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Diffstat (limited to 'gcc/ChangeLog.9')
| -rw-r--r-- | gcc/ChangeLog.9 | 9968 |
1 files changed, 9968 insertions, 0 deletions
diff --git a/gcc/ChangeLog.9 b/gcc/ChangeLog.9 new file mode 100644 index 0000000..9cd8cdf --- /dev/null +++ b/gcc/ChangeLog.9 @@ -0,0 +1,9968 @@ +Tue Feb 28 16:36:58 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/eabi.asm (__eabi): Correctly reload r30 in the case where + the GOT pointers have to be relocated. + + * rs6000/rs6000.md (floatsidf2, floatunssidf2): Add + TARGET_SOFT_FLOAT conditional dropped in the last change. + (movdf insns): Add -msoft-float varients that do not use 'f' register + constraints. + (movti): On PowerPC, don't clobber the MQ register, since it doesn't + exist. Add abort to default switch case. + (store_multiple, load_multiple): Test for TARGET_POWER instead + of !TARGET_POWERPC to determine whether the MQ register exists. + +Tue Feb 28 14:46:48 1995 Doug Evans <dje@cygnus.com> + + * configure (extra_headers): Renamed from header_files. + + * toplev.c (rest_of_compilation): Defer output of static inlines + even if not optimizing, they may never be referenced. + +Mon Feb 27 17:06:47 1995 Doug Evans <dje@cygnus.com> + + * cccp.c (do_include): Check for redundant file before opening in + relative path case. Don't call fstat unnecessarily. + +Mon Feb 27 11:20:29 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * mips.md (muldi3_internal): Change dmul to dmult. + +Mon Feb 27 02:30:54 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.c (hppa_expand_prologue): Don't save the PIC register into + the stack for functions which have no stack of their own. + +Mon Feb 27 00:43:32 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/gnu.h (ASM_SPEC): Macro removed. + +Sun Feb 26 20:21:52 1995 Doug Evans <dje@cygnus.com> + + * reload.c (find_reloads_address): Fix typo in reg+const case. + +Sat Feb 25 10:21:13 1995 Doug Evans <dje@cygnus.com> + + * gcc.c (print_search_dirs): New variable. + (build_search_list): New function. + (putenv_from_prefixes): Call it. + (option_map): New option --print-search-dirs. + (process_command): Handle it. + (main): Print installation directory and exec/startfile_prefixes if + --print-search-dirs given. + + * Makefile.in (Makefile): Delete config.run afterwards. + (distclean): Delete config.run. + +Sat Feb 25 08:36:40 1995 David Mosberger-Tang (davidm@cs.arizona.edu) + + * alpha.h (ASM_SPEC): Pass -pg to assembler. + (FUNCTION_PROFILER): Do nothing; the assembler does it for us. + +Sat Feb 25 08:24:27 1995 H.J. Lu (hjl@nynexst.com) + + * configure (native_prefix): New; lets some hosts put + files in /usr instead of /usr/local if no --prefix specified. + +Sat Feb 25 08:07:56 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (RTX_COSTS): Add cost of FFS. + +Sat Feb 25 06:52:22 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * mips.c (mips_fill_delay_slot): Fix typo in call to FP_REG_P. + + * cse.c (simplify_unary_operation): If operand mode is VOIDmode + for UNSIGNED_FLOAT and operand looks negative, can't simplify. + + * rs6000.c (low_32_bit_operand): New function. + * rs6000.h (PREDICATE_CODES): Add low_32_bit_operand. + * rs6000.md: Remove unneeded tests on HOST_BITS_PER_INT from + some extra conditions. + Use low_32_bit_operand for (plus:DI (zero_extend:DI ..) ..) cases. + +Sat Feb 25 00:49:29 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/xm-gnu.h (POSIX): Define this macro. + + * config/gnu.h (GNU_CPP_PREDEFINES): Add missing backslash. + +Fri Feb 24 19:17:29 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * configure (hppa1.?-hp-hpux9*): Use hpux9 configuration files. + * pa-hpux9.h, pa-ghpux9.h, pa1-hpux9.h, pa1-ghpux9.h: New + configuration files. + +Fri Feb 24 15:55:33 1995 Jim Wilson <wilson@cygnus.com> + + * reorg.c (relax_delay_slots): When searching for next CODE_LABEL, + use next_real_insn not next_active_insn. + + * stdarg.h, va-*.h, varargs.h (va_end): Expand to a void expression + instead of nothing. + + * sh.h (PACKSTRUCT_BIT, TARGET_PACKSTRUCT): Change to PADSTRUCT. + Add comment saying that the option is not useful. + (TARGET_SWITCHES): Change -mpackstruct option to -mpadstruct. + (STRUCTURE_SIZE_BOUNDARY): Change PACKSTRUCT to PADSTRUCT changing + default value from 32 to 8. + + * dwarfout.c (PUSHSECTION_FORMAT): Add a leading tab. + + * expr.c (expand_expr, case COMPONENT_REF): Don't fetch unaligned + field if we only want its address. + + * i960.c (fp_literal_one, fp_literal_zero): Don't accept VOIDmode. + (i960_output_ldconst): In DFmode code, delete code to handle FP_REG_P + target. In DFmode and SFmode code, delete test for HOST_FLOAT_FORMAT + == TARGET_FLOAT_FORMAT. + * i960.h (REAL_ARITHMETIC): Define. + (LEGITIMATE_CONSTANT_P): Pass argument mode not VOIDmode to fp_literal. + + * i960.h (CC1_SPEC): Don't output implicit -gstabs or -gcoff option + if user gave an explicit one. + * vx960-coff.h (CC1_SPEC): Likewise. + + * dbxout.c (GDB_INV_REF_REGPARM_STABS_LETTER): New macro. + (dbxout_parms): For gdb, output use GDB_INV_REF_REGPARM_STABS_LETTER + for parameters passed by invisible reference in registers. + + * mips.c (mips_secondary_reload_class): Also handle SUBREGs. + * mips.md (madsi): Don't use '+' constraint in a clobber. + (madsi_highpart, umadsi_highpart): Delete. + + * dbxout.c (dbxout_parms): For parameters passed in memory, delete + obsolete code to handle parameters converted and stored back to + the stack slot where they were passed in. + (dbxout_reg_parms): Delete obsolete ifdefed out code. Combine + redundant PARM_PASSED_IN_MEMORY tests. For case where parameter + lives in memory, output stab if it doesn't live where it was passed. + + * sh.c: Correct typos and formatting problems. + (add_constant, current_function_pretend_args_size, + flag_traditional, table_lab): Delete unnecessary declarations. + (sh_cpu): Change type from attr_cpu to processor_type. + (need_slot, output_shift, lshiftrt_insns, howshift, + pop_operand): Delete. + (print_operand, output_branch): Delete calls to need_slot. + (synth_constant): Comment that it doesn't work. + (output_movedouble): Handle PRE_DEC dest not POST_INC dest. + (output_options): Don't use flag_traditional. + (shift_insns): Correct numbers to optimal sequences. + (shift_amounts): New table. + (shift_insns_rtx): New function. + (shiftinsns): Combine LSHIFTRT and ASHIFT cases. + (shiftcosts): Return true costs of shifts instead of estimate of 1. + (gen_ashift): Handle negative shift amounts. Call gen_lshrsi3_m + for single bit LSHIFTRT, and gen_lshrisi3_k for multiple bit shifts. + (gen_shifty_op): Handle negative shift amounts at top. Generate + optimal sequences for ASHIFT and LSHIFTRT. + (find_barrier): Correct pattern for matching mova instructions. + (general_movsrc_operand): Delete redundant test for (MEM LABEL_REF). + Don't reject POST_INC address for size > 4. + (general_movdst_operand): Don't reject PRE_DEC address for size > 4. + * sh.h: Correct typos and formatting problems. + (MODE_DISP_OK_[12]): Delete. + (GO_IF_LEGITIMATE_INDEX): Delete uses of MODE_DISP_OK_[12]. + (RTX_COSTS): Add LSHIFTRT. + (table_lab): Delete declaration. + (enum processor_type): New enum. + (sh_cpu_attr): New macro. + (sh_cpu): Change type to enum processor_type to avoid incomplete + enum type. + * sh.md: Correct typos and formatting problems. + (cpu): Use sh_cpu_attr not sh_cpu. + (adddi3, subdi3, udivsi3-1, divsi3-1, mulsi3_call-1, ashrsi2_16, + ashrsi2_31, dect, casesi_worker): Use arith_reg_operand not + register_operand. + (ashlsi3_n, lshrsi3_n): Enable pattern. Set length correctly. + Use '#' to output it. + (ashlsi3_n+1, lshrsi3_n+1): New patterns to split shifts. + (ashlsi3, lshrsi3): Use shiftby_operand instead of gen_shifty_op. + (lshlsi3_m): New pattern for single bit shifts. + (lshlsi3_k): Only handle multiple bit shifts. + (negc): Use IOR not PLUS to set carry bit. + (push+2, pop+2, movsi_pi, movdi-2, movdf_k-1, movsf_i-1): Delete. + (movsi_i, movqi_i, movhi_i): Delete redundant < and > constraints. + (movsf_i): Delete incorrect < and > constraints. + +Fri Feb 24 13:07:55 1995 Stephen L Moshier <moshier@world.std.com> + + * i386/i386.md (sinxf2, cosxf2): Define. + +Thu Feb 23 14:14:20 1995 Mike Stump <mrs@cygnus.com> + + * rs6000.h/rs6000.h (RETURN_ADDR_RTX): Add definition to support + __builtin_return_address and __builtin_frame_address on the + rs6000. This is necessary to support exception handling in g++ on + the rs6000. + +Thu Feb 23 15:23:26 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/rs6000.h (TARGET_SWITCHES): All -mpower switches set + -mmultiple by default. Rename -mno-fp-regs to -msoft-float and + -mfp-regs to -mhard-float. + (TARGET_NO_FPR): Rename all occurances of macro to be either + TARGET_HARD_FLOAT or TARGET_SOFT_FLOAT. + (FUNCTION_VALUE): If -msoft-float, floating point gets returned in + register 3. + (LIBCALL_VALUE): Ditto. + (USE_FP_FOR_ARG_P): Don't use floating point registers if + -msoft-float. + (MOVE_MAX): Use TARGET_MUTIPLE instead of TARGET_POWER to decide + to move 16 bytes at a time. + (GO_IF_LEGITIMATE_ADDRESS): Don't allow index + base register + addresses for DF's if -msoft-float. + + * rs6000/rs6000.c (POWER_MASKS): Or in MASK_MULTIPLE. + (processor_target_table): Set MASK_MULTIPLE for Power CPUs and + don't set it for PowerPC CPUs. + (output_prolog): If -mrelocatable and a GOT pool is used, mark the link + register as being live. Load the GOT address via a bl instruction. + (output_toc): If V.4 semantics, make the TOC label be the difference + from the start of the TOC section, rather a label the assembler has to + recognize as being an offset. + + * rs6000/rs6000.md (all floating point ops): For all operations, + check if floating point is allowed. + (movti): Use TARGET_MULTIPLE to decide whether to expand movti + instead of TARGET_POWER. + + * rs6000/sysv4.h (SUBTARGET_SWITCHES): Move here from eabi.h, so the + various macro overrides don't have to be recoded for eabi as well + as System V.4. Add -mstrict-align to set STRICT_ALIGNMENT to 1. + Add -mrelocatable to specify that that the data/text sections may + be copied elsewhere, but not true V.4 style PIC. + (TOC_SECTION_FUNCTION): Handle TARGET_RELOCATABLE. + (TOC_SECTION_ASM_OP): Put quotes around ".got". + (MINIMAL_TOC_SECTION_ASM_OP): Put quotes around ".got1". + + * rs6000/eabi.h (SUBTARGET_SWITCHES): Move to rs6000/sysv4.h. + (MINIMAL_TOC_SECTION_ASM_OP): Use ".got2" section if + -mrelocatable. + + * rs6000/eabi.asm: New file to load up register 2 or relocate the .got2 + addresses. Called from main. + + * rs6000/t-rs6000: Build two libgcc.a's, one for normal use, and one + used when compiling with -msoft-float. + + * rs6000/t-eabi: New file, build two libgcc.a's, one for normal use, + and one used when compiling with -msoft-float. Add support for eabi + module to relocate the .GOT2 section to support -mmultiple. + + * configure (powerpc-*-eabi*): Use t-eabi, not t-rs6000. + +Thu Feb 23 06:58:46 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (ld): Add missing backslash to make continuation line. + + * i386/winnt.c (gen_stdcall_suffix): Deleted. + * winnt/winnt.h (MODIFY_ASSEMBLER_NAME): Deleted. + (VALID_MACHINE_DECL_ATTRIBUTES): Deleted. + * varasm.c (make_decl_rtl): Remove reference to MODIFY_ASSEMBLER_NAME. + + * alpha.h (RTX_COSTS): Update costs for FP operations. + +Thu Feb 23 00:13:05 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * c-typeck.c (build_binary_op): Warn if, in a comparison, a signed + operand that might be negative is converted to unsigned. + +Wed Feb 22 21:32:48 1995 Peter Schauer (Peter.Schauer@regent.e-technik.tu-muenchen.de) + + * config/svr4.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): New macro. + +Wed Feb 22 20:29:31 1995 J.T. Conklin <jtc@netbsd.org> + + * configure (*-*-netbsd*): Set tmake_file to t-libc-ok. + + * config/xm-netbsd.h, i386/xm-netbsd.h, m68k/xm-netbsd.h: New files. + * sparc/xm-netbsd.h: New file. + * ns32k/xm-netbsd.h: Changed to use config/xm-netbsd.h and + ns32k/xm-ns32k.h. + * configure (i386-*-netbsd*): Use i386/xm-netbsd.h. + (m68k-*-netbsd*): Use m68k/xm-netbsd.h. + (sparc-*-netbsd*): Use sparc/xm-netbsd.h. + + * cppp.c, collect2.c: Removed __NetBSD__ from conditional. + * collect2.c: Declare strerror if HAVE_STRERROR is defined; + otherwise declare sys_errlist and sys_nerr. + +Wed Feb 22 19:07:08 1995 Niklas Hallqvist (niklas@appli.se) + + * Makefile.in (libgcc1.a): Run ranlib. + +Wed Feb 22 18:46:50 1995 Yury Shevchuk (sizif@botik.yaroslavl.su) + + * explow.c (memory_address): Add missing "else". + +Wed Feb 22 15:29:58 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c (libselect): New function for passing to scandir. + (libcompare): Ditto. + (locatelib): Use scandir to look for libraries with matching version + numbers. + +Wed Feb 22 18:27:14 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (enum sharp_token_type): New type. + (stringify, raw_before, raw_after): Use this type instead of char. + (collect_expansion, dump_single_macro): Keep track of white space + after # and around ## tokens, since the C Standard requires a + diagnostic if the white space doesn't match during a redefinition. + (sharp_token, sharp_sharp_token): Labels renamed from hash_token and + hash_hash_token for naming consistency. + +Wed Feb 22 17:37:12 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (SWITCH_TAKES_ARG): Add `x'. + (process_command): -Wl, -Xlinker, and -lm values always go to + linker even if -x was specified. + +Wed Feb 22 09:33:36 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * fold-const.c (fold): Support folding CLEANUP_POINT_EXPRs into + arithmetic expressions. + +Wed Feb 22 08:40:30 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (print_operand, case 'H', 'S'): Delete unused. + + * rs6000.md (ffssi2): Use gpc_reg_operand predicate. + (Some maskir patterns): Likewise. + (ffsdi2): Likewise. + + * rs6000.md (movsfcc, movdfcc): New standard patterns. + (fselsfsf4, fseldfsf4, fseldfdf4, fselsfdf4): Name and create + variants of existing anonymous patterns for movsfcc and movdfcc. + +Wed Feb 22 08:10:36 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * final.c (output_asm_name): New function, using code taken + from output_asm_insn. + (output_asm_insn): If flag_print_asm_name, print the comment + after the first assembler instruction even in multi-instruction + templates. + +Wed Feb 22 07:04:25 1995 Ian Lance Taylor (ian@cygnus.com) + + * real.c (REAL_WORDS_BIG_ENDIAN): New macro. Define as either + FLOAT_WORDS_BIG_ENDIAN or HOST_FLOAT_WORDS_BIG_ENDIAN. Use it + instead of FLOAT_WORDS_BIG_ENDIAN. + +Wed Feb 22 07:03:39 1995 Stephen L Moshier (moshier@world.std.com) + + * final.c (split_double): Handle CONST_INT that holds both words. + * i386.c (output_move_double): Let split_double extract any + constant in op 1; take size from op 0. + + * real.c (m16m, edivm, emulm): Change `short' to `EMUSHORT', and `long' + to `EMULONG'. + Clean up comments. + +Wed Feb 22 00:52:40 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.h (ASM_DECLARE_FUNCTION_NAME): Handle invisible reference + arguments passed in registers. + +Tue Feb 21 19:03:09 1995 Douglas Rupp (drupp@cs.washington.edu) + + * Makefile.in ($exeext, $objext, $oldobjext): New macros. + * Makefile.in: Copy config.status to config.run and then execute. + * configure, Makefile.in: Try a "cp" if "ln" fails. + * objc/Makefile: Added {} around file variable. + + * c-parse.in: New rules to allow attributes in a prefix position. + * c-tree.h (decl_attributes): Added argument. + * c-decl.c (grokdeclarator): Added code to support machine attributes. + * c-common.c (decl_attributes): Add third argument prefix_attributes. + (valid_machine_attribute): Deleted; moved to tree.c. + * tree.h (union tree_decl): New field MACHINE_ATTRIBUTES. + (DECL_MACHINE_ATTRIBUTES): New macro. + * c-decl.c (duplicate_decls): Pass DECL_MACHINE_ATTRIBUTES to + descendent typedef; make duplicate typedefs that are identical + generate a warning if they are both in system header files. + (redeclaration_error_message): Make duplicate typedefs that + are identical not an error if they are both in system header files. + * print-tree.c (print_node{,_brief}): Print machine attributes. + + * calls.c (emit_call_1): Added function declaration node argument + passed to RETURN_POPS_ARGS; also effects calls to emit_call_1. + * function.c (assign_parms): Added arg to RETURN_POPS_ARGS. + * 1750a.h, a29k.h, alpha.h, arm.h, clipper.h, convex.h: Likewise. + * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h, i370/mvs.h: Likewise. + * i386.h, i386/isc.h, i386/next.h, i386/sco.h: Likewise. + * i386/scodbx.h, i860.h, i960.h, m68k.h, m88k.h, mips.h: Likewise. + * ns32k.h, pa.h, pdp11.h, pyr.h, romp.h, rs6000.h, sh.h: Likewise. + * sparc.h, spur.h, tahoe.h, vax.h, we32k.h: Likewise. + + * cccp.c (main): Don't set "Include" environment variable for NT. + * protoize.c: Added #ifdef's WINNT. + * toplev.c (get_run_time): Return an approximate value for NT. + * gbl-ctors.h, libgcc2.c (atexit): Prototype now works with NT. + * gcc.c (fix_argv): Rewrite. + + * i386/winnt.c: New file + * winnt/ld.c (expand_lib): Look for both libfoo.a and foo.lib. + Modified to support linking with Windows NT graphics libraries. + * i386/winnt.h, x-winnt: Support NT Graphics programs; also bug fixes. + * winnt/winnt.h (CPP_SPEC): Accept c++ style comments. + * winnt/xm-winnt.h: Reflect features/functions available in NT. + + * fixinc.winnt: New file. + * configure (i[345]86-*-winnt): Add fixincludes and extra_objs. + * config-nt.bat: Deleted. + * configure.bat: Take arg specifying msdos or winnt batch file config. + * i386/config-nt.{bat,sed}: Updated to Windows NT 3.5. + + * ginclude/stdarg.h, ginclude/varasgs.h: Test _VA_LIST_DEFINED macro. + * ginclude/stddef.h: Test _SIZE_T_DEFINED and _WCHAR_T_DEFINED. + * ginclude/varargs.h: Modifed to work with Windows NT. Needed a + _VA_LIST_DEFINED macro. + + * tree.c: (chain_member_value, decl_attribute_variant): New functions. + (valid_machine_attribute): Moved here from c-common.c. + + * varasm.c (make_decl_rtl): Call MODIFY_ASSEMBLER_NAME if defined. + +Tue Feb 21 12:40:05 1995 Jeffrey A. Law <law@snake.cs.utah.edu> + + * local-alloc.c (block_alloc): Stop looping over the input + operands once we find an input/output register pair which can + be combined into a single qty. + + * integrate.c (finish_inline): Don't set DECL_INLINE. + +Tue Feb 21 10:19:51 1995 Michael Meissner <meissner@cygnus.com> + + * toplev.c (lang_options): Move fortran switches here, fixing bad + patch. + +Tue Feb 21 07:30:11 1995 Stephen L Moshier (moshier@world.std.com) + + * rs6000.c (output_toc): Use REAL_VALUE_* macros. + * rs6000.h (REAL_ARITHMETIC): Define. + +Tue Feb 21 06:48:41 1995 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * stmt.c (expand_value_return): Make function static. + +Tue Feb 21 06:42:33 1995 Paul Eggert <eggert@twinsun.com> + + Add support for ISO Normative Addendum 1 to the C Standard. + * ginclude/iso646.h: New file. + * Makefile.in (USER_H): Add iso646.h. + * c-lex.c (yylex): Add support for <: :> <% %> digraphs. + * cccp.c (rescan): Add support for %: and %:%: digraphs. + (collect_expansion, skip_if_group, dump_single_macro): Likewise. + (union hashval): Remove ival member; it doesn't suffice for `199409L'. + (special_symbol): Use cpval instead of ival for T_CONST macros. + (install): Remove ivalue argument, since string value now suffices. + All callers changed. + (initialize_builtins): Switch from int to string values for T_CONST. + If not traditional, initialize __STDC_VERSION__ to 199409L. + (STDC_VALUE): Remove no-longer-used configuration macro. + +Tue Feb 21 06:16:37 1995 Franz Korntner (fkorntne@bazis.nl) + + * gcc.c (read_specs): Use length read when inserting zero. + + * c-lex.c (yylex): For float, build constant in long double. + +Tue Feb 21 05:57:42 1995 Craig Burley (burley@gnu.ai.mit.edu) + + * toplev.c (lang_options): Add options for Fortran. + + * gcc.c (default_compilers): Add entries for .f and .F. + +Tue Feb 21 05:37:21 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (default_compilers): Remove rule for ".ada". + Pass .ads or .adb suffix to -dumpbase, depending on input filename. + + * toplev.c (compile_file): Initialize input_file_stack before + calling lang_init, not after. + * c-lex.c (check_newline): Give warning if unrecognized data on #line. + (yylex): Give error for unterminated string constant. + +Mon Feb 20 14:46:56 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * varasm.c (output_constant): Strip NOP_EXPRs for SET_TYPE too, + by using AGGREGATE_TYPE_P macro. + +Mon Feb 20 14:39:57 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * config/svr4.h (ASM_OUTPUT_SOURCE_LINE): Use assemble_name. + +Mon Feb 20 15:26:05 1995 Doug Evans <dje@cygnus.com> + + * config.sub (sun4sol2): Alias for sparc-sun-solaris2. + +Sat Feb 18 16:15:33 1995 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__unwind_function): New function to support stack + unwinding on rs6000 for g++ exception handling. + +Sat Feb 18 13:55:02 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * tree.h (get_set_constructor_bytes): Fix prototype. + * varasm.c (output_constructor): Fix typo byte_size -> size. + +Sat Feb 18 12:36:12 1995 Doug Evans <dje@cygnus.com> + + Lynx patches from various Cygnus people. + * config.sub: Recognize lynx* as lynxos. + * configure (i386-lynx): Set xm_file to i386/xm-lynx.h + Set tmake_file to i386/t-i386bare. + (m68k-lynx): Set xm_file to m68k/xm-lynx.h. + Set tmake_file to m68k/t-lynx. + (rs6000-lynxos*): New target. + (sparc-lynxos*): Set xm_file to sparc/xm-lynx.h. + Set tmake_file to sparc/t-sunos41. + * config/lynx.h (LIB_SPEC, STARTFILE_SPEC): Update to LynxOS 2.2.2. + (FUNCTION_PROFILE): Undef. + * config/xm-lynx.h (HOST_BITS_PER_CHAR): Delete. + (HOST_BITS_PER_{SHORT,INT,LONG,LONGLONG}): Likewise. + (mktemp): Provide our own, lynx's definition isn't standard. + * i386/t-i386bare (LIBGCC1): Define to empty instead of libgcc1.null. + (CROSS_LIBGCC1): Likewise. + * i386/xm-lynx.h: New file. + * m68k/lynx.h (FUNCTION_VALUE): Redefine. + (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, NEEDS_UNTYPED_CALL): Likewise. + * m68k/t-lynx: New file. + * m68k/xm-lynx.h: New file. + * rs6000/lynx.h: New file. + * rs6000/rs6000.h (SUBTARGET_OVERRIDE_OPTIONS): Define. + (OVERRIDE_OPTIONS): Call it. + * rs6000/x-lynx: New file. + * rs6000/xm-lynx.h: New file. + * sparc/xm-lynx.h: New file. + +Thu Feb 16 17:02:51 1995 Ian Lance Taylor <ian@cygnus.com> + + * config/mips/mips.h (enum processor_type): Add PROCESSOR_R4650. + * config/mips/mips.c (override_options): Use PROCESSOR_R4650 for + the 4650, not PROCESSOR_R4600. Check for it when doublechecking + mips_isa level. + * config/mips/mips.md: Add r4650 to cpu attr. Update functional + units for r4650. + (mulsi3): If TARGET_MAD, generate mulsi3_r4650. + (mulsi3_r4650): New instruction, mul directly to register file, + supported on r4650. + +Thu Feb 16 11:44:51 1995 Michael Meissner <meissner@cygnus.com> + + * rs6000/eabi.h (SUBTARGET_SWITCHES): Add support for + -mstrict-align to control whether STRICT_ALIGNMENT is 1 or 0. + (STRICT_ALIGNMENT): Redefine, to be 1 if -mstrict-align used. + +Wed Feb 15 13:03:38 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc2.c: Repair botch in application of patch. + +Tue Feb 14 16:00:52 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * tree.c (get_set_constructor_bytes): New function. Replaces ... + (get_set_constructor_words): ... removed old function. + * tree.h: get_set_constructor_words -> get_set_constructor_bytes. + * expr.c (store_constructor): Don't use get_set_constructor_words. + * varasm.c (const_hash): Add support for SET_TYPE constructors. + (record_constant_1): Likewise. + (copy_constant): Likewise. + (output_constant): Likewise. (Also SET_TYPE INTEGER_CSTs.) + +Tue Feb 14 08:05:07 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (stabilize_reference_1): No longer static. + * tree.h (stabilize_reference_1): Add declaration. + +Mon Feb 13 19:37:15 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/mips/gnu.h: Rewritten to use ELF object format. + * config/gnu.h (GNU_CPP_PREDEFINES): New macro. + * config/i386/gnu.h (CPP_PREDEFINES): Use GNU_CPP_PREDEFINES macro. + * config/i386/gnuelf.h: Likewise. + +Mon Feb 13 14:06:04 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * libgcc2.c (__default_new_handler): Don't call write if + inhibit_libc is defined. + (__pure_virtual): Ditto. + +Mon Feb 13 16:42:38 1995 Doug Evans <dje@cygnus.com> + + * a29k/a29k-udi.h (DBX_DEBUGGING_INFO): Define. + (PREFERRED_DEBUGGING_TYPE): Define. + + * expmed.c (store_split_bit_field): If value is VOIDmode, + pass word_mode to force_reg. + + * varasm.c (function_section): New function. + (assemble_start_function): Call it. + * output.h (function_section): Declare it. + * final.c (final_scan_insn): Call function_section instead of + text_section. + * dwarfout.c (dwarfout_begin_block): Likewise. + (dwarfout_end_block): Likewise. + (dwarfout_label): Likewise. + (dwarfout_begin_function): Likewise. + (dwarfout_end_function): Likewise. + (dwarfout_line): Likewise. + + * flow.c (find_basic_blocks): Revise calculation of when to + make another pass. + + * libgcc2.c (exit): Don't call __do_global_dtors if + INIT_SECTION_ASM_OP and OBJECT_FORMAT_ELF. + + * Makefile.in (libgcc1.S): New target. + +Mon Feb 13 12:45:11 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * tree.c (permanent_allocation): Pop function_maybepermanent_obstack, + not hardwired &maybepermanent_obstack. + +Mon Feb 13 12:10:31 1995 J.T. Conklin <jtc@netbsd.org> + + * config/netbsd.h: Changed so that macro definitions used when gcc + is integrated into the NetBSD source tree are not defined unless + NETBSD_NATIVE is defined too. + + * configure (*-netbsd-*): Rename netbsd config files so that they don't + have the machine type in them. + * i386/netbsd.h: Renamed from i386/netbsd-i386.h. + * m68k/netbsd.h: Renamed from m68k/netbsd-m68k.h. + * ns32k/netbsd.h: Renamed from ns32k/netbsd32k.h. + +Mon Feb 13 15:05:09 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c (main): Remember all the .o files specified on the + command line, and scan them directly if COLLECT_SCAN_OBJECTS. + * rs6000/rs6000.h (COLLECT_SCAN_OBJECTS): Define. + + * stmt.c (warn_if_unused_value): Don't warn about dereferenced + references. + +Mon Feb 13 14:00:51 1995 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * m68k.h (RTX_COSTS): Fix typo from last change. + + * reload1.c (last_spill_reg): Move definition to top of file. + Don't initialize here. + (reload): Intialize here to -1. + +Mon Feb 13 09:29:49 1995 Paul Eggert <eggert@twinsun.com> + + * fixinc.svr4 (longlong_t, u_longlong_t): + Work around bug in Solaris 2.4 <sys/types.h>. + +Mon Feb 13 08:31:18 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h, powerpc.h (CPP_SPEC): Define _POSIX_SOURCE if -posix. + + * rs6000.md (extendsfdf2): Undo 30 Nov 94 change. Use float_extend + instead of SUBREG and restore fmr instruction for differing FPRs. + +Mon Feb 13 05:25:09 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * convert.c (convert_to_{pointer,real,integer,complex}): + Handle references. + +Mon Feb 13 08:14:10 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (ALIGN): Remove unused token. + + * loop.c (mark_loop_jump): Remove bogus assignments to LABEL_ + fields in default case. + +Mon Feb 13 07:55:30 1995 Torbjorn Granlund (tege@tiny.cygnus.com) + + * a29k.h (TARGET_MULTM): New #define. + (TARGET_SWITCHES): Recognize "-mno-multm". + * a29k.md (smulsi3_highpart, umulsi3_highpart, mulsidi3, umulsidi3): + Make these conditional on TARGET_MULTM. + + * a29k.md (multm matcher): Delete. + (multmu matcher): Delete. + (mulsidi3 DEFINE_SPLIT): Generate RTL for smulsi3_highpart instead of + for deleted pattern. Fix typo in preparation code. + (umulsidi3 DEFINE_SPLIT): Analogous change. + +Mon Feb 13 07:09:02 1995 Peter Flass (FLASS@LBDRSCS.BITNET) + + * i370/mvs.h (ASM_OUTPUT_ASCII): Don't duplicate first char. + +Mon Feb 13 06:51:07 1995 Samuel A. Figueroa (figueroa@CS.NYU.EDU) + + * i386/os2.h (OBJECT_SUFFIX): New macro. + (LIB_SPEC, STARTFILE_SPEC): Adjust to include better set of libs. + + * i386/xm-os2.h (DIR_SEPARATOR): Define if not already. + (strcasecmp): New definition. + + * toplev.c (main): Look at DIR_SEPARATOR for finding last component. + * cccp.c (do_include, is_system_include, open_include_file): + Handle DIR_SEPARATOR. + +Sun Feb 12 20:20:28 1995 Brendan Kehoe (brendan@lisa.cygnus.com) + + * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Check to make + sure DECL is non-null before trying to reference it. + * config/mips/elf64.h (ASM_OUTPUT_SECTION_NAME): Likewise. + +Sun Feb 12 19:55:45 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * calls.c (expand_call): Add missing paren in last change. + +Sat Feb 11 18:09:27 1995 Jim Wilson <wilson@cygnus.com> + + * libgcc2.c (L_fixunsxfsi, L_fixunsdfsi, L_fixunssfsi): Undef + normal types before including limits.h. + + * calls.c (expand_call): When setting n_named_args, depend on new + macro STRICT_ARGUMENT_NAMING. + + * expr.c (expand_builtin, case BUILT_IN_NEXT_ARG): Don't warn when + no argument if this is a varargs routine. + +Sat Feb 11 16:08:13 1995 Samuel A. Figueroa (figueroa@CS.NYU.EDU) + + * gcc.c (specs): Use %O instead of "o" for object file suffix. + (do_spec_1, case 'O'): New option. + +Sat Feb 11 14:58:19 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k/mot3300.h (RETURN_IN_MEMORY): Fix error in last change. + +Sat Feb 11 13:09:28 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cexp.y (%union): Delete VOIDVAL and SVAL; unused. + + * c-decl.c (grokdeclarator): Use NAME, not IDENTIFIER_POINTER + of DECLARATOR for error messages; DECLARATOR might be null. + + * expmed.c (expand_divmod): Always call expand_twoval_binop with + psuedos as targets. + +Fri Feb 10 14:55:05 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * caller-save.c: Replace MAX_UNITS_PER_WORD with MIN_UNITS_PER_WORD. + * h8300.h, mips.h, rs6000.h, sparc.h: Likewise. + + * alpha.c (direct_return): Can't if have outgoing args. + + * expr.c (store_constructor, ARRAY_TYPE): Use code for + non-integer INDEX for non-integer ELTTYPE size. + Allow INDEX to be zero in code and divide size by BITS_PER_UNIT. + + * fold-const.c (fold): Don't modify tree with newly-allocated + nodes; instead make new tree in those cases. + +Wed Feb 8 15:13:49 1995 Doug Evans <dje@cygnus.com> + + * sparc/sparc.c (v9_regcmp_p): New function. + (v9_regcmp_op): Call it. + * sparc/sparc.md (movsicc): New pattern. + (movdicc, movsfcc, movdfcc, movtfcc): Likewise. + + * sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flush + instead of knowing what pattern looks like. + + * sparc/sparc.md (nonlocal_goto): Use Pmode instead of SImode. + +Wed Feb 8 10:05:11 1995 David J. MacKenzie <djm@geech.gnu.ai.mit.edu> + + * config.sub: Add a blank in the #! line for 4.2BSD, Dynix, etc. + +Wed Feb 8 02:52:21 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.md (call, call_value): Emit save of the PIC register + with "emit_insn" before emitting the call insn itself. + +Tue Feb 7 15:19:40 1995 Jim Wilson <wilson@cygnus.com> + + * sh.c (prepare_scc_operands, from_compare): Force constant 0 into + register for unsigned comparisons. + + * sh.c: Correct errors in comments. + (calc_live_regs, expand_acall): Delete TARGET_SMALLCALL support. + (need_slot): Add comment. Delete test of INSN_ANNULLED_BRANCH_P. + (print_operand_address): Delete '*', '^', '!' support. + (synth_constant): Call zero_extend* instead of and*. Call ashlsi3_k + instead of ashlsi3_n. + (prepare_scc_operands): Abort for NE case. + (output_move_double, output_far_jump, output_branch): Delete commented + out code. Don't output assembler comments. + (gen_ashift): Don't call addsi3. + (fixit): Delete redundant test for QImode constants. + (hi_const): Delete TARGET_SHORTADDR support. + (find_barrier): Don't put constant pool between mova and its label. + (add_function, seen_function, bsr_operand, mac_operand, + fake_shift): Delete. + (sh_expand_prologue, expand_acall): Delete TARGET_BSR support. + (general_movsrc_operand): Don't reject non-I CONST_INT. + * sh.h: Correct errors in comments. + (CONDITIONAL_REGISTER_USAGE): Delete TARGET_NOSAVE support. + (TARGET_MAC, TARGET_TRYR0, TARGET_NOSAVE, TARGET_SMALLCALL, + TARGET_PARANOID, TARGET_RETR2, TARGET_SHORTADDR, TARGET_BSR): Delete. + (TARGET_SWITCHES): Delete above options. + (OVERRIDE_OPTIONS): Delete TARGET_BSR support. + (FUNCTION_BOUNDARY): Use 32 bit alignment when not TARGET_SMALLCODE. + (FIRST_RET_REG): Delete TARGET_RETR2 support. + (MODE_DISP_OK_[21]): Delete TARGET_TRYR0 support. + (EXTRA_CONSTRAINT_U): Delete. + (CONST_COSTS): For logical operations, give L constants cost 1. + (PRINT_OPERAND_PUNCT_VALID_P): Delete '*', '^', '!'. + * sh.md: Correct errors in comments. Delete all assembler comments. + Delete commented out patterns. Delete all peepholes but two. + Delete all define_splits but one. Delete all `combiner' patterns. + (mpy): Correct multiply latencies. + (needs_delay_slot, hit_stack, interrupt_function, in_delay_slot, + define_delay): Correct and/or simplify all reorg related definitions. + (addsi3_real): Delete. + (addsi3): Use arith_operand for argument 1. + (mulhisi3): Use arith_reg_operand not mac_operand. + (and_ffff, and_ff): Delete. + (andsi3): Handle constant 255 specially. + (rot*): Correct and/or simplify all rotate patterns. + (ashlsi3_k): Delete clobber of T bit. Output add for 1 bit shift. + (ashlsi3_n, lshrsi3_n): Delete use of fake_shift. + (negc): Correct pattern by adding set of T bit. + (extend*): Delete 'u' and 'U' constraint cases. + (pop): Separate 'l' and 'x' constraint cases. + (movsi-1): Better code for move to T bit case. + (bsr, bsr_value, mac): Delete. + +Tue Feb 7 14:23:52 1995 Doug Evans <dje@cygnus.com> + + * sparc/sparc.md (*): Give names to all anonymous patterns. + +Mon Feb 6 23:41:09 1995 Stephen L Moshier <moshier@world.std.com> + + * sparc/sysv4.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE): Remove + tests for host == target format and endianness. + +Mon Feb 6 16:52:38 1995 Torbjorn Granlund (tege@tiny.cygnus.com) + + * i386.h (RTX_COSTS): Rewrite. + + * m68k/lb1sf68.asm (__udivsi3, __divsi3, __umodsi3, __modsi3): + Rewrite to actually work for more than a few small operands, + and to be reasonably small. + (__mulsi3): Eliminate usage of link register (i.e. a6). + (shift patterns): Delete. + (__umulsi3): Delete. + * t-m68kbare (LIB1ASMFUNCS): Remove _umulsi3. + * t-vxworks68: Likewise. + +Mon Feb 6 15:22:39 1995 Jim Wilson <wilson@cygnus.com> + + * ginclude/va-i960.h (va_start): Add __builtin_next_arg call. + + * sh/sh.c (sh_function_arg): Don't reject unaligned structures. + (sh_function_arg_partial_nregs): Likewise. + + * sparc/sparc.md (movsf-1, movdf-1, movtf-1): Use 'F' not 'E'. + + * sparc/sol2.h (STARTFILE_SPEC): Delete explicit /usr/ccs/lib/ + pathnames. + + * reload1.c (alter_reg): New variable stack_slot. Apply anti + BYTES_BIG_ENDIAN correction to stack slot address stored in + spill_stack_slot. + + * jump.c (jump_optimize): When searching for a LOOP_END note to move, + stop if we find a LOOP_BEG note first. + +Mon Feb 6 15:03:35 1995 Doug Evans <dje@cygnus.com> + + * i386/sysv3.h (DBX_DEBUGGING_INFO): Define. + (PREFERRED_DEBUGGING_TYPE): Define. + +Mon Feb 6 11:56:14 1995 Jeffrey A. Law <law@mole.gnu.ai.mit.edu> + + * pa.md: Replace "misc" attribute with "multi" in recentlyadded + soft-float code. + + * pa-osf.h (TARGET_DEFAULT): Protect definition. + +Mon Feb 6 11:52:25 1995 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: When changing <assert.h> to include <stdio.h> or + <stdlib.h>, make it include them only for C++. + +Sun Feb 5 21:39:41 1995 Torbjorn Granlund <tege@cygnus.com> + + * pa.c (globally): Use GEN_INT. + (emit_move_sequence): Use expand_inc instead of plus_constant + (generates less rtl). + * pa.md (globally): Use GEN_INT. + + * pa.h (PREDICATE_CODES): Fix many errors. Enable. + + * m68k.h (RTX_COSTS): Add special cases for a plain 68000. + + * expmed.c (mul_cost, div_cost): New variables. + (mul_widen_cost, mul_highpart_cost): New variables. + (init_expmed): Init new variables. + (expand_mult_highpart): New argument, MAX_COST. + Use new argument in several places. Simplify code that tries + widening multiply variants. + (expand_divmod): New variables MAX_COST, EXTRA_COST. + Initialize MAX_COST dependent on REM_FLAG. + Calculate and pass cost in all calls of expand_mult_highpart. + +Sat Feb 4 13:19:29 1995 Jim Wilson <wilson@cygnus.com> + + * mips/abi64.h, mips/cross64.h, mips/iris6.h: New files. + * mips/iris5.h (TARGET_DEFAULT): Add #ifndef/#endif around define. + * mips/mips.c (mips_isa_string): Add mips4 to comment. + (large_int): Delete code for handling 64 bit constants. + (mips_const_double_ok): For irix6, reject all floating point constants. + (mips_move_2words): Use dli not li for 64 bit constants. + Use dla not la for 64 bit addresses. + (output_block_move): Likewise. + (function_arg): Add support for 64bit ABI. + (override_options): Add support for mips4 and R8000. + (print_operand): Handle new modifiers 'B', 'b', 'T', 't'. + Make 'X' case work for 64 bit host. + (mips_output_filename): Use ASM_OUTPUT_FILENAME. + (mips_asm_file_start): Go to text section for 64bit ABI. + (compure_frame_size, save_restore_insns, function_prologue, + mips_expand_prologue, function_epilogue): Add support for 64 bit ABI. + (type_dependent_reg, mips_function_value): New functions. + * mips/mips.h (__PTR_TO_INT, __INT_TO_PTR): Delete. + (enum processor_type): Add R8000. + (mips_isa_string, CC1_SPEC): Add mips4 to comment. + (CONDITIONAL_REGISTER_USAGE): Use SUBTARGET_CONDITIONAL_REGISTER_USAGE. + (SUBTARGET_CONDITIONAL_REGISTER_USAGE): New macro. + (ASM_SPEC, LINK_SPEC, CPP_SPEC): Add mips4 support. + (MIPS_TEMP[12]_REGNUM): Change to avoid clobbering 64bit abi + parameter registers. + (SMALL_INT, SMALL_INT_UNSIGNED, CONST_OK_FOR_LETTER_P): Fix for 64 + bit host. + (ABI_64BIT): New macro. + (REG_PARM_STACK_SPACE): Use UNITS_PER_WORD not 4. + (GO_IF_LEGITIMATE_ADDRESS, CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT, + LEGITIMIZE_ADDRESS): Don't allow CONST addresses for Irix6. + (ASM_OUTPUT_FILENAME): New macro. + (ASM_OUTPUT_ADDR_DIFF_ELT): Add 64 bit ABI support. + * mips/mips.md (type attribute): Add fmadd. + (cpu attribute): Add r8000. + (umaddi+1, ..., umadddi+8): Add pattern for multiply accumulate. + (movdi): Legitimize addresses, just like movsi does. + (loadgp): New pattern for 64 bit ABI. + (shift patterns): Use INTVAL instead of XINT for constants. + (jump, tablejump_interal[12]): Add 64 bit ABI support. + (movsicc-8, ..., movsicc): Add patterns for conditional moves. + * mips/t-cross64, mips/t-iris6, mips/x-iris6, mips/xm-iris6.h: + New files. + * configure: Add irix6 and irix5cross64 configurations. + * ginclude/va-mips.h (*): Change __mips==3 to __mips>=3. + (sgidefs.h): Include if _MIPS_SIM is defined. + (va_start): Add support for 64 bit ABI. + +Sat Feb 4 10:31:37 1995 Doug Evans <dje@cygnus.com> + + * dbxout.c (dbxout_source_file): Don't switch to text section if + in function with section attribute. Print Ltext label to correct + file (important on mips). + +Fri Feb 3 14:43:23 1995 Michael Meissner (meissner@cygnus.com) + + * rs6000/rs6000.md (call, call_value): If building for System V.4 + or eABI, function pointers are just pointers, not pointers to a + three word area. + +Thu Feb 2 15:50:26 1995 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: When fixing bool in <curses.h>, permit whitespace + before the semicolon. Needed on AIX 3.2.5. + +Thu Feb 2 12:06:12 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (smax:SF define_split): Change match_operand typo to + match_dup. + (smin:SF define_split): Likewise. + (smax:DF define_split): Likewise. + (smin:DF define_split): Likewise. + +Wed Feb 1 16:50:18 1995 Michael Meissner (meissner@cygnus.com) + + * config.sub: Add support for powerpc-*-{elf,svr4,eabi}. + * configure: Ditto. + + * rs6000/xm-sysv4.h: New file, to support building GCC for a + System V.4 PowerPC system. + * rs6000/sysv4.h: Ditto. + * rs6000/x-sysv4: Ditto. + + * rs6000/eabi.h: New file, to support building GCC for an embedded + PowerPC system. + + * rs6000/rs6000.h (TARGET_SWITCHES): Add -mmultiple, -mno-multiple + to control emitting load/store multiple instructions. On the + power, this is on by default, and on the powerpc it is off. + (SUBTARGET_SWITCHES): New macro, which defaults to nothing to + allow a subtarget to add new switches. + (SAVE_FP_*, RESTORE_FP_*): New macros that give the prefix and + suffix to use for the functions that save and restore the floating + point registers. + + * rs6000/rs6000.c (output_prolog): Use TARGET_MULTIPLE instead of + TARGET_POWER to control whether to emitt load/store multiple + instructions. Use the SAVE_FP_*/RESTORE_FP_* macros instead of + using the hardwired AIX names for the functions to save and + restore the floating point registers. + (output_epilog): Likewise. + (print_operand_address): Do not prepend a '.' for %z when using + the ELF object file format. + (svr4_traceback): New function to emit the word before the + procedure prologue that System V.4 expects to do tracebacks. + (output_prolog): Call svr4_traceback under ELF systems. + (output_epilog): Omit AIX style traceback tables for ELF systems. + (output_function_profiler): Abort for now in the ELF case. + + * rs6000/rs6000.md (load_multiple, store_multiple): Test against + TARGET_MULTIPLE instead of TARGET_POWER. + +Tue Jan 31 19:27:43 1995 Torbjorn Granlund <tege@cygnus.com> + + * pa.h (REAL_ARITHMETIC): Define. + (ASM_OUTPUT_DOUBLE): Rewrite. + (ASM_OUTPUT_FLOAT): Rewrite. + * pa.md (SF and DF move): Use constraint 'E' instead of 'F'. + * pa.c (singlemove_string): Make case with SFmode CONST_DOUBLE abort. + (print_operand): #ifdef out CONST_DOUBLE cases. + +Tue Jan 31 19:27:43 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * pa/pa.h (TARGET_SOFT_FLOAT): New macro. + (TARGET_SWITCHES, CPP_SPEC, CONDITIONAL_REGISTER_USAGE, FUNCTION_VALUE, + LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P, + FUNCTION_ARG, ASM_DECLARE_FUNCTION_NAME, GO_IF_LEGITIMATE_ADDRESS, + RTX_COSTS): Use TARGET_SOFT_FLOAT. + * pa/pa.md (*sf*, *df*, etc): Make all floating point patterns depend + on ! TARGET_SOFT_FLOAT. + (movsi, movdi, movsf, movdf): Add patterns for TARGET_SOFT_FLOAT. + +Tue Jan 31 15:53:04 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (lang_options): Add -f{no-,}check-new. + +Tue Jan 31 13:55:37 1995 Doug Evans <dje@cygnus.com> + + * mips/mips.h (ASM_DECLARE_FUNCTION_NAME): Ensure section is .text if + no section attribute. + * mips/elf64.h (ASM_OUTPUT_SECTION_NAME): Use asm_out_text_file for + functions. + +Tue Jan 31 13:26:42 1995 Ian Lance Taylor <ian@cygnus.com> + + * libgcc2.c: Include <limits.h>, not "glimits.h". + +Mon Jan 30 16:34:24 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * c-common.c (type_for_size): Try to match on int before other + types (which might be the same size). + (type_for_mode): Ditto. + +Sat Jan 28 16:28:15 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): #undef before + defining. + +Sat Jan 28 13:54:23 1995 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.md (call, call_value): Always save the PIC register before + a call. + +Sat Jan 28 07:31:26 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (c_expand_return): Refine check for returning pointer + to local variable to allow subtracting a pointer from it. + + * calls.c (expand_call): When emitting queue for each arg, + call protect_from_queue; put in initial_value so EXPR_LIST in + is_const case won't have QUEUED. + +Sat Jan 28 04:36:46 1995 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.md (call_internal_reg): Use an even faster sequence for + TARGET_FAST_INDIRECT_CALLS. + (call_value_internal_reg): Likewise. + +Fri Jan 27 21:28:51 1995 Ronald F. Guilmette (rfg@segfault.us.com) + + * config.sub (unixware, svr4): Treat as synonyms for sysv4. + +Fri Jan 27 19:36:13 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/i386/gnuelf.h: New file. + +Fri Jan 27 16:55:05 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc1.c (perform_lshlsi3, __lshlsi3): Deleted. + * libgcc2.c (__lshldi3): Deleted. + * Makefile.in (LIB1FUNCS): Delete _lshlsi3. + (LIB2FUNCS): Delete _lshldi3. + + * expr.c (expand_expr, case MINUS_EXPR): Remove bogus operand swap. + + * optabs.c (expand_binop): Add missing test for VOIDmode + before calling convert_to_mode. + + * final.c (high_{block,function}_linenum): New variables. + (final_start_function): Initialize them. + (final_end_function): Pass highest line number to function end + debugging routines. + (final_scan_insn): Pass highest line number in block to block end + debugging function. + (output_source_line): Update highest line in block and function. + +Thu Jan 26 03:46:35 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (i[345]86-*linux*): Set $extra_parts if $elf. + (*-*-gnu*): Likewise. + +Wed Jan 25 18:11:19 1995 Jim Wilson <wilson@cygnus.com> + + * sh.c (prepare_scc_operands): Force sh_compare_op1 to a register if + it is an invalid constant. + (output_branch): Add cases for 4, 8, and 18. Correct branch offsets + in comments. + (find_barrier): Correct test for move instructions that need to be + fixed by verifying that the set source is a bad constant. + (arith_reg_or_0_operand): New function. + * sh.h (CONST_OK_FOR_LETTER_P): Add case for 'N'. Correct comment. + (ADJUST_INSN_LENGTH, SHORTEN_WITH_AJUST_INSN_LENGTH): New macros. + * sh.md (define_attr type): Combine pcloadsi and pcloadhi into pcload. + (*): Likewise for all patterns that use them. + (define_attr length): Delete cases for pcloadsi and pcloadhi. + Modify branch offsets and lengths to be correct. Correct comment. + (*): Correct length attributes for all patterns. + (in_delay_slot): Delete maybe value. Change default case from yes to + no. Delete case for lengths of 4, 6, 8, 10, and 12. + (cmpeq_0, cmpeq_0-1, cmpeq_0-2): Delete patterns. + (cmpeqsi_t): Delete case with constant as first operand. + (cmpgtsi_t, cmpgesi_t): Use arith_reg_or_0_operand not arith_operand. + Put register cases first. + (cmpgeusi_t, cmpgtusi_t): Delete cases for comparing against zero. + (jump): Call output_far_jump if insn length >= 14 instead of == 14. + (casesi): Use arith_reg_operand not arith_operand for operand 2. + + * fixincludes (strings.h): Fix return type of strlen. + + * expr.c (expand_expr, case MIN_EXPR): If must emit multiple + instructions, then don't allow a MEM target. + +Wed Jan 25 17:07:47 1995 Pat Rankin (rankin@eql.caltech.edu) + + * cccp.c (do_include): For VMS, don't attempt to + treat `#include X' as `#include <X.h>' unless `X' has already been + macro expanded. + (main): For VMS, do a better job of picking out the base name from + argv[0]'s absolute name. + * vax/xm-vms.h (FAILURE_EXIT_CODE): Define. + +Wed Jan 25 14:50:45 1995 David S. Miller (davem@nadzieja.rutgers.edu) + + * genattrtab.c (check_attr_value): Change error message text. + (simplify_test_exp): Likewise. + * stmt.c (expand_asm, expand_asm_operands): Likewise. + * mips.c (print_operand, print_operand_address): Likewise. + * dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise. + (limit_reload_class, double_reg_to_memory): Likewise. + (print_operand_address, emit_1600_core_shift): Likewise. + (gen_tst_reg, gen_compare_reg): Likewise. + * dsp16xx.md (compare): Likewise. + * unroll.c (find_splittable_givs): Likewise. + +Wed Jan 25 13:21:10 1995 Matthias Pfaller (leo@marco.de) + + * configure (ns32k-pc532-netbsd): Use netbsd32k.h instead of netbsd.h. + * ns32k/netbsd32k.h: Renamed from netbsd.h. + Don't include ansi.h. + Include config/netbsd.h and delete definitions included from it. + * ns32k/xm-netbsd.h (HAVE_ATEXIT): Deleted. + +Wed Jan 25 12:53:40 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k/mot3300.h (DEFAULT_PCC_STRUCT_RETURN): Define as zero. + (RETURN_IN_MEMORY): Small aggregates are to be returned in d0. + +Wed Jan 25 12:48:43 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (handle_directive): Fix typo: '\' caused next char to + be copied blindly, which was an error if !traditional and if + the next char was newline or one of <\'"/. + +Wed Jan 25 08:15:49 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * jump.c: Include expr.h after insn-config.h and insn-flags.h. + +Tue Jan 24 23:19:28 1995 Doug Evans <dje@cygnus.com> + + Improved conditional move support from Richard Earnshaw. + * optabs.c (movcc_gen_code): New variable. + (init_optabs): Initialize it. + (emit_conditional_move): New function. + (can_conditionally_move_p): New function. + * combine.c (simplify_set): Call it. + * expr.h: (emit_conditional_move): Declare it. + (can_conditionally_move_p): Likewise. + (movcc_gen_code): Likewise. + * genopinit.c (optabs): Add entry for movcc_gen_code. + * genconfig.c (main): Delete #ifndef around HAVE_conditional_move. + * jump.c (jump_optimize): Try to emit a conditional move insn before + trying a store-flag insn. + * alpha.md (movsicc): New named pattern. + (movdicc, movsfcc, movdfcc): Likewise. + (SImode conditional move): New matcher. + * sparc.h (HAVE_conditional_move): Delete. + + * configure: Recognize and ignore --x-* options. + +Mon Jan 23 23:23:33 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/svr4.h (ASM_OUTPUT_SECTION_NAME): Renamed from + ASM_OUTPUT_SECTION. The old name was a typo. + (ASM_OUTPUT_SECTION_NAME): Take proper number of args. + +Mon Jan 23 18:51:38 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * collect2.c (main): Check LD_INIT_SWITCH and LD_FINI_SWITCH + separately. + (scan_prog_file): Don't add shared library initializers or + finalizers to list if LD_INIT_SWITCH or LD_FINI_SWITCH are + defined, respectively. + +Mon Jan 23 18:45:13 1995 Ian Lance Taylor <ian@cygnus.com> + + * config/mips/mips.c (override_options): Permit any small integral + mode in the HI/LO registers. + +Mon Jan 23 15:41:10 1995 Steve Chamberlain <sac@cygnus.com> + + * h8300.md (table_jump_h8300, table_jump_h8300h): Constrain + operand to use register. + +Sat Jan 21 00:01:08 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (*-*-gnuelf*): Set elf=yes. + (*-*-gnu*): Use ${cpu_type}/gnuelf.h under --with-elf. + +Fri Jan 20 20:11:17 1995 Jim Wilson <wilson@cygnus.com> + + * combine.c (num_sign_bit_copies): Can handle paradoxical subreg only + if LOAD_EXTEND_OP is defined to SIGN_EXTEND. + + * loop.c (record_giv): Initialize new field same_insn. + * loop.h (structure induction): Add new field same_insn. + * unroll.c (copy_loop_body): When check for shared address givs, use + new same_insn field. + (find_splittable_givs): New variable v2. Scan givs to set new + same_insn field. Use same_insn to indentify address givs to be + shared. + + * flow.c (find_basic_blocks): No longer need to check for deleted + nonlocal_labels. + * function.c (delete_handlers): When clear LABEL_PRESERVE_P, + also remove label from nonlocal_label list. + * integrate.c (save_for_inline_copying): Add comment that + nonlocal_label list should be updated if it ever can be nonzero. + + * sdbout.c (syms.h): Don't include under Linux. + + * loop.c (scan_loop): For the replace_rtx call, copy the rtx that is + being substituted in before the call. + + * sh.c (machine_dependent_reorg): When remove SUBREG, add in + SUBREG_WORD to new register number. + + * sh.c (multcosts): Do not compute cost of constant power-of-two + multiplies as if they were shifts. Reduce multiply cost from 5 to 3. + Delete variable insn_cost. + +Fri Jan 20 14:21:49 1995 Mike Stump <mrs@cygnus.com> + + * stmt.c (expand_cleanups): Add 4th argument to indicate if code + needs to be expanded for the cleanup. + (expand_goto_internal): Ditto. + (bc_expand_goto_internal): Ditto. + (fixup_gotos): Ditto. + (expand_end_bindings): Ditto. We now always call expand_cleanups, + even after BARRIERs, so that the call to the exception handling + routines is always done. + +Thu Jan 19 18:39:14 1995 Ian Lance Taylor <ian@cygnus.com> + + * config/mips/mips.h (MASK_SINGLE_FLOAT): Define. + (MASK_MAD): Define. + (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT): Define. + (TARGET_MAD): Define. + (TARGET_SWITCHES): Add single-float, double-float, mad, no-mad, + 4650. + (ASM_SPEC): For gas, pass down -m4650, and pass -m4650 if -mmad is + used. + (CC1_SPEC): If -mips3 is used, only set -mfp64 if neither + -msingle-float nor -m4650 are used. Don't permit both -mfp64 and + -msingle-float, or both -mfp64 and -m4650. If -m4650 is used, + pass down -mcpu=r4650. + (FIXED_REGISTERS): Change HI and LO to not be fixed. + (HARD_REGNO_NREGS): If TARGET_SINGLE_FLOAT, use floating point + registers in 4 byte units, not 8 byte units. + (SECONDARY_RELOAD_CLASS): Define. + (mips_secondary_reload_class): Declare. + (LIBCALL_VALUE): If TARGET_SINGLE_FLOAT, only use FP_RETURN if the + mode size is <= 4. + (REGISTER_MOVE_COST): Use a cost of 12 when moving HI or LO to + anything other than a general register. + * config/mips/mips.c (function_arg): If TARGET_SINGLE_FLOAT, pass + DFmode arguments in general registers. + (override_options): Accept 4650 as a cpu type. If + TARGET_SINGLE_FLOAT, permit only small floating point modes in + floating point registers. Always permit SImode modes in HI/LO + registers. + (compute_frame_size): If TARGET_SINGLE_FLOAT, only save 4 bytes + per floating point register. Align the floating point register + save space to an eight byte boundary. + (save_restore_insns): If TARGET_SINGLE_FLOAT, save floating point + regisers in single precision. + (mips_secondary_reload_class): New function. + * config/mips/mips.md: Require TARGET_DOUBLE_FLOAT for all double + precision floating point insns. Change the multiplication insns + to be single instructions which set a register of class l or h or + x, as appropriate, rather than explicitly setting HI and/or LO. + Use define_expand to avoid generating a shift near a multiply on + the r4000. Use match_scratch in the division insns to clobber HI + and LO, rather than mentioning them explicitly. Add support for + r4650 mad and madu insns. + * config/mips/t-ecoff (MULTILIB_OPTIONS): Add mips1/mips3. + (MULTILIB_DIRNAMES): Add mips1 mips3. + +Wed Jan 18 07:43:53 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (stabilize_reference): Fix typo in last change. + * expr.c (get_inner_reference): Don't ignore CONVERT_EXPR from + non-UNION_TYPE to UNION_TYPE. + (expand_expr, case CONVERT_EXPR): Check for conversion to union + before checking for not changing mode. + +Tue Jan 17 22:33:27 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (stabilize_reference, case RTL_EXPR): New case. + +Tue Jan 17 18:42:44 1995 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.c (emit_move_sequence): Also handle displacements which + do not fit in 14 bits for fp load/store secondary reloads. + +Tue Jan 17 13:34:22 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + Avoid bogus errors for C++ lvalues. + * c-decl.c (init_decl_processing): Set pedantic_lvalues to pedantic. + * fold-const.c (pedantic_non_lvalue): Only force a non-lvalue if + pedantic_lvalues is set. + * tree.h: Declare pedantic_lvalues. + + Generalize shared truthvalue code to allow for C++ bool. + * c-tree.h: Declare boolean_{type,true,false}_node. + * c-decl.c (init_decl_processing): Set up + boolean_{type,true,false}_node to equal + integer_{type,one,zero}_node. + * c-common.c (truthvalue_conversion): Use + boolean_{type,true,false}_node instead of + integer_{type,one,zero}_node. + (shorten_compare): Ditto. + +Mon Jan 16 07:11:50 1995 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Fix typo that caused tokens to be glued + together improperly. + +Sun Jan 15 21:00:24 1995 Doug Evans (dje@cygnus.com) + + * configure (vintmsg): Delete. + +Sat Jan 14 17:50:06 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (get_inner_reference): Only treat offset of PLUS_EXPR + as special if second arg is integer constant. + +Sat Jan 14 01:28:15 1995 Doug Evans (dje@cygnus.com) + + * expmed.c (extract_bit_field, fields bigger than word case): Count + subwords in target. Zero remaining upper bits if unsigned. + + * c-common.c (decl_attributes): Fix typo in packed ignored warning. + Fix unrecognized mode warning. Make string comparisons consistent. + Support machine attributes with arguments. Make noreturn/volatile + warnings consistent with others. + + * a29k.h (INIT_CUMULATIVE_INCOMING_ARGS): Reserve two regs for + caller's lr0,lr1. + * a29k.c (incoming_reg): Keep regstack aligned to even boundary. + +Fri Jan 13 20:29:30 1995 Philippe De Muyter (phdm@info.ucl.ac.be) + + * sdbout.c (plain_type_1): For LONG_LONG_TYPE_SIZE, return T_[U]LONG + instead of 0 (i.e. T_VOID). + + * optabs.c (expand_binop): Do not force constant shift-count to + a register, to allow possible widening; do not convert_to_mode + mode{1,2} or copy_to_mode_reg if mode{1,2} is VOIDmode. + * m68k.md (zero_extendsidi2): New pattern. + (extendqidi2, extendhidi2, extendsidi2, extendplussidi): New patterns. + (adddia_sexthishl32, adddid_sexthishl32): New patterns. + (adddi_dilshr32, adddi_dishl32, adddi_mem): New patterns. + (adddi3, subdi3): Allow more alternatives. + (subdia_sexthishl32, subdid_sexthishl32): New patterns. + (subdi_dishl32, subdi_mem): New patterns. + (negdi2): New pattern. + (ashldi_sexthi, ashldi_const32, ashldi_const, ashldi3): New patterns. + (subreg1ashrdi_const32, ashrdi_const32): New patterns. + (ashrdi_const32_mem, ashrdi_const, ashrdi3): New patterns. + (subreg1lshrdi_const32, lshrdi_const32, lshrdi_const, lshrdi3): Ditto. + (lshrsi_31): New pattern. + (lshrsi_16, lshrsi_17_24): New names for old unnamed patterns. + + * m68k.c (use_movqi, const_method): New functions. + (const_int_cost, output_move_const_into_data_reg): Likewise. + (singlemove_string): Call output_move_const_into_data_reg. + * m68k.md (fullword move): Likewise. + * m68k.h (CONST_COSTS): Call const_int_cost. + +Fri Jan 13 20:17:55 1995 Oliver Kellogg (okellogg@salyko.cube.net) + + * 1750a.h, 1750a.c: Remove use of function prototypes. + +Fri Jan 13 15:53:33 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * tree.h (DECL_STATIC_CONSTRUCTOR): New macro. + (DECL_STATIC_DESTRUCTOR): New macro. + (tree_decl): Add static_ctor_flag and static_dtor_flag. + + * objc-act.c (finish_file): Renamed from objc_finish. + + * c-parse.in (program): Call finish_file. + + * c-decl.c (duplicate_decls): Propagate DECL_STATIC_{CON,DE}STRUCTOR. + (finish_function): Handle DECL_STATIC_{CON,DE}STRUCTOR. + + * c-lang.c (finish_file): New function to emit code for calling + static constructor and destructor functions as necessary. + + * c-common.c (decl_attributes): Support __attribute__s + "constructor" and "destructor". + +Fri Jan 13 19:38:08 1995 Paul Eggert <eggert@twinsun.com> + + * gcc.c (execute): Don't wait for just any N subprocesses, + since we may have started with some subprocesses before we + started executing. Wait just for _our_ N subprocesses. + +Fri Jan 13 18:08:17 1995 John F Carr <jfc@mit.edu> + + * gencodes.c, genemit.c, genflags.c (gen_insn): Ignore insns whose + names begin with '*'. + * genoutput.c (output_epilogue): Do not reference gen_ functions for + insns whose names begin with '*'. + +Fri Jan 13 17:54:42 1995 Wolfgang Formann (wolfi@exner.tgm.ac.at) + + * i386/isc.h (ASM_FILE_START): New macro. + +Fri Jan 13 15:01:59 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (unary_expr): If -pedantic, give error for &&. + + * fold-const.c (fold, case COND_EXPR): Properly swap args 1 and 2. + Strip nops from ARG2, just like ARG1. + Make {MIN,MAX}_EXPR properly when type of result different than args. + + * function.c (optimize_bit_field): Don't remove a SUBREG that + changes mode class. + + * Makefile.in (stmp-multilib*): Pass CC and CFLAGS to recursive make. + + * alpha/osf12.h (LINK_SPEC): Add missing "\". + +Thu Jan 12 13:37:13 1995 Jim Wilson <wilson@cygnus.com> + + * i960/t-* (LIBGCC1, CROSS_LIBGCC1): Define to empty instead of + to libgcc1.null. + * mips/t-*, sparc/t-*: Likewise. + +Thu Jan 12 08:13:55 1995 Steve Chamberlain (sac@wombat.gnu.ai.mit.edu) + + * libgcc2.c (__lshldi3, __lshrdi3, __ashldi3, __ashrdi3): + Shift count comes as a word, not as an SI. Keep temporary in + a word. + (__moddi3, __divdi3): Make negate flag `c' have word_type for + efficiency. + +Thu Jan 12 07:18:09 1995 Stephen L Moshier (moshier@world.std.com) + + * real.c (toe64): Use Intel bit pattern for little-endian XFmode Inf. + (e64toe): Likewise; also check the exponent field properly. + +Wed Jan 11 14:24:55 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * toplev.c (lang_options): Add -f{no-,}gnu-keywords, + -f{no-,}operator-names. + +Tue Jan 10 19:16:07 1995 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (REGISTER_MOVE_COST): Add LINK_OR_CTR_REGS class to + expensive moves. + +Tue Jan 10 19:07:36 1995 Jonathan Beimel (jbeimel@gomez.sc.intel.com) + + * combine.c (simplify_if_then_else): Fix typo: "|" should be "||". + +Tue Jan 10 05:49:25 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold): Avoid infinite recursion caused by last change. + +Mon Jan 9 17:08:56 1995 Michael Meissner (meissner@cygnus.com) + + * configure: All AIX versions [456789].* use the AIX 4.1 support. + +Mon Jan 9 13:21:07 1995 David Edelsohn <edelsohn@npac.syr.edu> + + * rs6000/aix41ppc.h: New file. + + * configure (powerpc-ibm-aix4.1*): Add support AIX version 4.1 on + the powerpc. + +Sat Jan 7 08:51:29 1995 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sparc.c (order_regs_for_local_alloc): Add casts to bcopy call. + (print_operand, case 'f'): New case. + (sparc_initialize_trampoline): Use gen_flush instead of knowing + what pattern looks like. + Use MEM instead of address in flush insn, so virtual reg + instantiation can update. + Ensure address in flush insn is valid. + * sparc.md (flush): Change to using a MEM instead of address. + + * reorg.c (dbr_schedule): Add missing casts in bzero call. + + * fold-const.c (fold, case CONVERT_EXPR): Don't remove an + integer conversion when outer is FP unless it doesn't change + signedness; rework code in this area to be clearer. + +Sat Jan 7 02:58:21 1995 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (enum processor_type): New enumeration describing the + processor to schedule for (700, 7100, 7100LC). + (pa_cpu_attr, TARGET_OPTIONS, OVERRIDE_OPTIONS): Define. + (pa_cpu_string, pa_cpu): Provide extern decls. + * pa.c (pa_cpu, pa_cpu_string): Provide definitions. + (override_options): New function. + (pa_adjust_cost): Handle PROCESSOR_7100 and PROCESSOR_7100LC + scheduling. Handle anti-dependendy cases involving fp division + and sqrt. Handle output dependencies correctly. Break TYPE_FPMUL + into TYPE_FPMULSGL and TYPE_FPMULDBL. + * pa.md (cpu attribute): New attribute. + Clean up comments for PROCESSOR_700 scheduling info. Slightly + simplify. Make conditional on PROCESSOR_700. + Add comments and scheduling information for PROCESSOR_7100 and + PROCESSOR_7100LC. Set types for instructions which use the shifter + to "shift". Explicitly set lengths and types for all instructions. + Break type "fpmul" into "fmulsgl" and "fpmuldbl". + +Fri Jan 6 17:50:48 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * sh/sh.h (DO_GLOBAL_CTORS_BODY): Run constructors from right to + left not left to right. + * h8300/h8300.h: Likewise. + +Thu Jan 5 12:37:26 1995 Doug Evans <dje@cygnus.com> + + * loop.c (get_condition): Use CONST0_RTX instead of const0_rtx. + +Wed Jan 4 04:26:23 1995 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.md (call expander): Use emit_insn_before to emit an insn to + save the PIC register before a function call. + (call_value expander): Likewise. + +Tue Jan 3 15:23:49 1995 Jim Wilson <wilson@cygnus.com> + + * va-mips.h (va_arg, mips3 case): Use __PTRDIFF_TYPE__ not int in + casts. + + * c-decl.c (duplicate_decls): Push to correct obstack before + creating new function types. + +Fri Dec 30 16:12:52 1994 Ian Lance Taylor <ian@cygnus.com> + + * fixinc.svr4: Remove special patch for <netinet/in.h>. + +Fri Dec 30 08:00:53 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * varasm.c: Include output.h. + Add prototyes for all static functions; remove forward declarations + of non-static functions. + (assemble_variable): Add missing arg decl. + (bc_make_decl_rtl, const_hash, const_hash_rtx): Now static. + (output_addressed_constants, output_constructor): Likewise. + (bc_output_constructor): Add missing argument. + (output_byte_asm): Delete, unused. + * output.h: Add decls of functions in varasm.c. + Allow to be included when rtl.h is not. + * function.h ({save_restore}_varasm_status): Add decls. + * c-decl.c, c-typeck.c, toplev.c: Include output.h. + * Makefie.in (c-decl.o, c-typeck.o, toplev.o, varasm.o): Likewise. + +Thu Dec 29 21:48:03 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * calls.c (expand_call): Set MEM_IN_STRUCT_P as needed on return + value from assign_stack_temp. + (store_one_arg): Likewise. + * expr.c (save_noncopied_parts): Likewise. + (expand_expr): Likewise. + * function.c (assign_parms): Likewise. + * integrate.c (expand_inline_function): Likewise. + * stmt.c (expand_decl): Likewise. + +Thu Dec 29 14:06:34 1994 Jim Wilson <wilson@cygnus.com> + + * cse.c (simplify_unary_operation): Cast constant 1 to HOST_WIDE_INT + before shifting left to form mask. + * gcc.c (print_multilib_info): Initialize last_path_len to 0. + * varasm.c (output_constructor): Change type of variable value to + HOST_WIDE_INT. + + * expmed.c (expand_mult_highpart): Use convert_modes instead of + gen_lowpart to do conversions. + +Thu Dec 29 13:42:08 1994 Mike Stump <mrs@cygnus.com> + + * toplev.c (lang_options): Add -frtti flag for rtti support in C++. + +Wed Dec 28 22:04:42 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * config/pa/lib2funcs.asm: New file. + * config/pa/t-pa (LIB2FUNCS_EXTRA): Define. + * config/pa/pa.h (DO_GLOBAL_DTORS_BODY): Define. Include a + reference to __gcc_plt_call so __gcc_plt_call always appears in + executables which reference __main. + +Wed Dec 28 21:18:26 1994 Jim Wilson <wilson@cygnus.com> + + * mips.md (truncdiqi2+[123]): Add patterns to optimize DImode to + SImode truncation. + + * reorg.c (fill_simple_delay_slots): For the epilogue case, set needed + to include frame pointer and stack pointer, don't include all of + end_of_function_needs. Reject insn if it sets a previously set + resource. + + * sh.c (sh_expand_prologue): Clear extra_push at start. Clear + current_function_anonymous_args if set. Clear shiftsyms array. + (sh_expand_epilogue): Don't clear extra_push, + current_function_pretend_args_size, current_function_anonymous_args, + and shiftsyms array. + + * reload.c (find_equiv_reg): Exclude registers clobbered in the + CALL_INSN_FUNCTION_USAGE field of a CALL_INSN. + +Tue Dec 27 19:22:35 1994 Mike Stump <mrs@cygnus.com> + + * stmt.c (expand_cleanups): Add third parameter so that we can + avoid marking a cleanup region if this cleanup is part of a fixup + style goto. + (expand_goto_internal): Pass a 1 to expand_cleanups. + (bc_expand_goto_internal): Ditto. + (fixup_gotos): Ditto. + (expand_end_bindings): Pass a 0 to expand_cleanups. + +Tue Dec 27 15:45:18 1994 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.c (output_movb): Fix ttypo. + +Tue Dec 27 15:11:42 1994 Ian Lance Taylor <ian@cygnus.com> + + * config/i960/i960.c (i960_output_double): Print hex constants if + REAL_VALUE_TO_TARGET_DOUBLE is defined. + (i960_output_float): Likewise with REAL_VALUE_TO_TARGET_SINGLE. + +Sun Dec 25 07:22:30 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * convert.c (convert_to_pointer): Eliminate ref to null_pointer_node. + +Thu Dec 22 12:51:31 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * limitx.h (syslimits.h): Find syslimits.h in the same directory. + + * limity.h (_GCC_NEXT_LIMITS_H): If macro defined, recurse down + to real limits.h. + + * gsyslimits.h (_GCC_NEXT_LIMITS_H): Define macro and start recursing + down to the real limits.h. + +Thu Dec 22 12:17:11 1994 Ian Lance Taylor <ian@cygnus.com> + + * Makefile.in (LIMITS_H_TEST): New variable. + (xlimits.h): Use LIMITS_H_TEST. + * config/m68k/t-next (LIMITS_H_TEST): Define. + * config/i386/t-next (LIMITS_H_TEST): Define. + +Wed Dec 21 15:56:13 1994 Holger Teutsch (teutsch@sw017.ffm-iw.Degussa.DE) + + * clipper.h (TRAMPOLINE_TEMPLATE): Specify some code as explicit hex + words. Shorten template. + (TRAMPOLINE_SIZE,INITIALIZE_TRAMPOLINE): Update accordingly. + (FUNCTION_ARG,FUNCTION_ARG_ADVANCE): Aggregates are ALWAYS passed + on the stack. + * va-clipper.h (__va_rounded_size): Delete. + (__va_round): Args have at least PARM_BOUNDARY (=32) alignment. + +Wed Dec 21 15:36:46 1994 Stephen L Moshier (moshier@world.std.com) + + * m68k.md (sqrtsf2, sinsf2, sindf2, sinxf2): Define. + (cossf2, cosdf2, cosxf2): Likewise. + (sqrtxf2): Operand 1 now XFmode. + +Wed Dec 21 14:39:46 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (adddi3, subdi3): New patterns. + +Wed Dec 21 13:56:08 1994 Michael Gschwind <mike@vlsivie.tuwien.ac.at> + + * pdp11.md (mulhisi3): Add truncate to mulhisi3 to fix bug and + change from define_insn to define_expand to survive register + presssure. + +Wed Dec 21 12:51:10 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stmt.c (expand_asm_operands): Make sure input operands are + valid constants if they are constants. + + * toplev.c (rest_of_compilation): Adjust tests for when to + inline and when to defer. + * calls.c (expand_call): Only inline if DECL_INLINE; don't + call function_cannot_inline_p here. + + * stmt.c (expand_expr_stmt): If want values for statements, + convert function to address-of-function. + +Wed Dec 21 00:02:33 1994 Ian Lance Taylor <ian@cygnus.com> + + * combine.c (simplify_shift_const): Always copy flags to new MEM. + +Tue Dec 20 14:15:58 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rs6000/aix41.h (LINK_SPEC): Add case for -shared, just like rs6000.h. + +Tue Dec 20 09:14:00 1994 DJ Delorie (dj@ctron.com) + + * i386/go32.h: support #pragma pack(). + + * msdos/configur.bat: add libgcc.a target. + * msdos/mklibgcc.c: new file, helps build libgcc.a. + * msdos/libgcc.mak: new file, makefile fragment for libgcc.a. + * msdos/top.sed: change Makefile to be able to build libgcc.a. + +Mon Dec 19 20:52:13 1994 Jim Wilson <wilson@cygnus.com> + + * mips/x-sysv (CLIB): Add -L/usr/lib/cmplrs/cc3.11. + + * dsp16xx/dsp16xx.h (HAVE_VPRINTF): Delete. + + * flow.c (mark_set_1): For multi-reg hard register, clear all + reg_next_use entries. + +Mon Dec 19 17:49:59 1994 Doug Evans <dje@cygnus.com> + + * Makefile.in (stmp-multilib): Check recursive make's return code. + (.PHONY): Tell GNU make the various LANGUAGES are phony targets. + +Mon Dec 19 17:07:41 1994 Ian Lance Taylor <ian@cygnus.com> + + * config/mips/mips.c (print_operand): Don't print a CONST_DOUBLE + as a floating point value if it is not MODE_FLOAT. + +Mon Dec 19 15:27:42 1994 Jim Wilson <wilson@cygnus.com> + + * fp-bit.c (fpadd_parts): Adding infinities with opposite signs + yields a NaN. + + * loop.c (invariant_p): Reject const volatile references. + +Sun Dec 18 21:55:26 1994 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.md (pic2_highpart): Accept readonly operands. + +Sun Dec 18 16:29:20 1994 Jim Wilson <wilson@cygnus.com> + + * mips/dec-bsd.h (CPP_PREDEFINES): Change _MIPSEB to _MIPSEL. + + * cccp.c (macarg1): Count newline at end of C++ comment. + +Sun Dec 18 06:54:34 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_decl): Allow DECL_BIT_FIELD for any type. + +Sat Dec 17 03:43:24 1994 Jeffrey A. Law <law@snake.cs.utah.edu> + + * pa.h (readonly_section): During PIC code generation, put + readonly data into the standard data section. + + * pa.c (pic_label_operand): Disallow SYMBOL_REFs (constant data). + +Fri Dec 16 06:44:40 1994 Jim Wilson <wilson@chestnut.cygnus.com> + + * sparc/litecoff.h (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_FUNCTION_FIRST, + DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define. + (ASM_OUTPUT_SOURCE_LINE): Modify it to output function relative stabs. + + * sh/lib1funcs.asm (ashiftrt_r4_1): Delete useless or instruction. + Add nop to rts delay slot. + + * combine.c (distribute_notes): When output an insn to hold a REG_DEAD + note, update basic_block_head if necessary. + +Thu Dec 15 15:22:46 1994 Jeffrey A. Law <law@snake.cs.utah.edu) + + * pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Don't emit a ".text" + pseudo-op, we already make sure we're in the right space/subspace. + +Thu Dec 15 07:49:36 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_constructor): Properly get constant part of + bit position when DECL_FIELD_BITPOS is a PLUS_EXPR. + +Wed Dec 14 19:01:32 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (get_inner_reference): Use EXACT_DIV_EXPR to + compute byte offset from bit offset. + +Wed Dec 14 11:41:21 1994 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Fix non const atof parameter on NEWS-OS 4.2R. + +Tue Dec 13 18:39:09 1994 Doug Evans <dje@cygnus.com> + + * h8300.c (handle_pragma): Only print warning once. + + * function.c (instantiate_virtual_regs_1, case PLUS): If offset is + zero, make sure register replacement is still validated. + +Tue Dec 13 07:51:20 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tower-as.h (FUNCTION_EXTRA_EPILOGUE): Fix typo in mov.l opcode. + * tower.h (IMMEDIATE_PREFIX): Really define. + + * expr.c (expand_expr, case MINUS_EXPR): Properly handle case + when the NEGATE overflows. + +Mon Dec 12 17:22:19 1994 der Mouse (mouse@collatz.mcrcim.mcgill.edu) + + * reload.c (debug_reload): Use GET_MODE_NAME to avoid warning. + +Mon Dec 12 13:15:04 1994 Doug Evans <dje@cygnus.com> + + * function.c (locate_and_pad_parm): Don't call pad_below for BLKmode + parms in regs. + + * expmed.c (emit_store_flag): Set mode after canonicalizing op0/op1 + so op1 is constant. + +Mon Dec 12 08:04:33 1994 Pat Rankin (rankin@eql.caltech.edu) + + * cccp.c, toplev.c (vms_fopen): Call `fopen' through an indirect + pointer to inhibit checking argument list against its prototype. + Increase RMS multi-block count from 16 to 32. + +Sat Dec 10 17:03:59 1994 H.J. Lu (hjl@nynexst.com) + + * cccp.c (do_include): Avoid dynamic initialization of aggregate. + +Sat Dec 10 16:57:50 1994 Andreas Luik (luik@isa.de) + + * m68k.md (cmpsi): Make this into a define_expand; legitimize + PIC addresses if necessary. + Old cmpsi code now unnamed define_insn pattern. + +Sat Dec 10 16:06:03 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (pedantic_omit_one_operand): New function. + (fold, case COND_EXPR): Use it instead of calling + pedantic_non_lvalue on the result of omit_one_operand. + +Fri Dec 9 15:53:35 1994 Steve Chamberlain (sac@wombat.gnu.ai.mit.edu) + + * reload.c (find_reloads_address_1): Handle TRUNCATE and + ZERO_EXTEND in same way as SIGN_EXTEND. + +Fri Dec 9 14:52:41 1994 Jason Merrill <jason@phydeaux.cygnus.com> + + * rs6000/rs6000.h (LINK_SPEC): Add %{shared:-bM:SRE}. + (LINK_LIBGCC_SPECIAL_1): Use LIBGCC_SPEC instead. + +Fri Dec 9 14:24:02 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * gcc.c (default_compilers): Add support for Chill (.ch and .chi). + +Fri Dec 9 17:31:46 1994 Jason Merrill <jason@phydeaux.cygnus.com> + + * fixinc.svr4 (sys/byteorder.h): Turn extern inlines back into + static inlines for targets (such as SPARC/Solaris) that don't + supply these functions in the C library. + +Fri Dec 9 17:19:44 1994 David Edelsohn <edelsohn@npac.syr.edu> + + * rs6000.h (MASK_NO_FPR, TARGET_NO_FPR): Define. + (TARGET_SWITCHES): Add "fp-regs" and "no-fp-regs". + (CONDITIONAL_REGISTER_USAGE): Set FPRs fixed and call_used if + TARGET_NO_FPR. + +Fri Dec 9 16:06:23 1994 Doug Evans <dje@cygnus.com> + + * fold-const.c (fold): Call real_zerop for real constants. + +Thu Dec 8 17:28:57 1994 Jason Merrill <jason@phydeaux.cygnus.com> + + * dbxout.c (dbxout_type_method_1): Don't try to look at the first + argument of non-methods (which might not have a first argument). + +Thu Dec 8 16:07:27 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (mips-*-gnu*): Recognize this configuration. + * config/mips/gnu.h: New file. + +Thu Dec 8 15:41:32 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.c (extend_operator): New predicate. + * m68k.md (bsetmemqi, bclrmemqi): New patterns to set bit in memory + byte with bit number dynamic (use bclr/bset instructions). + +Thu Dec 8 14:13:45 1994 Paul Eggert <eggert@twinsun.com> + + * cccp.c (do_include): Don't turn newline markers into spaces + when expanding an include file name. + + * cccp.c (discard_comments): If traditional, replace a comment + with nothing instead of with a space. + + * cccp.c (char_name): New var. + (initialize_char_syntax): Initialize it. + (handle_directive): Use it to simplify printing of diagnostics. + Warn about '\r' too. + (create_definition, do_pragma, do_endif, make_assertion): Be consistent + about skipping all horizontal white space, not just space and tab. + +Thu Dec 8 13:54:38 1994 H.J. Lu (hjl@nynexst.com) + + * i386/linuxelf.h: Modified for stabs-in-ELF. + (PREFERRED_DEBUGGING_TYPE): Defined as DBX_DEBUG. + (FUNCTION_PROFILER): Use mcount instead of _mount. + (CPP_PREDEFINES): Add -D__ELF__. + (CPP_SPEC): Add -D__PIC__ -D__pic__ for -fPIC or -fpic. + (LIB_SPEC): Don't use any default library if -shared. + (LIBGCC_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): New specs. + * configure (gxx_include_dir): Set default to '$(prefix)/include/g++' + (i[345]86-*-linuxelf): New platform for ELF. + * crtstuff.c (CRT_END): Add dummy refs to ___brk_addr, __environ + and atexit if __linux__ and __PIC__ defined. + +Thu Dec 8 12:58:34 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/xm-freebsd.h, i386/xm-freebsd.h: New files. + * configure (i[345]86-*-freebsd*): Use i386/xm-freebsd.h. + +Wed Dec 7 16:51:56 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md: New pattern for ior between SImode target and zero_extended + value. + +Wed Dec 7 16:42:46 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (distribute_notes): If can't find place for REG_DEAD + note, add an INSN with a USE to hold it. + + * tree.c (preserve_momentary): New function. + +Wed Dec 7 15:59:00 1994 Doug Evans <dje@cygnus.com> + + * function.c (locate_and_pad_parm): Do padding before rounding + so pad_below knows how much is needed. + +Tue Dec 6 17:53:37 1994 Steve Chamberlain (sac@wombat.gnu.ai.mit.edu) + + * sh.md (ashrsi2_16): New pattern doesn't clobber reg 18. + (ashrsi2_31): Fix. + +Tue Dec 6 19:11:36 1994 Stephen L Moshier (moshier@world.std.com) + + * c-decl.c (init_decl_processing): Implement built-in functions + fabsf, sqrtf, sinf, cosf, fabsl, sqrtl, sinl, cosl. + +Tue Dec 6 18:42:15 1994 Pat Rankin (rankin@eql.caltech.edu) + + * make-gcc.com: Eliminate `set symbol/scope=noGlobal'. + + * vax/vms.h (CPP_PREDEFINES): Set __GNUC_MINOR__ to 7. + +Tue Dec 6 15:10:37 1994 Jason Merrill <jason@phydeaux.cygnus.com> + + * sparc/t-sol2 (CRTSTUFF_T_CFLAGS): Don't use PIC if + cross-compiling, use the native assembler otherwise. + +Tue Dec 6 05:48:32 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (i[345]86-*-gnu*): Just set cpu_type=i386 here. + (*-*-gnu*): Match this in second case stmt and set other vars based on + $cpu_type. + * config/gnu.h: New file. + * config/i386/gnu.h: Include "gnu.h". + +Mon Dec 5 16:59:39 1994 Doug Evans <dje@cygnus.com> + + * sparc/t-sparcbare (LIB2FUNCS_EXTRA): Compile fp-bit.c. + +Mon Dec 5 14:48:53 1994 Jim Wilson <wilson@mole.gnu.ai.mit.edu> + + * unroll.c (copy_loop_body): Reformat CODE_LABEL_NUMBER macro call + to avoid HPUX compiler bug. + +Mon Dec 5 13:53:45 1994 Doug Evans <dje@cygnus.com> + + * m68k.md (negsf2): Flip sign bit if software floating point. + (negdf2,negxf2): Likewise. + (abssf2): Zero sign bit if software floating point. + (absdf2,absxf2): Likewise. + +Mon Dec 5 13:00:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.h (EXTRA_CONSTRAINT, case 'R'): Fix error in last change. + +Mon Dec 5 00:40:11 1994 Doug Evans <dje@cygnus.com> + + * Makefile.in (c-parse.h): Split away from c-parse.c for parallel + makes. + (bi-parser.h): Likewise with bi-parser.c. + +Sun Dec 4 21:04:40 1994 Doug Evans <dje@cygnus.com> + + Delete this patch: + * reorg.c (fill_slots_from_thread): Create a USE insn for any + redundant insn we pretend to fill a delay slot with. Continue + searching for a suitable delay slot insn at the new USE insn. + +Fri Dec 2 11:29:41 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * expr.c (store_constructor): Add support for SET_TYPE. + +Fri Dec 2 18:14:09 1994 David Edelsohn <edelsohn@npac.syr.edu> + + * rs6000.h (MASK_64BIT, TARGET_64BIT, SHORT_TYPE_SIZE): Define. + (INT_TYPE_SIZE, MAX_INT_TYPE_SIZE, LONG_TYPE_SIZE): Define. + (MAX_LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, CHAR_TYPE_SIZE): Define. + (FLOAT_TYPE_SIZE, DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Define. + (POINTER_SIZE, PARM_BOUNDARY): Depend on TARGET_64BIT. + (BIGGEST_ALIGNMENT, STARTING_FRAME_OFFSET): Likewise. + (FIRST_PARM_OFFSET, REG_PARM_STACK_SPACE): Likewise. + (STACK_POINTER_OFFSET, Pmode, FUNCTION_MODE): TARGET_64BIT dependent. + * xcoffout.c (xcoff_output_standard_types): Add TARGET_64BIT + dependencies. Add "wchar", "long long int", and "long long + unsigned int" built-in C types. + +Fri Dec 2 18:08:16 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * integrate.c (subst_constant): Don't treat all virtual regs as + constants, just those that are off FP and AP, but not SP. + (expand_inline_function): If called function calls alloca, save and + restore SP around its call. + + * rs6000.c (input_operand): Correctly check for SYMBOL_REF + referring to the TOC. + * rs6000.h (EXTRA_CONSTRAINT): Likewise. + +Wed Nov 30 20:42:57 1994 Jeffrey A. Law <law@snake.cs.utah.edu) + + * reorg.c (fill_slots_from_thread): Create a USE insn for any + redundant insn we pretend to fill a delay slot with. Continue + searching for a suitable delay slot insn at the new USE insn. + +Wed Nov 30 19:02:49 1994 Jim Wilson <wilson@chestnut.cygnus.com> + + * combine.c (record_dead_and_set_regs_1): Handle SUBREGs. + + * expr.c (convert_move): When emit multiword conversion, force FROM + into a new pseudo-reg if it overlaps TO. + + * fold-const.c (fold_truthop): Delete BIT_AND_EXPR of constants + with masks. + +Wed Nov 30 18:22:31 1994 David Edelsohn <edelsohn@npac.syr.edu> + + * rs6000.h (BITS_PER_WORD): TARGET_POWERPC64 dependent. + (MAX_BITS_PER_WORD): Define. + (UNITS_PER_WORD): TARGET_POWERPC64 dependent. + (MAX_UNITS_PER_WORD): Define. + (UNITS_PER_FP_WORD): Define. + (HARD_REGNO_NREGS): Use MAX_UNITS_PER_FP_WORD. + (HARD_REGNO_MODE_OK): Likewise. + (CLASS_MAX_NREGS): Likewise. + (MOVE_MAX): TARGET_POWER and TARGET_POWERPC64 dependent. + (MAX_MOVE_MAX): Define. + * rs6000.md (floatsidf2): Test BITS_PER_WORD in pattern condition + not during build. Fail if TARGET_POWERPC64. + (floatunssidf2): Likewise. + + * rs6000.md (extendsidi2): Use lwa_operand predicate. + (sign_extend load with update): New PowerPC64 pattern. + * rs6000.c (lwa_operand): New predicate. + * rs6000.h (PREDICATE_CODES): Add lwa_operand. + +Wed Nov 30 18:19:08 1994 Will Athanasiou (will@westford.ccur.com) + + * rs6000.md (extendsfdf2): SFmode and DFmode register format + identical so use define_expand with paradoxical subreg no-op and + accompanying new define_split. + +Wed Nov 30 18:05:03 1994 Michael Collison (collison@sw.stratus.com) + + * reload.c (combine_reloads): If using reg dying in this insn as + reload reg, ensure it can't be a secondary output reload reg. + +Wed Nov 30 15:48:29 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (emit_block_move): Only use movstr if size is + small enough constant or MODE is at least BITS_PER_WORD. + + * c-common.c (decl_attribute): Allow special names (e.g, `word') + for mode attribute. + * libgcc2.c (word_type): Use __attribute__ ((mode (__word__))). + +Tue Nov 29 16:50:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (expand_shift): Open-code rotate even if by a variable. + * optabs.c (init_optabs): Don't set functions for rotl and rotr. + +Tue Nov 29 00:39:56 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (DEFAULT_PCC_STRUCT_RETURN): Define as zero. + (RETURN_IN_MEMORY): Only large structs (>8 bytes) and addressable + structs should be returned in memory. + * calls.c (expand_call): Handle returning BLKmode values in + registers. Do not try to promote BLKmode. + * expr.c (expand_assignment): For BLKmode structure returns, + copy the return value from registers into the target memory + locations. + * integrate.c (function_cannot_inline_p): Do not inline functions + which return a BLKmode value in registers. + * stmt.c (expand_return): For BLKmode structure returns, copy + the return value from memory into the return registers. Use + an integer mode rather than BLKmode for returning structures + in registers. + * explow.c (hard_function_value): Change a register in BLKmode + to a register in a sufficiently wide integer mode. + + * calls.c (expand_call): Do not set is_integrable if the + function is not inlineable according to function_cannot_inline_p. + +Mon Nov 28 18:53:06 1994 Dave Love (d.love@dl.ac.uk) + + * Makefile.in (FLAGS_TO_PASS): Fix typo in GCC_FOR_TARGET. + +Mon Nov 28 18:15:58 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * configure (lang): Really fix the quoting bug in bash 1.12. + +Mon Nov 28 18:03:48 1994 Jim Wilson (wilson@cygnus.com) + + * expmed.c (store_bit_field, extract_bit_field): Consistently use + SLOW_UNALIGNED_ACCESS instead of STRICT_ALIGNMENT. + * expr.c (move_by_pieces, move_by_pieces_ninsns, emit_push_insn, + expand_assignment, store_field, expand_expr): Likewise. + (SLOW_UNALIGNED_ACCESS): Default to STRICT_ALIGNMENT, not zero. + + * cccp.c (create_definition): Error if comma not followed by an + identifier. + (collect_expansion): Error if # used in macro with no arguments. + + * c-decl.c (finish_decl): Use DECL_CONTEXT instead of + current_binding_level to identify file-scope variables. + +Wed Nov 23 19:44:25 1994 Steve Chamberlain (sac@jonny.cygnus.com) + + * sh.c (MSW, LSW): New macros. + (print_operand_address): Added 'T' and 'S'. Modified + to support alternate endianness. + (output_movedouble): Support both byte orders. + (output_options): Tell assembler when in little endian mode. + (shiftinsns): New function to calculate shift cost more + accurately. + (gen_shifty_op): Use new function. + * sh.h (CPP_SPEC, ASM_SPEC, LINK_SPEC, LIBGCC2_WORDS_BIG_ENDIAN): New. + (TARGET_SWITCHES, WORDS_BIG_ENDIAN, BYTES_BIG_ENDIAN, ): Support + both byte orders. + * sh.md (addi3, subdi3, ashrdi3, ashldi3, extendsidi2, movdi, movdf): + Support both byte orders. + (ashrsi2_16, ashrsi2_31): New. + t-sh: Support both byte orders. + +Wed Nov 23 17:25:43 1994 Ian Dall (dall@hfrd.dsto.gov.au) + + * config/ns32k/{ns32k.c,ns32k.h}: Add -mhimem to + support linking above 0x20000000 boundary. + + * config/ns32k/{netbsd.h,pc532.h, ns32k.c}: Fix meaning + of BASE_REG_NEEDED. + +Wed Nov 23 17:24:24 1994 Matthias Pfaller (leo@marco.de) + + * configure (ns32k-pc532-netbsd): No need for fixincludes + and libgcc1. + * ns32k/ns32k.h (CONST_COSTS): Correct range is -0x1fff to 0x2000. + * ns32k/ns32k.md (everywhere): Correct range is -0x1fffffff + to 0x20000000, others have to be loaded with movd. + Shortcircuit with TARGET_32532 as early as possible. + (movsi): Use movd to load unknown symbol values. to allow + * ns32k/ns32k.c (print_operand): Removed dead code. + * ns32k/pc532.h (TARGET_DEFAULT): Forbid usage of bitfield + instructions. + +Wed Nov 23 14:09:42 1994 Jim Wilson (wilson@cygnus.com) + + * mips.c (mips_output_external): Exclude __builtin_next_arg from list + of used external functions. + + * sh.c (arith_reg_operand): Disallow MACH_REG and MACL_REG. + + * sparc.h (SECONDARY_MEMORY_NEEDED_RTX, SECONDARY_MEMORY_NEEDED_MODE): + Use MODE not mode. + +Wed Nov 23 13:30:52 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (emit_move_insn): If splitting up into individual words + and X is a push_operand, do the push and reference top of stack. + +Tue Nov 22 21:39:52 1994 Doug Evans (dje@cygnus.com) + + * mips/elf64.h (ASM_OUTPUT_SECTION_NAME): Define. + +Tue Nov 22 06:29:21 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold_convert): Don't fold conversion if it would + produce constant larger than we can support. + * emit-rtl.c (gen_lowpart_common): Do nothing if size is + greater than twice host wordsize, not just if equal. + + * optabs.c (emit_no_conflict_block): Just emit the insns if + the block contains something not an INSN or has an embedded block. + + * emit-rtl.c (init_emit): Set REGNO_POINTER_FLAG + for HARD_FRAME_POINTER_REGNUM. + + * machmode.h (ptr_mode): Add declaration. + * emit-rtl.c (ptr_mode): Add definition. + (init_emit_once): Initialize ptr_mode. + * stor-layout.c (layout_type): Use ptr_mode instead of equivalent + call to mode_for_size. + +Mon Nov 21 18:41:42 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * varasm.c (output_constant): When eliminating conversions, + treat ARRAY_TYPE like a record. + + * m68k.md (movqi): Fix typo in push/pop case. + +Mon Nov 21 18:11:55 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * genopinit.c (gen_insn): Use GET_MODE_WIDER_MODE macro instead of + directly accessing the array. + +Mon Nov 21 17:59:07 1994 David Edelsohn <edelsohn@npac.syr.edu> + + * aix41.h (LINK_SPEC): New overriding defintion. + +Mon Nov 21 17:44:01 1994 John F Carr (jfc@mit.edu) + + * rs6000.c (input_operand): Allow a SYMBOL_REF referring to a + symbol in the TOC. + +Mon Nov 21 14:39:13 1994 Doug Evans (dje@cygnus.com) + + * mips/t-ecoff (dp-bit.c): Fix typos. + +Mon Nov 21 14:06:29 1994 Jim Wilson (wilson@cygnus.com) + + * emit-rtl.c (operand_subword): For CONST_DOUBLE, add case to + handle BITS_PER_WORD of 16. + + * reload1.c (reload): When decrement max_groups of superclass, can + only do so if the group_size is smaller than the current group. + + * c-lex.c (yylex): Do warn about floating point out of range if + target floating-point format is IEEE. Use warning instead of + pedwarn to avoid getting errors. + +Mon Nov 21 13:37:03 1994 Doug Evans (dje@cygnus.com) + + * m88k/m88k-aout.h (CPP_PREDEFINES): Add -Acpu and -Amachine. + * m88k/m88k-coff.h (CPP_PREDEFINES): Likewise. + (DBX_DEBUGGING_INFO): Define. + + * m68k/t-m68kbare (MULTILIB_MATCHES): Treat m68302/m68332 like m68000. + +Mon Nov 21 00:58:36 1994 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * pa.c (output_call): When emitting an inline long-call, use LP% + and RP% prefixes to get the function's address. + +Sun Nov 20 07:00:25 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (objc-parse.y): Fix typo. + + * t-svr3: Deleted. + * t-svr4 (EXTRA_PARTS): Deleted. + * i386/t-crtstuff, i386/t-crtpic: New files. + * i386/t-svr3dbx (EXTRA_PARTS): Deleted. + * configure: Replace use of t-svr3 with extra_parts definition. + Add extra_parts to t-svr4 users; likewise for i386/t-svr3dbx. + (i386 configurations): Add t-crtstuff if can't build crtstuff.c + with -fomit-frame-pointer; use t-crtpic if also must build with -fpic. + +Sat Nov 19 17:14:54 1994 Jim Wilson (wilson@cygnus.com) + + * m68k/lb1sf68.asm (addsf3): After using swap for 16 bit rotate, + branch back only if count still greater than 0. + + * c-typeck.c (build_binary_op): Can shorten shift only if shift count + is less than size in bits of arg0. + * expmed.c (expand_shift): Re-enable truncation of immediate shift + count. + + * mips.c (mips_const_double_ok): Accept VOIDmode not DImode. + (mips_move_1word): Accept VOIDmode CONST_DOUBLE. + +Sat Nov 19 05:36:35 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (print_operand, case 'c', case 'd'): New cases. + * alpha.md (sign_extend): Disable pattern with explicit SUBREG. + (cmov): Allow first operand of comparison to be zero, 2nd reg. + + * a29k/unix.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0. + * a29k/x-unix (CLIB): Remove -lsysv. + +Fri Nov 18 22:37:26 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * m88k/mot-sysv4.h: Remove, no longer needed. + * configure: Remove m88k-mot*-sysv4* special case. + + * collect2.c: Make various functions static. + + * sparc/sysv4.h ([CD]TORS_SECTION_ASM_OP): Remove #execinstr. + + * svr4.h, i386/sol2.h, m88k/dgux.h, sparc/sol2.h + (LINK_SPEC): Pass -z text when -shared or -symbolic. + * svr4.h (LIBGCC_SPEC): Don't pass -lgcc when -symbolic. + + * crtstuff.c: Fix comments. + +Fri Nov 18 22:36:26 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * pa/pa-hpux.h (LDD_SUFFIX): Move to pa.h. + (PARSE_LDD_OUTPUT): Ditto. + * pa/pa.h: (LDD_SUFFIX): Move from pa-hpux.h. + (PARSE_LDD_OUTPUT): Ditto. + (LINK_SPEC): Pass -b if -shared. Don't pass -u main if -shared. + * pa/pa1-osf.h: Reduce code duplication. + +Fri Nov 18 22:35:26 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * Makefile.in (crt{begin,end}.o): Pass $(CRTSTUFF_T_CFLAGS). + (CRTSTUFF_T_CFLAGS): New variable. + + * svr4.h, m88k/sysv4.h, sparc/sysv4.h (FINI_SECTION_ASM_OP): Define. + * i386/sol2.h (FORCE_FINI_SECTION_ALIGN): Define to + FORCE_INIT_SECTION_ALIGN. + * m88k/dgux.h, m88k/mot-sysv4.h, sparc/sysv4.h + (INIT_SECTION_PREAMBLE): Remove. + * svr4.h, sparc/sol2.h (STARTFILE_SPEC): Include crti.o and + values-X?.o when building a shared lib. + * svr4.h, i386/sol2.h, sparc/sol2.h (LIB_SPEC): Remove endfiles. + (ENDFILE_SPEC): Handle endfiles. + + * libgcc2.c (__do_global_dtors): Don't define if + INIT_SECTION_ASM_OP and OBJECT_FORMAT_ELF. + (L_[cd]tor_list): Lose unused pieces. + + * crtstuff.c (__[CD]TOR_{LIST,END}__): static if OBJECT_FORMAT_ELF. + (__do_global_ctors_aux): In .text if OBJECT_FORMAT_ELF. + (__do_global_dtors_aux): Ditto. + (init_dummy): Dummy function to stick a call to __do_global_ctors_aux + into the .init section if OBJECT_FORMAT_ELF. + (fini_dummy): Similarly. + Remove reference to INIT_SECTION_PREAMBLE. + + * mips/iris5.h (HAS_INIT_SECTION): Define. + (LINK_SPEC): Pass -u __main -init __main if not -shared. + (STARTFILE_SPEC): Don't include these when -shared. + (LIB_SPEC): Don't include these when -shared. + (ENDFILE_SPEC): Define. + (LD_INIT_SWITCH): Define. + (LD_FINI_SWITCH): Define. + + * alpha/alpha.h (LD_INIT_SWITCH): Define. + (LD_FINI_SWITCH): Define. + (INIT_NAME_FORMAT): Lose. + (FINI_NAME_FORMAT): Lose. + +Fri Nov 18 22:34:26 1994 Ronald F. Guilmette (rfg@segfault.us.com) + + * crtstuff.c, svr4.h, i860/sysv4.h, m88k/sysv4.h, sparc/sysv4.h + (CTORS_SECTION_ASM_OP): Remove @progbits, add SHF_WRITE. + (DTORS_SECTION_ASM_OP): Ditto. + + * t-svr4, i386/t-sol2, m88k/t-sysv4, sparc/t-sol2 + (CRTSTUFF_T_CFLAGS): Define to -fpic. + +Fri Nov 18 22:33:26 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * gcc.c (LIBGCC_SPEC): New spec. + (link_command_spec): Use LIBGCC_SPEC. + (set_spec): Handle LIBGCC_SPEC. + (process_command): Ditto. + (do_spec_1): %G is LIBGCC_SPEC. + (validate_all_switches): Also validate LIBGCC_SPEC. + + * alpha/alpha.h (LIBGCC_SPEC): Do include libgcc when + creating a shared library. + +Fri Nov 18 22:32:26 1994 Steve Dum (steve_dum@mentorg.com) + + * collect2.c (SUNOS4_SHARED_LIBRARIES): Support scanning the + _DYNAMIC field of SunOS 4 shared libraries directly. + +Fri Nov 18 22:31:26 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * collect2.c (main): For shared libraries, link in stubs even if + there are no constructors or destructors so that static objects + can be added without re-linking everything that uses the library. + (write_c_file_stat): Tweak. + + * configure: Use sunos4.h instead of sparc.h for SunOS 4 targets. + + * sparc/sunos4.h: New file for SunOS 4-specific things. + (SUNOS4_SHARED_LIBRARIES): Define to 1. + * sparc/sparc.h: (LINK_SPEC): Support -shared. + (LIB_SPEC): Ditto. + + * pa/pa-hpux.h (LDD_SUFFIX): New macro. + (PARSE_LDD_OUTPUT): New macro. + (LINK_SPEC): Pass -b if -shared. Don't pass -u main if -shared. + (LIB_SPEC): Don't include if -shared. + + * collect2.c (scan_prog_file): Ignore undefined symbols. + +Fri Nov 18 22:30:26 1994 Steve Dum (steve_dum@mentorg.com) + + * collect2.c (enum pass): Add PASS_LIB. + (is_ctor_dtor): Check for shared library constructor and destructor + functions, too. + (main): Add o_file after any link libraries, too. + Create a shared object if COLLECT_GCC_OPTIONS contains -shared. + Also scan shared libraries for constructors and destructors if + LDD_SUFFIX is defined. + (write_c_file_stat): New function to write out file for a shared + object. + (write_c_file_glob): Renamed from write_c_file. + (write_c_file): Calls one of write_c_file_{stat,glob}. + (scan_prog_file): Update to deal with shared libraries. + (scan_libraries): New function to scan shared libraries for + constructors and destructors. + +Fri Nov 18 19:16:19 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.c (addrs_ok_for_quad_peep): New function. + (output_prolog): Use liu mnemonic. + (registers_ok_for_quad_peep): New function. + * rs6000.md (peepholes for two DF load/store): New peepholes. + +Fri Nov 18 19:10:24 1994 Kresten Krab Thorup (krab@next.com) + + * objc/object.c (class_create_instance): Replace memchr + with memset. + +Fri Nov 18 19:06:15 1994 Doug Evans (dje@cygnus.com) + + * sparc/lite.h: #include "gofast.h" + (INIT_SUBTARGET_OPTABS): Define. + +Fri Nov 18 19:01:51 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (extraclean): Remove *.ps. + +Fri Nov 18 18:53:57 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * cccp.c (create_definition): Allow carriage-return ('\r') + as white space in simple or empty expansion. + +Fri Nov 18 18:30:40 1994 Douglas Rupp (drupp@cs.washington.edu) + + * winnt/ld.c (main): Fix off-by-one error allocating sdbuff. + +Fri Nov 18 18:23:54 1994 Mike Collison (collison@sw.stratus.com) + + * regclass.c (record_reg_classes): For single SET between hard reg + alone in a class and pseudo, ensure reg is the only member of class. + +Fri Nov 18 15:15:27 1994 Jim Wilson (wilson@cygnus.com) + + * sol2.h (MD_STARTFILE_PREFIX): Delete. + +Fri Nov 18 14:16:04 1994 Chris Huey (cah@tactix.rain.com) + + * Makefile.in (objc-parse.y, mostlyclean): Rename temp file + for objc-parse.y to be under 14 characters. + +Thu Nov 17 20:46:15 1994 Doug Evans <dje@cygnus.com> + + VxWorks support from various people at Cygnus. + * config.sub: Vendor for vxworks is wrs. + * configure (i960-wrs-vxworks*): New target. + (m68k-wrs-vxworks*): New target. + (sparc-wrs-vxworks*, sparclite-wrs-vxworks*): New targets. + * i960/t-vxworks960, i960/vx960-coff.h, i960/vx960.h: New files. + * m68k/t-vxworks68, m68k/vxm68k.h: New files. + * sparc/t-vxsparc, sparc/vxsparc.h: New files. + + * h8300/h8300.h (DBX_DEBUGGING_INFO): Define. + (PREFERRED_DEBUGGING_TYPE): Define to SDB_DEBUG. + + * configure (--program-prefix, --program-suffix, + --program-transform-name, -v, -verbose): New arguments. + (as): If gas is in build tree, use it. + (ld, real-ld): Likewise but watch for use_collect. + (program_transform_name): Update Makefile if + --program-transform-name given. + (program_transform_cross_name): Likewise. + * Makefile.in (program_transform_name): Define. + (program_transform_cross_name): Define. + (GCC_INSTALL_NAME, GCC_CROSS_NAME): Define. + (install-common): Use them. + (install-man): Likewise. + (distclean): Delete *.asm. + (stage*, risky-stage*): If as/ld/real-ld exist, copy them to stage dir. + + Embedded target support from various Cygnus people. + * config.sub (sparc): Recognize as a cpu. + (ecoff*, vsta, udi): Recognize as os's. + (udi29k): New alias. + * configure: (a29k-*-udi): New target. + (i[345]86-*-aout*): New target. + (i[345]86-*-coff*): New target. + (i[345]86-*-vsta): New target. + (m68k-*-aout*): New target. + (m68k-*-coff*): New target. + (m88k-*-aout*): New target. + (m88k-*-coff*): New target. + (mipsel-*-ecoff*): New target. + (mips-*-ecoff*): New target. + (mipsel-*-elf*): New target. + (mips-*-elf*): New target. + (mips64el-*-elf*): New target. + (mips64orionel-*-elf*): New target. + (mips64-*-elf*): New target. + (mips64orion-*-elf*): New target. + (sparc-*-aout*): New target. + (sparclite-*-coff*): New target. + (sparclite-*-*): Set tmake_file to sparc/t-sparclite. + (mips*-*-*): Changed from mips-*-*. + * optabs.c (expand_unop): Try subtraction from zero if there isn't a + negate library function. + * config/gofast.h: New file. + * a29k/a29k-udi.h, a29k/t-a29kbare: New files. + * i386/i386-aout.h, i386/i386-coff.h, i386/t-i386bare: New files. + * i386/vsta.h, i386/t-vsta, i386/x-vsta, i386/xm-vsta.h: New files. + * m68k/coff.h: New file (renamed from m68k-coff.h). + * m68k/lynx-ng.h, m68k/lynx.h: Include it. + * m68k/fpgnulib.c, m68k/lb1sf68.asm, m68k/m68kemb.h: New files. + * m68k/m68k-aout.h, m68k/m68k-coff.h, m68k/m68k-none.h: New files. + * m68k/t-m68kbare: New file. + * m88k/m88k-aout.h, m88k/m88k-coff.h, m88k/t-bug: New files. + * mips/ecoff-gdb.h, mips/ecoff.h, mips/ecoffl-gdb.h: New files. + * mips/ecoffl.h, mips/elf.h, mips/elf64.h, mips/elfl.h: New files. + * mips/elfl64.h, mips/elflorion.h, mips/elforion.h: New files. + * mips/t-ecoff: New files. + * sparc/lb1spc.asm, sparc/lb1spl.asm, sparc/litecoff.h: New files. + * sparc/sparc-aout.h, sparc/t-sparcbare, sparc/t-sparclite: New files. + +Thu Nov 17 18:32:24 1994 Torbjorn Granlund (tege@tiny.cygnus.com) + + * cse.c (simplify_binary_operation): Do (x - (x & y)) -> (x & ~y). + +Thu Nov 17 17:26:02 1994 Mark P. Gooderum (mark@good.com) + + * stddef.h: Include <machine/ansi.h> on NetBSD. + Check for _BSD_XXX_T_ as well as _XXX_T_. + Add _BSD_XXX_T_ to list of defines to check and define for a given + type for SIZE_T, PTRDIFF_T, and WCHAR_T. + +Thu Nov 17 11:11:50 1994 Mike Collison (collison@sw.stratus.com) + + * dsp16xx.c (notice_update_cc): Removed reference to obsolete LSHIFT. + * dsp16xx.h (RTX_COSTS): Likewise. + +Thu Nov 17 11:06:43 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (some_operand): New function. + * alpha.h (PREDICATE_CODES): Add `some_operand'. + * alpha.md (addsi3, adddi3): For patterns valid only + during reload, allow operand 1 to be `some_operand'. + + * flow.c (find_auto_inc): Insert missing "return" statement. + + * c-common.c (print_char_table): Allow `L' for `u'. + +Thu Nov 17 10:15:50 1994 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * config.sub: Accept -domain as OS, and make it default for Apollo. + +Wed Nov 16 19:28:46 1994 Jim Wilson (wilson@chestnut.cygnus.com) + + * loop.c (move_movables): For move_insn case, skip notes when deleting + instructions. + +Wed Nov 16 16:13:48 1994 Ian Lance Taylor (ian@cygnus.com) + + * bi-run.h: Always check BITS_BIG_ENDIAN, BYTES_BIG_ENDIAN, and + WORDS_BIG_ENDIAN at run time, never at compile time. + * bytecode.h, combine.c, cse.c, dbxout.c, dwarfout.c: Likewise. + * expmed.c, expr.h, final.c, fold-const.c, function.c: Likewise. + * jump.c, objc-act.c, real.c, real.h, recog.c, reload.c: Likewise. + * reload1.c, sdbout.c, tree.c, varasm.c: Likewise. + * real.c: Replace uses of MIEEE and IBMPC with a compile time + check of IEEE and a runtime check of FLOAT_WORDS_BIG_ENDIAN. + * libgcc.2 (LIBGCC2_WORDS_BIG_ENDIAN): If not defined, define to + WORDS_BIG_ENDIAN. Use it instead of WORDS_BIG_ENDIAN. + * mips-tfile.c (init_file): Initialize fBigendian field based on + HOST_WORDS_BIG_ENDIAN, not BYTES_BIG_ENDIAN. + * config/mips/mips.h (MASK_BIG_ENDIAN): Define, replacing + MASK_UNUSED4. + (TARGET_BIG_ENDIAN): Define. + (TARGET_SWITCHES): Add eb and el. Include TARGET_ENDIAN_DEFAULT + in default value. + (TARGET_ENDIAN_DEFAULT): Define if not defined, based on + DECSTATION. + (CC1_SPEC): Convert -EB to -meb, convert -EL to -mel, and warn if + -EB and -EL are both used. + (CPP_SPEC): If -EB is seen, undefine MIPSEL, _MIPSEL, __MIPSEL and + __MIPSEL__, and define _MIPSEB, __MIPSEB, __MIPSEB__ and MIPSEB + (the last only if -ansi was not seen). Similarly if -EL is seen. + (REAL_ARITHMETIC): Define. + (BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Base on TARGET_BIG_ENDIAN. + (LIBGCC2_WORDS_BIG_ENDIAN): Define. + (CONST_COSTS): Use split_double in CONST_DOUBLE case. + * config/mips/mips.c (mips_move_2words): Use split_double rather + than CONST_DOUBLE_LOW and CONST_DOUBLE_HIGH. + (output_block_move): Check BYTES_BIG_ENDIAN at run time, not + compile time. + (print_operand): Check WORDS_BIG_ENDIAN, rather than using + MOST_SIGNIFICANT_WORD and LEAST_SIGNIFICANT_WORD. + * config/mips/t-mips (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES, LIBGCC, INSTALL_LIBGCC): Define to build both + big and little endian versions of libgcc.a. + * config/mips/t-mips-gas: LIkewise. + * config/mips/dec-bsd.h (CPP_SPEC): Same change as in mips.h. + * config/mips/dec-osf1.h (CPP_SPEC): Likewise. + * config/mips/iris3.h (CPP_SPEC): Likewise. + * config/mips/iris5.h (CPP_SPEC): Likewise. + * config/mips/osfrose.h (CPP_SPEC): Likewise. + (CC1_SPEC): Same change as in mips.h. + +Wed Nov 16 16:04:21 1994 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Remove unnecessary comparisons of ibp to limit. + +Wed Nov 16 07:48:17 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * regclass.c (record_reg_classes): Handle case of single SET + between a hard register alone in a class and a pseudo. + + * tree.c (integer_{zero,one,all_ones,pow2}p): Handle COMPLEX_CST. + (real_{zero,one,two}p): Likewise. + + * gcc.c (main): For -V output, give both driver and compiler + versions, if they differ. + + * toplev.c (rest_of_compilation): Always rerun jump_optimize + after CSE if -O2. + + * fold-const.c (fold): If moved conversion into COND_EXPR, + leave it there if it is an integral conversion to word or narrower. + (fold, case NOP_EXPR): Ignore conversion to same type as operand. + (fold, case COND_EXPR): Make third operand the simplest. + + * expr.c (convert_move): Don't put FROM in a register if it + is a SUBREG. + (store_expr): If don't want a value and storing into promoted + variable, do conversion at tree level; don't copy volatile MEM + unless want value, as comment says. + +Tue Nov 15 20:02:34 1994 Doug Evans (dje@cygnus.com) + + * varasm.c (named_section): New argument decl, all callers changed. + * h8300/h8300.h, sh/sh.h, sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): + New arg DECL. + +Mon Nov 14 15:07:19 1994 Jason Merrill <jason@phydeaux.cygnus.com> + + * tree.h (POINTER_TYPE_P): New macro. + * m68k/m68kv4.h, m68k/mot3300.h (FUNCTION_VALUE): Use + POINTER_TYPE_P rather than checking the type against + POINTER_TYPE (to include references). + * function.c (init_function_start): Ditto. + + * alpha/alpha.h (FUNCTION_VALUE): Use INTEGRAL_MODE_P rather than + checking the type against various integral and pointer types. + + * m68k/{3b1,3b1g,crds,mot3300}.h: Don't define __PTR_TO_INT and + __INT_TO_PTR. + * m68k/xm-{3b1,crds,mot3300}.h: Define __PTR_TO_INT and __INT_TO_PTR. + +Tue Nov 15 19:29:04 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * tree.c (staticp): A non-nested function is always static. + +Tue Nov 15 19:12:03 1994 Jim Meyering (meyering@comco.com) + + * Makefile.in (specs, float.h-cross, xlimits.h): Use temporary instead + of redirecting output directly to make target. + ($(MD_FILE), xsys-protos.h): Likewise. + (mostlyclean): Remove any of these temporaries. + (libgcc2.a): Add missing semicolon in commented code that could cause + a /bin/sh syntax error if uncommented. + +Tue Nov 15 19:07:00 1994 Warner Losh (imp@village.org) + + * i386/freebsd.h (NO_IMPLICIT_EXTERN_C): Define. + +Tue Nov 15 19:00:55 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reorg.c (redundant_insn): Renamed from redundant_insn_p; all + callers changed. + +Tue Nov 15 18:57:46 1994 Jim Wilson (wilson@chestnut.cygnus.com) + + * reorg.c (relax_delay_slots): When invert a conditional jump over a + single unconditional jump, invert the INSN_FROM_TARGET_P bit of insns + in the delay slots. + + * reorg.c (redundant_insn_p): Change return type to rtx. Return the + redundant insn instead of true. + (update_reg_unused_notes): New function. + (fill_slots_from_thread): Call update_reg_unused_notes after one of + the redundant_insn_p calls. + +Tue Nov 15 18:39:33 1994 Torbjorn Granlund (tege@tiny.cygnus.com) + + * expmed.c (expand_divmod, case ROUND_DIV_EXPR): Implement. + * expr.c (do_jump_by_parts_greater_rtx): No longer static. + (expand_expr): Delete code for plain `abs'. + * optabs.c (expand_abs): New function, code moved from expand_expr. + * expr.h: Declare expand_abs. + +Tue Nov 15 12:11:26 1994 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * pa.c (output_cbranch): Improve code for short backwards branch + with an unfilled delay slot. + (output_bb, output_dbra, output_movb): Likewise. + +Tue Nov 15 09:55:31 1994 Doug Evans (dje@cygnus.com) + + * jump.c (delete_insn): Delete labels in ADDR_VECs and + ADDR_DIFF_VECs if their use count becomes zero. + * flow.c (flow_delete_insn): New function. + (find_basic_blocks): Call it to physically delete insns in + unreachable blocks. When scanning blocks after dead ones, + start scanning after the dead one (not at the dead one). + If there are lots of unreachable blocks, make another pass to squeeze + them out (this reduces memory usage in some pathalogical cases by a + significant amount without resorting to sparse matrices). + (propagate_block): Make code a bit more efficient (for example, + no need to test `loop_depth' for each insn, just notes). + +Tue Nov 15 09:42:31 1994 Lynn Shumaker (shumaker@saifr00.ateng.az.honeywell.com) + + * function.c (assign_stack_temp): Compute size of slot after + assign_stack_local has accounted for alignment. + +Mon Nov 14 23:47:20 1994 Torbjorn Granlund (tege@tiny.cygnus.com) + + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow + (lo_sum (reg) (unspec (symref))). + + * pa.md (pic2_lo_sum): New pattern matching when -fPIC using UNSPEC. + * pa.c (legitimize_pic_address): Generate an insn matching + pic2_lo_sum when -fPIC. + + * pa.md (pic_highpart): Add missing mode for PLUS. + (add_high_const): Likewise. + + * pa.md (matcher for plain lo_sum): Call abort if this happens + when generating pic or PIC. + +Mon Nov 14 23:47:20 1994 Jeffrey A. Law (snake.cs.utah.edu) + + * Automatic generation of inline long call sequences when needed. + * pa.h (TARGET_LONG_CALLS): Delete. Replace all uses of with + TARGET_PORTABLE_RUNTIME. + (TARGET_MILLICODE_LONG_CALLS): New target flag. + * pa.c (output_function_prologue): Keep track of the total number + of code bytes emitted for each source file. + (output_call): Handle TARGET_PORTABLE_RUNTIME and millicode calls + for TARGET_MILLICODE_LONG_CALLS. Emit an inline long-call if + needed. If emitting an inline long-call, perform argument relocations + before the call if they are needed, unfill the delay slot of the + call if necessary. + * pa.md (define_delay for millicode): Disable the delay slot if + TARGET_MILLICODE_LONG_CALLS. + (millicode insns and indirect calls): Properly compute length for + both TARGET_PORTABLE_RUNTIME and TARGET_MILLICODE_LONG_CALLS. + (call_internal_symref): Properly compute the length when more + than 240000 bytes of code have already been output. Take + TARGET_MILLICODE_LONG_CALLS into account in the length + computation. + + * pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define. + (ASM_FILE_END): Delete unneeded definition. + + * Fast indirect call support. + * pa.h (TARGET_FAST_INDIRECT_CALLS): New target switch. + (TARGET_SWITCHES): Add "fast-indirect-calls" and inverse. + * pa.md (call_internal_reg, call_value_internal_reg): Generate + appropriate code for TARGET_FAST_INDIRECT_CALLS. + + * PA PIC support. + * pa.c (secondary_reload_class): Refine. Readonly data needs a + secondary reload only during PIC generation. Loading a floating + point register with a constant requires a register from R1_REGS + during -fPIC code generation. + (read_only_operand): Constant pool entries are no longer read only + during PIC code generation. + (hppa_legitimize_address): If flag_pic is nonzero, then + immediately call legitimize_pic_address. + (emit_move_sequence): Call legitimize_pic_address to handle + constant data. Handle secondary reloads for PIC. Use + pic_label_operand rather than open coding the test. Handle + loading a LABEL_REF when generating PIC. + (legitimzie_pic_address): Handle constant data addressing for PIC + here. Fix loading of symbolic addresses for -fPIC generation. + (pic_label_operand): Renamed from pic_operand. Handle any read + only operand (such as constant data). Reject function addresses, + Accept SYMBOL_REF with the read-only bit set. Generalize to + handle (const (plus (reg) (int))). + (finalize_pic): Delete unused function. + (check_pic): Delete function. + (pic_pc_rtx): Delete variable definition. + (current_function_uses_pic_offset_table): Delete extern decl. + (force_reg, validize_mem): Likewise. + (output_global_address): Don't tack on "-$global$" when generating + PIC code. + (finalize_pic): Don't emit code for initialization of + hppa_save_pic_table_rtx here. Don't claim we USE + pic_offset_table_rtx at function end. + * pa.h (SELECT_RTX_SECTION): Define. During PIC generation + everything (in the constant pool) goes into the data space. + (PRINT_OPERAND_ADDRESS): Handle CONST_INTs during PIC + generation. Handle LO_SUM address during -fPIC generation. + (LEGITIMATE_CONSTANT_P): Reject function labels when generating + PIC code. + (GO_IF_LEGITIMATE_ADDRESS): Only accept pic_reg + SYMBOL_REF for + -fpic. + (EXTRA_SECTION_FUNCTIONS): For -fpic, use the TEXT section for + constants to avoid GAS lossage. + (OVERRIDE_OPTIONS): Delete. + (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define. + (FINALIZE_PIC): Delete definition. + (INIT_EXPANDERS): Define. Clear hppa_save_pic_table_rtx here. + * pa.md: Use !flag_pic rather than calling check_pic. + (HImode high and lo_sum): Only accept const_int_operands. + (pic_load_label): Force output to be in %r1. + (pic_highpart): New pattern. Output must go into %r1. More + linker trickery. + (symbolic high and lo_sum): Disallow during PIC generation if + source is a symbolic operand. Handle CONST_INT LO_SUM during PIC + generation. Simplify. + (define_split for symbolic_operand load): Do not accept a symbolic + operand that is a pic_label_operand. + (pic_load_label): Name this pattern. Mask least significant bits + and optimize when a simple label is within reach of an ldo. + (call, call_value): Emit new-style USE information for + pic_offset_table_rtx. Emit code for initialization of + hppa_save_pic_table_rtx and wrap it into push_topmost_sequence() + and pop_topmost_sequence() calls. + + * Various PA configuration cleanups. + * configure (hppa*-*-h[pi]ux): Use xm-pahpux.h and x-pa-hpux instead + of the redundant hiux files. Likewise for t-pa instead of t-pa-hpux. + * config/pa/xm-pahiux.h: Delete. It's identical to xm-pahpux.h. + * config/pa/x-pa-hiux: Delete. It's idential to x-pa-hpux. + * config/pa/x-pa (TAROUTOPTS): Delete. It was an HPUX host + conditional, and x-pa is a BSD host target fragment. + (INSTALL_HEADERS): Define. + (STMP_FIXPROTO): Define. + * config/pa/t-pa (INSTALLED_H): Delete. + * config/pa/t-pa-hpux: Delete, it's identical to t-pa. + * config/pa/pa-hiux.h: Include "pa/pa-hpux.h" and just override + the CPP predefines. + (CPP_PREDEFINES): Add -A assertions. + * config/pa/{pa1-hiux.h, pa-ghiux.h, pa1-ghiux.h}: Likewise. + * config/pa/pa-ghpux.h: Simplify by including pa-hpux.h. + (DBX_DEBUGGING_INFO): Define. + (DEFAULT_GDB_EXTENSIONS): Define. + +Mon Nov 14 19:16:00 1994 Dennis Glatting <war04!dennisg@kerby.ocsg.com> + + * fixincludes: Fixes for NextStep 3.2. Remove ``__const__'' from + sin and cos prototypes in ansi/math.h. Remove keyword ``template'' + from bfd/libc.h. Remove ``volatile'' from abort in bsd/libc.h + and abort and exit in ansi/stdlib.h. + +Mon Nov 14 18:54:28 1994 Douglas Rupp (drupp@cs.washington.edu) + + * i386/x-winnt (EXTRA_PROGRAM): Match target name. + +Mon Nov 14 18:48:21 1994 Torbjorn Granlund (tege@tiny.cygnus.com) + + * freebsd.h (INCLUDE_DEFAULTS): Move definition beyond + FREEBSD_NATIVE conditional. + (FUNCTION_PROFILER): Move down to make file more similar to + netbsd-i386.h. + (DEFAULT_TARGET_MACHINE, etc): Comment our this braindamage! + +Mon Nov 14 18:46:18 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (expand_call): If IS_CONST and VALREG == 0, end our + sequence and emit the insns. + +Sat Nov 12 06:35:42 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Version 2.6.2 released. + +Sat Nov 12 06:35:21 1994 Torbjorn Granlund (tege@cygnus.com) + + * expmed.c (expand_divmod, case TRUNC_DIV_EXPR): Promote signed + division by 0x80000000 to unsigned. + +Fri Nov 11 17:07:35 1994 Michael Meissner (meissner@osf.org) + + * c-common.c (decl_attributes): Add double-underscore version of + printf and scanf for format type. + +Fri Nov 11 16:38:04 1994 Jim Wilson (wilson@chestnut.cygnus.com) + + * mips-tdump.c: Include <time.h>. Delete ctime prototype. + +Fri Nov 11 14:16:00 1994 Holger Teutsch <holger@hotbso.rhein-main.de> + + * clipper.md (movsi+1): Allow r->m move during reloading. + +Fri Nov 11 12:40:51 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-decl.c (duplicate_decls): Properly merge decls with + differing DECL_CONTEXT. + + * function.c (preserve_rtl_expr_result): find_temp_slot_from_address + now used. + Don't bring the temp slot to an inner level than it was. + (assign_stack_temp): Always initialize p->rtl_expr. + + * m68k/mot3300g.h (SPACE_AFTER_L_OPTION): Deleted. + +Thu Nov 10 18:50:52 1994 Kresten Krab Thorup (krab@next.com) + + * objc/list.h: Add ifndef/define for repeated inclusion. + +Thu Nov 10 18:02:58 1994 Michael Meissner <meissner@pasta.osf.org> + + * c-common.c (decl_attributes): Check for attributes with leading + and trailing double underscores. + +Thu Nov 10 17:55:07 1994 Chris Metcalf (metcalf@catfish.lcs.mit.edu) + + * fixincludes: Make argument type const for popen and tempnam in + stdio.h and for strdup in string.h, for OSF/1 V3.0. + + * va-alpha.h (va_arg): Add cast to void * to suppress warning. + +Thu Nov 10 17:48:21 1994 Walter Misar (hrz.th-darmstadt.de) + + * m68k/hp320.h (FUNCTION_{PRO,EPI}LOGUE): Don't define. + (IMMEDIATE_PREFIX, REGISTER_PREFIX): Define. + +Thu Nov 10 15:04:57 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * m68k/crds.h (FUNCTION_{PRO,EPI}LOGUE): Add code to adjust stack + when no frame pointer. + * m68k.c (output_function_epilogue): Use a1 as scratch, not a0. + * m68k/tower-as.h (FUNCTION_{PRO,EPI}LOGUE): No longer defined. + (FUNCTION_EXTRA_EPILOGUE): Define. + * m68k/tower.h (REGISTER_PREFIX, IMMEDIATE_PREFIX): Define. + + * i386/x-sco, i386/x-sco4 (CLIB): Add -lPW. + (ALLOCA): Delete. + + * c-common.c ({print,scan}_char_table): Allow `L' modifier + for integer output formats. + (check_format_info): Treat `ll' like `q'. + + * rs6000.md (movsi): In TOC symbol case, use "la" for PowerPC. + (movdi): Handle TOC symbol just like movsi. + + * objc-act.c (init_objc): Add missing casts to args of bcopy. + (lang_init): Ensure line number is 0, not -1. + +Tue Nov 8 07:51:53 1994 Paul Eggert <eggert@twinsun.com> + + * cccp.c (dump_single_macro, dump_defn_1): If -traditional, + dump macros in traditional style. This also avoids a bogus error + message if the macro uses traditional stringizing. + +Mon Nov 7 21:28:13 1994 Michael I Bushnell <mib@geech.gnu.ai.mit.edu> + + * protoize.c [!POSIX]: Only define O_RDONLY and O_WRONLY if not + already defined. + +Mon Nov 7 19:33:31 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * combine.c (try_combine): Update split_code after converting MULT + to ASHIFT. + +Mon Nov 7 12:26:24 1994 Torbjorn Granlund <tege@cygnus.com> + + * rs6000.md (DImode load-with-update matcher): Fix typo in MEM mode. + (compare patterns): Fix several typos, SImode => CCmode. + * sh.md (subdi3): Delete % from constraints. + * 1750a.md (subqi3): Likewise. + * clipper.md (subdi3): Likewise. + * i370.md (subqi3): Likewise. + (anonymous subqi3 matcher): Likewise. + * i860.md (subdi3): Likewise. + * dsp16xx.md (mulqi3): Fix typo in MULT mode. + * elxsi.md (one_cmplsi2): Fix typo in NOT mode. + +Mon Nov 7 12:47:37 1994 Ian Lance Taylor <ian@cygnus.com> + + * m68kv4.h (ASM_IDENTIFY_GCC): Use proper definition for SGS assembler. + +Mon Nov 7 11:02:25 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (process_command): Ignore LIBRARY_PATH and LPATH if + cross-compiler. + +Sun Nov 6 07:23:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cross-test.c (foo): Return value for BU in range for shifts. + +Sat Nov 5 14:25:36 1994 Jim Wilson (wilson@chestnut.cygnus.com) + + * m68k.h (PREFERRED_RELOAD_CLASS): FP constants rejected by 'G' + are OK for class FP_REGS. + +Sat Nov 5 14:08:31 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (store_one_arg): Preserve any temp slots whose address + may have been taken. + + * real.c (GET_REAL, PUT_REAL): Cast args to bcopy to char *. + * reload1.c (reload): Likewise. + * i386.c ({save,restore}_386_machine_status): Likewise. + * reg-stack.c (subst_asm_stack_regs): Likewise. + (BLOCK_NUM): Rework to avoid cast of abort to int *. + (find_blocks): Don't use BLOCK_NUM on lhs. + (reg_to_stack, record_arg_reg_life): Cast arg to bzero to char *. + +Sat Nov 5 08:29:45 1994 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Do not preserve newlines after macro name + if rescanning a macro expansion. Instead, preserve them if + not outputting marks. + +Fri Nov 4 17:25:29 1994 John David Anglin (dave@hiauly1.hia.nrc.ca) + + * vax.c: Include tree.h and VMS-specific functions #ifdef VMS_TARGET. + * vms.h (VMS_TARGET): Define. + +Fri Nov 4 17:19:30 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * bi-arity.c (main): Cast enum to char in output. + * bc-emit.c (bc_emit_bytecode): Add missing cast. + +Thu Nov 3 14:17:22 1994 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__register_exceptions): Find max ending of a segment for + end, not min. + * libgcc2.c (__unwind_function): New function to support stack + unwinding on i[34]86 for g++ exception handling. + +Thu Nov 3 18:55:42 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (c-parse.o, c-lex.o): c-parse.h is in $(srcdir). + +Thu Nov 3 18:11:56 1994 John F Carr (jfc@mit.edu) + + * rs6000.md (movsi): New alternative for SYMBOL_REF source operand. + * rs6000.c (print_operand): New code '*' to print TOC register number. + * rs6000.h (EXTRA_CONSTRAINT): 'R' matches a SYMBOL_REF for TOC entry. + (PRINT_OPERAND_PUNCT_VALID_P): Recognize '*'. + (PREDICATE_CODES): input_operand can now match SYMBOL_REF. + +Thu Nov 3 18:03:24 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * cccp.c: TOOL_INCLUDE_DIR is not C++-aware. + +Thu Nov 3 17:23:30 1994 Jim Wilson (wilson@chestnut.cygnus.com) + + * mips.c (mips_output_external): Exclude alloca from list of + used external functions. + +Tue Nov 1 19:19:41 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Version 2.6.1 released. + +Tue Nov 1 18:51:00 1994 Torbjorn Granlund (tege@cygnus.com) + + * pa.md (add_high_const): Add missing mode for PLUS. + +Tue Nov 1 18:39:53 1994 Stephen L Moshier (moshier@world.std.com) + + * cse.c (simplify_unary_operation, case TRUNCATE): Set LV and HV. + +Tue Nov 1 18:36:23 1994 Pat Rankin (rankin@eql.caltech.edu) + + * vax.c (struct extern_list): Put code back outside of #ifdef VMS. + (vms_check_external, vms_flush_pending_externals): Likewise. + +Mon Oct 31 16:18:12 1994 Michael Meissner <meissner@pasta.osf.org> + + * i386/i386.md (movsf, movdf, movxf): If we are moving floating + point constants to a non-memory location that aren't 0 or 1, + assume we need the pic register if -fpic. + +Mon Oct 31 13:26:45 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * sparc.h (GO_IF_LEGITIMATE_ADDRESS): Don't allow TFmode LO_SUM. + * sparc.md (movtf+3): Disable pattern. + +Mon Oct 31 08:11:47 1994 Doug Evans <dje@canuck.cygnus.com> + + * expr.c (expand_expr, COND_EXPR case): Don't use original target as + a temp if it's a volatile mem ref. Finish previous patch (don't + expand "X ? A & 1 : A" as "A & (X != 0)"). + +Mon Oct 31 08:07:09 1994 Pat Rankin (rankin@eql.caltech.edu) + + * vax.c: Include tree.h #ifdef VMS. + (struct extern_list): Move inside #ifdef VMS; add SIZE and IN_CONST + fields; make `extern_head' static; add second list head. + (vms_check_external): Move inside #ifdef VMS; give new args; maintain + list of both pending external symbols and previously defined ones. + (vms_flush_pending_externals): New function. + * vax/vms.h (ASM_GLOBALIZE_LABEL): Pass new args to vms_check_external. + (ASM_OUTPUT_EXTERNAL): Just call vms_check_external. + (ASM_{,FINISH_}DECLARE_OBJECT_NAME, ASM_FILE_END): Define. + +Mon Oct 31 08:00:59 1994 Michael Gschwind (mike@vlsivie.tuwien.ac.at) + + * pdp11.h (TARGET_SWITCHES): Add -split and -no-split. + (TARGET_SPLIT, TARGET_NOSPLIT): New macros. + (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Abort if -split. + +Mon Oct 31 07:53:34 1994 Warner Losh <imp@village.org> + + * i386/x-freebsd (CLIB): Add definition. + +Mon Oct 31 07:49:17 1994 Jeffrey A Law <law@snake.cs.utah.edu> + + * reorg.c (mark_set_resources): Properly handle SUBREGs. + +Mon Oct 31 07:24:32 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_expr, case COMPONENT_REF): Don't extract + field from a CONSTRUCTOR if it already has a TREE_CST_RTL. + (expand_expr, case ADDR_EXPR): Call mark_temp_addr_taken + on the temporary made when operand needs to be stored into memory. + * function.c (preserve_temp_slots): Preserve anything whose + address was taken when X is zero. + +Sun Oct 30 15:11:51 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * msdos/top.sed, i386/config-nt.sed: Update version to 2.6.1. + * pa/t-pa-hpux: Add missing newline at end. + +Sat Oct 29 21:16:29 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (operand_subword): Fix typo: HOST_BITS_PER_INT + should be HOST_BITS_PER_WIDE_INT. + +Fri Oct 28 19:13:13 1994 Andrew McCallum (mccallum@vein.cs.rochester.edu) + + * objc/misc.c (__objc_xcalloc): Use calloc instead malloc/bzero. + +Fri Oct 28 19:07:53 1994 Michael Gschwind (mike@vlsivie.tuwien.ac.at) + + * pdp11.h (TRAMPOLINE_SIZE): Install real implementation. + (INITIALIZE_TRAMPOLINE, TRAMPOLINE_TEMPLATE): Likewise. + +Fri Oct 28 19:01:27 1994 Craig Burley (burley@gnu.ai.mit.edu) + + * Makefile.in (stage?-start): Add semicolon between fi and done. + +Fri Oct 28 17:12:26 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (cse_insn): Don't record a DEST if paradoxical SUBREG + and SRC is a SIGN_EXTEND or ZERO_EXTEND. + + * alpha.md (reload_outqi): Correctly handle scratch assignments + for unaligned case when ADDR is a REG. + +Fri Oct 28 07:55:40 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.md (adddi3): Fixup code in case operands[0] is equal + to operands[2]. + +Thu Oct 27 18:58:39 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (count_possible_groups): Fix typo in setting + counted_for_groups. + +Thu Oct 27 15:30:41 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * c-typeck.c (process_init_element): In the case of + [LO .. HI] = VALUE, use save_expr to only evaluate VALUE once. + +Thu Oct 27 15:15:25 1994 Torbjorn Granlund (tege@rtl.cygnus.com) + + * gcc.c (process_command): Don't forget to split -Wl arguments at + commas. + + * gcc.c (process_command): Handle -Wl, and -Xlinker similar to -l, + i.e., preserve their order with respect to linker input files. + +Thu Oct 27 13:11:16 1994 Douglas Rupp (drupp@cs.washington.edu) + + * configure (i[345]86-*-winnt3*): Allow any version 3.x. + Don't use a t-winnt file and move x-winnt to config/i386. + * i386/x-winnt: Build ld-winnt.exe only on host. + * winnt/t-winnt: Deleted. + +Thu Oct 27 13:05:16 1994 Mike Collison (collison@chianti.sw.stratus.com) + + * reload.c (debug_reload): New function to print reload info + set up by find_reloads. + +Wed Oct 26 18:27:03 1994 David Mosberger-Tang <davidm@piston.cs.arizona.edu> + + * alpha.h (FUNCTION_PROFILER): Use $28 instead of $27. + (LINK_SPEC): Pass -pg to linker. + (LIB_SPEC): Link in -lprof1 with -pg, not -lprof2. + (STARTFILE_SPEC): USe gcrt0.o if -pg, not mcrt0.o. + +Wed Oct 26 18:22:34 1994 Doug Evans (dje@cygnus.com) + + * expr.c (expand_expr, COND_EXPR case): Don't expand + "X ? A & 1 : A" as "A & (X != 0)". + +Wed Oct 26 18:06:52 1994 Douglas Rupp (drupp@cs.washington.edu) + + * winnt/ld.c (expand_lib, main): Fix off-by-one bugs in several + calls to malloc. + +Wed Oct 26 22:00:09 1994 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * winnt/t-winnt: Remove some spurious blank lines. + +Wed Oct 26 14:14:39 1994 Michael Meissner (meissner@osf.org) + + * i386/osfrose.h (REAL_NM_FILE_NAME): Use /usr/ccs/gcc/bfd-nm + instead of /usr/ccs/bin/nm, since the GNU nm does not output stab + symbols by default. + +Wed Oct 26 13:47:06 1994 Michael Gschwind (mike@vlsivie.tuwien.ac.at) + + * config.sub (pdp11): New machine name. + * configure (pdp11-*-*): New configuration. + * pdp11.c, pdp11.h, pdp11.md, xm-pdp11.h: New files. + +Wed Oct 26 07:33:40 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (find_basic_blocks): Ensure each live basic block is + actually reachable. + (life_analysis): Clean up handling of basic_block_drops_in. + +Tue Oct 25 18:40:12 1994 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): ".." no longer terminates a preprocessing + number, since that's incompatible with the C standard. + +Tue Oct 25 16:16:40 1994 Michael Dobson (dobson@info.usuhs.mil) + + * we32k.h (CPP_PREDEFINES): Define u3b2, not u3b. + +Tue Oct 25 16:15:27 1994 Jim Wilson (wilson@cygnus.com) + + * reorg.c (fill_slots_from_thread): Update THREAD if it is split. + +Mon Oct 24 00:12:46 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * toplev.c (lang_options): Add -f{no-,}access-control. + +Mon Oct 24 06:14:03 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * arm/arm.md (peepholes for call followed by branch): Disable. + +Sun Oct 23 08:54:27 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * arm/x-riscix (INSTALL): Invoke install.sh with -c flag. + +Fri Oct 21 00:42:08 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * Makefile.in (LIB2FUNCS): Add _pure. + + * libgcc2.c (__pure_virtual): New function to go into vtable + entries for pure virtual methods instead of abort. + +Thu Oct 20 18:40:36 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.md (define_split comparison op with power of two minus 1): + Fix typo. + +Thu Oct 20 13:14:24 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * collect2.c (add_to_list): Check for duplicates. + + * alpha/alpha.h (LINK_SPEC): Pass -shared through; don't + pass -init __main if -shared. + (STARTFILE_SPEC): Wrap startfiles in %{!shared:}. + (INIT_NAME_FORMAT): Define. + (FINI_NAME_FORMAT): Define. + * alpha/osf12.h (LINK_SPEC): Ditto. + * alpha/gdb-osf12.h: #include osf12.h instead of alpha.h + + * gcc.c (STARTFILE_SPEC): Wrap startfiles in %{!shared:}. + +Thu Oct 20 16:07:46 1994 Jim Wilson (wilson@cygnus.com) + + * unroll.c (loop_iterations): Move all failure exits after the + computation of final_value. + + * mips.md (movdf_internal2+1): Disable when TARGET_64BIT. + + * i960.c (VARARGS_STDARG_FUNCTION): New macro. + (i960_function_name_declare, output_function_profiler, + i960_function_epilogue, i960_output_call_insn, i960_output_ret_insn, + i960_reg_parm_stack_space): Use it. + (compute_frame_size): Don't use current_function_pretend_args_size. + (i960_function_arg_advance, i960_function_arg): Don't use parameter + named. + (i960_setup_incoming_varargs): No need to adjust first_reg_offset + after setting it. Don't save last named argument to stack. + Don't set pretend_size. + * i960.h (SIGNED_CHAR_SPEC): Use #if instead of ?:. + * va-i960.h (va_start): Use builtin_arts_info instead of + builtin_next_arg. + + * cse.c (merge_equiv_classes, cse_insn): Call rehash_using_reg + after insert_regs. + (canon_hash): Don't use qty_const to compute hash code for a + register. + +Thu Oct 20 09:41:51 1994 Richard Kenner (kenner@vlsi1.ultra.nyu) + + * stor-layout.c (variable_size): Return SIZE if it contains + a PLACEHOLDER_EXPR. + +Tue Oct 18 19:51:24 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * collect2.c (main): Check REAL_*_FILE_NAME first. + +Wed Oct 19 15:55:15 1994 David J. MacKenzie <djm@duality.gnu.ai.mit.edu> + + * config.sub: Add licensing exception for Autoconf. + +Wed Oct 19 06:43:46 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.h (FUNCTION_BLOCK_PROFILER): Don't bother preserving + eax if -fpic, since it is a call clobbered register anyway. Fix -fpic + code so that it is correct. + +Tue Oct 18 18:00:23 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Move + macros here from osfrose, netbsd, and freebsd ports. Remove + assumptions that the assembler is gas. Rewrite and fix the + instructions produced with -fpic. + + * i386/osfrose.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete. + * i386/freebsd.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete. + * i386/netbsd-i386.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): + Delete. + +Tue Oct 18 20:27:29 1994 Doug Evans (dje@cygnus.com) + + * sparc.h (FRAME_POINTER_REQUIRED): Require frame pointer if + non-leaf flat function. + * sparc.c (sparc_frame_info): Combine members gp_sp_offset and + fp_sp_offset into reg_offset. All uses changed. + (RETURN_ADDR_REGNUM): New macro. + (RETURN_ADDR_MASK, FRAME_POINTER_MASK): New macros. + (sparc_flat_compute_frame_info): Rename local mask to gmask. + Only ensure reg save area is 8 byte aligned if necessary. + (sparc_flat_save_restore): New arguments base_reg, offset, gmask, + and fmask. All callers changed. No longer use %g2 to save regs + in big stack frames. + (sparc_flat_output_function_prologue): Delete local tsize. + Reorder storing of previous frame pointer and return address reg to + make it easier for gdb to identify flat functions. Decrement %sp + twice when saving call-saved regs in big frames. + Count fp regs as 4 bytes in assembler comment. + (sparc_flat_output_function_epilogue): Likewise when restoring + call-saved regs. + +Tue Oct 18 19:33:55 1994 Mike Collison (collison@sw.stratus.com) + + * reload1.c (reload): Correctly compute group additional needs when + the return register cannot be used as a spill register. + +Tue Oct 18 16:17:26 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * mips.h (ASM_SPEC): Pass -mcpu= option to GNU as. + +Tue Oct 18 08:39:49 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (propagate_block): Call mark_used_regs to show global regs + used by call. + * combine.c (can_combine_p): Don't combine into CALL_INSN where + DEST is a global reg. + + * c-decl.c (start_function): Save immediate_size_expand + and initialize it to zero in case nested function. + + * pa.c (non_hard_reg_operand): New function. + * pa.md (reload_{in,out}*): Replace general_operand with + non_hard_reg_operand. + +Fri Oct 14 18:35:30 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * gcc.c (default_compilers): Treat files with an extension of .c++ + as C++ code. + +Mon Oct 17 19:21:57 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * configure (rs6000-ibm-aix4.1*): New configuration. + * rs6000/aix41.h: New file. + +Mon Oct 17 19:15:14 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * va-mips.h (va_arg): Add little endian mips3 support. + + * sparc.h (RETURN_IN_MEMORY): Return true for TCmode values. + + * README.IRIX5: Delete. + * install.texi: Update Irix 5 debugging info. + + * mips.c (function_prologue): Only emit line number when SDB_DEBUG. + + * configure: Delete new argument, --noguess. Default build from + host if host specified, otherwise guess build. Fix typo in + setting build from host. + +Mon Oct 17 15:54:56 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * calls.c (expand_call, emit_library_call, emit_library_call_value): + Allways adjust current_function_outgoing_args_size, even #ifndef + ACCUMULATE_OUTGOING_ARGS. (Useful for stack overflow checking.) + * function.c (current_function_outgoing_args_size): Update comment. + +Mon Oct 17 18:49:01 1994 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Preserve newlines after macro names at the top level + since this is more likely to do the right thing with line numbers. + +Mon Oct 17 11:31:42 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (gen_reload): Renamed from gen_input_reload. + (emit_reload_insns): Delete SECONDARY_MEM_NEEDED case for input + reloads that can't happen and doesn't work. + Fix errors in use of reload_outxx insns. + Simplify output reload code by using gen_reload. + * reload.h (gen_reload): Renamed from gen_input_reload. + +Mon Oct 17 09:26:57 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * unroll.c (copy_loop_body, case JUMP_INSN): Don't abort if invert_exp + fails. Instead, redirect the jump around an unconditional branch. + +Sun Oct 16 05:02:23 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * emit-rtl.c (add_insn_{before,after}): Don't abort because AFTER was + deleted when not optimizing. + +Fri Oct 14 19:26:28 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.c (emit_move_sequence): Handle secondary reload when loading + a constant into SAR. + +Fri Oct 14 10:29:31 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * fixincludes: Fix X11/Intrinsic.h for RISCiX to remove ___type from + XtOffset. + Add all files that receive special attention to REQUIRED, so that + dependent copies are done if necessary. + + * getpwd.c: Always use getwd if HAVE_GETWD is defined. + * arm/xm-arm.h: Define HAVE_GETWD. + + * arm/x-riscix, arm/t-riscix: New files + * configure (arm-*-riscix*): Use them. + +Thu Oct 13 17:12:27 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * i960.md (call, call_internal, call_value, call_value_internal): + Use memory_operand not general_operand. + + * optabs.c (expand_fix): Correct typo with FIX/UNSIGNED_FIX + REG_NOTES. + +Thu Oct 13 10:44:32 1994 Ian Lance Taylor (ian@cygnus.com) + + * genattrtab.c (optimize_attrs): Don't do anything if + num_insn_ents is zero. + +Wed Oct 12 19:06:48 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * mips/mips.c (mips_expand_prologue): Handle types that need + constructing. Rename TYPE to PASSED_TYPE and use consistently. + +Wed Oct 12 11:32:05 1994 Ian Lance Taylor (ian@cygnus.com) + + * genattrtab.c (num_insn_ents): New static variable. + (remove_insn_ent): Decrement num_insn_ents. + (insert_insn_ent): Increment num_insn_ents. + (optimize_attrs): Use xmalloc to allocate all the attr_value_list + structures at once, rather than using alloca for each one. + +Wed Oct 12 09:17:34 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * optabs.c (??hf2_libfunc): Define like ??sf2_libfunc. + (emit_float_lib_cmp): Call HFmode library functions. + (init_optabs): Set names for HFmode comparison functions. + * expr.h (??hf2_libfunc): Add declarations, like ??sf2_libfunc. + +Tue Oct 11 19:20:48 1994 Douglas Rupp (drupp@cs.washington.edu) + + * winnt/ld.c (main): Pass -debug:full -debugtype:coff. + * winnt/t-winnt: Rework rules for ld. + * i386/config-nt.bat: Renamed from config/i386/config-winnt.bat. + Make specific for x86, not all winnt; change filenames. + * i386/config-nt.sed: Remove -g from CFLAGS. + Reflect changes to t-winnt and other minor changes. + * i386/x-winnt: Renamed from winnt/x-winnt. + * i386/config-nt.sed: Renamed from config/winnt/top.sed. + +Tue Oct 11 18:40:41 1994 Peter Schauer (Peter.Schauer@regent.e-technik.tu-muenchen.de) + + * rs6000.h (ASM_DECLARE_FUNCTION_NAME): Always put out .lglobl + for static functions. + +Mon Oct 10 19:19:51 1994 Alex T. Ramos (ramos@engr.latech.edu) + + * expr.c (convert_move): Add TImode conversions. + +Mon Oct 10 18:46:44 1994 Alex Dreyzen (alex@alex.jf.intel.com) + + * optabs.c (expand_float): Copy TEMP to TARGET when + making recursive call and adjusting. + +Mon Oct 10 07:10:25 1994 Michael Meissner (meissner@osf.org) + + * i386/linux.h (DEFAULT_PCC_STRUCT_RETURN): Do not define as 0 if + LINUX_ELF is defined. + (perform.h): Include perform.h to define asm statements to use for + libgcc1.a builds. + + * i386/linuxelf.h (DEFAULT_PCC_STRUCT_RETURN): Define as 1. + (RETURN_IN_MEMORY): Don't define. + +Sun Oct 9 11:49:20 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.md (movsf_mem): Add & constraint, so that the scratch + register does not clobber the destination address. + +Sun Oct 9 12:40:43 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * arm.md (reload_outdf): Don't call gen_addsi3 if the address is just + a register. + +Sat Oct 8 11:16:50 1994 Doug Evans (dje@cygnus.com) + + * objc/archive.c (__objc_free): New function. + (__objc_finish_read_root_object): Use it. + +Fri Oct 7 19:23:03 1994 J.T. Conklin (jtc@cygnus.com) + + * ginclude/stddef.h: Netware uses _SIZE_T_DEFINED_, _WCHAR_T_DEFINED_. + +Fri Oct 7 12:45:43 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.c (legitimate_address_p): Disable SUBREGs as either + the index or base register. + +Fri Oct 7 08:24:44 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * i386/gnu.h (CPP_PREDEFINES): Define __HURD__. + + * collect2.c (my_strerror): If HAVE_STRERROR defined, call strerror. + * xm-gnu.h (HAVE_STRERROR): Define. + + * function.c (preserve_temp_slots): If X cannot be a temp + slot, preserve all things whose address was taken at the + present level. + + * function.c (assign_stack_temp): Abort if SIZE == -1. + + * expr.c (safe_from_p): If EXP has a variable size, assume safe. + (preexpand_calls): Don't preexpand a call that returns a variable- + sized object. + + * emit-rtl.c (add_insn_{after,before}): Fix error in last change. + +Thu Oct 6 09:18:28 1994 Kresten Krab Thorup (krab@next.com) + + Adam Fedor (fedor@hopper.colorado.edu) + * objc/archive.c (__objc_finish_read_root_object): Delay freeing + of back-patch list. + + Andrew McCallum (mccallum@cs.rochester.edu) + * objc/objc.h (BOOL): Changed from char to unsigned char. + +Thu Oct 6 08:17:04 1994 Stan Cox (coxs@dg-rtp.dg.com) + + * m88k/m88k.c (emit_move_sequence): If operand1 is an invalid PIC + address, then legitimize it before doing anything else. + +Thu Oct 6 06:54:03 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (cse_insn): Don't call force_const_mem on (const (truncate)). + + * expr.c (store_expr): Don't clobber TEMP with address. + + * reorg.c (try_merge_delay_insns): Update THREAD if it is split. + + * function.c (struct temp_slot): New field addr_taken. + (assign_stack_temp): Initialize it. + (mark_temp_addr_taken): New function. + (preserve_temp_slots): Decrement level of things at same level + but whose address has been taken. + * expr.c (expand_expr, case ADDR_EXPR): Call mark_temp_addr_taken. + +Wed Oct 5 14:17:39 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * fold-const.c (fold, COMPONENT_REF): Don't die if the CONSTRUCTOR + doesn't initialize the field we want. + +Wed Oct 5 11:38:48 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.c (legitimize_pic_address): Changes to support + LABEL_REF references when using -fpic. + (output_pic_addr_const): Ditto. + (print_operand_address): Ditto. + + * i386/i386.md (movsi insn): Changes to support LABEL_REF + references when using -fpic. + (movsi_lea): Name insn supporting lea instruction so it shows up + more clearly when doing -dp. + +Wed Oct 5 06:56:36 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reorg.c (try_merge_delay_insns): Update THREAD if deleting first + insn in it. + +Wed Oct 5 01:19:14 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * configure (i[345]86-*-gnu*): Set xm_file=i386/xm-gnu.h. + * config/i386/xm-gnu.h: New file. + * config/xm-gnu.h: New file. + * config/i386/gnu.h: Move #include <fcntl.h> out of here, into + config/xm-gnu.h. + +Tue Oct 4 23:19:28 1994 Michael Meissner <meissner@pasta.osf.org> + + * protoize.c (POSIX includes): If POSIX is defined, include + sys/wait.h to get WIFSIGNALED, WTERMSIG, WIFEXITED, and + WEXITSTATUS. + +Tue Oct 4 21:48:02 1994 Michael I Bushnell <mib@churchy.gnu.ai.mit.edu> + + * config/i386/gnu.h: Include <fcntl.h> to get O_RDONLY definition. + * gcc.c (O_RDONLY): Define macro iff not already defined. + (read_specs): Second arg to open should be O_RDONLY, not constant 0. + +Tue Oct 4 19:06:38 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (do_jump_for_compare): Properly scan insns when + branch is at start of sequence. + +Tue Oct 4 16:53:54 1994 Ian Lance Taylor (ian@cygnus.com) + + * gcc.c, collect2.c, protoize.c (WIFSIGNALED): Define if not + already defined. + (WTERMSIG, WIFEXITED, WEXITSTATUS): Likewise. + * gcc.c (execute): Use them. + * collect2.c (do_wait): Likewise. + * protoize.c (gen_aux_info_file): Likewise. + +Tue Oct 4 16:38:06 1994 Michael Meissner <meissner@pasta.osf.org> + + * i386/i386.h (RETURN_IN_MEMORY): Define so that large types such + as complex double values get returned like structures do, and + don't overwrite %ebx. + +Tue Oct 4 15:58:21 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * lynx-ng.h, lynx.h (PREFERRED_DEBUGGING_INFO): Add undef before + define. + +Tue Oct 4 05:12:02 1994 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * config.sub: Translate -gnu/linux* to -linux*. + +Mon Oct 3 11:43:45 1994 Ian Lance Taylor (ian@cygnus.com) + + * config.sub: Add support for MIPS variants: mips64, mipsel, + mips64el, mips64orion, mips64orionel, mips3*. + +Sun Oct 2 18:26:34 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * function.c (push_function_context_to): Renamed from + push_function_context, adds argument to indicate that the new + function is not a nested function. + (push_function_context): Call it. + (pop_function_context{,_from}): Similarly. + + * tree.c (save_tree_status): Add argument to indicate that the new + function is not a nested function. + (restore_tree_status): Ditto. + +Sun Oct 2 18:05:37 1994 Doug Evans (dje@cygnus.com) + + * configure (i[34]86-*): Change to i[345]86-*. + (target_cpu_default): Treat i586 as an i486 (for now). + +Sun Oct 2 10:25:51 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * arm.md (movsf): If reloading, create a scratch from the target for + loading a constant into integer regs. + (movdf): Likewise. + + Support for variants that fault on unaligned addrs: + * arm.h (TARGET_SHORT_BY_BYTES): New macro. + (TARGET_SWITCHES): Recognize switches -m[no-]short-load-bytes. + (TARGET_DEFAULT): Only define if not already done so. + (PROMOTE_MODE): Promote HImode unsigned if TARGET_SHORT_BY_BYTES. + (SECONDARY_INPUT_RELOAD_CLASS): Need a scratch for reloading HImode if + TARGET_SHORT_BY_BYTES. + * arm.c (arm_reload_in_hi): New function. + * arm.md (zero_extendhisi2, extendhisi2): Expand to suitable byte + sequence when TARGET_SHORT_BYTES and loading a mem. + (movhi_bytes, extendhisi2_mem): New expands. + (movhi): Call movhi_bytes to load a short from memory if + TARGET_SHORT_BY_BYTES. + (all matchers loading a short from memory): Don't match if + TARGET_SHORT_BY_BYTES. + (matcher for movhi when TARGET_SHORT_BY_BYTES): New pattern to cover + remaining valid cases. + +Sun Oct 2 08:54:30 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reg-stack.c (subst_stack_regs): Check for NOTE to see if insn was + deleted. + + * reorg.c (fill_slots_from_thread): Update THREAD if deleting + its first insn. + + * reg-stack.c (delete_insn_for_stacker): Don't set INSN_DELETED_P + on NOTE_INSN_DELETED. + +Sat Oct 1 20:42:33 1994 Chip Salzenberg <chip@fin.uucp> + + * sco4.h (CPP_PREDEFINES): Remove i386, unix. + (CPP_SPEC): Add them here, so that they're undefined if -ansi. + Also add _i386 and _unix, which are always defined. + * x-sco (CLIB): Add "-lmalloc". + (ALLOCA): Define as "-lPW". + * x-sco4 (CC, OLDCC, RCCFLAGS, CCLIBFLAGS, CLIB, ALLOCA): From x-sco. + (X_CFLAGS): Remove. + +Sat Oct 1 14:27:45 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.md (movsf_push386): Rename to movsf_push_nomove. + (movdf_normal): Prefer to use float registers rather than general + purpose registers. + +Sat Oct 1 07:01:10 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * c-decl.c (shadow_label): Emit an error if the label is already + declared at this label scope. + +Sat Oct 1 06:44:58 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (add_insn_{before,after}): Abort if insertion point is + a deleted insn. + * jump.c (jump_optimize): When deleting a jump, properly set NEXT. + (duplicate_loop_exit_test): Don't insert NOTE_INSN_LOOP_VTOP + before deleted insn; insert first, then delete. + + * gcc.c: Install omitted hunk from last diff. + +Fri Sep 30 18:26:11 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (add_insn_after): Abort if can't find AFTER and it + has no NEXT_INSN. + (add_insn_before): New function. + (emit_{insn,insns,jump_insn,call_insn,barrier,note}_before): Call it. + +Fri Sep 30 17:33:41 1994 Douglas Rupp (drupp@cs.washington.edu) + + * config.sub (windowsnt): Alias for winnt. + (winnt): New OS name. + * configure (extra_programs): New, like extra_parts. + (i[34]86-*-winnt3.1): New configuration. + * genattr.c (atoi): Remove declaration. + * getpwd.c: #ifdef WINNT, include direct.h. + * sdbout.c: Don't include syms.h for winnt. + * toplev.c: Don't include times.h for winnt. + (get_run_time): Just return zero for winnt. + (main): Don't print memory usage for OS/2 or winnt. + * cccp.c (main): Use DIR_SEPARATOR if defined. + Use "Include" environment variable instead of CPATH for winnt. + * gcc.c: Don't include sys/file.h for winnt; use process.h instead. + (concat): Now just concats two things; all callers changed. + (concat[346]): New functions. + (dir_separator_str): New variable. + (exec_prefixes, startfile_prefixes, include_prefixes): Renamed + from same names without plural; all users changed. + (find_a_file, process_command, do_spec_1): Use DIR_SEPARATOR. + (find_file, is_directory, main): Likewise. + (lookup_compiler): If OS/2, do case-independent search. + (fix_argv): New function on winnt. + (FIX_ARGV): New macro for some systems; use instead of argv. + * i386/unix.h: Treat ALMOST_STDC like __STDC__. + (AS2C): New macro. + * i386.c (output_387_binary_op): Use AS2C instead of AS2 with + null first arg. + * config/winnt/config-nt.bat, config/winnt/ld.c: New files. + * config/winnt/{[tx]-winnt, config/winnt/top.sed: New files. + * config/winnt/winnt.h, config/winnt/xm-winnt: New files. + * i386/winnt.h, i386/xm-winnt.h: New files. + +Thu Sep 29 19:53:14 1994 Jim Wilson (wilson@cygnus.com) + + * sparc.md (movdf+3): Handle overlapping registers in define_split. + + * gcc.c (default_compilers): Add %Z to all cpp specs. + (n_preprocessor_options, preprocessor_options): New variables. + (process_command): Handle -Wp option. + (do_spec_1): Handle %Z spec. + + * i960/i960-coff.h: New file. + * t-960bare: New file. + * config.sub (os): Accept coff as an OS. + * configure (i960-*-coff): New configuration. + + * expr.c (result_vector): Use INCOMING_REGNO when !savep instead + of when savep. + * sparc.md (call): Use struct value pattern is struct size is not + equal to zero instead of greater than zero. + (call+7, call+8): New patterns for untyped calls. + (untyped_call): Revise to emit explicit rtl for all operation. + Delete four old patterns that matched the unexpanded untyped_call + pattern. + (blockage): New pattern. + (flush_register_windows): Modify from 0 to 1. + (goto_handler_and_restore): Modify from 1 to 2. + (flush): Modify from 2 to 3. + * sparc.c (sparc_initialize_trampoline): FLUSH is now 3 not 2. + + * calls.c (emit_library_call): For FUNCTION_ARG_PASS_BY_REFERENCE, + pass address through force_operand before using it. + + * i960.c (i960_setup_incoming_varargs): Store parameter registers + at proper offset in argument block. + +Thu Sep 29 16:39:32 1994 Mike Stump <mrs@cygnus.com> + + * stmt.c (expand_return): We have to be careful of cleanups that can + be generated when expanding the return value, as they might otherwise + wipe out the return value. + +Thu Sep 29 13:35:24 1994 Mike Stump <mrs@cygnus.com> + + * expr.c (do_jump): Handle cleanups in TRUTH_ANDIF_EXPR and + TRUTH_ORIF_EXPR. + +Thu Sep 29 13:23:56 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (struct option_map): Sort in alphabetical order. + (translate_options): Ignore option once an error occurs. + Fix error with reversed 'a' and 'o'. + Give error if specified abbreviation is unambiguous. + + * c-typeck.c (convert_for_assignment): When converting object + to union, allow converting the constant zero into a pointer + member of the union. + +Wed Sep 28 19:33:01 1994 Alex T Ramos (ramos@engr.latech.edu) + + * machmode.def (PSImode): Widens to PDImode. + * expr.c (convert_move): Added handling of PDImode conversions. + +Wed Sep 28 19:24:17 1994 H.J. Lu (hjl@nynexst.com) + + * configure: Don't make objc-runtime if cross-compiling gcc. + * build-make (FIXINCLUDES): Set to Makefile.in. + +Wed Sep 28 19:18:19 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (trampoline_address): Add missing call to + round_trampoline. + +Wed Sep 28 18:34:13 1994 Michael Meissner (meissner@osf.org) + + * config/svr4.h (ESCAPES): Print \v in octal rather than as '\v', + since some older versions of gas didn't accept it. + +Wed Sep 28 14:29:20 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Comment out loop which handles symbolic links to + files. It appears to not work, and to be unnecessary. + +Tue Sep 27 19:27:56 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.h (ENCODE_SECTION_INFO): Only calls may go through the + PLT. All address loads, even function address loads, have to + go through the GOT or function addresses will not be unique. + +Tue Sep 27 19:20:12 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (newline_fix, name_newline_fix): Don't treat \r + specially here; it only causes bugs. This undoes the + May 14 16:01:13 1990 change to newline_fix and name_newline_fix. + +Tue Sep 27 19:02:55 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * m88k.h (ASM_OUTPUT_SOURCE_LINE): Add missing #undef. + +Tue Sep 27 18:32:17 1994 William J. Eaton (wje@hoffman.rstnu.bcm.tmc.edu) + + * function.c (optimize_bit_field): Put any insns made by + change_address in front of INSN. + (expand_function_end): Don't pass DECL_INITIAL to setjmp_protect + if it is error_mark_node. + + * genoutput.c, reload.c (n_occurrences): Make arg int, not char. + * objc-act.c (warn_with_method): Likewise. + + * optabs.c (expand_fix): Call emit_library_call_value. + +Tue Sep 27 12:39:10 1994 Mike Stump (mrs@cygnus.com) + + * Makefile.in, libgcc2.c (L_eh): some support routines for C++. + +Mon Sep 26 06:45:20 1994 Michael Meissner (meissner@osf.org) + + * 386/i386.md (adddi3, subdi3): Rewrite to add a clobber of a + scratch variable, so that memory/memoroy adds and subtracts can be + done using just one scratch register. Also, don't require op1 to + be the same as op0. + +Fri Sep 23 19:03:09 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/i386/gnu.h (LIB_SPEC): Remove macro. + +Fri Sep 23 16:11:26 1994 Michael Meissner (meissner@osf.org) + + * i386/lynx-ng.h (CALL_USED_REGISTERS): Copy definition from + i386/lynx.h that makes ebx be a call clobbered register, since + some system calls evidently trash it. + +Fri Sep 23 15:54:53 1994 Jim Wilson (wilson@cygnus.com) + + * configure (mips-*riscos*): Changed to mips-*-riscos*. + (mips-*-riscos*-*): Deleted. + + * cse.c (invalidate): New parameter FULL_MODE. All callers + changed. + (set_nonvarying_address_components): Modify initial comment. + (cse_insn): When call invalidate for dest, use the actual dest not + inner_dest. + +Thu Sep 22 18:56:19 1994 Torbjorn Granlund (tege@cygnus.com) + + * expmed.c (expand_divmod): Special case for signed CEIL_DIV_EXPR + when divisor is power of 2. + +Thu Sep 22 12:28:53 1994 Jason Merrill (jason@deneb.cygnus.com) + + * fixinc.svr4: Fix size_t, ptrdiff_t and wchar_t like fixincludes + does. Use extern inline rather than static inline in byteorder.h. + +Thu Sep 22 12:22:03 1994 Steve Dum (steve_dum@mentorg.com) + + * collect2.c (main): Discard the first executable once we've + exploited it. + +Thu Sep 22 11:38:34 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Tweaks for LynxOS 2.2.2: accept spaces after # when + removing #define void int in curses.h; change prototype of fnctl + in fcntl.h to match POSIX.1. + +Thu Sep 22 07:18:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure: Consistently put specified manufacturer names ahead + of entries with wildcard manufacturers. + + * calls.c (emit_call_1): Fix typo in last change. + +Wed Sep 21 21:32:56 1994 Chris Smith (csmith@convex.com) + + * config.guess: Add convex c3* and c4* guesses. + * configure: Don't run fixincludes on convex. + +Wed Sep 21 15:59:12 1994 Ashley Saulsbury (ans@sics.se) + + * alpha.h (ASM_FILE_START): Write .set volatile. + +Wed Sep 21 14:45:45 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (emit_call_1): Properly add a CLOBBER for sp + to CALL_INSN_FUNCTION_USAGE. + + * c-typeck.c (mark_addressable): Give different error if trying + to put object with volatile fields into register; don't use DECL_NAME. + +Wed Sep 21 14:02:10 1994 Jim Wilson (wilson@cygnus.com) + + * reload1.c (eliminate_regs): Make test in LOAD_EXTEND_OP case + more precise. + +Wed Sep 21 11:34:12 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Don't try to remove empty directories until after + removing DONE files. + +Wed Sep 21 05:52:49 1994 Uwe Seimet (seimet@chemie.uni-kl.de) + + * m68k/atari.h (NO_{DOLLAR,DOT}_IN_LABEL): Define. + +Tue Sep 20 20:06:08 1994 Doug Evans (dje@cygnus.com) + + * final.c (asm_insn_count): Handle ASM_INPUTs too. + +Tue Sep 20 19:32:10 1994 Oliver Kellogg (okellogg@salyko.cube.net) + + * 1750a.h, 1750a.c, 1750a.md: New files, to use as1750. + * 1750a/m1750.inc: File deleted. + * 1750a/ms1750.inc: New file. + +Tue Sep 20 17:55:50 1994 Hallvard B Furuseth (hbf@durin.uio.no) + + * cccp.c (make_definition): Enable `-D' with macro arguments. + +Tue Sep 20 17:49:47 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cexp.y (HOST_WIDE_INT, HOST_BITS_PER_WIDE_INT): New macros. + (expression_value): Now HOST_WIDE_INT. + (parse_c_expression): Now returns HOST_WIDE_INT. + * cccp.c (eval_if_expression): Likewise. + (do_if, do_elif): Reflect new return value of functions. + + * alpha.c (mode_mask_operand): Always return a value. + + * function.c (pop_function_context): Clear reg_renumber. + + * gcc.c (process_command): Add new switch, -dumpmachine. + +Tue Sep 20 15:57:40 1994 Jim Wilson (wilson@cygnus.com) + + * sched.c (sched_analyze_insn): Parameter loop_note type changed + to rtx, and name changed to loop_notes. Code adding it to + REG_NOTES modified to account for type change. + (sched_analyze): Variable loop_note type changed to rtx, and name + changed to loop_notes. Store LOOP_* REG_DEAD notes in it instead + of LOOP_* NOTE_LINE_NUMBER. + (schedule_block): Pass last not insn to emit_note_before call. + + * iris5.h (ASM_OUTPUT_UNDEF_FUNCTION): Define. + (ASM_OUTPUT_EXTERNAL_LIBCALL): Define. + (ASM_DECLARE_FUNCTION_SIZE): Define. + * mips.c (mips_output_external): Use ASM_OUTPUT_UNDEF_FUNCTION. + (mips_output_external_libcall): New function. + (mips_asm_file_end): Handle ASM_OUTPUT_UNDEF_FUNCTION. + * README.IRIX5: Update. + +Tue Sep 20 14:39:37 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.h (output_move_memory): Add declaration. + (output_move_pushmem): Ditto. + + * i386/i386.c (output_move_pushmem): New function to handle + pushing bytes from memory onto the stack, possibily using + temporary registers. + (output_move_memory): New function to handle moving bytes from + memory to memory via temporary registers. + + * i386/i386.md (movsi insn): If -fpic and the value we are moving + is a constant pool address, emit a leal instruction instead of + movl. + (movsf_push): Allow pushes from memory. + (SF, DF, XF, DI pushes): Move most of the code to the common + function output_move_pushmem. + (SF, DF, XF, DI memory->memory moves): Move most of the code to + the common function output_move_memory. + (DI move patterns): Combine DI patterns into two, one for pushes, + and one for everything else, so that the combiner will combine a + load with a store into a memory->memory move. + (untyped_call): Replace non-working code with m68k version that + emits a regular call, then breaks the parallel moves into separate + moves, and then issue a blockage instruction. + (blockage): New unspec_volatile insn to block insns from being + moved across this point. + (untyped_return): Delete. + (update_return): Delete. + + * objc/sendmsg.c (get_imp): Allow __inline__ on x86 platforms. + +Tue Sep 20 12:21:12 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Handle the case of a symlink to root/* from a + subdirectory of another symlink to root/*. + +Mon Sep 19 20:30:21 1994 Jason Merrill (jason@deneb.cygnus.com) + + * fold-const.c (fold): Handle COMPONENT_REFs involving CONSTRUCTORs. + +Mon Sep 19 20:25:38 1994 Will Athanasiou (will@westford.ccur.com) + + * rs6000.md (load sf with update): Fix RTL typo. + +Mon Sep 19 08:46:46 1994 Charles M. Hannum (mycroft@duality.gnu.ai.mit.edu) + + * c-common.c (check_format_info): Enable checking of format + specifiers using the `q' (quad) length modifier. + (format_char_info): Add `qlen'. + (print_char_table, scan_char_table): Add appropriate entries for + qlen. + +Sat Sep 17 12:48:57 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stmt.c (mark_seen_cases): Don't call fatal (or do anything + else) if case index out of range. Warning is given later. + +Fri Sep 16 19:22:46 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * global.c (global_alloc): Mark regs assigned to SCRATCH as used by + more than just local alloc. + +Thu Sep 15 14:36:59 1994 Michael Meissner <meissner@pasta.osf.org> + + * i386/i386.c (order_regs_for_local_alloc): Instead of using + flag_cse_follow_jumps and not leaf_function_p to determine whether + to allocate EDX, and ECX before EAX, use whether or not a DImode + variable was used in the compilation. DImode variables seem to + cause spill failures if EAX is allocated first, while smaller code + is generated if EAX is allocated first, assuming no spill failure. + + * i386/i386.md (SF, DF, XF, and DI moves and pushes): Eliminate + special patterns for TARGET_386 that allow direct pushes from + memory, and instead allow direct pushes from memory as the last + alternative in case no scratch registers could be allocated. + (movxf_mem): Remove inadvertent !TARGET_386 condition. + (addsi3): Allow generation of lea on 486, since the single + instruction lea is at least as fast as the mov and add it + replaces. + (zero extend patterns): Replace !TARGET_486 with TARGET_386. + (bit extracts): Ditto. + + * i386/osfrose.h (LONG_DOUBLE_TYPE_SIZE): Don't redefine to be 64 + unless NO_LONG_DOUBLE is defined. + +Thu Sep 15 13:46:05 1994 Jim Wilson (wilson@cygnus.com) + + * expmed.c (store_split_bit_field): Use number of bits in arg not + BITS_PER_WORD to adjust arg in BYTES_BIG_ENDIAN case. + +Thu Sep 15 09:19:12 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * optabs.c (expand_binop, multi-word shifts): Generate rtl + free of conflicts for shifts less than one word. + +Thu Sep 15 05:29:58 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c: Rework last change so it's done like collect2.c. + + * cse.c (cse_around_loop): Don't invalidate SUBREG unless + it's a SUBREG of a REG. + + * sched.c (sched_analyze_insn): Don't set SCHED_GROUP_P for previous + INSN a USE unless it's a USE of a REG. + +Wed Sep 14 10:08:58 1994 Michael I Bushnell <mib@churchy.gnu.ai.mit.edu> + + * gcc.c: Include <sys/errno.h> in case `errno' is really a macro + as permitted by ANSI C. + + * getpwd.c (GUESSPATHLEN): If there is no definition of + MAXPATHLEN, then set GUESSPATHLEN to be 100. (It's used + as a starting point, not a limit, so this is harmless.) + +Tue Sep 13 15:02:19 1994 Michael Meissner <meissner@pasta.osf.org> + + * i386/i386.md (movxf_mem): Fix typo with memory/memory moves + of XFmode variables, where the store actually did a load, ie, the + source and destination operands were fixed. + (fixuns_trunc patterns): Revert to the old code. + (movdf_push486, movxf_push486, movdi_push486): If an address is + based on the stack pointer, account for the stack pointer changing + due to the intermediate pushes generated. + +Tue Sep 13 14:11:16 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * collect2.c (fatal_perror, fatal, error): Declare all args as char *. + +Tue Sep 13 12:40:39 1994 Jeffrey A. Law (snake.cs.utah.edu) + + * pa.c (emit_move_sequence): Handle secondary FP load/store + reloads of the form (subreg (mem (plus (reg) (disp)))). + (secondary_reload_class): A secondary register is needed to handle + out-of-range FP loads and stores. + * pa.md (reload_indf, reload_outdf): New expanders. + (reload_insf, reload_outsf): Likewise. + +Mon Sep 12 18:15:48 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * t-pa (ADA_CFLAGS): New override. + * pa/t-pa-hpux: New file. + * configure (hppa*-*-hpux*): Use t-pa-hpux instead of t-libc-ok. + +Mon Sep 12 14:52:17 1994 Jim Wilson (wilson@cygnus.com) + + * function.c (assign_parms): Set RTX_UNCHANGING_P on stack_parm + for const parameter before calling move_block_from_reg. + +Mon Sep 12 14:27:58 1994 Doug Evans (dje@cygnus.com) + + * config/fp-bit.c (FLO_union_type): Add packed attribute to `bits'. + +Sat Sep 10 09:50:41 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (invalidate_for_call): Properly set IN_TABLE. + +Sat Sep 10 06:46:24 1994 Bill Burton (billb@progress.com) + + * Added improved support for Sequent DYNIX/ptx 1.x and 2.x: + * fixinc.ptx: New file. + * i386/seq-sysv3.h (HAVE_ATEXIT): No longer defined. + * i386/seq2-sysv3.h: New file. + * configure (i[34]86-sequent-ptx[12]*): New configurations. + (i[34]86-sequent-sysv*, i[34]84-sequent-ptx): Deleted configurations. + * config.sub (ptx): New OS; use for Sequent. + +Fri Sep 9 21:48:48 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (rescan, handle_directive): Backslash no longer suppresses the + specialness of the following char unless -traditional. + (rescan): Remove backslash-newline only if at top level, since + backslash-newline-space can be encountered during macro processing. + (collect_expansion): Remove special hack for \# inside a #define; + it's not compatible with the C Standard. + +Thu Sep 9 17:36:03 1994 Jason Merrill (jason@deneb.cygnus.com) + + * Utilize OSF/1's limited .init support. + * alpha/alpha.h (HAS_INIT_SECTION): Define. + (LINK_SPEC): Add '-init __main'. + * alpha/osf12.h (LINK_SPEC): Ditto. + + * function.c (expand_main_function): Don't call __main if + HAS_INIT_SECTION is defined. + +Fri Sep 9 16:36:46 1994 Mike Stump (mrs@cygnus.com) + + * tree.c (decl_function_context): Don't treat C++ member + functions of classes declared in a function, as nested functions. + +Fri Sep 9 16:10:25 1994 Steve Chamberlain (sac@jonny.cygnus.com) + + * sh/sh.c (prepare_move_operands): Generate better DI constant + code. + (fake_shift): New function. + * sh/sh.md (ashlsi3_n, lshrsi3_n): Only recognise if fake_shift + enabled. + * sh/{lib1funcs.asm, ashlsi3.c, lshrsi3.c, ashrsi3.c} : New files. + * sh/t-sh : Build new files. + +Fri Sep 9 15:52:54 1994 Hallvard B Furuseth (h.b.furuseth@usit.uio.no) + + * cccp.c: Correct unprototyped pointer args from `0' to `NULL_PTR' + +Fri Sep 9 15:17:52 1994 Matthew Green (mrg@splode.mame.mu.oz.au) + + * configure (sparc-*-netbsd): New configuration. + * sparc/netbsd.h: New file. + +Fri Sep 9 15:15:48 1994 Jim Wilson (wilson@cygnus.com) + + * mips.md (truncdisi2): Change from define_expand to define_insn. + (truncdihi2, truncdiqi2): Likewise. + + * sparc.h (SQRTTF2_LIBCALL): Delete. + (INIT_TARGET_OPTABS): Define. + (INIT_SUBTARGET_OPTABS): Define. + + * stmt.c (check_for_full_enumeration_handling): Cast malloc result + to `unsigned char *' not `char *'. + + * dbxout.c (dbxout_symbol_location): Handle error_mark_node in + DECL_INITIAL for C++. + + * mips.md (memory): Add missing !r4600 to first define_function_unit. + + * sparc.md (negsi2): Use register_operand not general_operand for + output. + +Fri Sep 9 14:52:58 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * config/netbsd.h: Add #undef for everything we define; a few were + missing. + + * reload.c (find_reloads, case 'p'): Operand is BASE_REG_CLASS. + +Fri Sep 9 14:00:28 1994 Mike Collison (collison@world.std.com) + + * configure (dsp16xx-*): New configuration. + * config.sub (dsp16xx): New basic machine. + * dsp16xx.c, dsp16xx.md, dsp16xx.h, xm-dsp16xx.h: New files. + +Fri Sep 9 12:47:00 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.md (All SF, DF, XF, DI 486 push patterns): Merge the + memory and nonmemory push patterns together. + +Fri Sep 9 00:53:36 1994 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * config.sub: Accept i586 like i386. + Do not use SCO as a default for i386-*. + +Thu Sep 8 18:49:35 1994 Steve Chamberlain (sac@cygnus.com) + + * config/fp-bit.c (_fpmul_parts): Perform optimized + 64bit*64bit multiply correctly. + * sh/sh.c (synth_constant): Ensure DI mode constants get their + high part zeroed. + (add_constant): Entabled constants are only identical if their + sizes are the same. + +Thu Sep 8 14:40:31 1994 Jim Wilson (wilson@cygnus.com) + + * flow.c (mark_used_regs, case REG): Correct typo, use GET_MODE + not GET_CODE. + * sched.c (attach_deaths): Likewise. + +Tue Sep 6 23:33:41 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tree.c (get_set_constructor_bits, get_set_constructor_words): + New functions. Extract bits or words from SET_TYPE CONSTRUCTOR. + * tree.h: Declare above new functions. + +Thu Sep 8 14:02:05 1994 Michael Meissner (meissner@osf.org) + + * 386/i386.h (TARGET_OPTIONS): New macro to define -mreg-alloc= + switch to allow users to override the register allocation order. + (OVERRIDE_OPTIONS): Call the function override_options. + (REG_ALLOC_ORDER): Define to allocate in the natural order, this + is needed for ORDER_REGS_FOR_LOCAL_ALLOC to work. + (ORDER_REGS_FOR_LOCAL_ALLOC): Define to call the function + order_regs_for_local_alloc. + (regclass_map): Move declaration to end of file. + (i386_compare_op0, i386_compare_op1): Ditto. + (CLASS_LIKELY_SPILLED_P): Define, return 1 for AD_REGS in addition + to all of the single register classes, since AD_REGS is only used + to allocate EAX:EDX. + (override_options, order_regs_for_local_alloc): Add declarations. + (hi_reg_name): Add declaration. + (qi_reg_name): Ditto. + (qi_high_reg_name): Ditto. + (i386_reg_alloc_order): Add declaration for TARGET_OPTIONS to use. + + * i386/i386.c (i386_compare_op0, i386_compare_op1): Initialize + with NULL_RTX. + (i386_reg_alloc_order): Provide global variable definition. + (regs_allocated): Static array to note whether a register is noted + via -mreg-alloc=<xxx>. + (override_options): Provide checking for registers declared with + -mreg-alloc=<xxx>. + (order_regs_for_local_alloc): If -mreg-alloc=<xxx> was used, + allocate registers mentioned in order, and then allocate all other + registers in the normal register order. If -mreg-alloc=<xxx> was + not used, allocate registers in natural order except for non-leaf + functions with CSE following jumps, allocate EAX after EDX and + ECX, to allow the function return to be CSE'd, and perl 4.036's + perly.y to be compiled without aborting due to not being able to + find a spill register. + (movsf, movdf, movdi): Rewrite all patterns to provide effecient + memory to memory moves, including pushes for i386 and i486. Fixes + problems in compiling motif+ without optimization. + (swapsf): Add, like swapdf and swapxf. + (fixuns_truncsfsi2, fixuns_truncdfsi2): Use general_operand + instead of register_operand for define_expand, since the operand + is copied to a new pseudo register as part of the expansion. + (fix_truncxfdi2, fix_truncdfdi2, fix_truncsfdi2): Rewrite to call + the more primitive generator functions instead of knowing how many + clobbers of match_scratchs they do. + + * Makefile.in (aux_output.o): Define TARGET_CPU_DEFAULT if + specified when compiling aux_output.o to allow the machine C file + access to this if it wants it. + +Thu Sep 8 07:15:29 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (movsi matcher): Merge TARGET_POWER and !TARGET_POWER + cases. Rationalize mnemonics. + (movhi and movqi matchers): Likewise. + (movsf matcher): Correct length attribute for stfs which no longer + includes frsp. + +Thu Sep 8 07:06:31 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.h (REGISTER_MOVE_COST): Fix typo in last change. + +Wed Sep 7 19:31:52 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (handle_directive): In `#include <xxx>' directives, + remove backslash-newline properly. Don't allow any other newlines. + +Wed Sep 7 18:11:29 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.h (REGISTER_MOVE_COST): Moving between special registers + is expensive. + + * combine.c (simplify_comparison): Convert comparison to unsigned + when stripping off a ZERO_EXTEND. + + * combine.c (simplify_set): Only convert IF_THEN_ELSE to logical + expression if mode of object being compared is result mode. + +Wed Sep 7 18:09:17 1994 David J. MacKenzie (djm@geech.gnu.ai.mit.edu) + + * configure: Ignore --help, --version, --program-prefix, + --program-suffix, --cache-file, --quiet, --silent. + +Wed Sep 7 13:29:50 1994 Doug Evans (dje@cygnus.com) + + * stmt.c (expand_asm_operands): Move test for misspelled registers + higher so all cases caught. + +Wed Sep 7 09:54:14 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * configure: Touch Makefile.ll before appending subdir stuff. + (Needed if there are no subdirs.) + +Wed Sep 7 11:19:18 1994 Kresten Krab Thorup (krab@akvavit.next.com) + + * objc/init.c (__objc_init_protocols): Remove assertion. + * objc/Object.m (conformsTo:): Make lookup allways happen in + the class object. + +Tue Sep 6 17:47:39 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * configure: Rename *-next-ns[23] to *-next-nextstep[23]. + * config.sub: Cleanup NeXT support to emit nextstep*. + +Tue Sep 6 18:38:02 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (find_reloads_address): Don't reorder the operands of a + PLUS when fixing up index. + +Tue Sep 6 18:24:50 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.md (stackadjust/push peepholes): For the adjust/push/push + pattern one offset was wrong. + Don't use addr for register and and MEM refs. + +Tue Sep 6 11:24:06 1994 Steve Chamberlain (sac@jonny.cygnus.com) + + * sh/sh.c (push, pop): Generate REG_NOTES. + (synth_constant): Correct one of the patterns. + (output_file_start): Bump version number. + * sh/sh.h (EXIT_IGNORE_STACK): Now 1. + * sh/sh.md (adddi3, subdi3): Simplify. + (casesi_worker): Use TARGET_BIGTABLE. + +Mon Sep 5 12:29:15 1994 Ian Lance Taylor (ian@cygnus.com) + + * ginclude/math-68881.h: Change inline functions from static to + extern. + + * configure (i[34]86-*-sysv4*): If --with-stabs, set tm_file to + i386/sysv4gdb.h. + * config/i386/sysv4gdb.h: New file; sets PREFERRED_DEBUGGING_TYPE. + +Sun Sep 4 08:40:02 1994 Chris Smith (csmith@convex.com) + + * convex.h (VTABLE_USES_MASK, VINDEX_MAX, SET_DECL_VINDEX): + delete, no longer used. + (target_flags): delete cexp.c hack, no longer needed. + * convex.md (decr-and-set-cc0): fix HImode to use halfword + insns. + (cmpqi patterns): fix constraints not to use A regs + +Sat Sep 3 14:12:11 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.md (DImode move and push insns): Eliminate movdi + wrapper that made a DI temp register to do a memory to memory + move because it creates too much register pressure, especially + when not optimizing. On the 486, allocate and use 1-2 scratch + registers to push a DImode value. + +Fri Sep 2 15:11:59 1994 Jason Merrill (jason@deneb.cygnus.com) + + * c-decl.c (min_precision): Move from here. + * c-common.c: To here. + +Fri Sep 2 13:16:38 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tree.h (maximum_field_alignment, set_alignment): New declarations. + +Fri Sep 2 14:25:36 1994 Ian Lance Taylor (ian@cygnus.com) + + * config/svr4.h (DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE, + DBX_BLOCKS_FUNCTION_RELATIVE, ASM_IDENTIFY_GCC, + ASM_IDENTIFY_GCC_AFTER_SOURCE, ASM_OUTPUT_SOURCE_LINE, + DBX_FUNCTION_FIRST): Define. This adds support for -gstabs for + SVR4 configurations. -gstabs requires gas and gdb. + * config/sparc/sol2.h (DBX_DEBUGGING_INFO, + DBX_BLOCKS_FUNCTION_RELATIVE, ASM_IDENTIFY_GCC, + ASM_IDENTIFY_GCC_AFTER_SOURCE, ASM_OUTPUT_SOURCE_LINE, + DBX_FUNCTION_FIRST): Don't define. Now defined by config/svr4.h. + (PREFERRED_DEBUGGING_TYPE): Undefine before defining. + * config/sparc/sysv4.h (DBX_DEBUGGING_INFO): Don't bother to + undefine before including svr4.h. + (ASM_OUTPUT_SOURCE_LINE): Undefine before including svr4.h. + +Thu Sep 1 22:02:02 1994 Michael Meissner (meissner@osf.org) + + * toplev.c (fatal_insn): Move most of the code from + fatal_insns_not_found here, and add an argument to give the error + message. + (fatal_insn_not_found): Call fatal_insn. + * rtl.h (fatal_insn, fatal_insn_not_found): Add prototypes. + * genextra.c (main): Don't declare fatal_insn_not_found in + insn-extract.c. + * reload1.c (reload): Call fatal_insn where appropriate to print + an error message instead of calling abort. + (spill_failure): Ditto. + (reload_as_needed): Ditto. + (allocate_reload_reg): Ditto. + (emit_reload_insns): Ditto. + +Thu Sep 1 19:34:26 1994 Jason Merrill (jason@deneb.cygnus.com) + + * tree.c (type_list_equal): If the types of the default arguments + differ, the lists do not match. + +Thu Sep 1 19:29:58 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.md (stack-adjust/push peepholes): Addresses are + moved with "addr", not with "movd". + +Thu Sep 1 19:17:55 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (make_definition): Don't dump core when given an + unterminated string in a -D option. + +Thu Sep 1 19:13:35 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (convert_arguments): Give proper warnings when + converting COMPLEX_TYPE; widen check to include all integral types. + +Wed Aug 31 20:38:53 1994 Per Bothner (bothner@spiff.gnu.ai.mit.edu) + + * fixproto: Define FIX_HEADER (needed by Aug 19 change). + Use FIX_HEADER instead of $original_dir/fix-header (twice). + +Wed Aug 31 16:56:15 1994 Jason Merrill (jason@deneb.cygnus.com) + + * stmt.c (warn_if_unused_value): Extend special case for casted + MODIFY_EXPRs to apply to INIT_EXPRs as well. + +Wed Aug 31 16:30:09 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stor-layout.c (set_alignment): New global. + (layout-type): Add support for SET_TYPE. + + * expmed.c (store_bit_field): Semi-revert Aug 25 change: + Make it apply only for BLKmode, not integral modes. + + * stmt.c (all_cases_count, mark_seen_cases): New functions. + (BITARRAY_TEST, BITARRAY_SET): New macros. Used (mainly by + Chill) to check all cases are covered (for enums and ranges). + (check_for_full_enumeration_handling): Re-write to use the + new functions, now that we have them. + +Wed Aug 31 19:19:29 1994 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * combine.c (nonzero_bits, cases DIV, MOD, UDIV, UMOD): Declare + op0_maybe_minusp and op1_maybe_minusp as HOST_WIDE_INT. + +Wed Aug 31 18:54:54 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (store_split_bit_field): Always adjust arg to + extract_fixed_bit_field in BYTES_BIG_ENDIAN case. + +Wed Aug 31 02:49:34 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/i386/gnu.h (LIB_SPEC): New macro. + +Tue Aug 30 16:35:23 1994 Jason Merrill (jason@deneb.cygnus.com) + + * toplev.c (lang_options): Add -W{no-,}reorder. + +Tue Aug 30 13:55:58 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * combine.c (simplify_comparison, case GEU): Add missing break. + +Mon Aug 29 17:50:55 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * vax.md (extv, extzv): Don't use ROTL when field is outside + boundaries of a word. + +Mon Aug 29 11:43:18 1994 Kresten Krab Thorup (krab@akvavit.next.com) + + * objc/sendmsg.c (get_imp): Don't inline on 386. + +Sun Aug 28 18:56:03 1994 Andrew McCallum (mccallum@cs.rochester.edu) + + * objc/class.c (objc_get_meta_class): New function. + +Sat Aug 27 23:13:53 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.c (legitimate_address_p): If index register is either + the arg pointer or the stack pointer, and there is no scale + factor, swap with the base register. + + * i386/i386.h (REG_CLASS_CONTENTS): Don't allow the arg pointer + register as an index register, since the frame could be omitted, + and the stack pointer is not valid as an index. + + * i386/i386.md (mov*, movstrict*): Don't create pushes of memory + values when creating insns, let the combiner create a push of a + memory value if -m386. In particular, pushes of byte values was + broken because there is no pattern to recognize such a push. + +Fri Aug 26 16:03:09 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.h (MASK_*): Add masks for all of the switches. + (TARGET_*): Use appropriate MASK_* instead of a number. Add + -mdebug-addr switch to debug GO_IF_LEGITIMATE_ADDRESS, + -mno-wide-multiply to turn off widening multiplies, and -mno-move + to allow integer move insns to generate direct memory to memory + copies, which reload will fix up. Add TARGET_386 which is not of + TARGET_486. + (REG_ALLOC_ORDER): Go to the order used in 2.5.8, eax, edx, ecx, ... + Add a comment describing the tradeoffs. + (REG_OK*): Add strict and non-strict versions of the macros that + are always present, and REG_OK_STRICT chooses between the two + inner macros. + (GO_IF_LEGIMATE_ADDRESS): Move processing to legitimate_address_p + function. + (LEGITIMIZE_ADDRESS): Move processing to legitimize_address + function. + (function declarations): Add function declarations for all extern + functions in i386.c. + + * i386/i386.c (asm_add): Add support in case adding by 1 or -1 to + use inc/dec. + (various): Change TARGET_486 -> !TARGET_386. + (legitimate_address_p): Move GO_IF_LEGITIMATE_ADDRESS processing + here from i386.h. Combine OSF/rose support from osfrose.h through + the use of conditional macros. Only recognize addresses in + canonical formats, code adapted from the i960 port. Add tracing + if -mdebug-addr. + (legitimize_address): Move LEGITIMIZE_ADDRESS here from i386.h, + and add adaptations from the i960 port. + (convert_387_op): Remove unused function. + + * i386/i386.md (various): Remove cast to char * of output + functions, since i386.h now declares them all properly. Change + TARGET_486 tests to !TARGET_386 and !TARGET_486 to TARGET_386. + (movsi, movstricthi, movhi, movstrictqi, movqi, movdi): Add + define_expand wrappers to prevent memory<->memory moves from being + generated unless -mno-move is used. On 486's do not allow push of + memory insns to be generated unless -mno-move. + (movdi): For movdi patterns, add 2 (clobber (match_scratch...)) + declarations to allow memory<->memory moves with non-contigous + registers, so that reload don't abort if it can't make a DI + register. + (umulsidi3, mulsidi3): Don't allow pattern if -mno-wide-multiply. + (smultsi3_highpart, umultsi3_highpart): Add patterns to make + division by constants generate better code. + + * i386/osfrose.h (MASK_*): Use octal to define bitmasks, not hex, + for compatibility with i386.h. + (NO_IMPLICIT_EXTERN_C): Define. + (LONG_DOUBLE_TYPE_SIZE): Explicitly define to be 64 instead of + just #undef'ing it. + (GO_IF_LEGITIMATE_ADDRESS): Delete, merged with common i386 code. + (ASM_FILE_END): Print -fschedule-insns and -fschedule-insns2 in + ident string if those options are used. + (REAL_LD_FILE_NAME): Delete. + (ASM_OUTPUT_DOUBLE): Delete, use the common macros. + (ASM_OUTPUT_FLOAT): Ditto. + (ASM_OUTPUT_LONG_DOUBLE): Ditto. + +Thu Aug 25 17:15:18 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * expmed.c (store_bit_field): Always store into multi-word + bitfields starting with low addresses. (Old code was + incompatible with operand_subword_force on big-endian targets.) + +Thu Aug 25 18:31:20 1994 Antti Miettinen (amiettin@ntc.nokia.com) + + * m68k/lynx.h (CALL_USED_REGS): Add d2 and d3 as call-used. + +Thu Aug 25 11:30:44 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (record_jump_cond): Don't do anything if OP0 and OP1 + are already equivalent. + + * rtlanal.c (may_trap_p, case EXPR_LIST): New case. + + * c-common.c (shorten_compare): Don't issue warning if both + operands constants and the signedness doesn't affect the + comparison results. + + * configure: Refine handling and error-checking of positional args. + + * print-tree.c (print_node): Print more flags for types and decls. + + * c-typeck.c (type_lists_compatible_p): Treat transparent unions + just like unnamed ones. + +Wed Aug 24 19:34:52 1994 Charles Hannum (mycroft@duality.gnu.ai.mit.edu) + + * configure: Rearrange handling of NetBSD ports to use the standard + `cpu-vendor-os' format. + * config.sub: Recognize names of NetBSD ports that do not correspond + to a CPU name. + +Wed Aug 24 18:43:30 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * print-tree.c (print_node_brief, print_node): Use assignment instead + of initialization for aggregate local variable REAL_VALUE_TYPE d. + +Wed Aug 24 18:28:52 1994 Ian Lance Taylor (ian@cygnus.com) + + * config/svr4.h (ASM_OUTPUT_SECTION_NAME): Define. + * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Output #alloc to + set SHF_ALLOC in section flags. + +Wed Aug 24 17:45:19 1994 Jim Wilson (wilson@sphagnum.cygnus.com) + + * c-parse.in (parmlist_2): Give error for function with only + ELLIPSIS as an argument. + +Wed Aug 24 17:36:22 1994 H.J. Lu (hjl@nynexst.com) + + * i386/linux.h (STARTFILE_SPEC): Add %{static:-static}. + +Wed Aug 24 14:34:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (expand_call): Check for variable-sized return value + in proper place. + + * c-typeck.c (default_conversion): Don't substitute constant + value if array since will return address. + + * configure (LANG_MAKEFILE): Include lang/Makefile.in in list. + + * alpha.h (EXTRA_CONSTRAINT): Add new letter, `R'. + (ENCODE_SECTION_INFO): Don't check TREE_ASM_WRITTEN. + (PREDICATE_COSTS): Add call_operand. + * alpha.c (call_operand): New function. + (output_epilog): Don't set SYMBOL_REF_FLAG of current function. + * alpha.md (call): Rework to use macro version of jsr. + * osf2.h (LINK_SPEC): Don't define; should never have been. + + * c-typeck.c (push_init_level): Don't blow up if construct_type + is null (can happen with missing brace). + +Wed Aug 24 10:49:35 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.h (REG_ALLOC_ORDER): Restore previous version which + allocates edx first, then ecx, eax, ... This is because perl + doesn't build when the order is eax, ecx, edx... + +Tue Aug 23 09:20:16 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure: Restore old behavior of positional arguments. + Add new argument, --noguess. + config.guess now guesses BUILD, not HOST; HOST defaults from BUILD. + Always compare canonical names, not user-specified names. + Numerous minor changes in the messages output to make the + configuration chosen clearer. + +Tue Aug 23 02:01:42 1994 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * config.sub: Move m68k-ccur handling to proper part of file. + Canonicalize cpu type pentium into i486. (Change it to i586 later.) + +Mon Aug 22 18:41:59 1994 Steve Chamberlain (sac@jonny.cygnus.com) + + * sh/sh.c (find_barrier): Calculate the size of larger than + SI moves correctly. + (general_movsrc_operand): Allow label_refs plus const. + (sh_function_arg_partial_nregs, sh_function_arg): Pass BLKmode + objects in partial regs. + * sh.h (TARGET_DEFAULT): Turn off BIGTABLE_BIT. + (EXTRA_CONSTRAINT_Q): Allow label_refs plus const. + (READONLY_DATA_SECTION_ASM_OP, EXTRA_SECTIONS, rdata_section): + Delete rdata section and refs. + * sh.md (dimode split): Don't allow a Q constraint source. + +Sun Aug 21 23:15:35 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (FUNCTION_ARG): Use indirect calling conventions when + TARGET_LONG_CALLS is in effect. + +Sat Aug 20 13:31:34 1994 Jim Wilson (wilson@cygnus.com) + + * sched.c (sched_analyze_insn): Add new parameter loop_note. + If loop_note set, then serialize on this insn. + (sched_analyze): New variable loop_note. Pass to + sched_analyze_insn. Set it if we pass a NOTE_INSN_LOOP_BEG or + NOTE_INSN_LOOP_END. + (unlink_notes): Don't save away NOTE_INSN_LOOP_BEG or + NOTE_INSN_LOOP_END notes. + (schedule_block): Generalize code that looks for magic REG_DEAD + notes and converts them to notes. + +Sat Aug 20 12:47:21 1994 Michael Meissner (meissner@osf.org) + + * i386.h (REG_ALLOC_ORDER): Allocate eax first, then ecx, edx, and + then do the nromal allocation order for the remaining registers. + +Fri Aug 19 20:14:35 1994 Jim Wilson (wilson@cygnus.com) + + * tree.c (build_type_variant): Only return existing type if it + also has the same TYPE_NAME. + + * irix5.h (NO_IMPLICIT_EXTERN_C): Comment out. + +Fri Aug 19 16:41:43 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * fixproto: Use $FIX_HEADER macro instead of calling + fix-header directly in 2nd location. + +Fri Aug 19 17:34:19 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (emit_move_insn_1): Never make a no-conflict block. + + * tree.h (struct tree_type): New field transparent_union_flag. + (struct tree_decl): New field transparent_union. + ({DECL,TYPE}_TRANSPARENT_UNION): New macros. + * c-common.c (decl_attribute): Handle "transparent_union" attribute. + * function.c (assign_parms): If parm is transparent union, use + type of first field. + * calls.c (expand_call): Likewise. + * integrate.c (function_cannot_inline): Don't inline if any + parm is a transparent union. + +Fri Aug 19 12:01:11 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Canonicalize ${INPUT} to avoid automounter + problems. + +Fri Aug 19 11:31:24 1994 Kresten Krab Thorup (krab@akvavit.next.com) + + * objc-act.c (build_selector_translation_table): Reset + current_function_decl after hack_function_prototype build it. + (build_module_descriptor): Return constructor name from functions + decl_rtl. + +Thu Aug 18 17:23:18 1994 Per Bothner (bothner@spiff.gnu.ai.mit.edu) + + * README.FRESCO: New file. Notes about compiling the Fresco + toolkit with g++. + +Thu Aug 18 14:10:22 1994 Jim Wilson (wilson@cygnus.com) + + * combine.c (distribute_notes, case REG_UNUSED): Ignore notes when + from_insn != i3 only if the notes would remain as REG_UNUSED notes. + +Wed Aug 17 18:31:43 1994 Holger Teutsch (holger@hotbso.rhein-main.de) + + * clipper.h (CLIPPER_ARG_SIZE): Return size in bytes. + (FUNCTION_ARG_ADVANCE): Fix argument alignment processing. + +Wed Aug 17 18:03:54 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fx80.md (casesi_2): Operand 0 is HImode; add SIGN_EXTEND + when adding to pc. + (casesi): Operand 0 is HImode. + (unnamed PC addition pattern): Add SIGN_EXTEND to add HImode + offset to SImode PC. + * m68k.md (tablejump): Add SIGN_EXTEND to HImode offset + so can add to SImode PC. + Likewise for matching pattern. + * cse.c (fold_rtx): When folding tablejump, allow LABEL_REF + to be in arg0; also allow other arg to be MINUS, not just be + equivalent to it. + +Mon Aug 15 19:19:11 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (index0): New function. + (trigraph_pcp): Use index0 instead of index, so that a null + byte doesn't suppress further trigraph preprocessing. + + * cccp.c (rescan, do_ident): Pass more accurate size request + to check_expand. + + * cccp.c (main): Don't dump core if given -pcp, -MD, or -MMD + without following arg. + +Mon Aug 15 17:56:38 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stmt.c (expand_elseif): New function. + +Mon Aug 15 14:16:18 1994 Ian Lance Taylor (ian@cygnus.com) + + * configure: If the host is guessed, and the target name is a + prefix of the host name, then use the target name as the host + name. + +Mon Aug 15 13:35:24 1994 Stan Shebs (shebs@andros.cygnus.com) + + * m68k/m68k-coff.h: New file. + +Sun Aug 14 00:28:15 1994 Andrew McCallum (mccallum@vein.cs.rochester.edu) + + * objc/encoding.c (objc_sizeof_type): Assign from ROUND, + don't increment. Remove ; after while to fix infinite loop. + Add float and double cases. + (objc_alignof_type): Add float and double cases. + * objc/selector.c (): Use __objc_selector_names, not + __objc_selector_array. + (sel_types_match): New function. + (sel_get_typed_uid): Use sel_types_match. Change strcmp to !strcmp. + +Sun Aug 14 21:54:29 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): + Define. + (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Delete. + + * pa.c (hppa_expand_prologue): Avoid writing outside the current + stack boundary in code to handle large stack frames. + +Sun Aug 14 18:55:51 1994 Jim Wilson (wilson@cygnus.com) + + * unroll.c (loop_iterations): Use PREV_INSN not prev_nonnote_insn. + + * bsd-5.h (ASM_OUTPUT_NEWLINE): Delete. + (ASM_OUTPUT_ASCII): Define. + * mips-5.h, svr3-5.h, svr4-5.h: Likewise. + * mips.h (ASM_OUTPUT_NEWLINE): Delete. + (ASM_OUTPUT_ASCII): Don't use ASM_OUTPUT_NEWLINE. + + * va-mips.h (va_start): Add cast to __gnuc_va_list type. + + * flow.c (mark_used_regs): When adding REG_DEAD notes, check for + the case where a multiple register hard reg overlaps a register + set by the insn. + * sched.c (attach_deaths): Likewise. + * combine.c (distribute_notes, case REG_DEAD): Add another + find_reg_fusage call. + + * unroll.c (calculate_giv_inc): Handle constants loaded with IOR. + +Sun Aug 14 16:40:04 1994 Richard Stallman <rms@mole.gnu.ai.mit.edu> + + * cccp.c (skip_if_group): New arg op. All callers changed. + If output_conditionals is true, output text of failed conditionals. + (conditional_skip): New arg op. All callers changed. + (main): Handle -ifoutput option. + +Sun Aug 14 05:49:29 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * print-tree.c (print_node{,_brief}): Use REAL_VALUE_TO_DECIMAL + to print REAL_CST ifdef REAL_ARITHMETIC. + + * reload1.c (count_possible_groups) Pass CLASS as arg and only + try to find groups of that class. + + * configure: If config.guess fails and target specified, use as host. + Print a message when making a cross-compiler. + +Sat Aug 13 17:12:30 1994 Jim Wilson (wilson@cygnus.com) + + * configure (sparc-*-sunos4.0*): New configuration. + * t-sunos4: Rename file to t-sunos41. + * t-sunos40: New file. + +Sat Aug 13 13:50:22 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * reload1.c (emit_reload_insns): Handle a secondary input reload + which needs to use secondary memory too. + +Fri Aug 12 18:53:24 1994 Ian Lance Taylor (ian@cygnus.com) + + * mips/mips.c (override_options): If neither -mcpu= nor -mipsN was + used, and MIPS_CPU_DEFAULT is defined, set mips_cpu to + MIPS_CPU_DEFAULT and set mips_cpu_string to + MIPS_CPU_STRING_DEFAULT. + +Fri Aug 12 10:54:35 1994 Stan Cox (coxs@dg-rtp.dg.com) + + * m88k/dgux.h, m88k/dguxbcs.h (ASM_SPEC,CPP_SPEC): + Made -pipe work for -msvr4. Added -D*_TARGET definitions. + + * m88k.c (emit_bcnd): Improved code generated by changing cmp/bbx + instruction pair to single bcnd instruction + +Fri Aug 12 07:52:20 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (set_nonvarying_address_components): If BASE is CONST_INT, + add value to start and set BASE to const0_rtx. + (refers_to_mem_p): Don't do it here. + + * function.c (expand_function_start): Add redundant copy to + static_chain_incoming_rtx if SMALL_REGISTER_CLASS so inlining + works properly. + * integrate.c (expand_inline_function): Use single_set when + appropriate. + Delete insn that sets static_chain_incoming_rtx before its use. + (subst_constants): Treat virtual reg as constant. + + * flow.c (mark_used_regs): Only show changes size if one mode is + integral. + * stupid.c (stupid_mark_refs): Likewise. + * combine.c (simplify_rtx, case FLOAT_TRUNCATE): Remove + redundant float_truncate. + * rs6000.md (movsf): Don't truncate if not register; clean up. + + * c-decl.c (duplicate_decls): Suppress -Wredundant-decls warning + if we have already given an error. + +Thu Aug 11 18:44:25 1994 Jason Merrill (jason@deneb.cygnus.com) + + * stmt.c (expand_anon_union_decl): Fix up the alignment and mode + of the member VAR_DECLs. + +Thu Aug 11 13:36:14 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tree.c (stabilize_reference): Handle COMPOUND_EXPR. + + * fix-header.c (write_rbrac): If NO_IMPLICIT_EXTERN_C is defined, + add extern "C" { ... } to added prototypes. (Needed for hpux.) + +Thu Aug 11 14:23:59 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (rescan): Fix botches with `-lint': the output buffer + pointer was not recached properly, leading to lost output. + Also, buffer overrun was possible. + + * cccp.c (dump_defn_1): Skip newlines and strings correctly. + +Thu Aug 11 14:13:17 1994 Niklas Hallqvist (niklas@appli.se) + + * configure (m68k-*-netbsd*): New target, like others. + +Thu Aug 11 14:09:23 1994 David Mosberger-Tang (davidm@piston.cs.arizona.edu) + + * alpha.h (FUNCTION_PROFILER): Load global pointer from $27, not $26. e + +Thu Aug 11 13:52:15 1994 Walter Misar (misar@rbg.informatik.th-darmstadt.de) + + * m68k/hp320.h (NO_DOT_IN_LABEL): Define if HPUX_ASM. + +Thu Aug 11 13:12:12 1994 David Mosberger-Tang (davidm@cs.arizona.edu) + + * alpha.h (BLOCK_PROFILER): Use $26 and $27 instead of $0 and $1. + +Thu Aug 11 13:09:36 1994 Antti Miettinen (amiettin@trshp.trs.ntc.nokia.com) + + * config/lynx.h (ASM_OUTPUT_SOURCE_LINE): Call assemble_name. + +Thu Aug 11 12:57:22 1994 Stephen L Moshier (moshier@world.std.com) + + * expr.c (expand_builtin): Relegate sin and cos to ffast-math. + +Thu Aug 11 12:45:20 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (find_auto_inc): Ensure that all proposed changes to + insns are valid before commiting to the auto-inc. + + * calls.c (expand_call): Ensure we call force_operand on + structure_value_addr. + + * configure: Use config.guess to get default value for host, + not target. + +Thu Aug 11 12:43:24 1994 Robert Wilhelm (Robert.Wilhelm@physik.tu-muenchen.de) + + * Makefile.in (mostlyclean): Add missing -f. + +Tue Aug 9 02:02:07 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.md (default set high): Do not accept function label arithmetic + as a valid operand. + (default lo_sum): Likewise. + * pa.c (hppa_legitimize_address): Do nothing with function label + arithmetic. + (emit_move_sequence): Split up function label arithmetic so that + function's address is loaded first, then constant part is added to + the function's address. + (is_function_label_plus_const): New function. + +Mon Aug 8 19:57:05 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.md (all patterns that use ins/inss and ext/exts): + Disallow use of these instructions when -mnobitfield is + specified. + * ns32k.h (TARGET_BITFIELD): New macro. + (TARGET_SWITCHES): Support for TARGET_BITFIELD. + * ns32k/netbsd.h (TARGET_DEFAULT): Added -mnobitfield. + (CPP_PREDEFINES): Added -Dpc532. + (WCHAR_{TYPE, UNSIGNED, TYPE_SIZE}): Changed to match new definition + in NetBSD 1.0. + * ns32k.c (print_operand_address): A patch for 2.5.8 ended up at the + wrong place. Moved. + +Mon Aug 8 19:42:09 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (create_definition): Warn about `#define a@', since a + diagnostic is now required (see ISO TC1's addition to + subclause 6.8). Also warn about `#define is-empty(x) (!x)'. + +Mon Aug 8 16:32:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fix-header.c (write_rbrac): Set up to use fixed headers + if __USE_FIXED_HEADERS__ is defined. + + * reload1.c (emit_reload_insns): Always clear new_spill_reg_store. + + * reload.c (find_reloads): Force reload for paradoxical SUBREG + of MEM if BYTES_BIG_ENDIAN. + + * m68k/hp320.h (READONLY_DATA_SECTION): Remove definition. + + * function.c (expand_function_start): Only use + static_chain_incoming_rtx once if it is a REG and we + have SMALL_REGISTER_CLASSES. + + * local-alloc.c (find_free_reg): Fix typo in last change. + * rs6000.h (CLASS_CANNOT_CHANGE_SIZE): New macro. + +Sun Aug 7 08:54:42 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * regs.h (reg_changes_size): Add declaration. + * flow.c (reg_changes_size): New variable. + (allocate_for_life_analysis): Allocate and initialize it. + (mark_used_regs, case SUBREG): Set it. + * local-alloc.c (qty_changes_size): New variable. + (alloc_qty{,_for_scratch}, update_qty_class): Set it. + (local_alloc): Allocate it. + (find_free_reg): If CLASS_CANNOT_CHANGE_SIZE, avoid its registers + if qty_changes_size. + * global.c (find_reg) If CLASS_CANNOT_CHANGE_SIZE, avoid its + registers if reg_changes_size. + * stupid.c (regs_change_size): New variable. + (stupid_life_analysis): Alloc, init and pass it to stupid_free_reg. + (stupid_mark_regs): Set it. + (stupid_find_reg): New arg, CHANGES_SIZE; avoid regs + in CLASS_CANNOT_CHANGE_SIZE if defined and CHANGES_SIZE nonzero. + * reload.c (push_reload): Make test in LOAD_EXTEND_OP case more + precise; handle CLASS_CANNOT_CHANGE_SIZE. + (find_relods): When setting force_reloads, make LOAD_EXTEND_OP + case more precise. + * alpha.h (CLASS_CANNOT_CHANGE_SIZE): New macro. + + * reload1.c (eliminate_regs, case SUBREG): Add USE of pseudo + so we don't improperly delete an output reload. + +Fri Aug 5 15:08:39 1994 Jason Merrill (jason@deneb.cygnus.com) + + * expr.c (expand_expr, COND_EXPR case): Use truthvalue_conversion + to make the condition for running cleanups acceptable to + invert_truthvalue. + +Fri Aug 5 12:29:42 1994 Jim Wilson (wilson@cygnus.com) + + * expmed.c (expand_mult): Accept DImode for synth_mult only if + CONST_DOUBLE_HIGH is zero. Reject negative values for synth_mult + if the mode is larger than HOST_BITS_PER_INT. Don't do the + negate_variant if the mode is larger than HOST_BITS_PER_INT. + +Fri Aug 5 12:23:17 1994 Stephen L Moshier (moshier@world.std.com) + + * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use long instead of + HOST_WIDE_INT. + +Fri Aug 5 12:18:18 1994 Kaveh R. Ghazi (ghazi@caip.rutgers.edu) + + * configure: In subdirectories, make link to include directory. + * Makefile.in (distclean): Delete it. + +Thu Aug 4 17:21:02 1994 Jason Merrill (jason@deneb.cygnus.com) + + * expr.c (defer_cleanups_to): Put back line which was mistakenly + removed. + +Wed Aug 3 21:37:31 1994 Doug Evans (dje@cygnus.com) + + * sparc.c (v9 sparc_builtin_saveregs): Save quadword fp regs on + 16 byte boundaries. Handle non-zero number of named fp args. + * va-sparc.h (v9 va_start): Pass an arg to __builtin_next_arg. + (v9 va_arg): Advance over float's. + +Wed Aug 3 11:10:32 1994 Ian Lance Taylor (ian@mole.gnu.ai.mit.edu) + + * fixincludes: Changes for glibc. In the main loop, don't fix + files which contain the string ``This file is part of the GNU C + Library''. Don't include <stdarg.h> in <stdio.h> if <stdio.h> + contains the string ``__need___va_list''. In <stdio.h>, don't + change GNUC_VA_LIST to GNUC_DUMMY_VA_LIST. Don't add extern "C" + to <assert.h> if it contains the string ``__BEGIN_DECLS''. Don't + add multiple inclusion protection to <time.h> or <sys/time.h> if + they contain the string ``#ifndef''. + +Tue Aug 2 18:38:46 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (simplify_unary_operation): Clean up some mode and + size checks with CONST_DOUBLEs; TRUNCATE should do nothing. + + * combine.c (subst_prev_insn): Remove variable and all uses. + +Tue Aug 2 14:42:29 1994 Doug Evans (dje@canuck.cygnus.com) + + * sparc.h (V9_SWITCHES): Add -mmedlow, -mmedany. + (TARGET_OPTIONS): Delete. + (CONDITIONAL_REGISTER_USAGE): Don't unfix %g4 if -mmedany. + * sparc.c (sparc_code_model): Delete. + (sparc_override_options): Code model flags only useable with v9. + + * sparc.h (enum reg_class): New values EXTRA_FP_REGS, + GENERAL_OR_EXTRA_FP_REGS for the v9 case. + (REG_CLASS_NAMES): Likewise. + (REG_CLASS_CONTENTS): Likewise. + (REGNO_REG_CLASS): Handle EXTRA_FP_REGS. + (REG_CLASS_FROM_LETTER): Likewise, as `e'. + Treat `e' like `f' in v8 case. + (FP_REG_CLASS_P): New macro. + (PREFERRED_RELOAD_CLASS): Use it. + (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS, + SECONDARY_MEMORY_NEEDED, CLASS_MAX_NREGS, REGISTER_MOVE_COST): + Likewise. + * sparc.md (all DF/TFmode patterns): Use `e' in contraint field + instead of `f'. + +Mon Aug 1 20:05:51 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * config/i386/gnu.h: New file. + * configure (i[34]86-*-gnu*): Deal with this on its own, not like + i[34]86-*-mach*. Use i386/gnu.h and t-libc-ok; set gnu_ld and + gas, and disable fixincludes. + +Mon Aug 1 19:27:44 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (permanent_allocation): When freeing to + momentary_function_firstobj, set momentary_firstobj to be + the next available location (i.e., momentary_function_firstobj). + +Mon Aug 1 18:52:40 1994 Chris Arthur (csa@gnu.ai.mit.edu) + + * stddef.h: Handle _BSD_WCHAR_T_ like _WCHAR_T_, since + at least BSD/386 1.1 uses the former instead of the latter. + If _BSD_RUNE_T_ is defined, then define rune_t when we define + wchar_t. Test definedness of _GCC_SIZE_T as well as + _GCC_SIZE_T_; likewise for _GCC_PTRDIFF_T and _GCC_WCHAR_T. + +Mon Aug 1 05:20:44 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa-ghpux.h, pa-hpux.h (LINK_SPEC): Any -g argument implies + static linking. + +Sun Jul 31 17:19:37 1994 Jason Merrill (jason@deneb.cygnus.com) + + * integrate.c (expand_inline_function): Don't fall down trying to + pass things by invisible reference. + +Sun Jul 31 06:56:46 1994 Pat Rankin (rankin@eql.caltech.edu) + + * cccp.c (my_strerror): New function. + (error_from_errno, perror_with_name): Use it. + +Sat Jul 30 12:59:01 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold_truthop): Apply masks to constants. + + * print-tree.c (print_node{,_brief}): Use correct printf code to + print INTEGER_CST if HOST_WIDE_INT is wider than int. + + * expmed.c ({store,extract}_bit_field): Don't use bitfield insn + if OP0 is register and bitfield spans it. + + * m88k.c (arith64_operand): Integer CONST_DOUBLE is not DImode. + * sparc.c (reg_or_0_operand): Likewise. + * ns32k.c, pa.c (print_operand): Likewise. + * fx80.h, gmicro.h, ns32/{genix,merlin}.h (PRINT_OPERAND): Likewise. + * m68k/crds.h, m68k/news.h, pyr.h (PRINT_OPERAND): Likewise. + + * alpha.h (CASE_VECTOR_PC_RELATIVE): Define. + (ASM_OUTPUT_ADDR_VEC_ELT): Abort. + (ASM_OUTPUT_ADDR_DIFF_ELT): Now what used to be previous definition. + * alpha.md (tablejump): Rework to look like normal add but verify + that label is for next insn and is tablejump; look for ADDR_DIFF_ELT. + * cse.c (fold_rtx, case MEM): Surround TRUNCATE for jump table + entry with a CONST. + (fold_rtx, case '1'): Handle operand 0 of a CONST. + (fold_rtx, case PLUS): Handle (const (minus (label_ref) (label_ref))). + +Fri Jul 29 19:27:17 1994 Lee Iverson (leei@ai.sri.com) + + * c-decl.c (finish_decl): Preserve initialializer if iterator. + +Fri Jul 29 19:07:23 1994 Hallvard B Furuseth (h.b.furuseth@usit.uio.no) + + * libgcc2.c: Add declaration of ctime. + * bc-emit.c (bc_sym_write): Change %d to %lu in printf calls. + * fix-header.c (write_{l,r}brac): Specify return type of int. + * tree.c (change_main_variant): Return type now void. + * varasm.c (bc_output_constructor): Return type now rtx. + +Fri Jul 29 18:33:48 1994 Ken Duda (kjd@cache.crc.ricoh.com) + + * c-typeck.c (build_unary_op, case *INCREMENT_EXPR): + Add size in bytes, not value of sizeof. + +Fri Jul 29 17:36:38 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (expand_function_start): Initialize VALUE_ADDRESS. + + * romp.md (tst?f): Use CONST0_RTX instead of incorrect call + to immed_real_const_1. + + * expr.c (move_block_to_reg): Do nothing if NREGS == 0. + +Fri Jul 29 17:17:18 1994 Tom Tromey (tromey@busco.lanl.gov) + + * cccp.c (special_symbol, do_xifdef): Don't access value.defn + of a T_CONST. + +Thu Jul 28 17:19:32 1994 Jason Merrill (jason@deneb.cygnus.com) + + * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Reverse order of execution + of constuctor lists. + * config/svr3.h (DO_GLOBAL_CTORS_BODY): Ditto. + + * libgcc2.c (__do_global_dtors): Reverse order of execution of + destructor lists. + +Thu Jul 28 19:56:30 1994 Jim Pendergraft (jimp@dg-rtp.dg.com) + + * dwarfout.c (output_decl, case FUNCTION_DECL): Corrected + and simplified code that determined when to generate + varargs or ANSI stdargs variable length parameter list + DWARF information. + +Thu Jul 28 19:38:57 1994 Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) + + * m68k.md (extv, extzv): In patterns that will use movb and + movw, ensure size is 8 or 16. + +Thu Jul 28 19:28:31 1994 David Robinson (drtr@mail.ast.cam.ac.uk) + + * expr.c (expand_expr, case CONJ_EXPR): Use correct mode for + parts of a complex expression. + + * optabs.c (expand_binop, case MULT [complex]) Fix typo. + +Thu Jul 28 19:21:38 1994 Uwe Seimet (seimet@chemie.uni-kl.de) + + * am68k/atari.h (FUNCTION_VALUE): New override. + +Thu Jul 28 17:27:38 1994 Paul Eggert (eggert@twinsun.com) + + * Makefile.in (c-lex.o, distdir-start): + Depend on $(srcdir)/c-gperf.h, not c-gperf.h. + +Thu Jul 28 15:14:33 1994 Oliver Kellogg (okellogg@salyko.cube.net) + + * m1750.inc (DNR.M): Add missing macro. + +Thu Jul 28 13:02:56 1994 Kresten Krab Thorup (krab@akvavit) + + * objc/misc.c (__objc_xcalloc): Remove declaration of bzero. + +Thu Jul 28 07:29:52 1994 Markus Wild (mw@eunet.ch) + + * c-common.c (decl_attributes): Correct string check for "format" + to include unsigned and signed char. + +Thu Jul 28 07:11:36 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (compare_spill_regs): Simplify and return zero if + registers are the same. + + * c-decl.c (finish_struct): Don't look at alignment of error_mark_node. + + * combine.c (try_combine): Don't make a MULT if none of the insns + in our input had one. + +Wed Jul 27 19:06:53 1994 R Bowler (rbowler@cix.compulink.co.uk) + + * i370/mvs.h (ASM_OUTPUT_ASCII): Fix bug when first character + of string constant is single quote. + +Wed Jul 27 22:44:32 1994 Jason Merrill (jason@deneb.cygnus.com) + + * m68k/next.h: #undef PCC_STATIC_STRUCT_RETURN. + + * alpha/alpha.h: #define NO_IMPLICIT_EXTERN_C. + +Wed Jul 27 14:06:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (expand_mult): Properly set ADD_TARGET for add_variant. + + * alpha.h (INITIAL_ELIMINATION_OFFSET): Properly compute offset + between AP and SP when get_frame_size and + current_function_pretend_args_size are not a multiple of 16 bytes. + + * expmed.c (expand_divmod): Don't make REG_NOTE if last insn's + destination isn't QUOTIENT. + +Tue Jul 26 19:45:54 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_expr, case ARRAY_REF): Don't fold L"foo"[2]. + +Tue Jul 26 14:10:52 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * config.sub: Refer to NeXT's operating system as nextstep. + +Tue Jul 26 13:50:37 1994 Jim Wilson (wilson@cygnus.com) + + * c-typeck.c (process_init_element): Do not call push_init_level + if the value is error_mark_node. + + * iris5.h (NO_IMPLICIT_EXTERN_C): Define. + +Mon Jul 25 00:20:36 1994 Chris Arthur (csa@gnu.ai.mit.edu) + + * configure (canon_target): add cases to recognize BSD/386 + specifically, so we can use a tm_file that will cause __bsdi__ + to get defined (since emacs, among other things, needs it). + + * config/i386/bsd386.h: New. Use 386bsd.h, and just override + CPP_PREDEFINES (add -Dbsdi) and WCHAR stuff. + +Sat Jul 23 16:30:12 1994 Kaveh R. Ghazi (ghazi@caip.rutgers.edu) + + * fixinc.svr4: Change i860 in #if to __i860__, as with other CPUs. + +Fri Jul 22 14:33:59 1994 Doug Evans (dje@cygnus.com) + + * h8300.md (andhi3, iorhi3, xorhi3): Change constraint on + operand 2 from `i' to `n'. + +Fri Jul 22 09:30:39 1994 DJ Delorie (dj@ctron.com) + + * configure.bat: move code to config/msdos/* (simplification) + + * config/msdos/configure.bat [new file]: moved most processing + here so that as things get more complicated with the language + breakouts, the top directory won't get too messy. Sed script + broken out to simplify processing and avoid quoting errors. + * config/msdos/top.sed [new file]: sed script to change Makefile.in + to Makefile in top directory (currently used for cp directory also) + sed commands changed to handle language breakout + + * gcc.c (pexecute): use spawn*() for djgpp to ensure that quotes + are properly preserved. Response file code left for 16-bit + compilers, which can't handle the long command lines that gcc + may generate. + + * config/i386/go32.h: define NO_IMPLICIT_EXTERN_C. + +Thu Jul 21 23:19:03 1994 Steve Chamberlain (sac@wombat.gnu.ai.mit.edu) + + * sh/sh.h (TARGET_SWITCHES, PACKSTRUCT_BIT, STRUCTURE_SIZE_BOUNDARY): + parse and handle new option. + (LEGITIMATE_CONSTANT_P): LABEL_REFs are no longer illegal. + (WCHAR_TYPE, WCHAR_TYPE_SIZE): New definitions. + (HANDLE_PRAGMA): Has return. + + * sh/sh.c (add_function, seen_function): Experimental code to + generate bsrs. + (handle_pragma): Return final char. + (expand_acall): Handle TARGET_BSR. + (general_movdst_operand, general_movsrc_operand): Allow ok + autoinc/dec. + (bsr_operand): New function. + (fixit): Need to fix LABEL_REFs. + + * sh/sh.md (addc): Simplify. + (adddi3, subdi3, negdi3): Use operand_subword. + (subc, negc): New pattern. + (shifts): Fix constraints. + +Thu Jul 21 17:59:43 1994 Jim Wilson (wilson@cygnus.com) + + * objc-act.c (build_module_descriptor): Don't set DECL_EXTERNAL on + current_function_decl. + + * combine.c (simplify_rtx): For (not (xor X C)) generate new rtx + instead of modifying old rtx. + + * c-decl.c (start_function): If old_decl is NULL, then set it to + the implicit decl if any. Delete superfluous test from warn missing + prototypes code. For warn missing declarations code, only warn if + previous decl is implicit. + +Thu Jul 21 17:47:05 1994 Paul Eggert (eggert@twinsun.com) + + * fold-const.c (fold): Don't fold X-X to 0 if X is floating point + and !flag_fast_math. + +Thu Jul 21 02:07:45 1994 Charles Levert (charles@comm.polymtl.ca) + + * Makefile.in (stmp-multilib): Rework to handle make -n. + (stmp-multilib-sub): New target. + +Tue Jul 19 23:14:42 1994 Larry Jones (larry.jones@sdrc.com) + + * configure (i[34]86-*-isc*): Treat isc4 like isc3. + Remove references to nonexistant files and add extra_parts + when needed. + (i[34]86-*-solaris2*): Remove reference to nonexistant + t-sco and use extra_parts instead. + (i[34]86-*-sysv*, i860-*-sysv3*, m68k-*-sysv3*, m68k-ncr-sysv*): + Replace t-svr3 with extra_parts. + +Tue Jul 19 20:31:34 1994 Doug Evans (dje@cygnus.com) + + * configure (find lang subdirs loop): Try to work around an + apparent bug in bash 1.12 on linux. + + * Makefile.in (clean): Remove multilib build dirs. + + * h8300.c (print_operand, default case): Handle SFmode regs. + +Mon Jul 18 22:02:53 1994 Jim Wilson (wilson@cygnus.com) + + * sparc.c (call_operand): Use symbolic_operand not CONSTANT_P. + (call_operand_address): Likewise. + * sparc.md (call*): Use symbolic_operand not immediate_operand. + Use 's' constraint not 'i' constraint. + + * toplev.c (rest_of_compilation): Clear DECL_ABSTRACT_ORIGIN if + clear DECL_INLINE. + + * global.c (find_reg): Store divide results in temporary variables. + + * gcc.c (process_command): When have -BstageN option, pass include + not stageN/../include to preprocessor. + +Mon Jul 18 21:58:27 1994 Torbjorn Granlund (tege@tiny.cygnus.com) + + * loop.c (move_movables): Aviod lossage when CALL_INSN_FUNCTION_USAGE + is NULL. + +Mon Jul 18 20:53:54 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Rework required loop to avoid crash on decstation. + +Thu Jul 14 09:42:23 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Version 2.6.0 released. + + * explow.c (force_reg): Don't make a REG_EQUAL note for an insn + that doesn't set TEMP. + +Wed Jul 13 17:00:35 1994 Torbjorn Granlund (tege@rtl.cygnus.com) + + * expmed.c (expand_divmod, case CEIL_DIV_EXPR): + Handle emit_store_flag returning 0. + +Wed Jul 13 16:35:57 1994 Jim Wilson (wilson@cygnus.com) + + * expr.c (store_field): Set MEM_IN_STRUCT_P on object and + blk_object. + +Wed Jul 13 08:40:11 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (distdir-start): Make tmp/ginclude and copy its files. + (distdir-finish): Don't use -f Makefile.in. + (gcc.xtar.gz): Add --best. + + * fold-const.c (decode_field_reference): Merge operand of + a BIT_AND_EXPR with the mask made from the description of the field. + + * fold-const.c (fold, case MULT_EXPR): Remove last change. + +Wed Jul 13 07:12:32 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * xm-pa.h, xm-pahpux.h, xm-pahiux.h (USE_C_ALLOCA): Define. + +Wed Jul 13 03:30:36 1994 Jason Merrill (jason@deneb.cygnus.com) + + * tree.h (TYPE_NEEDS_CONSTRUCTING): New macro. + (tree_type): Add needs_constructing_flag. + * function.c (assign_parms): If TYPE_NEEDS_CONSTRUCTING, pass by + invisible reference. + * calls.c (expand_call): Ditto. + +Wed Jul 13 06:49:05 1994 Simon Cooper (scooper@hardees.rutgers.edu) + + * objc/Object.m: Include stdarg.h before stdio.h. + +Tue Jul 12 21:31:59 1994 Jim Wilson (wilson@cygnus.com) + + * c-decl.c (pushdecl): Don't call lookup_name_current_level_global + when traditional. When doing checks against + IDENTIFIER_LIMBO_VALUE, also do check against + INDENTIFIER_GLOBAL_VALUE when traditional. + + * final.c (getpwd): Declare. + +Tue Jul 12 16:24:10 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Only allow immediate addressing + using 5 bits to avoid losing with FP loads and stores on page zero. + +Tue Jul 12 16:20:09 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (ashlsi3, lshrsi3, ashrsi3): Only output low-order five + bits for !TARGET_POWER case. + +Tue Jul 12 13:06:14 1994 Jim Wilson (wilson@cygnus.com) + + * combine.c (record_dead_and_set_regs_1): Can only handle SUBREG + if the register is smaller or equal to BITS_PER_WORD. + + * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Define. + + * final.c (end_final): Store full path name in .d file not just + the filename. + + * README.IRIX5: New file. + +Tue Jul 12 10:55:14 1994 Michael Meissner (meissner@osf.org) + + * i386/osfrose.h (CC1_SPEC): If both -pic-extern/-pic-lib and + -pic-none, use -pic-extern win, instead of -pic-none. + + * i386/osfelf.h (CC1_SPEC): Ditto. + +Tue Jul 12 09:08:06 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (find_reloads): Don't try to call force_const_mem on + a HIGH. + + * fold-const.c (fold, case MULT_EXPR): If arg is an unsigned + CEIL_DIV_EXPR, convert to TRUNC_DIV_EXPR of a PLUS_EXPR in some cases. + + * alpha.md (ashldi3): Update pattern for (sign_extend (ashift ..)) + to match the current canonicalization. + + * explow.c (round_push, allocate_dynamic_stack_space): Avoid + using CEIL_DIV_EXPR; add adjustment and use TRUNC_DIV_EXPR instead. + +Tue Jul 12 08:12:04 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * dbxout.c (dbxout_source_file): Increment source_label_number outside + of macro expansion. + + * arm.c (reversible_cc_register): New function. + (final_prescan_insn): Don't try to conditionalize jumps with JUMP_CLOB + attribute. + * arm.h (PREDICATE_CODES): Add reversible_cc_register. + * arm.md (matcher for SFmode inequality comparison): Use cmfe, not cfm. + (matchers for {store-flag, not-store-flag, neg-store-flag}): Output + if-false instruction first before if-true instruction. + (matcher for (AND store-flag x)): Only match if reversible_cc_register. + (matcher for (IF-THEN-ELSE reg (NOT reg))): Likewise. + + * arm.h (FRAME_POINTER_REQUIRED): Always true if the function has + nonlocal labels. + * arm.md ({save,restore}_stack_nonlocal): Delete. + +Mon Jul 11 19:29:15 1994 Oliver Kellogg (okellogg@salyko.cube.net) + + * machmode.def (TQFmode): New mode. + * expr.c (convert_move): Add some conversions for TQFmode. + * varasm.c (assemble_real): Handle TQFmode output. + * config.sub (basic_machine): Add 1750a. + * configure (1750a-*-*): New configuration. + * 1750a.c, 1750a.h, 1750a.md, m1750a.inc: New files. + +Mon Jul 11 18:38:42 1994 Doug Evans (dje@cygnus.com) + + Add support for the h8/300h cpu. + * config/h8300/lib1funcs.asm: New file. + * h8300/t-h8300 (CROSS_LIBGCC1): Use libgcc1-asm.a. + (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA, MULTILIB_OPTIONS, + MULTILIB_DIRNAMES, LIBGCC, INSTALL_LIBGCC): Define. + (fp-bit.c): Build it. + * h8300/h8300.h (CPP_PREDEFINES, CPP_SPEC, LIB_SPEC, TARGET_SWITCHES, + BITS_PER_WORD, MAX_BITS_PER_WORD, UNITS_PER_WORD, MAX_UNITS_PER_WORD, + POINTER_SIZE, PARM_BOUNDARY, BIGGEST_ALIGNMENT, + BIGGEST_FIELD_ALIGNMENT, STACK_BOUNDARY, HARD_REGNO_NREGS, + HARD_REGNO_MODE_OK, REG_CLASS_NAMES, REG_CLASS_CONTENTS, + REGNO_REG_CLASS, PUSH_ROUNDING, FUNCTION_ARG_ADVANCE, + TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, + CONSTANT_ADDRESS, MOVE_MAX, Pmode, SIZE_TYPE, PTRDIFF_TYPE): + Add h8/300h support. + (LINK_SPEC, TARGET_RTL_DUMP, TARGET_H8300, TARGET_H8300H, + REAL_ARITHMETIC, SETUP_INCOMING_VARARGS, HAVE_POST_INCREMENT, + HAVE_PRE_DECREMENT, MAX_MOVE_MAX, NO_BUILTIN_SIZE_TYPE, + NO_BUILTIN_PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE, + MAX_WCHAR_TYPE_SIZE, ASM_WORD_OP, INIT_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, EXTRA_SECTIONS, + EXTRA_SECTION_FUNCTIONS, ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR, + DO_GLOBAL_CTORS_BODY, DO_GLOBAL_DTORS_BODY, INIT_TARGET_OPTABS): + Define. + (CAN_DEBUG_WITHOUT_FP, PCC_STATIC_STRUCT_RETURN, STRUCT_VALUE_REGNUM, + STRUCT_VALUE_INCOMING, STRUCTURE_SIZE_BOUNDARY): Undefine. + (enum reg_class): Add h8/300h support. + (emit_a_shift): Declare. + (TARGET_DEFAULT): Set default to -mquickcall. + (DOUBLE_TYPE_SIZE): Fix at 32. DFmode support doesn't exist. + (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Swap registers 2,3 with 4,5. + Registers 0,1 contain function result, allocate after 2,3. + (STATIC_CHAIN_REGNUM): Use reg 4. + (CONST_OK_FOR_LETTER_P): 'O' is ok_for_bclr, 'P' is small_power_of_two. + (FUNCTION_PROFILER, FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): First + attempt at an implementation. + (CONST_COSTS): Move code into function const_costs. + (BRANCH_COST): Set to 0. + (NOTICE_UPDATE_CC): Move code into function notice_update_cc. + (ASM_FILE_START): Move code into function asm_file_start. + (ASM_FILE_END): Move code into function asm_file_end. + (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Use REAL_VALUE_TO_DECIMAL. + * h8300/h8300.c (cpu_type, names_extended, names_upper_extended, + h8_reg_names, h8_push_ops, h8_pop_ops, h8_mov_ops, h8_push_op, + h8_pop_op, h8_mov_op, current_function_anonymous_args, extra_pop, + hand_list): New variables. + (h8300_init_once, asm_file_start, asm_file_end, ok_for_bclr, o_operand, + p_operand, call_insn_operand, jump_address_operand, bit_operand, + eq_operator, const_costs, notice_update_cc, bit_operator, + nshift_operator, expand_a_shift, get_shift_alg, emit_a_shift, + fix_bit_operand): New functions. + (shift_alg, shift_type, shift_mode): New enums. + (shift_insn): New struct. + (shift_n_bits, can_shift): Deleted. + (shift_one, rotate_one): New variables. + (WORD_REG_USED): New macro (was function word_reg_used). + (dosize, function_prologue, function_epilogue, print_operand_address): + Add h8/300h support. + (small_power_of_two): Renamed from potl8. + (potg8): Deleted. + (general_operand_src): Fix POST_INC case. + (general_operand_dst): Fix PRE_DEC case. + (function_arg): 3 regs of args are passed if -mquickcall. + 4 regs of args are passed to handwritten assembler routines. + (print_operand): New cases 'A', 'P', 'S', 'U', 'W', 'b', 'c', 'd', 'g'. + Delete case 'O'. Sort cases. Add h8/300h support. + (do_movsi): Renamed from domovsi. + Handle reload_in_progress and reload_completed. + (initial_offset): Renamed from io. Add h8/300h support. + * h8300/h8300.md (cpu): New attribute. + (attribute length): Add h8/300h support. + (attribute cc): New value `cbit'. + (all anonymous insns): Give them names. + (move insns): Add h8/300h support. + (tstqi, tsthi): Use btst insn if able. + (arithmetic insns): Add h8/300h support. + (boolean insns): Likewise. + (negate insns): Likewise. + (branch insns): Likewise. + (call_value): Use call_insn_operand for operand 1. + (shift insns): Completely rewritten. Add h8/300h support. + (zero/sign extension insns): Add h8/300h support. + (extv): Deleted. + (insv, extzv): Only use for h8/300. + (bitfield insns): Completely rewritten. + (fancyb*): New insns for speeding up bit accesses. + + * optabs.c (init_optabs): Allow target specific libcalls + with INIT_TARGET_OPTABS. + +Mon Jul 11 18:32:42 1994 Steve Chamberlain (sac@cygnus.com) + + * config/fp-bit.c: New file. Provides simple fp emulation library. + +Mon Jul 11 18:27:42 1994 Ian Lance Taylor (ian@cygnus.com) + + * Makefile.in (libgcc1-asm.a): New target for building libgcc1.a + in cross compilers. + +Mon Jul 11 17:00:45 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (movsi matcher): Add nop for moving special register + to itself for !TARGET_POWER. + (movhi and movqi matcher): Likewise and add mtjmpr attribute. + Separate MQ from CTR and LR target registers for TARGET_POWER. + + * powerpc.h (CPP_SPEC): Fix typo. + +Mon Jul 11 16:50:29 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (stmt): Don't give more than one error message if a + nested `if' has an empty body. + + * a29k.md (movqi): Call loadhi, not loadqi. + +Mon Jul 11 16:46:09 1994 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * pa.h (DEBUGGER_ARG_OFFSET): Define. If no frame pointer + is available, then adjust the offset by the size of the + current frame. + +Mon Jul 11 16:34:14 1994 Stan Shebs (shebs@andros.cygnus.com) + + * configure (*-*-lynxos*): Always run fixincludes, and if not using + gas, set tm_file to lynx-ng.h. + * config/x-lynx: Always run fixproto. + * config/lynx.h, i386/lynx.h, m68k/lynx.h, sparc/lynx.h: Rewrite + to work with gas producing coff files. + * config/lynx-ng.h, i386/lynx-ng.h, m68k/lynx-ng.h, + sparc/lynx-ng.h: New files. + +Mon Jul 11 15:16:28 1994 Pat Rankin (rankin@eql.caltech.edu) + + * make-cc1.com: Compile most of cc1plus in the `cp' subdirectory. + * vmsconfig.com: When setting up tm.h, convert "vax/vax.h" into + "config-vax.h" rather than "[.config.vax]vax.h" for #include so + it will work from [.cp] subdirectory; copy vax.h to config-vax.h + as part of configuration setup. Also, manually include cc1plus + in the list of buildable compilers (a temporary measure; it + should process cp/Makefile.in like it does for primary makefile). + + * make-cc1.com: Use `=' rather than `:=' when setting up CC, + so that `gcc' can be defined as a foreign command if necessary; + eliminate `set symbol/scope=noGlobal' for same reason; use `=' + with all other symbols, for consistency; add explicit .obj + extension to some lists of object files passed to the linker; + general cleanup of the command text echoed during execution. + * make-cccp.com: Revise to be more consistent with make-cc1.com + for symbol setup & usage and for echoing command execution. + +Mon Jul 11 15:03:23 1994 Charles Hannum (mycroft@duality.gnu.ai.mit.edu) + + * configure: Recognize m68k-*-netbsd* and i[345]86-*-netbsd*. + * cccp.c, collect2.c, gcc.c, protoize.c, cp/g++.c (sys_errlist) + [bsd4_4]: Do this for __NetBSD__ also. + +Mon Jul 11 14:16:28 1994 Kresten Krab Thorup (krab@spiff.gnu.ai.mit.edu) + + * mips/mips.h (STRUCT_VALUE): Change definition from `(rtx)0' to + just `0' so it is a valid expression for the pre-processor. + +Mon Jul 11 10:54:35 1994 Stan Cox (coxs@dg-rtp.dg.com) + + * configure (m88k-dg-dguxbcs): New configuration. m88k-dg-dgux + Now builds an elf compiler. Both targets will create bcs or elf. + + * m88k/dgux.h (ASM_SPEC,STARTFILE_SPEC,LIB_SPEC): svr4 default. + + * m88k/dguxbcs.h (ASM_SPEC,STARTFILE_SPEC,LIB_SPEC): + New target for svr3. + + * m88k/x-dgux, m88k/t-dgux, m88k/x-dguxbcs: + Changed for svr4/svr4/svr3 respectively. + + * m88k/m88k.h (TARGET_SVR3): New target switch. + +Wed Jun 29 19:23:27 1994 David Mosberger-Tang (davidm@piston.cs.arizona.edu) + + * alpha.h (LIB_SPEC): If -pg, add -lprof2. + +Mon Jul 11 13:17:38 1994 Ian Lance Taylor (ian@cygnus.com) + + * combine.c (simplify_set): Only turn IF_THEN_ELSE into AND if + MODE_INT. + +Sun Jul 10 06:03:12 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (eliminate_regs_in_insn): Handle special case of + assignment from hard frame pointer to frame pointer (for + nonlocal goto). + * function.c (instantiate_virtual_regs_1): Remove last change. + * stmt.c (expand_end_bindings): When adjusting FP, set it + from hard_frame_pointer_rtx. + + * expr.c (expand_builtin, case BUILT_IN_FSQRT): Don't use + asterisk in name of `errno'. + +Fri Jul 8 22:07:32 1994 Jim Wilson (wilson@cygnus.com) + + * stdarg.h: Delete include of <stdarg.h> when not gcc. + * varargs.h: Delete include of <varargs.h> when not gcc. + +Fri Jul 8 18:45:56 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Copy a0 to d0, not + the other way. + +Fri Jul 8 17:41:39 1994 Jim Wilson (wilson@cygnus.com) + + * expr.c (get_inner_unaligned_p): New function. + (expand_assignment, expand_expr): Use it. + +Fri Jul 8 17:16:25 1994 Doug Evans (dje@cygnus.com) + + * expmed.c (extract_split_bit_field): Set UNIT to BITS_PER_WORD for + register values. + (store_split_bit_field): Likewise. Call operand_subword_force. + +Fri Jul 8 13:48:23 1994 Mike Stump (mrs@cygnus.com) + + * expr.c (target_temp_slot_level): New variable to keep track of + the current stack level for temporaries created by TARGET_EXPRs. + * expr.h (target_temp_slot_level): Declare it. + * expr.c (expand_expr): Add code to maintain the new temporary + stack for TARGET_EXPRs to the CLEANUP_POINT_EXPR code and change + the allocation of temporaries for TARGET_EXPRs to be from the new + stack, so that they may live longer, and only be reused after they + are no longer in use. + * function.c (assign_stack_temp): KEEP can now also be 2, to + indicate allocation from the longer term frontend controlled + temporary stack. + * function.c (init_function_start): Initialize + target_temp_slot_level to zero. + +Fri Jul 8 16:52:38 1994 Jim Wilson (wilson@cygnus.com) + + * combine.c (distribute_notes, REG_DEAD case): When check to see + if insn uses register, also call find_regno_fusage. + + * sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Call assign_stack_local + if the frame has zero size. + +Fri Jul 8 11:46:50 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * varasm.c (record_constant_rtx, force_const_mem): Ensure everything + is in saveable_obstack, not current_obstack. + + * combine.c (force_to_mode): OP_MODE must be MODE if MODE and + mode of X are of different classes. + (nonzero_bits, num_sign_bit_copies): Say nothing known for + floating-point modes. + + * function.c (instantiate_virtual_regs_1, case SET): + If DEST is virtual_stack_vars_rtx, replace with hardware + frame pointer. + + * expr.c (expand_expr, case CONVERT_EXPR): If changing signedness + and we have a promoted SUBREG, clear the promotion flag. + + * c-decl.c (finish_decl): Put RTL and other stuff in + permanent_obstack if DECL is. + + * combine.c (gen_unary): Add new arg, OP0_MODE. + All callers changed. + +Thu Jul 7 19:58:35 1994 Jason Merrill (jason@deneb.cygnus.com) + + * varasm.c (assemble_variable): Do set TREE_ASM_WRITTEN on + erroneous incomplete decls. + +Thu Jul 7 17:59:46 1994 Joseph Arceneaux (jla@gnu.ai.mit.edu) + + * configure (m68k-motorola-sysv*): Use mot3300g.h for gas. + * m68k/mot3300g.h: New file. + +Thu Jul 7 17:42:21 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Fix typo in last change. + +Thu Jul 7 17:36:26 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (expand_mult_highpart): Build constant forms of CNST1 + in MODE or WIDE_MODE, as appropriate. + + * optabs.c (expand_binop, case DIV [complex]): Fix typo in last change. + + * alpha.md (reload_inqi): Make operand[2] be TImode and + pass register number that differs to unaligned_loadqi. + (reload_outqi): Change overlap in temps to unaligned_storeqi. + * alpha.c ({un,}aligned_memory_operand): Check against + hard_frame_pointer_rtx, not frame_pointer_rtx. + +Thu Jul 7 01:39:33 1994 Doug Evans (dje@cygnus.com) + + * combine.c (make_compound_operation, AND case): Do extraction in + desired result mode. + + * flow.c (mark_set_1): Record explicit hard registers in their + raw mode. + (mark_used_regs): Likewise. + * combine.c (distribute_notes): Likewise. + +Wed Jul 6 14:45:08 1994 Pat Rankin (rankin@eql.caltech.edu) + + * longlong.h (vax sdiv_qrnnd): Fix typo. + +Wed Jul 6 19:59:12 1994 Mike Stump (mrs@cygnus.com) + + * expr.c (expand_expr, defer_cleanups_to, expand_cleanups_to): All + cleanups have to be protected by interim exception handling code. + * stmt.c (expand_decl_cleanup, expand_cleanups): Ditto. + * toplev.c (interim_eh_hook): Hook for interim exception handling. + * toplev.c (interim_eh): Default implementation for exception + handling that does nothing. + * toplev.c (main): Set default for interim_eh_hook. + +Wed Jul 6 17:56:37 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (output_prolog): Start memory probing with $2. + +Wed Jul 6 14:21:14 1994 Jim Wilson (wilson@cygnus.com) + + * stmt.c (struct nesting): Add new field alt_end_label. + (expand_start_loop): Initialize it to zero. + (expand_end_loop): Reorder loop if find either a jump to end_label + or a jump to alt_end_label. + (expand_exit_loop_if_false): Set alt_end_label. + +Wed Jul 6 05:07:31 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * c-common.c (decl_attributes): If TREE_TYPE for the DECL is updated, + then update TYPE as well. + + * longlong.h (arm umul_ppmm): Fix use of uninitialized register. + Eliminate clobbers of hard registers. + +Wed Jul 6 03:22:04 1994 Torbjorn Granlund (tege@rtl.cygnus.com) + + * expmed.c (expand_divmod): Clear out TARGET also if OP1 is a + constant, when TARGET == OP0. + +Tue Jul 5 18:58:28 1994 Torbjorn Granlund (tege@rtl.cygnus.com) + + * Makefile.in (c-parse.y): Redirect through tmp file. + (objc-parse.y): Likewise. + (c-gperf.h): Likewise. + (mostlyclean): Delete the new tmp files. + + * expmed.c (expand_divmod): Fix typo setting op1_is_pow2. + (expand_divmod): Handle powers-of-two specifically for unsigned + CEIL_*_EXPR. + + * longlong.h: Really fix the test for _IBMR2. Change test of + __powerpc__ to _ARCH_PPC. + +Tue Jul 5 17:00:19 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): Don't check for replacing + arg of function here. + (can_combine_p): Do it here. + + * expr.c (expand_increment): If pre-incrementing a promoted + variable, don't adjust OP0 since the result won't be used. + + * jump.c (duplicate_loop_exit_test): Handle SUBREG in SET_DEST + of loop exit test statements. + + * combine.c (try_combine): If I2DEST was used in I2SRC, it isn't + unused just because there is no SET for I2 anymore. + +Mon Jul 4 11:15:13 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.h (RS6000_OUTPUT_BASENAME): Always call assembler_name + and pass the actual symbol name. + + * varasm.c (assemble_name): Call STRIP_NAME_ENCODING. + + * cse.c (canon_hash, exp_equiv_p): Refer to string in SYMBOL_REF + with XSTR, not XEXP. + +Sat Jul 2 18:53:19 1994 Jim Wilson (wilson@cygnus.com) + + * mips.md (smuldi3_highpart, smuldi3_highpart_internal, + umuldi3_highpart, umuldi3_highpart_internal): New patterns. + + * unroll.c (loop_iterations): Only use REG_EQUAL note value if it + is constant. + + * dbxout.c (dbxout_type_methods): Enable debugging info for + template classes. + + * c-lex.c (yylex): Reject imaginary numbers when pedantic. + + * c-decl.c (duplicate_decls): When make void* match char*, set + DECL_IN_SYSTEM_HEADER. + + * Makefile.in (clean): Delete LIB2FUNCS_EXTRA. + + * alpha.h (FUNCTION_PROFILER, FUNCTION_BLOCK_PROFILER, + BLOCK_PROFILER): Use multiple fputs/fprintf calls instead of ANSI + C concatenated strings. + (PREDICATE_CODES): Add cint8_operand. + + * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -isystem. + +Sat Jul 2 09:34:20 1994 Torbjorn Granlund (tege@rtl.cygnus.com) + + * expmed.c (expand_divmod): Always return gen_lowpart (mode, ...). + +Fri Jul 1 19:28:39 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * reorg.c (make_return_insns): Make sure redirecting a jump to + a RETURN insn does not invalidate the delay slots of the jump. + +Fri Jul 1 16:32:58 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * longlong.h: (arm umul_ppmm): Fix typos in last change. Mark + hard-coded registers with "%|". + +Fri Jul 1 10:08:47 1994 Jason Merrill (jason@deneb.cygnus.com) + + * toplev.c (compile_file): Pass through static consts and inlines + multiple times in case they reference each other. + +Fri Jul 1 07:41:19 1994 Torbjorn Granlund (tege@tiny.cygnus.com) + + * longlong.h: Test for _AM29K and _IBMR2, not ___AM29K__ + and ___IBMR2__. + (arm umul_ppmm): New definition. + (clipper umul_ppmm, smul_ppmm, __umulsidi3): New definitions. + (hppa count_leading_zeros): New definition. + (i960 umul_ppmm, __umulsidi3): New definitions. + (mc68000 umul_ppmm): Use %. before size suffixes. + (mc88110 umul_ppmm, udiv_qrnnd): Rewrite, + (mc88000): Get UMUL_TIME and UDIV_TIME right. + (mips): Get UMUL_TIME right. + (ns32000 umul_ppmm): New definition. + (ns32000 udiv_qrnnd): Rename from bogus div_qrnnd, rewrite. + (powerpc umul_ppmm, smul_ppmm): New definitions. + (_IBMR2/powerpc add_ssaaaa, sub_ddmmss): Improve. + (pyr umul_ppmm): Fix typo. + (sparc add_ssaaaa, sub_ddmmss): Match constant 0 for all inputs. + (vax sdiv_qrnnd): New definition. + + * expmed.c (expand_divmod): Put OP0 in a register when computing + remainder, or when OP1 is constant. + +Fri Jul 1 06:46:09 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * jump.c (jump_optimize): Don't convert if (foo) x++ into an + add of an scc unless X has no side effects and can't trap. + + * c-parse.in (initelt): The equal sign is optional when + positioning to a single element of an array. + + * c-typeck.c (push_init_level): If not at "unfilled" position, + set constructor_incremental to 0; likewise for range. + + * xm-alpha.h: If GNUC, include alloca.h, else declare alloca. + + * m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): New macro. + + * expmed.c (expand_divmod): Don't set REG_NOTES unless we generated + a quotient. + +Thu Jun 30 18:25:52 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * gcc.c (do_spec_1, case 'P'): Don't add underscores to macros + starting with '_[A-Z]'. + +Thu Jun 30 18:16:36 1994 Will Athanasiou (will@guardian.westford.ccur.com) + + * m68k.md (umulsi3_highpart, smulsi3_highpart): Fix constraint + for operand 0 in define_insn. + +Thu Jun 30 16:07:33 1994 Kaveh R. Ghazi (ghazi@noc.rutgers.edu) + + * fixincludes: Put wrappers around <time.h> and <sys/time.h> to + avoid multiple inclusion errors on m88k-tektronix-sysv3. + +Thu Jun 30 12:08:48 1994 Kresten Krab Thorup (krab@spiff.gnu.ai.mit.edu) + + * objc-act.c, objc/init.c (OBJC_VERSION): Incremented to 6. + + * objc/sendmsg.c (INVISIBLE_STRUCT_RETURN): New macro. + (__objc_block_forward): Declare depending on the above. + + * objc/class.c (objc_next_class): New function. + * objc/objc-api.h (objc_next_class): New function. + + * objc-act.c (get_proto_encoding, build_typed_selector_reference): + New fucnctions. (UTAG_PROTOCOL): New define. + (objc_selector_template, flag_typed_selectors): New variables. + (objc_init): set flag_typed_selectors if -fgnu-runtime. + (synth_module_prologue): Change declaration of + _OBJC_SELECTOR_TABLE when flag_typed_selectors is non-null. + (build_module_descriptor): Make sure the generated constructor + function is declared public. + (build_selector): Only cast to SEL when not doing typed selectors. + (build_selector_translation_table): Rewrite initialization. + (build_tmp_function_decl): Make up new name when called, since it + may now be called multiple times. + (hack_method_prototype): Use init_function_start to reinit args + machinery. Also set current_function_decl before calling + assign_parms. + (generate_protocols): Don't generate encoding twice. + (build_selector_template): New function. + (build_method_list_template): Generate (void*)0 as first element, + not (int)0. + (build_message_expr): move the call to build_selector_reference + towards the end, where we have determined the function prototype. + + * objc/Object.h, objc/Object.m (read:, write:, streamVersion:): + Un-disable for alpha. (forward::, performv::): Declare and fix to + return retval_t. + * objc/archive.c: Completely rewritten to handle 64 bit longs and + pointers. + * objc/class.c (class_pose_as): Rewritten. + * objc/encoding.c: use new ROUND macro for alignment rounding. + * objc/init.c, objc/selector.c, objc/sendmsg.c: Rewritten to + handle new selectors. + +Thu Jun 30 07:49:50 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.h (INITIAL_ELIMINATION_OFFSET): Check frame_pointer_needed when + eliminating the arg pointer into the stack pointer. + +Thu Jun 30 06:25:50 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (c_build_type_variant): Remove last change; instead, + copy TYPE if not in old obstack. + +Wed Jun 29 21:51:52 1994 Jason Merrill (jason@deneb.cygnus.com) + + * toplev.c (lang_options): Add -W{no-,}non-virtual-dtor. + +Wed Jun 29 19:23:27 1994 David Mosberger-Tang (davidm@piston.cs.arizona.edu) + + * final.c (end_final,profile_function): Profiling variables are + size of pointer, not int. + * alpha.h (LIB_SPEC): If -pg, add -lprof2. + (STARTFILE_SPEC, {FUNCTION,BLOCK,FUNCTION_BLOCK}_PROFILER): New macros. + +Wed Jun 29 15:52:45 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * loop.c (basic_induction_var, case REG): Allow previous + insn to set a SUBREG of X. + + * alpha.c (alpha_sa_size): Round size to 16-byte boundary. + (add_long_const): Add new arg, TEMP_REG. + (output_{pro,epi}log): Rework to put save area between outgoing + args and local variables. + * alpha.h (FRAME_POINTER_REGNUM): Now register 63. + (HARD_FRAME_POINTER_REGNUM): New macro. + (CONDITIONAL_REGISTER_USAGE, REG_CLASS_CONTENTS, REGNO_REG_CLASS): + Show register 63 is not an FP register. + (REGHNO_OK_FOR_BASE_P, REG_OK_FOR_BASE_P, REGISTER_NAMES): Likewise. + (ALPHA_ROUND): New macro. + (STARTING_FRAME_OFFSET, ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): + Modify to reflect save area between outgoing args and local vars. + * alpha.md: Add new pattern for double-add when have + reg + frame pointer. + Slight changes to all such patterns and add define_splits for them. + + * global.c (global_alloc): Make a more accurate attempt to see + if the frame pointer will be used. + If it is, show HARD_FRAME_POINTER_REGNUM used if its not + the same as FRAME_POINTER_REGNUM. + * reload1.c (reload): Can't eliminate if frame pointer needed + and TO is stack pointer. + Spill HARD_FRAME_POINTER_REGNUM if not FRAME_POINTER_REGNUM + and frame pointer is needed. + (spill_hard_reg): If CANT_ELIMINATE, set regs_ever_live; + no longer done by callers. + + * a29k.md (movqi): Add missing `DONE'. + +Wed Jun 29 15:44:18 1994 Doug Evans (dje@canuck.cygnus.com) + + * sparc/sparc.h (CPP_SPEC): Split up v9/non-v9 stuff. + Move -Acpu and -Amachine from here. + (CPP_PREDEFINES): To here. + (NO_BUILTIN_PTRDIFF_TYPE): Undefine. + (NO_BUILTIN_SIZE_TYPE): Likewise. + (PTRDIFF_TYPE): Split up v9/non-v9 definitions. + (SIZE_TYPE): Likewise. + * sparc/sp64-elf: (PTRDIFF_TYPE): Remove dependence on POINTER_SIZE. + (SIZE_TYPE): Likewise. + +Wed Jun 29 15:28:17 1994 Michael Meissner (meissner@osf.org) + + * cccp.c (collect_expansion): Always put 1 space after the macro + expansion in ANSI mode to fix regression from June 24th. + +Tue Jun 28 22:41:52 1994 Doug Evans (dje@cygnus.com) + + * combine.c (simplify_set): Evaluate HAVE_conditional_move at runtime. + +Tue Jun 28 20:27:08 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * optab.c (expand_binop): Convert OP0 to mode for library calls. + + Changes to optimize division-by-constants, and make ceil and floor + rounding work correctly: + * expmed.c (expand_mult): Generalize to call synth_mult also + for OP1 - 1. + (ceil_log2): New function. + (choose_multiplier): New function. + (invert_mod2n): New function. + (expand_mult_highpart_adjust): New function. + (expand_mult_highpart): New function. + (EXACT_POWER_OF_2_OR_ZERO_P): New macro. + (expand_divmod): Almost completely rewritten. + (expand_shift): Don't truncate immediate shift count, it doesn't work + for types smaller than int. + * expr.h (smul_highpart_optab, umul_highpart_optab): New variables. + * genopinit.c (optabs): Add [us]mul_highpart_optab. + * optabs.c (smul_highpart_optab, umul_highpart_optab): New variables. + (expand_binop): Handle [us]mul_highpart_optab as commutative. + (init_optabs): Initialize [us]mul_highpart_optab. + * fold-const.c (div_and_round_double): Make it globally accessible. + * a29k.md (smulsi3_highpart, umulsi3_highpart): New patterns. + * alpha.md (umuldi3_highpart): New expander and matcher. + * alpha.c (cint8_operand): New predicate. + * m68k.md (umulsi3_highpart, const_umulsi3_highpart): + New expander and matcher. + (smulsi3_highpart, const_smulsi3_highpart): Likewise. + +Tue Jun 28 13:42:10 1994 Jim Wilson (wilson@cygnus.com) + + * sol2.h (CPP_SPEC): Handle -msupersparc. + * sparc.c (cpu_type, sparc_cpu_type): Rename to arch_type and + sparc_arch_type. Fix all users. + (supersparc_adjust_cost): New function. + * sparc.h (cpu_type, sparc_cpu_type): Rename to arch_type and + sparc_arch_type. + (CPP_SPEC): Handle -msupersparc. + (MASK_SUPERSPARC, TARGET_SUPERSPARC): New macros. + (TARGET_SWITCHES): Add -msupersparc and -mcypress. + (ADJUST_COST): New macro. + * sparc.md (cpu attribute): Rename to arch attribute. Add a new + cpu attribute. Fix all users. + (type attribute): Add ialu, shift, imul, fpdivs, and fpdivd. + Delete fpdiv. + (function units): Add Cypress and Supersparc versions of each. + (addsi3, subsi3, andsi3, iorsi3, xorsi3): Add ialu type attribute. + (mulsi3): Add imul type attribute. + (divtf3, divdf3): Use fpdivd not fpdiv type attribute. + (divsf3); Use fpdivs not fpdiv type attribute. + (ashlsi3, ashrsi3, lshrsi3): Add shift type attribute. + + * i960.md (andsi3+6): Replace bad clrbit pattern with two working + ones. + +Tue Jun 28 13:31:31 1994 Uwe Seimet (seimet@iris1.chemie.uni-kl.de) + + * configure (m68k-atari-sysv4*): New configuration. + * m68k/atari.h, m68k/xm-atari.h: New files. + +Tue Jun 28 12:41:32 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.md (define_split for (plus (reg) (large_constant))): Treat + large_constant as signed. + +Tue Jun 28 05:46:55 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (eliminate_regs_in_insn): When checking for moves + and adds, use single_set. + + * reload1.c (reloads_conflict): Handle R1_TYPE of RELOAD_OTHER. + + * expr.c (do_jump, case BIT_AND_EXPR): Only narrow to a type + that corresponds to a mode. + +Tue Jun 28 05:41:29 1994 Will R. Athanasiou (will@westford.ccur.com) + + * rs6000.h (MEMORY_MOVE_COST): Make processor-dependent. + * rs6000.md (movsf): Emit frsp if storing to memory and not PowerPC. + (movsf matcher): Remove explicit frsp. + (store sf with update): Likewise. + * rs6000.c: Include ctype.h. + +Tue Jun 28 05:40:44 1994 Mike Collison (collison@chianti.sw.stratus.com) + + * real.c: Treat HFmode like SFmode, for now. + +Mon Jun 27 19:16:49 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * optabs.c (expand_binop, multi-words shifts and rotates): + Fix errors in last change. + +Mon Jun 27 11:29:18 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.c: Include "expr.h". + (arm_fpu): New variable. + (arm_gen_movstrqi): Fix typo. + * arm.h: (enum floating_point_type): New enumeration type. + (arm_fpu): New declaration. + * arm.md: (function_unit fpa): Add more accurate scheduling + information. + (all floating point patterns): Add more detailed instruction type + information to attributes. + * riscix.h: (STARTFILE_SPEC,SIZE_TYPE,PTRDIFF_TYPE): Fix typos. + (ASM_FINAL_SPEC): Only reject -mbsd and -mxopen when -pedantic. + +Sun Jun 26 05:37:26 1994 Pat Rankin (rankin@eql.caltech.edu) + + * toplev.c (v_message_with_decl): Avoid fwrite for stderr; mixing + it with fprintf and fputs can cause strange results under VMS. + +Sat Jun 25 06:07:56 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * combine.c (distribute_notes, case REG_DEAD): If a call uses a + hard reg, then this is where it dies. + +Fri Jun 24 19:09:33 1994 Chip Salzenberg (chip@fin.uucp) + + * cccp.c (create_definition): Eliminate whitespace before and + after macro definitions. + +Fri Jun 24 16:19:27 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * c-decl.c (lang_decode_option): Set warn_bad_function_cast + for -Wbad-function-cast. + * c-typeck.c (build_c_cast): Issue a warning for non-matching cast + from a function call (like malloc without proto). + * c-tree.h: Declare warn_bad_function_cast. + * toplev.c (lang_options): Add -W[no]-bad-function-cast. + +Fri Jun 24 16:09:12 1994 Pat Rankin (rankin@eql.caltech.edu) + + * vax.h (ASM_IDENTIFY_LANGUAGE): New macro. + +Fri Jun 24 15:36:37 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * jump.c (jump_optimize): If we reverse "if (foo) bar else break;" + and there follows a NOTE_INSN_LOOP_END, move the note before "bar". + + * arm.md (movstrsi): Delete. + (movstrqi): New expand. + * arm.h (arm_gen_movstrqi): New function. + +Fri Jun 24 14:43:46 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_builtin_saveregs): Fix typo in computing value + for __base. + + * vax.md (zero_extract patterns): Don't allow constants in + the first operand of ZERO_EXTRACT since the recognizer + function forces them to match the mode of the match_operand. + + * c-typeck.c (decl_constant_value): Test for const and + not iterator. + (default_conversion, digest_init): Remove redundant checks + before calling decl_constant_value. + (convert_for_assignment): See if RHS has a constant value. + + * m68k.md (ashrsi3, lshrsh3): Remove patterns using bfext[su]. + + * reg-stack.c (goto_block_pat): Ignore undefined label. + +Thu Jun 23 22:07:42 1994 Doug Evans (dje@cygnus.com) + + * sparc/sp64-elf.h (LINK_SPEC): Fix typo. + (PTRDIFF_TYPE): Likewise. + +Thu Jun 23 19:15:36 1994 Jason Merrill (jason@deneb.cygnus.com) + + * tree.h (TREE_SYMBOL_REFERENCED): New macro. + * varasm.c (assemble_name): Set TREE_SYMBOL_REFERENCED on the + identifier for `name'. + * toplev.c (compile_file): Use TREE_SYMBOL_REFERENCED instead of + TREE_USED and TREE_ADDRESSABLE where appropriate. + +Thu Jun 23 19:06:05 1994 Randy Wright (rwright@dhostwo.convex.com) + + * cse.c (simplify_unary_operation, case UNSIGNED_FLOAT): Add + missing cast to unsigned. + +Thu Jun 23 19:00:18 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (fix_truncdfsi2, movsf, movdi): Use assign_stack_temp. + (mulsidi3): Add earlyclobber constraint modifier to PowerPC + version and !TARGET_POWERPC64 to final condition. + + * rs6000.h (CPP_PREDEFINES): Define _POWER (alias for _IBMR2). + (CPP_SPEC): New macro. + * powerpc.h (ASM_SPEC): Use PowerPC mode, not 601 mode. + (CPP_SPEC): New macro. + (TARGET_DEFAULT): Generate pure PowerPC code, not 601-specific. + +Thu Jun 23 18:09:23 1994 Pat Rankin (rankin@eql.caltech.edu) + + * vax.h (CPP_PREDEFINES): Add `__vax__'. + * vax/vms.h (CPP_PREDEFINES): Add `__vax__', `__vms__', and `__VMS__'; + update __GNUC_MINOR__ to 6. + +Thu Jun 23 17:59:41 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * toplev.c (compile_file): Don't try to write function if we + didn't save insns for it. + + * reload.c (find_reloads): Don't rejecting non-const due to value + of PREFERRED_RELOAD_CLASS if no regs were valid for alternative. + +Thu Jun 23 17:45:55 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.c (output_move_double): If the dest is register pair and both + regs are used in src address, use ADDR to compute src address, not + ADDD, which throws away scaled index. + +Thu Jun 23 17:40:06 1994 Craig Burley (burley@gnu.ai.mit.edu) + + * c-decl.c (clear_binding_level): Add missing fields in initializer. + (c_decode_option): Correct misspelling of -fno-dollars-in-identifiers. + +Thu Jun 23 13:47:23 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Fix return type of sbrk in <unistd.h> on Alpha + OSF/1 V2.0. Also, redirect grep errors to /dev/null in <assert.h> + fix. + +Thu Jun 23 12:08:23 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.c: Include tree.h. + (const_ok_for_arm): Add fast return for 0 or just one non-zero bit. + (const_ok_for_op, arm_split_constant): New functions. + (arm_rtx_costs, reg_or_int_operand): New functions. + (shift_operator): Accept ROTATERT. + (multi_register_push): New function. + (shift_op): Don't abort if a constant is outside the acceptable range, + but convert the whole shift expression into something legal. If the + shift is zero, then return NULL. + (output_return_instruction): Output a call to abort if the function is + volatile. + (arm_volatile_func): New function. + (get_prologue_size): Remove all adjustments for insns that are now + output as rtx. + (output_func_prologue): Remove all code that outputs instructions, + just print a few comments. + (output_func_epilogue): Output a call to abort if a volatile function + tries to return. + (emit_multi_reg_push): New function. + (arm_expand_prologue): New function. Don't bother to push call-saved + regs if we will never return. + (arm_print_operand, case 'S'): If shift_op returns NULL, then no shift + is required. + * arm.h (TARGET_WHEN_DEBUGGING): Delete. + (MODES_TIEABLE_P): All modes of the same class are tieable. + (CONST_OK_FOR_LETTER_P): Add 'M' for constants valid in a shift. + (FUNCTION_PROFILER): Don't call arm_increase_location. + (INITIAL_ELIMINATION_OFFSET): Call saved regs are no-longer pushed for + functions that don't return. + (LEGITIMIZE_ADDRESS): Push constants that will never be legitimate -- + symbols and labels -- into registers. Handle DImode better. + (DEFAULT_SIGNED_CHAR): Use unsigned unless already defined. + (RTX_COSTS): Call arm_rtx_costs. + (ADDRESS_COST): Since most operations have the same rtx cost, make the + more complex addresses cheaper. + (PREDICATE_CODES): Add ROTATERT to shift_operator; and new predicates + for reg_or_int_operand and multi_register_push. + (DBX_CONTIN_LENGTH): Only define if not already done. + (PRINT_OPERAND_ADDRESS): Let arm_print operand output the ", " for + shifts. + * arm.md (addsi3, subsi3, andsi3, iorsi3, ashlsi3, ashrsi3, lshrsi3, + rotrsi3): Rewrite as expand patterns. + (rotlsi3): New expand. + (matchers, and split patterns for above): New. + (all patterns with shifts): Let arm_print_operand output the ", " + before a shift if it is needed. + (zero_extendqihi2): Delete. + (zero_extendqisi2): Expand to (and ...) if not memory. + (movsi): Call arm_split_constant to generate a constant. + (movqi): Only force a MEM into a register if not reloading. + (movsf, movdf): If loading a non-immediate floating point value, or + loading and floating point immediate into integer regs, push the + constant straight into the pool. + (movdf): Get rid of the scratch register. + (reload_outdf): Rewrite to expand to the two required insns. + (matcher for movdf): Remove alternative that used scratch register for + storing. + (movxf): rewrite as expand. + (matcher for movxf): Recognize even when XFmode code is disabled, so + that prologue insns can be generated. + (Matcher for reversed conditional jump): Don't match if the mode of the + CC register is not reversible. + (prologue): New expand. + (matcher for multi_register_push insn): New. + * riscix.h: Delete some dead code. + (STARTFILE_SPEC): Look in the correct places for start files. + (LIB_SPEC): Define. + (LINK_SPEC): Define. + (TARGET_WHEN_DEBUGGING): Delete. + (DEFAULT_SIGNED_CHAR): Set to unsigned. + (SIZE_TYPE, PTRDIFF_TYPE, TARGET_EDOM): Define. + * rix-gas.h (DBX_CONTIN_LENGTH): Set to 80. + (DEFAULT_GDB_EXTENSIONS, DBX_NO_XREFS): Don't try to pander to dbx, it + is just to broken to use. + +Wed Jun 22 20:13:03 1994 Will Athanasiou (will@westford.ccur.com) + + * configure (m68k-ccur-rtu): New configuration. + * config.sub (m68k-ccur): New system. + * protoize.c: Include <dirent.h>, not <sys/dir.h> on Concurrent. + * ccur-GAS.h, x-ccur: New files. + +Wed Jun 22 18:49:17 1994 Walter Misar (misar@rbg.informatik.th-darmstadt.de) + + * m68k/hp320.h (LINK_SPEC): New macro. + +Wed Jun 22 18:43:51 1994 Ian Lance Taylor (ian@cygnus.com) + + * configure: For target alpha-*-*, if using gas, set + target_cpu_default to 4. + * config/alpha/alpha.h (TARGET_SWITCHES): Include + TARGET_CPU_DEFAULT in default value. + (TARGET_CPU_DEFAULT): Define as 0 if not already defined. + (ASM_FINAL_SPEC): Include TARGET_CPU_DEFAULT in test for which + version to define. + +Wed Jun 22 18:15:41 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * loop.c (strength_reduce): When replacing DEST_ADDR givs, make + sure resulting insn is valid. + + * optabs.c (expand_binop): New variable next_methods; pass to + most recursive calls when trying to avoid libcalls. + Always check for a return value of zero in recursive calls. + (expand_float): Ensure TARGET has proper mode. + Pass OPTAB_LIB_WIDEN to expand_binop calls. + +Tue Jun 21 14:35:38 1994 Doug Evans (dje@cygnus.com) + + * cccp.c (skip_to_end_of_comment): Catch unterminated comments. + +Sat Jun 18 17:49:41 1994 Jason Merrill (jason@deneb.cygnus.com) + + * fixproto: Move hacking of assert.h from here. + * fixincludes: To here. + +Sat Jun 18 16:42:31 1994 Jim Wilson (wilson@cygnus.com) + + * c-typeck.c (process_init_element): For fieldtype, don't access + TYPE_MAIN_VARIANT field if the type is error_mark_node. + + * jump.c (duplicate_loop_exit_test): Initialize copy to zero. + Emit jump to end lable if copy is still zero. + + * mips.md (truncdisi2): Change from define_insn to define_expand. + (truncdihi2, truncdiqi2, extendsidi2): Likewise. + (extendsidi2_internal): New pattern. + + * loop.c (move_movables): Copy CALL_INSN_FUNCTION_USAGE field. + + * sdbout.c (sdbout_one_type): Use DECL_ASSEMBLER_NAME if + DECL_LANG_SPECIFIC is set. Use DECL_ASSEMBLER_NAME not + DECL_NAME for child_type that is a template type. + (sdbout_symbol): Use DECL_ASSEMBLER_NAME if DECL_LANG_SPECIFIC + is set. + +Sat Jun 18 16:39:03 1994 Kung Hsu (kung@mexican.cygnus.com) + + * dbxout.c (dbxout_symbol): Replace DECL_IGNORED_P with + TYPE_DECL_SUPPRESS_DEBUG. + +Sat Jun 18 10:21:44 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (expand_shift): Don't try extzv for lshr. + + * vax.md (lshrsi3): New define_expand. + + * optabs.c: Pass NULL_RTX for TARGET in calls to expand_{un,bin}op. + (expand_float): Use expand_shift instead of expand_binop. + +Fri Jun 17 15:05:58 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Correct math.h on Lynx handling again. + +Fri Jun 17 10:52:41 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * cse.c (simplify_binary_operation, case MINUS): Check mode of op0, + instead of op1, before calling plus_constant. + +Fri Jun 17 01:42:37 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (DEBUGGER_AUTO_OFFSET): Define. If no frame pointer + is available, then adjust the offset by the size of the current + frame. + +Thu Jun 16 16:35:12 1994 Jason Merrill (jason@deneb.cygnus.com) + + * tree.h (DECL_DEFER_OUTPUT): New macro. + * toplev.c (compile_file): Unset DECL_DEFER_OUTPUT on decls + considered at end of file. + * integrate.c (output_inline_function): Unset DECL_DEFER_OUTPUT on + fndecl. + * toplev.c (rest_of_compilation): Also postpone compilation of + inlines with DECL_DEFER_OUTPUT set. + (compile_file): Always emit postponed inlines if + -fkeep-inline-functions. + +Thu Jun 16 11:00:14 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Fix argument type for ffs in <string.h> on Alpha + OSF/1 V2.0. + +Thu Jun 16 06:49:03 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reload_reg_free_p, case RELOAD_OTHER): Allowed + to conflict with RELOAD_FOR_OTHER_ADDRESS. + + * cse.c (set_nonvarying_address_components): Rework and also + handle an AND used for non-aligned accesses. + +Thu Jun 16 06:36:49 1994 Chip Salzenberg (chip@fin.uucp) + + * i386.h (REG_ALLOC_ORDER): Prefer registers listed in + CALL_USED_REGISTERS. + +Wed Jun 15 20:45:14 1994 Jason Merrill (jason@deneb.cygnus.com) + + * tree.h (TREE_NO_UNUSED_WARNING): Note that this can be applied + to COMPOUND_EXPRs, too. + + * stmt.c (warn_if_unused_value): Handle TREE_NO_UNUSED_WARNING for + COMPOUND_EXPRs, too. + +Wed Jun 15 20:35:21 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (divsi3): Fix divide by 2^N with compare RTL. + + * rs6000.md (maxsf3, minsf3, maxdf3, mindf3): Fix predicate of + define_split. + (muldi3): Fix predicate. + (movdf matcher): Allow update and indexed for lfd instruction. + +Wed Jun 15 19:24:23 1994 Doug Evans (dje@cygnus.com) + + * dbxout.c (dbxout_type): Fix call to bzero. + +Wed Jun 15 19:20:34 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (simplify_unary_operation): Fix typo in last change. + +Wed Jun 15 15:20:54 1994 Per Bothner (bothner@cygnus.com) + + * dbxout.c (dbxout_range_type): Handle the case that an array + range is neither an integer nor a sub-range. (In Pascal or + Chill it could be a Boolean, character, or enumeral type.) + +Wed Jun 15 04:00:42 1994 Ian Lance Taylor (ian@cygnus.com) + + * genmultilib: New shell script to generate multiple library + information. + * Makefile.in (multilib.h, stmp-multilib, install-multilib): New + targets. + (gcc.o): Depend on multilib.h. + (clean): Remove multilib.h and tmpmultilib*. + * gcc.c: Include multilib.h. + (print_multi_lib, print_multi_directory, multilib_select, + multilib_dir): New static variables. + (option_map): Added --print-multi-lib and --print-multi-directory. + (set_spec): Get multilib_select from specs file. + (process_command): Dump multilib_select into specs file. Handle + -print-multi-lib and -print-multi-directory. + (do_spec_1): Try multilib_dir for %D case. + (find_file): Try multilib_dir. + (main): Call set_multilib_dir. Handle print_multi_lib and + print_multi_directory. + (used_arg, set_multilib_dir, print_multilib_info): New functions. + * configure (sparc-*-sunos4*): Use target fragment sparc/t-sunos4. + * sparc/t-sunos4: New file. + +Wed Jun 15 03:54:32 1994 Doug Evans (dje@cygnus.com) + + Add support for the SPARC V9 cpu. + * configure (sparc64-*-aout): New target. + (sparc64-*-elf): New target. + * config.sub (sparc64): New cpu. + (aout, elf): New os's. + * genconfig.c (main): Allow targets to override HAVE_conditional_move. + * jump.c (jump_optimize): Use it at run-time. + * sparc/t-sp64: New file. + * sparc/sp64-aout.h: New file. + * sparc/sp64-elf.h: New file. + * sparc/sysv4.h (ASM_OUTPUT_CASE_LABEL): Handle 64 bit pointers. + * sparc/sparc.h (cpu_type): New enum. + (CPP_PREDEFINES,CPP_SPEC): Add v9 support. + (NO_BUILTIN_PTRDIFF_TYPE, NO_BUILTIN_SIZE_TYPE, MAX_WCHAR_TYPE_SIZE, + SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, + FLOAT_TYPE_SIZE, DOUBLE_TYPE_SIZE, MAX_INT_TYPE_SIZE, + MAX_LONG_TYPE_SIZE): Define. + (PTRDIFF_TYPE, SIZE_TYPE, BITS_PER_WORD, MAX_BITS_PER_WORD, + UNITS_PER_WORD, MAX_UNITS_PER_WORD, LONG_DOUBLE_TYPE_SIZE, + POINTER_SIZE, PARM_BOUNDARY, STACK_BOUNDARY, SPARC_STACK_ALIGN, + EMPTY_FIELD_BOUNDARY, BIGGEST_ALIGNMENT, FIRST_PSEUDO_REGISTER, + FIXED_REGISTERS, CALL_USED_REGISTERS, CONDITIONAL_REGISTER_USAGE): + Add v9 support. + (sparc_override_options, sparc_code_model): Declare. + (OVERRIDE_OPTIONS): Call it. + (MASK_*): Define bits set by target flags. + (TARGET_*): Use them. + ({MASK,TARGET}_{V9,INT64,LONG64,PTR64,ENV32,STACK_BIAS, + MEDLOW,MEDANY,FULLANY}): Define. + (MEDANY_BASE_REG): Define. + (V9_SWITCHES, TARGET_OPTIONS): Define. + (TARGET_SWITCHES, TARGET_DEFAULT): Use MASK_*. + (SPARC_STACK_BIAS, SECONDARY_MEMORY_NEEDED_MODE): Define. + (SECONDARY_MEMORY_NEEDED): Simplify. + (hard_regno_mode_class, sparc_mode_class, sparc_cpu_type): Declare. + (REG_PARM_STACK_SPACE): Do not define if v9. + (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, MODES_TIEABLE_P, + RETURN_IN_MEMORY, STRUCT_VALUE, STRUCT_VALUE_INCOMING, reg_class, + REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS, REG_ALLOC_ORDER, + REG_LEAF_ALLOC_ORDER, LEAF_REGISTERS, REG_CLASS_FROM_LETTER, + CLASS_MAX_NREGS, STARTING_FRAME_OFFSET, FIRST_PARM_OFFSET, + BASE_RETURN_VALUE_REG, BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG, + BASE_INCOMING_ARG_REG, FUNCTION_ARG_REGNO_P): Add v9 support. + (sparc_arg_class): New enum (v9 only). + (sparc_args): New struct to record v9 arguments. + (CUMULATIVE_ARGS): Use it (v9 only). + (GET_SPARC_ARG_CLASS): Define. + (sparc_arg_count, sparc_n_named_args): Declare. + (PASS_IN_REG_P): Define. + (ROUND_REG, ROUND_ADVANCE, INIT_CUMULATIVE_ARGS, FUNCTION_ARG_ADVANCE, + FUNCTION_ARG, FUNCTION_INCOMING_ARG, FUNCTION_ARG_PARTIAL_NREGS, + FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): + Add v9 support. + (sparc64_init_expanders, sparc64_fpconv_stack_temp): Declare. + (INIT_EXPANDERS): Define (v9 only). + (gen_v9_scc, output_v9branch): Declare. + (HAVE_conditional_move): Define. + (FUNCTION_PROFILER, FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX, REGNO_OK_FOR_FP_P, + REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P, EXTRA_CONSTRAINT, + CASE_VECTOR_MODE, Pmode, EXTRA_CC_MODES, EXTRA_CC_NAMES, + SELECT_CC_MODE, REGISTER_NAMES): Add v9 support. + (REGNO_OK_FOR_CCFP_P): Define. + (sparc_initialize_trampoline, sparc64_initialize_trampoline): Declare. + (INITIALIZE_TRAMPOLINE): Call them. + (ENCODE_SECTION_INFO): Mark functions in v9. + (RTX_COSTS): Assume MULT costs the same for v9 as v8. + (ASM_LONGLONG, ASM_FLOAT): Define. + (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Add v9 support. + * sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Define. + (sparc_cpu_type, sparc_arg_count, sparc_n_named_args, + frame_base_offset, fpconv_stack_temp): New globals. + (leaf_reg_remap): Add additional registers for v9. + (sparc_override_options, sparc64_init_expanders, + sparc64_fpconv_stack_temp, intreg_operand, ccfp_reg_operand, + data_segment_operand, text_segment_operand, v9_regcmp_op, + arith11_operand, arith10_operand, arith11_double_operand, + arith10_double_operand, gen_v9_scc, emit_v9_brxx_insn, + sparc_init_modes, build_big_number, output_v9branch, + sparc_initialize_trampoline, sparc64_initialize_trampoline): + New functions. + (arith_double_operand, gen_compare_reg, finalize_pic, + emit_move_sequence, mem_aligned_8, output_move_double, + output_move_quad, output_fp_move_double, output_fp_move_quad, + output_block_move, save_regs, restore_regs): Add v9 support. + (sparc_mode_class): New enum. + (*_MODES): Redefine to use it. + (hard_32bit_mode_classes): Renamed from hard_regno_mode_ok. + (hard_regno_mode_classes, hard_64bit_mode_classes, + sparc_mode_class): New globals. + (num_gfregs): Renamed from num_fregs. + (compute_frame_size): Add v9 support. Simplify calculations. + (output_function_prologue): Call build_big_number to compute stack + size in %g1, then adjust %sp. + Fix saving of call saved registers. Handle new v9 registers. + (output_function_epilogue): Fix restoration of call saved registers. + Handle new v9 registers. + Use SKIP_CALLERS_UNIMP_P to see if unimp insn is at return address. + (sparc_builtin_saveregs): Define v9 version. + (output_cbranch): New argument fp_cond_reg. All callers changed. + Add v9 support. + (output_return): Use SKIP_CALLERS_UNIMP_P. + (print_operand): New codes '_', '@', 'C', 'D'. + (output_double_int): Handle LABEL_REF and MINUS for v9. + Use ASM_LONGLONG if assembler can handle it. + * sparc/sparc.md (cpu): New attribute. + (type attribute): New value cmove (conditional moves). + (cmpdi): New pattern for v9. + (seq*, sne*): Add v9 support. + (sgt,slt,sge,sle): Explicitly restrict operand 0 to the integer + registers. Try emitting a conditional move for v9. + (sgtu,sltu,sgeu,sleu): Likewise. + (comparison insns): Add v9 versions. + (scc insns): Add DImode versions for v9. + (beq, bne, bgt, blt, bge, ble): If comparing DImode with 0 on v9, + use brxx insns. Use emit_jump_insn, not emit_insn, as the latter + mishandles brxx insns. + (branch insns): Update calls to output_cbranch. + Add v9 versions to support multiple floating point condition code regs. + Add v9 versions to support brxx insns. + (lo_sum, high, pic): Add v9 support. + (symbolic move patterns): Disable for v9. + (DImode, DFmode, TFmode moves): Add v9 support. + (conditional move insns): Define for v9. + (zero_extendqidi2, extendqidi2, zero_extendhidi2, extendhidi2, + zero_extendsidi2, extendsidi2, floatdisf2, floatdidf2, floatditf2, + fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2, muldi3, divdi3, + udivdi3, ashldi3, ashrdi3, lshrdi3, ffsdi2): New patterns for v9. + (bitfield compare insn): Add DImode version for v9. + (adddi3, subdi3, negdi2, anddi3, iordi3, xordi3, one_cmpldi2, + mixed mode fp mult insns, negdf2, negtf2, absdf2, abstf2, tablejump, + call, call_value, untyped_call, untyped_return, indirect_jump, + flush_register_windows, flush): Add v9 support. + (ldd peep holes): Disable for v9. + (set/compare peep hole): Define DImode version for v9. + (sign extend/compare peep hole): Likewise. + (return peep holes): Add v9 support. + (call/jump peep holes): Add v9 support. + * ginclude/va-sparc.h: Add v9 support. + +Tue Jun 14 22:44:52 1994 Michael Meissner (meissner@osf.org) + + * config/i386/i386.h (reg_class): Add AD_REGS that match %eax and + %edx to allow %eax:%edx to be specified as one DI register. + (REG_CLASS_NAMES): Ditto. + (REG_CLASS_CONTENTS): Ditto. + (REG_CLASS_FROM_LETTER): 'A' specifies AD_REGS. + + * config/i386/i386.md (umulqihi3): Name the insn with the standard + name. + (mulqihi3, umulsidi3, mulsidi3): Add new widening multiply + patterns. + +Tue Jun 14 22:25:16 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * fold-const.c (encode, decode): Use 4 HOST_WIDE_INTs for encoded + value with HOST_BITS_PER_WIDE_INT/2 bits in each. + (LOWPART, HIGHPART): New macros. + (BASE): Move definition outside of div_and_round_double. + (add_double, mul_double, lshift_double, rshift_double): Rewrite. + (lrotate_double): Use LOWPART, HIGHPART, and BASE. + (rrotate_double): Likewise. + (div_and_round_double): Major changes to code for general case. + Now it actually produces non-garbage results for large operands. + (div_and_round_double): Simplify condition for special code used when + divisor < BASE. + (const_binop): Delete special cases for multiplying by 0, 1, 2, 4, 8. + (fold, case *_DIV_EXPR): Don't try to optimize for overflow. + * machmode.h (MAX_SHORTS): Deleted. + + * m68k.md: Trivial simplification of many patterns. + (subsi3): Don't handle CONST_INT for operand 2. + (ashiftrt, op2 > 8): New pattern. + (lshiftrt, op2 > 8): New pattern. + + * a29k.md (logical patterns): Tune to give better code for immediate + values. + * a29k.c (cmplsrcb_operand): New predicate. + * a29k.h (PREDICATE_CODES): Add cmplsrcb_operand. + +Tue Jun 14 17:52:10 1994 Tor Egge (tegge@flipper.pvv.unit.no) + + * m88k/sysv3.h (DO_GLOBAL_CTORS_BODY): Call __builtin_alloca + with a non-zero argument, forcing a frame pointer to be needed. + +Tue Jun 14 17:37:41 1994 Mike Collison (collison@sw.stratus.com) + + * reload.h (RELOAD_FOR_OPADDR_ADDR): New reload class. + * reload.c (find_reloads): Change secondary reloads of class + RELOAD_FOR_OPERAND_ADDRESS to RELOAD_FOR_OPADDR_ADDR. + * reload1.c (reload): Process and accumulate needs for + RELOAD_FOR_OPADDR_ADDR reloads. + When determining if needs are nongroup needs, ignore + inactive or optional reloads. + (reload_reg_used_in_op_addr_reload): New variable to indicate + when reloads of class RELOAD_FOR_OPADDR_ADDR are in use. + (mark_reload_reg_in_use, clear_reload_reg_in_use): + Process reloads of class RELOAD_FOR_OPADDR_ADDR. + (reload_reg_free_p, reload_reg_free_before_p, reloads_conflict): + Likewise. + (choose_reload_regs): Support RELOAD_FOR_OPADDR_ADDR reloads. + (emit_reload_insns): Output RELOAD_FOR_OPADDR_ADDR reloads. + +Tue Jun 14 17:29:53 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cccp.c, toplev.c, tree.c, print-tree.c, fold-const.c: + Cast pointer operands to bzero, bcopy, and bcmp to (char *). + * function.c, stmt.c, expmed.c, varasm.c, emit-rtl.c: Likewise. + * dbxout.c, integrate.c, jump.c, real.h, calls.c, cse.c: Likewise. + * loop.c, unroll.c, flow.c, stupid.c, combine.c, regclass.c: Likewise. + * local-alloc.c, global.c, reload.c, reload1.c, sched.c: Likewise. + * genattrtab.c, bc-emit.c, gcc.c, collect2.c: Likewise. + + * c-decl.c (min_precision): New function. + (finish_enum): Rewrite code to determine precision required + for enumeral type. + + * cse.c (simplify_unary_operation): Correctly and consistently + handle CONST_INT cases for FLOAT and UNSIGNED_FLOAT. + + * xm-alpha.h (sbrk): Don't declare here. + + * alpha.h (CONST_COSTS, case CONST_INT): Fix typo. + + * tree.c (staticp, case FUNCTION_DECL): A nested function isn't static. + + * i386/linux.h (STARTFILE_SPEC): Don't force -static for -g. + + * gcc.c (find_a_file): Try EXECUTABLE_SUFFIX first, then file + without the suffix. + + * jump.c (jump_optimize): Don't delete dead insn if it has a + REG_RETVAL note. + + * fix-header.c (xstrdup): Renamed from strdup. + (check_protection): Call xstrdup, not strdup. + +Tue Jun 14 17:26:08 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.h (TARGET_SWITCHES): Remove -mpowerpc64 and -mno-powerpc64. + * rs6000.c (rs6000_override_options): Remove MPC620 cpu variants. + + * rs6000.c (output_prolog): Fix error in loading size of large + stack frames. + +Tue Jun 14 17:24:09 1994 Chip Salzenberg (chip@fin.uucp) + + * reload1.c (reload_as_needed): Clear spill_reg_store at start. + (emit_reload_insns): Omit erroneous predicate of reload + deletion -- reload_spill_index is not indexed by regno. + +Tue Jun 14 15:59:55 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Wrap assert.h in extern "C" { } to avoid problem on + HP/UX, which uses NO_IMPLICIT_EXTERN_C. Also fix 12 May 94 + change. + +Tue Jun 14 15:12:50 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * jump.c (condjump_in_parallel_p): New function to detect + conditional jumps within PARALLEL insns. + (jump_optimize): Allow for some simple optimizations involving + conditional jumps within PARALLEL insns. + * reorg.c (get_jump_flags): Handle conditional jumps in PARALLEL + insns. + (get_branch_condition, fill_simple_delay_slots): Likewise. + (fill_eager_delay_slots, relax_delay_slots, dbr_schedule): Likewise. + + * pa-osf.h (SIZE_TYPE): Define as "long unsigned int" to be + compatable with system include files. + * pa1-osf.h (SIZE_TYPE): Likewise. + + * pa1-osf.h (WCHAR_TYPE): Define as "short unsigned int". + (WCHAR_TYPE_SIZE): Define as 16 bits. + + * pa.c (output_arg_descriptor): Restore old behavior for SImode + USE insns of FP registers (used by untyped call support). + +Mon Jun 6 09:15:43 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.c (arm_reload_out_hi): Rewrite. Add support for processors + running in big-endian mode. + (fp_immediate_constant): Fix typo in argument declaration. + * arm.h (PROMOTE_MODE): Promote HImode integers as signed. + (BYTES_BIG_ENDIAN): Allow OS description to override default. + (LOAD_EXTEND_OP): When big-endian, HImode loads are sign extended. + * arm.md (storehi_bigend): New expansion pattern. + (storeinthi): Rework to generate better code, add big-endian support. + (movhi): Add support for processors running in big-endian mode. + (movhi_bigend): New expansion pattern. + (matcher for movhi): Remove incorrect alternative for storing HImode to + memory. Only match when little endian. + (matcher for big-endian movhi): New pattern. + (matchers/peepholes for extended pre/post increment HImode loads): Only + match when little-endian. + (matcher for operating on adjacent memory locations): Load operation + into arith operands. + (peepholes for extended pre-increment byte loads): New patterns. + +Sat Jun 4 21:06:29 1994 Kaveh R. Ghazi (ghazi@noc.rutgers.edu) + + * sys-types.h (__gnuc_va_list): Use instead of va_list. + * sys-protos.h (*): Use __gnuc_va_list, not va_list. + +Sat Jun 4 07:19:39 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.c (print_multi_reg, output_call, output_call_mem, + output_mov_long_double_fpu_from_arm, + output_mov_long_double_arm_from_fpu, + output_mov_double_fpu_from_arm, output_mov_double_arm_from_fpu, + output_return_instruction, output_func_{prologue,epilogue}, + arm_print_operand, output_load_symbol): Print the register prefix + before each register name. + (output_func_prologue, output_lcomm_directive): Output the target + dependent comment char for asm comments. + * arm.h (FUNCTION_PROFILER): Delete duplicate definition. + (FUNCTION_PROFILER, TRAMPOLINE_TEMPLATE, ASM_FILE_START, + ASM_OUTPUT_REG_{PUSH,POP}, PRINT_OPERAND_ADDRESS): Output register + prefix before any explicit register name. + (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, + ASM_OUTPUT_COMMON): Output the target dependent comment char. + (ASM_FILE_START): Output register alias for r10. + (REGISTER_NAMES): Output "r9" now for r9, not "rfp". + (ADDITIONAL_REGISTER_NAMES): New macro. + * arm.md (all patterns explicitly mentioning register names): Output + the target dependent prefix before the register name. + (all patterns with asm comments): Output the target dependent comment + character. + +Fri Jun 3 18:14:07 1994 Doug Evans (dje@cygnus.com) + + * c-common.c (decl_attributes): Fix section attributes. + * varasm.c (make_decl_rtl): If section attribute is being ignored, + really ignore it. + +Fri Jun 3 15:53:57 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * pa.h (FP_REGNO_P): New macro for intra file usage. + (REGNO_OK_FOR_FP_P): Use FP_REGNO_P. + (FUNCTION_VALUE_REGNO_P): Revert last change. + * pa.md (mulsi3): Use MATCH_DUP for op3, not MATCH_OPERAND. + + * pa.h (CONDITIONAL_REGISTER_USAGE): Partially revert last changes; + Make non-existing 1.0 fp regs fixed, including odd-numbered regs. + (enum reg_class): Get rid of SNAKE_FP_REGS, GENERAL_OR_SNAKE_FP_REGS, + and NON_SHIFT_REGS. + (REG_CLASS_NAMES): Likewise. + (REG_CLASS_CONTENTS): Likewise. + (REGNO_REG_CLASS): Likewise. + (HARD_REGNO_MODE_OK): Corresponding changes. Don't force 1.0 fpregs + to even regno here; fixed_regs does the job better. + (FP_REG_CLASS_P): Get rid of SNAKE_FP_REGS. + (REG_CLASS_FROM_LETTER, case 'z'): Deleted. + (HARD_REGNO_NREGS): Partially revert last change. + (CLASS_MAX_NREGS): Partially revert last change. + * pa.md (globally): Delete 'x' constraint or change it to 'f', + as apropriate. + +Fri Jun 3 09:18:55 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.h (CONST_OK_FOR_LETTER_P): Only allow constants that are valid + when inverted for 'K'. Only allow constants that are valid when + negated for 'L'. + * arm.md (all patterns): Update instruction generation to reflect new + meanings of constraints 'K' and 'L'. Use output type 'B' to + generate an inverted constant. Use output type 'N' to generate a + negated floating point constant. + +Thu Jun 2 22:43:58 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (TARGET_SWITCHES): Enable TARGET_LONG_CALLS when + TARGET_PORTABLE_RUNTIME is enabled. + * pa.c (output_call): If TARGET_LONG_CALLS is enabled, then emit + an inline long-call sequence. + * pa.md (millicode define_delay): Disable delay slots if + TARGET_LONG_CALLS. + (call_internal_reg, call_value_internal_reg): If TARGET_LONG_CALLS + is enabled, then emit an inline long-call sequence. Fix length + computation for TARGET_LONG_CALLS. + (millicode calls): Fix length computation for TARGET_LONG_CALLS. + + * pa.h (ASM_DECLARE_FUNCTION_NAME): Fix typo. + +Thu Jun 2 18:28:07 1994 Jason Merrill (jason@deneb.cygnus.com) + + * stmt.c (expand_end_bindings): Don't bother emitting cleanups + after a barrier. + +Thu Jun 2 18:10:36 1994 Stephen L Moshier (moshier@world.std.com) + + * libgcc2.c (__floatdisf): Protect against double-rounding error. + +Thu Jun 2 17:47:54 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.h (MASK_PPCFPX): Delete. + (MASK_PPC_GPOPT, MASK_PPC_GFXOPT, TARGET_PPC_GPOPT, TARGET_PPC_GFXOPT): + New Macros. + (TARGET_SWITCHES): Remove -mpowerpc-fpx; add -mpowerpc-gpopt + and -mpowerpc-gfxopt. + * rs6000.c (processor_target_table): Use new macros. + * rs6000.md (define_function_unit): Remove ppc604 from sqrt list. + (divsi3, udivsi3): Remove spaces from PowerPC output templates. + (sqrtsf2, maxsf3, minsf3, sqrtdf2, maxdf3, mindf3): Use new macros. + (floatdidf2, fix_truncdfdi2, ffsdi2, muldi3): New patterns. + ({s,u}muldi3_highpart, divdi3, udivdi3, rotldi3): Likewise. + (movdi): Handle moves between FPRs and GPRs. + (scc insn): Correct swapped compare and delayed_compare attributes. + +Thu Jun 2 14:45:04 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.c (arm_condition_code): Move to start of file. + (const_pool_offset): Correct typo. + (fp_const_from_val): New function. + (all instruction generators): mark position where conditionalization + should be with '%?'. + (output_move_double): Use new '%m' output type to simplify load/store + multiple generation. + (shift_instr): Delete. + (shift_op): New function. + (output_arithmetic): Delete. + (output_arithmetic_with_shift): Delete. + (output_arithmetic_with_immediate_multiply): Delete. + (output_shifted_move): Delete. + (output_shift_compare): Delete. + (arm_print_operand): New function. + * arm.h (output_func_{prologue,epilogue}): Change declarations from + output_{prologue,epilogue}. + (arm_output_llc, arithmetic_instr, + output_arithmetic_with_immediate_mulitply, + output_arithmetic_with_shift, shift_instr): Delete function + definitions. + (ASM_OUTPUT_OPCODE): Delete. + (PRINT_OPERAND): Call arm_print_operand, instead of doing it directly. + (ARM_COMMENT_CHAR): New macro. + (ARM_REG_PREFIX): New macro. + (ARM_SIGN_EXTEND): New macro. + (PRINT_OPERAND_ADDRESS): Delete variable 'shift'. Change type of + variable 'offset' to HOST_WIDE_INT. Use arm_print_operand to handle + shifts in addresses. + * arm.md (all output patterns): Use new capabilities of + arm_print_operand to simplify output sequences. Mark position of + condition code with '%?'. + + * riscix.h (ASM_FINAL_SPEC [CROSS_COMPILE]): Correct typo. + +Thu Jun 2 08:14:00 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (c_build_type_variant): Don't change TYPE_MAIN_VARIANT + of new type. + + * expr.c (expand_expr, case ADDR_EXPR): If result is ignored, + just return const0_rtx. + +Wed Jun 1 13:52:01 1994 Jason Merrill (jason@deneb.cygnus.com) + + * i386/sco4.h: #define NO_IMPLICIT_EXTERN_C. + +Wed Jun 1 04:55:06 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * arm.c: General tidy up. + #include <string.h>. + Declare some prototypes. + (output_memory_reference_mode): Change type to enum machine_mode. + (arm_const_nmoves): Delete. + (adjacent_mem_locations, {load,store}_multiple_operation): Explicitly + declare to return int. + ({load,store}_multiple_operation): Change type of 'count', 'base' and + 'i' to HOST_WIDE_INT. + (output_add_immediate): Change type of 'n' to HOST_WIDE_INT. + (output_multi_immediate): Change type of Argument 'n' to + HOST_WIDE_INT, if wider than 32 bits, mask out the high bits. + (output_arithmetic_with_immediate_multiply): Change type of 'shift' + to HOST_WIDE_INT. + (output_func_{prologue,epilogue}): Renamed from + output_{prologue,epilogue}. Check all registers to see if they are + live, but only push/pop them if they are not in call_used_regs. + * arm.h: Delete some dead code. + (FUNCTION_{PROLOGUE,EPILOGUE}): Call output_func_{prologue,epilogue}. + (INITIAL_ELIMINATION_OFFSET): Inspect all registers, but only add + those that are not in call_used_regs. + (GO_IF_LEGITIMATE_INDEX): Change type of variable 'range' to + HOST_WIDE_INT; change type of variable 'code' to enum rtx_code. + (REVERSIBLE_CC_MODE): New macro. + + * arm.c (const_pool_offset): New function. + (get_prologue_size): New function. + (output_func_prologue): Eliminate variable code_size. + (output_func_epilogue): Only call arm_increase_location when + optimizing; also add the size of the function just compiled, and the + size of the prologue. + (arm_output_asm_insn): Delete. All callers changed to use + output_asm_insn. + (arm_output_llc): Delete. + (output_load_symbol): New first parameter 'insn'. Rewrite so that + assembler can detect whether we made a mistake. + * arm.h (arm_output_asm_insn): Delete declaration. + (EXTRA_CONSTAINT): New constraint 'R' to match a constant pool label. + Make constraint 'S' never match when not optimizing. + (CONSTANT_ADDRESS_P): Only accept symbols marked with SYMBOL_REF_FLAG + when optimizing. + (ENCODE_SECTION_INFO): Don't mark any symbols when not optimizing. + (ASM_OUTPUT_REG_{PUSH,POP}: Don't call arm_increase_location. + (ASM_OUTPUT_ADDR_VEC_ELT): Likewise. + * arm.md (all insn and peephole patterns): Rewrite without using + arm_output_asm_insn. + (matcher for movsi): New alternative to load symbol directly into a + register. Add new parameter in call to output_load_symbol. + + * arm.md (all patterns): Length attribute now describes length in + bytes. + * arm.c (short_branch): Convert length calculations to bytes. + +Tue May 31 20:35:39 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * pa.c (emit_move_sequence): Add missing argument to symbolic_operand. + (output_block_move): Prefer addl to add. + (print_operand): Print fp regs with L suffix when appropriate. + (output_arg_descriptor): Rewrite to accomodate new convention for + USE information. + + * pa.h (SECONDARY_MEMORY_NEEDED): Simplify. + (ADDITIONAL_REGISTER_NAMES): Define. + (CONDITIONAL_REGISTER_USAGE): Make PIC_OFFSET_TABLE_REGNUM fixed + again. + + Changes to combine fp registers for 1.0 and 1.1 architectures. + (Make explicit clobbers of fp registers work.) + * pa.h (FIRST_PSEUDO_REGISTER): Now 89. + (FIXED_REGISTERS): Delete 1.0 fp registers, + (CALL_USED_REGISTERS): Likewise. + (CONDITIONAL_REGISTER_USAGE): Almost deleted. + (REG_ALLOC_ORDER): Update register numbers. + (HARD_REGNO_NREGS): Delete special case for 1.0 fp registers. + (HARD_REGNO_MODE_OK): Rewrite. Don't allow use of odd fp registers + (enum reg_class): Delete HI_SNAKE_FP_REGS and FP_OR_SNAKE_FP_REGS. + (REG_CLASS_NAMES): Corresponding change. + (REG_CLASS_CONTENTS): Delete HI_SNAKE_FP_REGS and + FP_OR_SNAKE_FP_REGS. Make SNAKE_FP_REGS class contain all fp + registers. Update all values for changed register numbering. + (REGNO_REG_CLASS): Corresponding changes. + (REG_CLASS_FROM_LETTER): Delete 'y'. + (FP_REG_CLASS_P): No longer test HI_SNAKE_FP_REGS. + (CLASS_MAX_NREGS): Delete special case for 1.1 fp registers. + (FUNCTION_VALUE): Remove TARGET_SNAKE conditionals. + (LIBCALL_VALUE): Likewise. + (FUNCTION_ARG_REGNO_P): Likewise. + (FUNCTION_VALUE_REGNO_P): Likewise. Add registers 29 and 33. + (FUNCTION_ARG): Remove TARGET_SNAKE conditionals. Update register + numbers. + (REGNO_OK_FOR_FP_P): Update register number. + (REGISTER_NAMES): Delete special entries for 1.0 fp registers. + (DBX_REGISTER_NUMBER): Likewise. + * pa.c (compute_frame_size): Update for changed register numbers. + Simplify loops over general registers to stop at register 4. + (hppa_expand_prologue): Likewise. + (hppa_expand_epilogue): Likewise. + +Tue May 31 19:32:18 1994 Jim Wilson (wilson@cygnus.com) + + * mips.md (movesi_unaligned, movsi_ulw, movsi_usw): Delete. + (extv, extzv, insv, movsi_ulw, movsi_usw): New patterns. + + * dbxout.c (dbxout_type): Always emit cross-references if + use_gnu_debug_info_extensions set. + + * final.c (output_source_line): Call xcoffout_source_line. + * xcoffout.c (xcoff_lastfile): New variable. + (ABS_OR_RELATIVE_LINENO, ASM_OUTPUT_SOURCE_LINE): Define here. + (xcoffout_source_file, xcoffout_source_line): New functions. + (xcoffout_declare_function): Use xcoffout_source_file. + * xcoffout.h (xcoff_lastfile): Declare. + (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Clean up. Set xcoff_lastfile. + (ABS_OR_RELATIVE_LINENO, ASM_OUTPUT_SOURCE_LINE): Delete here. + (DBX_OUTPUT_SOURCE_FILENAME): Delete. + + * unroll.c (copy_loop_body): Copy CALL_INSN_FUNCTION_USAGE field. + + * sparc.h (ASM_SPEC): Don't pass -k when -pg or -p given. + (OVERRIDE_OPTIONS): Warn when disabling -fpic. + + * mips-tdump.c (print_global_hdr): Remove "l" from printf format + for flags. + (print_sym_hdr): Add missing "l" to printf formats. + (print_symbol, print_file_desc): Likewise. + + * i960.h (PUT_SDB_TYPE): Adjust value for compatibility with GNU960 + toolchain. + + * sparc.h (LIB_SPEC): Don't link in /usr/lib/bb_link.o with -a. + (CONDITIONAL_REGISTER_USAGE): When -a, make %g1 and %g2 fixed. + + * mips/iris5gas.h, mips/iris5gdb.h: New files. + * configure (mips-sgi-irix5): Use iris5gas.h and iris5gdb.h. + +Tue May 31 19:21:44 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * pa.md (movsi matcher): Use ldi for moving of 0 to a reg. + (movhi matcher): Likewise. + (movqi matcher): Likewise. + (many patterns): Prefer addl to add, and shNaddl to shNadd. + (define_split for (plus (reg) (large_constant))): Cleanup. + (divsi3): Use match_dup for operand 3, not match_operand. + (udivsi3): Likewise. + (modsi3): Likewise. + (umodsi3): Likewise. + +Tue May 31 19:15:31 1994 Doug Evans (dje@cygnus.com) + + * toplev.c (v_pedwarn_with_decl): Don't even issue warnings from + pedantic errors in system header files. + +Tue May 31 17:16:41 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (extendqidi2, extendqisi2, extendqihi2): Remove + non-existent lba instruction. + (ashrdi3): Undo previous change. + +Tue May 31 12:30:00 1994 Jason Merrill (jason@deneb.cygnus.com) + + * toplev.c (lang_options): Add -f{no-,}implicit-templates. + (compile_file): Don't output SDB debugging info for + externals. + +Tue May 31 07:20:18 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stmt.c (expand_asm_operands): Make MEM with BLKmode for clobber + of "memory". + * loop.c (note_addr_stored): A SET or CLOBBER of a BLKmode MEM means + that all memory is clobbered. + +Mon May 30 14:01:48 1994 Doug Evans (dje@cygnus.com) + + * gcc.c (default_compilers): Pass -MG to cpp if present. + (option_map): New option --print-missing-file-dependencies/-MG. + * cccp.c (print_deps_missing_files): New global. + (main): New argument -MG. Treat missing include files as + generated files and output dependencies for them. + +Mon May 30 10:42:14 1994 Frederic Pierresteguy (F.Pierresteguy@frcl.bull.fr) + + * m68k/dpx2cdbx.h (PREFERRED_DEBUGGING_TYPE): Define as SDB_DEBUG. + * m68k/dpx2g.h: Disable code that manages gcc.ifile. + +Mon May 30 10:35:49 1994 Stephen L Moshier (moshier@world.std.com) + + * optabs.c (expand_float): Avoid double-rounding when float is + is narrower than int. + * real.c (significand_size): New function. + * real.h (significand_size): Declare. + +Sun May 29 15:58:21 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * jump.c (jump_optimize): When deleting unneeded stack adjusts + or mem-mem copies, use delete_computation. + + * combine.c (force_to_mode): NEXT_SELECT is true for NEG. + Only exit quickly if X is narrower than MODE and MASK has all + bits in X's mode set. + (force_to_mode, case SUBREG): Don't check for WORD_REGISTER_OPERATIONS. + (force_to_mode, case NEG): Special-case test for low-order bit. + + * rtlanal.c (volatile_insn_p): Call ourselves in recursive scan. + +Sat May 28 19:03:23 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (init, compstmt, stmt, all_iter_stmt_with_decl): + If the lookahead token is a constant and we need to pop the + momentary obstack, don't free it. + + * stmt.c (expand_end_case): Have INDEX_TYPE track conversions done + to INDEX_EXPR. + +Sat May 28 06:25:40 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * pa.md (call): Force address into register in non-symbol case. + (call_value): Likewise. + +Fri May 27 19:29:30 1994 Doug Evans (dje@cygnus.com) + + * toplev.c (compile_file): Call init_regs after `word_mode' is valid. + * regclass.c (init_reg_modes): If choose_hard_reg_mode can't find a + valid mode, fall back to word_mode. + + * expr.c (use_reg): Fix recording of USE information. + (use_regs): Likewise. + Delete argument `reg'. All callers changed. + * expr.h (use_regs): Update prototype. + * calls.c (expand_call): Update call to use_regs. Call use_reg + if parm is wholly in registers. + + * configure: If compiling in separate dir, add subdirs to .gdbinit. + +Fri May 27 18:18:23 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (zero_extendqidi2, zero_extendhidi2): Use rldicl + instruction. + * rs6000.h (RTX_COSTS): Update PPC603 and PPC604 values. + +Fri May 27 17:56:07 1994 Douglas Rupp (drupp@cs.washington.edu) + + * i386/xm-dos.h (DIR_SEPARATOR): New macro. + +Fri May 27 17:45:08 1994 Holger Teutsch (teutsch@ffm-iw.Degussa.DE) + + * clipper.h (PCC_STATIC_STRUCT_RETURN): No longer defined. + +Fri May 27 17:36:53 1994 Pat Rankin (rankin@eql.caltech.edu) + + * make-l2.com: Update to handle `ginclude' subdirectory + when compiling libgcc2. + +Fri May 27 17:30:37 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.c (print_operand_address): print_operand_address + creates PLUS-rtls for internal use, so it has to handle them. + +Fri May 27 16:13:53 1994 Chris Torek (torek@elf.bsdi.com) + + * function.c (assign_parms): Set REG_USERVAR_P when parm + is passed by invisible reference but can live in register. + +Fri May 27 06:03:11 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (find_reloads): Revert to old code and change secondary + reloads to RELOAD_FOR_OPERAND_ADDRESS too. + + * combine.c (try_combine): Don't make complemented XOR for + constant out of range. + + * alpha.c (or_operand): Renamed from ior_operand. + * alpha.h (PREDICATE_CODES): Likewise. + * alpha.md (iordi3): Likewise. + (xordi3): Use or_operand and add second alternative. + (eqv): Only accept registers. + + * expr.c (expand_expr, case CONSTRUCTOR): If constant and large + enough for memcpy to be used, build constructor into static memory. + + * alpha.md: Add define_split for sign-extended PLUS of a MULT + of an SImode comparison. + + * combine.c (simplify_comparison): Narrow comparison for AND's + that are ZERO_EXTENDs. + Can widen for all comparisons if inputs are both sign extended. + + * reload1.c (reload_as_needed): Update spill_reg_order once we sort + spill_regs. + + * alpha.md: Add define_split for sign-extended PLUS of an SImode + comparison; change comparison to DImode. + + * stmt.c (expand_end_case): Use old type of INDEX_EXPR when making + a constant. + + * local-alloc.c (requires_inout): Renamed from requires_inout_p and + returns number of alternatives that require a match. + (block_alloc): Use new function and handle case where all + alternatives have some operand that must match operand 0. + + * local-alloc.c (qty_phys_num{,_copy}_sugg): New variables. + (qty_phys_has{,_copy}_sugg): Deleted. + (qty_sugg_compare{,_1}): New functions. + (local_alloc): Allocate and init new vars instead of deleted ones. + (block_alloc): Update and use new vars. + Order quantities using new functions when allocating quantities + with suggested registers. + (combine_regs, find_free_reg): Use new vars to count number + of suggestions. + +Thu May 26 11:55:44 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * jump.c (jump_optimize): When looking for an `if' statement + that takes two insns to compute a result using a temporary, + allow the temporary to be a SUBREG. + + * combine.c (simplify_comparison): Call CANONICALIZE_COMPARISON, + if defined. + * alpha.h (CANONICALIZE_COMPARISON): New macro. + + * combine.c (simplify_if_then_else): Don't make (mult (cond)) + in simple case; leave as IF_THEN_ELSE instead. + + * expmed.c (expand_divmod): Correctly set CAN_CLOBBER_OP0 when we've + converted OP0 to COMPUTE_MODE. + +Thu May 26 11:41:58 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Protect bool in curses.h with #ifndef __cplusplus, + since g++ now defines bool as a basic type. + + * fixinc.svr4: Protect definition of __P used in Solaris math.h + and floatingpoint.h to avoid future fixproto conflicts. + + * Makefile.in (stmp-fixinc): Don't pass ${srcdir} argument to + $(FIXINCLUDES); no longer needed, and always problematical for + binary only installations. + * fixincludes: Remove initialization of ${SRCDIR}. Don't + explicitly copy over multimedia/audio_errno.h; should be handled + by Oct 11, 1993 change. + * fixinc.svr4: Remove initialization of ${SRCDIR}. + * fixinc.sco, fixinc.dgux: Likewise. + +Fri May 20 12:48:24 1994 Jim Wilson (wilson@cygnus.com) + + * stmt.c (expand_exit_loop_if_false): Emit conditional jump around + unconditional loop exit instead of conditional loop exit. + + * rs6000.c (output_prolog): Use multiple fputs calls instead of + one call with multiple strings. + + * iris4.h (STARTFILE_SPEC, LIB_SPEC): Define. + + * xcoffout.c (MAKE_LINE_SAFE): Delete. + (ASM_OUTPUT_LBB, ASM_OUTPUT_LBE): Don't use MAKE_LINE_SAFE. + +Fri May 20 01:18:30 1994 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * config.sub (basic_machine): Accept cxux*. + +Thu May 19 19:12:41 1994 Mike Stump (mrs@cygnus.com) + + * calls.c (expand_call): Only destroy temps here, if -fshort-temps + is given. + +Thu May 19 19:07:59 1994 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * config.sub: Fix unrecognized os error message. + +Thu May 19 17:46:55 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (emit_reload_insns): When seeing if an equivalent + register can have it's output reload deleted, check for REG_DEAD + notes for reload_in instead of calling dead_or_set_p. + +Thu May 19 16:38:32 1994 Stephen L Moshier (moshier@world.std.com) + + * emit-rtl.c (operand_subword): Fix arg of REAL_VALUE_TO_TARGET_SINGLE + and .._DOUBLE. Permit float subword extraction when host's word + width is wider than target's. + +Thu May 19 15:09:21 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Make OSF/1 getopt.h fix work on AIX also. + +Wed May 18 15:34:10 1994 Jason Merrill (jason@deneb.cygnus.com) + + * fixincludes: Add forward declaration of struct exception to + SunOS 4 math.h. + +Wed May 18 12:46:46 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stor-layout.c (layout_decl): Allow any integral types + for bit fields. (Specifically, C++ now has a 'bool' type.) + +Wed May 18 16:32:40 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (compare_spill_regs): Fix typo in declaration. + +Wed May 18 10:39:00 1994 Brendan Kehoe (brendan@lisa.cygnus.com) + + * fixinc.svr4: Avoid the SVR4 typedef of bool in curses.h when + compiling for C++, since g++ now supports it as an official typename. + +Tue May 17 18:06:32 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.md: Don't use the extsd/extd instructions on the ns32532. + +Tue May 17 17:44:38 1994 Pat Rankin (rankin@eql.caltech.edu) + + * make-cc1.com (CFLAGS): Separate include file handling; for + stage 1, CFLAGS1 is appended to CFLAGS, otherwise CFLAGS2. + +Tue May 17 16:35:22 1994 Jason Merrill (jason@deneb.cygnus.com) + + * convert.c (convert_to_real): Accept boolean values. + + * config/m68k/hp320.h: #define NO_IMPLICIT_EXTERN_C + +Tue May 17 15:52:05 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * libgcc2.c (__umoddi3): Correct type of variable `w'. + + * combine.c (simplify_set): Move call to make_field_assignment + to end; if SRC or DEST is a (clobber (const_int 0)), return it. + (force_to_mode): If X is a CALL, just return it. + + * reload.c (find_reloads): Properly account for cost when + constant is forced to memory to ensure same alternative chosen later. + +Tue May 17 11:30:19 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * combine.c (simplify_set): Use rtx_equal_p to compare cc_use and its + setter. + (make_extraction): Don't put a subreg around a register if it is + already in the correct mode. + + * reload1.c (compare_spill_regs): New function. + (reload_as_needed): Sort the spilled regs. + (allocate_reload_reg): If we have group needs and failure would be + fatal, do not try to do round-robin allocation of the spill regs. + +Mon May 16 18:58:10 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (zero_extendqidi2): Fix omission of TARGET_POWERPC64 + test in previous change. + +Mon May 16 14:59:25 1994 Per Bothner (bothner@cygnus.com) + + * dbxout.c (dbxout_type): When emitting an ENUMERAL_TYPE, if + the precision is different from the default precision (perhaps + because of -fshort-enums), write out the precision. + +Mon May 16 17:44:49 1994 Stephen L Moshier (moshier@world.std.com) + + * real.c (ereal_from_int, ereal_to_int, etarsingle): Correct + signed/unsigned discrepancies. + (ereal_from_double): Avoid "right shift count too big" warning + in previous change. + * final.c (split_double): Fix arg of REAL_VALUE_TO_TARGET_DOUBLE. + + * real.h (REAL_VALUE_FROM_TARGET_SINGLE, .._DOUBLE): Change + arg from long to HOST_WIDE_INT. + * real.c (ereal_from_float, .._double): Likewise, and unpack + the HOST_WIDE_INTs. + +Mon May 16 16:16:32 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * flow.c (try_pre_increment_1): Don't try to create a pre-increment + expression if the register dies in the succeeding insn. + + * expr.c: Use #ifdef TARGET_EDOM, not #if. + + * expr.c (convert_move): When {zero,sign}_extending, allow a wider + intermediate than to_mode if truncation is a no-op. + +Mon May 16 11:49:28 1994 Doug Evans (dje@cygnus.com) + + * m68k/apollo68.h (REGISTER_PREFIX_MD): Delete. + +Mon May 16 08:11:57 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.c (rs6000_convert_preincs): Delete. + * rs6000.h (FINAL_PRESCAN_INSN): Delete. + + * c-typeck.c (initializer_constant_valid_p): Rework to use + precision, not size. + Allow conversions from integer to pointer if int is wide enough. + + * c-decl.c (finish_enum): Handle VALUES being an ERROR_MARK. + + * rs6000.md: Replace bogus "andil" opcode with rlinm. + +Sat May 14 21:26:05 1994 Doug Evans (dje@cygnus.com) + + * hard-reg-set.h (GO_IF_HARD_REG_EQUAL): Fix typo. + + * jump.c (find_cross_jump): Two CALL_INSNs only compare equal if + their CALL_INSN_FUNCTION_USAGEs are the same as well. + + * stupid.c (stupid_life_analysis): Make sure a function result reg + is still live if it contains an argument. + +Fri May 13 22:17:48 1994 Doug Evans (dje@cygnus.com) + + * reorg.c (mark_referenced_resources): Fix typo. + +Fri May 13 18:54:38 1994 Jason Merrill (jason@deneb.cygnus.com) + + * integrate.c (integrate_decl_tree): Use copy_node to make a copy + of the decl. Also call copy_lang_decl to copy the + language-specific bits. + * tree.h: Declare copy_lang_decl. + * c-decl.c (copy_lang_decl): No-op function that will never + actually be called. + +Fri May 13 15:12:20 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (cse_insn): Correctly check for two modes being the + same number of words. + +Fri May 13 05:03:51 1994 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-parse.in (enumlist): Add error alternative. + +Thu May 12 23:25:38 1994 Jason Merrill (jason@deneb.cygnus.com) + + * c-common.c (truthvalue_conversion): If expr is a BIT_AND_EXPR + where one of the operands is integer_onep, just return expr. + +Thu May 12 20:08:49 1994 Mike Stump (mrs@cygnus.com) + + Fixup lifetime of temporaries. + + * calls.c (expand_call): Only destroy temporaries at the end + of function calls, if flag_short_temps is set. + * expr.c (safe_from_p, expand_expr): Handle CLEANUP_POINT_EXPRs. + * expr.c (expand_expr): Improve handling of temporaries inside + COND_EXPRs, cures call to sorry. + * expr.c (defer_cleanups_to): New routine to handle the deferral + of cleanups. + * flags.h (flag_short_temps): New flag, to allow better control + over the lifetime of temporaries. + * toplev.c (flag_short_temps, lang_options): Ditto. + * tree.def (CLEANUP_POINT_EXPR): Add, to allow better control over + the lifetime of temporaries. + +Thu May 12 19:33:54 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (function units): Numerous cycle count change. + (zero_extendqidi2, extendqidi2, zero_extendhidi2): New patterns. + (extendhidi2, zero_extendsidi2, extendsidi2): Likewise. + (zero_extendqisi2, zero_extendqihi2, zero_extendhisi2): Use + andil/andi instead of rlinm/rlwinm. + (zero_extendqihi2): Add condition register variants. + (extendqisi2, extendqihi2): Use extsb for PowerPC. + (adddi3, subdi3, negdi2, ashrdi3): Emulate only if !TARGET_POWERPC64. + (movdf, movdi, movti): New PowerPC64 versions. + (load/store with update): New PowerPC64 patterns. + +Thu May 12 18:50:55 1994 Stephen L Moshier (moshier@world.std.com) + + * real.c (m16m): Change first arg to int; all callers changed. + +Thu May 12 18:46:26 1994 Bill Cox (bill@cygnus.com) + + * fixincludes: Add definition of DBL_MAX to math.h for Lynx math.h. + Correct return type of strlen in Lynx string.h. + Delete definition of 'void' as 'int' from Lynx curses.h. + +Thu May 12 18:11:33 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (find_reloads): Don't change a secondary reload + to RELOAD_FOR_OPERAND_ADDRESS. + + * function.c (assign_parms): Fix typo in previous change. + +Thu May 12 15:48:54 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * c-common.c (decl_attributes): Revert to identifiers for + mode attributes. + * libgcc2.c: Likewise. + +Thu May 12 15:41:38 1994 Pat Rankin (rankin@eql.caltech.edu) + + * vax/xm-vms.h (lookup_name_current_level_global): New macro. + +Wed May 11 17:44:47 1994 Jim Wilson (wilson@cygnus.com) + + * cse.c (cse_insn): Set src_eqv if the dest is a STRICT_LOW_PART. + + * expmed.c (store_fixed_bit_field): Delete code to handle + MODE_FLOAT values here. + (store_bit_field): Put it here instead. + +Wed May 11 16:18:21 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * a29k.c (a29k_clobbers_to): New function. + * a29k.md (clobbers_to): Deleted. + (call_internal, call_value_internal): New patterns. + (call, call_value): Just call new patterns and a29k_clobbers_to. + + * stor-layout.c (layout_type): Use POINTER_SIZE, instead of width + of Pmode, when appropriate. + + * calls.c (emit_call_1): Put new function usage data at end of + any data already there. + * expr.c (expand_builtin_apply): Likewise. + + * sched.c (sched_analyze_insn): Fix typo in last change. + +Wed May 11 14:45:12 1994 Doug Evans (dje@cygnus.com) + + * configure: Fix handing case of no language subdirs. + +Wed May 11 12:11:40 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixincludes: Don't recursively search symlinks to `.'. + +Tue May 10 17:49:57 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * configure: Include stage4 in the list. + + * gcc.c (process_command): Kludge in stageN/../include instead of + include. + +Mon May 9 21:04:19 1994 Jim Wilson (wilson@cygnus.com) + + * sparc.h (*TF*_LIBCALL): Delete `*' from libcall name. + +Mon May 9 18:42:10 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.c (output_move_dconst): Fix errors on ranges. + +Mon May 9 18:33:16 1994 Chris Torek (torek@bsdi.com) + + * gcc.c (delete_if_ordinary): New function. + (delete_temp_files, delete_failure_queue): Call it. + +Sat May 7 12:12:58 1994 Andreas Neubacher (aneubach@risc.uni-linz.ac.at) + + * i386/seq-sysv3.h (LIB_SPEC): Support -fshared-data. + (CPP_SPEC): Set _SEQUENT_ to 1. + (SHARED_SECTION_ASM_OP, ASM_OUTPUT_SHARED_COMMON): Supply new macros. + (SHARED_BSS_SECTION_ASM_OP, BSS_SECTION_FUNCTION): Likewise. + +Sat May 7 10:09:49 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reorg.c (mark_{referenced,set}_resources): Fix typos in last change. + + * reload1.c (emit_reload_insns): Don't try to delete output reload + if there isn't one. + + * i386.h (REG_ALLOC_ORDER): New macro. + + * sched.c (sched_analyze_insn, attach_deaths_insn): Look at + CALL_INSN_FUNCTION_USAGE. + + * reload1.c (choose_reload_regs): Remove previous change. + +Fri May 6 20:32:22 1994 Doug Evans (dje@canuck.cygnus.com) + + * sparc.c (leaf_reg_backmap): Delete. + (sparc_flat_compute_frame_size): Renamed from + sparc_frw_compute_frame_size. All callers changed. + (sparc_flat_save_restore): Likewise. + (sparc_flat_output_function_prologue): Likewise. + Delete decl of call_used_regs. + Delete reference to frame_base_name, use frame pointer explicitly. + Print prologue end marker. + (sparc_flat_output_function_epilogue): Likewise (renaming). + Delete decls of asm_out_data_file, asm_out_file, call_used_regs. + Print epilogue start marker. + (sparc_flat_epilogue_delay_slots): Likewise (renaming). + (sparc_flat_eligible_for_epilogue_delay): Likewise. + * sparc.h (TARGET_FRW): Add note saying this option is deprecated. + (TARGET_FLAT): Renamed from TARGET_FRW_COMPAT. + (TARGET_SWITCHES): Delete references to -mfrw, -mfrw-compat. + Add -mflat. + (CONDITIONAL_REGISTER_USAGE): If -mflat, fix %i7, rename "%fp" + to "%i7", and make %g7 a global_reg. + (FRAME_POINTER_REQUIRED): Handle -mflat. + (INITIAL_FRAME_POINTER_OFFSET): Likewise. + (ARG_POINTER_REGNUM): Explicitly say it's the frame pointer. + (LEAF_REGISTERS): Make %g7 not a leaf register. + (leaf_reg_backmap): Delete. + (LEAF_REG_BACKMAP): Likewise. + (FUNCTION_PROLOGUE): Handle -mflat. + (FUNCTION_EPILOGUE): Likewise. + (DELAY_SLOTS_FOR_EPILOGUE): Likewise. + (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise. + +Fri May 6 14:05:00 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * tree.h (TYPE_ATTRIBUTES): New macro. + (struct tree_type): attributes, new field. + (precision): Move this field up for better alignment. + (attribute_list_{equal,contained}): Prototype for new functions. + (build_type_attribute_variant): Prototype for new function. + * c-parse.in: Rewrite attribute parsing; update the expected + conflicts and state numbers. + * tree.c (TYPE_HASH): Move definition to top of file. + (make_node): Add support for SET_DEFAULT_TYPE_ATTRIBUTES. + (build_type_attribute_variant): New function. + (type_hash_lookup): Check if the attributes match. + (attribute_list_{equal,contained}): New functions. + * c-typeck.c (common_type): Add attribute merging. + (comp_types): Use COMP_TYPE_ATTRIBUTES macro. + * print-tree.c (print_node): Print attributes. + * c-common.c (decl_attributes): Move the attribute + recognition and rejection here from c-parse.in. + (decl_attributes): Use VALID_MACHINE_ATTRIBUTE macro. + + * regclass.c (init_reg_sets_1): Eliminate several permanent + call_fixed_regs. + + * rtl.def (CALL_INSN): Define new CALL_INSN_FUNCTION_USAGE field. + * rtl.h (CALL_INSN_FUNCTION_USAGE): New macro. + (find_reg{,no}_fusage): Prototype for new function. + * rtlanal.c (reg_used_between_p): Check usage exprs on CALL_INSNs. + (reg_referenced_between_p, reg_set_p, dead_or_set_regno_p): Likewise. + (find_reg{,no}_fusage): New functions. + * combine.c (try_combine): Restrict combining on CALL_INSNs. + (distribute_{notes,links}): Look at CALL_INSN_FUNCTION_USAGE. + * cse.c (cse_insn): Invalidate CLOBBERed registers. + (count_reg_usage): Count registers in USE rtls on CALL_INSNs. + * emit-rtl.c (make_call_insn_raw): New function. + (emit_call_insn{,_before}): Use make_call_insn_raw. + * calls.c (prepare_call_address, emit_call_1, expand_call): Change + from USE and CLOBBER insns to using CALL_INSN_FUNCTION_USAGE. + (emit_library_call{,_value}): Likewise. + * expr.c (use_regs, expand_builtin_apply): Likewise. + * expr.h (use_regs): Likewise. + * flow.c (flow_analysis, find_basic_blocks): Likewise. + * caller-save.c (insert_save_restore): Likewise. + * function.c (fixup_var_refs_insns): Likewise. + * jump.c (find_cross_jump, get_label_{before,after}): Likewise. + * reload1.c (emit_reload_insns): Likewise. + * reorg.c (mark_referenced_resources, mark_set_resources): Likewise. + * integrate.c (save_for_inline_copying, expand_inline_function): + Copy CALL_INSN_FUNCTION_USAGE field. + * reload1.c (choose_reload_regs): Ban filled argument registers. + * caller-save.c (save_call_clobbered_regs): CALL_INSN_FUNCTION_USAGE + requires a sharper liveliness check. + * flow.c (propagate_block): Mark all registers mentioned in USE + usage expressions on a CALL_INSN as used. + * jump.c (find_cross_jump): If STACK_REGS is defined two + CALL_INSNs only compare equal if their USE usage rtls are + the same as well. + * stupid.c (stupid_life_analysis): Check the usage information + on CALL_INSNs. + + * function.c (assign_parms): Spread out the REG_EQUIV notes + on CONCATs. + +Fri May 6 12:43:10 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (find_reloads): Ignore alternatives that will + not be reloadable due to PREFERRED_RELOAD_CLASS. + + * explow.c (allocate_dynamic_stack_space): Just return + virtual_stack_dynamic_rtx if asking for zero bytes. + Set current_function_calls_alloca here and also record new + stack level for nonlocal gotos. + * expr.c (expand_builtin, case BUILT_IN_ALLOCA): Don't + set current_function_calls_alloca here nor record new + stack level for nonlocal gotos. + * stmt.c (expand_decl): Likewise. + + * function.c (assign_parms): Use expr_size when appropriate. + + * c-typeck.c (comptypes): An enum type is compatible with type of + same signedness as well as precision. + + * alpha.h (CONST_COSTS): Revise all costs. + * alpha.md (addsi3, subsi3): Add define_expand to make + adddi3/subdi3; old pattern is now anonymous. + + * combine.c (simplify_rtx, case MULT): Don't convert MULT to + shift here. + (simplify_logical, case IOR): Convert back to PLUS if valid and + it will combine with another PLUS. + (extract_left_shift): New function. + (make_compound_operation, case ASHIFTRT): Simplify by calling it. + (force_to_mode): Don't ignore if X is a SUBREG. + (force_to_mode, case AND): Try to turn unchecked bits on + instead of just off and see which is cheaper. + +Fri May 6 11:22:23 1994 Ian Lance Taylor (ian@cygnus.com) + + * Makefile.in (libgcc1.a, libgcc2.a): Don't ignore errors in for + loops over $(LIB[12]FUNCS_EXTRA). + +Fri May 6 06:14:56 1994 Mike Stump (mrs@cygnus.com) + + * expr.c (expand_cleanups_to): Tell expand_expr that we are going + to ignore the result of the cleanup. + +Thu May 5 17:45:02 1994 Stan Shebs (shebs@andros.cygnus.com) + + * gcc.c (do_spec_1): If -save-temps, always clear the deletion flag. + +Thu May 5 13:39:35 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (simplify_rtx, case SUBREG): Don't call force_to_mode. + (simplify_set): Call force_to_mode here. + + * m68k.md (movhi): Simplify code involving jump-table + reference. + (load_address): Handle case of jump-table reference; output + required label. + +Thu May 5 12:28:16 1994 Ian Lance Taylor (ian@cygnus.com) + + * cccp.c (main): Include source file name in dependency output. + +Wed May 4 18:45:07 1994 Doug Evans (dje@cygnus.com) + + * config.sub: Remove duplicate -freebsd* entry. + +Wed May 4 18:03:34 1994 Jason Merrill (jason@deneb.cygnus.com) + + * cccp.c (special_symbol): Don't copy simple strings, use wchar_type. + (main): Setup wchar_type for C++ if needed. + (initialize_builtins): Use wchar_type. + +Wed May 4 17:19:34 1994 Mike Collison (collison@sw.stratus.com) + + * reload.c (push_secondary_reload): Use TYPE for secondary type + if it is RELOAD_FOR_{INPUT,OUTPUT}_ADDRESS. + +Wed May 4 16:35:49 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (i386-gnu): New, same as i386-mach. + + * global.c (find_reg): When looking for locally-allocated hard + regs to reclaim, use REG_ALLOC_ORDER to find least used. + + * reload1.c (emit_reload_insns): Add another way to delete an + output reload. + + * reload1.c (reload, reload_as_needed): Check for use of return + register with reg_referenced_p, not reg_mentioned_p. + +Wed May 4 14:23:51 1994 Jim Wilson (wilson@cygnus.com) + + * mips.c (override_options): Delete TARGET_LLONG128 references. + * mips.h (MASK_LLONG128, TARGET_LLONG128): Delete. + (TARGET_SWITCHES): Delete -mlonglong128 option. + (LONG_LONG_TYPE_SIZE): Delete TARGET_LLONG128 reference. + + * mips/bsd-4.h, mips/bsd-5.h, mips/news4.h, mips/news5.h, + mips/nws3250v4.h, mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, + mips/svr4-5.h (CPP_SPEC): Delete. + * mips/dec-bsd.h (CPP_SPEC): Define __SIZE_TYPE__, + __PTRDIFF_TYPE__, and __mips. + (SIZE_TYPE): Delete. + * mips/dec-osf1.h (PTRDIFF_TYPE): Delete. + (CPP_SPEC): Define, overriding ultrix.h version. + * mips/iris5.h (CPP_SPEC): Define __SIZE_TYPE__, __PTRDIFF_TYPE__, + and __mips. + * mips/osfrose.h (CPP_SPEC): Define __PTRDIFF_TYPE__ and __mips. + (PTRDIFF_TYPE): Delete. + (SIZE_TYPE): Define. + (SET_ASM_OP): Define. + * config/mips/ultrix.h (CPP_SPEC): Delete. + (SIZE_TYPE): Delete. + +Tue May 3 19:04:43 1994 Jason Merrill (jason@deneb.cygnus.com) + + * Makefile.in (stamp-objlist): Depend on OBJS and BC_OBJS so that + subdir makes will know to re-link. + +Mon May 2 16:05:05 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * toplev.c (compile_file): If static consts haven't been written + out yet, don't do it just because TREE_USED is set (if we're + optimizing). (This wins for C++, which uses static consts a lot.) + +Mon May 2 16:42:59 1994 Jim Wilson (wilson@cygnus.com) + + * stmt.c (expand_end_case): Make sure gen_casesi operands are + valid by passing them through copy_to_mode_reg if necessary. + * mips.md (casesi): Delete force_reg calls. + + * ns32k.c (output_move_double): Always use split_double for the + CNSTOP case. + + * gcc.c (translate_options): For options that take an argument, + don't skip the argument if it doesn't exist. + + * c-decl.c (pushdecl): Use lookup_name_current_level_global instead + of lookup_name for extern references. Don't return duplicate decl + if it came from the global binding level, and there exists a + conflicting decl in an intervening block. + (lookup_name_current_level_global); New function. + * c-tree.h (lookup_name_current_level_global): Declare. + + * sys-protos.h (read, write): Last parm is size_t not unsigned int. + + * unroll.c (remap_split_bivs): New function. + (unroll_loop): When remapping split bivs in the last instruction, + handle JUMP_INSNs in addition to INSNs. + +Mon May 2 12:53:57 1994 Jason Merrill (jason@deneb.cygnus.com) + + * config/nextstep.h (INCLUDE_DEFAULTS): Add cxx_aware field. + * config/vax/xm-vms.h (INCLUDE_DEFAULTS): Ditto. + +Fri Apr 29 18:30:38 1994 Kung Hsu (kung@cygnus.com) + + * tree.h (TYPE_DECL_SUPPRESS_DEBUG): new macro to support + suppressing of detail type infos into stabs. + * dbxout.c (dbxout_type): check the above flag to generate cross + reference in stabs. + +Fri Apr 29 01:01:45 1994 Doug Evans (dje@cygnus.com) + + * Makefile.in (stamp-objlist): New target. + +Thu Apr 28 22:17:15 1994 Doug Evans (dje@cygnus.com) + + * Makefile.in (USE_ALLOCA): Rearrange "'s. + (FLAGS_TO_PASS): Delete CLIB, MALLOC, OBSTACK. + +Thu Apr 28 19:04:17 1994 Jim Wilson (wilson@cygnus.com) + + * stmt.c (expand_end_case): Correct test for sign extending + unsigned constant index when creating index_expr. + + * cccp.c (macroexpand): Use start_line for line number of the new + instack level pushed at the end. + +Thu Apr 28 18:59:17 1994 Mike Stump (mrs@cygnus.com) + + * stmt.c: Remove old exception handling support from the backend. + +Thu Apr 28 18:59:53 1994 Torbjorn Granlund (tege@adder.cygnus.com) + + * sparc.c (arith_double_operand): Modify to accept all possible constants. + * sparc.md (adddi3, subdi3, anddi3, iordi3, xordi3): Corresponding changes. + (one_cmpldi3): Don't allow constants for operand 1. + +Thu Apr 28 18:10:18 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (addsi3): Prefer add without carry instructions and + flag input operands as commutative for condition register variant. + (subsi3): Define PowerPC patterns using subtract without carry. + (numerous): Flag input operands as commutative for condition + register variant. + (mov* matchers): Use mr instruction in ! TARGET_POWERPC case as + well and mr. in condition register variant. + * rs6000.c (output_prolog): Use mr, lis, and li instructions. + Use subf instruction if TARGET_POWERPC. + (output_epilog): Use cal/addi instruction. + +Thu Apr 28 12:48:59 1994 Andreas Neubacher (aneubach@risc.uni-linz.ac.at) + + * i386/seq-sysv3.h (SHARED_SECTION_ASM_OP): Defined. + +Thu Apr 28 12:40:28 1994 Doug Evans (dje@cygnus.com) + + * expr.c (expand_builtin): Fix typo in previous patch + (allow __builtin_next_arg in varargs functions). + +Tue Apr 26 16:31:44 1994 Per Bothner (bothner@cygnus.com) + + * tree.h (AGGREGATE_TYPE_P): New macro. + * calls.c, expr.c, function.c, stmt.c, varasm.c: Use + new macro AGGREGATE_TYPE_P. + +Mon Apr 25 18:45:28 1994 John Hassey (hassey@dg-rtp.dg.com) + + * varasm.c (copy_constant, case CONSTRUCTOR): Fix typo; copied list + was placed on old CONSTRUCTOR, not new one. + +Mon Apr 25 15:04:53 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-decl.c (grokdeclarator): Never warn about `long long' in + system header. + + * c-decl.c (finish_decl): Redo last change. + + * Makefile.in (*compare*): Add missing semicolons. + +Mon Apr 25 15:02:31 1994 Doug Evans (dje@cygnus.com) + + * configure (m68k-hp-hpux): t-hp320g no longer needed as of gas 2.1. + * m68k/t-hp320g: Deleted. + +Mon Apr 25 14:23:18 1994 Poul-Henning Kamp (phk@login.dkuug.dk) + + * config.sub, configure: Recognize FreeBSD. + * i386/freebsd.h, x-freebsd: New files. + * i386/x-freebsd: New file. + * i386.h (TARGET_NO_FANCY_MATH_387): New option. + * i386.md (TARGET_NO_FANCY_MATH_387): Implement new option. + * ginclude/stdarg.h, ginclude/stddef.h, ginclude/varargs.h: + Recognize __FreeBSD__. + * gcc.c (link_command_spec): Add -Z argument for ZMAGIC's on FreeBSD. + +Mon Apr 25 14:08:26 1994 Doug Evans (dje@cygnus.com) + + * configure (language search loop): Correct test for no languages. + (CC): Use single quotes to avoid shell expansion of $(CC). + +Mon Apr 25 13:10:07 1994 Andreas Stolcke (stolcke@icsi.berkeley.edu) + + * Makefile.in (install-common): Install EXTRA_PARTS with + INSTALL_DATA, not INSTALL_PROGRAM. + +Mon Apr 25 06:34:00 1994 Stephen L Moshier (moshier@world.std.com) + + * fold-const.c (fold-convert): Use assignment, instead of + initializing, aggregate local variable REAL_VALUE_TYPE. + +Sun Apr 24 11:17:20 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reorg.c (redirect_with_delay_list_safe_p): Fix off-by-one error. + + * real.c (etoe53, etoe24): Make all occurrences static. + + * emit-rtl.c (try_split): Don't try to recursively split deleted insn. + + * rs6000.md (movti): Adjust constraints to avoid impossible reload. + + * expr.c (expand_expr, case SAVE_EXPR): Fix error in last change. + +Sat Apr 23 06:45:50 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reloads_conflict, case RELOAD_FOR_OUTPUT): Fix typo. + +Fri Apr 22 18:43:08 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (alpha-dec-osf): Fix typo. + +Fri Apr 22 15:02:22 1994 Hallvard B Furuseth (h.b.furuseth@usit.uio.no) + + * gcc.c (handle_braces, check_live_switch): Refine previous change. + +Fri Apr 22 03:27:26 1994 Doug Evans (dje@cygnus.com) + + * configure: Sort machines. + + * Language directory reorganization. + * configure: Auto-configure each language subdirectory by looking + for */config-lang.in. + Add language makefile fragments (Make-lang.in) to top level makefile, + and hook them in via lang.* targets. + Configure each language subdirectory. On hosts that support them, + create stage[123] symlinks in each subdirectory. + If there is a configure script in the subdirectory, run it. + * Makefile.in (LANGUAGES): Remove c++. + (SUBDIRS): New variable. + (LEX, LEXFLAGS): Ditto. + (MAKEOVERRIDES): Ditto. + (COMPILERS): Remove cc1plus. + (LANG_MAKEFILES, LANG_STAGESTUFF, LANG_DIFF_EXCLUDES, FLAGS_TO_PASS): + New variables. + (CPLUS_OBJS, CPLUS_TREE_H, C++, c++, g++, g++-cross, cc1plus, + cp-*.o, g++.o, gplus.info): Deleted. + (STAGESTUFF): Remove g++, g++-cross, cc1plus. Add $(LANG_STAGESTUFF). + (Makefile): Depend on $(LANG_MAKEFILES). + (####language hooks, ####language fragments): New spots for sed + to insert things. + (all.cross, all.build, start.encap, rest.encap, info, dvi, + install-normal, install-common, install-info, install-man, + uninstall, distdir, mostlyclean, clean, distclean, extraclean, + realclean, stage1, stage2, stage3, stage4): Depend on lang.foo. + (mostlyclean, clean, distclean, extraclean, realclean): Clean as + much of the language subdirectories as we can. + (install-common): Remove g++ installation. + (install-man): Remove g++.1 installation. + (uninstall): Remove g++ reference. + (TAGS): Remove cp-parse.? reference. + (distdir): Ditto. + (distdir-start, distdir-finish): New targets. + (diff): Remove cp-parse.? reference. Add $(LANG_DIFF_EXCLUDES). + (compare, compare3, gnucompare, gnucompare3): Compare language + subdirectories too. + (stage1-start, stage2-start, stage3-start, stage4-start): New targets. + Ensure stage subdirectory exists before processing language + dependent part. + * cp/Makefile.in: New file, makefile for c++ subdirectory. + * cp/Make-lang.in: New file, c++ language makefile fragment. + This file provides c++ specific support to the top level makefile via + several well defined targets: c++.all.build, c++.all.cross, + c++.start.encap, c++.rest.encap, c++.info, c++.dvi, + c++.install-normal, c++.install-common, c++.install-info, + c++.install-man, c++.uninstall, c++.distdir, c++.mostlyclean, + c++.clean, c++.distclean, c++.extraclean, c++.realclean, + c++.stage1, c++.stage2, c++.stage3, c++.stage4. + * cp/config-lang.in: New file, defines language name and other + configuration parameters for the c++ language: compilers, stagestuff, + and diff_excludes. + * g++.c: Move into cp subdirectory. + * g++.1: Ditto. + * g++int.texi: Ditto. + * cp-*: Ditto, remove "cp-" prefix except for cp-tree.h. + +Thu Apr 21 15:47:01 1994 Jim Wilson (wilson@cygnus.com) + + * sparc.c (mem_aligned_8): Don't assume addresses with + MEM_IN_STRUCT_P set are 8 byte aligned. + + * iris5.h (CPP_SPEC): Define _LANGUAGE_C for Objective C also. + + * unroll.c (find_splittable_givs): Share dest_reg for multiple + address givs within a single instruction. + (copy_loop_body): Only update psuedo-reg for shared giv once. + + * sparc.c (sparc_type_code): Don't put more than 30 bits of info + into the variable qualifiers. + + * expr.c (store_expr): Don't check the TYPE_MODE of an ERROR_MARK. + +Thu Apr 21 15:34:11 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (calls_function_1): A language-specific code must + be assumed to call a function and also call alloca. + Check for inlined functions that call alloca. + + * reload1.c (reload): Clear forbidden_regs earlier. + (new_spill_reg): Mention in error message that asm clauses can also + cause the compiler to run out of spill regs. + (scan_paradoxical_regs): If SMALL_REGISTER_CLASSES, forbid + hard regs used in explicit user variables. + + * combine.c (can_combine_p, combinable_i3pat, try_combine): Allow + combination involving hard regs if the hard reg is a user variable. + + * gcc.c (default_compilers): If -E and the file is (e.g.) x.s, + don't run the assembler; similarly for .i, .ii, .adb, etc. + + * Cleanups related to adding prototypes to many declarations. + * rtl.h: If TREE_CODE undefined, make an incomplete union for tree. + (STDIO_PROTO): Define here if not already defined. + (read_rtx): Use STDIO_PROTO. + (output_constant_def, immed_real_const): Use "union tree_node *". + (immed_real_const_1): Move declaration to real.h. + (rtx_to_tree_code): Supply prototype. + * tree.h: If RTX_CODE undefined, make an incomplete struct for rtx. + Add some missing declarations of functions in stmt.c. + (STDIO_PROTO): Define here if not already defined. + * real.h: Add prototypes to declarations of functions in real.c. + (immed_real_const_1): Move declaration from rtl.h. + * output.h: Add missing declarations of functions in final.c. + (STDIO_PROTO): Don't define here. + * c-tree.h (STDIO_PROTO): Likewise. + * reload.h (PROTO, STDIO_PROTO): Likewise. + * bi-opcode.c (main): Don't write overly-long line. + * cse.c, emit-rtl.c: Use CONST_DOUBLE_FROM_REAL_VALUE macro for immed + real_const_1. + * expmed.c: Add prototypes for static functions. + * expr.c (bc_expand_expr): Call expand_decl and expand_decl_init, + not the bc_ versions. + * final.c: Include stdio.h and ctype.h early. + Add prototypes for static functions. + * function.c: Add prototypes for static functions. + (bc_expand_function_end, expand_function_end): Call new + expand_fixups instead of old fixup_gotos. + * global.c, local-alloc.c: Add prototypes for static functions. + * integrate.c: Likewise. + Use CONST_DOUBLE_FROM_REAL_VALUE macro for immed_real_const_1. + * optabs.c: Likewise. + * real.c: Make most functions static and add prototypes for + all static functions. + (GET_REAL, PUT_REAL): Cast parameter to proper pointer type in + some cases; use unsigned array. + * stmt.c: Add prototypes for static functions. + (expand_fixups): New function. + (fixup_gotos): Now static. + Don't call bc_fixup_gotos with wrong type (but now probably wrong + value). + (bc_*): Now static. + (expand_exit_loop_if_false): Call bc_expand_goto_internal with + proper null pointer. + (expand_decl_init): Call bc_expand_decl_init if writing bytecode. + +Thu Apr 21 14:21:56 1994 Ian Lance Taylor (ian@cygnus.com) + + Support taking the address of a text segment symbol when using + MIPS -membedded-pic. + * mips.h (embedded_pic_fnaddr_rtx): Declare. + (embedded_pic_offset): Declare. + (mips_finalize_pic): Declare. + (FINALIZE_PIC): Define. + (GO_IF_LEGITIMATE_ADDRESS): When using -membedded-pic, reject + combining an embedded PIC text reference with a register. + (ENCODE_SECTION_INFO): Under -membedded-pic set SYMBOL_REF_FLAG to + 0 for text segment symbols, 1 for data segment symbols. + * mips.c (embedded_pic_fnaddr_rtx): New variable. + (embedded_pic_offset): New function. + (mips_finalize_pic): New function. + (mips_select_section): When using -membedded-pic and not using + -fwritable-strings, put strings in the text section, not the read + only data section. + * mips.md (movsi): When using -membedded-pic, add special code + when loading a symbol directly to use an offset from the start of + the current function. + (get_fnaddr): New insn to get address of current function. + +Wed Apr 20 19:38:38 1994 Doug Evans (dje@cygnus.com) + + * regclass.c (init_reg_sets_1): Make static. + (init_reg_modes): New function. + (init_regs): Likewise. + * toplev.c (compile_file): Call init_regs after init_rtl. + (main): Delete call to init_reg_sets_1. + +Wed Apr 20 15:06:35 1994 Steve Chamberlain (sac@cygnus.com) + + * sh.c (REG_ODD): Allow DIs and DFs into odd registers. + (print_operand): New command char '@', change nop insn. + (synth_constant): Don't allocate temp reg during reload. + (expand_block_move): Don't expand if TARGET_SMALLCODE. + (prepare_split_double_ops): Deleted. + (howshift, multcosts): Work out costs exactly. + (dump_table): Emit a label before the align. + (hi_const): TARGET_SHORTADDR makes more things HI consts. + (machine_dependent_reorg): Look through SUBREGS. + (from_compare): Get better code when relational args are loaded + into regs now. + (expand_acall): Cope with TARGET_BSR. + (general_movdst_operand): Don't allow illegal autoincs. + (mac_operand): New function. + (sh_function_arg, sh_function_partial_nregs): From sh.h + * sh.h (PARANOID_BIT, RETR2_BIT, CONSTLEN0_BIT, BSR_BIT, + SHORTADDR_BIT, TARGET_PARANOID, TARGET_RETR2, TARGET_CONSTLEN0, + TARGET_BSR, TARGET_SHORTADDR, TARGET_SWITCHES): New options. + (OVERRIDE_OPTIONS): No function_cse when TARGET_BSR. + (FIRST_RET_REG): Depends on TARGET_RETR2. + (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS): Moved to sh.c + (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Define. + (MODE_DISP_OK_8): Define. + (REG_OK_FOR_PRE_POST_P): Allow a pseudoreg. + (GO_IF_LEGITIMATE_ADDRESS): Allow DI addressing modes. + (MOVE_RATIO): Depends on TARGET_SMALLCODE. + * sh.md (interrupt_function): New attr. + (define_delay): Account for interrupt functions. + (addc): Describe pattern better. + (adddi3): Expanded better. + (peepholes): Deleted many obsolete patterns. + +Wed Apr 20 13:37:58 1994 Jason Merrill (jason@deneb.cygnus.com) + + * expr.c (expand_expr): Don't force ignore when expanding the + subexpression of a WITH_CLEANUP_EXPR. Don't check ignore when + deciding whether or not to expand the cleanup for a TARGET_EXPR. + +Wed Apr 20 12:20:16 1994 Doug Evans (dje@cygnus.com) + + * h8300/h8300.h (RTX_COSTS): Remove LSHIFT. + * h8300/h8300.md (lshrhi3_eight): Fix name. + (lshrhi3): Use it. + * i860/i860.c (safe_insn_src_p): Remove LSHIFT. + (single_insn_src_p): Likewise. + * i960/i960.c (i960_expr_alignment): Remove LSHIFT. + * sh/sh.c (output_shift, ASHIFTRT case): Do opposite shift as ASHIFT. + Delete LSHIFT case. + * sh/sh.h (RTX_COSTS): Remove LSHIFT, add LSHIFTRT. + * spur/spur.md (lshlsi3): Delete. + +Wed Apr 20 06:40:15 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * c-lex.c (check_newline): Avoid unreachable statement when + HANDLE_SYSV_PRAGMA defined. + +Wed Apr 20 01:52:24 1994 Steve Chamberlain (sac@mole.gnu.ai.mit.edu) + + * flow.c (find_auto_inc, try_pre_increment): Make sure + that insertion of autoinc addressing mode would yield a valid + instructon. + +Tue Apr 19 23:41:14 1994 Doug Evans (dje@cygnus.com) + + * Makefile.in (expr.o): Depend on regs.h. + * rtl.h (choose_hard_reg_mode): Declare. + * regs.h (reg_raw_mode): Declare. + * caller-save.c (choose_hard_reg_mode): Delete from here. + * regclass.c (choose_hard_reg_mode): Define here. + (reg_raw_mode): Define. + (init_reg_sets_1): Initialize reg_raw_mode. + * expr.c: #include regs.h. + (use_regs): Use reg_raw_mode. + * reload1.c (emit_reload_insns): Record additional spill registers + in their intrinsic mode. + * combine.c (move_deaths): Record death information of remaining + registers in their intrinsic mode. + * sched.c (attach_deaths): Create partial register dead notes using + register's intrinsic mode. + +Tue Apr 19 21:40:57 1994 Mike Stump (mrs@cygnus.com) + + * toplev.c (lang_options): Add -fhandle-signatures for C++ + frontend. + +Tue Apr 19 19:00:30 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cccp.c (do_error): Don't terminate. + +Tue Apr 19 17:48:41 1994 Hallvard B Furuseth (hbf@durin.uio.no) + + * gcc.c: Add new options -print-file-name= and -print-prog-name=. + + * gcc.c (struct switchstr): New field LIVE_COND. + (process_command): Initialize it. + (check_live_switch): New function. + (handle_braces): Call it. + +Mon Apr 18 19:22:25 1994 Lee Iverson (leei@ai.sri.com) + + * mips.h (RTX_COSTS): Remove LSHIFT. + +Mon Apr 18 17:56:22 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * c-decl.c (duplicate_decls): Always warn when const declaration + follows non-const one for variables. + +Mon Apr 18 16:38:30 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * calls.c (prepare_call_address): New arg REG_PARM_SEEN. + All callers changed. + (expand_call): Pre-load args if small reg classes and reg parms. + * expr.h (prepare_call_address): Extend prototype. + * expr.c (expand_builtin_apply): Pass new arg to prepare_call_address. + +Mon Apr 18 14:53:14 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (const_binop): If arg is NaN, just return it + (fold_convert): Handle NaN in real->int and real->real cases. + + * c-lex.c (yylex): If FP value is NaN, use value of zero. + + * expr.h (PROMOTE_MODE): Don't supply default here. + (promote_mode): Add declaration. + * explow.c (promote_mode): New function. + * calls.c (expand_call): Use it. + * function.c (assign_parms, promoted_input_arg, expand_function_start): + Likewise. + * expr.c (expand_expr, case VAR_DECL, SAVE_EXPR): Likewise. + * stmt.c (expand_value_return, expand_decl): Likewise. + +Mon Apr 18 11:36:04 1994 Jason Merrill (jason@deneb.cygnus.com) + + * Makefile.in (LIB2FUNCS): Change _op_vec_delete to _op_vec_del. + * libgcc2.c: Ditto. + +Mon Apr 18 11:19:07 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * reorg.c (redirect_with_delay_list_safe_p): New function, + similar to redirect_with_delay_slots_safe_p. + (fill_slots_from_thread): Do not redirect a jump if doing + so would invalidate the delay list for the jump. + +Mon Apr 18 03:09:30 1994 Doug Evans (dje@cygnus.com) + + * scan-types.sh: Fix program's name in error message. + Rename dummy.c to avoid collisions in parallel makes. + +Sun Apr 17 18:29:00 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.h (PROCESSOR_COMMON, PROCESSOR_POWER, PROCESSOR_POWERPC): + New macros. + * rs6000.c (processor_target_table): Change "all" to "common". + Add "power" and "powerpc" generic processors. Explicitly turn off + new mnemonics for all members of the POWER architecture family. + +Sun Apr 17 10:04:18 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.h (DECL_PRINT_NAME): Deleted. + (struct tree_decl): Field print_name deleted. + +Sun Apr 17 06:59:58 1994 Pat Rankin (rankin@eql.caltech.edu) + + * vax.h (RTX_COSTS), vax.c (vax_rtx_cost): Remove LSHIFT case. + +Sun Apr 17 01:15:27 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * function.c (locate_and_pad_parm): For ARGS_GROW_DOWNWARD, + Round sizetree for both upward and downward padding, nuke + the (now unnecessary) call to pad_below for arg_size_ptr. + +Sat Apr 16 21:05:40 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (one_cmplsi2): Always use nor instruction; + remove extraneous minus sign from condition register set constraint. + +Sat Apr 16 17:12:40 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.c (print_operand): 'x' and 'y' mode letters only + if SUPPORT_SUN_FPA. + (print_operand_address): If (new) ASM_OUTPUT_CASE_FETCH defined, + use it to emit the address for the insn before a tablejump. + * m68k/mot3300.h (FUNCTION_ARG_PADDING, FUNCTION_PROLOGUE): Deleted. + (FUNCTION_EPILOGUE, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Deleted. + (SGS_SWITCH_TABLES, ASM_OUTPUT_CASE_END): Deleted. + (ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Deleted. + (SGS_NO_LI, ASM_OUTPUT_CASE_FETCH, ASM_RETURN_CASE_JUMP): Defined. + + * configure (header_files): Use ${srcdir} instead of $(srcdir). + +Sat Apr 16 16:51:15 1994 DJ Delorie (dj@ctron.com) + + * objc/makefile.dos (OBJC_O): Add encoding.o. + +Sat Apr 16 16:38:32 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-lex.c (yylex): Turn off overflow flag when fixing up large + traditional hex constants. + + * c-decl.c (finish_decl): If asmspec_tree, clear DECL_BUILT_IN + for function and DECL_RTL always. + +Wed Apr 13 13:08:10 1994 Per Bothner (bothner@cygnus.com) + + * toplev.c (compile_file): Never warn about unused static consts, + since it is reasonable to have those in header files. + +Wed Apr 13 12:25:21 1994 Jason Merrill (jason@deneb.cygnus.com) + + * varasm.c (contains_pointers_p): When examining a RECORD_TYPE, + only look at the FIELD_DECLs. + +Tue Apr 12 18:14:42 1994 Jason Merrill (jason@deneb.cygnus.com) + + * Makefile.in (LIB2FUNCS): Add _op_vec_{delete,new}. + + * libgcc2.c (__builtin_vec_{delete,new}): New functions per the + latest C++ working paper. + (__default_new_handler): No longer static. + (__set_new_handler): Lose. + + * cccp.c: Don't implicitly wrap LOCAL_INCLUDE_DIR. + (struct default_include): Add cxx_aware field. + (include_defaults_array): Ditto. + (main): Use cxx_aware field. + +Tue Apr 12 16:13:10 1994 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * config.sub (next): Fix typo in m68k-next-ns3 alternative. + +Tue Apr 12 07:41:17 1994 Michael Meissner (meissner@osf.org) + + * i386/i386.c (notice_update_cc): Remove LSHIFT case, since there + is no LSHIFT rtl code any more. + + * halfpic.h (NO_STDIO_H): Do not include stdio.h if this is defined. + +Mon Apr 11 17:24:46 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * scan.c (get_token): Correctly increment lineno after + encountering #ident (or other #-directive). + +Mon Apr 11 13:22:51 1994 Jim Wilson (wilson@cygnus.com) + + * reorg.c (try_merge_delay_insns): Account for resources set/used + by a filled insn before trying to simplify insns in delay slots. + + * x-iris, x-iris3, x-mips, x-sony, x-sysv (OLDCC): Change -XNh1500 + to -XNh2000. + + * c-decl.c (finish_decl): Don't preserve initializer if it is + error_mark_node. + + * reorg.c (try_merge_delay_insns): Move next_trial update + immediately after the try_split call. + + * mips.c (mips_select_rtx_section, mips_select_section): New + functions. Prefer rdata when TARGET_EMBEDDED_DATA, and prefer + sdata otherwise. + * mips.h (MASK_EMBEDDED_DATA, TARGET_EMBEDDED_DATA): New macros. + (TARGET_SWITCHED): Add new option -membedded-data. + (SELECT_RTX_SECTION, SELECT_SECTION): Call function in mips.c. + + * Makefile.in (all.cross, rest.encap): Delete objc-runtime and + SYSCALLS.c.X. + (OBJC, OBJECTIVE-C): Add objc-runtime. + (proto): Add SYSCALLS.c.X. + (libgcc2.ready, libobjc.a, sublibobjc.a, SYSCALLS.c.X): Add + dependence on stmp-int-hdrs. + + * cccp.c (rescan): Don't look for C++ // comment before directive. + Handle \-newline inside a C++ // comment. + (skip_if_group): Likewise. + (handle_directive): Also handle C++ // comment after #. Point + ip->bufp after the comment start before calling + skip_to_end_of_comment. + (validate_else): Handle \-newline inside a C++ // comment. + (skip_to_end_of_comment, macarg1, discard_comments): Likewise. + + * varasm.c (immed_double_const): Sign-extend constants when they + have the most significant bit set for the target. + +Mon Apr 11 06:20:56 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reload): When accumulating needs, use nested + structures to simplify and speed up the code. + + * alpha.md (compare define_split): Fix bugs in last addition. + + * calls.c (expand_call, emit_library_call{,_value}, store_one_arg): + Use convert_modes instead of convert_to_mode. + + * tree.h (frame_size): Now a union. + (DECL_ALIGN, DECL_FRAME_SIZE, DECL_FUNCTION_CODE): Access proper + field of frame_size union. + (DECL_SET_FUNCTION_CODE): Simplified; retained for compatibility. + * c-decl.c (duplicate_decls, pushdecl, builtin_function): + Use DECL_FUNCTION_CODE instead of DECL_SET_FUNCTION_CODE. + +Mon Apr 11 05:50:26 1994 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) + + * mips-tfile.c (update_headers): Do not copy stStatic symbols that + result from internal labels. + +Sun Apr 10 07:13:24 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rtl.def (LSHIFT): Deleted. + * combine.c, cse.c, function.c: No longer handle LSHIFT. + * genattrtab.c, loop.c, reload1.c: Likewise. + * expr.h (lshl_optab): Deleted. + * optabs.c (lshl_optab): Deleted. + (expand_binop, init_optabs): No longer reference it. + * genopinit.c, expmed.c (expand_shift): Likewise. + + * arm.c, arm.h, arm.md: Remove references to LSHIFT and lshlsi3. + * clipper.h, clipper.md, convex.h, convex.md, elxsi.md: Likewise. + * fx80.h, fx80.md, gmicro.md, i370.md: Likewise. + * m68k.c, m68k.h, m68k.md, m88k.c, m88k.md, ns32k.md: Likewise. + * rs6000.md, tahoe.md: Likewise. + + * combine.c (simplify_shift_count, case EQ): LSHIFT should be + LSHIFTRT. + +Sun Apr 10 04:48:37 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa-ghiux.h (LIB_SPEC): Remove last change until we've got the + go ahead from HP to distribute /usr/lib/end.o. + * pa-ghpux.h, pa-hiux.h, pa-ghiux.h: Likewise. + +Sat Apr 9 15:06:22 1994 Christian Kranz (kranz@sent5.uni-duisburg.de) + + * config.sub: Add ns* as operating systems; default to ns2 for NeXT. + * configure (m68k-next-ns2*): New configuration. + * libgcc2.c: Include <mach.h>, not <mach/mach.h> for NeXTStep 2.1. + * config/nextstep21.h, m68k/next21.h: New files. + +Sat Apr 9 10:56:06 1994 Randy Wright (rwright@convex.com) + + * combine.c (force_to_mode, case ROTATE): Don't assume + simplify_binary_operation always returns CONST_INT. + (simplify_shift_const, case IOR, PLUS): Likewise. + +Sat Apr 9 09:13:10 1994 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) + + * i386/sequent.h (STRUCT_VALUE{,_INCOMING,_REGNUM}): + Redefine for calling conventions of native cc. + +Sat Apr 9 08:25:43 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.h (FINAL_PRESCAN_INSN): Define. + * rs6000.c (rs6000_convert_preincs): New function. + + * i386.md (mulhi3): Use SImode for MULT RTL. + + * fold-const.c (fold): Avoid exponential work when simplifying + conditional expressions; don't recurse twice if ARG1 is constant. + + * function.c (unitialized_vars_warning, setjmp_args_warning): + Reword warning to be less ambiguous. + + * c-typeck.c (convert_arguments): Truncate and reextend + for PROMOTE_PROTOTYPES so we can give error on overflow. + + * reload1.c (reload_conflicts): Rewrite to clean up and fix + numerous bugs; move to later in file. + + * c-decl.c (duplicate_decls): Put new type in same obstack as + old ones, or permanent if old ones in different obstacks. + +Fri Apr 8 18:18:18 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold, case GT_EXPR): Simplify X < (1 << Y) + into X >> Y == 0. + +Fri Apr 8 11:23:51 1994 Ian Lance Taylor (ian@cygnus.com) + + Add support for -membedded-pic to MIPS backend, to create + genuinely position independent code without using a global offset + table. Requires GNU as and ld. + * mips.h (MASK_EMBEDDED_PIC): Define. + (TARGET_EMBEDDED_PIC): Define. + (TARGET_SWITCHES): Add embedded-pic and no-embedded-pic. + (ASM_SPEC): Pass -membedded-pic to assembler. + (ASM_OUTPUT_ADDR_DIFF_ELT): If TARGET_EMBEDDED_PIC output a + difference, rather than using .gpword. + (ASM_OUTPUT_CASE_LABEL): Define. + * mips.md (casesi, casesi_internal): New instructions, used only + for TARGET_EMBEDDED_PIC. + * mips.c (override_options): For TARGET_EMBEDDED_PIC warn + if -mabicalls or -G were used, and set flag_pic and + mips_section_threshold. + (print_operand): Handle 'S' by printing a label with a leading LS. + +Thu Apr 7 22:20:09 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * calls.c (emit_library_call_value): Move is_const set after ifdef. + +Wed Apr 6 21:34:17 1994 Pat Rankin (rankin@eql.caltech.edu) + + * expr.c (expand_builtin, case BUILT_IN_NEXT_ARG): Test whether + an argunment has been passed to __builtin_next_arg; warn if not. + +Wed Apr 6 17:28:44 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * toplev.c (lang_options): Add -f[no-]vtable-thunks (for C++). + +Wed Apr 6 15:35:42 1994 Jim Wilson (wilson@cygnus.com) + + * cccp.c (discard_comments): Replace comments with a single space. + + * Makefile.in (USER_H): Add $(srcdir)/ before every ginclude use. + + * calls.c (emit_library_call_value): New variable is_const. Clear + it for functions that return an aggregate in memory. + + * configure (header_files): Prepend $(srcdir)/ginclude/ to each + element before substituting into the Makefile. Delete ginclude/ + at each point where we set header_files. + + * c-decl.c (finish_decl): Correct typo in use of tree_int_cst_sgn. + +Wed Apr 6 07:39:47 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.md: Add define_split to simplify "(unsigned) x > 0xffffff". + + * toplev.c (lang_options): Group and alphabetize some options. + +Wed Apr 6 07:03:13 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * function.c (push_function_context): Use current_function_varargs. + (pop_function_context): Likewise. + (assign_parms): Respect current_function_varargs. + Save args_so_far in any case. + * expr.c (expand_builtin): Allow builtin_next_arg for varargs + functions as well. + * function.h (struct function): New field for current_function_varargs. + * integrate.c (function_cannot_inline_p): Use current_function_varargs. + * va-alpha.h, va-m88k.h, va-sparc.h (va_dcl): Add ... to + set current_function_varargs. + + * c-decl.c (warn_missing_declarations): New variable. + (c_decode_option): -Wmissing-declarations. + (start_function): Actually do the checking. + * toplev.c (lang_options): Add -Wmissing-declarations. + + * function.c (expand_function_start): Delay copying static chain. + + * calls.c (emit_library_call): Move the invocation of + prepare_call_address before the assignments of the function arguments. + (emit_library_call_value): Likewise. + + * i386.h (DEBUG_PRINT_REG): Fix printing of coprocessor regs in QImode. + +Wed Apr 6 06:42:50 1994 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) + + * mips-tfile.c (update_headers): Copy stStatic symbols from the old + local symbol table to the new local symbol table if they did not get + added via debugging psuedo ops. + +Wed Apr 6 06:36:05 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * stdarg.h, varargs.h (__va_rounded_size): Round to multiple + of sizeof (short) on sysV68. + + * m68k.c (output_function_prologue): pea/move: Fix typos. + asm_fprintf("add%.[wl] ...): Undo previous change. + +Tue Apr 5 20:05:10 1994 Doug Evans (dje@cygnus.com) + + * gcc.c (process_command): Add "include" prefix for [foo/]stageN. + +Tue Apr 5 01:22:08 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa-ghiux.h (LIB_SPEC): Link in /usr/lib/end.o + * pa-ghpux.h, pa-hiux.h, pa-hpux.h (LIB_SPEC): Likewise. + +Mon Apr 4 17:36:55 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * final.c (final_scan_insn): Pass new arg, block num, to + sdbout_end_block. + * sdbout.c (sdbout_begin_block): Don't output block for function + level scope unless MIPS_DEBUGGING_INFO is defined. + (sdbout_end_block): Likewise. Add new parameter n for the block + number. + + * calls.c (expand_call): If PCC_STATIC_STRUCT_RETURN defined, mark + function as addressable same time as we clear is_integrable. + +Mon Apr 4 17:11:17 1994 Jason Merrill (jason@deneb.cygnus.com) + + * Makefile.in (xsys-protos.h): Undefine __*_TYPE when + preprocessing fixtmp.c. + * fixincludes: Fix ptrdiff_t and wchar_t in system headers like we + do size_t. + * scan-types.sh: Use __WCHAR_TYPE__, __PTRDIFF_TYPE__, and + __SIZE_TYPE__. Still deduce size_t so that it can be used for + ssize_t if necessary. + * stddef.h (wchar_t): Always define as __WCHAR_TYPE__. + * cccp.c (special_symbol, case T_WCHAR_TYPE): Output "__wchar_t" + for C++. + +Sat Apr 2 08:14:02 1994 Michael Meissner (meissner@osf.org) + + * i386/osfrose.h (FUNCTION_PROLOGUE, FUNCTION_PROFILER): Correct + code for -fpic ELF case. + +Fri Apr 1 17:33:35 1994 Jason Merrill (jason@deneb.cygnus.com) + + * fixproto: Add strncpy, strpbrk, strrchr, strspn, strstr, strtok + and strxfrm to the required list for string.h. + +Fri Apr 1 01:05:53 1994 Jim Wilson (wilson@cygnus.com) + + * configure: Change math-68881.h to ginclude/math-68881.h. + (EXTRA_HEADERS): Use | not / in sed command. + * math-68881.h, math-3300.h: Move to ginclude directory. + + * libgcc2.c: Modify all uses of __attribute__ mode to use new + syntax. + + * Makefile.in (USER_H): Files in ginclude now. Add stdarg.h, + stddef.h, varargs.h. + (all.cross, rest.encap): Move LIBGCC after stmp-headers. Add + objc-runtime, and SYSCALLS.c.X. + (for-bootstrap): Delete. + (OBJC, OBJECTIVE-C): Delete objc-runtime. + (proto): Delete SYSCALLS.c.X. + (*.o): Delete gvarargs.h dependencies. + (stmp-int-hdrs): Delete gvarargs.h, gstdarg.h, gstddef.h deps, and + code to copy them. + + * bc-emit.c: Change <gvarargs.h> to <varargs.h>. + * enquire.c, libgcc2.c, sys-types.h: Change "gstddef.h" to <stddef.h>. + * gcc.c: Change "gstdarg.h" to <stdarg.h> and "gvarargs.h" to + <varargs.h>. + * objc/Object.m: Change "gstdarg.h" to <stdarg.h>. + * objc/runtime.h, scan-types.sh: Change "gstddef.h" to <stddef.h>. + Change "gstdarg.h" to <stdarg.h>. + * objc/hash.h, objc/objc.h, objc/sarry.h: Delete use of IN_GCC to + control stddef.h/gstddef.h include. + * cccp.c (pcfinclude): Modify comment referring to gstddef.h. + * sparc/sparc.h (CPP_PREDEFINES): Update GCC_NEW_VARARGS comment. + * i386/x-next, m68k/x-next (libgcc2.a, stdarg.h): Delete rules. + * fixincludes: Modify comment referring to gvarargs.h. + * cp/Makefile.in: Modify comments that refer to gvarargs.h and + gstddef.h. + + * gstdarg.h, gstddef.h, gvarargs.h: Move to ginclude directory + and strip off initial `g'. + * va-*.h, proto.h: Move to ginclude directory. + +Thu Mar 31 19:49:17 1994 Jim Wilson (wilson@cygnus.com) + + * sparc.h (SPARC_STACK_ALIGN): Use ~7 not 0xfffffff8 for portability. + + * xcoffout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Disable. + + * sol2.h: Delete ifdefed out section defining *_SECTION_ASM_OP + macros. + ({CTORS,DTORS}_SECTION_ASM_OP) Delete definitions. + * sysv4.h (INIT_SECTION_ASM_OP): Don't set the alloc flag. + ({CTORS,DTORS}_SECTION_ASM_OP): Set execinstr flag. + + * dbxout.c (dbxout_type): Re-enable debugging output for anonymous + structures. Change all three places that refer to xrefs to use + exactly the same condition. + + * c-typeck.c (pop_init_level): Correct typo in use of + tree_int_cst_sgn. + + * mips.c (mips_rtx_classify, md_register_operand, + fpsw_register_operand, cmp2_op, uns_cmp_op, fcmp_op): Delete. + (mips_const_double_ok, mips_fill_delay_slot, output_block_move, + print_operand, function_epilogue): Don't treat gas differently + than native assembler. + (equality_op, cmp_op): Delete use of classify_op. + (override_options): Delete uses of mips_rtx_classify. + (final_prescan_insn): Simplify based on other changes. + * mips.h (mips_rtx_classify, cmp2_op, fcmp_op, + fpsw_register_operand, md_register_operand, uns_cmp_op, + classify_op, additive_op, divmod_op, unsigned_op, CLASS_*_OP, + NOTICE_UPDATE_CC): Delete. + (RTX_COSTS): Use different numbers for R3000/R6000/R4000. + (REGISTER_MOVE_COST): Use cost of 2 within same register class, 4 + for FP to GR copy, 6 otherwise. + (ADJUST_COST): Give anti and output dependencies zero cost. + (PREDICATE_CODES): Delete obsolete functions from list. + * mips.md (addsi3_internal): Don't output subtract. + (subsi3_internal): Don't output add. + (smulsi3_highpart, umulsi3_highpart): Add missing third operand to + mips_move_1word call. + +Thu Mar 31 12:09:42 1994 Ian Lance Taylor (ian@cygnus.com) + + * longlong.h: Change RS/6000 macros to use PowerPC mnemonics when + using -mnew-mnemonics. + +Wed Mar 30 17:37:16 1994 Frederic Pierresteguy (F.Pierresteguy@frcl.bull.fr) + + * m68k/dpx2.h (NO_ASM_FMOVECR): Defined. + * m68k.c (standard_68881_constant_p): Return 0 if NO_ASM_FMOVECR + defined. + + * configure: Add case for rs6000-bull-bosx. + +Wed Mar 30 17:31:24 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.c (global_symbolic_reference_mentioned_p): New parameter F. + (print_operand_address): When generating pic baseregisters are + only allowed if offset is CONST_INT. For {SYMBOL,LABEL}_REF + a indexregister has to be used instead. (sb) is no longer + emitted for constant absolute addresses. + (output_move_double): Use CONSTANT_P instead of CONSTANT_ADDRESS_P. + * ns32k.h (FUNCTION_PROLOGUE): use __GLOBAL_OFFSET_TABLE_, + not _GLOBAL_OFFSET_TABLE_. + (LEGITIMATE_CONSTANT_P, LEGITIMATE_PIC_OPERAND_P): Use + LEGITIMATE_PIC_OPERAND_P, not LEGITIMATE_CONSTANT_P, + to set current_function_uses_pic_offset_table. + (INDIRECTABLE_1_ADDRESS_P): Baseregisters are not legal + for {LABEL,SYMBOL}_REFS when emitting pic. + (GO_IF_INDEXABLE_ADDRESS): INDIRECTABLE_1_ADDRESSes are indexable too. + * ns32k/netbsd.h, ns32k/xm-netbsd.h: New files. + * configure (ns32k-pc532-netbsd*): New case, to use new files. + +Wed Mar 30 16:39:24 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reload): Fix typo in previous change. + + * gcc.c (process_command, case 'B'): If name is "stageN/", + add "include" to system include prefix. + + * bc-emit.c, calls.c, combine.c, emit-rtl.c, final.c, g++.c: + Include <stdarg.h> instead of "gstdarg.h"; similarly for varargs. + * genattrtab.c, mips-tfile.c, protoize.c, toplev.c, tree.c: Likewise. + + * fold-const.c (strip_compound_expr): New function. + (fold): Call it; avoid exponential work when simplifying + binary op over a COND_EXPR. + + * cse.c (cse_insn): Add missing definition of var TEM; clean up + shadowed uses. + + * sparc.c (sparc_type_code): Revise so it supports non-C types. + +Wed Mar 30 14:52:26 1994 Jim Wilson (wilson@mole.gnu.ai.mit.edu) + + * xm-alpha.h (string.h): Don't include when inhibit_libc is defined. + +Wed Mar 30 10:37:51 1994 Stan Coxs (coxs@dg-rtp.dg.com) + + * m88k.md (movdf): Do not consider extended registers when doing + define_split. + +Wed Mar 30 01:49:06 1994 Torbjorn Granlund (tege@cygnus.com) + + * config/m68k/m68k.c (output_move_double): Use `%.' where appropriate. + +Tue Mar 29 10:46:18 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (ASM_OUTPUT_LABEL): TARGET_GAS no longer needs trailing colons. + (ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_COMMON): Likewise. + + * pa.h (TARGET_PORTABLE_RUNTIME): Define. + (TARGET_SWITCHES): Add -mportable-runtime and -mno-portable-runtime. + (CUMULATIVE_ARGS): Now a "struct hppa_args" rathern than an int. + All references changed. + (INIT_CUMULATIVE_ARGS): Also initialize nargs_prototype. + (INIT_CUMULATIVE_INCOMING_ARGS): Define. + (FUNCTION_ARG_ADVANCE): Decrement nargs_prototype for each arg seen. + (FUNCTION_ARG): Handle TARGET_PORTABLE_RUNTIME. + (ASM_DECLARE_FUNCTION_NAME): Explicitly disallow argument relocations + for TARGET_PORTABLE_RUNTIME. + (ASM_OUTPUT_INT): Do not use a P% prefix for function references + if TARGET_PORTABLE_RUNTIME. + + * pa.md (high and lo_sum for function addresses): Provide alternate + definitions for TARGET_PORTABLE_RUNTIME. + + * pa.c (output_arg_descriptor): Explicitly disallow argument + relocations for TARGET_PORTABLE_RUNTIME. + +Tue Mar 29 07:45:44 1994 Chris Smith (csmith@convex.com) + + * convex.h (check_float_value): fix return type in extern. + +Mon Mar 28 18:36:56 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k/mot3300.h (ASM_IDENTIFY_GCC): Define to be non-null. + +Sun Mar 27 20:26:36 1994 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-parse.in (attrib): Handle string args as expressions, + merging the two rules. `mode' attribute now takes a string arg. + Delete the rule for an identifier as arg. + * c-common.c (decl_attributes): `mode' attribute now takes string arg. + +Sun Mar 27 14:42:39 1994 Doug Evans (dje@cygnus.com) + + * c-parse.in (attrib): Back out last patch. + +Fri Mar 25 17:52:44 1994 Walter Misar (misar@rbg.informatik.th-darmstadt.de) + + * m68k.md (movsi): New strategy for moving small constants into dregs, + if it can't be done with moveq. + * m68k.h (CONST_COSTS): Reflect the change in m68k.md. + +Fri Mar 25 14:30:47 1994 Philippe De Muyter (phdm@info.ucl.ac.be) + + * m68k.md (call): If (new) MOTOROLA_BSR defined, try to emit 'bsr'. + * m68k/mot3300.h (MOTOROLA_BSR): Defined. + + * m68k.c (output_function_prologue): Use link.w on 68040; + emit pea fp + movl sp,fp instead of linkw 0 for 68040. + +Fri Mar 25 14:21:06 1994 Jim Meyering (meyering@idefix.comco.com) + + * bc-emit.c (bc_emit_bytecode): Remove decl of unused variable NPUSHES. + (bc_emit_instruction): Remove decl of unused variable LITERAL. + * c-aux-info.c (gen_decl): Remove decl of unused variable. + * c-common.c (truthvalue_conversion): Remove decl of unused CODE. + * c-decl.c (push_parm_decl): Move decl of unused variable OLDDECL + into #if 0 block. + (finish_enum): Remove decls of unused variables I and TEMPORARY. + * c-parse.in (primary): Remove decl of unused variable CONTEXT. + * c-typeck.c (convert_arguments): Remove decls of unused variables. + * collect2.c (putenv): Remove decl of unused variable STR_LEN. + (main): Remove decls of unused variables LEN and CLEN. + * combine.c (try_combine): Remove decls of unused variables. + (subst): Remove decls of unused variables ORIG_CODE. + (simplify_if_then_else): Remove decl of unused variable C2. + (make_compound_operation): Remove decl of unused variable COUNT. + (known_cond): Remove decl of unused variable NEW. + (make_field_assignment): Remove decl of unused variable OURDEST. + (simplify_and_const_int): Remove decls of unused variables. + (simplify_shift_const): Remove decl of unused variable INNER. + * cse.c (cse_insn): Remove decl of unused variable TEM. + * dbxout.c (dbxout_symbol): Remove decls of unused variables. + * emit-rtl.c (reset_used_flags): Remove decl of unused variable. + (gen_sequence): Remove decl of unused variable NEWVEC. + * enquire.c (f_rep): Remove decl of unused variable F1. + * final.c (output_source_line): Remove decl of unused variable. + * fix-header.c (read_scan_file): Remove decl of unused variable RPTR. + (write_rbrac): Remove decl of unused variable PARTIAL. + (main): Likewise. + * g++.c (main): Remove decl of unused variable FN. + * genattr.c (main): Remove decl of unused variable MAX_ISSUE_TIME. + * genattrtab.c (expand_units): Remove decl of unused variable. + * genrecog.c (break_out_subroutines): Remove decl of unused variable. + * global.c (global_conflicts): Move decl of unused variable I into + #if 0 block. + * integrate.c (save_for_inline_nocopy): Remove decls of unused vars. + (expand_inline_function): Remove two block-scope decls of unused + variable COPY. + * jump.c (invert_jump): Remove decl of unused variable OLABEL. + * loop.c (init_loop): Remove decls of unused variables. + (loop_optimize): Remove decl of unused variable END. + (combine_movables): Remove decls of unused variables. + (check_final_value): Remove decl of unused variable TEM. + (check_dbra_loop): Remove decls of unused variables. + (maybe_eliminate_biv): Remove decls of unused variables SET and V. + * reload.c (find_reloads_address): Remove two block-scope decls of + unused variable OLDREF. + * rtl.c (read_rtx): Remove decl of unused variable STRINGBUFSIZE. + * scan.c (get_token): Remove decl of unused variable QUOTE. + (get_token): Remove unused label AGAIN. + * sched.c (clear_units): Remove decl of unused variable UNIT. + (actual_hazard_this_instance): Remove decl of unused variable I. + (actual_hazard): Remove two block-scope decls of unused variable BEST. + (sched_analyze_1): Remove decls of unused variables OFFSET and BIT. + (sched_analyze): Remove decl of unused variable DEST. + (sched_note_set): Remove decl of unused variable J. + (create_reg_dead_note): Remove decl of unused variable BACKLINK. + (new_sometimes_live): Remove decl of unused variable I. + (schedule_block): Remove decls of unused variables LAST_NOTE and REGNO. + (schedule_insns): Remove decls of unused variables I and INSNS. + * sdbout.c (sdbout_symbol): Remove decl of unused variable LETTER. + (sdbout_type): Remove decl of unused variable TEM. + * toplev.c (compile_file): Remove unused label. + * tree.c (stabilize_reference_1): Remove decl of unused variable. + * unroll.c (unroll_loop): Remove decl of unused variable V. + (precondition_loop_p): Remove decls of unused variables. + (final_giv_value): Remove decl of unused variable CODE. + +Fri Mar 25 13:40:05 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (DBX_REGISTER_NUMBER): Fix numerous bugs in handling + of FP registers and the SAR register. + +Fri Mar 25 12:46:56 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * i386.md (movhi, movqi): Properly recognize unsigned forms of -1 + for dec[bw] insns. + + * expr.c (expand_expr, case ADDR_EXPR): Return const0_rtx if + taking address of an ERROR_MARK; also do some minor cleanup. + + * calls.c (expand_call): Don't require both -W and -Winline to say + that call can't be inlined. + Warn if inlining is tried but fails. + + * cccp.c (for_lint): Variable renamed from `lint'. + + * expr.c (expand_expr, case ABS_EXPR): Compare with 0 of proper mode. + + * fold-const.c (fold, case *_DIV_EXPR): Correct result when + product of constants overflows. + + * alpha.c (output_prolog): Correctly compute floating-reg save + area offset. + + * stmt.c (init_stmt_for_function): Clear stack_block_stack. + + * reload1.c (reload): Fix error in last change; only check + against group reloads and check all reloads. + +Thu Mar 24 13:19:43 1994 Doug Evans (dje@cygnus.com) + + * toplev.c (v_pedwarn_with_decl): Don't cause compilation to fail + from pedantic errors in system header files. + +Thu Mar 24 03:01:05 1994 Frederic Pierresteguy (F.Pierresteguy@frcl.bull.fr) + + * config.sub: Add case for Bull dpx20. + + * config/m68k/dpx2.h (CPP_PREDEFINES): Fix typo. + +Wed Mar 23 17:29:56 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reload): Fix error in last change; compute MODE before + it's used. + + * loop.c (get_condition): Exit if we don't recognize SET_SRC of + a SET that modifies OP0. + + * combine.c (simplify_rtx, case FLOAT_TRUNCATE): Simplify + case of (float_truncate (abs (float_extend X))). + +Wed Mar 23 17:20:54 1994 Jim Wilson (wilson@cygnus.com) + + * dbxout.c (dbxout_parms): For parameter living in psuedo-reg that + was optimized away, use declared type instead of passed type. + + * mips.c (mips_asm_file_start): Add comment on TARGET_GP_OPT code. + + * c-decl.c (init_decl_processing): Change builtin_next_arg type so + that it accepts any parameter instead of none. + * cp/decl.c (init_decl_processing): Likewise. + * expr.c (expand_builtin, BUILT_IN_NEXT_ARG case): Verify that + parameter is last named argument. + * gstdarg.h (va_start): Pass LASTARG as a parameter to + builtin_next_arg. + * va-h8300.h, va-i860.h, va-i960.h, va-mips.h, va-sparc.h + (va_start): Likewise. + * va-alpha.h (va_start): Add call to builtin_next_arg. + * va-clipper.h, va-m88k.h, va-pa.h, va-sparc.h (va_start): + Likewise. + +Tue Mar 22 18:57:54 1994 Jim Wilson (wilson@cygnus.com) + + * iris5.h (MIPS_DEFAULT_GVALUE): Define to zero. + * mips.c (pic_address_needs_scratch): New function. + (override_options): Set flag_pic when TARGET_ABICALLS. + * mips.h (GO_IF_LEGITIMATE_ADDRESS): Also pretend that we have REG + plus CONST_INT addresses by deleting an else. + (CONSTANT_ADDRESS_P): When pic, don't accept addresses which are + symbol_ref plus a large integer. + (LEGITIMATE_PIC_OPERAND_P): Likewise. + (LEGITIMIZE_ADDRESS): When pic, convert addresses which are + symbol_reg plus a large integer, to reg plus a large integer. + (ASM_OUTPUT_ADDR_DIFF_ELT): Use .gpword instead of subtracting + labels. + * mips.md (movsi): Add special handling for constants which are + illegal addresses when pic. + (tablejump_internal1, tablejump_internal2): Emit .cpadd when + TARGET_ABICALLS. Adjust length to include .cpadd. + + * mips.h (TRAMPOLINE_TEMPLATE): Add `move $25,$3' for when + TARGET_ABICALLS. Delete padding for 64 bit case. Adjust offsets. + (TRAMPOLINE_SIZE): Increase from 9 to 10 words for 32 bit case. + (INITIALIZE_TRAMPOLINE): Increase offsets by 4 bytes for 32 bit case. + +Tue Mar 22 15:46:42 1994 Michael Meissner (meissner@osf.org) + + * i386/osfrose.h (HANDLE_PRAGMA_WEAK): Define in terms of + TARGET_ELF. + (ASM_OUTPUT_DEF): Provide a definition. + +Mon Mar 21 15:56:58 1994 Per Bothner (bothner@cygnus.com) + + * fix-header.c: Make sstring buf extern (rather than "common"). + +Mon Mar 21 17:45:56 1994 Doug Evans (dje@cygnus.com) + + * configure: Accept and ignore --without-*. + +Mon Mar 21 17:05:25 1994 Jim Wilson (wilson@cygnus.com) + + * dbxout.c (source_label_number): New variable. + (dbxout_source_file): Use it. Output an Ltext label. + + * c-decl.c (duplicate_decls): When pedantic, warn when any static + declaraction follows a non-static. + + * sparc.md (seq, sne, sgt, slt, sge, sle): Add support + for !TARGET_HARD_QUAD. + +Mon Mar 21 16:59:02 1994 Mike Collison (collison@chianti.sw.stratus.com) + + * reload1.c (reload): More accurately compute nongroup needs. + (reloads_conflict): New function. + +Mon Mar 21 16:21:07 1994 Doug Evans (dje@cygnus.com) + + * libgcc2.c (__builtin_saveregs): Fix return type. + +Mon Mar 21 07:37:13 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (preserve_temp_slots): If argument is REG, see if it + is address of a temp slot we know about. + * expr.c (expand_expr, case ADDR_EXPR): Update temp slot address + if we put it in a register; mark result as pointer. + + * cse.c (FIXED_REGNO_P): Treate global regs as fixed. + (CHEAP_REGNO): Renamed from CHEAP_REG. + (CHEAP_REG): New macro; user var in hard reg is cheap. + (COST): Pass RTL to CHEAP_REG, not regno. + (rtx_cost, case REG): Likewise. + +Sun Mar 20 19:38:44 1994 Stephen L Moshier (moshier@world.std.com) + + * m68k/news.h (PRINT_OPERAND): Print float infinity + and NaN's as +/-99e999. + +Sun Mar 20 17:42:09 1994 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) + + * mips-tfile.c (update_headers): Align symbol table sections, + using ALIGN_SYMTABLE_OFFSET. Provide a default definition which + does no alignment. + * alpha.h (ALIGN_SYMTABLE_OFFSET): New macro. + +Sun Mar 20 06:38:41 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * emit_rtl.c (try_split): Rename third parameter as LAST. + Recursively call try_split for each new insn created. + + * combine.c (mark_used_regs_combine): Correct typo. + +Sun Mar 20 06:28:23 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * vax.h (CHECK_FLOAT_VALUE): Add missing continuation character. + * tree.c (build_real): Add `overflow' var; pass to CHECK_FLOAT_VALUE. + +Sat Mar 19 17:44:14 1994 Jim Wilson (wilson@cygnus.com) + + * expr.c (expand_expr, case ABS_EXPR): Fix typo in last change. + +Sat Mar 19 17:13:47 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * combine.c (newpat_used_regs): New variable. + (mark_used_regs_combine): New function. + (try_combine): Use them. + (reg_dead_at_p): Registers marked in newpat_used_regs must always be + considered to be live. + +Sat Mar 19 06:29:38 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-parse.in (attrib): Use `identifier' instead of `IDENTIFIER' + since names that are (e.g.) typedef names are still OK. + + * m68k/next.h (GO_IF_INDEXABLE_BASE): Make compatible with m68k.h. + + * genoutput.c (output_epilogue, insn_names): Write correct names + for patterns before first named pattern. + + * nextstep.h (SELECT_SECTION): Fix typo (arg names) in last change. + + * c-decl.c (grokdeclarator): Use signed version of `sizetype' for + type of array index. + +Sat Mar 19 06:25:39 1994 Stephen L Moshier (moshier@world.std.com) + + * fold-const.c (const_binop): Avoid initialized aggregate + local variables, for antique compilers. + +Fri Mar 18 18:43:28 1994 Jim Wilson (wilson@cygnus.com) + + * i386/osfrose.h (SELECT_SECTION): Variables go in readonly data + only if the initializer is constant. + * i386/svr3gas.h, m88k/m88k.h, mips/mips.h, nexstep.h, + rs6000/rs6000.h, sparc/sparc.h, svr3.h, svr4.h, vax/vms.h + (SELECT_SECTION): Likewise. + * varasm.c (assemble_variable): Likewise. + +Fri Mar 18 17:54:12 1994 David Edelsohn (edelsohn@npac.syr.edu) + + * rs6000.md (divmodsi4, udivsi3, divsi3, udivmodsi4): Add AIX + common-mode cases. + (mulh_call, mull_call, divss_call, divus_call, quoss_call, quous_call): + AIX common-mode call patterns. + (ashlsi3): More TARGET_POWERPC to ! TARGET_POWER changes. + (addsf3, subsf3, mulsf3, divsf3, etc.): Change TARGET_POWER + to ! TARGET_POWERPC. + (fix_truncdfsi2): Use POWER/2 and PowerPC FP convert instruction. + (fpcvtsi): New pattern. + (mulsidi3): Add AIX common-mode case, add imul attribute to POWER + pattern, add PowerPC pattern, flag input operands as commutative. + (smulsi3_highpart): Add AIX common-mode case. + (movsi matcher): Add mtjmpr attribute to ! TARGET_POWER case. + (movsf): Clean up load from memory or integer register test. + (movdi matcher): Add FP register support. + + * rs6000.c (common_mode_defined): New variable. + (output_prolog): Define external common-mode calls. + + * rs6000.h (HARD_REGNO_MODE_OK): Allow DImode in FP registers. + (CONDITIONAL_REGISTER_USAGE): Delete ppcas mention from comment. + (RTX_COSTS): Costs based upon processor_type enum. + +Fri Mar 18 17:53:35 1994 Torbjorn Granlund (tege@cygnus.com) + + * rs6000.md (smulsi3_highpart): New patterns. + (umulsi3_highpart_power): New pattern. + +Fri Mar 18 15:26:56 1994 Jim Wilson (wilson@cygnus.com) + + * sol2.h (SELECT_RTX_SECTION): Delete. + * sysv4.h (SELECT_RTX_SECTION): Add. + (ASM_SPEC): Pass -K to assembler when PIC. + + * cccp.c (before_system, last_before_system): New variables. + (main): Handle -isystem option. Insert -isystem directories in + search chain at first_system_include. + * gcc.c (include_prefix): New variable. + (process_command): Add path/include to include_prefix when see a + -Bpath option. + (do_spec_1, case 'I'): Pass include_prefix directories to cpp with + the -isystem option. + + * loop.c (scan_loop): New variable loop_depth. Increment and + decrement on LOOP_BEG and LOOP_END notes. Only use LOOP_VTOP note + if loop_depth is zero. + (strength_reduce): Likewise. + + * sparc/sparc.h (FIXUNS_TRUNCTFSI2_LIBCALL): Define. + * optabs.c (init_optabs): Use FIXUNS_TRUNCTFSI2_LIBCALL macro. + +Thu Mar 17 13:13:46 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stor-layout.c (layout_type, case BOOLEAN_TYPE): + Set TREE_UNSIGNED unless TYPE_MIN_VALUE is negative. + +Thu Mar 17 18:36:34 1994 Jim Wilson (wilson@cygnus.com) + + * c-common.c (shorten_compare): When simplify compare against + zero, check for restype_ptr unsigned instead of primop0 unsigned. + + * calls.c (expand_call): Undo Feb 27 change. Set nregs to -1 for + normal case. + +Thu Mar 17 17:43:28 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixinc.svr4: Define BYTE_ORDER in <sys/byteorder.h> as on + UnixWare 1.1. + +Thu Mar 17 06:02:24 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_type, case INTEGER_TYPE): Properly test for + nonnegative lower bound. + +Wed Mar 16 12:41:19 1994 Ian Lance Taylor (ian@cygnus.com) + + * tree.c (build_nt, build_parse_node): Don't declare last + parameter to be register, since it is used in VA_START, which + may take its address. + * genattrtab.c (attr_printf): Likewise. + +Wed Mar 16 12:00:40 1994 Jeffrey A. Law (law@snake.cs.utah.edu) + + * pa.h (INITIALIZE_TRAMPOLINE): Do not mask off high + bits of address passed to icacheflush. + + * pa.h (WCHAR_TYPE): Use "unsigned int" by default. + (WCHAR_TYPE_SIZE): Change appropriately. + * pa-ghiux.h, pa-ghpux.h, pa-gux7.h, pa-hiux.h, pa-hpux.h, + pa-hpux7.h (WCHAR_TYPE): Delete definition. + (WCHAR_TYPE_SIZE): Likewise. + * pa-osf.h (WCHAR_TYPE): Override appropriately for OSF1. + (WCHAR_TYPE_SIZE): Likewise. + + * pa.md (DImode lo_sum): Add earlyclobber for alternative one. + + * pa.h (ASM_OUTPUT_ADDR_DIFF_ELT): Rewrite to match + ASM_OUTPUT_ADDR_VEC_ELT which is PIC-safe. + +Wed Mar 16 09:07:34 1994 Matthias Pfaller (leo@marco.de) + + * ns32k.c (global_symbolic_reference_mentioned_p): Recurse only + if GET_CODE (op) == CONST. + + * ns32k.h (FUNCTION_PROLOGUE): Load sb through r0 if TARGET_REGPARM + is false. + +Wed Mar 16 06:57:45 1994 Richard Kenner (kenner@vlsi1.ultra.nyu) + + * emit-rtl.c (gen_lowpart_common, gen_highpart, operand_subword): + Test input against RTX for FP, AP, and SP, not same register number. + + * expr.c (expand_expr): Update comments and fix formatting. + (expand_expr, case VAR_DECL, STRING_CST, CONSTRUCTOR): If + flag_force_addr, put address in register unless REG. + (expand_expr, case CONSTRUCTOR, CONVERT_EXPR): Make TARGET with + TMODE, if specified. + (expand_expr, case IN_EXPR): Clean up. Allow INDEX to be an + unsigned type. Always evaluate SET and INDEX in case of side effects. + (expand_expr, case CONVERT_EXPR): Use convert_modes to handle consts. + (expand_expr, case ABS_EXPR): Simplify processing of COMPLEX. + Compare with zero word-by-word if required. + (expand_expr, case ABS_EXPR, MIN_EXPR, COND_EXPR): Don't use TARGET + if not MODE. + (expand_expr, case TRUTH_*_EXPR): Modes of input and output must agree. + (expand_expr, case CONJ_EXPR): Remove redundant def of MODE. + + * stor-layout.c (layout_record): If the place where we were going + to put a field changed, lay it out again. + +Tue Mar 15 07:53:36 1994 Paul A Vixie (paul@vix.com) + + * Makefile.in (stmp-fixproto): Add missing "-" in front of "if". + (install-headers-tar, gcc.xtar): Use "-" in front of tar options. + +Mon Mar 14 16:28:16 1994 Paul Eggert (eggert@twinsun.com) + + * fixincludes: Insert newlines just before the end of 'sed' + command strings if the last 'sed' command is 'a' or 'i'; + BSDI 1.1 'sed' needs this. + +Mon Mar 14 15:46:29 1994 Ian Lance Taylor (ian@cygnus.com) + + * fixinc.svr4: Don't name variables in mmap prototype. + +Mon Mar 14 15:16:38 1994 Doug Evans (dje@cygnus.com) + + * objc/Makefile (*.o): Add explicit dependencies for Sun's VPATH. + +Mon Mar 14 05:11:42 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (assign_parms, expand_function_start): Properly + set MEM_IN_STRUCT_P for DECL_RTL of function result. + + * c-decl.c (grokdeclarator): Convert to sizetype when manipulating + size of array and use care to avoid mixed-type operations. + + * expr.c (expand_expr): Don't call bc_expand_expr + if EXPAND_INITIALIZER. + * bc-optab.c (bc_expand_{binary,unary}_operation): Add missing + args to call to expand_expr. + * stmt.c (bc_expand_start_cond): Set exit_label if not EXITFLAG. + (bc_expand_end_bindings): Only define exit_label if set. + Don't pop nesting_stack. + * varasm.c (output_constant_def): Do hashing and make label + even if bytecode. + * bc-emit.c (bc_seg_write): Don't make unaligned reference to + seg->data. + * toplev.c (compile_file): Call bc_write_file here and pass + asm_out_file, not stdout. + (main): Don't call bc_write_file here. + Fix wording on error if -fbytecode specified on unsupported target. + + * fold-const.c (fold, associate): If -ffast-math, associate FP mults. + (fold, case RDIV_EXPR): Split case; ignore division by 1. + If -ffast-math, convert to multply by reciprocal. + (fold, case *_DIV_EXPR): Simplify A/C1/C2. + + * tree.h (tree_int_cst_sgn): New declaration. + * tree.c (tree_int_cst_sgn): New function. + * c-decl.c (finish_{decl,struct,enum}): Call it. + * c-typeck.c (build_binary_op, pop_init_level): Likewise. + (output_pending_init_elements): Likewise. + * expr.c (expand_builtin, case BUILT_IN_RETURN_ADDRESS): Likewise. + * fold-const.c (fold): Likewise. + (fold, case *_DIV_EXPR): Add missing conversion. + * convert.c (convert_to_integer): Convert integer_one_node to + proper type before tree_int_cst_lt call. + +Sun Mar 13 06:46:13 1994 Wolfgang Stukenbrock (wgstuken@immd4.informatik.uni-erlangen.de) + + * gcc.c (do_spec_1): Don't duplicate a macro starting with '__'. + +Sun Mar 13 05:54:00 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * convert.c (convert_to_integer): When changing type of truthvalue + operation, change types of inputs too. + * c-common.c (TRUTH_*_EXPR): Convert to integer_type_node. + + * tree.c: Include setjmp.h. + (build_real_from_int_cst): Propagate overflow flags and + establish float handler. + (build_complex): Propagate overflow flags. + * cse.c (simplify_binary_operation): Protect real_value_truncate + inside handler. + * fold-const.c (force_fit_value): Operate on REAL_CST as well. + (real_value_truncate): Don't use its own handler. + (const_binop): Set overflow on FP error and call force_fit_type. + (fold_convert): Likewise. + * c-common.c (constant_expression_warning, overflow_warning): + Handle REAL_CST and COMPLEX_CST. + * convex.h, convex.c, fx80.h, tahoe.h, vax.h, vax.c: Add OVERFLOW + operand to CHECK_FLOAT_VALUE. + + * jump.c (rtx_equal_for_thread_p): Correct error in previous + change; add missing arg in recursive call. + +Sat Mar 12 19:42:03 1994 H.J. Lu (hjl@nynexst.com) + + * configure (gxx-include-dir): Replacement for gxx-prefix. + * Makefile.in (gxx_include_dir): Likewise, for gxx_prefix. + + * i386/linux.h (NO_IMPLICIT_EXTERN_C): Defined. + +Sat Mar 12 07:42:12 1994 Paul Eggert (eggert@twinsun.com) + + * Makefile.in (stmp-fixproto): Work around a `make' bug in BSDI 1.1. + +Sat Mar 12 07:38:08 1994 Klaus Kaempf (kkaempf@didymus.rmi.de) + + * bi-run.h: Properly test BYTES_BIG_ENDIAN. + * bytecode.h: Likewise for WORDS_BIG_ENDIAN. + + * cccp.c (do_include, hack-vms_include_specification): Change handling + of '#include filename' to be compatible with VAX-C. + + * genemit.c (gen_exp): Added \n to printf to shorten line for VAX-C. + +Sat Mar 12 06:42:38 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.h (emit_float_lib_cmp): Add declaration here. + * optabs.c: Don't define emit_float_lib_cmp now that no longer static. + + * jump.c: Add prototypes for static functions. + (jump_optimize, delete_insn): Use GET_RTX_CLASS to test for insns. + (mark_jump_label): Delete dead code. + (delete_computation, redirect_tablejump): No longer static. + +Fri Mar 11 14:40:40 1994 Jim Wilson (wilson@cygnus.com) + + * lite.h (TARGET_DEFAULT): Use parentheses. + * sparc.h (TARGET_HARD_QUAD): New macro. + (TARGET_SWITCHES): Add hard-quad-float, soft-quad-float. + (TARGET_DEFAULT): Use parentheses. + ({ADDTF3,SUBTF3,MULTF3,DIVTF3,SQRTTF2,FLOATSITF2,FIX_TRUNCTFSI2, + EXTENDSFTF2,TRUNCTFSF2,EXTENDDFTF2,TRUNCTFDF2,EQTF2,NETF2,GTTF2, + GETF2,LTTF2,LETF2}_LIBCALL): New macros. + * sparc.md (sleu+4, sleu+7, extendsftf2, extenddftf2, trunctfsf2, + trunctfdf2, floatsitf2, fix_trunctfsi2, addtf3, subtf3, multf3, + divtf3, sqrttf2): Disable when -msoft-quad-float. + (beq, bne, bgt, blt, bge, ble): When -msoft-quad-float, account + for return value of SPARC ABI routines that differs from libgcc. + * flow.c (libcall_dead_p): Fail not abort for libcall that returns + value via invisible pointer. + * optabs.c (emit_float_lib_cmp): Make non static. + (init_optabs): Use {ADDTF3,SUBTF3,MULTF3,DIVTF3,SQRTTF2,FLOATSITF2, + FIX_TRUNCTFSI2,EXTENDSFTF2,TRUNCTFSF2,EXTENDDFTF2,TRUNCTFDF2,EQTF2, + NETF2,GTTF2,GETF2,LTTF2,LETF2}_LIBCALL macros. + + * sparc/sparc.h (STARTING_FRAME_OFFSET): Depend on + LONG_DOUBLE_TYPE_SIZE. + +Fri Mar 11 08:01:54 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * rtl.h, tree.h, g++.c, gcc.c (PVPROTO): New macro. + * combine.c, expr.h, rtl.h, tree.h, gcc.c: Use it for varargs protos.. + * genattrtab.c, mips-tfile.c, output.h, toplev.c: Likewise. + +Fri Mar 11 07:21:36 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (copy_rtx_if_shared, case LABEL_REF): Can't share. + * jump.c (jump_optimize): Delete REG_LABEL note if label no + longer in insn. + + * c-decl.c (finish_decl): When preserving an initializer, ensure + its type is on a good obstack. + +Thu Mar 10 15:32:42 1994 Mike Collison (collison@sw.stratus.com) + + * reload1.c (emit_reload_insns): When clearing reg_last_reload_reg, + clear all hard regs in reload_out. + +Thu Mar 10 15:23:10 1994 Hallvard B Furuseth (hbf@durin.uio.no) + + * collect2.c (dup2): Catch `dup' failure. Return correct value. + +Thu Mar 10 15:18:08 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * gcc.c ([__MSDOS__]): Use #ifdef, not #if. + * collect2.c ([__MSDOS__]): Likewise. + +Thu Mar 10 15:03:01 1994 Paul Eggert (eggert@twinsun.com) + + * cccp.c (main, finclude, check_precompiled): When safe_read + returns a partial buffer, this means EOF has been reached; + don't try to read any more. + +Wed Mar 9 18:47:29 1994 Paul Eggert (eggert@twinsun.com) + + * real.c (target_negative): -0 counts as negative. + +Wed Mar 9 15:32:01 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * m68k.md (movqi): Disable special-case of stack push if operand + one is an address register. + + * c-typeck.c (pointer_int_sum): Multiplication should be + done signed. + (pointer_diff): Likewise the division. + * fold-const.c (fold, case MULT_EXPR): Simplify MULT_EXPR of an + EXACT_DIV_EXPR with the same divisor as our multiplicand. + + * jump.c (rtx_equal_for_thread_p): Commutative operations + are identical if the operands match in the opposite order. + * sched.c (rtx_equal_for_memref_p): Likewise. + +Wed Mar 9 12:07:29 1994 Richard Earnshaw (rwe11@cl.cam.ac.uk) + + * cse.c (simplify_relational_operation): Fix typos; use + ARG_POINTER_REGNUM and FRAME_POINTER_REGNUM in condtionals. + +Tue Mar 8 16:12:07 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * explow.c (break_out_memory_refs): Don't call mark_reg_pointer + here. + (memory_address): Call it here if X changed and is now a REG + or REG + CONST_INT. + +Tue Mar 8 15:57:29 1994 Jim Wilson (wilson@cygnus.com) + + * c-decl.c (finish_decl): When saving/discarding initializers, + don't check TREE_PERMANENT and TREE_STATIC. + (finish_decl, finish_function): Pass new argument to + permanent_allocation. + * cp/decl.c (finish_function): Likewise. + * cp/decl2.c (write_vtable_entries, finish_file): Likewise. + * toplev.c (compile_file): Likewise. + * function.h (struct function): Add momentary_function_firstobj + field. + * tree.c (momentary_function_firstobj): New variable. + (init_obstack): Set it. + (save_tree_status): Save it and set it. + (restore_tree_status): Use it and restore it. + (permanent_allocation): New parameter function_end. Clear + momentary_obstack to momentary_function_firstobj if true. + (preserve_initializer): Set base field of every momentary + level on the momentary stack to new momentary_firstobj. + (pop_momentary): Only free back to previous base. + * tree.h (permanent_allocation): Add prototype. + +Mon Mar 7 20:10:56 1994 Jim Wilson (wilson@cygnus.com) + + * iris4gl.h: Rewrite. Include iris4loser.h not iris4-gdb.h. + Define PREFERRED_DEBUGGING_TYPE not ASM_SPEC. + + * bsd-4.h (LINK_SPEC): Do not depend on gas. Don't interpret -EB + and -EL options, but do pass them. + * bsd-5.h (LINK_SPEC): Likewise. + * decl-osf1.h (LINK_SPEC): Likewise. + * iris5.h (LINK_SPEC): Likewise. + * mips-5.h (LINK_SPEC): Likewise. + * mips.h (LINK_SPEC): Likewise. + * svr3-4.h (LINK_SPEC): Likewise. + * svr3-5.h (LINK_SPEC): Likewise. + * svr4-4.h (LINK_SPEC): Likewise. + * svr4-5.h (LINK_SPEC): Likewise. + + * dec-bsd.h (LINK_SPEC): Pass all normal linker options to gld. + (ASM_SPEC): Pass all normal assembler options to gas. + * osfrose.h (LINK_SPEC): Likewise. + (ASM_SPEC): Likewise. + + * mips.h (ASM_SPEC): Make definition depend on whether or + not the default assembler is gas. Pass all normal assembler + options to gas. + * iris4loser.h (ASM_SPEC): Likewise. Pass -O0 if the assembler is + not gas. + + * iris3.h (ASM_SPEC, LINK_SPEC): Delete. + * news4.h (ASM_SPEC, LINK_SPEC): Delete. + * news5.h (LINK_SPEC): Delete. + * nws3250v4.h (ASM_SPEC, LINK_SPEC): Delete. + * ultrix.h (ASM_SPEC, LINK_SPEC): Delete. + + * mips.h (ASM_FINAL_SPEC): Cross compiling does not presume gas. + + * osfrose.h (SIZE_TYPE): Delete. + (MAX_WCHAR_TYPE_SIZE): Define. + + * calls.c (expand_call): For pcc_struct_value case, set + MEM_IN_STRUCT_P correctly on target. + + * Makefile.in (mostlyclean): Don't explicitly delete ld. + +Mon Mar 7 20:06:38 1994 Ian Lance Taylor (ian@cygnus.com) + + * mips-tdump.c (print_symbol): The index field of a global symbol + is the symbol table index of the corresponding local symbol, not + an index into the aux table. + (print_file_desc): Print out size of line number information + rather than repeating line number count. The cbLineOffset field + of a PDR is relative to the cbLineOffset field of the FDR. Also, + when computing line_end of the last PDR, use cbLineOffset, not + ilineBase. + +Mon Mar 7 17:42:35 1994 H.J. Lu (hjl@nynexst.com) + + * Makefile.in (gxx_prefix): New; default to $(libdir). + (GPLUSPLUS_INCLUDE_DIR): Change to $(gxx_prefix)/g++-include. + * configure (gxx_prefix): New; default to $(libdir). + + * i386/linux.h (GPLUSPLUS_INCLUDE_DIR): Deleted. + (STARTFILE_SPEC): Remove "-nojump". + +Mon Mar 7 17:06:08 1994 Stephen R. van den Berg (berg@pool.informatik.rwth-aachen.de) + + * i386/xm-linux.h (malloc): Remove disabled code. + +Mon Mar 7 13:27:09 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cccp.c (no_record_file): New variable. + (main): Set it for -imacros and -include files. + (do_endif): Don't call record_control_macro for -include or -imacros + files or files included from -imacros. + +Sun Mar 6 21:48:51 1994 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * config.sub: Accept freebsd as OS. + +Sun Mar 6 14:40:00 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stupid.c: Add prototypes for static functions. + (last_{jump,label}_suid): Deleted; all uses deleted. + (reg_crosses_blocks): Likewise. + (stupid_life_analysis): Only allocate MAX_SUID entries + of after_insn_hard_regs. + Use GET_RTX_CLASS when possible. + Initialize all of reg_renumber. + Use reg_alternate_class when reg not available in preferred class. + (stupid_find_reg): Delete argument CROSSES_BLOCKS. + + * stupid.c (stupid_mark_refs): If setting reg_where_dead, set + regs_live so we don't later clobber it. + + * recog.c (constrain_operands): Properly handle '#' in constraint. + + * combine.c (subst): Split into five functions. + (simplify_{rtx,if_then_else,set,logical}): New functions. + +Sun Mar 6 13:12:48 1994 James Van Artsdalen (james at bigtex.cactus.org) + + * reg-stack.c (find_blocks): Undo previous change to block + delineation algorithm. + (reg_to_stack): Make algorithm identical to that in find_blocks. + +Sat Mar 5 16:27:58 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * genattrtab.c (attr_printf): Remove `register' from decl of FMT. + * tree.c (build_nt, build_parse_node): Remove `register' from decl + of CODE. + + * reload.c (get_secondary_mem): Call SECONDARY_MEMORY_NEEDED_MODE + if it is defined. + * alpha.h (SECONDARY_MEMORY_NEEDED_MODE): New macro. + * alpha.c (output_{pro,epi}log): Round var size to quadword boundary. + + * alpha.md (unaligned_{load,store}hi): Clear low bit of + address before using as operand to extwl, mskwl, and inswl. + (movhi, reload_inhi, reload_outhi): Pass extra scratch value. + +Fri Mar 4 17:16:23 1994 Leonard Norrgard (vinsci@nic.funet.fi) + + * c-lex.c: Delete gperf-generated source from here. + * c-gperf.h: New file; contains just gperf output. + * Makefile.in (c-gperf.h): New rule. + (c-lex.o): Depends on c-gperf.h. + (realclean): Delete c-gperf.h. + (distdir): Build c-gperf.h. + (diff): Omit differences in c-gperf.h. + +Fri Mar 4 06:35:26 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * svr4.h, m88k.h (ASM_FINISH_DECLARE_OBJECT): Set + size_directive_output to 1. + + * reload1.c (emit_reload_insns): Don't call gen_input_reload if + src and dest are identical. + +Thu Mar 3 15:32:55 1994 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.md (mskXl): Add missing NOT in patterns. + + * t-m88k: Remove added realclean rule. + +See ChangeLog.8 for earlier changes. |