2001-01-12 Michael Hayes * loop.h (total_biv_increment): Constify iv_class pointer. (struct induction): Replace `mem_mode' with `mem' rtx. * unroll.c (total_biv_increment): Constify iv_class pointer. * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx. (find_mem_givs, combine_givs_p): Likewise. (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New. 2001-01-10 Thomas Pfaff * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32 LastError. (__gthread_getspecific): Ditto. Fri Jan 12 00:04:00 MET 2001 Jan Hubicka * i386.c (ix86_comparison_operator, fcmov_comparison_operator, put_condition_code): Convert fp comparison codes to integer before handling. (ix86_expand_fp_compare): Postnote the fp comparison code converison to final. * i386.c (unsigned_comparison, no_comparison_operator): Kill. * i386-protos.h (no_comparison_operator): Kill. * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion. * combine.c (REVERSIBLE_CC_MODE): Remove. (reversible_comparison_p): Remove. (combine_reversed_comparison_code): New. (reversed_comparison): New. (combine_simplify_rtx): Use combine_reversed_comparison_code/reversed_comparison instead of reversible_comparison_p. (simplify_if_then_else): Likewise. (simplify_set): Likewise. (simplify_logical): Likewise. (if_then_else_cond): Likewise. (known_cond): Likewise. (simplify_comparison): Likewise. 2001-01-11 Alan Lehotsky * builtins.c (std_expand_builtin_va_start): Handle varargs when sizeof (int) is larger than sizeof(__word__). 2001-01-11 Neil Booth * cppinit.c (do_includes): Fix typo. 2001-01-11 Stephane Carrez * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading in S_REGS does not occur because not all sources are possible when a S_REGS is a destination (sometimes needs a clobber). (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise. (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise. (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise. (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise. (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise. (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise. (lshrdi_const1, lshrsi3_const16): Likewise. (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise. (*movhi_68hc12, *movqi_68hc12): Likewise. (movstrictqi): Make sure reloading in D_REGS as a destination does not happen. 2001-01-11 Neil Booth * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. 2001-01-11 Neil Booth * cppinit.c (cpp_start_read): If -fpreprocessed, ignore -D, -U and -A, and don't initialize the builtins. (do_includes): Error if -include or -imacros with -fpreprocessed. * cppmain.c (cb_define, cb_undef): Unconditionally process the callback. * tradcpp.c (main): Fix typo. 2000-01-11 Mark Elbrecht * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include) (read_name_map): Use IS_ABSOLUTE_PATH. * tradcpp.c (get_filename): Likewise. 2001-01-11 Stephane Carrez * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers. (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise. (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise. (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise. (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise. (cmphi_z_used): Don't use '@' for the output. (tstqi_z_used): Likewise. (cmpqi_z_used): Likewise. (one_cmplsi2): Likewise. 2001-01-11 Alexandre Oliva * config/sh/sh.c (barrier_align): Recognize branch around far branch and redundant insn. 2001-01-11 Neil Booth * invoke.texi: Restore documentation of the drivers' switches -MD and -MMD. 2001-01-11 Alexandre Oliva * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1. * Makefile.in (check-gcc//%, check-g++//%, check-g77//%, check-objc//%): Support parallel testing of multilibs. (TESTSUITEDIR): Set to testsuite by default, but override for parallel testing. (check-gcc, check-g++, check-g77, check-objc): Enter $(TESTSUITEDIR). 2001-01-11 Bernd Schmidt * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO. * sched-deps.c (deps_may_trap_p): Likewise. * basic-block.h: Remove a comment. * flow.c (PROP_POSTRELOAD): Remove. (update_life_info): Don't add it to prop_flags. (mark_set_1): Lose the code that was enabled by it. 2001-01-11 Michael Hayes * flow.c (flow_call_edges_add): New. * basic_block.h (flow_call_edges_add): New. 2001-01-11 J"orn Rennecke * reload1.c (move2add_note_store): Update reg_set_luid even if base reg remains the same. 2001-01-10 Nick Clifton * config/d30v/d30v.c (d30v_init_machine_status): Initialise machine_function structure to zero. Add prototypes for machine_status functions. 2001-01-10 Mark Mitchell * c-common.h (CTI_VOID_LIST): Remove. (void_list_node): Likewise. * tree.h (TI_VOID_LIST_NODE): New enumeral. (void_list_node): New macro. * config/arm/arm.c (arm_init_builtins): Use void_list_node. * config/i386/i386.c (ix86_init_builtins): Likewise. * config/ia64a/ia64.c (ia64_init_builtins): Likewise. 2001-01-10 Neil Booth * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o * cppinit.c (cpp_start_read): Update comment, remove unneeded if statement. * tradcpp.c: Include mkdeps.h. (deps, print_deps_phony_targets, deps_append, output_deps, init_dependency_output, output_deps): New. (deps_buffer, deps_allocated_size, deps_size, deps_column, deps_output): Delete. (print_deps_missing_files): Rename deps_missing_files. (inhibit_output): Make global. (main): Delete inhibit_output, deps_stream, deps_target. Use mkdeps functionality in the same way as cpplib. Remove -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of -M and -MM. Remove old handling of deps via deps_out, and old reading of environment variables. (get_filename): Update to use deps_add_dep. 2001-01-10 Mark Mitchell * output.h (make_function_rtl): Remove prototype. (make_decl_rtl): Likewise. * varasm.c (make_function_rtl): Remove. (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather than from a third parameter. * tree.h (make_decl_rtl): Remove last parameter. * c-decl.c (builtin_function): Remove last argument in call to make_decl_rtl; use make_function_rtl instead of make_decl_rtl. (start_function): Likewise. * except.c (call_get_eh_context): Likewise. * expr.c (emit_block_move): Likewise. (clear_storage): Likewise. * profile.c (output_func_start_profiler): Likewise. * toplev.c (rest_of_decl_compilation): Likewise. * objc/objc-act.c (create_builtin_decl): Likewise. (synth_module_prologue): Likewise. (generate_static_reference): Likewise. (build_selector_reference_decl): Likewise. (build_class_reference_decl): Likewise. (build_objc_string_decl): Likewise. (build_protocol_reference): Likewise. 2001-01-10 Richard Henderson * hwint.h: Revert yesterday's change. 2001-01-10 Nick Clifton * function.h (save_machine_status): Delete. (restore_machine_status): Delete. Amend comment describing {init|mark|free}_machine_status. * function.c (save_machine_status): Delete. (restore_machine_status): Delete. Amend comment describing {init|mark|free}_machine_status. (push_function_context_to): Remove invocation of save_machine_status. (pop_function_context_from): Remove invocation of restore_machine_status. * emit-rtl.c (init_emit_once): Amend comment describing {init|mark|free}_machine_status. * tm.texi (Per-Function Data): New node. Describe the INIT_EXPANDERS macro and the {init|mark|free}_machine_status function pointers. 2001-01-10 Neil Booth * cppinit.c (OPT_g): Remove. (cpp_handle_option): Update for removed -g3. (print_help): Update. * cpplib.h (struct cpp_options): Remove debug_output. * cppmain.c (setup_callbacks, cb_define): Update. * gcc.c (cpp_options): Translate -g3 to -dD. 2001-01-10 Aldy Hernandez * config/i960/i960.md: Change modifier to + on the zero_extract pattern after the (rotate -2 reg) canonicalization pattern. 2001-01-10 Richard Henderson * config/alpha/alpha.c (alpha_free_machine_status): New. (override_options): Install it. (alpha_mark_machine_status): Verify machine non-null. * config/i386/i386.c (ix86_free_machine_status): New. (override_options): Install it. (ix86_init_machine_status): Use xcalloc. (ix86_mark_machine_status): Verify machine non-null. * config/ia64/ia64.c (ia64_free_machine_status): New. (ia64_override_options): Install it. (ia64_mark_machine_status): Verify machine non-null. Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com) * function.c (instantiate_virtual_regs): Instantiate virtual registers found in CALL_INSN_FUNCTION_USAGE. 2001-01-10 Joseph S. Myers * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as equivalent to -ansi in disabling -Di386. Wed Jan 10 16:38:31 MET 2001 Jan Hubicka * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes): new functions. (ix86_expand_fp_compare): Make trivial use of new infrastructure. 2001-01-10 Richard Earnshaw * arm.c (arm_init_builtins): Temporarily disable xscale builtins. 2001-01-10 Joseph S. Myers * invoke.texi: Document that -fcond-mismatch isn't supported for C++. 2001-01-10 Joseph S. Myers * gcc.texi: Define macro gcctabopt. * invoke.texi: Add manpage sections BUGS and AUTHOR. Use @command, @env and @option in some places where appropriate. Use @gcctabopt where appropriate. Put URLs and email addresses inside @w. 2001-01-10 Nathan Sidwell * gcc.c (cpp_options): Set MD file name from output filename, if specified. (suffix_subst): New static variable. (do_spec): Clear it. (do_spec_1, case '.'): Handle new `%.suffix' spec. Clear it. (give_switch): Handle suffix_subst. 2001-01-10 Phil Edwards * invoke.texi: Fix another typo. 2001-01-10 Phil Edwards * invoke.texi: Fix typo. 2001-01-10 Neil Booth * c-lang.c (lang_hooks): Update. (lang_decode_option): Remove. (lang_init_options): Rename c_init_options. * toplev.c (main): Use lang_hooks for lang_init_options and lang_decode_option. * toplev.h (lang_hooks): Add 2 new hooks. * tree.h: Remove lang_init_options and lang_decode_option. * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option. * cp/decl2.c: Similarly. * cp/lex.c (lang_init_options): Rename cxx_init_options. (lang_hooks): Update. * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish for consistency. (lang_init_options): Rename ffe_init_options. (lang_hooks): Update. (lang_decode_option): Remove. * java/lang.c (lang_init_options): Rename java_init_options. (lang_decode_option): Rename java_decode_option. (lang_hooks): Update. * objc/objc-act.c (lang_init_options): Rename objc_init_options. (lang_decode_option): Rename objc_decode_option. (lang_hooks): Update. 2001-01-09 Nick Clifton * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete. (d30v_return_addr_rtx): Delete. (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the cfun->machine structure. (struct machine_function): Move to d30v.h (d30v_save_machine_status): Delete. (d30v_restore_machine_status): Delete. (d30v_init_machine_status): New Function. (d30v_mark_machine_status): New Function. (d30v_free_machine_status): New Function. (d30v_init_expanders): Use new functions. (d30v_return_addr): Use ra_rtx field in cfun->machine. (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and d30v_return_addr_rtx. * config/d30v/d30v.h (struct_machine): Move here. Add eh_epilogue_sp_ofs field. *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs field in cfun->machine structure. Tue Jan 9 21:34:57 2001 John David Anglin * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code, PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register. * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com) * objc/lang-options.h: Remove bogus reference to Java trademark. 2001-01-09 Kazu Hirata * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to return the result. 2001-01-09 Alan Lehotsky * reload.c (find_reloads_address): Check for eliminable registers when substituting a constant expression for a pseudo. 2001-01-09 Joseph S. Myers * c-common.c (enum format_type): Add format_type_error. (decode_format_type): New function. (decl_attributes): Use it. (format_kind_info): Adjust comment. 2001-01-09 David O'Brien * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1, i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific files in tm_file. * config/i386/gnu.h: Don't include required platform specific .h files, tm.h will do it instead. * config/i386/i386elf.h: Likewise. * config/i386/linux.h: Likewise. * config/i386/moss.h: Likewise. * config/mips/gnu.h: Likewise. 2001-01-09 Franz Sirl * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h. (rs6000-ibm-aix3.[01]*): Likewise. (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise. (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise. (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise. (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise. (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h. (powerpc-*-eabiaix*): Likewise. (powerpc-*-eabisim*): Likewise. (powerpc-*-elf*): Likewise. (powerpc-*-eabi*): Likewise. (powerpc-*-rtems*): Likewise. (powerpc-*-linux*libc1): Likewise. (powerpc-*-linux*): Likewise. (powerpc-wrs-vxworks*): Likewise. (powerpcle-wrs-vxworks*): Likewise. (powerpcle-*-sysv*): Likewise. (powerpcle-*-elf*): Likewise. (powerpcle-*-eabisim*): Likewise. (powerpcle-*-eabi*): Likewise. (powerpcle-*-solaris2*): Likewise. * config/rs6000/aix31.h: Delete includes. * config/rs6000/aix3newas.h: Likewise. * config/rs6000/aix41.h: Likewise. * config/rs6000/aix43.h: Likewise. * config/rs6000/beos.h: Likewise. * config/rs6000/rtems.h: Likewise. * config/rs6000/sysv4.h: Likewise. 2001-01-09 Kazu Hirata * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu. Change an argument mode of machine_mode to shift_mode of shift_mode. Remove an extra error check. (emit_a_shift): Adopt to the new calling prototype of get_shift_alg. (function_prologue): Fix code for a monitor function. Support H8/S. (function_epilogue): Do not output pop for a monitor function. 2001-01-09 Nick Clifton * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete. (setup_incoming_varargs): Use sysv_varargs_p field of the cfun->machine structure. (struct machine_function): Move to rs6000.h (rs6000_save_machine_status): Delete. (rs6000_restore_machine_status): Delete. (rs6000_init_machine_status): New Function. (rs6000_free_machine_status): New Function. (rs6000_init_expanders): Use new functions. * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete export. (struct machine_function): Move here. * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use sysv_varargs_p field of the cfun->machine structure. * config/rs6000/rs6000-protos.h (rs6000_save_machine_status): Remove prototype. (rs6000_restore_machine_status): Remove prototype. 2001-01-09 Richard Henderson * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg. * sched-deps.c (sched_analyze_1): Update uses of struct deps. (sched_analyze_2, sched_analyze_insn): Likewise. (sched_analyze, init_deps): Likewise. (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET. * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument. (compute_block_backward_dependences): Update propagate_deps call. 2001-01-09 Mark Elbrecht * gcc.c (process_command): Set switches[n_switches].ordering to 0. 2001-01-09 Neil Booth * cppinit.c (OPT_MD, OPT_MMD): Restore. (cpp_handle_option): Handle them. (cpp_post_options): Ensure one of -M or -MM is specified with any other -M? option. (init_dependency_output): Suppress output with -MG. 2001-01-09 Neil Booth * cpp.texi: Update. * invoke.texi: Update. 2001-01-09 Bernd Schmidt * sh.md (reload_outsf): Generate recognizable patterns for TARGET_SH3E. 2001-01-09 Neil Booth * c-lang.c (lang_hooks): Update. (lang_init): Rename c_init. (lang_finish): Remove. * toplev.c (compile_file): Use lang_hooks for lang_init () and lang_finish (). * toplev.h (lang_hooks): Add init () and finish (). * tree.h (lang_init, lang_finish): Remove. * cp/tree.h (lang_init, lang_finish): Remove. * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c. * cp/lex.c (cxx_init, cxx_finish, cxx_post_options, lang_hooks): New. (lang_init, lang_finish): Remove. * f/com.c (lang_init, lang_finish): Rename f_init, f_finish. (lang_hooks): Update. * java/lang.c (lang_init): Rename java_init. (lang_finish): Remove. (lang_hooks): Update. * objc/objc-act.c (lang_init): Rename objc_init. (lang_finish): Remove. (lang_hoooks): Update. 20001-01-09 Graham Stott * cppfiles.c (_cpp_execute_include): Move `len` initialisation after `ptr` is initialised. 2001-01-09 Alexandre Oliva * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3. (INITIALIZE_TRAMPOLINE): Adjust accordingly. * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for stack adjusts, instead of r3. 2001-01-09 Michael Hayes * flow.c (flow_loop_scan): Break out of ... (flow_loops_find) ... here. * basic-block.h (flow_loop_scan): New. (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add. (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine. 2001-01-09 Alexandre Oliva * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero macro_buffer_len. * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when realloc()ing macro_buffer. * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long if it's wider than long and the target's long is wider than the host's. 2001-01-09 Mark Mitchell Remove support for using UWIN as a host machine. * configure.in: Issue an error message. * configure: Regenerated. * config.gcc: Remove xm_* UWIN configury. * config/i386/xm-uwin.h: Remove. 2001-01-08 Nick Clifton * config/v850/v850.c (ra_rtx): Delete. (v850_save_machine_status): Delete. (v850_restore_machine_status): Delete. (v850_init_machine_status): New function. (v850_mark_machine_status): New function. (v850_free_machine_status): New function. (v850_return_addr): Use ra_rtx field in machine structure. (v850_init_expanders): Use new functions. * config/v850/v850-protos.h: Fix prototypes for v850_output_* * config/v850/v850.c: Change arguments to v850_output+* functions to take a const char *, to avoid compile time warning. * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed. (USER_LABEL_PREFIX): Redefine. 2000-01-08 Jim Wilson * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast 1 to unsigned HOST_WIDE_INT before left shift. 2001-01-08 Nick Clifton * config/arm/arm.c (arm_mark_machine_status): Check to see if the machine structure has been allocated. (arm_free_machine_status): New function: Free the machine specific function structure. 2001-01-08 Richard Henderson * jump.c (simplejump_p): Revert last change. 2001-01-08 Neil Booth * cppinit.c (init): Rename init_library. (cpp_create_reader): Update. * gcc.c (cpp_options): If -o given, use it as the target of any -M options. 2001-01-08 Richard Earnshaw * arm.c (arm_arch5e): New variable. (all_cores): XScale is a 5TE device. (arm_override_options): Set arm_arch5e. (arm_init_builtins): __builtin_prefetch is in arch5e. * arm.h (arm_arch5e): Declare it. * arm.h (PREDICATE_CODES): Add arm_hard_register_operand. * arm.md (define_constants): Add defines for UNSPEC and UNSPEC_VOLATILE insns. Update all users. (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM. * arm.c (multi_register_push, note_invalid_constants) (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants. * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines. (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM. Mon Jan 8 16:14:56 MET 2001 Jan Hubicka * jump.c (jump_optimize_1): Use reversed_comparison_code instead of can_reverse_comparison_p. (jump_back_p): Likewise. (invert_exp_1): Likewise. (thread_jumps): Likewise. * simplify-rtx.c (simplify_unary_operation): Likewise. (simplify_ternary_operation): Likewise. * cse.c (find_comparison_args): Convert to use can_reverse_comparison_p. (record_jump_equiv): Likewise. 2001-01-08 Richard Earnshaw * arm.h (HARD_REGNO_RENAME_OK): Delete. (EPILOGUE_USES): Define. (INITIAL_ELIMINATION_OFFSET): Current prologue code does not automatically stack the LR if it isn't live. Mon Jan 8 13:46:02 MET 2001 Jan Hubicka * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions properly. Sun Jan 7 18:37:43 2001 Mark P Mitchell * ggc-page.c (max_alignment): New structure. (MAX_ALIGNMENT): New macro. (init_ggc): Use it to round up the sizes in the extra_order_size_table. 2001-01-07 Franz Sirl * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register after reload. 2001-01-07 Kaveh R. Ghazi * builtins.def (BUILT_IN_FPRINTF): New entry. * c-common.c (c_expand_builtin_fprintf): New function. (init_function_format_info): Handle __builtin_fprintf. (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf. (c_expand_builtin): Handle BUILT_IN_FPRINTF. * c-decl.c (duplicate_decls): Adjust comment. * extend.texi (fprintf): Document new builtin. 2001-01-07 Richard Henderson * jump.c (simplejump_p): Recognize any single_set jump of the proper form. 2001-01-07 Richard Henderson * configure.in (slibdir): Accept an --with-slibdir option. Use "test" not "[" in configure. Default to $(libdir). * config/t-linux (SHLIB_INSTALL): Double quote slibdir; fix typo in rm -f. * config/t-aix43 (SHLIB_INSTALL): Likewise. * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise. (SHLIB_LINK): Create links for the soname. * config/mips/t-iris6: Likewise. * config/sparc/t-slibgcc: Likewise. * config/sparc/t-slibgcc-sld: Likewise. 2001-01-07 Jakub Jelinek * config/i386/i386.c (constant_call_address_operand): Accept (const (plus (symbol_ref) (const_int))). * config/i386/i386.h (PREDICATE_CODES): Add CONST for constant_call_address_operand. 2001-01-08 Michael Hayes * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1 and LONG_LONG_TYPE_SIZE > 32. 2001-01-07 Gerald Pfeifer * jump.c (reversed_comparison_code_parts): Fix typo introduced by the previous change. Sun Jan 7 19:37:48 MET 2001 Jan Hubicka * jump.c (reversed_comparison_code_parts, reversed_comparison_code): New. (can_reverse_comparison_p): Rewrite to use reversed_comparison_code. (reverse_condition_maybe_unordered): Abort on unsigned comparisons. * rtl.h (reversed_comparison_code_parts, reversed_comparison_code): Declare. 2001-01-07 Neil Booth * fix-header.c (read_scan_file): s/pfile/scan_in/. 2001-01-07 Neil Booth * c-lang.c (c_post_options): Call cpp_post_options. * objc/objc-act.c (objc_post_options): Similarly. * cppmain.c (main): Similarly. * fix-header.c (read_scan_file): Similarly. * cppinit.c (cpp_start_read): Move option consistency checks to cpp_post_options. Don't call init_dependency_output. If needed, add default target and main file dependency. (OPT_MD, OPT_MMD): Remove. (OPT_MF): New. (cpp_handle_option): Update for OPT_* changes. (cpp_post_options): New. (init_dependency_output): Command line -MF overrides environment variables. Don't set default target etc. Suppress output if dependencies are going to stdout. (print_help): Update. * cpplib.h (cpp_post_options): New. * gcc.c (cpp_options): Update for -MD, -MMD, -MF. Sun Jan 7 14:44:19 MET 2001 Jan Hubicka * jump.c (comparison_dominates_p): Support unordered compares. Sun Jan 7 14:39:07 MET 2001 Jan Hubicka * simplify-rtx.c (simplify_relational_operation): Always simplify ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE and UNGE. Sun Jan 7 14:35:13 MET 2001 Jan Hubicka * combine.c (combine_simplify_rtx): Recognize the unordered compares. (nonzero_bits): Likewise. (simplify_comparison): Likewise. (num_sign_bit_copies): Likewise; return more sane value depending on STORE_FLAG_VALUE. (known_cond): Do not assume EQ to be always true for equivalent operands. Sun Jan 7 14:31:57 MET 2001 Jan Hubicka * cse.c (fold_rtx): Handle unordered comparisons. Sun Jan 7 13:49:19 MET 2001 Jan Hubicka * rtlanal.c (set_of_1): New static function. (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag, reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno, reg_set_last_last_regno): Remove. (set_of): New global function. (set_of_data): New structure. (reg_set_p, reg_set_last): Revamp for set_of. * rtl.h (set_of): New. 2001-01-07 Joseph S. Myers * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin. * extend.texi: Document _Exit builtin. 2001-01-07 Neil Booth * (initialize, initialize_builtins, initialize_dependency_output, initialize_standard_includes): Rename s/initialize/init. Update. (init_dependency_output): Move to after cpp_handle_options, the correct location temporally at least. (opt_comp): Move next to init (), its caller. Fix prototype. (init): Make "initialized" local scope. (cpp_create_reader): Always call init (). (cpp_start_read): Update. (output_deps): New function, broken out of cpp_finish. (cpp_finish): Break out output_deps. 2001-01-07 Richard Henderson * collect2.c (COFF specific stuff): Revert 12-06 patch to prototype system functions. 2001-01-07 Michael Hayes * hard-reg-set.h: Add multiple include guard. * basic-block.h (struct loop): Add `sink' field. * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h. (emit_iv_add_mult): Delete. (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define. (loop_iv_add_mult_emit_before, loop_insn_sink): Define. (unroll_loop): Remove end_insert_before argument. * loop.c (loop_givs_rescan): Remove end_insert_before argument. (maybe_eliminate_biv_1): Likewise. (emit_iv_add_mult): Delete. (gen_add_mult, loop_regs_update): New. (loop_insn_emit_after, loop_insn_emit_before): New. (loop_insn_sink, loop_insn_sink_or_swim): New. (emit_iv_add_mult): Delete. (scan_loop): Set loop->sink. (loop_givs_reduce): Use loop_insn_sink and its ilk. (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise. (maybe_eliminate_biv_1): Likewise. (maybe_eliminate_biv_1): Add basic block argument. * unroll.c (unroll_loop): Remove end_insert_before argument. (find_splittable_regs): Likewise. (find_splittable_regs): Use loop_insn_sink and its ilk. (find_splittable_givs, final_biv_value, final_giv_value): Likewise. 2001-01-07 Michael Hayes * loop.h (loop_insn_hoist): New prototype. * loop.c (loop_insn_hoist, loop_insn_emit_before): New. (move_movables, loop_givs_rescan): Use loop_insn_hoist. (check_dbra_loop, load_mems): Likewise. * unroll.c (unroll_loop, find_splittable_regs): Likewise. (find_splittable_givs): Likewise. 2001-01-07 Michael Hayes * loop.c (emit_iv_add_mult): Use single_set to examine new insn. 2001-01-07 Richard Henderson * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change. 2001-01-07 Richard Henderson * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and NO_SHARED_LIBGCC_MULTILIB as required for the target. * gcc.c (init_spec): Massage the existing libgcc_spec into a variant that handles a shared libgcc. (process_command): Always validate -{static,shared}-libgcc. (do_spec_1): New 'M' case. * invoke.text (Link Options): Document -{static,shared}-libgcc. 2001-01-07 Richard Henderson * Makefile.in (slibdir): New variable. (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc. (installdirs): Create slibdir. (install-libgcc, install-multilib): Defer to libgcc.mk. * configure.in (slibdir): Substitute. * mklibgcc.in (install): New target. * config/t-linux (SHLIB_LINK): Create links for the soname. (SHLIB_INSTALL): New. * config/alpha/t-osf4 (SHLIB_INSTALL): New. * config/mips/t-iris6 (SHLIB_INSTALL): New. * config/rs6000/t-aix43 (SHLIB_INSTALL): New. * config/sparc/t-slibgcc (SHLIB_INSTALL): New. * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New. 2001-01-07 Richard Henderson * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New. * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove. * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove. 2001-01-07 Michael Hayes * loop.c (count_loop_regs_set): Delete. (load_mems_and_recount_loop_regs_set): Delete. (loop_regs_scan): Merge common code from count_loop_regs_set, scan_loop, and load_mems_and_recount_loop_regs_set. (scan_loop): Call load_mems directly and loop_regs_scan again if new registers created. 2001-01-07 Neil Booth * toplev.c (main): Call the front-end specific post_options hook if one is given. * toplev.h (struct_lang_hooks, lang_hooks): New. * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks for the C front end. * cp/decl2.c (cxx_post_options, lang_hooks): Implement lang_hooks for the C++ front end. * objc/objc-act.c (objc_post_options, lang_hooks): Implement lang_hooks for the ObjC front end. * f/com.c (lang_hooks): Hooks for the Fortran front end. * java/lang.c (lang_hooks): Hooks for the Java front end. 2001-01-07 Neil Booth * c-lex.c (init_c_lex): Request #define / #undef callbacks for verbose DWARF[2] debugging. (cb_define, cb_undef): The new callbacks. * toplev.h (debug_define, debug_undef): Make const correct. * toplev.c (debug_define, debug_undef): Similarly. Do not perform the verbosity tests here anymore. 2001-01-07 Alexandre Oliva * reload.c (subst_reloads): Take INSN argument. When replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note. * reload.h (subst_reloads): Adjust prototype. * reload1.c (reload_as_needed): Pass INSN to subst_reloads. * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes present in JUMP_INSNs and copy them to JUMP_LABEL. * flow.c (find_label_refs, find_basic_blocks_1): Skip JUMP_INSNs and insns with REG_LABELs that are followed by JUMP_INSNs with the same REG_LABEL. * sched-rgn.c (is_cfg_nonregular): Likewise. * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL note is available. * unroll.c (unroll_loop): Look for REG_LABEL notes in JUMP_INSNs too. * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs. 2001-01-06 Richard Henderson * loop.c (scan_loop): Use xcalloc for the regs array. (load_mems_and_recount_loop_regs_set): Zero the new memory received from xrealloc. 2001-01-06 Neil Booth * mkdeps.c (deps_add_dep): Fix vector re-allocation. Sat Jan 6 00:09:34 2001 J"orn Rennecke * integrate.c (copy_rtx_and_substitute): When copying an ignored return value, strip REG_FUNCTION_VALUE_P. 2001-01-06 Michael Hayes * loop.c (debug_biv, debug_giv): New. (loop_biv_dump): Break out from ... (record_biv): ... here. (loop_giv_dump): Break out from ... (record_giv): ... here. (loop_bivs_check): Use print_simple_rtl. * unroll.c (loop_iterations): Use print_simple_rtl. 2000-01-05 John David Anglin * pa.md (return, return_internal): Modify patterns to prevent regrename mucking with the return pointer. 2001-01-05 Mike Stump * varasm.c (assemble_name): Ensure we output the stripped name. 2001-01-05 Richard Henderson * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change. Fri Jan 5 16:34:18 2001 Nick Clifton * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster version supplied by Matteo Frigo. 2001-01-05 Neil Booth * cpp.texi: Update for -MQ. * cppinit.c (cpp_create_reader): Always create pfile->deps. (cpp_cleanup): Always free pfile->deps. (initialize_dependency_output): Don't create pfile->deps. (cpp_handle_option): Similarly. (OPT_MQ): New. * gcc.c (cpp_options): Handle -MQ. (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. * mkdeps.c (base_name): Remove. (deps_init): Don't allocate vector space until it's needed. (deps_free): Only free vectors if allocated. (deps_add_target, deps_add_dep): Update for initial allocation. (deps_add_default_target): Don't strip to the base_name. 2001-01-05 DJ Delorie * config/v850/v850.h (RETURN_ADDR_RTX): Define. (INIT_EXPANDERS): Define. * config/v850/v850.c (struct machine_function): Define. (v850_save_machine_status): New function. (v850_restore_machine_status): New function. (v850_return_addr): New function. (v850_init_expanders): New function. * config/v850/v850-protos.h: Add prototypes for v850_return_addr and v850_init_expanders. 2001-01-05 Zack Weinberg * cpplib.h (struct cpp_reader): Add help_only field. * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version. (cpp_handle_option): Set pfile->help_only if we see -h, --help, -target-help, or --version. Print version string but do not set help_only if we see -v or -version. Make text printed by -v match that printed by (-)-version. * cppmain.c (main): Exit after option parsing if pfile->help_only is true. * toplev.c (independent_decode_option): Call print_version, then exit, if we see --version (but not -version). (print_version): Split lengthy message into two lines. 2001-01-05 Nick Clifton * config/v850/v850.c (v850_encode_data_area): Use alloca to create temporary string for initialisation before calling ggc_alloc_string. 2001-01-06 Michael Hayes * rtl.h (print_simple_rtl): New. * print-rtl.c (print_simple_rtl): New. (flag_simple): New. (print_rtx): Disable printing of flags and modes, etc., if `flag_simple` nonzero. 2001-01-05 Zack Weinberg * function.c (fixup_var_refs): Use push_to_full_sequence where possible. 2001-01-05 Michael Meissner * flags.h (flag_reorder_blocks): Add declaration. (flag_rename_block): Ditto. 2001-01-05 DJ Delorie * function.c (reorder_blocks): Make sure the flags are all reset before using them to mark blocks, else a second invocation will corrupt the block chain. (reorder_blocks_0): New, resets the flags. Fri Jan 5 20:34:06 2001 J"orn Rennecke * cse.c (find_comparison_args): Stop if the argument is known to be constant. 2001-01-05 Alexandre Oliva * config/sh/sh.md (movdf): When splitting load into pair of registers, don't clobber the register used in the address too early. 2001-01-05 Jeffrey Oldham * varasm.c (mark_constant_pool): Improve initial comments. (mark_constants): Move marking of constants to mark_constant. (mark_constant): New function to recursively mark all constants referred to by a constant. 2001-01-05 Catherine Moore * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG. 2001-01-05 Phil Edwards * cp/lang-options.h: Bring comment in line with reality. * f/lang-options.h: Likewise. * java/lang-options.h: Likewise. * objc/lang-options.h: Likewise. * ch/lang-options.h: Likewise. * f/g77.texi: And update the manual. 2001-01-05 Marek Michalkiewicz Denis Chertykov * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype. * config/avr/avr.c (avr_peep2_scratch_safe): New function. * config/avr/avr.md (all peepholes that request a scratch register): Call it, FAIL the peephole if not safe (in interrupt functions). 2001-01-05 Mark Mitchell * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now. 2001-01-05 Joseph S. Myers * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG): Define. * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ, BUILT_IN_CREAL and BUILT_IN_CIMAG. * c-common.c (c_common_nodes_and_builtins): Create builtin conjf, conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl. (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and BUILT_IN_CIMAG. * extend.texi: Document these builtins. 2001-01-05 Daniel Berlin * c-common.c (lang_get_alias_set): Say we know nothing of VECTOR_TYPE aliasing. * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly. 2001-01-05 Bruce Korb * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to their x* equivalent versions for atexit-less systems * fixinc/fixincl.c(main): do not return from main() on atexit-less systems (or any other system any more). 2001-01-05 Richard Earnshaw * arm.md (ldmsi_postinc): Avoid use of match_dup between input and output operands. Use arm_hard_register_operand for operand 4. (stmsi_postinc): Similarly. (ldmsi): Use arm_hard_register_operand for opernand 2. (stmsi): Similarly. * arm.c (arm_hard_register_operand): New function. * arm-protos.h (arm_hard_register_operand): Prototype it. * arm.h (HARD_REGNO_RENAME_OK): Define. Fri Jan 5 16:29:49 MET 2001 Jan Hubicka * simplify-rtx.c (cfc_args): add "unordered" field. (check_fold_consts): Set unordered field. (simplify_relational_operation): Simplify the unordered comparisons. * reg-stack.c (swap_rtx_condition): Ensure that the transformation is valid. * emit-rtl.c (try_split): Fix code to mark labels. * jump.c (mark_jump_label): Make global. * rtl.h (mark_jump_label): Declare. * predict.c (estimate_probability): Handle unordred comparisons. 2001-01-05 Neil Booth * cpp.texi: Update for -MP. Clarify behaviour of -MT. * cppinit.c (initialize_dependency_output): Update. (cpp_finish): Output dummy targets for -MP. (OPT_MP): New. (cpp_handle_option): Handle -MP. Don't quote -MT options. * cpplib.h (struct cpp_options): Add deps_phony_targets. * gcc.c (cpp_options): Update to handle -MP. * mkdeps.c (deps_add_target, deps_add_default_target): Update to quote only the default target. (deps_phony_targets): Insert a preceding newline. Rename from deps_dummy_targets for consistency. * mkdeps.h: Update 2001-01-05 Alexandre Oliva * calls.c (emit_library_call_value_1): Support INIT_CUMULATIVE_LIBCALL_ARGS. * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it. 2001-01-04 Richard Henderson * c-decl.c (finish_struct): Detect flexible array members used in an inappropriate context. * c-typeck.c (really_start_incremental_init): Special case constructor_max_index for zero length arrays. (pop_init_level): Allow initialization of flexible array members. Deprecate initialization of zero length arrays. Don't issue missing initializer warning for flexible array members or zero length arrays. (process_init_element): Don't dereference null DECL_SIZE. * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT. Don't abort for empty constructors. Use size_binop (output_constructor): Add commentary regarding zero length array futures. Abort if we try to initialize an array of unspecified length with a non-empty constructor in the middle of a structure. * extend.texi (Zero Length): Update and clarify documentation on static initialization. 2001-01-05 Michael Hayes * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR with more than 32767 words of local storage. 2001-01-05 Michael Hayes * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support for 'abs', 'labs', and 'fabs'. (c4x_expand_builtin): Likewise. * config/c4x/c4x.h (enum c4x_builtins): Likewise. 2001-01-05 Alexandre Oliva * config/sh/sh.md (prget, prset): New insn types. (return delay slot): Dont' allow prset. (call, sfunc delay slot): Don't allow prget. (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives for prset and prget. 2001-01-05 Michael Hayes * loop.h (struct loop_reg): New. (struct loop_regs): Change to use array of `struct loop_reg'. * loop.c: Replace assortment of varrays with single regs array. (count_one_set): Delete may_not_move array argument and use regs array instead. All caller's changed. (count_loop_regs_set): Delete may_not_move and single_usage arguments and use regs array instead. All caller's changed. (find_single_use_in_loop): Replace usage array argument with pointer to regs structure. All caller's changed. (loop_optimize): Delete `moved_once' array. 2001-01-05 Michael Hayes * loop.c (prescan_loop): Set loop_info->has_nonconst_call. Use it instead of loop_info->has_call for scanning loop mems. (check_dbra_loop): Replace loop_info->has_call test with loop_info->has_nonconst_call. 2000-01-04 Matthew Hiller * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used for TARGET_SH3E. 2001-01-04 Joseph S. Myers * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST, use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND. 2001-01-04 Joseph S. Myers * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define. (flag_short_double, flag_short_wchar): Define. (c_common_nodes_and_builtins): Create many tree nodes shared between C and C++ here instead of in cp/decl.c and ... * c-decl.c (init_decl_processing): ... here. (SIZE_TYPE, WCHAR_TYPE): Don't define. (flag_short_double, flag_short_wchar): Don't define. (record_builtin_type): New function. (build_void_list_node): New function. * c-common.h (flag_short_double, flag_short_wchar, record_builtin_type, build_void_list_node): Declare. Thu Jan 4 21:09:47 2001 J"orn Rennecke * integrate.c (expand_inline_function): Don't put a virtual register into the reg map. * function.c (fixup_var_refs_1): If force_operand didn't put the address into the target, move it there. 2001-01-04 Mark Mitchell Special-case tree_decl/tree_list allocations. * ggc-page.c (OBJECT_PER_PAGE): Reimplement. (OBJECT_SIZE): New macro. (NUM_EXTRA_ORDER): Likewise. (extra_order_size_table): New variable. (NUM_ORDERS): New macro. (objects_per_page_table): New variable. (object_size_table): New variable. (G.pages): Use NUM_ORDERS to bound the array. (G.page_tails): Likewise. (DIV_ROUND_UP): Remove. (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP. (alloc_page): Use OBJECT_SIZE. (size_lookup): Don't make it const. (ggc_alloc): Use OBJECT_SIZE. (ggc_set_mark): Likewise. (ggc_get_size): Likewise. (init_ggc): Set up the object_size_table, objects_per_page_table, and adjust size_lookup. (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP. (ggc_pop_context): Use NUM_ORDERS. (clear_marks): Likewise. (sweep_pages): Likewise. (poison_pages): Likewise. (ggc_print_statistics): Use OBJECT_SIZE. Thu Jan 4 15:54:05 2001 Richard Kenner * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes. Only call array_size_for_constructor if last field and array type with no upper bound. 2001-01-04 Philip Blundell * config/arm/arm.c (arm_gen_constant): Prefer to emit constants from bit 31 downwards, if this requires no more insns. (count_insns_for_constant): New helper function for above. 2001-01-04 Alexandre Oliva * gencodes.c (output_predicate_decls): Remove empty initializer. 2001-01-04 Mark Mitchell * tree.c (copy_node): Remove documentation about obstacks. (buidl1): Check that nobody tries to build 2-argument nodes this way. 2001-01-04 Kaveh R. Ghazi * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and fp_high_losum_p. * gencodes.c (output_predicate_decls): Fill empty initializer braces. 2001-01-04 Jakub Jelinek * tradcpp.c (deps_file, print_deps_missing_files): New variables. (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M or -MM. (do_include): Handle missing headers like cpp0. * cppfiles.c (_cpp_execute_include): Don't prefix absolute header paths with first include pathname. Don't strcat to uninitialized string. 2001-01-04 Bernd Schmidt * regrename.c (regrename_optimize): Don't rename from frame pointer if frame_pointer_needed. (do_replace): Don't set ORIGINAL_REGNO to a hard register number. * config/ia64/ia64.c (emit_all_group_insn_barriers): New function. (ia64_reorg): Use it instead of scheduling if ! optimize. (errata_emit_nops): Properly call asm_noperands. (ia64_sched_reorder): Finish cycle if we see an asm. (ia64_variable_issue): Clear scheduling state after asms. 2001-01-04 Neil Booth * cpp.texi: Update for -MT. * cppinit.c (initialize_dependency_output): Add a default target if none has been given already. (no_tgt, OPT_MT): New. (cpp_handle_option): Handle -MT. Update -M etc. * cpplib.h (struct cpp_options): Remove deps_target. * gcc.c (cpp_options): Handle -MT. * mkdeps.c (struct deps): Move from mkdeps.h. (deps_calc_target): Rename deps_add_default_target. Add a default target if none has been specified already. * mkdeps.h (struct deps): Move to mkdeps.c. (deps_calc_target): Rename deps_add_default_target. 2000-01-03 Richard Henderson * c-decl.c (grokdeclarator): Give zero-length arrays size zero. Remove dead code. * c-typeck.c (push_init_level): Move checks for flexible array members and zero length arrays ... (pop_init_level): ... here. Silently discard empty initializations. Remove dead code. * varasm.c (output_constructor): Update for sizeof change to zero-length arrays. * extend.texi (Zero Length): Clarify semantics. 2001-01-03 Alexandre Oliva * configure.in (tm.h): Include isns-codes.h last. * configure: Rebuilt. 2001-01-03 Richard Henderson * config/alpha/alpha.md (addvsi3, addvdi3): New. (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New. 2001-01-03 Franz Sirl * tradcpp.c (main): Make sure finclude() is called with a valid indepth value while handling -include. 2001-01-03 Alexandre Oliva * gencodes.c (output_predicate_decls): New function. (main): Call it. * machmode.h (GET_MODE_MASK): Arrange for it to be defined even if it is not the first time machmode.h is #included. * config/sh/sh.c (fpul_operand): Declare MODE argument. * tm.texi (PREDICATE_CODES): Document predicate declarations. * gcc.texi (Copyright): Added 2001. 2001-01-03 Joseph S. Myers * c-common.c (c_common_lang_init): New function. Warn if format warning options which only have effects when used with -Wformat are used without -Wformat. * c-common.h (c_common_lang_init): Declare. * c-lang.c (lang_init): Call c_common_lang_init. * objc/objc-act.c (lang_init): Call c_common_lang_init. 2001-01-03 Joseph S. Myers * configure.in: Check for the mktemp command. * configure: Regenerate. * gccbug.in: Use a separate temporary file $TEMP0 for one use of $TEMP. Create temporary files with mktemp, if available at configure time; otherwise use set -C. Remove temporary files before exit. 2001-01-03 Joseph S. Myers * configure.in: Require at least texinfo 4.0. Check for whether Pod::Man is sufficiently recent to regenerate GCC manpages. * configure: Regenerate. * Makefile.in (TEXI2POD): Call perl explicitly rather than relying on #!. (GENERATED_MANPAGES): Define. (generated-manpages): New target. Depend on cpp.1 as well as gcov.1. (install-man): Depend on $(GENERATED_MANPAGES) (defined by configure to generated-manpages or empty) rather than on the manpages directly. Remove execute permission from installed gcov.1 as well as cpp.1. * cpp.1, gcov.1: Regenerate. 2001-01-03 Kaveh R. Ghazi * builtins.c (expand_builtin_strncmp): Use host_integerp and tree_low_cst. Allow using cmpstrsi in more cases. Wed Jan 3 10:48:43 2001 Richard Kenner * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable sized types. Wed Jan 3 12:22:32 2001 Alexandre Oliva * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'. * Makefile.in (HOST_CFLAGS): Mention build-make. Wed Jan 3 08:53:50 2001 Richard Kenner * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore as JUMP_INSN. 2001-01-01 Bernd Schmidt * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on a REG rtx. * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All callers changed. * alias.c (throughout): Use ORIGINAL_REGNO when accessing reg_base_value and reg_known_value arrays. (init_alias_analysis): Add more cases to detect known values. * sched-deps.c (deps_may_trap_p): New function. (sched_analyze_2): Use it. 2001-01-03 Alexandre Oliva * combine.c (simplify_shift_const): Even if we're sign-extracting, don't discard an ASHIFTRT if we're shifting in a wider mode. 2000-01-02 John David Anglin * toplev.c (rest_of_compilation): Don't print basic block information when CFG isn't up to date. 2001-01-02 Mark Elbrecht * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define. (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define. (UNALIGNED_SHORT_ASM_OP): Define. (CPP_PREDEFINES): Remove defines for GO32 and DJGPP. 2001-01-02 Mark Mitchell * fold-const.c (fold_convert): Fix typo. 2001-01-02 Richard Henderson * c-common.h (ASM_INPUT_P): New. * c-parse.in (asm): Set it when needed. * c-semantics.c (genrtl_asm_stmt): Test it instead of the existance of an operand. Tue Jan 2 20:27:07 MET 2001 Jan Hubicka * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY. (dwarf2out_frame_debug_expr): Likewise. (mem_loc_descriptor): Handle PRE and POST_MODIFY. Tue Jan 2 20:21:31 MET 2001 Jan Hubicka * i386.c (ix86_split_to_parts): Return number of part required; handle TFmodes. (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle TFmodes. (ix86_split_long_move): Use number of part returned by ix86_split_to_parts * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE): New macros. (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double (LONG_DOUBLE_TYPE_SIZE): Change from constant. (MAX_LONG_DOUBLE_TYPE_SIZE): New macro. (INTEL_EXTENDED_IEEE_FORMAT): Likewise. (ALIGN_MODE_128): Add TFmode. (IS_STACK_MODE): Likewise. (HARD_REGNO_NREGS): TFmode needs 3 registers. (HARD_REGNO_OK): Support TFmodes. (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes. * i386.md (scheduler definitions): Use memory operand to determine fst/fld instructions; use mode attribute to determine real mode of the instruction. (*tf): New patterns, expanders and splitters; based on XFmode patterns. * invoke.texi (128bit-long-double, 96bit-long-double): Document. 2001-01-02 Mark Mitchell * tree.def (TRUTH_NOT_EXPR): Improve documentation. Tue Jan 2 10:47:38 2001 Richard Kenner * config/mips/mips.c (function_arg): Don't pass NULL_TREE to host_integerp. 2001-01-02 Jeffrey Oldham * tm.texi (FUNCTION_ARG): Document that @var{type} can be an incomplete type. Tue Jan 2 10:47:38 2001 Richard Kenner * tsystem.h: Define HAVE_DECL_GETOPT. 2001-01-02 Philip Blundell * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber of input operand. 2001-01-02 Richard Henderson * alpha.md (*ze_and_ne): Duplicate insn condition to split. 2001-01-02 Andreas Jaeger * c-decl.c (c_decode_option): Remove support of -Wmissing-noreturn. * toplev.c (documented_lang_options): Remove -Wmissing-noreturn. (W_options): Add -Wmissing-noreturn here. * flow.c: Define lang_missing_noreturn_ok_p. (check_function_return_warnings): Use it. * c-common.h: Declare lang_missing_noreturn_ok_p. * c-lang.c (c_missing_noreturn_ok_p): New function. (lang_init): Set lang_missing_noreturn_ok_p. * invoke.texi (Warning Options): Document this. 2000-12-27 Phil Edwards * extend.texi (C++ Extensions): New node for C++ attributes; describe init_priority and com_interface. * invoke.texi: Remove -finit-priority as it now has zero effect. * install.texi: Fix xref syntax. * md.texi: Likewise. Mon Jan 1 21:28:29 2001 Richard Kenner * config.gcc (sparc64-wrs-vxworks*): New case. * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files. * config/sparc/sparc.c (sparc_override_options): Do support different pointer and architecture size. * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4. (POINTERS_EXTEND_UNSIGNED): Define. (Pmode): Test TARGET_ARCH64, not TARGET_PTR64. (FUNCTION_MODE): Define to be Pmode. * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI. * function.c (expand_function_end): Properly handle DECL_RESULT and copy when ptr_mode != Pmode. * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed. 2001-01-01 Kaveh R. Ghazi * c-common.c (c_common_nodes_and_builtins): Set prototype parameters for __builtin_fputs, __builtin_fputc and __builtin_fwrite. Don't declare plain fputc as a builtin. 2001-01-01 John David Anglin * loop.c (add_label_notes): Increment the label usage count when a note is added to an insn which refers to a CODE_LABEL. * gcse.c (add_label_notes): Likewise. 2001-01-01 Andreas Jaeger * loop.c (scan_loop): Use xmalloc to allocate movables. 2001-01-01 Alexandre Oliva * tm.texi (REGISTER_MOVE_COST): Add a mode argument. * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers. * reload1.c (REGISTER_MOVE_COST): Likewise. * regclass.c (REGISTER_MOVE_COST): Likewise. (move_cost, may_move_in_cost, may_move_out_cost): Add mode dimension. Adjust all users. (init_reg_sets_1): Iterate on all modes. * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust. * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust. * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust. * config/arc/arc.h (REGISTER_MOVE_COST): Adjust. * config/arm/arm.h (REGISTER_MOVE_COST): Adjust. * config/avr/avr.h (REGISTER_MOVE_COST): Adjust. * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust. * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust. * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust. * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust. * config/i386/i386.h (REGISTER_MOVE_COST): Adjust. * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust. * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust. * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust. * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust. * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust. * config/mips/mips.h (REGISTER_MOVE_COST): Adjust. * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust. * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust. * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust. * config/pa/pa.h (REGISTER_MOVE_COST): Adjust. * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust. * config/pj/pj.h (REGISTER_MOVE_COST): Adjust. * config/romp/romp.h (REGISTER_MOVE_COST): Adjust. * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust. * config/sh/sh.h (REGISTER_MOVE_COST): Adjust. * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust. 2001-01-01 Bernd Schmidt * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of arg VARIES_P. Call it with extra arg. (true_dependence): Likewise. * rtl.h (rtx_addr_can_trap_p): Declare. (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update prototypes. * rtlanal.c (rtx_addr_can_trap_p): No longer static. (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow pic offset table register if it's zero. All callers changed. (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed. Mon Jan 1 07:38:33 2001 Richard Kenner * explow.c (convert_memory_address, case SYMBOL_REF): Copy STRING_POOL_ADDRESS_P. * config/sparc/sparc.c (input_operand): Properly test for short op. * config.gcc (sparc-*-elf): Include sparc/sol2.h. (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h. (sparclite-*-elf*, sparc86x-*-elf*): Likewise. * config/sparc/elf.h: No longer include sol2.h. * config/sparc/lifeelf.h: No longer include sparc/elf.h. * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise. * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64. 2001-01-01 Michael Hayes * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds. (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise. (record_initial): Likewise. * unroll.c (copy_loop_body, loop_iterations): Likewise. (remap_split_bivs): Likewise. 2001-01-01 Michael Hayes * loop.c (loop_ivs_free): New function. (strength_reduce): Break out from... 2001-01-01 Michael Hayes * loop.h (struct iv): New. (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'. (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info', 'reg_biv_class' fields with 'regs' and 'n_regs'. (struct ivs): Rename 'loop_iv_list' field to 'list'. * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array. * unroll.c (loop_iterations): Check array bounds with ivs->n_regs. 2000-12-31 Alexandre Oliva * resource.c (mark_referenced_resources): Abort() before attempting to mark a pseudo register. (mark_set_resources): Likewise. 2001-01-01 Michael Hayes * loop.h (REG_IV_CLASS): New accessor macro. * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array. * unroll.c (REG_IV_CLASS): Likewise. See ChangeLog.4 for earlier changes.