1 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
3 * reload1.c (reload): Call free before clobbering the memory
4 locations or constants pointers.
6 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9 for efficiency by checking whether we need to modify the current
10 stack permission at all.
11 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
12 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
13 __enable_execute_stack libcall here too if
14 TRANSFER_FROM_TRAMPOLINE is defined.
15 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
18 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
20 * Makefile.in (DRIVER_DEFINES): Remove last change.
22 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
24 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
25 insns we're going to copy.
26 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
28 * loop.c (count_one_set): Add prototype.
30 * caller-save.c (restore_referenced_regs): Lose mode argument.
31 (insert_save): Lose mode argument.
32 (insert_restore): Lose mode argument.
33 (insert_one_insn): Lose mode argument.
34 (save_call_clobbered_regs): Lose mode argument.
35 (setup_save_areas): Take no argument and return void. All callers
37 Don't verify validity of memory addresses.
38 * reload.h (setup_save_ares): Adjust prototype.
39 (save_call_clobbered_regs): Likewise.
40 * reload1.c (delete_caller_save_insns): New function.
41 (caller_save_spill_class): Delete variable.
42 (caller_save_group_size): Delete variable.
43 (reload): Call setup_save_areas and save_call_clobbered_regs
44 in the main loop, before calling calculate_needs_all_insns.
45 Don't call save_call_clobbered_regs after the loop.
46 Call delete_caller_save_insns at the end of an iteration if
48 Delete code to manage caller_save_spill_class.
49 Emit the final note before setting reload_first_uid.
50 Simplify test that determines whether reload_as_needed gets run.
51 (calculate_needs): Delete code to manage caller_save_spill_class.
53 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
55 * collect2.c (main): Initialize ld_file_name.
57 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
59 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
60 check for flag_function_sections.
62 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * cse.c (insert_regs): Fix bug in Sep 24 change.
66 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
68 * flags.h (flag_dump_unnumbered): Declare.
69 * toplev.c (flag_dump_unnumbered): Don't declare.
70 * print-rtl.c (flags.h): Include.
71 (print_rtl_single): Add return value.
72 * rtl.h (print_rtl_single): Update declaration.
73 * flow.c (flag_dump_unnumbered): Don't declare.
74 (print_rtl_with_bb): Use return value of print_rtl_single.
76 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
78 * loop.c (count_one_set): New static function, broken out of
80 (count_loop_regs_set): Call it.
81 * global.c (mark_reg_store): Handle clobbers here by not calling
83 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
85 * integrate.c (process_reg_param): New function, broken out of
86 expand_inline_function.
87 (expand_inline_function): Call it.
90 * i386.md (addsidi3_1): Delete unused variable temp.
91 (addsidi3_2): Likewise.
92 (clstrstrsi): Delete unused variable addr1.
94 * rtl.h: Don't declare any functions also declared in recog.h.
96 * Makefile.in (stupid.o): Update dependencies.
99 * global.c: Include reload.h
100 (reg_becomes_live): New function.
101 (reg_dies): New function.
102 (build_insn_chain): New function.
103 (global_alloc): Call build_insn_chain before calling reload.
105 * reload.h (struct needs): New structure definition.
106 (struct insn_chain): Likewise.
107 (reload_insn_chain): Declare variable.
108 (new_insn_chain): Declare function.
111 * reload1.c (reload_startobj): New variable.
112 (reload_insn_chain): New variable.
113 (unused_insn_chains): New variable.
114 (new_insn_chain): New function.
115 (init_reload): Initialize reload_startobj, not reload_firstobj.
116 (reload): Initialize reload_firstobj.
117 Before returning, free everything on the reload_obstack.
119 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
120 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
121 current_chain): New variables.
122 (reg_where_born): Delete variable.
123 (REG_WHERE_BORN): New macro.
124 (find_clobbered_regs): New function.
125 (stupid_life_analysis): Don't allocate/free reg_where_born.
126 Allocate and free reg_where_born_exact, reg_where_born_clobber,
127 reg_where_dead_chain.
128 Use REG_WHERE_BORN instead of reg_where_born.
129 While processing the insns, build the reload_insn_chain with
130 information about register lifetimes.
131 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
132 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
134 Compute and information about birth and death of pseudo registers in
135 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
136 Delete code to set elements of reg_where_born.
138 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
140 * tree.def (GOTO_EXPR): Modified documentation.
141 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
144 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
146 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
147 loop_final_value, loop_comparison_code): No longer static.
148 (unroll_loop): Delete loop_start_value update.
149 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
150 loop_final_value, loop_comparison_code): Extern.
151 (loop_start_value): Delete extern.
152 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
153 loop_comparison_value, loop_comparison_code): Delete.
154 (loop_optimize): Remove initialization for deleted variables.
155 (strength_reduce): Delete analyze_loop_iterations call. Only call
156 insert_bct if flag_branch_count_on_reg set.
157 (analyze_loop_iterations): Delete.
158 (insert_bct): Remove iteration count calculation. Move checks for
159 viable BCT optimization to here. Obtain iteration count from
160 loop_iterations and correct for unrolling. Check for enough
161 iteration to be beneficial. Comment out runtime iteration count
163 (insert_bct): Print iteration count in dump file. Remove
164 loop_var_mode and use word_mode directly.
166 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
167 * rs6000.c (rs6000_override_options): Use it.
168 (optimization_options): Enable use of flag_branch_on_count_reg.
169 * rs6000.md (define_function_unit): Describe 604e.
171 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
173 * loop.c (move_movables): Corrected threshold calculation for
174 moved_once registers.
176 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
178 * loop.c (combine_givs_p): Fix test for identical givs.
180 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
182 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
183 call abort if the function is already defined.
185 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
187 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
188 truncation is not a no-op.
190 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
192 * version.c: Bump for snapshot.
194 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
196 * version.c: Bump for snapshot.
198 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
200 * expmed.c (expand_divmod): Don't widen for computing remainder
201 if we seem to have a divmod pattern for needed mode.
203 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
205 * cpplib.c (macroexpand): Correct off-by-one error in handling
208 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
210 * combine.c (expand_field_assignment): Don't do bitwise operations
211 on MODE_FLOAT; pun to MODE_INT if possible.
213 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
214 scott snyder <snyder@d0sgif.fnal.gov>
216 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
217 linker. Recognize mangled names in quotes.
219 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
221 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
222 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
223 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
224 (lshrsi3_extend, lshrsi3_extend2): Ditto.
226 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
228 * function.c (purge_addressof_1): If trying to take a sub-word
229 integral piece of a floating point mode, put it on the stack.
231 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
233 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
235 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
237 * PROJECTS: Remove template friends.
239 * collect2.c (sort_ids): Remove unused variable.
241 * tm.texi (MATH_LIBRARY): Document.
242 (NEED_MATH_LIBRARY): Remove.
244 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
245 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
247 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
249 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
250 last_end to 0x7fffffff.
252 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
254 * function.c (purge_addressof_1): Do not perform endianness
255 corrections on bitpos, who we call will do it for us.
257 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
259 * h8300.c (WORD_REG_USED): Fix typo.
260 (initial_offset): Use WORD_REG_USED.
262 * h8300.c (handle_pragma): Fix typo.
264 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
266 * caller-save.c (insert_save_restore): Break this function up
267 into new functions insert_restore, insert_save and insert_one_insn.
269 (insert_restore): New function, mostly broken out of
271 (insert_save): Likewise.
272 (insert_one_insn): Likewise.
273 (restore_referenced_regs): New argument BLOCK. All callers changed.
274 (save_call_clobbered_regs): Don't keep track of basic block boundaries
275 in this function, do it in insert_one_insn instead.
277 * reload1.c (reload): Break out some more pieces into separate
279 (dump_needs): New function, broken out of reload.
280 (set_initial_elim_offsets): Likewise.
281 (init_elim_table): Likewise.
282 (update_eliminables): Likewise.
284 * global.c (global_alloc): Delete code to manage the scratch_list.
285 * local-alloc.c (qty_scratch_rtx): Delete.
286 (scratch_block): Delete.
287 (scratch_list): Delete.
288 (scratch_list_length): Delete.
289 (scratch_index): Delete.
290 (alloc_qty_for_scratch): Delete.
291 (local-alloc): Update initialization of max_qty.
292 Delete code to manage the scratch list.
293 Delete code to allocate/initialize qty_scratch_rtx.
294 (block_alloc): Don't allocate quantities for scratches.
295 Delete code to manage the scratch list.
296 * regs.h (scratch_list): Delete declaration.
297 (scratch_block): Delete declaration.
298 (scratch_list_length): Delete declaration.
299 * reload1.c (reload): Delete code to manage the scratch list.
300 (spill_hard_reg): Likewise.
301 (mark_scratch_live): Delete.
303 * recog.c (alter_subreg): Delete declaration.
305 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
307 * Makefile.in (cccp.o): Fix typo in last patch.
309 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
311 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
312 * config/sh/lib1funcs.asm (___set_fpscr): Add.
314 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
316 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
317 NULL_RTX as an argument.
319 * Makefile.in (unlibsubdir): Define.
320 (DRIVER_DEFINES): Use unlibsubdir.
321 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
322 (stmp-fixinc): Similarly.
324 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
326 * regmove.c (regmove_optimize): Add variable old_max_uid.
327 At the end of the function, update basic_block_end.
329 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
331 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
332 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
335 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
337 * config/arm/arm.c: Improve interworking support.
339 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
341 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
342 copied from reload_out[r] .
344 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
346 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
347 with more than three size ranges.
349 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
351 * rtl.c (mode_name): Add a null string at the end of the array.
352 (mode_wider_mode): Change type to unsigned char.
353 (mode_mask_array): New variable.
354 (init_rtl): Update for mode_wider_mode type change.
356 * rtl.h (mode_wider_mode): Change type to unsigned char.
357 (mode_mask_array): Declare.
358 (GET_MODE_MASK): Use mode_mask_array.
360 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
362 * calls.c (expand_call) : Encapsulate code into
363 copy_blkmode_from_reg.
364 * expr.c (copy_blkmode_from_reg): New function.
365 * expr.h (copy_blkmode_from_reg): New function.
366 * integrate.c (function_cannot_inline_p): We can inline
368 (expand_inline_function): Use copy_blkmode_from_reg
369 if needed. Avoid creating BLKmode REGs.
370 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
373 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
375 * config/v850/v850.c: Add function prototypes.
376 Add support for v850 special data areas.
378 * config/v850/v850.h: Add support for v850 special data areas.
380 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
381 HANDLE_PRAGMA_PACK_PUSH_POP.
382 (push_alignment): New function: Cache an alignment requested
383 by a #pragma pack(push,<n>).
384 (pop_alignment): New function: Pop an alignment from the
386 (insert_pack_attributes): New function: Generate __packed__
387 and __aligned__ attributes for new decls whilst a #pragma pack
389 (add_weak): New function: Cache a #pragma weak directive.
390 (handle_pragma_token): Document calling conventions. Add
391 support for #pragma pack(push,<n>) and #pragma pack (pop).
393 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
394 are defined enable HANDLE_PRAGMA_PACK.
395 Move 'struct weak_syms' here (from varasm.c).
396 Add pragma states for push and pop pragmas.
398 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
401 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
402 HANDLE_GENERIC_PRAGMAS.
404 * varasm.c: Move definition of 'struct weak_syms' into
406 (handle_pragma_weak): Deleted.
408 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
410 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
412 * c-decl.c (start_function): Add invocation of
413 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
415 * tm.texi: Remove description of non-existant macro
416 SET_DEFAULT_SECTION_NAME.
418 (HANDLE_SYSV_PRAGMA): Document.
419 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
421 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
423 * config.sub: Recognize i[34567]86-pc-udk as new target.
424 * configure.in: Likewise.
425 * config/i386/t-udk: New file.
426 * config/i386/udk.h: New file.
428 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
430 * reorg.c (check_annul_list_true_false): Remove unused variables.
431 (steal_delay_list_from_target): Add missing "used_annul" variable.
432 (try_merge_delay_insns): Close out half formed comment.
434 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
436 * cpplib.c (macroexpand): If arg->raw_before or
437 arg->raw_after, remove any no-reexpansion escape at the
438 beginning of the pasted token. Correct handling of whitespace
439 markers and no-reexpand markers at the end if arg->raw_after.
441 * toplev.c (documented_lang_options): Recognize -include,
442 -imacros, -iwithprefix, -iwithprefixbefore.
443 * cpplib.c (cpp_start_read): Process -imacros and -include
444 switches at the same time and in command-line order, after
445 initializing the dependency-output code. Emit properly nested
446 #line directives for them. Emit a #line for the main file
447 before processing these switches, and don't do it again
450 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
452 * function.c (purge_addressof_1): Use bitfield manipulation
453 routines to handle mem mode < reg mode.
455 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
457 * reorg.c (try_merge_delay_insns): Account for resources referenced
458 in each instruction in INSN's delay list before trying to eliminate
459 useless instructions. Similarly when looking at a trial insn's delay
462 * reorg.c (check_annul_list_true_false): New function.
463 (steal_delay_list_from_{target,fallthrough}): Call it and also
464 refine tests for when we may annul if already filled a slot.
465 (fill_slots_from_thread): Likewise.
466 (delete_from_delay_slot): Return newly-created thread.
467 (try_merge_delay_isns): Use its new return value.
469 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
471 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
472 used to compute a giv or as some other non-counting use.
474 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
476 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
477 * local-alloc.c (find_free_reg): Use it.
478 * global.c (find_reg): Likewise.
479 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
481 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
482 * caller-save.c (init_caller_save): Use it.
483 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
485 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
487 * configure.in: Add --enable-cpplib option which uses cpplib
488 for cpp, but doesn't link cpplib into cc1. Make help text
489 capitalization consistent.
490 * configure: Rebuilt.
492 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
494 * function.c (gen_mem_addressof): If the address REG is
495 REG_USERVAR_P make the new REG be so also.
496 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
497 in an attempt to clarify slightly.
499 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
501 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
502 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
504 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
506 * toplev.c: Fix last patch.
508 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
510 * loop.c (get_condition): Fix typo in May 9 change.
512 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
514 * invoke.texi (-fexceptions): Merge 2 different descriptions.
516 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
518 * toplev.c (documented_lang_options): Spelling corrections.
520 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
522 * configure.in: new flags --with-ld and --with-as, equivalent
523 to setting LD and AS environment variables. Test whether
524 specified arguments are GNU commands, and report them with
525 checking messages. Use the specified AS for configure
528 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
530 * gcc.c (find_a_file): when looking for `as' and `ld', return
531 the DEFAULT program if it exists
532 * collect2.c (main): use DEFAULT_LINKER if it exists
534 * gcc.c (find_a_file): the test for existence of a full
535 pathname was reversed
537 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
539 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
540 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
542 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
544 * tree.h (TYPE_BINFO): Document.
546 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
548 * i386-coff.h (dbxcoff.h): Added.
550 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
552 * toplev.c: fix bad patch around flag_data_sections.
554 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
556 * reload1.c (reload): Use reload_address_index_reg_class and
557 reload_address_base_reg_class when setting
558 caller_save_spill_class. (Patch generated by Jim Wilson:
561 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
563 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
564 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
565 * expr.c (store_field): Add alias_set parameter. Set the
566 MEM_ALIAS_SET accordingly, if the target is a MEM.
567 (expand_assignment): Use it.
568 (store_constructor_field): Pass 0.
569 (expand_expr): Likewise.
571 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
573 * flags.h: Add flag_data_sections.
574 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
575 (compile_file): Error if flag_data_sections not supported.
576 * varasm.c (assemble_variable): Handle flag_data_sections.
577 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
578 * config/mips/elf.h: Likewise.
579 * config/mips/elf64.h: Likewise.
580 * invoke.texi: Describe -fdata-sections.
582 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
584 * invoke.texi (-ffloat-store): Clarify that this option
585 does not affect intermediate results -- only variables.
587 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
589 * cpp.texi: Update for Fortran usage from Craig.
591 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
593 * rs6000.c (function_arg_boundary): Revert accidental change on
596 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
598 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
599 (output_mi_thunk): Declare.
601 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
602 (output_function_profiler): Use r12 for temp, instead of r11 so
603 that we preserve the static chain register.
605 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
607 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
609 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
611 * sh.c (gen_shl_sext): Fix case 5.
613 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
615 * reload1.c (reload_combine): Re-add line that got accidentally lost.
617 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
620 accessing variables until they are initialized via va_arg().
622 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
624 * reload1.c (reload_combine): Initialize set before using.
626 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
628 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
631 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
633 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
634 operand3 with mask before using it. Patch provided by Jim Wilson.
636 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
638 * config/sparc/sparc.c (function_value): Perform the equivalent of
639 PROMOTE_MODE for ARCH64.
640 (eligible_for_epilogue_delay): Allow DImode operations in delay
641 slot of a return for ARCH64.
643 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
645 * sh.md (sqrtsf2): Fix mode of sqrt.
647 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
649 * reload1.c (choose_reload_regs): Also try inheritance when
650 reload_in is a stack slot of a pseudo, even if we already got a
653 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
655 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
656 (reload_cse_regs): New function body: call reload_cse_regs_1,
657 reload_combine, reload_cse_move2add.
658 When doing expensive_optimizations, call reload_cse_regs_1 a
659 second time after reload_cse_move2add.
660 (reload_combine, reload_combine_note_store): New functions.
661 (reload_combine_note_use): New function.
662 (reload_cse_move2add, move2add_note_store): New functions.
664 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
666 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
667 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
669 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
670 more than 3 such reloads.
672 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
673 RELOAD_FOR_X_ADDR_ADDR reload.
675 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
677 * expr.c (store_constructor): When initializing a field that is smaller
678 than a word, at the start of a word, try to widen it to a full word.
680 * cse.c (cse_insn): When we are about to change a register,
681 remove any invalid references to it.
683 (remove_invalid_subreg_refs): New function.
684 (mention_regs): Special treatment for SUBREGs.
685 (insert_regs): Don't strip SUBREG for call to mention_regs.
686 Check if reg_tick needs to be bumped up before that call.
687 (lookup_as_function): Try to match known word_mode constants when
688 looking for a norrower constant.
689 (canon_hash): Special treatment for SUBREGs.
691 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
693 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
694 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
695 defined, emit libcall to __enable_execute_stack. Also fix opcodes
696 and offsets in actual stack trampoline code so they match the
697 commentary and actually work.
699 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
701 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
703 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
704 tmake_file. Set extra_parts to needed crt objects.
705 * configure: Rebuilt.
706 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
707 (TARGET_DEFAULT): Set if default is v9 or ultra.
708 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
709 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
710 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
711 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
712 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
713 (TARGET_VERSION): Define.
714 (MULTILIB_DEFAULT): Define.
715 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
716 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
717 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
719 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
720 * config/sparc/sparc.c (sparc_override_options): If arch and
721 pointer size disagree, emit diagnostic and fix it up. If
722 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
723 V8PLUS in 64-bit mode.
724 * config/sparc/t-linux64: New file.
725 * config/sparc/t-sol2-64: New file.
726 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
727 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
728 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
729 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
730 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
731 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
733 (STARTFILE_SPEC): Set approriately based upon those.
734 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
735 disposition of DEFAULT_ARCH32_P.
736 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
737 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
738 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
739 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
740 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
742 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
744 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
746 * rtl.h (init_virtual_regs): New function.
747 * emit-rtl.c (init_virtual_regs): Define.
749 * integrate.c (save_for_inline_copying): Likewise.
751 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
753 * config/arm/thumb.h: The following patches were made by Jim Wilson:
754 (enum reg_class): Add NONARG_LO_REGS support.
755 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
756 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
757 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
758 completes. Re-enable HImode REG+OFFSET addresses.
759 (LEGITIMIZE_RELOAD_ADDRESS): Define.
761 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
763 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
765 * alpha.c (get_aligned_mem): Revert Sep 20 change.
766 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
767 (alpha_align_insns): Properly calculate initial offset wrt max_align.
769 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
771 * arm.c (find_barrier): Revert change of Apr 23. Handle table
772 jumps as a single entity, taking into account the size of the
775 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
777 * tree.def (SWITCH_EXPR): New tree node definition.
779 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
781 * version.c: Bump for snapshot.
783 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
785 * version.c: Bump for snapshot.
787 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
789 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
792 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
795 * reload.c (find_reloads): Do not replace a pseudo with
796 (MEM (reg_equiv_addr)) in the initializing insn for the
799 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
801 * final.c (final_scan_insn): Disable tracking CC across branches.
803 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
805 * expr.h (eh_rtime_match_libfunc): New extern declaration.
806 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
807 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
808 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
809 NULL. Only include <stdio.h> if inhibit_libc is not defined.
811 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
813 * toplev.c (rest_of_compilation): Skip compiling anything with
814 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
816 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
818 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
819 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
820 use in_libcall_block.
821 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
822 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
825 Mon Sep 21 14:02:23 1998
827 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
828 typo in no-fancy-math-387 description.
830 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
832 * version.c: Bump for snapshot.
834 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
836 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
838 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
840 * i386.h: (TARGET_SWITCHES) Add description fields for flags
841 documented in install.texi.
842 (TARGET_OPTIONS) Likewise.
844 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
846 * version.c: Bump for snapshot.
848 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
850 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
851 * cccp.c (main): Likewise.
853 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
854 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
857 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
859 * Makefile.in (LIBS): Link in libiberty.a.
860 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
862 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
864 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
865 it to update bb boundaries. Update caller.
866 * function.c (reposition_prologue_and_epilogue_notes): Update
867 bb boundaries wrt the moved note.
869 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
871 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
873 * configure: Regenerate.
875 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
877 * alpha.c (alpha_sr_alias_set): New variable.
878 (override_options): Set it.
879 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
880 (mode_mask_operand): Fix signed-unsigned comparision warning.
881 (alpha_expand_block_move): Likewise.
882 (print_operand): Likewise.
883 (get_aligned_mem): Use change_address.
884 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
885 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
886 (alphaev4_next_nop, alphaev5_next_nop): New functions.
887 (alpha_align_insns): Remade from old alphaev5_align_insns
888 to handle multiple processors.
889 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
890 * output.h (label_to_alignment): Prototype.
892 * tree.c (new_alias_set): New function.
893 * tree.h (new_alias_set): Declare it.
894 * c-common.c (c_get_alias_set): Use it.
896 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
898 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
899 to an ABS expr, convert an unsigned input to signed.
901 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
903 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
905 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
907 * configure.in: Add support for c4x targets.
908 * configure: Rebuilt.
910 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
912 * combine.c (distribute_notes): If an insn is a cc0 user, only
913 delete it if we can also delete the cc0 setter.
915 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
917 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
918 (invert_truthvalue): Enable truthvalue inversion for
919 floating-point operands if -ffast-math.
921 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
923 * configure.in: Disable collect2 for nextstep. Instead use
925 * configure: Rebuilt.
926 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
927 (ENDFILE_SPEC): Define.
928 (OBJECT_FORMAT_MACHO): Define.
929 (EH_FRAME_SECTION_ASM_OP): Define.
930 * crtstuff.c: Handle MACHO.
932 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
934 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
936 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
938 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
939 (_fpadd_parts): Get sign right for 0.
941 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
943 * ginclude/varargs.h: Add support for C4x target.
944 * ginclude/stdargs.h: Likewise.
946 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
948 * alpha.c (alpha_return_addr): SET should be VOIDmode.
949 (alpha_emit_set_long_const): Rewrite to be callable from reload
951 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
952 * alpha.md (movdi): Likewise.
954 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
956 * arm.c (add_constant): New parameter address_only, change caller.
957 Set it non-zero if taking the address of an item in the pool.
958 (arm_reorg): Handle cases where we need the address of an item in
961 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
963 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
964 memory addresses that are not in standard canonical form.
966 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
968 * README.C4X: New file with information about the c4x ports.
969 * ginclude/va-c4x.h: New file for c4x varargs support.
970 * config/c4x: New directory with c4x port files.
972 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
974 * reload.c (find_reloads): Do not replace a pseudo with
975 (MEM (reg_equiv_addr)) in the initializing insn for the
978 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
980 * toplev.c (rest_of_compilation): Set bct_p on second call to
982 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
984 (strength_reduce): Only call analyze_loop_iterations and
985 insert_bct if bct_p set.
986 (check_dbra_loop): Fix typo.
987 (insert_bct): Use word_mode instead of SImode.
988 (instrument_loop_bct): Likewise. Do not delete iteration count
989 condition code generation insn. Initialize iteration count before
991 * rtl.h (loop_optimize): Update prototype.
993 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
994 not doubleword aligned.
996 * rs6000.c (optimization_options): New function.
997 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
998 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
999 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
1000 first; cr1 can be used for FP record condition insns.
1002 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
1004 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
1007 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
1010 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
1012 (block_move_call): New function: Call a library routine to copy a
1014 (m32r_expand_block_move): New function: Expand a "movstrsi"
1015 pattern into a sequence of insns.
1016 (m32r_output_block_move): New function: Expand a
1017 "movstrsi_internal" pattern into a sequence of assembler opcodes.
1018 (m32r_block_immediate_operand): New function: Return true if the
1019 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
1021 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1023 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
1025 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
1027 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1029 * regmove.c (copy_src_to_dest): Check that modes match.
1031 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
1033 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
1035 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
1037 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
1038 narrower than FLOAT_REGS.
1040 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1042 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
1044 * Makefile.in (old_gxx_include_dir): removed
1046 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
1048 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
1051 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
1052 (sh_handle_pragma): Change function arguments to match new
1053 specification for HANDLE_PRAGMA.
1055 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1057 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
1059 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
1060 When generating output, initialize missing struct member to zero.
1062 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1064 * regmove.c (copy_src_to_dest): Don't copy if that requires
1065 (a) new register(s).
1067 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1069 * global.c (reg_allocno): Now static.
1070 * reload1.c (reg_allocno): Delete declaration.
1071 (order_regs_for_reload): Take no arguments. Don't treat regs
1072 allocated by global differently than those allocated by local-alloc.
1074 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1076 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
1077 condition, fix format strings.
1078 (output_function_epilogue): Likewise.
1080 * m68k/m68k.c: Don't include <stdlib.h> directly.
1082 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
1084 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
1085 mem_first_set, mem_last_set; because 0 can be a CUID.
1086 (oprs_unchanged_p): Use new definition.
1087 (record_last_reg_set_info): Likewise.
1088 (record_last_mem_set_info): Likewise.
1089 (compute_hash_table): Likewise.
1091 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
1093 * rs6000.c (output_epilogue): Handle Chill.
1095 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1096 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1098 * combine.c (make_extraction): If no mode is specified for
1099 an operand of insv, extv, or extzv, default it to word_mode.
1100 (simplify_comparison): Similarly.
1101 * expmed.c (store_bit_field): Similarly.
1102 (extract_bit_field): Similarly.
1103 * function.c (fixup_var_regs_1): Similarly.
1104 * recog.c (validate_replace_rtx_1): Similarly.
1105 * mips.md (extv, extzv, insv expanders): Default modes for most
1106 operands. Handle TARGET_64BIT.
1107 (movdi_uld, movdi_usd): New patterns.
1109 * pa.c (emit_move_sequence): Do not replace a pseudo with its
1110 equivalent memory location unless we have been provided a scratch
1111 register. Similarly do not call find_replacement unless a
1112 scratch register has been provided.
1114 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1116 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
1119 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
1121 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
1122 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
1123 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
1124 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
1125 * c-decl.c (init_decl_processing): Update accordingly.
1126 * expr.c (expand_builtin): Likewise.
1128 * rtl.h (global_rtl): Add cfa entry.
1129 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
1130 (LAST_VIRTUAL_REGISTER): Update.
1131 * emit-rtl.c (global_rtl): Add cfa entry.
1132 (init_emit): Initialize it.
1133 * function.c (cfa_offset): New.
1134 (instantiate_virtual_regs): Initialize it.
1135 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
1136 (expand_function_end): Call expand_eh_return.
1137 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
1139 * except.c (current_function_eh_stub_label): Kill.
1140 (current_function_eh_old_stub_label): Likwise; update all references.
1141 (expand_builtin_set_return_addr_reg): Kill.
1142 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
1143 (expand_builtin_set_eh_regs): Kill.
1144 (eh_regs): Produce a third reg for the actual handler address.
1145 (eh_return_context, eh_return_stack_adjust): New.
1146 (eh_return_handler, eh_return_stub_label): New.
1147 (init_eh_for_function): Initialize them.
1148 (expand_builtin_eh_return, expand_eh_return): New.
1149 * except.h: Update prototypes.
1150 * flow.c (find_basic_blocks_1): Update references to the stub label.
1151 * function.h (struct function): Kill stub label elements.
1153 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
1154 register number is one that would be in the previous window.
1155 Provide a dummy definition for non-windowed targets.
1156 (get_reg_addr): New function.
1157 (get_reg, put_reg, copy_reg): Use it.
1158 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
1159 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
1161 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
1162 (alpha_init_expanders): Initialize it.
1163 (alpha_expand_epilogue): Use it.
1164 * alpha.h: Declare it.
1165 * alpha.md (eh_epilogue): New.
1167 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
1168 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
1170 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
1172 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
1175 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1177 * except.h (struct eh_entry): Add false_label field.
1178 (end_catch_handler): Add prototype.
1179 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
1180 (start_catch_handler): When using old style exceptions, issue
1181 runtime typematch code before continuing with the handler.
1182 (end_catch_handler): New function, generates label after handler
1183 if needed by older style exceptions.
1184 (expand_start_all_catch): No need to check for new style exceptions.
1185 (output_exception_table_entry): Only output the first handler label
1186 for old style exceptions.
1187 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
1188 mechanism into one function, if a runtime matcher is provided.
1190 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1192 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
1194 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
1196 * integrate.c (copy_decl_list): Fix typo.
1198 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1200 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
1203 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
1205 * version.c: Bump for snapshot.
1207 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
1209 * version.c: Bump for snapshot.
1211 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
1213 * version.c: Bump for snapshot.
1215 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1217 * invoke.texi (C Dialect Options): Put back missing @end itemize.
1219 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1221 * configure.in: remove usage of `!' to negate the result of a
1222 command; some common shells do not support it
1224 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1226 * configure.in: in sparc9-sol2 config, use 'if test' not
1228 * configure: Rebuilt.
1230 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
1232 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
1233 (CPP_CPU_DEFAULT_SPEC): Likewise.
1234 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
1235 for arch64 libfuncs.
1237 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
1240 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1242 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
1244 * collect2.c: Don't declare `sys_siglist' here.
1245 (my_strsignal): Prototype and define new function. Use it in
1246 place of `sys_siglist' hacks.
1248 * mips_tfile.c: Likewise.
1250 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
1251 (GCC_NEED_DECLARATIONS): Likewise.
1253 * system.h (strsignal): Prototype it, if necessary.
1254 (sys_siglist): Declare it, if necessary.
1256 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1258 * loop.c (move_movables): While removing insn sequences, preserve
1259 the next pointer of the most recently deleted insn when we skip
1262 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
1264 * objc/config-lang.in: Do not output the name of the selected
1265 thread file when building the front-end. The Makefile for the
1266 runtime library will do this.
1268 * objc/Make-lang.in: Do not build the runtime library or install
1269 the Objective C header files. The Makefile for the runtime
1270 library will do this.
1272 * objc/Makefile.in (all.indirect): Only build the front-end.
1273 (compiler): Rename to `frontend'.
1274 (obj-runtime): Remove target.
1275 (copy-headers): Likewise.
1276 (clean): No need to remove `libobjc.a' any longer.
1278 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
1280 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
1281 supported with -mcpu=xxx.
1283 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1285 * flow.c (mark_set_1): Recognize multi-register structure return
1286 values in CALL insns.
1287 (mark_used_regs): Likewise.
1288 (count_reg_sets_1): Likewise.
1289 (count_reg_references): Likewise.
1290 * rtlanal.c (note_stores): Likewise.
1291 (reg_overlap_mentioned_p): Likewise.
1292 * haifa-sched.c (check_live_1): Likewise.
1293 (update_live_1): Likewise.
1294 (sched_analyze_1): Likewise.
1295 (sched_note_set): Likewise.
1296 (birthing_insn_p): Likewise.
1297 (attach_deaths): Likewise.
1299 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
1302 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
1304 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
1306 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1308 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
1310 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1312 * configure.in: Add check for GAS subsection -1 support.
1313 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
1314 * configure config.in: Rebuilt.
1315 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
1316 SImode is subsection -1 works, else use DImode.
1317 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
1318 subsection -1 works.
1319 * config/sparc/sparc.c (sparc_output_addr_vec,
1320 sparc_output_addr_diff_vec): Use them if defined.
1322 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
1324 * tree.h (DECL_ORIGIN): New macro.
1325 * integrate.c (copy_and_set_decl_abstract_origin): New function.
1326 (copy_decl_list): Use it.
1327 (integrate_parm_decls): Likewise.
1328 (integrate_decl_tree): Likewise.
1329 * dwarf2out.c (decl_ultimate_origin): Simplify.
1330 * dwarfout.c (decl_ultimate_origin): Likewise.
1331 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
1332 (pushdecl): Likewise.
1334 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
1336 * config/rs6000/rs6000.c (output_epilog): Add Java support.
1338 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
1340 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
1342 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
1344 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
1345 empty or has a single entry.
1347 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
1348 before calling reg_to_stack.
1350 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
1352 * alpha.c (alphaev5_insn_pipe): Abort on default case.
1353 (alphaev5_next_group): Swallow CLOBBERs and USEs.
1355 * c-tree.h (warn_long_long): Declare it.
1357 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
1359 * emit-rtl.c (gen_lowpart_common): Disable optimization of
1360 initialized float-int union if the value is a NaN.
1362 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
1364 * c-lex.c (real_yylex): Don't warn about long long constants if
1365 we're allowing long long
1367 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1369 * except.h (current_function_eh_stub_label): Declare.
1370 (current_function_eh_old_stub_label): Declare.
1371 * function.h (struct function): New members eh_stub_label and
1373 * except.c (current_function_eh_stub_label): New variable.
1374 (current_function_eh_old_stub_label): New variable.
1375 (init_eh_for_function): Clear them.
1376 (save_eh_status): Save them.
1377 (restore_eh_status): Restore them.
1378 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
1379 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
1380 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
1381 make an edge from the block that contains it to the block starting
1382 with the label if this label is one of the eh stub labels.
1383 If eh stub labels exist, show they are reachable from the last block
1386 * reload1.c (reload): Break out several subroutines and make some
1388 (calculate_needs_all_insns): New function, broken out of reload.
1389 (calculate_needs): Likewise.
1390 (find_reload_regs): Likewise.
1391 (find_group): Likewise.
1392 (find_tworeg_group): Likewise.
1393 (something_needs_reloads): New global variable, formerly in reload.
1394 (something_needs_elimination): Likewise.
1395 (caller_save_spill_class): Likewise.
1396 (caller_save_group_size): Likewise.
1397 (max_needs): Likewise.
1398 (group_size): Likewise.
1399 (max_groups): Likewise.
1400 (max_nongroups): Likewise.
1401 (group_mode): Likewise.
1402 (max_needs_insn): Likewise.
1403 (max_groups_insn): Likewise.
1404 (max_nongroups_insn): Likewise.
1405 (failure): Likewise.
1407 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
1409 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
1411 * loop.c (load_mems): Copy rtx for output mem.
1413 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
1415 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
1416 mips1 or mips2 either.
1418 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
1420 * pa.c (pa_reorg): New marking scheme for jumps inside switch
1422 (pa_adjust_insn_length): Update to work with new marking scheme
1423 for jumps inside switch tables.
1424 * pa.md (switch_jump): Remove pattern.
1425 (jump): Handle jumps inside jump tables.
1427 * Makefile.in (profile.o): Depend on insn-config.h
1429 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
1431 * iris6.h (DWARF2_UNWIND_INFO): Undef.
1433 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1435 Add preliminary native sparcv9 Solaris support.
1436 * configure.in: Recognize sparv9-*-solaris2*
1437 * configure: rebuilt
1438 * config.sub: Recognize sparcv9 just like sparc64.
1439 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
1440 config/sparc/sol2-cn.asm: Macroize so it can be shared between
1441 32-bit and 64-bit Solaris systems.
1442 * config/sparc/t-sol2: Assemble those with cpp.
1443 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
1444 (*TF*_LIBCALL): If ARCH64 use V9 names.
1445 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
1447 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1449 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
1450 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
1452 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
1454 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
1455 to Pmode if CASE_VECTOR_MODE is something else.
1457 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
1459 * prefix.c (update_path): Correctly handle cases where PATH is
1460 a substring of the builtin prefix, but specifies a different
1463 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
1465 * expr.c: Corrected comment about what MOVE_RATIO does.
1466 * config/alpha/alpha.h: Ditto.
1467 * config/1750a/1750a.h: Ditto.
1468 * config/clipper/clipper.h: Ditto.
1469 * config/i386/i386.h: Ditto.
1471 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
1473 * configure.in (m68k-next-nextstep3*): Use collect2.
1474 Similarly for x86 NeXT configurations.
1475 * configure: Rebuilt.
1477 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
1479 * configure.in: Don't assume srcdir is .../gcc
1480 * configure: Rebuilt.
1482 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
1484 * global.c: Update comments.
1485 (global_alloc): Assign allocation-numbers
1486 even for registers allocated by local_alloc in case
1487 they are later spilled and retry_global_alloc is called.
1488 (mark_reg_store, mark_reg_clobber,
1489 mark_reg_conflicts, mark_reg_death): Always record a
1490 conflict with a pseudo register even if it has been
1491 assigned to a hard register.
1492 (dump_conflicts): Don't list pseudo registers already assigned to
1493 a hard register as needing to be allocated, but do list their
1495 * local-alloc.c: Update comment.
1497 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
1499 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
1500 * configure: Rebuilt.
1502 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
1504 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
1506 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
1507 for all targets that set -msoft-float.
1509 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1511 * toplev.c (print_switch_values): Make static to match prototype.
1513 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
1515 * configure.in: If we are unable to find the "gnatbind" program,
1516 then do not configure the ada subdir.
1517 * configure: Rebuilt.
1519 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
1521 * version.c: Bump for snapshot.
1523 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
1525 * version.c: Bump for snapshot.
1527 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1529 * Makefile.in (toplev.o): Depend on $(EXPR_H).
1530 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
1532 * gansidecl.h: Define ATTRIBUTE_NORETURN.
1534 * genattrtab.c: Have insn-attrtab.c include toplev.h.
1536 * genextract.c: Have insn-extract.c include toplev.h.
1538 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
1540 * toplev.c: Include expr.h.
1541 (really_sorry, fancy_abort): Remove prototypes.
1542 (set_target_switch): Add argument in prototype.
1543 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
1544 (v_really_sorry): Likewise.
1545 (print_version, print_single_switch, print_switch_values): Make
1546 static and add prototype arguments.
1547 (decl_printable_name): Add prototype arguments.
1548 (lang_expand_expr_t): New typedef.
1549 (lang_expand_expr): Declare as a lang_expand_expr_t.
1550 (incomplete_decl_finalize_hook): Add prototype argument.
1551 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
1552 (botch): Likewise for variable `s'.
1553 (rest_of_type_compilation): Mark variables `type' and `toplev'
1554 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
1555 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
1556 (display_help): Make variable `i' an `unsigned long'.
1557 (main): Remove unused parameter `envp'.
1558 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
1559 Cast -1 when comparing it with a `size_t'.
1561 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
1562 prototype with ATTRIBUTE_NORETURN.
1563 (fatal_insn_not_found, fatal_insn, really_sorry,
1564 push_float_handler, pop_float_handler): Add prototypes.
1565 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
1566 (do_abort, botch): Add prototypes.
1568 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
1570 * final.c (final): If a label is reached only from a single jump,
1571 call NOTICE_UPDATE_CC on the jump and its predecessor before
1572 emitting the insn after the label.
1574 * i386.h: Add AMD K6 support.
1575 Change TARGET_* macros to use table lookup.
1576 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
1577 (ADJUST_COST): Change definition to call function in i386.c.
1578 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
1579 * i386.c: Add AMD K6 support.
1580 Add constants for feature tests used by TARGET_* macros.
1581 (split_di): If before reload, call gen_lowpart and gen_highpart.
1582 (x86_adjust_cost): New function.
1583 (put_jump_code): New function.
1584 (print_operand): New codes 'D' and 'd'.
1585 * i386.md: New insn types. New insn attribute "memory".
1586 Redefine scheduling parameters to use new types and add AMD K6
1587 support. Explicitly set type of most insns.
1588 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1589 Pro and K6 prefer movl $1,reg to incl reg.
1590 (adddi3, subdi3): Set cc_status.
1591 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1592 to int; x86 can't have more than 2^31 DImode shifts per file.
1593 (setcc): Combine all setcc patterns. Allow writing memory.
1594 Combine all jump patterns using match_operator.
1595 (*bzero): Name pattern. Emit mutliple stos instructions when that
1596 is faster than rep stos.
1597 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1600 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1602 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1605 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1607 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1608 not whatever we're generating now.
1610 * alpha.c (set_frame_related_p, FRP): New.
1611 (alpha_expand_prologue): Mark frame related insns.
1612 (alpha_expand_epilogue): Likewise, but with a null FRP.
1613 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1614 * alpha.md (exception_receiver): New.
1615 * alpha/crtbegin.asm (.eh_frame): New beginning.
1616 (__do_frame_setup, __do_frame_takedown): New.
1617 * alpha/crtend.asm (.eh_frame): New ending.
1618 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1619 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1620 (ASM_FILE_START): Don't emit .file for dwarf2.
1622 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1623 * rtl.c (reg_note_name): Likewise.
1624 * rtl.texi (REG_NOTES): Likewise.
1625 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1628 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1630 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1631 * i386.md (movsf, movdf, movxf): Validate memory address returned
1632 from force_const_mem. Kill useless REG_EQUAL setting code.
1634 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1636 * m68k.md (zero_extendsidi2): Fix typo.
1638 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1640 * configure.in: Removed references to the removed file
1641 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1642 * arm*-*-netbsd* and ns32k-*-netbsd*.
1643 * config/i386/xm-netbsd.h: Removed unnecessary file.
1644 * config/m68k/xm-netbsd.h: Likewise.
1645 * config/sparc/xm-netbsd.h: Likewise.
1646 * config/mips/xm-netbsd.h: Likewise.
1648 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1650 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1651 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1653 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1654 for exact section attributions.
1656 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1658 * i386/crtdll.h (CPP_PREDEFINES): Define.
1660 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1662 * m68k.md (5200 movqi): Do not allow byte sized memory references
1664 * m68k.c (output_move_qimode): Do not use byte sized operations on
1667 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1668 explicit rules for building. Similarly for alloca, vfprintf,
1669 choose-temp and mkstemp, getopt, getopt1, and obstack.
1670 (INCLUDES): Add $(srcdir)/../include.
1671 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1672 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1674 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1676 * gcc.c (do_spec_1): [case 'o'] Account for
1677 lang_specific_extra_outfiles.
1678 (main): Correctly clear all slots in outfiles for
1679 lang_specific_extra_outfiles. Set input_file_number before
1680 calling lang_specific_pre_link.
1682 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1684 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1686 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1688 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1690 (sparc_output_deferred_case_vectors): If no work to do, return.
1691 Fix thinko in Sept 1 change.
1693 1998-09-03 SL Baur <steve@altair.xemacs.org>
1695 * Makefile.in: add semicolon in BISON definition for portability.
1697 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1699 * config/nextstep.c (handle_pragma): Correct name of third
1702 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1704 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1705 * config/m32r/m32r.h: Make register 17 be fixed.
1706 * config/m32r/m32r.c: Use SImode for cc operations.
1708 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1710 * invoke.texi (Warning Options): Add -Wnon-template-friend
1713 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1715 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1717 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1719 * rs6000.md (movsf): Disable explicit secondary-reload-like
1720 functionality if TARGET_POWERPC64.
1721 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1724 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1726 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1727 and term.h from fixinc.wrap.
1729 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1731 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1732 safe to include both string.h and strings.h together.
1733 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1734 which headers to search for function declarations. Continue to
1735 prefer string.h over strings.h when both are not acceptable.
1737 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1739 * configure.in: Call GCC_HEADER_STRING.
1741 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1742 to include. Continue to prefer string.h over strings.h when both
1745 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1747 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1748 not assume top 32-bits of symbolic addresses are zero if
1751 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1753 * ginclude/va-alpha.h: Protect entire second portion of the
1754 file against double inclusion.
1756 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1758 Added support for the Boehm's garbage collector.
1759 * configure.in: Handle --enable-objc-gc.
1760 * configure: Rebuilt.
1761 * Makefile.in (CHECK_TARGETS): Add check-objc.
1762 (check-objc): New rule.
1763 * objc/Make-lang.in: Build a different Objective-C library that
1764 runs with the Boehm's collector.
1765 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1766 * objc/encoding.c: Correctly compute the size of compound types in
1767 the presence of bitfields. Skip the variable name of the type if
1768 any. Added support for long long.
1769 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1770 (_F_GCINVISIBLE): New mask.
1771 * objc/gc.c: New file. Compute the type memory mask associated with
1772 a class based on the runtime information.
1773 * objc/misc.c: Added the hooks that use the Boehm's collector
1774 allocation functions.
1775 * objc/objc-act.c (build_class_template): Generate a new class
1776 member (gc_object_type) to hold the class' type memory mask.
1777 (build_shared_structure_initializer): Initialize the new member to
1779 (encode_complete_bitfield): New function. Generate the new
1781 (encode_field_decl): Generate the new encoding only for the GNU
1783 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1785 (class_get_gc_object_type): New function to mark a pointer instance
1786 variable as a weak pointer.
1787 * objc/objc-features.texi: New file.
1788 * objc/objc.h (gc_object_type): New class member.
1789 * objc/objects.c (class_create_instance): Create a typed memory
1790 object when compiled with Boehm's collector support.
1791 * objc/sendmsg.c (__objc_init_install_dtable): Call
1792 __objc_send_initialize instead of setting the initialize flag.
1793 (__objc_send_initialize): Call __objc_generate_gc_type_description
1794 to generate the class type memory mask. Rewrite the code that
1795 sends the +initialize so that it is called only once (bug report
1796 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1797 * testsuite/objc: New testsuite for Objective-C type encoding.
1798 * testsuite/lib/objc-torture.exp: New file.
1799 * testsuite/lib/objc.exp: New file.
1801 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1803 * jump.c (jump_optimize): In if/then/else transformations, add
1804 another call to modified_between_p for the jump insn.
1806 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1808 * fix-header.c (symlink): Treat like readlink.
1810 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1812 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1815 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1817 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1818 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1819 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1821 * config/nextstep.c (handle_pragma): Take three arguments, as per
1822 the new HANDLE_PRAGMA macro specification.
1823 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1824 per the new HANDLE_PRAGMA macro specification.
1825 * config/i960/i960.c (process_pragma): Take three arguments, as
1826 per the new HANDLE_PRAGMA macro specification.
1828 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1830 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1831 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1832 if unknown pragmas are encountered.
1833 (handle_sysv_pragma): Interpret return code from
1834 handle_pragma_token (). Return success/failure indication rather
1835 than next unprocessed character.
1836 (pragma_getc): New function: retrieves characters from the
1837 input stream. Defined when HANDLE_PRAGMA is enabled.
1838 (pragma_ungetc): New function: replaces characters back into the
1839 input stream. Defined when HANDLE_PRAGMA is enabled.
1841 * c-pragma.c (handle_pragma_token): Return success/failure status
1844 * c-pragma.h: Change prototype of handle_pragma_token().
1846 * varasm.c: (handle_pragma_weak): Only create this function if
1847 HANDLE_PRAGMA_WEAK is defined.
1849 * c-common,c (decl_attributes): If defined call the expression
1850 contained within the INSERT_ATTRIBUTES macro before adding
1851 attributes to a decl.
1853 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1854 HANDLE_PRAGMA, which takes three arguments.
1855 (INSERT_ATTRIBUTES): Document this new macro.
1857 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1858 new INSERT_ATTRIBUTES macro.
1860 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1862 * config/sparc/sparc.md (movdf): Only generate special RTL for
1863 LABEL_REFs when PIC.
1864 (move_label_di): Remove
1865 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1866 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1867 references when PIC.
1868 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1869 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1870 output an .xword for all 64-bit cases.
1872 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1874 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1875 alignment, use FUNCTION_BOUNDARY instead.
1876 (sparc_output_deferred_case_vectors): Likewise.
1878 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1880 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1881 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1883 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1885 * alpha/va_list.h: New file.
1886 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1888 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1890 * NEWS: Add SCO Openserver and Unixware 7 notes.
1894 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1896 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1897 (record_constant_1): Handle RANGE_EXPR.
1899 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1901 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1902 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1903 and NOTE_INSN_RANGE_END specially.
1904 (reemit_notes): Likewise.
1906 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1908 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1909 (ultrasparc_sched_init): Remove unneeded &.
1911 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1913 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1914 for m68020-60, to prevent the use of fintrz.
1916 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1918 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1920 * Makefile.in: Likewise.
1921 * configure: Regenerated.
1923 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1925 * configure.in (gxx_include_dir): Changed to
1926 '${prefix}/include/g++'-${libstdcxx_interface}.
1927 * configure: Rebuilt.
1929 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1931 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1933 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1934 *sequences* *below* which scalar moves will be used.
1936 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1938 * collect2.c (mktemp): Delete unused declaration.
1940 * config/xm-netbsd.h: Remove unnecessary file.
1941 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1942 file anymore, it is not needed.
1944 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1946 * convert.c (convert_to_integer): Issue an error on conversions to
1949 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1951 * Makefile.in: Add lang_tree_files and gencheck.h.
1952 * configure.in: Generate them.
1953 * gencheck.c: Include gencheck.h.
1955 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1957 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1958 movdi_lo_sum_pic and movdi_high_pic and make visible.
1959 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1960 emit these when Pmode is not SImode.
1961 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1963 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1965 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1966 .linkonce directive after the first time.
1968 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1970 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1971 the clobbered operand overlaps with an input.
1972 (bne0_di): Similarly.
1974 * Makefile.in (INSTALL): Remove "--no-header" argument.
1976 * NEWS: Various updates.
1978 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1980 * config/sparc/sparc.c (arith_operand, const64_operand,
1981 const64_high_operand, arith_double_4096_operand): Mark mode as
1983 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1985 (sparc_emit_set_const64): Remove unused variable i.
1986 (sparc_splitdi_legitimate): Likewise for addr_part.
1987 (ultra_code_from_mask): Likewise for mask.
1988 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1989 reverse return values so it matches usage and comments.
1990 (ultra_flush_pipeline): Likewise.
1991 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1992 this_type, and allow loads and stores of differing FP modes as
1993 they do not create a conflict.
1994 (ultra_find_type): Initialize fpmode to SFmode, fix
1995 parenthesization thinkos in large conditional.
1996 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1997 Init free_slot_mask after ultra_cur_hist is reset, not before.
1998 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1999 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
2000 use ultra_flush_pipeline instead, then re-init group pointer.
2001 Fix statement with no effect. If no progress made in, and no
2002 instructions scheduled at all, advance to new pipeline cycle else
2003 we get into an endless loop.
2004 (ultrasparc_adjust_cost): Remove previous arg.
2005 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
2007 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
2009 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
2010 code. Use reg_overlap_mentioned_p to detect when source and
2011 destination overlap.
2012 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
2014 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
2016 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
2017 COMPARISON_VAL, into invariant_p.
2019 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2021 * regmove.c (regclass_compatible_p): New function.
2022 (regmove_optimize): Use it.
2024 Use NREGS parameter insted of calling max_reg_num.
2026 (fixup_match_1): Don't use code = MINUS when later tieing with
2027 a hard register is likely.
2029 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2031 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
2032 COMPARISON_VAL was normalized.
2034 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
2036 * loop.c (check_dbra_loop): The loop ending comparison value
2037 must be an invariant or we can not reverse the loop.
2039 * loop.c (scan_loop): Count down from max_reg_num - 1 to
2040 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
2042 (load_mems_and_recount_loop_regs_set): Likewise.
2044 * i386.c (print_operand): Remove obsolete 'c' docs.
2046 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
2048 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
2049 * frame.c (init_object_mutex): New function.
2050 (init_object_mutex_once): Likewise.
2051 (find_fde): Call it.
2052 (__register_frame_info): Likewise.
2053 (__register_frame_info_table): Likewise.
2054 (__deregister_frame_info): Likewise.
2056 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
2058 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
2060 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2062 * loop.c (check_dbra_loop): Enable code for reversal
2063 of some loops without a known constant loop end.
2065 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
2067 * haifa-sched.c (last_clock_var): New.
2068 (schedule_block): Initialize it.
2069 (schedule_insn): Use it to fill insn modes with issue information.
2071 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
2072 Tag trapb and next insn with TImode.
2073 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
2074 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
2075 Invoke alphaev5_align_insns as appropriate.
2076 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
2077 (MD_SCHED_VARIABLE_ISSUE): New.
2078 * alpha.md (attr type): Add multi.
2079 (define_asm_attributes): New.
2080 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
2081 (arg_home): Likewise.
2082 (fnop, unop, realign): New.
2084 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
2086 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
2087 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
2089 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
2090 (rs6000-ibm-aix4.[12]*): Likewise.
2091 * configure: Regnerate.
2093 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
2095 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
2096 already contains the return address.
2098 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
2100 * calls.c (expand_call): Use bitfield instructions to extract/deposit
2101 word sized hunks when loading unaligned args into registers.
2103 * haifa-sched.c (sched_analyze_insn): Only create scheduling
2104 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
2106 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
2108 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2110 * loop.c (check_dbra_loop): Add some code that would allow reversal
2111 of some loops without a known constant loop end if it were enabled.
2113 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
2115 * mips.md (lshrsi3_internal2+2): Fix type-o.
2117 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2119 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
2120 correctly with regards to stdio.h.
2122 * calls.c: Remove stdarg.h/varargs.h.
2125 * combine.c: Likewise.
2126 * cpperror.c: Likewise.
2127 * cpplib.c: Likewise.
2128 * cpplib.h: Likewise.
2129 * doprint.c: Likewise.
2130 * emit-rtl.c: Likewise.
2131 * final.c: Likewise.
2132 * fix-header.c: Likewise.
2134 * genattr.c: Likewise.
2135 * genattrtab.c: Likewise.
2136 * gencodes.c: Likewise.
2137 * genconfig.c: Likewise.
2138 * genemit.c: Likewise.
2139 * genextract.c: Likewise.
2140 * genflags.c: Likewise.
2141 * genopinit.c: Likewise.
2142 * genoutput.c: Likewise.
2143 * genpeep.c: Likewise.
2144 * genrecog.c: Likewise.
2145 * mips-tfile.c: Likewise.
2146 * prefix.c: Likewise.
2147 * protoize.c: Likewise.
2148 * regmove.c: Likewise.
2149 * toplev.c: Likewise.
2152 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2154 * config/sparc/sparc.c (sparc_override_options): If not
2155 TARGET_FPU, turn off TARGET_VIS.
2156 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
2157 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
2158 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
2159 (movdi_insn_sp64): Add VIS fzero alternative.
2160 (clear_sf, clear_df): New VIS patterns.
2161 (movsf, movdf expanders): Allow fp_zero_operand flat out when
2163 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
2165 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
2167 * loop.c (n_times_set, n_times_used, may_not_optimize,
2168 reg_single_usage): Convert to varrays. All uses changed.
2169 (insert_loop_mem): Return a value.
2170 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
2171 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
2174 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
2177 * configure.in: Do not set thread_file to "irix" since no such
2180 * sparc.md (float abs/neg splits): Check reload_completed before
2181 calling alter_subreg.
2183 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2185 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
2187 * config/sparc/sparc.h: Declare it.
2188 * config/sparc/sparc.md (float abs/neg splits): Use it.
2189 (all other splits): Handle SUBREGs properly where necessary.
2190 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
2192 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
2194 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
2195 an insn on the unfilled_slots_list that has no delay slots.
2196 (fill_eager_delay_slots): Similarly.
2198 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
2200 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
2201 as an ordinary operand.
2203 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
2205 * tree.c (valid_machine_attribute): Don't apply attributes to both
2208 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
2210 * reload.c (operands_match_p): Handle rtvecs.
2212 * i386.c (legitimate_pic_address_disp_p): New.
2213 (legitimate_address_p): Use it.
2214 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
2215 Handle constant pool symbols just like statics.
2216 (emit_pic_move): Use Pmode not SImode for clarity.
2217 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
2218 [UNSPEC]: New, handling what we killed above.
2219 [PLUS]: Detect and abort on invalid symbol arithmetic.
2220 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
2222 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
2224 * alias.c: Include output.h.
2225 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
2226 different if we're in a varargs function.
2227 * Makefile.in (alias.o): Depend on output.h
2229 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2231 * sh.h (GIV_SORT_CRITERION): Delete.
2233 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
2235 * regclass.c (regclass): Use xmalloc/free instead of alloca.
2236 * stupid.c (stupid_life_analysis): Ditto.
2237 * reload1.c (reload): Ditto.
2239 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2241 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
2242 arith_double_4096_operand, arith_double_add_operand): New
2244 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
2245 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
2246 them to transform add/sub 4096 into add/sub -4096.
2248 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2250 * loop.c (scan_loop): Allocate some slop to handle pseudos
2251 generated by move_movables.
2252 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
2255 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
2257 * tree.def (DECL_RESULT): Correct documentation.
2259 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2261 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
2262 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
2263 conflicts will all RELOAD_FOR_OUTPUT reloads.
2265 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
2266 loads the function result, substitute with a USE.
2268 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2270 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
2271 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
2272 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
2273 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
2274 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
2275 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
2277 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
2278 'o' to 'm' for GPR variant constraints.
2280 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
2282 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
2284 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
2286 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
2287 when the source and destination overlap.
2289 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
2290 clash with global type.
2292 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
2294 * fixinc.irix: Add curses.h handling from fixinc.wrap.
2296 * c-common.c (combine_strings): Also set TREE_READONLY.
2297 Change warn_write_strings to flag_const_strings.
2298 * c-decl.c, c-tree.h: Likewise.
2300 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2302 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
2303 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
2304 sequence, use SET/IOR instead so CSE can see it.
2305 * config/sparc/sparc.md (movhi_const64_special,
2306 movsi_const64_special): New patterns necessitated by that change.
2307 (movhi_high): Remove.
2308 (movhi_lo_sum): Change to match an IOR.
2309 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
2310 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
2311 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
2312 (movdf splits): Allow when not V9 or when not ARCH64 and integer
2313 registers are involved.
2314 (snesi_zero_extend split): Remove reload_completed test.
2315 (unnamed plus and minus zero_extend sidi splits): Add it.
2317 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
2319 * extend.texi: Remove description of extension to explicit
2320 instantiation that is now endorsed by standard C++.
2322 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2324 * config/arc/arc.c (arc_initialize_pic): Remove.
2325 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
2326 nothing on any platform and is invoked by no-one, it does not even
2327 appear in the documentation.
2328 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
2329 * config/sparc/sparc.c (initialize_pic): Likewise.
2330 (find_addr_reg): Remove this as well, no longer referenced after
2333 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
2335 * recog.c (validate_replace_rtx_group): New function.
2336 * recog.h (validate_replace_rtx_group): Declare it.
2337 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
2338 the entire group of substitutions.
2340 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
2342 * loop.c (load_mems): Fix initializers.
2344 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2346 * config/sparc/sparc.md (TFmode splits): Handle destination
2347 registers being referenced in the address correctly.
2349 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
2350 TREE_UNSIGNED, when bitsize of type's mode is larger than
2351 HOST_BITS_PER_WIDE_INT.
2353 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2355 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
2356 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
2357 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
2359 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
2362 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
2364 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
2365 * h8300.h (TINY_DATA_NAME_P): Likewise.
2366 (STRIP_NAME_ENCODING): Handle '&'.
2368 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
2369 register (it could be accessed via an outer SUBREG).
2370 (REG_OK_FOR_BASE_P): Likewwise.
2371 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
2373 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
2376 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
2378 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2380 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
2381 must be offsettable so the splits can be made.
2383 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
2385 * config/i386/winnt.c: Include system.h, not stdio.h to get
2386 sys/param.h pulled in before rtl.h in case the system defines MIN
2389 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
2391 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
2393 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
2395 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
2397 * cpplib.c (cpp_define): Handle macros with parameters.
2399 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2401 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
2402 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
2403 and DImode 64-bit. Use llong for minimal-toc SFmode and
2404 SYMBOL_REF / LABEL_REF 64-bit.
2405 (output_function_profiler): Use llong for profiler label and ld to
2406 load 64-bit label address.
2408 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
2410 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
2413 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
2415 * version.c: Bump for snapshot.
2417 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
2419 * version.c: Bump for snapshot.
2421 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
2423 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
2425 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
2427 * tm.texi (Misc): Fix typo "teh".
2429 * tm.texi (PIC): Fix typo "PPIC".
2431 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
2432 effect when -O2 and higher.
2433 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
2435 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
2437 * regclass.c: Changed register set documentation to be consistent
2440 * final.c (final_start_function) Removed redundant test for
2443 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
2445 * rtl.h (rtx_function): New type.
2446 (for_each_rtx): New function.
2447 * rtlanal.c (for_each_rtx): Define it.
2449 * recog.c (change_t): New type.
2450 (change_objects, change_old_codes, change_locs, change_olds):
2452 (changes): New variable.
2453 (validate_change): Dynamically allocate room for more changes, if
2454 necessary. Uses changes array instead of change_objects, etc.
2455 (apply_change_group): Use changes array instead of
2456 change_objects, etc.
2458 * loop.c (loop_mem_info): New type.
2459 (loop_mems): New variable.
2460 (loop_mems_idx): Likewise.
2461 (looop_mems_allocated): Likewise.
2462 (scan_loop): Remove nregs parameter.
2463 (next_insn_in_loop): New function.
2464 (load_mems_and_recount_loop_regs_set): Likewise.
2465 (load_mems): Likewise.
2466 (insert_loop_mem): Likewise.
2467 (replace_loop_mem): Likewise.
2468 (replace_label): Likewise.
2469 (INSN_IN_RANGE_P): New macro.
2470 (loop_optimize): Don't pass max_reg_num() to scan_loop.
2471 (scan_loop): Remove nregs parameter, compute it after any new
2472 registers are created by load_mems. Use INSN_IN_RANGE_P and
2473 next_insn_in_loop rather than expanding them inline. Call
2474 load_mems to load memory into pseudos, if appropriate.
2475 (prescan_loop): Figure out whether or not there are jumps from the
2476 loop to targets other than the label immediately following the
2477 loop. Call insert_loop_mem to notice all the MEMs used in the
2478 loop, if it could be safe to pull MEMs into REGs for the duration
2480 (strength_reduce): Use next_insn_in_loop. Tweak comments.
2482 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
2484 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
2486 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2488 * config/sparc/sparc.c (finalize_pic): Check for the correct
2489 nonlocal_goto_receiver UNSPEC number.
2490 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
2491 making note of this dependency existing in sparc.c
2492 (negtf2_notv9 split): Give NEG SFmode.
2493 (negsf2): Fix insn output string.
2495 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
2497 * c-common.c (decl_attributes): Issue an error if the argument
2498 to alias is not a string.
2500 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
2502 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
2503 pending memory flush list.
2505 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
2507 (try_combine): Allow combining insns with REG_LIBCALL notes.
2509 * expr.c (emit_block_move): Do not call memcpy as a libcall
2510 instead build up a CALL_EXPR and call it like any other
2512 (clear_storage): Similarly for memset.
2514 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
2517 * Makefile.in (cplus-dem.o): Provide explicit rules for building
2520 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
2521 and REG_LIVE_LENGTH as successful substitutions are made.
2523 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2525 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
2526 statement after end of loop label.
2528 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2530 * config/sparc/sparc.c (ultra_types_avail): New variable.
2531 (ultra_build_types_avail): New function to record mask of insn
2532 types in ready list at this cycle.
2533 (ultrasparc_sched_reorder): Call it.
2534 (ultra_find_type): Use it to quicken the search. Also simplif
2535 dependency check, don't use rtx_equal_p because we know exactly
2536 what we are looking for.
2538 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
2540 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
2541 for architecture v4.
2543 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2545 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
2547 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
2548 movdf_const_intreg and helper splits): New patterns to move float
2549 constants into integer registers.
2550 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
2553 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
2556 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
2558 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
2560 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
2561 a BASE_REGS register is needed as an intermediate when copying
2562 a symbolic value into any register class other than BASE_REGS.
2564 * expr.c (move_by_pieces): No longer static. Remove prototype.
2565 * rtl.h (move_by_pieces): Add extern prototype.
2566 * mips.c (expand_block_move): Handle aligned straight line copy by
2567 calling move_by_pieces.
2569 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
2572 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
2574 * stmt.c (expand_end_loop): Tidy. Allow unconditional
2575 jumps out of the loop to be treated as part of the exit test.
2577 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2578 Jeff Law <law@cygnus.com>
2580 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2581 * cplus-dem.c: Delete.
2583 * Makefile.in (fold-const.o): depend on $(RTL_H).
2585 * fold-const.c: Include rtl.h to get the prototype for
2586 `set_identifier_local_value'.
2588 * loop.c (express_from_1): Remove unused variable `tmp'.
2589 (combine_givs): cast the first argument of bzero to char *.
2591 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2593 * c-decl.c (init_decl_processing): Remove unneeded &.
2595 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2597 * except.c (set_exception_lang_code, set_exception_version_code):
2598 Change parameter from `short' to `int' to avoid using a gcc
2601 * except.h (set_exception_lang_code, set_exception_version_code):
2602 Likewise for prototypes.
2604 * flow.c (count_reg_references): Remove unused variables `regno'
2607 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2609 * prefix.c (translate_name): Cast the result of `alloca'.
2611 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2613 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2615 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2617 (valid_dbcc_comparison_p): Mark mode argument as unused.
2618 (symbolic_operand): Likewise.
2619 (legitimize_pic_address): Likewise.
2620 (const_uint32_operand): Likewise.
2621 (const_sint32_operand): Likewise.
2622 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2623 schedule_insns and comment out rest of file.
2625 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2627 (output_move_[hq]imode): Likewise.
2629 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2631 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2632 * invoke.texi: Corresponding changes.
2634 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2636 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2638 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2640 * config/sparc/sparc.c (ultra_code_from_mask,
2641 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2642 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2643 ultrasparc_sched_init, ultrasparc_variable_issue,
2644 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2645 functions to describe UltraSPARC pipeline exactly to Haifa.
2646 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2647 as there is nothing the scheduler can do about it. Indicate that
2648 REG_DEP_OUTPUT's collide. Fixup formatting.
2649 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2650 divide costs on Ultra for DImode.
2651 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2653 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2654 ieuN and add call_no_delay_slot to type list.
2655 (cti function unit): New unit for branches on UltraSPARC.
2656 (subx/addx insns): Set type to misc.
2657 (sidi zero/sign extension insns on arch64): Set type to shift.
2658 (sign_extendhidi2_insn): Set type to sload.
2660 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2662 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2663 (output_epilog): Use if != 0 for offset.
2664 (rs6000_fatal_bad_address): Prepare for Intl.
2665 * rs6000.h (rs6000_fatal_bad_address): Declare.
2666 * rs6000.md (movsfcc, movdfcc): Use else if.
2667 (elf_high): Use {liu|lis}.
2668 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2669 (movsi): Use rs6000_fatal_bad_address.
2671 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2673 * reload.c (find_equiv_reg): Reject equivalences separated
2674 by a volatile instruction.
2676 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2678 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2680 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2682 * alpha.md (movsicc): Fix mode mismatch.
2684 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2686 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2688 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2690 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2692 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2693 write-only modifier from operand 1 constraint.
2695 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2697 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2698 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2700 (sparc_emit_set_const64): Likewise, also when computing trailing
2701 bits do not negate low_bits and make fast_int an int.
2703 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2705 * loop.c (add_label_notes): Do not ignore references to labels
2706 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2707 * gcse.c (add_label_notes): Similarly.
2709 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2711 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2712 (adddi_dishl32): Similarly.
2714 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2716 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2717 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2718 * cse.c (cse_basic_block): Add parens to shut up warnings.
2720 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2722 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2723 sparc_emit_set_const64_longway, const64_is_2insns,
2724 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2725 in 64-bit constant formation.
2726 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2727 rtl for addx not subx.
2728 (define_insn movdi_const64_special): Make available even when
2729 HOST_BITS_PER_WIDE_INT is not 64.
2730 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2731 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2732 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2733 instances of operand 1 inside a QI subreg.
2734 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2735 (one_cmpldi2_sp64): Fix output string.
2736 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2738 (unnamed arch64 ashift DI): Truncate shift count if greater than
2741 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2743 * expr.c (store_expr): Don't optimize away load-store pair
2744 when either source or destination have a side effect.
2746 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2748 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2749 operands of SET are incompatible.
2751 * alpha.md: Fix max and min patterns so modes of SET operands match.
2753 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2755 * configure.in: Avoid [[ by using test and changequote.
2756 * configure: Rebuild.
2758 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2760 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2762 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2763 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2764 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2765 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2766 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2767 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2768 Fix mismatching modes in SET operands.
2769 (conditional move patterns): Fix formatting.
2770 (unnamed subx arch64 pattern): Remove duplicate insn.
2772 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2774 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2775 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2776 (input_operand): Fixup test for what we accept for constant
2778 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2780 (safe_constDI): Remove.
2781 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2782 gen_safe_XOR64): New functions.
2783 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2784 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2786 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2787 available when HOST_BITS_PER_WIDE_INT is not 64.
2788 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2789 move before movdi_insn_sp64 pattern.
2790 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2791 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2792 symbolic_operand as predicate for second operand.
2793 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2794 expander): Give set VOIDmode.
2796 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2798 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2800 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2802 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2804 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2806 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2808 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2810 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2812 * install.texi: Various SCO OpenServer tweaks.
2814 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2816 * reload1.c (eliminate_regs_in_insn): Handle another case when
2817 eliminating the frame pointer to the hard frame pointer. Add
2818 missing ep->to_rtx check to one existing case.
2820 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2822 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2824 * tree.h: De-conditionalize init_priority code.
2826 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2827 * collect2.c (NM_FLAGS): Change from -p to -n.
2829 * configure.in: Turn on collect2 for mipstx39-elf.
2830 Handle use_collect2=no properly.
2832 * c-common.c: De-conditionalize init_priority code.
2833 * collect2.c (extract_init_priority, sort_ids): New fns.
2834 (main): Call sort_ids.
2835 Move sequence_number to file scope.
2837 * configure.in: Handle --enable-init-priority.
2838 * c-common.c (attrs): Add A_INIT_PRIORITY.
2839 (init_attributes, decl_attributes): Likewise.
2840 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2841 * tree.c (get_file_function_name_long): Split out...
2842 (get_file_function_name): ...from here.
2844 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2846 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2849 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2851 * toplev.c (display_help): Add braces to shut up warnings.
2852 * tree.c (simple_cst_equal): Likewise.
2854 * fold-const.c (non_lvalue): Don't deal with null pointer
2856 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2858 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2859 of any size to a pointer.
2861 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2863 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2865 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2867 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2868 which will be saved.
2869 * mn10300.md (prologue insn): Only save registers which need saving.
2870 (epilogue insn): Similarly.
2872 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2875 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2877 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2878 VAR_DECL's in gp addressable sections.
2880 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2882 * sparc.c: Change return <exp> to <exp>; return; in functions
2884 * sparc.md: Add empty semicolon statement after final label in
2887 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2889 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2890 addx_extend_sp64, only allow when TARGET_ARCH64.
2891 (define_insn addx_extend_sp32 and split): Version that works when
2893 (define_insn subx_extend): Likewise.
2894 (define_split adddi3 and subdi3 with zero extension): Fixup and
2895 correct bugs when not TARGET_ARCH64.
2897 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2899 * except.c (set_exception_lang_code, set_exception_version_code):
2900 Use prototype-style definition if __STDC__, to match declaration
2903 * genemit.c: Change FAIL and DONE macros not to use loops.
2905 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2907 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2908 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2910 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2912 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2914 * README.g77: Update from Craig.
2916 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2918 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2920 (safe_constDI sparc_emit_set_const64_quick1,
2921 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2922 analyze_64bit_constant, const64_is_2insns,
2923 create_simple_focus_bits): Fix some bugs when compiled on real
2925 (function_arg_record_value_3, function_arg_record_value_2,
2926 function_arg_record_value): Add fully prototyped forward decls.
2927 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2928 to cmpsi_insn and use on both 64 and 32 bit targets.
2929 (define_insn cmpsi_insn_sp64): Remove.
2930 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2931 (define_insn zero_extendsidi2_insn): Rename to
2932 zero_extendsidi2_insn_sp64.
2933 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2934 assosciated forced split for it.
2936 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2938 * config/sparc/sparc.h: Declare them.
2939 (PREDICATE_CODES): Add them.
2940 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2941 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2943 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2945 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2946 in v9 case as the latter makes the Solaris assembler crash.
2948 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2950 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2951 for TFmode when !v9. We require offsettable memory addresses.
2952 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2953 DFmode register number conversions.
2954 * config/sparc/sparc.md (define_split DFmode moves): If register
2955 is a SUBREG do alter_subreg on it before using.
2956 (define_expand movtf): Fixup comment about alignment on v9.
2957 (define_split TFmode moves): Don't use gen_{high,low}part, create
2958 explicit SUBREGs instead.
2960 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2962 * Makefile.in (mbchar.o): Depend on mbchar.c.
2964 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2965 Richard Henderson <rth@cygnus.com>
2967 Rewrite Sparc backend for better code generation and
2968 improved sparc64 support.
2969 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2971 * config/sparc/sysv4.h: Likewise.
2972 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2973 move_operand, v8plus_regcmp_op, emit_move_sequence,
2974 singlemove_string, doublemove_string, mem_aligned_8,
2975 output_move_double, output_move_quad, output_fp_move_double,
2976 move_quad_direction, output_fp_move_quad, output_scc_insn):
2978 (small_int_or_double): New predicate.
2979 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2980 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2981 old pic_{sethi,lo_sum}_si patterns.
2982 (mem_min_alignment): New generic function to replace
2983 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2984 available and can test for arbitrary alignments. All callers
2986 (save_regs, restore_regs, build_big_number,
2987 output_function_prologue, output_cbranch, output_return,
2988 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2989 sparc_flat_output_function_epilogue): Prettify
2991 (output_function_epilogue): Likewise and add code to output
2992 deferred case vectors.
2993 (output_v9branch): Likewise, add new arg INSN and use it to tack
2994 on branch prediction settings. All callers changed.
2995 (print_operand): Likewise and output %l44 for LO_SUMs when
2997 (sparc_splitdi_legitimate): New function to make sure DImode
2998 splits can be run properly when !arch64.
2999 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
3000 Reformat example code in comments.
3001 (set_extends): Remove UNSPEC/v8plus_clear_high case.
3002 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
3003 of deferred case vectors we need to output.
3004 (sparc_defer_case_vector): Record a case vector.
3005 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
3006 sparc_output_deferred_case_vectors): New functions to output them.
3007 (sparc_emit_set_const32): New function to form 32-bit constants in
3008 registers when that requires more than one instruction.
3009 (safe_constDI, sparc_emit_set_const64_quick1,
3010 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
3011 analyze_64bit_constant, const64_is_2insns,
3012 create_simple_focus_bits, sparc_emit_set_const64): New functions
3013 which do the same for 64-bit constants when arch64.
3014 (sparc_emit_set_symbolic_const64): New function to emit address
3015 loading for all code models on v9.
3016 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
3017 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
3018 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
3019 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
3020 inaccuracies in comments, add symbolic and text_segment operands
3021 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
3022 GENERAL_REGS in these cases as a temp REG is needed to load these
3023 addresses into a register properly.
3024 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
3026 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
3027 quads are guarenteed to have 16-byte alignment.
3028 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
3029 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
3030 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
3031 deferred case vector implementation.
3032 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
3033 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
3034 Generate "internal label - label" instead of "label - 1b".
3035 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
3036 (PREDICATE_CODES): Remove sparc_operand, move_operand,
3037 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
3039 (doublemove_string, output_block_move, output_fp_move_double,
3040 output_fp_move_quad, output_move_double, output_move_quad,
3041 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
3042 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
3043 (sparc_emit_set_const32, sparc_emit_set_const64,
3044 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
3045 mem_min_alignment, small_int_or_double): Add externs.
3046 * config/sparc/sparc.md: Document the many uses of UNSPEC and
3047 UNSPEC_VOLATILE in this backend.
3048 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
3049 unary to types which execute in it.
3050 (define_function_unit ieu_shift): Rename to ieu0.
3051 (define_function_unit ieu1): New, executes compare, call, and
3052 uncond_branch type insns.
3053 (define_function_units for type fdivs, fdivd, fsqrt): These
3054 execute in the fpu multiply unit not the adder on UltraSparc.
3055 (define_expand cmpdi): Disallow TARGET_V8PLUS.
3056 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
3057 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
3058 allows the arith_double_operand predicate and rHI constraint when
3060 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
3061 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
3062 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
3063 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
3064 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
3065 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
3066 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
3067 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
3068 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
3069 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
3070 sign_extendqihi2_insn, sign_extendqisi2_insn,
3071 sign_extendqidi2_insn, sign_extendhidi2_insn,
3072 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
3073 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
3074 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
3075 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
3076 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
3077 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
3078 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
3079 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
3080 smulsi3_highpart_v8plus, unnamed subreg mult,
3081 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
3082 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
3083 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
3084 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
3085 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
3086 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
3087 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
3088 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
3089 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
3090 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3091 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
3092 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
3093 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
3094 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
3095 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
3096 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
3097 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
3098 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
3099 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
3100 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
3101 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
3102 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
3103 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
3104 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
3105 call_address_untyped_struct_value_sp32,
3106 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
3107 call_value_symbolic_sp32, call_value_address_sp64,
3108 call_value_symbolic_sp64, branch_sp32, branch_sp64,
3109 flush_register_windows, goto_handler_and_restore,
3110 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
3111 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
3112 return_addsi, return_di, return_adddi, return_sf, all call+jump
3113 peepholes, trap, unnamed trap insns): Prettify output strings.
3114 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
3115 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
3116 Likewise and force + implement splits for integer cases.
3117 (define_insn return_sf_no_fpu): Likewise and allow to match when
3118 no-fpu because of our subreg SFmode splits.
3119 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
3120 zero_extendqidi2_insn, zero_extendhidi2_insn,
3121 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
3122 input_operand for second operand.
3123 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
3124 reg_or_0_operand for operand 2 so new splits can use it.
3125 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
3126 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
3128 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
3129 CONST_DOUBLEs for operand 2.
3130 (define_insn move_label_di): Likewise and label distance
3131 optimization because it no longer works with new deferred case
3132 vector scheme. To be revisited.
3133 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
3134 and allow reg_or_0_operand and J constraint for second operand.
3135 (define_insn jump): Set branch predict taken on V9.
3136 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
3137 new deferred case vector scheme.
3138 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
3139 (define_insn negdi2_sp32): Force + implement splits.
3140 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
3141 one_cmplsi2_not_liveg0 respectively, and create expander of original
3142 names which emit special rtl for TARGET_LIVE_G0.
3143 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
3144 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
3145 gen_compare_reg, FAIL instead.
3146 (define_insn sgtu, sleu): Likewise and check gen_s*() return
3147 values when trying to reverse condition codes, if they FAIL then
3149 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
3150 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
3151 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
3152 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
3153 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
3154 set output string to # to indicate they are mandatory splits.
3155 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
3156 pic_sethi_di, move_pic_label_si): Remove.
3157 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
3158 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
3160 (define_expand movsi_pic_label_ref, define_insn
3161 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
3162 expander and insns to handle PIC label references and deferred
3164 (define_insn get_pc_via_rdpc): Comment out as it is no longer
3166 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
3167 Rewrite to not use emit_move_sequence, make use of new constant
3168 formation code, and new splits for all multi-insn cases.
3169 (define_insn movqi_insn): Remove sethi case, it can never happen.
3170 Use reg_or_zero_operand instead of const0_rtx explicit test,
3171 use input_operand instead of move_operand for source, and use
3172 general_operand now for dest.
3173 (define_insn movhi_insn): Similar but leave sethi case.
3174 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
3175 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
3176 movhi_lo_sum respectively, prettify output string.
3177 (define_insn movsi_zero_liveg0): New pattern to put zero into a
3178 register when needed on TARGET_LIVE_G0.
3179 (define_insn movsi_insn): Use general_operand and input_operand
3180 for dest and src respectively. Simplify applicability test.
3181 Prettify output strings, and add clr alternative for J
3183 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
3184 deprecated std and reg-reg DI moves): Remove and...
3185 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
3186 implementation which uses forced splits for all non-single insn
3188 (define_split DI move cases on !arch64): New splits to handle all
3189 situations of 64-bit double register DImode on 32bit, and
3190 unaligned registers and memory addresses for all subtargets.
3191 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
3193 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
3194 input_operand for dest and src respectively, prettify output
3196 (define_insn movdf_insn, movdf_no_e_insn, store_df,
3197 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
3199 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
3200 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
3201 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
3202 movtf_no_e_insn_sp64) Replace with new
3203 implementation which uses forced splits for all non-single insn
3205 (define_split DF move cases): New splits in similar vein to DI
3207 (define_insn sethi_di_medlow, sethi_di_medium_pic,
3208 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
3209 movdi_sp64_insn): Remove old v9 code model and constant loading
3211 (define_insn pic_lo_sum_di, pic_sethi_di,
3212 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
3213 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
3214 embmedany_sethi, embmedany_losum, embmedany_brsum,
3215 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
3216 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
3217 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
3218 scheme, using unspecs, secondary reloads, and one to one sparc
3219 insn to rtl insn mapping for better scheduling and code gen.
3220 (define_expand reload_indi, reload_outdi): Reload helpers for
3221 MEDANY and EMBMEDANY symbol address loading cases which require a
3223 (define_expand movsicc): Remove v8plus_regcmp cases.
3224 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
3225 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
3226 cmp_diqi_trunc_set): New patterns used by some of the new scc
3228 (define_insn xordi3_sp64_dbl): New pattern used for constant
3229 formation when crossing from 32-bit targets.
3230 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
3232 (define_insn addx, subx): Make visible and prettify.
3233 (define_insn adddi3_insn_sp32): Likewise and force split.
3234 (define_insn addx_extend, subx_extend, unnamed): New patterns for
3235 64bit scc split usage.
3236 (define_insn unnamed plusDI zero_extend, unnamed minusDI
3237 zero_extend, subdi3): Force and implement splits.
3239 * final.c (final_scan_insn): Don't output labels if target
3240 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
3243 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
3244 don't forget to walk inside SEQUENCESs too as these are what the
3245 delay slot scheduler will create.
3247 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
3249 * alpha.md (extxl+1,+2): New patterns to work around
3252 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
3254 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
3255 caused bad assembly code to be generated.
3257 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
3259 * netbsd.h: Fix typo.
3261 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
3263 * config.sub: Fix typo.
3265 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
3267 * invoke.texi (Environment Variables): Typo: Change "ascpects"
3269 (Running Protoize): Typo: Change "ther" into "other".
3271 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
3273 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
3274 * m68k/netbsd.h: Likewise.
3275 * ns32k/netbsd.h: Likewise.
3276 * sparc/netbsd.h: Likewise.
3278 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
3280 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
3281 * ginclude/va-clipper.h (va_list): Likewise.
3283 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
3285 * rs6000.c (rs6000_override_options): If big endian and -Os, use
3286 load/store multiple instructions unless user overrides.
3288 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
3290 * ns32k/netbsd.h: Fix typo.
3292 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
3294 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
3295 labels with .debugsym if no parallel insns.
3297 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
3299 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
3300 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
3302 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
3304 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
3305 (AR_FOR_TARGET): Define.
3307 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
3309 * dyn-string.h: New file.
3310 * dyn-string.c: Likewise.
3311 * Makefile.in (OBJS): Add dyn-string.o.
3312 (dwarf2out.o): Add dyn-string.h dependency.
3313 (dyn-string.o): List dependencies.
3314 * dwarf2out.c: Include dyn-string.h.
3315 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
3316 (addr_const_to_string): Take a dyn_string_t, not a char* as a
3317 prototype. Use dyn_string_append rather than strcat, throughout.
3318 (addr_to_string): Use dyn_string_t.
3320 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
3322 Function entry/exit profiling instrumentation:
3323 * expr.h (profile_function_entry_libfunc,
3324 profile_function_exit_libfunc): Declare new variables.
3325 * optabs.c: Define them here.
3326 (init_optabs): Initialize them.
3327 * tree.h (struct tree_decl): New flag
3328 no_instrument_function_entry_exit.
3329 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
3330 * c-decl.c (duplicate_decls): Merge it.
3331 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
3332 (init_attributes): Use it for "no_instrument_function".
3333 (decl_attributes): Handle it, for functions that have not yet been
3334 compiled. Set decl flag.
3335 * flags.h (flag_instrument_function_entry_exit): Declare new
3337 * toplev.c (flag_instrument_function_entry_exit): Define it here.
3338 (f_options): New option "instrument-functions".
3339 * function.h (struct function): New field instrument_entry_exit.
3340 * function.c (current_function_instrument_entry_exit): New
3342 (push_function_context_to, pop_function_context_from): Save and
3344 (expand_function_start): Set current_ variable, maybe emit return
3345 label and entry profile call.
3346 (expand_function_end): Maybe emit exit profile call.
3348 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
3350 * i386.md (movqi): When optimizing a load of (const_int 1) into a
3351 NON_QI_REG_P, pretend the register is SImode.
3353 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
3355 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
3356 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
3357 manufacturer id for ns32k.
3358 * configure: Regenerated.
3359 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
3360 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
3361 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
3362 * config/m68k/netbsd.h: Same.
3363 * config/ns32k/netbsd.h: Same.
3364 * config/sparc/netbsd.h: Same.
3366 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
3368 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
3369 or UNROLL_COMPLETELY loop that starts with a jump to its
3372 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
3374 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
3375 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
3376 (print_operand, case 'B'): Don't fall through.
3377 (print_operand, case 'S'): Correct mask begin/end computation.
3378 Use HOST_BITS_PER_WIDE_INT.
3379 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
3380 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
3381 * rs6000/aix41.h (CPP_PREDEFINES): Same.
3382 * rs6000/aix43.h (CPP_PREDEFINES): Same.
3384 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
3386 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
3387 constraint from second alternative.
3389 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
3391 * configure.in: Fix --without/--disable cases for local-prefix,
3392 gxx-include-dir and checking.
3394 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3396 * configure.in (enable_haifa): Set by default for sparc64 too.
3399 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
3401 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
3402 * i386/winnt.c (associated_type): New fn.
3403 (i386_pe_valid_type_attribute_p): New fn.
3404 (i386_pe_check_vtable_importexport): Remove.
3405 (i386_pe_dllexport_p): Use associated_type.
3406 (i386_pe_dllimport_p): Likewise.
3408 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
3409 * i386.c (i386_valid_type_attribute_p): Also accept
3410 attributes for METHOD_TYPEs.
3412 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
3414 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
3416 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
3418 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
3420 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
3421 them from generating a new base name for each occurence of
3424 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
3426 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
3428 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
3432 * cplus-dem.c (type_kind_t): New type.
3433 (demangle_template_value_parm): Add type_kind_t parameter. Rely
3434 on this paramter, rather than demangling the type again.
3435 (demangle_integral_value): Pass tk_integral.
3436 (demangle_template_: Pass the value returned from do_type.
3437 (do_type): Return a type_kind_t. Pass tk_integral to
3438 demangle_template_value_parm for array bounds.
3439 (demangle_fund_type): Likewise.
3441 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
3443 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
3446 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
3448 * pa.c (move_operand): Accept CONSTANT_P_RTX.
3450 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
3452 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
3454 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
3457 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
3459 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
3460 (DEBUGGER_ARG_OFFSET): Likewise.
3462 * mn10300.md (movsf): Remove last change. Not needed.
3464 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
3466 * c-lex.c (yylex): Fix boundary conditions in character literal and
3467 string literal loops.
3469 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
3471 * longlong.h (count_leading_zeros): Sparclite scan instruction was
3472 being invoked incorrectly.
3474 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
3475 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
3477 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
3478 * configure.in: Added i[34567]86-*-win32
3479 * config.sub: Ditto.
3480 * configure: Rebuilt.
3482 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
3484 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
3485 the frame pointer and compiling PIC code and reload has not completed.
3487 * i386.c (output_to_reg): Add code to emulate non-popping DImode
3490 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
3492 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
3494 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3496 * Makefile.in (install-info): Only try to update the info
3497 directory file if it exists in the first place.
3499 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
3501 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
3503 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
3505 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
3506 CONST_DOUBLE source.
3508 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
3510 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
3511 strings as the insertion of USER_LABEL_PREFIX.
3512 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
3514 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
3517 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
3519 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
3520 already defined type.
3522 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
3524 * expr.c (check_max_integer_computation_mode): Allow conversions
3525 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
3526 (expand_expr): Likewise.
3528 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3530 * expr.c (expand_expr): Expand RETURN_EXPR.
3532 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
3534 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
3536 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
3538 * dwarf2out.c (output_aranges): Call stripattributes
3539 for TEXT_SECTION references.
3540 (output_line_info): Likewise.
3542 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3544 * profile.c (branch_prob): Call allocate_reg_info after outputting
3545 profile rtl in instrument_arcs.
3547 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
3549 * fixinc.irix (math.h): Install wrapper instead of copying.
3551 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3553 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
3554 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
3555 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
3556 lang_flag_0. Added documentation in the flag table.
3558 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
3560 * cccp.c (do_include): Fix vax c style include handling.
3562 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
3564 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
3566 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
3568 * fold-const.c (non_lvalue): Don't deal with null pointer
3570 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3572 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
3574 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
3575 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
3576 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
3577 (u_short_cint_operand): Same.
3578 (reg_or_cint_operand): Same.
3579 (logical_operand): Same.
3580 (input_operand): Same.
3581 (reg_or_short_operand): Use u_short_cint_operand.
3583 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3585 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3586 but keep the insns and splits. Adjust so when the ultimate destination
3587 is memory, use cvtql.
3589 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3591 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3593 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3595 * gcc.c (do_spec): Call "error" not "warning".
3597 * configure.in: Fix minor problems with gas feature detection code.
3598 * configure: Rebuilt.
3600 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3603 * gcc.c: Delete %[spec] support.
3604 (do_spec_1, case '('): Likewise.
3605 (do_spec_1, case '['): Call error.
3607 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3609 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3610 (CPP_SUBTARGET_SPEC): Default to empty string.
3611 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3612 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3613 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3614 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3616 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3617 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3618 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3619 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3620 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3621 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3622 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3623 * alpha/vxworks.h: Likewise.
3625 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3627 * mips.md (reload_outsi): Added missing REGNO call.
3628 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3630 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3631 another match_operator and compare the codes.
3633 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3635 * MIPS multiply pattern fixes:
3636 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3637 Add union classes for HI, LO, or HILO plus general registers.
3638 (GENERATE_MADD): Deleted.
3639 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3640 Add TARGET_MAD to condition.
3641 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3642 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3643 "*d" for accumulator, to give preference to LO initially but not
3646 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3648 * configure.in (enable_c_mbchar): New configure option.
3649 (extra_cpp_objs): Always available now.
3651 * cexp.y (mbchar.h): #include it.
3652 (yylex): Handle Multibyte characters in character literals.
3654 * cccp.c (mbchar.h): #include it.
3655 (main): Set character set based on LANG environment variable.
3656 (rescan): Handle multibyte characters in comments.
3657 (skip_if_group): See above.
3658 (validate_else): See above.
3659 (skip_to_end_of_comment): See above.
3660 (macarg1): See above.
3661 (discard_comments): See above.
3662 (rescan): Handle multibyte characters in string and character literals.
3663 (collect_expansion): See above.
3664 (skip_quoted_string): See above.
3665 (macroexpand): See above.
3666 (macarg1): See above.
3667 (discard_comments): See above.
3668 (change_newlines): See above.
3670 * c-lex.c (mbchar.h): #include it.
3671 (GET_ENVIRONMENT): New macro.
3672 (init_lex): Set character set based on LANG environment variable.
3673 (yylex): Handle multibyte characters in character literals.
3674 (yylex): Handle multibyte characters in string literals.
3676 * Makefile.in (mbchar.o): New target.
3677 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3678 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3680 * mbchar.[ch]: New files for multibyte character handling.
3682 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3684 * jump.c (jump_optimize): When simplifying noop moves and
3685 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3686 the PUSHes to rewrite in second loop as we did in the first.
3688 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3690 * cplus-dem.c (demangle_nested_args): Make function definition
3691 static to match the prototype.
3693 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3695 * alloca.c: Respect USE_C_ALLOCA.
3696 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3697 * gengenrtl.c (xmalloc): Likewise.
3699 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3701 * loop.h (struct induction): Add no_const_addval.
3702 * loop.c (the_movables, reg_address_cost): New variables.
3703 (init_loop): Init reg_address_cost.
3704 (loop_optimize): Call end_alias_analysis.
3705 (scan_loop): Init the_movables.
3706 (record_giv): Init induction->no_const_addval.
3707 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3708 [REG]: Rearrange loop search test to catch more cases.
3709 (general_induction_var): Return success not benefit; take an extra
3710 argument for that. Change all callers.
3711 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3712 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3713 [default]: Search the_movables for additional combinations.
3714 (sge_plus_constant, sge_plus): New functions.
3715 (express_from_1): New function.
3716 (express_from): Always define. Rewrite using express_from_1.
3717 (combine_givs_p): Handle more cases. Ignore address cost.
3718 (cmp_combine_givs_stats): New function.
3719 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3720 (combine_givs): Rewrite to do best-fit combination.
3722 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3723 (fold): Do a complete (A*C)+(B*C) association check.
3725 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3727 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3729 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3731 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3733 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3735 * tree.c (valid_machine_attribute): Only create a new type variant if
3736 there is a decl to use it.
3738 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3740 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3743 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3745 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3748 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3750 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3751 Simplify tests for clearing an address register.
3752 (expand_prologue): Corresponding changes.
3754 * mn10300.md (movXX patterns): Make sure the destination is an
3755 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3756 (logical patterns): Split into expanders + patterns
3757 (zero and sign extension patterns): Similarly.
3758 (shift patterns): Similarly.
3760 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3762 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3763 for the sequence, recording base values.
3765 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3767 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3769 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3771 * gcc.c: Remove ANSI-C ism from --help code.
3773 * toplev.c: Support --help with USE_CPPLIB.
3775 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3777 * configure.in: Rework gas feature code to work with symlink based
3780 * extend.texi: Clarify some issues related to local variables
3781 assigned to explicit registers.
3783 * mn10300.md (mulsi): Turn into expander + pattern.
3785 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3788 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3790 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3792 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3794 * version.c: Bump again to distinguish mainline tree from the
3797 See ChangeLog.0 for earlier changes.
3800 add-log-time-format: current-time-string