1 2000-05-01 Richard Henderson <rth@cygnus.com>
3 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6 2000-05-01 Jakub Jelinek <jakub@redhat.com>
8 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
11 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
13 * cppfiles.c (open_include_file): Open file in blocking mode.
14 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
15 Only exclude block devices and directories.
17 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
18 static. Allocate the hashnode and its string in the same
20 (del_HASHNODE): Don't free h->name.
21 (_cpp_lookup): If there is no entry for this string, create
23 (_cpp_lookup_slot): Delete.
24 * cpphash.h: Update prototypes.
26 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
28 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
29 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
30 node here, just fill in the value field properly. "Delete"
31 entries by setting the value field to T_VOID. Check for
32 hp->type == T_VOID, not hp == NULL.
34 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
35 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
38 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
40 * config/mn10300/mn10300.c (print_operand_address): Do not add
43 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
44 adjusted by less than 256 bytes, use ret regardless of having any
45 callee-saved register to restore.
47 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
49 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
51 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
53 * config/i386/djgpp.h (INT_ASM_OP): Define.
54 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
55 (ASM_WEAKEN_LABEL): Define.
56 (MASK_BNU210): Define.
57 (SUBTARGET_SWITCHES): Define.
58 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
59 (MAKE_DECL_ONE_ONLY): Define.
60 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
62 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
64 * i386/cygwin.h (INT_ASM_OP): Define.
66 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
68 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
69 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
71 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
73 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
74 __tmp_reg__ and __zero_reg__ initialization.
76 2000-04-30 Richard Henderson <rth@cygnus.com>
78 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
80 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
81 referenced bewteen the condition and the jump. Don't delete
82 anything but the jump.
84 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
86 * bb-reorder.c (scope_def): New struct.
87 (scope_forest_info): New struct.
88 (struct reorder_block_def): New member "scope".
89 (REORDER_BLOCK_SCOPE): New macro.
90 (relate_bbs_with_scopes): New function and prototype.
91 (make_new_scope): Likewise.
92 (build_scope_forest): Likewise.
93 (remove_scope_notes): Likewise.
94 (insert_intra_1): Likewise.
95 (insert_intra_bb_scope_notes): Likewise.
96 (insert_inter_bb_scope_notes): Likewise.
97 (rebuild_scope_notes): Likewise.
98 (free_scope_forest_1): Likewise.
99 (free_scope_forest): Likewise.
100 (dump_scope_forest): Likewise.
101 (dump_scope_forest_1): Likewise.
102 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
103 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
105 (reorder_basic_blocks): Added calls to build_scope_scope_forest
106 and remove_scope_notes before reordering is done. Added calls to
107 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
108 after reordering is done.
110 2000-40-30 Bruce Korb <bkorb@gnu.org>
112 * fixinc/inclhack.def: Added definitions needed by OSR5,
113 removed two stale entries (defined away with OLD_CPP).
114 * fixinc/inclhack.sh: regen
115 * fixinc/fixincl.x: regen
117 2000-04-30 Richard Henderson <rth@cygnus.com>
119 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
120 from the last insn in the sequence.
122 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
124 * cpplex.c (cpp_idcmp): New function.
125 * cpplib.h: Prototype it.
126 * scan_decls.c (scan_decls): Use it to inspect token names.
127 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
128 the file being run through the preprocessor.
129 (check_macro_names): Provide length of token to cpp_defined.
131 * Makefile.in: Remove stale warning message.
133 * cppfiles.c (redundant_include_p): Provide length of token to
135 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
136 values are unsigned int.
137 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
138 (_cpp_lookup_slot): Do not calculate the hash, either.
139 * cpphash.h: Update prototypes.
140 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
141 Hashes are unsigned int. Calculate hash here, pass by value
144 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
146 * simplify-rtx.c (check_value_useless): Delete function.
147 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
149 (cselib_invalidate_regno): Likewise.
150 (cselib_invalidate_mem_1): Likewise.
151 (references_value_p): Recognize useless values by the fact that they
153 (discard_useless_values): Likewise.
154 (cselib_record_set): This may turn a useless value
157 2000-04-30 Richard Henderson <rth@cygnus.com>
159 * config/d30v: New port.
161 * configure.in (d30v-*): Set fp format.
162 * configure: Rebuild.
164 2000-04-30 Richard Henderson <rth@cygnus.com>
167 * Makefile.in (OBJS): Add it.
168 (ifcvt.o): New target.
169 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
170 and conditional arithmetic.
171 (find_insert_position): Remove.
172 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
173 * toplev.c (DFI_ce, DFI_ce2): New.
174 (dump_file): Add ce and ce2 dumps.
175 (rest_of_compilation): Run if_convert a couple o times. Set
176 cse_not_expected after cse2. Don't set no_new_pseudos until
177 after sched1 or recompute_reg_usage.
179 2000-04-30 Richard Henderson <rth@cygnus.com>
181 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
182 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
184 2000-04-30 Richard Henderson <rth@cygnus.com>
186 * flow.c (struct reg_cond_life_info): New.
187 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
188 (init_propagate_block_info): Initialize them.
189 (free_propagate_block_info): Destruct them.
190 (mark_set_1): Consider conditional life before killing a register.
191 (mark_regno_cond_dead): New.
192 (free_reg_cond_life_info): New.
193 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
194 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
195 (mark_used_reg): Record conditional life.
197 * haifa-sched.c (schedule_insns): Disable death counting
198 sanity check for HAVE_conditional_execution.
200 2000-04-30 Richard Henderson <rth@cygnus.com>
202 * Makefile.in (TIMEVAR_H): New.
203 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
204 (timevar.h): Remove rule.
206 2000-04-29 Richard Henderson <rth@cygnus.com>
208 * config/alpha/crtend.asm: Use C comments instead of #.
209 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
211 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
213 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
215 * cpphash.h (enum node_type: Take out T_MCONST.
216 (union hashval): Move into struct hashnode.
217 (struct hashnode): Pack tighter. Remove file, line, col
219 * cpphash.c: Constify most of the macro-definition structures.
220 (struct definition): Replace by struct object_defn
221 and struct funct_defn. Put file, line, column information
222 here. All users updated to match.
223 (_cpp_create_definition, _cpp_macroexpand): Remove special
224 case for #define WORD OTHERWORD.
225 * cpplib.c (do_undef): Remove T_MCONST case.
227 * cpphash.h: Move struct reflist, struct definition, and the
228 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
229 union hashval. _cpp_free_definition takes a HASHNODE pointer.
230 * cpphash.c (_cpp_free_definition): Free data pointed to by
231 MCONST, XCONST, MACRO, and FMACRO nodes properly.
232 (_cpp_create_definition, del_HASHNODE): Just call
233 _cpp_free_definition to clear out a hashnode.
234 * cpplib.c (do_pragma_poison): Likewise.
236 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
238 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
239 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
240 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
241 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
242 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
243 REGNO_AM33_P): Redefine in terms of the new macros.
244 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
245 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
246 STRUCT_VALUE): Likewise.
247 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
248 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
250 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
252 * regmove.c (struct record_stack_memrefs_data): New.
253 (record_stack_memrefs): New function.
254 (combine_stack_adjustments_for_block): Use it.
256 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
258 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
259 use special_function_p to detect alloca.
261 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
263 * gcc.texi: Fixes for makeinfo 4.0 --html.
265 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
267 * pcp.h: Delete file.
269 2000-04-28 Kazu Hirata <kazu@hxi.com>
271 * h8300.c (function_epilogue): Clean up flags when the last insn
272 in a function is a barrier.
274 2000-04-28 Chris Demetriou <cgd@sibyte.com>
276 * configure.in (sparc-hal-solaris2*): protect [] glob from
278 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
279 rather than hard-coded constants in target_cpu_default2.
280 * configure: Regenerate.
282 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
284 * tree.c (get_callee_fndecl): Extract the initial value from
287 2000-04-28 Richard Henderson <rth@cygnus.com>
289 * varasm.c (record_constant_1): Record the CODE_LABEL when
290 taking the address of a LABEL_REF.
292 2000-04-28 Richard Henderson <rth@cygnus.com>
293 Jan Hubicka <jh@suse.cz>
295 * calls.c (combine_pending_stack_adjustment_and_call): Return the
296 adjustment; don't do the stack adjust.
297 (expand_call): Call compute_argument_block_size right before
298 allocating the block; update comment; don't do alignment sanity
299 checking for sibling call; use args_size instead of
300 unadjusted_args_size before args_size is adjusted. Use
301 combine_pending_stack_adjustment_and_call to compute stack adjust
302 for must_preallocate case.
304 * expr.c (push_block): Remove shadow `temp' in inner scope.
306 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
308 * toplev.c (rest_of_compilation): Call
309 note_deferral_of_defined_inline_function even if the function
312 2000-04-28 Scott Bambrough <scottb@netwinder.org>
314 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
316 2000-04-28 Richard Henderson <rth@cygnus.com>
318 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
320 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
322 * timevar.c (init_timevar): DeANSIfy function definition.
324 2000-04-27 Alex Samuel <samuel@codesourcery.com>
326 * Makefile.in (timevar.o): Depend on flags.h.
327 * timevar.c (unused_stack_instances): New variable.
328 (timevar_push): Take a timevar_stack_def from
329 unused_stack_instances if available.
330 (timevar_pop): Push the popped timevar_stack_def onto
331 unused_stack_instances.
332 (TIMEVAR_ENABLE): New macro.
333 (timevar_def): Make standalone a 1-bit field. Add field used.
334 (get_time): Rename parameter to now. Return after clearing it if
336 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
337 (timevar_pop): Likewise.
338 (timevar_stop): Likewise.
339 (timevar_push): Likewise. Mark the timing variable as used.
340 (timevar_start): Likewise.
341 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
342 timevars that were never used.
344 2000-04-27 Mark Mitchell <mark@codesourcery.com>
346 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
347 always TREE_READONLY.
349 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
351 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
352 for call instruction with mode QImode.
354 2000-04-27 Alex Samuel <samuel@codesourcery.com>
356 * Makefile.in (OBJS): Add timevar.o.
357 (toplev.o): Depend on timevar.h.
358 (ggc-simple.o): Likewise.
359 (ggc-page.o): Likewise.
360 (timevar.o): New rule.
361 (timevar.h): New rule.
363 * timevar.h: New file.
364 * timevar.c: Likewise.
365 * timevar.def: Likewise.
367 * toplev.h (gc_time, parse_time, varconst_time): Remove.
368 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
370 (TIMEVAR): Remove macro.
371 (gc_time, parse_time, varconst_time, integration_time, jump_time,
372 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
373 flow_time, combine_time, regmove_time, sched_time,
374 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
375 sched2_time, dbr_sched_time, reorder_blocks_time,
376 rename_registers_time, shorten_branch_time, stack_reg_time,
377 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
379 (compile_file): Don't initialize time variables. Call
380 init_timevar and start TV_TOTAL timer. Call timevar_print instead
381 of many calls to print_time.
382 (rest_of_compilation): Add timing for reload_cse_regs.
383 (get_run_time): Removed to timevar.c.
384 (print_time): Likewise.
385 (get_run_time): Implement using TV_TOTAL time variable.
386 (print_time): Get total run time from get_run_time.
387 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
388 computing elapsed time explicitly.
389 * ggc-simple.c (ggc_collect): Likewise.
390 (gc_time): Remove declaration.
392 2000-04-27 Mark Mitchell <mark@codesourcery.com>
394 * calls.c (combine_pending_stack_adjustment_and_call): New function.
395 (expand_call): Use it.
397 2000-04-27 Jan Hubicka <jh@suse.cz>
399 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
402 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
404 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
407 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
409 * function.c (epilogue_done): Pass whole insn to record_insns.
411 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
413 * cse.c (CSE_ADDRESS_COST): Remove.
414 (find_best_addr): Add new parameter "MODE", use address_cost instead
417 (fold_rtx): Update call of find_best_addr.
418 * rtl.h (address_cost): Declare.
419 * loop.c (general_induction_var): Add new parameter "MODE", use
420 address_cost instead of ADDRESS_COST
421 (init_loop): Use address_cost instead of ADDRESS_COST.
422 (check_insn_for_givs): Update call of general_induction_var.
423 (find_mem_givs): Likewise.
424 (consec_sets_giv): Likewise.
425 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
426 * i386.c (ix86_address_cost): New.
427 * i386-protos.h (ix86_address_cost): Declare.
429 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
431 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
434 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
436 * expr.c (store_expr): Use clear_storage instead of direct memset
439 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
441 * config/mn10300/mn10300.c (mn10300_address_cost): Test
442 ASHIFT, AND and LABEL_REF.
444 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
446 * invoke.texi (-foptimize-sibling-calls): Fix.
448 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
450 * loop.c (load_mems) Don't use hard registers for the hoisting.
452 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
453 calculation; rename const_equiv array in the preconditioning code
454 from loop_unroll to loop_unroll_precondition
456 2000-04-27 Richard Henderson <rth@cygnus.com>
458 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
460 (propagate_one_insn): Clear it. Don't update reg_live here.
461 (init_propagate_block_info): Update for pbi member changes.
462 (free_propagate_block_info): Likewise.
463 (mark_set_1): Know that zero_extract, sign_extract, and
464 strict_low_part don't kill their argument. Alter hard subregs.
465 Update new_set for non-CLOBBER sets. Update reg_live.
466 (find_auto_inc): Update reg_live, not new_dead.
467 (mark_used_reg): Update reg_live, not new_live. Examine new_set
468 to determine if the reg in question was set this insn. Only update
469 reg info with PROP_REG_INFO.
471 2000-04-26 Richard Henderson <rth@cygnus.com>
473 * flow.c (allocate_reg_life_data): Set max_regno here ...
474 (life_analysis): ... not here.
476 * flow.c (calculate_global_regs_live): Force stack pointer
479 2000-04-26 Richard Henderson <rth@cygnus.com>
481 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
482 commit change group changes.
483 (invert_exp_1): Similarly.
484 (redirect_exp, invert_exp): Use them.
485 (redirect_jump_1): New.
486 (invert_jump_1): New.
487 (jump_optimize_1): Remove code subsumed by condexec.c.
488 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
490 2000-04-26 Richard Henderson <rth@cygnus.com>
492 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
494 * genconfig.c (main): Set all HAVE_foo to 1.
496 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
498 2000-04-26 Alex Samuel <samuel@codesourcery.com>
500 * invoke.texi: Document -fssa flag.
502 2000-04-26 Richard Henderson <rth@cygnus.com>
504 * flow.c (count_reg_sets_1): Remove.
505 (count_reg_sets, count_reg_references): Remove.
506 (recompute_reg_usage): Implement with update_life_info.
507 Reallocate life data.
509 2000-04-26 Richard Henderson <rth@cygnus.com>
511 * flow.c (update_life_info): Consider blocks null to mean the
513 (calculate_global_regs_live): Likewise.
514 (life_analysis): Do that instead of collecting all_blocks.
516 2000-04-26 Richard Henderson <rth@cygnus.com>
518 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
519 a still-valid conditional jump.
521 2000-04-26 Richard Henderson <rth@cygnus.com>
523 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
525 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
526 * flow.c (calculate_loop_depth): Remove.
527 * output.h (calculate_loop_depth): Don't declare.
528 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
529 inline; run estimate_probability at the same time.
531 2000-04-26 Neil Booth <NeilB@earthling.net>
533 * cpplib.h: "~=" is not a single pp-token.
534 * cpplex.c: Correct commentary.
536 2000-04-26 Richard Henderson <rth@cygnus.com>
538 * flow.c (mark_set_1): New arguments code and flags; update all
539 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
540 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
541 loop_depth when optimizing for size. Do new_dead update after
542 emitting REG_UNUSED notes. Merge mark_set_reg code.
543 (mark_set_reg): Remove.
544 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
545 arrange to not emit REG_UNUSED notes.
547 2000-04-26 Richard Henderson <rth@cygnus.com>
549 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
550 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
552 2000-04-26 Richard Henderson <rth@cygnus.com>
554 * flow.c (propagate_one_insn): Break out from propagate_block.
555 (init_propagate_block_info): Likewise.
556 (free_propagate_block_info): Likewise.
557 (propagate_block): Use them. Export.
558 * basic-block.h: Declare them all.
560 2000-04-26 Richard Henderson <rth@cygnus.com>
562 * basic-block.h (life_analysis): Declare here ...
563 * output.h: ... not here.
564 * flow.c (life_analysis): Remove nregs parameter; replace
565 remove_dead_code with flags. Remove ssa dead code check.
566 Only init alias analysis if we'll use it.
567 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
568 * ssa.c (convert_to_ssa): Likewise.
569 (convert_from_ssa): Likewise.
570 * toplev.c (rest_of_compilation): Likewise.
572 2000-04-26 Richard Henderson <rth@cygnus.com>
574 * flow.c (flow_delete_block): Rename from delete_block. Export.
575 * basic-block.h (flow_delete_block): Declare.
577 2000-04-26 David S. Miller <davem@redhat.com>
579 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
580 taking a PATTERN of it.
582 2000-04-26 <NeilB@earthling.net>
584 * cpplex.c (spell_other, spell_char): Remove.
586 (token_spelling, trigraph_map): Use unsigned chars.
587 (_cpp_lex_line): Tidy up the switch statement.
588 * cpplib.h: Implement spell_char with spell_string.
591 2000-04-26 <RodneyBrown@pmsc.com>
593 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
594 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
596 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
598 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
599 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
600 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
601 dwarf2out_return_save, dwarf2out_return_reg,
602 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
603 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
604 gen_compile_unit_die, dwarf2out_init): Constify a char*.
606 * dwarf2out.h (dwarf2out_init): Likewise.
608 * dwarfout.c (filename_entry, primary_filename, last_filename,
609 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
611 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
612 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
613 dwarf2out_return_reg): Likewise.
615 2000-04-26 Andreas Jaeger <aj@suse.de>
617 * extend.texi (Function Attributes): Fix description of pure
620 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
622 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
623 before calling rest_of_compilation.
625 2000-04-26 Andreas Jaeger <aj@suse.de>
627 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
630 2000-04-25 Richard Henderson <rth@cygnus.com>
632 * cse.c (cse_insn): Emit barrier after unconditional jump.
634 * calls.c (expand_call): Disable tail call generation once
635 rtx_equal_function_value_matters is false.
637 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
640 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
642 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
644 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
646 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
647 is the primary DIE for a member function.
648 (gen_decl_die): Call set_decl_origin_self here.
649 * dwarfout.c (output_decl): And here.
650 * integrate.c (output_inline_function): Not here.
651 Don't clear DECL_INLINE until after calling rest_of_compilation.
652 (set_decl_origin_self): No longer static.
653 * tree.h: Add prototype.
654 * toplev.c (note_deferral_of_defined_inline_function): Only write
655 out abstract instance for actual inlines.
657 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
659 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
660 EXTENDED_REGS only if TARGET_AM33.
661 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
662 SP_REGS to register allocation and reloading unless absolutely
664 (movsi3): Remove special-case of adding non-constants to SP.
666 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
668 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
669 INCLUDES to search and does not provide any of its own. Also it
670 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
671 parameters. Also it does not call AC_DEFINE.
672 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
673 AC_DEFINE and provides for automatic entries for autoheader.
674 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
676 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
677 so we can pass -I flags and include gansidecl.h/system.h in this
680 * acconfig.h: Delete all NEED_DECLARATION_* entries.
682 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
684 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
685 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
686 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
688 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
689 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
690 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
691 for these macros. Clean up spacing and linewraps.
693 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
695 * calls.c (expand_call): Use get_callee_fndecl.
697 * print-tree.c (print_node): Print the chain of an _EXPR.
699 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
700 Jim Wilson <wilson@cygnus.com>
701 Andrew Haley <aph@cygnus.com>
703 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
704 and gp save/restore problems.
705 * config/ia64/crtend.asm: Add IA-64 unwind support.
706 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
707 in fr_pad_size calculation.
708 (save_restore_insns): Move PR save area. Correct uses of
710 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
711 (ia64_expand_epilogue): Add eh_epilogue support.
712 (ia64_function_prologue): Emit .prologue directive.
713 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
714 (ia64_override_options): Set init_machine_status and
716 (rtx_needs_barrier): Handle bsp reads and writes.
717 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
718 New static variables.
719 (process_set, process_for_unwind_directive): New functions.
720 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
721 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
722 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
724 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
725 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
726 (struct machine_function): Define.
727 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
729 2000-04-25 Bruce Korb <bkorb@gnu.org>
731 * fixinc/Makefile.in: make the removal of old programs more
733 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
734 install-bin and install-sh
736 2000-04-25 Nick Clifton <nickc@cygnus.com>
738 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
739 defined, define to return zero.
740 (function_cannot_inline_p): If a function has any target
741 specific attributes, then use the macro
742 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
743 whether it can be inlined. If it cannot, issue a suitable
746 * tm.texi: Add a new node 'Inlining' to document the new macro
747 FUNCTION_ATTRIBUTE_INLINABLE_P.
749 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
751 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
754 2000-04-25 Neil Booth <NeilB@earthling.net>
756 Restore previous patch, plus the following fixes:
758 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
759 flags, not CPP_OPEN_PAREN.
760 * cpplex.c (expand_token_space, init_token_list,
761 cpp_free_token_list): Put the dummy token at list->tokens[-1].
762 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
764 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
766 * config/i386/freebsd.h (INT_ASM_OP): Define.
768 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
770 * loop.c (strength_reduce): Fix typo in the last checkin.
772 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
774 * stor-layout.c (finalize_record_size): Simplify to use existing
776 (compute_record_mode): No longer static.
777 * tree.h (compute_record_mode): New declaration.
779 2000-04-25 Neil Booth <NeilB@earthling.net>
781 * Revert my patch below until cause of build failures
784 2000-04-25 Richard Henderson <rth@cygnus.com>
786 * combine.c (combine_instructions): Add missing argument
789 * toplev.c (rest_of_compilation): Delay sibcall optimization
790 until after emit_eh_context.
792 2000-04-24 Nick Clifton <nickc@redhat.com>
794 * combine.c (combine_instructions): Do not try to combine a
795 sequence of insns when the second insn has been replaced by a
798 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
800 * gcc.c (load_specs): New static function.
801 (read_specs): Use it.
803 * gcc.c (lookup_compiler): Make multiple passes for case
804 insensitive filesystems.
806 2000-04-24 Neil Booth <NeilB@earthling.net>
808 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
809 * cpphash.h (_cpp_check_directive): new.
810 * cpplex.c (handle_newline, cpp_free_token_list,
811 init_trigraph_map, trigraph_ok, trigraph_replace,
812 backslash_start, skip_block_comment, skip_line_comment,
813 skip_whitespace, parse_name, parse_number, parse_string,
814 copy_comment, _cpp_lex_line, spell_char, spell_string,
815 spell_comment, spell_name, spell_other, _cpp_lex_file,
816 _cpp_output_list): new.
817 (expand_name_space): take length argument.
818 (init_token_list): add comment list initialisation.
819 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
820 instead of HSPACE_BEFORE.
822 * cpplib.c (_cpp_check_directive): new
823 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
824 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
825 (HSPACE_BEFORE): delete.
826 (TTYPE_TABLE): rearrange.
827 (struct cpp_toklist): update.
829 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
831 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
832 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
833 argument form of AC_DEFINE.
835 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
836 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
837 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
838 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
839 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
841 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
843 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
846 deduced.h): Use -isystem, not -I, for including system headers.
848 2000-04-24 Nick Clifton <nickc@cygnus.com>
850 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
851 the source register is the frame pointer or arg pointer.
852 (addsi3_small_int): Disallow if source register is the frame
853 pointer or arg pointer.
855 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
858 call to AC_MSG_RESULT.
860 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
862 * invoke.texi: Correct grammatical errors, document
863 -fno-gnu-keywords as identical to -fno-asm for C++.
865 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
867 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
868 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
869 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
870 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
871 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
873 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
874 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
875 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
876 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
879 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
881 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
882 (pop_alignment): Likewise.
883 (handle_pragma_token): Likewise.
885 2000-04-24 Robert Lipe <robertlipe@usa.net>
887 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
889 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
891 * combine.c (try_combine): Update reg_nonzero_bits of
892 newi2pat before newpat.
894 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
896 * loop.c (strength_reduce): Simplify test to INSN_P.
897 (record_giv): Attempt to simplify the add value, use CONSTANT_P
898 expressions instead of CONST_INT.
899 (express_from_1): Likewise.
901 2000-04-24 Mark Mitchell <mark@codesourcery.com>
903 * regs.h (reg_n_max): Don't declare.
904 * flow.c (reg_n_max): Don't define.
905 * regclass.c (renumber): Don't initialize to zero.
906 (regno_allocated): Likewise.
908 (allocate_reg_info): Don't initialize unnecessarily.
910 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
912 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
913 and blockage_p in the newly allocated attribute.
915 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
917 * config/mn10300/mn10300.md (addsi): `inc4' on address
918 registers does not modify cc, but `inc' on an extended
921 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
923 * reload.c (find_equiv_reg): Checks all valueno regs
924 as a reload_reg_p regs.
926 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
928 * cpphash.c (collect_objlike_expansion): Add sanity check.
929 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
930 the buffer is the empty string, return. Mark __DATE__ and
931 __TIME__ as XCONST nodes, not MCONST.
932 (_cpp_macroexpand): Avoid pushing an empty buffer.
933 (funlike_macroexpand): Don't pop token_buffer here.
935 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
937 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
938 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
939 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
940 (REGNO_OK_FOR_BASE_P): Define in terms of them.
941 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
942 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
943 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
945 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
947 * loop.c (simplify_giv_expr): Be more agressive on simplifying
950 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
952 * cpphash.h (struct definition): Move file, line, col members...
953 (struct hashnode): ... here. Also add 'disabled' flag.
954 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
955 T_IDENTITY. Remove T_DISABLED.
958 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
959 (collect_expansion): Split into collect_objlike_expansion and
960 collect_funlike_expansion.
961 (_cpp_macroexpand): Split out scan_arguments, stringify, and
963 (_cpp_compare_defs): Rename compare_defs, make static.
964 (_cpp_make_hashnode): Initialize hp->disabled.
965 (macro_cleanup): Adjust for new token types. Clear
967 (_cpp_create_definition): Move code here to determine what
968 sort of macro it is, and code to check for redefinitions, from
969 do_define. Implement a few simple cases without creating a
971 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
972 Handle the simple cases.
973 (push_macro_expansion): Set buf->has_escapes and hp->disabled
976 * cppinit.c (builtin_array): Change MCONST to XCONST
978 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
979 fix check for disabled and function-like macros.
980 * cpplib.c (do_define): Move most logic to
981 _cpp_create_definition.
982 (do_undef): Handle new special token types.
984 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
986 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
987 of CONSTANT_P for mult_val; always use validate_change to update insn.
989 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
991 * cpphash.c (trad_stringify, add_pat): New functions.
992 (collect_expansion): Restore support for -traditional syntax.
993 Use trad_stringify and add_pat.
994 (_cpp_macroexpand): Restore support for -traditional semantics.
995 * cpplex.c (_cpp_scan_line): Don't change space_before if we
997 (_cpp_lex_token): Provide COMMENT tokens to caller if
998 traditional and parsing_define_directive.
999 (skip_comment): Warn about // comments if -Wtraditional.
1000 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1002 (do_undef): Don't warn about undefining EMPTY nodes.
1004 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1006 * loop.c (strength_reduce): Fix biv removal code.
1008 2000-04-22 Richard Henderson <rth@cygnus.com>
1010 * predict.c (estimate_probability): Examine both sides of
1011 a branch for no exits. Use 90% not 50% for predict taken.
1012 Reorg for one copy of note generation code.
1014 2000-04-22 Richard Henderson <rth@cygnus.com>
1016 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1018 2000-04-22 Richard Henderson <rth@cygnus.com>
1020 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1021 (output_clear): Likewise.
1022 (output_printf): Use va_copy.
1023 (vline_wrapper_message_with_location): Likewise.
1024 (v_message_with_decl): Likewise.
1025 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1026 * system.h (va_copy): Provide default implementation.
1028 2000-04-22 Richard Henderson <rth@cygnus.com>
1030 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1031 the collected condition is not a constant.
1033 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1035 * diagnostic.h: New file.
1037 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1039 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1040 various function prototypes.
1041 (diagnostic.h): #include.
1042 (struct output_buffer): Move into diagnostic.h.
1043 (get_output_prefix): Rename to output_get_prefix. Export.
1044 (init_output_buffer): Export. Break out. Ajust intialization.
1045 (output_space_left, output_append): Export.
1046 (output_newline): Rename to output_add_newline. Export.
1047 (output_clear): Nullify additional output_buffer fields.
1048 (output_puts): Rename to output_add_string. Export.
1049 (dump_output): Rename to output_flush_on. Export.
1050 (build_location_prefix): Constify return-type.
1051 (emit_output_prefix): Rename to output_emit_prefix. Export.
1052 (set_real_maximum_length): New function.
1053 (output_set_maximum_length): Ditto
1054 (output_clear): Ditto.
1055 (output_add_character): Ditto.
1056 (output_add_integer): Ditto.
1057 (output_add_space): Ditto.
1058 (output_format): Ditto.
1059 (output_printf): Adjust buffer initialization.
1060 (vline_wrapper_message_with_location): Ditto.
1061 (v_message_with_decl): Ditto. Adjust call to output_puts
1062 and get_output_prefix.
1063 (default_print_error_function): Adjust buffer intialization.
1065 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1067 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1070 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1072 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1075 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1077 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1078 accurate data about SP moves.
1080 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1082 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1083 aliases to AM33 registers.
1085 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1087 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1088 to all EXTENDED bitmaps.
1090 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1092 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1093 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1094 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1096 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1098 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1099 the operand is not constant.
1101 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1103 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1104 as a call-clobbered regs.
1106 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1108 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1110 * rtl.def: Update comment.
1111 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1112 * integrate.c (expand_inline_function): Likewise.
1113 * profile.c (branch_prob): Likewise.
1114 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1115 * print-rtl.c (print_rtx): Likewise.
1116 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1117 (reemit_notes): Likewise; also use enum insn_note.
1119 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1120 (place_field): Properly compute know and actual alignment.
1122 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1125 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1128 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1130 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1131 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1132 (collect_expansion): Rewrite to scan over a token list.
1133 Remove -traditional support.
1134 (collect_formal_parameters): Rename to collect_params; rewrite
1135 to scan over a token list.
1136 (_cpp_create_definition): Adjust to scan a token list.
1137 (_cpp_macroexpand): Remove -traditional support.
1138 (_cpp_compare_defs): Whitespace is now canonicalized.
1139 (comp_def_part): Delete function.
1141 * cpphash.h: Update prototypes.
1142 * cpplex.c (init_token_list): Don't set lineno if there is no
1144 (pedantic_whitespace): New function.
1145 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1146 consume a newline. Use pedantic_whitespace.
1147 (_cpp_lex_token): Remove support for -traditional macros.
1148 (_cpp_get_define_token): Delete.
1149 (_cpp_get_directive_token): Do the real work here. Use
1150 pedantic_whitespace.
1151 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1153 * cpplib.c (get_macro_name): Delete.
1154 (do_define): Read the entire line into pfile->directbuf, then
1155 feed the token list to _cpp_create_definition.
1156 * cpplib.h (HSPACE_BEFORE): new define.
1157 (struct cpp_reader): Add a toklist member, "directbuf".
1159 * predict.c (estimate_probability): New heuristic: if a jump
1160 branches around a block with no successors, predict it taken.
1161 Disentangle control flow.
1163 2000-04-20 Richard Henderson <rth@cygnus.com>
1165 * loop.c (emit_iv_add_mult): Revert last change.
1167 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1169 * cpplib.h (enum cpp_ttype): Add token types for all
1170 punctuators. Distinguish pp-numbers from valid C numbers.
1171 Give some tokens better names. Initialize from macro.
1172 (struct cpp_name, cpp_token, cpp_toklist): New data
1175 * cpplex.c (bump_column, expand_name_space,
1176 expand_token_space, init_token_list, cpp_output_list,
1177 _cpp_scan_line): New functions.
1178 (output_line_command): Add third argument, new line number.
1179 * cpphash.h: Update prototypes.
1180 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1183 2000-04-20 Richard Henderson <rth@cygnus.com>
1185 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1187 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1189 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1192 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1194 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1195 REG_EQUAL note explaining the calculated value.
1197 * calls.c (expand_call): Avoid unnecesary precalculation
1198 and outgoing parameters space guarding for sibling calls.
1199 (store_one_arg): Likewise.
1201 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1203 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1204 (rest_of_compilation): Write sibling dump file and account
1205 for time as jump time.
1206 * invoke.texi: Update documentation on dump flags.
1208 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1210 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1212 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1214 * cpphash.c (special_symbol): Represent an empty macro with
1215 "\r \r " not just "\r ".
1216 (_cpp_macroexpand): Correct condition for the foo ( ) special
1218 (unsafe_chars): Handle EOF as second argument.
1219 (push_macro_expansion): Simplify test for removing escape at
1220 end. Do not trim both escapes if there is no text in between.
1222 2000-04-19 Jim Blandy <jimb@redhat.com>
1224 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1225 of PTR_SIZE, when appropriate.
1227 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1229 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1230 (USE_ENUM_BITFIELDS): Fix typo.
1232 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1234 * stor-layout.c (place_field): Set rli->offset_align properly.
1236 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1238 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1239 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1240 PARM_BOUNDARY): Remove unnecessary casts.
1242 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1244 * calls.c (precompute_arguments): Remove must_preallocate and
1246 (expand_call): Update call of precompute_arguments.
1248 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1249 check_insn_for_givs): Break out from ...
1250 (strength_reduce) ... here; use for_every_insn_in_loop to call
1251 check_insn_for_givs.
1252 * loop.h (for_every_insn_in_loop): Declare.
1253 (loop_insn_callback): New type.
1255 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1257 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1260 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1262 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1265 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1267 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1269 * configure.in: Delete --disable-cpplib option and all
1270 references to cpp_main.
1271 * configure: Regenerate.
1272 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1273 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1274 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1275 cpp$(exeext). Add --no-headers to makeinfo command line when
1276 generating INSTALL. Install and uninstall cpp.1 manpage, not
1278 * install.texi: Delete all references to cexp.y/cexp.c.
1279 Delete ancient instructions for compiling GCC on 3b1.
1280 * INSTALL: Regenerate.
1282 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1283 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1284 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1286 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1287 which is no longer tested anywhere.
1289 * cppinit.c (handle_option): Don't run error message through
1292 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1294 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1295 * cpperror.c (hashtab.h): Now include.
1296 * cppexp.c (hashtab.h): Likewise.
1297 * cpplex.c (hashtab.h): Likewise.
1298 * cppfiles.c (hashtab.h): Likewise.
1299 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1300 to htab_find_slot_with_hash.
1301 * cpphash.c (hashtab.h): Now include.
1302 (_cpp_lookup_slot): INSERT is now enum insert_option.
1303 * cpphash.h (_cpp_lookup_slot): Likewise.
1304 * cppinit.c (hashtab.h): Include earlier.
1305 (initialize_builtins): Pass enum to htab_find_slot.
1306 * cpplib.c (hashtab.h): Now include.
1307 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1308 (do_pragma_poison, do_assert): Likewise.
1309 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1310 htab_find_slot_with_hash.
1311 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1312 * tree.c (type_hash_add): Likewise.
1313 (build1): Minor cleanup.
1315 * ggc-common.c: Add missing blanks.
1316 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1317 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1319 * stmt.c (mark_case_node): New function.
1320 (mark_case_nesting): Call it.
1322 * expmed.c (emit_store_flag): If comparing two-word integer
1323 with zero, can optimize NE, EQ, GE, and LT.
1325 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1326 * conflict.c: Minor cleanups.
1327 * optabs.c: Add blank line
1328 * simplify-rtx.c: Minor cleanups.
1330 2000-04-18 Stan Cox <scox@cygnus.com>
1332 * gengenrtl.c (genlegend): Fix misspelling.
1334 2000-04-18 Robert Lipe <robertlipe@usa.net>
1336 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1337 bitfields of the host compiler are not signed quantities.
1338 * config.in: Regenerate.
1339 * configure: Regenerate.
1340 * system.h (USE_ENUM_BITFIELDS): Added.
1341 (ENUM_BITFIELDS): Added.
1342 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1343 (SHORT_ENUM_BUG): Deleted.
1344 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1346 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1347 (CODE_FIELD_BUG): Likewise.
1348 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1350 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1352 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1354 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1357 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1359 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1360 * cpplib.c (do_include, do_import, do_include_next,
1361 read_line_number, detect_if_not_defined): Likewise.
1362 * cpphash.c (collect_expansion): Likewise.
1363 (special_symbol, _cpp_macroexpand): Check return from
1365 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1366 macros. Delete all uses.
1368 * gcc.dg/cpp-mi.c: Add two more test cases.
1369 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1371 2000-04-17 Richard Henderson <rth@cygnus.com>
1373 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1374 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1376 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1378 * function.c (expand_function_start): Use hard_function_value to
1379 compute the RTL to use for DECL_RESULT.
1381 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1383 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1384 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1385 x86_memory_mismatch_stall): New global variables.
1386 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1387 alloved; fix load penalties for Athlon.
1388 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1389 x86_memory_mismatch_stall): Declare.
1390 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1391 TARGET_MEMORY_MISMATCH_STALL): New.
1392 * i386.md (athlon scheduling parameters): Fix latencies according to
1393 Athlon Optimization Manual.
1394 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1396 (fsqrt instruction patterns): Set athlon_decode to direct.
1397 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1398 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1399 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1400 and TARGET_PARTIAL_REGISTER_STALL machines.
1401 (pushdf_nointeger): New pattern.
1402 (pushdf_integer): Rename from pushdf.
1403 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1404 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1406 2000-04-17 Richard Henderson <rth@cygnus.com>
1408 * loop.c (canonicalize_condition): Add WANT_REG argument.
1409 Stop the search if we match it.
1410 * expr.h (canonicalize_condition): Update decl.
1411 * predict.c (expected_value_to_br_prob): Use it. Track last
1412 expected value note.
1413 (find_expected_value): Remove.
1415 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1417 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1419 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1420 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1422 * configure.in: Call AC_FUNC_MMAP_FILE.
1423 * configure: Regenerate.
1424 * config.in: Regenerate.
1426 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1427 * fixinc/fixincl.c: Likewise.
1429 2000-04-17 Richard Henderson <rth@cygnus.com>
1431 * builtins.c (expand_builtin_expect): New.
1432 (expand_builtin): Call it.
1433 * builtins.def (BUILT_IN_EXPECT): New.
1434 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1435 * extend.texi: Document it.
1437 * predict.c (expected_value_to_br_prob): New.
1438 (find_expected_value): New.
1439 * basic-block.h (expected_value_to_br_prob): Declare.
1440 * toplev.c (rest_of_compilation): Invoke it.
1442 * rtl.h (NOTE_EXPECTED_VALUE): New.
1443 (NOTE_INSN_EXPECTED_VALUE): New.
1444 * rtl.c (note_insn_name): Update.
1445 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1446 cases; handle NOTE_INSN_EXPECTED_VALUE.
1448 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1450 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1451 leaf sibcall delay slot if flag_pic.
1452 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1454 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1456 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1458 * fixproto: If fix-header fails, exit with an error.
1460 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1462 * cse.c (struct check_depdendence_data): New.
1463 (check_dependence): New function.
1464 (invalidate): Use check_depdenence.
1466 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1468 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1469 UNITS_PER_WORD is unsigned.
1471 * tree.h (struct tree_common): Remove misleading comment.
1473 2000-04-16 Dave Pitts <dpitts@cozx.com>
1475 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1476 message in quotes. Otherwise, IBM's make program treats the '#' as the
1477 start of a comment and ignores the remainder of the line.
1479 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1481 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1482 * cexp.y (initialize_random_junk): Likewise.
1483 * cppfiles.c (find_include_file): Cast alloca return value.
1484 * cppinit.c (initialize_standard_includes): Likewise.
1485 * cpplib.c (cpp_define, cpp_undef): Likewise.
1486 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1487 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1488 * fold-const.c (CHARMASK): New.
1489 (real_hex_to_f): Use it.
1490 * real.c (CHARMASK): New.
1491 (etoasc, asctoeg): Use it.
1492 (asctoeg): EBCDIC lower case characters preceed upper case.
1494 * i370.c (mvs_add_label): Change spacing for coding conventions.
1495 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1496 outputing case vectors.
1497 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1498 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1499 since vector in in the data CSECT.
1500 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1501 * i370.md (Many patterns): Put the length in the XL directives.
1502 (movdi): Put back STM and MVC in definition.
1503 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1504 pattern using the TCA.
1505 * oe.h (CPP_SPEC): Added to allow trigraphs.
1506 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1507 not support the "long long" type.
1509 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1511 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1513 (mips_reg_mode_ok_for_base_p): Likewise.
1514 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1515 (REG_OK_FOR_INDEX_P): Define unconditionally.
1516 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1517 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1518 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1519 that GET_MODE_SIZE is unsigned.
1520 (mips_reg_mode_ok_for_base_p): Define.
1521 (mips_legitimate_address_p): Likewise. Adjust now
1522 that GET_MODE_SIZE is unsigned.
1523 (block_move_loop): Make the number of bytes unsigned.
1524 (expand_block_move): Likewise.
1525 (function_arg): Make the loop counter unsigned to match the
1528 2000-04-16 Richard Henderson <rth@cygnus.com>
1530 * rtl.h (enum insn_note): New enumeration. Subsume
1531 NOTE_INSN_DELETED and friends.
1532 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1533 * rtl.c (note_insn_name): Tweak string order.
1535 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1537 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1540 * cpplex.c (output_line_command): Remove debugging prints.
1541 (cpp_output_tokens): Don't write out a zero-length buffer or
1542 try to see if it has a newline in it.
1543 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1544 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1545 the end of the loop. Use memmove. Don't read past the end of
1546 the buffer. Remove trailing newlines from error messages.
1548 2004-04-16 Neil Booth <NeilB@earthling.net>
1550 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1551 * cpplib.c: Add new syntax flags to directive table, and
1554 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1556 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1559 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1561 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1562 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1564 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1566 * Makefile.in (ggc-page.o): Now includes toplev.h.
1567 * ggc-page.c (toplev.h): Now included.
1568 (gc_time): Remove declaration.
1569 (ggc_collect): TIME now long.
1570 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1572 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1574 * toplev.c: Make *_time variable long to reduce chance of overflow.
1575 (TIMEVAR): Likewise for `otime'.
1576 (print_time): Arg is now long; compute percentage in FP and round.
1577 * toplev.h (print_time): Arg is long.
1579 * tree.c: Minor whitespace changes.
1581 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1582 * configure: Rebuilt.
1583 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1584 (__fixunsxfDI): Renamed from __fixunsxfdi.
1585 (__fixunsdfDI): Renamed from __fixunsdfdi.
1586 (__fixunssfDI): Renamed from __fixunssfdi.
1587 (__floatdisf): Use proper type in REP_BIT macro.
1588 (__fixunsxfSI): Renamed from __fixunsxfsi.
1589 (__fixunsdfSI): Renamed from __fixunsdfsi.
1590 (__fixunssfSI): Renamed from __fixunssfsi.
1591 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1592 Change location of macros and upper-case some names as above.
1593 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1594 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1596 * varasm.c (assemble_variable): Add cast to remove warning.
1597 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1599 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1600 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1601 region number to -1.
1603 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1605 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1606 call unshare_all_rtl.
1608 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1610 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1612 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1613 Use .s1 not .s0 for all FP instructions.
1615 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1617 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1619 (safe_fwrite, output_line_command): New static functions.
1620 (cpp_expand_to_buffer): Now private to cpplib.
1621 (cpp_scan_buffer): Take a printer.
1623 * cpphash.h: Update prototypes.
1624 * cpplib.h: Update prototypes.
1626 (cpp_buffer): Remove last_nominal_fname.
1627 (cpp_reader): Remove lineno.
1629 * cppmain.c: Use a cpp_printer.
1630 * fix-header.c: No need to inhibit line commands. Call
1631 cpp_start_read with no printer.
1633 * cpperror.c (cpp_notice_from_errno): Provide default name.
1634 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1635 (find_include_file, cpp_read_file): Use make_IHASH.
1636 (file_cleanup): Set control_macro and clear
1637 input_stack_listing_current here.
1638 (_cpp_execute_include): Don't output entering-file marker.
1639 * cpphash.c (special_symbol): Look for the line number in the
1640 buffer, not the reader.
1641 (_cpp_macroexpand): No need to disable line commands.
1642 (_cpp_dump_definition): No need to generate line commands.
1643 (dump_hash_helper): Remove excess newline from output.
1644 * cppinit.c (dump_special_to_buffer): No need to generate line
1646 (cpp_printer_init): New.
1647 (cpp_start_read): Take a printer, and start it up if it's not
1648 NULL. No need to generate line commands.
1649 (cpp_finish): Expect no buffers stacked at all. Take a
1650 printer argument, and flush the output buffer if it's not
1652 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1653 Don't put two hashes at the beginning of an assertion.
1654 (cpp_get_token): Don't increment pfile->lineno or emit line
1655 commands here. Return EOF if there's no buffer when we get
1657 * cpplib.c (do_define, skip_if_group):
1658 No need to disable line commands.
1659 (_cpp_output_line_command): Delete function.
1660 (do_line): Don't emit line commands here, but set things up so
1661 they will be emitted if necessary. Use _cpp_fake_ihash to
1662 make unique nominal_fnames if necessary.
1663 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1664 with 0 for column, not -1.
1665 (_cpp_handle_eof): Don't set the control macro here. Don't
1666 clear input_stack_listing_current here. Don't emit line
1669 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1671 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1672 always, use the default SVR4 start address.
1674 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1675 (LINK_SHLIB_SPEC): Define.
1676 (LINK_START_DEFAULT_SPEC): Define.
1677 (LINK_OS_DEFAULT_SPEC): Define.
1679 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1681 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1682 __do_global_ctors to handle constructors.
1683 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1684 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1685 (STARTFILE_MVME_SPEC): Likewise.
1686 (STARTFILE_SIM_SPEC): Likewise.
1687 (ENDFILE_ADS_SPEC): Use crtend.
1688 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1689 (ENDFILE_MVME_SPEC): Likewise.
1690 (ENDFILE_SIM_SPEC): Likewise.
1691 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1692 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1693 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1694 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1695 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1696 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1697 (CRTSTUFF_T_CFLAGS_S): Define.
1698 * config/rs6000/eabi-ctors.c: Delete.
1700 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1703 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1707 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1709 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1710 plus mask size is smaller or equal to the mode size.
1712 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1714 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1717 * expr.c (reload.h): Now included.
1718 (emit_block_move): Set volatile_ok when checking for movstr.
1719 (emit_move_1): Check for replacements in addresses in multi-word case.
1720 * Makefile.in (expr.o): Now includes reload.h.
1722 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1723 Never have a LIBCALL end a basic block.
1724 (find_basic_blocks_1): Likewise.
1725 Reorganize CALL_INSN cases.
1727 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1729 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1731 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1732 completers from mov.ret instruction.
1734 2000-04-14 Richard Henderson <rth@cygnus.com>
1736 * fold-const.c (extract_muldiv): Don't distribute and widen
1737 multiply across plus for non-sizetype unsigned types.
1739 2000-04-14 Richard Henderson <rth@cygnus.com>
1741 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1742 If the original source is dead in the incr insn, it's dead now.
1744 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1746 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1747 see if DECL_BIT_FIELD needs to still be set.
1749 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1751 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1752 print_int_cst_octal with something that's not an INTEGER_CST.
1754 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1755 and not a SUBREG to a FLOAT rtl.
1757 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1759 * emit-rtl.c (try_split): Avoid infinite loop if the split
1760 results in a sequence that contains the original insn.
1762 2000-04-13 Andreas Jaeger <aj@suse.de>
1764 * config/mips/mips.c (expand_block_move): Pass alignment
1765 argument to move_by_pieces in bits, not bytes.
1767 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1768 __pic__ for little endian.
1770 2000-04-13 Andreas Jaeger <aj@suse.de>
1772 * config/i386/i386-protos.h: Add prototype for
1773 uno_comparison_operator.
1775 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1777 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1778 * calls.c (ECF_PURE): New flag.
1779 (emit_call_1): Handle ECF_PURE calls.
1780 (initialize_argument_information): Unset ECF_PURE flag too.
1781 (precompute_arguments): Precompute for ECF_PURE too.
1782 (expand_call): Handle ECF_PURE calls too.
1783 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1784 accept value of 2 as pure function.
1785 (emit_library_call_value, emit_library_call): Rename no_queue argument
1787 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1789 * tree.h (DECL_IS_PURE): New macro.
1790 (struct tree_decl): Add pure_flag.
1791 * c-common.c (enum attrs): Add attribute "pure".
1792 (init_attributes): Initialize attribute "pure"
1793 (decl_attributes): Handle attribute "pure".
1794 * extend.texi (Attribute "pure"): Document.
1795 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1797 (flags_from_decl_or_type): Support attribute "pure".
1799 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1801 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1802 the token except for numbers and identifiers.
1804 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1806 * i386.c (ix86_expand_binary_operator,
1807 ix86_expand_unary_operator): Check no_new_pseudos
1808 instead of reload_in_progress and reload_completed.
1809 (ix86_split_ashldi, ix86_split_ashrdi,
1810 ix86_split_lshrdi): Check no_new_pseudos instead
1811 of reload_completed.
1813 2000-04-12 Jeffrey A Law (law@cygnus.com)
1815 * function.c (purge_addressof): Unshare any shared rtl created by
1816 purge_addressof and its children.
1818 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1820 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1823 2000-04-05 Andreas Jaeger <aj@suse.de>
1825 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1826 not compiling PIC code, add flags for mabi=64.
1827 (SUBTARGET_CPP_SIZE_SPEC): New.
1828 (SUBTARGET_CPP_SPEC): New.
1829 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1830 for MIPS/Linux and lots of code needs these defines.
1832 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1834 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1835 trying the "opposite arithmetic" approach.
1837 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1839 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1840 (struct sh_args): Add new field force_mem.
1841 (INIT_CUMULATIVE_ARGS): Initialize it.
1842 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1844 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1846 * calls.c (expand_call): Do not reverse args in "equal from" field.
1847 (emit_library_call_value_1): Emit_libcall_block for const and pure
1850 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1852 * reload1.c (reload_combine): Don't enable optimization for fixed
1853 registers when encountering a BARRIER.
1855 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1857 * builtins.c (expand_builtin_memcmp): Do expansion even with
1858 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1860 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1861 stack is propertly aligned; add sanity checking for aligned
1863 (expand_library_call_value_1): Add sanity checking for aligned
1866 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1868 * calls.c (emit_library_call_value_1): Change 3rd arg to
1869 locate_and_pad_parm to disregard the setting of partial.
1871 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1873 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1875 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1876 CALL_INSN from the normal case.
1878 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1880 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1881 New global variables.
1882 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1884 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1886 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1887 TARGET_ADD_ESP_8): New macros.
1888 * i386.md: Add peep2s to convert esp adjustments to push and pop
1890 (pushsi_prologue, popsi_epilogue): New patterns.
1892 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1894 * real.c (toe64): Remove stale #endif from the last change.
1896 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1898 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1899 * real.c (toe64): Revert previous change.
1901 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1903 * objc/objc-act.c: Include ggc.h.
1904 (objc_tree_index, objc_global_trees): Convert most of the
1905 static tree variables into a static array with previous names
1907 (objc_ellipsis_node): New variable.
1908 (lang_init): Call objc_act_parse_init and c_parse_init.
1909 Create objc_ellipsis_node.
1910 (build_selector_translation_table): Use objc_ellipsis_node instead
1912 (hack_method_prototype): Likewise.
1913 (get_arg_type_list): Likewise.
1914 (start_method_def): Likewise.
1915 (continue_method_def): Likewise.
1916 (gen_method_decl): Likewise.
1917 (ggc_mark_imp_list): New function.
1918 (ggc_mark_hash_table): New function.
1919 (objc_act_parse_init): New function.
1920 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1921 * c-parse.in (c_parse_init): For objc add roots of objc specific
1922 local tree variables.
1923 * objc/objc-parse.y: Rebuilt.
1924 * objc/objc-parse.c: Rebuilt.
1925 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1927 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1929 * cse.c (delete_trivially_dead_insns): Also delete insns
1930 that copy a register to itself where the destination is
1933 2000-04-11 Richard Henderson <rth@cygnus.com>
1935 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1936 (propagate_block): Initialize them. Use them in parallel instead
1937 of one tmp variable, ie revert much of the 0408 and 0407 functional
1938 changes, but keep the structural changes.
1939 (mark_set_regs): Take new_dead from propagate_block_info instead.
1940 (mark_set_1, mark_set_reg): Likewise.
1941 (mark_used_regs): Likewise with new_live.
1942 (mark_used_reg): Likewise. Revert 0408 change.
1944 2000-04-11 Nick Clifton <nickc@cygnus.com>
1946 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1948 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1950 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1952 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1953 const section to output a CONSTRUCTOR based on the same conditions
1956 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1958 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1959 * pa/pa-protos.h (output_call): Add additional argument indicating
1960 if the call is a sibling/tail call.
1961 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1962 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1963 (function_arg, function_arg_partial_nregs): Likewise
1964 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1965 (emit_move_sequence): Zero extend certain constants as needed
1967 (compute_zdepdi_operands, output_64bit_and): New functions.
1968 (output_64bit_ior, function_arg): Likewise.
1969 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1970 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1971 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1972 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1973 (output_bvb): Likewise.
1974 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1975 (output_call): New argument 'sibcall'. Generate sibcall sequences
1977 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1978 (ouput_arg_descriptor): Do not emit argument descriptors for
1980 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1982 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1983 (FUNCTION_OK_FOR_SIBALL): Define.
1984 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1985 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1986 (CPP_SPEC): Use new spec infrastructure.
1987 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1988 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1989 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1990 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1991 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1992 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1993 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1994 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1995 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1996 (FUNCTION_ARG); Call out to C code.
1997 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1998 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1999 (MIN_UNITS_PER_WORD): Likewise.
2000 * pa/pa.md (cmpdi): New expander.
2001 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2002 (64bit conditional arithmetic): New patterns.
2003 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2004 (movsicc): Not available if modes on all the operands to not match.
2005 (movdicc): New expander and associated patterns.
2006 (64bit branches): New patterns.
2007 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2008 (pre_ldd, post_std): New patterns.
2009 (64bit addil, load low part): New patterns.
2010 (special movsf constant): Not available for TARGET_64BIT.
2011 (movsf, movdf expanders): Force constants into memory.
2012 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2013 (64bit movdf/movdi patterns): New patterns.
2014 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2016 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2017 (adddi3 expander): Allow "arith_operand" for second input.
2018 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2019 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2020 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2021 (muldi3): New expander for TARGET_64BIT.
2022 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2024 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2025 patterns for TARGET_64BIT.
2026 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2027 patterns for TARGET_64BIT.
2028 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2029 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2030 (sibcall_epilogue): New expander.
2031 (casesi): Tweak for TARGET_64BIT.
2032 (call expanders): Set & use the outgoing argument pointer. Use the
2033 64bit call patterns as needed. Add additional arg to output_call.
2034 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2035 (sibcall, sibcall_internal_symref): New expanders.
2036 (sibcall_value, sibcall_value_internal_symref
2037 (interspace_jump): Turn into an expander + matching patterns.
2038 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2039 * pa/pa64-regs.h: Eliminate trigraph sequences.
2040 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2042 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2044 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2045 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2046 cpp_token with cpp_ttype everywhere.
2047 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2048 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2049 CPP_BUF_COL. Line and column numbers are unsigned int, not
2051 * cpplex.c (cpp_buf_line_and_col): Delete.
2052 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2053 'long lineno' to 'unsigned int lineno'.
2054 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2056 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2058 * extend.texi: ISO C99 is not a draft anymore.
2059 * invoke.texi: ISO C++ is not a draft anymore.
2060 * cpp.texi: __cplusplus is required by the ISO standard.
2062 * extend.texi (-fthis-is-variable): Undocument.
2063 * flags.h (warn_template_debugging): Remove declaration.
2064 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2065 -Wenum-clash, -Wtemplate-debugging): Undocument.
2067 2000-04-10 Nick Clifton <nickc@cygnus.com>
2069 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2071 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2073 (ARM_SIGN_EXTEND): Use HOST_UINT.
2074 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2075 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2076 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2077 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2079 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2080 (arm_gen_constant): Use HOST_UINT.
2081 (arm_canonicalize_constant): Use HOST_UINT.
2082 (arm_reload_in_hi): Use HOST_UINT.
2083 (arm_reload_out_hi): Use HOST_UINT.
2084 (output_multi_immediate): Use HOST_UINT.
2085 (int_log2): Use HOST_UINT.
2086 (arm_poke_function_name): Use HOST_UINT.
2087 (arm_output_epilogue): Use arm_volatile_func().
2088 (output_thumb_prologue): Use arm_strip_name_encoding().
2090 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2092 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2093 of sequence point problems.
2095 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2097 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2099 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2101 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2103 * sbitmap.h: Whitespace changes and use upper-case macro args.
2104 (struct simple_bitmap_def): All sizes now unsigned.
2105 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2106 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2107 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2108 (sbitmap_zero): Cast bzero arg to PTR.
2109 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2110 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2111 loop to make structure clearer.
2112 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2113 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2114 (sbitmap_a_and_b_or_c): Likewise.
2115 (sbitmap_intersection_of_succs): Minor cleanups.
2116 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2117 (sbitmap_union_of_preds): Likewise.
2118 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2119 (debug_sbitmap): New function.
2121 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2122 * c-typeck.c (convert_for_assignment): Likewise.
2124 * expmed.c (init_expmed): Don't free objects we make.
2125 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2127 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2128 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2130 * gcse.c (expr_hash_table_size): Now unsigned.
2131 (compute_ae_gen): Local variable `i' now unsigned.
2132 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2133 (compute_transout, hoist_code): Likewise.
2134 (compute_local_properties): Likewise, also hash_table_size.
2135 (alloc_expr_hash_table): N_INSNS now unsigned.
2136 (delete_null_pointer_checks): Mark arg F as unused.
2138 * regrename.c: Minor cleanups, including chang some variables
2141 2000-04-10 Neil Booth <NeilB@earthling.net>
2143 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2145 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2147 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2149 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2150 __classof__, and __headof__ from the list of gnu keywords.
2151 (-ansi): Remove -foperator-names from list of implied options.
2152 Do not call it ANSI C++.
2153 (-foperator-names): Document as -fno-operator-names.
2155 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2157 * cpphash.c (timestamp): Delete.
2158 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2159 (special_symbol): Remove unnecessary braces. Remove
2160 T_VERSION. Treat T_STDC like T_CONST unless
2161 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2162 when one is encountered, then convert them into T_MCONST
2164 * cppinit.c (builtin_array): version_string is T_MCONST.
2165 __STDC__ has a "1" in its cpval. Don't have a terminator
2166 entry. Clean up which entries are dumped.
2167 (initialize_builtins): Only __STDC__ gets the special
2168 -traditional treatment. Count the length of builtin_array.
2169 Render version_string here.
2170 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2171 * cpplib.h (struct cpp_reader): Remove timebuf.
2173 2000-04-09 Richard Henderson <rth@cygnus.com>
2175 * genrecog.c (pred): Update comparison_operator for the unordered
2178 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2180 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2181 (uno_comparison_operator): New.
2182 (put_condition_code): Handle UNORDERED/ORDERED.
2183 (unsigned_comparison): Likewise.
2184 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2185 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2186 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2187 update all callers. Handle all 8 unordered operators.
2188 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2189 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2190 * config/i386/i386.h (PREDICATE_CODES): Update.
2191 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2192 (ix86_expand_branch, ix86_expand_setcc): Update.
2193 * config/i386/i386.md (sunordered, sordered): New.
2194 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2195 (bunordered, bordered): New.
2196 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2197 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2198 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2200 2000-04-09 Philip Blundell <philb@gnu.org>
2202 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2204 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2206 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2207 fix_truncxfhi2): New patterns.
2208 * i386.c (output_fix_trunc): Handle converting to HImode.
2210 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2212 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2214 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2215 (for_each_successor_phi): Change parameter to basic_block.
2216 (coalesce_regs_in_successor_phi_nodes): Likewise.
2217 (coalesce_regs_in_copies): Likewise.
2218 (compute_coalesced_reg_partition): Use basic_block instead of index.
2219 * rtl.h (convert_to_ssa): Delete.
2220 (convert_from_ssa): Likewise.
2221 (successor_phi_fn): Likewise.
2222 (for_each_successor_phi): Likewise.
2223 (in_ssa_form): Likewise.
2224 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2225 (convert_from_ssa): Likewise.
2226 (successor_phi_fn): Likewise.
2227 (in_ssa_form): Likewise.
2228 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2229 * flow.c (calculate_global_regs_live): Pass a basic_block to
2230 for_each_successor_phi.
2232 2000-04-08 Richard Henderson <rth@cygnus.com>
2234 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2235 was modified in the current insn.
2237 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2239 * arm/thumb.md: Delete.
2240 * arm/thumb-protos.h: Delete.
2242 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2244 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2246 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2248 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2251 * arm.md (nop): Use the standard RTL expression. Don't code as a
2253 (*arm_nop, *thumb_nop): Delete.
2255 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2256 constants. Use casts instead.
2257 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2258 output_multi_immediate, arm_poke_function_name): Likewise.
2259 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2260 MASK_RETURN_ADDDR): Likewise.
2262 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2264 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2267 * arm.md (eh_epilogue): New function.
2268 * arm.h (struct machine_function): Move to here ...
2269 * arm.c: ... from here.
2270 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2271 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2272 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2274 2000-03-30 Nick Clifton <nickc@cygnus.com>
2276 * config/arm/semi.h (ASM_SPEC): Restore definition.
2277 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2279 * config/arm/elf.h (ASM_SPEC): Restore definition.
2280 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2282 * config/arm/arm.h (ASM_SPEC): Remove definition.
2283 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2285 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2287 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2289 2000-03-24 Nick Clifton <nickc@cygnus.com>
2291 Various formating tidyups, elimination of compile time
2292 warnings and synchronisation with internal sources:
2294 * config/arm/arm-protos.h (assemble_align): Add prototype.
2295 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2296 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2297 (arm_return_addr_rtx): Rename to arm_return_addr.
2299 * config/arm/arm.c: Include except.h.
2300 Define shorter typenames for strict minipool_node and struct
2302 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2304 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2305 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2307 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2309 (ASM_SPEC): Define if not already defined.
2310 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2312 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2313 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2314 arm_gen_compare_reg.
2315 (indirect_jump): Only accept register operands.
2316 (load_indirect_jump): Keep this pattern since combine can generate
2319 * config/arm/coff.h: Include aout.h.
2320 (MULTILIB_DEFAULTS): Only define if not already defined.
2322 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2323 into arm.h (so that COFF ports can support thumb based aliases).
2324 (ASM_SPEC): Move definition into arm.h
2326 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2327 redundant apcs spec.
2328 (ASM_SPEC): Move definition to arm.h
2330 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2332 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2333 for entries in the .bss section
2335 2000-03-23 Nick Clifton <nickc@cygnus.com>
2337 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2338 to thumb_far_jump_used_p.
2340 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2341 single integer parameter.
2343 * config/arm/arm.c (struct machine_function): Add two new
2344 fields, 'far_jump_used' and 'arg_pointer_live'.
2345 (thumb_far_jump_used_p): Once the decision has been made that
2346 far jumps might be used, always return true.
2347 If being called from the initial elimination offset macro then
2348 do not bother to perform the test if the arg pointer is not
2350 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2351 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2353 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2355 * arm.c (output_return_instruction): Handle more cases where we can
2356 return from a function with an ldr instruction.
2357 (arm_output_epilogue): Likewise.
2359 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2360 if we need to push a large stack frame and there are no callee-saved
2363 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2364 in ARM code if the frame pointer has been eliminated.
2366 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2367 unspec_volatile arguments to avoid duplicates.
2368 (consttable_1, consttable_2): Fixes for big-endian mode.
2370 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2373 Re-write constant pool code.
2374 * arm.c (minipool_node, minipool_fix): New types.
2375 (minifix): Delete type.
2376 (arm_add_minipool_constant): Delete.
2377 (arm_compute_minipool_offsets, arm_find_barrier,
2378 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2379 (get_jump_table_size): Now returns HOST_WIDE_INT.
2380 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2382 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2383 (assign_minipool_offsets, arm_print_value): Likewise.
2384 (dump_minipool): Rewrite.
2385 (arm_barrier_cost): New function.
2386 (create_fix_barrier): New function.
2387 (push_minipool_barrier): New function.
2388 (push_minipool_fix): Record additional information about the fixup
2390 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2391 check the mode of what needs fixing.
2392 (arm_reorg): Rewrite.
2394 2000-03-08 Nick Clifton <nickc@cygnus.com>
2396 * config/arm/arm.md (indirect_jump): Force constant addresses into
2399 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2401 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2403 2000-02-24 Nick Clifton <nickc@cygnus.com>
2405 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2406 adjust is word aligned.
2407 (thumb_expand_epilogue): Make sure that stack adjust is word
2410 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2412 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2414 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2415 pointer relative addresses.
2417 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2419 * arm.c (find_barrier): Find the last barrier within the allowed
2422 2000-02-09 Nick Clifton <nickc@cygnus.com>
2424 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2426 2000-02-09 Nick Clifton <nickc@cygnus.com>
2428 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2429 ARM_FUNCTION_PROFILER.
2431 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2432 ARM_FUNCTION_PROFILER.
2434 * config/arm/linux-oldld.h: Imported from mainline sources.
2436 2000-02-07 Nick Clifton <nickc@cygnus.com>
2438 * config/arm/lib1funcs.asm: Merge in thumb functions from
2441 * config/arm/lib1thumb.asm: Delete.
2443 2000-02-04 Nick Clifton <nickc@cygnus.com>
2445 * config/arm/arm.c: Sychronised with current Red hat local
2447 * config/arm/arm.h: Ditto.
2448 * config/arm/arm-protos.h: Ditto.
2450 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2452 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2454 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2457 2000-02-02 Nick Clifton <nickc@cygnus.com>
2459 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2461 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2462 (return) was emited using an emit_insn() call.
2464 2000-01-31 Nick Clifton <nickc@cygnus.com>
2466 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2468 (thumb_exit): Move frame pointer back into hard frame pointer
2469 register if backtracing is being used.
2471 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2473 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2476 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2478 * config/arm/arm.md (neg_pool_offset): Provide default for new
2480 (arm_movsi_insn): Add neg_pool_offset attribute.
2481 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2482 rtx for the insn that starts the scan and an unsigned long for its
2483 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2484 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2485 instructions in *PINSERTED.
2486 (struct minipool_fixup): Add MIN_ADDRESS elt.
2487 (sort_fixups): Compute it.
2488 (arm_reorg): Changes to support inserting pools before the insn to be
2491 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2493 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2494 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2495 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2497 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2499 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2501 (TARGET_DEFAULT): Do not define if already defined.
2503 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2505 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2506 (iordi3): Allow disjoint source operands.
2507 (xordi3): Allow disjoint source operands.
2508 (negdi2): Permit construction for ARM and Thumb.
2509 (arm_negdi2): Renamed version of old negdi2 pattern.
2510 (thumb_negdi2): New pattern: Only permit non-overlapping
2511 source and destination.
2513 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2515 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2516 scratch low register so that it will not be deleted.
2518 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2520 * config/arm/pe.h (ARM_PE): Define.
2522 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2523 interfacearm attribute if this is a PE toolchain.
2524 (output_return_instruction): Do not emit anything if the function
2525 has the naked attribute set.
2526 (is_called_in_ARM_mode): If the function has the interfacearm
2527 attribute then return true.
2528 (thumb_expand_prologue): Do not generate a prologue for naked
2530 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2532 (output_thumb_prologue): Do not bother if the function is naked.
2533 Strip PE encoding from function name before emitting.
2535 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2537 * arm.md (pic_load_addr): Fix constraints.
2539 * arm.md (casesi_insn): Fix mis-applied patch.
2541 * arm.md ("core" function unit): Add rules for single- and
2543 (All TARGET_THUMB patterns): Add "type" attribute information
2545 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2546 the following insn is a CALL.
2548 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2550 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2551 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2552 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2554 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2556 * config/arm/linux-gas.h: oops - this file was missed out when the
2557 branch was created...
2559 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2561 * thumb.c: Deleted. Move contents to ...
2563 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2565 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2568 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2569 declare a prototype for asm_output_align();
2571 * arm.c (thumb_condition_code): Delete.
2572 (arm_print_operand): Always use arm_condition_code array.
2574 * arm.c (thumb_return_addr_rtx): Delete.
2575 (arm_save_machine_status, arm_restore_machine_status): Delete.
2576 (arm_init_machine_status, arm_mark_machine_status): New functions.
2577 (arm_init_expanders): Update accordingly.
2578 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2579 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2580 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2582 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2584 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2586 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2589 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2591 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2592 stack backtrace structure.
2594 * config/arm/arm-protos.h: Add prototypes for functions defined in
2597 * config/arm/arm.c (arm_override_options): Fix selection of
2598 attributes of default processor.
2600 * config/arm/coff.h: Delete needless #include.
2602 * config/arm/pe.c: Delete unused code.
2604 * config/arm/pe.h (CPP_DEFINES): Delete
2605 (SUBTARGET_CPP_SPEC): Define.
2606 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2608 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2610 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2612 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2614 (CAN_DEBUG_WITHOUT_FP): Define.
2615 (FIXED_REGISTERS): Make r11 call-saved.
2616 (CALL_USED_REGISTERS): Likewise.
2617 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2618 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2619 frame-pointer is required.
2620 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2621 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2622 if the target normally needs a stack frame in non-leaf functions.
2623 (use_return_insn): Correct logic for determining when a return
2624 instruction can be used.
2625 (output_return_instruction): Handle the frame-pointer register as
2626 a normal register when not TARGET_APCS_FRAME.
2627 (arm_output_prologue): Likewise.
2628 (arm_output_epilogue): Likewise.
2629 (output_func_epilogue): Likewise.
2630 (arm_expand_prologue): Likewise.
2631 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2633 * arm.c (use_return_insn): No need to check floating point regs if
2635 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2636 the code of value stored in the minipool array.
2637 (arm_add_minipool_constant): Likewise.
2639 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2643 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2645 * tree.c (tree_expr_nonnegative_p): New function.
2647 * tree.h (tree_expr_nonnegative_p): Declare.
2649 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2650 elide some sign_compare warnings.
2651 (build_conditional_expr): Likewise.
2653 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2655 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2657 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2658 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2659 operand. Abort if a 387 operand has an unsupported size.
2661 2000-04-08 Neil Booth <NeilB@earthling.net>
2663 * cppexp.c (parse_charconst): Null does not end character
2665 * cppinit.c (ISTABLE): Null character handled as whitespace.
2666 * cpplex.c (null_warning): new function.
2667 (skip_string): Emit warning if nulls encountered.
2668 (_cpp_skip_hspace): Emit warning if nulls encountered.
2669 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2673 2000-04-07 Richard Henderson <rth@cygnus.com>
2675 * flow.c (loop_depth): Remove.
2676 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2677 (struct propagate_block_info): New.
2678 (life_analysis): Don't allocate reg_next_use.
2679 (propagate_block_delete_insn): Break out of propagate_block.
2680 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2681 (propagate_block_delete_libcall): Likewise.
2682 (propagate_block): Create a propagate_block_info struct to pass
2683 to subroutines. Allocate one not two temporary regsets. Don't
2684 clobber memory for const calls. Look for clobbers in
2685 CALL_INSN_FUNCTION_USAGE.
2686 (mark_set_regs): Recognize COND_EXEC.
2687 (mark_set_reg): Break out of mark_set_1.
2688 (mark_used_reg): Break out of mark_used_regs.
2689 (mark_used_regs): Recognize COND_EXEC.
2690 (insn_dead_p): Use propagate_block_info struct.
2691 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2692 (find_auto_inc, try_pre_increment_1): Likewise.
2693 (print_rtl_with_bb): Dump regs live at end too.
2694 (count_reg_sets_1): Pass in loop_depth.
2695 (count_reg_sets, count_reg_references): Likewise.
2696 (recompute_reg_usage): Provide it.
2698 2000-04-07 Richard Henderson <rth@cygnus.com>
2700 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2703 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2705 * cpplib.c (do_elif): Skip the rest of the line if we're
2706 not going to bother evaluating it.
2707 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2708 to avoid pointless calls to the lexer.
2710 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2712 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2714 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2716 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2718 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2720 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2722 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2724 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2725 crtend so they can be multilibbed.
2726 (STAGESTUFF): Remove s-crt and s-crtS.
2728 2000-04-07 Richard Henderson <rth@cygnus.com>
2730 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2731 if we discover we need a pseudo and no_new_pseudos is true.
2732 * config/alpha/alpha.md (ne:DI insn): New.
2733 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2735 2000-04-07 Richard Henderson <rth@cygnus.com>
2737 * rtl.def (COND_EXEC): New.
2738 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2739 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2741 * genconfig.c (have_cond_arith_flag): Remove.
2742 (have_cond_exec_flag): New.
2743 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2744 (main): Print HAVE_conditional_execution.
2746 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2747 (sched_analyze_insn, print_pattern): Likewise.
2748 * reload.c (find_equiv_reg): Likewise.
2749 * rtlanal.c (reg_referenced_p): Likewise.
2750 (note_stores, dead_or_set_regno_p): Likewise.
2751 (reg_overlap_mentioned_p): Rewrite to use a switch.
2753 * ggc.h (struct rtx_def): Forward declare.
2755 * print-rtl.c (debug_rtx_range): New.
2756 * rtl.h (debug_rtx_range): Declare.
2758 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2760 * gcse.c (gcse_main): Don't rebuild the CFG here.
2761 (delete_null_pointer_checks): Likewise.
2762 * ssa.c (convert_to_ssa): Likewise.
2763 * toplev.c (rest_of_compilation): Do it here instead. Combine
2764 sequential calls to TIMEVAR. Consistently use `insns' instead of
2765 `get_insns()'. Always split insns after reload when optimizing.
2767 * basic-block.h (merge_blocks_nomove): Declare.
2768 (tidy_fallthru_edge): Declare.
2769 * flow.c (merge_blocks_nomove): Document as merging into previous
2770 blocks. Remove cruft from between blocks; remove all edges out of A.
2771 (tidy_fallthru_edge): Export.
2773 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2775 * ssa.c (compute_conservative_reg_partition): Declare with
2777 * toplev.c (clean_dump_file): Remove previously-deleted function
2778 inadvertantly merged back in.
2779 * conflict.c (conflict_graph_add): Use a single call to
2780 htab_find_slot to look up and insert.
2782 2000-04-06 Richard Henderson <rth@cygnus.com>
2784 * genrecog.c (*): Rename _last_insn to last_insn.
2785 (make_insn_sequence): Set the position of the peephole2 C test
2786 to be at the last insn.
2788 2000-04-06 Richard Henderson <rth@cygnus.com>
2790 * flow.c (compute_flow_dominators): Free worklist.
2792 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2794 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2796 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2798 * rtl.h (INSN_P): New macro.
2799 (successor_phi_fn): New typedef.
2800 (for_each_successor_phi): New prototype.
2801 (in_ssa_form): New variable.
2802 (PHI_NODE_P): Likewise.
2803 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2804 phi nodes in successors.
2805 (mark_used_regs): Add PHI case.
2806 (set_phi_alternative_reg): New function.
2807 (life_analysis): Assert that dead code elimination is not selected
2809 * toplev.c (to_ssa_time): New variable.
2810 (from_ssa_time): Likewise.
2811 (compile_file): Zero to_ssa_time and from_ssa_time.
2812 Print time to convert to and from SSA.
2813 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2814 (print_time): Compute percent fraction as integer.
2815 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2816 (convert_to_ssa): Check if we're already in SSA.
2817 Don't eliminate dead code in life_analysis.
2818 Rerun flow and life analysis at bottom.
2819 (eliminate_phi): Use canonical regnos when adding nodes.
2820 (mark_reg_in_phi): New function.
2821 (mark_phi_and_copy_regs): Likewise.
2822 (convert_from_ssa): Rerun life analysis at top.
2823 Use coalesced partition.
2824 Check for removing a phi node at the end of the block.
2825 (compute_coalesced_reg_partition): New function.
2826 (coalesce_regs_in_copies): Likewise.
2827 (coalesce_reg_in_phi): Likewise.
2828 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2829 (for_each_successor_phi): Likewise.
2830 (rename_context): New struct.
2831 (rename_block): Use a rename_context with rename_insn_1. When
2832 renaming sets of a subreg, emit a copy of the entire reg first.
2833 (rename_insn_1): Treat data as a rename_context *. Save current
2835 (rename_set_data): Add field set_insn.
2836 * Makefile.in (HASHTAB_H): Move up in file.
2837 (OBSTACK_H): New macro.
2838 (collect2.o): Use OBSTACK_H in dependencies.
2839 (sdbout.o): Likewise.
2840 (emit-rtl.o): Likewise.
2841 (simplify-rtx.o): Likewise.
2842 (fix-header.o): Likewise.
2843 (OBJS): Add conflict.o.
2844 (conflict.o): New rule.
2845 * basic-block.h: Include partition.h.
2846 (conflict_graph): New typedef.
2847 (conflict_graph_enum_fn): Likewise.
2848 (conflict_graph_new): New prototype.
2849 (conflict_graph_delete): Likewise.
2850 (conflict_graph_add): Likewise.
2851 (conflict_graph_conflict_p): Likewise.
2852 (conflict_graph_enum): Likewise.
2853 (conflict_graph_merge_regs): Likewise.
2854 (conflict_graph_print): Likewise.
2855 (conflict_graph_compute): Likewise.
2856 * conflict.c: New file.
2858 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2860 * tlink.c (read_repo_files): Don't look for .rpo info for
2863 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2865 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2867 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2869 * config/sh/lib1funcs.asm (___udivsi3_i4):
2870 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2871 only depends on FMOVD_WORKS.
2873 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2875 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2876 make double constant 8-byte aligned.
2878 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2880 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2881 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2882 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2883 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2884 Accept storing GENERAL_REGS into offsetable memory.
2885 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2886 building a TFmode constant other than 0.0L into GENERAL_REGS.
2888 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2890 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2892 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2894 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2895 (macro_cleanup): No need to cast pbuf->macro.
2896 (collect_expansion): Use _cpp_get_define_token. Goto done if
2897 it returns VSPACE. Remove check for trailing space after
2899 (_cpp_create_definition): Don't diddle flags here. Return
2901 (unsafe_chars): Handle c1 being EOF.
2902 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2903 checks. Don't push the buffer till after we're done with
2905 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2906 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2907 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2909 (_cpp_parse_assertion): Don't NUL terminate.
2910 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2911 hspace before calling _cpp_parse_assertion. Remove all sets
2912 of only_seen_white. Treat '\f' as hspace. Don't do anything
2913 special with '\n' here.
2914 (maybe_macroexpand): Handle T_EMPTY hash entries without
2915 pushing a buffer at all.
2916 (cpp_get_token): Handle clearing only_seen_white here. Handle
2917 incrementing the line number here. Clear
2918 potential_control_macro as well as only_seen_white, if
2920 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2921 (_cpp_get_define_token): New function, basically like
2922 _cpp_get_directive_token was but doesn't eat horizontal space.
2923 Don't do anything with only_seen_white here.
2924 (_cpp_get_directive_token): Just call _cpp_get_define_token
2925 repeatedly till it returns non-hspace.
2927 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2928 (conditional_skip, skip_if_group): Return int.
2929 (DIRECTIVE_TABLE): Change origin of all conditional directives
2931 (TRAD_DIRECT_P): New macro.
2932 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2933 an error for a bogus directive, unless -lang-asm. Use
2934 TRAD_DIRECT_P. Loop calling handler functions till one returns
2936 (get_macro_name): Don't diddle flags here.
2937 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2938 Create T_EMPTY nodes for #define macro /* nothing */.
2939 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2940 Use hp->name when calling pass_thru_directive.
2941 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2942 Return the result of conditional_skip and/or skip_if_group.
2943 Don't call _cpp_output_line_command.
2944 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2945 Issue -Wtraditional warnings as appropriate. Don't complain
2946 about unrecognized directives. If we are to stop skipping,
2947 return the number of the directive that ended the skip.
2948 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2949 expansion and line commands while skipping. Return the result
2950 of consider_directive_while_skipping, if nonzero.
2951 (do_endif): Just set potential_control_macro here.
2952 (validate_else): Use _cpp_get_directive_token.
2953 (do_assert, do_unassert): Don't save pointers into the
2954 token_buffer across calls to the lexer. Use
2955 _cpp_get_directive_token.
2957 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2958 pointer, not an offset. Replace 'data', which was a generic
2959 pointer, with 'macro', which points to a struct hashnode.
2960 (cpp_reader): Add 'potential_control_macro' pointer.
2961 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2962 (CPP_BUF_GET, CPP_FORWARD): Delete.
2963 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2964 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2965 ACTIVE_MARK_P): Update.
2966 (_cpp_get_define_token): New internal function.
2967 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2969 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2971 * configure.in: And here.
2972 * configure: Regenerate.
2973 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2974 --enable-libstdcxx-v3 is passed at configure time.
2975 * config.h.in: Regenerate.
2977 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2979 * final.c (final): Use xcalloc to allocate line_note_exists.
2980 * function.c (free_after_compilation): Free the temp_slots.
2981 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2982 (combine_temp_slot): Free temp_slots when they get combined.
2983 (purge_addressof): Fix typo in comment.
2984 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2985 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2987 * ggc.h: Include varray.h.
2988 (ggc_pending_trees): Declare.
2989 (ggc_mark_tree_children): Remove declaration.
2990 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2991 * ggc-common.c (ggc_pending_trees): New variable.
2992 (ggc_mark_roots): Call ggc_mark_trees.
2993 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2994 the ggc_pending_trees.
2995 * Makefile.in (GGC_H): New variable. Use it throughout in place
2998 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3000 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3003 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3005 * sh.c (sh_insn_length_adjustment): New function.
3006 * sh-protos.h (sh_insn_length_adjustment): Declare.
3007 * sh.h (ADJUST_INSN_LENGTH): Use it.
3009 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3011 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3012 from the insn where REG_RETVAL is added.
3013 (emit_no_conflict_block): Ditto.
3015 * md.texi (Standard Names): Clarify when movX is needed.
3017 * combine.c (simplify_comparison) [MINUS]: Do not replace
3018 all (op (minus A B) 0) with (op A B).
3020 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3021 J"orn Rennecke <amylaar@cygnus.co.uk>
3023 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3024 (block_lump_real): Likewise.
3026 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3028 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3029 remaining non-zero debugging masks.
3031 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3033 * basic-block.h (verify_flow_info): Declare.
3034 (flow_loop_outside_edge_p): Declare.
3035 * flow.c (verify_flow_info): Remove declaration.
3036 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3038 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3040 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3043 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3045 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3046 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3047 seqdi_zero_trunc+1): Allow splits only if registers are
3050 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3052 * acconfig.h: Add HAVE_GAS_HIDDEN.
3053 * config.in: Regenerated.
3054 * configure.in: Add test for .hidden pseudo-op in gas.
3055 * configure: Regenerated.
3056 * crtstuff.c: Include auto-host.h.
3057 Emit additional .hidden pseudo-op for __dso_handle if the
3058 assembler knows about it.
3060 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3062 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3063 before freeing argnames.
3064 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3066 2000-04-05 Michael Meissner <meissner@redhat.com>
3068 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3069 Walton <jonboy@gordian.com> to make memory references with update
3070 work wtih -mregnames.
3072 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3075 (regrename_optimize): Rename variables `def_uses' and
3076 `ext_basic_blocks' to avoid conflicts with similarly named
3077 typedefs in traditional C.
3079 * calls.c (initialize_argument_information): Fix typo in previous
3082 2000-04-04 Richard Henderson <rth@cygnus.com>
3084 * regrename.c (consider_available): Test fixed_regs not
3085 PIC_OFFSET_TABLE_REGNUM.
3087 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3089 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3091 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3092 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3093 (ENDFILE_LINUX_SPEC): Always use crtend.
3094 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3095 (powerpc-*-linux-gnu): Likewise.
3096 * configure: Regenerate.
3098 * config/rs6000/eabi.h: Don't include sysv4.h.
3099 (MULTILIB_DEFAULTS): Don't define.
3100 * config/rs6000/eabiaix.h: Don't include eabi.h.
3101 * config/rs6000/eabile.h: Delete.
3102 * config/rs6000/eabilesim.h: Delete.
3103 * config/rs6000/eabisim.h: Don't include eabi.h.
3104 * config/rs6000/linux.h: Don't include sysv4.h.
3105 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3106 (MULTILIB_DEFAULTS): Don't redefine.
3107 * config/rs6000/rtems.h: Don't include eabi.h.
3108 * config/rs6000/sol2.h: Don't include sysv4le.h.
3109 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3110 * config/rs6000/t-ppc: Delete.
3111 * config/rs6000/t-ppcgas: Correct comment.
3112 * config/rs6000/t-ppcos: Correct comment. Don't build
3113 multilibs for -fPIC, rather use -fPIC -mstrict-align
3115 * config/rs6000/t-ppc: Delete.
3116 * config/rs6000/vxppc.h: Don't include sysv4.h.
3117 * config/rs6000/vxppcle.h: Delete.
3118 * configure.in: Use multiple header files for p2pc ELF targets
3119 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3120 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3121 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3122 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3123 always available for these platforms.
3125 2000-04-04 Richard Henderson <rth@cygnus.com>
3127 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3129 2000-04-04 Stan Cox <scox@cygnus.com>
3131 * Makefile.in: Add rules for regrename.o
3132 * regrename.c: New file.
3133 * rtl.h (regrename_optimize): Add prototype.
3134 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3135 (compile_file, decode_d_option): Add support for -frename-registers.
3136 (rest_of_compilation): Call regrename_optimize.
3137 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3140 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3142 * Makefile (gccbug): New target.
3143 (doc): Depend on it.
3144 * gcc.texi (Bugs): Link subnodes.
3146 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3147 Document severities, priorities, and classes in bug form.
3149 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3151 * cpplex.c (trigraph_map, speccase): Combine into single
3153 (NORMAL, NONTRI): New macros.
3154 (_cpp_read_and_prescan): Change to use unified table. Use
3155 is_hspace to test for whitespace.
3157 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3158 definition that doesn't provoke the "empty body in an
3159 if-statement" warning.
3161 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3163 * builtins.c (expand_builtin_strlen): Force the source to
3164 be a memory address.
3166 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3168 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3170 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3172 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3173 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3174 (ECF_IS_CONST): Rename to ECF_CONST.
3175 (special_function_p): Make static, change interface.
3176 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3177 (expand_call) ... here; convert number of variables to flags.
3178 (emit_library_call_vlue_1): Likewise.
3179 (setjmp_call_p): New function.
3180 (initialize_argument_information): Accepts flags as argument;
3182 (precompute_arguments): Likewise.
3183 * tree.h (special_function_p): Remove.
3184 (setjmp_call_p): Add prototype.
3186 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3188 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3189 so that addresses are offsetable by up to 16 bytes.
3190 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3191 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3194 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3195 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3196 (movsf): Don't force any constant to memory if target is integer
3198 Move fp_zero_operand check below the const0_rtx check.
3199 (movtf): Likewise. Also allow fp_zero_operand for stores into
3201 (movdf): Likewise. Also allow fp_zero_operand for stores into
3202 memory and into integer hard registers.
3203 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3204 movdf_const_intreg_sp64): Remove.
3205 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3207 (movdf_no_e_insn_v9_sp32): New pattern.
3208 (movdf_insn_v9only): Remove.
3209 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3210 (movdf_insn_sp64): Remove.
3211 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3212 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3213 (following splits): Rewrite conditions. Add two new splits
3214 for storing 0.0 into memory and registers.
3215 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3216 (movtf_insn_sp32): Redo constraints and conditions.
3217 (movtf_insn_vis_sp32): New pattern.
3218 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3219 (movtf_insn_hq_sp64): Likewise.
3220 (movtf_insn_hq_vis_sp64): New pattern.
3221 (movtf_insn_sp64): Redo constraints and conditions.
3222 (movtf_insn_vis_sp64): New pattern.
3223 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3224 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3226 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3227 -mvis or -m64 to take down the number of various reload patterns.
3229 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3231 * pa/pa-64.h: New file.
3232 * pa/pa64-regs.h: New file.
3233 * pa/pa64-start.h: New file.
3234 * pa/t-pa64: New file.
3235 * pa/xm-pa64hpux.h: New file.
3237 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3239 * sparc.c (output_restore_regs): Prototype.
3240 (sparc_emit_float_lib_cmp): Constification.
3242 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3244 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3247 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3248 (get_value_hash, hash_rtx): Likewise.
3250 * ssa.c (compute_conservative_reg_partition): Prototype.
3252 * tree.c (mark_hash_entry): Prototype.
3254 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3256 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3257 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3258 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3260 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3261 * objc/lang-specs.h: Likewise.
3263 2000-04-03 Neil Booth <NeilB@earthling.net>
3265 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3266 and SYNTAX_ERROR2. Replace `' in messages with ''.
3267 (op_to_str): Make re-entrant.
3268 (_cpp_parse_expr): Implement new error macros. Use | rather
3269 than || to logically or 2 boolean integers. Simply expression
3270 checking we have a left operand iff needed.
3272 2000-04-03 Nick Clifton <nickc@cygnus.com>
3274 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3276 2000-04-03 Philip Blundell <philb@gnu.org>
3278 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3280 2000-04-03 Felix Lee <flee@cygnus.com>
3282 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3283 (run_shell): Use it.
3285 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3287 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3288 (stmp-fixproto): ...rather than here.
3290 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3292 * pa.c (print_operand): Compute 'base' only inside the code paths
3295 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3297 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3300 2000-04-03 Philipp Thomas <pthomas@suse.de>
3302 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3304 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3306 * Makefile.in (alias.o): Depend on $(TREE_H).
3308 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3310 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3312 * cpplib.c (_cpp_handle_directive): Improve warnings for
3313 traditional C and indented directives.
3315 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3316 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3317 fixinc/inclhack.def: Indent the # of #include_next one space.
3318 * cp/rtti.c: Un-indent #if and #endif.
3320 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3321 syntax error, but an error has already been printed.
3322 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3323 message when called with nothing remaining on the line.
3324 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3325 OTHER token, not an ASSERTION.
3326 * cpplib.c (do_assert): When we create a 'base' node, clear
3327 its aschain pointer.
3329 2000-04-02 Neil Booth <NeilB@earthling.net>
3331 * cppexp.c: New typedef op_t. struct operation and struct
3332 token updated to use it.
3333 (op_to_str): New function.
3334 (_cpp_parse_expr): Error messages modified to use op_to_str.
3336 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3338 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3339 before checking MUST_PASS_IN_STACK.
3341 2000-04-02 Neil Booth <NeilB@earthling.net>
3343 * cppexp.c: New FINISHED dummy token. Combine operator initial
3344 flags and initial priority into a single constant. New
3345 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3346 (_parse_cpp_expr): Implement new constants. Take left operand
3347 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3348 parse indicated by reducing FINISHED token. Remove new lines
3349 from cpp_error messages.
3351 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3353 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3356 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3358 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3359 directive. Add origin values to DIRECTIVE_TABLE. Generate
3360 the strings and function names on the fly. Take the #sccs
3361 entry out of the table if SCCS_DIRECTIVE is not defined.
3362 (_cpp_handle_directive): Decide if the # was at the beginning
3363 of the line here. Issue -pedantic warnings for extended
3364 directives here. Warn about K+R directives with the #
3365 indented, and C89/extended directives with the # not indented,
3367 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3368 do_assert, do_unassert): Don't issue pedantic warning here.
3370 * cpphash.h: Add CPP_WTRADITIONAL macro.
3371 * cpplib.h (struct cpp_options): Rename warn_stringify to
3372 warn_traditional; update comments.
3373 * cppinit.c (handle_option): Set warn_traditional not
3375 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3376 CPP_WTRADITIONAL (pfile).
3377 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3378 be ignored in -traditional mode here.
3380 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3381 to initialize speccase[] and trigraph_map[]. Delete all
3382 references to pfile->input_speccase. Always treat '?' as a
3383 special character. Remove table-initialization code from
3384 _cpp_init_input_buffer.
3386 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3387 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3389 2000-04-01 Richard Henderson <rth@cygnus.com>
3391 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3392 (mostlyclean): Likewise.
3394 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3395 (struct dump_file_info, enum dump_file_index, dump_file): New.
3396 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3397 not a string. Clean out file if we havn't yet done so. Do nothing
3398 if the dump isn't enabled.
3399 (close_dump_file): Do nothing if the dump isn't open. Dump
3400 graph data if requested.
3401 (dump_rtl, clean_dump_file): Remove.
3402 (compile_file): Don't clean the dump files. Only finalize .bp dump
3403 if flag_test_coverage or flag_branch_probabilities. Only finalize
3404 .combine dump if optimizing. Iterate over dump_file to finalize the
3406 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3407 Convert all uses of dump_rtl.
3408 (decode_d_option): Iterate over dump_file to implement 'a' and to
3409 locate pass-specific dumps.
3411 2000-04-01 Neil Booth <NeilB@earthling.net>
3413 * cppexp.c: Redefine priority constants.
3414 (_cpp_parse_expr): Replace left and right priority scheme with
3415 single priority logic. Move LOGICAL to same place as COMPARE.
3416 Remove bogus check for multiple unary +/- operators.
3418 2000-04-01 Neil Booth <NeilB@earthling.net>
3420 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3421 within the switch statement. Binary operations break out of
3422 the switch naturally. '(' tokens handled by forcing
3423 immediate shift. ')' handled by forcing immediate reduce to
3424 the previous '('. New error messages.
3426 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3428 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3429 part', it's already in use. Use %K instead. Add a return at the
3430 end of what is now %K.
3431 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3433 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3435 * builtins.c (expand_builtin_apply): Pass proper parameters to
3436 allocate_dynamic_stack_space.
3437 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3438 update stack_pointer_delta; do not update arg_size_so_far.
3439 (compute_argument_block_size): Use stack_delta instead of
3440 stack_pointer_pending and arg_size_so_far.
3441 (expand_call): Add sanity checking for stack_pointer_delta;
3442 save and restore stack_pointer_delta for SIB, use
3443 stack_pointer_delta for alignment; do not update arg_space_so_far.
3444 (emit_library_call_value): Use stack_pointer_delta for alignment.
3445 (store_one_arg): Do not update arg_space_so_far.
3446 * explow.c (adjust_stack, anti_adjust_stack): Update
3447 stack_pointer_delta.
3448 (allocate_dynamic_stack_space): Add sanity checking for
3449 stack_pointer_delta.
3450 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3451 stack_pointer_delta.
3452 (emit_push_insn): Update stack_pointer_delta.
3453 * function.h (struct expr_status): Add x_stack_pointer_delta;
3454 remove x_arg_space_so_far.
3455 (arg_space_so_far): Remove.
3456 (stack_pointer_delta): New macro.
3458 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3460 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3461 Reorder struct cpp_options and struct cpp_reader for better
3462 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3463 takes two args. Change all 'char' flags to 'unsigned char'.
3464 Move show_column flag into struct cpp_options. Don't
3465 prototype cpp_options_init.
3466 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3467 cppinit.c, cpplex.c, cpplib.c:
3468 Replace CPP_OPTIONS (pfile)->whatever with
3469 CPP_OPTION (pfile, whatever), and likewise for
3470 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3472 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3473 Extract CPP_OPTION (pfile, pending) and work with that
3475 (cpp_options_init): Delete.
3476 (cpp_reader_init): Turn on on-by-default options here.
3477 Allocate the pending structure here.
3478 (cl_options, enum opt_code): Define these from the same table,
3479 kept in a large macro. Add -fshow-column and -fno-show-column
3482 * cpperror.c (v_message): If show_column is off, don't print
3485 * cppmain.c: Update for new interface.
3486 * fix-header.c: Likewise.
3488 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3490 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3492 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3493 are passed to any invocation of AR_FOR_TARGET.
3494 (AR_CREATE_FOR_TARGET): New macro.
3495 (AR_EXTRACT_FOR_TARGET): New macro.
3496 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3497 AR_EXTRACT_FOR_TARGET.
3498 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3499 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3500 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3501 AR_EXTRACT_FOR_TARGET to sub-makes.
3503 2000-03-31 Neil Booth <NeilB@earthling.net>
3505 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3507 (_cpp_parse_expr): Check for multiple unary +/- operators.
3508 Correct priorities of ':' and '?'. Treat ')' as having a
3509 value. Ensure conditional expression is not void.
3511 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3513 * alias.c (canon_rtx): Make it global.
3514 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3516 * cse.c (struct table_elt): Add canon_exp.
3518 (invalidate): Canonicalize expressions only once.
3519 * rtl.h (canon_rtx): Declare.
3521 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3523 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3524 * alias.c (reg_known_value): Add comments.
3525 (init_alias_analysis): Likewise.
3526 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3528 (cse_basic_block): Fix typo in comment.
3529 * emit-rtl.c: Include hashtab.h.
3530 (const_int_htab): New variable.
3531 (const_int_htab_hash): New function.
3532 (const_int_htab_eq): Likewise.
3533 (rtx_htab_mark_1): Likewise.
3534 (rtx_htab_mark): Likewise.
3535 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3536 (unshare_all_rtx): Fix formatting.
3537 (init_emit_once): Initialize const_int_htab.
3538 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3540 * rtl.texi: Document the fact that all CONST_INTs with the same
3543 2000-03-30 Richard Henderson <rth@cygnus.com>
3545 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3547 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3549 * configure.in: Comment out --enable-c-cpplib stanza.
3550 * configure: Regenerate.
3552 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3554 * expr.c (store_constructor): Properly compute displacement and
3555 alignment when offset is variable.
3557 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3558 cases of alignment in bytes.
3560 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3562 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3563 since it is used to generate c-parse.y.
3564 * objc-parse.c, objc-parse.y: Regenerated.
3566 * function.c (expand_function_end): Pass alignment argument to
3567 emit_block_move in bits, not bytes.
3569 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3571 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3574 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3576 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3577 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3578 * function.c (assign_parms): Likewise.
3579 * integrate.c (expand_inline_function): Likewise.
3580 * stmt.c (expand_decl): Likewise.
3581 (copy_rtx_and_substitute): Likewise.
3582 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3583 (clear_by_pieces): Fix error in last change.
3584 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3585 * function.h (regno_pointer_align): Now unsigned.
3586 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3588 * config/i386/i386.c (aligned_operand): Likewise.
3589 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3590 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3591 (unaligned_memory_operand): Likewise.
3592 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3593 Also make alignments and sizes unsigned and some whitespace cleanup.
3594 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3596 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3597 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3598 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3599 (expand_builtin_memset): Likewise, but to clear_storage.
3600 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3601 (restore_fixed_argument_area): Likewise.
3602 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3603 (load_register_parameters): Likewise, to emit_group_load.
3604 (expand_call): Likewise, to emit_group_store and emit_block_move.
3605 (emit_library_call_value_1): Likewise, to emit_block_move.
3606 (store_one_arg): Likewise, and to emit_push_insn.
3607 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3608 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3609 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3610 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3611 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3612 (expand_assigment, store_expr, store_constructor_field): Likewise.
3613 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3614 (store_constructor, store_field, get_inner_reference): Likewise.
3615 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3616 (expand_expr, case COMPONENT_REF): Likewise.
3617 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3618 and positions; reindent code.
3619 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3620 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3621 (assign_parms): Likewise to emit_group_store.
3622 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3623 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3624 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3625 (expand_return): Likewise to {extract,store}_bit_field.
3626 * stor-layout.c (get_mode_alignment): Minor cleanup.
3627 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3628 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3630 2000-03-29 Nick Clifton <nickc@cygnus.com>
3632 * config/arm/arm.h: Undo effects of previous delta:
3633 (ASM_SPEC): Do not define.
3634 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3636 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3639 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3641 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3642 only after reading in the primary source file.
3644 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3646 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3647 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3648 or a reference to a va_list.
3649 * builtins.c (stabilize_va_list): Simplify now we don't have to
3650 work around C array address decay.
3651 * c-typeck.c (convert_for_assignment): Handle assignment to
3652 a reference parameter by taking the address of the RHS.
3653 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3654 (va_copy): Likewise.
3655 (__va_copy): Likewise.
3656 * ginclude/varargs.h (va_start): Likewise.
3657 (__va_copy): Likewise.
3659 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3661 * i386/djgpp.h: Remove extraneous "+".
3663 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3665 * calls.c (expand_call): Fix typo in last change.
3667 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3669 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3672 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3674 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3675 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3676 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3677 * tree.c (bit_position, byte_position): Likewise.
3678 * tree.h: Declare new functions.
3680 2000-03-29 Nick Clifton <nickc@cygnus.com>
3682 * config/arm/arm.c: Minor formatting changes/
3683 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3685 (ASM_SPEC): Define if not already defined.
3687 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3689 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3692 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3694 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3695 value, don't output it as unsigned.
3697 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3699 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3701 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3703 * c-common.c (c_common_nodes_and_builtins): Don't special case
3704 cplus_mode when declaring builtin bzero/bcmp, always avoid
3705 prototype arguments.
3707 2000-03-29 Bruce Korb <bkorb@gnu.org>
3709 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3712 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3714 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3715 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3716 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3717 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3718 (save_fixed_argument_area, restore_fixed_argument_area):
3719 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3720 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3721 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3722 (precompute_register_parameters): Avoid #ifdefs on
3723 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3724 (stire_one_args): Likewise.
3725 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3726 (emit_library_call_value_1): Likewise.
3727 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3728 ACCUMULATE_OUTGOING_ARGS.
3729 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3731 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3732 (use_crosses_set_p): Likewise.
3733 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3734 #define ACCUMULATE_OUTGOING_ARGS 1.
3735 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3737 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3739 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3740 (TARGET_SWITCHES): Add push-args, no-push-args,
3741 accumulate-outgoing-args and no-accumulate-outgoing-args.
3742 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3743 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3744 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3746 (emit_push_insn): Likewise.
3747 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3748 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3749 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3750 (STACK_DYNAMIC_OFFSET): Define correctly for both
3751 ACCUMULATE_OUTGOING_ARGS and normal mode.
3752 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3753 * tm.texi (PUSH_ARGS): Document.
3754 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3756 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3758 * flags.h (flag_optimize_sibling_calls): Declare.
3759 * calls.c (expand_call): Fail sibcall when
3760 !flag_optimize_sibling_calls
3761 * invoke.texi (flag_optimize_sibling_calls): Document.
3762 * toplev.c (flag_optimize_sibling_calls): New global variable.
3763 (f_options): Add flag_optimize_sibling_calls.
3764 (rest_of_compilation): Conditionize
3765 optimize_sibling_and_tail_recursive_calls by
3766 flag_optimize_sibling_calls.
3767 (main): Set flag_optimize_sibling_calls for -O2.
3768 * stmt.c (expand_return): Conditionize tail recursion by
3769 flag_optimize_sibling_calls.
3771 2000-03-29 Richard Henderson <rth@cygnus.com>
3773 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3774 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3776 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3778 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3780 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3782 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3784 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3785 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3786 * config/rs6000/aix.h: then modified likewise.
3788 2000-03-28 Richard Henderson <rth@cygnus.com>
3790 * rtl.h: Redistribute enum reg_note documentation.
3791 Kill trailing whitespace.
3792 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3793 Kill trailing whitespace.
3795 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3797 * cppfiles.c (hash_IHASH): Just return i->hash.
3798 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3799 htab_find_with_hash.
3800 (cpp_read_file): Likewise.
3801 (find_include_file): Likewise. Properly initialize
3802 ih->nshort. Share ih->name and ih->nshort if possible.
3803 * cpphash.c (_cpp_calc_hash): New function.
3804 (hash_HASHNODE): Just return h->hash.
3805 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3806 htab_find_with_hash.
3807 * cpphash.h: Prototype _cpp_calc_hash.
3808 * cppinit.c (initialize_builtins): Provide a valid hash
3809 to _cpp_make_hashnode, using _cpp_calc_hash.
3811 * cpphash.c (collect_expansion): # is not a special character
3812 in object-like macros. In -traditional mode, /**/ is not
3813 token paste at the beginning or end of the line.
3814 * cpplib.c (do_include, do_import, do_include_next): If
3815 parse_include fails, return immediately.
3817 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3819 * config/arm/arm.md (return peepholes): Update to reflect the new
3821 * config/arm/arm.c (arm_volatile_func): Also check
3822 current_function_nothrow.
3823 (output_return_instruction, output_func_prologue): Use it.
3824 (arm_output_epilogue, arm_expand_prologue): Likewise.
3826 2000-03-27 Tom Tromey <tromey@cygnus.com>
3828 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3831 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3833 * expr.c (store_constructor): SIZE now signed.
3834 For EXPR_SIZE, don't evaluate size; just needed if constant.
3835 * fold-const.c (fold): Fix a number of cases when folded tree is
3837 * function.c (flush_addressof): Reenable.
3838 * tree.h (flush_addressof): Likewise.
3839 * toplev.c (independent_decode_option): Look at strings_processed.
3840 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3842 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3844 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3845 Allow stack adjustment after function call.
3847 * regmove.c (struct csa_memlist): Make mem field rtx *.
3848 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3849 (try_apply_stack_adjustment): Replace whole MEM rtx.
3850 (combine_stack_adjustments_for_block): Update calls
3851 to record_one_stack_ref.
3853 2000-03-28 Neil Booth <NeilB@earthling.net>
3855 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3856 '\\' rather than a null character, so nulls are not special. Fix
3857 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3858 speed trigraph conversion.
3859 (_cpp_init_input_buffer): Initialize trigraph map.
3861 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3863 * config/i386/i386.c (output_387_binary_op): Correct intel
3864 mode assembly output, and add spaces after commas in AT&T
3865 output. Correct Unixware assembler comment. Document input
3866 constraints. Comment fp operations. Reduce profligate buffer
3867 size. Remove extraneous abort. Localize temp var.
3868 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3869 (output_fix_trunc): Add spaces after commas in assembly output.
3871 2000-03-27 Richard Henderson <rth@cygnus.com>
3873 * i386-protos.h (ix86_match_ccmode): Declare.
3874 * i386.c (ix86_match_ccmode): New.
3875 (ix86_expand_fp_compare): Update for pattern renames.
3876 (ix86_expand_strlensi_unroll_1): Likewise.
3877 * i386.h (EXTRA_CC_MODES): Add CCZ.
3878 (SELECT_CC_MODE): Use it for EQ/NE zero.
3879 * i386.md (cmpsi_ccz_1): New.
3881 (*testsi_ccz_1): New.
3882 (testqi_ccz_1): New.
3883 (cmpsi_ccno_1): Rename from cmpsi_0.
3884 (testsi_ccno_1): Rename from testsi_1.
3885 (testqi_ccno_1): Rename from testqi_1.
3886 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3887 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3888 (*cmphi_0): Use ix86_match_ccmode.
3889 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3890 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3891 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3892 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3893 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3894 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3895 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3896 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3897 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3898 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3899 (appropriate peepholes): Likewise.
3900 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3901 (*subsi_3, *subhi_3, *subqi_3): Remove.
3902 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3903 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3904 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3905 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3906 (x86_shift_adj_1): Use CCZ.
3907 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3909 2000-03-27 Stan Cox <scox@cygnus.com>
3911 * resource.h (mark_resource_type): New.
3912 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3913 find_free_register): Use mark_resource_type.
3914 (mark_set_resources): Change include_delayed_effects
3915 to mark_resource_type.
3916 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3917 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3918 Use mark_resource_type.
3920 2000-03-27 Richard Henderson <rth@cygnus.com>
3922 * i386.md (call_pop_0, call_value_pop_0): New.
3923 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3924 (call_value_pop_1): Likewise.
3925 (call_0, call_value_0): New.
3926 (call_1, call_value_1): Remove constraint from unused arg.
3928 2000-03-27 Nick Clifton <nickc@cygnus.com>
3930 * invoke.texi (Spec Files): Document new spec % command created by
3931 Tom Tromey's recent patch.
3933 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3935 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3938 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3940 * expr.c (expand_assignment): Fix typo in last change.
3942 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3944 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3946 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3947 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3948 and DECL_INLINE if FUNCTION_DECL.
3949 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3950 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3951 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3952 (combine_parm_decls): Likewise.
3953 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3954 * print-tree.c (print_node): Likewise.
3955 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3956 DECL_TRANSPARENT_UNION on proper decl types.
3957 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3958 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3959 DECL_BIT_FIELD of FIELD_DECL.
3960 * tree.h (DECL_RESULT_FLD): New macro.
3962 * expr.c (expand_assignment): Add code to handle variable-sized
3965 2000-03-26 Richard Henderson <rth@cygnus.com>
3967 * calls.c (expand_call): Pass parms not original exp to
3968 optimize_tail_recursion. Mind return value instead of looking
3970 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3971 call_expr. Move checks for call_expr and current_function_decl ...
3972 (expand_return): ... here.
3974 2000-03-26 Tom Tromey <tromey@cygnus.com>
3976 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3977 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3979 (process_command): Use them.
3980 (check_live_switch): Likewise.
3981 (give_switch): Skip ignored switches.
3983 2000-03-26 Jan Hubicka <jh@suse.cz>
3985 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3986 for minimal jump pass test.
3988 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3990 * integrate.c (function_cannot_inline_p): Do inline functions that
3993 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3995 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3996 now a list of TREE_LIST entries, not types.
3997 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3999 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4000 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4002 * config/mips/mips.c (function_arg): Likewise; also remove cast
4003 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4004 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4005 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4006 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4007 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4008 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4009 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4010 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4011 num_adjusts now unsigned.
4012 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4013 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4015 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4016 as is BITPOS variable; use host_integerp and int_bit_position.
4017 (function_arg_record_value_2): Likewise.
4018 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4019 Variable REGNO now unsigned.
4020 (function_arg_record_value): NREGS now unsigned.
4022 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4024 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4026 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4028 * Rework fields used to describe positions of bitfields and
4029 modify sizes to be unsigned and use HOST_WIDE_INT.
4030 * alias.c (reg_known_value_size): Now unsigned.
4031 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4032 (really_start_incremental_init): Use bitsize_zero_node.
4033 (push_init_level, pop_init_level, output_init_element): Likewise.
4034 Use bitsize_unit_node and bitsize_one_node.
4035 (output_pending_init_elements, process_init_element): Likewise.
4036 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4037 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4038 HOST_WIDE_INT, respectively.
4039 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4040 (num_sign_bit_copies): Returns unsigned.
4041 BITWIDTH now unsigned; rework arithmetic.
4042 Remove recursive call from arg to MAX.
4043 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4044 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4046 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4047 (find_split_point, expand_compound_operation, make_extraction): LEN
4048 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4049 (make_field_assignment): Likewise.
4050 (combine_simplify_rtx): Add cast.
4051 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4052 (force_to_mode): WIDTH now unsigned; add cast.
4053 (if_then_else_cond): SIZE now unsigned.
4054 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4055 (extended_count): Now returns unsigned.
4056 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4057 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4058 (simplify_comparison): MODE_WIDTH now unsigned.
4059 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4060 (mark_used_regs_combine): Likewise; rework arithmetic.
4061 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4062 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4063 (record_promoted_value): REGNO now unsigned.
4064 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4065 (get_last_value): REGNO now unsigned.
4066 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4067 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4068 (remove_death): Arg REGNO now unsigned.
4069 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4070 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4072 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4073 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4074 (struct cse_reg_info): REGNO now unsigned.
4075 (cached_regno): Now unsigned.
4076 (REGNO_QTY_VALID_P): Add cast.
4077 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4078 (remove_invalid_regs): Likewise.
4079 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4080 as are variables END and I.
4081 (get_cse_reg_info, insert): Likewise.
4082 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4083 (canon_hash): Likewise.
4084 (insert_regs, lookup_for_remove): REGNO now unsigned.
4085 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4087 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4088 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4089 * emit-rtl.c (subreg_realpart_p): Add cast.
4090 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4091 (operand_subword_force): Arg I is now unsigned.
4092 * except.c (eh_regs): Variable I is now unsigned.
4093 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4094 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4095 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4096 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4097 (extract_split_bit_field, store_bit_field, extract_bit_field):
4099 * expr.c (store_constructor_fields, store_constructor, store_field):
4100 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4101 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4102 (do_jump): Likewise.
4103 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4104 MAX_SIZE is now unsigned.
4105 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4106 (emit_group_store): Likewise.
4107 (emit_move_insn): I now unsigned.
4108 (store_constructor): Use host_integerp, tree_low_cst, and
4110 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4111 Rework all calculations to use trees and new fields.
4112 * expr.h (promoted_input_arg): Regno now unsigned.
4113 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4114 (mark_seen_cases): Arg is HOST_WIDE_INT.
4115 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4116 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4117 precisions and alignments are unsigned.
4118 (optimize_bit_field_compare, fold_truthop): Likewise.
4119 (int_const_binop): Adjust threshold for size_int_type_wide call.
4120 (fold_convert): Likewise.
4121 (size_int_type_wide): Make table larger and fix thinko that only
4122 had half of table used.
4123 (all_ones_mask_p, fold): Precisions are unsigned.
4124 * function.c (put_reg_info_stack): REGNO is unsigned.
4125 (instantiate_decl): Size is HOST_WIDE_INT.
4126 (instantiate_virtual_regs): I is unsigned.
4127 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4128 (promoted_input_arg): REGNO is unsigned.
4129 * function.h (struct function): x_max_parm_reg is now unsigned.
4130 * gcse.c (max_gcse_regno): Now unsigned.
4131 (struct null_pointer_info): min_reg and max_reg now unsigned.
4132 (lookup_set, next_set): REGNO arg now unsigned.
4133 (compute_hash_table): REGNO and I now unsigned.
4134 (handle_avail_expr): regnum_for_replacing now unsigned.
4135 (cprop_insn): REGNO now unsigned.
4136 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4137 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4138 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4139 * hard-reg-set.h (reg_class_size): Now unsigned.
4140 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4141 * jump.c (mark_modified_reg): I now unsigned; add cast.
4142 (rtx_equal_for_thread_p): Add cast.
4143 * loop.c (max_reg_before_loop): Now unsigned.
4144 (struct_movable): REGNO now unsigned.
4145 (try_copy_prop): REGNO arg unsigned.
4146 (regs_match_p): XN and YN now unsigned.
4147 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4148 (strength_reduce): Likewise; NREGS also unsigned.
4149 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4150 * loop.h (struct iv_class): REGNO now unsigned.
4151 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4153 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4154 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4155 * optabs.c (expand_binop): I and NWORDS now unsigned.
4156 (expand_unop): I now unsigned.
4157 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4158 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4159 * real.c (significand_size): Now returns unsigned.
4160 * real.h (significand_size): Likewise.
4161 * regclass.c (reg_class_size): Now unsigned.
4162 (choose_hard_reg_mode): Both operands now unsigned.
4163 (record_reg_classes): REGNO and NR now unsigned.
4164 (reg_scan): NREGS now unsigned.
4165 (reg_scan_update): old_max_regno now unsigned.
4166 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4167 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4168 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4169 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4170 Likewise for variable R.
4171 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4172 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4173 (find_equiv_reg): Add casts.
4174 (regno_clobbered_p): Arg REGNO now unsigned.
4175 * reload.h (struct reload): NREGS now unsigned.
4176 (refers_to_regno_for_reload_p): Regno args are unsigned.
4177 (regno_clobbered_p): Likewise.
4178 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4179 (compute_use_by_pseudos): REGNO now unsigned.
4180 (find_reg): I and J now unsigned, new variable K, and change loop
4181 variables accordingly; THIS_NREGS now unsigned.
4182 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4183 (spill_hard_reg): REGNO arg now unsigned; add casts.
4184 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4185 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4186 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4187 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4188 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4189 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4190 (emit_reload_insns): REGNO now unsigned.
4191 (reload_cse_move2add): Add cast.
4192 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4194 * resource.c (mark_referenced_resources, mark_set_resources): New
4195 variable R; REGNO and LAST_REGNO now unsigned.
4196 (mark_target_live_regs): J and REGNO now unsigned.
4197 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4198 * rtl.h (union rtunion_def): New field rtuint.
4199 (XCUINT): New macro.
4200 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4201 (operand_subword, operand_subword_force): Word number is unsigned.
4202 (choose_hard_reg_mode): Operands are unsigned.
4203 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4204 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4205 (regno_use_in, combine_instructions, remove_death): Likewise.
4206 (reg_scan, reg_scan_update): Likewise.
4207 (extended_count): Return is unsigned.
4208 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4209 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4210 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4211 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4212 (reg_reg_last_1): FIRS and LAST now unsigned.
4213 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4214 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4216 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4217 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4218 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4219 (replace_regs): Arg NREGS now unsigned.
4220 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4221 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4222 (simplify_binary_operation): Likewise.
4223 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4224 THIS_LAST now unsigned.
4225 (cselib_record_set): Add cast.
4226 * ssa.c (ssa_max_reg_num): Now unsigned.
4227 (rename_block): REGNO now unsigned.
4228 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4230 (all_cases_count): Just return -1 not -2.
4231 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4232 Rework tests to use trees whenever possible.
4233 Use host_integerp and tree_low_cst.
4234 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4235 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4236 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4237 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4238 (smallest_mode_for_size): Likewise.
4239 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4240 KNOWN_ALIGN is now an alignment, so simplify code.
4241 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4242 (start_record_layout): Renamed from new_record_layout_info.
4243 Update to new fields.
4244 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4246 (place_union_field): Renamed from layout_union_field.
4247 Update to use new fields in rli.
4248 (place_field): Renamed from layout_field.
4249 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4250 (finalize_record_size): Rework to use new fields in rli and handle
4252 (compute_record_mode): Rework to simplify and to use new DECL fields.
4253 (finalize_type_size): Make rounding more consistent.
4254 (finish_union_layout): Deleted.
4255 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4256 (layout_type, case RECORD_TYPE): Call new function names.
4257 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4258 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4259 (get_best_mode): UNIT is now unsigned; remove casts.
4260 * tree.c (bit_position): Compute from new fields.
4261 (byte_position, int_byte_position): New functions.
4262 (print_type_hash_statistics): Cast to remove warning.
4263 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4264 (build_index_type): Likewise; make subtype of sizetype.
4265 (build_index_2_type): Pass sizetype to build_range_type.
4266 (build_common_tree_nodes): Use size_int and bitsize_int to
4267 initialize nodes; add bitsize_{zero,one,unit}_node.
4268 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4269 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4270 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4271 (DECL_FIELD_BITPOS): Deleted.
4272 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4273 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4274 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4275 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4276 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4277 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4278 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4279 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4280 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4281 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4282 (DECL_ALIGN): Adjust to new field in union.
4283 (DECL_OFFSET_ALIGN): New field.
4284 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4285 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4286 (union tree_decl): Add struct for both aligns.
4287 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4288 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4289 (struct record_layout_info): Rework fields to have offset
4290 alignment and byte and bit position.
4291 (start_record_layout, place_field): Renamed from old names.
4292 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4293 (byte_position, int_byte_position): Likewise.
4294 (get_inner_reference): Change types of position and length.
4295 * unroll.c (unroll_loop): New variable R; use for some loops.
4296 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4297 (calculate_giv_inc): Arg REGNO now unsigned.
4298 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4299 * varasm.c (assemble_variable): Clean up handling of size using
4300 host_integerp and tree_low_cst.
4301 (decode_addr_const): Use byte, not bit, position.
4302 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4303 use tree_low_cst and int_bit_position.
4304 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4306 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4308 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4309 (reorder_block_def): New members eff_head and eff_end.
4310 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4311 (verify_insn_chain): New function.
4312 (skip_insns_between_block): Add code to skip deleted insns.
4313 Check for note before using.
4314 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4315 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4316 Check for note before using.
4317 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4318 (fixup_reorder_chain): Restructure, clean up, defect removal.
4319 (reorder_basic_blocks): Remove last_insn and references to it.
4320 Moved insn chain verification code into a new function (see above).
4321 Delete defective code that sets last insn.
4322 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4325 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4327 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4329 2000-03-24 Richard Henderson <rth@cygnus.com>
4331 * tree.c (lang_safe_for_unsave): Remove.
4332 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4333 allowing for two levels of unsafeness. Remove lang hook.
4334 * tree.h: Update declarations.
4335 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4336 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4337 Always fail sibcalls when there are pending cleanups.
4339 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4341 * flow.c (propagate_block): When we delete an ADDR_VEC,
4342 also delete the BARRIER following it if there is one.
4344 2000-03-24 Richard Henderson <rth@cygnus.com>
4346 * builtins.c (expand_builtin_bzero): Convert `length' argument
4349 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4351 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4352 comparison if regno's are equal.
4353 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4354 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4355 (expand_call): Update caller.
4356 Avoid making a sibling call if argument size of the callee is larger
4357 than argument size of the caller.
4358 Call hard_function_value with outgoing set if in sibcall pass.
4359 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4361 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4362 Change LEAF_REGISTERS from an array initializer to actual array
4363 identifier. Move static global variable into the function.
4364 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4365 sequences for leaf functions.
4366 * global.c (global_alloc): Likewise.
4367 * tm.texi (LEAF_REGISTERS): Update documentation.
4369 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4370 TARGET_FLAT leaf disabling hack.
4371 (LEAF_REGISTERS): Changed from an array initializer to actual array
4372 identifier to avoid duplication and remove the above hack.
4373 (FUNCTION_OK_FOR_SIBCALL): Define.
4374 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4375 always like call attribute.
4376 (eligible_for_sibcall_delay): New attribute.
4377 (sibcall): New delay type.
4378 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4379 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4380 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4381 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4382 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4384 (output_function_epilogue): Move part of the code into
4385 output_restore_regs.
4386 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4388 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4391 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4392 until infrastructure is finished.
4394 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4396 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4397 (save_parm_insns): Not here.
4399 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4401 * builtins.c (expand_builtin_bzero): New function.
4402 (expand_builtin): Handle bzero.
4404 * builtins.def: Add BUILT_IN_BZERO.
4406 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4407 prototype & function for bzero.
4409 2000-03-23 Michael Meissner <meissner@redhat.com>
4411 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4412 change adding TARGET_FP to the TF floating point insns, except for
4413 trunctfsf2, which generates direct calls to truncdfsf2.
4415 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4417 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4418 try to protect against middle-end changes that break binary
4420 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4422 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4424 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4426 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4428 * calls.c (expand_call): If TARGET is passed by reference and
4429 is readonly, write a CLOBBER.
4431 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4433 * builtins.c (expand_builtin): Handle bcmp.
4435 * builtins.def: Add BUILT_IN_BCMP.
4437 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4438 prototype & function for bcmp.
4440 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4442 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4443 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4444 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4446 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4448 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4449 alternative when using -fp64 -gp32.
4451 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4453 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4454 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4455 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4457 * frame.h (frame_state): Revert last change.
4458 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4459 * libgcc2.c (throw_helper): Revert last change.
4461 2000-03-22 Richard Henderson <rth@cygnus.com>
4463 * stmt.c (expand_asm_operands): Don't promote the temporary.
4465 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4467 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4468 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4469 c_get_alias_set): Likewise.
4470 * c-decl.c (duplicate_decls): Likewise.
4471 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4472 * calls.c (initialize_argument_information): Likewise.
4473 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4475 * dwarfout.c (decl_class_context,output_type): Likewise.
4476 * expr.c (get_inner_reference): Likewise.
4477 * fold-const.c (simple_operand_p,fold): Likewise.
4478 * function.c (aggregate_value_p): Likewise.
4479 * stmt.c (expand_asm_operands): Likewise.
4480 * varasm.c (named_section): Likewise.
4482 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4484 Implement dwarf2 exception handling for the ARM.
4485 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4486 (DWARF_FRAME_RETURN_COLUMN): Define.
4487 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4488 REG_FRAME_RELATED_EXPR note.
4489 (emit_sfm): Likewise.
4490 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4491 * dwarf2out.c (reg_save): Handle saving a register to itself.
4492 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4493 * except.c (eh_regs): Don't use the static chain reg if it's
4495 * frame.h (frame_state): Add cfa_saved field.
4496 * frame.c (execute_cfa_insn): Set it.
4497 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4499 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4501 (instantiate_virtual_regs): Adjust.
4503 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4504 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4505 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4507 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4508 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4510 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4512 * builtins.def: New file.
4514 * Makefile.in (TREE_H): Depend on builtins.def.
4516 * builtins.c (built_in_names): Use builtins.def.
4518 * tree.h (built_in_function): Likewise.
4520 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4522 * tree.c (size_in_bytes): Return size_zero_node, not
4525 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4527 * config/fp-bit.c (pack_d): Correct the case when a denormal
4528 is rounded up and stops being denormal.
4530 2000-03-21 Richard Henderson <rth@cygnus.com>
4532 * config/alpha/alpha.c (function_arg): Check for void_type_node
4533 before using MUST_PASS_IN_STACK.
4535 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4537 * regmove.c (combine_stack_adjustments_for_block): Check that
4538 the stack pointer is a valid memory address.
4540 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4542 * calls.c: re-install Mar 16 emit_library_call merge.
4544 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4546 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4547 we cannot be sure that if reload_completed base register will
4548 be properly aligned.
4550 2000-03-21 Richard Henderson <rth@cygnus.com>
4552 * flow.c (delete_block): Fix typo last change.
4554 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4556 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4557 not COMPLETE_TYPE_P, to check the type of the expression.
4559 2000-03-21 Michael Meissner <meissner@redhat.com>
4561 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4562 all floating point insns that just tested the macro
4563 TARGET_HAS_XFLOATING_LIBS.
4564 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4565 used to only use the gprs.
4567 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4569 * tree.h (COMPLETE_TYPE_P): New macro.
4570 (COMPLETE_OR_VOID_TYPE_P): New macro.
4571 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4572 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4573 * c-aux-info.c (gen_type): Use them.
4574 * c-common.c (c_expand_expr_stmt): Likewise.
4575 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4576 grokdeclarator, grokparms, finish_struct, start_function,
4577 store_parm_decls, combine_parm_decls): Likewise.
4578 * c-parse.y (cast_expr): Likewise.
4579 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4580 c_size_in_bytes, c_alignof, build_component_ref,
4581 build_indirect_ref, build_array_ref, convert_arguments,
4582 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4583 * calls.c (initialize_argument_information): Likewise.
4584 * convert.c (convert_to_integer): Likewise.
4585 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4586 * dwarfout.c (location_or_const_value_attribute,
4587 output_enumeration_type_die, output_structure_type_die,
4588 output_union_type_die, output_type): Likewise.
4589 * expr.c (safe_from_p, expand_expr): Likewise.
4590 * function.c (assign_parms): Likewise.
4591 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4592 * tree.c (build_array_type, build_function_type,
4593 build_method_type, build_offset_type, build_complex_type): Likewise.
4594 * c-parse.c, c-parse.h: Regenerated.
4596 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4598 * config/c4x/rtems.h: Include config/rtems.h.
4600 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4602 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4603 decl is a FUNCTION_DECL
4605 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4607 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4608 function uses output registers. Don't save RP for leaf functions.
4609 Do save RP even if no epilogue.
4610 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4611 (CALL_USED_REGISTERS): Unmark in registers.
4612 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4615 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4617 * config/rs6000/rs6000.md (bunordered): New expander.
4618 (bordered): New expander.
4619 (buneq): New expander.
4620 (bunge): New expander.
4621 (bungt): New expander.
4622 (bunle): New expander.
4623 (bunlt): New expander.
4624 (bltgt): New expander.
4626 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4627 (ccr_bit_negated_p): New function.
4628 (print_operand): For %C, generate appropriate cror for UNEQ,
4629 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4631 2000-03-20 Andreas Jaeger <aj@suse.de>
4633 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4636 * tree.h (safe_for_unsave): Prototype.
4638 2000-03-20 Richard Henderson <rth@cygnus.com>
4640 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4641 (combine_stack_adjustments_for_block): Don't allow sp references
4642 in the side of a set we're not fixing up.
4643 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4644 after life_analysis.
4646 2000-03-20 Richard Henderson <rth@cygnus.com>
4648 * calls.c (expand_call): Don't bother generating tail call
4649 sequences if there are pending cleanups. Use
4650 expand_start_target_temps/expand_end_target_temps to elide
4651 cleanups created during sibcall expansion.
4653 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4655 * configure.in: Set $IFS to a value if it doesn't already have one
4656 in the --enable-checking handling.
4657 * configure: Regenerate.
4659 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4661 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4662 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4665 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4667 * jump.c (delete_noop_moves): Remove code attempting to
4668 combine stack adjustments.
4670 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4672 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4673 * except.c (emit_cleanup_handler): Use them.
4674 (expand_end_all_catch): Likewise.
4675 * function.c (fixup_var_refs): Likewise.
4676 (expand_function_end): Clear catch_clauses_last.
4677 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4678 * except.h (struct eh_status): New field x_catch_clauses_last.
4679 (catch_clauses_last): New define.
4681 * Makefile.in (tree.o): Depend on HASHTAB_H.
4682 * tree.c: Include hashtab.h.
4683 (struct type_hash): Remove next field.
4684 (TYPE_HASH_SIZE): Remove.
4685 (TYPE_HASH_INITIAL_SIZE): New define.
4686 (type_hash_table): Change type to htab_t.
4687 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4688 mark_hash_entry): New functions.
4689 (init_obstacks): Allocate type hash.
4690 (type_hash_lookup): Use htab functions.
4691 (type_hash_add, mark_type_hash): Likewise.
4692 (dump_tree_statistics): Call print_type_hash_statistics.
4694 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4696 * rs6000/t-aix41: New file.
4698 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4700 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4702 * tm.texi (Driver): Fix typos and tweak entry for
4704 Move misplaced STRUCT_FORCE_BLK entry ...
4705 (Storage Layout): ... to here.
4706 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4708 2000-03-19 Richard Henderson <rth@cygnus.com>
4710 * flow.c (delete_block): Delete the addr_vec along with the block.
4711 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4714 * fold-const.c (extract_muldiv): Apply type check for defined
4715 overflow to multiply as well as divide.
4717 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4719 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4721 * emit-rtl.c (remove_unncessary_notes): Check that all
4722 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4723 associated NOTE_BLOCK.
4724 * function.h (identify_blocks): Update comments.
4725 (reorder_blocks): Declare.
4726 * function.c (identify_blocks): Don't take paramters.
4727 (reorder_blocks): Don't take parameters.
4728 * loop.h (find_loop_tree_blocks): Remove.
4729 (unroll_block_trees): Likewise.
4730 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4731 reorder_blocks instead of unroll_block_trees.h
4732 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4733 * stmt.c (find_loop_tree_blocks): Remove.
4734 (unroll_block_trees): Likewise.
4735 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4736 in whole-function mode.
4737 * tree.h (reorder_blocks): Remove declaration.
4739 * expr.c: Include intl.h.
4740 * Makefile.in (expr.o): Depend on intl.h.
4742 2000-03-18 Richard Henderson <rth@cygnus.com>
4744 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4746 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4748 * tree.h (tree_index): Remove enumerals for integer types.
4749 (integer_type_kind): New type.
4750 (integer_types): New variable.
4751 (char_type_node): Adjust.
4752 (signed_char_type_node): Likewise.
4753 (unsigned_char_type_node): Likewise.
4754 (short_integer_type_node): Likewise.
4755 (short_unsigned_type_node): Likewise.
4756 (integer_type_node): Likewise.
4757 (unsigned_type_node): Likewise.
4758 (long_integer_type_node): Likewise.
4759 (long_unsigned_type_node): Likewise.
4760 (long_long_integer_type_node): Likewise.
4761 (long_long_unsigned_type_node): Likewise.
4762 * tree.c (integer_types): New variable.
4763 (init_obstacks): Register it as a root.
4765 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4767 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4768 NEXT_INSN. Update last insn in chain.
4770 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4772 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4773 with TYPE_DECL_SUPPRESS_DEBUG set.
4775 2000-03-18 Richard Henderson <rth@cygnus.com>
4777 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4779 2000-03-18 Richard Henderson <rth@cygnus.com>
4781 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4782 care for HALF_PIC_P.
4783 (expander_call_insn_operand): Remove.
4784 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4785 * i386.h (PREDICATE_CODES): Update.
4786 * i386.md (all call expanders): Remove predicates, remove special
4787 handling for half-pic.
4788 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4789 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4790 (sibcall_epilogue): New.
4792 2000-03-17 Richard Henderson <rth@cygnus.com>
4794 * rtlanal.c (single_set): Reject if the parallel has anything
4795 except SET or USE or CLOBBER.
4797 2000-03-17 Jeff Law <law@cygnus.com>
4798 Richard Henderson <rth@cygnus.com>
4800 * Makefile.in (OBJS): Add sibcall.o.
4802 * sibcall.c: New file.
4803 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4804 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4805 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4806 Emit sibcall patterns when requested. Update all callers.
4807 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4808 elimination seems feasable.
4809 * final.c (leaf_function_p): Sibling calls don't discount being
4811 * flow.c (HAVE_sibcall_epilogue): Provide default.
4812 (find_basic_blocks_1): Sibling calls don't throw.
4813 (make_edges): Make edge from sibling call to EXIT.
4814 (propagate_block): Don't remove sibcall_epilogue insns.
4815 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4816 (sibcall_epilogue): New.
4817 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4818 (identify_blocks_1): Likewise. Break out from ...
4819 (identify_blocks): ... here.
4820 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4821 (reorder_blocks): ... here.
4822 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4823 (record_insns): Extend a varray instead of mallocing new memory.
4824 (contains): Read a varray not array of ints.
4825 (sibcall_epilogue_contains): New.
4826 (thread_prologue_and_epilogue_insns): Emit and record
4827 sibcall_epilogue patterns.
4828 (init_function_once): Allocate prologue/epilogue varrays.
4829 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4830 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4832 (save_for_inline_nocopy): ... here.
4833 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4835 (expand_inline_function): ... here.
4836 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4837 (subst_constants): Handle 'n' formats.
4838 * jump.c (jump_optimize_minimal): New.
4839 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4840 optimizations if it's set.
4841 * rtl.c (copy_rtx): Do copy jump & call for insns.
4842 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4843 (SIBLING_CALL_P): New.
4844 (sibcall_use_t): New.
4845 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4846 Invoke optimize_sibling_and_tail_recursive_calls.
4847 * tree.c (lang_safe_for_unsave): New.
4848 (safe_for_unsave): New.
4849 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4851 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4852 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4853 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4855 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4857 * objc/objc-act.c (encode_method_prototype): Pass types, not
4858 PARM_DECLs, to int_size_in_bytes.
4860 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4862 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4864 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4865 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4867 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4869 * Clean up usages of TREE_INT_CST_LOW.
4870 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4871 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4873 * c-tree.h (min_precision): Move declaration to here.
4874 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4875 (build_unary_op, add_pending_init): Use bit_position.
4876 (pending_init_member, process_init_element): Likewise.
4877 (really_start_incremental_init, push_init_level, pop_init_level):
4878 Don't make copies of nodes or modify them in place, use consistent
4879 types when tracking positions, and use tree routines computations.
4880 (set_init_index, output_init_element): Likewise.
4881 (output_pending_init_elements, process_init_element): Likewise.
4882 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4883 tree_low_cst and int_bit_position; also minor cleanup.
4884 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4885 (print_cst_octal): Precision is unsigned.
4886 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4887 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4888 (simple_type_align_in_bits): Result is unsigned int.
4889 Use tree_int_low_cst and host_integerp.
4890 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4891 (field_byte_offset): Result is HOST_WIDE_INT.
4892 Change types of internal variables so alignments are unsigned int,
4893 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4894 Use host_integerp, tree_low_cst, and int_bit_position.
4895 (add_bit_offset_attribute): Likewise.
4896 (add_data_member_location_attribute): Use tree_cst_low.
4897 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4898 (add_bit_size_attribute): Use tree_low_cst.
4899 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4900 * dwarfout.c: Similar changes to dwarf2out.c.
4901 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4902 * genoutput.c (n_occurences): Return -1 for null string.
4903 (strip_whitespace): Accept null string and make into function.
4904 (scan_operands): Reflect above changes.
4905 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4906 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4907 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4908 * tree.c (int_size_in_bytes): Check for too big to represent.
4909 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4910 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4912 (min_precision): Delete from here.
4913 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4914 and int_bit_position.
4915 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4916 (encode_method_def): Likewise.
4917 (build_ivar_list_initializer): Use int_bit_position.
4918 (generate_shared_structures): Convert size.
4919 (encode_type, encode_complete_bitfield): Use integer_zerop.
4920 (encode_bitfield): Use tree_low_cst and int_bit_position.
4922 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4924 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4926 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4928 * call.c (special_function_p): It is only malloc if it returns
4931 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4933 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4934 (C33_FLAG, TARGET_C3X): Add macros.
4935 (TARGET_SWITCHES): Add -m33 option.
4936 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4938 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4940 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4941 (PARALLEL_PACK_FLAG): Delete.
4942 (TARGET_SWITCHES): Update.
4943 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4945 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4947 * fold-const.c (fold): Fix a few cases when the returned result
4948 is not of the same type as the input.
4950 2000-03-16 Nick Clifton <nickc@cygnus.com>
4952 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4955 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4957 * libgcc2.h: Move prototypes above macros with the same name.
4958 Wrap some function prototypes in the conditional which indicates
4959 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4961 2000-03-16 Richard Henderson <rth@cygnus.com>
4963 * calls.c: Revert last two changes.
4965 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4967 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4968 has exponent 0 is a zero.
4970 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4971 HASH may already be nonzero. Add code/mode into hash value
4972 immediately after repeat label.
4973 (cselib_lookup): Don't leave the hash table in an inconsistent
4974 state before a hash lookup operation.
4976 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4978 * i386.md (all HI and QI mode non-move patterns): Conditionize
4979 by TARGET_[HQ]IMODE_MATH.
4980 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4981 x86_promote_qi_regs): Declare.
4982 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4983 TARGET_PROMOTE_QI_REGS): New macros.
4984 (PROMOTE_MODE): New macro.
4985 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4986 x86_promote_qi_regs): New global variables.
4988 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4990 * calls.c (emit_library_call_value_1): Break out from ...; handle
4991 VOIDmode function calls too.
4992 (emit_library_call_value): ... here.
4993 (emit_library_call): Implement by calling emit_library_call_value_1.
4995 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4997 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4998 Update arg_space_so_far on stack adjustments.
4999 (emit_library_call, emit_library_call_value): Likewise; take into
5000 account arg_space_so_far and pending_stack_adjust when calculcating
5003 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5005 * flow.c: Move all basic block reordering code into its own file.
5006 (create_basic_block): Externalize.
5007 * bb-reorder.c: New file. Copy all basic block reordering code from
5008 flow.c to this file.
5009 (reorder_basic_blocks): Fix fencepost error in for-loop.
5010 (reorder_basic_blocks): Remove braces from single statement for-loops.
5011 * basic-block.h: Add declaration for create_basic_block.
5012 * Makefile.in: Add rules for bb-reorder.o.
5014 2000-03-16 Neil Booth <NeilB@earthling.net>
5016 * cppinit.c (handle_option): Implement #unassert directive
5017 as -A- command line option.
5018 (print_help): Update.
5019 * cpptexi.c: Update.
5021 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5023 * md.texi (Standard Names): Document `jump'.
5025 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5027 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5030 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5032 Merge changes from newppc-branch onto trunk.
5034 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5036 * rs6000.c (toc_hash_table): Update for new hash table functions.
5037 (toc_hash_function): Likewise.
5038 (toc_hash_eq): Likewise.
5039 (toc_hash_mark_entry): Likewise.
5040 (toc_hash_mark_table): Likewise.
5041 (output_toc): Likewise.
5042 (rs6000_add_gc_roots): Likewise.
5044 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5046 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5047 (AR_FLAGS_FOR_TARGET): here. New macro.
5049 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5051 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5052 fpmem_operand) Delete.
5054 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5055 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5056 (rs6000_save_machine_status, rs6000_restore_machine_status,
5057 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5058 references to above variables.
5059 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5060 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5061 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5062 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5063 (XER_REGNO_P, XER_REGNO): New.
5064 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5065 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5066 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5068 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5069 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5070 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5072 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5074 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5075 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5076 * rs6000.h: from here.
5078 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5079 (rs6000_select_rtx_section): Likewise.
5080 (rs6000_encode_section_info): Likewise.
5081 (sdata_section): Likewise.
5082 (sdata2_section): Likewise.
5083 (sbss_section): Likewise.
5084 * sysv4.h (rs6000_select_section): Delete prototype.
5085 (rs6000_select_rtx_section): Likewise.
5086 (rs6000_encode_section_info): Likewise.
5087 (sdata_section): Likewise.
5088 (sdata2_section): Likewise.
5089 (sbss_section): Likewise.
5090 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5092 * sysv4.h: Delete various unnecessary #undef's and put a comment
5093 on the remaining ones.
5094 Change various comments according to coding standard.
5096 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5098 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5099 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5100 (CR0_REGNO_P) Remove.
5101 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5102 setup_incoming_varargs, mtcrf_operation, print_operand,
5103 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5104 Use the above macros.
5106 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5108 * config/rs6000/rs6000.md: Added a new alternative for each
5109 pattern that had a 'x' alternative but no 'y' alternative.
5110 Added a new split for each of the above patterns.
5112 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5114 * aix41.h (ASM_CPU_SPEC): Delete.
5115 (CPP_CPU_SPEC): Delete.
5117 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5118 (ASM_OUTPUT_LABEL): Define.
5119 (ASM_GLOBALIZE_LABEL): Define.
5120 (STRIP_NAME_ENCODING): Define.
5121 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5122 (STRIP_NAME_ENCODING): Don't define.
5123 (ASM_OUTPUT_LABEL): Don't define.
5124 (ASM_GLOBALIZE_LABEL): Don't define.
5125 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5126 names, and ASM_OUTPUT_LABEL to output labels, rather than
5128 (ASM_OUTPUT_LABEL): Define.
5129 (ASM_OUTPUT_INT): Use assemble_name.
5130 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5131 (STRIP_NAME_ENCODING): Don't undefine first.
5132 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5134 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5135 specified with 'asm' even with -fleading-underscore.
5136 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5137 (output_epilog): Likewise.
5138 (output_toc): Likewise.
5139 * tramp.asm: Handle -fleading-underscore correctly.
5141 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5143 (nonlocal_goto_receiver): Delete.
5144 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5146 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5147 (SET_ASM_OP): Define.
5148 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5150 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5153 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5154 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5156 * rs6000.h: Add 'u' to more constants.
5158 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5160 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5162 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5164 * rs6000.c (reg_or_u_cint_operand): New function.
5165 (logical_operand): Handle 64-bit hosts.
5166 (logical_u_operand): New function.
5167 (non_logical_cint_operand): Handle 64-bit hosts.
5168 (non_logical_u_cint_operand): New function.
5169 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5170 (PREDICATE_CODES): Define new functions.
5171 * rs6000-protos.h: Declare new functions.
5172 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5173 (movdi_64): Bracket code intended for 64-bit hosts. Create
5174 CONST_DOUBLE for 32-bit values.
5175 (scc insns): Generate DImode compares.
5176 (mfcr insns): Create DImode versions.
5177 (sge matchers): New patterns.
5179 2000-02-15 Gabriel Paubert <paubert@iram.es>
5181 * rs6000.md: Correct instructions length attributes and
5182 constraints on unsigned compare instructions.
5183 (*ne0): Disable for PowerPC64.
5185 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5187 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5188 quantity, fix profile1.C test failure under -fPIC.
5190 * rs6000.c: Add 'u' to many constants to suppress warnings.
5191 (constant_pool_expr_1): Make static.
5192 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5193 * rs6000.h: Add 'u' to many constants to suppress warnings.
5195 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5196 for the start of the TOC, instead of LCTOC..0.
5197 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5199 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5200 (load_toc_aix_di): Use LCTOC..1.
5202 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5203 * rs6000.c (rs6000_legitimize_address): New function from
5204 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5205 symbols in the constant pool that really are TOC references.
5206 (print_operand_address): For ELF, write TOC offsets under
5207 -fPIC as subtractions in the insn.
5208 (output_toc): For ELF, define symbols in TOC as normal labels,
5210 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5211 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5212 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5213 * rs6000.md (movsi): Only use create_TOC_reference on
5214 symbols in the constant pool that really are TOC references.
5216 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5217 * rs6000.c (rs6000_reorg): Delete.
5218 * rs6000-protos.h (rs6000_reorg): Delete.
5220 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5222 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5224 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5225 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5226 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5227 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5228 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5229 rs6000_aix_emit_builtin_unwind_init.
5230 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5231 rs6000_emit_eh_toc_restore on AIX.
5232 (return_eh_si): Use r2.
5233 (return_eh_di): Use r2.
5235 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5236 since we're breaking binary compatibility anyway.
5238 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5240 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5241 constant_pool_expr_p): Declare them.
5242 (constant_pool_expr_p): Declare it.
5243 * config/rs6000/rs6000.c (toc_label_name): Define.
5244 (rs6000_override_options): Set toc_label_name.
5245 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5246 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5247 uses_TOC): New functions.
5248 (print_operand): Delete old '*' case.
5249 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5250 and strip off rtl for TOC before calling output_addr_const.
5251 (rs6000_emit_load_toc_table): Use toc_label_name.
5252 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5254 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5255 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5256 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5257 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5258 into explicit TOC_REGISTER offsets.
5259 (TOC_REGISTER): New macro.
5260 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5261 TARGET_TOC to reference TOC_REGISTER.
5262 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5263 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5264 uses_TOC before emitting label references.
5266 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5268 * rs6000.md (stack_tie): Fix warning.
5270 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5271 to handle -fleading-underscore.
5272 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5273 (USER_LABEL_PREFIX): New macro.
5274 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5275 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5276 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5277 call-linux can use the same multilibs.
5278 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5279 and call-linux multilibs. Do multilib with -fleading-underscore.
5280 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5281 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5284 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5285 have MASK_SOFT_FLOAT set.
5286 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5287 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5288 CPP_FLOAT_DEFAULT_SPEC.
5290 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5291 * rs6000.md: Whitespace change.
5292 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5293 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5295 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5297 * rs6000.md (eh_epilogue): New expander.
5298 (eh_reg_restore): New expand/split/insn combination.
5299 (return_eh_si): New insn.
5300 (return_eh_di): New insn.
5302 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5303 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5304 * eabi-ctors.c (__do_global_ctors): Register this object's
5305 frame. Clean up. Call atexit() after the constructors.
5306 (__do_global_dtors): Deregister this object's frame. Clean up.
5307 Allow for recursive calls to exit().
5308 * rs6000.c (fixuplabelno): New variable.
5309 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5310 TARGET_RELOCATABLE, it slows down exec() under linux.
5311 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5313 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5314 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5315 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5316 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5317 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5318 (ASM_OUTPUT_DWARF_ADDR): New macro.
5319 (ASM_OUTPUT_DWARF_DATA4): New macro.
5320 (ASM_OUTPUT_DWARF_DATA2): New macro.
5321 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5322 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5323 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5325 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5327 * rs6000.c (rs6000_sr_alias_set): New variable.
5328 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5329 (rs6000_emit_stack_tie): New function.
5330 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5331 in a way that dwarf2out can understand.
5332 (rs6000_frame_related): New function.
5333 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5334 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5335 Use rs6000_emit_stack_tie when needed.
5336 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5337 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5338 * rs6000.md (stack_tie): New insn.
5339 (return_internal_si): Allow return value to be in the count
5341 (return_internal_di): Likewise.
5343 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5345 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5347 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5349 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5351 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5353 * rs6000.md (stmw): Use the right POWER opcode.
5356 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5358 * rs6000-protos.h: New file.
5360 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5362 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5365 * sysv4.h: Likewise.
5367 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5369 * ../../configure.in: Delete powerpcle-*-winnt*
5370 and powerpcle-*-pe|powerpcle-*-cygwin*.
5371 * ../../configure: Regenerated.
5373 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5374 (TARGET_WINDOWS_NT): Delete.
5376 (CALL_NT_DLLIMPORT): Delete.
5377 Delete NT-specific code.
5378 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5381 * nt-ci.asm: Delete.
5382 * nt-cn.asm: Delete.
5383 * ntstack.asm: Delete.
5385 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5387 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5388 (ASM_FILE_START): Likewise.
5389 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5390 (ASM_OUTPUT_LABELREF): Likewise.
5391 (ASM_OUTPUT_SKIP): Likewise.
5392 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5393 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5394 (ASM_OUTPUT_CASE_LABEL): Likewise.
5395 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5396 (ASM_OUTPUT_ASCII): Likewise.
5398 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5400 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5401 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5402 increment rs6000_pic_labelno here.
5403 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5404 and increment rs6000_pic_labelno here.
5406 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5408 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5409 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5410 allocation knows (reg) is dead before the insn.
5412 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5414 * rs6000.md (movsi_to_cr): Correct typo in output template.
5416 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5418 * rs6000.c (rs6000_pic_labelno): Always define.
5419 (rs6000_pic_func_labelno): Delete.
5420 (lmw_operation): Check for a zero base register,
5421 which doesn't mean what we want.
5422 (stmw_operation): New function.
5423 (print_operand): Define new 'l' modifier.
5424 (rs6000_stack_info): We must save all 64 bits of the registers
5425 if TARGET_POWERPC64.
5426 (rs6000_output_load_toc_table): Delete.
5427 (rs6000_emit_load_toc_table): New function.
5428 (rs6000_allocate_stack_space): Delete.
5429 (rs6000_emit_allocate_stack): New function.
5430 (rs6000_emit_prologue): New function.
5431 (output_prolog): Use rs6000_emit_prologue.
5432 (rs6000_emit_epilogue): Change a few variable names to be
5433 more accurate. Restore all 64 bits of the registers if
5434 TARGET_POWERPC64. Only restore the FP registers which were used
5435 if they are being saved/restored one-at-a-time.
5436 (output_mi_thunk): Delete inefficient code generation.
5437 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5438 * rs6000.h: Declare rs6000_emit_load_toc_table,
5439 rs6000_allocate_stack_space, stmw_operation. Don't declare
5440 rs6000_output_load_toc_table.
5441 * rs6000.md (elf_high): Allow register 0, but discourage it
5443 (elf_low): Support loading into register 0.
5444 (load_toc_aix_si): New pattern.
5445 (load_toc_aix_di): New pattern.
5446 (load_toc_v4_pic_si): New pattern.
5447 (load_toc_v4_pic_di): New pattern.
5448 (load_toc_v4_PIC_1): New pattern.
5449 (load_toc_v4_PIC_1b): New pattern.
5450 (load_toc_v4_PIC_2): New pattern.
5451 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5452 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5453 (prologue): New expander.
5454 (movesi_from_cr): New pattern.
5455 (stmw): New pattern.
5456 (save_fpregs_si): New pattern.
5457 (save_fpregs_di): New pattern.
5459 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5461 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5466 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5468 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5470 (movsi_got_internal): Likewise.
5471 (movsi_got_internal+1): Likewise.
5472 (set_sp): 'unspec 7' does a SImode clobber.
5474 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5476 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5477 allocate a stack temporary.
5478 (floatsidf2_internal): Likewise.
5479 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5481 (floatunssidf2): Don't use the fpmem "register", just
5482 allocate a stack temporary.
5483 (floatunssidf2_internal): Likewise.
5484 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5486 (floatsidf2_loadaddr): Delete.
5487 (floatsidf2_store1): Delete.
5488 (floatsidf2_store2): Delete.
5489 (floatsidf2_load): Delete.
5490 (fix_truncdfsi2): Don't use the fpmem "register", just
5491 allocate a stack temporary.
5492 (fix_truncdfsi2_internal_si): Delete.
5493 (fix_truncdfsi2_internal_di): Delete.
5494 (fix_truncdfsi2_internal): New insn.
5495 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5496 (fix_truncdfsi2_store): Delete.
5497 (fix_truncdfsi2_load): Delete.
5498 (fctiwz): Produce gen_fctiwz.
5500 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5502 * eabi.h (INVOKE__main): Define.
5503 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5505 (rs6000_emit_prologue): Likewise.
5506 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5507 this is the main program.
5509 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5511 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5513 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5515 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5516 goes after the argument.
5518 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5520 * rs6000.md: Document 'unspec' values used.
5521 (epilogue): New expander.
5522 (movesi_to_cr_one): New expander.
5523 (movesi_to_cr and following): New pattern.
5525 (return_internal_si): New pattern.
5526 (return_internal_di): New pattern.
5527 (return_and_restore_fpregs_si): New pattern.
5528 (return_and_restore_fpregs_di): New pattern.
5529 * rs6000.h: Declare new functions.
5530 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5531 rather than rs6000_calls_p.
5532 (rs6000_makes_calls): Delete.
5533 (lmw_operation): New function.
5534 (mtcrf_operation): New function.
5535 (rs6000_emit_epilogue): New function.
5536 (output_epilog): Call rs6000_emit_epilogue and final if
5537 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5539 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5541 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5542 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5543 * aix.h (SUBTARGET_SWITCHES): Document switches.
5544 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5545 sched-prolog and sched-epilog the same. Document all the
5547 (TARGET_OPTIONS): No longer allow -mdebug-.
5549 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5551 * rs6000.h (ASM_FILE_END): Move to aix.h.
5552 (EXTRA_SECTIONS): Move to aix.h.
5553 (READONLY_DATA_SECTION): Move to aix.h.
5554 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5555 (SELECT_SECTION): Move to aix.h.
5556 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5557 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5558 (LINK_REGISTER_REGNUM): New definition.
5559 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5560 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5562 * sysv4.h: Delete the code between the inclusion of rs6000.h
5564 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5565 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5566 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5567 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5568 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5569 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5570 (fix_truncdfsi2_internal_di): New pattern.
5571 (fix_truncdfsi2_store): The second arg here is Pmode too.
5572 (fix_truncdfsi2_load): The second arg here is Pmode too.
5573 (tablejumpdi): Now that switch tables hold only SImode values,
5574 gcc needs to know how to add them to the pc which is DImode.
5575 * rs6000.c (rs6000_stack_info): Use symbolic name for
5576 LINK_REGISTER_REGNUM.
5577 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5578 (output_toc): Delete unused variables s1 and s2.
5579 (output_ascii): Use fputs not fprintf on a variable string.
5581 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5583 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5584 * aix43.h: Revert Aug 2 change.
5585 (HAS_INIT_SECTION): Define, not visible yet.
5586 (LD_INIT_SWITCH): Define, not visible yet.
5587 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5589 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5591 * config/rs6000/rtems.h: Include config/rtems.h.
5593 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5595 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5596 (SLOW_UNALIGNED_ACCESS): Define.
5597 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5598 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5599 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5600 (toc_section): Likewise and .toc pseudo-op.
5601 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5603 (TEXT_SECTION_ASM_OP): Likewise.
5604 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5607 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5609 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5610 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5613 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5615 * rs6000.h: Move more stuff from here...
5617 * sysv4.h: Cleanup accordingly.
5618 * netware.h: Likewise
5620 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5622 * rs6000.h: Continue cleanup.
5625 * netware.h: Likewise.
5627 * sysv4.h: Likewise.
5628 * win-nt.h: Likewise.
5630 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5631 (TARGET_OPTIONS): Likewise.
5633 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5634 (SUBTARGET_OPTIONS): Likewise.
5636 * rs6000.md: Fix compile time warnings.
5638 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5640 vxworks patches from the Cygnus tree originally by
5641 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5642 <vmakarov@cygnus.com>.
5643 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5644 (ENDFILE_SPEC): Likewise.
5645 (LIB_VXWORKS_SPEC): New macro.
5646 (STARTFILE_VXWORKS_SPEC): New macro.
5647 (ENDFILE_VXWORKS_SPEC): New macro.
5648 (LINK_START_VXWORKS_SPEC): New macro.
5649 (LINK_OS_VXWORKS_SPEC): New macro.
5650 (CPP_OS_VXWORKS_SPEC): New macro.
5651 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5652 * vxppc.h: Rewrite to use proper configuration method.
5653 * vxppcle.h: New file.
5654 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5655 * ../../configure: Rebuilt.
5657 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5659 Lots of changes to rs6000.h, sysv4.h, aix.h,
5660 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5661 with the aim that rs6000.h is the first header
5662 included and the others override it.
5665 * x-aix41-gld: Remove.
5667 * x-aix41: Remove target-specific switches, and don't specify
5668 -Wl,-bbigtoc as we don't need it any more.
5669 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5670 Use t-aix43 for AIX 4.3 and above.
5671 * ../../configure: Regenerated.
5673 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5674 options, that don't do anything yet.
5675 (MASK_SCHED_PROLOG): New macro.
5676 (MASK_SCHED_EPILOG): New macro.
5677 (TARGET_SCHED_PROLOG): New macro.
5678 (TARGET_SCHED_EPILOG): New macro.
5680 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5682 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5683 one per translation unit, not one per function.
5684 (output_toc): Also do duplicate constant elimination
5685 for per-translation-unit TOCs.
5687 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5688 a comment explaining _exactly_ when this pattern gets used.
5689 (builtin_setjmp_receiver): New pattern for better clarity.
5690 (init_v4_pic): Move it into a section dealing with TOC registers.
5692 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5694 * rs6000.c (toc_hash_table): New variable.
5695 (rs6000_hash_constant): New function.
5696 (toc_hash_function): New function.
5697 (toc_hash_eq): New function.
5698 (toc_hash_mark_entry): New function.
5699 (toc_hash_mark_table): New function.
5700 (output_toc): Don't output duplicate TOC entries in
5702 (rs6000_add_gc_roots): Add the hash table as a GC root.
5703 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5704 where they clearly shouldn't be. This may need to be fixed
5705 later when there is a GNU ar for AIX.
5706 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5707 Don't define BOOT_LDFLAGS as it is now not necessary.
5709 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5711 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5712 for va_list on AIX. Use unsigned_char_type_node rather than
5713 constructing our own version on svr4.
5715 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5717 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5718 since patently it's not.
5720 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5722 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5723 define_expand/define_insn pair, and handle restore of the
5724 SVR4 -fpic register.
5726 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5728 * acconfig.h (HAVE_GAS_WEAK): New define.
5729 * configure.in (assembler weak support): Check for .weak support.
5730 * config.in, configure: Rebuilt.
5731 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5732 HAVE_GAS_WEAK is defined.
5734 2000-03-15 Nick Clifton <nickc@cygnus.com>
5736 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5739 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5741 * cppfiles.c (open_include_file): New function.
5742 (find_include_file, cpp_read_file): Use it.
5744 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5746 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5748 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5750 * flow.c (verify_flow_info): Check for unconditional return.
5752 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5754 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5755 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5756 (__ia64_restore_stack_nonlocal): New.
5757 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5759 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5761 * cpphash.c (collect_formal_parameters): Do not complain about
5762 parameter names that just start with `__VA_ARGS__'.
5764 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5766 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5767 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5768 * i386.c (pentiumpro_cost): Set mul cost to 4.
5769 (x86_use_movx): Set for PPro.
5771 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5773 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5774 STACK_BOUNDARY for empty frames now.
5776 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5778 * stor-layout.c (layout_union): Remove.
5779 (layout_union_field): New function, split out from layout_union.
5780 (finish_union_layout): Likewise.
5781 (layout_field): Handle unions by calling layout_union_field.
5782 (finish_record_layout): Handle unions.
5783 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5784 QUAL_UNION_TYPE handling.
5786 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5788 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5789 end of basic block is jump_insn, not barrier; use create_basic_block
5790 instead of creating basic block by hand.
5792 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5794 * flow.c (reorder_basic_blocks): Account for barriers when writing
5795 over NEXT_INSN (last_bb->end).
5796 (verify_flow_info): Add check for missing barriers.
5798 2000-03-14 Greg McGary <gkm@gnu.org>
5800 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5801 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5802 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5803 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5804 __unbounded, __unbounded__): New keywords.
5805 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5806 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5807 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5809 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5811 * cselib.h: New file.
5812 * alias.c: Include "cselib.h".
5813 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5814 MEMs as two new arguments.
5815 (get_addr): New static function.
5816 (find_base_term): Handle VALUEs.
5817 (memrefs_conflict_p): Likewise.
5818 (true_dependence): Call get_addr on the addresses.
5819 Call fixed_scalar_and_varying_struct_p with addresses that have been
5820 passed through get_addr and canon_rtx.
5821 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5822 with true_dependence.
5823 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5824 * loop.c: Include "cselib.h".
5825 (load_mems): Process extended basic block that enters the loop with
5826 cselib. Use that information to change initialization of the shadow
5827 register so that a constant equivalence is seen by later passes.
5828 * reload1.c: Include "cselib.h".
5829 (reload_cse_invalidate_regno): Delete function.
5830 (reload_cse_mem_conflict_p): Likewise.
5831 (reload_cse_invalidate_mem): Likewise.
5832 (reload_cse_invalidate_rtx): Likewise.
5833 (reload_cse_regno_equal_p): Likewise.
5834 (reload_cse_check_clobber): Likewise.
5835 (reload_cse_record_set): Likewise.
5836 (reg_values): Delete static variable.
5837 (invalidate_regno_rtx): Likewise.
5838 (reload_cse_delete_noop_set): New static function.
5839 (reload_cse_simplify): New static function, broken out of
5841 (reload_cse_noop_set_p): Delete unused argument INSN.
5842 Just call rtx_equal_for_cselib_p on set source and destination.
5843 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5844 reload_cse_delete_noop_set. Delete code to keep track of values; use
5845 cselib functions instead. Delete code to push/pop obstacks.
5846 (reload_cse_simplify_set): Use cselib to find equivalent values.
5847 Delete code to push/pop obstacks.
5848 (reload_cse_simplify_operands): Likewise.
5849 * rtl.def (VALUE): New rtx code.
5850 * rtl.h (union rtunion_def): New elt rt_cselib.
5851 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5852 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5853 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5854 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5855 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5856 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5857 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5858 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5859 cselib_record_set, cselib_record_sets): New static functions.
5860 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5861 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5862 references_value_p): New functions.
5863 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5864 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5865 n_useless_values, reg_values, callmem, cselib_obstack,
5866 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5867 New static variables.
5868 * varray.h (union varray_data_tag): New elt te.
5869 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5870 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5873 2000-03-14 Nick Clifton <nickc@cygnus.com>
5875 * gcc.c (do_spec_1): Catch the case where %* is used in a
5876 substitution pattern, but it has not been initialised.
5877 Issue a meaningful error message if an unrecognised operator
5878 is encountered in a spec string.
5880 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5882 * function.c (prepare_function_start): Correctly initialize
5883 cfun->stack_alignment_needed.
5885 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5887 * cppfiles.c (find_include_file): Don't assume nshort is a
5890 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5892 * configure.in (hppa configurations): Add pa32-regs.h to the
5893 list of tm files as appropriate.
5894 * configure: Rebuilt.
5895 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5897 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5898 (fmpyaddoperands, fmpysuboperands): Likewise.
5899 * pa.h: Remove various definitions which depend on knowing
5900 how registers are numbered.
5901 * pa32-regs.h: New file with PA32 register numbering specific
5904 2000-03-14 Richard Henderson <rth@cygnus.com>
5906 * regmove.c (combine_stack_adjustments): New.
5907 (stack_memref_p, single_set_for_csa): New.
5908 (free_csa_memlist, record_one_stack_memref): New.
5909 (try_apply_stack_adjustment): New.
5910 (combine_stack_adjustments_for_block): New.
5911 * rtl.h (combine_stack_adjustments): Declare.
5912 * toplev.c (rest_of_compilation): Call it.
5914 * i386.md: Revert 2000-01-16 change.
5916 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5918 * gccbug.in: Add web category, gcc specific classes.
5920 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5922 * stor-layout.c (finalize_record_size): Fix typo.
5924 2000-03-14 Stan Shebs <shebs@apple.com>
5926 * c-typeck.c (c_alignof): Error on incomplete types.
5927 * extend.texi (Alignment): Document this.
5929 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5931 * cppfiles.c: Include mkdeps.h.
5932 (find_include_file, read_include_file): Remove _cpp_ prefix
5933 from name, make static.
5934 (_cpp_execute_include): New function, broken out of
5937 * cpplib.c: Don't include mkdeps.h.
5938 (struct directive): Remove type field. Reorder entries. The
5939 function takes only one argument.
5940 (struct if_stack): Make type field an int.
5941 (directive_table): Rename to dtable. Generate it, the
5942 prototypes of the directive handlers, and the enum for the
5943 directive numbers, from a template macro.
5944 (do_ifndef, do_include_next, do_import): New functions.
5945 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5946 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5947 do_ident, do_assert, do_unassert, do_sccs): Take only one
5949 (do_sccs): Define always, but alter behavior based on
5951 (_cpp_handle_directive, consider_directive_while_skipping):
5952 Restructure for new directive table layout.
5954 (pass_thru_directive): Take a directive number, not a pointer
5955 to a struct directive.
5956 (parse_include): New function, broken out of do_include.
5957 (do_include, do_import, do_include_next): Use parse_include
5958 and _cpp_execute_include.
5959 (do_elif, do_else): Test for T_ELSE specifically when checking
5960 for #elif/#else after #else.
5961 (parse_ifdef): New function, broken out of do_ifdef.
5962 (validate_else): Expect a name arg without a leading #.
5963 (if_directive_name): Delete.
5964 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5965 directive handlers with only one argument.
5967 * cpphash.h: Update prototypes.
5968 (enum node_type): Remove entries for directives.
5969 * Makefile.in: Update dependencies.
5971 * cpphash.c (dump_hash_helper): Only dump nodes of type
5972 T_MACRO. Emit a newline after each definition.
5974 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5976 * gccbug.in: New file.
5977 * configure.in (all_outputs): Add gccbug.
5978 * Makefile.in (install-common): Install gccbug.
5979 (GCCBUG_INSTALL_NAME): New variable.
5980 * configure: Rebuilt.
5982 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5984 * function.c (put_var_into_stack): Use type_for_mode to calculate
5985 part_type. Use MEM_SET_IN_STRUCT_P.
5986 * expr.c (store_field): Handle CONCAT.
5987 (store_constructor): Use fields_length.
5988 * tree.c (fields_length): New fn.
5989 * tree.h: Declare it.
5991 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5993 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5994 (cpplex.o): New target.
5995 * po/POTFILES.in: Add cpplex.c.
5997 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5998 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5999 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6000 skip_block_comment, skip_line_comment, skip_comment,
6001 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6002 _cpp_parse_name, skip_string, parse_string,
6003 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6004 _cpp_get_directive_token, find_position,
6005 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6006 (maybe_macroexpand, _cpp_lex_token): New functions.
6008 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6009 parse_goto_mark): Delete.
6010 (_cpp_handle_eof): New function.
6011 (_cpp_handle_directive): Rename from handle_directive.
6012 (_cpp_output_line_command): Rename from output_line_command.
6013 (do_if, do_elif): Call _cpp_parse_expr directly.
6014 * cppfiles.c (_cpp_read_include_file): Don't call
6015 init_input_buffer here.
6016 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6017 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6018 here; pop the token_buffer and skip the rest of the line here.
6019 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6022 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6024 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6025 CPP_GOTO_MARK): New macros.
6026 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6027 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6028 _cpp_read_and_prescan, _cpp_init_input_buffer,
6029 _cpp_grow_token_buffer, _cpp_get_directive_token,
6030 _cpp_handle_directive, _cpp_handle_eof,
6031 _cpp_output_line_command): Prototype them here.
6032 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6033 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6034 quote_string, output_line_command): Remove.
6036 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6038 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6039 whether it is too large we must also verify that it isn't negative.
6041 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6043 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6044 (movsi_zero_liveg0): Remove.
6045 (movsf_insn_novis_liveg0): Remove.
6047 (negsi2_not_liveg0): Rename to negsi2.
6048 (one_cmplsi2): Remove.
6049 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6050 (one_cmplsi2_liveg0): Remove.
6051 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6052 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6053 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6054 (PREDICATE_CODES): Remove zero_operand.
6055 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6056 TARGET_BROKEN_SAVERESTORE.
6057 (zero_operand): Remove.
6058 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6059 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6061 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6062 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6063 TARGET_BROKEN_SAVERESTORE): Remove.
6064 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6066 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6068 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6071 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6073 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6075 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6076 truncating a string. Don't assume tokens are nul terminated.
6077 Problem noted by Andreas Jaeger <aj@suse.de>
6079 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6081 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6082 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6083 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6085 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6087 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6088 STRUCTURE_SIZE_BOUNDARY.
6090 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6092 * tree.h (record_layout_info_s): New structure.
6093 (record_layout_info): New type.
6094 (new_record_layout_info): New function.
6095 (layout_field): Likewise.
6096 (finish_record_layout): Likewise.
6097 * stor-layout.c (layout_record): Remove.
6098 (new_record_layout_info): New function.
6099 (layout_field): New function, broken out from layout_record.
6100 (finalize_record_size): Likewise.
6101 (compute_record_mode): Likewise.
6102 (finalize_type_size): New function, broken out from layout_type.
6103 (finish_record_layout): Likewise.
6104 (layout_type): Use them.
6106 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6108 * cpphash.c: Don't include version.h.
6109 (special_symbol) [case T_VERSION]: Look for the string in
6110 hp->value.cpval; don't use version_string.
6111 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6112 __VERSION__ to version_string.
6113 * Makefile.in (cpphash.o): Update deps.
6115 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6117 Convert cpplib to use libiberty/hashtab.c.
6119 * cpplib.h (struct cpp_reader): Make hashtab and
6120 all_include_files of type 'struct htab *'. Delete HASHSIZE
6121 and ALL_INCLUDE_HASHSIZE macros.
6123 * cpphash.h: Update prototypes.
6124 (struct hashnode): Remove next, prev, and bucket_hdr members.
6125 Make length a size_t. Add hash member.
6126 (struct ihash): Remove next member. Add hash member. Make
6127 name a flexible array member.
6129 * cppfiles.c: Include hashtab.h.
6130 (include_hash): Delete.
6131 (IHASHSIZE): New macro.
6132 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6133 (cpp_included): Do the hash lookup here.
6134 (_cpp_find_include_file): Rewrite.
6135 (cpp_read_file): Put the "fake" hash entry into the hash
6136 table. Honor the control_macro, if it turns out we've seen
6137 the file before. Don't push the buffer here.
6138 (_cpp_read_include_file): Push the buffer here.
6139 (OMODES): New macro. Use it whenever we call open(2).
6141 * cpphash.c: Include hashtab.h.
6142 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6143 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6144 _cpp_lookup_slot): New functions.
6145 (HASHSIZE): new macro.
6146 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6147 (_cpp_lookup): Use hashtab.h routines.
6149 * cppinit.c: Include hashtab.h.
6150 (cpp_reader_init): Call _cpp_init_macro_hash and
6151 _cpp_init_include_hash. Don't allocate hashtab directly.
6152 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6153 pfile->all_include_files.
6154 (initialize_builtins): Use _cpp_make_hashnode and
6155 htab_find_slot to add hash entries.
6156 (cpp_finish): Just call _cpp_dump_macro_hash.
6157 * cpplib.c: Include hashtab.h.
6158 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6159 create hash entries.
6160 (do_pragma_poison, do_assert): Likewise.
6161 (do_include): Don't push the buffer here. Don't increment
6162 system_include_depth unless _cpp_read_include_file succeeds.
6163 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6165 (do_pragma_implementation): Use alloca to create copy.
6167 * Makefile.in: Update dependencies.
6169 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6171 * cppinit.c (cl_directive_handler): More K&R fixing.
6173 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6175 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6177 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6179 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6181 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6182 Change from char[] to macros.
6184 2000-03-12 Neil Booth <NeilB@earthling.net>
6186 * cppinit.c (cpp_start_read): Update indirect function
6189 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6191 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6194 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6195 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6197 2000-03-11 Neil Booth <NeilB@earthling.net>
6199 * cppinit.c (struct pending option): Replace undef with a
6200 pointer to a directive handling routine.
6201 (struct cpp_pending): Replace separate assert_ and define_
6202 lists with one directive_ list.
6203 (new_pending_define): Rename new_pending_directive. Extra
6204 argument is the directive's handling routine.
6205 (handle_option): Update to use new_pending_directive.
6207 2000-03-11 Neil Booth <NeilB@earthling.net>
6209 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6210 remap_filename, _cpp_read_include_file, actual_directory,
6211 hack_vms_include_specification): Replace bcopy(), index() etc
6212 calls. Add casts to some allocations. Make some variables
6213 pointers to const [unsigned] char.
6214 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6215 collect_formal_parameters): Similarly.
6216 * cppinit.c (struct pending_option, append_include_chain,
6217 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6218 cpp_start_read, new_pending_define, handle_option): Similarly.
6219 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6220 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6221 do_pragma_implementation, detect_if_not_defined,
6222 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6223 do_assert, do_unassert): Similarly.
6224 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6225 function prototypes.
6226 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6228 2000-03-10 Richard Henderson <rth@cygnus.com>
6230 * builtins.c (expand_builtin_strlen): Revert last change.
6231 Use emit_insn_before if we're at the beginning of a sequence.
6233 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6235 * builtins.c (expand_builtin_strlen): Make sure that we have something
6236 at the beginning of the sequence.
6238 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6241 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6243 2000-03-10 Richard Henderson <rth@cygnus.com>
6245 * except.c (can_throw): Use INTVAL on a CONST_INT.
6246 (reachable_handlers): Likewise.
6247 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6249 2000-03-10 Andreas Jaeger <aj@suse.de>
6251 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6252 MD_STARTFILE_PREFIX since those are not needed on linux.
6253 (ASM_FILE_START): New, from mips/gnu.h.
6255 2000-03-09 Richard Henderson <rth@cygnus.com>
6256 Alex Samuel <samuel@codesourcery.com> and others
6258 * Makefile.in (ssa.o): New rule.
6260 (STAGESTUFF): Add *.ssa and *.ussa.
6261 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6262 * rtl.def (PHI): New RTL expression.
6263 * rtl.h (clear_log_links): New declaration.
6264 (convert_to_ssa): Likewise.
6265 (convert_from_ssa): Likewise.
6266 * flow.c (split_edge): If the entry node falls through to the
6267 split edge's source block, split the entry edge.
6268 (clear_log_links): New function.
6269 * toplev.c (ssa_dump): New variable.
6270 (flag_ssa): Likewise.
6271 (f_options): Add "ssa".
6272 (compile_file): Create SSA dump files.
6273 (rest_of_compilation): Go to and from SSA if enabled.
6274 (decide_d_option): Handle -de for SSA dump files.
6277 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6279 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6282 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6284 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6286 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6288 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6289 (MD_STARTFILE_PREFIX_1): New macro.
6291 2000-03-09 Robert Lipe <robertl@sco.com>
6293 * config/ia64/ia64.c: Include system.h.
6295 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6297 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6298 (init_eh_nesting_info): Likewise.
6300 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6301 (TREE_NOTHROW): Rename from TREE_RAISES.
6302 * toplev.c (rest_of_compilation): Set it.
6303 * print-tree.c (print_node): Adjust.
6304 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6305 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6306 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6307 REG_EH_REGION note as appropriate.
6308 (libfunc_nothrow): New fn.
6309 (emit_library_call, emit_library_call_value): Use it.
6310 (expand_call): Check TREE_NOTHROW.
6312 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6313 DECL_ASSEMBLER_NAME.
6315 2000-03-09 Andreas Jaeger <aj@suse.de>
6317 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6318 (TARGET_MEM_FUNCTIONS): Define.
6320 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6322 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6324 * except.c (can_throw): See through a SEQUENCE.
6325 (nothrow_function_p): New fn.
6326 * except.h: Declare it.
6327 * function.c (current_function_nothrow): New var.
6328 (prepare_function_start): Initialize it.
6329 * output.h: Declare it.
6330 * toplev.c (rest_of_compilation): Set it.
6331 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6333 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6335 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6336 match. (cpp_compare_defs): Count the nul separator when
6337 advancing over argument names.
6339 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6341 * recog.c (preprocess_constraints): Matching constraints affect
6342 same alternative/different operand, not same operand/different
6345 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6346 register and a constant specially.
6348 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6350 * libgcc2.h: New file.
6351 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6353 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6355 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6356 * configure: Regenerate.
6359 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6361 * Makefile.in (LIBCPP_DEPS): New macro.
6362 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6364 * cpperror.c: Include cpphash.h.
6365 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6367 (lex): Don't use CPP_WARN_UNDEF.
6368 (_cpp_parse_expr): Return an int, the truth value.
6369 * cppfiles.c: Include cpphash.h.
6370 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6371 * cppinit.c (include_defaults_array): Disentangle.
6372 (cpp_cleanup): Don't free the if stack here.
6373 (cpp_finish): Pop off all buffers, not just one.
6374 * cpplib.c (eval_if_expr): Return int.
6375 (do_xifdef): Rename do_ifdef.
6376 (handle_directive): Don't use CPP_PREPROCESSED.
6377 (cpp_get_token): Don't use CPP_C89.
6378 * fix-header.c: Don't use CPP_OPTIONS.
6380 * cpplib.h: Move U_CHAR, enum node_type, struct
6381 file_name_list, struct ihash, is_idchar, is_idstart,
6382 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6383 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6384 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6385 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6386 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6387 of _cpp_simplify_pathname, _cpp_find_include_file,
6388 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6389 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6391 Change all uses of U_CHAR to be unsigned char instead.
6392 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6394 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6396 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6397 (dwarf2out_begin_prologue): Set it.
6398 (output_call_frame_info): Don't emit EH unwind info for leaves.
6400 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6401 can occur outside of an EH region.
6402 * except.c: Correct comments about rethrow behavior.
6403 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6405 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6407 * flow.c (make_edges): Always call make_eh_edge for calls.
6409 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6411 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6412 (struct cpp_buffer): Remove fname and underflow fields.
6413 (struct cpp_reader): Remove get_token field.
6414 (struct include_hash): Rename to struct ihash. Add typedef to
6416 (struct if_stack): Remove fname field.
6417 (IF_STACK_FRAME): Rename to IF_STACK.
6419 * cpperror.c (print_containing_files): Trust that there are no
6420 macro buffers below the top file buffer.
6421 * cppfiles.c: Replace all references to 'struct include_hash'
6422 with 'IHASH'. Rename initialize_input_buffer to
6423 init_input_buffer. Don't set or reference cpp_buffer->fname,
6424 use buffer->ihash->name instead.
6425 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6426 not CPP_NULL_BUFFER.
6427 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6428 IF_STACK_FRAME, IHASH not struct include_hash.
6429 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6430 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6431 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6432 references to cpp_buffer->fname (delete entirely, or use
6433 ->ihash->name instead) and IF_STACK->fname.
6434 (cpp_push_buffer): Don't set new->underflow.
6435 (do_include): Use cpp_file_buffer.
6437 * cpphash.c (collect_formal_parameters): Remove duplicate
6438 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6439 used as a macro argument name. Don't append "..." to namebuf
6440 for varargs macros. After we're done scanning, go through
6441 namebuf and make it NUL separated, not comma separated.
6442 (_cpp_compare_defs): Remove register tag from variables.
6443 Expect defn->argnames to be NUL separated.
6444 (_cpp_dump_definition): Expect defn->argnames to be NUL
6445 separated and in forward order.
6446 * cpphash.h: Update documentation of argnames field.
6448 2000-03-08 Richard Henderson <rth@cygnus.com>
6450 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6451 to fail. Don't pre-expand the source operand.
6453 * i386.md (strlensi): Initialize eoschar and align before use.
6455 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6457 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6458 CONSTRUCTOR element.
6460 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6462 * mips.c (mips_expand_prologue): If the last
6463 named argument is the vararg marker "va_list", treat it as
6464 an unnamed argument.
6466 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6468 * dbxout.c (dbxout_parms): When correcting for promoted
6469 big-endian parameters, use the mode of the DECL_RTL rather
6470 than UNITS_PER_WORD.
6472 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6474 * c-common.h (make_fname_decl): Declare.
6475 * c-common.c (make_fname_decl): Define.
6476 (declare_hidden_char_array): Remove.
6477 (declare_function_name): Use make_fname_decl.
6478 * c-decl.c (c_make_fname_decl): New function.
6479 (init_decl_processing): Set make_fname_decl.
6481 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6483 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6485 2000-03-07 Philipp Thomas <pthomas@suse.de>
6487 * po/POTFILES.in: Remove cppalloc.c from file list.
6489 2000-03-07 Steve Chamberlain <sac@pobox.com>
6491 * pj.c (pj_expand_prologue): current_function->args_info is
6492 now current_function_args_info.
6494 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6495 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6496 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6498 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6500 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6501 output as hexadecimal rather than the default octal.
6503 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6505 * cpphash.c (special_symbol): Fix thinko in previous commit.
6507 2000-03-07 Neil Booth <NeilB@earthling.net>
6509 * cppexp.c (struct operation, left_shift, right_shift,
6510 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6511 "int"s to "unsigned int"s.
6512 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6514 * cpplib.h: Update for above.
6515 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6516 returned from allocations.
6518 * cppinit.c (opt_comp, parse_options): New functions.
6519 (handle_option): Use parse_option to parse a single command
6520 line option, that possibly takes an argument.
6521 (cpp_handle_options): Sort the array of command line options on
6522 first invocation (non-ASCII hosts only).
6523 (print_help): Update.
6525 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6527 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6528 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6530 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6532 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6534 * cpperror.c (cpp_print_containing_files,
6535 cpp_print_file_and_line, v_cpp_message): Rename to
6536 print_containing_files, print_file_and_line, and v_message.
6537 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6538 to _cpp_parse_expr, parse_escape, and lex.
6539 (parse_charconst): Remove broken multibyte support.
6540 * cppfiles.c (include_hash): Make static.
6541 (cpp_included): New function.
6542 (merge_include_chains, find_include_file, finclude,
6543 simplify_pathname): Rename to _cpp_merge_include_chains,
6544 _cpp_find_include_file, _cpp_read_include_file, and
6545 _cpp_simplify_pathname.
6546 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6547 cpp_install, create_definition, macroexpand, compare_defs,
6548 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6549 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6550 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6551 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6553 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6555 * cpphash.h: Update prototypes.
6556 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6558 2000-03-07 Andrew Haley <aph@cygnus.com>
6560 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6561 PTRDIFF_TYPE should be based solely on Pmode.
6564 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6566 * rtl.h (rtunion_def): Constify member `rtstr'.
6567 (emit_line_note_after, emit_line_note, emit_line_note_force,
6568 emit_note, decode_asm_operands): Constify.
6570 * cse.c (canon_hash): Likewise.
6572 * dbxout.c (dbxout_block): Likewise.
6574 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6575 v_warning_for_asm): Likewise.
6577 * dwarfout.c (function_start_label): Likewise.
6579 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6580 emit_line_note_force): Likewise.
6582 * final.c (last_filename, asm_insn_count, final_scan_insn,
6583 output_source_line): Likewise.
6585 * function.h (struct emit_status): Likewise.
6587 * gcse.c (hash_expr_1): Likewise.
6589 * genattr.c (gen_attr, main): Likewise.
6591 * genattrtab.c (struct function_unit, current_alternative_string,
6592 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6593 attr_numeral, check_attr_test, check_attr_value,
6594 convert_set_attr_alternative, convert_set_attr,
6595 compute_alternative_mask, simplify_by_exploding, gen_attr,
6596 gen_unit): Likewise.
6598 * genflags.c (gen_insn): Likewise.
6600 * gengenrtl.c (type_from_format): Likewise.
6602 * genopinit.c (gen_insn): Likewise.
6604 * genoutput.c (n_occurrences, process_template, process_template):
6607 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6610 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6613 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6614 ggc_set_mark, ggc_get_size): Likewise.
6616 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6618 * optabs.c (init_one_libfunc): Likewise.
6620 * output.h (assemble_start_function): Likewise.
6622 * recog.c (decode_asm_operands): Likewise.
6624 * toplev.c (rest_of_compilation): Likewise.
6626 * tree.h (emit_line_note_after, emit_line_note,
6627 emit_line_note_force): Likewise.
6629 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6630 asm_emit_uninitialised, assemble_start_function,
6631 assemble_variable, const_hash, compare_constant_1,
6632 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6634 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6636 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6638 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6640 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6642 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6643 arm_dllimport_name_p): Likewise.
6645 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6648 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6650 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6652 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6653 arm_mark_dllexport, arm_mark_dllimport,
6654 arm_pe_encode_section_info): Likewise.
6656 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6657 ASM_FINISH_DECLARE_OBJECT): Likewise.
6659 * arm/thumb.c (thumb_function_prologue): Likewise.
6661 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6663 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6665 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6667 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6669 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6671 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6673 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6674 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6676 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6678 * i386/i386.c (asm_output_function_prefix): Likewise.
6680 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6682 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6684 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6686 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6687 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6688 ASM_OUTPUT_SECTION_NAME): Likewise.
6690 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6692 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6694 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6696 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6698 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6700 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6702 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6704 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6706 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6708 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6710 * mips/mips.md (movdi, movsi): Likewise.
6712 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6714 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6716 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6718 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6719 ASM_OUTPUT_ASCII): Likewise.
6721 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6722 output_mi_thunk, output_toc): Likewise.
6724 * rs6000/rs6000.md (movsi): Likewise.
6726 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6728 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6730 * v850/v850.c (print_operand, print_operand_address,
6731 v850_encode_data_area): Likewise.
6733 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6735 * config/mips/mips.md (zero_extendsidi2): Always force operand
6736 one to memory for mips16.
6738 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6740 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6741 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6742 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6743 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6744 (min_precision): Result is unsigned.
6745 (add_double, neg_double, mul_double): Low word is unsigned.
6746 (lshift_double, rshift_double, lrotate_double): Likewise.
6747 (rrotate_double, div_and_round_double): Likewise.
6748 (tree_floor_log2, compare_tree_int): New functions.
6749 (preserve_rtl_expr_temps): New declaration.
6750 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6751 (decl_attributes): Use tree_log2 to find alignment.
6752 Check for TREE_INT_CST_HIGH for format args.
6753 (min_precision): Now unsigned.
6754 Use tree_floor_log2.
6755 (truthvalue_conversion): Delete long-disabled code.
6756 * c-decl.c (finish_struct): Clean up tests on field width.
6757 (finish_function): Use compare_tree_int.
6758 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6759 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6760 (default_conversion, digest_init): Use compare_tree_int.
6761 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6762 Fix type errors in forming masks.
6763 * calls.c (initialize_argument_information): Use compare_tree_int.
6764 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6765 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6766 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6767 (store_field): Use compare_tree_int.
6768 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6769 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6770 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6771 (do_store_flag): Use compare_tree_int.
6772 * fold-const.c (encode, decode): Low part is always unsigned.
6773 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6774 (lshift_double, rshift_double, lrotate_double): Likewise.
6775 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6776 (fold_convert): Use compare_tree_int.
6777 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6778 (invert_truthvalue, case INTEGER_CST): Likewise.
6779 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6780 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6781 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6782 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6784 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6785 (expand_end_case): Use compare_tree_int.
6786 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6787 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6788 (layout_decl): Likewise.
6789 (layout_record, layout_union): Make sizes unsigned.
6790 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6791 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6792 * tree.c (struct type_hash): hashcode is unsigned.
6793 (build_type_attribute_variant, type_hash_list): Likewise.
6794 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6795 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6796 (build_complex_type): Likewise.
6797 (real_value_from_int_cst): Remove unneeded casts.
6798 (integer_all_onesp): Add casts.
6799 (tree_floor_log2, compare_tree_int): New functions.
6800 (build_index_type): Use tree_int_cst_sgn.
6801 * varasm.c (assemble_variable): Use compare_tree_int.
6803 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6805 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6807 * varasm.c (make_decl_rtl): Don't add a number to members of
6809 (make_function_rtl): Likewise.
6811 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6813 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6814 patch from 2000-01-28.
6816 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6818 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6819 filled with an insn from the jump target.
6821 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6823 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6824 (c4x_external_ref): Likewise.
6825 * config/c4x/c4x.c (struct name_list): Likewise.
6827 1999-12-16 Ben Collins <bcollins@debian.org>
6829 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6830 argument to genmultilib.
6831 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6832 the contents into the multilib.h header.
6833 * gcc.c: Declare multilib_exclusions for the specs file.
6834 (set_multilib_dir): Use it.
6835 (print_multilib_info): Likewise.
6836 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6837 to pass to genmultilib.
6839 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6841 * builtins.c (built_in_class_names, built_in_names): Constify a
6844 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6846 (_mcleanup): Ensure value matches format specifier in sprintf.
6848 * cpphash.c (special_symbol): Don't needlessly cast away
6851 * cppinit.c (base_name): Delete unused prototype.
6853 * mkdeps.c (deps_init): Make definition K&R safe.
6855 * tree.h (built_in_class_names, built_in_names): Constify a
6858 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6860 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6861 floating point instructions for epilogue delay.
6863 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6864 to gas if it supports .register pseudo.
6866 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6867 LONG_DOUBLE_TYPE_SIZE if not defined.
6868 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6869 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6871 * gengenrtl.c: Likewise.
6872 * print-rtl.c: Likewise.
6874 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6875 MASK_LONG_DOUBLE_128.
6876 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6877 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6878 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6879 (SUBTARGET_SWITCHES): Define.
6880 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6881 with -mlong-double-128.
6882 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6883 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6884 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6885 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6886 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6887 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6888 with -mlong-double-128.
6889 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6890 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6891 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6892 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6893 TARGET_LONG_DOUBLE_128): Define.
6894 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6895 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6896 long double on TARGET_ARCH64.
6898 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6900 * function.c (free_temps_for_rtl_expr): Don't free slots
6901 that have been pushed into a higher level.
6904 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6906 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6908 * basic-block.h (ALLOCA_REG_SET): Remove.
6909 (INITIALIZE_REG_SET): New macro.
6910 * flow.c (update_life_info): Use it.
6911 (calculate_global_regs_live): Likewise.
6912 (propagate_block): Likewise.
6913 * global.c (build_insn_chain): Likewise.
6914 * haifa-sched.c (schedule_region): Likewise.
6916 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6918 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6919 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6920 (DWARF_ARANGES_PAD_SIZE): New define.
6921 (output_aranges): Use it to pad the address range header.
6922 (DWARF_ROUND): Fix for non power of 2 rounding.
6924 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6926 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6928 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6930 * tree.def (RTL_EXPR): Update documentation.
6931 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6932 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6933 * function.c (preserve_rtl_expr_temp): New function.
6934 (preserve_rtl_expr_temps): Likewise.
6935 (preserve_rtl_expr_result): Use it.
6938 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6940 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6942 * regmove.c (copy_src_to_dest) Do not create src->dest move
6943 for unchanging destination.
6945 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6947 * function.h (struct sequence_stack): Remove rtl_expr.
6948 (struct emit_staus): Likewise.
6949 (seq_rtl_expr): Remove.
6950 * tree.h (free_temps_for_rtl_expr): Don't declare.
6951 (start_sequence_for_rtl_expr): Likewise.
6952 * rtl.h (preserve_rtl_expr_result): Likewise.
6953 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6954 (start_sequence_for_rtl_expr): Remove.
6955 (push_topmost_sequence): Don't save sequence_rtl_expr.
6956 (pop_topmost_sequence): Remove comment about not restoring it.
6957 (end_sequence): Don't set seq_rtl_expr.
6958 (init_emit): Don't initialize it.
6959 (mark_sequence_stack): Don't mark it.
6960 (mark_emit_status): Likewise.
6961 * except.c (protect_with_terminate): Use
6962 start_sequence_for_rtl_expr, not start_sequence.
6963 * expr.c (expand_expr, case RTL_EXPR): Don't call
6964 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6965 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6966 (preserve_rtl_expr_result): Remove.
6967 (free_temps_for_rtl_expr): Likewise.
6968 (pop_temp_slots): Likewise.
6969 (mark_temp_slot): Don't mark the rtl_expr.
6970 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6971 start_sequence_for_rtl_expr.
6973 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6975 * mkdeps.c, mkdeps.h: New files.
6976 * po/POTFILES.in: Add them.
6977 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6978 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6979 (mkdeps.o): New target.
6981 * cppfiles.c: Delete deps_output.
6982 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6983 OBJECT_SUFFIX, and base_name.
6984 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6986 (initialize_dependency_output): Use deps_init,
6987 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6988 all the unnecessary string bashing.
6989 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6991 * cpplib.c (do_include): Use deps_add_dep.
6992 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6993 deps_allocated_size, deps_size, deps_column members with
6994 single pointer to a struct deps. Delete prototype of
6997 * cppinit.c: Fix thinko in previous patch.
6999 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7001 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7002 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7003 (mode_for_size_tree): New function.
7004 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7005 * tree.h (mode_for_size_tree): New declaration.
7007 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7009 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7011 * stmt.c (is_body_block): Move...
7012 * dwarfout.c, dwarf2out.c: ...from here.
7013 * tree.h: Declare it.
7014 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7015 * final.c (final_start_function): Do call remove_unnecessary_notes
7018 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7020 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7022 * cpplib.h (_dollar_ok): New macro.
7023 (is_idchar, is_idstart): Use it.
7024 (IStable): Rename to _cpp_IStable. Declare it const if
7025 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7026 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7027 is_space): Update for renamed IStable.
7029 * cppinit.c: Delete all references to FAKE_CONST and CAT
7030 macros. Define init_IStable as empty macro if gcc >=2.7 or
7031 C99. Change TABLE() to ISTABLE and hardcode name of table.
7032 (cpp_start_read): Don't change the IStable based on
7035 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7036 changed. Handle '$' for char1 correctly.
7037 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7039 * cppexp.c (tokentab2): Make const.
7040 (cpp_lex): Make toktab const.
7041 * cppinit.c (include_defaults_array): Make const.
7042 (initialize_standard_includes): Make default_include const.
7044 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7046 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7047 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7048 (gen_decl_die): Likewise.
7049 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7050 (output_decl): Likewise.
7052 * varasm.c (make_function_rtl): If we change the name used in the
7053 rtl, update DECL_ASSEMBLER_NAME accordingly.
7054 (make_decl_rtl): Likewise.
7056 * toplev.c (rest_of_compilation): Tweak formatting.
7058 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7059 remove_unnecessary_notes.
7060 (debug_ignore_block): New fn.
7061 * toplev.h: Declare it.
7062 * emit-rtl.c (remove_unncessary_notes): Call it.
7063 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7064 * dwarf2out.h: Declare it.
7065 * final.c (final_start_function): Don't call remove_unnecessary_notes
7066 if we did insn scheduling.
7068 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7070 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7071 * cpplib.h: Delete SET_CPP_PEDANTIC.
7073 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7075 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7076 result is a RECORD_TYPE.
7078 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7080 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7082 2000-03-03 Richard Henderson <rth@cygnus.com>
7084 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7085 addition over compliments over shifts.
7087 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7089 * reload1.c (reload_combine_note_use): Handle return register USEs.
7090 REG case: Handle multi-hard-register hard regs.
7092 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7094 * md.texi: Document use of '*' in insn pattern name.
7096 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7098 * calls.c (special_function_p): operator new may not be malloc-like.
7100 * gcse.c (dump_hash_table): Really fix error in last change.
7102 2000-03-02 Denis Chertykov <denisc@overta.ru>
7104 * avr.c (print_operand): Use print_operand_address instead of
7106 * avr/libgcc.S: Cleanup code.
7108 2000-03-02 Richard Henderson <rth@cygnus.com>
7110 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7112 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7114 * tree.h (TYPE_ALIGN_UNIT): New macro.
7116 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7118 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7120 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7122 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7124 (SET_CPP_PEDANTIC): New macro.
7125 * cpplib.c (do_include): Don't bother checking system_header_p.
7126 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7127 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7129 * function.h (struct expr_status): Add x_arg_space_so_far.
7130 (arg_space_so_far): New macro.
7131 * expr.c (init_expr): Initialize it.
7132 * calls.c (emit_call_1): Reset it.
7133 (compute_argument_block_size, expand_call): Use it.
7134 (expand_call, store_one_arg): Increment it.
7136 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7138 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7141 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7143 * cppfiles.c (cpp_read_file): New function.
7145 * cpphash.c (collect_expansion): Make sure to reset last_token
7146 to NORM when we hit a string. Handle trailing whitespace
7147 properly when the expansion is empty.
7148 (create_definition): Disable line commands while parsing the
7150 (dump_definition): If pfile->lineno == 0, output a line
7151 command ahead of the dump, and add a trailing newline.
7153 * cppinit.c (append_include_chain): Add fifth argument, which
7154 indicates whether or not system headers are C++ aware.
7155 (initialize_standard_includes): New function,
7156 broken out of read_and_prescan. Pass 'cxx_aware' value from
7157 the include_defaults_array on to append_include_chain.
7158 (dump_special_to_buffer): Const-ify char array.
7159 (builtin_array): Don't dump __BASE_FILE__.
7160 (cpp_start_read): Use cpp_read_file. Reorder code for
7161 clarity. Don't output line commands here for -D/-A/-U
7162 switches. Don't call deps_output for files included with
7163 -include or -imacros.
7165 * cpplib.c (do_define): Don't pay any attention to the second
7167 (cpp_expand_to_buffer): Disable line commands while scanning.
7168 (output_line_command): Work in the file buffer.
7169 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7170 Fix formatting of comments. Prototype cpp_read_file.
7172 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7174 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7175 reference the language-equivalent of sizetype.
7176 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7177 * fold-const.c (size_binop, size_diffop): Put back checks.
7178 * gcse.c (dump_hash_table): Fix minor error in last change.
7179 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7180 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7183 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7185 * calls.c (expand_call) Do not attempt to combine stack adjustments
7186 with inhibit_defer_pop set.
7188 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7190 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7191 the DECL_SIZE for a FIELD_DECL.
7193 2000-03-01 Bruce Korb <bkorb@gnu.org>
7195 * fixinc/inclhack.tpl: remove unused symlinks
7196 * fixinc/README: GCC Maintainer info
7197 * fixinc/inclhack.sh: regen
7198 * fixinc/fixincl.sh: regen
7200 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7202 * cpphash.c (collect_expansion): Trim trailing white space
7203 from macro definitions, but don't go past the last insertion
7206 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7208 * i386.md (mulqi3): New pattern.
7210 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7212 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7214 (struct cpp_reader): Add parsing_if_directive and
7215 parsing_define_directive flags.
7216 (struct cpp_options): Remove output_conditionals flag.
7217 (check_macro_name): Delete prototype.
7219 * cpphash.h (struct macrodef): Delete.
7220 (struct reflist): Separate from struct definition.
7221 (struct definition): Remove unused fields. Add column number.
7222 (create_definition): Returns a DEFINITION *. Takes a
7223 cpp_reader * and an int.
7225 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7226 (PEEKC): Copy defn from cpplib.c.
7227 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7229 (struct arglist): Simplify.
7230 (collect_expansion): Rewrite. Get tokens by calling
7231 cpp_get_token. Add more error checking.
7232 (collect_formal_parameters): New function, broken out of
7233 create_definition and reworked to use get_directive_token.
7234 (create_definition): All real work is now in collect_expansion
7235 and collect_formal_parameters. do_define handles finding the
7236 macro name. Return a DEFINITION, not a MACRODEF.
7237 (macroexpand): Replace bcopy with memcpy throughout. Replace
7238 character-at-a-time copy loop with memcpy and pointer increments.
7239 (compare-defs): d1->argnames / d2->argnames might be null.
7241 * cpplib.c (copy_rest_of_line): Delete function.
7242 (skip_rest_of_line): Do all the work ourselves.
7243 (skip_string): New function.
7244 (parse_string): Use skip_string.
7245 (get_macro_name): New function.
7246 (check_macro_name): Delete.
7247 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7248 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7249 (handle_directive): ICE if we're called on a macro buffer.
7250 (do_define): Determine macro name and type (funlike/objlike)
7251 here. Expunge all uses of MACRODEF.
7252 (cpp_push_buffer): Set line_base to NULL.
7253 (do_undef, read_line_number): Don't worry about getting a POP token.
7254 (eval_if_expression): Set/reset parsing_if_directive around
7255 cpp_parse_expr. Don't clear only_seen_white.
7256 (skip_if_group): Remove output_conditionals logic. Use
7258 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7259 tokens under appropriate conditions.
7260 (cpp_unassert): Call do_unassert not do_assert. Oops.
7262 * cppexp.c (parse_defined): New function, break out of
7264 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7265 ourselves, with cpp_defined.
7266 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7268 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7269 * gcc.dg/strpaste-2.c: New.
7271 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7273 * fold-const.c (size_binop): Don't asert inputs are the same and
7274 have TYPE_IS_SIZETYPE set.
7275 (size_diffop): Likewise.
7277 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7279 * dwarfout.c (output_block): Output abstract blocks even if they
7280 don't have TREE_ASM_WRITTEN set.
7282 * calls.c (emit_library_call): Check for null REG.
7284 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7286 * c-decl.c (current_function_decl): Move to toplev.c.
7287 (init_decl_processing): Don't add current_function_decl as a ggc
7289 * dbxout.c (dbxout_symbol): Change return type to int.
7290 (dbxout_symbol_location, dbxout_syms): Likewise.
7291 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7292 any locals. Use current_function_func_begin_label if set.
7293 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7294 * dwarf2out.c (dwarf2out_begin_prologue): Set
7295 current_function_func_begin_label.
7296 * final.c (final_start_function): Reset it.
7297 * toplev.c (current_function_decl): Define it here.
7298 (current_function_func_begin_label): New variable.
7299 (main): Add both as ggc roots.
7300 * tree.h (current_function_func_begin_label): Declare.
7302 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7304 * gcse.c: Cleanups throughout: mostly white-space, but also
7305 some minor rearrangement of code.
7307 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7309 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7310 returns a PARALLEL. Use emit_group_load and use_group_regs
7312 (emit_library_call_value): Similarly.
7314 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7315 * pa/quadlib.asm: Remove.
7316 * pa/quadlib.c: New file.
7318 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7319 * configure: Rebuilt.
7321 2000-02-29 Philip Blundell <pb@futuretv.com>
7323 * config/arm/conix-elf.h: New file.
7324 * configure.in (arm*-*-conix*): New configuration.
7325 * configure: Regenerate.
7327 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7329 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7330 don't have TREE_ASM_WRITTEN set.
7332 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7334 * Eliminate DECL_FIELD_SIZE.
7335 * builtins.c (built_in_class_names, built_in_names): New variables.
7336 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7337 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7338 DECL_SIZE, not DECL_FIELD_SIZE.
7339 * print-tree.c (print_node): Remove code that prints extra blank
7340 lines in some cases.
7341 Properly handle inline and builtin function cases.
7342 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7343 * tree.h (built_in_class_named, built_in_names): New declarations.
7344 (union tree_decl): Rename internal unions to u1 and u2 and change
7345 some of their components.
7346 Add new field built_in_class.
7347 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7348 Reflect above changes.
7349 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7350 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7351 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7352 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7354 2000-02-28 Dmitri Makarov <dim@windriver.com>
7356 * extend.texi: Document ARM's support for long/short calls.
7358 * invoke.texi: Document ARM's -mlong-calls command line switch.
7360 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7361 (arm_encode_call_attribute): Add prototype.
7362 (arm_set_default_type_attribute): Add prototype.
7363 (arm_strip_name_encoding): Add prototype.
7365 * config/arm/arm.c (arm_init_cumulative_args): replace
7366 initialisation og 'long_calls' field with initialisation of
7367 'call_cookie' field.
7368 (enum arm_pragma_enum): New enum.
7369 (arm_pragma_long_calls): New static variable.
7370 (arm_process_pragma): Also process "#pragma long_calls_off".
7371 (arm_valid_type_attribute_p): Accept short_call attribute.
7372 (arm_comp_type_attributes): Check long/short call attributes.
7373 (arm_encode_call_attribute): New function: Encode long_call
7374 or short_call attribute in function name.
7375 (arm_set_default_type_attributes): New function: Assign
7376 default attributes to newly defined type.
7377 (current_file_function_operand): New function: Return true if
7378 the symbol is a function which has already been compiled.
7379 (arm_is_longcall_p): New function: Return true if the
7380 indicated function should be called via a long call.
7381 (arm_get_strip_length): New function. Returns number of
7382 prefix characters to be stripped from a function's name.
7383 (arm_strip_name_encoding): New function. Strip prefix characters
7384 from a function's name.
7386 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7388 (SHORT_CALL_FAG_CHAR): Define.
7389 (LONG_CALL_FAG_CHAR): Define.
7390 (ENCODED_SHORT_CALL_ATTR_P): Define.
7391 (ENCODED_LONG_CALL_ATTR_P): Define.
7392 (ARM_NAME_ENCODING_LENGTHS): Define.
7393 (STRIP_NAME_ENCODING): Define.
7394 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7395 (ARM_ENCODE_CALL_TYPE): Define.
7396 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7397 (ARM_DECLARE_FUNCTION_SIZE): Define.
7398 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7400 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7401 if a long call is needed.
7402 (call_value): Ditto.
7403 (call_symbol): Ditto.
7405 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7406 ARM_DECLARE_FUNCTION_SIZE.
7408 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7409 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7410 (ARM_STRIP_NAME_ENCODING): Undefine.
7411 (STRIP_NAME_ENCODING): Undefine.
7412 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7413 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7414 (ASM_OUTPUT_COMMON): Ditto.
7415 (ASM_DECLARE_OBJECT_NAME): Ditto.
7417 * config/arm/pe.c (arm_dllexport_name_p): Check for
7419 (arm_dllimport_name_p): Ditto.
7420 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7421 (arm_mark_dllimport): Ditto.
7423 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7425 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7427 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7429 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7431 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7433 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7434 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7435 NO_BUILTIN_WCHAR_TYPE is not defined.
7436 (CPP_WCHAR_TYPE): Delete.
7437 * cccp.c (main): Don't change wchar_type if cplusplus.
7438 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7440 2000-02-28 Nick Clifton <nickc@cygnus.com>
7442 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7444 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7446 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7447 (ASM_WEAKEN_LABEL): Define.
7449 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7451 * expr.c (store_constructor): Do not emit USE.
7452 * rtl.h (stupid_life_analysis): Remove.
7454 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7456 * function.c (number_blocks): Reset next_block_index based on
7457 what debugging format is used, not what is defined.
7459 * lcm.c: Minor reformatting throughout.
7460 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7462 * toplev.c (rest_of_compilation): Account for time in
7463 optimize_mode_switching.
7465 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7466 if only marking labels.
7468 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7470 * calls.c (expand_call): Attempt to combine stack adjustments with
7471 pending stack adjustments.
7473 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7475 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7476 to the end of the function.
7478 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7480 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7482 * final.c (next_block_index): Remove.
7483 (max_block_depth): Likewise.
7484 (pending_blocks): Likewise.
7485 (init_final): Don't initialize them.
7486 (final_start_function): Don't set next_block_index. Set up
7488 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7489 * function.h (number_blocks): New function.
7490 * function.c (get_block_vector): New function.
7491 (identify_blocks): Use it.
7492 (reorder_blocks): Set NOTE_BLOCK.
7493 (number_blocks): New function.
7494 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7495 * tree.h (BLOCK_NUMBER): New macro.
7496 (tree_block): Add block_num field.
7497 * dbxout.c (next_block_number): Remove.
7498 (dbxout_init): Don't set it.
7499 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7500 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7502 * toplev.c (rest_of_compilation): Always call
7503 find_loop_tree_blocks. Fix indentation.
7504 * dwarf2out.c (next_block_number): Remove.
7505 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7506 to determine block numbers.
7507 (gen_inlined_subroutine_die): Likewise.
7508 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7509 (decls_for_scope): Don't increment next_block_number.
7510 * dwarfout.c (next_block_number): Remove.
7511 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7512 to determine block numbers.
7513 (output_inlined_subroutine_die): Likewise.
7514 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7515 (output_decls_for_scope): Don't increment next_block_number.
7516 * sdbout.c (next_block_number): Remove.
7517 (sdbout_block): Use BLOCK_NUMBER.
7518 (sdbout_begin_block): Simplify.
7519 * xcoffout.c (next_block_number): Remove.
7520 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7521 (xcoffout_begin_block): Don't set next_block_number.
7522 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7525 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7527 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7528 (expand_builtin_strcpy): Pass correct type to size_binop.
7529 (expand_builtin_strcmp): Likewise.
7530 Clean up conditional structure.
7531 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7532 (complete_array_type): Don't use size_binop for MAXINDEX.
7533 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7534 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7535 (c_alignof): Use size_one_node.
7536 (build_unary_op): Pass arg of proper type to size_binop.
7537 (really_start_incremental_init, push_init_level): Use sizetype for
7538 constructor{,_bit,_unfilled}_index.
7539 (pop_init_label, output_init_element): Likewise.
7540 (output_pending_init_elements, process_init_element): Likewise.
7541 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7542 * expr.c (store_expr): Use size_int.
7543 (store_constructor): Use proper types for size_binop args.
7544 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7545 (expand_expr_unaligned): Likewise.
7546 (string_contant): Return object of sizetype.
7547 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7548 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7549 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7550 * fold-const.c (int_const_binop): Refine when size_int is called.
7551 (fold_convert): Likewise.
7552 (size_int_wide): Rework to take KIND as arg, only take low order
7553 bits, handle new sizetype_tab datatype, and chain entries in
7555 (size_int_type_wide): New function.
7556 (size_binop): Validate types of arguments.
7557 (ssize_binop): Deleted.
7558 (size_diffop): New function.
7559 (extract_muldiv): Only fold division into multiplication for sizetypes.
7560 * function.c (assign_parms): Use size_diffop and make sure
7561 VAR field is of ssizetype; also pass proper type to size_binop.
7562 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7563 (round_down): Deleted from here.
7564 * store-layout.c (sizetype_tab): Now an array.
7565 (sizetype_set, early_root_list): New variables.
7566 (variable_size): Use size_one_node.
7567 (round_up): Pass proper type to size_binop.
7568 (round_down): Moved to here and corrected as above.
7569 (layout_record): Pass proper arg types to size_binop.
7570 (layout_type): Likewise.
7571 If sizetype_set is zero, record the type just laid out.
7572 (make_unsigned_type): Don't call set_sizetype;
7573 (make_signed_type): Likewise; also, call fixup_signed_type.
7574 (initialize_sizetypes): New function.
7575 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7576 set name of bitsizetype to "bit_size_type".
7577 Fix up type of sizes of all types made before call.
7578 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7579 * tree.c (fix_sizetype): Deleted.
7580 (build_common_tree_nodes): Call initialize_sizetypes.
7581 (build_common_tree_nodes_2): Don't call fix_sizetype.
7582 * tree.h (TYPE_IS_SIZETYPE): New macro.
7583 (initialize_sizetype): New declaration.
7584 (enum size_type_kind): New type.
7585 (struct sizetype_tab): Deleted.
7586 (sizetype_tab): Now array; adjust sizetype macros.
7587 (size_diffop, size_int_type_wide): New functions.
7588 (size_int_wide): Change number of args and type; access macros changed.
7589 (ssize_int, sbitsize_int): New macros.
7590 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7591 (ROUND_TYPE_SIZE_UNIT): New macro.
7593 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7595 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7597 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7599 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7600 Mark as possibly unused.
7602 * cse.c (cse_insn): Delete dead code involving tablejump.
7603 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7605 * Makefile.in (libcpp.a): Start by deleting it.
7607 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7609 * cpplib.h (enum file_change_code): Added rename_file.
7610 * cpplib.c (do_line): If a filename is given, set file_change to
7612 (output_line_command): If file_change is rename_file, always
7613 output a # directive with the file name.
7615 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7617 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7619 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7620 when copying a PARM_DECL or RESULT_DECL.
7622 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7624 * fix-header.c (recognized_function): Also fix prototypes for
7625 functions taking "void".
7627 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7629 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7630 looking at reg_reloaded_contents.
7632 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7634 * Makefile.in (STMP_FIXINC): New toggle.
7635 (LIBGCC2_DEPS): Delete all references.
7636 (stmp-headers): Delete target. All references either deleted
7637 or changed to stmp-int-headers.
7638 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7639 (LIBCPP_OBJS): Take out cppalloc.o.
7640 (cppalloc.o): Delete target.
7641 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7642 (gen-protos, fix-header): Link with libiberty.a.
7643 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7646 * configure.in: Remove refs to strerror.
7647 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7648 * system.h: Take out strerror stanza.
7650 * cpperror.c (my_strerror): Delete function.
7651 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7652 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7653 * cppalloc.c: Delete file.
7654 * gen-protos.c: Don't provide xrealloc.
7656 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7657 xstrerror throughout.
7659 2000-02-26 Bruce Korb <bkorb@gnu.org>
7661 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7662 match for DOS headers, too.
7663 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7665 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7667 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7668 is right for most ELF targets.
7669 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7670 Let the default file use %U properly.
7671 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7674 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7677 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7679 * toplev.c (documented_lang_options): Correct spelling error.
7680 (decode_d_option, decode_f_option, main): Likewise.
7682 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7684 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7685 to tell assembler it is permitted to expand large constants.
7687 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7689 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7690 (aux_info_suffix): Use.
7691 (SAVE_SUFFIX): New macro.
7693 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7694 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7695 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7697 * invoke.texi (Running Protoize): Update documentation.
7699 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7701 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7703 2000-02-25 John Wehle (john@feith.com)
7705 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7707 2000-02-25 Anthony Green <green@cygnus.com>
7709 * toplev.c (rest_of_compilation): Rebuild jump labels if
7710 combine_instructions has created a new direct jump.
7711 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7713 (combine_instructions): Call try_combine with new argument.
7714 Return non-null value when new direct jump instruction is created.
7715 * rtl.h: combine_instructions returns an int.
7717 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7719 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7720 jump when changing a computed jump into a jump to a known
7723 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7725 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7726 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7728 * i386.md (define_expand "clrstrsi"): Fix typo.
7730 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7732 * rtl.texi: Fix typo.
7734 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7736 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7737 UNITS_PER_WORD. Change caller initial_elimination_offset.
7738 (rounded_frame_size): Take into account that argument pushed has
7739 changed. Fix TARGET_ALIGN_DOUBLE problem.
7741 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7743 * haifa-sched.c (schedule_block): Explain the real reason
7744 we delete REG_SAVE_NOTEs on the first insn of a block.
7745 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7747 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7749 * input.h (push_srcloc): New function.
7750 (pop_srcloc): Likewise.
7751 * toplev.c (push_srcloc): Define it.
7752 (pop_srcloc): Likewise.
7754 2000-02-24 Richard Henderson <rth@cygnus.com>
7756 * flow.c (life_analysis): When collecting reg info, clear
7759 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7761 Fix bug exposed by reload.c no longer rounding the frame
7762 size to BIGGEST_ALIGNMENT:
7763 * sh.c (rounded_frame_size): New function.
7764 (sh_expand_prologue, sh_expand_epilogue): Use it.
7765 (initial_elimination_offset): Likewise.
7767 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7769 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7770 * sh-protos.h (sh_need_epilogue): Declare.
7771 * sh.c (sh_need_epilogue_known): New static variable.
7772 (sh_need_epilogue): New function.
7773 (function_epilogue): Clear need_epilogue_known.
7774 * sh.md (return): Split into expander / insn pattern.
7775 Make the expander conditional on ! sh_need_epilogue ().
7777 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7779 * machmode.h (get_mode_alignment): Declare.
7780 (GET_MODE_ALIGNMENT): Call it.
7781 * stor-layout.c (get_mode_alignment): New function. Make
7782 sure alignment is always power of 2.
7784 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7786 * i386.h: Remove useless definition of "I386" and misleading
7789 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7791 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7792 under which TREE_PERMANENT will be set.
7793 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7794 build1): Use TREE_SET_PERMANENT.
7795 * print-tree.c (print_node): Don't report value of
7796 TREE_PERMANENT if ggc_p is true.
7798 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7799 decide whether to give a type a new alias set.
7800 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7801 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7802 of value of 'obstack'.
7805 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7807 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7809 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7811 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7812 * cpplib.c (cpp_get_token): Produce them.
7813 * cppexp.c (cpp_lex): Handle them.
7815 2000-02-23 Nick Clifton <nickc@cygnus.com>
7817 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7818 comment tests on type attributes.
7820 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7822 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7823 conform to documentation.
7824 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7825 to check for special cases.
7826 * sh-protos.h (sh_loop_align): Declare.
7827 * sh.c (sh_loop_align): Define.
7829 2000-02-22 Andrew Haley <aph@cygnus.com>
7831 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7832 (SIZE_TYPE): Is 32 bits when using -mgp32.
7833 (PTRDIFF_TYPE): Ditto.
7835 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7837 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7839 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7841 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7842 BIGGEST_FIELD_ALIGNMENT a constant.
7844 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7846 * dwarf2out.c (output_line_info): Put the marker for the end of
7847 the line number info at the actual end.
7848 (gen_struct_or_union_type_die): Use decl_function_context
7849 to check for local classes.
7850 * dwarfout.c (output_type): Likewise.
7852 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7854 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7855 for arguments with a mode, but no type.
7856 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7857 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7858 * pa/long_double.h: New file.
7859 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7860 both have 128bit wide long doubles.
7861 * configure: Rebuilt.
7863 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7865 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7867 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7868 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7869 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7871 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7873 * integrate.c (compare_blocks, find_block): Likewise.
7875 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7877 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7879 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7880 expand_asm_operands): Likewise.
7882 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7884 * predict.c (estimate_probability): Added the pointer heuristic to
7885 the collection of static branch predictors.
7887 2000-02-21 Catherine Moore <clm@cygnus.com>
7889 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7890 * invoke.texi (-mfix7000): Document.
7892 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7894 * diagnostic.c (init_output_buffer): Make it possible to output at
7895 least 32 characters if we're given a too long prefix.
7897 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7899 * varasm.c (initializer_constant_valid_p): Call
7900 lang_expand_constant to simplify the constant.
7902 2000-02-20 Bruce Korb <bkorb@gnu.org>
7904 * fixinc/inclhack.def(stdio_va_list):
7905 typedef needs to be disabled.
7906 * fixinc/inclhack.sh: regen
7907 * fixinc/fixincl.x: regen
7909 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7911 * print-rtl.c (print_rtx): Don't print addresses when
7912 flag_dump_unnumbered.
7914 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7916 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7918 (sparc_va_arg, sparc_flat_output_function_prologue,
7919 sparc_flat_output_function_epilogue): Cast value to unsigned in
7921 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7923 * sparc.md: Add default case in switch.
7925 2000-02-19 Richard Henderson <rth@cygnus.com>
7927 * c-typeck.c (add_pending_init): Don't abort for multiple
7928 fields at the same offset.
7929 (pending_init_member): Test the correct member.
7931 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7933 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7935 (start_catch_handler) : Same.
7937 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7939 * Makefile.in: Have flow.o depend on $(EXPR_H)
7941 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7943 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7944 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7945 (finish_decl): Remove -Wlarger-than code from here.
7946 * flags.h (id_clash_len): Now int.
7947 (larger_than_size): Now HOST_WIDE_INT.
7948 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7949 Clean up checking to see if in table.
7950 (make_bit_field_ref): Remove extra parm to bitsize_int.
7951 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7952 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7953 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7954 and for computing size of decl.
7955 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7956 Move -Wlarger-than code to here.
7957 (layout_record): Remove extra arg to bitsize_int.
7958 Set TYPE_BINFO_SIZE_UNIT.
7959 (layout_union): Remove extra arg to bitsize_int.
7960 Use proper type for size of QUAL_UNION.
7961 (layout_type): Remove extra arg to bitsize_int.
7962 * toplev.c (id_clash_len): Now int.
7963 (larger_than_size): Now HOST_WIDE_INT.
7964 (decode_W_option): Clean up id-clash and larger-than- cases.
7965 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7966 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7967 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7968 (struct tree_decl): New field size_unit.
7969 (size_int_wide): No HIGH operand; NUMBER is now signed.
7970 (size_int_2): Deleted.
7971 (size_int, bitsize_int): Don't use it and rework args.
7972 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7974 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7976 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7978 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7980 * invoke.texi (Warning Options): Add an explanation of why
7981 you might want the -Wfloat-equal flag.
7983 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7985 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7986 * cppinit.c (new_pending_define): Add cast to avoid warning.
7987 * expmed.c (extract_bit_field): Likewise.
7988 * flow.c (enum reorder_skip_type): New type.
7989 (skip_insns_between_blcok): New it.
7990 Rework to avoid warning about possibly undefined variable.
7991 * function.c (assign_parms): Make thisparm_boundary unsigned.
7992 * genrecog.c (write_switch): Cast XWINT result to int.
7993 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7994 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7995 one for MIPS and one for Alpha.
7996 (get_tag, copy_object): Add casts to avoid warnings.
7997 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7998 * reload.c (find_reloads): Make TYPE enum reload_type.
7999 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8000 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8001 * varasm.c (compare_constant_1): Add cast to avoid warning.
8002 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8004 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8005 Cast switch operand of size to int.
8006 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8007 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8010 2000-02-18 Nick Clifton <nickc@cygnus.com>
8012 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8013 anything for an alignment of zero.
8015 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8016 anything for an alignment of zero.
8018 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8020 * gcc.texi (Bug Reporting): Refer to bugs.html.
8021 (Bug Lists): Likewise.
8022 * system.h (GCCBUGURL): New preprocessor define.
8023 * rtl.c (fancy_abort): Use it.
8024 * gcc.c (main): Likewise.
8026 2000-02-18 Richard Henderson <rth@cygnus.com>
8028 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8029 (life_analysis_1): Subsume into ...
8030 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8031 Use update_life_info for the relaxation.
8032 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8033 entry and regs_live_at_setjmp.
8034 (set_noop_p): Simplify.
8035 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8036 (record_volatile_insns): Split into ...
8037 (delete_noop_moves): ... here,
8038 (notice_stack_pointer_modification): ... here,
8039 (insn_dead_p): ... and here.
8040 (propagate_block): Don't query INSN_VOLATILE.
8041 (mark_used_regs): Mind !PROP_REG_INFO.
8042 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8043 not in life_analysis.
8045 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8047 * loop.c (canonicalize_condition): New function,
8048 broken out of get_condition.
8049 (get_condition): Use it.
8050 * expr.h (canonicalize_condition): Prototype it.
8052 * tree.h (tree_int_cst_msb): Declare.
8053 * tree.c (tree_int_cst_msb): New function.
8055 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8057 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8060 * invoke.texi (-fmessage-length=n): Document.
8062 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8064 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8066 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8068 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8071 2000-02-17 Nick Clifton <nickc@cygnus.com>
8073 * config/arm/thumb.c: Replace includes of system headers with
8074 #include "system.h".
8076 2000-02-16 Richard Henderson <rth@cygnus.com>
8078 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8079 Add crtbeginS.o and crtendS.o.
8080 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8081 (ENDFILE_SPEC): Use crtendS.o.
8082 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8084 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8085 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8087 (__dso_handle): New variable.
8088 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8089 bias to __CTOR_END__.
8091 2000-02-16 Richard Henderson <rth@cygnus.com>
8093 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8095 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8097 * longlong.h (__clz_tab): Declare as static to match definition.
8099 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8100 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8101 (XREF_FILE_NAME): Define.
8103 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8104 (EH_FRAME_SECTION_ASM_OP): Define.
8105 (IDENT_ASM_OP): Define.
8106 (TEXT_SECTION_ASM_OP): Define.
8108 (CTORS_SECTION_ASM_OP): Define.
8109 (CTOR_SECTION_FUNCTION): Use it.
8110 (DTORS_SECTION_ASM_OP): Define.
8111 (DTOR_SECTION_FUNCTION): Use it.
8113 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8115 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8118 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8119 debug_bb_n): New functions.
8120 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8121 * basic-block.h: Prototype new functions.
8123 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8125 * configure.in: Add support for avr target.
8126 * configure: Rebuilt.
8128 * invoke.texi: Add AVR invocation docs.
8129 * install.texi: Add information about AVR.
8130 * md.texi: Add AVR constraint letters description.
8131 * extend.texi: Add description for AVR specific attributes.
8133 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8135 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8137 2000-02-16 Nick Clifton <nickc@cygnus.com>
8139 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8140 (make_insn_raw): Move RTL check here.
8142 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8144 * version.c: Include gansidecl.h and version.h.
8146 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8148 * configure.in (gcc_version): When setting, narrow search to
8149 lines containing `version_string'.
8151 * Makefile.in (mainversion): Likewise.
8152 (GCC_H): New variable.
8153 (gcc.h): Delete target.
8154 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8155 (version.o): Depend on version.h.
8156 (dbxout.o): Don't depend on gcc.h.
8158 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8159 Michael Meissner <meissner@cygnus.com>
8161 * md.texi (Simple Constraints): Add item about whitespace.
8162 * genoutput.c (strip_whitespace): New.
8163 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8164 strip_whitespace for constraints.
8165 Test pointer using NULL, not 0.
8167 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8169 * cpplib.c (do_line): Pedwarn for #line > 32767.
8171 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8173 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8175 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8176 to default cpp spec.
8177 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8178 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8181 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8184 2000-02-15 Denis Chertykov <denisc@overta.ru>
8186 * configure.in: Add support for avr target.
8188 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8190 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8191 (sh_addr_diff_vec_mode): Don't declare.
8192 * sh.c (sh_addr_diff_vec_mode): Delete.
8194 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8196 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8198 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8200 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8201 (smulsi3_highpart_i): Name.
8202 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8203 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8204 (smulsi3_highpart, umulsi3_highpart): Likewise.
8206 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8207 correctly independent of endianness.
8208 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8209 confuse the optimizers.
8210 (mulsidi3+1, umulsidi3+1): New define_split.
8212 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8214 * config/sh/sh.md: Guard insn splits against illegal registers.
8215 * config/sh/sh.h: Correct comment about macros.
8217 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8218 Andrew MacLeod <amacleod@cygnus.com>
8220 * Makefile.in (lcm.o): Depend on insn-attr.h.
8221 * basic-block.h (optimize_mode_switching): Declare.
8222 * lcm.c (tm_p.h, insn-attr.h): #include.
8223 (seginfo, bb_info): New structs.
8224 (antic, transp, comp, delete, insert) : New file-scope static variables.
8225 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8226 (reg_becomes_live, optimize_mode_switching): Likewise.
8227 * tm.texi: Add description of mode switching macros.
8228 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8230 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8231 (fldi_ok, fpscr_set_from_mem): New prototypes.
8232 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8233 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8234 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8235 (sh_flag_remove_dead_before_cse): Remove declaration.
8236 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8237 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8238 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8239 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8240 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8241 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8242 (fldi_ok): New function.
8243 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8244 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8245 (emit_df_insn): Likewise.
8246 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8247 (sh_flag_remove_dead_before_cse): Delete.
8248 (get_free_reg, fpscr_set_from_mem): New functions.
8249 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8250 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8252 2000-02-15 Loren Rittle <ljrittle@acm.org>
8254 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8256 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8258 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8259 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8261 * cccp.c: Include version.h and/or don't declare `version_string'.
8262 * collect2.c: Likewise.
8263 * alpha.c: Likewise.
8264 * arm/aof.h: Likewise.
8265 * arm/coff.h: Likewise.
8266 * arm/elf.h: Likewise.
8267 * arm/pe.h: Likewise.
8268 * arm/tcoff.h: Likewise.
8269 * arm/telf.h: Likewise.
8270 * arm/tpe.h: Likewise.
8271 * arm/vxarm.h: Likewise.
8272 * convex/convex.c: Likewise.
8273 * i386/dgux.c: Likewise.
8274 * i386/sun386.h: Likewise.
8275 * m88k/m88k.c: Likewise.
8276 * mcore/mcore-pe.h: Likewise.
8277 * mips/mips.h: Likewise.
8278 * romp/romp.h: Likewise.
8279 * sh/sh.c: Likewise.
8280 * cpphash.c: Likewise.
8281 * cppinit.c: Likewise.
8282 * dwarf2out.c: Likewise.
8283 * dwarfout.c: Likewise.
8286 * mips-tfile.c: Likewise.
8287 * protoize.c: Likewise.
8288 * toplev.c: Likewise.
8291 * version.c (version_string): Constify a char*.
8293 * version.h: New file.
8295 2000-02-14 Nick Clifton <nickc@cygnus.com>
8297 * configure.in: Add mcore-elf and mcore-pe targets.
8298 * configure: Regenerate.
8300 * NEWS: Add note that MCore port has been contributed.
8302 * invoke.texi: Document command line switches for MCore port.
8303 * install.texi: Add MCore to list of supported targets.
8305 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8307 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8308 then we will need to import the frame handling functions.
8309 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8310 to import the frames themselves.
8312 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8313 Jason Eckhardt <jle@cygnus.com>
8315 * basic_block.h: Added prototype for reorder_basic_blocks.
8316 * toplev.c: Changes to add -freorder-blocks and graph dump after
8317 block reordering is done.
8318 * flow.c (reorder_block_def): New structure for use during block
8320 (REORDER_BLOCK_*): New macros to access members of above structure.
8321 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8322 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8323 functions for block reordering.
8325 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8327 * gcc.texi (Passes): Fix typo.
8328 * md.texi (Standard Names): Ditto.
8329 * tm.texi (Storage Layout): Ditto.
8331 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8333 * cpplib.c (do_define): Only free the old definition if it
8336 2000-02-13 Neil Booth <NeilB@earthling.net>
8338 * cppfiles.c (read_and_prescan): When emitting deferred
8339 newlines, test speccase[] again instead of checking each
8340 possible whitespace character in turn. When we encounter \r,
8341 look behind for \n first, then ahead.
8343 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8345 * cse.c (cse_altered): New internal flag.
8346 (cse_insn): Set it if we changed an insn.
8347 (cse_main): Clear cse_altered before each basic block.
8348 Only garbage collect if cse_altered is true afterward.
8350 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8352 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8354 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8356 * combine.c (simplify_comparison): Fix typo.
8358 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8360 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8363 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8365 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8366 previously inserted node instead of root node. Caller changed.
8368 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8370 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8372 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8374 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8375 __dereg_frame_dtor): Add prototype argument.
8377 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8379 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8381 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8383 * gthr-vxworks.h (__gthread_once): Likewise.
8385 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8387 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8389 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8390 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8391 stack pointer in functions w/o saved registers, output LEAVE more often
8392 on TARGET_USE_LEAVE machines.
8394 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8396 * config/arm/arm.c (arm_init_cumulative_args); New function:
8397 Initlaise the CUMULATIE_ARGS strcuture for a function
8399 (arm_function_arg): New function: Determine where to place a
8400 function's argument. Also handles deciding the function's
8402 (current_file_function_operand): New function: Return true if
8403 the symbol is a function which has already been compiled.
8404 (arm_is_long_call_p): New function: Return true if the
8405 indicated function should be called via a long call.
8406 (arm_valid_type_attribute_p): New function: Return true if the
8407 attribute is a valid, arm specific, attribute.
8408 (arm_comp_type_attribute): New function: Return true if the
8409 two types have compatable, arm specific, attributes.
8411 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8413 (FUNCTION_ARG): Redefine to call arm_function_arg.
8414 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8416 (INIT_CUMULATIVE_ARGS): Redefine to call
8417 arm_init_cumulative_args.
8418 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8420 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8422 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8424 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8425 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8426 (COMP_TYPE_ATTRIBUTES): Define.
8428 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8429 if a long call is needed.
8430 (call_value): Call arm_is_long_call_p to decide if a long call
8432 (call_symbol): Call arm_is_long_call_p to decide if a long call
8435 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8437 2000-02-11 Denis Chertykov <denisc@overta.ru>
8439 * README.AVR: New file with information about the avr ports.
8440 * config/avr: New directory with avr port files.
8442 2000-02-11 Andreas Jaeger <aj@suse.de>
8444 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8446 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8448 * cpphash.c: Fix formatting, update commentary.
8449 (dump_definition): Take three separate arguments instead of a
8450 MACRODEF structure argument.
8451 * cpphash.h: Update prototype of dump_definition.
8452 * cppinit.c (cpp_finish): Update call of dump_definition.
8454 * cpplib.c (do_define): Always create new hash entry with
8455 T_MACRO type. Remove redundant check for redefinition of
8456 poisoned identifier. Update call of dump_definition.
8457 (do_undef): Don't call check_macro_name. Rename sym_length to
8459 (do_error, do_warning): Don't use copy_rest_of_line or
8461 (do_warning): Don't use pedwarn for the actual warning,
8462 only the notice about its not being in the standard. (Fixes
8463 bug with #warning in system headers.)
8464 (do_ident): Stricter argument checking - accept only a single
8465 string after #ident. Also, macro-expand the line.
8466 (do_xifdef): Use cpp_defined. De-obfuscate.
8468 (do_pragma): Split out specific pragma handling to separate
8469 functions. Use get_directive_token. Update commentary. Do
8470 not pass on #pragma once or #pragma poison to the front end.
8471 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8472 do_pragma_default): New.
8474 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8476 * jump.c (jump_optimize_1): The first operand in a relational
8478 * optabs.c (emit_conditional_move): Handle relationals which
8479 have a known true/false result.
8481 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8483 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8484 a RETURN insn into a block which already ends with a jump.
8486 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8488 * haifa-sched.c (BUF_LEN): Increase a lot.
8490 2000-02-11 Nick Clifton <nickc@cygnus.com>
8492 * configure.in: Add tm_p_file specification for thumb targets.
8493 * configure: Regenerate.
8495 * config/arm/thumb-protos.h: New file: Prototypes for exported
8496 functions defined in thumb.c.
8498 2000-02-11 Robert Lipe <robertl@sco.com>
8500 * Makefile.in (bootstrap-lean): Remove additional files.
8501 (bootstrap2-lean): Likewise.
8502 (VOL_FILES): List of files for above.
8504 2000-02-11 Nathan Sidwell <nathan@acm.org>
8506 * cpphash.c (special_symbol): Remove spurious argument to
8509 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8511 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8513 * configure: Rebuilt.
8515 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8517 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8519 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8521 * pa.c, pa.h: Remove trigraph sequences within comments.
8523 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8525 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8527 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8529 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8531 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8533 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8535 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8537 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8538 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8539 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8540 (ASM_FILE_END): Use c4x_file_end.
8541 * config/c4x/c4x.c (c4x_global_label): New function.
8542 (c4x_external_ref, c4x_file_end): Likewise.
8544 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8545 (c4x_external_ref, c4x_end_file): Likewise.
8547 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8549 * cppexp.c: Don't include cpphash.h.
8550 (parse_charconst, cpp_lex): Use cpp_defined.
8551 (cpp_lex): Use get_directive_token throughout. Remove
8552 unnecessary cases from switch. Move assertion-handling code
8554 (cpp_parse_expr): If we see '+' or '-', check the context to
8555 determine if they are unary or binary operators. Streamline
8556 the jumps a bit. Do not call skip_rest_of_line.
8558 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8559 static. Export get_directive_token. Update commentary.
8560 (cpp_defined): New function.
8561 (do_define): Remove reference to T_PCSTRING. Call
8562 free_definition to release memory for old definition, when
8564 (eval_if_expression): Set only_seen_white to 0 before calling
8565 cpp_parse_expr. Call skip_rest_of_line after it returns.
8566 (cpp_read_check_assertion): Don't preserve a pointer into the
8567 token buffer across a call to cpp_get_token.
8569 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8570 * cppfiles.c (redundant_include_p): Use cpp_defined.
8571 * cpphash.c (free_definition): New function.
8572 (delete_macro): Use it. Update commentary.
8573 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8575 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8576 from enum node_type. Prototype cpp_defined and get_directive_token.
8577 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8579 * fix-header.c (check_macro_names): Use cpp_defined.
8580 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8581 the options structure.
8583 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8585 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8587 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8589 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8590 rather than die->die_tag.
8592 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8594 * combine.c (make_extraction, force_to_mode): Avoid warning on
8595 mixed-signedness conditionals.
8596 (make_field_assignment, nonzero_bits): Likewise.
8597 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8598 (store_split_bit_field, extract_split_bit_field): Likewise.
8599 (extract_fixed_bit_field, store_bit_field,
8600 * expr.c: Change alignment to be unsigned everywhere.
8601 (move_by_pieces, store_constructor_field, store_constructor):
8602 Alignment parm is unsigned.
8603 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8604 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8605 (do_compare_rtx_and_jump): Likewise.
8606 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8607 Compare align with GET_MODE_ALIGNMENT.
8608 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8609 (get_inner_reference): Likewise.
8610 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8611 (expand_assignment): Local vars for alignment now unsigned.
8612 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8613 (do_compare_and_jump): Likewise.
8614 (store_field): Call new function expr_align.
8615 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8616 Alignment arg now unsigned.
8617 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8618 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8619 (extract_bit_field): Likewise.
8620 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8621 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8622 (get_best_mode): Alignment arg is unsigned.
8623 * rtl.h (move_by_pieces): Likewise.
8624 * store-layout.c (maximum_field_alignment, set_alignment):
8626 (layout_decl): Alignment arg is now unsigned.
8627 Remove unneeded casts.
8628 (layout_record, layout_union, layout_type): Remove unneeded casts.
8629 Local alignment variables now unsigned.
8630 (get_best_mode): Alignment arg now unsigned.
8631 * tree.c (expr_align): New function.
8632 * tree.h (expr_align): Likewise.
8633 (maximum_field_alignment, set_alignment): Now unsigned.
8634 (get_inner_reference): Alignment argument is now pointer to unsigned.
8635 * varasm.c (assemble_variable): Add cast to eliminate warning.
8637 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8639 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8640 then store directly into op0.
8642 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8643 the CALL_INSN, and emit the note immediately after it.
8645 2000-02-10 Nick Clifton <nickc@cygnus.com>
8647 * config/arm/thumb.md (epilogue): Include a (return) in the
8648 generated insn, and emit it using emit_jump_insn not
8651 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8653 * function.c (assign_temp): Change zero-sized arrays to size 1.
8654 * integrate.c (expand_inline_function): Do not update
8655 stack_alignment_needed
8656 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8657 add some sanity checking, remove optimization for function with
8660 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8662 * flow.c (mark_regs_live_at_end): Delete unused variables.
8664 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8666 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8667 in macro FRAME_GROWS_DOWNWARD.
8669 * stmt.c (expand_end_bindings): Delete unused variable.
8671 * unroll.c (iteration_info): Mark parameter `loop' with
8674 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8676 * fixinc/server.c (load_data): Return NULL if the marker line is
8678 (run_shell): If load_data returns NULL, retry the command once, in
8681 * configure: Rebuilt.
8683 2000-02-09 Bruce Korb <bkorb@gnu.org>
8685 * gcc/fixincludes: ** DELETED **
8686 * gcc/fixcpp: ** DELETED **
8687 * gcc/fixinc-nt.sed: ** DELETED **
8688 * gcc/just-fixinc: ** DELETED **
8689 * gcc/Makefile.in: Removed out-dated commentary
8690 * gcc/configure.in: Removed fast-fixincludes disablement.
8691 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8693 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8694 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8697 2000-02-09 Richard Henderson <rth@cygnus.com>
8699 * jump.c (delete_insn): Don't delete user labels at -O0.
8701 2000-02-09 Robert Lipe <robertl@sco.com>
8703 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8704 Don't link with HOST_LIBS.
8706 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8708 * configure.in: Correct --help text for --with-dwarf2.
8709 Put tm-dwarf2.h after other tm files, if it's requested.
8710 * configure: Regenerate.
8711 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8714 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8716 * cpplib.h: Provide HASHNODE typedef and forward decl of
8717 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8718 DEFINITION, struct hashnode, struct macrodef, struct
8719 definition, scan_decls prototype, default defn of
8720 INCLUDE_LEN_FUDGE moved elsewhere.
8722 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8723 definition, and struct hashnode moved here. Remove the unused
8724 'predefined' field from struct definition. Replace the 'args'
8725 union with its sole member. All users updated (cpphash.c).
8726 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8727 multiple include guard.
8729 * cpphash.c (hashf): Make static; use better algorithm; drop
8730 HASHSIZE parameter; return an unsigned int.
8731 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8732 used. Calculate HASHSIZE modulus here.
8733 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8735 (create_definition): Drop PREDEFINITION parameter.
8736 * cpplib.c (do_define): Don't calculate a hash value here.
8737 Don't pass (keyword == NULL) to create_definition.
8739 * scan.h: Prototype scan_decls here.
8740 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8741 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8742 callers of cpp_lookup and cpp_install updated.
8744 * cpphash.c (macarg): Hoist all the flag diddling out of the
8746 (macroexpand): ... and out of the loop that calls macarg.
8747 Skip over the initial paren before macro arguments with
8748 cpp_get_non_space_token; point may be some distance before
8749 that paren. Abort if it's not there.
8751 * cpplib.c (parse_clear_mark): Delete function.
8752 (parse_set_mark, parse_goto_mark): Make static.
8753 (ACTIVE_MARK_P): New macro.
8754 (skip_block_comment, skip_line_comment): Do not bump the line
8755 if ACTIVE_MARK_P is true.
8756 (cpp_pop_buffer): The buffer to be popped may not have an
8758 (cpp_get_token): When looking for the initial paren before
8759 macro arguments, only set a mark in a file buffer, Always
8760 return to that mark before proceeding to call macroexpand or
8761 return a NAME token.
8763 * cpplib.h: Remove prototypes of parse_set_mark,
8764 parse_clear_mark, parse_goto_mark.
8765 (struct cpp_options): Rename 'put_out_comments' to
8766 'discard_comments' and invert its sense.
8767 * cppinit.c, cpphash.c, cpplib.c: All users of
8768 put_out_comments changed to use discard_comments, with
8771 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8773 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8774 the edge from a block that both jumps and falls through to the
8777 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8779 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8780 constant source address is legitimate.
8782 2000-02-09 Philip Blundell <pb@futuretv.com>
8784 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8787 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8789 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8791 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8793 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8794 ends with a newline and a NUL. Don't be so clever manipulating
8797 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8799 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8800 not to BIGGEST_ALIGNMENT.
8802 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8804 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8805 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8806 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8807 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8808 * frame.c (execute_cfa_insn): Handle
8809 DW_CFA_GNU_negative_offset_extended.
8811 2000-02-08 Richard Henderson <rth@cygnus.com>
8813 * flow.c (tidy_fallthru_edges): Split out from ...
8814 (delete_unreachable_blocks): ... here.
8815 (find_basic_blocks): Use it.
8817 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8819 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8821 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8823 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8824 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8825 (fix-header.o): Don't depend on cpphash.h.
8827 * scan.c (hashstr): New function.
8828 * scan.h: Prototype it.
8829 * fix-header.c: Don't include cpphash.h. Use hashstr.
8830 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8831 hashstr. Report hash table statistics. Add private
8832 definition of xrealloc.
8834 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8836 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8838 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8840 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8841 jumps with returns unless they are jumps to the fallthru block.
8843 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8845 * i386.md (addqi3_cc): Fix contraints.
8847 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8849 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8851 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8853 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8854 carriage return after a macro name.
8856 2000-02-07 Fred Fish <fnf@be.com>
8858 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8859 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8861 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8863 * cppfiles.c (deps_output): Count spacers in deps_column.
8865 2000-02-07 Neil Booth <NeilB@earthling.net>
8867 * cppinit.c (initialize_dependency_output): If there is no
8868 suffix, don't try to look for known suffixes. Use strrchr.
8869 (cpp_start_read): Remove duplicate initialization.
8871 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8873 * calls.c (compute_argument_block_size): New argument
8874 preferred_stack_boundary.
8875 (expand_call): update cfun->preferred_stack_boundary, update call of
8876 compute_argument_block_size
8877 (emit_library_call): Increate cfun->preferred_stack_boundary
8878 to PREFERRED_STACK_BOUNDARY
8879 (emit_library_call_value): Likewise.
8880 * explow.c (allocate_dynamic_stack_spave): Likewise.
8881 * function.c (prepare_function_start): Set
8882 cfun->preferred_stack_boundary
8883 * function.h (struct function): Add preferred_stack_boundary field.
8884 * integrate.c (expand_inline_function): Update
8885 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8886 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8887 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8889 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8891 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8892 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8893 cpp_pedwarn, cpp_pedwarn_with_line,
8894 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8895 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8896 v_cpp_error_with_line, v_cpp_warning_with_line,
8897 cpp_message_from_errno, cpp_perror_with_name): Delete.
8899 * cpperror.c (cpp_print_containing_files): Take starting
8901 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8902 (v_cpp_message): Now called directly by all entry points.
8904 (cpp_pfatal_with_name, cpp_message): Delete.
8905 (cpp_notice_from_errno, cpp_ice): New functions.
8906 (cpp_notice): Is now for reporting error conditions, just
8907 without an associated file.
8908 (cpp_error, cpp_error_with_line): Don't do anything if
8909 opts->inhibit_errors is on.
8910 (cpp_pedwarn_with_file_and_line): Take column argument also.
8912 * cpplib.h: Update prototypes of exported functions.
8913 (struct cpp_options): Add inhibit_errors.
8915 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8916 non-error messages. Include intl.h.
8918 * cppinit.c, cppmain.c: Likewise. Also, use
8919 cpp_notice_from_errno instead of cpp_perror_with_name or
8920 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8922 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8923 report internal errors.
8925 * cpplib.c (do_define): Switch bcopy to memcpy.
8926 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8928 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8929 bail out early if we hit a line comment.
8931 2000-02-06 Richard Henderson <rth@cygnus.com>
8933 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8934 * basic-block.h: Declare them.
8935 * emit-rtl.h (active_insn_p): New.
8936 (next_active_insn, prev_active_insn): Use it.
8937 * rtl.h: Declare it.
8938 * function.c (emit_return_into_block): New.
8939 (thread_prologue_and_epilogue_insns): Insert return insns instead
8940 of epilogues when possible.
8941 * jump.c (jump_optimize_1): Remove code to insert a return insn
8942 on the fallthru to the exit block.
8944 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8945 and for non-empty stack frames.
8946 * i386.md (return): Expand to return-pop as needed.
8948 2000-02-06 Richard Henderson <rth@cygnus.com>
8950 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8951 constant to op1 for testing.
8953 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8955 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8956 (fixuns_truncqfqi2): Use it.
8958 2000-02-06 Richard Henderson <rth@cygnus.com>
8960 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8963 * i386.md (widening and peepholes): Mask the constant instead of
8966 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8968 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8969 input pointer before possibly branching off to the backslash
8971 * cpphash.c (macroexpand): Correctly delete \r escapes when
8972 stringifying parameters.
8973 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8974 if we can; bail out early if we hit a line comment.
8975 (handle_directive): Treat '# 123' in an .S file just like
8976 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8977 Return 1 for '# not_a_directive'.
8978 (get_directive_token): Pop macro buffers here, so that
8979 cpp_get_token can't sneakily move past a newline.
8981 (cpp_get_token): goto randomchar if handle_directive returns 0.
8983 * cppalloc.c: Update copyright.
8984 * cpplib.c: Merge all the static function prototypes into one
8986 * cpplib.h: Remove #if 0 block.
8988 * cpperror.c: Remove #ifdef EMACS block.
8989 * cppmain.c: Likewise.
8990 * cpphash.c: Remove #if 0 blocks.
8991 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8992 * cpplib.c: Remove #if 0 blocks and code referencing
8993 pcp_inside_if or for_lint. Remove duplicate error message.
8994 Fix error messages for #else after #else or #elif. Reformat.
8995 Remove archaic TODO list.
8996 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8998 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9000 * i386/osf1elf.h: Add missing backslash to multiline string.
9002 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9004 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9006 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9008 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9010 * c-common.c: Include expr.h.
9012 * c-pragma.c (mark_align_stack): Add prototype.
9014 * caller-save.c (add_stored_regs): Likewise.
9016 * combine.c (record_promoted_value): Likewise.
9018 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9021 * cppinit.c (new_pending_define): Likewise.
9023 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9025 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9026 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9027 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9028 class_scope_p): Likewise.
9030 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9031 dwarf2out_add_library_unit_info): Likewise.
9033 * ggc.h (ggc_page_print_statistics): Likewise.
9035 * haifa-sched.c (propagate_deps): Likewise.
9037 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9039 * rtl.h (set_stack_check_libfunc): Likewise.
9041 * toplev.h (set_fatal_function): Likewise.
9043 * toplev.c (set_fatal_function): Delete prototype.
9045 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9047 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9049 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9050 (FUNC_END): Likewise.
9052 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9054 * caller-save.c: Include tm_p.h.
9056 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9058 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9060 2000-02-04 Neil Booth <NeilB@earthling.net>
9062 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9065 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9067 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9068 * genflags.c: Use the max_operand_1 logic from genemit.c to
9069 calculate how many arguments gen_insn prototypes have. Remove
9070 NO_MD_PROTOTYPES ifdefs from the generated file.
9071 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9072 file. Cast gen_insn initializers to insn_gen_fn.
9073 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9074 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9076 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9078 * fixinc/Makefile.in (HDR): Add machname.h.
9081 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9083 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9084 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9085 (c4x_cpu_version): Ditto.
9086 * config/c4x/c4x-protos.h: ... here.
9088 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9090 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9091 gen_abstract_function on our context if we're a nested function.
9093 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9095 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9096 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9098 2000-02-04 Bruce Korb <bkorb@gnu.org>
9100 * fixinc/genfixes(machname.h):
9101 Move the functionality from gen-machine.h into this file.
9102 UNdef MN_NAME_PAT if there are no names to change.
9103 Also, be a little kinder when AutoGen is not present.
9105 * fixinc/Makefile.in(machname.h):
9106 Change the generation rule to use genfixes.
9108 * fixinc/fixfixes.c(machine_name):
9109 machine_name_fix's functionality now dependent upon whether
9110 MN_NAME_PAT is defined.
9112 * fixinc/fixtests.c(machine_name):
9115 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9118 * fixinc/fixlib.h(mn_get_regexps):
9121 * fixinc/gen-machine.h: DELETED
9123 2000-02-04 Jan Hubicka <jh@suse.cz>
9124 Richard Henderson <rth@cygnus.com>
9126 * i386.c (SAVE_REGS_FIRST): Remove.
9127 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9128 (ix86_compute_frame_size): Likewise.
9129 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9130 (ix86_emit_restore_regs): Remove.
9131 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9132 when a frame pointer is in use.
9133 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9134 instead of pop to restore a register when profitable; emit leave
9136 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9138 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9139 * i386.md (prologue_allocate_stack): Remove.
9140 (epilogue_deallocate_stack): Remove.
9141 (pro_epilogue_adjust_stack): New.
9143 2000-02-04 Richard Henderson <rth@cygnus.com>
9145 * function.c (diddle_return_value): Rework to use a callback function.
9146 Use current_function_return_rtx if it's been set up.
9147 (do_clobber_return_reg, clobber_return_register): New.
9148 (do_use_return_reg, use_return_register): New.
9149 (expand_function_end): Use them.
9150 * stmt.c (expand_null_return): Likewise.
9151 * function.h: Declare them.
9152 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9153 (mark_reg): Change arguments as appropriate for callback.
9154 * integrate.c (expand_inline_function): Revert 19 Jan change.
9156 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9158 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9159 (Misc): Say the scheduler, not the Haifa scheduler.
9161 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9163 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9164 when in_mem is set. Update all callers.
9166 2000-02-04 Richard Henderson <rth@cygnus.com>
9168 * i386/openbsd.h (INT_ASM_OP): Define.
9170 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9172 * tm.texi: Fix various typos.
9174 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9176 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9177 (MD_STARTFILE_PREFIX_1): New macro.
9179 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9181 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9182 destination when needed.
9183 (strmovsi, strsetsi): New expander.
9184 (strmovsi_1, strsetsi_1): New pattern.
9185 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9186 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9187 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9188 * invoke.texi (align-stringops, inline-all-stringops): Document.
9190 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9192 * i386/netbsd.h (INT_ASM_OP): Define.
9194 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9196 * cpplib.h (cpp_reader): Add new flag, no_directives.
9197 * cpphash.c (macarg): Set it.
9198 * cpplib.c (handle_directive): If no_directives is on and we
9199 find a directive, issue an error and discard the line.
9201 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9203 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9204 FP constants. Add ! TARGET_FPU check for FP constants.
9206 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9208 * flow.c (find_basic_blocks): Don't kill label_value_list
9210 (cleanup_cfg): Kill it here.
9212 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9214 * expr.c (store_field): Ensure ALIGN is no stricter than the
9217 2000-02-02 Richard Henderson <rth@cygnus.com>
9219 * jump.c (delete_insn): Partially revert 19 Jan change;
9220 don't convert unused code labels to notes at -O0.
9222 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9224 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9225 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9227 2000-02-01 Richard Henderson <rth@cygnus.com>
9229 * i386.c (general_no_elim_operand): New.
9230 (nonmemory_no_elim_operand): New.
9231 (ix86_expand_move): Copy eliminable operands before a push.
9232 * i386-protos.h: Declare new functions.
9233 * i386.h (CAN_ELIMINATE): Simplify.
9234 (PREDICATE_CODES): Update.
9235 * i386.md (push insns): Don't allow eliminable register operands.
9237 2000-02-01 Richard Henderson <rth@cygnus.com>
9239 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9240 replace BLKmode with DECL_RTL's mode.
9242 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9244 * frame.c (find_fde): Convert for loop to do-while so compiler
9245 sees it's always executed at least once.
9246 * libgcc2.c (BBINBUFSIZE): Kill.
9247 (__bb_init_prg): Use fgets.
9248 (__bb_exit_trace_func): Don't paste strings.
9249 * unroll.c (unroll_loop): Initialize unroll_type, not
9250 unroll_number, and tweak logic to match.
9252 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9254 (ix86_flags_dependant): Likewise. Disentangle control flow.
9255 (ix86_sched_reorder): Break guts out to
9256 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9257 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9260 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9261 use string concatenation. Don't save and restore esi.
9263 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9264 (machname.h): Remove script to separate file. Use two-step
9265 sequence so target is not created if script fails.
9266 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9267 identifiers are defined.
9268 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9269 an empty string, machine_name doesn't need to do anything at
9271 (is_cxx_header): Add more cases to regexp.
9272 * fixinc/fixlib.h: Update prototype.
9273 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9275 * fixinc/fixincl.c: Define NO_BOGOSITY.
9277 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9278 (hp_sysfile): Add missing comma.
9279 (math_exception): Put the wrapper ifdefs at the beginning and
9280 the end of the file.
9281 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9283 2000-02-01 Richard Henderson <rth@cygnus.com>
9285 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9286 Use CONST0_RTX. Update all callers.
9287 * sparc.h, sparc-protos.h: Update accordingly.
9288 * sparc.md (fp mov insns): Use fp_zero_operand directly
9291 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9293 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9296 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9298 * Makefile.in (specs.ready): New target.
9299 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9301 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9303 * fixinc.irix: Use unique filenames for writing into /tmp,
9304 * fixinc.ptx: Likewise.
9305 * fixinc.sco: Likewise.
9306 * fixinc.svr4: Likewise.
9307 * fixinc.winnt: Likewise.
9309 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9311 * tsystem.h: New file.
9313 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9314 s-crtS): Depend on tsystem.h.
9316 * crtstuff.c: Include tsystem.h.
9317 * frame.c: Likewise.
9318 * libgcc2.c: Likewise.
9320 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9322 * builtins.c (expand_builtin_memset): Expand for variable sized
9325 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9327 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9330 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9332 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9334 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9336 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9338 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9339 case 3->2 combining (combining with splitting) in which 2 is CC0
9340 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9341 checked at the begining of the function with the aid of calling
9342 function 'can_combine_p'.
9344 2000-01-31 Dave Brolley <brolley@redhat.com>
9346 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9348 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9350 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9353 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9355 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9357 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9360 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9362 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9363 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9364 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9365 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9366 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9367 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9368 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9369 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9370 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9371 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9373 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9374 Add %(cpp_cpu) to CPP_SPEC.
9376 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9377 Add %(cc1_cpu) to CC1_SPEC.
9379 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9381 * c-decl.c (c_decode_option): Accept optional numeric argument to
9382 -Wformat and set warn_format.
9383 * c-common.c: Don't emit warning about non-constant printf format
9384 string unless warn_format > 1.
9386 2000-01-30 Richard Henderson <rth@cygnus.com>
9388 * alpha.md (return_internal): Allow after reload only.
9390 2000-01-30 Richard Henderson <rth@cygnus.com>
9392 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9393 local frame size is zero.
9395 2000-01-30 Richard Henderson <rth@cygnus.com>
9397 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9398 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9399 * alpha.md (return): Turn into an expander.
9400 (return_internal): Don't use $26.
9401 (epilogue): Emit the return insn.
9403 2000-01-30 Richard Henderson <rth@cygnus.com>
9405 * alpha.md (negtf2, abstf2): Fix word order thinko.
9407 (trunctfsf2): Avoid intermediate rounding errors.
9409 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9411 * cppfiles.c (find_position): Drop 'colp' argument, return the
9413 (read_and_prescan): Adjust to match. Don't ever manipulate
9414 line or line_base except via find_position.
9416 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9418 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9419 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9422 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9424 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9425 just print "<command line>". If 'filename' is null or an
9426 empty string, print "<stdin>" for the filename.
9427 * cpplib.c (do_define): Don't print the 'location of the
9428 previous definition' message if we're still parsing the
9430 (cpp_pedwarn_with_file_and_line): Always call
9431 cpp_file_line_for_message.
9433 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9435 * flow.c (mark_regs_live_at_end): Fix typo.
9437 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9439 * c-common.c: Adjust variable names, comments, help strings to c99.
9440 * c-lex.c: Likewise.
9441 * c-parse.y: Likewise.
9442 * c-tree.h: Likewise.
9444 * cpplib.h: Likewise.
9445 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9446 * cppinit.c: Likewise.
9448 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9450 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9451 * c4x.c: Define the optab rtx values.
9452 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9453 (c4x_emit_libcall): Use new optab rtx values.
9454 (c4x_emit_libcall3): Likewise.
9455 (c4x_emit_libcall_mulhi): Likewise.
9456 * c4x-protos.h: Add prototypes for optab rtx values and change
9457 prototypes for above c4x_emit_libcall functions.
9459 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9461 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9463 (c4x_function_prologue): Use regnames intead of float_reg_names when
9465 (c4x_function_epilogue): Likewise.
9466 (c4x_print_operand): Likewise.
9467 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9468 * c4x.md (set_high): Disable for TARGET_TI.
9470 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9472 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9473 of framepointer + constant to ADDR_REGS class.
9474 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9475 * c4x.c (std_or_reg_operand): New function.
9476 * c4x-protos.h (std_or_reg_operand): Prototype it.
9478 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9480 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9481 object names as libgcc2.c.
9482 * libgcc.S: Use newly defined names.
9484 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9485 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9487 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9488 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9489 (FLOW_LOOP_LAST_BLOCK): Likewise.
9491 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9493 * basic-block.h (struct loop): New fields 'first' and 'last'.
9494 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9495 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9496 and loop->last to check for NOTE_INSN_LOOP_END.
9498 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9500 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9501 of the loop descriptor rather than HEADER and LATCH. Also added
9502 missing break statements as well making some coding style modifications
9503 as suggested by Michael Hayes.
9505 2000-01-28 Richard Henderson <rth@cygnus.com>
9507 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9508 Break out that code ...
9509 (cleanup_cfg): ... here.
9510 (commit_one_edge_insertion): Detect a return instruction being
9511 emitted to an edge. Emit a barrier following; clear fallthru.
9512 (commit_edge_insertions): Verify CFG consistency.
9513 * function.c (expand_function_start): Kill unused variable.
9514 (expand_function_end): Likewise.
9515 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9516 to insert the epilogue.
9518 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9519 (delete_null_pointer_checks): Likewise.
9520 * output.h: Likewise.
9521 * reg-stack.c (reg_to_stack): Likewise.
9522 * toplev.c (rest_of_compilation): Likewise. Run
9523 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9525 2000-01-28 Richard Henderson <rth@cygnus.com>
9527 * Makefile.in (flow.o): Revert 24 Jan change.
9528 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9529 FUNCTION_VALUE result to DECL_RESULT's mode.
9531 * haifa-sched.c (schedule_insns): Don't recompute reg info
9534 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9536 * configure.in: Make --enable-cpplib the default.
9537 * configure: Regenerate.
9538 * gcc.dg/990119-1.c: No longer expected to fail.
9540 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9542 * jump.c (jump_optimize_1): Delete an optimization that is also done
9543 by merge_blocks in flow.
9545 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9547 * diagnostic.c (build_message_string, output_printf,
9548 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9549 (build_location_prefix): Fix non-literal format string.
9551 2000-01-27 Richard Henderson <rth@cygnus.com>
9553 * alpha.md (trunctfsf2): New.
9555 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9557 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9559 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9561 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9563 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9565 (skip_comment) ... here. Permit C++ comments in system
9566 headers always. Warn about C++ comments in user code under
9567 -std=gnu89 -pedantic.
9568 (copy_comment): Use skip_comment.
9569 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9571 (consider_directive_while_skipping, do_else, do_endif): Call
9572 validate_else unconditionally.
9573 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9574 text after the conditional in a system header.
9575 * cpplib.h (struct cpp_buffer): Add flag
9576 warned_cplusplus_comments.
9578 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9580 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9581 Use unshare_all_rtl_1.
9582 (unshare_all_rtl_again): New function.
9583 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9585 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9586 rather than resetting the 'used' flags ourself.
9588 * toplev.c (rest_of_compilation): Add current_function_decl
9589 to the unshare_all_rtl call.
9590 * tree.h: Prototype unshare_all_rtl.
9591 * rtl.h: Prototype unshare_all_rtl_again here.
9593 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9595 * genoutput.c (output_prologue): Include ggc.h in generated
9597 * Makefile.in (insn-output.o): Depends on ggc.h.
9599 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9600 Hans-Peter Nilsson <hp@bitrange.com>
9602 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9603 Remove redundant include of xm-ns32k.h.
9604 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9605 Remove redundant include of xm-ns32k.h.
9606 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9607 Remove redundant include of xm-ns32k.h.
9608 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9610 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9611 (TARGET_SWITCHES): Add documentation strings.
9612 (DWARF_FRAME_REGNUM): Override default definition.
9613 (REG_CLASS_CONTENTS): Add comments.
9614 (SUBSET_P): Format to reduce line length.
9615 (SMALL_REGISTER_CLASSES): Make a run time option.
9616 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9617 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9618 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9619 (regclass_map): fix typo in comment.
9620 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9621 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9622 (trace, reg_or_mem_operand): Delete, unused function.
9623 (calc_address_cost): Small offsets are cheaper than large ones.
9624 (expand_block_move): Generate more efficient code when bytes is a
9625 known at compile time.
9626 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9627 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9628 instead of reg_or_mem_operand.
9630 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9631 not general_operand. Similarly use "=rm" or stricter, not "=g".
9632 For input operands, use stricter constraints than "g" if not
9633 general_operand. Similarly use stricter predicate than
9634 "general_operand" when stricter constraints than "g" are present,
9635 except for matching constraints.
9636 (movstrsi): Use "memory_operand" for operands 0 and 1.
9637 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9638 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9639 not reg_or_mem_operand.
9640 (udivmoddisi4): Ditto.
9641 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9642 Use nonimmediate_operand for operand 3, not register_operand.
9643 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9646 2000-01-27 Fred Fish <fnf@be.com>
9648 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9649 * gthr-single.h: Likewise.
9650 * gthr-solaris.h: Likewise.
9651 * gthr-vxworks.h: Likewise.
9652 * gthr-win32.h: Likewise.
9655 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9657 * cppinit.c: Add " (cpplib)" to end of string printed by
9660 2000-01-27 Richard Henderson <rth@cygnus.com>
9662 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9663 testing for a signed comparison.
9664 (alpha_emit_floatuns): New.
9665 * alpha-protos.h: Declare it.
9666 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9667 (extendsfdf2): Tidy.
9669 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9671 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9672 no -g option specifying debugging format, default to -gstabs+.
9674 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9676 * calls.c (special_function_p): New argument fork_or_exec.
9677 (expand_call): When profile_arc_flag is set and the function
9678 is in the fork_or_exec group, call __bb_fork_func first.
9679 * libgcc2.c, _bb module (__bb_fork_func): New function.
9680 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9682 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9683 * tree.h (special_function_p): Update prototype.
9685 2000-01-26 Richard Henderson <rth@cygnus.com>
9687 * alpha.c (alpha_split_tfmode_pair): New.
9688 * alpha-protos.h: Declare it.
9689 * alpha.md (abstf2, negtf2): New.
9690 (movtf insn): Add input G constraint.
9691 (movtf splitter): Use alpha_split_tfmode_pair.
9693 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9695 * i386/cygwin.h: PROTO -> PARAMS.
9697 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9699 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9700 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9701 using _Qp_cmp/_Q_cmp and testing the return value.
9702 (print_operand): Call reverse_condition_maybe_unordered if
9703 we are handling CCFPmode or CCFPEmode.
9704 Handle ORDERED, UN* and LTGT comparisons.
9705 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9706 if not TARGET_HARD_QUAD.
9707 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9708 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9709 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9710 Adjust gen_b* calls so that they reflect return comparison of
9711 sparc_emit_float_lib_cmp.
9713 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9715 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9716 incoming operands array is large enough for one more operand.
9717 (alpha_emit_xfloating_arith): Likewise.
9719 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9721 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9722 file with one line and no trailing newline.
9723 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9724 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9725 checking if the match is on the line.
9726 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9728 2000-01-25 Richard Henderson <rth@cygnus.com>
9730 * sparc.c (output_cbranch): Fix accidental squashing of the
9731 fp branch pre-delay nop.
9733 2000-01-25 Richard Henderson <rth@cygnus.com>
9735 * tree.def (UNNE_EXPR): Remove.
9736 * c-typeck.c (build_binary_op): Don't handle it.
9737 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9739 * rtl.def (UNNE): Remove.
9741 * jump.c (reverse_condition): Update accordingly.
9742 (swap_condition): Likewise.
9743 (comparison_dominates_p): Handle unordered comparisons.
9744 (reverse_condition_maybe_unordered): New.
9745 * rtl.h (reverse_condition_maybe_unordered): Declare.
9747 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9748 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9749 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9750 * sparc.md (bltgt): New.
9752 2000-01-25 Nick Clifton <nickc@redhat.com>
9754 * emit-rtl.c (emit_insn): Only check machine class insns for
9755 improper emission of a RETURN.
9757 2000-01-25 Richard Henderson <rth@cygnus.com>
9759 * Makefile.in (flow.o): Depend on $(EXPR_H).
9760 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9761 duplicate the structure of diddle_return_value for keeping regs live.
9763 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9765 * loop.c (current_loop_info): Delete.
9766 (consec_sets_invariant_p): Add loop argument, update callers.
9767 (get_condition_for_loop): Likewise.
9768 (count_nonfixed_reads, update_giv_derive): Likewise.
9769 (simplify_giv_expr, general_induction_var): Likewise.
9770 (consec_sets_giv, recombine_givs): Likewise.
9771 (move_movables): Delete loop_start and loop_end arguments,
9772 add loop argument, and update callers.
9773 (find_mem_givs, check_final_value): Likewise.
9774 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9775 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9777 (basic_induction_var): Add loop argument, delete loop_level argument,
9779 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9780 add loop argument, and update callers.
9781 (find_splittable_regs, find_splittable_givs): Likewise.
9782 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9783 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9784 (biv_total_increment): Delete loop_start and loop_end arguments;
9786 (precondition_loop_p): Delete loop_start and loop_info arguments;
9788 * loop.h (get_condition_for_loop): Add loop argument.
9789 (biv_total_increment): Delete loop_start and loop_end arguments.
9790 (precondition_loop_p): Delete loop_start and loop_info arguments;
9792 (final_biv_value): Delete loop_start and loop_end arguments;
9794 (final_giv_value, back_branch_in_range_p): Likewise.
9796 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9798 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9800 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9802 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9803 point to the new "generated_files" doc.
9805 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9807 * config/fp-bit.c (_unord_f2): Fix typo.
9809 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9811 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9812 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9813 functions obsoleted by GC, such as push_obstacks_nochange,
9814 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9815 and code which existed only to decide whether or not to call
9816 them. Remove now-unused NESTED argument from start_function;
9817 all callers changed. Do not change behavior based on ggc_p.
9818 The use of the ixp_obstack in c-iterate.c and the util_obstack
9819 in objc/objc-act.c remain; these are not obsoleted by garbage
9821 * c-tree.h: Update prototype for start_function.
9823 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9825 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9827 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9830 2000-01-25 Richard Henderson <rth@cygnus.com>
9832 * sparc-protos.h (select_cc_mode): Declare.
9833 * sparc.c (select_cc_mode): New. Handle unordered compares.
9834 (output_cbranch): Always reverse via code change. Handle
9835 unordered compares. Factor tests and string updates.
9836 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9837 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9838 * sparc.md (bunordered, bordered): New.
9839 (bungt, bunlt, buneq, bunge, bunle): New.
9841 2000-01-25 Richard Henderson <rth@cygnus.com>
9843 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9844 * ggc-common.c (ggc_add_rtx_varray_root): New.
9845 (ggc_mark_rtx_varray): New.
9846 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9847 functions down below ggc_mark_foo.
9848 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9850 2000-01-25 Richard Henderson <rth@cygnus.com>
9852 * alpha.c (secondary_reload_class): Don't allocate a secondary
9853 for integral mode memories into FLOAT_REGS. Rearrange the more
9854 complicated memory expression inward.
9856 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9858 * inclhack.def: Fixes to play nicer with FreeBSD, and
9859 corrections to comments.
9860 (cxx_unready): Add select expression.
9861 (irix_sockaddr): Add bypass expression.
9862 (machine_ansi_h_va_list): New fix.
9863 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9864 Split out addition of "#include <stdarg.h>" to...
9865 (stdio_stdarg_h): ... here.
9866 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9867 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9868 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9870 (ultrix_ifdef): Tighten up select expression.
9872 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9873 re_ct and max_mach to avoid use of shell. Make printed names
9874 match names in inclhack.def. Use static copyright date.
9875 Don't count c_test and test expressions as requiring regex_t
9876 slots. Add some commentary.
9877 * inclhack.tpl: Do not include the 'This script contains N
9878 fixup scripts' line if PROGRAM is defined. Use static
9881 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9883 * dwarf2out.c: include "varray.h", not dyn-string.h.
9884 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9885 (addr_const_to_string, addr_to_string): Lose.
9886 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9887 (struct dw_val_struct): val_addr is now an rtx.
9888 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9889 (used_rtx_varray): New varray.
9890 (dwarf2out_init): Initialize it.
9892 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9894 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9895 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9896 * Makefile.in (dwarf2out.o): Update dependencies.
9898 2000-01-24 Richard Henderson <rth@cygnus.com>
9900 * i386.c (i386_dwarf_output_addr_const): New.
9901 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9903 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9905 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9906 * i386.c (i386_simplify_dwarf_addr): New.
9907 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9909 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9911 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9912 TYPE_STUB_DECL is NULL.
9914 2000-01-24 Richard Henderson <rth@cygnus.com>
9916 * builtins.c (expand_tree_builtin): Move ...
9917 * c-common.c (expand_tree_builtin): ... here.
9919 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9921 * loop.h (LOOP_INFO): New accessor macro.
9922 * basic-block.h (struct loop): Rename field `info' to `aux'.
9923 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9924 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9925 * unroll.c (loop_iterations, unroll_loop): Likewise.
9927 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9929 * config/i386/t-cygwin: Accomodate new winsup directory layout
9930 when searching for include files.
9932 2000-01-24 Richard Henderson <rth@cygnus.com>
9934 * rtl.def: Add unordered fp comparisions.
9935 * tree.def: Likewise.
9936 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9938 * builtins.c (expand_tree_builtin): New function.
9939 * c-typeck.c (build_function_call): Use it.
9940 (build_binary_op): Support unordered compares.
9941 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9943 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9944 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9945 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9946 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9947 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9949 (swap_condition): Handle unordered compares.
9950 (thread_jumps): Check can_reverse before reversing.
9951 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9954 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9955 setcc is present before acking for cmp_optab. Update all callers.
9956 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9957 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9958 * expr.c (expand_expr): Likewise. Support unordered compares.
9959 (do_jump, do_store_flag): Likewise.
9960 * expr.h (enum libfunc_index): Add unordered compares.
9962 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9963 (DPBIT_FUNCS): Add _unord_df.
9964 * config/fp-bit.c (_unord_f2): New.
9965 * fp-test.c (main): Try unordered compare builtins.
9967 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9968 * alpha.c (alpha_comparison_operator): Check mode properly.
9969 (alpha_swapped_comparison_operator): Likewise.
9970 (signed_comparison_operator): Likewise.
9971 (alpha_fp_comparison_operator): New.
9972 (alpha_emit_conditional_branch): Handle unordered compares.
9973 * alpha.h (PREDICATE_CODES): Update.
9974 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9975 (bunordered, bordered): New.
9977 2000-01-24 Richard Henderson <rth@cygnus.com>
9979 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9980 * alpha.md (movtf): New expander, insn, and splitter.
9982 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9984 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9987 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9989 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9990 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9991 REG_ALLOC_ORDER): Add frame pointer
9992 (FRAME_POINTER_REGNUM): Set to 20
9993 (HARD_FRAME_POINTER_REGNUM): New macro.
9994 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9995 to HARD_FRAME_POINTER.
9996 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9997 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9998 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9999 (HI_REGISTER_NAMES): Add "frame".
10000 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10001 (debug_reg): Handle FRAME_POINTER_REGNUM.
10002 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10003 GENERAL_REGS and INDEX_REGS.
10004 * i386.c (SAVED_REGS_FIRST): new macro.
10005 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10006 (ix86_decompose_address, memory_address_length): Likewise.
10007 (regclass_map): Add frame pointer.
10008 (call_insn_operand): Handle frame_pointer_rtx.
10009 (reg_no_sp_operand): Likewise.
10010 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10011 (print_operand, legitimize_pic_address): Fix formating.
10012 (ix86_compute_frame_size): Make static, update prototype, new
10013 parameters padding1, padding2, use ix86_nsaved_regs, use
10014 stack_alignment_needed.
10015 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10016 to HARD_FRAME_POINTER_REGNUM conversions.
10017 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10018 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10019 (print_reg): Abort on FRAME_POINTER_REGNUM
10021 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10023 * i386.h (PREDICATE_CODES): Add aligned_operand.
10024 * i386.c (aligned_operand): New function.
10025 (ix86_aligned_p): Kill.
10026 * i386.md (movhi_1): Emit mov for aligned operands.
10027 (promoting peep2s): Use aligned_operand.
10029 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10031 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10032 expression to allow underscores in macro names.
10033 (fix_char_macro_defines): Increment scanning pointer.
10035 2000-01-23 Richard Henderson <rth@cygnus.com>
10037 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10038 * alpha/osf5.h: New file.
10039 * configure.in (alpha-*-osf5): Add it to tm_file.
10041 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10043 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10044 (alpha_emit_xfloating_cvt, function_arg): Declare.
10045 * alpha.c (alpha_emit_conditional_branch): Call
10046 alpha_emit_xfloating_compare for TFmode compares.
10047 (alpha_lookup_xfloating_lib_func): New.
10048 (alpha_compute_xfloating_mode_arg): New.
10049 (alpha_emit_xfloating_libcall): New.
10050 (alpha_emit_xfloating_arith): New.
10051 (alpha_emit_xfloating_compare): New.
10052 (alpha_emit_xfloating_cvt): New.
10053 (print_operand): Add default abort case.
10054 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10055 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10056 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10057 (RETURN_IN_MEMORY): True for TF/TCmode.
10058 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10059 (FUNCTION_ARG): Move to function_arg.
10060 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10061 (ASM_OUTPUT_LONG_DOUBLE): New.
10062 (ASM_OUTPUT_DOUBLE): Always output bits.
10063 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10064 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10065 (extenddftf2, trunctfdf2): New.
10067 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10069 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10070 * config/sparc/sol2.h: ... here.
10072 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10074 * basic-block.h (struct loops): New field `levels'.
10075 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10076 (flow_loop_level_compute): Initialise level to 1.
10077 (flow_loops_find): Set loops->levels.
10078 (flow_loops_dump): Print loops->levels.
10080 2000-01-23 Richard Henderson <rth@cygnus.com>
10082 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10083 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10085 2000-01-23 Richard Henderson <rth@cygnus.com>
10087 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10088 * i386.h (DBX_REGISTER_NUMBER): Use them.
10089 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10090 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10091 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10092 * i386/sequent.h: Kill incorrect comment.
10094 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10096 * ggc-page.c (struct page_entry): Make `context_depth' an
10098 (struct globals): Likewise.
10100 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10102 * loop.c (check_dbra_loop): When checking a loop for
10103 reversability, check the source of any stores to ensure
10104 they don't depend on an initial value.
10106 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10108 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10110 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10112 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10113 'pz_scan' into scope of entire function. Only affects
10114 compiles with -DDEBUG.
10116 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10118 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10119 section naming to that prior to 2000-01-07 patch.
10120 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10121 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10122 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10123 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10124 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10126 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10128 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10131 2000-01-21 Jim Wilson <wilson@cygnus.com>
10133 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10134 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10136 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10138 * cpphash.c (change_newlines): Delete function.
10139 (struct argdata): Delete 'newlines' and 'use_count' fields.
10140 (macroexpand): Remove code referencing those fields.
10142 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10144 * loop.c (loops_info): New variable.
10145 (loop_optimize): Allocate loops->array and free it on exit.
10146 Allocate memory for loops_info and assign to each loop,
10148 (find_and_verify_loops): Do not allocate loops->array.
10150 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10152 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10154 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10156 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10157 pseudos if expanded after first flow.
10158 (movdi_pic_label_ref): Likewise.
10160 2000-01-20 Richard Henderson <rth@cygnus.com>
10162 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10164 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10166 * Makefile.in (fixinc.sh): Depend on specs.
10167 * fixinc/Makefile.in: Add rule to create machname.h.
10168 (fixlib.o): Depend on machname.h.
10169 * fixinc/fixtests.c (machine_name): New test.
10170 * fixinc/fixfixes.c (machine_name): New fix.
10171 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10172 the machine_name test and fix.
10173 * fixinc/fixlib.h: Prototype it.
10174 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10175 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10177 * gcc.c (do_spec_1) [case P]: Take care not to create
10178 identifiers with three leading or trailing underscores.
10180 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10181 (fixincl): Don't specify libraries twice on link line.
10182 (gnu-regex.o): Remove special rule.
10183 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10184 defined by config.h. Do not define _REGEX_RE_COMP.
10185 (regcomp): Allocate and initialize a fastmap.
10186 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10188 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10190 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10192 2000-01-19 Richard Henderson <rth@cygnus.com>
10194 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10195 arguments with BB. Update all callers. Tidy line wrapping.
10197 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10199 * emit-rtl.c (try_split): Return last_insn if we split the
10202 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10204 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10205 (ix86_initial_elimination_offset): Declare.
10206 * i386.c (ix86_nsaved_regs): Break out from ...
10207 (ix86_can_use_return_insn_p): ... here.
10208 (ix86_emit_save_regs): Break out from ...
10209 (ix86_expand_prologue): ... here.
10210 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10212 (ix86_expand_epilogue): ... here.
10213 (ix86_compute_frame_size): Make static, add prototype.
10214 (ix86_initial_elimination_offset): Break out from ...
10215 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10217 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10219 * recog.h (OUT_FCN): Delete.
10221 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10223 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10225 * cppalloc.c: PROTO -> PARAMS.
10226 * cpperror.c: Likewise.
10227 * cppfiles.c: Likewise.
10228 * cpplib.c: Likewise.
10229 * cpplib.h: Likewise.
10231 * config/arm/arm-protos.h: PROTO -> PARAMS.
10232 * config/arm/arm.c: Likewise.
10233 * config/c4x/c4x.c: Likewise.
10234 * config/fr30/fr30-protos.h: Likewise.
10235 * config/nextstep.c: Likewise.
10236 * config/pa/pa.c: Likewise.
10237 * config/pj/pj.c: Likewise.
10238 * config/rs6000/rs6000.c: Likewise.
10239 * config/v850/v850-protos.h: Likewise.
10240 * config/v850/v850.c: Likewise.
10242 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10244 * i370-protos.h: New file.
10246 * i370.c: Include tm_p.h. Fix compile time warnings.
10248 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10251 * i370.md: Likewise.
10253 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10255 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10256 (target_isinf, target_isnan, eisnan): Mark parameter with
10258 (eiisinf): Wrap in INFINITY.
10259 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10260 (ibmtoe): Remove unused variable `rndsav'.
10262 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10264 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10265 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10267 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10269 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10270 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10271 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10273 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10274 Recognize Emacs mode markers also.
10275 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10276 C++ comments in C++ headers. Call is_cxx_header only if
10279 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10280 bypass for ncurses.
10281 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10282 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10283 ... these, which use the new C fixes.
10284 (math_exception): Escape literal '+' in bypass expression.
10286 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10289 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10291 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10294 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10296 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10297 prior to calling scan_loop.
10299 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10301 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10302 (split_branches, calc_live_regs): Likewise.
10304 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10306 * sh.md (fpu_single, fp_mode): New attributes.
10308 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10310 * loop.c (current_loop_info): Renamed from loop_info_data
10311 and changed to a pointer.
10312 (loop_optimize): Allocate loop_info structure for each loop
10313 and initialise to zero.
10314 (scan_loop): Set current_loop_info.
10316 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10319 2000-01-19 Richard Henderson <rth@cygnus.com>
10321 * stupid.c: Die die die.
10322 * Makefile.in (OBJS): Remove stupid.o.
10323 (stupid.o): Likewise.
10325 * except.c (emit_eh_context): Don't emit USEs for stupid.
10326 * explow.c (probe_stack_range): Likewise.
10327 * flags.h (obey_regdecls): Remove.
10328 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10329 when not optimizing.
10330 (life_analysis): Limit data collection when not optimizing.
10331 (mark_regs_live_at_end): Always mark the return value registers.
10332 (mark_used_regs): Remove dummy RETURN case.
10333 (print_rtl_with_bb): Don't consult obey_regdecls.
10334 * function.c (use_variable, use_variable_after): Remove.
10335 (assign_parms): Consult optimize not obey_regdecls.
10336 (expand_function_start): Don't emit USEs for stupid.
10337 (expand_function_end): Likewise.
10338 * global.c (build_insn_chain): Export.
10339 * integrate.c (expand_inline_function): Kill return-value USE
10341 * jump.c (jump_optimize_1): Do simple jump optimizations and
10342 dead code elimination.
10343 (calculate_can_reach_end): Remove check_deleted argument.
10344 (delete_insn): Patch out insns even when not optimizing.
10345 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10346 * rtl.h (use_variable, use_variable_after): Remove declarations.
10347 (build_insn_chain): Declare.
10348 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10349 (expand_end_bindings): Likewise.
10350 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10351 * toplev.c (obey_regdecls): Remove.
10352 (rest_of_compilation): Don't set it. Kill stupid in favour of
10353 flow1, local-alloc, and reload.
10354 (main): Don't set obey_regdecls.
10356 * config/nextstep.c (handle_pragma): Likewise.
10358 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10360 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10362 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10364 * alpha-protos.h: PROTO -> PARAMS.
10365 * alpha.c: Likewise.
10367 * h8300.c: Likewise.
10368 * i386-protos.h: Likewise.
10369 * i386.c: Likewise.
10370 * m32r-protos.h: Likewise.
10371 * m32r.c: Likewise.
10372 * mips.c: Likewise.
10373 * mips.md: Likewise.
10374 * gmon-sol2.c: Likewise.
10375 * sparc.c: Likewise.
10377 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10379 * ns32k-protos.h: New file.
10381 * ns32k.c: Fix compile time warnings.
10383 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10386 * ns32k.md: Likewise.
10388 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10390 * vax-protos.h: New file.
10392 * vax.c: Fix compile time warnings.
10394 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10397 * vax.md: Likewise.
10399 * vaxv.md: Likewise.
10401 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10403 * romp-protos.h: New file.
10405 * romp.c: Fix compile time warnings.
10407 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10410 * romp.md: Likewise.
10412 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10414 * we32k-protos.h: New file.
10416 * we32k.c: Fix compile time warnings.
10418 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10421 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10423 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10425 * except.c (eh_regs): Likewise.
10427 * final.c (output_operand): Likewise.
10429 * fold-const.c (target_isinf, target_isnan): Likewise.
10431 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10433 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10434 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10436 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10437 when optimize_size.
10438 (clrstrsi): Rewrite.
10439 (strsethi, strsetqi): New expanders.
10440 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10441 (cmpstrsi): Emit compare insn before cmpstrsi_1
10442 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10443 (strlensi_1): Likewise.
10444 (cmpstrsi_1): Likewise; do not output compare.
10445 (strlen expander): Do not unroll when optimizing for size.
10446 (*subsi3_carry): Rename to subsi3_carry
10447 (addqi3_cc): New pattern.
10448 * i386.h (processor_costs): Add move_ratio field.
10449 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10450 * i386.c (*_cost): Set move_ratio.
10451 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10452 (x86_expand_strlensi_1): Rewrite the main loop.
10454 2000-01-17 Richard Henderson <rth@cygnus.com>
10456 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10457 * cse.c (find_comparison_args, fold_rtx): Likewise.
10458 * integrate.c (subst_constants): Likewise.
10459 * loop.c (get_condition): Likewise.
10461 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10463 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10465 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10467 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10468 (RESTORE_WARN_FLAGS): Unpack it.
10469 Change semantic type of extension to ttype.
10470 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10471 * c-parse.y, c-parse.c, objc/objc-parse.y,
10472 objc/objc-parse.c: Regenerate.
10474 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10476 * fixinc/fixlib.c: Add copyright notice.
10477 (compile_re): New function.
10478 * fixinc/fixlib.h: Prototype compile_re.
10480 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10481 Use compile_re to compile regular expressions.
10483 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10484 where the pattern matched.
10486 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10488 (ultrix_ansi_compat): Likewise.
10489 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10491 (interactv_add2, interactv_add3): Delete.
10492 (x11_sprintf): Don't use filename glob.
10493 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10496 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * print-rtl.c: PROTO -> PARAMS.
10499 * real.c: Likewise.
10500 * reg-stack.c: Likewise.
10501 * resource.c: Likewise.
10502 * sdbout.h: Likewise.
10503 * simplify-rtx.c: Likewise.
10504 * stor-layout.c: Likewise.
10505 * stupid.c: Likewise.
10506 * xcoffout.c: Likewise.
10507 * xcoffout.h: Likewise.
10509 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10511 * toplev.c: PROTO -> PARAMS.
10512 * toplev.h: Likewise.
10513 * tree.c: Likewise.
10514 * tree.h: Likewise.
10515 * unroll.c: Likewise.
10516 * varasm.c: Likewise.
10517 * varray.c: Likewise.
10518 * varray.h: Likewise.
10520 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10522 * reload.c: PROTO -> PARAMS.
10523 * reload.h: Likewise.
10524 * reload1.c: Likewise.
10525 * reorg.c: Likewise.
10526 * resource.h: Likewise.
10529 * rtlanal.c: Likewise.
10530 * sbitmap.h: Likewise.
10531 * sdbout.c: Likewise.
10532 * stack.h: Likewise.
10533 * stmt.c: Likewise.
10534 * system.h: Likewise.
10536 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10538 * machmode.h: PROTO -> PARAMS.
10539 * mbchar.h: Likewise.
10540 * mips-tdump.c: Likewise.
10541 * mips-tfile.c: Likewise.
10542 * optabs.c: Likewise.
10543 * output.h: Likewise.
10544 * prefix.c: Likewise.
10545 * profile.c: Likewise.
10546 * protoize.c: Likewise.
10547 * real.h: Likewise.
10548 * recog.c: Likewise.
10549 * recog.h: Likewise.
10550 * regclass.c: Likewise.
10551 * regmove.c: Likewise.
10552 * regs.h: Likewise.
10554 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10556 * ggc-common.c: PROTO -> PARAMS.
10557 * ggc-page.c: Likewise.
10558 * ggc-simple.c: Likewise.
10560 * global.c: Likewise.
10561 * graph.c: Likewise.
10562 * gthr-win32.h: Likewise.
10563 * haifa-sched.c: Likewise.
10564 * halfpic.h: Likewise.
10565 * integrate.c: Likewise.
10566 * integrate.h: Likewise.
10567 * jump.c: Likewise.
10569 * local-alloc.c: Likewise.
10570 * loop.c: Likewise.
10571 * loop.h: Likewise.
10573 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10575 * genattr.c: PROTO -> PARAMS.
10576 * genattrtab.c: Likewise.
10577 * gencheck.c: Likewise.
10578 * gencodes.c: Likewise.
10579 * genconfig.c: Likewise.
10580 * genemit.c: Likewise.
10581 * genextract.c: Likewise.
10582 * genflags.c: Likewise.
10583 * gengenrtl.c: Likewise.
10584 * genopinit.c: Likewise.
10585 * genoutput.c: Likewise.
10586 * genpeep.c: Likewise.
10587 * genrecog.c: Likewise.
10589 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10591 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10593 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10595 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10596 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10597 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10598 * configure, config.in: Rebuilt.
10600 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10602 * config/i386/i386.md: Add peephole to merge successive stack
10605 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10607 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10608 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10609 when walking backwards to find all the parameter loads when
10610 the basic block ends in a call.
10612 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10614 * loop.c (this_loop_info): Delete.
10615 (uid_loop): Add in place of uid_loop_num. All uses updated.
10616 (loop_number_exit_count): Delete and replace with entry in loop
10617 structure. All uses updated.
10618 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10619 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10620 (loop_outer_loop): Likewise.
10621 (loop_invalid, loop_number_exit_labels): Likewise.
10622 (loop_used_count_register): Delete and replace with entry in
10623 loop_info structure.
10624 (find_and_verify_loops): Add loops argument.
10625 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10626 loop_end, etc. arguments with loop structure pointer. All callers
10628 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10629 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10630 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10631 (insert_bct): Likewise.
10632 (basic_induction_var): New argument level.
10633 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10634 vtop, and cont. Add used_count_register.
10635 (uid_loop): Delete declaration.
10636 (loop_number_exit_count): Likewise.
10637 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10638 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10639 (loop_outer_loop, loop_used_count_register): Likewise.
10640 (loop_invalid, loop_number_exit_labels): Likewise.
10641 (unroll_loop): Replace loop_start and loop_end arguments
10642 with loop structure pointer.
10643 (loop_precondition_p, loop_iterations): Likewise.
10644 Include basic-block.h.
10645 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10646 with loop structure pointer.
10647 (loop_precondition_p, loop_iterations): Likewise.
10648 * basic-block.h (struct loop): New entries vtop, cont,
10649 cont_dominator, start, end, top, scan_start, exit_labels,
10651 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10653 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10655 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10657 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10659 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10661 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10663 * pdp11-protos.h: New file.
10665 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10668 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10671 * pdp11.md: Likewise.
10673 * 2bsd.h: Likewise.
10675 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10677 * mn10300-protos.h: New file.
10679 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10682 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10685 * mn10300.md: Likewise.
10687 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10689 * mn10200-protos.h: New file.
10691 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10694 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10697 * mn10200.md: Likewise.
10699 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10701 * h8300-protos.h: New file.
10703 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10706 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10709 * h8300.md: Likewise.
10711 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10713 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10714 (asm_emit_uninitialised): Likewise.
10716 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10718 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10719 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10721 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10723 * config/mips/mips.c (override_options): Don't turn on extra
10724 alignment for mips16.
10726 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10728 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10729 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10732 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10734 * builtins.c (PAD_VARARGS_DOWN): Define.
10735 (std_expand_builtin_va_arg): Use the above macro.
10736 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10737 * tm.texi (Register Arguments): Document the above macro.
10739 2000-01-14 Nick Clifton <nickc@cygnus.com>
10741 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10742 that this function has not been used to emit a jump
10745 * jump.c (return_jump_1): Cope with being passed a null rtx.
10747 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10749 * eh-common.h: PROTO -> PARAMS.
10750 * emit-rtl.c: Likewise.
10751 * errors.c: Likewise.
10752 * errors.h: Likewise.
10753 * except.c: Likewise.
10754 * except.h: Likewise.
10755 * explow.c: Likewise.
10756 * expmed.c: Likewise.
10757 * expr.c: Likewise.
10758 * expr.h: Likewise.
10759 * final.c: Likewise.
10760 * fix-header.c: Likewise.
10761 * flow.c: Likewise.
10762 * fold-const.c: Likewise.
10763 * function.c: Likewise.
10764 * function.h: Likewise.
10766 * gcov-io.h: Likewise.
10767 * gcov.c: Likewise.
10768 * gcse.c: Likewise.
10770 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10772 * sh-protos.h: New file.
10774 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10775 Add static prototypes. Fix compile time warnings.
10777 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10781 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10783 * arc-protos.h: New file.
10785 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10788 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10791 * arc.md: Likewise.
10793 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10795 * dsp16xx-protos.h: New file.
10797 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10800 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10803 * dsp16xx.md: Likewise.
10805 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10807 * convex-protos.h: New file.
10809 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10812 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10815 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10817 * elxsi-protos.h: New file.
10819 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10822 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10825 * elxsi.md: Likewise.
10827 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10829 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10830 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10831 match the comment for MIPS16.
10833 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10835 * flow.c (split_edge): Do not call set_block_for_insn if we
10836 do not have a basic_block_for_insn structure.
10838 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10839 and destination functions are 32bit aligned within the trampoline.
10840 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10841 (TRAMPOLINE_ALIGNMENT): Define.
10843 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10844 (set (pc) (label_ref)), verify the change creates a valid insn.
10846 * fr30.c (call_operand): Tighten and rework to match rules for
10847 call RTL expressions.
10848 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10849 * fr30.md (call patterns): Improve constraints.
10851 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10853 * fr30.c (fr30_expand_epilogue): Revert last change.
10854 Use emit_jump_insn for the return insn.
10856 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10857 Stan Cox <scox@cygnus.com>
10859 * predict.c: New file. Preliminary infrastructure work for static
10860 branch prediction and basic block reordering.
10861 * basic-block.h: Add prototype for estimate_probability.
10862 * Makefile.in: Add rules for predict.o.
10864 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10866 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10867 * fixinc/*: Likewise.
10869 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10871 * cccp.c: PROTO -> PARAMS.
10872 * cexp.y: Likewise.
10873 * collect2.c: Likewise.
10874 * combine.c: Likewise.
10875 * convert.h: Likewise.
10877 * dbxout.c: Likewise.
10878 * dbxout.h: Likewise.
10879 * diagnostic.c: Likewise.
10880 * doprint.c: Likewise.
10881 * dwarf2out.c: Likewise.
10882 * dwarf2out.h: Likewise.
10883 * dwarfout.c: Likewise.
10884 * dwarfout.h: Likewise.
10885 * dyn-string.h: Likewise.
10887 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10889 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10890 macro conditionals guarding use.
10892 * dwarf2out.c: Include "tm_p.h".
10894 * function.c (locate_and_pad_parm): Mark parameter with
10896 (expand_function_end): Likewise for variable `context'.
10898 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10900 2000-01-13 Nick Clifton <nickc@cygnus.com>
10902 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10903 register to prevent compile time warnings.
10905 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10907 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10908 to avoid -Wtraditional warning.
10910 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10912 * 1750a-protos.h: New file.
10914 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10917 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10920 * 1750a.md: Likewise.
10922 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10924 * a29k-protos.h: New file.
10926 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10929 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10932 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10934 * clipper-protos.h: New file.
10936 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10939 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10942 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10944 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10946 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10948 * configure.in (--enable-new-gxx-abi): New option.
10949 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10950 * Makefile.in (GXX_ABI_FLAG): New variable.
10951 * configure: Regenerate.
10953 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10955 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10956 * tm.texi (FORCE_STRUCT_BLK): Document.
10957 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10959 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10961 * config/ns32k/ns32k.md: Revert Jan 9 change.
10963 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10964 to a mode-test, if the predicate is address_operand.
10966 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10968 * combine.c (if_then_else_cond): Be careful about what kinds
10969 of RTL expressions are passed to operand_subword.
10971 * flow.c (split_edge): If we have to insert a new jump, make
10972 sure to associate it with a basic block.
10974 * flow.c (commit_one_edge_insertion): A block with one successor
10975 can end in a JUMP_INSN that is not a simplejump.
10977 2000-01-12 Robert Lipe <robertl@sco.com>
10979 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10980 (BUILD_VA_LIST_TYPE): Define.
10981 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10984 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10986 * cccp.c (do_pragma): Add cast to (char *).
10988 2000-01-12 Richard Henderson <rth@cygnus.com>
10989 Fred Fish <fnf@be.com>
10990 Jason Merrill <jason@cygnus.com>
10992 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10993 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10994 * i386/beos-elf.h, i386/beos-pe.h: New files.
10996 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10997 * cross-make (SYSTEM_HEADER_DIR): Define using
10998 CROSS_SYSTEM_HEADER_DIR.
11000 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11001 (process_command): Use it.
11002 (main): Likewise. Kill trailing = from env vars.
11003 (build_search_list): Put it back.
11004 * collect2.c (main): Use LIBRARY_PATH_ENV.
11006 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11007 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11009 * tm.texi (Frame Layout): Document SMALL_STACK.
11010 * c-common.c (c_common_nodes_and_builtins): Check it.
11012 * system.h: Undef alloca after including glibc's <stdlib.h>,
11013 if USE_C_ALLOCA is defined.
11015 * gcc.c (set_input): New fn.
11016 (main): After all input files are compiled, reset the input file
11019 * aclocal.m4 (rindex, index): If already defined, don't attempt
11022 * ginclude/varargs.h: (__va_list__): Define ifndef.
11023 * ginclude/stdarg.h: Likewise.
11025 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11026 instead of unsigned char.
11028 * hash.h (true, false, boolean): Undef before enum.
11030 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11031 proper type of "HOST_WIDE_INT *", rather than their natural type of
11032 "unsigned HOST_WIDE_INT *".
11034 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11036 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11038 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11040 * regclass.c (choose_hard_reg_mode): Likewise.
11042 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11044 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11046 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11048 * c-common.c: PROTO -> PARAMS.
11049 * c-common.h: Likewise.
11050 * c-decl.c: Likewise.
11051 * c-iterate.c: Likewise.
11052 * c-lang.c: Likewise.
11053 * c-lex.c: Likewise.
11054 * c-lex.h: Likewise.
11055 * c-parse.in: Likewise.
11056 * c-pragma.c: Likewise.
11057 * c-pragma.h: Likewise.
11058 * c-tree.h: Likewise.
11059 * c-typeck.c: Likewise.
11060 * objc/objc-act.c: Likewise.
11061 * objc/objc-act.h: Likewise.
11063 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11065 * m88k-protos.h: New file.
11067 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11070 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11072 * m88k.md: Likewise.
11074 * tekXD88.h: Likewise.
11076 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11078 * m68k-protos.h: New file.
11080 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11083 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11085 * mot3300.h: Likewise.
11087 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11089 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11091 (extract_bitlist): Declare bitlen.
11093 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11095 * cccp.c: Accept and ignore -lang-fortran.
11097 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11098 qualifiers don't match at any level of pointerness.
11100 2000-01-12 Robert Lipe <robertl@sco.com>
11102 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11104 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11106 * reload1.c (reload_reg_unavailable): New static variable.
11107 (reload_reg_free_p): Test it.
11108 (reload_reg_free_for_value_p): Test it instead of
11110 (choose_reload_regs_init): Compute it.
11112 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11114 * reorg.c (fill_slots_from_thread): Check modified_in_p
11117 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11119 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11120 these nodes even if INTERNALS is not set.
11122 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11124 * gcse.c (delete_null_pointer_checks_1): Cope when
11125 get_condition cannot determine the condition.
11127 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11129 * toplev.h (set_message_length): Declare.
11131 * diagnostic.c (obstack_chunk_alloc): Define macro.
11132 (obstack_chunk_free): Likewise.
11133 (struct output_buffer): New data structure.
11134 (vmessage): Remove.
11135 (output_maximum_width): New variable.
11136 (doing_line_wrapping, set_message_length, init_output_buffer,
11137 get_output_prefix, output_space_left, emit_output_prefix,
11138 output_newline, output_append, output_puts, dump_output,
11139 vbuild_message_string, build_message_string, build_location_prefix,
11140 voutput_notice, output_printf, line_wrapper_printf,
11141 vline_wrapper_message_with_location): New functions. Implement
11142 automatic line wrapping.
11143 (v_message_with_decl): Make it handle automatic line wrapping.
11144 (v_error_with_file_and_line): Likewise.
11145 (v_warning_with_file_and_line): Likewise.
11146 (announce_function): Likewise.
11147 (default_print_error_function): Likewise.
11149 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11151 * cpplib.h (struct cpp_options): Change lang_asm to char.
11153 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11154 done in cpp_handle_option now.
11155 (initialize_builtins): Take out special case code used only by
11157 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11158 if -traditional. Recognize -lang-fortran and set
11159 lang_fortran, also turn off cplusplus_comments.
11160 (print_help): Document -lang-fortran.
11161 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11162 lang_asm. Ignore all directives other than `# 123 "file"' if
11164 (cpp_get_token): If -traditional, don't recognize directives
11165 unless the # is in column 1.
11166 (parse_string): If lang_fortran or lang_asm, silently
11167 terminate strings ('' or "") at end of line.
11168 Remove unnecessary braces.
11170 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11171 Richard Henderson <rth@cygnus.com>
11173 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11175 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11176 strict_low_part when possible.
11178 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11180 * alias.c: PROTO -> PARAMS.
11181 * basic-block.h: Likewise.
11182 * bitmap.c: Likewise.
11183 * bitmap.h: Likewise.
11184 * builtins.c: Likewise.
11185 * c-aux-info.c: Likewise.
11186 * caller-save.c: Likewise.
11187 * calls.c: Likewise.
11189 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11191 * Makefile.in (toplev.o): Depend on regs.h.
11193 * output.h (tdesc_section): Prototype.
11195 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11197 * sdbout.c: Include "tm_p.h".
11199 * toplev.c: Include "regs.h".
11201 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11203 * unroll.c (unroll_loop): Add EH support.
11205 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11207 * pa-protos.h: New file.
11209 * pa.c: Include recog.h and tm_p.h.
11210 (compute_zdepwi_operands, compute_movstrsi_length,
11211 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11212 find_addr_reg, import_milli): Add static prototypes.
11213 (pa_cpu_string, pa_arch_string): Constify a char*.
11214 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11215 (read_only_operand): Add argument `mode'.
11216 (singlemove_string, output_move_double, output_fp_move_double,
11217 output_block_move, output_and, output_ior, output_ascii,
11218 remove_useless_addtr_insns, milli_names, output_mul_insn,
11219 output_div_insn, output_mod_insn, output_arg_descriptor,
11220 output_cbranch, output_bb, output_bvb, output_dbra, ,
11221 output_millicode_call, output_call, hppa_encode_label,
11222 output_parallel_movb, output_parallel_addb): Constify a char*.
11223 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11224 (output_parallel_addb): Remove extra arg to `constrain_operands'
11226 * pa.h: Move all prototypes to pa-protos.h.
11227 (pa_cpu_string, pa_arch_string): Constify a char*.
11228 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11230 * pa.md: Call `function_label_operand' with mode argument.
11231 Likewise for `read_only_operand'.
11232 Fix nesting of parens in call to `symbolic_operand'.
11234 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11236 * i860-protos.h: New file.
11238 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11241 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11243 * i860.md: Likewise.
11245 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11247 * i386.md (movstrsi expander): Rewrite.
11248 (movstrsi_1 insn): Deleted.
11249 (strmovhi, strmovqi expander): New expanders.
11250 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11251 * i386.c (x86_single_stringop): New global variable.
11252 * i386.h (x86_single_stringop): Declare.
11253 (TARGET_SINGLE_STRINGOP): New macro.
11255 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11257 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11258 integer vararg POSTINCREMENT before the destination of the jump
11259 for the hard fp case.
11260 (function_arg_pass_by_reference): Pass a copy of CUM to
11263 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11264 for CONSTANT_ADDRESS_P above while loop for subreg.
11266 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11268 * flow.c (propagate_block): When a prologue/epilogue insn
11269 is marked dead, unconditionally clear libcall_is_dead and
11270 insn_is_dead, and only dump rtl if warnings aren't being
11273 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11275 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11276 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11277 (FIXED_REGISTERS): Set dirflag as fixed.
11278 (CALL_USED_REGISTERS): Set dirflag as used.
11279 (REG_ALLOC_ORDER): Set dirflag as last one.
11280 (DIRFLAG_REG): New macro.
11281 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11282 (HI_REGISTER_NAMES): Add dirflag.
11283 (DEBUF_PRINT_REG): Handle dirflag.
11284 * i386.md (type attribute): New cld and str types.
11285 (length_opcode attribute): Set cld and str to 1.
11286 (memory attribute): Set str to unknown - it is not clear from the
11288 (pent_np function unit): Prefixed string operations takes 12 cycles
11289 minimally; cld takes 2 cycles.
11290 (ppro_uops attribute): Str is "many" and cld is "few".
11291 (ppro_p0 unit): Handle cld here.
11292 (k6_alux unit): Handle cld and str types.
11293 (k6_load unit): It is ocupied by str opcodes.
11294 (k6_store unit): It is ocupied by str opcodes.
11295 (athlon_decode): Str is vector decoded.
11296 (athlon_ieu): Handle str and cld.
11297 (cld pattern): New.
11298 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11299 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11300 cmpstrsi_nz_1 insn): Do not output cld instruction
11302 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11304 * gcc.texi (G++ and GCC): Add Java and Chill.
11305 (Bug Critera): Don't list languages.
11307 * gcc.texi (Incompatibilities): No longer claim most C compilers
11310 * gcc.texi (G++ and GCC): Update other front-ends list.
11312 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11314 * i386.c (ix86_expand_setcc): Fix typo.
11315 (ix86_expand_movcc): Similarly.
11317 * Band-aid until haifa's bitset implementation is nuked.
11318 * haifa-sched.c (extract_bitlst): New parameter for size of the
11319 bitset in bits. All callers changed. Avoid looking at undefined
11320 bits in the bitset.
11321 (edgeset_bitsize): New variable.
11322 (schedule_region): Initialize edgeset_bitsize.
11324 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11326 * Makefile.in (optabs.o): Depend on real.h
11327 (resource.o): Depend on insn-attr.h
11329 * builtins.c (result_vector): Wrap prototype in macro conditions
11330 governing definition and use.
11332 * c-common.c: Include tm_p.h.
11334 * c-lex.c: Likewise.
11336 * elfos.h: Constify a char*.
11338 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11339 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11340 parameter with ATTRIBUTE_UNUSED.
11342 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11345 * haifa-sched.c (schedule_insns): Mark parameter with
11348 * optabs.c: Include real.h.
11350 * real.h (ereal_atof): Add prototype arguments.
11352 * resource.c: Include insn-attr.h.
11354 * sdbout.c (sdbout_queue_anonymous_type,
11355 sdbout_dequeue_anonymous_types): Wrap in macro
11356 SDB_ALLOW_FORWARD_REFERENCES.
11357 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11360 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11362 * stupid.c: Include tm_p.h.
11364 * tree.c (real_value_from_int_cst): Mark parameter with
11367 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11369 * i960-protos.h: New file.
11371 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11374 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11376 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11378 * combine.c (expand_field_assignment): Do not discard SUBREGs
11379 while computing nonzero_bits.
11381 2000-01-09 Nick Clifton <nickc@cygnus.com>
11383 * config/arm/arm.c: Fix compile time warnings about signed vs
11384 unsigned constants.
11385 * config/arm/arm.h: Fix compile time warnings about signed vs
11386 unsigned constants.
11388 2000-01-09 Philip Blundell <philb@gnu.org>
11390 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11391 than `ldm' with only one register.
11392 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11395 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11398 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11400 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11403 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11405 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11406 assignment used as truth value.
11408 * function.c (assign_temp): Mark parameter `dont_promote' with
11409 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11410 PROMOTE_FOR_CALL_ONLY.
11412 * genrecog.c (write_subroutine): Mark variable `operands' with
11415 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11418 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11419 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11421 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11424 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11426 * config/c4x.h: Tidy up comments.
11427 * config/c4x.c: Likewise.
11429 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11431 * fold-const.c (lshift_double, rshift_double): Handle
11432 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11434 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11436 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11437 in prepare_function_start().
11439 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11441 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11442 longer allocate extra stack for function calls.
11444 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11446 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11448 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11450 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11452 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11454 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11455 * aix43.h: Revert Aug 2 change.
11456 (HAS_INIT_SECTION): Define, not visible yet.
11457 (LD_INIT_SWITCH): Define, not visible yet.
11458 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11460 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11462 * collect2.c (main): Expand ld2 size further.
11463 (export_object_lst): Cast assignment to avoid warning.
11464 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11465 (scan_prog_file, COFF): Do not collect initialization or
11466 finalization functions generated for entire shared object if
11467 init/fini support present.
11469 2000-01-07 Nick Clifton <nickc@cygnus.com>
11471 * config/elfos.h: Tidy up formatting of marcos. Make sure
11472 that .section directives are always prefixed by a tab.
11474 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11477 2000-01-07 Matt Austern <austern@sgi.com>
11479 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11482 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11484 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11486 (crtbegin.o, s-crtS): Likewise.
11488 2000-01-06 Richard Henderson <rth@cygnus.com>
11490 * alpha.md (adddi_2+1): Limit offset such that it will be
11491 loadable with a single ldah+lda pair.
11492 (adddi_2+2): Explicitly fail split if we can't make it work.
11494 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11496 * protoize.c: Conditionally include unistd.h.
11497 (IS_SAME_PATH_CHAR): New macro.
11498 (IS_SAME_PATH): New macro.
11499 (CPLUS_FILE_SUFFIX): New macro.
11500 (cplus_suffix): New static variable.
11501 (is_abspath): New static function.
11502 (in_system_include_dir): Handle DOS style pathnames.
11503 (file_could_be_converted): Likewise.
11504 (file_normally_convertible): Likewise.
11505 (directory_specified_p): Likewise.
11506 (file_excluded_p): Likewise.
11507 (abspath): Likewise.
11508 (shortpath): Likewise.
11509 (referenced_file_is_newer): Likewise.
11510 (save_def_or_dec): Likewise.
11511 (do_processing): Likewise.
11513 (edit_file): Likewise. Use rename instead of link.
11514 (rename_c_file): Likewise. Don't rename syscalls file.
11515 (munge_compile_params): Define null device for DOS based systems.
11516 (process_aux_info_file): Use binary mode if appliable.
11517 (edit_file): Likewise.
11518 * invoke.texi (Running Protoize): Document C++ suffixes used.
11520 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11521 IS_DIR_SEPARATOR macros.
11522 * collect2.c: Likewise.
11523 * cppinit.c: Likewise.
11524 * dwarf2out.c: Likewise.
11526 * gcov.c: Likewise.
11527 * prefix.c: Likewise.
11529 * toplev.c: Likewise.
11530 * system.h: And move to here.
11532 * prefix.c (update_path): Fix typo in variable name.
11534 2000-01-06 Richard Henderson <rth@cygnus.com>
11536 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11537 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11538 (count_reg_sets_1, count_reg_references): Likewise.
11539 (flow_loops_level_compute): Start counting actual loop depth at 1.
11540 (flow_loops_find): Likewise.
11541 * local-alloc.c (update_equiv_regs): Likewise.
11542 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11544 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11546 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11547 FIRST_PSEUDO_REGISTER
11548 * dwarf2out.c: Don't include frame.h
11549 * dwarfout.c: Likewise
11550 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11553 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11555 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11558 * i386.c (movsf splitter): Fix typo in my last checkin.
11560 2000-01-05 Nick Clifton <nickc@cygnus.com>
11562 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11563 own definition of this macro.
11564 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11565 flag_data_sections or UNIQUE_SECTION_P are true.
11567 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11568 unitialised data decls.
11570 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11571 being called for uninitialised data.
11573 * config/i386/interix.c (i386_pe_unique_section): Cope with
11574 being called for uninitialised data.
11576 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11577 for uninitialised data.
11579 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11580 for uninitialised data.
11582 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11583 for uninitialised data.
11585 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11586 (UNIQUE_SECTION_P): Always generate a unique section if
11587 flag_data_sections is true.
11588 (UNIQUE_SECTION): Also generate unique sections for
11589 uninitialised data.
11590 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11591 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11594 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11596 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11599 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11601 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11602 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11603 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11604 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11605 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11607 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11609 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11611 * c-decl.c (finish_enum): Simplify code to determine minimum and
11612 maximum values of the enum, and calculate the type. Remove check
11613 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11614 the DECL_INITIAL of each enumeration constant with a copy converted
11615 to the enumeration type. When updating variant types, don't bother
11616 updating the type itself.
11618 * c-typeck.c (build_binary_op): Simplify conditional expressions
11619 when weeding out spurious signed-unsigned warnings. Add new
11620 spurious warning category: if the unsigned quantity is an enum
11621 and its maximum value fits in signed_type(result_type). Update
11623 (build_conditional_expr): Warn here if one alternative is signed
11624 and the other is unsigned.
11626 2000-01-05 Nick Clifton <nickc@cygnus.com>
11628 * config/fr30/fr30.h: Remove extraneous comments.
11630 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11632 * reload1.c (choose_reload_regs): When disabling a reload, also
11633 set reload_spill_index to -1.
11635 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11637 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11639 (m68*-*-rtemself*): New target.
11640 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11641 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11642 (sparc*-*-rtemself*): New target.
11643 (sparc*-*-rtems*): Now elf not a.out.
11644 * config/i386/rtems.h: Include config/rtems.h.
11645 * config/i386/rtemself.h: Include config/rtems.h.
11646 * config/i960/rtems.h: Include config/rtems.h.
11647 * config/m68k/rtems.h: Include config/rtems.h.
11648 * config/m68k/rtemself.h: Include config/rtems.h.
11649 * config/mips/rtems64.h: Include config/rtems.h.
11650 * config/pa/rtems.h: Include config/rtems.h.
11651 * config/rs6000/rtems.h: Include config/rtems.h.
11652 * config/sh/rtems.h: Include config/rtems.h.
11653 * config/sh/rtemself.h: Include config/rtems.h.
11654 * config/sparc/rtems.h: Include config/rtems.h.
11655 * config/sparc/rtemself.h: Include config/rtems.h
11657 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11659 * final.c (shorten_branches): Correctly compute length of
11660 asms without operands.
11662 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11664 * configure.in: Add pj target.
11665 * configure: Regenerate.
11666 * config/pj: New directory.
11667 * config/pj/lib1funcs.S: New file.
11668 * config/pj/linux.h: New file.
11669 * config/pj/pj.c: New file.
11670 * config/pj/pj.md: New file.
11671 * config/pj/pjl.h: New file.
11672 * config/pj/t-pj: New file.
11673 * config/pj/xm-pj.h: New file
11675 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11677 * toplev.c (rest_of_compilation): Run shorten-branches before
11680 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11682 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11683 macros so that they're consistent with their names.
11684 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11685 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11687 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11689 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11690 modified inadvertently.
11692 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11694 * configure.in (v850*-*-rtems*): New target.
11695 * configure: Regenerate.
11696 * config/v850/rtems.h: New file.
11698 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11700 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11701 (__gthread_key_create): Likewise.
11702 (__gthread_key_dtor): Likewise.
11703 (__gthread_once): Fix logic.
11704 (__gthread_key_delete): Cast away constness.
11706 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11707 * invoke.texi: Document.
11708 * i386/mingw32.h (CPP_SPEC): Use.
11709 (LIBGCC_SPEC): Likewise.
11710 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11712 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11714 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11715 (HANDLE_PRAGMA_PACK): Undefine.
11716 (SLOW_UNALIGNED_ACCESS): Define.
11718 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11720 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11721 to default definition.
11722 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11723 (store_fixed_bit_field): Call macro with word_mode and alignment.
11724 (extract_bit_field): Call macro with relevant mode and alignment.
11725 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11726 to default definition.
11727 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11729 (move_by_pieces_ninsns): Likewise.
11730 (clear_by_pieces): Likewise.
11731 (emit_push_insn): Likewise.
11732 (store_field): Call macro with relevant mode and alignment.
11733 (expand_expr): Likewise.
11734 (expand_expr_unaligned): Likewise.
11736 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11737 (SLOW_UNALIGNED_ACCESS): Define.
11738 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11739 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11740 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11741 (toc_section): Likewise and .toc pseudo-op.
11742 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11744 (TEXT_SECTION_ASM_OP): Likewise.
11745 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11748 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11749 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11750 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11751 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11752 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11754 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11756 * regclass.c: Revert my Jan 4 change to loop cost computation.
11758 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11760 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11763 2000-01-04 Stan Cox <scox@cygnus.com>
11765 * haifa-sched.c (build_control_flow): Change unreachable simple
11766 loop test to check if current block has only one predecessor.
11767 (find_rgns): Initialize degree. Use dest as degree index, not src.
11769 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11771 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11773 * calls.c (expand_call): Likewise for
11774 `old_stack_arg_under_construction'.
11776 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11778 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11781 * gcc.c (execute): Likewise for `ut' and `st'.
11783 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11785 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11787 * jump.c (jump_optimize_1): Likewise for `temp2'.
11789 * local-alloc.c (block_alloc): Likewise for `r1'.
11791 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11793 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11794 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11796 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11799 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11800 and `goal_earlyclobber'.
11802 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11804 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11806 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11808 * unroll.c (copy_loop_body): Likewise for `copy'.
11810 * varasm.c (output_constructor): Likewise for `byte'.
11812 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11814 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11815 all FP constants for constant->reg moves.
11816 (ix86_split_to_parts): Try to convert memory address into immediate
11817 when available in the constant pool.
11818 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11820 (LEGITIMATE_CONSTANT_P): Return 1.
11821 * i386.md (pushsf): New splitter to convert constant pool memory
11822 reference to immediate.
11823 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11826 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11828 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11829 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11830 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11831 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11832 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11834 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11836 * ginclude/stdbool.h: Support compilation as C++.
11838 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11840 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11842 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11844 * regclass.c (regclass): Properly compute loop_cost. Adjust
11847 * regclass.c: Fix minor whitespace problems.
11849 2000-01-03 Anthony Green <green@cygnus.com>
11851 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11852 Restore the pic register if required.
11854 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11856 * c-common.c (format_char_info): Update comment.
11857 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11858 was recognized. Emit warning for formats new in ISO C99 only
11859 if flag_isoc9x is not set.
11861 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11863 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11865 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11867 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11868 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11869 (make_compound_operation): Choose cheaper alternative between
11870 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11872 * regclass.c (op_costs): Remove global variable.
11873 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11874 (record_operand_costs): Break out from ...
11875 (scan_one_insn): ... here.
11876 (dump_regclass): Make dumps nicer.
11877 (regclass): Dump preferrences choosed and changes done during passes.
11879 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11881 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11883 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11885 * config/sparc/sparc.c (gen_df_reg): New function.
11886 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11887 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11888 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11889 movtf_cc_reg_sp64+1): Use it.
11891 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11893 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11894 copied LABEL_DECLs.
11896 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11898 * config/i386/i386.c (ix86_expand_unary_operator): Function
11899 definition made void.
11900 (ix86_expand_binary_operator): Update outdated preceding comment.
11901 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11904 * config/i386/i386.c (override_options): Fix option-name typo.
11906 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11908 * system.h (CEIL): Define.
11909 * builtins.c (CEIL): Remove.
11910 * expmed.c (CEIL): Likewise.
11911 * expr.c (CEIL): Likewise.
11912 * stor-layout.c (CEIL): Likewise.
11914 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11916 * expr.c (store_constructor_field): Fix typo introduced with last
11919 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11921 * tree.h (BINFO_N_BASETYPES): New macro.
11923 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11925 * expmed.c (emit_store_flag): Prevent losing a pending stack
11926 adjust the same way we prevent losing queued increments.
11928 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11930 * function.c (update_temp_slot_address): Handle case where sum of
11931 temporary address plus offset in register is a valid address.
11933 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11935 * genrecog.c (change_state) Corrected typo.
11937 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11939 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11940 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11941 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11943 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11945 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11946 case, expand GT comparisons correctly. Fix a comment before this
11949 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11951 * dwarfout.c: Include "frame.h"
11952 * dwarf2out.c: Likewise.
11953 * Makefile.in (dwarfout.o): Depend on frame.h
11954 (dwarf2out.o): Likewise.
11956 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11958 Restore i386 binary compatibility in Dwarf EH info.
11959 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11960 value of FIRST_PSEUDO_REGISTER.
11961 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11962 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11963 * dwarfout.c (output_reg_number): Ditto.
11964 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11965 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11967 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11969 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11970 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11971 (<hack>_RE_CT): not needed
11972 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11973 rewritten to scan the file text once only
11974 "template<..." test added
11975 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11976 (is_cxx_header): declaration added
11977 * fixinc/fixtests.c(is_cxx_header): removed
11978 (apply_fix_p_t): removed
11979 (double_slash_test): is_cxx_header is only called once now
11980 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11981 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11982 within the templates.
11983 The borken spelling of "broken" was fixed.
11984 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11985 The default level depends on FIXINC_DEBUG.
11987 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11989 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11990 Otherwise provide a declaration for atexit.
11991 (init_dummy): Make sure dummy call to atexit is nevertheless
11992 called with correct number of args.
11994 * frame.c: Update comments referring to other files.
11996 * libgcc2.c: Likewise.
11998 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12000 * cse.c (free_element, get_element): Remove unused prototypes.
12002 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12005 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12008 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12010 * configure.in,configure: case arm for mn10200-*-* now sets
12011 float_format=i32 so that float.h will correctly claim "double"
12012 to be 32 bits. Ran autoconf to generate configure from .in file.
12014 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12016 * pa.md (conditional zero): If op1 is a register, force it into
12017 the same register as op0.
12019 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12021 * tree.h (BINFO_BASETYPES): Improve documentation.
12023 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12025 * configure.in (--enable-checking): Use a more portable `for'
12028 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12030 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12031 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12033 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12036 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12037 Delete descriptions.
12039 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12040 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12041 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12042 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12043 xm-svr4.h: Remove all instances of sys_siglist handling.
12045 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12047 * config/sparc/sparc.md (cmp_zero_qi,
12048 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12049 cmp_zero_extendqidi2_andcc_set): New patterns.
12051 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12053 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12054 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12055 (fpgnulib.c, xfgnulib.c): Add rules.
12056 * m68k/t-mot3300-gas: Likewise.
12058 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12060 * configure.in: Avoid [[ by using test and changequote. Add
12061 changequote required by 1999-12-14 change.
12062 * configure: Rebuild.
12064 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12066 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12068 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12070 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12071 * flow.c (find_use_as_address): Likewise.
12072 * function.c (fixup_var_refs_1): Likewise.
12073 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12074 * jump.c (invert_exp, redirect_exp): Likewise.
12075 * loop.c (replace_call_address): Likewise.
12076 (count_nonfixed_reads): Likewise.
12077 * rtlanal.c (modified_between_p): Likewise.
12078 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12079 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12080 * unroll.c (remap_split_bivs): Likewise.
12082 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12084 * diagnostic.c (v_message_with_decl): Use .* format specifier
12085 instead of building the format specifier width manually.
12087 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12088 determining whether to provide a prototype. Remove the
12089 sys_siglist clause in the conditional.
12091 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12093 * fold-const.c (operand_equal_p): Use memcmp to compare string
12095 Suggested by D. J. Bernstein
12097 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12099 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12100 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12102 * config/mips/mips.h (TARGET_64BIT): Likewise.
12103 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12104 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12105 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12106 dsps. Give routines proper names if SI/DI modes are not used.
12107 * longlong.h: Use DWunion instead of DIunion.
12109 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12111 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12112 GC_CHECKING, GC_ALWAYS_COLLECT.
12113 * configure.in: Allow --enable-checking with an argument
12114 listing check modes to enable.
12115 * config.in, configure: Rebuilt.
12116 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12117 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12118 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12119 ENABLE_GC_ALWAYS_COLLECT.
12120 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12122 * tree.h, tree.c: Change ENABLE_CHECKING to
12123 ENABLE_TREE_CHECKING throughout.
12125 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12127 * fold-const.c (fold_truthop): Properly check for FP RHS.
12129 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12131 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12132 * toplev.c (note_deferral_of_defined_inline_function): New
12133 function, split out from ...
12134 (rest_of_compilation): ... here. Use it.
12136 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12138 * expr.c (store_constructor): Don't call clear_storage if size is
12141 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12143 * Makefile.in (toplev.o): Depend on loop.h.
12145 * dwarfout.c: Include tm_p.h.
12147 * emit-rtl.c (restore_emit_status): Mark parameter with
12150 * final.c (final_scan_insn): Likewise.
12152 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12153 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12154 flow_depth_first_order_compute, flow_loop_pre_header_find,
12155 flow_loop_tree_node_add, flow_loops_tree_build,
12156 flow_loop_level_compute, flow_loops_level_compute,
12157 flow_loop_outside_edge_p): Add prototypes.
12158 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12160 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12161 Mark with ATTRIBUTE_NORETURN.
12163 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12165 * local-alloc.c (no_conflict_p): Likewise.
12167 * loop.c (insert_bct): Hide definitions of variables with hidden
12169 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12171 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12172 with ATTRIBUTE_UNUSED.
12173 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12174 (reg_scan): Likewise.
12176 * reload.c (find_reloads): Remove unused variables `changed'.
12178 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12180 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12181 Remove unused variable `insn'.
12183 * toplev.c: Include loop.h.
12184 (report_file_and_line): Remove unnecessary prototype.
12186 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12188 * unroll.c (biv_total_increment): Likewise.
12190 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12192 * reload1.c (emit_input_reload_insns): Restore old behaviour
12193 wrt. 'special' reloads.
12195 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12197 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12198 hash.h. (cse.c): Don't depend on hashtab.h.
12200 * cse.c: Don't include hashtab.h.
12201 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12203 * ggc-simple.c: Don't include hash.h.
12205 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12207 * dwarf2out.c (add_abstract_origin_attribute): Call
12208 gen_abstract_function on our function context.
12210 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12212 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12214 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12216 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12219 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12221 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12222 constraints to "a!r".
12224 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12226 * Makefile.in (calls.o): Depend on function.h.
12227 (alias.o): Likewise.
12229 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12231 * reload1.c (emit_reload_insns): Break out code and variables into...
12232 (input_reload_insns, other_input_address_reload_insns,
12233 other_input_reload_insns, input_address_reload_insns,
12234 inpaddr_address_reload_insns, output_reload_insns,
12235 output_address_reload_insns, outaddr_address_reload_insns,
12236 operand_reload_insns, other_operand_reload_insns,
12237 other_output_reload_insns): ... new static variables, and...
12238 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12239 do_output_reload): ... new functions.
12241 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12243 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12245 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12247 * md.texi: Add c4x constraints documentation.
12249 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12251 * config/i386/dgux.c (struct option): Rename to
12252 lang_independent_option.
12253 (struct m_options): Add description field.
12254 (output_options): Rename option type, add sep declaration, output
12255 ix86_cpu_string and ix86_arch_string only if set.
12256 (output_file_start): Rename option type.
12258 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12260 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12262 (libgcc2.a): Similarly.
12264 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12266 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12267 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12268 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12270 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12272 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12273 Remove redundant initialization of "frexpon" and "expon".
12275 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12277 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12279 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12280 (store_constructor_field, expand_expr): Pass new arg.
12282 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12284 * Makefile.in (explow.o): Depend on function.h.
12286 * stor-layout.c (set_sizetype): Fix typo.
12288 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12290 * function.c (cfun): Renamed from current_function. All users
12292 * function.h (cfun): Rename declaration as well.
12294 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12295 to be of type regset_head, not regset. All users changed by adding
12297 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12299 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12301 * config/c4x/rtems.h: New file.
12303 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12305 * reload1.c (spill_failure): Take class of failed reload as argument
12306 and print it. Caller changed.
12308 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12310 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12311 (TARGET_SWITCHES): Allow subtargets to default switches.
12312 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12314 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12316 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12319 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12321 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12322 * cppinit.c (cpp_handle_option): Likewise.
12324 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12325 determine when to define.
12327 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12329 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12330 cmove with mismatched test and data modes.
12332 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12334 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12337 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12339 * alias.c: Minor reformatting.
12340 * flow.c: Likewise.
12341 * regs.h: Likewise.
12342 * stor-layout.c: Likewise.
12343 * fold-const.c: Likewise.
12344 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12345 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12347 (size_int_wide): Cache nodes even if garbage collecting.
12348 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12349 of SAVE_EXPR has no side effects.
12350 * cse.c: Move a comment.
12351 * tree.c: Minor reformatting.
12352 (int_size_in_bytes): Return -1 if constant overflows.
12354 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12356 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12358 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12360 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12361 after any change to c-parse.in, even if objc-parse.y didn't
12364 1999-12-18 David S. Miller <davem@redhat.com>
12366 * toplev.c (rest_of_compilation): Restore BLOCK tree
12367 reconstruction and branch shortening changes lost in
12368 December 18th change.
12370 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12372 * config/arm/linux-elf.h: Change all instances of
12373 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12374 * config/arm/uclinux-elf.h: Likewise.
12376 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12378 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12379 v_message_with_decl, file_and_line_for_asm,
12380 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12381 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12382 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12383 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12384 pfatal_with_name, fatal_io_error, need_error_newline,
12385 last_error_function, last_error_tick, announce_function,
12386 default_print_error_function, print_error_function,
12387 report_error_function, fnotice, error_with_file_and_line,
12388 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12389 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12390 warning_with_decl, warning_for_asm, warning, pedwarn,
12391 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12393 (compile_file): Use fnotice instead of notice. Adjust call.
12395 * diagnostic.c: New file.
12397 * Makefile.in (OBJS): Include diagnostic.o
12398 (diagnostic.o): Define dependence.
12400 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12402 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12405 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12407 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12409 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12411 * fixtests.c (is_cxx_header): New fn, split out of
12413 (else_endif_label): Allow "#endif // comment" in C++ headers,
12414 as determined by is_cxx_header.
12415 * fixfixes.c (else_endif_label_fix): Update comment.
12416 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12418 * genfixes: Correct double thinko in commandline parsing.
12419 * hackshell.tpl: Generate correct sh syntax for bypass
12422 * inclhack.def (all): Whenever an inserted preprocessor
12423 conditional is split over multiple lines, use double
12424 backslashes in this file so the fixed header will be readable.
12426 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12427 and add bypass entry for correct version of this header.
12428 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12429 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12431 (hpux8_bogus_inlines): New fix, split from...
12432 (ultrix_atof_param) ... here.
12433 (math_expression): Add bypass entry keyed to glibc comment
12434 indicating the problem has been dealt with; disable
12435 unnecessary sed operations; update commentary.
12436 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12437 add select and bypass entries, simplify shell operation.
12438 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12440 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12441 ultrix_atof_param): Add select entry.
12442 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12443 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12444 comments with the fixes they describe.
12446 * c-parse.in (string action): Do not warn about ANSI string
12447 concatenation in system headers. Affects C parser only.
12448 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12450 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12452 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12453 compiling libgcc2 the macro depends always on arch cpp defines.
12455 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12457 * loop.c (insert_loop_mem): Don't record MEMs from inside
12460 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12462 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12464 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12465 notes too, create one when replacement failed, attempt to simplify
12467 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12468 or REG_EQUIV notes.
12470 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12472 * crtstuff.c (__dso_handle): Declare.
12473 (__cxa_finalize): Likewise.
12474 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12477 * invoke.texi: Document -fuse-cxa-atexit.
12479 * tree.h (ptr_type_node): Document.
12480 (const_ptr_type_node): Likewise.
12482 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12484 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12485 (optimize_reg_copy_2): Likewise.
12486 (optimize_reg_copy_3): Likewise.
12487 (fixup_match_2): Likewise.
12488 (regmove_optimize): Likewise.
12489 (fixup_match_1): Liekwise.
12491 * i386.md (HI to SImode promoting splitters): Rewrite.
12492 (pushsf mem peep2): New.
12493 (testhi to andhi peep2): Remove.
12494 * i386.h (x86_promote_QImode): New.
12495 (TARGET_PROMOTE_QImode): New.
12496 (PREDICATE_CODES): Add promotable_binary_operator.
12497 * i386.c (x86_promote_QImode0: New.
12498 (promotable_binary_operator): New.
12499 * i386-protos.h (promotable_binary_operator): New.
12501 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12503 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12505 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12507 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12508 * function.c (insert_block_after_note): Remove.
12509 (retrofit_block): Likewise.
12510 (identify_blocks): Fix indentation.
12511 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12512 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12513 * function.h (insert_block_after_note): Remove prototype.
12514 (retrofit_block): Likewise.
12515 * integrate.c (expand_inline_function): Don't call
12516 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12517 just expand_start_bindings. Use the block_map to remap old
12518 NOTE_BLOCKs to new ones.
12519 (integrate_decl_tree): Keep track of remapped blocks.
12520 * integrate.h (struct inline_remap): Add block_map.
12521 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12522 NOTE_BLOCK on the notes.
12523 (expand_start_bindings): Rename to ...
12524 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12525 (expand_end_bindings): Set NOTE_BLOCK.
12526 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12527 reconstruct the BLOCK tree.
12528 * tree.h (expand_start_bindings): Macroize. Call ...
12529 (expand_start_bindings_and_block): New function.
12531 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12533 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12534 to match the format.
12536 1999-12-16 David S. Miller <davem@redhat.com>
12538 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12539 the outputs is a SUBREG.
12540 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12543 * config/sparc/sparc.c (epilogue_renumber): Add default case
12546 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12548 * toplev.c (rest_of_compilation): Run branch shortening after
12551 * regclass.c (loop_depth): Remove
12552 (scan_one_insn): Do not handle LOOP_NOTE insns.
12553 (regclass): Go through basic blocks and set loop_cost
12555 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12557 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12559 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12561 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12562 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12563 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12565 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12567 * loop.c (insert_loop_mem): Ignore memory clobbers.
12569 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12572 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12574 * profile.c: Remove redundant #include "output.h".
12576 * h8300.md (HImode preinc peephole): Fix typo.
12578 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12580 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12581 (insert_block_after_note): Abort if we don't have a previous block.
12582 Remove FN parameter.
12583 * function.h: Adjust.
12585 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12587 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12588 argument more than once.
12590 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12592 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12594 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12596 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12598 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12600 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12601 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12602 update stack_alignment_needed.
12603 (prepare_function_start): Initialize stack_alignment_needed
12604 * function.h (struct function): Add field stack_alignment_needed.
12606 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12608 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12609 Handle live_throughout / dead_or_set instead of live_before /
12611 (save_call_clobbered_regs): Get register livenessinformation from
12612 chain->live_throughout.
12613 (add_stored_regs): New function.
12614 (insert_restore, insert_save): Add restored / saved registers to
12616 * global.c (reg_dies): New parameter chain.
12617 (reg_becomes_live): Third parameter is regs_set now.
12618 Changed all callers.
12619 (reg_dies): New parameter chain. Changed all callers.
12620 (build_insn_chain): Set live_throughout instead of
12621 live_before / live_after.
12622 * reload.h (struct insn_chain): Replace members live_before /
12623 live_after with live_throughout / dead_or_set.
12624 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12625 instead of live_before / live_after.
12626 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12627 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12628 (choose_reload_regs_init): Likewise.
12629 * stupid.c (current_chain, find_clobbered_regs): Delete.
12630 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12631 instead of chain->live_before / chain->live_after.
12632 (mark_hard_ref): New function.
12633 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12635 1999-12-15 David S. Miller <davem@redhat.com>
12637 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12639 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12641 * flow.c (calculate_loop_depth): Make global, remove prototype,
12642 rewrite to use new loop infrastructure.
12643 (find_basic_block): Remove calculate_loop_depth call.
12644 * toplev.c (rest_of_compilation): Call find_basic_block.
12645 * output.h (calculate_loop_depth): Declare.
12647 * flow.c (dump_flow_info): Dump loop_depth.
12648 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12650 (flow_loops_find): Initialize the loop_depth for each basic block.
12652 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12654 * tree.c (decl_function_context): Handle virtual functions.
12656 * tlink.c (scan_linker_output): Don't look in demangled name when
12657 looking for linker output keywords.
12659 * dwarfout.c (output_type): We can defer namespace-scope classes.
12661 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12663 * regclass.c (record_reg_classes): Update comment for merging
12664 register class preferences in reg->reg copies. Tighten conditions
12665 for merging register class preferences in reg->reg copies.
12667 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12669 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12671 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12673 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12674 (INIT_SECTION_ASM_OP): Delete.
12675 (FINI_SECTION_ASM_OP): Delete.
12676 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12678 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12680 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12681 the abstract origin wasn't emitted.
12683 * dwarf2out.c (class_scope_p): New fn.
12684 (gen_subprogram_die): Use it.
12685 (gen_variable_die): Use it. Tweak logic.
12686 (gen_struct_or_union_type_die): Check context_die to determine
12687 if we're function-local.
12688 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12690 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12692 * loop.c (check_dbra_loop): Can't reverse a biv that has
12693 maybe_multiple set.
12695 1999-12-14 Nick Clifton <nickc@cygnus.com>
12697 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12700 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12702 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12703 for givs made from biv increments.
12705 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12707 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12708 * alpha.c (override_options): Recognize -mcpu=ev67.
12709 * alpha.h (CPP_CPU_EV67_SPEC): New.
12710 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12711 (EXTRA_SPECS): Update.
12713 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12715 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12716 appropriate for -lang-c89 and -std=*.
12717 * cppinit.c (cpp_handle_option): Likewise.
12718 (new_pending_define): New, split out from cpp_handle_option.
12719 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12720 or enable trigraphs for -ansi/-std=*.
12722 * ginclude/stdarg.h (__va_copy): New.
12723 (va_copy): Don't define for C89.
12725 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12727 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12728 for long long multiply-accumulate.
12730 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12732 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12733 optimizing for size.
12735 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12737 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12738 if something changed. Back out that part of yesterday's changes.
12740 * loop.c (loop_max_reg): New static variable.
12741 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12743 (scan_loop): Call reg_scan_update whenever we may have added new
12744 registers, and update loop_max_reg.
12746 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12748 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12749 when source does not die.
12751 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12753 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12755 * config/sparc/linux64.h (TARGET_LIVE_G0,
12756 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12758 * config/sparc/linux.h (TARGET_LIVE_G0,
12759 TARGET_BROKEN_SAVERESTORE): Likewise.
12760 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12761 TARGET_BROKEN_SAVERESTORE): Likewise.
12763 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12764 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12766 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12767 as sparc64 block profiling register.
12768 * config/sparc/sparc.c (sparc_override_options): Allow block
12769 profiling with -m32.
12770 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12771 profiling register.
12772 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12773 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12774 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12776 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12778 * config/sparc/sparc.h: Likewise.
12779 * config/sparc/xm-sysv4-64.h: Likewise.
12780 * config/float-sparc.h: Likewise.
12781 * glimits.h: Likewise.
12782 * longlong.h: Likewise.
12784 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12785 (ASM_IDENTIFY_GCC): Remove.
12787 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12789 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12790 (simplify_logical): Likewise.
12792 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12794 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12795 * cppfiles.c (INO_T_EQ): Likewise.
12797 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12799 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12800 * i386/mingw32.h (LIB_SPEC): Likewise.
12801 (STARTFILE_SPEC): Likewise.
12802 * i386/uwin.h (LIB_SPEC): Likewise.
12803 (STARTFILE_SPEC): Likewise.
12805 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12806 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12808 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12810 * combine.c (combine_simplify_rtx): Fix order of checks for
12811 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12813 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12815 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12816 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12818 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12820 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12822 * regclass.c (inv_reg_alloc_order): New array.
12823 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12825 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12826 counted_for_groups, counted_for_nongroups. Add fields rld and
12828 * reload.c (push_secondary_reload): Don't set nongroup field of
12830 (push_reload): Likewise.
12831 (find_reloads): Delete code to compute nongroup fields.
12832 * reload1.c (reload_insn_firstobj): New static variable.
12833 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12835 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12836 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12837 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12839 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12841 (struct hard_reg_n_uses): Deleted.
12842 (potential_reload_regs): Deleted.
12843 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12844 (reload): Don't try to allocate reload registers if we already know
12845 we have to make another pass. Call select_reload_regs. Free memory
12846 starting with reload_firstobj when starting another pass.
12847 Don't allocate spilled_pseudos.
12848 (calculate_needs_all_insns): Call copy_reloads for an insn that
12849 needs reloads; don't call calculate_needs.
12850 (spill_cost): New static array.
12851 (used_spill_regs_local): New static variable.
12852 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12853 to compute potential_reload_regs.
12854 (find_reload_regs): Completely rewritten to use find_reg.
12855 (allocate_reload_reg): Don't test counted_for_groups or
12856 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12857 all cllers changed.
12858 (choose_reload_regs): Add fallback code that uses the existing
12859 register allocation from find_reload_regs.
12861 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12863 * flow.c (create_edge_list): Cast xmalloc return value.
12865 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12867 * doprnt.c: Remove incorrect comment closure.
12869 * cse.c: Fix a few minor whitespace goofs.
12871 1999-12-13 Don Bowman <don@pixstream.com>
12873 * mips/vxworks.h: Fix problem with comment termination.
12874 (EXTRA_SECTIONS): Add in_sbss.
12875 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12877 1999-12-12 David S. Miller <davem@redhat.com>
12879 * cse.c (struct cse_reg_info): Add hash_next member,
12880 reorder rest of struct for better packing on 64-bit
12882 (cse_reg_info_tree): Kill.
12883 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12884 REGHASH_FN): New custom pow2 hash mechanism.
12886 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12887 use a pow2 hash table.
12888 (get_cse_reg_info): Rework to use new REGHASH.
12889 (new_basic_block): Likewise, use HASH_SIZE, and inline
12891 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12892 and inline free_element call.
12893 (lookup_as_function, insert, flush_hash_table, invalidate,
12894 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12895 invalidate_for_call, use_related_value, find_comparison_args,
12896 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12897 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12898 get_element): Kill.
12900 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12902 * cse.c (cse_basic_block): Free qty_table consistently.
12904 1999-12-12 David S. Miller <davem@redhat.com>
12905 Jakub Jelinek <jakub@redhat.com>
12907 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12908 SUBREGs by hand, gen the appropriate hard reg directly.
12909 (movtf reg/mem split): Likewise and alter_subreg on destination
12911 (movtf mem/reg split): Similarly.
12912 (movdf_cc_sp64): Rename from hidden pattern.
12913 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12914 (movtf_cc_sp64, following split): New pattern and splitter.
12915 (movdf_cc_reg_sp64): Rename from hidden pattern.
12916 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12918 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12920 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12922 * loop.c (load_mems): Don't hoist written floating point mem
12925 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12927 * except.h (struct eh_queue): Add `next' pointer.
12928 (struct eh_status): Make x_ehqueue a pointer.
12929 (push_ehqueue): Declare.
12930 (pop_ehqueue): Likewise.
12931 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12933 (expand_fixup_region_end): Likewise.
12934 (expand_leftover_cleanups): Likewise.
12935 (push_ehqueue): Define.
12936 (pop_ehqueue): Likewise.
12937 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12938 than doing it inline.
12939 (expand_start_all_catch): Adjust now that ehqueue is a
12941 (mark_eh_queue): Mark all level of the queue.
12942 (mark_eh_status): Adjust now that ehqueue is a
12944 (init_eh_for_function): Allocate ehqueue.
12945 (free_eh_status): Free it.
12946 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12947 expansion for a fixup.
12949 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12951 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12953 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12954 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12955 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12956 function_ptr, getpagesize, __enable_execute_stack,
12957 __enable_execute_stack, __clear_insn_cache,
12958 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12959 _cleanup, _exit, __default_terminate, __terminate_func,
12960 __terminate, __empty, __throw, new_eh_context,
12961 eh_context_initialize, eh_context_static, eh_context_specific,
12962 get_eh_context, __get_eh_context, __get_eh_info,
12963 init_reg_size_table, eh_threads_initialize,
12964 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12965 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12966 __pure_virtual): Add prototype arguments.
12967 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12968 Cast a signed value to unsigned long when comparing against one.
12969 (new_eh_context): Wrap in _GTHREADS macro.
12970 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12972 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12973 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12975 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12977 * combine.c (record_promoted_value): Remove unused variable
12980 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12982 * global.c (record_conflicts): Likewise for `j'.
12984 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12987 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12989 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12990 output_fp_compare): Constify a char*.
12992 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12994 (override_options, ix86_comp_type_attributes, print_operand,
12995 output_387_binary_op, output_fix_trunc, output_fp_compare):
12997 (ix86_sched_reorder): Mark parameter `clock_var' with
13000 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13002 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13004 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13005 operand, for use in the Java front-end.
13007 1999-12-10 Ben Collins <bcollins@debian.org>
13009 * configure.in: Fix typo for "-64" in 64bit as check.
13010 * configure: Rebuilt.
13012 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13014 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13017 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13019 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13020 concatenation is utilized.
13022 * invoke.texi (-Wtraditional): Document it.
13024 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13026 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13027 Cast a ptrdiff_t to long and pass it to printf with %ld.
13029 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13031 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13032 68881, we have no 68881 registers at all.
13033 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13034 value in a 68881 register if it is available.
13036 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13038 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13039 for long long multiply-accumulate.
13041 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13043 * loop.c (insert_loop_mem): Undo last change.
13045 1999-12-10 David S. Miller <davem@redhat.com>
13047 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13049 * config/sparc/sparc-protos.h: Add them.
13050 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13051 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13052 constraints which use those helpers.
13053 (EXTRA_CONSTRAINT): Use this new macro.
13054 * md.texi: Update sparc target constraints documentation.
13055 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13056 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13057 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13058 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13059 (movsf high/lo_sum split): Rework for new patterns.
13060 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13062 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13064 * c-common.c (c_common_nodes_and_builtins):
13065 Create __builtin_ptrdiff_t and __builtin_size_t.
13067 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13069 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13071 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13073 * regclass.c (globalize_reg): Re-instate test that allows
13074 fixed registers to be declared as a variable even after functions
13077 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13079 * i386.md (cpu attribute): Add "athlon".
13080 (athlon_decode): New attribute.
13081 (Athlon scheduling units definitions): New.
13082 (fcmp and shld patterns): Set athlon_decode to "vector".
13083 * i386.c (athlon_cost): New.
13085 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13086 x86_use_sahf): Set for Athlon.
13087 (x86_use_fiop): Unset for Athlon.
13088 (override_options): Define Athlon alignments and "athlon" name.
13089 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13090 * i386.h (TARGET_ATHLON): New.
13091 (enum processor_type): Add PROCESSOR_ATHLON.
13092 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13094 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13096 1999-12-09 Andreas Jaeger <aj@suse.de>
13098 * loop.c (record_biv): Declare parameter as int.
13100 * config/i386/i386-protos.h: Declare long_memory_operand.
13102 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13104 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13105 EXPR_WITH_FILE_LOCATION.
13107 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13109 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13112 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13114 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13117 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13119 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13120 default on linux64 again.
13121 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13122 models for multilibing.
13123 * genmultilib: Accept | as alternative separator within a set in
13126 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13128 * calls.c (precompute_arguments): Make sure initial_value contains
13129 value pseudo which CSE expects.
13130 * cse.c (struct set): New entry orig_src.
13131 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13134 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13136 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13138 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13140 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13142 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13144 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13145 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13147 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13150 * longlong.h: Merge in changes from glibc.
13151 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13152 -mno-app-regs libgcc can be compiled.
13153 * libgcc2.c: Add defines so that the updated longlong.h
13154 can be used in libgcc2.a. Also, make sure on most architectures
13155 (at least on all which have optimized code in longlong.h defined
13156 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13158 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13160 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13161 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13162 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13164 * configure: Rebuilt.
13166 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13168 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13169 outputs require a register.
13171 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13173 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13174 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13175 functions like dptoul will be resolved.
13176 (libgcc2.a): Make sure that the object files from DPBIT are named
13177 differently (prefix `_dp') from those that would be coming from
13180 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13182 * configure.in: When target is sparc* and tm_file contains 64,
13183 test for 64bit support in assembler. If not supported, remove
13184 sparc/t-sol2-64 from target-dependent Makefile fragments.
13185 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13186 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13187 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13188 * acconfig.h (AS_SPARC64_FLAG): Added.
13189 * configure, config.in: Rebuilt.
13190 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13191 support. Use AS_SPARC64_FLAG.
13193 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13195 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13196 suitable for holding OFmode values so that gcc works with complex
13198 (hard_64bit_mode_classes): Likewise.
13200 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13201 so that it is actually matched.
13202 (sethi_di_medlow): Likewise.
13204 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13205 as legitimate constant if -mvis.
13206 * config/sparc/sparc.md (movtf): Likewise.
13207 (clear_sf): Use const_double_operand.
13208 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13210 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13211 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13212 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13213 routines, _Qp_* cannot be handled like that now.
13214 (INIT_TARGET_OPTABS): Likewise.
13215 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13216 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13217 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13218 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13219 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13220 divtf3, sqrttf3): New expanders.
13221 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13222 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13223 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13226 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13227 * configure: Rebuilt.
13228 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13229 -mcpu is given and we're doing 64bit compiles.
13231 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13233 * loop.h (struct induction): Add multi_insn_incr.
13234 * loop.c (basic_induction_var): New multi_insn_incr argument.
13235 Set it if we search back through previous insns for the biv.
13236 (record_biv): New multi_insn_incr argument; fill in struct induction.
13237 (strength_reduce): Discard an iv with multiple bivs, any of
13238 which require multiple insns to increment.
13240 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13242 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13245 1999-12-06 David S. Miller <davem@redhat.com>
13247 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13248 PROMOTE_FUNCTION_RETURN.
13250 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13252 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13253 and handle REG_UNUSED note on insn.
13255 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13256 inner_mask instead of mask.
13258 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13260 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13261 zero if there was an error.
13263 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13265 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13268 * longlong.h: Fix clobbers in SPARC asm statements.
13270 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13271 valid sethi operations when TARGET_ARCH64.
13273 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13274 always use move_by_pieces to avoid infinite recursion.
13275 (restore_fixed_argument_area): Likewise.
13277 * combine.c (check_promoted_subreg, record_promoted_value): New
13279 (combine_instructions): Use them to retain nonzero and sign bit
13280 information after SUBREGs are eliminated by optimizations in
13281 this pass if PROMOTE_FUNCTION_RETURN.
13283 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13284 .register declaration. Don't use variables with __ prefixes.
13286 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13288 * fold-const.c (optimize_bit_field_compare): Only use one mode
13289 for both RHS and LHS in non-constant case.
13291 1999-12-06 Nathan Sidwell <nathan@acm.org>
13293 * frame.c (start_fde_sort): Only allocate erratic array, if
13294 linear one was allocated. Return allocated flag.
13295 (fde_insert): Only insert, if there's a valid array.
13296 (fde_end_sort): Split, sort and merge if linear and erratic
13297 arrays exist, else just sort linear one.
13298 (search_fdes): New function. Linear search through original fde
13300 (frame_init): Permit multiple initializations. Cope with
13302 (find_fde): Fallback on linear search, if failed to sort array.
13303 (__deregister_frame_info): Only free sorted array, if we
13306 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13308 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13310 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13312 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13314 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13316 * tree.h (special_function_p): Declare.
13317 * calls.c (special_function_p): Make it global. Don't take `name'
13318 as a parameter. Fix typo in 1999-11-28 change.
13319 (expand_cal): Adjust.
13321 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13323 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13324 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13325 EXPR_WFL_FILENAME_NODE.
13326 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13328 * print-tree.c (print_note): Print TREE_PRIVATE and
13331 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13332 the original die cannot be found.
13334 * varray.h (varray_head_tag): Add elements_used.
13335 (VARRAY_PUSH): New macro.
13336 (VARRAY_POP): Likewise.
13337 (VARRAY_TOP): Likewise.
13338 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13340 * varray.c (varray_init): Initialize elements_used.
13341 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13342 (INTEGRATE_H): New variable.
13343 (integrate.o): Depend on INTEGRATE_H.
13344 (unroll.o): Likewise.
13346 * function.h (insert_block_after_note): Declare.
13347 * function.c (insert_block_after_note): Split out from ...
13348 (retrofit_block): ... here.
13350 * stmt.c (expand_fixup): Fix typo in comment.
13352 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13354 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13355 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13356 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13357 (regmove_optimize, fixup_match_1): Likewise.
13359 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13361 * flow.c (flow_loops_dump): Add missing argument when calling
13362 flow_loop_nested_p.
13364 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13365 Greg McGary <gkm@gnu.org>
13367 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13368 (init_attributes): Add A_NO_LIMIT_STACK.
13369 (decl_attributes): Handle A_NO_LIMIT_STACK.
13370 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13371 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13372 Handle stack bounds checking.
13373 * flags.h (flag_stack_check): Use the word 'probe' rather than
13374 'check', because the flag doesn't actually cause any checking to
13376 * function.c (expand_function_start): Set
13377 current_function_limit_stack.
13378 * function.h (struct function): Add limit_stack.
13379 (current_function_limit_stack): Define.
13380 * invoke.texi (Code Gen Options): Document new options.
13381 * rtl.h: Declare stack_limit_rtx.
13382 * toplev.c (stack_limit_rtx): New variable.
13383 (decode_f_option): Handle new options -fstack-limit-register=REG,
13384 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13385 (main): Add stack_limit_rtx as GC root.
13386 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13387 (struct tree_decl): New member no_limit_stack.
13389 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13391 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13392 (conditional_trap+1): Get new mnemonic correct.
13393 (conditional_trap+2): New pattern for DImode traps.
13395 * config/m68k/m68k.c (output_function_prologue): Handle
13397 * config/m68k/m68k.md (trap): New insn.
13398 (conditional_trap): New insn.
13399 * md.texi (Standard Names): Document `trap' and
13400 `conditional_trap'.
13401 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13402 so a cc0 setter doesn't get emitted at some random place in the
13405 * config/i960/i960.md (trap): New insn.
13406 (conditional_trap): New expander.
13407 (conditional_trap+1, conditional_trap+2): New insns for signed
13408 and unsigned cases.
13409 * config/i960/i960.c (i960_function_prologue): Use
13410 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13412 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13413 Geoffrey Keating <geoffk@cygnus.com>
13415 * flags.h (warn_padded, warn_packed): Add global var decls.
13416 * toplev.c (warn_padded, warn_packed): Add global var defns.
13417 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13418 * stor-layout.c (layout_record): Add local variable `type'
13419 to hold often-used TREE_TYPE (field). Add local variable
13420 `unpacked_align' to hold alignment that would be in force
13421 if no `packed' attribute were present. Warn if `packed' attribute
13422 is unnecessary, or even harmful. Warn when gcc inserts padding
13423 to satisfy alignment requirements of members. Use NULL_TREE
13424 when checking whether var_size is set.
13425 * invoke.texi: Document new flags.
13427 1999-12-03 Nathan Sidwell <nathan@acm.org>
13429 * frame.c (fde_split): Reimplement to avoid variable sized array.
13431 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13433 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13434 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13436 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13438 * invoke.texi: Document the mips option -mno-crt0
13440 1999-12-02 Mike Karr <mkarr@mathworks.com>
13442 * cccp.c (argdata): Added free_ptr member.
13443 (macroexpand): Initialize free_ptr of each argument. When an
13444 argument's buffers are freed, if the argument's free_ptr corresponds
13445 to a buffer on the input stack, then return the free_ptr to that stack
13446 frame, otherwise, free it.
13447 (macarg): If an argument begins and ends on the same input stack level,
13448 then transfer the free_ptr of that buffer to the argument in case
13449 the stack is popped during the processing of a subsequent argument.
13451 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13453 * loop.c (note_reg_stored): New function.
13454 (struct note_reg_stored_arg): New structure.
13455 (try_copy_prop): Change to be more conservative; only replace within
13456 one extended basic block and stop replacing if a store to the
13457 replacement reg is seen.
13459 1999-12-02 Nick Clifton <nickc@cygnus.com>
13461 * config/fp-bit.c: Initialise all fields of the NAN
13464 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13467 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13469 * i386.md (extend?f?f2): Force the input into a register, not
13472 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13474 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13476 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13477 alternative because setting up 64bit constant is usually costly,
13478 especially when reload is in progress or completed.
13479 (movdf_const_intreg_sp64): Likewise.
13480 (movdf_const_intreg split): Fix building up constants when
13481 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13483 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13485 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13486 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13489 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13490 (asm_file_start): Emit .am33 into assembly file when compiling for
13492 (print_operand_address): Handle POST_INC addresses.
13493 (can_use_return_insn, initial_offset): Check AM33 registers too.
13494 (expand_prologue): Check & save AM33 registers too.
13495 (expand_epilogue): Similarly.
13496 (secondary_reload_class): Handle AM33 specific secondary reloads.
13497 (output_tst): Emit efficient code for the AM33 too.
13498 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13499 (TARGET_SWITCHES): Add -mam33 switch.
13500 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13501 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13502 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13503 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13504 (enum reg_class, REG_CLASS_NAMES): Likewise.
13505 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13506 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13507 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13508 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13509 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13510 (HAVE_POST_INCREMENT): Define.
13511 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13512 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13513 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13514 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13515 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13516 (zero_extend to SI from QI/HI): Likewise.
13517 (sign_extend to SI from QI/HI): Likewise.
13518 (mulsidi3, umulsidi3): New patterns for the AM33.
13519 (tstsi with zero extension from QI/HI): Add AM33 variants.
13520 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13521 (return_internal_regs, store_movm): Handle new AM33 registers.
13522 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13523 (LIBGCC, INSTALL_LIBGCC): Likewise.
13524 * invoke.texi: Document new flags.
13526 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13528 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13529 (addsi3_carry): Likewise.
13530 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13531 (sbbsi3_carry): Likewise.
13532 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13533 (mulhi3): Likewise.
13534 (test?i_1): Ensure that only one operand is memory.
13535 (conditional move patterns): likewise.
13536 (shift and rotate patterns): Rewrite to expander, add
13537 "binary_operator_ok" to the condition.
13539 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13540 * i386.h (procesor_costs): Add movzbl_load field.
13541 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13542 non-Q registers, accept DImode registers anywhere.
13544 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13545 * i386.c (*_cost): Set value for movxbl_load field.
13547 * (addsi): New add to lea splitter.
13548 (ashlsi): Likewise.
13549 (lea to add/shift peep2): New.
13551 1999-12-01 Mark Salter <msalter@cygnus.com>
13553 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13554 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13555 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13557 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13559 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13560 * i386.md (movsi_xor): New.
13562 (movsi_1, movhi_1, movqi_1): Remove.
13563 (movsi_2): Rename to movsi_1.
13564 (movhi_2): Rename to movhi_1.
13565 (movqi_2): Rename to movqi_1.
13566 (movdi_1): Remove; remove splitter.
13567 (movdi_2): Rename to movdi_1.
13568 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13569 (long move peep2): Do not create QI or HI mode mov0s
13570 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13572 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13575 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13576 (abs?f2_if): Likewise.
13578 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13580 * ggc.h (ggc_test_and_set_mark): New macro.
13581 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13582 (ggc_mark_tree): Likewise.
13583 (ggc_mark_rtvec): Likewise.
13584 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13586 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13588 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13590 (decl_scope_table): Just an array of trees now.
13591 (push_decl_scope): Simplify.
13592 (dwarf2out_init): Adjust.
13593 (local_scope_p): New fn.
13594 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13595 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13596 (gen_typedef_die): Likewise.
13597 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13598 (gen_inlined_subroutine_die): Likewise.
13599 (gen_abstract_function): Set current_function_decl temporarily.
13600 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13601 Handle block extern declarations. Don't call push/pop_decl_scope.
13602 (gen_decl_die): Fix logic for block externs.
13604 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13606 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13607 to the list of functions which have attribute malloc by default.
13609 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13612 integer constant does not match the traditional type, limit the
13613 warnings to cases where the base of the type is ten.
13615 * invoke.texi (-Wtraditional): Document it.
13617 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13619 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13620 * rs6000.md: Only access a CONST_INT with INTVAL
13622 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13624 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13625 (compute_nearerout): Likewise.
13626 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13627 size_t to unsigned long for formatting.
13629 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13631 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13632 Allow the user to override call-used/fixed state of %g2-5
13633 registers from the command line (with the exception of %g4 for
13635 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13636 there is a higher chance of having a leaf function.
13637 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13638 for ARCH64 which has %ccr register.
13639 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13641 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13642 insn accept into delay slot any insn which does not use %[ol]
13643 registers. Accept some LO_SUM and shift left by 1 for the normal
13645 (output_function_epilogue): Likewise.
13646 (epilogue_renumber): Added argument which inhibits any renumbering
13647 and just tests if the rtx does not use any %[ol] registers.
13648 (output_return): Reflect above change.
13650 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13652 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13653 aggregate passing for sizes <= 16 bytes.
13655 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13657 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13658 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13659 * reload.c (find_dummy_reload): Likewise.
13660 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13661 * reload1.c (reload_as_needed): Likewise.
13662 * stupid.c (stupid_find_reg): Likewise.
13663 * tm.texi (Obsolete Register Macros): Delete section.
13664 * gmicro.h: Remove all traces of the two macros.
13665 * i386.h: Likewise.
13666 * m88k.h: Likewise.
13667 * mips.h: Likewise.
13669 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13671 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13672 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13673 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13674 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13675 units for the sparclite86x chip.
13676 (flush): Revert October 14th change; add SImode specifically.
13677 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13678 * invoke.texi: Document it.
13680 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13682 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13683 psimode_truncation_operand.
13685 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13686 function. Return true if the operand is either a MEM valid
13687 for a PSImode address or not a MEM at all.
13689 * config/mn10200/mn10200.md (truncsipsi2): Use
13690 psimode_truncation_operand.
13692 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13694 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13695 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13696 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13697 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13698 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13699 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13700 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13701 * basic-block.h: Protect from multiple inclusion.
13702 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13703 (struct loops, struct loop): Define structures.
13704 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13705 * sbitmap.h: Protect from multiple inclusion.
13706 (sbitmap_a_subset_b_p): Add prototype.
13707 * Makefile.in (LOOP_H): New macro.
13708 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13710 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13712 * cppinit.c (CAT): The argument list of this macro may not contain
13715 1999-11-29 David S. Miller <davem@redhat.com>
13717 Move quantity tables and register equivalence chains into
13718 per-qty and per-register structure arrays respectively.
13719 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13720 qty_const_insn, qty_comparison_code, qty_comparison_const,
13721 qty_comparison_qty): Delete, replace with...
13722 (qty_table): this structure table.
13723 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13724 (reg_eqv_table): this structure table.
13725 (make_new_qty): Add argument MODE. Caller updated.
13726 Update to use qty_table and reg_eqv_table.
13727 (make_regs_eqv, delete_reg_equiv, insert_regs,
13728 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13729 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13730 cse_process_notes, cse_main, cse_basic_block): Likewise.
13732 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13734 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13735 operation if C is negative.
13736 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13737 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13738 law for some divisions if constant is negative and change other
13739 divisions to the opposite rounding.
13741 * expr.c (store_constructor_field): If bit position is not multiple
13742 of alignment of TARGET's mode, use BLKmode.
13744 * expr.c (expand_expr_unaligned): Add more code from full case
13745 that is needed when OP0 is in a register.
13747 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13749 * dwarfout.c (field_byte_offset): Size can be zero if there was
13752 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13754 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13755 (associate_trees): Delete unused var TEM.
13756 (extract_muldiv): Delete unused var CANCEL_P.
13758 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13759 (target_isinf, target_isnan, target_negative): Add return types to
13760 function definitions.
13762 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13764 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13765 * fixinc/hackshell.tpl: ditto
13766 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13767 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13769 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13771 * reload.c (push_reload): When looking for a register to put into
13772 reg_rtx, make sure all hard regs in a multi-reg register are in the
13773 right class and nonfixed.
13775 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13776 pending_read_insns, pending_write_insns, pending_read_mems,
13777 pending_write_mems, pending_list_length, last_pending_memory_flush,
13778 last_function_call, sched_before_next_call): Move static variables
13780 (bb_ prefixed versions): Replace with single array bb_deps.
13781 (struct deps): New structure.
13782 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13783 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13784 argument of type "struct deps *"; use that instead of global
13785 variables. All callers changed.
13786 (init_rgn_data_dependencies): Delete function.
13787 (init_rtx_vector): Delete function.
13788 (init_deps): New function.
13790 (free_pending_lists): Simplify, we always use the bb_deps array even
13791 if only one basic block.
13792 (compute_block_backward_dependences): Likewise.
13793 (schedule_region): Likewise.
13795 (propagate_deps): New function, broken out of
13796 compute_block_backward_dependences.
13797 (compute_block_backward_dependences): Use it.
13799 * alpha.md: Delete useless patterns that tried to work around
13800 register elimination problems.
13802 * unroll.c (loop_iterations): Don't abort if iteration variable
13805 From Joern Rennecke:
13806 * reload1.c (reloads_conflict): Reverse test comparing operand
13807 numbers when testing for conflict between output/outaddr reloads.
13809 1999-11-29 David S. Miller <davem@redhat.com>
13811 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13813 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13815 1999-11-28 Robert Lipe <robertl@cygnus.com>
13817 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13818 table from .fini into .dtor.
13820 1999-11-28 Anthony Green <green@cygnus.com>
13822 * tree.h (struct tree_decl): Add malloc_flag.
13823 (DECL_IS_MALLOC): Define.
13824 * c-common.c (attrs): Add A_MALLOC attribute.
13825 (init_attributes): Add this attribute to the table.
13826 (decl_attributes): Handle malloc attribute.
13827 * calls.c (special_function_p): Check for the malloc attribute.
13828 * extend.texi (Function Attributes): Document malloc attribute.
13830 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13832 * pa.md (reload shift-add patterns): Remove.
13834 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13836 * reorg.c (dbr_schedule) Print more statistics. Corrected
13837 problem when printing info when 3 delay slots are filled.
13839 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13841 * combine.c (setup_incoming_promotions): Pass an outgoing
13842 regno to FUNCTION_ARG_REGNO_P which it expects.
13844 1999-11-28 Andreas Jaeger <aj@suse.de>
13846 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13848 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13850 * cccp.c (do_include): Avoid initialization of automatic variable.
13852 * integrate.c (mark_stores): Function definition made void, to match
13853 previous declaration.
13854 * regclass.c (dump_regclass): Ditto.
13855 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13857 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13859 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13860 known to be multiple of divisor.
13862 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13864 * combine.c (try_combine): Add code to try to merge a set of a
13865 two-word pseudo to a constant with a setting of one of those words
13868 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13869 (split_tree): Completely rework to make more general.
13870 (make_range, fold): Call negate_expr.
13871 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13872 (fold, associate): Call new split_tree and associate_trees.
13873 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13875 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13877 * loop.c (try_copy_prop): Avoid GNU C extension.
13879 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13881 * except.c (init_eh_for_function): Still zero eh_return_context,
13882 eh_return_stack_adjust, and eh_return_handler.
13884 * except.h (eh_status): Adjust documentation for x_protect_list.
13885 (begin_protect_partials): New function.
13886 * except.c (enqueue_eh_entry): Fix formatting.
13887 (get_first_handler): Add consistency check.
13888 (add_partial_entry): Adjust usage of protect_list.
13889 (emit_cleanup_handler): Save and restore ehqueue.
13890 (expand_start_all_catch): Add comment.
13891 (begin_protect_partials): New function.
13892 (end_protect_partials): Adjust usage of protect_list.
13893 (init_eh_for_function): Use xcalloc.
13895 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13897 * c-common.c (check_format_info): Don't call a variadic function
13898 with a non-literal format string.
13900 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13902 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13903 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13906 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13909 * collect2.c (collect_wait): Likewise.
13911 * dbxout.c (dbxout_type): Likewise.
13913 * gcc.c (do_spec_1): Likewise.
13915 * genemit.c (gen_insn, gen_expand): Likewise.
13917 * genrecog.c (write_switch, write_subroutine): Likewise.
13919 * mips-tfile.c (catch_signal, botch): Likewise.
13921 * print-rtl.c (print_rtx): Likewise.
13923 * toplev.c (default_print_error_function, report_error_function,
13924 _fatal_insn): Likewise.
13926 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13928 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13930 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13932 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13933 operations when needed.
13934 * i386.md (fop_?f_comm): New.
13935 (fop_?f_1): Do not accept commutative operands.
13937 1999-11-25 Andreas Jaeger <aj@suse.de>
13939 * config/mips/mips.md (casesi_internal): Add missing brace.
13941 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13943 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13944 (splice_child_die): Handle moving a child DIE from the declaration
13945 DIE of a class to its specification.
13946 (gen_struct_or_union_type_die): Use 'complete' consistently.
13947 (gen_decl_die): Generate the virtual context DIE first.
13948 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13950 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13952 * config/mips/mips.md (call_value_multiple_interanal1): New.
13954 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13956 * dwarf2out.c (free_AT, free_die): New fns.
13957 (remove_children): Call them.
13958 (output_line_info): Disable removal of duplicate notes.
13960 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13961 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13962 means pretend the type isn't defined.
13963 Don't defer emitting types.
13964 (gen_type_die_for_member): New fn.
13965 (gen_decl_die): Call it.
13966 (splice_child_die): New fn.
13967 (gen_member_die): Call it rather than generate duplicate dies.
13969 Defer emitting information for the abstract instance of an inline
13970 until we either inline it or emit an out-of-line copy.
13971 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13972 from output_inline_function if DECL_ABSTRACT is also set.
13973 (block_ultimate_origin): Likewise.
13974 (gen_abstract_function): New fn.
13975 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13976 (gen_subprogram_die): An abstract instance is not a declaration
13977 just because it doesn't match current_function_decl. Don't abort
13978 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13979 has an abstract origin.
13980 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13981 abstract instance here.
13983 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13985 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13986 where we need to reload fpul from a system register.
13988 1999-11-24 Andreas Jaeger <aj@suse.de>
13990 * config/mips/linux.h (CPP_PREDEFINES): Added.
13991 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13993 1999-11-24 Andreas Jaeger <aj@suse.de>
13995 * config/mips/linux.h (TARGET_VERSION): Added.
13996 (HANDLE_SYSV_PRAGMA): Added.
13997 (DEFAULT_VTABLE_THUNKS): Added.
13999 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14001 * local-alloc.c (qty): New structure and static variable.
14002 (qty_phys_reg): Remove, all references changed to qty.
14003 (qty_n_refs): Likewise.
14004 (qty_min_class): Likewise.
14005 (qty_birth): Likewise.
14006 (qty_death): Likewise.
14007 (qty_size): Likewise.
14008 (qty_mode): Likewise.
14009 (qty_n_calls_crossed): Likewise.
14010 (qty_alternate_class): Likewise.
14011 (qty_changes_size): Likewise.
14012 (qty_first_reg): Likewise.
14013 (alloc_qty): Rename variable QTY to QTYNO.
14014 (finf_free_reg): Likewise.
14015 (local_alloc): Allocate qty, do not allocate the removed variables.
14017 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14019 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14020 when -membedded-pic is passed.
14022 * config/mips/mips.md (casesi): Handle 64-bit case too.
14023 (casesi_internal_di): New insn.
14025 * config/mips/mips.c (embedded_pic_offset): Always make the
14026 embedded-pic subtractions relative to the name of the current
14027 function by use of the magic string "..CURRENT_FUNCTION".
14028 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14030 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14032 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14033 of (const_int 0), when what we really care about is
14034 whether it's a zero constant anyway.
14035 (div_trap_mips16): Likewise.
14037 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14039 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14040 unroll_block_trees when generating debuggable code.
14042 * tree.h (unsave_expr_1): New function.
14043 (lang_unsave): New variable.
14044 (get_callee_fndecl): New function.
14045 * tree.c (unsave_expr_now_r): New function.
14046 (lang_unsave): Define.
14047 (unsave_expr_1): Likewise.
14048 (unsave_expr_now_r): Split out from unsave_expr_now.
14049 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14050 call unsave_expr_now_r.
14051 (get_callee_fndecl): Define.
14053 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14054 (gencheck.o): Do depend on lang_tree_files.
14056 * integrate.h (copy_decl_for_inlining): New declaration.
14057 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14058 (copy_decl_for_inlining): New function.
14059 (integrate_parm_decls): Use it.
14060 (integrate_decl_tree): Likewise.
14062 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14064 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14065 the second two from the first.
14066 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14067 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14068 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14070 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14071 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14074 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14076 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14077 needed on the address operand.
14078 * pa.c (call_operand_address): Check for the correct mode.
14080 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14082 * loop.c: Include "basic-block.h".
14083 (try_copy_prop, replace_loop_reg): New functions.
14084 (load_mems): Detect registers that just hold copies of the hoisted
14085 mem, and call try_copy_prop to eliminate them.
14086 * Makefile.in (loop.o): Update dependencies.
14088 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14090 * Makefile.in (gencheck.o): Depend on gencheck.h.
14091 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14092 (insn-peep.o): Depend on except.h and function.h.
14093 (insn-attrtab.o): Depend on RECOG_H.
14094 (insn-output.o): Depend on toplev.h and flags.h.
14095 (gengenrtl.o): Depend on real.h.
14096 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14097 Unify all dependencies to be on RECOG_H rather than recog.h.
14099 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14101 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14102 * configure.in: Try building a bi-arch 32/64-bit compiler on
14103 sparc-*-solaris2.7 and higher.
14104 * configure: Rebuild.
14106 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14108 * config/freebsd.h: New, FreeBSD architecture independent file.
14109 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14110 independent pieces.
14111 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14112 directly by i386/freebsd.h.
14113 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14114 independent configuration file.
14115 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14116 directly by i386/freebsd.h.
14117 * configure: Rebuilt.
14119 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14120 which is in the user's namespace.
14121 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14122 `i386' which is not in our namespace.
14124 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14126 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14128 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14130 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14131 (add_dwarf_attr, add_child_die): Just push onto the front.
14132 (reverse_die_lists): New fn.
14133 (add_sibling_attributes): Use it.
14134 (push_decl_scope): Reorganize.
14135 (add_name_and_src_coords_attributes): Don't set file and line for
14136 an artificial decl.
14137 (gen_subprogram_die): An artificial function doesn't need to match
14139 (gen_compile_unit_die): Return the generated die. Only add
14140 AT_comp_dir if the filename is relative.
14141 (remove_AT): Simplify loop. Also free string values.
14142 (output_die): A DIE ref can't be null.
14143 (output_value_format, value_format): Take a dw_attr_ref.
14144 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14145 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14146 AT_addr, AT_lbl): New fns.
14147 (various): Use them.
14148 (various): Constify.
14150 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14152 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14153 take SUBREG_WORD into account.
14154 (if_then_else_cond): Likewise.
14156 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14158 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14159 clause from BSD license, pursuant with
14161 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14163 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14165 * loop.c (load_mems): Reformat slightly.
14166 * basic-block.h (regset_head): New typedef.
14167 (INIT_REG_SET): New macro.
14169 1999-11-22 Bruce Korb <autogen@linuxbox.com
14171 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14172 (mips-dec-bsd*): non-functional code
14173 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14175 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14176 added three replacement fixes
14177 (no_double_slash): removed comments that are not (any longer) pertinent
14178 (bad_lval): this fix currently runs against many files.
14179 The comment seems to indicate that we should select for files
14180 containing 'pragma extern_prefix'.
14182 * fixinc/fixinc.x86-linux-gnu: deleted
14183 * fixinc/inclhack.sh: regen
14184 * fixinc/fixincl.x: regen
14185 * fixinc/fixincl.sh: regen
14187 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14189 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14190 its code is INSN and it has no notes.
14192 1999-11-22 Andrew Haley <aph@cygnus.com>
14194 * varasm.c (function_defined): Remove.
14195 (make_function_rtl): Don't set function_defined.
14196 (make_decl_rtl): Remove global register warning.
14197 * regclass.c (no_global_reg_vars): New variable.
14198 (globalize_reg): Warn if function has already been defined.
14199 (regclass_init): Set no_global_reg_vars.
14201 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14203 * regclass.c (reg_pref): New structure and static variable
14204 (prefclass): Delete.
14205 (altclass): Delete.
14206 (all uses of prefclass and altclass): Use reg_pref instead.
14208 1999-11-21 Nick Clifton <nickc@cygnus.com>
14210 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14212 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14213 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14214 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14216 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14218 * varasm.c (output_constructor): Solve problem with long long
14219 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14221 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14223 * global.c (allocno): New structure and static variable.
14224 (allocno_reg): Remove, all references replaced by allocno.
14225 (allocno_size): Likewise.
14226 (hard_reg_conflicts): Likewise.
14227 (hard_reg_preferences): Likewise.
14228 (hard_reg_copy_preferences): Likewise.
14229 (hard_reg_full_preferences): Likewise.
14230 (regs_someone_prefers): Likewise.
14231 (allocno_calls_crossed): Likewise.
14232 (allocno_n_refs): Likewise.
14233 (allocno_live_length): Likewise.
14234 (find_reg): Rename ALLOCNO to NUM.
14236 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14237 references updated.
14238 (may_move_out_cost): New variable.
14239 (init_reg_sets_1): Initialize may_move_out_cost.
14240 (record_reg_classes): Use may_move_out_cost.
14242 * regclass.c (dump_regclass): New function.
14243 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14244 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14245 pass rtl_dump_file to regclass.
14246 * rtl.h (regclass): Update prototype.
14248 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14250 * i386.md (neg, not and abs patterns): Revmap to use
14251 ix86_expand_unary_operator and ix86_unary_operator_ok.
14252 (add?f and sub?f expanders): Force operand 1 to register.
14253 * i386.c (ix86_expand_unary_operator): Rewrite.
14254 (ix86_unary_operator_ok): Ensure that memory operands
14256 (ix86_binary_operator_ok): Do not allow operand 1 to
14257 come into memory and operand 0 not.
14258 (ix86_expand_binary_operator): Ensure that
14259 src1 is not non-matching memory.
14261 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14262 to support integer registers and memory.
14263 (abss?2_integer): Likewise.
14265 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14266 (REG_CLASS_NAMES): Likewise.
14267 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14269 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14270 (movsf): Likewise; unify 4th and 5th alternative.
14271 (pushdf): Likewise.
14272 (movdf_1): Likewise; rename to movdf_integer.
14273 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14274 remove redundant splitter.
14275 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14276 (movdf_nointeger): New.
14277 (movxf_nointeger): New.
14278 (pushxf_nointeger): New.
14280 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14281 memory operands in patterns.
14282 (fop*): Refuse two memory operands.
14284 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14285 on !TARGET_USE_CLTD CPUs.
14287 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14289 * extend.texi: Document C++ restricted pointers and references.
14291 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14293 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14294 (invalidate_skipped_set): Call it unconditionally.
14295 (cse_set_around_loop): Likewise.
14297 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14299 * rtl.texi (mem): Add documentation for alias-set argument
14302 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14304 * i386.h (struct_processor_costs): New fields int_load, int_store,
14305 fp_move, fp_load and fp_store
14306 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14308 (MEMORY_MOVE_COST): New macro.
14309 * i386.c (386_cost): Define new fields.
14310 (i486_cost): Likewise.
14311 (pentium_cost): Likewise.
14312 (pentiumpro_cost): Likewise.
14313 (k6_cost): Likewise.
14315 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14316 Geoffrey Keating <geoffk@cygnus.com>
14318 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14320 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14323 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14324 (TARGET_STRICT_ALIGNMENT): New macro.
14325 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14326 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14327 * invoke.texi (M680x0 Options): Document -mstrict-align.
14329 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14330 Richard Henderson <rth@cygnus.com>
14332 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14333 (ix86_split_long_move): Declare.
14334 * i386.c (split_xf, ix86_split_movdi): Remove.
14335 (ix86_split_to_parts, ix86_split_long_move): New.
14336 * i386.md (dimode move splitters): Use ix86_split_long_move.
14337 (dfmode move splitters): Likewise.
14338 (xfmode move splitters): Likewise.
14339 (movsf_1): Allow F->r.
14340 (movdf_1, movxf_1): Allow F->ro.
14342 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14344 * except.h (struct eh_entry): Add goto_entry_p.
14345 (eh_region_from_symbol): Remove prototype.
14346 * except.c (find_func_region_from_symbol): New function.
14347 (emit_cleanup_handler): Likewise.
14348 (eh_region_from_symbol): Make it static.
14349 (add_new_handler): Verify the argument.
14350 (find_func_region): Update comment.
14351 (expand_eh_region_end): Expand handlers here, rater than waiting
14352 until expand_leftover_cleanups or start_all_catch.
14353 (expand_leftover_cleanups): Don't expand here.
14354 (expand_start_all_catch): Or here.
14355 (expand_rethrow): Check the return value from find_func_region.
14356 * function.c (expand_function_end): Emit the catch_clauses.
14358 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14360 * integrate.c (expand_inline_function): Add necessary check for NULL.
14362 1999-11-18 Nick Clifton <nickc@cygnus.com>
14364 * toplev.c (main): Correctly detect an unrecognised option.
14366 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14367 a -f option if it has not been recognised.
14369 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14371 * basic-block.h (update_life_extent): Remove trailing comma on
14372 enumeration type list.
14374 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14376 * varasm.c (output_constructor) Solved problem with long long
14377 bitfields. Corrected calculating this_time and shift. Also
14378 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14380 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14382 * flow.c (split_edge): Take looping structure into account when
14383 determining where to put the new block note.
14385 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14387 * Makefile.in (ggc-none.o): Provide host specific version if
14390 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14392 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14393 containing subregs too.
14395 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14397 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14398 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14399 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14400 (text_section): Add switches -munint-const-in-rodata and
14401 -mno-uninit-const-in-rodata.
14402 (ASM_OUTPUT_COMMON): Remove.
14403 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14404 const objects should be placed in read-only data. Otherwise declare
14407 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14409 * jump.c (jump_optimize_1): Revert last change.
14411 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14413 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14414 test if optimizing for size.
14416 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14418 * Makefile.in (toplev.o): Depend on except.h.
14419 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14421 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14423 * i386.md (divmodsi4): Rewrite to expander.
14424 (*divmodsi4_nocltd): New.
14425 (*divmodsi4_cltd): New.
14426 (divmodsi4 splitter): Handle the case when input comes in edx.
14427 (udivmodhi4): Do not use constraints in exander.
14428 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14430 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14432 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14433 for the common case.
14435 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14437 * explow.c (hard_function_value): Add outgoing argument.
14438 * expr.h (hard_function_value): Declare it.
14439 * calls.c (expand_call, emit_library_call_value): Update callers.
14440 * function.c (aggregate_value_p): Ditto.
14441 (diddle_return_value): Must look at the outgoing registers
14442 on archs with register windows.
14444 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14446 * alpha.c (alpha_build_va_list): Use make_lang_type and
14447 initialize TYPE_NAME for the va_list record.
14449 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14451 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14453 * ggc.h (struct ggc_statistics): Rearrange elements for better
14454 packing on 64-bit hosts.
14455 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14456 (compute_nearerout): Likewise.
14458 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14460 * config/rs6000/rs6000.c (first_reg_to_save): Save
14461 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14463 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14465 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14466 notion of nesting to find the DIE for a type or function.
14467 DIEs can go in limbo even if we got a context_die.
14468 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14469 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14471 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14472 (gen_type_die): Writing out the context doesn't cause member class
14473 template instantiations to be written out as well.
14475 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14477 * rs6000.h (ASM_OUTPUT_DEF): New.
14478 Based on proposed addition from David Edelsohn.
14480 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14481 Bruce Korb <autogen@linuxbox.com>
14483 * fixinc/inclhack.def
14484 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14485 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14487 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14488 (svr4_endian): enabled with SVR5
14489 (svr4_mkdev): simplified syntax and enabled with SVR5
14491 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14493 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14494 * configure: Rebuilt.
14495 * config/t-freebsd-thread: New file.
14497 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14499 * i386.c (ix86_decompose_address): Verify the base is a REG
14500 before trying to examine its register number.
14502 * basic-block.h: Remove all #defines and prototypes related to
14504 (free_bb_mem, compute_preds_succs): Remove prototype.
14505 * rtl.h (free_bb_mem): Remove prototype.
14506 * flow.c (alloc_int_list_node); Remove function.
14507 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14508 (compute_preds_succs, free_bb_mem): Likewise.
14509 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14510 * toplev.c (rest_of_compilation): Likewise.
14511 * haifa-sched.c (build_control_flow): Use flow generated edge
14512 list to build the haifa specific edge list.
14513 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14514 (schedule_insns): Do not build pred/succ lists anymore. Instead
14515 build the edge table.
14517 * basic-block.h (dump_bb_data): Remove declaration.
14518 * flow.c (dump_bb_data): Remove function.
14519 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14520 (sbitmap_union_of_predsucc): Likewise.
14522 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14523 argument. All callers changed.
14524 (delete_null_pointer_checks_1): No longer need to compute the
14527 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14528 All callers changed.
14529 (pre_expr_reaches_here_p_work): Likewise.
14530 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14531 * lcm.c (compute_laterin): Fix initialization of LATER.
14532 (compute_nearerout): Similarly for NEARER.
14534 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14536 * cse.c (set_nonvarying_address_components): Delete unused function.
14537 (refers_to_p): Likewise.
14539 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14541 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14544 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14546 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14547 definition in do while (0).
14549 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14551 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14553 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14555 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14557 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14559 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14560 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14561 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14562 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14564 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14565 saved on the stack. Output more accurate stack frame statistics
14566 into assembler file.
14568 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14570 * genextract.c (record_insn_name): New function.
14571 (get_insn_name): No longer a stub.
14572 (main): Call record_insn_name for each insn. After each label
14573 written, print the insn name in a comment.
14575 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14577 * output.h (const_section, init_section, fini_section): Add
14580 * alpha/elf.h (const_section): Delete declaration.
14582 * svr4.h (const_section): Likewise.
14584 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14586 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14587 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14588 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14590 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14591 variable-sized array bounds.
14593 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14595 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14598 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14600 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14601 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14603 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14605 * cse.c (hash_arg_in_struct): Delete.
14606 (struct table_elt): Delete elt in_struct.
14607 (struct set): Delete elt src_in_struct.
14608 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14609 the corresponding in_struct elts.
14610 (canon_hash): Likewise.
14611 (safe_hash): Likewise.
14612 (find_best_addr): Likewise.
14613 (record_jump_cond): Likewise.
14614 (cse_insn): Likewise.
14616 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14618 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14620 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14623 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14625 * function.c (diddle_return_value): Put back check that the DECL_RTL
14626 for the function is a register.
14628 * function.c (diddle_return_value): Use hard_function_value to
14629 get an rtx suitable for use in the USE/CLOBBER insn.
14631 * global.c (global_conflicts): Update comments.
14632 (record_conflicts): No need to record conflicts between pseudos here.
14634 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14636 * fixinc/fixincl.c: Added verbose levels for status messages
14638 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14640 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14641 operand as argument to expand_and or expand_binop.
14643 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14645 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14646 gcc_add_string_root.
14648 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14650 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14652 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14654 * flow.c (compute_flow_dominators): Initially put all blocks on
14656 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14657 * gcse.c (compute_cprop_avinout): Remove.
14658 (compute_cprop_data): Use compute_available.
14659 (delete_null_pointer_checks_1): Use compute_available.
14661 * basic-block.h (compute_available): Returns a void now.
14662 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14663 to return a value anymore.
14664 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14665 worklists. Fix boundary cases. Compute maximal solutions.
14666 (compute_laterin, compute_nearerout): Similarly.
14668 * dwarf2out.c (add_AT_location_description): Allow
14669 (mem (plus (pseudo) (...)) too.
14671 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14673 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14675 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14676 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14678 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14680 * gansidecl.h: Likewise.
14686 * toplev.h: Likewise.
14688 * tree.c: Likewise.
14690 * tree.h: Likewise.
14692 * varray.c: Likewise.
14694 * varray.h: Likewise.
14696 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14698 * gcov.c (struct arcdata): Add hits and total, remove prob.
14699 (output_branch_counts): New.
14700 (process_args): Set output_branch_counts if -c.
14701 (calculate_branch_probs): Store hits and total instead of
14703 (output_data): Emit counts if output_branch_counts is true.
14704 * gcov.texi (Invoking Gcov): Document -c switch..
14706 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14708 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14709 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14711 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14713 * invoke.texi (C Dialect Options): Add missing builtins from
14714 c-common.c to list.
14715 * extend.texi (Other Builtins): Copy to this list.
14717 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14719 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14720 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14721 redundant bitmap.h.
14723 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14725 * flow.c (compute_flow_dominators): No longer treat basic block 0
14726 or (n_basic_blocks - 1) specially. Clear the AUX field before
14727 starting computation of doms/pdoms. Fix initial state for pdoms.
14729 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14731 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14732 match rtl.o's: added ggc.h and toplev.h
14733 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14734 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14735 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14737 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14739 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14740 from HAVE_DOS_BASED_FILESYSTEM.
14741 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14742 HAVE_DOS_BASED_FILESYSTEM.
14744 (split_directories): Only special-case DOS file names if
14745 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14746 instead of explicit tests. Conditionalize on !VMS.
14747 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14748 tests. Conditionalize on !VMS.
14749 (process_command): Only use make_relative_prefix if !VMS.
14750 (free_split_directories): Conditionalize on !VMS.
14751 (DIR_UP): Conditionalize on !VMS.
14753 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14755 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14757 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14759 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14762 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14764 * invoke.texi (Environment Variables): Document relative path
14766 * gcc.c (DIR_UP): If not defined, define as "..".
14767 (standard_bindir_prefix): New static, holds target location to
14769 (split_directories): New function to split a filename into
14770 component directories.
14771 (free_split_directories): New function, release memory allocated
14772 by split_directories.
14773 (make_relative_prefix): New function, make a relative pathname if
14774 the compiler is not in the expected location.
14775 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14776 can figure out an appropriate prefix from argv[0].
14777 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14778 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14779 STANDARD_BINDIR_PREFIX.
14781 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14783 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14785 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14786 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14787 c4x_secondary_memory_needed) Delete.
14788 (fp_zero_operand): Add mode argument.
14790 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14792 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14793 that is in reload_reg_used.
14795 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14797 * config/arm/arm-protos.h: New file: Prototypes for functions
14798 defined in arm.c and pe.c.
14799 * config/arm/arm.h: Fix compile time warnings.
14800 * config/arm/arm.c: Fix compile time warnings.
14801 * config/arm/pe.h: Fix compile time warnings.
14802 * config/arm/aout.h: Fix compile time warnings.
14804 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14806 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14809 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14810 Add support for subtargets.
14811 Add prototypes for new predicates.
14812 Add scheduling macros.
14814 * config/m32r/m32r.c: Fix compile time warnings.
14815 (int8_operand): New predicate function.
14816 (reg_or_cmp_int16_operand): New predicate function.
14817 (extend_operand): New predicate function.
14818 (m32r_adjust_code): New scheduling function.
14819 (m32r_adjust_priorty): New scheduling function.
14820 (m32r_sched_init): New scheduling function.
14821 (m32r_sched_reorder): New scheduling function.
14822 (m32r_sched_variable_issue): New scheduling function.
14823 (direct_return): New codegen function.
14824 (m32r_not_same_reg): New rtl testsing function.
14826 * config/m32r/m32r.md: Fix compile time warnings.
14827 Add support for pre decrement and post increment memory
14829 Add S<cc> patterns.
14832 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14834 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14835 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14836 (find_reg): Likewise.
14838 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14840 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14841 to avoid assembler errors.
14843 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14845 * config/v850/v850-protos.h: New file: Prototypes for functions
14847 * config/v850/v850.h: Move prototypes to v850-protos.h
14848 * config/v850/v850.c: Move prototypes to v850-protos.h
14849 * config/v850/v850.md: Fix compile time warnings.
14851 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14853 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14854 * config/fr30/fr30.c: Fix compile time warnings.
14855 * config/fr30/fr30.md: Fix compile time warnings.
14857 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14859 * tree.h (get_containing_scope): Declare it.
14860 * tree.c (get_containing_scope): New fucntion.
14861 (decl_function_context): Use it.
14862 * toplev.c (rest_of_compilation): Use get_containing_scope.
14864 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14866 * Makefile.in (rtl.o): Depend on toplev.h.
14868 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14870 * cse.c (delete_trivially_dead_insns): Replace alloca with
14872 * except.c (update_rethrow_references): Likewise.
14873 (init_eh_nesting_info): Likewise.
14874 * function.c (identify_blocks): Likewise.
14875 * gcse.c (dump_hash_table): Likewise.
14876 * graph.c (print_rtl_graph_with_bb): Likewise.
14877 * loop.c (combine_movables): Likewise.
14878 (move_movables): Likewise.
14879 (count_loop_regs_set): Likewise.
14880 (strength_reduce): Likewise.
14881 * profile.c (compute_branch_probabilities): New function, split
14883 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14884 * regclass.c (regclass): Likewise.
14885 * regmove.c (regmove_optimize): Likewise.
14886 * toplev.c (compile_file): Likewise.
14887 (main): Don't mess with the stack rlimit.
14889 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14891 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14892 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14894 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14896 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14898 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14900 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14901 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14904 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14906 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14908 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14910 * gcse.c (post_dominators): Kill.
14911 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14912 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14913 pass in a pdom array since we do not need pdoms.
14914 * haifa-sched.c (schedule_insns): Similarly.
14915 * flow.c (compute_dominators): Remove dead function.
14916 (compute_flow_dominators): Do not compute doms or pdoms if the
14917 caller does not request them. Split up loop to build doms and
14918 pdoms. Use a worklist to compute doms and pdoms.
14919 * basic-block.h (compute_dominators): Remove prototype.
14921 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14923 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14924 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14925 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14926 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14927 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14928 (schedule_region): Remove unused variable.
14929 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14931 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14933 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14934 (update_equiv_regs): Likewise.
14935 (block_alloc): Likewise.
14936 * reg-stack.c (reg_to_stack): Likewise.
14937 (convert_regs_2): Likewise.
14938 * reload1.c (reload_as_needed): Likewise.
14940 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14942 * Makefile.in (dbxout.o): Depend on ggc.h.
14943 (dwarf2out.o): Likewise.
14944 (xcoffout.o): Likewise.
14945 * dbxout.c: Include ggc.h.
14946 (dbxout_init): Register lastfile as a root.
14947 * dwarf2out.c: Include ggc.h.
14948 (dwarf2out_line): Register lastfile as a root.
14949 * xcoffout.c: Include ggc.h.
14950 (xcoffout_source_line): Register xcoff_lastfile as a root.
14952 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14954 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14956 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14958 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14960 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14962 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14964 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14965 (EXECUTE_IF_CONFLICT): Likewise.
14966 (ALLOCNO_LIVE_P): Avoid signed division.
14967 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14968 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14969 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14971 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14973 * haifa-sched.c (schedule_block): Don't crash if there's no
14974 next insn for an interblock movement.
14975 (add_branch_dependences): Don't allow clobber insns to move either.
14977 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14979 * i386.c (split_xf): New.
14980 * i386-protos.h: Declare it.
14981 * i386.md (movxf_1): Add general regs alternatives.
14982 (movxf_1+1): New splitter for same.
14984 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14986 * function.c (purge_addressof_1): Add missing return values.
14988 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14990 * function.c (is_addressof): New function. Returns true if
14991 the given piece of RTL is an ADDRESSOF.
14992 (purge_addressof_1): Make boolean. Return false if the
14993 ADDRESSOFs could not be purged.
14994 (purge_addressof): If ADDRESSOFs could not be purged from the
14995 notes attached to an insn, remove the offending note(s),
14996 unless they are attached to a libcall.
14998 1999-11-05 Andreas Jaeger <aj@suse.de>
15000 * genoutput.c (null_operand =): Initialize all fields.
15002 * errors.h: Add extern to prototypes.
15004 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15006 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15007 * configure: Rebuilt.
15009 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15011 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15012 (mirror_conflicts): New function.
15013 (global_alloc): Call it.
15014 (expand_preferences): Remove redundant CONFLICTP test.
15015 (find_reg, dump_conflicts): Likewise.
15016 (prune_preferences): Process conflicts one word at a time.
15018 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15020 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15021 instead of an explicit loop.
15023 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15025 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15026 if REG_RETVAL check succeeds, then put classp in src_elt.
15028 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15030 * function.c (pad_to_arg_alignment): Only update argument_pad
15031 if the argument's alignment is greater than STACK_BOUNDARY.
15033 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15035 * bitmap.h (BITMAP_XFREE): New.
15036 * flow.c (life_analysis): Use it.
15037 (life_analysis_1): Free blocks.
15039 * combine.c (undo_commit): New.
15040 (try_combine): Use it. Don't zap undobuf.undos.
15041 (combine_instructions): Don't zap undobuf.undos; free the
15042 undobuf.frees list.
15044 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15046 * stmt.c (cost_table_): New.
15047 (estimate_case_costs): Use it instead of xmalloc.
15049 * toplev.c (compile_file): Reuse dumpname memory instead
15052 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15054 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15055 after verifying an EH edge.
15057 * haifa-sched.c (init_rgn_data_dependences): Correctly
15058 size bb_pending_lists_length when zeroing.
15060 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15062 * function.c (diddle_return_value): New.
15063 (expand_function_end): Use it.
15064 * stmt.c (expand_null_return): Likewise.
15065 (expand_value_return): Likewise.
15067 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15069 * reload1.c (reload): Don't remove return value clobbers.
15071 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15073 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15075 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15077 * cse.c (cse_main): Use xmalloc, not alloca.
15078 (cse_basic_block): Likewise.
15079 * local-alloc.c (local_alloc): Likewise.
15081 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15082 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15084 * rtl.c: Include toplev.h.
15085 (fatal): Remove declaration.
15087 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15089 * haifa-sched.c (schedule_block): Fix thinko.
15091 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15093 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15094 S_IR* defined values
15096 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15098 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15099 call `malloc' instead.
15101 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15103 * flags.h (flag_renumber_insns): Declare.
15104 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15106 * rtl.h (renumber_insns): Change prototype.
15107 * toplev.c (flag_renumber_insns): Define.
15108 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15110 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15112 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15113 and fpsqrtd. Use them and create fdiv function unit to more
15114 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15115 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15117 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15119 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15121 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15122 insn into ready list, do not use just a raw swap.
15124 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15126 * rtl.h (renumber_insns): New function.
15127 (remove_unnecessary_notes): Likewise.
15128 * emit-rtl.c (renumber_insns): Define.
15129 (remove_unncessary_notes): Likewise.
15130 * toplev.c (rest_of_compilation): Remove dead code.
15131 Use renumber_insns and remove_unncessary_notes.
15133 * gcse.c (struct null_pointer_info): New type.
15134 (get_bitmap_width): New function.
15135 (current_block): Remove.
15136 (nonnull_local): Likewise.
15137 (nonnull_killed): Likewise.
15138 (invalidate_nonnull_info): Take a null_pointer_info as input.
15139 (delete_null_pointer_checks_1): New function.
15140 (delete_null_pointer_checks): Use it.
15142 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15143 (split_edges): Likewise.
15144 (schedule_block): Likewise.
15145 (compute_block_backward_dependencies): Likewise.
15146 (schedule_region): Likewise.
15147 (schedule_insns): Likewise.
15149 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15151 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15152 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15153 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15154 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15155 * jump.c (delete_unreferenced_labels): Don't delete if
15156 LABEL_ALTERNATE_NAME is set.
15157 * print-rtl.c (print_rtx): Dump alternate name.
15158 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15159 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15160 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15161 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15163 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15165 * fix-header.c (recognized_extern, recognized_function): Constify
15168 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15169 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15170 (compute_available): Remove unused variable `last'.
15171 (compute_nearerout): Remove unused variable `temp_bitmap'.
15172 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15173 Remove unused variable `x'.
15175 * scan.h (recognized_function, recognized_extern): Constify a
15178 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15180 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15182 * varasm.c (decode_rtx_const): Use XSTR to access the string
15185 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15187 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15189 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15191 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15193 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15195 * pa.c (ireg_operand): New function.
15196 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15197 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15198 Fix out of date comment.
15200 * pa.md (negdi2): Turn into expander + anonymous pattern.
15202 * reload.c (find_reloads): Fix typos in recent change.
15204 * dwarf2out.c: Do not include ctype.h.
15206 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15208 * regclass.c (record_reg_classes): Always use may_move_cost when
15209 seeing how operand fits with various register classes.
15211 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15213 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15214 * toplev.c: Revert Nov 1 13:22 change.
15216 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15218 * config/pa/pa.md (height reduction patterns): Add checks for
15219 overlapping operands to avoid semantic-destroying splits for
15220 height reduction patterns.
15222 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15224 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15225 have been an hyphen, fixed.
15226 * configure: Rebuilt.
15228 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15230 * config/arm/tpe.h: Add prototypes for exported functions.
15231 * config/arm/pe.c: Fix compile time warnings.
15232 * config/arm/semi.h: Fix compile time warnings.
15233 * config/arm/arm.c: Fix compile time warnings.
15234 * config/arm/arm.h: Fix compile time warnings.
15235 * config/arm/arm.md: Fix compile time warnings.
15236 * config/arm/thumb.c: Fix compile time warnings.
15237 * config/arm/thumb.h: Fix compile time warnings.
15238 * config/arm/thumb.md: Fix compile time warnings.
15240 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15242 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15245 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15246 completely unrolled.
15248 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15250 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15252 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15254 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15255 * rtl.h (rtx_equal_p): Move prototype.
15256 * rtl.c (rtx_equal_function_value_matters): Move from
15258 (rtx_equal_p): Likewise.
15259 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15260 (rtx_equal_p): Likewise.
15262 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15264 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15265 ! HAS_INIT_SECTION.
15267 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15269 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15271 * pa.h (ADDR_VEC_ALIGN): Define.
15273 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15274 notes when presented with "if (foo) break; end_of_loop" and
15275 the break sequence gets moved out of the loop.
15277 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15278 Remove explicit zero initializations of entries within MAP.
15280 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15282 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15284 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15286 * bitmap.h (BITMAP_XMALLOC): New macro.
15287 * flow.c (CLEAN_ALLOCA): Remove.
15288 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15289 (life_analysis): Likewise.
15290 (update_life_info): Don't use CLEAN_ALLOCA.
15291 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15292 (calculate_global_regs_live): Likewise.
15293 (print_rtl_with_bb): Likewise.
15294 (verify_flow_info): Likewise.
15295 * global.c (global_alloc): Likewise.
15296 (global_conflicts): Likewise.
15297 * integrate.c (save_for_inline_nocopy): Likewise.
15298 (expand_inline_function): Likewise.
15299 * jump.c (jump_optimize_1): Likewise.
15300 (duplicate_loop_exit_test): Likewise.
15301 (thread_jumps): Likewise.
15302 * loop.c (loop_optimize): Likewise.
15303 (combine_givs): Likewise.
15304 (recombine_givs): Likewise.
15305 * reorg.c (dbr_schedule): Likewise.
15306 * unroll.c (unroll_loop): Likewise.
15308 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15310 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15312 * toplev.c (rest_of_compilation): Don't optimize the CFG
15313 when rebuilding, just before dbr.
15315 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15317 * output.h (assemble_end_function, assemble_destructor,
15318 assemble_constructor, assemble_gc_entry, assemble_global,
15319 assemble_label, output_constant_pool) Constify a char*.
15321 * varasm.c (assemble_destructor, assemble_constructor,
15322 assemble_gc_entry, assemble_end_function, assemble_global,
15323 assemble_label, output_constant_pool): Likewise.
15325 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15327 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15328 explaining what is goin on in this function.
15330 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15332 * regclass.c (record_reg_classes): In matching case, recompute
15333 costs since the direction of movement is different.
15335 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15337 * resource.c (mark_target_live_regs): For unconditional branches,
15338 the resources found at the branch target should be added to the
15339 resources found so far, not intersected.
15341 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15343 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15345 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15346 (sys/mman.h): Include this file only if #HAVE_MMAP.
15347 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15348 with automatically concatenated ANSI strings.
15350 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15352 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15353 (DIV_ROUND_UP): Robustify.
15354 (ggc_recalculate_in_use_p): New function.
15355 (release_pages): Don't inline it.
15356 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15358 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15359 (clear_marks): Always save in_use_p.
15360 (sweep_pages): Use ggc_recalculate_in_use_p.
15361 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15362 Release pages before counting statistics.
15364 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15366 * toplev.c (rest_of_compilation): Fix thinko in this change:
15368 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15370 (rest_of_compilation): If inside an inlined external function,
15371 pretend we are just being declared.
15373 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15375 * flow.c (calculate_global_regs_live): Fix thinko.
15377 * integrate.c (expand_inline_function): Fix bugs in previous
15378 change from Oct 28, 1999.
15380 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15382 * stmt.c (expand_value_return): Fix typo in this change:
15384 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15385 (expand_value_return): Correctly convert VAL when promoting function
15386 return; support RETURN_REG being a PARALLEL.
15388 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15390 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15392 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15394 * hard-reg-set.h (reg_names): Constify a char*.
15396 * regclass.c (reg_names): Likewise.
15398 * regs.h (reg_names): Likewise
15400 * a29k/a29k.c (reg_names): Delete declaration.
15402 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15404 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15405 arc_output_function_epilogue): Likewise.
15407 * elxsi/elxsi.c (reg_names): Likewise.
15409 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15411 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15414 * m88k/m88k.c (output_function_profiler): Likewise.
15416 * sparc/sparc.c (sparc_flat_output_function_prologue,
15417 sparc_flat_output_function_epilogue): Likewise.
15419 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15421 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15422 warning from -Wuninitialized and put it under -W.
15423 * function.c (uninitialized_vars_warning): Warn only when the
15424 corresponding flag is set.
15426 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15428 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15429 is nonzero and the single set does not have an elt, then assign
15432 * simplify-rtx.c: New file.
15433 * Makefile.in (OBJS): Add simplify-rtx.o
15434 (simplify-rtx.o): Add dependencies.
15435 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15436 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15437 (cse_gen_binary, simplify_unary_operation): Delete.
15438 (simplify_binary_operation, simplify_plus_minus): Likewise.
15439 (check_fold_consts, simplify_relation_operation): Likewise.
15440 (simplify_ternary_operation): Likewise.
15441 (delete_trivially_dead_insns): Simplify the contents of the
15442 REG_EQUAL note before trying to substitute it into the source
15443 of the reg-reg copy at the end of a libcall sequence.
15445 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15446 references/callers changed.
15448 * mn10200.c (mn10200_va_arg): Force the return value into a
15451 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15453 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15456 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15458 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15460 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15462 * fold-const.c (fold): Fix thinko when optimizing comparisons
15465 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15467 * gcc.texi (Passes): Update front-end files to their current
15470 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15472 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15473 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15474 (PREDICATE_CODES): Add addition_operation.
15475 * alpha-protos.h (addition_operation): Declare.
15476 (secondary_reload_class): Likewise.
15477 * alpha.c (addition_operation): New.
15478 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15479 * alpha.md (adddi3): Turn into expander.
15480 (*lda, *adddi_2): New.
15481 (movsf, movdf patterns): Don't preference integer regs.
15482 (movsi, movdi patterns): Don't preference fp regs.
15484 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15486 * genrecog.c (write_switch): Check for duplicate CODE cases.
15488 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15490 * ggc-common.c: Update pre-function commentary.
15491 * ggc-page.c: Likewise.
15493 (poison_pages): Use memset directly.
15494 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15495 (ggc_collect): Poison before sweeping.
15496 * ggc-simple.c: Update pre-function commentary.
15497 (ggc_alloc_obj): Poison non-zeroed memory.
15499 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15501 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15502 match format string, even on 64-bit hosts.
15503 * gcc-page.c (ggc_page_print_statistics): Likewise.
15505 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15507 * config/i386/i386.c (ix86_cpu): Revert last patch.
15508 * config/i386/i386.h (ix86_cpu): Ditto.
15510 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15512 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15513 TYPE_SIZE, convert type of result to sizetype.
15515 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15517 * flow.c (count_or_remove_death_notes): Equate NULL with the
15520 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15521 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15524 * i386.c (pic_label_no): Delete.
15525 (ix86_attr_length_default): Don't use single_set to peek
15528 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15529 the first insn after bb->end.
15530 * i386.md (push mem peeps): Scratch is live after evaluation
15532 (cmp mem peep): Similarly.
15534 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15536 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15537 * function.c (pad_to_arg_alignment): Add missing braces.
15539 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15541 * alpha/alpha-protos.h (literal_section): Add prototype.
15542 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15545 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15547 (alpha_start_function, alpha_end_function, float_strings,
15548 alpha_need_linkage): Constify a char*
15550 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15552 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15554 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15556 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15558 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15560 * flow.c (debug_flow_info): Add prototype.
15562 * gcc.c (main): Likewise.
15564 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15567 * reload1.c (failed_reload, set_reload_reg): Likewise.
15569 * mips-tfile.c (main): Likewise.
15570 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15571 with ATTRIBUTE_NORETURN.
15573 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15575 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15576 DECL is not a memory ref.
15578 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15580 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15581 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15583 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15585 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15586 * config/mips/elf64.h: ditto.
15588 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15590 * expr.c (emit_push_insn): New argument alignment_pad.
15591 Update all callers. Adjust stack pointer based on alignment pad.
15592 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15593 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15594 (locate_and_pad_parm): New argument alignment_pad. Update all
15596 * expr.h (emit_push_insn): Update prototype.
15597 (locate_and_pad_parm): Update prototype.
15598 * calls.c (arg_data): Add new field alignment_pad.
15599 (initialize_argument_information): Initialize alignment_pad.
15601 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15603 * except.c (free_eh_nesting_info): Free the info itself.
15604 * function.c (free_after_compilation): Don't free NULL.
15605 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15606 (pre_edge_insert): Free inserted.
15607 * stmt.c (free_stmt_status): Don't free NULL.
15609 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15611 * gcov.c (DIR_SEPARATOR): Provide default.
15612 (output_data): Add test for MS-DOS format absolute filename.
15613 (fancy_abort): Correct program name.
15614 (open_files): Open all files in binary mode.
15615 * libgcc2.c (__bb_exit_func): Likewise.
15617 * profile.c (init_branch_prob): Specify binary when opening files.
15619 * flags.h (flag_unwind_tables): New decl.
15620 * toplev.c (flag_unwind_table): New definition.
15621 (f_options): Add -funwind-tables.
15622 (decode_g_option): Clarify warning when unknown -g option is given.
15623 (rest_of_compilation): If inside an inlined external function,
15624 pretend we are just being declared.
15626 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15627 (dwarf2out_frame_finish): Likewise.
15629 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15631 * fold-const.c (merge_ranges): If not in0, but in1, handle
15632 upper bounds equal like subset case.
15634 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15636 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15637 passed in a register but moved to the stack.
15639 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15641 * gcc.c (pass_exit_codes, greatest_status): New variables.
15642 (struct option_map): Add entry for "--pass-exit-codes".
15643 (execute): Update greatest_status if error.
15644 (display_help): Add documentation for -pass-exit-codes.
15645 (process_command): Handle -pass-exit-codes.
15646 (main): Look at pass_exit_codes and greatest_status on call to exit.
15648 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15650 * reload.c (find_reloads): Refine test for no input reload
15651 case to not includes reloads emitted after insn.
15653 * function.c (find_temp_slots_from_address): Handle sum involving
15654 a register that points to a temp slot.
15655 (update_temp_slot_address): Make recursive call if both old and
15656 new are PLUS with a common operand.
15657 * calls.c (expand_call): Mark temp slot for result as having
15660 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15662 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15663 component as well as "BINUTILS".
15665 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15666 * integrate.c (copy_rtx_and_substitute): Likewise.
15667 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15668 All callers changed.
15669 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15671 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15672 gdb extensions, write size of type; also be more consistent
15673 in using references when this is a subtype.
15675 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15676 that is out of range.
15678 * loop.c (unknown_constant_address_altered): New variable.
15679 (prescan_loop): Initialize it.
15680 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15681 (invariant_p, case MEM): Remove handling for volatile and readonly;
15682 check new variable if readonly.
15683 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15685 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15686 (addr_affects_sp_p): Removed from note_mem_written and only
15687 define #ifdef AUTO_INC_DEC.
15689 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15691 * regclass.c (record_reg_classes): Properly handle register move
15694 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15695 Don't think valid if both operands are invalid.
15696 (struct constant_descriptor): New field RTL.
15697 (mark_const_hash_entry): Mark it.
15698 (record_constant{,_rtx}): Initialize it.
15699 (output_constant_def): Allocate RTL in permanent obstack and
15701 ({record,compare}_constant_1): Modes must match for
15702 CONSTRUCTOR of ARRAY_TYPE.
15704 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15705 * output.h (initializer_constant_valid_p): Move decl to here.
15706 * c-common.c (initializer_constant_valid_p): Delete function from here.
15707 * varasm.c (initializer_constant_valid_p): Move function to here.
15709 * tree.h (STRIP_SIGN_NOPS): New macro.
15710 * fold-const.c (optimize_minmax_comparison): New function.
15711 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15712 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15713 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15714 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15715 widening conversions.
15716 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15717 to look at size of mode, not precision of type; also add missing cases.
15718 (optimize_bit_field_compare, decode_field_reference): Don't try to
15719 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15721 * dwarf2out.c (ctype.h): Include.
15722 (dwarf2out_set_demangle_name_func): New function.
15723 (size_of_line_info): Deleted.
15724 (output_line_info): Compute size of line info table from difference
15726 (base_type_die, add_name_attribute): Call demangle function, if any.
15727 (field_byte_offset): Use bits per word for variable length fields.
15728 (gen_array_type_die): Add array name.
15729 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15730 (dwarf2out_add_library_unit_info): New function.
15732 * explow.c (set_stack_check_libfunc): New function.
15733 (stack_check_libfunc): New static variable.
15734 (probe_stack_range): Allow front-end to set up a libfunc to call.
15736 * combine.c (simplify_comparison): When making comparison in wider
15737 mode, check for having commuted an AND and a SUBREG.
15738 (contains_muldiv): New function.
15739 (try_combine): Call it when dividing a PARALLEL.
15740 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15741 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15743 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15744 use one of the CLOBBERs instead.
15745 (if_then_else_cond): If comparing against zero, just return thing
15748 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15749 Don't generate shifts and subtract if have conditional arithmetic.
15751 * rtl.h (delete_barrier): New declaration.
15752 * jump.c (jump_optimize): Set up to handle conditional call.
15753 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15754 (delete_barrier): New function.
15756 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15758 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15760 * tree.c (build_type_attribute_variant): Push to obstack of
15761 ttype around type_hash_canon call.
15763 * expr.c (placeholder_list): Move decl to file scope.
15764 (expand_expr): Don't force access to volatile just because its
15766 If ignoring reference operations, just expand the operands.
15767 (expand_expr, case COMPONENT_REF): Propagate
15768 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15769 Refine test for using bitfield operations vs pointer punning.
15770 (expand_expr, case CONVERT_EXPR): If converting to
15771 BLKmode UNION_TYPE from BLKmode, just return inner object.
15772 Use proper mode in store_field call.
15773 Properly set sizes of object to store and total size in store_field
15774 call for convert to union.
15775 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15776 memory (like for ADDR_EXPR). Also, don't put constant in register if
15777 we'll want it in memory.
15778 (readonly_fields_p): New function.
15779 (expand_expr, case INDIRECT_REF): Call it if LHS.
15780 (expand_assignment): Handle a RESULT_DECL where
15781 DECL_RTL is a PARALLEL.
15782 (do_jump, case WITH_RECORD_EXPR): New case.
15783 (get_inner_reference): Always go inside a CONVERT_EXPR
15784 and NOP_EXPR if both modes are the same.
15785 (store_field): Use bitfield operations if size of bitsize is not same
15786 as size of RHS's type.
15787 Check for bitpos not a multiple of alignment in BLKmode case.
15788 Do block move in largest possible alignment.
15789 (store_constructor): Set BITSIZE to -1 for variable size and properly
15790 in case of array of BLKmode.
15791 (expand_expr_unaligned): New function.
15792 (do_compare_and_jump): Call it.
15794 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15795 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15796 does not include 'o'.
15798 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15799 both SET_DEST and SET_SRC reference a virtual register.
15800 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15802 * integrate.c (expand_inline_function): Handle case of setting
15803 virtual stack vars register (from built in setjmp); when parameter
15804 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15805 (subst_constant): Add new parm, MEMONLY.
15806 (expand_inline_function, integrate_parm_decls): Pass new parm.
15807 (integrate_decl_tree): Likewise.
15808 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15809 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15810 (copy_rtx_and_substitute, case SET): Add explicit calls to
15811 copy_rtx_and_substitute for both sides.
15813 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15815 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15816 within INDEX_TYPE, instead of before.
15817 (fixup_gotos): Use f->target_rtl, not the next insn,
15818 since latter may be from a later fixup.
15819 (expand_value_return): Correctly convert VAL when promoting function
15820 return; support RETURN_REG being a PARALLEL.
15821 (expand_return): When checking for result in regs and having
15822 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15824 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15826 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15827 last_nominal_fname): Mark const.
15828 (struct include_hash: name, nshort, control_macro): Mark
15830 (struct macrodef: symnam): Mark const.
15831 (struct if_stack: fname): Mark const.
15832 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15833 (IStable): New character-syntax array which encompasses all
15834 the old is_foo arrays.
15835 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15836 is_space): New macros for interrogating IStable.
15837 (check_macro_name): Kill last argument. All callers changed.
15839 * cppinit.c (initialize_char_syntax): Delete.
15840 (is_idchar, is_idstart, is_hor_space, is_space,
15841 trigraph_table): Delete.
15842 (IStable): New. Initialize with clever macros to avoid
15843 information duplication.
15844 (builtin_array): Table of builtins to get rid of explicit list
15845 in initialize_builtins.
15846 (initialize_builtins): Use builtins_array.
15847 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15848 opts->dollars_in_ident.
15850 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15852 (cpp_parse_expr): Avoid 'format string is not constant'
15853 warning. Use ISGRAPH to identify printable chars.
15854 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15856 (read_and_prescan): Map trigraphs to chars with open-coded
15857 if-else-if-... sequence, not a lookup table.
15858 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15860 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15861 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15862 (check_macro_name): Remove ability to report an invalid
15863 assertion name, which is never used.
15864 (do_line): Constify a couple of char *'s.
15865 * cppmain.c (main): Call cpp_cleanup before returning.
15867 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15869 * ggc.h (struct ggc_statistics): New type.
15870 (ggc_get_size): New function.
15871 (ggc_print_statistics): Likewise.
15872 * ggc-common.c (ggc_stats): New variable.
15873 (ggc_mark_rtx_children): Keep statistics.
15874 (ggc_mark_tree_children): Likewise.
15875 (ggc_print_statistics): New function.
15876 * ggc-page.c (struct globals): Add bytes_mapped field.
15877 (alloc_anon): Update it.
15878 (release_pages): Likewise.
15879 (ggc_get_size): New function.
15880 (ggc_page_print_statistics): New function.
15881 * ggc-simple.c (ggc_get_size): New function.
15883 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15885 * flow.c (propagate_block): When the last reference to a label
15886 before an ADDR_VEC is deleted because the reference is a dead
15887 store, delete the ADDR_VEC.
15889 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15891 * resource.c (find_free_register): Don't use the frame pointer
15892 if frame_pointer_needed.
15894 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15896 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15897 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15899 * config/i960/i960.c (i960_va_start): New locals base, num.
15900 Use INDIRECT_REF instead of ARRAY_REF on valist.
15901 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15903 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15905 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15907 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15909 * tree.def (PLACEHOLDER_EXPR): Update comments.
15911 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15913 * c-common.c (check_format_info): Avoid non-literal format string
15914 warnings when `first_arg_num' is zero.
15916 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15918 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15920 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15922 * arm.md (casesi_insn): Add a clobber of the condition code
15925 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15927 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15928 used by both cc1 and cc1plus.
15930 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15932 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15933 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15934 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15935 to the value 32 if it has not already been defined.
15936 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15937 Override definition in arm.h with a value of 8.
15939 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15941 * c-pragma.c (push_alignment): Don't check the return value
15944 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15946 * sparc.h (ADJUST_COST): Fix thinko.
15948 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15950 * cccp.c (rescan): Fixed obp pointer handling around call to
15951 check_expand subroutine.
15953 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15955 * gcse.c (delete_null_pointer_checks): Only record non-null info
15956 for pseudos when examining stores.
15958 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15959 splitters for these patterns. Use "#" for output templates.
15960 (addsi3_carryin_shift): New pattern.
15962 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15964 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15965 of the function return register into a plain REG until
15966 after function inlining is done.
15968 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15970 * jump.c (jump_optimize_1): If we did cross-jumping, and
15971 the data will matter, rebuild the CFG.
15972 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15973 not optimizing. Don't run shorten_branches.
15974 * toplev.c (rest_of_compilation): Run shorten_branches after
15977 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15979 * rtl.h (note_stores): Add additional paramter.
15980 * rtlanal.c (reg_set_p_1): Take additional paramter.
15981 (reg_set_last_1): Likewise.
15982 (reg_set_p): Adjust call to note_stores.
15983 (reg_set_last): Likewise.
15984 (note_stores): Pass data parameter to worker function.
15985 * alias.c (record_set): Take additional parameter.
15986 (init_alias_analysis): Pass it.
15987 * caller-save.c (mark_set_regs): Take additional parameter.
15988 (save_call_clobbered_regs): Pass NULL to note_stores.
15989 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15991 (record_dead_and_set_regs_1): Likewise.
15992 (reg_dead_at_p_1): Likewise.
15993 (combine_instructions): Adjust calls to note_stores.
15994 (try_combine): Likewise.
15995 (record_dead_insn): Remove.
15996 (record_dead_and_set_regs): Adjust calls to note_stores.
15997 (reg_dead_at_p): Likewise.
15998 * cse.c (invalidate_skipped_set): Take additional parameter.
15999 (cse_check_loop_start): Likewise.
16000 (cse_check_loop_start_value): Remove.
16001 (cse_set_around_loop): Adjust calls to note_stores.
16002 * flow.c (notice_stack_pointer_modification): Take additional
16003 parameter. Remove duplicate declaration.
16004 (record_volatile_insns): Adjust calls to note_stores.
16005 * gcse.c (record_set_info): Take additional parameter.
16006 (record_last_set_info): Likewise.
16007 (invalidate_nonnull_info): Likewise.
16008 (record_set_insn): Remove.
16009 (compute_sets): Adjust calls to note_stores.
16010 (last_set_insn): Remove.
16011 (compute_hash_table): Adjust calls to note_stores.
16012 (insert_insn_end_bb): Likewise.
16013 (delete_null_pointer_checks): Likewise.
16014 * global.c (mark_reg_store): Take additional parameter.
16015 (mark_reg_clobber): Likewise.
16016 (reg_becomes_live): Likewise.
16017 (global_conflicts): Adjust calls to note_stores.
16018 (build_insn_chain): Likewise.
16019 * integrate.c (note_modified_parmregs): Take additional parameter.
16020 (mark_stores): Likewise. Make it static.
16021 (save_for_inline_nocopy): Adjust calls to note_stores.
16022 (try_constants): Likewise.
16023 * integrate.h (mark_stores): Remove declaration.
16024 * jump.c (mark_modified_reg): Take additional parameter.
16025 (thread_jumps): Adjust calls to note_stores.
16026 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16028 (no_equiv): Likewise.
16029 (reg_is_set): Likewise.
16030 (validate_equiv_mem): Adjust calls to note_stores.
16031 (update_equiv_regs): Likewise.
16032 (block_alloc): Likewise.
16033 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16034 (note_addr_stored): Take additional parameter.
16035 (note_set_pseudo_multiple_uses): Likewise.
16036 (record_initial): Likewise.
16037 (prescan_loop): Adjust calls to note_stores.
16038 (strength_reduce): Likewise.
16039 (check_dbra_loop): Likewise.
16040 * regmove.c (flags_set_1): Take additional paramter.
16041 (mark_flags_life_zones): Adjust calls to note_stores.
16042 * reload1.c (mark_not_eliminable): Take additional parameter.
16043 (forget_old_reloads_1): Likewise.
16044 (reload_cse_invalidate_rtx): Likewise.
16045 (reload_cse_check_clobber): Likewise.
16046 (reload_combine_note_store): Likewise.
16047 (move2add_note_store): Likewise.
16048 (reload): Adjust calls to note_stores.
16049 (reload_as_needed): Likewise.
16050 (emit_reload_insns): Likewise.
16051 (reload_cse_regs_1): Likewise.
16052 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16053 (reload_combine): Adjust calls to note_stores.
16054 * resource.c (update_live_status): Take additional paramter.
16055 (mark_target_live_regs): Adjust calls to note_stores.
16056 * stupid.c (find_clobbered_regs): Take additional parameter.
16057 (stupid_life_analysis): Adjust calls to note_stores.
16059 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16061 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16064 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16067 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16068 of the variable arm_structure_size_boundary.
16070 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16072 * alias.c (init_alias_analysis): Allocate reg_known_value and
16073 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16075 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16076 * cse.c (cse_main): Call end_alias_analysis.
16077 * haifa-sched.c (schedule_insns): Likewise.
16078 * local-alloc. (update_equiv_regs): Likewise.
16079 * reload1.c (reload_cse_regs): Likewise.
16081 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16083 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16084 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16085 mapping from MASK_FPU.
16087 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16089 * sparc.md (call): Don't bound structure return size to 0xfff.
16091 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16093 * resource.c (mark_target_live_regs): Check that the target
16094 insn wasn't created after compute_bb_for_insn.
16096 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16098 * ggc-page.c (poison_pages): Don't be overzealous.
16100 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16102 * alias.c: Update comments for ADDRESS.
16103 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16104 it is a local memory reference.
16106 * c-typeck.c (build_function_call): Check that the built-in
16107 function is of class BUILT_IN_NORMAL before trying to recongize
16108 it as BUILT_IN_ABS.
16109 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16110 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16112 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16114 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16116 (pre_gcse): Likewise.
16117 (hoist_expr_reaches_here_p): Likewise.
16118 (hoist_code): Likewise.
16119 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16121 (pre_expr_reaches_here_p_work): ... here.
16122 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16124 (expr_reaches_here_p_work): ... here.
16126 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16128 * resource.c (find_basic_block): Delete.
16129 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16130 (init_resource_info): Call compute_bb_for_insn.
16132 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16134 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16135 with already adjacent blocks, but no fallthru.
16136 (merge_blocks_move_successor_nojumps): Simplify.
16137 (debug_flow_info): New.
16139 * toplev.c (rest_of_compilation): Open jump1 dump file before
16140 jump and close after, as opposed to just using dump_rtl.
16142 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16144 * reload.h (earlyclobber_operand_p): Declare.
16145 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16146 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16147 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16148 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16150 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16151 Richard Henderson <rth@cygnus.com>
16153 * emit-rtl.c (emit_block_insn_before): New.
16154 (emit_block_insn_after): New.
16155 * basic-block.h: Declare them.
16157 * bitmap.h: Protect from multiple inclusion.
16159 * recog.c (scratch_operand): Handle VOIDmode correctly.
16161 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16163 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16164 * function.c (assign_parms): Likewise.
16165 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16167 * reg-stack.c (max_uid): Remove.
16168 (blocks, block_begin, block_end, block_drops_in): Remove.
16169 (block_stack_in, block_out_reg_set, block_number): Remove.
16170 (struct block_info_def, BLOCK_INFO): New.
16171 (enum emit_where): New.
16172 (current_block): New.
16173 (BLOCK_NUM): Remove.
16174 (mark_regs_pat, record_label_references): Remove.
16175 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16177 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16178 (reg_to_stack): Simplified test for existance of fp code. Use
16179 flow.c code. Call shorten_branches after cross-jump opt.
16180 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16181 Return false if the asm doesn't use stack regs. Don't do life
16182 analysis on the asm.
16183 (emit_pop_insn): Replace function pointer arg `when' with
16184 enum `where'. Update all callers.
16185 (change_stack): Likewise. Update basic block end.
16186 (emit_swap_insn): Use current_block->head to limit reverse search
16187 for start of block. Use emit_block_insn_after.
16188 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16189 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16190 structure assignment instead of bcopy.
16191 (print_stack): New.
16192 (convert_regs_entry, convert_regs_exit): New.
16193 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16194 Work on basic blocks and the CFG.
16195 (convert_regs): Use them.
16197 * i386.c (output_fix_trunc): Remove code for DImode input operand
16198 not at top-of-stack.
16199 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16201 (fix_truncdi_1): Allow any mode scratch.
16203 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16205 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16206 * linux.h, netbsd.h, vms.h: Not here.
16208 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16210 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16211 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16212 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16213 CONDITIONAL_REGISTER_USEAGE): Use them.
16214 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16215 gen_conditional_branch,override_options) : Use them.
16216 * config/mips/mips.md : Use them.
16218 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16220 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16222 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16224 * integrate.c (function_cannot_inline_p): Don't allow inlining
16227 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16229 * c-parse.in (cast_expr): Constify.
16231 * cccp.c (special_symbol): Likewise.
16233 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16235 * dwarf2out.c (base_type_die): Likewise.
16237 * global.c (allocno_compare): Likewise.
16239 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16241 * regclass.c (fix_register): Likewise.
16243 * rtl.h (fix_register): Likewise.
16245 * stupid.c (stupid_reg_compare): Likewise.
16247 * toplev.c (decode_f_option): Likewise.
16249 * tree.c (build_complex_type): Likewise.
16251 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16253 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16255 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16257 * reload.c (find_reloads): Compute mode and nregs fields of all
16259 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16260 (calculate_needs): Use precomputed mode/nregs values.
16261 (allocate_reload_reg): Likewise.
16263 (failed_reload, set_reload_reg): ... new functions.
16264 (choose_reload_regs_init): New function, mostly broken out from...
16265 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16266 Also lose one #if 0 block.
16268 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16270 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16273 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16275 * tree.h (BLOCK_TYPE_TAGS): Remove.
16276 (BLOCK_END_NOTE): Likewise.
16277 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16278 (BLOCK_LIVE_RANGE_START): Likewise.
16279 (BLOCK_LIVE_RANGE_END): Likewise.
16280 (tree_block): Remove live_range_flag, live_range_var_flag, and
16281 type_tags. Remove end_note, live_range_start, and live_range_end.
16282 (remember_end_note): Remove prototype.
16283 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16284 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16286 * ggc-common.c (ggc_mark_tree_children): Don't mark
16287 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16288 * integrate.c (adjust_copied_decl_tree): Remove.
16289 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16290 * stmt.c (last_block_end_note): Remove.
16291 (init_stmt): Don't add a GC root for it.
16292 (expand_fixup): Don't set it.
16293 (remember_end_note): Remove.
16294 (expand_end_bindings): Don't set last_block_end_note.
16296 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16298 * reload1.c (reload_reg_free_for_value_p): Show
16299 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16302 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16304 * expmed.c (extract_bit_field): Allow for the case of non-integer
16305 objects that are smaller than a word (like SFmode on a 64-bit
16308 * loop.c (basic_induction_var): A non-integer variable which is
16309 being set by a paradoxical subreg is probably not a biv.
16311 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16313 * prefix.c (translate_name) Check for empty prefix string.
16315 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16317 * Makefile.in (CPP_CROSS_NAME): New variable.
16318 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16320 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16321 names of the files to be uninstalled.
16323 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16325 * collect2.c (IS_DIR_SEPARATOR): Define.
16326 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16328 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16331 * haifa-sched.c (add_dependence): Update the true dependency
16332 cache the first time we add a true dependence to the LOG_LINKS chain.
16334 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16336 * fold-const.c (fold): Fix comment.
16338 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16340 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16341 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16342 dbxout_start_new_source_file, dbxout_source_file,
16343 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16344 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16346 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16347 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16348 (dbxout_block): Initialize variable `blocknum'.
16350 * dbxout.h (dbxout_init, dbxout_finish,
16351 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16352 dbxout_args, dbxout_source_line): Constify a char*.
16354 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16355 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16356 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16357 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16358 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16359 src_info_attribute, mac_info_attribute, producer_attribute,
16360 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16361 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16362 dwarfout_undef): Constify a char*.
16363 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16365 * dwarfout.h (dwarfout_define, dwarfout_undef,
16366 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16368 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16370 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16371 (MULTILIB_ISA_DEFAULT): New.
16372 (MULTILIB_DEFAULTS): Use it.
16373 * config/mips/mips.c (): Remove the now unnecessary definition
16374 of MIPS_ISA_DEFAULT.
16375 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16376 unnecessary definition.
16378 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16380 * arm.md (pic_load_addr): Add constraints to operand 1.
16382 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16384 * fixinc/genfixes: Provide a means for specifying -D options to
16387 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16389 * arm.c (arm_override_options): Correct initialization of
16390 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16391 arm_is_strong, and arm_is_6_or_7.
16393 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16394 (note_set_pseudo_multiple_uses): New function.
16395 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16396 if a pseudo set in the loop exit is used elsewhere.
16398 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16400 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16402 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16404 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16405 a single load-address pattern.
16407 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16409 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16410 depending on whether or not line-number notes are present.
16412 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16414 * cccp.c (progname, file_buf, default_include, include_file,
16415 macrodef, definition, hashval, wchar_type, user_label_prefix,
16416 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16417 expand_to_temp_buffer, is_system_include, base_name,
16418 absolute_filename, read_name_map, open_include_file,
16419 record_control_macro, check_precompiled, check_preconditions,
16420 pcfinclude, pass_thru_directive, create_definition,
16421 check_macro_name, comp_def_part, collect_expansion,
16422 check_assertion, read_token_list, assertion_install,
16423 assertion_lookup, eval_if_expression, conditional_skip,
16424 validate_else, skip_quoted_string, quote_string, macarg1,
16425 error_from_errno, install, lookup, hashf, dump_defn_1,
16426 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16427 check_white_space, rescan, handle_directive, monthnames,
16428 special_symbol, do_include, remap_include_file, write_output,
16429 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16430 do_ident, do_sccs, do_xifdef, skip_if_group,
16431 output_line_directive, macroexpand, macarg, change_newlines,
16432 initialize_builtins, make_definition): Constify a char*.
16434 * pcp.h (stringdef): Likewise.
16436 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16438 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16441 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16442 Richard Henderson <rth@cygnus.com>
16444 * alias.c: Include ggc.h.
16445 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16446 (record_set): Verify enough room in reg_base_value.
16447 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16448 Register it as a GC root.
16449 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16450 * Makefile.in (alias.o): Depend on ggc.h.
16452 * unroll.c (unroll_loop): Verify the insn before a barrier
16453 is a JUMP_INSN before checking JUMP_LABEL.
16455 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16457 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16458 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16459 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16460 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16461 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16462 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16464 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16466 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16468 * alpha/alpha-interix.h (text_section): Delete prototype.
16469 * alpha/elf.h (text_section): Likewise.
16470 * arm/linux-elf.h (text_section): Likewise.
16471 * arm/linux-telf.h (text_section): Likewise.
16472 * c4x/c4x.h (text_section): Likewise.
16473 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16474 * elfos.h (text_section): Likewise.
16475 * i386/aix386ng.h (text_section): Likewise.
16476 * i386/i386-interix.h (text_section): Likewise.
16477 * i386/sco5.h (text_section): Likewise.
16478 * i386/svr3gas.h (text_section): Likewise.
16479 * nextstep.h (text_section): Likewise.
16480 * psos.h (text_section): Likewise.
16481 * ptx4.h (text_section): Likewise.
16482 * svr3.h (text_section): Likewise.
16483 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16485 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16487 * final.c (peephole): Delete prototype.
16489 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16490 (pre_insert_copies): Remove unused variable `bb'.
16492 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16495 * output.h (peephole): Add prototype.
16497 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16499 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16502 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16504 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16505 for inlined declarations.
16507 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16509 * arm.c (logical_binary_operator): New fucntion.
16510 * arm.h (logical_binary_operator): Declare it.
16511 (PREDICATE_CODES): Handle logical_binary_operator.
16512 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16513 output constraints. Add appropriate splitters.
16514 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16515 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16516 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16518 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16520 * genoutput.c (struct operand_data): New elt eliminable.
16521 (output_operand_data): Write it.
16522 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16523 (compare_operands): Take it into account.
16524 * recog.h (struct insn_operand_data): New elt eliminable.
16525 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16527 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16528 (eliminate_regs): Move code that detects changes to elimination
16529 target regs into new function elimination_effects.
16530 Delete one #if 0 block.
16531 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16532 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16533 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16534 Only call eliminate_regs for real operands of the insn, not for parts
16535 of its structure or parts matched by things like match_operator.
16536 Use elimination_effects and check_eliminable_occurrences. Use
16537 copy_insn to duplicate the pattern when not in the final pass.
16539 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16541 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16544 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16546 * fixinc/README: document the "mach" machine matching test
16547 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16548 * fixinc/fixtests.c: Implement the #else/#endif label test
16549 * fixinc/inclhack.def: utilize these tests and fixes
16550 * fixinc/inclhack.sh: regen
16551 * fixinc/fixincl.x: regen
16552 * fixinc/fixincl.sh: regen
16554 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16556 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16559 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16561 * gcc.1: Document exit codes.
16563 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16565 * calls.c: Include tm_p.h later, so everything we need is defined.
16566 * expr.c: Likewise.
16567 * function.c: Likewise.
16569 * except.c: Include tm_p.h.
16571 * sparc.c: Likewise.
16572 (dwarf2out_cfi_label): Don't prototype.
16573 (check_return_regs, epilogue_renumber,
16574 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16575 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16576 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16577 ultra_schedule_insn): Add static prototype.
16578 (data_segment_operand, text_segment_operand): Call itself with the
16579 proper number of arguments.
16580 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16582 * sparc.h: Move all declarations to sparc-protos.h.
16583 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16586 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16588 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16590 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16591 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16592 ASM_OUTPUT_ASCII): Constify a char*.
16594 * sparc-protos.h: New file for sparc prototypes.
16596 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16598 * function.c (record_insns, contains): Always declare and define.
16599 (record_insns): Mark with ATTRIBUTE_UNUSED.
16601 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16603 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16604 to .section when outputting a .bss section to deal with multiple
16605 .bss input sections (as happens with -fdata-sections)
16606 Also output %progbits, not @progbits so the assembler doesn't treat as
16608 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16610 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16611 thumb parts even when building with non-thumb CPUs, by forcing
16614 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16616 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16617 (movdf_const_intreg_sp64): Similarly.
16619 * local-alloc.c (update_equiv_regs): Check the correct insn
16620 for pre-existing REG_EQUIV notes.
16622 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16624 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16625 block reached by a branch if we're not going to actually process
16628 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16630 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16631 a local extern function declaration.
16633 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16635 * i386.c (ix86_expand_prologue): Properly wrap USE around
16636 reg for CALL_INSN_FUNCTION_USAGE.
16638 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16640 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16641 move between GP_REGs.
16643 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16645 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16646 the mode size when finding out if an offset is legal.
16648 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16650 * basic-block.h (PROP_*): Move constants from ...
16651 * flow.c: ... here.
16652 (compute_bb_for_insn): Free the array before reallocating.
16653 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16654 (allocate_reg_life_data): Reset all reg variables collected by
16656 (get_block_head_tail): Don't convert from bb to block.
16657 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16658 (find_insn_reg_weight): Take block not bb.
16659 (schedule_block): Don't set block num for moved insns.
16660 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16661 (schedule_insns): Do it here instead.
16662 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16663 before update_life_info.
16664 * recog.c (split_all_insns, peephole2_optimize): Update for
16665 new arg to update_life_info.
16666 * rtlanal.c (remove_note): Cope with NULL note.
16667 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16670 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16672 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16674 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16675 block records so that merge_blocks_nomove will clean up correctly.
16676 (split_edge): Handle casesi insns.
16678 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16680 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16682 * pa.md (call, call_value): Do not emit a blockage after restoring
16685 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16687 * c-typeck.c (c_expand_asm_operands): Fix typo.
16689 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16691 * arm.c (fpu_rhs_operand): Verify modes.
16692 (fpu_add_operand): Likewise.
16693 (di_operand): Likewise.
16694 (soft_df_operand): Likewise.
16696 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16698 * arm.c (arm_return_in_memory): APCS rules state that the elements
16699 of a structure returned in a register must be 'integer-like'.
16701 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16703 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16704 in the source tree when the generated targets are out of date
16705 * fixinc/genfixes: Alter it to run individual fixes for make.
16706 * fixinc/README: rewrite
16707 * fixinc/inclhack.def: moved initial comments to README
16709 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16711 * toplev.c (main): Do not generate an error message if an
16712 unrecognised command line switch is recognisable by another
16713 language. If extra_warnings are enabled, then generate a
16714 warning message instead.
16716 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16718 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16719 (insert_pack_attributes): Delete prototype.
16721 * c-pragma.c (default_alignment): New static variable.
16722 (push_alignment): Initialize to current effective alignment.
16723 (pop_alignment): Use to set new alignment.
16724 (insert_pack_attributes): Delete function.
16725 (handle_pragma_token): Set default_alignment as well each time
16726 a #pragma pack(<n>) is encountered.
16728 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16730 * reg-stack.c (stack_result): Aggregates are not returned in
16733 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16735 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16737 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16739 * basic-block.h (set_block_num): Declare.
16740 * flow.c (update_life_info): Don't call compute_bb_for_insn
16741 or free_basic_block_vars.
16742 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16743 (insn_orig_block): Remove.
16744 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16745 (schedule_block): Keep BLOCK_NUM up-to-date.
16746 (schedule_insns): Use compute_bb_for_insn.
16747 * recog.c (split_all_insns): Likewise.
16748 (peephole2_optimize): Likewise.
16750 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16752 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16753 if the pic register is used.
16755 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16757 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16758 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16759 if that tests TREE_PERMANENT.
16761 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16763 * cse.c (invalidate_for_call): Do not remove memory references from
16764 the table here. It's handled elsewhere.
16766 * haifa-sched.c (add_dependence): Protect references to the
16767 true dependency cache with #ifdef INSN_SCHEDULING.
16768 (remove_dependence): Similarly.
16770 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16771 to the cfg code that this is a return instruction.
16772 * mn10300.md (return_internal): Similarly.
16774 * combine.c (get_last_value): If the last set of a register
16775 is after subst_low_cuid, then we can not use it to determine
16776 the register's last value.
16778 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16780 * Makefile.in: Back out previous change.
16782 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16784 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16786 * haifa-sched.c (add_dependence): Only check/update the cache
16788 (remove_dependence): Likewise.
16789 (schedule_insns): Only create the true_dependency_cache if the
16790 average number of instructions in a basic block is very large.
16792 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16794 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16795 (ggc-simple.o): Likewise.
16796 (ggc-page.o): Likewise.
16798 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16800 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16801 Prototype for exported functions.
16802 (pre_lcm, pre_rev_lcm): Remove prototypes.
16803 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16804 (compute_available): Move to lcm.c, and change parameter order.
16805 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16806 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16807 (gcse_main): No longer call compute_preds_succs. Rebuild the
16808 set table after reach pre pass.
16809 (pre_insert_map, pre_delete_map, edge_list): New.
16810 (alloc_pre_mem): Allocate edge vectors.
16811 (free_pre_mem): Delete edge vectors.
16812 (compute_pre_data): Call new edge based lcm routines.
16813 (process_insert_insn): New function.
16814 (insert_insn_end_bb): Use it.
16815 (pre_edge_insert): New function.
16816 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16818 (pre_insert_copies): Revamp using new edge based lcm outputs.
16819 (pre_delete): Likewise.
16820 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16822 (compute_code_hoist_vbeinout): New new edge based routines.
16823 * lcm.c: Remove all the old LCM functions. Replace with new ones
16824 that work with the new cfg datastructures and work with edges
16827 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16829 * reload.h (struct reload): Add new fields "mode" and "nregs".
16830 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16831 to reference the "mode" and "nregs" field within struct reload.
16833 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16835 * haifa-sched.c (true_dependency_cache): New.
16836 (add_dependence): Use the true dependency cache to avoid expensive
16837 walks down the LOG_LINKS dependency list. Add entries to the
16838 cache as necessary.
16839 (remove_dependence): Remove entries from the true dependency cache
16841 (schedule_insns): Allocate and initialize and free the true
16844 * haifa-sched.c (schedule_insns): Do not remove inter-block
16845 dependencies anymore.
16847 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16849 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16850 * i386/t-winnt: Likewise.
16852 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16854 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16856 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16858 * Makefile.in (LANGUAGES): Omit "proto".
16859 (clean): Remove stale comment about removing unprotoize.c.
16861 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16863 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16864 using arithmetic on void pointers.
16866 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16868 * haifa-sched.c (compute_block_forward_dependencies): Only check
16869 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16871 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16873 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16874 (expr_equiv_p): Reject memories with different alias sets.
16876 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16878 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16879 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16880 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16881 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16882 (lang_init): Set default for flag_bounds_check if still "unspecified".
16884 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16886 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16888 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16890 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16893 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16895 * config/c4x/c4x.md (*db_noclobber,
16896 *decrement_and_branch_until_zero_noclobber): New patterns and
16897 associated splitters.
16899 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16901 * config/c4x/c4x.md (parallel instruction patterns): Rework
16902 constraints to keep reload happy.
16904 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16906 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16907 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16908 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16909 Add new patterns and associated post-reload splitters.
16911 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16913 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16915 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16917 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16919 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16921 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16923 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16926 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16928 * pa.c (move_operand): Rely on memory_address_p to determine the
16929 validity of non-indexed memory addresses.
16930 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16931 operand in DFmode and SFmode when generating PA2.0 code.
16933 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16935 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16937 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16939 * mips.c (function_prologue): Fix argument types.
16940 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16941 (casesi_internal): Write to the scratch register.
16943 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16945 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16947 (parse_charconst): Delete unnecessary cast when calling
16949 (cpplib.h): Kill prototype of cpp_parse_escape.
16951 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16953 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16954 * unroll.c (unroll_loop): Cast return value of alloca.
16955 * i370/i370.c: Include function.h and toplev.h.
16956 (i370_label_scan): Remove c++ commented abort.
16957 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16958 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16959 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16960 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16962 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16964 * config/t-freebsd: Do not override USER_H.
16965 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16967 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16968 Mumit Khan <khan@xraylith.wisc.edu>
16970 * c-parse.in (component_decl): Support anonymous struct/union.
16972 * c-parse.y: Regenerate.
16973 * c-parse.c: Likewise.
16974 * objc/objc-parse.y: Likewise.
16975 * objc/objc-parse.c: Likewise.
16976 * c-decl.c (finish_struct): Don't sort the fields.
16977 (field_decl_cmp): Delete unused function.
16979 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16981 * sparc.md (movsf_const_intreg): Revert last constraint change.
16982 (movdf_const_intreg_sp32): Likewise.
16984 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16986 * cse.c: Include hashtab.h instead of splay-tree.h
16987 (struct cse_reg_info): No longer use variant union. Add new
16988 field "regno". All references changed to avoid union.
16989 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16990 (free_cse_reg_info): Remove.
16991 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16992 (get_cse_reg_info): Revamp to use expandable hash tables instead
16993 of splay trees. Initialize new fields in cse_reg_info structure.
16994 (new_basic_block): Similarly.
16996 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16998 * genrecog.c (message_with_line): Prototype.
16999 (validate_pattern): Pass along the set for the dest, not a flag.
17000 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17001 Check for PC/CC0 as sources.
17002 (nodes_identical): Check for children position match before
17003 allowing the combination.
17005 * rtl.c (read_rtx): Track line number across \\\n.
17007 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17009 * mips.h (SPECIAL_MODE_PREDICATES): New.
17010 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17011 (movdi+1, movsi+1): Add output reload constraint.
17012 (casesi_internal): Likewise. Fix commentary.
17013 (return_internal): Use pmode_register_operand.
17015 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17017 * 1750a.md (movstrqi): Add missing output reload constraint.
17018 (call_value): Likewise.
17019 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17020 (jmpfdec): Add missing inout reload constraint.
17021 * elxsi.md (addsi patterns): Add missing output reload constraint.
17022 (move from sp): Use @ alternates.
17023 (call_value): No constraint on output.
17024 * fr30.md (movsi_pop): Add missing output reload constraint.
17025 (movsf_constant_store): Likewise.
17026 (splits): Remove constraints.
17027 (subsi3): Add missing mode.
17028 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17029 (call_value): Likewise.
17030 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17031 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17032 * m32r.md (movsicc_internal): Add output reload constraint.
17033 (movstrsi_internal): Add inout reload constraints.
17034 * m88k.h (reg_names): Don't declare.
17035 (SPECIAL_MODE_PREDICATES): New.
17036 * m88k.md (*): Use register_operand not reg_or_0_operand
17038 * mn10200.h (PREDICATE_CODES): New.
17039 * ns32k.md (ffs pattern): Add output reload constraint.
17040 * pdp11.md (sob pattern): Add inout reload constraint.
17041 * sh.md (splits): Remove constraints.
17042 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17043 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17044 * vax.md (jgequ pattern): Add inout reload constraint.
17046 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17048 * configure.in (djgpp): Revert previous patch.
17049 * configure: Rebuit.
17050 * config/i386/djgpp.h: Revert previous patch.
17052 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17054 * fixinc/inclhack.def: Restore patch lost during last merge of
17055 "no_bogosity" branch.
17056 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17058 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17060 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17061 * fixinc/inclhack.def: Same.
17062 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17064 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17066 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17067 as the base of a PLUS.
17069 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17071 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17072 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17074 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17076 * pa.md (post_stw+1): Use pmode_register_operand.
17077 (dcacheflush, icacheflush): Likewise.
17079 * i386.md (movstricthi_1): Allow r/r.
17081 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17083 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17084 to (not (and (arg0) (arg1))). Similary for and.
17086 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17087 fallthrough to associate code.
17088 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17091 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17092 no bits in common; remove XOR to ROTATE conversion.
17094 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17096 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17098 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17100 * config/c4x/c4x.c (dst_operand): New.
17101 (PREDICATE_CODES): Update.
17102 * config/c4x/c4x.h (dst_operand): Declare it.
17103 * config/c4x/c4x.md: Define mode for each unspec usage.
17104 (move patterns): Use dst_operand predicate instead of src_operand.
17105 (movqi_update, movqf_update): Delete.
17107 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17109 * recog.c (pmode_register_operand): New.
17110 * recog.h: Declare it.
17111 * genrecog.c (pred_codes): Likewise.
17112 (special_mode_pred_table): Likewise.
17113 (validate_pattern): Don't warn no mode for address_operand.
17115 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17116 if the operand is not insn-like.
17118 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17119 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17121 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17123 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17125 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17126 instead of general_operand in a SET_DEST. Use const_double_operand
17127 instead of an explicit test against CONST_DOUBLE.
17128 (movsf_const_lo): Add missing register mode.
17129 (goto_handler_and_restore): Add auxiliary test for Pmode.
17130 (flush): Adjust to use address_operand.
17131 (return_sf_no_fpu): Add missing output constraint.
17133 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17135 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17136 for call return value.
17137 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17139 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17141 * toplev.c (main): Only warn about options for other languages.
17142 * collect2.c (main): Pass -w to sub-gcc.
17144 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17146 * flow.c (propagate_block): Add call-clobbered registers to
17149 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17150 zapping mem_set_list.
17151 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17152 (mark_set_1, mark_used_regs): Likewise.
17154 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17156 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17158 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17160 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17161 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17162 options. Also add a new item "C-only Warning Options" to the
17165 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17167 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17168 from multiple calls.
17170 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17172 * i386.md (call value patterns): Move to the end of the file.
17173 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17175 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17177 * configure.in (djgpp configuration): Define extra_objects..
17178 * configure: Rebuilt.
17179 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17180 (DTORS_SECTION_ASM_OP): Define.
17181 (INIT_SECTION_ASM_OP): Define.
17182 (FINI_SECTION_ASM_OP): Define.
17183 (DATA_SECTION_ASM_OP): Define.
17184 (TEXT_SECTION_ASM_OP): Define.
17185 (EH_FRAME_SECTION_ASM_OP): Define.
17186 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17187 (STARTFILE_SPEC): Add crtbegin.o.
17188 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17189 to here from LINK_COMMAND_SPEC.
17190 (DO_GLOBAL_CTORS_BODY): Define.
17191 (CRTSTUFF_USE_FINI_SECTION): Define
17192 (HAS_INIT_SECTION): Delete.
17194 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17196 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17198 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17200 * pa.h (PREDICATE_CODES): New.
17202 * genrecog.c (validate_pattern): Condense the destination
17203 non-lvalue message.
17205 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17207 * alpha.md (call-1): Supply missing mode for operator.
17208 (*): Add missing output reload constraints. Remove constraints
17209 from define_splits.
17211 * i386.h (SPECIAL_MODE_PREDICATES): New.
17212 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17213 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17214 (addsi_lea_3): Add missing mode for op 3.
17215 (prologue_set_got, prologue_get_pc): Add missing modes.
17216 (*) Add missing output reload constraints.
17218 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17220 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17221 check for member bit-size overflow and use var_size if it occurs.
17222 (layout_record): Use bitsize_int() to define the type size in bits.
17223 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17224 (layout_decl): Likewise when assigning to DECL_SIZE.
17226 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17228 * genrecog.c (validate_pattern): Typo last change. Verify
17229 that output operands have output reloads.
17231 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17233 * genrecog.c (special_mode_pred_table): New.
17234 (NUM_SPECIAL_MODE_PREDS): New.
17235 (find_operand): New.
17236 (validate_pattern): New argument `insn'. Warn for assignment to
17237 any predicate accepting non-lvalues. Conditionaly warn for
17238 match_operand without a mode. Try much harder to match source
17239 and destination modes on a set.
17240 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17242 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17244 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17246 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17248 * combine.c (simplify_logical): Recognize xor pattern that encodes
17251 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17253 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17256 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17258 * ggc-page.c (MAP_FAILED): Provide default.
17260 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17262 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17263 * sparc.h (PREDICATE_CODES): Update.
17265 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17267 * alpha.c (some_ni_operand): New.
17268 * alpha-protos.h: Declare it.
17269 * alpha.h (PREDICATE_CODES): Update.
17270 * alpha.md (sXaddq reload insns): Use some_ni_operand
17271 for SET_DEST instead of some_operand.
17273 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17274 Jim Wilson <wilson@cygnus.com>
17276 * genrecog.c (maybe_both_true_2): Don't compare modes of
17278 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17279 after find_afterward.
17280 (debug_decision_1): Dump next and afterward codes.
17282 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17284 * rtl.c (dump_and_abort): Remove.
17285 (fatal_with_file_and_line): New.
17286 (fatal_expected_char): New.
17287 (read_rtx_lineno, read_rtx_filename): New.
17288 (read_skip_spaces): Track line number.
17289 (read_name): Use fatal_with_file_and_line.
17290 (read_rtx): Use fatal_expected_char. Track line number.
17291 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17293 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17294 if it isn't a CODE_LABEL.
17296 * genattr.c (main): Set read_rtx_filename.
17297 * genattrtab.c (main): Likewise.
17298 * gencodes.c (main): Likewise.
17299 * genconfig.c (main): Likewise.
17300 * genemit.c (main): Likewise.
17301 * genextract.c (main): Likewise.
17302 * genflags.c (main): Likewise.
17303 * genopinit.c (main): Likewise.
17304 * genoutput.c (main): Likewise.
17305 * genpeep.c (main): Likewise.
17307 * genrecog.c (decision_test.u.insn): Add `lineno'.
17308 (pattern_lineno, error_count): New variables.
17309 (message_with_line): New.
17310 (add_to_sequence): Break out checking code to ...
17311 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17312 (merge_insn): Use message_with_line.
17313 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17314 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17316 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17318 * expr.c (store_constructor): Clear union if constructor is empty.
17320 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17322 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17323 Add !endian checks. Change %{...} to %(...).
17325 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17327 * i386.md (*addsi3_cc): Renamed from addcsi3.
17328 (*addsi3_carry): Renamed from addxsi3.
17329 (*subsi3_cc): Renamed from subcsi3.
17330 (*subsi3_carry): Renamed from subxsi3.
17331 (*xorqi_cc_1): Renamed from xorcqi_1.
17332 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17333 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17335 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17337 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17338 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17340 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17342 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17343 climb up the chain of insns.
17345 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17347 * genrecog.c (write_subroutine): Careful for null trees.
17348 (process_tree): Don't elide empty functions.
17350 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17352 * Makefile.in (genrtl.o): Depend on ggc.h.
17353 * configure.in (valloc): Probe for it.
17354 (with-gc): Use ggc-page if valloc present.
17355 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17356 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17357 (ggc_alloc_string): Moved from ggc-page.c.
17358 * ggc-none.c (ggc_alloc_obj): New.
17359 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17360 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17361 (struct globals): Likewise for dev_zero_fd.
17362 (init_ggc): Likewise for it's initialization.
17363 (ggc_allocated_p): Move careful dereference from ...
17364 (ggc_lookup_page_table): ... here. Delete.
17365 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17366 (alloc_anon): Use valloc if no mmap.
17367 (release_pages): Use free if using valloc.
17368 (ggc_alloc_obj): Renamed from alloc_obj.
17369 (ggc_set_mark): Renamed from mark_obj.
17370 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17371 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17372 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17373 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17374 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17375 (ggc_collect): Use fp printing instead of our own rounding.
17376 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17377 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17378 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17379 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17380 (struct ggc_string, struct ggc_any): Delete.
17381 (offsetof): Provide default definition.
17382 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17384 (struct ggc_mem): New, from corpse of ggc_any.
17385 (struct ggc_status): Delete.
17386 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17387 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17388 (n_strings_collected, n_anys_collected): Delete.
17389 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17390 (ggc_alloc_string, ggc_alloc): Delete.
17391 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17392 (ggc_free_string, ggc_free_any): Delete.
17393 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17394 (ggc_compare_addresses, ggc_mark_string): Delete.
17395 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17396 (search_data): Delete.
17397 (struct globals): New.
17398 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17399 (tree_insert, tree_lookup): New.
17400 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17401 (clear_marks, sweep_objs): New.
17402 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17403 (init_ggc): Set allocated_last_gc.
17404 (ggc_push_context): Gut. Use G.context.
17405 (ggc_pop_context): Likewise.
17406 (ggc_pop_context_1): New.
17407 (debug_ggc_tree): New.
17408 (debug_ggc_balance, tally_leaves): New.
17409 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17410 (ggc_mark_string_if_gcable): Remove decl.
17411 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17412 (ggc_mark_rtvec_children): New.
17413 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17414 (ggc_mark_if_gcable): New decl.
17415 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17416 (ggc_alloc_tree, ggc_alloc): Likewise.
17417 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17418 (ggc_alloc_obj): New decl.
17419 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17420 (ggc_alloc_tree, ggc_alloc): Likewise.
17421 (ggc_set_mark): New decl.
17422 * rtl.h (struct rtx_def): Remove gc_mark.
17423 (struct rtvec_def): Likewise.
17424 * tree.h (struct tree_common): Likewise.
17426 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17428 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17429 float_format and thread_file definitions.
17430 * configure: Rebuilt.
17432 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17434 * extend.texi (Function Names): Document types of function names.
17436 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17438 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17439 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17441 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17443 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17445 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17447 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17449 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17451 * collect2.c (main): Do prelimnary link on AIX if rflag.
17453 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17455 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17456 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17458 (__do_global_dtors): similarly for __DTOR_LIST__.
17460 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17461 Diego Novillo <dnovillo@cygnus.com>
17463 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17466 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17468 * fixincl/*: Merged "no_bogosity" branch
17469 * fixincl/fixlib.h: protect against doubly defining t_bool
17470 * fixincl/server.h: protect against doubly defining t_bool
17472 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17474 * genoutput.c: Include toplev.h.
17476 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17478 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17480 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17481 * configure: Regenerate.
17483 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17485 * gcse.c (delete_null_pointer_checks): Returns void.
17487 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17489 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17490 * emit-rtl.c (copy_insn_1): Likewise.
17492 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17494 * config/mips/mips.c (mips_build_va_list): Correct
17495 TREE_CHAIN setting when hard-float.
17496 (mips_va_start): Use corrected setting.
17497 (mips_va_arg): Likewise. Also pass a tree to build of
17498 POSTINCREMENT_EXPR rather than a naked 'int'.
17500 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17502 * ggc.h (ggc_push_context): Fix comment.
17503 (ggc_pop_context): Likewise.
17504 (mark_string_if_gcable): Likewise.
17505 * ggc-common.c (ggc_mark_rtx_children): Use
17506 ggc_mark_string_if_gcable.
17507 * ggc-page.c (ggc_lookup_page_table): New function.
17508 (ggc_allocated_p): Likewise.
17509 (mark_obj): Fix formatting.
17510 (ggc_mark_string_if_gcable): New function.
17511 * ggc-simple.c (ggc_allocated_strings): New variable.
17512 (ggc_strings_used): Likewise.
17513 (ggc_compare_addresses): New function.
17514 (ggc_pop_context): Pop the `any' memory too.
17515 (ggc_mark_string_if_gcable): New function.
17516 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17518 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17520 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17521 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17522 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17525 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17527 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17528 (sched_reg_live_length, sched_reg_basic_block): Delete.
17529 (current_block_num, bb_live_regs, old_live_regs): Delete.
17530 (dead_notes, struct sometimes): Delete.
17531 (sched_note_set, birthing_insn_p): Delete.
17532 (adjust_priority): Gut useless reg lifetime code.
17533 (create_reg_dead_note, attach_deaths): Delete.
17534 (attach_deaths_insn, new_sometimes_live): Delete.
17535 (finish_sometimes_live): Delete.
17536 (find_pre_sched_live, find_post_sched_live): Delete.
17537 (update_reg_usage): Delete.
17538 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17539 (schedule_insns): Delete reg lifetime code.
17540 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17541 (unlink_other_notes): Adjust REG_NOTE commentary.
17542 (reemit_notes): Use REG_SAVE_NOTE.
17543 (schedule_block): Likewise.
17544 (schedule_region): Allocate bitmap of blocks in region. Use
17545 count_or_remove_death_notes. Use update_life_info.
17547 * rtl.h (REG_SAVE_NOTE): New.
17548 * rtl.c (reg_note_name): Update.
17550 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17552 * combine.c (refresh_blocks, need_refresh): New.
17553 (combine_instructions): Allocate refresh_blocks. Invoke
17554 update_life_info if needed.
17555 (distribute_notes): Mark refresh_blocks instead of installing
17557 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17558 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17560 * Makefile.in (recog.o): Depend on basic-block.h.
17562 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17564 * genrecog.c (add_to_sequence): Thinko last change: delete
17565 shadowing allow_const_int variable.
17567 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17569 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17570 __GNUC__ and __GNUC_MINOR__.
17572 * gansidecl.h: Likewise.
17578 * toplev.h: Likewise.
17580 * tree.c: Likewise.
17582 * tree.h: Likewise.
17584 * varray.c: Likewise.
17586 * varray.h: Likewise.
17588 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17590 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17591 use one before a jump table.
17593 * rtl.def (ADDRESS): Change documentation to match reality.
17594 * md.texi: Don't document it.
17595 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17598 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17600 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17602 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17603 known predicate block; default allow_const_int true.
17604 (debug_decision_list): New.
17606 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17608 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17610 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17612 * gcse.c (gcse_main): Avoid global optimizations if we have a
17613 large number of basic blocks and the ratio of edges to blocks
17615 (delete_null_pointer_checks): Likewise.
17617 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17619 * c-common.c (check_format_info): Warn if format string isn't a
17622 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17624 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17625 * configure: regenerate
17627 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17629 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17630 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17631 (peepholes): Re-enable.
17633 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17635 * Makefile.in (flow.o): Depend on TREE_H.
17636 * basic-block.h (REG_SET_EQUAL_P): New.
17637 (XOR_REG_SET): New.
17638 (n_edges): Declare.
17639 (free_regset_vector): Remove declaration.
17640 (flow_delete_insn_chain): Declare.
17641 (enum update_life_extent): New.
17642 (update_life_info, count_or_remove_death_notes): Declare.
17643 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17644 Verify register live at bb->global_live_at_start before adding USE.
17645 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17646 (CLEAN_ALLOCA): New.
17648 (PROP_*): New flags.
17649 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17650 (clear_edges): Zero n_edges.
17651 (make_edge): Increment n_edges.
17652 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17653 (flow_delete_insn_chain): Export.
17654 (delete_block): Decrement n_edges.
17655 (merge_blocks_nomove): Likewise.
17656 (life_analysis): Give life_analysis_1 PROP flags.
17657 (verify_wide_reg_1, verify_wide_reg): New.
17658 (verify_local_live_at_start): New.
17659 (update_life_info): Rewrite to call into propogate_block.
17661 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17662 always mark stack pointer. Conditionally mark PIC register.
17663 After reload, mark call-saved registers, return regsiters.
17664 (life_analysis_1): Accept PROP flags not remove_dead_code.
17665 Call mark_regs_live_at_end before zeroing regs_ever_live.
17666 Use calculate_global_regs_live. Copy global_live_at_end before
17667 calling final propagate_block. Zero reg_next_use on exit.
17668 (calculate_global_regs_live): New.
17669 (allocate_bb_life_data): Don't allocate bb->local_set.
17670 (init_regset_vector, free_regset_vector): Remove.
17671 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17672 Test flags before every operation. Warn if prologue/epilogue insn
17673 would have been deleted.
17674 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17675 Use alloc_EXPR_LIST.
17676 (mark_used_regs): Accept and use FLAGS, not FINAL.
17677 Remove special handling for RETURN.
17678 (try_pre_increment): Use alloc_EXPR_LIST.
17679 (dump_flow_info): Dump n_edges.
17680 (unlink_insn_chain, split_hard_reg_notes): Remove.
17681 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17682 (find_insn_with_note, new_insn_dead_notes): Remove.
17683 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17684 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17685 (replace_insns): Remove.
17686 (count_or_remove_death_notes): New.
17687 (verify_flow_info): Abort on error after all checks.
17688 (remove_edge): Decrement n_edges.
17689 (remove_fake_edges): Tweak format.
17690 * haifa-sched.c (schedule_insns): Use split_all_insns.
17691 * output.h (update_life_info): Remove declaration.
17692 * recog.c (split_all_insns): From the corpse of split_block_insns,
17693 do the whole function block by block. Use update_life_info.
17694 (recog_last_allowed_insn): New.
17695 (recog_next_insn): Mind it.
17696 (peephole2_optimize): Set it. Walk backwards through blocks.
17697 Use update_life_info.
17698 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17699 (split_all_insns): Declare.
17700 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17701 Use split_all_insns.
17703 * i386.md (or -1 peep2s): Disable.
17705 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17707 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17708 a single pattern. Scrap the 'd' versions as unnecessary.
17710 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17711 tablejump_mips162,tablejump_internal4): The operands to a
17712 label_ref must be VOIDmode.
17714 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17716 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17718 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17720 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17722 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17724 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17725 cache every function if ggc_p.
17727 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17729 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17730 instead of copy_rtx. Accept sequences that contain asm statements.
17731 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17732 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17733 orig_asm_operands_vector, copy_asm_operands_vector,
17734 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17736 * rtl.h (copy_insn, copy_insn_1): Declare.
17738 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17740 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17742 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17743 arguments to `current_file_function_operand'.
17745 * genrecog.c: Include hard-reg-set.h and resource.h in the
17746 generated output file.
17748 * real.c: Include tm_p.h.
17750 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17752 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17755 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17757 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17758 before the fctiwz insn.
17760 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17761 Mark Mitchell <mark@codesourcery.com>
17763 * tree.c (make_lang_type_fn): New funtion pointer.
17764 (make_lang_type): Call it.
17765 * tree.h (make_lang_type): Declare.
17766 (make_lang_type_fn): Likewise.
17767 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17769 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17771 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17772 make sure that HIGH instructions are copied into BASE_REGS.
17774 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17776 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17778 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17780 * c-decl.c (finish_struct): Use simpler method of
17781 removing elements of a singly-linked list.
17783 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17785 * alpha.md (peephole2's): Comment out peephole2's that generate
17788 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17790 * genrecog.c (add_to_sequence): Disable mode check for
17793 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17795 * ggc-simple.c (init_ggc): Set empty_string.
17797 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17799 * configure.in: Detect mmap. Add --with-gc=foo to select
17800 garbage collector; default to page if mmap available.
17801 * Makefile.in (GGC): Substitute.
17803 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17805 * c-decl.c (ggc_p): Enable.
17807 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17809 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17811 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17813 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17814 string for little-endian-data.
17816 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17818 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17819 case somebody tries to compile --enable-checking code with gcc
17822 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17824 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17827 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17829 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17830 * jump.c (jump_optimize_1): Document why.
17832 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17834 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17835 pointers and casts for `int_handler' and `quit_handler'.
17837 * flow.c (verify_flow_info, split_hard_reg_notes,
17838 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17839 remove_edge, remove_fake_successors): Add static prototypes.
17840 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17841 (mark_set_1): Initialize variable `regno'.
17842 (unlink_insn_chain): Likewise for variable `curr'.
17843 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17845 * loop.c (strength_reduce): Initialize variable
17846 `unrolled_insn_copies'.
17847 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17848 prototypes. Change these functions to take const PTR parameters
17849 to avoid prototype conflict when used as the comparson argument
17851 (check_dbra_loop): Initialize variable `comparison_val'.
17853 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17854 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17855 (find_valid_class): Initialize variable `best_class'.
17856 (find_reloads): Call memcpy, not bcopy.
17858 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17859 (hard_reg_use_compare): Don't needlessly cast away const.
17860 (reload_reg_class_lower): Likewise.
17861 (choose_reload_regs): Initialize variable `regno'.
17863 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17865 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17867 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17869 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17870 ({,d}discard): Add forward declarations. Declare parameter as
17872 (main_without_main): Explicitly declare return type to be int.
17873 (memcpy): Properly declare.
17875 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17876 building the trampoline support, declare malloc, free, and
17878 (__clear_cache): Mark arguments as potentially unused.
17880 * frame.c (toplevel): If inhibit_libc is defined, declare
17883 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17885 * flow.c (make_edge): Accept an optional 2D bitmap in which
17886 to cache edge existence. Update all callers.
17887 (make_label_edge, make_eh_edge): Pass through the edge cache.
17888 (make_edges): Provide the cache.
17890 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17892 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17894 (local_mbtowc): Change the type of variable `i' from int to size_t.
17896 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17897 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17899 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17901 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17902 after other includes that define the appropriate types. Include
17903 tm_p.h for getting user prototypes.
17904 * ggc-callbacks.c (toplevel): Ditto.
17905 * ggc-none.c (toplevel): Ditto.
17906 * gcc-page.c (toplevel): Ditto.
17907 * ggc-simple.c (toplevel): Ditto.
17909 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17910 Jonathan Larmour <jlarmour@cygnus.co.uk>
17912 * config/mips/mips.c (mips_move_2words): Split doubles if
17913 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17915 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17917 * genrecog.c (struct decision_test): New.
17918 (struct decision): Remove test-related members, sort the rest by size.
17919 (IS_SPLIT): Simplify.
17920 (new_decision, new_decision_test): New.
17921 (add_to_sequence): Use them. No special handling for args of
17923 (maybe_both_true): Renamed from not_both_true; return sense changed.
17924 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17925 of maybe_both_true and adjusted for decision_test.
17926 (position_merit): Remove.
17927 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17928 (merge_accept_insn): New, broken out of merge_trees.
17929 (merge_trees): Use them. No special case for c_test; no node
17930 splitting; use test type instead of position_merit.
17931 (factor_tests): New.
17932 (simplify_tests): New.
17933 (break_out_subroutines): Don't write code now.
17934 (find_afterward): New.
17935 (write_afterward, write_switch, write_cond): New.
17936 (write_action, is_unconditional): New.
17937 (write_node): New. Use them.
17938 (write_tree_1): Rewrite. Use the new functions above.
17939 (write_tree): Remove afterward processing.
17940 (write_subroutine): Simplify function variant emission.
17941 (write_subroutines): New.
17942 (same_codes, clear_codes): Remove.
17943 (same_modes, clear_modes): Remove.
17944 (write_header): New, broken out of main.
17945 (make_insn_sequence): Use new_decision and new_decision_test.
17946 (process_tree): New, broken out of main.
17947 (main): Adjust for merge_trees interface change.
17948 Don't #define operands in the output file.
17949 (record_insn_name): New, broken out of make_insn_sequence.
17950 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17951 (debug_decision): New.
17953 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17955 * resource.c (find_free_register): Mark class_str argument const.
17956 * resource.h: Update prototype to match.
17958 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17959 * i386.md: Give all anonymous insns names.
17961 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17963 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17966 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17968 * toplev.c (dbr_sched_time): Unconditional.
17969 (peephole2_time): New.
17970 (compile_file): Add pass numbers to all of the dump file suffixes.
17971 Dump peephole2_time. Don't dump times for non-applicable passes.
17972 (rest_of_compilation): Add pass numbers to dump file suffixes.
17973 Conditionalize calls to the scheduler.
17974 * invoke.texi: Update.
17976 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17978 * flow.c (make_edges): Fix insn iteration.
17979 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17980 (find_basic_blocks_1): Fix spelling mistake.
17982 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17984 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17985 always have side-effects. Use memset not bzero.
17986 (make_node): Likewise.
17988 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17990 * stmt.c (expand_anon_union_decl): When any of the elements of the
17991 union is addressable, so is the entire union.
17993 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17995 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17997 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17998 * bitmap.c (bitmap_operation): Return true iff TO changed.
17999 (bitmap_equal_p): New.
18000 (bitmap_bit_p): Tidy arithmetic.
18001 (debug_bitmap_file): Likewise.
18003 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18005 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18006 before cse2 instead of after.
18008 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18010 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18013 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18015 * cppinit.c (is_idchar initializer): Loosen tests to accept
18018 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18020 * mips.md: Define conditional move patterns for floating point
18021 operands and DI mode conditions.
18023 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18025 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18026 always have side-effects.
18028 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18030 * mn10200.c (asm_file_start): Fix typo.
18032 * cppinit.c (is_idchar initializer): Tighten tests for when
18033 to put the table into initialized memory.
18035 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18036 not an array of rtunion.
18037 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18038 * gcc-simple (ggc_free_rtvec): Similarly.
18040 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18043 * mbchar.h: Add missing #endif.
18045 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18046 (FPBIT, DPBIT): Define.
18048 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18050 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18052 * profile.c (instrument_arcs, output_gcov_string,
18053 tablejump_entry_p): Add static prototypes.
18054 (output_gcov_string): Constify a char*.
18056 * regmove.c (replacement_quality, fixup_match_2): Add static
18059 * resource.h (reg_dead_p): Add extern prototype.
18061 * rtl.c (trim_filename): Add static prototype.
18063 * scan-decls.c (skip_to_closing_brace): Likewise.
18065 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18066 (expand_end_case): Initialize variable `range'.
18067 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18069 * varasm.c (asm_emit_uninitialised): Add static prototype.
18070 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18073 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18075 * cpplib.c (if_directive_nameo): Add static prototype.
18077 * cse.c (cse_insn): Remove unused variable `p'.
18079 * except.c (create_rethrow_ref, push_entry,
18080 receive_exception_label, new_eh_region_entry, find_func_region,
18081 clear_function_eh_region, process_nestinfo): Add static prototypes.
18082 (get_reg_for_handler): Hide definition.
18083 (process_nestinfo): Initialize variable `extra_handlers'.
18085 * expr.h (expand_builtin_longjmp): Add extern prototype.
18087 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18089 * function.c (prepare_function_start): Likewise.
18090 (pop_function_context_from): Mark parameter `context' with
18092 (push_temp_slots_for_block, flush_addressof): Hide definition.
18094 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18095 solve_program_flow_graph, calculate_branch_probs,
18096 function_summary, main, fancy_abort): Add prototypes.
18098 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18099 (add_hash): Constify a char*.
18101 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18102 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18103 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18105 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18107 * lists.c (free_list, zap_lists): Likewise.
18109 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18111 * alias.c (nonlocal_reference_p): Add static prototype.
18113 * bitmap.c (bitmap_element_allocate): Prototype args in function
18116 * builtins.c (stabilize_va_list): Add static prototype.
18117 (expand_builtin_va_arg): Constify a char*.
18119 * c-lex.c (getch, put_back, extend_token_buffer_to,
18120 read_line_number, token_getch, token_put_back): Add static
18123 * c-parse.gperf (hash, is_reserved_word): Likewise.
18125 * cccp.c (is_dir_separator): Likewise.
18127 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18129 * graph.h: New file to prototype functions exported by graph.c.
18131 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18133 * graph.c: Include graph.h.
18135 * toplev.c: Likewise. Remove redundant prototypes.
18137 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18139 * invoke.texi: Removed duplicated description for -Q.
18141 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18143 * extend.texi: Grammar fix in __extension__ text.
18145 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18147 * md.texi (define_peephole2): New section.
18149 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18151 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18152 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18155 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18157 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18159 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18161 * i386.md (ffs expander): Emit Pentium friendly code for
18164 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18166 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18168 (build1): Likewise.
18170 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18172 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18174 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18176 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18177 register is in use.
18179 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18181 * md.texi (No Constraints): Delete section.
18182 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18183 * final.c (final_scan_insn): We always have register constraints.
18184 * genattrtab.c: Don't include "insn-config.h".
18185 (write_attr_case): We always have register constraints.
18186 * genconfig.c (register_constraint_flag): Delete.
18187 (walk_insn_part): Don't check whether we have register constraints.
18188 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18189 * genoutput.c (have_constraints): Delete.
18190 (main): Don't set it.
18191 (output_operand_data): We always have constraints.
18192 (scan_operands): Likewise.
18193 (compare_operands): Likewise.
18194 * local-alloc.c (block_alloc): We always have constraints.
18195 (requires_inout): Always compile this function.
18196 * recog.c (extract_insn): We always have constraints.
18197 (constrain_operands, reg_fits_class_p): Always compile these
18199 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18201 (struct insn_operand_data): Likewise.
18202 * regclass.c (regclass): We always have constraints.
18203 (record_reg_classes, copy_cost, record_address_regs,
18204 auto_inc_dec_reg_p): Always compile these functions.
18205 * regmove.c (regmove_optimize): We always have constraints.
18206 * reload.c (find_reloads): Likewise.
18207 * reload1.c (reload): Likewise.
18208 (reload_cse_simplify_operands): Likewise.
18209 * i860.c (output_delay_insn): Likewise.
18211 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18213 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18215 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18217 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18218 for the va_list record.
18220 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18222 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18225 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18227 * alias.c: Include insn-flags.h.
18228 * Makefile.in (alias.o): Update.
18230 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18232 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18233 to LTU and GEU. Handle more cases using sbb.
18235 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18237 * i386.md (truncatexfdf splitters): Do not use subreg.
18238 (fop XFmode patterns): Fix mode in operand testing.
18240 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18242 * jump.c (jump_optimize_1): Amend last change to test only the
18243 form of the operand, not the insn.
18245 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18246 not register_operand to determine when B may need preloading.
18248 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18250 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18251 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18252 (call-value patterns): Move to end of file.
18253 (*): Remove mode from label_ref in (pc) context.
18254 (movstrqi): Use memory not general_operand for BLKmode operands.
18255 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18256 to register_operand operands.
18257 (peep2 patterns): Convert from commented-out peephole patterns.
18259 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18261 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18262 to BUILT_IN_INIT_DWARF_REG_SIZES.
18263 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18264 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18265 expand_builtin_init_dwarf_reg_sizes.
18266 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18267 with __builtin_init_dwarf_reg_size_table.
18268 * dwarf2out.c (struct reg_size_range): Delete.
18269 (expand_builtin_init_dwarf_reg_sizes): New function.
18270 (expand_builtin_dwarf_reg_size): Delete.
18271 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18272 (expand_builtin_dwarf_reg_size): Don't declare.
18273 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18274 (dwarf_reg_size_table): New.
18275 (init_reg_size_table): New function.
18276 (copy_reg): Use dwarf_reg_size_table.
18277 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18280 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18282 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18283 Correctly build argument list to constructor and destructor functions.
18285 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18287 * c-tree.h (warn_float_equal): Declare.
18288 * c-decl.c (warn_float_equal): Define.
18289 (c_decode_option): Recognize -W[no-]float-equal.
18290 * c-typeck.c (build_binary_op): Conditionally warn
18291 about equality tests of floating point types.
18292 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18293 * invoke.texi: Add docs for -Wfloat-equal warning.
18295 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18297 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18298 generating RTL directly.
18299 * mips.h (INIT_TARGET_OPTABS): Likewise.
18300 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18302 * expr.h (init_mov_optab): Delete declaration
18304 * h8300.c (WORD_REG_USED): Update to avoid useless register
18305 saves in interrupt functions and functions which never return.
18307 * cse.c (struct set): Delete inner_dest_loc field.
18308 (cse_insn): Remove assignments to inner_dest_loc field.
18310 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18312 * ggc-page.c: Don't include <unistd.h> etc taken care of
18313 by "system.h". Include <sys/mman.h> afterward.
18315 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18317 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18320 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18322 * xcoffout.c (xcoffout_declare_function): Add documentation.
18323 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18324 TARGET_64BIT. Compare constant to -1, not bit pattern.
18325 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18326 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18329 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18331 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18332 origin_die is NULL.
18333 (gen_inlined_enumeration_type_die): Do not abort if the type has
18334 not been writeen out.
18335 (gen_inlined_structure_type_die): Do not abort if the type has
18336 not been writeen out.
18337 (gen_inlined_union_type_die): Do not abort if the type has
18338 not been writeen out.
18339 (gen_tagged_type_instantiation_die): Do not abort if the type
18340 has not been written out.
18342 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18344 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18346 * reg-stack.c (straighten_stack): Copy hard reg set with
18349 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18351 * builtins.c (stabilize_va_list): Stabilize array type va_list
18352 to a pointer type, not the base record type.
18353 (expand_builtin_va_copy): Dereference the pointers explicitly;
18354 use the correct size for the copy.
18356 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18357 (rs6000_va_arg): Likewise.
18359 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18361 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18363 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18365 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18367 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18369 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18371 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18372 (init_ggc): Use it instead of a constant.
18373 (ggc_collect): Bound allocated_last_gc by it.
18375 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18377 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18380 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18382 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18383 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18384 * configure: Regen.
18385 * config/mips/openbsd.h: New, OpenBSD little endian target.
18386 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18387 * config/mips/xm-openbsd.h: New, OpenBSD host.
18389 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18391 * config/m68k/m68k.c (output_function_prologue,
18392 output_function_epilogue): Use
18393 current_function_uses_pic_offset_table instead of regs_ever_live
18394 to decide whether to save/restore pic register.
18395 (legitimize_pic_address): Don't modify regs_ever_live any more.
18397 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18399 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18400 * stor-layout.c (variable_size): Don't add sizes to the pending
18401 sizes list if x_dont_save_pending_sizes_p is set.
18403 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18405 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18406 for symbolic_operand().
18407 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18409 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18411 * combine.c (gen_rtx_combine): Add missing call to va_end().
18413 * final.c (asm_fprintf): Likewise.
18415 * genattrtab.c (attr_rtx): Likewise.
18417 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18419 * cse.c: Update comments.
18420 (cse_insn): When converting a conditional/computed jump into
18421 an unconditional jump, always make sure a BARRIER immediately
18422 follows the converted jump. Do not delete unreachable code.
18423 (cse_basic_block): Do not delete unreachable code.
18424 * toplev.c (rest_of_compilation): Move call to
18425 delete_trivially_dead_insns after the conditional call to
18428 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18430 * collect2.c (make_temp_file): Don't prototype.
18432 * gcc.c (make_temp_file): Likewise.
18434 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18436 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18438 * varasm.c (asm_emit_uninitialised): New function: Generate
18439 the assembler statements necessary to declare an uninitialised
18441 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18443 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18444 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18446 (assemble_variable): Use asm_emit_uninitialised to emit an
18447 uninitialised variable.
18449 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18451 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18452 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18453 <geoffk@cygnus.com>.
18455 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18457 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18458 * c-common.h (builtin_function): Don't declare.
18460 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18462 (pushdecl): Likewise.
18463 (finish_decl): Likewise.
18464 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18465 int. All callers changed.
18466 Set the builtin's DECL_BUILT_IN_CLASS.
18467 * tree.h (enum built_in_class): New.
18468 (enum built_in_function): Delete NOT_BUILT_IN.
18469 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18471 (DECL_SET_FUNCTION_CODE): Likewise.
18472 (DECL_BUILT_IN_CLASS): New macro.
18473 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18474 (struct tree_decl): Split builtin function code field into a
18476 (builtin_function): Declare.
18478 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18480 * optabs.c (init_traps): Fix typo in last change.
18482 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18484 * toplev.c (rest_of_decl_compilation): Update comment.
18486 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18488 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18489 in .sbss if appropriate.
18490 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18491 (SBSS_SECTION_ASM_OP): New macro.
18492 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18493 (EXTRA_SECTIONS): Add in_sbss.
18494 * config/mips/mips.h: Prototype sbss_section.
18496 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18498 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18501 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18503 * optabs.c (init_traps): Register trap_rtx as a GC root.
18505 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18507 * config/mips/mips.c (function_arg_pass_by_reference): Define
18508 unconditionally, since it's called unconditionally.
18510 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18512 * toplev.c (documented_lang_options): Add -fshort-wchar.
18513 * c-decl.c (c_decode_option): Likewise.
18514 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18516 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18517 * gcc.c (default_compilers): If -fshort-wchar,
18518 override __WCHAR_TYPE__.
18519 * tm.texi (C Dialect Options): Add -fshort-wchar.
18521 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18522 symbol for a variable.
18524 * cpplib.h (CPP_PREPROCESSED): New macro.
18525 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18526 we're seeing this input for a second time.
18528 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18530 * emit-rtl.c (init_emit_once): Initialize modes first.
18532 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18534 * config/i386/i386.c (pic_label_name): Change to char pointer.
18535 (global_offset_table): New variable.
18536 (load_pic_register): Fill global_offset_table if it hasn't
18537 already been done. Allocate pic_label_name dynamically.
18538 * ggc.h (empty_string): New variable.
18539 * ggc-simple.c (empty_string): Likewise.
18540 (init_ggc): Allocate empty_string and add as root.
18541 * stmt.c (digit_strings): New variable.
18542 (init_stmt): Add last_block_end_note as root. Allocate and
18543 initialize digit_strings.
18544 (expand_asm_operands): Use empty_string instead of string
18545 constant. Use digit_strings instead of string constants.
18546 * profile.c (init_arc_profiler): Allocate string with
18547 ggc_alloc_string instead of xmalloc.
18548 (output_func_start_profiler): Likewise.
18549 * c-typeck.c (digest_init): Check if init is error_mark_node.
18551 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18552 Richard Henderson <rth@cygnus.com>
18554 * ggc-page.c: New file.
18555 * Makefile.in (ggc-page.o): New.
18557 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18559 * invoke.texi: Document -fdelete-null-pointer-checks
18560 * toplev.c (flag_delete_null_pointer_checks): New.
18561 (f_options): Add entry for -fdelete-null-pointer-checks.
18562 (rest_of_compilation): Conditionalize null pointer check
18563 elimination on flag_delete_null_pointer_checks.
18564 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18566 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18568 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18569 copyright notice and special exception to GPL.
18571 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18573 * abi64.h (mips_function_value): Add prototype arguments.
18575 * mips-protos.h: New file with mips prototypes.
18577 * mips.c: Include "tm_p.h".
18578 (mktemp, lookup_name): Add prototype arguments.
18579 (extern_list, string_constant, mips_fill_delay_slot,
18580 mips_output_external, mips_output_external_libcall,
18581 mips_output_filename, mips_declare_object, function_prologue,
18582 mips_expand_prologue, function_epilogue, mips16_constant,
18583 build_mips16_function_stub, mips_output_conditional_branch):
18585 (mips_va_start): Remove unused variable `u'.
18586 (mips_va_arg): Cast value to unsigned when comparing against one.
18588 (save_restore_insns, mips_expand_prologue): Add missing arg in
18589 call to `large_int'.
18591 * mips.h: Move prototypes to mips-protos.h.
18592 (data_section, memory_address_p, rdata_section,
18593 readonly_data_section, simple_epilogue_p, text_section): Delete
18594 prototypes delcared elsewhere.
18595 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18597 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18599 * mips.md: Delete extra args in call to `mips_move_2words'.
18601 * xm-iris6.h (alloca): Add prototype argument.
18603 * genpeep.c: Include "tm_p.h" in generated output file.
18605 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18607 * basic-block.h (find_edge_index): Change parameters.
18608 * flow.c (verify_edge_list): Pass basic_block parameters to
18609 find_edge_index instead of integers.
18611 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18613 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18616 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18618 * gcc.1: Fix a formatting error.
18620 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18622 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18623 i786, mn10200, mn10300, pdp11, v850.
18625 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18627 * libgcc2.c (num_digits): Add prototype with
18628 __attribute__((const)).
18629 (__terminate): Add prototype.
18631 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18633 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18635 * alpha/alpha.c (print_operand): Fix type of `code'.
18636 (alpha_output_filename): Constify.
18637 * alpha/alpha.h: Move all function declarations ...
18638 * alpha/alpha-protos.h: ... here. New file.
18639 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18640 (SECTION_FUNCTION_TEMPLATE): Likewise.
18642 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18644 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18645 * expr.c (expand_expr): Likewise.
18646 (do_jump): Likewise.
18647 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18648 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18650 (enum can_compare_purpose): New.
18651 (can_compare_p): Adjust prototype.
18652 (prepare_cmp_insn, prepare_operand): Declare.
18653 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18654 * optabs.c (cmp_available_p): Deleted.
18655 (expand_abs): Pass ccp_jump to can_compare_p.
18656 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18657 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18658 Call can_compare_p rather than cmp_available_p.
18659 (prepare_operand): No longer static.
18660 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18661 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18662 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18663 sequence to use emit_cmp_and_jump_insns.
18664 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18666 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18668 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18669 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18670 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18671 (plus (reg) (const_int 0))
18672 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18674 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18676 * rs6000.c (expand_block_move): DImode loads and stores require
18677 word-aligned displacements. Increment address registers with
18678 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18680 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18682 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18683 is no name for the base type, rather than segfault. If we are
18684 writing out a complex integer type, use DW_ATE_lo_user.
18686 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18687 in one word or less (complex char, complex short, or on 64 bit
18688 systems complex float) to/from a hard register, copy it through
18689 memory instead of dying in gen_{real,imag}part. If we have a
18690 short complex type, prevent inlining since it allocates stack
18693 * tree.c (build_complex_type): If we are writing dwarf2 output,
18694 generate a name for complex integer types.
18696 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18698 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18699 * flow.c (remove_edge): Remove extra whitespace.
18700 (remove_fake_edges): Fix comment.
18701 (add_noreturn_fake_exit_edges): Use the correct name.
18703 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18705 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18706 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18707 (clean): Depend on INTL_CLEAN.
18708 (maintainer-clean): Adjust.
18710 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18712 * configure.in (AC_PREREQ): Bump to 2.13.
18713 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18715 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18717 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18719 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18721 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18722 (HAVE_STRINGIZE): Define.
18724 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18726 * c-parse.in: save and restore warn_pointer_arith on __extension__
18727 along with pedantic.
18728 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18729 Set the type of extension to itype rather than $<itype>1 kludge.
18730 * extend.texi (Alternate Keywords): Adjust documentation.
18731 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18733 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18735 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18736 most assembler templates.
18738 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18739 FP loads and stores.
18740 (following_call): Always return zero for the PA8000.
18741 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18742 FP loads and stores.
18743 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18745 * pa.h (BRANCH_COST): Define.
18747 * pa.md (return, return_internal): Use bve for PA2.0.
18749 * pa.md (fused multiply): Add variants which reduce height for the
18750 fused multiply, but which still generate 2 insns.
18751 (fnegabs): Similarly.
18753 * pa.md (subsi3): Turn into an expander. Create two anonymous
18754 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18755 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18757 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18759 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18761 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18762 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18764 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18767 * flow.c (record_active_eh_regions): Terminate loop after finding
18768 the last insn in the last basic block.
18770 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18772 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18774 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18776 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18778 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18780 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18781 splitting to not use output template.
18783 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18785 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18786 * config/c4x/c4x.c (c4x_va_start): New function.
18788 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18790 * genrecog.c (not_both_true): Handle correctly cases when called for
18791 tests with different positions in the insn.
18793 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18795 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18797 * system.h (HOST_PTR_PRINTF): ... to here.
18799 * mips-tfile.c: Don't include machmode.h.
18801 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18802 (mips-tfile.o): Don't depend on machmode.h.
18804 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18806 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18807 avoid conflicts with typedef struct `region' at the top level scope.
18809 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18811 * basic-block.h (basic_block): Add eh_beg, eh_end.
18812 * flow.c (entry_exit_blocks): Update.
18813 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18814 Call new functions.
18815 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18816 lists.c functions to allocate insn lists.
18817 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18819 (make_eh_edge): ... here. New.
18820 (move_stray_eh_region_notes): New.
18821 (record_active_eh_regions): New.
18822 (delete_unreachable_blocks): Split out block merging ...
18823 (try_merge_blocks): ... here. New.
18824 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18825 Dump debugging data.
18826 (merge_blocks_move_successor_nojumps): Likewise.
18827 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18829 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18831 * extend.texi (Bound member functions): Document unbound pmf
18834 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18836 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18837 has the EXIT_BLOCK as a dest.
18839 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18841 * flow.c (remove_edge): New function to remove an edge from the
18843 (remove_fake_successors): New function to remove fake successor edges.
18844 (remove_fake_edges): New function to remove all fake edges from the
18846 (add_fake_exit_edges): New function to add fake edges from all blocks
18847 with no successors to the exit block.
18848 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18849 prototypes for new functions.
18851 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18853 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18854 Use Pmode to determine whether to output .dword or .word.
18856 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18858 * tree.c (built_in_filename): New variable.
18859 (BUILT_IN_FILENAME): New macro.
18860 (init_tree_codes): Allocate built_in_filename.
18861 (make_node): Use built_in_filename instead of string constant.
18863 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18865 * configure.in: Add fr30 target.
18866 * configure: Regenerate.
18867 * config/fr30: New directory.
18868 * config/fr30/crti.asm: New file.
18869 * config/fr30/fr30.c: New file.
18870 * config/fr30/crtn.asm: New file.
18871 * config/fr30/fr30.h: New file.
18872 * config/fr30/fr30.md: New file.
18873 * config/fr30/lib1funcs.asm: New file.
18874 * config/fr30/t-fr30: New file.
18875 * config/fr30/xm-fr30.h: New file.
18877 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18879 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18880 BARRIER at the end of the successor, not the BARRIER before
18883 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18885 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18887 * stmt.c (any_pending_cleanups): Don't crash when
18888 current_function->stmt is unset.
18890 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18892 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18893 other initializations that may use it for relative offsets.
18895 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18897 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18898 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18899 * config/i386/sol2dbg.h: Removed.
18900 * config/i386/sol2gas.h: New file, to enable gas work-around.
18901 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18902 Don't use sol2dbg.h.
18903 * configure: Rebuilt.
18905 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18907 * invoke.texi (-fthis-is-variable): Remove documentation.
18909 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18911 * basic-block.h (compute_bb_for_insn): Declare.
18912 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18913 to use; set size of basic_block_for_insn directly.
18914 (find_basic_blocks): Update.
18916 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18918 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18920 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18922 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18923 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18925 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18927 * c-decl.c (c_decode_option): Extend comment.
18929 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18931 * toplev.c (progname): Make 'const char *'
18932 (flag_print_mem): Move out of main.
18933 (version_flag): Move out of main.
18934 (filename): Move out of main.
18935 (debug_args): Remove g prefix from options.
18936 (documented_lang_options): Remove cpplib specific options.
18937 (display_help): Add g prefix to debug options.
18938 (check_lang_option): Delete this function.
18939 (decode_d_option): New function: Decode -d... option.
18940 (decode_f_option): New function: Decode -f... option.
18941 (decode_W_option): New function: Decode -W... option.
18942 (decode_g_option): New function: Decode -g... option.
18943 (independent_decode_option): New function: Decode a language
18944 independent command line option.
18945 (main): Invoke lang_decode_option and then
18946 independent_decode_option on each command line option in
18949 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18951 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18952 * fold-const.c (fold_range_test): Do not try to fold the range
18953 test if the rhs or lhs has side effects.
18955 * basic-block.h (compute_flow_dominators): Declare.
18957 * gcse.c (alloc_code_hoist_mem): New function.
18958 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18959 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18960 (hoist_code, one_code_hoisting_pass): Likewise.
18961 (gcse_main): If optimizing for size, then hoist expressions
18962 computed in multiple dominated basic blocks.
18964 * gcse.c (invalid_nonnull_info): New function.
18965 (delete_null_pointer_checks): Likewise.
18966 * rtl.h (delete_null_pointer_checks): Declare.
18967 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18969 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18970 (merge-blocks_move_successor_nojumps): Likewise.
18971 (merge_blocks): Allow merging of some blocks, even if it requires
18972 physical movement of the blocks, but not if it requires new jumps.
18974 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18975 Callers and prototype changed.
18976 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18978 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18980 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18981 -YP when both -p and -pg are present. From i386/sol2.h.
18983 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18985 * Makefile.in (distclean): Delete tm_p.h.
18986 * configure.in: Create a new file, "tm_p.h", from a list in
18987 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18988 "i386/i386-protos.h".
18990 * alias.c: Include "tm_p.h".
18991 * c-typeck.c: Likewise.
18992 * calls.c: Likewise.
18994 * emit-rtl.c: Likewise.
18995 * explow.c: Likewise.
18996 * expmed.c: Likewise.
18997 * expr.c: Likewise.
18998 * final.c: Likewise.
18999 * flow.c: Likewise.
19000 * fold-const.c: Likewise.
19001 * function.c: Likewise.
19002 * gcse.c: Likewise.
19003 * global.c: Likewise.
19004 * haifa-sched.c: Likewise.
19005 * integrate.c: Likewise.
19006 * jump.c: Likewise.
19007 * local-alloc.c: Likewise.
19008 * loop.c: Likewise.
19009 * optabs.c: Likewise.
19010 * recog.c: Likewise.
19011 * reg-stack.c: Likewise.
19012 * regclass.c: Likewise.
19013 * regmove.c: Likewise.
19014 * reload.c: Likewise.
19015 * reload1.c: Likewise.
19016 * reorg.c: Likewise.
19017 * resource.c: Likewise.
19018 * stmt.c: Likewise.
19019 * stor-layout.c: Likewise.
19020 * toplev.c: Likewise.
19021 * tree.c: Likewise.
19022 * unroll.c: Likewise.
19023 * genattrtab.c (main): Make generated file include "tm_p.h".
19024 * genemit.c (main): Likewise.
19025 * genoutput.c (main): Likewise.
19026 * genrecog.c (main): Likewise.
19028 * i386.h: Delete all prototypes.
19029 * i386.c: Include "tm_p.h".
19030 (ix86_attr_length_default): Call constant_call_address_operand
19031 with correct number of arguments.
19032 * i386-protos.h: New file.
19033 * i386.md (unnamed patterns): Call constant_call_address_operand
19034 with correct number of arguments.
19035 (exception_receiver): Call load_pic_register with correct number
19038 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19040 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19042 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19044 * rtl.h (insns_safe_to_move_p): New function.
19045 * loop.c (find_and_verify_loops): Use it.
19046 * rtlanal.c (insns_safe_to_move_p): Define it.
19048 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19050 * c-pragma.c: Include ggc.h.
19051 * Makefile.in (c-pragma.o): Update.
19053 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19055 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19056 (LIB_SPEC): Likewise.
19057 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19058 Reindent -YP/-p/-pg.
19059 Copied from config/sparc/sol2.h.
19061 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19063 * c-pragma.c (mark_align_stack): New.
19064 (init_pragma): New.
19065 * c-pragma.h (init_pragma): Declare it.
19066 * c-lex.c (init_parse): Call it.
19068 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19070 * configure.in: Pick up thread library on Solaris/x86 just
19071 like on Solaris/sparc.
19072 * configure: Rebuilt.
19074 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19076 * rtl.h (global_rtx_index): New enum.
19077 (global_rtl): Change to array of rtx.
19078 (pc_rtx, cc0_rtx): Redefine accordingly.
19079 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19080 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19081 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19082 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19083 (const_int_rtx): Change to array of rtx.
19084 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19086 * emit-rtl.c (global_rtl): Change to array of rtx.
19087 (const_int_rtx): Change to aray of rtx.
19088 (gen_rtx_CONST_INT): Redefine accordingly.
19089 (init_emit_once): Allocate and initialize global_rtl. Likewise
19090 for const_int_rtx. Add both as GC roots.
19091 * genattrtab.c (global_rtl): Update declaration.
19093 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19095 * Makefile (USER_H): Add iso646.h back.
19097 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19099 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19100 zapping the LOG_LINKS of sched_before_next_call.
19102 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19103 * pa.c (insn_refs_are_delayed): Renamed from
19104 insn_sets_and_refs_are_delayed.
19106 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19108 * functiion.h (struct function): Add x_whole_function_mode_p.
19109 (retrofit_block): Declare.
19110 * function.c (retrofit_block): New function.
19111 (identify_blocks): Add assertions. Allow an incomplete set of
19112 block notes if we're still generating code for the function.
19113 * integrate.c: Include loop.h.
19114 (expand_inline_function): Call find_loop_tree_blocks to map block
19115 notes to blocks when in whole-function mode. Use retrofit_block
19116 to insert new BLOCKs for the inlined function, rather than
19118 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19119 * Makefile.in (integrate.o): Depend on loop.h.
19121 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19123 * tree.h (warn_about_unused_variables): Declare.
19124 * stmt.c (warn_about_unused_variables): New function, split out
19126 (expand_end_bindings): Here.
19128 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19130 * stmt.c (preserve_subexpressions_p): Don't crash when
19131 current_function->stmt is unset.
19133 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19135 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19136 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19137 (expand_start_target_temps): Use it.
19138 * except.c (expand_eh_region_start_for_decl): Likewise.
19139 * expr.c (expand_expr): Likewise.
19141 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19143 * fold-const.c (operand_equal_p): Pay attention to side effects.
19145 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19147 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19148 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19150 * tlink.c (scan_linker_output): Look for keywords before accepting
19151 a mangled name in quotes.
19153 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19155 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19156 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19158 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19160 * alpha.md: Revert Thu Nov 26 change that came in through the
19161 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19162 Avoid earlyclobber when possible.
19164 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19166 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19168 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19169 Define HAVE_ON_EXIT.
19171 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19173 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19174 CTYPE_CONV in all ctype macros.
19176 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19179 * cexp.y (initialize_random_junk): Likewise.
19181 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19183 * i370.c (handle_pragma): Likewise.
19185 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19187 * v850.c (override_options): Likewise.
19189 * doprint.c (_doprnt): Likewise.
19191 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19194 * fixinc/server.c (load_data): Likewise.
19196 * fold-const.c (real_hex_to_f): Likewise.
19198 * genattr.c (write_upcase, gen_attr): Likewise.
19200 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19201 write_upcase): Likewise.
19203 * genemit.c (print_code): Likewise.
19205 * genopinit.c (gen_insn): Likewise.
19207 * genpeep.c (print_code): Likewise.
19209 * genrecog.c (print_code): Likewise.
19211 * optabs.c (init_libfuncs): Likewise.
19213 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19215 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19217 (reemit_notes): Likewise.
19219 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19221 * ggc.h (ggc_root): Move to ggc-common.c.
19223 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19224 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19225 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19226 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19227 * ggc-common.c (ggc_root): Move from ggc.h.
19228 (roots): Declare, static.
19229 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19230 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19231 null or check/set mark bit.
19232 (ggc_mark_roots): New.
19233 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19235 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19237 * m32r.c: Include toplev.h.
19238 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19239 (gen_compare): Rename swap_p to must_swap to match uses.
19240 Add default abort case.
19241 (m32r_output_function_epilogue): Remove unused variables.
19242 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19243 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19244 define to empty parameter list. Update all uses.
19245 (predicate decls): Use enum machine_mode not int.
19246 * m32r.md (movsi): Call abort, not fatal_insn.
19247 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19249 1999-09-14 Andrew Haley <aph@cygnus.com>
19251 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19252 use $0 instead of 0.
19254 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19256 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19257 computation out of loop over hard regs.
19259 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19261 * function.c (identify_blocks): Don't shadow a variable in an
19263 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19264 pushdecl, or poplevel to build up the new BLOCK tree.
19265 (expand_inline_function): Likewise.
19266 (integrate_parm_decls): Likewise.
19268 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19270 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19272 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19274 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19275 * invoke.texi: Document this change.
19277 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19279 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19281 (mark_emit_status): Renamed from mark_emit_state.
19282 * except.c (mark_eh_status): Renamed from mark_eh_state.
19283 Check not null before marking.
19284 (free_eh_status): New.
19285 * expr.c (mark_expr_status, free_expr_status): New.
19286 * function.c (free_machine_status): New.
19287 (free_after_parsing): New.
19288 (free_after_compilation): Move bits to free_after_parsing; call
19289 free_eh_status, free_expr_status; zero the marked members of the
19291 (prepare_function_start): No can_garbage_collect.
19292 Call init_eh_for_function.
19293 (expand_dummy_function_end): Free up current_function state.
19294 (mark_function_status): Renamed from mark_function_state.
19295 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19296 * function.h (struct function): No can_garbage_collect.
19297 (free_machine_status, free_after_parsing): Declare.
19298 (free_eh_status, free_expr_status): Declare.
19299 * ggc.h (mark_expr_status): Declare.
19300 * stmt.c (free_stmt_status): Free the struct.
19301 (mark_stmt_status): Renamed from mark_stmt_state.
19302 (init_stmt): Don't call init_eh.
19303 (init_stmt_for_function): Don't call init_eh_for_function.
19304 * toplev.c (compile_file): Call init_eh.
19305 (rest_of_compilation): Free basic block info before ggc_collect.
19306 Call free_after_parsing; conditionally call free_after_compilation.
19307 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19308 Check not null before marking.
19309 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19311 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19313 * c-lex.c (yylex): Initialize warn.
19315 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19317 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19318 register when performing secondary reloads for the SAR register.
19320 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19322 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19323 (NOTE_BLOCK): New macro.
19324 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19325 * function.h (identify_blocks): Change prototype.
19326 * function.c (identify_blocks): Simplify.
19327 (reorder_blocks): Likewise.
19328 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19329 NOTE_INSN_BLOCK_{BEG,END}.
19330 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19331 the list of saved notes if the note isn't a
19332 NOTE_INSN_BLOCK_{BEG,END}.
19333 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19335 (reemit_notes): Adjust recreation of notes to reflect new saved
19337 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19338 printing a block note.
19339 * stmt.c (block_vector): Remove.
19340 (find_loop_tree_blocks): Simplify.
19341 (unroll_block_trees): Likewise.
19342 * tree.h (reorder_block): Change prototype.
19344 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19346 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19347 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19348 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19349 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19350 (atexit, exit): Simplify.
19351 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19352 * config/lots: Remove defns of HAVE_ATEXIT.
19354 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19356 * calls.c (precompute_arguments): Fix typo in comment.
19357 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19360 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19362 * dsp16xx.c (override_options): Fix typos in GC root registration.
19364 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19366 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19367 from config/svr4.h.
19368 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19369 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19370 (CC1_SPEC): Likewise.
19372 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19374 * genattr.c (main): Add extern prototype. Call return, not exit.
19375 * genattrtab.c (main): Likewise.
19376 * gencheck.c (main): Likewise.
19377 * gencodes.c (main): Likewise.
19378 * genconfig.c (main): Likewise.
19379 * genemit.c (main): Likewise.
19380 * genextract.c (main): Likewise.
19381 * genflags.c (main): Likewise.
19382 * gengenrtl.c (main): Likewise.
19383 * genopinit.c (main): Likewise.
19384 * genoutput.c (main): Likewise.
19385 * genpeep.c (main): Likewise.
19386 * genrecog.c (main): Likewise.
19388 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19389 * genattrtab.c (get_insn_name): Likewise.
19390 * gencodes.c (get_insn_name): Likewise.
19391 * genconfig.c (get_insn_name): Likewise.
19392 * genemit.c (get_insn_name): Likewise.
19393 * genextract.c (get_insn_name): Likewise.
19394 * genflags.c (get_insn_name): Likewise.
19395 * genopinit.c (get_insn_name): Likewise.
19396 * genpeep.c (get_insn_name): Likewise.
19398 * gencheck.c (usage): Add static prototype.
19399 * genextract.c (print_path): Constify a char*.
19400 * genopinit.c (optabs): Likewise.
19401 * genoutput.c (operand_data, data, output_predicate_decls,
19402 compare_operands): Likewise.
19403 * genrecog.c (write_tree): Add default case in switch.
19405 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19407 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19409 * print-rtl.c (get_insn_name): Remove prototype.
19411 * toplev.h (progname): Declare const.
19413 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19414 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19415 dump_sched_info, dump_local_alloc, regset_release_memory,
19416 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19417 error_with_file_and_line, error_with_decl, error_for_asm, error,
19418 fatal, warning_with_file_and_line, warning_with_decl, warning,
19419 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19420 Remove redundant prototypes.
19422 (notice, check_lang_option, report_file_and_line, vnotice,
19423 mark_file_stack): Add static prototype.
19424 (set_fatal_function): Add prototype.
19425 (vnotice, report_file_and_line, set_fatal_function,
19426 check_lang_option): Constify a char*.
19427 (main): Prototype. Call return, not exit.
19429 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19431 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19433 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19435 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19437 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19439 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19441 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19442 behave as if it's zero in all cases.
19443 (expand_function_start): Adjust call to assign_parms.
19444 * tree.h (assign_parms): Adjust prototype.
19445 * objc/objc-act.c (hack_method_prototype): Adjust call to
19448 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19450 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19451 arg_pointer_rtx fixed if the argument pointer register is
19453 (NONZERO_BASE_PLUS_P): Likewise.
19455 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19457 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19458 match_insn2 to match_insn.
19459 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19461 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19463 * Makefile.in (USER_H): Remove va-foo.h.
19465 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19466 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19467 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19468 va-spur.h,va-v850.h}: Remove.
19470 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19472 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19473 (in_return_delay): Use it instead of match_insn.
19475 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19477 * config/alpha/va_list.h (va-alpha.h): Do not include.
19478 (__gnuc_va_list): Typedef as in varargs.h.
19480 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19482 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19483 DECL_LIVE_RANGE_RTL.
19485 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19487 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19488 not NOTE_BLOCK_NUMBER.
19489 (expand_eh_region_end): Likewise.
19490 (find_exception_handler_labels): Likewise.
19491 (scan_region): Likewise.
19492 (exception_optimize): Likewise.
19493 (update_rethrow_references): Likewise.
19494 (set_insn_eh_region): Likewise.
19495 * final.c (final_scan_insn): Likewise.
19496 * flow.c (make_edges): Likewise.
19497 * integrate.c (expand_inline_function): Likewise.
19498 * print-rtl.c (print_rtx): Likewise.
19500 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19502 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19503 terms of builtin functions and types.
19505 * mips.c (mips_build_va_list): New.
19506 (mips_va_start, mips_va_arg): New.
19507 * mips.h (BUILD_VA_LIST_TYPE): New.
19508 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19510 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19511 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19512 * sh.h (BUILD_VA_LIST_TYPE): New.
19513 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19515 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19517 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19518 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19519 (struct insn_data): Likewise with n_operands, n_dups,
19520 n_alternatives, output_format.
19521 * regclass.c (scan_one_insn): Cast n_operands to int before
19522 arithmetic inside comparison.
19524 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19526 * toplev.c (compile_function): Unconditionally emit nop.
19528 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19530 * haifa-sched.c (actual_hazard): Move declaration of variable
19531 `this_cost' into the scope where it is used.
19533 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19535 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19536 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19537 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19539 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19541 * jump.c (find_insert_position): Don't declare or define unless
19542 !HAVE_conditional_arithmetic.
19543 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19545 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19547 * recog.c (offsettable_address_p): Prototype function pointer.
19548 (preprocess_constraints): Call memset, not bzero.
19550 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19551 (gcc_obstack_init): Don't declare.
19552 (fix_sizetype): Add static prototype.
19553 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19554 (tree_cons): Call memset, not bzero.
19556 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19557 definition in macro ASM_WEAKEN_LABEL.
19558 (mark_const_hash_entry): Add static prototype.
19560 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19562 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19564 * unroll.c (find_common_reg_term, subtract_reg_term,
19565 loop_find_equiv_value): Add static prototypes.
19566 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19567 (copy_loop_body): Remove unreachable break statement.
19569 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19571 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19573 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19575 Undo some changes from the gcc2 merge:
19576 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19577 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19581 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19582 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19583 initialized float-int union if the value is a NaN.
19585 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19587 * gthr-win32.h: New file.
19589 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19590 shared as a valid attribute.
19591 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19592 * extend.texi: Document `shared' variable attribute.
19594 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19596 * configure.in: Handle --enable-threads on FreeBSD.
19597 * configure: Rebuit.
19599 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19601 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19603 * configure: Rebuilt.
19605 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19606 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19607 Rosimildo DaSilva <rdasilva@connecttel.com>
19609 * configure.in (m68k-*-rtemscoff*): Added.
19610 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19611 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19612 sparc-rtems configuration.
19613 * configure.in (sparc-*-rtemself*): Added.
19614 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19615 * config/i386/rtems.h: Added comment.
19616 * config/sparc/rtemself.h: New file.
19618 * configure.in (m68k-rtemself): Added.
19619 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19620 and DWARF_DEBUGGING_INFO.
19621 * config/m68k/crti.s: New file.
19622 * config/m68k/crtn.s: New file.
19623 * config/m68k/t-crtstuff: New file.
19624 * config/m68k/rtemself.h: New file.
19626 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19627 global ctor/dtor and C++ exception handling.
19628 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19629 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19631 * config/i386/t-rtems-i386: New File.
19633 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19635 * stmt.c (expand_end_case): Return right away if the case stack is
19638 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19640 * Makefile.in (version.c): Remove rule incorrectly brought in from
19643 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19645 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19646 * msdos/top.sed: Take into account a prepended $(SHELL) to
19648 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19650 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19652 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19654 * regmove.c (fixup_match_1): Don't change an unchanging register.
19655 (stable_but_for_p): Renamed to:
19656 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19657 Changed all callers.
19659 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19661 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19662 insn from BL2 is after the insn from BL.
19664 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19666 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19667 (struct insn_data): Merge `template' and `outfun' into `output'.
19668 Add `output_format'.
19669 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19670 (struct data): Remove `outfun'; add `output_format'.
19671 (name_for_index): Remove declaration.
19672 (output_insn_data): Handle output formats.
19673 (process_template): Emit the bare array for @.
19674 (gen_expand, gen_split): Set output_format to NONE.
19675 * output.h (get_insn_template): Declare.
19676 * final.c (get_insn_template): New.
19677 (final_scan_insn): Use it.
19678 * toplev.c (compile_file): Likewise.
19680 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19681 * i860/i860.c (output_delayed_branch): Likewise.
19682 (output_delay_insn): Likewise.
19684 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19686 * rtl.c (obstack_alloc_rtx): Removed.
19688 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19690 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19692 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19694 * i386.c (call_insn_operand): Reject const_int.
19695 (expander_call_insn_operand): Use call_insn_operand.
19697 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19699 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19701 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19703 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19704 Use DImode operation.
19706 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19708 * gcc.c: Include sys/resource.h.
19709 (report_times): New flag.
19710 (execute): If report_times is set, calculate and report the
19711 CPU time consumed by each subprocess.
19713 (rus, prus): New globals.
19714 (option_map): Add --time.
19715 (display_help): Document -time.
19716 (process_command): Set report_times if -time is given.
19717 Turn off -pipe if -time is given.
19719 * invoke.texi: Document new option -time.
19721 * configure.in: Check for getrusage. Check if we have to
19722 prototype getrusage.
19723 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19724 * configure: Regenerate.
19725 * config.in: Regenerate.
19727 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19729 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19732 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19734 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19735 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19736 (nan): Return _thenan_sf or _thenan_df as appropriate.
19737 (L_thenan_sf): Define _thenan_sf.
19738 (L_thenan_df): Define _thenan_df.
19740 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19741 (DPBIT_FUNCS): Add _thenan_df.
19743 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19745 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19748 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19750 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19753 (lang_specific_driver): Don't take a function pointer parameter.
19754 All callers changed.
19756 * gcc.c: Include gcc.h.
19757 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19758 lang_specific_extra_outfiles, fatal): Don't declare.
19759 (multilib_defaults_raw): Constify.
19760 (read_specs): Call memset, rather than bzero.
19761 (main): Call return, not exit.
19762 (lookup_compiler): Call memcpy, not bcopy.
19763 (fatal): Make extern.
19765 * cppspec.c: Include gcc.h.
19766 (lang_specific_driver): Initialize variable `quote'. Constify a
19767 char*. All calls to the function pointer parameter now
19768 explicitly call `fatal'.
19770 * gccspec.c (lang_specific_driver): Include gcc.h.
19772 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19774 * arm.c (note_invalid_constants): Use recog_data.operand_type
19777 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19779 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19782 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19783 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19784 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19785 reload_secondary_in_reload, reload_secondary_out_reload,
19786 reload_secondary_in_icode, reload_secondary_out_icode,
19787 reload_reg_rtx, reload_when_needed): Delete declarations.
19788 (struct reload): New structure.
19789 (rld): Declare new array.
19790 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19791 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19792 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19793 reload_secondary_in_reload, reload_secondary_out_reload,
19794 reload_secondary_in_icode, reload_secondary_out_icode,
19795 reload_reg_rtx, reload_when_needed): Delete definitions.
19797 (whole file): Replace uses of the deleted arrays with uses of rld.
19798 * reload1.c (whole file): Replace uses of the deleted arrays with
19800 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19801 explicit loops, not with bcopy.
19803 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19805 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19806 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19807 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19808 insn_name): Delete and consolidate into new structures.
19809 (insn_operand_predicate_fn): New.
19810 (insn_output_fn): New.
19811 (insn_gen_fn): New.
19812 (struct insn_operand_data): New.
19813 (struct insn_data): New.
19815 (OUT_FCN): Update for insn_data change.
19816 * builtins.c (expand_builtin_strlen): Likewise.
19817 (expand_builtin_memcmp): Likewise.
19818 * combine.c (make_extraction, simplify_comparison): Likewise.
19819 * cse.c (canon_reg, cse_insn): Likewise.
19820 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19821 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19822 (emit_store_flag): Likewise.
19823 * expr.c (convert_move, emit_block_move): Likewise.
19824 (clear_storage, emit_push_insn, expand_increment): Likewise.
19825 (do_store_flag): Likewise.
19826 * expr.h (GEN_FCN): Likewise.
19827 (insn_gen_function): Die.
19828 * final.c (final_scan_insn): Update for insn_data change.
19829 (output_asm_name): Likewise.
19830 * function.c (fixup_var_refs_1): Likewise.
19831 * loop.c (check_dbra_loop): Likewise.
19832 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19833 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19834 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19835 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19836 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19837 * regmove.c (gen_add3_insn): Likewise.
19838 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19839 (find_reloads, find_reloads_address_1): Likewise.
19840 (debug_reload_to_stream): Likewise.
19841 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19842 * stmt.c (expand_end_case): Likewise.
19843 * toplev.c (compile_file): Likewise.
19845 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19846 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19848 * print-rtl.c (insn_name_ptr): Remove declaration.
19849 (get_insn_name): Declare.
19850 (print_rtx): Use it.
19851 * genoutput.c (insn_name_ptr): Remove.
19852 (next_operand_number): New.
19853 (struct operand_data): New.
19854 (null_operand, odata, odata_end): New.
19855 (struct data): Use struct operand_data.
19856 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19857 (get_insn_name): Renamed from name_for_index.
19858 (output_prologue): Define NO_MD_PROTOTYPES.
19859 (output_predicate_decls): Break out from output_epilogue.
19860 Iterate over the operands list.
19861 (output_operand_data): Break out from output_epilogue. Emit
19862 just the operands list.
19863 (output_insn_data): Break out from output_epilogue. Emit just
19865 (output_epilogue): Remove.
19866 (output_get_insn_name): New.
19867 (constraints, op_n_alternatives, predicates, address_p): Die.
19868 (modes, strict_low, seen): Die.
19869 (scan_operands): Take new param `d' instead of writing to
19870 seven global variables.
19871 (compare_operands): New.
19872 (place_operands): New.
19873 (validate_insn_alternatives): Update for struct data change.
19874 (gen_insn): Don't zero or copy 7 global arrays. Update for
19875 scan_operands; call place_operands.
19876 (gen_peephole, gen_expand, gen_split): Likewise.
19877 (main): Update for new output routines.
19879 * genattr.c (insn_name_ptr): Remove.
19880 (get_insn_name): New function.
19881 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19882 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19883 * genrecog.c: Likewise.
19885 * alpha.md (adddi3): Make `pattern' array static.
19887 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19889 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19890 c4x_cpu_version_string): Constify char *.
19891 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19892 c4x_cpu_version_string): Likewise.
19894 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19896 * tree.c (save_tree_status): Revert 10 Sep change.
19897 (restore_tree_status): Likewise. Call obstack_free with NULL
19898 before freeing the obstack proper.
19900 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19902 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19904 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19905 surrounding context.
19907 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19909 * tree.c (type_hash_canon): Put all types in the hash-table, when
19912 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19914 * recog.h (struct recog_data, recog_data): New.
19915 (recog_foo variables): Kill.
19916 * recog.c (recog_operand, recog_operand_loc): Kill.
19917 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19918 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19919 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19920 (recog_data): Define.
19921 (extract_insn): Update all recog_foo references to use recog_data.
19922 (preprocess_constraints, constrain_operands): Likewise.
19923 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19924 * genattrtab.c (main): Likewise.
19925 * genextract.c (main): Likewise.
19926 * genoutput.c: Likewise.
19927 * genrecog.c (write_subroutine, main): Likewise.
19928 * local-alloc.c (block_alloc): Likewise.
19929 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19930 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19931 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19932 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19933 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19934 (reload_cse_simplify_operands): Likewise.
19936 * arc/arc.c (arc_final_prescan_insn): Likewise.
19937 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19938 * h8300/h8300.c (notice_update_cc): Likewise.
19939 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19940 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19941 * mn10200/mn10200.c (notice_update_cc): Likewise.
19942 * mn10300/mn10300.c (notice_update_cc): Likewise.
19943 * romp/romp.c (update_cc): Likewise.
19944 * sparc/sparc.c (check_pic): Likewise.
19945 * v850/v850.c (notice_update_cc): Likewise.
19947 * genemit.c (main): Don't declare recog_operand.
19949 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19951 * ggc.h (rtvec_def): Forward declare.
19952 (tree_node): Likewise.
19953 (ggc_root): Define.
19955 (ggc_set_mark_rtx): Add prototype.
19956 (ggc_set_mark_rtvec): Likewise.
19957 (ggc_set_mark_tree): Likewise.
19958 * ggc-simple.c (ggc_root): Don't define.
19959 (roots): Don't declare.
19960 (ggc_mark_rtx): Remove.
19961 (ggc_mark_rtvec): Likewise.
19962 (ggc_mark_tree): Likewise.
19963 (ggc_mark_varray): Likewise.
19964 (ggc_mark_tree_hash_table_entry): Likewise.
19965 (ggc_mark_tree_hash_table): Likewise.
19966 (ggc_set_mart_rtx): New function.
19967 (ggc_set_mark_rtvec): Likewise.
19968 (ggc_set_mark_tree): Likewise.
19969 (ggc_add_root): Remove.
19970 (ggc_add_rtx_root): Likewise.
19971 (ggc_remove_tree_root): Likewise.
19972 (ggc_add_string_root): Likewise.
19973 (ggc_add_tree_varray_root): Likewise.
19974 (ggc_add_tree_hash_table_root): Likewise.
19975 (ggc_del_root): Likewise.
19976 (ggc_mark_rtx_ptr): Likewise.
19977 (ggc_mark_tree_ptr): Likewise.
19978 (ggc_mark_string_ptr): Likewise.
19979 (ggc_mark_tree_varray_ptr): Likewise.
19980 (ggc_mark_tree_hash_table_ptr): Likewise.
19981 * ggc-common.c: New file.
19982 * Makefile.in (OBJS): Add ggc-common.o.
19983 (ggc-common.o): List dependencies.
19985 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19987 * cppalloc.c (xstrdup): Use memcpy.
19988 * cpperror.c (cpp_print_containing_files): Don't use
19990 * cpplib.c (conditional_skip): Set temp->lineno.
19991 (do_endif): Make error message less obscure.
19992 (if_directive_name): New function.
19993 (cpp_get_token [case EOF]): Unwind the if stack and generate
19994 error messages for each unterminated conditional in this file.
19995 (parse_string): Do not behave differently if -traditional.
19997 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19999 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20000 va_list decomposing to pointer-type.
20001 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20002 (rs6000_va_arg): Likewise.
20004 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20006 * except.c (start_dynamic_handler): Compute size using
20007 STACK_SAVEAREA_MODE.
20009 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20011 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20012 include directory headers. Don't define strrchr. Don't provide
20013 my_* replacement functions. Prefer PTR over `pointer_type'.
20014 Don't prototype system functions. Don't redefine getopt.
20016 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20017 safe_read, safe_write, save_pointers, restore_pointers,
20018 is_id_char, in_system_include_dir, directory_specified_p,
20019 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20020 find_corresponding_lparen, referenced_file_is_newer,
20021 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20022 process_aux_info_file, identify_lineno, check_source,
20023 seek_to_line, forward_to_next_token_char, output_bytes,
20024 output_string, output_up_to, other_variable_style_function,
20025 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20026 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20027 find_static_definition, connect_defs_and_decs, add_local_decl,
20028 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20029 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20030 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20031 scan_for_missed_items, edit_file, string_list_cons): Add static
20033 (standard_exec_prefix, target_machine, target_version,
20034 default_syscalls_dir, string_list, string_list_cons, find_file,
20035 do_cleaning): Constify a char*.
20036 (safe_read, safe_write): Use PTR, not a char*.
20037 (is_id_char): Take an int, not a char.
20038 (main): Add prototype. Call return, not exit.
20040 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20042 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20043 when comparing types.
20045 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20047 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20048 (strength_reduce): Release the varrays from the no-bivs early exit.
20050 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20051 the loop over the registers.
20053 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20055 (restore_tree_status): Check that instead when freeing the obstack.
20057 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20059 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20062 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20064 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20065 operand size modifiers.
20067 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20069 * c-common.c (c_common_nodes_and_builtins): Don't build
20071 * c-common.h (enum c_tree_index and related accesor macros): Remove
20072 everything now declared in tree.h.
20073 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20074 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20075 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20076 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20077 unsigned_type_node, ptr_type_node, va_list_type_node,
20078 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20079 (init_decl_processing): Call build_common_tree_nodes and
20080 build_common_tree_nodes_2 instead of building their nodes here.
20081 Don't add roots for these nodes.
20082 * stor-layout.c (size_zero_node, size_one_node): Delete.
20083 (set_sizetype): Make a new node for bitsizetype each time.
20084 * tree.c (global_trees): New variable.
20085 (init_obstacks): Add a gc root for it.
20086 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20087 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20088 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20089 (build_common_tree_nodes): New function.
20090 (fix_sizetype): New function.
20091 (build_common_tree_nodes_2): New function.
20092 * tree.h (enum tree_index): New.
20093 (global_trees): Declare.
20094 Add accessor macros for all nodes now moved to global_trees.
20095 Delete their declarations.
20097 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20099 * c-decl.c (finish_function): When processing a nested function,
20100 push and pop GC context around rest_of_compilation.
20102 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20104 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20105 Default ix86_arch to PROCESSOR_I386.
20106 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20107 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20108 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20109 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20110 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20111 (EXTRA_SPECS): Remove deleted specs.
20113 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20115 * function.c (assign_stack_local_1): Allocate from
20116 function->x_frame_offset, not frame_offset.
20118 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20120 * ggc.h (lang_cleanup_tree): Remove.
20121 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20122 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20124 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20125 TYPE_LANG_SPECIFIC when garbage collecting.
20126 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20127 (lang_cleanup_tree): Remove.
20129 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20131 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20132 * crtstuff.c: Not here.
20133 * dwarf2out.c: Or here.
20134 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20137 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20139 * function.h (free_after_compilation): Remove decl parameter.
20140 (free_varasm_status0: Likewise.
20141 (free_emit_status): Likewise.
20142 (free_stmt_status): Likewise.
20143 (free_after_compilation): Likewise.
20144 (init_lang_status): New variable.
20145 (free_lang_status): Likewise.
20146 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20147 * function.c (init_lang_status): New variable.
20148 (free_lang_status): Likewise.
20149 (push_function_context_to): Don't set function::decl here.
20150 (free_after_copmilation): Make decl parameter implicit. Call
20151 free_lang_status if defined.
20152 (prepare_function_start): Call init_lang_status if defined.
20153 (init_function_start): Set function::decl here.
20154 * profile.c (output_func_start_profiler): Don't call pushdecl
20155 until we've actually started the function.
20156 * stmt.c (free_stmt_status): Make decl parameter implicit.
20157 * toplev.c (rest_of_compilation): Don't pass decl to
20158 free_after_compilation.
20159 * varasm.c (free_varasm_status): Likewise.
20161 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20163 * except.c (call_get_eh_context): Add root when allocating static
20166 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20168 * arm.c: Include "ggc.h".
20169 (arm_add_gc_roots): New function.
20170 (arm_override_options): Call it.
20171 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20173 * arm.md (define_asm_attributes): Add a pool_range attribute.
20175 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20177 * extend.texi (Volatiles): New node.
20179 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20181 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20182 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20183 (struct ggc_any): Replace `mark' with `magic_mark'.
20184 (ggc_alloc_string): Use memcpy, not bcopy.
20185 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20186 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20187 (ggc_free_any): New.
20188 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20189 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20190 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20191 Use IS_MARKED. Use ggc_free_any.
20193 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20195 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20197 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20199 * toplev.c (main): Always init_ggc.
20201 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20203 * except.c (find_all_handler_type_matches): Free the list if
20204 we found no matches.
20206 * combine.c (SUBST): Break out to a real function do_SUBST.
20207 (SUBST_INT): Likewise.
20208 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20209 (pre_insert): Free `inserted'.
20210 * loop.c (basic_induction_var): Always set `location'.
20212 * function.c (expand_function_end): Add initial_trampoline as a root.
20213 * rtl.h (init_varasm_once): Declare.
20214 * toplev.c (compile_file): Call it.
20215 * ggc-simple.c (ggc_mark_string_ptr): New.
20216 (ggc_add_string_root): New.
20217 (ggc_collect): Disable collection avoidance temporarily.
20218 * ggc.h (ggc_add_string_root): Declare.
20219 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20220 * optabs.c (init_libfuncs): Likewise.
20221 * varasm.c (named_section): Use ggc_alloc_string.
20222 (make_function_rtl): Likewise.
20223 (make_decl_rtl): Likewise.
20224 (assemble_static_space): Likewise.
20225 (assemble_trampoline_template): Likewise.
20226 (output_constant_def): Likewise.
20227 (force_const_mem): Likewise.
20228 (mark_const_hash_entry): New.
20229 (mark_pool_sym_hash_table): New.
20230 (mark_varasm_state): Use it.
20231 (init_varasm_once): New.
20233 * expr.h (init_one_libfunc): Declare.
20234 * optabs.c (init_one_libfunc): New.
20235 (init_optabs): Use it.
20236 * config/gofast.h: Likewise.
20237 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20238 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20240 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20242 * Makefile.in (cppexp.o): Depend on cpphash.h.
20243 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20245 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20246 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20247 redefining poisoned identifiers, etc.
20248 (do_undef): Don't allow poisoned identifiers to be undefined.
20249 (do_pragma): Add #pragma poison.
20250 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20252 * cccp.c: Add T_POISON node type.
20253 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20255 (do_define): Generalise to handle poisoned definitions,
20256 redefining poisoned identifiers, etc.
20257 (do_undef): Don't allow poisoned identifiers to be undefined.
20258 (do_pragma): Add #pragma poison.
20259 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20261 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20262 * c-pragma.h: Add ps_poison state. We now always have generic
20265 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20267 * ggc.h (ggc_alloc): New function.
20268 (ggc_mark): Likewise.
20269 * ggc-simple.c (ggc_any): New structure.
20270 (ggc_status): Add anys.
20271 (n_anys_collected): New variable.
20272 (ggc_alloc): Define.
20273 (ggc_mark): Likewise.
20274 (ggc_collect): Collect the anys.
20276 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20278 * c-decl.c (mark_binding_level): Make static to match prototype.
20280 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20282 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20284 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20286 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20287 will use into account. Expand the max width to 5.
20290 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20292 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20293 for the rtx length.
20295 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20297 * alpha.md (call value patterns): Remove the result predicates.
20299 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20301 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20304 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20306 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20307 changed from extern char *, to extern PTR. Also fix typo in
20308 NEED_DECLARATION_REALLOC test.
20310 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20312 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20314 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20315 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20316 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20317 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20319 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20321 * cccp.c (pcfinclude): Likewise.
20323 * global.c (allocno_compare): Likewise.
20325 * haifa-sched.c (rank_for_schedule): Likewise.
20327 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20329 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20331 * stupid.c (stupid_reg_compare): Likewise.
20333 * tree.c (_obstack_allocated_p): Likewise.
20335 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20337 1999-09-08 Bruce Korb autogen@linuxbox.com
20339 * Makefile.in: Give the hapless gperf user a hint about
20340 why "gperf -F" fails.
20342 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20344 * lists.c: Include ggc.h.
20346 (init_EXPR_INSN_LIST_cache): Install it.
20348 * ggc-simple.c (init_ggc): Absorb the old init.
20349 (ggc_push_context): Use xcalloc.
20350 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20351 (ggc_collect): Add [rvts] tags to the collection stats.
20353 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20355 * cccp.c (main): Fix handling of -include and -imacros options.
20357 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20359 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20361 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20363 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20366 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20368 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20369 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20370 and SET_DEST. Update comment.
20372 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20374 * config/c4x/c4x.c: Include ggc.h.
20375 (c4x_add_gc_roots): New function.
20376 (c4x_override_options): Call c4x_add_gc_roots.
20378 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20380 * defaults.h (TARGET_ESC): Move ...
20381 * system.h: ... here, where Linas had it in the first place. Silly me.
20383 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20385 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20386 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20387 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20388 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20389 * defaults.h (TARGET_ESC): Add default.
20391 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20393 * configure.in: add i370-*-openedition, i370-*-mvs and
20394 i370-*-linux targets
20396 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20398 * dsp16xxx.c: Include ggc.h
20399 (override_options): Mark GC roots.
20400 * mn10200.c: Include ggc.h.
20401 (asm_file_start): Mark GC roots.
20402 * tahoe.c: Include ggc.h.
20403 (extensible_operand): Mark GC roots.
20405 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20407 * README: Add section discussing status of ELF ABI.
20408 * i370.c: Fix misc spelling mistakes.
20409 (i370_label_scan): Updated notes, exception handling.
20410 (i370_function_prolog): Simplify ELF stack handling.
20411 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20412 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20413 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20414 * i370.md: (movdi): Add notes.
20415 (floatsidf2): Use stack not rtca for scratch float area.
20416 (iorsi3): Correct operand constraints.
20417 * x-oe: Restore TAROUTOPTS which are used by pax.
20419 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20421 * rs6000.c: Include ggc.h.
20422 (rs6000_add_gc_roots): New function.
20423 (override_options): Call it.
20425 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20427 * alpha.h (alpha_compare): New.
20428 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20429 * alpha.c: Likewise for the definitions.
20430 (alpha_emit_conditional_branch): Update for alpha_compare.
20431 (alpha_emit_conditional_move): Likewise.
20432 * alpha.md (cmpdf, cmpdi): Likewise.
20433 (setcc patterns): Likewise. Zero alpha_compare after use.
20434 (sne): Optimize (x != 0) into (0U < x).
20436 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20438 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20439 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20440 (INIT_EXPANDERS): Remove.
20441 * alpha.c: Include ggc.h.
20442 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20443 (alpha_init_machine_status, alpha_mark_machine_status): New.
20444 (override_options): Install them.
20445 (struct machine_function): Moved to alpha.h.
20446 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20447 (alpha_init_expanders): Remove.
20448 (alpha_return_addr): Adjust to use current_function->machine.
20449 (alpha_ra_ever_killed): Likewise.
20450 (alpha_expand_epilogue): Likewise.
20451 * alpha.md (eh_epilogue): Likewise.
20453 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20454 Melissa O'Neill <oneill@cs.sfu.ca>
20455 Geoffrey Keating <geoffk@cygnus.com>
20457 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20458 call-used registers (call-saved registers must still be contiguous
20459 and end with r31, of course).
20461 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20463 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20464 (self_promoting_type_p): Delete.
20465 (self_promoting_args_p): Move ...
20466 * c-common.c: ... here.
20467 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20468 (simple_type_promotes_to): New.
20469 * builtins.c (lang_type_promotes_to): New.
20470 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20471 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20472 * c-common.h: ... here.
20473 (self_promoting_args_p, simple_type_promotes_to): Declare.
20474 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20475 (grokdeclarator): Likewise.
20476 * tree.h (lang_type_promotes_to): Declare.
20478 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20480 Add some machine-dependent GC roots.
20481 * sparc.c: Include ggc.h.
20482 (sparc_add_gc_roots): New function.
20483 (mark_ultrasparc_pipeline_state): Likewise.
20484 (override_options): Call sparc_add_gc_roots.
20485 * pa.c: Include ggc.h.
20486 (pa_add_gc_roots): New function.
20487 (mark_deferred_plabels): Likewise.
20488 (override_options): Call pa_add_gc_roots.
20489 * mips.c: Include ggc.h.
20490 (mips_add_gc_roots): New function.
20491 (override_options): Use it.
20493 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20495 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20497 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20498 cpp_parse_expr): Add static prototypes.
20499 (parse_charconst): Don't cast away const-ness.
20500 (token): Constify a char*.
20502 * cppfiles.c (file_name_list, include_hash, find_include_file,
20503 finclude, initialize_input_buffer): Constify a char*.
20504 (file_cleanup, find_position): Add static prototypes.
20506 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20507 collect_expansion): Add static prototypes.
20508 (cpp_install, create_definition, monthnames): Constify a char*.
20510 * cpphash.h (cpp_install): Likewise.
20512 * cppinit.c (known_suffixes, default_include,
20513 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20514 (base_name, dump_special_to_buffer, initialize_dependency_output):
20515 Add static prototypes.
20517 * cpplib.c (my_strerror): Constify a char*.
20518 (null_underflow, null_cleanup, skip_comment, copy_comment,
20519 copy_rest_of_line, handle_directive, pass_thru_directive,
20520 get_directive_token, read_line_number, cpp_print_file_and_line,
20521 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20522 v_cpp_warning_with_line, detect_if_not_defined,
20523 consider_directive_while_skipping): Add static prototypes.
20524 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20525 cpp_pedwarn_with_file_and_line): Constify a char*.
20527 * cpplib.h (cpp_options, include_hash, progname, definition,
20528 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20529 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20530 find_include_file, deps_output, include_hash): Constify a char*.
20532 * cppmain.c (progname): Constify.
20533 (main): Add prototype. Use return, not exit.
20535 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20536 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20537 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20538 check_protection): Add static prototype.
20540 (progname, recognized_macrom, recognized_extern): Constify a char*.
20541 (main): Add prototype.
20543 * gen-protos.c (progname): Constify a char*.
20545 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20547 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20548 (init_emit_once): Add more GC roots.
20549 * except.c (mark_func_eh_entry): New function.
20550 (mark_eh_node): Mark false_label and rethrow_label.
20551 (init_eh): Add more GC roots.
20552 * function.c (free_after_compilation): Take decl as a paramter.
20553 Call free_stmt_status.
20554 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20556 * function.h (free_after_compilation): Change prototype.
20557 (free_varasm_status): Likewise.
20558 (free_emit_status): Likewise.
20559 (free_stmt_status): New function.
20560 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20561 Remove, replacing with ...
20562 (ggc_status): New structure.
20563 (ggc_chain): New variable.
20564 (init_gcc): Define.
20565 (ggc_push_context): New function.
20566 (ggc_pop_context): Likewise.
20567 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20568 (ggc_alloc_rtvec): Likewise.
20569 (ggc_alloc_tree): Likewise.
20570 (ggc_alloc_string): Likewise.
20571 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20572 (ggc_mark_tree): Give language-dependent code a chance to mark
20574 (ggc_mark_tree_varray): Handle empty arrays.
20575 (ggc_collect): Adjust for use of ggc_chain. Clear
20576 bytes_alloced_since_last_gc.
20577 * ggc.h (ggc_pop_context): New function.
20578 (ggc_push_context): Likewise.
20579 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20580 * stmt.c (free_stmt_status): New function.
20581 (init_stmt_for_function): Clear last_expr_value.
20582 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20583 Conditionalize call to ggc_collect.
20584 (main): Call init_ggc.
20585 * tree.c (push_obstacks): Do the push, even when GC'ing.
20586 (push_obstacks_nochange): Likewise.
20587 (pop_obstacks): Liekwise.
20588 * varasm.c (free_varasm_status): Take decl as a parameter.
20590 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20592 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20593 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20594 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20595 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20597 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20599 * pa/x-pa-mpeix: New file for the MPE port.
20601 * pa/quadlib.asm: New file for long double support.
20603 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20604 * configure: Rebuilt.
20606 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20608 * final.c (shorten_branches): Fix last change.
20610 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20612 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20614 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20616 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20619 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20621 * c-aux-info.c (concat): Don't define.
20623 * cccp.c (my_strerror): Likewise. All callers changed to use
20625 (do_include): Call xstrdup, not xmalloc/strcpy.
20626 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20627 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20629 * collect2.c (my_strsignal): Likewise. All callers changed to use
20631 (locatelib): Call xstrdup, not xmalloc/strcpy.
20633 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20635 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20637 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20639 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20641 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20643 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20645 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20647 (find_all_handler_type_matches): Likewise. Don't check return
20649 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20650 xmalloc, not malloc.
20651 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20653 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20654 (init_spec): Call xcalloc, not xmalloc/bzero.
20655 (set_spec): Call xstrdup, not save_string.
20656 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20657 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20658 (process_command): Call xstrdup, not save_string.
20659 (main): Call xcalloc, not xmalloc/bzero.
20661 * gcov.c (xmalloc): Don't define.
20662 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20663 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20664 (output_data): Call xcalloc, not xmalloc/bzero.
20666 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20668 * mips-tdump.c (xmalloc): Don't define.
20669 (print_symbol): Call xmalloc, not malloc.
20670 (read_tfile): Call xcalloc, not calloc.
20672 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20673 Don't define. All callers of xfree/my_strsignal changed to use
20674 free/strsignal instead.
20675 (allocate_cluster): Call xcalloc, not calloc.
20677 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20678 Fix memory leak, free allocated memory.
20680 * prefix.c (translate_name): Call xstrdup, not save_string.
20681 (update_path): Likewise.
20683 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20685 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20686 Don't define. Callers of xfree/savestring2 changed to use
20687 free/concat instead.
20689 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20690 (init_elim_table): Likewise.
20692 * resource.c (init_resource_info): Likewise.
20694 * stupid.c (stupid_life_analysis): Likewise.
20696 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20697 (open_dump_file): Call concat, not xmalloc/strcpy/...
20698 (clean_dump_file): Likewise.
20699 (compile_file): Call xstrdup, not xmalloc/strcpy.
20701 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20703 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20704 * v850.c (v850_va_arg): New.
20706 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20708 * haifa-sched.c: Tidy comments.
20710 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20712 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20713 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20714 $(out_object_file)): Depend on ggc.h.
20715 * c-common.c: Include "ggc.h".
20716 (combine_strings): If doing GC, use ggc_alloc_string.
20717 * c-decl.c: Include "ggc.h".
20718 (ggc_p): Define with value 0.
20719 (mark_binding_level): New function.
20720 (init_decl_processing): Add GC roots.
20721 (mark_c_function_context): New function.
20722 (lang_mark_false_label_stack): New function.
20723 (lang_mark_tree): New function.
20724 (lang_cleanup_tree): New function.
20725 * c-lang.c: Include "ggc.h".
20726 (lang_init): Call c_parse_init.
20727 * c-lex.c: Include "ggc.h".
20728 (check_linenum): If doing GC, don't copy filenames to permanent
20730 * c-parse.in: Include "ggc.h".
20731 (c_parse_init): New function.
20732 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20733 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20735 * except.c (mark_eh_state): Mark more state.
20736 * function.c (mark_function_state): Likewise.
20737 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20738 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20739 * toplev.c (mark_file_stack): New function.
20740 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20741 (main): Add root for input_file_stack.
20743 * i386.c: Include "ggc.h".
20744 (ix86_mark_machine_status): New function.
20745 (override_options): Set mark_machine_status.
20747 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20749 * tree.c (copy_node): Copy node contents also if doing GC.
20751 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20753 * collect2.c (scan_libraries): Fix double-thinko :-).
20755 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20757 * collect2.c (scan_libraries): Fix thinko.
20759 * cse.c (delete_trivially_dead_insns): Do not skip the last
20760 insn if it is a real insn.
20762 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20764 * Makefile.in (ggc-simple.o): Depend on hash.h.
20765 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20766 (ggc_mark_tree_varray): Likewise.
20767 (ggc_mark_tree_hash_table): Likewise.
20768 * ggc-simple.c: Include hash.h.
20769 (ggc_mark_tree_hash_table_ptr): New function.
20770 (ggc_mark_tree_hash_table_entry): Likewise.
20771 (ggc_mark_tree_hash_table): Likewise.
20772 (ggc_add_tree_hash_table_root): Likewise.
20773 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20774 rtx, when defining fields.
20776 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20778 * profile.c (output_func_start_profiler): Remove apparently
20779 nonsensical call to start_sequence.
20781 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20783 * clipper/clipper.c (clipper_va_start): Fix typos.
20785 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20786 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20787 (spur_va_arg): New stub.
20789 * configure.in: Comment out pyramid.
20791 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20793 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20794 don't conflict with the bits that win32, cygwin, and dgux
20797 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20798 Bernd Schmidt <bernds@cygnus.co.uk>
20800 * integrate.c (function_cannot_inline_p): Do not inline
20801 functions with forced labels.
20803 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20804 Bernd Schmidt <bernds@cygnus.co.uk>
20805 Mark Mitchell <mark@codesourcery.com>
20807 * Makefile.in (ggc-simple.o): Depend on varray.h.
20808 (rtl.o): Depend on ggc.h.
20809 (genattrtab.o): Depend on ggc.h.
20810 (print-tree.o): Likewise.
20811 (fold-const.o): Likewise.
20812 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20813 (make_insn_raw): Don't cache insns when GC'ing.
20814 (emit_insn_before): Likewise.
20815 (emit_insn_after): Likewise.
20816 (emit_insn): Likewise.
20817 (start_sequence): Use xmalloc to allocate the sequence_stack.
20818 (end_sequence): Add free to free it.
20819 (gen_sequence): Don't cache insns when GC'ing.
20820 (clear_emit_caches): Don't use sequence_element_free_list.
20821 (init_emit): Use xcalloc, not xmalloc+bzero.
20822 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20823 * function.c (pop_function_context_from): Use free to free the
20824 fixup_var_refs_queue.
20825 (put_reg_into_stack): Allocate it with xmalloc.
20826 * genattrtab.c: Include ggc.h.
20827 (operate_exp): Don't use obstack_free when GC'ing.
20828 (simplify_cond): Likewise.
20829 (simplify_text_exp): Likewise.
20830 (optimize_attrs): Likewise.
20831 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20833 (gencode): Generate a #include for ggc.h.
20834 * ggc-callbacks.c (ggc_p): Define it to zero.
20835 * ggc-none.c (ggc_p): Likewise.
20836 * ggc-simple.c: Include varray.h.
20837 (ggc_mark_tree_varray): New function.
20838 (ggc_add_tree_varray_root): Likewise.
20839 (ggc_mark_tree_varray_ptr): Likewise.
20840 * ggc.h (ggc_p): Declare.
20841 (varray_head_tag): Likewise.
20842 (ggc_add_tree_varray_root): Declare.
20843 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20844 inconsistencies when GC'ing.
20845 * rtl.c: Include ggc.h.
20846 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20847 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20848 (rtx_free): Don't call obstack_free when GC'ing.
20849 * toplev.c (rest_of_compilation): Call ggc_collect after every
20851 * tree.c (push_obstacks): Do nothing, if GC'ing.
20852 (pop_obstacks_nochange): Likewise.
20853 (pop_obstacks): Likewise.
20854 (make_node): Use ggc_alloc_tree when GC'ing.
20855 (copy_node): Likewise.
20856 (get_identifier): Use ggc_alloc_string when GC'ing.
20857 (build_string): Likewise.
20858 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20859 (tree_cons): Likewise.
20860 (build1): Likewise.
20861 (type_hash_canon): Don't call obstack_free when GC'ing.
20863 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20865 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20866 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20868 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20869 Bernd Schmidt <bernds@cygnus.co.uk>
20870 Mark Mitchell <mark@codesourcery.com>
20872 * Makefile.in (stor-layout.o): Depend on ggc.h.
20873 (expr.o): Depend on ggc.h.
20874 (profile.o): Depend on ggc.h.
20875 (stor-layout.o): Depend on ggc.h.
20876 * emit-rtl.c (init_emit_once): Add gc roots.
20877 * expr.c: Include ggc.h.
20878 (emit_block_move): Add gc roots.
20879 (clear_storage): Likewise.
20880 * expr.h (init_stor_layout_once): New function.
20881 * profile.c: Include ggc.h.
20882 (init_arc_profiler): profiler_label is a root.
20883 * scan.c (make_sstring_space): Trust xrealloc to function
20884 correctly with first parameter NULL.
20885 * stor-layout.c: Include ggc.h.
20886 (set_sizetype): Add gc root.
20887 (init_stor_layout_once): New function.
20888 * toplev.c (compile_file): Call it.
20890 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20891 Bernd Schmidt <bernds@cygnus.co.uk>
20892 Mark Mitchell <mark@codesourcery.com>
20894 * Makefile.in (tree.o): Depend on ggc.h.
20895 (varasm.o): Likewise.
20896 (function.o): Likewise.
20897 (stmt.o): Likewise.
20898 (except.o): Likewise.
20899 (optabs.o): Likewise.
20900 (emit-rtl.o): Likewise.
20901 * emit-rtl.c: Include ggc.h.
20902 (sequence_element_free_list): Remove, and all references.
20903 (mark_sequence): New functions.
20904 (mark_emit_state): New function.
20905 * except.c: Include ggc.h.
20906 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20907 (mark_tree_label_node): New functions.
20908 (mark_eh_state): New function.
20909 * function.c: Include ggc.h.
20910 (mark_temp_slot, mark_function_chain): New functions.
20911 (mark_function_state): New function.
20912 (init_function_once): New function.
20913 * function.h (init_function_once): New function.
20914 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20915 * ggc.h (label_node): Declare.
20916 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20917 (lang_mark_false_label_stack): New function.
20918 (mark_temp_slot): Remove declaration.
20919 (mark_function_chain): Likewise.
20920 (mark_eh_state): Adjust prototype.
20921 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20923 * optabs.c: Include ggc.h.
20924 (mark_optab): New function.
20925 (init_optabs): Add gc roots.
20926 * stmt.c: Include ggc.h.
20927 (mark_cond_nesting, mark_loop_nesting): New functions.
20928 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20929 (mark_stmt_state): New function.
20930 * toplev.c (compile_file): Call init_function_once.
20931 * tree.c: Include ggc.h.
20932 (type_hash): Move declaration earlier in file.
20933 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20934 (init_obstacks): Add gc roots.
20935 (mark_type_hash): New function.
20936 * varasm.c: Include ggc.h.
20937 (mark_pool_constant): New function.
20938 (mark_varasm_state): New function.
20940 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20942 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20944 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20946 * c-decl.c (struct language_function): Renamed from struct c_function.
20948 (c_function_chain): Delete.
20949 (push_c_function_context): New arg F. Don't warn about nested
20950 functions here. Fill LANGUAGE elt of F. Delete code to update
20951 c_function_chain. Don't call push_function_context.
20952 (pop_c_function_context): New arg F. Restore from there instead of
20953 from c_function_chain. Don't call pop_function_context. Clear out
20954 LANGUAGE field of F when done.
20955 * c-lang.c: Include "function.h"
20956 (lang_init): Initialize save_lang_status and restore_lang_status.
20957 * c-parse.in (nested_function, nested_function_notype): Warn about
20958 nested functions. Call push_function_context/pop_function_context
20959 instead of the _c_ variants.
20960 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20962 * Makefile.in (c-lang.o): Update dependencies.
20964 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20965 regno_pointer_flag, regno_pointer_align.
20966 (gen_reg_rtx): Use xrealloc to enlarge them.
20967 (free_emit_status): New function.
20968 * function.c (mark_machine_status, mark_lang_status): New variables.
20969 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20970 in some bits from assign_stack_local. All callers changed to use new
20972 (assign_stack_local): Just call assign_stack_local_1.
20973 (free_after_compilation): New function.
20974 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20975 (trampoline_address): Likewise.
20976 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20977 (prepare_function_start): Explicitly clear some more variables.
20978 * function.h (struct function): New elt can_garbage_collect.
20979 (mark_machine_status, mark_lang_status): Declare variables.
20980 (free_after_compilation, free_emit_status, free_varasm_status,
20981 init_varasm_status): Declare functions.
20982 * toplev.c (rest_of_compilation): Call free_after_compilation when
20983 done with the current function.
20984 * varasm.c (free_varasm_status): New function.
20986 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20988 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20989 (EXPAND_BUILTIN_VA_ARG): Define.
20990 * sparc.c (sparc_va_start): New.
20991 (sparc_va_arg): New.
20993 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20995 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20997 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20999 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21001 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21003 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21004 (OBJS): Add $(GGC).
21005 (ggc-callbacks.o): New target.
21006 * ggc-callbacks.c: New file.
21008 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21010 * expr.h: Collapse individual optab and libfunc vars to arrays.
21011 (optab_index, libfunc_index): New enumerations.
21012 (optab_table, libfunc_table): New arrays.
21013 Add accessor macros for both.
21015 * optabs.c (optab_table, libfunc_table): New.
21016 Delete declarations for individual optab and libfunc vars.
21018 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21020 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21022 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21024 * Makefile.in (GGC, GGC_LIB): New.
21025 (HOST_RTL): Include ggc-none.o.
21026 (ggc-simple.o): New target.
21027 (ggc-none.o): Likewise.
21028 * tree.h (tree_common): Add gc_mark.
21029 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21030 (struct rtvec_def): Add gc_mark.
21031 * emit-rtl.c (global_rtl): Update static initializers to contain
21032 enough initializers.
21033 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21034 * toplev.c (gc_time): New variable.
21035 (all_time): New variable.
21036 (compile_file): Print gc time.
21037 (print_time): Calculate percentage of the whole.
21039 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21041 Change obstack memory management and varasm constant pool handling so
21042 that nested functions are treated like any other functions.
21043 * function.c (init_machine_status): New variable.
21044 (push_function_context_to): Set contains_functions for the outer
21045 function. Don't call save_varasm_status.
21046 (pop_function_context_from): Don't call restore_varasm_status. Don't
21047 set current_function_contains_functions.
21048 (prepare_function_start): Call init_varasm_status rather than
21049 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21051 * function.h (struct function) Add field varasm. Delete fields
21052 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21053 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21054 (init_machine_status): Declare.
21055 (save_varasm_status, restore_varasm_status): Delete declarations.
21056 (save_tree_status, restore_tree_status): Delete last argument.
21057 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21058 code. All callers changed.
21059 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21060 save_constants_in_decl_trees, restore_constants, save_constants,
21061 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21063 (inlining): New variable.
21064 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21065 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21067 (save_for_inline_nocopy): Don't save constants.
21068 Don't set inl_emit field in current_function.
21069 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21070 function. Set new variable inlining before
21071 calling copy_rtx_and_substitute.
21072 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21073 constant pool references if inlining is nonzero.
21074 Delete ADDRESS and (most of the) CONST cases.
21075 (output_inline_function): Save and restore current_function/
21076 current_function_decl. Delete restore_constants code. Don't call
21077 init_const_rtx_hash_table.
21078 * output.h (init_const_rtx_hash_table): Don't declare.
21079 * rtl.h (struct function): Declare.
21080 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21081 * toplev.c (rest_of_compilation): Don't treat nested functions or
21082 functions containing them specially. Delete all code to deal with
21083 save_for_inline_copying.
21084 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21085 inline_obstacks): Delete variables.
21086 (save_tree_status): Lose arg CONTEXT. All callers changed.
21087 Simply allocate a new function_maybepermanent_obstack for the new
21088 function, delete all the special cases.
21089 Don't save inline_obstacks.
21090 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21091 Delete special handling for function_maybepermanent_obstack; simply
21093 Don't restore inline_obstacks.
21094 (permanent_allocation): Delete code that frees inline_obstacks.
21095 (print_inline_obstack_statistics): Delete function.
21096 (dump_tree_statistics): Don't call it.
21097 * varasm.c (struct varasm_status): New.
21098 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21099 last_pool, pool_offset, const_double_chain): Delete global
21100 variables, replace with accessor macros.
21101 (immed_double_const): Don't walk const_double_chain outside a
21102 function, but don't treat nested functions specially anymore.
21103 (immed_real_const_1): Likewise.
21104 (clear_const_double_mem): Don't treat nested functions specially.
21105 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21106 (save_varasm_status, restore_varasm_status): Delete functions.
21107 (init_varasm_status): New function.
21108 (force_const_mem): Don't treat nested functions specially.
21109 (find_pool_constant): Accept new arg F, search for constants in
21110 that function's pool rather than the current one. All callers
21112 (get_pool_constant_for_function, get_pool_mode_for_function): New
21115 * i386.c (init_386_machine_status): New function, mostly from
21116 clear_386_stack_locals.
21117 (struct machine_functions): Rename element names to avoid name
21119 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21120 macros, replacing global variables.
21121 (clear_386_stack_locals, save_386_machine_status,
21122 restore_386_machine_status): Delete functions.
21123 (override_options): Initialize init_machine_status.
21124 * i386.h (INIT_EXPANDERS): Delete macro.
21125 (save_386_machine_status, restore_386_machine_status,
21126 clear_386_stack_locals): Delete declarations.
21128 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21130 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21131 (doloop_begin): Simplify pattern and use emit_jump_insn.
21132 (doloop_end): Simplify pattern, switch operand order,
21133 and use emit_jump_insn.
21135 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21137 * function.h (struct function): Add new element LANGUAGE.
21138 (save_lang_status): Declare new variable.
21139 (restore_lang_status): Likewise.
21140 * function.c (save_lang_status): Define.
21141 (restore_lang_status): Likewise.
21142 (push_function_context_to): Call language-specific save function.
21143 (pop_function_context_from): Call language-specific restore function.
21145 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21147 * i386.md (movsf_1): Check REG_P before use of REGNO.
21148 (movdf_1): Likewise.
21149 (movxf_1): Likewise.
21150 (extendsfdf2): Likewise.
21151 (extendsfxf2): Likewise.
21152 (extenddfxf2): Likewise.
21154 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21156 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21157 constants into memory.
21158 (c4x_shiftable_constant): New function.
21159 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21160 (c4x_shiftable_constant): Declare.
21161 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21162 ashlqi3_noclobber): Add new patterns and associated splitters.
21164 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21166 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21167 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21168 * final.c (shorten_branches): Likewise.
21169 * global.c (global_alloc): Likewise.
21170 * haifa-sched.c (build_control_flow): Likewise.
21171 * stmt.c (check_for_full_enumeration_handling): Likewise.
21172 (estimate_case_costs): Likewise.
21174 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21176 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21178 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21180 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21181 (recompute_reg_usage): Likewise.
21182 * rtlanal.c (find_regno_fusage): Likewise.
21184 * rtl.c (rtl_check_failed_code1): New function.
21185 (rtl_check_failed_code2): New.
21186 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21187 (RTL_CHECKC1, RTL_CHECKC2): New.
21188 (XC*): New accessor macros.
21189 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21190 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21191 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21192 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21193 (TRAP_*, RANGE_INFO_*): Likewise.
21195 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21197 * Makefile.in (tlink.o): Don't depend on toplev.h.
21199 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21200 output_file, nm_file_name, ldd_file_name, strip_file_name,
21201 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21202 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21203 fork_execute, maybe_unlink, add_to_list,
21204 extract_init_priority, write_list, dump_list,
21205 dump_prefix_list, write_list_with_asm, write_c_file,
21206 write_c_file_stat, write_c_file_glob, scan_prog_file,
21207 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21208 ignore_library, extract_string, notice, dump_file, target_machine,
21209 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21210 read_file, print_load_command): Constify a char*.
21211 (fdopen, error, fatal, fatal_perror): Don't prototype.
21212 (my_strerror): Remove. All callers use xstrerror instead.
21213 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21214 (main): Add prototype. Constify lots of char* ptrs. Change calls
21215 to xcalloc/strcpy/strcat/... to one call to concat.
21216 (main, scan_prog_file, scan_libraries): Use an intermediate
21217 `const char **' to build an argv array.
21218 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21220 * collect2.h (collect_execute, collect_wait, dump_file,
21221 file_exists): Constify a char*.
21222 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21223 temporary_firstobj, vflag, debug): Add extern declarations.
21224 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21226 * tlink.c: Don't include toplev.h.
21227 (vflag, debug, ldout, c_file_name, temporary_obstack,
21228 permanent_obstack, temporary_firstobj): Don't declare.
21229 (tlink_execute, frob_extension, symbol_hash_lookup,
21230 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21231 recompile_files, read_repo_files, demangle_new_symbols,
21232 scan_linker_output): Constify a char*.
21233 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21234 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21236 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21238 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21239 (relative) rather than jsr (absolute) subroutine call insns.
21240 * config/m68k/m68k-coff.h: Ditto.
21242 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21244 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21245 now rework these too.
21246 (arm_reorg): If an insn can't reach the end of the current pool,
21247 ensure that we emit that pool before the insn.
21249 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21251 * tlink.c (scan_linker_output): Skip the initial underscore in
21252 a mangled name if appropriate.
21254 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21256 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21257 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21258 error_with_ivar, gen_declarator, create_builtin_decl,
21259 my_build_string, generate_descriptor_table, generate_ivars_list,
21260 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21261 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21262 dump_base_name, lang_decode_option, build_encode_expr,
21263 start_class, finish_class, encode_pointer, really_start_method,
21264 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21266 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21267 Add static prototypes.
21268 (build_objc_string_decl, build_selector_reference_decl,
21269 encode_bitfield, build_class_reference_decl): Remove unused
21270 parameter, all callers changed.
21271 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21272 (objc_printable_name): Likewise. Change second parameter to type int.
21273 (init_objc): Use memcpy, not bcopy, to avoid casts.
21275 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21277 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21278 reg notes on a deleted insn.
21279 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21281 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21283 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21285 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21287 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21290 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21292 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21293 * tm.texi (MD_ASM_CLOBBERS): Document it.
21295 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21297 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21298 * except.c (expand_rethrow): Remove unused variable.
21299 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21300 * flow.c (replace_insns): Likewise.
21301 (create_edge_list, verify_edge_list): Likewise.
21302 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21304 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21305 is special code to run.
21306 (main): Don't define operands to emit_operand.
21307 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21309 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21311 * alpha/alpha.h (normal_memory_operand): Declare.
21312 (reg_no_subreg_operand): Declare.
21313 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21315 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21317 * c-parse.in (compstmt_primary_start): New, broken out of first
21318 part of compstmt handling in primary.
21319 (primary): Use it. Add an error clause.
21320 (compstmt_nostart): Renamed from compstmt; remove all
21321 initial invocations of compstmt_start.
21324 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21326 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21329 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21331 * combine.c (simplify_shift_const): Remove extra semicolon.
21332 * dwarf2out.c (remove_AT): Likewise.
21333 * expmed.c (expand_mult): Likewise.
21334 * gcov.c (create_program_flow_graph): Likewise.
21335 * reorg.c (mostly_true_jump): Likewise.
21337 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21339 * fold-const.c (fold_range_test): Do not try to fold the range
21340 test if the rhs or lhs has side effects.
21342 * combine.c (simplify_rtx): Recognize another case of a synthesized
21345 * varasm.c (mark_constant_pool): When marking indirect references,
21346 only look at SYMBOL_REFs.
21348 * except.c (expand_fixup_region_end): Do not peek at
21349 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21351 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21353 * flags.h: New variables align_loops, align_loops_log,
21354 align_jumps, align_jumps_log, align_labels, align_labels_log,
21355 align_functions, align_functions_log.
21356 * toplev.c: Define them.
21357 (f_options): Handle -falign-* when they have no argument.
21358 (main): Add logic to set variables for -falign-functions,
21359 -falign-jumps, -falign-labels, -falign-loops.
21360 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21361 (display_help): Change help to match options.
21362 * final.c (LABEL_ALIGN): Default to align_labels_log.
21363 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21364 (LOOP_ALIGN): Default to align_loops_log.
21365 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21366 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21367 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21368 * varasm.c (assemble_start_function): Handle align_functions.
21370 * config/sparc/sparc.h: Don't declare sparc_align_*.
21371 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21372 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21374 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21376 * config/sparc/sparc.c: Delete sparc_align_loops,
21377 sparc_align_jumps, sparc_align_funcs and the corresponding string
21379 (sparc_override_options): Default align_functions on ultrasparc.
21380 Delete -malign-* handling.
21382 * config/mips/mips.c (override_options): On 64-bit targets,
21383 try to align code to 64-bit boundaries.
21384 (print_operand): New substitution, %~,
21385 which aligns labels to align_labels_log.
21386 * config/mips/mips.md (div_trap_normal): Use %~.
21387 (div_trap_mips16): Likewise.
21389 (absdi2): Likewise.
21390 (ffssi2): Likewise.
21391 (ffsdi2): Likewise.
21392 (ashldi3_internal): Likewise.
21393 (ashrdi3_internal): Likewise.
21394 (lshrdi3_internal): Likewise.
21395 (casesi_internal): Likewise.
21397 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21399 Merge new ia32 backend from the branch!
21401 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21402 See ChangeLog.P2 on new_ia32_branch for details.
21404 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21405 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21406 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21407 * i386/gas.h (ASM_FILE_START): Define.
21408 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21409 for name change of ix86_valid_decl_attribute_p.
21410 (i386_pe_valid_type_attribute_p): Similarly.
21412 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21414 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21415 to step through CC modes.
21417 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21419 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21420 it would end up in the shadow of a live flags regsiter.
21422 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21424 * reload1.c: Fix many indentation problems.
21425 * reload.c: Likewise.
21427 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21429 * alias.c (non_local_reference_p): Constify fmt.
21431 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21433 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21435 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21437 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21438 the internal_arg_pointer.
21440 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21442 Merge peephole2 from new_ia32_branch:
21443 * Makefile.in (STAGESTUFF): Add *.peephole2.
21444 (mostlyclean): Likewise.
21445 (recog.o): Depend on resource.h.
21447 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21448 (final_scan_insn): Likewise for the invocation of peephole.
21449 * genconfig.c (main): Look for peephole and peephole2 patterns.
21450 Emit HAVE_peephole* accordingly.
21451 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21452 * flags.h (flag_peephole2): Declare.
21453 * toplev.c: New pass peephole2. New flag -fpeephole2.
21455 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21456 * gencodes.c (main): Likewise.
21457 * genextract.c (main): Likewise.
21458 * genoutput.c (main): Likewise.
21459 * genemit.c (max_operand_1): Look for the max scratch operand.
21460 (gen_rtx_scratch): New.
21461 (gen_exp): Use it, and pass on new arg subroutine_type.
21462 (gen_expand): Take max scratch into account.
21463 (gen_split): Emit peephole2 functions.
21464 (output_peephole2_scratch): New.
21465 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21466 * genrecog.c (routine_type): Add PEEPHOLE2.
21468 (make_insn_sequence): Match outer parallel for peep2. Discard
21469 top level scratches and dups.
21470 (add_to_sequence): New args insn_type and top. Update all callers.
21471 Handle toplevel peep2 matching insns.
21472 (write_subroutine): Handle peep2.
21473 (write_tree_1): Likewise.
21474 (write_tree): Likewise.
21476 (change_state): New arg afterward. Update all callers.
21477 Handle matching separate insns.
21478 * recog.c (recog_next_insn): New.
21479 (peephole2_optimize): New.
21480 * rtl.def (DEFINE_PEEPHOLE2): New.
21481 * resource.c (find_free_register): New argument last_insn. Use it
21482 to find a register available through the entire span.
21483 * resource.h (find_free_register): Update prototype.
21485 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21487 * i386.c (output_strlen_unroll): Don't write xops[7]
21488 label if it wasn't set.
21490 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21492 * cpplib.c (struct directive): Const-ify name pointer and
21493 function pointer prototype.
21494 (validate_else, do_define, do_line, do_include, do_undef,
21495 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21496 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21497 do_warning): Const-ify second arg.
21498 (directive_table): Mark const. Reorder entries by frequency
21499 of usage, record statistics.
21501 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21503 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21504 bounds- check RTL accesses if --enable-checking.
21505 (RTVEC_ELT): Bounds check if --enable-checking.
21506 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21507 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21508 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21510 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21511 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21513 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21514 (NOTE_SOURCE_FILE): Use X0STR.
21515 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21516 MEM_ALIAS_SET): Use X0INT.
21517 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21518 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21520 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21521 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21522 (rtl_check_failed_bounds, rtl_check_failed_type1,
21523 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21525 (fancy_abort): Fix comment.
21527 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21528 (cse_insn): Decrement LABEL_NUSES for jump target before
21529 deleting jump insn.
21530 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21531 * final.c (alter_subreg): Compute regno before changing x to
21532 REG; set REGNO(x) after changing it.
21533 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21534 notes containing CONST_INTs.
21535 (delete_eh_regions): Use NOTE_EH_HANDLER.
21536 * function.c (put_reg_into_stack): Make reg a MEM before
21538 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21540 (gen_mem_addressof): Make reg a MEM before initializing it.
21541 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21543 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21544 deleting an insn, not after.
21545 (block_alloc): Only look at PATTERN(insn) if we have to, and
21546 only if it's format class 'i'.
21547 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21548 CONST_INT before using its INTVAL.
21549 * print-rtl.c (print_rtx): Use X0STR.
21550 * regmove.c (fixup_match_1): Don't look at PATTERN of
21551 non-class-'i' insn chain elements.
21552 * reload.c (loc_mentioned_in_p): Take address of
21553 in->fld[1].rtx directly.
21554 * reload1.c (reload): Change reg to a MEM before initializing
21556 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21558 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21560 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21562 * config/mips/mips.c (machine_dependent_reorg): Force a
21563 barrier to output the local constant pool if a barrier hasn't
21564 been found at a natural point in the instruction stream.
21566 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21568 * c-parse.in (language_string): Constify.
21570 * dwarf2out.c (language_string): Remove declaration.
21572 * dwarfout.c (language_string): Likewise.
21574 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21576 * tree.h (language_string, init_parse, finish_parse): Declare.
21578 * i386/sun386.h (language_string): Remove declaration.
21580 * mips.h (language_string): Likewise.
21582 * nextstep.h (language_string): Likewise.
21584 * nextstep21.h (language_string): Likewise.
21586 * rs6000.c (language_string): Likewise.
21588 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21590 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21591 (getpwd.o): Remove target.
21593 * getpwd.c: Delete file. Its in libiberty now.
21595 * dbxout.c (getpwd): Don't prototype.
21596 * dwarf2out.c (getpwd): Likewise
21597 * dwarfout.c (getpwd): Likewise
21598 * final.c (getpwd): Likewise.
21599 * protoize.c (getpwd): Likewise.
21601 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21603 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21605 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21607 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21608 mark_set_resources.
21610 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21612 * fixinc/Makefile.in (subdir): New.
21613 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21616 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21618 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21619 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21622 * invoke.texi: Fix typo.
21624 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21625 changed. Handle autoincrement addressing modes.
21627 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21628 just like we would the virtual incoming args register when
21631 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21633 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21634 path, in .file directive.
21636 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21638 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21641 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21643 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21646 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21648 * tree.c (tree_code_name): Constify a char*.
21650 * tree.h (tree_code_name, decl_printable_name): Likewise.
21652 * function.h (struct function): Likewise.
21654 * toplev.c (decl_name, decl_printable_name): Likewise.
21656 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21658 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21659 (init_objc): Remove function pointer cast.
21661 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21663 * pa.md (interspace_jump): New pattern.
21664 (builtin_longjmp): New expander.
21666 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21668 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21669 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21670 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21672 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21674 * jump.c (delete_prior_computation): Also check calls
21675 to constant functions. Don't bother checking for a
21676 REG_UNUSED note before adding it.
21677 (delete_computation): Handle multi-word hard registers
21678 when synthesizing missing REG_DEAD notes for a register
21679 which is both set and used by an insn.
21681 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21683 * loop.c (this_loop_info): New variable.
21684 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21685 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21687 (prescan_loop, strength_reduce): New argument loop_info. All callers
21689 (scan_loop): New variable loop_info, initialise to address of
21691 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21692 Delete variable loop_has_multiple_exit targets and replace with
21693 field in this_loop_info.
21694 (find_and_verify_loops): Rename this_loop to this_loop_num.
21695 (strength_reduce): Delete loop_iteration_info. Replace variable
21696 loop_info with function argument of same name.
21697 (insert_bct): Rework test for loop being completely unrolled.
21699 * loop.h (struct loop_info): New fields num, loops_enclosed,
21700 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21701 has_indirect_jump, and cont. Redefine use of unroll_number.
21702 (loop_unroll_number): Delete.
21704 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21705 field of loop_info.
21706 (loop_iterations): Delete variable vtop and instead use
21707 loop_info->vtop computed in prescan_loop.
21709 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21711 * fix-header.c (main): Do not pass a null pointer to strcmp.
21713 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21715 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21717 * configure: Rebuilt.
21719 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21721 * jump.c (jump_optimize_1): Do not delete assignments to
21722 internal_arg_pointer.
21723 * cse.c (delete_trivially_dead_insns): Always consider a set of
21724 the internal_arg_pointer live.
21726 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21728 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21729 (update_life_info) [REG_WAS_0]: Search the original insns rather
21730 than the new insns for the note. Fix typos finding note_dest.
21731 If no dest found, discard the note rather than abort.
21732 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21733 (replace_insns): Remove the old insn list after update_life_info
21736 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21738 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21739 sched_analyze_insn.
21740 (sched_analyze_1): Let add_dependence care for not adding dups.
21741 (sched_analyze_2): Likewise.
21742 (add_branch_dependences): Likewise.
21744 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21746 * i386/winnt.c (export_list): New type.
21747 (exports_head): Rename to
21748 (export_head): this.
21749 (i386_pe_record_exported_symbol): Add is_data flag.
21750 (i386_pe_asm_file_end): Emit directive for exported variables.
21751 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21753 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21754 (ASM_DECLARE_OBJECT_NAME): Likewise.
21755 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21756 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21758 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21760 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21762 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21765 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21767 * config/openbsd.h: Define SET_ASM_OP.
21768 * tm.texi: cross-reference SET_ASM_OP in the index.
21770 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21772 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21773 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21774 and class_narrowest_mode at compile time. Kill init_rtl.
21775 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21776 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21777 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21779 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21781 * rtl.h: Declare rtx_length and rtx_format as const.
21782 * machmode.def: Define CC(). Use CC() to define CCmode. If
21783 EXTRA_CC_MODES is defined, expand it here.
21784 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21785 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21786 const. Kill all references to EXTRA_CC_MODES.
21788 * toplev.c: Don't prototype or call init_rtl.
21789 * optabs.c: Don't call init_mov_optab.
21790 * genemit.c: Don't generate init_mov_optab. Don't call
21792 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21794 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21795 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21796 genrecog.c: Don't call init_rtl.
21798 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21799 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21800 definition of EXTRA_CC_MODES.
21802 * md.texi: Kill ref to EXTRA_CC_NAMES.
21803 * tm.texi: Document new way to define EXTRA_CC_MODES.
21805 * genrecog.c: Do not look up the name of a define_split.
21806 (Unrelated bugfix.)
21808 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21810 * config/v850/v850.md: Fix typo introduced by previous delta.
21812 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21814 * gcc.c (fatal): Make definition static to match prototype.
21816 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21818 * combine.c (get_last_value): Don't look for earlier sets if the last
21819 known set is somewhere in between the insns being combined.
21821 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21823 * configure.in: Don't use shell ! to negate exit codes
21824 * configure: Regenerate
21826 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21828 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21829 the fact that ALIGN is measured in bits, not bytes.
21831 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21833 * errors.c: New file; defines functions error, warning, and
21834 fatal, variables have_error and progname.
21835 * errors.h: New file; prototypes and decls for stuff in errors.c.
21837 * Makefile: Add rules to build errors.o and
21838 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21839 genopinit, genrecog, genextract, genpeep, genattr, and
21840 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21841 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21842 genpeep.o, genattr.o, and genoutput.o.
21844 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21845 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21846 define or prototype fatal. Set progname at beginning of main.
21847 * genoutput.c: Likewise, and don't define or prototype error
21850 * c-typeck.c (c_expand_start_case): Return immediately if exp
21852 * fold-const.c (operand_equal_p): Return immediately if arg1
21853 or arg0 are ERROR_MARKs.
21854 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21855 fields of type ERROR_MARK when calculating if the record can
21858 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21859 with much help from Jeffrey A Law and Richard Henderson
21861 * i386.md: In the 6 insns which call output_fix_trunc,
21862 earlyclobber operands[0].
21864 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21866 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21867 creating new registers.
21869 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21871 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21872 i386_reg_alloc_order, i386_regparm_string,
21873 i386_align_loops_string, i386_align_jumps_string,
21874 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21875 and i386_branch_cost_string as type "const char *".
21876 * i386.c: Define all above strings as type "const char *".
21878 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21880 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21881 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21883 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21885 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21886 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21888 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21890 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21891 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21892 (dwarf2out_line, dwarf2out_finish): Likewise.
21893 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21895 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21897 * tree.c (lang_unsave_expr_now) : Correct return type.
21898 * tree.h (lang_unsave_expr_now) : Same.
21900 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21902 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21903 instead of duplicating code.
21905 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21907 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21909 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21911 * tree.h: fancy_abort always takes three args.
21912 * resource.c: Move include of system.h before toplev.h.
21914 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21916 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21919 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21921 * system.h: Don't redefine abort or trim_filename.
21922 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21923 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21924 whether or not __FUNCTION__ is available.
21925 * tree.h: Duplicate rtl.h's definition of abort, for files
21926 that don't include rtl.h. Delete all code to perform type
21927 checking with a compiler other than GCC.
21928 * varray.h: Delete all code to perform type checking with a
21929 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21930 its arguments exactly once, using a statement expression.
21931 Adjust the VARRAY_<type> accessor macros to match.
21932 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21933 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21934 caller's location. Define fatal_insn and fatal_insn_not_found
21935 as macros that use _fatal_insn and _fatal_insn_not_found.
21936 (fancy_abort, trim_filename): Kill prototypes.
21938 * rtl.c (trim_filename): Move here from toplev.c.
21939 (fancy_abort): New function.
21940 (DIR_SEPARATOR): Provide default definition.
21941 * tree.c (tree_check_failed, tree_class_check_failed): Go
21942 through fancy_abort.
21943 (tree_check, tree_class_check, cst_or_constructor_check,
21944 expr_check): Delete.
21945 * varray.c (varray_check_failed): New function.
21946 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21947 _fatal_insn and _fatal_insn_not_found. Go through
21949 (trim_filename, fancy_abort): Delete.
21951 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21952 * except.c (start_catch_handler): Report ICE with error/abort
21954 * final.c (output_operand_lossage): Likewise.
21955 * flow.c (verify_flow_info): Likewise.
21957 * gcc.c: Prototype fatal.
21958 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21959 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21960 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21961 Don't define fancy_abort.
21963 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21965 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21968 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21970 * m88k.h (VERSION_INFO2): Kill.
21971 (VERSION_STRING): Kill.
21973 (VERSION_INFO1): Tidy.
21974 (TARGET_VERSION): Update.
21975 * m88k/dgux.h (VERSION_INFO2): Kill.
21976 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21977 * m88k/luna.h (VERSION_INFO1): Tidy.
21978 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21979 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21980 (output_file_start): Adjust for death of VERSION_STRING.
21982 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21984 * cpplib.c (detect_if_not_defined): New function.
21985 (do_if): Use it to detect potential once-only headers.
21987 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21989 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21991 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21993 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21994 anywere in the function only if they are pseudos and set before
21995 being used (not live at the start of the function).
21996 (num_sign_bit_copies) : Same.
21997 (get_last_value_validate) : Same.
21998 (get_last_value) : Same.
22000 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22002 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22003 where N and M are constant and N is an integer multiple of M.
22005 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22007 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22008 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22009 sbitmap_union_of_preds): Add prototypes.
22010 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22011 the intersection of successors with the new flow graph structures.
22012 (sbitmap_intersection_of_preds): New function to compute the
22013 intersection of predecessors with the new flow graph structures.
22014 (sbitmap_union_of_succs): New function to compute the union of
22015 successors with the new flow graph structures.
22016 (sbitmap_union_of_preds): New function to compute the union of
22017 predecessors with the new flow graph structures.
22018 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22019 (expr_reaches_here_p): Use edge and basic_block structures instead
22020 of s_preds and s_succs.
22021 (compute_cprop_avinout): Use new sbitmap routines.
22022 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22023 of s_preds and s_succs.
22024 * flow.c (compute_flow_dominators): Compute dominators using
22025 edges and basic blocks instead of s_preds and s_succs.
22027 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22029 * lists.c (unused_insn_list, unused_expr_list): New file for
22030 maintaining various types of lists. New statics for maintaining a
22031 cache of available INSN_LIST and EXPR_LIST nodes.
22032 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22033 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22034 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22035 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22036 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22037 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22038 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22039 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22040 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22041 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22042 (remove_dependence, free_pending_lists): Use new global routines.
22043 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22044 (sched_analyze, compute_block_backward_dependences): Use new routines.
22045 (sched_analyze_1, sched_analyze_2): Use new routines.
22046 (schedule_insns): Use new global routines.
22047 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22049 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22050 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22052 * toplev.c (rest_of_compilation): Initialize node cache.
22053 * Makefile.in (OBJS): Add lists.o to list of object files.
22054 (lists.o): Add dependancies.
22056 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22058 * config/v850/v850.md: Fix compile time warning messages.
22059 * config/v850/v850.c: Fix compile time warning messages.
22060 * config/v850/v850.h: Fix compile time warning messages.
22062 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22064 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22065 Remove unused prototype for `init_lengths'.
22067 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22069 * calls.c (emit_call_1): Mark parameter `stack_size' with
22071 (expand_call): Initialize variable `insn'.
22072 (emit_library_call): Likewise for variable `high_to_save'.
22073 (emit_library_call_value): Likewise.
22074 (store_one_arg): Likewise for variables `lower_bound' and
22077 * combine.c (try_combine): Likewise for variables `i2_code_number'
22078 and `other_code_number'.
22079 (find_split_point): Likewise for variables `pos', `unsignedp' and
22081 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22082 (simplify_and_const_int): Remove unused variable `width'.
22083 (merge_outer_ops): Likewise.
22085 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22086 HOST_WIDE_INT' when comparing against one.
22087 (simplify_relational_operation): Likewise.
22088 (cse_insn): Initialize variables `src_eqv_volatile',
22089 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22091 * final.c (init_final): Constify parameter `filename'.
22092 (final_start_function): Mark parameter `optimize' with
22094 (profile_function): Likewise for parameters `first' and `optimize'.
22095 (output_source_line): Likewise for parameter `file'.
22097 * integrate.c (subst_constants): Cast a value to `size_t' when
22098 comparing against one.
22099 (mark_stores): Initialize variable `mode'. Cast a value to
22100 `size_t' when comparing against one.
22102 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22104 * loop.c (move_movables): Initialize variable `first'.
22105 (strength_reduce): Likewise for variable `increment'.
22106 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22107 value to `size_t' when comparing against one.
22108 (load_mems): Initialize variable `end_label'.
22110 * output.h (init_final): Constify parameter.
22112 * reload.c (decompose): Initialize variable `base'.
22114 * reload1.c (reload): Likewise for variable `is_scalar'.
22115 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22116 (choose_reload_regs): Initialize variable `mode'.
22117 (emit_reload_insns): Likewise for variable `store_insn'.
22118 (reload_cse_noop_set_p): Mark parameter `insn' with
22120 (reload_combine): Initialize variable `set'.
22122 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22123 (copy_loop_body): Cast a value to `size_t' when comparing against
22126 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22127 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22128 (remove_from_pending_weak_list): Mark parameter `name' with
22131 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22133 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22136 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22138 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22139 (ASM_DECLARE_FUNCTION_NAME): Define.
22140 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22141 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22142 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22143 not already defined.
22145 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22147 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22148 of n_popped when call/call_value are not defined.
22150 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22152 * tm.texi: GNU CC -> GCC conversion.
22153 (CC1_SPEC): Indicate it is used for all language front ends.
22155 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22157 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22158 NOTE_INSN_EH_REGION_END correctly.
22160 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22161 Jeff Law <law@cygnus.com>
22163 * loop.c (strength_reduce): Automatically unroll loops if the
22164 unrolled loop size is smaller than the rolled loop size.
22166 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22167 and delete comment that code should be rewritten.
22169 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22171 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22174 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22176 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22178 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22179 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22180 (LINK_SPEC): Add -u _main when building executables.
22181 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22182 (ASM_FILE_END): Use the default for ix86-pe.
22183 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22185 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22187 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22188 and ASM_CLOSE_PAREN are empty strings.
22190 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22191 Geoffrey Keating <geoffk@cygnus.com>
22193 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22194 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22195 (unprotoize.o): Ditto.
22196 (test-protoize-simple): Don't define STD_PROTO_DIR.
22197 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22198 changes to make 'test-protoize-simple' pass.
22199 (STD_PROTO_DIR): Remove define.
22200 (STANDARD_EXEC_PREFIX): Supply default define.
22201 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22202 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22203 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22204 (GET_ENV_PATH_LIST): New macro.
22205 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22206 (do_processing): Initialize default_syscalls_dir using new
22207 macros. Use it to initialize syscalls_absolute_filename.
22209 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22211 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22212 B into a register before emit_conditional_move.
22214 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22216 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22217 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22218 multiplicand out of (+ (* a b) (* c d)).
22220 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22221 Richard Henderson <rth@cygnus.com>
22223 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22224 (new_insn_dead_notes): Likewise.
22225 (update_n_sets): Likewise.
22226 (update_flow_info): Move to flow.c, renamed to update_life_info;
22227 extend to handle multiple source insns.
22228 * flow.c: Include resource.h
22229 (unlink_insn_chain): New.
22230 (split_hard_reg_notes): New.
22231 (maybe_add_dead_note): New.
22232 (maybe_add_dead_note_use): New.
22233 (find_insn_with_note): New.
22234 (new_insn_dead_notes): New.
22235 (update_n_sets): New.
22236 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22237 (maybe_remove_dead_notes): New.
22238 (update_life_info): New.
22239 (prepend_reg_notes): New.
22240 (replace_insns): New.
22241 * output.h (update_life_info): Declare.
22242 * recog.c (split_block_insns): Use update_life_info.
22243 * resource.c (find_free_register): Use reg_alloc_order, don't use
22244 fixed regs, make sure the mode is supported, don't use new regs.
22246 * rtl.h (replace_insns): Declare.
22248 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22250 * expr.c (expand_expr): Cope with COND_EXPRs with one
22251 non-returning branch.
22253 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22255 * expr.c (store_expr): Always pass down the target, even when not
22258 1999-08-24 Nick Clifton <nickc@cygnus.com>
22260 * configure.in: Define target_cpu_default for v850 targets.
22261 * configure: Regenerate
22263 * config/v850/v850.h (TARGET_CPU_generic): Define.
22264 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22265 addresses are 4 byte aligned.
22267 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22270 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22272 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22273 (main): Add prototypes.
22275 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22276 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22277 (write_attr_get): Emit prototypes along with function definition.
22278 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22279 (write_complex_function): Emit static prototype along with
22280 function definition.
22282 * genemit.c (gen_split): Emit prototypes along with function
22285 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22286 Likewise for predicates and `insn_operand_predicate'.
22287 (process_template): Emit static prototype along with function
22290 * genrecog.c (make_insn_sequence): Constify a char*. Add
22291 prototypes for get_split_*().
22292 (write_subroutine): Emit prototypes along with function
22295 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22297 * gcse.c (find_avail_set): Follow chains of register-register copies.
22298 Use oprs_not_set_p to guarantee that the returned value can be
22300 (cprop_insn): Don't verify the return value of find_avail_set with
22303 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22304 (cprop_cc0_jump): New function.
22305 (cprop_insn): Break out new function cprop_jump and use it.
22306 Also use cprop_cc0_jump for machines with CC0.
22307 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22309 * tree.h (current_function_calls_setjmp,
22310 current_function_calls_longjmp): Delete declarations.
22311 * dsp16xx.c: Include "function.h".
22312 * elxsi.c: Likewise.
22313 * gmicro.c: Likewise.
22314 * h8300.c: Likewise.
22315 * i370.c: Likewise.
22316 * m32r.c: Likewise.
22317 * mn10200.c: Likewise.
22318 * mn10300.c: Likewise.
22319 * ns32k.c: Likewise.
22320 * spur.c: Likewise.
22321 * v850.c: Likewise.
22323 * rtl.h (rtx_equal_function_value_matters): Declare.
22324 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22326 * function.c: Likewise.
22327 * emit-rtl.c: Likewise.
22329 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22331 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22334 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22336 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22339 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22341 * cpp.texi: Add a node documenting macro varargs (copied
22344 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22346 * cppspec.c: Put a null pointer at the end of the new argv.
22348 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22350 * configure.in: Remove code to select/de-select the haifa
22351 scheduler. Every scheduled port gets haifa now.
22352 * configure: Rebuilt.
22353 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22355 * Makefile.in: Corresponding changes.
22357 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22359 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22360 All callers changed.
22361 (prepare_float_lib_cmp): Likewise.
22362 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22363 * expr.h (emit_float_lib_cmp): Delete declaration.
22364 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22365 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22366 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22368 (cmptf): Now conditional on TARGET_HARD_QUAD.
22370 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22372 * resource.c (mark_target_live_regs): Use
22373 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22375 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22377 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22379 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22381 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22383 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22385 * rtl.h (rtx_format): Constify a char*.
22387 * rtl.c (rtx_format): Likewise.
22388 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22389 (init_rtl): Use accessor macro, not `rtx_format'.
22391 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22394 * caller-save.c (mark_referenced_regs): Likewise.
22396 * combine.c (subst, make_compound_operation, known_cond,
22397 gen_rtx_combine, update_table_tick, get_last_value_validate,
22398 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22400 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22401 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22402 count_reg_usage): Likewise.
22404 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22407 * final.c (leaf_renumber_regs_insn): Likewise.
22409 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22410 dump_edge_info, count_reg_references): Likewise.
22412 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22413 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22416 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22417 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22418 add_label_notes): Likewise.
22420 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22421 clear_struct_flag, count_sub_rtxs, count_alternatives,
22422 compares_alternatives_p, contained_in_p, walk_attr_value,
22423 write_expr_attr_cache): Likewise.
22425 * genconfig.c (walk_insn_part): Likewise.
22427 * genemit.c (max_operand_1, gen_exp): Likewise.
22429 * genextract.c (walk_rtx): Likewise.
22431 * genflags.c (num_operands): Likewise.
22433 * genoutput.c (scan_operands): Likewise.
22435 * genpeep.c (match_rtx): Likewise.
22437 * genrecog.c (add_to_sequence): Likewise.
22439 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22442 * integrate.c (save_constants, copy_for_inline,
22443 copy_rtx_and_substitute, subst_constants, restore_constants):
22446 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22447 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22449 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22452 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22453 add_label_notes, replace_call_address, count_nonfixed_reads,
22454 invariant_p, find_single_use_in_loop, find_mem_givs,
22455 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22458 * print-rtl.c (reg_names, print_rtx): Likewise.
22460 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22462 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22463 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22464 print_blocks): Likewise.
22466 * regclass.c (fix_register, record_address_regs,
22467 reg_scan_mark_refs): Likewise.
22469 * regmove.c (stable_but_for_p): Likewise.
22471 * reload.c (loc_mentioned_in_p, operands_match_p,
22472 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22473 copy_replacements, refers_to_regno_for_reload_p,
22474 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22475 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22478 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22479 delete_address_reloads_1, count_occurrences,
22480 reload_cse_mem_conflict_p, reload_combine_note_use,
22481 add_auto_inc_notes): Likewise.
22483 * resource.c (mark_referenced_resources, mark_set_resources):
22486 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22487 reg_mentioned_p, regs_set_between_p, modified_between_p,
22488 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22489 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22490 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22491 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22493 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22495 * stupid.c (stupid_mark_refs): Likewise.
22497 * unroll.c (remap_split_bivs): Likewise.
22499 * varasm.c (mark_constants): Likewise.
22501 * a29k/a29k.c (uses_local_reg_p): Likewise.
22503 * alpha/alpha.c (summarize_insn): Likewise.
22505 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22506 eliminate_lr2ip): Likewise.
22508 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22510 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22511 reg_mentioned_in_mem): Likewise.
22513 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22514 symbolic_reference_mentioned_p): Likewise.
22516 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22518 * sh/sh.c (regs_used, mark_use): Likewise.
22520 * vax/vax.c (vax_rtx_cost): Likewise.
22522 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22524 * machmode.h (mode_name): Constify a char*.
22526 * rtl.c (mode_name): Likewise.
22528 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22530 * optabs.c (init_libfuncs): Constify a char*.
22532 * print-tree.c (mode_name): Remove redundant declaration.
22533 (print_node): Use accessor macro, not `mode_name'.
22535 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22537 (new_spill_reg): Constify a char*.
22539 * tree.c (mode_name): Remove redundant declaration.
22541 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22543 * rtl.c (rtx_name): Constify a char*.
22545 * rtl.h (rtx_name, fix_sched_param): Likewise.
22547 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22548 (mypr): Use accessor macro, not `rtx_name'.
22550 * genemit.c (print_code): Constify a char*.
22552 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22554 * genpeep.c (print_code): Constify a char*.
22556 * genrecog.c (print_code): Likewise.
22558 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22559 end_bb): Add static prototype.
22560 (draw_edge): Constify a char*.
22561 (end_bb): Remove unused parameter.
22563 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22564 print_block_visualization): Constify a char*.
22566 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22568 * c-common.c (c_get_alias_set): Update comment.
22570 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22572 * linux.h (LIB_SPEC): Added.
22574 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22576 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22578 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22580 * tree.c (expr_check): Fix typo in last change.
22582 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22584 * rtl.def (NOTE): Change format to "iuu0n".
22585 (ADDR_DIFF_VEC): Change format to "eEee0".
22586 (ADDRESSOF): Change format to "eit".
22588 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22589 (RTVEC_ELT): Change to match.
22590 (XVECEXP): Use XVEC and RTVEC_ELT.
22591 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22592 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22593 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22594 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22595 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22596 (INTVAL): Use XWINT.
22597 (ADDRESSOF_DECL): Use XTREE.
22598 (SET_ADDRESSOF_DECL): Delete.
22599 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22600 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22601 ifdefed out since 2.6 at least.
22602 (gen_rtvec_vv): Delete prototype.
22604 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22606 (copy_most_rtx): Handle 't' format letter.
22607 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22608 (gen_rtvec_vv): Delete function. All callers changed to use
22609 gen_rtvec_v instead.
22610 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22611 the '0' format letter.
22613 * function.c (gen_mem_addressof): Don't use
22614 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22616 * integrate.c (copy_rtx_and_substitute): Likewise.
22617 Copy 't' slots with XTREE.
22618 (subst_constants): Treat 't' slots like '[swi]' slots.
22619 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22620 * jump.c (rtx_equal_for_thread_p): Likewise.
22621 * rtlanal.c (rtx_equal_p): Likewise.
22622 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22623 only four arguments.
22624 * gengenrtl.c (type_from_format): Provide correct types for
22628 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22629 If a recent gcc is in use (always in stage2 and beyond), use
22630 statement expressions, so we don't make a function call unless
22631 the check fails. Evaluate arguments exactly once.
22632 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22633 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22635 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22636 they evaluate their arguments exactly once, irrespective of
22637 the compiler in use.
22639 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22640 is used by the currently-enabled check macros. This is:
22641 (tree_check_failed, tree_class_check_failed): For gcc.
22642 (tree_check, tree_class_check, cst_or_constructor_check,
22643 expr_check): For other compilers.
22645 * gencheck.c: Do not define any *_CHECK1 macros.
22647 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22648 Mark Mitchell <mark@codesourcery.com>
22650 * c-common.c (c_get_alias_set): Fix support for poitners and
22653 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22655 * alias.c: Include tree.h.
22656 (nonlocal_reference_p, mark_constant_function): New functions.
22657 * flow.c (life_analysis): Call mark_constant_function.
22658 * rtl.h (mark_constant_function): Declare it.
22660 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22662 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22663 unrecognisable switches.
22665 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22667 * loop.c (recombine_givs): Set ix field after sorting.
22668 (recombine_givs): Remove bogus index / giv lockstep looping.
22670 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22672 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22674 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22675 (do_cmp_and_jump): Formatting fixes.
22676 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22677 do_compare_rtx_and_jump instead of compare_from_rtx.
22678 (do_compare_rtx_and_jump): New function; mostly copied from
22680 (do_jump_for_compare): Delete.
22681 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22683 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22684 of compare/do_jump_for_compare pairs.
22685 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22686 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22687 compare_from_rtx/do_jump_for_compare pairs.
22688 (do_jump_by_parts_equality): Likewise.
22689 (do_jump_by_parts_equality_rtx): Likewise.
22690 * expr.h (do_compare_rtx_and_jump): Declare.
22691 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22692 that used to be in emit_cmp_insn.
22693 (cmp_available_p): New function.
22694 (prepare_operand): New function.
22695 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22696 to be in emit_cmp_insn.
22697 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22698 parameters to be pointers; don't emit final compare but modify some of
22699 the values pointed to by the args so the caller can perform the
22700 correct comparison.
22701 (expand_binop): Call emit_store_flag_force with signed forms of
22703 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22704 emit_jump_insn pair.
22705 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22706 emit_cmp_and_jump_insn_1. Call emit_queue.
22707 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22709 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22710 jump sets cc0 before deleting it.
22711 * integrate.c (expand_inline_function): Likewise.
22712 * unroll.c (unroll_loop): Similar changes in several places.
22713 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22714 before deleting it.
22716 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22718 * Makefile.in (insn-recog.o): Update dependencies.
22719 * genrecog.c (main): Make generated file include "function.h".
22721 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22723 * cse.c (cse_insn): Call never_reached_warning when a jump is
22724 changed to be unconditional.
22725 * flags.h: Declare warn_notreached.
22726 * flow.c (delete_block): Call never_reached_warning when
22727 a block is deleted.
22728 * jump.c (delete_barrier_successors): Call never_reached_warning
22729 when we delete everything after a BARRIER.
22730 (never_reached_warning): New function.
22731 * rtl.h: Declare never_reached_warning.
22732 * toplev.c (warn_notreached): New variable.
22733 (lang_independent_options): Set warn_notreached
22734 when -Wunreachable-code.
22735 (compile_file): We need line numbers for -Wunreachable-code.
22737 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22739 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22740 * sched.c (insn_unit): Likewise.
22742 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22744 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22746 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22748 * flow.c (create_edge_list): Use xmalloc, not malloc.
22750 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22752 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22753 C-style comments. Do not lose the character before double slash.
22755 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22757 * basic-block.h (struct edge_list): Stucture to maintain a vector
22759 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22760 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22761 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22762 New function prototypes.
22763 * flow.c (create_edge_list): Function to create an edge list.
22764 (free_edge_list): Discards memory used by an edge list.
22765 (print_edge_list): Debug output showing an edge list.
22766 (verify_edge_list): Internal consistency check for an edge list.
22767 (find_edge_index): Function to find an edge index for a pred and succ.
22769 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22771 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22774 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22776 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22778 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22780 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22782 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22784 * toplev.c (rest_of_compilation): Allow machine dependent
22785 reorganisation pass to place information into the RTL dump
22786 file if it so wishes.
22788 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22790 * explow.c (hard_function_value): Use VOIDmode instead of
22792 * stmt.c (expand_return): Likewise.
22793 * stor-layout.c (get_best_mode): Likewise.
22795 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22796 emit call instead of emit_insn call.
22798 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22800 * configure.in: Handle --disable/enable-win32-registry.
22801 * install.texi: Document --disable/enable-win32-registry.
22802 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22803 (WIN32_REGISTRY_KEY): New macro.
22804 * prefix.c: Use to enable/disable win32-specific code.
22805 (lookup_key): Use versioned key.
22806 * configure: Regenerate.
22807 * config.in: Likewise.
22809 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22811 * cpplib.c (read_line_number): New fn, split out of...
22814 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22816 tree.c (lang_unsave_expr_now) : New.
22817 (unsave_expr_now): Call lang_unsave_expr_now.
22818 tree.h (lang_unsave_expr_now) : New.
22820 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22822 * toplev.c (flag_new_exceptions): On by default.
22824 1999-08-13 Michael Meissner <meissner@cygnus.com>
22826 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22828 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22830 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22831 INTEGER_TYPE with precision==1, it's __java_boolean.
22833 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22835 * global.c (prune_preferences): Move some invariants out of the
22838 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22840 * configure.in (alpha*-dec-osf*): Add osf5.
22842 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22844 * configure.in: Rework handling of ARM GNU/Linux slightly.
22845 (arm*-*-linux-gnuoldld): New target.
22846 * configure: Regenerate.
22847 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22848 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22849 * config/arm/linux-oldld.h: New file.
22850 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22851 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22853 * config/arm/linux-elf.h (ASM_SPEC): Define.
22854 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22855 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22856 for 26-bit APCS and old linker.
22857 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22859 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22860 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22861 don't define `arm' or `arm_elf'.
22862 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22863 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22865 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22867 * rtl.texi: Fix typo.
22869 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22871 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22873 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22875 * extend.texi (C++ Signatures): Remove node.
22876 * invoke.texi: Remove discussion of -fhandle-signatures,
22877 signature, sigof, __signature__, and __sigof__.
22879 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22881 * Makefile.in (JAVAGC): Removed.
22883 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22885 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22887 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22889 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22891 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22893 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22894 a register that is already known to be a pointer.
22896 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22898 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22899 * fixinc/inclhack.sh: Regenerated.
22900 * fixinc/fixincl.sh: Regenerated.
22902 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22904 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22905 Fix documentation of -ansi flag to describe its C++ behavior.
22906 Remove bogus reference to GCC 2.9.
22908 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22910 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22911 note if it is non-NULL.
22913 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22915 * except.h (eh_nesting_info): Add new structure defintion.
22916 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22917 (reachable_handlers, update_rethrow_references): Add function
22919 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22920 a rethrow symbol instead of an integer exception region number.
22921 * flow.c (Make_edges): Use new exception nesting routines to determine
22922 which handlers are reachable from a CALL or asynchronous insn.
22923 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22925 (delete_eh_regions): Update rethrow labels, and don't delete
22926 regions which are the target of a rethrow.
22927 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22928 avoid overloading the SYMBOL_REF_USED flag.
22929 (rethrow_symbol_map): Use new rethrow_ref field.
22930 (rethrow_used): Use new rethrow_ref field.
22931 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22932 of an integer. Fix formatting.
22933 (output_exception_table_entry): Use new rethrow_ref field.
22934 (can_throw): Check for EH_REGION_NOTE before deciding
22935 whether a CALL can throw or not.
22936 (scan_region): Call rethrow_used() instead of accessing data structure.
22937 (update_rethrow_references): New function to make sure only regions
22938 which are still targets of a rethrow are flagged as such.
22939 (process_nestinfo): New static function to initialize a handler
22940 list for a specific region.
22941 (init_eh_nesting_info): New function to allocate and initialize
22942 the list of all EH handlers reachable from all regions.
22943 (reachable_handlers): New function to retrieve the list of handlers
22944 reachable from a specific region and insn.
22945 (free_eh_nesting_info): New function to dispose of a list of
22946 reachable handlers.
22948 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22950 * flow.c (split_edge): Set JUMP_LABEL field.
22951 (commit_one_edge_insertion): Set head correctly for insert_before.
22952 When inserting insns, update insn block numbers if allocated.
22954 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22956 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22957 retry_incomplete_types): Add static prototype.
22958 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22959 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22960 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22961 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22962 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22965 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22966 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22968 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22970 * output.h (assemble_name): Constify a char*.
22972 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22973 assemble_variable, assemble_name): Likewise.
22975 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22977 * arm/pe.c (arm_pe_unique_section): Likewise.
22979 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22981 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22983 * i386/interix.c (i386_pe_unique_section): Likewise.
22985 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22987 * i386/winnt.c (i386_pe_unique_section): Likewise.
22989 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22991 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22993 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22995 * pa/pa.c (output_call): Likewise.
22997 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22999 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23001 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23004 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23007 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23009 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23010 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23012 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23014 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23016 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23018 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23020 * tree.h (lang_identify): Constify a char*.
23021 (print_error_function): Add extern prototype. Constify a char*.
23023 * c-lang.c (lang_identify): Constify a char*.
23025 * objc/objc-act.c (lang_identify): Constify a char*.
23027 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23029 * genpeep.c (main): Make generated file include "function.h".
23030 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23032 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23034 * Makefile.in: Update dependencies.
23035 * alias.c: Include "function.h"
23036 * c-decl.c: Likewise.
23037 * caller-save.c: Likewise.
23038 * calls.c: Likewise.
23039 * combine.c: Likewise.
23041 * explow.c: Likewise.
23042 * final.c: Likewise.
23043 * global.c: Likewise.
23044 * graph.c: Likewise.
23045 * local-alloc.c: Likewise.
23046 * loop.c: Likewise.
23047 * optabs.c: Likewise.
23048 * profile.c: Likewise.
23049 * recog.c: Likewise.
23050 * regclass.c: Likewise.
23051 * regmove.c: Likewise.
23052 * reload.c: Likewise.
23053 * reorg.c: Likewise.
23054 * resource.c: Likewise.
23055 * sched.c: Likewise.
23056 * stupid.c: Likewise.
23057 * config/1750a/1750a.c: Likewise.
23058 * config/a29k/a29k.c: Likewise.
23059 * config/arc/arc.c: Likewise.
23060 * config/arm/arm.c: Likewise.
23061 * config/arm/thumb.c: Likewise.
23062 * config/c4x/c4x.c: Likewise.
23063 * config/clipper/clipper.c: Likewise.
23064 * config/convex/convex.c: Likewise.
23065 * config/fx80/fx80.c: Likewise.
23066 * config/i860/i860.c: Likewise.
23067 * config/m68k/m68k.c: Likewise.
23068 * config/m88k/m88k.c: Likewise.
23069 * config/mips/mips.c: Likewise.
23070 * config/pdp11/pdp11.c: Likewise.
23071 * config/pyr/pyr.c: Likewise.
23072 * config/romp/romp.c: Likewise.
23073 * config/sh/sh.c: Likewise.
23074 * config/tahoe/tahoe.c: Likewise.
23075 * config/vax/vax.c: Likewise.
23076 * config/we32k/we32k.c: Likewise.
23077 * config/sparc/sparc.c: Include "function.h".
23078 (mem_min_alignment): Test current_function rather than
23079 regno_pointer_align.
23080 * config/pa/pa.c: Likewise.
23081 (compute_frame_size): Delete declaration of
23082 current_function_outgoing_args_size.
23083 * config/arc/arc.h (current_function_varargs): Delete declaration.
23084 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23086 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23088 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23089 current_function_uses_pic_offset_table.
23090 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23091 of current_function_returns_pointer.
23092 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23093 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23094 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23095 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23096 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23097 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23098 * config/m88k/m88k.c: Include "function.h"
23099 (call_used_regs, current_function_pretend_args_size,
23100 current_function_outgoing_args_size, frame_pointer_needed): Delete
23102 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23104 * config/mips/mips.h (current_function_calls_alloca): Delete
23106 * config/mn10200/mn10200.h (current_function_needs_context,
23107 rtx_equal_function_value_matters): Delete declarations.
23108 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23109 flag_pic): Delete declarations.
23110 * config/pa/pa.h (current_function_pretend_args_size,
23111 current_function_decl): Delete declarations.
23112 * config/pa/som.h (current_function_varargs): Delete declaration.
23113 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23115 * config/pyr/pyr.h (current_function_pretend_args_size,
23116 current_function_args_size, current_function_calls_alloca): Delete
23118 * config/sh/sh.h (current_function_varargs): Delete declaration.
23119 * config/sparc/sparc.h (current_function_outgoing_args_size,
23120 current_function_calls_alloca, current_function_decl): Delete
23122 * config/spur/spur.h (current_function_pretend_args_size,
23123 current_function_calls_alloca): Delete declarations.
23124 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23126 * config/vax/vms.h (current_function_name): Delete declaration.
23127 * gcse.c: Include "function.h".
23128 (current_function_name, current_function_calls_setjmp): Delete
23130 * haifa-sched.c: Include "function.h".
23131 (forced_labels): Delete declaration.
23132 * jump.c: Likewise.
23133 * reg-stack.c: Likewise.
23134 * reload1.c: Likewise.
23135 * genemit.c (main): Make generated file include function.h.
23136 * genoutput.c (output_prologue): Likewise.
23138 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23139 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23140 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23141 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23142 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23143 macros for some of them.
23144 (emit_filename, emit_lineno): Delete declarations.
23145 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23146 regno_pointer_* variables through current_function.
23147 (gen_inline_header_rtx): Delete function.
23148 (save_emit_status): Delete function.
23149 (set_new_last_label_num): New function.
23150 (clear_emit_caches): New function.
23151 (restore_emit_status): Just clear last_labelnum and call
23153 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23154 through macro seq_stack.
23155 (add_insn_after): Likewise.
23156 (add_insn_before): Likewise.
23157 (remove_insn): Likewise.
23158 (pop_topmost_sequence): Likewise.
23159 (in_sequence_p): Likewise.
23160 (start_sequence_for_rtl_expr): Likewise.
23161 (start_sequence): Likewise, and likewise for
23162 sequence_rtl_expr/seq_rtl_expr.
23163 (push_topmost_sequence): Likewise.
23164 (end_sequence): Likewise.
23165 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23166 All callers changed. Store into that pointer instead of globals.
23167 (init_emit): Allocate emit elt of current_function.
23168 Changes for sequence_rtl_expr/sequence_stack renaming.
23169 Call clear_emit_caches instead of doing it in-line.
23170 Access regno_pointer_* variables through current_function.
23171 (init_emit_once) Don't clear sequence_stack.
23173 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23175 (arg_pointer_save_area): Delete declaration.
23176 (finish_expr_for_function): Renamed from init_queue; no longer static.
23177 (init_expr): Don't call init_queue.
23178 (save_expr_status, restore_expr_status): Delete functions.
23179 (expand_expr): Changes to reflect new layout of struct function.
23180 Don't access current_function_check_memory_usage when current_function
23182 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23183 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23184 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23185 current_function_uses_const_pool, function_call_count,
23186 current_function_uses_pic_offset_table, nonlocal_labels,
23187 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23188 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23189 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23191 (finish_expr_for_function): Declare.
23192 * flags.h (current_function_has_nonlocal_label,
23193 current_function_has_nonlocal_goto, current_function_is_thunk,
23194 current_function_has_computed_jump): Delete declarations.
23195 * flow.c (forced_labels): Delete declaration.
23196 * function.c (current_function_pops_args,
23197 current_function_returns_struct, current_function_returns_pcc_struct,
23198 current_function_needs_context, current_function_calls_setjmp,
23199 current_function_calls_longjmp, current_function_has_nonlocal_label,
23200 current_function_has_nonlocal_goto, current_function_is_thunk,
23201 current_function_has_computed_jump, current_function_calls_alloca,
23202 current_function_contains_functions, current_function_returns_pointer,
23203 current_function_epilogue_delay_list, current_function_args_size,
23204 current_function_pretend_args_size, current_function_arg_offset_rtx,
23205 current_function_outgoing_args_size, current_function_varargs,
23206 current_function_stdarg, current_function_args_info, cleanup_label,
23207 current_function_name, current_function_uses_const_pool,
23208 current_function_instrument_entry_exit, current_function_return_rtx,
23209 current_function_uses_pic_offset_table, nonlocal_labels,
23210 current_function_internal_arg_pointer, current_function_cannot_inline,
23211 current_function_check_memory_usage, function_call_count,
23212 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23213 nonlocal_goto_stack_level, return_label, save_expr_regs,
23214 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23215 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23216 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23217 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23218 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23220 (push_function_context_to): Don't save them. Don't call
23221 save_storage_status, save_emit_status or save_expr_status.
23222 (pop_function_context_from): Don't restore them. Don't call
23223 restore_storage_status or restore_expr_status.
23224 (get_func_frame_size): New function.
23225 (get_frame_size): Use it.
23226 (assign_outer_stack_local): Reflect some member name changes in struct
23228 (put_reg_into_stack): Likewise.
23229 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23231 (fixup_var_refs): Likewise.
23232 (fix_lexical_addr): Likewise.
23233 (trampoline_address): Likewise.
23234 (prepare_function_start): Clear field inlinable of current_function.
23235 (init_function_for_compilation): New function.
23236 (expand_dummy_function_end): New function.
23237 (expand_function_end): Call finish_expr_for_function.
23238 * function.h (struct emit_status): New; fields moved here from struct
23239 function and from global variables. Add accessor macros for some of
23241 (struct expr_status): Likewise.
23242 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23243 (struct function): Add fields expr and emit, inlinable, inl_emit,
23244 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23245 inl_max_label_num. Add many comments.
23246 Add accessor macros for all elts of struct function that no longer
23247 have a global variable.
23248 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23249 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23250 stack_slot_list): Delete declarations.
23251 (get_func_frame_size): Declare.
23252 (save_expr_status, restore_expr_status, save_emit_status,
23253 save_storage_status, restore_storage_status): Delete declarations.
23254 (init_virtual_regs): Declare.
23255 * output.h (current_function_pops_args,
23256 current_function_returns_struct, current_function_returns_pcc_struct,
23257 current_function_needs_context, current_function_calls_setjmp,
23258 current_function_calls_longjmp, current_function_calls_alloca,
23259 current_function_has_nonlocal_label, current_function_varargs,
23260 current_function_has_computed_jump, current_function_returns_pointer,
23261 current_function_contains_functions, current_function_args_size,
23262 current_function_pretend_args_size, current_function_stdarg,
23263 current_function_outgoing_args_size, current_function_args_info,
23264 current_function_name, current_function_return_rtx,
23265 current_function_epilogue_delay_list,
23266 current_function_uses_const_pool, current_function_cannot_inline):
23267 Delete declarations.
23268 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23269 regno_reg_rtx): Delete declaration.
23270 (REGNO_POINTER_FLAG): Delete macro.
23271 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23272 function were renamed.
23273 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23275 * toplev.c: Include "function.h".
23276 (current_function_decl): Delete declaration.
23277 (compile_file): Call init_dummy_function_start and
23278 expand_dummy_function_end around some initializations that need to
23280 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23281 Call init_function_for_compilation.
23282 * unroll.c: Include "function.h"
23283 (unroll_loop): Access regno_pointer_* variables through
23286 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23287 (DECL_SAVED_INSNS): use it.
23288 (expand_dummy_function_end): Declare.
23289 (init_function_for_compilation): Declare.
23290 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23291 that it's no longer an INLINE_HEADER.
23292 (expand_call): Likewise.
23293 * integrate.c (finish_inline): Delete function.
23294 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23295 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23296 args. Don't generate an INLINE_HEADER rtx, just return the arg
23297 vector. All callers changed.
23298 (save_for_inline_copying): Create a duplicate struct emit_status to
23299 hold the emit state for compiling the current function. Use this and
23300 the other new fields in struct function that are for integration
23301 instead of an INLINE_HEADER.
23302 Use memcpy instead of bcopy.
23303 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23304 (save_for_inline_nocopy): Similar changes, except no new emit_status
23306 (expand_inline_function): Get information from function structure,
23307 not from an inline header rtx.
23308 (output_inline_function): Lose code to extract the necessary
23309 information from an inline header; simply put back the function
23310 structure into current_function. Clear its inlinable elt.
23311 * rtl.def (INLINE_HEADER): Delete.
23312 * rtl.h: Delete all accessors for an INLINE_HEADER.
23313 (gen_inline_header_rtx): Delete declaration.
23314 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23315 Delete declarations.
23316 (REGNO_POINTER_ALIGN): Delete.
23317 (clear_emit_caches): Declare.
23318 (set_new_last_label_num): Declare.
23320 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23322 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23324 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23325 * stmt.c (is_eh_region): Make sure current_function is present, too.
23327 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23329 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23330 for 64bit PA targets.
23332 * pa.h (SELECT_SECTION): Define.
23333 * som.h (SELECT_SECTION): Delete.
23335 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23337 * alias.c (init_alias_analysis): Wrap call to
23338 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23340 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23342 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23343 <sys/asm.h> contains an asm comment with an apostrophe
23344 * fixinc/inclhack.sh: regen
23345 * fixinc/fixincl.x: regen
23347 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23349 * function.c (init_function_start): Clear prologue & epilogue.
23350 (prologue_epilogue_contains): New function.
23351 * alias.c (init_alias_analysis): Use it.
23352 * rtl.h (prologue_epilogue_contains): Declare it.
23354 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23356 * jump.c (onlyjump_p): New function.
23357 * rtl.h: Declare it.
23358 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23359 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23361 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23363 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23364 to invert loops. Simplify block scanning.
23366 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23368 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23369 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23371 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23373 * config/sparc/liteelf.h: New file to support sparclite-elf target
23374 * config/sparc/t-sp86x: New file to support sparc86x targets
23375 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23376 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23377 * configure.in: Support above target triplets
23378 * configure: Regenerated
23380 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23382 * fixinc/server.c (server_setup): Do not prefix function used as
23383 parameter with `&'.
23385 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23387 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23388 Remove fp reg alternatives.
23390 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23392 * Makefiin (TAROUTOPTS): Kill.
23393 (install-headers-tar): Use "xpf" for tar headerfile extraction
23394 * i370/x-oe (TAROUTOPTS): Delete.
23395 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23396 * m68k/x-hp320 (TAROUTOPTS): Delete.
23397 * m68k/x-hp320g (TAROUTOPTS): Delete.
23398 * gcc.texi: Update bug reporting text.
23400 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23402 * reg-stack.c (change_stack) Fixed problem with negative array index.
23404 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23406 * extend.texi, install.texi: Fix spelling mistakes.
23408 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23409 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23410 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23411 PREMADE_ATTRTAB_MD.
23412 * mips/t-ecoff: Likewise.
23413 * mips/t-elf: Likewise.
23414 * mips/t-mips: Likewise.
23415 * mips/t-osfrose: Likewise.
23416 * mips/t-r3900: Likewise.
23417 * mips/t-svr3: Likewise.
23418 * mips/t-svr4: Likewise.
23419 * mips/t-ultrix: Likewise.
23421 * gcc.texi: Document recommend means to provide software floating
23422 point libraries in libgcc.a
23424 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23426 * c-lex.c (yylex): We can have a number with no digits.
23428 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23430 * jump.c (delete_prior_computation): New function, broken
23431 out of delete_computation. Check for side effects with
23432 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23433 multi-word hard registers.
23434 (delete_computation): Use it. Check for side effects with
23435 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23436 missing REG_DEAD note for a register which is both set and
23439 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23441 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23442 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23443 (ASM_FILE_START): Import _mcount with the right type.
23444 (ASM_DECLARE_FUNCTION_NAME): Define.
23445 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23446 * pa.c (output_function_prologue): Always emit the function's label
23448 * pa.h (TEXT_SPACE_P): Define.
23449 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23450 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23451 * som.h (TEXT_SPACE_P): Delete.
23452 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23453 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23455 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23457 * expr.c (emit_group_load): Allow src to be a CONCAT.
23459 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23461 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23462 (___mulsi3): Use '!' comment character.
23464 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23466 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23468 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23470 * gcc.c: Update URLs and mail addresses.
23471 * gcc.texi: Likewise.
23473 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23475 * rs6000.c (current_file_function_operand): Return zero for
23477 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23479 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23482 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23484 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23485 allocate space in the stack frame for the PIC register.
23487 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23489 * m68k.md (xordi3, anddi3): These patterns are not available on
23492 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23494 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23495 (PUT_REAL): Likewise.
23497 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23499 * final.c (shorten_branches): Don't add an alignment for loops
23500 that have no label inside.
23502 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23504 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23505 prototypes in macro HAVE_cmpstrsi.
23507 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23509 * emit-rtl.c (operand_subword): Remove unused variable
23512 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23514 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23516 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23518 * cpphash.c (macroexpand): Delete leading whitespace when arg
23519 is concatenated before.
23520 (unsafe_chars): Correct test for whether + and - can extend a
23523 * cppinit.c (cpp_start_read): Do dependencies for
23524 -include/-imacros files also.
23526 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23527 tokenizing non-directive lines.
23528 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23529 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23532 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23534 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23536 * c-lex.c: Sync with C++ frontend.
23537 (linemode): New variable.
23538 (parse_float): imag, conversion_errno, and type are output only.
23539 (yylex): Adjust. Move initial '.' case into main switch.
23541 (handle_generic_pragma): Just deal with tokens.
23542 (readescape): Use ISXDIGIT and ISGRAPH.
23543 * c-parse.in: Add END_OF_LINE token.
23545 * c-lex.c (lang_init): Generalize.
23546 (nextchar): Remove. Replace uses with UNGETC.
23547 (skip_white_space): Handle linemode here. Optimize for cpplib.
23548 (skip_white_space_on_line): Remove.
23549 (extend_token_buffer_to): New fn.
23550 (extend_token_buffer): Use it.
23551 (read_line_number, check_newline): Just deal with tokens.
23552 (token_getch, token_put_back): New fns.
23553 (yylex): Use them. More cpplib optimizations. Simplify.
23555 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23556 Jason Merrill <jason@yorick.cygnus.com>
23558 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23559 (consume_string): Make this smart about USE_CPPLIB.
23560 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23561 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23562 Also, clean up cases where we redundantly set token_buffer[0].
23563 (read_line_number): New fn.
23564 (ignore_escape_flag): New variable.
23566 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23568 * a29k/t-a29kbare: Fix some comments.
23569 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23570 (FPBIT, DPBIT): Define.
23571 * a29k/t-vx29k: Likewise.
23572 * arc/t-arc: Likewise.
23573 * arm/t-arm-elf: Likewise.
23574 * arm/t-bare: Likewise.
23575 * arm/t-pe: Likewise.
23576 * arm/t-pe-thumb: Likewise.
23577 * arm/t-semi: Likewise.
23578 * arm/t-thumb: Likewise.
23579 * arm/t-thumb-elf: Likewise.
23580 * arm/t-thumb-linux: Likewise.
23581 * h8300/t-h8300: Likewise.
23582 * i960/t-i960: Likewise.
23583 * i960/t-vxworks960: Likewise.
23584 * m32r/t-m32r: Likewise.
23585 * mips/t-ecoff: Likewise.
23586 * mips/t-elf: Likewise.
23587 * mips/t-r3900: Likewise.
23588 * pa/t-pro: Likewise.
23589 * rs6000/t-aix43: Likewise.
23590 * rs6000/t-beos: Likewise.
23591 * rs6000/t-newas: Likewise.
23592 * rs6000/t-ppccomm: Likewise.
23593 * rs6000/t-rs6000: Likewise.
23594 * rs6000/t-winnt: Likewise.
23595 * rs6000/t-xnewas: Likewise.
23596 * rs6000/t-xrs6000: Likewise.
23597 * sh/t-sh: Likewise.
23598 * sparc/t-elf: Likewise.
23599 * sparc/t-sparcbare: Likewise.
23600 * sparc/t-sparclite: Likewise.
23601 * sparc/t-splet: Likewise.
23602 * v850/t-v850: Likewise.
23603 * mn10200/t-mn10200: Fix comments.
23604 * mn10300/t-mn10300: Likewise.
23606 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23607 dummy operand. Allocate a new pseudo for the dummy operand.
23608 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23610 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23612 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23614 * configure: Rebuilt.
23615 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23617 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23619 * recog.c (preproces_constraints): Zero recog_op_alt before
23620 processing the constraints.
23622 * arm.c (typedef minipool_node): Renamed from pool_node.
23623 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23624 (add_minipool_constant): New function.
23625 (dump_minipool): New function.
23626 (find_barrier): Remove special case for getting the insn size of
23627 an insn that references the constant pool.
23628 (minipool_fixup): New structure.
23629 (push_minipool_barrier): New function.
23630 (push_minipool_fix): New function.
23631 (note_invalid_constants): New function.
23632 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23633 (arm_reorg): Rewrite code to fix up the constant pool into a
23634 series of mini-pools embedded in the insn stream.
23635 (arm_output_epilogue): New function, made mainly from the body
23636 of output_func_epilogue.
23637 (output_func_epilogue): Move insn generation part of epilogue code
23638 to arm_output_epilogue.
23639 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23640 * arm.md (pool_range): New attribute.
23641 (zero_extendqidi2): Add attribute pool_range.
23642 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23643 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23644 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23645 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23646 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23647 (epilogue): New expand.
23648 (epilogue_insn): New insn. Call arm_output_epilogue.
23650 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23651 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23653 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23655 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23657 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23659 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23661 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23663 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23665 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23667 * global.c: Fix comment.
23669 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23671 * gcc.c (access_check): New static function.
23672 (find_a_file): Use it when searching a directory list.
23673 * collect2.c (find_a_file): Don't accept directories found when
23674 searching a directory list.
23676 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23678 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23679 function parameters with `&'.
23680 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23682 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23684 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23685 or tidy_fallthru_edge if the last insn in the block is not
23686 an unconditional jump or a simple conditional jump.
23688 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23690 * Makefile.in (c-decl.o): Depends on defaults.h.
23692 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23694 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23696 (CLASS_MAX_NREGS): Likewise.
23698 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23700 * cse.c (cse_insn): Fix dumb thinko in last change.
23702 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23704 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23707 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23709 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23710 test for sizes of passed and declared parameter types.
23712 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23714 * fixincludes: Fix the return type of bsearch, char* -> void*.
23716 * fixinc/inclhack.def: Likewise.
23718 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23720 * invoke.texi (-fdump-translation-unit): New option.
23722 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23724 * expr.h (PROMOTE_PROTOTYPES): Move ...
23725 * defaults.h: ... to here.
23726 * c-decl.c: Include defaults.h instead of expr.h.
23727 * c-typeck.c: Include defaults.h.
23729 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23731 * toplev.h (errorcount): Declare.
23732 (warningcount): Likewise.
23733 (sorrycount): Likewise.
23734 * c-lex.c (errorcount): Don't declare.
23735 * dwarf2out.c (errorcount): Don't declare.
23737 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23739 * config/libgloss.h: Add a note discouraging use with ELF.
23740 * configure.in: Don't use libgloss.h for ELF targets.
23741 Always use_collect2 on a.out targets.
23743 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23745 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23746 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23748 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23750 * loop.c (strength_reduce): When doing biv->giv conversion, update
23751 reg note of NEXT->insn.
23753 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23755 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23757 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23759 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23760 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23761 Ensure expr.h is included.
23762 * c-typecheck.c (convert_arguments): Ditto.
23764 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23766 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23767 * config/convex/convex.h: Ditto.
23768 * config/dsp16xx/dsp16xx.h: Ditto.
23769 * config/fx80/fx80.h: Ditto.
23770 * config/gmicro/gmicro.h: Ditto.
23771 * config/i370/i370.h: Ditto.
23772 * config/i386/i386.h: Ditto.
23773 * config/m32r/m32r.h: Ditto.
23774 * config/m68k/m68k.h: Ditto.
23775 * config/m88k/m88k.h: Ditto.
23776 * config/mips/mips.h: Ditto.
23777 * config/pa/pa.h: Ditto.
23778 * config/pyr/pyr.h: Ditto.
23779 * config/tahoe/tahoe.h: Ditto.
23780 * config/we32k/we32k.h: Ditto.
23782 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23783 based on arch size.
23785 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23787 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23790 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23792 1999-08-02 Richard Henderson <rth@cygnus.com>
23794 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23795 for the register spill block.
23796 (m32r_va_arg): New.
23797 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23798 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23800 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23801 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23802 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23804 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23806 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23807 MAX_WCHAR_TYPE defined in sparc.h.
23808 * config/sparc/linuxaout.h: Likewise.
23809 * config/sparc/linux64.h: Likewise.
23810 Also default to -mvis if CPU is UltraSPARC.
23812 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23814 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23815 (RTX_OK_FOR_OLO10): Likewise.
23816 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23817 %lo(), allow it in addresses...
23818 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23819 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23820 does not make sense.
23821 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23822 (sparc_output_scratch_registers): New function.
23823 (output_function_prologue, sparc_flat_output_function_prologue): Use
23825 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23827 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23828 * configure.in: Add check for .register pseudo-op support in as and
23829 check for offsetable %lo().
23830 * acconfig.h: Add templates for the above checks.
23831 * configure: Regenerate.
23833 1999-08-02 Richard Henderson <rth@cygnus.com>
23835 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23836 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23837 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23839 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23841 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23844 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23846 * config/float-sparc.h: New file.
23847 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23848 sparc-*-linux-gnu and sparc64-*-linux*.
23850 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23852 * rs6000.c (rs6000_va_list): Type is an array.
23853 (rs6000_va_start): Don't doubly adjust for varargs.
23854 (rs6000_va_arg): Evaluate long long GPR adjustment.
23856 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23858 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23859 -maix64 and -maix32.
23860 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23861 LINK_SPEC): Change appropriately.
23862 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23863 (u_short_cint_operand): Likewise.
23864 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23866 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23868 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23870 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23872 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23873 for type promotion.
23874 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23875 (non_add_cint_operand): Likewise.
23876 (logical_operand): Likewise.
23877 (non_logical_cint_operand): Likewise.
23878 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23879 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23880 (rs6000_select_rtx_section): Suppress warning.
23881 (small_data_operand): Suppress warning.
23882 (rs6000_got_register): Suppress warning.
23883 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23884 type, so `J' is generally the wrong constraint for a SImode value;
23886 (andsi3_internal2): Likewise.
23887 (andsi3_internal3): Likewise.
23888 (iorsi3_internal1): Likewise.
23889 (xorsi3_internal1): Likewise.
23891 (movsf_softfloat): Likewise.
23892 (scc insns): Likewise.
23893 (movsi+2): Preserve sign bits of SImode constant.
23894 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23895 (movdf+1): Sign-extend properly.
23896 (movdi_32+1): Sign-extend properly.
23897 (scc insns): Sign-extend properly.
23899 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23902 1999-08-02 Richard Henderson <rth@cygnus.com>
23904 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23905 -mcpu parsing code.
23906 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23907 * alpha.md (all fp insns): Likewise.
23909 1999-08-02 Nick Clifton <nickc@cygnus.com>
23911 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23914 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23916 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23917 pic_load_label generator directly.
23918 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23919 No longer a named pattern.
23921 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23923 * explow.c (force_reg): Call force_operand if X does not
23924 satisfy general_operand.
23926 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23928 * fix-header.c (main): When testing for CONTINUED, use string
23929 equality, not pointer equality.
23931 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23933 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23935 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23937 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23938 that has become an unconditional jump.
23940 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23941 (output_function_epilogue): Similarly.
23943 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23945 * tree.h (init_dummy_function_start): Declare.
23947 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23949 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23950 last_expr_type, last_expr_value, block_start_count, block_stack,
23951 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23952 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23953 dynamically in stmt elt of struct function for each function.
23954 (struct nesting): Rename function_call_count elt to n_function_calls,
23955 target_temp_slot_level to block_target_temp_slot_level. All users
23957 (struct stmt_status): New structure definition.
23958 Add many accessor macros for stmt_status elements which previously
23959 were global variables.
23960 (init_stmt_for_function): Allocate stmt elt for current_function.
23961 Reflect that block_start_count was renamed to
23962 current_block_start_count.
23963 (save_stmt_status, restore_stmt_status): Delete functions.
23964 (preserve_subexpressions_p): Don't access loop_stack when outside
23966 (expand_start_bindings): Reflect that block_start_count was renamed to
23967 current_block_start_count.
23968 (expand_fixup): Likewise.
23969 (expand_decl): Don't access block_stack when outside a function.
23970 (expand_decl_cleanup): Likewise.
23971 (expand_dcc_cleanup): Likewise.
23972 (expand_dhc_cleanup): Likewise.
23973 (expand_anon_union_decl): Likewise.
23974 (set_file_and_line_for_stmt): New function.
23975 (in_control_zone_p): New function.
23977 * function.h (struct function): Add new elt stmt.
23978 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23979 case_stack, nesting_stack, nesting_depth, block_start_count,
23980 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23981 emit_lineno, goto_fixup_chain.
23982 (save_eh_status, restore_eh_status, save_stmt_status,
23983 restore_stmt_status): Delete declarations.
23984 * function.c (push_function_context_to): Don't call save_stmt_status.
23985 (pop_function_context_to): Don't call restore_stmt_status.
23986 * tree.h (in_control_zone_p): Declare.
23987 * rtl.h (set_file_and_line_for_stmt): Declare.
23989 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23990 call set_file_and_line_for_stmt.
23992 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23994 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23995 Also update copyright.
23997 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23999 * c-pragma.c: Don't include "except.h".
24000 * emit-rtl.c: Likewise.
24001 * stor-layout.c: Likewise.
24002 * tree.c: Likewise.
24003 * varasm.c: Likewise.
24005 * flow.c: Include "function.h".
24006 * tree.h (init_dummy_function_start): Declare new function.
24008 * except.h (struct eh_status): New structure.
24009 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24011 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24012 catch_clauses, false_label_stack, caught_return_label_stack,
24013 protect_list, current_function_ehc): Add accessor macros for the
24014 corresponding fields in current_function->eh; delete declarations
24015 for all items that used to be declared here.
24016 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24017 catch_clauses, false_label_stack, caught_return_label_stack,
24018 protect_list, current_function_ehc): Delete variables.
24019 (init_eh_for_function): Allocate current_function->eh.
24020 (save_eh_status, restore_eh_status): Delete functions.
24022 * function.h (struct function): Add fields next_global and eh.
24023 Delete all exception handling related fields.
24024 * function.c (current_function): New variable.
24025 (all_functions): New variable.
24026 (push_function_context_to): Don't allocate a struct function,
24027 use current_function instead. Call init_dummy_function_start when
24028 outside a function. Clear current_function before returning.
24029 (pop_function_context_from): Restore current_function.
24030 Don't free the restored struct function.
24031 (prepare_function_start): New function.
24032 (init_dummy_function_start): New function.
24033 (init_function_start): Break out some code into prepare_function_start
24036 * stmt.c (save_stmt_status): Don't call save_eh_status.
24037 (restore_stmt_status): Don't call restore_eh_status.
24039 * Makefile.in: Update dependencies.
24041 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24043 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24044 of depending on a magic constant value. Update comments.
24045 (hppa_expand_prologue): Similarly.
24047 * pa.md (reload_indi, reload_outdi): Allow any register for the
24048 original reload register.
24050 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24052 * cccp.c (print_help): Change marcos to macros.
24054 1999-07-30 Richard Henderson <rth@cygnus.com>
24056 * c-typeck.c (initializer_constant_valid_p): Move ...
24057 * c-common.c (initializer_constant_valid_p): ... here. Use
24058 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24059 of label addresses.
24060 * c-common.h (initializer_constant_valid_p): Declare.
24061 * c-tree.h (initializer_constant_valid_p): Remove.
24063 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24065 * config/i386/sol2-c1.asm: Align the stack.
24066 * config/i386/sol2-gc1.asm: Likewise.
24068 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24070 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24071 -Asparclite for sparc86x.
24072 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24074 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24076 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24078 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24079 the user if using the non-default arch size in BI_ARCH configuration.
24080 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24082 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24083 Fix patterns so that they actually match.
24084 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24085 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24086 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24088 (mulsidi3): Reflect this in the expand.
24089 (smulsi3_highpart): Only on TARGET_ARCH32.
24090 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24091 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24092 (umulsidi3): Reflect this in the expand.
24093 (umulsi3_highpart): Only on TARGET_ARCH32.
24094 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24095 don't require g0 to be zero.
24096 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24097 ({,u}divsi3): New expands.
24098 ({,u}divsi3_sp64): New patterns.
24099 (after lshrdi3_v8plus): Four new patterns to help combiner
24100 optimizing nested mixed mode shifts.
24102 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24103 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24104 speed things up. Don't use them by default on plain v9 in 64bit
24105 mode, according to what SPAMv9 sais.
24107 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24108 top 32 bits of %[og][0-7] in signal handlers.
24109 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24111 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24113 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24114 (ashlsi3): Corresponding changes.
24116 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24118 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24120 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24122 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24124 * arm.h (Hint): Delete macro.
24125 Substitute HOST_WIDE_INT for Hint in some prototypes.
24126 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24128 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24130 * builtins.c (expand_builtin_setjmp): Use force_operand to
24131 make sure that the buffer address is in a suitable form to be
24132 passed to force_reg.
24134 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24136 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24139 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24141 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24142 proper mode in the condition string.
24143 (icacheflush, dcacheflush): Remove modes from match_operands.
24145 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24146 proper mode before using it.
24148 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24151 * pa.c (store_reg): Do not call add_high_const generator directly.
24152 (load_reg, set_reg_plus_d): Likewise.
24153 * pa.md (add_high_const): No longer a named pattern.
24155 * pa.c (legitimize_address): Consistently use Pmode rather than
24156 SImode. Do not call gen_pic2_highpart directly anymore.
24157 * pa.md (pic2_highpart): No longer a named pattern.
24158 (pic2_lo_sum): Similarly. Reformat to make more readable.
24160 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24165 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24167 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24169 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24171 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24172 and tag the spill mems.
24173 (hppa_va_start): New.
24174 (hppa_va_arg): New.
24175 * pa.h (EXPAND_BUILTIN_VA_START): New.
24176 (EXPAND_BUILTIN_VA_ARG): New.
24178 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24180 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24181 and tag the spill mems.
24182 (mn10300_va_start): New.
24183 (mn10300_va_arg): New.
24184 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24185 (EXPAND_BUILTIN_VA_ARG): New.
24187 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24189 * mn10200.c (mn10200_va_arg): New.
24190 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24192 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24194 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24195 rather than play with TREE_INT_CST_LOW.
24197 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24199 * config/arm/telf.h: Include dbxelf.h.
24200 (CPP_PREDEFINES): Only define if not already defined.
24201 (ASM_IDENTIFY_GCC): Likewise.
24202 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24203 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24204 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24206 (DBX_DEBUGGING_INFO): Don't define.
24207 * config/arm/linux-telf.h: New file.
24208 * config/arm/linux-tgas.h: New file.
24209 * config/arm/t-thumb-linux: New file.
24210 * config/arm/uclinux-elf.h: New file.
24211 * config/arm/uclinux-telf.h: New file.
24212 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24213 thumb-*-uclinux): New targets.
24214 * configure: Regenerate.
24216 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24218 * pa.md (post_store, pre_load): New expanders.
24219 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24220 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24221 need to directly generate RTL for them.
24222 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24225 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24227 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24228 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24229 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24230 (secndary_reload_class): Make TARGET_ELF conditional compile.
24231 (print_operand_address): Similar.
24232 (output_toc): Print all values as hex.
24233 (get_issue_rate): Rearrange and add RS64A and PPC630.
24234 * rs6000.h (processor_type): Add RS64A and PPC630.
24235 (PROCESSOR_POWERPC64): New.
24236 (PROMOTE_MODE): Use word_mode.
24237 (RTX_COSTS): Add RS64A and PPC630.
24238 * rs6000.md (scheduling information): Add lmul and ldiv
24239 representing 64-bit integer multiply and divide. Add rs64a and
24240 PPC630 information.
24241 (ashldi3): Add support for "rldic" instruction.
24242 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24244 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24246 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24247 instead of V8 for sparclite86x in cpu_table.
24249 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24251 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24252 output_file_directive.
24254 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24256 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24257 tree for op1, not the rtl.
24259 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24261 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24262 to m88k_va_start, leaving only the register spill.
24263 (m88k_build_va_list): New.
24264 (m88k_va_start): New.
24265 (m88k_va_arg): New.
24266 * m88k.h (BUILD_VA_LIST_TYPE): New.
24267 (EXPAND_BUILTIN_VA_START): New.
24268 (EXPAND_BUILTIN_VA_ARG): New.
24270 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24272 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24273 Rename from expand_builtin_saveregs.
24274 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24276 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24278 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24279 for the register spill block.
24280 (i960_build_va_list): New.
24281 (i960_va_start): New.
24282 (i960_va_arg): New.
24283 * i960.h (BUILD_VA_LIST_TYPE): New.
24284 (EXPAND_BUILTIN_VA_START): New.
24285 (EXPAND_BUILTIN_VA_ARG): New.
24286 * i960.md (store_multiple): Use change_address on individul mems.
24288 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24290 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24292 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24293 (expand_builtin_va_end): Evaluate arg for side effects.
24294 * c-common.c (c_common_nodes_and_builtins): Construct a
24295 va_list_arg_type_node to handle array decomposition to pointer.
24297 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24299 * except.c (st_dynamic_cleanup): Use force_operand on the
24302 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24304 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24305 * c4x.c (c4x_va_arg): New.
24307 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24309 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24310 has manual_pop set.
24312 1999-07-26 Nathan Sidwell <nathan@acm.org>
24314 * eh-common.h (__eh_matcher): Prototype correctly.
24316 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24318 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24319 (TARGET_SINGLE_PIC_BASE): Likewise.
24320 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24322 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24323 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24324 (TARGET_OPTIONS): Add -mpic-register=N.
24325 (OUTPUT_INT_ADDR_CONST): New macro.
24326 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24327 LEGITIMATE_PIC_OPERAND_P): Likewise.
24328 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24329 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24330 output_addr_const directly.
24331 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24333 (thumb_pic_register, thumb_pic_register_string): Declare.
24335 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24337 (label_mentioned_p): New function: Imported from arm.c.
24338 (legitimize_pic_address): New function: Imported from arm.c.
24339 (is_pic):New function: Imported from arm.c.
24340 (thumb_finalize_pic):New function: Imported from arm.c.
24341 (add_constant): Cope with PIC constants.
24342 (fixit): Cope with PIC constants.
24343 (output_return): Do not treat the PIC register as live if
24344 TARGET_SINGLE_PIC_BASE is true.
24345 (thumb_function_prologue): Do not treat the PIC register as live if
24346 TARGET_SINGLE_PIC_BASE is true.
24347 (thumb_expand_prologue): Do not treat the PIC register as live if
24348 TARGET_SINGLE_PIC_BASE is true.
24349 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24350 TARGET_SINGLE_PIC_BASE is true.
24351 (thumb_print_operand): Accept '|'.
24352 (thumb_override_options): Process PIC options.
24354 * config/arm/thumb.md (movsi): Support PIC.
24355 (call_insn): Change "i" constraint to "X".
24356 (call_value_insn): Likewise.
24357 (consttable_4, consttable_8, consttable_end): Set and clear
24358 "making_const_table" as appropriate.
24359 (pic_load_addr, pic_add_dot_plus_four): New insns.
24361 * invoke.texi (Thumb Options): Fix spelling. Document new
24362 options -msingle-pic-base and -mpic-register=.
24364 1999-07-26 Andrew Haley <aph@cygnus.com>
24366 * config/m32r/initfini.c (__init): Use a full word immediate for
24367 __fini: this allows it to be placed in any memory region.
24369 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24370 -mmodel=medium. This is OK for all memory models.
24372 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24374 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24375 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24377 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24379 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24382 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24384 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24386 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24387 (BUILD_VA_LIST_TYPE): New.
24388 (EXPAND_BUILTIN_VA_START): New.
24389 (EXPAND_BUILTIN_VA_ARG): New.
24390 * i860.c (output_delayed_branch): Disable.
24391 (output_delay_insn): Likewise.
24392 (i860_saveregs): New.
24393 (i860_build_va_list): New.
24394 (i860_va_start): New.
24395 (i860_va_arg): New.
24396 * i860.md: Disable all peepholes using output_delayed_branch.
24397 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24399 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24401 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24402 (BUILD_VA_LIST_TYPE): New.
24403 (EXPAND_BUILTIN_VA_START): New.
24404 (EXPAND_BUILTIN_VA_ARG): New.
24405 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24406 Return the address of the save area.
24407 (clipper_build_va_list): New.
24408 (clipper_va_start): New.
24409 (clipper_va_arg): New.
24411 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24413 * arc.h (EXPAND_BUILTIN_VA_START): New.
24414 (EXPAND_BUILTIN_VA_ARG): New.
24415 * arc.c (arc_setup_incoming_varargs): Set alias set of
24417 (arc_va_start): New.
24420 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24422 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24423 (BUILD_VA_LIST_TYPE): New.
24424 (EXPAND_BUILTIN_VA_START): New.
24425 (EXPAND_BUILTIN_VA_ARG): New.
24426 * alpha.c (alpha_builtin_saveregs): Delete.
24427 (alpha_build_va_list): New.
24428 (alpha_va_start): New.
24429 (alpha_va_arg): New.
24431 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24433 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24435 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24436 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24438 * gcc.texi: More changes related to list conversion.
24439 * invoke.texi: Likewise.
24441 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24443 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24444 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24445 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24446 (stabilize_va_list): New function.
24447 (std_expand_builtin_va_start): New function.
24448 (expand_builtin_va_start): New function.
24449 (get_varargs_alias_set): New function.
24450 (std_expand_builtin_va_arg): New function.
24451 (expand_builtin_va_arg): New function.
24452 (expand_builtin_va_end): New function.
24453 (expand_builtin_va_copy): New function.
24454 (expand_builtin): Call them.
24455 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24456 __builtin_{varargs_start,stdarg_start,end,copy}.
24457 (build_va_arg): New function.
24458 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24459 (build_va_arg): Declare.
24460 * c-decl.c (ptr_type_node, va_list_type_node): New.
24461 * c-parse.gperf (__builtin_va_arg): New.
24462 * c-parse.in (VA_ARG): New token.
24463 (unary_expr): Recognize it.
24464 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24465 * expr.h (std_expand_builtin_va_start): Declare.
24466 (std_expand_builtin_va_arg): Declare.
24467 (expand_builtin_va_arg): Declare.
24468 (get_varargs_alias_set): Declare.
24469 * tree.def (VA_ARG_EXPR): New.
24470 * tree.h (BUILT_IN_VARARGS_START): New.
24471 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24472 (ptr_type_node, va_list_type_node): Declare.
24473 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24474 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24475 * m88k.h, m88k.c: Likewise.
24476 * mn10300.h, mn10300.c: Likewise.
24477 * pa.h, pa.c: Likewise.
24478 * rs6000.h, rs6000.c: Likewise.
24479 * sh.h, sh.c: Likewise.
24480 * sparc.h, sparc.c: Likewise.
24482 * emit-rtl.c (operand_subword): Copy alias set.
24483 (change_address): Likewise.
24485 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24487 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24488 not just the first one.
24490 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24492 * config/arm/arm.h (TARGET_SWITCHES): Add
24493 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24494 (TARGET_OPTIONS): Add -mpic-register=.
24495 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24496 (arm_pic_register_string): Declare.
24497 (NEED_PLT_GOT): Delete, replace with ...
24498 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24499 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24500 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24501 * config/arm/arm.c (arm_override_options): Add new option
24503 (arm_pic_register_string): New variable.
24504 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24505 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24506 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24507 (output_return_instruction): Likewise.
24508 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24509 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24510 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24512 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24513 mention of -msched-prolog. Document new options -msingle-pic-base
24514 and -mpic-register=.
24516 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24518 * haifa-sched.c (reemit_notes): Tidy.
24519 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24522 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24524 * explow.c (trunc_int_for_mode): New function.
24525 (plus_constant_wide): Use it.
24526 * combine.c (simplify_and_const_int): Likewise.
24527 (merge_outer_ops): Likewise.
24528 (simplify_shift_const): Likewise.
24529 * cse.c (simplify_unary_operation): Likewise.
24530 (simplify_binary_operation): Likewise.
24531 * emit-rtl.c (operand_subword): Likewise.
24532 * rtl.h: Declare it.
24534 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24536 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24537 (use NUM_REGS instead of NUM_INTS).
24539 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24541 * builtins.c: New file.
24542 * expr.c (saveregs_value, apply_args_value): Delete definition,
24543 moved into builtins.c.
24544 (string_constant): No longer static.
24545 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24546 apply_args_size, apply_result_size, result_vector,
24547 expand_builtin_apply_args, expand_builtin_apply,
24548 expand_builtin_return): Delete functions, moved into builtins.c.
24549 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24550 * expr.h (saveregs_value, apply_args_value): Declare variables.
24551 (expand_builtin, string_constant): Declare functions.
24552 * Makefile.in: Update to build builtin.o.
24554 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24556 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24557 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24558 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24559 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24561 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24564 1999-07-21 Michael Meissner <meissner@cygnus.com>
24566 * print-rtl.c (print_rtx): Print the names of the virtual
24569 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24571 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24572 introduced in previous delta.
24574 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24576 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24577 to avoid name clash.
24579 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24581 * c-lex.c (yylex) : Correct the test for overflow when lexing
24584 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24586 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24587 (adjust_priority): Always call ADJUST_PRIORITY.
24588 (schedule_insn): Only put insns into the ready at cost 0.
24589 (schedule_block): Remove redundant initial sort. Give clock_var
24590 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24592 * tm.texi (MD_SCHED_REORDER): Update docs.
24594 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24595 * sparc.c (ultra_reorder_called_this_block): Delete.
24596 (ultrasparc_sched_init): Don't set it.
24597 (ultrasparc_sched_reorder): Don't check it.
24599 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24601 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24602 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24603 (function_arg_boundary): Align DFmode.
24604 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24605 to get fp reg and stack overflow correct.
24606 (function_arg): Likewise.
24607 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24608 (setup_incoming_varargs): Restructure for ABI_V4; use
24609 function_arg_advance to skip final named argument.
24610 (expand_builtin_saveregs): Properly unskip the last integer arg
24611 when doing varargs. Adjust overflow location calculation.
24613 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24614 explicitly unsigned.
24615 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24616 (__VA_GP_REGSAVE): Similarly.
24617 (__va_longlong_p): Delete.
24618 (__va_arg_type_violation): New declaration.
24619 (va_arg): Restructure. Flag promotion errors. Align double.
24620 TFmode passed by reference.
24622 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24623 in the HOST_BITS_PER_WIDE_INT > 32 case.
24625 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24627 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24629 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24631 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24632 * toplev.c (documented_lang_options): Add -fpreprocessed.
24633 * cpplib.h (struct cpp_buffer): Add preprocessed.
24634 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24635 (cpp_start_read): Don't expand macros or emit an initial #line
24636 directive if -fpreprocessed.
24638 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24640 * cpplib.h (struct cpp_buffer): Added manual_pop for
24641 better C++ tokenization.
24642 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24643 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24644 * c-common.c (cpp_token): Make non-static.
24646 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24648 * c-common.h: New file.
24649 * c-common.c (permanent_obstack): Delete unused declaration.
24650 (c_global_trees): New array.
24651 (c_common_nodes_and_builtins): New function; split off common code
24652 from init_decl_processing in both c-decl.c and cp/decl.c.
24653 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24654 c_global_trees and accessor macros defined in c-common.h.
24655 Include c-common.h.
24656 * c-decl.c: Delete definitions for tree nodes that were replaced by
24658 (init_decl_processing): Build void_list_node.
24659 Call c_common_nodes_and_builtins; delete code to generate the common
24661 * objc/objc-act.c (build_module_descriptor): Rename variable
24662 void_list_node to avoid clash with c-common.h.
24664 * Makefile.in: Update dependencies.
24665 * objc/Make-lang.in: Likewise.
24667 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24669 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24670 (UNIQUE_SECTION_P): Likewise.
24671 (UNIQUE_SECTION): Likewise.
24673 1999-07-19 Linas Vepstas <linas@linas.org>
24675 * config/i370/README: New file.
24676 * config/i370/linux.h: New file.
24677 * config/i370/mvs.h: New file.
24678 * config/i370/oe.h: New file.
24679 * config/i370/t-linux: New file.
24680 * config/i370/t-mvs: New file.
24681 * config/i370/t-oe: New file.
24682 * config/i370/x-oe: New file.
24683 * config/i370/xm-linux.h: New file.
24684 * config/i370/xm-mvs.h: New file.
24685 * config/i370/xm-oe.h: New file.
24687 * i370.c (label_node_t): Add first_ref_page, label_addr,
24688 label_first_ref, label_last_ref members.
24689 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24690 (MAX_MVS_LABEL_SIZE): Define.
24691 (MAX_LONG_LABEL_SIZE): Define.
24692 (alias_node_t, alias_anchor, alias_number): New.
24693 (mvs_function_table): Reorder for EBCDIC.
24694 (ascebc, ebcasc): Unconditionally define.
24695 (i370_branch_dest, i370_branch_length): New functions.
24696 (i370_short_branch, i370_label_scan): New functions.
24697 (mvs_get_label): Renamed from mvs_add_label. Search for
24698 an existing label before creating a new one.
24699 (mvs_add_label): New function.
24700 (mvs_get_label_page): New function.
24701 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24702 over the entire list.
24703 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24704 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24705 (mvs_add_alias, mvs_need_alias): New functions.
24706 (mvs_get_alias, mvs_check_alias): New functions.
24707 (handle_pragma): New function.
24708 (mvs_function_check): New function.
24709 (unsigned_jump_follows_p): Search harder.
24710 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24711 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24712 * i370.h (TARGET_VERSION): Delete.
24713 (CPP_SPEC, CPP_PREDEFINES): Delete.
24714 (mvs_label_emitted): Delete.
24715 (TARGET_EBCDIC): Delete.
24716 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24717 (HANDLE_PRAGMA): Define.
24718 (HARD_REGNO_NREGS): Handle complex modes.
24719 (HARD_REGNO_MODE_OK): Likewise.
24720 (CLASS_MAX_NREGS): Likewise.
24721 (RET_REG): Likewise.
24722 (EXTRA_CONSTRAINT): Define.
24723 (RETURN_IN_MEMORY): True for DImode.
24724 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24725 (FUNCTION_PROFILER): Delete.
24726 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24727 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24728 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24729 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24730 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24731 (ASM_FILE_START): Add "RMODE ANY".
24732 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24733 (ASM_GLOBALIZE_LABEL): Likewise.
24734 (ASM_OUTPUT_LABELREF): Likewise.
24735 (ASM_OUTPUT_COMMON): Likewise.
24736 (PRINT_OPERAND): Handle 'K', 'W', default.
24737 (PRINT_OPERAND_ADDRESS): New.
24738 (Lots of defines): Add support for TARGET_ELF_ABI.
24739 * i370.md (attr length): New. Define for all patterns.
24740 (*): Lots of tweeks to assembly output and constraints.
24742 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24744 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24745 Disable patterns performing SImode comparisons with SImode values
24746 if TARGET_POWERPC64 and instruction does not sign-extend or does
24747 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24748 differ for signed quantities.
24749 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24750 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24751 (decrement_and_branch_on_count): Add 64-bit variant.
24753 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24755 * final.c (output_asm_insn): When searching for the matching string
24756 for a given dialect, don't run past the end of the list of
24757 alternatives if there are fewer alternatives in the template than
24760 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24762 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24763 Removed paragraph about compression of files and size limitation,
24764 duplicated in the FAQ. Use gcc-patches for posting patches.
24765 * gcc.c (main): Updated URL with bug reporting instructions to
24766 gcc.gnu.org. Removed e-mail address.
24767 * system.h (abort): Likewise.
24769 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24771 * Makefile.in (stmp-multilib-sub): Make the files extracted
24772 from $(LIBGCC1) writable.
24774 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24776 * config/arm/aout.h: Reformat for improved readability.
24778 * config/arm/arm.h: Reformat for improved readability.
24779 Replace uses of fprintf with asm_fprintf where appropriate.
24780 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24781 function declaration assembler actions.
24782 (NUM_INTS): New macro: Convert from bytes to words.
24783 (NUM_REGS): New macro: Compute number of registers required to
24784 hold a quanitity of tyep MODE.
24785 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24787 (NUM_ARG_REGS): New macro: The number of argument registers
24789 (ARG_REGISTER): New macro: Compute the register number of the Nth
24791 (LAST_ARG_REGNUM): New macro: The number of the last argument
24793 (SP_REGNUM): New macro: Register number of the stack pointer.
24794 (FP_REGNUM): New macro: Register number of the frame pointer.
24795 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24796 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24797 CUMULATIVE_ARGS so that it counts registers not bytes.
24799 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24801 Replace uses of fprintf with asm_fprintf where appropriate.
24802 (output_ascii_pseudo_op): Replace with version from thumb.c
24804 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24806 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24807 SUBTARGET_CPP_SPEC.
24808 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24809 (ASM_FILE_START): Emit ASM_APP_OFF.
24811 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24813 * pa.c (compute_frame_size): Round frame according to
24814 STACK_BOUNDARY rather than a hardwired value.
24816 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24818 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24820 * configure: Rebuilt.
24822 * configure.in (hppa*-*-linux*): New configuration.
24823 * configure: Rebuilt.
24824 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24825 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24826 * pa/pa-linux.h: New file.
24827 * pa/t-linux: New file.
24828 * pa/xm-linux.h: New file.
24830 * pa.c (hppa_legitimize_address): Change references from SImode to
24831 either Pmode or word_mode as appropriate.
24832 (emit_move_sequence, store_reg, load_reg): Likewise.
24833 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24834 (output_mul_insn): Likewise.
24835 * pa.h (PROMOTE_MODE): Likewise.
24836 (INITIALZE_TRAMPOLINE): Likewise.
24837 (Pmode): Define to word_mode.
24839 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24840 value of 4. Allocate 8 bytes for each FP register save.
24841 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24843 (hppa_expand_prologue): Likewise.
24844 * pa.h (PROMOTE_MODE): Likewise.
24845 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24846 (FUNCTION_ARG_BOUNDARY): Likewise.
24848 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24850 * pa.c (out_of_line_prologue_epilogue): Delete.
24851 (override_options): Remove -mspace related code.
24852 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24853 (compute_frame_size): Only allocate space for register that
24854 actually need to be saved.
24855 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24856 (TARGET_SWITCHES): Remove -mspace, -mno-space
24857 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24858 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24859 * pa/ee.asm, pa/ee_fp.asm: Delete.
24861 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24863 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24864 directive in column zero.
24866 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24868 * m68k.c (output_function_prologue): Fix computation of save mask
24869 when generating PIC code.
24871 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24873 * tree.c (build_type_attribute_variant): Move current_obstack restore
24874 after build_qualified_type call.
24876 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24878 * configure.in: Use t-iris6, even with GNU LD.
24879 * config/mips/iris6gld.h: Fix typo in linker spec.
24880 * config/mips/t-iris6gld: Remove.
24882 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24884 * rs6000.md (insv, extzv): Remove SImode dependence in named
24885 patterns. Explicitly generate DImode RTL if PowerPC64 and
24887 (insvdi): Reverse start and size in instruction template.
24889 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24891 * invoke.texi: Typo fixes.
24893 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24895 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24896 handle at this time instead of silently generating incorrect code.
24897 (gen_imagpart): Likewise.
24899 * reload.c (find_reloads): Emit a USE for a pseudo register without
24900 a hard register if we could not create an optional reload for the
24903 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24905 * c-typeck.c (output_init_element, process_init_element):
24906 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24907 check for nameless bit fields.
24909 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24911 * regclass.c (scan_one_insn): Notice subregs that change the
24912 size of their operand.
24913 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24915 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24917 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24918 * configure: Rebuilt.
24919 * alpha/t-ieee: New file.
24921 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24923 * rs6000.c (find_addr_reg): Do not select r0 as an address
24926 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24928 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24930 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24932 * rs6000.md (movsf): Do not force easy FP constants into memory.
24934 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24935 immed_double_const to ensure they are properly truncated then
24938 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24940 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24941 always unless NO_DEBUG is used. Compile this code
24943 (replace_symbols_in_block): Compile it unconditionally.
24945 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24947 * configure.in (i?86-*-elf*): New target.
24948 * configure: Rebuilt.
24949 * i386/i386elf.h, i386/t-i386elf: New files.
24951 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24953 * toplev.c (main): Don't complain about saying -gdwarf.
24954 (rest_of_compilation): Remove redundant code.
24956 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24958 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24960 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24962 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24963 "Li960R:", to avoid name clash.
24965 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24967 * loop.c (check_dbra_loop): When reversing a loop, delete all
24968 REG_EQUAL notes referencing the reversed biv except those which are
24969 for a giv based on it.
24971 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24973 * version.c: Drop "gcc-" prefix from version #.
24975 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24977 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24978 the label if we're being verbose.
24980 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24982 * m68k.c (output_function_prologue): Add pic register to mask
24983 if live and flag_pic.
24984 (output_function_epilogue): Likewise.
24986 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24988 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24989 directives in column zero.
24991 * pa/elf.h (ASM_FILE_START): Define.
24992 * pa/som.h (ASM_FILE_START): Include .level directives.
24993 * pa/hpux10.h (ASM_FILE_START): Delete.
24994 * pa/hpux11.h (ASM_FILE_START): Delete.
24996 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24998 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25000 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25001 when reload_out equals reload_in.
25003 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25005 * invoke.texi (Spec Files): New node: Describe the contents of
25008 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25010 * invoke.texi (DEC Alpha Options): Put @end table at
25011 beginning of line, to avoid confusing texi2html.
25013 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25015 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25016 introduced in previous delta.
25018 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25020 * reload1.c (gen_reload): When synthesizing a 3 operand add
25021 sequence, improve test for when to reload OP1 into the reload
25022 register instead of OP0.
25024 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25026 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25028 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25030 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25033 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25035 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25036 (va_dcl): Use __builtin_va_alist_t.
25038 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25040 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25041 on the permanent_obstack.
25042 * dwarfout.c (output_type): Likewise.
25044 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25046 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25047 Merged from c-typeck.c and cp/typeck.c.
25048 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25049 Merged into c-common.
25051 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25053 * c-lex.c (errorcount): Declare it.
25054 (finish_parse): Update errorcount when using CPPLIB.
25056 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25058 * fixinc/inclhack.def(end_else_label): Double the backslash so
25059 sed gets a chance to see it.
25060 * fixinc/inclhack.sh: regen
25061 * fixinc/fixincl.x: regen
25063 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25065 Add framework to support armv5 architecture when it becomes
25068 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25069 (arm_arch5): New variable.
25070 (all_architectures): Add armv5 line.
25071 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25072 -march=armv5 is specified on the command line.
25073 (arm_arch5): Export this variable.
25074 * invoke.texi: Document new string accepted by -march= switch for
25077 * config/arm/arm.h: Replace use of constant 12 as a register
25078 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25079 * config/arm/arm.c: Replace use of constant 12 as a register
25080 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25082 * config/arm/elf.h: Tidy up.
25083 * config/arm/coff.h: Tidy up.
25085 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25087 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25088 * gcc/config/mips/t-iris6gld: New file.
25089 * gcc/config/mips/iris6gld.h: Likewise.
25091 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25093 * c-decl.c (widest_integer_literal_type_node,
25094 widest_unsigned_literal_type) : New.
25095 (init_decl_processing): Handle/use the two new types.
25096 * c-common.c (type_for_size,type_for_mode) : Same.
25097 * c-lex.c (yylex) : Same.
25098 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25100 * c-tree.h (widest_integer_literal_type_node,
25101 widest_unsigned_literal_type) : New.
25103 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25105 * dwarfout.c (field_byte_offset): Correctly compute the object's
25106 byte offset for the first bit of a field which crosses an alignment
25107 boundary on a !BYTES_BIG_ENDIAN target.
25109 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25111 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25114 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25115 Jeff Law <law@cygnus.com>
25117 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25120 * except.c: Include intl.h.
25121 (expand_eh_return): Set current_function_cannot_inline.
25122 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25123 * function.h (struct function): Add eh_return_stub_label.
25124 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25125 * Makefile.in (except.o): Depend on intl.h.
25127 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25129 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25130 same as offsettable in cases 1 and 2.
25132 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25134 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25135 (extlh, extwh): Likewise.
25137 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25139 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25141 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25143 * configure.in: Add arm-pe and thumb-pe targets.
25144 * configure: Regenerate.
25146 * thumb.c (arm_naked_function_p): New function: Determines if
25147 a function is naked (has no gcc generated prologue/epilogue).
25148 (is_called_in_ARM_mode): Return true if the func has the
25149 interfacearm attribute.
25150 (output_return): Do not generate a return for naked functions.
25151 (thumb_function_prologue): Do not generate a prologue for
25153 (thumb_expand_prologue): Do not generate a prologue for naked
25155 (thumb_expand_epilogue): Do not generate an epilogue for naked
25157 (arm_valid_machine_decl_attribute): New function, copied from
25158 arm.c: Permit naked and interfacearm attributes.
25160 * config/arm/pe.c: New file: Support code for arm-pe target.
25161 * config/arm/pe.h: New file: Header file for arm-pe target.
25162 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25163 * config/arm/t-thumb-pe: New file: Makefile fragment for
25166 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25168 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25169 -fPIC or -fpic is specified.
25171 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25173 * expr.c (emit_block_move): Use copy_to_mode_reg for
25174 !TARGET_MEM_FUNCTIONS case too.
25176 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25178 * configure: Rebuilt.
25179 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25180 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25181 definitions made redundant by dbxelf.h inclusion. Delete
25182 lots of definitions related to assembly output that are
25183 specific to the SOM object format.
25184 * pa.c (output_function_prologue): Do not emit the function's
25186 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25187 * pa-pro.h: Deleted.
25188 * som.h: New file with SOM specific definitions.
25189 * elf.h: New file with ELF specific definitions.
25191 * elfos.h (const_section): Output a tab before assembler directives.
25192 (ctors_section, dtors_section): Likewise.
25193 (ASM_OUTPUT_SECTION_NAME): Likewise.
25195 * pa/pa1.h: Delete unused file.
25197 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25199 * configure.in (hppa*-hp-hpux11*): New configuration.
25200 * configure: Rebuilt.
25201 * pa/pa-hpux11.h: New file.
25202 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25205 * mips.md (leasi, leadi): New patterns.
25207 * expr.c (emit_block_move): Properly handle case where one of the
25208 block move arguments has a queued increment or decrement.
25209 (clear_storage): Similarly. Fix formatting goof.
25211 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25213 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25214 semicolon from the BSD VA_LIST replacement expression.
25216 * fixinc/inclhack.sh: regen
25217 * fixinc/fixincl.x: regen
25219 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25220 now use the fixincl program.
25222 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25224 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25225 case. Also make the PIC register call_used.
25227 * m68k.h (FINALIZE_PIC): Delete.
25228 * m68k.c (finalize_pic): Delete.
25230 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25232 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25235 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25237 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25239 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25241 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25243 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25245 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25247 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25249 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25251 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25253 * rs6000.c (output_toc): Always use hex values for floating-point
25254 constants. Store single-precision values in upper-half of TOC
25255 entry in 64-bit mode.
25256 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25257 to final constraints.
25258 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25259 (fctiwz): Improve accuracy of RTL for pattern.
25261 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25263 * expr.c (expand_expr): Allow RTL_EXPR's through the
25264 MAX_INTEGER_COMPUTATION_MODE checks.
25266 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25268 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25269 such that MASK_SUPPORT_ARCH is not negative.
25271 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25273 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25274 ADDR_DIFF_VEC insns that appear inside loops.
25276 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25277 Jeff Law <law@cygnus.com>
25279 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25280 Handle LO_SUM the same as offsettable in cases 1 and 2.
25281 * rs6000.c (find_addr_reg): Revert previous patch.
25283 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25285 * system.h (strstr): New external function declaration.
25286 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25287 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25288 * config.in, configure: Rebuilt.
25290 1999-06-24 Tom Tromey <tromey@cygnus.com>
25292 * gcc.c (main): Read user-specified specs files after computing
25293 additional startfile_prefixes.
25295 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25297 Revert these two patches:
25299 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25300 * loop.c (strength_reduce): When doing biv->giv conversion, update
25301 reg note of NEXT->insn.
25303 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25304 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25306 (recombine_givs): Set ix field after sorting.
25308 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25310 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25311 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25313 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25315 *fixinc/inclhack.def: Add fix development commentary
25316 (read_ret_type): reactivate and add selection clause
25317 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25318 *fixinc/{fixincl.x|inclhack.sh}: regen
25320 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25322 * expr.c (expand_expr): STRIP_NOPS before checking against
25323 MAX_INTEGER_COMPUTATION_MODE
25324 (check_max_integer_computation_mode): Likewise.
25326 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25328 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25330 1999-06-22 Jim Wilson <wilson@cygnus.com>
25332 * expr.c (store_expr): When target is a promoted subreg, return a
25333 promoted subreg as a result.
25335 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25337 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25339 (dwarf2out_define): Mark unused parameters appropriately.
25340 (gen_unspecified_parameters_die): Ditto.
25341 (gen_subprogram_die): Fix signed/unsigned warnings.
25342 (gen_variable_die): Ditto.
25344 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25346 * fixinc/inclhack.def(end_else_label): combined else_label
25347 and endif_label and fixed the sed expression.
25348 *fixinc/{fixincl.x|inclhack.sh}: regen
25350 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25352 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25353 'x' when handling non-offsettable addresses
25355 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25357 * final.c (shorten_branches): Don't try to split an insn that has
25360 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25362 * config/mips/mips.c (symbolic_expression_p): New function.
25363 (mips_select_rtx_section): Put symbolic expressions in the
25364 data section, not the read-only data section.
25366 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25368 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25370 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25372 * collect2.c (main): Log frame table count.
25373 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25374 (scan_prog_file) [COFF]: Handle frame tables.
25376 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25377 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25378 * alpha/elf.h: Undef them again.
25379 * alpha/vms.h: Remove their definitions.
25381 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25383 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25384 remove the clobber of r0 and change the REG_UNUSED note to
25387 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25389 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25390 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25391 fits in HOST_WIDE_INT and one uses union to access a long constant
25394 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25396 * sparc.c (sparc_override_options): Don't allow profiling for
25397 code models other than medlow.
25398 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25399 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25400 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25401 (sparc_block_profiler): Likewise.
25402 (sparc_function_block_profiler_exit): Likewise.
25403 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25404 (FUNCTION_BLOCK_PROFILER): Likewise.
25405 (BLOCK_PROFILER): Likewise.
25406 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25407 (MCOUNT_FUNCTION): New.
25408 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25409 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25410 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25411 (MCOUNT_FUNCTION): New.
25412 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25413 (BLOCK_PROFILER): Delete.
25414 (MCOUNT_FUNCTION): New.
25416 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25418 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25420 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25422 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25425 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25428 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25431 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25434 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25436 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25439 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25441 * i386/djgpp.h (LIB_SPEC): New.
25442 (STARTFILE_SPEC): New.
25444 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25446 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25448 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25451 * system.h (WSTOPSIG): New macro.
25453 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25455 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25457 (insert_pack_attributes): Take into account member natural
25460 * i386/winnt.c (exports_head): New static variable.
25461 (i386_pe_record_exported_symbol): New function.
25462 (i386_pe_asm_file_end): Use.
25463 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25464 symbols to be emitted at end of assembly.
25465 (ASM_DECLARE_OBJECT_NAME): Likewise.
25466 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25468 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25471 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25473 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25476 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25478 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25479 zapping reg_last_uses directly.
25480 (sched_analyze_2, sched_analyze_insn): Likewise.
25481 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25483 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25485 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25486 attributes for cases 1 and 2.
25488 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25490 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25493 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25495 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25497 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25499 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25500 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25501 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25502 must be stacked if it is used for PIC accesses.
25503 * arm.c (use_return_insn): Handle PIC register specially.
25504 (output_return_instruction): Likewise.
25505 (output_func_{prologue,epilogue}): Likewise.
25506 (output_expand_prologue): Likewise.
25508 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25509 (*strsi_predec): Renamed from *strqi_predec.
25510 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25511 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25513 * arm.c (arm_override_options): Remove warning about PIC code
25514 not being supported.
25516 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25518 * rs6000.c (find_addr_reg): New function.
25519 * rs6000.h (find_addr_reg): Declare.
25520 (offsettable_addr_operand): Delete.
25521 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25522 from and stores to GPRs.
25524 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25526 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25527 gen_sequence as argument to emit_no_conflict_block.
25529 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25531 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25532 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25533 *fixinc/fixincl.x: regen
25534 *fixinc/inclhack.sh: regen
25536 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25538 * added support for -mpcrel (PC relative addressing for m68k)
25539 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25540 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25541 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25542 (comments for general_src_operand): Add some explanation
25543 about EXTRA_CONSTRAINTS.
25544 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25545 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25546 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25547 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25548 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25549 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25550 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25551 if not already set.
25552 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25553 * m68k.h (TARGET_PCREL): New target flag.
25554 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25555 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25556 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25557 contains a SYMBOL_REF. Relax this constraint during reload, since
25558 we want to use the predicates, not reload's built-in concept of a
25559 valid memory address, to control what insns need reloading.
25560 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25561 operands (essentially 'g', 'm', and 's' under normal circumstances).
25562 * m68k.c (print_operand): Cause printing of pc-relative addresses
25563 to include pc register.
25564 (print_operand_address): Ditto.
25565 (general_src_operand): Accept operands that are not only
25566 general_operands, but are also valid when used as a pc-relative
25568 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25569 (memory_src_operand): Similar, for memory_operands.
25570 (pcrel_address): New predicate to accept the special case of a
25571 pc-relative address.
25572 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25573 QImode insns to accept *_src_operand instead of *_operand where
25574 pc-relative operands can fit. For example, a pc-relative operand
25575 can be used as a memory source operand for addsi3, but not as a
25576 memory destination.
25577 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25579 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25581 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25582 .thumb_set pseudo op to mark aliases of thumb functions.
25584 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25586 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25587 preference to ASM_OUTPUT_DEF, if it is defined.
25589 * tm.texi: Document new, optional target macro
25590 ASM_OUTPUT_DEF_FROM_DECLS.
25592 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25594 * fixincludes: ISCNTL patch
25595 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25596 (dgux_int_varargs): new for DG/UX
25597 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25599 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25601 * invoke.texi (ia32 options): Fix typo.
25603 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25605 * loop.c (strength_reduce): When doing biv->giv conversion, update
25606 reg note of NEXT->insn.
25608 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25610 * loop.c (move_movables): Note issues with replacing REGs with
25612 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25614 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25616 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25618 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25619 the reference to `mcount' was not correct for the ELF on FreeBSD.
25621 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25623 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25626 (recombine_givs): Set ix field after sorting.
25628 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25630 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25631 to safe to extract a subword out of a REG.
25633 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25635 * sh.md (mulsi3): Don't add a no-op move at the end.
25637 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25639 * cse.c (cse_insn): Don't put hard register source into tables for
25640 the last insn of a libcall.
25642 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25644 * loop.c (strength_reduce): Insert sets of derived givs at every
25645 biv increment, even if it's the only one.
25647 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25649 * dwarfout.c (add_incomplete_type): New fn.
25650 (output_type): Call it.
25651 (retry_incomplete_types): New fn.
25652 (dwarfout_finish): Call it.
25654 From Eric Raskin <ehr@listworks.com>:
25655 (output_type): Output types for bases.
25657 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25659 * mips.c (mips_output_conditional_branch): Add `break'
25660 between `default' label and `close braces'.
25662 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25664 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25665 specifications and make it realistic.
25666 (LIB_SPEC): Likewise.
25668 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25670 * config/mips/mips.c (mips_secondary_reload_class): Check for
25671 (PLUS (SP) (REG)) and return appropriate register class.
25672 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25673 Handle (PLUS (SP) (REG)).
25674 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25675 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25676 of emit_insn for tablejump.
25678 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25680 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25681 asm_fprintf format string by itself.
25682 (output_function_profiler): Likewise.
25684 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25686 * combine.c (simplify_logical, case AND): Only call
25687 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25688 or the constant is positive.
25690 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25692 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25693 * configure: Regenerate.
25695 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25697 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25698 require a sub-version #.
25699 * configure: Rebuilt.
25701 1999-06-14 Robert Lipe (robertlipe@usa.net)
25703 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25705 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25707 * c-typeck.c (process_init_element): Detect excess elements in
25708 char array initializer.
25710 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25712 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25714 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25716 * invoke.texi (Option Summary): Add -fpermissive flag.
25718 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25720 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25721 that require PIC code sequences.
25723 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25725 * configure.in: Add new target: thumb-elf.
25726 * configure: Regenerate.
25727 * config/arm/t-thumb-elf: New file: Makefile fragment for
25729 * config/arm/telf.h: New file: Header file for thumb-elf
25732 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25734 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25735 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25736 initializers is some circumstances.
25738 * fixinc/inclhack.def (endif_label): Add additional selector for
25739 more bogus stuff after #endif statements.
25740 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25742 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25744 * i386/cygwin.h (SET_ASM_OP): Define.
25746 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25748 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25750 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25752 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25755 * sh.md (ic_invalidate_line_i): Remove second alternative.
25757 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25759 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25760 test for the presence of valid prototypes. Delete bypass expr.
25761 (ioctl_fix_ctrl): Correct the selection expression.
25762 (no_double_slash): Correct quoting rules
25763 *fixinc/fixincl.x: regen
25764 *fixinc/inclhack.sh: regen
25766 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25768 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25770 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25772 * rs6000.md (movsi_got_internal_mem): Delete.
25773 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25774 (GOT_TOC_REGNUM): Delete.
25775 (PIC_OFFSET_TABLE_REGNUM): Define.
25776 (FINALIZE_PIC): Disable.
25777 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25778 (rs6000_replace_regno): Delete.
25779 (rs6000_finalize_pic): Likewise.
25780 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25782 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25784 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25785 is a note; use <= for the compare; advance P while it is
25788 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25790 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25791 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25793 * varasm.c (remove_from_pending_weak_list): Verify t->name
25794 is non-NULL before passing it to strcmp.
25796 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25798 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25799 the typed arguments are not part of a comment
25800 (ioctl_fix_ctrl): Added a purpose comment
25801 *fixinc/fixincl.x: regenerate
25802 *fixinc/inclhack.sh: regenerate
25804 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25806 * invoke.texi: Add C4x invocation docs.
25808 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25810 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25812 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25814 (c4x_legitimize_reload_address): New function.
25815 * config/c4x/c4x.md: Update docs.
25817 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25819 * fixincludes: Avoid removing '.'.
25820 * fixinc/fixinc.svr4: Likewise.
25821 * fixinc/fixinc.winnt: Likewise.
25822 * fixinc/inclhack.tpl: Likewise.
25823 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25825 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25827 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25829 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25831 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25833 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25836 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25838 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25839 * configure: Regenerate.
25841 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25843 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25846 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25848 * fixinc/inclhack.def (avoid_bool): Also catch
25849 "typedef [unsigned] int bool".
25850 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25852 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25853 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25854 * configure: Rebuilt.
25856 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25858 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25859 such that we can override its definitions if necessary.
25860 (CPP_SPEC): New define. Support processor specific predefines via
25862 (CC1_SPEC): New define. Support processor specific compiler
25863 options via %(cc1_cpu).
25864 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25867 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25869 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25870 between sed's -e flag, and the open-quote following it.
25871 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25873 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25874 Jeffrey A Law (law@cygnus.com)
25876 * varasm.c (assemble_start_function): Remove the function
25877 from the pending weak decls list when we define a function.
25878 (assemble_variable): Similarly for variables.
25879 (weak_finish): Ignore items on the list with a NULL name.
25880 (remove_from_ending_weak_list); New function to "remove" an item
25881 from the pending weak declarations list.
25883 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25885 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25887 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25889 * c-lex.c (GETC): Redefine to call getch.
25890 (UNGETC): Redefine to call put_back.
25891 (putback_buffer): New structure type.
25892 (putback): New static structure.
25893 (getch): New function.
25894 (put_back): New function.
25895 (yylex): Replace unused bytes from bad multibyte character.
25897 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25899 * cpplib.c (do_define): Cast `alloca' return value.
25900 (do_include, do_undef, do_pragma): Likewise.
25901 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25903 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25904 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25906 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25908 * sparc.md (abstf2): This should be an expand.
25909 (split after abstf2_notv9): Fix mode.
25910 (abstf2_hq_v9): New pattern.
25911 (abstf2_v9): Only use when no hard quad.
25912 (absdf2_v9): Fix if target is not the same as source.
25913 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25914 Add correct output constraints.
25916 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25918 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25919 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25921 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25923 * mips.h (mips_output_conditional_branch): New function.
25924 (mips_adjust_insn_length): Likewise.
25925 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25926 (ADJUST_INSN_LENGTH): Likewise.
25927 * mips.c (print_operand): Add `F' and `W' for floating-point
25928 comparison opcodes.
25929 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25931 (mips_adjust_insn_length): New function.
25932 (mips_output_conditional_branch): New function.
25933 * mips.md (length): Adjust attribute definition to handle
25934 conditional branches. Change lengths to bytes, rather than
25935 instructions throughout. Remove length attribute from
25936 instructions whose length is four bytes, and rely on the default
25938 (dslot): Fix typo in comment.
25939 Reword conditional branch patterns to use
25940 mips_output_conditional_branch.
25942 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25944 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25945 (LIB_SPEC): Likewise.
25946 Link with -lprof1_r for -g/-pg.
25948 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25950 * loop.c (check_dbra_loop): Fix change of Jan 19.
25952 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25954 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25955 (STARTFILE_SPEC): Define, override the svr4.h version.
25956 (ENDFILE_SPEC): Likewise.
25958 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25960 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25961 * fixinc/fixincl.x: Regenerated.
25962 * fixinc/inclhack.sh: Regenerated.
25964 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25966 * sh.c (barrier_align): Don't return early for normal branch/barrier
25967 when optimizing for SH2.
25969 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25971 * i386/udk.h (LINK_SPEC): Correct linker search path for
25974 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25976 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25977 (braf_label_ref_operand): Delete.
25978 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25979 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25980 label_ref, and has no predicate.
25981 The patten has a predicate to guard against invalid substitutions.
25982 (dummy_jump): Delete.
25983 (casesi): Update use of casesi_jump_2.
25985 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25987 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25988 *fixinc/fixincl.x: regenerate
25989 *fixinc/inclhack.sh: regenerate
25991 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25993 * dwarf2out.c (add_incomplete_type): New fn.
25994 (gen_struct_or_union_type_die): Call it.
25995 (retry_incomplete_types): New fn.
25996 (dwarf2out_finish): Call it.
25998 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26000 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26001 current block starts with a CODE_LABEL and ends with a CALL and
26002 we can not find all the argument setup instructions for the CALL.
26004 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26006 Revert this change:
26007 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26008 something is a candidate for optimize_bit_field_compare.
26010 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26012 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26014 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26016 * alpha.c (override_options): Thinko in last patch.
26018 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26019 (LIB_SPEC): Recognize -pthread.
26021 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26023 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26024 definition in config/arm/coff.h
26025 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26027 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26029 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26030 fixes that need "file=xxx\n" prepended before invocation
26031 (start_fixer - new): starting the fixer process is complex enough
26032 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26033 (process): uses the new routine; omit usage of putenv()
26034 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26035 * fixinc/fixincl.x: regenerate
26037 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26039 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26040 and version #s (1.1 -> 2.96) as needed.
26041 * README.g77: Kill way out of date file in the toplevel directory.
26043 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26045 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26046 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26047 * configure: Rebuilt.
26048 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26049 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26050 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26051 (SWITCH_TAKES_ARG): Likewise.
26052 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26053 * config/t-freebsd: Moved from config/i386/ so it can used for all
26056 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26058 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26060 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26062 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26063 * configure: Rebuilt.
26065 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26067 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26068 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26069 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26070 (rs6000_output_load_toc_table): Same.
26071 (output_prolog, output_mi_thunk): Same.
26072 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26073 (ASM_GLOBALIZE_LABEL): Use putc.
26075 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26077 * alpha.md (reload_*_help): New patterns and splitters.
26078 (reload_*): Use them.
26079 (mov[qh]i): Likewise.
26081 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26083 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26086 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26088 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26090 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26092 * flow.c (mark_regs_live_at_end, insn_dead_p,
26093 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26094 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26095 hasn't run or the frame pointer is needed.
26096 * haifa-sched.c (attach_deaths): Likewise.
26097 * sched.c (attach_deaths): Likewise.
26099 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26101 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26102 calculate_can_reach_end returns nonzero.
26104 * configure.in (native gas tests): Search for an assembler in the
26105 same manner that the installed compiler will.
26106 * configure: Rebuilt.
26107 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26109 * alias.c (find_base_term): Improve handling of addresses
26110 constructed from binary operations.
26112 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26114 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26116 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26118 * function.h (cleanup_label, frame_offset): Declare.
26119 (tail_recursion_label, tail_recursion_reentry): Likewise.
26120 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26121 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26122 (tail_recursion_label, tail_recursion_reentry): Likewise.
26123 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26125 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26127 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26129 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26130 (MAX_OFILE_ALIGNMENT): Define.
26132 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26134 * fixincl.c: Replace local include scheme with #includes of
26135 gansidecl.h and system.h.
26136 * procopen.c: Likewise.
26137 * server.c: Likewise.
26139 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26141 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26142 (crti.o): Add build rule and dependencies.
26143 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26145 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26147 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26148 (LIB_LINUX_SPEC): Likewise.
26149 (LIB_LINUX_SPEC): Add support for -pthread
26150 (CPP_OS_LINUX_SPEC): Likewise.
26151 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26154 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26156 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26158 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26159 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26160 for IEEE math and CC_FCOMI.
26161 (put_jump_code): No IEEE if CC_FCOMI is set.
26163 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26165 * fold-const.c (fold_truthop): Make the field reference unsigned
26166 when converting a single bit compare.
26168 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26170 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26172 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26174 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26175 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26178 * reload.c (push_reload): Do not call remove_address_replacements
26179 when presented with identical optional reloads.
26181 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26183 * alpha.h (MASK_FIX, TARGET_FIX): New.
26184 (MASK_*): Reorganize constants.
26185 (CPP_AM_FIX_SPEC): New.
26186 (TARGET_SWITCHES): Add FIX.
26187 (EXTRA_SPECS): Likewise.
26188 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26189 (SECONDARY_MEMORY_NEEDED): Likewise.
26190 (REGISTER_MOVE_COST): Likewise.
26191 * alpha.c (override_options): Add FIX support. Always use
26192 ALPHA_TP_PROG for ev6.
26193 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26194 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26195 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26197 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26199 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26200 something is a candidate for optimize_bit_field_compare.
26202 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26204 * gcc.texi (Passes): Document branch-shortening.
26205 * invoke.texi (Debugging Options): Document the fact that `-dp'
26206 outputs length information for instructions.
26208 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26210 * flow.c: Revert previous delta.
26212 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26214 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26215 FRAME_POINTER_REGNUM.
26216 (mark_set_1): Ditto.
26217 (mark_used_regs): Ditto.
26219 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26221 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26222 (GOT_PCREL): New macro. Define to 1 if not already defined.
26223 * arm/elf.h (GOT_PCREL): Define to 0.
26224 * arm.c (arm_finalize_pic): Take into account the setting of
26227 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26229 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26230 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26232 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26233 store elimination candidates.
26235 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26237 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26240 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26242 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26243 Add use of x-aix41-gld.
26245 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26247 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26248 (ASM_OUTPUT_DESTRUCTOR): Define.
26250 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26252 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26253 last CODE_LABEL in a loop if we have previously passed a jump
26254 to the top of the loop.
26256 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26258 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26259 applying Philip's patch.
26261 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26263 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26266 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26268 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26270 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26272 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26273 Also remove a useless comment.
26275 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26277 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26279 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26281 * collect2.c (main): Only generate import or export file and add
26282 to link arguments if non-empty. Use xmalloc not alloca.
26283 (write_{export,import}_file): Delete.
26284 (write_aix_file): New function.
26285 (locatelib): Use xmalloc not malloc.
26286 (GCC_OK_SYMBOL): Do not check type if aix64.
26288 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26290 Based on patch by Scott Bambrough and Pat Beirne:
26291 * config/arm/arm.c (making_const_table): New variable.
26292 * config/arm/arm.h (making_const_table): Declare.
26293 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26295 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26296 Keep track of when we are building the constant table.
26298 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26300 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26303 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26305 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26308 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26310 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26313 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26315 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26317 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26319 * rs6000.c (output_mi_thunk): Enable full support again.
26321 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26323 * sh.h (BRANCH_COST): Define.
26325 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26327 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26329 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26331 * function.c (assign_stack_local): Align stack slot propertly.
26332 (assign_outer_stack_local): Likewise.
26334 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26336 * expr.h (lang_expand_constant): Declare.
26337 * toplev.c (lang_expand_constant): Define it.
26338 * varasm.c (output_constant): Use it.
26340 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26342 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26343 Change function definitions to K&R style.
26345 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26347 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26349 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26351 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26352 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26353 (several places): omit static initialization
26354 (process): use single fd, since only the read fd is used
26355 * fixinc/gnu-regex.c: define 'const' away, if not supported
26356 * fixinc/procopen.c(several places): omit static initialization
26357 * fixinc/server.c: define 'volitile' away, if not supported
26359 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26361 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26362 asm_fprintf and %L to generate the label name.
26363 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26364 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26366 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26368 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26369 insn for a conditional jump can not be found.
26371 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26373 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26374 on variables in specific sections other than .sbss and .sdata.
26376 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26378 * stmt.c (expand_return): Call start_cleanup_deferral and
26379 end_cleanup_deferral around conditional code.
26381 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26383 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26384 filename lists. Utilizes new "krstr" AutoGen function.
26385 * fixinc/fixincl.x: Rebuilt.
26387 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26389 * i386.c (output_float_compare): Avoid GNU-C extensions.
26391 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26393 * version.c: Bump to distinguish mainline tree from the
26396 See ChangeLog.1 for earlier changes.