1 2000-05-01 Richard Henderson <rth@cygnus.com>
3 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
8 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
10 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
12 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
15 2000-05-01 Richard Henderson <rth@cygnus.com>
17 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
18 emit_conditional_move.
20 2000-05-01 Jakub Jelinek <jakub@redhat.com>
22 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
23 as the dynamic linker.
25 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
27 * cppfiles.c (open_include_file): Open file in blocking mode.
28 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
29 Only exclude block devices and directories.
31 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
32 static. Allocate the hashnode and its string in the same
34 (del_HASHNODE): Don't free h->name.
35 (_cpp_lookup): If there is no entry for this string, create
37 (_cpp_lookup_slot): Delete.
38 * cpphash.h: Update prototypes.
40 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
42 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
43 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
44 node here, just fill in the value field properly. "Delete"
45 entries by setting the value field to T_VOID. Check for
46 hp->type == T_VOID, not hp == NULL.
48 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
49 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
52 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
54 * config/mn10300/mn10300.c (print_operand_address): Do not add
57 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
58 adjusted by less than 256 bytes, use ret regardless of having any
59 callee-saved register to restore.
61 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
63 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
65 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
67 * config/i386/djgpp.h (INT_ASM_OP): Define.
68 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
69 (ASM_WEAKEN_LABEL): Define.
70 (MASK_BNU210): Define.
71 (SUBTARGET_SWITCHES): Define.
72 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
73 (MAKE_DECL_ONE_ONLY): Define.
74 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
76 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
78 * i386/cygwin.h (INT_ASM_OP): Define.
80 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
82 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
83 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
85 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
87 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
88 __tmp_reg__ and __zero_reg__ initialization.
90 2000-04-30 Richard Henderson <rth@cygnus.com>
92 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
94 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
95 referenced bewteen the condition and the jump. Don't delete
96 anything but the jump.
98 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
100 * bb-reorder.c (scope_def): New struct.
101 (scope_forest_info): New struct.
102 (struct reorder_block_def): New member "scope".
103 (REORDER_BLOCK_SCOPE): New macro.
104 (relate_bbs_with_scopes): New function and prototype.
105 (make_new_scope): Likewise.
106 (build_scope_forest): Likewise.
107 (remove_scope_notes): Likewise.
108 (insert_intra_1): Likewise.
109 (insert_intra_bb_scope_notes): Likewise.
110 (insert_inter_bb_scope_notes): Likewise.
111 (rebuild_scope_notes): Likewise.
112 (free_scope_forest_1): Likewise.
113 (free_scope_forest): Likewise.
114 (dump_scope_forest): Likewise.
115 (dump_scope_forest_1): Likewise.
116 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
117 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
119 (reorder_basic_blocks): Added calls to build_scope_scope_forest
120 and remove_scope_notes before reordering is done. Added calls to
121 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
122 after reordering is done.
124 2000-40-30 Bruce Korb <bkorb@gnu.org>
126 * fixinc/inclhack.def: Added definitions needed by OSR5,
127 removed two stale entries (defined away with OLD_CPP).
128 * fixinc/inclhack.sh: regen
129 * fixinc/fixincl.x: regen
131 2000-04-30 Richard Henderson <rth@cygnus.com>
133 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
134 from the last insn in the sequence.
136 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
138 * cpplex.c (cpp_idcmp): New function.
139 * cpplib.h: Prototype it.
140 * scan_decls.c (scan_decls): Use it to inspect token names.
141 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
142 the file being run through the preprocessor.
143 (check_macro_names): Provide length of token to cpp_defined.
145 * Makefile.in: Remove stale warning message.
147 * cppfiles.c (redundant_include_p): Provide length of token to
149 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
150 values are unsigned int.
151 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
152 (_cpp_lookup_slot): Do not calculate the hash, either.
153 * cpphash.h: Update prototypes.
154 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
155 Hashes are unsigned int. Calculate hash here, pass by value
158 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
160 * simplify-rtx.c (check_value_useless): Delete function.
161 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
163 (cselib_invalidate_regno): Likewise.
164 (cselib_invalidate_mem_1): Likewise.
165 (references_value_p): Recognize useless values by the fact that they
167 (discard_useless_values): Likewise.
168 (cselib_record_set): This may turn a useless value
171 2000-04-30 Richard Henderson <rth@cygnus.com>
173 * config/d30v: New port.
175 * configure.in (d30v-*): Set fp format.
176 * configure: Rebuild.
178 2000-04-30 Richard Henderson <rth@cygnus.com>
181 * Makefile.in (OBJS): Add it.
182 (ifcvt.o): New target.
183 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
184 and conditional arithmetic.
185 (find_insert_position): Remove.
186 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
187 * toplev.c (DFI_ce, DFI_ce2): New.
188 (dump_file): Add ce and ce2 dumps.
189 (rest_of_compilation): Run if_convert a couple o times. Set
190 cse_not_expected after cse2. Don't set no_new_pseudos until
191 after sched1 or recompute_reg_usage.
193 2000-04-30 Richard Henderson <rth@cygnus.com>
195 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
196 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
198 2000-04-30 Richard Henderson <rth@cygnus.com>
200 * flow.c (struct reg_cond_life_info): New.
201 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
202 (init_propagate_block_info): Initialize them.
203 (free_propagate_block_info): Destruct them.
204 (mark_set_1): Consider conditional life before killing a register.
205 (mark_regno_cond_dead): New.
206 (free_reg_cond_life_info): New.
207 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
208 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
209 (mark_used_reg): Record conditional life.
211 * haifa-sched.c (schedule_insns): Disable death counting
212 sanity check for HAVE_conditional_execution.
214 2000-04-30 Richard Henderson <rth@cygnus.com>
216 * Makefile.in (TIMEVAR_H): New.
217 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
218 (timevar.h): Remove rule.
220 2000-04-29 Richard Henderson <rth@cygnus.com>
222 * config/alpha/crtend.asm: Use C comments instead of #.
223 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
225 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
227 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
229 * cpphash.h (enum node_type: Take out T_MCONST.
230 (union hashval): Move into struct hashnode.
231 (struct hashnode): Pack tighter. Remove file, line, col
233 * cpphash.c: Constify most of the macro-definition structures.
234 (struct definition): Replace by struct object_defn
235 and struct funct_defn. Put file, line, column information
236 here. All users updated to match.
237 (_cpp_create_definition, _cpp_macroexpand): Remove special
238 case for #define WORD OTHERWORD.
239 * cpplib.c (do_undef): Remove T_MCONST case.
241 * cpphash.h: Move struct reflist, struct definition, and the
242 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
243 union hashval. _cpp_free_definition takes a HASHNODE pointer.
244 * cpphash.c (_cpp_free_definition): Free data pointed to by
245 MCONST, XCONST, MACRO, and FMACRO nodes properly.
246 (_cpp_create_definition, del_HASHNODE): Just call
247 _cpp_free_definition to clear out a hashnode.
248 * cpplib.c (do_pragma_poison): Likewise.
250 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
252 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
253 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
254 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
255 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
256 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
257 REGNO_AM33_P): Redefine in terms of the new macros.
258 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
259 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
260 STRUCT_VALUE): Likewise.
261 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
262 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
264 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
266 * regmove.c (struct record_stack_memrefs_data): New.
267 (record_stack_memrefs): New function.
268 (combine_stack_adjustments_for_block): Use it.
270 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
272 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
273 use special_function_p to detect alloca.
275 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
277 * gcc.texi: Fixes for makeinfo 4.0 --html.
279 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
281 * pcp.h: Delete file.
283 2000-04-28 Kazu Hirata <kazu@hxi.com>
285 * h8300.c (function_epilogue): Clean up flags when the last insn
286 in a function is a barrier.
288 2000-04-28 Chris Demetriou <cgd@sibyte.com>
290 * configure.in (sparc-hal-solaris2*): protect [] glob from
292 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
293 rather than hard-coded constants in target_cpu_default2.
294 * configure: Regenerate.
296 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
298 * tree.c (get_callee_fndecl): Extract the initial value from
301 2000-04-28 Richard Henderson <rth@cygnus.com>
303 * varasm.c (record_constant_1): Record the CODE_LABEL when
304 taking the address of a LABEL_REF.
306 2000-04-28 Richard Henderson <rth@cygnus.com>
307 Jan Hubicka <jh@suse.cz>
309 * calls.c (combine_pending_stack_adjustment_and_call): Return the
310 adjustment; don't do the stack adjust.
311 (expand_call): Call compute_argument_block_size right before
312 allocating the block; update comment; don't do alignment sanity
313 checking for sibling call; use args_size instead of
314 unadjusted_args_size before args_size is adjusted. Use
315 combine_pending_stack_adjustment_and_call to compute stack adjust
316 for must_preallocate case.
318 * expr.c (push_block): Remove shadow `temp' in inner scope.
320 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
322 * toplev.c (rest_of_compilation): Call
323 note_deferral_of_defined_inline_function even if the function
326 2000-04-28 Scott Bambrough <scottb@netwinder.org>
328 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
330 2000-04-28 Richard Henderson <rth@cygnus.com>
332 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
334 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * timevar.c (init_timevar): DeANSIfy function definition.
338 2000-04-27 Alex Samuel <samuel@codesourcery.com>
340 * Makefile.in (timevar.o): Depend on flags.h.
341 * timevar.c (unused_stack_instances): New variable.
342 (timevar_push): Take a timevar_stack_def from
343 unused_stack_instances if available.
344 (timevar_pop): Push the popped timevar_stack_def onto
345 unused_stack_instances.
346 (TIMEVAR_ENABLE): New macro.
347 (timevar_def): Make standalone a 1-bit field. Add field used.
348 (get_time): Rename parameter to now. Return after clearing it if
350 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
351 (timevar_pop): Likewise.
352 (timevar_stop): Likewise.
353 (timevar_push): Likewise. Mark the timing variable as used.
354 (timevar_start): Likewise.
355 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
356 timevars that were never used.
358 2000-04-27 Mark Mitchell <mark@codesourcery.com>
360 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
361 always TREE_READONLY.
363 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
365 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
366 for call instruction with mode QImode.
368 2000-04-27 Alex Samuel <samuel@codesourcery.com>
370 * Makefile.in (OBJS): Add timevar.o.
371 (toplev.o): Depend on timevar.h.
372 (ggc-simple.o): Likewise.
373 (ggc-page.o): Likewise.
374 (timevar.o): New rule.
375 (timevar.h): New rule.
377 * timevar.h: New file.
378 * timevar.c: Likewise.
379 * timevar.def: Likewise.
381 * toplev.h (gc_time, parse_time, varconst_time): Remove.
382 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
384 (TIMEVAR): Remove macro.
385 (gc_time, parse_time, varconst_time, integration_time, jump_time,
386 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
387 flow_time, combine_time, regmove_time, sched_time,
388 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
389 sched2_time, dbr_sched_time, reorder_blocks_time,
390 rename_registers_time, shorten_branch_time, stack_reg_time,
391 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
393 (compile_file): Don't initialize time variables. Call
394 init_timevar and start TV_TOTAL timer. Call timevar_print instead
395 of many calls to print_time.
396 (rest_of_compilation): Add timing for reload_cse_regs.
397 (get_run_time): Removed to timevar.c.
398 (print_time): Likewise.
399 (get_run_time): Implement using TV_TOTAL time variable.
400 (print_time): Get total run time from get_run_time.
401 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
402 computing elapsed time explicitly.
403 * ggc-simple.c (ggc_collect): Likewise.
404 (gc_time): Remove declaration.
406 2000-04-27 Mark Mitchell <mark@codesourcery.com>
408 * calls.c (combine_pending_stack_adjustment_and_call): New function.
409 (expand_call): Use it.
411 2000-04-27 Jan Hubicka <jh@suse.cz>
413 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
416 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
418 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
421 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
423 * function.c (epilogue_done): Pass whole insn to record_insns.
425 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
427 * cse.c (CSE_ADDRESS_COST): Remove.
428 (find_best_addr): Add new parameter "MODE", use address_cost instead
431 (fold_rtx): Update call of find_best_addr.
432 * rtl.h (address_cost): Declare.
433 * loop.c (general_induction_var): Add new parameter "MODE", use
434 address_cost instead of ADDRESS_COST
435 (init_loop): Use address_cost instead of ADDRESS_COST.
436 (check_insn_for_givs): Update call of general_induction_var.
437 (find_mem_givs): Likewise.
438 (consec_sets_giv): Likewise.
439 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
440 * i386.c (ix86_address_cost): New.
441 * i386-protos.h (ix86_address_cost): Declare.
443 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
445 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
448 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
450 * expr.c (store_expr): Use clear_storage instead of direct memset
453 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
455 * config/mn10300/mn10300.c (mn10300_address_cost): Test
456 ASHIFT, AND and LABEL_REF.
458 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
460 * invoke.texi (-foptimize-sibling-calls): Fix.
462 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
464 * loop.c (load_mems) Don't use hard registers for the hoisting.
466 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
467 calculation; rename const_equiv array in the preconditioning code
468 from loop_unroll to loop_unroll_precondition
470 2000-04-27 Richard Henderson <rth@cygnus.com>
472 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
474 (propagate_one_insn): Clear it. Don't update reg_live here.
475 (init_propagate_block_info): Update for pbi member changes.
476 (free_propagate_block_info): Likewise.
477 (mark_set_1): Know that zero_extract, sign_extract, and
478 strict_low_part don't kill their argument. Alter hard subregs.
479 Update new_set for non-CLOBBER sets. Update reg_live.
480 (find_auto_inc): Update reg_live, not new_dead.
481 (mark_used_reg): Update reg_live, not new_live. Examine new_set
482 to determine if the reg in question was set this insn. Only update
483 reg info with PROP_REG_INFO.
485 2000-04-26 Richard Henderson <rth@cygnus.com>
487 * flow.c (allocate_reg_life_data): Set max_regno here ...
488 (life_analysis): ... not here.
490 * flow.c (calculate_global_regs_live): Force stack pointer
493 2000-04-26 Richard Henderson <rth@cygnus.com>
495 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
496 commit change group changes.
497 (invert_exp_1): Similarly.
498 (redirect_exp, invert_exp): Use them.
499 (redirect_jump_1): New.
500 (invert_jump_1): New.
501 (jump_optimize_1): Remove code subsumed by condexec.c.
502 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
504 2000-04-26 Richard Henderson <rth@cygnus.com>
506 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
508 * genconfig.c (main): Set all HAVE_foo to 1.
510 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
512 2000-04-26 Alex Samuel <samuel@codesourcery.com>
514 * invoke.texi: Document -fssa flag.
516 2000-04-26 Richard Henderson <rth@cygnus.com>
518 * flow.c (count_reg_sets_1): Remove.
519 (count_reg_sets, count_reg_references): Remove.
520 (recompute_reg_usage): Implement with update_life_info.
521 Reallocate life data.
523 2000-04-26 Richard Henderson <rth@cygnus.com>
525 * flow.c (update_life_info): Consider blocks null to mean the
527 (calculate_global_regs_live): Likewise.
528 (life_analysis): Do that instead of collecting all_blocks.
530 2000-04-26 Richard Henderson <rth@cygnus.com>
532 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
533 a still-valid conditional jump.
535 2000-04-26 Richard Henderson <rth@cygnus.com>
537 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
539 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
540 * flow.c (calculate_loop_depth): Remove.
541 * output.h (calculate_loop_depth): Don't declare.
542 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
543 inline; run estimate_probability at the same time.
545 2000-04-26 Neil Booth <NeilB@earthling.net>
547 * cpplib.h: "~=" is not a single pp-token.
548 * cpplex.c: Correct commentary.
550 2000-04-26 Richard Henderson <rth@cygnus.com>
552 * flow.c (mark_set_1): New arguments code and flags; update all
553 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
554 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
555 loop_depth when optimizing for size. Do new_dead update after
556 emitting REG_UNUSED notes. Merge mark_set_reg code.
557 (mark_set_reg): Remove.
558 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
559 arrange to not emit REG_UNUSED notes.
561 2000-04-26 Richard Henderson <rth@cygnus.com>
563 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
564 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
566 2000-04-26 Richard Henderson <rth@cygnus.com>
568 * flow.c (propagate_one_insn): Break out from propagate_block.
569 (init_propagate_block_info): Likewise.
570 (free_propagate_block_info): Likewise.
571 (propagate_block): Use them. Export.
572 * basic-block.h: Declare them all.
574 2000-04-26 Richard Henderson <rth@cygnus.com>
576 * basic-block.h (life_analysis): Declare here ...
577 * output.h: ... not here.
578 * flow.c (life_analysis): Remove nregs parameter; replace
579 remove_dead_code with flags. Remove ssa dead code check.
580 Only init alias analysis if we'll use it.
581 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
582 * ssa.c (convert_to_ssa): Likewise.
583 (convert_from_ssa): Likewise.
584 * toplev.c (rest_of_compilation): Likewise.
586 2000-04-26 Richard Henderson <rth@cygnus.com>
588 * flow.c (flow_delete_block): Rename from delete_block. Export.
589 * basic-block.h (flow_delete_block): Declare.
591 2000-04-26 David S. Miller <davem@redhat.com>
593 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
594 taking a PATTERN of it.
596 2000-04-26 <NeilB@earthling.net>
598 * cpplex.c (spell_other, spell_char): Remove.
600 (token_spelling, trigraph_map): Use unsigned chars.
601 (_cpp_lex_line): Tidy up the switch statement.
602 * cpplib.h: Implement spell_char with spell_string.
605 2000-04-26 <RodneyBrown@pmsc.com>
607 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
608 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
610 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
612 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
613 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
614 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
615 dwarf2out_return_save, dwarf2out_return_reg,
616 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
617 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
618 gen_compile_unit_die, dwarf2out_init): Constify a char*.
620 * dwarf2out.h (dwarf2out_init): Likewise.
622 * dwarfout.c (filename_entry, primary_filename, last_filename,
623 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
625 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
626 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
627 dwarf2out_return_reg): Likewise.
629 2000-04-26 Andreas Jaeger <aj@suse.de>
631 * extend.texi (Function Attributes): Fix description of pure
634 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
636 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
637 before calling rest_of_compilation.
639 2000-04-26 Andreas Jaeger <aj@suse.de>
641 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
644 2000-04-25 Richard Henderson <rth@cygnus.com>
646 * cse.c (cse_insn): Emit barrier after unconditional jump.
648 * calls.c (expand_call): Disable tail call generation once
649 rtx_equal_function_value_matters is false.
651 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
654 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
656 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
658 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
660 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
661 is the primary DIE for a member function.
662 (gen_decl_die): Call set_decl_origin_self here.
663 * dwarfout.c (output_decl): And here.
664 * integrate.c (output_inline_function): Not here.
665 Don't clear DECL_INLINE until after calling rest_of_compilation.
666 (set_decl_origin_self): No longer static.
667 * tree.h: Add prototype.
668 * toplev.c (note_deferral_of_defined_inline_function): Only write
669 out abstract instance for actual inlines.
671 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
673 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
674 EXTENDED_REGS only if TARGET_AM33.
675 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
676 SP_REGS to register allocation and reloading unless absolutely
678 (movsi3): Remove special-case of adding non-constants to SP.
680 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
683 INCLUDES to search and does not provide any of its own. Also it
684 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
685 parameters. Also it does not call AC_DEFINE.
686 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
687 AC_DEFINE and provides for automatic entries for autoheader.
688 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
690 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
691 so we can pass -I flags and include gansidecl.h/system.h in this
694 * acconfig.h: Delete all NEED_DECLARATION_* entries.
696 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
699 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
700 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
702 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
703 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
704 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
705 for these macros. Clean up spacing and linewraps.
707 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
709 * calls.c (expand_call): Use get_callee_fndecl.
711 * print-tree.c (print_node): Print the chain of an _EXPR.
713 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
714 Jim Wilson <wilson@cygnus.com>
715 Andrew Haley <aph@cygnus.com>
717 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
718 and gp save/restore problems.
719 * config/ia64/crtend.asm: Add IA-64 unwind support.
720 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
721 in fr_pad_size calculation.
722 (save_restore_insns): Move PR save area. Correct uses of
724 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
725 (ia64_expand_epilogue): Add eh_epilogue support.
726 (ia64_function_prologue): Emit .prologue directive.
727 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
728 (ia64_override_options): Set init_machine_status and
730 (rtx_needs_barrier): Handle bsp reads and writes.
731 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
732 New static variables.
733 (process_set, process_for_unwind_directive): New functions.
734 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
735 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
736 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
738 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
739 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
740 (struct machine_function): Define.
741 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
743 2000-04-25 Bruce Korb <bkorb@gnu.org>
745 * fixinc/Makefile.in: make the removal of old programs more
747 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
748 install-bin and install-sh
750 2000-04-25 Nick Clifton <nickc@cygnus.com>
752 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
753 defined, define to return zero.
754 (function_cannot_inline_p): If a function has any target
755 specific attributes, then use the macro
756 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
757 whether it can be inlined. If it cannot, issue a suitable
760 * tm.texi: Add a new node 'Inlining' to document the new macro
761 FUNCTION_ATTRIBUTE_INLINABLE_P.
763 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
765 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
768 2000-04-25 Neil Booth <NeilB@earthling.net>
770 Restore previous patch, plus the following fixes:
772 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
773 flags, not CPP_OPEN_PAREN.
774 * cpplex.c (expand_token_space, init_token_list,
775 cpp_free_token_list): Put the dummy token at list->tokens[-1].
776 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
778 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
780 * config/i386/freebsd.h (INT_ASM_OP): Define.
782 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
784 * loop.c (strength_reduce): Fix typo in the last checkin.
786 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
788 * stor-layout.c (finalize_record_size): Simplify to use existing
790 (compute_record_mode): No longer static.
791 * tree.h (compute_record_mode): New declaration.
793 2000-04-25 Neil Booth <NeilB@earthling.net>
795 * Revert my patch below until cause of build failures
798 2000-04-25 Richard Henderson <rth@cygnus.com>
800 * combine.c (combine_instructions): Add missing argument
803 * toplev.c (rest_of_compilation): Delay sibcall optimization
804 until after emit_eh_context.
806 2000-04-24 Nick Clifton <nickc@redhat.com>
808 * combine.c (combine_instructions): Do not try to combine a
809 sequence of insns when the second insn has been replaced by a
812 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
814 * gcc.c (load_specs): New static function.
815 (read_specs): Use it.
817 * gcc.c (lookup_compiler): Make multiple passes for case
818 insensitive filesystems.
820 2000-04-24 Neil Booth <NeilB@earthling.net>
822 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
823 * cpphash.h (_cpp_check_directive): new.
824 * cpplex.c (handle_newline, cpp_free_token_list,
825 init_trigraph_map, trigraph_ok, trigraph_replace,
826 backslash_start, skip_block_comment, skip_line_comment,
827 skip_whitespace, parse_name, parse_number, parse_string,
828 copy_comment, _cpp_lex_line, spell_char, spell_string,
829 spell_comment, spell_name, spell_other, _cpp_lex_file,
830 _cpp_output_list): new.
831 (expand_name_space): take length argument.
832 (init_token_list): add comment list initialisation.
833 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
834 instead of HSPACE_BEFORE.
836 * cpplib.c (_cpp_check_directive): new
837 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
838 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
839 (HSPACE_BEFORE): delete.
840 (TTYPE_TABLE): rearrange.
841 (struct cpp_toklist): update.
843 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
846 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
847 argument form of AC_DEFINE.
849 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
850 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
851 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
852 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
853 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
855 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
857 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
859 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
860 deduced.h): Use -isystem, not -I, for including system headers.
862 2000-04-24 Nick Clifton <nickc@cygnus.com>
864 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
865 the source register is the frame pointer or arg pointer.
866 (addsi3_small_int): Disallow if source register is the frame
867 pointer or arg pointer.
869 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
871 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
872 call to AC_MSG_RESULT.
874 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
876 * invoke.texi: Correct grammatical errors, document
877 -fno-gnu-keywords as identical to -fno-asm for C++.
879 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
881 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
882 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
883 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
884 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
885 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
887 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
888 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
889 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
890 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
893 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
895 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
896 (pop_alignment): Likewise.
897 (handle_pragma_token): Likewise.
899 2000-04-24 Robert Lipe <robertlipe@usa.net>
901 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
903 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
905 * combine.c (try_combine): Update reg_nonzero_bits of
906 newi2pat before newpat.
908 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
910 * loop.c (strength_reduce): Simplify test to INSN_P.
911 (record_giv): Attempt to simplify the add value, use CONSTANT_P
912 expressions instead of CONST_INT.
913 (express_from_1): Likewise.
915 2000-04-24 Mark Mitchell <mark@codesourcery.com>
917 * regs.h (reg_n_max): Don't declare.
918 * flow.c (reg_n_max): Don't define.
919 * regclass.c (renumber): Don't initialize to zero.
920 (regno_allocated): Likewise.
922 (allocate_reg_info): Don't initialize unnecessarily.
924 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
926 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
927 and blockage_p in the newly allocated attribute.
929 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
931 * config/mn10300/mn10300.md (addsi): `inc4' on address
932 registers does not modify cc, but `inc' on an extended
935 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
937 * reload.c (find_equiv_reg): Checks all valueno regs
938 as a reload_reg_p regs.
940 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
942 * cpphash.c (collect_objlike_expansion): Add sanity check.
943 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
944 the buffer is the empty string, return. Mark __DATE__ and
945 __TIME__ as XCONST nodes, not MCONST.
946 (_cpp_macroexpand): Avoid pushing an empty buffer.
947 (funlike_macroexpand): Don't pop token_buffer here.
949 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
951 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
952 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
953 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
954 (REGNO_OK_FOR_BASE_P): Define in terms of them.
955 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
956 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
957 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
959 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
961 * loop.c (simplify_giv_expr): Be more agressive on simplifying
964 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
966 * cpphash.h (struct definition): Move file, line, col members...
967 (struct hashnode): ... here. Also add 'disabled' flag.
968 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
969 T_IDENTITY. Remove T_DISABLED.
972 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
973 (collect_expansion): Split into collect_objlike_expansion and
974 collect_funlike_expansion.
975 (_cpp_macroexpand): Split out scan_arguments, stringify, and
977 (_cpp_compare_defs): Rename compare_defs, make static.
978 (_cpp_make_hashnode): Initialize hp->disabled.
979 (macro_cleanup): Adjust for new token types. Clear
981 (_cpp_create_definition): Move code here to determine what
982 sort of macro it is, and code to check for redefinitions, from
983 do_define. Implement a few simple cases without creating a
985 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
986 Handle the simple cases.
987 (push_macro_expansion): Set buf->has_escapes and hp->disabled
990 * cppinit.c (builtin_array): Change MCONST to XCONST
992 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
993 fix check for disabled and function-like macros.
994 * cpplib.c (do_define): Move most logic to
995 _cpp_create_definition.
996 (do_undef): Handle new special token types.
998 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1000 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1001 of CONSTANT_P for mult_val; always use validate_change to update insn.
1003 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1005 * cpphash.c (trad_stringify, add_pat): New functions.
1006 (collect_expansion): Restore support for -traditional syntax.
1007 Use trad_stringify and add_pat.
1008 (_cpp_macroexpand): Restore support for -traditional semantics.
1009 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1010 get a COMMENT token.
1011 (_cpp_lex_token): Provide COMMENT tokens to caller if
1012 traditional and parsing_define_directive.
1013 (skip_comment): Warn about // comments if -Wtraditional.
1014 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1016 (do_undef): Don't warn about undefining EMPTY nodes.
1018 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1020 * loop.c (strength_reduce): Fix biv removal code.
1022 2000-04-22 Richard Henderson <rth@cygnus.com>
1024 * predict.c (estimate_probability): Examine both sides of
1025 a branch for no exits. Use 90% not 50% for predict taken.
1026 Reorg for one copy of note generation code.
1028 2000-04-22 Richard Henderson <rth@cygnus.com>
1030 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1032 2000-04-22 Richard Henderson <rth@cygnus.com>
1034 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1035 (output_clear): Likewise.
1036 (output_printf): Use va_copy.
1037 (vline_wrapper_message_with_location): Likewise.
1038 (v_message_with_decl): Likewise.
1039 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1040 * system.h (va_copy): Provide default implementation.
1042 2000-04-22 Richard Henderson <rth@cygnus.com>
1044 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1045 the collected condition is not a constant.
1047 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1049 * diagnostic.h: New file.
1051 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1053 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1054 various function prototypes.
1055 (diagnostic.h): #include.
1056 (struct output_buffer): Move into diagnostic.h.
1057 (get_output_prefix): Rename to output_get_prefix. Export.
1058 (init_output_buffer): Export. Break out. Ajust intialization.
1059 (output_space_left, output_append): Export.
1060 (output_newline): Rename to output_add_newline. Export.
1061 (output_clear): Nullify additional output_buffer fields.
1062 (output_puts): Rename to output_add_string. Export.
1063 (dump_output): Rename to output_flush_on. Export.
1064 (build_location_prefix): Constify return-type.
1065 (emit_output_prefix): Rename to output_emit_prefix. Export.
1066 (set_real_maximum_length): New function.
1067 (output_set_maximum_length): Ditto
1068 (output_clear): Ditto.
1069 (output_add_character): Ditto.
1070 (output_add_integer): Ditto.
1071 (output_add_space): Ditto.
1072 (output_format): Ditto.
1073 (output_printf): Adjust buffer initialization.
1074 (vline_wrapper_message_with_location): Ditto.
1075 (v_message_with_decl): Ditto. Adjust call to output_puts
1076 and get_output_prefix.
1077 (default_print_error_function): Adjust buffer intialization.
1079 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1081 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1084 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1086 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1089 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1091 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1092 accurate data about SP moves.
1094 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1096 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1097 aliases to AM33 registers.
1099 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1101 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1102 to all EXTENDED bitmaps.
1104 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1106 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1107 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1108 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1110 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1112 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1113 the operand is not constant.
1115 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1117 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1118 as a call-clobbered regs.
1120 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1122 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1124 * rtl.def: Update comment.
1125 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1126 * integrate.c (expand_inline_function): Likewise.
1127 * profile.c (branch_prob): Likewise.
1128 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1129 * print-rtl.c (print_rtx): Likewise.
1130 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1131 (reemit_notes): Likewise; also use enum insn_note.
1133 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1134 (place_field): Properly compute know and actual alignment.
1136 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1139 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1142 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1144 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1145 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1146 (collect_expansion): Rewrite to scan over a token list.
1147 Remove -traditional support.
1148 (collect_formal_parameters): Rename to collect_params; rewrite
1149 to scan over a token list.
1150 (_cpp_create_definition): Adjust to scan a token list.
1151 (_cpp_macroexpand): Remove -traditional support.
1152 (_cpp_compare_defs): Whitespace is now canonicalized.
1153 (comp_def_part): Delete function.
1155 * cpphash.h: Update prototypes.
1156 * cpplex.c (init_token_list): Don't set lineno if there is no
1158 (pedantic_whitespace): New function.
1159 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1160 consume a newline. Use pedantic_whitespace.
1161 (_cpp_lex_token): Remove support for -traditional macros.
1162 (_cpp_get_define_token): Delete.
1163 (_cpp_get_directive_token): Do the real work here. Use
1164 pedantic_whitespace.
1165 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1167 * cpplib.c (get_macro_name): Delete.
1168 (do_define): Read the entire line into pfile->directbuf, then
1169 feed the token list to _cpp_create_definition.
1170 * cpplib.h (HSPACE_BEFORE): new define.
1171 (struct cpp_reader): Add a toklist member, "directbuf".
1173 * predict.c (estimate_probability): New heuristic: if a jump
1174 branches around a block with no successors, predict it taken.
1175 Disentangle control flow.
1177 2000-04-20 Richard Henderson <rth@cygnus.com>
1179 * loop.c (emit_iv_add_mult): Revert last change.
1181 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1183 * cpplib.h (enum cpp_ttype): Add token types for all
1184 punctuators. Distinguish pp-numbers from valid C numbers.
1185 Give some tokens better names. Initialize from macro.
1186 (struct cpp_name, cpp_token, cpp_toklist): New data
1189 * cpplex.c (bump_column, expand_name_space,
1190 expand_token_space, init_token_list, cpp_output_list,
1191 _cpp_scan_line): New functions.
1192 (output_line_command): Add third argument, new line number.
1193 * cpphash.h: Update prototypes.
1194 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1197 2000-04-20 Richard Henderson <rth@cygnus.com>
1199 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1201 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1203 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1206 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1208 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1209 REG_EQUAL note explaining the calculated value.
1211 * calls.c (expand_call): Avoid unnecesary precalculation
1212 and outgoing parameters space guarding for sibling calls.
1213 (store_one_arg): Likewise.
1215 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1217 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1218 (rest_of_compilation): Write sibling dump file and account
1219 for time as jump time.
1220 * invoke.texi: Update documentation on dump flags.
1222 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1224 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1226 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1228 * cpphash.c (special_symbol): Represent an empty macro with
1229 "\r \r " not just "\r ".
1230 (_cpp_macroexpand): Correct condition for the foo ( ) special
1232 (unsafe_chars): Handle EOF as second argument.
1233 (push_macro_expansion): Simplify test for removing escape at
1234 end. Do not trim both escapes if there is no text in between.
1236 2000-04-19 Jim Blandy <jimb@redhat.com>
1238 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1239 of PTR_SIZE, when appropriate.
1241 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1243 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1244 (USE_ENUM_BITFIELDS): Fix typo.
1246 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1248 * stor-layout.c (place_field): Set rli->offset_align properly.
1250 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1252 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1253 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1254 PARM_BOUNDARY): Remove unnecessary casts.
1256 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1258 * calls.c (precompute_arguments): Remove must_preallocate and
1260 (expand_call): Update call of precompute_arguments.
1262 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1263 check_insn_for_givs): Break out from ...
1264 (strength_reduce) ... here; use for_every_insn_in_loop to call
1265 check_insn_for_givs.
1266 * loop.h (for_every_insn_in_loop): Declare.
1267 (loop_insn_callback): New type.
1269 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1271 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1274 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1276 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1279 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1281 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1283 * configure.in: Delete --disable-cpplib option and all
1284 references to cpp_main.
1285 * configure: Regenerate.
1286 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1287 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1288 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1289 cpp$(exeext). Add --no-headers to makeinfo command line when
1290 generating INSTALL. Install and uninstall cpp.1 manpage, not
1292 * install.texi: Delete all references to cexp.y/cexp.c.
1293 Delete ancient instructions for compiling GCC on 3b1.
1294 * INSTALL: Regenerate.
1296 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1297 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1298 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1300 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1301 which is no longer tested anywhere.
1303 * cppinit.c (handle_option): Don't run error message through
1306 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1308 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1309 * cpperror.c (hashtab.h): Now include.
1310 * cppexp.c (hashtab.h): Likewise.
1311 * cpplex.c (hashtab.h): Likewise.
1312 * cppfiles.c (hashtab.h): Likewise.
1313 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1314 to htab_find_slot_with_hash.
1315 * cpphash.c (hashtab.h): Now include.
1316 (_cpp_lookup_slot): INSERT is now enum insert_option.
1317 * cpphash.h (_cpp_lookup_slot): Likewise.
1318 * cppinit.c (hashtab.h): Include earlier.
1319 (initialize_builtins): Pass enum to htab_find_slot.
1320 * cpplib.c (hashtab.h): Now include.
1321 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1322 (do_pragma_poison, do_assert): Likewise.
1323 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1324 htab_find_slot_with_hash.
1325 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1326 * tree.c (type_hash_add): Likewise.
1327 (build1): Minor cleanup.
1329 * ggc-common.c: Add missing blanks.
1330 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1331 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1333 * stmt.c (mark_case_node): New function.
1334 (mark_case_nesting): Call it.
1336 * expmed.c (emit_store_flag): If comparing two-word integer
1337 with zero, can optimize NE, EQ, GE, and LT.
1339 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1340 * conflict.c: Minor cleanups.
1341 * optabs.c: Add blank line
1342 * simplify-rtx.c: Minor cleanups.
1344 2000-04-18 Stan Cox <scox@cygnus.com>
1346 * gengenrtl.c (genlegend): Fix misspelling.
1348 2000-04-18 Robert Lipe <robertlipe@usa.net>
1350 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1351 bitfields of the host compiler are not signed quantities.
1352 * config.in: Regenerate.
1353 * configure: Regenerate.
1354 * system.h (USE_ENUM_BITFIELDS): Added.
1355 (ENUM_BITFIELDS): Added.
1356 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1357 (SHORT_ENUM_BUG): Deleted.
1358 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1360 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1361 (CODE_FIELD_BUG): Likewise.
1362 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1364 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1366 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1368 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1371 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1373 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1374 * cpplib.c (do_include, do_import, do_include_next,
1375 read_line_number, detect_if_not_defined): Likewise.
1376 * cpphash.c (collect_expansion): Likewise.
1377 (special_symbol, _cpp_macroexpand): Check return from
1379 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1380 macros. Delete all uses.
1382 * gcc.dg/cpp-mi.c: Add two more test cases.
1383 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1385 2000-04-17 Richard Henderson <rth@cygnus.com>
1387 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1388 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1390 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1392 * function.c (expand_function_start): Use hard_function_value to
1393 compute the RTL to use for DECL_RESULT.
1395 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1397 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1398 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1399 x86_memory_mismatch_stall): New global variables.
1400 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1401 alloved; fix load penalties for Athlon.
1402 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1403 x86_memory_mismatch_stall): Declare.
1404 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1405 TARGET_MEMORY_MISMATCH_STALL): New.
1406 * i386.md (athlon scheduling parameters): Fix latencies according to
1407 Athlon Optimization Manual.
1408 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1410 (fsqrt instruction patterns): Set athlon_decode to direct.
1411 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1412 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1413 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1414 and TARGET_PARTIAL_REGISTER_STALL machines.
1415 (pushdf_nointeger): New pattern.
1416 (pushdf_integer): Rename from pushdf.
1417 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1418 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1420 2000-04-17 Richard Henderson <rth@cygnus.com>
1422 * loop.c (canonicalize_condition): Add WANT_REG argument.
1423 Stop the search if we match it.
1424 * expr.h (canonicalize_condition): Update decl.
1425 * predict.c (expected_value_to_br_prob): Use it. Track last
1426 expected value note.
1427 (find_expected_value): Remove.
1429 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1431 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1433 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1434 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1436 * configure.in: Call AC_FUNC_MMAP_FILE.
1437 * configure: Regenerate.
1438 * config.in: Regenerate.
1440 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1441 * fixinc/fixincl.c: Likewise.
1443 2000-04-17 Richard Henderson <rth@cygnus.com>
1445 * builtins.c (expand_builtin_expect): New.
1446 (expand_builtin): Call it.
1447 * builtins.def (BUILT_IN_EXPECT): New.
1448 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1449 * extend.texi: Document it.
1451 * predict.c (expected_value_to_br_prob): New.
1452 (find_expected_value): New.
1453 * basic-block.h (expected_value_to_br_prob): Declare.
1454 * toplev.c (rest_of_compilation): Invoke it.
1456 * rtl.h (NOTE_EXPECTED_VALUE): New.
1457 (NOTE_INSN_EXPECTED_VALUE): New.
1458 * rtl.c (note_insn_name): Update.
1459 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1460 cases; handle NOTE_INSN_EXPECTED_VALUE.
1462 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1464 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1465 leaf sibcall delay slot if flag_pic.
1466 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1468 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1470 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1472 * fixproto: If fix-header fails, exit with an error.
1474 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1476 * cse.c (struct check_depdendence_data): New.
1477 (check_dependence): New function.
1478 (invalidate): Use check_depdenence.
1480 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1482 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1483 UNITS_PER_WORD is unsigned.
1485 * tree.h (struct tree_common): Remove misleading comment.
1487 2000-04-16 Dave Pitts <dpitts@cozx.com>
1489 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1490 message in quotes. Otherwise, IBM's make program treats the '#' as the
1491 start of a comment and ignores the remainder of the line.
1493 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1495 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1496 * cexp.y (initialize_random_junk): Likewise.
1497 * cppfiles.c (find_include_file): Cast alloca return value.
1498 * cppinit.c (initialize_standard_includes): Likewise.
1499 * cpplib.c (cpp_define, cpp_undef): Likewise.
1500 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1501 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1502 * fold-const.c (CHARMASK): New.
1503 (real_hex_to_f): Use it.
1504 * real.c (CHARMASK): New.
1505 (etoasc, asctoeg): Use it.
1506 (asctoeg): EBCDIC lower case characters preceed upper case.
1508 * i370.c (mvs_add_label): Change spacing for coding conventions.
1509 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1510 outputing case vectors.
1511 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1512 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1513 since vector in in the data CSECT.
1514 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1515 * i370.md (Many patterns): Put the length in the XL directives.
1516 (movdi): Put back STM and MVC in definition.
1517 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1518 pattern using the TCA.
1519 * oe.h (CPP_SPEC): Added to allow trigraphs.
1520 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1521 not support the "long long" type.
1523 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1525 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1527 (mips_reg_mode_ok_for_base_p): Likewise.
1528 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1529 (REG_OK_FOR_INDEX_P): Define unconditionally.
1530 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1531 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1532 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1533 that GET_MODE_SIZE is unsigned.
1534 (mips_reg_mode_ok_for_base_p): Define.
1535 (mips_legitimate_address_p): Likewise. Adjust now
1536 that GET_MODE_SIZE is unsigned.
1537 (block_move_loop): Make the number of bytes unsigned.
1538 (expand_block_move): Likewise.
1539 (function_arg): Make the loop counter unsigned to match the
1542 2000-04-16 Richard Henderson <rth@cygnus.com>
1544 * rtl.h (enum insn_note): New enumeration. Subsume
1545 NOTE_INSN_DELETED and friends.
1546 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1547 * rtl.c (note_insn_name): Tweak string order.
1549 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1551 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1554 * cpplex.c (output_line_command): Remove debugging prints.
1555 (cpp_output_tokens): Don't write out a zero-length buffer or
1556 try to see if it has a newline in it.
1557 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1558 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1559 the end of the loop. Use memmove. Don't read past the end of
1560 the buffer. Remove trailing newlines from error messages.
1562 2004-04-16 Neil Booth <NeilB@earthling.net>
1564 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1565 * cpplib.c: Add new syntax flags to directive table, and
1568 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1570 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1573 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1575 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1576 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1578 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1580 * Makefile.in (ggc-page.o): Now includes toplev.h.
1581 * ggc-page.c (toplev.h): Now included.
1582 (gc_time): Remove declaration.
1583 (ggc_collect): TIME now long.
1584 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1586 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1588 * toplev.c: Make *_time variable long to reduce chance of overflow.
1589 (TIMEVAR): Likewise for `otime'.
1590 (print_time): Arg is now long; compute percentage in FP and round.
1591 * toplev.h (print_time): Arg is long.
1593 * tree.c: Minor whitespace changes.
1595 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1596 * configure: Rebuilt.
1597 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1598 (__fixunsxfDI): Renamed from __fixunsxfdi.
1599 (__fixunsdfDI): Renamed from __fixunsdfdi.
1600 (__fixunssfDI): Renamed from __fixunssfdi.
1601 (__floatdisf): Use proper type in REP_BIT macro.
1602 (__fixunsxfSI): Renamed from __fixunsxfsi.
1603 (__fixunsdfSI): Renamed from __fixunsdfsi.
1604 (__fixunssfSI): Renamed from __fixunssfsi.
1605 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1606 Change location of macros and upper-case some names as above.
1607 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1608 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1610 * varasm.c (assemble_variable): Add cast to remove warning.
1611 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1613 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1614 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1615 region number to -1.
1617 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1619 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1620 call unshare_all_rtl.
1622 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1624 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1626 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1627 Use .s1 not .s0 for all FP instructions.
1629 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1631 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1633 (safe_fwrite, output_line_command): New static functions.
1634 (cpp_expand_to_buffer): Now private to cpplib.
1635 (cpp_scan_buffer): Take a printer.
1637 * cpphash.h: Update prototypes.
1638 * cpplib.h: Update prototypes.
1640 (cpp_buffer): Remove last_nominal_fname.
1641 (cpp_reader): Remove lineno.
1643 * cppmain.c: Use a cpp_printer.
1644 * fix-header.c: No need to inhibit line commands. Call
1645 cpp_start_read with no printer.
1647 * cpperror.c (cpp_notice_from_errno): Provide default name.
1648 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1649 (find_include_file, cpp_read_file): Use make_IHASH.
1650 (file_cleanup): Set control_macro and clear
1651 input_stack_listing_current here.
1652 (_cpp_execute_include): Don't output entering-file marker.
1653 * cpphash.c (special_symbol): Look for the line number in the
1654 buffer, not the reader.
1655 (_cpp_macroexpand): No need to disable line commands.
1656 (_cpp_dump_definition): No need to generate line commands.
1657 (dump_hash_helper): Remove excess newline from output.
1658 * cppinit.c (dump_special_to_buffer): No need to generate line
1660 (cpp_printer_init): New.
1661 (cpp_start_read): Take a printer, and start it up if it's not
1662 NULL. No need to generate line commands.
1663 (cpp_finish): Expect no buffers stacked at all. Take a
1664 printer argument, and flush the output buffer if it's not
1666 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1667 Don't put two hashes at the beginning of an assertion.
1668 (cpp_get_token): Don't increment pfile->lineno or emit line
1669 commands here. Return EOF if there's no buffer when we get
1671 * cpplib.c (do_define, skip_if_group):
1672 No need to disable line commands.
1673 (_cpp_output_line_command): Delete function.
1674 (do_line): Don't emit line commands here, but set things up so
1675 they will be emitted if necessary. Use _cpp_fake_ihash to
1676 make unique nominal_fnames if necessary.
1677 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1678 with 0 for column, not -1.
1679 (_cpp_handle_eof): Don't set the control macro here. Don't
1680 clear input_stack_listing_current here. Don't emit line
1683 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1685 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1686 always, use the default SVR4 start address.
1688 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1689 (LINK_SHLIB_SPEC): Define.
1690 (LINK_START_DEFAULT_SPEC): Define.
1691 (LINK_OS_DEFAULT_SPEC): Define.
1693 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1695 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1696 __do_global_ctors to handle constructors.
1697 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1698 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1699 (STARTFILE_MVME_SPEC): Likewise.
1700 (STARTFILE_SIM_SPEC): Likewise.
1701 (ENDFILE_ADS_SPEC): Use crtend.
1702 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1703 (ENDFILE_MVME_SPEC): Likewise.
1704 (ENDFILE_SIM_SPEC): Likewise.
1705 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1706 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1707 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1708 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1709 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1710 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1711 (CRTSTUFF_T_CFLAGS_S): Define.
1712 * config/rs6000/eabi-ctors.c: Delete.
1714 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1717 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1721 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1723 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1724 plus mask size is smaller or equal to the mode size.
1726 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1728 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1731 * expr.c (reload.h): Now included.
1732 (emit_block_move): Set volatile_ok when checking for movstr.
1733 (emit_move_1): Check for replacements in addresses in multi-word case.
1734 * Makefile.in (expr.o): Now includes reload.h.
1736 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1737 Never have a LIBCALL end a basic block.
1738 (find_basic_blocks_1): Likewise.
1739 Reorganize CALL_INSN cases.
1741 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1743 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1745 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1746 completers from mov.ret instruction.
1748 2000-04-14 Richard Henderson <rth@cygnus.com>
1750 * fold-const.c (extract_muldiv): Don't distribute and widen
1751 multiply across plus for non-sizetype unsigned types.
1753 2000-04-14 Richard Henderson <rth@cygnus.com>
1755 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1756 If the original source is dead in the incr insn, it's dead now.
1758 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1760 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1761 see if DECL_BIT_FIELD needs to still be set.
1763 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1765 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1766 print_int_cst_octal with something that's not an INTEGER_CST.
1768 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1769 and not a SUBREG to a FLOAT rtl.
1771 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1773 * emit-rtl.c (try_split): Avoid infinite loop if the split
1774 results in a sequence that contains the original insn.
1776 2000-04-13 Andreas Jaeger <aj@suse.de>
1778 * config/mips/mips.c (expand_block_move): Pass alignment
1779 argument to move_by_pieces in bits, not bytes.
1781 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1782 __pic__ for little endian.
1784 2000-04-13 Andreas Jaeger <aj@suse.de>
1786 * config/i386/i386-protos.h: Add prototype for
1787 uno_comparison_operator.
1789 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1791 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1792 * calls.c (ECF_PURE): New flag.
1793 (emit_call_1): Handle ECF_PURE calls.
1794 (initialize_argument_information): Unset ECF_PURE flag too.
1795 (precompute_arguments): Precompute for ECF_PURE too.
1796 (expand_call): Handle ECF_PURE calls too.
1797 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1798 accept value of 2 as pure function.
1799 (emit_library_call_value, emit_library_call): Rename no_queue argument
1801 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1803 * tree.h (DECL_IS_PURE): New macro.
1804 (struct tree_decl): Add pure_flag.
1805 * c-common.c (enum attrs): Add attribute "pure".
1806 (init_attributes): Initialize attribute "pure"
1807 (decl_attributes): Handle attribute "pure".
1808 * extend.texi (Attribute "pure"): Document.
1809 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1811 (flags_from_decl_or_type): Support attribute "pure".
1813 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1815 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1816 the token except for numbers and identifiers.
1818 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1820 * i386.c (ix86_expand_binary_operator,
1821 ix86_expand_unary_operator): Check no_new_pseudos
1822 instead of reload_in_progress and reload_completed.
1823 (ix86_split_ashldi, ix86_split_ashrdi,
1824 ix86_split_lshrdi): Check no_new_pseudos instead
1825 of reload_completed.
1827 2000-04-12 Jeffrey A Law (law@cygnus.com)
1829 * function.c (purge_addressof): Unshare any shared rtl created by
1830 purge_addressof and its children.
1832 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1834 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1837 2000-04-05 Andreas Jaeger <aj@suse.de>
1839 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1840 not compiling PIC code, add flags for mabi=64.
1841 (SUBTARGET_CPP_SIZE_SPEC): New.
1842 (SUBTARGET_CPP_SPEC): New.
1843 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1844 for MIPS/Linux and lots of code needs these defines.
1846 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1848 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1849 trying the "opposite arithmetic" approach.
1851 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1853 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1854 (struct sh_args): Add new field force_mem.
1855 (INIT_CUMULATIVE_ARGS): Initialize it.
1856 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1858 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1860 * calls.c (expand_call): Do not reverse args in "equal from" field.
1861 (emit_library_call_value_1): Emit_libcall_block for const and pure
1864 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * reload1.c (reload_combine): Don't enable optimization for fixed
1867 registers when encountering a BARRIER.
1869 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1871 * builtins.c (expand_builtin_memcmp): Do expansion even with
1872 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1874 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1875 stack is propertly aligned; add sanity checking for aligned
1877 (expand_library_call_value_1): Add sanity checking for aligned
1880 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1882 * calls.c (emit_library_call_value_1): Change 3rd arg to
1883 locate_and_pad_parm to disregard the setting of partial.
1885 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1887 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1889 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1890 CALL_INSN from the normal case.
1892 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1894 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1895 New global variables.
1896 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1898 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1900 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1901 TARGET_ADD_ESP_8): New macros.
1902 * i386.md: Add peep2s to convert esp adjustments to push and pop
1904 (pushsi_prologue, popsi_epilogue): New patterns.
1906 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1908 * real.c (toe64): Remove stale #endif from the last change.
1910 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1912 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1913 * real.c (toe64): Revert previous change.
1915 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1917 * objc/objc-act.c: Include ggc.h.
1918 (objc_tree_index, objc_global_trees): Convert most of the
1919 static tree variables into a static array with previous names
1921 (objc_ellipsis_node): New variable.
1922 (lang_init): Call objc_act_parse_init and c_parse_init.
1923 Create objc_ellipsis_node.
1924 (build_selector_translation_table): Use objc_ellipsis_node instead
1926 (hack_method_prototype): Likewise.
1927 (get_arg_type_list): Likewise.
1928 (start_method_def): Likewise.
1929 (continue_method_def): Likewise.
1930 (gen_method_decl): Likewise.
1931 (ggc_mark_imp_list): New function.
1932 (ggc_mark_hash_table): New function.
1933 (objc_act_parse_init): New function.
1934 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1935 * c-parse.in (c_parse_init): For objc add roots of objc specific
1936 local tree variables.
1937 * objc/objc-parse.y: Rebuilt.
1938 * objc/objc-parse.c: Rebuilt.
1939 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1941 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1943 * cse.c (delete_trivially_dead_insns): Also delete insns
1944 that copy a register to itself where the destination is
1947 2000-04-11 Richard Henderson <rth@cygnus.com>
1949 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1950 (propagate_block): Initialize them. Use them in parallel instead
1951 of one tmp variable, ie revert much of the 0408 and 0407 functional
1952 changes, but keep the structural changes.
1953 (mark_set_regs): Take new_dead from propagate_block_info instead.
1954 (mark_set_1, mark_set_reg): Likewise.
1955 (mark_used_regs): Likewise with new_live.
1956 (mark_used_reg): Likewise. Revert 0408 change.
1958 2000-04-11 Nick Clifton <nickc@cygnus.com>
1960 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1962 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1964 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1966 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1967 const section to output a CONSTRUCTOR based on the same conditions
1970 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1972 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1973 * pa/pa-protos.h (output_call): Add additional argument indicating
1974 if the call is a sibling/tail call.
1975 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1976 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1977 (function_arg, function_arg_partial_nregs): Likewise
1978 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1979 (emit_move_sequence): Zero extend certain constants as needed
1981 (compute_zdepdi_operands, output_64bit_and): New functions.
1982 (output_64bit_ior, function_arg): Likewise.
1983 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1984 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1985 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1986 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1987 (output_bvb): Likewise.
1988 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1989 (output_call): New argument 'sibcall'. Generate sibcall sequences
1991 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1992 (ouput_arg_descriptor): Do not emit argument descriptors for
1994 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1996 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1997 (FUNCTION_OK_FOR_SIBALL): Define.
1998 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1999 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2000 (CPP_SPEC): Use new spec infrastructure.
2001 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2002 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2003 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2004 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2005 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2006 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2007 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2008 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2009 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2010 (FUNCTION_ARG); Call out to C code.
2011 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2012 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2013 (MIN_UNITS_PER_WORD): Likewise.
2014 * pa/pa.md (cmpdi): New expander.
2015 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2016 (64bit conditional arithmetic): New patterns.
2017 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2018 (movsicc): Not available if modes on all the operands to not match.
2019 (movdicc): New expander and associated patterns.
2020 (64bit branches): New patterns.
2021 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2022 (pre_ldd, post_std): New patterns.
2023 (64bit addil, load low part): New patterns.
2024 (special movsf constant): Not available for TARGET_64BIT.
2025 (movsf, movdf expanders): Force constants into memory.
2026 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2027 (64bit movdf/movdi patterns): New patterns.
2028 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2030 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2031 (adddi3 expander): Allow "arith_operand" for second input.
2032 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2033 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2034 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2035 (muldi3): New expander for TARGET_64BIT.
2036 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2038 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2039 patterns for TARGET_64BIT.
2040 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2041 patterns for TARGET_64BIT.
2042 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2043 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2044 (sibcall_epilogue): New expander.
2045 (casesi): Tweak for TARGET_64BIT.
2046 (call expanders): Set & use the outgoing argument pointer. Use the
2047 64bit call patterns as needed. Add additional arg to output_call.
2048 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2049 (sibcall, sibcall_internal_symref): New expanders.
2050 (sibcall_value, sibcall_value_internal_symref
2051 (interspace_jump): Turn into an expander + matching patterns.
2052 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2053 * pa/pa64-regs.h: Eliminate trigraph sequences.
2054 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2056 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2058 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2059 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2060 cpp_token with cpp_ttype everywhere.
2061 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2062 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2063 CPP_BUF_COL. Line and column numbers are unsigned int, not
2065 * cpplex.c (cpp_buf_line_and_col): Delete.
2066 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2067 'long lineno' to 'unsigned int lineno'.
2068 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2070 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2072 * extend.texi: ISO C99 is not a draft anymore.
2073 * invoke.texi: ISO C++ is not a draft anymore.
2074 * cpp.texi: __cplusplus is required by the ISO standard.
2076 * extend.texi (-fthis-is-variable): Undocument.
2077 * flags.h (warn_template_debugging): Remove declaration.
2078 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2079 -Wenum-clash, -Wtemplate-debugging): Undocument.
2081 2000-04-10 Nick Clifton <nickc@cygnus.com>
2083 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2085 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2087 (ARM_SIGN_EXTEND): Use HOST_UINT.
2088 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2089 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2090 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2091 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2093 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2094 (arm_gen_constant): Use HOST_UINT.
2095 (arm_canonicalize_constant): Use HOST_UINT.
2096 (arm_reload_in_hi): Use HOST_UINT.
2097 (arm_reload_out_hi): Use HOST_UINT.
2098 (output_multi_immediate): Use HOST_UINT.
2099 (int_log2): Use HOST_UINT.
2100 (arm_poke_function_name): Use HOST_UINT.
2101 (arm_output_epilogue): Use arm_volatile_func().
2102 (output_thumb_prologue): Use arm_strip_name_encoding().
2104 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2106 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2107 of sequence point problems.
2109 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2111 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2113 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2115 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2117 * sbitmap.h: Whitespace changes and use upper-case macro args.
2118 (struct simple_bitmap_def): All sizes now unsigned.
2119 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2120 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2121 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2122 (sbitmap_zero): Cast bzero arg to PTR.
2123 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2124 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2125 loop to make structure clearer.
2126 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2127 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2128 (sbitmap_a_and_b_or_c): Likewise.
2129 (sbitmap_intersection_of_succs): Minor cleanups.
2130 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2131 (sbitmap_union_of_preds): Likewise.
2132 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2133 (debug_sbitmap): New function.
2135 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2136 * c-typeck.c (convert_for_assignment): Likewise.
2138 * expmed.c (init_expmed): Don't free objects we make.
2139 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2141 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2142 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2144 * gcse.c (expr_hash_table_size): Now unsigned.
2145 (compute_ae_gen): Local variable `i' now unsigned.
2146 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2147 (compute_transout, hoist_code): Likewise.
2148 (compute_local_properties): Likewise, also hash_table_size.
2149 (alloc_expr_hash_table): N_INSNS now unsigned.
2150 (delete_null_pointer_checks): Mark arg F as unused.
2152 * regrename.c: Minor cleanups, including chang some variables
2155 2000-04-10 Neil Booth <NeilB@earthling.net>
2157 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2159 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2161 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2163 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2164 __classof__, and __headof__ from the list of gnu keywords.
2165 (-ansi): Remove -foperator-names from list of implied options.
2166 Do not call it ANSI C++.
2167 (-foperator-names): Document as -fno-operator-names.
2169 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2171 * cpphash.c (timestamp): Delete.
2172 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2173 (special_symbol): Remove unnecessary braces. Remove
2174 T_VERSION. Treat T_STDC like T_CONST unless
2175 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2176 when one is encountered, then convert them into T_MCONST
2178 * cppinit.c (builtin_array): version_string is T_MCONST.
2179 __STDC__ has a "1" in its cpval. Don't have a terminator
2180 entry. Clean up which entries are dumped.
2181 (initialize_builtins): Only __STDC__ gets the special
2182 -traditional treatment. Count the length of builtin_array.
2183 Render version_string here.
2184 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2185 * cpplib.h (struct cpp_reader): Remove timebuf.
2187 2000-04-09 Richard Henderson <rth@cygnus.com>
2189 * genrecog.c (pred): Update comparison_operator for the unordered
2192 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2194 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2195 (uno_comparison_operator): New.
2196 (put_condition_code): Handle UNORDERED/ORDERED.
2197 (unsigned_comparison): Likewise.
2198 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2199 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2200 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2201 update all callers. Handle all 8 unordered operators.
2202 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2203 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2204 * config/i386/i386.h (PREDICATE_CODES): Update.
2205 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2206 (ix86_expand_branch, ix86_expand_setcc): Update.
2207 * config/i386/i386.md (sunordered, sordered): New.
2208 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2209 (bunordered, bordered): New.
2210 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2211 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2212 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2214 2000-04-09 Philip Blundell <philb@gnu.org>
2216 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2218 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2220 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2221 fix_truncxfhi2): New patterns.
2222 * i386.c (output_fix_trunc): Handle converting to HImode.
2224 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2226 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2228 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2229 (for_each_successor_phi): Change parameter to basic_block.
2230 (coalesce_regs_in_successor_phi_nodes): Likewise.
2231 (coalesce_regs_in_copies): Likewise.
2232 (compute_coalesced_reg_partition): Use basic_block instead of index.
2233 * rtl.h (convert_to_ssa): Delete.
2234 (convert_from_ssa): Likewise.
2235 (successor_phi_fn): Likewise.
2236 (for_each_successor_phi): Likewise.
2237 (in_ssa_form): Likewise.
2238 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2239 (convert_from_ssa): Likewise.
2240 (successor_phi_fn): Likewise.
2241 (in_ssa_form): Likewise.
2242 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2243 * flow.c (calculate_global_regs_live): Pass a basic_block to
2244 for_each_successor_phi.
2246 2000-04-08 Richard Henderson <rth@cygnus.com>
2248 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2249 was modified in the current insn.
2251 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2253 * arm/thumb.md: Delete.
2254 * arm/thumb-protos.h: Delete.
2256 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2258 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2260 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2262 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2265 * arm.md (nop): Use the standard RTL expression. Don't code as a
2267 (*arm_nop, *thumb_nop): Delete.
2269 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2270 constants. Use casts instead.
2271 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2272 output_multi_immediate, arm_poke_function_name): Likewise.
2273 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2274 MASK_RETURN_ADDDR): Likewise.
2276 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2278 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2281 * arm.md (eh_epilogue): New function.
2282 * arm.h (struct machine_function): Move to here ...
2283 * arm.c: ... from here.
2284 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2285 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2286 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2288 2000-03-30 Nick Clifton <nickc@cygnus.com>
2290 * config/arm/semi.h (ASM_SPEC): Restore definition.
2291 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2293 * config/arm/elf.h (ASM_SPEC): Restore definition.
2294 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2296 * config/arm/arm.h (ASM_SPEC): Remove definition.
2297 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2299 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2301 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2303 2000-03-24 Nick Clifton <nickc@cygnus.com>
2305 Various formating tidyups, elimination of compile time
2306 warnings and synchronisation with internal sources:
2308 * config/arm/arm-protos.h (assemble_align): Add prototype.
2309 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2310 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2311 (arm_return_addr_rtx): Rename to arm_return_addr.
2313 * config/arm/arm.c: Include except.h.
2314 Define shorter typenames for strict minipool_node and struct
2316 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2318 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2319 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2321 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2323 (ASM_SPEC): Define if not already defined.
2324 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2326 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2327 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2328 arm_gen_compare_reg.
2329 (indirect_jump): Only accept register operands.
2330 (load_indirect_jump): Keep this pattern since combine can generate
2333 * config/arm/coff.h: Include aout.h.
2334 (MULTILIB_DEFAULTS): Only define if not already defined.
2336 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2337 into arm.h (so that COFF ports can support thumb based aliases).
2338 (ASM_SPEC): Move definition into arm.h
2340 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2341 redundant apcs spec.
2342 (ASM_SPEC): Move definition to arm.h
2344 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2346 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2347 for entries in the .bss section
2349 2000-03-23 Nick Clifton <nickc@cygnus.com>
2351 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2352 to thumb_far_jump_used_p.
2354 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2355 single integer parameter.
2357 * config/arm/arm.c (struct machine_function): Add two new
2358 fields, 'far_jump_used' and 'arg_pointer_live'.
2359 (thumb_far_jump_used_p): Once the decision has been made that
2360 far jumps might be used, always return true.
2361 If being called from the initial elimination offset macro then
2362 do not bother to perform the test if the arg pointer is not
2364 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2365 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2367 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2369 * arm.c (output_return_instruction): Handle more cases where we can
2370 return from a function with an ldr instruction.
2371 (arm_output_epilogue): Likewise.
2373 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2374 if we need to push a large stack frame and there are no callee-saved
2377 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2378 in ARM code if the frame pointer has been eliminated.
2380 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2381 unspec_volatile arguments to avoid duplicates.
2382 (consttable_1, consttable_2): Fixes for big-endian mode.
2384 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2387 Re-write constant pool code.
2388 * arm.c (minipool_node, minipool_fix): New types.
2389 (minifix): Delete type.
2390 (arm_add_minipool_constant): Delete.
2391 (arm_compute_minipool_offsets, arm_find_barrier,
2392 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2393 (get_jump_table_size): Now returns HOST_WIDE_INT.
2394 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2396 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2397 (assign_minipool_offsets, arm_print_value): Likewise.
2398 (dump_minipool): Rewrite.
2399 (arm_barrier_cost): New function.
2400 (create_fix_barrier): New function.
2401 (push_minipool_barrier): New function.
2402 (push_minipool_fix): Record additional information about the fixup
2404 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2405 check the mode of what needs fixing.
2406 (arm_reorg): Rewrite.
2408 2000-03-08 Nick Clifton <nickc@cygnus.com>
2410 * config/arm/arm.md (indirect_jump): Force constant addresses into
2413 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2415 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2417 2000-02-24 Nick Clifton <nickc@cygnus.com>
2419 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2420 adjust is word aligned.
2421 (thumb_expand_epilogue): Make sure that stack adjust is word
2424 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2426 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2428 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2429 pointer relative addresses.
2431 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2433 * arm.c (find_barrier): Find the last barrier within the allowed
2436 2000-02-09 Nick Clifton <nickc@cygnus.com>
2438 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2440 2000-02-09 Nick Clifton <nickc@cygnus.com>
2442 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2443 ARM_FUNCTION_PROFILER.
2445 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2446 ARM_FUNCTION_PROFILER.
2448 * config/arm/linux-oldld.h: Imported from mainline sources.
2450 2000-02-07 Nick Clifton <nickc@cygnus.com>
2452 * config/arm/lib1funcs.asm: Merge in thumb functions from
2455 * config/arm/lib1thumb.asm: Delete.
2457 2000-02-04 Nick Clifton <nickc@cygnus.com>
2459 * config/arm/arm.c: Sychronised with current Red hat local
2461 * config/arm/arm.h: Ditto.
2462 * config/arm/arm-protos.h: Ditto.
2464 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2466 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2468 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2471 2000-02-02 Nick Clifton <nickc@cygnus.com>
2473 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2475 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2476 (return) was emited using an emit_insn() call.
2478 2000-01-31 Nick Clifton <nickc@cygnus.com>
2480 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2482 (thumb_exit): Move frame pointer back into hard frame pointer
2483 register if backtracing is being used.
2485 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2487 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2490 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2492 * config/arm/arm.md (neg_pool_offset): Provide default for new
2494 (arm_movsi_insn): Add neg_pool_offset attribute.
2495 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2496 rtx for the insn that starts the scan and an unsigned long for its
2497 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2498 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2499 instructions in *PINSERTED.
2500 (struct minipool_fixup): Add MIN_ADDRESS elt.
2501 (sort_fixups): Compute it.
2502 (arm_reorg): Changes to support inserting pools before the insn to be
2505 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2507 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2508 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2509 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2511 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2513 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2515 (TARGET_DEFAULT): Do not define if already defined.
2517 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2519 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2520 (iordi3): Allow disjoint source operands.
2521 (xordi3): Allow disjoint source operands.
2522 (negdi2): Permit construction for ARM and Thumb.
2523 (arm_negdi2): Renamed version of old negdi2 pattern.
2524 (thumb_negdi2): New pattern: Only permit non-overlapping
2525 source and destination.
2527 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2529 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2530 scratch low register so that it will not be deleted.
2532 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2534 * config/arm/pe.h (ARM_PE): Define.
2536 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2537 interfacearm attribute if this is a PE toolchain.
2538 (output_return_instruction): Do not emit anything if the function
2539 has the naked attribute set.
2540 (is_called_in_ARM_mode): If the function has the interfacearm
2541 attribute then return true.
2542 (thumb_expand_prologue): Do not generate a prologue for naked
2544 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2546 (output_thumb_prologue): Do not bother if the function is naked.
2547 Strip PE encoding from function name before emitting.
2549 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2551 * arm.md (pic_load_addr): Fix constraints.
2553 * arm.md (casesi_insn): Fix mis-applied patch.
2555 * arm.md ("core" function unit): Add rules for single- and
2557 (All TARGET_THUMB patterns): Add "type" attribute information
2559 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2560 the following insn is a CALL.
2562 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2564 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2565 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2566 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2568 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2570 * config/arm/linux-gas.h: oops - this file was missed out when the
2571 branch was created...
2573 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2575 * thumb.c: Deleted. Move contents to ...
2577 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2579 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2582 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2583 declare a prototype for asm_output_align();
2585 * arm.c (thumb_condition_code): Delete.
2586 (arm_print_operand): Always use arm_condition_code array.
2588 * arm.c (thumb_return_addr_rtx): Delete.
2589 (arm_save_machine_status, arm_restore_machine_status): Delete.
2590 (arm_init_machine_status, arm_mark_machine_status): New functions.
2591 (arm_init_expanders): Update accordingly.
2592 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2593 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2594 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2596 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2598 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2600 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2603 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2605 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2606 stack backtrace structure.
2608 * config/arm/arm-protos.h: Add prototypes for functions defined in
2611 * config/arm/arm.c (arm_override_options): Fix selection of
2612 attributes of default processor.
2614 * config/arm/coff.h: Delete needless #include.
2616 * config/arm/pe.c: Delete unused code.
2618 * config/arm/pe.h (CPP_DEFINES): Delete
2619 (SUBTARGET_CPP_SPEC): Define.
2620 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2622 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2624 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2626 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2628 (CAN_DEBUG_WITHOUT_FP): Define.
2629 (FIXED_REGISTERS): Make r11 call-saved.
2630 (CALL_USED_REGISTERS): Likewise.
2631 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2632 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2633 frame-pointer is required.
2634 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2635 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2636 if the target normally needs a stack frame in non-leaf functions.
2637 (use_return_insn): Correct logic for determining when a return
2638 instruction can be used.
2639 (output_return_instruction): Handle the frame-pointer register as
2640 a normal register when not TARGET_APCS_FRAME.
2641 (arm_output_prologue): Likewise.
2642 (arm_output_epilogue): Likewise.
2643 (output_func_epilogue): Likewise.
2644 (arm_expand_prologue): Likewise.
2645 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2647 * arm.c (use_return_insn): No need to check floating point regs if
2649 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2650 the code of value stored in the minipool array.
2651 (arm_add_minipool_constant): Likewise.
2653 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2655 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2657 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * tree.c (tree_expr_nonnegative_p): New function.
2661 * tree.h (tree_expr_nonnegative_p): Declare.
2663 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2664 elide some sign_compare warnings.
2665 (build_conditional_expr): Likewise.
2667 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2669 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2671 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2672 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2673 operand. Abort if a 387 operand has an unsupported size.
2675 2000-04-08 Neil Booth <NeilB@earthling.net>
2677 * cppexp.c (parse_charconst): Null does not end character
2679 * cppinit.c (ISTABLE): Null character handled as whitespace.
2680 * cpplex.c (null_warning): new function.
2681 (skip_string): Emit warning if nulls encountered.
2682 (_cpp_skip_hspace): Emit warning if nulls encountered.
2683 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2687 2000-04-07 Richard Henderson <rth@cygnus.com>
2689 * flow.c (loop_depth): Remove.
2690 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2691 (struct propagate_block_info): New.
2692 (life_analysis): Don't allocate reg_next_use.
2693 (propagate_block_delete_insn): Break out of propagate_block.
2694 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2695 (propagate_block_delete_libcall): Likewise.
2696 (propagate_block): Create a propagate_block_info struct to pass
2697 to subroutines. Allocate one not two temporary regsets. Don't
2698 clobber memory for const calls. Look for clobbers in
2699 CALL_INSN_FUNCTION_USAGE.
2700 (mark_set_regs): Recognize COND_EXEC.
2701 (mark_set_reg): Break out of mark_set_1.
2702 (mark_used_reg): Break out of mark_used_regs.
2703 (mark_used_regs): Recognize COND_EXEC.
2704 (insn_dead_p): Use propagate_block_info struct.
2705 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2706 (find_auto_inc, try_pre_increment_1): Likewise.
2707 (print_rtl_with_bb): Dump regs live at end too.
2708 (count_reg_sets_1): Pass in loop_depth.
2709 (count_reg_sets, count_reg_references): Likewise.
2710 (recompute_reg_usage): Provide it.
2712 2000-04-07 Richard Henderson <rth@cygnus.com>
2714 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2717 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2719 * cpplib.c (do_elif): Skip the rest of the line if we're
2720 not going to bother evaluating it.
2721 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2722 to avoid pointless calls to the lexer.
2724 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2726 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2728 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2730 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2732 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2734 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2736 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2738 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2739 crtend so they can be multilibbed.
2740 (STAGESTUFF): Remove s-crt and s-crtS.
2742 2000-04-07 Richard Henderson <rth@cygnus.com>
2744 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2745 if we discover we need a pseudo and no_new_pseudos is true.
2746 * config/alpha/alpha.md (ne:DI insn): New.
2747 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2749 2000-04-07 Richard Henderson <rth@cygnus.com>
2751 * rtl.def (COND_EXEC): New.
2752 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2753 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2755 * genconfig.c (have_cond_arith_flag): Remove.
2756 (have_cond_exec_flag): New.
2757 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2758 (main): Print HAVE_conditional_execution.
2760 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2761 (sched_analyze_insn, print_pattern): Likewise.
2762 * reload.c (find_equiv_reg): Likewise.
2763 * rtlanal.c (reg_referenced_p): Likewise.
2764 (note_stores, dead_or_set_regno_p): Likewise.
2765 (reg_overlap_mentioned_p): Rewrite to use a switch.
2767 * ggc.h (struct rtx_def): Forward declare.
2769 * print-rtl.c (debug_rtx_range): New.
2770 * rtl.h (debug_rtx_range): Declare.
2772 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2774 * gcse.c (gcse_main): Don't rebuild the CFG here.
2775 (delete_null_pointer_checks): Likewise.
2776 * ssa.c (convert_to_ssa): Likewise.
2777 * toplev.c (rest_of_compilation): Do it here instead. Combine
2778 sequential calls to TIMEVAR. Consistently use `insns' instead of
2779 `get_insns()'. Always split insns after reload when optimizing.
2781 * basic-block.h (merge_blocks_nomove): Declare.
2782 (tidy_fallthru_edge): Declare.
2783 * flow.c (merge_blocks_nomove): Document as merging into previous
2784 blocks. Remove cruft from between blocks; remove all edges out of A.
2785 (tidy_fallthru_edge): Export.
2787 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2789 * ssa.c (compute_conservative_reg_partition): Declare with
2791 * toplev.c (clean_dump_file): Remove previously-deleted function
2792 inadvertantly merged back in.
2793 * conflict.c (conflict_graph_add): Use a single call to
2794 htab_find_slot to look up and insert.
2796 2000-04-06 Richard Henderson <rth@cygnus.com>
2798 * genrecog.c (*): Rename _last_insn to last_insn.
2799 (make_insn_sequence): Set the position of the peephole2 C test
2800 to be at the last insn.
2802 2000-04-06 Richard Henderson <rth@cygnus.com>
2804 * flow.c (compute_flow_dominators): Free worklist.
2806 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2808 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2810 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2812 * rtl.h (INSN_P): New macro.
2813 (successor_phi_fn): New typedef.
2814 (for_each_successor_phi): New prototype.
2815 (in_ssa_form): New variable.
2816 (PHI_NODE_P): Likewise.
2817 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2818 phi nodes in successors.
2819 (mark_used_regs): Add PHI case.
2820 (set_phi_alternative_reg): New function.
2821 (life_analysis): Assert that dead code elimination is not selected
2823 * toplev.c (to_ssa_time): New variable.
2824 (from_ssa_time): Likewise.
2825 (compile_file): Zero to_ssa_time and from_ssa_time.
2826 Print time to convert to and from SSA.
2827 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2828 (print_time): Compute percent fraction as integer.
2829 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2830 (convert_to_ssa): Check if we're already in SSA.
2831 Don't eliminate dead code in life_analysis.
2832 Rerun flow and life analysis at bottom.
2833 (eliminate_phi): Use canonical regnos when adding nodes.
2834 (mark_reg_in_phi): New function.
2835 (mark_phi_and_copy_regs): Likewise.
2836 (convert_from_ssa): Rerun life analysis at top.
2837 Use coalesced partition.
2838 Check for removing a phi node at the end of the block.
2839 (compute_coalesced_reg_partition): New function.
2840 (coalesce_regs_in_copies): Likewise.
2841 (coalesce_reg_in_phi): Likewise.
2842 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2843 (for_each_successor_phi): Likewise.
2844 (rename_context): New struct.
2845 (rename_block): Use a rename_context with rename_insn_1. When
2846 renaming sets of a subreg, emit a copy of the entire reg first.
2847 (rename_insn_1): Treat data as a rename_context *. Save current
2849 (rename_set_data): Add field set_insn.
2850 * Makefile.in (HASHTAB_H): Move up in file.
2851 (OBSTACK_H): New macro.
2852 (collect2.o): Use OBSTACK_H in dependencies.
2853 (sdbout.o): Likewise.
2854 (emit-rtl.o): Likewise.
2855 (simplify-rtx.o): Likewise.
2856 (fix-header.o): Likewise.
2857 (OBJS): Add conflict.o.
2858 (conflict.o): New rule.
2859 * basic-block.h: Include partition.h.
2860 (conflict_graph): New typedef.
2861 (conflict_graph_enum_fn): Likewise.
2862 (conflict_graph_new): New prototype.
2863 (conflict_graph_delete): Likewise.
2864 (conflict_graph_add): Likewise.
2865 (conflict_graph_conflict_p): Likewise.
2866 (conflict_graph_enum): Likewise.
2867 (conflict_graph_merge_regs): Likewise.
2868 (conflict_graph_print): Likewise.
2869 (conflict_graph_compute): Likewise.
2870 * conflict.c: New file.
2872 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2874 * tlink.c (read_repo_files): Don't look for .rpo info for
2877 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2879 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2881 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2883 * config/sh/lib1funcs.asm (___udivsi3_i4):
2884 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2885 only depends on FMOVD_WORKS.
2887 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2889 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2890 make double constant 8-byte aligned.
2892 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2894 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2895 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2896 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2897 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2898 Accept storing GENERAL_REGS into offsetable memory.
2899 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2900 building a TFmode constant other than 0.0L into GENERAL_REGS.
2902 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2904 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2906 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2908 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2909 (macro_cleanup): No need to cast pbuf->macro.
2910 (collect_expansion): Use _cpp_get_define_token. Goto done if
2911 it returns VSPACE. Remove check for trailing space after
2913 (_cpp_create_definition): Don't diddle flags here. Return
2915 (unsafe_chars): Handle c1 being EOF.
2916 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2917 checks. Don't push the buffer till after we're done with
2919 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2920 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2921 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2923 (_cpp_parse_assertion): Don't NUL terminate.
2924 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2925 hspace before calling _cpp_parse_assertion. Remove all sets
2926 of only_seen_white. Treat '\f' as hspace. Don't do anything
2927 special with '\n' here.
2928 (maybe_macroexpand): Handle T_EMPTY hash entries without
2929 pushing a buffer at all.
2930 (cpp_get_token): Handle clearing only_seen_white here. Handle
2931 incrementing the line number here. Clear
2932 potential_control_macro as well as only_seen_white, if
2934 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2935 (_cpp_get_define_token): New function, basically like
2936 _cpp_get_directive_token was but doesn't eat horizontal space.
2937 Don't do anything with only_seen_white here.
2938 (_cpp_get_directive_token): Just call _cpp_get_define_token
2939 repeatedly till it returns non-hspace.
2941 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2942 (conditional_skip, skip_if_group): Return int.
2943 (DIRECTIVE_TABLE): Change origin of all conditional directives
2945 (TRAD_DIRECT_P): New macro.
2946 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2947 an error for a bogus directive, unless -lang-asm. Use
2948 TRAD_DIRECT_P. Loop calling handler functions till one returns
2950 (get_macro_name): Don't diddle flags here.
2951 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2952 Create T_EMPTY nodes for #define macro /* nothing */.
2953 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2954 Use hp->name when calling pass_thru_directive.
2955 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2956 Return the result of conditional_skip and/or skip_if_group.
2957 Don't call _cpp_output_line_command.
2958 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2959 Issue -Wtraditional warnings as appropriate. Don't complain
2960 about unrecognized directives. If we are to stop skipping,
2961 return the number of the directive that ended the skip.
2962 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2963 expansion and line commands while skipping. Return the result
2964 of consider_directive_while_skipping, if nonzero.
2965 (do_endif): Just set potential_control_macro here.
2966 (validate_else): Use _cpp_get_directive_token.
2967 (do_assert, do_unassert): Don't save pointers into the
2968 token_buffer across calls to the lexer. Use
2969 _cpp_get_directive_token.
2971 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2972 pointer, not an offset. Replace 'data', which was a generic
2973 pointer, with 'macro', which points to a struct hashnode.
2974 (cpp_reader): Add 'potential_control_macro' pointer.
2975 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2976 (CPP_BUF_GET, CPP_FORWARD): Delete.
2977 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2978 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2979 ACTIVE_MARK_P): Update.
2980 (_cpp_get_define_token): New internal function.
2981 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2983 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2985 * configure.in: And here.
2986 * configure: Regenerate.
2987 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2988 --enable-libstdcxx-v3 is passed at configure time.
2989 * config.h.in: Regenerate.
2991 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2993 * final.c (final): Use xcalloc to allocate line_note_exists.
2994 * function.c (free_after_compilation): Free the temp_slots.
2995 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2996 (combine_temp_slot): Free temp_slots when they get combined.
2997 (purge_addressof): Fix typo in comment.
2998 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2999 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3001 * ggc.h: Include varray.h.
3002 (ggc_pending_trees): Declare.
3003 (ggc_mark_tree_children): Remove declaration.
3004 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3005 * ggc-common.c (ggc_pending_trees): New variable.
3006 (ggc_mark_roots): Call ggc_mark_trees.
3007 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3008 the ggc_pending_trees.
3009 * Makefile.in (GGC_H): New variable. Use it throughout in place
3012 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3014 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3017 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3019 * sh.c (sh_insn_length_adjustment): New function.
3020 * sh-protos.h (sh_insn_length_adjustment): Declare.
3021 * sh.h (ADJUST_INSN_LENGTH): Use it.
3023 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3025 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3026 from the insn where REG_RETVAL is added.
3027 (emit_no_conflict_block): Ditto.
3029 * md.texi (Standard Names): Clarify when movX is needed.
3031 * combine.c (simplify_comparison) [MINUS]: Do not replace
3032 all (op (minus A B) 0) with (op A B).
3034 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3035 J"orn Rennecke <amylaar@cygnus.co.uk>
3037 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3038 (block_lump_real): Likewise.
3040 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3042 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3043 remaining non-zero debugging masks.
3045 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3047 * basic-block.h (verify_flow_info): Declare.
3048 (flow_loop_outside_edge_p): Declare.
3049 * flow.c (verify_flow_info): Remove declaration.
3050 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3052 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3054 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3057 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3059 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3060 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3061 seqdi_zero_trunc+1): Allow splits only if registers are
3064 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3066 * acconfig.h: Add HAVE_GAS_HIDDEN.
3067 * config.in: Regenerated.
3068 * configure.in: Add test for .hidden pseudo-op in gas.
3069 * configure: Regenerated.
3070 * crtstuff.c: Include auto-host.h.
3071 Emit additional .hidden pseudo-op for __dso_handle if the
3072 assembler knows about it.
3074 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3076 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3077 before freeing argnames.
3078 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3080 2000-04-05 Michael Meissner <meissner@redhat.com>
3082 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3083 Walton <jonboy@gordian.com> to make memory references with update
3084 work wtih -mregnames.
3086 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3088 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3089 (regrename_optimize): Rename variables `def_uses' and
3090 `ext_basic_blocks' to avoid conflicts with similarly named
3091 typedefs in traditional C.
3093 * calls.c (initialize_argument_information): Fix typo in previous
3096 2000-04-04 Richard Henderson <rth@cygnus.com>
3098 * regrename.c (consider_available): Test fixed_regs not
3099 PIC_OFFSET_TABLE_REGNUM.
3101 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3103 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3105 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3106 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3107 (ENDFILE_LINUX_SPEC): Always use crtend.
3108 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3109 (powerpc-*-linux-gnu): Likewise.
3110 * configure: Regenerate.
3112 * config/rs6000/eabi.h: Don't include sysv4.h.
3113 (MULTILIB_DEFAULTS): Don't define.
3114 * config/rs6000/eabiaix.h: Don't include eabi.h.
3115 * config/rs6000/eabile.h: Delete.
3116 * config/rs6000/eabilesim.h: Delete.
3117 * config/rs6000/eabisim.h: Don't include eabi.h.
3118 * config/rs6000/linux.h: Don't include sysv4.h.
3119 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3120 (MULTILIB_DEFAULTS): Don't redefine.
3121 * config/rs6000/rtems.h: Don't include eabi.h.
3122 * config/rs6000/sol2.h: Don't include sysv4le.h.
3123 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3124 * config/rs6000/t-ppc: Delete.
3125 * config/rs6000/t-ppcgas: Correct comment.
3126 * config/rs6000/t-ppcos: Correct comment. Don't build
3127 multilibs for -fPIC, rather use -fPIC -mstrict-align
3129 * config/rs6000/t-ppc: Delete.
3130 * config/rs6000/vxppc.h: Don't include sysv4.h.
3131 * config/rs6000/vxppcle.h: Delete.
3132 * configure.in: Use multiple header files for p2pc ELF targets
3133 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3134 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3135 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3136 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3137 always available for these platforms.
3139 2000-04-04 Richard Henderson <rth@cygnus.com>
3141 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3143 2000-04-04 Stan Cox <scox@cygnus.com>
3145 * Makefile.in: Add rules for regrename.o
3146 * regrename.c: New file.
3147 * rtl.h (regrename_optimize): Add prototype.
3148 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3149 (compile_file, decode_d_option): Add support for -frename-registers.
3150 (rest_of_compilation): Call regrename_optimize.
3151 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3154 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3156 * Makefile (gccbug): New target.
3157 (doc): Depend on it.
3158 * gcc.texi (Bugs): Link subnodes.
3160 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3161 Document severities, priorities, and classes in bug form.
3163 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3165 * cpplex.c (trigraph_map, speccase): Combine into single
3167 (NORMAL, NONTRI): New macros.
3168 (_cpp_read_and_prescan): Change to use unified table. Use
3169 is_hspace to test for whitespace.
3171 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3172 definition that doesn't provoke the "empty body in an
3173 if-statement" warning.
3175 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3177 * builtins.c (expand_builtin_strlen): Force the source to
3178 be a memory address.
3180 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3182 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3184 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3186 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3187 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3188 (ECF_IS_CONST): Rename to ECF_CONST.
3189 (special_function_p): Make static, change interface.
3190 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3191 (expand_call) ... here; convert number of variables to flags.
3192 (emit_library_call_vlue_1): Likewise.
3193 (setjmp_call_p): New function.
3194 (initialize_argument_information): Accepts flags as argument;
3196 (precompute_arguments): Likewise.
3197 * tree.h (special_function_p): Remove.
3198 (setjmp_call_p): Add prototype.
3200 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3202 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3203 so that addresses are offsetable by up to 16 bytes.
3204 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3205 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3208 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3209 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3210 (movsf): Don't force any constant to memory if target is integer
3212 Move fp_zero_operand check below the const0_rtx check.
3213 (movtf): Likewise. Also allow fp_zero_operand for stores into
3215 (movdf): Likewise. Also allow fp_zero_operand for stores into
3216 memory and into integer hard registers.
3217 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3218 movdf_const_intreg_sp64): Remove.
3219 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3221 (movdf_no_e_insn_v9_sp32): New pattern.
3222 (movdf_insn_v9only): Remove.
3223 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3224 (movdf_insn_sp64): Remove.
3225 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3226 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3227 (following splits): Rewrite conditions. Add two new splits
3228 for storing 0.0 into memory and registers.
3229 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3230 (movtf_insn_sp32): Redo constraints and conditions.
3231 (movtf_insn_vis_sp32): New pattern.
3232 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3233 (movtf_insn_hq_sp64): Likewise.
3234 (movtf_insn_hq_vis_sp64): New pattern.
3235 (movtf_insn_sp64): Redo constraints and conditions.
3236 (movtf_insn_vis_sp64): New pattern.
3237 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3238 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3240 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3241 -mvis or -m64 to take down the number of various reload patterns.
3243 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3245 * pa/pa-64.h: New file.
3246 * pa/pa64-regs.h: New file.
3247 * pa/pa64-start.h: New file.
3248 * pa/t-pa64: New file.
3249 * pa/xm-pa64hpux.h: New file.
3251 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * sparc.c (output_restore_regs): Prototype.
3254 (sparc_emit_float_lib_cmp): Constification.
3256 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3258 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3261 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3262 (get_value_hash, hash_rtx): Likewise.
3264 * ssa.c (compute_conservative_reg_partition): Prototype.
3266 * tree.c (mark_hash_entry): Prototype.
3268 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3270 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3271 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3272 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3274 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3275 * objc/lang-specs.h: Likewise.
3277 2000-04-03 Neil Booth <NeilB@earthling.net>
3279 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3280 and SYNTAX_ERROR2. Replace `' in messages with ''.
3281 (op_to_str): Make re-entrant.
3282 (_cpp_parse_expr): Implement new error macros. Use | rather
3283 than || to logically or 2 boolean integers. Simply expression
3284 checking we have a left operand iff needed.
3286 2000-04-03 Nick Clifton <nickc@cygnus.com>
3288 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3290 2000-04-03 Philip Blundell <philb@gnu.org>
3292 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3294 2000-04-03 Felix Lee <flee@cygnus.com>
3296 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3297 (run_shell): Use it.
3299 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3301 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3302 (stmp-fixproto): ...rather than here.
3304 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3306 * pa.c (print_operand): Compute 'base' only inside the code paths
3309 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3311 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3314 2000-04-03 Philipp Thomas <pthomas@suse.de>
3316 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3318 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3320 * Makefile.in (alias.o): Depend on $(TREE_H).
3322 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3324 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3326 * cpplib.c (_cpp_handle_directive): Improve warnings for
3327 traditional C and indented directives.
3329 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3330 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3331 fixinc/inclhack.def: Indent the # of #include_next one space.
3332 * cp/rtti.c: Un-indent #if and #endif.
3334 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3335 syntax error, but an error has already been printed.
3336 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3337 message when called with nothing remaining on the line.
3338 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3339 OTHER token, not an ASSERTION.
3340 * cpplib.c (do_assert): When we create a 'base' node, clear
3341 its aschain pointer.
3343 2000-04-02 Neil Booth <NeilB@earthling.net>
3345 * cppexp.c: New typedef op_t. struct operation and struct
3346 token updated to use it.
3347 (op_to_str): New function.
3348 (_cpp_parse_expr): Error messages modified to use op_to_str.
3350 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3352 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3353 before checking MUST_PASS_IN_STACK.
3355 2000-04-02 Neil Booth <NeilB@earthling.net>
3357 * cppexp.c: New FINISHED dummy token. Combine operator initial
3358 flags and initial priority into a single constant. New
3359 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3360 (_parse_cpp_expr): Implement new constants. Take left operand
3361 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3362 parse indicated by reducing FINISHED token. Remove new lines
3363 from cpp_error messages.
3365 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3367 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3370 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3372 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3373 directive. Add origin values to DIRECTIVE_TABLE. Generate
3374 the strings and function names on the fly. Take the #sccs
3375 entry out of the table if SCCS_DIRECTIVE is not defined.
3376 (_cpp_handle_directive): Decide if the # was at the beginning
3377 of the line here. Issue -pedantic warnings for extended
3378 directives here. Warn about K+R directives with the #
3379 indented, and C89/extended directives with the # not indented,
3381 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3382 do_assert, do_unassert): Don't issue pedantic warning here.
3384 * cpphash.h: Add CPP_WTRADITIONAL macro.
3385 * cpplib.h (struct cpp_options): Rename warn_stringify to
3386 warn_traditional; update comments.
3387 * cppinit.c (handle_option): Set warn_traditional not
3389 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3390 CPP_WTRADITIONAL (pfile).
3391 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3392 be ignored in -traditional mode here.
3394 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3395 to initialize speccase[] and trigraph_map[]. Delete all
3396 references to pfile->input_speccase. Always treat '?' as a
3397 special character. Remove table-initialization code from
3398 _cpp_init_input_buffer.
3400 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3401 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3403 2000-04-01 Richard Henderson <rth@cygnus.com>
3405 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3406 (mostlyclean): Likewise.
3408 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3409 (struct dump_file_info, enum dump_file_index, dump_file): New.
3410 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3411 not a string. Clean out file if we havn't yet done so. Do nothing
3412 if the dump isn't enabled.
3413 (close_dump_file): Do nothing if the dump isn't open. Dump
3414 graph data if requested.
3415 (dump_rtl, clean_dump_file): Remove.
3416 (compile_file): Don't clean the dump files. Only finalize .bp dump
3417 if flag_test_coverage or flag_branch_probabilities. Only finalize
3418 .combine dump if optimizing. Iterate over dump_file to finalize the
3420 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3421 Convert all uses of dump_rtl.
3422 (decode_d_option): Iterate over dump_file to implement 'a' and to
3423 locate pass-specific dumps.
3425 2000-04-01 Neil Booth <NeilB@earthling.net>
3427 * cppexp.c: Redefine priority constants.
3428 (_cpp_parse_expr): Replace left and right priority scheme with
3429 single priority logic. Move LOGICAL to same place as COMPARE.
3430 Remove bogus check for multiple unary +/- operators.
3432 2000-04-01 Neil Booth <NeilB@earthling.net>
3434 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3435 within the switch statement. Binary operations break out of
3436 the switch naturally. '(' tokens handled by forcing
3437 immediate shift. ')' handled by forcing immediate reduce to
3438 the previous '('. New error messages.
3440 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3442 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3443 part', it's already in use. Use %K instead. Add a return at the
3444 end of what is now %K.
3445 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3447 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3449 * builtins.c (expand_builtin_apply): Pass proper parameters to
3450 allocate_dynamic_stack_space.
3451 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3452 update stack_pointer_delta; do not update arg_size_so_far.
3453 (compute_argument_block_size): Use stack_delta instead of
3454 stack_pointer_pending and arg_size_so_far.
3455 (expand_call): Add sanity checking for stack_pointer_delta;
3456 save and restore stack_pointer_delta for SIB, use
3457 stack_pointer_delta for alignment; do not update arg_space_so_far.
3458 (emit_library_call_value): Use stack_pointer_delta for alignment.
3459 (store_one_arg): Do not update arg_space_so_far.
3460 * explow.c (adjust_stack, anti_adjust_stack): Update
3461 stack_pointer_delta.
3462 (allocate_dynamic_stack_space): Add sanity checking for
3463 stack_pointer_delta.
3464 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3465 stack_pointer_delta.
3466 (emit_push_insn): Update stack_pointer_delta.
3467 * function.h (struct expr_status): Add x_stack_pointer_delta;
3468 remove x_arg_space_so_far.
3469 (arg_space_so_far): Remove.
3470 (stack_pointer_delta): New macro.
3472 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3474 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3475 Reorder struct cpp_options and struct cpp_reader for better
3476 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3477 takes two args. Change all 'char' flags to 'unsigned char'.
3478 Move show_column flag into struct cpp_options. Don't
3479 prototype cpp_options_init.
3480 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3481 cppinit.c, cpplex.c, cpplib.c:
3482 Replace CPP_OPTIONS (pfile)->whatever with
3483 CPP_OPTION (pfile, whatever), and likewise for
3484 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3486 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3487 Extract CPP_OPTION (pfile, pending) and work with that
3489 (cpp_options_init): Delete.
3490 (cpp_reader_init): Turn on on-by-default options here.
3491 Allocate the pending structure here.
3492 (cl_options, enum opt_code): Define these from the same table,
3493 kept in a large macro. Add -fshow-column and -fno-show-column
3496 * cpperror.c (v_message): If show_column is off, don't print
3499 * cppmain.c: Update for new interface.
3500 * fix-header.c: Likewise.
3502 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3504 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3506 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3507 are passed to any invocation of AR_FOR_TARGET.
3508 (AR_CREATE_FOR_TARGET): New macro.
3509 (AR_EXTRACT_FOR_TARGET): New macro.
3510 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3511 AR_EXTRACT_FOR_TARGET.
3512 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3513 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3514 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3515 AR_EXTRACT_FOR_TARGET to sub-makes.
3517 2000-03-31 Neil Booth <NeilB@earthling.net>
3519 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3521 (_cpp_parse_expr): Check for multiple unary +/- operators.
3522 Correct priorities of ':' and '?'. Treat ')' as having a
3523 value. Ensure conditional expression is not void.
3525 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3527 * alias.c (canon_rtx): Make it global.
3528 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3530 * cse.c (struct table_elt): Add canon_exp.
3532 (invalidate): Canonicalize expressions only once.
3533 * rtl.h (canon_rtx): Declare.
3535 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3537 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3538 * alias.c (reg_known_value): Add comments.
3539 (init_alias_analysis): Likewise.
3540 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3542 (cse_basic_block): Fix typo in comment.
3543 * emit-rtl.c: Include hashtab.h.
3544 (const_int_htab): New variable.
3545 (const_int_htab_hash): New function.
3546 (const_int_htab_eq): Likewise.
3547 (rtx_htab_mark_1): Likewise.
3548 (rtx_htab_mark): Likewise.
3549 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3550 (unshare_all_rtx): Fix formatting.
3551 (init_emit_once): Initialize const_int_htab.
3552 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3554 * rtl.texi: Document the fact that all CONST_INTs with the same
3557 2000-03-30 Richard Henderson <rth@cygnus.com>
3559 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3561 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3563 * configure.in: Comment out --enable-c-cpplib stanza.
3564 * configure: Regenerate.
3566 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3568 * expr.c (store_constructor): Properly compute displacement and
3569 alignment when offset is variable.
3571 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3572 cases of alignment in bytes.
3574 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3576 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3577 since it is used to generate c-parse.y.
3578 * objc-parse.c, objc-parse.y: Regenerated.
3580 * function.c (expand_function_end): Pass alignment argument to
3581 emit_block_move in bits, not bytes.
3583 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3585 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3588 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3590 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3591 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3592 * function.c (assign_parms): Likewise.
3593 * integrate.c (expand_inline_function): Likewise.
3594 * stmt.c (expand_decl): Likewise.
3595 (copy_rtx_and_substitute): Likewise.
3596 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3597 (clear_by_pieces): Fix error in last change.
3598 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3599 * function.h (regno_pointer_align): Now unsigned.
3600 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3602 * config/i386/i386.c (aligned_operand): Likewise.
3603 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3604 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3605 (unaligned_memory_operand): Likewise.
3606 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3607 Also make alignments and sizes unsigned and some whitespace cleanup.
3608 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3610 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3611 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3612 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3613 (expand_builtin_memset): Likewise, but to clear_storage.
3614 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3615 (restore_fixed_argument_area): Likewise.
3616 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3617 (load_register_parameters): Likewise, to emit_group_load.
3618 (expand_call): Likewise, to emit_group_store and emit_block_move.
3619 (emit_library_call_value_1): Likewise, to emit_block_move.
3620 (store_one_arg): Likewise, and to emit_push_insn.
3621 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3622 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3623 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3624 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3625 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3626 (expand_assigment, store_expr, store_constructor_field): Likewise.
3627 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3628 (store_constructor, store_field, get_inner_reference): Likewise.
3629 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3630 (expand_expr, case COMPONENT_REF): Likewise.
3631 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3632 and positions; reindent code.
3633 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3634 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3635 (assign_parms): Likewise to emit_group_store.
3636 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3637 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3638 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3639 (expand_return): Likewise to {extract,store}_bit_field.
3640 * stor-layout.c (get_mode_alignment): Minor cleanup.
3641 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3642 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3644 2000-03-29 Nick Clifton <nickc@cygnus.com>
3646 * config/arm/arm.h: Undo effects of previous delta:
3647 (ASM_SPEC): Do not define.
3648 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3650 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3653 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3655 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3656 only after reading in the primary source file.
3658 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3660 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3661 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3662 or a reference to a va_list.
3663 * builtins.c (stabilize_va_list): Simplify now we don't have to
3664 work around C array address decay.
3665 * c-typeck.c (convert_for_assignment): Handle assignment to
3666 a reference parameter by taking the address of the RHS.
3667 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3668 (va_copy): Likewise.
3669 (__va_copy): Likewise.
3670 * ginclude/varargs.h (va_start): Likewise.
3671 (__va_copy): Likewise.
3673 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3675 * i386/djgpp.h: Remove extraneous "+".
3677 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3679 * calls.c (expand_call): Fix typo in last change.
3681 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3683 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3686 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3688 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3689 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3690 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3691 * tree.c (bit_position, byte_position): Likewise.
3692 * tree.h: Declare new functions.
3694 2000-03-29 Nick Clifton <nickc@cygnus.com>
3696 * config/arm/arm.c: Minor formatting changes/
3697 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3699 (ASM_SPEC): Define if not already defined.
3701 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3703 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3706 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3708 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3709 value, don't output it as unsigned.
3711 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3713 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3715 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3717 * c-common.c (c_common_nodes_and_builtins): Don't special case
3718 cplus_mode when declaring builtin bzero/bcmp, always avoid
3719 prototype arguments.
3721 2000-03-29 Bruce Korb <bkorb@gnu.org>
3723 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3726 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3728 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3729 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3730 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3731 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3732 (save_fixed_argument_area, restore_fixed_argument_area):
3733 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3734 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3735 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3736 (precompute_register_parameters): Avoid #ifdefs on
3737 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3738 (stire_one_args): Likewise.
3739 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3740 (emit_library_call_value_1): Likewise.
3741 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3742 ACCUMULATE_OUTGOING_ARGS.
3743 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3745 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3746 (use_crosses_set_p): Likewise.
3747 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3748 #define ACCUMULATE_OUTGOING_ARGS 1.
3749 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3751 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3753 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3754 (TARGET_SWITCHES): Add push-args, no-push-args,
3755 accumulate-outgoing-args and no-accumulate-outgoing-args.
3756 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3757 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3758 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3760 (emit_push_insn): Likewise.
3761 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3762 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3763 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3764 (STACK_DYNAMIC_OFFSET): Define correctly for both
3765 ACCUMULATE_OUTGOING_ARGS and normal mode.
3766 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3767 * tm.texi (PUSH_ARGS): Document.
3768 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3770 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3772 * flags.h (flag_optimize_sibling_calls): Declare.
3773 * calls.c (expand_call): Fail sibcall when
3774 !flag_optimize_sibling_calls
3775 * invoke.texi (flag_optimize_sibling_calls): Document.
3776 * toplev.c (flag_optimize_sibling_calls): New global variable.
3777 (f_options): Add flag_optimize_sibling_calls.
3778 (rest_of_compilation): Conditionize
3779 optimize_sibling_and_tail_recursive_calls by
3780 flag_optimize_sibling_calls.
3781 (main): Set flag_optimize_sibling_calls for -O2.
3782 * stmt.c (expand_return): Conditionize tail recursion by
3783 flag_optimize_sibling_calls.
3785 2000-03-29 Richard Henderson <rth@cygnus.com>
3787 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3788 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3790 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3792 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3794 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3796 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3798 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3799 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3800 * config/rs6000/aix.h: then modified likewise.
3802 2000-03-28 Richard Henderson <rth@cygnus.com>
3804 * rtl.h: Redistribute enum reg_note documentation.
3805 Kill trailing whitespace.
3806 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3807 Kill trailing whitespace.
3809 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3811 * cppfiles.c (hash_IHASH): Just return i->hash.
3812 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3813 htab_find_with_hash.
3814 (cpp_read_file): Likewise.
3815 (find_include_file): Likewise. Properly initialize
3816 ih->nshort. Share ih->name and ih->nshort if possible.
3817 * cpphash.c (_cpp_calc_hash): New function.
3818 (hash_HASHNODE): Just return h->hash.
3819 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3820 htab_find_with_hash.
3821 * cpphash.h: Prototype _cpp_calc_hash.
3822 * cppinit.c (initialize_builtins): Provide a valid hash
3823 to _cpp_make_hashnode, using _cpp_calc_hash.
3825 * cpphash.c (collect_expansion): # is not a special character
3826 in object-like macros. In -traditional mode, /**/ is not
3827 token paste at the beginning or end of the line.
3828 * cpplib.c (do_include, do_import, do_include_next): If
3829 parse_include fails, return immediately.
3831 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3833 * config/arm/arm.md (return peepholes): Update to reflect the new
3835 * config/arm/arm.c (arm_volatile_func): Also check
3836 current_function_nothrow.
3837 (output_return_instruction, output_func_prologue): Use it.
3838 (arm_output_epilogue, arm_expand_prologue): Likewise.
3840 2000-03-27 Tom Tromey <tromey@cygnus.com>
3842 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3845 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3847 * expr.c (store_constructor): SIZE now signed.
3848 For EXPR_SIZE, don't evaluate size; just needed if constant.
3849 * fold-const.c (fold): Fix a number of cases when folded tree is
3851 * function.c (flush_addressof): Reenable.
3852 * tree.h (flush_addressof): Likewise.
3853 * toplev.c (independent_decode_option): Look at strings_processed.
3854 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3856 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3858 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3859 Allow stack adjustment after function call.
3861 * regmove.c (struct csa_memlist): Make mem field rtx *.
3862 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3863 (try_apply_stack_adjustment): Replace whole MEM rtx.
3864 (combine_stack_adjustments_for_block): Update calls
3865 to record_one_stack_ref.
3867 2000-03-28 Neil Booth <NeilB@earthling.net>
3869 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3870 '\\' rather than a null character, so nulls are not special. Fix
3871 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3872 speed trigraph conversion.
3873 (_cpp_init_input_buffer): Initialize trigraph map.
3875 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3877 * config/i386/i386.c (output_387_binary_op): Correct intel
3878 mode assembly output, and add spaces after commas in AT&T
3879 output. Correct Unixware assembler comment. Document input
3880 constraints. Comment fp operations. Reduce profligate buffer
3881 size. Remove extraneous abort. Localize temp var.
3882 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3883 (output_fix_trunc): Add spaces after commas in assembly output.
3885 2000-03-27 Richard Henderson <rth@cygnus.com>
3887 * i386-protos.h (ix86_match_ccmode): Declare.
3888 * i386.c (ix86_match_ccmode): New.
3889 (ix86_expand_fp_compare): Update for pattern renames.
3890 (ix86_expand_strlensi_unroll_1): Likewise.
3891 * i386.h (EXTRA_CC_MODES): Add CCZ.
3892 (SELECT_CC_MODE): Use it for EQ/NE zero.
3893 * i386.md (cmpsi_ccz_1): New.
3895 (*testsi_ccz_1): New.
3896 (testqi_ccz_1): New.
3897 (cmpsi_ccno_1): Rename from cmpsi_0.
3898 (testsi_ccno_1): Rename from testsi_1.
3899 (testqi_ccno_1): Rename from testqi_1.
3900 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3901 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3902 (*cmphi_0): Use ix86_match_ccmode.
3903 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3904 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3905 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3906 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3907 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3908 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3909 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3910 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3911 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3912 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3913 (appropriate peepholes): Likewise.
3914 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3915 (*subsi_3, *subhi_3, *subqi_3): Remove.
3916 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3917 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3918 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3919 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3920 (x86_shift_adj_1): Use CCZ.
3921 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3923 2000-03-27 Stan Cox <scox@cygnus.com>
3925 * resource.h (mark_resource_type): New.
3926 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3927 find_free_register): Use mark_resource_type.
3928 (mark_set_resources): Change include_delayed_effects
3929 to mark_resource_type.
3930 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3931 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3932 Use mark_resource_type.
3934 2000-03-27 Richard Henderson <rth@cygnus.com>
3936 * i386.md (call_pop_0, call_value_pop_0): New.
3937 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3938 (call_value_pop_1): Likewise.
3939 (call_0, call_value_0): New.
3940 (call_1, call_value_1): Remove constraint from unused arg.
3942 2000-03-27 Nick Clifton <nickc@cygnus.com>
3944 * invoke.texi (Spec Files): Document new spec % command created by
3945 Tom Tromey's recent patch.
3947 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3949 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3952 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3954 * expr.c (expand_assignment): Fix typo in last change.
3956 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3958 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3960 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3961 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3962 and DECL_INLINE if FUNCTION_DECL.
3963 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3964 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3965 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3966 (combine_parm_decls): Likewise.
3967 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3968 * print-tree.c (print_node): Likewise.
3969 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3970 DECL_TRANSPARENT_UNION on proper decl types.
3971 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3972 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3973 DECL_BIT_FIELD of FIELD_DECL.
3974 * tree.h (DECL_RESULT_FLD): New macro.
3976 * expr.c (expand_assignment): Add code to handle variable-sized
3979 2000-03-26 Richard Henderson <rth@cygnus.com>
3981 * calls.c (expand_call): Pass parms not original exp to
3982 optimize_tail_recursion. Mind return value instead of looking
3984 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3985 call_expr. Move checks for call_expr and current_function_decl ...
3986 (expand_return): ... here.
3988 2000-03-26 Tom Tromey <tromey@cygnus.com>
3990 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3991 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3993 (process_command): Use them.
3994 (check_live_switch): Likewise.
3995 (give_switch): Skip ignored switches.
3997 2000-03-26 Jan Hubicka <jh@suse.cz>
3999 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4000 for minimal jump pass test.
4002 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4004 * integrate.c (function_cannot_inline_p): Do inline functions that
4007 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4009 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4010 now a list of TREE_LIST entries, not types.
4011 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4013 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4014 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4016 * config/mips/mips.c (function_arg): Likewise; also remove cast
4017 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4018 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4019 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4020 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4021 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4022 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4023 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4024 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4025 num_adjusts now unsigned.
4026 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4027 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4029 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4030 as is BITPOS variable; use host_integerp and int_bit_position.
4031 (function_arg_record_value_2): Likewise.
4032 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4033 Variable REGNO now unsigned.
4034 (function_arg_record_value): NREGS now unsigned.
4036 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4038 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4040 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4042 * Rework fields used to describe positions of bitfields and
4043 modify sizes to be unsigned and use HOST_WIDE_INT.
4044 * alias.c (reg_known_value_size): Now unsigned.
4045 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4046 (really_start_incremental_init): Use bitsize_zero_node.
4047 (push_init_level, pop_init_level, output_init_element): Likewise.
4048 Use bitsize_unit_node and bitsize_one_node.
4049 (output_pending_init_elements, process_init_element): Likewise.
4050 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4051 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4052 HOST_WIDE_INT, respectively.
4053 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4054 (num_sign_bit_copies): Returns unsigned.
4055 BITWIDTH now unsigned; rework arithmetic.
4056 Remove recursive call from arg to MAX.
4057 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4058 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4060 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4061 (find_split_point, expand_compound_operation, make_extraction): LEN
4062 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4063 (make_field_assignment): Likewise.
4064 (combine_simplify_rtx): Add cast.
4065 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4066 (force_to_mode): WIDTH now unsigned; add cast.
4067 (if_then_else_cond): SIZE now unsigned.
4068 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4069 (extended_count): Now returns unsigned.
4070 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4071 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4072 (simplify_comparison): MODE_WIDTH now unsigned.
4073 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4074 (mark_used_regs_combine): Likewise; rework arithmetic.
4075 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4076 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4077 (record_promoted_value): REGNO now unsigned.
4078 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4079 (get_last_value): REGNO now unsigned.
4080 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4081 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4082 (remove_death): Arg REGNO now unsigned.
4083 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4084 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4086 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4087 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4088 (struct cse_reg_info): REGNO now unsigned.
4089 (cached_regno): Now unsigned.
4090 (REGNO_QTY_VALID_P): Add cast.
4091 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4092 (remove_invalid_regs): Likewise.
4093 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4094 as are variables END and I.
4095 (get_cse_reg_info, insert): Likewise.
4096 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4097 (canon_hash): Likewise.
4098 (insert_regs, lookup_for_remove): REGNO now unsigned.
4099 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4101 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4102 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4103 * emit-rtl.c (subreg_realpart_p): Add cast.
4104 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4105 (operand_subword_force): Arg I is now unsigned.
4106 * except.c (eh_regs): Variable I is now unsigned.
4107 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4108 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4109 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4110 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4111 (extract_split_bit_field, store_bit_field, extract_bit_field):
4113 * expr.c (store_constructor_fields, store_constructor, store_field):
4114 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4115 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4116 (do_jump): Likewise.
4117 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4118 MAX_SIZE is now unsigned.
4119 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4120 (emit_group_store): Likewise.
4121 (emit_move_insn): I now unsigned.
4122 (store_constructor): Use host_integerp, tree_low_cst, and
4124 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4125 Rework all calculations to use trees and new fields.
4126 * expr.h (promoted_input_arg): Regno now unsigned.
4127 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4128 (mark_seen_cases): Arg is HOST_WIDE_INT.
4129 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4130 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4131 precisions and alignments are unsigned.
4132 (optimize_bit_field_compare, fold_truthop): Likewise.
4133 (int_const_binop): Adjust threshold for size_int_type_wide call.
4134 (fold_convert): Likewise.
4135 (size_int_type_wide): Make table larger and fix thinko that only
4136 had half of table used.
4137 (all_ones_mask_p, fold): Precisions are unsigned.
4138 * function.c (put_reg_info_stack): REGNO is unsigned.
4139 (instantiate_decl): Size is HOST_WIDE_INT.
4140 (instantiate_virtual_regs): I is unsigned.
4141 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4142 (promoted_input_arg): REGNO is unsigned.
4143 * function.h (struct function): x_max_parm_reg is now unsigned.
4144 * gcse.c (max_gcse_regno): Now unsigned.
4145 (struct null_pointer_info): min_reg and max_reg now unsigned.
4146 (lookup_set, next_set): REGNO arg now unsigned.
4147 (compute_hash_table): REGNO and I now unsigned.
4148 (handle_avail_expr): regnum_for_replacing now unsigned.
4149 (cprop_insn): REGNO now unsigned.
4150 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4151 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4152 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4153 * hard-reg-set.h (reg_class_size): Now unsigned.
4154 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4155 * jump.c (mark_modified_reg): I now unsigned; add cast.
4156 (rtx_equal_for_thread_p): Add cast.
4157 * loop.c (max_reg_before_loop): Now unsigned.
4158 (struct_movable): REGNO now unsigned.
4159 (try_copy_prop): REGNO arg unsigned.
4160 (regs_match_p): XN and YN now unsigned.
4161 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4162 (strength_reduce): Likewise; NREGS also unsigned.
4163 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4164 * loop.h (struct iv_class): REGNO now unsigned.
4165 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4167 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4168 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4169 * optabs.c (expand_binop): I and NWORDS now unsigned.
4170 (expand_unop): I now unsigned.
4171 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4172 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4173 * real.c (significand_size): Now returns unsigned.
4174 * real.h (significand_size): Likewise.
4175 * regclass.c (reg_class_size): Now unsigned.
4176 (choose_hard_reg_mode): Both operands now unsigned.
4177 (record_reg_classes): REGNO and NR now unsigned.
4178 (reg_scan): NREGS now unsigned.
4179 (reg_scan_update): old_max_regno now unsigned.
4180 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4181 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4182 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4183 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4184 Likewise for variable R.
4185 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4186 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4187 (find_equiv_reg): Add casts.
4188 (regno_clobbered_p): Arg REGNO now unsigned.
4189 * reload.h (struct reload): NREGS now unsigned.
4190 (refers_to_regno_for_reload_p): Regno args are unsigned.
4191 (regno_clobbered_p): Likewise.
4192 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4193 (compute_use_by_pseudos): REGNO now unsigned.
4194 (find_reg): I and J now unsigned, new variable K, and change loop
4195 variables accordingly; THIS_NREGS now unsigned.
4196 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4197 (spill_hard_reg): REGNO arg now unsigned; add casts.
4198 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4199 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4200 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4201 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4202 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4203 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4204 (emit_reload_insns): REGNO now unsigned.
4205 (reload_cse_move2add): Add cast.
4206 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4208 * resource.c (mark_referenced_resources, mark_set_resources): New
4209 variable R; REGNO and LAST_REGNO now unsigned.
4210 (mark_target_live_regs): J and REGNO now unsigned.
4211 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4212 * rtl.h (union rtunion_def): New field rtuint.
4213 (XCUINT): New macro.
4214 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4215 (operand_subword, operand_subword_force): Word number is unsigned.
4216 (choose_hard_reg_mode): Operands are unsigned.
4217 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4218 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4219 (regno_use_in, combine_instructions, remove_death): Likewise.
4220 (reg_scan, reg_scan_update): Likewise.
4221 (extended_count): Return is unsigned.
4222 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4223 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4224 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4225 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4226 (reg_reg_last_1): FIRS and LAST now unsigned.
4227 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4228 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4230 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4231 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4232 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4233 (replace_regs): Arg NREGS now unsigned.
4234 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4235 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4236 (simplify_binary_operation): Likewise.
4237 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4238 THIS_LAST now unsigned.
4239 (cselib_record_set): Add cast.
4240 * ssa.c (ssa_max_reg_num): Now unsigned.
4241 (rename_block): REGNO now unsigned.
4242 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4244 (all_cases_count): Just return -1 not -2.
4245 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4246 Rework tests to use trees whenever possible.
4247 Use host_integerp and tree_low_cst.
4248 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4249 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4250 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4251 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4252 (smallest_mode_for_size): Likewise.
4253 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4254 KNOWN_ALIGN is now an alignment, so simplify code.
4255 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4256 (start_record_layout): Renamed from new_record_layout_info.
4257 Update to new fields.
4258 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4260 (place_union_field): Renamed from layout_union_field.
4261 Update to use new fields in rli.
4262 (place_field): Renamed from layout_field.
4263 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4264 (finalize_record_size): Rework to use new fields in rli and handle
4266 (compute_record_mode): Rework to simplify and to use new DECL fields.
4267 (finalize_type_size): Make rounding more consistent.
4268 (finish_union_layout): Deleted.
4269 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4270 (layout_type, case RECORD_TYPE): Call new function names.
4271 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4272 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4273 (get_best_mode): UNIT is now unsigned; remove casts.
4274 * tree.c (bit_position): Compute from new fields.
4275 (byte_position, int_byte_position): New functions.
4276 (print_type_hash_statistics): Cast to remove warning.
4277 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4278 (build_index_type): Likewise; make subtype of sizetype.
4279 (build_index_2_type): Pass sizetype to build_range_type.
4280 (build_common_tree_nodes): Use size_int and bitsize_int to
4281 initialize nodes; add bitsize_{zero,one,unit}_node.
4282 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4283 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4284 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4285 (DECL_FIELD_BITPOS): Deleted.
4286 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4287 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4288 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4289 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4290 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4291 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4292 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4293 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4294 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4295 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4296 (DECL_ALIGN): Adjust to new field in union.
4297 (DECL_OFFSET_ALIGN): New field.
4298 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4299 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4300 (union tree_decl): Add struct for both aligns.
4301 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4302 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4303 (struct record_layout_info): Rework fields to have offset
4304 alignment and byte and bit position.
4305 (start_record_layout, place_field): Renamed from old names.
4306 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4307 (byte_position, int_byte_position): Likewise.
4308 (get_inner_reference): Change types of position and length.
4309 * unroll.c (unroll_loop): New variable R; use for some loops.
4310 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4311 (calculate_giv_inc): Arg REGNO now unsigned.
4312 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4313 * varasm.c (assemble_variable): Clean up handling of size using
4314 host_integerp and tree_low_cst.
4315 (decode_addr_const): Use byte, not bit, position.
4316 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4317 use tree_low_cst and int_bit_position.
4318 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4320 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4322 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4323 (reorder_block_def): New members eff_head and eff_end.
4324 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4325 (verify_insn_chain): New function.
4326 (skip_insns_between_block): Add code to skip deleted insns.
4327 Check for note before using.
4328 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4329 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4330 Check for note before using.
4331 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4332 (fixup_reorder_chain): Restructure, clean up, defect removal.
4333 (reorder_basic_blocks): Remove last_insn and references to it.
4334 Moved insn chain verification code into a new function (see above).
4335 Delete defective code that sets last insn.
4336 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4339 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4341 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4343 2000-03-24 Richard Henderson <rth@cygnus.com>
4345 * tree.c (lang_safe_for_unsave): Remove.
4346 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4347 allowing for two levels of unsafeness. Remove lang hook.
4348 * tree.h: Update declarations.
4349 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4350 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4351 Always fail sibcalls when there are pending cleanups.
4353 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4355 * flow.c (propagate_block): When we delete an ADDR_VEC,
4356 also delete the BARRIER following it if there is one.
4358 2000-03-24 Richard Henderson <rth@cygnus.com>
4360 * builtins.c (expand_builtin_bzero): Convert `length' argument
4363 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4365 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4366 comparison if regno's are equal.
4367 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4368 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4369 (expand_call): Update caller.
4370 Avoid making a sibling call if argument size of the callee is larger
4371 than argument size of the caller.
4372 Call hard_function_value with outgoing set if in sibcall pass.
4373 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4375 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4376 Change LEAF_REGISTERS from an array initializer to actual array
4377 identifier. Move static global variable into the function.
4378 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4379 sequences for leaf functions.
4380 * global.c (global_alloc): Likewise.
4381 * tm.texi (LEAF_REGISTERS): Update documentation.
4383 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4384 TARGET_FLAT leaf disabling hack.
4385 (LEAF_REGISTERS): Changed from an array initializer to actual array
4386 identifier to avoid duplication and remove the above hack.
4387 (FUNCTION_OK_FOR_SIBCALL): Define.
4388 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4389 always like call attribute.
4390 (eligible_for_sibcall_delay): New attribute.
4391 (sibcall): New delay type.
4392 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4393 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4394 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4395 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4396 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4398 (output_function_epilogue): Move part of the code into
4399 output_restore_regs.
4400 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4402 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4405 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4406 until infrastructure is finished.
4408 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4410 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4411 (save_parm_insns): Not here.
4413 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4415 * builtins.c (expand_builtin_bzero): New function.
4416 (expand_builtin): Handle bzero.
4418 * builtins.def: Add BUILT_IN_BZERO.
4420 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4421 prototype & function for bzero.
4423 2000-03-23 Michael Meissner <meissner@redhat.com>
4425 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4426 change adding TARGET_FP to the TF floating point insns, except for
4427 trunctfsf2, which generates direct calls to truncdfsf2.
4429 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4431 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4432 try to protect against middle-end changes that break binary
4434 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4436 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4438 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4440 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4442 * calls.c (expand_call): If TARGET is passed by reference and
4443 is readonly, write a CLOBBER.
4445 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * builtins.c (expand_builtin): Handle bcmp.
4449 * builtins.def: Add BUILT_IN_BCMP.
4451 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4452 prototype & function for bcmp.
4454 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4456 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4457 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4458 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4460 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4462 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4463 alternative when using -fp64 -gp32.
4465 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4467 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4468 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4469 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4471 * frame.h (frame_state): Revert last change.
4472 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4473 * libgcc2.c (throw_helper): Revert last change.
4475 2000-03-22 Richard Henderson <rth@cygnus.com>
4477 * stmt.c (expand_asm_operands): Don't promote the temporary.
4479 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4481 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4482 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4483 c_get_alias_set): Likewise.
4484 * c-decl.c (duplicate_decls): Likewise.
4485 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4486 * calls.c (initialize_argument_information): Likewise.
4487 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4489 * dwarfout.c (decl_class_context,output_type): Likewise.
4490 * expr.c (get_inner_reference): Likewise.
4491 * fold-const.c (simple_operand_p,fold): Likewise.
4492 * function.c (aggregate_value_p): Likewise.
4493 * stmt.c (expand_asm_operands): Likewise.
4494 * varasm.c (named_section): Likewise.
4496 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4498 Implement dwarf2 exception handling for the ARM.
4499 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4500 (DWARF_FRAME_RETURN_COLUMN): Define.
4501 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4502 REG_FRAME_RELATED_EXPR note.
4503 (emit_sfm): Likewise.
4504 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4505 * dwarf2out.c (reg_save): Handle saving a register to itself.
4506 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4507 * except.c (eh_regs): Don't use the static chain reg if it's
4509 * frame.h (frame_state): Add cfa_saved field.
4510 * frame.c (execute_cfa_insn): Set it.
4511 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4513 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4515 (instantiate_virtual_regs): Adjust.
4517 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4518 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4519 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4521 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4522 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4524 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4526 * builtins.def: New file.
4528 * Makefile.in (TREE_H): Depend on builtins.def.
4530 * builtins.c (built_in_names): Use builtins.def.
4532 * tree.h (built_in_function): Likewise.
4534 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4536 * tree.c (size_in_bytes): Return size_zero_node, not
4539 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4541 * config/fp-bit.c (pack_d): Correct the case when a denormal
4542 is rounded up and stops being denormal.
4544 2000-03-21 Richard Henderson <rth@cygnus.com>
4546 * config/alpha/alpha.c (function_arg): Check for void_type_node
4547 before using MUST_PASS_IN_STACK.
4549 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4551 * regmove.c (combine_stack_adjustments_for_block): Check that
4552 the stack pointer is a valid memory address.
4554 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4556 * calls.c: re-install Mar 16 emit_library_call merge.
4558 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4560 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4561 we cannot be sure that if reload_completed base register will
4562 be properly aligned.
4564 2000-03-21 Richard Henderson <rth@cygnus.com>
4566 * flow.c (delete_block): Fix typo last change.
4568 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4570 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4571 not COMPLETE_TYPE_P, to check the type of the expression.
4573 2000-03-21 Michael Meissner <meissner@redhat.com>
4575 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4576 all floating point insns that just tested the macro
4577 TARGET_HAS_XFLOATING_LIBS.
4578 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4579 used to only use the gprs.
4581 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4583 * tree.h (COMPLETE_TYPE_P): New macro.
4584 (COMPLETE_OR_VOID_TYPE_P): New macro.
4585 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4586 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4587 * c-aux-info.c (gen_type): Use them.
4588 * c-common.c (c_expand_expr_stmt): Likewise.
4589 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4590 grokdeclarator, grokparms, finish_struct, start_function,
4591 store_parm_decls, combine_parm_decls): Likewise.
4592 * c-parse.y (cast_expr): Likewise.
4593 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4594 c_size_in_bytes, c_alignof, build_component_ref,
4595 build_indirect_ref, build_array_ref, convert_arguments,
4596 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4597 * calls.c (initialize_argument_information): Likewise.
4598 * convert.c (convert_to_integer): Likewise.
4599 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4600 * dwarfout.c (location_or_const_value_attribute,
4601 output_enumeration_type_die, output_structure_type_die,
4602 output_union_type_die, output_type): Likewise.
4603 * expr.c (safe_from_p, expand_expr): Likewise.
4604 * function.c (assign_parms): Likewise.
4605 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4606 * tree.c (build_array_type, build_function_type,
4607 build_method_type, build_offset_type, build_complex_type): Likewise.
4608 * c-parse.c, c-parse.h: Regenerated.
4610 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4612 * config/c4x/rtems.h: Include config/rtems.h.
4614 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4616 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4617 decl is a FUNCTION_DECL
4619 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4621 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4622 function uses output registers. Don't save RP for leaf functions.
4623 Do save RP even if no epilogue.
4624 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4625 (CALL_USED_REGISTERS): Unmark in registers.
4626 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4629 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4631 * config/rs6000/rs6000.md (bunordered): New expander.
4632 (bordered): New expander.
4633 (buneq): New expander.
4634 (bunge): New expander.
4635 (bungt): New expander.
4636 (bunle): New expander.
4637 (bunlt): New expander.
4638 (bltgt): New expander.
4640 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4641 (ccr_bit_negated_p): New function.
4642 (print_operand): For %C, generate appropriate cror for UNEQ,
4643 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4645 2000-03-20 Andreas Jaeger <aj@suse.de>
4647 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4650 * tree.h (safe_for_unsave): Prototype.
4652 2000-03-20 Richard Henderson <rth@cygnus.com>
4654 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4655 (combine_stack_adjustments_for_block): Don't allow sp references
4656 in the side of a set we're not fixing up.
4657 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4658 after life_analysis.
4660 2000-03-20 Richard Henderson <rth@cygnus.com>
4662 * calls.c (expand_call): Don't bother generating tail call
4663 sequences if there are pending cleanups. Use
4664 expand_start_target_temps/expand_end_target_temps to elide
4665 cleanups created during sibcall expansion.
4667 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4669 * configure.in: Set $IFS to a value if it doesn't already have one
4670 in the --enable-checking handling.
4671 * configure: Regenerate.
4673 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4675 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4676 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4679 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4681 * jump.c (delete_noop_moves): Remove code attempting to
4682 combine stack adjustments.
4684 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4686 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4687 * except.c (emit_cleanup_handler): Use them.
4688 (expand_end_all_catch): Likewise.
4689 * function.c (fixup_var_refs): Likewise.
4690 (expand_function_end): Clear catch_clauses_last.
4691 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4692 * except.h (struct eh_status): New field x_catch_clauses_last.
4693 (catch_clauses_last): New define.
4695 * Makefile.in (tree.o): Depend on HASHTAB_H.
4696 * tree.c: Include hashtab.h.
4697 (struct type_hash): Remove next field.
4698 (TYPE_HASH_SIZE): Remove.
4699 (TYPE_HASH_INITIAL_SIZE): New define.
4700 (type_hash_table): Change type to htab_t.
4701 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4702 mark_hash_entry): New functions.
4703 (init_obstacks): Allocate type hash.
4704 (type_hash_lookup): Use htab functions.
4705 (type_hash_add, mark_type_hash): Likewise.
4706 (dump_tree_statistics): Call print_type_hash_statistics.
4708 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4710 * rs6000/t-aix41: New file.
4712 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4714 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4716 * tm.texi (Driver): Fix typos and tweak entry for
4718 Move misplaced STRUCT_FORCE_BLK entry ...
4719 (Storage Layout): ... to here.
4720 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4722 2000-03-19 Richard Henderson <rth@cygnus.com>
4724 * flow.c (delete_block): Delete the addr_vec along with the block.
4725 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4728 * fold-const.c (extract_muldiv): Apply type check for defined
4729 overflow to multiply as well as divide.
4731 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4733 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4735 * emit-rtl.c (remove_unncessary_notes): Check that all
4736 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4737 associated NOTE_BLOCK.
4738 * function.h (identify_blocks): Update comments.
4739 (reorder_blocks): Declare.
4740 * function.c (identify_blocks): Don't take paramters.
4741 (reorder_blocks): Don't take parameters.
4742 * loop.h (find_loop_tree_blocks): Remove.
4743 (unroll_block_trees): Likewise.
4744 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4745 reorder_blocks instead of unroll_block_trees.h
4746 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4747 * stmt.c (find_loop_tree_blocks): Remove.
4748 (unroll_block_trees): Likewise.
4749 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4750 in whole-function mode.
4751 * tree.h (reorder_blocks): Remove declaration.
4753 * expr.c: Include intl.h.
4754 * Makefile.in (expr.o): Depend on intl.h.
4756 2000-03-18 Richard Henderson <rth@cygnus.com>
4758 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4760 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4762 * tree.h (tree_index): Remove enumerals for integer types.
4763 (integer_type_kind): New type.
4764 (integer_types): New variable.
4765 (char_type_node): Adjust.
4766 (signed_char_type_node): Likewise.
4767 (unsigned_char_type_node): Likewise.
4768 (short_integer_type_node): Likewise.
4769 (short_unsigned_type_node): Likewise.
4770 (integer_type_node): Likewise.
4771 (unsigned_type_node): Likewise.
4772 (long_integer_type_node): Likewise.
4773 (long_unsigned_type_node): Likewise.
4774 (long_long_integer_type_node): Likewise.
4775 (long_long_unsigned_type_node): Likewise.
4776 * tree.c (integer_types): New variable.
4777 (init_obstacks): Register it as a root.
4779 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4781 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4782 NEXT_INSN. Update last insn in chain.
4784 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4786 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4787 with TYPE_DECL_SUPPRESS_DEBUG set.
4789 2000-03-18 Richard Henderson <rth@cygnus.com>
4791 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4793 2000-03-18 Richard Henderson <rth@cygnus.com>
4795 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4796 care for HALF_PIC_P.
4797 (expander_call_insn_operand): Remove.
4798 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4799 * i386.h (PREDICATE_CODES): Update.
4800 * i386.md (all call expanders): Remove predicates, remove special
4801 handling for half-pic.
4802 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4803 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4804 (sibcall_epilogue): New.
4806 2000-03-17 Richard Henderson <rth@cygnus.com>
4808 * rtlanal.c (single_set): Reject if the parallel has anything
4809 except SET or USE or CLOBBER.
4811 2000-03-17 Jeff Law <law@cygnus.com>
4812 Richard Henderson <rth@cygnus.com>
4814 * Makefile.in (OBJS): Add sibcall.o.
4816 * sibcall.c: New file.
4817 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4818 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4819 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4820 Emit sibcall patterns when requested. Update all callers.
4821 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4822 elimination seems feasable.
4823 * final.c (leaf_function_p): Sibling calls don't discount being
4825 * flow.c (HAVE_sibcall_epilogue): Provide default.
4826 (find_basic_blocks_1): Sibling calls don't throw.
4827 (make_edges): Make edge from sibling call to EXIT.
4828 (propagate_block): Don't remove sibcall_epilogue insns.
4829 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4830 (sibcall_epilogue): New.
4831 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4832 (identify_blocks_1): Likewise. Break out from ...
4833 (identify_blocks): ... here.
4834 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4835 (reorder_blocks): ... here.
4836 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4837 (record_insns): Extend a varray instead of mallocing new memory.
4838 (contains): Read a varray not array of ints.
4839 (sibcall_epilogue_contains): New.
4840 (thread_prologue_and_epilogue_insns): Emit and record
4841 sibcall_epilogue patterns.
4842 (init_function_once): Allocate prologue/epilogue varrays.
4843 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4844 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4846 (save_for_inline_nocopy): ... here.
4847 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4849 (expand_inline_function): ... here.
4850 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4851 (subst_constants): Handle 'n' formats.
4852 * jump.c (jump_optimize_minimal): New.
4853 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4854 optimizations if it's set.
4855 * rtl.c (copy_rtx): Do copy jump & call for insns.
4856 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4857 (SIBLING_CALL_P): New.
4858 (sibcall_use_t): New.
4859 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4860 Invoke optimize_sibling_and_tail_recursive_calls.
4861 * tree.c (lang_safe_for_unsave): New.
4862 (safe_for_unsave): New.
4863 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4865 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4866 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4867 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4869 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4871 * objc/objc-act.c (encode_method_prototype): Pass types, not
4872 PARM_DECLs, to int_size_in_bytes.
4874 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4876 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4878 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4879 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4881 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4883 * Clean up usages of TREE_INT_CST_LOW.
4884 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4885 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4887 * c-tree.h (min_precision): Move declaration to here.
4888 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4889 (build_unary_op, add_pending_init): Use bit_position.
4890 (pending_init_member, process_init_element): Likewise.
4891 (really_start_incremental_init, push_init_level, pop_init_level):
4892 Don't make copies of nodes or modify them in place, use consistent
4893 types when tracking positions, and use tree routines computations.
4894 (set_init_index, output_init_element): Likewise.
4895 (output_pending_init_elements, process_init_element): Likewise.
4896 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4897 tree_low_cst and int_bit_position; also minor cleanup.
4898 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4899 (print_cst_octal): Precision is unsigned.
4900 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4901 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4902 (simple_type_align_in_bits): Result is unsigned int.
4903 Use tree_int_low_cst and host_integerp.
4904 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4905 (field_byte_offset): Result is HOST_WIDE_INT.
4906 Change types of internal variables so alignments are unsigned int,
4907 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4908 Use host_integerp, tree_low_cst, and int_bit_position.
4909 (add_bit_offset_attribute): Likewise.
4910 (add_data_member_location_attribute): Use tree_cst_low.
4911 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4912 (add_bit_size_attribute): Use tree_low_cst.
4913 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4914 * dwarfout.c: Similar changes to dwarf2out.c.
4915 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4916 * genoutput.c (n_occurences): Return -1 for null string.
4917 (strip_whitespace): Accept null string and make into function.
4918 (scan_operands): Reflect above changes.
4919 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4920 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4921 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4922 * tree.c (int_size_in_bytes): Check for too big to represent.
4923 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4924 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4926 (min_precision): Delete from here.
4927 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4928 and int_bit_position.
4929 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4930 (encode_method_def): Likewise.
4931 (build_ivar_list_initializer): Use int_bit_position.
4932 (generate_shared_structures): Convert size.
4933 (encode_type, encode_complete_bitfield): Use integer_zerop.
4934 (encode_bitfield): Use tree_low_cst and int_bit_position.
4936 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4938 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4940 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4942 * call.c (special_function_p): It is only malloc if it returns
4945 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4947 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4948 (C33_FLAG, TARGET_C3X): Add macros.
4949 (TARGET_SWITCHES): Add -m33 option.
4950 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4952 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4954 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4955 (PARALLEL_PACK_FLAG): Delete.
4956 (TARGET_SWITCHES): Update.
4957 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4959 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4961 * fold-const.c (fold): Fix a few cases when the returned result
4962 is not of the same type as the input.
4964 2000-03-16 Nick Clifton <nickc@cygnus.com>
4966 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4969 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4971 * libgcc2.h: Move prototypes above macros with the same name.
4972 Wrap some function prototypes in the conditional which indicates
4973 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4975 2000-03-16 Richard Henderson <rth@cygnus.com>
4977 * calls.c: Revert last two changes.
4979 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4981 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4982 has exponent 0 is a zero.
4984 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4985 HASH may already be nonzero. Add code/mode into hash value
4986 immediately after repeat label.
4987 (cselib_lookup): Don't leave the hash table in an inconsistent
4988 state before a hash lookup operation.
4990 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4992 * i386.md (all HI and QI mode non-move patterns): Conditionize
4993 by TARGET_[HQ]IMODE_MATH.
4994 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4995 x86_promote_qi_regs): Declare.
4996 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4997 TARGET_PROMOTE_QI_REGS): New macros.
4998 (PROMOTE_MODE): New macro.
4999 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5000 x86_promote_qi_regs): New global variables.
5002 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5004 * calls.c (emit_library_call_value_1): Break out from ...; handle
5005 VOIDmode function calls too.
5006 (emit_library_call_value): ... here.
5007 (emit_library_call): Implement by calling emit_library_call_value_1.
5009 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5011 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5012 Update arg_space_so_far on stack adjustments.
5013 (emit_library_call, emit_library_call_value): Likewise; take into
5014 account arg_space_so_far and pending_stack_adjust when calculcating
5017 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5019 * flow.c: Move all basic block reordering code into its own file.
5020 (create_basic_block): Externalize.
5021 * bb-reorder.c: New file. Copy all basic block reordering code from
5022 flow.c to this file.
5023 (reorder_basic_blocks): Fix fencepost error in for-loop.
5024 (reorder_basic_blocks): Remove braces from single statement for-loops.
5025 * basic-block.h: Add declaration for create_basic_block.
5026 * Makefile.in: Add rules for bb-reorder.o.
5028 2000-03-16 Neil Booth <NeilB@earthling.net>
5030 * cppinit.c (handle_option): Implement #unassert directive
5031 as -A- command line option.
5032 (print_help): Update.
5033 * cpptexi.c: Update.
5035 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5037 * md.texi (Standard Names): Document `jump'.
5039 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5041 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5044 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5046 Merge changes from newppc-branch onto trunk.
5048 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5050 * rs6000.c (toc_hash_table): Update for new hash table functions.
5051 (toc_hash_function): Likewise.
5052 (toc_hash_eq): Likewise.
5053 (toc_hash_mark_entry): Likewise.
5054 (toc_hash_mark_table): Likewise.
5055 (output_toc): Likewise.
5056 (rs6000_add_gc_roots): Likewise.
5058 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5060 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5061 (AR_FLAGS_FOR_TARGET): here. New macro.
5063 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5065 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5066 fpmem_operand) Delete.
5068 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5069 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5070 (rs6000_save_machine_status, rs6000_restore_machine_status,
5071 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5072 references to above variables.
5073 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5074 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5075 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5076 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5077 (XER_REGNO_P, XER_REGNO): New.
5078 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5079 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5080 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5082 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5083 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5084 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5086 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5088 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5089 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5090 * rs6000.h: from here.
5092 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5093 (rs6000_select_rtx_section): Likewise.
5094 (rs6000_encode_section_info): Likewise.
5095 (sdata_section): Likewise.
5096 (sdata2_section): Likewise.
5097 (sbss_section): Likewise.
5098 * sysv4.h (rs6000_select_section): Delete prototype.
5099 (rs6000_select_rtx_section): Likewise.
5100 (rs6000_encode_section_info): Likewise.
5101 (sdata_section): Likewise.
5102 (sdata2_section): Likewise.
5103 (sbss_section): Likewise.
5104 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5106 * sysv4.h: Delete various unnecessary #undef's and put a comment
5107 on the remaining ones.
5108 Change various comments according to coding standard.
5110 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5112 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5113 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5114 (CR0_REGNO_P) Remove.
5115 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5116 setup_incoming_varargs, mtcrf_operation, print_operand,
5117 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5118 Use the above macros.
5120 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5122 * config/rs6000/rs6000.md: Added a new alternative for each
5123 pattern that had a 'x' alternative but no 'y' alternative.
5124 Added a new split for each of the above patterns.
5126 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5128 * aix41.h (ASM_CPU_SPEC): Delete.
5129 (CPP_CPU_SPEC): Delete.
5131 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5132 (ASM_OUTPUT_LABEL): Define.
5133 (ASM_GLOBALIZE_LABEL): Define.
5134 (STRIP_NAME_ENCODING): Define.
5135 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5136 (STRIP_NAME_ENCODING): Don't define.
5137 (ASM_OUTPUT_LABEL): Don't define.
5138 (ASM_GLOBALIZE_LABEL): Don't define.
5139 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5140 names, and ASM_OUTPUT_LABEL to output labels, rather than
5142 (ASM_OUTPUT_LABEL): Define.
5143 (ASM_OUTPUT_INT): Use assemble_name.
5144 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5145 (STRIP_NAME_ENCODING): Don't undefine first.
5146 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5148 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5149 specified with 'asm' even with -fleading-underscore.
5150 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5151 (output_epilog): Likewise.
5152 (output_toc): Likewise.
5153 * tramp.asm: Handle -fleading-underscore correctly.
5155 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5157 (nonlocal_goto_receiver): Delete.
5158 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5160 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5161 (SET_ASM_OP): Define.
5162 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5164 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5167 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5168 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5170 * rs6000.h: Add 'u' to more constants.
5172 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5174 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5176 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5178 * rs6000.c (reg_or_u_cint_operand): New function.
5179 (logical_operand): Handle 64-bit hosts.
5180 (logical_u_operand): New function.
5181 (non_logical_cint_operand): Handle 64-bit hosts.
5182 (non_logical_u_cint_operand): New function.
5183 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5184 (PREDICATE_CODES): Define new functions.
5185 * rs6000-protos.h: Declare new functions.
5186 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5187 (movdi_64): Bracket code intended for 64-bit hosts. Create
5188 CONST_DOUBLE for 32-bit values.
5189 (scc insns): Generate DImode compares.
5190 (mfcr insns): Create DImode versions.
5191 (sge matchers): New patterns.
5193 2000-02-15 Gabriel Paubert <paubert@iram.es>
5195 * rs6000.md: Correct instructions length attributes and
5196 constraints on unsigned compare instructions.
5197 (*ne0): Disable for PowerPC64.
5199 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5201 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5202 quantity, fix profile1.C test failure under -fPIC.
5204 * rs6000.c: Add 'u' to many constants to suppress warnings.
5205 (constant_pool_expr_1): Make static.
5206 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5207 * rs6000.h: Add 'u' to many constants to suppress warnings.
5209 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5210 for the start of the TOC, instead of LCTOC..0.
5211 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5213 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5214 (load_toc_aix_di): Use LCTOC..1.
5216 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5217 * rs6000.c (rs6000_legitimize_address): New function from
5218 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5219 symbols in the constant pool that really are TOC references.
5220 (print_operand_address): For ELF, write TOC offsets under
5221 -fPIC as subtractions in the insn.
5222 (output_toc): For ELF, define symbols in TOC as normal labels,
5224 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5225 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5226 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5227 * rs6000.md (movsi): Only use create_TOC_reference on
5228 symbols in the constant pool that really are TOC references.
5230 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5231 * rs6000.c (rs6000_reorg): Delete.
5232 * rs6000-protos.h (rs6000_reorg): Delete.
5234 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5236 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5238 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5239 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5240 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5241 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5242 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5243 rs6000_aix_emit_builtin_unwind_init.
5244 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5245 rs6000_emit_eh_toc_restore on AIX.
5246 (return_eh_si): Use r2.
5247 (return_eh_di): Use r2.
5249 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5250 since we're breaking binary compatibility anyway.
5252 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5254 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5255 constant_pool_expr_p): Declare them.
5256 (constant_pool_expr_p): Declare it.
5257 * config/rs6000/rs6000.c (toc_label_name): Define.
5258 (rs6000_override_options): Set toc_label_name.
5259 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5260 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5261 uses_TOC): New functions.
5262 (print_operand): Delete old '*' case.
5263 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5264 and strip off rtl for TOC before calling output_addr_const.
5265 (rs6000_emit_load_toc_table): Use toc_label_name.
5266 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5268 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5269 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5270 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5271 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5272 into explicit TOC_REGISTER offsets.
5273 (TOC_REGISTER): New macro.
5274 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5275 TARGET_TOC to reference TOC_REGISTER.
5276 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5277 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5278 uses_TOC before emitting label references.
5280 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5282 * rs6000.md (stack_tie): Fix warning.
5284 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5285 to handle -fleading-underscore.
5286 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5287 (USER_LABEL_PREFIX): New macro.
5288 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5289 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5290 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5291 call-linux can use the same multilibs.
5292 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5293 and call-linux multilibs. Do multilib with -fleading-underscore.
5294 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5295 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5298 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5299 have MASK_SOFT_FLOAT set.
5300 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5301 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5302 CPP_FLOAT_DEFAULT_SPEC.
5304 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5305 * rs6000.md: Whitespace change.
5306 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5307 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5309 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5311 * rs6000.md (eh_epilogue): New expander.
5312 (eh_reg_restore): New expand/split/insn combination.
5313 (return_eh_si): New insn.
5314 (return_eh_di): New insn.
5316 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5317 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5318 * eabi-ctors.c (__do_global_ctors): Register this object's
5319 frame. Clean up. Call atexit() after the constructors.
5320 (__do_global_dtors): Deregister this object's frame. Clean up.
5321 Allow for recursive calls to exit().
5322 * rs6000.c (fixuplabelno): New variable.
5323 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5324 TARGET_RELOCATABLE, it slows down exec() under linux.
5325 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5327 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5328 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5329 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5330 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5331 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5332 (ASM_OUTPUT_DWARF_ADDR): New macro.
5333 (ASM_OUTPUT_DWARF_DATA4): New macro.
5334 (ASM_OUTPUT_DWARF_DATA2): New macro.
5335 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5336 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5337 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5339 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5341 * rs6000.c (rs6000_sr_alias_set): New variable.
5342 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5343 (rs6000_emit_stack_tie): New function.
5344 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5345 in a way that dwarf2out can understand.
5346 (rs6000_frame_related): New function.
5347 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5348 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5349 Use rs6000_emit_stack_tie when needed.
5350 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5351 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5352 * rs6000.md (stack_tie): New insn.
5353 (return_internal_si): Allow return value to be in the count
5355 (return_internal_di): Likewise.
5357 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5359 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5361 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5363 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5365 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5367 * rs6000.md (stmw): Use the right POWER opcode.
5370 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5372 * rs6000-protos.h: New file.
5374 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5376 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5379 * sysv4.h: Likewise.
5381 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5383 * ../../configure.in: Delete powerpcle-*-winnt*
5384 and powerpcle-*-pe|powerpcle-*-cygwin*.
5385 * ../../configure: Regenerated.
5387 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5388 (TARGET_WINDOWS_NT): Delete.
5390 (CALL_NT_DLLIMPORT): Delete.
5391 Delete NT-specific code.
5392 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5395 * nt-ci.asm: Delete.
5396 * nt-cn.asm: Delete.
5397 * ntstack.asm: Delete.
5399 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5401 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5402 (ASM_FILE_START): Likewise.
5403 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5404 (ASM_OUTPUT_LABELREF): Likewise.
5405 (ASM_OUTPUT_SKIP): Likewise.
5406 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5407 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5408 (ASM_OUTPUT_CASE_LABEL): Likewise.
5409 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5410 (ASM_OUTPUT_ASCII): Likewise.
5412 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5414 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5415 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5416 increment rs6000_pic_labelno here.
5417 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5418 and increment rs6000_pic_labelno here.
5420 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5422 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5423 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5424 allocation knows (reg) is dead before the insn.
5426 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5428 * rs6000.md (movsi_to_cr): Correct typo in output template.
5430 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5432 * rs6000.c (rs6000_pic_labelno): Always define.
5433 (rs6000_pic_func_labelno): Delete.
5434 (lmw_operation): Check for a zero base register,
5435 which doesn't mean what we want.
5436 (stmw_operation): New function.
5437 (print_operand): Define new 'l' modifier.
5438 (rs6000_stack_info): We must save all 64 bits of the registers
5439 if TARGET_POWERPC64.
5440 (rs6000_output_load_toc_table): Delete.
5441 (rs6000_emit_load_toc_table): New function.
5442 (rs6000_allocate_stack_space): Delete.
5443 (rs6000_emit_allocate_stack): New function.
5444 (rs6000_emit_prologue): New function.
5445 (output_prolog): Use rs6000_emit_prologue.
5446 (rs6000_emit_epilogue): Change a few variable names to be
5447 more accurate. Restore all 64 bits of the registers if
5448 TARGET_POWERPC64. Only restore the FP registers which were used
5449 if they are being saved/restored one-at-a-time.
5450 (output_mi_thunk): Delete inefficient code generation.
5451 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5452 * rs6000.h: Declare rs6000_emit_load_toc_table,
5453 rs6000_allocate_stack_space, stmw_operation. Don't declare
5454 rs6000_output_load_toc_table.
5455 * rs6000.md (elf_high): Allow register 0, but discourage it
5457 (elf_low): Support loading into register 0.
5458 (load_toc_aix_si): New pattern.
5459 (load_toc_aix_di): New pattern.
5460 (load_toc_v4_pic_si): New pattern.
5461 (load_toc_v4_pic_di): New pattern.
5462 (load_toc_v4_PIC_1): New pattern.
5463 (load_toc_v4_PIC_1b): New pattern.
5464 (load_toc_v4_PIC_2): New pattern.
5465 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5466 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5467 (prologue): New expander.
5468 (movesi_from_cr): New pattern.
5469 (stmw): New pattern.
5470 (save_fpregs_si): New pattern.
5471 (save_fpregs_di): New pattern.
5473 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5475 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5480 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5482 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5484 (movsi_got_internal): Likewise.
5485 (movsi_got_internal+1): Likewise.
5486 (set_sp): 'unspec 7' does a SImode clobber.
5488 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5490 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5491 allocate a stack temporary.
5492 (floatsidf2_internal): Likewise.
5493 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5495 (floatunssidf2): Don't use the fpmem "register", just
5496 allocate a stack temporary.
5497 (floatunssidf2_internal): Likewise.
5498 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5500 (floatsidf2_loadaddr): Delete.
5501 (floatsidf2_store1): Delete.
5502 (floatsidf2_store2): Delete.
5503 (floatsidf2_load): Delete.
5504 (fix_truncdfsi2): Don't use the fpmem "register", just
5505 allocate a stack temporary.
5506 (fix_truncdfsi2_internal_si): Delete.
5507 (fix_truncdfsi2_internal_di): Delete.
5508 (fix_truncdfsi2_internal): New insn.
5509 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5510 (fix_truncdfsi2_store): Delete.
5511 (fix_truncdfsi2_load): Delete.
5512 (fctiwz): Produce gen_fctiwz.
5514 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5516 * eabi.h (INVOKE__main): Define.
5517 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5519 (rs6000_emit_prologue): Likewise.
5520 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5521 this is the main program.
5523 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5525 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5527 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5529 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5530 goes after the argument.
5532 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5534 * rs6000.md: Document 'unspec' values used.
5535 (epilogue): New expander.
5536 (movesi_to_cr_one): New expander.
5537 (movesi_to_cr and following): New pattern.
5539 (return_internal_si): New pattern.
5540 (return_internal_di): New pattern.
5541 (return_and_restore_fpregs_si): New pattern.
5542 (return_and_restore_fpregs_di): New pattern.
5543 * rs6000.h: Declare new functions.
5544 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5545 rather than rs6000_calls_p.
5546 (rs6000_makes_calls): Delete.
5547 (lmw_operation): New function.
5548 (mtcrf_operation): New function.
5549 (rs6000_emit_epilogue): New function.
5550 (output_epilog): Call rs6000_emit_epilogue and final if
5551 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5553 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5555 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5556 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5557 * aix.h (SUBTARGET_SWITCHES): Document switches.
5558 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5559 sched-prolog and sched-epilog the same. Document all the
5561 (TARGET_OPTIONS): No longer allow -mdebug-.
5563 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5565 * rs6000.h (ASM_FILE_END): Move to aix.h.
5566 (EXTRA_SECTIONS): Move to aix.h.
5567 (READONLY_DATA_SECTION): Move to aix.h.
5568 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5569 (SELECT_SECTION): Move to aix.h.
5570 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5571 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5572 (LINK_REGISTER_REGNUM): New definition.
5573 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5574 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5576 * sysv4.h: Delete the code between the inclusion of rs6000.h
5578 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5579 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5580 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5581 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5582 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5583 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5584 (fix_truncdfsi2_internal_di): New pattern.
5585 (fix_truncdfsi2_store): The second arg here is Pmode too.
5586 (fix_truncdfsi2_load): The second arg here is Pmode too.
5587 (tablejumpdi): Now that switch tables hold only SImode values,
5588 gcc needs to know how to add them to the pc which is DImode.
5589 * rs6000.c (rs6000_stack_info): Use symbolic name for
5590 LINK_REGISTER_REGNUM.
5591 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5592 (output_toc): Delete unused variables s1 and s2.
5593 (output_ascii): Use fputs not fprintf on a variable string.
5595 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5597 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5598 * aix43.h: Revert Aug 2 change.
5599 (HAS_INIT_SECTION): Define, not visible yet.
5600 (LD_INIT_SWITCH): Define, not visible yet.
5601 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5603 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5605 * config/rs6000/rtems.h: Include config/rtems.h.
5607 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5609 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5610 (SLOW_UNALIGNED_ACCESS): Define.
5611 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5612 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5613 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5614 (toc_section): Likewise and .toc pseudo-op.
5615 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5617 (TEXT_SECTION_ASM_OP): Likewise.
5618 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5621 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5623 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5624 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5627 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5629 * rs6000.h: Move more stuff from here...
5631 * sysv4.h: Cleanup accordingly.
5632 * netware.h: Likewise
5634 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5636 * rs6000.h: Continue cleanup.
5639 * netware.h: Likewise.
5641 * sysv4.h: Likewise.
5642 * win-nt.h: Likewise.
5644 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5645 (TARGET_OPTIONS): Likewise.
5647 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5648 (SUBTARGET_OPTIONS): Likewise.
5650 * rs6000.md: Fix compile time warnings.
5652 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5654 vxworks patches from the Cygnus tree originally by
5655 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5656 <vmakarov@cygnus.com>.
5657 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5658 (ENDFILE_SPEC): Likewise.
5659 (LIB_VXWORKS_SPEC): New macro.
5660 (STARTFILE_VXWORKS_SPEC): New macro.
5661 (ENDFILE_VXWORKS_SPEC): New macro.
5662 (LINK_START_VXWORKS_SPEC): New macro.
5663 (LINK_OS_VXWORKS_SPEC): New macro.
5664 (CPP_OS_VXWORKS_SPEC): New macro.
5665 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5666 * vxppc.h: Rewrite to use proper configuration method.
5667 * vxppcle.h: New file.
5668 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5669 * ../../configure: Rebuilt.
5671 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5673 Lots of changes to rs6000.h, sysv4.h, aix.h,
5674 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5675 with the aim that rs6000.h is the first header
5676 included and the others override it.
5679 * x-aix41-gld: Remove.
5681 * x-aix41: Remove target-specific switches, and don't specify
5682 -Wl,-bbigtoc as we don't need it any more.
5683 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5684 Use t-aix43 for AIX 4.3 and above.
5685 * ../../configure: Regenerated.
5687 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5688 options, that don't do anything yet.
5689 (MASK_SCHED_PROLOG): New macro.
5690 (MASK_SCHED_EPILOG): New macro.
5691 (TARGET_SCHED_PROLOG): New macro.
5692 (TARGET_SCHED_EPILOG): New macro.
5694 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5696 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5697 one per translation unit, not one per function.
5698 (output_toc): Also do duplicate constant elimination
5699 for per-translation-unit TOCs.
5701 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5702 a comment explaining _exactly_ when this pattern gets used.
5703 (builtin_setjmp_receiver): New pattern for better clarity.
5704 (init_v4_pic): Move it into a section dealing with TOC registers.
5706 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5708 * rs6000.c (toc_hash_table): New variable.
5709 (rs6000_hash_constant): New function.
5710 (toc_hash_function): New function.
5711 (toc_hash_eq): New function.
5712 (toc_hash_mark_entry): New function.
5713 (toc_hash_mark_table): New function.
5714 (output_toc): Don't output duplicate TOC entries in
5716 (rs6000_add_gc_roots): Add the hash table as a GC root.
5717 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5718 where they clearly shouldn't be. This may need to be fixed
5719 later when there is a GNU ar for AIX.
5720 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5721 Don't define BOOT_LDFLAGS as it is now not necessary.
5723 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5725 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5726 for va_list on AIX. Use unsigned_char_type_node rather than
5727 constructing our own version on svr4.
5729 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5731 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5732 since patently it's not.
5734 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5736 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5737 define_expand/define_insn pair, and handle restore of the
5738 SVR4 -fpic register.
5740 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5742 * acconfig.h (HAVE_GAS_WEAK): New define.
5743 * configure.in (assembler weak support): Check for .weak support.
5744 * config.in, configure: Rebuilt.
5745 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5746 HAVE_GAS_WEAK is defined.
5748 2000-03-15 Nick Clifton <nickc@cygnus.com>
5750 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5753 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5755 * cppfiles.c (open_include_file): New function.
5756 (find_include_file, cpp_read_file): Use it.
5758 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5760 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5762 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5764 * flow.c (verify_flow_info): Check for unconditional return.
5766 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5768 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5769 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5770 (__ia64_restore_stack_nonlocal): New.
5771 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5773 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5775 * cpphash.c (collect_formal_parameters): Do not complain about
5776 parameter names that just start with `__VA_ARGS__'.
5778 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5780 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5781 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5782 * i386.c (pentiumpro_cost): Set mul cost to 4.
5783 (x86_use_movx): Set for PPro.
5785 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5787 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5788 STACK_BOUNDARY for empty frames now.
5790 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5792 * stor-layout.c (layout_union): Remove.
5793 (layout_union_field): New function, split out from layout_union.
5794 (finish_union_layout): Likewise.
5795 (layout_field): Handle unions by calling layout_union_field.
5796 (finish_record_layout): Handle unions.
5797 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5798 QUAL_UNION_TYPE handling.
5800 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5802 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5803 end of basic block is jump_insn, not barrier; use create_basic_block
5804 instead of creating basic block by hand.
5806 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5808 * flow.c (reorder_basic_blocks): Account for barriers when writing
5809 over NEXT_INSN (last_bb->end).
5810 (verify_flow_info): Add check for missing barriers.
5812 2000-03-14 Greg McGary <gkm@gnu.org>
5814 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5815 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5816 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5817 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5818 __unbounded, __unbounded__): New keywords.
5819 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5820 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5821 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5823 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5825 * cselib.h: New file.
5826 * alias.c: Include "cselib.h".
5827 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5828 MEMs as two new arguments.
5829 (get_addr): New static function.
5830 (find_base_term): Handle VALUEs.
5831 (memrefs_conflict_p): Likewise.
5832 (true_dependence): Call get_addr on the addresses.
5833 Call fixed_scalar_and_varying_struct_p with addresses that have been
5834 passed through get_addr and canon_rtx.
5835 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5836 with true_dependence.
5837 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5838 * loop.c: Include "cselib.h".
5839 (load_mems): Process extended basic block that enters the loop with
5840 cselib. Use that information to change initialization of the shadow
5841 register so that a constant equivalence is seen by later passes.
5842 * reload1.c: Include "cselib.h".
5843 (reload_cse_invalidate_regno): Delete function.
5844 (reload_cse_mem_conflict_p): Likewise.
5845 (reload_cse_invalidate_mem): Likewise.
5846 (reload_cse_invalidate_rtx): Likewise.
5847 (reload_cse_regno_equal_p): Likewise.
5848 (reload_cse_check_clobber): Likewise.
5849 (reload_cse_record_set): Likewise.
5850 (reg_values): Delete static variable.
5851 (invalidate_regno_rtx): Likewise.
5852 (reload_cse_delete_noop_set): New static function.
5853 (reload_cse_simplify): New static function, broken out of
5855 (reload_cse_noop_set_p): Delete unused argument INSN.
5856 Just call rtx_equal_for_cselib_p on set source and destination.
5857 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5858 reload_cse_delete_noop_set. Delete code to keep track of values; use
5859 cselib functions instead. Delete code to push/pop obstacks.
5860 (reload_cse_simplify_set): Use cselib to find equivalent values.
5861 Delete code to push/pop obstacks.
5862 (reload_cse_simplify_operands): Likewise.
5863 * rtl.def (VALUE): New rtx code.
5864 * rtl.h (union rtunion_def): New elt rt_cselib.
5865 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5866 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5867 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5868 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5869 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5870 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5871 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5872 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5873 cselib_record_set, cselib_record_sets): New static functions.
5874 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5875 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5876 references_value_p): New functions.
5877 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5878 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5879 n_useless_values, reg_values, callmem, cselib_obstack,
5880 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5881 New static variables.
5882 * varray.h (union varray_data_tag): New elt te.
5883 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5884 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5887 2000-03-14 Nick Clifton <nickc@cygnus.com>
5889 * gcc.c (do_spec_1): Catch the case where %* is used in a
5890 substitution pattern, but it has not been initialised.
5891 Issue a meaningful error message if an unrecognised operator
5892 is encountered in a spec string.
5894 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5896 * function.c (prepare_function_start): Correctly initialize
5897 cfun->stack_alignment_needed.
5899 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5901 * cppfiles.c (find_include_file): Don't assume nshort is a
5904 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5906 * configure.in (hppa configurations): Add pa32-regs.h to the
5907 list of tm files as appropriate.
5908 * configure: Rebuilt.
5909 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5911 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5912 (fmpyaddoperands, fmpysuboperands): Likewise.
5913 * pa.h: Remove various definitions which depend on knowing
5914 how registers are numbered.
5915 * pa32-regs.h: New file with PA32 register numbering specific
5918 2000-03-14 Richard Henderson <rth@cygnus.com>
5920 * regmove.c (combine_stack_adjustments): New.
5921 (stack_memref_p, single_set_for_csa): New.
5922 (free_csa_memlist, record_one_stack_memref): New.
5923 (try_apply_stack_adjustment): New.
5924 (combine_stack_adjustments_for_block): New.
5925 * rtl.h (combine_stack_adjustments): Declare.
5926 * toplev.c (rest_of_compilation): Call it.
5928 * i386.md: Revert 2000-01-16 change.
5930 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5932 * gccbug.in: Add web category, gcc specific classes.
5934 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5936 * stor-layout.c (finalize_record_size): Fix typo.
5938 2000-03-14 Stan Shebs <shebs@apple.com>
5940 * c-typeck.c (c_alignof): Error on incomplete types.
5941 * extend.texi (Alignment): Document this.
5943 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5945 * cppfiles.c: Include mkdeps.h.
5946 (find_include_file, read_include_file): Remove _cpp_ prefix
5947 from name, make static.
5948 (_cpp_execute_include): New function, broken out of
5951 * cpplib.c: Don't include mkdeps.h.
5952 (struct directive): Remove type field. Reorder entries. The
5953 function takes only one argument.
5954 (struct if_stack): Make type field an int.
5955 (directive_table): Rename to dtable. Generate it, the
5956 prototypes of the directive handlers, and the enum for the
5957 directive numbers, from a template macro.
5958 (do_ifndef, do_include_next, do_import): New functions.
5959 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5960 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5961 do_ident, do_assert, do_unassert, do_sccs): Take only one
5963 (do_sccs): Define always, but alter behavior based on
5965 (_cpp_handle_directive, consider_directive_while_skipping):
5966 Restructure for new directive table layout.
5968 (pass_thru_directive): Take a directive number, not a pointer
5969 to a struct directive.
5970 (parse_include): New function, broken out of do_include.
5971 (do_include, do_import, do_include_next): Use parse_include
5972 and _cpp_execute_include.
5973 (do_elif, do_else): Test for T_ELSE specifically when checking
5974 for #elif/#else after #else.
5975 (parse_ifdef): New function, broken out of do_ifdef.
5976 (validate_else): Expect a name arg without a leading #.
5977 (if_directive_name): Delete.
5978 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5979 directive handlers with only one argument.
5981 * cpphash.h: Update prototypes.
5982 (enum node_type): Remove entries for directives.
5983 * Makefile.in: Update dependencies.
5985 * cpphash.c (dump_hash_helper): Only dump nodes of type
5986 T_MACRO. Emit a newline after each definition.
5988 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5990 * gccbug.in: New file.
5991 * configure.in (all_outputs): Add gccbug.
5992 * Makefile.in (install-common): Install gccbug.
5993 (GCCBUG_INSTALL_NAME): New variable.
5994 * configure: Rebuilt.
5996 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5998 * function.c (put_var_into_stack): Use type_for_mode to calculate
5999 part_type. Use MEM_SET_IN_STRUCT_P.
6000 * expr.c (store_field): Handle CONCAT.
6001 (store_constructor): Use fields_length.
6002 * tree.c (fields_length): New fn.
6003 * tree.h: Declare it.
6005 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6007 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6008 (cpplex.o): New target.
6009 * po/POTFILES.in: Add cpplex.c.
6011 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6012 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6013 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6014 skip_block_comment, skip_line_comment, skip_comment,
6015 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6016 _cpp_parse_name, skip_string, parse_string,
6017 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6018 _cpp_get_directive_token, find_position,
6019 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6020 (maybe_macroexpand, _cpp_lex_token): New functions.
6022 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6023 parse_goto_mark): Delete.
6024 (_cpp_handle_eof): New function.
6025 (_cpp_handle_directive): Rename from handle_directive.
6026 (_cpp_output_line_command): Rename from output_line_command.
6027 (do_if, do_elif): Call _cpp_parse_expr directly.
6028 * cppfiles.c (_cpp_read_include_file): Don't call
6029 init_input_buffer here.
6030 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6031 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6032 here; pop the token_buffer and skip the rest of the line here.
6033 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6036 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6038 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6039 CPP_GOTO_MARK): New macros.
6040 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6041 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6042 _cpp_read_and_prescan, _cpp_init_input_buffer,
6043 _cpp_grow_token_buffer, _cpp_get_directive_token,
6044 _cpp_handle_directive, _cpp_handle_eof,
6045 _cpp_output_line_command): Prototype them here.
6046 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6047 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6048 quote_string, output_line_command): Remove.
6050 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6052 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6053 whether it is too large we must also verify that it isn't negative.
6055 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6057 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6058 (movsi_zero_liveg0): Remove.
6059 (movsf_insn_novis_liveg0): Remove.
6061 (negsi2_not_liveg0): Rename to negsi2.
6062 (one_cmplsi2): Remove.
6063 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6064 (one_cmplsi2_liveg0): Remove.
6065 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6066 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6067 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6068 (PREDICATE_CODES): Remove zero_operand.
6069 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6070 TARGET_BROKEN_SAVERESTORE.
6071 (zero_operand): Remove.
6072 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6073 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6075 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6076 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6077 TARGET_BROKEN_SAVERESTORE): Remove.
6078 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6080 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6082 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6085 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6087 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6089 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6090 truncating a string. Don't assume tokens are nul terminated.
6091 Problem noted by Andreas Jaeger <aj@suse.de>
6093 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6095 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6096 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6097 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6099 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6101 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6102 STRUCTURE_SIZE_BOUNDARY.
6104 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6106 * tree.h (record_layout_info_s): New structure.
6107 (record_layout_info): New type.
6108 (new_record_layout_info): New function.
6109 (layout_field): Likewise.
6110 (finish_record_layout): Likewise.
6111 * stor-layout.c (layout_record): Remove.
6112 (new_record_layout_info): New function.
6113 (layout_field): New function, broken out from layout_record.
6114 (finalize_record_size): Likewise.
6115 (compute_record_mode): Likewise.
6116 (finalize_type_size): New function, broken out from layout_type.
6117 (finish_record_layout): Likewise.
6118 (layout_type): Use them.
6120 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6122 * cpphash.c: Don't include version.h.
6123 (special_symbol) [case T_VERSION]: Look for the string in
6124 hp->value.cpval; don't use version_string.
6125 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6126 __VERSION__ to version_string.
6127 * Makefile.in (cpphash.o): Update deps.
6129 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6131 Convert cpplib to use libiberty/hashtab.c.
6133 * cpplib.h (struct cpp_reader): Make hashtab and
6134 all_include_files of type 'struct htab *'. Delete HASHSIZE
6135 and ALL_INCLUDE_HASHSIZE macros.
6137 * cpphash.h: Update prototypes.
6138 (struct hashnode): Remove next, prev, and bucket_hdr members.
6139 Make length a size_t. Add hash member.
6140 (struct ihash): Remove next member. Add hash member. Make
6141 name a flexible array member.
6143 * cppfiles.c: Include hashtab.h.
6144 (include_hash): Delete.
6145 (IHASHSIZE): New macro.
6146 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6147 (cpp_included): Do the hash lookup here.
6148 (_cpp_find_include_file): Rewrite.
6149 (cpp_read_file): Put the "fake" hash entry into the hash
6150 table. Honor the control_macro, if it turns out we've seen
6151 the file before. Don't push the buffer here.
6152 (_cpp_read_include_file): Push the buffer here.
6153 (OMODES): New macro. Use it whenever we call open(2).
6155 * cpphash.c: Include hashtab.h.
6156 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6157 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6158 _cpp_lookup_slot): New functions.
6159 (HASHSIZE): new macro.
6160 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6161 (_cpp_lookup): Use hashtab.h routines.
6163 * cppinit.c: Include hashtab.h.
6164 (cpp_reader_init): Call _cpp_init_macro_hash and
6165 _cpp_init_include_hash. Don't allocate hashtab directly.
6166 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6167 pfile->all_include_files.
6168 (initialize_builtins): Use _cpp_make_hashnode and
6169 htab_find_slot to add hash entries.
6170 (cpp_finish): Just call _cpp_dump_macro_hash.
6171 * cpplib.c: Include hashtab.h.
6172 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6173 create hash entries.
6174 (do_pragma_poison, do_assert): Likewise.
6175 (do_include): Don't push the buffer here. Don't increment
6176 system_include_depth unless _cpp_read_include_file succeeds.
6177 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6179 (do_pragma_implementation): Use alloca to create copy.
6181 * Makefile.in: Update dependencies.
6183 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6185 * cppinit.c (cl_directive_handler): More K&R fixing.
6187 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6189 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6191 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6193 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6195 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6196 Change from char[] to macros.
6198 2000-03-12 Neil Booth <NeilB@earthling.net>
6200 * cppinit.c (cpp_start_read): Update indirect function
6203 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6205 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6208 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6209 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6211 2000-03-11 Neil Booth <NeilB@earthling.net>
6213 * cppinit.c (struct pending option): Replace undef with a
6214 pointer to a directive handling routine.
6215 (struct cpp_pending): Replace separate assert_ and define_
6216 lists with one directive_ list.
6217 (new_pending_define): Rename new_pending_directive. Extra
6218 argument is the directive's handling routine.
6219 (handle_option): Update to use new_pending_directive.
6221 2000-03-11 Neil Booth <NeilB@earthling.net>
6223 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6224 remap_filename, _cpp_read_include_file, actual_directory,
6225 hack_vms_include_specification): Replace bcopy(), index() etc
6226 calls. Add casts to some allocations. Make some variables
6227 pointers to const [unsigned] char.
6228 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6229 collect_formal_parameters): Similarly.
6230 * cppinit.c (struct pending_option, append_include_chain,
6231 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6232 cpp_start_read, new_pending_define, handle_option): Similarly.
6233 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6234 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6235 do_pragma_implementation, detect_if_not_defined,
6236 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6237 do_assert, do_unassert): Similarly.
6238 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6239 function prototypes.
6240 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6242 2000-03-10 Richard Henderson <rth@cygnus.com>
6244 * builtins.c (expand_builtin_strlen): Revert last change.
6245 Use emit_insn_before if we're at the beginning of a sequence.
6247 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6249 * builtins.c (expand_builtin_strlen): Make sure that we have something
6250 at the beginning of the sequence.
6252 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6255 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6257 2000-03-10 Richard Henderson <rth@cygnus.com>
6259 * except.c (can_throw): Use INTVAL on a CONST_INT.
6260 (reachable_handlers): Likewise.
6261 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6263 2000-03-10 Andreas Jaeger <aj@suse.de>
6265 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6266 MD_STARTFILE_PREFIX since those are not needed on linux.
6267 (ASM_FILE_START): New, from mips/gnu.h.
6269 2000-03-09 Richard Henderson <rth@cygnus.com>
6270 Alex Samuel <samuel@codesourcery.com> and others
6272 * Makefile.in (ssa.o): New rule.
6274 (STAGESTUFF): Add *.ssa and *.ussa.
6275 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6276 * rtl.def (PHI): New RTL expression.
6277 * rtl.h (clear_log_links): New declaration.
6278 (convert_to_ssa): Likewise.
6279 (convert_from_ssa): Likewise.
6280 * flow.c (split_edge): If the entry node falls through to the
6281 split edge's source block, split the entry edge.
6282 (clear_log_links): New function.
6283 * toplev.c (ssa_dump): New variable.
6284 (flag_ssa): Likewise.
6285 (f_options): Add "ssa".
6286 (compile_file): Create SSA dump files.
6287 (rest_of_compilation): Go to and from SSA if enabled.
6288 (decide_d_option): Handle -de for SSA dump files.
6291 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6293 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6296 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6298 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6300 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6302 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6303 (MD_STARTFILE_PREFIX_1): New macro.
6305 2000-03-09 Robert Lipe <robertl@sco.com>
6307 * config/ia64/ia64.c: Include system.h.
6309 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6311 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6312 (init_eh_nesting_info): Likewise.
6314 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6315 (TREE_NOTHROW): Rename from TREE_RAISES.
6316 * toplev.c (rest_of_compilation): Set it.
6317 * print-tree.c (print_node): Adjust.
6318 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6319 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6320 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6321 REG_EH_REGION note as appropriate.
6322 (libfunc_nothrow): New fn.
6323 (emit_library_call, emit_library_call_value): Use it.
6324 (expand_call): Check TREE_NOTHROW.
6326 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6327 DECL_ASSEMBLER_NAME.
6329 2000-03-09 Andreas Jaeger <aj@suse.de>
6331 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6332 (TARGET_MEM_FUNCTIONS): Define.
6334 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6336 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6338 * except.c (can_throw): See through a SEQUENCE.
6339 (nothrow_function_p): New fn.
6340 * except.h: Declare it.
6341 * function.c (current_function_nothrow): New var.
6342 (prepare_function_start): Initialize it.
6343 * output.h: Declare it.
6344 * toplev.c (rest_of_compilation): Set it.
6345 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6347 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6349 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6350 match. (cpp_compare_defs): Count the nul separator when
6351 advancing over argument names.
6353 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6355 * recog.c (preprocess_constraints): Matching constraints affect
6356 same alternative/different operand, not same operand/different
6359 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6360 register and a constant specially.
6362 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6364 * libgcc2.h: New file.
6365 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6367 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6369 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6370 * configure: Regenerate.
6373 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6375 * Makefile.in (LIBCPP_DEPS): New macro.
6376 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6378 * cpperror.c: Include cpphash.h.
6379 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6381 (lex): Don't use CPP_WARN_UNDEF.
6382 (_cpp_parse_expr): Return an int, the truth value.
6383 * cppfiles.c: Include cpphash.h.
6384 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6385 * cppinit.c (include_defaults_array): Disentangle.
6386 (cpp_cleanup): Don't free the if stack here.
6387 (cpp_finish): Pop off all buffers, not just one.
6388 * cpplib.c (eval_if_expr): Return int.
6389 (do_xifdef): Rename do_ifdef.
6390 (handle_directive): Don't use CPP_PREPROCESSED.
6391 (cpp_get_token): Don't use CPP_C89.
6392 * fix-header.c: Don't use CPP_OPTIONS.
6394 * cpplib.h: Move U_CHAR, enum node_type, struct
6395 file_name_list, struct ihash, is_idchar, is_idstart,
6396 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6397 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6398 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6399 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6400 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6401 of _cpp_simplify_pathname, _cpp_find_include_file,
6402 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6403 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6405 Change all uses of U_CHAR to be unsigned char instead.
6406 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6408 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6410 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6411 (dwarf2out_begin_prologue): Set it.
6412 (output_call_frame_info): Don't emit EH unwind info for leaves.
6414 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6415 can occur outside of an EH region.
6416 * except.c: Correct comments about rethrow behavior.
6417 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6419 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6421 * flow.c (make_edges): Always call make_eh_edge for calls.
6423 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6425 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6426 (struct cpp_buffer): Remove fname and underflow fields.
6427 (struct cpp_reader): Remove get_token field.
6428 (struct include_hash): Rename to struct ihash. Add typedef to
6430 (struct if_stack): Remove fname field.
6431 (IF_STACK_FRAME): Rename to IF_STACK.
6433 * cpperror.c (print_containing_files): Trust that there are no
6434 macro buffers below the top file buffer.
6435 * cppfiles.c: Replace all references to 'struct include_hash'
6436 with 'IHASH'. Rename initialize_input_buffer to
6437 init_input_buffer. Don't set or reference cpp_buffer->fname,
6438 use buffer->ihash->name instead.
6439 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6440 not CPP_NULL_BUFFER.
6441 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6442 IF_STACK_FRAME, IHASH not struct include_hash.
6443 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6444 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6445 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6446 references to cpp_buffer->fname (delete entirely, or use
6447 ->ihash->name instead) and IF_STACK->fname.
6448 (cpp_push_buffer): Don't set new->underflow.
6449 (do_include): Use cpp_file_buffer.
6451 * cpphash.c (collect_formal_parameters): Remove duplicate
6452 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6453 used as a macro argument name. Don't append "..." to namebuf
6454 for varargs macros. After we're done scanning, go through
6455 namebuf and make it NUL separated, not comma separated.
6456 (_cpp_compare_defs): Remove register tag from variables.
6457 Expect defn->argnames to be NUL separated.
6458 (_cpp_dump_definition): Expect defn->argnames to be NUL
6459 separated and in forward order.
6460 * cpphash.h: Update documentation of argnames field.
6462 2000-03-08 Richard Henderson <rth@cygnus.com>
6464 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6465 to fail. Don't pre-expand the source operand.
6467 * i386.md (strlensi): Initialize eoschar and align before use.
6469 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6471 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6472 CONSTRUCTOR element.
6474 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6476 * mips.c (mips_expand_prologue): If the last
6477 named argument is the vararg marker "va_list", treat it as
6478 an unnamed argument.
6480 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6482 * dbxout.c (dbxout_parms): When correcting for promoted
6483 big-endian parameters, use the mode of the DECL_RTL rather
6484 than UNITS_PER_WORD.
6486 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6488 * c-common.h (make_fname_decl): Declare.
6489 * c-common.c (make_fname_decl): Define.
6490 (declare_hidden_char_array): Remove.
6491 (declare_function_name): Use make_fname_decl.
6492 * c-decl.c (c_make_fname_decl): New function.
6493 (init_decl_processing): Set make_fname_decl.
6495 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6497 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6499 2000-03-07 Philipp Thomas <pthomas@suse.de>
6501 * po/POTFILES.in: Remove cppalloc.c from file list.
6503 2000-03-07 Steve Chamberlain <sac@pobox.com>
6505 * pj.c (pj_expand_prologue): current_function->args_info is
6506 now current_function_args_info.
6508 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6509 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6510 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6512 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6514 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6515 output as hexadecimal rather than the default octal.
6517 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6519 * cpphash.c (special_symbol): Fix thinko in previous commit.
6521 2000-03-07 Neil Booth <NeilB@earthling.net>
6523 * cppexp.c (struct operation, left_shift, right_shift,
6524 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6525 "int"s to "unsigned int"s.
6526 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6528 * cpplib.h: Update for above.
6529 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6530 returned from allocations.
6532 * cppinit.c (opt_comp, parse_options): New functions.
6533 (handle_option): Use parse_option to parse a single command
6534 line option, that possibly takes an argument.
6535 (cpp_handle_options): Sort the array of command line options on
6536 first invocation (non-ASCII hosts only).
6537 (print_help): Update.
6539 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6541 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6542 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6544 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6546 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6548 * cpperror.c (cpp_print_containing_files,
6549 cpp_print_file_and_line, v_cpp_message): Rename to
6550 print_containing_files, print_file_and_line, and v_message.
6551 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6552 to _cpp_parse_expr, parse_escape, and lex.
6553 (parse_charconst): Remove broken multibyte support.
6554 * cppfiles.c (include_hash): Make static.
6555 (cpp_included): New function.
6556 (merge_include_chains, find_include_file, finclude,
6557 simplify_pathname): Rename to _cpp_merge_include_chains,
6558 _cpp_find_include_file, _cpp_read_include_file, and
6559 _cpp_simplify_pathname.
6560 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6561 cpp_install, create_definition, macroexpand, compare_defs,
6562 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6563 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6564 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6565 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6567 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6569 * cpphash.h: Update prototypes.
6570 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6572 2000-03-07 Andrew Haley <aph@cygnus.com>
6574 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6575 PTRDIFF_TYPE should be based solely on Pmode.
6578 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6580 * rtl.h (rtunion_def): Constify member `rtstr'.
6581 (emit_line_note_after, emit_line_note, emit_line_note_force,
6582 emit_note, decode_asm_operands): Constify.
6584 * cse.c (canon_hash): Likewise.
6586 * dbxout.c (dbxout_block): Likewise.
6588 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6589 v_warning_for_asm): Likewise.
6591 * dwarfout.c (function_start_label): Likewise.
6593 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6594 emit_line_note_force): Likewise.
6596 * final.c (last_filename, asm_insn_count, final_scan_insn,
6597 output_source_line): Likewise.
6599 * function.h (struct emit_status): Likewise.
6601 * gcse.c (hash_expr_1): Likewise.
6603 * genattr.c (gen_attr, main): Likewise.
6605 * genattrtab.c (struct function_unit, current_alternative_string,
6606 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6607 attr_numeral, check_attr_test, check_attr_value,
6608 convert_set_attr_alternative, convert_set_attr,
6609 compute_alternative_mask, simplify_by_exploding, gen_attr,
6610 gen_unit): Likewise.
6612 * genflags.c (gen_insn): Likewise.
6614 * gengenrtl.c (type_from_format): Likewise.
6616 * genopinit.c (gen_insn): Likewise.
6618 * genoutput.c (n_occurrences, process_template, process_template):
6621 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6624 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6627 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6628 ggc_set_mark, ggc_get_size): Likewise.
6630 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6632 * optabs.c (init_one_libfunc): Likewise.
6634 * output.h (assemble_start_function): Likewise.
6636 * recog.c (decode_asm_operands): Likewise.
6638 * toplev.c (rest_of_compilation): Likewise.
6640 * tree.h (emit_line_note_after, emit_line_note,
6641 emit_line_note_force): Likewise.
6643 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6644 asm_emit_uninitialised, assemble_start_function,
6645 assemble_variable, const_hash, compare_constant_1,
6646 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6648 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6650 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6652 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6654 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6656 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6657 arm_dllimport_name_p): Likewise.
6659 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6662 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6664 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6666 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6667 arm_mark_dllexport, arm_mark_dllimport,
6668 arm_pe_encode_section_info): Likewise.
6670 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6671 ASM_FINISH_DECLARE_OBJECT): Likewise.
6673 * arm/thumb.c (thumb_function_prologue): Likewise.
6675 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6677 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6679 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6681 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6683 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6685 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6687 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6688 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6690 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6692 * i386/i386.c (asm_output_function_prefix): Likewise.
6694 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6696 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6698 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6700 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6701 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6702 ASM_OUTPUT_SECTION_NAME): Likewise.
6704 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6706 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6708 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6710 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6712 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6714 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6716 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6718 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6720 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6722 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6724 * mips/mips.md (movdi, movsi): Likewise.
6726 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6728 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6730 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6732 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6733 ASM_OUTPUT_ASCII): Likewise.
6735 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6736 output_mi_thunk, output_toc): Likewise.
6738 * rs6000/rs6000.md (movsi): Likewise.
6740 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6742 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6744 * v850/v850.c (print_operand, print_operand_address,
6745 v850_encode_data_area): Likewise.
6747 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6749 * config/mips/mips.md (zero_extendsidi2): Always force operand
6750 one to memory for mips16.
6752 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6754 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6755 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6756 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6757 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6758 (min_precision): Result is unsigned.
6759 (add_double, neg_double, mul_double): Low word is unsigned.
6760 (lshift_double, rshift_double, lrotate_double): Likewise.
6761 (rrotate_double, div_and_round_double): Likewise.
6762 (tree_floor_log2, compare_tree_int): New functions.
6763 (preserve_rtl_expr_temps): New declaration.
6764 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6765 (decl_attributes): Use tree_log2 to find alignment.
6766 Check for TREE_INT_CST_HIGH for format args.
6767 (min_precision): Now unsigned.
6768 Use tree_floor_log2.
6769 (truthvalue_conversion): Delete long-disabled code.
6770 * c-decl.c (finish_struct): Clean up tests on field width.
6771 (finish_function): Use compare_tree_int.
6772 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6773 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6774 (default_conversion, digest_init): Use compare_tree_int.
6775 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6776 Fix type errors in forming masks.
6777 * calls.c (initialize_argument_information): Use compare_tree_int.
6778 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6779 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6780 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6781 (store_field): Use compare_tree_int.
6782 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6783 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6784 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6785 (do_store_flag): Use compare_tree_int.
6786 * fold-const.c (encode, decode): Low part is always unsigned.
6787 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6788 (lshift_double, rshift_double, lrotate_double): Likewise.
6789 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6790 (fold_convert): Use compare_tree_int.
6791 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6792 (invert_truthvalue, case INTEGER_CST): Likewise.
6793 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6794 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6795 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6796 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6798 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6799 (expand_end_case): Use compare_tree_int.
6800 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6801 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6802 (layout_decl): Likewise.
6803 (layout_record, layout_union): Make sizes unsigned.
6804 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6805 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6806 * tree.c (struct type_hash): hashcode is unsigned.
6807 (build_type_attribute_variant, type_hash_list): Likewise.
6808 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6809 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6810 (build_complex_type): Likewise.
6811 (real_value_from_int_cst): Remove unneeded casts.
6812 (integer_all_onesp): Add casts.
6813 (tree_floor_log2, compare_tree_int): New functions.
6814 (build_index_type): Use tree_int_cst_sgn.
6815 * varasm.c (assemble_variable): Use compare_tree_int.
6817 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6819 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6821 * varasm.c (make_decl_rtl): Don't add a number to members of
6823 (make_function_rtl): Likewise.
6825 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6827 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6828 patch from 2000-01-28.
6830 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6832 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6833 filled with an insn from the jump target.
6835 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6837 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6838 (c4x_external_ref): Likewise.
6839 * config/c4x/c4x.c (struct name_list): Likewise.
6841 1999-12-16 Ben Collins <bcollins@debian.org>
6843 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6844 argument to genmultilib.
6845 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6846 the contents into the multilib.h header.
6847 * gcc.c: Declare multilib_exclusions for the specs file.
6848 (set_multilib_dir): Use it.
6849 (print_multilib_info): Likewise.
6850 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6851 to pass to genmultilib.
6853 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6855 * builtins.c (built_in_class_names, built_in_names): Constify a
6858 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6860 (_mcleanup): Ensure value matches format specifier in sprintf.
6862 * cpphash.c (special_symbol): Don't needlessly cast away
6865 * cppinit.c (base_name): Delete unused prototype.
6867 * mkdeps.c (deps_init): Make definition K&R safe.
6869 * tree.h (built_in_class_names, built_in_names): Constify a
6872 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6874 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6875 floating point instructions for epilogue delay.
6877 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6878 to gas if it supports .register pseudo.
6880 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6881 LONG_DOUBLE_TYPE_SIZE if not defined.
6882 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6883 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6885 * gengenrtl.c: Likewise.
6886 * print-rtl.c: Likewise.
6888 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6889 MASK_LONG_DOUBLE_128.
6890 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6891 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6892 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6893 (SUBTARGET_SWITCHES): Define.
6894 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6895 with -mlong-double-128.
6896 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6897 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6898 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6899 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6900 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6901 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6902 with -mlong-double-128.
6903 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6904 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6905 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6906 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6907 TARGET_LONG_DOUBLE_128): Define.
6908 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6909 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6910 long double on TARGET_ARCH64.
6912 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6914 * function.c (free_temps_for_rtl_expr): Don't free slots
6915 that have been pushed into a higher level.
6918 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6920 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6922 * basic-block.h (ALLOCA_REG_SET): Remove.
6923 (INITIALIZE_REG_SET): New macro.
6924 * flow.c (update_life_info): Use it.
6925 (calculate_global_regs_live): Likewise.
6926 (propagate_block): Likewise.
6927 * global.c (build_insn_chain): Likewise.
6928 * haifa-sched.c (schedule_region): Likewise.
6930 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6932 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6933 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6934 (DWARF_ARANGES_PAD_SIZE): New define.
6935 (output_aranges): Use it to pad the address range header.
6936 (DWARF_ROUND): Fix for non power of 2 rounding.
6938 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6940 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6942 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6944 * tree.def (RTL_EXPR): Update documentation.
6945 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6946 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6947 * function.c (preserve_rtl_expr_temp): New function.
6948 (preserve_rtl_expr_temps): Likewise.
6949 (preserve_rtl_expr_result): Use it.
6952 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6954 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6956 * regmove.c (copy_src_to_dest) Do not create src->dest move
6957 for unchanging destination.
6959 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6961 * function.h (struct sequence_stack): Remove rtl_expr.
6962 (struct emit_staus): Likewise.
6963 (seq_rtl_expr): Remove.
6964 * tree.h (free_temps_for_rtl_expr): Don't declare.
6965 (start_sequence_for_rtl_expr): Likewise.
6966 * rtl.h (preserve_rtl_expr_result): Likewise.
6967 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6968 (start_sequence_for_rtl_expr): Remove.
6969 (push_topmost_sequence): Don't save sequence_rtl_expr.
6970 (pop_topmost_sequence): Remove comment about not restoring it.
6971 (end_sequence): Don't set seq_rtl_expr.
6972 (init_emit): Don't initialize it.
6973 (mark_sequence_stack): Don't mark it.
6974 (mark_emit_status): Likewise.
6975 * except.c (protect_with_terminate): Use
6976 start_sequence_for_rtl_expr, not start_sequence.
6977 * expr.c (expand_expr, case RTL_EXPR): Don't call
6978 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6979 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6980 (preserve_rtl_expr_result): Remove.
6981 (free_temps_for_rtl_expr): Likewise.
6982 (pop_temp_slots): Likewise.
6983 (mark_temp_slot): Don't mark the rtl_expr.
6984 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6985 start_sequence_for_rtl_expr.
6987 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6989 * mkdeps.c, mkdeps.h: New files.
6990 * po/POTFILES.in: Add them.
6991 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6992 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6993 (mkdeps.o): New target.
6995 * cppfiles.c: Delete deps_output.
6996 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6997 OBJECT_SUFFIX, and base_name.
6998 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7000 (initialize_dependency_output): Use deps_init,
7001 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7002 all the unnecessary string bashing.
7003 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7005 * cpplib.c (do_include): Use deps_add_dep.
7006 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7007 deps_allocated_size, deps_size, deps_column members with
7008 single pointer to a struct deps. Delete prototype of
7011 * cppinit.c: Fix thinko in previous patch.
7013 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7015 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7016 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7017 (mode_for_size_tree): New function.
7018 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7019 * tree.h (mode_for_size_tree): New declaration.
7021 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7023 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7025 * stmt.c (is_body_block): Move...
7026 * dwarfout.c, dwarf2out.c: ...from here.
7027 * tree.h: Declare it.
7028 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7029 * final.c (final_start_function): Do call remove_unnecessary_notes
7032 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7034 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7036 * cpplib.h (_dollar_ok): New macro.
7037 (is_idchar, is_idstart): Use it.
7038 (IStable): Rename to _cpp_IStable. Declare it const if
7039 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7040 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7041 is_space): Update for renamed IStable.
7043 * cppinit.c: Delete all references to FAKE_CONST and CAT
7044 macros. Define init_IStable as empty macro if gcc >=2.7 or
7045 C99. Change TABLE() to ISTABLE and hardcode name of table.
7046 (cpp_start_read): Don't change the IStable based on
7049 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7050 changed. Handle '$' for char1 correctly.
7051 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7053 * cppexp.c (tokentab2): Make const.
7054 (cpp_lex): Make toktab const.
7055 * cppinit.c (include_defaults_array): Make const.
7056 (initialize_standard_includes): Make default_include const.
7058 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7060 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7061 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7062 (gen_decl_die): Likewise.
7063 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7064 (output_decl): Likewise.
7066 * varasm.c (make_function_rtl): If we change the name used in the
7067 rtl, update DECL_ASSEMBLER_NAME accordingly.
7068 (make_decl_rtl): Likewise.
7070 * toplev.c (rest_of_compilation): Tweak formatting.
7072 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7073 remove_unnecessary_notes.
7074 (debug_ignore_block): New fn.
7075 * toplev.h: Declare it.
7076 * emit-rtl.c (remove_unncessary_notes): Call it.
7077 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7078 * dwarf2out.h: Declare it.
7079 * final.c (final_start_function): Don't call remove_unnecessary_notes
7080 if we did insn scheduling.
7082 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7084 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7085 * cpplib.h: Delete SET_CPP_PEDANTIC.
7087 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7089 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7090 result is a RECORD_TYPE.
7092 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7094 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7096 2000-03-03 Richard Henderson <rth@cygnus.com>
7098 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7099 addition over compliments over shifts.
7101 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7103 * reload1.c (reload_combine_note_use): Handle return register USEs.
7104 REG case: Handle multi-hard-register hard regs.
7106 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7108 * md.texi: Document use of '*' in insn pattern name.
7110 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7112 * calls.c (special_function_p): operator new may not be malloc-like.
7114 * gcse.c (dump_hash_table): Really fix error in last change.
7116 2000-03-02 Denis Chertykov <denisc@overta.ru>
7118 * avr.c (print_operand): Use print_operand_address instead of
7120 * avr/libgcc.S: Cleanup code.
7122 2000-03-02 Richard Henderson <rth@cygnus.com>
7124 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7126 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7128 * tree.h (TYPE_ALIGN_UNIT): New macro.
7130 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7132 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7134 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7136 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7138 (SET_CPP_PEDANTIC): New macro.
7139 * cpplib.c (do_include): Don't bother checking system_header_p.
7140 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7141 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7143 * function.h (struct expr_status): Add x_arg_space_so_far.
7144 (arg_space_so_far): New macro.
7145 * expr.c (init_expr): Initialize it.
7146 * calls.c (emit_call_1): Reset it.
7147 (compute_argument_block_size, expand_call): Use it.
7148 (expand_call, store_one_arg): Increment it.
7150 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7152 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7155 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7157 * cppfiles.c (cpp_read_file): New function.
7159 * cpphash.c (collect_expansion): Make sure to reset last_token
7160 to NORM when we hit a string. Handle trailing whitespace
7161 properly when the expansion is empty.
7162 (create_definition): Disable line commands while parsing the
7164 (dump_definition): If pfile->lineno == 0, output a line
7165 command ahead of the dump, and add a trailing newline.
7167 * cppinit.c (append_include_chain): Add fifth argument, which
7168 indicates whether or not system headers are C++ aware.
7169 (initialize_standard_includes): New function,
7170 broken out of read_and_prescan. Pass 'cxx_aware' value from
7171 the include_defaults_array on to append_include_chain.
7172 (dump_special_to_buffer): Const-ify char array.
7173 (builtin_array): Don't dump __BASE_FILE__.
7174 (cpp_start_read): Use cpp_read_file. Reorder code for
7175 clarity. Don't output line commands here for -D/-A/-U
7176 switches. Don't call deps_output for files included with
7177 -include or -imacros.
7179 * cpplib.c (do_define): Don't pay any attention to the second
7181 (cpp_expand_to_buffer): Disable line commands while scanning.
7182 (output_line_command): Work in the file buffer.
7183 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7184 Fix formatting of comments. Prototype cpp_read_file.
7186 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7188 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7189 reference the language-equivalent of sizetype.
7190 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7191 * fold-const.c (size_binop, size_diffop): Put back checks.
7192 * gcse.c (dump_hash_table): Fix minor error in last change.
7193 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7194 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7197 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7199 * calls.c (expand_call) Do not attempt to combine stack adjustments
7200 with inhibit_defer_pop set.
7202 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7204 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7205 the DECL_SIZE for a FIELD_DECL.
7207 2000-03-01 Bruce Korb <bkorb@gnu.org>
7209 * fixinc/inclhack.tpl: remove unused symlinks
7210 * fixinc/README: GCC Maintainer info
7211 * fixinc/inclhack.sh: regen
7212 * fixinc/fixincl.sh: regen
7214 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7216 * cpphash.c (collect_expansion): Trim trailing white space
7217 from macro definitions, but don't go past the last insertion
7220 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7222 * i386.md (mulqi3): New pattern.
7224 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7226 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7228 (struct cpp_reader): Add parsing_if_directive and
7229 parsing_define_directive flags.
7230 (struct cpp_options): Remove output_conditionals flag.
7231 (check_macro_name): Delete prototype.
7233 * cpphash.h (struct macrodef): Delete.
7234 (struct reflist): Separate from struct definition.
7235 (struct definition): Remove unused fields. Add column number.
7236 (create_definition): Returns a DEFINITION *. Takes a
7237 cpp_reader * and an int.
7239 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7240 (PEEKC): Copy defn from cpplib.c.
7241 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7243 (struct arglist): Simplify.
7244 (collect_expansion): Rewrite. Get tokens by calling
7245 cpp_get_token. Add more error checking.
7246 (collect_formal_parameters): New function, broken out of
7247 create_definition and reworked to use get_directive_token.
7248 (create_definition): All real work is now in collect_expansion
7249 and collect_formal_parameters. do_define handles finding the
7250 macro name. Return a DEFINITION, not a MACRODEF.
7251 (macroexpand): Replace bcopy with memcpy throughout. Replace
7252 character-at-a-time copy loop with memcpy and pointer increments.
7253 (compare-defs): d1->argnames / d2->argnames might be null.
7255 * cpplib.c (copy_rest_of_line): Delete function.
7256 (skip_rest_of_line): Do all the work ourselves.
7257 (skip_string): New function.
7258 (parse_string): Use skip_string.
7259 (get_macro_name): New function.
7260 (check_macro_name): Delete.
7261 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7262 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7263 (handle_directive): ICE if we're called on a macro buffer.
7264 (do_define): Determine macro name and type (funlike/objlike)
7265 here. Expunge all uses of MACRODEF.
7266 (cpp_push_buffer): Set line_base to NULL.
7267 (do_undef, read_line_number): Don't worry about getting a POP token.
7268 (eval_if_expression): Set/reset parsing_if_directive around
7269 cpp_parse_expr. Don't clear only_seen_white.
7270 (skip_if_group): Remove output_conditionals logic. Use
7272 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7273 tokens under appropriate conditions.
7274 (cpp_unassert): Call do_unassert not do_assert. Oops.
7276 * cppexp.c (parse_defined): New function, break out of
7278 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7279 ourselves, with cpp_defined.
7280 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7282 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7283 * gcc.dg/strpaste-2.c: New.
7285 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7287 * fold-const.c (size_binop): Don't asert inputs are the same and
7288 have TYPE_IS_SIZETYPE set.
7289 (size_diffop): Likewise.
7291 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7293 * dwarfout.c (output_block): Output abstract blocks even if they
7294 don't have TREE_ASM_WRITTEN set.
7296 * calls.c (emit_library_call): Check for null REG.
7298 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7300 * c-decl.c (current_function_decl): Move to toplev.c.
7301 (init_decl_processing): Don't add current_function_decl as a ggc
7303 * dbxout.c (dbxout_symbol): Change return type to int.
7304 (dbxout_symbol_location, dbxout_syms): Likewise.
7305 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7306 any locals. Use current_function_func_begin_label if set.
7307 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7308 * dwarf2out.c (dwarf2out_begin_prologue): Set
7309 current_function_func_begin_label.
7310 * final.c (final_start_function): Reset it.
7311 * toplev.c (current_function_decl): Define it here.
7312 (current_function_func_begin_label): New variable.
7313 (main): Add both as ggc roots.
7314 * tree.h (current_function_func_begin_label): Declare.
7316 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7318 * gcse.c: Cleanups throughout: mostly white-space, but also
7319 some minor rearrangement of code.
7321 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7323 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7324 returns a PARALLEL. Use emit_group_load and use_group_regs
7326 (emit_library_call_value): Similarly.
7328 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7329 * pa/quadlib.asm: Remove.
7330 * pa/quadlib.c: New file.
7332 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7333 * configure: Rebuilt.
7335 2000-02-29 Philip Blundell <pb@futuretv.com>
7337 * config/arm/conix-elf.h: New file.
7338 * configure.in (arm*-*-conix*): New configuration.
7339 * configure: Regenerate.
7341 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7343 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7344 don't have TREE_ASM_WRITTEN set.
7346 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7348 * Eliminate DECL_FIELD_SIZE.
7349 * builtins.c (built_in_class_names, built_in_names): New variables.
7350 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7351 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7352 DECL_SIZE, not DECL_FIELD_SIZE.
7353 * print-tree.c (print_node): Remove code that prints extra blank
7354 lines in some cases.
7355 Properly handle inline and builtin function cases.
7356 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7357 * tree.h (built_in_class_named, built_in_names): New declarations.
7358 (union tree_decl): Rename internal unions to u1 and u2 and change
7359 some of their components.
7360 Add new field built_in_class.
7361 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7362 Reflect above changes.
7363 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7364 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7365 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7366 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7368 2000-02-28 Dmitri Makarov <dim@windriver.com>
7370 * extend.texi: Document ARM's support for long/short calls.
7372 * invoke.texi: Document ARM's -mlong-calls command line switch.
7374 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7375 (arm_encode_call_attribute): Add prototype.
7376 (arm_set_default_type_attribute): Add prototype.
7377 (arm_strip_name_encoding): Add prototype.
7379 * config/arm/arm.c (arm_init_cumulative_args): replace
7380 initialisation og 'long_calls' field with initialisation of
7381 'call_cookie' field.
7382 (enum arm_pragma_enum): New enum.
7383 (arm_pragma_long_calls): New static variable.
7384 (arm_process_pragma): Also process "#pragma long_calls_off".
7385 (arm_valid_type_attribute_p): Accept short_call attribute.
7386 (arm_comp_type_attributes): Check long/short call attributes.
7387 (arm_encode_call_attribute): New function: Encode long_call
7388 or short_call attribute in function name.
7389 (arm_set_default_type_attributes): New function: Assign
7390 default attributes to newly defined type.
7391 (current_file_function_operand): New function: Return true if
7392 the symbol is a function which has already been compiled.
7393 (arm_is_longcall_p): New function: Return true if the
7394 indicated function should be called via a long call.
7395 (arm_get_strip_length): New function. Returns number of
7396 prefix characters to be stripped from a function's name.
7397 (arm_strip_name_encoding): New function. Strip prefix characters
7398 from a function's name.
7400 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7402 (SHORT_CALL_FAG_CHAR): Define.
7403 (LONG_CALL_FAG_CHAR): Define.
7404 (ENCODED_SHORT_CALL_ATTR_P): Define.
7405 (ENCODED_LONG_CALL_ATTR_P): Define.
7406 (ARM_NAME_ENCODING_LENGTHS): Define.
7407 (STRIP_NAME_ENCODING): Define.
7408 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7409 (ARM_ENCODE_CALL_TYPE): Define.
7410 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7411 (ARM_DECLARE_FUNCTION_SIZE): Define.
7412 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7414 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7415 if a long call is needed.
7416 (call_value): Ditto.
7417 (call_symbol): Ditto.
7419 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7420 ARM_DECLARE_FUNCTION_SIZE.
7422 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7423 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7424 (ARM_STRIP_NAME_ENCODING): Undefine.
7425 (STRIP_NAME_ENCODING): Undefine.
7426 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7427 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7428 (ASM_OUTPUT_COMMON): Ditto.
7429 (ASM_DECLARE_OBJECT_NAME): Ditto.
7431 * config/arm/pe.c (arm_dllexport_name_p): Check for
7433 (arm_dllimport_name_p): Ditto.
7434 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7435 (arm_mark_dllimport): Ditto.
7437 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7439 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7441 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7443 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7445 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7447 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7448 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7449 NO_BUILTIN_WCHAR_TYPE is not defined.
7450 (CPP_WCHAR_TYPE): Delete.
7451 * cccp.c (main): Don't change wchar_type if cplusplus.
7452 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7454 2000-02-28 Nick Clifton <nickc@cygnus.com>
7456 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7458 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7460 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7461 (ASM_WEAKEN_LABEL): Define.
7463 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7465 * expr.c (store_constructor): Do not emit USE.
7466 * rtl.h (stupid_life_analysis): Remove.
7468 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7470 * function.c (number_blocks): Reset next_block_index based on
7471 what debugging format is used, not what is defined.
7473 * lcm.c: Minor reformatting throughout.
7474 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7476 * toplev.c (rest_of_compilation): Account for time in
7477 optimize_mode_switching.
7479 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7480 if only marking labels.
7482 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7484 * calls.c (expand_call): Attempt to combine stack adjustments with
7485 pending stack adjustments.
7487 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7489 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7490 to the end of the function.
7492 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7494 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7496 * final.c (next_block_index): Remove.
7497 (max_block_depth): Likewise.
7498 (pending_blocks): Likewise.
7499 (init_final): Don't initialize them.
7500 (final_start_function): Don't set next_block_index. Set up
7502 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7503 * function.h (number_blocks): New function.
7504 * function.c (get_block_vector): New function.
7505 (identify_blocks): Use it.
7506 (reorder_blocks): Set NOTE_BLOCK.
7507 (number_blocks): New function.
7508 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7509 * tree.h (BLOCK_NUMBER): New macro.
7510 (tree_block): Add block_num field.
7511 * dbxout.c (next_block_number): Remove.
7512 (dbxout_init): Don't set it.
7513 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7514 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7516 * toplev.c (rest_of_compilation): Always call
7517 find_loop_tree_blocks. Fix indentation.
7518 * dwarf2out.c (next_block_number): Remove.
7519 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7520 to determine block numbers.
7521 (gen_inlined_subroutine_die): Likewise.
7522 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7523 (decls_for_scope): Don't increment next_block_number.
7524 * dwarfout.c (next_block_number): Remove.
7525 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7526 to determine block numbers.
7527 (output_inlined_subroutine_die): Likewise.
7528 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7529 (output_decls_for_scope): Don't increment next_block_number.
7530 * sdbout.c (next_block_number): Remove.
7531 (sdbout_block): Use BLOCK_NUMBER.
7532 (sdbout_begin_block): Simplify.
7533 * xcoffout.c (next_block_number): Remove.
7534 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7535 (xcoffout_begin_block): Don't set next_block_number.
7536 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7539 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7541 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7542 (expand_builtin_strcpy): Pass correct type to size_binop.
7543 (expand_builtin_strcmp): Likewise.
7544 Clean up conditional structure.
7545 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7546 (complete_array_type): Don't use size_binop for MAXINDEX.
7547 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7548 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7549 (c_alignof): Use size_one_node.
7550 (build_unary_op): Pass arg of proper type to size_binop.
7551 (really_start_incremental_init, push_init_level): Use sizetype for
7552 constructor{,_bit,_unfilled}_index.
7553 (pop_init_label, output_init_element): Likewise.
7554 (output_pending_init_elements, process_init_element): Likewise.
7555 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7556 * expr.c (store_expr): Use size_int.
7557 (store_constructor): Use proper types for size_binop args.
7558 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7559 (expand_expr_unaligned): Likewise.
7560 (string_contant): Return object of sizetype.
7561 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7562 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7563 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7564 * fold-const.c (int_const_binop): Refine when size_int is called.
7565 (fold_convert): Likewise.
7566 (size_int_wide): Rework to take KIND as arg, only take low order
7567 bits, handle new sizetype_tab datatype, and chain entries in
7569 (size_int_type_wide): New function.
7570 (size_binop): Validate types of arguments.
7571 (ssize_binop): Deleted.
7572 (size_diffop): New function.
7573 (extract_muldiv): Only fold division into multiplication for sizetypes.
7574 * function.c (assign_parms): Use size_diffop and make sure
7575 VAR field is of ssizetype; also pass proper type to size_binop.
7576 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7577 (round_down): Deleted from here.
7578 * store-layout.c (sizetype_tab): Now an array.
7579 (sizetype_set, early_root_list): New variables.
7580 (variable_size): Use size_one_node.
7581 (round_up): Pass proper type to size_binop.
7582 (round_down): Moved to here and corrected as above.
7583 (layout_record): Pass proper arg types to size_binop.
7584 (layout_type): Likewise.
7585 If sizetype_set is zero, record the type just laid out.
7586 (make_unsigned_type): Don't call set_sizetype;
7587 (make_signed_type): Likewise; also, call fixup_signed_type.
7588 (initialize_sizetypes): New function.
7589 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7590 set name of bitsizetype to "bit_size_type".
7591 Fix up type of sizes of all types made before call.
7592 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7593 * tree.c (fix_sizetype): Deleted.
7594 (build_common_tree_nodes): Call initialize_sizetypes.
7595 (build_common_tree_nodes_2): Don't call fix_sizetype.
7596 * tree.h (TYPE_IS_SIZETYPE): New macro.
7597 (initialize_sizetype): New declaration.
7598 (enum size_type_kind): New type.
7599 (struct sizetype_tab): Deleted.
7600 (sizetype_tab): Now array; adjust sizetype macros.
7601 (size_diffop, size_int_type_wide): New functions.
7602 (size_int_wide): Change number of args and type; access macros changed.
7603 (ssize_int, sbitsize_int): New macros.
7604 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7605 (ROUND_TYPE_SIZE_UNIT): New macro.
7607 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7609 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7611 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7613 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7614 Mark as possibly unused.
7616 * cse.c (cse_insn): Delete dead code involving tablejump.
7617 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7619 * Makefile.in (libcpp.a): Start by deleting it.
7621 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7623 * cpplib.h (enum file_change_code): Added rename_file.
7624 * cpplib.c (do_line): If a filename is given, set file_change to
7626 (output_line_command): If file_change is rename_file, always
7627 output a # directive with the file name.
7629 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7631 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7633 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7634 when copying a PARM_DECL or RESULT_DECL.
7636 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7638 * fix-header.c (recognized_function): Also fix prototypes for
7639 functions taking "void".
7641 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7643 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7644 looking at reg_reloaded_contents.
7646 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7648 * Makefile.in (STMP_FIXINC): New toggle.
7649 (LIBGCC2_DEPS): Delete all references.
7650 (stmp-headers): Delete target. All references either deleted
7651 or changed to stmp-int-headers.
7652 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7653 (LIBCPP_OBJS): Take out cppalloc.o.
7654 (cppalloc.o): Delete target.
7655 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7656 (gen-protos, fix-header): Link with libiberty.a.
7657 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7660 * configure.in: Remove refs to strerror.
7661 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7662 * system.h: Take out strerror stanza.
7664 * cpperror.c (my_strerror): Delete function.
7665 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7666 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7667 * cppalloc.c: Delete file.
7668 * gen-protos.c: Don't provide xrealloc.
7670 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7671 xstrerror throughout.
7673 2000-02-26 Bruce Korb <bkorb@gnu.org>
7675 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7676 match for DOS headers, too.
7677 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7679 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7681 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7682 is right for most ELF targets.
7683 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7684 Let the default file use %U properly.
7685 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7688 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7691 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7693 * toplev.c (documented_lang_options): Correct spelling error.
7694 (decode_d_option, decode_f_option, main): Likewise.
7696 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7698 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7699 to tell assembler it is permitted to expand large constants.
7701 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7703 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7704 (aux_info_suffix): Use.
7705 (SAVE_SUFFIX): New macro.
7707 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7708 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7709 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7711 * invoke.texi (Running Protoize): Update documentation.
7713 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7715 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7717 2000-02-25 John Wehle (john@feith.com)
7719 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7721 2000-02-25 Anthony Green <green@cygnus.com>
7723 * toplev.c (rest_of_compilation): Rebuild jump labels if
7724 combine_instructions has created a new direct jump.
7725 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7727 (combine_instructions): Call try_combine with new argument.
7728 Return non-null value when new direct jump instruction is created.
7729 * rtl.h: combine_instructions returns an int.
7731 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7733 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7734 jump when changing a computed jump into a jump to a known
7737 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7739 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7740 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7742 * i386.md (define_expand "clrstrsi"): Fix typo.
7744 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7746 * rtl.texi: Fix typo.
7748 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7750 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7751 UNITS_PER_WORD. Change caller initial_elimination_offset.
7752 (rounded_frame_size): Take into account that argument pushed has
7753 changed. Fix TARGET_ALIGN_DOUBLE problem.
7755 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7757 * haifa-sched.c (schedule_block): Explain the real reason
7758 we delete REG_SAVE_NOTEs on the first insn of a block.
7759 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7761 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7763 * input.h (push_srcloc): New function.
7764 (pop_srcloc): Likewise.
7765 * toplev.c (push_srcloc): Define it.
7766 (pop_srcloc): Likewise.
7768 2000-02-24 Richard Henderson <rth@cygnus.com>
7770 * flow.c (life_analysis): When collecting reg info, clear
7773 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7775 Fix bug exposed by reload.c no longer rounding the frame
7776 size to BIGGEST_ALIGNMENT:
7777 * sh.c (rounded_frame_size): New function.
7778 (sh_expand_prologue, sh_expand_epilogue): Use it.
7779 (initial_elimination_offset): Likewise.
7781 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7783 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7784 * sh-protos.h (sh_need_epilogue): Declare.
7785 * sh.c (sh_need_epilogue_known): New static variable.
7786 (sh_need_epilogue): New function.
7787 (function_epilogue): Clear need_epilogue_known.
7788 * sh.md (return): Split into expander / insn pattern.
7789 Make the expander conditional on ! sh_need_epilogue ().
7791 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7793 * machmode.h (get_mode_alignment): Declare.
7794 (GET_MODE_ALIGNMENT): Call it.
7795 * stor-layout.c (get_mode_alignment): New function. Make
7796 sure alignment is always power of 2.
7798 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7800 * i386.h: Remove useless definition of "I386" and misleading
7803 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7805 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7806 under which TREE_PERMANENT will be set.
7807 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7808 build1): Use TREE_SET_PERMANENT.
7809 * print-tree.c (print_node): Don't report value of
7810 TREE_PERMANENT if ggc_p is true.
7812 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7813 decide whether to give a type a new alias set.
7814 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7815 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7816 of value of 'obstack'.
7819 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7821 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7823 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7825 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7826 * cpplib.c (cpp_get_token): Produce them.
7827 * cppexp.c (cpp_lex): Handle them.
7829 2000-02-23 Nick Clifton <nickc@cygnus.com>
7831 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7832 comment tests on type attributes.
7834 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7836 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7837 conform to documentation.
7838 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7839 to check for special cases.
7840 * sh-protos.h (sh_loop_align): Declare.
7841 * sh.c (sh_loop_align): Define.
7843 2000-02-22 Andrew Haley <aph@cygnus.com>
7845 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7846 (SIZE_TYPE): Is 32 bits when using -mgp32.
7847 (PTRDIFF_TYPE): Ditto.
7849 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7851 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7853 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7855 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7856 BIGGEST_FIELD_ALIGNMENT a constant.
7858 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7860 * dwarf2out.c (output_line_info): Put the marker for the end of
7861 the line number info at the actual end.
7862 (gen_struct_or_union_type_die): Use decl_function_context
7863 to check for local classes.
7864 * dwarfout.c (output_type): Likewise.
7866 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7868 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7869 for arguments with a mode, but no type.
7870 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7871 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7872 * pa/long_double.h: New file.
7873 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7874 both have 128bit wide long doubles.
7875 * configure: Rebuilt.
7877 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7879 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7881 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7882 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7883 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7885 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7887 * integrate.c (compare_blocks, find_block): Likewise.
7889 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7891 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7893 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7894 expand_asm_operands): Likewise.
7896 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7898 * predict.c (estimate_probability): Added the pointer heuristic to
7899 the collection of static branch predictors.
7901 2000-02-21 Catherine Moore <clm@cygnus.com>
7903 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7904 * invoke.texi (-mfix7000): Document.
7906 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7908 * diagnostic.c (init_output_buffer): Make it possible to output at
7909 least 32 characters if we're given a too long prefix.
7911 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7913 * varasm.c (initializer_constant_valid_p): Call
7914 lang_expand_constant to simplify the constant.
7916 2000-02-20 Bruce Korb <bkorb@gnu.org>
7918 * fixinc/inclhack.def(stdio_va_list):
7919 typedef needs to be disabled.
7920 * fixinc/inclhack.sh: regen
7921 * fixinc/fixincl.x: regen
7923 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7925 * print-rtl.c (print_rtx): Don't print addresses when
7926 flag_dump_unnumbered.
7928 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7930 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7932 (sparc_va_arg, sparc_flat_output_function_prologue,
7933 sparc_flat_output_function_epilogue): Cast value to unsigned in
7935 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7937 * sparc.md: Add default case in switch.
7939 2000-02-19 Richard Henderson <rth@cygnus.com>
7941 * c-typeck.c (add_pending_init): Don't abort for multiple
7942 fields at the same offset.
7943 (pending_init_member): Test the correct member.
7945 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7947 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7949 (start_catch_handler) : Same.
7951 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7953 * Makefile.in: Have flow.o depend on $(EXPR_H)
7955 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7957 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7958 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7959 (finish_decl): Remove -Wlarger-than code from here.
7960 * flags.h (id_clash_len): Now int.
7961 (larger_than_size): Now HOST_WIDE_INT.
7962 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7963 Clean up checking to see if in table.
7964 (make_bit_field_ref): Remove extra parm to bitsize_int.
7965 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7966 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7967 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7968 and for computing size of decl.
7969 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7970 Move -Wlarger-than code to here.
7971 (layout_record): Remove extra arg to bitsize_int.
7972 Set TYPE_BINFO_SIZE_UNIT.
7973 (layout_union): Remove extra arg to bitsize_int.
7974 Use proper type for size of QUAL_UNION.
7975 (layout_type): Remove extra arg to bitsize_int.
7976 * toplev.c (id_clash_len): Now int.
7977 (larger_than_size): Now HOST_WIDE_INT.
7978 (decode_W_option): Clean up id-clash and larger-than- cases.
7979 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7980 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7981 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7982 (struct tree_decl): New field size_unit.
7983 (size_int_wide): No HIGH operand; NUMBER is now signed.
7984 (size_int_2): Deleted.
7985 (size_int, bitsize_int): Don't use it and rework args.
7986 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7988 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7990 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7992 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7994 * invoke.texi (Warning Options): Add an explanation of why
7995 you might want the -Wfloat-equal flag.
7997 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7999 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8000 * cppinit.c (new_pending_define): Add cast to avoid warning.
8001 * expmed.c (extract_bit_field): Likewise.
8002 * flow.c (enum reorder_skip_type): New type.
8003 (skip_insns_between_blcok): New it.
8004 Rework to avoid warning about possibly undefined variable.
8005 * function.c (assign_parms): Make thisparm_boundary unsigned.
8006 * genrecog.c (write_switch): Cast XWINT result to int.
8007 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8008 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8009 one for MIPS and one for Alpha.
8010 (get_tag, copy_object): Add casts to avoid warnings.
8011 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8012 * reload.c (find_reloads): Make TYPE enum reload_type.
8013 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8014 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8015 * varasm.c (compare_constant_1): Add cast to avoid warning.
8016 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8018 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8019 Cast switch operand of size to int.
8020 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8021 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8024 2000-02-18 Nick Clifton <nickc@cygnus.com>
8026 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8027 anything for an alignment of zero.
8029 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8030 anything for an alignment of zero.
8032 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8034 * gcc.texi (Bug Reporting): Refer to bugs.html.
8035 (Bug Lists): Likewise.
8036 * system.h (GCCBUGURL): New preprocessor define.
8037 * rtl.c (fancy_abort): Use it.
8038 * gcc.c (main): Likewise.
8040 2000-02-18 Richard Henderson <rth@cygnus.com>
8042 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8043 (life_analysis_1): Subsume into ...
8044 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8045 Use update_life_info for the relaxation.
8046 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8047 entry and regs_live_at_setjmp.
8048 (set_noop_p): Simplify.
8049 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8050 (record_volatile_insns): Split into ...
8051 (delete_noop_moves): ... here,
8052 (notice_stack_pointer_modification): ... here,
8053 (insn_dead_p): ... and here.
8054 (propagate_block): Don't query INSN_VOLATILE.
8055 (mark_used_regs): Mind !PROP_REG_INFO.
8056 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8057 not in life_analysis.
8059 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8061 * loop.c (canonicalize_condition): New function,
8062 broken out of get_condition.
8063 (get_condition): Use it.
8064 * expr.h (canonicalize_condition): Prototype it.
8066 * tree.h (tree_int_cst_msb): Declare.
8067 * tree.c (tree_int_cst_msb): New function.
8069 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8071 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8074 * invoke.texi (-fmessage-length=n): Document.
8076 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8078 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8080 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8082 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8085 2000-02-17 Nick Clifton <nickc@cygnus.com>
8087 * config/arm/thumb.c: Replace includes of system headers with
8088 #include "system.h".
8090 2000-02-16 Richard Henderson <rth@cygnus.com>
8092 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8093 Add crtbeginS.o and crtendS.o.
8094 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8095 (ENDFILE_SPEC): Use crtendS.o.
8096 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8098 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8099 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8101 (__dso_handle): New variable.
8102 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8103 bias to __CTOR_END__.
8105 2000-02-16 Richard Henderson <rth@cygnus.com>
8107 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8109 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8111 * longlong.h (__clz_tab): Declare as static to match definition.
8113 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8114 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8115 (XREF_FILE_NAME): Define.
8117 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8118 (EH_FRAME_SECTION_ASM_OP): Define.
8119 (IDENT_ASM_OP): Define.
8120 (TEXT_SECTION_ASM_OP): Define.
8122 (CTORS_SECTION_ASM_OP): Define.
8123 (CTOR_SECTION_FUNCTION): Use it.
8124 (DTORS_SECTION_ASM_OP): Define.
8125 (DTOR_SECTION_FUNCTION): Use it.
8127 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8129 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8132 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8133 debug_bb_n): New functions.
8134 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8135 * basic-block.h: Prototype new functions.
8137 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8139 * configure.in: Add support for avr target.
8140 * configure: Rebuilt.
8142 * invoke.texi: Add AVR invocation docs.
8143 * install.texi: Add information about AVR.
8144 * md.texi: Add AVR constraint letters description.
8145 * extend.texi: Add description for AVR specific attributes.
8147 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8149 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8151 2000-02-16 Nick Clifton <nickc@cygnus.com>
8153 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8154 (make_insn_raw): Move RTL check here.
8156 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8158 * version.c: Include gansidecl.h and version.h.
8160 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8162 * configure.in (gcc_version): When setting, narrow search to
8163 lines containing `version_string'.
8165 * Makefile.in (mainversion): Likewise.
8166 (GCC_H): New variable.
8167 (gcc.h): Delete target.
8168 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8169 (version.o): Depend on version.h.
8170 (dbxout.o): Don't depend on gcc.h.
8172 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8173 Michael Meissner <meissner@cygnus.com>
8175 * md.texi (Simple Constraints): Add item about whitespace.
8176 * genoutput.c (strip_whitespace): New.
8177 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8178 strip_whitespace for constraints.
8179 Test pointer using NULL, not 0.
8181 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8183 * cpplib.c (do_line): Pedwarn for #line > 32767.
8185 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8187 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8189 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8190 to default cpp spec.
8191 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8192 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8195 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8198 2000-02-15 Denis Chertykov <denisc@overta.ru>
8200 * configure.in: Add support for avr target.
8202 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8204 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8205 (sh_addr_diff_vec_mode): Don't declare.
8206 * sh.c (sh_addr_diff_vec_mode): Delete.
8208 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8210 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8212 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8214 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8215 (smulsi3_highpart_i): Name.
8216 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8217 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8218 (smulsi3_highpart, umulsi3_highpart): Likewise.
8220 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8221 correctly independent of endianness.
8222 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8223 confuse the optimizers.
8224 (mulsidi3+1, umulsidi3+1): New define_split.
8226 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8228 * config/sh/sh.md: Guard insn splits against illegal registers.
8229 * config/sh/sh.h: Correct comment about macros.
8231 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8232 Andrew MacLeod <amacleod@cygnus.com>
8234 * Makefile.in (lcm.o): Depend on insn-attr.h.
8235 * basic-block.h (optimize_mode_switching): Declare.
8236 * lcm.c (tm_p.h, insn-attr.h): #include.
8237 (seginfo, bb_info): New structs.
8238 (antic, transp, comp, delete, insert) : New file-scope static variables.
8239 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8240 (reg_becomes_live, optimize_mode_switching): Likewise.
8241 * tm.texi: Add description of mode switching macros.
8242 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8244 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8245 (fldi_ok, fpscr_set_from_mem): New prototypes.
8246 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8247 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8248 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8249 (sh_flag_remove_dead_before_cse): Remove declaration.
8250 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8251 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8252 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8253 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8254 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8255 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8256 (fldi_ok): New function.
8257 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8258 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8259 (emit_df_insn): Likewise.
8260 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8261 (sh_flag_remove_dead_before_cse): Delete.
8262 (get_free_reg, fpscr_set_from_mem): New functions.
8263 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8264 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8266 2000-02-15 Loren Rittle <ljrittle@acm.org>
8268 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8270 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8272 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8273 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8275 * cccp.c: Include version.h and/or don't declare `version_string'.
8276 * collect2.c: Likewise.
8277 * alpha.c: Likewise.
8278 * arm/aof.h: Likewise.
8279 * arm/coff.h: Likewise.
8280 * arm/elf.h: Likewise.
8281 * arm/pe.h: Likewise.
8282 * arm/tcoff.h: Likewise.
8283 * arm/telf.h: Likewise.
8284 * arm/tpe.h: Likewise.
8285 * arm/vxarm.h: Likewise.
8286 * convex/convex.c: Likewise.
8287 * i386/dgux.c: Likewise.
8288 * i386/sun386.h: Likewise.
8289 * m88k/m88k.c: Likewise.
8290 * mcore/mcore-pe.h: Likewise.
8291 * mips/mips.h: Likewise.
8292 * romp/romp.h: Likewise.
8293 * sh/sh.c: Likewise.
8294 * cpphash.c: Likewise.
8295 * cppinit.c: Likewise.
8296 * dwarf2out.c: Likewise.
8297 * dwarfout.c: Likewise.
8300 * mips-tfile.c: Likewise.
8301 * protoize.c: Likewise.
8302 * toplev.c: Likewise.
8305 * version.c (version_string): Constify a char*.
8307 * version.h: New file.
8309 2000-02-14 Nick Clifton <nickc@cygnus.com>
8311 * configure.in: Add mcore-elf and mcore-pe targets.
8312 * configure: Regenerate.
8314 * NEWS: Add note that MCore port has been contributed.
8316 * invoke.texi: Document command line switches for MCore port.
8317 * install.texi: Add MCore to list of supported targets.
8319 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8321 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8322 then we will need to import the frame handling functions.
8323 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8324 to import the frames themselves.
8326 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8327 Jason Eckhardt <jle@cygnus.com>
8329 * basic_block.h: Added prototype for reorder_basic_blocks.
8330 * toplev.c: Changes to add -freorder-blocks and graph dump after
8331 block reordering is done.
8332 * flow.c (reorder_block_def): New structure for use during block
8334 (REORDER_BLOCK_*): New macros to access members of above structure.
8335 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8336 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8337 functions for block reordering.
8339 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8341 * gcc.texi (Passes): Fix typo.
8342 * md.texi (Standard Names): Ditto.
8343 * tm.texi (Storage Layout): Ditto.
8345 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8347 * cpplib.c (do_define): Only free the old definition if it
8350 2000-02-13 Neil Booth <NeilB@earthling.net>
8352 * cppfiles.c (read_and_prescan): When emitting deferred
8353 newlines, test speccase[] again instead of checking each
8354 possible whitespace character in turn. When we encounter \r,
8355 look behind for \n first, then ahead.
8357 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8359 * cse.c (cse_altered): New internal flag.
8360 (cse_insn): Set it if we changed an insn.
8361 (cse_main): Clear cse_altered before each basic block.
8362 Only garbage collect if cse_altered is true afterward.
8364 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8366 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8368 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8370 * combine.c (simplify_comparison): Fix typo.
8372 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8374 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8377 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8379 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8380 previously inserted node instead of root node. Caller changed.
8382 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8384 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8386 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8388 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8389 __dereg_frame_dtor): Add prototype argument.
8391 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8393 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8395 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8397 * gthr-vxworks.h (__gthread_once): Likewise.
8399 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8401 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8403 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8404 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8405 stack pointer in functions w/o saved registers, output LEAVE more often
8406 on TARGET_USE_LEAVE machines.
8408 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8410 * config/arm/arm.c (arm_init_cumulative_args); New function:
8411 Initlaise the CUMULATIE_ARGS strcuture for a function
8413 (arm_function_arg): New function: Determine where to place a
8414 function's argument. Also handles deciding the function's
8416 (current_file_function_operand): New function: Return true if
8417 the symbol is a function which has already been compiled.
8418 (arm_is_long_call_p): New function: Return true if the
8419 indicated function should be called via a long call.
8420 (arm_valid_type_attribute_p): New function: Return true if the
8421 attribute is a valid, arm specific, attribute.
8422 (arm_comp_type_attribute): New function: Return true if the
8423 two types have compatable, arm specific, attributes.
8425 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8427 (FUNCTION_ARG): Redefine to call arm_function_arg.
8428 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8430 (INIT_CUMULATIVE_ARGS): Redefine to call
8431 arm_init_cumulative_args.
8432 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8434 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8436 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8438 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8439 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8440 (COMP_TYPE_ATTRIBUTES): Define.
8442 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8443 if a long call is needed.
8444 (call_value): Call arm_is_long_call_p to decide if a long call
8446 (call_symbol): Call arm_is_long_call_p to decide if a long call
8449 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8451 2000-02-11 Denis Chertykov <denisc@overta.ru>
8453 * README.AVR: New file with information about the avr ports.
8454 * config/avr: New directory with avr port files.
8456 2000-02-11 Andreas Jaeger <aj@suse.de>
8458 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8460 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8462 * cpphash.c: Fix formatting, update commentary.
8463 (dump_definition): Take three separate arguments instead of a
8464 MACRODEF structure argument.
8465 * cpphash.h: Update prototype of dump_definition.
8466 * cppinit.c (cpp_finish): Update call of dump_definition.
8468 * cpplib.c (do_define): Always create new hash entry with
8469 T_MACRO type. Remove redundant check for redefinition of
8470 poisoned identifier. Update call of dump_definition.
8471 (do_undef): Don't call check_macro_name. Rename sym_length to
8473 (do_error, do_warning): Don't use copy_rest_of_line or
8475 (do_warning): Don't use pedwarn for the actual warning,
8476 only the notice about its not being in the standard. (Fixes
8477 bug with #warning in system headers.)
8478 (do_ident): Stricter argument checking - accept only a single
8479 string after #ident. Also, macro-expand the line.
8480 (do_xifdef): Use cpp_defined. De-obfuscate.
8482 (do_pragma): Split out specific pragma handling to separate
8483 functions. Use get_directive_token. Update commentary. Do
8484 not pass on #pragma once or #pragma poison to the front end.
8485 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8486 do_pragma_default): New.
8488 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8490 * jump.c (jump_optimize_1): The first operand in a relational
8492 * optabs.c (emit_conditional_move): Handle relationals which
8493 have a known true/false result.
8495 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8497 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8498 a RETURN insn into a block which already ends with a jump.
8500 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8502 * haifa-sched.c (BUF_LEN): Increase a lot.
8504 2000-02-11 Nick Clifton <nickc@cygnus.com>
8506 * configure.in: Add tm_p_file specification for thumb targets.
8507 * configure: Regenerate.
8509 * config/arm/thumb-protos.h: New file: Prototypes for exported
8510 functions defined in thumb.c.
8512 2000-02-11 Robert Lipe <robertl@sco.com>
8514 * Makefile.in (bootstrap-lean): Remove additional files.
8515 (bootstrap2-lean): Likewise.
8516 (VOL_FILES): List of files for above.
8518 2000-02-11 Nathan Sidwell <nathan@acm.org>
8520 * cpphash.c (special_symbol): Remove spurious argument to
8523 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8525 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8527 * configure: Rebuilt.
8529 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8531 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8533 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8535 * pa.c, pa.h: Remove trigraph sequences within comments.
8537 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8539 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8541 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8543 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8545 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8547 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8549 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8551 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8552 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8553 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8554 (ASM_FILE_END): Use c4x_file_end.
8555 * config/c4x/c4x.c (c4x_global_label): New function.
8556 (c4x_external_ref, c4x_file_end): Likewise.
8558 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8559 (c4x_external_ref, c4x_end_file): Likewise.
8561 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8563 * cppexp.c: Don't include cpphash.h.
8564 (parse_charconst, cpp_lex): Use cpp_defined.
8565 (cpp_lex): Use get_directive_token throughout. Remove
8566 unnecessary cases from switch. Move assertion-handling code
8568 (cpp_parse_expr): If we see '+' or '-', check the context to
8569 determine if they are unary or binary operators. Streamline
8570 the jumps a bit. Do not call skip_rest_of_line.
8572 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8573 static. Export get_directive_token. Update commentary.
8574 (cpp_defined): New function.
8575 (do_define): Remove reference to T_PCSTRING. Call
8576 free_definition to release memory for old definition, when
8578 (eval_if_expression): Set only_seen_white to 0 before calling
8579 cpp_parse_expr. Call skip_rest_of_line after it returns.
8580 (cpp_read_check_assertion): Don't preserve a pointer into the
8581 token buffer across a call to cpp_get_token.
8583 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8584 * cppfiles.c (redundant_include_p): Use cpp_defined.
8585 * cpphash.c (free_definition): New function.
8586 (delete_macro): Use it. Update commentary.
8587 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8589 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8590 from enum node_type. Prototype cpp_defined and get_directive_token.
8591 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8593 * fix-header.c (check_macro_names): Use cpp_defined.
8594 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8595 the options structure.
8597 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8599 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8601 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8603 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8604 rather than die->die_tag.
8606 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8608 * combine.c (make_extraction, force_to_mode): Avoid warning on
8609 mixed-signedness conditionals.
8610 (make_field_assignment, nonzero_bits): Likewise.
8611 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8612 (store_split_bit_field, extract_split_bit_field): Likewise.
8613 (extract_fixed_bit_field, store_bit_field,
8614 * expr.c: Change alignment to be unsigned everywhere.
8615 (move_by_pieces, store_constructor_field, store_constructor):
8616 Alignment parm is unsigned.
8617 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8618 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8619 (do_compare_rtx_and_jump): Likewise.
8620 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8621 Compare align with GET_MODE_ALIGNMENT.
8622 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8623 (get_inner_reference): Likewise.
8624 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8625 (expand_assignment): Local vars for alignment now unsigned.
8626 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8627 (do_compare_and_jump): Likewise.
8628 (store_field): Call new function expr_align.
8629 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8630 Alignment arg now unsigned.
8631 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8632 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8633 (extract_bit_field): Likewise.
8634 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8635 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8636 (get_best_mode): Alignment arg is unsigned.
8637 * rtl.h (move_by_pieces): Likewise.
8638 * store-layout.c (maximum_field_alignment, set_alignment):
8640 (layout_decl): Alignment arg is now unsigned.
8641 Remove unneeded casts.
8642 (layout_record, layout_union, layout_type): Remove unneeded casts.
8643 Local alignment variables now unsigned.
8644 (get_best_mode): Alignment arg now unsigned.
8645 * tree.c (expr_align): New function.
8646 * tree.h (expr_align): Likewise.
8647 (maximum_field_alignment, set_alignment): Now unsigned.
8648 (get_inner_reference): Alignment argument is now pointer to unsigned.
8649 * varasm.c (assemble_variable): Add cast to eliminate warning.
8651 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8653 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8654 then store directly into op0.
8656 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8657 the CALL_INSN, and emit the note immediately after it.
8659 2000-02-10 Nick Clifton <nickc@cygnus.com>
8661 * config/arm/thumb.md (epilogue): Include a (return) in the
8662 generated insn, and emit it using emit_jump_insn not
8665 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8667 * function.c (assign_temp): Change zero-sized arrays to size 1.
8668 * integrate.c (expand_inline_function): Do not update
8669 stack_alignment_needed
8670 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8671 add some sanity checking, remove optimization for function with
8674 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8676 * flow.c (mark_regs_live_at_end): Delete unused variables.
8678 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8680 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8681 in macro FRAME_GROWS_DOWNWARD.
8683 * stmt.c (expand_end_bindings): Delete unused variable.
8685 * unroll.c (iteration_info): Mark parameter `loop' with
8688 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8690 * fixinc/server.c (load_data): Return NULL if the marker line is
8692 (run_shell): If load_data returns NULL, retry the command once, in
8695 * configure: Rebuilt.
8697 2000-02-09 Bruce Korb <bkorb@gnu.org>
8699 * gcc/fixincludes: ** DELETED **
8700 * gcc/fixcpp: ** DELETED **
8701 * gcc/fixinc-nt.sed: ** DELETED **
8702 * gcc/just-fixinc: ** DELETED **
8703 * gcc/Makefile.in: Removed out-dated commentary
8704 * gcc/configure.in: Removed fast-fixincludes disablement.
8705 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8707 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8708 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8711 2000-02-09 Richard Henderson <rth@cygnus.com>
8713 * jump.c (delete_insn): Don't delete user labels at -O0.
8715 2000-02-09 Robert Lipe <robertl@sco.com>
8717 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8718 Don't link with HOST_LIBS.
8720 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8722 * configure.in: Correct --help text for --with-dwarf2.
8723 Put tm-dwarf2.h after other tm files, if it's requested.
8724 * configure: Regenerate.
8725 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8728 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8730 * cpplib.h: Provide HASHNODE typedef and forward decl of
8731 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8732 DEFINITION, struct hashnode, struct macrodef, struct
8733 definition, scan_decls prototype, default defn of
8734 INCLUDE_LEN_FUDGE moved elsewhere.
8736 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8737 definition, and struct hashnode moved here. Remove the unused
8738 'predefined' field from struct definition. Replace the 'args'
8739 union with its sole member. All users updated (cpphash.c).
8740 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8741 multiple include guard.
8743 * cpphash.c (hashf): Make static; use better algorithm; drop
8744 HASHSIZE parameter; return an unsigned int.
8745 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8746 used. Calculate HASHSIZE modulus here.
8747 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8749 (create_definition): Drop PREDEFINITION parameter.
8750 * cpplib.c (do_define): Don't calculate a hash value here.
8751 Don't pass (keyword == NULL) to create_definition.
8753 * scan.h: Prototype scan_decls here.
8754 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8755 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8756 callers of cpp_lookup and cpp_install updated.
8758 * cpphash.c (macarg): Hoist all the flag diddling out of the
8760 (macroexpand): ... and out of the loop that calls macarg.
8761 Skip over the initial paren before macro arguments with
8762 cpp_get_non_space_token; point may be some distance before
8763 that paren. Abort if it's not there.
8765 * cpplib.c (parse_clear_mark): Delete function.
8766 (parse_set_mark, parse_goto_mark): Make static.
8767 (ACTIVE_MARK_P): New macro.
8768 (skip_block_comment, skip_line_comment): Do not bump the line
8769 if ACTIVE_MARK_P is true.
8770 (cpp_pop_buffer): The buffer to be popped may not have an
8772 (cpp_get_token): When looking for the initial paren before
8773 macro arguments, only set a mark in a file buffer, Always
8774 return to that mark before proceeding to call macroexpand or
8775 return a NAME token.
8777 * cpplib.h: Remove prototypes of parse_set_mark,
8778 parse_clear_mark, parse_goto_mark.
8779 (struct cpp_options): Rename 'put_out_comments' to
8780 'discard_comments' and invert its sense.
8781 * cppinit.c, cpphash.c, cpplib.c: All users of
8782 put_out_comments changed to use discard_comments, with
8785 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8787 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8788 the edge from a block that both jumps and falls through to the
8791 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8793 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8794 constant source address is legitimate.
8796 2000-02-09 Philip Blundell <pb@futuretv.com>
8798 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8801 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8803 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8805 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8807 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8808 ends with a newline and a NUL. Don't be so clever manipulating
8811 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8813 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8814 not to BIGGEST_ALIGNMENT.
8816 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8818 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8819 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8820 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8821 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8822 * frame.c (execute_cfa_insn): Handle
8823 DW_CFA_GNU_negative_offset_extended.
8825 2000-02-08 Richard Henderson <rth@cygnus.com>
8827 * flow.c (tidy_fallthru_edges): Split out from ...
8828 (delete_unreachable_blocks): ... here.
8829 (find_basic_blocks): Use it.
8831 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8833 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8835 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8837 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8838 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8839 (fix-header.o): Don't depend on cpphash.h.
8841 * scan.c (hashstr): New function.
8842 * scan.h: Prototype it.
8843 * fix-header.c: Don't include cpphash.h. Use hashstr.
8844 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8845 hashstr. Report hash table statistics. Add private
8846 definition of xrealloc.
8848 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8850 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8852 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8854 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8855 jumps with returns unless they are jumps to the fallthru block.
8857 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8859 * i386.md (addqi3_cc): Fix contraints.
8861 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8863 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8865 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8867 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8868 carriage return after a macro name.
8870 2000-02-07 Fred Fish <fnf@be.com>
8872 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8873 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8875 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8877 * cppfiles.c (deps_output): Count spacers in deps_column.
8879 2000-02-07 Neil Booth <NeilB@earthling.net>
8881 * cppinit.c (initialize_dependency_output): If there is no
8882 suffix, don't try to look for known suffixes. Use strrchr.
8883 (cpp_start_read): Remove duplicate initialization.
8885 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8887 * calls.c (compute_argument_block_size): New argument
8888 preferred_stack_boundary.
8889 (expand_call): update cfun->preferred_stack_boundary, update call of
8890 compute_argument_block_size
8891 (emit_library_call): Increate cfun->preferred_stack_boundary
8892 to PREFERRED_STACK_BOUNDARY
8893 (emit_library_call_value): Likewise.
8894 * explow.c (allocate_dynamic_stack_spave): Likewise.
8895 * function.c (prepare_function_start): Set
8896 cfun->preferred_stack_boundary
8897 * function.h (struct function): Add preferred_stack_boundary field.
8898 * integrate.c (expand_inline_function): Update
8899 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8900 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8901 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8903 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8905 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8906 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8907 cpp_pedwarn, cpp_pedwarn_with_line,
8908 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8909 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8910 v_cpp_error_with_line, v_cpp_warning_with_line,
8911 cpp_message_from_errno, cpp_perror_with_name): Delete.
8913 * cpperror.c (cpp_print_containing_files): Take starting
8915 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8916 (v_cpp_message): Now called directly by all entry points.
8918 (cpp_pfatal_with_name, cpp_message): Delete.
8919 (cpp_notice_from_errno, cpp_ice): New functions.
8920 (cpp_notice): Is now for reporting error conditions, just
8921 without an associated file.
8922 (cpp_error, cpp_error_with_line): Don't do anything if
8923 opts->inhibit_errors is on.
8924 (cpp_pedwarn_with_file_and_line): Take column argument also.
8926 * cpplib.h: Update prototypes of exported functions.
8927 (struct cpp_options): Add inhibit_errors.
8929 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8930 non-error messages. Include intl.h.
8932 * cppinit.c, cppmain.c: Likewise. Also, use
8933 cpp_notice_from_errno instead of cpp_perror_with_name or
8934 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8936 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8937 report internal errors.
8939 * cpplib.c (do_define): Switch bcopy to memcpy.
8940 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8942 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8943 bail out early if we hit a line comment.
8945 2000-02-06 Richard Henderson <rth@cygnus.com>
8947 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8948 * basic-block.h: Declare them.
8949 * emit-rtl.h (active_insn_p): New.
8950 (next_active_insn, prev_active_insn): Use it.
8951 * rtl.h: Declare it.
8952 * function.c (emit_return_into_block): New.
8953 (thread_prologue_and_epilogue_insns): Insert return insns instead
8954 of epilogues when possible.
8955 * jump.c (jump_optimize_1): Remove code to insert a return insn
8956 on the fallthru to the exit block.
8958 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8959 and for non-empty stack frames.
8960 * i386.md (return): Expand to return-pop as needed.
8962 2000-02-06 Richard Henderson <rth@cygnus.com>
8964 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8965 constant to op1 for testing.
8967 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8969 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8970 (fixuns_truncqfqi2): Use it.
8972 2000-02-06 Richard Henderson <rth@cygnus.com>
8974 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8977 * i386.md (widening and peepholes): Mask the constant instead of
8980 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8982 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8983 input pointer before possibly branching off to the backslash
8985 * cpphash.c (macroexpand): Correctly delete \r escapes when
8986 stringifying parameters.
8987 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8988 if we can; bail out early if we hit a line comment.
8989 (handle_directive): Treat '# 123' in an .S file just like
8990 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8991 Return 1 for '# not_a_directive'.
8992 (get_directive_token): Pop macro buffers here, so that
8993 cpp_get_token can't sneakily move past a newline.
8995 (cpp_get_token): goto randomchar if handle_directive returns 0.
8997 * cppalloc.c: Update copyright.
8998 * cpplib.c: Merge all the static function prototypes into one
9000 * cpplib.h: Remove #if 0 block.
9002 * cpperror.c: Remove #ifdef EMACS block.
9003 * cppmain.c: Likewise.
9004 * cpphash.c: Remove #if 0 blocks.
9005 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9006 * cpplib.c: Remove #if 0 blocks and code referencing
9007 pcp_inside_if or for_lint. Remove duplicate error message.
9008 Fix error messages for #else after #else or #elif. Reformat.
9009 Remove archaic TODO list.
9010 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9012 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9014 * i386/osf1elf.h: Add missing backslash to multiline string.
9016 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9018 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9020 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9022 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9024 * c-common.c: Include expr.h.
9026 * c-pragma.c (mark_align_stack): Add prototype.
9028 * caller-save.c (add_stored_regs): Likewise.
9030 * combine.c (record_promoted_value): Likewise.
9032 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9035 * cppinit.c (new_pending_define): Likewise.
9037 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9039 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9040 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9041 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9042 class_scope_p): Likewise.
9044 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9045 dwarf2out_add_library_unit_info): Likewise.
9047 * ggc.h (ggc_page_print_statistics): Likewise.
9049 * haifa-sched.c (propagate_deps): Likewise.
9051 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9053 * rtl.h (set_stack_check_libfunc): Likewise.
9055 * toplev.h (set_fatal_function): Likewise.
9057 * toplev.c (set_fatal_function): Delete prototype.
9059 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9061 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9063 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9064 (FUNC_END): Likewise.
9066 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9068 * caller-save.c: Include tm_p.h.
9070 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9072 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9074 2000-02-04 Neil Booth <NeilB@earthling.net>
9076 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9079 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9081 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9082 * genflags.c: Use the max_operand_1 logic from genemit.c to
9083 calculate how many arguments gen_insn prototypes have. Remove
9084 NO_MD_PROTOTYPES ifdefs from the generated file.
9085 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9086 file. Cast gen_insn initializers to insn_gen_fn.
9087 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9088 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9090 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9092 * fixinc/Makefile.in (HDR): Add machname.h.
9095 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9097 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9098 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9099 (c4x_cpu_version): Ditto.
9100 * config/c4x/c4x-protos.h: ... here.
9102 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9104 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9105 gen_abstract_function on our context if we're a nested function.
9107 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9109 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9110 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9112 2000-02-04 Bruce Korb <bkorb@gnu.org>
9114 * fixinc/genfixes(machname.h):
9115 Move the functionality from gen-machine.h into this file.
9116 UNdef MN_NAME_PAT if there are no names to change.
9117 Also, be a little kinder when AutoGen is not present.
9119 * fixinc/Makefile.in(machname.h):
9120 Change the generation rule to use genfixes.
9122 * fixinc/fixfixes.c(machine_name):
9123 machine_name_fix's functionality now dependent upon whether
9124 MN_NAME_PAT is defined.
9126 * fixinc/fixtests.c(machine_name):
9129 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9132 * fixinc/fixlib.h(mn_get_regexps):
9135 * fixinc/gen-machine.h: DELETED
9137 2000-02-04 Jan Hubicka <jh@suse.cz>
9138 Richard Henderson <rth@cygnus.com>
9140 * i386.c (SAVE_REGS_FIRST): Remove.
9141 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9142 (ix86_compute_frame_size): Likewise.
9143 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9144 (ix86_emit_restore_regs): Remove.
9145 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9146 when a frame pointer is in use.
9147 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9148 instead of pop to restore a register when profitable; emit leave
9150 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9152 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9153 * i386.md (prologue_allocate_stack): Remove.
9154 (epilogue_deallocate_stack): Remove.
9155 (pro_epilogue_adjust_stack): New.
9157 2000-02-04 Richard Henderson <rth@cygnus.com>
9159 * function.c (diddle_return_value): Rework to use a callback function.
9160 Use current_function_return_rtx if it's been set up.
9161 (do_clobber_return_reg, clobber_return_register): New.
9162 (do_use_return_reg, use_return_register): New.
9163 (expand_function_end): Use them.
9164 * stmt.c (expand_null_return): Likewise.
9165 * function.h: Declare them.
9166 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9167 (mark_reg): Change arguments as appropriate for callback.
9168 * integrate.c (expand_inline_function): Revert 19 Jan change.
9170 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9172 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9173 (Misc): Say the scheduler, not the Haifa scheduler.
9175 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9177 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9178 when in_mem is set. Update all callers.
9180 2000-02-04 Richard Henderson <rth@cygnus.com>
9182 * i386/openbsd.h (INT_ASM_OP): Define.
9184 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9186 * tm.texi: Fix various typos.
9188 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9190 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9191 (MD_STARTFILE_PREFIX_1): New macro.
9193 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9195 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9196 destination when needed.
9197 (strmovsi, strsetsi): New expander.
9198 (strmovsi_1, strsetsi_1): New pattern.
9199 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9200 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9201 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9202 * invoke.texi (align-stringops, inline-all-stringops): Document.
9204 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9206 * i386/netbsd.h (INT_ASM_OP): Define.
9208 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9210 * cpplib.h (cpp_reader): Add new flag, no_directives.
9211 * cpphash.c (macarg): Set it.
9212 * cpplib.c (handle_directive): If no_directives is on and we
9213 find a directive, issue an error and discard the line.
9215 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9217 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9218 FP constants. Add ! TARGET_FPU check for FP constants.
9220 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9222 * flow.c (find_basic_blocks): Don't kill label_value_list
9224 (cleanup_cfg): Kill it here.
9226 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9228 * expr.c (store_field): Ensure ALIGN is no stricter than the
9231 2000-02-02 Richard Henderson <rth@cygnus.com>
9233 * jump.c (delete_insn): Partially revert 19 Jan change;
9234 don't convert unused code labels to notes at -O0.
9236 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9238 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9239 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9241 2000-02-01 Richard Henderson <rth@cygnus.com>
9243 * i386.c (general_no_elim_operand): New.
9244 (nonmemory_no_elim_operand): New.
9245 (ix86_expand_move): Copy eliminable operands before a push.
9246 * i386-protos.h: Declare new functions.
9247 * i386.h (CAN_ELIMINATE): Simplify.
9248 (PREDICATE_CODES): Update.
9249 * i386.md (push insns): Don't allow eliminable register operands.
9251 2000-02-01 Richard Henderson <rth@cygnus.com>
9253 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9254 replace BLKmode with DECL_RTL's mode.
9256 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9258 * frame.c (find_fde): Convert for loop to do-while so compiler
9259 sees it's always executed at least once.
9260 * libgcc2.c (BBINBUFSIZE): Kill.
9261 (__bb_init_prg): Use fgets.
9262 (__bb_exit_trace_func): Don't paste strings.
9263 * unroll.c (unroll_loop): Initialize unroll_type, not
9264 unroll_number, and tweak logic to match.
9266 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9268 (ix86_flags_dependant): Likewise. Disentangle control flow.
9269 (ix86_sched_reorder): Break guts out to
9270 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9271 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9274 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9275 use string concatenation. Don't save and restore esi.
9277 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9278 (machname.h): Remove script to separate file. Use two-step
9279 sequence so target is not created if script fails.
9280 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9281 identifiers are defined.
9282 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9283 an empty string, machine_name doesn't need to do anything at
9285 (is_cxx_header): Add more cases to regexp.
9286 * fixinc/fixlib.h: Update prototype.
9287 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9289 * fixinc/fixincl.c: Define NO_BOGOSITY.
9291 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9292 (hp_sysfile): Add missing comma.
9293 (math_exception): Put the wrapper ifdefs at the beginning and
9294 the end of the file.
9295 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9297 2000-02-01 Richard Henderson <rth@cygnus.com>
9299 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9300 Use CONST0_RTX. Update all callers.
9301 * sparc.h, sparc-protos.h: Update accordingly.
9302 * sparc.md (fp mov insns): Use fp_zero_operand directly
9305 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9307 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9310 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9312 * Makefile.in (specs.ready): New target.
9313 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9315 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9317 * fixinc.irix: Use unique filenames for writing into /tmp,
9318 * fixinc.ptx: Likewise.
9319 * fixinc.sco: Likewise.
9320 * fixinc.svr4: Likewise.
9321 * fixinc.winnt: Likewise.
9323 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9325 * tsystem.h: New file.
9327 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9328 s-crtS): Depend on tsystem.h.
9330 * crtstuff.c: Include tsystem.h.
9331 * frame.c: Likewise.
9332 * libgcc2.c: Likewise.
9334 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9336 * builtins.c (expand_builtin_memset): Expand for variable sized
9339 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9341 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9344 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9346 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9348 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9350 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9352 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9353 case 3->2 combining (combining with splitting) in which 2 is CC0
9354 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9355 checked at the begining of the function with the aid of calling
9356 function 'can_combine_p'.
9358 2000-01-31 Dave Brolley <brolley@redhat.com>
9360 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9362 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9364 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9367 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9369 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9371 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9374 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9376 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9377 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9378 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9379 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9380 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9381 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9382 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9383 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9384 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9385 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9387 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9388 Add %(cpp_cpu) to CPP_SPEC.
9390 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9391 Add %(cc1_cpu) to CC1_SPEC.
9393 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9395 * c-decl.c (c_decode_option): Accept optional numeric argument to
9396 -Wformat and set warn_format.
9397 * c-common.c: Don't emit warning about non-constant printf format
9398 string unless warn_format > 1.
9400 2000-01-30 Richard Henderson <rth@cygnus.com>
9402 * alpha.md (return_internal): Allow after reload only.
9404 2000-01-30 Richard Henderson <rth@cygnus.com>
9406 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9407 local frame size is zero.
9409 2000-01-30 Richard Henderson <rth@cygnus.com>
9411 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9412 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9413 * alpha.md (return): Turn into an expander.
9414 (return_internal): Don't use $26.
9415 (epilogue): Emit the return insn.
9417 2000-01-30 Richard Henderson <rth@cygnus.com>
9419 * alpha.md (negtf2, abstf2): Fix word order thinko.
9421 (trunctfsf2): Avoid intermediate rounding errors.
9423 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9425 * cppfiles.c (find_position): Drop 'colp' argument, return the
9427 (read_and_prescan): Adjust to match. Don't ever manipulate
9428 line or line_base except via find_position.
9430 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9432 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9433 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9436 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9438 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9439 just print "<command line>". If 'filename' is null or an
9440 empty string, print "<stdin>" for the filename.
9441 * cpplib.c (do_define): Don't print the 'location of the
9442 previous definition' message if we're still parsing the
9444 (cpp_pedwarn_with_file_and_line): Always call
9445 cpp_file_line_for_message.
9447 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9449 * flow.c (mark_regs_live_at_end): Fix typo.
9451 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9453 * c-common.c: Adjust variable names, comments, help strings to c99.
9454 * c-lex.c: Likewise.
9455 * c-parse.y: Likewise.
9456 * c-tree.h: Likewise.
9458 * cpplib.h: Likewise.
9459 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9460 * cppinit.c: Likewise.
9462 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9464 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9465 * c4x.c: Define the optab rtx values.
9466 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9467 (c4x_emit_libcall): Use new optab rtx values.
9468 (c4x_emit_libcall3): Likewise.
9469 (c4x_emit_libcall_mulhi): Likewise.
9470 * c4x-protos.h: Add prototypes for optab rtx values and change
9471 prototypes for above c4x_emit_libcall functions.
9473 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9475 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9477 (c4x_function_prologue): Use regnames intead of float_reg_names when
9479 (c4x_function_epilogue): Likewise.
9480 (c4x_print_operand): Likewise.
9481 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9482 * c4x.md (set_high): Disable for TARGET_TI.
9484 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9486 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9487 of framepointer + constant to ADDR_REGS class.
9488 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9489 * c4x.c (std_or_reg_operand): New function.
9490 * c4x-protos.h (std_or_reg_operand): Prototype it.
9492 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9494 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9495 object names as libgcc2.c.
9496 * libgcc.S: Use newly defined names.
9498 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9499 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9501 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9502 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9503 (FLOW_LOOP_LAST_BLOCK): Likewise.
9505 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9507 * basic-block.h (struct loop): New fields 'first' and 'last'.
9508 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9509 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9510 and loop->last to check for NOTE_INSN_LOOP_END.
9512 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9514 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9515 of the loop descriptor rather than HEADER and LATCH. Also added
9516 missing break statements as well making some coding style modifications
9517 as suggested by Michael Hayes.
9519 2000-01-28 Richard Henderson <rth@cygnus.com>
9521 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9522 Break out that code ...
9523 (cleanup_cfg): ... here.
9524 (commit_one_edge_insertion): Detect a return instruction being
9525 emitted to an edge. Emit a barrier following; clear fallthru.
9526 (commit_edge_insertions): Verify CFG consistency.
9527 * function.c (expand_function_start): Kill unused variable.
9528 (expand_function_end): Likewise.
9529 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9530 to insert the epilogue.
9532 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9533 (delete_null_pointer_checks): Likewise.
9534 * output.h: Likewise.
9535 * reg-stack.c (reg_to_stack): Likewise.
9536 * toplev.c (rest_of_compilation): Likewise. Run
9537 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9539 2000-01-28 Richard Henderson <rth@cygnus.com>
9541 * Makefile.in (flow.o): Revert 24 Jan change.
9542 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9543 FUNCTION_VALUE result to DECL_RESULT's mode.
9545 * haifa-sched.c (schedule_insns): Don't recompute reg info
9548 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9550 * configure.in: Make --enable-cpplib the default.
9551 * configure: Regenerate.
9552 * gcc.dg/990119-1.c: No longer expected to fail.
9554 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9556 * jump.c (jump_optimize_1): Delete an optimization that is also done
9557 by merge_blocks in flow.
9559 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9561 * diagnostic.c (build_message_string, output_printf,
9562 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9563 (build_location_prefix): Fix non-literal format string.
9565 2000-01-27 Richard Henderson <rth@cygnus.com>
9567 * alpha.md (trunctfsf2): New.
9569 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9571 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9573 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9575 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9577 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9579 (skip_comment) ... here. Permit C++ comments in system
9580 headers always. Warn about C++ comments in user code under
9581 -std=gnu89 -pedantic.
9582 (copy_comment): Use skip_comment.
9583 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9585 (consider_directive_while_skipping, do_else, do_endif): Call
9586 validate_else unconditionally.
9587 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9588 text after the conditional in a system header.
9589 * cpplib.h (struct cpp_buffer): Add flag
9590 warned_cplusplus_comments.
9592 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9594 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9595 Use unshare_all_rtl_1.
9596 (unshare_all_rtl_again): New function.
9597 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9599 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9600 rather than resetting the 'used' flags ourself.
9602 * toplev.c (rest_of_compilation): Add current_function_decl
9603 to the unshare_all_rtl call.
9604 * tree.h: Prototype unshare_all_rtl.
9605 * rtl.h: Prototype unshare_all_rtl_again here.
9607 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9609 * genoutput.c (output_prologue): Include ggc.h in generated
9611 * Makefile.in (insn-output.o): Depends on ggc.h.
9613 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9614 Hans-Peter Nilsson <hp@bitrange.com>
9616 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9617 Remove redundant include of xm-ns32k.h.
9618 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9619 Remove redundant include of xm-ns32k.h.
9620 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9621 Remove redundant include of xm-ns32k.h.
9622 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9624 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9625 (TARGET_SWITCHES): Add documentation strings.
9626 (DWARF_FRAME_REGNUM): Override default definition.
9627 (REG_CLASS_CONTENTS): Add comments.
9628 (SUBSET_P): Format to reduce line length.
9629 (SMALL_REGISTER_CLASSES): Make a run time option.
9630 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9631 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9632 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9633 (regclass_map): fix typo in comment.
9634 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9635 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9636 (trace, reg_or_mem_operand): Delete, unused function.
9637 (calc_address_cost): Small offsets are cheaper than large ones.
9638 (expand_block_move): Generate more efficient code when bytes is a
9639 known at compile time.
9640 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9641 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9642 instead of reg_or_mem_operand.
9644 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9645 not general_operand. Similarly use "=rm" or stricter, not "=g".
9646 For input operands, use stricter constraints than "g" if not
9647 general_operand. Similarly use stricter predicate than
9648 "general_operand" when stricter constraints than "g" are present,
9649 except for matching constraints.
9650 (movstrsi): Use "memory_operand" for operands 0 and 1.
9651 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9652 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9653 not reg_or_mem_operand.
9654 (udivmoddisi4): Ditto.
9655 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9656 Use nonimmediate_operand for operand 3, not register_operand.
9657 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9660 2000-01-27 Fred Fish <fnf@be.com>
9662 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9663 * gthr-single.h: Likewise.
9664 * gthr-solaris.h: Likewise.
9665 * gthr-vxworks.h: Likewise.
9666 * gthr-win32.h: Likewise.
9669 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9671 * cppinit.c: Add " (cpplib)" to end of string printed by
9674 2000-01-27 Richard Henderson <rth@cygnus.com>
9676 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9677 testing for a signed comparison.
9678 (alpha_emit_floatuns): New.
9679 * alpha-protos.h: Declare it.
9680 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9681 (extendsfdf2): Tidy.
9683 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9685 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9686 no -g option specifying debugging format, default to -gstabs+.
9688 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9690 * calls.c (special_function_p): New argument fork_or_exec.
9691 (expand_call): When profile_arc_flag is set and the function
9692 is in the fork_or_exec group, call __bb_fork_func first.
9693 * libgcc2.c, _bb module (__bb_fork_func): New function.
9694 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9696 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9697 * tree.h (special_function_p): Update prototype.
9699 2000-01-26 Richard Henderson <rth@cygnus.com>
9701 * alpha.c (alpha_split_tfmode_pair): New.
9702 * alpha-protos.h: Declare it.
9703 * alpha.md (abstf2, negtf2): New.
9704 (movtf insn): Add input G constraint.
9705 (movtf splitter): Use alpha_split_tfmode_pair.
9707 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9709 * i386/cygwin.h: PROTO -> PARAMS.
9711 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9713 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9714 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9715 using _Qp_cmp/_Q_cmp and testing the return value.
9716 (print_operand): Call reverse_condition_maybe_unordered if
9717 we are handling CCFPmode or CCFPEmode.
9718 Handle ORDERED, UN* and LTGT comparisons.
9719 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9720 if not TARGET_HARD_QUAD.
9721 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9722 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9723 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9724 Adjust gen_b* calls so that they reflect return comparison of
9725 sparc_emit_float_lib_cmp.
9727 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9729 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9730 incoming operands array is large enough for one more operand.
9731 (alpha_emit_xfloating_arith): Likewise.
9733 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9735 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9736 file with one line and no trailing newline.
9737 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9738 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9739 checking if the match is on the line.
9740 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9742 2000-01-25 Richard Henderson <rth@cygnus.com>
9744 * sparc.c (output_cbranch): Fix accidental squashing of the
9745 fp branch pre-delay nop.
9747 2000-01-25 Richard Henderson <rth@cygnus.com>
9749 * tree.def (UNNE_EXPR): Remove.
9750 * c-typeck.c (build_binary_op): Don't handle it.
9751 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9753 * rtl.def (UNNE): Remove.
9755 * jump.c (reverse_condition): Update accordingly.
9756 (swap_condition): Likewise.
9757 (comparison_dominates_p): Handle unordered comparisons.
9758 (reverse_condition_maybe_unordered): New.
9759 * rtl.h (reverse_condition_maybe_unordered): Declare.
9761 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9762 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9763 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9764 * sparc.md (bltgt): New.
9766 2000-01-25 Nick Clifton <nickc@redhat.com>
9768 * emit-rtl.c (emit_insn): Only check machine class insns for
9769 improper emission of a RETURN.
9771 2000-01-25 Richard Henderson <rth@cygnus.com>
9773 * Makefile.in (flow.o): Depend on $(EXPR_H).
9774 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9775 duplicate the structure of diddle_return_value for keeping regs live.
9777 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9779 * loop.c (current_loop_info): Delete.
9780 (consec_sets_invariant_p): Add loop argument, update callers.
9781 (get_condition_for_loop): Likewise.
9782 (count_nonfixed_reads, update_giv_derive): Likewise.
9783 (simplify_giv_expr, general_induction_var): Likewise.
9784 (consec_sets_giv, recombine_givs): Likewise.
9785 (move_movables): Delete loop_start and loop_end arguments,
9786 add loop argument, and update callers.
9787 (find_mem_givs, check_final_value): Likewise.
9788 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9789 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9791 (basic_induction_var): Add loop argument, delete loop_level argument,
9793 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9794 add loop argument, and update callers.
9795 (find_splittable_regs, find_splittable_givs): Likewise.
9796 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9797 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9798 (biv_total_increment): Delete loop_start and loop_end arguments;
9800 (precondition_loop_p): Delete loop_start and loop_info arguments;
9802 * loop.h (get_condition_for_loop): Add loop argument.
9803 (biv_total_increment): Delete loop_start and loop_end arguments.
9804 (precondition_loop_p): Delete loop_start and loop_info arguments;
9806 (final_biv_value): Delete loop_start and loop_end arguments;
9808 (final_giv_value, back_branch_in_range_p): Likewise.
9810 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9812 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9814 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9816 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9817 point to the new "generated_files" doc.
9819 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9821 * config/fp-bit.c (_unord_f2): Fix typo.
9823 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9825 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9826 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9827 functions obsoleted by GC, such as push_obstacks_nochange,
9828 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9829 and code which existed only to decide whether or not to call
9830 them. Remove now-unused NESTED argument from start_function;
9831 all callers changed. Do not change behavior based on ggc_p.
9832 The use of the ixp_obstack in c-iterate.c and the util_obstack
9833 in objc/objc-act.c remain; these are not obsoleted by garbage
9835 * c-tree.h: Update prototype for start_function.
9837 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9839 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9841 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9844 2000-01-25 Richard Henderson <rth@cygnus.com>
9846 * sparc-protos.h (select_cc_mode): Declare.
9847 * sparc.c (select_cc_mode): New. Handle unordered compares.
9848 (output_cbranch): Always reverse via code change. Handle
9849 unordered compares. Factor tests and string updates.
9850 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9851 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9852 * sparc.md (bunordered, bordered): New.
9853 (bungt, bunlt, buneq, bunge, bunle): New.
9855 2000-01-25 Richard Henderson <rth@cygnus.com>
9857 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9858 * ggc-common.c (ggc_add_rtx_varray_root): New.
9859 (ggc_mark_rtx_varray): New.
9860 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9861 functions down below ggc_mark_foo.
9862 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9864 2000-01-25 Richard Henderson <rth@cygnus.com>
9866 * alpha.c (secondary_reload_class): Don't allocate a secondary
9867 for integral mode memories into FLOAT_REGS. Rearrange the more
9868 complicated memory expression inward.
9870 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9872 * inclhack.def: Fixes to play nicer with FreeBSD, and
9873 corrections to comments.
9874 (cxx_unready): Add select expression.
9875 (irix_sockaddr): Add bypass expression.
9876 (machine_ansi_h_va_list): New fix.
9877 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9878 Split out addition of "#include <stdarg.h>" to...
9879 (stdio_stdarg_h): ... here.
9880 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9881 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9882 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9884 (ultrix_ifdef): Tighten up select expression.
9886 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9887 re_ct and max_mach to avoid use of shell. Make printed names
9888 match names in inclhack.def. Use static copyright date.
9889 Don't count c_test and test expressions as requiring regex_t
9890 slots. Add some commentary.
9891 * inclhack.tpl: Do not include the 'This script contains N
9892 fixup scripts' line if PROGRAM is defined. Use static
9895 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9897 * dwarf2out.c: include "varray.h", not dyn-string.h.
9898 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9899 (addr_const_to_string, addr_to_string): Lose.
9900 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9901 (struct dw_val_struct): val_addr is now an rtx.
9902 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9903 (used_rtx_varray): New varray.
9904 (dwarf2out_init): Initialize it.
9906 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9908 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9909 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9910 * Makefile.in (dwarf2out.o): Update dependencies.
9912 2000-01-24 Richard Henderson <rth@cygnus.com>
9914 * i386.c (i386_dwarf_output_addr_const): New.
9915 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9917 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9919 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9920 * i386.c (i386_simplify_dwarf_addr): New.
9921 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9923 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9925 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9926 TYPE_STUB_DECL is NULL.
9928 2000-01-24 Richard Henderson <rth@cygnus.com>
9930 * builtins.c (expand_tree_builtin): Move ...
9931 * c-common.c (expand_tree_builtin): ... here.
9933 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9935 * loop.h (LOOP_INFO): New accessor macro.
9936 * basic-block.h (struct loop): Rename field `info' to `aux'.
9937 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9938 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9939 * unroll.c (loop_iterations, unroll_loop): Likewise.
9941 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9943 * config/i386/t-cygwin: Accomodate new winsup directory layout
9944 when searching for include files.
9946 2000-01-24 Richard Henderson <rth@cygnus.com>
9948 * rtl.def: Add unordered fp comparisions.
9949 * tree.def: Likewise.
9950 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9952 * builtins.c (expand_tree_builtin): New function.
9953 * c-typeck.c (build_function_call): Use it.
9954 (build_binary_op): Support unordered compares.
9955 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9957 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9958 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9959 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9960 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9961 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9963 (swap_condition): Handle unordered compares.
9964 (thread_jumps): Check can_reverse before reversing.
9965 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9968 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9969 setcc is present before acking for cmp_optab. Update all callers.
9970 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9971 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9972 * expr.c (expand_expr): Likewise. Support unordered compares.
9973 (do_jump, do_store_flag): Likewise.
9974 * expr.h (enum libfunc_index): Add unordered compares.
9976 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9977 (DPBIT_FUNCS): Add _unord_df.
9978 * config/fp-bit.c (_unord_f2): New.
9979 * fp-test.c (main): Try unordered compare builtins.
9981 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9982 * alpha.c (alpha_comparison_operator): Check mode properly.
9983 (alpha_swapped_comparison_operator): Likewise.
9984 (signed_comparison_operator): Likewise.
9985 (alpha_fp_comparison_operator): New.
9986 (alpha_emit_conditional_branch): Handle unordered compares.
9987 * alpha.h (PREDICATE_CODES): Update.
9988 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9989 (bunordered, bordered): New.
9991 2000-01-24 Richard Henderson <rth@cygnus.com>
9993 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9994 * alpha.md (movtf): New expander, insn, and splitter.
9996 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9998 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10001 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10003 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10004 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10005 REG_ALLOC_ORDER): Add frame pointer
10006 (FRAME_POINTER_REGNUM): Set to 20
10007 (HARD_FRAME_POINTER_REGNUM): New macro.
10008 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10009 to HARD_FRAME_POINTER.
10010 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10011 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10012 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10013 (HI_REGISTER_NAMES): Add "frame".
10014 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10015 (debug_reg): Handle FRAME_POINTER_REGNUM.
10016 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10017 GENERAL_REGS and INDEX_REGS.
10018 * i386.c (SAVED_REGS_FIRST): new macro.
10019 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10020 (ix86_decompose_address, memory_address_length): Likewise.
10021 (regclass_map): Add frame pointer.
10022 (call_insn_operand): Handle frame_pointer_rtx.
10023 (reg_no_sp_operand): Likewise.
10024 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10025 (print_operand, legitimize_pic_address): Fix formating.
10026 (ix86_compute_frame_size): Make static, update prototype, new
10027 parameters padding1, padding2, use ix86_nsaved_regs, use
10028 stack_alignment_needed.
10029 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10030 to HARD_FRAME_POINTER_REGNUM conversions.
10031 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10032 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10033 (print_reg): Abort on FRAME_POINTER_REGNUM
10035 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10037 * i386.h (PREDICATE_CODES): Add aligned_operand.
10038 * i386.c (aligned_operand): New function.
10039 (ix86_aligned_p): Kill.
10040 * i386.md (movhi_1): Emit mov for aligned operands.
10041 (promoting peep2s): Use aligned_operand.
10043 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10045 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10046 expression to allow underscores in macro names.
10047 (fix_char_macro_defines): Increment scanning pointer.
10049 2000-01-23 Richard Henderson <rth@cygnus.com>
10051 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10052 * alpha/osf5.h: New file.
10053 * configure.in (alpha-*-osf5): Add it to tm_file.
10055 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10057 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10058 (alpha_emit_xfloating_cvt, function_arg): Declare.
10059 * alpha.c (alpha_emit_conditional_branch): Call
10060 alpha_emit_xfloating_compare for TFmode compares.
10061 (alpha_lookup_xfloating_lib_func): New.
10062 (alpha_compute_xfloating_mode_arg): New.
10063 (alpha_emit_xfloating_libcall): New.
10064 (alpha_emit_xfloating_arith): New.
10065 (alpha_emit_xfloating_compare): New.
10066 (alpha_emit_xfloating_cvt): New.
10067 (print_operand): Add default abort case.
10068 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10069 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10070 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10071 (RETURN_IN_MEMORY): True for TF/TCmode.
10072 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10073 (FUNCTION_ARG): Move to function_arg.
10074 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10075 (ASM_OUTPUT_LONG_DOUBLE): New.
10076 (ASM_OUTPUT_DOUBLE): Always output bits.
10077 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10078 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10079 (extenddftf2, trunctfdf2): New.
10081 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10083 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10084 * config/sparc/sol2.h: ... here.
10086 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10088 * basic-block.h (struct loops): New field `levels'.
10089 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10090 (flow_loop_level_compute): Initialise level to 1.
10091 (flow_loops_find): Set loops->levels.
10092 (flow_loops_dump): Print loops->levels.
10094 2000-01-23 Richard Henderson <rth@cygnus.com>
10096 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10097 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10099 2000-01-23 Richard Henderson <rth@cygnus.com>
10101 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10102 * i386.h (DBX_REGISTER_NUMBER): Use them.
10103 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10104 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10105 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10106 * i386/sequent.h: Kill incorrect comment.
10108 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10110 * ggc-page.c (struct page_entry): Make `context_depth' an
10112 (struct globals): Likewise.
10114 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10116 * loop.c (check_dbra_loop): When checking a loop for
10117 reversability, check the source of any stores to ensure
10118 they don't depend on an initial value.
10120 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10122 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10124 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10126 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10127 'pz_scan' into scope of entire function. Only affects
10128 compiles with -DDEBUG.
10130 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10132 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10133 section naming to that prior to 2000-01-07 patch.
10134 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10135 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10136 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10137 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10138 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10140 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10142 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10145 2000-01-21 Jim Wilson <wilson@cygnus.com>
10147 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10148 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10150 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10152 * cpphash.c (change_newlines): Delete function.
10153 (struct argdata): Delete 'newlines' and 'use_count' fields.
10154 (macroexpand): Remove code referencing those fields.
10156 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10158 * loop.c (loops_info): New variable.
10159 (loop_optimize): Allocate loops->array and free it on exit.
10160 Allocate memory for loops_info and assign to each loop,
10162 (find_and_verify_loops): Do not allocate loops->array.
10164 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10166 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10168 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10170 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10171 pseudos if expanded after first flow.
10172 (movdi_pic_label_ref): Likewise.
10174 2000-01-20 Richard Henderson <rth@cygnus.com>
10176 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10178 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10180 * Makefile.in (fixinc.sh): Depend on specs.
10181 * fixinc/Makefile.in: Add rule to create machname.h.
10182 (fixlib.o): Depend on machname.h.
10183 * fixinc/fixtests.c (machine_name): New test.
10184 * fixinc/fixfixes.c (machine_name): New fix.
10185 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10186 the machine_name test and fix.
10187 * fixinc/fixlib.h: Prototype it.
10188 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10189 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10191 * gcc.c (do_spec_1) [case P]: Take care not to create
10192 identifiers with three leading or trailing underscores.
10194 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10195 (fixincl): Don't specify libraries twice on link line.
10196 (gnu-regex.o): Remove special rule.
10197 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10198 defined by config.h. Do not define _REGEX_RE_COMP.
10199 (regcomp): Allocate and initialize a fastmap.
10200 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10202 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10204 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10206 2000-01-19 Richard Henderson <rth@cygnus.com>
10208 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10209 arguments with BB. Update all callers. Tidy line wrapping.
10211 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10213 * emit-rtl.c (try_split): Return last_insn if we split the
10216 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10218 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10219 (ix86_initial_elimination_offset): Declare.
10220 * i386.c (ix86_nsaved_regs): Break out from ...
10221 (ix86_can_use_return_insn_p): ... here.
10222 (ix86_emit_save_regs): Break out from ...
10223 (ix86_expand_prologue): ... here.
10224 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10226 (ix86_expand_epilogue): ... here.
10227 (ix86_compute_frame_size): Make static, add prototype.
10228 (ix86_initial_elimination_offset): Break out from ...
10229 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10231 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10233 * recog.h (OUT_FCN): Delete.
10235 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10237 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10239 * cppalloc.c: PROTO -> PARAMS.
10240 * cpperror.c: Likewise.
10241 * cppfiles.c: Likewise.
10242 * cpplib.c: Likewise.
10243 * cpplib.h: Likewise.
10245 * config/arm/arm-protos.h: PROTO -> PARAMS.
10246 * config/arm/arm.c: Likewise.
10247 * config/c4x/c4x.c: Likewise.
10248 * config/fr30/fr30-protos.h: Likewise.
10249 * config/nextstep.c: Likewise.
10250 * config/pa/pa.c: Likewise.
10251 * config/pj/pj.c: Likewise.
10252 * config/rs6000/rs6000.c: Likewise.
10253 * config/v850/v850-protos.h: Likewise.
10254 * config/v850/v850.c: Likewise.
10256 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10258 * i370-protos.h: New file.
10260 * i370.c: Include tm_p.h. Fix compile time warnings.
10262 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10265 * i370.md: Likewise.
10267 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10269 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10270 (target_isinf, target_isnan, eisnan): Mark parameter with
10272 (eiisinf): Wrap in INFINITY.
10273 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10274 (ibmtoe): Remove unused variable `rndsav'.
10276 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10278 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10279 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10281 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10283 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10284 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10285 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10287 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10288 Recognize Emacs mode markers also.
10289 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10290 C++ comments in C++ headers. Call is_cxx_header only if
10293 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10294 bypass for ncurses.
10295 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10296 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10297 ... these, which use the new C fixes.
10298 (math_exception): Escape literal '+' in bypass expression.
10300 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10303 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10305 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10308 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10310 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10311 prior to calling scan_loop.
10313 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10315 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10316 (split_branches, calc_live_regs): Likewise.
10318 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10320 * sh.md (fpu_single, fp_mode): New attributes.
10322 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10324 * loop.c (current_loop_info): Renamed from loop_info_data
10325 and changed to a pointer.
10326 (loop_optimize): Allocate loop_info structure for each loop
10327 and initialise to zero.
10328 (scan_loop): Set current_loop_info.
10330 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10333 2000-01-19 Richard Henderson <rth@cygnus.com>
10335 * stupid.c: Die die die.
10336 * Makefile.in (OBJS): Remove stupid.o.
10337 (stupid.o): Likewise.
10339 * except.c (emit_eh_context): Don't emit USEs for stupid.
10340 * explow.c (probe_stack_range): Likewise.
10341 * flags.h (obey_regdecls): Remove.
10342 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10343 when not optimizing.
10344 (life_analysis): Limit data collection when not optimizing.
10345 (mark_regs_live_at_end): Always mark the return value registers.
10346 (mark_used_regs): Remove dummy RETURN case.
10347 (print_rtl_with_bb): Don't consult obey_regdecls.
10348 * function.c (use_variable, use_variable_after): Remove.
10349 (assign_parms): Consult optimize not obey_regdecls.
10350 (expand_function_start): Don't emit USEs for stupid.
10351 (expand_function_end): Likewise.
10352 * global.c (build_insn_chain): Export.
10353 * integrate.c (expand_inline_function): Kill return-value USE
10355 * jump.c (jump_optimize_1): Do simple jump optimizations and
10356 dead code elimination.
10357 (calculate_can_reach_end): Remove check_deleted argument.
10358 (delete_insn): Patch out insns even when not optimizing.
10359 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10360 * rtl.h (use_variable, use_variable_after): Remove declarations.
10361 (build_insn_chain): Declare.
10362 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10363 (expand_end_bindings): Likewise.
10364 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10365 * toplev.c (obey_regdecls): Remove.
10366 (rest_of_compilation): Don't set it. Kill stupid in favour of
10367 flow1, local-alloc, and reload.
10368 (main): Don't set obey_regdecls.
10370 * config/nextstep.c (handle_pragma): Likewise.
10372 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10374 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10376 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10378 * alpha-protos.h: PROTO -> PARAMS.
10379 * alpha.c: Likewise.
10381 * h8300.c: Likewise.
10382 * i386-protos.h: Likewise.
10383 * i386.c: Likewise.
10384 * m32r-protos.h: Likewise.
10385 * m32r.c: Likewise.
10386 * mips.c: Likewise.
10387 * mips.md: Likewise.
10388 * gmon-sol2.c: Likewise.
10389 * sparc.c: Likewise.
10391 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10393 * ns32k-protos.h: New file.
10395 * ns32k.c: Fix compile time warnings.
10397 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10400 * ns32k.md: Likewise.
10402 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10404 * vax-protos.h: New file.
10406 * vax.c: Fix compile time warnings.
10408 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10411 * vax.md: Likewise.
10413 * vaxv.md: Likewise.
10415 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10417 * romp-protos.h: New file.
10419 * romp.c: Fix compile time warnings.
10421 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10424 * romp.md: Likewise.
10426 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10428 * we32k-protos.h: New file.
10430 * we32k.c: Fix compile time warnings.
10432 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10435 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10437 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10439 * except.c (eh_regs): Likewise.
10441 * final.c (output_operand): Likewise.
10443 * fold-const.c (target_isinf, target_isnan): Likewise.
10445 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10447 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10448 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10450 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10451 when optimize_size.
10452 (clrstrsi): Rewrite.
10453 (strsethi, strsetqi): New expanders.
10454 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10455 (cmpstrsi): Emit compare insn before cmpstrsi_1
10456 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10457 (strlensi_1): Likewise.
10458 (cmpstrsi_1): Likewise; do not output compare.
10459 (strlen expander): Do not unroll when optimizing for size.
10460 (*subsi3_carry): Rename to subsi3_carry
10461 (addqi3_cc): New pattern.
10462 * i386.h (processor_costs): Add move_ratio field.
10463 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10464 * i386.c (*_cost): Set move_ratio.
10465 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10466 (x86_expand_strlensi_1): Rewrite the main loop.
10468 2000-01-17 Richard Henderson <rth@cygnus.com>
10470 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10471 * cse.c (find_comparison_args, fold_rtx): Likewise.
10472 * integrate.c (subst_constants): Likewise.
10473 * loop.c (get_condition): Likewise.
10475 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10477 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10479 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10481 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10482 (RESTORE_WARN_FLAGS): Unpack it.
10483 Change semantic type of extension to ttype.
10484 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10485 * c-parse.y, c-parse.c, objc/objc-parse.y,
10486 objc/objc-parse.c: Regenerate.
10488 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10490 * fixinc/fixlib.c: Add copyright notice.
10491 (compile_re): New function.
10492 * fixinc/fixlib.h: Prototype compile_re.
10494 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10495 Use compile_re to compile regular expressions.
10497 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10498 where the pattern matched.
10500 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10502 (ultrix_ansi_compat): Likewise.
10503 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10505 (interactv_add2, interactv_add3): Delete.
10506 (x11_sprintf): Don't use filename glob.
10507 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10510 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10512 * print-rtl.c: PROTO -> PARAMS.
10513 * real.c: Likewise.
10514 * reg-stack.c: Likewise.
10515 * resource.c: Likewise.
10516 * sdbout.h: Likewise.
10517 * simplify-rtx.c: Likewise.
10518 * stor-layout.c: Likewise.
10519 * stupid.c: Likewise.
10520 * xcoffout.c: Likewise.
10521 * xcoffout.h: Likewise.
10523 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10525 * toplev.c: PROTO -> PARAMS.
10526 * toplev.h: Likewise.
10527 * tree.c: Likewise.
10528 * tree.h: Likewise.
10529 * unroll.c: Likewise.
10530 * varasm.c: Likewise.
10531 * varray.c: Likewise.
10532 * varray.h: Likewise.
10534 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10536 * reload.c: PROTO -> PARAMS.
10537 * reload.h: Likewise.
10538 * reload1.c: Likewise.
10539 * reorg.c: Likewise.
10540 * resource.h: Likewise.
10543 * rtlanal.c: Likewise.
10544 * sbitmap.h: Likewise.
10545 * sdbout.c: Likewise.
10546 * stack.h: Likewise.
10547 * stmt.c: Likewise.
10548 * system.h: Likewise.
10550 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10552 * machmode.h: PROTO -> PARAMS.
10553 * mbchar.h: Likewise.
10554 * mips-tdump.c: Likewise.
10555 * mips-tfile.c: Likewise.
10556 * optabs.c: Likewise.
10557 * output.h: Likewise.
10558 * prefix.c: Likewise.
10559 * profile.c: Likewise.
10560 * protoize.c: Likewise.
10561 * real.h: Likewise.
10562 * recog.c: Likewise.
10563 * recog.h: Likewise.
10564 * regclass.c: Likewise.
10565 * regmove.c: Likewise.
10566 * regs.h: Likewise.
10568 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10570 * ggc-common.c: PROTO -> PARAMS.
10571 * ggc-page.c: Likewise.
10572 * ggc-simple.c: Likewise.
10574 * global.c: Likewise.
10575 * graph.c: Likewise.
10576 * gthr-win32.h: Likewise.
10577 * haifa-sched.c: Likewise.
10578 * halfpic.h: Likewise.
10579 * integrate.c: Likewise.
10580 * integrate.h: Likewise.
10581 * jump.c: Likewise.
10583 * local-alloc.c: Likewise.
10584 * loop.c: Likewise.
10585 * loop.h: Likewise.
10587 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10589 * genattr.c: PROTO -> PARAMS.
10590 * genattrtab.c: Likewise.
10591 * gencheck.c: Likewise.
10592 * gencodes.c: Likewise.
10593 * genconfig.c: Likewise.
10594 * genemit.c: Likewise.
10595 * genextract.c: Likewise.
10596 * genflags.c: Likewise.
10597 * gengenrtl.c: Likewise.
10598 * genopinit.c: Likewise.
10599 * genoutput.c: Likewise.
10600 * genpeep.c: Likewise.
10601 * genrecog.c: Likewise.
10603 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10605 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10607 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10609 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10610 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10611 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10612 * configure, config.in: Rebuilt.
10614 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10616 * config/i386/i386.md: Add peephole to merge successive stack
10619 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10621 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10622 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10623 when walking backwards to find all the parameter loads when
10624 the basic block ends in a call.
10626 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10628 * loop.c (this_loop_info): Delete.
10629 (uid_loop): Add in place of uid_loop_num. All uses updated.
10630 (loop_number_exit_count): Delete and replace with entry in loop
10631 structure. All uses updated.
10632 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10633 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10634 (loop_outer_loop): Likewise.
10635 (loop_invalid, loop_number_exit_labels): Likewise.
10636 (loop_used_count_register): Delete and replace with entry in
10637 loop_info structure.
10638 (find_and_verify_loops): Add loops argument.
10639 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10640 loop_end, etc. arguments with loop structure pointer. All callers
10642 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10643 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10644 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10645 (insert_bct): Likewise.
10646 (basic_induction_var): New argument level.
10647 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10648 vtop, and cont. Add used_count_register.
10649 (uid_loop): Delete declaration.
10650 (loop_number_exit_count): Likewise.
10651 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10652 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10653 (loop_outer_loop, loop_used_count_register): Likewise.
10654 (loop_invalid, loop_number_exit_labels): Likewise.
10655 (unroll_loop): Replace loop_start and loop_end arguments
10656 with loop structure pointer.
10657 (loop_precondition_p, loop_iterations): Likewise.
10658 Include basic-block.h.
10659 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10660 with loop structure pointer.
10661 (loop_precondition_p, loop_iterations): Likewise.
10662 * basic-block.h (struct loop): New entries vtop, cont,
10663 cont_dominator, start, end, top, scan_start, exit_labels,
10665 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10667 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10669 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10671 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10673 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10675 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10677 * pdp11-protos.h: New file.
10679 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10682 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10685 * pdp11.md: Likewise.
10687 * 2bsd.h: Likewise.
10689 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10691 * mn10300-protos.h: New file.
10693 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10696 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10699 * mn10300.md: Likewise.
10701 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10703 * mn10200-protos.h: New file.
10705 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10708 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10711 * mn10200.md: Likewise.
10713 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10715 * h8300-protos.h: New file.
10717 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10720 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10723 * h8300.md: Likewise.
10725 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10727 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10728 (asm_emit_uninitialised): Likewise.
10730 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10732 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10733 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10735 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10737 * config/mips/mips.c (override_options): Don't turn on extra
10738 alignment for mips16.
10740 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10742 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10743 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10746 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10748 * builtins.c (PAD_VARARGS_DOWN): Define.
10749 (std_expand_builtin_va_arg): Use the above macro.
10750 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10751 * tm.texi (Register Arguments): Document the above macro.
10753 2000-01-14 Nick Clifton <nickc@cygnus.com>
10755 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10756 that this function has not been used to emit a jump
10759 * jump.c (return_jump_1): Cope with being passed a null rtx.
10761 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10763 * eh-common.h: PROTO -> PARAMS.
10764 * emit-rtl.c: Likewise.
10765 * errors.c: Likewise.
10766 * errors.h: Likewise.
10767 * except.c: Likewise.
10768 * except.h: Likewise.
10769 * explow.c: Likewise.
10770 * expmed.c: Likewise.
10771 * expr.c: Likewise.
10772 * expr.h: Likewise.
10773 * final.c: Likewise.
10774 * fix-header.c: Likewise.
10775 * flow.c: Likewise.
10776 * fold-const.c: Likewise.
10777 * function.c: Likewise.
10778 * function.h: Likewise.
10780 * gcov-io.h: Likewise.
10781 * gcov.c: Likewise.
10782 * gcse.c: Likewise.
10784 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10786 * sh-protos.h: New file.
10788 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10789 Add static prototypes. Fix compile time warnings.
10791 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10795 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10797 * arc-protos.h: New file.
10799 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10802 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10805 * arc.md: Likewise.
10807 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10809 * dsp16xx-protos.h: New file.
10811 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10814 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10817 * dsp16xx.md: Likewise.
10819 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10821 * convex-protos.h: New file.
10823 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10826 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10829 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10831 * elxsi-protos.h: New file.
10833 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10836 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10839 * elxsi.md: Likewise.
10841 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10843 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10844 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10845 match the comment for MIPS16.
10847 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10849 * flow.c (split_edge): Do not call set_block_for_insn if we
10850 do not have a basic_block_for_insn structure.
10852 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10853 and destination functions are 32bit aligned within the trampoline.
10854 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10855 (TRAMPOLINE_ALIGNMENT): Define.
10857 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10858 (set (pc) (label_ref)), verify the change creates a valid insn.
10860 * fr30.c (call_operand): Tighten and rework to match rules for
10861 call RTL expressions.
10862 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10863 * fr30.md (call patterns): Improve constraints.
10865 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10867 * fr30.c (fr30_expand_epilogue): Revert last change.
10868 Use emit_jump_insn for the return insn.
10870 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10871 Stan Cox <scox@cygnus.com>
10873 * predict.c: New file. Preliminary infrastructure work for static
10874 branch prediction and basic block reordering.
10875 * basic-block.h: Add prototype for estimate_probability.
10876 * Makefile.in: Add rules for predict.o.
10878 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10880 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10881 * fixinc/*: Likewise.
10883 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10885 * cccp.c: PROTO -> PARAMS.
10886 * cexp.y: Likewise.
10887 * collect2.c: Likewise.
10888 * combine.c: Likewise.
10889 * convert.h: Likewise.
10891 * dbxout.c: Likewise.
10892 * dbxout.h: Likewise.
10893 * diagnostic.c: Likewise.
10894 * doprint.c: Likewise.
10895 * dwarf2out.c: Likewise.
10896 * dwarf2out.h: Likewise.
10897 * dwarfout.c: Likewise.
10898 * dwarfout.h: Likewise.
10899 * dyn-string.h: Likewise.
10901 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10903 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10904 macro conditionals guarding use.
10906 * dwarf2out.c: Include "tm_p.h".
10908 * function.c (locate_and_pad_parm): Mark parameter with
10910 (expand_function_end): Likewise for variable `context'.
10912 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10914 2000-01-13 Nick Clifton <nickc@cygnus.com>
10916 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10917 register to prevent compile time warnings.
10919 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10921 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10922 to avoid -Wtraditional warning.
10924 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10926 * 1750a-protos.h: New file.
10928 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10931 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10934 * 1750a.md: Likewise.
10936 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10938 * a29k-protos.h: New file.
10940 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10943 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10946 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10948 * clipper-protos.h: New file.
10950 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10953 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10956 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10958 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10960 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10962 * configure.in (--enable-new-gxx-abi): New option.
10963 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10964 * Makefile.in (GXX_ABI_FLAG): New variable.
10965 * configure: Regenerate.
10967 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10969 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10970 * tm.texi (FORCE_STRUCT_BLK): Document.
10971 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10973 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10975 * config/ns32k/ns32k.md: Revert Jan 9 change.
10977 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10978 to a mode-test, if the predicate is address_operand.
10980 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10982 * combine.c (if_then_else_cond): Be careful about what kinds
10983 of RTL expressions are passed to operand_subword.
10985 * flow.c (split_edge): If we have to insert a new jump, make
10986 sure to associate it with a basic block.
10988 * flow.c (commit_one_edge_insertion): A block with one successor
10989 can end in a JUMP_INSN that is not a simplejump.
10991 2000-01-12 Robert Lipe <robertl@sco.com>
10993 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10994 (BUILD_VA_LIST_TYPE): Define.
10995 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10998 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11000 * cccp.c (do_pragma): Add cast to (char *).
11002 2000-01-12 Richard Henderson <rth@cygnus.com>
11003 Fred Fish <fnf@be.com>
11004 Jason Merrill <jason@cygnus.com>
11006 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11007 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11008 * i386/beos-elf.h, i386/beos-pe.h: New files.
11010 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11011 * cross-make (SYSTEM_HEADER_DIR): Define using
11012 CROSS_SYSTEM_HEADER_DIR.
11014 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11015 (process_command): Use it.
11016 (main): Likewise. Kill trailing = from env vars.
11017 (build_search_list): Put it back.
11018 * collect2.c (main): Use LIBRARY_PATH_ENV.
11020 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11021 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11023 * tm.texi (Frame Layout): Document SMALL_STACK.
11024 * c-common.c (c_common_nodes_and_builtins): Check it.
11026 * system.h: Undef alloca after including glibc's <stdlib.h>,
11027 if USE_C_ALLOCA is defined.
11029 * gcc.c (set_input): New fn.
11030 (main): After all input files are compiled, reset the input file
11033 * aclocal.m4 (rindex, index): If already defined, don't attempt
11036 * ginclude/varargs.h: (__va_list__): Define ifndef.
11037 * ginclude/stdarg.h: Likewise.
11039 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11040 instead of unsigned char.
11042 * hash.h (true, false, boolean): Undef before enum.
11044 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11045 proper type of "HOST_WIDE_INT *", rather than their natural type of
11046 "unsigned HOST_WIDE_INT *".
11048 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11050 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11052 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11054 * regclass.c (choose_hard_reg_mode): Likewise.
11056 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11058 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11060 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11062 * c-common.c: PROTO -> PARAMS.
11063 * c-common.h: Likewise.
11064 * c-decl.c: Likewise.
11065 * c-iterate.c: Likewise.
11066 * c-lang.c: Likewise.
11067 * c-lex.c: Likewise.
11068 * c-lex.h: Likewise.
11069 * c-parse.in: Likewise.
11070 * c-pragma.c: Likewise.
11071 * c-pragma.h: Likewise.
11072 * c-tree.h: Likewise.
11073 * c-typeck.c: Likewise.
11074 * objc/objc-act.c: Likewise.
11075 * objc/objc-act.h: Likewise.
11077 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11079 * m88k-protos.h: New file.
11081 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11084 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11086 * m88k.md: Likewise.
11088 * tekXD88.h: Likewise.
11090 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11092 * m68k-protos.h: New file.
11094 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11097 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11099 * mot3300.h: Likewise.
11101 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11103 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11105 (extract_bitlist): Declare bitlen.
11107 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11109 * cccp.c: Accept and ignore -lang-fortran.
11111 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11112 qualifiers don't match at any level of pointerness.
11114 2000-01-12 Robert Lipe <robertl@sco.com>
11116 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11118 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11120 * reload1.c (reload_reg_unavailable): New static variable.
11121 (reload_reg_free_p): Test it.
11122 (reload_reg_free_for_value_p): Test it instead of
11124 (choose_reload_regs_init): Compute it.
11126 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11128 * reorg.c (fill_slots_from_thread): Check modified_in_p
11131 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11133 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11134 these nodes even if INTERNALS is not set.
11136 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11138 * gcse.c (delete_null_pointer_checks_1): Cope when
11139 get_condition cannot determine the condition.
11141 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11143 * toplev.h (set_message_length): Declare.
11145 * diagnostic.c (obstack_chunk_alloc): Define macro.
11146 (obstack_chunk_free): Likewise.
11147 (struct output_buffer): New data structure.
11148 (vmessage): Remove.
11149 (output_maximum_width): New variable.
11150 (doing_line_wrapping, set_message_length, init_output_buffer,
11151 get_output_prefix, output_space_left, emit_output_prefix,
11152 output_newline, output_append, output_puts, dump_output,
11153 vbuild_message_string, build_message_string, build_location_prefix,
11154 voutput_notice, output_printf, line_wrapper_printf,
11155 vline_wrapper_message_with_location): New functions. Implement
11156 automatic line wrapping.
11157 (v_message_with_decl): Make it handle automatic line wrapping.
11158 (v_error_with_file_and_line): Likewise.
11159 (v_warning_with_file_and_line): Likewise.
11160 (announce_function): Likewise.
11161 (default_print_error_function): Likewise.
11163 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11165 * cpplib.h (struct cpp_options): Change lang_asm to char.
11167 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11168 done in cpp_handle_option now.
11169 (initialize_builtins): Take out special case code used only by
11171 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11172 if -traditional. Recognize -lang-fortran and set
11173 lang_fortran, also turn off cplusplus_comments.
11174 (print_help): Document -lang-fortran.
11175 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11176 lang_asm. Ignore all directives other than `# 123 "file"' if
11178 (cpp_get_token): If -traditional, don't recognize directives
11179 unless the # is in column 1.
11180 (parse_string): If lang_fortran or lang_asm, silently
11181 terminate strings ('' or "") at end of line.
11182 Remove unnecessary braces.
11184 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11185 Richard Henderson <rth@cygnus.com>
11187 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11189 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11190 strict_low_part when possible.
11192 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11194 * alias.c: PROTO -> PARAMS.
11195 * basic-block.h: Likewise.
11196 * bitmap.c: Likewise.
11197 * bitmap.h: Likewise.
11198 * builtins.c: Likewise.
11199 * c-aux-info.c: Likewise.
11200 * caller-save.c: Likewise.
11201 * calls.c: Likewise.
11203 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11205 * Makefile.in (toplev.o): Depend on regs.h.
11207 * output.h (tdesc_section): Prototype.
11209 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11211 * sdbout.c: Include "tm_p.h".
11213 * toplev.c: Include "regs.h".
11215 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11217 * unroll.c (unroll_loop): Add EH support.
11219 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11221 * pa-protos.h: New file.
11223 * pa.c: Include recog.h and tm_p.h.
11224 (compute_zdepwi_operands, compute_movstrsi_length,
11225 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11226 find_addr_reg, import_milli): Add static prototypes.
11227 (pa_cpu_string, pa_arch_string): Constify a char*.
11228 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11229 (read_only_operand): Add argument `mode'.
11230 (singlemove_string, output_move_double, output_fp_move_double,
11231 output_block_move, output_and, output_ior, output_ascii,
11232 remove_useless_addtr_insns, milli_names, output_mul_insn,
11233 output_div_insn, output_mod_insn, output_arg_descriptor,
11234 output_cbranch, output_bb, output_bvb, output_dbra, ,
11235 output_millicode_call, output_call, hppa_encode_label,
11236 output_parallel_movb, output_parallel_addb): Constify a char*.
11237 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11238 (output_parallel_addb): Remove extra arg to `constrain_operands'
11240 * pa.h: Move all prototypes to pa-protos.h.
11241 (pa_cpu_string, pa_arch_string): Constify a char*.
11242 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11244 * pa.md: Call `function_label_operand' with mode argument.
11245 Likewise for `read_only_operand'.
11246 Fix nesting of parens in call to `symbolic_operand'.
11248 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11250 * i860-protos.h: New file.
11252 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11255 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11257 * i860.md: Likewise.
11259 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11261 * i386.md (movstrsi expander): Rewrite.
11262 (movstrsi_1 insn): Deleted.
11263 (strmovhi, strmovqi expander): New expanders.
11264 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11265 * i386.c (x86_single_stringop): New global variable.
11266 * i386.h (x86_single_stringop): Declare.
11267 (TARGET_SINGLE_STRINGOP): New macro.
11269 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11271 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11272 integer vararg POSTINCREMENT before the destination of the jump
11273 for the hard fp case.
11274 (function_arg_pass_by_reference): Pass a copy of CUM to
11277 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11278 for CONSTANT_ADDRESS_P above while loop for subreg.
11280 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11282 * flow.c (propagate_block): When a prologue/epilogue insn
11283 is marked dead, unconditionally clear libcall_is_dead and
11284 insn_is_dead, and only dump rtl if warnings aren't being
11287 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11289 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11290 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11291 (FIXED_REGISTERS): Set dirflag as fixed.
11292 (CALL_USED_REGISTERS): Set dirflag as used.
11293 (REG_ALLOC_ORDER): Set dirflag as last one.
11294 (DIRFLAG_REG): New macro.
11295 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11296 (HI_REGISTER_NAMES): Add dirflag.
11297 (DEBUF_PRINT_REG): Handle dirflag.
11298 * i386.md (type attribute): New cld and str types.
11299 (length_opcode attribute): Set cld and str to 1.
11300 (memory attribute): Set str to unknown - it is not clear from the
11302 (pent_np function unit): Prefixed string operations takes 12 cycles
11303 minimally; cld takes 2 cycles.
11304 (ppro_uops attribute): Str is "many" and cld is "few".
11305 (ppro_p0 unit): Handle cld here.
11306 (k6_alux unit): Handle cld and str types.
11307 (k6_load unit): It is ocupied by str opcodes.
11308 (k6_store unit): It is ocupied by str opcodes.
11309 (athlon_decode): Str is vector decoded.
11310 (athlon_ieu): Handle str and cld.
11311 (cld pattern): New.
11312 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11313 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11314 cmpstrsi_nz_1 insn): Do not output cld instruction
11316 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11318 * gcc.texi (G++ and GCC): Add Java and Chill.
11319 (Bug Critera): Don't list languages.
11321 * gcc.texi (Incompatibilities): No longer claim most C compilers
11324 * gcc.texi (G++ and GCC): Update other front-ends list.
11326 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11328 * i386.c (ix86_expand_setcc): Fix typo.
11329 (ix86_expand_movcc): Similarly.
11331 * Band-aid until haifa's bitset implementation is nuked.
11332 * haifa-sched.c (extract_bitlst): New parameter for size of the
11333 bitset in bits. All callers changed. Avoid looking at undefined
11334 bits in the bitset.
11335 (edgeset_bitsize): New variable.
11336 (schedule_region): Initialize edgeset_bitsize.
11338 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11340 * Makefile.in (optabs.o): Depend on real.h
11341 (resource.o): Depend on insn-attr.h
11343 * builtins.c (result_vector): Wrap prototype in macro conditions
11344 governing definition and use.
11346 * c-common.c: Include tm_p.h.
11348 * c-lex.c: Likewise.
11350 * elfos.h: Constify a char*.
11352 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11353 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11354 parameter with ATTRIBUTE_UNUSED.
11356 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11359 * haifa-sched.c (schedule_insns): Mark parameter with
11362 * optabs.c: Include real.h.
11364 * real.h (ereal_atof): Add prototype arguments.
11366 * resource.c: Include insn-attr.h.
11368 * sdbout.c (sdbout_queue_anonymous_type,
11369 sdbout_dequeue_anonymous_types): Wrap in macro
11370 SDB_ALLOW_FORWARD_REFERENCES.
11371 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11374 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11376 * stupid.c: Include tm_p.h.
11378 * tree.c (real_value_from_int_cst): Mark parameter with
11381 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11383 * i960-protos.h: New file.
11385 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11388 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11390 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11392 * combine.c (expand_field_assignment): Do not discard SUBREGs
11393 while computing nonzero_bits.
11395 2000-01-09 Nick Clifton <nickc@cygnus.com>
11397 * config/arm/arm.c: Fix compile time warnings about signed vs
11398 unsigned constants.
11399 * config/arm/arm.h: Fix compile time warnings about signed vs
11400 unsigned constants.
11402 2000-01-09 Philip Blundell <philb@gnu.org>
11404 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11405 than `ldm' with only one register.
11406 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11409 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11412 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11414 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11417 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11419 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11420 assignment used as truth value.
11422 * function.c (assign_temp): Mark parameter `dont_promote' with
11423 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11424 PROMOTE_FOR_CALL_ONLY.
11426 * genrecog.c (write_subroutine): Mark variable `operands' with
11429 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11432 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11433 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11435 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11438 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11440 * config/c4x.h: Tidy up comments.
11441 * config/c4x.c: Likewise.
11443 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11445 * fold-const.c (lshift_double, rshift_double): Handle
11446 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11448 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11450 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11451 in prepare_function_start().
11453 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11455 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11456 longer allocate extra stack for function calls.
11458 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11460 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11462 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11464 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11466 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11468 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11469 * aix43.h: Revert Aug 2 change.
11470 (HAS_INIT_SECTION): Define, not visible yet.
11471 (LD_INIT_SWITCH): Define, not visible yet.
11472 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11474 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11476 * collect2.c (main): Expand ld2 size further.
11477 (export_object_lst): Cast assignment to avoid warning.
11478 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11479 (scan_prog_file, COFF): Do not collect initialization or
11480 finalization functions generated for entire shared object if
11481 init/fini support present.
11483 2000-01-07 Nick Clifton <nickc@cygnus.com>
11485 * config/elfos.h: Tidy up formatting of marcos. Make sure
11486 that .section directives are always prefixed by a tab.
11488 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11491 2000-01-07 Matt Austern <austern@sgi.com>
11493 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11496 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11498 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11500 (crtbegin.o, s-crtS): Likewise.
11502 2000-01-06 Richard Henderson <rth@cygnus.com>
11504 * alpha.md (adddi_2+1): Limit offset such that it will be
11505 loadable with a single ldah+lda pair.
11506 (adddi_2+2): Explicitly fail split if we can't make it work.
11508 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11510 * protoize.c: Conditionally include unistd.h.
11511 (IS_SAME_PATH_CHAR): New macro.
11512 (IS_SAME_PATH): New macro.
11513 (CPLUS_FILE_SUFFIX): New macro.
11514 (cplus_suffix): New static variable.
11515 (is_abspath): New static function.
11516 (in_system_include_dir): Handle DOS style pathnames.
11517 (file_could_be_converted): Likewise.
11518 (file_normally_convertible): Likewise.
11519 (directory_specified_p): Likewise.
11520 (file_excluded_p): Likewise.
11521 (abspath): Likewise.
11522 (shortpath): Likewise.
11523 (referenced_file_is_newer): Likewise.
11524 (save_def_or_dec): Likewise.
11525 (do_processing): Likewise.
11527 (edit_file): Likewise. Use rename instead of link.
11528 (rename_c_file): Likewise. Don't rename syscalls file.
11529 (munge_compile_params): Define null device for DOS based systems.
11530 (process_aux_info_file): Use binary mode if appliable.
11531 (edit_file): Likewise.
11532 * invoke.texi (Running Protoize): Document C++ suffixes used.
11534 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11535 IS_DIR_SEPARATOR macros.
11536 * collect2.c: Likewise.
11537 * cppinit.c: Likewise.
11538 * dwarf2out.c: Likewise.
11540 * gcov.c: Likewise.
11541 * prefix.c: Likewise.
11543 * toplev.c: Likewise.
11544 * system.h: And move to here.
11546 * prefix.c (update_path): Fix typo in variable name.
11548 2000-01-06 Richard Henderson <rth@cygnus.com>
11550 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11551 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11552 (count_reg_sets_1, count_reg_references): Likewise.
11553 (flow_loops_level_compute): Start counting actual loop depth at 1.
11554 (flow_loops_find): Likewise.
11555 * local-alloc.c (update_equiv_regs): Likewise.
11556 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11558 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11560 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11561 FIRST_PSEUDO_REGISTER
11562 * dwarf2out.c: Don't include frame.h
11563 * dwarfout.c: Likewise
11564 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11567 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11569 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11572 * i386.c (movsf splitter): Fix typo in my last checkin.
11574 2000-01-05 Nick Clifton <nickc@cygnus.com>
11576 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11577 own definition of this macro.
11578 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11579 flag_data_sections or UNIQUE_SECTION_P are true.
11581 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11582 unitialised data decls.
11584 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11585 being called for uninitialised data.
11587 * config/i386/interix.c (i386_pe_unique_section): Cope with
11588 being called for uninitialised data.
11590 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11591 for uninitialised data.
11593 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11594 for uninitialised data.
11596 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11597 for uninitialised data.
11599 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11600 (UNIQUE_SECTION_P): Always generate a unique section if
11601 flag_data_sections is true.
11602 (UNIQUE_SECTION): Also generate unique sections for
11603 uninitialised data.
11604 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11605 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11608 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11610 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11613 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11615 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11616 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11617 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11618 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11619 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11621 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11623 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11625 * c-decl.c (finish_enum): Simplify code to determine minimum and
11626 maximum values of the enum, and calculate the type. Remove check
11627 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11628 the DECL_INITIAL of each enumeration constant with a copy converted
11629 to the enumeration type. When updating variant types, don't bother
11630 updating the type itself.
11632 * c-typeck.c (build_binary_op): Simplify conditional expressions
11633 when weeding out spurious signed-unsigned warnings. Add new
11634 spurious warning category: if the unsigned quantity is an enum
11635 and its maximum value fits in signed_type(result_type). Update
11637 (build_conditional_expr): Warn here if one alternative is signed
11638 and the other is unsigned.
11640 2000-01-05 Nick Clifton <nickc@cygnus.com>
11642 * config/fr30/fr30.h: Remove extraneous comments.
11644 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11646 * reload1.c (choose_reload_regs): When disabling a reload, also
11647 set reload_spill_index to -1.
11649 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11651 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11653 (m68*-*-rtemself*): New target.
11654 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11655 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11656 (sparc*-*-rtemself*): New target.
11657 (sparc*-*-rtems*): Now elf not a.out.
11658 * config/i386/rtems.h: Include config/rtems.h.
11659 * config/i386/rtemself.h: Include config/rtems.h.
11660 * config/i960/rtems.h: Include config/rtems.h.
11661 * config/m68k/rtems.h: Include config/rtems.h.
11662 * config/m68k/rtemself.h: Include config/rtems.h.
11663 * config/mips/rtems64.h: Include config/rtems.h.
11664 * config/pa/rtems.h: Include config/rtems.h.
11665 * config/rs6000/rtems.h: Include config/rtems.h.
11666 * config/sh/rtems.h: Include config/rtems.h.
11667 * config/sh/rtemself.h: Include config/rtems.h.
11668 * config/sparc/rtems.h: Include config/rtems.h.
11669 * config/sparc/rtemself.h: Include config/rtems.h
11671 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11673 * final.c (shorten_branches): Correctly compute length of
11674 asms without operands.
11676 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11678 * configure.in: Add pj target.
11679 * configure: Regenerate.
11680 * config/pj: New directory.
11681 * config/pj/lib1funcs.S: New file.
11682 * config/pj/linux.h: New file.
11683 * config/pj/pj.c: New file.
11684 * config/pj/pj.md: New file.
11685 * config/pj/pjl.h: New file.
11686 * config/pj/t-pj: New file.
11687 * config/pj/xm-pj.h: New file
11689 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11691 * toplev.c (rest_of_compilation): Run shorten-branches before
11694 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11696 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11697 macros so that they're consistent with their names.
11698 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11699 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11701 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11703 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11704 modified inadvertently.
11706 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11708 * configure.in (v850*-*-rtems*): New target.
11709 * configure: Regenerate.
11710 * config/v850/rtems.h: New file.
11712 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11714 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11715 (__gthread_key_create): Likewise.
11716 (__gthread_key_dtor): Likewise.
11717 (__gthread_once): Fix logic.
11718 (__gthread_key_delete): Cast away constness.
11720 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11721 * invoke.texi: Document.
11722 * i386/mingw32.h (CPP_SPEC): Use.
11723 (LIBGCC_SPEC): Likewise.
11724 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11726 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11728 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11729 (HANDLE_PRAGMA_PACK): Undefine.
11730 (SLOW_UNALIGNED_ACCESS): Define.
11732 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11734 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11735 to default definition.
11736 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11737 (store_fixed_bit_field): Call macro with word_mode and alignment.
11738 (extract_bit_field): Call macro with relevant mode and alignment.
11739 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11740 to default definition.
11741 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11743 (move_by_pieces_ninsns): Likewise.
11744 (clear_by_pieces): Likewise.
11745 (emit_push_insn): Likewise.
11746 (store_field): Call macro with relevant mode and alignment.
11747 (expand_expr): Likewise.
11748 (expand_expr_unaligned): Likewise.
11750 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11751 (SLOW_UNALIGNED_ACCESS): Define.
11752 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11753 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11754 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11755 (toc_section): Likewise and .toc pseudo-op.
11756 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11758 (TEXT_SECTION_ASM_OP): Likewise.
11759 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11762 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11763 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11764 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11765 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11766 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11768 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11770 * regclass.c: Revert my Jan 4 change to loop cost computation.
11772 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11774 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11777 2000-01-04 Stan Cox <scox@cygnus.com>
11779 * haifa-sched.c (build_control_flow): Change unreachable simple
11780 loop test to check if current block has only one predecessor.
11781 (find_rgns): Initialize degree. Use dest as degree index, not src.
11783 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11785 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11787 * calls.c (expand_call): Likewise for
11788 `old_stack_arg_under_construction'.
11790 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11792 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11795 * gcc.c (execute): Likewise for `ut' and `st'.
11797 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11799 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11801 * jump.c (jump_optimize_1): Likewise for `temp2'.
11803 * local-alloc.c (block_alloc): Likewise for `r1'.
11805 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11807 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11808 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11810 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11813 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11814 and `goal_earlyclobber'.
11816 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11818 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11820 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11822 * unroll.c (copy_loop_body): Likewise for `copy'.
11824 * varasm.c (output_constructor): Likewise for `byte'.
11826 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11828 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11829 all FP constants for constant->reg moves.
11830 (ix86_split_to_parts): Try to convert memory address into immediate
11831 when available in the constant pool.
11832 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11834 (LEGITIMATE_CONSTANT_P): Return 1.
11835 * i386.md (pushsf): New splitter to convert constant pool memory
11836 reference to immediate.
11837 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11840 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11842 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11843 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11844 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11845 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11846 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11848 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11850 * ginclude/stdbool.h: Support compilation as C++.
11852 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11854 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11856 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11858 * regclass.c (regclass): Properly compute loop_cost. Adjust
11861 * regclass.c: Fix minor whitespace problems.
11863 2000-01-03 Anthony Green <green@cygnus.com>
11865 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11866 Restore the pic register if required.
11868 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11870 * c-common.c (format_char_info): Update comment.
11871 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11872 was recognized. Emit warning for formats new in ISO C99 only
11873 if flag_isoc9x is not set.
11875 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11877 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11879 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11881 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11882 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11883 (make_compound_operation): Choose cheaper alternative between
11884 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11886 * regclass.c (op_costs): Remove global variable.
11887 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11888 (record_operand_costs): Break out from ...
11889 (scan_one_insn): ... here.
11890 (dump_regclass): Make dumps nicer.
11891 (regclass): Dump preferrences choosed and changes done during passes.
11893 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11895 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11897 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11899 * config/sparc/sparc.c (gen_df_reg): New function.
11900 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11901 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11902 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11903 movtf_cc_reg_sp64+1): Use it.
11905 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11907 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11908 copied LABEL_DECLs.
11910 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11912 * config/i386/i386.c (ix86_expand_unary_operator): Function
11913 definition made void.
11914 (ix86_expand_binary_operator): Update outdated preceding comment.
11915 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11918 * config/i386/i386.c (override_options): Fix option-name typo.
11920 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11922 * system.h (CEIL): Define.
11923 * builtins.c (CEIL): Remove.
11924 * expmed.c (CEIL): Likewise.
11925 * expr.c (CEIL): Likewise.
11926 * stor-layout.c (CEIL): Likewise.
11928 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11930 * expr.c (store_constructor_field): Fix typo introduced with last
11933 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11935 * tree.h (BINFO_N_BASETYPES): New macro.
11937 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11939 * expmed.c (emit_store_flag): Prevent losing a pending stack
11940 adjust the same way we prevent losing queued increments.
11942 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11944 * function.c (update_temp_slot_address): Handle case where sum of
11945 temporary address plus offset in register is a valid address.
11947 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11949 * genrecog.c (change_state) Corrected typo.
11951 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11953 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11954 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11955 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11957 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11959 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11960 case, expand GT comparisons correctly. Fix a comment before this
11963 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11965 * dwarfout.c: Include "frame.h"
11966 * dwarf2out.c: Likewise.
11967 * Makefile.in (dwarfout.o): Depend on frame.h
11968 (dwarf2out.o): Likewise.
11970 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11972 Restore i386 binary compatibility in Dwarf EH info.
11973 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11974 value of FIRST_PSEUDO_REGISTER.
11975 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11976 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11977 * dwarfout.c (output_reg_number): Ditto.
11978 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11979 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11981 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11983 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11984 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11985 (<hack>_RE_CT): not needed
11986 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11987 rewritten to scan the file text once only
11988 "template<..." test added
11989 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11990 (is_cxx_header): declaration added
11991 * fixinc/fixtests.c(is_cxx_header): removed
11992 (apply_fix_p_t): removed
11993 (double_slash_test): is_cxx_header is only called once now
11994 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11995 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11996 within the templates.
11997 The borken spelling of "broken" was fixed.
11998 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11999 The default level depends on FIXINC_DEBUG.
12001 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12003 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12004 Otherwise provide a declaration for atexit.
12005 (init_dummy): Make sure dummy call to atexit is nevertheless
12006 called with correct number of args.
12008 * frame.c: Update comments referring to other files.
12010 * libgcc2.c: Likewise.
12012 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12014 * cse.c (free_element, get_element): Remove unused prototypes.
12016 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12019 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12022 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12024 * configure.in,configure: case arm for mn10200-*-* now sets
12025 float_format=i32 so that float.h will correctly claim "double"
12026 to be 32 bits. Ran autoconf to generate configure from .in file.
12028 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12030 * pa.md (conditional zero): If op1 is a register, force it into
12031 the same register as op0.
12033 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12035 * tree.h (BINFO_BASETYPES): Improve documentation.
12037 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12039 * configure.in (--enable-checking): Use a more portable `for'
12042 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12044 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12045 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12047 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12050 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12051 Delete descriptions.
12053 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12054 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12055 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12056 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12057 xm-svr4.h: Remove all instances of sys_siglist handling.
12059 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12061 * config/sparc/sparc.md (cmp_zero_qi,
12062 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12063 cmp_zero_extendqidi2_andcc_set): New patterns.
12065 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12067 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12068 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12069 (fpgnulib.c, xfgnulib.c): Add rules.
12070 * m68k/t-mot3300-gas: Likewise.
12072 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12074 * configure.in: Avoid [[ by using test and changequote. Add
12075 changequote required by 1999-12-14 change.
12076 * configure: Rebuild.
12078 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12080 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12082 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12084 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12085 * flow.c (find_use_as_address): Likewise.
12086 * function.c (fixup_var_refs_1): Likewise.
12087 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12088 * jump.c (invert_exp, redirect_exp): Likewise.
12089 * loop.c (replace_call_address): Likewise.
12090 (count_nonfixed_reads): Likewise.
12091 * rtlanal.c (modified_between_p): Likewise.
12092 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12093 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12094 * unroll.c (remap_split_bivs): Likewise.
12096 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12098 * diagnostic.c (v_message_with_decl): Use .* format specifier
12099 instead of building the format specifier width manually.
12101 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12102 determining whether to provide a prototype. Remove the
12103 sys_siglist clause in the conditional.
12105 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12107 * fold-const.c (operand_equal_p): Use memcmp to compare string
12109 Suggested by D. J. Bernstein
12111 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12113 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12114 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12116 * config/mips/mips.h (TARGET_64BIT): Likewise.
12117 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12118 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12119 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12120 dsps. Give routines proper names if SI/DI modes are not used.
12121 * longlong.h: Use DWunion instead of DIunion.
12123 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12125 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12126 GC_CHECKING, GC_ALWAYS_COLLECT.
12127 * configure.in: Allow --enable-checking with an argument
12128 listing check modes to enable.
12129 * config.in, configure: Rebuilt.
12130 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12131 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12132 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12133 ENABLE_GC_ALWAYS_COLLECT.
12134 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12136 * tree.h, tree.c: Change ENABLE_CHECKING to
12137 ENABLE_TREE_CHECKING throughout.
12139 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12141 * fold-const.c (fold_truthop): Properly check for FP RHS.
12143 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12145 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12146 * toplev.c (note_deferral_of_defined_inline_function): New
12147 function, split out from ...
12148 (rest_of_compilation): ... here. Use it.
12150 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12152 * expr.c (store_constructor): Don't call clear_storage if size is
12155 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12157 * Makefile.in (toplev.o): Depend on loop.h.
12159 * dwarfout.c: Include tm_p.h.
12161 * emit-rtl.c (restore_emit_status): Mark parameter with
12164 * final.c (final_scan_insn): Likewise.
12166 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12167 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12168 flow_depth_first_order_compute, flow_loop_pre_header_find,
12169 flow_loop_tree_node_add, flow_loops_tree_build,
12170 flow_loop_level_compute, flow_loops_level_compute,
12171 flow_loop_outside_edge_p): Add prototypes.
12172 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12174 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12175 Mark with ATTRIBUTE_NORETURN.
12177 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12179 * local-alloc.c (no_conflict_p): Likewise.
12181 * loop.c (insert_bct): Hide definitions of variables with hidden
12183 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12185 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12186 with ATTRIBUTE_UNUSED.
12187 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12188 (reg_scan): Likewise.
12190 * reload.c (find_reloads): Remove unused variables `changed'.
12192 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12194 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12195 Remove unused variable `insn'.
12197 * toplev.c: Include loop.h.
12198 (report_file_and_line): Remove unnecessary prototype.
12200 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12202 * unroll.c (biv_total_increment): Likewise.
12204 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12206 * reload1.c (emit_input_reload_insns): Restore old behaviour
12207 wrt. 'special' reloads.
12209 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12211 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12212 hash.h. (cse.c): Don't depend on hashtab.h.
12214 * cse.c: Don't include hashtab.h.
12215 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12217 * ggc-simple.c: Don't include hash.h.
12219 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12221 * dwarf2out.c (add_abstract_origin_attribute): Call
12222 gen_abstract_function on our function context.
12224 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12226 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12228 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12230 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12233 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12235 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12236 constraints to "a!r".
12238 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12240 * Makefile.in (calls.o): Depend on function.h.
12241 (alias.o): Likewise.
12243 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12245 * reload1.c (emit_reload_insns): Break out code and variables into...
12246 (input_reload_insns, other_input_address_reload_insns,
12247 other_input_reload_insns, input_address_reload_insns,
12248 inpaddr_address_reload_insns, output_reload_insns,
12249 output_address_reload_insns, outaddr_address_reload_insns,
12250 operand_reload_insns, other_operand_reload_insns,
12251 other_output_reload_insns): ... new static variables, and...
12252 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12253 do_output_reload): ... new functions.
12255 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12257 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12259 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12261 * md.texi: Add c4x constraints documentation.
12263 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12265 * config/i386/dgux.c (struct option): Rename to
12266 lang_independent_option.
12267 (struct m_options): Add description field.
12268 (output_options): Rename option type, add sep declaration, output
12269 ix86_cpu_string and ix86_arch_string only if set.
12270 (output_file_start): Rename option type.
12272 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12274 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12276 (libgcc2.a): Similarly.
12278 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12280 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12281 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12282 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12284 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12286 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12287 Remove redundant initialization of "frexpon" and "expon".
12289 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12291 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12293 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12294 (store_constructor_field, expand_expr): Pass new arg.
12296 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12298 * Makefile.in (explow.o): Depend on function.h.
12300 * stor-layout.c (set_sizetype): Fix typo.
12302 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12304 * function.c (cfun): Renamed from current_function. All users
12306 * function.h (cfun): Rename declaration as well.
12308 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12309 to be of type regset_head, not regset. All users changed by adding
12311 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12313 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12315 * config/c4x/rtems.h: New file.
12317 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12319 * reload1.c (spill_failure): Take class of failed reload as argument
12320 and print it. Caller changed.
12322 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12324 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12325 (TARGET_SWITCHES): Allow subtargets to default switches.
12326 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12328 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12330 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12333 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12335 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12336 * cppinit.c (cpp_handle_option): Likewise.
12338 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12339 determine when to define.
12341 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12343 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12344 cmove with mismatched test and data modes.
12346 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12348 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12351 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12353 * alias.c: Minor reformatting.
12354 * flow.c: Likewise.
12355 * regs.h: Likewise.
12356 * stor-layout.c: Likewise.
12357 * fold-const.c: Likewise.
12358 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12359 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12361 (size_int_wide): Cache nodes even if garbage collecting.
12362 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12363 of SAVE_EXPR has no side effects.
12364 * cse.c: Move a comment.
12365 * tree.c: Minor reformatting.
12366 (int_size_in_bytes): Return -1 if constant overflows.
12368 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12370 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12372 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12374 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12375 after any change to c-parse.in, even if objc-parse.y didn't
12378 1999-12-18 David S. Miller <davem@redhat.com>
12380 * toplev.c (rest_of_compilation): Restore BLOCK tree
12381 reconstruction and branch shortening changes lost in
12382 December 18th change.
12384 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12386 * config/arm/linux-elf.h: Change all instances of
12387 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12388 * config/arm/uclinux-elf.h: Likewise.
12390 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12392 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12393 v_message_with_decl, file_and_line_for_asm,
12394 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12395 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12396 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12397 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12398 pfatal_with_name, fatal_io_error, need_error_newline,
12399 last_error_function, last_error_tick, announce_function,
12400 default_print_error_function, print_error_function,
12401 report_error_function, fnotice, error_with_file_and_line,
12402 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12403 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12404 warning_with_decl, warning_for_asm, warning, pedwarn,
12405 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12407 (compile_file): Use fnotice instead of notice. Adjust call.
12409 * diagnostic.c: New file.
12411 * Makefile.in (OBJS): Include diagnostic.o
12412 (diagnostic.o): Define dependence.
12414 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12416 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12419 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12421 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12423 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12425 * fixtests.c (is_cxx_header): New fn, split out of
12427 (else_endif_label): Allow "#endif // comment" in C++ headers,
12428 as determined by is_cxx_header.
12429 * fixfixes.c (else_endif_label_fix): Update comment.
12430 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12432 * genfixes: Correct double thinko in commandline parsing.
12433 * hackshell.tpl: Generate correct sh syntax for bypass
12436 * inclhack.def (all): Whenever an inserted preprocessor
12437 conditional is split over multiple lines, use double
12438 backslashes in this file so the fixed header will be readable.
12440 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12441 and add bypass entry for correct version of this header.
12442 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12443 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12445 (hpux8_bogus_inlines): New fix, split from...
12446 (ultrix_atof_param) ... here.
12447 (math_expression): Add bypass entry keyed to glibc comment
12448 indicating the problem has been dealt with; disable
12449 unnecessary sed operations; update commentary.
12450 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12451 add select and bypass entries, simplify shell operation.
12452 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12454 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12455 ultrix_atof_param): Add select entry.
12456 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12457 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12458 comments with the fixes they describe.
12460 * c-parse.in (string action): Do not warn about ANSI string
12461 concatenation in system headers. Affects C parser only.
12462 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12464 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12466 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12467 compiling libgcc2 the macro depends always on arch cpp defines.
12469 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12471 * loop.c (insert_loop_mem): Don't record MEMs from inside
12474 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12476 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12478 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12479 notes too, create one when replacement failed, attempt to simplify
12481 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12482 or REG_EQUIV notes.
12484 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12486 * crtstuff.c (__dso_handle): Declare.
12487 (__cxa_finalize): Likewise.
12488 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12491 * invoke.texi: Document -fuse-cxa-atexit.
12493 * tree.h (ptr_type_node): Document.
12494 (const_ptr_type_node): Likewise.
12496 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12498 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12499 (optimize_reg_copy_2): Likewise.
12500 (optimize_reg_copy_3): Likewise.
12501 (fixup_match_2): Likewise.
12502 (regmove_optimize): Likewise.
12503 (fixup_match_1): Liekwise.
12505 * i386.md (HI to SImode promoting splitters): Rewrite.
12506 (pushsf mem peep2): New.
12507 (testhi to andhi peep2): Remove.
12508 * i386.h (x86_promote_QImode): New.
12509 (TARGET_PROMOTE_QImode): New.
12510 (PREDICATE_CODES): Add promotable_binary_operator.
12511 * i386.c (x86_promote_QImode0: New.
12512 (promotable_binary_operator): New.
12513 * i386-protos.h (promotable_binary_operator): New.
12515 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12517 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12519 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12521 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12522 * function.c (insert_block_after_note): Remove.
12523 (retrofit_block): Likewise.
12524 (identify_blocks): Fix indentation.
12525 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12526 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12527 * function.h (insert_block_after_note): Remove prototype.
12528 (retrofit_block): Likewise.
12529 * integrate.c (expand_inline_function): Don't call
12530 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12531 just expand_start_bindings. Use the block_map to remap old
12532 NOTE_BLOCKs to new ones.
12533 (integrate_decl_tree): Keep track of remapped blocks.
12534 * integrate.h (struct inline_remap): Add block_map.
12535 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12536 NOTE_BLOCK on the notes.
12537 (expand_start_bindings): Rename to ...
12538 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12539 (expand_end_bindings): Set NOTE_BLOCK.
12540 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12541 reconstruct the BLOCK tree.
12542 * tree.h (expand_start_bindings): Macroize. Call ...
12543 (expand_start_bindings_and_block): New function.
12545 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12547 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12548 to match the format.
12550 1999-12-16 David S. Miller <davem@redhat.com>
12552 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12553 the outputs is a SUBREG.
12554 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12557 * config/sparc/sparc.c (epilogue_renumber): Add default case
12560 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12562 * toplev.c (rest_of_compilation): Run branch shortening after
12565 * regclass.c (loop_depth): Remove
12566 (scan_one_insn): Do not handle LOOP_NOTE insns.
12567 (regclass): Go through basic blocks and set loop_cost
12569 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12571 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12573 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12575 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12576 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12577 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12579 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12581 * loop.c (insert_loop_mem): Ignore memory clobbers.
12583 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12586 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12588 * profile.c: Remove redundant #include "output.h".
12590 * h8300.md (HImode preinc peephole): Fix typo.
12592 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12594 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12595 (insert_block_after_note): Abort if we don't have a previous block.
12596 Remove FN parameter.
12597 * function.h: Adjust.
12599 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12601 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12602 argument more than once.
12604 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12606 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12608 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12610 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12612 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12614 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12615 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12616 update stack_alignment_needed.
12617 (prepare_function_start): Initialize stack_alignment_needed
12618 * function.h (struct function): Add field stack_alignment_needed.
12620 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12622 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12623 Handle live_throughout / dead_or_set instead of live_before /
12625 (save_call_clobbered_regs): Get register livenessinformation from
12626 chain->live_throughout.
12627 (add_stored_regs): New function.
12628 (insert_restore, insert_save): Add restored / saved registers to
12630 * global.c (reg_dies): New parameter chain.
12631 (reg_becomes_live): Third parameter is regs_set now.
12632 Changed all callers.
12633 (reg_dies): New parameter chain. Changed all callers.
12634 (build_insn_chain): Set live_throughout instead of
12635 live_before / live_after.
12636 * reload.h (struct insn_chain): Replace members live_before /
12637 live_after with live_throughout / dead_or_set.
12638 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12639 instead of live_before / live_after.
12640 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12641 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12642 (choose_reload_regs_init): Likewise.
12643 * stupid.c (current_chain, find_clobbered_regs): Delete.
12644 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12645 instead of chain->live_before / chain->live_after.
12646 (mark_hard_ref): New function.
12647 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12649 1999-12-15 David S. Miller <davem@redhat.com>
12651 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12653 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12655 * flow.c (calculate_loop_depth): Make global, remove prototype,
12656 rewrite to use new loop infrastructure.
12657 (find_basic_block): Remove calculate_loop_depth call.
12658 * toplev.c (rest_of_compilation): Call find_basic_block.
12659 * output.h (calculate_loop_depth): Declare.
12661 * flow.c (dump_flow_info): Dump loop_depth.
12662 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12664 (flow_loops_find): Initialize the loop_depth for each basic block.
12666 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12668 * tree.c (decl_function_context): Handle virtual functions.
12670 * tlink.c (scan_linker_output): Don't look in demangled name when
12671 looking for linker output keywords.
12673 * dwarfout.c (output_type): We can defer namespace-scope classes.
12675 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12677 * regclass.c (record_reg_classes): Update comment for merging
12678 register class preferences in reg->reg copies. Tighten conditions
12679 for merging register class preferences in reg->reg copies.
12681 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12683 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12685 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12687 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12688 (INIT_SECTION_ASM_OP): Delete.
12689 (FINI_SECTION_ASM_OP): Delete.
12690 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12692 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12694 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12695 the abstract origin wasn't emitted.
12697 * dwarf2out.c (class_scope_p): New fn.
12698 (gen_subprogram_die): Use it.
12699 (gen_variable_die): Use it. Tweak logic.
12700 (gen_struct_or_union_type_die): Check context_die to determine
12701 if we're function-local.
12702 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12704 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12706 * loop.c (check_dbra_loop): Can't reverse a biv that has
12707 maybe_multiple set.
12709 1999-12-14 Nick Clifton <nickc@cygnus.com>
12711 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12714 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12716 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12717 for givs made from biv increments.
12719 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12721 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12722 * alpha.c (override_options): Recognize -mcpu=ev67.
12723 * alpha.h (CPP_CPU_EV67_SPEC): New.
12724 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12725 (EXTRA_SPECS): Update.
12727 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12729 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12730 appropriate for -lang-c89 and -std=*.
12731 * cppinit.c (cpp_handle_option): Likewise.
12732 (new_pending_define): New, split out from cpp_handle_option.
12733 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12734 or enable trigraphs for -ansi/-std=*.
12736 * ginclude/stdarg.h (__va_copy): New.
12737 (va_copy): Don't define for C89.
12739 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12741 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12742 for long long multiply-accumulate.
12744 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12746 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12747 optimizing for size.
12749 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12751 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12752 if something changed. Back out that part of yesterday's changes.
12754 * loop.c (loop_max_reg): New static variable.
12755 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12757 (scan_loop): Call reg_scan_update whenever we may have added new
12758 registers, and update loop_max_reg.
12760 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12762 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12763 when source does not die.
12765 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12767 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12769 * config/sparc/linux64.h (TARGET_LIVE_G0,
12770 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12772 * config/sparc/linux.h (TARGET_LIVE_G0,
12773 TARGET_BROKEN_SAVERESTORE): Likewise.
12774 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12775 TARGET_BROKEN_SAVERESTORE): Likewise.
12777 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12778 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12780 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12781 as sparc64 block profiling register.
12782 * config/sparc/sparc.c (sparc_override_options): Allow block
12783 profiling with -m32.
12784 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12785 profiling register.
12786 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12787 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12788 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12790 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12792 * config/sparc/sparc.h: Likewise.
12793 * config/sparc/xm-sysv4-64.h: Likewise.
12794 * config/float-sparc.h: Likewise.
12795 * glimits.h: Likewise.
12796 * longlong.h: Likewise.
12798 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12799 (ASM_IDENTIFY_GCC): Remove.
12801 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12803 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12804 (simplify_logical): Likewise.
12806 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12808 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12809 * cppfiles.c (INO_T_EQ): Likewise.
12811 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12813 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12814 * i386/mingw32.h (LIB_SPEC): Likewise.
12815 (STARTFILE_SPEC): Likewise.
12816 * i386/uwin.h (LIB_SPEC): Likewise.
12817 (STARTFILE_SPEC): Likewise.
12819 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12820 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12822 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12824 * combine.c (combine_simplify_rtx): Fix order of checks for
12825 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12827 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12829 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12830 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12832 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12834 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12836 * regclass.c (inv_reg_alloc_order): New array.
12837 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12839 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12840 counted_for_groups, counted_for_nongroups. Add fields rld and
12842 * reload.c (push_secondary_reload): Don't set nongroup field of
12844 (push_reload): Likewise.
12845 (find_reloads): Delete code to compute nongroup fields.
12846 * reload1.c (reload_insn_firstobj): New static variable.
12847 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12849 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12850 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12851 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12853 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12855 (struct hard_reg_n_uses): Deleted.
12856 (potential_reload_regs): Deleted.
12857 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12858 (reload): Don't try to allocate reload registers if we already know
12859 we have to make another pass. Call select_reload_regs. Free memory
12860 starting with reload_firstobj when starting another pass.
12861 Don't allocate spilled_pseudos.
12862 (calculate_needs_all_insns): Call copy_reloads for an insn that
12863 needs reloads; don't call calculate_needs.
12864 (spill_cost): New static array.
12865 (used_spill_regs_local): New static variable.
12866 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12867 to compute potential_reload_regs.
12868 (find_reload_regs): Completely rewritten to use find_reg.
12869 (allocate_reload_reg): Don't test counted_for_groups or
12870 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12871 all cllers changed.
12872 (choose_reload_regs): Add fallback code that uses the existing
12873 register allocation from find_reload_regs.
12875 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12877 * flow.c (create_edge_list): Cast xmalloc return value.
12879 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12881 * doprnt.c: Remove incorrect comment closure.
12883 * cse.c: Fix a few minor whitespace goofs.
12885 1999-12-13 Don Bowman <don@pixstream.com>
12887 * mips/vxworks.h: Fix problem with comment termination.
12888 (EXTRA_SECTIONS): Add in_sbss.
12889 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12891 1999-12-12 David S. Miller <davem@redhat.com>
12893 * cse.c (struct cse_reg_info): Add hash_next member,
12894 reorder rest of struct for better packing on 64-bit
12896 (cse_reg_info_tree): Kill.
12897 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12898 REGHASH_FN): New custom pow2 hash mechanism.
12900 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12901 use a pow2 hash table.
12902 (get_cse_reg_info): Rework to use new REGHASH.
12903 (new_basic_block): Likewise, use HASH_SIZE, and inline
12905 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12906 and inline free_element call.
12907 (lookup_as_function, insert, flush_hash_table, invalidate,
12908 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12909 invalidate_for_call, use_related_value, find_comparison_args,
12910 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12911 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12912 get_element): Kill.
12914 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12916 * cse.c (cse_basic_block): Free qty_table consistently.
12918 1999-12-12 David S. Miller <davem@redhat.com>
12919 Jakub Jelinek <jakub@redhat.com>
12921 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12922 SUBREGs by hand, gen the appropriate hard reg directly.
12923 (movtf reg/mem split): Likewise and alter_subreg on destination
12925 (movtf mem/reg split): Similarly.
12926 (movdf_cc_sp64): Rename from hidden pattern.
12927 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12928 (movtf_cc_sp64, following split): New pattern and splitter.
12929 (movdf_cc_reg_sp64): Rename from hidden pattern.
12930 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12932 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12934 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12936 * loop.c (load_mems): Don't hoist written floating point mem
12939 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12941 * except.h (struct eh_queue): Add `next' pointer.
12942 (struct eh_status): Make x_ehqueue a pointer.
12943 (push_ehqueue): Declare.
12944 (pop_ehqueue): Likewise.
12945 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12947 (expand_fixup_region_end): Likewise.
12948 (expand_leftover_cleanups): Likewise.
12949 (push_ehqueue): Define.
12950 (pop_ehqueue): Likewise.
12951 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12952 than doing it inline.
12953 (expand_start_all_catch): Adjust now that ehqueue is a
12955 (mark_eh_queue): Mark all level of the queue.
12956 (mark_eh_status): Adjust now that ehqueue is a
12958 (init_eh_for_function): Allocate ehqueue.
12959 (free_eh_status): Free it.
12960 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12961 expansion for a fixup.
12963 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12965 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12967 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12968 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12969 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12970 function_ptr, getpagesize, __enable_execute_stack,
12971 __enable_execute_stack, __clear_insn_cache,
12972 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12973 _cleanup, _exit, __default_terminate, __terminate_func,
12974 __terminate, __empty, __throw, new_eh_context,
12975 eh_context_initialize, eh_context_static, eh_context_specific,
12976 get_eh_context, __get_eh_context, __get_eh_info,
12977 init_reg_size_table, eh_threads_initialize,
12978 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12979 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12980 __pure_virtual): Add prototype arguments.
12981 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12982 Cast a signed value to unsigned long when comparing against one.
12983 (new_eh_context): Wrap in _GTHREADS macro.
12984 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12986 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12987 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12989 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12991 * combine.c (record_promoted_value): Remove unused variable
12994 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12996 * global.c (record_conflicts): Likewise for `j'.
12998 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13001 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13003 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13004 output_fp_compare): Constify a char*.
13006 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13008 (override_options, ix86_comp_type_attributes, print_operand,
13009 output_387_binary_op, output_fix_trunc, output_fp_compare):
13011 (ix86_sched_reorder): Mark parameter `clock_var' with
13014 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13016 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13018 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13019 operand, for use in the Java front-end.
13021 1999-12-10 Ben Collins <bcollins@debian.org>
13023 * configure.in: Fix typo for "-64" in 64bit as check.
13024 * configure: Rebuilt.
13026 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13028 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13031 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13033 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13034 concatenation is utilized.
13036 * invoke.texi (-Wtraditional): Document it.
13038 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13040 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13041 Cast a ptrdiff_t to long and pass it to printf with %ld.
13043 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13045 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13046 68881, we have no 68881 registers at all.
13047 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13048 value in a 68881 register if it is available.
13050 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13052 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13053 for long long multiply-accumulate.
13055 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13057 * loop.c (insert_loop_mem): Undo last change.
13059 1999-12-10 David S. Miller <davem@redhat.com>
13061 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13063 * config/sparc/sparc-protos.h: Add them.
13064 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13065 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13066 constraints which use those helpers.
13067 (EXTRA_CONSTRAINT): Use this new macro.
13068 * md.texi: Update sparc target constraints documentation.
13069 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13070 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13071 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13072 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13073 (movsf high/lo_sum split): Rework for new patterns.
13074 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13076 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13078 * c-common.c (c_common_nodes_and_builtins):
13079 Create __builtin_ptrdiff_t and __builtin_size_t.
13081 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13083 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13085 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13087 * regclass.c (globalize_reg): Re-instate test that allows
13088 fixed registers to be declared as a variable even after functions
13091 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13093 * i386.md (cpu attribute): Add "athlon".
13094 (athlon_decode): New attribute.
13095 (Athlon scheduling units definitions): New.
13096 (fcmp and shld patterns): Set athlon_decode to "vector".
13097 * i386.c (athlon_cost): New.
13099 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13100 x86_use_sahf): Set for Athlon.
13101 (x86_use_fiop): Unset for Athlon.
13102 (override_options): Define Athlon alignments and "athlon" name.
13103 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13104 * i386.h (TARGET_ATHLON): New.
13105 (enum processor_type): Add PROCESSOR_ATHLON.
13106 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13108 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13110 1999-12-09 Andreas Jaeger <aj@suse.de>
13112 * loop.c (record_biv): Declare parameter as int.
13114 * config/i386/i386-protos.h: Declare long_memory_operand.
13116 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13118 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13119 EXPR_WITH_FILE_LOCATION.
13121 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13123 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13126 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13128 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13131 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13133 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13134 default on linux64 again.
13135 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13136 models for multilibing.
13137 * genmultilib: Accept | as alternative separator within a set in
13140 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13142 * calls.c (precompute_arguments): Make sure initial_value contains
13143 value pseudo which CSE expects.
13144 * cse.c (struct set): New entry orig_src.
13145 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13148 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13150 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13152 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13154 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13156 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13158 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13159 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13161 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13164 * longlong.h: Merge in changes from glibc.
13165 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13166 -mno-app-regs libgcc can be compiled.
13167 * libgcc2.c: Add defines so that the updated longlong.h
13168 can be used in libgcc2.a. Also, make sure on most architectures
13169 (at least on all which have optimized code in longlong.h defined
13170 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13172 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13174 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13175 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13176 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13178 * configure: Rebuilt.
13180 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13182 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13183 outputs require a register.
13185 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13187 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13188 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13189 functions like dptoul will be resolved.
13190 (libgcc2.a): Make sure that the object files from DPBIT are named
13191 differently (prefix `_dp') from those that would be coming from
13194 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13196 * configure.in: When target is sparc* and tm_file contains 64,
13197 test for 64bit support in assembler. If not supported, remove
13198 sparc/t-sol2-64 from target-dependent Makefile fragments.
13199 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13200 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13201 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13202 * acconfig.h (AS_SPARC64_FLAG): Added.
13203 * configure, config.in: Rebuilt.
13204 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13205 support. Use AS_SPARC64_FLAG.
13207 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13209 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13210 suitable for holding OFmode values so that gcc works with complex
13212 (hard_64bit_mode_classes): Likewise.
13214 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13215 so that it is actually matched.
13216 (sethi_di_medlow): Likewise.
13218 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13219 as legitimate constant if -mvis.
13220 * config/sparc/sparc.md (movtf): Likewise.
13221 (clear_sf): Use const_double_operand.
13222 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13224 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13225 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13226 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13227 routines, _Qp_* cannot be handled like that now.
13228 (INIT_TARGET_OPTABS): Likewise.
13229 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13230 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13231 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13232 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13233 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13234 divtf3, sqrttf3): New expanders.
13235 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13236 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13237 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13240 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13241 * configure: Rebuilt.
13242 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13243 -mcpu is given and we're doing 64bit compiles.
13245 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13247 * loop.h (struct induction): Add multi_insn_incr.
13248 * loop.c (basic_induction_var): New multi_insn_incr argument.
13249 Set it if we search back through previous insns for the biv.
13250 (record_biv): New multi_insn_incr argument; fill in struct induction.
13251 (strength_reduce): Discard an iv with multiple bivs, any of
13252 which require multiple insns to increment.
13254 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13256 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13259 1999-12-06 David S. Miller <davem@redhat.com>
13261 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13262 PROMOTE_FUNCTION_RETURN.
13264 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13266 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13267 and handle REG_UNUSED note on insn.
13269 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13270 inner_mask instead of mask.
13272 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13274 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13275 zero if there was an error.
13277 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13279 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13282 * longlong.h: Fix clobbers in SPARC asm statements.
13284 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13285 valid sethi operations when TARGET_ARCH64.
13287 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13288 always use move_by_pieces to avoid infinite recursion.
13289 (restore_fixed_argument_area): Likewise.
13291 * combine.c (check_promoted_subreg, record_promoted_value): New
13293 (combine_instructions): Use them to retain nonzero and sign bit
13294 information after SUBREGs are eliminated by optimizations in
13295 this pass if PROMOTE_FUNCTION_RETURN.
13297 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13298 .register declaration. Don't use variables with __ prefixes.
13300 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13302 * fold-const.c (optimize_bit_field_compare): Only use one mode
13303 for both RHS and LHS in non-constant case.
13305 1999-12-06 Nathan Sidwell <nathan@acm.org>
13307 * frame.c (start_fde_sort): Only allocate erratic array, if
13308 linear one was allocated. Return allocated flag.
13309 (fde_insert): Only insert, if there's a valid array.
13310 (fde_end_sort): Split, sort and merge if linear and erratic
13311 arrays exist, else just sort linear one.
13312 (search_fdes): New function. Linear search through original fde
13314 (frame_init): Permit multiple initializations. Cope with
13316 (find_fde): Fallback on linear search, if failed to sort array.
13317 (__deregister_frame_info): Only free sorted array, if we
13320 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13322 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13324 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13326 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13328 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13330 * tree.h (special_function_p): Declare.
13331 * calls.c (special_function_p): Make it global. Don't take `name'
13332 as a parameter. Fix typo in 1999-11-28 change.
13333 (expand_cal): Adjust.
13335 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13337 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13338 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13339 EXPR_WFL_FILENAME_NODE.
13340 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13342 * print-tree.c (print_note): Print TREE_PRIVATE and
13345 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13346 the original die cannot be found.
13348 * varray.h (varray_head_tag): Add elements_used.
13349 (VARRAY_PUSH): New macro.
13350 (VARRAY_POP): Likewise.
13351 (VARRAY_TOP): Likewise.
13352 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13354 * varray.c (varray_init): Initialize elements_used.
13355 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13356 (INTEGRATE_H): New variable.
13357 (integrate.o): Depend on INTEGRATE_H.
13358 (unroll.o): Likewise.
13360 * function.h (insert_block_after_note): Declare.
13361 * function.c (insert_block_after_note): Split out from ...
13362 (retrofit_block): ... here.
13364 * stmt.c (expand_fixup): Fix typo in comment.
13366 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13368 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13369 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13370 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13371 (regmove_optimize, fixup_match_1): Likewise.
13373 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13375 * flow.c (flow_loops_dump): Add missing argument when calling
13376 flow_loop_nested_p.
13378 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13379 Greg McGary <gkm@gnu.org>
13381 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13382 (init_attributes): Add A_NO_LIMIT_STACK.
13383 (decl_attributes): Handle A_NO_LIMIT_STACK.
13384 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13385 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13386 Handle stack bounds checking.
13387 * flags.h (flag_stack_check): Use the word 'probe' rather than
13388 'check', because the flag doesn't actually cause any checking to
13390 * function.c (expand_function_start): Set
13391 current_function_limit_stack.
13392 * function.h (struct function): Add limit_stack.
13393 (current_function_limit_stack): Define.
13394 * invoke.texi (Code Gen Options): Document new options.
13395 * rtl.h: Declare stack_limit_rtx.
13396 * toplev.c (stack_limit_rtx): New variable.
13397 (decode_f_option): Handle new options -fstack-limit-register=REG,
13398 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13399 (main): Add stack_limit_rtx as GC root.
13400 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13401 (struct tree_decl): New member no_limit_stack.
13403 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13405 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13406 (conditional_trap+1): Get new mnemonic correct.
13407 (conditional_trap+2): New pattern for DImode traps.
13409 * config/m68k/m68k.c (output_function_prologue): Handle
13411 * config/m68k/m68k.md (trap): New insn.
13412 (conditional_trap): New insn.
13413 * md.texi (Standard Names): Document `trap' and
13414 `conditional_trap'.
13415 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13416 so a cc0 setter doesn't get emitted at some random place in the
13419 * config/i960/i960.md (trap): New insn.
13420 (conditional_trap): New expander.
13421 (conditional_trap+1, conditional_trap+2): New insns for signed
13422 and unsigned cases.
13423 * config/i960/i960.c (i960_function_prologue): Use
13424 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13426 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13427 Geoffrey Keating <geoffk@cygnus.com>
13429 * flags.h (warn_padded, warn_packed): Add global var decls.
13430 * toplev.c (warn_padded, warn_packed): Add global var defns.
13431 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13432 * stor-layout.c (layout_record): Add local variable `type'
13433 to hold often-used TREE_TYPE (field). Add local variable
13434 `unpacked_align' to hold alignment that would be in force
13435 if no `packed' attribute were present. Warn if `packed' attribute
13436 is unnecessary, or even harmful. Warn when gcc inserts padding
13437 to satisfy alignment requirements of members. Use NULL_TREE
13438 when checking whether var_size is set.
13439 * invoke.texi: Document new flags.
13441 1999-12-03 Nathan Sidwell <nathan@acm.org>
13443 * frame.c (fde_split): Reimplement to avoid variable sized array.
13445 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13447 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13448 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13450 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13452 * invoke.texi: Document the mips option -mno-crt0
13454 1999-12-02 Mike Karr <mkarr@mathworks.com>
13456 * cccp.c (argdata): Added free_ptr member.
13457 (macroexpand): Initialize free_ptr of each argument. When an
13458 argument's buffers are freed, if the argument's free_ptr corresponds
13459 to a buffer on the input stack, then return the free_ptr to that stack
13460 frame, otherwise, free it.
13461 (macarg): If an argument begins and ends on the same input stack level,
13462 then transfer the free_ptr of that buffer to the argument in case
13463 the stack is popped during the processing of a subsequent argument.
13465 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13467 * loop.c (note_reg_stored): New function.
13468 (struct note_reg_stored_arg): New structure.
13469 (try_copy_prop): Change to be more conservative; only replace within
13470 one extended basic block and stop replacing if a store to the
13471 replacement reg is seen.
13473 1999-12-02 Nick Clifton <nickc@cygnus.com>
13475 * config/fp-bit.c: Initialise all fields of the NAN
13478 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13481 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13483 * i386.md (extend?f?f2): Force the input into a register, not
13486 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13488 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13490 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13491 alternative because setting up 64bit constant is usually costly,
13492 especially when reload is in progress or completed.
13493 (movdf_const_intreg_sp64): Likewise.
13494 (movdf_const_intreg split): Fix building up constants when
13495 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13497 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13499 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13500 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13503 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13504 (asm_file_start): Emit .am33 into assembly file when compiling for
13506 (print_operand_address): Handle POST_INC addresses.
13507 (can_use_return_insn, initial_offset): Check AM33 registers too.
13508 (expand_prologue): Check & save AM33 registers too.
13509 (expand_epilogue): Similarly.
13510 (secondary_reload_class): Handle AM33 specific secondary reloads.
13511 (output_tst): Emit efficient code for the AM33 too.
13512 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13513 (TARGET_SWITCHES): Add -mam33 switch.
13514 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13515 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13516 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13517 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13518 (enum reg_class, REG_CLASS_NAMES): Likewise.
13519 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13520 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13521 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13522 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13523 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13524 (HAVE_POST_INCREMENT): Define.
13525 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13526 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13527 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13528 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13529 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13530 (zero_extend to SI from QI/HI): Likewise.
13531 (sign_extend to SI from QI/HI): Likewise.
13532 (mulsidi3, umulsidi3): New patterns for the AM33.
13533 (tstsi with zero extension from QI/HI): Add AM33 variants.
13534 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13535 (return_internal_regs, store_movm): Handle new AM33 registers.
13536 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13537 (LIBGCC, INSTALL_LIBGCC): Likewise.
13538 * invoke.texi: Document new flags.
13540 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13542 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13543 (addsi3_carry): Likewise.
13544 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13545 (sbbsi3_carry): Likewise.
13546 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13547 (mulhi3): Likewise.
13548 (test?i_1): Ensure that only one operand is memory.
13549 (conditional move patterns): likewise.
13550 (shift and rotate patterns): Rewrite to expander, add
13551 "binary_operator_ok" to the condition.
13553 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13554 * i386.h (procesor_costs): Add movzbl_load field.
13555 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13556 non-Q registers, accept DImode registers anywhere.
13558 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13559 * i386.c (*_cost): Set value for movxbl_load field.
13561 * (addsi): New add to lea splitter.
13562 (ashlsi): Likewise.
13563 (lea to add/shift peep2): New.
13565 1999-12-01 Mark Salter <msalter@cygnus.com>
13567 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13568 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13569 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13571 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13573 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13574 * i386.md (movsi_xor): New.
13576 (movsi_1, movhi_1, movqi_1): Remove.
13577 (movsi_2): Rename to movsi_1.
13578 (movhi_2): Rename to movhi_1.
13579 (movqi_2): Rename to movqi_1.
13580 (movdi_1): Remove; remove splitter.
13581 (movdi_2): Rename to movdi_1.
13582 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13583 (long move peep2): Do not create QI or HI mode mov0s
13584 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13586 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13589 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13590 (abs?f2_if): Likewise.
13592 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13594 * ggc.h (ggc_test_and_set_mark): New macro.
13595 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13596 (ggc_mark_tree): Likewise.
13597 (ggc_mark_rtvec): Likewise.
13598 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13600 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13602 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13604 (decl_scope_table): Just an array of trees now.
13605 (push_decl_scope): Simplify.
13606 (dwarf2out_init): Adjust.
13607 (local_scope_p): New fn.
13608 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13609 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13610 (gen_typedef_die): Likewise.
13611 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13612 (gen_inlined_subroutine_die): Likewise.
13613 (gen_abstract_function): Set current_function_decl temporarily.
13614 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13615 Handle block extern declarations. Don't call push/pop_decl_scope.
13616 (gen_decl_die): Fix logic for block externs.
13618 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13620 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13621 to the list of functions which have attribute malloc by default.
13623 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13625 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13626 integer constant does not match the traditional type, limit the
13627 warnings to cases where the base of the type is ten.
13629 * invoke.texi (-Wtraditional): Document it.
13631 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13633 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13634 * rs6000.md: Only access a CONST_INT with INTVAL
13636 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13638 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13639 (compute_nearerout): Likewise.
13640 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13641 size_t to unsigned long for formatting.
13643 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13645 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13646 Allow the user to override call-used/fixed state of %g2-5
13647 registers from the command line (with the exception of %g4 for
13649 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13650 there is a higher chance of having a leaf function.
13651 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13652 for ARCH64 which has %ccr register.
13653 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13655 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13656 insn accept into delay slot any insn which does not use %[ol]
13657 registers. Accept some LO_SUM and shift left by 1 for the normal
13659 (output_function_epilogue): Likewise.
13660 (epilogue_renumber): Added argument which inhibits any renumbering
13661 and just tests if the rtx does not use any %[ol] registers.
13662 (output_return): Reflect above change.
13664 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13666 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13667 aggregate passing for sizes <= 16 bytes.
13669 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13671 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13672 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13673 * reload.c (find_dummy_reload): Likewise.
13674 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13675 * reload1.c (reload_as_needed): Likewise.
13676 * stupid.c (stupid_find_reg): Likewise.
13677 * tm.texi (Obsolete Register Macros): Delete section.
13678 * gmicro.h: Remove all traces of the two macros.
13679 * i386.h: Likewise.
13680 * m88k.h: Likewise.
13681 * mips.h: Likewise.
13683 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13685 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13686 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13687 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13688 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13689 units for the sparclite86x chip.
13690 (flush): Revert October 14th change; add SImode specifically.
13691 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13692 * invoke.texi: Document it.
13694 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13696 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13697 psimode_truncation_operand.
13699 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13700 function. Return true if the operand is either a MEM valid
13701 for a PSImode address or not a MEM at all.
13703 * config/mn10200/mn10200.md (truncsipsi2): Use
13704 psimode_truncation_operand.
13706 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13708 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13709 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13710 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13711 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13712 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13713 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13714 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13715 * basic-block.h: Protect from multiple inclusion.
13716 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13717 (struct loops, struct loop): Define structures.
13718 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13719 * sbitmap.h: Protect from multiple inclusion.
13720 (sbitmap_a_subset_b_p): Add prototype.
13721 * Makefile.in (LOOP_H): New macro.
13722 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13724 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13726 * cppinit.c (CAT): The argument list of this macro may not contain
13729 1999-11-29 David S. Miller <davem@redhat.com>
13731 Move quantity tables and register equivalence chains into
13732 per-qty and per-register structure arrays respectively.
13733 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13734 qty_const_insn, qty_comparison_code, qty_comparison_const,
13735 qty_comparison_qty): Delete, replace with...
13736 (qty_table): this structure table.
13737 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13738 (reg_eqv_table): this structure table.
13739 (make_new_qty): Add argument MODE. Caller updated.
13740 Update to use qty_table and reg_eqv_table.
13741 (make_regs_eqv, delete_reg_equiv, insert_regs,
13742 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13743 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13744 cse_process_notes, cse_main, cse_basic_block): Likewise.
13746 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13748 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13749 operation if C is negative.
13750 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13751 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13752 law for some divisions if constant is negative and change other
13753 divisions to the opposite rounding.
13755 * expr.c (store_constructor_field): If bit position is not multiple
13756 of alignment of TARGET's mode, use BLKmode.
13758 * expr.c (expand_expr_unaligned): Add more code from full case
13759 that is needed when OP0 is in a register.
13761 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13763 * dwarfout.c (field_byte_offset): Size can be zero if there was
13766 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13768 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13769 (associate_trees): Delete unused var TEM.
13770 (extract_muldiv): Delete unused var CANCEL_P.
13772 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13773 (target_isinf, target_isnan, target_negative): Add return types to
13774 function definitions.
13776 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13778 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13779 * fixinc/hackshell.tpl: ditto
13780 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13781 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13783 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13785 * reload.c (push_reload): When looking for a register to put into
13786 reg_rtx, make sure all hard regs in a multi-reg register are in the
13787 right class and nonfixed.
13789 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13790 pending_read_insns, pending_write_insns, pending_read_mems,
13791 pending_write_mems, pending_list_length, last_pending_memory_flush,
13792 last_function_call, sched_before_next_call): Move static variables
13794 (bb_ prefixed versions): Replace with single array bb_deps.
13795 (struct deps): New structure.
13796 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13797 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13798 argument of type "struct deps *"; use that instead of global
13799 variables. All callers changed.
13800 (init_rgn_data_dependencies): Delete function.
13801 (init_rtx_vector): Delete function.
13802 (init_deps): New function.
13804 (free_pending_lists): Simplify, we always use the bb_deps array even
13805 if only one basic block.
13806 (compute_block_backward_dependences): Likewise.
13807 (schedule_region): Likewise.
13809 (propagate_deps): New function, broken out of
13810 compute_block_backward_dependences.
13811 (compute_block_backward_dependences): Use it.
13813 * alpha.md: Delete useless patterns that tried to work around
13814 register elimination problems.
13816 * unroll.c (loop_iterations): Don't abort if iteration variable
13819 From Joern Rennecke:
13820 * reload1.c (reloads_conflict): Reverse test comparing operand
13821 numbers when testing for conflict between output/outaddr reloads.
13823 1999-11-29 David S. Miller <davem@redhat.com>
13825 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13827 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13829 1999-11-28 Robert Lipe <robertl@cygnus.com>
13831 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13832 table from .fini into .dtor.
13834 1999-11-28 Anthony Green <green@cygnus.com>
13836 * tree.h (struct tree_decl): Add malloc_flag.
13837 (DECL_IS_MALLOC): Define.
13838 * c-common.c (attrs): Add A_MALLOC attribute.
13839 (init_attributes): Add this attribute to the table.
13840 (decl_attributes): Handle malloc attribute.
13841 * calls.c (special_function_p): Check for the malloc attribute.
13842 * extend.texi (Function Attributes): Document malloc attribute.
13844 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13846 * pa.md (reload shift-add patterns): Remove.
13848 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13850 * reorg.c (dbr_schedule) Print more statistics. Corrected
13851 problem when printing info when 3 delay slots are filled.
13853 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13855 * combine.c (setup_incoming_promotions): Pass an outgoing
13856 regno to FUNCTION_ARG_REGNO_P which it expects.
13858 1999-11-28 Andreas Jaeger <aj@suse.de>
13860 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13862 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13864 * cccp.c (do_include): Avoid initialization of automatic variable.
13866 * integrate.c (mark_stores): Function definition made void, to match
13867 previous declaration.
13868 * regclass.c (dump_regclass): Ditto.
13869 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13871 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13873 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13874 known to be multiple of divisor.
13876 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13878 * combine.c (try_combine): Add code to try to merge a set of a
13879 two-word pseudo to a constant with a setting of one of those words
13882 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13883 (split_tree): Completely rework to make more general.
13884 (make_range, fold): Call negate_expr.
13885 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13886 (fold, associate): Call new split_tree and associate_trees.
13887 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13889 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13891 * loop.c (try_copy_prop): Avoid GNU C extension.
13893 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13895 * except.c (init_eh_for_function): Still zero eh_return_context,
13896 eh_return_stack_adjust, and eh_return_handler.
13898 * except.h (eh_status): Adjust documentation for x_protect_list.
13899 (begin_protect_partials): New function.
13900 * except.c (enqueue_eh_entry): Fix formatting.
13901 (get_first_handler): Add consistency check.
13902 (add_partial_entry): Adjust usage of protect_list.
13903 (emit_cleanup_handler): Save and restore ehqueue.
13904 (expand_start_all_catch): Add comment.
13905 (begin_protect_partials): New function.
13906 (end_protect_partials): Adjust usage of protect_list.
13907 (init_eh_for_function): Use xcalloc.
13909 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13911 * c-common.c (check_format_info): Don't call a variadic function
13912 with a non-literal format string.
13914 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13916 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13917 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13920 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13923 * collect2.c (collect_wait): Likewise.
13925 * dbxout.c (dbxout_type): Likewise.
13927 * gcc.c (do_spec_1): Likewise.
13929 * genemit.c (gen_insn, gen_expand): Likewise.
13931 * genrecog.c (write_switch, write_subroutine): Likewise.
13933 * mips-tfile.c (catch_signal, botch): Likewise.
13935 * print-rtl.c (print_rtx): Likewise.
13937 * toplev.c (default_print_error_function, report_error_function,
13938 _fatal_insn): Likewise.
13940 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13942 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13944 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13946 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13947 operations when needed.
13948 * i386.md (fop_?f_comm): New.
13949 (fop_?f_1): Do not accept commutative operands.
13951 1999-11-25 Andreas Jaeger <aj@suse.de>
13953 * config/mips/mips.md (casesi_internal): Add missing brace.
13955 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13957 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13958 (splice_child_die): Handle moving a child DIE from the declaration
13959 DIE of a class to its specification.
13960 (gen_struct_or_union_type_die): Use 'complete' consistently.
13961 (gen_decl_die): Generate the virtual context DIE first.
13962 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13964 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13966 * config/mips/mips.md (call_value_multiple_interanal1): New.
13968 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13970 * dwarf2out.c (free_AT, free_die): New fns.
13971 (remove_children): Call them.
13972 (output_line_info): Disable removal of duplicate notes.
13974 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13975 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13976 means pretend the type isn't defined.
13977 Don't defer emitting types.
13978 (gen_type_die_for_member): New fn.
13979 (gen_decl_die): Call it.
13980 (splice_child_die): New fn.
13981 (gen_member_die): Call it rather than generate duplicate dies.
13983 Defer emitting information for the abstract instance of an inline
13984 until we either inline it or emit an out-of-line copy.
13985 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13986 from output_inline_function if DECL_ABSTRACT is also set.
13987 (block_ultimate_origin): Likewise.
13988 (gen_abstract_function): New fn.
13989 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13990 (gen_subprogram_die): An abstract instance is not a declaration
13991 just because it doesn't match current_function_decl. Don't abort
13992 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13993 has an abstract origin.
13994 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13995 abstract instance here.
13997 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13999 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14000 where we need to reload fpul from a system register.
14002 1999-11-24 Andreas Jaeger <aj@suse.de>
14004 * config/mips/linux.h (CPP_PREDEFINES): Added.
14005 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14007 1999-11-24 Andreas Jaeger <aj@suse.de>
14009 * config/mips/linux.h (TARGET_VERSION): Added.
14010 (HANDLE_SYSV_PRAGMA): Added.
14011 (DEFAULT_VTABLE_THUNKS): Added.
14013 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14015 * local-alloc.c (qty): New structure and static variable.
14016 (qty_phys_reg): Remove, all references changed to qty.
14017 (qty_n_refs): Likewise.
14018 (qty_min_class): Likewise.
14019 (qty_birth): Likewise.
14020 (qty_death): Likewise.
14021 (qty_size): Likewise.
14022 (qty_mode): Likewise.
14023 (qty_n_calls_crossed): Likewise.
14024 (qty_alternate_class): Likewise.
14025 (qty_changes_size): Likewise.
14026 (qty_first_reg): Likewise.
14027 (alloc_qty): Rename variable QTY to QTYNO.
14028 (finf_free_reg): Likewise.
14029 (local_alloc): Allocate qty, do not allocate the removed variables.
14031 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14033 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14034 when -membedded-pic is passed.
14036 * config/mips/mips.md (casesi): Handle 64-bit case too.
14037 (casesi_internal_di): New insn.
14039 * config/mips/mips.c (embedded_pic_offset): Always make the
14040 embedded-pic subtractions relative to the name of the current
14041 function by use of the magic string "..CURRENT_FUNCTION".
14042 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14044 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14046 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14047 of (const_int 0), when what we really care about is
14048 whether it's a zero constant anyway.
14049 (div_trap_mips16): Likewise.
14051 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14053 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14054 unroll_block_trees when generating debuggable code.
14056 * tree.h (unsave_expr_1): New function.
14057 (lang_unsave): New variable.
14058 (get_callee_fndecl): New function.
14059 * tree.c (unsave_expr_now_r): New function.
14060 (lang_unsave): Define.
14061 (unsave_expr_1): Likewise.
14062 (unsave_expr_now_r): Split out from unsave_expr_now.
14063 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14064 call unsave_expr_now_r.
14065 (get_callee_fndecl): Define.
14067 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14068 (gencheck.o): Do depend on lang_tree_files.
14070 * integrate.h (copy_decl_for_inlining): New declaration.
14071 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14072 (copy_decl_for_inlining): New function.
14073 (integrate_parm_decls): Use it.
14074 (integrate_decl_tree): Likewise.
14076 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14078 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14079 the second two from the first.
14080 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14081 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14082 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14084 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14085 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14088 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14090 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14091 needed on the address operand.
14092 * pa.c (call_operand_address): Check for the correct mode.
14094 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14096 * loop.c: Include "basic-block.h".
14097 (try_copy_prop, replace_loop_reg): New functions.
14098 (load_mems): Detect registers that just hold copies of the hoisted
14099 mem, and call try_copy_prop to eliminate them.
14100 * Makefile.in (loop.o): Update dependencies.
14102 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14104 * Makefile.in (gencheck.o): Depend on gencheck.h.
14105 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14106 (insn-peep.o): Depend on except.h and function.h.
14107 (insn-attrtab.o): Depend on RECOG_H.
14108 (insn-output.o): Depend on toplev.h and flags.h.
14109 (gengenrtl.o): Depend on real.h.
14110 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14111 Unify all dependencies to be on RECOG_H rather than recog.h.
14113 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14115 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14116 * configure.in: Try building a bi-arch 32/64-bit compiler on
14117 sparc-*-solaris2.7 and higher.
14118 * configure: Rebuild.
14120 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14122 * config/freebsd.h: New, FreeBSD architecture independent file.
14123 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14124 independent pieces.
14125 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14126 directly by i386/freebsd.h.
14127 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14128 independent configuration file.
14129 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14130 directly by i386/freebsd.h.
14131 * configure: Rebuilt.
14133 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14134 which is in the user's namespace.
14135 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14136 `i386' which is not in our namespace.
14138 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14140 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14142 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14144 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14145 (add_dwarf_attr, add_child_die): Just push onto the front.
14146 (reverse_die_lists): New fn.
14147 (add_sibling_attributes): Use it.
14148 (push_decl_scope): Reorganize.
14149 (add_name_and_src_coords_attributes): Don't set file and line for
14150 an artificial decl.
14151 (gen_subprogram_die): An artificial function doesn't need to match
14153 (gen_compile_unit_die): Return the generated die. Only add
14154 AT_comp_dir if the filename is relative.
14155 (remove_AT): Simplify loop. Also free string values.
14156 (output_die): A DIE ref can't be null.
14157 (output_value_format, value_format): Take a dw_attr_ref.
14158 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14159 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14160 AT_addr, AT_lbl): New fns.
14161 (various): Use them.
14162 (various): Constify.
14164 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14166 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14167 take SUBREG_WORD into account.
14168 (if_then_else_cond): Likewise.
14170 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14172 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14173 clause from BSD license, pursuant with
14175 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14177 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14179 * loop.c (load_mems): Reformat slightly.
14180 * basic-block.h (regset_head): New typedef.
14181 (INIT_REG_SET): New macro.
14183 1999-11-22 Bruce Korb <autogen@linuxbox.com
14185 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14186 (mips-dec-bsd*): non-functional code
14187 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14189 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14190 added three replacement fixes
14191 (no_double_slash): removed comments that are not (any longer) pertinent
14192 (bad_lval): this fix currently runs against many files.
14193 The comment seems to indicate that we should select for files
14194 containing 'pragma extern_prefix'.
14196 * fixinc/fixinc.x86-linux-gnu: deleted
14197 * fixinc/inclhack.sh: regen
14198 * fixinc/fixincl.x: regen
14199 * fixinc/fixincl.sh: regen
14201 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14203 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14204 its code is INSN and it has no notes.
14206 1999-11-22 Andrew Haley <aph@cygnus.com>
14208 * varasm.c (function_defined): Remove.
14209 (make_function_rtl): Don't set function_defined.
14210 (make_decl_rtl): Remove global register warning.
14211 * regclass.c (no_global_reg_vars): New variable.
14212 (globalize_reg): Warn if function has already been defined.
14213 (regclass_init): Set no_global_reg_vars.
14215 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14217 * regclass.c (reg_pref): New structure and static variable
14218 (prefclass): Delete.
14219 (altclass): Delete.
14220 (all uses of prefclass and altclass): Use reg_pref instead.
14222 1999-11-21 Nick Clifton <nickc@cygnus.com>
14224 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14226 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14227 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14228 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14230 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14232 * varasm.c (output_constructor): Solve problem with long long
14233 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14235 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14237 * global.c (allocno): New structure and static variable.
14238 (allocno_reg): Remove, all references replaced by allocno.
14239 (allocno_size): Likewise.
14240 (hard_reg_conflicts): Likewise.
14241 (hard_reg_preferences): Likewise.
14242 (hard_reg_copy_preferences): Likewise.
14243 (hard_reg_full_preferences): Likewise.
14244 (regs_someone_prefers): Likewise.
14245 (allocno_calls_crossed): Likewise.
14246 (allocno_n_refs): Likewise.
14247 (allocno_live_length): Likewise.
14248 (find_reg): Rename ALLOCNO to NUM.
14250 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14251 references updated.
14252 (may_move_out_cost): New variable.
14253 (init_reg_sets_1): Initialize may_move_out_cost.
14254 (record_reg_classes): Use may_move_out_cost.
14256 * regclass.c (dump_regclass): New function.
14257 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14258 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14259 pass rtl_dump_file to regclass.
14260 * rtl.h (regclass): Update prototype.
14262 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14264 * i386.md (neg, not and abs patterns): Revmap to use
14265 ix86_expand_unary_operator and ix86_unary_operator_ok.
14266 (add?f and sub?f expanders): Force operand 1 to register.
14267 * i386.c (ix86_expand_unary_operator): Rewrite.
14268 (ix86_unary_operator_ok): Ensure that memory operands
14270 (ix86_binary_operator_ok): Do not allow operand 1 to
14271 come into memory and operand 0 not.
14272 (ix86_expand_binary_operator): Ensure that
14273 src1 is not non-matching memory.
14275 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14276 to support integer registers and memory.
14277 (abss?2_integer): Likewise.
14279 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14280 (REG_CLASS_NAMES): Likewise.
14281 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14283 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14284 (movsf): Likewise; unify 4th and 5th alternative.
14285 (pushdf): Likewise.
14286 (movdf_1): Likewise; rename to movdf_integer.
14287 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14288 remove redundant splitter.
14289 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14290 (movdf_nointeger): New.
14291 (movxf_nointeger): New.
14292 (pushxf_nointeger): New.
14294 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14295 memory operands in patterns.
14296 (fop*): Refuse two memory operands.
14298 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14299 on !TARGET_USE_CLTD CPUs.
14301 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14303 * extend.texi: Document C++ restricted pointers and references.
14305 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14307 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14308 (invalidate_skipped_set): Call it unconditionally.
14309 (cse_set_around_loop): Likewise.
14311 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14313 * rtl.texi (mem): Add documentation for alias-set argument
14316 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14318 * i386.h (struct_processor_costs): New fields int_load, int_store,
14319 fp_move, fp_load and fp_store
14320 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14322 (MEMORY_MOVE_COST): New macro.
14323 * i386.c (386_cost): Define new fields.
14324 (i486_cost): Likewise.
14325 (pentium_cost): Likewise.
14326 (pentiumpro_cost): Likewise.
14327 (k6_cost): Likewise.
14329 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14330 Geoffrey Keating <geoffk@cygnus.com>
14332 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14334 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14337 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14338 (TARGET_STRICT_ALIGNMENT): New macro.
14339 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14340 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14341 * invoke.texi (M680x0 Options): Document -mstrict-align.
14343 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14344 Richard Henderson <rth@cygnus.com>
14346 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14347 (ix86_split_long_move): Declare.
14348 * i386.c (split_xf, ix86_split_movdi): Remove.
14349 (ix86_split_to_parts, ix86_split_long_move): New.
14350 * i386.md (dimode move splitters): Use ix86_split_long_move.
14351 (dfmode move splitters): Likewise.
14352 (xfmode move splitters): Likewise.
14353 (movsf_1): Allow F->r.
14354 (movdf_1, movxf_1): Allow F->ro.
14356 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14358 * except.h (struct eh_entry): Add goto_entry_p.
14359 (eh_region_from_symbol): Remove prototype.
14360 * except.c (find_func_region_from_symbol): New function.
14361 (emit_cleanup_handler): Likewise.
14362 (eh_region_from_symbol): Make it static.
14363 (add_new_handler): Verify the argument.
14364 (find_func_region): Update comment.
14365 (expand_eh_region_end): Expand handlers here, rater than waiting
14366 until expand_leftover_cleanups or start_all_catch.
14367 (expand_leftover_cleanups): Don't expand here.
14368 (expand_start_all_catch): Or here.
14369 (expand_rethrow): Check the return value from find_func_region.
14370 * function.c (expand_function_end): Emit the catch_clauses.
14372 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14374 * integrate.c (expand_inline_function): Add necessary check for NULL.
14376 1999-11-18 Nick Clifton <nickc@cygnus.com>
14378 * toplev.c (main): Correctly detect an unrecognised option.
14380 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14381 a -f option if it has not been recognised.
14383 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14385 * basic-block.h (update_life_extent): Remove trailing comma on
14386 enumeration type list.
14388 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14390 * varasm.c (output_constructor) Solved problem with long long
14391 bitfields. Corrected calculating this_time and shift. Also
14392 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14394 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14396 * flow.c (split_edge): Take looping structure into account when
14397 determining where to put the new block note.
14399 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14401 * Makefile.in (ggc-none.o): Provide host specific version if
14404 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14406 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14407 containing subregs too.
14409 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14411 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14412 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14413 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14414 (text_section): Add switches -munint-const-in-rodata and
14415 -mno-uninit-const-in-rodata.
14416 (ASM_OUTPUT_COMMON): Remove.
14417 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14418 const objects should be placed in read-only data. Otherwise declare
14421 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14423 * jump.c (jump_optimize_1): Revert last change.
14425 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14427 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14428 test if optimizing for size.
14430 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14432 * Makefile.in (toplev.o): Depend on except.h.
14433 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14435 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14437 * i386.md (divmodsi4): Rewrite to expander.
14438 (*divmodsi4_nocltd): New.
14439 (*divmodsi4_cltd): New.
14440 (divmodsi4 splitter): Handle the case when input comes in edx.
14441 (udivmodhi4): Do not use constraints in exander.
14442 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14444 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14446 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14447 for the common case.
14449 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14451 * explow.c (hard_function_value): Add outgoing argument.
14452 * expr.h (hard_function_value): Declare it.
14453 * calls.c (expand_call, emit_library_call_value): Update callers.
14454 * function.c (aggregate_value_p): Ditto.
14455 (diddle_return_value): Must look at the outgoing registers
14456 on archs with register windows.
14458 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14460 * alpha.c (alpha_build_va_list): Use make_lang_type and
14461 initialize TYPE_NAME for the va_list record.
14463 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14465 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14467 * ggc.h (struct ggc_statistics): Rearrange elements for better
14468 packing on 64-bit hosts.
14469 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14470 (compute_nearerout): Likewise.
14472 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14474 * config/rs6000/rs6000.c (first_reg_to_save): Save
14475 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14477 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14479 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14480 notion of nesting to find the DIE for a type or function.
14481 DIEs can go in limbo even if we got a context_die.
14482 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14483 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14485 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14486 (gen_type_die): Writing out the context doesn't cause member class
14487 template instantiations to be written out as well.
14489 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14491 * rs6000.h (ASM_OUTPUT_DEF): New.
14492 Based on proposed addition from David Edelsohn.
14494 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14495 Bruce Korb <autogen@linuxbox.com>
14497 * fixinc/inclhack.def
14498 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14499 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14501 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14502 (svr4_endian): enabled with SVR5
14503 (svr4_mkdev): simplified syntax and enabled with SVR5
14505 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14507 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14508 * configure: Rebuilt.
14509 * config/t-freebsd-thread: New file.
14511 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14513 * i386.c (ix86_decompose_address): Verify the base is a REG
14514 before trying to examine its register number.
14516 * basic-block.h: Remove all #defines and prototypes related to
14518 (free_bb_mem, compute_preds_succs): Remove prototype.
14519 * rtl.h (free_bb_mem): Remove prototype.
14520 * flow.c (alloc_int_list_node); Remove function.
14521 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14522 (compute_preds_succs, free_bb_mem): Likewise.
14523 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14524 * toplev.c (rest_of_compilation): Likewise.
14525 * haifa-sched.c (build_control_flow): Use flow generated edge
14526 list to build the haifa specific edge list.
14527 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14528 (schedule_insns): Do not build pred/succ lists anymore. Instead
14529 build the edge table.
14531 * basic-block.h (dump_bb_data): Remove declaration.
14532 * flow.c (dump_bb_data): Remove function.
14533 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14534 (sbitmap_union_of_predsucc): Likewise.
14536 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14537 argument. All callers changed.
14538 (delete_null_pointer_checks_1): No longer need to compute the
14541 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14542 All callers changed.
14543 (pre_expr_reaches_here_p_work): Likewise.
14544 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14545 * lcm.c (compute_laterin): Fix initialization of LATER.
14546 (compute_nearerout): Similarly for NEARER.
14548 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14550 * cse.c (set_nonvarying_address_components): Delete unused function.
14551 (refers_to_p): Likewise.
14553 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14555 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14558 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14560 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14561 definition in do while (0).
14563 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14565 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14567 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14569 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14571 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14573 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14574 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14575 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14576 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14578 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14579 saved on the stack. Output more accurate stack frame statistics
14580 into assembler file.
14582 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14584 * genextract.c (record_insn_name): New function.
14585 (get_insn_name): No longer a stub.
14586 (main): Call record_insn_name for each insn. After each label
14587 written, print the insn name in a comment.
14589 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14591 * output.h (const_section, init_section, fini_section): Add
14594 * alpha/elf.h (const_section): Delete declaration.
14596 * svr4.h (const_section): Likewise.
14598 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14600 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14601 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14602 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14604 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14605 variable-sized array bounds.
14607 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14609 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14612 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14614 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14615 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14617 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14619 * cse.c (hash_arg_in_struct): Delete.
14620 (struct table_elt): Delete elt in_struct.
14621 (struct set): Delete elt src_in_struct.
14622 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14623 the corresponding in_struct elts.
14624 (canon_hash): Likewise.
14625 (safe_hash): Likewise.
14626 (find_best_addr): Likewise.
14627 (record_jump_cond): Likewise.
14628 (cse_insn): Likewise.
14630 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14632 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14634 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14637 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14639 * function.c (diddle_return_value): Put back check that the DECL_RTL
14640 for the function is a register.
14642 * function.c (diddle_return_value): Use hard_function_value to
14643 get an rtx suitable for use in the USE/CLOBBER insn.
14645 * global.c (global_conflicts): Update comments.
14646 (record_conflicts): No need to record conflicts between pseudos here.
14648 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14650 * fixinc/fixincl.c: Added verbose levels for status messages
14652 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14654 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14655 operand as argument to expand_and or expand_binop.
14657 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14659 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14660 gcc_add_string_root.
14662 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14664 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14666 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14668 * flow.c (compute_flow_dominators): Initially put all blocks on
14670 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14671 * gcse.c (compute_cprop_avinout): Remove.
14672 (compute_cprop_data): Use compute_available.
14673 (delete_null_pointer_checks_1): Use compute_available.
14675 * basic-block.h (compute_available): Returns a void now.
14676 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14677 to return a value anymore.
14678 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14679 worklists. Fix boundary cases. Compute maximal solutions.
14680 (compute_laterin, compute_nearerout): Similarly.
14682 * dwarf2out.c (add_AT_location_description): Allow
14683 (mem (plus (pseudo) (...)) too.
14685 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14687 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14689 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14690 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14692 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14694 * gansidecl.h: Likewise.
14700 * toplev.h: Likewise.
14702 * tree.c: Likewise.
14704 * tree.h: Likewise.
14706 * varray.c: Likewise.
14708 * varray.h: Likewise.
14710 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14712 * gcov.c (struct arcdata): Add hits and total, remove prob.
14713 (output_branch_counts): New.
14714 (process_args): Set output_branch_counts if -c.
14715 (calculate_branch_probs): Store hits and total instead of
14717 (output_data): Emit counts if output_branch_counts is true.
14718 * gcov.texi (Invoking Gcov): Document -c switch..
14720 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14722 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14723 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14725 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14727 * invoke.texi (C Dialect Options): Add missing builtins from
14728 c-common.c to list.
14729 * extend.texi (Other Builtins): Copy to this list.
14731 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14733 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14734 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14735 redundant bitmap.h.
14737 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14739 * flow.c (compute_flow_dominators): No longer treat basic block 0
14740 or (n_basic_blocks - 1) specially. Clear the AUX field before
14741 starting computation of doms/pdoms. Fix initial state for pdoms.
14743 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14745 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14746 match rtl.o's: added ggc.h and toplev.h
14747 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14748 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14749 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14751 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14753 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14754 from HAVE_DOS_BASED_FILESYSTEM.
14755 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14756 HAVE_DOS_BASED_FILESYSTEM.
14758 (split_directories): Only special-case DOS file names if
14759 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14760 instead of explicit tests. Conditionalize on !VMS.
14761 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14762 tests. Conditionalize on !VMS.
14763 (process_command): Only use make_relative_prefix if !VMS.
14764 (free_split_directories): Conditionalize on !VMS.
14765 (DIR_UP): Conditionalize on !VMS.
14767 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14769 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14771 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14773 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14776 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14778 * invoke.texi (Environment Variables): Document relative path
14780 * gcc.c (DIR_UP): If not defined, define as "..".
14781 (standard_bindir_prefix): New static, holds target location to
14783 (split_directories): New function to split a filename into
14784 component directories.
14785 (free_split_directories): New function, release memory allocated
14786 by split_directories.
14787 (make_relative_prefix): New function, make a relative pathname if
14788 the compiler is not in the expected location.
14789 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14790 can figure out an appropriate prefix from argv[0].
14791 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14792 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14793 STANDARD_BINDIR_PREFIX.
14795 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14797 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14799 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14800 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14801 c4x_secondary_memory_needed) Delete.
14802 (fp_zero_operand): Add mode argument.
14804 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14806 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14807 that is in reload_reg_used.
14809 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14811 * config/arm/arm-protos.h: New file: Prototypes for functions
14812 defined in arm.c and pe.c.
14813 * config/arm/arm.h: Fix compile time warnings.
14814 * config/arm/arm.c: Fix compile time warnings.
14815 * config/arm/pe.h: Fix compile time warnings.
14816 * config/arm/aout.h: Fix compile time warnings.
14818 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14820 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14823 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14824 Add support for subtargets.
14825 Add prototypes for new predicates.
14826 Add scheduling macros.
14828 * config/m32r/m32r.c: Fix compile time warnings.
14829 (int8_operand): New predicate function.
14830 (reg_or_cmp_int16_operand): New predicate function.
14831 (extend_operand): New predicate function.
14832 (m32r_adjust_code): New scheduling function.
14833 (m32r_adjust_priorty): New scheduling function.
14834 (m32r_sched_init): New scheduling function.
14835 (m32r_sched_reorder): New scheduling function.
14836 (m32r_sched_variable_issue): New scheduling function.
14837 (direct_return): New codegen function.
14838 (m32r_not_same_reg): New rtl testsing function.
14840 * config/m32r/m32r.md: Fix compile time warnings.
14841 Add support for pre decrement and post increment memory
14843 Add S<cc> patterns.
14846 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14848 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14849 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14850 (find_reg): Likewise.
14852 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14854 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14855 to avoid assembler errors.
14857 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14859 * config/v850/v850-protos.h: New file: Prototypes for functions
14861 * config/v850/v850.h: Move prototypes to v850-protos.h
14862 * config/v850/v850.c: Move prototypes to v850-protos.h
14863 * config/v850/v850.md: Fix compile time warnings.
14865 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14867 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14868 * config/fr30/fr30.c: Fix compile time warnings.
14869 * config/fr30/fr30.md: Fix compile time warnings.
14871 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14873 * tree.h (get_containing_scope): Declare it.
14874 * tree.c (get_containing_scope): New fucntion.
14875 (decl_function_context): Use it.
14876 * toplev.c (rest_of_compilation): Use get_containing_scope.
14878 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14880 * Makefile.in (rtl.o): Depend on toplev.h.
14882 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14884 * cse.c (delete_trivially_dead_insns): Replace alloca with
14886 * except.c (update_rethrow_references): Likewise.
14887 (init_eh_nesting_info): Likewise.
14888 * function.c (identify_blocks): Likewise.
14889 * gcse.c (dump_hash_table): Likewise.
14890 * graph.c (print_rtl_graph_with_bb): Likewise.
14891 * loop.c (combine_movables): Likewise.
14892 (move_movables): Likewise.
14893 (count_loop_regs_set): Likewise.
14894 (strength_reduce): Likewise.
14895 * profile.c (compute_branch_probabilities): New function, split
14897 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14898 * regclass.c (regclass): Likewise.
14899 * regmove.c (regmove_optimize): Likewise.
14900 * toplev.c (compile_file): Likewise.
14901 (main): Don't mess with the stack rlimit.
14903 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14905 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14906 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14908 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14910 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14912 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14914 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14915 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14918 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14920 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14922 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14924 * gcse.c (post_dominators): Kill.
14925 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14926 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14927 pass in a pdom array since we do not need pdoms.
14928 * haifa-sched.c (schedule_insns): Similarly.
14929 * flow.c (compute_dominators): Remove dead function.
14930 (compute_flow_dominators): Do not compute doms or pdoms if the
14931 caller does not request them. Split up loop to build doms and
14932 pdoms. Use a worklist to compute doms and pdoms.
14933 * basic-block.h (compute_dominators): Remove prototype.
14935 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14937 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14938 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14939 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14940 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14941 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14942 (schedule_region): Remove unused variable.
14943 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14945 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14947 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14948 (update_equiv_regs): Likewise.
14949 (block_alloc): Likewise.
14950 * reg-stack.c (reg_to_stack): Likewise.
14951 (convert_regs_2): Likewise.
14952 * reload1.c (reload_as_needed): Likewise.
14954 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14956 * Makefile.in (dbxout.o): Depend on ggc.h.
14957 (dwarf2out.o): Likewise.
14958 (xcoffout.o): Likewise.
14959 * dbxout.c: Include ggc.h.
14960 (dbxout_init): Register lastfile as a root.
14961 * dwarf2out.c: Include ggc.h.
14962 (dwarf2out_line): Register lastfile as a root.
14963 * xcoffout.c: Include ggc.h.
14964 (xcoffout_source_line): Register xcoff_lastfile as a root.
14966 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14968 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14970 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14972 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14974 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14976 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14978 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14979 (EXECUTE_IF_CONFLICT): Likewise.
14980 (ALLOCNO_LIVE_P): Avoid signed division.
14981 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14982 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14983 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14985 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14987 * haifa-sched.c (schedule_block): Don't crash if there's no
14988 next insn for an interblock movement.
14989 (add_branch_dependences): Don't allow clobber insns to move either.
14991 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14993 * i386.c (split_xf): New.
14994 * i386-protos.h: Declare it.
14995 * i386.md (movxf_1): Add general regs alternatives.
14996 (movxf_1+1): New splitter for same.
14998 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15000 * function.c (purge_addressof_1): Add missing return values.
15002 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15004 * function.c (is_addressof): New function. Returns true if
15005 the given piece of RTL is an ADDRESSOF.
15006 (purge_addressof_1): Make boolean. Return false if the
15007 ADDRESSOFs could not be purged.
15008 (purge_addressof): If ADDRESSOFs could not be purged from the
15009 notes attached to an insn, remove the offending note(s),
15010 unless they are attached to a libcall.
15012 1999-11-05 Andreas Jaeger <aj@suse.de>
15014 * genoutput.c (null_operand =): Initialize all fields.
15016 * errors.h: Add extern to prototypes.
15018 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15020 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15021 * configure: Rebuilt.
15023 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15025 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15026 (mirror_conflicts): New function.
15027 (global_alloc): Call it.
15028 (expand_preferences): Remove redundant CONFLICTP test.
15029 (find_reg, dump_conflicts): Likewise.
15030 (prune_preferences): Process conflicts one word at a time.
15032 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15034 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15035 instead of an explicit loop.
15037 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15039 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15040 if REG_RETVAL check succeeds, then put classp in src_elt.
15042 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15044 * function.c (pad_to_arg_alignment): Only update argument_pad
15045 if the argument's alignment is greater than STACK_BOUNDARY.
15047 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15049 * bitmap.h (BITMAP_XFREE): New.
15050 * flow.c (life_analysis): Use it.
15051 (life_analysis_1): Free blocks.
15053 * combine.c (undo_commit): New.
15054 (try_combine): Use it. Don't zap undobuf.undos.
15055 (combine_instructions): Don't zap undobuf.undos; free the
15056 undobuf.frees list.
15058 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15060 * stmt.c (cost_table_): New.
15061 (estimate_case_costs): Use it instead of xmalloc.
15063 * toplev.c (compile_file): Reuse dumpname memory instead
15066 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15068 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15069 after verifying an EH edge.
15071 * haifa-sched.c (init_rgn_data_dependences): Correctly
15072 size bb_pending_lists_length when zeroing.
15074 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15076 * function.c (diddle_return_value): New.
15077 (expand_function_end): Use it.
15078 * stmt.c (expand_null_return): Likewise.
15079 (expand_value_return): Likewise.
15081 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15083 * reload1.c (reload): Don't remove return value clobbers.
15085 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15087 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15089 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15091 * cse.c (cse_main): Use xmalloc, not alloca.
15092 (cse_basic_block): Likewise.
15093 * local-alloc.c (local_alloc): Likewise.
15095 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15096 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15098 * rtl.c: Include toplev.h.
15099 (fatal): Remove declaration.
15101 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15103 * haifa-sched.c (schedule_block): Fix thinko.
15105 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15107 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15108 S_IR* defined values
15110 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15112 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15113 call `malloc' instead.
15115 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15117 * flags.h (flag_renumber_insns): Declare.
15118 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15120 * rtl.h (renumber_insns): Change prototype.
15121 * toplev.c (flag_renumber_insns): Define.
15122 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15124 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15126 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15127 and fpsqrtd. Use them and create fdiv function unit to more
15128 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15129 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15131 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15133 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15135 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15136 insn into ready list, do not use just a raw swap.
15138 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15140 * rtl.h (renumber_insns): New function.
15141 (remove_unnecessary_notes): Likewise.
15142 * emit-rtl.c (renumber_insns): Define.
15143 (remove_unncessary_notes): Likewise.
15144 * toplev.c (rest_of_compilation): Remove dead code.
15145 Use renumber_insns and remove_unncessary_notes.
15147 * gcse.c (struct null_pointer_info): New type.
15148 (get_bitmap_width): New function.
15149 (current_block): Remove.
15150 (nonnull_local): Likewise.
15151 (nonnull_killed): Likewise.
15152 (invalidate_nonnull_info): Take a null_pointer_info as input.
15153 (delete_null_pointer_checks_1): New function.
15154 (delete_null_pointer_checks): Use it.
15156 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15157 (split_edges): Likewise.
15158 (schedule_block): Likewise.
15159 (compute_block_backward_dependencies): Likewise.
15160 (schedule_region): Likewise.
15161 (schedule_insns): Likewise.
15163 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15165 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15166 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15167 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15168 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15169 * jump.c (delete_unreferenced_labels): Don't delete if
15170 LABEL_ALTERNATE_NAME is set.
15171 * print-rtl.c (print_rtx): Dump alternate name.
15172 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15173 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15174 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15175 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15177 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15179 * fix-header.c (recognized_extern, recognized_function): Constify
15182 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15183 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15184 (compute_available): Remove unused variable `last'.
15185 (compute_nearerout): Remove unused variable `temp_bitmap'.
15186 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15187 Remove unused variable `x'.
15189 * scan.h (recognized_function, recognized_extern): Constify a
15192 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15194 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15196 * varasm.c (decode_rtx_const): Use XSTR to access the string
15199 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15201 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15203 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15205 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15207 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15209 * pa.c (ireg_operand): New function.
15210 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15211 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15212 Fix out of date comment.
15214 * pa.md (negdi2): Turn into expander + anonymous pattern.
15216 * reload.c (find_reloads): Fix typos in recent change.
15218 * dwarf2out.c: Do not include ctype.h.
15220 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15222 * regclass.c (record_reg_classes): Always use may_move_cost when
15223 seeing how operand fits with various register classes.
15225 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15227 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15228 * toplev.c: Revert Nov 1 13:22 change.
15230 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15232 * config/pa/pa.md (height reduction patterns): Add checks for
15233 overlapping operands to avoid semantic-destroying splits for
15234 height reduction patterns.
15236 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15238 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15239 have been an hyphen, fixed.
15240 * configure: Rebuilt.
15242 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15244 * config/arm/tpe.h: Add prototypes for exported functions.
15245 * config/arm/pe.c: Fix compile time warnings.
15246 * config/arm/semi.h: Fix compile time warnings.
15247 * config/arm/arm.c: Fix compile time warnings.
15248 * config/arm/arm.h: Fix compile time warnings.
15249 * config/arm/arm.md: Fix compile time warnings.
15250 * config/arm/thumb.c: Fix compile time warnings.
15251 * config/arm/thumb.h: Fix compile time warnings.
15252 * config/arm/thumb.md: Fix compile time warnings.
15254 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15256 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15259 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15260 completely unrolled.
15262 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15264 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15266 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15268 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15269 * rtl.h (rtx_equal_p): Move prototype.
15270 * rtl.c (rtx_equal_function_value_matters): Move from
15272 (rtx_equal_p): Likewise.
15273 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15274 (rtx_equal_p): Likewise.
15276 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15278 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15279 ! HAS_INIT_SECTION.
15281 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15283 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15285 * pa.h (ADDR_VEC_ALIGN): Define.
15287 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15288 notes when presented with "if (foo) break; end_of_loop" and
15289 the break sequence gets moved out of the loop.
15291 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15292 Remove explicit zero initializations of entries within MAP.
15294 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15296 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15298 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15300 * bitmap.h (BITMAP_XMALLOC): New macro.
15301 * flow.c (CLEAN_ALLOCA): Remove.
15302 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15303 (life_analysis): Likewise.
15304 (update_life_info): Don't use CLEAN_ALLOCA.
15305 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15306 (calculate_global_regs_live): Likewise.
15307 (print_rtl_with_bb): Likewise.
15308 (verify_flow_info): Likewise.
15309 * global.c (global_alloc): Likewise.
15310 (global_conflicts): Likewise.
15311 * integrate.c (save_for_inline_nocopy): Likewise.
15312 (expand_inline_function): Likewise.
15313 * jump.c (jump_optimize_1): Likewise.
15314 (duplicate_loop_exit_test): Likewise.
15315 (thread_jumps): Likewise.
15316 * loop.c (loop_optimize): Likewise.
15317 (combine_givs): Likewise.
15318 (recombine_givs): Likewise.
15319 * reorg.c (dbr_schedule): Likewise.
15320 * unroll.c (unroll_loop): Likewise.
15322 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15324 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15326 * toplev.c (rest_of_compilation): Don't optimize the CFG
15327 when rebuilding, just before dbr.
15329 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15331 * output.h (assemble_end_function, assemble_destructor,
15332 assemble_constructor, assemble_gc_entry, assemble_global,
15333 assemble_label, output_constant_pool) Constify a char*.
15335 * varasm.c (assemble_destructor, assemble_constructor,
15336 assemble_gc_entry, assemble_end_function, assemble_global,
15337 assemble_label, output_constant_pool): Likewise.
15339 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15341 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15342 explaining what is goin on in this function.
15344 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15346 * regclass.c (record_reg_classes): In matching case, recompute
15347 costs since the direction of movement is different.
15349 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15351 * resource.c (mark_target_live_regs): For unconditional branches,
15352 the resources found at the branch target should be added to the
15353 resources found so far, not intersected.
15355 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15357 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15359 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15360 (sys/mman.h): Include this file only if #HAVE_MMAP.
15361 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15362 with automatically concatenated ANSI strings.
15364 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15366 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15367 (DIV_ROUND_UP): Robustify.
15368 (ggc_recalculate_in_use_p): New function.
15369 (release_pages): Don't inline it.
15370 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15372 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15373 (clear_marks): Always save in_use_p.
15374 (sweep_pages): Use ggc_recalculate_in_use_p.
15375 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15376 Release pages before counting statistics.
15378 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15380 * toplev.c (rest_of_compilation): Fix thinko in this change:
15382 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15384 (rest_of_compilation): If inside an inlined external function,
15385 pretend we are just being declared.
15387 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15389 * flow.c (calculate_global_regs_live): Fix thinko.
15391 * integrate.c (expand_inline_function): Fix bugs in previous
15392 change from Oct 28, 1999.
15394 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15396 * stmt.c (expand_value_return): Fix typo in this change:
15398 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15399 (expand_value_return): Correctly convert VAL when promoting function
15400 return; support RETURN_REG being a PARALLEL.
15402 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15404 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15406 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15408 * hard-reg-set.h (reg_names): Constify a char*.
15410 * regclass.c (reg_names): Likewise.
15412 * regs.h (reg_names): Likewise
15414 * a29k/a29k.c (reg_names): Delete declaration.
15416 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15418 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15419 arc_output_function_epilogue): Likewise.
15421 * elxsi/elxsi.c (reg_names): Likewise.
15423 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15425 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15428 * m88k/m88k.c (output_function_profiler): Likewise.
15430 * sparc/sparc.c (sparc_flat_output_function_prologue,
15431 sparc_flat_output_function_epilogue): Likewise.
15433 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15435 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15436 warning from -Wuninitialized and put it under -W.
15437 * function.c (uninitialized_vars_warning): Warn only when the
15438 corresponding flag is set.
15440 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15442 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15443 is nonzero and the single set does not have an elt, then assign
15446 * simplify-rtx.c: New file.
15447 * Makefile.in (OBJS): Add simplify-rtx.o
15448 (simplify-rtx.o): Add dependencies.
15449 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15450 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15451 (cse_gen_binary, simplify_unary_operation): Delete.
15452 (simplify_binary_operation, simplify_plus_minus): Likewise.
15453 (check_fold_consts, simplify_relation_operation): Likewise.
15454 (simplify_ternary_operation): Likewise.
15455 (delete_trivially_dead_insns): Simplify the contents of the
15456 REG_EQUAL note before trying to substitute it into the source
15457 of the reg-reg copy at the end of a libcall sequence.
15459 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15460 references/callers changed.
15462 * mn10200.c (mn10200_va_arg): Force the return value into a
15465 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15467 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15470 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15472 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15474 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15476 * fold-const.c (fold): Fix thinko when optimizing comparisons
15479 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15481 * gcc.texi (Passes): Update front-end files to their current
15484 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15486 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15487 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15488 (PREDICATE_CODES): Add addition_operation.
15489 * alpha-protos.h (addition_operation): Declare.
15490 (secondary_reload_class): Likewise.
15491 * alpha.c (addition_operation): New.
15492 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15493 * alpha.md (adddi3): Turn into expander.
15494 (*lda, *adddi_2): New.
15495 (movsf, movdf patterns): Don't preference integer regs.
15496 (movsi, movdi patterns): Don't preference fp regs.
15498 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15500 * genrecog.c (write_switch): Check for duplicate CODE cases.
15502 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15504 * ggc-common.c: Update pre-function commentary.
15505 * ggc-page.c: Likewise.
15507 (poison_pages): Use memset directly.
15508 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15509 (ggc_collect): Poison before sweeping.
15510 * ggc-simple.c: Update pre-function commentary.
15511 (ggc_alloc_obj): Poison non-zeroed memory.
15513 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15515 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15516 match format string, even on 64-bit hosts.
15517 * gcc-page.c (ggc_page_print_statistics): Likewise.
15519 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15521 * config/i386/i386.c (ix86_cpu): Revert last patch.
15522 * config/i386/i386.h (ix86_cpu): Ditto.
15524 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15526 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15527 TYPE_SIZE, convert type of result to sizetype.
15529 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15531 * flow.c (count_or_remove_death_notes): Equate NULL with the
15534 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15535 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15538 * i386.c (pic_label_no): Delete.
15539 (ix86_attr_length_default): Don't use single_set to peek
15542 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15543 the first insn after bb->end.
15544 * i386.md (push mem peeps): Scratch is live after evaluation
15546 (cmp mem peep): Similarly.
15548 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15550 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15551 * function.c (pad_to_arg_alignment): Add missing braces.
15553 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15555 * alpha/alpha-protos.h (literal_section): Add prototype.
15556 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15559 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15561 (alpha_start_function, alpha_end_function, float_strings,
15562 alpha_need_linkage): Constify a char*
15564 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15566 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15568 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15570 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15572 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15574 * flow.c (debug_flow_info): Add prototype.
15576 * gcc.c (main): Likewise.
15578 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15581 * reload1.c (failed_reload, set_reload_reg): Likewise.
15583 * mips-tfile.c (main): Likewise.
15584 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15585 with ATTRIBUTE_NORETURN.
15587 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15589 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15590 DECL is not a memory ref.
15592 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15594 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15595 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15597 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15599 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15600 * config/mips/elf64.h: ditto.
15602 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15604 * expr.c (emit_push_insn): New argument alignment_pad.
15605 Update all callers. Adjust stack pointer based on alignment pad.
15606 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15607 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15608 (locate_and_pad_parm): New argument alignment_pad. Update all
15610 * expr.h (emit_push_insn): Update prototype.
15611 (locate_and_pad_parm): Update prototype.
15612 * calls.c (arg_data): Add new field alignment_pad.
15613 (initialize_argument_information): Initialize alignment_pad.
15615 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15617 * except.c (free_eh_nesting_info): Free the info itself.
15618 * function.c (free_after_compilation): Don't free NULL.
15619 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15620 (pre_edge_insert): Free inserted.
15621 * stmt.c (free_stmt_status): Don't free NULL.
15623 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15625 * gcov.c (DIR_SEPARATOR): Provide default.
15626 (output_data): Add test for MS-DOS format absolute filename.
15627 (fancy_abort): Correct program name.
15628 (open_files): Open all files in binary mode.
15629 * libgcc2.c (__bb_exit_func): Likewise.
15631 * profile.c (init_branch_prob): Specify binary when opening files.
15633 * flags.h (flag_unwind_tables): New decl.
15634 * toplev.c (flag_unwind_table): New definition.
15635 (f_options): Add -funwind-tables.
15636 (decode_g_option): Clarify warning when unknown -g option is given.
15637 (rest_of_compilation): If inside an inlined external function,
15638 pretend we are just being declared.
15640 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15641 (dwarf2out_frame_finish): Likewise.
15643 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15645 * fold-const.c (merge_ranges): If not in0, but in1, handle
15646 upper bounds equal like subset case.
15648 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15650 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15651 passed in a register but moved to the stack.
15653 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15655 * gcc.c (pass_exit_codes, greatest_status): New variables.
15656 (struct option_map): Add entry for "--pass-exit-codes".
15657 (execute): Update greatest_status if error.
15658 (display_help): Add documentation for -pass-exit-codes.
15659 (process_command): Handle -pass-exit-codes.
15660 (main): Look at pass_exit_codes and greatest_status on call to exit.
15662 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15664 * reload.c (find_reloads): Refine test for no input reload
15665 case to not includes reloads emitted after insn.
15667 * function.c (find_temp_slots_from_address): Handle sum involving
15668 a register that points to a temp slot.
15669 (update_temp_slot_address): Make recursive call if both old and
15670 new are PLUS with a common operand.
15671 * calls.c (expand_call): Mark temp slot for result as having
15674 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15676 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15677 component as well as "BINUTILS".
15679 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15680 * integrate.c (copy_rtx_and_substitute): Likewise.
15681 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15682 All callers changed.
15683 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15685 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15686 gdb extensions, write size of type; also be more consistent
15687 in using references when this is a subtype.
15689 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15690 that is out of range.
15692 * loop.c (unknown_constant_address_altered): New variable.
15693 (prescan_loop): Initialize it.
15694 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15695 (invariant_p, case MEM): Remove handling for volatile and readonly;
15696 check new variable if readonly.
15697 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15699 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15700 (addr_affects_sp_p): Removed from note_mem_written and only
15701 define #ifdef AUTO_INC_DEC.
15703 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15705 * regclass.c (record_reg_classes): Properly handle register move
15708 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15709 Don't think valid if both operands are invalid.
15710 (struct constant_descriptor): New field RTL.
15711 (mark_const_hash_entry): Mark it.
15712 (record_constant{,_rtx}): Initialize it.
15713 (output_constant_def): Allocate RTL in permanent obstack and
15715 ({record,compare}_constant_1): Modes must match for
15716 CONSTRUCTOR of ARRAY_TYPE.
15718 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15719 * output.h (initializer_constant_valid_p): Move decl to here.
15720 * c-common.c (initializer_constant_valid_p): Delete function from here.
15721 * varasm.c (initializer_constant_valid_p): Move function to here.
15723 * tree.h (STRIP_SIGN_NOPS): New macro.
15724 * fold-const.c (optimize_minmax_comparison): New function.
15725 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15726 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15727 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15728 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15729 widening conversions.
15730 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15731 to look at size of mode, not precision of type; also add missing cases.
15732 (optimize_bit_field_compare, decode_field_reference): Don't try to
15733 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15735 * dwarf2out.c (ctype.h): Include.
15736 (dwarf2out_set_demangle_name_func): New function.
15737 (size_of_line_info): Deleted.
15738 (output_line_info): Compute size of line info table from difference
15740 (base_type_die, add_name_attribute): Call demangle function, if any.
15741 (field_byte_offset): Use bits per word for variable length fields.
15742 (gen_array_type_die): Add array name.
15743 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15744 (dwarf2out_add_library_unit_info): New function.
15746 * explow.c (set_stack_check_libfunc): New function.
15747 (stack_check_libfunc): New static variable.
15748 (probe_stack_range): Allow front-end to set up a libfunc to call.
15750 * combine.c (simplify_comparison): When making comparison in wider
15751 mode, check for having commuted an AND and a SUBREG.
15752 (contains_muldiv): New function.
15753 (try_combine): Call it when dividing a PARALLEL.
15754 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15755 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15757 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15758 use one of the CLOBBERs instead.
15759 (if_then_else_cond): If comparing against zero, just return thing
15762 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15763 Don't generate shifts and subtract if have conditional arithmetic.
15765 * rtl.h (delete_barrier): New declaration.
15766 * jump.c (jump_optimize): Set up to handle conditional call.
15767 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15768 (delete_barrier): New function.
15770 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15772 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15774 * tree.c (build_type_attribute_variant): Push to obstack of
15775 ttype around type_hash_canon call.
15777 * expr.c (placeholder_list): Move decl to file scope.
15778 (expand_expr): Don't force access to volatile just because its
15780 If ignoring reference operations, just expand the operands.
15781 (expand_expr, case COMPONENT_REF): Propagate
15782 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15783 Refine test for using bitfield operations vs pointer punning.
15784 (expand_expr, case CONVERT_EXPR): If converting to
15785 BLKmode UNION_TYPE from BLKmode, just return inner object.
15786 Use proper mode in store_field call.
15787 Properly set sizes of object to store and total size in store_field
15788 call for convert to union.
15789 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15790 memory (like for ADDR_EXPR). Also, don't put constant in register if
15791 we'll want it in memory.
15792 (readonly_fields_p): New function.
15793 (expand_expr, case INDIRECT_REF): Call it if LHS.
15794 (expand_assignment): Handle a RESULT_DECL where
15795 DECL_RTL is a PARALLEL.
15796 (do_jump, case WITH_RECORD_EXPR): New case.
15797 (get_inner_reference): Always go inside a CONVERT_EXPR
15798 and NOP_EXPR if both modes are the same.
15799 (store_field): Use bitfield operations if size of bitsize is not same
15800 as size of RHS's type.
15801 Check for bitpos not a multiple of alignment in BLKmode case.
15802 Do block move in largest possible alignment.
15803 (store_constructor): Set BITSIZE to -1 for variable size and properly
15804 in case of array of BLKmode.
15805 (expand_expr_unaligned): New function.
15806 (do_compare_and_jump): Call it.
15808 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15809 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15810 does not include 'o'.
15812 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15813 both SET_DEST and SET_SRC reference a virtual register.
15814 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15816 * integrate.c (expand_inline_function): Handle case of setting
15817 virtual stack vars register (from built in setjmp); when parameter
15818 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15819 (subst_constant): Add new parm, MEMONLY.
15820 (expand_inline_function, integrate_parm_decls): Pass new parm.
15821 (integrate_decl_tree): Likewise.
15822 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15823 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15824 (copy_rtx_and_substitute, case SET): Add explicit calls to
15825 copy_rtx_and_substitute for both sides.
15827 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15829 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15830 within INDEX_TYPE, instead of before.
15831 (fixup_gotos): Use f->target_rtl, not the next insn,
15832 since latter may be from a later fixup.
15833 (expand_value_return): Correctly convert VAL when promoting function
15834 return; support RETURN_REG being a PARALLEL.
15835 (expand_return): When checking for result in regs and having
15836 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15838 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15840 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15841 last_nominal_fname): Mark const.
15842 (struct include_hash: name, nshort, control_macro): Mark
15844 (struct macrodef: symnam): Mark const.
15845 (struct if_stack: fname): Mark const.
15846 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15847 (IStable): New character-syntax array which encompasses all
15848 the old is_foo arrays.
15849 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15850 is_space): New macros for interrogating IStable.
15851 (check_macro_name): Kill last argument. All callers changed.
15853 * cppinit.c (initialize_char_syntax): Delete.
15854 (is_idchar, is_idstart, is_hor_space, is_space,
15855 trigraph_table): Delete.
15856 (IStable): New. Initialize with clever macros to avoid
15857 information duplication.
15858 (builtin_array): Table of builtins to get rid of explicit list
15859 in initialize_builtins.
15860 (initialize_builtins): Use builtins_array.
15861 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15862 opts->dollars_in_ident.
15864 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15866 (cpp_parse_expr): Avoid 'format string is not constant'
15867 warning. Use ISGRAPH to identify printable chars.
15868 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15870 (read_and_prescan): Map trigraphs to chars with open-coded
15871 if-else-if-... sequence, not a lookup table.
15872 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15874 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15875 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15876 (check_macro_name): Remove ability to report an invalid
15877 assertion name, which is never used.
15878 (do_line): Constify a couple of char *'s.
15879 * cppmain.c (main): Call cpp_cleanup before returning.
15881 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15883 * ggc.h (struct ggc_statistics): New type.
15884 (ggc_get_size): New function.
15885 (ggc_print_statistics): Likewise.
15886 * ggc-common.c (ggc_stats): New variable.
15887 (ggc_mark_rtx_children): Keep statistics.
15888 (ggc_mark_tree_children): Likewise.
15889 (ggc_print_statistics): New function.
15890 * ggc-page.c (struct globals): Add bytes_mapped field.
15891 (alloc_anon): Update it.
15892 (release_pages): Likewise.
15893 (ggc_get_size): New function.
15894 (ggc_page_print_statistics): New function.
15895 * ggc-simple.c (ggc_get_size): New function.
15897 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15899 * flow.c (propagate_block): When the last reference to a label
15900 before an ADDR_VEC is deleted because the reference is a dead
15901 store, delete the ADDR_VEC.
15903 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15905 * resource.c (find_free_register): Don't use the frame pointer
15906 if frame_pointer_needed.
15908 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15910 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15911 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15913 * config/i960/i960.c (i960_va_start): New locals base, num.
15914 Use INDIRECT_REF instead of ARRAY_REF on valist.
15915 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15917 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15919 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15921 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15923 * tree.def (PLACEHOLDER_EXPR): Update comments.
15925 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15927 * c-common.c (check_format_info): Avoid non-literal format string
15928 warnings when `first_arg_num' is zero.
15930 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15932 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15934 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15936 * arm.md (casesi_insn): Add a clobber of the condition code
15939 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15941 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15942 used by both cc1 and cc1plus.
15944 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15946 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15947 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15948 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15949 to the value 32 if it has not already been defined.
15950 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15951 Override definition in arm.h with a value of 8.
15953 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15955 * c-pragma.c (push_alignment): Don't check the return value
15958 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15960 * sparc.h (ADJUST_COST): Fix thinko.
15962 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15964 * cccp.c (rescan): Fixed obp pointer handling around call to
15965 check_expand subroutine.
15967 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15969 * gcse.c (delete_null_pointer_checks): Only record non-null info
15970 for pseudos when examining stores.
15972 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15973 splitters for these patterns. Use "#" for output templates.
15974 (addsi3_carryin_shift): New pattern.
15976 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15978 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15979 of the function return register into a plain REG until
15980 after function inlining is done.
15982 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15984 * jump.c (jump_optimize_1): If we did cross-jumping, and
15985 the data will matter, rebuild the CFG.
15986 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15987 not optimizing. Don't run shorten_branches.
15988 * toplev.c (rest_of_compilation): Run shorten_branches after
15991 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15993 * rtl.h (note_stores): Add additional paramter.
15994 * rtlanal.c (reg_set_p_1): Take additional paramter.
15995 (reg_set_last_1): Likewise.
15996 (reg_set_p): Adjust call to note_stores.
15997 (reg_set_last): Likewise.
15998 (note_stores): Pass data parameter to worker function.
15999 * alias.c (record_set): Take additional parameter.
16000 (init_alias_analysis): Pass it.
16001 * caller-save.c (mark_set_regs): Take additional parameter.
16002 (save_call_clobbered_regs): Pass NULL to note_stores.
16003 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16005 (record_dead_and_set_regs_1): Likewise.
16006 (reg_dead_at_p_1): Likewise.
16007 (combine_instructions): Adjust calls to note_stores.
16008 (try_combine): Likewise.
16009 (record_dead_insn): Remove.
16010 (record_dead_and_set_regs): Adjust calls to note_stores.
16011 (reg_dead_at_p): Likewise.
16012 * cse.c (invalidate_skipped_set): Take additional parameter.
16013 (cse_check_loop_start): Likewise.
16014 (cse_check_loop_start_value): Remove.
16015 (cse_set_around_loop): Adjust calls to note_stores.
16016 * flow.c (notice_stack_pointer_modification): Take additional
16017 parameter. Remove duplicate declaration.
16018 (record_volatile_insns): Adjust calls to note_stores.
16019 * gcse.c (record_set_info): Take additional parameter.
16020 (record_last_set_info): Likewise.
16021 (invalidate_nonnull_info): Likewise.
16022 (record_set_insn): Remove.
16023 (compute_sets): Adjust calls to note_stores.
16024 (last_set_insn): Remove.
16025 (compute_hash_table): Adjust calls to note_stores.
16026 (insert_insn_end_bb): Likewise.
16027 (delete_null_pointer_checks): Likewise.
16028 * global.c (mark_reg_store): Take additional parameter.
16029 (mark_reg_clobber): Likewise.
16030 (reg_becomes_live): Likewise.
16031 (global_conflicts): Adjust calls to note_stores.
16032 (build_insn_chain): Likewise.
16033 * integrate.c (note_modified_parmregs): Take additional parameter.
16034 (mark_stores): Likewise. Make it static.
16035 (save_for_inline_nocopy): Adjust calls to note_stores.
16036 (try_constants): Likewise.
16037 * integrate.h (mark_stores): Remove declaration.
16038 * jump.c (mark_modified_reg): Take additional parameter.
16039 (thread_jumps): Adjust calls to note_stores.
16040 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16042 (no_equiv): Likewise.
16043 (reg_is_set): Likewise.
16044 (validate_equiv_mem): Adjust calls to note_stores.
16045 (update_equiv_regs): Likewise.
16046 (block_alloc): Likewise.
16047 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16048 (note_addr_stored): Take additional parameter.
16049 (note_set_pseudo_multiple_uses): Likewise.
16050 (record_initial): Likewise.
16051 (prescan_loop): Adjust calls to note_stores.
16052 (strength_reduce): Likewise.
16053 (check_dbra_loop): Likewise.
16054 * regmove.c (flags_set_1): Take additional paramter.
16055 (mark_flags_life_zones): Adjust calls to note_stores.
16056 * reload1.c (mark_not_eliminable): Take additional parameter.
16057 (forget_old_reloads_1): Likewise.
16058 (reload_cse_invalidate_rtx): Likewise.
16059 (reload_cse_check_clobber): Likewise.
16060 (reload_combine_note_store): Likewise.
16061 (move2add_note_store): Likewise.
16062 (reload): Adjust calls to note_stores.
16063 (reload_as_needed): Likewise.
16064 (emit_reload_insns): Likewise.
16065 (reload_cse_regs_1): Likewise.
16066 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16067 (reload_combine): Adjust calls to note_stores.
16068 * resource.c (update_live_status): Take additional paramter.
16069 (mark_target_live_regs): Adjust calls to note_stores.
16070 * stupid.c (find_clobbered_regs): Take additional parameter.
16071 (stupid_life_analysis): Adjust calls to note_stores.
16073 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16075 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16078 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16081 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16082 of the variable arm_structure_size_boundary.
16084 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16086 * alias.c (init_alias_analysis): Allocate reg_known_value and
16087 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16089 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16090 * cse.c (cse_main): Call end_alias_analysis.
16091 * haifa-sched.c (schedule_insns): Likewise.
16092 * local-alloc. (update_equiv_regs): Likewise.
16093 * reload1.c (reload_cse_regs): Likewise.
16095 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16097 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16098 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16099 mapping from MASK_FPU.
16101 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16103 * sparc.md (call): Don't bound structure return size to 0xfff.
16105 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16107 * resource.c (mark_target_live_regs): Check that the target
16108 insn wasn't created after compute_bb_for_insn.
16110 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16112 * ggc-page.c (poison_pages): Don't be overzealous.
16114 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16116 * alias.c: Update comments for ADDRESS.
16117 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16118 it is a local memory reference.
16120 * c-typeck.c (build_function_call): Check that the built-in
16121 function is of class BUILT_IN_NORMAL before trying to recongize
16122 it as BUILT_IN_ABS.
16123 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16124 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16126 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16128 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16130 (pre_gcse): Likewise.
16131 (hoist_expr_reaches_here_p): Likewise.
16132 (hoist_code): Likewise.
16133 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16135 (pre_expr_reaches_here_p_work): ... here.
16136 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16138 (expr_reaches_here_p_work): ... here.
16140 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16142 * resource.c (find_basic_block): Delete.
16143 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16144 (init_resource_info): Call compute_bb_for_insn.
16146 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16148 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16149 with already adjacent blocks, but no fallthru.
16150 (merge_blocks_move_successor_nojumps): Simplify.
16151 (debug_flow_info): New.
16153 * toplev.c (rest_of_compilation): Open jump1 dump file before
16154 jump and close after, as opposed to just using dump_rtl.
16156 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16158 * reload.h (earlyclobber_operand_p): Declare.
16159 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16160 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16161 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16162 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16164 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16165 Richard Henderson <rth@cygnus.com>
16167 * emit-rtl.c (emit_block_insn_before): New.
16168 (emit_block_insn_after): New.
16169 * basic-block.h: Declare them.
16171 * bitmap.h: Protect from multiple inclusion.
16173 * recog.c (scratch_operand): Handle VOIDmode correctly.
16175 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16177 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16178 * function.c (assign_parms): Likewise.
16179 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16181 * reg-stack.c (max_uid): Remove.
16182 (blocks, block_begin, block_end, block_drops_in): Remove.
16183 (block_stack_in, block_out_reg_set, block_number): Remove.
16184 (struct block_info_def, BLOCK_INFO): New.
16185 (enum emit_where): New.
16186 (current_block): New.
16187 (BLOCK_NUM): Remove.
16188 (mark_regs_pat, record_label_references): Remove.
16189 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16191 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16192 (reg_to_stack): Simplified test for existance of fp code. Use
16193 flow.c code. Call shorten_branches after cross-jump opt.
16194 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16195 Return false if the asm doesn't use stack regs. Don't do life
16196 analysis on the asm.
16197 (emit_pop_insn): Replace function pointer arg `when' with
16198 enum `where'. Update all callers.
16199 (change_stack): Likewise. Update basic block end.
16200 (emit_swap_insn): Use current_block->head to limit reverse search
16201 for start of block. Use emit_block_insn_after.
16202 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16203 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16204 structure assignment instead of bcopy.
16205 (print_stack): New.
16206 (convert_regs_entry, convert_regs_exit): New.
16207 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16208 Work on basic blocks and the CFG.
16209 (convert_regs): Use them.
16211 * i386.c (output_fix_trunc): Remove code for DImode input operand
16212 not at top-of-stack.
16213 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16215 (fix_truncdi_1): Allow any mode scratch.
16217 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16219 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16220 * linux.h, netbsd.h, vms.h: Not here.
16222 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16224 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16225 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16226 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16227 CONDITIONAL_REGISTER_USEAGE): Use them.
16228 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16229 gen_conditional_branch,override_options) : Use them.
16230 * config/mips/mips.md : Use them.
16232 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16234 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16236 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16238 * integrate.c (function_cannot_inline_p): Don't allow inlining
16241 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16243 * c-parse.in (cast_expr): Constify.
16245 * cccp.c (special_symbol): Likewise.
16247 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16249 * dwarf2out.c (base_type_die): Likewise.
16251 * global.c (allocno_compare): Likewise.
16253 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16255 * regclass.c (fix_register): Likewise.
16257 * rtl.h (fix_register): Likewise.
16259 * stupid.c (stupid_reg_compare): Likewise.
16261 * toplev.c (decode_f_option): Likewise.
16263 * tree.c (build_complex_type): Likewise.
16265 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16267 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16269 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16271 * reload.c (find_reloads): Compute mode and nregs fields of all
16273 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16274 (calculate_needs): Use precomputed mode/nregs values.
16275 (allocate_reload_reg): Likewise.
16277 (failed_reload, set_reload_reg): ... new functions.
16278 (choose_reload_regs_init): New function, mostly broken out from...
16279 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16280 Also lose one #if 0 block.
16282 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16284 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16287 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16289 * tree.h (BLOCK_TYPE_TAGS): Remove.
16290 (BLOCK_END_NOTE): Likewise.
16291 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16292 (BLOCK_LIVE_RANGE_START): Likewise.
16293 (BLOCK_LIVE_RANGE_END): Likewise.
16294 (tree_block): Remove live_range_flag, live_range_var_flag, and
16295 type_tags. Remove end_note, live_range_start, and live_range_end.
16296 (remember_end_note): Remove prototype.
16297 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16298 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16300 * ggc-common.c (ggc_mark_tree_children): Don't mark
16301 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16302 * integrate.c (adjust_copied_decl_tree): Remove.
16303 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16304 * stmt.c (last_block_end_note): Remove.
16305 (init_stmt): Don't add a GC root for it.
16306 (expand_fixup): Don't set it.
16307 (remember_end_note): Remove.
16308 (expand_end_bindings): Don't set last_block_end_note.
16310 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16312 * reload1.c (reload_reg_free_for_value_p): Show
16313 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16316 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16318 * expmed.c (extract_bit_field): Allow for the case of non-integer
16319 objects that are smaller than a word (like SFmode on a 64-bit
16322 * loop.c (basic_induction_var): A non-integer variable which is
16323 being set by a paradoxical subreg is probably not a biv.
16325 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16327 * prefix.c (translate_name) Check for empty prefix string.
16329 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16331 * Makefile.in (CPP_CROSS_NAME): New variable.
16332 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16334 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16335 names of the files to be uninstalled.
16337 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16339 * collect2.c (IS_DIR_SEPARATOR): Define.
16340 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16342 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16345 * haifa-sched.c (add_dependence): Update the true dependency
16346 cache the first time we add a true dependence to the LOG_LINKS chain.
16348 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16350 * fold-const.c (fold): Fix comment.
16352 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16354 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16355 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16356 dbxout_start_new_source_file, dbxout_source_file,
16357 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16358 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16360 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16361 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16362 (dbxout_block): Initialize variable `blocknum'.
16364 * dbxout.h (dbxout_init, dbxout_finish,
16365 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16366 dbxout_args, dbxout_source_line): Constify a char*.
16368 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16369 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16370 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16371 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16372 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16373 src_info_attribute, mac_info_attribute, producer_attribute,
16374 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16375 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16376 dwarfout_undef): Constify a char*.
16377 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16379 * dwarfout.h (dwarfout_define, dwarfout_undef,
16380 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16382 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16384 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16385 (MULTILIB_ISA_DEFAULT): New.
16386 (MULTILIB_DEFAULTS): Use it.
16387 * config/mips/mips.c (): Remove the now unnecessary definition
16388 of MIPS_ISA_DEFAULT.
16389 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16390 unnecessary definition.
16392 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16394 * arm.md (pic_load_addr): Add constraints to operand 1.
16396 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16398 * fixinc/genfixes: Provide a means for specifying -D options to
16401 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16403 * arm.c (arm_override_options): Correct initialization of
16404 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16405 arm_is_strong, and arm_is_6_or_7.
16407 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16408 (note_set_pseudo_multiple_uses): New function.
16409 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16410 if a pseudo set in the loop exit is used elsewhere.
16412 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16414 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16416 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16418 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16419 a single load-address pattern.
16421 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16423 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16424 depending on whether or not line-number notes are present.
16426 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16428 * cccp.c (progname, file_buf, default_include, include_file,
16429 macrodef, definition, hashval, wchar_type, user_label_prefix,
16430 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16431 expand_to_temp_buffer, is_system_include, base_name,
16432 absolute_filename, read_name_map, open_include_file,
16433 record_control_macro, check_precompiled, check_preconditions,
16434 pcfinclude, pass_thru_directive, create_definition,
16435 check_macro_name, comp_def_part, collect_expansion,
16436 check_assertion, read_token_list, assertion_install,
16437 assertion_lookup, eval_if_expression, conditional_skip,
16438 validate_else, skip_quoted_string, quote_string, macarg1,
16439 error_from_errno, install, lookup, hashf, dump_defn_1,
16440 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16441 check_white_space, rescan, handle_directive, monthnames,
16442 special_symbol, do_include, remap_include_file, write_output,
16443 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16444 do_ident, do_sccs, do_xifdef, skip_if_group,
16445 output_line_directive, macroexpand, macarg, change_newlines,
16446 initialize_builtins, make_definition): Constify a char*.
16448 * pcp.h (stringdef): Likewise.
16450 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16452 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16455 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16456 Richard Henderson <rth@cygnus.com>
16458 * alias.c: Include ggc.h.
16459 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16460 (record_set): Verify enough room in reg_base_value.
16461 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16462 Register it as a GC root.
16463 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16464 * Makefile.in (alias.o): Depend on ggc.h.
16466 * unroll.c (unroll_loop): Verify the insn before a barrier
16467 is a JUMP_INSN before checking JUMP_LABEL.
16469 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16471 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16472 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16473 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16474 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16475 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16476 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16478 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16480 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16482 * alpha/alpha-interix.h (text_section): Delete prototype.
16483 * alpha/elf.h (text_section): Likewise.
16484 * arm/linux-elf.h (text_section): Likewise.
16485 * arm/linux-telf.h (text_section): Likewise.
16486 * c4x/c4x.h (text_section): Likewise.
16487 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16488 * elfos.h (text_section): Likewise.
16489 * i386/aix386ng.h (text_section): Likewise.
16490 * i386/i386-interix.h (text_section): Likewise.
16491 * i386/sco5.h (text_section): Likewise.
16492 * i386/svr3gas.h (text_section): Likewise.
16493 * nextstep.h (text_section): Likewise.
16494 * psos.h (text_section): Likewise.
16495 * ptx4.h (text_section): Likewise.
16496 * svr3.h (text_section): Likewise.
16497 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16499 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16501 * final.c (peephole): Delete prototype.
16503 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16504 (pre_insert_copies): Remove unused variable `bb'.
16506 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16509 * output.h (peephole): Add prototype.
16511 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16513 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16516 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16518 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16519 for inlined declarations.
16521 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16523 * arm.c (logical_binary_operator): New fucntion.
16524 * arm.h (logical_binary_operator): Declare it.
16525 (PREDICATE_CODES): Handle logical_binary_operator.
16526 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16527 output constraints. Add appropriate splitters.
16528 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16529 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16530 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16532 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16534 * genoutput.c (struct operand_data): New elt eliminable.
16535 (output_operand_data): Write it.
16536 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16537 (compare_operands): Take it into account.
16538 * recog.h (struct insn_operand_data): New elt eliminable.
16539 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16541 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16542 (eliminate_regs): Move code that detects changes to elimination
16543 target regs into new function elimination_effects.
16544 Delete one #if 0 block.
16545 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16546 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16547 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16548 Only call eliminate_regs for real operands of the insn, not for parts
16549 of its structure or parts matched by things like match_operator.
16550 Use elimination_effects and check_eliminable_occurrences. Use
16551 copy_insn to duplicate the pattern when not in the final pass.
16553 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16555 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16558 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16560 * fixinc/README: document the "mach" machine matching test
16561 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16562 * fixinc/fixtests.c: Implement the #else/#endif label test
16563 * fixinc/inclhack.def: utilize these tests and fixes
16564 * fixinc/inclhack.sh: regen
16565 * fixinc/fixincl.x: regen
16566 * fixinc/fixincl.sh: regen
16568 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16570 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16573 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16575 * gcc.1: Document exit codes.
16577 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16579 * calls.c: Include tm_p.h later, so everything we need is defined.
16580 * expr.c: Likewise.
16581 * function.c: Likewise.
16583 * except.c: Include tm_p.h.
16585 * sparc.c: Likewise.
16586 (dwarf2out_cfi_label): Don't prototype.
16587 (check_return_regs, epilogue_renumber,
16588 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16589 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16590 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16591 ultra_schedule_insn): Add static prototype.
16592 (data_segment_operand, text_segment_operand): Call itself with the
16593 proper number of arguments.
16594 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16596 * sparc.h: Move all declarations to sparc-protos.h.
16597 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16600 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16602 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16604 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16605 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16606 ASM_OUTPUT_ASCII): Constify a char*.
16608 * sparc-protos.h: New file for sparc prototypes.
16610 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16612 * function.c (record_insns, contains): Always declare and define.
16613 (record_insns): Mark with ATTRIBUTE_UNUSED.
16615 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16617 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16618 to .section when outputting a .bss section to deal with multiple
16619 .bss input sections (as happens with -fdata-sections)
16620 Also output %progbits, not @progbits so the assembler doesn't treat as
16622 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16624 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16625 thumb parts even when building with non-thumb CPUs, by forcing
16628 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16630 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16631 (movdf_const_intreg_sp64): Similarly.
16633 * local-alloc.c (update_equiv_regs): Check the correct insn
16634 for pre-existing REG_EQUIV notes.
16636 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16638 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16639 block reached by a branch if we're not going to actually process
16642 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16644 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16645 a local extern function declaration.
16647 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16649 * i386.c (ix86_expand_prologue): Properly wrap USE around
16650 reg for CALL_INSN_FUNCTION_USAGE.
16652 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16654 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16655 move between GP_REGs.
16657 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16659 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16660 the mode size when finding out if an offset is legal.
16662 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16664 * basic-block.h (PROP_*): Move constants from ...
16665 * flow.c: ... here.
16666 (compute_bb_for_insn): Free the array before reallocating.
16667 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16668 (allocate_reg_life_data): Reset all reg variables collected by
16670 (get_block_head_tail): Don't convert from bb to block.
16671 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16672 (find_insn_reg_weight): Take block not bb.
16673 (schedule_block): Don't set block num for moved insns.
16674 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16675 (schedule_insns): Do it here instead.
16676 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16677 before update_life_info.
16678 * recog.c (split_all_insns, peephole2_optimize): Update for
16679 new arg to update_life_info.
16680 * rtlanal.c (remove_note): Cope with NULL note.
16681 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16684 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16686 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16688 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16689 block records so that merge_blocks_nomove will clean up correctly.
16690 (split_edge): Handle casesi insns.
16692 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16694 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16696 * pa.md (call, call_value): Do not emit a blockage after restoring
16699 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16701 * c-typeck.c (c_expand_asm_operands): Fix typo.
16703 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16705 * arm.c (fpu_rhs_operand): Verify modes.
16706 (fpu_add_operand): Likewise.
16707 (di_operand): Likewise.
16708 (soft_df_operand): Likewise.
16710 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16712 * arm.c (arm_return_in_memory): APCS rules state that the elements
16713 of a structure returned in a register must be 'integer-like'.
16715 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16717 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16718 in the source tree when the generated targets are out of date
16719 * fixinc/genfixes: Alter it to run individual fixes for make.
16720 * fixinc/README: rewrite
16721 * fixinc/inclhack.def: moved initial comments to README
16723 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16725 * toplev.c (main): Do not generate an error message if an
16726 unrecognised command line switch is recognisable by another
16727 language. If extra_warnings are enabled, then generate a
16728 warning message instead.
16730 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16732 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16733 (insert_pack_attributes): Delete prototype.
16735 * c-pragma.c (default_alignment): New static variable.
16736 (push_alignment): Initialize to current effective alignment.
16737 (pop_alignment): Use to set new alignment.
16738 (insert_pack_attributes): Delete function.
16739 (handle_pragma_token): Set default_alignment as well each time
16740 a #pragma pack(<n>) is encountered.
16742 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16744 * reg-stack.c (stack_result): Aggregates are not returned in
16747 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16749 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16751 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16753 * basic-block.h (set_block_num): Declare.
16754 * flow.c (update_life_info): Don't call compute_bb_for_insn
16755 or free_basic_block_vars.
16756 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16757 (insn_orig_block): Remove.
16758 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16759 (schedule_block): Keep BLOCK_NUM up-to-date.
16760 (schedule_insns): Use compute_bb_for_insn.
16761 * recog.c (split_all_insns): Likewise.
16762 (peephole2_optimize): Likewise.
16764 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16766 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16767 if the pic register is used.
16769 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16771 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16772 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16773 if that tests TREE_PERMANENT.
16775 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16777 * cse.c (invalidate_for_call): Do not remove memory references from
16778 the table here. It's handled elsewhere.
16780 * haifa-sched.c (add_dependence): Protect references to the
16781 true dependency cache with #ifdef INSN_SCHEDULING.
16782 (remove_dependence): Similarly.
16784 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16785 to the cfg code that this is a return instruction.
16786 * mn10300.md (return_internal): Similarly.
16788 * combine.c (get_last_value): If the last set of a register
16789 is after subst_low_cuid, then we can not use it to determine
16790 the register's last value.
16792 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16794 * Makefile.in: Back out previous change.
16796 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16798 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16800 * haifa-sched.c (add_dependence): Only check/update the cache
16802 (remove_dependence): Likewise.
16803 (schedule_insns): Only create the true_dependency_cache if the
16804 average number of instructions in a basic block is very large.
16806 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16808 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16809 (ggc-simple.o): Likewise.
16810 (ggc-page.o): Likewise.
16812 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16814 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16815 Prototype for exported functions.
16816 (pre_lcm, pre_rev_lcm): Remove prototypes.
16817 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16818 (compute_available): Move to lcm.c, and change parameter order.
16819 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16820 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16821 (gcse_main): No longer call compute_preds_succs. Rebuild the
16822 set table after reach pre pass.
16823 (pre_insert_map, pre_delete_map, edge_list): New.
16824 (alloc_pre_mem): Allocate edge vectors.
16825 (free_pre_mem): Delete edge vectors.
16826 (compute_pre_data): Call new edge based lcm routines.
16827 (process_insert_insn): New function.
16828 (insert_insn_end_bb): Use it.
16829 (pre_edge_insert): New function.
16830 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16832 (pre_insert_copies): Revamp using new edge based lcm outputs.
16833 (pre_delete): Likewise.
16834 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16836 (compute_code_hoist_vbeinout): New new edge based routines.
16837 * lcm.c: Remove all the old LCM functions. Replace with new ones
16838 that work with the new cfg datastructures and work with edges
16841 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16843 * reload.h (struct reload): Add new fields "mode" and "nregs".
16844 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16845 to reference the "mode" and "nregs" field within struct reload.
16847 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16849 * haifa-sched.c (true_dependency_cache): New.
16850 (add_dependence): Use the true dependency cache to avoid expensive
16851 walks down the LOG_LINKS dependency list. Add entries to the
16852 cache as necessary.
16853 (remove_dependence): Remove entries from the true dependency cache
16855 (schedule_insns): Allocate and initialize and free the true
16858 * haifa-sched.c (schedule_insns): Do not remove inter-block
16859 dependencies anymore.
16861 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16863 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16864 * i386/t-winnt: Likewise.
16866 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16868 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16870 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16872 * Makefile.in (LANGUAGES): Omit "proto".
16873 (clean): Remove stale comment about removing unprotoize.c.
16875 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16877 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16878 using arithmetic on void pointers.
16880 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16882 * haifa-sched.c (compute_block_forward_dependencies): Only check
16883 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16885 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16887 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16888 (expr_equiv_p): Reject memories with different alias sets.
16890 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16892 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16893 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16894 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16895 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16896 (lang_init): Set default for flag_bounds_check if still "unspecified".
16898 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16900 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16902 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16904 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16907 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16909 * config/c4x/c4x.md (*db_noclobber,
16910 *decrement_and_branch_until_zero_noclobber): New patterns and
16911 associated splitters.
16913 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16915 * config/c4x/c4x.md (parallel instruction patterns): Rework
16916 constraints to keep reload happy.
16918 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16920 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16921 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16922 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16923 Add new patterns and associated post-reload splitters.
16925 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16927 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16929 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16931 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16933 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16935 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16937 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16940 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16942 * pa.c (move_operand): Rely on memory_address_p to determine the
16943 validity of non-indexed memory addresses.
16944 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16945 operand in DFmode and SFmode when generating PA2.0 code.
16947 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16949 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16951 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16953 * mips.c (function_prologue): Fix argument types.
16954 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16955 (casesi_internal): Write to the scratch register.
16957 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16959 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16961 (parse_charconst): Delete unnecessary cast when calling
16963 (cpplib.h): Kill prototype of cpp_parse_escape.
16965 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16967 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16968 * unroll.c (unroll_loop): Cast return value of alloca.
16969 * i370/i370.c: Include function.h and toplev.h.
16970 (i370_label_scan): Remove c++ commented abort.
16971 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16972 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16973 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16974 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16976 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16978 * config/t-freebsd: Do not override USER_H.
16979 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16981 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16982 Mumit Khan <khan@xraylith.wisc.edu>
16984 * c-parse.in (component_decl): Support anonymous struct/union.
16986 * c-parse.y: Regenerate.
16987 * c-parse.c: Likewise.
16988 * objc/objc-parse.y: Likewise.
16989 * objc/objc-parse.c: Likewise.
16990 * c-decl.c (finish_struct): Don't sort the fields.
16991 (field_decl_cmp): Delete unused function.
16993 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16995 * sparc.md (movsf_const_intreg): Revert last constraint change.
16996 (movdf_const_intreg_sp32): Likewise.
16998 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17000 * cse.c: Include hashtab.h instead of splay-tree.h
17001 (struct cse_reg_info): No longer use variant union. Add new
17002 field "regno". All references changed to avoid union.
17003 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17004 (free_cse_reg_info): Remove.
17005 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17006 (get_cse_reg_info): Revamp to use expandable hash tables instead
17007 of splay trees. Initialize new fields in cse_reg_info structure.
17008 (new_basic_block): Similarly.
17010 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17012 * genrecog.c (message_with_line): Prototype.
17013 (validate_pattern): Pass along the set for the dest, not a flag.
17014 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17015 Check for PC/CC0 as sources.
17016 (nodes_identical): Check for children position match before
17017 allowing the combination.
17019 * rtl.c (read_rtx): Track line number across \\\n.
17021 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17023 * mips.h (SPECIAL_MODE_PREDICATES): New.
17024 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17025 (movdi+1, movsi+1): Add output reload constraint.
17026 (casesi_internal): Likewise. Fix commentary.
17027 (return_internal): Use pmode_register_operand.
17029 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17031 * 1750a.md (movstrqi): Add missing output reload constraint.
17032 (call_value): Likewise.
17033 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17034 (jmpfdec): Add missing inout reload constraint.
17035 * elxsi.md (addsi patterns): Add missing output reload constraint.
17036 (move from sp): Use @ alternates.
17037 (call_value): No constraint on output.
17038 * fr30.md (movsi_pop): Add missing output reload constraint.
17039 (movsf_constant_store): Likewise.
17040 (splits): Remove constraints.
17041 (subsi3): Add missing mode.
17042 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17043 (call_value): Likewise.
17044 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17045 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17046 * m32r.md (movsicc_internal): Add output reload constraint.
17047 (movstrsi_internal): Add inout reload constraints.
17048 * m88k.h (reg_names): Don't declare.
17049 (SPECIAL_MODE_PREDICATES): New.
17050 * m88k.md (*): Use register_operand not reg_or_0_operand
17052 * mn10200.h (PREDICATE_CODES): New.
17053 * ns32k.md (ffs pattern): Add output reload constraint.
17054 * pdp11.md (sob pattern): Add inout reload constraint.
17055 * sh.md (splits): Remove constraints.
17056 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17057 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17058 * vax.md (jgequ pattern): Add inout reload constraint.
17060 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17062 * configure.in (djgpp): Revert previous patch.
17063 * configure: Rebuit.
17064 * config/i386/djgpp.h: Revert previous patch.
17066 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17068 * fixinc/inclhack.def: Restore patch lost during last merge of
17069 "no_bogosity" branch.
17070 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17072 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17074 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17075 * fixinc/inclhack.def: Same.
17076 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17078 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17080 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17081 as the base of a PLUS.
17083 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17085 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17086 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17088 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17090 * pa.md (post_stw+1): Use pmode_register_operand.
17091 (dcacheflush, icacheflush): Likewise.
17093 * i386.md (movstricthi_1): Allow r/r.
17095 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17097 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17098 to (not (and (arg0) (arg1))). Similary for and.
17100 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17101 fallthrough to associate code.
17102 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17105 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17106 no bits in common; remove XOR to ROTATE conversion.
17108 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17110 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17112 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17114 * config/c4x/c4x.c (dst_operand): New.
17115 (PREDICATE_CODES): Update.
17116 * config/c4x/c4x.h (dst_operand): Declare it.
17117 * config/c4x/c4x.md: Define mode for each unspec usage.
17118 (move patterns): Use dst_operand predicate instead of src_operand.
17119 (movqi_update, movqf_update): Delete.
17121 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17123 * recog.c (pmode_register_operand): New.
17124 * recog.h: Declare it.
17125 * genrecog.c (pred_codes): Likewise.
17126 (special_mode_pred_table): Likewise.
17127 (validate_pattern): Don't warn no mode for address_operand.
17129 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17130 if the operand is not insn-like.
17132 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17133 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17135 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17137 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17139 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17140 instead of general_operand in a SET_DEST. Use const_double_operand
17141 instead of an explicit test against CONST_DOUBLE.
17142 (movsf_const_lo): Add missing register mode.
17143 (goto_handler_and_restore): Add auxiliary test for Pmode.
17144 (flush): Adjust to use address_operand.
17145 (return_sf_no_fpu): Add missing output constraint.
17147 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17149 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17150 for call return value.
17151 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17153 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17155 * toplev.c (main): Only warn about options for other languages.
17156 * collect2.c (main): Pass -w to sub-gcc.
17158 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17160 * flow.c (propagate_block): Add call-clobbered registers to
17163 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17164 zapping mem_set_list.
17165 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17166 (mark_set_1, mark_used_regs): Likewise.
17168 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17170 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17172 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17174 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17175 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17176 options. Also add a new item "C-only Warning Options" to the
17179 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17181 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17182 from multiple calls.
17184 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17186 * i386.md (call value patterns): Move to the end of the file.
17187 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17189 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17191 * configure.in (djgpp configuration): Define extra_objects..
17192 * configure: Rebuilt.
17193 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17194 (DTORS_SECTION_ASM_OP): Define.
17195 (INIT_SECTION_ASM_OP): Define.
17196 (FINI_SECTION_ASM_OP): Define.
17197 (DATA_SECTION_ASM_OP): Define.
17198 (TEXT_SECTION_ASM_OP): Define.
17199 (EH_FRAME_SECTION_ASM_OP): Define.
17200 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17201 (STARTFILE_SPEC): Add crtbegin.o.
17202 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17203 to here from LINK_COMMAND_SPEC.
17204 (DO_GLOBAL_CTORS_BODY): Define.
17205 (CRTSTUFF_USE_FINI_SECTION): Define
17206 (HAS_INIT_SECTION): Delete.
17208 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17210 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17212 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17214 * pa.h (PREDICATE_CODES): New.
17216 * genrecog.c (validate_pattern): Condense the destination
17217 non-lvalue message.
17219 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17221 * alpha.md (call-1): Supply missing mode for operator.
17222 (*): Add missing output reload constraints. Remove constraints
17223 from define_splits.
17225 * i386.h (SPECIAL_MODE_PREDICATES): New.
17226 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17227 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17228 (addsi_lea_3): Add missing mode for op 3.
17229 (prologue_set_got, prologue_get_pc): Add missing modes.
17230 (*) Add missing output reload constraints.
17232 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17234 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17235 check for member bit-size overflow and use var_size if it occurs.
17236 (layout_record): Use bitsize_int() to define the type size in bits.
17237 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17238 (layout_decl): Likewise when assigning to DECL_SIZE.
17240 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17242 * genrecog.c (validate_pattern): Typo last change. Verify
17243 that output operands have output reloads.
17245 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17247 * genrecog.c (special_mode_pred_table): New.
17248 (NUM_SPECIAL_MODE_PREDS): New.
17249 (find_operand): New.
17250 (validate_pattern): New argument `insn'. Warn for assignment to
17251 any predicate accepting non-lvalues. Conditionaly warn for
17252 match_operand without a mode. Try much harder to match source
17253 and destination modes on a set.
17254 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17256 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17258 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17260 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17262 * combine.c (simplify_logical): Recognize xor pattern that encodes
17265 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17267 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17270 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17272 * ggc-page.c (MAP_FAILED): Provide default.
17274 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17276 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17277 * sparc.h (PREDICATE_CODES): Update.
17279 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17281 * alpha.c (some_ni_operand): New.
17282 * alpha-protos.h: Declare it.
17283 * alpha.h (PREDICATE_CODES): Update.
17284 * alpha.md (sXaddq reload insns): Use some_ni_operand
17285 for SET_DEST instead of some_operand.
17287 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17288 Jim Wilson <wilson@cygnus.com>
17290 * genrecog.c (maybe_both_true_2): Don't compare modes of
17292 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17293 after find_afterward.
17294 (debug_decision_1): Dump next and afterward codes.
17296 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17298 * rtl.c (dump_and_abort): Remove.
17299 (fatal_with_file_and_line): New.
17300 (fatal_expected_char): New.
17301 (read_rtx_lineno, read_rtx_filename): New.
17302 (read_skip_spaces): Track line number.
17303 (read_name): Use fatal_with_file_and_line.
17304 (read_rtx): Use fatal_expected_char. Track line number.
17305 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17307 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17308 if it isn't a CODE_LABEL.
17310 * genattr.c (main): Set read_rtx_filename.
17311 * genattrtab.c (main): Likewise.
17312 * gencodes.c (main): Likewise.
17313 * genconfig.c (main): Likewise.
17314 * genemit.c (main): Likewise.
17315 * genextract.c (main): Likewise.
17316 * genflags.c (main): Likewise.
17317 * genopinit.c (main): Likewise.
17318 * genoutput.c (main): Likewise.
17319 * genpeep.c (main): Likewise.
17321 * genrecog.c (decision_test.u.insn): Add `lineno'.
17322 (pattern_lineno, error_count): New variables.
17323 (message_with_line): New.
17324 (add_to_sequence): Break out checking code to ...
17325 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17326 (merge_insn): Use message_with_line.
17327 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17328 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17330 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17332 * expr.c (store_constructor): Clear union if constructor is empty.
17334 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17336 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17337 Add !endian checks. Change %{...} to %(...).
17339 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17341 * i386.md (*addsi3_cc): Renamed from addcsi3.
17342 (*addsi3_carry): Renamed from addxsi3.
17343 (*subsi3_cc): Renamed from subcsi3.
17344 (*subsi3_carry): Renamed from subxsi3.
17345 (*xorqi_cc_1): Renamed from xorcqi_1.
17346 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17347 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17349 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17351 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17352 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17354 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17356 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17357 climb up the chain of insns.
17359 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17361 * genrecog.c (write_subroutine): Careful for null trees.
17362 (process_tree): Don't elide empty functions.
17364 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17366 * Makefile.in (genrtl.o): Depend on ggc.h.
17367 * configure.in (valloc): Probe for it.
17368 (with-gc): Use ggc-page if valloc present.
17369 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17370 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17371 (ggc_alloc_string): Moved from ggc-page.c.
17372 * ggc-none.c (ggc_alloc_obj): New.
17373 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17374 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17375 (struct globals): Likewise for dev_zero_fd.
17376 (init_ggc): Likewise for it's initialization.
17377 (ggc_allocated_p): Move careful dereference from ...
17378 (ggc_lookup_page_table): ... here. Delete.
17379 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17380 (alloc_anon): Use valloc if no mmap.
17381 (release_pages): Use free if using valloc.
17382 (ggc_alloc_obj): Renamed from alloc_obj.
17383 (ggc_set_mark): Renamed from mark_obj.
17384 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17385 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17386 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17387 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17388 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17389 (ggc_collect): Use fp printing instead of our own rounding.
17390 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17391 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17392 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17393 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17394 (struct ggc_string, struct ggc_any): Delete.
17395 (offsetof): Provide default definition.
17396 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17398 (struct ggc_mem): New, from corpse of ggc_any.
17399 (struct ggc_status): Delete.
17400 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17401 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17402 (n_strings_collected, n_anys_collected): Delete.
17403 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17404 (ggc_alloc_string, ggc_alloc): Delete.
17405 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17406 (ggc_free_string, ggc_free_any): Delete.
17407 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17408 (ggc_compare_addresses, ggc_mark_string): Delete.
17409 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17410 (search_data): Delete.
17411 (struct globals): New.
17412 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17413 (tree_insert, tree_lookup): New.
17414 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17415 (clear_marks, sweep_objs): New.
17416 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17417 (init_ggc): Set allocated_last_gc.
17418 (ggc_push_context): Gut. Use G.context.
17419 (ggc_pop_context): Likewise.
17420 (ggc_pop_context_1): New.
17421 (debug_ggc_tree): New.
17422 (debug_ggc_balance, tally_leaves): New.
17423 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17424 (ggc_mark_string_if_gcable): Remove decl.
17425 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17426 (ggc_mark_rtvec_children): New.
17427 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17428 (ggc_mark_if_gcable): New decl.
17429 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17430 (ggc_alloc_tree, ggc_alloc): Likewise.
17431 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17432 (ggc_alloc_obj): New decl.
17433 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17434 (ggc_alloc_tree, ggc_alloc): Likewise.
17435 (ggc_set_mark): New decl.
17436 * rtl.h (struct rtx_def): Remove gc_mark.
17437 (struct rtvec_def): Likewise.
17438 * tree.h (struct tree_common): Likewise.
17440 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17442 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17443 float_format and thread_file definitions.
17444 * configure: Rebuilt.
17446 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17448 * extend.texi (Function Names): Document types of function names.
17450 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17452 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17453 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17455 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17457 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17459 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17461 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17463 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17465 * collect2.c (main): Do prelimnary link on AIX if rflag.
17467 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17469 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17470 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17472 (__do_global_dtors): similarly for __DTOR_LIST__.
17474 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17475 Diego Novillo <dnovillo@cygnus.com>
17477 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17480 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17482 * fixincl/*: Merged "no_bogosity" branch
17483 * fixincl/fixlib.h: protect against doubly defining t_bool
17484 * fixincl/server.h: protect against doubly defining t_bool
17486 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17488 * genoutput.c: Include toplev.h.
17490 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17492 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17494 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17495 * configure: Regenerate.
17497 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17499 * gcse.c (delete_null_pointer_checks): Returns void.
17501 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17503 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17504 * emit-rtl.c (copy_insn_1): Likewise.
17506 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17508 * config/mips/mips.c (mips_build_va_list): Correct
17509 TREE_CHAIN setting when hard-float.
17510 (mips_va_start): Use corrected setting.
17511 (mips_va_arg): Likewise. Also pass a tree to build of
17512 POSTINCREMENT_EXPR rather than a naked 'int'.
17514 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17516 * ggc.h (ggc_push_context): Fix comment.
17517 (ggc_pop_context): Likewise.
17518 (mark_string_if_gcable): Likewise.
17519 * ggc-common.c (ggc_mark_rtx_children): Use
17520 ggc_mark_string_if_gcable.
17521 * ggc-page.c (ggc_lookup_page_table): New function.
17522 (ggc_allocated_p): Likewise.
17523 (mark_obj): Fix formatting.
17524 (ggc_mark_string_if_gcable): New function.
17525 * ggc-simple.c (ggc_allocated_strings): New variable.
17526 (ggc_strings_used): Likewise.
17527 (ggc_compare_addresses): New function.
17528 (ggc_pop_context): Pop the `any' memory too.
17529 (ggc_mark_string_if_gcable): New function.
17530 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17532 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17534 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17535 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17536 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17539 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17541 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17542 (sched_reg_live_length, sched_reg_basic_block): Delete.
17543 (current_block_num, bb_live_regs, old_live_regs): Delete.
17544 (dead_notes, struct sometimes): Delete.
17545 (sched_note_set, birthing_insn_p): Delete.
17546 (adjust_priority): Gut useless reg lifetime code.
17547 (create_reg_dead_note, attach_deaths): Delete.
17548 (attach_deaths_insn, new_sometimes_live): Delete.
17549 (finish_sometimes_live): Delete.
17550 (find_pre_sched_live, find_post_sched_live): Delete.
17551 (update_reg_usage): Delete.
17552 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17553 (schedule_insns): Delete reg lifetime code.
17554 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17555 (unlink_other_notes): Adjust REG_NOTE commentary.
17556 (reemit_notes): Use REG_SAVE_NOTE.
17557 (schedule_block): Likewise.
17558 (schedule_region): Allocate bitmap of blocks in region. Use
17559 count_or_remove_death_notes. Use update_life_info.
17561 * rtl.h (REG_SAVE_NOTE): New.
17562 * rtl.c (reg_note_name): Update.
17564 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17566 * combine.c (refresh_blocks, need_refresh): New.
17567 (combine_instructions): Allocate refresh_blocks. Invoke
17568 update_life_info if needed.
17569 (distribute_notes): Mark refresh_blocks instead of installing
17571 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17572 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17574 * Makefile.in (recog.o): Depend on basic-block.h.
17576 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17578 * genrecog.c (add_to_sequence): Thinko last change: delete
17579 shadowing allow_const_int variable.
17581 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17583 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17584 __GNUC__ and __GNUC_MINOR__.
17586 * gansidecl.h: Likewise.
17592 * toplev.h: Likewise.
17594 * tree.c: Likewise.
17596 * tree.h: Likewise.
17598 * varray.c: Likewise.
17600 * varray.h: Likewise.
17602 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17604 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17605 use one before a jump table.
17607 * rtl.def (ADDRESS): Change documentation to match reality.
17608 * md.texi: Don't document it.
17609 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17612 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17614 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17616 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17617 known predicate block; default allow_const_int true.
17618 (debug_decision_list): New.
17620 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17622 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17624 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17626 * gcse.c (gcse_main): Avoid global optimizations if we have a
17627 large number of basic blocks and the ratio of edges to blocks
17629 (delete_null_pointer_checks): Likewise.
17631 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17633 * c-common.c (check_format_info): Warn if format string isn't a
17636 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17638 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17639 * configure: regenerate
17641 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17643 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17644 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17645 (peepholes): Re-enable.
17647 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17649 * Makefile.in (flow.o): Depend on TREE_H.
17650 * basic-block.h (REG_SET_EQUAL_P): New.
17651 (XOR_REG_SET): New.
17652 (n_edges): Declare.
17653 (free_regset_vector): Remove declaration.
17654 (flow_delete_insn_chain): Declare.
17655 (enum update_life_extent): New.
17656 (update_life_info, count_or_remove_death_notes): Declare.
17657 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17658 Verify register live at bb->global_live_at_start before adding USE.
17659 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17660 (CLEAN_ALLOCA): New.
17662 (PROP_*): New flags.
17663 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17664 (clear_edges): Zero n_edges.
17665 (make_edge): Increment n_edges.
17666 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17667 (flow_delete_insn_chain): Export.
17668 (delete_block): Decrement n_edges.
17669 (merge_blocks_nomove): Likewise.
17670 (life_analysis): Give life_analysis_1 PROP flags.
17671 (verify_wide_reg_1, verify_wide_reg): New.
17672 (verify_local_live_at_start): New.
17673 (update_life_info): Rewrite to call into propogate_block.
17675 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17676 always mark stack pointer. Conditionally mark PIC register.
17677 After reload, mark call-saved registers, return regsiters.
17678 (life_analysis_1): Accept PROP flags not remove_dead_code.
17679 Call mark_regs_live_at_end before zeroing regs_ever_live.
17680 Use calculate_global_regs_live. Copy global_live_at_end before
17681 calling final propagate_block. Zero reg_next_use on exit.
17682 (calculate_global_regs_live): New.
17683 (allocate_bb_life_data): Don't allocate bb->local_set.
17684 (init_regset_vector, free_regset_vector): Remove.
17685 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17686 Test flags before every operation. Warn if prologue/epilogue insn
17687 would have been deleted.
17688 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17689 Use alloc_EXPR_LIST.
17690 (mark_used_regs): Accept and use FLAGS, not FINAL.
17691 Remove special handling for RETURN.
17692 (try_pre_increment): Use alloc_EXPR_LIST.
17693 (dump_flow_info): Dump n_edges.
17694 (unlink_insn_chain, split_hard_reg_notes): Remove.
17695 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17696 (find_insn_with_note, new_insn_dead_notes): Remove.
17697 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17698 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17699 (replace_insns): Remove.
17700 (count_or_remove_death_notes): New.
17701 (verify_flow_info): Abort on error after all checks.
17702 (remove_edge): Decrement n_edges.
17703 (remove_fake_edges): Tweak format.
17704 * haifa-sched.c (schedule_insns): Use split_all_insns.
17705 * output.h (update_life_info): Remove declaration.
17706 * recog.c (split_all_insns): From the corpse of split_block_insns,
17707 do the whole function block by block. Use update_life_info.
17708 (recog_last_allowed_insn): New.
17709 (recog_next_insn): Mind it.
17710 (peephole2_optimize): Set it. Walk backwards through blocks.
17711 Use update_life_info.
17712 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17713 (split_all_insns): Declare.
17714 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17715 Use split_all_insns.
17717 * i386.md (or -1 peep2s): Disable.
17719 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17721 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17722 a single pattern. Scrap the 'd' versions as unnecessary.
17724 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17725 tablejump_mips162,tablejump_internal4): The operands to a
17726 label_ref must be VOIDmode.
17728 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17730 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17732 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17734 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17736 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17738 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17739 cache every function if ggc_p.
17741 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17743 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17744 instead of copy_rtx. Accept sequences that contain asm statements.
17745 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17746 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17747 orig_asm_operands_vector, copy_asm_operands_vector,
17748 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17750 * rtl.h (copy_insn, copy_insn_1): Declare.
17752 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17754 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17756 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17757 arguments to `current_file_function_operand'.
17759 * genrecog.c: Include hard-reg-set.h and resource.h in the
17760 generated output file.
17762 * real.c: Include tm_p.h.
17764 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17766 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17769 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17771 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17772 before the fctiwz insn.
17774 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17775 Mark Mitchell <mark@codesourcery.com>
17777 * tree.c (make_lang_type_fn): New funtion pointer.
17778 (make_lang_type): Call it.
17779 * tree.h (make_lang_type): Declare.
17780 (make_lang_type_fn): Likewise.
17781 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17783 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17785 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17786 make sure that HIGH instructions are copied into BASE_REGS.
17788 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17790 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17792 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17794 * c-decl.c (finish_struct): Use simpler method of
17795 removing elements of a singly-linked list.
17797 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17799 * alpha.md (peephole2's): Comment out peephole2's that generate
17802 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17804 * genrecog.c (add_to_sequence): Disable mode check for
17807 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17809 * ggc-simple.c (init_ggc): Set empty_string.
17811 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17813 * configure.in: Detect mmap. Add --with-gc=foo to select
17814 garbage collector; default to page if mmap available.
17815 * Makefile.in (GGC): Substitute.
17817 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17819 * c-decl.c (ggc_p): Enable.
17821 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17823 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17825 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17827 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17828 string for little-endian-data.
17830 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17832 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17833 case somebody tries to compile --enable-checking code with gcc
17836 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17838 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17841 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17843 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17844 * jump.c (jump_optimize_1): Document why.
17846 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17848 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17849 pointers and casts for `int_handler' and `quit_handler'.
17851 * flow.c (verify_flow_info, split_hard_reg_notes,
17852 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17853 remove_edge, remove_fake_successors): Add static prototypes.
17854 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17855 (mark_set_1): Initialize variable `regno'.
17856 (unlink_insn_chain): Likewise for variable `curr'.
17857 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17859 * loop.c (strength_reduce): Initialize variable
17860 `unrolled_insn_copies'.
17861 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17862 prototypes. Change these functions to take const PTR parameters
17863 to avoid prototype conflict when used as the comparson argument
17865 (check_dbra_loop): Initialize variable `comparison_val'.
17867 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17868 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17869 (find_valid_class): Initialize variable `best_class'.
17870 (find_reloads): Call memcpy, not bcopy.
17872 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17873 (hard_reg_use_compare): Don't needlessly cast away const.
17874 (reload_reg_class_lower): Likewise.
17875 (choose_reload_regs): Initialize variable `regno'.
17877 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17879 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17881 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17883 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17884 ({,d}discard): Add forward declarations. Declare parameter as
17886 (main_without_main): Explicitly declare return type to be int.
17887 (memcpy): Properly declare.
17889 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17890 building the trampoline support, declare malloc, free, and
17892 (__clear_cache): Mark arguments as potentially unused.
17894 * frame.c (toplevel): If inhibit_libc is defined, declare
17897 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17899 * flow.c (make_edge): Accept an optional 2D bitmap in which
17900 to cache edge existence. Update all callers.
17901 (make_label_edge, make_eh_edge): Pass through the edge cache.
17902 (make_edges): Provide the cache.
17904 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17906 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17908 (local_mbtowc): Change the type of variable `i' from int to size_t.
17910 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17911 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17913 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17915 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17916 after other includes that define the appropriate types. Include
17917 tm_p.h for getting user prototypes.
17918 * ggc-callbacks.c (toplevel): Ditto.
17919 * ggc-none.c (toplevel): Ditto.
17920 * gcc-page.c (toplevel): Ditto.
17921 * ggc-simple.c (toplevel): Ditto.
17923 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17924 Jonathan Larmour <jlarmour@cygnus.co.uk>
17926 * config/mips/mips.c (mips_move_2words): Split doubles if
17927 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17929 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17931 * genrecog.c (struct decision_test): New.
17932 (struct decision): Remove test-related members, sort the rest by size.
17933 (IS_SPLIT): Simplify.
17934 (new_decision, new_decision_test): New.
17935 (add_to_sequence): Use them. No special handling for args of
17937 (maybe_both_true): Renamed from not_both_true; return sense changed.
17938 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17939 of maybe_both_true and adjusted for decision_test.
17940 (position_merit): Remove.
17941 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17942 (merge_accept_insn): New, broken out of merge_trees.
17943 (merge_trees): Use them. No special case for c_test; no node
17944 splitting; use test type instead of position_merit.
17945 (factor_tests): New.
17946 (simplify_tests): New.
17947 (break_out_subroutines): Don't write code now.
17948 (find_afterward): New.
17949 (write_afterward, write_switch, write_cond): New.
17950 (write_action, is_unconditional): New.
17951 (write_node): New. Use them.
17952 (write_tree_1): Rewrite. Use the new functions above.
17953 (write_tree): Remove afterward processing.
17954 (write_subroutine): Simplify function variant emission.
17955 (write_subroutines): New.
17956 (same_codes, clear_codes): Remove.
17957 (same_modes, clear_modes): Remove.
17958 (write_header): New, broken out of main.
17959 (make_insn_sequence): Use new_decision and new_decision_test.
17960 (process_tree): New, broken out of main.
17961 (main): Adjust for merge_trees interface change.
17962 Don't #define operands in the output file.
17963 (record_insn_name): New, broken out of make_insn_sequence.
17964 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17965 (debug_decision): New.
17967 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17969 * resource.c (find_free_register): Mark class_str argument const.
17970 * resource.h: Update prototype to match.
17972 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17973 * i386.md: Give all anonymous insns names.
17975 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17977 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17980 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17982 * toplev.c (dbr_sched_time): Unconditional.
17983 (peephole2_time): New.
17984 (compile_file): Add pass numbers to all of the dump file suffixes.
17985 Dump peephole2_time. Don't dump times for non-applicable passes.
17986 (rest_of_compilation): Add pass numbers to dump file suffixes.
17987 Conditionalize calls to the scheduler.
17988 * invoke.texi: Update.
17990 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17992 * flow.c (make_edges): Fix insn iteration.
17993 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17994 (find_basic_blocks_1): Fix spelling mistake.
17996 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17998 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17999 always have side-effects. Use memset not bzero.
18000 (make_node): Likewise.
18002 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18004 * stmt.c (expand_anon_union_decl): When any of the elements of the
18005 union is addressable, so is the entire union.
18007 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18009 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18011 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18012 * bitmap.c (bitmap_operation): Return true iff TO changed.
18013 (bitmap_equal_p): New.
18014 (bitmap_bit_p): Tidy arithmetic.
18015 (debug_bitmap_file): Likewise.
18017 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18019 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18020 before cse2 instead of after.
18022 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18024 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18027 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18029 * cppinit.c (is_idchar initializer): Loosen tests to accept
18032 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18034 * mips.md: Define conditional move patterns for floating point
18035 operands and DI mode conditions.
18037 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18039 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18040 always have side-effects.
18042 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18044 * mn10200.c (asm_file_start): Fix typo.
18046 * cppinit.c (is_idchar initializer): Tighten tests for when
18047 to put the table into initialized memory.
18049 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18050 not an array of rtunion.
18051 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18052 * gcc-simple (ggc_free_rtvec): Similarly.
18054 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18057 * mbchar.h: Add missing #endif.
18059 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18060 (FPBIT, DPBIT): Define.
18062 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18064 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18066 * profile.c (instrument_arcs, output_gcov_string,
18067 tablejump_entry_p): Add static prototypes.
18068 (output_gcov_string): Constify a char*.
18070 * regmove.c (replacement_quality, fixup_match_2): Add static
18073 * resource.h (reg_dead_p): Add extern prototype.
18075 * rtl.c (trim_filename): Add static prototype.
18077 * scan-decls.c (skip_to_closing_brace): Likewise.
18079 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18080 (expand_end_case): Initialize variable `range'.
18081 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18083 * varasm.c (asm_emit_uninitialised): Add static prototype.
18084 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18087 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18089 * cpplib.c (if_directive_nameo): Add static prototype.
18091 * cse.c (cse_insn): Remove unused variable `p'.
18093 * except.c (create_rethrow_ref, push_entry,
18094 receive_exception_label, new_eh_region_entry, find_func_region,
18095 clear_function_eh_region, process_nestinfo): Add static prototypes.
18096 (get_reg_for_handler): Hide definition.
18097 (process_nestinfo): Initialize variable `extra_handlers'.
18099 * expr.h (expand_builtin_longjmp): Add extern prototype.
18101 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18103 * function.c (prepare_function_start): Likewise.
18104 (pop_function_context_from): Mark parameter `context' with
18106 (push_temp_slots_for_block, flush_addressof): Hide definition.
18108 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18109 solve_program_flow_graph, calculate_branch_probs,
18110 function_summary, main, fancy_abort): Add prototypes.
18112 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18113 (add_hash): Constify a char*.
18115 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18116 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18117 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18119 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18121 * lists.c (free_list, zap_lists): Likewise.
18123 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18125 * alias.c (nonlocal_reference_p): Add static prototype.
18127 * bitmap.c (bitmap_element_allocate): Prototype args in function
18130 * builtins.c (stabilize_va_list): Add static prototype.
18131 (expand_builtin_va_arg): Constify a char*.
18133 * c-lex.c (getch, put_back, extend_token_buffer_to,
18134 read_line_number, token_getch, token_put_back): Add static
18137 * c-parse.gperf (hash, is_reserved_word): Likewise.
18139 * cccp.c (is_dir_separator): Likewise.
18141 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18143 * graph.h: New file to prototype functions exported by graph.c.
18145 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18147 * graph.c: Include graph.h.
18149 * toplev.c: Likewise. Remove redundant prototypes.
18151 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18153 * invoke.texi: Removed duplicated description for -Q.
18155 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18157 * extend.texi: Grammar fix in __extension__ text.
18159 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18161 * md.texi (define_peephole2): New section.
18163 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18165 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18166 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18169 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18171 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18173 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18175 * i386.md (ffs expander): Emit Pentium friendly code for
18178 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18180 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18182 (build1): Likewise.
18184 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18186 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18188 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18190 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18191 register is in use.
18193 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18195 * md.texi (No Constraints): Delete section.
18196 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18197 * final.c (final_scan_insn): We always have register constraints.
18198 * genattrtab.c: Don't include "insn-config.h".
18199 (write_attr_case): We always have register constraints.
18200 * genconfig.c (register_constraint_flag): Delete.
18201 (walk_insn_part): Don't check whether we have register constraints.
18202 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18203 * genoutput.c (have_constraints): Delete.
18204 (main): Don't set it.
18205 (output_operand_data): We always have constraints.
18206 (scan_operands): Likewise.
18207 (compare_operands): Likewise.
18208 * local-alloc.c (block_alloc): We always have constraints.
18209 (requires_inout): Always compile this function.
18210 * recog.c (extract_insn): We always have constraints.
18211 (constrain_operands, reg_fits_class_p): Always compile these
18213 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18215 (struct insn_operand_data): Likewise.
18216 * regclass.c (regclass): We always have constraints.
18217 (record_reg_classes, copy_cost, record_address_regs,
18218 auto_inc_dec_reg_p): Always compile these functions.
18219 * regmove.c (regmove_optimize): We always have constraints.
18220 * reload.c (find_reloads): Likewise.
18221 * reload1.c (reload): Likewise.
18222 (reload_cse_simplify_operands): Likewise.
18223 * i860.c (output_delay_insn): Likewise.
18225 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18227 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18229 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18231 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18232 for the va_list record.
18234 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18236 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18239 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18241 * alias.c: Include insn-flags.h.
18242 * Makefile.in (alias.o): Update.
18244 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18246 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18247 to LTU and GEU. Handle more cases using sbb.
18249 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18251 * i386.md (truncatexfdf splitters): Do not use subreg.
18252 (fop XFmode patterns): Fix mode in operand testing.
18254 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18256 * jump.c (jump_optimize_1): Amend last change to test only the
18257 form of the operand, not the insn.
18259 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18260 not register_operand to determine when B may need preloading.
18262 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18264 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18265 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18266 (call-value patterns): Move to end of file.
18267 (*): Remove mode from label_ref in (pc) context.
18268 (movstrqi): Use memory not general_operand for BLKmode operands.
18269 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18270 to register_operand operands.
18271 (peep2 patterns): Convert from commented-out peephole patterns.
18273 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18275 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18276 to BUILT_IN_INIT_DWARF_REG_SIZES.
18277 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18278 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18279 expand_builtin_init_dwarf_reg_sizes.
18280 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18281 with __builtin_init_dwarf_reg_size_table.
18282 * dwarf2out.c (struct reg_size_range): Delete.
18283 (expand_builtin_init_dwarf_reg_sizes): New function.
18284 (expand_builtin_dwarf_reg_size): Delete.
18285 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18286 (expand_builtin_dwarf_reg_size): Don't declare.
18287 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18288 (dwarf_reg_size_table): New.
18289 (init_reg_size_table): New function.
18290 (copy_reg): Use dwarf_reg_size_table.
18291 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18294 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18296 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18297 Correctly build argument list to constructor and destructor functions.
18299 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18301 * c-tree.h (warn_float_equal): Declare.
18302 * c-decl.c (warn_float_equal): Define.
18303 (c_decode_option): Recognize -W[no-]float-equal.
18304 * c-typeck.c (build_binary_op): Conditionally warn
18305 about equality tests of floating point types.
18306 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18307 * invoke.texi: Add docs for -Wfloat-equal warning.
18309 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18311 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18312 generating RTL directly.
18313 * mips.h (INIT_TARGET_OPTABS): Likewise.
18314 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18316 * expr.h (init_mov_optab): Delete declaration
18318 * h8300.c (WORD_REG_USED): Update to avoid useless register
18319 saves in interrupt functions and functions which never return.
18321 * cse.c (struct set): Delete inner_dest_loc field.
18322 (cse_insn): Remove assignments to inner_dest_loc field.
18324 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18326 * ggc-page.c: Don't include <unistd.h> etc taken care of
18327 by "system.h". Include <sys/mman.h> afterward.
18329 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18331 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18334 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18336 * xcoffout.c (xcoffout_declare_function): Add documentation.
18337 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18338 TARGET_64BIT. Compare constant to -1, not bit pattern.
18339 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18340 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18343 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18345 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18346 origin_die is NULL.
18347 (gen_inlined_enumeration_type_die): Do not abort if the type has
18348 not been writeen out.
18349 (gen_inlined_structure_type_die): Do not abort if the type has
18350 not been writeen out.
18351 (gen_inlined_union_type_die): Do not abort if the type has
18352 not been writeen out.
18353 (gen_tagged_type_instantiation_die): Do not abort if the type
18354 has not been written out.
18356 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18358 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18360 * reg-stack.c (straighten_stack): Copy hard reg set with
18363 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18365 * builtins.c (stabilize_va_list): Stabilize array type va_list
18366 to a pointer type, not the base record type.
18367 (expand_builtin_va_copy): Dereference the pointers explicitly;
18368 use the correct size for the copy.
18370 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18371 (rs6000_va_arg): Likewise.
18373 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18375 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18377 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18379 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18381 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18383 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18385 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18386 (init_ggc): Use it instead of a constant.
18387 (ggc_collect): Bound allocated_last_gc by it.
18389 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18391 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18394 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18396 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18397 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18398 * configure: Regen.
18399 * config/mips/openbsd.h: New, OpenBSD little endian target.
18400 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18401 * config/mips/xm-openbsd.h: New, OpenBSD host.
18403 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18405 * config/m68k/m68k.c (output_function_prologue,
18406 output_function_epilogue): Use
18407 current_function_uses_pic_offset_table instead of regs_ever_live
18408 to decide whether to save/restore pic register.
18409 (legitimize_pic_address): Don't modify regs_ever_live any more.
18411 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18413 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18414 * stor-layout.c (variable_size): Don't add sizes to the pending
18415 sizes list if x_dont_save_pending_sizes_p is set.
18417 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18419 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18420 for symbolic_operand().
18421 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18423 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18425 * combine.c (gen_rtx_combine): Add missing call to va_end().
18427 * final.c (asm_fprintf): Likewise.
18429 * genattrtab.c (attr_rtx): Likewise.
18431 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18433 * cse.c: Update comments.
18434 (cse_insn): When converting a conditional/computed jump into
18435 an unconditional jump, always make sure a BARRIER immediately
18436 follows the converted jump. Do not delete unreachable code.
18437 (cse_basic_block): Do not delete unreachable code.
18438 * toplev.c (rest_of_compilation): Move call to
18439 delete_trivially_dead_insns after the conditional call to
18442 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18444 * collect2.c (make_temp_file): Don't prototype.
18446 * gcc.c (make_temp_file): Likewise.
18448 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18450 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18452 * varasm.c (asm_emit_uninitialised): New function: Generate
18453 the assembler statements necessary to declare an uninitialised
18455 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18457 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18458 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18460 (assemble_variable): Use asm_emit_uninitialised to emit an
18461 uninitialised variable.
18463 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18465 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18466 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18467 <geoffk@cygnus.com>.
18469 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18471 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18472 * c-common.h (builtin_function): Don't declare.
18474 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18476 (pushdecl): Likewise.
18477 (finish_decl): Likewise.
18478 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18479 int. All callers changed.
18480 Set the builtin's DECL_BUILT_IN_CLASS.
18481 * tree.h (enum built_in_class): New.
18482 (enum built_in_function): Delete NOT_BUILT_IN.
18483 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18485 (DECL_SET_FUNCTION_CODE): Likewise.
18486 (DECL_BUILT_IN_CLASS): New macro.
18487 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18488 (struct tree_decl): Split builtin function code field into a
18490 (builtin_function): Declare.
18492 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18494 * optabs.c (init_traps): Fix typo in last change.
18496 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18498 * toplev.c (rest_of_decl_compilation): Update comment.
18500 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18502 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18503 in .sbss if appropriate.
18504 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18505 (SBSS_SECTION_ASM_OP): New macro.
18506 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18507 (EXTRA_SECTIONS): Add in_sbss.
18508 * config/mips/mips.h: Prototype sbss_section.
18510 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18512 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18515 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18517 * optabs.c (init_traps): Register trap_rtx as a GC root.
18519 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18521 * config/mips/mips.c (function_arg_pass_by_reference): Define
18522 unconditionally, since it's called unconditionally.
18524 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18526 * toplev.c (documented_lang_options): Add -fshort-wchar.
18527 * c-decl.c (c_decode_option): Likewise.
18528 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18530 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18531 * gcc.c (default_compilers): If -fshort-wchar,
18532 override __WCHAR_TYPE__.
18533 * tm.texi (C Dialect Options): Add -fshort-wchar.
18535 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18536 symbol for a variable.
18538 * cpplib.h (CPP_PREPROCESSED): New macro.
18539 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18540 we're seeing this input for a second time.
18542 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18544 * emit-rtl.c (init_emit_once): Initialize modes first.
18546 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18548 * config/i386/i386.c (pic_label_name): Change to char pointer.
18549 (global_offset_table): New variable.
18550 (load_pic_register): Fill global_offset_table if it hasn't
18551 already been done. Allocate pic_label_name dynamically.
18552 * ggc.h (empty_string): New variable.
18553 * ggc-simple.c (empty_string): Likewise.
18554 (init_ggc): Allocate empty_string and add as root.
18555 * stmt.c (digit_strings): New variable.
18556 (init_stmt): Add last_block_end_note as root. Allocate and
18557 initialize digit_strings.
18558 (expand_asm_operands): Use empty_string instead of string
18559 constant. Use digit_strings instead of string constants.
18560 * profile.c (init_arc_profiler): Allocate string with
18561 ggc_alloc_string instead of xmalloc.
18562 (output_func_start_profiler): Likewise.
18563 * c-typeck.c (digest_init): Check if init is error_mark_node.
18565 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18566 Richard Henderson <rth@cygnus.com>
18568 * ggc-page.c: New file.
18569 * Makefile.in (ggc-page.o): New.
18571 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18573 * invoke.texi: Document -fdelete-null-pointer-checks
18574 * toplev.c (flag_delete_null_pointer_checks): New.
18575 (f_options): Add entry for -fdelete-null-pointer-checks.
18576 (rest_of_compilation): Conditionalize null pointer check
18577 elimination on flag_delete_null_pointer_checks.
18578 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18580 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18582 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18583 copyright notice and special exception to GPL.
18585 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18587 * abi64.h (mips_function_value): Add prototype arguments.
18589 * mips-protos.h: New file with mips prototypes.
18591 * mips.c: Include "tm_p.h".
18592 (mktemp, lookup_name): Add prototype arguments.
18593 (extern_list, string_constant, mips_fill_delay_slot,
18594 mips_output_external, mips_output_external_libcall,
18595 mips_output_filename, mips_declare_object, function_prologue,
18596 mips_expand_prologue, function_epilogue, mips16_constant,
18597 build_mips16_function_stub, mips_output_conditional_branch):
18599 (mips_va_start): Remove unused variable `u'.
18600 (mips_va_arg): Cast value to unsigned when comparing against one.
18602 (save_restore_insns, mips_expand_prologue): Add missing arg in
18603 call to `large_int'.
18605 * mips.h: Move prototypes to mips-protos.h.
18606 (data_section, memory_address_p, rdata_section,
18607 readonly_data_section, simple_epilogue_p, text_section): Delete
18608 prototypes delcared elsewhere.
18609 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18611 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18613 * mips.md: Delete extra args in call to `mips_move_2words'.
18615 * xm-iris6.h (alloca): Add prototype argument.
18617 * genpeep.c: Include "tm_p.h" in generated output file.
18619 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18621 * basic-block.h (find_edge_index): Change parameters.
18622 * flow.c (verify_edge_list): Pass basic_block parameters to
18623 find_edge_index instead of integers.
18625 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18627 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18630 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18632 * gcc.1: Fix a formatting error.
18634 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18636 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18637 i786, mn10200, mn10300, pdp11, v850.
18639 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18641 * libgcc2.c (num_digits): Add prototype with
18642 __attribute__((const)).
18643 (__terminate): Add prototype.
18645 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18647 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18649 * alpha/alpha.c (print_operand): Fix type of `code'.
18650 (alpha_output_filename): Constify.
18651 * alpha/alpha.h: Move all function declarations ...
18652 * alpha/alpha-protos.h: ... here. New file.
18653 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18654 (SECTION_FUNCTION_TEMPLATE): Likewise.
18656 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18658 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18659 * expr.c (expand_expr): Likewise.
18660 (do_jump): Likewise.
18661 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18662 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18664 (enum can_compare_purpose): New.
18665 (can_compare_p): Adjust prototype.
18666 (prepare_cmp_insn, prepare_operand): Declare.
18667 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18668 * optabs.c (cmp_available_p): Deleted.
18669 (expand_abs): Pass ccp_jump to can_compare_p.
18670 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18671 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18672 Call can_compare_p rather than cmp_available_p.
18673 (prepare_operand): No longer static.
18674 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18675 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18676 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18677 sequence to use emit_cmp_and_jump_insns.
18678 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18680 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18682 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18683 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18684 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18685 (plus (reg) (const_int 0))
18686 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18688 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18690 * rs6000.c (expand_block_move): DImode loads and stores require
18691 word-aligned displacements. Increment address registers with
18692 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18694 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18696 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18697 is no name for the base type, rather than segfault. If we are
18698 writing out a complex integer type, use DW_ATE_lo_user.
18700 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18701 in one word or less (complex char, complex short, or on 64 bit
18702 systems complex float) to/from a hard register, copy it through
18703 memory instead of dying in gen_{real,imag}part. If we have a
18704 short complex type, prevent inlining since it allocates stack
18707 * tree.c (build_complex_type): If we are writing dwarf2 output,
18708 generate a name for complex integer types.
18710 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18712 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18713 * flow.c (remove_edge): Remove extra whitespace.
18714 (remove_fake_edges): Fix comment.
18715 (add_noreturn_fake_exit_edges): Use the correct name.
18717 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18719 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18720 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18721 (clean): Depend on INTL_CLEAN.
18722 (maintainer-clean): Adjust.
18724 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18726 * configure.in (AC_PREREQ): Bump to 2.13.
18727 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18729 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18731 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18733 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18735 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18736 (HAVE_STRINGIZE): Define.
18738 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18740 * c-parse.in: save and restore warn_pointer_arith on __extension__
18741 along with pedantic.
18742 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18743 Set the type of extension to itype rather than $<itype>1 kludge.
18744 * extend.texi (Alternate Keywords): Adjust documentation.
18745 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18747 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18749 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18750 most assembler templates.
18752 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18753 FP loads and stores.
18754 (following_call): Always return zero for the PA8000.
18755 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18756 FP loads and stores.
18757 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18759 * pa.h (BRANCH_COST): Define.
18761 * pa.md (return, return_internal): Use bve for PA2.0.
18763 * pa.md (fused multiply): Add variants which reduce height for the
18764 fused multiply, but which still generate 2 insns.
18765 (fnegabs): Similarly.
18767 * pa.md (subsi3): Turn into an expander. Create two anonymous
18768 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18769 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18771 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18773 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18775 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18776 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18778 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18781 * flow.c (record_active_eh_regions): Terminate loop after finding
18782 the last insn in the last basic block.
18784 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18786 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18788 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18790 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18792 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18794 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18795 splitting to not use output template.
18797 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18799 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18800 * config/c4x/c4x.c (c4x_va_start): New function.
18802 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18804 * genrecog.c (not_both_true): Handle correctly cases when called for
18805 tests with different positions in the insn.
18807 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18809 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18811 * system.h (HOST_PTR_PRINTF): ... to here.
18813 * mips-tfile.c: Don't include machmode.h.
18815 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18816 (mips-tfile.o): Don't depend on machmode.h.
18818 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18820 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18821 avoid conflicts with typedef struct `region' at the top level scope.
18823 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18825 * basic-block.h (basic_block): Add eh_beg, eh_end.
18826 * flow.c (entry_exit_blocks): Update.
18827 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18828 Call new functions.
18829 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18830 lists.c functions to allocate insn lists.
18831 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18833 (make_eh_edge): ... here. New.
18834 (move_stray_eh_region_notes): New.
18835 (record_active_eh_regions): New.
18836 (delete_unreachable_blocks): Split out block merging ...
18837 (try_merge_blocks): ... here. New.
18838 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18839 Dump debugging data.
18840 (merge_blocks_move_successor_nojumps): Likewise.
18841 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18843 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18845 * extend.texi (Bound member functions): Document unbound pmf
18848 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18850 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18851 has the EXIT_BLOCK as a dest.
18853 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18855 * flow.c (remove_edge): New function to remove an edge from the
18857 (remove_fake_successors): New function to remove fake successor edges.
18858 (remove_fake_edges): New function to remove all fake edges from the
18860 (add_fake_exit_edges): New function to add fake edges from all blocks
18861 with no successors to the exit block.
18862 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18863 prototypes for new functions.
18865 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18867 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18868 Use Pmode to determine whether to output .dword or .word.
18870 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18872 * tree.c (built_in_filename): New variable.
18873 (BUILT_IN_FILENAME): New macro.
18874 (init_tree_codes): Allocate built_in_filename.
18875 (make_node): Use built_in_filename instead of string constant.
18877 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18879 * configure.in: Add fr30 target.
18880 * configure: Regenerate.
18881 * config/fr30: New directory.
18882 * config/fr30/crti.asm: New file.
18883 * config/fr30/fr30.c: New file.
18884 * config/fr30/crtn.asm: New file.
18885 * config/fr30/fr30.h: New file.
18886 * config/fr30/fr30.md: New file.
18887 * config/fr30/lib1funcs.asm: New file.
18888 * config/fr30/t-fr30: New file.
18889 * config/fr30/xm-fr30.h: New file.
18891 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18893 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18894 BARRIER at the end of the successor, not the BARRIER before
18897 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18899 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18901 * stmt.c (any_pending_cleanups): Don't crash when
18902 current_function->stmt is unset.
18904 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18906 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18907 other initializations that may use it for relative offsets.
18909 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18911 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18912 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18913 * config/i386/sol2dbg.h: Removed.
18914 * config/i386/sol2gas.h: New file, to enable gas work-around.
18915 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18916 Don't use sol2dbg.h.
18917 * configure: Rebuilt.
18919 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18921 * invoke.texi (-fthis-is-variable): Remove documentation.
18923 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18925 * basic-block.h (compute_bb_for_insn): Declare.
18926 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18927 to use; set size of basic_block_for_insn directly.
18928 (find_basic_blocks): Update.
18930 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18932 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18934 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18936 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18937 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18939 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18941 * c-decl.c (c_decode_option): Extend comment.
18943 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18945 * toplev.c (progname): Make 'const char *'
18946 (flag_print_mem): Move out of main.
18947 (version_flag): Move out of main.
18948 (filename): Move out of main.
18949 (debug_args): Remove g prefix from options.
18950 (documented_lang_options): Remove cpplib specific options.
18951 (display_help): Add g prefix to debug options.
18952 (check_lang_option): Delete this function.
18953 (decode_d_option): New function: Decode -d... option.
18954 (decode_f_option): New function: Decode -f... option.
18955 (decode_W_option): New function: Decode -W... option.
18956 (decode_g_option): New function: Decode -g... option.
18957 (independent_decode_option): New function: Decode a language
18958 independent command line option.
18959 (main): Invoke lang_decode_option and then
18960 independent_decode_option on each command line option in
18963 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18965 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18966 * fold-const.c (fold_range_test): Do not try to fold the range
18967 test if the rhs or lhs has side effects.
18969 * basic-block.h (compute_flow_dominators): Declare.
18971 * gcse.c (alloc_code_hoist_mem): New function.
18972 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18973 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18974 (hoist_code, one_code_hoisting_pass): Likewise.
18975 (gcse_main): If optimizing for size, then hoist expressions
18976 computed in multiple dominated basic blocks.
18978 * gcse.c (invalid_nonnull_info): New function.
18979 (delete_null_pointer_checks): Likewise.
18980 * rtl.h (delete_null_pointer_checks): Declare.
18981 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18983 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18984 (merge-blocks_move_successor_nojumps): Likewise.
18985 (merge_blocks): Allow merging of some blocks, even if it requires
18986 physical movement of the blocks, but not if it requires new jumps.
18988 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18989 Callers and prototype changed.
18990 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18992 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18994 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18995 -YP when both -p and -pg are present. From i386/sol2.h.
18997 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18999 * Makefile.in (distclean): Delete tm_p.h.
19000 * configure.in: Create a new file, "tm_p.h", from a list in
19001 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19002 "i386/i386-protos.h".
19004 * alias.c: Include "tm_p.h".
19005 * c-typeck.c: Likewise.
19006 * calls.c: Likewise.
19008 * emit-rtl.c: Likewise.
19009 * explow.c: Likewise.
19010 * expmed.c: Likewise.
19011 * expr.c: Likewise.
19012 * final.c: Likewise.
19013 * flow.c: Likewise.
19014 * fold-const.c: Likewise.
19015 * function.c: Likewise.
19016 * gcse.c: Likewise.
19017 * global.c: Likewise.
19018 * haifa-sched.c: Likewise.
19019 * integrate.c: Likewise.
19020 * jump.c: Likewise.
19021 * local-alloc.c: Likewise.
19022 * loop.c: Likewise.
19023 * optabs.c: Likewise.
19024 * recog.c: Likewise.
19025 * reg-stack.c: Likewise.
19026 * regclass.c: Likewise.
19027 * regmove.c: Likewise.
19028 * reload.c: Likewise.
19029 * reload1.c: Likewise.
19030 * reorg.c: Likewise.
19031 * resource.c: Likewise.
19032 * stmt.c: Likewise.
19033 * stor-layout.c: Likewise.
19034 * toplev.c: Likewise.
19035 * tree.c: Likewise.
19036 * unroll.c: Likewise.
19037 * genattrtab.c (main): Make generated file include "tm_p.h".
19038 * genemit.c (main): Likewise.
19039 * genoutput.c (main): Likewise.
19040 * genrecog.c (main): Likewise.
19042 * i386.h: Delete all prototypes.
19043 * i386.c: Include "tm_p.h".
19044 (ix86_attr_length_default): Call constant_call_address_operand
19045 with correct number of arguments.
19046 * i386-protos.h: New file.
19047 * i386.md (unnamed patterns): Call constant_call_address_operand
19048 with correct number of arguments.
19049 (exception_receiver): Call load_pic_register with correct number
19052 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19054 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19056 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19058 * rtl.h (insns_safe_to_move_p): New function.
19059 * loop.c (find_and_verify_loops): Use it.
19060 * rtlanal.c (insns_safe_to_move_p): Define it.
19062 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19064 * c-pragma.c: Include ggc.h.
19065 * Makefile.in (c-pragma.o): Update.
19067 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19069 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19070 (LIB_SPEC): Likewise.
19071 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19072 Reindent -YP/-p/-pg.
19073 Copied from config/sparc/sol2.h.
19075 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19077 * c-pragma.c (mark_align_stack): New.
19078 (init_pragma): New.
19079 * c-pragma.h (init_pragma): Declare it.
19080 * c-lex.c (init_parse): Call it.
19082 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19084 * configure.in: Pick up thread library on Solaris/x86 just
19085 like on Solaris/sparc.
19086 * configure: Rebuilt.
19088 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19090 * rtl.h (global_rtx_index): New enum.
19091 (global_rtl): Change to array of rtx.
19092 (pc_rtx, cc0_rtx): Redefine accordingly.
19093 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19094 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19095 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19096 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19097 (const_int_rtx): Change to array of rtx.
19098 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19100 * emit-rtl.c (global_rtl): Change to array of rtx.
19101 (const_int_rtx): Change to aray of rtx.
19102 (gen_rtx_CONST_INT): Redefine accordingly.
19103 (init_emit_once): Allocate and initialize global_rtl. Likewise
19104 for const_int_rtx. Add both as GC roots.
19105 * genattrtab.c (global_rtl): Update declaration.
19107 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19109 * Makefile (USER_H): Add iso646.h back.
19111 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19113 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19114 zapping the LOG_LINKS of sched_before_next_call.
19116 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19117 * pa.c (insn_refs_are_delayed): Renamed from
19118 insn_sets_and_refs_are_delayed.
19120 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19122 * functiion.h (struct function): Add x_whole_function_mode_p.
19123 (retrofit_block): Declare.
19124 * function.c (retrofit_block): New function.
19125 (identify_blocks): Add assertions. Allow an incomplete set of
19126 block notes if we're still generating code for the function.
19127 * integrate.c: Include loop.h.
19128 (expand_inline_function): Call find_loop_tree_blocks to map block
19129 notes to blocks when in whole-function mode. Use retrofit_block
19130 to insert new BLOCKs for the inlined function, rather than
19132 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19133 * Makefile.in (integrate.o): Depend on loop.h.
19135 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19137 * tree.h (warn_about_unused_variables): Declare.
19138 * stmt.c (warn_about_unused_variables): New function, split out
19140 (expand_end_bindings): Here.
19142 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19144 * stmt.c (preserve_subexpressions_p): Don't crash when
19145 current_function->stmt is unset.
19147 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19149 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19150 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19151 (expand_start_target_temps): Use it.
19152 * except.c (expand_eh_region_start_for_decl): Likewise.
19153 * expr.c (expand_expr): Likewise.
19155 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19157 * fold-const.c (operand_equal_p): Pay attention to side effects.
19159 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19161 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19162 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19164 * tlink.c (scan_linker_output): Look for keywords before accepting
19165 a mangled name in quotes.
19167 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19169 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19170 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19172 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19174 * alpha.md: Revert Thu Nov 26 change that came in through the
19175 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19176 Avoid earlyclobber when possible.
19178 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19180 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19182 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19183 Define HAVE_ON_EXIT.
19185 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19187 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19188 CTYPE_CONV in all ctype macros.
19190 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19193 * cexp.y (initialize_random_junk): Likewise.
19195 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19197 * i370.c (handle_pragma): Likewise.
19199 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19201 * v850.c (override_options): Likewise.
19203 * doprint.c (_doprnt): Likewise.
19205 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19208 * fixinc/server.c (load_data): Likewise.
19210 * fold-const.c (real_hex_to_f): Likewise.
19212 * genattr.c (write_upcase, gen_attr): Likewise.
19214 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19215 write_upcase): Likewise.
19217 * genemit.c (print_code): Likewise.
19219 * genopinit.c (gen_insn): Likewise.
19221 * genpeep.c (print_code): Likewise.
19223 * genrecog.c (print_code): Likewise.
19225 * optabs.c (init_libfuncs): Likewise.
19227 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19229 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19231 (reemit_notes): Likewise.
19233 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19235 * ggc.h (ggc_root): Move to ggc-common.c.
19237 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19238 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19239 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19240 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19241 * ggc-common.c (ggc_root): Move from ggc.h.
19242 (roots): Declare, static.
19243 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19244 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19245 null or check/set mark bit.
19246 (ggc_mark_roots): New.
19247 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19249 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19251 * m32r.c: Include toplev.h.
19252 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19253 (gen_compare): Rename swap_p to must_swap to match uses.
19254 Add default abort case.
19255 (m32r_output_function_epilogue): Remove unused variables.
19256 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19257 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19258 define to empty parameter list. Update all uses.
19259 (predicate decls): Use enum machine_mode not int.
19260 * m32r.md (movsi): Call abort, not fatal_insn.
19261 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19263 1999-09-14 Andrew Haley <aph@cygnus.com>
19265 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19266 use $0 instead of 0.
19268 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19270 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19271 computation out of loop over hard regs.
19273 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19275 * function.c (identify_blocks): Don't shadow a variable in an
19277 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19278 pushdecl, or poplevel to build up the new BLOCK tree.
19279 (expand_inline_function): Likewise.
19280 (integrate_parm_decls): Likewise.
19282 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19284 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19286 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19288 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19289 * invoke.texi: Document this change.
19291 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19293 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19295 (mark_emit_status): Renamed from mark_emit_state.
19296 * except.c (mark_eh_status): Renamed from mark_eh_state.
19297 Check not null before marking.
19298 (free_eh_status): New.
19299 * expr.c (mark_expr_status, free_expr_status): New.
19300 * function.c (free_machine_status): New.
19301 (free_after_parsing): New.
19302 (free_after_compilation): Move bits to free_after_parsing; call
19303 free_eh_status, free_expr_status; zero the marked members of the
19305 (prepare_function_start): No can_garbage_collect.
19306 Call init_eh_for_function.
19307 (expand_dummy_function_end): Free up current_function state.
19308 (mark_function_status): Renamed from mark_function_state.
19309 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19310 * function.h (struct function): No can_garbage_collect.
19311 (free_machine_status, free_after_parsing): Declare.
19312 (free_eh_status, free_expr_status): Declare.
19313 * ggc.h (mark_expr_status): Declare.
19314 * stmt.c (free_stmt_status): Free the struct.
19315 (mark_stmt_status): Renamed from mark_stmt_state.
19316 (init_stmt): Don't call init_eh.
19317 (init_stmt_for_function): Don't call init_eh_for_function.
19318 * toplev.c (compile_file): Call init_eh.
19319 (rest_of_compilation): Free basic block info before ggc_collect.
19320 Call free_after_parsing; conditionally call free_after_compilation.
19321 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19322 Check not null before marking.
19323 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19325 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19327 * c-lex.c (yylex): Initialize warn.
19329 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19331 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19332 register when performing secondary reloads for the SAR register.
19334 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19336 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19337 (NOTE_BLOCK): New macro.
19338 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19339 * function.h (identify_blocks): Change prototype.
19340 * function.c (identify_blocks): Simplify.
19341 (reorder_blocks): Likewise.
19342 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19343 NOTE_INSN_BLOCK_{BEG,END}.
19344 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19345 the list of saved notes if the note isn't a
19346 NOTE_INSN_BLOCK_{BEG,END}.
19347 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19349 (reemit_notes): Adjust recreation of notes to reflect new saved
19351 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19352 printing a block note.
19353 * stmt.c (block_vector): Remove.
19354 (find_loop_tree_blocks): Simplify.
19355 (unroll_block_trees): Likewise.
19356 * tree.h (reorder_block): Change prototype.
19358 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19360 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19361 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19362 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19363 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19364 (atexit, exit): Simplify.
19365 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19366 * config/lots: Remove defns of HAVE_ATEXIT.
19368 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19370 * calls.c (precompute_arguments): Fix typo in comment.
19371 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19374 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19376 * dsp16xx.c (override_options): Fix typos in GC root registration.
19378 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19380 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19381 from config/svr4.h.
19382 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19383 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19384 (CC1_SPEC): Likewise.
19386 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19388 * genattr.c (main): Add extern prototype. Call return, not exit.
19389 * genattrtab.c (main): Likewise.
19390 * gencheck.c (main): Likewise.
19391 * gencodes.c (main): Likewise.
19392 * genconfig.c (main): Likewise.
19393 * genemit.c (main): Likewise.
19394 * genextract.c (main): Likewise.
19395 * genflags.c (main): Likewise.
19396 * gengenrtl.c (main): Likewise.
19397 * genopinit.c (main): Likewise.
19398 * genoutput.c (main): Likewise.
19399 * genpeep.c (main): Likewise.
19400 * genrecog.c (main): Likewise.
19402 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19403 * genattrtab.c (get_insn_name): Likewise.
19404 * gencodes.c (get_insn_name): Likewise.
19405 * genconfig.c (get_insn_name): Likewise.
19406 * genemit.c (get_insn_name): Likewise.
19407 * genextract.c (get_insn_name): Likewise.
19408 * genflags.c (get_insn_name): Likewise.
19409 * genopinit.c (get_insn_name): Likewise.
19410 * genpeep.c (get_insn_name): Likewise.
19412 * gencheck.c (usage): Add static prototype.
19413 * genextract.c (print_path): Constify a char*.
19414 * genopinit.c (optabs): Likewise.
19415 * genoutput.c (operand_data, data, output_predicate_decls,
19416 compare_operands): Likewise.
19417 * genrecog.c (write_tree): Add default case in switch.
19419 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19421 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19423 * print-rtl.c (get_insn_name): Remove prototype.
19425 * toplev.h (progname): Declare const.
19427 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19428 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19429 dump_sched_info, dump_local_alloc, regset_release_memory,
19430 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19431 error_with_file_and_line, error_with_decl, error_for_asm, error,
19432 fatal, warning_with_file_and_line, warning_with_decl, warning,
19433 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19434 Remove redundant prototypes.
19436 (notice, check_lang_option, report_file_and_line, vnotice,
19437 mark_file_stack): Add static prototype.
19438 (set_fatal_function): Add prototype.
19439 (vnotice, report_file_and_line, set_fatal_function,
19440 check_lang_option): Constify a char*.
19441 (main): Prototype. Call return, not exit.
19443 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19445 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19447 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19449 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19451 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19453 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19455 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19456 behave as if it's zero in all cases.
19457 (expand_function_start): Adjust call to assign_parms.
19458 * tree.h (assign_parms): Adjust prototype.
19459 * objc/objc-act.c (hack_method_prototype): Adjust call to
19462 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19464 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19465 arg_pointer_rtx fixed if the argument pointer register is
19467 (NONZERO_BASE_PLUS_P): Likewise.
19469 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19471 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19472 match_insn2 to match_insn.
19473 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19475 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19477 * Makefile.in (USER_H): Remove va-foo.h.
19479 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19480 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19481 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19482 va-spur.h,va-v850.h}: Remove.
19484 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19486 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19487 (in_return_delay): Use it instead of match_insn.
19489 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19491 * config/alpha/va_list.h (va-alpha.h): Do not include.
19492 (__gnuc_va_list): Typedef as in varargs.h.
19494 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19496 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19497 DECL_LIVE_RANGE_RTL.
19499 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19501 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19502 not NOTE_BLOCK_NUMBER.
19503 (expand_eh_region_end): Likewise.
19504 (find_exception_handler_labels): Likewise.
19505 (scan_region): Likewise.
19506 (exception_optimize): Likewise.
19507 (update_rethrow_references): Likewise.
19508 (set_insn_eh_region): Likewise.
19509 * final.c (final_scan_insn): Likewise.
19510 * flow.c (make_edges): Likewise.
19511 * integrate.c (expand_inline_function): Likewise.
19512 * print-rtl.c (print_rtx): Likewise.
19514 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19516 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19517 terms of builtin functions and types.
19519 * mips.c (mips_build_va_list): New.
19520 (mips_va_start, mips_va_arg): New.
19521 * mips.h (BUILD_VA_LIST_TYPE): New.
19522 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19524 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19525 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19526 * sh.h (BUILD_VA_LIST_TYPE): New.
19527 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19529 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19531 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19532 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19533 (struct insn_data): Likewise with n_operands, n_dups,
19534 n_alternatives, output_format.
19535 * regclass.c (scan_one_insn): Cast n_operands to int before
19536 arithmetic inside comparison.
19538 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19540 * toplev.c (compile_function): Unconditionally emit nop.
19542 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19544 * haifa-sched.c (actual_hazard): Move declaration of variable
19545 `this_cost' into the scope where it is used.
19547 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19549 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19550 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19551 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19553 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19555 * jump.c (find_insert_position): Don't declare or define unless
19556 !HAVE_conditional_arithmetic.
19557 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19559 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19561 * recog.c (offsettable_address_p): Prototype function pointer.
19562 (preprocess_constraints): Call memset, not bzero.
19564 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19565 (gcc_obstack_init): Don't declare.
19566 (fix_sizetype): Add static prototype.
19567 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19568 (tree_cons): Call memset, not bzero.
19570 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19571 definition in macro ASM_WEAKEN_LABEL.
19572 (mark_const_hash_entry): Add static prototype.
19574 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19576 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19578 * unroll.c (find_common_reg_term, subtract_reg_term,
19579 loop_find_equiv_value): Add static prototypes.
19580 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19581 (copy_loop_body): Remove unreachable break statement.
19583 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19585 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19587 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19589 Undo some changes from the gcc2 merge:
19590 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19591 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19595 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19596 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19597 initialized float-int union if the value is a NaN.
19599 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19601 * gthr-win32.h: New file.
19603 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19604 shared as a valid attribute.
19605 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19606 * extend.texi: Document `shared' variable attribute.
19608 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19610 * configure.in: Handle --enable-threads on FreeBSD.
19611 * configure: Rebuit.
19613 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19615 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19617 * configure: Rebuilt.
19619 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19620 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19621 Rosimildo DaSilva <rdasilva@connecttel.com>
19623 * configure.in (m68k-*-rtemscoff*): Added.
19624 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19625 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19626 sparc-rtems configuration.
19627 * configure.in (sparc-*-rtemself*): Added.
19628 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19629 * config/i386/rtems.h: Added comment.
19630 * config/sparc/rtemself.h: New file.
19632 * configure.in (m68k-rtemself): Added.
19633 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19634 and DWARF_DEBUGGING_INFO.
19635 * config/m68k/crti.s: New file.
19636 * config/m68k/crtn.s: New file.
19637 * config/m68k/t-crtstuff: New file.
19638 * config/m68k/rtemself.h: New file.
19640 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19641 global ctor/dtor and C++ exception handling.
19642 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19643 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19645 * config/i386/t-rtems-i386: New File.
19647 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19649 * stmt.c (expand_end_case): Return right away if the case stack is
19652 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19654 * Makefile.in (version.c): Remove rule incorrectly brought in from
19657 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19659 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19660 * msdos/top.sed: Take into account a prepended $(SHELL) to
19662 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19664 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19666 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19668 * regmove.c (fixup_match_1): Don't change an unchanging register.
19669 (stable_but_for_p): Renamed to:
19670 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19671 Changed all callers.
19673 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19675 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19676 insn from BL2 is after the insn from BL.
19678 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19680 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19681 (struct insn_data): Merge `template' and `outfun' into `output'.
19682 Add `output_format'.
19683 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19684 (struct data): Remove `outfun'; add `output_format'.
19685 (name_for_index): Remove declaration.
19686 (output_insn_data): Handle output formats.
19687 (process_template): Emit the bare array for @.
19688 (gen_expand, gen_split): Set output_format to NONE.
19689 * output.h (get_insn_template): Declare.
19690 * final.c (get_insn_template): New.
19691 (final_scan_insn): Use it.
19692 * toplev.c (compile_file): Likewise.
19694 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19695 * i860/i860.c (output_delayed_branch): Likewise.
19696 (output_delay_insn): Likewise.
19698 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19700 * rtl.c (obstack_alloc_rtx): Removed.
19702 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19704 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19706 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19708 * i386.c (call_insn_operand): Reject const_int.
19709 (expander_call_insn_operand): Use call_insn_operand.
19711 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19713 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19715 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19717 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19718 Use DImode operation.
19720 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19722 * gcc.c: Include sys/resource.h.
19723 (report_times): New flag.
19724 (execute): If report_times is set, calculate and report the
19725 CPU time consumed by each subprocess.
19727 (rus, prus): New globals.
19728 (option_map): Add --time.
19729 (display_help): Document -time.
19730 (process_command): Set report_times if -time is given.
19731 Turn off -pipe if -time is given.
19733 * invoke.texi: Document new option -time.
19735 * configure.in: Check for getrusage. Check if we have to
19736 prototype getrusage.
19737 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19738 * configure: Regenerate.
19739 * config.in: Regenerate.
19741 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19743 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19746 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19748 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19749 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19750 (nan): Return _thenan_sf or _thenan_df as appropriate.
19751 (L_thenan_sf): Define _thenan_sf.
19752 (L_thenan_df): Define _thenan_df.
19754 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19755 (DPBIT_FUNCS): Add _thenan_df.
19757 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19759 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19762 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19764 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19767 (lang_specific_driver): Don't take a function pointer parameter.
19768 All callers changed.
19770 * gcc.c: Include gcc.h.
19771 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19772 lang_specific_extra_outfiles, fatal): Don't declare.
19773 (multilib_defaults_raw): Constify.
19774 (read_specs): Call memset, rather than bzero.
19775 (main): Call return, not exit.
19776 (lookup_compiler): Call memcpy, not bcopy.
19777 (fatal): Make extern.
19779 * cppspec.c: Include gcc.h.
19780 (lang_specific_driver): Initialize variable `quote'. Constify a
19781 char*. All calls to the function pointer parameter now
19782 explicitly call `fatal'.
19784 * gccspec.c (lang_specific_driver): Include gcc.h.
19786 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19788 * arm.c (note_invalid_constants): Use recog_data.operand_type
19791 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19793 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19796 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19797 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19798 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19799 reload_secondary_in_reload, reload_secondary_out_reload,
19800 reload_secondary_in_icode, reload_secondary_out_icode,
19801 reload_reg_rtx, reload_when_needed): Delete declarations.
19802 (struct reload): New structure.
19803 (rld): Declare new array.
19804 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19805 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19806 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19807 reload_secondary_in_reload, reload_secondary_out_reload,
19808 reload_secondary_in_icode, reload_secondary_out_icode,
19809 reload_reg_rtx, reload_when_needed): Delete definitions.
19811 (whole file): Replace uses of the deleted arrays with uses of rld.
19812 * reload1.c (whole file): Replace uses of the deleted arrays with
19814 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19815 explicit loops, not with bcopy.
19817 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19819 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19820 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19821 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19822 insn_name): Delete and consolidate into new structures.
19823 (insn_operand_predicate_fn): New.
19824 (insn_output_fn): New.
19825 (insn_gen_fn): New.
19826 (struct insn_operand_data): New.
19827 (struct insn_data): New.
19829 (OUT_FCN): Update for insn_data change.
19830 * builtins.c (expand_builtin_strlen): Likewise.
19831 (expand_builtin_memcmp): Likewise.
19832 * combine.c (make_extraction, simplify_comparison): Likewise.
19833 * cse.c (canon_reg, cse_insn): Likewise.
19834 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19835 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19836 (emit_store_flag): Likewise.
19837 * expr.c (convert_move, emit_block_move): Likewise.
19838 (clear_storage, emit_push_insn, expand_increment): Likewise.
19839 (do_store_flag): Likewise.
19840 * expr.h (GEN_FCN): Likewise.
19841 (insn_gen_function): Die.
19842 * final.c (final_scan_insn): Update for insn_data change.
19843 (output_asm_name): Likewise.
19844 * function.c (fixup_var_refs_1): Likewise.
19845 * loop.c (check_dbra_loop): Likewise.
19846 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19847 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19848 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19849 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19850 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19851 * regmove.c (gen_add3_insn): Likewise.
19852 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19853 (find_reloads, find_reloads_address_1): Likewise.
19854 (debug_reload_to_stream): Likewise.
19855 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19856 * stmt.c (expand_end_case): Likewise.
19857 * toplev.c (compile_file): Likewise.
19859 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19860 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19862 * print-rtl.c (insn_name_ptr): Remove declaration.
19863 (get_insn_name): Declare.
19864 (print_rtx): Use it.
19865 * genoutput.c (insn_name_ptr): Remove.
19866 (next_operand_number): New.
19867 (struct operand_data): New.
19868 (null_operand, odata, odata_end): New.
19869 (struct data): Use struct operand_data.
19870 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19871 (get_insn_name): Renamed from name_for_index.
19872 (output_prologue): Define NO_MD_PROTOTYPES.
19873 (output_predicate_decls): Break out from output_epilogue.
19874 Iterate over the operands list.
19875 (output_operand_data): Break out from output_epilogue. Emit
19876 just the operands list.
19877 (output_insn_data): Break out from output_epilogue. Emit just
19879 (output_epilogue): Remove.
19880 (output_get_insn_name): New.
19881 (constraints, op_n_alternatives, predicates, address_p): Die.
19882 (modes, strict_low, seen): Die.
19883 (scan_operands): Take new param `d' instead of writing to
19884 seven global variables.
19885 (compare_operands): New.
19886 (place_operands): New.
19887 (validate_insn_alternatives): Update for struct data change.
19888 (gen_insn): Don't zero or copy 7 global arrays. Update for
19889 scan_operands; call place_operands.
19890 (gen_peephole, gen_expand, gen_split): Likewise.
19891 (main): Update for new output routines.
19893 * genattr.c (insn_name_ptr): Remove.
19894 (get_insn_name): New function.
19895 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19896 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19897 * genrecog.c: Likewise.
19899 * alpha.md (adddi3): Make `pattern' array static.
19901 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19903 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19904 c4x_cpu_version_string): Constify char *.
19905 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19906 c4x_cpu_version_string): Likewise.
19908 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19910 * tree.c (save_tree_status): Revert 10 Sep change.
19911 (restore_tree_status): Likewise. Call obstack_free with NULL
19912 before freeing the obstack proper.
19914 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19916 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19918 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19919 surrounding context.
19921 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19923 * tree.c (type_hash_canon): Put all types in the hash-table, when
19926 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19928 * recog.h (struct recog_data, recog_data): New.
19929 (recog_foo variables): Kill.
19930 * recog.c (recog_operand, recog_operand_loc): Kill.
19931 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19932 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19933 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19934 (recog_data): Define.
19935 (extract_insn): Update all recog_foo references to use recog_data.
19936 (preprocess_constraints, constrain_operands): Likewise.
19937 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19938 * genattrtab.c (main): Likewise.
19939 * genextract.c (main): Likewise.
19940 * genoutput.c: Likewise.
19941 * genrecog.c (write_subroutine, main): Likewise.
19942 * local-alloc.c (block_alloc): Likewise.
19943 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19944 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19945 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19946 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19947 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19948 (reload_cse_simplify_operands): Likewise.
19950 * arc/arc.c (arc_final_prescan_insn): Likewise.
19951 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19952 * h8300/h8300.c (notice_update_cc): Likewise.
19953 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19954 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19955 * mn10200/mn10200.c (notice_update_cc): Likewise.
19956 * mn10300/mn10300.c (notice_update_cc): Likewise.
19957 * romp/romp.c (update_cc): Likewise.
19958 * sparc/sparc.c (check_pic): Likewise.
19959 * v850/v850.c (notice_update_cc): Likewise.
19961 * genemit.c (main): Don't declare recog_operand.
19963 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19965 * ggc.h (rtvec_def): Forward declare.
19966 (tree_node): Likewise.
19967 (ggc_root): Define.
19969 (ggc_set_mark_rtx): Add prototype.
19970 (ggc_set_mark_rtvec): Likewise.
19971 (ggc_set_mark_tree): Likewise.
19972 * ggc-simple.c (ggc_root): Don't define.
19973 (roots): Don't declare.
19974 (ggc_mark_rtx): Remove.
19975 (ggc_mark_rtvec): Likewise.
19976 (ggc_mark_tree): Likewise.
19977 (ggc_mark_varray): Likewise.
19978 (ggc_mark_tree_hash_table_entry): Likewise.
19979 (ggc_mark_tree_hash_table): Likewise.
19980 (ggc_set_mart_rtx): New function.
19981 (ggc_set_mark_rtvec): Likewise.
19982 (ggc_set_mark_tree): Likewise.
19983 (ggc_add_root): Remove.
19984 (ggc_add_rtx_root): Likewise.
19985 (ggc_remove_tree_root): Likewise.
19986 (ggc_add_string_root): Likewise.
19987 (ggc_add_tree_varray_root): Likewise.
19988 (ggc_add_tree_hash_table_root): Likewise.
19989 (ggc_del_root): Likewise.
19990 (ggc_mark_rtx_ptr): Likewise.
19991 (ggc_mark_tree_ptr): Likewise.
19992 (ggc_mark_string_ptr): Likewise.
19993 (ggc_mark_tree_varray_ptr): Likewise.
19994 (ggc_mark_tree_hash_table_ptr): Likewise.
19995 * ggc-common.c: New file.
19996 * Makefile.in (OBJS): Add ggc-common.o.
19997 (ggc-common.o): List dependencies.
19999 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20001 * cppalloc.c (xstrdup): Use memcpy.
20002 * cpperror.c (cpp_print_containing_files): Don't use
20004 * cpplib.c (conditional_skip): Set temp->lineno.
20005 (do_endif): Make error message less obscure.
20006 (if_directive_name): New function.
20007 (cpp_get_token [case EOF]): Unwind the if stack and generate
20008 error messages for each unterminated conditional in this file.
20009 (parse_string): Do not behave differently if -traditional.
20011 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20013 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20014 va_list decomposing to pointer-type.
20015 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20016 (rs6000_va_arg): Likewise.
20018 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20020 * except.c (start_dynamic_handler): Compute size using
20021 STACK_SAVEAREA_MODE.
20023 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20025 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20026 include directory headers. Don't define strrchr. Don't provide
20027 my_* replacement functions. Prefer PTR over `pointer_type'.
20028 Don't prototype system functions. Don't redefine getopt.
20030 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20031 safe_read, safe_write, save_pointers, restore_pointers,
20032 is_id_char, in_system_include_dir, directory_specified_p,
20033 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20034 find_corresponding_lparen, referenced_file_is_newer,
20035 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20036 process_aux_info_file, identify_lineno, check_source,
20037 seek_to_line, forward_to_next_token_char, output_bytes,
20038 output_string, output_up_to, other_variable_style_function,
20039 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20040 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20041 find_static_definition, connect_defs_and_decs, add_local_decl,
20042 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20043 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20044 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20045 scan_for_missed_items, edit_file, string_list_cons): Add static
20047 (standard_exec_prefix, target_machine, target_version,
20048 default_syscalls_dir, string_list, string_list_cons, find_file,
20049 do_cleaning): Constify a char*.
20050 (safe_read, safe_write): Use PTR, not a char*.
20051 (is_id_char): Take an int, not a char.
20052 (main): Add prototype. Call return, not exit.
20054 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20056 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20057 when comparing types.
20059 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20061 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20062 (strength_reduce): Release the varrays from the no-bivs early exit.
20064 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20065 the loop over the registers.
20067 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20069 (restore_tree_status): Check that instead when freeing the obstack.
20071 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20073 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20076 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20078 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20079 operand size modifiers.
20081 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20083 * c-common.c (c_common_nodes_and_builtins): Don't build
20085 * c-common.h (enum c_tree_index and related accesor macros): Remove
20086 everything now declared in tree.h.
20087 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20088 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20089 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20090 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20091 unsigned_type_node, ptr_type_node, va_list_type_node,
20092 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20093 (init_decl_processing): Call build_common_tree_nodes and
20094 build_common_tree_nodes_2 instead of building their nodes here.
20095 Don't add roots for these nodes.
20096 * stor-layout.c (size_zero_node, size_one_node): Delete.
20097 (set_sizetype): Make a new node for bitsizetype each time.
20098 * tree.c (global_trees): New variable.
20099 (init_obstacks): Add a gc root for it.
20100 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20101 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20102 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20103 (build_common_tree_nodes): New function.
20104 (fix_sizetype): New function.
20105 (build_common_tree_nodes_2): New function.
20106 * tree.h (enum tree_index): New.
20107 (global_trees): Declare.
20108 Add accessor macros for all nodes now moved to global_trees.
20109 Delete their declarations.
20111 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20113 * c-decl.c (finish_function): When processing a nested function,
20114 push and pop GC context around rest_of_compilation.
20116 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20118 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20119 Default ix86_arch to PROCESSOR_I386.
20120 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20121 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20122 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20123 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20124 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20125 (EXTRA_SPECS): Remove deleted specs.
20127 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20129 * function.c (assign_stack_local_1): Allocate from
20130 function->x_frame_offset, not frame_offset.
20132 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20134 * ggc.h (lang_cleanup_tree): Remove.
20135 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20136 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20138 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20139 TYPE_LANG_SPECIFIC when garbage collecting.
20140 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20141 (lang_cleanup_tree): Remove.
20143 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20145 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20146 * crtstuff.c: Not here.
20147 * dwarf2out.c: Or here.
20148 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20151 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20153 * function.h (free_after_compilation): Remove decl parameter.
20154 (free_varasm_status0: Likewise.
20155 (free_emit_status): Likewise.
20156 (free_stmt_status): Likewise.
20157 (free_after_compilation): Likewise.
20158 (init_lang_status): New variable.
20159 (free_lang_status): Likewise.
20160 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20161 * function.c (init_lang_status): New variable.
20162 (free_lang_status): Likewise.
20163 (push_function_context_to): Don't set function::decl here.
20164 (free_after_copmilation): Make decl parameter implicit. Call
20165 free_lang_status if defined.
20166 (prepare_function_start): Call init_lang_status if defined.
20167 (init_function_start): Set function::decl here.
20168 * profile.c (output_func_start_profiler): Don't call pushdecl
20169 until we've actually started the function.
20170 * stmt.c (free_stmt_status): Make decl parameter implicit.
20171 * toplev.c (rest_of_compilation): Don't pass decl to
20172 free_after_compilation.
20173 * varasm.c (free_varasm_status): Likewise.
20175 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20177 * except.c (call_get_eh_context): Add root when allocating static
20180 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20182 * arm.c: Include "ggc.h".
20183 (arm_add_gc_roots): New function.
20184 (arm_override_options): Call it.
20185 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20187 * arm.md (define_asm_attributes): Add a pool_range attribute.
20189 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20191 * extend.texi (Volatiles): New node.
20193 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20195 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20196 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20197 (struct ggc_any): Replace `mark' with `magic_mark'.
20198 (ggc_alloc_string): Use memcpy, not bcopy.
20199 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20200 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20201 (ggc_free_any): New.
20202 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20203 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20204 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20205 Use IS_MARKED. Use ggc_free_any.
20207 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20209 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20211 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20213 * toplev.c (main): Always init_ggc.
20215 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20217 * except.c (find_all_handler_type_matches): Free the list if
20218 we found no matches.
20220 * combine.c (SUBST): Break out to a real function do_SUBST.
20221 (SUBST_INT): Likewise.
20222 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20223 (pre_insert): Free `inserted'.
20224 * loop.c (basic_induction_var): Always set `location'.
20226 * function.c (expand_function_end): Add initial_trampoline as a root.
20227 * rtl.h (init_varasm_once): Declare.
20228 * toplev.c (compile_file): Call it.
20229 * ggc-simple.c (ggc_mark_string_ptr): New.
20230 (ggc_add_string_root): New.
20231 (ggc_collect): Disable collection avoidance temporarily.
20232 * ggc.h (ggc_add_string_root): Declare.
20233 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20234 * optabs.c (init_libfuncs): Likewise.
20235 * varasm.c (named_section): Use ggc_alloc_string.
20236 (make_function_rtl): Likewise.
20237 (make_decl_rtl): Likewise.
20238 (assemble_static_space): Likewise.
20239 (assemble_trampoline_template): Likewise.
20240 (output_constant_def): Likewise.
20241 (force_const_mem): Likewise.
20242 (mark_const_hash_entry): New.
20243 (mark_pool_sym_hash_table): New.
20244 (mark_varasm_state): Use it.
20245 (init_varasm_once): New.
20247 * expr.h (init_one_libfunc): Declare.
20248 * optabs.c (init_one_libfunc): New.
20249 (init_optabs): Use it.
20250 * config/gofast.h: Likewise.
20251 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20252 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20254 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20256 * Makefile.in (cppexp.o): Depend on cpphash.h.
20257 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20259 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20260 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20261 redefining poisoned identifiers, etc.
20262 (do_undef): Don't allow poisoned identifiers to be undefined.
20263 (do_pragma): Add #pragma poison.
20264 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20266 * cccp.c: Add T_POISON node type.
20267 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20269 (do_define): Generalise to handle poisoned definitions,
20270 redefining poisoned identifiers, etc.
20271 (do_undef): Don't allow poisoned identifiers to be undefined.
20272 (do_pragma): Add #pragma poison.
20273 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20275 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20276 * c-pragma.h: Add ps_poison state. We now always have generic
20279 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20281 * ggc.h (ggc_alloc): New function.
20282 (ggc_mark): Likewise.
20283 * ggc-simple.c (ggc_any): New structure.
20284 (ggc_status): Add anys.
20285 (n_anys_collected): New variable.
20286 (ggc_alloc): Define.
20287 (ggc_mark): Likewise.
20288 (ggc_collect): Collect the anys.
20290 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20292 * c-decl.c (mark_binding_level): Make static to match prototype.
20294 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20296 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20298 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20300 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20301 will use into account. Expand the max width to 5.
20304 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20306 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20307 for the rtx length.
20309 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20311 * alpha.md (call value patterns): Remove the result predicates.
20313 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20315 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20318 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20320 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20321 changed from extern char *, to extern PTR. Also fix typo in
20322 NEED_DECLARATION_REALLOC test.
20324 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20326 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20328 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20329 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20330 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20331 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20333 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20335 * cccp.c (pcfinclude): Likewise.
20337 * global.c (allocno_compare): Likewise.
20339 * haifa-sched.c (rank_for_schedule): Likewise.
20341 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20343 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20345 * stupid.c (stupid_reg_compare): Likewise.
20347 * tree.c (_obstack_allocated_p): Likewise.
20349 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20351 1999-09-08 Bruce Korb autogen@linuxbox.com
20353 * Makefile.in: Give the hapless gperf user a hint about
20354 why "gperf -F" fails.
20356 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20358 * lists.c: Include ggc.h.
20360 (init_EXPR_INSN_LIST_cache): Install it.
20362 * ggc-simple.c (init_ggc): Absorb the old init.
20363 (ggc_push_context): Use xcalloc.
20364 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20365 (ggc_collect): Add [rvts] tags to the collection stats.
20367 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20369 * cccp.c (main): Fix handling of -include and -imacros options.
20371 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20373 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20375 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20377 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20380 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20382 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20383 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20384 and SET_DEST. Update comment.
20386 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20388 * config/c4x/c4x.c: Include ggc.h.
20389 (c4x_add_gc_roots): New function.
20390 (c4x_override_options): Call c4x_add_gc_roots.
20392 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20394 * defaults.h (TARGET_ESC): Move ...
20395 * system.h: ... here, where Linas had it in the first place. Silly me.
20397 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20399 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20400 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20401 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20402 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20403 * defaults.h (TARGET_ESC): Add default.
20405 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20407 * configure.in: add i370-*-openedition, i370-*-mvs and
20408 i370-*-linux targets
20410 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20412 * dsp16xxx.c: Include ggc.h
20413 (override_options): Mark GC roots.
20414 * mn10200.c: Include ggc.h.
20415 (asm_file_start): Mark GC roots.
20416 * tahoe.c: Include ggc.h.
20417 (extensible_operand): Mark GC roots.
20419 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20421 * README: Add section discussing status of ELF ABI.
20422 * i370.c: Fix misc spelling mistakes.
20423 (i370_label_scan): Updated notes, exception handling.
20424 (i370_function_prolog): Simplify ELF stack handling.
20425 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20426 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20427 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20428 * i370.md: (movdi): Add notes.
20429 (floatsidf2): Use stack not rtca for scratch float area.
20430 (iorsi3): Correct operand constraints.
20431 * x-oe: Restore TAROUTOPTS which are used by pax.
20433 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20435 * rs6000.c: Include ggc.h.
20436 (rs6000_add_gc_roots): New function.
20437 (override_options): Call it.
20439 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20441 * alpha.h (alpha_compare): New.
20442 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20443 * alpha.c: Likewise for the definitions.
20444 (alpha_emit_conditional_branch): Update for alpha_compare.
20445 (alpha_emit_conditional_move): Likewise.
20446 * alpha.md (cmpdf, cmpdi): Likewise.
20447 (setcc patterns): Likewise. Zero alpha_compare after use.
20448 (sne): Optimize (x != 0) into (0U < x).
20450 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20452 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20453 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20454 (INIT_EXPANDERS): Remove.
20455 * alpha.c: Include ggc.h.
20456 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20457 (alpha_init_machine_status, alpha_mark_machine_status): New.
20458 (override_options): Install them.
20459 (struct machine_function): Moved to alpha.h.
20460 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20461 (alpha_init_expanders): Remove.
20462 (alpha_return_addr): Adjust to use current_function->machine.
20463 (alpha_ra_ever_killed): Likewise.
20464 (alpha_expand_epilogue): Likewise.
20465 * alpha.md (eh_epilogue): Likewise.
20467 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20468 Melissa O'Neill <oneill@cs.sfu.ca>
20469 Geoffrey Keating <geoffk@cygnus.com>
20471 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20472 call-used registers (call-saved registers must still be contiguous
20473 and end with r31, of course).
20475 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20477 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20478 (self_promoting_type_p): Delete.
20479 (self_promoting_args_p): Move ...
20480 * c-common.c: ... here.
20481 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20482 (simple_type_promotes_to): New.
20483 * builtins.c (lang_type_promotes_to): New.
20484 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20485 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20486 * c-common.h: ... here.
20487 (self_promoting_args_p, simple_type_promotes_to): Declare.
20488 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20489 (grokdeclarator): Likewise.
20490 * tree.h (lang_type_promotes_to): Declare.
20492 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20494 Add some machine-dependent GC roots.
20495 * sparc.c: Include ggc.h.
20496 (sparc_add_gc_roots): New function.
20497 (mark_ultrasparc_pipeline_state): Likewise.
20498 (override_options): Call sparc_add_gc_roots.
20499 * pa.c: Include ggc.h.
20500 (pa_add_gc_roots): New function.
20501 (mark_deferred_plabels): Likewise.
20502 (override_options): Call pa_add_gc_roots.
20503 * mips.c: Include ggc.h.
20504 (mips_add_gc_roots): New function.
20505 (override_options): Use it.
20507 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20509 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20511 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20512 cpp_parse_expr): Add static prototypes.
20513 (parse_charconst): Don't cast away const-ness.
20514 (token): Constify a char*.
20516 * cppfiles.c (file_name_list, include_hash, find_include_file,
20517 finclude, initialize_input_buffer): Constify a char*.
20518 (file_cleanup, find_position): Add static prototypes.
20520 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20521 collect_expansion): Add static prototypes.
20522 (cpp_install, create_definition, monthnames): Constify a char*.
20524 * cpphash.h (cpp_install): Likewise.
20526 * cppinit.c (known_suffixes, default_include,
20527 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20528 (base_name, dump_special_to_buffer, initialize_dependency_output):
20529 Add static prototypes.
20531 * cpplib.c (my_strerror): Constify a char*.
20532 (null_underflow, null_cleanup, skip_comment, copy_comment,
20533 copy_rest_of_line, handle_directive, pass_thru_directive,
20534 get_directive_token, read_line_number, cpp_print_file_and_line,
20535 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20536 v_cpp_warning_with_line, detect_if_not_defined,
20537 consider_directive_while_skipping): Add static prototypes.
20538 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20539 cpp_pedwarn_with_file_and_line): Constify a char*.
20541 * cpplib.h (cpp_options, include_hash, progname, definition,
20542 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20543 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20544 find_include_file, deps_output, include_hash): Constify a char*.
20546 * cppmain.c (progname): Constify.
20547 (main): Add prototype. Use return, not exit.
20549 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20550 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20551 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20552 check_protection): Add static prototype.
20554 (progname, recognized_macrom, recognized_extern): Constify a char*.
20555 (main): Add prototype.
20557 * gen-protos.c (progname): Constify a char*.
20559 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20561 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20562 (init_emit_once): Add more GC roots.
20563 * except.c (mark_func_eh_entry): New function.
20564 (mark_eh_node): Mark false_label and rethrow_label.
20565 (init_eh): Add more GC roots.
20566 * function.c (free_after_compilation): Take decl as a paramter.
20567 Call free_stmt_status.
20568 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20570 * function.h (free_after_compilation): Change prototype.
20571 (free_varasm_status): Likewise.
20572 (free_emit_status): Likewise.
20573 (free_stmt_status): New function.
20574 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20575 Remove, replacing with ...
20576 (ggc_status): New structure.
20577 (ggc_chain): New variable.
20578 (init_gcc): Define.
20579 (ggc_push_context): New function.
20580 (ggc_pop_context): Likewise.
20581 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20582 (ggc_alloc_rtvec): Likewise.
20583 (ggc_alloc_tree): Likewise.
20584 (ggc_alloc_string): Likewise.
20585 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20586 (ggc_mark_tree): Give language-dependent code a chance to mark
20588 (ggc_mark_tree_varray): Handle empty arrays.
20589 (ggc_collect): Adjust for use of ggc_chain. Clear
20590 bytes_alloced_since_last_gc.
20591 * ggc.h (ggc_pop_context): New function.
20592 (ggc_push_context): Likewise.
20593 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20594 * stmt.c (free_stmt_status): New function.
20595 (init_stmt_for_function): Clear last_expr_value.
20596 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20597 Conditionalize call to ggc_collect.
20598 (main): Call init_ggc.
20599 * tree.c (push_obstacks): Do the push, even when GC'ing.
20600 (push_obstacks_nochange): Likewise.
20601 (pop_obstacks): Liekwise.
20602 * varasm.c (free_varasm_status): Take decl as a parameter.
20604 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20606 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20607 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20608 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20609 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20611 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20613 * pa/x-pa-mpeix: New file for the MPE port.
20615 * pa/quadlib.asm: New file for long double support.
20617 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20618 * configure: Rebuilt.
20620 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20622 * final.c (shorten_branches): Fix last change.
20624 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20626 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20628 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20630 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20633 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20635 * c-aux-info.c (concat): Don't define.
20637 * cccp.c (my_strerror): Likewise. All callers changed to use
20639 (do_include): Call xstrdup, not xmalloc/strcpy.
20640 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20641 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20643 * collect2.c (my_strsignal): Likewise. All callers changed to use
20645 (locatelib): Call xstrdup, not xmalloc/strcpy.
20647 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20649 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20651 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20653 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20655 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20657 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20659 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20661 (find_all_handler_type_matches): Likewise. Don't check return
20663 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20664 xmalloc, not malloc.
20665 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20667 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20668 (init_spec): Call xcalloc, not xmalloc/bzero.
20669 (set_spec): Call xstrdup, not save_string.
20670 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20671 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20672 (process_command): Call xstrdup, not save_string.
20673 (main): Call xcalloc, not xmalloc/bzero.
20675 * gcov.c (xmalloc): Don't define.
20676 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20677 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20678 (output_data): Call xcalloc, not xmalloc/bzero.
20680 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20682 * mips-tdump.c (xmalloc): Don't define.
20683 (print_symbol): Call xmalloc, not malloc.
20684 (read_tfile): Call xcalloc, not calloc.
20686 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20687 Don't define. All callers of xfree/my_strsignal changed to use
20688 free/strsignal instead.
20689 (allocate_cluster): Call xcalloc, not calloc.
20691 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20692 Fix memory leak, free allocated memory.
20694 * prefix.c (translate_name): Call xstrdup, not save_string.
20695 (update_path): Likewise.
20697 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20699 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20700 Don't define. Callers of xfree/savestring2 changed to use
20701 free/concat instead.
20703 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20704 (init_elim_table): Likewise.
20706 * resource.c (init_resource_info): Likewise.
20708 * stupid.c (stupid_life_analysis): Likewise.
20710 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20711 (open_dump_file): Call concat, not xmalloc/strcpy/...
20712 (clean_dump_file): Likewise.
20713 (compile_file): Call xstrdup, not xmalloc/strcpy.
20715 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20717 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20718 * v850.c (v850_va_arg): New.
20720 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20722 * haifa-sched.c: Tidy comments.
20724 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20726 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20727 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20728 $(out_object_file)): Depend on ggc.h.
20729 * c-common.c: Include "ggc.h".
20730 (combine_strings): If doing GC, use ggc_alloc_string.
20731 * c-decl.c: Include "ggc.h".
20732 (ggc_p): Define with value 0.
20733 (mark_binding_level): New function.
20734 (init_decl_processing): Add GC roots.
20735 (mark_c_function_context): New function.
20736 (lang_mark_false_label_stack): New function.
20737 (lang_mark_tree): New function.
20738 (lang_cleanup_tree): New function.
20739 * c-lang.c: Include "ggc.h".
20740 (lang_init): Call c_parse_init.
20741 * c-lex.c: Include "ggc.h".
20742 (check_linenum): If doing GC, don't copy filenames to permanent
20744 * c-parse.in: Include "ggc.h".
20745 (c_parse_init): New function.
20746 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20747 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20749 * except.c (mark_eh_state): Mark more state.
20750 * function.c (mark_function_state): Likewise.
20751 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20752 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20753 * toplev.c (mark_file_stack): New function.
20754 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20755 (main): Add root for input_file_stack.
20757 * i386.c: Include "ggc.h".
20758 (ix86_mark_machine_status): New function.
20759 (override_options): Set mark_machine_status.
20761 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20763 * tree.c (copy_node): Copy node contents also if doing GC.
20765 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20767 * collect2.c (scan_libraries): Fix double-thinko :-).
20769 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20771 * collect2.c (scan_libraries): Fix thinko.
20773 * cse.c (delete_trivially_dead_insns): Do not skip the last
20774 insn if it is a real insn.
20776 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20778 * Makefile.in (ggc-simple.o): Depend on hash.h.
20779 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20780 (ggc_mark_tree_varray): Likewise.
20781 (ggc_mark_tree_hash_table): Likewise.
20782 * ggc-simple.c: Include hash.h.
20783 (ggc_mark_tree_hash_table_ptr): New function.
20784 (ggc_mark_tree_hash_table_entry): Likewise.
20785 (ggc_mark_tree_hash_table): Likewise.
20786 (ggc_add_tree_hash_table_root): Likewise.
20787 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20788 rtx, when defining fields.
20790 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20792 * profile.c (output_func_start_profiler): Remove apparently
20793 nonsensical call to start_sequence.
20795 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20797 * clipper/clipper.c (clipper_va_start): Fix typos.
20799 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20800 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20801 (spur_va_arg): New stub.
20803 * configure.in: Comment out pyramid.
20805 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20807 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20808 don't conflict with the bits that win32, cygwin, and dgux
20811 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20812 Bernd Schmidt <bernds@cygnus.co.uk>
20814 * integrate.c (function_cannot_inline_p): Do not inline
20815 functions with forced labels.
20817 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20818 Bernd Schmidt <bernds@cygnus.co.uk>
20819 Mark Mitchell <mark@codesourcery.com>
20821 * Makefile.in (ggc-simple.o): Depend on varray.h.
20822 (rtl.o): Depend on ggc.h.
20823 (genattrtab.o): Depend on ggc.h.
20824 (print-tree.o): Likewise.
20825 (fold-const.o): Likewise.
20826 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20827 (make_insn_raw): Don't cache insns when GC'ing.
20828 (emit_insn_before): Likewise.
20829 (emit_insn_after): Likewise.
20830 (emit_insn): Likewise.
20831 (start_sequence): Use xmalloc to allocate the sequence_stack.
20832 (end_sequence): Add free to free it.
20833 (gen_sequence): Don't cache insns when GC'ing.
20834 (clear_emit_caches): Don't use sequence_element_free_list.
20835 (init_emit): Use xcalloc, not xmalloc+bzero.
20836 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20837 * function.c (pop_function_context_from): Use free to free the
20838 fixup_var_refs_queue.
20839 (put_reg_into_stack): Allocate it with xmalloc.
20840 * genattrtab.c: Include ggc.h.
20841 (operate_exp): Don't use obstack_free when GC'ing.
20842 (simplify_cond): Likewise.
20843 (simplify_text_exp): Likewise.
20844 (optimize_attrs): Likewise.
20845 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20847 (gencode): Generate a #include for ggc.h.
20848 * ggc-callbacks.c (ggc_p): Define it to zero.
20849 * ggc-none.c (ggc_p): Likewise.
20850 * ggc-simple.c: Include varray.h.
20851 (ggc_mark_tree_varray): New function.
20852 (ggc_add_tree_varray_root): Likewise.
20853 (ggc_mark_tree_varray_ptr): Likewise.
20854 * ggc.h (ggc_p): Declare.
20855 (varray_head_tag): Likewise.
20856 (ggc_add_tree_varray_root): Declare.
20857 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20858 inconsistencies when GC'ing.
20859 * rtl.c: Include ggc.h.
20860 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20861 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20862 (rtx_free): Don't call obstack_free when GC'ing.
20863 * toplev.c (rest_of_compilation): Call ggc_collect after every
20865 * tree.c (push_obstacks): Do nothing, if GC'ing.
20866 (pop_obstacks_nochange): Likewise.
20867 (pop_obstacks): Likewise.
20868 (make_node): Use ggc_alloc_tree when GC'ing.
20869 (copy_node): Likewise.
20870 (get_identifier): Use ggc_alloc_string when GC'ing.
20871 (build_string): Likewise.
20872 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20873 (tree_cons): Likewise.
20874 (build1): Likewise.
20875 (type_hash_canon): Don't call obstack_free when GC'ing.
20877 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20879 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20880 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20882 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20883 Bernd Schmidt <bernds@cygnus.co.uk>
20884 Mark Mitchell <mark@codesourcery.com>
20886 * Makefile.in (stor-layout.o): Depend on ggc.h.
20887 (expr.o): Depend on ggc.h.
20888 (profile.o): Depend on ggc.h.
20889 (stor-layout.o): Depend on ggc.h.
20890 * emit-rtl.c (init_emit_once): Add gc roots.
20891 * expr.c: Include ggc.h.
20892 (emit_block_move): Add gc roots.
20893 (clear_storage): Likewise.
20894 * expr.h (init_stor_layout_once): New function.
20895 * profile.c: Include ggc.h.
20896 (init_arc_profiler): profiler_label is a root.
20897 * scan.c (make_sstring_space): Trust xrealloc to function
20898 correctly with first parameter NULL.
20899 * stor-layout.c: Include ggc.h.
20900 (set_sizetype): Add gc root.
20901 (init_stor_layout_once): New function.
20902 * toplev.c (compile_file): Call it.
20904 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20905 Bernd Schmidt <bernds@cygnus.co.uk>
20906 Mark Mitchell <mark@codesourcery.com>
20908 * Makefile.in (tree.o): Depend on ggc.h.
20909 (varasm.o): Likewise.
20910 (function.o): Likewise.
20911 (stmt.o): Likewise.
20912 (except.o): Likewise.
20913 (optabs.o): Likewise.
20914 (emit-rtl.o): Likewise.
20915 * emit-rtl.c: Include ggc.h.
20916 (sequence_element_free_list): Remove, and all references.
20917 (mark_sequence): New functions.
20918 (mark_emit_state): New function.
20919 * except.c: Include ggc.h.
20920 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20921 (mark_tree_label_node): New functions.
20922 (mark_eh_state): New function.
20923 * function.c: Include ggc.h.
20924 (mark_temp_slot, mark_function_chain): New functions.
20925 (mark_function_state): New function.
20926 (init_function_once): New function.
20927 * function.h (init_function_once): New function.
20928 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20929 * ggc.h (label_node): Declare.
20930 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20931 (lang_mark_false_label_stack): New function.
20932 (mark_temp_slot): Remove declaration.
20933 (mark_function_chain): Likewise.
20934 (mark_eh_state): Adjust prototype.
20935 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20937 * optabs.c: Include ggc.h.
20938 (mark_optab): New function.
20939 (init_optabs): Add gc roots.
20940 * stmt.c: Include ggc.h.
20941 (mark_cond_nesting, mark_loop_nesting): New functions.
20942 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20943 (mark_stmt_state): New function.
20944 * toplev.c (compile_file): Call init_function_once.
20945 * tree.c: Include ggc.h.
20946 (type_hash): Move declaration earlier in file.
20947 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20948 (init_obstacks): Add gc roots.
20949 (mark_type_hash): New function.
20950 * varasm.c: Include ggc.h.
20951 (mark_pool_constant): New function.
20952 (mark_varasm_state): New function.
20954 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20956 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20958 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20960 * c-decl.c (struct language_function): Renamed from struct c_function.
20962 (c_function_chain): Delete.
20963 (push_c_function_context): New arg F. Don't warn about nested
20964 functions here. Fill LANGUAGE elt of F. Delete code to update
20965 c_function_chain. Don't call push_function_context.
20966 (pop_c_function_context): New arg F. Restore from there instead of
20967 from c_function_chain. Don't call pop_function_context. Clear out
20968 LANGUAGE field of F when done.
20969 * c-lang.c: Include "function.h"
20970 (lang_init): Initialize save_lang_status and restore_lang_status.
20971 * c-parse.in (nested_function, nested_function_notype): Warn about
20972 nested functions. Call push_function_context/pop_function_context
20973 instead of the _c_ variants.
20974 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20976 * Makefile.in (c-lang.o): Update dependencies.
20978 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20979 regno_pointer_flag, regno_pointer_align.
20980 (gen_reg_rtx): Use xrealloc to enlarge them.
20981 (free_emit_status): New function.
20982 * function.c (mark_machine_status, mark_lang_status): New variables.
20983 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20984 in some bits from assign_stack_local. All callers changed to use new
20986 (assign_stack_local): Just call assign_stack_local_1.
20987 (free_after_compilation): New function.
20988 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20989 (trampoline_address): Likewise.
20990 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20991 (prepare_function_start): Explicitly clear some more variables.
20992 * function.h (struct function): New elt can_garbage_collect.
20993 (mark_machine_status, mark_lang_status): Declare variables.
20994 (free_after_compilation, free_emit_status, free_varasm_status,
20995 init_varasm_status): Declare functions.
20996 * toplev.c (rest_of_compilation): Call free_after_compilation when
20997 done with the current function.
20998 * varasm.c (free_varasm_status): New function.
21000 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21002 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21003 (EXPAND_BUILTIN_VA_ARG): Define.
21004 * sparc.c (sparc_va_start): New.
21005 (sparc_va_arg): New.
21007 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21009 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21011 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21013 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21015 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21017 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21018 (OBJS): Add $(GGC).
21019 (ggc-callbacks.o): New target.
21020 * ggc-callbacks.c: New file.
21022 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21024 * expr.h: Collapse individual optab and libfunc vars to arrays.
21025 (optab_index, libfunc_index): New enumerations.
21026 (optab_table, libfunc_table): New arrays.
21027 Add accessor macros for both.
21029 * optabs.c (optab_table, libfunc_table): New.
21030 Delete declarations for individual optab and libfunc vars.
21032 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21034 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21036 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21038 * Makefile.in (GGC, GGC_LIB): New.
21039 (HOST_RTL): Include ggc-none.o.
21040 (ggc-simple.o): New target.
21041 (ggc-none.o): Likewise.
21042 * tree.h (tree_common): Add gc_mark.
21043 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21044 (struct rtvec_def): Add gc_mark.
21045 * emit-rtl.c (global_rtl): Update static initializers to contain
21046 enough initializers.
21047 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21048 * toplev.c (gc_time): New variable.
21049 (all_time): New variable.
21050 (compile_file): Print gc time.
21051 (print_time): Calculate percentage of the whole.
21053 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21055 Change obstack memory management and varasm constant pool handling so
21056 that nested functions are treated like any other functions.
21057 * function.c (init_machine_status): New variable.
21058 (push_function_context_to): Set contains_functions for the outer
21059 function. Don't call save_varasm_status.
21060 (pop_function_context_from): Don't call restore_varasm_status. Don't
21061 set current_function_contains_functions.
21062 (prepare_function_start): Call init_varasm_status rather than
21063 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21065 * function.h (struct function) Add field varasm. Delete fields
21066 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21067 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21068 (init_machine_status): Declare.
21069 (save_varasm_status, restore_varasm_status): Delete declarations.
21070 (save_tree_status, restore_tree_status): Delete last argument.
21071 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21072 code. All callers changed.
21073 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21074 save_constants_in_decl_trees, restore_constants, save_constants,
21075 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21077 (inlining): New variable.
21078 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21079 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21081 (save_for_inline_nocopy): Don't save constants.
21082 Don't set inl_emit field in current_function.
21083 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21084 function. Set new variable inlining before
21085 calling copy_rtx_and_substitute.
21086 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21087 constant pool references if inlining is nonzero.
21088 Delete ADDRESS and (most of the) CONST cases.
21089 (output_inline_function): Save and restore current_function/
21090 current_function_decl. Delete restore_constants code. Don't call
21091 init_const_rtx_hash_table.
21092 * output.h (init_const_rtx_hash_table): Don't declare.
21093 * rtl.h (struct function): Declare.
21094 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21095 * toplev.c (rest_of_compilation): Don't treat nested functions or
21096 functions containing them specially. Delete all code to deal with
21097 save_for_inline_copying.
21098 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21099 inline_obstacks): Delete variables.
21100 (save_tree_status): Lose arg CONTEXT. All callers changed.
21101 Simply allocate a new function_maybepermanent_obstack for the new
21102 function, delete all the special cases.
21103 Don't save inline_obstacks.
21104 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21105 Delete special handling for function_maybepermanent_obstack; simply
21107 Don't restore inline_obstacks.
21108 (permanent_allocation): Delete code that frees inline_obstacks.
21109 (print_inline_obstack_statistics): Delete function.
21110 (dump_tree_statistics): Don't call it.
21111 * varasm.c (struct varasm_status): New.
21112 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21113 last_pool, pool_offset, const_double_chain): Delete global
21114 variables, replace with accessor macros.
21115 (immed_double_const): Don't walk const_double_chain outside a
21116 function, but don't treat nested functions specially anymore.
21117 (immed_real_const_1): Likewise.
21118 (clear_const_double_mem): Don't treat nested functions specially.
21119 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21120 (save_varasm_status, restore_varasm_status): Delete functions.
21121 (init_varasm_status): New function.
21122 (force_const_mem): Don't treat nested functions specially.
21123 (find_pool_constant): Accept new arg F, search for constants in
21124 that function's pool rather than the current one. All callers
21126 (get_pool_constant_for_function, get_pool_mode_for_function): New
21129 * i386.c (init_386_machine_status): New function, mostly from
21130 clear_386_stack_locals.
21131 (struct machine_functions): Rename element names to avoid name
21133 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21134 macros, replacing global variables.
21135 (clear_386_stack_locals, save_386_machine_status,
21136 restore_386_machine_status): Delete functions.
21137 (override_options): Initialize init_machine_status.
21138 * i386.h (INIT_EXPANDERS): Delete macro.
21139 (save_386_machine_status, restore_386_machine_status,
21140 clear_386_stack_locals): Delete declarations.
21142 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21144 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21145 (doloop_begin): Simplify pattern and use emit_jump_insn.
21146 (doloop_end): Simplify pattern, switch operand order,
21147 and use emit_jump_insn.
21149 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21151 * function.h (struct function): Add new element LANGUAGE.
21152 (save_lang_status): Declare new variable.
21153 (restore_lang_status): Likewise.
21154 * function.c (save_lang_status): Define.
21155 (restore_lang_status): Likewise.
21156 (push_function_context_to): Call language-specific save function.
21157 (pop_function_context_from): Call language-specific restore function.
21159 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21161 * i386.md (movsf_1): Check REG_P before use of REGNO.
21162 (movdf_1): Likewise.
21163 (movxf_1): Likewise.
21164 (extendsfdf2): Likewise.
21165 (extendsfxf2): Likewise.
21166 (extenddfxf2): Likewise.
21168 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21170 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21171 constants into memory.
21172 (c4x_shiftable_constant): New function.
21173 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21174 (c4x_shiftable_constant): Declare.
21175 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21176 ashlqi3_noclobber): Add new patterns and associated splitters.
21178 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21180 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21181 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21182 * final.c (shorten_branches): Likewise.
21183 * global.c (global_alloc): Likewise.
21184 * haifa-sched.c (build_control_flow): Likewise.
21185 * stmt.c (check_for_full_enumeration_handling): Likewise.
21186 (estimate_case_costs): Likewise.
21188 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21190 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21192 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21194 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21195 (recompute_reg_usage): Likewise.
21196 * rtlanal.c (find_regno_fusage): Likewise.
21198 * rtl.c (rtl_check_failed_code1): New function.
21199 (rtl_check_failed_code2): New.
21200 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21201 (RTL_CHECKC1, RTL_CHECKC2): New.
21202 (XC*): New accessor macros.
21203 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21204 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21205 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21206 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21207 (TRAP_*, RANGE_INFO_*): Likewise.
21209 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21211 * Makefile.in (tlink.o): Don't depend on toplev.h.
21213 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21214 output_file, nm_file_name, ldd_file_name, strip_file_name,
21215 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21216 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21217 fork_execute, maybe_unlink, add_to_list,
21218 extract_init_priority, write_list, dump_list,
21219 dump_prefix_list, write_list_with_asm, write_c_file,
21220 write_c_file_stat, write_c_file_glob, scan_prog_file,
21221 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21222 ignore_library, extract_string, notice, dump_file, target_machine,
21223 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21224 read_file, print_load_command): Constify a char*.
21225 (fdopen, error, fatal, fatal_perror): Don't prototype.
21226 (my_strerror): Remove. All callers use xstrerror instead.
21227 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21228 (main): Add prototype. Constify lots of char* ptrs. Change calls
21229 to xcalloc/strcpy/strcat/... to one call to concat.
21230 (main, scan_prog_file, scan_libraries): Use an intermediate
21231 `const char **' to build an argv array.
21232 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21234 * collect2.h (collect_execute, collect_wait, dump_file,
21235 file_exists): Constify a char*.
21236 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21237 temporary_firstobj, vflag, debug): Add extern declarations.
21238 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21240 * tlink.c: Don't include toplev.h.
21241 (vflag, debug, ldout, c_file_name, temporary_obstack,
21242 permanent_obstack, temporary_firstobj): Don't declare.
21243 (tlink_execute, frob_extension, symbol_hash_lookup,
21244 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21245 recompile_files, read_repo_files, demangle_new_symbols,
21246 scan_linker_output): Constify a char*.
21247 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21248 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21250 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21252 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21253 (relative) rather than jsr (absolute) subroutine call insns.
21254 * config/m68k/m68k-coff.h: Ditto.
21256 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21258 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21259 now rework these too.
21260 (arm_reorg): If an insn can't reach the end of the current pool,
21261 ensure that we emit that pool before the insn.
21263 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21265 * tlink.c (scan_linker_output): Skip the initial underscore in
21266 a mangled name if appropriate.
21268 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21270 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21271 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21272 error_with_ivar, gen_declarator, create_builtin_decl,
21273 my_build_string, generate_descriptor_table, generate_ivars_list,
21274 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21275 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21276 dump_base_name, lang_decode_option, build_encode_expr,
21277 start_class, finish_class, encode_pointer, really_start_method,
21278 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21280 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21281 Add static prototypes.
21282 (build_objc_string_decl, build_selector_reference_decl,
21283 encode_bitfield, build_class_reference_decl): Remove unused
21284 parameter, all callers changed.
21285 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21286 (objc_printable_name): Likewise. Change second parameter to type int.
21287 (init_objc): Use memcpy, not bcopy, to avoid casts.
21289 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21291 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21292 reg notes on a deleted insn.
21293 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21295 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21297 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21299 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21301 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21304 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21306 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21307 * tm.texi (MD_ASM_CLOBBERS): Document it.
21309 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21311 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21312 * except.c (expand_rethrow): Remove unused variable.
21313 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21314 * flow.c (replace_insns): Likewise.
21315 (create_edge_list, verify_edge_list): Likewise.
21316 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21318 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21319 is special code to run.
21320 (main): Don't define operands to emit_operand.
21321 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21323 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21325 * alpha/alpha.h (normal_memory_operand): Declare.
21326 (reg_no_subreg_operand): Declare.
21327 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21329 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21331 * c-parse.in (compstmt_primary_start): New, broken out of first
21332 part of compstmt handling in primary.
21333 (primary): Use it. Add an error clause.
21334 (compstmt_nostart): Renamed from compstmt; remove all
21335 initial invocations of compstmt_start.
21338 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21340 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21343 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21345 * combine.c (simplify_shift_const): Remove extra semicolon.
21346 * dwarf2out.c (remove_AT): Likewise.
21347 * expmed.c (expand_mult): Likewise.
21348 * gcov.c (create_program_flow_graph): Likewise.
21349 * reorg.c (mostly_true_jump): Likewise.
21351 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21353 * fold-const.c (fold_range_test): Do not try to fold the range
21354 test if the rhs or lhs has side effects.
21356 * combine.c (simplify_rtx): Recognize another case of a synthesized
21359 * varasm.c (mark_constant_pool): When marking indirect references,
21360 only look at SYMBOL_REFs.
21362 * except.c (expand_fixup_region_end): Do not peek at
21363 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21365 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21367 * flags.h: New variables align_loops, align_loops_log,
21368 align_jumps, align_jumps_log, align_labels, align_labels_log,
21369 align_functions, align_functions_log.
21370 * toplev.c: Define them.
21371 (f_options): Handle -falign-* when they have no argument.
21372 (main): Add logic to set variables for -falign-functions,
21373 -falign-jumps, -falign-labels, -falign-loops.
21374 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21375 (display_help): Change help to match options.
21376 * final.c (LABEL_ALIGN): Default to align_labels_log.
21377 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21378 (LOOP_ALIGN): Default to align_loops_log.
21379 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21380 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21381 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21382 * varasm.c (assemble_start_function): Handle align_functions.
21384 * config/sparc/sparc.h: Don't declare sparc_align_*.
21385 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21386 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21388 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21390 * config/sparc/sparc.c: Delete sparc_align_loops,
21391 sparc_align_jumps, sparc_align_funcs and the corresponding string
21393 (sparc_override_options): Default align_functions on ultrasparc.
21394 Delete -malign-* handling.
21396 * config/mips/mips.c (override_options): On 64-bit targets,
21397 try to align code to 64-bit boundaries.
21398 (print_operand): New substitution, %~,
21399 which aligns labels to align_labels_log.
21400 * config/mips/mips.md (div_trap_normal): Use %~.
21401 (div_trap_mips16): Likewise.
21403 (absdi2): Likewise.
21404 (ffssi2): Likewise.
21405 (ffsdi2): Likewise.
21406 (ashldi3_internal): Likewise.
21407 (ashrdi3_internal): Likewise.
21408 (lshrdi3_internal): Likewise.
21409 (casesi_internal): Likewise.
21411 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21413 Merge new ia32 backend from the branch!
21415 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21416 See ChangeLog.P2 on new_ia32_branch for details.
21418 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21419 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21420 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21421 * i386/gas.h (ASM_FILE_START): Define.
21422 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21423 for name change of ix86_valid_decl_attribute_p.
21424 (i386_pe_valid_type_attribute_p): Similarly.
21426 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21428 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21429 to step through CC modes.
21431 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21433 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21434 it would end up in the shadow of a live flags regsiter.
21436 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21438 * reload1.c: Fix many indentation problems.
21439 * reload.c: Likewise.
21441 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21443 * alias.c (non_local_reference_p): Constify fmt.
21445 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21447 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21449 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21451 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21452 the internal_arg_pointer.
21454 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21456 Merge peephole2 from new_ia32_branch:
21457 * Makefile.in (STAGESTUFF): Add *.peephole2.
21458 (mostlyclean): Likewise.
21459 (recog.o): Depend on resource.h.
21461 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21462 (final_scan_insn): Likewise for the invocation of peephole.
21463 * genconfig.c (main): Look for peephole and peephole2 patterns.
21464 Emit HAVE_peephole* accordingly.
21465 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21466 * flags.h (flag_peephole2): Declare.
21467 * toplev.c: New pass peephole2. New flag -fpeephole2.
21469 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21470 * gencodes.c (main): Likewise.
21471 * genextract.c (main): Likewise.
21472 * genoutput.c (main): Likewise.
21473 * genemit.c (max_operand_1): Look for the max scratch operand.
21474 (gen_rtx_scratch): New.
21475 (gen_exp): Use it, and pass on new arg subroutine_type.
21476 (gen_expand): Take max scratch into account.
21477 (gen_split): Emit peephole2 functions.
21478 (output_peephole2_scratch): New.
21479 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21480 * genrecog.c (routine_type): Add PEEPHOLE2.
21482 (make_insn_sequence): Match outer parallel for peep2. Discard
21483 top level scratches and dups.
21484 (add_to_sequence): New args insn_type and top. Update all callers.
21485 Handle toplevel peep2 matching insns.
21486 (write_subroutine): Handle peep2.
21487 (write_tree_1): Likewise.
21488 (write_tree): Likewise.
21490 (change_state): New arg afterward. Update all callers.
21491 Handle matching separate insns.
21492 * recog.c (recog_next_insn): New.
21493 (peephole2_optimize): New.
21494 * rtl.def (DEFINE_PEEPHOLE2): New.
21495 * resource.c (find_free_register): New argument last_insn. Use it
21496 to find a register available through the entire span.
21497 * resource.h (find_free_register): Update prototype.
21499 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21501 * i386.c (output_strlen_unroll): Don't write xops[7]
21502 label if it wasn't set.
21504 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21506 * cpplib.c (struct directive): Const-ify name pointer and
21507 function pointer prototype.
21508 (validate_else, do_define, do_line, do_include, do_undef,
21509 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21510 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21511 do_warning): Const-ify second arg.
21512 (directive_table): Mark const. Reorder entries by frequency
21513 of usage, record statistics.
21515 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21517 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21518 bounds- check RTL accesses if --enable-checking.
21519 (RTVEC_ELT): Bounds check if --enable-checking.
21520 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21521 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21522 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21524 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21525 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21527 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21528 (NOTE_SOURCE_FILE): Use X0STR.
21529 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21530 MEM_ALIAS_SET): Use X0INT.
21531 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21532 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21534 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21535 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21536 (rtl_check_failed_bounds, rtl_check_failed_type1,
21537 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21539 (fancy_abort): Fix comment.
21541 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21542 (cse_insn): Decrement LABEL_NUSES for jump target before
21543 deleting jump insn.
21544 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21545 * final.c (alter_subreg): Compute regno before changing x to
21546 REG; set REGNO(x) after changing it.
21547 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21548 notes containing CONST_INTs.
21549 (delete_eh_regions): Use NOTE_EH_HANDLER.
21550 * function.c (put_reg_into_stack): Make reg a MEM before
21552 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21554 (gen_mem_addressof): Make reg a MEM before initializing it.
21555 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21557 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21558 deleting an insn, not after.
21559 (block_alloc): Only look at PATTERN(insn) if we have to, and
21560 only if it's format class 'i'.
21561 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21562 CONST_INT before using its INTVAL.
21563 * print-rtl.c (print_rtx): Use X0STR.
21564 * regmove.c (fixup_match_1): Don't look at PATTERN of
21565 non-class-'i' insn chain elements.
21566 * reload.c (loc_mentioned_in_p): Take address of
21567 in->fld[1].rtx directly.
21568 * reload1.c (reload): Change reg to a MEM before initializing
21570 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21572 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21574 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21576 * config/mips/mips.c (machine_dependent_reorg): Force a
21577 barrier to output the local constant pool if a barrier hasn't
21578 been found at a natural point in the instruction stream.
21580 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21582 * c-parse.in (language_string): Constify.
21584 * dwarf2out.c (language_string): Remove declaration.
21586 * dwarfout.c (language_string): Likewise.
21588 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21590 * tree.h (language_string, init_parse, finish_parse): Declare.
21592 * i386/sun386.h (language_string): Remove declaration.
21594 * mips.h (language_string): Likewise.
21596 * nextstep.h (language_string): Likewise.
21598 * nextstep21.h (language_string): Likewise.
21600 * rs6000.c (language_string): Likewise.
21602 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21604 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21605 (getpwd.o): Remove target.
21607 * getpwd.c: Delete file. Its in libiberty now.
21609 * dbxout.c (getpwd): Don't prototype.
21610 * dwarf2out.c (getpwd): Likewise
21611 * dwarfout.c (getpwd): Likewise
21612 * final.c (getpwd): Likewise.
21613 * protoize.c (getpwd): Likewise.
21615 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21617 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21619 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21621 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21622 mark_set_resources.
21624 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21626 * fixinc/Makefile.in (subdir): New.
21627 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21630 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21632 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21633 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21636 * invoke.texi: Fix typo.
21638 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21639 changed. Handle autoincrement addressing modes.
21641 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21642 just like we would the virtual incoming args register when
21645 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21647 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21648 path, in .file directive.
21650 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21652 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21655 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21657 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21660 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21662 * tree.c (tree_code_name): Constify a char*.
21664 * tree.h (tree_code_name, decl_printable_name): Likewise.
21666 * function.h (struct function): Likewise.
21668 * toplev.c (decl_name, decl_printable_name): Likewise.
21670 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21672 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21673 (init_objc): Remove function pointer cast.
21675 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21677 * pa.md (interspace_jump): New pattern.
21678 (builtin_longjmp): New expander.
21680 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21682 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21683 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21684 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21686 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21688 * jump.c (delete_prior_computation): Also check calls
21689 to constant functions. Don't bother checking for a
21690 REG_UNUSED note before adding it.
21691 (delete_computation): Handle multi-word hard registers
21692 when synthesizing missing REG_DEAD notes for a register
21693 which is both set and used by an insn.
21695 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21697 * loop.c (this_loop_info): New variable.
21698 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21699 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21701 (prescan_loop, strength_reduce): New argument loop_info. All callers
21703 (scan_loop): New variable loop_info, initialise to address of
21705 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21706 Delete variable loop_has_multiple_exit targets and replace with
21707 field in this_loop_info.
21708 (find_and_verify_loops): Rename this_loop to this_loop_num.
21709 (strength_reduce): Delete loop_iteration_info. Replace variable
21710 loop_info with function argument of same name.
21711 (insert_bct): Rework test for loop being completely unrolled.
21713 * loop.h (struct loop_info): New fields num, loops_enclosed,
21714 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21715 has_indirect_jump, and cont. Redefine use of unroll_number.
21716 (loop_unroll_number): Delete.
21718 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21719 field of loop_info.
21720 (loop_iterations): Delete variable vtop and instead use
21721 loop_info->vtop computed in prescan_loop.
21723 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21725 * fix-header.c (main): Do not pass a null pointer to strcmp.
21727 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21729 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21731 * configure: Rebuilt.
21733 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21735 * jump.c (jump_optimize_1): Do not delete assignments to
21736 internal_arg_pointer.
21737 * cse.c (delete_trivially_dead_insns): Always consider a set of
21738 the internal_arg_pointer live.
21740 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21742 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21743 (update_life_info) [REG_WAS_0]: Search the original insns rather
21744 than the new insns for the note. Fix typos finding note_dest.
21745 If no dest found, discard the note rather than abort.
21746 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21747 (replace_insns): Remove the old insn list after update_life_info
21750 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21752 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21753 sched_analyze_insn.
21754 (sched_analyze_1): Let add_dependence care for not adding dups.
21755 (sched_analyze_2): Likewise.
21756 (add_branch_dependences): Likewise.
21758 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21760 * i386/winnt.c (export_list): New type.
21761 (exports_head): Rename to
21762 (export_head): this.
21763 (i386_pe_record_exported_symbol): Add is_data flag.
21764 (i386_pe_asm_file_end): Emit directive for exported variables.
21765 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21767 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21768 (ASM_DECLARE_OBJECT_NAME): Likewise.
21769 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21770 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21772 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21774 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21776 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21779 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21781 * config/openbsd.h: Define SET_ASM_OP.
21782 * tm.texi: cross-reference SET_ASM_OP in the index.
21784 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21786 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21787 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21788 and class_narrowest_mode at compile time. Kill init_rtl.
21789 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21790 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21791 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21793 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21795 * rtl.h: Declare rtx_length and rtx_format as const.
21796 * machmode.def: Define CC(). Use CC() to define CCmode. If
21797 EXTRA_CC_MODES is defined, expand it here.
21798 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21799 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21800 const. Kill all references to EXTRA_CC_MODES.
21802 * toplev.c: Don't prototype or call init_rtl.
21803 * optabs.c: Don't call init_mov_optab.
21804 * genemit.c: Don't generate init_mov_optab. Don't call
21806 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21808 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21809 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21810 genrecog.c: Don't call init_rtl.
21812 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21813 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21814 definition of EXTRA_CC_MODES.
21816 * md.texi: Kill ref to EXTRA_CC_NAMES.
21817 * tm.texi: Document new way to define EXTRA_CC_MODES.
21819 * genrecog.c: Do not look up the name of a define_split.
21820 (Unrelated bugfix.)
21822 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21824 * config/v850/v850.md: Fix typo introduced by previous delta.
21826 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21828 * gcc.c (fatal): Make definition static to match prototype.
21830 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21832 * combine.c (get_last_value): Don't look for earlier sets if the last
21833 known set is somewhere in between the insns being combined.
21835 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21837 * configure.in: Don't use shell ! to negate exit codes
21838 * configure: Regenerate
21840 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21842 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21843 the fact that ALIGN is measured in bits, not bytes.
21845 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21847 * errors.c: New file; defines functions error, warning, and
21848 fatal, variables have_error and progname.
21849 * errors.h: New file; prototypes and decls for stuff in errors.c.
21851 * Makefile: Add rules to build errors.o and
21852 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21853 genopinit, genrecog, genextract, genpeep, genattr, and
21854 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21855 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21856 genpeep.o, genattr.o, and genoutput.o.
21858 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21859 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21860 define or prototype fatal. Set progname at beginning of main.
21861 * genoutput.c: Likewise, and don't define or prototype error
21864 * c-typeck.c (c_expand_start_case): Return immediately if exp
21866 * fold-const.c (operand_equal_p): Return immediately if arg1
21867 or arg0 are ERROR_MARKs.
21868 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21869 fields of type ERROR_MARK when calculating if the record can
21872 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21873 with much help from Jeffrey A Law and Richard Henderson
21875 * i386.md: In the 6 insns which call output_fix_trunc,
21876 earlyclobber operands[0].
21878 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21880 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21881 creating new registers.
21883 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21885 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21886 i386_reg_alloc_order, i386_regparm_string,
21887 i386_align_loops_string, i386_align_jumps_string,
21888 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21889 and i386_branch_cost_string as type "const char *".
21890 * i386.c: Define all above strings as type "const char *".
21892 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21894 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21895 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21897 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21899 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21900 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21902 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21904 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21905 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21906 (dwarf2out_line, dwarf2out_finish): Likewise.
21907 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21909 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21911 * tree.c (lang_unsave_expr_now) : Correct return type.
21912 * tree.h (lang_unsave_expr_now) : Same.
21914 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21916 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21917 instead of duplicating code.
21919 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21921 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21923 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21925 * tree.h: fancy_abort always takes three args.
21926 * resource.c: Move include of system.h before toplev.h.
21928 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21930 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21933 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21935 * system.h: Don't redefine abort or trim_filename.
21936 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21937 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21938 whether or not __FUNCTION__ is available.
21939 * tree.h: Duplicate rtl.h's definition of abort, for files
21940 that don't include rtl.h. Delete all code to perform type
21941 checking with a compiler other than GCC.
21942 * varray.h: Delete all code to perform type checking with a
21943 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21944 its arguments exactly once, using a statement expression.
21945 Adjust the VARRAY_<type> accessor macros to match.
21946 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21947 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21948 caller's location. Define fatal_insn and fatal_insn_not_found
21949 as macros that use _fatal_insn and _fatal_insn_not_found.
21950 (fancy_abort, trim_filename): Kill prototypes.
21952 * rtl.c (trim_filename): Move here from toplev.c.
21953 (fancy_abort): New function.
21954 (DIR_SEPARATOR): Provide default definition.
21955 * tree.c (tree_check_failed, tree_class_check_failed): Go
21956 through fancy_abort.
21957 (tree_check, tree_class_check, cst_or_constructor_check,
21958 expr_check): Delete.
21959 * varray.c (varray_check_failed): New function.
21960 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21961 _fatal_insn and _fatal_insn_not_found. Go through
21963 (trim_filename, fancy_abort): Delete.
21965 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21966 * except.c (start_catch_handler): Report ICE with error/abort
21968 * final.c (output_operand_lossage): Likewise.
21969 * flow.c (verify_flow_info): Likewise.
21971 * gcc.c: Prototype fatal.
21972 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21973 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21974 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21975 Don't define fancy_abort.
21977 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21979 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21982 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21984 * m88k.h (VERSION_INFO2): Kill.
21985 (VERSION_STRING): Kill.
21987 (VERSION_INFO1): Tidy.
21988 (TARGET_VERSION): Update.
21989 * m88k/dgux.h (VERSION_INFO2): Kill.
21990 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21991 * m88k/luna.h (VERSION_INFO1): Tidy.
21992 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21993 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21994 (output_file_start): Adjust for death of VERSION_STRING.
21996 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21998 * cpplib.c (detect_if_not_defined): New function.
21999 (do_if): Use it to detect potential once-only headers.
22001 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22003 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22005 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22007 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22008 anywere in the function only if they are pseudos and set before
22009 being used (not live at the start of the function).
22010 (num_sign_bit_copies) : Same.
22011 (get_last_value_validate) : Same.
22012 (get_last_value) : Same.
22014 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22016 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22017 where N and M are constant and N is an integer multiple of M.
22019 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22021 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22022 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22023 sbitmap_union_of_preds): Add prototypes.
22024 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22025 the intersection of successors with the new flow graph structures.
22026 (sbitmap_intersection_of_preds): New function to compute the
22027 intersection of predecessors with the new flow graph structures.
22028 (sbitmap_union_of_succs): New function to compute the union of
22029 successors with the new flow graph structures.
22030 (sbitmap_union_of_preds): New function to compute the union of
22031 predecessors with the new flow graph structures.
22032 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22033 (expr_reaches_here_p): Use edge and basic_block structures instead
22034 of s_preds and s_succs.
22035 (compute_cprop_avinout): Use new sbitmap routines.
22036 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22037 of s_preds and s_succs.
22038 * flow.c (compute_flow_dominators): Compute dominators using
22039 edges and basic blocks instead of s_preds and s_succs.
22041 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22043 * lists.c (unused_insn_list, unused_expr_list): New file for
22044 maintaining various types of lists. New statics for maintaining a
22045 cache of available INSN_LIST and EXPR_LIST nodes.
22046 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22047 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22048 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22049 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22050 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22051 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22052 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22053 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22054 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22055 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22056 (remove_dependence, free_pending_lists): Use new global routines.
22057 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22058 (sched_analyze, compute_block_backward_dependences): Use new routines.
22059 (sched_analyze_1, sched_analyze_2): Use new routines.
22060 (schedule_insns): Use new global routines.
22061 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22063 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22064 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22066 * toplev.c (rest_of_compilation): Initialize node cache.
22067 * Makefile.in (OBJS): Add lists.o to list of object files.
22068 (lists.o): Add dependancies.
22070 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22072 * config/v850/v850.md: Fix compile time warning messages.
22073 * config/v850/v850.c: Fix compile time warning messages.
22074 * config/v850/v850.h: Fix compile time warning messages.
22076 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22078 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22079 Remove unused prototype for `init_lengths'.
22081 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22083 * calls.c (emit_call_1): Mark parameter `stack_size' with
22085 (expand_call): Initialize variable `insn'.
22086 (emit_library_call): Likewise for variable `high_to_save'.
22087 (emit_library_call_value): Likewise.
22088 (store_one_arg): Likewise for variables `lower_bound' and
22091 * combine.c (try_combine): Likewise for variables `i2_code_number'
22092 and `other_code_number'.
22093 (find_split_point): Likewise for variables `pos', `unsignedp' and
22095 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22096 (simplify_and_const_int): Remove unused variable `width'.
22097 (merge_outer_ops): Likewise.
22099 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22100 HOST_WIDE_INT' when comparing against one.
22101 (simplify_relational_operation): Likewise.
22102 (cse_insn): Initialize variables `src_eqv_volatile',
22103 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22105 * final.c (init_final): Constify parameter `filename'.
22106 (final_start_function): Mark parameter `optimize' with
22108 (profile_function): Likewise for parameters `first' and `optimize'.
22109 (output_source_line): Likewise for parameter `file'.
22111 * integrate.c (subst_constants): Cast a value to `size_t' when
22112 comparing against one.
22113 (mark_stores): Initialize variable `mode'. Cast a value to
22114 `size_t' when comparing against one.
22116 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22118 * loop.c (move_movables): Initialize variable `first'.
22119 (strength_reduce): Likewise for variable `increment'.
22120 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22121 value to `size_t' when comparing against one.
22122 (load_mems): Initialize variable `end_label'.
22124 * output.h (init_final): Constify parameter.
22126 * reload.c (decompose): Initialize variable `base'.
22128 * reload1.c (reload): Likewise for variable `is_scalar'.
22129 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22130 (choose_reload_regs): Initialize variable `mode'.
22131 (emit_reload_insns): Likewise for variable `store_insn'.
22132 (reload_cse_noop_set_p): Mark parameter `insn' with
22134 (reload_combine): Initialize variable `set'.
22136 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22137 (copy_loop_body): Cast a value to `size_t' when comparing against
22140 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22141 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22142 (remove_from_pending_weak_list): Mark parameter `name' with
22145 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22147 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22150 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22152 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22153 (ASM_DECLARE_FUNCTION_NAME): Define.
22154 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22155 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22156 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22157 not already defined.
22159 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22161 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22162 of n_popped when call/call_value are not defined.
22164 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22166 * tm.texi: GNU CC -> GCC conversion.
22167 (CC1_SPEC): Indicate it is used for all language front ends.
22169 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22171 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22172 NOTE_INSN_EH_REGION_END correctly.
22174 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22175 Jeff Law <law@cygnus.com>
22177 * loop.c (strength_reduce): Automatically unroll loops if the
22178 unrolled loop size is smaller than the rolled loop size.
22180 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22181 and delete comment that code should be rewritten.
22183 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22185 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22188 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22190 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22192 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22193 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22194 (LINK_SPEC): Add -u _main when building executables.
22195 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22196 (ASM_FILE_END): Use the default for ix86-pe.
22197 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22199 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22201 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22202 and ASM_CLOSE_PAREN are empty strings.
22204 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22205 Geoffrey Keating <geoffk@cygnus.com>
22207 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22208 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22209 (unprotoize.o): Ditto.
22210 (test-protoize-simple): Don't define STD_PROTO_DIR.
22211 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22212 changes to make 'test-protoize-simple' pass.
22213 (STD_PROTO_DIR): Remove define.
22214 (STANDARD_EXEC_PREFIX): Supply default define.
22215 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22216 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22217 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22218 (GET_ENV_PATH_LIST): New macro.
22219 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22220 (do_processing): Initialize default_syscalls_dir using new
22221 macros. Use it to initialize syscalls_absolute_filename.
22223 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22225 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22226 B into a register before emit_conditional_move.
22228 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22230 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22231 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22232 multiplicand out of (+ (* a b) (* c d)).
22234 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22235 Richard Henderson <rth@cygnus.com>
22237 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22238 (new_insn_dead_notes): Likewise.
22239 (update_n_sets): Likewise.
22240 (update_flow_info): Move to flow.c, renamed to update_life_info;
22241 extend to handle multiple source insns.
22242 * flow.c: Include resource.h
22243 (unlink_insn_chain): New.
22244 (split_hard_reg_notes): New.
22245 (maybe_add_dead_note): New.
22246 (maybe_add_dead_note_use): New.
22247 (find_insn_with_note): New.
22248 (new_insn_dead_notes): New.
22249 (update_n_sets): New.
22250 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22251 (maybe_remove_dead_notes): New.
22252 (update_life_info): New.
22253 (prepend_reg_notes): New.
22254 (replace_insns): New.
22255 * output.h (update_life_info): Declare.
22256 * recog.c (split_block_insns): Use update_life_info.
22257 * resource.c (find_free_register): Use reg_alloc_order, don't use
22258 fixed regs, make sure the mode is supported, don't use new regs.
22260 * rtl.h (replace_insns): Declare.
22262 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22264 * expr.c (expand_expr): Cope with COND_EXPRs with one
22265 non-returning branch.
22267 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22269 * expr.c (store_expr): Always pass down the target, even when not
22272 1999-08-24 Nick Clifton <nickc@cygnus.com>
22274 * configure.in: Define target_cpu_default for v850 targets.
22275 * configure: Regenerate
22277 * config/v850/v850.h (TARGET_CPU_generic): Define.
22278 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22279 addresses are 4 byte aligned.
22281 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22284 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22286 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22287 (main): Add prototypes.
22289 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22290 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22291 (write_attr_get): Emit prototypes along with function definition.
22292 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22293 (write_complex_function): Emit static prototype along with
22294 function definition.
22296 * genemit.c (gen_split): Emit prototypes along with function
22299 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22300 Likewise for predicates and `insn_operand_predicate'.
22301 (process_template): Emit static prototype along with function
22304 * genrecog.c (make_insn_sequence): Constify a char*. Add
22305 prototypes for get_split_*().
22306 (write_subroutine): Emit prototypes along with function
22309 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22311 * gcse.c (find_avail_set): Follow chains of register-register copies.
22312 Use oprs_not_set_p to guarantee that the returned value can be
22314 (cprop_insn): Don't verify the return value of find_avail_set with
22317 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22318 (cprop_cc0_jump): New function.
22319 (cprop_insn): Break out new function cprop_jump and use it.
22320 Also use cprop_cc0_jump for machines with CC0.
22321 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22323 * tree.h (current_function_calls_setjmp,
22324 current_function_calls_longjmp): Delete declarations.
22325 * dsp16xx.c: Include "function.h".
22326 * elxsi.c: Likewise.
22327 * gmicro.c: Likewise.
22328 * h8300.c: Likewise.
22329 * i370.c: Likewise.
22330 * m32r.c: Likewise.
22331 * mn10200.c: Likewise.
22332 * mn10300.c: Likewise.
22333 * ns32k.c: Likewise.
22334 * spur.c: Likewise.
22335 * v850.c: Likewise.
22337 * rtl.h (rtx_equal_function_value_matters): Declare.
22338 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22340 * function.c: Likewise.
22341 * emit-rtl.c: Likewise.
22343 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22345 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22348 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22350 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22353 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22355 * cpp.texi: Add a node documenting macro varargs (copied
22358 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22360 * cppspec.c: Put a null pointer at the end of the new argv.
22362 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22364 * configure.in: Remove code to select/de-select the haifa
22365 scheduler. Every scheduled port gets haifa now.
22366 * configure: Rebuilt.
22367 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22369 * Makefile.in: Corresponding changes.
22371 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22373 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22374 All callers changed.
22375 (prepare_float_lib_cmp): Likewise.
22376 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22377 * expr.h (emit_float_lib_cmp): Delete declaration.
22378 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22379 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22380 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22382 (cmptf): Now conditional on TARGET_HARD_QUAD.
22384 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22386 * resource.c (mark_target_live_regs): Use
22387 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22389 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22391 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22393 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22395 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22397 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22399 * rtl.h (rtx_format): Constify a char*.
22401 * rtl.c (rtx_format): Likewise.
22402 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22403 (init_rtl): Use accessor macro, not `rtx_format'.
22405 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22408 * caller-save.c (mark_referenced_regs): Likewise.
22410 * combine.c (subst, make_compound_operation, known_cond,
22411 gen_rtx_combine, update_table_tick, get_last_value_validate,
22412 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22414 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22415 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22416 count_reg_usage): Likewise.
22418 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22421 * final.c (leaf_renumber_regs_insn): Likewise.
22423 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22424 dump_edge_info, count_reg_references): Likewise.
22426 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22427 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22430 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22431 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22432 add_label_notes): Likewise.
22434 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22435 clear_struct_flag, count_sub_rtxs, count_alternatives,
22436 compares_alternatives_p, contained_in_p, walk_attr_value,
22437 write_expr_attr_cache): Likewise.
22439 * genconfig.c (walk_insn_part): Likewise.
22441 * genemit.c (max_operand_1, gen_exp): Likewise.
22443 * genextract.c (walk_rtx): Likewise.
22445 * genflags.c (num_operands): Likewise.
22447 * genoutput.c (scan_operands): Likewise.
22449 * genpeep.c (match_rtx): Likewise.
22451 * genrecog.c (add_to_sequence): Likewise.
22453 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22456 * integrate.c (save_constants, copy_for_inline,
22457 copy_rtx_and_substitute, subst_constants, restore_constants):
22460 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22461 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22463 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22466 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22467 add_label_notes, replace_call_address, count_nonfixed_reads,
22468 invariant_p, find_single_use_in_loop, find_mem_givs,
22469 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22472 * print-rtl.c (reg_names, print_rtx): Likewise.
22474 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22476 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22477 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22478 print_blocks): Likewise.
22480 * regclass.c (fix_register, record_address_regs,
22481 reg_scan_mark_refs): Likewise.
22483 * regmove.c (stable_but_for_p): Likewise.
22485 * reload.c (loc_mentioned_in_p, operands_match_p,
22486 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22487 copy_replacements, refers_to_regno_for_reload_p,
22488 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22489 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22492 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22493 delete_address_reloads_1, count_occurrences,
22494 reload_cse_mem_conflict_p, reload_combine_note_use,
22495 add_auto_inc_notes): Likewise.
22497 * resource.c (mark_referenced_resources, mark_set_resources):
22500 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22501 reg_mentioned_p, regs_set_between_p, modified_between_p,
22502 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22503 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22504 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22505 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22507 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22509 * stupid.c (stupid_mark_refs): Likewise.
22511 * unroll.c (remap_split_bivs): Likewise.
22513 * varasm.c (mark_constants): Likewise.
22515 * a29k/a29k.c (uses_local_reg_p): Likewise.
22517 * alpha/alpha.c (summarize_insn): Likewise.
22519 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22520 eliminate_lr2ip): Likewise.
22522 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22524 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22525 reg_mentioned_in_mem): Likewise.
22527 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22528 symbolic_reference_mentioned_p): Likewise.
22530 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22532 * sh/sh.c (regs_used, mark_use): Likewise.
22534 * vax/vax.c (vax_rtx_cost): Likewise.
22536 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22538 * machmode.h (mode_name): Constify a char*.
22540 * rtl.c (mode_name): Likewise.
22542 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22544 * optabs.c (init_libfuncs): Constify a char*.
22546 * print-tree.c (mode_name): Remove redundant declaration.
22547 (print_node): Use accessor macro, not `mode_name'.
22549 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22551 (new_spill_reg): Constify a char*.
22553 * tree.c (mode_name): Remove redundant declaration.
22555 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22557 * rtl.c (rtx_name): Constify a char*.
22559 * rtl.h (rtx_name, fix_sched_param): Likewise.
22561 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22562 (mypr): Use accessor macro, not `rtx_name'.
22564 * genemit.c (print_code): Constify a char*.
22566 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22568 * genpeep.c (print_code): Constify a char*.
22570 * genrecog.c (print_code): Likewise.
22572 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22573 end_bb): Add static prototype.
22574 (draw_edge): Constify a char*.
22575 (end_bb): Remove unused parameter.
22577 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22578 print_block_visualization): Constify a char*.
22580 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22582 * c-common.c (c_get_alias_set): Update comment.
22584 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22586 * linux.h (LIB_SPEC): Added.
22588 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22590 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22592 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22594 * tree.c (expr_check): Fix typo in last change.
22596 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22598 * rtl.def (NOTE): Change format to "iuu0n".
22599 (ADDR_DIFF_VEC): Change format to "eEee0".
22600 (ADDRESSOF): Change format to "eit".
22602 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22603 (RTVEC_ELT): Change to match.
22604 (XVECEXP): Use XVEC and RTVEC_ELT.
22605 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22606 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22607 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22608 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22609 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22610 (INTVAL): Use XWINT.
22611 (ADDRESSOF_DECL): Use XTREE.
22612 (SET_ADDRESSOF_DECL): Delete.
22613 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22614 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22615 ifdefed out since 2.6 at least.
22616 (gen_rtvec_vv): Delete prototype.
22618 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22620 (copy_most_rtx): Handle 't' format letter.
22621 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22622 (gen_rtvec_vv): Delete function. All callers changed to use
22623 gen_rtvec_v instead.
22624 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22625 the '0' format letter.
22627 * function.c (gen_mem_addressof): Don't use
22628 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22630 * integrate.c (copy_rtx_and_substitute): Likewise.
22631 Copy 't' slots with XTREE.
22632 (subst_constants): Treat 't' slots like '[swi]' slots.
22633 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22634 * jump.c (rtx_equal_for_thread_p): Likewise.
22635 * rtlanal.c (rtx_equal_p): Likewise.
22636 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22637 only four arguments.
22638 * gengenrtl.c (type_from_format): Provide correct types for
22642 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22643 If a recent gcc is in use (always in stage2 and beyond), use
22644 statement expressions, so we don't make a function call unless
22645 the check fails. Evaluate arguments exactly once.
22646 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22647 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22649 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22650 they evaluate their arguments exactly once, irrespective of
22651 the compiler in use.
22653 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22654 is used by the currently-enabled check macros. This is:
22655 (tree_check_failed, tree_class_check_failed): For gcc.
22656 (tree_check, tree_class_check, cst_or_constructor_check,
22657 expr_check): For other compilers.
22659 * gencheck.c: Do not define any *_CHECK1 macros.
22661 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22662 Mark Mitchell <mark@codesourcery.com>
22664 * c-common.c (c_get_alias_set): Fix support for poitners and
22667 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22669 * alias.c: Include tree.h.
22670 (nonlocal_reference_p, mark_constant_function): New functions.
22671 * flow.c (life_analysis): Call mark_constant_function.
22672 * rtl.h (mark_constant_function): Declare it.
22674 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22676 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22677 unrecognisable switches.
22679 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22681 * loop.c (recombine_givs): Set ix field after sorting.
22682 (recombine_givs): Remove bogus index / giv lockstep looping.
22684 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22686 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22688 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22689 (do_cmp_and_jump): Formatting fixes.
22690 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22691 do_compare_rtx_and_jump instead of compare_from_rtx.
22692 (do_compare_rtx_and_jump): New function; mostly copied from
22694 (do_jump_for_compare): Delete.
22695 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22697 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22698 of compare/do_jump_for_compare pairs.
22699 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22700 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22701 compare_from_rtx/do_jump_for_compare pairs.
22702 (do_jump_by_parts_equality): Likewise.
22703 (do_jump_by_parts_equality_rtx): Likewise.
22704 * expr.h (do_compare_rtx_and_jump): Declare.
22705 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22706 that used to be in emit_cmp_insn.
22707 (cmp_available_p): New function.
22708 (prepare_operand): New function.
22709 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22710 to be in emit_cmp_insn.
22711 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22712 parameters to be pointers; don't emit final compare but modify some of
22713 the values pointed to by the args so the caller can perform the
22714 correct comparison.
22715 (expand_binop): Call emit_store_flag_force with signed forms of
22717 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22718 emit_jump_insn pair.
22719 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22720 emit_cmp_and_jump_insn_1. Call emit_queue.
22721 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22723 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22724 jump sets cc0 before deleting it.
22725 * integrate.c (expand_inline_function): Likewise.
22726 * unroll.c (unroll_loop): Similar changes in several places.
22727 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22728 before deleting it.
22730 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22732 * Makefile.in (insn-recog.o): Update dependencies.
22733 * genrecog.c (main): Make generated file include "function.h".
22735 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22737 * cse.c (cse_insn): Call never_reached_warning when a jump is
22738 changed to be unconditional.
22739 * flags.h: Declare warn_notreached.
22740 * flow.c (delete_block): Call never_reached_warning when
22741 a block is deleted.
22742 * jump.c (delete_barrier_successors): Call never_reached_warning
22743 when we delete everything after a BARRIER.
22744 (never_reached_warning): New function.
22745 * rtl.h: Declare never_reached_warning.
22746 * toplev.c (warn_notreached): New variable.
22747 (lang_independent_options): Set warn_notreached
22748 when -Wunreachable-code.
22749 (compile_file): We need line numbers for -Wunreachable-code.
22751 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22753 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22754 * sched.c (insn_unit): Likewise.
22756 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22758 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22760 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22762 * flow.c (create_edge_list): Use xmalloc, not malloc.
22764 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22766 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22767 C-style comments. Do not lose the character before double slash.
22769 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22771 * basic-block.h (struct edge_list): Stucture to maintain a vector
22773 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22774 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22775 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22776 New function prototypes.
22777 * flow.c (create_edge_list): Function to create an edge list.
22778 (free_edge_list): Discards memory used by an edge list.
22779 (print_edge_list): Debug output showing an edge list.
22780 (verify_edge_list): Internal consistency check for an edge list.
22781 (find_edge_index): Function to find an edge index for a pred and succ.
22783 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22785 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22788 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22790 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22792 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22794 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22796 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22798 * toplev.c (rest_of_compilation): Allow machine dependent
22799 reorganisation pass to place information into the RTL dump
22800 file if it so wishes.
22802 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22804 * explow.c (hard_function_value): Use VOIDmode instead of
22806 * stmt.c (expand_return): Likewise.
22807 * stor-layout.c (get_best_mode): Likewise.
22809 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22810 emit call instead of emit_insn call.
22812 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22814 * configure.in: Handle --disable/enable-win32-registry.
22815 * install.texi: Document --disable/enable-win32-registry.
22816 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22817 (WIN32_REGISTRY_KEY): New macro.
22818 * prefix.c: Use to enable/disable win32-specific code.
22819 (lookup_key): Use versioned key.
22820 * configure: Regenerate.
22821 * config.in: Likewise.
22823 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22825 * cpplib.c (read_line_number): New fn, split out of...
22828 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22830 tree.c (lang_unsave_expr_now) : New.
22831 (unsave_expr_now): Call lang_unsave_expr_now.
22832 tree.h (lang_unsave_expr_now) : New.
22834 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22836 * toplev.c (flag_new_exceptions): On by default.
22838 1999-08-13 Michael Meissner <meissner@cygnus.com>
22840 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22842 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22844 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22845 INTEGER_TYPE with precision==1, it's __java_boolean.
22847 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22849 * global.c (prune_preferences): Move some invariants out of the
22852 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22854 * configure.in (alpha*-dec-osf*): Add osf5.
22856 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22858 * configure.in: Rework handling of ARM GNU/Linux slightly.
22859 (arm*-*-linux-gnuoldld): New target.
22860 * configure: Regenerate.
22861 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22862 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22863 * config/arm/linux-oldld.h: New file.
22864 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22865 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22867 * config/arm/linux-elf.h (ASM_SPEC): Define.
22868 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22869 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22870 for 26-bit APCS and old linker.
22871 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22873 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22874 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22875 don't define `arm' or `arm_elf'.
22876 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22877 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22879 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22881 * rtl.texi: Fix typo.
22883 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22885 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22887 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22889 * extend.texi (C++ Signatures): Remove node.
22890 * invoke.texi: Remove discussion of -fhandle-signatures,
22891 signature, sigof, __signature__, and __sigof__.
22893 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22895 * Makefile.in (JAVAGC): Removed.
22897 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22899 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22901 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22903 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22905 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22907 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22908 a register that is already known to be a pointer.
22910 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22912 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22913 * fixinc/inclhack.sh: Regenerated.
22914 * fixinc/fixincl.sh: Regenerated.
22916 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22918 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22919 Fix documentation of -ansi flag to describe its C++ behavior.
22920 Remove bogus reference to GCC 2.9.
22922 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22924 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22925 note if it is non-NULL.
22927 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22929 * except.h (eh_nesting_info): Add new structure defintion.
22930 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22931 (reachable_handlers, update_rethrow_references): Add function
22933 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22934 a rethrow symbol instead of an integer exception region number.
22935 * flow.c (Make_edges): Use new exception nesting routines to determine
22936 which handlers are reachable from a CALL or asynchronous insn.
22937 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22939 (delete_eh_regions): Update rethrow labels, and don't delete
22940 regions which are the target of a rethrow.
22941 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22942 avoid overloading the SYMBOL_REF_USED flag.
22943 (rethrow_symbol_map): Use new rethrow_ref field.
22944 (rethrow_used): Use new rethrow_ref field.
22945 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22946 of an integer. Fix formatting.
22947 (output_exception_table_entry): Use new rethrow_ref field.
22948 (can_throw): Check for EH_REGION_NOTE before deciding
22949 whether a CALL can throw or not.
22950 (scan_region): Call rethrow_used() instead of accessing data structure.
22951 (update_rethrow_references): New function to make sure only regions
22952 which are still targets of a rethrow are flagged as such.
22953 (process_nestinfo): New static function to initialize a handler
22954 list for a specific region.
22955 (init_eh_nesting_info): New function to allocate and initialize
22956 the list of all EH handlers reachable from all regions.
22957 (reachable_handlers): New function to retrieve the list of handlers
22958 reachable from a specific region and insn.
22959 (free_eh_nesting_info): New function to dispose of a list of
22960 reachable handlers.
22962 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22964 * flow.c (split_edge): Set JUMP_LABEL field.
22965 (commit_one_edge_insertion): Set head correctly for insert_before.
22966 When inserting insns, update insn block numbers if allocated.
22968 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22970 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22971 retry_incomplete_types): Add static prototype.
22972 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22973 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22974 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22975 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22976 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22979 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22980 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22982 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22984 * output.h (assemble_name): Constify a char*.
22986 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22987 assemble_variable, assemble_name): Likewise.
22989 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22991 * arm/pe.c (arm_pe_unique_section): Likewise.
22993 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22995 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22997 * i386/interix.c (i386_pe_unique_section): Likewise.
22999 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23001 * i386/winnt.c (i386_pe_unique_section): Likewise.
23003 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23005 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23007 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23009 * pa/pa.c (output_call): Likewise.
23011 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23013 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23015 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23018 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23021 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23023 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23024 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23026 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23028 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23030 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23032 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23034 * tree.h (lang_identify): Constify a char*.
23035 (print_error_function): Add extern prototype. Constify a char*.
23037 * c-lang.c (lang_identify): Constify a char*.
23039 * objc/objc-act.c (lang_identify): Constify a char*.
23041 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23043 * genpeep.c (main): Make generated file include "function.h".
23044 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23046 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23048 * Makefile.in: Update dependencies.
23049 * alias.c: Include "function.h"
23050 * c-decl.c: Likewise.
23051 * caller-save.c: Likewise.
23052 * calls.c: Likewise.
23053 * combine.c: Likewise.
23055 * explow.c: Likewise.
23056 * final.c: Likewise.
23057 * global.c: Likewise.
23058 * graph.c: Likewise.
23059 * local-alloc.c: Likewise.
23060 * loop.c: Likewise.
23061 * optabs.c: Likewise.
23062 * profile.c: Likewise.
23063 * recog.c: Likewise.
23064 * regclass.c: Likewise.
23065 * regmove.c: Likewise.
23066 * reload.c: Likewise.
23067 * reorg.c: Likewise.
23068 * resource.c: Likewise.
23069 * sched.c: Likewise.
23070 * stupid.c: Likewise.
23071 * config/1750a/1750a.c: Likewise.
23072 * config/a29k/a29k.c: Likewise.
23073 * config/arc/arc.c: Likewise.
23074 * config/arm/arm.c: Likewise.
23075 * config/arm/thumb.c: Likewise.
23076 * config/c4x/c4x.c: Likewise.
23077 * config/clipper/clipper.c: Likewise.
23078 * config/convex/convex.c: Likewise.
23079 * config/fx80/fx80.c: Likewise.
23080 * config/i860/i860.c: Likewise.
23081 * config/m68k/m68k.c: Likewise.
23082 * config/m88k/m88k.c: Likewise.
23083 * config/mips/mips.c: Likewise.
23084 * config/pdp11/pdp11.c: Likewise.
23085 * config/pyr/pyr.c: Likewise.
23086 * config/romp/romp.c: Likewise.
23087 * config/sh/sh.c: Likewise.
23088 * config/tahoe/tahoe.c: Likewise.
23089 * config/vax/vax.c: Likewise.
23090 * config/we32k/we32k.c: Likewise.
23091 * config/sparc/sparc.c: Include "function.h".
23092 (mem_min_alignment): Test current_function rather than
23093 regno_pointer_align.
23094 * config/pa/pa.c: Likewise.
23095 (compute_frame_size): Delete declaration of
23096 current_function_outgoing_args_size.
23097 * config/arc/arc.h (current_function_varargs): Delete declaration.
23098 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23100 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23102 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23103 current_function_uses_pic_offset_table.
23104 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23105 of current_function_returns_pointer.
23106 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23107 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23108 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23109 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23110 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23111 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23112 * config/m88k/m88k.c: Include "function.h"
23113 (call_used_regs, current_function_pretend_args_size,
23114 current_function_outgoing_args_size, frame_pointer_needed): Delete
23116 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23118 * config/mips/mips.h (current_function_calls_alloca): Delete
23120 * config/mn10200/mn10200.h (current_function_needs_context,
23121 rtx_equal_function_value_matters): Delete declarations.
23122 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23123 flag_pic): Delete declarations.
23124 * config/pa/pa.h (current_function_pretend_args_size,
23125 current_function_decl): Delete declarations.
23126 * config/pa/som.h (current_function_varargs): Delete declaration.
23127 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23129 * config/pyr/pyr.h (current_function_pretend_args_size,
23130 current_function_args_size, current_function_calls_alloca): Delete
23132 * config/sh/sh.h (current_function_varargs): Delete declaration.
23133 * config/sparc/sparc.h (current_function_outgoing_args_size,
23134 current_function_calls_alloca, current_function_decl): Delete
23136 * config/spur/spur.h (current_function_pretend_args_size,
23137 current_function_calls_alloca): Delete declarations.
23138 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23140 * config/vax/vms.h (current_function_name): Delete declaration.
23141 * gcse.c: Include "function.h".
23142 (current_function_name, current_function_calls_setjmp): Delete
23144 * haifa-sched.c: Include "function.h".
23145 (forced_labels): Delete declaration.
23146 * jump.c: Likewise.
23147 * reg-stack.c: Likewise.
23148 * reload1.c: Likewise.
23149 * genemit.c (main): Make generated file include function.h.
23150 * genoutput.c (output_prologue): Likewise.
23152 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23153 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23154 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23155 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23156 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23157 macros for some of them.
23158 (emit_filename, emit_lineno): Delete declarations.
23159 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23160 regno_pointer_* variables through current_function.
23161 (gen_inline_header_rtx): Delete function.
23162 (save_emit_status): Delete function.
23163 (set_new_last_label_num): New function.
23164 (clear_emit_caches): New function.
23165 (restore_emit_status): Just clear last_labelnum and call
23167 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23168 through macro seq_stack.
23169 (add_insn_after): Likewise.
23170 (add_insn_before): Likewise.
23171 (remove_insn): Likewise.
23172 (pop_topmost_sequence): Likewise.
23173 (in_sequence_p): Likewise.
23174 (start_sequence_for_rtl_expr): Likewise.
23175 (start_sequence): Likewise, and likewise for
23176 sequence_rtl_expr/seq_rtl_expr.
23177 (push_topmost_sequence): Likewise.
23178 (end_sequence): Likewise.
23179 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23180 All callers changed. Store into that pointer instead of globals.
23181 (init_emit): Allocate emit elt of current_function.
23182 Changes for sequence_rtl_expr/sequence_stack renaming.
23183 Call clear_emit_caches instead of doing it in-line.
23184 Access regno_pointer_* variables through current_function.
23185 (init_emit_once) Don't clear sequence_stack.
23187 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23189 (arg_pointer_save_area): Delete declaration.
23190 (finish_expr_for_function): Renamed from init_queue; no longer static.
23191 (init_expr): Don't call init_queue.
23192 (save_expr_status, restore_expr_status): Delete functions.
23193 (expand_expr): Changes to reflect new layout of struct function.
23194 Don't access current_function_check_memory_usage when current_function
23196 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23197 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23198 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23199 current_function_uses_const_pool, function_call_count,
23200 current_function_uses_pic_offset_table, nonlocal_labels,
23201 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23202 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23203 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23205 (finish_expr_for_function): Declare.
23206 * flags.h (current_function_has_nonlocal_label,
23207 current_function_has_nonlocal_goto, current_function_is_thunk,
23208 current_function_has_computed_jump): Delete declarations.
23209 * flow.c (forced_labels): Delete declaration.
23210 * function.c (current_function_pops_args,
23211 current_function_returns_struct, current_function_returns_pcc_struct,
23212 current_function_needs_context, current_function_calls_setjmp,
23213 current_function_calls_longjmp, current_function_has_nonlocal_label,
23214 current_function_has_nonlocal_goto, current_function_is_thunk,
23215 current_function_has_computed_jump, current_function_calls_alloca,
23216 current_function_contains_functions, current_function_returns_pointer,
23217 current_function_epilogue_delay_list, current_function_args_size,
23218 current_function_pretend_args_size, current_function_arg_offset_rtx,
23219 current_function_outgoing_args_size, current_function_varargs,
23220 current_function_stdarg, current_function_args_info, cleanup_label,
23221 current_function_name, current_function_uses_const_pool,
23222 current_function_instrument_entry_exit, current_function_return_rtx,
23223 current_function_uses_pic_offset_table, nonlocal_labels,
23224 current_function_internal_arg_pointer, current_function_cannot_inline,
23225 current_function_check_memory_usage, function_call_count,
23226 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23227 nonlocal_goto_stack_level, return_label, save_expr_regs,
23228 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23229 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23230 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23231 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23232 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23234 (push_function_context_to): Don't save them. Don't call
23235 save_storage_status, save_emit_status or save_expr_status.
23236 (pop_function_context_from): Don't restore them. Don't call
23237 restore_storage_status or restore_expr_status.
23238 (get_func_frame_size): New function.
23239 (get_frame_size): Use it.
23240 (assign_outer_stack_local): Reflect some member name changes in struct
23242 (put_reg_into_stack): Likewise.
23243 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23245 (fixup_var_refs): Likewise.
23246 (fix_lexical_addr): Likewise.
23247 (trampoline_address): Likewise.
23248 (prepare_function_start): Clear field inlinable of current_function.
23249 (init_function_for_compilation): New function.
23250 (expand_dummy_function_end): New function.
23251 (expand_function_end): Call finish_expr_for_function.
23252 * function.h (struct emit_status): New; fields moved here from struct
23253 function and from global variables. Add accessor macros for some of
23255 (struct expr_status): Likewise.
23256 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23257 (struct function): Add fields expr and emit, inlinable, inl_emit,
23258 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23259 inl_max_label_num. Add many comments.
23260 Add accessor macros for all elts of struct function that no longer
23261 have a global variable.
23262 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23263 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23264 stack_slot_list): Delete declarations.
23265 (get_func_frame_size): Declare.
23266 (save_expr_status, restore_expr_status, save_emit_status,
23267 save_storage_status, restore_storage_status): Delete declarations.
23268 (init_virtual_regs): Declare.
23269 * output.h (current_function_pops_args,
23270 current_function_returns_struct, current_function_returns_pcc_struct,
23271 current_function_needs_context, current_function_calls_setjmp,
23272 current_function_calls_longjmp, current_function_calls_alloca,
23273 current_function_has_nonlocal_label, current_function_varargs,
23274 current_function_has_computed_jump, current_function_returns_pointer,
23275 current_function_contains_functions, current_function_args_size,
23276 current_function_pretend_args_size, current_function_stdarg,
23277 current_function_outgoing_args_size, current_function_args_info,
23278 current_function_name, current_function_return_rtx,
23279 current_function_epilogue_delay_list,
23280 current_function_uses_const_pool, current_function_cannot_inline):
23281 Delete declarations.
23282 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23283 regno_reg_rtx): Delete declaration.
23284 (REGNO_POINTER_FLAG): Delete macro.
23285 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23286 function were renamed.
23287 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23289 * toplev.c: Include "function.h".
23290 (current_function_decl): Delete declaration.
23291 (compile_file): Call init_dummy_function_start and
23292 expand_dummy_function_end around some initializations that need to
23294 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23295 Call init_function_for_compilation.
23296 * unroll.c: Include "function.h"
23297 (unroll_loop): Access regno_pointer_* variables through
23300 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23301 (DECL_SAVED_INSNS): use it.
23302 (expand_dummy_function_end): Declare.
23303 (init_function_for_compilation): Declare.
23304 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23305 that it's no longer an INLINE_HEADER.
23306 (expand_call): Likewise.
23307 * integrate.c (finish_inline): Delete function.
23308 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23309 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23310 args. Don't generate an INLINE_HEADER rtx, just return the arg
23311 vector. All callers changed.
23312 (save_for_inline_copying): Create a duplicate struct emit_status to
23313 hold the emit state for compiling the current function. Use this and
23314 the other new fields in struct function that are for integration
23315 instead of an INLINE_HEADER.
23316 Use memcpy instead of bcopy.
23317 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23318 (save_for_inline_nocopy): Similar changes, except no new emit_status
23320 (expand_inline_function): Get information from function structure,
23321 not from an inline header rtx.
23322 (output_inline_function): Lose code to extract the necessary
23323 information from an inline header; simply put back the function
23324 structure into current_function. Clear its inlinable elt.
23325 * rtl.def (INLINE_HEADER): Delete.
23326 * rtl.h: Delete all accessors for an INLINE_HEADER.
23327 (gen_inline_header_rtx): Delete declaration.
23328 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23329 Delete declarations.
23330 (REGNO_POINTER_ALIGN): Delete.
23331 (clear_emit_caches): Declare.
23332 (set_new_last_label_num): Declare.
23334 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23336 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23338 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23339 * stmt.c (is_eh_region): Make sure current_function is present, too.
23341 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23343 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23344 for 64bit PA targets.
23346 * pa.h (SELECT_SECTION): Define.
23347 * som.h (SELECT_SECTION): Delete.
23349 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23351 * alias.c (init_alias_analysis): Wrap call to
23352 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23354 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23356 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23357 <sys/asm.h> contains an asm comment with an apostrophe
23358 * fixinc/inclhack.sh: regen
23359 * fixinc/fixincl.x: regen
23361 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23363 * function.c (init_function_start): Clear prologue & epilogue.
23364 (prologue_epilogue_contains): New function.
23365 * alias.c (init_alias_analysis): Use it.
23366 * rtl.h (prologue_epilogue_contains): Declare it.
23368 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23370 * jump.c (onlyjump_p): New function.
23371 * rtl.h: Declare it.
23372 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23373 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23375 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23377 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23378 to invert loops. Simplify block scanning.
23380 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23382 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23383 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23385 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23387 * config/sparc/liteelf.h: New file to support sparclite-elf target
23388 * config/sparc/t-sp86x: New file to support sparc86x targets
23389 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23390 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23391 * configure.in: Support above target triplets
23392 * configure: Regenerated
23394 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23396 * fixinc/server.c (server_setup): Do not prefix function used as
23397 parameter with `&'.
23399 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23401 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23402 Remove fp reg alternatives.
23404 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23406 * Makefiin (TAROUTOPTS): Kill.
23407 (install-headers-tar): Use "xpf" for tar headerfile extraction
23408 * i370/x-oe (TAROUTOPTS): Delete.
23409 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23410 * m68k/x-hp320 (TAROUTOPTS): Delete.
23411 * m68k/x-hp320g (TAROUTOPTS): Delete.
23412 * gcc.texi: Update bug reporting text.
23414 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23416 * reg-stack.c (change_stack) Fixed problem with negative array index.
23418 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23420 * extend.texi, install.texi: Fix spelling mistakes.
23422 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23423 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23424 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23425 PREMADE_ATTRTAB_MD.
23426 * mips/t-ecoff: Likewise.
23427 * mips/t-elf: Likewise.
23428 * mips/t-mips: Likewise.
23429 * mips/t-osfrose: Likewise.
23430 * mips/t-r3900: Likewise.
23431 * mips/t-svr3: Likewise.
23432 * mips/t-svr4: Likewise.
23433 * mips/t-ultrix: Likewise.
23435 * gcc.texi: Document recommend means to provide software floating
23436 point libraries in libgcc.a
23438 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23440 * c-lex.c (yylex): We can have a number with no digits.
23442 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23444 * jump.c (delete_prior_computation): New function, broken
23445 out of delete_computation. Check for side effects with
23446 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23447 multi-word hard registers.
23448 (delete_computation): Use it. Check for side effects with
23449 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23450 missing REG_DEAD note for a register which is both set and
23453 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23455 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23456 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23457 (ASM_FILE_START): Import _mcount with the right type.
23458 (ASM_DECLARE_FUNCTION_NAME): Define.
23459 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23460 * pa.c (output_function_prologue): Always emit the function's label
23462 * pa.h (TEXT_SPACE_P): Define.
23463 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23464 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23465 * som.h (TEXT_SPACE_P): Delete.
23466 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23467 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23469 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23471 * expr.c (emit_group_load): Allow src to be a CONCAT.
23473 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23475 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23476 (___mulsi3): Use '!' comment character.
23478 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23480 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23482 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23484 * gcc.c: Update URLs and mail addresses.
23485 * gcc.texi: Likewise.
23487 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23489 * rs6000.c (current_file_function_operand): Return zero for
23491 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23493 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23496 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23498 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23499 allocate space in the stack frame for the PIC register.
23501 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23503 * m68k.md (xordi3, anddi3): These patterns are not available on
23506 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23508 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23509 (PUT_REAL): Likewise.
23511 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23513 * final.c (shorten_branches): Don't add an alignment for loops
23514 that have no label inside.
23516 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23518 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23519 prototypes in macro HAVE_cmpstrsi.
23521 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23523 * emit-rtl.c (operand_subword): Remove unused variable
23526 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23528 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23530 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23532 * cpphash.c (macroexpand): Delete leading whitespace when arg
23533 is concatenated before.
23534 (unsafe_chars): Correct test for whether + and - can extend a
23537 * cppinit.c (cpp_start_read): Do dependencies for
23538 -include/-imacros files also.
23540 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23541 tokenizing non-directive lines.
23542 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23543 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23546 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23548 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23550 * c-lex.c: Sync with C++ frontend.
23551 (linemode): New variable.
23552 (parse_float): imag, conversion_errno, and type are output only.
23553 (yylex): Adjust. Move initial '.' case into main switch.
23555 (handle_generic_pragma): Just deal with tokens.
23556 (readescape): Use ISXDIGIT and ISGRAPH.
23557 * c-parse.in: Add END_OF_LINE token.
23559 * c-lex.c (lang_init): Generalize.
23560 (nextchar): Remove. Replace uses with UNGETC.
23561 (skip_white_space): Handle linemode here. Optimize for cpplib.
23562 (skip_white_space_on_line): Remove.
23563 (extend_token_buffer_to): New fn.
23564 (extend_token_buffer): Use it.
23565 (read_line_number, check_newline): Just deal with tokens.
23566 (token_getch, token_put_back): New fns.
23567 (yylex): Use them. More cpplib optimizations. Simplify.
23569 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23570 Jason Merrill <jason@yorick.cygnus.com>
23572 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23573 (consume_string): Make this smart about USE_CPPLIB.
23574 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23575 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23576 Also, clean up cases where we redundantly set token_buffer[0].
23577 (read_line_number): New fn.
23578 (ignore_escape_flag): New variable.
23580 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23582 * a29k/t-a29kbare: Fix some comments.
23583 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23584 (FPBIT, DPBIT): Define.
23585 * a29k/t-vx29k: Likewise.
23586 * arc/t-arc: Likewise.
23587 * arm/t-arm-elf: Likewise.
23588 * arm/t-bare: Likewise.
23589 * arm/t-pe: Likewise.
23590 * arm/t-pe-thumb: Likewise.
23591 * arm/t-semi: Likewise.
23592 * arm/t-thumb: Likewise.
23593 * arm/t-thumb-elf: Likewise.
23594 * arm/t-thumb-linux: Likewise.
23595 * h8300/t-h8300: Likewise.
23596 * i960/t-i960: Likewise.
23597 * i960/t-vxworks960: Likewise.
23598 * m32r/t-m32r: Likewise.
23599 * mips/t-ecoff: Likewise.
23600 * mips/t-elf: Likewise.
23601 * mips/t-r3900: Likewise.
23602 * pa/t-pro: Likewise.
23603 * rs6000/t-aix43: Likewise.
23604 * rs6000/t-beos: Likewise.
23605 * rs6000/t-newas: Likewise.
23606 * rs6000/t-ppccomm: Likewise.
23607 * rs6000/t-rs6000: Likewise.
23608 * rs6000/t-winnt: Likewise.
23609 * rs6000/t-xnewas: Likewise.
23610 * rs6000/t-xrs6000: Likewise.
23611 * sh/t-sh: Likewise.
23612 * sparc/t-elf: Likewise.
23613 * sparc/t-sparcbare: Likewise.
23614 * sparc/t-sparclite: Likewise.
23615 * sparc/t-splet: Likewise.
23616 * v850/t-v850: Likewise.
23617 * mn10200/t-mn10200: Fix comments.
23618 * mn10300/t-mn10300: Likewise.
23620 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23621 dummy operand. Allocate a new pseudo for the dummy operand.
23622 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23624 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23626 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23628 * configure: Rebuilt.
23629 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23631 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23633 * recog.c (preproces_constraints): Zero recog_op_alt before
23634 processing the constraints.
23636 * arm.c (typedef minipool_node): Renamed from pool_node.
23637 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23638 (add_minipool_constant): New function.
23639 (dump_minipool): New function.
23640 (find_barrier): Remove special case for getting the insn size of
23641 an insn that references the constant pool.
23642 (minipool_fixup): New structure.
23643 (push_minipool_barrier): New function.
23644 (push_minipool_fix): New function.
23645 (note_invalid_constants): New function.
23646 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23647 (arm_reorg): Rewrite code to fix up the constant pool into a
23648 series of mini-pools embedded in the insn stream.
23649 (arm_output_epilogue): New function, made mainly from the body
23650 of output_func_epilogue.
23651 (output_func_epilogue): Move insn generation part of epilogue code
23652 to arm_output_epilogue.
23653 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23654 * arm.md (pool_range): New attribute.
23655 (zero_extendqidi2): Add attribute pool_range.
23656 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23657 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23658 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23659 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23660 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23661 (epilogue): New expand.
23662 (epilogue_insn): New insn. Call arm_output_epilogue.
23664 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23665 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23667 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23669 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23671 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23673 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23675 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23677 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23679 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23681 * global.c: Fix comment.
23683 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23685 * gcc.c (access_check): New static function.
23686 (find_a_file): Use it when searching a directory list.
23687 * collect2.c (find_a_file): Don't accept directories found when
23688 searching a directory list.
23690 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23692 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23693 function parameters with `&'.
23694 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23696 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23698 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23699 or tidy_fallthru_edge if the last insn in the block is not
23700 an unconditional jump or a simple conditional jump.
23702 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23704 * Makefile.in (c-decl.o): Depends on defaults.h.
23706 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23708 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23710 (CLASS_MAX_NREGS): Likewise.
23712 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23714 * cse.c (cse_insn): Fix dumb thinko in last change.
23716 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23718 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23721 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23723 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23724 test for sizes of passed and declared parameter types.
23726 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23728 * fixincludes: Fix the return type of bsearch, char* -> void*.
23730 * fixinc/inclhack.def: Likewise.
23732 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23734 * invoke.texi (-fdump-translation-unit): New option.
23736 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23738 * expr.h (PROMOTE_PROTOTYPES): Move ...
23739 * defaults.h: ... to here.
23740 * c-decl.c: Include defaults.h instead of expr.h.
23741 * c-typeck.c: Include defaults.h.
23743 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23745 * toplev.h (errorcount): Declare.
23746 (warningcount): Likewise.
23747 (sorrycount): Likewise.
23748 * c-lex.c (errorcount): Don't declare.
23749 * dwarf2out.c (errorcount): Don't declare.
23751 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23753 * config/libgloss.h: Add a note discouraging use with ELF.
23754 * configure.in: Don't use libgloss.h for ELF targets.
23755 Always use_collect2 on a.out targets.
23757 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23759 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23760 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23762 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23764 * loop.c (strength_reduce): When doing biv->giv conversion, update
23765 reg note of NEXT->insn.
23767 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23769 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23771 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23773 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23774 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23775 Ensure expr.h is included.
23776 * c-typecheck.c (convert_arguments): Ditto.
23778 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23780 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23781 * config/convex/convex.h: Ditto.
23782 * config/dsp16xx/dsp16xx.h: Ditto.
23783 * config/fx80/fx80.h: Ditto.
23784 * config/gmicro/gmicro.h: Ditto.
23785 * config/i370/i370.h: Ditto.
23786 * config/i386/i386.h: Ditto.
23787 * config/m32r/m32r.h: Ditto.
23788 * config/m68k/m68k.h: Ditto.
23789 * config/m88k/m88k.h: Ditto.
23790 * config/mips/mips.h: Ditto.
23791 * config/pa/pa.h: Ditto.
23792 * config/pyr/pyr.h: Ditto.
23793 * config/tahoe/tahoe.h: Ditto.
23794 * config/we32k/we32k.h: Ditto.
23796 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23797 based on arch size.
23799 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23801 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23804 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23806 1999-08-02 Richard Henderson <rth@cygnus.com>
23808 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23809 for the register spill block.
23810 (m32r_va_arg): New.
23811 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23812 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23814 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23815 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23816 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23818 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23820 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23821 MAX_WCHAR_TYPE defined in sparc.h.
23822 * config/sparc/linuxaout.h: Likewise.
23823 * config/sparc/linux64.h: Likewise.
23824 Also default to -mvis if CPU is UltraSPARC.
23826 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23828 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23829 (RTX_OK_FOR_OLO10): Likewise.
23830 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23831 %lo(), allow it in addresses...
23832 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23833 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23834 does not make sense.
23835 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23836 (sparc_output_scratch_registers): New function.
23837 (output_function_prologue, sparc_flat_output_function_prologue): Use
23839 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23841 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23842 * configure.in: Add check for .register pseudo-op support in as and
23843 check for offsetable %lo().
23844 * acconfig.h: Add templates for the above checks.
23845 * configure: Regenerate.
23847 1999-08-02 Richard Henderson <rth@cygnus.com>
23849 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23850 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23851 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23853 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23855 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23858 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23860 * config/float-sparc.h: New file.
23861 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23862 sparc-*-linux-gnu and sparc64-*-linux*.
23864 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23866 * rs6000.c (rs6000_va_list): Type is an array.
23867 (rs6000_va_start): Don't doubly adjust for varargs.
23868 (rs6000_va_arg): Evaluate long long GPR adjustment.
23870 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23872 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23873 -maix64 and -maix32.
23874 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23875 LINK_SPEC): Change appropriately.
23876 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23877 (u_short_cint_operand): Likewise.
23878 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23880 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23882 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23884 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23886 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23887 for type promotion.
23888 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23889 (non_add_cint_operand): Likewise.
23890 (logical_operand): Likewise.
23891 (non_logical_cint_operand): Likewise.
23892 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23893 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23894 (rs6000_select_rtx_section): Suppress warning.
23895 (small_data_operand): Suppress warning.
23896 (rs6000_got_register): Suppress warning.
23897 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23898 type, so `J' is generally the wrong constraint for a SImode value;
23900 (andsi3_internal2): Likewise.
23901 (andsi3_internal3): Likewise.
23902 (iorsi3_internal1): Likewise.
23903 (xorsi3_internal1): Likewise.
23905 (movsf_softfloat): Likewise.
23906 (scc insns): Likewise.
23907 (movsi+2): Preserve sign bits of SImode constant.
23908 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23909 (movdf+1): Sign-extend properly.
23910 (movdi_32+1): Sign-extend properly.
23911 (scc insns): Sign-extend properly.
23913 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23916 1999-08-02 Richard Henderson <rth@cygnus.com>
23918 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23919 -mcpu parsing code.
23920 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23921 * alpha.md (all fp insns): Likewise.
23923 1999-08-02 Nick Clifton <nickc@cygnus.com>
23925 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23928 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23930 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23931 pic_load_label generator directly.
23932 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23933 No longer a named pattern.
23935 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23937 * explow.c (force_reg): Call force_operand if X does not
23938 satisfy general_operand.
23940 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23942 * fix-header.c (main): When testing for CONTINUED, use string
23943 equality, not pointer equality.
23945 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23947 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23949 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23951 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23952 that has become an unconditional jump.
23954 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23955 (output_function_epilogue): Similarly.
23957 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23959 * tree.h (init_dummy_function_start): Declare.
23961 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23963 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23964 last_expr_type, last_expr_value, block_start_count, block_stack,
23965 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23966 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23967 dynamically in stmt elt of struct function for each function.
23968 (struct nesting): Rename function_call_count elt to n_function_calls,
23969 target_temp_slot_level to block_target_temp_slot_level. All users
23971 (struct stmt_status): New structure definition.
23972 Add many accessor macros for stmt_status elements which previously
23973 were global variables.
23974 (init_stmt_for_function): Allocate stmt elt for current_function.
23975 Reflect that block_start_count was renamed to
23976 current_block_start_count.
23977 (save_stmt_status, restore_stmt_status): Delete functions.
23978 (preserve_subexpressions_p): Don't access loop_stack when outside
23980 (expand_start_bindings): Reflect that block_start_count was renamed to
23981 current_block_start_count.
23982 (expand_fixup): Likewise.
23983 (expand_decl): Don't access block_stack when outside a function.
23984 (expand_decl_cleanup): Likewise.
23985 (expand_dcc_cleanup): Likewise.
23986 (expand_dhc_cleanup): Likewise.
23987 (expand_anon_union_decl): Likewise.
23988 (set_file_and_line_for_stmt): New function.
23989 (in_control_zone_p): New function.
23991 * function.h (struct function): Add new elt stmt.
23992 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23993 case_stack, nesting_stack, nesting_depth, block_start_count,
23994 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23995 emit_lineno, goto_fixup_chain.
23996 (save_eh_status, restore_eh_status, save_stmt_status,
23997 restore_stmt_status): Delete declarations.
23998 * function.c (push_function_context_to): Don't call save_stmt_status.
23999 (pop_function_context_to): Don't call restore_stmt_status.
24000 * tree.h (in_control_zone_p): Declare.
24001 * rtl.h (set_file_and_line_for_stmt): Declare.
24003 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24004 call set_file_and_line_for_stmt.
24006 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24008 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24009 Also update copyright.
24011 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24013 * c-pragma.c: Don't include "except.h".
24014 * emit-rtl.c: Likewise.
24015 * stor-layout.c: Likewise.
24016 * tree.c: Likewise.
24017 * varasm.c: Likewise.
24019 * flow.c: Include "function.h".
24020 * tree.h (init_dummy_function_start): Declare new function.
24022 * except.h (struct eh_status): New structure.
24023 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24025 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24026 catch_clauses, false_label_stack, caught_return_label_stack,
24027 protect_list, current_function_ehc): Add accessor macros for the
24028 corresponding fields in current_function->eh; delete declarations
24029 for all items that used to be declared here.
24030 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24031 catch_clauses, false_label_stack, caught_return_label_stack,
24032 protect_list, current_function_ehc): Delete variables.
24033 (init_eh_for_function): Allocate current_function->eh.
24034 (save_eh_status, restore_eh_status): Delete functions.
24036 * function.h (struct function): Add fields next_global and eh.
24037 Delete all exception handling related fields.
24038 * function.c (current_function): New variable.
24039 (all_functions): New variable.
24040 (push_function_context_to): Don't allocate a struct function,
24041 use current_function instead. Call init_dummy_function_start when
24042 outside a function. Clear current_function before returning.
24043 (pop_function_context_from): Restore current_function.
24044 Don't free the restored struct function.
24045 (prepare_function_start): New function.
24046 (init_dummy_function_start): New function.
24047 (init_function_start): Break out some code into prepare_function_start
24050 * stmt.c (save_stmt_status): Don't call save_eh_status.
24051 (restore_stmt_status): Don't call restore_eh_status.
24053 * Makefile.in: Update dependencies.
24055 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24057 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24058 of depending on a magic constant value. Update comments.
24059 (hppa_expand_prologue): Similarly.
24061 * pa.md (reload_indi, reload_outdi): Allow any register for the
24062 original reload register.
24064 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24066 * cccp.c (print_help): Change marcos to macros.
24068 1999-07-30 Richard Henderson <rth@cygnus.com>
24070 * c-typeck.c (initializer_constant_valid_p): Move ...
24071 * c-common.c (initializer_constant_valid_p): ... here. Use
24072 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24073 of label addresses.
24074 * c-common.h (initializer_constant_valid_p): Declare.
24075 * c-tree.h (initializer_constant_valid_p): Remove.
24077 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24079 * config/i386/sol2-c1.asm: Align the stack.
24080 * config/i386/sol2-gc1.asm: Likewise.
24082 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24084 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24085 -Asparclite for sparc86x.
24086 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24088 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24090 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24092 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24093 the user if using the non-default arch size in BI_ARCH configuration.
24094 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24096 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24097 Fix patterns so that they actually match.
24098 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24099 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24100 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24102 (mulsidi3): Reflect this in the expand.
24103 (smulsi3_highpart): Only on TARGET_ARCH32.
24104 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24105 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24106 (umulsidi3): Reflect this in the expand.
24107 (umulsi3_highpart): Only on TARGET_ARCH32.
24108 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24109 don't require g0 to be zero.
24110 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24111 ({,u}divsi3): New expands.
24112 ({,u}divsi3_sp64): New patterns.
24113 (after lshrdi3_v8plus): Four new patterns to help combiner
24114 optimizing nested mixed mode shifts.
24116 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24117 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24118 speed things up. Don't use them by default on plain v9 in 64bit
24119 mode, according to what SPAMv9 sais.
24121 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24122 top 32 bits of %[og][0-7] in signal handlers.
24123 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24125 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24127 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24128 (ashlsi3): Corresponding changes.
24130 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24132 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24134 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24136 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24138 * arm.h (Hint): Delete macro.
24139 Substitute HOST_WIDE_INT for Hint in some prototypes.
24140 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24142 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24144 * builtins.c (expand_builtin_setjmp): Use force_operand to
24145 make sure that the buffer address is in a suitable form to be
24146 passed to force_reg.
24148 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24150 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24153 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24155 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24156 proper mode in the condition string.
24157 (icacheflush, dcacheflush): Remove modes from match_operands.
24159 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24160 proper mode before using it.
24162 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24165 * pa.c (store_reg): Do not call add_high_const generator directly.
24166 (load_reg, set_reg_plus_d): Likewise.
24167 * pa.md (add_high_const): No longer a named pattern.
24169 * pa.c (legitimize_address): Consistently use Pmode rather than
24170 SImode. Do not call gen_pic2_highpart directly anymore.
24171 * pa.md (pic2_highpart): No longer a named pattern.
24172 (pic2_lo_sum): Similarly. Reformat to make more readable.
24174 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24179 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24181 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24183 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24185 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24186 and tag the spill mems.
24187 (hppa_va_start): New.
24188 (hppa_va_arg): New.
24189 * pa.h (EXPAND_BUILTIN_VA_START): New.
24190 (EXPAND_BUILTIN_VA_ARG): New.
24192 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24194 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24195 and tag the spill mems.
24196 (mn10300_va_start): New.
24197 (mn10300_va_arg): New.
24198 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24199 (EXPAND_BUILTIN_VA_ARG): New.
24201 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24203 * mn10200.c (mn10200_va_arg): New.
24204 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24206 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24208 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24209 rather than play with TREE_INT_CST_LOW.
24211 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24213 * config/arm/telf.h: Include dbxelf.h.
24214 (CPP_PREDEFINES): Only define if not already defined.
24215 (ASM_IDENTIFY_GCC): Likewise.
24216 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24217 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24218 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24220 (DBX_DEBUGGING_INFO): Don't define.
24221 * config/arm/linux-telf.h: New file.
24222 * config/arm/linux-tgas.h: New file.
24223 * config/arm/t-thumb-linux: New file.
24224 * config/arm/uclinux-elf.h: New file.
24225 * config/arm/uclinux-telf.h: New file.
24226 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24227 thumb-*-uclinux): New targets.
24228 * configure: Regenerate.
24230 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24232 * pa.md (post_store, pre_load): New expanders.
24233 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24234 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24235 need to directly generate RTL for them.
24236 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24239 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24241 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24242 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24243 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24244 (secndary_reload_class): Make TARGET_ELF conditional compile.
24245 (print_operand_address): Similar.
24246 (output_toc): Print all values as hex.
24247 (get_issue_rate): Rearrange and add RS64A and PPC630.
24248 * rs6000.h (processor_type): Add RS64A and PPC630.
24249 (PROCESSOR_POWERPC64): New.
24250 (PROMOTE_MODE): Use word_mode.
24251 (RTX_COSTS): Add RS64A and PPC630.
24252 * rs6000.md (scheduling information): Add lmul and ldiv
24253 representing 64-bit integer multiply and divide. Add rs64a and
24254 PPC630 information.
24255 (ashldi3): Add support for "rldic" instruction.
24256 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24258 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24260 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24261 instead of V8 for sparclite86x in cpu_table.
24263 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24265 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24266 output_file_directive.
24268 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24270 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24271 tree for op1, not the rtl.
24273 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24275 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24276 to m88k_va_start, leaving only the register spill.
24277 (m88k_build_va_list): New.
24278 (m88k_va_start): New.
24279 (m88k_va_arg): New.
24280 * m88k.h (BUILD_VA_LIST_TYPE): New.
24281 (EXPAND_BUILTIN_VA_START): New.
24282 (EXPAND_BUILTIN_VA_ARG): New.
24284 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24286 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24287 Rename from expand_builtin_saveregs.
24288 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24290 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24292 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24293 for the register spill block.
24294 (i960_build_va_list): New.
24295 (i960_va_start): New.
24296 (i960_va_arg): New.
24297 * i960.h (BUILD_VA_LIST_TYPE): New.
24298 (EXPAND_BUILTIN_VA_START): New.
24299 (EXPAND_BUILTIN_VA_ARG): New.
24300 * i960.md (store_multiple): Use change_address on individul mems.
24302 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24304 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24306 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24307 (expand_builtin_va_end): Evaluate arg for side effects.
24308 * c-common.c (c_common_nodes_and_builtins): Construct a
24309 va_list_arg_type_node to handle array decomposition to pointer.
24311 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24313 * except.c (st_dynamic_cleanup): Use force_operand on the
24316 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24318 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24319 * c4x.c (c4x_va_arg): New.
24321 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24323 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24324 has manual_pop set.
24326 1999-07-26 Nathan Sidwell <nathan@acm.org>
24328 * eh-common.h (__eh_matcher): Prototype correctly.
24330 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24332 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24333 (TARGET_SINGLE_PIC_BASE): Likewise.
24334 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24336 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24337 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24338 (TARGET_OPTIONS): Add -mpic-register=N.
24339 (OUTPUT_INT_ADDR_CONST): New macro.
24340 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24341 LEGITIMATE_PIC_OPERAND_P): Likewise.
24342 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24343 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24344 output_addr_const directly.
24345 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24347 (thumb_pic_register, thumb_pic_register_string): Declare.
24349 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24351 (label_mentioned_p): New function: Imported from arm.c.
24352 (legitimize_pic_address): New function: Imported from arm.c.
24353 (is_pic):New function: Imported from arm.c.
24354 (thumb_finalize_pic):New function: Imported from arm.c.
24355 (add_constant): Cope with PIC constants.
24356 (fixit): Cope with PIC constants.
24357 (output_return): Do not treat the PIC register as live if
24358 TARGET_SINGLE_PIC_BASE is true.
24359 (thumb_function_prologue): Do not treat the PIC register as live if
24360 TARGET_SINGLE_PIC_BASE is true.
24361 (thumb_expand_prologue): Do not treat the PIC register as live if
24362 TARGET_SINGLE_PIC_BASE is true.
24363 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24364 TARGET_SINGLE_PIC_BASE is true.
24365 (thumb_print_operand): Accept '|'.
24366 (thumb_override_options): Process PIC options.
24368 * config/arm/thumb.md (movsi): Support PIC.
24369 (call_insn): Change "i" constraint to "X".
24370 (call_value_insn): Likewise.
24371 (consttable_4, consttable_8, consttable_end): Set and clear
24372 "making_const_table" as appropriate.
24373 (pic_load_addr, pic_add_dot_plus_four): New insns.
24375 * invoke.texi (Thumb Options): Fix spelling. Document new
24376 options -msingle-pic-base and -mpic-register=.
24378 1999-07-26 Andrew Haley <aph@cygnus.com>
24380 * config/m32r/initfini.c (__init): Use a full word immediate for
24381 __fini: this allows it to be placed in any memory region.
24383 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24384 -mmodel=medium. This is OK for all memory models.
24386 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24388 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24389 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24391 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24393 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24396 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24398 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24400 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24401 (BUILD_VA_LIST_TYPE): New.
24402 (EXPAND_BUILTIN_VA_START): New.
24403 (EXPAND_BUILTIN_VA_ARG): New.
24404 * i860.c (output_delayed_branch): Disable.
24405 (output_delay_insn): Likewise.
24406 (i860_saveregs): New.
24407 (i860_build_va_list): New.
24408 (i860_va_start): New.
24409 (i860_va_arg): New.
24410 * i860.md: Disable all peepholes using output_delayed_branch.
24411 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24413 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24415 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24416 (BUILD_VA_LIST_TYPE): New.
24417 (EXPAND_BUILTIN_VA_START): New.
24418 (EXPAND_BUILTIN_VA_ARG): New.
24419 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24420 Return the address of the save area.
24421 (clipper_build_va_list): New.
24422 (clipper_va_start): New.
24423 (clipper_va_arg): New.
24425 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24427 * arc.h (EXPAND_BUILTIN_VA_START): New.
24428 (EXPAND_BUILTIN_VA_ARG): New.
24429 * arc.c (arc_setup_incoming_varargs): Set alias set of
24431 (arc_va_start): New.
24434 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24436 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24437 (BUILD_VA_LIST_TYPE): New.
24438 (EXPAND_BUILTIN_VA_START): New.
24439 (EXPAND_BUILTIN_VA_ARG): New.
24440 * alpha.c (alpha_builtin_saveregs): Delete.
24441 (alpha_build_va_list): New.
24442 (alpha_va_start): New.
24443 (alpha_va_arg): New.
24445 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24447 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24449 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24450 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24452 * gcc.texi: More changes related to list conversion.
24453 * invoke.texi: Likewise.
24455 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24457 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24458 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24459 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24460 (stabilize_va_list): New function.
24461 (std_expand_builtin_va_start): New function.
24462 (expand_builtin_va_start): New function.
24463 (get_varargs_alias_set): New function.
24464 (std_expand_builtin_va_arg): New function.
24465 (expand_builtin_va_arg): New function.
24466 (expand_builtin_va_end): New function.
24467 (expand_builtin_va_copy): New function.
24468 (expand_builtin): Call them.
24469 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24470 __builtin_{varargs_start,stdarg_start,end,copy}.
24471 (build_va_arg): New function.
24472 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24473 (build_va_arg): Declare.
24474 * c-decl.c (ptr_type_node, va_list_type_node): New.
24475 * c-parse.gperf (__builtin_va_arg): New.
24476 * c-parse.in (VA_ARG): New token.
24477 (unary_expr): Recognize it.
24478 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24479 * expr.h (std_expand_builtin_va_start): Declare.
24480 (std_expand_builtin_va_arg): Declare.
24481 (expand_builtin_va_arg): Declare.
24482 (get_varargs_alias_set): Declare.
24483 * tree.def (VA_ARG_EXPR): New.
24484 * tree.h (BUILT_IN_VARARGS_START): New.
24485 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24486 (ptr_type_node, va_list_type_node): Declare.
24487 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24488 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24489 * m88k.h, m88k.c: Likewise.
24490 * mn10300.h, mn10300.c: Likewise.
24491 * pa.h, pa.c: Likewise.
24492 * rs6000.h, rs6000.c: Likewise.
24493 * sh.h, sh.c: Likewise.
24494 * sparc.h, sparc.c: Likewise.
24496 * emit-rtl.c (operand_subword): Copy alias set.
24497 (change_address): Likewise.
24499 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24501 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24502 not just the first one.
24504 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24506 * config/arm/arm.h (TARGET_SWITCHES): Add
24507 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24508 (TARGET_OPTIONS): Add -mpic-register=.
24509 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24510 (arm_pic_register_string): Declare.
24511 (NEED_PLT_GOT): Delete, replace with ...
24512 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24513 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24514 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24515 * config/arm/arm.c (arm_override_options): Add new option
24517 (arm_pic_register_string): New variable.
24518 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24519 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24520 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24521 (output_return_instruction): Likewise.
24522 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24523 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24524 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24526 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24527 mention of -msched-prolog. Document new options -msingle-pic-base
24528 and -mpic-register=.
24530 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24532 * haifa-sched.c (reemit_notes): Tidy.
24533 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24536 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24538 * explow.c (trunc_int_for_mode): New function.
24539 (plus_constant_wide): Use it.
24540 * combine.c (simplify_and_const_int): Likewise.
24541 (merge_outer_ops): Likewise.
24542 (simplify_shift_const): Likewise.
24543 * cse.c (simplify_unary_operation): Likewise.
24544 (simplify_binary_operation): Likewise.
24545 * emit-rtl.c (operand_subword): Likewise.
24546 * rtl.h: Declare it.
24548 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24550 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24551 (use NUM_REGS instead of NUM_INTS).
24553 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24555 * builtins.c: New file.
24556 * expr.c (saveregs_value, apply_args_value): Delete definition,
24557 moved into builtins.c.
24558 (string_constant): No longer static.
24559 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24560 apply_args_size, apply_result_size, result_vector,
24561 expand_builtin_apply_args, expand_builtin_apply,
24562 expand_builtin_return): Delete functions, moved into builtins.c.
24563 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24564 * expr.h (saveregs_value, apply_args_value): Declare variables.
24565 (expand_builtin, string_constant): Declare functions.
24566 * Makefile.in: Update to build builtin.o.
24568 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24570 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24571 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24572 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24573 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24575 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24578 1999-07-21 Michael Meissner <meissner@cygnus.com>
24580 * print-rtl.c (print_rtx): Print the names of the virtual
24583 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24585 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24586 introduced in previous delta.
24588 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24590 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24591 to avoid name clash.
24593 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24595 * c-lex.c (yylex) : Correct the test for overflow when lexing
24598 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24600 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24601 (adjust_priority): Always call ADJUST_PRIORITY.
24602 (schedule_insn): Only put insns into the ready at cost 0.
24603 (schedule_block): Remove redundant initial sort. Give clock_var
24604 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24606 * tm.texi (MD_SCHED_REORDER): Update docs.
24608 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24609 * sparc.c (ultra_reorder_called_this_block): Delete.
24610 (ultrasparc_sched_init): Don't set it.
24611 (ultrasparc_sched_reorder): Don't check it.
24613 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24615 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24616 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24617 (function_arg_boundary): Align DFmode.
24618 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24619 to get fp reg and stack overflow correct.
24620 (function_arg): Likewise.
24621 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24622 (setup_incoming_varargs): Restructure for ABI_V4; use
24623 function_arg_advance to skip final named argument.
24624 (expand_builtin_saveregs): Properly unskip the last integer arg
24625 when doing varargs. Adjust overflow location calculation.
24627 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24628 explicitly unsigned.
24629 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24630 (__VA_GP_REGSAVE): Similarly.
24631 (__va_longlong_p): Delete.
24632 (__va_arg_type_violation): New declaration.
24633 (va_arg): Restructure. Flag promotion errors. Align double.
24634 TFmode passed by reference.
24636 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24637 in the HOST_BITS_PER_WIDE_INT > 32 case.
24639 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24641 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24643 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24645 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24646 * toplev.c (documented_lang_options): Add -fpreprocessed.
24647 * cpplib.h (struct cpp_buffer): Add preprocessed.
24648 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24649 (cpp_start_read): Don't expand macros or emit an initial #line
24650 directive if -fpreprocessed.
24652 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24654 * cpplib.h (struct cpp_buffer): Added manual_pop for
24655 better C++ tokenization.
24656 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24657 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24658 * c-common.c (cpp_token): Make non-static.
24660 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24662 * c-common.h: New file.
24663 * c-common.c (permanent_obstack): Delete unused declaration.
24664 (c_global_trees): New array.
24665 (c_common_nodes_and_builtins): New function; split off common code
24666 from init_decl_processing in both c-decl.c and cp/decl.c.
24667 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24668 c_global_trees and accessor macros defined in c-common.h.
24669 Include c-common.h.
24670 * c-decl.c: Delete definitions for tree nodes that were replaced by
24672 (init_decl_processing): Build void_list_node.
24673 Call c_common_nodes_and_builtins; delete code to generate the common
24675 * objc/objc-act.c (build_module_descriptor): Rename variable
24676 void_list_node to avoid clash with c-common.h.
24678 * Makefile.in: Update dependencies.
24679 * objc/Make-lang.in: Likewise.
24681 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24683 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24684 (UNIQUE_SECTION_P): Likewise.
24685 (UNIQUE_SECTION): Likewise.
24687 1999-07-19 Linas Vepstas <linas@linas.org>
24689 * config/i370/README: New file.
24690 * config/i370/linux.h: New file.
24691 * config/i370/mvs.h: New file.
24692 * config/i370/oe.h: New file.
24693 * config/i370/t-linux: New file.
24694 * config/i370/t-mvs: New file.
24695 * config/i370/t-oe: New file.
24696 * config/i370/x-oe: New file.
24697 * config/i370/xm-linux.h: New file.
24698 * config/i370/xm-mvs.h: New file.
24699 * config/i370/xm-oe.h: New file.
24701 * i370.c (label_node_t): Add first_ref_page, label_addr,
24702 label_first_ref, label_last_ref members.
24703 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24704 (MAX_MVS_LABEL_SIZE): Define.
24705 (MAX_LONG_LABEL_SIZE): Define.
24706 (alias_node_t, alias_anchor, alias_number): New.
24707 (mvs_function_table): Reorder for EBCDIC.
24708 (ascebc, ebcasc): Unconditionally define.
24709 (i370_branch_dest, i370_branch_length): New functions.
24710 (i370_short_branch, i370_label_scan): New functions.
24711 (mvs_get_label): Renamed from mvs_add_label. Search for
24712 an existing label before creating a new one.
24713 (mvs_add_label): New function.
24714 (mvs_get_label_page): New function.
24715 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24716 over the entire list.
24717 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24718 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24719 (mvs_add_alias, mvs_need_alias): New functions.
24720 (mvs_get_alias, mvs_check_alias): New functions.
24721 (handle_pragma): New function.
24722 (mvs_function_check): New function.
24723 (unsigned_jump_follows_p): Search harder.
24724 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24725 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24726 * i370.h (TARGET_VERSION): Delete.
24727 (CPP_SPEC, CPP_PREDEFINES): Delete.
24728 (mvs_label_emitted): Delete.
24729 (TARGET_EBCDIC): Delete.
24730 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24731 (HANDLE_PRAGMA): Define.
24732 (HARD_REGNO_NREGS): Handle complex modes.
24733 (HARD_REGNO_MODE_OK): Likewise.
24734 (CLASS_MAX_NREGS): Likewise.
24735 (RET_REG): Likewise.
24736 (EXTRA_CONSTRAINT): Define.
24737 (RETURN_IN_MEMORY): True for DImode.
24738 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24739 (FUNCTION_PROFILER): Delete.
24740 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24741 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24742 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24743 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24744 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24745 (ASM_FILE_START): Add "RMODE ANY".
24746 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24747 (ASM_GLOBALIZE_LABEL): Likewise.
24748 (ASM_OUTPUT_LABELREF): Likewise.
24749 (ASM_OUTPUT_COMMON): Likewise.
24750 (PRINT_OPERAND): Handle 'K', 'W', default.
24751 (PRINT_OPERAND_ADDRESS): New.
24752 (Lots of defines): Add support for TARGET_ELF_ABI.
24753 * i370.md (attr length): New. Define for all patterns.
24754 (*): Lots of tweeks to assembly output and constraints.
24756 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24758 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24759 Disable patterns performing SImode comparisons with SImode values
24760 if TARGET_POWERPC64 and instruction does not sign-extend or does
24761 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24762 differ for signed quantities.
24763 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24764 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24765 (decrement_and_branch_on_count): Add 64-bit variant.
24767 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24769 * final.c (output_asm_insn): When searching for the matching string
24770 for a given dialect, don't run past the end of the list of
24771 alternatives if there are fewer alternatives in the template than
24774 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24776 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24777 Removed paragraph about compression of files and size limitation,
24778 duplicated in the FAQ. Use gcc-patches for posting patches.
24779 * gcc.c (main): Updated URL with bug reporting instructions to
24780 gcc.gnu.org. Removed e-mail address.
24781 * system.h (abort): Likewise.
24783 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24785 * Makefile.in (stmp-multilib-sub): Make the files extracted
24786 from $(LIBGCC1) writable.
24788 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24790 * config/arm/aout.h: Reformat for improved readability.
24792 * config/arm/arm.h: Reformat for improved readability.
24793 Replace uses of fprintf with asm_fprintf where appropriate.
24794 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24795 function declaration assembler actions.
24796 (NUM_INTS): New macro: Convert from bytes to words.
24797 (NUM_REGS): New macro: Compute number of registers required to
24798 hold a quanitity of tyep MODE.
24799 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24801 (NUM_ARG_REGS): New macro: The number of argument registers
24803 (ARG_REGISTER): New macro: Compute the register number of the Nth
24805 (LAST_ARG_REGNUM): New macro: The number of the last argument
24807 (SP_REGNUM): New macro: Register number of the stack pointer.
24808 (FP_REGNUM): New macro: Register number of the frame pointer.
24809 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24810 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24811 CUMULATIVE_ARGS so that it counts registers not bytes.
24813 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24815 Replace uses of fprintf with asm_fprintf where appropriate.
24816 (output_ascii_pseudo_op): Replace with version from thumb.c
24818 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24820 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24821 SUBTARGET_CPP_SPEC.
24822 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24823 (ASM_FILE_START): Emit ASM_APP_OFF.
24825 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24827 * pa.c (compute_frame_size): Round frame according to
24828 STACK_BOUNDARY rather than a hardwired value.
24830 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24832 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24834 * configure: Rebuilt.
24836 * configure.in (hppa*-*-linux*): New configuration.
24837 * configure: Rebuilt.
24838 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24839 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24840 * pa/pa-linux.h: New file.
24841 * pa/t-linux: New file.
24842 * pa/xm-linux.h: New file.
24844 * pa.c (hppa_legitimize_address): Change references from SImode to
24845 either Pmode or word_mode as appropriate.
24846 (emit_move_sequence, store_reg, load_reg): Likewise.
24847 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24848 (output_mul_insn): Likewise.
24849 * pa.h (PROMOTE_MODE): Likewise.
24850 (INITIALZE_TRAMPOLINE): Likewise.
24851 (Pmode): Define to word_mode.
24853 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24854 value of 4. Allocate 8 bytes for each FP register save.
24855 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24857 (hppa_expand_prologue): Likewise.
24858 * pa.h (PROMOTE_MODE): Likewise.
24859 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24860 (FUNCTION_ARG_BOUNDARY): Likewise.
24862 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24864 * pa.c (out_of_line_prologue_epilogue): Delete.
24865 (override_options): Remove -mspace related code.
24866 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24867 (compute_frame_size): Only allocate space for register that
24868 actually need to be saved.
24869 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24870 (TARGET_SWITCHES): Remove -mspace, -mno-space
24871 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24872 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24873 * pa/ee.asm, pa/ee_fp.asm: Delete.
24875 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24877 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24878 directive in column zero.
24880 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24882 * m68k.c (output_function_prologue): Fix computation of save mask
24883 when generating PIC code.
24885 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24887 * tree.c (build_type_attribute_variant): Move current_obstack restore
24888 after build_qualified_type call.
24890 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24892 * configure.in: Use t-iris6, even with GNU LD.
24893 * config/mips/iris6gld.h: Fix typo in linker spec.
24894 * config/mips/t-iris6gld: Remove.
24896 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24898 * rs6000.md (insv, extzv): Remove SImode dependence in named
24899 patterns. Explicitly generate DImode RTL if PowerPC64 and
24901 (insvdi): Reverse start and size in instruction template.
24903 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24905 * invoke.texi: Typo fixes.
24907 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24909 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24910 handle at this time instead of silently generating incorrect code.
24911 (gen_imagpart): Likewise.
24913 * reload.c (find_reloads): Emit a USE for a pseudo register without
24914 a hard register if we could not create an optional reload for the
24917 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24919 * c-typeck.c (output_init_element, process_init_element):
24920 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24921 check for nameless bit fields.
24923 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24925 * regclass.c (scan_one_insn): Notice subregs that change the
24926 size of their operand.
24927 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24929 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24931 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24932 * configure: Rebuilt.
24933 * alpha/t-ieee: New file.
24935 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24937 * rs6000.c (find_addr_reg): Do not select r0 as an address
24940 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24942 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24944 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24946 * rs6000.md (movsf): Do not force easy FP constants into memory.
24948 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24949 immed_double_const to ensure they are properly truncated then
24952 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24954 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24955 always unless NO_DEBUG is used. Compile this code
24957 (replace_symbols_in_block): Compile it unconditionally.
24959 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24961 * configure.in (i?86-*-elf*): New target.
24962 * configure: Rebuilt.
24963 * i386/i386elf.h, i386/t-i386elf: New files.
24965 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24967 * toplev.c (main): Don't complain about saying -gdwarf.
24968 (rest_of_compilation): Remove redundant code.
24970 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24972 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24974 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24976 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24977 "Li960R:", to avoid name clash.
24979 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24981 * loop.c (check_dbra_loop): When reversing a loop, delete all
24982 REG_EQUAL notes referencing the reversed biv except those which are
24983 for a giv based on it.
24985 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24987 * version.c: Drop "gcc-" prefix from version #.
24989 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24991 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24992 the label if we're being verbose.
24994 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24996 * m68k.c (output_function_prologue): Add pic register to mask
24997 if live and flag_pic.
24998 (output_function_epilogue): Likewise.
25000 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25002 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25003 directives in column zero.
25005 * pa/elf.h (ASM_FILE_START): Define.
25006 * pa/som.h (ASM_FILE_START): Include .level directives.
25007 * pa/hpux10.h (ASM_FILE_START): Delete.
25008 * pa/hpux11.h (ASM_FILE_START): Delete.
25010 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25012 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25014 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25015 when reload_out equals reload_in.
25017 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25019 * invoke.texi (Spec Files): New node: Describe the contents of
25022 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25024 * invoke.texi (DEC Alpha Options): Put @end table at
25025 beginning of line, to avoid confusing texi2html.
25027 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25029 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25030 introduced in previous delta.
25032 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25034 * reload1.c (gen_reload): When synthesizing a 3 operand add
25035 sequence, improve test for when to reload OP1 into the reload
25036 register instead of OP0.
25038 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25040 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25042 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25044 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25047 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25049 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25050 (va_dcl): Use __builtin_va_alist_t.
25052 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25054 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25055 on the permanent_obstack.
25056 * dwarfout.c (output_type): Likewise.
25058 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25060 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25061 Merged from c-typeck.c and cp/typeck.c.
25062 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25063 Merged into c-common.
25065 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25067 * c-lex.c (errorcount): Declare it.
25068 (finish_parse): Update errorcount when using CPPLIB.
25070 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25072 * fixinc/inclhack.def(end_else_label): Double the backslash so
25073 sed gets a chance to see it.
25074 * fixinc/inclhack.sh: regen
25075 * fixinc/fixincl.x: regen
25077 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25079 Add framework to support armv5 architecture when it becomes
25082 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25083 (arm_arch5): New variable.
25084 (all_architectures): Add armv5 line.
25085 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25086 -march=armv5 is specified on the command line.
25087 (arm_arch5): Export this variable.
25088 * invoke.texi: Document new string accepted by -march= switch for
25091 * config/arm/arm.h: Replace use of constant 12 as a register
25092 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25093 * config/arm/arm.c: Replace use of constant 12 as a register
25094 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25096 * config/arm/elf.h: Tidy up.
25097 * config/arm/coff.h: Tidy up.
25099 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25101 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25102 * gcc/config/mips/t-iris6gld: New file.
25103 * gcc/config/mips/iris6gld.h: Likewise.
25105 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25107 * c-decl.c (widest_integer_literal_type_node,
25108 widest_unsigned_literal_type) : New.
25109 (init_decl_processing): Handle/use the two new types.
25110 * c-common.c (type_for_size,type_for_mode) : Same.
25111 * c-lex.c (yylex) : Same.
25112 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25114 * c-tree.h (widest_integer_literal_type_node,
25115 widest_unsigned_literal_type) : New.
25117 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25119 * dwarfout.c (field_byte_offset): Correctly compute the object's
25120 byte offset for the first bit of a field which crosses an alignment
25121 boundary on a !BYTES_BIG_ENDIAN target.
25123 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25125 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25128 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25129 Jeff Law <law@cygnus.com>
25131 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25134 * except.c: Include intl.h.
25135 (expand_eh_return): Set current_function_cannot_inline.
25136 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25137 * function.h (struct function): Add eh_return_stub_label.
25138 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25139 * Makefile.in (except.o): Depend on intl.h.
25141 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25143 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25144 same as offsettable in cases 1 and 2.
25146 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25148 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25149 (extlh, extwh): Likewise.
25151 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25153 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25155 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25157 * configure.in: Add arm-pe and thumb-pe targets.
25158 * configure: Regenerate.
25160 * thumb.c (arm_naked_function_p): New function: Determines if
25161 a function is naked (has no gcc generated prologue/epilogue).
25162 (is_called_in_ARM_mode): Return true if the func has the
25163 interfacearm attribute.
25164 (output_return): Do not generate a return for naked functions.
25165 (thumb_function_prologue): Do not generate a prologue for
25167 (thumb_expand_prologue): Do not generate a prologue for naked
25169 (thumb_expand_epilogue): Do not generate an epilogue for naked
25171 (arm_valid_machine_decl_attribute): New function, copied from
25172 arm.c: Permit naked and interfacearm attributes.
25174 * config/arm/pe.c: New file: Support code for arm-pe target.
25175 * config/arm/pe.h: New file: Header file for arm-pe target.
25176 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25177 * config/arm/t-thumb-pe: New file: Makefile fragment for
25180 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25182 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25183 -fPIC or -fpic is specified.
25185 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25187 * expr.c (emit_block_move): Use copy_to_mode_reg for
25188 !TARGET_MEM_FUNCTIONS case too.
25190 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25192 * configure: Rebuilt.
25193 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25194 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25195 definitions made redundant by dbxelf.h inclusion. Delete
25196 lots of definitions related to assembly output that are
25197 specific to the SOM object format.
25198 * pa.c (output_function_prologue): Do not emit the function's
25200 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25201 * pa-pro.h: Deleted.
25202 * som.h: New file with SOM specific definitions.
25203 * elf.h: New file with ELF specific definitions.
25205 * elfos.h (const_section): Output a tab before assembler directives.
25206 (ctors_section, dtors_section): Likewise.
25207 (ASM_OUTPUT_SECTION_NAME): Likewise.
25209 * pa/pa1.h: Delete unused file.
25211 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25213 * configure.in (hppa*-hp-hpux11*): New configuration.
25214 * configure: Rebuilt.
25215 * pa/pa-hpux11.h: New file.
25216 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25219 * mips.md (leasi, leadi): New patterns.
25221 * expr.c (emit_block_move): Properly handle case where one of the
25222 block move arguments has a queued increment or decrement.
25223 (clear_storage): Similarly. Fix formatting goof.
25225 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25227 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25228 semicolon from the BSD VA_LIST replacement expression.
25230 * fixinc/inclhack.sh: regen
25231 * fixinc/fixincl.x: regen
25233 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25234 now use the fixincl program.
25236 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25238 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25239 case. Also make the PIC register call_used.
25241 * m68k.h (FINALIZE_PIC): Delete.
25242 * m68k.c (finalize_pic): Delete.
25244 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25246 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25249 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25251 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25253 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25255 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25257 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25259 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25261 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25263 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25265 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25267 * rs6000.c (output_toc): Always use hex values for floating-point
25268 constants. Store single-precision values in upper-half of TOC
25269 entry in 64-bit mode.
25270 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25271 to final constraints.
25272 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25273 (fctiwz): Improve accuracy of RTL for pattern.
25275 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25277 * expr.c (expand_expr): Allow RTL_EXPR's through the
25278 MAX_INTEGER_COMPUTATION_MODE checks.
25280 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25282 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25283 such that MASK_SUPPORT_ARCH is not negative.
25285 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25287 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25288 ADDR_DIFF_VEC insns that appear inside loops.
25290 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25291 Jeff Law <law@cygnus.com>
25293 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25294 Handle LO_SUM the same as offsettable in cases 1 and 2.
25295 * rs6000.c (find_addr_reg): Revert previous patch.
25297 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25299 * system.h (strstr): New external function declaration.
25300 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25301 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25302 * config.in, configure: Rebuilt.
25304 1999-06-24 Tom Tromey <tromey@cygnus.com>
25306 * gcc.c (main): Read user-specified specs files after computing
25307 additional startfile_prefixes.
25309 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25311 Revert these two patches:
25313 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25314 * loop.c (strength_reduce): When doing biv->giv conversion, update
25315 reg note of NEXT->insn.
25317 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25318 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25320 (recombine_givs): Set ix field after sorting.
25322 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25324 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25325 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25327 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25329 *fixinc/inclhack.def: Add fix development commentary
25330 (read_ret_type): reactivate and add selection clause
25331 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25332 *fixinc/{fixincl.x|inclhack.sh}: regen
25334 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25336 * expr.c (expand_expr): STRIP_NOPS before checking against
25337 MAX_INTEGER_COMPUTATION_MODE
25338 (check_max_integer_computation_mode): Likewise.
25340 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25342 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25344 1999-06-22 Jim Wilson <wilson@cygnus.com>
25346 * expr.c (store_expr): When target is a promoted subreg, return a
25347 promoted subreg as a result.
25349 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25351 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25353 (dwarf2out_define): Mark unused parameters appropriately.
25354 (gen_unspecified_parameters_die): Ditto.
25355 (gen_subprogram_die): Fix signed/unsigned warnings.
25356 (gen_variable_die): Ditto.
25358 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25360 * fixinc/inclhack.def(end_else_label): combined else_label
25361 and endif_label and fixed the sed expression.
25362 *fixinc/{fixincl.x|inclhack.sh}: regen
25364 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25366 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25367 'x' when handling non-offsettable addresses
25369 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25371 * final.c (shorten_branches): Don't try to split an insn that has
25374 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25376 * config/mips/mips.c (symbolic_expression_p): New function.
25377 (mips_select_rtx_section): Put symbolic expressions in the
25378 data section, not the read-only data section.
25380 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25382 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25384 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25386 * collect2.c (main): Log frame table count.
25387 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25388 (scan_prog_file) [COFF]: Handle frame tables.
25390 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25391 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25392 * alpha/elf.h: Undef them again.
25393 * alpha/vms.h: Remove their definitions.
25395 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25397 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25398 remove the clobber of r0 and change the REG_UNUSED note to
25401 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25403 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25404 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25405 fits in HOST_WIDE_INT and one uses union to access a long constant
25408 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25410 * sparc.c (sparc_override_options): Don't allow profiling for
25411 code models other than medlow.
25412 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25413 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25414 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25415 (sparc_block_profiler): Likewise.
25416 (sparc_function_block_profiler_exit): Likewise.
25417 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25418 (FUNCTION_BLOCK_PROFILER): Likewise.
25419 (BLOCK_PROFILER): Likewise.
25420 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25421 (MCOUNT_FUNCTION): New.
25422 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25423 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25424 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25425 (MCOUNT_FUNCTION): New.
25426 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25427 (BLOCK_PROFILER): Delete.
25428 (MCOUNT_FUNCTION): New.
25430 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25432 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25434 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25436 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25439 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25442 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25445 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25448 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25450 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25453 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25455 * i386/djgpp.h (LIB_SPEC): New.
25456 (STARTFILE_SPEC): New.
25458 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25460 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25462 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25465 * system.h (WSTOPSIG): New macro.
25467 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25469 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25471 (insert_pack_attributes): Take into account member natural
25474 * i386/winnt.c (exports_head): New static variable.
25475 (i386_pe_record_exported_symbol): New function.
25476 (i386_pe_asm_file_end): Use.
25477 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25478 symbols to be emitted at end of assembly.
25479 (ASM_DECLARE_OBJECT_NAME): Likewise.
25480 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25482 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25485 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25487 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25490 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25492 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25493 zapping reg_last_uses directly.
25494 (sched_analyze_2, sched_analyze_insn): Likewise.
25495 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25497 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25499 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25500 attributes for cases 1 and 2.
25502 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25504 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25507 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25509 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25511 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25513 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25514 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25515 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25516 must be stacked if it is used for PIC accesses.
25517 * arm.c (use_return_insn): Handle PIC register specially.
25518 (output_return_instruction): Likewise.
25519 (output_func_{prologue,epilogue}): Likewise.
25520 (output_expand_prologue): Likewise.
25522 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25523 (*strsi_predec): Renamed from *strqi_predec.
25524 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25525 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25527 * arm.c (arm_override_options): Remove warning about PIC code
25528 not being supported.
25530 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25532 * rs6000.c (find_addr_reg): New function.
25533 * rs6000.h (find_addr_reg): Declare.
25534 (offsettable_addr_operand): Delete.
25535 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25536 from and stores to GPRs.
25538 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25540 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25541 gen_sequence as argument to emit_no_conflict_block.
25543 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25545 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25546 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25547 *fixinc/fixincl.x: regen
25548 *fixinc/inclhack.sh: regen
25550 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25552 * added support for -mpcrel (PC relative addressing for m68k)
25553 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25554 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25555 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25556 (comments for general_src_operand): Add some explanation
25557 about EXTRA_CONSTRAINTS.
25558 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25559 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25560 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25561 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25562 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25563 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25564 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25565 if not already set.
25566 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25567 * m68k.h (TARGET_PCREL): New target flag.
25568 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25569 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25570 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25571 contains a SYMBOL_REF. Relax this constraint during reload, since
25572 we want to use the predicates, not reload's built-in concept of a
25573 valid memory address, to control what insns need reloading.
25574 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25575 operands (essentially 'g', 'm', and 's' under normal circumstances).
25576 * m68k.c (print_operand): Cause printing of pc-relative addresses
25577 to include pc register.
25578 (print_operand_address): Ditto.
25579 (general_src_operand): Accept operands that are not only
25580 general_operands, but are also valid when used as a pc-relative
25582 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25583 (memory_src_operand): Similar, for memory_operands.
25584 (pcrel_address): New predicate to accept the special case of a
25585 pc-relative address.
25586 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25587 QImode insns to accept *_src_operand instead of *_operand where
25588 pc-relative operands can fit. For example, a pc-relative operand
25589 can be used as a memory source operand for addsi3, but not as a
25590 memory destination.
25591 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25593 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25595 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25596 .thumb_set pseudo op to mark aliases of thumb functions.
25598 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25600 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25601 preference to ASM_OUTPUT_DEF, if it is defined.
25603 * tm.texi: Document new, optional target macro
25604 ASM_OUTPUT_DEF_FROM_DECLS.
25606 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25608 * fixincludes: ISCNTL patch
25609 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25610 (dgux_int_varargs): new for DG/UX
25611 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25613 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25615 * invoke.texi (ia32 options): Fix typo.
25617 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25619 * loop.c (strength_reduce): When doing biv->giv conversion, update
25620 reg note of NEXT->insn.
25622 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25624 * loop.c (move_movables): Note issues with replacing REGs with
25626 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25628 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25630 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25632 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25633 the reference to `mcount' was not correct for the ELF on FreeBSD.
25635 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25637 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25640 (recombine_givs): Set ix field after sorting.
25642 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25644 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25645 to safe to extract a subword out of a REG.
25647 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25649 * sh.md (mulsi3): Don't add a no-op move at the end.
25651 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25653 * cse.c (cse_insn): Don't put hard register source into tables for
25654 the last insn of a libcall.
25656 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25658 * loop.c (strength_reduce): Insert sets of derived givs at every
25659 biv increment, even if it's the only one.
25661 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25663 * dwarfout.c (add_incomplete_type): New fn.
25664 (output_type): Call it.
25665 (retry_incomplete_types): New fn.
25666 (dwarfout_finish): Call it.
25668 From Eric Raskin <ehr@listworks.com>:
25669 (output_type): Output types for bases.
25671 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25673 * mips.c (mips_output_conditional_branch): Add `break'
25674 between `default' label and `close braces'.
25676 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25678 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25679 specifications and make it realistic.
25680 (LIB_SPEC): Likewise.
25682 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25684 * config/mips/mips.c (mips_secondary_reload_class): Check for
25685 (PLUS (SP) (REG)) and return appropriate register class.
25686 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25687 Handle (PLUS (SP) (REG)).
25688 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25689 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25690 of emit_insn for tablejump.
25692 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25694 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25695 asm_fprintf format string by itself.
25696 (output_function_profiler): Likewise.
25698 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25700 * combine.c (simplify_logical, case AND): Only call
25701 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25702 or the constant is positive.
25704 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25706 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25707 * configure: Regenerate.
25709 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25711 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25712 require a sub-version #.
25713 * configure: Rebuilt.
25715 1999-06-14 Robert Lipe (robertlipe@usa.net)
25717 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25719 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25721 * c-typeck.c (process_init_element): Detect excess elements in
25722 char array initializer.
25724 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25726 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25728 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25730 * invoke.texi (Option Summary): Add -fpermissive flag.
25732 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25734 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25735 that require PIC code sequences.
25737 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25739 * configure.in: Add new target: thumb-elf.
25740 * configure: Regenerate.
25741 * config/arm/t-thumb-elf: New file: Makefile fragment for
25743 * config/arm/telf.h: New file: Header file for thumb-elf
25746 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25748 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25749 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25750 initializers is some circumstances.
25752 * fixinc/inclhack.def (endif_label): Add additional selector for
25753 more bogus stuff after #endif statements.
25754 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25756 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25758 * i386/cygwin.h (SET_ASM_OP): Define.
25760 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25762 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25764 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25766 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25769 * sh.md (ic_invalidate_line_i): Remove second alternative.
25771 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25773 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25774 test for the presence of valid prototypes. Delete bypass expr.
25775 (ioctl_fix_ctrl): Correct the selection expression.
25776 (no_double_slash): Correct quoting rules
25777 *fixinc/fixincl.x: regen
25778 *fixinc/inclhack.sh: regen
25780 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25782 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25784 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25786 * rs6000.md (movsi_got_internal_mem): Delete.
25787 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25788 (GOT_TOC_REGNUM): Delete.
25789 (PIC_OFFSET_TABLE_REGNUM): Define.
25790 (FINALIZE_PIC): Disable.
25791 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25792 (rs6000_replace_regno): Delete.
25793 (rs6000_finalize_pic): Likewise.
25794 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25796 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25798 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25799 is a note; use <= for the compare; advance P while it is
25802 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25804 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25805 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25807 * varasm.c (remove_from_pending_weak_list): Verify t->name
25808 is non-NULL before passing it to strcmp.
25810 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25812 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25813 the typed arguments are not part of a comment
25814 (ioctl_fix_ctrl): Added a purpose comment
25815 *fixinc/fixincl.x: regenerate
25816 *fixinc/inclhack.sh: regenerate
25818 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25820 * invoke.texi: Add C4x invocation docs.
25822 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25824 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25826 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25828 (c4x_legitimize_reload_address): New function.
25829 * config/c4x/c4x.md: Update docs.
25831 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25833 * fixincludes: Avoid removing '.'.
25834 * fixinc/fixinc.svr4: Likewise.
25835 * fixinc/fixinc.winnt: Likewise.
25836 * fixinc/inclhack.tpl: Likewise.
25837 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25839 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25841 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25843 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25845 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25847 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25850 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25852 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25853 * configure: Regenerate.
25855 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25857 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25860 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25862 * fixinc/inclhack.def (avoid_bool): Also catch
25863 "typedef [unsigned] int bool".
25864 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25866 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25867 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25868 * configure: Rebuilt.
25870 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25872 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25873 such that we can override its definitions if necessary.
25874 (CPP_SPEC): New define. Support processor specific predefines via
25876 (CC1_SPEC): New define. Support processor specific compiler
25877 options via %(cc1_cpu).
25878 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25881 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25883 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25884 between sed's -e flag, and the open-quote following it.
25885 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25887 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25888 Jeffrey A Law (law@cygnus.com)
25890 * varasm.c (assemble_start_function): Remove the function
25891 from the pending weak decls list when we define a function.
25892 (assemble_variable): Similarly for variables.
25893 (weak_finish): Ignore items on the list with a NULL name.
25894 (remove_from_ending_weak_list); New function to "remove" an item
25895 from the pending weak declarations list.
25897 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25899 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25901 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25903 * c-lex.c (GETC): Redefine to call getch.
25904 (UNGETC): Redefine to call put_back.
25905 (putback_buffer): New structure type.
25906 (putback): New static structure.
25907 (getch): New function.
25908 (put_back): New function.
25909 (yylex): Replace unused bytes from bad multibyte character.
25911 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25913 * cpplib.c (do_define): Cast `alloca' return value.
25914 (do_include, do_undef, do_pragma): Likewise.
25915 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25917 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25918 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25920 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25922 * sparc.md (abstf2): This should be an expand.
25923 (split after abstf2_notv9): Fix mode.
25924 (abstf2_hq_v9): New pattern.
25925 (abstf2_v9): Only use when no hard quad.
25926 (absdf2_v9): Fix if target is not the same as source.
25927 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25928 Add correct output constraints.
25930 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25932 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25933 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25935 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25937 * mips.h (mips_output_conditional_branch): New function.
25938 (mips_adjust_insn_length): Likewise.
25939 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25940 (ADJUST_INSN_LENGTH): Likewise.
25941 * mips.c (print_operand): Add `F' and `W' for floating-point
25942 comparison opcodes.
25943 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25945 (mips_adjust_insn_length): New function.
25946 (mips_output_conditional_branch): New function.
25947 * mips.md (length): Adjust attribute definition to handle
25948 conditional branches. Change lengths to bytes, rather than
25949 instructions throughout. Remove length attribute from
25950 instructions whose length is four bytes, and rely on the default
25952 (dslot): Fix typo in comment.
25953 Reword conditional branch patterns to use
25954 mips_output_conditional_branch.
25956 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25958 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25959 (LIB_SPEC): Likewise.
25960 Link with -lprof1_r for -g/-pg.
25962 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25964 * loop.c (check_dbra_loop): Fix change of Jan 19.
25966 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25968 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25969 (STARTFILE_SPEC): Define, override the svr4.h version.
25970 (ENDFILE_SPEC): Likewise.
25972 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25974 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25975 * fixinc/fixincl.x: Regenerated.
25976 * fixinc/inclhack.sh: Regenerated.
25978 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25980 * sh.c (barrier_align): Don't return early for normal branch/barrier
25981 when optimizing for SH2.
25983 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25985 * i386/udk.h (LINK_SPEC): Correct linker search path for
25988 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25990 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25991 (braf_label_ref_operand): Delete.
25992 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25993 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25994 label_ref, and has no predicate.
25995 The patten has a predicate to guard against invalid substitutions.
25996 (dummy_jump): Delete.
25997 (casesi): Update use of casesi_jump_2.
25999 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26001 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26002 *fixinc/fixincl.x: regenerate
26003 *fixinc/inclhack.sh: regenerate
26005 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26007 * dwarf2out.c (add_incomplete_type): New fn.
26008 (gen_struct_or_union_type_die): Call it.
26009 (retry_incomplete_types): New fn.
26010 (dwarf2out_finish): Call it.
26012 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26014 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26015 current block starts with a CODE_LABEL and ends with a CALL and
26016 we can not find all the argument setup instructions for the CALL.
26018 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26020 Revert this change:
26021 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26022 something is a candidate for optimize_bit_field_compare.
26024 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26026 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26028 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26030 * alpha.c (override_options): Thinko in last patch.
26032 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26033 (LIB_SPEC): Recognize -pthread.
26035 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26037 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26038 definition in config/arm/coff.h
26039 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26041 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26043 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26044 fixes that need "file=xxx\n" prepended before invocation
26045 (start_fixer - new): starting the fixer process is complex enough
26046 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26047 (process): uses the new routine; omit usage of putenv()
26048 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26049 * fixinc/fixincl.x: regenerate
26051 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26053 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26054 and version #s (1.1 -> 2.96) as needed.
26055 * README.g77: Kill way out of date file in the toplevel directory.
26057 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26059 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26060 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26061 * configure: Rebuilt.
26062 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26063 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26064 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26065 (SWITCH_TAKES_ARG): Likewise.
26066 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26067 * config/t-freebsd: Moved from config/i386/ so it can used for all
26070 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26072 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26074 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26076 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26077 * configure: Rebuilt.
26079 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26081 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26082 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26083 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26084 (rs6000_output_load_toc_table): Same.
26085 (output_prolog, output_mi_thunk): Same.
26086 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26087 (ASM_GLOBALIZE_LABEL): Use putc.
26089 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26091 * alpha.md (reload_*_help): New patterns and splitters.
26092 (reload_*): Use them.
26093 (mov[qh]i): Likewise.
26095 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26097 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26100 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26102 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26104 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26106 * flow.c (mark_regs_live_at_end, insn_dead_p,
26107 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26108 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26109 hasn't run or the frame pointer is needed.
26110 * haifa-sched.c (attach_deaths): Likewise.
26111 * sched.c (attach_deaths): Likewise.
26113 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26115 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26116 calculate_can_reach_end returns nonzero.
26118 * configure.in (native gas tests): Search for an assembler in the
26119 same manner that the installed compiler will.
26120 * configure: Rebuilt.
26121 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26123 * alias.c (find_base_term): Improve handling of addresses
26124 constructed from binary operations.
26126 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26128 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26130 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26132 * function.h (cleanup_label, frame_offset): Declare.
26133 (tail_recursion_label, tail_recursion_reentry): Likewise.
26134 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26135 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26136 (tail_recursion_label, tail_recursion_reentry): Likewise.
26137 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26139 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26141 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26143 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26144 (MAX_OFILE_ALIGNMENT): Define.
26146 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26148 * fixincl.c: Replace local include scheme with #includes of
26149 gansidecl.h and system.h.
26150 * procopen.c: Likewise.
26151 * server.c: Likewise.
26153 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26155 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26156 (crti.o): Add build rule and dependencies.
26157 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26159 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26161 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26162 (LIB_LINUX_SPEC): Likewise.
26163 (LIB_LINUX_SPEC): Add support for -pthread
26164 (CPP_OS_LINUX_SPEC): Likewise.
26165 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26168 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26170 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26172 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26173 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26174 for IEEE math and CC_FCOMI.
26175 (put_jump_code): No IEEE if CC_FCOMI is set.
26177 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26179 * fold-const.c (fold_truthop): Make the field reference unsigned
26180 when converting a single bit compare.
26182 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26184 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26186 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26188 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26189 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26192 * reload.c (push_reload): Do not call remove_address_replacements
26193 when presented with identical optional reloads.
26195 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26197 * alpha.h (MASK_FIX, TARGET_FIX): New.
26198 (MASK_*): Reorganize constants.
26199 (CPP_AM_FIX_SPEC): New.
26200 (TARGET_SWITCHES): Add FIX.
26201 (EXTRA_SPECS): Likewise.
26202 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26203 (SECONDARY_MEMORY_NEEDED): Likewise.
26204 (REGISTER_MOVE_COST): Likewise.
26205 * alpha.c (override_options): Add FIX support. Always use
26206 ALPHA_TP_PROG for ev6.
26207 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26208 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26209 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26211 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26213 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26214 something is a candidate for optimize_bit_field_compare.
26216 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26218 * gcc.texi (Passes): Document branch-shortening.
26219 * invoke.texi (Debugging Options): Document the fact that `-dp'
26220 outputs length information for instructions.
26222 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26224 * flow.c: Revert previous delta.
26226 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26228 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26229 FRAME_POINTER_REGNUM.
26230 (mark_set_1): Ditto.
26231 (mark_used_regs): Ditto.
26233 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26235 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26236 (GOT_PCREL): New macro. Define to 1 if not already defined.
26237 * arm/elf.h (GOT_PCREL): Define to 0.
26238 * arm.c (arm_finalize_pic): Take into account the setting of
26241 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26243 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26244 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26246 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26247 store elimination candidates.
26249 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26251 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26254 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26256 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26257 Add use of x-aix41-gld.
26259 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26261 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26262 (ASM_OUTPUT_DESTRUCTOR): Define.
26264 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26266 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26267 last CODE_LABEL in a loop if we have previously passed a jump
26268 to the top of the loop.
26270 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26272 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26273 applying Philip's patch.
26275 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26277 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26280 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26282 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26284 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26286 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26287 Also remove a useless comment.
26289 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26291 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26293 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26295 * collect2.c (main): Only generate import or export file and add
26296 to link arguments if non-empty. Use xmalloc not alloca.
26297 (write_{export,import}_file): Delete.
26298 (write_aix_file): New function.
26299 (locatelib): Use xmalloc not malloc.
26300 (GCC_OK_SYMBOL): Do not check type if aix64.
26302 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26304 Based on patch by Scott Bambrough and Pat Beirne:
26305 * config/arm/arm.c (making_const_table): New variable.
26306 * config/arm/arm.h (making_const_table): Declare.
26307 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26309 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26310 Keep track of when we are building the constant table.
26312 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26314 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26317 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26319 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26322 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26324 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26327 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26329 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26331 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26333 * rs6000.c (output_mi_thunk): Enable full support again.
26335 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26337 * sh.h (BRANCH_COST): Define.
26339 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26341 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26343 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26345 * function.c (assign_stack_local): Align stack slot propertly.
26346 (assign_outer_stack_local): Likewise.
26348 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26350 * expr.h (lang_expand_constant): Declare.
26351 * toplev.c (lang_expand_constant): Define it.
26352 * varasm.c (output_constant): Use it.
26354 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26356 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26357 Change function definitions to K&R style.
26359 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26361 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26363 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26365 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26366 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26367 (several places): omit static initialization
26368 (process): use single fd, since only the read fd is used
26369 * fixinc/gnu-regex.c: define 'const' away, if not supported
26370 * fixinc/procopen.c(several places): omit static initialization
26371 * fixinc/server.c: define 'volitile' away, if not supported
26373 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26375 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26376 asm_fprintf and %L to generate the label name.
26377 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26378 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26380 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26382 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26383 insn for a conditional jump can not be found.
26385 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26387 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26388 on variables in specific sections other than .sbss and .sdata.
26390 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26392 * stmt.c (expand_return): Call start_cleanup_deferral and
26393 end_cleanup_deferral around conditional code.
26395 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26397 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26398 filename lists. Utilizes new "krstr" AutoGen function.
26399 * fixinc/fixincl.x: Rebuilt.
26401 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26403 * i386.c (output_float_compare): Avoid GNU-C extensions.
26405 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26407 * version.c: Bump to distinguish mainline tree from the
26410 See ChangeLog.1 for earlier changes.