path: root/gcc/ChangeLog

Thu Aug 27 20:10:46 1998  Jeffrey A Law  (law@cygnus.com)

	* loop.c (scan_loop): Count down from max_reg_num - 1 to
	FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
	of the loop.
	(load_mems_and_recount_loop_regs_set): Likewise.

	* i386.c (print_operand): Remove obsolete 'c' docs.

Wed Aug 26 17:13:37 1998  Tom Tromey  <tromey@cygnus.com>

	* gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
	* frame.c (init_object_mutex): New function.
	(init_object_mutex_once): Likewise.
	(find_fde): Call it.
	(__register_frame_info): Likewise.
	(__register_frame_info_table): Likewise.
	(__deregister_frame_info): Likewise.

Thu Aug 27 15:14:18 1998  Jeffrey A Law  (law@cygnus.com)

	* haifa-sched.c (sched_analyze_insn): Fix thinko in last change.

Thu Aug 27 16:34:51 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* loop.c (check_dbra_loop): Enable code for reversal
	of some loops without a known constant loop end.

Wed Aug 26 18:38:15 1998  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (last_clock_var): New.
        (schedule_block): Initialize it.
        (schedule_insn): Use it to fill insn modes with issue information.

	* alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
	Tag trapb and next insn with TImode.
	(alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
	(alpha_reorg): Add conditional for alpha_handle_trap_shadows.
	Invoke alphaev5_align_insns as appropriate.
	* alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
	(MD_SCHED_VARIABLE_ISSUE): New.
	* alpha.md (attr type): Add multi.
	(define_asm_attributes): New.
	(prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
	(arg_home): Likewise.
	(fnop, unop, realign): New.

Wed Aug 26 15:55:41 1998  Jim Wilson  <wilson@cygnus.com>

	* iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
	* iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.

	* configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
	(rs6000-ibm-aix4.[12]*): Likewise.
	* configure: Regnerate.

Wed Aug 26 09:30:59 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
	already contains the return address.

Wed Aug 26 12:57:09 1998  Jeffrey A Law  (law@cygnus.com)

	* calls.c (expand_call): Use bitfield instructions to extract/deposit
	word sized hunks when loading unaligned args into registers.

	* haifa-sched.c (sched_analyze_insn): Only create scheduling
	barriers for LOOP, EH and SETJMP notes on the loop_notes list.

	* mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.

Wed Aug 26 16:35:37 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* loop.c (check_dbra_loop): Add some code that would allow reversal
	of some loops without a known constant loop end if it were enabled.

Wed Aug 26 11:08:44 1998  Gavin Romig-Koch  <gavin@cygnus.com>

	* mips.md (lshrsi3_internal2+2): Fix type-o.

Wed Aug 26 10:53:03 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* system.h: Include stdarg.h/varargs.h, make sure they are ordered
 	correctly with regards to stdio.h.
	
	* calls.c: Remove stdarg.h/varargs.h.
	* cccp.c: Likewise.
	* cexp.y: Likewise.
	* combine.c: Likewise.
	* cpperror.c: Likewise.
	* cpplib.c: Likewise.
	* cpplib.h: Likewise.
	* doprint.c: Likewise.
	* emit-rtl.c: Likewise.
	* final.c: Likewise.
	* fix-header.c: Likewise.
	* gcc.c: Likewise.
	* genattr.c: Likewise.
	* genattrtab.c: Likewise.
	* gencodes.c: Likewise.
	* genconfig.c: Likewise.
	* genemit.c: Likewise.
	* genextract.c: Likewise.
	* genflags.c: Likewise.
	* genopinit.c: Likewise.
	* genoutput.c: Likewise.
	* genpeep.c: Likewise.
	* genrecog.c: Likewise.
	* mips-tfile.c: Likewise.
	* prefix.c: Likewise.
	* protoize.c: Likewise.
	* regmove.c: Likewise.
	* toplev.c: Likewise.
	* tree.c: Likewise.

Wed Aug 26 05:09:27 1998  Jakub Jelinek  <jj@sunsite.ms.mff.cuni.cz>

	* config/sparc/sparc.c (sparc_override_options): If not
	TARGET_FPU, turn off TARGET_VIS.
	* config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
	(LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
	* config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
	(movdi_insn_sp64): Add VIS fzero alternative.
	(clear_sf, clear_df): New VIS patterns.
	(movsf, movdf expanders): Allow fp_zero_operand flat out when
	TARGET_VIS.
	(one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
	
Tue Aug 25 10:57:41 1998  Mark Mitchell  <mark@markmitchell.com>

	* loop.c (n_times_set, n_times_used, may_not_optimize,
	reg_single_usage): Convert to varrays.  All uses changed.
	(insert_loop_mem): Return a value.
	(scan_loop): Tweak AVOID_CC_MODE_COPIES code.
	(load_mems_and_recount_loop_regs_set): Likewise.  Grow the arrays, if
	necessary.

Tue Aug 25 23:57:12 1998  Jeffrey A Law  (law@cygnus.com)

	* From Alexandre:
	* configure.in: Do not set thread_file to "irix" since no such
	support exists yet.

	* sparc.md (float abs/neg splits): Check reload_completed before
	calling alter_subreg.

Tue Aug 25 19:17:59 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
	function.
	* config/sparc/sparc.h: Declare it.
	* config/sparc/sparc.md (float abs/neg splits): Use it.
	(all other splits): Handle SUBREGs properly where necessary.
	(unnamed (1<<x)-1 V8PLUS pattern): Disable for now.

Tue Aug 25 19:48:46 1998  Jeffrey A Law  (law@cygnus.com)

	* reorg.c (fill_simple_delay_slots): Do not abort if we encounter
	an insn on the unfilled_slots_list that has no delay slots.
	(fill_eager_delay_slots): Similarly.

Tue Aug 25 13:35:20 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
	as an ordinary operand.

Tue Aug 25 12:54:57 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* tree.c (valid_machine_attribute): Don't apply attributes to both
	decl and type.

Tue Aug 25 12:23:20 PDT 1998  Richard Henderson  <rth@cygnus.com>

        * reload.c (operands_match_p): Handle rtvecs.

        * i386.c (legitimate_pic_address_disp_p): New.
        (legitimate_address_p): Use it.
        (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
        Handle constant pool symbols just like statics.
        (emit_pic_move): Use Pmode not SImode for clarity.
        (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
        [UNSPEC]: New, handling what we killed above.
        [PLUS]: Detect and abort on invalid symbol arithmetic.
        * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.

Tue Aug 25 12:02:23 1998  Mark Mitchell  <mark@markmitchell.com>

	* alias.c: Include output.h.
	(DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
	different if we're in a varargs function.
	* Makefile.in (alias.o): Depend on output.h
	
Tue Aug 25 19:20:12 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.h (GIV_SORT_CRITERION): Delete.

Tue Aug 25 13:19:46 1998  Dave Brolley  <brolley@cygnus.com>

	* regclass.c (regclass): Use xmalloc/free instead of alloca.
	* stupid.c (stupid_life_analysis): Ditto.
	* reload1.c (reload): Ditto.

Tue Aug 25 05:48:18 1998  Jakub Jelinek  <jj@sunsite.ms.mff.cuni.cz>

	* config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
	arith_double_4096_operand, arith_double_add_operand): New
	predicates.
	* config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
	* config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
	them to transform add/sub 4096 into add/sub -4096.

Mon Aug 24 23:31:03 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* loop.c (scan_loop): Allocate some slop to handle pseudos
	generated by move_movables.
	(load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
	here too.

Mon Aug 24 19:45:40 1998  Jim Wilson  <wilson@cygnus.com>

	* tree.def (DECL_RESULT): Correct documentation.

Tue Aug 25 01:15:27 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* reload1.c (reload_reg_free_before_p): New argument EQUIV;  Changed
	all callers.  Abort for RELOAD_FOR_INSN.  RELOAD_FOR_OUTADDR_ADDR:
	conflicts will all RELOAD_FOR_OUTPUT reloads.

	* reload1.c (reload_cse_regs_1): When deleting a no-op move that
	loads the function result, substitute with a USE.

Mon Aug 24 15:20:19 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
	when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
	(LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
	* rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
	(print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
	* rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
	operand. 
	(movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
	'o' to 'm' for GPR variant constraints.

Mon Aug 24 10:25:46 1998  Jeffrey A Law  (law@cygnus.com)

        * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.

	* h8300.h (STRIP_NAME_ENCODING): Fix typo.

	* sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
	when the source and destination overlap.

	* stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
	clash with global type.

Mon Aug 24 00:53:53 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* fixinc.irix: Add curses.h handling from fixinc.wrap.

	* c-common.c (combine_strings): Also set TREE_READONLY.
	Change warn_write_strings to flag_const_strings.
	* c-decl.c, c-tree.h: Likewise.

Sun Aug 23 18:39:11 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
	CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
	sequence, use SET/IOR instead so CSE can see it.
	* config/sparc/sparc.md (movhi_const64_special,
	movsi_const64_special): New patterns necessitated by that change.
	(movhi_high): Remove.
	(movhi_lo_sum): Change to match an IOR.
	(movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
	(movdf_insn_v9only): New pattern for when V9 but not ARCH64.
	(movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
	(movdf splits): Allow when not V9 or when not ARCH64 and integer
	registers are involved.
	(snesi_zero_extend split): Remove reload_completed test.
	(unnamed plus and minus zero_extend sidi splits): Add it.

Sun Aug 23 11:56:08 1998  Mark Mitchell  <mark@markmitchell.com>

	* extend.texi: Remove description of extension to explicit
	instantiation that is now endorsed by standard C++.

Sun Aug 23 09:39:09 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/arc/arc.c (arc_initialize_pic): Remove.
	* config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
	nothing on any platform and is invoked by no-one, it does not even
	appear in the documentation.
	* config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
	* config/sparc/sparc.c (initialize_pic): Likewise.
	(find_addr_reg): Remove this as well, no longer referenced after
	my rewrite.

Sun Aug 23 00:17:14 1998  Jeffrey A Law  (law@cygnus.com)

	* recog.c (validate_replace_rtx_group): New function.
	* recog.h (validate_replace_rtx_group): Declare it.
	* regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
	the entire group of substitutions.

Sat Aug 22 23:31:00 1998  Klaus-Georg Adams  (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)

	* loop.c (load_mems): Fix initializers.

Fri Aug 21 23:07:46 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (TFmode splits): Handle destination
	registers being referenced in the address correctly.

	* expmed.c (make_tree) [CONST_INT]: Sign extend even if
	TREE_UNSIGNED, when bitsize of type's mode is larger than
	HOST_BITS_PER_WIDE_INT.

Fri Aug 21 19:31:31 1998  Alexandre Petit-Bianco <apbianco@cygnus.com>

	* tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
  	* tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
 	EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
 	macros.
	* expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
 	EXIT_BLOCK_EXPR.

Thu Aug 20 19:43:44 1998  Jeffrey A Law  (law@cygnus.com)

	* h8300.c (h8300_encode_label): Use '&' for tiny data items.
	* h8300.h (TINY_DATA_NAME_P): Likewise.
	(STRIP_NAME_ENCODING): Handle '&'.

	* mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
	register (it could be accessed via an outer SUBREG).
	(REG_OK_FOR_BASE_P): Likewwise.
	(GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.

	* remove.c (optimize_reg_copy_3): Abort instead of silently generating
	bogus rtl.

	* jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.

Thu Aug 20 17:35:20 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (movtf_insn_sp32): All memory operands
	must be offsettable so the splits can be made.

Thu Aug 20 13:56:53 1998  Michael Meissner  <meissner@cygnus.com>

	* config/i386/winnt.c: Include system.h, not stdio.h to get
	sys/param.h pulled in before rtl.h in case the system defines MIN
	and MAX.

Thu Aug 20 13:44:20 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.

Thu Aug 20 13:15:11 1998  Dave Brolley  <brolley@cygnus.com>

	* stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
	arrays of bits.
	* cpplib.c (cpp_define): Handle macros with parameters.

Wed Aug 19 21:33:19 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
	(output_toc): Use single TOC slot or llong minimal-toc for DFmode
	and DImode 64-bit.  Use llong for minimal-toc SFmode and
	SYMBOL_REF / LABEL_REF 64-bit.
	(output_function_profiler): Use llong for profiler label and ld to
	load 64-bit label address.

Wed Aug 19 17:52:27 1998  Nick Clifton  (nickc@cygnus.com)

        * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
        OFFSET addressing.

Wed Aug 19 14:13:31 PDT 1998 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Wed Aug 19 13:10:30 PDT 1998 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Wed Aug 19 13:06:47 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* collect2.c (extract_init_priority): Use atoi instead of strtoul.

Wed Aug 19 13:51:35 1998  Hans-Peter Nilsson  <hp@axis.se>

	* tm.texi (Misc): Fix typo "teh".

	* tm.texi (PIC): Fix typo "PPIC".

	* tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
	effect when -O2 and higher.
	* invoke.texi (Optimize Options): Likewise for -fcaller-saves.

1998-08-19  Michael Hayes  <michaelh@ongaonga.chch.cri.nz>

	* regclass.c: Changed register set documentation to be consistent
	with GCC behaviour.

	* final.c (final_start_function) Removed redundant test for
	call_fixed_regs.

Wed Aug 19 13:28:41 1998  Mark Mitchell  <mark@markmitchell.com>

	* rtl.h (rtx_function): New type.
	(for_each_rtx): New function.
	* rtlanal.c (for_each_rtx): Define it.
	
	* recog.c (change_t): New type.
	(change_objects, change_old_codes, change_locs, change_olds):
	Replace with ...
	(changes): New variable.
	(validate_change): Dynamically allocate room for more changes, if
	necessary.  Uses changes array instead of change_objects, etc.
	(apply_change_group):  Use changes array instead of
	change_objects, etc.
	
	* loop.c (loop_mem_info): New type.
	(loop_mems): New variable.
	(loop_mems_idx): Likewise.
	(looop_mems_allocated): Likewise.
	(scan_loop): Remove nregs parameter.
	(next_insn_in_loop): New function.
	(load_mems_and_recount_loop_regs_set): Likewise.
	(load_mems): Likewise.
	(insert_loop_mem): Likewise.
	(replace_loop_mem): Likewise.
	(replace_label): Likewise.
	(INSN_IN_RANGE_P): New macro.
	(loop_optimize): Don't pass max_reg_num() to scan_loop.
	(scan_loop): Remove nregs parameter, compute it after any new
	registers are created by load_mems.  Use INSN_IN_RANGE_P and
	next_insn_in_loop rather than expanding them inline.  Call
	load_mems to load memory into pseudos, if appropriate.
	(prescan_loop): Figure out whether or not there are jumps from the
	loop to targets other than the label immediately following the
	loop.  Call insert_loop_mem to notice all the MEMs used in the
	loop, if it could be safe to pull MEMs into REGs for the duration
	of the loop.
	(strength_reduce): Use next_insn_in_loop.  Tweak comments.

Wed Aug 19 08:29:44 1998  Richard Earnshaw (rearnsha@arm.com)

	* arm.c (arm_override_options): Remove lie about ignoring PIC flag.

Wed Aug 19 07:08:15 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (finalize_pic): Check for the correct
	nonlocal_goto_receiver UNSPEC number.
	* config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
	making note of this dependency existing in sparc.c
	(negtf2_notv9 split): Give NEG SFmode.
	(negsf2): Fix insn output string.
	
Tue Aug 18 12:40:27 1998  Richard Henderson  <rth@cygnus.com>

	* c-common.c (decl_attributes): Issue an error if the argument
	to alias is not a string.

Tue Aug 18 10:33:30 1998  Jeffrey A Law  (law@cygnus.com)

	* haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
	pending memory flush list.

	* combine.c (can_combine_p): Allow combining insns with REG_RETVAL
	notes.
	(try_combine): Allow combining insns with REG_LIBCALL notes.

	* expr.c (emit_block_move): Do not call memcpy as a libcall
	instead build up a CALL_EXPR and call it like any other
	function.
	(clear_storage): Similarly for memset.

	* regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
	on notes.

	* Makefile.in (cplus-dem.o): Provide explicit rules for building
	cplus-dem.o

	* regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
	and REG_LIVE_LENGTH as successful substitutions are made.

Tue Aug 18 07:15:27 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* config/sparc/sparc.c (ultra_find_type): Add empty semicolon
	statement after end of loop label.

Tue Aug 18 07:13:27 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (ultra_types_avail): New variable.
	(ultra_build_types_avail): New function to record mask of insn
	types in ready list at this cycle.
	(ultrasparc_sched_reorder): Call it.
	(ultra_find_type): Use it to quicken the search.  Also simplif
	dependency check, don't use rtx_equal_p because we know exactly
	what we are looking for.

Tue Aug 18 03:20:53 1998  Richard Earnshaw  (rearnsha@arm.com)

	* arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
	for architecture v4.

Mon Aug 17 21:26:38 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
	gen_compare_reg.
	(movsf_const_intreg, movsf_const_high, movsf_const_lo,
	movdf_const_intreg and helper splits): New patterns to move float
	constants into integer registers.
	(negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
	splits.

Mon Aug 17 11:46:19 1998  Jeffrey A Law  (law@cygnus.com)

	* From Graham
	* tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
	to itype.
	* c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.

	* rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
	a BASE_REGS register is needed as an intermediate when copying
	a symbolic value into any register class other than BASE_REGS.

	* expr.c (move_by_pieces): No longer static.  Remove prototype.
	* rtl.h (move_by_pieces): Add extern prototype.
	* mips.c (expand_block_move): Handle aligned straight line copy by
	calling move_by_pieces.

	* expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
	and VAR_DECLs.

Mon Aug 17 10:28:52 1998  Mark Mitchell  <mark@markmitchell.com>

	* stmt.c (expand_end_loop): Tidy.  Allow unconditional
	jumps out of the loop to be treated as part of the exit test.

Mon Aug 17 10:06:11 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
			  Jeff Law <law@cygnus.com>

	* Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
	* cplus-dem.c: Delete.

	* Makefile.in (fold-const.o): depend on $(RTL_H).

	* fold-const.c: Include rtl.h to get the prototype for
 	`set_identifier_local_value'.

	* loop.c (express_from_1): Remove unused variable `tmp'.
	(combine_givs): cast the first argument of bzero to char *.

	* toplev.c (display_help): Remove unused variable `looking_for_start'.

	* c-decl.c (init_decl_processing): Remove unneeded &.

	* alpha.h (alpha_initialize_trampoline): Provide prototype.
	
	* except.c (set_exception_lang_code, set_exception_version_code):
	Change parameter from `short' to `int' to avoid using a gcc
	extension.

	* except.h (set_exception_lang_code, set_exception_version_code):
	Likewise for prototypes.

	* flow.c (count_reg_references): Remove unused variables `regno'
	and `i'.

	* gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.

	* prefix.c (translate_name): Cast the result of `alloca'.

	* varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.

Mon Aug 17 09:23:42 1998  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
	Include "toplev.h".
	(valid_dbcc_comparison_p): Mark mode argument as unused.
	(symbolic_operand): Likewise.
	(legitimize_pic_address): Likewise.
	(const_uint32_operand): Likewise.
	(const_sint32_operand): Likewise.
	* sched.c [!INSN_SCHEDULING]: Define only dummy function
	schedule_insns and comment out rest of file.

	* m68k.c (output_move_simode_const): Use subl to move a zero into an
	address register.
	(output_move_[hq]imode): Likewise.

Mon Aug 17 09:15:47 1998  Jeffrey A Law  (law@cygnus.com)

	* toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
	* invoke.texi: Corresponding changes.

Mon Aug 17 02:03:55 1998  Richard Henderson  <rth@cygnus.com>

	* regclass.c (allocate_reg_info): Respect MIN when clearing data.

Sun Aug 16 17:37:06 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (ultra_code_from_mask,
	ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
	ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
	ultrasparc_sched_init, ultrasparc_variable_issue,
	ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
	functions to describe UltraSPARC pipeline exactly to Haifa.
	(ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
	as there is nothing the scheduler can do about it.  Indicate that
	REG_DEP_OUTPUT's collide.  Fixup formatting.
	* config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
	divide costs on Ultra for DImode.
	(MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
	Define.
	* config/sparc/sparc.md (ieu_unnamed function unit): Rename to
	ieuN and add call_no_delay_slot to type list.
	(cti function unit): New unit for branches on UltraSPARC.
	(subx/addx insns): Set type to misc.
	(sidi zero/sign extension insns on arch64): Set type to shift.
	(sign_extendhidi2_insn): Set type to sload.

Sun Aug 16 13:52:00 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
	(output_epilog): Use if != 0 for offset.
	(rs6000_fatal_bad_address): Prepare for Intl.
	* rs6000.h (rs6000_fatal_bad_address): Declare.
	* rs6000.md (movsfcc, movdfcc): Use else if.
	(elf_high): Use {liu|lis}.
	(elf_low): Use {cal|la}.  Remove %a template from old mnemonics.
	(movsi): Use rs6000_fatal_bad_address.
	
Sun Aug 16 01:53:21 1998  Richard Henderson  <rth@cygnus.com>

	* reload.c (find_equiv_reg): Reject equivalences separated
	by a volatile instruction.

Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> 

        * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.

Sat Aug 15 20:51:35 1998  Richard Henderson  <rth@cygnus.com>

	* alpha.md (movsicc): Fix mode mismatch.

Sat Aug 15 20:22:33 1998  H.J. Lu  (hjl@gnu.org)

	* config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
	return type.
	* config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.

Sat Aug 15 08:39:49 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
	write-only modifier from operand 1 constraint.

Sat Aug 15 06:28:19 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
	emitting a XOR of -1 at the end, emit a NOT instead for combine's
	sake.
	(sparc_emit_set_const64): Likewise, also when computing trailing
	bits do not negate low_bits and make fast_int an int.

Fri Aug 14 21:07:03 1998  Jeffrey A Law  (law@cygnus.com)

	* loop.c (add_label_notes): Do not ignore references to labels
	before dispatch tables.  Mirrors Apr 8 change to mark_jump_label.
	* gcse.c (add_label_notes): Similarly.

	* pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.

	* m68k.md (adddi_dilshr32): One of the operands must be a register.
	(adddi_dishl32): Similarly.

Fri Aug 14 14:12:59 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
	* alias.c (memrefs_conflict_p): Add braces to shut up warnings.
	* cse.c (cse_basic_block): Add parens to shut up warnings.

Fri Aug 14 12:58:21 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (sparc_emit_set_const64_quick2,
	sparc_emit_set_const64_longway, const64_is_2insns,
	create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
	in 64-bit constant formation.
	* config/sparc/sparc.md (snesi_zero_extend split): Generate
	rtl for addx not subx.
	(define_insn movdi_const64_special): Make available even when
	HOST_BITS_PER_WIDE_INT is not 64.
	(movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
	(losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
	(cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
	instances of operand 1 inside a QI subreg.
	(xordi3_sp64_dbl): Remove '%' constraint for op1.
	(one_cmpldi2_sp64): Fix output string.
	(one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
	alternative case.
	(unnamed arch64 ashift DI): Truncate shift count if greater than
	63, not 31.

Fri Aug 14 21:52:53 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* expr.c (store_expr): Don't optimize away load-store pair
	when either source or destination have a side effect.

Fri Aug 14 16:50:10 1998  John Carr  <jfc@mit.edu>

	* genrecog.c (add_to_sequence): Fatal error if the modes of the
	operands of SET are incompatible.

	* alpha.md: Fix max and min patterns so modes of SET operands match.

Fri Aug 14 12:22:55 1998  Ian Lance Taylor  <ian@cygnus.com>

	* configure.in: Avoid [[ by using test and changequote.
	* configure: Rebuild.

Fri Aug 14 01:22:31 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* rtl.def (CONSTANT_P_RTX): Fix typo in string name.

	* config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
	seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
	split, snedi_zero_trunc and split, seqsi_zero_extend and split,
	seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
	movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
	split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
	Fix mismatching modes in SET operands.
	(conditional move patterns): Fix formatting.
	(unnamed subx arch64 pattern): Remove duplicate insn.
	
Fri Aug 14 00:34:34 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (const64_operand, const64_high_operand):
	Get it right when HOST_BITS_PER_WIDE_INT is not 64.
	(input_operand): Fixup test for what we accept for constant
	integers.
	(sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
	set VOIDmode.
	(safe_constDI): Remove.
	(sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
	gen_safe_XOR64): New functions.
	(sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
	sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
	them.
	* config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
	available when HOST_BITS_PER_WIDE_INT is not 64.
	(define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
	move before movdi_insn_sp64 pattern.
	(define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
	(define_insn sethi_di_medlow, seth44, setm44, sethh): Use
	symbolic_operand as predicate for second operand.
	(DImode minus split on arch32, negsi2 expander, one_cmplsi2
	expander): Give set VOIDmode.
	
Fri Aug 14 01:45:06 1998  Mumit Khan  <khan@xraylith.wisc.edu>

	* i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.

Fri Aug 14 01:40:21 1998  Geoffrey Keating  <geoffk@ozemail.com.au>

	* rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.

Fri Aug 14 01:23:23 1998  Richard Earnshaw (rearnsha@arm.com)

	* arm/netbsd.h (TARGET_DEFAULT): Default includes software floating 
	point.
	(CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.

Fri Aug 14 01:19:08 1998  Robert Lipe  <robertl@dgii.com>

	* install.texi: Various SCO OpenServer tweaks.

Thu Aug 13 20:14:40 1998  Jim Wilson  <wilson@cygnus.com>

	* reload1.c (eliminate_regs_in_insn): Handle another case when
	eliminating the frame pointer to the hard frame pointer.  Add
	missing	ep->to_rtx check to one existing case.

	* mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.

Thu Aug 13 17:08:11 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* tree.h: De-conditionalize init_priority code.

	* mips.h (NM_FLAGS): Change from -Bp to -Bn.
	* collect2.c (NM_FLAGS): Change from -p to -n.

	* configure.in: Turn on collect2 for mipstx39-elf.
	Handle use_collect2=no properly.

	* c-common.c: De-conditionalize init_priority code.
	* collect2.c (extract_init_priority, sort_ids): New fns.
	(main): Call sort_ids.
	Move sequence_number to file scope.

	* configure.in: Handle --enable-init-priority.
	* c-common.c (attrs): Add A_INIT_PRIORITY.
	(init_attributes, decl_attributes): Likewise.
	* tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
	* tree.c (get_file_function_name_long): Split out...
	(get_file_function_name): ...from here.

Thu Aug 13 16:09:53 1998  Martin von Loewis  <loewis@informatik.hu-berlin.de>

	* expr.c (safe_from_p): Change code to ERROR_MARK only when not
	accessing nodes.

Thu Aug 13 15:24:48 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* toplev.c (display_help): Add braces to shut up warnings.
	* tree.c (simple_cst_equal): Likewise.

	* fold-const.c (non_lvalue): Don't deal with null pointer 
	constants here.
	(fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.

	* c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
	of any size to a pointer.

Thu Aug 13 12:53:13 1998  Jim Wilson  <wilson@cygnus.com>

	* i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.

Wed Aug 12 17:25:18 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
	which will be saved.
	* mn10300.md (prologue insn): Only save registers which need saving.
	(epilogue insn): Similarly.

	* mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
	optimizations.

Wed Aug 12 12:39:16 1998  Gavin Romig-Koch  <gavin@cygnus.com>

	* mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
	VAR_DECL's in gp addressable sections.

Tue Aug 11 23:02:31 1998  John Carr  <jfc@mit.edu>

	* sparc.c: Change return <exp> to <exp>; return; in functions
 	returning void.
	* sparc.md: Add empty semicolon statement after final label in
	move expanders.

Tue Aug 11 22:42:01 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (define_insn addx_extend): Rename to
	addx_extend_sp64, only allow when TARGET_ARCH64.
	(define_insn addx_extend_sp32 and split): Version that works when
	not TARGET_ARCH64.
	(define_insn subx_extend): Likewise.
	(define_split adddi3 and subdi3 with zero extension): Fixup and
	correct bugs when not TARGET_ARCH64.

Tue Aug 11 16:04:34 1998  John Carr  <jfc@mit.edu>

	* except.c (set_exception_lang_code, set_exception_version_code):
	Use prototype-style definition if __STDC__, to match declaration
	in except.h.

	* genemit.c: Change FAIL and DONE macros not to use loops.

Tue Aug 11 12:27:03 1998  Jim Wilson  <wilson@cygnus.com>

	* dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
	ASM_OUTPUT_DWARF2_ADDR_CONST if defined.

	* mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.

Tue Aug 11 18:12:53 1998  Dave Love  <d.love@dl.ac.uk>

	* README.g77: Update from Craig.

Tue Aug 11 04:46:01 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
	type HOST_WIDE_INT.
	(safe_constDI sparc_emit_set_const64_quick1,
	sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
	analyze_64bit_constant, const64_is_2insns,
	create_simple_focus_bits): Fix some bugs when compiled on real
	64-bit hosts.
	(function_arg_record_value_3, function_arg_record_value_2,
	function_arg_record_value): Add fully prototyped forward decls.
	* config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
	to cmpsi_insn and use on both 64 and 32 bit targets.
	(define_insn cmpsi_insn_sp64): Remove.
	(define_expand zero_extendsidi2): Allow for 32-bit target too.
	(define_insn zero_extendsidi2_insn): Rename to
	zero_extendsidi2_insn_sp64.
	(define_insn zero_extendsidi2_insn_sp32): New pattern and
	assosciated forced split for it.

	* config/sparc/sparc.c (const64_operand, const64_high_operand):
	New predicates.
	* config/sparc/sparc.h: Declare them.
	(PREDICATE_CODES): Add them.
	* config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
	movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.

Mon Aug 10 22:57:24 1998  John Carr  <jfc@mit.edu>

	* config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
	in v9 case as the latter makes the Solaris assembler crash.

Mon Aug 10 22:39:09 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
	for TFmode when !v9.  We require offsettable memory addresses.
	* config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
	DFmode register number conversions.
	* config/sparc/sparc.md (define_split DFmode moves): If register
	is a SUBREG do alter_subreg on it before using.
	(define_expand movtf): Fixup comment about alignment on v9.
	(define_split TFmode moves): Don't use gen_{high,low}part, create
	explicit SUBREGs instead.

Mon Aug 10 19:02:55 1998  John Carr  <jfc@mit.edu>

	* Makefile.in (mbchar.o): Depend on mbchar.c.

Mon Aug 10 04:28:13 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>
			  Richard Henderson  <rth@cygnus.com>
	
	Rewrite Sparc backend for better code generation and
	improved sparc64 support.
	* config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
	zero.
	* config/sparc/sysv4.h: Likewise.
	* config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
	move_operand, v8plus_regcmp_op, emit_move_sequence,
	singlemove_string, doublemove_string, mem_aligned_8,
	output_move_double, output_move_quad, output_fp_move_double,
	move_quad_direction, output_fp_move_quad, output_scc_insn):
	Remove.
	(small_int_or_double): New predicate.
	(gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
	(legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
	old pic_{sethi,lo_sum}_si patterns.
	(mem_min_alignment): New generic function to replace
	mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
	available and can test for arbitrary alignments.  All callers
	changed.
	(save_regs, restore_regs, build_big_number,
	output_function_prologue, output_cbranch, output_return,
	sparc_flat_save_restore, sparc_flat_output_function_prologue,
	sparc_flat_output_function_epilogue): Prettify
	insn output.
	(output_function_epilogue): Likewise and add code to output
	deferred case vectors.
	(output_v9branch): Likewise, add new arg INSN and use it to tack
	on branch prediction settings.  All callers changed.
	(print_operand): Likewise and output %l44 for LO_SUMs when
	TARGET_CM_MEDMID.
	(sparc_splitdi_legitimate): New function to make sure DImode
	splits can be run properly when !arch64.
	(sparc_initialize_trampoline, sparc64_initialize_trampoline):
	Reformat example code in comments.
	(set_extends): Remove UNSPEC/v8plus_clear_high case.
	(sparc_addr_diff_list, sparc_addr_list): New statics to keep track
	of deferred case vectors we need to output.
	(sparc_defer_case_vector): Record a case vector.
	(sparc_output_addr_vec, sparc_output_addr_diff_vec,
	sparc_output_deferred_case_vectors): New functions to output them.
	(sparc_emit_set_const32): New function to form 32-bit constants in
	registers when that requires more than one instruction.
	(safe_constDI, sparc_emit_set_const64_quick1,
	sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
	analyze_64bit_constant, const64_is_2insns,
	create_simple_focus_bits, sparc_emit_set_const64): New functions
	which do the same for 64-bit constants when arch64.
	(sparc_emit_set_symbolic_const64): New function to emit address
	loading for all code models on v9.
	* config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
	%g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
	(ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
	(SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
	inaccuracies in comments, add symbolic and text_segment operands
	when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively.  Use
	GENERAL_REGS in these cases as a temp REG is needed to load these
	addresses into a register properly.
	(EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
	is no longer used.
	(GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
	quads are guarenteed to have 16-byte alignment.
	(LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
	copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
	(ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
	deferred case vector implementation.
	(ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
	(ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
	Generate "internal label - label" instead of "label - 1b".
	(PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
	(PREDICATE_CODES): Remove sparc_operand, move_operand,
	v8plus_regcmp_op.  Add small_int_or_double, input_operand, and
	zero_operand.
	(doublemove_string, output_block_move, output_fp_move_double,
	output_fp_move_quad, output_move_double, output_move_quad,
	output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
	sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
	(sparc_emit_set_const32, sparc_emit_set_const64,
	sparc_emit_set_symbolic_const64, input_operand, zero_operand,
	mem_min_alignment, small_int_or_double): Add externs.
	* config/sparc/sparc.md: Document the many uses of UNSPEC and
	UNSPEC_VOLATILE in this backend.
	(define_function_unit ieu): Rename to ieu_unnamed.  Add move and
	unary to types which execute in it.
	(define_function_unit ieu_shift): Rename to ieu0.
	(define_function_unit ieu1): New, executes compare, call, and
	uncond_branch type insns.
	(define_function_units for type fdivs, fdivd, fsqrt): These
	execute in the fpu multiply unit not the adder on UltraSparc.
	(define_expand cmpdi): Disallow TARGET_V8PLUS.
	(define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
	(define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
	allows the arith_double_operand predicate and rHI constraint when
	TARGET_ARCH64.
	(define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
	cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
	neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
	sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
	sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
	movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
	movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
	movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
	movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
	cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
	sign_extendqihi2_insn, sign_extendqisi2_insn,
	sign_extendqidi2_insn, sign_extendhidi2_insn,
	extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
	trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
	floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
	fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
	adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
	subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
	muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
	const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
	smulsi3_highpart_v8plus, unnamed subreg mult,
	const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
	const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
	const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
	const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
	const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
	udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
	andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
	or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
	xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
	cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
	cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
	cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
	cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
	cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
	cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
	addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
	muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
	negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
	ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
	cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
	ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
	lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
	call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
	call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
	call_address_untyped_struct_value_sp32,
	call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
	call_value_symbolic_sp32, call_value_address_sp64,
	call_value_symbolic_sp64, branch_sp32, branch_sp64,
	flush_register_windows, goto_handler_and_restore,
	goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
	flush, all ldd/std peepholes, return_qi, return_hi, return_si,
	return_addsi, return_di, return_adddi, return_sf, all call+jump
	peepholes, trap, unnamed trap insns): Prettify output strings.
	(define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
	or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
	Likewise and force + implement splits for integer cases.
	(define_insn return_sf_no_fpu): Likewise and allow to match when
	no-fpu because of our subreg SFmode splits.
	(define_insn zero_extendqihi2, zero_extendqisi2_insn,
	zero_extendqidi2_insn, zero_extendhidi2_insn,
	zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
	input_operand for second operand.
	(cmp_minus_cc, cmp_minus_cc_set): Likewise and use
	reg_or_0_operand for operand 2 so new splits can use it.
	(cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
	cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
	too.
	(cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
	CONST_DOUBLEs for operand 2.
	(define_insn move_label_di): Likewise and label distance
	optimization because it no longer works with new deferred case
	vector scheme.  To be revisited.
	(define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
	and allow reg_or_0_operand and J constraint for second operand.
	(define_insn jump): Set branch predict taken on V9.
	(define_insn tablejump): Emit LABEL_REF + PLUS memory address for
	new deferred case vector scheme.
	(define_insn pic_tablejump_32, pic_tablejump_64): Remove.
	(define_insn negdi2_sp32): Force + implement splits.
	(define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
	one_cmplsi2_not_liveg0 respectively, and create	expander of original
	names which emit special rtl for TARGET_LIVE_G0.
	(define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
	(define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
	gen_compare_reg, FAIL instead.
	(define_insn sgtu, sleu): Likewise and check gen_s*() return
	values when trying to reverse condition codes, if they FAIL then
	do likewise.
	(define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
	snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
	neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
	seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
	x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
	set output string to # to indicate they are mandatory splits.
	(define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
	pic_sethi_di, move_pic_label_si): Remove.
	(define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
	movsi_high_pic, movsi_pic_label_reg): New patterns to take their
	place.
	(define_expand movsi_pic_label_ref, define_insn
	movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
	expander and insns to handle PIC label references and deferred
	case vectors.
	(define_insn get_pc_via_rdpc): Comment out as it is no longer
	used.
	(define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
	Rewrite to not use emit_move_sequence, make use of new constant
	formation code, and new splits for all multi-insn cases.
	(define_insn movqi_insn): Remove sethi case, it can never happen.
	Use reg_or_zero_operand instead of const0_rtx explicit test,
	use input_operand instead of move_operand for source, and use
	general_operand now for dest.
	(define_insn movhi_insn): Similar but leave sethi case.
	(define_insn lo_sum_qi, store_qi, store_hi): Remove.
	(define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
	movhi_lo_sum respectively, prettify output string.
	(define_insn movsi_zero_liveg0): New pattern to put zero into a
	register when needed on TARGET_LIVE_G0.
	(define_insn movsi_insn): Use general_operand and input_operand
	for dest and src respectively.  Simplify applicability test.
	Prettify output strings, and add clr alternative for J
	constraint.
	(define_insn movdi_sp32_v9, movdi_sp32, define_splits for
	deprecated std and reg-reg DI moves): Remove and...
	(define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
	implementation which uses forced splits for all non-single insn
	cases.
	(define_split DI move cases on !arch64): New splits to handle all
	situations of 64-bit double register DImode on 32bit, and
	unaligned registers and memory addresses for all subtargets.
	(define_insn movsf_const_insn, movdf_const_insn, store_sf):
	Remove.
	(define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
	input_operand for dest and src respectively, prettify output
	strings.
	(define_insn movdf_insn, movdf_no_e_insn, store_df,
	movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
	and...
	(define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
	movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
	movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
	movtf_no_e_insn_sp64) Replace with new
	implementation which uses forced splits for all non-single insn
	cases.
	(define_split DF move cases): New splits in similar vein to DI
	move counterparts.
	(define_insn sethi_di_medlow, sethi_di_medium_pic,
	sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
	movdi_sp64_insn): Remove old v9 code model and constant loading
	support insns and..
	(define_insn pic_lo_sum_di, pic_sethi_di,
	sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
	seth44, setm44, setl44, sethh, setlm, sethm, setlo,
	embmedany_sethi, embmedany_losum, embmedany_brsum,
	embmedany_textuhi, embmedany_texthi, embmedany_textulo,
	embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
	movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
	scheme, using unspecs, secondary reloads, and one to one sparc
	insn to rtl insn mapping for better scheduling and code gen.
	(define_expand reload_indi, reload_outdi): Reload helpers for
	MEDANY and EMBMEDANY symbol address loading cases which require a
	temporary register.
	(define_expand movsicc): Remove v8plus_regcmp cases.
	(define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
	cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
	cmp_diqi_trunc_set): New patterns used by some of the new scc
	splits on arch64.
	(define_insn xordi3_sp64_dbl): New pattern used for constant
	formation when crossing from 32-bit targets.
	(define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
	split): Remove.
	(define_insn addx, subx): Make visible and prettify.
	(define_insn adddi3_insn_sp32): Likewise and force split.
	(define_insn addx_extend, subx_extend, unnamed): New patterns for
	64bit scc split usage.
	(define_insn unnamed plusDI zero_extend, unnamed minusDI
	zero_extend, subdi3): Force and implement splits.
	
	* final.c (final_scan_insn): Don't output labels if target
	specifies ASM_OUTPUT_ADDR_{DIFF}_VEC.  Do these macro operations
	instead.
	
	* reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
	don't forget to walk inside SEQUENCESs too as these are what the
	delay slot scheduler will create.
	
Mon Aug 10 01:21:01 1998  Richard Henderson  <rth@cygnus.com>

	* alpha.md (extxl+1,+2): New patterns to work around
	combine lossage.

Sat Aug  8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)

	* rs6000.c (rs6000_allocate_stack_space) Fix typo which
	caused bad assembly code to be generated.

Sat Aug  8 18:53:28 1998  Jeffrey A Law  (law@cygnus.com)

	* netbsd.h: Fix typo.

Mon Aug  3 00:06:42 1998  Robert Lipe  <robertl@dgii.com> 

	* config.sub: Fix typo.

Sun Aug  2 22:39:08 1998  Hans-Peter Nilsson  <hp@axis.se>

	* invoke.texi (Environment Variables): Typo: Change "ascpects"
	into "aspects".
	(Running Protoize): Typo: Change "ther" into "other".

Sun Aug  2 00:42:50 1998  Jeffrey A Law  (law@cygnus.com)

	* i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
	* m68k/netbsd.h: Likewise.
	* ns32k/netbsd.h: Likewise.
	* sparc/netbsd.h: Likewise.

Sat Aug  1 17:59:30 1998  Richard Henderson  <rth@cygnus.com>

        * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
        * ginclude/va-clipper.h (va_list): Likewise.

Fri Jul 31 20:22:02 1998  Michael Meissner  <meissner@cygnus.com>

	* rs6000.c (rs6000_override_options): If big endian and -Os, use
	load/store multiple instructions unless user overrides.

Fri Jul 31 17:08:59 1998  Jeffrey A Law  (law@cygnus.com)

	* ns32k/netbsd.h: Fix typo.

Fri Jul 31 10:23:55 1998  Doug Evans  <devans@canuck.cygnus.com>

	* m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
	labels with .debugsym if no parallel insns.

Thu Jul 30 19:15:53 1998  Richard Henderson  <rth@cygnus.com>

	* alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
	(fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.

Thu Jul 30 19:50:15 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
	(AR_FOR_TARGET): Define.

Thu Jul 30 12:29:12 1998  Mark Mitchell  <mark@markmitchell.com>

	* dyn-string.h: New file.
	* dyn-string.c: Likewise.
	* Makefile.in (OBJS): Add dyn-string.o.
	(dwarf2out.o): Add dyn-string.h dependency.
	(dyn-string.o): List dependencies.
	* dwarf2out.c: Include dyn-string.h.
	(ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
	(addr_const_to_string): Take a dyn_string_t, not a char* as a
	prototype.  Use dyn_string_append rather than strcat, throughout.
	(addr_to_string): Use dyn_string_t.

Thu Jul 30 13:08:07 1998  Ken Raeburn  <raeburn@cygnus.com>

	Function entry/exit profiling instrumentation:
	* expr.h (profile_function_entry_libfunc,
	profile_function_exit_libfunc): Declare new variables.
	* optabs.c: Define them here.
	(init_optabs): Initialize them.
	* tree.h (struct tree_decl): New flag
	no_instrument_function_entry_exit.
	(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
	* c-decl.c (duplicate_decls): Merge it.
	* c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
	(init_attributes): Use it for "no_instrument_function".
	(decl_attributes): Handle it, for functions that have not yet been
	compiled.  Set decl flag.
	* flags.h (flag_instrument_function_entry_exit): Declare new
	variable.
	* toplev.c (flag_instrument_function_entry_exit): Define it here.
	(f_options): New option "instrument-functions".
	* function.h (struct function): New field instrument_entry_exit.
	* function.c (current_function_instrument_entry_exit): New
	variable.
	(push_function_context_to, pop_function_context_from): Save and
	restore.
	(expand_function_start): Set current_ variable, maybe emit return
	label and entry profile call.
	(expand_function_end): Maybe emit exit profile call.

Thu Jul 30 00:58:34 1998  Jeffrey A Law  (law@cygnus.com)

	* i386.md (movqi): When optimizing a load of (const_int 1) into a
	NON_QI_REG_P, pretend the register is SImode.

Wed Jul 29 23:49:23 1998  Todd Vierling <tv@netbsd.org>

	* configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
	Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
	manufacturer id for ns32k.
	* configure: Regenerated.
	* config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
	* config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
	* config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
	* config/m68k/netbsd.h: Same.
	* config/ns32k/netbsd.h: Same.
	* config/sparc/netbsd.h: Same.

Wed Jul 29 22:39:21 1998  Jeffrey A Law  (law@cygnus.com)

	* unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
	or UNROLL_COMPLETELY loop that starts with a jump to its
	exit code.

Wed Jul 29 22:18:14 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
	* rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
	(print_operand, case 'B'): Don't fall through.
	(print_operand, case 'S'): Correct mask begin/end computation.
	Use HOST_BITS_PER_WIDE_INT.
	* rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
	(CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
	* rs6000/aix41.h (CPP_PREDEFINES): Same.
	* rs6000/aix43.h (CPP_PREDEFINES): Same.

Wed Jul 29 11:47:10 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
	constraint from second alternative.

Tue Jul 28 23:29:04 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* configure.in: Fix --without/--disable cases for local-prefix, 
	gxx-include-dir and checking.

Tue Jul 28 22:01:23 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* configure.in (enable_haifa): Set by default for sparc64 too.
	configure: Rebuilt.

Tue Jul 28 23:29:04 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
	* i386/winnt.c (associated_type): New fn.
	(i386_pe_valid_type_attribute_p): New fn.
	(i386_pe_check_vtable_importexport): Remove.
	(i386_pe_dllexport_p): Use associated_type.
	(i386_pe_dllimport_p): Likewise.

	From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
	* i386.c (i386_valid_type_attribute_p): Also accept
	attributes for METHOD_TYPEs.

Tue Jul 28 23:17:39 1998  Peter Gerwinski <peter@gerwinski.de>

	* tree.c (build_range_type): Copy TYPE_SIZE_UNIT.

Tue Jul 28 22:31:12 1998  Craig Burley  <burley@gnu.org>

	* gcc.c: Fix commentary describing %g, %u, %U, and %O.

	* gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
	them from generating a new base name for each occurence of
	a specific suffix.

1998-07-28  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* cse.c (cse_insn): Enable subsitution inside libcall only for REG,
	SUBREG, MEM.
	* rtlanal.c (replace_rtx): Prohibit replaces in	CONST_DOUBLE. 



	* cplus-dem.c (type_kind_t): New type.
	(demangle_template_value_parm): Add type_kind_t parameter.  Rely
	on this paramter, rather than demangling the type again.
	(demangle_integral_value): Pass tk_integral.
	(demangle_template_: Pass the value returned from do_type.
	(do_type): Return a type_kind_t.  Pass tk_integral to
	demangle_template_value_parm for array bounds.
	(demangle_fund_type): Likewise.
	
Mon Jul 27 00:54:41 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
	identical.

Mon Jul 27 22:18:36 1998  Jeffrey A Law  (law@cygnus.com)

	* pa.c (move_operand): Accept CONSTANT_P_RTX.

Mon Jul 27 17:18:52 1998  Dave Brolley  <brolley@cygnus.com>

	* stor-layout.c (layout_type): Handle arrays of bits, for Chill.

	* expr.c (get_inner_reference): Handle zero-based, unsigned, array
	index conversion.

Mon Jul 27 14:51:33 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
	(DEBUGGER_ARG_OFFSET): Likewise.

	* mn10300.md (movsf): Remove last change.  Not needed.

Mon Jul 27 14:22:36 1998  Dave Brolley  <brolley@cygnus.com>

	* c-lex.c (yylex): Fix boundary conditions in character literal and
	string literal loops.

Mon Jul 27 11:43:54 1998  Stan Cox  <scox@cygnus.com>

	* longlong.h (count_leading_zeros): Sparclite scan instruction was
	being invoked incorrectly.

	* i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
	* i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE): 
	Add -pg support. 
	* i386/win32.h: New file.  Hybrid mingw32.h/cygwin32.h configuration.
	* configure.in: Added i[34567]86-*-win32
	* config.sub: Ditto.
	* configure: Rebuilt.
	
Sun Jul 26 01:11:12 1998  H.J. Lu  (hjl@gnu.org)

	* i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
	the frame pointer and compiling PIC code and reload has not completed.

	* i386.c (output_to_reg): Add code to emulate non-popping DImode
	case.

Sun Jul 26 01:01:32 1998  Jeffrey A Law  (law@cygnus.com)

	* regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.

Sat Jul 25 23:29:23 1998  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* Makefile.in (install-info): Only try to update the info
	directory file if it exists in the first place.

Fri Jul 24 18:58:37 1998  Klaus Espenlaub  <kespenla@student.informatik.uni-ulm.de>

	* rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.

Fri Jul 24 14:20:26 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
	CONST_DOUBLE source.

Fri Jul 24 11:17:04 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
	strings as the insertion of USER_LABEL_PREFIX.
	* config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
	valid code.
	* config/arm/thumb.md: Use %_ as a prefix to gcc library function
	calls. 

Thu Jul 23 18:53:20 1998  Jim Wilson  <wilson@cygnus.com>

	* dbxout.c (dbxout_range_type): Only call dbxout_type_index for
	already defined type.

Thu Jul 23 13:49:41 1998  Jeffrey A Law  (law@cygnus.com)

	* expr.c (check_max_integer_computation_mode): Allow conversions
	of constant integers to MAX_INTEGER_COMPUTATION_MODE.
	(expand_expr): Likewise.

Thu Jul 23 11:12:06 1998  Alexandre Petit-Bianco  <apbianco@cygnus.com>

	* expr.c (expand_expr): Expand RETURN_EXPR.

Thu Jul 23 11:00:29 1998  Jim Wilson  <wilson@cygnus.com>

	* dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.

Wed Jul 22 19:10:00 1998  Catherine Moore  <clm@cygnus.com>

        * dwarf2out.c (output_aranges):  Call stripattributes
        for TEXT_SECTION references.
        (output_line_info): Likewise.

Wed Jul 22 14:08:54 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* profile.c (branch_prob): Call allocate_reg_info after outputting
	profile rtl in instrument_arcs.

Wed Jul 22 12:47:49 1998  Jim Wilson  <wilson@cygnus.com>

	* fixinc.irix (math.h): Install wrapper instead of copying.

Wed Jul 22 12:37:14 1998  Alexandre Petit-Bianco <apbianco@cygnus.com>

	* tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
 	so WFL are expanded correctly when contained in a COMPOUND_EXPR.
	* tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
 	lang_flag_0. Added documentation in the flag table.

Tue Jul 21 23:28:35 1998  Klaus Kaempf <kkaempf@rmi.de>

	* cccp.c (do_include): Fix vax c style include handling.

Tue Jul 21 13:28:19 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.

Sun Jul 12 01:27:05 1998  Jason Merrill  <jason@yorick.cygnus.com>

	* fold-const.c (non_lvalue): Don't deal with null pointer 
	constants here.
	(fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.

Tue Jul 21 15:49:31 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
	* rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
	* rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
	(u_short_cint_operand): Same.
	(reg_or_cint_operand): Same.
	(logical_operand): Same.
	(input_operand): Same.
	(reg_or_short_operand): Use u_short_cint_operand.

Tue Jul 21 08:56:42 1998  Richard Henderson  <rth@cygnus.com>

	* alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
	but keep the insns and splits.  Adjust so when the ultimate destination
	is memory, use cvtql.

Tue Jul 21 08:55:09 1998  Richard Henderson  <rth@cygnus.com>

	* flow.c (regno_uninitialized): Fixed regs are never uninitialized.

Tue Jul 21 00:31:01 1998  Jeffrey A Law  (law@cygnus.com)

	* gcc.c (do_spec): Call "error" not "warning".

	* configure.in: Fix minor problems with gas feature detection code.
	* configure: Rebuilt.

	* gcc.c (do_spec): Issue a warning for '%[]' usage.

	* Undo this change.
	* gcc.c: Delete %[spec] support.
	(do_spec_1, case '('): Likewise.
	(do_spec_1, case '['): Call error.

Mon Jul 20 22:34:17 1998  Richard Henderson  <rth@cygnus.com>

	* alpha.h (CPP_SPEC): Tidy.  Hook to cpp_cpu and cpp_subtarget.
	(CPP_SUBTARGET_SPEC): Default to empty string.
	(CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
	(EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
	* alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
	* alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
	(LIB_SPEC): Tidy.
	* alpha/linux.h (CPP_PREDEFINES): Tidy.
	* alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
	* alpha/netbsd.h (CPP_PREDEFINES): Tidy.
	* alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
	* alpha/win-nt.h (CPP_PREDEFINES): Likewise.
	* alpha/vsf.h (CPP_PREDEFINES): Likewise.
	(CPP_SUBTARGET_SPEC): New.  Do this instead of overriding CPP_SPEC.
	* alpha/vxworks.h: Likewise.

Mon Jul 20 22:51:57 1998  Ken Raeburn  <raeburn@cygnus.com>

	* mips.md (reload_outsi): Added missing REGNO call.
	(smulsi3_highpart, umulsi3_highpart): Provide prototype for
	function pointer.
	(mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
	another match_operator and compare the codes.

	* mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.

	* MIPS multiply pattern fixes:
	* mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
	Add union classes for HI, LO, or HILO plus general registers.
	(GENERATE_MADD): Deleted.
	* mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
	Add TARGET_MAD to condition.
	(mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
	(mul_acc_si): Expand GENERATE_MADD here; it's the only use.  Use
	"*d" for accumulator, to give preference to LO initially but not
	during reload.

Mon Jul 20 16:16:38 1998  Dave Brolley  <brolley@cygnus.com>

	* configure.in (enable_c_mbchar): New configure option.
	(extra_cpp_objs): Always available now.

	* cexp.y (mbchar.h): #include it.
	(yylex): Handle Multibyte characters in character literals.

	* cccp.c (mbchar.h): #include it.
	(main): Set character set based on LANG environment variable.
	(rescan): Handle multibyte characters in comments.
	(skip_if_group): See above.
	(validate_else): See above.
	(skip_to_end_of_comment): See above.
	(macarg1): See above.
	(discard_comments): See above.
	(rescan): Handle multibyte characters in string and character literals.
	(collect_expansion): See above.
	(skip_quoted_string): See above.
	(macroexpand): See above.
	(macarg1): See above.
	(discard_comments): See above.
	(change_newlines): See above.

	* c-lex.c (mbchar.h): #include it.
	(GET_ENVIRONMENT): New macro.
	(init_lex): Set character set based on LANG environment variable.
	(yylex): Handle multibyte characters in character literals.
	(yylex): Handle multibyte characters in string literals.

	* Makefile.in (mbchar.o): New target.
	(cccp$(exeext)): @extra_cpp_objs@ is always available.
	(cppmain$(exeext)): @extra_cpp_objs@ is always available.

	* mbchar.[ch]: New files for multibyte character handling.

Mon Jul 20 01:11:11 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* jump.c (jump_optimize): When simplifying noop moves and
	PUSH_ROUNDING, fix thinko so we use same criterion for identifying
	the PUSHes to rewrite in second loop as we did in the first.

Sun Jul 19 08:23:53 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cplus-dem.c (demangle_nested_args): Make function definition
	static to match the prototype.

Fri Jul 17 14:58:44 1998  Richard Henderson  <rth@cygnus.com>

	* alloca.c: Respect USE_C_ALLOCA.
	* gencheck.c (xmalloc): Ignore __GNUC__ for definition.
	* gengenrtl.c (xmalloc): Likewise.

Fri Jul 17 14:18:14 1998  Richard Henderson  <rth@cygnus.com>

	* loop.h (struct induction): Add no_const_addval.
	* loop.c (the_movables, reg_address_cost): New variables.
	(init_loop): Init reg_address_cost.
	(loop_optimize): Call end_alias_analysis.
	(scan_loop): Init the_movables.
	(record_giv): Init induction->no_const_addval.
	(basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
	[REG]: Rearrange loop search test to catch more cases.
	(general_induction_var): Return success not benefit; take an extra
	argument for that.  Change all callers.
	(simplify_giv_expr) [PLUS]: Always combine invariants.  Use sge_plus.
	[MULT]: Use rtx_equal_p instead of ==.  Combine simple invariants.
	[default]: Search the_movables for additional combinations.
	(sge_plus_constant, sge_plus): New functions.
	(express_from_1): New function.
	(express_from): Always define.  Rewrite using express_from_1.
	(combine_givs_p): Handle more cases.  Ignore address cost.
	(cmp_combine_givs_stats): New function.
	(combine_givs_used_once, combine_givs_benefit_from): New functions.
	(combine_givs): Rewrite to do best-fit combination.

	* fold-const.c (operand_equal_p): Handle RTL_EXPR.
	(fold): Do a complete (A*C)+(B*C) association check.

Fri Jul 17 11:21:55 1998  Jim Wilson  <wilson@cygnus.com>

	* function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.

Fri Jul 17 11:48:55 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.c (MODES_TIEABLE_P): Fix typo.

Fri Jul 17 03:26:12 1998  Rihcard Earnshaw (rearnsha@arm.com)

	* tree.c (valid_machine_attribute): Only create a new type variant if
	there is a decl to use it.

Thu Jul 16 14:48:04 1998  Nick Clifton  <nickc@cygnus.com>

	* gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
	a suffix.

Fri Jul 17 03:24:40 1998  Hans-Peter Nilsson  <hp@axis.se>

	* extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
	be deleted" 

Thu Jul 16 14:48:47 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.c (count_tst_insns): New arg oreg_countp.  Callers changed.
	Simplify tests for clearing an address register.
	(expand_prologue): Corresponding changes.

	* mn10300.md (movXX patterns): Make sure the destination is an
	ADDRESS_REG when substituting "zero_areg" for (const_int 0).
	(logical patterns): Split into expanders + patterns
	(zero and sign extension patterns): Similarly.
	(shift patterns): Similarly.

Thu Jul 16 01:17:44 1998  Richard Henderson  <rth@cygnus.com>

	* loop.c (emit_iv_add_mult): Scan the entire insn list generated
	for the sequence, recording base values.

Wed Jul 15 10:49:55 1998  Richard Henderson  <rth@cygnus.com>

	* i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).

Tue Jul 14 14:15:30 1998  Nick Clifton  <nickc@cygnus.com>

	* gcc.c: Remove ANSI-C ism from --help code.

	* toplev.c: Support --help with USE_CPPLIB.

Tue Jul 14 14:46:08 1998  Jeffrey A Law  (law@cygnus.com)

	* configure.in: Rework gas feature code to work with symlink based
	source trees.

	* extend.texi: Clarify some issues related to local variables
	assigned to explicit registers.

	* mn10300.md (mulsi): Turn into expander + pattern.

	* mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
	alternative.

Tue Jul 14 07:41:59 1998  Richard Earnshaw (rearnsha@arm.com)

	* arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.

Tue Jul 14 03:02:44 1998  Jeffrey A Law  (law@cygnus.com)

	* version.c: Bump again to distinguish mainline tree from the
	egcs-1.1 branch.

See ChangeLog.0 for earlier changes.

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