1 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3 * config/mn10300/mn10300.c (print_operand_address): Do not add
6 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
7 adjusted by less than 256 bytes, use ret regardless of having any
8 callee-saved register to restore.
10 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
12 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
14 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
16 * config/i386/djgpp.h (INT_ASM_OP): Define.
17 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
18 (ASM_WEAKEN_LABEL): Define.
19 (MASK_BNU210): Define.
20 (SUBTARGET_SWITCHES): Define.
21 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
22 (MAKE_DECL_ONE_ONLY): Define.
23 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
25 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
27 * i386/cygwin.h (INT_ASM_OP): Define.
29 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
31 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
32 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
34 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
36 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
37 __tmp_reg__ and __zero_reg__ initialization.
39 2000-04-30 Richard Henderson <rth@cygnus.com>
41 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
43 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
44 referenced bewteen the condition and the jump. Don't delete
45 anything but the jump.
47 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
49 * bb-reorder.c (scope_def): New struct.
50 (scope_forest_info): New struct.
51 (struct reorder_block_def): New member "scope".
52 (REORDER_BLOCK_SCOPE): New macro.
53 (relate_bbs_with_scopes): New function and prototype.
54 (make_new_scope): Likewise.
55 (build_scope_forest): Likewise.
56 (remove_scope_notes): Likewise.
57 (insert_intra_1): Likewise.
58 (insert_intra_bb_scope_notes): Likewise.
59 (insert_inter_bb_scope_notes): Likewise.
60 (rebuild_scope_notes): Likewise.
61 (free_scope_forest_1): Likewise.
62 (free_scope_forest): Likewise.
63 (dump_scope_forest): Likewise.
64 (dump_scope_forest_1): Likewise.
65 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
66 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
68 (reorder_basic_blocks): Added calls to build_scope_scope_forest
69 and remove_scope_notes before reordering is done. Added calls to
70 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
71 after reordering is done.
73 2000-40-30 Bruce Korb <bkorb@gnu.org>
75 * fixinc/inclhack.def: Added definitions needed by OSR5,
76 removed two stale entries (defined away with OLD_CPP).
77 * fixinc/inclhack.sh: regen
78 * fixinc/fixincl.x: regen
80 2000-04-30 Richard Henderson <rth@cygnus.com>
82 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
83 from the last insn in the sequence.
85 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
87 * cpplex.c (cpp_idcmp): New function.
88 * cpplib.h: Prototype it.
89 * scan_decls.c (scan_decls): Use it to inspect token names.
90 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
91 the file being run through the preprocessor.
92 (check_macro_names): Provide length of token to cpp_defined.
94 * Makefile.in: Remove stale warning message.
96 * cppfiles.c (redundant_include_p): Provide length of token to
98 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
99 values are unsigned int.
100 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
101 (_cpp_lookup_slot): Do not calculate the hash, either.
102 * cpphash.h: Update prototypes.
103 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
104 Hashes are unsigned int. Calculate hash here, pass by value
107 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
109 * simplify-rtx.c (check_value_useless): Delete function.
110 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
112 (cselib_invalidate_regno): Likewise.
113 (cselib_invalidate_mem_1): Likewise.
114 (references_value_p): Recognize useless values by the fact that they
116 (discard_useless_values): Likewise.
117 (cselib_record_set): This may turn a useless value
120 2000-04-30 Richard Henderson <rth@cygnus.com>
122 * config/d30v: New port.
124 * configure.in (d30v-*): Set fp format.
125 * configure: Rebuild.
127 2000-04-30 Richard Henderson <rth@cygnus.com>
130 * Makefile.in (OBJS): Add it.
131 (ifcvt.o): New target.
132 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
133 and conditional arithmetic.
134 (find_insert_position): Remove.
135 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
136 * toplev.c (DFI_ce, DFI_ce2): New.
137 (dump_file): Add ce and ce2 dumps.
138 (rest_of_compilation): Run if_convert a couple o times. Set
139 cse_not_expected after cse2. Don't set no_new_pseudos until
140 after sched1 or recompute_reg_usage.
142 2000-04-30 Richard Henderson <rth@cygnus.com>
144 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
145 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
147 2000-04-30 Richard Henderson <rth@cygnus.com>
149 * flow.c (struct reg_cond_life_info): New.
150 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
151 (init_propagate_block_info): Initialize them.
152 (free_propagate_block_info): Destruct them.
153 (mark_set_1): Consider conditional life before killing a register.
154 (mark_regno_cond_dead): New.
155 (free_reg_cond_life_info): New.
156 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
157 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
158 (mark_used_reg): Record conditional life.
160 * haifa-sched.c (schedule_insns): Disable death counting
161 sanity check for HAVE_conditional_execution.
163 2000-04-30 Richard Henderson <rth@cygnus.com>
165 * Makefile.in (TIMEVAR_H): New.
166 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
167 (timevar.h): Remove rule.
169 2000-04-29 Richard Henderson <rth@cygnus.com>
171 * config/alpha/crtend.asm: Use C comments instead of #.
172 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
174 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
176 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
178 * cpphash.h (enum node_type: Take out T_MCONST.
179 (union hashval): Move into struct hashnode.
180 (struct hashnode): Pack tighter. Remove file, line, col
182 * cpphash.c: Constify most of the macro-definition structures.
183 (struct definition): Replace by struct object_defn
184 and struct funct_defn. Put file, line, column information
185 here. All users updated to match.
186 (_cpp_create_definition, _cpp_macroexpand): Remove special
187 case for #define WORD OTHERWORD.
188 * cpplib.c (do_undef): Remove T_MCONST case.
190 * cpphash.h: Move struct reflist, struct definition, and the
191 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
192 union hashval. _cpp_free_definition takes a HASHNODE pointer.
193 * cpphash.c (_cpp_free_definition): Free data pointed to by
194 MCONST, XCONST, MACRO, and FMACRO nodes properly.
195 (_cpp_create_definition, del_HASHNODE): Just call
196 _cpp_free_definition to clear out a hashnode.
197 * cpplib.c (do_pragma_poison): Likewise.
199 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
201 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
202 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
203 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
204 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
205 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
206 REGNO_AM33_P): Redefine in terms of the new macros.
207 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
208 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
209 STRUCT_VALUE): Likewise.
210 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
211 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
213 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
215 * regmove.c (struct record_stack_memrefs_data): New.
216 (record_stack_memrefs): New function.
217 (combine_stack_adjustments_for_block): Use it.
219 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
221 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
222 use special_function_p to detect alloca.
224 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
226 * gcc.texi: Fixes for makeinfo 4.0 --html.
228 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
230 * pcp.h: Delete file.
232 2000-04-28 Kazu Hirata <kazu@hxi.com>
234 * h8300.c (function_epilogue): Clean up flags when the last insn
235 in a function is a barrier.
237 2000-04-28 Chris Demetriou <cgd@sibyte.com>
239 * configure.in (sparc-hal-solaris2*): protect [] glob from
241 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
242 rather than hard-coded constants in target_cpu_default2.
243 * configure: Regenerate.
245 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
247 * tree.c (get_callee_fndecl): Extract the initial value from
250 2000-04-28 Richard Henderson <rth@cygnus.com>
252 * varasm.c (record_constant_1): Record the CODE_LABEL when
253 taking the address of a LABEL_REF.
255 2000-04-28 Richard Henderson <rth@cygnus.com>
256 Jan Hubicka <jh@suse.cz>
258 * calls.c (combine_pending_stack_adjustment_and_call): Return the
259 adjustment; don't do the stack adjust.
260 (expand_call): Call compute_argument_block_size right before
261 allocating the block; update comment; don't do alignment sanity
262 checking for sibling call; use args_size instead of
263 unadjusted_args_size before args_size is adjusted. Use
264 combine_pending_stack_adjustment_and_call to compute stack adjust
265 for must_preallocate case.
267 * expr.c (push_block): Remove shadow `temp' in inner scope.
269 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
271 * toplev.c (rest_of_compilation): Call
272 note_deferral_of_defined_inline_function even if the function
275 2000-04-28 Scott Bambrough <scottb@netwinder.org>
277 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
279 2000-04-28 Richard Henderson <rth@cygnus.com>
281 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
283 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
285 * timevar.c (init_timevar): DeANSIfy function definition.
287 2000-04-27 Alex Samuel <samuel@codesourcery.com>
289 * Makefile.in (timevar.o): Depend on flags.h.
290 * timevar.c (unused_stack_instances): New variable.
291 (timevar_push): Take a timevar_stack_def from
292 unused_stack_instances if available.
293 (timevar_pop): Push the popped timevar_stack_def onto
294 unused_stack_instances.
295 (TIMEVAR_ENABLE): New macro.
296 (timevar_def): Make standalone a 1-bit field. Add field used.
297 (get_time): Rename parameter to now. Return after clearing it if
299 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
300 (timevar_pop): Likewise.
301 (timevar_stop): Likewise.
302 (timevar_push): Likewise. Mark the timing variable as used.
303 (timevar_start): Likewise.
304 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
305 timevars that were never used.
307 2000-04-27 Mark Mitchell <mark@codesourcery.com>
309 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
310 always TREE_READONLY.
312 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
314 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
315 for call instruction with mode QImode.
317 2000-04-27 Alex Samuel <samuel@codesourcery.com>
319 * Makefile.in (OBJS): Add timevar.o.
320 (toplev.o): Depend on timevar.h.
321 (ggc-simple.o): Likewise.
322 (ggc-page.o): Likewise.
323 (timevar.o): New rule.
324 (timevar.h): New rule.
326 * timevar.h: New file.
327 * timevar.c: Likewise.
328 * timevar.def: Likewise.
330 * toplev.h (gc_time, parse_time, varconst_time): Remove.
331 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
333 (TIMEVAR): Remove macro.
334 (gc_time, parse_time, varconst_time, integration_time, jump_time,
335 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
336 flow_time, combine_time, regmove_time, sched_time,
337 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
338 sched2_time, dbr_sched_time, reorder_blocks_time,
339 rename_registers_time, shorten_branch_time, stack_reg_time,
340 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
342 (compile_file): Don't initialize time variables. Call
343 init_timevar and start TV_TOTAL timer. Call timevar_print instead
344 of many calls to print_time.
345 (rest_of_compilation): Add timing for reload_cse_regs.
346 (get_run_time): Removed to timevar.c.
347 (print_time): Likewise.
348 (get_run_time): Implement using TV_TOTAL time variable.
349 (print_time): Get total run time from get_run_time.
350 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
351 computing elapsed time explicitly.
352 * ggc-simple.c (ggc_collect): Likewise.
353 (gc_time): Remove declaration.
355 2000-04-27 Mark Mitchell <mark@codesourcery.com>
357 * calls.c (combine_pending_stack_adjustment_and_call): New function.
358 (expand_call): Use it.
360 2000-04-27 Jan Hubicka <jh@suse.cz>
362 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
365 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
367 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
370 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
372 * function.c (epilogue_done): Pass whole insn to record_insns.
374 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
376 * cse.c (CSE_ADDRESS_COST): Remove.
377 (find_best_addr): Add new parameter "MODE", use address_cost instead
380 (fold_rtx): Update call of find_best_addr.
381 * rtl.h (address_cost): Declare.
382 * loop.c (general_induction_var): Add new parameter "MODE", use
383 address_cost instead of ADDRESS_COST
384 (init_loop): Use address_cost instead of ADDRESS_COST.
385 (check_insn_for_givs): Update call of general_induction_var.
386 (find_mem_givs): Likewise.
387 (consec_sets_giv): Likewise.
388 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
389 * i386.c (ix86_address_cost): New.
390 * i386-protos.h (ix86_address_cost): Declare.
392 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
394 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
397 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
399 * expr.c (store_expr): Use clear_storage instead of direct memset
402 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
404 * config/mn10300/mn10300.c (mn10300_address_cost): Test
405 ASHIFT, AND and LABEL_REF.
407 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
409 * invoke.texi (-foptimize-sibling-calls): Fix.
411 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
413 * loop.c (load_mems) Don't use hard registers for the hoisting.
415 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
416 calculation; rename const_equiv array in the preconditioning code
417 from loop_unroll to loop_unroll_precondition
419 2000-04-27 Richard Henderson <rth@cygnus.com>
421 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
423 (propagate_one_insn): Clear it. Don't update reg_live here.
424 (init_propagate_block_info): Update for pbi member changes.
425 (free_propagate_block_info): Likewise.
426 (mark_set_1): Know that zero_extract, sign_extract, and
427 strict_low_part don't kill their argument. Alter hard subregs.
428 Update new_set for non-CLOBBER sets. Update reg_live.
429 (find_auto_inc): Update reg_live, not new_dead.
430 (mark_used_reg): Update reg_live, not new_live. Examine new_set
431 to determine if the reg in question was set this insn. Only update
432 reg info with PROP_REG_INFO.
434 2000-04-26 Richard Henderson <rth@cygnus.com>
436 * flow.c (allocate_reg_life_data): Set max_regno here ...
437 (life_analysis): ... not here.
439 * flow.c (calculate_global_regs_live): Force stack pointer
442 2000-04-26 Richard Henderson <rth@cygnus.com>
444 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
445 commit change group changes.
446 (invert_exp_1): Similarly.
447 (redirect_exp, invert_exp): Use them.
448 (redirect_jump_1): New.
449 (invert_jump_1): New.
450 (jump_optimize_1): Remove code subsumed by condexec.c.
451 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
453 2000-04-26 Richard Henderson <rth@cygnus.com>
455 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
457 * genconfig.c (main): Set all HAVE_foo to 1.
459 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
461 2000-04-26 Alex Samuel <samuel@codesourcery.com>
463 * invoke.texi: Document -fssa flag.
465 2000-04-26 Richard Henderson <rth@cygnus.com>
467 * flow.c (count_reg_sets_1): Remove.
468 (count_reg_sets, count_reg_references): Remove.
469 (recompute_reg_usage): Implement with update_life_info.
470 Reallocate life data.
472 2000-04-26 Richard Henderson <rth@cygnus.com>
474 * flow.c (update_life_info): Consider blocks null to mean the
476 (calculate_global_regs_live): Likewise.
477 (life_analysis): Do that instead of collecting all_blocks.
479 2000-04-26 Richard Henderson <rth@cygnus.com>
481 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
482 a still-valid conditional jump.
484 2000-04-26 Richard Henderson <rth@cygnus.com>
486 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
488 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
489 * flow.c (calculate_loop_depth): Remove.
490 * output.h (calculate_loop_depth): Don't declare.
491 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
492 inline; run estimate_probability at the same time.
494 2000-04-26 Neil Booth <NeilB@earthling.net>
496 * cpplib.h: "~=" is not a single pp-token.
497 * cpplex.c: Correct commentary.
499 2000-04-26 Richard Henderson <rth@cygnus.com>
501 * flow.c (mark_set_1): New arguments code and flags; update all
502 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
503 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
504 loop_depth when optimizing for size. Do new_dead update after
505 emitting REG_UNUSED notes. Merge mark_set_reg code.
506 (mark_set_reg): Remove.
507 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
508 arrange to not emit REG_UNUSED notes.
510 2000-04-26 Richard Henderson <rth@cygnus.com>
512 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
513 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
515 2000-04-26 Richard Henderson <rth@cygnus.com>
517 * flow.c (propagate_one_insn): Break out from propagate_block.
518 (init_propagate_block_info): Likewise.
519 (free_propagate_block_info): Likewise.
520 (propagate_block): Use them. Export.
521 * basic-block.h: Declare them all.
523 2000-04-26 Richard Henderson <rth@cygnus.com>
525 * basic-block.h (life_analysis): Declare here ...
526 * output.h: ... not here.
527 * flow.c (life_analysis): Remove nregs parameter; replace
528 remove_dead_code with flags. Remove ssa dead code check.
529 Only init alias analysis if we'll use it.
530 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
531 * ssa.c (convert_to_ssa): Likewise.
532 (convert_from_ssa): Likewise.
533 * toplev.c (rest_of_compilation): Likewise.
535 2000-04-26 Richard Henderson <rth@cygnus.com>
537 * flow.c (flow_delete_block): Rename from delete_block. Export.
538 * basic-block.h (flow_delete_block): Declare.
540 2000-04-26 David S. Miller <davem@redhat.com>
542 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
543 taking a PATTERN of it.
545 2000-04-26 <NeilB@earthling.net>
547 * cpplex.c (spell_other, spell_char): Remove.
549 (token_spelling, trigraph_map): Use unsigned chars.
550 (_cpp_lex_line): Tidy up the switch statement.
551 * cpplib.h: Implement spell_char with spell_string.
554 2000-04-26 <RodneyBrown@pmsc.com>
556 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
557 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
559 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
561 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
562 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
563 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
564 dwarf2out_return_save, dwarf2out_return_reg,
565 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
566 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
567 gen_compile_unit_die, dwarf2out_init): Constify a char*.
569 * dwarf2out.h (dwarf2out_init): Likewise.
571 * dwarfout.c (filename_entry, primary_filename, last_filename,
572 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
574 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
575 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
576 dwarf2out_return_reg): Likewise.
578 2000-04-26 Andreas Jaeger <aj@suse.de>
580 * extend.texi (Function Attributes): Fix description of pure
583 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
585 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
586 before calling rest_of_compilation.
588 2000-04-26 Andreas Jaeger <aj@suse.de>
590 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
593 2000-04-25 Richard Henderson <rth@cygnus.com>
595 * cse.c (cse_insn): Emit barrier after unconditional jump.
597 * calls.c (expand_call): Disable tail call generation once
598 rtx_equal_function_value_matters is false.
600 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
603 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
605 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
607 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
609 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
610 is the primary DIE for a member function.
611 (gen_decl_die): Call set_decl_origin_self here.
612 * dwarfout.c (output_decl): And here.
613 * integrate.c (output_inline_function): Not here.
614 Don't clear DECL_INLINE until after calling rest_of_compilation.
615 (set_decl_origin_self): No longer static.
616 * tree.h: Add prototype.
617 * toplev.c (note_deferral_of_defined_inline_function): Only write
618 out abstract instance for actual inlines.
620 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
622 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
623 EXTENDED_REGS only if TARGET_AM33.
624 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
625 SP_REGS to register allocation and reloading unless absolutely
627 (movsi3): Remove special-case of adding non-constants to SP.
629 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
631 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
632 INCLUDES to search and does not provide any of its own. Also it
633 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
634 parameters. Also it does not call AC_DEFINE.
635 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
636 AC_DEFINE and provides for automatic entries for autoheader.
637 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
639 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
640 so we can pass -I flags and include gansidecl.h/system.h in this
643 * acconfig.h: Delete all NEED_DECLARATION_* entries.
645 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
647 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
648 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
649 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
651 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
652 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
653 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
654 for these macros. Clean up spacing and linewraps.
656 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
658 * calls.c (expand_call): Use get_callee_fndecl.
660 * print-tree.c (print_node): Print the chain of an _EXPR.
662 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
663 Jim Wilson <wilson@cygnus.com>
664 Andrew Haley <aph@cygnus.com>
666 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
667 and gp save/restore problems.
668 * config/ia64/crtend.asm: Add IA-64 unwind support.
669 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
670 in fr_pad_size calculation.
671 (save_restore_insns): Move PR save area. Correct uses of
673 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
674 (ia64_expand_epilogue): Add eh_epilogue support.
675 (ia64_function_prologue): Emit .prologue directive.
676 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
677 (ia64_override_options): Set init_machine_status and
679 (rtx_needs_barrier): Handle bsp reads and writes.
680 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
681 New static variables.
682 (process_set, process_for_unwind_directive): New functions.
683 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
684 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
685 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
687 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
688 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
689 (struct machine_function): Define.
690 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
692 2000-04-25 Bruce Korb <bkorb@gnu.org>
694 * fixinc/Makefile.in: make the removal of old programs more
696 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
697 install-bin and install-sh
699 2000-04-25 Nick Clifton <nickc@cygnus.com>
701 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
702 defined, define to return zero.
703 (function_cannot_inline_p): If a function has any target
704 specific attributes, then use the macro
705 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
706 whether it can be inlined. If it cannot, issue a suitable
709 * tm.texi: Add a new node 'Inlining' to document the new macro
710 FUNCTION_ATTRIBUTE_INLINABLE_P.
712 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
714 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
717 2000-04-25 Neil Booth <NeilB@earthling.net>
719 Restore previous patch, plus the following fixes:
721 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
722 flags, not CPP_OPEN_PAREN.
723 * cpplex.c (expand_token_space, init_token_list,
724 cpp_free_token_list): Put the dummy token at list->tokens[-1].
725 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
727 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
729 * config/i386/freebsd.h (INT_ASM_OP): Define.
731 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
733 * loop.c (strength_reduce): Fix typo in the last checkin.
735 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
737 * stor-layout.c (finalize_record_size): Simplify to use existing
739 (compute_record_mode): No longer static.
740 * tree.h (compute_record_mode): New declaration.
742 2000-04-25 Neil Booth <NeilB@earthling.net>
744 * Revert my patch below until cause of build failures
747 2000-04-25 Richard Henderson <rth@cygnus.com>
749 * combine.c (combine_instructions): Add missing argument
752 * toplev.c (rest_of_compilation): Delay sibcall optimization
753 until after emit_eh_context.
755 2000-04-24 Nick Clifton <nickc@redhat.com>
757 * combine.c (combine_instructions): Do not try to combine a
758 sequence of insns when the second insn has been replaced by a
761 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
763 * gcc.c (load_specs): New static function.
764 (read_specs): Use it.
766 * gcc.c (lookup_compiler): Make multiple passes for case
767 insensitive filesystems.
769 2000-04-24 Neil Booth <NeilB@earthling.net>
771 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
772 * cpphash.h (_cpp_check_directive): new.
773 * cpplex.c (handle_newline, cpp_free_token_list,
774 init_trigraph_map, trigraph_ok, trigraph_replace,
775 backslash_start, skip_block_comment, skip_line_comment,
776 skip_whitespace, parse_name, parse_number, parse_string,
777 copy_comment, _cpp_lex_line, spell_char, spell_string,
778 spell_comment, spell_name, spell_other, _cpp_lex_file,
779 _cpp_output_list): new.
780 (expand_name_space): take length argument.
781 (init_token_list): add comment list initialisation.
782 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
783 instead of HSPACE_BEFORE.
785 * cpplib.c (_cpp_check_directive): new
786 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
787 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
788 (HSPACE_BEFORE): delete.
789 (TTYPE_TABLE): rearrange.
790 (struct cpp_toklist): update.
792 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
794 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
795 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
796 argument form of AC_DEFINE.
798 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
799 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
800 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
801 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
802 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
804 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
806 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
808 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
809 deduced.h): Use -isystem, not -I, for including system headers.
811 2000-04-24 Nick Clifton <nickc@cygnus.com>
813 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
814 the source register is the frame pointer or arg pointer.
815 (addsi3_small_int): Disallow if source register is the frame
816 pointer or arg pointer.
818 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
820 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
821 call to AC_MSG_RESULT.
823 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
825 * invoke.texi: Correct grammatical errors, document
826 -fno-gnu-keywords as identical to -fno-asm for C++.
828 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
831 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
832 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
833 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
834 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
836 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
837 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
838 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
839 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
842 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
844 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
845 (pop_alignment): Likewise.
846 (handle_pragma_token): Likewise.
848 2000-04-24 Robert Lipe <robertlipe@usa.net>
850 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
852 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
854 * combine.c (try_combine): Update reg_nonzero_bits of
855 newi2pat before newpat.
857 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
859 * loop.c (strength_reduce): Simplify test to INSN_P.
860 (record_giv): Attempt to simplify the add value, use CONSTANT_P
861 expressions instead of CONST_INT.
862 (express_from_1): Likewise.
864 2000-04-24 Mark Mitchell <mark@codesourcery.com>
866 * regs.h (reg_n_max): Don't declare.
867 * flow.c (reg_n_max): Don't define.
868 * regclass.c (renumber): Don't initialize to zero.
869 (regno_allocated): Likewise.
871 (allocate_reg_info): Don't initialize unnecessarily.
873 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
875 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
876 and blockage_p in the newly allocated attribute.
878 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
880 * config/mn10300/mn10300.md (addsi): `inc4' on address
881 registers does not modify cc, but `inc' on an extended
884 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
886 * reload.c (find_equiv_reg): Checks all valueno regs
887 as a reload_reg_p regs.
889 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
891 * cpphash.c (collect_objlike_expansion): Add sanity check.
892 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
893 the buffer is the empty string, return. Mark __DATE__ and
894 __TIME__ as XCONST nodes, not MCONST.
895 (_cpp_macroexpand): Avoid pushing an empty buffer.
896 (funlike_macroexpand): Don't pop token_buffer here.
898 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
900 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
901 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
902 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
903 (REGNO_OK_FOR_BASE_P): Define in terms of them.
904 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
905 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
906 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
908 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
910 * loop.c (simplify_giv_expr): Be more agressive on simplifying
913 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
915 * cpphash.h (struct definition): Move file, line, col members...
916 (struct hashnode): ... here. Also add 'disabled' flag.
917 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
918 T_IDENTITY. Remove T_DISABLED.
921 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
922 (collect_expansion): Split into collect_objlike_expansion and
923 collect_funlike_expansion.
924 (_cpp_macroexpand): Split out scan_arguments, stringify, and
926 (_cpp_compare_defs): Rename compare_defs, make static.
927 (_cpp_make_hashnode): Initialize hp->disabled.
928 (macro_cleanup): Adjust for new token types. Clear
930 (_cpp_create_definition): Move code here to determine what
931 sort of macro it is, and code to check for redefinitions, from
932 do_define. Implement a few simple cases without creating a
934 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
935 Handle the simple cases.
936 (push_macro_expansion): Set buf->has_escapes and hp->disabled
939 * cppinit.c (builtin_array): Change MCONST to XCONST
941 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
942 fix check for disabled and function-like macros.
943 * cpplib.c (do_define): Move most logic to
944 _cpp_create_definition.
945 (do_undef): Handle new special token types.
947 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
949 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
950 of CONSTANT_P for mult_val; always use validate_change to update insn.
952 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
954 * cpphash.c (trad_stringify, add_pat): New functions.
955 (collect_expansion): Restore support for -traditional syntax.
956 Use trad_stringify and add_pat.
957 (_cpp_macroexpand): Restore support for -traditional semantics.
958 * cpplex.c (_cpp_scan_line): Don't change space_before if we
960 (_cpp_lex_token): Provide COMMENT tokens to caller if
961 traditional and parsing_define_directive.
962 (skip_comment): Warn about // comments if -Wtraditional.
963 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
965 (do_undef): Don't warn about undefining EMPTY nodes.
967 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
969 * loop.c (strength_reduce): Fix biv removal code.
971 2000-04-22 Richard Henderson <rth@cygnus.com>
973 * predict.c (estimate_probability): Examine both sides of
974 a branch for no exits. Use 90% not 50% for predict taken.
975 Reorg for one copy of note generation code.
977 2000-04-22 Richard Henderson <rth@cygnus.com>
979 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
981 2000-04-22 Richard Henderson <rth@cygnus.com>
983 * diagnostic.c (init_output_buffer): Don't initialize format_args.
984 (output_clear): Likewise.
985 (output_printf): Use va_copy.
986 (vline_wrapper_message_with_location): Likewise.
987 (v_message_with_decl): Likewise.
988 (line_wrapper_printf): VA_START infor buffer.format_args directly.
989 * system.h (va_copy): Provide default implementation.
991 2000-04-22 Richard Henderson <rth@cygnus.com>
993 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
994 the collected condition is not a constant.
996 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
998 * diagnostic.h: New file.
1000 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1002 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1003 various function prototypes.
1004 (diagnostic.h): #include.
1005 (struct output_buffer): Move into diagnostic.h.
1006 (get_output_prefix): Rename to output_get_prefix. Export.
1007 (init_output_buffer): Export. Break out. Ajust intialization.
1008 (output_space_left, output_append): Export.
1009 (output_newline): Rename to output_add_newline. Export.
1010 (output_clear): Nullify additional output_buffer fields.
1011 (output_puts): Rename to output_add_string. Export.
1012 (dump_output): Rename to output_flush_on. Export.
1013 (build_location_prefix): Constify return-type.
1014 (emit_output_prefix): Rename to output_emit_prefix. Export.
1015 (set_real_maximum_length): New function.
1016 (output_set_maximum_length): Ditto
1017 (output_clear): Ditto.
1018 (output_add_character): Ditto.
1019 (output_add_integer): Ditto.
1020 (output_add_space): Ditto.
1021 (output_format): Ditto.
1022 (output_printf): Adjust buffer initialization.
1023 (vline_wrapper_message_with_location): Ditto.
1024 (v_message_with_decl): Ditto. Adjust call to output_puts
1025 and get_output_prefix.
1026 (default_print_error_function): Adjust buffer intialization.
1028 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1030 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1033 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1035 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1038 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1040 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1041 accurate data about SP moves.
1043 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1045 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1046 aliases to AM33 registers.
1048 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1050 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1051 to all EXTENDED bitmaps.
1053 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1055 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1056 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1057 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1059 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1061 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1062 the operand is not constant.
1064 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1066 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1067 as a call-clobbered regs.
1069 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1071 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1073 * rtl.def: Update comment.
1074 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1075 * integrate.c (expand_inline_function): Likewise.
1076 * profile.c (branch_prob): Likewise.
1077 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1078 * print-rtl.c (print_rtx): Likewise.
1079 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1080 (reemit_notes): Likewise; also use enum insn_note.
1082 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1083 (place_field): Properly compute know and actual alignment.
1085 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1088 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1091 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1093 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1094 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1095 (collect_expansion): Rewrite to scan over a token list.
1096 Remove -traditional support.
1097 (collect_formal_parameters): Rename to collect_params; rewrite
1098 to scan over a token list.
1099 (_cpp_create_definition): Adjust to scan a token list.
1100 (_cpp_macroexpand): Remove -traditional support.
1101 (_cpp_compare_defs): Whitespace is now canonicalized.
1102 (comp_def_part): Delete function.
1104 * cpphash.h: Update prototypes.
1105 * cpplex.c (init_token_list): Don't set lineno if there is no
1107 (pedantic_whitespace): New function.
1108 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1109 consume a newline. Use pedantic_whitespace.
1110 (_cpp_lex_token): Remove support for -traditional macros.
1111 (_cpp_get_define_token): Delete.
1112 (_cpp_get_directive_token): Do the real work here. Use
1113 pedantic_whitespace.
1114 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1116 * cpplib.c (get_macro_name): Delete.
1117 (do_define): Read the entire line into pfile->directbuf, then
1118 feed the token list to _cpp_create_definition.
1119 * cpplib.h (HSPACE_BEFORE): new define.
1120 (struct cpp_reader): Add a toklist member, "directbuf".
1122 * predict.c (estimate_probability): New heuristic: if a jump
1123 branches around a block with no successors, predict it taken.
1124 Disentangle control flow.
1126 2000-04-20 Richard Henderson <rth@cygnus.com>
1128 * loop.c (emit_iv_add_mult): Revert last change.
1130 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1132 * cpplib.h (enum cpp_ttype): Add token types for all
1133 punctuators. Distinguish pp-numbers from valid C numbers.
1134 Give some tokens better names. Initialize from macro.
1135 (struct cpp_name, cpp_token, cpp_toklist): New data
1138 * cpplex.c (bump_column, expand_name_space,
1139 expand_token_space, init_token_list, cpp_output_list,
1140 _cpp_scan_line): New functions.
1141 (output_line_command): Add third argument, new line number.
1142 * cpphash.h: Update prototypes.
1143 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1146 2000-04-20 Richard Henderson <rth@cygnus.com>
1148 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1150 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1152 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1155 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1157 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1158 REG_EQUAL note explaining the calculated value.
1160 * calls.c (expand_call): Avoid unnecesary precalculation
1161 and outgoing parameters space guarding for sibling calls.
1162 (store_one_arg): Likewise.
1164 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1166 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1167 (rest_of_compilation): Write sibling dump file and account
1168 for time as jump time.
1169 * invoke.texi: Update documentation on dump flags.
1171 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1173 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1175 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1177 * cpphash.c (special_symbol): Represent an empty macro with
1178 "\r \r " not just "\r ".
1179 (_cpp_macroexpand): Correct condition for the foo ( ) special
1181 (unsafe_chars): Handle EOF as second argument.
1182 (push_macro_expansion): Simplify test for removing escape at
1183 end. Do not trim both escapes if there is no text in between.
1185 2000-04-19 Jim Blandy <jimb@redhat.com>
1187 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1188 of PTR_SIZE, when appropriate.
1190 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1192 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1193 (USE_ENUM_BITFIELDS): Fix typo.
1195 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1197 * stor-layout.c (place_field): Set rli->offset_align properly.
1199 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1201 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1202 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1203 PARM_BOUNDARY): Remove unnecessary casts.
1205 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1207 * calls.c (precompute_arguments): Remove must_preallocate and
1209 (expand_call): Update call of precompute_arguments.
1211 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1212 check_insn_for_givs): Break out from ...
1213 (strength_reduce) ... here; use for_every_insn_in_loop to call
1214 check_insn_for_givs.
1215 * loop.h (for_every_insn_in_loop): Declare.
1216 (loop_insn_callback): New type.
1218 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1220 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1223 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1225 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1228 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1230 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1232 * configure.in: Delete --disable-cpplib option and all
1233 references to cpp_main.
1234 * configure: Regenerate.
1235 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1236 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1237 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1238 cpp$(exeext). Add --no-headers to makeinfo command line when
1239 generating INSTALL. Install and uninstall cpp.1 manpage, not
1241 * install.texi: Delete all references to cexp.y/cexp.c.
1242 Delete ancient instructions for compiling GCC on 3b1.
1243 * INSTALL: Regenerate.
1245 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1246 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1247 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1249 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1250 which is no longer tested anywhere.
1252 * cppinit.c (handle_option): Don't run error message through
1255 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1257 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1258 * cpperror.c (hashtab.h): Now include.
1259 * cppexp.c (hashtab.h): Likewise.
1260 * cpplex.c (hashtab.h): Likewise.
1261 * cppfiles.c (hashtab.h): Likewise.
1262 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1263 to htab_find_slot_with_hash.
1264 * cpphash.c (hashtab.h): Now include.
1265 (_cpp_lookup_slot): INSERT is now enum insert_option.
1266 * cpphash.h (_cpp_lookup_slot): Likewise.
1267 * cppinit.c (hashtab.h): Include earlier.
1268 (initialize_builtins): Pass enum to htab_find_slot.
1269 * cpplib.c (hashtab.h): Now include.
1270 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1271 (do_pragma_poison, do_assert): Likewise.
1272 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1273 htab_find_slot_with_hash.
1274 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1275 * tree.c (type_hash_add): Likewise.
1276 (build1): Minor cleanup.
1278 * ggc-common.c: Add missing blanks.
1279 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1280 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1282 * stmt.c (mark_case_node): New function.
1283 (mark_case_nesting): Call it.
1285 * expmed.c (emit_store_flag): If comparing two-word integer
1286 with zero, can optimize NE, EQ, GE, and LT.
1288 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1289 * conflict.c: Minor cleanups.
1290 * optabs.c: Add blank line
1291 * simplify-rtx.c: Minor cleanups.
1293 2000-04-18 Stan Cox <scox@cygnus.com>
1295 * gengenrtl.c (genlegend): Fix misspelling.
1297 2000-04-18 Robert Lipe <robertlipe@usa.net>
1299 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1300 bitfields of the host compiler are not signed quantities.
1301 * config.in: Regenerate.
1302 * configure: Regenerate.
1303 * system.h (USE_ENUM_BITFIELDS): Added.
1304 (ENUM_BITFIELDS): Added.
1305 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1306 (SHORT_ENUM_BUG): Deleted.
1307 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1309 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1310 (CODE_FIELD_BUG): Likewise.
1311 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1313 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1315 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1317 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1320 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1322 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1323 * cpplib.c (do_include, do_import, do_include_next,
1324 read_line_number, detect_if_not_defined): Likewise.
1325 * cpphash.c (collect_expansion): Likewise.
1326 (special_symbol, _cpp_macroexpand): Check return from
1328 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1329 macros. Delete all uses.
1331 * gcc.dg/cpp-mi.c: Add two more test cases.
1332 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1334 2000-04-17 Richard Henderson <rth@cygnus.com>
1336 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1337 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1339 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1341 * function.c (expand_function_start): Use hard_function_value to
1342 compute the RTL to use for DECL_RESULT.
1344 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1346 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1347 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1348 x86_memory_mismatch_stall): New global variables.
1349 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1350 alloved; fix load penalties for Athlon.
1351 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1352 x86_memory_mismatch_stall): Declare.
1353 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1354 TARGET_MEMORY_MISMATCH_STALL): New.
1355 * i386.md (athlon scheduling parameters): Fix latencies according to
1356 Athlon Optimization Manual.
1357 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1359 (fsqrt instruction patterns): Set athlon_decode to direct.
1360 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1361 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1362 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1363 and TARGET_PARTIAL_REGISTER_STALL machines.
1364 (pushdf_nointeger): New pattern.
1365 (pushdf_integer): Rename from pushdf.
1366 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1367 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1369 2000-04-17 Richard Henderson <rth@cygnus.com>
1371 * loop.c (canonicalize_condition): Add WANT_REG argument.
1372 Stop the search if we match it.
1373 * expr.h (canonicalize_condition): Update decl.
1374 * predict.c (expected_value_to_br_prob): Use it. Track last
1375 expected value note.
1376 (find_expected_value): Remove.
1378 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1380 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1382 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1383 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1385 * configure.in: Call AC_FUNC_MMAP_FILE.
1386 * configure: Regenerate.
1387 * config.in: Regenerate.
1389 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1390 * fixinc/fixincl.c: Likewise.
1392 2000-04-17 Richard Henderson <rth@cygnus.com>
1394 * builtins.c (expand_builtin_expect): New.
1395 (expand_builtin): Call it.
1396 * builtins.def (BUILT_IN_EXPECT): New.
1397 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1398 * extend.texi: Document it.
1400 * predict.c (expected_value_to_br_prob): New.
1401 (find_expected_value): New.
1402 * basic-block.h (expected_value_to_br_prob): Declare.
1403 * toplev.c (rest_of_compilation): Invoke it.
1405 * rtl.h (NOTE_EXPECTED_VALUE): New.
1406 (NOTE_INSN_EXPECTED_VALUE): New.
1407 * rtl.c (note_insn_name): Update.
1408 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1409 cases; handle NOTE_INSN_EXPECTED_VALUE.
1411 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1413 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1414 leaf sibcall delay slot if flag_pic.
1415 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1417 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1419 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1421 * fixproto: If fix-header fails, exit with an error.
1423 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1425 * cse.c (struct check_depdendence_data): New.
1426 (check_dependence): New function.
1427 (invalidate): Use check_depdenence.
1429 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1431 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1432 UNITS_PER_WORD is unsigned.
1434 * tree.h (struct tree_common): Remove misleading comment.
1436 2000-04-16 Dave Pitts <dpitts@cozx.com>
1438 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1439 message in quotes. Otherwise, IBM's make program treats the '#' as the
1440 start of a comment and ignores the remainder of the line.
1442 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1444 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1445 * cexp.y (initialize_random_junk): Likewise.
1446 * cppfiles.c (find_include_file): Cast alloca return value.
1447 * cppinit.c (initialize_standard_includes): Likewise.
1448 * cpplib.c (cpp_define, cpp_undef): Likewise.
1449 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1450 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1451 * fold-const.c (CHARMASK): New.
1452 (real_hex_to_f): Use it.
1453 * real.c (CHARMASK): New.
1454 (etoasc, asctoeg): Use it.
1455 (asctoeg): EBCDIC lower case characters preceed upper case.
1457 * i370.c (mvs_add_label): Change spacing for coding conventions.
1458 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1459 outputing case vectors.
1460 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1461 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1462 since vector in in the data CSECT.
1463 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1464 * i370.md (Many patterns): Put the length in the XL directives.
1465 (movdi): Put back STM and MVC in definition.
1466 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1467 pattern using the TCA.
1468 * oe.h (CPP_SPEC): Added to allow trigraphs.
1469 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1470 not support the "long long" type.
1472 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1474 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1476 (mips_reg_mode_ok_for_base_p): Likewise.
1477 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1478 (REG_OK_FOR_INDEX_P): Define unconditionally.
1479 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1480 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1481 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1482 that GET_MODE_SIZE is unsigned.
1483 (mips_reg_mode_ok_for_base_p): Define.
1484 (mips_legitimate_address_p): Likewise. Adjust now
1485 that GET_MODE_SIZE is unsigned.
1486 (block_move_loop): Make the number of bytes unsigned.
1487 (expand_block_move): Likewise.
1488 (function_arg): Make the loop counter unsigned to match the
1491 2000-04-16 Richard Henderson <rth@cygnus.com>
1493 * rtl.h (enum insn_note): New enumeration. Subsume
1494 NOTE_INSN_DELETED and friends.
1495 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1496 * rtl.c (note_insn_name): Tweak string order.
1498 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1500 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1503 * cpplex.c (output_line_command): Remove debugging prints.
1504 (cpp_output_tokens): Don't write out a zero-length buffer or
1505 try to see if it has a newline in it.
1506 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1507 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1508 the end of the loop. Use memmove. Don't read past the end of
1509 the buffer. Remove trailing newlines from error messages.
1511 2004-04-16 Neil Booth <NeilB@earthling.net>
1513 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1514 * cpplib.c: Add new syntax flags to directive table, and
1517 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1519 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1522 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1524 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1525 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1527 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1529 * Makefile.in (ggc-page.o): Now includes toplev.h.
1530 * ggc-page.c (toplev.h): Now included.
1531 (gc_time): Remove declaration.
1532 (ggc_collect): TIME now long.
1533 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1535 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1537 * toplev.c: Make *_time variable long to reduce chance of overflow.
1538 (TIMEVAR): Likewise for `otime'.
1539 (print_time): Arg is now long; compute percentage in FP and round.
1540 * toplev.h (print_time): Arg is long.
1542 * tree.c: Minor whitespace changes.
1544 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1545 * configure: Rebuilt.
1546 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1547 (__fixunsxfDI): Renamed from __fixunsxfdi.
1548 (__fixunsdfDI): Renamed from __fixunsdfdi.
1549 (__fixunssfDI): Renamed from __fixunssfdi.
1550 (__floatdisf): Use proper type in REP_BIT macro.
1551 (__fixunsxfSI): Renamed from __fixunsxfsi.
1552 (__fixunsdfSI): Renamed from __fixunsdfsi.
1553 (__fixunssfSI): Renamed from __fixunssfsi.
1554 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1555 Change location of macros and upper-case some names as above.
1556 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1557 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1559 * varasm.c (assemble_variable): Add cast to remove warning.
1560 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1562 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1563 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1564 region number to -1.
1566 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1568 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1569 call unshare_all_rtl.
1571 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1573 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1575 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1576 Use .s1 not .s0 for all FP instructions.
1578 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1580 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1582 (safe_fwrite, output_line_command): New static functions.
1583 (cpp_expand_to_buffer): Now private to cpplib.
1584 (cpp_scan_buffer): Take a printer.
1586 * cpphash.h: Update prototypes.
1587 * cpplib.h: Update prototypes.
1589 (cpp_buffer): Remove last_nominal_fname.
1590 (cpp_reader): Remove lineno.
1592 * cppmain.c: Use a cpp_printer.
1593 * fix-header.c: No need to inhibit line commands. Call
1594 cpp_start_read with no printer.
1596 * cpperror.c (cpp_notice_from_errno): Provide default name.
1597 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1598 (find_include_file, cpp_read_file): Use make_IHASH.
1599 (file_cleanup): Set control_macro and clear
1600 input_stack_listing_current here.
1601 (_cpp_execute_include): Don't output entering-file marker.
1602 * cpphash.c (special_symbol): Look for the line number in the
1603 buffer, not the reader.
1604 (_cpp_macroexpand): No need to disable line commands.
1605 (_cpp_dump_definition): No need to generate line commands.
1606 (dump_hash_helper): Remove excess newline from output.
1607 * cppinit.c (dump_special_to_buffer): No need to generate line
1609 (cpp_printer_init): New.
1610 (cpp_start_read): Take a printer, and start it up if it's not
1611 NULL. No need to generate line commands.
1612 (cpp_finish): Expect no buffers stacked at all. Take a
1613 printer argument, and flush the output buffer if it's not
1615 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1616 Don't put two hashes at the beginning of an assertion.
1617 (cpp_get_token): Don't increment pfile->lineno or emit line
1618 commands here. Return EOF if there's no buffer when we get
1620 * cpplib.c (do_define, skip_if_group):
1621 No need to disable line commands.
1622 (_cpp_output_line_command): Delete function.
1623 (do_line): Don't emit line commands here, but set things up so
1624 they will be emitted if necessary. Use _cpp_fake_ihash to
1625 make unique nominal_fnames if necessary.
1626 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1627 with 0 for column, not -1.
1628 (_cpp_handle_eof): Don't set the control macro here. Don't
1629 clear input_stack_listing_current here. Don't emit line
1632 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1634 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1635 always, use the default SVR4 start address.
1637 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1638 (LINK_SHLIB_SPEC): Define.
1639 (LINK_START_DEFAULT_SPEC): Define.
1640 (LINK_OS_DEFAULT_SPEC): Define.
1642 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1644 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1645 __do_global_ctors to handle constructors.
1646 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1647 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1648 (STARTFILE_MVME_SPEC): Likewise.
1649 (STARTFILE_SIM_SPEC): Likewise.
1650 (ENDFILE_ADS_SPEC): Use crtend.
1651 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1652 (ENDFILE_MVME_SPEC): Likewise.
1653 (ENDFILE_SIM_SPEC): Likewise.
1654 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1655 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1656 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1657 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1658 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1659 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1660 (CRTSTUFF_T_CFLAGS_S): Define.
1661 * config/rs6000/eabi-ctors.c: Delete.
1663 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1666 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1670 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1672 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1673 plus mask size is smaller or equal to the mode size.
1675 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1677 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1680 * expr.c (reload.h): Now included.
1681 (emit_block_move): Set volatile_ok when checking for movstr.
1682 (emit_move_1): Check for replacements in addresses in multi-word case.
1683 * Makefile.in (expr.o): Now includes reload.h.
1685 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1686 Never have a LIBCALL end a basic block.
1687 (find_basic_blocks_1): Likewise.
1688 Reorganize CALL_INSN cases.
1690 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1692 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1694 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1695 completers from mov.ret instruction.
1697 2000-04-14 Richard Henderson <rth@cygnus.com>
1699 * fold-const.c (extract_muldiv): Don't distribute and widen
1700 multiply across plus for non-sizetype unsigned types.
1702 2000-04-14 Richard Henderson <rth@cygnus.com>
1704 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1705 If the original source is dead in the incr insn, it's dead now.
1707 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1709 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1710 see if DECL_BIT_FIELD needs to still be set.
1712 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1714 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1715 print_int_cst_octal with something that's not an INTEGER_CST.
1717 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1718 and not a SUBREG to a FLOAT rtl.
1720 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1722 * emit-rtl.c (try_split): Avoid infinite loop if the split
1723 results in a sequence that contains the original insn.
1725 2000-04-13 Andreas Jaeger <aj@suse.de>
1727 * config/mips/mips.c (expand_block_move): Pass alignment
1728 argument to move_by_pieces in bits, not bytes.
1730 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1731 __pic__ for little endian.
1733 2000-04-13 Andreas Jaeger <aj@suse.de>
1735 * config/i386/i386-protos.h: Add prototype for
1736 uno_comparison_operator.
1738 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1740 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1741 * calls.c (ECF_PURE): New flag.
1742 (emit_call_1): Handle ECF_PURE calls.
1743 (initialize_argument_information): Unset ECF_PURE flag too.
1744 (precompute_arguments): Precompute for ECF_PURE too.
1745 (expand_call): Handle ECF_PURE calls too.
1746 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1747 accept value of 2 as pure function.
1748 (emit_library_call_value, emit_library_call): Rename no_queue argument
1750 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1752 * tree.h (DECL_IS_PURE): New macro.
1753 (struct tree_decl): Add pure_flag.
1754 * c-common.c (enum attrs): Add attribute "pure".
1755 (init_attributes): Initialize attribute "pure"
1756 (decl_attributes): Handle attribute "pure".
1757 * extend.texi (Attribute "pure"): Document.
1758 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1760 (flags_from_decl_or_type): Support attribute "pure".
1762 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1764 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1765 the token except for numbers and identifiers.
1767 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1769 * i386.c (ix86_expand_binary_operator,
1770 ix86_expand_unary_operator): Check no_new_pseudos
1771 instead of reload_in_progress and reload_completed.
1772 (ix86_split_ashldi, ix86_split_ashrdi,
1773 ix86_split_lshrdi): Check no_new_pseudos instead
1774 of reload_completed.
1776 2000-04-12 Jeffrey A Law (law@cygnus.com)
1778 * function.c (purge_addressof): Unshare any shared rtl created by
1779 purge_addressof and its children.
1781 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1783 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1786 2000-04-05 Andreas Jaeger <aj@suse.de>
1788 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1789 not compiling PIC code, add flags for mabi=64.
1790 (SUBTARGET_CPP_SIZE_SPEC): New.
1791 (SUBTARGET_CPP_SPEC): New.
1792 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1793 for MIPS/Linux and lots of code needs these defines.
1795 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1797 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1798 trying the "opposite arithmetic" approach.
1800 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1802 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1803 (struct sh_args): Add new field force_mem.
1804 (INIT_CUMULATIVE_ARGS): Initialize it.
1805 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1807 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1809 * calls.c (expand_call): Do not reverse args in "equal from" field.
1810 (emit_library_call_value_1): Emit_libcall_block for const and pure
1813 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1815 * reload1.c (reload_combine): Don't enable optimization for fixed
1816 registers when encountering a BARRIER.
1818 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1820 * builtins.c (expand_builtin_memcmp): Do expansion even with
1821 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1823 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1824 stack is propertly aligned; add sanity checking for aligned
1826 (expand_library_call_value_1): Add sanity checking for aligned
1829 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1831 * calls.c (emit_library_call_value_1): Change 3rd arg to
1832 locate_and_pad_parm to disregard the setting of partial.
1834 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1836 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1838 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1839 CALL_INSN from the normal case.
1841 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1843 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1844 New global variables.
1845 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1847 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1849 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1850 TARGET_ADD_ESP_8): New macros.
1851 * i386.md: Add peep2s to convert esp adjustments to push and pop
1853 (pushsi_prologue, popsi_epilogue): New patterns.
1855 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1857 * real.c (toe64): Remove stale #endif from the last change.
1859 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1861 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1862 * real.c (toe64): Revert previous change.
1864 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1866 * objc/objc-act.c: Include ggc.h.
1867 (objc_tree_index, objc_global_trees): Convert most of the
1868 static tree variables into a static array with previous names
1870 (objc_ellipsis_node): New variable.
1871 (lang_init): Call objc_act_parse_init and c_parse_init.
1872 Create objc_ellipsis_node.
1873 (build_selector_translation_table): Use objc_ellipsis_node instead
1875 (hack_method_prototype): Likewise.
1876 (get_arg_type_list): Likewise.
1877 (start_method_def): Likewise.
1878 (continue_method_def): Likewise.
1879 (gen_method_decl): Likewise.
1880 (ggc_mark_imp_list): New function.
1881 (ggc_mark_hash_table): New function.
1882 (objc_act_parse_init): New function.
1883 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1884 * c-parse.in (c_parse_init): For objc add roots of objc specific
1885 local tree variables.
1886 * objc/objc-parse.y: Rebuilt.
1887 * objc/objc-parse.c: Rebuilt.
1888 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1890 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1892 * cse.c (delete_trivially_dead_insns): Also delete insns
1893 that copy a register to itself where the destination is
1896 2000-04-11 Richard Henderson <rth@cygnus.com>
1898 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1899 (propagate_block): Initialize them. Use them in parallel instead
1900 of one tmp variable, ie revert much of the 0408 and 0407 functional
1901 changes, but keep the structural changes.
1902 (mark_set_regs): Take new_dead from propagate_block_info instead.
1903 (mark_set_1, mark_set_reg): Likewise.
1904 (mark_used_regs): Likewise with new_live.
1905 (mark_used_reg): Likewise. Revert 0408 change.
1907 2000-04-11 Nick Clifton <nickc@cygnus.com>
1909 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1911 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1913 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1915 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1916 const section to output a CONSTRUCTOR based on the same conditions
1919 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1921 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1922 * pa/pa-protos.h (output_call): Add additional argument indicating
1923 if the call is a sibling/tail call.
1924 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1925 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1926 (function_arg, function_arg_partial_nregs): Likewise
1927 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1928 (emit_move_sequence): Zero extend certain constants as needed
1930 (compute_zdepdi_operands, output_64bit_and): New functions.
1931 (output_64bit_ior, function_arg): Likewise.
1932 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1933 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1934 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1935 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1936 (output_bvb): Likewise.
1937 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1938 (output_call): New argument 'sibcall'. Generate sibcall sequences
1940 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1941 (ouput_arg_descriptor): Do not emit argument descriptors for
1943 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1945 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1946 (FUNCTION_OK_FOR_SIBALL): Define.
1947 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1948 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1949 (CPP_SPEC): Use new spec infrastructure.
1950 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1951 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1952 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1953 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1954 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1955 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1956 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1957 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1958 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1959 (FUNCTION_ARG); Call out to C code.
1960 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1961 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1962 (MIN_UNITS_PER_WORD): Likewise.
1963 * pa/pa.md (cmpdi): New expander.
1964 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1965 (64bit conditional arithmetic): New patterns.
1966 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1967 (movsicc): Not available if modes on all the operands to not match.
1968 (movdicc): New expander and associated patterns.
1969 (64bit branches): New patterns.
1970 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1971 (pre_ldd, post_std): New patterns.
1972 (64bit addil, load low part): New patterns.
1973 (special movsf constant): Not available for TARGET_64BIT.
1974 (movsf, movdf expanders): Force constants into memory.
1975 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1976 (64bit movdf/movdi patterns): New patterns.
1977 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1979 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1980 (adddi3 expander): Allow "arith_operand" for second input.
1981 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1982 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1983 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1984 (muldi3): New expander for TARGET_64BIT.
1985 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1987 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1988 patterns for TARGET_64BIT.
1989 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1990 patterns for TARGET_64BIT.
1991 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1992 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1993 (sibcall_epilogue): New expander.
1994 (casesi): Tweak for TARGET_64BIT.
1995 (call expanders): Set & use the outgoing argument pointer. Use the
1996 64bit call patterns as needed. Add additional arg to output_call.
1997 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1998 (sibcall, sibcall_internal_symref): New expanders.
1999 (sibcall_value, sibcall_value_internal_symref
2000 (interspace_jump): Turn into an expander + matching patterns.
2001 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2002 * pa/pa64-regs.h: Eliminate trigraph sequences.
2003 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2005 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2007 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2008 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2009 cpp_token with cpp_ttype everywhere.
2010 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2011 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2012 CPP_BUF_COL. Line and column numbers are unsigned int, not
2014 * cpplex.c (cpp_buf_line_and_col): Delete.
2015 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2016 'long lineno' to 'unsigned int lineno'.
2017 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2019 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2021 * extend.texi: ISO C99 is not a draft anymore.
2022 * invoke.texi: ISO C++ is not a draft anymore.
2023 * cpp.texi: __cplusplus is required by the ISO standard.
2025 * extend.texi (-fthis-is-variable): Undocument.
2026 * flags.h (warn_template_debugging): Remove declaration.
2027 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2028 -Wenum-clash, -Wtemplate-debugging): Undocument.
2030 2000-04-10 Nick Clifton <nickc@cygnus.com>
2032 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2034 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2036 (ARM_SIGN_EXTEND): Use HOST_UINT.
2037 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2038 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2039 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2040 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2042 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2043 (arm_gen_constant): Use HOST_UINT.
2044 (arm_canonicalize_constant): Use HOST_UINT.
2045 (arm_reload_in_hi): Use HOST_UINT.
2046 (arm_reload_out_hi): Use HOST_UINT.
2047 (output_multi_immediate): Use HOST_UINT.
2048 (int_log2): Use HOST_UINT.
2049 (arm_poke_function_name): Use HOST_UINT.
2050 (arm_output_epilogue): Use arm_volatile_func().
2051 (output_thumb_prologue): Use arm_strip_name_encoding().
2053 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2055 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2056 of sequence point problems.
2058 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2060 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2062 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2064 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2066 * sbitmap.h: Whitespace changes and use upper-case macro args.
2067 (struct simple_bitmap_def): All sizes now unsigned.
2068 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2069 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2070 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2071 (sbitmap_zero): Cast bzero arg to PTR.
2072 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2073 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2074 loop to make structure clearer.
2075 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2076 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2077 (sbitmap_a_and_b_or_c): Likewise.
2078 (sbitmap_intersection_of_succs): Minor cleanups.
2079 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2080 (sbitmap_union_of_preds): Likewise.
2081 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2082 (debug_sbitmap): New function.
2084 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2085 * c-typeck.c (convert_for_assignment): Likewise.
2087 * expmed.c (init_expmed): Don't free objects we make.
2088 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2090 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2091 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2093 * gcse.c (expr_hash_table_size): Now unsigned.
2094 (compute_ae_gen): Local variable `i' now unsigned.
2095 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2096 (compute_transout, hoist_code): Likewise.
2097 (compute_local_properties): Likewise, also hash_table_size.
2098 (alloc_expr_hash_table): N_INSNS now unsigned.
2099 (delete_null_pointer_checks): Mark arg F as unused.
2101 * regrename.c: Minor cleanups, including chang some variables
2104 2000-04-10 Neil Booth <NeilB@earthling.net>
2106 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2108 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2110 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2112 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2113 __classof__, and __headof__ from the list of gnu keywords.
2114 (-ansi): Remove -foperator-names from list of implied options.
2115 Do not call it ANSI C++.
2116 (-foperator-names): Document as -fno-operator-names.
2118 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2120 * cpphash.c (timestamp): Delete.
2121 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2122 (special_symbol): Remove unnecessary braces. Remove
2123 T_VERSION. Treat T_STDC like T_CONST unless
2124 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2125 when one is encountered, then convert them into T_MCONST
2127 * cppinit.c (builtin_array): version_string is T_MCONST.
2128 __STDC__ has a "1" in its cpval. Don't have a terminator
2129 entry. Clean up which entries are dumped.
2130 (initialize_builtins): Only __STDC__ gets the special
2131 -traditional treatment. Count the length of builtin_array.
2132 Render version_string here.
2133 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2134 * cpplib.h (struct cpp_reader): Remove timebuf.
2136 2000-04-09 Richard Henderson <rth@cygnus.com>
2138 * genrecog.c (pred): Update comparison_operator for the unordered
2141 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2143 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2144 (uno_comparison_operator): New.
2145 (put_condition_code): Handle UNORDERED/ORDERED.
2146 (unsigned_comparison): Likewise.
2147 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2148 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2149 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2150 update all callers. Handle all 8 unordered operators.
2151 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2152 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2153 * config/i386/i386.h (PREDICATE_CODES): Update.
2154 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2155 (ix86_expand_branch, ix86_expand_setcc): Update.
2156 * config/i386/i386.md (sunordered, sordered): New.
2157 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2158 (bunordered, bordered): New.
2159 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2160 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2161 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2163 2000-04-09 Philip Blundell <philb@gnu.org>
2165 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2167 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2169 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2170 fix_truncxfhi2): New patterns.
2171 * i386.c (output_fix_trunc): Handle converting to HImode.
2173 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2175 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2177 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2178 (for_each_successor_phi): Change parameter to basic_block.
2179 (coalesce_regs_in_successor_phi_nodes): Likewise.
2180 (coalesce_regs_in_copies): Likewise.
2181 (compute_coalesced_reg_partition): Use basic_block instead of index.
2182 * rtl.h (convert_to_ssa): Delete.
2183 (convert_from_ssa): Likewise.
2184 (successor_phi_fn): Likewise.
2185 (for_each_successor_phi): Likewise.
2186 (in_ssa_form): Likewise.
2187 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2188 (convert_from_ssa): Likewise.
2189 (successor_phi_fn): Likewise.
2190 (in_ssa_form): Likewise.
2191 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2192 * flow.c (calculate_global_regs_live): Pass a basic_block to
2193 for_each_successor_phi.
2195 2000-04-08 Richard Henderson <rth@cygnus.com>
2197 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2198 was modified in the current insn.
2200 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2202 * arm/thumb.md: Delete.
2203 * arm/thumb-protos.h: Delete.
2205 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2207 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2209 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2211 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2214 * arm.md (nop): Use the standard RTL expression. Don't code as a
2216 (*arm_nop, *thumb_nop): Delete.
2218 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2219 constants. Use casts instead.
2220 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2221 output_multi_immediate, arm_poke_function_name): Likewise.
2222 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2223 MASK_RETURN_ADDDR): Likewise.
2225 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2227 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2230 * arm.md (eh_epilogue): New function.
2231 * arm.h (struct machine_function): Move to here ...
2232 * arm.c: ... from here.
2233 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2234 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2235 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2237 2000-03-30 Nick Clifton <nickc@cygnus.com>
2239 * config/arm/semi.h (ASM_SPEC): Restore definition.
2240 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2242 * config/arm/elf.h (ASM_SPEC): Restore definition.
2243 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2245 * config/arm/arm.h (ASM_SPEC): Remove definition.
2246 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2248 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2250 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2252 2000-03-24 Nick Clifton <nickc@cygnus.com>
2254 Various formating tidyups, elimination of compile time
2255 warnings and synchronisation with internal sources:
2257 * config/arm/arm-protos.h (assemble_align): Add prototype.
2258 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2259 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2260 (arm_return_addr_rtx): Rename to arm_return_addr.
2262 * config/arm/arm.c: Include except.h.
2263 Define shorter typenames for strict minipool_node and struct
2265 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2267 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2268 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2270 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2272 (ASM_SPEC): Define if not already defined.
2273 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2275 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2276 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2277 arm_gen_compare_reg.
2278 (indirect_jump): Only accept register operands.
2279 (load_indirect_jump): Keep this pattern since combine can generate
2282 * config/arm/coff.h: Include aout.h.
2283 (MULTILIB_DEFAULTS): Only define if not already defined.
2285 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2286 into arm.h (so that COFF ports can support thumb based aliases).
2287 (ASM_SPEC): Move definition into arm.h
2289 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2290 redundant apcs spec.
2291 (ASM_SPEC): Move definition to arm.h
2293 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2295 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2296 for entries in the .bss section
2298 2000-03-23 Nick Clifton <nickc@cygnus.com>
2300 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2301 to thumb_far_jump_used_p.
2303 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2304 single integer parameter.
2306 * config/arm/arm.c (struct machine_function): Add two new
2307 fields, 'far_jump_used' and 'arg_pointer_live'.
2308 (thumb_far_jump_used_p): Once the decision has been made that
2309 far jumps might be used, always return true.
2310 If being called from the initial elimination offset macro then
2311 do not bother to perform the test if the arg pointer is not
2313 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2314 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2316 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2318 * arm.c (output_return_instruction): Handle more cases where we can
2319 return from a function with an ldr instruction.
2320 (arm_output_epilogue): Likewise.
2322 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2323 if we need to push a large stack frame and there are no callee-saved
2326 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2327 in ARM code if the frame pointer has been eliminated.
2329 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2330 unspec_volatile arguments to avoid duplicates.
2331 (consttable_1, consttable_2): Fixes for big-endian mode.
2333 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2336 Re-write constant pool code.
2337 * arm.c (minipool_node, minipool_fix): New types.
2338 (minifix): Delete type.
2339 (arm_add_minipool_constant): Delete.
2340 (arm_compute_minipool_offsets, arm_find_barrier,
2341 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2342 (get_jump_table_size): Now returns HOST_WIDE_INT.
2343 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2345 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2346 (assign_minipool_offsets, arm_print_value): Likewise.
2347 (dump_minipool): Rewrite.
2348 (arm_barrier_cost): New function.
2349 (create_fix_barrier): New function.
2350 (push_minipool_barrier): New function.
2351 (push_minipool_fix): Record additional information about the fixup
2353 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2354 check the mode of what needs fixing.
2355 (arm_reorg): Rewrite.
2357 2000-03-08 Nick Clifton <nickc@cygnus.com>
2359 * config/arm/arm.md (indirect_jump): Force constant addresses into
2362 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2364 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2366 2000-02-24 Nick Clifton <nickc@cygnus.com>
2368 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2369 adjust is word aligned.
2370 (thumb_expand_epilogue): Make sure that stack adjust is word
2373 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2375 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2377 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2378 pointer relative addresses.
2380 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2382 * arm.c (find_barrier): Find the last barrier within the allowed
2385 2000-02-09 Nick Clifton <nickc@cygnus.com>
2387 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2389 2000-02-09 Nick Clifton <nickc@cygnus.com>
2391 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2392 ARM_FUNCTION_PROFILER.
2394 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2395 ARM_FUNCTION_PROFILER.
2397 * config/arm/linux-oldld.h: Imported from mainline sources.
2399 2000-02-07 Nick Clifton <nickc@cygnus.com>
2401 * config/arm/lib1funcs.asm: Merge in thumb functions from
2404 * config/arm/lib1thumb.asm: Delete.
2406 2000-02-04 Nick Clifton <nickc@cygnus.com>
2408 * config/arm/arm.c: Sychronised with current Red hat local
2410 * config/arm/arm.h: Ditto.
2411 * config/arm/arm-protos.h: Ditto.
2413 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2415 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2417 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2420 2000-02-02 Nick Clifton <nickc@cygnus.com>
2422 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2424 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2425 (return) was emited using an emit_insn() call.
2427 2000-01-31 Nick Clifton <nickc@cygnus.com>
2429 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2431 (thumb_exit): Move frame pointer back into hard frame pointer
2432 register if backtracing is being used.
2434 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2436 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2439 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2441 * config/arm/arm.md (neg_pool_offset): Provide default for new
2443 (arm_movsi_insn): Add neg_pool_offset attribute.
2444 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2445 rtx for the insn that starts the scan and an unsigned long for its
2446 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2447 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2448 instructions in *PINSERTED.
2449 (struct minipool_fixup): Add MIN_ADDRESS elt.
2450 (sort_fixups): Compute it.
2451 (arm_reorg): Changes to support inserting pools before the insn to be
2454 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2456 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2457 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2458 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2460 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2462 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2464 (TARGET_DEFAULT): Do not define if already defined.
2466 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2468 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2469 (iordi3): Allow disjoint source operands.
2470 (xordi3): Allow disjoint source operands.
2471 (negdi2): Permit construction for ARM and Thumb.
2472 (arm_negdi2): Renamed version of old negdi2 pattern.
2473 (thumb_negdi2): New pattern: Only permit non-overlapping
2474 source and destination.
2476 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2478 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2479 scratch low register so that it will not be deleted.
2481 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2483 * config/arm/pe.h (ARM_PE): Define.
2485 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2486 interfacearm attribute if this is a PE toolchain.
2487 (output_return_instruction): Do not emit anything if the function
2488 has the naked attribute set.
2489 (is_called_in_ARM_mode): If the function has the interfacearm
2490 attribute then return true.
2491 (thumb_expand_prologue): Do not generate a prologue for naked
2493 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2495 (output_thumb_prologue): Do not bother if the function is naked.
2496 Strip PE encoding from function name before emitting.
2498 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2500 * arm.md (pic_load_addr): Fix constraints.
2502 * arm.md (casesi_insn): Fix mis-applied patch.
2504 * arm.md ("core" function unit): Add rules for single- and
2506 (All TARGET_THUMB patterns): Add "type" attribute information
2508 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2509 the following insn is a CALL.
2511 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2513 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2514 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2515 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2517 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2519 * config/arm/linux-gas.h: oops - this file was missed out when the
2520 branch was created...
2522 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2524 * thumb.c: Deleted. Move contents to ...
2526 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2528 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2531 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2532 declare a prototype for asm_output_align();
2534 * arm.c (thumb_condition_code): Delete.
2535 (arm_print_operand): Always use arm_condition_code array.
2537 * arm.c (thumb_return_addr_rtx): Delete.
2538 (arm_save_machine_status, arm_restore_machine_status): Delete.
2539 (arm_init_machine_status, arm_mark_machine_status): New functions.
2540 (arm_init_expanders): Update accordingly.
2541 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2542 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2543 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2545 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2547 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2549 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2552 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2554 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2555 stack backtrace structure.
2557 * config/arm/arm-protos.h: Add prototypes for functions defined in
2560 * config/arm/arm.c (arm_override_options): Fix selection of
2561 attributes of default processor.
2563 * config/arm/coff.h: Delete needless #include.
2565 * config/arm/pe.c: Delete unused code.
2567 * config/arm/pe.h (CPP_DEFINES): Delete
2568 (SUBTARGET_CPP_SPEC): Define.
2569 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2571 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2573 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2575 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2577 (CAN_DEBUG_WITHOUT_FP): Define.
2578 (FIXED_REGISTERS): Make r11 call-saved.
2579 (CALL_USED_REGISTERS): Likewise.
2580 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2581 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2582 frame-pointer is required.
2583 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2584 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2585 if the target normally needs a stack frame in non-leaf functions.
2586 (use_return_insn): Correct logic for determining when a return
2587 instruction can be used.
2588 (output_return_instruction): Handle the frame-pointer register as
2589 a normal register when not TARGET_APCS_FRAME.
2590 (arm_output_prologue): Likewise.
2591 (arm_output_epilogue): Likewise.
2592 (output_func_epilogue): Likewise.
2593 (arm_expand_prologue): Likewise.
2594 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2596 * arm.c (use_return_insn): No need to check floating point regs if
2598 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2599 the code of value stored in the minipool array.
2600 (arm_add_minipool_constant): Likewise.
2602 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2606 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2608 * tree.c (tree_expr_nonnegative_p): New function.
2610 * tree.h (tree_expr_nonnegative_p): Declare.
2612 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2613 elide some sign_compare warnings.
2614 (build_conditional_expr): Likewise.
2616 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2618 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2620 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2621 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2622 operand. Abort if a 387 operand has an unsupported size.
2624 2000-04-08 Neil Booth <NeilB@earthling.net>
2626 * cppexp.c (parse_charconst): Null does not end character
2628 * cppinit.c (ISTABLE): Null character handled as whitespace.
2629 * cpplex.c (null_warning): new function.
2630 (skip_string): Emit warning if nulls encountered.
2631 (_cpp_skip_hspace): Emit warning if nulls encountered.
2632 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2636 2000-04-07 Richard Henderson <rth@cygnus.com>
2638 * flow.c (loop_depth): Remove.
2639 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2640 (struct propagate_block_info): New.
2641 (life_analysis): Don't allocate reg_next_use.
2642 (propagate_block_delete_insn): Break out of propagate_block.
2643 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2644 (propagate_block_delete_libcall): Likewise.
2645 (propagate_block): Create a propagate_block_info struct to pass
2646 to subroutines. Allocate one not two temporary regsets. Don't
2647 clobber memory for const calls. Look for clobbers in
2648 CALL_INSN_FUNCTION_USAGE.
2649 (mark_set_regs): Recognize COND_EXEC.
2650 (mark_set_reg): Break out of mark_set_1.
2651 (mark_used_reg): Break out of mark_used_regs.
2652 (mark_used_regs): Recognize COND_EXEC.
2653 (insn_dead_p): Use propagate_block_info struct.
2654 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2655 (find_auto_inc, try_pre_increment_1): Likewise.
2656 (print_rtl_with_bb): Dump regs live at end too.
2657 (count_reg_sets_1): Pass in loop_depth.
2658 (count_reg_sets, count_reg_references): Likewise.
2659 (recompute_reg_usage): Provide it.
2661 2000-04-07 Richard Henderson <rth@cygnus.com>
2663 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2666 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2668 * cpplib.c (do_elif): Skip the rest of the line if we're
2669 not going to bother evaluating it.
2670 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2671 to avoid pointless calls to the lexer.
2673 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2675 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2677 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2679 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2681 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2683 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2685 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2687 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2688 crtend so they can be multilibbed.
2689 (STAGESTUFF): Remove s-crt and s-crtS.
2691 2000-04-07 Richard Henderson <rth@cygnus.com>
2693 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2694 if we discover we need a pseudo and no_new_pseudos is true.
2695 * config/alpha/alpha.md (ne:DI insn): New.
2696 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2698 2000-04-07 Richard Henderson <rth@cygnus.com>
2700 * rtl.def (COND_EXEC): New.
2701 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2702 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2704 * genconfig.c (have_cond_arith_flag): Remove.
2705 (have_cond_exec_flag): New.
2706 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2707 (main): Print HAVE_conditional_execution.
2709 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2710 (sched_analyze_insn, print_pattern): Likewise.
2711 * reload.c (find_equiv_reg): Likewise.
2712 * rtlanal.c (reg_referenced_p): Likewise.
2713 (note_stores, dead_or_set_regno_p): Likewise.
2714 (reg_overlap_mentioned_p): Rewrite to use a switch.
2716 * ggc.h (struct rtx_def): Forward declare.
2718 * print-rtl.c (debug_rtx_range): New.
2719 * rtl.h (debug_rtx_range): Declare.
2721 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2723 * gcse.c (gcse_main): Don't rebuild the CFG here.
2724 (delete_null_pointer_checks): Likewise.
2725 * ssa.c (convert_to_ssa): Likewise.
2726 * toplev.c (rest_of_compilation): Do it here instead. Combine
2727 sequential calls to TIMEVAR. Consistently use `insns' instead of
2728 `get_insns()'. Always split insns after reload when optimizing.
2730 * basic-block.h (merge_blocks_nomove): Declare.
2731 (tidy_fallthru_edge): Declare.
2732 * flow.c (merge_blocks_nomove): Document as merging into previous
2733 blocks. Remove cruft from between blocks; remove all edges out of A.
2734 (tidy_fallthru_edge): Export.
2736 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2738 * ssa.c (compute_conservative_reg_partition): Declare with
2740 * toplev.c (clean_dump_file): Remove previously-deleted function
2741 inadvertantly merged back in.
2742 * conflict.c (conflict_graph_add): Use a single call to
2743 htab_find_slot to look up and insert.
2745 2000-04-06 Richard Henderson <rth@cygnus.com>
2747 * genrecog.c (*): Rename _last_insn to last_insn.
2748 (make_insn_sequence): Set the position of the peephole2 C test
2749 to be at the last insn.
2751 2000-04-06 Richard Henderson <rth@cygnus.com>
2753 * flow.c (compute_flow_dominators): Free worklist.
2755 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2757 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2759 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2761 * rtl.h (INSN_P): New macro.
2762 (successor_phi_fn): New typedef.
2763 (for_each_successor_phi): New prototype.
2764 (in_ssa_form): New variable.
2765 (PHI_NODE_P): Likewise.
2766 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2767 phi nodes in successors.
2768 (mark_used_regs): Add PHI case.
2769 (set_phi_alternative_reg): New function.
2770 (life_analysis): Assert that dead code elimination is not selected
2772 * toplev.c (to_ssa_time): New variable.
2773 (from_ssa_time): Likewise.
2774 (compile_file): Zero to_ssa_time and from_ssa_time.
2775 Print time to convert to and from SSA.
2776 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2777 (print_time): Compute percent fraction as integer.
2778 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2779 (convert_to_ssa): Check if we're already in SSA.
2780 Don't eliminate dead code in life_analysis.
2781 Rerun flow and life analysis at bottom.
2782 (eliminate_phi): Use canonical regnos when adding nodes.
2783 (mark_reg_in_phi): New function.
2784 (mark_phi_and_copy_regs): Likewise.
2785 (convert_from_ssa): Rerun life analysis at top.
2786 Use coalesced partition.
2787 Check for removing a phi node at the end of the block.
2788 (compute_coalesced_reg_partition): New function.
2789 (coalesce_regs_in_copies): Likewise.
2790 (coalesce_reg_in_phi): Likewise.
2791 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2792 (for_each_successor_phi): Likewise.
2793 (rename_context): New struct.
2794 (rename_block): Use a rename_context with rename_insn_1. When
2795 renaming sets of a subreg, emit a copy of the entire reg first.
2796 (rename_insn_1): Treat data as a rename_context *. Save current
2798 (rename_set_data): Add field set_insn.
2799 * Makefile.in (HASHTAB_H): Move up in file.
2800 (OBSTACK_H): New macro.
2801 (collect2.o): Use OBSTACK_H in dependencies.
2802 (sdbout.o): Likewise.
2803 (emit-rtl.o): Likewise.
2804 (simplify-rtx.o): Likewise.
2805 (fix-header.o): Likewise.
2806 (OBJS): Add conflict.o.
2807 (conflict.o): New rule.
2808 * basic-block.h: Include partition.h.
2809 (conflict_graph): New typedef.
2810 (conflict_graph_enum_fn): Likewise.
2811 (conflict_graph_new): New prototype.
2812 (conflict_graph_delete): Likewise.
2813 (conflict_graph_add): Likewise.
2814 (conflict_graph_conflict_p): Likewise.
2815 (conflict_graph_enum): Likewise.
2816 (conflict_graph_merge_regs): Likewise.
2817 (conflict_graph_print): Likewise.
2818 (conflict_graph_compute): Likewise.
2819 * conflict.c: New file.
2821 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2823 * tlink.c (read_repo_files): Don't look for .rpo info for
2826 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2828 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2830 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2832 * config/sh/lib1funcs.asm (___udivsi3_i4):
2833 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2834 only depends on FMOVD_WORKS.
2836 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2838 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2839 make double constant 8-byte aligned.
2841 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2843 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2844 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2845 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2846 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2847 Accept storing GENERAL_REGS into offsetable memory.
2848 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2849 building a TFmode constant other than 0.0L into GENERAL_REGS.
2851 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2853 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2855 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2857 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2858 (macro_cleanup): No need to cast pbuf->macro.
2859 (collect_expansion): Use _cpp_get_define_token. Goto done if
2860 it returns VSPACE. Remove check for trailing space after
2862 (_cpp_create_definition): Don't diddle flags here. Return
2864 (unsafe_chars): Handle c1 being EOF.
2865 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2866 checks. Don't push the buffer till after we're done with
2868 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2869 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2870 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2872 (_cpp_parse_assertion): Don't NUL terminate.
2873 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2874 hspace before calling _cpp_parse_assertion. Remove all sets
2875 of only_seen_white. Treat '\f' as hspace. Don't do anything
2876 special with '\n' here.
2877 (maybe_macroexpand): Handle T_EMPTY hash entries without
2878 pushing a buffer at all.
2879 (cpp_get_token): Handle clearing only_seen_white here. Handle
2880 incrementing the line number here. Clear
2881 potential_control_macro as well as only_seen_white, if
2883 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2884 (_cpp_get_define_token): New function, basically like
2885 _cpp_get_directive_token was but doesn't eat horizontal space.
2886 Don't do anything with only_seen_white here.
2887 (_cpp_get_directive_token): Just call _cpp_get_define_token
2888 repeatedly till it returns non-hspace.
2890 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2891 (conditional_skip, skip_if_group): Return int.
2892 (DIRECTIVE_TABLE): Change origin of all conditional directives
2894 (TRAD_DIRECT_P): New macro.
2895 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2896 an error for a bogus directive, unless -lang-asm. Use
2897 TRAD_DIRECT_P. Loop calling handler functions till one returns
2899 (get_macro_name): Don't diddle flags here.
2900 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2901 Create T_EMPTY nodes for #define macro /* nothing */.
2902 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2903 Use hp->name when calling pass_thru_directive.
2904 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2905 Return the result of conditional_skip and/or skip_if_group.
2906 Don't call _cpp_output_line_command.
2907 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2908 Issue -Wtraditional warnings as appropriate. Don't complain
2909 about unrecognized directives. If we are to stop skipping,
2910 return the number of the directive that ended the skip.
2911 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2912 expansion and line commands while skipping. Return the result
2913 of consider_directive_while_skipping, if nonzero.
2914 (do_endif): Just set potential_control_macro here.
2915 (validate_else): Use _cpp_get_directive_token.
2916 (do_assert, do_unassert): Don't save pointers into the
2917 token_buffer across calls to the lexer. Use
2918 _cpp_get_directive_token.
2920 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2921 pointer, not an offset. Replace 'data', which was a generic
2922 pointer, with 'macro', which points to a struct hashnode.
2923 (cpp_reader): Add 'potential_control_macro' pointer.
2924 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2925 (CPP_BUF_GET, CPP_FORWARD): Delete.
2926 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2927 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2928 ACTIVE_MARK_P): Update.
2929 (_cpp_get_define_token): New internal function.
2930 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2932 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2934 * configure.in: And here.
2935 * configure: Regenerate.
2936 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2937 --enable-libstdcxx-v3 is passed at configure time.
2938 * config.h.in: Regenerate.
2940 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2942 * final.c (final): Use xcalloc to allocate line_note_exists.
2943 * function.c (free_after_compilation): Free the temp_slots.
2944 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2945 (combine_temp_slot): Free temp_slots when they get combined.
2946 (purge_addressof): Fix typo in comment.
2947 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2948 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2950 * ggc.h: Include varray.h.
2951 (ggc_pending_trees): Declare.
2952 (ggc_mark_tree_children): Remove declaration.
2953 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2954 * ggc-common.c (ggc_pending_trees): New variable.
2955 (ggc_mark_roots): Call ggc_mark_trees.
2956 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2957 the ggc_pending_trees.
2958 * Makefile.in (GGC_H): New variable. Use it throughout in place
2961 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2963 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2966 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2968 * sh.c (sh_insn_length_adjustment): New function.
2969 * sh-protos.h (sh_insn_length_adjustment): Declare.
2970 * sh.h (ADJUST_INSN_LENGTH): Use it.
2972 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2974 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2975 from the insn where REG_RETVAL is added.
2976 (emit_no_conflict_block): Ditto.
2978 * md.texi (Standard Names): Clarify when movX is needed.
2980 * combine.c (simplify_comparison) [MINUS]: Do not replace
2981 all (op (minus A B) 0) with (op A B).
2983 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2984 J"orn Rennecke <amylaar@cygnus.co.uk>
2986 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2987 (block_lump_real): Likewise.
2989 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2991 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2992 remaining non-zero debugging masks.
2994 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2996 * basic-block.h (verify_flow_info): Declare.
2997 (flow_loop_outside_edge_p): Declare.
2998 * flow.c (verify_flow_info): Remove declaration.
2999 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3001 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3003 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3006 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3008 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3009 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3010 seqdi_zero_trunc+1): Allow splits only if registers are
3013 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3015 * acconfig.h: Add HAVE_GAS_HIDDEN.
3016 * config.in: Regenerated.
3017 * configure.in: Add test for .hidden pseudo-op in gas.
3018 * configure: Regenerated.
3019 * crtstuff.c: Include auto-host.h.
3020 Emit additional .hidden pseudo-op for __dso_handle if the
3021 assembler knows about it.
3023 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3025 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3026 before freeing argnames.
3027 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3029 2000-04-05 Michael Meissner <meissner@redhat.com>
3031 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3032 Walton <jonboy@gordian.com> to make memory references with update
3033 work wtih -mregnames.
3035 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3037 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3038 (regrename_optimize): Rename variables `def_uses' and
3039 `ext_basic_blocks' to avoid conflicts with similarly named
3040 typedefs in traditional C.
3042 * calls.c (initialize_argument_information): Fix typo in previous
3045 2000-04-04 Richard Henderson <rth@cygnus.com>
3047 * regrename.c (consider_available): Test fixed_regs not
3048 PIC_OFFSET_TABLE_REGNUM.
3050 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3052 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3054 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3055 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3056 (ENDFILE_LINUX_SPEC): Always use crtend.
3057 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3058 (powerpc-*-linux-gnu): Likewise.
3059 * configure: Regenerate.
3061 * config/rs6000/eabi.h: Don't include sysv4.h.
3062 (MULTILIB_DEFAULTS): Don't define.
3063 * config/rs6000/eabiaix.h: Don't include eabi.h.
3064 * config/rs6000/eabile.h: Delete.
3065 * config/rs6000/eabilesim.h: Delete.
3066 * config/rs6000/eabisim.h: Don't include eabi.h.
3067 * config/rs6000/linux.h: Don't include sysv4.h.
3068 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3069 (MULTILIB_DEFAULTS): Don't redefine.
3070 * config/rs6000/rtems.h: Don't include eabi.h.
3071 * config/rs6000/sol2.h: Don't include sysv4le.h.
3072 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3073 * config/rs6000/t-ppc: Delete.
3074 * config/rs6000/t-ppcgas: Correct comment.
3075 * config/rs6000/t-ppcos: Correct comment. Don't build
3076 multilibs for -fPIC, rather use -fPIC -mstrict-align
3078 * config/rs6000/t-ppc: Delete.
3079 * config/rs6000/vxppc.h: Don't include sysv4.h.
3080 * config/rs6000/vxppcle.h: Delete.
3081 * configure.in: Use multiple header files for p2pc ELF targets
3082 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3083 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3084 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3085 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3086 always available for these platforms.
3088 2000-04-04 Richard Henderson <rth@cygnus.com>
3090 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3092 2000-04-04 Stan Cox <scox@cygnus.com>
3094 * Makefile.in: Add rules for regrename.o
3095 * regrename.c: New file.
3096 * rtl.h (regrename_optimize): Add prototype.
3097 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3098 (compile_file, decode_d_option): Add support for -frename-registers.
3099 (rest_of_compilation): Call regrename_optimize.
3100 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3103 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3105 * Makefile (gccbug): New target.
3106 (doc): Depend on it.
3107 * gcc.texi (Bugs): Link subnodes.
3109 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3110 Document severities, priorities, and classes in bug form.
3112 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3114 * cpplex.c (trigraph_map, speccase): Combine into single
3116 (NORMAL, NONTRI): New macros.
3117 (_cpp_read_and_prescan): Change to use unified table. Use
3118 is_hspace to test for whitespace.
3120 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3121 definition that doesn't provoke the "empty body in an
3122 if-statement" warning.
3124 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3126 * builtins.c (expand_builtin_strlen): Force the source to
3127 be a memory address.
3129 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3131 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3133 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3135 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3136 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3137 (ECF_IS_CONST): Rename to ECF_CONST.
3138 (special_function_p): Make static, change interface.
3139 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3140 (expand_call) ... here; convert number of variables to flags.
3141 (emit_library_call_vlue_1): Likewise.
3142 (setjmp_call_p): New function.
3143 (initialize_argument_information): Accepts flags as argument;
3145 (precompute_arguments): Likewise.
3146 * tree.h (special_function_p): Remove.
3147 (setjmp_call_p): Add prototype.
3149 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3151 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3152 so that addresses are offsetable by up to 16 bytes.
3153 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3154 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3157 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3158 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3159 (movsf): Don't force any constant to memory if target is integer
3161 Move fp_zero_operand check below the const0_rtx check.
3162 (movtf): Likewise. Also allow fp_zero_operand for stores into
3164 (movdf): Likewise. Also allow fp_zero_operand for stores into
3165 memory and into integer hard registers.
3166 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3167 movdf_const_intreg_sp64): Remove.
3168 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3170 (movdf_no_e_insn_v9_sp32): New pattern.
3171 (movdf_insn_v9only): Remove.
3172 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3173 (movdf_insn_sp64): Remove.
3174 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3175 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3176 (following splits): Rewrite conditions. Add two new splits
3177 for storing 0.0 into memory and registers.
3178 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3179 (movtf_insn_sp32): Redo constraints and conditions.
3180 (movtf_insn_vis_sp32): New pattern.
3181 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3182 (movtf_insn_hq_sp64): Likewise.
3183 (movtf_insn_hq_vis_sp64): New pattern.
3184 (movtf_insn_sp64): Redo constraints and conditions.
3185 (movtf_insn_vis_sp64): New pattern.
3186 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3187 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3189 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3190 -mvis or -m64 to take down the number of various reload patterns.
3192 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3194 * pa/pa-64.h: New file.
3195 * pa/pa64-regs.h: New file.
3196 * pa/pa64-start.h: New file.
3197 * pa/t-pa64: New file.
3198 * pa/xm-pa64hpux.h: New file.
3200 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3202 * sparc.c (output_restore_regs): Prototype.
3203 (sparc_emit_float_lib_cmp): Constification.
3205 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3207 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3210 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3211 (get_value_hash, hash_rtx): Likewise.
3213 * ssa.c (compute_conservative_reg_partition): Prototype.
3215 * tree.c (mark_hash_entry): Prototype.
3217 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3219 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3220 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3221 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3223 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3224 * objc/lang-specs.h: Likewise.
3226 2000-04-03 Neil Booth <NeilB@earthling.net>
3228 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3229 and SYNTAX_ERROR2. Replace `' in messages with ''.
3230 (op_to_str): Make re-entrant.
3231 (_cpp_parse_expr): Implement new error macros. Use | rather
3232 than || to logically or 2 boolean integers. Simply expression
3233 checking we have a left operand iff needed.
3235 2000-04-03 Nick Clifton <nickc@cygnus.com>
3237 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3239 2000-04-03 Philip Blundell <philb@gnu.org>
3241 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3243 2000-04-03 Felix Lee <flee@cygnus.com>
3245 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3246 (run_shell): Use it.
3248 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3250 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3251 (stmp-fixproto): ...rather than here.
3253 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3255 * pa.c (print_operand): Compute 'base' only inside the code paths
3258 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3260 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3263 2000-04-03 Philipp Thomas <pthomas@suse.de>
3265 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3267 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3269 * Makefile.in (alias.o): Depend on $(TREE_H).
3271 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3273 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3275 * cpplib.c (_cpp_handle_directive): Improve warnings for
3276 traditional C and indented directives.
3278 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3279 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3280 fixinc/inclhack.def: Indent the # of #include_next one space.
3281 * cp/rtti.c: Un-indent #if and #endif.
3283 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3284 syntax error, but an error has already been printed.
3285 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3286 message when called with nothing remaining on the line.
3287 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3288 OTHER token, not an ASSERTION.
3289 * cpplib.c (do_assert): When we create a 'base' node, clear
3290 its aschain pointer.
3292 2000-04-02 Neil Booth <NeilB@earthling.net>
3294 * cppexp.c: New typedef op_t. struct operation and struct
3295 token updated to use it.
3296 (op_to_str): New function.
3297 (_cpp_parse_expr): Error messages modified to use op_to_str.
3299 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3301 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3302 before checking MUST_PASS_IN_STACK.
3304 2000-04-02 Neil Booth <NeilB@earthling.net>
3306 * cppexp.c: New FINISHED dummy token. Combine operator initial
3307 flags and initial priority into a single constant. New
3308 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3309 (_parse_cpp_expr): Implement new constants. Take left operand
3310 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3311 parse indicated by reducing FINISHED token. Remove new lines
3312 from cpp_error messages.
3314 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3316 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3319 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3321 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3322 directive. Add origin values to DIRECTIVE_TABLE. Generate
3323 the strings and function names on the fly. Take the #sccs
3324 entry out of the table if SCCS_DIRECTIVE is not defined.
3325 (_cpp_handle_directive): Decide if the # was at the beginning
3326 of the line here. Issue -pedantic warnings for extended
3327 directives here. Warn about K+R directives with the #
3328 indented, and C89/extended directives with the # not indented,
3330 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3331 do_assert, do_unassert): Don't issue pedantic warning here.
3333 * cpphash.h: Add CPP_WTRADITIONAL macro.
3334 * cpplib.h (struct cpp_options): Rename warn_stringify to
3335 warn_traditional; update comments.
3336 * cppinit.c (handle_option): Set warn_traditional not
3338 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3339 CPP_WTRADITIONAL (pfile).
3340 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3341 be ignored in -traditional mode here.
3343 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3344 to initialize speccase[] and trigraph_map[]. Delete all
3345 references to pfile->input_speccase. Always treat '?' as a
3346 special character. Remove table-initialization code from
3347 _cpp_init_input_buffer.
3349 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3350 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3352 2000-04-01 Richard Henderson <rth@cygnus.com>
3354 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3355 (mostlyclean): Likewise.
3357 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3358 (struct dump_file_info, enum dump_file_index, dump_file): New.
3359 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3360 not a string. Clean out file if we havn't yet done so. Do nothing
3361 if the dump isn't enabled.
3362 (close_dump_file): Do nothing if the dump isn't open. Dump
3363 graph data if requested.
3364 (dump_rtl, clean_dump_file): Remove.
3365 (compile_file): Don't clean the dump files. Only finalize .bp dump
3366 if flag_test_coverage or flag_branch_probabilities. Only finalize
3367 .combine dump if optimizing. Iterate over dump_file to finalize the
3369 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3370 Convert all uses of dump_rtl.
3371 (decode_d_option): Iterate over dump_file to implement 'a' and to
3372 locate pass-specific dumps.
3374 2000-04-01 Neil Booth <NeilB@earthling.net>
3376 * cppexp.c: Redefine priority constants.
3377 (_cpp_parse_expr): Replace left and right priority scheme with
3378 single priority logic. Move LOGICAL to same place as COMPARE.
3379 Remove bogus check for multiple unary +/- operators.
3381 2000-04-01 Neil Booth <NeilB@earthling.net>
3383 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3384 within the switch statement. Binary operations break out of
3385 the switch naturally. '(' tokens handled by forcing
3386 immediate shift. ')' handled by forcing immediate reduce to
3387 the previous '('. New error messages.
3389 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3391 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3392 part', it's already in use. Use %K instead. Add a return at the
3393 end of what is now %K.
3394 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3396 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3398 * builtins.c (expand_builtin_apply): Pass proper parameters to
3399 allocate_dynamic_stack_space.
3400 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3401 update stack_pointer_delta; do not update arg_size_so_far.
3402 (compute_argument_block_size): Use stack_delta instead of
3403 stack_pointer_pending and arg_size_so_far.
3404 (expand_call): Add sanity checking for stack_pointer_delta;
3405 save and restore stack_pointer_delta for SIB, use
3406 stack_pointer_delta for alignment; do not update arg_space_so_far.
3407 (emit_library_call_value): Use stack_pointer_delta for alignment.
3408 (store_one_arg): Do not update arg_space_so_far.
3409 * explow.c (adjust_stack, anti_adjust_stack): Update
3410 stack_pointer_delta.
3411 (allocate_dynamic_stack_space): Add sanity checking for
3412 stack_pointer_delta.
3413 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3414 stack_pointer_delta.
3415 (emit_push_insn): Update stack_pointer_delta.
3416 * function.h (struct expr_status): Add x_stack_pointer_delta;
3417 remove x_arg_space_so_far.
3418 (arg_space_so_far): Remove.
3419 (stack_pointer_delta): New macro.
3421 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3423 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3424 Reorder struct cpp_options and struct cpp_reader for better
3425 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3426 takes two args. Change all 'char' flags to 'unsigned char'.
3427 Move show_column flag into struct cpp_options. Don't
3428 prototype cpp_options_init.
3429 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3430 cppinit.c, cpplex.c, cpplib.c:
3431 Replace CPP_OPTIONS (pfile)->whatever with
3432 CPP_OPTION (pfile, whatever), and likewise for
3433 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3435 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3436 Extract CPP_OPTION (pfile, pending) and work with that
3438 (cpp_options_init): Delete.
3439 (cpp_reader_init): Turn on on-by-default options here.
3440 Allocate the pending structure here.
3441 (cl_options, enum opt_code): Define these from the same table,
3442 kept in a large macro. Add -fshow-column and -fno-show-column
3445 * cpperror.c (v_message): If show_column is off, don't print
3448 * cppmain.c: Update for new interface.
3449 * fix-header.c: Likewise.
3451 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3453 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3455 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3456 are passed to any invocation of AR_FOR_TARGET.
3457 (AR_CREATE_FOR_TARGET): New macro.
3458 (AR_EXTRACT_FOR_TARGET): New macro.
3459 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3460 AR_EXTRACT_FOR_TARGET.
3461 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3462 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3463 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3464 AR_EXTRACT_FOR_TARGET to sub-makes.
3466 2000-03-31 Neil Booth <NeilB@earthling.net>
3468 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3470 (_cpp_parse_expr): Check for multiple unary +/- operators.
3471 Correct priorities of ':' and '?'. Treat ')' as having a
3472 value. Ensure conditional expression is not void.
3474 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3476 * alias.c (canon_rtx): Make it global.
3477 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3479 * cse.c (struct table_elt): Add canon_exp.
3481 (invalidate): Canonicalize expressions only once.
3482 * rtl.h (canon_rtx): Declare.
3484 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3486 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3487 * alias.c (reg_known_value): Add comments.
3488 (init_alias_analysis): Likewise.
3489 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3491 (cse_basic_block): Fix typo in comment.
3492 * emit-rtl.c: Include hashtab.h.
3493 (const_int_htab): New variable.
3494 (const_int_htab_hash): New function.
3495 (const_int_htab_eq): Likewise.
3496 (rtx_htab_mark_1): Likewise.
3497 (rtx_htab_mark): Likewise.
3498 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3499 (unshare_all_rtx): Fix formatting.
3500 (init_emit_once): Initialize const_int_htab.
3501 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3503 * rtl.texi: Document the fact that all CONST_INTs with the same
3506 2000-03-30 Richard Henderson <rth@cygnus.com>
3508 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3510 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3512 * configure.in: Comment out --enable-c-cpplib stanza.
3513 * configure: Regenerate.
3515 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3517 * expr.c (store_constructor): Properly compute displacement and
3518 alignment when offset is variable.
3520 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3521 cases of alignment in bytes.
3523 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3525 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3526 since it is used to generate c-parse.y.
3527 * objc-parse.c, objc-parse.y: Regenerated.
3529 * function.c (expand_function_end): Pass alignment argument to
3530 emit_block_move in bits, not bytes.
3532 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3534 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3537 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3539 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3540 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3541 * function.c (assign_parms): Likewise.
3542 * integrate.c (expand_inline_function): Likewise.
3543 * stmt.c (expand_decl): Likewise.
3544 (copy_rtx_and_substitute): Likewise.
3545 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3546 (clear_by_pieces): Fix error in last change.
3547 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3548 * function.h (regno_pointer_align): Now unsigned.
3549 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3551 * config/i386/i386.c (aligned_operand): Likewise.
3552 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3553 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3554 (unaligned_memory_operand): Likewise.
3555 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3556 Also make alignments and sizes unsigned and some whitespace cleanup.
3557 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3559 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3560 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3561 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3562 (expand_builtin_memset): Likewise, but to clear_storage.
3563 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3564 (restore_fixed_argument_area): Likewise.
3565 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3566 (load_register_parameters): Likewise, to emit_group_load.
3567 (expand_call): Likewise, to emit_group_store and emit_block_move.
3568 (emit_library_call_value_1): Likewise, to emit_block_move.
3569 (store_one_arg): Likewise, and to emit_push_insn.
3570 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3571 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3572 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3573 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3574 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3575 (expand_assigment, store_expr, store_constructor_field): Likewise.
3576 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3577 (store_constructor, store_field, get_inner_reference): Likewise.
3578 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3579 (expand_expr, case COMPONENT_REF): Likewise.
3580 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3581 and positions; reindent code.
3582 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3583 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3584 (assign_parms): Likewise to emit_group_store.
3585 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3586 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3587 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3588 (expand_return): Likewise to {extract,store}_bit_field.
3589 * stor-layout.c (get_mode_alignment): Minor cleanup.
3590 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3591 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3593 2000-03-29 Nick Clifton <nickc@cygnus.com>
3595 * config/arm/arm.h: Undo effects of previous delta:
3596 (ASM_SPEC): Do not define.
3597 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3599 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3602 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3604 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3605 only after reading in the primary source file.
3607 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3609 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3610 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3611 or a reference to a va_list.
3612 * builtins.c (stabilize_va_list): Simplify now we don't have to
3613 work around C array address decay.
3614 * c-typeck.c (convert_for_assignment): Handle assignment to
3615 a reference parameter by taking the address of the RHS.
3616 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3617 (va_copy): Likewise.
3618 (__va_copy): Likewise.
3619 * ginclude/varargs.h (va_start): Likewise.
3620 (__va_copy): Likewise.
3622 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3624 * i386/djgpp.h: Remove extraneous "+".
3626 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3628 * calls.c (expand_call): Fix typo in last change.
3630 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3632 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3635 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3637 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3638 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3639 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3640 * tree.c (bit_position, byte_position): Likewise.
3641 * tree.h: Declare new functions.
3643 2000-03-29 Nick Clifton <nickc@cygnus.com>
3645 * config/arm/arm.c: Minor formatting changes/
3646 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3648 (ASM_SPEC): Define if not already defined.
3650 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3652 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3655 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3657 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3658 value, don't output it as unsigned.
3660 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3662 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3664 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3666 * c-common.c (c_common_nodes_and_builtins): Don't special case
3667 cplus_mode when declaring builtin bzero/bcmp, always avoid
3668 prototype arguments.
3670 2000-03-29 Bruce Korb <bkorb@gnu.org>
3672 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3675 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3677 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3678 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3679 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3680 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3681 (save_fixed_argument_area, restore_fixed_argument_area):
3682 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3683 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3684 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3685 (precompute_register_parameters): Avoid #ifdefs on
3686 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3687 (stire_one_args): Likewise.
3688 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3689 (emit_library_call_value_1): Likewise.
3690 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3691 ACCUMULATE_OUTGOING_ARGS.
3692 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3694 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3695 (use_crosses_set_p): Likewise.
3696 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3697 #define ACCUMULATE_OUTGOING_ARGS 1.
3698 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3700 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3702 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3703 (TARGET_SWITCHES): Add push-args, no-push-args,
3704 accumulate-outgoing-args and no-accumulate-outgoing-args.
3705 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3706 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3707 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3709 (emit_push_insn): Likewise.
3710 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3711 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3712 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3713 (STACK_DYNAMIC_OFFSET): Define correctly for both
3714 ACCUMULATE_OUTGOING_ARGS and normal mode.
3715 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3716 * tm.texi (PUSH_ARGS): Document.
3717 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3719 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3721 * flags.h (flag_optimize_sibling_calls): Declare.
3722 * calls.c (expand_call): Fail sibcall when
3723 !flag_optimize_sibling_calls
3724 * invoke.texi (flag_optimize_sibling_calls): Document.
3725 * toplev.c (flag_optimize_sibling_calls): New global variable.
3726 (f_options): Add flag_optimize_sibling_calls.
3727 (rest_of_compilation): Conditionize
3728 optimize_sibling_and_tail_recursive_calls by
3729 flag_optimize_sibling_calls.
3730 (main): Set flag_optimize_sibling_calls for -O2.
3731 * stmt.c (expand_return): Conditionize tail recursion by
3732 flag_optimize_sibling_calls.
3734 2000-03-29 Richard Henderson <rth@cygnus.com>
3736 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3737 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3739 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3741 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3743 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3745 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3747 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3748 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3749 * config/rs6000/aix.h: then modified likewise.
3751 2000-03-28 Richard Henderson <rth@cygnus.com>
3753 * rtl.h: Redistribute enum reg_note documentation.
3754 Kill trailing whitespace.
3755 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3756 Kill trailing whitespace.
3758 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3760 * cppfiles.c (hash_IHASH): Just return i->hash.
3761 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3762 htab_find_with_hash.
3763 (cpp_read_file): Likewise.
3764 (find_include_file): Likewise. Properly initialize
3765 ih->nshort. Share ih->name and ih->nshort if possible.
3766 * cpphash.c (_cpp_calc_hash): New function.
3767 (hash_HASHNODE): Just return h->hash.
3768 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3769 htab_find_with_hash.
3770 * cpphash.h: Prototype _cpp_calc_hash.
3771 * cppinit.c (initialize_builtins): Provide a valid hash
3772 to _cpp_make_hashnode, using _cpp_calc_hash.
3774 * cpphash.c (collect_expansion): # is not a special character
3775 in object-like macros. In -traditional mode, /**/ is not
3776 token paste at the beginning or end of the line.
3777 * cpplib.c (do_include, do_import, do_include_next): If
3778 parse_include fails, return immediately.
3780 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3782 * config/arm/arm.md (return peepholes): Update to reflect the new
3784 * config/arm/arm.c (arm_volatile_func): Also check
3785 current_function_nothrow.
3786 (output_return_instruction, output_func_prologue): Use it.
3787 (arm_output_epilogue, arm_expand_prologue): Likewise.
3789 2000-03-27 Tom Tromey <tromey@cygnus.com>
3791 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3794 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3796 * expr.c (store_constructor): SIZE now signed.
3797 For EXPR_SIZE, don't evaluate size; just needed if constant.
3798 * fold-const.c (fold): Fix a number of cases when folded tree is
3800 * function.c (flush_addressof): Reenable.
3801 * tree.h (flush_addressof): Likewise.
3802 * toplev.c (independent_decode_option): Look at strings_processed.
3803 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3805 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3807 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3808 Allow stack adjustment after function call.
3810 * regmove.c (struct csa_memlist): Make mem field rtx *.
3811 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3812 (try_apply_stack_adjustment): Replace whole MEM rtx.
3813 (combine_stack_adjustments_for_block): Update calls
3814 to record_one_stack_ref.
3816 2000-03-28 Neil Booth <NeilB@earthling.net>
3818 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3819 '\\' rather than a null character, so nulls are not special. Fix
3820 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3821 speed trigraph conversion.
3822 (_cpp_init_input_buffer): Initialize trigraph map.
3824 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3826 * config/i386/i386.c (output_387_binary_op): Correct intel
3827 mode assembly output, and add spaces after commas in AT&T
3828 output. Correct Unixware assembler comment. Document input
3829 constraints. Comment fp operations. Reduce profligate buffer
3830 size. Remove extraneous abort. Localize temp var.
3831 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3832 (output_fix_trunc): Add spaces after commas in assembly output.
3834 2000-03-27 Richard Henderson <rth@cygnus.com>
3836 * i386-protos.h (ix86_match_ccmode): Declare.
3837 * i386.c (ix86_match_ccmode): New.
3838 (ix86_expand_fp_compare): Update for pattern renames.
3839 (ix86_expand_strlensi_unroll_1): Likewise.
3840 * i386.h (EXTRA_CC_MODES): Add CCZ.
3841 (SELECT_CC_MODE): Use it for EQ/NE zero.
3842 * i386.md (cmpsi_ccz_1): New.
3844 (*testsi_ccz_1): New.
3845 (testqi_ccz_1): New.
3846 (cmpsi_ccno_1): Rename from cmpsi_0.
3847 (testsi_ccno_1): Rename from testsi_1.
3848 (testqi_ccno_1): Rename from testqi_1.
3849 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3850 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3851 (*cmphi_0): Use ix86_match_ccmode.
3852 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3853 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3854 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3855 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3856 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3857 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3858 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3859 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3860 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3861 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3862 (appropriate peepholes): Likewise.
3863 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3864 (*subsi_3, *subhi_3, *subqi_3): Remove.
3865 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3866 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3867 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3868 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3869 (x86_shift_adj_1): Use CCZ.
3870 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3872 2000-03-27 Stan Cox <scox@cygnus.com>
3874 * resource.h (mark_resource_type): New.
3875 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3876 find_free_register): Use mark_resource_type.
3877 (mark_set_resources): Change include_delayed_effects
3878 to mark_resource_type.
3879 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3880 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3881 Use mark_resource_type.
3883 2000-03-27 Richard Henderson <rth@cygnus.com>
3885 * i386.md (call_pop_0, call_value_pop_0): New.
3886 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3887 (call_value_pop_1): Likewise.
3888 (call_0, call_value_0): New.
3889 (call_1, call_value_1): Remove constraint from unused arg.
3891 2000-03-27 Nick Clifton <nickc@cygnus.com>
3893 * invoke.texi (Spec Files): Document new spec % command created by
3894 Tom Tromey's recent patch.
3896 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3898 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3901 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3903 * expr.c (expand_assignment): Fix typo in last change.
3905 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3907 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3909 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3910 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3911 and DECL_INLINE if FUNCTION_DECL.
3912 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3913 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3914 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3915 (combine_parm_decls): Likewise.
3916 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3917 * print-tree.c (print_node): Likewise.
3918 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3919 DECL_TRANSPARENT_UNION on proper decl types.
3920 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3921 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3922 DECL_BIT_FIELD of FIELD_DECL.
3923 * tree.h (DECL_RESULT_FLD): New macro.
3925 * expr.c (expand_assignment): Add code to handle variable-sized
3928 2000-03-26 Richard Henderson <rth@cygnus.com>
3930 * calls.c (expand_call): Pass parms not original exp to
3931 optimize_tail_recursion. Mind return value instead of looking
3933 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3934 call_expr. Move checks for call_expr and current_function_decl ...
3935 (expand_return): ... here.
3937 2000-03-26 Tom Tromey <tromey@cygnus.com>
3939 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3940 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3942 (process_command): Use them.
3943 (check_live_switch): Likewise.
3944 (give_switch): Skip ignored switches.
3946 2000-03-26 Jan Hubicka <jh@suse.cz>
3948 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3949 for minimal jump pass test.
3951 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3953 * integrate.c (function_cannot_inline_p): Do inline functions that
3956 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3958 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3959 now a list of TREE_LIST entries, not types.
3960 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3962 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3963 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3965 * config/mips/mips.c (function_arg): Likewise; also remove cast
3966 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3967 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3968 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3969 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3970 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3971 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3972 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3973 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3974 num_adjusts now unsigned.
3975 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3976 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3978 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3979 as is BITPOS variable; use host_integerp and int_bit_position.
3980 (function_arg_record_value_2): Likewise.
3981 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3982 Variable REGNO now unsigned.
3983 (function_arg_record_value): NREGS now unsigned.
3985 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3987 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3989 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3991 * Rework fields used to describe positions of bitfields and
3992 modify sizes to be unsigned and use HOST_WIDE_INT.
3993 * alias.c (reg_known_value_size): Now unsigned.
3994 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3995 (really_start_incremental_init): Use bitsize_zero_node.
3996 (push_init_level, pop_init_level, output_init_element): Likewise.
3997 Use bitsize_unit_node and bitsize_one_node.
3998 (output_pending_init_elements, process_init_element): Likewise.
3999 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4000 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4001 HOST_WIDE_INT, respectively.
4002 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4003 (num_sign_bit_copies): Returns unsigned.
4004 BITWIDTH now unsigned; rework arithmetic.
4005 Remove recursive call from arg to MAX.
4006 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4007 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4009 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4010 (find_split_point, expand_compound_operation, make_extraction): LEN
4011 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4012 (make_field_assignment): Likewise.
4013 (combine_simplify_rtx): Add cast.
4014 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4015 (force_to_mode): WIDTH now unsigned; add cast.
4016 (if_then_else_cond): SIZE now unsigned.
4017 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4018 (extended_count): Now returns unsigned.
4019 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4020 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4021 (simplify_comparison): MODE_WIDTH now unsigned.
4022 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4023 (mark_used_regs_combine): Likewise; rework arithmetic.
4024 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4025 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4026 (record_promoted_value): REGNO now unsigned.
4027 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4028 (get_last_value): REGNO now unsigned.
4029 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4030 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4031 (remove_death): Arg REGNO now unsigned.
4032 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4033 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4035 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4036 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4037 (struct cse_reg_info): REGNO now unsigned.
4038 (cached_regno): Now unsigned.
4039 (REGNO_QTY_VALID_P): Add cast.
4040 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4041 (remove_invalid_regs): Likewise.
4042 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4043 as are variables END and I.
4044 (get_cse_reg_info, insert): Likewise.
4045 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4046 (canon_hash): Likewise.
4047 (insert_regs, lookup_for_remove): REGNO now unsigned.
4048 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4050 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4051 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4052 * emit-rtl.c (subreg_realpart_p): Add cast.
4053 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4054 (operand_subword_force): Arg I is now unsigned.
4055 * except.c (eh_regs): Variable I is now unsigned.
4056 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4057 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4058 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4059 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4060 (extract_split_bit_field, store_bit_field, extract_bit_field):
4062 * expr.c (store_constructor_fields, store_constructor, store_field):
4063 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4064 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4065 (do_jump): Likewise.
4066 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4067 MAX_SIZE is now unsigned.
4068 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4069 (emit_group_store): Likewise.
4070 (emit_move_insn): I now unsigned.
4071 (store_constructor): Use host_integerp, tree_low_cst, and
4073 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4074 Rework all calculations to use trees and new fields.
4075 * expr.h (promoted_input_arg): Regno now unsigned.
4076 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4077 (mark_seen_cases): Arg is HOST_WIDE_INT.
4078 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4079 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4080 precisions and alignments are unsigned.
4081 (optimize_bit_field_compare, fold_truthop): Likewise.
4082 (int_const_binop): Adjust threshold for size_int_type_wide call.
4083 (fold_convert): Likewise.
4084 (size_int_type_wide): Make table larger and fix thinko that only
4085 had half of table used.
4086 (all_ones_mask_p, fold): Precisions are unsigned.
4087 * function.c (put_reg_info_stack): REGNO is unsigned.
4088 (instantiate_decl): Size is HOST_WIDE_INT.
4089 (instantiate_virtual_regs): I is unsigned.
4090 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4091 (promoted_input_arg): REGNO is unsigned.
4092 * function.h (struct function): x_max_parm_reg is now unsigned.
4093 * gcse.c (max_gcse_regno): Now unsigned.
4094 (struct null_pointer_info): min_reg and max_reg now unsigned.
4095 (lookup_set, next_set): REGNO arg now unsigned.
4096 (compute_hash_table): REGNO and I now unsigned.
4097 (handle_avail_expr): regnum_for_replacing now unsigned.
4098 (cprop_insn): REGNO now unsigned.
4099 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4100 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4101 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4102 * hard-reg-set.h (reg_class_size): Now unsigned.
4103 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4104 * jump.c (mark_modified_reg): I now unsigned; add cast.
4105 (rtx_equal_for_thread_p): Add cast.
4106 * loop.c (max_reg_before_loop): Now unsigned.
4107 (struct_movable): REGNO now unsigned.
4108 (try_copy_prop): REGNO arg unsigned.
4109 (regs_match_p): XN and YN now unsigned.
4110 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4111 (strength_reduce): Likewise; NREGS also unsigned.
4112 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4113 * loop.h (struct iv_class): REGNO now unsigned.
4114 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4116 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4117 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4118 * optabs.c (expand_binop): I and NWORDS now unsigned.
4119 (expand_unop): I now unsigned.
4120 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4121 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4122 * real.c (significand_size): Now returns unsigned.
4123 * real.h (significand_size): Likewise.
4124 * regclass.c (reg_class_size): Now unsigned.
4125 (choose_hard_reg_mode): Both operands now unsigned.
4126 (record_reg_classes): REGNO and NR now unsigned.
4127 (reg_scan): NREGS now unsigned.
4128 (reg_scan_update): old_max_regno now unsigned.
4129 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4130 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4131 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4132 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4133 Likewise for variable R.
4134 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4135 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4136 (find_equiv_reg): Add casts.
4137 (regno_clobbered_p): Arg REGNO now unsigned.
4138 * reload.h (struct reload): NREGS now unsigned.
4139 (refers_to_regno_for_reload_p): Regno args are unsigned.
4140 (regno_clobbered_p): Likewise.
4141 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4142 (compute_use_by_pseudos): REGNO now unsigned.
4143 (find_reg): I and J now unsigned, new variable K, and change loop
4144 variables accordingly; THIS_NREGS now unsigned.
4145 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4146 (spill_hard_reg): REGNO arg now unsigned; add casts.
4147 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4148 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4149 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4150 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4151 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4152 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4153 (emit_reload_insns): REGNO now unsigned.
4154 (reload_cse_move2add): Add cast.
4155 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4157 * resource.c (mark_referenced_resources, mark_set_resources): New
4158 variable R; REGNO and LAST_REGNO now unsigned.
4159 (mark_target_live_regs): J and REGNO now unsigned.
4160 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4161 * rtl.h (union rtunion_def): New field rtuint.
4162 (XCUINT): New macro.
4163 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4164 (operand_subword, operand_subword_force): Word number is unsigned.
4165 (choose_hard_reg_mode): Operands are unsigned.
4166 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4167 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4168 (regno_use_in, combine_instructions, remove_death): Likewise.
4169 (reg_scan, reg_scan_update): Likewise.
4170 (extended_count): Return is unsigned.
4171 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4172 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4173 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4174 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4175 (reg_reg_last_1): FIRS and LAST now unsigned.
4176 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4177 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4179 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4180 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4181 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4182 (replace_regs): Arg NREGS now unsigned.
4183 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4184 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4185 (simplify_binary_operation): Likewise.
4186 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4187 THIS_LAST now unsigned.
4188 (cselib_record_set): Add cast.
4189 * ssa.c (ssa_max_reg_num): Now unsigned.
4190 (rename_block): REGNO now unsigned.
4191 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4193 (all_cases_count): Just return -1 not -2.
4194 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4195 Rework tests to use trees whenever possible.
4196 Use host_integerp and tree_low_cst.
4197 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4198 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4199 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4200 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4201 (smallest_mode_for_size): Likewise.
4202 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4203 KNOWN_ALIGN is now an alignment, so simplify code.
4204 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4205 (start_record_layout): Renamed from new_record_layout_info.
4206 Update to new fields.
4207 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4209 (place_union_field): Renamed from layout_union_field.
4210 Update to use new fields in rli.
4211 (place_field): Renamed from layout_field.
4212 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4213 (finalize_record_size): Rework to use new fields in rli and handle
4215 (compute_record_mode): Rework to simplify and to use new DECL fields.
4216 (finalize_type_size): Make rounding more consistent.
4217 (finish_union_layout): Deleted.
4218 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4219 (layout_type, case RECORD_TYPE): Call new function names.
4220 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4221 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4222 (get_best_mode): UNIT is now unsigned; remove casts.
4223 * tree.c (bit_position): Compute from new fields.
4224 (byte_position, int_byte_position): New functions.
4225 (print_type_hash_statistics): Cast to remove warning.
4226 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4227 (build_index_type): Likewise; make subtype of sizetype.
4228 (build_index_2_type): Pass sizetype to build_range_type.
4229 (build_common_tree_nodes): Use size_int and bitsize_int to
4230 initialize nodes; add bitsize_{zero,one,unit}_node.
4231 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4232 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4233 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4234 (DECL_FIELD_BITPOS): Deleted.
4235 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4236 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4237 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4238 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4239 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4240 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4241 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4242 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4243 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4244 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4245 (DECL_ALIGN): Adjust to new field in union.
4246 (DECL_OFFSET_ALIGN): New field.
4247 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4248 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4249 (union tree_decl): Add struct for both aligns.
4250 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4251 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4252 (struct record_layout_info): Rework fields to have offset
4253 alignment and byte and bit position.
4254 (start_record_layout, place_field): Renamed from old names.
4255 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4256 (byte_position, int_byte_position): Likewise.
4257 (get_inner_reference): Change types of position and length.
4258 * unroll.c (unroll_loop): New variable R; use for some loops.
4259 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4260 (calculate_giv_inc): Arg REGNO now unsigned.
4261 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4262 * varasm.c (assemble_variable): Clean up handling of size using
4263 host_integerp and tree_low_cst.
4264 (decode_addr_const): Use byte, not bit, position.
4265 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4266 use tree_low_cst and int_bit_position.
4267 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4269 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4271 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4272 (reorder_block_def): New members eff_head and eff_end.
4273 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4274 (verify_insn_chain): New function.
4275 (skip_insns_between_block): Add code to skip deleted insns.
4276 Check for note before using.
4277 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4278 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4279 Check for note before using.
4280 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4281 (fixup_reorder_chain): Restructure, clean up, defect removal.
4282 (reorder_basic_blocks): Remove last_insn and references to it.
4283 Moved insn chain verification code into a new function (see above).
4284 Delete defective code that sets last insn.
4285 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4288 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4290 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4292 2000-03-24 Richard Henderson <rth@cygnus.com>
4294 * tree.c (lang_safe_for_unsave): Remove.
4295 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4296 allowing for two levels of unsafeness. Remove lang hook.
4297 * tree.h: Update declarations.
4298 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4299 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4300 Always fail sibcalls when there are pending cleanups.
4302 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4304 * flow.c (propagate_block): When we delete an ADDR_VEC,
4305 also delete the BARRIER following it if there is one.
4307 2000-03-24 Richard Henderson <rth@cygnus.com>
4309 * builtins.c (expand_builtin_bzero): Convert `length' argument
4312 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4314 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4315 comparison if regno's are equal.
4316 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4317 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4318 (expand_call): Update caller.
4319 Avoid making a sibling call if argument size of the callee is larger
4320 than argument size of the caller.
4321 Call hard_function_value with outgoing set if in sibcall pass.
4322 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4324 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4325 Change LEAF_REGISTERS from an array initializer to actual array
4326 identifier. Move static global variable into the function.
4327 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4328 sequences for leaf functions.
4329 * global.c (global_alloc): Likewise.
4330 * tm.texi (LEAF_REGISTERS): Update documentation.
4332 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4333 TARGET_FLAT leaf disabling hack.
4334 (LEAF_REGISTERS): Changed from an array initializer to actual array
4335 identifier to avoid duplication and remove the above hack.
4336 (FUNCTION_OK_FOR_SIBCALL): Define.
4337 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4338 always like call attribute.
4339 (eligible_for_sibcall_delay): New attribute.
4340 (sibcall): New delay type.
4341 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4342 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4343 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4344 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4345 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4347 (output_function_epilogue): Move part of the code into
4348 output_restore_regs.
4349 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4351 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4354 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4355 until infrastructure is finished.
4357 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4359 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4360 (save_parm_insns): Not here.
4362 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * builtins.c (expand_builtin_bzero): New function.
4365 (expand_builtin): Handle bzero.
4367 * builtins.def: Add BUILT_IN_BZERO.
4369 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4370 prototype & function for bzero.
4372 2000-03-23 Michael Meissner <meissner@redhat.com>
4374 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4375 change adding TARGET_FP to the TF floating point insns, except for
4376 trunctfsf2, which generates direct calls to truncdfsf2.
4378 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4380 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4381 try to protect against middle-end changes that break binary
4383 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4385 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4387 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4389 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4391 * calls.c (expand_call): If TARGET is passed by reference and
4392 is readonly, write a CLOBBER.
4394 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4396 * builtins.c (expand_builtin): Handle bcmp.
4398 * builtins.def: Add BUILT_IN_BCMP.
4400 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4401 prototype & function for bcmp.
4403 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4405 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4406 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4407 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4409 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4411 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4412 alternative when using -fp64 -gp32.
4414 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4416 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4417 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4418 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4420 * frame.h (frame_state): Revert last change.
4421 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4422 * libgcc2.c (throw_helper): Revert last change.
4424 2000-03-22 Richard Henderson <rth@cygnus.com>
4426 * stmt.c (expand_asm_operands): Don't promote the temporary.
4428 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4430 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4431 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4432 c_get_alias_set): Likewise.
4433 * c-decl.c (duplicate_decls): Likewise.
4434 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4435 * calls.c (initialize_argument_information): Likewise.
4436 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4438 * dwarfout.c (decl_class_context,output_type): Likewise.
4439 * expr.c (get_inner_reference): Likewise.
4440 * fold-const.c (simple_operand_p,fold): Likewise.
4441 * function.c (aggregate_value_p): Likewise.
4442 * stmt.c (expand_asm_operands): Likewise.
4443 * varasm.c (named_section): Likewise.
4445 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4447 Implement dwarf2 exception handling for the ARM.
4448 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4449 (DWARF_FRAME_RETURN_COLUMN): Define.
4450 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4451 REG_FRAME_RELATED_EXPR note.
4452 (emit_sfm): Likewise.
4453 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4454 * dwarf2out.c (reg_save): Handle saving a register to itself.
4455 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4456 * except.c (eh_regs): Don't use the static chain reg if it's
4458 * frame.h (frame_state): Add cfa_saved field.
4459 * frame.c (execute_cfa_insn): Set it.
4460 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4462 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4464 (instantiate_virtual_regs): Adjust.
4466 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4467 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4468 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4470 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4471 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4473 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4475 * builtins.def: New file.
4477 * Makefile.in (TREE_H): Depend on builtins.def.
4479 * builtins.c (built_in_names): Use builtins.def.
4481 * tree.h (built_in_function): Likewise.
4483 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4485 * tree.c (size_in_bytes): Return size_zero_node, not
4488 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4490 * config/fp-bit.c (pack_d): Correct the case when a denormal
4491 is rounded up and stops being denormal.
4493 2000-03-21 Richard Henderson <rth@cygnus.com>
4495 * config/alpha/alpha.c (function_arg): Check for void_type_node
4496 before using MUST_PASS_IN_STACK.
4498 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4500 * regmove.c (combine_stack_adjustments_for_block): Check that
4501 the stack pointer is a valid memory address.
4503 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4505 * calls.c: re-install Mar 16 emit_library_call merge.
4507 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4509 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4510 we cannot be sure that if reload_completed base register will
4511 be properly aligned.
4513 2000-03-21 Richard Henderson <rth@cygnus.com>
4515 * flow.c (delete_block): Fix typo last change.
4517 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4519 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4520 not COMPLETE_TYPE_P, to check the type of the expression.
4522 2000-03-21 Michael Meissner <meissner@redhat.com>
4524 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4525 all floating point insns that just tested the macro
4526 TARGET_HAS_XFLOATING_LIBS.
4527 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4528 used to only use the gprs.
4530 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4532 * tree.h (COMPLETE_TYPE_P): New macro.
4533 (COMPLETE_OR_VOID_TYPE_P): New macro.
4534 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4535 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4536 * c-aux-info.c (gen_type): Use them.
4537 * c-common.c (c_expand_expr_stmt): Likewise.
4538 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4539 grokdeclarator, grokparms, finish_struct, start_function,
4540 store_parm_decls, combine_parm_decls): Likewise.
4541 * c-parse.y (cast_expr): Likewise.
4542 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4543 c_size_in_bytes, c_alignof, build_component_ref,
4544 build_indirect_ref, build_array_ref, convert_arguments,
4545 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4546 * calls.c (initialize_argument_information): Likewise.
4547 * convert.c (convert_to_integer): Likewise.
4548 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4549 * dwarfout.c (location_or_const_value_attribute,
4550 output_enumeration_type_die, output_structure_type_die,
4551 output_union_type_die, output_type): Likewise.
4552 * expr.c (safe_from_p, expand_expr): Likewise.
4553 * function.c (assign_parms): Likewise.
4554 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4555 * tree.c (build_array_type, build_function_type,
4556 build_method_type, build_offset_type, build_complex_type): Likewise.
4557 * c-parse.c, c-parse.h: Regenerated.
4559 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4561 * config/c4x/rtems.h: Include config/rtems.h.
4563 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4565 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4566 decl is a FUNCTION_DECL
4568 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4570 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4571 function uses output registers. Don't save RP for leaf functions.
4572 Do save RP even if no epilogue.
4573 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4574 (CALL_USED_REGISTERS): Unmark in registers.
4575 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4578 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4580 * config/rs6000/rs6000.md (bunordered): New expander.
4581 (bordered): New expander.
4582 (buneq): New expander.
4583 (bunge): New expander.
4584 (bungt): New expander.
4585 (bunle): New expander.
4586 (bunlt): New expander.
4587 (bltgt): New expander.
4589 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4590 (ccr_bit_negated_p): New function.
4591 (print_operand): For %C, generate appropriate cror for UNEQ,
4592 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4594 2000-03-20 Andreas Jaeger <aj@suse.de>
4596 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4599 * tree.h (safe_for_unsave): Prototype.
4601 2000-03-20 Richard Henderson <rth@cygnus.com>
4603 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4604 (combine_stack_adjustments_for_block): Don't allow sp references
4605 in the side of a set we're not fixing up.
4606 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4607 after life_analysis.
4609 2000-03-20 Richard Henderson <rth@cygnus.com>
4611 * calls.c (expand_call): Don't bother generating tail call
4612 sequences if there are pending cleanups. Use
4613 expand_start_target_temps/expand_end_target_temps to elide
4614 cleanups created during sibcall expansion.
4616 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4618 * configure.in: Set $IFS to a value if it doesn't already have one
4619 in the --enable-checking handling.
4620 * configure: Regenerate.
4622 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4624 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4625 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4628 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4630 * jump.c (delete_noop_moves): Remove code attempting to
4631 combine stack adjustments.
4633 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4635 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4636 * except.c (emit_cleanup_handler): Use them.
4637 (expand_end_all_catch): Likewise.
4638 * function.c (fixup_var_refs): Likewise.
4639 (expand_function_end): Clear catch_clauses_last.
4640 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4641 * except.h (struct eh_status): New field x_catch_clauses_last.
4642 (catch_clauses_last): New define.
4644 * Makefile.in (tree.o): Depend on HASHTAB_H.
4645 * tree.c: Include hashtab.h.
4646 (struct type_hash): Remove next field.
4647 (TYPE_HASH_SIZE): Remove.
4648 (TYPE_HASH_INITIAL_SIZE): New define.
4649 (type_hash_table): Change type to htab_t.
4650 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4651 mark_hash_entry): New functions.
4652 (init_obstacks): Allocate type hash.
4653 (type_hash_lookup): Use htab functions.
4654 (type_hash_add, mark_type_hash): Likewise.
4655 (dump_tree_statistics): Call print_type_hash_statistics.
4657 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4659 * rs6000/t-aix41: New file.
4661 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4663 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4665 * tm.texi (Driver): Fix typos and tweak entry for
4667 Move misplaced STRUCT_FORCE_BLK entry ...
4668 (Storage Layout): ... to here.
4669 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4671 2000-03-19 Richard Henderson <rth@cygnus.com>
4673 * flow.c (delete_block): Delete the addr_vec along with the block.
4674 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4677 * fold-const.c (extract_muldiv): Apply type check for defined
4678 overflow to multiply as well as divide.
4680 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4682 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4684 * emit-rtl.c (remove_unncessary_notes): Check that all
4685 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4686 associated NOTE_BLOCK.
4687 * function.h (identify_blocks): Update comments.
4688 (reorder_blocks): Declare.
4689 * function.c (identify_blocks): Don't take paramters.
4690 (reorder_blocks): Don't take parameters.
4691 * loop.h (find_loop_tree_blocks): Remove.
4692 (unroll_block_trees): Likewise.
4693 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4694 reorder_blocks instead of unroll_block_trees.h
4695 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4696 * stmt.c (find_loop_tree_blocks): Remove.
4697 (unroll_block_trees): Likewise.
4698 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4699 in whole-function mode.
4700 * tree.h (reorder_blocks): Remove declaration.
4702 * expr.c: Include intl.h.
4703 * Makefile.in (expr.o): Depend on intl.h.
4705 2000-03-18 Richard Henderson <rth@cygnus.com>
4707 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4709 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4711 * tree.h (tree_index): Remove enumerals for integer types.
4712 (integer_type_kind): New type.
4713 (integer_types): New variable.
4714 (char_type_node): Adjust.
4715 (signed_char_type_node): Likewise.
4716 (unsigned_char_type_node): Likewise.
4717 (short_integer_type_node): Likewise.
4718 (short_unsigned_type_node): Likewise.
4719 (integer_type_node): Likewise.
4720 (unsigned_type_node): Likewise.
4721 (long_integer_type_node): Likewise.
4722 (long_unsigned_type_node): Likewise.
4723 (long_long_integer_type_node): Likewise.
4724 (long_long_unsigned_type_node): Likewise.
4725 * tree.c (integer_types): New variable.
4726 (init_obstacks): Register it as a root.
4728 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4730 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4731 NEXT_INSN. Update last insn in chain.
4733 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4735 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4736 with TYPE_DECL_SUPPRESS_DEBUG set.
4738 2000-03-18 Richard Henderson <rth@cygnus.com>
4740 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4742 2000-03-18 Richard Henderson <rth@cygnus.com>
4744 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4745 care for HALF_PIC_P.
4746 (expander_call_insn_operand): Remove.
4747 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4748 * i386.h (PREDICATE_CODES): Update.
4749 * i386.md (all call expanders): Remove predicates, remove special
4750 handling for half-pic.
4751 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4752 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4753 (sibcall_epilogue): New.
4755 2000-03-17 Richard Henderson <rth@cygnus.com>
4757 * rtlanal.c (single_set): Reject if the parallel has anything
4758 except SET or USE or CLOBBER.
4760 2000-03-17 Jeff Law <law@cygnus.com>
4761 Richard Henderson <rth@cygnus.com>
4763 * Makefile.in (OBJS): Add sibcall.o.
4765 * sibcall.c: New file.
4766 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4767 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4768 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4769 Emit sibcall patterns when requested. Update all callers.
4770 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4771 elimination seems feasable.
4772 * final.c (leaf_function_p): Sibling calls don't discount being
4774 * flow.c (HAVE_sibcall_epilogue): Provide default.
4775 (find_basic_blocks_1): Sibling calls don't throw.
4776 (make_edges): Make edge from sibling call to EXIT.
4777 (propagate_block): Don't remove sibcall_epilogue insns.
4778 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4779 (sibcall_epilogue): New.
4780 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4781 (identify_blocks_1): Likewise. Break out from ...
4782 (identify_blocks): ... here.
4783 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4784 (reorder_blocks): ... here.
4785 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4786 (record_insns): Extend a varray instead of mallocing new memory.
4787 (contains): Read a varray not array of ints.
4788 (sibcall_epilogue_contains): New.
4789 (thread_prologue_and_epilogue_insns): Emit and record
4790 sibcall_epilogue patterns.
4791 (init_function_once): Allocate prologue/epilogue varrays.
4792 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4793 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4795 (save_for_inline_nocopy): ... here.
4796 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4798 (expand_inline_function): ... here.
4799 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4800 (subst_constants): Handle 'n' formats.
4801 * jump.c (jump_optimize_minimal): New.
4802 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4803 optimizations if it's set.
4804 * rtl.c (copy_rtx): Do copy jump & call for insns.
4805 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4806 (SIBLING_CALL_P): New.
4807 (sibcall_use_t): New.
4808 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4809 Invoke optimize_sibling_and_tail_recursive_calls.
4810 * tree.c (lang_safe_for_unsave): New.
4811 (safe_for_unsave): New.
4812 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4814 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4815 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4816 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4818 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4820 * objc/objc-act.c (encode_method_prototype): Pass types, not
4821 PARM_DECLs, to int_size_in_bytes.
4823 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4825 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4827 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4828 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4830 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4832 * Clean up usages of TREE_INT_CST_LOW.
4833 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4834 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4836 * c-tree.h (min_precision): Move declaration to here.
4837 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4838 (build_unary_op, add_pending_init): Use bit_position.
4839 (pending_init_member, process_init_element): Likewise.
4840 (really_start_incremental_init, push_init_level, pop_init_level):
4841 Don't make copies of nodes or modify them in place, use consistent
4842 types when tracking positions, and use tree routines computations.
4843 (set_init_index, output_init_element): Likewise.
4844 (output_pending_init_elements, process_init_element): Likewise.
4845 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4846 tree_low_cst and int_bit_position; also minor cleanup.
4847 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4848 (print_cst_octal): Precision is unsigned.
4849 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4850 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4851 (simple_type_align_in_bits): Result is unsigned int.
4852 Use tree_int_low_cst and host_integerp.
4853 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4854 (field_byte_offset): Result is HOST_WIDE_INT.
4855 Change types of internal variables so alignments are unsigned int,
4856 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4857 Use host_integerp, tree_low_cst, and int_bit_position.
4858 (add_bit_offset_attribute): Likewise.
4859 (add_data_member_location_attribute): Use tree_cst_low.
4860 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4861 (add_bit_size_attribute): Use tree_low_cst.
4862 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4863 * dwarfout.c: Similar changes to dwarf2out.c.
4864 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4865 * genoutput.c (n_occurences): Return -1 for null string.
4866 (strip_whitespace): Accept null string and make into function.
4867 (scan_operands): Reflect above changes.
4868 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4869 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4870 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4871 * tree.c (int_size_in_bytes): Check for too big to represent.
4872 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4873 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4875 (min_precision): Delete from here.
4876 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4877 and int_bit_position.
4878 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4879 (encode_method_def): Likewise.
4880 (build_ivar_list_initializer): Use int_bit_position.
4881 (generate_shared_structures): Convert size.
4882 (encode_type, encode_complete_bitfield): Use integer_zerop.
4883 (encode_bitfield): Use tree_low_cst and int_bit_position.
4885 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4887 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4889 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4891 * call.c (special_function_p): It is only malloc if it returns
4894 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4896 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4897 (C33_FLAG, TARGET_C3X): Add macros.
4898 (TARGET_SWITCHES): Add -m33 option.
4899 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4901 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4903 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4904 (PARALLEL_PACK_FLAG): Delete.
4905 (TARGET_SWITCHES): Update.
4906 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4908 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4910 * fold-const.c (fold): Fix a few cases when the returned result
4911 is not of the same type as the input.
4913 2000-03-16 Nick Clifton <nickc@cygnus.com>
4915 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4918 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4920 * libgcc2.h: Move prototypes above macros with the same name.
4921 Wrap some function prototypes in the conditional which indicates
4922 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4924 2000-03-16 Richard Henderson <rth@cygnus.com>
4926 * calls.c: Revert last two changes.
4928 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4930 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4931 has exponent 0 is a zero.
4933 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4934 HASH may already be nonzero. Add code/mode into hash value
4935 immediately after repeat label.
4936 (cselib_lookup): Don't leave the hash table in an inconsistent
4937 state before a hash lookup operation.
4939 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4941 * i386.md (all HI and QI mode non-move patterns): Conditionize
4942 by TARGET_[HQ]IMODE_MATH.
4943 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4944 x86_promote_qi_regs): Declare.
4945 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4946 TARGET_PROMOTE_QI_REGS): New macros.
4947 (PROMOTE_MODE): New macro.
4948 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4949 x86_promote_qi_regs): New global variables.
4951 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4953 * calls.c (emit_library_call_value_1): Break out from ...; handle
4954 VOIDmode function calls too.
4955 (emit_library_call_value): ... here.
4956 (emit_library_call): Implement by calling emit_library_call_value_1.
4958 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4960 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4961 Update arg_space_so_far on stack adjustments.
4962 (emit_library_call, emit_library_call_value): Likewise; take into
4963 account arg_space_so_far and pending_stack_adjust when calculcating
4966 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4968 * flow.c: Move all basic block reordering code into its own file.
4969 (create_basic_block): Externalize.
4970 * bb-reorder.c: New file. Copy all basic block reordering code from
4971 flow.c to this file.
4972 (reorder_basic_blocks): Fix fencepost error in for-loop.
4973 (reorder_basic_blocks): Remove braces from single statement for-loops.
4974 * basic-block.h: Add declaration for create_basic_block.
4975 * Makefile.in: Add rules for bb-reorder.o.
4977 2000-03-16 Neil Booth <NeilB@earthling.net>
4979 * cppinit.c (handle_option): Implement #unassert directive
4980 as -A- command line option.
4981 (print_help): Update.
4982 * cpptexi.c: Update.
4984 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4986 * md.texi (Standard Names): Document `jump'.
4988 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4990 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4993 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4995 Merge changes from newppc-branch onto trunk.
4997 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4999 * rs6000.c (toc_hash_table): Update for new hash table functions.
5000 (toc_hash_function): Likewise.
5001 (toc_hash_eq): Likewise.
5002 (toc_hash_mark_entry): Likewise.
5003 (toc_hash_mark_table): Likewise.
5004 (output_toc): Likewise.
5005 (rs6000_add_gc_roots): Likewise.
5007 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5009 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5010 (AR_FLAGS_FOR_TARGET): here. New macro.
5012 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5014 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5015 fpmem_operand) Delete.
5017 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5018 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5019 (rs6000_save_machine_status, rs6000_restore_machine_status,
5020 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5021 references to above variables.
5022 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5023 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5024 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5025 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5026 (XER_REGNO_P, XER_REGNO): New.
5027 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5028 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5029 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5031 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5032 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5033 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5035 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5037 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5038 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5039 * rs6000.h: from here.
5041 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5042 (rs6000_select_rtx_section): Likewise.
5043 (rs6000_encode_section_info): Likewise.
5044 (sdata_section): Likewise.
5045 (sdata2_section): Likewise.
5046 (sbss_section): Likewise.
5047 * sysv4.h (rs6000_select_section): Delete prototype.
5048 (rs6000_select_rtx_section): Likewise.
5049 (rs6000_encode_section_info): Likewise.
5050 (sdata_section): Likewise.
5051 (sdata2_section): Likewise.
5052 (sbss_section): Likewise.
5053 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5055 * sysv4.h: Delete various unnecessary #undef's and put a comment
5056 on the remaining ones.
5057 Change various comments according to coding standard.
5059 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5061 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5062 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5063 (CR0_REGNO_P) Remove.
5064 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5065 setup_incoming_varargs, mtcrf_operation, print_operand,
5066 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5067 Use the above macros.
5069 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5071 * config/rs6000/rs6000.md: Added a new alternative for each
5072 pattern that had a 'x' alternative but no 'y' alternative.
5073 Added a new split for each of the above patterns.
5075 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5077 * aix41.h (ASM_CPU_SPEC): Delete.
5078 (CPP_CPU_SPEC): Delete.
5080 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5081 (ASM_OUTPUT_LABEL): Define.
5082 (ASM_GLOBALIZE_LABEL): Define.
5083 (STRIP_NAME_ENCODING): Define.
5084 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5085 (STRIP_NAME_ENCODING): Don't define.
5086 (ASM_OUTPUT_LABEL): Don't define.
5087 (ASM_GLOBALIZE_LABEL): Don't define.
5088 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5089 names, and ASM_OUTPUT_LABEL to output labels, rather than
5091 (ASM_OUTPUT_LABEL): Define.
5092 (ASM_OUTPUT_INT): Use assemble_name.
5093 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5094 (STRIP_NAME_ENCODING): Don't undefine first.
5095 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5097 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5098 specified with 'asm' even with -fleading-underscore.
5099 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5100 (output_epilog): Likewise.
5101 (output_toc): Likewise.
5102 * tramp.asm: Handle -fleading-underscore correctly.
5104 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5106 (nonlocal_goto_receiver): Delete.
5107 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5109 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5110 (SET_ASM_OP): Define.
5111 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5113 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5116 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5117 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5119 * rs6000.h: Add 'u' to more constants.
5121 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5123 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5125 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5127 * rs6000.c (reg_or_u_cint_operand): New function.
5128 (logical_operand): Handle 64-bit hosts.
5129 (logical_u_operand): New function.
5130 (non_logical_cint_operand): Handle 64-bit hosts.
5131 (non_logical_u_cint_operand): New function.
5132 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5133 (PREDICATE_CODES): Define new functions.
5134 * rs6000-protos.h: Declare new functions.
5135 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5136 (movdi_64): Bracket code intended for 64-bit hosts. Create
5137 CONST_DOUBLE for 32-bit values.
5138 (scc insns): Generate DImode compares.
5139 (mfcr insns): Create DImode versions.
5140 (sge matchers): New patterns.
5142 2000-02-15 Gabriel Paubert <paubert@iram.es>
5144 * rs6000.md: Correct instructions length attributes and
5145 constraints on unsigned compare instructions.
5146 (*ne0): Disable for PowerPC64.
5148 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5150 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5151 quantity, fix profile1.C test failure under -fPIC.
5153 * rs6000.c: Add 'u' to many constants to suppress warnings.
5154 (constant_pool_expr_1): Make static.
5155 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5156 * rs6000.h: Add 'u' to many constants to suppress warnings.
5158 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5159 for the start of the TOC, instead of LCTOC..0.
5160 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5162 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5163 (load_toc_aix_di): Use LCTOC..1.
5165 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5166 * rs6000.c (rs6000_legitimize_address): New function from
5167 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5168 symbols in the constant pool that really are TOC references.
5169 (print_operand_address): For ELF, write TOC offsets under
5170 -fPIC as subtractions in the insn.
5171 (output_toc): For ELF, define symbols in TOC as normal labels,
5173 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5174 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5175 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5176 * rs6000.md (movsi): Only use create_TOC_reference on
5177 symbols in the constant pool that really are TOC references.
5179 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5180 * rs6000.c (rs6000_reorg): Delete.
5181 * rs6000-protos.h (rs6000_reorg): Delete.
5183 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5185 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5187 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5188 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5189 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5190 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5191 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5192 rs6000_aix_emit_builtin_unwind_init.
5193 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5194 rs6000_emit_eh_toc_restore on AIX.
5195 (return_eh_si): Use r2.
5196 (return_eh_di): Use r2.
5198 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5199 since we're breaking binary compatibility anyway.
5201 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5203 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5204 constant_pool_expr_p): Declare them.
5205 (constant_pool_expr_p): Declare it.
5206 * config/rs6000/rs6000.c (toc_label_name): Define.
5207 (rs6000_override_options): Set toc_label_name.
5208 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5209 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5210 uses_TOC): New functions.
5211 (print_operand): Delete old '*' case.
5212 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5213 and strip off rtl for TOC before calling output_addr_const.
5214 (rs6000_emit_load_toc_table): Use toc_label_name.
5215 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5217 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5218 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5219 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5220 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5221 into explicit TOC_REGISTER offsets.
5222 (TOC_REGISTER): New macro.
5223 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5224 TARGET_TOC to reference TOC_REGISTER.
5225 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5226 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5227 uses_TOC before emitting label references.
5229 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5231 * rs6000.md (stack_tie): Fix warning.
5233 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5234 to handle -fleading-underscore.
5235 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5236 (USER_LABEL_PREFIX): New macro.
5237 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5238 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5239 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5240 call-linux can use the same multilibs.
5241 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5242 and call-linux multilibs. Do multilib with -fleading-underscore.
5243 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5244 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5247 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5248 have MASK_SOFT_FLOAT set.
5249 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5250 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5251 CPP_FLOAT_DEFAULT_SPEC.
5253 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5254 * rs6000.md: Whitespace change.
5255 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5256 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5258 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5260 * rs6000.md (eh_epilogue): New expander.
5261 (eh_reg_restore): New expand/split/insn combination.
5262 (return_eh_si): New insn.
5263 (return_eh_di): New insn.
5265 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5266 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5267 * eabi-ctors.c (__do_global_ctors): Register this object's
5268 frame. Clean up. Call atexit() after the constructors.
5269 (__do_global_dtors): Deregister this object's frame. Clean up.
5270 Allow for recursive calls to exit().
5271 * rs6000.c (fixuplabelno): New variable.
5272 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5273 TARGET_RELOCATABLE, it slows down exec() under linux.
5274 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5276 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5277 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5278 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5279 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5280 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5281 (ASM_OUTPUT_DWARF_ADDR): New macro.
5282 (ASM_OUTPUT_DWARF_DATA4): New macro.
5283 (ASM_OUTPUT_DWARF_DATA2): New macro.
5284 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5285 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5286 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5288 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5290 * rs6000.c (rs6000_sr_alias_set): New variable.
5291 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5292 (rs6000_emit_stack_tie): New function.
5293 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5294 in a way that dwarf2out can understand.
5295 (rs6000_frame_related): New function.
5296 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5297 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5298 Use rs6000_emit_stack_tie when needed.
5299 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5300 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5301 * rs6000.md (stack_tie): New insn.
5302 (return_internal_si): Allow return value to be in the count
5304 (return_internal_di): Likewise.
5306 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5308 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5310 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5312 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5314 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5316 * rs6000.md (stmw): Use the right POWER opcode.
5319 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5321 * rs6000-protos.h: New file.
5323 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5325 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5328 * sysv4.h: Likewise.
5330 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5332 * ../../configure.in: Delete powerpcle-*-winnt*
5333 and powerpcle-*-pe|powerpcle-*-cygwin*.
5334 * ../../configure: Regenerated.
5336 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5337 (TARGET_WINDOWS_NT): Delete.
5339 (CALL_NT_DLLIMPORT): Delete.
5340 Delete NT-specific code.
5341 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5344 * nt-ci.asm: Delete.
5345 * nt-cn.asm: Delete.
5346 * ntstack.asm: Delete.
5348 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5350 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5351 (ASM_FILE_START): Likewise.
5352 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5353 (ASM_OUTPUT_LABELREF): Likewise.
5354 (ASM_OUTPUT_SKIP): Likewise.
5355 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5356 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5357 (ASM_OUTPUT_CASE_LABEL): Likewise.
5358 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5359 (ASM_OUTPUT_ASCII): Likewise.
5361 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5363 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5364 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5365 increment rs6000_pic_labelno here.
5366 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5367 and increment rs6000_pic_labelno here.
5369 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5371 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5372 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5373 allocation knows (reg) is dead before the insn.
5375 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5377 * rs6000.md (movsi_to_cr): Correct typo in output template.
5379 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5381 * rs6000.c (rs6000_pic_labelno): Always define.
5382 (rs6000_pic_func_labelno): Delete.
5383 (lmw_operation): Check for a zero base register,
5384 which doesn't mean what we want.
5385 (stmw_operation): New function.
5386 (print_operand): Define new 'l' modifier.
5387 (rs6000_stack_info): We must save all 64 bits of the registers
5388 if TARGET_POWERPC64.
5389 (rs6000_output_load_toc_table): Delete.
5390 (rs6000_emit_load_toc_table): New function.
5391 (rs6000_allocate_stack_space): Delete.
5392 (rs6000_emit_allocate_stack): New function.
5393 (rs6000_emit_prologue): New function.
5394 (output_prolog): Use rs6000_emit_prologue.
5395 (rs6000_emit_epilogue): Change a few variable names to be
5396 more accurate. Restore all 64 bits of the registers if
5397 TARGET_POWERPC64. Only restore the FP registers which were used
5398 if they are being saved/restored one-at-a-time.
5399 (output_mi_thunk): Delete inefficient code generation.
5400 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5401 * rs6000.h: Declare rs6000_emit_load_toc_table,
5402 rs6000_allocate_stack_space, stmw_operation. Don't declare
5403 rs6000_output_load_toc_table.
5404 * rs6000.md (elf_high): Allow register 0, but discourage it
5406 (elf_low): Support loading into register 0.
5407 (load_toc_aix_si): New pattern.
5408 (load_toc_aix_di): New pattern.
5409 (load_toc_v4_pic_si): New pattern.
5410 (load_toc_v4_pic_di): New pattern.
5411 (load_toc_v4_PIC_1): New pattern.
5412 (load_toc_v4_PIC_1b): New pattern.
5413 (load_toc_v4_PIC_2): New pattern.
5414 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5415 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5416 (prologue): New expander.
5417 (movesi_from_cr): New pattern.
5418 (stmw): New pattern.
5419 (save_fpregs_si): New pattern.
5420 (save_fpregs_di): New pattern.
5422 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5424 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5429 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5431 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5433 (movsi_got_internal): Likewise.
5434 (movsi_got_internal+1): Likewise.
5435 (set_sp): 'unspec 7' does a SImode clobber.
5437 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5439 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5440 allocate a stack temporary.
5441 (floatsidf2_internal): Likewise.
5442 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5444 (floatunssidf2): Don't use the fpmem "register", just
5445 allocate a stack temporary.
5446 (floatunssidf2_internal): Likewise.
5447 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5449 (floatsidf2_loadaddr): Delete.
5450 (floatsidf2_store1): Delete.
5451 (floatsidf2_store2): Delete.
5452 (floatsidf2_load): Delete.
5453 (fix_truncdfsi2): Don't use the fpmem "register", just
5454 allocate a stack temporary.
5455 (fix_truncdfsi2_internal_si): Delete.
5456 (fix_truncdfsi2_internal_di): Delete.
5457 (fix_truncdfsi2_internal): New insn.
5458 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5459 (fix_truncdfsi2_store): Delete.
5460 (fix_truncdfsi2_load): Delete.
5461 (fctiwz): Produce gen_fctiwz.
5463 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5465 * eabi.h (INVOKE__main): Define.
5466 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5468 (rs6000_emit_prologue): Likewise.
5469 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5470 this is the main program.
5472 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5474 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5476 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5478 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5479 goes after the argument.
5481 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5483 * rs6000.md: Document 'unspec' values used.
5484 (epilogue): New expander.
5485 (movesi_to_cr_one): New expander.
5486 (movesi_to_cr and following): New pattern.
5488 (return_internal_si): New pattern.
5489 (return_internal_di): New pattern.
5490 (return_and_restore_fpregs_si): New pattern.
5491 (return_and_restore_fpregs_di): New pattern.
5492 * rs6000.h: Declare new functions.
5493 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5494 rather than rs6000_calls_p.
5495 (rs6000_makes_calls): Delete.
5496 (lmw_operation): New function.
5497 (mtcrf_operation): New function.
5498 (rs6000_emit_epilogue): New function.
5499 (output_epilog): Call rs6000_emit_epilogue and final if
5500 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5502 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5504 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5505 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5506 * aix.h (SUBTARGET_SWITCHES): Document switches.
5507 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5508 sched-prolog and sched-epilog the same. Document all the
5510 (TARGET_OPTIONS): No longer allow -mdebug-.
5512 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5514 * rs6000.h (ASM_FILE_END): Move to aix.h.
5515 (EXTRA_SECTIONS): Move to aix.h.
5516 (READONLY_DATA_SECTION): Move to aix.h.
5517 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5518 (SELECT_SECTION): Move to aix.h.
5519 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5520 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5521 (LINK_REGISTER_REGNUM): New definition.
5522 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5523 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5525 * sysv4.h: Delete the code between the inclusion of rs6000.h
5527 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5528 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5529 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5530 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5531 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5532 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5533 (fix_truncdfsi2_internal_di): New pattern.
5534 (fix_truncdfsi2_store): The second arg here is Pmode too.
5535 (fix_truncdfsi2_load): The second arg here is Pmode too.
5536 (tablejumpdi): Now that switch tables hold only SImode values,
5537 gcc needs to know how to add them to the pc which is DImode.
5538 * rs6000.c (rs6000_stack_info): Use symbolic name for
5539 LINK_REGISTER_REGNUM.
5540 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5541 (output_toc): Delete unused variables s1 and s2.
5542 (output_ascii): Use fputs not fprintf on a variable string.
5544 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5546 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5547 * aix43.h: Revert Aug 2 change.
5548 (HAS_INIT_SECTION): Define, not visible yet.
5549 (LD_INIT_SWITCH): Define, not visible yet.
5550 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5552 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5554 * config/rs6000/rtems.h: Include config/rtems.h.
5556 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5558 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5559 (SLOW_UNALIGNED_ACCESS): Define.
5560 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5561 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5562 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5563 (toc_section): Likewise and .toc pseudo-op.
5564 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5566 (TEXT_SECTION_ASM_OP): Likewise.
5567 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5570 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5572 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5573 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5576 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5578 * rs6000.h: Move more stuff from here...
5580 * sysv4.h: Cleanup accordingly.
5581 * netware.h: Likewise
5583 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5585 * rs6000.h: Continue cleanup.
5588 * netware.h: Likewise.
5590 * sysv4.h: Likewise.
5591 * win-nt.h: Likewise.
5593 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5594 (TARGET_OPTIONS): Likewise.
5596 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5597 (SUBTARGET_OPTIONS): Likewise.
5599 * rs6000.md: Fix compile time warnings.
5601 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5603 vxworks patches from the Cygnus tree originally by
5604 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5605 <vmakarov@cygnus.com>.
5606 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5607 (ENDFILE_SPEC): Likewise.
5608 (LIB_VXWORKS_SPEC): New macro.
5609 (STARTFILE_VXWORKS_SPEC): New macro.
5610 (ENDFILE_VXWORKS_SPEC): New macro.
5611 (LINK_START_VXWORKS_SPEC): New macro.
5612 (LINK_OS_VXWORKS_SPEC): New macro.
5613 (CPP_OS_VXWORKS_SPEC): New macro.
5614 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5615 * vxppc.h: Rewrite to use proper configuration method.
5616 * vxppcle.h: New file.
5617 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5618 * ../../configure: Rebuilt.
5620 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5622 Lots of changes to rs6000.h, sysv4.h, aix.h,
5623 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5624 with the aim that rs6000.h is the first header
5625 included and the others override it.
5628 * x-aix41-gld: Remove.
5630 * x-aix41: Remove target-specific switches, and don't specify
5631 -Wl,-bbigtoc as we don't need it any more.
5632 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5633 Use t-aix43 for AIX 4.3 and above.
5634 * ../../configure: Regenerated.
5636 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5637 options, that don't do anything yet.
5638 (MASK_SCHED_PROLOG): New macro.
5639 (MASK_SCHED_EPILOG): New macro.
5640 (TARGET_SCHED_PROLOG): New macro.
5641 (TARGET_SCHED_EPILOG): New macro.
5643 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5645 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5646 one per translation unit, not one per function.
5647 (output_toc): Also do duplicate constant elimination
5648 for per-translation-unit TOCs.
5650 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5651 a comment explaining _exactly_ when this pattern gets used.
5652 (builtin_setjmp_receiver): New pattern for better clarity.
5653 (init_v4_pic): Move it into a section dealing with TOC registers.
5655 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5657 * rs6000.c (toc_hash_table): New variable.
5658 (rs6000_hash_constant): New function.
5659 (toc_hash_function): New function.
5660 (toc_hash_eq): New function.
5661 (toc_hash_mark_entry): New function.
5662 (toc_hash_mark_table): New function.
5663 (output_toc): Don't output duplicate TOC entries in
5665 (rs6000_add_gc_roots): Add the hash table as a GC root.
5666 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5667 where they clearly shouldn't be. This may need to be fixed
5668 later when there is a GNU ar for AIX.
5669 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5670 Don't define BOOT_LDFLAGS as it is now not necessary.
5672 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5674 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5675 for va_list on AIX. Use unsigned_char_type_node rather than
5676 constructing our own version on svr4.
5678 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5680 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5681 since patently it's not.
5683 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5685 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5686 define_expand/define_insn pair, and handle restore of the
5687 SVR4 -fpic register.
5689 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5691 * acconfig.h (HAVE_GAS_WEAK): New define.
5692 * configure.in (assembler weak support): Check for .weak support.
5693 * config.in, configure: Rebuilt.
5694 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5695 HAVE_GAS_WEAK is defined.
5697 2000-03-15 Nick Clifton <nickc@cygnus.com>
5699 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5702 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5704 * cppfiles.c (open_include_file): New function.
5705 (find_include_file, cpp_read_file): Use it.
5707 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5709 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5711 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5713 * flow.c (verify_flow_info): Check for unconditional return.
5715 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5717 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5718 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5719 (__ia64_restore_stack_nonlocal): New.
5720 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5722 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5724 * cpphash.c (collect_formal_parameters): Do not complain about
5725 parameter names that just start with `__VA_ARGS__'.
5727 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5729 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5730 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5731 * i386.c (pentiumpro_cost): Set mul cost to 4.
5732 (x86_use_movx): Set for PPro.
5734 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5736 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5737 STACK_BOUNDARY for empty frames now.
5739 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5741 * stor-layout.c (layout_union): Remove.
5742 (layout_union_field): New function, split out from layout_union.
5743 (finish_union_layout): Likewise.
5744 (layout_field): Handle unions by calling layout_union_field.
5745 (finish_record_layout): Handle unions.
5746 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5747 QUAL_UNION_TYPE handling.
5749 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5751 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5752 end of basic block is jump_insn, not barrier; use create_basic_block
5753 instead of creating basic block by hand.
5755 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5757 * flow.c (reorder_basic_blocks): Account for barriers when writing
5758 over NEXT_INSN (last_bb->end).
5759 (verify_flow_info): Add check for missing barriers.
5761 2000-03-14 Greg McGary <gkm@gnu.org>
5763 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5764 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5765 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5766 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5767 __unbounded, __unbounded__): New keywords.
5768 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5769 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5770 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5772 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5774 * cselib.h: New file.
5775 * alias.c: Include "cselib.h".
5776 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5777 MEMs as two new arguments.
5778 (get_addr): New static function.
5779 (find_base_term): Handle VALUEs.
5780 (memrefs_conflict_p): Likewise.
5781 (true_dependence): Call get_addr on the addresses.
5782 Call fixed_scalar_and_varying_struct_p with addresses that have been
5783 passed through get_addr and canon_rtx.
5784 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5785 with true_dependence.
5786 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5787 * loop.c: Include "cselib.h".
5788 (load_mems): Process extended basic block that enters the loop with
5789 cselib. Use that information to change initialization of the shadow
5790 register so that a constant equivalence is seen by later passes.
5791 * reload1.c: Include "cselib.h".
5792 (reload_cse_invalidate_regno): Delete function.
5793 (reload_cse_mem_conflict_p): Likewise.
5794 (reload_cse_invalidate_mem): Likewise.
5795 (reload_cse_invalidate_rtx): Likewise.
5796 (reload_cse_regno_equal_p): Likewise.
5797 (reload_cse_check_clobber): Likewise.
5798 (reload_cse_record_set): Likewise.
5799 (reg_values): Delete static variable.
5800 (invalidate_regno_rtx): Likewise.
5801 (reload_cse_delete_noop_set): New static function.
5802 (reload_cse_simplify): New static function, broken out of
5804 (reload_cse_noop_set_p): Delete unused argument INSN.
5805 Just call rtx_equal_for_cselib_p on set source and destination.
5806 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5807 reload_cse_delete_noop_set. Delete code to keep track of values; use
5808 cselib functions instead. Delete code to push/pop obstacks.
5809 (reload_cse_simplify_set): Use cselib to find equivalent values.
5810 Delete code to push/pop obstacks.
5811 (reload_cse_simplify_operands): Likewise.
5812 * rtl.def (VALUE): New rtx code.
5813 * rtl.h (union rtunion_def): New elt rt_cselib.
5814 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5815 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5816 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5817 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5818 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5819 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5820 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5821 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5822 cselib_record_set, cselib_record_sets): New static functions.
5823 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5824 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5825 references_value_p): New functions.
5826 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5827 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5828 n_useless_values, reg_values, callmem, cselib_obstack,
5829 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5830 New static variables.
5831 * varray.h (union varray_data_tag): New elt te.
5832 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5833 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5836 2000-03-14 Nick Clifton <nickc@cygnus.com>
5838 * gcc.c (do_spec_1): Catch the case where %* is used in a
5839 substitution pattern, but it has not been initialised.
5840 Issue a meaningful error message if an unrecognised operator
5841 is encountered in a spec string.
5843 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5845 * function.c (prepare_function_start): Correctly initialize
5846 cfun->stack_alignment_needed.
5848 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5850 * cppfiles.c (find_include_file): Don't assume nshort is a
5853 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5855 * configure.in (hppa configurations): Add pa32-regs.h to the
5856 list of tm files as appropriate.
5857 * configure: Rebuilt.
5858 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5860 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5861 (fmpyaddoperands, fmpysuboperands): Likewise.
5862 * pa.h: Remove various definitions which depend on knowing
5863 how registers are numbered.
5864 * pa32-regs.h: New file with PA32 register numbering specific
5867 2000-03-14 Richard Henderson <rth@cygnus.com>
5869 * regmove.c (combine_stack_adjustments): New.
5870 (stack_memref_p, single_set_for_csa): New.
5871 (free_csa_memlist, record_one_stack_memref): New.
5872 (try_apply_stack_adjustment): New.
5873 (combine_stack_adjustments_for_block): New.
5874 * rtl.h (combine_stack_adjustments): Declare.
5875 * toplev.c (rest_of_compilation): Call it.
5877 * i386.md: Revert 2000-01-16 change.
5879 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5881 * gccbug.in: Add web category, gcc specific classes.
5883 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5885 * stor-layout.c (finalize_record_size): Fix typo.
5887 2000-03-14 Stan Shebs <shebs@apple.com>
5889 * c-typeck.c (c_alignof): Error on incomplete types.
5890 * extend.texi (Alignment): Document this.
5892 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5894 * cppfiles.c: Include mkdeps.h.
5895 (find_include_file, read_include_file): Remove _cpp_ prefix
5896 from name, make static.
5897 (_cpp_execute_include): New function, broken out of
5900 * cpplib.c: Don't include mkdeps.h.
5901 (struct directive): Remove type field. Reorder entries. The
5902 function takes only one argument.
5903 (struct if_stack): Make type field an int.
5904 (directive_table): Rename to dtable. Generate it, the
5905 prototypes of the directive handlers, and the enum for the
5906 directive numbers, from a template macro.
5907 (do_ifndef, do_include_next, do_import): New functions.
5908 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5909 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5910 do_ident, do_assert, do_unassert, do_sccs): Take only one
5912 (do_sccs): Define always, but alter behavior based on
5914 (_cpp_handle_directive, consider_directive_while_skipping):
5915 Restructure for new directive table layout.
5917 (pass_thru_directive): Take a directive number, not a pointer
5918 to a struct directive.
5919 (parse_include): New function, broken out of do_include.
5920 (do_include, do_import, do_include_next): Use parse_include
5921 and _cpp_execute_include.
5922 (do_elif, do_else): Test for T_ELSE specifically when checking
5923 for #elif/#else after #else.
5924 (parse_ifdef): New function, broken out of do_ifdef.
5925 (validate_else): Expect a name arg without a leading #.
5926 (if_directive_name): Delete.
5927 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5928 directive handlers with only one argument.
5930 * cpphash.h: Update prototypes.
5931 (enum node_type): Remove entries for directives.
5932 * Makefile.in: Update dependencies.
5934 * cpphash.c (dump_hash_helper): Only dump nodes of type
5935 T_MACRO. Emit a newline after each definition.
5937 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5939 * gccbug.in: New file.
5940 * configure.in (all_outputs): Add gccbug.
5941 * Makefile.in (install-common): Install gccbug.
5942 (GCCBUG_INSTALL_NAME): New variable.
5943 * configure: Rebuilt.
5945 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5947 * function.c (put_var_into_stack): Use type_for_mode to calculate
5948 part_type. Use MEM_SET_IN_STRUCT_P.
5949 * expr.c (store_field): Handle CONCAT.
5950 (store_constructor): Use fields_length.
5951 * tree.c (fields_length): New fn.
5952 * tree.h: Declare it.
5954 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5956 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5957 (cpplex.o): New target.
5958 * po/POTFILES.in: Add cpplex.c.
5960 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5961 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5962 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5963 skip_block_comment, skip_line_comment, skip_comment,
5964 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5965 _cpp_parse_name, skip_string, parse_string,
5966 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5967 _cpp_get_directive_token, find_position,
5968 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5969 (maybe_macroexpand, _cpp_lex_token): New functions.
5971 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5972 parse_goto_mark): Delete.
5973 (_cpp_handle_eof): New function.
5974 (_cpp_handle_directive): Rename from handle_directive.
5975 (_cpp_output_line_command): Rename from output_line_command.
5976 (do_if, do_elif): Call _cpp_parse_expr directly.
5977 * cppfiles.c (_cpp_read_include_file): Don't call
5978 init_input_buffer here.
5979 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5980 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5981 here; pop the token_buffer and skip the rest of the line here.
5982 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5985 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5987 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5988 CPP_GOTO_MARK): New macros.
5989 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5990 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5991 _cpp_read_and_prescan, _cpp_init_input_buffer,
5992 _cpp_grow_token_buffer, _cpp_get_directive_token,
5993 _cpp_handle_directive, _cpp_handle_eof,
5994 _cpp_output_line_command): Prototype them here.
5995 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5996 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5997 quote_string, output_line_command): Remove.
5999 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6001 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6002 whether it is too large we must also verify that it isn't negative.
6004 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6006 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6007 (movsi_zero_liveg0): Remove.
6008 (movsf_insn_novis_liveg0): Remove.
6010 (negsi2_not_liveg0): Rename to negsi2.
6011 (one_cmplsi2): Remove.
6012 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6013 (one_cmplsi2_liveg0): Remove.
6014 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6015 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6016 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6017 (PREDICATE_CODES): Remove zero_operand.
6018 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6019 TARGET_BROKEN_SAVERESTORE.
6020 (zero_operand): Remove.
6021 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6022 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6024 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6025 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6026 TARGET_BROKEN_SAVERESTORE): Remove.
6027 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6029 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6031 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6034 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6036 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6038 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6039 truncating a string. Don't assume tokens are nul terminated.
6040 Problem noted by Andreas Jaeger <aj@suse.de>
6042 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6044 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6045 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6046 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6048 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6050 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6051 STRUCTURE_SIZE_BOUNDARY.
6053 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6055 * tree.h (record_layout_info_s): New structure.
6056 (record_layout_info): New type.
6057 (new_record_layout_info): New function.
6058 (layout_field): Likewise.
6059 (finish_record_layout): Likewise.
6060 * stor-layout.c (layout_record): Remove.
6061 (new_record_layout_info): New function.
6062 (layout_field): New function, broken out from layout_record.
6063 (finalize_record_size): Likewise.
6064 (compute_record_mode): Likewise.
6065 (finalize_type_size): New function, broken out from layout_type.
6066 (finish_record_layout): Likewise.
6067 (layout_type): Use them.
6069 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6071 * cpphash.c: Don't include version.h.
6072 (special_symbol) [case T_VERSION]: Look for the string in
6073 hp->value.cpval; don't use version_string.
6074 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6075 __VERSION__ to version_string.
6076 * Makefile.in (cpphash.o): Update deps.
6078 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6080 Convert cpplib to use libiberty/hashtab.c.
6082 * cpplib.h (struct cpp_reader): Make hashtab and
6083 all_include_files of type 'struct htab *'. Delete HASHSIZE
6084 and ALL_INCLUDE_HASHSIZE macros.
6086 * cpphash.h: Update prototypes.
6087 (struct hashnode): Remove next, prev, and bucket_hdr members.
6088 Make length a size_t. Add hash member.
6089 (struct ihash): Remove next member. Add hash member. Make
6090 name a flexible array member.
6092 * cppfiles.c: Include hashtab.h.
6093 (include_hash): Delete.
6094 (IHASHSIZE): New macro.
6095 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6096 (cpp_included): Do the hash lookup here.
6097 (_cpp_find_include_file): Rewrite.
6098 (cpp_read_file): Put the "fake" hash entry into the hash
6099 table. Honor the control_macro, if it turns out we've seen
6100 the file before. Don't push the buffer here.
6101 (_cpp_read_include_file): Push the buffer here.
6102 (OMODES): New macro. Use it whenever we call open(2).
6104 * cpphash.c: Include hashtab.h.
6105 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6106 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6107 _cpp_lookup_slot): New functions.
6108 (HASHSIZE): new macro.
6109 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6110 (_cpp_lookup): Use hashtab.h routines.
6112 * cppinit.c: Include hashtab.h.
6113 (cpp_reader_init): Call _cpp_init_macro_hash and
6114 _cpp_init_include_hash. Don't allocate hashtab directly.
6115 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6116 pfile->all_include_files.
6117 (initialize_builtins): Use _cpp_make_hashnode and
6118 htab_find_slot to add hash entries.
6119 (cpp_finish): Just call _cpp_dump_macro_hash.
6120 * cpplib.c: Include hashtab.h.
6121 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6122 create hash entries.
6123 (do_pragma_poison, do_assert): Likewise.
6124 (do_include): Don't push the buffer here. Don't increment
6125 system_include_depth unless _cpp_read_include_file succeeds.
6126 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6128 (do_pragma_implementation): Use alloca to create copy.
6130 * Makefile.in: Update dependencies.
6132 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6134 * cppinit.c (cl_directive_handler): More K&R fixing.
6136 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6138 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6140 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6142 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6144 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6145 Change from char[] to macros.
6147 2000-03-12 Neil Booth <NeilB@earthling.net>
6149 * cppinit.c (cpp_start_read): Update indirect function
6152 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6154 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6157 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6158 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6160 2000-03-11 Neil Booth <NeilB@earthling.net>
6162 * cppinit.c (struct pending option): Replace undef with a
6163 pointer to a directive handling routine.
6164 (struct cpp_pending): Replace separate assert_ and define_
6165 lists with one directive_ list.
6166 (new_pending_define): Rename new_pending_directive. Extra
6167 argument is the directive's handling routine.
6168 (handle_option): Update to use new_pending_directive.
6170 2000-03-11 Neil Booth <NeilB@earthling.net>
6172 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6173 remap_filename, _cpp_read_include_file, actual_directory,
6174 hack_vms_include_specification): Replace bcopy(), index() etc
6175 calls. Add casts to some allocations. Make some variables
6176 pointers to const [unsigned] char.
6177 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6178 collect_formal_parameters): Similarly.
6179 * cppinit.c (struct pending_option, append_include_chain,
6180 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6181 cpp_start_read, new_pending_define, handle_option): Similarly.
6182 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6183 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6184 do_pragma_implementation, detect_if_not_defined,
6185 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6186 do_assert, do_unassert): Similarly.
6187 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6188 function prototypes.
6189 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6191 2000-03-10 Richard Henderson <rth@cygnus.com>
6193 * builtins.c (expand_builtin_strlen): Revert last change.
6194 Use emit_insn_before if we're at the beginning of a sequence.
6196 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6198 * builtins.c (expand_builtin_strlen): Make sure that we have something
6199 at the beginning of the sequence.
6201 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6204 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6206 2000-03-10 Richard Henderson <rth@cygnus.com>
6208 * except.c (can_throw): Use INTVAL on a CONST_INT.
6209 (reachable_handlers): Likewise.
6210 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6212 2000-03-10 Andreas Jaeger <aj@suse.de>
6214 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6215 MD_STARTFILE_PREFIX since those are not needed on linux.
6216 (ASM_FILE_START): New, from mips/gnu.h.
6218 2000-03-09 Richard Henderson <rth@cygnus.com>
6219 Alex Samuel <samuel@codesourcery.com> and others
6221 * Makefile.in (ssa.o): New rule.
6223 (STAGESTUFF): Add *.ssa and *.ussa.
6224 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6225 * rtl.def (PHI): New RTL expression.
6226 * rtl.h (clear_log_links): New declaration.
6227 (convert_to_ssa): Likewise.
6228 (convert_from_ssa): Likewise.
6229 * flow.c (split_edge): If the entry node falls through to the
6230 split edge's source block, split the entry edge.
6231 (clear_log_links): New function.
6232 * toplev.c (ssa_dump): New variable.
6233 (flag_ssa): Likewise.
6234 (f_options): Add "ssa".
6235 (compile_file): Create SSA dump files.
6236 (rest_of_compilation): Go to and from SSA if enabled.
6237 (decide_d_option): Handle -de for SSA dump files.
6240 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6242 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6245 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6247 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6249 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6251 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6252 (MD_STARTFILE_PREFIX_1): New macro.
6254 2000-03-09 Robert Lipe <robertl@sco.com>
6256 * config/ia64/ia64.c: Include system.h.
6258 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6260 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6261 (init_eh_nesting_info): Likewise.
6263 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6264 (TREE_NOTHROW): Rename from TREE_RAISES.
6265 * toplev.c (rest_of_compilation): Set it.
6266 * print-tree.c (print_node): Adjust.
6267 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6268 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6269 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6270 REG_EH_REGION note as appropriate.
6271 (libfunc_nothrow): New fn.
6272 (emit_library_call, emit_library_call_value): Use it.
6273 (expand_call): Check TREE_NOTHROW.
6275 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6276 DECL_ASSEMBLER_NAME.
6278 2000-03-09 Andreas Jaeger <aj@suse.de>
6280 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6281 (TARGET_MEM_FUNCTIONS): Define.
6283 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6285 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6287 * except.c (can_throw): See through a SEQUENCE.
6288 (nothrow_function_p): New fn.
6289 * except.h: Declare it.
6290 * function.c (current_function_nothrow): New var.
6291 (prepare_function_start): Initialize it.
6292 * output.h: Declare it.
6293 * toplev.c (rest_of_compilation): Set it.
6294 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6296 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6298 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6299 match. (cpp_compare_defs): Count the nul separator when
6300 advancing over argument names.
6302 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6304 * recog.c (preprocess_constraints): Matching constraints affect
6305 same alternative/different operand, not same operand/different
6308 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6309 register and a constant specially.
6311 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6313 * libgcc2.h: New file.
6314 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6316 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6318 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6319 * configure: Regenerate.
6322 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6324 * Makefile.in (LIBCPP_DEPS): New macro.
6325 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6327 * cpperror.c: Include cpphash.h.
6328 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6330 (lex): Don't use CPP_WARN_UNDEF.
6331 (_cpp_parse_expr): Return an int, the truth value.
6332 * cppfiles.c: Include cpphash.h.
6333 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6334 * cppinit.c (include_defaults_array): Disentangle.
6335 (cpp_cleanup): Don't free the if stack here.
6336 (cpp_finish): Pop off all buffers, not just one.
6337 * cpplib.c (eval_if_expr): Return int.
6338 (do_xifdef): Rename do_ifdef.
6339 (handle_directive): Don't use CPP_PREPROCESSED.
6340 (cpp_get_token): Don't use CPP_C89.
6341 * fix-header.c: Don't use CPP_OPTIONS.
6343 * cpplib.h: Move U_CHAR, enum node_type, struct
6344 file_name_list, struct ihash, is_idchar, is_idstart,
6345 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6346 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6347 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6348 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6349 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6350 of _cpp_simplify_pathname, _cpp_find_include_file,
6351 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6352 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6354 Change all uses of U_CHAR to be unsigned char instead.
6355 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6357 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6359 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6360 (dwarf2out_begin_prologue): Set it.
6361 (output_call_frame_info): Don't emit EH unwind info for leaves.
6363 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6364 can occur outside of an EH region.
6365 * except.c: Correct comments about rethrow behavior.
6366 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6368 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6370 * flow.c (make_edges): Always call make_eh_edge for calls.
6372 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6374 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6375 (struct cpp_buffer): Remove fname and underflow fields.
6376 (struct cpp_reader): Remove get_token field.
6377 (struct include_hash): Rename to struct ihash. Add typedef to
6379 (struct if_stack): Remove fname field.
6380 (IF_STACK_FRAME): Rename to IF_STACK.
6382 * cpperror.c (print_containing_files): Trust that there are no
6383 macro buffers below the top file buffer.
6384 * cppfiles.c: Replace all references to 'struct include_hash'
6385 with 'IHASH'. Rename initialize_input_buffer to
6386 init_input_buffer. Don't set or reference cpp_buffer->fname,
6387 use buffer->ihash->name instead.
6388 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6389 not CPP_NULL_BUFFER.
6390 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6391 IF_STACK_FRAME, IHASH not struct include_hash.
6392 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6393 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6394 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6395 references to cpp_buffer->fname (delete entirely, or use
6396 ->ihash->name instead) and IF_STACK->fname.
6397 (cpp_push_buffer): Don't set new->underflow.
6398 (do_include): Use cpp_file_buffer.
6400 * cpphash.c (collect_formal_parameters): Remove duplicate
6401 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6402 used as a macro argument name. Don't append "..." to namebuf
6403 for varargs macros. After we're done scanning, go through
6404 namebuf and make it NUL separated, not comma separated.
6405 (_cpp_compare_defs): Remove register tag from variables.
6406 Expect defn->argnames to be NUL separated.
6407 (_cpp_dump_definition): Expect defn->argnames to be NUL
6408 separated and in forward order.
6409 * cpphash.h: Update documentation of argnames field.
6411 2000-03-08 Richard Henderson <rth@cygnus.com>
6413 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6414 to fail. Don't pre-expand the source operand.
6416 * i386.md (strlensi): Initialize eoschar and align before use.
6418 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6420 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6421 CONSTRUCTOR element.
6423 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6425 * mips.c (mips_expand_prologue): If the last
6426 named argument is the vararg marker "va_list", treat it as
6427 an unnamed argument.
6429 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6431 * dbxout.c (dbxout_parms): When correcting for promoted
6432 big-endian parameters, use the mode of the DECL_RTL rather
6433 than UNITS_PER_WORD.
6435 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6437 * c-common.h (make_fname_decl): Declare.
6438 * c-common.c (make_fname_decl): Define.
6439 (declare_hidden_char_array): Remove.
6440 (declare_function_name): Use make_fname_decl.
6441 * c-decl.c (c_make_fname_decl): New function.
6442 (init_decl_processing): Set make_fname_decl.
6444 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6446 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6448 2000-03-07 Philipp Thomas <pthomas@suse.de>
6450 * po/POTFILES.in: Remove cppalloc.c from file list.
6452 2000-03-07 Steve Chamberlain <sac@pobox.com>
6454 * pj.c (pj_expand_prologue): current_function->args_info is
6455 now current_function_args_info.
6457 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6458 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6459 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6461 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6463 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6464 output as hexadecimal rather than the default octal.
6466 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6468 * cpphash.c (special_symbol): Fix thinko in previous commit.
6470 2000-03-07 Neil Booth <NeilB@earthling.net>
6472 * cppexp.c (struct operation, left_shift, right_shift,
6473 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6474 "int"s to "unsigned int"s.
6475 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6477 * cpplib.h: Update for above.
6478 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6479 returned from allocations.
6481 * cppinit.c (opt_comp, parse_options): New functions.
6482 (handle_option): Use parse_option to parse a single command
6483 line option, that possibly takes an argument.
6484 (cpp_handle_options): Sort the array of command line options on
6485 first invocation (non-ASCII hosts only).
6486 (print_help): Update.
6488 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6490 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6491 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6493 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6495 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6497 * cpperror.c (cpp_print_containing_files,
6498 cpp_print_file_and_line, v_cpp_message): Rename to
6499 print_containing_files, print_file_and_line, and v_message.
6500 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6501 to _cpp_parse_expr, parse_escape, and lex.
6502 (parse_charconst): Remove broken multibyte support.
6503 * cppfiles.c (include_hash): Make static.
6504 (cpp_included): New function.
6505 (merge_include_chains, find_include_file, finclude,
6506 simplify_pathname): Rename to _cpp_merge_include_chains,
6507 _cpp_find_include_file, _cpp_read_include_file, and
6508 _cpp_simplify_pathname.
6509 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6510 cpp_install, create_definition, macroexpand, compare_defs,
6511 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6512 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6513 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6514 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6516 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6518 * cpphash.h: Update prototypes.
6519 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6521 2000-03-07 Andrew Haley <aph@cygnus.com>
6523 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6524 PTRDIFF_TYPE should be based solely on Pmode.
6527 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6529 * rtl.h (rtunion_def): Constify member `rtstr'.
6530 (emit_line_note_after, emit_line_note, emit_line_note_force,
6531 emit_note, decode_asm_operands): Constify.
6533 * cse.c (canon_hash): Likewise.
6535 * dbxout.c (dbxout_block): Likewise.
6537 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6538 v_warning_for_asm): Likewise.
6540 * dwarfout.c (function_start_label): Likewise.
6542 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6543 emit_line_note_force): Likewise.
6545 * final.c (last_filename, asm_insn_count, final_scan_insn,
6546 output_source_line): Likewise.
6548 * function.h (struct emit_status): Likewise.
6550 * gcse.c (hash_expr_1): Likewise.
6552 * genattr.c (gen_attr, main): Likewise.
6554 * genattrtab.c (struct function_unit, current_alternative_string,
6555 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6556 attr_numeral, check_attr_test, check_attr_value,
6557 convert_set_attr_alternative, convert_set_attr,
6558 compute_alternative_mask, simplify_by_exploding, gen_attr,
6559 gen_unit): Likewise.
6561 * genflags.c (gen_insn): Likewise.
6563 * gengenrtl.c (type_from_format): Likewise.
6565 * genopinit.c (gen_insn): Likewise.
6567 * genoutput.c (n_occurrences, process_template, process_template):
6570 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6573 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6576 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6577 ggc_set_mark, ggc_get_size): Likewise.
6579 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6581 * optabs.c (init_one_libfunc): Likewise.
6583 * output.h (assemble_start_function): Likewise.
6585 * recog.c (decode_asm_operands): Likewise.
6587 * toplev.c (rest_of_compilation): Likewise.
6589 * tree.h (emit_line_note_after, emit_line_note,
6590 emit_line_note_force): Likewise.
6592 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6593 asm_emit_uninitialised, assemble_start_function,
6594 assemble_variable, const_hash, compare_constant_1,
6595 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6597 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6599 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6601 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6603 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6605 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6606 arm_dllimport_name_p): Likewise.
6608 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6611 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6613 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6615 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6616 arm_mark_dllexport, arm_mark_dllimport,
6617 arm_pe_encode_section_info): Likewise.
6619 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6620 ASM_FINISH_DECLARE_OBJECT): Likewise.
6622 * arm/thumb.c (thumb_function_prologue): Likewise.
6624 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6626 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6628 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6630 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6632 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6634 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6636 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6637 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6639 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6641 * i386/i386.c (asm_output_function_prefix): Likewise.
6643 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6645 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6647 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6649 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6650 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6651 ASM_OUTPUT_SECTION_NAME): Likewise.
6653 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6655 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6657 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6659 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6661 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6663 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6665 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6667 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6669 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6671 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6673 * mips/mips.md (movdi, movsi): Likewise.
6675 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6677 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6679 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6681 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6682 ASM_OUTPUT_ASCII): Likewise.
6684 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6685 output_mi_thunk, output_toc): Likewise.
6687 * rs6000/rs6000.md (movsi): Likewise.
6689 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6691 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6693 * v850/v850.c (print_operand, print_operand_address,
6694 v850_encode_data_area): Likewise.
6696 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6698 * config/mips/mips.md (zero_extendsidi2): Always force operand
6699 one to memory for mips16.
6701 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6703 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6704 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6705 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6706 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6707 (min_precision): Result is unsigned.
6708 (add_double, neg_double, mul_double): Low word is unsigned.
6709 (lshift_double, rshift_double, lrotate_double): Likewise.
6710 (rrotate_double, div_and_round_double): Likewise.
6711 (tree_floor_log2, compare_tree_int): New functions.
6712 (preserve_rtl_expr_temps): New declaration.
6713 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6714 (decl_attributes): Use tree_log2 to find alignment.
6715 Check for TREE_INT_CST_HIGH for format args.
6716 (min_precision): Now unsigned.
6717 Use tree_floor_log2.
6718 (truthvalue_conversion): Delete long-disabled code.
6719 * c-decl.c (finish_struct): Clean up tests on field width.
6720 (finish_function): Use compare_tree_int.
6721 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6722 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6723 (default_conversion, digest_init): Use compare_tree_int.
6724 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6725 Fix type errors in forming masks.
6726 * calls.c (initialize_argument_information): Use compare_tree_int.
6727 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6728 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6729 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6730 (store_field): Use compare_tree_int.
6731 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6732 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6733 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6734 (do_store_flag): Use compare_tree_int.
6735 * fold-const.c (encode, decode): Low part is always unsigned.
6736 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6737 (lshift_double, rshift_double, lrotate_double): Likewise.
6738 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6739 (fold_convert): Use compare_tree_int.
6740 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6741 (invert_truthvalue, case INTEGER_CST): Likewise.
6742 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6743 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6744 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6745 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6747 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6748 (expand_end_case): Use compare_tree_int.
6749 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6750 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6751 (layout_decl): Likewise.
6752 (layout_record, layout_union): Make sizes unsigned.
6753 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6754 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6755 * tree.c (struct type_hash): hashcode is unsigned.
6756 (build_type_attribute_variant, type_hash_list): Likewise.
6757 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6758 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6759 (build_complex_type): Likewise.
6760 (real_value_from_int_cst): Remove unneeded casts.
6761 (integer_all_onesp): Add casts.
6762 (tree_floor_log2, compare_tree_int): New functions.
6763 (build_index_type): Use tree_int_cst_sgn.
6764 * varasm.c (assemble_variable): Use compare_tree_int.
6766 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6768 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6770 * varasm.c (make_decl_rtl): Don't add a number to members of
6772 (make_function_rtl): Likewise.
6774 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6776 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6777 patch from 2000-01-28.
6779 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6781 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6782 filled with an insn from the jump target.
6784 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6786 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6787 (c4x_external_ref): Likewise.
6788 * config/c4x/c4x.c (struct name_list): Likewise.
6790 1999-12-16 Ben Collins <bcollins@debian.org>
6792 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6793 argument to genmultilib.
6794 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6795 the contents into the multilib.h header.
6796 * gcc.c: Declare multilib_exclusions for the specs file.
6797 (set_multilib_dir): Use it.
6798 (print_multilib_info): Likewise.
6799 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6800 to pass to genmultilib.
6802 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6804 * builtins.c (built_in_class_names, built_in_names): Constify a
6807 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6809 (_mcleanup): Ensure value matches format specifier in sprintf.
6811 * cpphash.c (special_symbol): Don't needlessly cast away
6814 * cppinit.c (base_name): Delete unused prototype.
6816 * mkdeps.c (deps_init): Make definition K&R safe.
6818 * tree.h (built_in_class_names, built_in_names): Constify a
6821 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6823 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6824 floating point instructions for epilogue delay.
6826 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6827 to gas if it supports .register pseudo.
6829 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6830 LONG_DOUBLE_TYPE_SIZE if not defined.
6831 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6832 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6834 * gengenrtl.c: Likewise.
6835 * print-rtl.c: Likewise.
6837 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6838 MASK_LONG_DOUBLE_128.
6839 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6840 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6841 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6842 (SUBTARGET_SWITCHES): Define.
6843 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6844 with -mlong-double-128.
6845 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6846 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6847 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6848 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6849 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6850 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6851 with -mlong-double-128.
6852 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6853 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6854 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6855 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6856 TARGET_LONG_DOUBLE_128): Define.
6857 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6858 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6859 long double on TARGET_ARCH64.
6861 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6863 * function.c (free_temps_for_rtl_expr): Don't free slots
6864 that have been pushed into a higher level.
6867 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6869 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6871 * basic-block.h (ALLOCA_REG_SET): Remove.
6872 (INITIALIZE_REG_SET): New macro.
6873 * flow.c (update_life_info): Use it.
6874 (calculate_global_regs_live): Likewise.
6875 (propagate_block): Likewise.
6876 * global.c (build_insn_chain): Likewise.
6877 * haifa-sched.c (schedule_region): Likewise.
6879 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6881 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6882 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6883 (DWARF_ARANGES_PAD_SIZE): New define.
6884 (output_aranges): Use it to pad the address range header.
6885 (DWARF_ROUND): Fix for non power of 2 rounding.
6887 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6889 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6891 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6893 * tree.def (RTL_EXPR): Update documentation.
6894 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6895 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6896 * function.c (preserve_rtl_expr_temp): New function.
6897 (preserve_rtl_expr_temps): Likewise.
6898 (preserve_rtl_expr_result): Use it.
6901 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6903 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6905 * regmove.c (copy_src_to_dest) Do not create src->dest move
6906 for unchanging destination.
6908 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6910 * function.h (struct sequence_stack): Remove rtl_expr.
6911 (struct emit_staus): Likewise.
6912 (seq_rtl_expr): Remove.
6913 * tree.h (free_temps_for_rtl_expr): Don't declare.
6914 (start_sequence_for_rtl_expr): Likewise.
6915 * rtl.h (preserve_rtl_expr_result): Likewise.
6916 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6917 (start_sequence_for_rtl_expr): Remove.
6918 (push_topmost_sequence): Don't save sequence_rtl_expr.
6919 (pop_topmost_sequence): Remove comment about not restoring it.
6920 (end_sequence): Don't set seq_rtl_expr.
6921 (init_emit): Don't initialize it.
6922 (mark_sequence_stack): Don't mark it.
6923 (mark_emit_status): Likewise.
6924 * except.c (protect_with_terminate): Use
6925 start_sequence_for_rtl_expr, not start_sequence.
6926 * expr.c (expand_expr, case RTL_EXPR): Don't call
6927 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6928 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6929 (preserve_rtl_expr_result): Remove.
6930 (free_temps_for_rtl_expr): Likewise.
6931 (pop_temp_slots): Likewise.
6932 (mark_temp_slot): Don't mark the rtl_expr.
6933 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6934 start_sequence_for_rtl_expr.
6936 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6938 * mkdeps.c, mkdeps.h: New files.
6939 * po/POTFILES.in: Add them.
6940 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6941 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6942 (mkdeps.o): New target.
6944 * cppfiles.c: Delete deps_output.
6945 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6946 OBJECT_SUFFIX, and base_name.
6947 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6949 (initialize_dependency_output): Use deps_init,
6950 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6951 all the unnecessary string bashing.
6952 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6954 * cpplib.c (do_include): Use deps_add_dep.
6955 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6956 deps_allocated_size, deps_size, deps_column members with
6957 single pointer to a struct deps. Delete prototype of
6960 * cppinit.c: Fix thinko in previous patch.
6962 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6964 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6965 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6966 (mode_for_size_tree): New function.
6967 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6968 * tree.h (mode_for_size_tree): New declaration.
6970 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6972 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6974 * stmt.c (is_body_block): Move...
6975 * dwarfout.c, dwarf2out.c: ...from here.
6976 * tree.h: Declare it.
6977 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6978 * final.c (final_start_function): Do call remove_unnecessary_notes
6981 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6983 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6985 * cpplib.h (_dollar_ok): New macro.
6986 (is_idchar, is_idstart): Use it.
6987 (IStable): Rename to _cpp_IStable. Declare it const if
6988 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6989 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6990 is_space): Update for renamed IStable.
6992 * cppinit.c: Delete all references to FAKE_CONST and CAT
6993 macros. Define init_IStable as empty macro if gcc >=2.7 or
6994 C99. Change TABLE() to ISTABLE and hardcode name of table.
6995 (cpp_start_read): Don't change the IStable based on
6998 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6999 changed. Handle '$' for char1 correctly.
7000 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7002 * cppexp.c (tokentab2): Make const.
7003 (cpp_lex): Make toktab const.
7004 * cppinit.c (include_defaults_array): Make const.
7005 (initialize_standard_includes): Make default_include const.
7007 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7009 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7010 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7011 (gen_decl_die): Likewise.
7012 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7013 (output_decl): Likewise.
7015 * varasm.c (make_function_rtl): If we change the name used in the
7016 rtl, update DECL_ASSEMBLER_NAME accordingly.
7017 (make_decl_rtl): Likewise.
7019 * toplev.c (rest_of_compilation): Tweak formatting.
7021 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7022 remove_unnecessary_notes.
7023 (debug_ignore_block): New fn.
7024 * toplev.h: Declare it.
7025 * emit-rtl.c (remove_unncessary_notes): Call it.
7026 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7027 * dwarf2out.h: Declare it.
7028 * final.c (final_start_function): Don't call remove_unnecessary_notes
7029 if we did insn scheduling.
7031 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7033 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7034 * cpplib.h: Delete SET_CPP_PEDANTIC.
7036 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7038 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7039 result is a RECORD_TYPE.
7041 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7043 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7045 2000-03-03 Richard Henderson <rth@cygnus.com>
7047 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7048 addition over compliments over shifts.
7050 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7052 * reload1.c (reload_combine_note_use): Handle return register USEs.
7053 REG case: Handle multi-hard-register hard regs.
7055 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7057 * md.texi: Document use of '*' in insn pattern name.
7059 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7061 * calls.c (special_function_p): operator new may not be malloc-like.
7063 * gcse.c (dump_hash_table): Really fix error in last change.
7065 2000-03-02 Denis Chertykov <denisc@overta.ru>
7067 * avr.c (print_operand): Use print_operand_address instead of
7069 * avr/libgcc.S: Cleanup code.
7071 2000-03-02 Richard Henderson <rth@cygnus.com>
7073 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7075 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7077 * tree.h (TYPE_ALIGN_UNIT): New macro.
7079 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7081 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7083 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7085 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7087 (SET_CPP_PEDANTIC): New macro.
7088 * cpplib.c (do_include): Don't bother checking system_header_p.
7089 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7090 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7092 * function.h (struct expr_status): Add x_arg_space_so_far.
7093 (arg_space_so_far): New macro.
7094 * expr.c (init_expr): Initialize it.
7095 * calls.c (emit_call_1): Reset it.
7096 (compute_argument_block_size, expand_call): Use it.
7097 (expand_call, store_one_arg): Increment it.
7099 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7101 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7104 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7106 * cppfiles.c (cpp_read_file): New function.
7108 * cpphash.c (collect_expansion): Make sure to reset last_token
7109 to NORM when we hit a string. Handle trailing whitespace
7110 properly when the expansion is empty.
7111 (create_definition): Disable line commands while parsing the
7113 (dump_definition): If pfile->lineno == 0, output a line
7114 command ahead of the dump, and add a trailing newline.
7116 * cppinit.c (append_include_chain): Add fifth argument, which
7117 indicates whether or not system headers are C++ aware.
7118 (initialize_standard_includes): New function,
7119 broken out of read_and_prescan. Pass 'cxx_aware' value from
7120 the include_defaults_array on to append_include_chain.
7121 (dump_special_to_buffer): Const-ify char array.
7122 (builtin_array): Don't dump __BASE_FILE__.
7123 (cpp_start_read): Use cpp_read_file. Reorder code for
7124 clarity. Don't output line commands here for -D/-A/-U
7125 switches. Don't call deps_output for files included with
7126 -include or -imacros.
7128 * cpplib.c (do_define): Don't pay any attention to the second
7130 (cpp_expand_to_buffer): Disable line commands while scanning.
7131 (output_line_command): Work in the file buffer.
7132 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7133 Fix formatting of comments. Prototype cpp_read_file.
7135 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7137 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7138 reference the language-equivalent of sizetype.
7139 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7140 * fold-const.c (size_binop, size_diffop): Put back checks.
7141 * gcse.c (dump_hash_table): Fix minor error in last change.
7142 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7143 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7146 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7148 * calls.c (expand_call) Do not attempt to combine stack adjustments
7149 with inhibit_defer_pop set.
7151 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7153 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7154 the DECL_SIZE for a FIELD_DECL.
7156 2000-03-01 Bruce Korb <bkorb@gnu.org>
7158 * fixinc/inclhack.tpl: remove unused symlinks
7159 * fixinc/README: GCC Maintainer info
7160 * fixinc/inclhack.sh: regen
7161 * fixinc/fixincl.sh: regen
7163 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7165 * cpphash.c (collect_expansion): Trim trailing white space
7166 from macro definitions, but don't go past the last insertion
7169 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7171 * i386.md (mulqi3): New pattern.
7173 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7175 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7177 (struct cpp_reader): Add parsing_if_directive and
7178 parsing_define_directive flags.
7179 (struct cpp_options): Remove output_conditionals flag.
7180 (check_macro_name): Delete prototype.
7182 * cpphash.h (struct macrodef): Delete.
7183 (struct reflist): Separate from struct definition.
7184 (struct definition): Remove unused fields. Add column number.
7185 (create_definition): Returns a DEFINITION *. Takes a
7186 cpp_reader * and an int.
7188 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7189 (PEEKC): Copy defn from cpplib.c.
7190 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7192 (struct arglist): Simplify.
7193 (collect_expansion): Rewrite. Get tokens by calling
7194 cpp_get_token. Add more error checking.
7195 (collect_formal_parameters): New function, broken out of
7196 create_definition and reworked to use get_directive_token.
7197 (create_definition): All real work is now in collect_expansion
7198 and collect_formal_parameters. do_define handles finding the
7199 macro name. Return a DEFINITION, not a MACRODEF.
7200 (macroexpand): Replace bcopy with memcpy throughout. Replace
7201 character-at-a-time copy loop with memcpy and pointer increments.
7202 (compare-defs): d1->argnames / d2->argnames might be null.
7204 * cpplib.c (copy_rest_of_line): Delete function.
7205 (skip_rest_of_line): Do all the work ourselves.
7206 (skip_string): New function.
7207 (parse_string): Use skip_string.
7208 (get_macro_name): New function.
7209 (check_macro_name): Delete.
7210 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7211 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7212 (handle_directive): ICE if we're called on a macro buffer.
7213 (do_define): Determine macro name and type (funlike/objlike)
7214 here. Expunge all uses of MACRODEF.
7215 (cpp_push_buffer): Set line_base to NULL.
7216 (do_undef, read_line_number): Don't worry about getting a POP token.
7217 (eval_if_expression): Set/reset parsing_if_directive around
7218 cpp_parse_expr. Don't clear only_seen_white.
7219 (skip_if_group): Remove output_conditionals logic. Use
7221 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7222 tokens under appropriate conditions.
7223 (cpp_unassert): Call do_unassert not do_assert. Oops.
7225 * cppexp.c (parse_defined): New function, break out of
7227 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7228 ourselves, with cpp_defined.
7229 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7231 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7232 * gcc.dg/strpaste-2.c: New.
7234 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7236 * fold-const.c (size_binop): Don't asert inputs are the same and
7237 have TYPE_IS_SIZETYPE set.
7238 (size_diffop): Likewise.
7240 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7242 * dwarfout.c (output_block): Output abstract blocks even if they
7243 don't have TREE_ASM_WRITTEN set.
7245 * calls.c (emit_library_call): Check for null REG.
7247 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7249 * c-decl.c (current_function_decl): Move to toplev.c.
7250 (init_decl_processing): Don't add current_function_decl as a ggc
7252 * dbxout.c (dbxout_symbol): Change return type to int.
7253 (dbxout_symbol_location, dbxout_syms): Likewise.
7254 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7255 any locals. Use current_function_func_begin_label if set.
7256 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7257 * dwarf2out.c (dwarf2out_begin_prologue): Set
7258 current_function_func_begin_label.
7259 * final.c (final_start_function): Reset it.
7260 * toplev.c (current_function_decl): Define it here.
7261 (current_function_func_begin_label): New variable.
7262 (main): Add both as ggc roots.
7263 * tree.h (current_function_func_begin_label): Declare.
7265 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7267 * gcse.c: Cleanups throughout: mostly white-space, but also
7268 some minor rearrangement of code.
7270 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7272 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7273 returns a PARALLEL. Use emit_group_load and use_group_regs
7275 (emit_library_call_value): Similarly.
7277 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7278 * pa/quadlib.asm: Remove.
7279 * pa/quadlib.c: New file.
7281 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7282 * configure: Rebuilt.
7284 2000-02-29 Philip Blundell <pb@futuretv.com>
7286 * config/arm/conix-elf.h: New file.
7287 * configure.in (arm*-*-conix*): New configuration.
7288 * configure: Regenerate.
7290 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7292 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7293 don't have TREE_ASM_WRITTEN set.
7295 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7297 * Eliminate DECL_FIELD_SIZE.
7298 * builtins.c (built_in_class_names, built_in_names): New variables.
7299 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7300 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7301 DECL_SIZE, not DECL_FIELD_SIZE.
7302 * print-tree.c (print_node): Remove code that prints extra blank
7303 lines in some cases.
7304 Properly handle inline and builtin function cases.
7305 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7306 * tree.h (built_in_class_named, built_in_names): New declarations.
7307 (union tree_decl): Rename internal unions to u1 and u2 and change
7308 some of their components.
7309 Add new field built_in_class.
7310 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7311 Reflect above changes.
7312 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7313 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7314 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7315 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7317 2000-02-28 Dmitri Makarov <dim@windriver.com>
7319 * extend.texi: Document ARM's support for long/short calls.
7321 * invoke.texi: Document ARM's -mlong-calls command line switch.
7323 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7324 (arm_encode_call_attribute): Add prototype.
7325 (arm_set_default_type_attribute): Add prototype.
7326 (arm_strip_name_encoding): Add prototype.
7328 * config/arm/arm.c (arm_init_cumulative_args): replace
7329 initialisation og 'long_calls' field with initialisation of
7330 'call_cookie' field.
7331 (enum arm_pragma_enum): New enum.
7332 (arm_pragma_long_calls): New static variable.
7333 (arm_process_pragma): Also process "#pragma long_calls_off".
7334 (arm_valid_type_attribute_p): Accept short_call attribute.
7335 (arm_comp_type_attributes): Check long/short call attributes.
7336 (arm_encode_call_attribute): New function: Encode long_call
7337 or short_call attribute in function name.
7338 (arm_set_default_type_attributes): New function: Assign
7339 default attributes to newly defined type.
7340 (current_file_function_operand): New function: Return true if
7341 the symbol is a function which has already been compiled.
7342 (arm_is_longcall_p): New function: Return true if the
7343 indicated function should be called via a long call.
7344 (arm_get_strip_length): New function. Returns number of
7345 prefix characters to be stripped from a function's name.
7346 (arm_strip_name_encoding): New function. Strip prefix characters
7347 from a function's name.
7349 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7351 (SHORT_CALL_FAG_CHAR): Define.
7352 (LONG_CALL_FAG_CHAR): Define.
7353 (ENCODED_SHORT_CALL_ATTR_P): Define.
7354 (ENCODED_LONG_CALL_ATTR_P): Define.
7355 (ARM_NAME_ENCODING_LENGTHS): Define.
7356 (STRIP_NAME_ENCODING): Define.
7357 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7358 (ARM_ENCODE_CALL_TYPE): Define.
7359 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7360 (ARM_DECLARE_FUNCTION_SIZE): Define.
7361 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7363 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7364 if a long call is needed.
7365 (call_value): Ditto.
7366 (call_symbol): Ditto.
7368 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7369 ARM_DECLARE_FUNCTION_SIZE.
7371 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7372 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7373 (ARM_STRIP_NAME_ENCODING): Undefine.
7374 (STRIP_NAME_ENCODING): Undefine.
7375 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7376 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7377 (ASM_OUTPUT_COMMON): Ditto.
7378 (ASM_DECLARE_OBJECT_NAME): Ditto.
7380 * config/arm/pe.c (arm_dllexport_name_p): Check for
7382 (arm_dllimport_name_p): Ditto.
7383 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7384 (arm_mark_dllimport): Ditto.
7386 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7388 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7390 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7392 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7394 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7396 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7397 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7398 NO_BUILTIN_WCHAR_TYPE is not defined.
7399 (CPP_WCHAR_TYPE): Delete.
7400 * cccp.c (main): Don't change wchar_type if cplusplus.
7401 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7403 2000-02-28 Nick Clifton <nickc@cygnus.com>
7405 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7407 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7409 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7410 (ASM_WEAKEN_LABEL): Define.
7412 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7414 * expr.c (store_constructor): Do not emit USE.
7415 * rtl.h (stupid_life_analysis): Remove.
7417 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7419 * function.c (number_blocks): Reset next_block_index based on
7420 what debugging format is used, not what is defined.
7422 * lcm.c: Minor reformatting throughout.
7423 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7425 * toplev.c (rest_of_compilation): Account for time in
7426 optimize_mode_switching.
7428 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7429 if only marking labels.
7431 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7433 * calls.c (expand_call): Attempt to combine stack adjustments with
7434 pending stack adjustments.
7436 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7438 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7439 to the end of the function.
7441 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7443 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7445 * final.c (next_block_index): Remove.
7446 (max_block_depth): Likewise.
7447 (pending_blocks): Likewise.
7448 (init_final): Don't initialize them.
7449 (final_start_function): Don't set next_block_index. Set up
7451 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7452 * function.h (number_blocks): New function.
7453 * function.c (get_block_vector): New function.
7454 (identify_blocks): Use it.
7455 (reorder_blocks): Set NOTE_BLOCK.
7456 (number_blocks): New function.
7457 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7458 * tree.h (BLOCK_NUMBER): New macro.
7459 (tree_block): Add block_num field.
7460 * dbxout.c (next_block_number): Remove.
7461 (dbxout_init): Don't set it.
7462 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7463 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7465 * toplev.c (rest_of_compilation): Always call
7466 find_loop_tree_blocks. Fix indentation.
7467 * dwarf2out.c (next_block_number): Remove.
7468 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7469 to determine block numbers.
7470 (gen_inlined_subroutine_die): Likewise.
7471 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7472 (decls_for_scope): Don't increment next_block_number.
7473 * dwarfout.c (next_block_number): Remove.
7474 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7475 to determine block numbers.
7476 (output_inlined_subroutine_die): Likewise.
7477 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7478 (output_decls_for_scope): Don't increment next_block_number.
7479 * sdbout.c (next_block_number): Remove.
7480 (sdbout_block): Use BLOCK_NUMBER.
7481 (sdbout_begin_block): Simplify.
7482 * xcoffout.c (next_block_number): Remove.
7483 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7484 (xcoffout_begin_block): Don't set next_block_number.
7485 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7488 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7490 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7491 (expand_builtin_strcpy): Pass correct type to size_binop.
7492 (expand_builtin_strcmp): Likewise.
7493 Clean up conditional structure.
7494 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7495 (complete_array_type): Don't use size_binop for MAXINDEX.
7496 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7497 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7498 (c_alignof): Use size_one_node.
7499 (build_unary_op): Pass arg of proper type to size_binop.
7500 (really_start_incremental_init, push_init_level): Use sizetype for
7501 constructor{,_bit,_unfilled}_index.
7502 (pop_init_label, output_init_element): Likewise.
7503 (output_pending_init_elements, process_init_element): Likewise.
7504 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7505 * expr.c (store_expr): Use size_int.
7506 (store_constructor): Use proper types for size_binop args.
7507 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7508 (expand_expr_unaligned): Likewise.
7509 (string_contant): Return object of sizetype.
7510 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7511 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7512 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7513 * fold-const.c (int_const_binop): Refine when size_int is called.
7514 (fold_convert): Likewise.
7515 (size_int_wide): Rework to take KIND as arg, only take low order
7516 bits, handle new sizetype_tab datatype, and chain entries in
7518 (size_int_type_wide): New function.
7519 (size_binop): Validate types of arguments.
7520 (ssize_binop): Deleted.
7521 (size_diffop): New function.
7522 (extract_muldiv): Only fold division into multiplication for sizetypes.
7523 * function.c (assign_parms): Use size_diffop and make sure
7524 VAR field is of ssizetype; also pass proper type to size_binop.
7525 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7526 (round_down): Deleted from here.
7527 * store-layout.c (sizetype_tab): Now an array.
7528 (sizetype_set, early_root_list): New variables.
7529 (variable_size): Use size_one_node.
7530 (round_up): Pass proper type to size_binop.
7531 (round_down): Moved to here and corrected as above.
7532 (layout_record): Pass proper arg types to size_binop.
7533 (layout_type): Likewise.
7534 If sizetype_set is zero, record the type just laid out.
7535 (make_unsigned_type): Don't call set_sizetype;
7536 (make_signed_type): Likewise; also, call fixup_signed_type.
7537 (initialize_sizetypes): New function.
7538 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7539 set name of bitsizetype to "bit_size_type".
7540 Fix up type of sizes of all types made before call.
7541 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7542 * tree.c (fix_sizetype): Deleted.
7543 (build_common_tree_nodes): Call initialize_sizetypes.
7544 (build_common_tree_nodes_2): Don't call fix_sizetype.
7545 * tree.h (TYPE_IS_SIZETYPE): New macro.
7546 (initialize_sizetype): New declaration.
7547 (enum size_type_kind): New type.
7548 (struct sizetype_tab): Deleted.
7549 (sizetype_tab): Now array; adjust sizetype macros.
7550 (size_diffop, size_int_type_wide): New functions.
7551 (size_int_wide): Change number of args and type; access macros changed.
7552 (ssize_int, sbitsize_int): New macros.
7553 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7554 (ROUND_TYPE_SIZE_UNIT): New macro.
7556 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7558 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7560 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7562 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7563 Mark as possibly unused.
7565 * cse.c (cse_insn): Delete dead code involving tablejump.
7566 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7568 * Makefile.in (libcpp.a): Start by deleting it.
7570 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7572 * cpplib.h (enum file_change_code): Added rename_file.
7573 * cpplib.c (do_line): If a filename is given, set file_change to
7575 (output_line_command): If file_change is rename_file, always
7576 output a # directive with the file name.
7578 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7580 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7582 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7583 when copying a PARM_DECL or RESULT_DECL.
7585 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7587 * fix-header.c (recognized_function): Also fix prototypes for
7588 functions taking "void".
7590 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7592 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7593 looking at reg_reloaded_contents.
7595 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7597 * Makefile.in (STMP_FIXINC): New toggle.
7598 (LIBGCC2_DEPS): Delete all references.
7599 (stmp-headers): Delete target. All references either deleted
7600 or changed to stmp-int-headers.
7601 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7602 (LIBCPP_OBJS): Take out cppalloc.o.
7603 (cppalloc.o): Delete target.
7604 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7605 (gen-protos, fix-header): Link with libiberty.a.
7606 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7609 * configure.in: Remove refs to strerror.
7610 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7611 * system.h: Take out strerror stanza.
7613 * cpperror.c (my_strerror): Delete function.
7614 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7615 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7616 * cppalloc.c: Delete file.
7617 * gen-protos.c: Don't provide xrealloc.
7619 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7620 xstrerror throughout.
7622 2000-02-26 Bruce Korb <bkorb@gnu.org>
7624 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7625 match for DOS headers, too.
7626 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7628 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7630 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7631 is right for most ELF targets.
7632 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7633 Let the default file use %U properly.
7634 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7637 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7640 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7642 * toplev.c (documented_lang_options): Correct spelling error.
7643 (decode_d_option, decode_f_option, main): Likewise.
7645 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7647 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7648 to tell assembler it is permitted to expand large constants.
7650 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7652 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7653 (aux_info_suffix): Use.
7654 (SAVE_SUFFIX): New macro.
7656 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7657 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7658 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7660 * invoke.texi (Running Protoize): Update documentation.
7662 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7664 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7666 2000-02-25 John Wehle (john@feith.com)
7668 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7670 2000-02-25 Anthony Green <green@cygnus.com>
7672 * toplev.c (rest_of_compilation): Rebuild jump labels if
7673 combine_instructions has created a new direct jump.
7674 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7676 (combine_instructions): Call try_combine with new argument.
7677 Return non-null value when new direct jump instruction is created.
7678 * rtl.h: combine_instructions returns an int.
7680 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7682 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7683 jump when changing a computed jump into a jump to a known
7686 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7688 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7689 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7691 * i386.md (define_expand "clrstrsi"): Fix typo.
7693 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7695 * rtl.texi: Fix typo.
7697 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7699 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7700 UNITS_PER_WORD. Change caller initial_elimination_offset.
7701 (rounded_frame_size): Take into account that argument pushed has
7702 changed. Fix TARGET_ALIGN_DOUBLE problem.
7704 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7706 * haifa-sched.c (schedule_block): Explain the real reason
7707 we delete REG_SAVE_NOTEs on the first insn of a block.
7708 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7710 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7712 * input.h (push_srcloc): New function.
7713 (pop_srcloc): Likewise.
7714 * toplev.c (push_srcloc): Define it.
7715 (pop_srcloc): Likewise.
7717 2000-02-24 Richard Henderson <rth@cygnus.com>
7719 * flow.c (life_analysis): When collecting reg info, clear
7722 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7724 Fix bug exposed by reload.c no longer rounding the frame
7725 size to BIGGEST_ALIGNMENT:
7726 * sh.c (rounded_frame_size): New function.
7727 (sh_expand_prologue, sh_expand_epilogue): Use it.
7728 (initial_elimination_offset): Likewise.
7730 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7732 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7733 * sh-protos.h (sh_need_epilogue): Declare.
7734 * sh.c (sh_need_epilogue_known): New static variable.
7735 (sh_need_epilogue): New function.
7736 (function_epilogue): Clear need_epilogue_known.
7737 * sh.md (return): Split into expander / insn pattern.
7738 Make the expander conditional on ! sh_need_epilogue ().
7740 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7742 * machmode.h (get_mode_alignment): Declare.
7743 (GET_MODE_ALIGNMENT): Call it.
7744 * stor-layout.c (get_mode_alignment): New function. Make
7745 sure alignment is always power of 2.
7747 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7749 * i386.h: Remove useless definition of "I386" and misleading
7752 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7754 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7755 under which TREE_PERMANENT will be set.
7756 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7757 build1): Use TREE_SET_PERMANENT.
7758 * print-tree.c (print_node): Don't report value of
7759 TREE_PERMANENT if ggc_p is true.
7761 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7762 decide whether to give a type a new alias set.
7763 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7764 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7765 of value of 'obstack'.
7768 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7770 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7772 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7774 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7775 * cpplib.c (cpp_get_token): Produce them.
7776 * cppexp.c (cpp_lex): Handle them.
7778 2000-02-23 Nick Clifton <nickc@cygnus.com>
7780 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7781 comment tests on type attributes.
7783 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7785 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7786 conform to documentation.
7787 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7788 to check for special cases.
7789 * sh-protos.h (sh_loop_align): Declare.
7790 * sh.c (sh_loop_align): Define.
7792 2000-02-22 Andrew Haley <aph@cygnus.com>
7794 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7795 (SIZE_TYPE): Is 32 bits when using -mgp32.
7796 (PTRDIFF_TYPE): Ditto.
7798 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7800 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7802 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7804 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7805 BIGGEST_FIELD_ALIGNMENT a constant.
7807 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7809 * dwarf2out.c (output_line_info): Put the marker for the end of
7810 the line number info at the actual end.
7811 (gen_struct_or_union_type_die): Use decl_function_context
7812 to check for local classes.
7813 * dwarfout.c (output_type): Likewise.
7815 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7817 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7818 for arguments with a mode, but no type.
7819 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7820 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7821 * pa/long_double.h: New file.
7822 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7823 both have 128bit wide long doubles.
7824 * configure: Rebuilt.
7826 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7828 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7830 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7831 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7832 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7834 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7836 * integrate.c (compare_blocks, find_block): Likewise.
7838 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7840 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7842 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7843 expand_asm_operands): Likewise.
7845 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7847 * predict.c (estimate_probability): Added the pointer heuristic to
7848 the collection of static branch predictors.
7850 2000-02-21 Catherine Moore <clm@cygnus.com>
7852 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7853 * invoke.texi (-mfix7000): Document.
7855 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7857 * diagnostic.c (init_output_buffer): Make it possible to output at
7858 least 32 characters if we're given a too long prefix.
7860 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7862 * varasm.c (initializer_constant_valid_p): Call
7863 lang_expand_constant to simplify the constant.
7865 2000-02-20 Bruce Korb <bkorb@gnu.org>
7867 * fixinc/inclhack.def(stdio_va_list):
7868 typedef needs to be disabled.
7869 * fixinc/inclhack.sh: regen
7870 * fixinc/fixincl.x: regen
7872 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7874 * print-rtl.c (print_rtx): Don't print addresses when
7875 flag_dump_unnumbered.
7877 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7879 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7881 (sparc_va_arg, sparc_flat_output_function_prologue,
7882 sparc_flat_output_function_epilogue): Cast value to unsigned in
7884 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7886 * sparc.md: Add default case in switch.
7888 2000-02-19 Richard Henderson <rth@cygnus.com>
7890 * c-typeck.c (add_pending_init): Don't abort for multiple
7891 fields at the same offset.
7892 (pending_init_member): Test the correct member.
7894 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7896 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7898 (start_catch_handler) : Same.
7900 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7902 * Makefile.in: Have flow.o depend on $(EXPR_H)
7904 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7906 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7907 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7908 (finish_decl): Remove -Wlarger-than code from here.
7909 * flags.h (id_clash_len): Now int.
7910 (larger_than_size): Now HOST_WIDE_INT.
7911 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7912 Clean up checking to see if in table.
7913 (make_bit_field_ref): Remove extra parm to bitsize_int.
7914 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7915 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7916 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7917 and for computing size of decl.
7918 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7919 Move -Wlarger-than code to here.
7920 (layout_record): Remove extra arg to bitsize_int.
7921 Set TYPE_BINFO_SIZE_UNIT.
7922 (layout_union): Remove extra arg to bitsize_int.
7923 Use proper type for size of QUAL_UNION.
7924 (layout_type): Remove extra arg to bitsize_int.
7925 * toplev.c (id_clash_len): Now int.
7926 (larger_than_size): Now HOST_WIDE_INT.
7927 (decode_W_option): Clean up id-clash and larger-than- cases.
7928 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7929 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7930 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7931 (struct tree_decl): New field size_unit.
7932 (size_int_wide): No HIGH operand; NUMBER is now signed.
7933 (size_int_2): Deleted.
7934 (size_int, bitsize_int): Don't use it and rework args.
7935 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7937 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7939 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7941 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7943 * invoke.texi (Warning Options): Add an explanation of why
7944 you might want the -Wfloat-equal flag.
7946 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7948 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7949 * cppinit.c (new_pending_define): Add cast to avoid warning.
7950 * expmed.c (extract_bit_field): Likewise.
7951 * flow.c (enum reorder_skip_type): New type.
7952 (skip_insns_between_blcok): New it.
7953 Rework to avoid warning about possibly undefined variable.
7954 * function.c (assign_parms): Make thisparm_boundary unsigned.
7955 * genrecog.c (write_switch): Cast XWINT result to int.
7956 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7957 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7958 one for MIPS and one for Alpha.
7959 (get_tag, copy_object): Add casts to avoid warnings.
7960 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7961 * reload.c (find_reloads): Make TYPE enum reload_type.
7962 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7963 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7964 * varasm.c (compare_constant_1): Add cast to avoid warning.
7965 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7967 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7968 Cast switch operand of size to int.
7969 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7970 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7973 2000-02-18 Nick Clifton <nickc@cygnus.com>
7975 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7976 anything for an alignment of zero.
7978 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7979 anything for an alignment of zero.
7981 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7983 * gcc.texi (Bug Reporting): Refer to bugs.html.
7984 (Bug Lists): Likewise.
7985 * system.h (GCCBUGURL): New preprocessor define.
7986 * rtl.c (fancy_abort): Use it.
7987 * gcc.c (main): Likewise.
7989 2000-02-18 Richard Henderson <rth@cygnus.com>
7991 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7992 (life_analysis_1): Subsume into ...
7993 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7994 Use update_life_info for the relaxation.
7995 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7996 entry and regs_live_at_setjmp.
7997 (set_noop_p): Simplify.
7998 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7999 (record_volatile_insns): Split into ...
8000 (delete_noop_moves): ... here,
8001 (notice_stack_pointer_modification): ... here,
8002 (insn_dead_p): ... and here.
8003 (propagate_block): Don't query INSN_VOLATILE.
8004 (mark_used_regs): Mind !PROP_REG_INFO.
8005 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8006 not in life_analysis.
8008 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8010 * loop.c (canonicalize_condition): New function,
8011 broken out of get_condition.
8012 (get_condition): Use it.
8013 * expr.h (canonicalize_condition): Prototype it.
8015 * tree.h (tree_int_cst_msb): Declare.
8016 * tree.c (tree_int_cst_msb): New function.
8018 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8020 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8023 * invoke.texi (-fmessage-length=n): Document.
8025 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8027 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8029 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8031 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8034 2000-02-17 Nick Clifton <nickc@cygnus.com>
8036 * config/arm/thumb.c: Replace includes of system headers with
8037 #include "system.h".
8039 2000-02-16 Richard Henderson <rth@cygnus.com>
8041 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8042 Add crtbeginS.o and crtendS.o.
8043 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8044 (ENDFILE_SPEC): Use crtendS.o.
8045 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8047 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8048 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8050 (__dso_handle): New variable.
8051 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8052 bias to __CTOR_END__.
8054 2000-02-16 Richard Henderson <rth@cygnus.com>
8056 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8058 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8060 * longlong.h (__clz_tab): Declare as static to match definition.
8062 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8063 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8064 (XREF_FILE_NAME): Define.
8066 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8067 (EH_FRAME_SECTION_ASM_OP): Define.
8068 (IDENT_ASM_OP): Define.
8069 (TEXT_SECTION_ASM_OP): Define.
8071 (CTORS_SECTION_ASM_OP): Define.
8072 (CTOR_SECTION_FUNCTION): Use it.
8073 (DTORS_SECTION_ASM_OP): Define.
8074 (DTOR_SECTION_FUNCTION): Use it.
8076 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8078 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8081 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8082 debug_bb_n): New functions.
8083 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8084 * basic-block.h: Prototype new functions.
8086 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8088 * configure.in: Add support for avr target.
8089 * configure: Rebuilt.
8091 * invoke.texi: Add AVR invocation docs.
8092 * install.texi: Add information about AVR.
8093 * md.texi: Add AVR constraint letters description.
8094 * extend.texi: Add description for AVR specific attributes.
8096 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8098 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8100 2000-02-16 Nick Clifton <nickc@cygnus.com>
8102 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8103 (make_insn_raw): Move RTL check here.
8105 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8107 * version.c: Include gansidecl.h and version.h.
8109 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8111 * configure.in (gcc_version): When setting, narrow search to
8112 lines containing `version_string'.
8114 * Makefile.in (mainversion): Likewise.
8115 (GCC_H): New variable.
8116 (gcc.h): Delete target.
8117 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8118 (version.o): Depend on version.h.
8119 (dbxout.o): Don't depend on gcc.h.
8121 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8122 Michael Meissner <meissner@cygnus.com>
8124 * md.texi (Simple Constraints): Add item about whitespace.
8125 * genoutput.c (strip_whitespace): New.
8126 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8127 strip_whitespace for constraints.
8128 Test pointer using NULL, not 0.
8130 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8132 * cpplib.c (do_line): Pedwarn for #line > 32767.
8134 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8136 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8138 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8139 to default cpp spec.
8140 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8141 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8144 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8147 2000-02-15 Denis Chertykov <denisc@overta.ru>
8149 * configure.in: Add support for avr target.
8151 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8153 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8154 (sh_addr_diff_vec_mode): Don't declare.
8155 * sh.c (sh_addr_diff_vec_mode): Delete.
8157 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8159 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8161 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8163 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8164 (smulsi3_highpart_i): Name.
8165 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8166 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8167 (smulsi3_highpart, umulsi3_highpart): Likewise.
8169 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8170 correctly independent of endianness.
8171 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8172 confuse the optimizers.
8173 (mulsidi3+1, umulsidi3+1): New define_split.
8175 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8177 * config/sh/sh.md: Guard insn splits against illegal registers.
8178 * config/sh/sh.h: Correct comment about macros.
8180 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8181 Andrew MacLeod <amacleod@cygnus.com>
8183 * Makefile.in (lcm.o): Depend on insn-attr.h.
8184 * basic-block.h (optimize_mode_switching): Declare.
8185 * lcm.c (tm_p.h, insn-attr.h): #include.
8186 (seginfo, bb_info): New structs.
8187 (antic, transp, comp, delete, insert) : New file-scope static variables.
8188 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8189 (reg_becomes_live, optimize_mode_switching): Likewise.
8190 * tm.texi: Add description of mode switching macros.
8191 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8193 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8194 (fldi_ok, fpscr_set_from_mem): New prototypes.
8195 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8196 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8197 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8198 (sh_flag_remove_dead_before_cse): Remove declaration.
8199 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8200 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8201 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8202 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8203 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8204 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8205 (fldi_ok): New function.
8206 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8207 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8208 (emit_df_insn): Likewise.
8209 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8210 (sh_flag_remove_dead_before_cse): Delete.
8211 (get_free_reg, fpscr_set_from_mem): New functions.
8212 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8213 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8215 2000-02-15 Loren Rittle <ljrittle@acm.org>
8217 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8219 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8221 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8222 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8224 * cccp.c: Include version.h and/or don't declare `version_string'.
8225 * collect2.c: Likewise.
8226 * alpha.c: Likewise.
8227 * arm/aof.h: Likewise.
8228 * arm/coff.h: Likewise.
8229 * arm/elf.h: Likewise.
8230 * arm/pe.h: Likewise.
8231 * arm/tcoff.h: Likewise.
8232 * arm/telf.h: Likewise.
8233 * arm/tpe.h: Likewise.
8234 * arm/vxarm.h: Likewise.
8235 * convex/convex.c: Likewise.
8236 * i386/dgux.c: Likewise.
8237 * i386/sun386.h: Likewise.
8238 * m88k/m88k.c: Likewise.
8239 * mcore/mcore-pe.h: Likewise.
8240 * mips/mips.h: Likewise.
8241 * romp/romp.h: Likewise.
8242 * sh/sh.c: Likewise.
8243 * cpphash.c: Likewise.
8244 * cppinit.c: Likewise.
8245 * dwarf2out.c: Likewise.
8246 * dwarfout.c: Likewise.
8249 * mips-tfile.c: Likewise.
8250 * protoize.c: Likewise.
8251 * toplev.c: Likewise.
8254 * version.c (version_string): Constify a char*.
8256 * version.h: New file.
8258 2000-02-14 Nick Clifton <nickc@cygnus.com>
8260 * configure.in: Add mcore-elf and mcore-pe targets.
8261 * configure: Regenerate.
8263 * NEWS: Add note that MCore port has been contributed.
8265 * invoke.texi: Document command line switches for MCore port.
8266 * install.texi: Add MCore to list of supported targets.
8268 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8270 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8271 then we will need to import the frame handling functions.
8272 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8273 to import the frames themselves.
8275 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8276 Jason Eckhardt <jle@cygnus.com>
8278 * basic_block.h: Added prototype for reorder_basic_blocks.
8279 * toplev.c: Changes to add -freorder-blocks and graph dump after
8280 block reordering is done.
8281 * flow.c (reorder_block_def): New structure for use during block
8283 (REORDER_BLOCK_*): New macros to access members of above structure.
8284 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8285 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8286 functions for block reordering.
8288 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8290 * gcc.texi (Passes): Fix typo.
8291 * md.texi (Standard Names): Ditto.
8292 * tm.texi (Storage Layout): Ditto.
8294 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8296 * cpplib.c (do_define): Only free the old definition if it
8299 2000-02-13 Neil Booth <NeilB@earthling.net>
8301 * cppfiles.c (read_and_prescan): When emitting deferred
8302 newlines, test speccase[] again instead of checking each
8303 possible whitespace character in turn. When we encounter \r,
8304 look behind for \n first, then ahead.
8306 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8308 * cse.c (cse_altered): New internal flag.
8309 (cse_insn): Set it if we changed an insn.
8310 (cse_main): Clear cse_altered before each basic block.
8311 Only garbage collect if cse_altered is true afterward.
8313 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8315 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8317 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8319 * combine.c (simplify_comparison): Fix typo.
8321 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8323 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8326 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8328 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8329 previously inserted node instead of root node. Caller changed.
8331 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8333 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8335 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8337 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8338 __dereg_frame_dtor): Add prototype argument.
8340 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8342 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8344 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8346 * gthr-vxworks.h (__gthread_once): Likewise.
8348 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8350 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8352 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8353 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8354 stack pointer in functions w/o saved registers, output LEAVE more often
8355 on TARGET_USE_LEAVE machines.
8357 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8359 * config/arm/arm.c (arm_init_cumulative_args); New function:
8360 Initlaise the CUMULATIE_ARGS strcuture for a function
8362 (arm_function_arg): New function: Determine where to place a
8363 function's argument. Also handles deciding the function's
8365 (current_file_function_operand): New function: Return true if
8366 the symbol is a function which has already been compiled.
8367 (arm_is_long_call_p): New function: Return true if the
8368 indicated function should be called via a long call.
8369 (arm_valid_type_attribute_p): New function: Return true if the
8370 attribute is a valid, arm specific, attribute.
8371 (arm_comp_type_attribute): New function: Return true if the
8372 two types have compatable, arm specific, attributes.
8374 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8376 (FUNCTION_ARG): Redefine to call arm_function_arg.
8377 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8379 (INIT_CUMULATIVE_ARGS): Redefine to call
8380 arm_init_cumulative_args.
8381 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8383 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8385 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8387 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8388 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8389 (COMP_TYPE_ATTRIBUTES): Define.
8391 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8392 if a long call is needed.
8393 (call_value): Call arm_is_long_call_p to decide if a long call
8395 (call_symbol): Call arm_is_long_call_p to decide if a long call
8398 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8400 2000-02-11 Denis Chertykov <denisc@overta.ru>
8402 * README.AVR: New file with information about the avr ports.
8403 * config/avr: New directory with avr port files.
8405 2000-02-11 Andreas Jaeger <aj@suse.de>
8407 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8409 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8411 * cpphash.c: Fix formatting, update commentary.
8412 (dump_definition): Take three separate arguments instead of a
8413 MACRODEF structure argument.
8414 * cpphash.h: Update prototype of dump_definition.
8415 * cppinit.c (cpp_finish): Update call of dump_definition.
8417 * cpplib.c (do_define): Always create new hash entry with
8418 T_MACRO type. Remove redundant check for redefinition of
8419 poisoned identifier. Update call of dump_definition.
8420 (do_undef): Don't call check_macro_name. Rename sym_length to
8422 (do_error, do_warning): Don't use copy_rest_of_line or
8424 (do_warning): Don't use pedwarn for the actual warning,
8425 only the notice about its not being in the standard. (Fixes
8426 bug with #warning in system headers.)
8427 (do_ident): Stricter argument checking - accept only a single
8428 string after #ident. Also, macro-expand the line.
8429 (do_xifdef): Use cpp_defined. De-obfuscate.
8431 (do_pragma): Split out specific pragma handling to separate
8432 functions. Use get_directive_token. Update commentary. Do
8433 not pass on #pragma once or #pragma poison to the front end.
8434 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8435 do_pragma_default): New.
8437 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8439 * jump.c (jump_optimize_1): The first operand in a relational
8441 * optabs.c (emit_conditional_move): Handle relationals which
8442 have a known true/false result.
8444 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8446 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8447 a RETURN insn into a block which already ends with a jump.
8449 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8451 * haifa-sched.c (BUF_LEN): Increase a lot.
8453 2000-02-11 Nick Clifton <nickc@cygnus.com>
8455 * configure.in: Add tm_p_file specification for thumb targets.
8456 * configure: Regenerate.
8458 * config/arm/thumb-protos.h: New file: Prototypes for exported
8459 functions defined in thumb.c.
8461 2000-02-11 Robert Lipe <robertl@sco.com>
8463 * Makefile.in (bootstrap-lean): Remove additional files.
8464 (bootstrap2-lean): Likewise.
8465 (VOL_FILES): List of files for above.
8467 2000-02-11 Nathan Sidwell <nathan@acm.org>
8469 * cpphash.c (special_symbol): Remove spurious argument to
8472 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8474 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8476 * configure: Rebuilt.
8478 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8480 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8482 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8484 * pa.c, pa.h: Remove trigraph sequences within comments.
8486 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8488 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8490 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8492 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8494 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8496 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8498 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8500 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8501 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8502 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8503 (ASM_FILE_END): Use c4x_file_end.
8504 * config/c4x/c4x.c (c4x_global_label): New function.
8505 (c4x_external_ref, c4x_file_end): Likewise.
8507 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8508 (c4x_external_ref, c4x_end_file): Likewise.
8510 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8512 * cppexp.c: Don't include cpphash.h.
8513 (parse_charconst, cpp_lex): Use cpp_defined.
8514 (cpp_lex): Use get_directive_token throughout. Remove
8515 unnecessary cases from switch. Move assertion-handling code
8517 (cpp_parse_expr): If we see '+' or '-', check the context to
8518 determine if they are unary or binary operators. Streamline
8519 the jumps a bit. Do not call skip_rest_of_line.
8521 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8522 static. Export get_directive_token. Update commentary.
8523 (cpp_defined): New function.
8524 (do_define): Remove reference to T_PCSTRING. Call
8525 free_definition to release memory for old definition, when
8527 (eval_if_expression): Set only_seen_white to 0 before calling
8528 cpp_parse_expr. Call skip_rest_of_line after it returns.
8529 (cpp_read_check_assertion): Don't preserve a pointer into the
8530 token buffer across a call to cpp_get_token.
8532 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8533 * cppfiles.c (redundant_include_p): Use cpp_defined.
8534 * cpphash.c (free_definition): New function.
8535 (delete_macro): Use it. Update commentary.
8536 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8538 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8539 from enum node_type. Prototype cpp_defined and get_directive_token.
8540 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8542 * fix-header.c (check_macro_names): Use cpp_defined.
8543 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8544 the options structure.
8546 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8548 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8550 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8552 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8553 rather than die->die_tag.
8555 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * combine.c (make_extraction, force_to_mode): Avoid warning on
8558 mixed-signedness conditionals.
8559 (make_field_assignment, nonzero_bits): Likewise.
8560 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8561 (store_split_bit_field, extract_split_bit_field): Likewise.
8562 (extract_fixed_bit_field, store_bit_field,
8563 * expr.c: Change alignment to be unsigned everywhere.
8564 (move_by_pieces, store_constructor_field, store_constructor):
8565 Alignment parm is unsigned.
8566 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8567 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8568 (do_compare_rtx_and_jump): Likewise.
8569 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8570 Compare align with GET_MODE_ALIGNMENT.
8571 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8572 (get_inner_reference): Likewise.
8573 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8574 (expand_assignment): Local vars for alignment now unsigned.
8575 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8576 (do_compare_and_jump): Likewise.
8577 (store_field): Call new function expr_align.
8578 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8579 Alignment arg now unsigned.
8580 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8581 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8582 (extract_bit_field): Likewise.
8583 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8584 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8585 (get_best_mode): Alignment arg is unsigned.
8586 * rtl.h (move_by_pieces): Likewise.
8587 * store-layout.c (maximum_field_alignment, set_alignment):
8589 (layout_decl): Alignment arg is now unsigned.
8590 Remove unneeded casts.
8591 (layout_record, layout_union, layout_type): Remove unneeded casts.
8592 Local alignment variables now unsigned.
8593 (get_best_mode): Alignment arg now unsigned.
8594 * tree.c (expr_align): New function.
8595 * tree.h (expr_align): Likewise.
8596 (maximum_field_alignment, set_alignment): Now unsigned.
8597 (get_inner_reference): Alignment argument is now pointer to unsigned.
8598 * varasm.c (assemble_variable): Add cast to eliminate warning.
8600 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8602 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8603 then store directly into op0.
8605 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8606 the CALL_INSN, and emit the note immediately after it.
8608 2000-02-10 Nick Clifton <nickc@cygnus.com>
8610 * config/arm/thumb.md (epilogue): Include a (return) in the
8611 generated insn, and emit it using emit_jump_insn not
8614 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8616 * function.c (assign_temp): Change zero-sized arrays to size 1.
8617 * integrate.c (expand_inline_function): Do not update
8618 stack_alignment_needed
8619 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8620 add some sanity checking, remove optimization for function with
8623 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8625 * flow.c (mark_regs_live_at_end): Delete unused variables.
8627 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8629 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8630 in macro FRAME_GROWS_DOWNWARD.
8632 * stmt.c (expand_end_bindings): Delete unused variable.
8634 * unroll.c (iteration_info): Mark parameter `loop' with
8637 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8639 * fixinc/server.c (load_data): Return NULL if the marker line is
8641 (run_shell): If load_data returns NULL, retry the command once, in
8644 * configure: Rebuilt.
8646 2000-02-09 Bruce Korb <bkorb@gnu.org>
8648 * gcc/fixincludes: ** DELETED **
8649 * gcc/fixcpp: ** DELETED **
8650 * gcc/fixinc-nt.sed: ** DELETED **
8651 * gcc/just-fixinc: ** DELETED **
8652 * gcc/Makefile.in: Removed out-dated commentary
8653 * gcc/configure.in: Removed fast-fixincludes disablement.
8654 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8656 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8657 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8660 2000-02-09 Richard Henderson <rth@cygnus.com>
8662 * jump.c (delete_insn): Don't delete user labels at -O0.
8664 2000-02-09 Robert Lipe <robertl@sco.com>
8666 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8667 Don't link with HOST_LIBS.
8669 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8671 * configure.in: Correct --help text for --with-dwarf2.
8672 Put tm-dwarf2.h after other tm files, if it's requested.
8673 * configure: Regenerate.
8674 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8677 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8679 * cpplib.h: Provide HASHNODE typedef and forward decl of
8680 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8681 DEFINITION, struct hashnode, struct macrodef, struct
8682 definition, scan_decls prototype, default defn of
8683 INCLUDE_LEN_FUDGE moved elsewhere.
8685 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8686 definition, and struct hashnode moved here. Remove the unused
8687 'predefined' field from struct definition. Replace the 'args'
8688 union with its sole member. All users updated (cpphash.c).
8689 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8690 multiple include guard.
8692 * cpphash.c (hashf): Make static; use better algorithm; drop
8693 HASHSIZE parameter; return an unsigned int.
8694 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8695 used. Calculate HASHSIZE modulus here.
8696 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8698 (create_definition): Drop PREDEFINITION parameter.
8699 * cpplib.c (do_define): Don't calculate a hash value here.
8700 Don't pass (keyword == NULL) to create_definition.
8702 * scan.h: Prototype scan_decls here.
8703 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8704 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8705 callers of cpp_lookup and cpp_install updated.
8707 * cpphash.c (macarg): Hoist all the flag diddling out of the
8709 (macroexpand): ... and out of the loop that calls macarg.
8710 Skip over the initial paren before macro arguments with
8711 cpp_get_non_space_token; point may be some distance before
8712 that paren. Abort if it's not there.
8714 * cpplib.c (parse_clear_mark): Delete function.
8715 (parse_set_mark, parse_goto_mark): Make static.
8716 (ACTIVE_MARK_P): New macro.
8717 (skip_block_comment, skip_line_comment): Do not bump the line
8718 if ACTIVE_MARK_P is true.
8719 (cpp_pop_buffer): The buffer to be popped may not have an
8721 (cpp_get_token): When looking for the initial paren before
8722 macro arguments, only set a mark in a file buffer, Always
8723 return to that mark before proceeding to call macroexpand or
8724 return a NAME token.
8726 * cpplib.h: Remove prototypes of parse_set_mark,
8727 parse_clear_mark, parse_goto_mark.
8728 (struct cpp_options): Rename 'put_out_comments' to
8729 'discard_comments' and invert its sense.
8730 * cppinit.c, cpphash.c, cpplib.c: All users of
8731 put_out_comments changed to use discard_comments, with
8734 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8736 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8737 the edge from a block that both jumps and falls through to the
8740 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8742 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8743 constant source address is legitimate.
8745 2000-02-09 Philip Blundell <pb@futuretv.com>
8747 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8750 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8752 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8754 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8756 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8757 ends with a newline and a NUL. Don't be so clever manipulating
8760 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8762 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8763 not to BIGGEST_ALIGNMENT.
8765 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8767 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8768 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8769 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8770 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8771 * frame.c (execute_cfa_insn): Handle
8772 DW_CFA_GNU_negative_offset_extended.
8774 2000-02-08 Richard Henderson <rth@cygnus.com>
8776 * flow.c (tidy_fallthru_edges): Split out from ...
8777 (delete_unreachable_blocks): ... here.
8778 (find_basic_blocks): Use it.
8780 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8782 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8784 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8786 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8787 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8788 (fix-header.o): Don't depend on cpphash.h.
8790 * scan.c (hashstr): New function.
8791 * scan.h: Prototype it.
8792 * fix-header.c: Don't include cpphash.h. Use hashstr.
8793 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8794 hashstr. Report hash table statistics. Add private
8795 definition of xrealloc.
8797 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8799 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8801 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8803 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8804 jumps with returns unless they are jumps to the fallthru block.
8806 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8808 * i386.md (addqi3_cc): Fix contraints.
8810 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8812 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8814 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8816 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8817 carriage return after a macro name.
8819 2000-02-07 Fred Fish <fnf@be.com>
8821 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8822 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8824 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8826 * cppfiles.c (deps_output): Count spacers in deps_column.
8828 2000-02-07 Neil Booth <NeilB@earthling.net>
8830 * cppinit.c (initialize_dependency_output): If there is no
8831 suffix, don't try to look for known suffixes. Use strrchr.
8832 (cpp_start_read): Remove duplicate initialization.
8834 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8836 * calls.c (compute_argument_block_size): New argument
8837 preferred_stack_boundary.
8838 (expand_call): update cfun->preferred_stack_boundary, update call of
8839 compute_argument_block_size
8840 (emit_library_call): Increate cfun->preferred_stack_boundary
8841 to PREFERRED_STACK_BOUNDARY
8842 (emit_library_call_value): Likewise.
8843 * explow.c (allocate_dynamic_stack_spave): Likewise.
8844 * function.c (prepare_function_start): Set
8845 cfun->preferred_stack_boundary
8846 * function.h (struct function): Add preferred_stack_boundary field.
8847 * integrate.c (expand_inline_function): Update
8848 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8849 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8850 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8852 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8854 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8855 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8856 cpp_pedwarn, cpp_pedwarn_with_line,
8857 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8858 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8859 v_cpp_error_with_line, v_cpp_warning_with_line,
8860 cpp_message_from_errno, cpp_perror_with_name): Delete.
8862 * cpperror.c (cpp_print_containing_files): Take starting
8864 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8865 (v_cpp_message): Now called directly by all entry points.
8867 (cpp_pfatal_with_name, cpp_message): Delete.
8868 (cpp_notice_from_errno, cpp_ice): New functions.
8869 (cpp_notice): Is now for reporting error conditions, just
8870 without an associated file.
8871 (cpp_error, cpp_error_with_line): Don't do anything if
8872 opts->inhibit_errors is on.
8873 (cpp_pedwarn_with_file_and_line): Take column argument also.
8875 * cpplib.h: Update prototypes of exported functions.
8876 (struct cpp_options): Add inhibit_errors.
8878 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8879 non-error messages. Include intl.h.
8881 * cppinit.c, cppmain.c: Likewise. Also, use
8882 cpp_notice_from_errno instead of cpp_perror_with_name or
8883 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8885 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8886 report internal errors.
8888 * cpplib.c (do_define): Switch bcopy to memcpy.
8889 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8891 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8892 bail out early if we hit a line comment.
8894 2000-02-06 Richard Henderson <rth@cygnus.com>
8896 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8897 * basic-block.h: Declare them.
8898 * emit-rtl.h (active_insn_p): New.
8899 (next_active_insn, prev_active_insn): Use it.
8900 * rtl.h: Declare it.
8901 * function.c (emit_return_into_block): New.
8902 (thread_prologue_and_epilogue_insns): Insert return insns instead
8903 of epilogues when possible.
8904 * jump.c (jump_optimize_1): Remove code to insert a return insn
8905 on the fallthru to the exit block.
8907 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8908 and for non-empty stack frames.
8909 * i386.md (return): Expand to return-pop as needed.
8911 2000-02-06 Richard Henderson <rth@cygnus.com>
8913 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8914 constant to op1 for testing.
8916 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8918 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8919 (fixuns_truncqfqi2): Use it.
8921 2000-02-06 Richard Henderson <rth@cygnus.com>
8923 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8926 * i386.md (widening and peepholes): Mask the constant instead of
8929 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8931 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8932 input pointer before possibly branching off to the backslash
8934 * cpphash.c (macroexpand): Correctly delete \r escapes when
8935 stringifying parameters.
8936 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8937 if we can; bail out early if we hit a line comment.
8938 (handle_directive): Treat '# 123' in an .S file just like
8939 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8940 Return 1 for '# not_a_directive'.
8941 (get_directive_token): Pop macro buffers here, so that
8942 cpp_get_token can't sneakily move past a newline.
8944 (cpp_get_token): goto randomchar if handle_directive returns 0.
8946 * cppalloc.c: Update copyright.
8947 * cpplib.c: Merge all the static function prototypes into one
8949 * cpplib.h: Remove #if 0 block.
8951 * cpperror.c: Remove #ifdef EMACS block.
8952 * cppmain.c: Likewise.
8953 * cpphash.c: Remove #if 0 blocks.
8954 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8955 * cpplib.c: Remove #if 0 blocks and code referencing
8956 pcp_inside_if or for_lint. Remove duplicate error message.
8957 Fix error messages for #else after #else or #elif. Reformat.
8958 Remove archaic TODO list.
8959 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8961 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8963 * i386/osf1elf.h: Add missing backslash to multiline string.
8965 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8967 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8969 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8971 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8973 * c-common.c: Include expr.h.
8975 * c-pragma.c (mark_align_stack): Add prototype.
8977 * caller-save.c (add_stored_regs): Likewise.
8979 * combine.c (record_promoted_value): Likewise.
8981 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8984 * cppinit.c (new_pending_define): Likewise.
8986 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8988 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8989 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8990 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8991 class_scope_p): Likewise.
8993 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8994 dwarf2out_add_library_unit_info): Likewise.
8996 * ggc.h (ggc_page_print_statistics): Likewise.
8998 * haifa-sched.c (propagate_deps): Likewise.
9000 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9002 * rtl.h (set_stack_check_libfunc): Likewise.
9004 * toplev.h (set_fatal_function): Likewise.
9006 * toplev.c (set_fatal_function): Delete prototype.
9008 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9010 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9012 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9013 (FUNC_END): Likewise.
9015 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9017 * caller-save.c: Include tm_p.h.
9019 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9021 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9023 2000-02-04 Neil Booth <NeilB@earthling.net>
9025 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9028 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9030 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9031 * genflags.c: Use the max_operand_1 logic from genemit.c to
9032 calculate how many arguments gen_insn prototypes have. Remove
9033 NO_MD_PROTOTYPES ifdefs from the generated file.
9034 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9035 file. Cast gen_insn initializers to insn_gen_fn.
9036 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9037 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9039 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9041 * fixinc/Makefile.in (HDR): Add machname.h.
9044 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9046 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9047 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9048 (c4x_cpu_version): Ditto.
9049 * config/c4x/c4x-protos.h: ... here.
9051 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9053 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9054 gen_abstract_function on our context if we're a nested function.
9056 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9058 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9059 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9061 2000-02-04 Bruce Korb <bkorb@gnu.org>
9063 * fixinc/genfixes(machname.h):
9064 Move the functionality from gen-machine.h into this file.
9065 UNdef MN_NAME_PAT if there are no names to change.
9066 Also, be a little kinder when AutoGen is not present.
9068 * fixinc/Makefile.in(machname.h):
9069 Change the generation rule to use genfixes.
9071 * fixinc/fixfixes.c(machine_name):
9072 machine_name_fix's functionality now dependent upon whether
9073 MN_NAME_PAT is defined.
9075 * fixinc/fixtests.c(machine_name):
9078 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9081 * fixinc/fixlib.h(mn_get_regexps):
9084 * fixinc/gen-machine.h: DELETED
9086 2000-02-04 Jan Hubicka <jh@suse.cz>
9087 Richard Henderson <rth@cygnus.com>
9089 * i386.c (SAVE_REGS_FIRST): Remove.
9090 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9091 (ix86_compute_frame_size): Likewise.
9092 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9093 (ix86_emit_restore_regs): Remove.
9094 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9095 when a frame pointer is in use.
9096 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9097 instead of pop to restore a register when profitable; emit leave
9099 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9101 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9102 * i386.md (prologue_allocate_stack): Remove.
9103 (epilogue_deallocate_stack): Remove.
9104 (pro_epilogue_adjust_stack): New.
9106 2000-02-04 Richard Henderson <rth@cygnus.com>
9108 * function.c (diddle_return_value): Rework to use a callback function.
9109 Use current_function_return_rtx if it's been set up.
9110 (do_clobber_return_reg, clobber_return_register): New.
9111 (do_use_return_reg, use_return_register): New.
9112 (expand_function_end): Use them.
9113 * stmt.c (expand_null_return): Likewise.
9114 * function.h: Declare them.
9115 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9116 (mark_reg): Change arguments as appropriate for callback.
9117 * integrate.c (expand_inline_function): Revert 19 Jan change.
9119 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9121 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9122 (Misc): Say the scheduler, not the Haifa scheduler.
9124 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9126 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9127 when in_mem is set. Update all callers.
9129 2000-02-04 Richard Henderson <rth@cygnus.com>
9131 * i386/openbsd.h (INT_ASM_OP): Define.
9133 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9135 * tm.texi: Fix various typos.
9137 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9139 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9140 (MD_STARTFILE_PREFIX_1): New macro.
9142 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9144 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9145 destination when needed.
9146 (strmovsi, strsetsi): New expander.
9147 (strmovsi_1, strsetsi_1): New pattern.
9148 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9149 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9150 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9151 * invoke.texi (align-stringops, inline-all-stringops): Document.
9153 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9155 * i386/netbsd.h (INT_ASM_OP): Define.
9157 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9159 * cpplib.h (cpp_reader): Add new flag, no_directives.
9160 * cpphash.c (macarg): Set it.
9161 * cpplib.c (handle_directive): If no_directives is on and we
9162 find a directive, issue an error and discard the line.
9164 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9166 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9167 FP constants. Add ! TARGET_FPU check for FP constants.
9169 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9171 * flow.c (find_basic_blocks): Don't kill label_value_list
9173 (cleanup_cfg): Kill it here.
9175 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9177 * expr.c (store_field): Ensure ALIGN is no stricter than the
9180 2000-02-02 Richard Henderson <rth@cygnus.com>
9182 * jump.c (delete_insn): Partially revert 19 Jan change;
9183 don't convert unused code labels to notes at -O0.
9185 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9187 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9188 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9190 2000-02-01 Richard Henderson <rth@cygnus.com>
9192 * i386.c (general_no_elim_operand): New.
9193 (nonmemory_no_elim_operand): New.
9194 (ix86_expand_move): Copy eliminable operands before a push.
9195 * i386-protos.h: Declare new functions.
9196 * i386.h (CAN_ELIMINATE): Simplify.
9197 (PREDICATE_CODES): Update.
9198 * i386.md (push insns): Don't allow eliminable register operands.
9200 2000-02-01 Richard Henderson <rth@cygnus.com>
9202 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9203 replace BLKmode with DECL_RTL's mode.
9205 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9207 * frame.c (find_fde): Convert for loop to do-while so compiler
9208 sees it's always executed at least once.
9209 * libgcc2.c (BBINBUFSIZE): Kill.
9210 (__bb_init_prg): Use fgets.
9211 (__bb_exit_trace_func): Don't paste strings.
9212 * unroll.c (unroll_loop): Initialize unroll_type, not
9213 unroll_number, and tweak logic to match.
9215 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9217 (ix86_flags_dependant): Likewise. Disentangle control flow.
9218 (ix86_sched_reorder): Break guts out to
9219 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9220 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9223 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9224 use string concatenation. Don't save and restore esi.
9226 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9227 (machname.h): Remove script to separate file. Use two-step
9228 sequence so target is not created if script fails.
9229 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9230 identifiers are defined.
9231 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9232 an empty string, machine_name doesn't need to do anything at
9234 (is_cxx_header): Add more cases to regexp.
9235 * fixinc/fixlib.h: Update prototype.
9236 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9238 * fixinc/fixincl.c: Define NO_BOGOSITY.
9240 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9241 (hp_sysfile): Add missing comma.
9242 (math_exception): Put the wrapper ifdefs at the beginning and
9243 the end of the file.
9244 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9246 2000-02-01 Richard Henderson <rth@cygnus.com>
9248 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9249 Use CONST0_RTX. Update all callers.
9250 * sparc.h, sparc-protos.h: Update accordingly.
9251 * sparc.md (fp mov insns): Use fp_zero_operand directly
9254 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9256 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9259 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9261 * Makefile.in (specs.ready): New target.
9262 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9264 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9266 * fixinc.irix: Use unique filenames for writing into /tmp,
9267 * fixinc.ptx: Likewise.
9268 * fixinc.sco: Likewise.
9269 * fixinc.svr4: Likewise.
9270 * fixinc.winnt: Likewise.
9272 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9274 * tsystem.h: New file.
9276 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9277 s-crtS): Depend on tsystem.h.
9279 * crtstuff.c: Include tsystem.h.
9280 * frame.c: Likewise.
9281 * libgcc2.c: Likewise.
9283 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9285 * builtins.c (expand_builtin_memset): Expand for variable sized
9288 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9290 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9293 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9295 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9297 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9299 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9301 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9302 case 3->2 combining (combining with splitting) in which 2 is CC0
9303 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9304 checked at the begining of the function with the aid of calling
9305 function 'can_combine_p'.
9307 2000-01-31 Dave Brolley <brolley@redhat.com>
9309 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9311 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9313 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9316 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9318 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9320 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9323 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9325 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9326 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9327 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9328 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9329 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9330 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9331 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9332 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9333 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9334 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9336 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9337 Add %(cpp_cpu) to CPP_SPEC.
9339 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9340 Add %(cc1_cpu) to CC1_SPEC.
9342 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9344 * c-decl.c (c_decode_option): Accept optional numeric argument to
9345 -Wformat and set warn_format.
9346 * c-common.c: Don't emit warning about non-constant printf format
9347 string unless warn_format > 1.
9349 2000-01-30 Richard Henderson <rth@cygnus.com>
9351 * alpha.md (return_internal): Allow after reload only.
9353 2000-01-30 Richard Henderson <rth@cygnus.com>
9355 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9356 local frame size is zero.
9358 2000-01-30 Richard Henderson <rth@cygnus.com>
9360 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9361 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9362 * alpha.md (return): Turn into an expander.
9363 (return_internal): Don't use $26.
9364 (epilogue): Emit the return insn.
9366 2000-01-30 Richard Henderson <rth@cygnus.com>
9368 * alpha.md (negtf2, abstf2): Fix word order thinko.
9370 (trunctfsf2): Avoid intermediate rounding errors.
9372 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9374 * cppfiles.c (find_position): Drop 'colp' argument, return the
9376 (read_and_prescan): Adjust to match. Don't ever manipulate
9377 line or line_base except via find_position.
9379 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9381 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9382 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9385 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9387 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9388 just print "<command line>". If 'filename' is null or an
9389 empty string, print "<stdin>" for the filename.
9390 * cpplib.c (do_define): Don't print the 'location of the
9391 previous definition' message if we're still parsing the
9393 (cpp_pedwarn_with_file_and_line): Always call
9394 cpp_file_line_for_message.
9396 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9398 * flow.c (mark_regs_live_at_end): Fix typo.
9400 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9402 * c-common.c: Adjust variable names, comments, help strings to c99.
9403 * c-lex.c: Likewise.
9404 * c-parse.y: Likewise.
9405 * c-tree.h: Likewise.
9407 * cpplib.h: Likewise.
9408 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9409 * cppinit.c: Likewise.
9411 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9413 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9414 * c4x.c: Define the optab rtx values.
9415 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9416 (c4x_emit_libcall): Use new optab rtx values.
9417 (c4x_emit_libcall3): Likewise.
9418 (c4x_emit_libcall_mulhi): Likewise.
9419 * c4x-protos.h: Add prototypes for optab rtx values and change
9420 prototypes for above c4x_emit_libcall functions.
9422 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9424 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9426 (c4x_function_prologue): Use regnames intead of float_reg_names when
9428 (c4x_function_epilogue): Likewise.
9429 (c4x_print_operand): Likewise.
9430 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9431 * c4x.md (set_high): Disable for TARGET_TI.
9433 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9435 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9436 of framepointer + constant to ADDR_REGS class.
9437 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9438 * c4x.c (std_or_reg_operand): New function.
9439 * c4x-protos.h (std_or_reg_operand): Prototype it.
9441 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9443 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9444 object names as libgcc2.c.
9445 * libgcc.S: Use newly defined names.
9447 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9448 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9450 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9451 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9452 (FLOW_LOOP_LAST_BLOCK): Likewise.
9454 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9456 * basic-block.h (struct loop): New fields 'first' and 'last'.
9457 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9458 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9459 and loop->last to check for NOTE_INSN_LOOP_END.
9461 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9463 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9464 of the loop descriptor rather than HEADER and LATCH. Also added
9465 missing break statements as well making some coding style modifications
9466 as suggested by Michael Hayes.
9468 2000-01-28 Richard Henderson <rth@cygnus.com>
9470 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9471 Break out that code ...
9472 (cleanup_cfg): ... here.
9473 (commit_one_edge_insertion): Detect a return instruction being
9474 emitted to an edge. Emit a barrier following; clear fallthru.
9475 (commit_edge_insertions): Verify CFG consistency.
9476 * function.c (expand_function_start): Kill unused variable.
9477 (expand_function_end): Likewise.
9478 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9479 to insert the epilogue.
9481 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9482 (delete_null_pointer_checks): Likewise.
9483 * output.h: Likewise.
9484 * reg-stack.c (reg_to_stack): Likewise.
9485 * toplev.c (rest_of_compilation): Likewise. Run
9486 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9488 2000-01-28 Richard Henderson <rth@cygnus.com>
9490 * Makefile.in (flow.o): Revert 24 Jan change.
9491 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9492 FUNCTION_VALUE result to DECL_RESULT's mode.
9494 * haifa-sched.c (schedule_insns): Don't recompute reg info
9497 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9499 * configure.in: Make --enable-cpplib the default.
9500 * configure: Regenerate.
9501 * gcc.dg/990119-1.c: No longer expected to fail.
9503 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9505 * jump.c (jump_optimize_1): Delete an optimization that is also done
9506 by merge_blocks in flow.
9508 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9510 * diagnostic.c (build_message_string, output_printf,
9511 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9512 (build_location_prefix): Fix non-literal format string.
9514 2000-01-27 Richard Henderson <rth@cygnus.com>
9516 * alpha.md (trunctfsf2): New.
9518 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9520 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9522 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9524 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9526 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9528 (skip_comment) ... here. Permit C++ comments in system
9529 headers always. Warn about C++ comments in user code under
9530 -std=gnu89 -pedantic.
9531 (copy_comment): Use skip_comment.
9532 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9534 (consider_directive_while_skipping, do_else, do_endif): Call
9535 validate_else unconditionally.
9536 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9537 text after the conditional in a system header.
9538 * cpplib.h (struct cpp_buffer): Add flag
9539 warned_cplusplus_comments.
9541 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9543 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9544 Use unshare_all_rtl_1.
9545 (unshare_all_rtl_again): New function.
9546 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9548 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9549 rather than resetting the 'used' flags ourself.
9551 * toplev.c (rest_of_compilation): Add current_function_decl
9552 to the unshare_all_rtl call.
9553 * tree.h: Prototype unshare_all_rtl.
9554 * rtl.h: Prototype unshare_all_rtl_again here.
9556 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9558 * genoutput.c (output_prologue): Include ggc.h in generated
9560 * Makefile.in (insn-output.o): Depends on ggc.h.
9562 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9563 Hans-Peter Nilsson <hp@bitrange.com>
9565 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9566 Remove redundant include of xm-ns32k.h.
9567 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9568 Remove redundant include of xm-ns32k.h.
9569 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9570 Remove redundant include of xm-ns32k.h.
9571 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9573 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9574 (TARGET_SWITCHES): Add documentation strings.
9575 (DWARF_FRAME_REGNUM): Override default definition.
9576 (REG_CLASS_CONTENTS): Add comments.
9577 (SUBSET_P): Format to reduce line length.
9578 (SMALL_REGISTER_CLASSES): Make a run time option.
9579 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9580 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9581 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9582 (regclass_map): fix typo in comment.
9583 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9584 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9585 (trace, reg_or_mem_operand): Delete, unused function.
9586 (calc_address_cost): Small offsets are cheaper than large ones.
9587 (expand_block_move): Generate more efficient code when bytes is a
9588 known at compile time.
9589 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9590 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9591 instead of reg_or_mem_operand.
9593 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9594 not general_operand. Similarly use "=rm" or stricter, not "=g".
9595 For input operands, use stricter constraints than "g" if not
9596 general_operand. Similarly use stricter predicate than
9597 "general_operand" when stricter constraints than "g" are present,
9598 except for matching constraints.
9599 (movstrsi): Use "memory_operand" for operands 0 and 1.
9600 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9601 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9602 not reg_or_mem_operand.
9603 (udivmoddisi4): Ditto.
9604 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9605 Use nonimmediate_operand for operand 3, not register_operand.
9606 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9609 2000-01-27 Fred Fish <fnf@be.com>
9611 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9612 * gthr-single.h: Likewise.
9613 * gthr-solaris.h: Likewise.
9614 * gthr-vxworks.h: Likewise.
9615 * gthr-win32.h: Likewise.
9618 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9620 * cppinit.c: Add " (cpplib)" to end of string printed by
9623 2000-01-27 Richard Henderson <rth@cygnus.com>
9625 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9626 testing for a signed comparison.
9627 (alpha_emit_floatuns): New.
9628 * alpha-protos.h: Declare it.
9629 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9630 (extendsfdf2): Tidy.
9632 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9634 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9635 no -g option specifying debugging format, default to -gstabs+.
9637 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9639 * calls.c (special_function_p): New argument fork_or_exec.
9640 (expand_call): When profile_arc_flag is set and the function
9641 is in the fork_or_exec group, call __bb_fork_func first.
9642 * libgcc2.c, _bb module (__bb_fork_func): New function.
9643 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9645 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9646 * tree.h (special_function_p): Update prototype.
9648 2000-01-26 Richard Henderson <rth@cygnus.com>
9650 * alpha.c (alpha_split_tfmode_pair): New.
9651 * alpha-protos.h: Declare it.
9652 * alpha.md (abstf2, negtf2): New.
9653 (movtf insn): Add input G constraint.
9654 (movtf splitter): Use alpha_split_tfmode_pair.
9656 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9658 * i386/cygwin.h: PROTO -> PARAMS.
9660 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9662 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9663 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9664 using _Qp_cmp/_Q_cmp and testing the return value.
9665 (print_operand): Call reverse_condition_maybe_unordered if
9666 we are handling CCFPmode or CCFPEmode.
9667 Handle ORDERED, UN* and LTGT comparisons.
9668 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9669 if not TARGET_HARD_QUAD.
9670 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9671 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9672 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9673 Adjust gen_b* calls so that they reflect return comparison of
9674 sparc_emit_float_lib_cmp.
9676 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9678 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9679 incoming operands array is large enough for one more operand.
9680 (alpha_emit_xfloating_arith): Likewise.
9682 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9684 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9685 file with one line and no trailing newline.
9686 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9687 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9688 checking if the match is on the line.
9689 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9691 2000-01-25 Richard Henderson <rth@cygnus.com>
9693 * sparc.c (output_cbranch): Fix accidental squashing of the
9694 fp branch pre-delay nop.
9696 2000-01-25 Richard Henderson <rth@cygnus.com>
9698 * tree.def (UNNE_EXPR): Remove.
9699 * c-typeck.c (build_binary_op): Don't handle it.
9700 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9702 * rtl.def (UNNE): Remove.
9704 * jump.c (reverse_condition): Update accordingly.
9705 (swap_condition): Likewise.
9706 (comparison_dominates_p): Handle unordered comparisons.
9707 (reverse_condition_maybe_unordered): New.
9708 * rtl.h (reverse_condition_maybe_unordered): Declare.
9710 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9711 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9712 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9713 * sparc.md (bltgt): New.
9715 2000-01-25 Nick Clifton <nickc@redhat.com>
9717 * emit-rtl.c (emit_insn): Only check machine class insns for
9718 improper emission of a RETURN.
9720 2000-01-25 Richard Henderson <rth@cygnus.com>
9722 * Makefile.in (flow.o): Depend on $(EXPR_H).
9723 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9724 duplicate the structure of diddle_return_value for keeping regs live.
9726 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9728 * loop.c (current_loop_info): Delete.
9729 (consec_sets_invariant_p): Add loop argument, update callers.
9730 (get_condition_for_loop): Likewise.
9731 (count_nonfixed_reads, update_giv_derive): Likewise.
9732 (simplify_giv_expr, general_induction_var): Likewise.
9733 (consec_sets_giv, recombine_givs): Likewise.
9734 (move_movables): Delete loop_start and loop_end arguments,
9735 add loop argument, and update callers.
9736 (find_mem_givs, check_final_value): Likewise.
9737 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9738 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9740 (basic_induction_var): Add loop argument, delete loop_level argument,
9742 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9743 add loop argument, and update callers.
9744 (find_splittable_regs, find_splittable_givs): Likewise.
9745 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9746 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9747 (biv_total_increment): Delete loop_start and loop_end arguments;
9749 (precondition_loop_p): Delete loop_start and loop_info arguments;
9751 * loop.h (get_condition_for_loop): Add loop argument.
9752 (biv_total_increment): Delete loop_start and loop_end arguments.
9753 (precondition_loop_p): Delete loop_start and loop_info arguments;
9755 (final_biv_value): Delete loop_start and loop_end arguments;
9757 (final_giv_value, back_branch_in_range_p): Likewise.
9759 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9761 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9763 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9765 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9766 point to the new "generated_files" doc.
9768 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9770 * config/fp-bit.c (_unord_f2): Fix typo.
9772 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9774 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9775 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9776 functions obsoleted by GC, such as push_obstacks_nochange,
9777 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9778 and code which existed only to decide whether or not to call
9779 them. Remove now-unused NESTED argument from start_function;
9780 all callers changed. Do not change behavior based on ggc_p.
9781 The use of the ixp_obstack in c-iterate.c and the util_obstack
9782 in objc/objc-act.c remain; these are not obsoleted by garbage
9784 * c-tree.h: Update prototype for start_function.
9786 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9788 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9790 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9793 2000-01-25 Richard Henderson <rth@cygnus.com>
9795 * sparc-protos.h (select_cc_mode): Declare.
9796 * sparc.c (select_cc_mode): New. Handle unordered compares.
9797 (output_cbranch): Always reverse via code change. Handle
9798 unordered compares. Factor tests and string updates.
9799 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9800 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9801 * sparc.md (bunordered, bordered): New.
9802 (bungt, bunlt, buneq, bunge, bunle): New.
9804 2000-01-25 Richard Henderson <rth@cygnus.com>
9806 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9807 * ggc-common.c (ggc_add_rtx_varray_root): New.
9808 (ggc_mark_rtx_varray): New.
9809 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9810 functions down below ggc_mark_foo.
9811 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9813 2000-01-25 Richard Henderson <rth@cygnus.com>
9815 * alpha.c (secondary_reload_class): Don't allocate a secondary
9816 for integral mode memories into FLOAT_REGS. Rearrange the more
9817 complicated memory expression inward.
9819 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9821 * inclhack.def: Fixes to play nicer with FreeBSD, and
9822 corrections to comments.
9823 (cxx_unready): Add select expression.
9824 (irix_sockaddr): Add bypass expression.
9825 (machine_ansi_h_va_list): New fix.
9826 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9827 Split out addition of "#include <stdarg.h>" to...
9828 (stdio_stdarg_h): ... here.
9829 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9830 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9831 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9833 (ultrix_ifdef): Tighten up select expression.
9835 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9836 re_ct and max_mach to avoid use of shell. Make printed names
9837 match names in inclhack.def. Use static copyright date.
9838 Don't count c_test and test expressions as requiring regex_t
9839 slots. Add some commentary.
9840 * inclhack.tpl: Do not include the 'This script contains N
9841 fixup scripts' line if PROGRAM is defined. Use static
9844 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9846 * dwarf2out.c: include "varray.h", not dyn-string.h.
9847 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9848 (addr_const_to_string, addr_to_string): Lose.
9849 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9850 (struct dw_val_struct): val_addr is now an rtx.
9851 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9852 (used_rtx_varray): New varray.
9853 (dwarf2out_init): Initialize it.
9855 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9857 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9858 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9859 * Makefile.in (dwarf2out.o): Update dependencies.
9861 2000-01-24 Richard Henderson <rth@cygnus.com>
9863 * i386.c (i386_dwarf_output_addr_const): New.
9864 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9866 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9868 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9869 * i386.c (i386_simplify_dwarf_addr): New.
9870 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9872 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9874 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9875 TYPE_STUB_DECL is NULL.
9877 2000-01-24 Richard Henderson <rth@cygnus.com>
9879 * builtins.c (expand_tree_builtin): Move ...
9880 * c-common.c (expand_tree_builtin): ... here.
9882 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9884 * loop.h (LOOP_INFO): New accessor macro.
9885 * basic-block.h (struct loop): Rename field `info' to `aux'.
9886 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9887 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9888 * unroll.c (loop_iterations, unroll_loop): Likewise.
9890 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9892 * config/i386/t-cygwin: Accomodate new winsup directory layout
9893 when searching for include files.
9895 2000-01-24 Richard Henderson <rth@cygnus.com>
9897 * rtl.def: Add unordered fp comparisions.
9898 * tree.def: Likewise.
9899 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9901 * builtins.c (expand_tree_builtin): New function.
9902 * c-typeck.c (build_function_call): Use it.
9903 (build_binary_op): Support unordered compares.
9904 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9906 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9907 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9908 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9909 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9910 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9912 (swap_condition): Handle unordered compares.
9913 (thread_jumps): Check can_reverse before reversing.
9914 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9917 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9918 setcc is present before acking for cmp_optab. Update all callers.
9919 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9920 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9921 * expr.c (expand_expr): Likewise. Support unordered compares.
9922 (do_jump, do_store_flag): Likewise.
9923 * expr.h (enum libfunc_index): Add unordered compares.
9925 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9926 (DPBIT_FUNCS): Add _unord_df.
9927 * config/fp-bit.c (_unord_f2): New.
9928 * fp-test.c (main): Try unordered compare builtins.
9930 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9931 * alpha.c (alpha_comparison_operator): Check mode properly.
9932 (alpha_swapped_comparison_operator): Likewise.
9933 (signed_comparison_operator): Likewise.
9934 (alpha_fp_comparison_operator): New.
9935 (alpha_emit_conditional_branch): Handle unordered compares.
9936 * alpha.h (PREDICATE_CODES): Update.
9937 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9938 (bunordered, bordered): New.
9940 2000-01-24 Richard Henderson <rth@cygnus.com>
9942 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9943 * alpha.md (movtf): New expander, insn, and splitter.
9945 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9947 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9950 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9952 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9953 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9954 REG_ALLOC_ORDER): Add frame pointer
9955 (FRAME_POINTER_REGNUM): Set to 20
9956 (HARD_FRAME_POINTER_REGNUM): New macro.
9957 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9958 to HARD_FRAME_POINTER.
9959 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9960 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9961 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9962 (HI_REGISTER_NAMES): Add "frame".
9963 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9964 (debug_reg): Handle FRAME_POINTER_REGNUM.
9965 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9966 GENERAL_REGS and INDEX_REGS.
9967 * i386.c (SAVED_REGS_FIRST): new macro.
9968 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9969 (ix86_decompose_address, memory_address_length): Likewise.
9970 (regclass_map): Add frame pointer.
9971 (call_insn_operand): Handle frame_pointer_rtx.
9972 (reg_no_sp_operand): Likewise.
9973 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9974 (print_operand, legitimize_pic_address): Fix formating.
9975 (ix86_compute_frame_size): Make static, update prototype, new
9976 parameters padding1, padding2, use ix86_nsaved_regs, use
9977 stack_alignment_needed.
9978 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9979 to HARD_FRAME_POINTER_REGNUM conversions.
9980 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9981 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9982 (print_reg): Abort on FRAME_POINTER_REGNUM
9984 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9986 * i386.h (PREDICATE_CODES): Add aligned_operand.
9987 * i386.c (aligned_operand): New function.
9988 (ix86_aligned_p): Kill.
9989 * i386.md (movhi_1): Emit mov for aligned operands.
9990 (promoting peep2s): Use aligned_operand.
9992 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9994 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9995 expression to allow underscores in macro names.
9996 (fix_char_macro_defines): Increment scanning pointer.
9998 2000-01-23 Richard Henderson <rth@cygnus.com>
10000 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10001 * alpha/osf5.h: New file.
10002 * configure.in (alpha-*-osf5): Add it to tm_file.
10004 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10006 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10007 (alpha_emit_xfloating_cvt, function_arg): Declare.
10008 * alpha.c (alpha_emit_conditional_branch): Call
10009 alpha_emit_xfloating_compare for TFmode compares.
10010 (alpha_lookup_xfloating_lib_func): New.
10011 (alpha_compute_xfloating_mode_arg): New.
10012 (alpha_emit_xfloating_libcall): New.
10013 (alpha_emit_xfloating_arith): New.
10014 (alpha_emit_xfloating_compare): New.
10015 (alpha_emit_xfloating_cvt): New.
10016 (print_operand): Add default abort case.
10017 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10018 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10019 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10020 (RETURN_IN_MEMORY): True for TF/TCmode.
10021 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10022 (FUNCTION_ARG): Move to function_arg.
10023 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10024 (ASM_OUTPUT_LONG_DOUBLE): New.
10025 (ASM_OUTPUT_DOUBLE): Always output bits.
10026 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10027 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10028 (extenddftf2, trunctfdf2): New.
10030 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10032 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10033 * config/sparc/sol2.h: ... here.
10035 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10037 * basic-block.h (struct loops): New field `levels'.
10038 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10039 (flow_loop_level_compute): Initialise level to 1.
10040 (flow_loops_find): Set loops->levels.
10041 (flow_loops_dump): Print loops->levels.
10043 2000-01-23 Richard Henderson <rth@cygnus.com>
10045 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10046 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10048 2000-01-23 Richard Henderson <rth@cygnus.com>
10050 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10051 * i386.h (DBX_REGISTER_NUMBER): Use them.
10052 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10053 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10054 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10055 * i386/sequent.h: Kill incorrect comment.
10057 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10059 * ggc-page.c (struct page_entry): Make `context_depth' an
10061 (struct globals): Likewise.
10063 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10065 * loop.c (check_dbra_loop): When checking a loop for
10066 reversability, check the source of any stores to ensure
10067 they don't depend on an initial value.
10069 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10071 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10073 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10075 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10076 'pz_scan' into scope of entire function. Only affects
10077 compiles with -DDEBUG.
10079 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10081 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10082 section naming to that prior to 2000-01-07 patch.
10083 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10084 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10085 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10086 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10087 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10089 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10091 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10094 2000-01-21 Jim Wilson <wilson@cygnus.com>
10096 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10097 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10099 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10101 * cpphash.c (change_newlines): Delete function.
10102 (struct argdata): Delete 'newlines' and 'use_count' fields.
10103 (macroexpand): Remove code referencing those fields.
10105 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10107 * loop.c (loops_info): New variable.
10108 (loop_optimize): Allocate loops->array and free it on exit.
10109 Allocate memory for loops_info and assign to each loop,
10111 (find_and_verify_loops): Do not allocate loops->array.
10113 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10115 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10117 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10119 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10120 pseudos if expanded after first flow.
10121 (movdi_pic_label_ref): Likewise.
10123 2000-01-20 Richard Henderson <rth@cygnus.com>
10125 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10127 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10129 * Makefile.in (fixinc.sh): Depend on specs.
10130 * fixinc/Makefile.in: Add rule to create machname.h.
10131 (fixlib.o): Depend on machname.h.
10132 * fixinc/fixtests.c (machine_name): New test.
10133 * fixinc/fixfixes.c (machine_name): New fix.
10134 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10135 the machine_name test and fix.
10136 * fixinc/fixlib.h: Prototype it.
10137 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10138 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10140 * gcc.c (do_spec_1) [case P]: Take care not to create
10141 identifiers with three leading or trailing underscores.
10143 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10144 (fixincl): Don't specify libraries twice on link line.
10145 (gnu-regex.o): Remove special rule.
10146 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10147 defined by config.h. Do not define _REGEX_RE_COMP.
10148 (regcomp): Allocate and initialize a fastmap.
10149 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10151 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10153 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10155 2000-01-19 Richard Henderson <rth@cygnus.com>
10157 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10158 arguments with BB. Update all callers. Tidy line wrapping.
10160 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10162 * emit-rtl.c (try_split): Return last_insn if we split the
10165 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10167 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10168 (ix86_initial_elimination_offset): Declare.
10169 * i386.c (ix86_nsaved_regs): Break out from ...
10170 (ix86_can_use_return_insn_p): ... here.
10171 (ix86_emit_save_regs): Break out from ...
10172 (ix86_expand_prologue): ... here.
10173 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10175 (ix86_expand_epilogue): ... here.
10176 (ix86_compute_frame_size): Make static, add prototype.
10177 (ix86_initial_elimination_offset): Break out from ...
10178 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10180 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10182 * recog.h (OUT_FCN): Delete.
10184 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10186 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10188 * cppalloc.c: PROTO -> PARAMS.
10189 * cpperror.c: Likewise.
10190 * cppfiles.c: Likewise.
10191 * cpplib.c: Likewise.
10192 * cpplib.h: Likewise.
10194 * config/arm/arm-protos.h: PROTO -> PARAMS.
10195 * config/arm/arm.c: Likewise.
10196 * config/c4x/c4x.c: Likewise.
10197 * config/fr30/fr30-protos.h: Likewise.
10198 * config/nextstep.c: Likewise.
10199 * config/pa/pa.c: Likewise.
10200 * config/pj/pj.c: Likewise.
10201 * config/rs6000/rs6000.c: Likewise.
10202 * config/v850/v850-protos.h: Likewise.
10203 * config/v850/v850.c: Likewise.
10205 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10207 * i370-protos.h: New file.
10209 * i370.c: Include tm_p.h. Fix compile time warnings.
10211 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10214 * i370.md: Likewise.
10216 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10218 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10219 (target_isinf, target_isnan, eisnan): Mark parameter with
10221 (eiisinf): Wrap in INFINITY.
10222 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10223 (ibmtoe): Remove unused variable `rndsav'.
10225 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10227 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10228 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10230 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10232 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10233 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10234 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10236 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10237 Recognize Emacs mode markers also.
10238 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10239 C++ comments in C++ headers. Call is_cxx_header only if
10242 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10243 bypass for ncurses.
10244 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10245 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10246 ... these, which use the new C fixes.
10247 (math_exception): Escape literal '+' in bypass expression.
10249 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10252 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10254 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10257 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10259 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10260 prior to calling scan_loop.
10262 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10264 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10265 (split_branches, calc_live_regs): Likewise.
10267 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10269 * sh.md (fpu_single, fp_mode): New attributes.
10271 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10273 * loop.c (current_loop_info): Renamed from loop_info_data
10274 and changed to a pointer.
10275 (loop_optimize): Allocate loop_info structure for each loop
10276 and initialise to zero.
10277 (scan_loop): Set current_loop_info.
10279 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10282 2000-01-19 Richard Henderson <rth@cygnus.com>
10284 * stupid.c: Die die die.
10285 * Makefile.in (OBJS): Remove stupid.o.
10286 (stupid.o): Likewise.
10288 * except.c (emit_eh_context): Don't emit USEs for stupid.
10289 * explow.c (probe_stack_range): Likewise.
10290 * flags.h (obey_regdecls): Remove.
10291 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10292 when not optimizing.
10293 (life_analysis): Limit data collection when not optimizing.
10294 (mark_regs_live_at_end): Always mark the return value registers.
10295 (mark_used_regs): Remove dummy RETURN case.
10296 (print_rtl_with_bb): Don't consult obey_regdecls.
10297 * function.c (use_variable, use_variable_after): Remove.
10298 (assign_parms): Consult optimize not obey_regdecls.
10299 (expand_function_start): Don't emit USEs for stupid.
10300 (expand_function_end): Likewise.
10301 * global.c (build_insn_chain): Export.
10302 * integrate.c (expand_inline_function): Kill return-value USE
10304 * jump.c (jump_optimize_1): Do simple jump optimizations and
10305 dead code elimination.
10306 (calculate_can_reach_end): Remove check_deleted argument.
10307 (delete_insn): Patch out insns even when not optimizing.
10308 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10309 * rtl.h (use_variable, use_variable_after): Remove declarations.
10310 (build_insn_chain): Declare.
10311 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10312 (expand_end_bindings): Likewise.
10313 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10314 * toplev.c (obey_regdecls): Remove.
10315 (rest_of_compilation): Don't set it. Kill stupid in favour of
10316 flow1, local-alloc, and reload.
10317 (main): Don't set obey_regdecls.
10319 * config/nextstep.c (handle_pragma): Likewise.
10321 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10323 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10325 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10327 * alpha-protos.h: PROTO -> PARAMS.
10328 * alpha.c: Likewise.
10330 * h8300.c: Likewise.
10331 * i386-protos.h: Likewise.
10332 * i386.c: Likewise.
10333 * m32r-protos.h: Likewise.
10334 * m32r.c: Likewise.
10335 * mips.c: Likewise.
10336 * mips.md: Likewise.
10337 * gmon-sol2.c: Likewise.
10338 * sparc.c: Likewise.
10340 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10342 * ns32k-protos.h: New file.
10344 * ns32k.c: Fix compile time warnings.
10346 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10349 * ns32k.md: Likewise.
10351 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10353 * vax-protos.h: New file.
10355 * vax.c: Fix compile time warnings.
10357 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10360 * vax.md: Likewise.
10362 * vaxv.md: Likewise.
10364 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10366 * romp-protos.h: New file.
10368 * romp.c: Fix compile time warnings.
10370 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10373 * romp.md: Likewise.
10375 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10377 * we32k-protos.h: New file.
10379 * we32k.c: Fix compile time warnings.
10381 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10384 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10386 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10388 * except.c (eh_regs): Likewise.
10390 * final.c (output_operand): Likewise.
10392 * fold-const.c (target_isinf, target_isnan): Likewise.
10394 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10396 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10397 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10399 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10400 when optimize_size.
10401 (clrstrsi): Rewrite.
10402 (strsethi, strsetqi): New expanders.
10403 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10404 (cmpstrsi): Emit compare insn before cmpstrsi_1
10405 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10406 (strlensi_1): Likewise.
10407 (cmpstrsi_1): Likewise; do not output compare.
10408 (strlen expander): Do not unroll when optimizing for size.
10409 (*subsi3_carry): Rename to subsi3_carry
10410 (addqi3_cc): New pattern.
10411 * i386.h (processor_costs): Add move_ratio field.
10412 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10413 * i386.c (*_cost): Set move_ratio.
10414 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10415 (x86_expand_strlensi_1): Rewrite the main loop.
10417 2000-01-17 Richard Henderson <rth@cygnus.com>
10419 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10420 * cse.c (find_comparison_args, fold_rtx): Likewise.
10421 * integrate.c (subst_constants): Likewise.
10422 * loop.c (get_condition): Likewise.
10424 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10426 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10428 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10430 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10431 (RESTORE_WARN_FLAGS): Unpack it.
10432 Change semantic type of extension to ttype.
10433 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10434 * c-parse.y, c-parse.c, objc/objc-parse.y,
10435 objc/objc-parse.c: Regenerate.
10437 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10439 * fixinc/fixlib.c: Add copyright notice.
10440 (compile_re): New function.
10441 * fixinc/fixlib.h: Prototype compile_re.
10443 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10444 Use compile_re to compile regular expressions.
10446 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10447 where the pattern matched.
10449 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10451 (ultrix_ansi_compat): Likewise.
10452 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10454 (interactv_add2, interactv_add3): Delete.
10455 (x11_sprintf): Don't use filename glob.
10456 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10459 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10461 * print-rtl.c: PROTO -> PARAMS.
10462 * real.c: Likewise.
10463 * reg-stack.c: Likewise.
10464 * resource.c: Likewise.
10465 * sdbout.h: Likewise.
10466 * simplify-rtx.c: Likewise.
10467 * stor-layout.c: Likewise.
10468 * stupid.c: Likewise.
10469 * xcoffout.c: Likewise.
10470 * xcoffout.h: Likewise.
10472 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10474 * toplev.c: PROTO -> PARAMS.
10475 * toplev.h: Likewise.
10476 * tree.c: Likewise.
10477 * tree.h: Likewise.
10478 * unroll.c: Likewise.
10479 * varasm.c: Likewise.
10480 * varray.c: Likewise.
10481 * varray.h: Likewise.
10483 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10485 * reload.c: PROTO -> PARAMS.
10486 * reload.h: Likewise.
10487 * reload1.c: Likewise.
10488 * reorg.c: Likewise.
10489 * resource.h: Likewise.
10492 * rtlanal.c: Likewise.
10493 * sbitmap.h: Likewise.
10494 * sdbout.c: Likewise.
10495 * stack.h: Likewise.
10496 * stmt.c: Likewise.
10497 * system.h: Likewise.
10499 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10501 * machmode.h: PROTO -> PARAMS.
10502 * mbchar.h: Likewise.
10503 * mips-tdump.c: Likewise.
10504 * mips-tfile.c: Likewise.
10505 * optabs.c: Likewise.
10506 * output.h: Likewise.
10507 * prefix.c: Likewise.
10508 * profile.c: Likewise.
10509 * protoize.c: Likewise.
10510 * real.h: Likewise.
10511 * recog.c: Likewise.
10512 * recog.h: Likewise.
10513 * regclass.c: Likewise.
10514 * regmove.c: Likewise.
10515 * regs.h: Likewise.
10517 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10519 * ggc-common.c: PROTO -> PARAMS.
10520 * ggc-page.c: Likewise.
10521 * ggc-simple.c: Likewise.
10523 * global.c: Likewise.
10524 * graph.c: Likewise.
10525 * gthr-win32.h: Likewise.
10526 * haifa-sched.c: Likewise.
10527 * halfpic.h: Likewise.
10528 * integrate.c: Likewise.
10529 * integrate.h: Likewise.
10530 * jump.c: Likewise.
10532 * local-alloc.c: Likewise.
10533 * loop.c: Likewise.
10534 * loop.h: Likewise.
10536 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10538 * genattr.c: PROTO -> PARAMS.
10539 * genattrtab.c: Likewise.
10540 * gencheck.c: Likewise.
10541 * gencodes.c: Likewise.
10542 * genconfig.c: Likewise.
10543 * genemit.c: Likewise.
10544 * genextract.c: Likewise.
10545 * genflags.c: Likewise.
10546 * gengenrtl.c: Likewise.
10547 * genopinit.c: Likewise.
10548 * genoutput.c: Likewise.
10549 * genpeep.c: Likewise.
10550 * genrecog.c: Likewise.
10552 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10554 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10556 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10558 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10559 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10560 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10561 * configure, config.in: Rebuilt.
10563 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10565 * config/i386/i386.md: Add peephole to merge successive stack
10568 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10570 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10571 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10572 when walking backwards to find all the parameter loads when
10573 the basic block ends in a call.
10575 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10577 * loop.c (this_loop_info): Delete.
10578 (uid_loop): Add in place of uid_loop_num. All uses updated.
10579 (loop_number_exit_count): Delete and replace with entry in loop
10580 structure. All uses updated.
10581 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10582 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10583 (loop_outer_loop): Likewise.
10584 (loop_invalid, loop_number_exit_labels): Likewise.
10585 (loop_used_count_register): Delete and replace with entry in
10586 loop_info structure.
10587 (find_and_verify_loops): Add loops argument.
10588 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10589 loop_end, etc. arguments with loop structure pointer. All callers
10591 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10592 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10593 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10594 (insert_bct): Likewise.
10595 (basic_induction_var): New argument level.
10596 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10597 vtop, and cont. Add used_count_register.
10598 (uid_loop): Delete declaration.
10599 (loop_number_exit_count): Likewise.
10600 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10601 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10602 (loop_outer_loop, loop_used_count_register): Likewise.
10603 (loop_invalid, loop_number_exit_labels): Likewise.
10604 (unroll_loop): Replace loop_start and loop_end arguments
10605 with loop structure pointer.
10606 (loop_precondition_p, loop_iterations): Likewise.
10607 Include basic-block.h.
10608 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10609 with loop structure pointer.
10610 (loop_precondition_p, loop_iterations): Likewise.
10611 * basic-block.h (struct loop): New entries vtop, cont,
10612 cont_dominator, start, end, top, scan_start, exit_labels,
10614 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10616 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10618 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10620 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10622 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10624 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10626 * pdp11-protos.h: New file.
10628 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10631 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10634 * pdp11.md: Likewise.
10636 * 2bsd.h: Likewise.
10638 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10640 * mn10300-protos.h: New file.
10642 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10645 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10648 * mn10300.md: Likewise.
10650 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10652 * mn10200-protos.h: New file.
10654 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10657 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10660 * mn10200.md: Likewise.
10662 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10664 * h8300-protos.h: New file.
10666 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10669 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10672 * h8300.md: Likewise.
10674 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10676 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10677 (asm_emit_uninitialised): Likewise.
10679 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10681 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10682 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10684 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10686 * config/mips/mips.c (override_options): Don't turn on extra
10687 alignment for mips16.
10689 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10691 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10692 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10695 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10697 * builtins.c (PAD_VARARGS_DOWN): Define.
10698 (std_expand_builtin_va_arg): Use the above macro.
10699 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10700 * tm.texi (Register Arguments): Document the above macro.
10702 2000-01-14 Nick Clifton <nickc@cygnus.com>
10704 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10705 that this function has not been used to emit a jump
10708 * jump.c (return_jump_1): Cope with being passed a null rtx.
10710 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * eh-common.h: PROTO -> PARAMS.
10713 * emit-rtl.c: Likewise.
10714 * errors.c: Likewise.
10715 * errors.h: Likewise.
10716 * except.c: Likewise.
10717 * except.h: Likewise.
10718 * explow.c: Likewise.
10719 * expmed.c: Likewise.
10720 * expr.c: Likewise.
10721 * expr.h: Likewise.
10722 * final.c: Likewise.
10723 * fix-header.c: Likewise.
10724 * flow.c: Likewise.
10725 * fold-const.c: Likewise.
10726 * function.c: Likewise.
10727 * function.h: Likewise.
10729 * gcov-io.h: Likewise.
10730 * gcov.c: Likewise.
10731 * gcse.c: Likewise.
10733 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10735 * sh-protos.h: New file.
10737 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10738 Add static prototypes. Fix compile time warnings.
10740 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10744 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10746 * arc-protos.h: New file.
10748 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10751 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10754 * arc.md: Likewise.
10756 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10758 * dsp16xx-protos.h: New file.
10760 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10763 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10766 * dsp16xx.md: Likewise.
10768 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10770 * convex-protos.h: New file.
10772 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10775 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10778 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10780 * elxsi-protos.h: New file.
10782 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10785 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10788 * elxsi.md: Likewise.
10790 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10792 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10793 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10794 match the comment for MIPS16.
10796 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10798 * flow.c (split_edge): Do not call set_block_for_insn if we
10799 do not have a basic_block_for_insn structure.
10801 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10802 and destination functions are 32bit aligned within the trampoline.
10803 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10804 (TRAMPOLINE_ALIGNMENT): Define.
10806 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10807 (set (pc) (label_ref)), verify the change creates a valid insn.
10809 * fr30.c (call_operand): Tighten and rework to match rules for
10810 call RTL expressions.
10811 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10812 * fr30.md (call patterns): Improve constraints.
10814 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10816 * fr30.c (fr30_expand_epilogue): Revert last change.
10817 Use emit_jump_insn for the return insn.
10819 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10820 Stan Cox <scox@cygnus.com>
10822 * predict.c: New file. Preliminary infrastructure work for static
10823 branch prediction and basic block reordering.
10824 * basic-block.h: Add prototype for estimate_probability.
10825 * Makefile.in: Add rules for predict.o.
10827 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10829 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10830 * fixinc/*: Likewise.
10832 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10834 * cccp.c: PROTO -> PARAMS.
10835 * cexp.y: Likewise.
10836 * collect2.c: Likewise.
10837 * combine.c: Likewise.
10838 * convert.h: Likewise.
10840 * dbxout.c: Likewise.
10841 * dbxout.h: Likewise.
10842 * diagnostic.c: Likewise.
10843 * doprint.c: Likewise.
10844 * dwarf2out.c: Likewise.
10845 * dwarf2out.h: Likewise.
10846 * dwarfout.c: Likewise.
10847 * dwarfout.h: Likewise.
10848 * dyn-string.h: Likewise.
10850 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10852 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10853 macro conditionals guarding use.
10855 * dwarf2out.c: Include "tm_p.h".
10857 * function.c (locate_and_pad_parm): Mark parameter with
10859 (expand_function_end): Likewise for variable `context'.
10861 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10863 2000-01-13 Nick Clifton <nickc@cygnus.com>
10865 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10866 register to prevent compile time warnings.
10868 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10870 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10871 to avoid -Wtraditional warning.
10873 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10875 * 1750a-protos.h: New file.
10877 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10880 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10883 * 1750a.md: Likewise.
10885 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10887 * a29k-protos.h: New file.
10889 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10892 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10895 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10897 * clipper-protos.h: New file.
10899 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10902 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10905 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10907 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10909 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10911 * configure.in (--enable-new-gxx-abi): New option.
10912 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10913 * Makefile.in (GXX_ABI_FLAG): New variable.
10914 * configure: Regenerate.
10916 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10918 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10919 * tm.texi (FORCE_STRUCT_BLK): Document.
10920 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10922 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10924 * config/ns32k/ns32k.md: Revert Jan 9 change.
10926 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10927 to a mode-test, if the predicate is address_operand.
10929 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10931 * combine.c (if_then_else_cond): Be careful about what kinds
10932 of RTL expressions are passed to operand_subword.
10934 * flow.c (split_edge): If we have to insert a new jump, make
10935 sure to associate it with a basic block.
10937 * flow.c (commit_one_edge_insertion): A block with one successor
10938 can end in a JUMP_INSN that is not a simplejump.
10940 2000-01-12 Robert Lipe <robertl@sco.com>
10942 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10943 (BUILD_VA_LIST_TYPE): Define.
10944 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10947 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10949 * cccp.c (do_pragma): Add cast to (char *).
10951 2000-01-12 Richard Henderson <rth@cygnus.com>
10952 Fred Fish <fnf@be.com>
10953 Jason Merrill <jason@cygnus.com>
10955 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10956 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10957 * i386/beos-elf.h, i386/beos-pe.h: New files.
10959 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10960 * cross-make (SYSTEM_HEADER_DIR): Define using
10961 CROSS_SYSTEM_HEADER_DIR.
10963 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10964 (process_command): Use it.
10965 (main): Likewise. Kill trailing = from env vars.
10966 (build_search_list): Put it back.
10967 * collect2.c (main): Use LIBRARY_PATH_ENV.
10969 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10970 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10972 * tm.texi (Frame Layout): Document SMALL_STACK.
10973 * c-common.c (c_common_nodes_and_builtins): Check it.
10975 * system.h: Undef alloca after including glibc's <stdlib.h>,
10976 if USE_C_ALLOCA is defined.
10978 * gcc.c (set_input): New fn.
10979 (main): After all input files are compiled, reset the input file
10982 * aclocal.m4 (rindex, index): If already defined, don't attempt
10985 * ginclude/varargs.h: (__va_list__): Define ifndef.
10986 * ginclude/stdarg.h: Likewise.
10988 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10989 instead of unsigned char.
10991 * hash.h (true, false, boolean): Undef before enum.
10993 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10994 proper type of "HOST_WIDE_INT *", rather than their natural type of
10995 "unsigned HOST_WIDE_INT *".
10997 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10999 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11001 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11003 * regclass.c (choose_hard_reg_mode): Likewise.
11005 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11007 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11009 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11011 * c-common.c: PROTO -> PARAMS.
11012 * c-common.h: Likewise.
11013 * c-decl.c: Likewise.
11014 * c-iterate.c: Likewise.
11015 * c-lang.c: Likewise.
11016 * c-lex.c: Likewise.
11017 * c-lex.h: Likewise.
11018 * c-parse.in: Likewise.
11019 * c-pragma.c: Likewise.
11020 * c-pragma.h: Likewise.
11021 * c-tree.h: Likewise.
11022 * c-typeck.c: Likewise.
11023 * objc/objc-act.c: Likewise.
11024 * objc/objc-act.h: Likewise.
11026 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11028 * m88k-protos.h: New file.
11030 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11033 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11035 * m88k.md: Likewise.
11037 * tekXD88.h: Likewise.
11039 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11041 * m68k-protos.h: New file.
11043 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11046 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11048 * mot3300.h: Likewise.
11050 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11052 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11054 (extract_bitlist): Declare bitlen.
11056 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11058 * cccp.c: Accept and ignore -lang-fortran.
11060 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11061 qualifiers don't match at any level of pointerness.
11063 2000-01-12 Robert Lipe <robertl@sco.com>
11065 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11067 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11069 * reload1.c (reload_reg_unavailable): New static variable.
11070 (reload_reg_free_p): Test it.
11071 (reload_reg_free_for_value_p): Test it instead of
11073 (choose_reload_regs_init): Compute it.
11075 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11077 * reorg.c (fill_slots_from_thread): Check modified_in_p
11080 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11082 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11083 these nodes even if INTERNALS is not set.
11085 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11087 * gcse.c (delete_null_pointer_checks_1): Cope when
11088 get_condition cannot determine the condition.
11090 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11092 * toplev.h (set_message_length): Declare.
11094 * diagnostic.c (obstack_chunk_alloc): Define macro.
11095 (obstack_chunk_free): Likewise.
11096 (struct output_buffer): New data structure.
11097 (vmessage): Remove.
11098 (output_maximum_width): New variable.
11099 (doing_line_wrapping, set_message_length, init_output_buffer,
11100 get_output_prefix, output_space_left, emit_output_prefix,
11101 output_newline, output_append, output_puts, dump_output,
11102 vbuild_message_string, build_message_string, build_location_prefix,
11103 voutput_notice, output_printf, line_wrapper_printf,
11104 vline_wrapper_message_with_location): New functions. Implement
11105 automatic line wrapping.
11106 (v_message_with_decl): Make it handle automatic line wrapping.
11107 (v_error_with_file_and_line): Likewise.
11108 (v_warning_with_file_and_line): Likewise.
11109 (announce_function): Likewise.
11110 (default_print_error_function): Likewise.
11112 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11114 * cpplib.h (struct cpp_options): Change lang_asm to char.
11116 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11117 done in cpp_handle_option now.
11118 (initialize_builtins): Take out special case code used only by
11120 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11121 if -traditional. Recognize -lang-fortran and set
11122 lang_fortran, also turn off cplusplus_comments.
11123 (print_help): Document -lang-fortran.
11124 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11125 lang_asm. Ignore all directives other than `# 123 "file"' if
11127 (cpp_get_token): If -traditional, don't recognize directives
11128 unless the # is in column 1.
11129 (parse_string): If lang_fortran or lang_asm, silently
11130 terminate strings ('' or "") at end of line.
11131 Remove unnecessary braces.
11133 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11134 Richard Henderson <rth@cygnus.com>
11136 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11138 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11139 strict_low_part when possible.
11141 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11143 * alias.c: PROTO -> PARAMS.
11144 * basic-block.h: Likewise.
11145 * bitmap.c: Likewise.
11146 * bitmap.h: Likewise.
11147 * builtins.c: Likewise.
11148 * c-aux-info.c: Likewise.
11149 * caller-save.c: Likewise.
11150 * calls.c: Likewise.
11152 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11154 * Makefile.in (toplev.o): Depend on regs.h.
11156 * output.h (tdesc_section): Prototype.
11158 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11160 * sdbout.c: Include "tm_p.h".
11162 * toplev.c: Include "regs.h".
11164 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11166 * unroll.c (unroll_loop): Add EH support.
11168 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11170 * pa-protos.h: New file.
11172 * pa.c: Include recog.h and tm_p.h.
11173 (compute_zdepwi_operands, compute_movstrsi_length,
11174 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11175 find_addr_reg, import_milli): Add static prototypes.
11176 (pa_cpu_string, pa_arch_string): Constify a char*.
11177 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11178 (read_only_operand): Add argument `mode'.
11179 (singlemove_string, output_move_double, output_fp_move_double,
11180 output_block_move, output_and, output_ior, output_ascii,
11181 remove_useless_addtr_insns, milli_names, output_mul_insn,
11182 output_div_insn, output_mod_insn, output_arg_descriptor,
11183 output_cbranch, output_bb, output_bvb, output_dbra, ,
11184 output_millicode_call, output_call, hppa_encode_label,
11185 output_parallel_movb, output_parallel_addb): Constify a char*.
11186 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11187 (output_parallel_addb): Remove extra arg to `constrain_operands'
11189 * pa.h: Move all prototypes to pa-protos.h.
11190 (pa_cpu_string, pa_arch_string): Constify a char*.
11191 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11193 * pa.md: Call `function_label_operand' with mode argument.
11194 Likewise for `read_only_operand'.
11195 Fix nesting of parens in call to `symbolic_operand'.
11197 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11199 * i860-protos.h: New file.
11201 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11204 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11206 * i860.md: Likewise.
11208 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11210 * i386.md (movstrsi expander): Rewrite.
11211 (movstrsi_1 insn): Deleted.
11212 (strmovhi, strmovqi expander): New expanders.
11213 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11214 * i386.c (x86_single_stringop): New global variable.
11215 * i386.h (x86_single_stringop): Declare.
11216 (TARGET_SINGLE_STRINGOP): New macro.
11218 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11220 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11221 integer vararg POSTINCREMENT before the destination of the jump
11222 for the hard fp case.
11223 (function_arg_pass_by_reference): Pass a copy of CUM to
11226 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11227 for CONSTANT_ADDRESS_P above while loop for subreg.
11229 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11231 * flow.c (propagate_block): When a prologue/epilogue insn
11232 is marked dead, unconditionally clear libcall_is_dead and
11233 insn_is_dead, and only dump rtl if warnings aren't being
11236 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11238 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11239 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11240 (FIXED_REGISTERS): Set dirflag as fixed.
11241 (CALL_USED_REGISTERS): Set dirflag as used.
11242 (REG_ALLOC_ORDER): Set dirflag as last one.
11243 (DIRFLAG_REG): New macro.
11244 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11245 (HI_REGISTER_NAMES): Add dirflag.
11246 (DEBUF_PRINT_REG): Handle dirflag.
11247 * i386.md (type attribute): New cld and str types.
11248 (length_opcode attribute): Set cld and str to 1.
11249 (memory attribute): Set str to unknown - it is not clear from the
11251 (pent_np function unit): Prefixed string operations takes 12 cycles
11252 minimally; cld takes 2 cycles.
11253 (ppro_uops attribute): Str is "many" and cld is "few".
11254 (ppro_p0 unit): Handle cld here.
11255 (k6_alux unit): Handle cld and str types.
11256 (k6_load unit): It is ocupied by str opcodes.
11257 (k6_store unit): It is ocupied by str opcodes.
11258 (athlon_decode): Str is vector decoded.
11259 (athlon_ieu): Handle str and cld.
11260 (cld pattern): New.
11261 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11262 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11263 cmpstrsi_nz_1 insn): Do not output cld instruction
11265 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11267 * gcc.texi (G++ and GCC): Add Java and Chill.
11268 (Bug Critera): Don't list languages.
11270 * gcc.texi (Incompatibilities): No longer claim most C compilers
11273 * gcc.texi (G++ and GCC): Update other front-ends list.
11275 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11277 * i386.c (ix86_expand_setcc): Fix typo.
11278 (ix86_expand_movcc): Similarly.
11280 * Band-aid until haifa's bitset implementation is nuked.
11281 * haifa-sched.c (extract_bitlst): New parameter for size of the
11282 bitset in bits. All callers changed. Avoid looking at undefined
11283 bits in the bitset.
11284 (edgeset_bitsize): New variable.
11285 (schedule_region): Initialize edgeset_bitsize.
11287 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11289 * Makefile.in (optabs.o): Depend on real.h
11290 (resource.o): Depend on insn-attr.h
11292 * builtins.c (result_vector): Wrap prototype in macro conditions
11293 governing definition and use.
11295 * c-common.c: Include tm_p.h.
11297 * c-lex.c: Likewise.
11299 * elfos.h: Constify a char*.
11301 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11302 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11303 parameter with ATTRIBUTE_UNUSED.
11305 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11308 * haifa-sched.c (schedule_insns): Mark parameter with
11311 * optabs.c: Include real.h.
11313 * real.h (ereal_atof): Add prototype arguments.
11315 * resource.c: Include insn-attr.h.
11317 * sdbout.c (sdbout_queue_anonymous_type,
11318 sdbout_dequeue_anonymous_types): Wrap in macro
11319 SDB_ALLOW_FORWARD_REFERENCES.
11320 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11323 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11325 * stupid.c: Include tm_p.h.
11327 * tree.c (real_value_from_int_cst): Mark parameter with
11330 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11332 * i960-protos.h: New file.
11334 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11337 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11339 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11341 * combine.c (expand_field_assignment): Do not discard SUBREGs
11342 while computing nonzero_bits.
11344 2000-01-09 Nick Clifton <nickc@cygnus.com>
11346 * config/arm/arm.c: Fix compile time warnings about signed vs
11347 unsigned constants.
11348 * config/arm/arm.h: Fix compile time warnings about signed vs
11349 unsigned constants.
11351 2000-01-09 Philip Blundell <philb@gnu.org>
11353 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11354 than `ldm' with only one register.
11355 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11358 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11361 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11363 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11366 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11368 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11369 assignment used as truth value.
11371 * function.c (assign_temp): Mark parameter `dont_promote' with
11372 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11373 PROMOTE_FOR_CALL_ONLY.
11375 * genrecog.c (write_subroutine): Mark variable `operands' with
11378 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11381 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11382 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11384 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11387 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11389 * config/c4x.h: Tidy up comments.
11390 * config/c4x.c: Likewise.
11392 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11394 * fold-const.c (lshift_double, rshift_double): Handle
11395 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11397 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11399 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11400 in prepare_function_start().
11402 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11404 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11405 longer allocate extra stack for function calls.
11407 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11409 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11411 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11413 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11415 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11417 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11418 * aix43.h: Revert Aug 2 change.
11419 (HAS_INIT_SECTION): Define, not visible yet.
11420 (LD_INIT_SWITCH): Define, not visible yet.
11421 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11423 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11425 * collect2.c (main): Expand ld2 size further.
11426 (export_object_lst): Cast assignment to avoid warning.
11427 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11428 (scan_prog_file, COFF): Do not collect initialization or
11429 finalization functions generated for entire shared object if
11430 init/fini support present.
11432 2000-01-07 Nick Clifton <nickc@cygnus.com>
11434 * config/elfos.h: Tidy up formatting of marcos. Make sure
11435 that .section directives are always prefixed by a tab.
11437 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11440 2000-01-07 Matt Austern <austern@sgi.com>
11442 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11445 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11447 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11449 (crtbegin.o, s-crtS): Likewise.
11451 2000-01-06 Richard Henderson <rth@cygnus.com>
11453 * alpha.md (adddi_2+1): Limit offset such that it will be
11454 loadable with a single ldah+lda pair.
11455 (adddi_2+2): Explicitly fail split if we can't make it work.
11457 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11459 * protoize.c: Conditionally include unistd.h.
11460 (IS_SAME_PATH_CHAR): New macro.
11461 (IS_SAME_PATH): New macro.
11462 (CPLUS_FILE_SUFFIX): New macro.
11463 (cplus_suffix): New static variable.
11464 (is_abspath): New static function.
11465 (in_system_include_dir): Handle DOS style pathnames.
11466 (file_could_be_converted): Likewise.
11467 (file_normally_convertible): Likewise.
11468 (directory_specified_p): Likewise.
11469 (file_excluded_p): Likewise.
11470 (abspath): Likewise.
11471 (shortpath): Likewise.
11472 (referenced_file_is_newer): Likewise.
11473 (save_def_or_dec): Likewise.
11474 (do_processing): Likewise.
11476 (edit_file): Likewise. Use rename instead of link.
11477 (rename_c_file): Likewise. Don't rename syscalls file.
11478 (munge_compile_params): Define null device for DOS based systems.
11479 (process_aux_info_file): Use binary mode if appliable.
11480 (edit_file): Likewise.
11481 * invoke.texi (Running Protoize): Document C++ suffixes used.
11483 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11484 IS_DIR_SEPARATOR macros.
11485 * collect2.c: Likewise.
11486 * cppinit.c: Likewise.
11487 * dwarf2out.c: Likewise.
11489 * gcov.c: Likewise.
11490 * prefix.c: Likewise.
11492 * toplev.c: Likewise.
11493 * system.h: And move to here.
11495 * prefix.c (update_path): Fix typo in variable name.
11497 2000-01-06 Richard Henderson <rth@cygnus.com>
11499 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11500 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11501 (count_reg_sets_1, count_reg_references): Likewise.
11502 (flow_loops_level_compute): Start counting actual loop depth at 1.
11503 (flow_loops_find): Likewise.
11504 * local-alloc.c (update_equiv_regs): Likewise.
11505 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11507 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11509 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11510 FIRST_PSEUDO_REGISTER
11511 * dwarf2out.c: Don't include frame.h
11512 * dwarfout.c: Likewise
11513 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11516 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11518 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11521 * i386.c (movsf splitter): Fix typo in my last checkin.
11523 2000-01-05 Nick Clifton <nickc@cygnus.com>
11525 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11526 own definition of this macro.
11527 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11528 flag_data_sections or UNIQUE_SECTION_P are true.
11530 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11531 unitialised data decls.
11533 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11534 being called for uninitialised data.
11536 * config/i386/interix.c (i386_pe_unique_section): Cope with
11537 being called for uninitialised data.
11539 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11540 for uninitialised data.
11542 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11543 for uninitialised data.
11545 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11546 for uninitialised data.
11548 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11549 (UNIQUE_SECTION_P): Always generate a unique section if
11550 flag_data_sections is true.
11551 (UNIQUE_SECTION): Also generate unique sections for
11552 uninitialised data.
11553 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11554 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11557 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11559 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11562 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11564 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11565 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11566 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11567 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11568 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11570 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11572 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11574 * c-decl.c (finish_enum): Simplify code to determine minimum and
11575 maximum values of the enum, and calculate the type. Remove check
11576 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11577 the DECL_INITIAL of each enumeration constant with a copy converted
11578 to the enumeration type. When updating variant types, don't bother
11579 updating the type itself.
11581 * c-typeck.c (build_binary_op): Simplify conditional expressions
11582 when weeding out spurious signed-unsigned warnings. Add new
11583 spurious warning category: if the unsigned quantity is an enum
11584 and its maximum value fits in signed_type(result_type). Update
11586 (build_conditional_expr): Warn here if one alternative is signed
11587 and the other is unsigned.
11589 2000-01-05 Nick Clifton <nickc@cygnus.com>
11591 * config/fr30/fr30.h: Remove extraneous comments.
11593 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11595 * reload1.c (choose_reload_regs): When disabling a reload, also
11596 set reload_spill_index to -1.
11598 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11600 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11602 (m68*-*-rtemself*): New target.
11603 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11604 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11605 (sparc*-*-rtemself*): New target.
11606 (sparc*-*-rtems*): Now elf not a.out.
11607 * config/i386/rtems.h: Include config/rtems.h.
11608 * config/i386/rtemself.h: Include config/rtems.h.
11609 * config/i960/rtems.h: Include config/rtems.h.
11610 * config/m68k/rtems.h: Include config/rtems.h.
11611 * config/m68k/rtemself.h: Include config/rtems.h.
11612 * config/mips/rtems64.h: Include config/rtems.h.
11613 * config/pa/rtems.h: Include config/rtems.h.
11614 * config/rs6000/rtems.h: Include config/rtems.h.
11615 * config/sh/rtems.h: Include config/rtems.h.
11616 * config/sh/rtemself.h: Include config/rtems.h.
11617 * config/sparc/rtems.h: Include config/rtems.h.
11618 * config/sparc/rtemself.h: Include config/rtems.h
11620 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11622 * final.c (shorten_branches): Correctly compute length of
11623 asms without operands.
11625 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11627 * configure.in: Add pj target.
11628 * configure: Regenerate.
11629 * config/pj: New directory.
11630 * config/pj/lib1funcs.S: New file.
11631 * config/pj/linux.h: New file.
11632 * config/pj/pj.c: New file.
11633 * config/pj/pj.md: New file.
11634 * config/pj/pjl.h: New file.
11635 * config/pj/t-pj: New file.
11636 * config/pj/xm-pj.h: New file
11638 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11640 * toplev.c (rest_of_compilation): Run shorten-branches before
11643 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11645 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11646 macros so that they're consistent with their names.
11647 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11648 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11650 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11652 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11653 modified inadvertently.
11655 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11657 * configure.in (v850*-*-rtems*): New target.
11658 * configure: Regenerate.
11659 * config/v850/rtems.h: New file.
11661 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11663 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11664 (__gthread_key_create): Likewise.
11665 (__gthread_key_dtor): Likewise.
11666 (__gthread_once): Fix logic.
11667 (__gthread_key_delete): Cast away constness.
11669 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11670 * invoke.texi: Document.
11671 * i386/mingw32.h (CPP_SPEC): Use.
11672 (LIBGCC_SPEC): Likewise.
11673 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11675 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11677 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11678 (HANDLE_PRAGMA_PACK): Undefine.
11679 (SLOW_UNALIGNED_ACCESS): Define.
11681 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11683 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11684 to default definition.
11685 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11686 (store_fixed_bit_field): Call macro with word_mode and alignment.
11687 (extract_bit_field): Call macro with relevant mode and alignment.
11688 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11689 to default definition.
11690 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11692 (move_by_pieces_ninsns): Likewise.
11693 (clear_by_pieces): Likewise.
11694 (emit_push_insn): Likewise.
11695 (store_field): Call macro with relevant mode and alignment.
11696 (expand_expr): Likewise.
11697 (expand_expr_unaligned): Likewise.
11699 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11700 (SLOW_UNALIGNED_ACCESS): Define.
11701 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11702 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11703 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11704 (toc_section): Likewise and .toc pseudo-op.
11705 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11707 (TEXT_SECTION_ASM_OP): Likewise.
11708 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11711 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11712 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11713 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11714 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11715 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11717 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11719 * regclass.c: Revert my Jan 4 change to loop cost computation.
11721 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11723 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11726 2000-01-04 Stan Cox <scox@cygnus.com>
11728 * haifa-sched.c (build_control_flow): Change unreachable simple
11729 loop test to check if current block has only one predecessor.
11730 (find_rgns): Initialize degree. Use dest as degree index, not src.
11732 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11734 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11736 * calls.c (expand_call): Likewise for
11737 `old_stack_arg_under_construction'.
11739 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11741 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11744 * gcc.c (execute): Likewise for `ut' and `st'.
11746 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11748 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11750 * jump.c (jump_optimize_1): Likewise for `temp2'.
11752 * local-alloc.c (block_alloc): Likewise for `r1'.
11754 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11756 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11757 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11759 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11762 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11763 and `goal_earlyclobber'.
11765 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11767 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11769 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11771 * unroll.c (copy_loop_body): Likewise for `copy'.
11773 * varasm.c (output_constructor): Likewise for `byte'.
11775 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11777 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11778 all FP constants for constant->reg moves.
11779 (ix86_split_to_parts): Try to convert memory address into immediate
11780 when available in the constant pool.
11781 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11783 (LEGITIMATE_CONSTANT_P): Return 1.
11784 * i386.md (pushsf): New splitter to convert constant pool memory
11785 reference to immediate.
11786 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11789 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11791 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11792 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11793 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11794 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11795 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11797 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11799 * ginclude/stdbool.h: Support compilation as C++.
11801 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11803 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11805 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11807 * regclass.c (regclass): Properly compute loop_cost. Adjust
11810 * regclass.c: Fix minor whitespace problems.
11812 2000-01-03 Anthony Green <green@cygnus.com>
11814 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11815 Restore the pic register if required.
11817 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11819 * c-common.c (format_char_info): Update comment.
11820 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11821 was recognized. Emit warning for formats new in ISO C99 only
11822 if flag_isoc9x is not set.
11824 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11826 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11828 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11830 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11831 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11832 (make_compound_operation): Choose cheaper alternative between
11833 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11835 * regclass.c (op_costs): Remove global variable.
11836 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11837 (record_operand_costs): Break out from ...
11838 (scan_one_insn): ... here.
11839 (dump_regclass): Make dumps nicer.
11840 (regclass): Dump preferrences choosed and changes done during passes.
11842 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11844 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11846 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11848 * config/sparc/sparc.c (gen_df_reg): New function.
11849 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11850 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11851 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11852 movtf_cc_reg_sp64+1): Use it.
11854 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11856 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11857 copied LABEL_DECLs.
11859 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11861 * config/i386/i386.c (ix86_expand_unary_operator): Function
11862 definition made void.
11863 (ix86_expand_binary_operator): Update outdated preceding comment.
11864 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11867 * config/i386/i386.c (override_options): Fix option-name typo.
11869 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11871 * system.h (CEIL): Define.
11872 * builtins.c (CEIL): Remove.
11873 * expmed.c (CEIL): Likewise.
11874 * expr.c (CEIL): Likewise.
11875 * stor-layout.c (CEIL): Likewise.
11877 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11879 * expr.c (store_constructor_field): Fix typo introduced with last
11882 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11884 * tree.h (BINFO_N_BASETYPES): New macro.
11886 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11888 * expmed.c (emit_store_flag): Prevent losing a pending stack
11889 adjust the same way we prevent losing queued increments.
11891 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11893 * function.c (update_temp_slot_address): Handle case where sum of
11894 temporary address plus offset in register is a valid address.
11896 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11898 * genrecog.c (change_state) Corrected typo.
11900 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11902 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11903 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11904 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11906 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11908 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11909 case, expand GT comparisons correctly. Fix a comment before this
11912 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11914 * dwarfout.c: Include "frame.h"
11915 * dwarf2out.c: Likewise.
11916 * Makefile.in (dwarfout.o): Depend on frame.h
11917 (dwarf2out.o): Likewise.
11919 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11921 Restore i386 binary compatibility in Dwarf EH info.
11922 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11923 value of FIRST_PSEUDO_REGISTER.
11924 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11925 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11926 * dwarfout.c (output_reg_number): Ditto.
11927 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11928 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11930 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11932 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11933 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11934 (<hack>_RE_CT): not needed
11935 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11936 rewritten to scan the file text once only
11937 "template<..." test added
11938 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11939 (is_cxx_header): declaration added
11940 * fixinc/fixtests.c(is_cxx_header): removed
11941 (apply_fix_p_t): removed
11942 (double_slash_test): is_cxx_header is only called once now
11943 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11944 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11945 within the templates.
11946 The borken spelling of "broken" was fixed.
11947 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11948 The default level depends on FIXINC_DEBUG.
11950 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11952 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11953 Otherwise provide a declaration for atexit.
11954 (init_dummy): Make sure dummy call to atexit is nevertheless
11955 called with correct number of args.
11957 * frame.c: Update comments referring to other files.
11959 * libgcc2.c: Likewise.
11961 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11963 * cse.c (free_element, get_element): Remove unused prototypes.
11965 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11968 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11971 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11973 * configure.in,configure: case arm for mn10200-*-* now sets
11974 float_format=i32 so that float.h will correctly claim "double"
11975 to be 32 bits. Ran autoconf to generate configure from .in file.
11977 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11979 * pa.md (conditional zero): If op1 is a register, force it into
11980 the same register as op0.
11982 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11984 * tree.h (BINFO_BASETYPES): Improve documentation.
11986 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11988 * configure.in (--enable-checking): Use a more portable `for'
11991 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11993 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11994 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11996 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11999 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12000 Delete descriptions.
12002 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12003 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12004 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12005 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12006 xm-svr4.h: Remove all instances of sys_siglist handling.
12008 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12010 * config/sparc/sparc.md (cmp_zero_qi,
12011 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12012 cmp_zero_extendqidi2_andcc_set): New patterns.
12014 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12016 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12017 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12018 (fpgnulib.c, xfgnulib.c): Add rules.
12019 * m68k/t-mot3300-gas: Likewise.
12021 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12023 * configure.in: Avoid [[ by using test and changequote. Add
12024 changequote required by 1999-12-14 change.
12025 * configure: Rebuild.
12027 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12029 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12031 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12033 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12034 * flow.c (find_use_as_address): Likewise.
12035 * function.c (fixup_var_refs_1): Likewise.
12036 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12037 * jump.c (invert_exp, redirect_exp): Likewise.
12038 * loop.c (replace_call_address): Likewise.
12039 (count_nonfixed_reads): Likewise.
12040 * rtlanal.c (modified_between_p): Likewise.
12041 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12042 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12043 * unroll.c (remap_split_bivs): Likewise.
12045 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12047 * diagnostic.c (v_message_with_decl): Use .* format specifier
12048 instead of building the format specifier width manually.
12050 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12051 determining whether to provide a prototype. Remove the
12052 sys_siglist clause in the conditional.
12054 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12056 * fold-const.c (operand_equal_p): Use memcmp to compare string
12058 Suggested by D. J. Bernstein
12060 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12062 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12063 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12065 * config/mips/mips.h (TARGET_64BIT): Likewise.
12066 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12067 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12068 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12069 dsps. Give routines proper names if SI/DI modes are not used.
12070 * longlong.h: Use DWunion instead of DIunion.
12072 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12074 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12075 GC_CHECKING, GC_ALWAYS_COLLECT.
12076 * configure.in: Allow --enable-checking with an argument
12077 listing check modes to enable.
12078 * config.in, configure: Rebuilt.
12079 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12080 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12081 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12082 ENABLE_GC_ALWAYS_COLLECT.
12083 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12085 * tree.h, tree.c: Change ENABLE_CHECKING to
12086 ENABLE_TREE_CHECKING throughout.
12088 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12090 * fold-const.c (fold_truthop): Properly check for FP RHS.
12092 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12094 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12095 * toplev.c (note_deferral_of_defined_inline_function): New
12096 function, split out from ...
12097 (rest_of_compilation): ... here. Use it.
12099 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12101 * expr.c (store_constructor): Don't call clear_storage if size is
12104 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12106 * Makefile.in (toplev.o): Depend on loop.h.
12108 * dwarfout.c: Include tm_p.h.
12110 * emit-rtl.c (restore_emit_status): Mark parameter with
12113 * final.c (final_scan_insn): Likewise.
12115 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12116 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12117 flow_depth_first_order_compute, flow_loop_pre_header_find,
12118 flow_loop_tree_node_add, flow_loops_tree_build,
12119 flow_loop_level_compute, flow_loops_level_compute,
12120 flow_loop_outside_edge_p): Add prototypes.
12121 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12123 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12124 Mark with ATTRIBUTE_NORETURN.
12126 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12128 * local-alloc.c (no_conflict_p): Likewise.
12130 * loop.c (insert_bct): Hide definitions of variables with hidden
12132 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12134 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12135 with ATTRIBUTE_UNUSED.
12136 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12137 (reg_scan): Likewise.
12139 * reload.c (find_reloads): Remove unused variables `changed'.
12141 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12143 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12144 Remove unused variable `insn'.
12146 * toplev.c: Include loop.h.
12147 (report_file_and_line): Remove unnecessary prototype.
12149 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12151 * unroll.c (biv_total_increment): Likewise.
12153 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12155 * reload1.c (emit_input_reload_insns): Restore old behaviour
12156 wrt. 'special' reloads.
12158 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12160 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12161 hash.h. (cse.c): Don't depend on hashtab.h.
12163 * cse.c: Don't include hashtab.h.
12164 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12166 * ggc-simple.c: Don't include hash.h.
12168 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12170 * dwarf2out.c (add_abstract_origin_attribute): Call
12171 gen_abstract_function on our function context.
12173 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12175 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12177 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12179 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12182 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12184 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12185 constraints to "a!r".
12187 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12189 * Makefile.in (calls.o): Depend on function.h.
12190 (alias.o): Likewise.
12192 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12194 * reload1.c (emit_reload_insns): Break out code and variables into...
12195 (input_reload_insns, other_input_address_reload_insns,
12196 other_input_reload_insns, input_address_reload_insns,
12197 inpaddr_address_reload_insns, output_reload_insns,
12198 output_address_reload_insns, outaddr_address_reload_insns,
12199 operand_reload_insns, other_operand_reload_insns,
12200 other_output_reload_insns): ... new static variables, and...
12201 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12202 do_output_reload): ... new functions.
12204 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12206 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12208 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12210 * md.texi: Add c4x constraints documentation.
12212 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12214 * config/i386/dgux.c (struct option): Rename to
12215 lang_independent_option.
12216 (struct m_options): Add description field.
12217 (output_options): Rename option type, add sep declaration, output
12218 ix86_cpu_string and ix86_arch_string only if set.
12219 (output_file_start): Rename option type.
12221 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12223 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12225 (libgcc2.a): Similarly.
12227 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12229 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12230 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12231 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12233 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12235 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12236 Remove redundant initialization of "frexpon" and "expon".
12238 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12240 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12242 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12243 (store_constructor_field, expand_expr): Pass new arg.
12245 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12247 * Makefile.in (explow.o): Depend on function.h.
12249 * stor-layout.c (set_sizetype): Fix typo.
12251 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12253 * function.c (cfun): Renamed from current_function. All users
12255 * function.h (cfun): Rename declaration as well.
12257 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12258 to be of type regset_head, not regset. All users changed by adding
12260 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12262 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12264 * config/c4x/rtems.h: New file.
12266 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12268 * reload1.c (spill_failure): Take class of failed reload as argument
12269 and print it. Caller changed.
12271 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12273 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12274 (TARGET_SWITCHES): Allow subtargets to default switches.
12275 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12277 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12279 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12282 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12284 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12285 * cppinit.c (cpp_handle_option): Likewise.
12287 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12288 determine when to define.
12290 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12292 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12293 cmove with mismatched test and data modes.
12295 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12297 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12300 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12302 * alias.c: Minor reformatting.
12303 * flow.c: Likewise.
12304 * regs.h: Likewise.
12305 * stor-layout.c: Likewise.
12306 * fold-const.c: Likewise.
12307 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12308 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12310 (size_int_wide): Cache nodes even if garbage collecting.
12311 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12312 of SAVE_EXPR has no side effects.
12313 * cse.c: Move a comment.
12314 * tree.c: Minor reformatting.
12315 (int_size_in_bytes): Return -1 if constant overflows.
12317 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12319 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12321 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12323 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12324 after any change to c-parse.in, even if objc-parse.y didn't
12327 1999-12-18 David S. Miller <davem@redhat.com>
12329 * toplev.c (rest_of_compilation): Restore BLOCK tree
12330 reconstruction and branch shortening changes lost in
12331 December 18th change.
12333 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12335 * config/arm/linux-elf.h: Change all instances of
12336 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12337 * config/arm/uclinux-elf.h: Likewise.
12339 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12341 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12342 v_message_with_decl, file_and_line_for_asm,
12343 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12344 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12345 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12346 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12347 pfatal_with_name, fatal_io_error, need_error_newline,
12348 last_error_function, last_error_tick, announce_function,
12349 default_print_error_function, print_error_function,
12350 report_error_function, fnotice, error_with_file_and_line,
12351 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12352 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12353 warning_with_decl, warning_for_asm, warning, pedwarn,
12354 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12356 (compile_file): Use fnotice instead of notice. Adjust call.
12358 * diagnostic.c: New file.
12360 * Makefile.in (OBJS): Include diagnostic.o
12361 (diagnostic.o): Define dependence.
12363 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12365 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12368 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12370 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12372 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12374 * fixtests.c (is_cxx_header): New fn, split out of
12376 (else_endif_label): Allow "#endif // comment" in C++ headers,
12377 as determined by is_cxx_header.
12378 * fixfixes.c (else_endif_label_fix): Update comment.
12379 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12381 * genfixes: Correct double thinko in commandline parsing.
12382 * hackshell.tpl: Generate correct sh syntax for bypass
12385 * inclhack.def (all): Whenever an inserted preprocessor
12386 conditional is split over multiple lines, use double
12387 backslashes in this file so the fixed header will be readable.
12389 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12390 and add bypass entry for correct version of this header.
12391 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12392 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12394 (hpux8_bogus_inlines): New fix, split from...
12395 (ultrix_atof_param) ... here.
12396 (math_expression): Add bypass entry keyed to glibc comment
12397 indicating the problem has been dealt with; disable
12398 unnecessary sed operations; update commentary.
12399 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12400 add select and bypass entries, simplify shell operation.
12401 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12403 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12404 ultrix_atof_param): Add select entry.
12405 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12406 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12407 comments with the fixes they describe.
12409 * c-parse.in (string action): Do not warn about ANSI string
12410 concatenation in system headers. Affects C parser only.
12411 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12413 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12415 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12416 compiling libgcc2 the macro depends always on arch cpp defines.
12418 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12420 * loop.c (insert_loop_mem): Don't record MEMs from inside
12423 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12425 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12427 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12428 notes too, create one when replacement failed, attempt to simplify
12430 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12431 or REG_EQUIV notes.
12433 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12435 * crtstuff.c (__dso_handle): Declare.
12436 (__cxa_finalize): Likewise.
12437 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12440 * invoke.texi: Document -fuse-cxa-atexit.
12442 * tree.h (ptr_type_node): Document.
12443 (const_ptr_type_node): Likewise.
12445 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12447 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12448 (optimize_reg_copy_2): Likewise.
12449 (optimize_reg_copy_3): Likewise.
12450 (fixup_match_2): Likewise.
12451 (regmove_optimize): Likewise.
12452 (fixup_match_1): Liekwise.
12454 * i386.md (HI to SImode promoting splitters): Rewrite.
12455 (pushsf mem peep2): New.
12456 (testhi to andhi peep2): Remove.
12457 * i386.h (x86_promote_QImode): New.
12458 (TARGET_PROMOTE_QImode): New.
12459 (PREDICATE_CODES): Add promotable_binary_operator.
12460 * i386.c (x86_promote_QImode0: New.
12461 (promotable_binary_operator): New.
12462 * i386-protos.h (promotable_binary_operator): New.
12464 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12466 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12468 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12470 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12471 * function.c (insert_block_after_note): Remove.
12472 (retrofit_block): Likewise.
12473 (identify_blocks): Fix indentation.
12474 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12475 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12476 * function.h (insert_block_after_note): Remove prototype.
12477 (retrofit_block): Likewise.
12478 * integrate.c (expand_inline_function): Don't call
12479 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12480 just expand_start_bindings. Use the block_map to remap old
12481 NOTE_BLOCKs to new ones.
12482 (integrate_decl_tree): Keep track of remapped blocks.
12483 * integrate.h (struct inline_remap): Add block_map.
12484 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12485 NOTE_BLOCK on the notes.
12486 (expand_start_bindings): Rename to ...
12487 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12488 (expand_end_bindings): Set NOTE_BLOCK.
12489 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12490 reconstruct the BLOCK tree.
12491 * tree.h (expand_start_bindings): Macroize. Call ...
12492 (expand_start_bindings_and_block): New function.
12494 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12496 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12497 to match the format.
12499 1999-12-16 David S. Miller <davem@redhat.com>
12501 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12502 the outputs is a SUBREG.
12503 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12506 * config/sparc/sparc.c (epilogue_renumber): Add default case
12509 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12511 * toplev.c (rest_of_compilation): Run branch shortening after
12514 * regclass.c (loop_depth): Remove
12515 (scan_one_insn): Do not handle LOOP_NOTE insns.
12516 (regclass): Go through basic blocks and set loop_cost
12518 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12520 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12522 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12524 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12525 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12526 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12528 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12530 * loop.c (insert_loop_mem): Ignore memory clobbers.
12532 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12535 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12537 * profile.c: Remove redundant #include "output.h".
12539 * h8300.md (HImode preinc peephole): Fix typo.
12541 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12543 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12544 (insert_block_after_note): Abort if we don't have a previous block.
12545 Remove FN parameter.
12546 * function.h: Adjust.
12548 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12550 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12551 argument more than once.
12553 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12555 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12557 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12559 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12561 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12563 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12564 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12565 update stack_alignment_needed.
12566 (prepare_function_start): Initialize stack_alignment_needed
12567 * function.h (struct function): Add field stack_alignment_needed.
12569 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12571 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12572 Handle live_throughout / dead_or_set instead of live_before /
12574 (save_call_clobbered_regs): Get register livenessinformation from
12575 chain->live_throughout.
12576 (add_stored_regs): New function.
12577 (insert_restore, insert_save): Add restored / saved registers to
12579 * global.c (reg_dies): New parameter chain.
12580 (reg_becomes_live): Third parameter is regs_set now.
12581 Changed all callers.
12582 (reg_dies): New parameter chain. Changed all callers.
12583 (build_insn_chain): Set live_throughout instead of
12584 live_before / live_after.
12585 * reload.h (struct insn_chain): Replace members live_before /
12586 live_after with live_throughout / dead_or_set.
12587 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12588 instead of live_before / live_after.
12589 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12590 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12591 (choose_reload_regs_init): Likewise.
12592 * stupid.c (current_chain, find_clobbered_regs): Delete.
12593 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12594 instead of chain->live_before / chain->live_after.
12595 (mark_hard_ref): New function.
12596 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12598 1999-12-15 David S. Miller <davem@redhat.com>
12600 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12602 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12604 * flow.c (calculate_loop_depth): Make global, remove prototype,
12605 rewrite to use new loop infrastructure.
12606 (find_basic_block): Remove calculate_loop_depth call.
12607 * toplev.c (rest_of_compilation): Call find_basic_block.
12608 * output.h (calculate_loop_depth): Declare.
12610 * flow.c (dump_flow_info): Dump loop_depth.
12611 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12613 (flow_loops_find): Initialize the loop_depth for each basic block.
12615 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12617 * tree.c (decl_function_context): Handle virtual functions.
12619 * tlink.c (scan_linker_output): Don't look in demangled name when
12620 looking for linker output keywords.
12622 * dwarfout.c (output_type): We can defer namespace-scope classes.
12624 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12626 * regclass.c (record_reg_classes): Update comment for merging
12627 register class preferences in reg->reg copies. Tighten conditions
12628 for merging register class preferences in reg->reg copies.
12630 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12632 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12634 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12636 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12637 (INIT_SECTION_ASM_OP): Delete.
12638 (FINI_SECTION_ASM_OP): Delete.
12639 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12641 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12643 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12644 the abstract origin wasn't emitted.
12646 * dwarf2out.c (class_scope_p): New fn.
12647 (gen_subprogram_die): Use it.
12648 (gen_variable_die): Use it. Tweak logic.
12649 (gen_struct_or_union_type_die): Check context_die to determine
12650 if we're function-local.
12651 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12653 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12655 * loop.c (check_dbra_loop): Can't reverse a biv that has
12656 maybe_multiple set.
12658 1999-12-14 Nick Clifton <nickc@cygnus.com>
12660 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12663 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12665 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12666 for givs made from biv increments.
12668 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12670 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12671 * alpha.c (override_options): Recognize -mcpu=ev67.
12672 * alpha.h (CPP_CPU_EV67_SPEC): New.
12673 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12674 (EXTRA_SPECS): Update.
12676 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12678 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12679 appropriate for -lang-c89 and -std=*.
12680 * cppinit.c (cpp_handle_option): Likewise.
12681 (new_pending_define): New, split out from cpp_handle_option.
12682 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12683 or enable trigraphs for -ansi/-std=*.
12685 * ginclude/stdarg.h (__va_copy): New.
12686 (va_copy): Don't define for C89.
12688 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12690 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12691 for long long multiply-accumulate.
12693 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12695 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12696 optimizing for size.
12698 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12700 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12701 if something changed. Back out that part of yesterday's changes.
12703 * loop.c (loop_max_reg): New static variable.
12704 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12706 (scan_loop): Call reg_scan_update whenever we may have added new
12707 registers, and update loop_max_reg.
12709 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12711 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12712 when source does not die.
12714 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12716 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12718 * config/sparc/linux64.h (TARGET_LIVE_G0,
12719 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12721 * config/sparc/linux.h (TARGET_LIVE_G0,
12722 TARGET_BROKEN_SAVERESTORE): Likewise.
12723 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12724 TARGET_BROKEN_SAVERESTORE): Likewise.
12726 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12727 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12729 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12730 as sparc64 block profiling register.
12731 * config/sparc/sparc.c (sparc_override_options): Allow block
12732 profiling with -m32.
12733 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12734 profiling register.
12735 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12736 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12737 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12739 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12741 * config/sparc/sparc.h: Likewise.
12742 * config/sparc/xm-sysv4-64.h: Likewise.
12743 * config/float-sparc.h: Likewise.
12744 * glimits.h: Likewise.
12745 * longlong.h: Likewise.
12747 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12748 (ASM_IDENTIFY_GCC): Remove.
12750 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12752 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12753 (simplify_logical): Likewise.
12755 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12757 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12758 * cppfiles.c (INO_T_EQ): Likewise.
12760 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12762 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12763 * i386/mingw32.h (LIB_SPEC): Likewise.
12764 (STARTFILE_SPEC): Likewise.
12765 * i386/uwin.h (LIB_SPEC): Likewise.
12766 (STARTFILE_SPEC): Likewise.
12768 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12769 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12771 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12773 * combine.c (combine_simplify_rtx): Fix order of checks for
12774 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12776 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12778 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12779 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12781 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12783 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12785 * regclass.c (inv_reg_alloc_order): New array.
12786 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12788 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12789 counted_for_groups, counted_for_nongroups. Add fields rld and
12791 * reload.c (push_secondary_reload): Don't set nongroup field of
12793 (push_reload): Likewise.
12794 (find_reloads): Delete code to compute nongroup fields.
12795 * reload1.c (reload_insn_firstobj): New static variable.
12796 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12798 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12799 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12800 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12802 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12804 (struct hard_reg_n_uses): Deleted.
12805 (potential_reload_regs): Deleted.
12806 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12807 (reload): Don't try to allocate reload registers if we already know
12808 we have to make another pass. Call select_reload_regs. Free memory
12809 starting with reload_firstobj when starting another pass.
12810 Don't allocate spilled_pseudos.
12811 (calculate_needs_all_insns): Call copy_reloads for an insn that
12812 needs reloads; don't call calculate_needs.
12813 (spill_cost): New static array.
12814 (used_spill_regs_local): New static variable.
12815 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12816 to compute potential_reload_regs.
12817 (find_reload_regs): Completely rewritten to use find_reg.
12818 (allocate_reload_reg): Don't test counted_for_groups or
12819 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12820 all cllers changed.
12821 (choose_reload_regs): Add fallback code that uses the existing
12822 register allocation from find_reload_regs.
12824 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12826 * flow.c (create_edge_list): Cast xmalloc return value.
12828 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12830 * doprnt.c: Remove incorrect comment closure.
12832 * cse.c: Fix a few minor whitespace goofs.
12834 1999-12-13 Don Bowman <don@pixstream.com>
12836 * mips/vxworks.h: Fix problem with comment termination.
12837 (EXTRA_SECTIONS): Add in_sbss.
12838 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12840 1999-12-12 David S. Miller <davem@redhat.com>
12842 * cse.c (struct cse_reg_info): Add hash_next member,
12843 reorder rest of struct for better packing on 64-bit
12845 (cse_reg_info_tree): Kill.
12846 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12847 REGHASH_FN): New custom pow2 hash mechanism.
12849 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12850 use a pow2 hash table.
12851 (get_cse_reg_info): Rework to use new REGHASH.
12852 (new_basic_block): Likewise, use HASH_SIZE, and inline
12854 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12855 and inline free_element call.
12856 (lookup_as_function, insert, flush_hash_table, invalidate,
12857 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12858 invalidate_for_call, use_related_value, find_comparison_args,
12859 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12860 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12861 get_element): Kill.
12863 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12865 * cse.c (cse_basic_block): Free qty_table consistently.
12867 1999-12-12 David S. Miller <davem@redhat.com>
12868 Jakub Jelinek <jakub@redhat.com>
12870 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12871 SUBREGs by hand, gen the appropriate hard reg directly.
12872 (movtf reg/mem split): Likewise and alter_subreg on destination
12874 (movtf mem/reg split): Similarly.
12875 (movdf_cc_sp64): Rename from hidden pattern.
12876 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12877 (movtf_cc_sp64, following split): New pattern and splitter.
12878 (movdf_cc_reg_sp64): Rename from hidden pattern.
12879 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12881 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12883 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12885 * loop.c (load_mems): Don't hoist written floating point mem
12888 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12890 * except.h (struct eh_queue): Add `next' pointer.
12891 (struct eh_status): Make x_ehqueue a pointer.
12892 (push_ehqueue): Declare.
12893 (pop_ehqueue): Likewise.
12894 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12896 (expand_fixup_region_end): Likewise.
12897 (expand_leftover_cleanups): Likewise.
12898 (push_ehqueue): Define.
12899 (pop_ehqueue): Likewise.
12900 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12901 than doing it inline.
12902 (expand_start_all_catch): Adjust now that ehqueue is a
12904 (mark_eh_queue): Mark all level of the queue.
12905 (mark_eh_status): Adjust now that ehqueue is a
12907 (init_eh_for_function): Allocate ehqueue.
12908 (free_eh_status): Free it.
12909 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12910 expansion for a fixup.
12912 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12914 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12916 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12917 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12918 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12919 function_ptr, getpagesize, __enable_execute_stack,
12920 __enable_execute_stack, __clear_insn_cache,
12921 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12922 _cleanup, _exit, __default_terminate, __terminate_func,
12923 __terminate, __empty, __throw, new_eh_context,
12924 eh_context_initialize, eh_context_static, eh_context_specific,
12925 get_eh_context, __get_eh_context, __get_eh_info,
12926 init_reg_size_table, eh_threads_initialize,
12927 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12928 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12929 __pure_virtual): Add prototype arguments.
12930 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12931 Cast a signed value to unsigned long when comparing against one.
12932 (new_eh_context): Wrap in _GTHREADS macro.
12933 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12935 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12936 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12938 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * combine.c (record_promoted_value): Remove unused variable
12943 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12945 * global.c (record_conflicts): Likewise for `j'.
12947 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12950 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12952 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12953 output_fp_compare): Constify a char*.
12955 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12957 (override_options, ix86_comp_type_attributes, print_operand,
12958 output_387_binary_op, output_fix_trunc, output_fp_compare):
12960 (ix86_sched_reorder): Mark parameter `clock_var' with
12963 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12965 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12967 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12968 operand, for use in the Java front-end.
12970 1999-12-10 Ben Collins <bcollins@debian.org>
12972 * configure.in: Fix typo for "-64" in 64bit as check.
12973 * configure: Rebuilt.
12975 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12977 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12980 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12982 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12983 concatenation is utilized.
12985 * invoke.texi (-Wtraditional): Document it.
12987 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12989 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12990 Cast a ptrdiff_t to long and pass it to printf with %ld.
12992 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12994 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12995 68881, we have no 68881 registers at all.
12996 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12997 value in a 68881 register if it is available.
12999 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13001 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13002 for long long multiply-accumulate.
13004 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13006 * loop.c (insert_loop_mem): Undo last change.
13008 1999-12-10 David S. Miller <davem@redhat.com>
13010 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13012 * config/sparc/sparc-protos.h: Add them.
13013 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13014 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13015 constraints which use those helpers.
13016 (EXTRA_CONSTRAINT): Use this new macro.
13017 * md.texi: Update sparc target constraints documentation.
13018 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13019 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13020 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13021 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13022 (movsf high/lo_sum split): Rework for new patterns.
13023 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13025 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13027 * c-common.c (c_common_nodes_and_builtins):
13028 Create __builtin_ptrdiff_t and __builtin_size_t.
13030 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13032 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13034 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13036 * regclass.c (globalize_reg): Re-instate test that allows
13037 fixed registers to be declared as a variable even after functions
13040 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13042 * i386.md (cpu attribute): Add "athlon".
13043 (athlon_decode): New attribute.
13044 (Athlon scheduling units definitions): New.
13045 (fcmp and shld patterns): Set athlon_decode to "vector".
13046 * i386.c (athlon_cost): New.
13048 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13049 x86_use_sahf): Set for Athlon.
13050 (x86_use_fiop): Unset for Athlon.
13051 (override_options): Define Athlon alignments and "athlon" name.
13052 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13053 * i386.h (TARGET_ATHLON): New.
13054 (enum processor_type): Add PROCESSOR_ATHLON.
13055 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13057 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13059 1999-12-09 Andreas Jaeger <aj@suse.de>
13061 * loop.c (record_biv): Declare parameter as int.
13063 * config/i386/i386-protos.h: Declare long_memory_operand.
13065 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13067 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13068 EXPR_WITH_FILE_LOCATION.
13070 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13072 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13075 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13077 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13080 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13082 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13083 default on linux64 again.
13084 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13085 models for multilibing.
13086 * genmultilib: Accept | as alternative separator within a set in
13089 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13091 * calls.c (precompute_arguments): Make sure initial_value contains
13092 value pseudo which CSE expects.
13093 * cse.c (struct set): New entry orig_src.
13094 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13097 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13099 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13101 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13103 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13105 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13107 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13108 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13110 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13113 * longlong.h: Merge in changes from glibc.
13114 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13115 -mno-app-regs libgcc can be compiled.
13116 * libgcc2.c: Add defines so that the updated longlong.h
13117 can be used in libgcc2.a. Also, make sure on most architectures
13118 (at least on all which have optimized code in longlong.h defined
13119 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13121 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13123 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13124 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13125 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13127 * configure: Rebuilt.
13129 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13131 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13132 outputs require a register.
13134 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13136 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13137 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13138 functions like dptoul will be resolved.
13139 (libgcc2.a): Make sure that the object files from DPBIT are named
13140 differently (prefix `_dp') from those that would be coming from
13143 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13145 * configure.in: When target is sparc* and tm_file contains 64,
13146 test for 64bit support in assembler. If not supported, remove
13147 sparc/t-sol2-64 from target-dependent Makefile fragments.
13148 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13149 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13150 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13151 * acconfig.h (AS_SPARC64_FLAG): Added.
13152 * configure, config.in: Rebuilt.
13153 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13154 support. Use AS_SPARC64_FLAG.
13156 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13158 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13159 suitable for holding OFmode values so that gcc works with complex
13161 (hard_64bit_mode_classes): Likewise.
13163 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13164 so that it is actually matched.
13165 (sethi_di_medlow): Likewise.
13167 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13168 as legitimate constant if -mvis.
13169 * config/sparc/sparc.md (movtf): Likewise.
13170 (clear_sf): Use const_double_operand.
13171 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13173 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13174 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13175 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13176 routines, _Qp_* cannot be handled like that now.
13177 (INIT_TARGET_OPTABS): Likewise.
13178 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13179 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13180 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13181 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13182 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13183 divtf3, sqrttf3): New expanders.
13184 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13185 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13186 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13189 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13190 * configure: Rebuilt.
13191 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13192 -mcpu is given and we're doing 64bit compiles.
13194 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13196 * loop.h (struct induction): Add multi_insn_incr.
13197 * loop.c (basic_induction_var): New multi_insn_incr argument.
13198 Set it if we search back through previous insns for the biv.
13199 (record_biv): New multi_insn_incr argument; fill in struct induction.
13200 (strength_reduce): Discard an iv with multiple bivs, any of
13201 which require multiple insns to increment.
13203 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13205 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13208 1999-12-06 David S. Miller <davem@redhat.com>
13210 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13211 PROMOTE_FUNCTION_RETURN.
13213 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13215 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13216 and handle REG_UNUSED note on insn.
13218 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13219 inner_mask instead of mask.
13221 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13223 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13224 zero if there was an error.
13226 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13228 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13231 * longlong.h: Fix clobbers in SPARC asm statements.
13233 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13234 valid sethi operations when TARGET_ARCH64.
13236 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13237 always use move_by_pieces to avoid infinite recursion.
13238 (restore_fixed_argument_area): Likewise.
13240 * combine.c (check_promoted_subreg, record_promoted_value): New
13242 (combine_instructions): Use them to retain nonzero and sign bit
13243 information after SUBREGs are eliminated by optimizations in
13244 this pass if PROMOTE_FUNCTION_RETURN.
13246 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13247 .register declaration. Don't use variables with __ prefixes.
13249 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13251 * fold-const.c (optimize_bit_field_compare): Only use one mode
13252 for both RHS and LHS in non-constant case.
13254 1999-12-06 Nathan Sidwell <nathan@acm.org>
13256 * frame.c (start_fde_sort): Only allocate erratic array, if
13257 linear one was allocated. Return allocated flag.
13258 (fde_insert): Only insert, if there's a valid array.
13259 (fde_end_sort): Split, sort and merge if linear and erratic
13260 arrays exist, else just sort linear one.
13261 (search_fdes): New function. Linear search through original fde
13263 (frame_init): Permit multiple initializations. Cope with
13265 (find_fde): Fallback on linear search, if failed to sort array.
13266 (__deregister_frame_info): Only free sorted array, if we
13269 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13271 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13273 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13275 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13277 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13279 * tree.h (special_function_p): Declare.
13280 * calls.c (special_function_p): Make it global. Don't take `name'
13281 as a parameter. Fix typo in 1999-11-28 change.
13282 (expand_cal): Adjust.
13284 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13286 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13287 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13288 EXPR_WFL_FILENAME_NODE.
13289 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13291 * print-tree.c (print_note): Print TREE_PRIVATE and
13294 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13295 the original die cannot be found.
13297 * varray.h (varray_head_tag): Add elements_used.
13298 (VARRAY_PUSH): New macro.
13299 (VARRAY_POP): Likewise.
13300 (VARRAY_TOP): Likewise.
13301 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13303 * varray.c (varray_init): Initialize elements_used.
13304 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13305 (INTEGRATE_H): New variable.
13306 (integrate.o): Depend on INTEGRATE_H.
13307 (unroll.o): Likewise.
13309 * function.h (insert_block_after_note): Declare.
13310 * function.c (insert_block_after_note): Split out from ...
13311 (retrofit_block): ... here.
13313 * stmt.c (expand_fixup): Fix typo in comment.
13315 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13317 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13318 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13319 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13320 (regmove_optimize, fixup_match_1): Likewise.
13322 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13324 * flow.c (flow_loops_dump): Add missing argument when calling
13325 flow_loop_nested_p.
13327 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13328 Greg McGary <gkm@gnu.org>
13330 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13331 (init_attributes): Add A_NO_LIMIT_STACK.
13332 (decl_attributes): Handle A_NO_LIMIT_STACK.
13333 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13334 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13335 Handle stack bounds checking.
13336 * flags.h (flag_stack_check): Use the word 'probe' rather than
13337 'check', because the flag doesn't actually cause any checking to
13339 * function.c (expand_function_start): Set
13340 current_function_limit_stack.
13341 * function.h (struct function): Add limit_stack.
13342 (current_function_limit_stack): Define.
13343 * invoke.texi (Code Gen Options): Document new options.
13344 * rtl.h: Declare stack_limit_rtx.
13345 * toplev.c (stack_limit_rtx): New variable.
13346 (decode_f_option): Handle new options -fstack-limit-register=REG,
13347 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13348 (main): Add stack_limit_rtx as GC root.
13349 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13350 (struct tree_decl): New member no_limit_stack.
13352 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13354 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13355 (conditional_trap+1): Get new mnemonic correct.
13356 (conditional_trap+2): New pattern for DImode traps.
13358 * config/m68k/m68k.c (output_function_prologue): Handle
13360 * config/m68k/m68k.md (trap): New insn.
13361 (conditional_trap): New insn.
13362 * md.texi (Standard Names): Document `trap' and
13363 `conditional_trap'.
13364 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13365 so a cc0 setter doesn't get emitted at some random place in the
13368 * config/i960/i960.md (trap): New insn.
13369 (conditional_trap): New expander.
13370 (conditional_trap+1, conditional_trap+2): New insns for signed
13371 and unsigned cases.
13372 * config/i960/i960.c (i960_function_prologue): Use
13373 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13375 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13376 Geoffrey Keating <geoffk@cygnus.com>
13378 * flags.h (warn_padded, warn_packed): Add global var decls.
13379 * toplev.c (warn_padded, warn_packed): Add global var defns.
13380 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13381 * stor-layout.c (layout_record): Add local variable `type'
13382 to hold often-used TREE_TYPE (field). Add local variable
13383 `unpacked_align' to hold alignment that would be in force
13384 if no `packed' attribute were present. Warn if `packed' attribute
13385 is unnecessary, or even harmful. Warn when gcc inserts padding
13386 to satisfy alignment requirements of members. Use NULL_TREE
13387 when checking whether var_size is set.
13388 * invoke.texi: Document new flags.
13390 1999-12-03 Nathan Sidwell <nathan@acm.org>
13392 * frame.c (fde_split): Reimplement to avoid variable sized array.
13394 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13396 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13397 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13399 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13401 * invoke.texi: Document the mips option -mno-crt0
13403 1999-12-02 Mike Karr <mkarr@mathworks.com>
13405 * cccp.c (argdata): Added free_ptr member.
13406 (macroexpand): Initialize free_ptr of each argument. When an
13407 argument's buffers are freed, if the argument's free_ptr corresponds
13408 to a buffer on the input stack, then return the free_ptr to that stack
13409 frame, otherwise, free it.
13410 (macarg): If an argument begins and ends on the same input stack level,
13411 then transfer the free_ptr of that buffer to the argument in case
13412 the stack is popped during the processing of a subsequent argument.
13414 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13416 * loop.c (note_reg_stored): New function.
13417 (struct note_reg_stored_arg): New structure.
13418 (try_copy_prop): Change to be more conservative; only replace within
13419 one extended basic block and stop replacing if a store to the
13420 replacement reg is seen.
13422 1999-12-02 Nick Clifton <nickc@cygnus.com>
13424 * config/fp-bit.c: Initialise all fields of the NAN
13427 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13430 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13432 * i386.md (extend?f?f2): Force the input into a register, not
13435 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13437 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13439 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13440 alternative because setting up 64bit constant is usually costly,
13441 especially when reload is in progress or completed.
13442 (movdf_const_intreg_sp64): Likewise.
13443 (movdf_const_intreg split): Fix building up constants when
13444 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13446 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13448 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13449 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13452 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13453 (asm_file_start): Emit .am33 into assembly file when compiling for
13455 (print_operand_address): Handle POST_INC addresses.
13456 (can_use_return_insn, initial_offset): Check AM33 registers too.
13457 (expand_prologue): Check & save AM33 registers too.
13458 (expand_epilogue): Similarly.
13459 (secondary_reload_class): Handle AM33 specific secondary reloads.
13460 (output_tst): Emit efficient code for the AM33 too.
13461 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13462 (TARGET_SWITCHES): Add -mam33 switch.
13463 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13464 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13465 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13466 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13467 (enum reg_class, REG_CLASS_NAMES): Likewise.
13468 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13469 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13470 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13471 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13472 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13473 (HAVE_POST_INCREMENT): Define.
13474 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13475 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13476 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13477 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13478 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13479 (zero_extend to SI from QI/HI): Likewise.
13480 (sign_extend to SI from QI/HI): Likewise.
13481 (mulsidi3, umulsidi3): New patterns for the AM33.
13482 (tstsi with zero extension from QI/HI): Add AM33 variants.
13483 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13484 (return_internal_regs, store_movm): Handle new AM33 registers.
13485 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13486 (LIBGCC, INSTALL_LIBGCC): Likewise.
13487 * invoke.texi: Document new flags.
13489 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13491 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13492 (addsi3_carry): Likewise.
13493 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13494 (sbbsi3_carry): Likewise.
13495 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13496 (mulhi3): Likewise.
13497 (test?i_1): Ensure that only one operand is memory.
13498 (conditional move patterns): likewise.
13499 (shift and rotate patterns): Rewrite to expander, add
13500 "binary_operator_ok" to the condition.
13502 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13503 * i386.h (procesor_costs): Add movzbl_load field.
13504 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13505 non-Q registers, accept DImode registers anywhere.
13507 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13508 * i386.c (*_cost): Set value for movxbl_load field.
13510 * (addsi): New add to lea splitter.
13511 (ashlsi): Likewise.
13512 (lea to add/shift peep2): New.
13514 1999-12-01 Mark Salter <msalter@cygnus.com>
13516 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13517 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13518 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13520 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13522 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13523 * i386.md (movsi_xor): New.
13525 (movsi_1, movhi_1, movqi_1): Remove.
13526 (movsi_2): Rename to movsi_1.
13527 (movhi_2): Rename to movhi_1.
13528 (movqi_2): Rename to movqi_1.
13529 (movdi_1): Remove; remove splitter.
13530 (movdi_2): Rename to movdi_1.
13531 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13532 (long move peep2): Do not create QI or HI mode mov0s
13533 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13535 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13538 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13539 (abs?f2_if): Likewise.
13541 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13543 * ggc.h (ggc_test_and_set_mark): New macro.
13544 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13545 (ggc_mark_tree): Likewise.
13546 (ggc_mark_rtvec): Likewise.
13547 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13549 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13551 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13553 (decl_scope_table): Just an array of trees now.
13554 (push_decl_scope): Simplify.
13555 (dwarf2out_init): Adjust.
13556 (local_scope_p): New fn.
13557 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13558 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13559 (gen_typedef_die): Likewise.
13560 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13561 (gen_inlined_subroutine_die): Likewise.
13562 (gen_abstract_function): Set current_function_decl temporarily.
13563 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13564 Handle block extern declarations. Don't call push/pop_decl_scope.
13565 (gen_decl_die): Fix logic for block externs.
13567 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13569 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13570 to the list of functions which have attribute malloc by default.
13572 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13574 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13575 integer constant does not match the traditional type, limit the
13576 warnings to cases where the base of the type is ten.
13578 * invoke.texi (-Wtraditional): Document it.
13580 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13582 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13583 * rs6000.md: Only access a CONST_INT with INTVAL
13585 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13587 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13588 (compute_nearerout): Likewise.
13589 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13590 size_t to unsigned long for formatting.
13592 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13594 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13595 Allow the user to override call-used/fixed state of %g2-5
13596 registers from the command line (with the exception of %g4 for
13598 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13599 there is a higher chance of having a leaf function.
13600 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13601 for ARCH64 which has %ccr register.
13602 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13604 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13605 insn accept into delay slot any insn which does not use %[ol]
13606 registers. Accept some LO_SUM and shift left by 1 for the normal
13608 (output_function_epilogue): Likewise.
13609 (epilogue_renumber): Added argument which inhibits any renumbering
13610 and just tests if the rtx does not use any %[ol] registers.
13611 (output_return): Reflect above change.
13613 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13615 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13616 aggregate passing for sizes <= 16 bytes.
13618 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13620 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13621 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13622 * reload.c (find_dummy_reload): Likewise.
13623 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13624 * reload1.c (reload_as_needed): Likewise.
13625 * stupid.c (stupid_find_reg): Likewise.
13626 * tm.texi (Obsolete Register Macros): Delete section.
13627 * gmicro.h: Remove all traces of the two macros.
13628 * i386.h: Likewise.
13629 * m88k.h: Likewise.
13630 * mips.h: Likewise.
13632 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13634 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13635 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13636 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13637 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13638 units for the sparclite86x chip.
13639 (flush): Revert October 14th change; add SImode specifically.
13640 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13641 * invoke.texi: Document it.
13643 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13645 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13646 psimode_truncation_operand.
13648 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13649 function. Return true if the operand is either a MEM valid
13650 for a PSImode address or not a MEM at all.
13652 * config/mn10200/mn10200.md (truncsipsi2): Use
13653 psimode_truncation_operand.
13655 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13657 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13658 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13659 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13660 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13661 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13662 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13663 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13664 * basic-block.h: Protect from multiple inclusion.
13665 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13666 (struct loops, struct loop): Define structures.
13667 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13668 * sbitmap.h: Protect from multiple inclusion.
13669 (sbitmap_a_subset_b_p): Add prototype.
13670 * Makefile.in (LOOP_H): New macro.
13671 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13673 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13675 * cppinit.c (CAT): The argument list of this macro may not contain
13678 1999-11-29 David S. Miller <davem@redhat.com>
13680 Move quantity tables and register equivalence chains into
13681 per-qty and per-register structure arrays respectively.
13682 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13683 qty_const_insn, qty_comparison_code, qty_comparison_const,
13684 qty_comparison_qty): Delete, replace with...
13685 (qty_table): this structure table.
13686 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13687 (reg_eqv_table): this structure table.
13688 (make_new_qty): Add argument MODE. Caller updated.
13689 Update to use qty_table and reg_eqv_table.
13690 (make_regs_eqv, delete_reg_equiv, insert_regs,
13691 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13692 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13693 cse_process_notes, cse_main, cse_basic_block): Likewise.
13695 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13697 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13698 operation if C is negative.
13699 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13700 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13701 law for some divisions if constant is negative and change other
13702 divisions to the opposite rounding.
13704 * expr.c (store_constructor_field): If bit position is not multiple
13705 of alignment of TARGET's mode, use BLKmode.
13707 * expr.c (expand_expr_unaligned): Add more code from full case
13708 that is needed when OP0 is in a register.
13710 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13712 * dwarfout.c (field_byte_offset): Size can be zero if there was
13715 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13717 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13718 (associate_trees): Delete unused var TEM.
13719 (extract_muldiv): Delete unused var CANCEL_P.
13721 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13722 (target_isinf, target_isnan, target_negative): Add return types to
13723 function definitions.
13725 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13727 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13728 * fixinc/hackshell.tpl: ditto
13729 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13730 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13732 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13734 * reload.c (push_reload): When looking for a register to put into
13735 reg_rtx, make sure all hard regs in a multi-reg register are in the
13736 right class and nonfixed.
13738 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13739 pending_read_insns, pending_write_insns, pending_read_mems,
13740 pending_write_mems, pending_list_length, last_pending_memory_flush,
13741 last_function_call, sched_before_next_call): Move static variables
13743 (bb_ prefixed versions): Replace with single array bb_deps.
13744 (struct deps): New structure.
13745 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13746 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13747 argument of type "struct deps *"; use that instead of global
13748 variables. All callers changed.
13749 (init_rgn_data_dependencies): Delete function.
13750 (init_rtx_vector): Delete function.
13751 (init_deps): New function.
13753 (free_pending_lists): Simplify, we always use the bb_deps array even
13754 if only one basic block.
13755 (compute_block_backward_dependences): Likewise.
13756 (schedule_region): Likewise.
13758 (propagate_deps): New function, broken out of
13759 compute_block_backward_dependences.
13760 (compute_block_backward_dependences): Use it.
13762 * alpha.md: Delete useless patterns that tried to work around
13763 register elimination problems.
13765 * unroll.c (loop_iterations): Don't abort if iteration variable
13768 From Joern Rennecke:
13769 * reload1.c (reloads_conflict): Reverse test comparing operand
13770 numbers when testing for conflict between output/outaddr reloads.
13772 1999-11-29 David S. Miller <davem@redhat.com>
13774 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13776 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13778 1999-11-28 Robert Lipe <robertl@cygnus.com>
13780 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13781 table from .fini into .dtor.
13783 1999-11-28 Anthony Green <green@cygnus.com>
13785 * tree.h (struct tree_decl): Add malloc_flag.
13786 (DECL_IS_MALLOC): Define.
13787 * c-common.c (attrs): Add A_MALLOC attribute.
13788 (init_attributes): Add this attribute to the table.
13789 (decl_attributes): Handle malloc attribute.
13790 * calls.c (special_function_p): Check for the malloc attribute.
13791 * extend.texi (Function Attributes): Document malloc attribute.
13793 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13795 * pa.md (reload shift-add patterns): Remove.
13797 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13799 * reorg.c (dbr_schedule) Print more statistics. Corrected
13800 problem when printing info when 3 delay slots are filled.
13802 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13804 * combine.c (setup_incoming_promotions): Pass an outgoing
13805 regno to FUNCTION_ARG_REGNO_P which it expects.
13807 1999-11-28 Andreas Jaeger <aj@suse.de>
13809 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13811 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13813 * cccp.c (do_include): Avoid initialization of automatic variable.
13815 * integrate.c (mark_stores): Function definition made void, to match
13816 previous declaration.
13817 * regclass.c (dump_regclass): Ditto.
13818 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13820 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13822 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13823 known to be multiple of divisor.
13825 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13827 * combine.c (try_combine): Add code to try to merge a set of a
13828 two-word pseudo to a constant with a setting of one of those words
13831 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13832 (split_tree): Completely rework to make more general.
13833 (make_range, fold): Call negate_expr.
13834 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13835 (fold, associate): Call new split_tree and associate_trees.
13836 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13838 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13840 * loop.c (try_copy_prop): Avoid GNU C extension.
13842 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13844 * except.c (init_eh_for_function): Still zero eh_return_context,
13845 eh_return_stack_adjust, and eh_return_handler.
13847 * except.h (eh_status): Adjust documentation for x_protect_list.
13848 (begin_protect_partials): New function.
13849 * except.c (enqueue_eh_entry): Fix formatting.
13850 (get_first_handler): Add consistency check.
13851 (add_partial_entry): Adjust usage of protect_list.
13852 (emit_cleanup_handler): Save and restore ehqueue.
13853 (expand_start_all_catch): Add comment.
13854 (begin_protect_partials): New function.
13855 (end_protect_partials): Adjust usage of protect_list.
13856 (init_eh_for_function): Use xcalloc.
13858 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13860 * c-common.c (check_format_info): Don't call a variadic function
13861 with a non-literal format string.
13863 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13865 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13866 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13869 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13872 * collect2.c (collect_wait): Likewise.
13874 * dbxout.c (dbxout_type): Likewise.
13876 * gcc.c (do_spec_1): Likewise.
13878 * genemit.c (gen_insn, gen_expand): Likewise.
13880 * genrecog.c (write_switch, write_subroutine): Likewise.
13882 * mips-tfile.c (catch_signal, botch): Likewise.
13884 * print-rtl.c (print_rtx): Likewise.
13886 * toplev.c (default_print_error_function, report_error_function,
13887 _fatal_insn): Likewise.
13889 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13891 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13893 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13895 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13896 operations when needed.
13897 * i386.md (fop_?f_comm): New.
13898 (fop_?f_1): Do not accept commutative operands.
13900 1999-11-25 Andreas Jaeger <aj@suse.de>
13902 * config/mips/mips.md (casesi_internal): Add missing brace.
13904 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13906 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13907 (splice_child_die): Handle moving a child DIE from the declaration
13908 DIE of a class to its specification.
13909 (gen_struct_or_union_type_die): Use 'complete' consistently.
13910 (gen_decl_die): Generate the virtual context DIE first.
13911 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13913 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13915 * config/mips/mips.md (call_value_multiple_interanal1): New.
13917 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13919 * dwarf2out.c (free_AT, free_die): New fns.
13920 (remove_children): Call them.
13921 (output_line_info): Disable removal of duplicate notes.
13923 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13924 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13925 means pretend the type isn't defined.
13926 Don't defer emitting types.
13927 (gen_type_die_for_member): New fn.
13928 (gen_decl_die): Call it.
13929 (splice_child_die): New fn.
13930 (gen_member_die): Call it rather than generate duplicate dies.
13932 Defer emitting information for the abstract instance of an inline
13933 until we either inline it or emit an out-of-line copy.
13934 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13935 from output_inline_function if DECL_ABSTRACT is also set.
13936 (block_ultimate_origin): Likewise.
13937 (gen_abstract_function): New fn.
13938 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13939 (gen_subprogram_die): An abstract instance is not a declaration
13940 just because it doesn't match current_function_decl. Don't abort
13941 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13942 has an abstract origin.
13943 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13944 abstract instance here.
13946 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13948 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13949 where we need to reload fpul from a system register.
13951 1999-11-24 Andreas Jaeger <aj@suse.de>
13953 * config/mips/linux.h (CPP_PREDEFINES): Added.
13954 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13956 1999-11-24 Andreas Jaeger <aj@suse.de>
13958 * config/mips/linux.h (TARGET_VERSION): Added.
13959 (HANDLE_SYSV_PRAGMA): Added.
13960 (DEFAULT_VTABLE_THUNKS): Added.
13962 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13964 * local-alloc.c (qty): New structure and static variable.
13965 (qty_phys_reg): Remove, all references changed to qty.
13966 (qty_n_refs): Likewise.
13967 (qty_min_class): Likewise.
13968 (qty_birth): Likewise.
13969 (qty_death): Likewise.
13970 (qty_size): Likewise.
13971 (qty_mode): Likewise.
13972 (qty_n_calls_crossed): Likewise.
13973 (qty_alternate_class): Likewise.
13974 (qty_changes_size): Likewise.
13975 (qty_first_reg): Likewise.
13976 (alloc_qty): Rename variable QTY to QTYNO.
13977 (finf_free_reg): Likewise.
13978 (local_alloc): Allocate qty, do not allocate the removed variables.
13980 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13982 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13983 when -membedded-pic is passed.
13985 * config/mips/mips.md (casesi): Handle 64-bit case too.
13986 (casesi_internal_di): New insn.
13988 * config/mips/mips.c (embedded_pic_offset): Always make the
13989 embedded-pic subtractions relative to the name of the current
13990 function by use of the magic string "..CURRENT_FUNCTION".
13991 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13993 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13995 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13996 of (const_int 0), when what we really care about is
13997 whether it's a zero constant anyway.
13998 (div_trap_mips16): Likewise.
14000 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14002 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14003 unroll_block_trees when generating debuggable code.
14005 * tree.h (unsave_expr_1): New function.
14006 (lang_unsave): New variable.
14007 (get_callee_fndecl): New function.
14008 * tree.c (unsave_expr_now_r): New function.
14009 (lang_unsave): Define.
14010 (unsave_expr_1): Likewise.
14011 (unsave_expr_now_r): Split out from unsave_expr_now.
14012 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14013 call unsave_expr_now_r.
14014 (get_callee_fndecl): Define.
14016 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14017 (gencheck.o): Do depend on lang_tree_files.
14019 * integrate.h (copy_decl_for_inlining): New declaration.
14020 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14021 (copy_decl_for_inlining): New function.
14022 (integrate_parm_decls): Use it.
14023 (integrate_decl_tree): Likewise.
14025 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14027 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14028 the second two from the first.
14029 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14030 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14031 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14033 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14034 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14037 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14039 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14040 needed on the address operand.
14041 * pa.c (call_operand_address): Check for the correct mode.
14043 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14045 * loop.c: Include "basic-block.h".
14046 (try_copy_prop, replace_loop_reg): New functions.
14047 (load_mems): Detect registers that just hold copies of the hoisted
14048 mem, and call try_copy_prop to eliminate them.
14049 * Makefile.in (loop.o): Update dependencies.
14051 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14053 * Makefile.in (gencheck.o): Depend on gencheck.h.
14054 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14055 (insn-peep.o): Depend on except.h and function.h.
14056 (insn-attrtab.o): Depend on RECOG_H.
14057 (insn-output.o): Depend on toplev.h and flags.h.
14058 (gengenrtl.o): Depend on real.h.
14059 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14060 Unify all dependencies to be on RECOG_H rather than recog.h.
14062 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14064 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14065 * configure.in: Try building a bi-arch 32/64-bit compiler on
14066 sparc-*-solaris2.7 and higher.
14067 * configure: Rebuild.
14069 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14071 * config/freebsd.h: New, FreeBSD architecture independent file.
14072 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14073 independent pieces.
14074 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14075 directly by i386/freebsd.h.
14076 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14077 independent configuration file.
14078 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14079 directly by i386/freebsd.h.
14080 * configure: Rebuilt.
14082 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14083 which is in the user's namespace.
14084 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14085 `i386' which is not in our namespace.
14087 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14089 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14091 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14093 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14094 (add_dwarf_attr, add_child_die): Just push onto the front.
14095 (reverse_die_lists): New fn.
14096 (add_sibling_attributes): Use it.
14097 (push_decl_scope): Reorganize.
14098 (add_name_and_src_coords_attributes): Don't set file and line for
14099 an artificial decl.
14100 (gen_subprogram_die): An artificial function doesn't need to match
14102 (gen_compile_unit_die): Return the generated die. Only add
14103 AT_comp_dir if the filename is relative.
14104 (remove_AT): Simplify loop. Also free string values.
14105 (output_die): A DIE ref can't be null.
14106 (output_value_format, value_format): Take a dw_attr_ref.
14107 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14108 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14109 AT_addr, AT_lbl): New fns.
14110 (various): Use them.
14111 (various): Constify.
14113 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14115 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14116 take SUBREG_WORD into account.
14117 (if_then_else_cond): Likewise.
14119 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14121 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14122 clause from BSD license, pursuant with
14124 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14126 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14128 * loop.c (load_mems): Reformat slightly.
14129 * basic-block.h (regset_head): New typedef.
14130 (INIT_REG_SET): New macro.
14132 1999-11-22 Bruce Korb <autogen@linuxbox.com
14134 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14135 (mips-dec-bsd*): non-functional code
14136 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14138 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14139 added three replacement fixes
14140 (no_double_slash): removed comments that are not (any longer) pertinent
14141 (bad_lval): this fix currently runs against many files.
14142 The comment seems to indicate that we should select for files
14143 containing 'pragma extern_prefix'.
14145 * fixinc/fixinc.x86-linux-gnu: deleted
14146 * fixinc/inclhack.sh: regen
14147 * fixinc/fixincl.x: regen
14148 * fixinc/fixincl.sh: regen
14150 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14152 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14153 its code is INSN and it has no notes.
14155 1999-11-22 Andrew Haley <aph@cygnus.com>
14157 * varasm.c (function_defined): Remove.
14158 (make_function_rtl): Don't set function_defined.
14159 (make_decl_rtl): Remove global register warning.
14160 * regclass.c (no_global_reg_vars): New variable.
14161 (globalize_reg): Warn if function has already been defined.
14162 (regclass_init): Set no_global_reg_vars.
14164 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14166 * regclass.c (reg_pref): New structure and static variable
14167 (prefclass): Delete.
14168 (altclass): Delete.
14169 (all uses of prefclass and altclass): Use reg_pref instead.
14171 1999-11-21 Nick Clifton <nickc@cygnus.com>
14173 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14175 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14176 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14177 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14179 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14181 * varasm.c (output_constructor): Solve problem with long long
14182 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14184 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14186 * global.c (allocno): New structure and static variable.
14187 (allocno_reg): Remove, all references replaced by allocno.
14188 (allocno_size): Likewise.
14189 (hard_reg_conflicts): Likewise.
14190 (hard_reg_preferences): Likewise.
14191 (hard_reg_copy_preferences): Likewise.
14192 (hard_reg_full_preferences): Likewise.
14193 (regs_someone_prefers): Likewise.
14194 (allocno_calls_crossed): Likewise.
14195 (allocno_n_refs): Likewise.
14196 (allocno_live_length): Likewise.
14197 (find_reg): Rename ALLOCNO to NUM.
14199 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14200 references updated.
14201 (may_move_out_cost): New variable.
14202 (init_reg_sets_1): Initialize may_move_out_cost.
14203 (record_reg_classes): Use may_move_out_cost.
14205 * regclass.c (dump_regclass): New function.
14206 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14207 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14208 pass rtl_dump_file to regclass.
14209 * rtl.h (regclass): Update prototype.
14211 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14213 * i386.md (neg, not and abs patterns): Revmap to use
14214 ix86_expand_unary_operator and ix86_unary_operator_ok.
14215 (add?f and sub?f expanders): Force operand 1 to register.
14216 * i386.c (ix86_expand_unary_operator): Rewrite.
14217 (ix86_unary_operator_ok): Ensure that memory operands
14219 (ix86_binary_operator_ok): Do not allow operand 1 to
14220 come into memory and operand 0 not.
14221 (ix86_expand_binary_operator): Ensure that
14222 src1 is not non-matching memory.
14224 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14225 to support integer registers and memory.
14226 (abss?2_integer): Likewise.
14228 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14229 (REG_CLASS_NAMES): Likewise.
14230 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14232 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14233 (movsf): Likewise; unify 4th and 5th alternative.
14234 (pushdf): Likewise.
14235 (movdf_1): Likewise; rename to movdf_integer.
14236 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14237 remove redundant splitter.
14238 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14239 (movdf_nointeger): New.
14240 (movxf_nointeger): New.
14241 (pushxf_nointeger): New.
14243 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14244 memory operands in patterns.
14245 (fop*): Refuse two memory operands.
14247 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14248 on !TARGET_USE_CLTD CPUs.
14250 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14252 * extend.texi: Document C++ restricted pointers and references.
14254 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14256 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14257 (invalidate_skipped_set): Call it unconditionally.
14258 (cse_set_around_loop): Likewise.
14260 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14262 * rtl.texi (mem): Add documentation for alias-set argument
14265 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14267 * i386.h (struct_processor_costs): New fields int_load, int_store,
14268 fp_move, fp_load and fp_store
14269 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14271 (MEMORY_MOVE_COST): New macro.
14272 * i386.c (386_cost): Define new fields.
14273 (i486_cost): Likewise.
14274 (pentium_cost): Likewise.
14275 (pentiumpro_cost): Likewise.
14276 (k6_cost): Likewise.
14278 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14279 Geoffrey Keating <geoffk@cygnus.com>
14281 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14283 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14286 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14287 (TARGET_STRICT_ALIGNMENT): New macro.
14288 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14289 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14290 * invoke.texi (M680x0 Options): Document -mstrict-align.
14292 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14293 Richard Henderson <rth@cygnus.com>
14295 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14296 (ix86_split_long_move): Declare.
14297 * i386.c (split_xf, ix86_split_movdi): Remove.
14298 (ix86_split_to_parts, ix86_split_long_move): New.
14299 * i386.md (dimode move splitters): Use ix86_split_long_move.
14300 (dfmode move splitters): Likewise.
14301 (xfmode move splitters): Likewise.
14302 (movsf_1): Allow F->r.
14303 (movdf_1, movxf_1): Allow F->ro.
14305 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14307 * except.h (struct eh_entry): Add goto_entry_p.
14308 (eh_region_from_symbol): Remove prototype.
14309 * except.c (find_func_region_from_symbol): New function.
14310 (emit_cleanup_handler): Likewise.
14311 (eh_region_from_symbol): Make it static.
14312 (add_new_handler): Verify the argument.
14313 (find_func_region): Update comment.
14314 (expand_eh_region_end): Expand handlers here, rater than waiting
14315 until expand_leftover_cleanups or start_all_catch.
14316 (expand_leftover_cleanups): Don't expand here.
14317 (expand_start_all_catch): Or here.
14318 (expand_rethrow): Check the return value from find_func_region.
14319 * function.c (expand_function_end): Emit the catch_clauses.
14321 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14323 * integrate.c (expand_inline_function): Add necessary check for NULL.
14325 1999-11-18 Nick Clifton <nickc@cygnus.com>
14327 * toplev.c (main): Correctly detect an unrecognised option.
14329 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14330 a -f option if it has not been recognised.
14332 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14334 * basic-block.h (update_life_extent): Remove trailing comma on
14335 enumeration type list.
14337 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14339 * varasm.c (output_constructor) Solved problem with long long
14340 bitfields. Corrected calculating this_time and shift. Also
14341 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14343 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14345 * flow.c (split_edge): Take looping structure into account when
14346 determining where to put the new block note.
14348 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14350 * Makefile.in (ggc-none.o): Provide host specific version if
14353 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14355 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14356 containing subregs too.
14358 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14360 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14361 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14362 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14363 (text_section): Add switches -munint-const-in-rodata and
14364 -mno-uninit-const-in-rodata.
14365 (ASM_OUTPUT_COMMON): Remove.
14366 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14367 const objects should be placed in read-only data. Otherwise declare
14370 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14372 * jump.c (jump_optimize_1): Revert last change.
14374 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14376 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14377 test if optimizing for size.
14379 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14381 * Makefile.in (toplev.o): Depend on except.h.
14382 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14384 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14386 * i386.md (divmodsi4): Rewrite to expander.
14387 (*divmodsi4_nocltd): New.
14388 (*divmodsi4_cltd): New.
14389 (divmodsi4 splitter): Handle the case when input comes in edx.
14390 (udivmodhi4): Do not use constraints in exander.
14391 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14393 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14395 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14396 for the common case.
14398 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14400 * explow.c (hard_function_value): Add outgoing argument.
14401 * expr.h (hard_function_value): Declare it.
14402 * calls.c (expand_call, emit_library_call_value): Update callers.
14403 * function.c (aggregate_value_p): Ditto.
14404 (diddle_return_value): Must look at the outgoing registers
14405 on archs with register windows.
14407 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14409 * alpha.c (alpha_build_va_list): Use make_lang_type and
14410 initialize TYPE_NAME for the va_list record.
14412 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14414 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14416 * ggc.h (struct ggc_statistics): Rearrange elements for better
14417 packing on 64-bit hosts.
14418 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14419 (compute_nearerout): Likewise.
14421 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14423 * config/rs6000/rs6000.c (first_reg_to_save): Save
14424 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14426 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14428 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14429 notion of nesting to find the DIE for a type or function.
14430 DIEs can go in limbo even if we got a context_die.
14431 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14432 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14434 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14435 (gen_type_die): Writing out the context doesn't cause member class
14436 template instantiations to be written out as well.
14438 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14440 * rs6000.h (ASM_OUTPUT_DEF): New.
14441 Based on proposed addition from David Edelsohn.
14443 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14444 Bruce Korb <autogen@linuxbox.com>
14446 * fixinc/inclhack.def
14447 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14448 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14450 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14451 (svr4_endian): enabled with SVR5
14452 (svr4_mkdev): simplified syntax and enabled with SVR5
14454 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14456 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14457 * configure: Rebuilt.
14458 * config/t-freebsd-thread: New file.
14460 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14462 * i386.c (ix86_decompose_address): Verify the base is a REG
14463 before trying to examine its register number.
14465 * basic-block.h: Remove all #defines and prototypes related to
14467 (free_bb_mem, compute_preds_succs): Remove prototype.
14468 * rtl.h (free_bb_mem): Remove prototype.
14469 * flow.c (alloc_int_list_node); Remove function.
14470 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14471 (compute_preds_succs, free_bb_mem): Likewise.
14472 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14473 * toplev.c (rest_of_compilation): Likewise.
14474 * haifa-sched.c (build_control_flow): Use flow generated edge
14475 list to build the haifa specific edge list.
14476 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14477 (schedule_insns): Do not build pred/succ lists anymore. Instead
14478 build the edge table.
14480 * basic-block.h (dump_bb_data): Remove declaration.
14481 * flow.c (dump_bb_data): Remove function.
14482 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14483 (sbitmap_union_of_predsucc): Likewise.
14485 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14486 argument. All callers changed.
14487 (delete_null_pointer_checks_1): No longer need to compute the
14490 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14491 All callers changed.
14492 (pre_expr_reaches_here_p_work): Likewise.
14493 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14494 * lcm.c (compute_laterin): Fix initialization of LATER.
14495 (compute_nearerout): Similarly for NEARER.
14497 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14499 * cse.c (set_nonvarying_address_components): Delete unused function.
14500 (refers_to_p): Likewise.
14502 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14504 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14507 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14509 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14510 definition in do while (0).
14512 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14514 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14516 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14518 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14520 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14522 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14523 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14524 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14525 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14527 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14528 saved on the stack. Output more accurate stack frame statistics
14529 into assembler file.
14531 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14533 * genextract.c (record_insn_name): New function.
14534 (get_insn_name): No longer a stub.
14535 (main): Call record_insn_name for each insn. After each label
14536 written, print the insn name in a comment.
14538 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14540 * output.h (const_section, init_section, fini_section): Add
14543 * alpha/elf.h (const_section): Delete declaration.
14545 * svr4.h (const_section): Likewise.
14547 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14549 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14550 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14551 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14553 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14554 variable-sized array bounds.
14556 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14558 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14561 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14563 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14564 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14566 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14568 * cse.c (hash_arg_in_struct): Delete.
14569 (struct table_elt): Delete elt in_struct.
14570 (struct set): Delete elt src_in_struct.
14571 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14572 the corresponding in_struct elts.
14573 (canon_hash): Likewise.
14574 (safe_hash): Likewise.
14575 (find_best_addr): Likewise.
14576 (record_jump_cond): Likewise.
14577 (cse_insn): Likewise.
14579 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14581 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14583 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14586 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14588 * function.c (diddle_return_value): Put back check that the DECL_RTL
14589 for the function is a register.
14591 * function.c (diddle_return_value): Use hard_function_value to
14592 get an rtx suitable for use in the USE/CLOBBER insn.
14594 * global.c (global_conflicts): Update comments.
14595 (record_conflicts): No need to record conflicts between pseudos here.
14597 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14599 * fixinc/fixincl.c: Added verbose levels for status messages
14601 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14603 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14604 operand as argument to expand_and or expand_binop.
14606 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14608 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14609 gcc_add_string_root.
14611 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14613 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14615 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14617 * flow.c (compute_flow_dominators): Initially put all blocks on
14619 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14620 * gcse.c (compute_cprop_avinout): Remove.
14621 (compute_cprop_data): Use compute_available.
14622 (delete_null_pointer_checks_1): Use compute_available.
14624 * basic-block.h (compute_available): Returns a void now.
14625 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14626 to return a value anymore.
14627 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14628 worklists. Fix boundary cases. Compute maximal solutions.
14629 (compute_laterin, compute_nearerout): Similarly.
14631 * dwarf2out.c (add_AT_location_description): Allow
14632 (mem (plus (pseudo) (...)) too.
14634 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14636 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14638 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14639 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14641 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14643 * gansidecl.h: Likewise.
14649 * toplev.h: Likewise.
14651 * tree.c: Likewise.
14653 * tree.h: Likewise.
14655 * varray.c: Likewise.
14657 * varray.h: Likewise.
14659 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14661 * gcov.c (struct arcdata): Add hits and total, remove prob.
14662 (output_branch_counts): New.
14663 (process_args): Set output_branch_counts if -c.
14664 (calculate_branch_probs): Store hits and total instead of
14666 (output_data): Emit counts if output_branch_counts is true.
14667 * gcov.texi (Invoking Gcov): Document -c switch..
14669 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14671 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14672 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14674 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14676 * invoke.texi (C Dialect Options): Add missing builtins from
14677 c-common.c to list.
14678 * extend.texi (Other Builtins): Copy to this list.
14680 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14682 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14683 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14684 redundant bitmap.h.
14686 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14688 * flow.c (compute_flow_dominators): No longer treat basic block 0
14689 or (n_basic_blocks - 1) specially. Clear the AUX field before
14690 starting computation of doms/pdoms. Fix initial state for pdoms.
14692 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14694 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14695 match rtl.o's: added ggc.h and toplev.h
14696 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14697 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14698 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14700 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14702 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14703 from HAVE_DOS_BASED_FILESYSTEM.
14704 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14705 HAVE_DOS_BASED_FILESYSTEM.
14707 (split_directories): Only special-case DOS file names if
14708 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14709 instead of explicit tests. Conditionalize on !VMS.
14710 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14711 tests. Conditionalize on !VMS.
14712 (process_command): Only use make_relative_prefix if !VMS.
14713 (free_split_directories): Conditionalize on !VMS.
14714 (DIR_UP): Conditionalize on !VMS.
14716 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14718 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14720 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14722 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14725 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14727 * invoke.texi (Environment Variables): Document relative path
14729 * gcc.c (DIR_UP): If not defined, define as "..".
14730 (standard_bindir_prefix): New static, holds target location to
14732 (split_directories): New function to split a filename into
14733 component directories.
14734 (free_split_directories): New function, release memory allocated
14735 by split_directories.
14736 (make_relative_prefix): New function, make a relative pathname if
14737 the compiler is not in the expected location.
14738 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14739 can figure out an appropriate prefix from argv[0].
14740 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14741 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14742 STANDARD_BINDIR_PREFIX.
14744 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14746 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14748 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14749 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14750 c4x_secondary_memory_needed) Delete.
14751 (fp_zero_operand): Add mode argument.
14753 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14755 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14756 that is in reload_reg_used.
14758 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14760 * config/arm/arm-protos.h: New file: Prototypes for functions
14761 defined in arm.c and pe.c.
14762 * config/arm/arm.h: Fix compile time warnings.
14763 * config/arm/arm.c: Fix compile time warnings.
14764 * config/arm/pe.h: Fix compile time warnings.
14765 * config/arm/aout.h: Fix compile time warnings.
14767 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14769 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14772 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14773 Add support for subtargets.
14774 Add prototypes for new predicates.
14775 Add scheduling macros.
14777 * config/m32r/m32r.c: Fix compile time warnings.
14778 (int8_operand): New predicate function.
14779 (reg_or_cmp_int16_operand): New predicate function.
14780 (extend_operand): New predicate function.
14781 (m32r_adjust_code): New scheduling function.
14782 (m32r_adjust_priorty): New scheduling function.
14783 (m32r_sched_init): New scheduling function.
14784 (m32r_sched_reorder): New scheduling function.
14785 (m32r_sched_variable_issue): New scheduling function.
14786 (direct_return): New codegen function.
14787 (m32r_not_same_reg): New rtl testsing function.
14789 * config/m32r/m32r.md: Fix compile time warnings.
14790 Add support for pre decrement and post increment memory
14792 Add S<cc> patterns.
14795 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14797 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14798 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14799 (find_reg): Likewise.
14801 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14803 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14804 to avoid assembler errors.
14806 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14808 * config/v850/v850-protos.h: New file: Prototypes for functions
14810 * config/v850/v850.h: Move prototypes to v850-protos.h
14811 * config/v850/v850.c: Move prototypes to v850-protos.h
14812 * config/v850/v850.md: Fix compile time warnings.
14814 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14816 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14817 * config/fr30/fr30.c: Fix compile time warnings.
14818 * config/fr30/fr30.md: Fix compile time warnings.
14820 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14822 * tree.h (get_containing_scope): Declare it.
14823 * tree.c (get_containing_scope): New fucntion.
14824 (decl_function_context): Use it.
14825 * toplev.c (rest_of_compilation): Use get_containing_scope.
14827 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14829 * Makefile.in (rtl.o): Depend on toplev.h.
14831 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14833 * cse.c (delete_trivially_dead_insns): Replace alloca with
14835 * except.c (update_rethrow_references): Likewise.
14836 (init_eh_nesting_info): Likewise.
14837 * function.c (identify_blocks): Likewise.
14838 * gcse.c (dump_hash_table): Likewise.
14839 * graph.c (print_rtl_graph_with_bb): Likewise.
14840 * loop.c (combine_movables): Likewise.
14841 (move_movables): Likewise.
14842 (count_loop_regs_set): Likewise.
14843 (strength_reduce): Likewise.
14844 * profile.c (compute_branch_probabilities): New function, split
14846 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14847 * regclass.c (regclass): Likewise.
14848 * regmove.c (regmove_optimize): Likewise.
14849 * toplev.c (compile_file): Likewise.
14850 (main): Don't mess with the stack rlimit.
14852 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14854 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14855 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14857 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14859 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14861 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14863 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14864 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14867 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14869 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14871 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14873 * gcse.c (post_dominators): Kill.
14874 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14875 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14876 pass in a pdom array since we do not need pdoms.
14877 * haifa-sched.c (schedule_insns): Similarly.
14878 * flow.c (compute_dominators): Remove dead function.
14879 (compute_flow_dominators): Do not compute doms or pdoms if the
14880 caller does not request them. Split up loop to build doms and
14881 pdoms. Use a worklist to compute doms and pdoms.
14882 * basic-block.h (compute_dominators): Remove prototype.
14884 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14886 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14887 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14888 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14889 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14890 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14891 (schedule_region): Remove unused variable.
14892 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14894 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14896 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14897 (update_equiv_regs): Likewise.
14898 (block_alloc): Likewise.
14899 * reg-stack.c (reg_to_stack): Likewise.
14900 (convert_regs_2): Likewise.
14901 * reload1.c (reload_as_needed): Likewise.
14903 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14905 * Makefile.in (dbxout.o): Depend on ggc.h.
14906 (dwarf2out.o): Likewise.
14907 (xcoffout.o): Likewise.
14908 * dbxout.c: Include ggc.h.
14909 (dbxout_init): Register lastfile as a root.
14910 * dwarf2out.c: Include ggc.h.
14911 (dwarf2out_line): Register lastfile as a root.
14912 * xcoffout.c: Include ggc.h.
14913 (xcoffout_source_line): Register xcoff_lastfile as a root.
14915 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14917 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14919 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14921 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14923 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14925 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14927 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14928 (EXECUTE_IF_CONFLICT): Likewise.
14929 (ALLOCNO_LIVE_P): Avoid signed division.
14930 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14931 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14932 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14934 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14936 * haifa-sched.c (schedule_block): Don't crash if there's no
14937 next insn for an interblock movement.
14938 (add_branch_dependences): Don't allow clobber insns to move either.
14940 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14942 * i386.c (split_xf): New.
14943 * i386-protos.h: Declare it.
14944 * i386.md (movxf_1): Add general regs alternatives.
14945 (movxf_1+1): New splitter for same.
14947 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14949 * function.c (purge_addressof_1): Add missing return values.
14951 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14953 * function.c (is_addressof): New function. Returns true if
14954 the given piece of RTL is an ADDRESSOF.
14955 (purge_addressof_1): Make boolean. Return false if the
14956 ADDRESSOFs could not be purged.
14957 (purge_addressof): If ADDRESSOFs could not be purged from the
14958 notes attached to an insn, remove the offending note(s),
14959 unless they are attached to a libcall.
14961 1999-11-05 Andreas Jaeger <aj@suse.de>
14963 * genoutput.c (null_operand =): Initialize all fields.
14965 * errors.h: Add extern to prototypes.
14967 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14969 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14970 * configure: Rebuilt.
14972 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14974 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14975 (mirror_conflicts): New function.
14976 (global_alloc): Call it.
14977 (expand_preferences): Remove redundant CONFLICTP test.
14978 (find_reg, dump_conflicts): Likewise.
14979 (prune_preferences): Process conflicts one word at a time.
14981 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14983 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14984 instead of an explicit loop.
14986 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14988 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14989 if REG_RETVAL check succeeds, then put classp in src_elt.
14991 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14993 * function.c (pad_to_arg_alignment): Only update argument_pad
14994 if the argument's alignment is greater than STACK_BOUNDARY.
14996 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14998 * bitmap.h (BITMAP_XFREE): New.
14999 * flow.c (life_analysis): Use it.
15000 (life_analysis_1): Free blocks.
15002 * combine.c (undo_commit): New.
15003 (try_combine): Use it. Don't zap undobuf.undos.
15004 (combine_instructions): Don't zap undobuf.undos; free the
15005 undobuf.frees list.
15007 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15009 * stmt.c (cost_table_): New.
15010 (estimate_case_costs): Use it instead of xmalloc.
15012 * toplev.c (compile_file): Reuse dumpname memory instead
15015 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15017 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15018 after verifying an EH edge.
15020 * haifa-sched.c (init_rgn_data_dependences): Correctly
15021 size bb_pending_lists_length when zeroing.
15023 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15025 * function.c (diddle_return_value): New.
15026 (expand_function_end): Use it.
15027 * stmt.c (expand_null_return): Likewise.
15028 (expand_value_return): Likewise.
15030 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15032 * reload1.c (reload): Don't remove return value clobbers.
15034 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15036 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15038 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15040 * cse.c (cse_main): Use xmalloc, not alloca.
15041 (cse_basic_block): Likewise.
15042 * local-alloc.c (local_alloc): Likewise.
15044 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15045 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15047 * rtl.c: Include toplev.h.
15048 (fatal): Remove declaration.
15050 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15052 * haifa-sched.c (schedule_block): Fix thinko.
15054 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15056 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15057 S_IR* defined values
15059 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15061 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15062 call `malloc' instead.
15064 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15066 * flags.h (flag_renumber_insns): Declare.
15067 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15069 * rtl.h (renumber_insns): Change prototype.
15070 * toplev.c (flag_renumber_insns): Define.
15071 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15073 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15075 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15076 and fpsqrtd. Use them and create fdiv function unit to more
15077 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15078 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15080 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15082 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15084 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15085 insn into ready list, do not use just a raw swap.
15087 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15089 * rtl.h (renumber_insns): New function.
15090 (remove_unnecessary_notes): Likewise.
15091 * emit-rtl.c (renumber_insns): Define.
15092 (remove_unncessary_notes): Likewise.
15093 * toplev.c (rest_of_compilation): Remove dead code.
15094 Use renumber_insns and remove_unncessary_notes.
15096 * gcse.c (struct null_pointer_info): New type.
15097 (get_bitmap_width): New function.
15098 (current_block): Remove.
15099 (nonnull_local): Likewise.
15100 (nonnull_killed): Likewise.
15101 (invalidate_nonnull_info): Take a null_pointer_info as input.
15102 (delete_null_pointer_checks_1): New function.
15103 (delete_null_pointer_checks): Use it.
15105 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15106 (split_edges): Likewise.
15107 (schedule_block): Likewise.
15108 (compute_block_backward_dependencies): Likewise.
15109 (schedule_region): Likewise.
15110 (schedule_insns): Likewise.
15112 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15114 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15115 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15116 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15117 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15118 * jump.c (delete_unreferenced_labels): Don't delete if
15119 LABEL_ALTERNATE_NAME is set.
15120 * print-rtl.c (print_rtx): Dump alternate name.
15121 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15122 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15123 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15124 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15126 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15128 * fix-header.c (recognized_extern, recognized_function): Constify
15131 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15132 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15133 (compute_available): Remove unused variable `last'.
15134 (compute_nearerout): Remove unused variable `temp_bitmap'.
15135 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15136 Remove unused variable `x'.
15138 * scan.h (recognized_function, recognized_extern): Constify a
15141 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15143 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15145 * varasm.c (decode_rtx_const): Use XSTR to access the string
15148 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15150 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15152 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15154 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15156 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15158 * pa.c (ireg_operand): New function.
15159 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15160 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15161 Fix out of date comment.
15163 * pa.md (negdi2): Turn into expander + anonymous pattern.
15165 * reload.c (find_reloads): Fix typos in recent change.
15167 * dwarf2out.c: Do not include ctype.h.
15169 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15171 * regclass.c (record_reg_classes): Always use may_move_cost when
15172 seeing how operand fits with various register classes.
15174 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15176 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15177 * toplev.c: Revert Nov 1 13:22 change.
15179 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15181 * config/pa/pa.md (height reduction patterns): Add checks for
15182 overlapping operands to avoid semantic-destroying splits for
15183 height reduction patterns.
15185 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15187 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15188 have been an hyphen, fixed.
15189 * configure: Rebuilt.
15191 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15193 * config/arm/tpe.h: Add prototypes for exported functions.
15194 * config/arm/pe.c: Fix compile time warnings.
15195 * config/arm/semi.h: Fix compile time warnings.
15196 * config/arm/arm.c: Fix compile time warnings.
15197 * config/arm/arm.h: Fix compile time warnings.
15198 * config/arm/arm.md: Fix compile time warnings.
15199 * config/arm/thumb.c: Fix compile time warnings.
15200 * config/arm/thumb.h: Fix compile time warnings.
15201 * config/arm/thumb.md: Fix compile time warnings.
15203 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15205 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15208 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15209 completely unrolled.
15211 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15213 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15215 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15217 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15218 * rtl.h (rtx_equal_p): Move prototype.
15219 * rtl.c (rtx_equal_function_value_matters): Move from
15221 (rtx_equal_p): Likewise.
15222 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15223 (rtx_equal_p): Likewise.
15225 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15227 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15228 ! HAS_INIT_SECTION.
15230 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15232 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15234 * pa.h (ADDR_VEC_ALIGN): Define.
15236 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15237 notes when presented with "if (foo) break; end_of_loop" and
15238 the break sequence gets moved out of the loop.
15240 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15241 Remove explicit zero initializations of entries within MAP.
15243 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15245 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15247 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15249 * bitmap.h (BITMAP_XMALLOC): New macro.
15250 * flow.c (CLEAN_ALLOCA): Remove.
15251 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15252 (life_analysis): Likewise.
15253 (update_life_info): Don't use CLEAN_ALLOCA.
15254 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15255 (calculate_global_regs_live): Likewise.
15256 (print_rtl_with_bb): Likewise.
15257 (verify_flow_info): Likewise.
15258 * global.c (global_alloc): Likewise.
15259 (global_conflicts): Likewise.
15260 * integrate.c (save_for_inline_nocopy): Likewise.
15261 (expand_inline_function): Likewise.
15262 * jump.c (jump_optimize_1): Likewise.
15263 (duplicate_loop_exit_test): Likewise.
15264 (thread_jumps): Likewise.
15265 * loop.c (loop_optimize): Likewise.
15266 (combine_givs): Likewise.
15267 (recombine_givs): Likewise.
15268 * reorg.c (dbr_schedule): Likewise.
15269 * unroll.c (unroll_loop): Likewise.
15271 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15273 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15275 * toplev.c (rest_of_compilation): Don't optimize the CFG
15276 when rebuilding, just before dbr.
15278 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15280 * output.h (assemble_end_function, assemble_destructor,
15281 assemble_constructor, assemble_gc_entry, assemble_global,
15282 assemble_label, output_constant_pool) Constify a char*.
15284 * varasm.c (assemble_destructor, assemble_constructor,
15285 assemble_gc_entry, assemble_end_function, assemble_global,
15286 assemble_label, output_constant_pool): Likewise.
15288 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15290 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15291 explaining what is goin on in this function.
15293 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15295 * regclass.c (record_reg_classes): In matching case, recompute
15296 costs since the direction of movement is different.
15298 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15300 * resource.c (mark_target_live_regs): For unconditional branches,
15301 the resources found at the branch target should be added to the
15302 resources found so far, not intersected.
15304 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15306 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15308 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15309 (sys/mman.h): Include this file only if #HAVE_MMAP.
15310 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15311 with automatically concatenated ANSI strings.
15313 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15315 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15316 (DIV_ROUND_UP): Robustify.
15317 (ggc_recalculate_in_use_p): New function.
15318 (release_pages): Don't inline it.
15319 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15321 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15322 (clear_marks): Always save in_use_p.
15323 (sweep_pages): Use ggc_recalculate_in_use_p.
15324 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15325 Release pages before counting statistics.
15327 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15329 * toplev.c (rest_of_compilation): Fix thinko in this change:
15331 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15333 (rest_of_compilation): If inside an inlined external function,
15334 pretend we are just being declared.
15336 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15338 * flow.c (calculate_global_regs_live): Fix thinko.
15340 * integrate.c (expand_inline_function): Fix bugs in previous
15341 change from Oct 28, 1999.
15343 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15345 * stmt.c (expand_value_return): Fix typo in this change:
15347 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15348 (expand_value_return): Correctly convert VAL when promoting function
15349 return; support RETURN_REG being a PARALLEL.
15351 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15353 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15355 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15357 * hard-reg-set.h (reg_names): Constify a char*.
15359 * regclass.c (reg_names): Likewise.
15361 * regs.h (reg_names): Likewise
15363 * a29k/a29k.c (reg_names): Delete declaration.
15365 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15367 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15368 arc_output_function_epilogue): Likewise.
15370 * elxsi/elxsi.c (reg_names): Likewise.
15372 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15374 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15377 * m88k/m88k.c (output_function_profiler): Likewise.
15379 * sparc/sparc.c (sparc_flat_output_function_prologue,
15380 sparc_flat_output_function_epilogue): Likewise.
15382 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15384 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15385 warning from -Wuninitialized and put it under -W.
15386 * function.c (uninitialized_vars_warning): Warn only when the
15387 corresponding flag is set.
15389 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15391 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15392 is nonzero and the single set does not have an elt, then assign
15395 * simplify-rtx.c: New file.
15396 * Makefile.in (OBJS): Add simplify-rtx.o
15397 (simplify-rtx.o): Add dependencies.
15398 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15399 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15400 (cse_gen_binary, simplify_unary_operation): Delete.
15401 (simplify_binary_operation, simplify_plus_minus): Likewise.
15402 (check_fold_consts, simplify_relation_operation): Likewise.
15403 (simplify_ternary_operation): Likewise.
15404 (delete_trivially_dead_insns): Simplify the contents of the
15405 REG_EQUAL note before trying to substitute it into the source
15406 of the reg-reg copy at the end of a libcall sequence.
15408 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15409 references/callers changed.
15411 * mn10200.c (mn10200_va_arg): Force the return value into a
15414 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15416 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15419 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15421 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15423 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15425 * fold-const.c (fold): Fix thinko when optimizing comparisons
15428 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15430 * gcc.texi (Passes): Update front-end files to their current
15433 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15435 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15436 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15437 (PREDICATE_CODES): Add addition_operation.
15438 * alpha-protos.h (addition_operation): Declare.
15439 (secondary_reload_class): Likewise.
15440 * alpha.c (addition_operation): New.
15441 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15442 * alpha.md (adddi3): Turn into expander.
15443 (*lda, *adddi_2): New.
15444 (movsf, movdf patterns): Don't preference integer regs.
15445 (movsi, movdi patterns): Don't preference fp regs.
15447 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15449 * genrecog.c (write_switch): Check for duplicate CODE cases.
15451 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15453 * ggc-common.c: Update pre-function commentary.
15454 * ggc-page.c: Likewise.
15456 (poison_pages): Use memset directly.
15457 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15458 (ggc_collect): Poison before sweeping.
15459 * ggc-simple.c: Update pre-function commentary.
15460 (ggc_alloc_obj): Poison non-zeroed memory.
15462 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15464 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15465 match format string, even on 64-bit hosts.
15466 * gcc-page.c (ggc_page_print_statistics): Likewise.
15468 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15470 * config/i386/i386.c (ix86_cpu): Revert last patch.
15471 * config/i386/i386.h (ix86_cpu): Ditto.
15473 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15475 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15476 TYPE_SIZE, convert type of result to sizetype.
15478 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15480 * flow.c (count_or_remove_death_notes): Equate NULL with the
15483 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15484 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15487 * i386.c (pic_label_no): Delete.
15488 (ix86_attr_length_default): Don't use single_set to peek
15491 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15492 the first insn after bb->end.
15493 * i386.md (push mem peeps): Scratch is live after evaluation
15495 (cmp mem peep): Similarly.
15497 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15499 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15500 * function.c (pad_to_arg_alignment): Add missing braces.
15502 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15504 * alpha/alpha-protos.h (literal_section): Add prototype.
15505 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15508 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15510 (alpha_start_function, alpha_end_function, float_strings,
15511 alpha_need_linkage): Constify a char*
15513 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15515 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15517 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15519 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15521 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15523 * flow.c (debug_flow_info): Add prototype.
15525 * gcc.c (main): Likewise.
15527 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15530 * reload1.c (failed_reload, set_reload_reg): Likewise.
15532 * mips-tfile.c (main): Likewise.
15533 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15534 with ATTRIBUTE_NORETURN.
15536 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15538 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15539 DECL is not a memory ref.
15541 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15543 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15544 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15546 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15548 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15549 * config/mips/elf64.h: ditto.
15551 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15553 * expr.c (emit_push_insn): New argument alignment_pad.
15554 Update all callers. Adjust stack pointer based on alignment pad.
15555 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15556 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15557 (locate_and_pad_parm): New argument alignment_pad. Update all
15559 * expr.h (emit_push_insn): Update prototype.
15560 (locate_and_pad_parm): Update prototype.
15561 * calls.c (arg_data): Add new field alignment_pad.
15562 (initialize_argument_information): Initialize alignment_pad.
15564 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15566 * except.c (free_eh_nesting_info): Free the info itself.
15567 * function.c (free_after_compilation): Don't free NULL.
15568 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15569 (pre_edge_insert): Free inserted.
15570 * stmt.c (free_stmt_status): Don't free NULL.
15572 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15574 * gcov.c (DIR_SEPARATOR): Provide default.
15575 (output_data): Add test for MS-DOS format absolute filename.
15576 (fancy_abort): Correct program name.
15577 (open_files): Open all files in binary mode.
15578 * libgcc2.c (__bb_exit_func): Likewise.
15580 * profile.c (init_branch_prob): Specify binary when opening files.
15582 * flags.h (flag_unwind_tables): New decl.
15583 * toplev.c (flag_unwind_table): New definition.
15584 (f_options): Add -funwind-tables.
15585 (decode_g_option): Clarify warning when unknown -g option is given.
15586 (rest_of_compilation): If inside an inlined external function,
15587 pretend we are just being declared.
15589 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15590 (dwarf2out_frame_finish): Likewise.
15592 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15594 * fold-const.c (merge_ranges): If not in0, but in1, handle
15595 upper bounds equal like subset case.
15597 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15599 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15600 passed in a register but moved to the stack.
15602 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15604 * gcc.c (pass_exit_codes, greatest_status): New variables.
15605 (struct option_map): Add entry for "--pass-exit-codes".
15606 (execute): Update greatest_status if error.
15607 (display_help): Add documentation for -pass-exit-codes.
15608 (process_command): Handle -pass-exit-codes.
15609 (main): Look at pass_exit_codes and greatest_status on call to exit.
15611 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15613 * reload.c (find_reloads): Refine test for no input reload
15614 case to not includes reloads emitted after insn.
15616 * function.c (find_temp_slots_from_address): Handle sum involving
15617 a register that points to a temp slot.
15618 (update_temp_slot_address): Make recursive call if both old and
15619 new are PLUS with a common operand.
15620 * calls.c (expand_call): Mark temp slot for result as having
15623 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15625 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15626 component as well as "BINUTILS".
15628 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15629 * integrate.c (copy_rtx_and_substitute): Likewise.
15630 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15631 All callers changed.
15632 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15634 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15635 gdb extensions, write size of type; also be more consistent
15636 in using references when this is a subtype.
15638 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15639 that is out of range.
15641 * loop.c (unknown_constant_address_altered): New variable.
15642 (prescan_loop): Initialize it.
15643 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15644 (invariant_p, case MEM): Remove handling for volatile and readonly;
15645 check new variable if readonly.
15646 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15648 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15649 (addr_affects_sp_p): Removed from note_mem_written and only
15650 define #ifdef AUTO_INC_DEC.
15652 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15654 * regclass.c (record_reg_classes): Properly handle register move
15657 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15658 Don't think valid if both operands are invalid.
15659 (struct constant_descriptor): New field RTL.
15660 (mark_const_hash_entry): Mark it.
15661 (record_constant{,_rtx}): Initialize it.
15662 (output_constant_def): Allocate RTL in permanent obstack and
15664 ({record,compare}_constant_1): Modes must match for
15665 CONSTRUCTOR of ARRAY_TYPE.
15667 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15668 * output.h (initializer_constant_valid_p): Move decl to here.
15669 * c-common.c (initializer_constant_valid_p): Delete function from here.
15670 * varasm.c (initializer_constant_valid_p): Move function to here.
15672 * tree.h (STRIP_SIGN_NOPS): New macro.
15673 * fold-const.c (optimize_minmax_comparison): New function.
15674 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15675 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15676 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15677 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15678 widening conversions.
15679 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15680 to look at size of mode, not precision of type; also add missing cases.
15681 (optimize_bit_field_compare, decode_field_reference): Don't try to
15682 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15684 * dwarf2out.c (ctype.h): Include.
15685 (dwarf2out_set_demangle_name_func): New function.
15686 (size_of_line_info): Deleted.
15687 (output_line_info): Compute size of line info table from difference
15689 (base_type_die, add_name_attribute): Call demangle function, if any.
15690 (field_byte_offset): Use bits per word for variable length fields.
15691 (gen_array_type_die): Add array name.
15692 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15693 (dwarf2out_add_library_unit_info): New function.
15695 * explow.c (set_stack_check_libfunc): New function.
15696 (stack_check_libfunc): New static variable.
15697 (probe_stack_range): Allow front-end to set up a libfunc to call.
15699 * combine.c (simplify_comparison): When making comparison in wider
15700 mode, check for having commuted an AND and a SUBREG.
15701 (contains_muldiv): New function.
15702 (try_combine): Call it when dividing a PARALLEL.
15703 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15704 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15706 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15707 use one of the CLOBBERs instead.
15708 (if_then_else_cond): If comparing against zero, just return thing
15711 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15712 Don't generate shifts and subtract if have conditional arithmetic.
15714 * rtl.h (delete_barrier): New declaration.
15715 * jump.c (jump_optimize): Set up to handle conditional call.
15716 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15717 (delete_barrier): New function.
15719 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15721 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15723 * tree.c (build_type_attribute_variant): Push to obstack of
15724 ttype around type_hash_canon call.
15726 * expr.c (placeholder_list): Move decl to file scope.
15727 (expand_expr): Don't force access to volatile just because its
15729 If ignoring reference operations, just expand the operands.
15730 (expand_expr, case COMPONENT_REF): Propagate
15731 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15732 Refine test for using bitfield operations vs pointer punning.
15733 (expand_expr, case CONVERT_EXPR): If converting to
15734 BLKmode UNION_TYPE from BLKmode, just return inner object.
15735 Use proper mode in store_field call.
15736 Properly set sizes of object to store and total size in store_field
15737 call for convert to union.
15738 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15739 memory (like for ADDR_EXPR). Also, don't put constant in register if
15740 we'll want it in memory.
15741 (readonly_fields_p): New function.
15742 (expand_expr, case INDIRECT_REF): Call it if LHS.
15743 (expand_assignment): Handle a RESULT_DECL where
15744 DECL_RTL is a PARALLEL.
15745 (do_jump, case WITH_RECORD_EXPR): New case.
15746 (get_inner_reference): Always go inside a CONVERT_EXPR
15747 and NOP_EXPR if both modes are the same.
15748 (store_field): Use bitfield operations if size of bitsize is not same
15749 as size of RHS's type.
15750 Check for bitpos not a multiple of alignment in BLKmode case.
15751 Do block move in largest possible alignment.
15752 (store_constructor): Set BITSIZE to -1 for variable size and properly
15753 in case of array of BLKmode.
15754 (expand_expr_unaligned): New function.
15755 (do_compare_and_jump): Call it.
15757 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15758 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15759 does not include 'o'.
15761 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15762 both SET_DEST and SET_SRC reference a virtual register.
15763 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15765 * integrate.c (expand_inline_function): Handle case of setting
15766 virtual stack vars register (from built in setjmp); when parameter
15767 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15768 (subst_constant): Add new parm, MEMONLY.
15769 (expand_inline_function, integrate_parm_decls): Pass new parm.
15770 (integrate_decl_tree): Likewise.
15771 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15772 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15773 (copy_rtx_and_substitute, case SET): Add explicit calls to
15774 copy_rtx_and_substitute for both sides.
15776 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15778 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15779 within INDEX_TYPE, instead of before.
15780 (fixup_gotos): Use f->target_rtl, not the next insn,
15781 since latter may be from a later fixup.
15782 (expand_value_return): Correctly convert VAL when promoting function
15783 return; support RETURN_REG being a PARALLEL.
15784 (expand_return): When checking for result in regs and having
15785 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15787 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15789 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15790 last_nominal_fname): Mark const.
15791 (struct include_hash: name, nshort, control_macro): Mark
15793 (struct macrodef: symnam): Mark const.
15794 (struct if_stack: fname): Mark const.
15795 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15796 (IStable): New character-syntax array which encompasses all
15797 the old is_foo arrays.
15798 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15799 is_space): New macros for interrogating IStable.
15800 (check_macro_name): Kill last argument. All callers changed.
15802 * cppinit.c (initialize_char_syntax): Delete.
15803 (is_idchar, is_idstart, is_hor_space, is_space,
15804 trigraph_table): Delete.
15805 (IStable): New. Initialize with clever macros to avoid
15806 information duplication.
15807 (builtin_array): Table of builtins to get rid of explicit list
15808 in initialize_builtins.
15809 (initialize_builtins): Use builtins_array.
15810 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15811 opts->dollars_in_ident.
15813 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15815 (cpp_parse_expr): Avoid 'format string is not constant'
15816 warning. Use ISGRAPH to identify printable chars.
15817 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15819 (read_and_prescan): Map trigraphs to chars with open-coded
15820 if-else-if-... sequence, not a lookup table.
15821 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15823 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15824 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15825 (check_macro_name): Remove ability to report an invalid
15826 assertion name, which is never used.
15827 (do_line): Constify a couple of char *'s.
15828 * cppmain.c (main): Call cpp_cleanup before returning.
15830 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15832 * ggc.h (struct ggc_statistics): New type.
15833 (ggc_get_size): New function.
15834 (ggc_print_statistics): Likewise.
15835 * ggc-common.c (ggc_stats): New variable.
15836 (ggc_mark_rtx_children): Keep statistics.
15837 (ggc_mark_tree_children): Likewise.
15838 (ggc_print_statistics): New function.
15839 * ggc-page.c (struct globals): Add bytes_mapped field.
15840 (alloc_anon): Update it.
15841 (release_pages): Likewise.
15842 (ggc_get_size): New function.
15843 (ggc_page_print_statistics): New function.
15844 * ggc-simple.c (ggc_get_size): New function.
15846 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15848 * flow.c (propagate_block): When the last reference to a label
15849 before an ADDR_VEC is deleted because the reference is a dead
15850 store, delete the ADDR_VEC.
15852 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15854 * resource.c (find_free_register): Don't use the frame pointer
15855 if frame_pointer_needed.
15857 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15859 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15860 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15862 * config/i960/i960.c (i960_va_start): New locals base, num.
15863 Use INDIRECT_REF instead of ARRAY_REF on valist.
15864 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15866 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15868 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15870 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15872 * tree.def (PLACEHOLDER_EXPR): Update comments.
15874 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15876 * c-common.c (check_format_info): Avoid non-literal format string
15877 warnings when `first_arg_num' is zero.
15879 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15881 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15883 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15885 * arm.md (casesi_insn): Add a clobber of the condition code
15888 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15890 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15891 used by both cc1 and cc1plus.
15893 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15895 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15896 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15897 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15898 to the value 32 if it has not already been defined.
15899 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15900 Override definition in arm.h with a value of 8.
15902 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15904 * c-pragma.c (push_alignment): Don't check the return value
15907 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15909 * sparc.h (ADJUST_COST): Fix thinko.
15911 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15913 * cccp.c (rescan): Fixed obp pointer handling around call to
15914 check_expand subroutine.
15916 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15918 * gcse.c (delete_null_pointer_checks): Only record non-null info
15919 for pseudos when examining stores.
15921 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15922 splitters for these patterns. Use "#" for output templates.
15923 (addsi3_carryin_shift): New pattern.
15925 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15927 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15928 of the function return register into a plain REG until
15929 after function inlining is done.
15931 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15933 * jump.c (jump_optimize_1): If we did cross-jumping, and
15934 the data will matter, rebuild the CFG.
15935 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15936 not optimizing. Don't run shorten_branches.
15937 * toplev.c (rest_of_compilation): Run shorten_branches after
15940 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15942 * rtl.h (note_stores): Add additional paramter.
15943 * rtlanal.c (reg_set_p_1): Take additional paramter.
15944 (reg_set_last_1): Likewise.
15945 (reg_set_p): Adjust call to note_stores.
15946 (reg_set_last): Likewise.
15947 (note_stores): Pass data parameter to worker function.
15948 * alias.c (record_set): Take additional parameter.
15949 (init_alias_analysis): Pass it.
15950 * caller-save.c (mark_set_regs): Take additional parameter.
15951 (save_call_clobbered_regs): Pass NULL to note_stores.
15952 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15954 (record_dead_and_set_regs_1): Likewise.
15955 (reg_dead_at_p_1): Likewise.
15956 (combine_instructions): Adjust calls to note_stores.
15957 (try_combine): Likewise.
15958 (record_dead_insn): Remove.
15959 (record_dead_and_set_regs): Adjust calls to note_stores.
15960 (reg_dead_at_p): Likewise.
15961 * cse.c (invalidate_skipped_set): Take additional parameter.
15962 (cse_check_loop_start): Likewise.
15963 (cse_check_loop_start_value): Remove.
15964 (cse_set_around_loop): Adjust calls to note_stores.
15965 * flow.c (notice_stack_pointer_modification): Take additional
15966 parameter. Remove duplicate declaration.
15967 (record_volatile_insns): Adjust calls to note_stores.
15968 * gcse.c (record_set_info): Take additional parameter.
15969 (record_last_set_info): Likewise.
15970 (invalidate_nonnull_info): Likewise.
15971 (record_set_insn): Remove.
15972 (compute_sets): Adjust calls to note_stores.
15973 (last_set_insn): Remove.
15974 (compute_hash_table): Adjust calls to note_stores.
15975 (insert_insn_end_bb): Likewise.
15976 (delete_null_pointer_checks): Likewise.
15977 * global.c (mark_reg_store): Take additional parameter.
15978 (mark_reg_clobber): Likewise.
15979 (reg_becomes_live): Likewise.
15980 (global_conflicts): Adjust calls to note_stores.
15981 (build_insn_chain): Likewise.
15982 * integrate.c (note_modified_parmregs): Take additional parameter.
15983 (mark_stores): Likewise. Make it static.
15984 (save_for_inline_nocopy): Adjust calls to note_stores.
15985 (try_constants): Likewise.
15986 * integrate.h (mark_stores): Remove declaration.
15987 * jump.c (mark_modified_reg): Take additional parameter.
15988 (thread_jumps): Adjust calls to note_stores.
15989 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15991 (no_equiv): Likewise.
15992 (reg_is_set): Likewise.
15993 (validate_equiv_mem): Adjust calls to note_stores.
15994 (update_equiv_regs): Likewise.
15995 (block_alloc): Likewise.
15996 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15997 (note_addr_stored): Take additional parameter.
15998 (note_set_pseudo_multiple_uses): Likewise.
15999 (record_initial): Likewise.
16000 (prescan_loop): Adjust calls to note_stores.
16001 (strength_reduce): Likewise.
16002 (check_dbra_loop): Likewise.
16003 * regmove.c (flags_set_1): Take additional paramter.
16004 (mark_flags_life_zones): Adjust calls to note_stores.
16005 * reload1.c (mark_not_eliminable): Take additional parameter.
16006 (forget_old_reloads_1): Likewise.
16007 (reload_cse_invalidate_rtx): Likewise.
16008 (reload_cse_check_clobber): Likewise.
16009 (reload_combine_note_store): Likewise.
16010 (move2add_note_store): Likewise.
16011 (reload): Adjust calls to note_stores.
16012 (reload_as_needed): Likewise.
16013 (emit_reload_insns): Likewise.
16014 (reload_cse_regs_1): Likewise.
16015 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16016 (reload_combine): Adjust calls to note_stores.
16017 * resource.c (update_live_status): Take additional paramter.
16018 (mark_target_live_regs): Adjust calls to note_stores.
16019 * stupid.c (find_clobbered_regs): Take additional parameter.
16020 (stupid_life_analysis): Adjust calls to note_stores.
16022 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16024 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16027 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16030 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16031 of the variable arm_structure_size_boundary.
16033 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16035 * alias.c (init_alias_analysis): Allocate reg_known_value and
16036 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16038 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16039 * cse.c (cse_main): Call end_alias_analysis.
16040 * haifa-sched.c (schedule_insns): Likewise.
16041 * local-alloc. (update_equiv_regs): Likewise.
16042 * reload1.c (reload_cse_regs): Likewise.
16044 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16046 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16047 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16048 mapping from MASK_FPU.
16050 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16052 * sparc.md (call): Don't bound structure return size to 0xfff.
16054 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16056 * resource.c (mark_target_live_regs): Check that the target
16057 insn wasn't created after compute_bb_for_insn.
16059 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16061 * ggc-page.c (poison_pages): Don't be overzealous.
16063 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16065 * alias.c: Update comments for ADDRESS.
16066 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16067 it is a local memory reference.
16069 * c-typeck.c (build_function_call): Check that the built-in
16070 function is of class BUILT_IN_NORMAL before trying to recongize
16071 it as BUILT_IN_ABS.
16072 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16073 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16075 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16077 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16079 (pre_gcse): Likewise.
16080 (hoist_expr_reaches_here_p): Likewise.
16081 (hoist_code): Likewise.
16082 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16084 (pre_expr_reaches_here_p_work): ... here.
16085 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16087 (expr_reaches_here_p_work): ... here.
16089 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16091 * resource.c (find_basic_block): Delete.
16092 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16093 (init_resource_info): Call compute_bb_for_insn.
16095 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16097 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16098 with already adjacent blocks, but no fallthru.
16099 (merge_blocks_move_successor_nojumps): Simplify.
16100 (debug_flow_info): New.
16102 * toplev.c (rest_of_compilation): Open jump1 dump file before
16103 jump and close after, as opposed to just using dump_rtl.
16105 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16107 * reload.h (earlyclobber_operand_p): Declare.
16108 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16109 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16110 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16111 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16113 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16114 Richard Henderson <rth@cygnus.com>
16116 * emit-rtl.c (emit_block_insn_before): New.
16117 (emit_block_insn_after): New.
16118 * basic-block.h: Declare them.
16120 * bitmap.h: Protect from multiple inclusion.
16122 * recog.c (scratch_operand): Handle VOIDmode correctly.
16124 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16126 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16127 * function.c (assign_parms): Likewise.
16128 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16130 * reg-stack.c (max_uid): Remove.
16131 (blocks, block_begin, block_end, block_drops_in): Remove.
16132 (block_stack_in, block_out_reg_set, block_number): Remove.
16133 (struct block_info_def, BLOCK_INFO): New.
16134 (enum emit_where): New.
16135 (current_block): New.
16136 (BLOCK_NUM): Remove.
16137 (mark_regs_pat, record_label_references): Remove.
16138 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16140 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16141 (reg_to_stack): Simplified test for existance of fp code. Use
16142 flow.c code. Call shorten_branches after cross-jump opt.
16143 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16144 Return false if the asm doesn't use stack regs. Don't do life
16145 analysis on the asm.
16146 (emit_pop_insn): Replace function pointer arg `when' with
16147 enum `where'. Update all callers.
16148 (change_stack): Likewise. Update basic block end.
16149 (emit_swap_insn): Use current_block->head to limit reverse search
16150 for start of block. Use emit_block_insn_after.
16151 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16152 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16153 structure assignment instead of bcopy.
16154 (print_stack): New.
16155 (convert_regs_entry, convert_regs_exit): New.
16156 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16157 Work on basic blocks and the CFG.
16158 (convert_regs): Use them.
16160 * i386.c (output_fix_trunc): Remove code for DImode input operand
16161 not at top-of-stack.
16162 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16164 (fix_truncdi_1): Allow any mode scratch.
16166 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16168 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16169 * linux.h, netbsd.h, vms.h: Not here.
16171 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16173 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16174 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16175 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16176 CONDITIONAL_REGISTER_USEAGE): Use them.
16177 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16178 gen_conditional_branch,override_options) : Use them.
16179 * config/mips/mips.md : Use them.
16181 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16183 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16185 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16187 * integrate.c (function_cannot_inline_p): Don't allow inlining
16190 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16192 * c-parse.in (cast_expr): Constify.
16194 * cccp.c (special_symbol): Likewise.
16196 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16198 * dwarf2out.c (base_type_die): Likewise.
16200 * global.c (allocno_compare): Likewise.
16202 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16204 * regclass.c (fix_register): Likewise.
16206 * rtl.h (fix_register): Likewise.
16208 * stupid.c (stupid_reg_compare): Likewise.
16210 * toplev.c (decode_f_option): Likewise.
16212 * tree.c (build_complex_type): Likewise.
16214 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16216 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16218 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16220 * reload.c (find_reloads): Compute mode and nregs fields of all
16222 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16223 (calculate_needs): Use precomputed mode/nregs values.
16224 (allocate_reload_reg): Likewise.
16226 (failed_reload, set_reload_reg): ... new functions.
16227 (choose_reload_regs_init): New function, mostly broken out from...
16228 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16229 Also lose one #if 0 block.
16231 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16233 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16236 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16238 * tree.h (BLOCK_TYPE_TAGS): Remove.
16239 (BLOCK_END_NOTE): Likewise.
16240 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16241 (BLOCK_LIVE_RANGE_START): Likewise.
16242 (BLOCK_LIVE_RANGE_END): Likewise.
16243 (tree_block): Remove live_range_flag, live_range_var_flag, and
16244 type_tags. Remove end_note, live_range_start, and live_range_end.
16245 (remember_end_note): Remove prototype.
16246 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16247 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16249 * ggc-common.c (ggc_mark_tree_children): Don't mark
16250 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16251 * integrate.c (adjust_copied_decl_tree): Remove.
16252 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16253 * stmt.c (last_block_end_note): Remove.
16254 (init_stmt): Don't add a GC root for it.
16255 (expand_fixup): Don't set it.
16256 (remember_end_note): Remove.
16257 (expand_end_bindings): Don't set last_block_end_note.
16259 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16261 * reload1.c (reload_reg_free_for_value_p): Show
16262 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16265 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16267 * expmed.c (extract_bit_field): Allow for the case of non-integer
16268 objects that are smaller than a word (like SFmode on a 64-bit
16271 * loop.c (basic_induction_var): A non-integer variable which is
16272 being set by a paradoxical subreg is probably not a biv.
16274 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16276 * prefix.c (translate_name) Check for empty prefix string.
16278 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16280 * Makefile.in (CPP_CROSS_NAME): New variable.
16281 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16283 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16284 names of the files to be uninstalled.
16286 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16288 * collect2.c (IS_DIR_SEPARATOR): Define.
16289 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16291 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16294 * haifa-sched.c (add_dependence): Update the true dependency
16295 cache the first time we add a true dependence to the LOG_LINKS chain.
16297 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16299 * fold-const.c (fold): Fix comment.
16301 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16303 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16304 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16305 dbxout_start_new_source_file, dbxout_source_file,
16306 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16307 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16309 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16310 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16311 (dbxout_block): Initialize variable `blocknum'.
16313 * dbxout.h (dbxout_init, dbxout_finish,
16314 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16315 dbxout_args, dbxout_source_line): Constify a char*.
16317 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16318 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16319 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16320 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16321 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16322 src_info_attribute, mac_info_attribute, producer_attribute,
16323 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16324 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16325 dwarfout_undef): Constify a char*.
16326 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16328 * dwarfout.h (dwarfout_define, dwarfout_undef,
16329 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16331 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16333 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16334 (MULTILIB_ISA_DEFAULT): New.
16335 (MULTILIB_DEFAULTS): Use it.
16336 * config/mips/mips.c (): Remove the now unnecessary definition
16337 of MIPS_ISA_DEFAULT.
16338 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16339 unnecessary definition.
16341 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16343 * arm.md (pic_load_addr): Add constraints to operand 1.
16345 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16347 * fixinc/genfixes: Provide a means for specifying -D options to
16350 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16352 * arm.c (arm_override_options): Correct initialization of
16353 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16354 arm_is_strong, and arm_is_6_or_7.
16356 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16357 (note_set_pseudo_multiple_uses): New function.
16358 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16359 if a pseudo set in the loop exit is used elsewhere.
16361 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16363 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16365 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16367 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16368 a single load-address pattern.
16370 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16372 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16373 depending on whether or not line-number notes are present.
16375 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16377 * cccp.c (progname, file_buf, default_include, include_file,
16378 macrodef, definition, hashval, wchar_type, user_label_prefix,
16379 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16380 expand_to_temp_buffer, is_system_include, base_name,
16381 absolute_filename, read_name_map, open_include_file,
16382 record_control_macro, check_precompiled, check_preconditions,
16383 pcfinclude, pass_thru_directive, create_definition,
16384 check_macro_name, comp_def_part, collect_expansion,
16385 check_assertion, read_token_list, assertion_install,
16386 assertion_lookup, eval_if_expression, conditional_skip,
16387 validate_else, skip_quoted_string, quote_string, macarg1,
16388 error_from_errno, install, lookup, hashf, dump_defn_1,
16389 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16390 check_white_space, rescan, handle_directive, monthnames,
16391 special_symbol, do_include, remap_include_file, write_output,
16392 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16393 do_ident, do_sccs, do_xifdef, skip_if_group,
16394 output_line_directive, macroexpand, macarg, change_newlines,
16395 initialize_builtins, make_definition): Constify a char*.
16397 * pcp.h (stringdef): Likewise.
16399 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16401 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16404 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16405 Richard Henderson <rth@cygnus.com>
16407 * alias.c: Include ggc.h.
16408 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16409 (record_set): Verify enough room in reg_base_value.
16410 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16411 Register it as a GC root.
16412 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16413 * Makefile.in (alias.o): Depend on ggc.h.
16415 * unroll.c (unroll_loop): Verify the insn before a barrier
16416 is a JUMP_INSN before checking JUMP_LABEL.
16418 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16420 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16421 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16422 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16423 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16424 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16425 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16427 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16429 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16431 * alpha/alpha-interix.h (text_section): Delete prototype.
16432 * alpha/elf.h (text_section): Likewise.
16433 * arm/linux-elf.h (text_section): Likewise.
16434 * arm/linux-telf.h (text_section): Likewise.
16435 * c4x/c4x.h (text_section): Likewise.
16436 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16437 * elfos.h (text_section): Likewise.
16438 * i386/aix386ng.h (text_section): Likewise.
16439 * i386/i386-interix.h (text_section): Likewise.
16440 * i386/sco5.h (text_section): Likewise.
16441 * i386/svr3gas.h (text_section): Likewise.
16442 * nextstep.h (text_section): Likewise.
16443 * psos.h (text_section): Likewise.
16444 * ptx4.h (text_section): Likewise.
16445 * svr3.h (text_section): Likewise.
16446 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16448 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16450 * final.c (peephole): Delete prototype.
16452 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16453 (pre_insert_copies): Remove unused variable `bb'.
16455 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16458 * output.h (peephole): Add prototype.
16460 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16462 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16465 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16467 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16468 for inlined declarations.
16470 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16472 * arm.c (logical_binary_operator): New fucntion.
16473 * arm.h (logical_binary_operator): Declare it.
16474 (PREDICATE_CODES): Handle logical_binary_operator.
16475 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16476 output constraints. Add appropriate splitters.
16477 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16478 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16479 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16481 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16483 * genoutput.c (struct operand_data): New elt eliminable.
16484 (output_operand_data): Write it.
16485 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16486 (compare_operands): Take it into account.
16487 * recog.h (struct insn_operand_data): New elt eliminable.
16488 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16490 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16491 (eliminate_regs): Move code that detects changes to elimination
16492 target regs into new function elimination_effects.
16493 Delete one #if 0 block.
16494 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16495 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16496 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16497 Only call eliminate_regs for real operands of the insn, not for parts
16498 of its structure or parts matched by things like match_operator.
16499 Use elimination_effects and check_eliminable_occurrences. Use
16500 copy_insn to duplicate the pattern when not in the final pass.
16502 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16504 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16507 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16509 * fixinc/README: document the "mach" machine matching test
16510 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16511 * fixinc/fixtests.c: Implement the #else/#endif label test
16512 * fixinc/inclhack.def: utilize these tests and fixes
16513 * fixinc/inclhack.sh: regen
16514 * fixinc/fixincl.x: regen
16515 * fixinc/fixincl.sh: regen
16517 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16519 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16522 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16524 * gcc.1: Document exit codes.
16526 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16528 * calls.c: Include tm_p.h later, so everything we need is defined.
16529 * expr.c: Likewise.
16530 * function.c: Likewise.
16532 * except.c: Include tm_p.h.
16534 * sparc.c: Likewise.
16535 (dwarf2out_cfi_label): Don't prototype.
16536 (check_return_regs, epilogue_renumber,
16537 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16538 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16539 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16540 ultra_schedule_insn): Add static prototype.
16541 (data_segment_operand, text_segment_operand): Call itself with the
16542 proper number of arguments.
16543 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16545 * sparc.h: Move all declarations to sparc-protos.h.
16546 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16549 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16551 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16553 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16554 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16555 ASM_OUTPUT_ASCII): Constify a char*.
16557 * sparc-protos.h: New file for sparc prototypes.
16559 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16561 * function.c (record_insns, contains): Always declare and define.
16562 (record_insns): Mark with ATTRIBUTE_UNUSED.
16564 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16566 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16567 to .section when outputting a .bss section to deal with multiple
16568 .bss input sections (as happens with -fdata-sections)
16569 Also output %progbits, not @progbits so the assembler doesn't treat as
16571 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16573 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16574 thumb parts even when building with non-thumb CPUs, by forcing
16577 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16579 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16580 (movdf_const_intreg_sp64): Similarly.
16582 * local-alloc.c (update_equiv_regs): Check the correct insn
16583 for pre-existing REG_EQUIV notes.
16585 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16587 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16588 block reached by a branch if we're not going to actually process
16591 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16593 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16594 a local extern function declaration.
16596 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16598 * i386.c (ix86_expand_prologue): Properly wrap USE around
16599 reg for CALL_INSN_FUNCTION_USAGE.
16601 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16603 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16604 move between GP_REGs.
16606 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16608 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16609 the mode size when finding out if an offset is legal.
16611 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16613 * basic-block.h (PROP_*): Move constants from ...
16614 * flow.c: ... here.
16615 (compute_bb_for_insn): Free the array before reallocating.
16616 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16617 (allocate_reg_life_data): Reset all reg variables collected by
16619 (get_block_head_tail): Don't convert from bb to block.
16620 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16621 (find_insn_reg_weight): Take block not bb.
16622 (schedule_block): Don't set block num for moved insns.
16623 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16624 (schedule_insns): Do it here instead.
16625 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16626 before update_life_info.
16627 * recog.c (split_all_insns, peephole2_optimize): Update for
16628 new arg to update_life_info.
16629 * rtlanal.c (remove_note): Cope with NULL note.
16630 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16633 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16635 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16637 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16638 block records so that merge_blocks_nomove will clean up correctly.
16639 (split_edge): Handle casesi insns.
16641 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16643 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16645 * pa.md (call, call_value): Do not emit a blockage after restoring
16648 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16650 * c-typeck.c (c_expand_asm_operands): Fix typo.
16652 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16654 * arm.c (fpu_rhs_operand): Verify modes.
16655 (fpu_add_operand): Likewise.
16656 (di_operand): Likewise.
16657 (soft_df_operand): Likewise.
16659 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16661 * arm.c (arm_return_in_memory): APCS rules state that the elements
16662 of a structure returned in a register must be 'integer-like'.
16664 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16666 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16667 in the source tree when the generated targets are out of date
16668 * fixinc/genfixes: Alter it to run individual fixes for make.
16669 * fixinc/README: rewrite
16670 * fixinc/inclhack.def: moved initial comments to README
16672 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16674 * toplev.c (main): Do not generate an error message if an
16675 unrecognised command line switch is recognisable by another
16676 language. If extra_warnings are enabled, then generate a
16677 warning message instead.
16679 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16681 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16682 (insert_pack_attributes): Delete prototype.
16684 * c-pragma.c (default_alignment): New static variable.
16685 (push_alignment): Initialize to current effective alignment.
16686 (pop_alignment): Use to set new alignment.
16687 (insert_pack_attributes): Delete function.
16688 (handle_pragma_token): Set default_alignment as well each time
16689 a #pragma pack(<n>) is encountered.
16691 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16693 * reg-stack.c (stack_result): Aggregates are not returned in
16696 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16698 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16700 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16702 * basic-block.h (set_block_num): Declare.
16703 * flow.c (update_life_info): Don't call compute_bb_for_insn
16704 or free_basic_block_vars.
16705 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16706 (insn_orig_block): Remove.
16707 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16708 (schedule_block): Keep BLOCK_NUM up-to-date.
16709 (schedule_insns): Use compute_bb_for_insn.
16710 * recog.c (split_all_insns): Likewise.
16711 (peephole2_optimize): Likewise.
16713 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16715 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16716 if the pic register is used.
16718 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16720 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16721 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16722 if that tests TREE_PERMANENT.
16724 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16726 * cse.c (invalidate_for_call): Do not remove memory references from
16727 the table here. It's handled elsewhere.
16729 * haifa-sched.c (add_dependence): Protect references to the
16730 true dependency cache with #ifdef INSN_SCHEDULING.
16731 (remove_dependence): Similarly.
16733 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16734 to the cfg code that this is a return instruction.
16735 * mn10300.md (return_internal): Similarly.
16737 * combine.c (get_last_value): If the last set of a register
16738 is after subst_low_cuid, then we can not use it to determine
16739 the register's last value.
16741 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16743 * Makefile.in: Back out previous change.
16745 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16747 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16749 * haifa-sched.c (add_dependence): Only check/update the cache
16751 (remove_dependence): Likewise.
16752 (schedule_insns): Only create the true_dependency_cache if the
16753 average number of instructions in a basic block is very large.
16755 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16757 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16758 (ggc-simple.o): Likewise.
16759 (ggc-page.o): Likewise.
16761 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16763 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16764 Prototype for exported functions.
16765 (pre_lcm, pre_rev_lcm): Remove prototypes.
16766 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16767 (compute_available): Move to lcm.c, and change parameter order.
16768 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16769 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16770 (gcse_main): No longer call compute_preds_succs. Rebuild the
16771 set table after reach pre pass.
16772 (pre_insert_map, pre_delete_map, edge_list): New.
16773 (alloc_pre_mem): Allocate edge vectors.
16774 (free_pre_mem): Delete edge vectors.
16775 (compute_pre_data): Call new edge based lcm routines.
16776 (process_insert_insn): New function.
16777 (insert_insn_end_bb): Use it.
16778 (pre_edge_insert): New function.
16779 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16781 (pre_insert_copies): Revamp using new edge based lcm outputs.
16782 (pre_delete): Likewise.
16783 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16785 (compute_code_hoist_vbeinout): New new edge based routines.
16786 * lcm.c: Remove all the old LCM functions. Replace with new ones
16787 that work with the new cfg datastructures and work with edges
16790 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16792 * reload.h (struct reload): Add new fields "mode" and "nregs".
16793 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16794 to reference the "mode" and "nregs" field within struct reload.
16796 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16798 * haifa-sched.c (true_dependency_cache): New.
16799 (add_dependence): Use the true dependency cache to avoid expensive
16800 walks down the LOG_LINKS dependency list. Add entries to the
16801 cache as necessary.
16802 (remove_dependence): Remove entries from the true dependency cache
16804 (schedule_insns): Allocate and initialize and free the true
16807 * haifa-sched.c (schedule_insns): Do not remove inter-block
16808 dependencies anymore.
16810 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16812 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16813 * i386/t-winnt: Likewise.
16815 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16817 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16819 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16821 * Makefile.in (LANGUAGES): Omit "proto".
16822 (clean): Remove stale comment about removing unprotoize.c.
16824 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16826 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16827 using arithmetic on void pointers.
16829 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16831 * haifa-sched.c (compute_block_forward_dependencies): Only check
16832 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16834 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16836 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16837 (expr_equiv_p): Reject memories with different alias sets.
16839 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16841 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16842 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16843 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16844 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16845 (lang_init): Set default for flag_bounds_check if still "unspecified".
16847 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16849 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16851 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16853 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16856 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16858 * config/c4x/c4x.md (*db_noclobber,
16859 *decrement_and_branch_until_zero_noclobber): New patterns and
16860 associated splitters.
16862 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16864 * config/c4x/c4x.md (parallel instruction patterns): Rework
16865 constraints to keep reload happy.
16867 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16869 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16870 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16871 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16872 Add new patterns and associated post-reload splitters.
16874 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16876 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16878 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16880 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16882 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16884 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16886 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16889 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16891 * pa.c (move_operand): Rely on memory_address_p to determine the
16892 validity of non-indexed memory addresses.
16893 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16894 operand in DFmode and SFmode when generating PA2.0 code.
16896 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16898 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16900 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16902 * mips.c (function_prologue): Fix argument types.
16903 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16904 (casesi_internal): Write to the scratch register.
16906 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16908 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16910 (parse_charconst): Delete unnecessary cast when calling
16912 (cpplib.h): Kill prototype of cpp_parse_escape.
16914 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16916 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16917 * unroll.c (unroll_loop): Cast return value of alloca.
16918 * i370/i370.c: Include function.h and toplev.h.
16919 (i370_label_scan): Remove c++ commented abort.
16920 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16921 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16922 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16923 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16925 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16927 * config/t-freebsd: Do not override USER_H.
16928 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16930 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16931 Mumit Khan <khan@xraylith.wisc.edu>
16933 * c-parse.in (component_decl): Support anonymous struct/union.
16935 * c-parse.y: Regenerate.
16936 * c-parse.c: Likewise.
16937 * objc/objc-parse.y: Likewise.
16938 * objc/objc-parse.c: Likewise.
16939 * c-decl.c (finish_struct): Don't sort the fields.
16940 (field_decl_cmp): Delete unused function.
16942 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16944 * sparc.md (movsf_const_intreg): Revert last constraint change.
16945 (movdf_const_intreg_sp32): Likewise.
16947 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16949 * cse.c: Include hashtab.h instead of splay-tree.h
16950 (struct cse_reg_info): No longer use variant union. Add new
16951 field "regno". All references changed to avoid union.
16952 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16953 (free_cse_reg_info): Remove.
16954 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16955 (get_cse_reg_info): Revamp to use expandable hash tables instead
16956 of splay trees. Initialize new fields in cse_reg_info structure.
16957 (new_basic_block): Similarly.
16959 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16961 * genrecog.c (message_with_line): Prototype.
16962 (validate_pattern): Pass along the set for the dest, not a flag.
16963 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16964 Check for PC/CC0 as sources.
16965 (nodes_identical): Check for children position match before
16966 allowing the combination.
16968 * rtl.c (read_rtx): Track line number across \\\n.
16970 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16972 * mips.h (SPECIAL_MODE_PREDICATES): New.
16973 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16974 (movdi+1, movsi+1): Add output reload constraint.
16975 (casesi_internal): Likewise. Fix commentary.
16976 (return_internal): Use pmode_register_operand.
16978 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16980 * 1750a.md (movstrqi): Add missing output reload constraint.
16981 (call_value): Likewise.
16982 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16983 (jmpfdec): Add missing inout reload constraint.
16984 * elxsi.md (addsi patterns): Add missing output reload constraint.
16985 (move from sp): Use @ alternates.
16986 (call_value): No constraint on output.
16987 * fr30.md (movsi_pop): Add missing output reload constraint.
16988 (movsf_constant_store): Likewise.
16989 (splits): Remove constraints.
16990 (subsi3): Add missing mode.
16991 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16992 (call_value): Likewise.
16993 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16994 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16995 * m32r.md (movsicc_internal): Add output reload constraint.
16996 (movstrsi_internal): Add inout reload constraints.
16997 * m88k.h (reg_names): Don't declare.
16998 (SPECIAL_MODE_PREDICATES): New.
16999 * m88k.md (*): Use register_operand not reg_or_0_operand
17001 * mn10200.h (PREDICATE_CODES): New.
17002 * ns32k.md (ffs pattern): Add output reload constraint.
17003 * pdp11.md (sob pattern): Add inout reload constraint.
17004 * sh.md (splits): Remove constraints.
17005 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17006 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17007 * vax.md (jgequ pattern): Add inout reload constraint.
17009 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17011 * configure.in (djgpp): Revert previous patch.
17012 * configure: Rebuit.
17013 * config/i386/djgpp.h: Revert previous patch.
17015 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17017 * fixinc/inclhack.def: Restore patch lost during last merge of
17018 "no_bogosity" branch.
17019 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17021 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17023 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17024 * fixinc/inclhack.def: Same.
17025 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17027 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17029 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17030 as the base of a PLUS.
17032 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17034 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17035 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17037 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17039 * pa.md (post_stw+1): Use pmode_register_operand.
17040 (dcacheflush, icacheflush): Likewise.
17042 * i386.md (movstricthi_1): Allow r/r.
17044 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17046 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17047 to (not (and (arg0) (arg1))). Similary for and.
17049 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17050 fallthrough to associate code.
17051 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17054 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17055 no bits in common; remove XOR to ROTATE conversion.
17057 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17059 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17061 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17063 * config/c4x/c4x.c (dst_operand): New.
17064 (PREDICATE_CODES): Update.
17065 * config/c4x/c4x.h (dst_operand): Declare it.
17066 * config/c4x/c4x.md: Define mode for each unspec usage.
17067 (move patterns): Use dst_operand predicate instead of src_operand.
17068 (movqi_update, movqf_update): Delete.
17070 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17072 * recog.c (pmode_register_operand): New.
17073 * recog.h: Declare it.
17074 * genrecog.c (pred_codes): Likewise.
17075 (special_mode_pred_table): Likewise.
17076 (validate_pattern): Don't warn no mode for address_operand.
17078 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17079 if the operand is not insn-like.
17081 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17082 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17084 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17086 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17088 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17089 instead of general_operand in a SET_DEST. Use const_double_operand
17090 instead of an explicit test against CONST_DOUBLE.
17091 (movsf_const_lo): Add missing register mode.
17092 (goto_handler_and_restore): Add auxiliary test for Pmode.
17093 (flush): Adjust to use address_operand.
17094 (return_sf_no_fpu): Add missing output constraint.
17096 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17098 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17099 for call return value.
17100 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17102 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17104 * toplev.c (main): Only warn about options for other languages.
17105 * collect2.c (main): Pass -w to sub-gcc.
17107 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17109 * flow.c (propagate_block): Add call-clobbered registers to
17112 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17113 zapping mem_set_list.
17114 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17115 (mark_set_1, mark_used_regs): Likewise.
17117 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17119 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17121 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17123 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17124 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17125 options. Also add a new item "C-only Warning Options" to the
17128 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17130 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17131 from multiple calls.
17133 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17135 * i386.md (call value patterns): Move to the end of the file.
17136 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17138 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17140 * configure.in (djgpp configuration): Define extra_objects..
17141 * configure: Rebuilt.
17142 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17143 (DTORS_SECTION_ASM_OP): Define.
17144 (INIT_SECTION_ASM_OP): Define.
17145 (FINI_SECTION_ASM_OP): Define.
17146 (DATA_SECTION_ASM_OP): Define.
17147 (TEXT_SECTION_ASM_OP): Define.
17148 (EH_FRAME_SECTION_ASM_OP): Define.
17149 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17150 (STARTFILE_SPEC): Add crtbegin.o.
17151 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17152 to here from LINK_COMMAND_SPEC.
17153 (DO_GLOBAL_CTORS_BODY): Define.
17154 (CRTSTUFF_USE_FINI_SECTION): Define
17155 (HAS_INIT_SECTION): Delete.
17157 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17159 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17161 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17163 * pa.h (PREDICATE_CODES): New.
17165 * genrecog.c (validate_pattern): Condense the destination
17166 non-lvalue message.
17168 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17170 * alpha.md (call-1): Supply missing mode for operator.
17171 (*): Add missing output reload constraints. Remove constraints
17172 from define_splits.
17174 * i386.h (SPECIAL_MODE_PREDICATES): New.
17175 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17176 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17177 (addsi_lea_3): Add missing mode for op 3.
17178 (prologue_set_got, prologue_get_pc): Add missing modes.
17179 (*) Add missing output reload constraints.
17181 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17183 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17184 check for member bit-size overflow and use var_size if it occurs.
17185 (layout_record): Use bitsize_int() to define the type size in bits.
17186 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17187 (layout_decl): Likewise when assigning to DECL_SIZE.
17189 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17191 * genrecog.c (validate_pattern): Typo last change. Verify
17192 that output operands have output reloads.
17194 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17196 * genrecog.c (special_mode_pred_table): New.
17197 (NUM_SPECIAL_MODE_PREDS): New.
17198 (find_operand): New.
17199 (validate_pattern): New argument `insn'. Warn for assignment to
17200 any predicate accepting non-lvalues. Conditionaly warn for
17201 match_operand without a mode. Try much harder to match source
17202 and destination modes on a set.
17203 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17205 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17207 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17209 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17211 * combine.c (simplify_logical): Recognize xor pattern that encodes
17214 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17216 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17219 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17221 * ggc-page.c (MAP_FAILED): Provide default.
17223 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17225 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17226 * sparc.h (PREDICATE_CODES): Update.
17228 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17230 * alpha.c (some_ni_operand): New.
17231 * alpha-protos.h: Declare it.
17232 * alpha.h (PREDICATE_CODES): Update.
17233 * alpha.md (sXaddq reload insns): Use some_ni_operand
17234 for SET_DEST instead of some_operand.
17236 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17237 Jim Wilson <wilson@cygnus.com>
17239 * genrecog.c (maybe_both_true_2): Don't compare modes of
17241 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17242 after find_afterward.
17243 (debug_decision_1): Dump next and afterward codes.
17245 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17247 * rtl.c (dump_and_abort): Remove.
17248 (fatal_with_file_and_line): New.
17249 (fatal_expected_char): New.
17250 (read_rtx_lineno, read_rtx_filename): New.
17251 (read_skip_spaces): Track line number.
17252 (read_name): Use fatal_with_file_and_line.
17253 (read_rtx): Use fatal_expected_char. Track line number.
17254 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17256 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17257 if it isn't a CODE_LABEL.
17259 * genattr.c (main): Set read_rtx_filename.
17260 * genattrtab.c (main): Likewise.
17261 * gencodes.c (main): Likewise.
17262 * genconfig.c (main): Likewise.
17263 * genemit.c (main): Likewise.
17264 * genextract.c (main): Likewise.
17265 * genflags.c (main): Likewise.
17266 * genopinit.c (main): Likewise.
17267 * genoutput.c (main): Likewise.
17268 * genpeep.c (main): Likewise.
17270 * genrecog.c (decision_test.u.insn): Add `lineno'.
17271 (pattern_lineno, error_count): New variables.
17272 (message_with_line): New.
17273 (add_to_sequence): Break out checking code to ...
17274 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17275 (merge_insn): Use message_with_line.
17276 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17277 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17279 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17281 * expr.c (store_constructor): Clear union if constructor is empty.
17283 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17285 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17286 Add !endian checks. Change %{...} to %(...).
17288 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17290 * i386.md (*addsi3_cc): Renamed from addcsi3.
17291 (*addsi3_carry): Renamed from addxsi3.
17292 (*subsi3_cc): Renamed from subcsi3.
17293 (*subsi3_carry): Renamed from subxsi3.
17294 (*xorqi_cc_1): Renamed from xorcqi_1.
17295 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17296 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17298 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17300 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17301 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17303 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17305 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17306 climb up the chain of insns.
17308 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17310 * genrecog.c (write_subroutine): Careful for null trees.
17311 (process_tree): Don't elide empty functions.
17313 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17315 * Makefile.in (genrtl.o): Depend on ggc.h.
17316 * configure.in (valloc): Probe for it.
17317 (with-gc): Use ggc-page if valloc present.
17318 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17319 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17320 (ggc_alloc_string): Moved from ggc-page.c.
17321 * ggc-none.c (ggc_alloc_obj): New.
17322 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17323 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17324 (struct globals): Likewise for dev_zero_fd.
17325 (init_ggc): Likewise for it's initialization.
17326 (ggc_allocated_p): Move careful dereference from ...
17327 (ggc_lookup_page_table): ... here. Delete.
17328 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17329 (alloc_anon): Use valloc if no mmap.
17330 (release_pages): Use free if using valloc.
17331 (ggc_alloc_obj): Renamed from alloc_obj.
17332 (ggc_set_mark): Renamed from mark_obj.
17333 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17334 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17335 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17336 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17337 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17338 (ggc_collect): Use fp printing instead of our own rounding.
17339 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17340 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17341 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17342 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17343 (struct ggc_string, struct ggc_any): Delete.
17344 (offsetof): Provide default definition.
17345 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17347 (struct ggc_mem): New, from corpse of ggc_any.
17348 (struct ggc_status): Delete.
17349 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17350 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17351 (n_strings_collected, n_anys_collected): Delete.
17352 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17353 (ggc_alloc_string, ggc_alloc): Delete.
17354 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17355 (ggc_free_string, ggc_free_any): Delete.
17356 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17357 (ggc_compare_addresses, ggc_mark_string): Delete.
17358 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17359 (search_data): Delete.
17360 (struct globals): New.
17361 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17362 (tree_insert, tree_lookup): New.
17363 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17364 (clear_marks, sweep_objs): New.
17365 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17366 (init_ggc): Set allocated_last_gc.
17367 (ggc_push_context): Gut. Use G.context.
17368 (ggc_pop_context): Likewise.
17369 (ggc_pop_context_1): New.
17370 (debug_ggc_tree): New.
17371 (debug_ggc_balance, tally_leaves): New.
17372 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17373 (ggc_mark_string_if_gcable): Remove decl.
17374 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17375 (ggc_mark_rtvec_children): New.
17376 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17377 (ggc_mark_if_gcable): New decl.
17378 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17379 (ggc_alloc_tree, ggc_alloc): Likewise.
17380 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17381 (ggc_alloc_obj): New decl.
17382 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17383 (ggc_alloc_tree, ggc_alloc): Likewise.
17384 (ggc_set_mark): New decl.
17385 * rtl.h (struct rtx_def): Remove gc_mark.
17386 (struct rtvec_def): Likewise.
17387 * tree.h (struct tree_common): Likewise.
17389 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17391 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17392 float_format and thread_file definitions.
17393 * configure: Rebuilt.
17395 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17397 * extend.texi (Function Names): Document types of function names.
17399 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17401 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17402 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17404 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17406 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17408 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17410 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17412 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17414 * collect2.c (main): Do prelimnary link on AIX if rflag.
17416 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17418 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17419 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17421 (__do_global_dtors): similarly for __DTOR_LIST__.
17423 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17424 Diego Novillo <dnovillo@cygnus.com>
17426 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17429 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17431 * fixincl/*: Merged "no_bogosity" branch
17432 * fixincl/fixlib.h: protect against doubly defining t_bool
17433 * fixincl/server.h: protect against doubly defining t_bool
17435 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17437 * genoutput.c: Include toplev.h.
17439 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17441 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17443 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17444 * configure: Regenerate.
17446 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17448 * gcse.c (delete_null_pointer_checks): Returns void.
17450 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17452 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17453 * emit-rtl.c (copy_insn_1): Likewise.
17455 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17457 * config/mips/mips.c (mips_build_va_list): Correct
17458 TREE_CHAIN setting when hard-float.
17459 (mips_va_start): Use corrected setting.
17460 (mips_va_arg): Likewise. Also pass a tree to build of
17461 POSTINCREMENT_EXPR rather than a naked 'int'.
17463 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17465 * ggc.h (ggc_push_context): Fix comment.
17466 (ggc_pop_context): Likewise.
17467 (mark_string_if_gcable): Likewise.
17468 * ggc-common.c (ggc_mark_rtx_children): Use
17469 ggc_mark_string_if_gcable.
17470 * ggc-page.c (ggc_lookup_page_table): New function.
17471 (ggc_allocated_p): Likewise.
17472 (mark_obj): Fix formatting.
17473 (ggc_mark_string_if_gcable): New function.
17474 * ggc-simple.c (ggc_allocated_strings): New variable.
17475 (ggc_strings_used): Likewise.
17476 (ggc_compare_addresses): New function.
17477 (ggc_pop_context): Pop the `any' memory too.
17478 (ggc_mark_string_if_gcable): New function.
17479 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17481 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17483 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17484 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17485 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17488 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17490 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17491 (sched_reg_live_length, sched_reg_basic_block): Delete.
17492 (current_block_num, bb_live_regs, old_live_regs): Delete.
17493 (dead_notes, struct sometimes): Delete.
17494 (sched_note_set, birthing_insn_p): Delete.
17495 (adjust_priority): Gut useless reg lifetime code.
17496 (create_reg_dead_note, attach_deaths): Delete.
17497 (attach_deaths_insn, new_sometimes_live): Delete.
17498 (finish_sometimes_live): Delete.
17499 (find_pre_sched_live, find_post_sched_live): Delete.
17500 (update_reg_usage): Delete.
17501 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17502 (schedule_insns): Delete reg lifetime code.
17503 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17504 (unlink_other_notes): Adjust REG_NOTE commentary.
17505 (reemit_notes): Use REG_SAVE_NOTE.
17506 (schedule_block): Likewise.
17507 (schedule_region): Allocate bitmap of blocks in region. Use
17508 count_or_remove_death_notes. Use update_life_info.
17510 * rtl.h (REG_SAVE_NOTE): New.
17511 * rtl.c (reg_note_name): Update.
17513 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17515 * combine.c (refresh_blocks, need_refresh): New.
17516 (combine_instructions): Allocate refresh_blocks. Invoke
17517 update_life_info if needed.
17518 (distribute_notes): Mark refresh_blocks instead of installing
17520 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17521 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17523 * Makefile.in (recog.o): Depend on basic-block.h.
17525 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17527 * genrecog.c (add_to_sequence): Thinko last change: delete
17528 shadowing allow_const_int variable.
17530 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17532 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17533 __GNUC__ and __GNUC_MINOR__.
17535 * gansidecl.h: Likewise.
17541 * toplev.h: Likewise.
17543 * tree.c: Likewise.
17545 * tree.h: Likewise.
17547 * varray.c: Likewise.
17549 * varray.h: Likewise.
17551 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17553 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17554 use one before a jump table.
17556 * rtl.def (ADDRESS): Change documentation to match reality.
17557 * md.texi: Don't document it.
17558 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17561 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17563 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17565 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17566 known predicate block; default allow_const_int true.
17567 (debug_decision_list): New.
17569 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17571 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17573 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17575 * gcse.c (gcse_main): Avoid global optimizations if we have a
17576 large number of basic blocks and the ratio of edges to blocks
17578 (delete_null_pointer_checks): Likewise.
17580 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17582 * c-common.c (check_format_info): Warn if format string isn't a
17585 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17587 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17588 * configure: regenerate
17590 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17592 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17593 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17594 (peepholes): Re-enable.
17596 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17598 * Makefile.in (flow.o): Depend on TREE_H.
17599 * basic-block.h (REG_SET_EQUAL_P): New.
17600 (XOR_REG_SET): New.
17601 (n_edges): Declare.
17602 (free_regset_vector): Remove declaration.
17603 (flow_delete_insn_chain): Declare.
17604 (enum update_life_extent): New.
17605 (update_life_info, count_or_remove_death_notes): Declare.
17606 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17607 Verify register live at bb->global_live_at_start before adding USE.
17608 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17609 (CLEAN_ALLOCA): New.
17611 (PROP_*): New flags.
17612 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17613 (clear_edges): Zero n_edges.
17614 (make_edge): Increment n_edges.
17615 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17616 (flow_delete_insn_chain): Export.
17617 (delete_block): Decrement n_edges.
17618 (merge_blocks_nomove): Likewise.
17619 (life_analysis): Give life_analysis_1 PROP flags.
17620 (verify_wide_reg_1, verify_wide_reg): New.
17621 (verify_local_live_at_start): New.
17622 (update_life_info): Rewrite to call into propogate_block.
17624 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17625 always mark stack pointer. Conditionally mark PIC register.
17626 After reload, mark call-saved registers, return regsiters.
17627 (life_analysis_1): Accept PROP flags not remove_dead_code.
17628 Call mark_regs_live_at_end before zeroing regs_ever_live.
17629 Use calculate_global_regs_live. Copy global_live_at_end before
17630 calling final propagate_block. Zero reg_next_use on exit.
17631 (calculate_global_regs_live): New.
17632 (allocate_bb_life_data): Don't allocate bb->local_set.
17633 (init_regset_vector, free_regset_vector): Remove.
17634 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17635 Test flags before every operation. Warn if prologue/epilogue insn
17636 would have been deleted.
17637 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17638 Use alloc_EXPR_LIST.
17639 (mark_used_regs): Accept and use FLAGS, not FINAL.
17640 Remove special handling for RETURN.
17641 (try_pre_increment): Use alloc_EXPR_LIST.
17642 (dump_flow_info): Dump n_edges.
17643 (unlink_insn_chain, split_hard_reg_notes): Remove.
17644 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17645 (find_insn_with_note, new_insn_dead_notes): Remove.
17646 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17647 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17648 (replace_insns): Remove.
17649 (count_or_remove_death_notes): New.
17650 (verify_flow_info): Abort on error after all checks.
17651 (remove_edge): Decrement n_edges.
17652 (remove_fake_edges): Tweak format.
17653 * haifa-sched.c (schedule_insns): Use split_all_insns.
17654 * output.h (update_life_info): Remove declaration.
17655 * recog.c (split_all_insns): From the corpse of split_block_insns,
17656 do the whole function block by block. Use update_life_info.
17657 (recog_last_allowed_insn): New.
17658 (recog_next_insn): Mind it.
17659 (peephole2_optimize): Set it. Walk backwards through blocks.
17660 Use update_life_info.
17661 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17662 (split_all_insns): Declare.
17663 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17664 Use split_all_insns.
17666 * i386.md (or -1 peep2s): Disable.
17668 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17670 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17671 a single pattern. Scrap the 'd' versions as unnecessary.
17673 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17674 tablejump_mips162,tablejump_internal4): The operands to a
17675 label_ref must be VOIDmode.
17677 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17679 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17681 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17683 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17685 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17687 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17688 cache every function if ggc_p.
17690 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17692 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17693 instead of copy_rtx. Accept sequences that contain asm statements.
17694 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17695 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17696 orig_asm_operands_vector, copy_asm_operands_vector,
17697 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17699 * rtl.h (copy_insn, copy_insn_1): Declare.
17701 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17703 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17705 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17706 arguments to `current_file_function_operand'.
17708 * genrecog.c: Include hard-reg-set.h and resource.h in the
17709 generated output file.
17711 * real.c: Include tm_p.h.
17713 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17715 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17718 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17720 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17721 before the fctiwz insn.
17723 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17724 Mark Mitchell <mark@codesourcery.com>
17726 * tree.c (make_lang_type_fn): New funtion pointer.
17727 (make_lang_type): Call it.
17728 * tree.h (make_lang_type): Declare.
17729 (make_lang_type_fn): Likewise.
17730 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17732 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17734 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17735 make sure that HIGH instructions are copied into BASE_REGS.
17737 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17739 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17741 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17743 * c-decl.c (finish_struct): Use simpler method of
17744 removing elements of a singly-linked list.
17746 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17748 * alpha.md (peephole2's): Comment out peephole2's that generate
17751 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17753 * genrecog.c (add_to_sequence): Disable mode check for
17756 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17758 * ggc-simple.c (init_ggc): Set empty_string.
17760 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17762 * configure.in: Detect mmap. Add --with-gc=foo to select
17763 garbage collector; default to page if mmap available.
17764 * Makefile.in (GGC): Substitute.
17766 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17768 * c-decl.c (ggc_p): Enable.
17770 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17772 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17774 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17776 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17777 string for little-endian-data.
17779 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17781 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17782 case somebody tries to compile --enable-checking code with gcc
17785 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17787 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17790 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17792 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17793 * jump.c (jump_optimize_1): Document why.
17795 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17797 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17798 pointers and casts for `int_handler' and `quit_handler'.
17800 * flow.c (verify_flow_info, split_hard_reg_notes,
17801 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17802 remove_edge, remove_fake_successors): Add static prototypes.
17803 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17804 (mark_set_1): Initialize variable `regno'.
17805 (unlink_insn_chain): Likewise for variable `curr'.
17806 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17808 * loop.c (strength_reduce): Initialize variable
17809 `unrolled_insn_copies'.
17810 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17811 prototypes. Change these functions to take const PTR parameters
17812 to avoid prototype conflict when used as the comparson argument
17814 (check_dbra_loop): Initialize variable `comparison_val'.
17816 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17817 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17818 (find_valid_class): Initialize variable `best_class'.
17819 (find_reloads): Call memcpy, not bcopy.
17821 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17822 (hard_reg_use_compare): Don't needlessly cast away const.
17823 (reload_reg_class_lower): Likewise.
17824 (choose_reload_regs): Initialize variable `regno'.
17826 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17828 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17830 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17832 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17833 ({,d}discard): Add forward declarations. Declare parameter as
17835 (main_without_main): Explicitly declare return type to be int.
17836 (memcpy): Properly declare.
17838 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17839 building the trampoline support, declare malloc, free, and
17841 (__clear_cache): Mark arguments as potentially unused.
17843 * frame.c (toplevel): If inhibit_libc is defined, declare
17846 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17848 * flow.c (make_edge): Accept an optional 2D bitmap in which
17849 to cache edge existence. Update all callers.
17850 (make_label_edge, make_eh_edge): Pass through the edge cache.
17851 (make_edges): Provide the cache.
17853 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17855 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17857 (local_mbtowc): Change the type of variable `i' from int to size_t.
17859 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17860 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17862 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17864 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17865 after other includes that define the appropriate types. Include
17866 tm_p.h for getting user prototypes.
17867 * ggc-callbacks.c (toplevel): Ditto.
17868 * ggc-none.c (toplevel): Ditto.
17869 * gcc-page.c (toplevel): Ditto.
17870 * ggc-simple.c (toplevel): Ditto.
17872 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17873 Jonathan Larmour <jlarmour@cygnus.co.uk>
17875 * config/mips/mips.c (mips_move_2words): Split doubles if
17876 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17878 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17880 * genrecog.c (struct decision_test): New.
17881 (struct decision): Remove test-related members, sort the rest by size.
17882 (IS_SPLIT): Simplify.
17883 (new_decision, new_decision_test): New.
17884 (add_to_sequence): Use them. No special handling for args of
17886 (maybe_both_true): Renamed from not_both_true; return sense changed.
17887 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17888 of maybe_both_true and adjusted for decision_test.
17889 (position_merit): Remove.
17890 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17891 (merge_accept_insn): New, broken out of merge_trees.
17892 (merge_trees): Use them. No special case for c_test; no node
17893 splitting; use test type instead of position_merit.
17894 (factor_tests): New.
17895 (simplify_tests): New.
17896 (break_out_subroutines): Don't write code now.
17897 (find_afterward): New.
17898 (write_afterward, write_switch, write_cond): New.
17899 (write_action, is_unconditional): New.
17900 (write_node): New. Use them.
17901 (write_tree_1): Rewrite. Use the new functions above.
17902 (write_tree): Remove afterward processing.
17903 (write_subroutine): Simplify function variant emission.
17904 (write_subroutines): New.
17905 (same_codes, clear_codes): Remove.
17906 (same_modes, clear_modes): Remove.
17907 (write_header): New, broken out of main.
17908 (make_insn_sequence): Use new_decision and new_decision_test.
17909 (process_tree): New, broken out of main.
17910 (main): Adjust for merge_trees interface change.
17911 Don't #define operands in the output file.
17912 (record_insn_name): New, broken out of make_insn_sequence.
17913 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17914 (debug_decision): New.
17916 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17918 * resource.c (find_free_register): Mark class_str argument const.
17919 * resource.h: Update prototype to match.
17921 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17922 * i386.md: Give all anonymous insns names.
17924 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17926 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17929 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17931 * toplev.c (dbr_sched_time): Unconditional.
17932 (peephole2_time): New.
17933 (compile_file): Add pass numbers to all of the dump file suffixes.
17934 Dump peephole2_time. Don't dump times for non-applicable passes.
17935 (rest_of_compilation): Add pass numbers to dump file suffixes.
17936 Conditionalize calls to the scheduler.
17937 * invoke.texi: Update.
17939 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17941 * flow.c (make_edges): Fix insn iteration.
17942 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17943 (find_basic_blocks_1): Fix spelling mistake.
17945 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17947 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17948 always have side-effects. Use memset not bzero.
17949 (make_node): Likewise.
17951 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17953 * stmt.c (expand_anon_union_decl): When any of the elements of the
17954 union is addressable, so is the entire union.
17956 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17958 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17960 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17961 * bitmap.c (bitmap_operation): Return true iff TO changed.
17962 (bitmap_equal_p): New.
17963 (bitmap_bit_p): Tidy arithmetic.
17964 (debug_bitmap_file): Likewise.
17966 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17968 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17969 before cse2 instead of after.
17971 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17973 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17976 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17978 * cppinit.c (is_idchar initializer): Loosen tests to accept
17981 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17983 * mips.md: Define conditional move patterns for floating point
17984 operands and DI mode conditions.
17986 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17988 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17989 always have side-effects.
17991 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17993 * mn10200.c (asm_file_start): Fix typo.
17995 * cppinit.c (is_idchar initializer): Tighten tests for when
17996 to put the table into initialized memory.
17998 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17999 not an array of rtunion.
18000 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18001 * gcc-simple (ggc_free_rtvec): Similarly.
18003 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18006 * mbchar.h: Add missing #endif.
18008 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18009 (FPBIT, DPBIT): Define.
18011 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18013 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18015 * profile.c (instrument_arcs, output_gcov_string,
18016 tablejump_entry_p): Add static prototypes.
18017 (output_gcov_string): Constify a char*.
18019 * regmove.c (replacement_quality, fixup_match_2): Add static
18022 * resource.h (reg_dead_p): Add extern prototype.
18024 * rtl.c (trim_filename): Add static prototype.
18026 * scan-decls.c (skip_to_closing_brace): Likewise.
18028 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18029 (expand_end_case): Initialize variable `range'.
18030 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18032 * varasm.c (asm_emit_uninitialised): Add static prototype.
18033 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18036 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18038 * cpplib.c (if_directive_nameo): Add static prototype.
18040 * cse.c (cse_insn): Remove unused variable `p'.
18042 * except.c (create_rethrow_ref, push_entry,
18043 receive_exception_label, new_eh_region_entry, find_func_region,
18044 clear_function_eh_region, process_nestinfo): Add static prototypes.
18045 (get_reg_for_handler): Hide definition.
18046 (process_nestinfo): Initialize variable `extra_handlers'.
18048 * expr.h (expand_builtin_longjmp): Add extern prototype.
18050 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18052 * function.c (prepare_function_start): Likewise.
18053 (pop_function_context_from): Mark parameter `context' with
18055 (push_temp_slots_for_block, flush_addressof): Hide definition.
18057 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18058 solve_program_flow_graph, calculate_branch_probs,
18059 function_summary, main, fancy_abort): Add prototypes.
18061 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18062 (add_hash): Constify a char*.
18064 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18065 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18066 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18068 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18070 * lists.c (free_list, zap_lists): Likewise.
18072 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18074 * alias.c (nonlocal_reference_p): Add static prototype.
18076 * bitmap.c (bitmap_element_allocate): Prototype args in function
18079 * builtins.c (stabilize_va_list): Add static prototype.
18080 (expand_builtin_va_arg): Constify a char*.
18082 * c-lex.c (getch, put_back, extend_token_buffer_to,
18083 read_line_number, token_getch, token_put_back): Add static
18086 * c-parse.gperf (hash, is_reserved_word): Likewise.
18088 * cccp.c (is_dir_separator): Likewise.
18090 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18092 * graph.h: New file to prototype functions exported by graph.c.
18094 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18096 * graph.c: Include graph.h.
18098 * toplev.c: Likewise. Remove redundant prototypes.
18100 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18102 * invoke.texi: Removed duplicated description for -Q.
18104 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18106 * extend.texi: Grammar fix in __extension__ text.
18108 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18110 * md.texi (define_peephole2): New section.
18112 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18114 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18115 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18118 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18120 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18122 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18124 * i386.md (ffs expander): Emit Pentium friendly code for
18127 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18129 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18131 (build1): Likewise.
18133 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18135 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18137 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18139 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18140 register is in use.
18142 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18144 * md.texi (No Constraints): Delete section.
18145 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18146 * final.c (final_scan_insn): We always have register constraints.
18147 * genattrtab.c: Don't include "insn-config.h".
18148 (write_attr_case): We always have register constraints.
18149 * genconfig.c (register_constraint_flag): Delete.
18150 (walk_insn_part): Don't check whether we have register constraints.
18151 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18152 * genoutput.c (have_constraints): Delete.
18153 (main): Don't set it.
18154 (output_operand_data): We always have constraints.
18155 (scan_operands): Likewise.
18156 (compare_operands): Likewise.
18157 * local-alloc.c (block_alloc): We always have constraints.
18158 (requires_inout): Always compile this function.
18159 * recog.c (extract_insn): We always have constraints.
18160 (constrain_operands, reg_fits_class_p): Always compile these
18162 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18164 (struct insn_operand_data): Likewise.
18165 * regclass.c (regclass): We always have constraints.
18166 (record_reg_classes, copy_cost, record_address_regs,
18167 auto_inc_dec_reg_p): Always compile these functions.
18168 * regmove.c (regmove_optimize): We always have constraints.
18169 * reload.c (find_reloads): Likewise.
18170 * reload1.c (reload): Likewise.
18171 (reload_cse_simplify_operands): Likewise.
18172 * i860.c (output_delay_insn): Likewise.
18174 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18176 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18178 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18180 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18181 for the va_list record.
18183 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18185 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18188 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18190 * alias.c: Include insn-flags.h.
18191 * Makefile.in (alias.o): Update.
18193 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18195 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18196 to LTU and GEU. Handle more cases using sbb.
18198 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18200 * i386.md (truncatexfdf splitters): Do not use subreg.
18201 (fop XFmode patterns): Fix mode in operand testing.
18203 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18205 * jump.c (jump_optimize_1): Amend last change to test only the
18206 form of the operand, not the insn.
18208 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18209 not register_operand to determine when B may need preloading.
18211 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18213 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18214 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18215 (call-value patterns): Move to end of file.
18216 (*): Remove mode from label_ref in (pc) context.
18217 (movstrqi): Use memory not general_operand for BLKmode operands.
18218 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18219 to register_operand operands.
18220 (peep2 patterns): Convert from commented-out peephole patterns.
18222 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18224 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18225 to BUILT_IN_INIT_DWARF_REG_SIZES.
18226 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18227 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18228 expand_builtin_init_dwarf_reg_sizes.
18229 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18230 with __builtin_init_dwarf_reg_size_table.
18231 * dwarf2out.c (struct reg_size_range): Delete.
18232 (expand_builtin_init_dwarf_reg_sizes): New function.
18233 (expand_builtin_dwarf_reg_size): Delete.
18234 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18235 (expand_builtin_dwarf_reg_size): Don't declare.
18236 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18237 (dwarf_reg_size_table): New.
18238 (init_reg_size_table): New function.
18239 (copy_reg): Use dwarf_reg_size_table.
18240 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18243 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18245 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18246 Correctly build argument list to constructor and destructor functions.
18248 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18250 * c-tree.h (warn_float_equal): Declare.
18251 * c-decl.c (warn_float_equal): Define.
18252 (c_decode_option): Recognize -W[no-]float-equal.
18253 * c-typeck.c (build_binary_op): Conditionally warn
18254 about equality tests of floating point types.
18255 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18256 * invoke.texi: Add docs for -Wfloat-equal warning.
18258 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18260 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18261 generating RTL directly.
18262 * mips.h (INIT_TARGET_OPTABS): Likewise.
18263 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18265 * expr.h (init_mov_optab): Delete declaration
18267 * h8300.c (WORD_REG_USED): Update to avoid useless register
18268 saves in interrupt functions and functions which never return.
18270 * cse.c (struct set): Delete inner_dest_loc field.
18271 (cse_insn): Remove assignments to inner_dest_loc field.
18273 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18275 * ggc-page.c: Don't include <unistd.h> etc taken care of
18276 by "system.h". Include <sys/mman.h> afterward.
18278 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18280 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18283 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18285 * xcoffout.c (xcoffout_declare_function): Add documentation.
18286 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18287 TARGET_64BIT. Compare constant to -1, not bit pattern.
18288 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18289 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18292 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18294 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18295 origin_die is NULL.
18296 (gen_inlined_enumeration_type_die): Do not abort if the type has
18297 not been writeen out.
18298 (gen_inlined_structure_type_die): Do not abort if the type has
18299 not been writeen out.
18300 (gen_inlined_union_type_die): Do not abort if the type has
18301 not been writeen out.
18302 (gen_tagged_type_instantiation_die): Do not abort if the type
18303 has not been written out.
18305 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18307 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18309 * reg-stack.c (straighten_stack): Copy hard reg set with
18312 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18314 * builtins.c (stabilize_va_list): Stabilize array type va_list
18315 to a pointer type, not the base record type.
18316 (expand_builtin_va_copy): Dereference the pointers explicitly;
18317 use the correct size for the copy.
18319 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18320 (rs6000_va_arg): Likewise.
18322 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18324 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18326 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18328 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18330 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18332 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18334 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18335 (init_ggc): Use it instead of a constant.
18336 (ggc_collect): Bound allocated_last_gc by it.
18338 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18340 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18343 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18345 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18346 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18347 * configure: Regen.
18348 * config/mips/openbsd.h: New, OpenBSD little endian target.
18349 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18350 * config/mips/xm-openbsd.h: New, OpenBSD host.
18352 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18354 * config/m68k/m68k.c (output_function_prologue,
18355 output_function_epilogue): Use
18356 current_function_uses_pic_offset_table instead of regs_ever_live
18357 to decide whether to save/restore pic register.
18358 (legitimize_pic_address): Don't modify regs_ever_live any more.
18360 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18362 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18363 * stor-layout.c (variable_size): Don't add sizes to the pending
18364 sizes list if x_dont_save_pending_sizes_p is set.
18366 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18368 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18369 for symbolic_operand().
18370 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18372 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18374 * combine.c (gen_rtx_combine): Add missing call to va_end().
18376 * final.c (asm_fprintf): Likewise.
18378 * genattrtab.c (attr_rtx): Likewise.
18380 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18382 * cse.c: Update comments.
18383 (cse_insn): When converting a conditional/computed jump into
18384 an unconditional jump, always make sure a BARRIER immediately
18385 follows the converted jump. Do not delete unreachable code.
18386 (cse_basic_block): Do not delete unreachable code.
18387 * toplev.c (rest_of_compilation): Move call to
18388 delete_trivially_dead_insns after the conditional call to
18391 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18393 * collect2.c (make_temp_file): Don't prototype.
18395 * gcc.c (make_temp_file): Likewise.
18397 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18399 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18401 * varasm.c (asm_emit_uninitialised): New function: Generate
18402 the assembler statements necessary to declare an uninitialised
18404 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18406 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18407 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18409 (assemble_variable): Use asm_emit_uninitialised to emit an
18410 uninitialised variable.
18412 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18414 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18415 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18416 <geoffk@cygnus.com>.
18418 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18420 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18421 * c-common.h (builtin_function): Don't declare.
18423 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18425 (pushdecl): Likewise.
18426 (finish_decl): Likewise.
18427 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18428 int. All callers changed.
18429 Set the builtin's DECL_BUILT_IN_CLASS.
18430 * tree.h (enum built_in_class): New.
18431 (enum built_in_function): Delete NOT_BUILT_IN.
18432 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18434 (DECL_SET_FUNCTION_CODE): Likewise.
18435 (DECL_BUILT_IN_CLASS): New macro.
18436 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18437 (struct tree_decl): Split builtin function code field into a
18439 (builtin_function): Declare.
18441 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18443 * optabs.c (init_traps): Fix typo in last change.
18445 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18447 * toplev.c (rest_of_decl_compilation): Update comment.
18449 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18451 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18452 in .sbss if appropriate.
18453 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18454 (SBSS_SECTION_ASM_OP): New macro.
18455 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18456 (EXTRA_SECTIONS): Add in_sbss.
18457 * config/mips/mips.h: Prototype sbss_section.
18459 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18461 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18464 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18466 * optabs.c (init_traps): Register trap_rtx as a GC root.
18468 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18470 * config/mips/mips.c (function_arg_pass_by_reference): Define
18471 unconditionally, since it's called unconditionally.
18473 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18475 * toplev.c (documented_lang_options): Add -fshort-wchar.
18476 * c-decl.c (c_decode_option): Likewise.
18477 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18479 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18480 * gcc.c (default_compilers): If -fshort-wchar,
18481 override __WCHAR_TYPE__.
18482 * tm.texi (C Dialect Options): Add -fshort-wchar.
18484 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18485 symbol for a variable.
18487 * cpplib.h (CPP_PREPROCESSED): New macro.
18488 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18489 we're seeing this input for a second time.
18491 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18493 * emit-rtl.c (init_emit_once): Initialize modes first.
18495 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18497 * config/i386/i386.c (pic_label_name): Change to char pointer.
18498 (global_offset_table): New variable.
18499 (load_pic_register): Fill global_offset_table if it hasn't
18500 already been done. Allocate pic_label_name dynamically.
18501 * ggc.h (empty_string): New variable.
18502 * ggc-simple.c (empty_string): Likewise.
18503 (init_ggc): Allocate empty_string and add as root.
18504 * stmt.c (digit_strings): New variable.
18505 (init_stmt): Add last_block_end_note as root. Allocate and
18506 initialize digit_strings.
18507 (expand_asm_operands): Use empty_string instead of string
18508 constant. Use digit_strings instead of string constants.
18509 * profile.c (init_arc_profiler): Allocate string with
18510 ggc_alloc_string instead of xmalloc.
18511 (output_func_start_profiler): Likewise.
18512 * c-typeck.c (digest_init): Check if init is error_mark_node.
18514 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18515 Richard Henderson <rth@cygnus.com>
18517 * ggc-page.c: New file.
18518 * Makefile.in (ggc-page.o): New.
18520 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18522 * invoke.texi: Document -fdelete-null-pointer-checks
18523 * toplev.c (flag_delete_null_pointer_checks): New.
18524 (f_options): Add entry for -fdelete-null-pointer-checks.
18525 (rest_of_compilation): Conditionalize null pointer check
18526 elimination on flag_delete_null_pointer_checks.
18527 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18529 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18531 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18532 copyright notice and special exception to GPL.
18534 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18536 * abi64.h (mips_function_value): Add prototype arguments.
18538 * mips-protos.h: New file with mips prototypes.
18540 * mips.c: Include "tm_p.h".
18541 (mktemp, lookup_name): Add prototype arguments.
18542 (extern_list, string_constant, mips_fill_delay_slot,
18543 mips_output_external, mips_output_external_libcall,
18544 mips_output_filename, mips_declare_object, function_prologue,
18545 mips_expand_prologue, function_epilogue, mips16_constant,
18546 build_mips16_function_stub, mips_output_conditional_branch):
18548 (mips_va_start): Remove unused variable `u'.
18549 (mips_va_arg): Cast value to unsigned when comparing against one.
18551 (save_restore_insns, mips_expand_prologue): Add missing arg in
18552 call to `large_int'.
18554 * mips.h: Move prototypes to mips-protos.h.
18555 (data_section, memory_address_p, rdata_section,
18556 readonly_data_section, simple_epilogue_p, text_section): Delete
18557 prototypes delcared elsewhere.
18558 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18560 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18562 * mips.md: Delete extra args in call to `mips_move_2words'.
18564 * xm-iris6.h (alloca): Add prototype argument.
18566 * genpeep.c: Include "tm_p.h" in generated output file.
18568 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18570 * basic-block.h (find_edge_index): Change parameters.
18571 * flow.c (verify_edge_list): Pass basic_block parameters to
18572 find_edge_index instead of integers.
18574 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18576 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18579 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18581 * gcc.1: Fix a formatting error.
18583 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18585 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18586 i786, mn10200, mn10300, pdp11, v850.
18588 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18590 * libgcc2.c (num_digits): Add prototype with
18591 __attribute__((const)).
18592 (__terminate): Add prototype.
18594 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18596 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18598 * alpha/alpha.c (print_operand): Fix type of `code'.
18599 (alpha_output_filename): Constify.
18600 * alpha/alpha.h: Move all function declarations ...
18601 * alpha/alpha-protos.h: ... here. New file.
18602 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18603 (SECTION_FUNCTION_TEMPLATE): Likewise.
18605 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18607 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18608 * expr.c (expand_expr): Likewise.
18609 (do_jump): Likewise.
18610 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18611 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18613 (enum can_compare_purpose): New.
18614 (can_compare_p): Adjust prototype.
18615 (prepare_cmp_insn, prepare_operand): Declare.
18616 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18617 * optabs.c (cmp_available_p): Deleted.
18618 (expand_abs): Pass ccp_jump to can_compare_p.
18619 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18620 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18621 Call can_compare_p rather than cmp_available_p.
18622 (prepare_operand): No longer static.
18623 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18624 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18625 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18626 sequence to use emit_cmp_and_jump_insns.
18627 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18629 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18631 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18632 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18633 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18634 (plus (reg) (const_int 0))
18635 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18637 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18639 * rs6000.c (expand_block_move): DImode loads and stores require
18640 word-aligned displacements. Increment address registers with
18641 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18643 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18645 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18646 is no name for the base type, rather than segfault. If we are
18647 writing out a complex integer type, use DW_ATE_lo_user.
18649 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18650 in one word or less (complex char, complex short, or on 64 bit
18651 systems complex float) to/from a hard register, copy it through
18652 memory instead of dying in gen_{real,imag}part. If we have a
18653 short complex type, prevent inlining since it allocates stack
18656 * tree.c (build_complex_type): If we are writing dwarf2 output,
18657 generate a name for complex integer types.
18659 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18661 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18662 * flow.c (remove_edge): Remove extra whitespace.
18663 (remove_fake_edges): Fix comment.
18664 (add_noreturn_fake_exit_edges): Use the correct name.
18666 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18668 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18669 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18670 (clean): Depend on INTL_CLEAN.
18671 (maintainer-clean): Adjust.
18673 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18675 * configure.in (AC_PREREQ): Bump to 2.13.
18676 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18678 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18680 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18682 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18684 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18685 (HAVE_STRINGIZE): Define.
18687 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18689 * c-parse.in: save and restore warn_pointer_arith on __extension__
18690 along with pedantic.
18691 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18692 Set the type of extension to itype rather than $<itype>1 kludge.
18693 * extend.texi (Alternate Keywords): Adjust documentation.
18694 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18696 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18698 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18699 most assembler templates.
18701 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18702 FP loads and stores.
18703 (following_call): Always return zero for the PA8000.
18704 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18705 FP loads and stores.
18706 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18708 * pa.h (BRANCH_COST): Define.
18710 * pa.md (return, return_internal): Use bve for PA2.0.
18712 * pa.md (fused multiply): Add variants which reduce height for the
18713 fused multiply, but which still generate 2 insns.
18714 (fnegabs): Similarly.
18716 * pa.md (subsi3): Turn into an expander. Create two anonymous
18717 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18718 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18720 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18722 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18724 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18725 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18727 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18730 * flow.c (record_active_eh_regions): Terminate loop after finding
18731 the last insn in the last basic block.
18733 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18735 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18737 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18739 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18741 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18743 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18744 splitting to not use output template.
18746 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18748 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18749 * config/c4x/c4x.c (c4x_va_start): New function.
18751 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18753 * genrecog.c (not_both_true): Handle correctly cases when called for
18754 tests with different positions in the insn.
18756 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18758 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18760 * system.h (HOST_PTR_PRINTF): ... to here.
18762 * mips-tfile.c: Don't include machmode.h.
18764 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18765 (mips-tfile.o): Don't depend on machmode.h.
18767 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18769 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18770 avoid conflicts with typedef struct `region' at the top level scope.
18772 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18774 * basic-block.h (basic_block): Add eh_beg, eh_end.
18775 * flow.c (entry_exit_blocks): Update.
18776 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18777 Call new functions.
18778 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18779 lists.c functions to allocate insn lists.
18780 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18782 (make_eh_edge): ... here. New.
18783 (move_stray_eh_region_notes): New.
18784 (record_active_eh_regions): New.
18785 (delete_unreachable_blocks): Split out block merging ...
18786 (try_merge_blocks): ... here. New.
18787 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18788 Dump debugging data.
18789 (merge_blocks_move_successor_nojumps): Likewise.
18790 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18792 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18794 * extend.texi (Bound member functions): Document unbound pmf
18797 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18799 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18800 has the EXIT_BLOCK as a dest.
18802 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18804 * flow.c (remove_edge): New function to remove an edge from the
18806 (remove_fake_successors): New function to remove fake successor edges.
18807 (remove_fake_edges): New function to remove all fake edges from the
18809 (add_fake_exit_edges): New function to add fake edges from all blocks
18810 with no successors to the exit block.
18811 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18812 prototypes for new functions.
18814 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18816 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18817 Use Pmode to determine whether to output .dword or .word.
18819 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18821 * tree.c (built_in_filename): New variable.
18822 (BUILT_IN_FILENAME): New macro.
18823 (init_tree_codes): Allocate built_in_filename.
18824 (make_node): Use built_in_filename instead of string constant.
18826 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18828 * configure.in: Add fr30 target.
18829 * configure: Regenerate.
18830 * config/fr30: New directory.
18831 * config/fr30/crti.asm: New file.
18832 * config/fr30/fr30.c: New file.
18833 * config/fr30/crtn.asm: New file.
18834 * config/fr30/fr30.h: New file.
18835 * config/fr30/fr30.md: New file.
18836 * config/fr30/lib1funcs.asm: New file.
18837 * config/fr30/t-fr30: New file.
18838 * config/fr30/xm-fr30.h: New file.
18840 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18842 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18843 BARRIER at the end of the successor, not the BARRIER before
18846 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18848 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18850 * stmt.c (any_pending_cleanups): Don't crash when
18851 current_function->stmt is unset.
18853 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18855 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18856 other initializations that may use it for relative offsets.
18858 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18860 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18861 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18862 * config/i386/sol2dbg.h: Removed.
18863 * config/i386/sol2gas.h: New file, to enable gas work-around.
18864 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18865 Don't use sol2dbg.h.
18866 * configure: Rebuilt.
18868 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18870 * invoke.texi (-fthis-is-variable): Remove documentation.
18872 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18874 * basic-block.h (compute_bb_for_insn): Declare.
18875 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18876 to use; set size of basic_block_for_insn directly.
18877 (find_basic_blocks): Update.
18879 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18881 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18883 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18885 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18886 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18888 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18890 * c-decl.c (c_decode_option): Extend comment.
18892 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18894 * toplev.c (progname): Make 'const char *'
18895 (flag_print_mem): Move out of main.
18896 (version_flag): Move out of main.
18897 (filename): Move out of main.
18898 (debug_args): Remove g prefix from options.
18899 (documented_lang_options): Remove cpplib specific options.
18900 (display_help): Add g prefix to debug options.
18901 (check_lang_option): Delete this function.
18902 (decode_d_option): New function: Decode -d... option.
18903 (decode_f_option): New function: Decode -f... option.
18904 (decode_W_option): New function: Decode -W... option.
18905 (decode_g_option): New function: Decode -g... option.
18906 (independent_decode_option): New function: Decode a language
18907 independent command line option.
18908 (main): Invoke lang_decode_option and then
18909 independent_decode_option on each command line option in
18912 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18914 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18915 * fold-const.c (fold_range_test): Do not try to fold the range
18916 test if the rhs or lhs has side effects.
18918 * basic-block.h (compute_flow_dominators): Declare.
18920 * gcse.c (alloc_code_hoist_mem): New function.
18921 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18922 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18923 (hoist_code, one_code_hoisting_pass): Likewise.
18924 (gcse_main): If optimizing for size, then hoist expressions
18925 computed in multiple dominated basic blocks.
18927 * gcse.c (invalid_nonnull_info): New function.
18928 (delete_null_pointer_checks): Likewise.
18929 * rtl.h (delete_null_pointer_checks): Declare.
18930 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18932 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18933 (merge-blocks_move_successor_nojumps): Likewise.
18934 (merge_blocks): Allow merging of some blocks, even if it requires
18935 physical movement of the blocks, but not if it requires new jumps.
18937 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18938 Callers and prototype changed.
18939 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18941 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18943 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18944 -YP when both -p and -pg are present. From i386/sol2.h.
18946 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18948 * Makefile.in (distclean): Delete tm_p.h.
18949 * configure.in: Create a new file, "tm_p.h", from a list in
18950 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18951 "i386/i386-protos.h".
18953 * alias.c: Include "tm_p.h".
18954 * c-typeck.c: Likewise.
18955 * calls.c: Likewise.
18957 * emit-rtl.c: Likewise.
18958 * explow.c: Likewise.
18959 * expmed.c: Likewise.
18960 * expr.c: Likewise.
18961 * final.c: Likewise.
18962 * flow.c: Likewise.
18963 * fold-const.c: Likewise.
18964 * function.c: Likewise.
18965 * gcse.c: Likewise.
18966 * global.c: Likewise.
18967 * haifa-sched.c: Likewise.
18968 * integrate.c: Likewise.
18969 * jump.c: Likewise.
18970 * local-alloc.c: Likewise.
18971 * loop.c: Likewise.
18972 * optabs.c: Likewise.
18973 * recog.c: Likewise.
18974 * reg-stack.c: Likewise.
18975 * regclass.c: Likewise.
18976 * regmove.c: Likewise.
18977 * reload.c: Likewise.
18978 * reload1.c: Likewise.
18979 * reorg.c: Likewise.
18980 * resource.c: Likewise.
18981 * stmt.c: Likewise.
18982 * stor-layout.c: Likewise.
18983 * toplev.c: Likewise.
18984 * tree.c: Likewise.
18985 * unroll.c: Likewise.
18986 * genattrtab.c (main): Make generated file include "tm_p.h".
18987 * genemit.c (main): Likewise.
18988 * genoutput.c (main): Likewise.
18989 * genrecog.c (main): Likewise.
18991 * i386.h: Delete all prototypes.
18992 * i386.c: Include "tm_p.h".
18993 (ix86_attr_length_default): Call constant_call_address_operand
18994 with correct number of arguments.
18995 * i386-protos.h: New file.
18996 * i386.md (unnamed patterns): Call constant_call_address_operand
18997 with correct number of arguments.
18998 (exception_receiver): Call load_pic_register with correct number
19001 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19003 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19005 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19007 * rtl.h (insns_safe_to_move_p): New function.
19008 * loop.c (find_and_verify_loops): Use it.
19009 * rtlanal.c (insns_safe_to_move_p): Define it.
19011 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19013 * c-pragma.c: Include ggc.h.
19014 * Makefile.in (c-pragma.o): Update.
19016 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19018 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19019 (LIB_SPEC): Likewise.
19020 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19021 Reindent -YP/-p/-pg.
19022 Copied from config/sparc/sol2.h.
19024 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19026 * c-pragma.c (mark_align_stack): New.
19027 (init_pragma): New.
19028 * c-pragma.h (init_pragma): Declare it.
19029 * c-lex.c (init_parse): Call it.
19031 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19033 * configure.in: Pick up thread library on Solaris/x86 just
19034 like on Solaris/sparc.
19035 * configure: Rebuilt.
19037 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19039 * rtl.h (global_rtx_index): New enum.
19040 (global_rtl): Change to array of rtx.
19041 (pc_rtx, cc0_rtx): Redefine accordingly.
19042 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19043 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19044 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19045 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19046 (const_int_rtx): Change to array of rtx.
19047 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19049 * emit-rtl.c (global_rtl): Change to array of rtx.
19050 (const_int_rtx): Change to aray of rtx.
19051 (gen_rtx_CONST_INT): Redefine accordingly.
19052 (init_emit_once): Allocate and initialize global_rtl. Likewise
19053 for const_int_rtx. Add both as GC roots.
19054 * genattrtab.c (global_rtl): Update declaration.
19056 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19058 * Makefile (USER_H): Add iso646.h back.
19060 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19062 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19063 zapping the LOG_LINKS of sched_before_next_call.
19065 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19066 * pa.c (insn_refs_are_delayed): Renamed from
19067 insn_sets_and_refs_are_delayed.
19069 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19071 * functiion.h (struct function): Add x_whole_function_mode_p.
19072 (retrofit_block): Declare.
19073 * function.c (retrofit_block): New function.
19074 (identify_blocks): Add assertions. Allow an incomplete set of
19075 block notes if we're still generating code for the function.
19076 * integrate.c: Include loop.h.
19077 (expand_inline_function): Call find_loop_tree_blocks to map block
19078 notes to blocks when in whole-function mode. Use retrofit_block
19079 to insert new BLOCKs for the inlined function, rather than
19081 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19082 * Makefile.in (integrate.o): Depend on loop.h.
19084 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19086 * tree.h (warn_about_unused_variables): Declare.
19087 * stmt.c (warn_about_unused_variables): New function, split out
19089 (expand_end_bindings): Here.
19091 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19093 * stmt.c (preserve_subexpressions_p): Don't crash when
19094 current_function->stmt is unset.
19096 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19098 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19099 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19100 (expand_start_target_temps): Use it.
19101 * except.c (expand_eh_region_start_for_decl): Likewise.
19102 * expr.c (expand_expr): Likewise.
19104 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19106 * fold-const.c (operand_equal_p): Pay attention to side effects.
19108 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19110 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19111 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19113 * tlink.c (scan_linker_output): Look for keywords before accepting
19114 a mangled name in quotes.
19116 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19118 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19119 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19121 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19123 * alpha.md: Revert Thu Nov 26 change that came in through the
19124 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19125 Avoid earlyclobber when possible.
19127 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19129 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19131 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19132 Define HAVE_ON_EXIT.
19134 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19136 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19137 CTYPE_CONV in all ctype macros.
19139 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19142 * cexp.y (initialize_random_junk): Likewise.
19144 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19146 * i370.c (handle_pragma): Likewise.
19148 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19150 * v850.c (override_options): Likewise.
19152 * doprint.c (_doprnt): Likewise.
19154 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19157 * fixinc/server.c (load_data): Likewise.
19159 * fold-const.c (real_hex_to_f): Likewise.
19161 * genattr.c (write_upcase, gen_attr): Likewise.
19163 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19164 write_upcase): Likewise.
19166 * genemit.c (print_code): Likewise.
19168 * genopinit.c (gen_insn): Likewise.
19170 * genpeep.c (print_code): Likewise.
19172 * genrecog.c (print_code): Likewise.
19174 * optabs.c (init_libfuncs): Likewise.
19176 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19178 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19180 (reemit_notes): Likewise.
19182 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19184 * ggc.h (ggc_root): Move to ggc-common.c.
19186 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19187 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19188 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19189 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19190 * ggc-common.c (ggc_root): Move from ggc.h.
19191 (roots): Declare, static.
19192 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19193 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19194 null or check/set mark bit.
19195 (ggc_mark_roots): New.
19196 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19198 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19200 * m32r.c: Include toplev.h.
19201 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19202 (gen_compare): Rename swap_p to must_swap to match uses.
19203 Add default abort case.
19204 (m32r_output_function_epilogue): Remove unused variables.
19205 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19206 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19207 define to empty parameter list. Update all uses.
19208 (predicate decls): Use enum machine_mode not int.
19209 * m32r.md (movsi): Call abort, not fatal_insn.
19210 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19212 1999-09-14 Andrew Haley <aph@cygnus.com>
19214 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19215 use $0 instead of 0.
19217 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19219 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19220 computation out of loop over hard regs.
19222 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19224 * function.c (identify_blocks): Don't shadow a variable in an
19226 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19227 pushdecl, or poplevel to build up the new BLOCK tree.
19228 (expand_inline_function): Likewise.
19229 (integrate_parm_decls): Likewise.
19231 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19233 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19235 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19237 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19238 * invoke.texi: Document this change.
19240 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19242 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19244 (mark_emit_status): Renamed from mark_emit_state.
19245 * except.c (mark_eh_status): Renamed from mark_eh_state.
19246 Check not null before marking.
19247 (free_eh_status): New.
19248 * expr.c (mark_expr_status, free_expr_status): New.
19249 * function.c (free_machine_status): New.
19250 (free_after_parsing): New.
19251 (free_after_compilation): Move bits to free_after_parsing; call
19252 free_eh_status, free_expr_status; zero the marked members of the
19254 (prepare_function_start): No can_garbage_collect.
19255 Call init_eh_for_function.
19256 (expand_dummy_function_end): Free up current_function state.
19257 (mark_function_status): Renamed from mark_function_state.
19258 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19259 * function.h (struct function): No can_garbage_collect.
19260 (free_machine_status, free_after_parsing): Declare.
19261 (free_eh_status, free_expr_status): Declare.
19262 * ggc.h (mark_expr_status): Declare.
19263 * stmt.c (free_stmt_status): Free the struct.
19264 (mark_stmt_status): Renamed from mark_stmt_state.
19265 (init_stmt): Don't call init_eh.
19266 (init_stmt_for_function): Don't call init_eh_for_function.
19267 * toplev.c (compile_file): Call init_eh.
19268 (rest_of_compilation): Free basic block info before ggc_collect.
19269 Call free_after_parsing; conditionally call free_after_compilation.
19270 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19271 Check not null before marking.
19272 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19274 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19276 * c-lex.c (yylex): Initialize warn.
19278 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19280 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19281 register when performing secondary reloads for the SAR register.
19283 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19285 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19286 (NOTE_BLOCK): New macro.
19287 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19288 * function.h (identify_blocks): Change prototype.
19289 * function.c (identify_blocks): Simplify.
19290 (reorder_blocks): Likewise.
19291 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19292 NOTE_INSN_BLOCK_{BEG,END}.
19293 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19294 the list of saved notes if the note isn't a
19295 NOTE_INSN_BLOCK_{BEG,END}.
19296 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19298 (reemit_notes): Adjust recreation of notes to reflect new saved
19300 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19301 printing a block note.
19302 * stmt.c (block_vector): Remove.
19303 (find_loop_tree_blocks): Simplify.
19304 (unroll_block_trees): Likewise.
19305 * tree.h (reorder_block): Change prototype.
19307 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19309 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19310 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19311 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19312 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19313 (atexit, exit): Simplify.
19314 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19315 * config/lots: Remove defns of HAVE_ATEXIT.
19317 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19319 * calls.c (precompute_arguments): Fix typo in comment.
19320 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19323 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19325 * dsp16xx.c (override_options): Fix typos in GC root registration.
19327 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19329 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19330 from config/svr4.h.
19331 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19332 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19333 (CC1_SPEC): Likewise.
19335 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19337 * genattr.c (main): Add extern prototype. Call return, not exit.
19338 * genattrtab.c (main): Likewise.
19339 * gencheck.c (main): Likewise.
19340 * gencodes.c (main): Likewise.
19341 * genconfig.c (main): Likewise.
19342 * genemit.c (main): Likewise.
19343 * genextract.c (main): Likewise.
19344 * genflags.c (main): Likewise.
19345 * gengenrtl.c (main): Likewise.
19346 * genopinit.c (main): Likewise.
19347 * genoutput.c (main): Likewise.
19348 * genpeep.c (main): Likewise.
19349 * genrecog.c (main): Likewise.
19351 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19352 * genattrtab.c (get_insn_name): Likewise.
19353 * gencodes.c (get_insn_name): Likewise.
19354 * genconfig.c (get_insn_name): Likewise.
19355 * genemit.c (get_insn_name): Likewise.
19356 * genextract.c (get_insn_name): Likewise.
19357 * genflags.c (get_insn_name): Likewise.
19358 * genopinit.c (get_insn_name): Likewise.
19359 * genpeep.c (get_insn_name): Likewise.
19361 * gencheck.c (usage): Add static prototype.
19362 * genextract.c (print_path): Constify a char*.
19363 * genopinit.c (optabs): Likewise.
19364 * genoutput.c (operand_data, data, output_predicate_decls,
19365 compare_operands): Likewise.
19366 * genrecog.c (write_tree): Add default case in switch.
19368 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19370 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19372 * print-rtl.c (get_insn_name): Remove prototype.
19374 * toplev.h (progname): Declare const.
19376 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19377 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19378 dump_sched_info, dump_local_alloc, regset_release_memory,
19379 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19380 error_with_file_and_line, error_with_decl, error_for_asm, error,
19381 fatal, warning_with_file_and_line, warning_with_decl, warning,
19382 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19383 Remove redundant prototypes.
19385 (notice, check_lang_option, report_file_and_line, vnotice,
19386 mark_file_stack): Add static prototype.
19387 (set_fatal_function): Add prototype.
19388 (vnotice, report_file_and_line, set_fatal_function,
19389 check_lang_option): Constify a char*.
19390 (main): Prototype. Call return, not exit.
19392 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19394 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19396 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19398 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19400 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19402 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19404 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19405 behave as if it's zero in all cases.
19406 (expand_function_start): Adjust call to assign_parms.
19407 * tree.h (assign_parms): Adjust prototype.
19408 * objc/objc-act.c (hack_method_prototype): Adjust call to
19411 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19413 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19414 arg_pointer_rtx fixed if the argument pointer register is
19416 (NONZERO_BASE_PLUS_P): Likewise.
19418 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19420 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19421 match_insn2 to match_insn.
19422 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19424 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19426 * Makefile.in (USER_H): Remove va-foo.h.
19428 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19429 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19430 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19431 va-spur.h,va-v850.h}: Remove.
19433 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19435 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19436 (in_return_delay): Use it instead of match_insn.
19438 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19440 * config/alpha/va_list.h (va-alpha.h): Do not include.
19441 (__gnuc_va_list): Typedef as in varargs.h.
19443 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19445 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19446 DECL_LIVE_RANGE_RTL.
19448 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19450 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19451 not NOTE_BLOCK_NUMBER.
19452 (expand_eh_region_end): Likewise.
19453 (find_exception_handler_labels): Likewise.
19454 (scan_region): Likewise.
19455 (exception_optimize): Likewise.
19456 (update_rethrow_references): Likewise.
19457 (set_insn_eh_region): Likewise.
19458 * final.c (final_scan_insn): Likewise.
19459 * flow.c (make_edges): Likewise.
19460 * integrate.c (expand_inline_function): Likewise.
19461 * print-rtl.c (print_rtx): Likewise.
19463 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19465 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19466 terms of builtin functions and types.
19468 * mips.c (mips_build_va_list): New.
19469 (mips_va_start, mips_va_arg): New.
19470 * mips.h (BUILD_VA_LIST_TYPE): New.
19471 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19473 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19474 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19475 * sh.h (BUILD_VA_LIST_TYPE): New.
19476 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19478 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19480 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19481 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19482 (struct insn_data): Likewise with n_operands, n_dups,
19483 n_alternatives, output_format.
19484 * regclass.c (scan_one_insn): Cast n_operands to int before
19485 arithmetic inside comparison.
19487 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19489 * toplev.c (compile_function): Unconditionally emit nop.
19491 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19493 * haifa-sched.c (actual_hazard): Move declaration of variable
19494 `this_cost' into the scope where it is used.
19496 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19498 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19499 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19500 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19502 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19504 * jump.c (find_insert_position): Don't declare or define unless
19505 !HAVE_conditional_arithmetic.
19506 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19508 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19510 * recog.c (offsettable_address_p): Prototype function pointer.
19511 (preprocess_constraints): Call memset, not bzero.
19513 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19514 (gcc_obstack_init): Don't declare.
19515 (fix_sizetype): Add static prototype.
19516 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19517 (tree_cons): Call memset, not bzero.
19519 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19520 definition in macro ASM_WEAKEN_LABEL.
19521 (mark_const_hash_entry): Add static prototype.
19523 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19525 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19527 * unroll.c (find_common_reg_term, subtract_reg_term,
19528 loop_find_equiv_value): Add static prototypes.
19529 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19530 (copy_loop_body): Remove unreachable break statement.
19532 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19534 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19536 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19538 Undo some changes from the gcc2 merge:
19539 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19540 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19544 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19545 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19546 initialized float-int union if the value is a NaN.
19548 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19550 * gthr-win32.h: New file.
19552 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19553 shared as a valid attribute.
19554 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19555 * extend.texi: Document `shared' variable attribute.
19557 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19559 * configure.in: Handle --enable-threads on FreeBSD.
19560 * configure: Rebuit.
19562 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19564 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19566 * configure: Rebuilt.
19568 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19569 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19570 Rosimildo DaSilva <rdasilva@connecttel.com>
19572 * configure.in (m68k-*-rtemscoff*): Added.
19573 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19574 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19575 sparc-rtems configuration.
19576 * configure.in (sparc-*-rtemself*): Added.
19577 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19578 * config/i386/rtems.h: Added comment.
19579 * config/sparc/rtemself.h: New file.
19581 * configure.in (m68k-rtemself): Added.
19582 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19583 and DWARF_DEBUGGING_INFO.
19584 * config/m68k/crti.s: New file.
19585 * config/m68k/crtn.s: New file.
19586 * config/m68k/t-crtstuff: New file.
19587 * config/m68k/rtemself.h: New file.
19589 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19590 global ctor/dtor and C++ exception handling.
19591 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19592 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19594 * config/i386/t-rtems-i386: New File.
19596 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19598 * stmt.c (expand_end_case): Return right away if the case stack is
19601 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19603 * Makefile.in (version.c): Remove rule incorrectly brought in from
19606 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19608 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19609 * msdos/top.sed: Take into account a prepended $(SHELL) to
19611 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19613 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19615 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19617 * regmove.c (fixup_match_1): Don't change an unchanging register.
19618 (stable_but_for_p): Renamed to:
19619 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19620 Changed all callers.
19622 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19624 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19625 insn from BL2 is after the insn from BL.
19627 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19629 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19630 (struct insn_data): Merge `template' and `outfun' into `output'.
19631 Add `output_format'.
19632 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19633 (struct data): Remove `outfun'; add `output_format'.
19634 (name_for_index): Remove declaration.
19635 (output_insn_data): Handle output formats.
19636 (process_template): Emit the bare array for @.
19637 (gen_expand, gen_split): Set output_format to NONE.
19638 * output.h (get_insn_template): Declare.
19639 * final.c (get_insn_template): New.
19640 (final_scan_insn): Use it.
19641 * toplev.c (compile_file): Likewise.
19643 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19644 * i860/i860.c (output_delayed_branch): Likewise.
19645 (output_delay_insn): Likewise.
19647 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19649 * rtl.c (obstack_alloc_rtx): Removed.
19651 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19653 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19655 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19657 * i386.c (call_insn_operand): Reject const_int.
19658 (expander_call_insn_operand): Use call_insn_operand.
19660 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19662 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19664 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19666 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19667 Use DImode operation.
19669 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19671 * gcc.c: Include sys/resource.h.
19672 (report_times): New flag.
19673 (execute): If report_times is set, calculate and report the
19674 CPU time consumed by each subprocess.
19676 (rus, prus): New globals.
19677 (option_map): Add --time.
19678 (display_help): Document -time.
19679 (process_command): Set report_times if -time is given.
19680 Turn off -pipe if -time is given.
19682 * invoke.texi: Document new option -time.
19684 * configure.in: Check for getrusage. Check if we have to
19685 prototype getrusage.
19686 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19687 * configure: Regenerate.
19688 * config.in: Regenerate.
19690 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19692 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19695 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19697 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19698 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19699 (nan): Return _thenan_sf or _thenan_df as appropriate.
19700 (L_thenan_sf): Define _thenan_sf.
19701 (L_thenan_df): Define _thenan_df.
19703 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19704 (DPBIT_FUNCS): Add _thenan_df.
19706 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19708 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19711 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19713 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19716 (lang_specific_driver): Don't take a function pointer parameter.
19717 All callers changed.
19719 * gcc.c: Include gcc.h.
19720 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19721 lang_specific_extra_outfiles, fatal): Don't declare.
19722 (multilib_defaults_raw): Constify.
19723 (read_specs): Call memset, rather than bzero.
19724 (main): Call return, not exit.
19725 (lookup_compiler): Call memcpy, not bcopy.
19726 (fatal): Make extern.
19728 * cppspec.c: Include gcc.h.
19729 (lang_specific_driver): Initialize variable `quote'. Constify a
19730 char*. All calls to the function pointer parameter now
19731 explicitly call `fatal'.
19733 * gccspec.c (lang_specific_driver): Include gcc.h.
19735 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19737 * arm.c (note_invalid_constants): Use recog_data.operand_type
19740 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19742 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19745 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19746 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19747 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19748 reload_secondary_in_reload, reload_secondary_out_reload,
19749 reload_secondary_in_icode, reload_secondary_out_icode,
19750 reload_reg_rtx, reload_when_needed): Delete declarations.
19751 (struct reload): New structure.
19752 (rld): Declare new array.
19753 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19754 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19755 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19756 reload_secondary_in_reload, reload_secondary_out_reload,
19757 reload_secondary_in_icode, reload_secondary_out_icode,
19758 reload_reg_rtx, reload_when_needed): Delete definitions.
19760 (whole file): Replace uses of the deleted arrays with uses of rld.
19761 * reload1.c (whole file): Replace uses of the deleted arrays with
19763 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19764 explicit loops, not with bcopy.
19766 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19768 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19769 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19770 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19771 insn_name): Delete and consolidate into new structures.
19772 (insn_operand_predicate_fn): New.
19773 (insn_output_fn): New.
19774 (insn_gen_fn): New.
19775 (struct insn_operand_data): New.
19776 (struct insn_data): New.
19778 (OUT_FCN): Update for insn_data change.
19779 * builtins.c (expand_builtin_strlen): Likewise.
19780 (expand_builtin_memcmp): Likewise.
19781 * combine.c (make_extraction, simplify_comparison): Likewise.
19782 * cse.c (canon_reg, cse_insn): Likewise.
19783 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19784 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19785 (emit_store_flag): Likewise.
19786 * expr.c (convert_move, emit_block_move): Likewise.
19787 (clear_storage, emit_push_insn, expand_increment): Likewise.
19788 (do_store_flag): Likewise.
19789 * expr.h (GEN_FCN): Likewise.
19790 (insn_gen_function): Die.
19791 * final.c (final_scan_insn): Update for insn_data change.
19792 (output_asm_name): Likewise.
19793 * function.c (fixup_var_refs_1): Likewise.
19794 * loop.c (check_dbra_loop): Likewise.
19795 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19796 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19797 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19798 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19799 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19800 * regmove.c (gen_add3_insn): Likewise.
19801 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19802 (find_reloads, find_reloads_address_1): Likewise.
19803 (debug_reload_to_stream): Likewise.
19804 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19805 * stmt.c (expand_end_case): Likewise.
19806 * toplev.c (compile_file): Likewise.
19808 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19809 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19811 * print-rtl.c (insn_name_ptr): Remove declaration.
19812 (get_insn_name): Declare.
19813 (print_rtx): Use it.
19814 * genoutput.c (insn_name_ptr): Remove.
19815 (next_operand_number): New.
19816 (struct operand_data): New.
19817 (null_operand, odata, odata_end): New.
19818 (struct data): Use struct operand_data.
19819 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19820 (get_insn_name): Renamed from name_for_index.
19821 (output_prologue): Define NO_MD_PROTOTYPES.
19822 (output_predicate_decls): Break out from output_epilogue.
19823 Iterate over the operands list.
19824 (output_operand_data): Break out from output_epilogue. Emit
19825 just the operands list.
19826 (output_insn_data): Break out from output_epilogue. Emit just
19828 (output_epilogue): Remove.
19829 (output_get_insn_name): New.
19830 (constraints, op_n_alternatives, predicates, address_p): Die.
19831 (modes, strict_low, seen): Die.
19832 (scan_operands): Take new param `d' instead of writing to
19833 seven global variables.
19834 (compare_operands): New.
19835 (place_operands): New.
19836 (validate_insn_alternatives): Update for struct data change.
19837 (gen_insn): Don't zero or copy 7 global arrays. Update for
19838 scan_operands; call place_operands.
19839 (gen_peephole, gen_expand, gen_split): Likewise.
19840 (main): Update for new output routines.
19842 * genattr.c (insn_name_ptr): Remove.
19843 (get_insn_name): New function.
19844 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19845 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19846 * genrecog.c: Likewise.
19848 * alpha.md (adddi3): Make `pattern' array static.
19850 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19852 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19853 c4x_cpu_version_string): Constify char *.
19854 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19855 c4x_cpu_version_string): Likewise.
19857 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19859 * tree.c (save_tree_status): Revert 10 Sep change.
19860 (restore_tree_status): Likewise. Call obstack_free with NULL
19861 before freeing the obstack proper.
19863 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19865 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19867 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19868 surrounding context.
19870 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19872 * tree.c (type_hash_canon): Put all types in the hash-table, when
19875 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19877 * recog.h (struct recog_data, recog_data): New.
19878 (recog_foo variables): Kill.
19879 * recog.c (recog_operand, recog_operand_loc): Kill.
19880 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19881 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19882 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19883 (recog_data): Define.
19884 (extract_insn): Update all recog_foo references to use recog_data.
19885 (preprocess_constraints, constrain_operands): Likewise.
19886 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19887 * genattrtab.c (main): Likewise.
19888 * genextract.c (main): Likewise.
19889 * genoutput.c: Likewise.
19890 * genrecog.c (write_subroutine, main): Likewise.
19891 * local-alloc.c (block_alloc): Likewise.
19892 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19893 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19894 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19895 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19896 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19897 (reload_cse_simplify_operands): Likewise.
19899 * arc/arc.c (arc_final_prescan_insn): Likewise.
19900 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19901 * h8300/h8300.c (notice_update_cc): Likewise.
19902 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19903 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19904 * mn10200/mn10200.c (notice_update_cc): Likewise.
19905 * mn10300/mn10300.c (notice_update_cc): Likewise.
19906 * romp/romp.c (update_cc): Likewise.
19907 * sparc/sparc.c (check_pic): Likewise.
19908 * v850/v850.c (notice_update_cc): Likewise.
19910 * genemit.c (main): Don't declare recog_operand.
19912 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19914 * ggc.h (rtvec_def): Forward declare.
19915 (tree_node): Likewise.
19916 (ggc_root): Define.
19918 (ggc_set_mark_rtx): Add prototype.
19919 (ggc_set_mark_rtvec): Likewise.
19920 (ggc_set_mark_tree): Likewise.
19921 * ggc-simple.c (ggc_root): Don't define.
19922 (roots): Don't declare.
19923 (ggc_mark_rtx): Remove.
19924 (ggc_mark_rtvec): Likewise.
19925 (ggc_mark_tree): Likewise.
19926 (ggc_mark_varray): Likewise.
19927 (ggc_mark_tree_hash_table_entry): Likewise.
19928 (ggc_mark_tree_hash_table): Likewise.
19929 (ggc_set_mart_rtx): New function.
19930 (ggc_set_mark_rtvec): Likewise.
19931 (ggc_set_mark_tree): Likewise.
19932 (ggc_add_root): Remove.
19933 (ggc_add_rtx_root): Likewise.
19934 (ggc_remove_tree_root): Likewise.
19935 (ggc_add_string_root): Likewise.
19936 (ggc_add_tree_varray_root): Likewise.
19937 (ggc_add_tree_hash_table_root): Likewise.
19938 (ggc_del_root): Likewise.
19939 (ggc_mark_rtx_ptr): Likewise.
19940 (ggc_mark_tree_ptr): Likewise.
19941 (ggc_mark_string_ptr): Likewise.
19942 (ggc_mark_tree_varray_ptr): Likewise.
19943 (ggc_mark_tree_hash_table_ptr): Likewise.
19944 * ggc-common.c: New file.
19945 * Makefile.in (OBJS): Add ggc-common.o.
19946 (ggc-common.o): List dependencies.
19948 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19950 * cppalloc.c (xstrdup): Use memcpy.
19951 * cpperror.c (cpp_print_containing_files): Don't use
19953 * cpplib.c (conditional_skip): Set temp->lineno.
19954 (do_endif): Make error message less obscure.
19955 (if_directive_name): New function.
19956 (cpp_get_token [case EOF]): Unwind the if stack and generate
19957 error messages for each unterminated conditional in this file.
19958 (parse_string): Do not behave differently if -traditional.
19960 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19962 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19963 va_list decomposing to pointer-type.
19964 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19965 (rs6000_va_arg): Likewise.
19967 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19969 * except.c (start_dynamic_handler): Compute size using
19970 STACK_SAVEAREA_MODE.
19972 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19974 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19975 include directory headers. Don't define strrchr. Don't provide
19976 my_* replacement functions. Prefer PTR over `pointer_type'.
19977 Don't prototype system functions. Don't redefine getopt.
19979 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19980 safe_read, safe_write, save_pointers, restore_pointers,
19981 is_id_char, in_system_include_dir, directory_specified_p,
19982 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19983 find_corresponding_lparen, referenced_file_is_newer,
19984 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19985 process_aux_info_file, identify_lineno, check_source,
19986 seek_to_line, forward_to_next_token_char, output_bytes,
19987 output_string, output_up_to, other_variable_style_function,
19988 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19989 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19990 find_static_definition, connect_defs_and_decs, add_local_decl,
19991 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19992 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19993 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19994 scan_for_missed_items, edit_file, string_list_cons): Add static
19996 (standard_exec_prefix, target_machine, target_version,
19997 default_syscalls_dir, string_list, string_list_cons, find_file,
19998 do_cleaning): Constify a char*.
19999 (safe_read, safe_write): Use PTR, not a char*.
20000 (is_id_char): Take an int, not a char.
20001 (main): Add prototype. Call return, not exit.
20003 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20005 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20006 when comparing types.
20008 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20010 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20011 (strength_reduce): Release the varrays from the no-bivs early exit.
20013 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20014 the loop over the registers.
20016 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20018 (restore_tree_status): Check that instead when freeing the obstack.
20020 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20022 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20025 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20027 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20028 operand size modifiers.
20030 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20032 * c-common.c (c_common_nodes_and_builtins): Don't build
20034 * c-common.h (enum c_tree_index and related accesor macros): Remove
20035 everything now declared in tree.h.
20036 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20037 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20038 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20039 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20040 unsigned_type_node, ptr_type_node, va_list_type_node,
20041 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20042 (init_decl_processing): Call build_common_tree_nodes and
20043 build_common_tree_nodes_2 instead of building their nodes here.
20044 Don't add roots for these nodes.
20045 * stor-layout.c (size_zero_node, size_one_node): Delete.
20046 (set_sizetype): Make a new node for bitsizetype each time.
20047 * tree.c (global_trees): New variable.
20048 (init_obstacks): Add a gc root for it.
20049 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20050 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20051 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20052 (build_common_tree_nodes): New function.
20053 (fix_sizetype): New function.
20054 (build_common_tree_nodes_2): New function.
20055 * tree.h (enum tree_index): New.
20056 (global_trees): Declare.
20057 Add accessor macros for all nodes now moved to global_trees.
20058 Delete their declarations.
20060 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20062 * c-decl.c (finish_function): When processing a nested function,
20063 push and pop GC context around rest_of_compilation.
20065 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20067 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20068 Default ix86_arch to PROCESSOR_I386.
20069 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20070 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20071 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20072 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20073 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20074 (EXTRA_SPECS): Remove deleted specs.
20076 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20078 * function.c (assign_stack_local_1): Allocate from
20079 function->x_frame_offset, not frame_offset.
20081 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20083 * ggc.h (lang_cleanup_tree): Remove.
20084 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20085 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20087 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20088 TYPE_LANG_SPECIFIC when garbage collecting.
20089 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20090 (lang_cleanup_tree): Remove.
20092 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20094 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20095 * crtstuff.c: Not here.
20096 * dwarf2out.c: Or here.
20097 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20100 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20102 * function.h (free_after_compilation): Remove decl parameter.
20103 (free_varasm_status0: Likewise.
20104 (free_emit_status): Likewise.
20105 (free_stmt_status): Likewise.
20106 (free_after_compilation): Likewise.
20107 (init_lang_status): New variable.
20108 (free_lang_status): Likewise.
20109 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20110 * function.c (init_lang_status): New variable.
20111 (free_lang_status): Likewise.
20112 (push_function_context_to): Don't set function::decl here.
20113 (free_after_copmilation): Make decl parameter implicit. Call
20114 free_lang_status if defined.
20115 (prepare_function_start): Call init_lang_status if defined.
20116 (init_function_start): Set function::decl here.
20117 * profile.c (output_func_start_profiler): Don't call pushdecl
20118 until we've actually started the function.
20119 * stmt.c (free_stmt_status): Make decl parameter implicit.
20120 * toplev.c (rest_of_compilation): Don't pass decl to
20121 free_after_compilation.
20122 * varasm.c (free_varasm_status): Likewise.
20124 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20126 * except.c (call_get_eh_context): Add root when allocating static
20129 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20131 * arm.c: Include "ggc.h".
20132 (arm_add_gc_roots): New function.
20133 (arm_override_options): Call it.
20134 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20136 * arm.md (define_asm_attributes): Add a pool_range attribute.
20138 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20140 * extend.texi (Volatiles): New node.
20142 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20144 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20145 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20146 (struct ggc_any): Replace `mark' with `magic_mark'.
20147 (ggc_alloc_string): Use memcpy, not bcopy.
20148 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20149 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20150 (ggc_free_any): New.
20151 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20152 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20153 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20154 Use IS_MARKED. Use ggc_free_any.
20156 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20158 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20160 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20162 * toplev.c (main): Always init_ggc.
20164 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20166 * except.c (find_all_handler_type_matches): Free the list if
20167 we found no matches.
20169 * combine.c (SUBST): Break out to a real function do_SUBST.
20170 (SUBST_INT): Likewise.
20171 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20172 (pre_insert): Free `inserted'.
20173 * loop.c (basic_induction_var): Always set `location'.
20175 * function.c (expand_function_end): Add initial_trampoline as a root.
20176 * rtl.h (init_varasm_once): Declare.
20177 * toplev.c (compile_file): Call it.
20178 * ggc-simple.c (ggc_mark_string_ptr): New.
20179 (ggc_add_string_root): New.
20180 (ggc_collect): Disable collection avoidance temporarily.
20181 * ggc.h (ggc_add_string_root): Declare.
20182 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20183 * optabs.c (init_libfuncs): Likewise.
20184 * varasm.c (named_section): Use ggc_alloc_string.
20185 (make_function_rtl): Likewise.
20186 (make_decl_rtl): Likewise.
20187 (assemble_static_space): Likewise.
20188 (assemble_trampoline_template): Likewise.
20189 (output_constant_def): Likewise.
20190 (force_const_mem): Likewise.
20191 (mark_const_hash_entry): New.
20192 (mark_pool_sym_hash_table): New.
20193 (mark_varasm_state): Use it.
20194 (init_varasm_once): New.
20196 * expr.h (init_one_libfunc): Declare.
20197 * optabs.c (init_one_libfunc): New.
20198 (init_optabs): Use it.
20199 * config/gofast.h: Likewise.
20200 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20201 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20203 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20205 * Makefile.in (cppexp.o): Depend on cpphash.h.
20206 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20208 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20209 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20210 redefining poisoned identifiers, etc.
20211 (do_undef): Don't allow poisoned identifiers to be undefined.
20212 (do_pragma): Add #pragma poison.
20213 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20215 * cccp.c: Add T_POISON node type.
20216 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20218 (do_define): Generalise to handle poisoned definitions,
20219 redefining poisoned identifiers, etc.
20220 (do_undef): Don't allow poisoned identifiers to be undefined.
20221 (do_pragma): Add #pragma poison.
20222 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20224 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20225 * c-pragma.h: Add ps_poison state. We now always have generic
20228 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20230 * ggc.h (ggc_alloc): New function.
20231 (ggc_mark): Likewise.
20232 * ggc-simple.c (ggc_any): New structure.
20233 (ggc_status): Add anys.
20234 (n_anys_collected): New variable.
20235 (ggc_alloc): Define.
20236 (ggc_mark): Likewise.
20237 (ggc_collect): Collect the anys.
20239 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20241 * c-decl.c (mark_binding_level): Make static to match prototype.
20243 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20245 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20247 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20249 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20250 will use into account. Expand the max width to 5.
20253 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20255 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20256 for the rtx length.
20258 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20260 * alpha.md (call value patterns): Remove the result predicates.
20262 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20264 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20267 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20269 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20270 changed from extern char *, to extern PTR. Also fix typo in
20271 NEED_DECLARATION_REALLOC test.
20273 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20275 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20277 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20278 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20279 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20280 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20282 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20284 * cccp.c (pcfinclude): Likewise.
20286 * global.c (allocno_compare): Likewise.
20288 * haifa-sched.c (rank_for_schedule): Likewise.
20290 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20292 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20294 * stupid.c (stupid_reg_compare): Likewise.
20296 * tree.c (_obstack_allocated_p): Likewise.
20298 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20300 1999-09-08 Bruce Korb autogen@linuxbox.com
20302 * Makefile.in: Give the hapless gperf user a hint about
20303 why "gperf -F" fails.
20305 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20307 * lists.c: Include ggc.h.
20309 (init_EXPR_INSN_LIST_cache): Install it.
20311 * ggc-simple.c (init_ggc): Absorb the old init.
20312 (ggc_push_context): Use xcalloc.
20313 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20314 (ggc_collect): Add [rvts] tags to the collection stats.
20316 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20318 * cccp.c (main): Fix handling of -include and -imacros options.
20320 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20322 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20324 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20326 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20329 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20331 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20332 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20333 and SET_DEST. Update comment.
20335 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20337 * config/c4x/c4x.c: Include ggc.h.
20338 (c4x_add_gc_roots): New function.
20339 (c4x_override_options): Call c4x_add_gc_roots.
20341 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20343 * defaults.h (TARGET_ESC): Move ...
20344 * system.h: ... here, where Linas had it in the first place. Silly me.
20346 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20348 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20349 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20350 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20351 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20352 * defaults.h (TARGET_ESC): Add default.
20354 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20356 * configure.in: add i370-*-openedition, i370-*-mvs and
20357 i370-*-linux targets
20359 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20361 * dsp16xxx.c: Include ggc.h
20362 (override_options): Mark GC roots.
20363 * mn10200.c: Include ggc.h.
20364 (asm_file_start): Mark GC roots.
20365 * tahoe.c: Include ggc.h.
20366 (extensible_operand): Mark GC roots.
20368 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20370 * README: Add section discussing status of ELF ABI.
20371 * i370.c: Fix misc spelling mistakes.
20372 (i370_label_scan): Updated notes, exception handling.
20373 (i370_function_prolog): Simplify ELF stack handling.
20374 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20375 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20376 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20377 * i370.md: (movdi): Add notes.
20378 (floatsidf2): Use stack not rtca for scratch float area.
20379 (iorsi3): Correct operand constraints.
20380 * x-oe: Restore TAROUTOPTS which are used by pax.
20382 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20384 * rs6000.c: Include ggc.h.
20385 (rs6000_add_gc_roots): New function.
20386 (override_options): Call it.
20388 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20390 * alpha.h (alpha_compare): New.
20391 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20392 * alpha.c: Likewise for the definitions.
20393 (alpha_emit_conditional_branch): Update for alpha_compare.
20394 (alpha_emit_conditional_move): Likewise.
20395 * alpha.md (cmpdf, cmpdi): Likewise.
20396 (setcc patterns): Likewise. Zero alpha_compare after use.
20397 (sne): Optimize (x != 0) into (0U < x).
20399 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20401 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20402 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20403 (INIT_EXPANDERS): Remove.
20404 * alpha.c: Include ggc.h.
20405 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20406 (alpha_init_machine_status, alpha_mark_machine_status): New.
20407 (override_options): Install them.
20408 (struct machine_function): Moved to alpha.h.
20409 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20410 (alpha_init_expanders): Remove.
20411 (alpha_return_addr): Adjust to use current_function->machine.
20412 (alpha_ra_ever_killed): Likewise.
20413 (alpha_expand_epilogue): Likewise.
20414 * alpha.md (eh_epilogue): Likewise.
20416 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20417 Melissa O'Neill <oneill@cs.sfu.ca>
20418 Geoffrey Keating <geoffk@cygnus.com>
20420 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20421 call-used registers (call-saved registers must still be contiguous
20422 and end with r31, of course).
20424 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20426 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20427 (self_promoting_type_p): Delete.
20428 (self_promoting_args_p): Move ...
20429 * c-common.c: ... here.
20430 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20431 (simple_type_promotes_to): New.
20432 * builtins.c (lang_type_promotes_to): New.
20433 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20434 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20435 * c-common.h: ... here.
20436 (self_promoting_args_p, simple_type_promotes_to): Declare.
20437 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20438 (grokdeclarator): Likewise.
20439 * tree.h (lang_type_promotes_to): Declare.
20441 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20443 Add some machine-dependent GC roots.
20444 * sparc.c: Include ggc.h.
20445 (sparc_add_gc_roots): New function.
20446 (mark_ultrasparc_pipeline_state): Likewise.
20447 (override_options): Call sparc_add_gc_roots.
20448 * pa.c: Include ggc.h.
20449 (pa_add_gc_roots): New function.
20450 (mark_deferred_plabels): Likewise.
20451 (override_options): Call pa_add_gc_roots.
20452 * mips.c: Include ggc.h.
20453 (mips_add_gc_roots): New function.
20454 (override_options): Use it.
20456 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20458 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20460 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20461 cpp_parse_expr): Add static prototypes.
20462 (parse_charconst): Don't cast away const-ness.
20463 (token): Constify a char*.
20465 * cppfiles.c (file_name_list, include_hash, find_include_file,
20466 finclude, initialize_input_buffer): Constify a char*.
20467 (file_cleanup, find_position): Add static prototypes.
20469 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20470 collect_expansion): Add static prototypes.
20471 (cpp_install, create_definition, monthnames): Constify a char*.
20473 * cpphash.h (cpp_install): Likewise.
20475 * cppinit.c (known_suffixes, default_include,
20476 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20477 (base_name, dump_special_to_buffer, initialize_dependency_output):
20478 Add static prototypes.
20480 * cpplib.c (my_strerror): Constify a char*.
20481 (null_underflow, null_cleanup, skip_comment, copy_comment,
20482 copy_rest_of_line, handle_directive, pass_thru_directive,
20483 get_directive_token, read_line_number, cpp_print_file_and_line,
20484 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20485 v_cpp_warning_with_line, detect_if_not_defined,
20486 consider_directive_while_skipping): Add static prototypes.
20487 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20488 cpp_pedwarn_with_file_and_line): Constify a char*.
20490 * cpplib.h (cpp_options, include_hash, progname, definition,
20491 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20492 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20493 find_include_file, deps_output, include_hash): Constify a char*.
20495 * cppmain.c (progname): Constify.
20496 (main): Add prototype. Use return, not exit.
20498 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20499 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20500 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20501 check_protection): Add static prototype.
20503 (progname, recognized_macrom, recognized_extern): Constify a char*.
20504 (main): Add prototype.
20506 * gen-protos.c (progname): Constify a char*.
20508 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20510 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20511 (init_emit_once): Add more GC roots.
20512 * except.c (mark_func_eh_entry): New function.
20513 (mark_eh_node): Mark false_label and rethrow_label.
20514 (init_eh): Add more GC roots.
20515 * function.c (free_after_compilation): Take decl as a paramter.
20516 Call free_stmt_status.
20517 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20519 * function.h (free_after_compilation): Change prototype.
20520 (free_varasm_status): Likewise.
20521 (free_emit_status): Likewise.
20522 (free_stmt_status): New function.
20523 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20524 Remove, replacing with ...
20525 (ggc_status): New structure.
20526 (ggc_chain): New variable.
20527 (init_gcc): Define.
20528 (ggc_push_context): New function.
20529 (ggc_pop_context): Likewise.
20530 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20531 (ggc_alloc_rtvec): Likewise.
20532 (ggc_alloc_tree): Likewise.
20533 (ggc_alloc_string): Likewise.
20534 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20535 (ggc_mark_tree): Give language-dependent code a chance to mark
20537 (ggc_mark_tree_varray): Handle empty arrays.
20538 (ggc_collect): Adjust for use of ggc_chain. Clear
20539 bytes_alloced_since_last_gc.
20540 * ggc.h (ggc_pop_context): New function.
20541 (ggc_push_context): Likewise.
20542 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20543 * stmt.c (free_stmt_status): New function.
20544 (init_stmt_for_function): Clear last_expr_value.
20545 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20546 Conditionalize call to ggc_collect.
20547 (main): Call init_ggc.
20548 * tree.c (push_obstacks): Do the push, even when GC'ing.
20549 (push_obstacks_nochange): Likewise.
20550 (pop_obstacks): Liekwise.
20551 * varasm.c (free_varasm_status): Take decl as a parameter.
20553 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20555 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20556 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20557 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20558 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20560 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20562 * pa/x-pa-mpeix: New file for the MPE port.
20564 * pa/quadlib.asm: New file for long double support.
20566 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20567 * configure: Rebuilt.
20569 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20571 * final.c (shorten_branches): Fix last change.
20573 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20575 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20577 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20579 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20582 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20584 * c-aux-info.c (concat): Don't define.
20586 * cccp.c (my_strerror): Likewise. All callers changed to use
20588 (do_include): Call xstrdup, not xmalloc/strcpy.
20589 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20590 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20592 * collect2.c (my_strsignal): Likewise. All callers changed to use
20594 (locatelib): Call xstrdup, not xmalloc/strcpy.
20596 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20598 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20600 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20602 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20604 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20606 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20608 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20610 (find_all_handler_type_matches): Likewise. Don't check return
20612 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20613 xmalloc, not malloc.
20614 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20616 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20617 (init_spec): Call xcalloc, not xmalloc/bzero.
20618 (set_spec): Call xstrdup, not save_string.
20619 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20620 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20621 (process_command): Call xstrdup, not save_string.
20622 (main): Call xcalloc, not xmalloc/bzero.
20624 * gcov.c (xmalloc): Don't define.
20625 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20626 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20627 (output_data): Call xcalloc, not xmalloc/bzero.
20629 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20631 * mips-tdump.c (xmalloc): Don't define.
20632 (print_symbol): Call xmalloc, not malloc.
20633 (read_tfile): Call xcalloc, not calloc.
20635 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20636 Don't define. All callers of xfree/my_strsignal changed to use
20637 free/strsignal instead.
20638 (allocate_cluster): Call xcalloc, not calloc.
20640 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20641 Fix memory leak, free allocated memory.
20643 * prefix.c (translate_name): Call xstrdup, not save_string.
20644 (update_path): Likewise.
20646 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20648 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20649 Don't define. Callers of xfree/savestring2 changed to use
20650 free/concat instead.
20652 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20653 (init_elim_table): Likewise.
20655 * resource.c (init_resource_info): Likewise.
20657 * stupid.c (stupid_life_analysis): Likewise.
20659 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20660 (open_dump_file): Call concat, not xmalloc/strcpy/...
20661 (clean_dump_file): Likewise.
20662 (compile_file): Call xstrdup, not xmalloc/strcpy.
20664 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20666 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20667 * v850.c (v850_va_arg): New.
20669 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20671 * haifa-sched.c: Tidy comments.
20673 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20675 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20676 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20677 $(out_object_file)): Depend on ggc.h.
20678 * c-common.c: Include "ggc.h".
20679 (combine_strings): If doing GC, use ggc_alloc_string.
20680 * c-decl.c: Include "ggc.h".
20681 (ggc_p): Define with value 0.
20682 (mark_binding_level): New function.
20683 (init_decl_processing): Add GC roots.
20684 (mark_c_function_context): New function.
20685 (lang_mark_false_label_stack): New function.
20686 (lang_mark_tree): New function.
20687 (lang_cleanup_tree): New function.
20688 * c-lang.c: Include "ggc.h".
20689 (lang_init): Call c_parse_init.
20690 * c-lex.c: Include "ggc.h".
20691 (check_linenum): If doing GC, don't copy filenames to permanent
20693 * c-parse.in: Include "ggc.h".
20694 (c_parse_init): New function.
20695 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20696 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20698 * except.c (mark_eh_state): Mark more state.
20699 * function.c (mark_function_state): Likewise.
20700 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20701 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20702 * toplev.c (mark_file_stack): New function.
20703 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20704 (main): Add root for input_file_stack.
20706 * i386.c: Include "ggc.h".
20707 (ix86_mark_machine_status): New function.
20708 (override_options): Set mark_machine_status.
20710 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20712 * tree.c (copy_node): Copy node contents also if doing GC.
20714 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20716 * collect2.c (scan_libraries): Fix double-thinko :-).
20718 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20720 * collect2.c (scan_libraries): Fix thinko.
20722 * cse.c (delete_trivially_dead_insns): Do not skip the last
20723 insn if it is a real insn.
20725 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20727 * Makefile.in (ggc-simple.o): Depend on hash.h.
20728 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20729 (ggc_mark_tree_varray): Likewise.
20730 (ggc_mark_tree_hash_table): Likewise.
20731 * ggc-simple.c: Include hash.h.
20732 (ggc_mark_tree_hash_table_ptr): New function.
20733 (ggc_mark_tree_hash_table_entry): Likewise.
20734 (ggc_mark_tree_hash_table): Likewise.
20735 (ggc_add_tree_hash_table_root): Likewise.
20736 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20737 rtx, when defining fields.
20739 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20741 * profile.c (output_func_start_profiler): Remove apparently
20742 nonsensical call to start_sequence.
20744 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20746 * clipper/clipper.c (clipper_va_start): Fix typos.
20748 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20749 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20750 (spur_va_arg): New stub.
20752 * configure.in: Comment out pyramid.
20754 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20756 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20757 don't conflict with the bits that win32, cygwin, and dgux
20760 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20761 Bernd Schmidt <bernds@cygnus.co.uk>
20763 * integrate.c (function_cannot_inline_p): Do not inline
20764 functions with forced labels.
20766 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20767 Bernd Schmidt <bernds@cygnus.co.uk>
20768 Mark Mitchell <mark@codesourcery.com>
20770 * Makefile.in (ggc-simple.o): Depend on varray.h.
20771 (rtl.o): Depend on ggc.h.
20772 (genattrtab.o): Depend on ggc.h.
20773 (print-tree.o): Likewise.
20774 (fold-const.o): Likewise.
20775 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20776 (make_insn_raw): Don't cache insns when GC'ing.
20777 (emit_insn_before): Likewise.
20778 (emit_insn_after): Likewise.
20779 (emit_insn): Likewise.
20780 (start_sequence): Use xmalloc to allocate the sequence_stack.
20781 (end_sequence): Add free to free it.
20782 (gen_sequence): Don't cache insns when GC'ing.
20783 (clear_emit_caches): Don't use sequence_element_free_list.
20784 (init_emit): Use xcalloc, not xmalloc+bzero.
20785 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20786 * function.c (pop_function_context_from): Use free to free the
20787 fixup_var_refs_queue.
20788 (put_reg_into_stack): Allocate it with xmalloc.
20789 * genattrtab.c: Include ggc.h.
20790 (operate_exp): Don't use obstack_free when GC'ing.
20791 (simplify_cond): Likewise.
20792 (simplify_text_exp): Likewise.
20793 (optimize_attrs): Likewise.
20794 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20796 (gencode): Generate a #include for ggc.h.
20797 * ggc-callbacks.c (ggc_p): Define it to zero.
20798 * ggc-none.c (ggc_p): Likewise.
20799 * ggc-simple.c: Include varray.h.
20800 (ggc_mark_tree_varray): New function.
20801 (ggc_add_tree_varray_root): Likewise.
20802 (ggc_mark_tree_varray_ptr): Likewise.
20803 * ggc.h (ggc_p): Declare.
20804 (varray_head_tag): Likewise.
20805 (ggc_add_tree_varray_root): Declare.
20806 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20807 inconsistencies when GC'ing.
20808 * rtl.c: Include ggc.h.
20809 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20810 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20811 (rtx_free): Don't call obstack_free when GC'ing.
20812 * toplev.c (rest_of_compilation): Call ggc_collect after every
20814 * tree.c (push_obstacks): Do nothing, if GC'ing.
20815 (pop_obstacks_nochange): Likewise.
20816 (pop_obstacks): Likewise.
20817 (make_node): Use ggc_alloc_tree when GC'ing.
20818 (copy_node): Likewise.
20819 (get_identifier): Use ggc_alloc_string when GC'ing.
20820 (build_string): Likewise.
20821 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20822 (tree_cons): Likewise.
20823 (build1): Likewise.
20824 (type_hash_canon): Don't call obstack_free when GC'ing.
20826 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20828 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20829 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20831 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20832 Bernd Schmidt <bernds@cygnus.co.uk>
20833 Mark Mitchell <mark@codesourcery.com>
20835 * Makefile.in (stor-layout.o): Depend on ggc.h.
20836 (expr.o): Depend on ggc.h.
20837 (profile.o): Depend on ggc.h.
20838 (stor-layout.o): Depend on ggc.h.
20839 * emit-rtl.c (init_emit_once): Add gc roots.
20840 * expr.c: Include ggc.h.
20841 (emit_block_move): Add gc roots.
20842 (clear_storage): Likewise.
20843 * expr.h (init_stor_layout_once): New function.
20844 * profile.c: Include ggc.h.
20845 (init_arc_profiler): profiler_label is a root.
20846 * scan.c (make_sstring_space): Trust xrealloc to function
20847 correctly with first parameter NULL.
20848 * stor-layout.c: Include ggc.h.
20849 (set_sizetype): Add gc root.
20850 (init_stor_layout_once): New function.
20851 * toplev.c (compile_file): Call it.
20853 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20854 Bernd Schmidt <bernds@cygnus.co.uk>
20855 Mark Mitchell <mark@codesourcery.com>
20857 * Makefile.in (tree.o): Depend on ggc.h.
20858 (varasm.o): Likewise.
20859 (function.o): Likewise.
20860 (stmt.o): Likewise.
20861 (except.o): Likewise.
20862 (optabs.o): Likewise.
20863 (emit-rtl.o): Likewise.
20864 * emit-rtl.c: Include ggc.h.
20865 (sequence_element_free_list): Remove, and all references.
20866 (mark_sequence): New functions.
20867 (mark_emit_state): New function.
20868 * except.c: Include ggc.h.
20869 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20870 (mark_tree_label_node): New functions.
20871 (mark_eh_state): New function.
20872 * function.c: Include ggc.h.
20873 (mark_temp_slot, mark_function_chain): New functions.
20874 (mark_function_state): New function.
20875 (init_function_once): New function.
20876 * function.h (init_function_once): New function.
20877 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20878 * ggc.h (label_node): Declare.
20879 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20880 (lang_mark_false_label_stack): New function.
20881 (mark_temp_slot): Remove declaration.
20882 (mark_function_chain): Likewise.
20883 (mark_eh_state): Adjust prototype.
20884 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20886 * optabs.c: Include ggc.h.
20887 (mark_optab): New function.
20888 (init_optabs): Add gc roots.
20889 * stmt.c: Include ggc.h.
20890 (mark_cond_nesting, mark_loop_nesting): New functions.
20891 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20892 (mark_stmt_state): New function.
20893 * toplev.c (compile_file): Call init_function_once.
20894 * tree.c: Include ggc.h.
20895 (type_hash): Move declaration earlier in file.
20896 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20897 (init_obstacks): Add gc roots.
20898 (mark_type_hash): New function.
20899 * varasm.c: Include ggc.h.
20900 (mark_pool_constant): New function.
20901 (mark_varasm_state): New function.
20903 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20905 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20907 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20909 * c-decl.c (struct language_function): Renamed from struct c_function.
20911 (c_function_chain): Delete.
20912 (push_c_function_context): New arg F. Don't warn about nested
20913 functions here. Fill LANGUAGE elt of F. Delete code to update
20914 c_function_chain. Don't call push_function_context.
20915 (pop_c_function_context): New arg F. Restore from there instead of
20916 from c_function_chain. Don't call pop_function_context. Clear out
20917 LANGUAGE field of F when done.
20918 * c-lang.c: Include "function.h"
20919 (lang_init): Initialize save_lang_status and restore_lang_status.
20920 * c-parse.in (nested_function, nested_function_notype): Warn about
20921 nested functions. Call push_function_context/pop_function_context
20922 instead of the _c_ variants.
20923 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20925 * Makefile.in (c-lang.o): Update dependencies.
20927 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20928 regno_pointer_flag, regno_pointer_align.
20929 (gen_reg_rtx): Use xrealloc to enlarge them.
20930 (free_emit_status): New function.
20931 * function.c (mark_machine_status, mark_lang_status): New variables.
20932 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20933 in some bits from assign_stack_local. All callers changed to use new
20935 (assign_stack_local): Just call assign_stack_local_1.
20936 (free_after_compilation): New function.
20937 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20938 (trampoline_address): Likewise.
20939 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20940 (prepare_function_start): Explicitly clear some more variables.
20941 * function.h (struct function): New elt can_garbage_collect.
20942 (mark_machine_status, mark_lang_status): Declare variables.
20943 (free_after_compilation, free_emit_status, free_varasm_status,
20944 init_varasm_status): Declare functions.
20945 * toplev.c (rest_of_compilation): Call free_after_compilation when
20946 done with the current function.
20947 * varasm.c (free_varasm_status): New function.
20949 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20951 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20952 (EXPAND_BUILTIN_VA_ARG): Define.
20953 * sparc.c (sparc_va_start): New.
20954 (sparc_va_arg): New.
20956 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20958 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20960 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20962 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20964 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20966 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20967 (OBJS): Add $(GGC).
20968 (ggc-callbacks.o): New target.
20969 * ggc-callbacks.c: New file.
20971 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20973 * expr.h: Collapse individual optab and libfunc vars to arrays.
20974 (optab_index, libfunc_index): New enumerations.
20975 (optab_table, libfunc_table): New arrays.
20976 Add accessor macros for both.
20978 * optabs.c (optab_table, libfunc_table): New.
20979 Delete declarations for individual optab and libfunc vars.
20981 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20983 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20985 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20987 * Makefile.in (GGC, GGC_LIB): New.
20988 (HOST_RTL): Include ggc-none.o.
20989 (ggc-simple.o): New target.
20990 (ggc-none.o): Likewise.
20991 * tree.h (tree_common): Add gc_mark.
20992 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20993 (struct rtvec_def): Add gc_mark.
20994 * emit-rtl.c (global_rtl): Update static initializers to contain
20995 enough initializers.
20996 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20997 * toplev.c (gc_time): New variable.
20998 (all_time): New variable.
20999 (compile_file): Print gc time.
21000 (print_time): Calculate percentage of the whole.
21002 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21004 Change obstack memory management and varasm constant pool handling so
21005 that nested functions are treated like any other functions.
21006 * function.c (init_machine_status): New variable.
21007 (push_function_context_to): Set contains_functions for the outer
21008 function. Don't call save_varasm_status.
21009 (pop_function_context_from): Don't call restore_varasm_status. Don't
21010 set current_function_contains_functions.
21011 (prepare_function_start): Call init_varasm_status rather than
21012 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21014 * function.h (struct function) Add field varasm. Delete fields
21015 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21016 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21017 (init_machine_status): Declare.
21018 (save_varasm_status, restore_varasm_status): Delete declarations.
21019 (save_tree_status, restore_tree_status): Delete last argument.
21020 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21021 code. All callers changed.
21022 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21023 save_constants_in_decl_trees, restore_constants, save_constants,
21024 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21026 (inlining): New variable.
21027 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21028 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21030 (save_for_inline_nocopy): Don't save constants.
21031 Don't set inl_emit field in current_function.
21032 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21033 function. Set new variable inlining before
21034 calling copy_rtx_and_substitute.
21035 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21036 constant pool references if inlining is nonzero.
21037 Delete ADDRESS and (most of the) CONST cases.
21038 (output_inline_function): Save and restore current_function/
21039 current_function_decl. Delete restore_constants code. Don't call
21040 init_const_rtx_hash_table.
21041 * output.h (init_const_rtx_hash_table): Don't declare.
21042 * rtl.h (struct function): Declare.
21043 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21044 * toplev.c (rest_of_compilation): Don't treat nested functions or
21045 functions containing them specially. Delete all code to deal with
21046 save_for_inline_copying.
21047 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21048 inline_obstacks): Delete variables.
21049 (save_tree_status): Lose arg CONTEXT. All callers changed.
21050 Simply allocate a new function_maybepermanent_obstack for the new
21051 function, delete all the special cases.
21052 Don't save inline_obstacks.
21053 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21054 Delete special handling for function_maybepermanent_obstack; simply
21056 Don't restore inline_obstacks.
21057 (permanent_allocation): Delete code that frees inline_obstacks.
21058 (print_inline_obstack_statistics): Delete function.
21059 (dump_tree_statistics): Don't call it.
21060 * varasm.c (struct varasm_status): New.
21061 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21062 last_pool, pool_offset, const_double_chain): Delete global
21063 variables, replace with accessor macros.
21064 (immed_double_const): Don't walk const_double_chain outside a
21065 function, but don't treat nested functions specially anymore.
21066 (immed_real_const_1): Likewise.
21067 (clear_const_double_mem): Don't treat nested functions specially.
21068 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21069 (save_varasm_status, restore_varasm_status): Delete functions.
21070 (init_varasm_status): New function.
21071 (force_const_mem): Don't treat nested functions specially.
21072 (find_pool_constant): Accept new arg F, search for constants in
21073 that function's pool rather than the current one. All callers
21075 (get_pool_constant_for_function, get_pool_mode_for_function): New
21078 * i386.c (init_386_machine_status): New function, mostly from
21079 clear_386_stack_locals.
21080 (struct machine_functions): Rename element names to avoid name
21082 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21083 macros, replacing global variables.
21084 (clear_386_stack_locals, save_386_machine_status,
21085 restore_386_machine_status): Delete functions.
21086 (override_options): Initialize init_machine_status.
21087 * i386.h (INIT_EXPANDERS): Delete macro.
21088 (save_386_machine_status, restore_386_machine_status,
21089 clear_386_stack_locals): Delete declarations.
21091 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21093 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21094 (doloop_begin): Simplify pattern and use emit_jump_insn.
21095 (doloop_end): Simplify pattern, switch operand order,
21096 and use emit_jump_insn.
21098 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21100 * function.h (struct function): Add new element LANGUAGE.
21101 (save_lang_status): Declare new variable.
21102 (restore_lang_status): Likewise.
21103 * function.c (save_lang_status): Define.
21104 (restore_lang_status): Likewise.
21105 (push_function_context_to): Call language-specific save function.
21106 (pop_function_context_from): Call language-specific restore function.
21108 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21110 * i386.md (movsf_1): Check REG_P before use of REGNO.
21111 (movdf_1): Likewise.
21112 (movxf_1): Likewise.
21113 (extendsfdf2): Likewise.
21114 (extendsfxf2): Likewise.
21115 (extenddfxf2): Likewise.
21117 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21119 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21120 constants into memory.
21121 (c4x_shiftable_constant): New function.
21122 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21123 (c4x_shiftable_constant): Declare.
21124 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21125 ashlqi3_noclobber): Add new patterns and associated splitters.
21127 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21129 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21130 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21131 * final.c (shorten_branches): Likewise.
21132 * global.c (global_alloc): Likewise.
21133 * haifa-sched.c (build_control_flow): Likewise.
21134 * stmt.c (check_for_full_enumeration_handling): Likewise.
21135 (estimate_case_costs): Likewise.
21137 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21139 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21141 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21143 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21144 (recompute_reg_usage): Likewise.
21145 * rtlanal.c (find_regno_fusage): Likewise.
21147 * rtl.c (rtl_check_failed_code1): New function.
21148 (rtl_check_failed_code2): New.
21149 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21150 (RTL_CHECKC1, RTL_CHECKC2): New.
21151 (XC*): New accessor macros.
21152 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21153 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21154 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21155 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21156 (TRAP_*, RANGE_INFO_*): Likewise.
21158 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21160 * Makefile.in (tlink.o): Don't depend on toplev.h.
21162 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21163 output_file, nm_file_name, ldd_file_name, strip_file_name,
21164 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21165 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21166 fork_execute, maybe_unlink, add_to_list,
21167 extract_init_priority, write_list, dump_list,
21168 dump_prefix_list, write_list_with_asm, write_c_file,
21169 write_c_file_stat, write_c_file_glob, scan_prog_file,
21170 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21171 ignore_library, extract_string, notice, dump_file, target_machine,
21172 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21173 read_file, print_load_command): Constify a char*.
21174 (fdopen, error, fatal, fatal_perror): Don't prototype.
21175 (my_strerror): Remove. All callers use xstrerror instead.
21176 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21177 (main): Add prototype. Constify lots of char* ptrs. Change calls
21178 to xcalloc/strcpy/strcat/... to one call to concat.
21179 (main, scan_prog_file, scan_libraries): Use an intermediate
21180 `const char **' to build an argv array.
21181 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21183 * collect2.h (collect_execute, collect_wait, dump_file,
21184 file_exists): Constify a char*.
21185 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21186 temporary_firstobj, vflag, debug): Add extern declarations.
21187 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21189 * tlink.c: Don't include toplev.h.
21190 (vflag, debug, ldout, c_file_name, temporary_obstack,
21191 permanent_obstack, temporary_firstobj): Don't declare.
21192 (tlink_execute, frob_extension, symbol_hash_lookup,
21193 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21194 recompile_files, read_repo_files, demangle_new_symbols,
21195 scan_linker_output): Constify a char*.
21196 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21197 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21199 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21201 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21202 (relative) rather than jsr (absolute) subroutine call insns.
21203 * config/m68k/m68k-coff.h: Ditto.
21205 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21207 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21208 now rework these too.
21209 (arm_reorg): If an insn can't reach the end of the current pool,
21210 ensure that we emit that pool before the insn.
21212 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21214 * tlink.c (scan_linker_output): Skip the initial underscore in
21215 a mangled name if appropriate.
21217 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21219 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21220 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21221 error_with_ivar, gen_declarator, create_builtin_decl,
21222 my_build_string, generate_descriptor_table, generate_ivars_list,
21223 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21224 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21225 dump_base_name, lang_decode_option, build_encode_expr,
21226 start_class, finish_class, encode_pointer, really_start_method,
21227 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21229 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21230 Add static prototypes.
21231 (build_objc_string_decl, build_selector_reference_decl,
21232 encode_bitfield, build_class_reference_decl): Remove unused
21233 parameter, all callers changed.
21234 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21235 (objc_printable_name): Likewise. Change second parameter to type int.
21236 (init_objc): Use memcpy, not bcopy, to avoid casts.
21238 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21240 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21241 reg notes on a deleted insn.
21242 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21244 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21246 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21248 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21250 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21253 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21255 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21256 * tm.texi (MD_ASM_CLOBBERS): Document it.
21258 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21260 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21261 * except.c (expand_rethrow): Remove unused variable.
21262 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21263 * flow.c (replace_insns): Likewise.
21264 (create_edge_list, verify_edge_list): Likewise.
21265 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21267 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21268 is special code to run.
21269 (main): Don't define operands to emit_operand.
21270 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21272 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21274 * alpha/alpha.h (normal_memory_operand): Declare.
21275 (reg_no_subreg_operand): Declare.
21276 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21278 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21280 * c-parse.in (compstmt_primary_start): New, broken out of first
21281 part of compstmt handling in primary.
21282 (primary): Use it. Add an error clause.
21283 (compstmt_nostart): Renamed from compstmt; remove all
21284 initial invocations of compstmt_start.
21287 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21289 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21292 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21294 * combine.c (simplify_shift_const): Remove extra semicolon.
21295 * dwarf2out.c (remove_AT): Likewise.
21296 * expmed.c (expand_mult): Likewise.
21297 * gcov.c (create_program_flow_graph): Likewise.
21298 * reorg.c (mostly_true_jump): Likewise.
21300 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21302 * fold-const.c (fold_range_test): Do not try to fold the range
21303 test if the rhs or lhs has side effects.
21305 * combine.c (simplify_rtx): Recognize another case of a synthesized
21308 * varasm.c (mark_constant_pool): When marking indirect references,
21309 only look at SYMBOL_REFs.
21311 * except.c (expand_fixup_region_end): Do not peek at
21312 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21314 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21316 * flags.h: New variables align_loops, align_loops_log,
21317 align_jumps, align_jumps_log, align_labels, align_labels_log,
21318 align_functions, align_functions_log.
21319 * toplev.c: Define them.
21320 (f_options): Handle -falign-* when they have no argument.
21321 (main): Add logic to set variables for -falign-functions,
21322 -falign-jumps, -falign-labels, -falign-loops.
21323 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21324 (display_help): Change help to match options.
21325 * final.c (LABEL_ALIGN): Default to align_labels_log.
21326 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21327 (LOOP_ALIGN): Default to align_loops_log.
21328 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21329 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21330 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21331 * varasm.c (assemble_start_function): Handle align_functions.
21333 * config/sparc/sparc.h: Don't declare sparc_align_*.
21334 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21335 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21337 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21339 * config/sparc/sparc.c: Delete sparc_align_loops,
21340 sparc_align_jumps, sparc_align_funcs and the corresponding string
21342 (sparc_override_options): Default align_functions on ultrasparc.
21343 Delete -malign-* handling.
21345 * config/mips/mips.c (override_options): On 64-bit targets,
21346 try to align code to 64-bit boundaries.
21347 (print_operand): New substitution, %~,
21348 which aligns labels to align_labels_log.
21349 * config/mips/mips.md (div_trap_normal): Use %~.
21350 (div_trap_mips16): Likewise.
21352 (absdi2): Likewise.
21353 (ffssi2): Likewise.
21354 (ffsdi2): Likewise.
21355 (ashldi3_internal): Likewise.
21356 (ashrdi3_internal): Likewise.
21357 (lshrdi3_internal): Likewise.
21358 (casesi_internal): Likewise.
21360 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21362 Merge new ia32 backend from the branch!
21364 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21365 See ChangeLog.P2 on new_ia32_branch for details.
21367 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21368 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21369 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21370 * i386/gas.h (ASM_FILE_START): Define.
21371 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21372 for name change of ix86_valid_decl_attribute_p.
21373 (i386_pe_valid_type_attribute_p): Similarly.
21375 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21377 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21378 to step through CC modes.
21380 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21382 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21383 it would end up in the shadow of a live flags regsiter.
21385 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21387 * reload1.c: Fix many indentation problems.
21388 * reload.c: Likewise.
21390 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21392 * alias.c (non_local_reference_p): Constify fmt.
21394 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21396 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21398 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21400 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21401 the internal_arg_pointer.
21403 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21405 Merge peephole2 from new_ia32_branch:
21406 * Makefile.in (STAGESTUFF): Add *.peephole2.
21407 (mostlyclean): Likewise.
21408 (recog.o): Depend on resource.h.
21410 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21411 (final_scan_insn): Likewise for the invocation of peephole.
21412 * genconfig.c (main): Look for peephole and peephole2 patterns.
21413 Emit HAVE_peephole* accordingly.
21414 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21415 * flags.h (flag_peephole2): Declare.
21416 * toplev.c: New pass peephole2. New flag -fpeephole2.
21418 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21419 * gencodes.c (main): Likewise.
21420 * genextract.c (main): Likewise.
21421 * genoutput.c (main): Likewise.
21422 * genemit.c (max_operand_1): Look for the max scratch operand.
21423 (gen_rtx_scratch): New.
21424 (gen_exp): Use it, and pass on new arg subroutine_type.
21425 (gen_expand): Take max scratch into account.
21426 (gen_split): Emit peephole2 functions.
21427 (output_peephole2_scratch): New.
21428 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21429 * genrecog.c (routine_type): Add PEEPHOLE2.
21431 (make_insn_sequence): Match outer parallel for peep2. Discard
21432 top level scratches and dups.
21433 (add_to_sequence): New args insn_type and top. Update all callers.
21434 Handle toplevel peep2 matching insns.
21435 (write_subroutine): Handle peep2.
21436 (write_tree_1): Likewise.
21437 (write_tree): Likewise.
21439 (change_state): New arg afterward. Update all callers.
21440 Handle matching separate insns.
21441 * recog.c (recog_next_insn): New.
21442 (peephole2_optimize): New.
21443 * rtl.def (DEFINE_PEEPHOLE2): New.
21444 * resource.c (find_free_register): New argument last_insn. Use it
21445 to find a register available through the entire span.
21446 * resource.h (find_free_register): Update prototype.
21448 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21450 * i386.c (output_strlen_unroll): Don't write xops[7]
21451 label if it wasn't set.
21453 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21455 * cpplib.c (struct directive): Const-ify name pointer and
21456 function pointer prototype.
21457 (validate_else, do_define, do_line, do_include, do_undef,
21458 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21459 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21460 do_warning): Const-ify second arg.
21461 (directive_table): Mark const. Reorder entries by frequency
21462 of usage, record statistics.
21464 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21466 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21467 bounds- check RTL accesses if --enable-checking.
21468 (RTVEC_ELT): Bounds check if --enable-checking.
21469 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21470 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21471 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21473 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21474 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21476 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21477 (NOTE_SOURCE_FILE): Use X0STR.
21478 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21479 MEM_ALIAS_SET): Use X0INT.
21480 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21481 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21483 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21484 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21485 (rtl_check_failed_bounds, rtl_check_failed_type1,
21486 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21488 (fancy_abort): Fix comment.
21490 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21491 (cse_insn): Decrement LABEL_NUSES for jump target before
21492 deleting jump insn.
21493 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21494 * final.c (alter_subreg): Compute regno before changing x to
21495 REG; set REGNO(x) after changing it.
21496 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21497 notes containing CONST_INTs.
21498 (delete_eh_regions): Use NOTE_EH_HANDLER.
21499 * function.c (put_reg_into_stack): Make reg a MEM before
21501 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21503 (gen_mem_addressof): Make reg a MEM before initializing it.
21504 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21506 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21507 deleting an insn, not after.
21508 (block_alloc): Only look at PATTERN(insn) if we have to, and
21509 only if it's format class 'i'.
21510 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21511 CONST_INT before using its INTVAL.
21512 * print-rtl.c (print_rtx): Use X0STR.
21513 * regmove.c (fixup_match_1): Don't look at PATTERN of
21514 non-class-'i' insn chain elements.
21515 * reload.c (loc_mentioned_in_p): Take address of
21516 in->fld[1].rtx directly.
21517 * reload1.c (reload): Change reg to a MEM before initializing
21519 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21521 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21523 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21525 * config/mips/mips.c (machine_dependent_reorg): Force a
21526 barrier to output the local constant pool if a barrier hasn't
21527 been found at a natural point in the instruction stream.
21529 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21531 * c-parse.in (language_string): Constify.
21533 * dwarf2out.c (language_string): Remove declaration.
21535 * dwarfout.c (language_string): Likewise.
21537 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21539 * tree.h (language_string, init_parse, finish_parse): Declare.
21541 * i386/sun386.h (language_string): Remove declaration.
21543 * mips.h (language_string): Likewise.
21545 * nextstep.h (language_string): Likewise.
21547 * nextstep21.h (language_string): Likewise.
21549 * rs6000.c (language_string): Likewise.
21551 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21553 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21554 (getpwd.o): Remove target.
21556 * getpwd.c: Delete file. Its in libiberty now.
21558 * dbxout.c (getpwd): Don't prototype.
21559 * dwarf2out.c (getpwd): Likewise
21560 * dwarfout.c (getpwd): Likewise
21561 * final.c (getpwd): Likewise.
21562 * protoize.c (getpwd): Likewise.
21564 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21566 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21568 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21570 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21571 mark_set_resources.
21573 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21575 * fixinc/Makefile.in (subdir): New.
21576 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21579 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21581 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21582 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21585 * invoke.texi: Fix typo.
21587 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21588 changed. Handle autoincrement addressing modes.
21590 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21591 just like we would the virtual incoming args register when
21594 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21596 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21597 path, in .file directive.
21599 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21601 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21604 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21606 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21609 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21611 * tree.c (tree_code_name): Constify a char*.
21613 * tree.h (tree_code_name, decl_printable_name): Likewise.
21615 * function.h (struct function): Likewise.
21617 * toplev.c (decl_name, decl_printable_name): Likewise.
21619 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21621 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21622 (init_objc): Remove function pointer cast.
21624 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21626 * pa.md (interspace_jump): New pattern.
21627 (builtin_longjmp): New expander.
21629 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21631 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21632 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21633 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21635 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21637 * jump.c (delete_prior_computation): Also check calls
21638 to constant functions. Don't bother checking for a
21639 REG_UNUSED note before adding it.
21640 (delete_computation): Handle multi-word hard registers
21641 when synthesizing missing REG_DEAD notes for a register
21642 which is both set and used by an insn.
21644 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21646 * loop.c (this_loop_info): New variable.
21647 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21648 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21650 (prescan_loop, strength_reduce): New argument loop_info. All callers
21652 (scan_loop): New variable loop_info, initialise to address of
21654 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21655 Delete variable loop_has_multiple_exit targets and replace with
21656 field in this_loop_info.
21657 (find_and_verify_loops): Rename this_loop to this_loop_num.
21658 (strength_reduce): Delete loop_iteration_info. Replace variable
21659 loop_info with function argument of same name.
21660 (insert_bct): Rework test for loop being completely unrolled.
21662 * loop.h (struct loop_info): New fields num, loops_enclosed,
21663 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21664 has_indirect_jump, and cont. Redefine use of unroll_number.
21665 (loop_unroll_number): Delete.
21667 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21668 field of loop_info.
21669 (loop_iterations): Delete variable vtop and instead use
21670 loop_info->vtop computed in prescan_loop.
21672 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21674 * fix-header.c (main): Do not pass a null pointer to strcmp.
21676 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21678 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21680 * configure: Rebuilt.
21682 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21684 * jump.c (jump_optimize_1): Do not delete assignments to
21685 internal_arg_pointer.
21686 * cse.c (delete_trivially_dead_insns): Always consider a set of
21687 the internal_arg_pointer live.
21689 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21691 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21692 (update_life_info) [REG_WAS_0]: Search the original insns rather
21693 than the new insns for the note. Fix typos finding note_dest.
21694 If no dest found, discard the note rather than abort.
21695 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21696 (replace_insns): Remove the old insn list after update_life_info
21699 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21701 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21702 sched_analyze_insn.
21703 (sched_analyze_1): Let add_dependence care for not adding dups.
21704 (sched_analyze_2): Likewise.
21705 (add_branch_dependences): Likewise.
21707 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21709 * i386/winnt.c (export_list): New type.
21710 (exports_head): Rename to
21711 (export_head): this.
21712 (i386_pe_record_exported_symbol): Add is_data flag.
21713 (i386_pe_asm_file_end): Emit directive for exported variables.
21714 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21716 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21717 (ASM_DECLARE_OBJECT_NAME): Likewise.
21718 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21719 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21721 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21723 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21725 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21728 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21730 * config/openbsd.h: Define SET_ASM_OP.
21731 * tm.texi: cross-reference SET_ASM_OP in the index.
21733 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21735 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21736 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21737 and class_narrowest_mode at compile time. Kill init_rtl.
21738 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21739 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21740 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21742 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21744 * rtl.h: Declare rtx_length and rtx_format as const.
21745 * machmode.def: Define CC(). Use CC() to define CCmode. If
21746 EXTRA_CC_MODES is defined, expand it here.
21747 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21748 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21749 const. Kill all references to EXTRA_CC_MODES.
21751 * toplev.c: Don't prototype or call init_rtl.
21752 * optabs.c: Don't call init_mov_optab.
21753 * genemit.c: Don't generate init_mov_optab. Don't call
21755 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21757 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21758 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21759 genrecog.c: Don't call init_rtl.
21761 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21762 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21763 definition of EXTRA_CC_MODES.
21765 * md.texi: Kill ref to EXTRA_CC_NAMES.
21766 * tm.texi: Document new way to define EXTRA_CC_MODES.
21768 * genrecog.c: Do not look up the name of a define_split.
21769 (Unrelated bugfix.)
21771 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21773 * config/v850/v850.md: Fix typo introduced by previous delta.
21775 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21777 * gcc.c (fatal): Make definition static to match prototype.
21779 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21781 * combine.c (get_last_value): Don't look for earlier sets if the last
21782 known set is somewhere in between the insns being combined.
21784 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21786 * configure.in: Don't use shell ! to negate exit codes
21787 * configure: Regenerate
21789 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21791 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21792 the fact that ALIGN is measured in bits, not bytes.
21794 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21796 * errors.c: New file; defines functions error, warning, and
21797 fatal, variables have_error and progname.
21798 * errors.h: New file; prototypes and decls for stuff in errors.c.
21800 * Makefile: Add rules to build errors.o and
21801 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21802 genopinit, genrecog, genextract, genpeep, genattr, and
21803 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21804 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21805 genpeep.o, genattr.o, and genoutput.o.
21807 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21808 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21809 define or prototype fatal. Set progname at beginning of main.
21810 * genoutput.c: Likewise, and don't define or prototype error
21813 * c-typeck.c (c_expand_start_case): Return immediately if exp
21815 * fold-const.c (operand_equal_p): Return immediately if arg1
21816 or arg0 are ERROR_MARKs.
21817 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21818 fields of type ERROR_MARK when calculating if the record can
21821 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21822 with much help from Jeffrey A Law and Richard Henderson
21824 * i386.md: In the 6 insns which call output_fix_trunc,
21825 earlyclobber operands[0].
21827 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21829 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21830 creating new registers.
21832 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21834 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21835 i386_reg_alloc_order, i386_regparm_string,
21836 i386_align_loops_string, i386_align_jumps_string,
21837 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21838 and i386_branch_cost_string as type "const char *".
21839 * i386.c: Define all above strings as type "const char *".
21841 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21843 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21844 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21846 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21848 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21849 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21851 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21853 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21854 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21855 (dwarf2out_line, dwarf2out_finish): Likewise.
21856 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21858 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21860 * tree.c (lang_unsave_expr_now) : Correct return type.
21861 * tree.h (lang_unsave_expr_now) : Same.
21863 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21865 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21866 instead of duplicating code.
21868 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21870 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21872 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21874 * tree.h: fancy_abort always takes three args.
21875 * resource.c: Move include of system.h before toplev.h.
21877 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21879 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21882 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21884 * system.h: Don't redefine abort or trim_filename.
21885 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21886 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21887 whether or not __FUNCTION__ is available.
21888 * tree.h: Duplicate rtl.h's definition of abort, for files
21889 that don't include rtl.h. Delete all code to perform type
21890 checking with a compiler other than GCC.
21891 * varray.h: Delete all code to perform type checking with a
21892 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21893 its arguments exactly once, using a statement expression.
21894 Adjust the VARRAY_<type> accessor macros to match.
21895 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21896 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21897 caller's location. Define fatal_insn and fatal_insn_not_found
21898 as macros that use _fatal_insn and _fatal_insn_not_found.
21899 (fancy_abort, trim_filename): Kill prototypes.
21901 * rtl.c (trim_filename): Move here from toplev.c.
21902 (fancy_abort): New function.
21903 (DIR_SEPARATOR): Provide default definition.
21904 * tree.c (tree_check_failed, tree_class_check_failed): Go
21905 through fancy_abort.
21906 (tree_check, tree_class_check, cst_or_constructor_check,
21907 expr_check): Delete.
21908 * varray.c (varray_check_failed): New function.
21909 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21910 _fatal_insn and _fatal_insn_not_found. Go through
21912 (trim_filename, fancy_abort): Delete.
21914 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21915 * except.c (start_catch_handler): Report ICE with error/abort
21917 * final.c (output_operand_lossage): Likewise.
21918 * flow.c (verify_flow_info): Likewise.
21920 * gcc.c: Prototype fatal.
21921 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21922 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21923 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21924 Don't define fancy_abort.
21926 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21928 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21931 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21933 * m88k.h (VERSION_INFO2): Kill.
21934 (VERSION_STRING): Kill.
21936 (VERSION_INFO1): Tidy.
21937 (TARGET_VERSION): Update.
21938 * m88k/dgux.h (VERSION_INFO2): Kill.
21939 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21940 * m88k/luna.h (VERSION_INFO1): Tidy.
21941 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21942 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21943 (output_file_start): Adjust for death of VERSION_STRING.
21945 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21947 * cpplib.c (detect_if_not_defined): New function.
21948 (do_if): Use it to detect potential once-only headers.
21950 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21952 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21954 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21956 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21957 anywere in the function only if they are pseudos and set before
21958 being used (not live at the start of the function).
21959 (num_sign_bit_copies) : Same.
21960 (get_last_value_validate) : Same.
21961 (get_last_value) : Same.
21963 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21965 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21966 where N and M are constant and N is an integer multiple of M.
21968 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21970 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21971 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21972 sbitmap_union_of_preds): Add prototypes.
21973 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21974 the intersection of successors with the new flow graph structures.
21975 (sbitmap_intersection_of_preds): New function to compute the
21976 intersection of predecessors with the new flow graph structures.
21977 (sbitmap_union_of_succs): New function to compute the union of
21978 successors with the new flow graph structures.
21979 (sbitmap_union_of_preds): New function to compute the union of
21980 predecessors with the new flow graph structures.
21981 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21982 (expr_reaches_here_p): Use edge and basic_block structures instead
21983 of s_preds and s_succs.
21984 (compute_cprop_avinout): Use new sbitmap routines.
21985 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21986 of s_preds and s_succs.
21987 * flow.c (compute_flow_dominators): Compute dominators using
21988 edges and basic blocks instead of s_preds and s_succs.
21990 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21992 * lists.c (unused_insn_list, unused_expr_list): New file for
21993 maintaining various types of lists. New statics for maintaining a
21994 cache of available INSN_LIST and EXPR_LIST nodes.
21995 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21996 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21997 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21998 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21999 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22000 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22001 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22002 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22003 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22004 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22005 (remove_dependence, free_pending_lists): Use new global routines.
22006 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22007 (sched_analyze, compute_block_backward_dependences): Use new routines.
22008 (sched_analyze_1, sched_analyze_2): Use new routines.
22009 (schedule_insns): Use new global routines.
22010 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22012 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22013 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22015 * toplev.c (rest_of_compilation): Initialize node cache.
22016 * Makefile.in (OBJS): Add lists.o to list of object files.
22017 (lists.o): Add dependancies.
22019 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22021 * config/v850/v850.md: Fix compile time warning messages.
22022 * config/v850/v850.c: Fix compile time warning messages.
22023 * config/v850/v850.h: Fix compile time warning messages.
22025 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22027 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22028 Remove unused prototype for `init_lengths'.
22030 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22032 * calls.c (emit_call_1): Mark parameter `stack_size' with
22034 (expand_call): Initialize variable `insn'.
22035 (emit_library_call): Likewise for variable `high_to_save'.
22036 (emit_library_call_value): Likewise.
22037 (store_one_arg): Likewise for variables `lower_bound' and
22040 * combine.c (try_combine): Likewise for variables `i2_code_number'
22041 and `other_code_number'.
22042 (find_split_point): Likewise for variables `pos', `unsignedp' and
22044 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22045 (simplify_and_const_int): Remove unused variable `width'.
22046 (merge_outer_ops): Likewise.
22048 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22049 HOST_WIDE_INT' when comparing against one.
22050 (simplify_relational_operation): Likewise.
22051 (cse_insn): Initialize variables `src_eqv_volatile',
22052 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22054 * final.c (init_final): Constify parameter `filename'.
22055 (final_start_function): Mark parameter `optimize' with
22057 (profile_function): Likewise for parameters `first' and `optimize'.
22058 (output_source_line): Likewise for parameter `file'.
22060 * integrate.c (subst_constants): Cast a value to `size_t' when
22061 comparing against one.
22062 (mark_stores): Initialize variable `mode'. Cast a value to
22063 `size_t' when comparing against one.
22065 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22067 * loop.c (move_movables): Initialize variable `first'.
22068 (strength_reduce): Likewise for variable `increment'.
22069 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22070 value to `size_t' when comparing against one.
22071 (load_mems): Initialize variable `end_label'.
22073 * output.h (init_final): Constify parameter.
22075 * reload.c (decompose): Initialize variable `base'.
22077 * reload1.c (reload): Likewise for variable `is_scalar'.
22078 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22079 (choose_reload_regs): Initialize variable `mode'.
22080 (emit_reload_insns): Likewise for variable `store_insn'.
22081 (reload_cse_noop_set_p): Mark parameter `insn' with
22083 (reload_combine): Initialize variable `set'.
22085 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22086 (copy_loop_body): Cast a value to `size_t' when comparing against
22089 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22090 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22091 (remove_from_pending_weak_list): Mark parameter `name' with
22094 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22096 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22099 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22101 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22102 (ASM_DECLARE_FUNCTION_NAME): Define.
22103 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22104 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22105 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22106 not already defined.
22108 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22110 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22111 of n_popped when call/call_value are not defined.
22113 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22115 * tm.texi: GNU CC -> GCC conversion.
22116 (CC1_SPEC): Indicate it is used for all language front ends.
22118 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22120 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22121 NOTE_INSN_EH_REGION_END correctly.
22123 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22124 Jeff Law <law@cygnus.com>
22126 * loop.c (strength_reduce): Automatically unroll loops if the
22127 unrolled loop size is smaller than the rolled loop size.
22129 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22130 and delete comment that code should be rewritten.
22132 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22134 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22137 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22139 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22141 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22142 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22143 (LINK_SPEC): Add -u _main when building executables.
22144 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22145 (ASM_FILE_END): Use the default for ix86-pe.
22146 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22148 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22150 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22151 and ASM_CLOSE_PAREN are empty strings.
22153 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22154 Geoffrey Keating <geoffk@cygnus.com>
22156 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22157 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22158 (unprotoize.o): Ditto.
22159 (test-protoize-simple): Don't define STD_PROTO_DIR.
22160 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22161 changes to make 'test-protoize-simple' pass.
22162 (STD_PROTO_DIR): Remove define.
22163 (STANDARD_EXEC_PREFIX): Supply default define.
22164 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22165 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22166 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22167 (GET_ENV_PATH_LIST): New macro.
22168 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22169 (do_processing): Initialize default_syscalls_dir using new
22170 macros. Use it to initialize syscalls_absolute_filename.
22172 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22174 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22175 B into a register before emit_conditional_move.
22177 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22179 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22180 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22181 multiplicand out of (+ (* a b) (* c d)).
22183 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22184 Richard Henderson <rth@cygnus.com>
22186 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22187 (new_insn_dead_notes): Likewise.
22188 (update_n_sets): Likewise.
22189 (update_flow_info): Move to flow.c, renamed to update_life_info;
22190 extend to handle multiple source insns.
22191 * flow.c: Include resource.h
22192 (unlink_insn_chain): New.
22193 (split_hard_reg_notes): New.
22194 (maybe_add_dead_note): New.
22195 (maybe_add_dead_note_use): New.
22196 (find_insn_with_note): New.
22197 (new_insn_dead_notes): New.
22198 (update_n_sets): New.
22199 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22200 (maybe_remove_dead_notes): New.
22201 (update_life_info): New.
22202 (prepend_reg_notes): New.
22203 (replace_insns): New.
22204 * output.h (update_life_info): Declare.
22205 * recog.c (split_block_insns): Use update_life_info.
22206 * resource.c (find_free_register): Use reg_alloc_order, don't use
22207 fixed regs, make sure the mode is supported, don't use new regs.
22209 * rtl.h (replace_insns): Declare.
22211 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22213 * expr.c (expand_expr): Cope with COND_EXPRs with one
22214 non-returning branch.
22216 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22218 * expr.c (store_expr): Always pass down the target, even when not
22221 1999-08-24 Nick Clifton <nickc@cygnus.com>
22223 * configure.in: Define target_cpu_default for v850 targets.
22224 * configure: Regenerate
22226 * config/v850/v850.h (TARGET_CPU_generic): Define.
22227 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22228 addresses are 4 byte aligned.
22230 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22233 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22235 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22236 (main): Add prototypes.
22238 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22239 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22240 (write_attr_get): Emit prototypes along with function definition.
22241 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22242 (write_complex_function): Emit static prototype along with
22243 function definition.
22245 * genemit.c (gen_split): Emit prototypes along with function
22248 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22249 Likewise for predicates and `insn_operand_predicate'.
22250 (process_template): Emit static prototype along with function
22253 * genrecog.c (make_insn_sequence): Constify a char*. Add
22254 prototypes for get_split_*().
22255 (write_subroutine): Emit prototypes along with function
22258 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22260 * gcse.c (find_avail_set): Follow chains of register-register copies.
22261 Use oprs_not_set_p to guarantee that the returned value can be
22263 (cprop_insn): Don't verify the return value of find_avail_set with
22266 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22267 (cprop_cc0_jump): New function.
22268 (cprop_insn): Break out new function cprop_jump and use it.
22269 Also use cprop_cc0_jump for machines with CC0.
22270 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22272 * tree.h (current_function_calls_setjmp,
22273 current_function_calls_longjmp): Delete declarations.
22274 * dsp16xx.c: Include "function.h".
22275 * elxsi.c: Likewise.
22276 * gmicro.c: Likewise.
22277 * h8300.c: Likewise.
22278 * i370.c: Likewise.
22279 * m32r.c: Likewise.
22280 * mn10200.c: Likewise.
22281 * mn10300.c: Likewise.
22282 * ns32k.c: Likewise.
22283 * spur.c: Likewise.
22284 * v850.c: Likewise.
22286 * rtl.h (rtx_equal_function_value_matters): Declare.
22287 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22289 * function.c: Likewise.
22290 * emit-rtl.c: Likewise.
22292 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22294 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22297 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22299 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22302 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22304 * cpp.texi: Add a node documenting macro varargs (copied
22307 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22309 * cppspec.c: Put a null pointer at the end of the new argv.
22311 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22313 * configure.in: Remove code to select/de-select the haifa
22314 scheduler. Every scheduled port gets haifa now.
22315 * configure: Rebuilt.
22316 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22318 * Makefile.in: Corresponding changes.
22320 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22322 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22323 All callers changed.
22324 (prepare_float_lib_cmp): Likewise.
22325 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22326 * expr.h (emit_float_lib_cmp): Delete declaration.
22327 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22328 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22329 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22331 (cmptf): Now conditional on TARGET_HARD_QUAD.
22333 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22335 * resource.c (mark_target_live_regs): Use
22336 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22338 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22340 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22342 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22344 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22346 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22348 * rtl.h (rtx_format): Constify a char*.
22350 * rtl.c (rtx_format): Likewise.
22351 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22352 (init_rtl): Use accessor macro, not `rtx_format'.
22354 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22357 * caller-save.c (mark_referenced_regs): Likewise.
22359 * combine.c (subst, make_compound_operation, known_cond,
22360 gen_rtx_combine, update_table_tick, get_last_value_validate,
22361 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22363 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22364 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22365 count_reg_usage): Likewise.
22367 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22370 * final.c (leaf_renumber_regs_insn): Likewise.
22372 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22373 dump_edge_info, count_reg_references): Likewise.
22375 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22376 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22379 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22380 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22381 add_label_notes): Likewise.
22383 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22384 clear_struct_flag, count_sub_rtxs, count_alternatives,
22385 compares_alternatives_p, contained_in_p, walk_attr_value,
22386 write_expr_attr_cache): Likewise.
22388 * genconfig.c (walk_insn_part): Likewise.
22390 * genemit.c (max_operand_1, gen_exp): Likewise.
22392 * genextract.c (walk_rtx): Likewise.
22394 * genflags.c (num_operands): Likewise.
22396 * genoutput.c (scan_operands): Likewise.
22398 * genpeep.c (match_rtx): Likewise.
22400 * genrecog.c (add_to_sequence): Likewise.
22402 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22405 * integrate.c (save_constants, copy_for_inline,
22406 copy_rtx_and_substitute, subst_constants, restore_constants):
22409 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22410 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22412 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22415 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22416 add_label_notes, replace_call_address, count_nonfixed_reads,
22417 invariant_p, find_single_use_in_loop, find_mem_givs,
22418 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22421 * print-rtl.c (reg_names, print_rtx): Likewise.
22423 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22425 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22426 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22427 print_blocks): Likewise.
22429 * regclass.c (fix_register, record_address_regs,
22430 reg_scan_mark_refs): Likewise.
22432 * regmove.c (stable_but_for_p): Likewise.
22434 * reload.c (loc_mentioned_in_p, operands_match_p,
22435 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22436 copy_replacements, refers_to_regno_for_reload_p,
22437 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22438 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22441 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22442 delete_address_reloads_1, count_occurrences,
22443 reload_cse_mem_conflict_p, reload_combine_note_use,
22444 add_auto_inc_notes): Likewise.
22446 * resource.c (mark_referenced_resources, mark_set_resources):
22449 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22450 reg_mentioned_p, regs_set_between_p, modified_between_p,
22451 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22452 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22453 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22454 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22456 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22458 * stupid.c (stupid_mark_refs): Likewise.
22460 * unroll.c (remap_split_bivs): Likewise.
22462 * varasm.c (mark_constants): Likewise.
22464 * a29k/a29k.c (uses_local_reg_p): Likewise.
22466 * alpha/alpha.c (summarize_insn): Likewise.
22468 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22469 eliminate_lr2ip): Likewise.
22471 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22473 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22474 reg_mentioned_in_mem): Likewise.
22476 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22477 symbolic_reference_mentioned_p): Likewise.
22479 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22481 * sh/sh.c (regs_used, mark_use): Likewise.
22483 * vax/vax.c (vax_rtx_cost): Likewise.
22485 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22487 * machmode.h (mode_name): Constify a char*.
22489 * rtl.c (mode_name): Likewise.
22491 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22493 * optabs.c (init_libfuncs): Constify a char*.
22495 * print-tree.c (mode_name): Remove redundant declaration.
22496 (print_node): Use accessor macro, not `mode_name'.
22498 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22500 (new_spill_reg): Constify a char*.
22502 * tree.c (mode_name): Remove redundant declaration.
22504 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22506 * rtl.c (rtx_name): Constify a char*.
22508 * rtl.h (rtx_name, fix_sched_param): Likewise.
22510 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22511 (mypr): Use accessor macro, not `rtx_name'.
22513 * genemit.c (print_code): Constify a char*.
22515 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22517 * genpeep.c (print_code): Constify a char*.
22519 * genrecog.c (print_code): Likewise.
22521 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22522 end_bb): Add static prototype.
22523 (draw_edge): Constify a char*.
22524 (end_bb): Remove unused parameter.
22526 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22527 print_block_visualization): Constify a char*.
22529 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22531 * c-common.c (c_get_alias_set): Update comment.
22533 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22535 * linux.h (LIB_SPEC): Added.
22537 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22539 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22541 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22543 * tree.c (expr_check): Fix typo in last change.
22545 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22547 * rtl.def (NOTE): Change format to "iuu0n".
22548 (ADDR_DIFF_VEC): Change format to "eEee0".
22549 (ADDRESSOF): Change format to "eit".
22551 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22552 (RTVEC_ELT): Change to match.
22553 (XVECEXP): Use XVEC and RTVEC_ELT.
22554 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22555 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22556 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22557 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22558 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22559 (INTVAL): Use XWINT.
22560 (ADDRESSOF_DECL): Use XTREE.
22561 (SET_ADDRESSOF_DECL): Delete.
22562 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22563 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22564 ifdefed out since 2.6 at least.
22565 (gen_rtvec_vv): Delete prototype.
22567 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22569 (copy_most_rtx): Handle 't' format letter.
22570 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22571 (gen_rtvec_vv): Delete function. All callers changed to use
22572 gen_rtvec_v instead.
22573 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22574 the '0' format letter.
22576 * function.c (gen_mem_addressof): Don't use
22577 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22579 * integrate.c (copy_rtx_and_substitute): Likewise.
22580 Copy 't' slots with XTREE.
22581 (subst_constants): Treat 't' slots like '[swi]' slots.
22582 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22583 * jump.c (rtx_equal_for_thread_p): Likewise.
22584 * rtlanal.c (rtx_equal_p): Likewise.
22585 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22586 only four arguments.
22587 * gengenrtl.c (type_from_format): Provide correct types for
22591 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22592 If a recent gcc is in use (always in stage2 and beyond), use
22593 statement expressions, so we don't make a function call unless
22594 the check fails. Evaluate arguments exactly once.
22595 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22596 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22598 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22599 they evaluate their arguments exactly once, irrespective of
22600 the compiler in use.
22602 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22603 is used by the currently-enabled check macros. This is:
22604 (tree_check_failed, tree_class_check_failed): For gcc.
22605 (tree_check, tree_class_check, cst_or_constructor_check,
22606 expr_check): For other compilers.
22608 * gencheck.c: Do not define any *_CHECK1 macros.
22610 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22611 Mark Mitchell <mark@codesourcery.com>
22613 * c-common.c (c_get_alias_set): Fix support for poitners and
22616 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22618 * alias.c: Include tree.h.
22619 (nonlocal_reference_p, mark_constant_function): New functions.
22620 * flow.c (life_analysis): Call mark_constant_function.
22621 * rtl.h (mark_constant_function): Declare it.
22623 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22625 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22626 unrecognisable switches.
22628 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22630 * loop.c (recombine_givs): Set ix field after sorting.
22631 (recombine_givs): Remove bogus index / giv lockstep looping.
22633 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22635 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22637 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22638 (do_cmp_and_jump): Formatting fixes.
22639 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22640 do_compare_rtx_and_jump instead of compare_from_rtx.
22641 (do_compare_rtx_and_jump): New function; mostly copied from
22643 (do_jump_for_compare): Delete.
22644 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22646 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22647 of compare/do_jump_for_compare pairs.
22648 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22649 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22650 compare_from_rtx/do_jump_for_compare pairs.
22651 (do_jump_by_parts_equality): Likewise.
22652 (do_jump_by_parts_equality_rtx): Likewise.
22653 * expr.h (do_compare_rtx_and_jump): Declare.
22654 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22655 that used to be in emit_cmp_insn.
22656 (cmp_available_p): New function.
22657 (prepare_operand): New function.
22658 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22659 to be in emit_cmp_insn.
22660 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22661 parameters to be pointers; don't emit final compare but modify some of
22662 the values pointed to by the args so the caller can perform the
22663 correct comparison.
22664 (expand_binop): Call emit_store_flag_force with signed forms of
22666 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22667 emit_jump_insn pair.
22668 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22669 emit_cmp_and_jump_insn_1. Call emit_queue.
22670 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22672 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22673 jump sets cc0 before deleting it.
22674 * integrate.c (expand_inline_function): Likewise.
22675 * unroll.c (unroll_loop): Similar changes in several places.
22676 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22677 before deleting it.
22679 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22681 * Makefile.in (insn-recog.o): Update dependencies.
22682 * genrecog.c (main): Make generated file include "function.h".
22684 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22686 * cse.c (cse_insn): Call never_reached_warning when a jump is
22687 changed to be unconditional.
22688 * flags.h: Declare warn_notreached.
22689 * flow.c (delete_block): Call never_reached_warning when
22690 a block is deleted.
22691 * jump.c (delete_barrier_successors): Call never_reached_warning
22692 when we delete everything after a BARRIER.
22693 (never_reached_warning): New function.
22694 * rtl.h: Declare never_reached_warning.
22695 * toplev.c (warn_notreached): New variable.
22696 (lang_independent_options): Set warn_notreached
22697 when -Wunreachable-code.
22698 (compile_file): We need line numbers for -Wunreachable-code.
22700 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22702 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22703 * sched.c (insn_unit): Likewise.
22705 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22707 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22709 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22711 * flow.c (create_edge_list): Use xmalloc, not malloc.
22713 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22715 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22716 C-style comments. Do not lose the character before double slash.
22718 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22720 * basic-block.h (struct edge_list): Stucture to maintain a vector
22722 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22723 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22724 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22725 New function prototypes.
22726 * flow.c (create_edge_list): Function to create an edge list.
22727 (free_edge_list): Discards memory used by an edge list.
22728 (print_edge_list): Debug output showing an edge list.
22729 (verify_edge_list): Internal consistency check for an edge list.
22730 (find_edge_index): Function to find an edge index for a pred and succ.
22732 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22734 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22737 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22739 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22741 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22743 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22745 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22747 * toplev.c (rest_of_compilation): Allow machine dependent
22748 reorganisation pass to place information into the RTL dump
22749 file if it so wishes.
22751 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22753 * explow.c (hard_function_value): Use VOIDmode instead of
22755 * stmt.c (expand_return): Likewise.
22756 * stor-layout.c (get_best_mode): Likewise.
22758 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22759 emit call instead of emit_insn call.
22761 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22763 * configure.in: Handle --disable/enable-win32-registry.
22764 * install.texi: Document --disable/enable-win32-registry.
22765 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22766 (WIN32_REGISTRY_KEY): New macro.
22767 * prefix.c: Use to enable/disable win32-specific code.
22768 (lookup_key): Use versioned key.
22769 * configure: Regenerate.
22770 * config.in: Likewise.
22772 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22774 * cpplib.c (read_line_number): New fn, split out of...
22777 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22779 tree.c (lang_unsave_expr_now) : New.
22780 (unsave_expr_now): Call lang_unsave_expr_now.
22781 tree.h (lang_unsave_expr_now) : New.
22783 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22785 * toplev.c (flag_new_exceptions): On by default.
22787 1999-08-13 Michael Meissner <meissner@cygnus.com>
22789 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22791 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22793 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22794 INTEGER_TYPE with precision==1, it's __java_boolean.
22796 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22798 * global.c (prune_preferences): Move some invariants out of the
22801 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22803 * configure.in (alpha*-dec-osf*): Add osf5.
22805 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22807 * configure.in: Rework handling of ARM GNU/Linux slightly.
22808 (arm*-*-linux-gnuoldld): New target.
22809 * configure: Regenerate.
22810 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22811 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22812 * config/arm/linux-oldld.h: New file.
22813 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22814 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22816 * config/arm/linux-elf.h (ASM_SPEC): Define.
22817 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22818 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22819 for 26-bit APCS and old linker.
22820 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22822 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22823 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22824 don't define `arm' or `arm_elf'.
22825 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22826 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22828 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22830 * rtl.texi: Fix typo.
22832 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22834 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22836 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22838 * extend.texi (C++ Signatures): Remove node.
22839 * invoke.texi: Remove discussion of -fhandle-signatures,
22840 signature, sigof, __signature__, and __sigof__.
22842 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22844 * Makefile.in (JAVAGC): Removed.
22846 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22848 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22850 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22852 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22854 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22856 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22857 a register that is already known to be a pointer.
22859 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22861 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22862 * fixinc/inclhack.sh: Regenerated.
22863 * fixinc/fixincl.sh: Regenerated.
22865 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22867 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22868 Fix documentation of -ansi flag to describe its C++ behavior.
22869 Remove bogus reference to GCC 2.9.
22871 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22873 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22874 note if it is non-NULL.
22876 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22878 * except.h (eh_nesting_info): Add new structure defintion.
22879 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22880 (reachable_handlers, update_rethrow_references): Add function
22882 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22883 a rethrow symbol instead of an integer exception region number.
22884 * flow.c (Make_edges): Use new exception nesting routines to determine
22885 which handlers are reachable from a CALL or asynchronous insn.
22886 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22888 (delete_eh_regions): Update rethrow labels, and don't delete
22889 regions which are the target of a rethrow.
22890 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22891 avoid overloading the SYMBOL_REF_USED flag.
22892 (rethrow_symbol_map): Use new rethrow_ref field.
22893 (rethrow_used): Use new rethrow_ref field.
22894 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22895 of an integer. Fix formatting.
22896 (output_exception_table_entry): Use new rethrow_ref field.
22897 (can_throw): Check for EH_REGION_NOTE before deciding
22898 whether a CALL can throw or not.
22899 (scan_region): Call rethrow_used() instead of accessing data structure.
22900 (update_rethrow_references): New function to make sure only regions
22901 which are still targets of a rethrow are flagged as such.
22902 (process_nestinfo): New static function to initialize a handler
22903 list for a specific region.
22904 (init_eh_nesting_info): New function to allocate and initialize
22905 the list of all EH handlers reachable from all regions.
22906 (reachable_handlers): New function to retrieve the list of handlers
22907 reachable from a specific region and insn.
22908 (free_eh_nesting_info): New function to dispose of a list of
22909 reachable handlers.
22911 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22913 * flow.c (split_edge): Set JUMP_LABEL field.
22914 (commit_one_edge_insertion): Set head correctly for insert_before.
22915 When inserting insns, update insn block numbers if allocated.
22917 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22919 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22920 retry_incomplete_types): Add static prototype.
22921 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22922 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22923 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22924 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22925 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22928 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22929 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22931 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22933 * output.h (assemble_name): Constify a char*.
22935 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22936 assemble_variable, assemble_name): Likewise.
22938 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22940 * arm/pe.c (arm_pe_unique_section): Likewise.
22942 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22944 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22946 * i386/interix.c (i386_pe_unique_section): Likewise.
22948 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22950 * i386/winnt.c (i386_pe_unique_section): Likewise.
22952 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22954 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22956 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22958 * pa/pa.c (output_call): Likewise.
22960 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22962 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22964 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22967 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22970 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22972 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22973 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22975 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22977 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22979 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22981 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22983 * tree.h (lang_identify): Constify a char*.
22984 (print_error_function): Add extern prototype. Constify a char*.
22986 * c-lang.c (lang_identify): Constify a char*.
22988 * objc/objc-act.c (lang_identify): Constify a char*.
22990 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22992 * genpeep.c (main): Make generated file include "function.h".
22993 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22995 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22997 * Makefile.in: Update dependencies.
22998 * alias.c: Include "function.h"
22999 * c-decl.c: Likewise.
23000 * caller-save.c: Likewise.
23001 * calls.c: Likewise.
23002 * combine.c: Likewise.
23004 * explow.c: Likewise.
23005 * final.c: Likewise.
23006 * global.c: Likewise.
23007 * graph.c: Likewise.
23008 * local-alloc.c: Likewise.
23009 * loop.c: Likewise.
23010 * optabs.c: Likewise.
23011 * profile.c: Likewise.
23012 * recog.c: Likewise.
23013 * regclass.c: Likewise.
23014 * regmove.c: Likewise.
23015 * reload.c: Likewise.
23016 * reorg.c: Likewise.
23017 * resource.c: Likewise.
23018 * sched.c: Likewise.
23019 * stupid.c: Likewise.
23020 * config/1750a/1750a.c: Likewise.
23021 * config/a29k/a29k.c: Likewise.
23022 * config/arc/arc.c: Likewise.
23023 * config/arm/arm.c: Likewise.
23024 * config/arm/thumb.c: Likewise.
23025 * config/c4x/c4x.c: Likewise.
23026 * config/clipper/clipper.c: Likewise.
23027 * config/convex/convex.c: Likewise.
23028 * config/fx80/fx80.c: Likewise.
23029 * config/i860/i860.c: Likewise.
23030 * config/m68k/m68k.c: Likewise.
23031 * config/m88k/m88k.c: Likewise.
23032 * config/mips/mips.c: Likewise.
23033 * config/pdp11/pdp11.c: Likewise.
23034 * config/pyr/pyr.c: Likewise.
23035 * config/romp/romp.c: Likewise.
23036 * config/sh/sh.c: Likewise.
23037 * config/tahoe/tahoe.c: Likewise.
23038 * config/vax/vax.c: Likewise.
23039 * config/we32k/we32k.c: Likewise.
23040 * config/sparc/sparc.c: Include "function.h".
23041 (mem_min_alignment): Test current_function rather than
23042 regno_pointer_align.
23043 * config/pa/pa.c: Likewise.
23044 (compute_frame_size): Delete declaration of
23045 current_function_outgoing_args_size.
23046 * config/arc/arc.h (current_function_varargs): Delete declaration.
23047 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23049 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23051 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23052 current_function_uses_pic_offset_table.
23053 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23054 of current_function_returns_pointer.
23055 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23056 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23057 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23058 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23059 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23060 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23061 * config/m88k/m88k.c: Include "function.h"
23062 (call_used_regs, current_function_pretend_args_size,
23063 current_function_outgoing_args_size, frame_pointer_needed): Delete
23065 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23067 * config/mips/mips.h (current_function_calls_alloca): Delete
23069 * config/mn10200/mn10200.h (current_function_needs_context,
23070 rtx_equal_function_value_matters): Delete declarations.
23071 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23072 flag_pic): Delete declarations.
23073 * config/pa/pa.h (current_function_pretend_args_size,
23074 current_function_decl): Delete declarations.
23075 * config/pa/som.h (current_function_varargs): Delete declaration.
23076 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23078 * config/pyr/pyr.h (current_function_pretend_args_size,
23079 current_function_args_size, current_function_calls_alloca): Delete
23081 * config/sh/sh.h (current_function_varargs): Delete declaration.
23082 * config/sparc/sparc.h (current_function_outgoing_args_size,
23083 current_function_calls_alloca, current_function_decl): Delete
23085 * config/spur/spur.h (current_function_pretend_args_size,
23086 current_function_calls_alloca): Delete declarations.
23087 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23089 * config/vax/vms.h (current_function_name): Delete declaration.
23090 * gcse.c: Include "function.h".
23091 (current_function_name, current_function_calls_setjmp): Delete
23093 * haifa-sched.c: Include "function.h".
23094 (forced_labels): Delete declaration.
23095 * jump.c: Likewise.
23096 * reg-stack.c: Likewise.
23097 * reload1.c: Likewise.
23098 * genemit.c (main): Make generated file include function.h.
23099 * genoutput.c (output_prologue): Likewise.
23101 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23102 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23103 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23104 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23105 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23106 macros for some of them.
23107 (emit_filename, emit_lineno): Delete declarations.
23108 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23109 regno_pointer_* variables through current_function.
23110 (gen_inline_header_rtx): Delete function.
23111 (save_emit_status): Delete function.
23112 (set_new_last_label_num): New function.
23113 (clear_emit_caches): New function.
23114 (restore_emit_status): Just clear last_labelnum and call
23116 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23117 through macro seq_stack.
23118 (add_insn_after): Likewise.
23119 (add_insn_before): Likewise.
23120 (remove_insn): Likewise.
23121 (pop_topmost_sequence): Likewise.
23122 (in_sequence_p): Likewise.
23123 (start_sequence_for_rtl_expr): Likewise.
23124 (start_sequence): Likewise, and likewise for
23125 sequence_rtl_expr/seq_rtl_expr.
23126 (push_topmost_sequence): Likewise.
23127 (end_sequence): Likewise.
23128 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23129 All callers changed. Store into that pointer instead of globals.
23130 (init_emit): Allocate emit elt of current_function.
23131 Changes for sequence_rtl_expr/sequence_stack renaming.
23132 Call clear_emit_caches instead of doing it in-line.
23133 Access regno_pointer_* variables through current_function.
23134 (init_emit_once) Don't clear sequence_stack.
23136 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23138 (arg_pointer_save_area): Delete declaration.
23139 (finish_expr_for_function): Renamed from init_queue; no longer static.
23140 (init_expr): Don't call init_queue.
23141 (save_expr_status, restore_expr_status): Delete functions.
23142 (expand_expr): Changes to reflect new layout of struct function.
23143 Don't access current_function_check_memory_usage when current_function
23145 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23146 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23147 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23148 current_function_uses_const_pool, function_call_count,
23149 current_function_uses_pic_offset_table, nonlocal_labels,
23150 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23151 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23152 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23154 (finish_expr_for_function): Declare.
23155 * flags.h (current_function_has_nonlocal_label,
23156 current_function_has_nonlocal_goto, current_function_is_thunk,
23157 current_function_has_computed_jump): Delete declarations.
23158 * flow.c (forced_labels): Delete declaration.
23159 * function.c (current_function_pops_args,
23160 current_function_returns_struct, current_function_returns_pcc_struct,
23161 current_function_needs_context, current_function_calls_setjmp,
23162 current_function_calls_longjmp, current_function_has_nonlocal_label,
23163 current_function_has_nonlocal_goto, current_function_is_thunk,
23164 current_function_has_computed_jump, current_function_calls_alloca,
23165 current_function_contains_functions, current_function_returns_pointer,
23166 current_function_epilogue_delay_list, current_function_args_size,
23167 current_function_pretend_args_size, current_function_arg_offset_rtx,
23168 current_function_outgoing_args_size, current_function_varargs,
23169 current_function_stdarg, current_function_args_info, cleanup_label,
23170 current_function_name, current_function_uses_const_pool,
23171 current_function_instrument_entry_exit, current_function_return_rtx,
23172 current_function_uses_pic_offset_table, nonlocal_labels,
23173 current_function_internal_arg_pointer, current_function_cannot_inline,
23174 current_function_check_memory_usage, function_call_count,
23175 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23176 nonlocal_goto_stack_level, return_label, save_expr_regs,
23177 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23178 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23179 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23180 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23181 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23183 (push_function_context_to): Don't save them. Don't call
23184 save_storage_status, save_emit_status or save_expr_status.
23185 (pop_function_context_from): Don't restore them. Don't call
23186 restore_storage_status or restore_expr_status.
23187 (get_func_frame_size): New function.
23188 (get_frame_size): Use it.
23189 (assign_outer_stack_local): Reflect some member name changes in struct
23191 (put_reg_into_stack): Likewise.
23192 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23194 (fixup_var_refs): Likewise.
23195 (fix_lexical_addr): Likewise.
23196 (trampoline_address): Likewise.
23197 (prepare_function_start): Clear field inlinable of current_function.
23198 (init_function_for_compilation): New function.
23199 (expand_dummy_function_end): New function.
23200 (expand_function_end): Call finish_expr_for_function.
23201 * function.h (struct emit_status): New; fields moved here from struct
23202 function and from global variables. Add accessor macros for some of
23204 (struct expr_status): Likewise.
23205 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23206 (struct function): Add fields expr and emit, inlinable, inl_emit,
23207 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23208 inl_max_label_num. Add many comments.
23209 Add accessor macros for all elts of struct function that no longer
23210 have a global variable.
23211 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23212 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23213 stack_slot_list): Delete declarations.
23214 (get_func_frame_size): Declare.
23215 (save_expr_status, restore_expr_status, save_emit_status,
23216 save_storage_status, restore_storage_status): Delete declarations.
23217 (init_virtual_regs): Declare.
23218 * output.h (current_function_pops_args,
23219 current_function_returns_struct, current_function_returns_pcc_struct,
23220 current_function_needs_context, current_function_calls_setjmp,
23221 current_function_calls_longjmp, current_function_calls_alloca,
23222 current_function_has_nonlocal_label, current_function_varargs,
23223 current_function_has_computed_jump, current_function_returns_pointer,
23224 current_function_contains_functions, current_function_args_size,
23225 current_function_pretend_args_size, current_function_stdarg,
23226 current_function_outgoing_args_size, current_function_args_info,
23227 current_function_name, current_function_return_rtx,
23228 current_function_epilogue_delay_list,
23229 current_function_uses_const_pool, current_function_cannot_inline):
23230 Delete declarations.
23231 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23232 regno_reg_rtx): Delete declaration.
23233 (REGNO_POINTER_FLAG): Delete macro.
23234 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23235 function were renamed.
23236 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23238 * toplev.c: Include "function.h".
23239 (current_function_decl): Delete declaration.
23240 (compile_file): Call init_dummy_function_start and
23241 expand_dummy_function_end around some initializations that need to
23243 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23244 Call init_function_for_compilation.
23245 * unroll.c: Include "function.h"
23246 (unroll_loop): Access regno_pointer_* variables through
23249 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23250 (DECL_SAVED_INSNS): use it.
23251 (expand_dummy_function_end): Declare.
23252 (init_function_for_compilation): Declare.
23253 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23254 that it's no longer an INLINE_HEADER.
23255 (expand_call): Likewise.
23256 * integrate.c (finish_inline): Delete function.
23257 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23258 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23259 args. Don't generate an INLINE_HEADER rtx, just return the arg
23260 vector. All callers changed.
23261 (save_for_inline_copying): Create a duplicate struct emit_status to
23262 hold the emit state for compiling the current function. Use this and
23263 the other new fields in struct function that are for integration
23264 instead of an INLINE_HEADER.
23265 Use memcpy instead of bcopy.
23266 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23267 (save_for_inline_nocopy): Similar changes, except no new emit_status
23269 (expand_inline_function): Get information from function structure,
23270 not from an inline header rtx.
23271 (output_inline_function): Lose code to extract the necessary
23272 information from an inline header; simply put back the function
23273 structure into current_function. Clear its inlinable elt.
23274 * rtl.def (INLINE_HEADER): Delete.
23275 * rtl.h: Delete all accessors for an INLINE_HEADER.
23276 (gen_inline_header_rtx): Delete declaration.
23277 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23278 Delete declarations.
23279 (REGNO_POINTER_ALIGN): Delete.
23280 (clear_emit_caches): Declare.
23281 (set_new_last_label_num): Declare.
23283 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23285 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23287 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23288 * stmt.c (is_eh_region): Make sure current_function is present, too.
23290 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23292 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23293 for 64bit PA targets.
23295 * pa.h (SELECT_SECTION): Define.
23296 * som.h (SELECT_SECTION): Delete.
23298 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23300 * alias.c (init_alias_analysis): Wrap call to
23301 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23303 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23305 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23306 <sys/asm.h> contains an asm comment with an apostrophe
23307 * fixinc/inclhack.sh: regen
23308 * fixinc/fixincl.x: regen
23310 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23312 * function.c (init_function_start): Clear prologue & epilogue.
23313 (prologue_epilogue_contains): New function.
23314 * alias.c (init_alias_analysis): Use it.
23315 * rtl.h (prologue_epilogue_contains): Declare it.
23317 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23319 * jump.c (onlyjump_p): New function.
23320 * rtl.h: Declare it.
23321 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23322 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23324 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23326 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23327 to invert loops. Simplify block scanning.
23329 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23331 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23332 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23334 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23336 * config/sparc/liteelf.h: New file to support sparclite-elf target
23337 * config/sparc/t-sp86x: New file to support sparc86x targets
23338 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23339 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23340 * configure.in: Support above target triplets
23341 * configure: Regenerated
23343 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23345 * fixinc/server.c (server_setup): Do not prefix function used as
23346 parameter with `&'.
23348 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23350 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23351 Remove fp reg alternatives.
23353 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23355 * Makefiin (TAROUTOPTS): Kill.
23356 (install-headers-tar): Use "xpf" for tar headerfile extraction
23357 * i370/x-oe (TAROUTOPTS): Delete.
23358 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23359 * m68k/x-hp320 (TAROUTOPTS): Delete.
23360 * m68k/x-hp320g (TAROUTOPTS): Delete.
23361 * gcc.texi: Update bug reporting text.
23363 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23365 * reg-stack.c (change_stack) Fixed problem with negative array index.
23367 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23369 * extend.texi, install.texi: Fix spelling mistakes.
23371 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23372 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23373 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23374 PREMADE_ATTRTAB_MD.
23375 * mips/t-ecoff: Likewise.
23376 * mips/t-elf: Likewise.
23377 * mips/t-mips: Likewise.
23378 * mips/t-osfrose: Likewise.
23379 * mips/t-r3900: Likewise.
23380 * mips/t-svr3: Likewise.
23381 * mips/t-svr4: Likewise.
23382 * mips/t-ultrix: Likewise.
23384 * gcc.texi: Document recommend means to provide software floating
23385 point libraries in libgcc.a
23387 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23389 * c-lex.c (yylex): We can have a number with no digits.
23391 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23393 * jump.c (delete_prior_computation): New function, broken
23394 out of delete_computation. Check for side effects with
23395 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23396 multi-word hard registers.
23397 (delete_computation): Use it. Check for side effects with
23398 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23399 missing REG_DEAD note for a register which is both set and
23402 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23404 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23405 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23406 (ASM_FILE_START): Import _mcount with the right type.
23407 (ASM_DECLARE_FUNCTION_NAME): Define.
23408 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23409 * pa.c (output_function_prologue): Always emit the function's label
23411 * pa.h (TEXT_SPACE_P): Define.
23412 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23413 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23414 * som.h (TEXT_SPACE_P): Delete.
23415 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23416 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23418 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23420 * expr.c (emit_group_load): Allow src to be a CONCAT.
23422 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23424 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23425 (___mulsi3): Use '!' comment character.
23427 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23429 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23431 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23433 * gcc.c: Update URLs and mail addresses.
23434 * gcc.texi: Likewise.
23436 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23438 * rs6000.c (current_file_function_operand): Return zero for
23440 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23442 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23445 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23447 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23448 allocate space in the stack frame for the PIC register.
23450 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23452 * m68k.md (xordi3, anddi3): These patterns are not available on
23455 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23457 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23458 (PUT_REAL): Likewise.
23460 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23462 * final.c (shorten_branches): Don't add an alignment for loops
23463 that have no label inside.
23465 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23467 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23468 prototypes in macro HAVE_cmpstrsi.
23470 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23472 * emit-rtl.c (operand_subword): Remove unused variable
23475 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23477 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23479 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23481 * cpphash.c (macroexpand): Delete leading whitespace when arg
23482 is concatenated before.
23483 (unsafe_chars): Correct test for whether + and - can extend a
23486 * cppinit.c (cpp_start_read): Do dependencies for
23487 -include/-imacros files also.
23489 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23490 tokenizing non-directive lines.
23491 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23492 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23495 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23497 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23499 * c-lex.c: Sync with C++ frontend.
23500 (linemode): New variable.
23501 (parse_float): imag, conversion_errno, and type are output only.
23502 (yylex): Adjust. Move initial '.' case into main switch.
23504 (handle_generic_pragma): Just deal with tokens.
23505 (readescape): Use ISXDIGIT and ISGRAPH.
23506 * c-parse.in: Add END_OF_LINE token.
23508 * c-lex.c (lang_init): Generalize.
23509 (nextchar): Remove. Replace uses with UNGETC.
23510 (skip_white_space): Handle linemode here. Optimize for cpplib.
23511 (skip_white_space_on_line): Remove.
23512 (extend_token_buffer_to): New fn.
23513 (extend_token_buffer): Use it.
23514 (read_line_number, check_newline): Just deal with tokens.
23515 (token_getch, token_put_back): New fns.
23516 (yylex): Use them. More cpplib optimizations. Simplify.
23518 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23519 Jason Merrill <jason@yorick.cygnus.com>
23521 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23522 (consume_string): Make this smart about USE_CPPLIB.
23523 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23524 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23525 Also, clean up cases where we redundantly set token_buffer[0].
23526 (read_line_number): New fn.
23527 (ignore_escape_flag): New variable.
23529 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23531 * a29k/t-a29kbare: Fix some comments.
23532 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23533 (FPBIT, DPBIT): Define.
23534 * a29k/t-vx29k: Likewise.
23535 * arc/t-arc: Likewise.
23536 * arm/t-arm-elf: Likewise.
23537 * arm/t-bare: Likewise.
23538 * arm/t-pe: Likewise.
23539 * arm/t-pe-thumb: Likewise.
23540 * arm/t-semi: Likewise.
23541 * arm/t-thumb: Likewise.
23542 * arm/t-thumb-elf: Likewise.
23543 * arm/t-thumb-linux: Likewise.
23544 * h8300/t-h8300: Likewise.
23545 * i960/t-i960: Likewise.
23546 * i960/t-vxworks960: Likewise.
23547 * m32r/t-m32r: Likewise.
23548 * mips/t-ecoff: Likewise.
23549 * mips/t-elf: Likewise.
23550 * mips/t-r3900: Likewise.
23551 * pa/t-pro: Likewise.
23552 * rs6000/t-aix43: Likewise.
23553 * rs6000/t-beos: Likewise.
23554 * rs6000/t-newas: Likewise.
23555 * rs6000/t-ppccomm: Likewise.
23556 * rs6000/t-rs6000: Likewise.
23557 * rs6000/t-winnt: Likewise.
23558 * rs6000/t-xnewas: Likewise.
23559 * rs6000/t-xrs6000: Likewise.
23560 * sh/t-sh: Likewise.
23561 * sparc/t-elf: Likewise.
23562 * sparc/t-sparcbare: Likewise.
23563 * sparc/t-sparclite: Likewise.
23564 * sparc/t-splet: Likewise.
23565 * v850/t-v850: Likewise.
23566 * mn10200/t-mn10200: Fix comments.
23567 * mn10300/t-mn10300: Likewise.
23569 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23570 dummy operand. Allocate a new pseudo for the dummy operand.
23571 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23573 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23575 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23577 * configure: Rebuilt.
23578 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23580 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23582 * recog.c (preproces_constraints): Zero recog_op_alt before
23583 processing the constraints.
23585 * arm.c (typedef minipool_node): Renamed from pool_node.
23586 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23587 (add_minipool_constant): New function.
23588 (dump_minipool): New function.
23589 (find_barrier): Remove special case for getting the insn size of
23590 an insn that references the constant pool.
23591 (minipool_fixup): New structure.
23592 (push_minipool_barrier): New function.
23593 (push_minipool_fix): New function.
23594 (note_invalid_constants): New function.
23595 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23596 (arm_reorg): Rewrite code to fix up the constant pool into a
23597 series of mini-pools embedded in the insn stream.
23598 (arm_output_epilogue): New function, made mainly from the body
23599 of output_func_epilogue.
23600 (output_func_epilogue): Move insn generation part of epilogue code
23601 to arm_output_epilogue.
23602 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23603 * arm.md (pool_range): New attribute.
23604 (zero_extendqidi2): Add attribute pool_range.
23605 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23606 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23607 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23608 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23609 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23610 (epilogue): New expand.
23611 (epilogue_insn): New insn. Call arm_output_epilogue.
23613 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23614 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23616 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23618 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23620 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23622 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23624 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23626 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23628 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23630 * global.c: Fix comment.
23632 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23634 * gcc.c (access_check): New static function.
23635 (find_a_file): Use it when searching a directory list.
23636 * collect2.c (find_a_file): Don't accept directories found when
23637 searching a directory list.
23639 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23641 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23642 function parameters with `&'.
23643 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23645 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23647 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23648 or tidy_fallthru_edge if the last insn in the block is not
23649 an unconditional jump or a simple conditional jump.
23651 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23653 * Makefile.in (c-decl.o): Depends on defaults.h.
23655 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23657 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23659 (CLASS_MAX_NREGS): Likewise.
23661 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23663 * cse.c (cse_insn): Fix dumb thinko in last change.
23665 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23667 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23670 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23672 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23673 test for sizes of passed and declared parameter types.
23675 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23677 * fixincludes: Fix the return type of bsearch, char* -> void*.
23679 * fixinc/inclhack.def: Likewise.
23681 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23683 * invoke.texi (-fdump-translation-unit): New option.
23685 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23687 * expr.h (PROMOTE_PROTOTYPES): Move ...
23688 * defaults.h: ... to here.
23689 * c-decl.c: Include defaults.h instead of expr.h.
23690 * c-typeck.c: Include defaults.h.
23692 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23694 * toplev.h (errorcount): Declare.
23695 (warningcount): Likewise.
23696 (sorrycount): Likewise.
23697 * c-lex.c (errorcount): Don't declare.
23698 * dwarf2out.c (errorcount): Don't declare.
23700 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23702 * config/libgloss.h: Add a note discouraging use with ELF.
23703 * configure.in: Don't use libgloss.h for ELF targets.
23704 Always use_collect2 on a.out targets.
23706 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23708 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23709 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23711 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23713 * loop.c (strength_reduce): When doing biv->giv conversion, update
23714 reg note of NEXT->insn.
23716 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23718 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23720 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23722 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23723 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23724 Ensure expr.h is included.
23725 * c-typecheck.c (convert_arguments): Ditto.
23727 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23729 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23730 * config/convex/convex.h: Ditto.
23731 * config/dsp16xx/dsp16xx.h: Ditto.
23732 * config/fx80/fx80.h: Ditto.
23733 * config/gmicro/gmicro.h: Ditto.
23734 * config/i370/i370.h: Ditto.
23735 * config/i386/i386.h: Ditto.
23736 * config/m32r/m32r.h: Ditto.
23737 * config/m68k/m68k.h: Ditto.
23738 * config/m88k/m88k.h: Ditto.
23739 * config/mips/mips.h: Ditto.
23740 * config/pa/pa.h: Ditto.
23741 * config/pyr/pyr.h: Ditto.
23742 * config/tahoe/tahoe.h: Ditto.
23743 * config/we32k/we32k.h: Ditto.
23745 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23746 based on arch size.
23748 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23750 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23753 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23755 1999-08-02 Richard Henderson <rth@cygnus.com>
23757 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23758 for the register spill block.
23759 (m32r_va_arg): New.
23760 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23761 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23763 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23764 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23765 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23767 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23769 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23770 MAX_WCHAR_TYPE defined in sparc.h.
23771 * config/sparc/linuxaout.h: Likewise.
23772 * config/sparc/linux64.h: Likewise.
23773 Also default to -mvis if CPU is UltraSPARC.
23775 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23777 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23778 (RTX_OK_FOR_OLO10): Likewise.
23779 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23780 %lo(), allow it in addresses...
23781 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23782 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23783 does not make sense.
23784 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23785 (sparc_output_scratch_registers): New function.
23786 (output_function_prologue, sparc_flat_output_function_prologue): Use
23788 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23790 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23791 * configure.in: Add check for .register pseudo-op support in as and
23792 check for offsetable %lo().
23793 * acconfig.h: Add templates for the above checks.
23794 * configure: Regenerate.
23796 1999-08-02 Richard Henderson <rth@cygnus.com>
23798 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23799 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23800 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23802 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23804 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23807 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23809 * config/float-sparc.h: New file.
23810 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23811 sparc-*-linux-gnu and sparc64-*-linux*.
23813 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23815 * rs6000.c (rs6000_va_list): Type is an array.
23816 (rs6000_va_start): Don't doubly adjust for varargs.
23817 (rs6000_va_arg): Evaluate long long GPR adjustment.
23819 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23821 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23822 -maix64 and -maix32.
23823 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23824 LINK_SPEC): Change appropriately.
23825 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23826 (u_short_cint_operand): Likewise.
23827 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23829 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23831 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23833 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23835 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23836 for type promotion.
23837 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23838 (non_add_cint_operand): Likewise.
23839 (logical_operand): Likewise.
23840 (non_logical_cint_operand): Likewise.
23841 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23842 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23843 (rs6000_select_rtx_section): Suppress warning.
23844 (small_data_operand): Suppress warning.
23845 (rs6000_got_register): Suppress warning.
23846 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23847 type, so `J' is generally the wrong constraint for a SImode value;
23849 (andsi3_internal2): Likewise.
23850 (andsi3_internal3): Likewise.
23851 (iorsi3_internal1): Likewise.
23852 (xorsi3_internal1): Likewise.
23854 (movsf_softfloat): Likewise.
23855 (scc insns): Likewise.
23856 (movsi+2): Preserve sign bits of SImode constant.
23857 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23858 (movdf+1): Sign-extend properly.
23859 (movdi_32+1): Sign-extend properly.
23860 (scc insns): Sign-extend properly.
23862 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23865 1999-08-02 Richard Henderson <rth@cygnus.com>
23867 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23868 -mcpu parsing code.
23869 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23870 * alpha.md (all fp insns): Likewise.
23872 1999-08-02 Nick Clifton <nickc@cygnus.com>
23874 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23877 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23879 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23880 pic_load_label generator directly.
23881 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23882 No longer a named pattern.
23884 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23886 * explow.c (force_reg): Call force_operand if X does not
23887 satisfy general_operand.
23889 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23891 * fix-header.c (main): When testing for CONTINUED, use string
23892 equality, not pointer equality.
23894 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23896 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23898 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23900 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23901 that has become an unconditional jump.
23903 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23904 (output_function_epilogue): Similarly.
23906 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23908 * tree.h (init_dummy_function_start): Declare.
23910 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23912 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23913 last_expr_type, last_expr_value, block_start_count, block_stack,
23914 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23915 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23916 dynamically in stmt elt of struct function for each function.
23917 (struct nesting): Rename function_call_count elt to n_function_calls,
23918 target_temp_slot_level to block_target_temp_slot_level. All users
23920 (struct stmt_status): New structure definition.
23921 Add many accessor macros for stmt_status elements which previously
23922 were global variables.
23923 (init_stmt_for_function): Allocate stmt elt for current_function.
23924 Reflect that block_start_count was renamed to
23925 current_block_start_count.
23926 (save_stmt_status, restore_stmt_status): Delete functions.
23927 (preserve_subexpressions_p): Don't access loop_stack when outside
23929 (expand_start_bindings): Reflect that block_start_count was renamed to
23930 current_block_start_count.
23931 (expand_fixup): Likewise.
23932 (expand_decl): Don't access block_stack when outside a function.
23933 (expand_decl_cleanup): Likewise.
23934 (expand_dcc_cleanup): Likewise.
23935 (expand_dhc_cleanup): Likewise.
23936 (expand_anon_union_decl): Likewise.
23937 (set_file_and_line_for_stmt): New function.
23938 (in_control_zone_p): New function.
23940 * function.h (struct function): Add new elt stmt.
23941 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23942 case_stack, nesting_stack, nesting_depth, block_start_count,
23943 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23944 emit_lineno, goto_fixup_chain.
23945 (save_eh_status, restore_eh_status, save_stmt_status,
23946 restore_stmt_status): Delete declarations.
23947 * function.c (push_function_context_to): Don't call save_stmt_status.
23948 (pop_function_context_to): Don't call restore_stmt_status.
23949 * tree.h (in_control_zone_p): Declare.
23950 * rtl.h (set_file_and_line_for_stmt): Declare.
23952 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23953 call set_file_and_line_for_stmt.
23955 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23957 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23958 Also update copyright.
23960 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23962 * c-pragma.c: Don't include "except.h".
23963 * emit-rtl.c: Likewise.
23964 * stor-layout.c: Likewise.
23965 * tree.c: Likewise.
23966 * varasm.c: Likewise.
23968 * flow.c: Include "function.h".
23969 * tree.h (init_dummy_function_start): Declare new function.
23971 * except.h (struct eh_status): New structure.
23972 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23974 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23975 catch_clauses, false_label_stack, caught_return_label_stack,
23976 protect_list, current_function_ehc): Add accessor macros for the
23977 corresponding fields in current_function->eh; delete declarations
23978 for all items that used to be declared here.
23979 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23980 catch_clauses, false_label_stack, caught_return_label_stack,
23981 protect_list, current_function_ehc): Delete variables.
23982 (init_eh_for_function): Allocate current_function->eh.
23983 (save_eh_status, restore_eh_status): Delete functions.
23985 * function.h (struct function): Add fields next_global and eh.
23986 Delete all exception handling related fields.
23987 * function.c (current_function): New variable.
23988 (all_functions): New variable.
23989 (push_function_context_to): Don't allocate a struct function,
23990 use current_function instead. Call init_dummy_function_start when
23991 outside a function. Clear current_function before returning.
23992 (pop_function_context_from): Restore current_function.
23993 Don't free the restored struct function.
23994 (prepare_function_start): New function.
23995 (init_dummy_function_start): New function.
23996 (init_function_start): Break out some code into prepare_function_start
23999 * stmt.c (save_stmt_status): Don't call save_eh_status.
24000 (restore_stmt_status): Don't call restore_eh_status.
24002 * Makefile.in: Update dependencies.
24004 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24006 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24007 of depending on a magic constant value. Update comments.
24008 (hppa_expand_prologue): Similarly.
24010 * pa.md (reload_indi, reload_outdi): Allow any register for the
24011 original reload register.
24013 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24015 * cccp.c (print_help): Change marcos to macros.
24017 1999-07-30 Richard Henderson <rth@cygnus.com>
24019 * c-typeck.c (initializer_constant_valid_p): Move ...
24020 * c-common.c (initializer_constant_valid_p): ... here. Use
24021 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24022 of label addresses.
24023 * c-common.h (initializer_constant_valid_p): Declare.
24024 * c-tree.h (initializer_constant_valid_p): Remove.
24026 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24028 * config/i386/sol2-c1.asm: Align the stack.
24029 * config/i386/sol2-gc1.asm: Likewise.
24031 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24033 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24034 -Asparclite for sparc86x.
24035 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24037 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24039 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24041 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24042 the user if using the non-default arch size in BI_ARCH configuration.
24043 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24045 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24046 Fix patterns so that they actually match.
24047 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24048 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24049 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24051 (mulsidi3): Reflect this in the expand.
24052 (smulsi3_highpart): Only on TARGET_ARCH32.
24053 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24054 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24055 (umulsidi3): Reflect this in the expand.
24056 (umulsi3_highpart): Only on TARGET_ARCH32.
24057 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24058 don't require g0 to be zero.
24059 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24060 ({,u}divsi3): New expands.
24061 ({,u}divsi3_sp64): New patterns.
24062 (after lshrdi3_v8plus): Four new patterns to help combiner
24063 optimizing nested mixed mode shifts.
24065 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24066 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24067 speed things up. Don't use them by default on plain v9 in 64bit
24068 mode, according to what SPAMv9 sais.
24070 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24071 top 32 bits of %[og][0-7] in signal handlers.
24072 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24074 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24076 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24077 (ashlsi3): Corresponding changes.
24079 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24081 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24083 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24085 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24087 * arm.h (Hint): Delete macro.
24088 Substitute HOST_WIDE_INT for Hint in some prototypes.
24089 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24091 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24093 * builtins.c (expand_builtin_setjmp): Use force_operand to
24094 make sure that the buffer address is in a suitable form to be
24095 passed to force_reg.
24097 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24099 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24102 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24104 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24105 proper mode in the condition string.
24106 (icacheflush, dcacheflush): Remove modes from match_operands.
24108 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24109 proper mode before using it.
24111 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24114 * pa.c (store_reg): Do not call add_high_const generator directly.
24115 (load_reg, set_reg_plus_d): Likewise.
24116 * pa.md (add_high_const): No longer a named pattern.
24118 * pa.c (legitimize_address): Consistently use Pmode rather than
24119 SImode. Do not call gen_pic2_highpart directly anymore.
24120 * pa.md (pic2_highpart): No longer a named pattern.
24121 (pic2_lo_sum): Similarly. Reformat to make more readable.
24123 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24128 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24130 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24132 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24134 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24135 and tag the spill mems.
24136 (hppa_va_start): New.
24137 (hppa_va_arg): New.
24138 * pa.h (EXPAND_BUILTIN_VA_START): New.
24139 (EXPAND_BUILTIN_VA_ARG): New.
24141 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24143 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24144 and tag the spill mems.
24145 (mn10300_va_start): New.
24146 (mn10300_va_arg): New.
24147 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24148 (EXPAND_BUILTIN_VA_ARG): New.
24150 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24152 * mn10200.c (mn10200_va_arg): New.
24153 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24155 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24157 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24158 rather than play with TREE_INT_CST_LOW.
24160 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24162 * config/arm/telf.h: Include dbxelf.h.
24163 (CPP_PREDEFINES): Only define if not already defined.
24164 (ASM_IDENTIFY_GCC): Likewise.
24165 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24166 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24167 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24169 (DBX_DEBUGGING_INFO): Don't define.
24170 * config/arm/linux-telf.h: New file.
24171 * config/arm/linux-tgas.h: New file.
24172 * config/arm/t-thumb-linux: New file.
24173 * config/arm/uclinux-elf.h: New file.
24174 * config/arm/uclinux-telf.h: New file.
24175 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24176 thumb-*-uclinux): New targets.
24177 * configure: Regenerate.
24179 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24181 * pa.md (post_store, pre_load): New expanders.
24182 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24183 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24184 need to directly generate RTL for them.
24185 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24188 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24190 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24191 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24192 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24193 (secndary_reload_class): Make TARGET_ELF conditional compile.
24194 (print_operand_address): Similar.
24195 (output_toc): Print all values as hex.
24196 (get_issue_rate): Rearrange and add RS64A and PPC630.
24197 * rs6000.h (processor_type): Add RS64A and PPC630.
24198 (PROCESSOR_POWERPC64): New.
24199 (PROMOTE_MODE): Use word_mode.
24200 (RTX_COSTS): Add RS64A and PPC630.
24201 * rs6000.md (scheduling information): Add lmul and ldiv
24202 representing 64-bit integer multiply and divide. Add rs64a and
24203 PPC630 information.
24204 (ashldi3): Add support for "rldic" instruction.
24205 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24207 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24209 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24210 instead of V8 for sparclite86x in cpu_table.
24212 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24214 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24215 output_file_directive.
24217 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24219 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24220 tree for op1, not the rtl.
24222 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24224 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24225 to m88k_va_start, leaving only the register spill.
24226 (m88k_build_va_list): New.
24227 (m88k_va_start): New.
24228 (m88k_va_arg): New.
24229 * m88k.h (BUILD_VA_LIST_TYPE): New.
24230 (EXPAND_BUILTIN_VA_START): New.
24231 (EXPAND_BUILTIN_VA_ARG): New.
24233 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24235 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24236 Rename from expand_builtin_saveregs.
24237 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24239 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24241 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24242 for the register spill block.
24243 (i960_build_va_list): New.
24244 (i960_va_start): New.
24245 (i960_va_arg): New.
24246 * i960.h (BUILD_VA_LIST_TYPE): New.
24247 (EXPAND_BUILTIN_VA_START): New.
24248 (EXPAND_BUILTIN_VA_ARG): New.
24249 * i960.md (store_multiple): Use change_address on individul mems.
24251 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24253 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24255 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24256 (expand_builtin_va_end): Evaluate arg for side effects.
24257 * c-common.c (c_common_nodes_and_builtins): Construct a
24258 va_list_arg_type_node to handle array decomposition to pointer.
24260 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24262 * except.c (st_dynamic_cleanup): Use force_operand on the
24265 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24267 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24268 * c4x.c (c4x_va_arg): New.
24270 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24272 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24273 has manual_pop set.
24275 1999-07-26 Nathan Sidwell <nathan@acm.org>
24277 * eh-common.h (__eh_matcher): Prototype correctly.
24279 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24281 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24282 (TARGET_SINGLE_PIC_BASE): Likewise.
24283 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24285 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24286 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24287 (TARGET_OPTIONS): Add -mpic-register=N.
24288 (OUTPUT_INT_ADDR_CONST): New macro.
24289 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24290 LEGITIMATE_PIC_OPERAND_P): Likewise.
24291 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24292 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24293 output_addr_const directly.
24294 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24296 (thumb_pic_register, thumb_pic_register_string): Declare.
24298 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24300 (label_mentioned_p): New function: Imported from arm.c.
24301 (legitimize_pic_address): New function: Imported from arm.c.
24302 (is_pic):New function: Imported from arm.c.
24303 (thumb_finalize_pic):New function: Imported from arm.c.
24304 (add_constant): Cope with PIC constants.
24305 (fixit): Cope with PIC constants.
24306 (output_return): Do not treat the PIC register as live if
24307 TARGET_SINGLE_PIC_BASE is true.
24308 (thumb_function_prologue): Do not treat the PIC register as live if
24309 TARGET_SINGLE_PIC_BASE is true.
24310 (thumb_expand_prologue): Do not treat the PIC register as live if
24311 TARGET_SINGLE_PIC_BASE is true.
24312 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24313 TARGET_SINGLE_PIC_BASE is true.
24314 (thumb_print_operand): Accept '|'.
24315 (thumb_override_options): Process PIC options.
24317 * config/arm/thumb.md (movsi): Support PIC.
24318 (call_insn): Change "i" constraint to "X".
24319 (call_value_insn): Likewise.
24320 (consttable_4, consttable_8, consttable_end): Set and clear
24321 "making_const_table" as appropriate.
24322 (pic_load_addr, pic_add_dot_plus_four): New insns.
24324 * invoke.texi (Thumb Options): Fix spelling. Document new
24325 options -msingle-pic-base and -mpic-register=.
24327 1999-07-26 Andrew Haley <aph@cygnus.com>
24329 * config/m32r/initfini.c (__init): Use a full word immediate for
24330 __fini: this allows it to be placed in any memory region.
24332 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24333 -mmodel=medium. This is OK for all memory models.
24335 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24337 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24338 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24340 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24342 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24345 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24347 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24349 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24350 (BUILD_VA_LIST_TYPE): New.
24351 (EXPAND_BUILTIN_VA_START): New.
24352 (EXPAND_BUILTIN_VA_ARG): New.
24353 * i860.c (output_delayed_branch): Disable.
24354 (output_delay_insn): Likewise.
24355 (i860_saveregs): New.
24356 (i860_build_va_list): New.
24357 (i860_va_start): New.
24358 (i860_va_arg): New.
24359 * i860.md: Disable all peepholes using output_delayed_branch.
24360 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24362 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24364 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24365 (BUILD_VA_LIST_TYPE): New.
24366 (EXPAND_BUILTIN_VA_START): New.
24367 (EXPAND_BUILTIN_VA_ARG): New.
24368 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24369 Return the address of the save area.
24370 (clipper_build_va_list): New.
24371 (clipper_va_start): New.
24372 (clipper_va_arg): New.
24374 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24376 * arc.h (EXPAND_BUILTIN_VA_START): New.
24377 (EXPAND_BUILTIN_VA_ARG): New.
24378 * arc.c (arc_setup_incoming_varargs): Set alias set of
24380 (arc_va_start): New.
24383 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24385 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24386 (BUILD_VA_LIST_TYPE): New.
24387 (EXPAND_BUILTIN_VA_START): New.
24388 (EXPAND_BUILTIN_VA_ARG): New.
24389 * alpha.c (alpha_builtin_saveregs): Delete.
24390 (alpha_build_va_list): New.
24391 (alpha_va_start): New.
24392 (alpha_va_arg): New.
24394 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24396 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24398 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24399 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24401 * gcc.texi: More changes related to list conversion.
24402 * invoke.texi: Likewise.
24404 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24406 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24407 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24408 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24409 (stabilize_va_list): New function.
24410 (std_expand_builtin_va_start): New function.
24411 (expand_builtin_va_start): New function.
24412 (get_varargs_alias_set): New function.
24413 (std_expand_builtin_va_arg): New function.
24414 (expand_builtin_va_arg): New function.
24415 (expand_builtin_va_end): New function.
24416 (expand_builtin_va_copy): New function.
24417 (expand_builtin): Call them.
24418 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24419 __builtin_{varargs_start,stdarg_start,end,copy}.
24420 (build_va_arg): New function.
24421 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24422 (build_va_arg): Declare.
24423 * c-decl.c (ptr_type_node, va_list_type_node): New.
24424 * c-parse.gperf (__builtin_va_arg): New.
24425 * c-parse.in (VA_ARG): New token.
24426 (unary_expr): Recognize it.
24427 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24428 * expr.h (std_expand_builtin_va_start): Declare.
24429 (std_expand_builtin_va_arg): Declare.
24430 (expand_builtin_va_arg): Declare.
24431 (get_varargs_alias_set): Declare.
24432 * tree.def (VA_ARG_EXPR): New.
24433 * tree.h (BUILT_IN_VARARGS_START): New.
24434 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24435 (ptr_type_node, va_list_type_node): Declare.
24436 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24437 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24438 * m88k.h, m88k.c: Likewise.
24439 * mn10300.h, mn10300.c: Likewise.
24440 * pa.h, pa.c: Likewise.
24441 * rs6000.h, rs6000.c: Likewise.
24442 * sh.h, sh.c: Likewise.
24443 * sparc.h, sparc.c: Likewise.
24445 * emit-rtl.c (operand_subword): Copy alias set.
24446 (change_address): Likewise.
24448 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24450 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24451 not just the first one.
24453 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24455 * config/arm/arm.h (TARGET_SWITCHES): Add
24456 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24457 (TARGET_OPTIONS): Add -mpic-register=.
24458 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24459 (arm_pic_register_string): Declare.
24460 (NEED_PLT_GOT): Delete, replace with ...
24461 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24462 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24463 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24464 * config/arm/arm.c (arm_override_options): Add new option
24466 (arm_pic_register_string): New variable.
24467 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24468 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24469 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24470 (output_return_instruction): Likewise.
24471 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24472 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24473 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24475 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24476 mention of -msched-prolog. Document new options -msingle-pic-base
24477 and -mpic-register=.
24479 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24481 * haifa-sched.c (reemit_notes): Tidy.
24482 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24485 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24487 * explow.c (trunc_int_for_mode): New function.
24488 (plus_constant_wide): Use it.
24489 * combine.c (simplify_and_const_int): Likewise.
24490 (merge_outer_ops): Likewise.
24491 (simplify_shift_const): Likewise.
24492 * cse.c (simplify_unary_operation): Likewise.
24493 (simplify_binary_operation): Likewise.
24494 * emit-rtl.c (operand_subword): Likewise.
24495 * rtl.h: Declare it.
24497 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24499 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24500 (use NUM_REGS instead of NUM_INTS).
24502 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24504 * builtins.c: New file.
24505 * expr.c (saveregs_value, apply_args_value): Delete definition,
24506 moved into builtins.c.
24507 (string_constant): No longer static.
24508 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24509 apply_args_size, apply_result_size, result_vector,
24510 expand_builtin_apply_args, expand_builtin_apply,
24511 expand_builtin_return): Delete functions, moved into builtins.c.
24512 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24513 * expr.h (saveregs_value, apply_args_value): Declare variables.
24514 (expand_builtin, string_constant): Declare functions.
24515 * Makefile.in: Update to build builtin.o.
24517 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24519 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24520 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24521 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24522 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24524 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24527 1999-07-21 Michael Meissner <meissner@cygnus.com>
24529 * print-rtl.c (print_rtx): Print the names of the virtual
24532 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24534 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24535 introduced in previous delta.
24537 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24539 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24540 to avoid name clash.
24542 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24544 * c-lex.c (yylex) : Correct the test for overflow when lexing
24547 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24549 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24550 (adjust_priority): Always call ADJUST_PRIORITY.
24551 (schedule_insn): Only put insns into the ready at cost 0.
24552 (schedule_block): Remove redundant initial sort. Give clock_var
24553 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24555 * tm.texi (MD_SCHED_REORDER): Update docs.
24557 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24558 * sparc.c (ultra_reorder_called_this_block): Delete.
24559 (ultrasparc_sched_init): Don't set it.
24560 (ultrasparc_sched_reorder): Don't check it.
24562 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24564 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24565 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24566 (function_arg_boundary): Align DFmode.
24567 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24568 to get fp reg and stack overflow correct.
24569 (function_arg): Likewise.
24570 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24571 (setup_incoming_varargs): Restructure for ABI_V4; use
24572 function_arg_advance to skip final named argument.
24573 (expand_builtin_saveregs): Properly unskip the last integer arg
24574 when doing varargs. Adjust overflow location calculation.
24576 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24577 explicitly unsigned.
24578 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24579 (__VA_GP_REGSAVE): Similarly.
24580 (__va_longlong_p): Delete.
24581 (__va_arg_type_violation): New declaration.
24582 (va_arg): Restructure. Flag promotion errors. Align double.
24583 TFmode passed by reference.
24585 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24586 in the HOST_BITS_PER_WIDE_INT > 32 case.
24588 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24590 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24592 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24594 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24595 * toplev.c (documented_lang_options): Add -fpreprocessed.
24596 * cpplib.h (struct cpp_buffer): Add preprocessed.
24597 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24598 (cpp_start_read): Don't expand macros or emit an initial #line
24599 directive if -fpreprocessed.
24601 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24603 * cpplib.h (struct cpp_buffer): Added manual_pop for
24604 better C++ tokenization.
24605 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24606 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24607 * c-common.c (cpp_token): Make non-static.
24609 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24611 * c-common.h: New file.
24612 * c-common.c (permanent_obstack): Delete unused declaration.
24613 (c_global_trees): New array.
24614 (c_common_nodes_and_builtins): New function; split off common code
24615 from init_decl_processing in both c-decl.c and cp/decl.c.
24616 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24617 c_global_trees and accessor macros defined in c-common.h.
24618 Include c-common.h.
24619 * c-decl.c: Delete definitions for tree nodes that were replaced by
24621 (init_decl_processing): Build void_list_node.
24622 Call c_common_nodes_and_builtins; delete code to generate the common
24624 * objc/objc-act.c (build_module_descriptor): Rename variable
24625 void_list_node to avoid clash with c-common.h.
24627 * Makefile.in: Update dependencies.
24628 * objc/Make-lang.in: Likewise.
24630 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24632 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24633 (UNIQUE_SECTION_P): Likewise.
24634 (UNIQUE_SECTION): Likewise.
24636 1999-07-19 Linas Vepstas <linas@linas.org>
24638 * config/i370/README: New file.
24639 * config/i370/linux.h: New file.
24640 * config/i370/mvs.h: New file.
24641 * config/i370/oe.h: New file.
24642 * config/i370/t-linux: New file.
24643 * config/i370/t-mvs: New file.
24644 * config/i370/t-oe: New file.
24645 * config/i370/x-oe: New file.
24646 * config/i370/xm-linux.h: New file.
24647 * config/i370/xm-mvs.h: New file.
24648 * config/i370/xm-oe.h: New file.
24650 * i370.c (label_node_t): Add first_ref_page, label_addr,
24651 label_first_ref, label_last_ref members.
24652 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24653 (MAX_MVS_LABEL_SIZE): Define.
24654 (MAX_LONG_LABEL_SIZE): Define.
24655 (alias_node_t, alias_anchor, alias_number): New.
24656 (mvs_function_table): Reorder for EBCDIC.
24657 (ascebc, ebcasc): Unconditionally define.
24658 (i370_branch_dest, i370_branch_length): New functions.
24659 (i370_short_branch, i370_label_scan): New functions.
24660 (mvs_get_label): Renamed from mvs_add_label. Search for
24661 an existing label before creating a new one.
24662 (mvs_add_label): New function.
24663 (mvs_get_label_page): New function.
24664 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24665 over the entire list.
24666 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24667 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24668 (mvs_add_alias, mvs_need_alias): New functions.
24669 (mvs_get_alias, mvs_check_alias): New functions.
24670 (handle_pragma): New function.
24671 (mvs_function_check): New function.
24672 (unsigned_jump_follows_p): Search harder.
24673 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24674 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24675 * i370.h (TARGET_VERSION): Delete.
24676 (CPP_SPEC, CPP_PREDEFINES): Delete.
24677 (mvs_label_emitted): Delete.
24678 (TARGET_EBCDIC): Delete.
24679 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24680 (HANDLE_PRAGMA): Define.
24681 (HARD_REGNO_NREGS): Handle complex modes.
24682 (HARD_REGNO_MODE_OK): Likewise.
24683 (CLASS_MAX_NREGS): Likewise.
24684 (RET_REG): Likewise.
24685 (EXTRA_CONSTRAINT): Define.
24686 (RETURN_IN_MEMORY): True for DImode.
24687 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24688 (FUNCTION_PROFILER): Delete.
24689 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24690 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24691 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24692 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24693 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24694 (ASM_FILE_START): Add "RMODE ANY".
24695 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24696 (ASM_GLOBALIZE_LABEL): Likewise.
24697 (ASM_OUTPUT_LABELREF): Likewise.
24698 (ASM_OUTPUT_COMMON): Likewise.
24699 (PRINT_OPERAND): Handle 'K', 'W', default.
24700 (PRINT_OPERAND_ADDRESS): New.
24701 (Lots of defines): Add support for TARGET_ELF_ABI.
24702 * i370.md (attr length): New. Define for all patterns.
24703 (*): Lots of tweeks to assembly output and constraints.
24705 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24707 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24708 Disable patterns performing SImode comparisons with SImode values
24709 if TARGET_POWERPC64 and instruction does not sign-extend or does
24710 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24711 differ for signed quantities.
24712 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24713 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24714 (decrement_and_branch_on_count): Add 64-bit variant.
24716 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24718 * final.c (output_asm_insn): When searching for the matching string
24719 for a given dialect, don't run past the end of the list of
24720 alternatives if there are fewer alternatives in the template than
24723 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24725 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24726 Removed paragraph about compression of files and size limitation,
24727 duplicated in the FAQ. Use gcc-patches for posting patches.
24728 * gcc.c (main): Updated URL with bug reporting instructions to
24729 gcc.gnu.org. Removed e-mail address.
24730 * system.h (abort): Likewise.
24732 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24734 * Makefile.in (stmp-multilib-sub): Make the files extracted
24735 from $(LIBGCC1) writable.
24737 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24739 * config/arm/aout.h: Reformat for improved readability.
24741 * config/arm/arm.h: Reformat for improved readability.
24742 Replace uses of fprintf with asm_fprintf where appropriate.
24743 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24744 function declaration assembler actions.
24745 (NUM_INTS): New macro: Convert from bytes to words.
24746 (NUM_REGS): New macro: Compute number of registers required to
24747 hold a quanitity of tyep MODE.
24748 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24750 (NUM_ARG_REGS): New macro: The number of argument registers
24752 (ARG_REGISTER): New macro: Compute the register number of the Nth
24754 (LAST_ARG_REGNUM): New macro: The number of the last argument
24756 (SP_REGNUM): New macro: Register number of the stack pointer.
24757 (FP_REGNUM): New macro: Register number of the frame pointer.
24758 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24759 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24760 CUMULATIVE_ARGS so that it counts registers not bytes.
24762 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24764 Replace uses of fprintf with asm_fprintf where appropriate.
24765 (output_ascii_pseudo_op): Replace with version from thumb.c
24767 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24769 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24770 SUBTARGET_CPP_SPEC.
24771 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24772 (ASM_FILE_START): Emit ASM_APP_OFF.
24774 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24776 * pa.c (compute_frame_size): Round frame according to
24777 STACK_BOUNDARY rather than a hardwired value.
24779 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24781 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24783 * configure: Rebuilt.
24785 * configure.in (hppa*-*-linux*): New configuration.
24786 * configure: Rebuilt.
24787 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24788 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24789 * pa/pa-linux.h: New file.
24790 * pa/t-linux: New file.
24791 * pa/xm-linux.h: New file.
24793 * pa.c (hppa_legitimize_address): Change references from SImode to
24794 either Pmode or word_mode as appropriate.
24795 (emit_move_sequence, store_reg, load_reg): Likewise.
24796 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24797 (output_mul_insn): Likewise.
24798 * pa.h (PROMOTE_MODE): Likewise.
24799 (INITIALZE_TRAMPOLINE): Likewise.
24800 (Pmode): Define to word_mode.
24802 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24803 value of 4. Allocate 8 bytes for each FP register save.
24804 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24806 (hppa_expand_prologue): Likewise.
24807 * pa.h (PROMOTE_MODE): Likewise.
24808 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24809 (FUNCTION_ARG_BOUNDARY): Likewise.
24811 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24813 * pa.c (out_of_line_prologue_epilogue): Delete.
24814 (override_options): Remove -mspace related code.
24815 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24816 (compute_frame_size): Only allocate space for register that
24817 actually need to be saved.
24818 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24819 (TARGET_SWITCHES): Remove -mspace, -mno-space
24820 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24821 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24822 * pa/ee.asm, pa/ee_fp.asm: Delete.
24824 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24826 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24827 directive in column zero.
24829 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24831 * m68k.c (output_function_prologue): Fix computation of save mask
24832 when generating PIC code.
24834 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24836 * tree.c (build_type_attribute_variant): Move current_obstack restore
24837 after build_qualified_type call.
24839 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24841 * configure.in: Use t-iris6, even with GNU LD.
24842 * config/mips/iris6gld.h: Fix typo in linker spec.
24843 * config/mips/t-iris6gld: Remove.
24845 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24847 * rs6000.md (insv, extzv): Remove SImode dependence in named
24848 patterns. Explicitly generate DImode RTL if PowerPC64 and
24850 (insvdi): Reverse start and size in instruction template.
24852 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24854 * invoke.texi: Typo fixes.
24856 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24858 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24859 handle at this time instead of silently generating incorrect code.
24860 (gen_imagpart): Likewise.
24862 * reload.c (find_reloads): Emit a USE for a pseudo register without
24863 a hard register if we could not create an optional reload for the
24866 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24868 * c-typeck.c (output_init_element, process_init_element):
24869 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24870 check for nameless bit fields.
24872 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24874 * regclass.c (scan_one_insn): Notice subregs that change the
24875 size of their operand.
24876 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24878 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24880 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24881 * configure: Rebuilt.
24882 * alpha/t-ieee: New file.
24884 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24886 * rs6000.c (find_addr_reg): Do not select r0 as an address
24889 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24891 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24893 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24895 * rs6000.md (movsf): Do not force easy FP constants into memory.
24897 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24898 immed_double_const to ensure they are properly truncated then
24901 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24903 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24904 always unless NO_DEBUG is used. Compile this code
24906 (replace_symbols_in_block): Compile it unconditionally.
24908 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24910 * configure.in (i?86-*-elf*): New target.
24911 * configure: Rebuilt.
24912 * i386/i386elf.h, i386/t-i386elf: New files.
24914 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24916 * toplev.c (main): Don't complain about saying -gdwarf.
24917 (rest_of_compilation): Remove redundant code.
24919 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24921 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24923 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24925 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24926 "Li960R:", to avoid name clash.
24928 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24930 * loop.c (check_dbra_loop): When reversing a loop, delete all
24931 REG_EQUAL notes referencing the reversed biv except those which are
24932 for a giv based on it.
24934 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24936 * version.c: Drop "gcc-" prefix from version #.
24938 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24940 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24941 the label if we're being verbose.
24943 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24945 * m68k.c (output_function_prologue): Add pic register to mask
24946 if live and flag_pic.
24947 (output_function_epilogue): Likewise.
24949 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24951 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24952 directives in column zero.
24954 * pa/elf.h (ASM_FILE_START): Define.
24955 * pa/som.h (ASM_FILE_START): Include .level directives.
24956 * pa/hpux10.h (ASM_FILE_START): Delete.
24957 * pa/hpux11.h (ASM_FILE_START): Delete.
24959 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24961 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24963 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24964 when reload_out equals reload_in.
24966 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24968 * invoke.texi (Spec Files): New node: Describe the contents of
24971 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24973 * invoke.texi (DEC Alpha Options): Put @end table at
24974 beginning of line, to avoid confusing texi2html.
24976 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24978 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24979 introduced in previous delta.
24981 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24983 * reload1.c (gen_reload): When synthesizing a 3 operand add
24984 sequence, improve test for when to reload OP1 into the reload
24985 register instead of OP0.
24987 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24989 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24991 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24993 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24996 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24998 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24999 (va_dcl): Use __builtin_va_alist_t.
25001 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25003 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25004 on the permanent_obstack.
25005 * dwarfout.c (output_type): Likewise.
25007 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25009 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25010 Merged from c-typeck.c and cp/typeck.c.
25011 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25012 Merged into c-common.
25014 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25016 * c-lex.c (errorcount): Declare it.
25017 (finish_parse): Update errorcount when using CPPLIB.
25019 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25021 * fixinc/inclhack.def(end_else_label): Double the backslash so
25022 sed gets a chance to see it.
25023 * fixinc/inclhack.sh: regen
25024 * fixinc/fixincl.x: regen
25026 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25028 Add framework to support armv5 architecture when it becomes
25031 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25032 (arm_arch5): New variable.
25033 (all_architectures): Add armv5 line.
25034 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25035 -march=armv5 is specified on the command line.
25036 (arm_arch5): Export this variable.
25037 * invoke.texi: Document new string accepted by -march= switch for
25040 * config/arm/arm.h: Replace use of constant 12 as a register
25041 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25042 * config/arm/arm.c: Replace use of constant 12 as a register
25043 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25045 * config/arm/elf.h: Tidy up.
25046 * config/arm/coff.h: Tidy up.
25048 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25050 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25051 * gcc/config/mips/t-iris6gld: New file.
25052 * gcc/config/mips/iris6gld.h: Likewise.
25054 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25056 * c-decl.c (widest_integer_literal_type_node,
25057 widest_unsigned_literal_type) : New.
25058 (init_decl_processing): Handle/use the two new types.
25059 * c-common.c (type_for_size,type_for_mode) : Same.
25060 * c-lex.c (yylex) : Same.
25061 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25063 * c-tree.h (widest_integer_literal_type_node,
25064 widest_unsigned_literal_type) : New.
25066 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25068 * dwarfout.c (field_byte_offset): Correctly compute the object's
25069 byte offset for the first bit of a field which crosses an alignment
25070 boundary on a !BYTES_BIG_ENDIAN target.
25072 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25074 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25077 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25078 Jeff Law <law@cygnus.com>
25080 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25083 * except.c: Include intl.h.
25084 (expand_eh_return): Set current_function_cannot_inline.
25085 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25086 * function.h (struct function): Add eh_return_stub_label.
25087 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25088 * Makefile.in (except.o): Depend on intl.h.
25090 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25092 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25093 same as offsettable in cases 1 and 2.
25095 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25097 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25098 (extlh, extwh): Likewise.
25100 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25102 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25104 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25106 * configure.in: Add arm-pe and thumb-pe targets.
25107 * configure: Regenerate.
25109 * thumb.c (arm_naked_function_p): New function: Determines if
25110 a function is naked (has no gcc generated prologue/epilogue).
25111 (is_called_in_ARM_mode): Return true if the func has the
25112 interfacearm attribute.
25113 (output_return): Do not generate a return for naked functions.
25114 (thumb_function_prologue): Do not generate a prologue for
25116 (thumb_expand_prologue): Do not generate a prologue for naked
25118 (thumb_expand_epilogue): Do not generate an epilogue for naked
25120 (arm_valid_machine_decl_attribute): New function, copied from
25121 arm.c: Permit naked and interfacearm attributes.
25123 * config/arm/pe.c: New file: Support code for arm-pe target.
25124 * config/arm/pe.h: New file: Header file for arm-pe target.
25125 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25126 * config/arm/t-thumb-pe: New file: Makefile fragment for
25129 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25131 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25132 -fPIC or -fpic is specified.
25134 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25136 * expr.c (emit_block_move): Use copy_to_mode_reg for
25137 !TARGET_MEM_FUNCTIONS case too.
25139 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25141 * configure: Rebuilt.
25142 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25143 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25144 definitions made redundant by dbxelf.h inclusion. Delete
25145 lots of definitions related to assembly output that are
25146 specific to the SOM object format.
25147 * pa.c (output_function_prologue): Do not emit the function's
25149 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25150 * pa-pro.h: Deleted.
25151 * som.h: New file with SOM specific definitions.
25152 * elf.h: New file with ELF specific definitions.
25154 * elfos.h (const_section): Output a tab before assembler directives.
25155 (ctors_section, dtors_section): Likewise.
25156 (ASM_OUTPUT_SECTION_NAME): Likewise.
25158 * pa/pa1.h: Delete unused file.
25160 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25162 * configure.in (hppa*-hp-hpux11*): New configuration.
25163 * configure: Rebuilt.
25164 * pa/pa-hpux11.h: New file.
25165 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25168 * mips.md (leasi, leadi): New patterns.
25170 * expr.c (emit_block_move): Properly handle case where one of the
25171 block move arguments has a queued increment or decrement.
25172 (clear_storage): Similarly. Fix formatting goof.
25174 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25176 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25177 semicolon from the BSD VA_LIST replacement expression.
25179 * fixinc/inclhack.sh: regen
25180 * fixinc/fixincl.x: regen
25182 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25183 now use the fixincl program.
25185 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25187 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25188 case. Also make the PIC register call_used.
25190 * m68k.h (FINALIZE_PIC): Delete.
25191 * m68k.c (finalize_pic): Delete.
25193 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25195 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25198 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25200 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25202 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25204 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25206 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25208 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25210 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25212 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25214 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25216 * rs6000.c (output_toc): Always use hex values for floating-point
25217 constants. Store single-precision values in upper-half of TOC
25218 entry in 64-bit mode.
25219 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25220 to final constraints.
25221 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25222 (fctiwz): Improve accuracy of RTL for pattern.
25224 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25226 * expr.c (expand_expr): Allow RTL_EXPR's through the
25227 MAX_INTEGER_COMPUTATION_MODE checks.
25229 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25231 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25232 such that MASK_SUPPORT_ARCH is not negative.
25234 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25236 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25237 ADDR_DIFF_VEC insns that appear inside loops.
25239 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25240 Jeff Law <law@cygnus.com>
25242 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25243 Handle LO_SUM the same as offsettable in cases 1 and 2.
25244 * rs6000.c (find_addr_reg): Revert previous patch.
25246 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25248 * system.h (strstr): New external function declaration.
25249 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25250 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25251 * config.in, configure: Rebuilt.
25253 1999-06-24 Tom Tromey <tromey@cygnus.com>
25255 * gcc.c (main): Read user-specified specs files after computing
25256 additional startfile_prefixes.
25258 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25260 Revert these two patches:
25262 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25263 * loop.c (strength_reduce): When doing biv->giv conversion, update
25264 reg note of NEXT->insn.
25266 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25267 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25269 (recombine_givs): Set ix field after sorting.
25271 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25273 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25274 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25276 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25278 *fixinc/inclhack.def: Add fix development commentary
25279 (read_ret_type): reactivate and add selection clause
25280 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25281 *fixinc/{fixincl.x|inclhack.sh}: regen
25283 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25285 * expr.c (expand_expr): STRIP_NOPS before checking against
25286 MAX_INTEGER_COMPUTATION_MODE
25287 (check_max_integer_computation_mode): Likewise.
25289 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25291 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25293 1999-06-22 Jim Wilson <wilson@cygnus.com>
25295 * expr.c (store_expr): When target is a promoted subreg, return a
25296 promoted subreg as a result.
25298 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25300 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25302 (dwarf2out_define): Mark unused parameters appropriately.
25303 (gen_unspecified_parameters_die): Ditto.
25304 (gen_subprogram_die): Fix signed/unsigned warnings.
25305 (gen_variable_die): Ditto.
25307 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25309 * fixinc/inclhack.def(end_else_label): combined else_label
25310 and endif_label and fixed the sed expression.
25311 *fixinc/{fixincl.x|inclhack.sh}: regen
25313 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25315 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25316 'x' when handling non-offsettable addresses
25318 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25320 * final.c (shorten_branches): Don't try to split an insn that has
25323 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25325 * config/mips/mips.c (symbolic_expression_p): New function.
25326 (mips_select_rtx_section): Put symbolic expressions in the
25327 data section, not the read-only data section.
25329 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25331 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25333 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25335 * collect2.c (main): Log frame table count.
25336 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25337 (scan_prog_file) [COFF]: Handle frame tables.
25339 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25340 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25341 * alpha/elf.h: Undef them again.
25342 * alpha/vms.h: Remove their definitions.
25344 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25346 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25347 remove the clobber of r0 and change the REG_UNUSED note to
25350 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25352 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25353 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25354 fits in HOST_WIDE_INT and one uses union to access a long constant
25357 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25359 * sparc.c (sparc_override_options): Don't allow profiling for
25360 code models other than medlow.
25361 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25362 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25363 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25364 (sparc_block_profiler): Likewise.
25365 (sparc_function_block_profiler_exit): Likewise.
25366 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25367 (FUNCTION_BLOCK_PROFILER): Likewise.
25368 (BLOCK_PROFILER): Likewise.
25369 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25370 (MCOUNT_FUNCTION): New.
25371 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25372 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25373 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25374 (MCOUNT_FUNCTION): New.
25375 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25376 (BLOCK_PROFILER): Delete.
25377 (MCOUNT_FUNCTION): New.
25379 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25381 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25383 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25385 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25388 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25391 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25394 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25397 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25399 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25402 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25404 * i386/djgpp.h (LIB_SPEC): New.
25405 (STARTFILE_SPEC): New.
25407 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25409 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25411 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25414 * system.h (WSTOPSIG): New macro.
25416 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25418 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25420 (insert_pack_attributes): Take into account member natural
25423 * i386/winnt.c (exports_head): New static variable.
25424 (i386_pe_record_exported_symbol): New function.
25425 (i386_pe_asm_file_end): Use.
25426 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25427 symbols to be emitted at end of assembly.
25428 (ASM_DECLARE_OBJECT_NAME): Likewise.
25429 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25431 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25434 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25436 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25439 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25441 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25442 zapping reg_last_uses directly.
25443 (sched_analyze_2, sched_analyze_insn): Likewise.
25444 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25446 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25448 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25449 attributes for cases 1 and 2.
25451 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25453 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25456 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25458 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25460 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25462 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25463 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25464 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25465 must be stacked if it is used for PIC accesses.
25466 * arm.c (use_return_insn): Handle PIC register specially.
25467 (output_return_instruction): Likewise.
25468 (output_func_{prologue,epilogue}): Likewise.
25469 (output_expand_prologue): Likewise.
25471 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25472 (*strsi_predec): Renamed from *strqi_predec.
25473 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25474 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25476 * arm.c (arm_override_options): Remove warning about PIC code
25477 not being supported.
25479 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25481 * rs6000.c (find_addr_reg): New function.
25482 * rs6000.h (find_addr_reg): Declare.
25483 (offsettable_addr_operand): Delete.
25484 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25485 from and stores to GPRs.
25487 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25489 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25490 gen_sequence as argument to emit_no_conflict_block.
25492 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25494 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25495 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25496 *fixinc/fixincl.x: regen
25497 *fixinc/inclhack.sh: regen
25499 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25501 * added support for -mpcrel (PC relative addressing for m68k)
25502 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25503 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25504 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25505 (comments for general_src_operand): Add some explanation
25506 about EXTRA_CONSTRAINTS.
25507 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25508 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25509 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25510 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25511 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25512 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25513 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25514 if not already set.
25515 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25516 * m68k.h (TARGET_PCREL): New target flag.
25517 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25518 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25519 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25520 contains a SYMBOL_REF. Relax this constraint during reload, since
25521 we want to use the predicates, not reload's built-in concept of a
25522 valid memory address, to control what insns need reloading.
25523 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25524 operands (essentially 'g', 'm', and 's' under normal circumstances).
25525 * m68k.c (print_operand): Cause printing of pc-relative addresses
25526 to include pc register.
25527 (print_operand_address): Ditto.
25528 (general_src_operand): Accept operands that are not only
25529 general_operands, but are also valid when used as a pc-relative
25531 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25532 (memory_src_operand): Similar, for memory_operands.
25533 (pcrel_address): New predicate to accept the special case of a
25534 pc-relative address.
25535 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25536 QImode insns to accept *_src_operand instead of *_operand where
25537 pc-relative operands can fit. For example, a pc-relative operand
25538 can be used as a memory source operand for addsi3, but not as a
25539 memory destination.
25540 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25542 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25544 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25545 .thumb_set pseudo op to mark aliases of thumb functions.
25547 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25549 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25550 preference to ASM_OUTPUT_DEF, if it is defined.
25552 * tm.texi: Document new, optional target macro
25553 ASM_OUTPUT_DEF_FROM_DECLS.
25555 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25557 * fixincludes: ISCNTL patch
25558 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25559 (dgux_int_varargs): new for DG/UX
25560 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25562 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25564 * invoke.texi (ia32 options): Fix typo.
25566 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25568 * loop.c (strength_reduce): When doing biv->giv conversion, update
25569 reg note of NEXT->insn.
25571 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25573 * loop.c (move_movables): Note issues with replacing REGs with
25575 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25577 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25579 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25581 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25582 the reference to `mcount' was not correct for the ELF on FreeBSD.
25584 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25586 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25589 (recombine_givs): Set ix field after sorting.
25591 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25593 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25594 to safe to extract a subword out of a REG.
25596 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25598 * sh.md (mulsi3): Don't add a no-op move at the end.
25600 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25602 * cse.c (cse_insn): Don't put hard register source into tables for
25603 the last insn of a libcall.
25605 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25607 * loop.c (strength_reduce): Insert sets of derived givs at every
25608 biv increment, even if it's the only one.
25610 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25612 * dwarfout.c (add_incomplete_type): New fn.
25613 (output_type): Call it.
25614 (retry_incomplete_types): New fn.
25615 (dwarfout_finish): Call it.
25617 From Eric Raskin <ehr@listworks.com>:
25618 (output_type): Output types for bases.
25620 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25622 * mips.c (mips_output_conditional_branch): Add `break'
25623 between `default' label and `close braces'.
25625 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25627 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25628 specifications and make it realistic.
25629 (LIB_SPEC): Likewise.
25631 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25633 * config/mips/mips.c (mips_secondary_reload_class): Check for
25634 (PLUS (SP) (REG)) and return appropriate register class.
25635 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25636 Handle (PLUS (SP) (REG)).
25637 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25638 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25639 of emit_insn for tablejump.
25641 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25643 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25644 asm_fprintf format string by itself.
25645 (output_function_profiler): Likewise.
25647 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25649 * combine.c (simplify_logical, case AND): Only call
25650 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25651 or the constant is positive.
25653 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25655 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25656 * configure: Regenerate.
25658 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25660 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25661 require a sub-version #.
25662 * configure: Rebuilt.
25664 1999-06-14 Robert Lipe (robertlipe@usa.net)
25666 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25668 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25670 * c-typeck.c (process_init_element): Detect excess elements in
25671 char array initializer.
25673 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25675 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25677 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25679 * invoke.texi (Option Summary): Add -fpermissive flag.
25681 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25683 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25684 that require PIC code sequences.
25686 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25688 * configure.in: Add new target: thumb-elf.
25689 * configure: Regenerate.
25690 * config/arm/t-thumb-elf: New file: Makefile fragment for
25692 * config/arm/telf.h: New file: Header file for thumb-elf
25695 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25697 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25698 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25699 initializers is some circumstances.
25701 * fixinc/inclhack.def (endif_label): Add additional selector for
25702 more bogus stuff after #endif statements.
25703 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25705 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25707 * i386/cygwin.h (SET_ASM_OP): Define.
25709 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25711 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25713 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25715 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25718 * sh.md (ic_invalidate_line_i): Remove second alternative.
25720 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25722 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25723 test for the presence of valid prototypes. Delete bypass expr.
25724 (ioctl_fix_ctrl): Correct the selection expression.
25725 (no_double_slash): Correct quoting rules
25726 *fixinc/fixincl.x: regen
25727 *fixinc/inclhack.sh: regen
25729 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25731 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25733 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25735 * rs6000.md (movsi_got_internal_mem): Delete.
25736 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25737 (GOT_TOC_REGNUM): Delete.
25738 (PIC_OFFSET_TABLE_REGNUM): Define.
25739 (FINALIZE_PIC): Disable.
25740 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25741 (rs6000_replace_regno): Delete.
25742 (rs6000_finalize_pic): Likewise.
25743 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25745 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25747 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25748 is a note; use <= for the compare; advance P while it is
25751 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25753 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25754 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25756 * varasm.c (remove_from_pending_weak_list): Verify t->name
25757 is non-NULL before passing it to strcmp.
25759 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25761 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25762 the typed arguments are not part of a comment
25763 (ioctl_fix_ctrl): Added a purpose comment
25764 *fixinc/fixincl.x: regenerate
25765 *fixinc/inclhack.sh: regenerate
25767 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25769 * invoke.texi: Add C4x invocation docs.
25771 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25773 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25775 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25777 (c4x_legitimize_reload_address): New function.
25778 * config/c4x/c4x.md: Update docs.
25780 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25782 * fixincludes: Avoid removing '.'.
25783 * fixinc/fixinc.svr4: Likewise.
25784 * fixinc/fixinc.winnt: Likewise.
25785 * fixinc/inclhack.tpl: Likewise.
25786 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25788 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25790 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25792 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25794 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25796 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25799 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25801 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25802 * configure: Regenerate.
25804 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25806 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25809 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25811 * fixinc/inclhack.def (avoid_bool): Also catch
25812 "typedef [unsigned] int bool".
25813 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25815 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25816 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25817 * configure: Rebuilt.
25819 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25821 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25822 such that we can override its definitions if necessary.
25823 (CPP_SPEC): New define. Support processor specific predefines via
25825 (CC1_SPEC): New define. Support processor specific compiler
25826 options via %(cc1_cpu).
25827 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25830 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25832 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25833 between sed's -e flag, and the open-quote following it.
25834 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25836 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25837 Jeffrey A Law (law@cygnus.com)
25839 * varasm.c (assemble_start_function): Remove the function
25840 from the pending weak decls list when we define a function.
25841 (assemble_variable): Similarly for variables.
25842 (weak_finish): Ignore items on the list with a NULL name.
25843 (remove_from_ending_weak_list); New function to "remove" an item
25844 from the pending weak declarations list.
25846 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25848 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25850 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25852 * c-lex.c (GETC): Redefine to call getch.
25853 (UNGETC): Redefine to call put_back.
25854 (putback_buffer): New structure type.
25855 (putback): New static structure.
25856 (getch): New function.
25857 (put_back): New function.
25858 (yylex): Replace unused bytes from bad multibyte character.
25860 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25862 * cpplib.c (do_define): Cast `alloca' return value.
25863 (do_include, do_undef, do_pragma): Likewise.
25864 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25866 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25867 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25869 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25871 * sparc.md (abstf2): This should be an expand.
25872 (split after abstf2_notv9): Fix mode.
25873 (abstf2_hq_v9): New pattern.
25874 (abstf2_v9): Only use when no hard quad.
25875 (absdf2_v9): Fix if target is not the same as source.
25876 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25877 Add correct output constraints.
25879 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25881 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25882 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25884 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25886 * mips.h (mips_output_conditional_branch): New function.
25887 (mips_adjust_insn_length): Likewise.
25888 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25889 (ADJUST_INSN_LENGTH): Likewise.
25890 * mips.c (print_operand): Add `F' and `W' for floating-point
25891 comparison opcodes.
25892 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25894 (mips_adjust_insn_length): New function.
25895 (mips_output_conditional_branch): New function.
25896 * mips.md (length): Adjust attribute definition to handle
25897 conditional branches. Change lengths to bytes, rather than
25898 instructions throughout. Remove length attribute from
25899 instructions whose length is four bytes, and rely on the default
25901 (dslot): Fix typo in comment.
25902 Reword conditional branch patterns to use
25903 mips_output_conditional_branch.
25905 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25907 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25908 (LIB_SPEC): Likewise.
25909 Link with -lprof1_r for -g/-pg.
25911 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25913 * loop.c (check_dbra_loop): Fix change of Jan 19.
25915 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25917 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25918 (STARTFILE_SPEC): Define, override the svr4.h version.
25919 (ENDFILE_SPEC): Likewise.
25921 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25923 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25924 * fixinc/fixincl.x: Regenerated.
25925 * fixinc/inclhack.sh: Regenerated.
25927 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25929 * sh.c (barrier_align): Don't return early for normal branch/barrier
25930 when optimizing for SH2.
25932 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25934 * i386/udk.h (LINK_SPEC): Correct linker search path for
25937 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25939 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25940 (braf_label_ref_operand): Delete.
25941 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25942 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25943 label_ref, and has no predicate.
25944 The patten has a predicate to guard against invalid substitutions.
25945 (dummy_jump): Delete.
25946 (casesi): Update use of casesi_jump_2.
25948 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25950 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25951 *fixinc/fixincl.x: regenerate
25952 *fixinc/inclhack.sh: regenerate
25954 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25956 * dwarf2out.c (add_incomplete_type): New fn.
25957 (gen_struct_or_union_type_die): Call it.
25958 (retry_incomplete_types): New fn.
25959 (dwarf2out_finish): Call it.
25961 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25963 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25964 current block starts with a CODE_LABEL and ends with a CALL and
25965 we can not find all the argument setup instructions for the CALL.
25967 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25969 Revert this change:
25970 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25971 something is a candidate for optimize_bit_field_compare.
25973 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25975 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25977 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25979 * alpha.c (override_options): Thinko in last patch.
25981 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25982 (LIB_SPEC): Recognize -pthread.
25984 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25986 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25987 definition in config/arm/coff.h
25988 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25990 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25992 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25993 fixes that need "file=xxx\n" prepended before invocation
25994 (start_fixer - new): starting the fixer process is complex enough
25995 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25996 (process): uses the new routine; omit usage of putenv()
25997 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25998 * fixinc/fixincl.x: regenerate
26000 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26002 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26003 and version #s (1.1 -> 2.96) as needed.
26004 * README.g77: Kill way out of date file in the toplevel directory.
26006 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26008 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26009 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26010 * configure: Rebuilt.
26011 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26012 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26013 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26014 (SWITCH_TAKES_ARG): Likewise.
26015 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26016 * config/t-freebsd: Moved from config/i386/ so it can used for all
26019 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26021 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26023 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26025 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26026 * configure: Rebuilt.
26028 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26030 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26031 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26032 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26033 (rs6000_output_load_toc_table): Same.
26034 (output_prolog, output_mi_thunk): Same.
26035 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26036 (ASM_GLOBALIZE_LABEL): Use putc.
26038 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26040 * alpha.md (reload_*_help): New patterns and splitters.
26041 (reload_*): Use them.
26042 (mov[qh]i): Likewise.
26044 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26046 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26049 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26051 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26053 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26055 * flow.c (mark_regs_live_at_end, insn_dead_p,
26056 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26057 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26058 hasn't run or the frame pointer is needed.
26059 * haifa-sched.c (attach_deaths): Likewise.
26060 * sched.c (attach_deaths): Likewise.
26062 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26064 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26065 calculate_can_reach_end returns nonzero.
26067 * configure.in (native gas tests): Search for an assembler in the
26068 same manner that the installed compiler will.
26069 * configure: Rebuilt.
26070 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26072 * alias.c (find_base_term): Improve handling of addresses
26073 constructed from binary operations.
26075 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26077 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26079 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26081 * function.h (cleanup_label, frame_offset): Declare.
26082 (tail_recursion_label, tail_recursion_reentry): Likewise.
26083 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26084 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26085 (tail_recursion_label, tail_recursion_reentry): Likewise.
26086 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26088 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26090 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26092 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26093 (MAX_OFILE_ALIGNMENT): Define.
26095 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26097 * fixincl.c: Replace local include scheme with #includes of
26098 gansidecl.h and system.h.
26099 * procopen.c: Likewise.
26100 * server.c: Likewise.
26102 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26104 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26105 (crti.o): Add build rule and dependencies.
26106 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26108 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26110 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26111 (LIB_LINUX_SPEC): Likewise.
26112 (LIB_LINUX_SPEC): Add support for -pthread
26113 (CPP_OS_LINUX_SPEC): Likewise.
26114 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26117 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26119 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26121 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26122 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26123 for IEEE math and CC_FCOMI.
26124 (put_jump_code): No IEEE if CC_FCOMI is set.
26126 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26128 * fold-const.c (fold_truthop): Make the field reference unsigned
26129 when converting a single bit compare.
26131 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26133 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26135 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26137 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26138 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26141 * reload.c (push_reload): Do not call remove_address_replacements
26142 when presented with identical optional reloads.
26144 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26146 * alpha.h (MASK_FIX, TARGET_FIX): New.
26147 (MASK_*): Reorganize constants.
26148 (CPP_AM_FIX_SPEC): New.
26149 (TARGET_SWITCHES): Add FIX.
26150 (EXTRA_SPECS): Likewise.
26151 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26152 (SECONDARY_MEMORY_NEEDED): Likewise.
26153 (REGISTER_MOVE_COST): Likewise.
26154 * alpha.c (override_options): Add FIX support. Always use
26155 ALPHA_TP_PROG for ev6.
26156 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26157 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26158 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26160 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26162 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26163 something is a candidate for optimize_bit_field_compare.
26165 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26167 * gcc.texi (Passes): Document branch-shortening.
26168 * invoke.texi (Debugging Options): Document the fact that `-dp'
26169 outputs length information for instructions.
26171 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26173 * flow.c: Revert previous delta.
26175 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26177 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26178 FRAME_POINTER_REGNUM.
26179 (mark_set_1): Ditto.
26180 (mark_used_regs): Ditto.
26182 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26184 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26185 (GOT_PCREL): New macro. Define to 1 if not already defined.
26186 * arm/elf.h (GOT_PCREL): Define to 0.
26187 * arm.c (arm_finalize_pic): Take into account the setting of
26190 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26192 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26193 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26195 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26196 store elimination candidates.
26198 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26200 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26203 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26205 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26206 Add use of x-aix41-gld.
26208 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26210 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26211 (ASM_OUTPUT_DESTRUCTOR): Define.
26213 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26215 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26216 last CODE_LABEL in a loop if we have previously passed a jump
26217 to the top of the loop.
26219 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26221 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26222 applying Philip's patch.
26224 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26226 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26229 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26231 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26233 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26235 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26236 Also remove a useless comment.
26238 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26240 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26242 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26244 * collect2.c (main): Only generate import or export file and add
26245 to link arguments if non-empty. Use xmalloc not alloca.
26246 (write_{export,import}_file): Delete.
26247 (write_aix_file): New function.
26248 (locatelib): Use xmalloc not malloc.
26249 (GCC_OK_SYMBOL): Do not check type if aix64.
26251 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26253 Based on patch by Scott Bambrough and Pat Beirne:
26254 * config/arm/arm.c (making_const_table): New variable.
26255 * config/arm/arm.h (making_const_table): Declare.
26256 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26258 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26259 Keep track of when we are building the constant table.
26261 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26263 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26266 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26268 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26271 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26273 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26276 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26278 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26280 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26282 * rs6000.c (output_mi_thunk): Enable full support again.
26284 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26286 * sh.h (BRANCH_COST): Define.
26288 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26290 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26292 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26294 * function.c (assign_stack_local): Align stack slot propertly.
26295 (assign_outer_stack_local): Likewise.
26297 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26299 * expr.h (lang_expand_constant): Declare.
26300 * toplev.c (lang_expand_constant): Define it.
26301 * varasm.c (output_constant): Use it.
26303 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26305 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26306 Change function definitions to K&R style.
26308 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26310 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26312 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26314 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26315 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26316 (several places): omit static initialization
26317 (process): use single fd, since only the read fd is used
26318 * fixinc/gnu-regex.c: define 'const' away, if not supported
26319 * fixinc/procopen.c(several places): omit static initialization
26320 * fixinc/server.c: define 'volitile' away, if not supported
26322 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26324 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26325 asm_fprintf and %L to generate the label name.
26326 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26327 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26329 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26331 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26332 insn for a conditional jump can not be found.
26334 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26336 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26337 on variables in specific sections other than .sbss and .sdata.
26339 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26341 * stmt.c (expand_return): Call start_cleanup_deferral and
26342 end_cleanup_deferral around conditional code.
26344 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26346 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26347 filename lists. Utilizes new "krstr" AutoGen function.
26348 * fixinc/fixincl.x: Rebuilt.
26350 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26352 * i386.c (output_float_compare): Avoid GNU-C extensions.
26354 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26356 * version.c: Bump to distinguish mainline tree from the
26359 See ChangeLog.1 for earlier changes.