1 2000-05-01 Richard Henderson <rth@cygnus.com>
3 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5 2000-05-01 Richard Henderson <rth@cygnus.com>
7 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
9 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
11 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
14 2000-05-01 Richard Henderson <rth@cygnus.com>
16 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
17 emit_conditional_move.
19 2000-05-01 Jakub Jelinek <jakub@redhat.com>
21 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
22 as the dynamic linker.
24 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
26 * cppfiles.c (open_include_file): Open file in blocking mode.
27 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
28 Only exclude block devices and directories.
30 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
31 static. Allocate the hashnode and its string in the same
33 (del_HASHNODE): Don't free h->name.
34 (_cpp_lookup): If there is no entry for this string, create
36 (_cpp_lookup_slot): Delete.
37 * cpphash.h: Update prototypes.
39 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
41 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
42 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
43 node here, just fill in the value field properly. "Delete"
44 entries by setting the value field to T_VOID. Check for
45 hp->type == T_VOID, not hp == NULL.
47 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
48 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
51 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
53 * config/mn10300/mn10300.c (print_operand_address): Do not add
56 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
57 adjusted by less than 256 bytes, use ret regardless of having any
58 callee-saved register to restore.
60 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
62 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
64 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
66 * config/i386/djgpp.h (INT_ASM_OP): Define.
67 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
68 (ASM_WEAKEN_LABEL): Define.
69 (MASK_BNU210): Define.
70 (SUBTARGET_SWITCHES): Define.
71 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
72 (MAKE_DECL_ONE_ONLY): Define.
73 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
75 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
77 * i386/cygwin.h (INT_ASM_OP): Define.
79 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
81 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
82 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
84 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
86 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
87 __tmp_reg__ and __zero_reg__ initialization.
89 2000-04-30 Richard Henderson <rth@cygnus.com>
91 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
93 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
94 referenced bewteen the condition and the jump. Don't delete
95 anything but the jump.
97 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
99 * bb-reorder.c (scope_def): New struct.
100 (scope_forest_info): New struct.
101 (struct reorder_block_def): New member "scope".
102 (REORDER_BLOCK_SCOPE): New macro.
103 (relate_bbs_with_scopes): New function and prototype.
104 (make_new_scope): Likewise.
105 (build_scope_forest): Likewise.
106 (remove_scope_notes): Likewise.
107 (insert_intra_1): Likewise.
108 (insert_intra_bb_scope_notes): Likewise.
109 (insert_inter_bb_scope_notes): Likewise.
110 (rebuild_scope_notes): Likewise.
111 (free_scope_forest_1): Likewise.
112 (free_scope_forest): Likewise.
113 (dump_scope_forest): Likewise.
114 (dump_scope_forest_1): Likewise.
115 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
116 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
118 (reorder_basic_blocks): Added calls to build_scope_scope_forest
119 and remove_scope_notes before reordering is done. Added calls to
120 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
121 after reordering is done.
123 2000-40-30 Bruce Korb <bkorb@gnu.org>
125 * fixinc/inclhack.def: Added definitions needed by OSR5,
126 removed two stale entries (defined away with OLD_CPP).
127 * fixinc/inclhack.sh: regen
128 * fixinc/fixincl.x: regen
130 2000-04-30 Richard Henderson <rth@cygnus.com>
132 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
133 from the last insn in the sequence.
135 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
137 * cpplex.c (cpp_idcmp): New function.
138 * cpplib.h: Prototype it.
139 * scan_decls.c (scan_decls): Use it to inspect token names.
140 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
141 the file being run through the preprocessor.
142 (check_macro_names): Provide length of token to cpp_defined.
144 * Makefile.in: Remove stale warning message.
146 * cppfiles.c (redundant_include_p): Provide length of token to
148 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
149 values are unsigned int.
150 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
151 (_cpp_lookup_slot): Do not calculate the hash, either.
152 * cpphash.h: Update prototypes.
153 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
154 Hashes are unsigned int. Calculate hash here, pass by value
157 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
159 * simplify-rtx.c (check_value_useless): Delete function.
160 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
162 (cselib_invalidate_regno): Likewise.
163 (cselib_invalidate_mem_1): Likewise.
164 (references_value_p): Recognize useless values by the fact that they
166 (discard_useless_values): Likewise.
167 (cselib_record_set): This may turn a useless value
170 2000-04-30 Richard Henderson <rth@cygnus.com>
172 * config/d30v: New port.
174 * configure.in (d30v-*): Set fp format.
175 * configure: Rebuild.
177 2000-04-30 Richard Henderson <rth@cygnus.com>
180 * Makefile.in (OBJS): Add it.
181 (ifcvt.o): New target.
182 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
183 and conditional arithmetic.
184 (find_insert_position): Remove.
185 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
186 * toplev.c (DFI_ce, DFI_ce2): New.
187 (dump_file): Add ce and ce2 dumps.
188 (rest_of_compilation): Run if_convert a couple o times. Set
189 cse_not_expected after cse2. Don't set no_new_pseudos until
190 after sched1 or recompute_reg_usage.
192 2000-04-30 Richard Henderson <rth@cygnus.com>
194 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
195 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
197 2000-04-30 Richard Henderson <rth@cygnus.com>
199 * flow.c (struct reg_cond_life_info): New.
200 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
201 (init_propagate_block_info): Initialize them.
202 (free_propagate_block_info): Destruct them.
203 (mark_set_1): Consider conditional life before killing a register.
204 (mark_regno_cond_dead): New.
205 (free_reg_cond_life_info): New.
206 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
207 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
208 (mark_used_reg): Record conditional life.
210 * haifa-sched.c (schedule_insns): Disable death counting
211 sanity check for HAVE_conditional_execution.
213 2000-04-30 Richard Henderson <rth@cygnus.com>
215 * Makefile.in (TIMEVAR_H): New.
216 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
217 (timevar.h): Remove rule.
219 2000-04-29 Richard Henderson <rth@cygnus.com>
221 * config/alpha/crtend.asm: Use C comments instead of #.
222 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
224 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
226 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
228 * cpphash.h (enum node_type: Take out T_MCONST.
229 (union hashval): Move into struct hashnode.
230 (struct hashnode): Pack tighter. Remove file, line, col
232 * cpphash.c: Constify most of the macro-definition structures.
233 (struct definition): Replace by struct object_defn
234 and struct funct_defn. Put file, line, column information
235 here. All users updated to match.
236 (_cpp_create_definition, _cpp_macroexpand): Remove special
237 case for #define WORD OTHERWORD.
238 * cpplib.c (do_undef): Remove T_MCONST case.
240 * cpphash.h: Move struct reflist, struct definition, and the
241 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
242 union hashval. _cpp_free_definition takes a HASHNODE pointer.
243 * cpphash.c (_cpp_free_definition): Free data pointed to by
244 MCONST, XCONST, MACRO, and FMACRO nodes properly.
245 (_cpp_create_definition, del_HASHNODE): Just call
246 _cpp_free_definition to clear out a hashnode.
247 * cpplib.c (do_pragma_poison): Likewise.
249 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
251 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
252 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
253 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
254 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
255 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
256 REGNO_AM33_P): Redefine in terms of the new macros.
257 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
258 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
259 STRUCT_VALUE): Likewise.
260 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
261 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
263 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
265 * regmove.c (struct record_stack_memrefs_data): New.
266 (record_stack_memrefs): New function.
267 (combine_stack_adjustments_for_block): Use it.
269 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
271 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
272 use special_function_p to detect alloca.
274 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
276 * gcc.texi: Fixes for makeinfo 4.0 --html.
278 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
280 * pcp.h: Delete file.
282 2000-04-28 Kazu Hirata <kazu@hxi.com>
284 * h8300.c (function_epilogue): Clean up flags when the last insn
285 in a function is a barrier.
287 2000-04-28 Chris Demetriou <cgd@sibyte.com>
289 * configure.in (sparc-hal-solaris2*): protect [] glob from
291 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
292 rather than hard-coded constants in target_cpu_default2.
293 * configure: Regenerate.
295 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
297 * tree.c (get_callee_fndecl): Extract the initial value from
300 2000-04-28 Richard Henderson <rth@cygnus.com>
302 * varasm.c (record_constant_1): Record the CODE_LABEL when
303 taking the address of a LABEL_REF.
305 2000-04-28 Richard Henderson <rth@cygnus.com>
306 Jan Hubicka <jh@suse.cz>
308 * calls.c (combine_pending_stack_adjustment_and_call): Return the
309 adjustment; don't do the stack adjust.
310 (expand_call): Call compute_argument_block_size right before
311 allocating the block; update comment; don't do alignment sanity
312 checking for sibling call; use args_size instead of
313 unadjusted_args_size before args_size is adjusted. Use
314 combine_pending_stack_adjustment_and_call to compute stack adjust
315 for must_preallocate case.
317 * expr.c (push_block): Remove shadow `temp' in inner scope.
319 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
321 * toplev.c (rest_of_compilation): Call
322 note_deferral_of_defined_inline_function even if the function
325 2000-04-28 Scott Bambrough <scottb@netwinder.org>
327 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
329 2000-04-28 Richard Henderson <rth@cygnus.com>
331 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
333 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
335 * timevar.c (init_timevar): DeANSIfy function definition.
337 2000-04-27 Alex Samuel <samuel@codesourcery.com>
339 * Makefile.in (timevar.o): Depend on flags.h.
340 * timevar.c (unused_stack_instances): New variable.
341 (timevar_push): Take a timevar_stack_def from
342 unused_stack_instances if available.
343 (timevar_pop): Push the popped timevar_stack_def onto
344 unused_stack_instances.
345 (TIMEVAR_ENABLE): New macro.
346 (timevar_def): Make standalone a 1-bit field. Add field used.
347 (get_time): Rename parameter to now. Return after clearing it if
349 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
350 (timevar_pop): Likewise.
351 (timevar_stop): Likewise.
352 (timevar_push): Likewise. Mark the timing variable as used.
353 (timevar_start): Likewise.
354 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
355 timevars that were never used.
357 2000-04-27 Mark Mitchell <mark@codesourcery.com>
359 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
360 always TREE_READONLY.
362 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
364 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
365 for call instruction with mode QImode.
367 2000-04-27 Alex Samuel <samuel@codesourcery.com>
369 * Makefile.in (OBJS): Add timevar.o.
370 (toplev.o): Depend on timevar.h.
371 (ggc-simple.o): Likewise.
372 (ggc-page.o): Likewise.
373 (timevar.o): New rule.
374 (timevar.h): New rule.
376 * timevar.h: New file.
377 * timevar.c: Likewise.
378 * timevar.def: Likewise.
380 * toplev.h (gc_time, parse_time, varconst_time): Remove.
381 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
383 (TIMEVAR): Remove macro.
384 (gc_time, parse_time, varconst_time, integration_time, jump_time,
385 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
386 flow_time, combine_time, regmove_time, sched_time,
387 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
388 sched2_time, dbr_sched_time, reorder_blocks_time,
389 rename_registers_time, shorten_branch_time, stack_reg_time,
390 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
392 (compile_file): Don't initialize time variables. Call
393 init_timevar and start TV_TOTAL timer. Call timevar_print instead
394 of many calls to print_time.
395 (rest_of_compilation): Add timing for reload_cse_regs.
396 (get_run_time): Removed to timevar.c.
397 (print_time): Likewise.
398 (get_run_time): Implement using TV_TOTAL time variable.
399 (print_time): Get total run time from get_run_time.
400 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
401 computing elapsed time explicitly.
402 * ggc-simple.c (ggc_collect): Likewise.
403 (gc_time): Remove declaration.
405 2000-04-27 Mark Mitchell <mark@codesourcery.com>
407 * calls.c (combine_pending_stack_adjustment_and_call): New function.
408 (expand_call): Use it.
410 2000-04-27 Jan Hubicka <jh@suse.cz>
412 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
415 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
417 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
420 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
422 * function.c (epilogue_done): Pass whole insn to record_insns.
424 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
426 * cse.c (CSE_ADDRESS_COST): Remove.
427 (find_best_addr): Add new parameter "MODE", use address_cost instead
430 (fold_rtx): Update call of find_best_addr.
431 * rtl.h (address_cost): Declare.
432 * loop.c (general_induction_var): Add new parameter "MODE", use
433 address_cost instead of ADDRESS_COST
434 (init_loop): Use address_cost instead of ADDRESS_COST.
435 (check_insn_for_givs): Update call of general_induction_var.
436 (find_mem_givs): Likewise.
437 (consec_sets_giv): Likewise.
438 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
439 * i386.c (ix86_address_cost): New.
440 * i386-protos.h (ix86_address_cost): Declare.
442 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
444 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
447 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
449 * expr.c (store_expr): Use clear_storage instead of direct memset
452 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
454 * config/mn10300/mn10300.c (mn10300_address_cost): Test
455 ASHIFT, AND and LABEL_REF.
457 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
459 * invoke.texi (-foptimize-sibling-calls): Fix.
461 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
463 * loop.c (load_mems) Don't use hard registers for the hoisting.
465 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
466 calculation; rename const_equiv array in the preconditioning code
467 from loop_unroll to loop_unroll_precondition
469 2000-04-27 Richard Henderson <rth@cygnus.com>
471 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
473 (propagate_one_insn): Clear it. Don't update reg_live here.
474 (init_propagate_block_info): Update for pbi member changes.
475 (free_propagate_block_info): Likewise.
476 (mark_set_1): Know that zero_extract, sign_extract, and
477 strict_low_part don't kill their argument. Alter hard subregs.
478 Update new_set for non-CLOBBER sets. Update reg_live.
479 (find_auto_inc): Update reg_live, not new_dead.
480 (mark_used_reg): Update reg_live, not new_live. Examine new_set
481 to determine if the reg in question was set this insn. Only update
482 reg info with PROP_REG_INFO.
484 2000-04-26 Richard Henderson <rth@cygnus.com>
486 * flow.c (allocate_reg_life_data): Set max_regno here ...
487 (life_analysis): ... not here.
489 * flow.c (calculate_global_regs_live): Force stack pointer
492 2000-04-26 Richard Henderson <rth@cygnus.com>
494 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
495 commit change group changes.
496 (invert_exp_1): Similarly.
497 (redirect_exp, invert_exp): Use them.
498 (redirect_jump_1): New.
499 (invert_jump_1): New.
500 (jump_optimize_1): Remove code subsumed by condexec.c.
501 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
503 2000-04-26 Richard Henderson <rth@cygnus.com>
505 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
507 * genconfig.c (main): Set all HAVE_foo to 1.
509 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
511 2000-04-26 Alex Samuel <samuel@codesourcery.com>
513 * invoke.texi: Document -fssa flag.
515 2000-04-26 Richard Henderson <rth@cygnus.com>
517 * flow.c (count_reg_sets_1): Remove.
518 (count_reg_sets, count_reg_references): Remove.
519 (recompute_reg_usage): Implement with update_life_info.
520 Reallocate life data.
522 2000-04-26 Richard Henderson <rth@cygnus.com>
524 * flow.c (update_life_info): Consider blocks null to mean the
526 (calculate_global_regs_live): Likewise.
527 (life_analysis): Do that instead of collecting all_blocks.
529 2000-04-26 Richard Henderson <rth@cygnus.com>
531 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
532 a still-valid conditional jump.
534 2000-04-26 Richard Henderson <rth@cygnus.com>
536 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
538 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
539 * flow.c (calculate_loop_depth): Remove.
540 * output.h (calculate_loop_depth): Don't declare.
541 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
542 inline; run estimate_probability at the same time.
544 2000-04-26 Neil Booth <NeilB@earthling.net>
546 * cpplib.h: "~=" is not a single pp-token.
547 * cpplex.c: Correct commentary.
549 2000-04-26 Richard Henderson <rth@cygnus.com>
551 * flow.c (mark_set_1): New arguments code and flags; update all
552 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
553 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
554 loop_depth when optimizing for size. Do new_dead update after
555 emitting REG_UNUSED notes. Merge mark_set_reg code.
556 (mark_set_reg): Remove.
557 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
558 arrange to not emit REG_UNUSED notes.
560 2000-04-26 Richard Henderson <rth@cygnus.com>
562 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
563 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
565 2000-04-26 Richard Henderson <rth@cygnus.com>
567 * flow.c (propagate_one_insn): Break out from propagate_block.
568 (init_propagate_block_info): Likewise.
569 (free_propagate_block_info): Likewise.
570 (propagate_block): Use them. Export.
571 * basic-block.h: Declare them all.
573 2000-04-26 Richard Henderson <rth@cygnus.com>
575 * basic-block.h (life_analysis): Declare here ...
576 * output.h: ... not here.
577 * flow.c (life_analysis): Remove nregs parameter; replace
578 remove_dead_code with flags. Remove ssa dead code check.
579 Only init alias analysis if we'll use it.
580 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
581 * ssa.c (convert_to_ssa): Likewise.
582 (convert_from_ssa): Likewise.
583 * toplev.c (rest_of_compilation): Likewise.
585 2000-04-26 Richard Henderson <rth@cygnus.com>
587 * flow.c (flow_delete_block): Rename from delete_block. Export.
588 * basic-block.h (flow_delete_block): Declare.
590 2000-04-26 David S. Miller <davem@redhat.com>
592 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
593 taking a PATTERN of it.
595 2000-04-26 <NeilB@earthling.net>
597 * cpplex.c (spell_other, spell_char): Remove.
599 (token_spelling, trigraph_map): Use unsigned chars.
600 (_cpp_lex_line): Tidy up the switch statement.
601 * cpplib.h: Implement spell_char with spell_string.
604 2000-04-26 <RodneyBrown@pmsc.com>
606 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
607 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
609 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
612 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
613 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
614 dwarf2out_return_save, dwarf2out_return_reg,
615 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
616 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
617 gen_compile_unit_die, dwarf2out_init): Constify a char*.
619 * dwarf2out.h (dwarf2out_init): Likewise.
621 * dwarfout.c (filename_entry, primary_filename, last_filename,
622 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
624 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
625 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
626 dwarf2out_return_reg): Likewise.
628 2000-04-26 Andreas Jaeger <aj@suse.de>
630 * extend.texi (Function Attributes): Fix description of pure
633 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
635 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
636 before calling rest_of_compilation.
638 2000-04-26 Andreas Jaeger <aj@suse.de>
640 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
643 2000-04-25 Richard Henderson <rth@cygnus.com>
645 * cse.c (cse_insn): Emit barrier after unconditional jump.
647 * calls.c (expand_call): Disable tail call generation once
648 rtx_equal_function_value_matters is false.
650 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
653 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
655 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
657 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
659 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
660 is the primary DIE for a member function.
661 (gen_decl_die): Call set_decl_origin_self here.
662 * dwarfout.c (output_decl): And here.
663 * integrate.c (output_inline_function): Not here.
664 Don't clear DECL_INLINE until after calling rest_of_compilation.
665 (set_decl_origin_self): No longer static.
666 * tree.h: Add prototype.
667 * toplev.c (note_deferral_of_defined_inline_function): Only write
668 out abstract instance for actual inlines.
670 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
672 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
673 EXTENDED_REGS only if TARGET_AM33.
674 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
675 SP_REGS to register allocation and reloading unless absolutely
677 (movsi3): Remove special-case of adding non-constants to SP.
679 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
681 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
682 INCLUDES to search and does not provide any of its own. Also it
683 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
684 parameters. Also it does not call AC_DEFINE.
685 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
686 AC_DEFINE and provides for automatic entries for autoheader.
687 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
689 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
690 so we can pass -I flags and include gansidecl.h/system.h in this
693 * acconfig.h: Delete all NEED_DECLARATION_* entries.
695 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
697 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
698 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
699 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
701 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
702 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
703 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
704 for these macros. Clean up spacing and linewraps.
706 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
708 * calls.c (expand_call): Use get_callee_fndecl.
710 * print-tree.c (print_node): Print the chain of an _EXPR.
712 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
713 Jim Wilson <wilson@cygnus.com>
714 Andrew Haley <aph@cygnus.com>
716 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
717 and gp save/restore problems.
718 * config/ia64/crtend.asm: Add IA-64 unwind support.
719 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
720 in fr_pad_size calculation.
721 (save_restore_insns): Move PR save area. Correct uses of
723 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
724 (ia64_expand_epilogue): Add eh_epilogue support.
725 (ia64_function_prologue): Emit .prologue directive.
726 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
727 (ia64_override_options): Set init_machine_status and
729 (rtx_needs_barrier): Handle bsp reads and writes.
730 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
731 New static variables.
732 (process_set, process_for_unwind_directive): New functions.
733 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
734 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
735 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
737 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
738 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
739 (struct machine_function): Define.
740 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
742 2000-04-25 Bruce Korb <bkorb@gnu.org>
744 * fixinc/Makefile.in: make the removal of old programs more
746 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
747 install-bin and install-sh
749 2000-04-25 Nick Clifton <nickc@cygnus.com>
751 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
752 defined, define to return zero.
753 (function_cannot_inline_p): If a function has any target
754 specific attributes, then use the macro
755 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
756 whether it can be inlined. If it cannot, issue a suitable
759 * tm.texi: Add a new node 'Inlining' to document the new macro
760 FUNCTION_ATTRIBUTE_INLINABLE_P.
762 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
764 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
767 2000-04-25 Neil Booth <NeilB@earthling.net>
769 Restore previous patch, plus the following fixes:
771 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
772 flags, not CPP_OPEN_PAREN.
773 * cpplex.c (expand_token_space, init_token_list,
774 cpp_free_token_list): Put the dummy token at list->tokens[-1].
775 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
777 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
779 * config/i386/freebsd.h (INT_ASM_OP): Define.
781 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
783 * loop.c (strength_reduce): Fix typo in the last checkin.
785 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
787 * stor-layout.c (finalize_record_size): Simplify to use existing
789 (compute_record_mode): No longer static.
790 * tree.h (compute_record_mode): New declaration.
792 2000-04-25 Neil Booth <NeilB@earthling.net>
794 * Revert my patch below until cause of build failures
797 2000-04-25 Richard Henderson <rth@cygnus.com>
799 * combine.c (combine_instructions): Add missing argument
802 * toplev.c (rest_of_compilation): Delay sibcall optimization
803 until after emit_eh_context.
805 2000-04-24 Nick Clifton <nickc@redhat.com>
807 * combine.c (combine_instructions): Do not try to combine a
808 sequence of insns when the second insn has been replaced by a
811 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
813 * gcc.c (load_specs): New static function.
814 (read_specs): Use it.
816 * gcc.c (lookup_compiler): Make multiple passes for case
817 insensitive filesystems.
819 2000-04-24 Neil Booth <NeilB@earthling.net>
821 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
822 * cpphash.h (_cpp_check_directive): new.
823 * cpplex.c (handle_newline, cpp_free_token_list,
824 init_trigraph_map, trigraph_ok, trigraph_replace,
825 backslash_start, skip_block_comment, skip_line_comment,
826 skip_whitespace, parse_name, parse_number, parse_string,
827 copy_comment, _cpp_lex_line, spell_char, spell_string,
828 spell_comment, spell_name, spell_other, _cpp_lex_file,
829 _cpp_output_list): new.
830 (expand_name_space): take length argument.
831 (init_token_list): add comment list initialisation.
832 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
833 instead of HSPACE_BEFORE.
835 * cpplib.c (_cpp_check_directive): new
836 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
837 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
838 (HSPACE_BEFORE): delete.
839 (TTYPE_TABLE): rearrange.
840 (struct cpp_toklist): update.
842 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
845 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
846 argument form of AC_DEFINE.
848 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
849 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
850 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
851 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
852 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
854 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
856 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
859 deduced.h): Use -isystem, not -I, for including system headers.
861 2000-04-24 Nick Clifton <nickc@cygnus.com>
863 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
864 the source register is the frame pointer or arg pointer.
865 (addsi3_small_int): Disallow if source register is the frame
866 pointer or arg pointer.
868 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
870 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
871 call to AC_MSG_RESULT.
873 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
875 * invoke.texi: Correct grammatical errors, document
876 -fno-gnu-keywords as identical to -fno-asm for C++.
878 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
880 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
881 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
882 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
883 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
884 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
886 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
887 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
888 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
889 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
892 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
894 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
895 (pop_alignment): Likewise.
896 (handle_pragma_token): Likewise.
898 2000-04-24 Robert Lipe <robertlipe@usa.net>
900 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
902 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
904 * combine.c (try_combine): Update reg_nonzero_bits of
905 newi2pat before newpat.
907 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
909 * loop.c (strength_reduce): Simplify test to INSN_P.
910 (record_giv): Attempt to simplify the add value, use CONSTANT_P
911 expressions instead of CONST_INT.
912 (express_from_1): Likewise.
914 2000-04-24 Mark Mitchell <mark@codesourcery.com>
916 * regs.h (reg_n_max): Don't declare.
917 * flow.c (reg_n_max): Don't define.
918 * regclass.c (renumber): Don't initialize to zero.
919 (regno_allocated): Likewise.
921 (allocate_reg_info): Don't initialize unnecessarily.
923 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
925 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
926 and blockage_p in the newly allocated attribute.
928 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
930 * config/mn10300/mn10300.md (addsi): `inc4' on address
931 registers does not modify cc, but `inc' on an extended
934 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
936 * reload.c (find_equiv_reg): Checks all valueno regs
937 as a reload_reg_p regs.
939 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
941 * cpphash.c (collect_objlike_expansion): Add sanity check.
942 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
943 the buffer is the empty string, return. Mark __DATE__ and
944 __TIME__ as XCONST nodes, not MCONST.
945 (_cpp_macroexpand): Avoid pushing an empty buffer.
946 (funlike_macroexpand): Don't pop token_buffer here.
948 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
950 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
951 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
952 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
953 (REGNO_OK_FOR_BASE_P): Define in terms of them.
954 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
955 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
956 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
958 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
960 * loop.c (simplify_giv_expr): Be more agressive on simplifying
963 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
965 * cpphash.h (struct definition): Move file, line, col members...
966 (struct hashnode): ... here. Also add 'disabled' flag.
967 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
968 T_IDENTITY. Remove T_DISABLED.
971 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
972 (collect_expansion): Split into collect_objlike_expansion and
973 collect_funlike_expansion.
974 (_cpp_macroexpand): Split out scan_arguments, stringify, and
976 (_cpp_compare_defs): Rename compare_defs, make static.
977 (_cpp_make_hashnode): Initialize hp->disabled.
978 (macro_cleanup): Adjust for new token types. Clear
980 (_cpp_create_definition): Move code here to determine what
981 sort of macro it is, and code to check for redefinitions, from
982 do_define. Implement a few simple cases without creating a
984 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
985 Handle the simple cases.
986 (push_macro_expansion): Set buf->has_escapes and hp->disabled
989 * cppinit.c (builtin_array): Change MCONST to XCONST
991 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
992 fix check for disabled and function-like macros.
993 * cpplib.c (do_define): Move most logic to
994 _cpp_create_definition.
995 (do_undef): Handle new special token types.
997 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
999 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1000 of CONSTANT_P for mult_val; always use validate_change to update insn.
1002 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1004 * cpphash.c (trad_stringify, add_pat): New functions.
1005 (collect_expansion): Restore support for -traditional syntax.
1006 Use trad_stringify and add_pat.
1007 (_cpp_macroexpand): Restore support for -traditional semantics.
1008 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1009 get a COMMENT token.
1010 (_cpp_lex_token): Provide COMMENT tokens to caller if
1011 traditional and parsing_define_directive.
1012 (skip_comment): Warn about // comments if -Wtraditional.
1013 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1015 (do_undef): Don't warn about undefining EMPTY nodes.
1017 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1019 * loop.c (strength_reduce): Fix biv removal code.
1021 2000-04-22 Richard Henderson <rth@cygnus.com>
1023 * predict.c (estimate_probability): Examine both sides of
1024 a branch for no exits. Use 90% not 50% for predict taken.
1025 Reorg for one copy of note generation code.
1027 2000-04-22 Richard Henderson <rth@cygnus.com>
1029 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1031 2000-04-22 Richard Henderson <rth@cygnus.com>
1033 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1034 (output_clear): Likewise.
1035 (output_printf): Use va_copy.
1036 (vline_wrapper_message_with_location): Likewise.
1037 (v_message_with_decl): Likewise.
1038 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1039 * system.h (va_copy): Provide default implementation.
1041 2000-04-22 Richard Henderson <rth@cygnus.com>
1043 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1044 the collected condition is not a constant.
1046 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1048 * diagnostic.h: New file.
1050 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1052 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1053 various function prototypes.
1054 (diagnostic.h): #include.
1055 (struct output_buffer): Move into diagnostic.h.
1056 (get_output_prefix): Rename to output_get_prefix. Export.
1057 (init_output_buffer): Export. Break out. Ajust intialization.
1058 (output_space_left, output_append): Export.
1059 (output_newline): Rename to output_add_newline. Export.
1060 (output_clear): Nullify additional output_buffer fields.
1061 (output_puts): Rename to output_add_string. Export.
1062 (dump_output): Rename to output_flush_on. Export.
1063 (build_location_prefix): Constify return-type.
1064 (emit_output_prefix): Rename to output_emit_prefix. Export.
1065 (set_real_maximum_length): New function.
1066 (output_set_maximum_length): Ditto
1067 (output_clear): Ditto.
1068 (output_add_character): Ditto.
1069 (output_add_integer): Ditto.
1070 (output_add_space): Ditto.
1071 (output_format): Ditto.
1072 (output_printf): Adjust buffer initialization.
1073 (vline_wrapper_message_with_location): Ditto.
1074 (v_message_with_decl): Ditto. Adjust call to output_puts
1075 and get_output_prefix.
1076 (default_print_error_function): Adjust buffer intialization.
1078 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1080 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1083 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1085 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1088 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1090 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1091 accurate data about SP moves.
1093 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1095 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1096 aliases to AM33 registers.
1098 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1100 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1101 to all EXTENDED bitmaps.
1103 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1105 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1106 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1107 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1109 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1111 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1112 the operand is not constant.
1114 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1116 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1117 as a call-clobbered regs.
1119 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1121 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1123 * rtl.def: Update comment.
1124 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1125 * integrate.c (expand_inline_function): Likewise.
1126 * profile.c (branch_prob): Likewise.
1127 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1128 * print-rtl.c (print_rtx): Likewise.
1129 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1130 (reemit_notes): Likewise; also use enum insn_note.
1132 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1133 (place_field): Properly compute know and actual alignment.
1135 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1138 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1141 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1143 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1144 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1145 (collect_expansion): Rewrite to scan over a token list.
1146 Remove -traditional support.
1147 (collect_formal_parameters): Rename to collect_params; rewrite
1148 to scan over a token list.
1149 (_cpp_create_definition): Adjust to scan a token list.
1150 (_cpp_macroexpand): Remove -traditional support.
1151 (_cpp_compare_defs): Whitespace is now canonicalized.
1152 (comp_def_part): Delete function.
1154 * cpphash.h: Update prototypes.
1155 * cpplex.c (init_token_list): Don't set lineno if there is no
1157 (pedantic_whitespace): New function.
1158 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1159 consume a newline. Use pedantic_whitespace.
1160 (_cpp_lex_token): Remove support for -traditional macros.
1161 (_cpp_get_define_token): Delete.
1162 (_cpp_get_directive_token): Do the real work here. Use
1163 pedantic_whitespace.
1164 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1166 * cpplib.c (get_macro_name): Delete.
1167 (do_define): Read the entire line into pfile->directbuf, then
1168 feed the token list to _cpp_create_definition.
1169 * cpplib.h (HSPACE_BEFORE): new define.
1170 (struct cpp_reader): Add a toklist member, "directbuf".
1172 * predict.c (estimate_probability): New heuristic: if a jump
1173 branches around a block with no successors, predict it taken.
1174 Disentangle control flow.
1176 2000-04-20 Richard Henderson <rth@cygnus.com>
1178 * loop.c (emit_iv_add_mult): Revert last change.
1180 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1182 * cpplib.h (enum cpp_ttype): Add token types for all
1183 punctuators. Distinguish pp-numbers from valid C numbers.
1184 Give some tokens better names. Initialize from macro.
1185 (struct cpp_name, cpp_token, cpp_toklist): New data
1188 * cpplex.c (bump_column, expand_name_space,
1189 expand_token_space, init_token_list, cpp_output_list,
1190 _cpp_scan_line): New functions.
1191 (output_line_command): Add third argument, new line number.
1192 * cpphash.h: Update prototypes.
1193 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1196 2000-04-20 Richard Henderson <rth@cygnus.com>
1198 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1200 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1202 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1205 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1207 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1208 REG_EQUAL note explaining the calculated value.
1210 * calls.c (expand_call): Avoid unnecesary precalculation
1211 and outgoing parameters space guarding for sibling calls.
1212 (store_one_arg): Likewise.
1214 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1216 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1217 (rest_of_compilation): Write sibling dump file and account
1218 for time as jump time.
1219 * invoke.texi: Update documentation on dump flags.
1221 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1223 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1225 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1227 * cpphash.c (special_symbol): Represent an empty macro with
1228 "\r \r " not just "\r ".
1229 (_cpp_macroexpand): Correct condition for the foo ( ) special
1231 (unsafe_chars): Handle EOF as second argument.
1232 (push_macro_expansion): Simplify test for removing escape at
1233 end. Do not trim both escapes if there is no text in between.
1235 2000-04-19 Jim Blandy <jimb@redhat.com>
1237 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1238 of PTR_SIZE, when appropriate.
1240 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1242 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1243 (USE_ENUM_BITFIELDS): Fix typo.
1245 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1247 * stor-layout.c (place_field): Set rli->offset_align properly.
1249 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1251 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1252 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1253 PARM_BOUNDARY): Remove unnecessary casts.
1255 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1257 * calls.c (precompute_arguments): Remove must_preallocate and
1259 (expand_call): Update call of precompute_arguments.
1261 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1262 check_insn_for_givs): Break out from ...
1263 (strength_reduce) ... here; use for_every_insn_in_loop to call
1264 check_insn_for_givs.
1265 * loop.h (for_every_insn_in_loop): Declare.
1266 (loop_insn_callback): New type.
1268 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1270 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1273 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1275 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1278 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1280 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1282 * configure.in: Delete --disable-cpplib option and all
1283 references to cpp_main.
1284 * configure: Regenerate.
1285 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1286 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1287 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1288 cpp$(exeext). Add --no-headers to makeinfo command line when
1289 generating INSTALL. Install and uninstall cpp.1 manpage, not
1291 * install.texi: Delete all references to cexp.y/cexp.c.
1292 Delete ancient instructions for compiling GCC on 3b1.
1293 * INSTALL: Regenerate.
1295 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1296 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1297 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1299 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1300 which is no longer tested anywhere.
1302 * cppinit.c (handle_option): Don't run error message through
1305 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1307 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1308 * cpperror.c (hashtab.h): Now include.
1309 * cppexp.c (hashtab.h): Likewise.
1310 * cpplex.c (hashtab.h): Likewise.
1311 * cppfiles.c (hashtab.h): Likewise.
1312 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1313 to htab_find_slot_with_hash.
1314 * cpphash.c (hashtab.h): Now include.
1315 (_cpp_lookup_slot): INSERT is now enum insert_option.
1316 * cpphash.h (_cpp_lookup_slot): Likewise.
1317 * cppinit.c (hashtab.h): Include earlier.
1318 (initialize_builtins): Pass enum to htab_find_slot.
1319 * cpplib.c (hashtab.h): Now include.
1320 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1321 (do_pragma_poison, do_assert): Likewise.
1322 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1323 htab_find_slot_with_hash.
1324 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1325 * tree.c (type_hash_add): Likewise.
1326 (build1): Minor cleanup.
1328 * ggc-common.c: Add missing blanks.
1329 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1330 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1332 * stmt.c (mark_case_node): New function.
1333 (mark_case_nesting): Call it.
1335 * expmed.c (emit_store_flag): If comparing two-word integer
1336 with zero, can optimize NE, EQ, GE, and LT.
1338 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1339 * conflict.c: Minor cleanups.
1340 * optabs.c: Add blank line
1341 * simplify-rtx.c: Minor cleanups.
1343 2000-04-18 Stan Cox <scox@cygnus.com>
1345 * gengenrtl.c (genlegend): Fix misspelling.
1347 2000-04-18 Robert Lipe <robertlipe@usa.net>
1349 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1350 bitfields of the host compiler are not signed quantities.
1351 * config.in: Regenerate.
1352 * configure: Regenerate.
1353 * system.h (USE_ENUM_BITFIELDS): Added.
1354 (ENUM_BITFIELDS): Added.
1355 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1356 (SHORT_ENUM_BUG): Deleted.
1357 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1359 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1360 (CODE_FIELD_BUG): Likewise.
1361 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1363 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1365 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1367 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1370 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1372 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1373 * cpplib.c (do_include, do_import, do_include_next,
1374 read_line_number, detect_if_not_defined): Likewise.
1375 * cpphash.c (collect_expansion): Likewise.
1376 (special_symbol, _cpp_macroexpand): Check return from
1378 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1379 macros. Delete all uses.
1381 * gcc.dg/cpp-mi.c: Add two more test cases.
1382 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1384 2000-04-17 Richard Henderson <rth@cygnus.com>
1386 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1387 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1389 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1391 * function.c (expand_function_start): Use hard_function_value to
1392 compute the RTL to use for DECL_RESULT.
1394 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1396 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1397 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1398 x86_memory_mismatch_stall): New global variables.
1399 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1400 alloved; fix load penalties for Athlon.
1401 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1402 x86_memory_mismatch_stall): Declare.
1403 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1404 TARGET_MEMORY_MISMATCH_STALL): New.
1405 * i386.md (athlon scheduling parameters): Fix latencies according to
1406 Athlon Optimization Manual.
1407 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1409 (fsqrt instruction patterns): Set athlon_decode to direct.
1410 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1411 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1412 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1413 and TARGET_PARTIAL_REGISTER_STALL machines.
1414 (pushdf_nointeger): New pattern.
1415 (pushdf_integer): Rename from pushdf.
1416 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1417 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1419 2000-04-17 Richard Henderson <rth@cygnus.com>
1421 * loop.c (canonicalize_condition): Add WANT_REG argument.
1422 Stop the search if we match it.
1423 * expr.h (canonicalize_condition): Update decl.
1424 * predict.c (expected_value_to_br_prob): Use it. Track last
1425 expected value note.
1426 (find_expected_value): Remove.
1428 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1430 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1432 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1433 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1435 * configure.in: Call AC_FUNC_MMAP_FILE.
1436 * configure: Regenerate.
1437 * config.in: Regenerate.
1439 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1440 * fixinc/fixincl.c: Likewise.
1442 2000-04-17 Richard Henderson <rth@cygnus.com>
1444 * builtins.c (expand_builtin_expect): New.
1445 (expand_builtin): Call it.
1446 * builtins.def (BUILT_IN_EXPECT): New.
1447 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1448 * extend.texi: Document it.
1450 * predict.c (expected_value_to_br_prob): New.
1451 (find_expected_value): New.
1452 * basic-block.h (expected_value_to_br_prob): Declare.
1453 * toplev.c (rest_of_compilation): Invoke it.
1455 * rtl.h (NOTE_EXPECTED_VALUE): New.
1456 (NOTE_INSN_EXPECTED_VALUE): New.
1457 * rtl.c (note_insn_name): Update.
1458 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1459 cases; handle NOTE_INSN_EXPECTED_VALUE.
1461 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1463 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1464 leaf sibcall delay slot if flag_pic.
1465 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1467 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1469 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1471 * fixproto: If fix-header fails, exit with an error.
1473 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1475 * cse.c (struct check_depdendence_data): New.
1476 (check_dependence): New function.
1477 (invalidate): Use check_depdenence.
1479 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1481 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1482 UNITS_PER_WORD is unsigned.
1484 * tree.h (struct tree_common): Remove misleading comment.
1486 2000-04-16 Dave Pitts <dpitts@cozx.com>
1488 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1489 message in quotes. Otherwise, IBM's make program treats the '#' as the
1490 start of a comment and ignores the remainder of the line.
1492 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1494 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1495 * cexp.y (initialize_random_junk): Likewise.
1496 * cppfiles.c (find_include_file): Cast alloca return value.
1497 * cppinit.c (initialize_standard_includes): Likewise.
1498 * cpplib.c (cpp_define, cpp_undef): Likewise.
1499 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1500 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1501 * fold-const.c (CHARMASK): New.
1502 (real_hex_to_f): Use it.
1503 * real.c (CHARMASK): New.
1504 (etoasc, asctoeg): Use it.
1505 (asctoeg): EBCDIC lower case characters preceed upper case.
1507 * i370.c (mvs_add_label): Change spacing for coding conventions.
1508 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1509 outputing case vectors.
1510 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1511 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1512 since vector in in the data CSECT.
1513 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1514 * i370.md (Many patterns): Put the length in the XL directives.
1515 (movdi): Put back STM and MVC in definition.
1516 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1517 pattern using the TCA.
1518 * oe.h (CPP_SPEC): Added to allow trigraphs.
1519 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1520 not support the "long long" type.
1522 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1524 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1526 (mips_reg_mode_ok_for_base_p): Likewise.
1527 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1528 (REG_OK_FOR_INDEX_P): Define unconditionally.
1529 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1530 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1531 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1532 that GET_MODE_SIZE is unsigned.
1533 (mips_reg_mode_ok_for_base_p): Define.
1534 (mips_legitimate_address_p): Likewise. Adjust now
1535 that GET_MODE_SIZE is unsigned.
1536 (block_move_loop): Make the number of bytes unsigned.
1537 (expand_block_move): Likewise.
1538 (function_arg): Make the loop counter unsigned to match the
1541 2000-04-16 Richard Henderson <rth@cygnus.com>
1543 * rtl.h (enum insn_note): New enumeration. Subsume
1544 NOTE_INSN_DELETED and friends.
1545 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1546 * rtl.c (note_insn_name): Tweak string order.
1548 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1550 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1553 * cpplex.c (output_line_command): Remove debugging prints.
1554 (cpp_output_tokens): Don't write out a zero-length buffer or
1555 try to see if it has a newline in it.
1556 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1557 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1558 the end of the loop. Use memmove. Don't read past the end of
1559 the buffer. Remove trailing newlines from error messages.
1561 2004-04-16 Neil Booth <NeilB@earthling.net>
1563 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1564 * cpplib.c: Add new syntax flags to directive table, and
1567 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1569 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1572 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1574 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1575 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1577 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1579 * Makefile.in (ggc-page.o): Now includes toplev.h.
1580 * ggc-page.c (toplev.h): Now included.
1581 (gc_time): Remove declaration.
1582 (ggc_collect): TIME now long.
1583 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1585 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1587 * toplev.c: Make *_time variable long to reduce chance of overflow.
1588 (TIMEVAR): Likewise for `otime'.
1589 (print_time): Arg is now long; compute percentage in FP and round.
1590 * toplev.h (print_time): Arg is long.
1592 * tree.c: Minor whitespace changes.
1594 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1595 * configure: Rebuilt.
1596 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1597 (__fixunsxfDI): Renamed from __fixunsxfdi.
1598 (__fixunsdfDI): Renamed from __fixunsdfdi.
1599 (__fixunssfDI): Renamed from __fixunssfdi.
1600 (__floatdisf): Use proper type in REP_BIT macro.
1601 (__fixunsxfSI): Renamed from __fixunsxfsi.
1602 (__fixunsdfSI): Renamed from __fixunsdfsi.
1603 (__fixunssfSI): Renamed from __fixunssfsi.
1604 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1605 Change location of macros and upper-case some names as above.
1606 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1607 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1609 * varasm.c (assemble_variable): Add cast to remove warning.
1610 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1612 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1613 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1614 region number to -1.
1616 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1618 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1619 call unshare_all_rtl.
1621 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1623 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1625 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1626 Use .s1 not .s0 for all FP instructions.
1628 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1630 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1632 (safe_fwrite, output_line_command): New static functions.
1633 (cpp_expand_to_buffer): Now private to cpplib.
1634 (cpp_scan_buffer): Take a printer.
1636 * cpphash.h: Update prototypes.
1637 * cpplib.h: Update prototypes.
1639 (cpp_buffer): Remove last_nominal_fname.
1640 (cpp_reader): Remove lineno.
1642 * cppmain.c: Use a cpp_printer.
1643 * fix-header.c: No need to inhibit line commands. Call
1644 cpp_start_read with no printer.
1646 * cpperror.c (cpp_notice_from_errno): Provide default name.
1647 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1648 (find_include_file, cpp_read_file): Use make_IHASH.
1649 (file_cleanup): Set control_macro and clear
1650 input_stack_listing_current here.
1651 (_cpp_execute_include): Don't output entering-file marker.
1652 * cpphash.c (special_symbol): Look for the line number in the
1653 buffer, not the reader.
1654 (_cpp_macroexpand): No need to disable line commands.
1655 (_cpp_dump_definition): No need to generate line commands.
1656 (dump_hash_helper): Remove excess newline from output.
1657 * cppinit.c (dump_special_to_buffer): No need to generate line
1659 (cpp_printer_init): New.
1660 (cpp_start_read): Take a printer, and start it up if it's not
1661 NULL. No need to generate line commands.
1662 (cpp_finish): Expect no buffers stacked at all. Take a
1663 printer argument, and flush the output buffer if it's not
1665 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1666 Don't put two hashes at the beginning of an assertion.
1667 (cpp_get_token): Don't increment pfile->lineno or emit line
1668 commands here. Return EOF if there's no buffer when we get
1670 * cpplib.c (do_define, skip_if_group):
1671 No need to disable line commands.
1672 (_cpp_output_line_command): Delete function.
1673 (do_line): Don't emit line commands here, but set things up so
1674 they will be emitted if necessary. Use _cpp_fake_ihash to
1675 make unique nominal_fnames if necessary.
1676 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1677 with 0 for column, not -1.
1678 (_cpp_handle_eof): Don't set the control macro here. Don't
1679 clear input_stack_listing_current here. Don't emit line
1682 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1684 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1685 always, use the default SVR4 start address.
1687 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1688 (LINK_SHLIB_SPEC): Define.
1689 (LINK_START_DEFAULT_SPEC): Define.
1690 (LINK_OS_DEFAULT_SPEC): Define.
1692 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1694 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1695 __do_global_ctors to handle constructors.
1696 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1697 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1698 (STARTFILE_MVME_SPEC): Likewise.
1699 (STARTFILE_SIM_SPEC): Likewise.
1700 (ENDFILE_ADS_SPEC): Use crtend.
1701 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1702 (ENDFILE_MVME_SPEC): Likewise.
1703 (ENDFILE_SIM_SPEC): Likewise.
1704 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1705 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1706 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1707 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1708 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1709 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1710 (CRTSTUFF_T_CFLAGS_S): Define.
1711 * config/rs6000/eabi-ctors.c: Delete.
1713 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1716 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1720 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1722 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1723 plus mask size is smaller or equal to the mode size.
1725 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1727 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1730 * expr.c (reload.h): Now included.
1731 (emit_block_move): Set volatile_ok when checking for movstr.
1732 (emit_move_1): Check for replacements in addresses in multi-word case.
1733 * Makefile.in (expr.o): Now includes reload.h.
1735 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1736 Never have a LIBCALL end a basic block.
1737 (find_basic_blocks_1): Likewise.
1738 Reorganize CALL_INSN cases.
1740 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1742 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1744 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1745 completers from mov.ret instruction.
1747 2000-04-14 Richard Henderson <rth@cygnus.com>
1749 * fold-const.c (extract_muldiv): Don't distribute and widen
1750 multiply across plus for non-sizetype unsigned types.
1752 2000-04-14 Richard Henderson <rth@cygnus.com>
1754 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1755 If the original source is dead in the incr insn, it's dead now.
1757 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1759 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1760 see if DECL_BIT_FIELD needs to still be set.
1762 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1764 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1765 print_int_cst_octal with something that's not an INTEGER_CST.
1767 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1768 and not a SUBREG to a FLOAT rtl.
1770 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1772 * emit-rtl.c (try_split): Avoid infinite loop if the split
1773 results in a sequence that contains the original insn.
1775 2000-04-13 Andreas Jaeger <aj@suse.de>
1777 * config/mips/mips.c (expand_block_move): Pass alignment
1778 argument to move_by_pieces in bits, not bytes.
1780 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1781 __pic__ for little endian.
1783 2000-04-13 Andreas Jaeger <aj@suse.de>
1785 * config/i386/i386-protos.h: Add prototype for
1786 uno_comparison_operator.
1788 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1790 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1791 * calls.c (ECF_PURE): New flag.
1792 (emit_call_1): Handle ECF_PURE calls.
1793 (initialize_argument_information): Unset ECF_PURE flag too.
1794 (precompute_arguments): Precompute for ECF_PURE too.
1795 (expand_call): Handle ECF_PURE calls too.
1796 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1797 accept value of 2 as pure function.
1798 (emit_library_call_value, emit_library_call): Rename no_queue argument
1800 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1802 * tree.h (DECL_IS_PURE): New macro.
1803 (struct tree_decl): Add pure_flag.
1804 * c-common.c (enum attrs): Add attribute "pure".
1805 (init_attributes): Initialize attribute "pure"
1806 (decl_attributes): Handle attribute "pure".
1807 * extend.texi (Attribute "pure"): Document.
1808 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1810 (flags_from_decl_or_type): Support attribute "pure".
1812 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1814 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1815 the token except for numbers and identifiers.
1817 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1819 * i386.c (ix86_expand_binary_operator,
1820 ix86_expand_unary_operator): Check no_new_pseudos
1821 instead of reload_in_progress and reload_completed.
1822 (ix86_split_ashldi, ix86_split_ashrdi,
1823 ix86_split_lshrdi): Check no_new_pseudos instead
1824 of reload_completed.
1826 2000-04-12 Jeffrey A Law (law@cygnus.com)
1828 * function.c (purge_addressof): Unshare any shared rtl created by
1829 purge_addressof and its children.
1831 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1833 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1836 2000-04-05 Andreas Jaeger <aj@suse.de>
1838 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1839 not compiling PIC code, add flags for mabi=64.
1840 (SUBTARGET_CPP_SIZE_SPEC): New.
1841 (SUBTARGET_CPP_SPEC): New.
1842 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1843 for MIPS/Linux and lots of code needs these defines.
1845 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1847 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1848 trying the "opposite arithmetic" approach.
1850 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1852 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1853 (struct sh_args): Add new field force_mem.
1854 (INIT_CUMULATIVE_ARGS): Initialize it.
1855 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1857 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1859 * calls.c (expand_call): Do not reverse args in "equal from" field.
1860 (emit_library_call_value_1): Emit_libcall_block for const and pure
1863 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1865 * reload1.c (reload_combine): Don't enable optimization for fixed
1866 registers when encountering a BARRIER.
1868 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1870 * builtins.c (expand_builtin_memcmp): Do expansion even with
1871 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1873 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1874 stack is propertly aligned; add sanity checking for aligned
1876 (expand_library_call_value_1): Add sanity checking for aligned
1879 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1881 * calls.c (emit_library_call_value_1): Change 3rd arg to
1882 locate_and_pad_parm to disregard the setting of partial.
1884 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1886 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1888 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1889 CALL_INSN from the normal case.
1891 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1893 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1894 New global variables.
1895 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1897 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1899 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1900 TARGET_ADD_ESP_8): New macros.
1901 * i386.md: Add peep2s to convert esp adjustments to push and pop
1903 (pushsi_prologue, popsi_epilogue): New patterns.
1905 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1907 * real.c (toe64): Remove stale #endif from the last change.
1909 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1911 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1912 * real.c (toe64): Revert previous change.
1914 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1916 * objc/objc-act.c: Include ggc.h.
1917 (objc_tree_index, objc_global_trees): Convert most of the
1918 static tree variables into a static array with previous names
1920 (objc_ellipsis_node): New variable.
1921 (lang_init): Call objc_act_parse_init and c_parse_init.
1922 Create objc_ellipsis_node.
1923 (build_selector_translation_table): Use objc_ellipsis_node instead
1925 (hack_method_prototype): Likewise.
1926 (get_arg_type_list): Likewise.
1927 (start_method_def): Likewise.
1928 (continue_method_def): Likewise.
1929 (gen_method_decl): Likewise.
1930 (ggc_mark_imp_list): New function.
1931 (ggc_mark_hash_table): New function.
1932 (objc_act_parse_init): New function.
1933 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1934 * c-parse.in (c_parse_init): For objc add roots of objc specific
1935 local tree variables.
1936 * objc/objc-parse.y: Rebuilt.
1937 * objc/objc-parse.c: Rebuilt.
1938 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1940 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1942 * cse.c (delete_trivially_dead_insns): Also delete insns
1943 that copy a register to itself where the destination is
1946 2000-04-11 Richard Henderson <rth@cygnus.com>
1948 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1949 (propagate_block): Initialize them. Use them in parallel instead
1950 of one tmp variable, ie revert much of the 0408 and 0407 functional
1951 changes, but keep the structural changes.
1952 (mark_set_regs): Take new_dead from propagate_block_info instead.
1953 (mark_set_1, mark_set_reg): Likewise.
1954 (mark_used_regs): Likewise with new_live.
1955 (mark_used_reg): Likewise. Revert 0408 change.
1957 2000-04-11 Nick Clifton <nickc@cygnus.com>
1959 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1961 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1963 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1965 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1966 const section to output a CONSTRUCTOR based on the same conditions
1969 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1971 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1972 * pa/pa-protos.h (output_call): Add additional argument indicating
1973 if the call is a sibling/tail call.
1974 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1975 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1976 (function_arg, function_arg_partial_nregs): Likewise
1977 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1978 (emit_move_sequence): Zero extend certain constants as needed
1980 (compute_zdepdi_operands, output_64bit_and): New functions.
1981 (output_64bit_ior, function_arg): Likewise.
1982 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1983 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1984 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1985 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1986 (output_bvb): Likewise.
1987 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1988 (output_call): New argument 'sibcall'. Generate sibcall sequences
1990 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1991 (ouput_arg_descriptor): Do not emit argument descriptors for
1993 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1995 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1996 (FUNCTION_OK_FOR_SIBALL): Define.
1997 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1998 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1999 (CPP_SPEC): Use new spec infrastructure.
2000 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2001 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2002 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2003 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2004 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2005 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2006 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2007 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2008 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2009 (FUNCTION_ARG); Call out to C code.
2010 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2011 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2012 (MIN_UNITS_PER_WORD): Likewise.
2013 * pa/pa.md (cmpdi): New expander.
2014 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2015 (64bit conditional arithmetic): New patterns.
2016 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2017 (movsicc): Not available if modes on all the operands to not match.
2018 (movdicc): New expander and associated patterns.
2019 (64bit branches): New patterns.
2020 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2021 (pre_ldd, post_std): New patterns.
2022 (64bit addil, load low part): New patterns.
2023 (special movsf constant): Not available for TARGET_64BIT.
2024 (movsf, movdf expanders): Force constants into memory.
2025 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2026 (64bit movdf/movdi patterns): New patterns.
2027 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2029 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2030 (adddi3 expander): Allow "arith_operand" for second input.
2031 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2032 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2033 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2034 (muldi3): New expander for TARGET_64BIT.
2035 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2037 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2038 patterns for TARGET_64BIT.
2039 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2040 patterns for TARGET_64BIT.
2041 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2042 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2043 (sibcall_epilogue): New expander.
2044 (casesi): Tweak for TARGET_64BIT.
2045 (call expanders): Set & use the outgoing argument pointer. Use the
2046 64bit call patterns as needed. Add additional arg to output_call.
2047 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2048 (sibcall, sibcall_internal_symref): New expanders.
2049 (sibcall_value, sibcall_value_internal_symref
2050 (interspace_jump): Turn into an expander + matching patterns.
2051 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2052 * pa/pa64-regs.h: Eliminate trigraph sequences.
2053 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2055 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2057 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2058 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2059 cpp_token with cpp_ttype everywhere.
2060 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2061 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2062 CPP_BUF_COL. Line and column numbers are unsigned int, not
2064 * cpplex.c (cpp_buf_line_and_col): Delete.
2065 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2066 'long lineno' to 'unsigned int lineno'.
2067 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2069 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2071 * extend.texi: ISO C99 is not a draft anymore.
2072 * invoke.texi: ISO C++ is not a draft anymore.
2073 * cpp.texi: __cplusplus is required by the ISO standard.
2075 * extend.texi (-fthis-is-variable): Undocument.
2076 * flags.h (warn_template_debugging): Remove declaration.
2077 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2078 -Wenum-clash, -Wtemplate-debugging): Undocument.
2080 2000-04-10 Nick Clifton <nickc@cygnus.com>
2082 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2084 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2086 (ARM_SIGN_EXTEND): Use HOST_UINT.
2087 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2088 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2089 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2090 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2092 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2093 (arm_gen_constant): Use HOST_UINT.
2094 (arm_canonicalize_constant): Use HOST_UINT.
2095 (arm_reload_in_hi): Use HOST_UINT.
2096 (arm_reload_out_hi): Use HOST_UINT.
2097 (output_multi_immediate): Use HOST_UINT.
2098 (int_log2): Use HOST_UINT.
2099 (arm_poke_function_name): Use HOST_UINT.
2100 (arm_output_epilogue): Use arm_volatile_func().
2101 (output_thumb_prologue): Use arm_strip_name_encoding().
2103 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2105 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2106 of sequence point problems.
2108 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2110 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2112 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2114 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2116 * sbitmap.h: Whitespace changes and use upper-case macro args.
2117 (struct simple_bitmap_def): All sizes now unsigned.
2118 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2119 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2120 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2121 (sbitmap_zero): Cast bzero arg to PTR.
2122 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2123 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2124 loop to make structure clearer.
2125 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2126 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2127 (sbitmap_a_and_b_or_c): Likewise.
2128 (sbitmap_intersection_of_succs): Minor cleanups.
2129 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2130 (sbitmap_union_of_preds): Likewise.
2131 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2132 (debug_sbitmap): New function.
2134 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2135 * c-typeck.c (convert_for_assignment): Likewise.
2137 * expmed.c (init_expmed): Don't free objects we make.
2138 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2140 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2141 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2143 * gcse.c (expr_hash_table_size): Now unsigned.
2144 (compute_ae_gen): Local variable `i' now unsigned.
2145 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2146 (compute_transout, hoist_code): Likewise.
2147 (compute_local_properties): Likewise, also hash_table_size.
2148 (alloc_expr_hash_table): N_INSNS now unsigned.
2149 (delete_null_pointer_checks): Mark arg F as unused.
2151 * regrename.c: Minor cleanups, including chang some variables
2154 2000-04-10 Neil Booth <NeilB@earthling.net>
2156 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2158 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2160 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2162 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2163 __classof__, and __headof__ from the list of gnu keywords.
2164 (-ansi): Remove -foperator-names from list of implied options.
2165 Do not call it ANSI C++.
2166 (-foperator-names): Document as -fno-operator-names.
2168 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2170 * cpphash.c (timestamp): Delete.
2171 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2172 (special_symbol): Remove unnecessary braces. Remove
2173 T_VERSION. Treat T_STDC like T_CONST unless
2174 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2175 when one is encountered, then convert them into T_MCONST
2177 * cppinit.c (builtin_array): version_string is T_MCONST.
2178 __STDC__ has a "1" in its cpval. Don't have a terminator
2179 entry. Clean up which entries are dumped.
2180 (initialize_builtins): Only __STDC__ gets the special
2181 -traditional treatment. Count the length of builtin_array.
2182 Render version_string here.
2183 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2184 * cpplib.h (struct cpp_reader): Remove timebuf.
2186 2000-04-09 Richard Henderson <rth@cygnus.com>
2188 * genrecog.c (pred): Update comparison_operator for the unordered
2191 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2193 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2194 (uno_comparison_operator): New.
2195 (put_condition_code): Handle UNORDERED/ORDERED.
2196 (unsigned_comparison): Likewise.
2197 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2198 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2199 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2200 update all callers. Handle all 8 unordered operators.
2201 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2202 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2203 * config/i386/i386.h (PREDICATE_CODES): Update.
2204 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2205 (ix86_expand_branch, ix86_expand_setcc): Update.
2206 * config/i386/i386.md (sunordered, sordered): New.
2207 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2208 (bunordered, bordered): New.
2209 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2210 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2211 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2213 2000-04-09 Philip Blundell <philb@gnu.org>
2215 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2217 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2219 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2220 fix_truncxfhi2): New patterns.
2221 * i386.c (output_fix_trunc): Handle converting to HImode.
2223 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2225 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2227 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2228 (for_each_successor_phi): Change parameter to basic_block.
2229 (coalesce_regs_in_successor_phi_nodes): Likewise.
2230 (coalesce_regs_in_copies): Likewise.
2231 (compute_coalesced_reg_partition): Use basic_block instead of index.
2232 * rtl.h (convert_to_ssa): Delete.
2233 (convert_from_ssa): Likewise.
2234 (successor_phi_fn): Likewise.
2235 (for_each_successor_phi): Likewise.
2236 (in_ssa_form): Likewise.
2237 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2238 (convert_from_ssa): Likewise.
2239 (successor_phi_fn): Likewise.
2240 (in_ssa_form): Likewise.
2241 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2242 * flow.c (calculate_global_regs_live): Pass a basic_block to
2243 for_each_successor_phi.
2245 2000-04-08 Richard Henderson <rth@cygnus.com>
2247 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2248 was modified in the current insn.
2250 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2252 * arm/thumb.md: Delete.
2253 * arm/thumb-protos.h: Delete.
2255 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2257 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2259 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2261 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2264 * arm.md (nop): Use the standard RTL expression. Don't code as a
2266 (*arm_nop, *thumb_nop): Delete.
2268 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2269 constants. Use casts instead.
2270 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2271 output_multi_immediate, arm_poke_function_name): Likewise.
2272 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2273 MASK_RETURN_ADDDR): Likewise.
2275 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2277 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2280 * arm.md (eh_epilogue): New function.
2281 * arm.h (struct machine_function): Move to here ...
2282 * arm.c: ... from here.
2283 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2284 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2285 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2287 2000-03-30 Nick Clifton <nickc@cygnus.com>
2289 * config/arm/semi.h (ASM_SPEC): Restore definition.
2290 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2292 * config/arm/elf.h (ASM_SPEC): Restore definition.
2293 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2295 * config/arm/arm.h (ASM_SPEC): Remove definition.
2296 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2298 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2300 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2302 2000-03-24 Nick Clifton <nickc@cygnus.com>
2304 Various formating tidyups, elimination of compile time
2305 warnings and synchronisation with internal sources:
2307 * config/arm/arm-protos.h (assemble_align): Add prototype.
2308 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2309 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2310 (arm_return_addr_rtx): Rename to arm_return_addr.
2312 * config/arm/arm.c: Include except.h.
2313 Define shorter typenames for strict minipool_node and struct
2315 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2317 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2318 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2320 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2322 (ASM_SPEC): Define if not already defined.
2323 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2325 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2326 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2327 arm_gen_compare_reg.
2328 (indirect_jump): Only accept register operands.
2329 (load_indirect_jump): Keep this pattern since combine can generate
2332 * config/arm/coff.h: Include aout.h.
2333 (MULTILIB_DEFAULTS): Only define if not already defined.
2335 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2336 into arm.h (so that COFF ports can support thumb based aliases).
2337 (ASM_SPEC): Move definition into arm.h
2339 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2340 redundant apcs spec.
2341 (ASM_SPEC): Move definition to arm.h
2343 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2345 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2346 for entries in the .bss section
2348 2000-03-23 Nick Clifton <nickc@cygnus.com>
2350 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2351 to thumb_far_jump_used_p.
2353 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2354 single integer parameter.
2356 * config/arm/arm.c (struct machine_function): Add two new
2357 fields, 'far_jump_used' and 'arg_pointer_live'.
2358 (thumb_far_jump_used_p): Once the decision has been made that
2359 far jumps might be used, always return true.
2360 If being called from the initial elimination offset macro then
2361 do not bother to perform the test if the arg pointer is not
2363 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2364 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2366 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2368 * arm.c (output_return_instruction): Handle more cases where we can
2369 return from a function with an ldr instruction.
2370 (arm_output_epilogue): Likewise.
2372 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2373 if we need to push a large stack frame and there are no callee-saved
2376 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2377 in ARM code if the frame pointer has been eliminated.
2379 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2380 unspec_volatile arguments to avoid duplicates.
2381 (consttable_1, consttable_2): Fixes for big-endian mode.
2383 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2386 Re-write constant pool code.
2387 * arm.c (minipool_node, minipool_fix): New types.
2388 (minifix): Delete type.
2389 (arm_add_minipool_constant): Delete.
2390 (arm_compute_minipool_offsets, arm_find_barrier,
2391 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2392 (get_jump_table_size): Now returns HOST_WIDE_INT.
2393 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2395 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2396 (assign_minipool_offsets, arm_print_value): Likewise.
2397 (dump_minipool): Rewrite.
2398 (arm_barrier_cost): New function.
2399 (create_fix_barrier): New function.
2400 (push_minipool_barrier): New function.
2401 (push_minipool_fix): Record additional information about the fixup
2403 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2404 check the mode of what needs fixing.
2405 (arm_reorg): Rewrite.
2407 2000-03-08 Nick Clifton <nickc@cygnus.com>
2409 * config/arm/arm.md (indirect_jump): Force constant addresses into
2412 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2414 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2416 2000-02-24 Nick Clifton <nickc@cygnus.com>
2418 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2419 adjust is word aligned.
2420 (thumb_expand_epilogue): Make sure that stack adjust is word
2423 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2425 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2427 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2428 pointer relative addresses.
2430 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2432 * arm.c (find_barrier): Find the last barrier within the allowed
2435 2000-02-09 Nick Clifton <nickc@cygnus.com>
2437 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2439 2000-02-09 Nick Clifton <nickc@cygnus.com>
2441 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2442 ARM_FUNCTION_PROFILER.
2444 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2445 ARM_FUNCTION_PROFILER.
2447 * config/arm/linux-oldld.h: Imported from mainline sources.
2449 2000-02-07 Nick Clifton <nickc@cygnus.com>
2451 * config/arm/lib1funcs.asm: Merge in thumb functions from
2454 * config/arm/lib1thumb.asm: Delete.
2456 2000-02-04 Nick Clifton <nickc@cygnus.com>
2458 * config/arm/arm.c: Sychronised with current Red hat local
2460 * config/arm/arm.h: Ditto.
2461 * config/arm/arm-protos.h: Ditto.
2463 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2465 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2467 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2470 2000-02-02 Nick Clifton <nickc@cygnus.com>
2472 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2474 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2475 (return) was emited using an emit_insn() call.
2477 2000-01-31 Nick Clifton <nickc@cygnus.com>
2479 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2481 (thumb_exit): Move frame pointer back into hard frame pointer
2482 register if backtracing is being used.
2484 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2486 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2489 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2491 * config/arm/arm.md (neg_pool_offset): Provide default for new
2493 (arm_movsi_insn): Add neg_pool_offset attribute.
2494 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2495 rtx for the insn that starts the scan and an unsigned long for its
2496 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2497 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2498 instructions in *PINSERTED.
2499 (struct minipool_fixup): Add MIN_ADDRESS elt.
2500 (sort_fixups): Compute it.
2501 (arm_reorg): Changes to support inserting pools before the insn to be
2504 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2506 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2507 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2508 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2510 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2512 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2514 (TARGET_DEFAULT): Do not define if already defined.
2516 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2518 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2519 (iordi3): Allow disjoint source operands.
2520 (xordi3): Allow disjoint source operands.
2521 (negdi2): Permit construction for ARM and Thumb.
2522 (arm_negdi2): Renamed version of old negdi2 pattern.
2523 (thumb_negdi2): New pattern: Only permit non-overlapping
2524 source and destination.
2526 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2528 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2529 scratch low register so that it will not be deleted.
2531 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2533 * config/arm/pe.h (ARM_PE): Define.
2535 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2536 interfacearm attribute if this is a PE toolchain.
2537 (output_return_instruction): Do not emit anything if the function
2538 has the naked attribute set.
2539 (is_called_in_ARM_mode): If the function has the interfacearm
2540 attribute then return true.
2541 (thumb_expand_prologue): Do not generate a prologue for naked
2543 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2545 (output_thumb_prologue): Do not bother if the function is naked.
2546 Strip PE encoding from function name before emitting.
2548 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2550 * arm.md (pic_load_addr): Fix constraints.
2552 * arm.md (casesi_insn): Fix mis-applied patch.
2554 * arm.md ("core" function unit): Add rules for single- and
2556 (All TARGET_THUMB patterns): Add "type" attribute information
2558 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2559 the following insn is a CALL.
2561 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2563 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2564 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2565 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2567 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2569 * config/arm/linux-gas.h: oops - this file was missed out when the
2570 branch was created...
2572 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2574 * thumb.c: Deleted. Move contents to ...
2576 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2578 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2581 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2582 declare a prototype for asm_output_align();
2584 * arm.c (thumb_condition_code): Delete.
2585 (arm_print_operand): Always use arm_condition_code array.
2587 * arm.c (thumb_return_addr_rtx): Delete.
2588 (arm_save_machine_status, arm_restore_machine_status): Delete.
2589 (arm_init_machine_status, arm_mark_machine_status): New functions.
2590 (arm_init_expanders): Update accordingly.
2591 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2592 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2593 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2595 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2597 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2599 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2602 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2604 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2605 stack backtrace structure.
2607 * config/arm/arm-protos.h: Add prototypes for functions defined in
2610 * config/arm/arm.c (arm_override_options): Fix selection of
2611 attributes of default processor.
2613 * config/arm/coff.h: Delete needless #include.
2615 * config/arm/pe.c: Delete unused code.
2617 * config/arm/pe.h (CPP_DEFINES): Delete
2618 (SUBTARGET_CPP_SPEC): Define.
2619 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2621 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2623 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2625 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2627 (CAN_DEBUG_WITHOUT_FP): Define.
2628 (FIXED_REGISTERS): Make r11 call-saved.
2629 (CALL_USED_REGISTERS): Likewise.
2630 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2631 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2632 frame-pointer is required.
2633 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2634 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2635 if the target normally needs a stack frame in non-leaf functions.
2636 (use_return_insn): Correct logic for determining when a return
2637 instruction can be used.
2638 (output_return_instruction): Handle the frame-pointer register as
2639 a normal register when not TARGET_APCS_FRAME.
2640 (arm_output_prologue): Likewise.
2641 (arm_output_epilogue): Likewise.
2642 (output_func_epilogue): Likewise.
2643 (arm_expand_prologue): Likewise.
2644 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2646 * arm.c (use_return_insn): No need to check floating point regs if
2648 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2649 the code of value stored in the minipool array.
2650 (arm_add_minipool_constant): Likewise.
2652 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2654 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2656 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2658 * tree.c (tree_expr_nonnegative_p): New function.
2660 * tree.h (tree_expr_nonnegative_p): Declare.
2662 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2663 elide some sign_compare warnings.
2664 (build_conditional_expr): Likewise.
2666 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2668 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2670 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2671 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2672 operand. Abort if a 387 operand has an unsupported size.
2674 2000-04-08 Neil Booth <NeilB@earthling.net>
2676 * cppexp.c (parse_charconst): Null does not end character
2678 * cppinit.c (ISTABLE): Null character handled as whitespace.
2679 * cpplex.c (null_warning): new function.
2680 (skip_string): Emit warning if nulls encountered.
2681 (_cpp_skip_hspace): Emit warning if nulls encountered.
2682 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2686 2000-04-07 Richard Henderson <rth@cygnus.com>
2688 * flow.c (loop_depth): Remove.
2689 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2690 (struct propagate_block_info): New.
2691 (life_analysis): Don't allocate reg_next_use.
2692 (propagate_block_delete_insn): Break out of propagate_block.
2693 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2694 (propagate_block_delete_libcall): Likewise.
2695 (propagate_block): Create a propagate_block_info struct to pass
2696 to subroutines. Allocate one not two temporary regsets. Don't
2697 clobber memory for const calls. Look for clobbers in
2698 CALL_INSN_FUNCTION_USAGE.
2699 (mark_set_regs): Recognize COND_EXEC.
2700 (mark_set_reg): Break out of mark_set_1.
2701 (mark_used_reg): Break out of mark_used_regs.
2702 (mark_used_regs): Recognize COND_EXEC.
2703 (insn_dead_p): Use propagate_block_info struct.
2704 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2705 (find_auto_inc, try_pre_increment_1): Likewise.
2706 (print_rtl_with_bb): Dump regs live at end too.
2707 (count_reg_sets_1): Pass in loop_depth.
2708 (count_reg_sets, count_reg_references): Likewise.
2709 (recompute_reg_usage): Provide it.
2711 2000-04-07 Richard Henderson <rth@cygnus.com>
2713 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2716 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2718 * cpplib.c (do_elif): Skip the rest of the line if we're
2719 not going to bother evaluating it.
2720 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2721 to avoid pointless calls to the lexer.
2723 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2725 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2727 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2729 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2731 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2733 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2735 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2737 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2738 crtend so they can be multilibbed.
2739 (STAGESTUFF): Remove s-crt and s-crtS.
2741 2000-04-07 Richard Henderson <rth@cygnus.com>
2743 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2744 if we discover we need a pseudo and no_new_pseudos is true.
2745 * config/alpha/alpha.md (ne:DI insn): New.
2746 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2748 2000-04-07 Richard Henderson <rth@cygnus.com>
2750 * rtl.def (COND_EXEC): New.
2751 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2752 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2754 * genconfig.c (have_cond_arith_flag): Remove.
2755 (have_cond_exec_flag): New.
2756 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2757 (main): Print HAVE_conditional_execution.
2759 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2760 (sched_analyze_insn, print_pattern): Likewise.
2761 * reload.c (find_equiv_reg): Likewise.
2762 * rtlanal.c (reg_referenced_p): Likewise.
2763 (note_stores, dead_or_set_regno_p): Likewise.
2764 (reg_overlap_mentioned_p): Rewrite to use a switch.
2766 * ggc.h (struct rtx_def): Forward declare.
2768 * print-rtl.c (debug_rtx_range): New.
2769 * rtl.h (debug_rtx_range): Declare.
2771 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2773 * gcse.c (gcse_main): Don't rebuild the CFG here.
2774 (delete_null_pointer_checks): Likewise.
2775 * ssa.c (convert_to_ssa): Likewise.
2776 * toplev.c (rest_of_compilation): Do it here instead. Combine
2777 sequential calls to TIMEVAR. Consistently use `insns' instead of
2778 `get_insns()'. Always split insns after reload when optimizing.
2780 * basic-block.h (merge_blocks_nomove): Declare.
2781 (tidy_fallthru_edge): Declare.
2782 * flow.c (merge_blocks_nomove): Document as merging into previous
2783 blocks. Remove cruft from between blocks; remove all edges out of A.
2784 (tidy_fallthru_edge): Export.
2786 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2788 * ssa.c (compute_conservative_reg_partition): Declare with
2790 * toplev.c (clean_dump_file): Remove previously-deleted function
2791 inadvertantly merged back in.
2792 * conflict.c (conflict_graph_add): Use a single call to
2793 htab_find_slot to look up and insert.
2795 2000-04-06 Richard Henderson <rth@cygnus.com>
2797 * genrecog.c (*): Rename _last_insn to last_insn.
2798 (make_insn_sequence): Set the position of the peephole2 C test
2799 to be at the last insn.
2801 2000-04-06 Richard Henderson <rth@cygnus.com>
2803 * flow.c (compute_flow_dominators): Free worklist.
2805 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2807 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2809 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2811 * rtl.h (INSN_P): New macro.
2812 (successor_phi_fn): New typedef.
2813 (for_each_successor_phi): New prototype.
2814 (in_ssa_form): New variable.
2815 (PHI_NODE_P): Likewise.
2816 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2817 phi nodes in successors.
2818 (mark_used_regs): Add PHI case.
2819 (set_phi_alternative_reg): New function.
2820 (life_analysis): Assert that dead code elimination is not selected
2822 * toplev.c (to_ssa_time): New variable.
2823 (from_ssa_time): Likewise.
2824 (compile_file): Zero to_ssa_time and from_ssa_time.
2825 Print time to convert to and from SSA.
2826 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2827 (print_time): Compute percent fraction as integer.
2828 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2829 (convert_to_ssa): Check if we're already in SSA.
2830 Don't eliminate dead code in life_analysis.
2831 Rerun flow and life analysis at bottom.
2832 (eliminate_phi): Use canonical regnos when adding nodes.
2833 (mark_reg_in_phi): New function.
2834 (mark_phi_and_copy_regs): Likewise.
2835 (convert_from_ssa): Rerun life analysis at top.
2836 Use coalesced partition.
2837 Check for removing a phi node at the end of the block.
2838 (compute_coalesced_reg_partition): New function.
2839 (coalesce_regs_in_copies): Likewise.
2840 (coalesce_reg_in_phi): Likewise.
2841 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2842 (for_each_successor_phi): Likewise.
2843 (rename_context): New struct.
2844 (rename_block): Use a rename_context with rename_insn_1. When
2845 renaming sets of a subreg, emit a copy of the entire reg first.
2846 (rename_insn_1): Treat data as a rename_context *. Save current
2848 (rename_set_data): Add field set_insn.
2849 * Makefile.in (HASHTAB_H): Move up in file.
2850 (OBSTACK_H): New macro.
2851 (collect2.o): Use OBSTACK_H in dependencies.
2852 (sdbout.o): Likewise.
2853 (emit-rtl.o): Likewise.
2854 (simplify-rtx.o): Likewise.
2855 (fix-header.o): Likewise.
2856 (OBJS): Add conflict.o.
2857 (conflict.o): New rule.
2858 * basic-block.h: Include partition.h.
2859 (conflict_graph): New typedef.
2860 (conflict_graph_enum_fn): Likewise.
2861 (conflict_graph_new): New prototype.
2862 (conflict_graph_delete): Likewise.
2863 (conflict_graph_add): Likewise.
2864 (conflict_graph_conflict_p): Likewise.
2865 (conflict_graph_enum): Likewise.
2866 (conflict_graph_merge_regs): Likewise.
2867 (conflict_graph_print): Likewise.
2868 (conflict_graph_compute): Likewise.
2869 * conflict.c: New file.
2871 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2873 * tlink.c (read_repo_files): Don't look for .rpo info for
2876 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2878 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2880 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2882 * config/sh/lib1funcs.asm (___udivsi3_i4):
2883 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2884 only depends on FMOVD_WORKS.
2886 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2888 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2889 make double constant 8-byte aligned.
2891 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2893 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2894 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2895 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2896 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2897 Accept storing GENERAL_REGS into offsetable memory.
2898 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2899 building a TFmode constant other than 0.0L into GENERAL_REGS.
2901 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2903 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2905 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2907 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2908 (macro_cleanup): No need to cast pbuf->macro.
2909 (collect_expansion): Use _cpp_get_define_token. Goto done if
2910 it returns VSPACE. Remove check for trailing space after
2912 (_cpp_create_definition): Don't diddle flags here. Return
2914 (unsafe_chars): Handle c1 being EOF.
2915 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2916 checks. Don't push the buffer till after we're done with
2918 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2919 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2920 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2922 (_cpp_parse_assertion): Don't NUL terminate.
2923 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2924 hspace before calling _cpp_parse_assertion. Remove all sets
2925 of only_seen_white. Treat '\f' as hspace. Don't do anything
2926 special with '\n' here.
2927 (maybe_macroexpand): Handle T_EMPTY hash entries without
2928 pushing a buffer at all.
2929 (cpp_get_token): Handle clearing only_seen_white here. Handle
2930 incrementing the line number here. Clear
2931 potential_control_macro as well as only_seen_white, if
2933 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2934 (_cpp_get_define_token): New function, basically like
2935 _cpp_get_directive_token was but doesn't eat horizontal space.
2936 Don't do anything with only_seen_white here.
2937 (_cpp_get_directive_token): Just call _cpp_get_define_token
2938 repeatedly till it returns non-hspace.
2940 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2941 (conditional_skip, skip_if_group): Return int.
2942 (DIRECTIVE_TABLE): Change origin of all conditional directives
2944 (TRAD_DIRECT_P): New macro.
2945 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2946 an error for a bogus directive, unless -lang-asm. Use
2947 TRAD_DIRECT_P. Loop calling handler functions till one returns
2949 (get_macro_name): Don't diddle flags here.
2950 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2951 Create T_EMPTY nodes for #define macro /* nothing */.
2952 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2953 Use hp->name when calling pass_thru_directive.
2954 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2955 Return the result of conditional_skip and/or skip_if_group.
2956 Don't call _cpp_output_line_command.
2957 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2958 Issue -Wtraditional warnings as appropriate. Don't complain
2959 about unrecognized directives. If we are to stop skipping,
2960 return the number of the directive that ended the skip.
2961 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2962 expansion and line commands while skipping. Return the result
2963 of consider_directive_while_skipping, if nonzero.
2964 (do_endif): Just set potential_control_macro here.
2965 (validate_else): Use _cpp_get_directive_token.
2966 (do_assert, do_unassert): Don't save pointers into the
2967 token_buffer across calls to the lexer. Use
2968 _cpp_get_directive_token.
2970 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2971 pointer, not an offset. Replace 'data', which was a generic
2972 pointer, with 'macro', which points to a struct hashnode.
2973 (cpp_reader): Add 'potential_control_macro' pointer.
2974 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2975 (CPP_BUF_GET, CPP_FORWARD): Delete.
2976 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2977 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2978 ACTIVE_MARK_P): Update.
2979 (_cpp_get_define_token): New internal function.
2980 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2982 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2984 * configure.in: And here.
2985 * configure: Regenerate.
2986 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2987 --enable-libstdcxx-v3 is passed at configure time.
2988 * config.h.in: Regenerate.
2990 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2992 * final.c (final): Use xcalloc to allocate line_note_exists.
2993 * function.c (free_after_compilation): Free the temp_slots.
2994 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2995 (combine_temp_slot): Free temp_slots when they get combined.
2996 (purge_addressof): Fix typo in comment.
2997 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2998 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3000 * ggc.h: Include varray.h.
3001 (ggc_pending_trees): Declare.
3002 (ggc_mark_tree_children): Remove declaration.
3003 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3004 * ggc-common.c (ggc_pending_trees): New variable.
3005 (ggc_mark_roots): Call ggc_mark_trees.
3006 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3007 the ggc_pending_trees.
3008 * Makefile.in (GGC_H): New variable. Use it throughout in place
3011 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3013 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3016 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3018 * sh.c (sh_insn_length_adjustment): New function.
3019 * sh-protos.h (sh_insn_length_adjustment): Declare.
3020 * sh.h (ADJUST_INSN_LENGTH): Use it.
3022 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3024 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3025 from the insn where REG_RETVAL is added.
3026 (emit_no_conflict_block): Ditto.
3028 * md.texi (Standard Names): Clarify when movX is needed.
3030 * combine.c (simplify_comparison) [MINUS]: Do not replace
3031 all (op (minus A B) 0) with (op A B).
3033 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3034 J"orn Rennecke <amylaar@cygnus.co.uk>
3036 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3037 (block_lump_real): Likewise.
3039 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3041 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3042 remaining non-zero debugging masks.
3044 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3046 * basic-block.h (verify_flow_info): Declare.
3047 (flow_loop_outside_edge_p): Declare.
3048 * flow.c (verify_flow_info): Remove declaration.
3049 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3051 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3053 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3056 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3058 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3059 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3060 seqdi_zero_trunc+1): Allow splits only if registers are
3063 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3065 * acconfig.h: Add HAVE_GAS_HIDDEN.
3066 * config.in: Regenerated.
3067 * configure.in: Add test for .hidden pseudo-op in gas.
3068 * configure: Regenerated.
3069 * crtstuff.c: Include auto-host.h.
3070 Emit additional .hidden pseudo-op for __dso_handle if the
3071 assembler knows about it.
3073 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3075 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3076 before freeing argnames.
3077 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3079 2000-04-05 Michael Meissner <meissner@redhat.com>
3081 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3082 Walton <jonboy@gordian.com> to make memory references with update
3083 work wtih -mregnames.
3085 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3087 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3088 (regrename_optimize): Rename variables `def_uses' and
3089 `ext_basic_blocks' to avoid conflicts with similarly named
3090 typedefs in traditional C.
3092 * calls.c (initialize_argument_information): Fix typo in previous
3095 2000-04-04 Richard Henderson <rth@cygnus.com>
3097 * regrename.c (consider_available): Test fixed_regs not
3098 PIC_OFFSET_TABLE_REGNUM.
3100 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3102 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3104 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3105 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3106 (ENDFILE_LINUX_SPEC): Always use crtend.
3107 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3108 (powerpc-*-linux-gnu): Likewise.
3109 * configure: Regenerate.
3111 * config/rs6000/eabi.h: Don't include sysv4.h.
3112 (MULTILIB_DEFAULTS): Don't define.
3113 * config/rs6000/eabiaix.h: Don't include eabi.h.
3114 * config/rs6000/eabile.h: Delete.
3115 * config/rs6000/eabilesim.h: Delete.
3116 * config/rs6000/eabisim.h: Don't include eabi.h.
3117 * config/rs6000/linux.h: Don't include sysv4.h.
3118 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3119 (MULTILIB_DEFAULTS): Don't redefine.
3120 * config/rs6000/rtems.h: Don't include eabi.h.
3121 * config/rs6000/sol2.h: Don't include sysv4le.h.
3122 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3123 * config/rs6000/t-ppc: Delete.
3124 * config/rs6000/t-ppcgas: Correct comment.
3125 * config/rs6000/t-ppcos: Correct comment. Don't build
3126 multilibs for -fPIC, rather use -fPIC -mstrict-align
3128 * config/rs6000/t-ppc: Delete.
3129 * config/rs6000/vxppc.h: Don't include sysv4.h.
3130 * config/rs6000/vxppcle.h: Delete.
3131 * configure.in: Use multiple header files for p2pc ELF targets
3132 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3133 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3134 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3135 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3136 always available for these platforms.
3138 2000-04-04 Richard Henderson <rth@cygnus.com>
3140 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3142 2000-04-04 Stan Cox <scox@cygnus.com>
3144 * Makefile.in: Add rules for regrename.o
3145 * regrename.c: New file.
3146 * rtl.h (regrename_optimize): Add prototype.
3147 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3148 (compile_file, decode_d_option): Add support for -frename-registers.
3149 (rest_of_compilation): Call regrename_optimize.
3150 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3153 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3155 * Makefile (gccbug): New target.
3156 (doc): Depend on it.
3157 * gcc.texi (Bugs): Link subnodes.
3159 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3160 Document severities, priorities, and classes in bug form.
3162 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3164 * cpplex.c (trigraph_map, speccase): Combine into single
3166 (NORMAL, NONTRI): New macros.
3167 (_cpp_read_and_prescan): Change to use unified table. Use
3168 is_hspace to test for whitespace.
3170 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3171 definition that doesn't provoke the "empty body in an
3172 if-statement" warning.
3174 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3176 * builtins.c (expand_builtin_strlen): Force the source to
3177 be a memory address.
3179 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3183 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3185 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3186 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3187 (ECF_IS_CONST): Rename to ECF_CONST.
3188 (special_function_p): Make static, change interface.
3189 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3190 (expand_call) ... here; convert number of variables to flags.
3191 (emit_library_call_vlue_1): Likewise.
3192 (setjmp_call_p): New function.
3193 (initialize_argument_information): Accepts flags as argument;
3195 (precompute_arguments): Likewise.
3196 * tree.h (special_function_p): Remove.
3197 (setjmp_call_p): Add prototype.
3199 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3201 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3202 so that addresses are offsetable by up to 16 bytes.
3203 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3204 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3207 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3208 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3209 (movsf): Don't force any constant to memory if target is integer
3211 Move fp_zero_operand check below the const0_rtx check.
3212 (movtf): Likewise. Also allow fp_zero_operand for stores into
3214 (movdf): Likewise. Also allow fp_zero_operand for stores into
3215 memory and into integer hard registers.
3216 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3217 movdf_const_intreg_sp64): Remove.
3218 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3220 (movdf_no_e_insn_v9_sp32): New pattern.
3221 (movdf_insn_v9only): Remove.
3222 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3223 (movdf_insn_sp64): Remove.
3224 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3225 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3226 (following splits): Rewrite conditions. Add two new splits
3227 for storing 0.0 into memory and registers.
3228 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3229 (movtf_insn_sp32): Redo constraints and conditions.
3230 (movtf_insn_vis_sp32): New pattern.
3231 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3232 (movtf_insn_hq_sp64): Likewise.
3233 (movtf_insn_hq_vis_sp64): New pattern.
3234 (movtf_insn_sp64): Redo constraints and conditions.
3235 (movtf_insn_vis_sp64): New pattern.
3236 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3237 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3239 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3240 -mvis or -m64 to take down the number of various reload patterns.
3242 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3244 * pa/pa-64.h: New file.
3245 * pa/pa64-regs.h: New file.
3246 * pa/pa64-start.h: New file.
3247 * pa/t-pa64: New file.
3248 * pa/xm-pa64hpux.h: New file.
3250 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3252 * sparc.c (output_restore_regs): Prototype.
3253 (sparc_emit_float_lib_cmp): Constification.
3255 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3257 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3260 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3261 (get_value_hash, hash_rtx): Likewise.
3263 * ssa.c (compute_conservative_reg_partition): Prototype.
3265 * tree.c (mark_hash_entry): Prototype.
3267 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3269 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3270 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3271 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3273 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3274 * objc/lang-specs.h: Likewise.
3276 2000-04-03 Neil Booth <NeilB@earthling.net>
3278 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3279 and SYNTAX_ERROR2. Replace `' in messages with ''.
3280 (op_to_str): Make re-entrant.
3281 (_cpp_parse_expr): Implement new error macros. Use | rather
3282 than || to logically or 2 boolean integers. Simply expression
3283 checking we have a left operand iff needed.
3285 2000-04-03 Nick Clifton <nickc@cygnus.com>
3287 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3289 2000-04-03 Philip Blundell <philb@gnu.org>
3291 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3293 2000-04-03 Felix Lee <flee@cygnus.com>
3295 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3296 (run_shell): Use it.
3298 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3300 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3301 (stmp-fixproto): ...rather than here.
3303 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3305 * pa.c (print_operand): Compute 'base' only inside the code paths
3308 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3310 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3313 2000-04-03 Philipp Thomas <pthomas@suse.de>
3315 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3317 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3319 * Makefile.in (alias.o): Depend on $(TREE_H).
3321 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3323 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3325 * cpplib.c (_cpp_handle_directive): Improve warnings for
3326 traditional C and indented directives.
3328 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3329 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3330 fixinc/inclhack.def: Indent the # of #include_next one space.
3331 * cp/rtti.c: Un-indent #if and #endif.
3333 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3334 syntax error, but an error has already been printed.
3335 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3336 message when called with nothing remaining on the line.
3337 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3338 OTHER token, not an ASSERTION.
3339 * cpplib.c (do_assert): When we create a 'base' node, clear
3340 its aschain pointer.
3342 2000-04-02 Neil Booth <NeilB@earthling.net>
3344 * cppexp.c: New typedef op_t. struct operation and struct
3345 token updated to use it.
3346 (op_to_str): New function.
3347 (_cpp_parse_expr): Error messages modified to use op_to_str.
3349 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3351 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3352 before checking MUST_PASS_IN_STACK.
3354 2000-04-02 Neil Booth <NeilB@earthling.net>
3356 * cppexp.c: New FINISHED dummy token. Combine operator initial
3357 flags and initial priority into a single constant. New
3358 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3359 (_parse_cpp_expr): Implement new constants. Take left operand
3360 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3361 parse indicated by reducing FINISHED token. Remove new lines
3362 from cpp_error messages.
3364 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3366 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3369 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3371 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3372 directive. Add origin values to DIRECTIVE_TABLE. Generate
3373 the strings and function names on the fly. Take the #sccs
3374 entry out of the table if SCCS_DIRECTIVE is not defined.
3375 (_cpp_handle_directive): Decide if the # was at the beginning
3376 of the line here. Issue -pedantic warnings for extended
3377 directives here. Warn about K+R directives with the #
3378 indented, and C89/extended directives with the # not indented,
3380 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3381 do_assert, do_unassert): Don't issue pedantic warning here.
3383 * cpphash.h: Add CPP_WTRADITIONAL macro.
3384 * cpplib.h (struct cpp_options): Rename warn_stringify to
3385 warn_traditional; update comments.
3386 * cppinit.c (handle_option): Set warn_traditional not
3388 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3389 CPP_WTRADITIONAL (pfile).
3390 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3391 be ignored in -traditional mode here.
3393 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3394 to initialize speccase[] and trigraph_map[]. Delete all
3395 references to pfile->input_speccase. Always treat '?' as a
3396 special character. Remove table-initialization code from
3397 _cpp_init_input_buffer.
3399 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3400 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3402 2000-04-01 Richard Henderson <rth@cygnus.com>
3404 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3405 (mostlyclean): Likewise.
3407 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3408 (struct dump_file_info, enum dump_file_index, dump_file): New.
3409 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3410 not a string. Clean out file if we havn't yet done so. Do nothing
3411 if the dump isn't enabled.
3412 (close_dump_file): Do nothing if the dump isn't open. Dump
3413 graph data if requested.
3414 (dump_rtl, clean_dump_file): Remove.
3415 (compile_file): Don't clean the dump files. Only finalize .bp dump
3416 if flag_test_coverage or flag_branch_probabilities. Only finalize
3417 .combine dump if optimizing. Iterate over dump_file to finalize the
3419 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3420 Convert all uses of dump_rtl.
3421 (decode_d_option): Iterate over dump_file to implement 'a' and to
3422 locate pass-specific dumps.
3424 2000-04-01 Neil Booth <NeilB@earthling.net>
3426 * cppexp.c: Redefine priority constants.
3427 (_cpp_parse_expr): Replace left and right priority scheme with
3428 single priority logic. Move LOGICAL to same place as COMPARE.
3429 Remove bogus check for multiple unary +/- operators.
3431 2000-04-01 Neil Booth <NeilB@earthling.net>
3433 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3434 within the switch statement. Binary operations break out of
3435 the switch naturally. '(' tokens handled by forcing
3436 immediate shift. ')' handled by forcing immediate reduce to
3437 the previous '('. New error messages.
3439 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3441 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3442 part', it's already in use. Use %K instead. Add a return at the
3443 end of what is now %K.
3444 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3446 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3448 * builtins.c (expand_builtin_apply): Pass proper parameters to
3449 allocate_dynamic_stack_space.
3450 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3451 update stack_pointer_delta; do not update arg_size_so_far.
3452 (compute_argument_block_size): Use stack_delta instead of
3453 stack_pointer_pending and arg_size_so_far.
3454 (expand_call): Add sanity checking for stack_pointer_delta;
3455 save and restore stack_pointer_delta for SIB, use
3456 stack_pointer_delta for alignment; do not update arg_space_so_far.
3457 (emit_library_call_value): Use stack_pointer_delta for alignment.
3458 (store_one_arg): Do not update arg_space_so_far.
3459 * explow.c (adjust_stack, anti_adjust_stack): Update
3460 stack_pointer_delta.
3461 (allocate_dynamic_stack_space): Add sanity checking for
3462 stack_pointer_delta.
3463 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3464 stack_pointer_delta.
3465 (emit_push_insn): Update stack_pointer_delta.
3466 * function.h (struct expr_status): Add x_stack_pointer_delta;
3467 remove x_arg_space_so_far.
3468 (arg_space_so_far): Remove.
3469 (stack_pointer_delta): New macro.
3471 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3473 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3474 Reorder struct cpp_options and struct cpp_reader for better
3475 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3476 takes two args. Change all 'char' flags to 'unsigned char'.
3477 Move show_column flag into struct cpp_options. Don't
3478 prototype cpp_options_init.
3479 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3480 cppinit.c, cpplex.c, cpplib.c:
3481 Replace CPP_OPTIONS (pfile)->whatever with
3482 CPP_OPTION (pfile, whatever), and likewise for
3483 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3485 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3486 Extract CPP_OPTION (pfile, pending) and work with that
3488 (cpp_options_init): Delete.
3489 (cpp_reader_init): Turn on on-by-default options here.
3490 Allocate the pending structure here.
3491 (cl_options, enum opt_code): Define these from the same table,
3492 kept in a large macro. Add -fshow-column and -fno-show-column
3495 * cpperror.c (v_message): If show_column is off, don't print
3498 * cppmain.c: Update for new interface.
3499 * fix-header.c: Likewise.
3501 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3503 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3505 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3506 are passed to any invocation of AR_FOR_TARGET.
3507 (AR_CREATE_FOR_TARGET): New macro.
3508 (AR_EXTRACT_FOR_TARGET): New macro.
3509 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3510 AR_EXTRACT_FOR_TARGET.
3511 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3512 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3513 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3514 AR_EXTRACT_FOR_TARGET to sub-makes.
3516 2000-03-31 Neil Booth <NeilB@earthling.net>
3518 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3520 (_cpp_parse_expr): Check for multiple unary +/- operators.
3521 Correct priorities of ':' and '?'. Treat ')' as having a
3522 value. Ensure conditional expression is not void.
3524 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3526 * alias.c (canon_rtx): Make it global.
3527 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3529 * cse.c (struct table_elt): Add canon_exp.
3531 (invalidate): Canonicalize expressions only once.
3532 * rtl.h (canon_rtx): Declare.
3534 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3536 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3537 * alias.c (reg_known_value): Add comments.
3538 (init_alias_analysis): Likewise.
3539 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3541 (cse_basic_block): Fix typo in comment.
3542 * emit-rtl.c: Include hashtab.h.
3543 (const_int_htab): New variable.
3544 (const_int_htab_hash): New function.
3545 (const_int_htab_eq): Likewise.
3546 (rtx_htab_mark_1): Likewise.
3547 (rtx_htab_mark): Likewise.
3548 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3549 (unshare_all_rtx): Fix formatting.
3550 (init_emit_once): Initialize const_int_htab.
3551 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3553 * rtl.texi: Document the fact that all CONST_INTs with the same
3556 2000-03-30 Richard Henderson <rth@cygnus.com>
3558 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3560 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3562 * configure.in: Comment out --enable-c-cpplib stanza.
3563 * configure: Regenerate.
3565 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3567 * expr.c (store_constructor): Properly compute displacement and
3568 alignment when offset is variable.
3570 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3571 cases of alignment in bytes.
3573 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3575 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3576 since it is used to generate c-parse.y.
3577 * objc-parse.c, objc-parse.y: Regenerated.
3579 * function.c (expand_function_end): Pass alignment argument to
3580 emit_block_move in bits, not bytes.
3582 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3584 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3587 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3589 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3590 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3591 * function.c (assign_parms): Likewise.
3592 * integrate.c (expand_inline_function): Likewise.
3593 * stmt.c (expand_decl): Likewise.
3594 (copy_rtx_and_substitute): Likewise.
3595 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3596 (clear_by_pieces): Fix error in last change.
3597 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3598 * function.h (regno_pointer_align): Now unsigned.
3599 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3601 * config/i386/i386.c (aligned_operand): Likewise.
3602 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3603 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3604 (unaligned_memory_operand): Likewise.
3605 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3606 Also make alignments and sizes unsigned and some whitespace cleanup.
3607 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3609 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3610 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3611 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3612 (expand_builtin_memset): Likewise, but to clear_storage.
3613 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3614 (restore_fixed_argument_area): Likewise.
3615 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3616 (load_register_parameters): Likewise, to emit_group_load.
3617 (expand_call): Likewise, to emit_group_store and emit_block_move.
3618 (emit_library_call_value_1): Likewise, to emit_block_move.
3619 (store_one_arg): Likewise, and to emit_push_insn.
3620 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3621 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3622 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3623 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3624 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3625 (expand_assigment, store_expr, store_constructor_field): Likewise.
3626 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3627 (store_constructor, store_field, get_inner_reference): Likewise.
3628 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3629 (expand_expr, case COMPONENT_REF): Likewise.
3630 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3631 and positions; reindent code.
3632 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3633 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3634 (assign_parms): Likewise to emit_group_store.
3635 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3636 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3637 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3638 (expand_return): Likewise to {extract,store}_bit_field.
3639 * stor-layout.c (get_mode_alignment): Minor cleanup.
3640 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3641 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3643 2000-03-29 Nick Clifton <nickc@cygnus.com>
3645 * config/arm/arm.h: Undo effects of previous delta:
3646 (ASM_SPEC): Do not define.
3647 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3649 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3652 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3654 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3655 only after reading in the primary source file.
3657 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3659 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3660 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3661 or a reference to a va_list.
3662 * builtins.c (stabilize_va_list): Simplify now we don't have to
3663 work around C array address decay.
3664 * c-typeck.c (convert_for_assignment): Handle assignment to
3665 a reference parameter by taking the address of the RHS.
3666 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3667 (va_copy): Likewise.
3668 (__va_copy): Likewise.
3669 * ginclude/varargs.h (va_start): Likewise.
3670 (__va_copy): Likewise.
3672 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3674 * i386/djgpp.h: Remove extraneous "+".
3676 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3678 * calls.c (expand_call): Fix typo in last change.
3680 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3682 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3685 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3687 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3688 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3689 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3690 * tree.c (bit_position, byte_position): Likewise.
3691 * tree.h: Declare new functions.
3693 2000-03-29 Nick Clifton <nickc@cygnus.com>
3695 * config/arm/arm.c: Minor formatting changes/
3696 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3698 (ASM_SPEC): Define if not already defined.
3700 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3702 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3705 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3707 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3708 value, don't output it as unsigned.
3710 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3712 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3714 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3716 * c-common.c (c_common_nodes_and_builtins): Don't special case
3717 cplus_mode when declaring builtin bzero/bcmp, always avoid
3718 prototype arguments.
3720 2000-03-29 Bruce Korb <bkorb@gnu.org>
3722 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3725 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3727 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3728 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3729 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3730 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3731 (save_fixed_argument_area, restore_fixed_argument_area):
3732 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3733 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3734 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3735 (precompute_register_parameters): Avoid #ifdefs on
3736 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3737 (stire_one_args): Likewise.
3738 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3739 (emit_library_call_value_1): Likewise.
3740 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3741 ACCUMULATE_OUTGOING_ARGS.
3742 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3744 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3745 (use_crosses_set_p): Likewise.
3746 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3747 #define ACCUMULATE_OUTGOING_ARGS 1.
3748 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3750 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3752 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3753 (TARGET_SWITCHES): Add push-args, no-push-args,
3754 accumulate-outgoing-args and no-accumulate-outgoing-args.
3755 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3756 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3757 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3759 (emit_push_insn): Likewise.
3760 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3761 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3762 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3763 (STACK_DYNAMIC_OFFSET): Define correctly for both
3764 ACCUMULATE_OUTGOING_ARGS and normal mode.
3765 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3766 * tm.texi (PUSH_ARGS): Document.
3767 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3769 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3771 * flags.h (flag_optimize_sibling_calls): Declare.
3772 * calls.c (expand_call): Fail sibcall when
3773 !flag_optimize_sibling_calls
3774 * invoke.texi (flag_optimize_sibling_calls): Document.
3775 * toplev.c (flag_optimize_sibling_calls): New global variable.
3776 (f_options): Add flag_optimize_sibling_calls.
3777 (rest_of_compilation): Conditionize
3778 optimize_sibling_and_tail_recursive_calls by
3779 flag_optimize_sibling_calls.
3780 (main): Set flag_optimize_sibling_calls for -O2.
3781 * stmt.c (expand_return): Conditionize tail recursion by
3782 flag_optimize_sibling_calls.
3784 2000-03-29 Richard Henderson <rth@cygnus.com>
3786 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3787 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3789 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3791 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3793 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3795 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3797 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3798 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3799 * config/rs6000/aix.h: then modified likewise.
3801 2000-03-28 Richard Henderson <rth@cygnus.com>
3803 * rtl.h: Redistribute enum reg_note documentation.
3804 Kill trailing whitespace.
3805 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3806 Kill trailing whitespace.
3808 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3810 * cppfiles.c (hash_IHASH): Just return i->hash.
3811 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3812 htab_find_with_hash.
3813 (cpp_read_file): Likewise.
3814 (find_include_file): Likewise. Properly initialize
3815 ih->nshort. Share ih->name and ih->nshort if possible.
3816 * cpphash.c (_cpp_calc_hash): New function.
3817 (hash_HASHNODE): Just return h->hash.
3818 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3819 htab_find_with_hash.
3820 * cpphash.h: Prototype _cpp_calc_hash.
3821 * cppinit.c (initialize_builtins): Provide a valid hash
3822 to _cpp_make_hashnode, using _cpp_calc_hash.
3824 * cpphash.c (collect_expansion): # is not a special character
3825 in object-like macros. In -traditional mode, /**/ is not
3826 token paste at the beginning or end of the line.
3827 * cpplib.c (do_include, do_import, do_include_next): If
3828 parse_include fails, return immediately.
3830 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3832 * config/arm/arm.md (return peepholes): Update to reflect the new
3834 * config/arm/arm.c (arm_volatile_func): Also check
3835 current_function_nothrow.
3836 (output_return_instruction, output_func_prologue): Use it.
3837 (arm_output_epilogue, arm_expand_prologue): Likewise.
3839 2000-03-27 Tom Tromey <tromey@cygnus.com>
3841 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3844 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3846 * expr.c (store_constructor): SIZE now signed.
3847 For EXPR_SIZE, don't evaluate size; just needed if constant.
3848 * fold-const.c (fold): Fix a number of cases when folded tree is
3850 * function.c (flush_addressof): Reenable.
3851 * tree.h (flush_addressof): Likewise.
3852 * toplev.c (independent_decode_option): Look at strings_processed.
3853 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3855 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3857 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3858 Allow stack adjustment after function call.
3860 * regmove.c (struct csa_memlist): Make mem field rtx *.
3861 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3862 (try_apply_stack_adjustment): Replace whole MEM rtx.
3863 (combine_stack_adjustments_for_block): Update calls
3864 to record_one_stack_ref.
3866 2000-03-28 Neil Booth <NeilB@earthling.net>
3868 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3869 '\\' rather than a null character, so nulls are not special. Fix
3870 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3871 speed trigraph conversion.
3872 (_cpp_init_input_buffer): Initialize trigraph map.
3874 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3876 * config/i386/i386.c (output_387_binary_op): Correct intel
3877 mode assembly output, and add spaces after commas in AT&T
3878 output. Correct Unixware assembler comment. Document input
3879 constraints. Comment fp operations. Reduce profligate buffer
3880 size. Remove extraneous abort. Localize temp var.
3881 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3882 (output_fix_trunc): Add spaces after commas in assembly output.
3884 2000-03-27 Richard Henderson <rth@cygnus.com>
3886 * i386-protos.h (ix86_match_ccmode): Declare.
3887 * i386.c (ix86_match_ccmode): New.
3888 (ix86_expand_fp_compare): Update for pattern renames.
3889 (ix86_expand_strlensi_unroll_1): Likewise.
3890 * i386.h (EXTRA_CC_MODES): Add CCZ.
3891 (SELECT_CC_MODE): Use it for EQ/NE zero.
3892 * i386.md (cmpsi_ccz_1): New.
3894 (*testsi_ccz_1): New.
3895 (testqi_ccz_1): New.
3896 (cmpsi_ccno_1): Rename from cmpsi_0.
3897 (testsi_ccno_1): Rename from testsi_1.
3898 (testqi_ccno_1): Rename from testqi_1.
3899 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3900 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3901 (*cmphi_0): Use ix86_match_ccmode.
3902 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3903 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3904 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3905 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3906 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3907 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3908 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3909 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3910 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3911 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3912 (appropriate peepholes): Likewise.
3913 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3914 (*subsi_3, *subhi_3, *subqi_3): Remove.
3915 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3916 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3917 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3918 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3919 (x86_shift_adj_1): Use CCZ.
3920 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3922 2000-03-27 Stan Cox <scox@cygnus.com>
3924 * resource.h (mark_resource_type): New.
3925 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3926 find_free_register): Use mark_resource_type.
3927 (mark_set_resources): Change include_delayed_effects
3928 to mark_resource_type.
3929 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3930 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3931 Use mark_resource_type.
3933 2000-03-27 Richard Henderson <rth@cygnus.com>
3935 * i386.md (call_pop_0, call_value_pop_0): New.
3936 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3937 (call_value_pop_1): Likewise.
3938 (call_0, call_value_0): New.
3939 (call_1, call_value_1): Remove constraint from unused arg.
3941 2000-03-27 Nick Clifton <nickc@cygnus.com>
3943 * invoke.texi (Spec Files): Document new spec % command created by
3944 Tom Tromey's recent patch.
3946 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3948 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3951 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3953 * expr.c (expand_assignment): Fix typo in last change.
3955 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3957 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3959 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3960 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3961 and DECL_INLINE if FUNCTION_DECL.
3962 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3963 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3964 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3965 (combine_parm_decls): Likewise.
3966 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3967 * print-tree.c (print_node): Likewise.
3968 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3969 DECL_TRANSPARENT_UNION on proper decl types.
3970 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3971 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3972 DECL_BIT_FIELD of FIELD_DECL.
3973 * tree.h (DECL_RESULT_FLD): New macro.
3975 * expr.c (expand_assignment): Add code to handle variable-sized
3978 2000-03-26 Richard Henderson <rth@cygnus.com>
3980 * calls.c (expand_call): Pass parms not original exp to
3981 optimize_tail_recursion. Mind return value instead of looking
3983 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3984 call_expr. Move checks for call_expr and current_function_decl ...
3985 (expand_return): ... here.
3987 2000-03-26 Tom Tromey <tromey@cygnus.com>
3989 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3990 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3992 (process_command): Use them.
3993 (check_live_switch): Likewise.
3994 (give_switch): Skip ignored switches.
3996 2000-03-26 Jan Hubicka <jh@suse.cz>
3998 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3999 for minimal jump pass test.
4001 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4003 * integrate.c (function_cannot_inline_p): Do inline functions that
4006 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4008 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4009 now a list of TREE_LIST entries, not types.
4010 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4012 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4013 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4015 * config/mips/mips.c (function_arg): Likewise; also remove cast
4016 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4017 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4018 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4019 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4020 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4021 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4022 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4023 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4024 num_adjusts now unsigned.
4025 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4026 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4028 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4029 as is BITPOS variable; use host_integerp and int_bit_position.
4030 (function_arg_record_value_2): Likewise.
4031 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4032 Variable REGNO now unsigned.
4033 (function_arg_record_value): NREGS now unsigned.
4035 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4037 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4039 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4041 * Rework fields used to describe positions of bitfields and
4042 modify sizes to be unsigned and use HOST_WIDE_INT.
4043 * alias.c (reg_known_value_size): Now unsigned.
4044 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4045 (really_start_incremental_init): Use bitsize_zero_node.
4046 (push_init_level, pop_init_level, output_init_element): Likewise.
4047 Use bitsize_unit_node and bitsize_one_node.
4048 (output_pending_init_elements, process_init_element): Likewise.
4049 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4050 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4051 HOST_WIDE_INT, respectively.
4052 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4053 (num_sign_bit_copies): Returns unsigned.
4054 BITWIDTH now unsigned; rework arithmetic.
4055 Remove recursive call from arg to MAX.
4056 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4057 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4059 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4060 (find_split_point, expand_compound_operation, make_extraction): LEN
4061 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4062 (make_field_assignment): Likewise.
4063 (combine_simplify_rtx): Add cast.
4064 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4065 (force_to_mode): WIDTH now unsigned; add cast.
4066 (if_then_else_cond): SIZE now unsigned.
4067 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4068 (extended_count): Now returns unsigned.
4069 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4070 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4071 (simplify_comparison): MODE_WIDTH now unsigned.
4072 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4073 (mark_used_regs_combine): Likewise; rework arithmetic.
4074 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4075 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4076 (record_promoted_value): REGNO now unsigned.
4077 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4078 (get_last_value): REGNO now unsigned.
4079 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4080 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4081 (remove_death): Arg REGNO now unsigned.
4082 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4083 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4085 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4086 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4087 (struct cse_reg_info): REGNO now unsigned.
4088 (cached_regno): Now unsigned.
4089 (REGNO_QTY_VALID_P): Add cast.
4090 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4091 (remove_invalid_regs): Likewise.
4092 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4093 as are variables END and I.
4094 (get_cse_reg_info, insert): Likewise.
4095 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4096 (canon_hash): Likewise.
4097 (insert_regs, lookup_for_remove): REGNO now unsigned.
4098 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4100 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4101 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4102 * emit-rtl.c (subreg_realpart_p): Add cast.
4103 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4104 (operand_subword_force): Arg I is now unsigned.
4105 * except.c (eh_regs): Variable I is now unsigned.
4106 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4107 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4108 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4109 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4110 (extract_split_bit_field, store_bit_field, extract_bit_field):
4112 * expr.c (store_constructor_fields, store_constructor, store_field):
4113 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4114 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4115 (do_jump): Likewise.
4116 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4117 MAX_SIZE is now unsigned.
4118 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4119 (emit_group_store): Likewise.
4120 (emit_move_insn): I now unsigned.
4121 (store_constructor): Use host_integerp, tree_low_cst, and
4123 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4124 Rework all calculations to use trees and new fields.
4125 * expr.h (promoted_input_arg): Regno now unsigned.
4126 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4127 (mark_seen_cases): Arg is HOST_WIDE_INT.
4128 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4129 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4130 precisions and alignments are unsigned.
4131 (optimize_bit_field_compare, fold_truthop): Likewise.
4132 (int_const_binop): Adjust threshold for size_int_type_wide call.
4133 (fold_convert): Likewise.
4134 (size_int_type_wide): Make table larger and fix thinko that only
4135 had half of table used.
4136 (all_ones_mask_p, fold): Precisions are unsigned.
4137 * function.c (put_reg_info_stack): REGNO is unsigned.
4138 (instantiate_decl): Size is HOST_WIDE_INT.
4139 (instantiate_virtual_regs): I is unsigned.
4140 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4141 (promoted_input_arg): REGNO is unsigned.
4142 * function.h (struct function): x_max_parm_reg is now unsigned.
4143 * gcse.c (max_gcse_regno): Now unsigned.
4144 (struct null_pointer_info): min_reg and max_reg now unsigned.
4145 (lookup_set, next_set): REGNO arg now unsigned.
4146 (compute_hash_table): REGNO and I now unsigned.
4147 (handle_avail_expr): regnum_for_replacing now unsigned.
4148 (cprop_insn): REGNO now unsigned.
4149 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4150 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4151 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4152 * hard-reg-set.h (reg_class_size): Now unsigned.
4153 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4154 * jump.c (mark_modified_reg): I now unsigned; add cast.
4155 (rtx_equal_for_thread_p): Add cast.
4156 * loop.c (max_reg_before_loop): Now unsigned.
4157 (struct_movable): REGNO now unsigned.
4158 (try_copy_prop): REGNO arg unsigned.
4159 (regs_match_p): XN and YN now unsigned.
4160 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4161 (strength_reduce): Likewise; NREGS also unsigned.
4162 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4163 * loop.h (struct iv_class): REGNO now unsigned.
4164 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4166 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4167 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4168 * optabs.c (expand_binop): I and NWORDS now unsigned.
4169 (expand_unop): I now unsigned.
4170 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4171 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4172 * real.c (significand_size): Now returns unsigned.
4173 * real.h (significand_size): Likewise.
4174 * regclass.c (reg_class_size): Now unsigned.
4175 (choose_hard_reg_mode): Both operands now unsigned.
4176 (record_reg_classes): REGNO and NR now unsigned.
4177 (reg_scan): NREGS now unsigned.
4178 (reg_scan_update): old_max_regno now unsigned.
4179 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4180 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4181 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4182 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4183 Likewise for variable R.
4184 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4185 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4186 (find_equiv_reg): Add casts.
4187 (regno_clobbered_p): Arg REGNO now unsigned.
4188 * reload.h (struct reload): NREGS now unsigned.
4189 (refers_to_regno_for_reload_p): Regno args are unsigned.
4190 (regno_clobbered_p): Likewise.
4191 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4192 (compute_use_by_pseudos): REGNO now unsigned.
4193 (find_reg): I and J now unsigned, new variable K, and change loop
4194 variables accordingly; THIS_NREGS now unsigned.
4195 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4196 (spill_hard_reg): REGNO arg now unsigned; add casts.
4197 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4198 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4199 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4200 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4201 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4202 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4203 (emit_reload_insns): REGNO now unsigned.
4204 (reload_cse_move2add): Add cast.
4205 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4207 * resource.c (mark_referenced_resources, mark_set_resources): New
4208 variable R; REGNO and LAST_REGNO now unsigned.
4209 (mark_target_live_regs): J and REGNO now unsigned.
4210 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4211 * rtl.h (union rtunion_def): New field rtuint.
4212 (XCUINT): New macro.
4213 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4214 (operand_subword, operand_subword_force): Word number is unsigned.
4215 (choose_hard_reg_mode): Operands are unsigned.
4216 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4217 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4218 (regno_use_in, combine_instructions, remove_death): Likewise.
4219 (reg_scan, reg_scan_update): Likewise.
4220 (extended_count): Return is unsigned.
4221 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4222 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4223 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4224 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4225 (reg_reg_last_1): FIRS and LAST now unsigned.
4226 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4227 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4229 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4230 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4231 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4232 (replace_regs): Arg NREGS now unsigned.
4233 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4234 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4235 (simplify_binary_operation): Likewise.
4236 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4237 THIS_LAST now unsigned.
4238 (cselib_record_set): Add cast.
4239 * ssa.c (ssa_max_reg_num): Now unsigned.
4240 (rename_block): REGNO now unsigned.
4241 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4243 (all_cases_count): Just return -1 not -2.
4244 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4245 Rework tests to use trees whenever possible.
4246 Use host_integerp and tree_low_cst.
4247 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4248 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4249 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4250 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4251 (smallest_mode_for_size): Likewise.
4252 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4253 KNOWN_ALIGN is now an alignment, so simplify code.
4254 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4255 (start_record_layout): Renamed from new_record_layout_info.
4256 Update to new fields.
4257 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4259 (place_union_field): Renamed from layout_union_field.
4260 Update to use new fields in rli.
4261 (place_field): Renamed from layout_field.
4262 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4263 (finalize_record_size): Rework to use new fields in rli and handle
4265 (compute_record_mode): Rework to simplify and to use new DECL fields.
4266 (finalize_type_size): Make rounding more consistent.
4267 (finish_union_layout): Deleted.
4268 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4269 (layout_type, case RECORD_TYPE): Call new function names.
4270 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4271 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4272 (get_best_mode): UNIT is now unsigned; remove casts.
4273 * tree.c (bit_position): Compute from new fields.
4274 (byte_position, int_byte_position): New functions.
4275 (print_type_hash_statistics): Cast to remove warning.
4276 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4277 (build_index_type): Likewise; make subtype of sizetype.
4278 (build_index_2_type): Pass sizetype to build_range_type.
4279 (build_common_tree_nodes): Use size_int and bitsize_int to
4280 initialize nodes; add bitsize_{zero,one,unit}_node.
4281 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4282 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4283 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4284 (DECL_FIELD_BITPOS): Deleted.
4285 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4286 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4287 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4288 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4289 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4290 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4291 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4292 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4293 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4294 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4295 (DECL_ALIGN): Adjust to new field in union.
4296 (DECL_OFFSET_ALIGN): New field.
4297 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4298 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4299 (union tree_decl): Add struct for both aligns.
4300 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4301 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4302 (struct record_layout_info): Rework fields to have offset
4303 alignment and byte and bit position.
4304 (start_record_layout, place_field): Renamed from old names.
4305 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4306 (byte_position, int_byte_position): Likewise.
4307 (get_inner_reference): Change types of position and length.
4308 * unroll.c (unroll_loop): New variable R; use for some loops.
4309 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4310 (calculate_giv_inc): Arg REGNO now unsigned.
4311 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4312 * varasm.c (assemble_variable): Clean up handling of size using
4313 host_integerp and tree_low_cst.
4314 (decode_addr_const): Use byte, not bit, position.
4315 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4316 use tree_low_cst and int_bit_position.
4317 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4319 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4321 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4322 (reorder_block_def): New members eff_head and eff_end.
4323 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4324 (verify_insn_chain): New function.
4325 (skip_insns_between_block): Add code to skip deleted insns.
4326 Check for note before using.
4327 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4328 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4329 Check for note before using.
4330 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4331 (fixup_reorder_chain): Restructure, clean up, defect removal.
4332 (reorder_basic_blocks): Remove last_insn and references to it.
4333 Moved insn chain verification code into a new function (see above).
4334 Delete defective code that sets last insn.
4335 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4338 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4340 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4342 2000-03-24 Richard Henderson <rth@cygnus.com>
4344 * tree.c (lang_safe_for_unsave): Remove.
4345 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4346 allowing for two levels of unsafeness. Remove lang hook.
4347 * tree.h: Update declarations.
4348 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4349 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4350 Always fail sibcalls when there are pending cleanups.
4352 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4354 * flow.c (propagate_block): When we delete an ADDR_VEC,
4355 also delete the BARRIER following it if there is one.
4357 2000-03-24 Richard Henderson <rth@cygnus.com>
4359 * builtins.c (expand_builtin_bzero): Convert `length' argument
4362 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4364 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4365 comparison if regno's are equal.
4366 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4367 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4368 (expand_call): Update caller.
4369 Avoid making a sibling call if argument size of the callee is larger
4370 than argument size of the caller.
4371 Call hard_function_value with outgoing set if in sibcall pass.
4372 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4374 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4375 Change LEAF_REGISTERS from an array initializer to actual array
4376 identifier. Move static global variable into the function.
4377 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4378 sequences for leaf functions.
4379 * global.c (global_alloc): Likewise.
4380 * tm.texi (LEAF_REGISTERS): Update documentation.
4382 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4383 TARGET_FLAT leaf disabling hack.
4384 (LEAF_REGISTERS): Changed from an array initializer to actual array
4385 identifier to avoid duplication and remove the above hack.
4386 (FUNCTION_OK_FOR_SIBCALL): Define.
4387 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4388 always like call attribute.
4389 (eligible_for_sibcall_delay): New attribute.
4390 (sibcall): New delay type.
4391 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4392 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4393 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4394 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4395 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4397 (output_function_epilogue): Move part of the code into
4398 output_restore_regs.
4399 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4401 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4404 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4405 until infrastructure is finished.
4407 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4409 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4410 (save_parm_insns): Not here.
4412 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4414 * builtins.c (expand_builtin_bzero): New function.
4415 (expand_builtin): Handle bzero.
4417 * builtins.def: Add BUILT_IN_BZERO.
4419 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4420 prototype & function for bzero.
4422 2000-03-23 Michael Meissner <meissner@redhat.com>
4424 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4425 change adding TARGET_FP to the TF floating point insns, except for
4426 trunctfsf2, which generates direct calls to truncdfsf2.
4428 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4430 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4431 try to protect against middle-end changes that break binary
4433 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4435 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4437 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4439 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4441 * calls.c (expand_call): If TARGET is passed by reference and
4442 is readonly, write a CLOBBER.
4444 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4446 * builtins.c (expand_builtin): Handle bcmp.
4448 * builtins.def: Add BUILT_IN_BCMP.
4450 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4451 prototype & function for bcmp.
4453 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4455 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4456 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4457 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4459 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4461 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4462 alternative when using -fp64 -gp32.
4464 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4466 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4467 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4468 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4470 * frame.h (frame_state): Revert last change.
4471 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4472 * libgcc2.c (throw_helper): Revert last change.
4474 2000-03-22 Richard Henderson <rth@cygnus.com>
4476 * stmt.c (expand_asm_operands): Don't promote the temporary.
4478 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4480 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4481 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4482 c_get_alias_set): Likewise.
4483 * c-decl.c (duplicate_decls): Likewise.
4484 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4485 * calls.c (initialize_argument_information): Likewise.
4486 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4488 * dwarfout.c (decl_class_context,output_type): Likewise.
4489 * expr.c (get_inner_reference): Likewise.
4490 * fold-const.c (simple_operand_p,fold): Likewise.
4491 * function.c (aggregate_value_p): Likewise.
4492 * stmt.c (expand_asm_operands): Likewise.
4493 * varasm.c (named_section): Likewise.
4495 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4497 Implement dwarf2 exception handling for the ARM.
4498 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4499 (DWARF_FRAME_RETURN_COLUMN): Define.
4500 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4501 REG_FRAME_RELATED_EXPR note.
4502 (emit_sfm): Likewise.
4503 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4504 * dwarf2out.c (reg_save): Handle saving a register to itself.
4505 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4506 * except.c (eh_regs): Don't use the static chain reg if it's
4508 * frame.h (frame_state): Add cfa_saved field.
4509 * frame.c (execute_cfa_insn): Set it.
4510 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4512 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4514 (instantiate_virtual_regs): Adjust.
4516 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4517 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4518 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4520 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4521 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4523 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4525 * builtins.def: New file.
4527 * Makefile.in (TREE_H): Depend on builtins.def.
4529 * builtins.c (built_in_names): Use builtins.def.
4531 * tree.h (built_in_function): Likewise.
4533 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4535 * tree.c (size_in_bytes): Return size_zero_node, not
4538 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4540 * config/fp-bit.c (pack_d): Correct the case when a denormal
4541 is rounded up and stops being denormal.
4543 2000-03-21 Richard Henderson <rth@cygnus.com>
4545 * config/alpha/alpha.c (function_arg): Check for void_type_node
4546 before using MUST_PASS_IN_STACK.
4548 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4550 * regmove.c (combine_stack_adjustments_for_block): Check that
4551 the stack pointer is a valid memory address.
4553 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4555 * calls.c: re-install Mar 16 emit_library_call merge.
4557 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4559 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4560 we cannot be sure that if reload_completed base register will
4561 be properly aligned.
4563 2000-03-21 Richard Henderson <rth@cygnus.com>
4565 * flow.c (delete_block): Fix typo last change.
4567 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4569 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4570 not COMPLETE_TYPE_P, to check the type of the expression.
4572 2000-03-21 Michael Meissner <meissner@redhat.com>
4574 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4575 all floating point insns that just tested the macro
4576 TARGET_HAS_XFLOATING_LIBS.
4577 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4578 used to only use the gprs.
4580 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4582 * tree.h (COMPLETE_TYPE_P): New macro.
4583 (COMPLETE_OR_VOID_TYPE_P): New macro.
4584 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4585 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4586 * c-aux-info.c (gen_type): Use them.
4587 * c-common.c (c_expand_expr_stmt): Likewise.
4588 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4589 grokdeclarator, grokparms, finish_struct, start_function,
4590 store_parm_decls, combine_parm_decls): Likewise.
4591 * c-parse.y (cast_expr): Likewise.
4592 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4593 c_size_in_bytes, c_alignof, build_component_ref,
4594 build_indirect_ref, build_array_ref, convert_arguments,
4595 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4596 * calls.c (initialize_argument_information): Likewise.
4597 * convert.c (convert_to_integer): Likewise.
4598 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4599 * dwarfout.c (location_or_const_value_attribute,
4600 output_enumeration_type_die, output_structure_type_die,
4601 output_union_type_die, output_type): Likewise.
4602 * expr.c (safe_from_p, expand_expr): Likewise.
4603 * function.c (assign_parms): Likewise.
4604 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4605 * tree.c (build_array_type, build_function_type,
4606 build_method_type, build_offset_type, build_complex_type): Likewise.
4607 * c-parse.c, c-parse.h: Regenerated.
4609 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4611 * config/c4x/rtems.h: Include config/rtems.h.
4613 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4615 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4616 decl is a FUNCTION_DECL
4618 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4620 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4621 function uses output registers. Don't save RP for leaf functions.
4622 Do save RP even if no epilogue.
4623 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4624 (CALL_USED_REGISTERS): Unmark in registers.
4625 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4628 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4630 * config/rs6000/rs6000.md (bunordered): New expander.
4631 (bordered): New expander.
4632 (buneq): New expander.
4633 (bunge): New expander.
4634 (bungt): New expander.
4635 (bunle): New expander.
4636 (bunlt): New expander.
4637 (bltgt): New expander.
4639 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4640 (ccr_bit_negated_p): New function.
4641 (print_operand): For %C, generate appropriate cror for UNEQ,
4642 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4644 2000-03-20 Andreas Jaeger <aj@suse.de>
4646 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4649 * tree.h (safe_for_unsave): Prototype.
4651 2000-03-20 Richard Henderson <rth@cygnus.com>
4653 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4654 (combine_stack_adjustments_for_block): Don't allow sp references
4655 in the side of a set we're not fixing up.
4656 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4657 after life_analysis.
4659 2000-03-20 Richard Henderson <rth@cygnus.com>
4661 * calls.c (expand_call): Don't bother generating tail call
4662 sequences if there are pending cleanups. Use
4663 expand_start_target_temps/expand_end_target_temps to elide
4664 cleanups created during sibcall expansion.
4666 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4668 * configure.in: Set $IFS to a value if it doesn't already have one
4669 in the --enable-checking handling.
4670 * configure: Regenerate.
4672 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4674 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4675 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4678 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4680 * jump.c (delete_noop_moves): Remove code attempting to
4681 combine stack adjustments.
4683 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4685 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4686 * except.c (emit_cleanup_handler): Use them.
4687 (expand_end_all_catch): Likewise.
4688 * function.c (fixup_var_refs): Likewise.
4689 (expand_function_end): Clear catch_clauses_last.
4690 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4691 * except.h (struct eh_status): New field x_catch_clauses_last.
4692 (catch_clauses_last): New define.
4694 * Makefile.in (tree.o): Depend on HASHTAB_H.
4695 * tree.c: Include hashtab.h.
4696 (struct type_hash): Remove next field.
4697 (TYPE_HASH_SIZE): Remove.
4698 (TYPE_HASH_INITIAL_SIZE): New define.
4699 (type_hash_table): Change type to htab_t.
4700 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4701 mark_hash_entry): New functions.
4702 (init_obstacks): Allocate type hash.
4703 (type_hash_lookup): Use htab functions.
4704 (type_hash_add, mark_type_hash): Likewise.
4705 (dump_tree_statistics): Call print_type_hash_statistics.
4707 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4709 * rs6000/t-aix41: New file.
4711 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4713 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4715 * tm.texi (Driver): Fix typos and tweak entry for
4717 Move misplaced STRUCT_FORCE_BLK entry ...
4718 (Storage Layout): ... to here.
4719 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4721 2000-03-19 Richard Henderson <rth@cygnus.com>
4723 * flow.c (delete_block): Delete the addr_vec along with the block.
4724 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4727 * fold-const.c (extract_muldiv): Apply type check for defined
4728 overflow to multiply as well as divide.
4730 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4732 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4734 * emit-rtl.c (remove_unncessary_notes): Check that all
4735 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4736 associated NOTE_BLOCK.
4737 * function.h (identify_blocks): Update comments.
4738 (reorder_blocks): Declare.
4739 * function.c (identify_blocks): Don't take paramters.
4740 (reorder_blocks): Don't take parameters.
4741 * loop.h (find_loop_tree_blocks): Remove.
4742 (unroll_block_trees): Likewise.
4743 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4744 reorder_blocks instead of unroll_block_trees.h
4745 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4746 * stmt.c (find_loop_tree_blocks): Remove.
4747 (unroll_block_trees): Likewise.
4748 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4749 in whole-function mode.
4750 * tree.h (reorder_blocks): Remove declaration.
4752 * expr.c: Include intl.h.
4753 * Makefile.in (expr.o): Depend on intl.h.
4755 2000-03-18 Richard Henderson <rth@cygnus.com>
4757 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4759 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4761 * tree.h (tree_index): Remove enumerals for integer types.
4762 (integer_type_kind): New type.
4763 (integer_types): New variable.
4764 (char_type_node): Adjust.
4765 (signed_char_type_node): Likewise.
4766 (unsigned_char_type_node): Likewise.
4767 (short_integer_type_node): Likewise.
4768 (short_unsigned_type_node): Likewise.
4769 (integer_type_node): Likewise.
4770 (unsigned_type_node): Likewise.
4771 (long_integer_type_node): Likewise.
4772 (long_unsigned_type_node): Likewise.
4773 (long_long_integer_type_node): Likewise.
4774 (long_long_unsigned_type_node): Likewise.
4775 * tree.c (integer_types): New variable.
4776 (init_obstacks): Register it as a root.
4778 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4780 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4781 NEXT_INSN. Update last insn in chain.
4783 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4785 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4786 with TYPE_DECL_SUPPRESS_DEBUG set.
4788 2000-03-18 Richard Henderson <rth@cygnus.com>
4790 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4792 2000-03-18 Richard Henderson <rth@cygnus.com>
4794 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4795 care for HALF_PIC_P.
4796 (expander_call_insn_operand): Remove.
4797 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4798 * i386.h (PREDICATE_CODES): Update.
4799 * i386.md (all call expanders): Remove predicates, remove special
4800 handling for half-pic.
4801 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4802 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4803 (sibcall_epilogue): New.
4805 2000-03-17 Richard Henderson <rth@cygnus.com>
4807 * rtlanal.c (single_set): Reject if the parallel has anything
4808 except SET or USE or CLOBBER.
4810 2000-03-17 Jeff Law <law@cygnus.com>
4811 Richard Henderson <rth@cygnus.com>
4813 * Makefile.in (OBJS): Add sibcall.o.
4815 * sibcall.c: New file.
4816 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4817 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4818 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4819 Emit sibcall patterns when requested. Update all callers.
4820 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4821 elimination seems feasable.
4822 * final.c (leaf_function_p): Sibling calls don't discount being
4824 * flow.c (HAVE_sibcall_epilogue): Provide default.
4825 (find_basic_blocks_1): Sibling calls don't throw.
4826 (make_edges): Make edge from sibling call to EXIT.
4827 (propagate_block): Don't remove sibcall_epilogue insns.
4828 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4829 (sibcall_epilogue): New.
4830 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4831 (identify_blocks_1): Likewise. Break out from ...
4832 (identify_blocks): ... here.
4833 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4834 (reorder_blocks): ... here.
4835 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4836 (record_insns): Extend a varray instead of mallocing new memory.
4837 (contains): Read a varray not array of ints.
4838 (sibcall_epilogue_contains): New.
4839 (thread_prologue_and_epilogue_insns): Emit and record
4840 sibcall_epilogue patterns.
4841 (init_function_once): Allocate prologue/epilogue varrays.
4842 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4843 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4845 (save_for_inline_nocopy): ... here.
4846 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4848 (expand_inline_function): ... here.
4849 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4850 (subst_constants): Handle 'n' formats.
4851 * jump.c (jump_optimize_minimal): New.
4852 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4853 optimizations if it's set.
4854 * rtl.c (copy_rtx): Do copy jump & call for insns.
4855 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4856 (SIBLING_CALL_P): New.
4857 (sibcall_use_t): New.
4858 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4859 Invoke optimize_sibling_and_tail_recursive_calls.
4860 * tree.c (lang_safe_for_unsave): New.
4861 (safe_for_unsave): New.
4862 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4864 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4865 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4866 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4868 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4870 * objc/objc-act.c (encode_method_prototype): Pass types, not
4871 PARM_DECLs, to int_size_in_bytes.
4873 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4875 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4877 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4878 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4880 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4882 * Clean up usages of TREE_INT_CST_LOW.
4883 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4884 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4886 * c-tree.h (min_precision): Move declaration to here.
4887 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4888 (build_unary_op, add_pending_init): Use bit_position.
4889 (pending_init_member, process_init_element): Likewise.
4890 (really_start_incremental_init, push_init_level, pop_init_level):
4891 Don't make copies of nodes or modify them in place, use consistent
4892 types when tracking positions, and use tree routines computations.
4893 (set_init_index, output_init_element): Likewise.
4894 (output_pending_init_elements, process_init_element): Likewise.
4895 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4896 tree_low_cst and int_bit_position; also minor cleanup.
4897 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4898 (print_cst_octal): Precision is unsigned.
4899 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4900 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4901 (simple_type_align_in_bits): Result is unsigned int.
4902 Use tree_int_low_cst and host_integerp.
4903 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4904 (field_byte_offset): Result is HOST_WIDE_INT.
4905 Change types of internal variables so alignments are unsigned int,
4906 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4907 Use host_integerp, tree_low_cst, and int_bit_position.
4908 (add_bit_offset_attribute): Likewise.
4909 (add_data_member_location_attribute): Use tree_cst_low.
4910 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4911 (add_bit_size_attribute): Use tree_low_cst.
4912 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4913 * dwarfout.c: Similar changes to dwarf2out.c.
4914 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4915 * genoutput.c (n_occurences): Return -1 for null string.
4916 (strip_whitespace): Accept null string and make into function.
4917 (scan_operands): Reflect above changes.
4918 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4919 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4920 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4921 * tree.c (int_size_in_bytes): Check for too big to represent.
4922 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4923 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4925 (min_precision): Delete from here.
4926 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4927 and int_bit_position.
4928 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4929 (encode_method_def): Likewise.
4930 (build_ivar_list_initializer): Use int_bit_position.
4931 (generate_shared_structures): Convert size.
4932 (encode_type, encode_complete_bitfield): Use integer_zerop.
4933 (encode_bitfield): Use tree_low_cst and int_bit_position.
4935 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4937 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4939 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4941 * call.c (special_function_p): It is only malloc if it returns
4944 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4946 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4947 (C33_FLAG, TARGET_C3X): Add macros.
4948 (TARGET_SWITCHES): Add -m33 option.
4949 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4951 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4953 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4954 (PARALLEL_PACK_FLAG): Delete.
4955 (TARGET_SWITCHES): Update.
4956 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4958 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4960 * fold-const.c (fold): Fix a few cases when the returned result
4961 is not of the same type as the input.
4963 2000-03-16 Nick Clifton <nickc@cygnus.com>
4965 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4968 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4970 * libgcc2.h: Move prototypes above macros with the same name.
4971 Wrap some function prototypes in the conditional which indicates
4972 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4974 2000-03-16 Richard Henderson <rth@cygnus.com>
4976 * calls.c: Revert last two changes.
4978 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4980 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4981 has exponent 0 is a zero.
4983 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4984 HASH may already be nonzero. Add code/mode into hash value
4985 immediately after repeat label.
4986 (cselib_lookup): Don't leave the hash table in an inconsistent
4987 state before a hash lookup operation.
4989 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4991 * i386.md (all HI and QI mode non-move patterns): Conditionize
4992 by TARGET_[HQ]IMODE_MATH.
4993 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4994 x86_promote_qi_regs): Declare.
4995 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4996 TARGET_PROMOTE_QI_REGS): New macros.
4997 (PROMOTE_MODE): New macro.
4998 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4999 x86_promote_qi_regs): New global variables.
5001 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5003 * calls.c (emit_library_call_value_1): Break out from ...; handle
5004 VOIDmode function calls too.
5005 (emit_library_call_value): ... here.
5006 (emit_library_call): Implement by calling emit_library_call_value_1.
5008 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5010 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5011 Update arg_space_so_far on stack adjustments.
5012 (emit_library_call, emit_library_call_value): Likewise; take into
5013 account arg_space_so_far and pending_stack_adjust when calculcating
5016 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5018 * flow.c: Move all basic block reordering code into its own file.
5019 (create_basic_block): Externalize.
5020 * bb-reorder.c: New file. Copy all basic block reordering code from
5021 flow.c to this file.
5022 (reorder_basic_blocks): Fix fencepost error in for-loop.
5023 (reorder_basic_blocks): Remove braces from single statement for-loops.
5024 * basic-block.h: Add declaration for create_basic_block.
5025 * Makefile.in: Add rules for bb-reorder.o.
5027 2000-03-16 Neil Booth <NeilB@earthling.net>
5029 * cppinit.c (handle_option): Implement #unassert directive
5030 as -A- command line option.
5031 (print_help): Update.
5032 * cpptexi.c: Update.
5034 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5036 * md.texi (Standard Names): Document `jump'.
5038 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5040 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5043 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5045 Merge changes from newppc-branch onto trunk.
5047 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5049 * rs6000.c (toc_hash_table): Update for new hash table functions.
5050 (toc_hash_function): Likewise.
5051 (toc_hash_eq): Likewise.
5052 (toc_hash_mark_entry): Likewise.
5053 (toc_hash_mark_table): Likewise.
5054 (output_toc): Likewise.
5055 (rs6000_add_gc_roots): Likewise.
5057 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5059 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5060 (AR_FLAGS_FOR_TARGET): here. New macro.
5062 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5064 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5065 fpmem_operand) Delete.
5067 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5068 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5069 (rs6000_save_machine_status, rs6000_restore_machine_status,
5070 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5071 references to above variables.
5072 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5073 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5074 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5075 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5076 (XER_REGNO_P, XER_REGNO): New.
5077 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5078 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5079 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5081 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5082 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5083 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5085 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5087 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5088 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5089 * rs6000.h: from here.
5091 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5092 (rs6000_select_rtx_section): Likewise.
5093 (rs6000_encode_section_info): Likewise.
5094 (sdata_section): Likewise.
5095 (sdata2_section): Likewise.
5096 (sbss_section): Likewise.
5097 * sysv4.h (rs6000_select_section): Delete prototype.
5098 (rs6000_select_rtx_section): Likewise.
5099 (rs6000_encode_section_info): Likewise.
5100 (sdata_section): Likewise.
5101 (sdata2_section): Likewise.
5102 (sbss_section): Likewise.
5103 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5105 * sysv4.h: Delete various unnecessary #undef's and put a comment
5106 on the remaining ones.
5107 Change various comments according to coding standard.
5109 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5111 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5112 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5113 (CR0_REGNO_P) Remove.
5114 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5115 setup_incoming_varargs, mtcrf_operation, print_operand,
5116 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5117 Use the above macros.
5119 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5121 * config/rs6000/rs6000.md: Added a new alternative for each
5122 pattern that had a 'x' alternative but no 'y' alternative.
5123 Added a new split for each of the above patterns.
5125 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5127 * aix41.h (ASM_CPU_SPEC): Delete.
5128 (CPP_CPU_SPEC): Delete.
5130 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5131 (ASM_OUTPUT_LABEL): Define.
5132 (ASM_GLOBALIZE_LABEL): Define.
5133 (STRIP_NAME_ENCODING): Define.
5134 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5135 (STRIP_NAME_ENCODING): Don't define.
5136 (ASM_OUTPUT_LABEL): Don't define.
5137 (ASM_GLOBALIZE_LABEL): Don't define.
5138 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5139 names, and ASM_OUTPUT_LABEL to output labels, rather than
5141 (ASM_OUTPUT_LABEL): Define.
5142 (ASM_OUTPUT_INT): Use assemble_name.
5143 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5144 (STRIP_NAME_ENCODING): Don't undefine first.
5145 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5147 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5148 specified with 'asm' even with -fleading-underscore.
5149 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5150 (output_epilog): Likewise.
5151 (output_toc): Likewise.
5152 * tramp.asm: Handle -fleading-underscore correctly.
5154 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5156 (nonlocal_goto_receiver): Delete.
5157 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5159 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5160 (SET_ASM_OP): Define.
5161 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5163 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5166 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5167 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5169 * rs6000.h: Add 'u' to more constants.
5171 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5173 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5175 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5177 * rs6000.c (reg_or_u_cint_operand): New function.
5178 (logical_operand): Handle 64-bit hosts.
5179 (logical_u_operand): New function.
5180 (non_logical_cint_operand): Handle 64-bit hosts.
5181 (non_logical_u_cint_operand): New function.
5182 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5183 (PREDICATE_CODES): Define new functions.
5184 * rs6000-protos.h: Declare new functions.
5185 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5186 (movdi_64): Bracket code intended for 64-bit hosts. Create
5187 CONST_DOUBLE for 32-bit values.
5188 (scc insns): Generate DImode compares.
5189 (mfcr insns): Create DImode versions.
5190 (sge matchers): New patterns.
5192 2000-02-15 Gabriel Paubert <paubert@iram.es>
5194 * rs6000.md: Correct instructions length attributes and
5195 constraints on unsigned compare instructions.
5196 (*ne0): Disable for PowerPC64.
5198 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5200 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5201 quantity, fix profile1.C test failure under -fPIC.
5203 * rs6000.c: Add 'u' to many constants to suppress warnings.
5204 (constant_pool_expr_1): Make static.
5205 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5206 * rs6000.h: Add 'u' to many constants to suppress warnings.
5208 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5209 for the start of the TOC, instead of LCTOC..0.
5210 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5212 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5213 (load_toc_aix_di): Use LCTOC..1.
5215 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5216 * rs6000.c (rs6000_legitimize_address): New function from
5217 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5218 symbols in the constant pool that really are TOC references.
5219 (print_operand_address): For ELF, write TOC offsets under
5220 -fPIC as subtractions in the insn.
5221 (output_toc): For ELF, define symbols in TOC as normal labels,
5223 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5224 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5225 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5226 * rs6000.md (movsi): Only use create_TOC_reference on
5227 symbols in the constant pool that really are TOC references.
5229 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5230 * rs6000.c (rs6000_reorg): Delete.
5231 * rs6000-protos.h (rs6000_reorg): Delete.
5233 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5235 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5237 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5238 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5239 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5240 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5241 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5242 rs6000_aix_emit_builtin_unwind_init.
5243 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5244 rs6000_emit_eh_toc_restore on AIX.
5245 (return_eh_si): Use r2.
5246 (return_eh_di): Use r2.
5248 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5249 since we're breaking binary compatibility anyway.
5251 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5253 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5254 constant_pool_expr_p): Declare them.
5255 (constant_pool_expr_p): Declare it.
5256 * config/rs6000/rs6000.c (toc_label_name): Define.
5257 (rs6000_override_options): Set toc_label_name.
5258 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5259 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5260 uses_TOC): New functions.
5261 (print_operand): Delete old '*' case.
5262 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5263 and strip off rtl for TOC before calling output_addr_const.
5264 (rs6000_emit_load_toc_table): Use toc_label_name.
5265 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5267 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5268 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5269 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5270 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5271 into explicit TOC_REGISTER offsets.
5272 (TOC_REGISTER): New macro.
5273 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5274 TARGET_TOC to reference TOC_REGISTER.
5275 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5276 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5277 uses_TOC before emitting label references.
5279 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5281 * rs6000.md (stack_tie): Fix warning.
5283 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5284 to handle -fleading-underscore.
5285 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5286 (USER_LABEL_PREFIX): New macro.
5287 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5288 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5289 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5290 call-linux can use the same multilibs.
5291 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5292 and call-linux multilibs. Do multilib with -fleading-underscore.
5293 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5294 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5297 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5298 have MASK_SOFT_FLOAT set.
5299 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5300 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5301 CPP_FLOAT_DEFAULT_SPEC.
5303 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5304 * rs6000.md: Whitespace change.
5305 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5306 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5308 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5310 * rs6000.md (eh_epilogue): New expander.
5311 (eh_reg_restore): New expand/split/insn combination.
5312 (return_eh_si): New insn.
5313 (return_eh_di): New insn.
5315 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5316 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5317 * eabi-ctors.c (__do_global_ctors): Register this object's
5318 frame. Clean up. Call atexit() after the constructors.
5319 (__do_global_dtors): Deregister this object's frame. Clean up.
5320 Allow for recursive calls to exit().
5321 * rs6000.c (fixuplabelno): New variable.
5322 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5323 TARGET_RELOCATABLE, it slows down exec() under linux.
5324 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5326 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5327 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5328 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5329 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5330 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5331 (ASM_OUTPUT_DWARF_ADDR): New macro.
5332 (ASM_OUTPUT_DWARF_DATA4): New macro.
5333 (ASM_OUTPUT_DWARF_DATA2): New macro.
5334 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5335 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5336 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5338 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5340 * rs6000.c (rs6000_sr_alias_set): New variable.
5341 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5342 (rs6000_emit_stack_tie): New function.
5343 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5344 in a way that dwarf2out can understand.
5345 (rs6000_frame_related): New function.
5346 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5347 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5348 Use rs6000_emit_stack_tie when needed.
5349 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5350 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5351 * rs6000.md (stack_tie): New insn.
5352 (return_internal_si): Allow return value to be in the count
5354 (return_internal_di): Likewise.
5356 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5358 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5360 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5362 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5364 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5366 * rs6000.md (stmw): Use the right POWER opcode.
5369 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5371 * rs6000-protos.h: New file.
5373 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5375 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5378 * sysv4.h: Likewise.
5380 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5382 * ../../configure.in: Delete powerpcle-*-winnt*
5383 and powerpcle-*-pe|powerpcle-*-cygwin*.
5384 * ../../configure: Regenerated.
5386 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5387 (TARGET_WINDOWS_NT): Delete.
5389 (CALL_NT_DLLIMPORT): Delete.
5390 Delete NT-specific code.
5391 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5394 * nt-ci.asm: Delete.
5395 * nt-cn.asm: Delete.
5396 * ntstack.asm: Delete.
5398 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5400 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5401 (ASM_FILE_START): Likewise.
5402 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5403 (ASM_OUTPUT_LABELREF): Likewise.
5404 (ASM_OUTPUT_SKIP): Likewise.
5405 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5406 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5407 (ASM_OUTPUT_CASE_LABEL): Likewise.
5408 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5409 (ASM_OUTPUT_ASCII): Likewise.
5411 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5413 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5414 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5415 increment rs6000_pic_labelno here.
5416 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5417 and increment rs6000_pic_labelno here.
5419 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5421 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5422 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5423 allocation knows (reg) is dead before the insn.
5425 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5427 * rs6000.md (movsi_to_cr): Correct typo in output template.
5429 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5431 * rs6000.c (rs6000_pic_labelno): Always define.
5432 (rs6000_pic_func_labelno): Delete.
5433 (lmw_operation): Check for a zero base register,
5434 which doesn't mean what we want.
5435 (stmw_operation): New function.
5436 (print_operand): Define new 'l' modifier.
5437 (rs6000_stack_info): We must save all 64 bits of the registers
5438 if TARGET_POWERPC64.
5439 (rs6000_output_load_toc_table): Delete.
5440 (rs6000_emit_load_toc_table): New function.
5441 (rs6000_allocate_stack_space): Delete.
5442 (rs6000_emit_allocate_stack): New function.
5443 (rs6000_emit_prologue): New function.
5444 (output_prolog): Use rs6000_emit_prologue.
5445 (rs6000_emit_epilogue): Change a few variable names to be
5446 more accurate. Restore all 64 bits of the registers if
5447 TARGET_POWERPC64. Only restore the FP registers which were used
5448 if they are being saved/restored one-at-a-time.
5449 (output_mi_thunk): Delete inefficient code generation.
5450 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5451 * rs6000.h: Declare rs6000_emit_load_toc_table,
5452 rs6000_allocate_stack_space, stmw_operation. Don't declare
5453 rs6000_output_load_toc_table.
5454 * rs6000.md (elf_high): Allow register 0, but discourage it
5456 (elf_low): Support loading into register 0.
5457 (load_toc_aix_si): New pattern.
5458 (load_toc_aix_di): New pattern.
5459 (load_toc_v4_pic_si): New pattern.
5460 (load_toc_v4_pic_di): New pattern.
5461 (load_toc_v4_PIC_1): New pattern.
5462 (load_toc_v4_PIC_1b): New pattern.
5463 (load_toc_v4_PIC_2): New pattern.
5464 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5465 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5466 (prologue): New expander.
5467 (movesi_from_cr): New pattern.
5468 (stmw): New pattern.
5469 (save_fpregs_si): New pattern.
5470 (save_fpregs_di): New pattern.
5472 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5474 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5479 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5481 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5483 (movsi_got_internal): Likewise.
5484 (movsi_got_internal+1): Likewise.
5485 (set_sp): 'unspec 7' does a SImode clobber.
5487 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5489 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5490 allocate a stack temporary.
5491 (floatsidf2_internal): Likewise.
5492 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5494 (floatunssidf2): Don't use the fpmem "register", just
5495 allocate a stack temporary.
5496 (floatunssidf2_internal): Likewise.
5497 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5499 (floatsidf2_loadaddr): Delete.
5500 (floatsidf2_store1): Delete.
5501 (floatsidf2_store2): Delete.
5502 (floatsidf2_load): Delete.
5503 (fix_truncdfsi2): Don't use the fpmem "register", just
5504 allocate a stack temporary.
5505 (fix_truncdfsi2_internal_si): Delete.
5506 (fix_truncdfsi2_internal_di): Delete.
5507 (fix_truncdfsi2_internal): New insn.
5508 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5509 (fix_truncdfsi2_store): Delete.
5510 (fix_truncdfsi2_load): Delete.
5511 (fctiwz): Produce gen_fctiwz.
5513 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5515 * eabi.h (INVOKE__main): Define.
5516 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5518 (rs6000_emit_prologue): Likewise.
5519 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5520 this is the main program.
5522 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5524 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5526 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5528 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5529 goes after the argument.
5531 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5533 * rs6000.md: Document 'unspec' values used.
5534 (epilogue): New expander.
5535 (movesi_to_cr_one): New expander.
5536 (movesi_to_cr and following): New pattern.
5538 (return_internal_si): New pattern.
5539 (return_internal_di): New pattern.
5540 (return_and_restore_fpregs_si): New pattern.
5541 (return_and_restore_fpregs_di): New pattern.
5542 * rs6000.h: Declare new functions.
5543 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5544 rather than rs6000_calls_p.
5545 (rs6000_makes_calls): Delete.
5546 (lmw_operation): New function.
5547 (mtcrf_operation): New function.
5548 (rs6000_emit_epilogue): New function.
5549 (output_epilog): Call rs6000_emit_epilogue and final if
5550 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5552 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5554 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5555 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5556 * aix.h (SUBTARGET_SWITCHES): Document switches.
5557 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5558 sched-prolog and sched-epilog the same. Document all the
5560 (TARGET_OPTIONS): No longer allow -mdebug-.
5562 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5564 * rs6000.h (ASM_FILE_END): Move to aix.h.
5565 (EXTRA_SECTIONS): Move to aix.h.
5566 (READONLY_DATA_SECTION): Move to aix.h.
5567 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5568 (SELECT_SECTION): Move to aix.h.
5569 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5570 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5571 (LINK_REGISTER_REGNUM): New definition.
5572 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5573 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5575 * sysv4.h: Delete the code between the inclusion of rs6000.h
5577 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5578 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5579 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5580 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5581 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5582 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5583 (fix_truncdfsi2_internal_di): New pattern.
5584 (fix_truncdfsi2_store): The second arg here is Pmode too.
5585 (fix_truncdfsi2_load): The second arg here is Pmode too.
5586 (tablejumpdi): Now that switch tables hold only SImode values,
5587 gcc needs to know how to add them to the pc which is DImode.
5588 * rs6000.c (rs6000_stack_info): Use symbolic name for
5589 LINK_REGISTER_REGNUM.
5590 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5591 (output_toc): Delete unused variables s1 and s2.
5592 (output_ascii): Use fputs not fprintf on a variable string.
5594 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5596 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5597 * aix43.h: Revert Aug 2 change.
5598 (HAS_INIT_SECTION): Define, not visible yet.
5599 (LD_INIT_SWITCH): Define, not visible yet.
5600 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5602 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5604 * config/rs6000/rtems.h: Include config/rtems.h.
5606 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5608 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5609 (SLOW_UNALIGNED_ACCESS): Define.
5610 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5611 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5612 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5613 (toc_section): Likewise and .toc pseudo-op.
5614 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5616 (TEXT_SECTION_ASM_OP): Likewise.
5617 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5620 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5622 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5623 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5626 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5628 * rs6000.h: Move more stuff from here...
5630 * sysv4.h: Cleanup accordingly.
5631 * netware.h: Likewise
5633 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5635 * rs6000.h: Continue cleanup.
5638 * netware.h: Likewise.
5640 * sysv4.h: Likewise.
5641 * win-nt.h: Likewise.
5643 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5644 (TARGET_OPTIONS): Likewise.
5646 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5647 (SUBTARGET_OPTIONS): Likewise.
5649 * rs6000.md: Fix compile time warnings.
5651 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5653 vxworks patches from the Cygnus tree originally by
5654 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5655 <vmakarov@cygnus.com>.
5656 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5657 (ENDFILE_SPEC): Likewise.
5658 (LIB_VXWORKS_SPEC): New macro.
5659 (STARTFILE_VXWORKS_SPEC): New macro.
5660 (ENDFILE_VXWORKS_SPEC): New macro.
5661 (LINK_START_VXWORKS_SPEC): New macro.
5662 (LINK_OS_VXWORKS_SPEC): New macro.
5663 (CPP_OS_VXWORKS_SPEC): New macro.
5664 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5665 * vxppc.h: Rewrite to use proper configuration method.
5666 * vxppcle.h: New file.
5667 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5668 * ../../configure: Rebuilt.
5670 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5672 Lots of changes to rs6000.h, sysv4.h, aix.h,
5673 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5674 with the aim that rs6000.h is the first header
5675 included and the others override it.
5678 * x-aix41-gld: Remove.
5680 * x-aix41: Remove target-specific switches, and don't specify
5681 -Wl,-bbigtoc as we don't need it any more.
5682 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5683 Use t-aix43 for AIX 4.3 and above.
5684 * ../../configure: Regenerated.
5686 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5687 options, that don't do anything yet.
5688 (MASK_SCHED_PROLOG): New macro.
5689 (MASK_SCHED_EPILOG): New macro.
5690 (TARGET_SCHED_PROLOG): New macro.
5691 (TARGET_SCHED_EPILOG): New macro.
5693 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5695 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5696 one per translation unit, not one per function.
5697 (output_toc): Also do duplicate constant elimination
5698 for per-translation-unit TOCs.
5700 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5701 a comment explaining _exactly_ when this pattern gets used.
5702 (builtin_setjmp_receiver): New pattern for better clarity.
5703 (init_v4_pic): Move it into a section dealing with TOC registers.
5705 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5707 * rs6000.c (toc_hash_table): New variable.
5708 (rs6000_hash_constant): New function.
5709 (toc_hash_function): New function.
5710 (toc_hash_eq): New function.
5711 (toc_hash_mark_entry): New function.
5712 (toc_hash_mark_table): New function.
5713 (output_toc): Don't output duplicate TOC entries in
5715 (rs6000_add_gc_roots): Add the hash table as a GC root.
5716 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5717 where they clearly shouldn't be. This may need to be fixed
5718 later when there is a GNU ar for AIX.
5719 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5720 Don't define BOOT_LDFLAGS as it is now not necessary.
5722 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5724 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5725 for va_list on AIX. Use unsigned_char_type_node rather than
5726 constructing our own version on svr4.
5728 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5730 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5731 since patently it's not.
5733 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5735 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5736 define_expand/define_insn pair, and handle restore of the
5737 SVR4 -fpic register.
5739 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5741 * acconfig.h (HAVE_GAS_WEAK): New define.
5742 * configure.in (assembler weak support): Check for .weak support.
5743 * config.in, configure: Rebuilt.
5744 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5745 HAVE_GAS_WEAK is defined.
5747 2000-03-15 Nick Clifton <nickc@cygnus.com>
5749 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5752 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5754 * cppfiles.c (open_include_file): New function.
5755 (find_include_file, cpp_read_file): Use it.
5757 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5759 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5761 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5763 * flow.c (verify_flow_info): Check for unconditional return.
5765 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5767 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5768 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5769 (__ia64_restore_stack_nonlocal): New.
5770 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5772 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5774 * cpphash.c (collect_formal_parameters): Do not complain about
5775 parameter names that just start with `__VA_ARGS__'.
5777 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5779 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5780 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5781 * i386.c (pentiumpro_cost): Set mul cost to 4.
5782 (x86_use_movx): Set for PPro.
5784 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5786 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5787 STACK_BOUNDARY for empty frames now.
5789 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5791 * stor-layout.c (layout_union): Remove.
5792 (layout_union_field): New function, split out from layout_union.
5793 (finish_union_layout): Likewise.
5794 (layout_field): Handle unions by calling layout_union_field.
5795 (finish_record_layout): Handle unions.
5796 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5797 QUAL_UNION_TYPE handling.
5799 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5801 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5802 end of basic block is jump_insn, not barrier; use create_basic_block
5803 instead of creating basic block by hand.
5805 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5807 * flow.c (reorder_basic_blocks): Account for barriers when writing
5808 over NEXT_INSN (last_bb->end).
5809 (verify_flow_info): Add check for missing barriers.
5811 2000-03-14 Greg McGary <gkm@gnu.org>
5813 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5814 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5815 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5816 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5817 __unbounded, __unbounded__): New keywords.
5818 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5819 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5820 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5822 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5824 * cselib.h: New file.
5825 * alias.c: Include "cselib.h".
5826 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5827 MEMs as two new arguments.
5828 (get_addr): New static function.
5829 (find_base_term): Handle VALUEs.
5830 (memrefs_conflict_p): Likewise.
5831 (true_dependence): Call get_addr on the addresses.
5832 Call fixed_scalar_and_varying_struct_p with addresses that have been
5833 passed through get_addr and canon_rtx.
5834 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5835 with true_dependence.
5836 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5837 * loop.c: Include "cselib.h".
5838 (load_mems): Process extended basic block that enters the loop with
5839 cselib. Use that information to change initialization of the shadow
5840 register so that a constant equivalence is seen by later passes.
5841 * reload1.c: Include "cselib.h".
5842 (reload_cse_invalidate_regno): Delete function.
5843 (reload_cse_mem_conflict_p): Likewise.
5844 (reload_cse_invalidate_mem): Likewise.
5845 (reload_cse_invalidate_rtx): Likewise.
5846 (reload_cse_regno_equal_p): Likewise.
5847 (reload_cse_check_clobber): Likewise.
5848 (reload_cse_record_set): Likewise.
5849 (reg_values): Delete static variable.
5850 (invalidate_regno_rtx): Likewise.
5851 (reload_cse_delete_noop_set): New static function.
5852 (reload_cse_simplify): New static function, broken out of
5854 (reload_cse_noop_set_p): Delete unused argument INSN.
5855 Just call rtx_equal_for_cselib_p on set source and destination.
5856 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5857 reload_cse_delete_noop_set. Delete code to keep track of values; use
5858 cselib functions instead. Delete code to push/pop obstacks.
5859 (reload_cse_simplify_set): Use cselib to find equivalent values.
5860 Delete code to push/pop obstacks.
5861 (reload_cse_simplify_operands): Likewise.
5862 * rtl.def (VALUE): New rtx code.
5863 * rtl.h (union rtunion_def): New elt rt_cselib.
5864 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5865 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5866 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5867 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5868 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5869 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5870 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5871 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5872 cselib_record_set, cselib_record_sets): New static functions.
5873 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5874 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5875 references_value_p): New functions.
5876 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5877 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5878 n_useless_values, reg_values, callmem, cselib_obstack,
5879 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5880 New static variables.
5881 * varray.h (union varray_data_tag): New elt te.
5882 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5883 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5886 2000-03-14 Nick Clifton <nickc@cygnus.com>
5888 * gcc.c (do_spec_1): Catch the case where %* is used in a
5889 substitution pattern, but it has not been initialised.
5890 Issue a meaningful error message if an unrecognised operator
5891 is encountered in a spec string.
5893 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5895 * function.c (prepare_function_start): Correctly initialize
5896 cfun->stack_alignment_needed.
5898 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5900 * cppfiles.c (find_include_file): Don't assume nshort is a
5903 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5905 * configure.in (hppa configurations): Add pa32-regs.h to the
5906 list of tm files as appropriate.
5907 * configure: Rebuilt.
5908 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5910 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5911 (fmpyaddoperands, fmpysuboperands): Likewise.
5912 * pa.h: Remove various definitions which depend on knowing
5913 how registers are numbered.
5914 * pa32-regs.h: New file with PA32 register numbering specific
5917 2000-03-14 Richard Henderson <rth@cygnus.com>
5919 * regmove.c (combine_stack_adjustments): New.
5920 (stack_memref_p, single_set_for_csa): New.
5921 (free_csa_memlist, record_one_stack_memref): New.
5922 (try_apply_stack_adjustment): New.
5923 (combine_stack_adjustments_for_block): New.
5924 * rtl.h (combine_stack_adjustments): Declare.
5925 * toplev.c (rest_of_compilation): Call it.
5927 * i386.md: Revert 2000-01-16 change.
5929 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5931 * gccbug.in: Add web category, gcc specific classes.
5933 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5935 * stor-layout.c (finalize_record_size): Fix typo.
5937 2000-03-14 Stan Shebs <shebs@apple.com>
5939 * c-typeck.c (c_alignof): Error on incomplete types.
5940 * extend.texi (Alignment): Document this.
5942 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5944 * cppfiles.c: Include mkdeps.h.
5945 (find_include_file, read_include_file): Remove _cpp_ prefix
5946 from name, make static.
5947 (_cpp_execute_include): New function, broken out of
5950 * cpplib.c: Don't include mkdeps.h.
5951 (struct directive): Remove type field. Reorder entries. The
5952 function takes only one argument.
5953 (struct if_stack): Make type field an int.
5954 (directive_table): Rename to dtable. Generate it, the
5955 prototypes of the directive handlers, and the enum for the
5956 directive numbers, from a template macro.
5957 (do_ifndef, do_include_next, do_import): New functions.
5958 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5959 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5960 do_ident, do_assert, do_unassert, do_sccs): Take only one
5962 (do_sccs): Define always, but alter behavior based on
5964 (_cpp_handle_directive, consider_directive_while_skipping):
5965 Restructure for new directive table layout.
5967 (pass_thru_directive): Take a directive number, not a pointer
5968 to a struct directive.
5969 (parse_include): New function, broken out of do_include.
5970 (do_include, do_import, do_include_next): Use parse_include
5971 and _cpp_execute_include.
5972 (do_elif, do_else): Test for T_ELSE specifically when checking
5973 for #elif/#else after #else.
5974 (parse_ifdef): New function, broken out of do_ifdef.
5975 (validate_else): Expect a name arg without a leading #.
5976 (if_directive_name): Delete.
5977 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5978 directive handlers with only one argument.
5980 * cpphash.h: Update prototypes.
5981 (enum node_type): Remove entries for directives.
5982 * Makefile.in: Update dependencies.
5984 * cpphash.c (dump_hash_helper): Only dump nodes of type
5985 T_MACRO. Emit a newline after each definition.
5987 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5989 * gccbug.in: New file.
5990 * configure.in (all_outputs): Add gccbug.
5991 * Makefile.in (install-common): Install gccbug.
5992 (GCCBUG_INSTALL_NAME): New variable.
5993 * configure: Rebuilt.
5995 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5997 * function.c (put_var_into_stack): Use type_for_mode to calculate
5998 part_type. Use MEM_SET_IN_STRUCT_P.
5999 * expr.c (store_field): Handle CONCAT.
6000 (store_constructor): Use fields_length.
6001 * tree.c (fields_length): New fn.
6002 * tree.h: Declare it.
6004 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6006 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6007 (cpplex.o): New target.
6008 * po/POTFILES.in: Add cpplex.c.
6010 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6011 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6012 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6013 skip_block_comment, skip_line_comment, skip_comment,
6014 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6015 _cpp_parse_name, skip_string, parse_string,
6016 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6017 _cpp_get_directive_token, find_position,
6018 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6019 (maybe_macroexpand, _cpp_lex_token): New functions.
6021 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6022 parse_goto_mark): Delete.
6023 (_cpp_handle_eof): New function.
6024 (_cpp_handle_directive): Rename from handle_directive.
6025 (_cpp_output_line_command): Rename from output_line_command.
6026 (do_if, do_elif): Call _cpp_parse_expr directly.
6027 * cppfiles.c (_cpp_read_include_file): Don't call
6028 init_input_buffer here.
6029 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6030 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6031 here; pop the token_buffer and skip the rest of the line here.
6032 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6035 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6037 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6038 CPP_GOTO_MARK): New macros.
6039 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6040 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6041 _cpp_read_and_prescan, _cpp_init_input_buffer,
6042 _cpp_grow_token_buffer, _cpp_get_directive_token,
6043 _cpp_handle_directive, _cpp_handle_eof,
6044 _cpp_output_line_command): Prototype them here.
6045 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6046 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6047 quote_string, output_line_command): Remove.
6049 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6051 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6052 whether it is too large we must also verify that it isn't negative.
6054 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6056 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6057 (movsi_zero_liveg0): Remove.
6058 (movsf_insn_novis_liveg0): Remove.
6060 (negsi2_not_liveg0): Rename to negsi2.
6061 (one_cmplsi2): Remove.
6062 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6063 (one_cmplsi2_liveg0): Remove.
6064 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6065 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6066 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6067 (PREDICATE_CODES): Remove zero_operand.
6068 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6069 TARGET_BROKEN_SAVERESTORE.
6070 (zero_operand): Remove.
6071 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6072 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6074 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6075 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6076 TARGET_BROKEN_SAVERESTORE): Remove.
6077 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6079 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6081 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6084 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6086 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6088 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6089 truncating a string. Don't assume tokens are nul terminated.
6090 Problem noted by Andreas Jaeger <aj@suse.de>
6092 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6094 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6095 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6096 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6098 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6100 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6101 STRUCTURE_SIZE_BOUNDARY.
6103 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6105 * tree.h (record_layout_info_s): New structure.
6106 (record_layout_info): New type.
6107 (new_record_layout_info): New function.
6108 (layout_field): Likewise.
6109 (finish_record_layout): Likewise.
6110 * stor-layout.c (layout_record): Remove.
6111 (new_record_layout_info): New function.
6112 (layout_field): New function, broken out from layout_record.
6113 (finalize_record_size): Likewise.
6114 (compute_record_mode): Likewise.
6115 (finalize_type_size): New function, broken out from layout_type.
6116 (finish_record_layout): Likewise.
6117 (layout_type): Use them.
6119 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6121 * cpphash.c: Don't include version.h.
6122 (special_symbol) [case T_VERSION]: Look for the string in
6123 hp->value.cpval; don't use version_string.
6124 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6125 __VERSION__ to version_string.
6126 * Makefile.in (cpphash.o): Update deps.
6128 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6130 Convert cpplib to use libiberty/hashtab.c.
6132 * cpplib.h (struct cpp_reader): Make hashtab and
6133 all_include_files of type 'struct htab *'. Delete HASHSIZE
6134 and ALL_INCLUDE_HASHSIZE macros.
6136 * cpphash.h: Update prototypes.
6137 (struct hashnode): Remove next, prev, and bucket_hdr members.
6138 Make length a size_t. Add hash member.
6139 (struct ihash): Remove next member. Add hash member. Make
6140 name a flexible array member.
6142 * cppfiles.c: Include hashtab.h.
6143 (include_hash): Delete.
6144 (IHASHSIZE): New macro.
6145 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6146 (cpp_included): Do the hash lookup here.
6147 (_cpp_find_include_file): Rewrite.
6148 (cpp_read_file): Put the "fake" hash entry into the hash
6149 table. Honor the control_macro, if it turns out we've seen
6150 the file before. Don't push the buffer here.
6151 (_cpp_read_include_file): Push the buffer here.
6152 (OMODES): New macro. Use it whenever we call open(2).
6154 * cpphash.c: Include hashtab.h.
6155 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6156 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6157 _cpp_lookup_slot): New functions.
6158 (HASHSIZE): new macro.
6159 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6160 (_cpp_lookup): Use hashtab.h routines.
6162 * cppinit.c: Include hashtab.h.
6163 (cpp_reader_init): Call _cpp_init_macro_hash and
6164 _cpp_init_include_hash. Don't allocate hashtab directly.
6165 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6166 pfile->all_include_files.
6167 (initialize_builtins): Use _cpp_make_hashnode and
6168 htab_find_slot to add hash entries.
6169 (cpp_finish): Just call _cpp_dump_macro_hash.
6170 * cpplib.c: Include hashtab.h.
6171 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6172 create hash entries.
6173 (do_pragma_poison, do_assert): Likewise.
6174 (do_include): Don't push the buffer here. Don't increment
6175 system_include_depth unless _cpp_read_include_file succeeds.
6176 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6178 (do_pragma_implementation): Use alloca to create copy.
6180 * Makefile.in: Update dependencies.
6182 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * cppinit.c (cl_directive_handler): More K&R fixing.
6186 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6188 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6190 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6192 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6194 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6195 Change from char[] to macros.
6197 2000-03-12 Neil Booth <NeilB@earthling.net>
6199 * cppinit.c (cpp_start_read): Update indirect function
6202 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6204 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6207 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6208 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6210 2000-03-11 Neil Booth <NeilB@earthling.net>
6212 * cppinit.c (struct pending option): Replace undef with a
6213 pointer to a directive handling routine.
6214 (struct cpp_pending): Replace separate assert_ and define_
6215 lists with one directive_ list.
6216 (new_pending_define): Rename new_pending_directive. Extra
6217 argument is the directive's handling routine.
6218 (handle_option): Update to use new_pending_directive.
6220 2000-03-11 Neil Booth <NeilB@earthling.net>
6222 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6223 remap_filename, _cpp_read_include_file, actual_directory,
6224 hack_vms_include_specification): Replace bcopy(), index() etc
6225 calls. Add casts to some allocations. Make some variables
6226 pointers to const [unsigned] char.
6227 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6228 collect_formal_parameters): Similarly.
6229 * cppinit.c (struct pending_option, append_include_chain,
6230 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6231 cpp_start_read, new_pending_define, handle_option): Similarly.
6232 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6233 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6234 do_pragma_implementation, detect_if_not_defined,
6235 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6236 do_assert, do_unassert): Similarly.
6237 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6238 function prototypes.
6239 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6241 2000-03-10 Richard Henderson <rth@cygnus.com>
6243 * builtins.c (expand_builtin_strlen): Revert last change.
6244 Use emit_insn_before if we're at the beginning of a sequence.
6246 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6248 * builtins.c (expand_builtin_strlen): Make sure that we have something
6249 at the beginning of the sequence.
6251 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6254 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6256 2000-03-10 Richard Henderson <rth@cygnus.com>
6258 * except.c (can_throw): Use INTVAL on a CONST_INT.
6259 (reachable_handlers): Likewise.
6260 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6262 2000-03-10 Andreas Jaeger <aj@suse.de>
6264 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6265 MD_STARTFILE_PREFIX since those are not needed on linux.
6266 (ASM_FILE_START): New, from mips/gnu.h.
6268 2000-03-09 Richard Henderson <rth@cygnus.com>
6269 Alex Samuel <samuel@codesourcery.com> and others
6271 * Makefile.in (ssa.o): New rule.
6273 (STAGESTUFF): Add *.ssa and *.ussa.
6274 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6275 * rtl.def (PHI): New RTL expression.
6276 * rtl.h (clear_log_links): New declaration.
6277 (convert_to_ssa): Likewise.
6278 (convert_from_ssa): Likewise.
6279 * flow.c (split_edge): If the entry node falls through to the
6280 split edge's source block, split the entry edge.
6281 (clear_log_links): New function.
6282 * toplev.c (ssa_dump): New variable.
6283 (flag_ssa): Likewise.
6284 (f_options): Add "ssa".
6285 (compile_file): Create SSA dump files.
6286 (rest_of_compilation): Go to and from SSA if enabled.
6287 (decide_d_option): Handle -de for SSA dump files.
6290 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6292 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6295 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6297 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6299 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6301 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6302 (MD_STARTFILE_PREFIX_1): New macro.
6304 2000-03-09 Robert Lipe <robertl@sco.com>
6306 * config/ia64/ia64.c: Include system.h.
6308 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6310 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6311 (init_eh_nesting_info): Likewise.
6313 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6314 (TREE_NOTHROW): Rename from TREE_RAISES.
6315 * toplev.c (rest_of_compilation): Set it.
6316 * print-tree.c (print_node): Adjust.
6317 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6318 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6319 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6320 REG_EH_REGION note as appropriate.
6321 (libfunc_nothrow): New fn.
6322 (emit_library_call, emit_library_call_value): Use it.
6323 (expand_call): Check TREE_NOTHROW.
6325 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6326 DECL_ASSEMBLER_NAME.
6328 2000-03-09 Andreas Jaeger <aj@suse.de>
6330 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6331 (TARGET_MEM_FUNCTIONS): Define.
6333 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6335 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6337 * except.c (can_throw): See through a SEQUENCE.
6338 (nothrow_function_p): New fn.
6339 * except.h: Declare it.
6340 * function.c (current_function_nothrow): New var.
6341 (prepare_function_start): Initialize it.
6342 * output.h: Declare it.
6343 * toplev.c (rest_of_compilation): Set it.
6344 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6346 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6348 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6349 match. (cpp_compare_defs): Count the nul separator when
6350 advancing over argument names.
6352 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6354 * recog.c (preprocess_constraints): Matching constraints affect
6355 same alternative/different operand, not same operand/different
6358 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6359 register and a constant specially.
6361 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6363 * libgcc2.h: New file.
6364 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6366 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6368 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6369 * configure: Regenerate.
6372 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6374 * Makefile.in (LIBCPP_DEPS): New macro.
6375 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6377 * cpperror.c: Include cpphash.h.
6378 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6380 (lex): Don't use CPP_WARN_UNDEF.
6381 (_cpp_parse_expr): Return an int, the truth value.
6382 * cppfiles.c: Include cpphash.h.
6383 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6384 * cppinit.c (include_defaults_array): Disentangle.
6385 (cpp_cleanup): Don't free the if stack here.
6386 (cpp_finish): Pop off all buffers, not just one.
6387 * cpplib.c (eval_if_expr): Return int.
6388 (do_xifdef): Rename do_ifdef.
6389 (handle_directive): Don't use CPP_PREPROCESSED.
6390 (cpp_get_token): Don't use CPP_C89.
6391 * fix-header.c: Don't use CPP_OPTIONS.
6393 * cpplib.h: Move U_CHAR, enum node_type, struct
6394 file_name_list, struct ihash, is_idchar, is_idstart,
6395 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6396 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6397 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6398 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6399 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6400 of _cpp_simplify_pathname, _cpp_find_include_file,
6401 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6402 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6404 Change all uses of U_CHAR to be unsigned char instead.
6405 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6407 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6409 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6410 (dwarf2out_begin_prologue): Set it.
6411 (output_call_frame_info): Don't emit EH unwind info for leaves.
6413 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6414 can occur outside of an EH region.
6415 * except.c: Correct comments about rethrow behavior.
6416 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6418 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6420 * flow.c (make_edges): Always call make_eh_edge for calls.
6422 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6424 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6425 (struct cpp_buffer): Remove fname and underflow fields.
6426 (struct cpp_reader): Remove get_token field.
6427 (struct include_hash): Rename to struct ihash. Add typedef to
6429 (struct if_stack): Remove fname field.
6430 (IF_STACK_FRAME): Rename to IF_STACK.
6432 * cpperror.c (print_containing_files): Trust that there are no
6433 macro buffers below the top file buffer.
6434 * cppfiles.c: Replace all references to 'struct include_hash'
6435 with 'IHASH'. Rename initialize_input_buffer to
6436 init_input_buffer. Don't set or reference cpp_buffer->fname,
6437 use buffer->ihash->name instead.
6438 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6439 not CPP_NULL_BUFFER.
6440 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6441 IF_STACK_FRAME, IHASH not struct include_hash.
6442 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6443 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6444 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6445 references to cpp_buffer->fname (delete entirely, or use
6446 ->ihash->name instead) and IF_STACK->fname.
6447 (cpp_push_buffer): Don't set new->underflow.
6448 (do_include): Use cpp_file_buffer.
6450 * cpphash.c (collect_formal_parameters): Remove duplicate
6451 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6452 used as a macro argument name. Don't append "..." to namebuf
6453 for varargs macros. After we're done scanning, go through
6454 namebuf and make it NUL separated, not comma separated.
6455 (_cpp_compare_defs): Remove register tag from variables.
6456 Expect defn->argnames to be NUL separated.
6457 (_cpp_dump_definition): Expect defn->argnames to be NUL
6458 separated and in forward order.
6459 * cpphash.h: Update documentation of argnames field.
6461 2000-03-08 Richard Henderson <rth@cygnus.com>
6463 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6464 to fail. Don't pre-expand the source operand.
6466 * i386.md (strlensi): Initialize eoschar and align before use.
6468 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6470 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6471 CONSTRUCTOR element.
6473 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6475 * mips.c (mips_expand_prologue): If the last
6476 named argument is the vararg marker "va_list", treat it as
6477 an unnamed argument.
6479 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6481 * dbxout.c (dbxout_parms): When correcting for promoted
6482 big-endian parameters, use the mode of the DECL_RTL rather
6483 than UNITS_PER_WORD.
6485 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6487 * c-common.h (make_fname_decl): Declare.
6488 * c-common.c (make_fname_decl): Define.
6489 (declare_hidden_char_array): Remove.
6490 (declare_function_name): Use make_fname_decl.
6491 * c-decl.c (c_make_fname_decl): New function.
6492 (init_decl_processing): Set make_fname_decl.
6494 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6496 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6498 2000-03-07 Philipp Thomas <pthomas@suse.de>
6500 * po/POTFILES.in: Remove cppalloc.c from file list.
6502 2000-03-07 Steve Chamberlain <sac@pobox.com>
6504 * pj.c (pj_expand_prologue): current_function->args_info is
6505 now current_function_args_info.
6507 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6508 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6509 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6511 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6513 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6514 output as hexadecimal rather than the default octal.
6516 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6518 * cpphash.c (special_symbol): Fix thinko in previous commit.
6520 2000-03-07 Neil Booth <NeilB@earthling.net>
6522 * cppexp.c (struct operation, left_shift, right_shift,
6523 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6524 "int"s to "unsigned int"s.
6525 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6527 * cpplib.h: Update for above.
6528 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6529 returned from allocations.
6531 * cppinit.c (opt_comp, parse_options): New functions.
6532 (handle_option): Use parse_option to parse a single command
6533 line option, that possibly takes an argument.
6534 (cpp_handle_options): Sort the array of command line options on
6535 first invocation (non-ASCII hosts only).
6536 (print_help): Update.
6538 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6540 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6541 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6543 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6545 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6547 * cpperror.c (cpp_print_containing_files,
6548 cpp_print_file_and_line, v_cpp_message): Rename to
6549 print_containing_files, print_file_and_line, and v_message.
6550 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6551 to _cpp_parse_expr, parse_escape, and lex.
6552 (parse_charconst): Remove broken multibyte support.
6553 * cppfiles.c (include_hash): Make static.
6554 (cpp_included): New function.
6555 (merge_include_chains, find_include_file, finclude,
6556 simplify_pathname): Rename to _cpp_merge_include_chains,
6557 _cpp_find_include_file, _cpp_read_include_file, and
6558 _cpp_simplify_pathname.
6559 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6560 cpp_install, create_definition, macroexpand, compare_defs,
6561 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6562 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6563 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6564 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6566 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6568 * cpphash.h: Update prototypes.
6569 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6571 2000-03-07 Andrew Haley <aph@cygnus.com>
6573 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6574 PTRDIFF_TYPE should be based solely on Pmode.
6577 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6579 * rtl.h (rtunion_def): Constify member `rtstr'.
6580 (emit_line_note_after, emit_line_note, emit_line_note_force,
6581 emit_note, decode_asm_operands): Constify.
6583 * cse.c (canon_hash): Likewise.
6585 * dbxout.c (dbxout_block): Likewise.
6587 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6588 v_warning_for_asm): Likewise.
6590 * dwarfout.c (function_start_label): Likewise.
6592 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6593 emit_line_note_force): Likewise.
6595 * final.c (last_filename, asm_insn_count, final_scan_insn,
6596 output_source_line): Likewise.
6598 * function.h (struct emit_status): Likewise.
6600 * gcse.c (hash_expr_1): Likewise.
6602 * genattr.c (gen_attr, main): Likewise.
6604 * genattrtab.c (struct function_unit, current_alternative_string,
6605 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6606 attr_numeral, check_attr_test, check_attr_value,
6607 convert_set_attr_alternative, convert_set_attr,
6608 compute_alternative_mask, simplify_by_exploding, gen_attr,
6609 gen_unit): Likewise.
6611 * genflags.c (gen_insn): Likewise.
6613 * gengenrtl.c (type_from_format): Likewise.
6615 * genopinit.c (gen_insn): Likewise.
6617 * genoutput.c (n_occurrences, process_template, process_template):
6620 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6623 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6626 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6627 ggc_set_mark, ggc_get_size): Likewise.
6629 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6631 * optabs.c (init_one_libfunc): Likewise.
6633 * output.h (assemble_start_function): Likewise.
6635 * recog.c (decode_asm_operands): Likewise.
6637 * toplev.c (rest_of_compilation): Likewise.
6639 * tree.h (emit_line_note_after, emit_line_note,
6640 emit_line_note_force): Likewise.
6642 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6643 asm_emit_uninitialised, assemble_start_function,
6644 assemble_variable, const_hash, compare_constant_1,
6645 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6647 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6649 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6651 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6653 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6655 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6656 arm_dllimport_name_p): Likewise.
6658 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6661 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6663 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6665 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6666 arm_mark_dllexport, arm_mark_dllimport,
6667 arm_pe_encode_section_info): Likewise.
6669 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6670 ASM_FINISH_DECLARE_OBJECT): Likewise.
6672 * arm/thumb.c (thumb_function_prologue): Likewise.
6674 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6676 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6678 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6680 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6682 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6684 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6686 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6687 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6689 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6691 * i386/i386.c (asm_output_function_prefix): Likewise.
6693 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6695 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6697 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6699 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6700 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6701 ASM_OUTPUT_SECTION_NAME): Likewise.
6703 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6705 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6707 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6709 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6711 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6713 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6715 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6717 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6719 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6721 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6723 * mips/mips.md (movdi, movsi): Likewise.
6725 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6727 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6729 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6731 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6732 ASM_OUTPUT_ASCII): Likewise.
6734 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6735 output_mi_thunk, output_toc): Likewise.
6737 * rs6000/rs6000.md (movsi): Likewise.
6739 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6741 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6743 * v850/v850.c (print_operand, print_operand_address,
6744 v850_encode_data_area): Likewise.
6746 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6748 * config/mips/mips.md (zero_extendsidi2): Always force operand
6749 one to memory for mips16.
6751 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6753 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6754 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6755 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6756 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6757 (min_precision): Result is unsigned.
6758 (add_double, neg_double, mul_double): Low word is unsigned.
6759 (lshift_double, rshift_double, lrotate_double): Likewise.
6760 (rrotate_double, div_and_round_double): Likewise.
6761 (tree_floor_log2, compare_tree_int): New functions.
6762 (preserve_rtl_expr_temps): New declaration.
6763 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6764 (decl_attributes): Use tree_log2 to find alignment.
6765 Check for TREE_INT_CST_HIGH for format args.
6766 (min_precision): Now unsigned.
6767 Use tree_floor_log2.
6768 (truthvalue_conversion): Delete long-disabled code.
6769 * c-decl.c (finish_struct): Clean up tests on field width.
6770 (finish_function): Use compare_tree_int.
6771 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6772 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6773 (default_conversion, digest_init): Use compare_tree_int.
6774 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6775 Fix type errors in forming masks.
6776 * calls.c (initialize_argument_information): Use compare_tree_int.
6777 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6778 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6779 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6780 (store_field): Use compare_tree_int.
6781 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6782 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6783 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6784 (do_store_flag): Use compare_tree_int.
6785 * fold-const.c (encode, decode): Low part is always unsigned.
6786 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6787 (lshift_double, rshift_double, lrotate_double): Likewise.
6788 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6789 (fold_convert): Use compare_tree_int.
6790 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6791 (invert_truthvalue, case INTEGER_CST): Likewise.
6792 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6793 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6794 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6795 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6797 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6798 (expand_end_case): Use compare_tree_int.
6799 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6800 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6801 (layout_decl): Likewise.
6802 (layout_record, layout_union): Make sizes unsigned.
6803 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6804 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6805 * tree.c (struct type_hash): hashcode is unsigned.
6806 (build_type_attribute_variant, type_hash_list): Likewise.
6807 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6808 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6809 (build_complex_type): Likewise.
6810 (real_value_from_int_cst): Remove unneeded casts.
6811 (integer_all_onesp): Add casts.
6812 (tree_floor_log2, compare_tree_int): New functions.
6813 (build_index_type): Use tree_int_cst_sgn.
6814 * varasm.c (assemble_variable): Use compare_tree_int.
6816 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6818 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6820 * varasm.c (make_decl_rtl): Don't add a number to members of
6822 (make_function_rtl): Likewise.
6824 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6826 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6827 patch from 2000-01-28.
6829 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6831 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6832 filled with an insn from the jump target.
6834 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6836 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6837 (c4x_external_ref): Likewise.
6838 * config/c4x/c4x.c (struct name_list): Likewise.
6840 1999-12-16 Ben Collins <bcollins@debian.org>
6842 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6843 argument to genmultilib.
6844 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6845 the contents into the multilib.h header.
6846 * gcc.c: Declare multilib_exclusions for the specs file.
6847 (set_multilib_dir): Use it.
6848 (print_multilib_info): Likewise.
6849 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6850 to pass to genmultilib.
6852 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6854 * builtins.c (built_in_class_names, built_in_names): Constify a
6857 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6859 (_mcleanup): Ensure value matches format specifier in sprintf.
6861 * cpphash.c (special_symbol): Don't needlessly cast away
6864 * cppinit.c (base_name): Delete unused prototype.
6866 * mkdeps.c (deps_init): Make definition K&R safe.
6868 * tree.h (built_in_class_names, built_in_names): Constify a
6871 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6873 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6874 floating point instructions for epilogue delay.
6876 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6877 to gas if it supports .register pseudo.
6879 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6880 LONG_DOUBLE_TYPE_SIZE if not defined.
6881 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6882 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6884 * gengenrtl.c: Likewise.
6885 * print-rtl.c: Likewise.
6887 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6888 MASK_LONG_DOUBLE_128.
6889 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6890 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6891 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6892 (SUBTARGET_SWITCHES): Define.
6893 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6894 with -mlong-double-128.
6895 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6896 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6897 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6898 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6899 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6900 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6901 with -mlong-double-128.
6902 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6903 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6904 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6905 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6906 TARGET_LONG_DOUBLE_128): Define.
6907 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6908 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6909 long double on TARGET_ARCH64.
6911 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6913 * function.c (free_temps_for_rtl_expr): Don't free slots
6914 that have been pushed into a higher level.
6917 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6919 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6921 * basic-block.h (ALLOCA_REG_SET): Remove.
6922 (INITIALIZE_REG_SET): New macro.
6923 * flow.c (update_life_info): Use it.
6924 (calculate_global_regs_live): Likewise.
6925 (propagate_block): Likewise.
6926 * global.c (build_insn_chain): Likewise.
6927 * haifa-sched.c (schedule_region): Likewise.
6929 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6931 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6932 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6933 (DWARF_ARANGES_PAD_SIZE): New define.
6934 (output_aranges): Use it to pad the address range header.
6935 (DWARF_ROUND): Fix for non power of 2 rounding.
6937 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6939 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6941 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6943 * tree.def (RTL_EXPR): Update documentation.
6944 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6945 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6946 * function.c (preserve_rtl_expr_temp): New function.
6947 (preserve_rtl_expr_temps): Likewise.
6948 (preserve_rtl_expr_result): Use it.
6951 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6953 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6955 * regmove.c (copy_src_to_dest) Do not create src->dest move
6956 for unchanging destination.
6958 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6960 * function.h (struct sequence_stack): Remove rtl_expr.
6961 (struct emit_staus): Likewise.
6962 (seq_rtl_expr): Remove.
6963 * tree.h (free_temps_for_rtl_expr): Don't declare.
6964 (start_sequence_for_rtl_expr): Likewise.
6965 * rtl.h (preserve_rtl_expr_result): Likewise.
6966 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6967 (start_sequence_for_rtl_expr): Remove.
6968 (push_topmost_sequence): Don't save sequence_rtl_expr.
6969 (pop_topmost_sequence): Remove comment about not restoring it.
6970 (end_sequence): Don't set seq_rtl_expr.
6971 (init_emit): Don't initialize it.
6972 (mark_sequence_stack): Don't mark it.
6973 (mark_emit_status): Likewise.
6974 * except.c (protect_with_terminate): Use
6975 start_sequence_for_rtl_expr, not start_sequence.
6976 * expr.c (expand_expr, case RTL_EXPR): Don't call
6977 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6978 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6979 (preserve_rtl_expr_result): Remove.
6980 (free_temps_for_rtl_expr): Likewise.
6981 (pop_temp_slots): Likewise.
6982 (mark_temp_slot): Don't mark the rtl_expr.
6983 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6984 start_sequence_for_rtl_expr.
6986 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6988 * mkdeps.c, mkdeps.h: New files.
6989 * po/POTFILES.in: Add them.
6990 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6991 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6992 (mkdeps.o): New target.
6994 * cppfiles.c: Delete deps_output.
6995 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6996 OBJECT_SUFFIX, and base_name.
6997 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6999 (initialize_dependency_output): Use deps_init,
7000 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7001 all the unnecessary string bashing.
7002 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7004 * cpplib.c (do_include): Use deps_add_dep.
7005 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7006 deps_allocated_size, deps_size, deps_column members with
7007 single pointer to a struct deps. Delete prototype of
7010 * cppinit.c: Fix thinko in previous patch.
7012 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7014 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7015 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7016 (mode_for_size_tree): New function.
7017 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7018 * tree.h (mode_for_size_tree): New declaration.
7020 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7022 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7024 * stmt.c (is_body_block): Move...
7025 * dwarfout.c, dwarf2out.c: ...from here.
7026 * tree.h: Declare it.
7027 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7028 * final.c (final_start_function): Do call remove_unnecessary_notes
7031 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7033 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7035 * cpplib.h (_dollar_ok): New macro.
7036 (is_idchar, is_idstart): Use it.
7037 (IStable): Rename to _cpp_IStable. Declare it const if
7038 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7039 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7040 is_space): Update for renamed IStable.
7042 * cppinit.c: Delete all references to FAKE_CONST and CAT
7043 macros. Define init_IStable as empty macro if gcc >=2.7 or
7044 C99. Change TABLE() to ISTABLE and hardcode name of table.
7045 (cpp_start_read): Don't change the IStable based on
7048 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7049 changed. Handle '$' for char1 correctly.
7050 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7052 * cppexp.c (tokentab2): Make const.
7053 (cpp_lex): Make toktab const.
7054 * cppinit.c (include_defaults_array): Make const.
7055 (initialize_standard_includes): Make default_include const.
7057 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7059 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7060 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7061 (gen_decl_die): Likewise.
7062 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7063 (output_decl): Likewise.
7065 * varasm.c (make_function_rtl): If we change the name used in the
7066 rtl, update DECL_ASSEMBLER_NAME accordingly.
7067 (make_decl_rtl): Likewise.
7069 * toplev.c (rest_of_compilation): Tweak formatting.
7071 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7072 remove_unnecessary_notes.
7073 (debug_ignore_block): New fn.
7074 * toplev.h: Declare it.
7075 * emit-rtl.c (remove_unncessary_notes): Call it.
7076 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7077 * dwarf2out.h: Declare it.
7078 * final.c (final_start_function): Don't call remove_unnecessary_notes
7079 if we did insn scheduling.
7081 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7083 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7084 * cpplib.h: Delete SET_CPP_PEDANTIC.
7086 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7088 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7089 result is a RECORD_TYPE.
7091 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7093 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7095 2000-03-03 Richard Henderson <rth@cygnus.com>
7097 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7098 addition over compliments over shifts.
7100 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7102 * reload1.c (reload_combine_note_use): Handle return register USEs.
7103 REG case: Handle multi-hard-register hard regs.
7105 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7107 * md.texi: Document use of '*' in insn pattern name.
7109 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7111 * calls.c (special_function_p): operator new may not be malloc-like.
7113 * gcse.c (dump_hash_table): Really fix error in last change.
7115 2000-03-02 Denis Chertykov <denisc@overta.ru>
7117 * avr.c (print_operand): Use print_operand_address instead of
7119 * avr/libgcc.S: Cleanup code.
7121 2000-03-02 Richard Henderson <rth@cygnus.com>
7123 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7125 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7127 * tree.h (TYPE_ALIGN_UNIT): New macro.
7129 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7131 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7133 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7135 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7137 (SET_CPP_PEDANTIC): New macro.
7138 * cpplib.c (do_include): Don't bother checking system_header_p.
7139 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7140 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7142 * function.h (struct expr_status): Add x_arg_space_so_far.
7143 (arg_space_so_far): New macro.
7144 * expr.c (init_expr): Initialize it.
7145 * calls.c (emit_call_1): Reset it.
7146 (compute_argument_block_size, expand_call): Use it.
7147 (expand_call, store_one_arg): Increment it.
7149 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7151 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7154 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7156 * cppfiles.c (cpp_read_file): New function.
7158 * cpphash.c (collect_expansion): Make sure to reset last_token
7159 to NORM when we hit a string. Handle trailing whitespace
7160 properly when the expansion is empty.
7161 (create_definition): Disable line commands while parsing the
7163 (dump_definition): If pfile->lineno == 0, output a line
7164 command ahead of the dump, and add a trailing newline.
7166 * cppinit.c (append_include_chain): Add fifth argument, which
7167 indicates whether or not system headers are C++ aware.
7168 (initialize_standard_includes): New function,
7169 broken out of read_and_prescan. Pass 'cxx_aware' value from
7170 the include_defaults_array on to append_include_chain.
7171 (dump_special_to_buffer): Const-ify char array.
7172 (builtin_array): Don't dump __BASE_FILE__.
7173 (cpp_start_read): Use cpp_read_file. Reorder code for
7174 clarity. Don't output line commands here for -D/-A/-U
7175 switches. Don't call deps_output for files included with
7176 -include or -imacros.
7178 * cpplib.c (do_define): Don't pay any attention to the second
7180 (cpp_expand_to_buffer): Disable line commands while scanning.
7181 (output_line_command): Work in the file buffer.
7182 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7183 Fix formatting of comments. Prototype cpp_read_file.
7185 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7187 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7188 reference the language-equivalent of sizetype.
7189 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7190 * fold-const.c (size_binop, size_diffop): Put back checks.
7191 * gcse.c (dump_hash_table): Fix minor error in last change.
7192 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7193 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7196 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7198 * calls.c (expand_call) Do not attempt to combine stack adjustments
7199 with inhibit_defer_pop set.
7201 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7203 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7204 the DECL_SIZE for a FIELD_DECL.
7206 2000-03-01 Bruce Korb <bkorb@gnu.org>
7208 * fixinc/inclhack.tpl: remove unused symlinks
7209 * fixinc/README: GCC Maintainer info
7210 * fixinc/inclhack.sh: regen
7211 * fixinc/fixincl.sh: regen
7213 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7215 * cpphash.c (collect_expansion): Trim trailing white space
7216 from macro definitions, but don't go past the last insertion
7219 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7221 * i386.md (mulqi3): New pattern.
7223 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7225 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7227 (struct cpp_reader): Add parsing_if_directive and
7228 parsing_define_directive flags.
7229 (struct cpp_options): Remove output_conditionals flag.
7230 (check_macro_name): Delete prototype.
7232 * cpphash.h (struct macrodef): Delete.
7233 (struct reflist): Separate from struct definition.
7234 (struct definition): Remove unused fields. Add column number.
7235 (create_definition): Returns a DEFINITION *. Takes a
7236 cpp_reader * and an int.
7238 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7239 (PEEKC): Copy defn from cpplib.c.
7240 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7242 (struct arglist): Simplify.
7243 (collect_expansion): Rewrite. Get tokens by calling
7244 cpp_get_token. Add more error checking.
7245 (collect_formal_parameters): New function, broken out of
7246 create_definition and reworked to use get_directive_token.
7247 (create_definition): All real work is now in collect_expansion
7248 and collect_formal_parameters. do_define handles finding the
7249 macro name. Return a DEFINITION, not a MACRODEF.
7250 (macroexpand): Replace bcopy with memcpy throughout. Replace
7251 character-at-a-time copy loop with memcpy and pointer increments.
7252 (compare-defs): d1->argnames / d2->argnames might be null.
7254 * cpplib.c (copy_rest_of_line): Delete function.
7255 (skip_rest_of_line): Do all the work ourselves.
7256 (skip_string): New function.
7257 (parse_string): Use skip_string.
7258 (get_macro_name): New function.
7259 (check_macro_name): Delete.
7260 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7261 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7262 (handle_directive): ICE if we're called on a macro buffer.
7263 (do_define): Determine macro name and type (funlike/objlike)
7264 here. Expunge all uses of MACRODEF.
7265 (cpp_push_buffer): Set line_base to NULL.
7266 (do_undef, read_line_number): Don't worry about getting a POP token.
7267 (eval_if_expression): Set/reset parsing_if_directive around
7268 cpp_parse_expr. Don't clear only_seen_white.
7269 (skip_if_group): Remove output_conditionals logic. Use
7271 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7272 tokens under appropriate conditions.
7273 (cpp_unassert): Call do_unassert not do_assert. Oops.
7275 * cppexp.c (parse_defined): New function, break out of
7277 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7278 ourselves, with cpp_defined.
7279 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7281 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7282 * gcc.dg/strpaste-2.c: New.
7284 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7286 * fold-const.c (size_binop): Don't asert inputs are the same and
7287 have TYPE_IS_SIZETYPE set.
7288 (size_diffop): Likewise.
7290 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7292 * dwarfout.c (output_block): Output abstract blocks even if they
7293 don't have TREE_ASM_WRITTEN set.
7295 * calls.c (emit_library_call): Check for null REG.
7297 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7299 * c-decl.c (current_function_decl): Move to toplev.c.
7300 (init_decl_processing): Don't add current_function_decl as a ggc
7302 * dbxout.c (dbxout_symbol): Change return type to int.
7303 (dbxout_symbol_location, dbxout_syms): Likewise.
7304 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7305 any locals. Use current_function_func_begin_label if set.
7306 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7307 * dwarf2out.c (dwarf2out_begin_prologue): Set
7308 current_function_func_begin_label.
7309 * final.c (final_start_function): Reset it.
7310 * toplev.c (current_function_decl): Define it here.
7311 (current_function_func_begin_label): New variable.
7312 (main): Add both as ggc roots.
7313 * tree.h (current_function_func_begin_label): Declare.
7315 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7317 * gcse.c: Cleanups throughout: mostly white-space, but also
7318 some minor rearrangement of code.
7320 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7322 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7323 returns a PARALLEL. Use emit_group_load and use_group_regs
7325 (emit_library_call_value): Similarly.
7327 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7328 * pa/quadlib.asm: Remove.
7329 * pa/quadlib.c: New file.
7331 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7332 * configure: Rebuilt.
7334 2000-02-29 Philip Blundell <pb@futuretv.com>
7336 * config/arm/conix-elf.h: New file.
7337 * configure.in (arm*-*-conix*): New configuration.
7338 * configure: Regenerate.
7340 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7342 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7343 don't have TREE_ASM_WRITTEN set.
7345 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7347 * Eliminate DECL_FIELD_SIZE.
7348 * builtins.c (built_in_class_names, built_in_names): New variables.
7349 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7350 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7351 DECL_SIZE, not DECL_FIELD_SIZE.
7352 * print-tree.c (print_node): Remove code that prints extra blank
7353 lines in some cases.
7354 Properly handle inline and builtin function cases.
7355 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7356 * tree.h (built_in_class_named, built_in_names): New declarations.
7357 (union tree_decl): Rename internal unions to u1 and u2 and change
7358 some of their components.
7359 Add new field built_in_class.
7360 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7361 Reflect above changes.
7362 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7363 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7364 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7365 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7367 2000-02-28 Dmitri Makarov <dim@windriver.com>
7369 * extend.texi: Document ARM's support for long/short calls.
7371 * invoke.texi: Document ARM's -mlong-calls command line switch.
7373 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7374 (arm_encode_call_attribute): Add prototype.
7375 (arm_set_default_type_attribute): Add prototype.
7376 (arm_strip_name_encoding): Add prototype.
7378 * config/arm/arm.c (arm_init_cumulative_args): replace
7379 initialisation og 'long_calls' field with initialisation of
7380 'call_cookie' field.
7381 (enum arm_pragma_enum): New enum.
7382 (arm_pragma_long_calls): New static variable.
7383 (arm_process_pragma): Also process "#pragma long_calls_off".
7384 (arm_valid_type_attribute_p): Accept short_call attribute.
7385 (arm_comp_type_attributes): Check long/short call attributes.
7386 (arm_encode_call_attribute): New function: Encode long_call
7387 or short_call attribute in function name.
7388 (arm_set_default_type_attributes): New function: Assign
7389 default attributes to newly defined type.
7390 (current_file_function_operand): New function: Return true if
7391 the symbol is a function which has already been compiled.
7392 (arm_is_longcall_p): New function: Return true if the
7393 indicated function should be called via a long call.
7394 (arm_get_strip_length): New function. Returns number of
7395 prefix characters to be stripped from a function's name.
7396 (arm_strip_name_encoding): New function. Strip prefix characters
7397 from a function's name.
7399 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7401 (SHORT_CALL_FAG_CHAR): Define.
7402 (LONG_CALL_FAG_CHAR): Define.
7403 (ENCODED_SHORT_CALL_ATTR_P): Define.
7404 (ENCODED_LONG_CALL_ATTR_P): Define.
7405 (ARM_NAME_ENCODING_LENGTHS): Define.
7406 (STRIP_NAME_ENCODING): Define.
7407 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7408 (ARM_ENCODE_CALL_TYPE): Define.
7409 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7410 (ARM_DECLARE_FUNCTION_SIZE): Define.
7411 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7413 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7414 if a long call is needed.
7415 (call_value): Ditto.
7416 (call_symbol): Ditto.
7418 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7419 ARM_DECLARE_FUNCTION_SIZE.
7421 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7422 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7423 (ARM_STRIP_NAME_ENCODING): Undefine.
7424 (STRIP_NAME_ENCODING): Undefine.
7425 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7426 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7427 (ASM_OUTPUT_COMMON): Ditto.
7428 (ASM_DECLARE_OBJECT_NAME): Ditto.
7430 * config/arm/pe.c (arm_dllexport_name_p): Check for
7432 (arm_dllimport_name_p): Ditto.
7433 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7434 (arm_mark_dllimport): Ditto.
7436 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7438 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7440 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7442 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7444 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7446 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7447 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7448 NO_BUILTIN_WCHAR_TYPE is not defined.
7449 (CPP_WCHAR_TYPE): Delete.
7450 * cccp.c (main): Don't change wchar_type if cplusplus.
7451 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7453 2000-02-28 Nick Clifton <nickc@cygnus.com>
7455 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7457 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7459 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7460 (ASM_WEAKEN_LABEL): Define.
7462 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7464 * expr.c (store_constructor): Do not emit USE.
7465 * rtl.h (stupid_life_analysis): Remove.
7467 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7469 * function.c (number_blocks): Reset next_block_index based on
7470 what debugging format is used, not what is defined.
7472 * lcm.c: Minor reformatting throughout.
7473 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7475 * toplev.c (rest_of_compilation): Account for time in
7476 optimize_mode_switching.
7478 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7479 if only marking labels.
7481 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7483 * calls.c (expand_call): Attempt to combine stack adjustments with
7484 pending stack adjustments.
7486 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7488 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7489 to the end of the function.
7491 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7493 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7495 * final.c (next_block_index): Remove.
7496 (max_block_depth): Likewise.
7497 (pending_blocks): Likewise.
7498 (init_final): Don't initialize them.
7499 (final_start_function): Don't set next_block_index. Set up
7501 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7502 * function.h (number_blocks): New function.
7503 * function.c (get_block_vector): New function.
7504 (identify_blocks): Use it.
7505 (reorder_blocks): Set NOTE_BLOCK.
7506 (number_blocks): New function.
7507 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7508 * tree.h (BLOCK_NUMBER): New macro.
7509 (tree_block): Add block_num field.
7510 * dbxout.c (next_block_number): Remove.
7511 (dbxout_init): Don't set it.
7512 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7513 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7515 * toplev.c (rest_of_compilation): Always call
7516 find_loop_tree_blocks. Fix indentation.
7517 * dwarf2out.c (next_block_number): Remove.
7518 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7519 to determine block numbers.
7520 (gen_inlined_subroutine_die): Likewise.
7521 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7522 (decls_for_scope): Don't increment next_block_number.
7523 * dwarfout.c (next_block_number): Remove.
7524 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7525 to determine block numbers.
7526 (output_inlined_subroutine_die): Likewise.
7527 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7528 (output_decls_for_scope): Don't increment next_block_number.
7529 * sdbout.c (next_block_number): Remove.
7530 (sdbout_block): Use BLOCK_NUMBER.
7531 (sdbout_begin_block): Simplify.
7532 * xcoffout.c (next_block_number): Remove.
7533 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7534 (xcoffout_begin_block): Don't set next_block_number.
7535 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7538 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7540 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7541 (expand_builtin_strcpy): Pass correct type to size_binop.
7542 (expand_builtin_strcmp): Likewise.
7543 Clean up conditional structure.
7544 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7545 (complete_array_type): Don't use size_binop for MAXINDEX.
7546 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7547 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7548 (c_alignof): Use size_one_node.
7549 (build_unary_op): Pass arg of proper type to size_binop.
7550 (really_start_incremental_init, push_init_level): Use sizetype for
7551 constructor{,_bit,_unfilled}_index.
7552 (pop_init_label, output_init_element): Likewise.
7553 (output_pending_init_elements, process_init_element): Likewise.
7554 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7555 * expr.c (store_expr): Use size_int.
7556 (store_constructor): Use proper types for size_binop args.
7557 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7558 (expand_expr_unaligned): Likewise.
7559 (string_contant): Return object of sizetype.
7560 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7561 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7562 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7563 * fold-const.c (int_const_binop): Refine when size_int is called.
7564 (fold_convert): Likewise.
7565 (size_int_wide): Rework to take KIND as arg, only take low order
7566 bits, handle new sizetype_tab datatype, and chain entries in
7568 (size_int_type_wide): New function.
7569 (size_binop): Validate types of arguments.
7570 (ssize_binop): Deleted.
7571 (size_diffop): New function.
7572 (extract_muldiv): Only fold division into multiplication for sizetypes.
7573 * function.c (assign_parms): Use size_diffop and make sure
7574 VAR field is of ssizetype; also pass proper type to size_binop.
7575 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7576 (round_down): Deleted from here.
7577 * store-layout.c (sizetype_tab): Now an array.
7578 (sizetype_set, early_root_list): New variables.
7579 (variable_size): Use size_one_node.
7580 (round_up): Pass proper type to size_binop.
7581 (round_down): Moved to here and corrected as above.
7582 (layout_record): Pass proper arg types to size_binop.
7583 (layout_type): Likewise.
7584 If sizetype_set is zero, record the type just laid out.
7585 (make_unsigned_type): Don't call set_sizetype;
7586 (make_signed_type): Likewise; also, call fixup_signed_type.
7587 (initialize_sizetypes): New function.
7588 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7589 set name of bitsizetype to "bit_size_type".
7590 Fix up type of sizes of all types made before call.
7591 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7592 * tree.c (fix_sizetype): Deleted.
7593 (build_common_tree_nodes): Call initialize_sizetypes.
7594 (build_common_tree_nodes_2): Don't call fix_sizetype.
7595 * tree.h (TYPE_IS_SIZETYPE): New macro.
7596 (initialize_sizetype): New declaration.
7597 (enum size_type_kind): New type.
7598 (struct sizetype_tab): Deleted.
7599 (sizetype_tab): Now array; adjust sizetype macros.
7600 (size_diffop, size_int_type_wide): New functions.
7601 (size_int_wide): Change number of args and type; access macros changed.
7602 (ssize_int, sbitsize_int): New macros.
7603 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7604 (ROUND_TYPE_SIZE_UNIT): New macro.
7606 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7608 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7610 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7612 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7613 Mark as possibly unused.
7615 * cse.c (cse_insn): Delete dead code involving tablejump.
7616 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7618 * Makefile.in (libcpp.a): Start by deleting it.
7620 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7622 * cpplib.h (enum file_change_code): Added rename_file.
7623 * cpplib.c (do_line): If a filename is given, set file_change to
7625 (output_line_command): If file_change is rename_file, always
7626 output a # directive with the file name.
7628 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7630 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7632 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7633 when copying a PARM_DECL or RESULT_DECL.
7635 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7637 * fix-header.c (recognized_function): Also fix prototypes for
7638 functions taking "void".
7640 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7642 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7643 looking at reg_reloaded_contents.
7645 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7647 * Makefile.in (STMP_FIXINC): New toggle.
7648 (LIBGCC2_DEPS): Delete all references.
7649 (stmp-headers): Delete target. All references either deleted
7650 or changed to stmp-int-headers.
7651 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7652 (LIBCPP_OBJS): Take out cppalloc.o.
7653 (cppalloc.o): Delete target.
7654 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7655 (gen-protos, fix-header): Link with libiberty.a.
7656 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7659 * configure.in: Remove refs to strerror.
7660 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7661 * system.h: Take out strerror stanza.
7663 * cpperror.c (my_strerror): Delete function.
7664 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7665 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7666 * cppalloc.c: Delete file.
7667 * gen-protos.c: Don't provide xrealloc.
7669 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7670 xstrerror throughout.
7672 2000-02-26 Bruce Korb <bkorb@gnu.org>
7674 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7675 match for DOS headers, too.
7676 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7678 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7680 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7681 is right for most ELF targets.
7682 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7683 Let the default file use %U properly.
7684 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7687 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7690 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7692 * toplev.c (documented_lang_options): Correct spelling error.
7693 (decode_d_option, decode_f_option, main): Likewise.
7695 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7697 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7698 to tell assembler it is permitted to expand large constants.
7700 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7702 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7703 (aux_info_suffix): Use.
7704 (SAVE_SUFFIX): New macro.
7706 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7707 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7708 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7710 * invoke.texi (Running Protoize): Update documentation.
7712 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7714 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7716 2000-02-25 John Wehle (john@feith.com)
7718 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7720 2000-02-25 Anthony Green <green@cygnus.com>
7722 * toplev.c (rest_of_compilation): Rebuild jump labels if
7723 combine_instructions has created a new direct jump.
7724 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7726 (combine_instructions): Call try_combine with new argument.
7727 Return non-null value when new direct jump instruction is created.
7728 * rtl.h: combine_instructions returns an int.
7730 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7732 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7733 jump when changing a computed jump into a jump to a known
7736 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7738 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7739 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7741 * i386.md (define_expand "clrstrsi"): Fix typo.
7743 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7745 * rtl.texi: Fix typo.
7747 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7749 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7750 UNITS_PER_WORD. Change caller initial_elimination_offset.
7751 (rounded_frame_size): Take into account that argument pushed has
7752 changed. Fix TARGET_ALIGN_DOUBLE problem.
7754 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7756 * haifa-sched.c (schedule_block): Explain the real reason
7757 we delete REG_SAVE_NOTEs on the first insn of a block.
7758 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7760 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7762 * input.h (push_srcloc): New function.
7763 (pop_srcloc): Likewise.
7764 * toplev.c (push_srcloc): Define it.
7765 (pop_srcloc): Likewise.
7767 2000-02-24 Richard Henderson <rth@cygnus.com>
7769 * flow.c (life_analysis): When collecting reg info, clear
7772 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7774 Fix bug exposed by reload.c no longer rounding the frame
7775 size to BIGGEST_ALIGNMENT:
7776 * sh.c (rounded_frame_size): New function.
7777 (sh_expand_prologue, sh_expand_epilogue): Use it.
7778 (initial_elimination_offset): Likewise.
7780 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7782 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7783 * sh-protos.h (sh_need_epilogue): Declare.
7784 * sh.c (sh_need_epilogue_known): New static variable.
7785 (sh_need_epilogue): New function.
7786 (function_epilogue): Clear need_epilogue_known.
7787 * sh.md (return): Split into expander / insn pattern.
7788 Make the expander conditional on ! sh_need_epilogue ().
7790 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7792 * machmode.h (get_mode_alignment): Declare.
7793 (GET_MODE_ALIGNMENT): Call it.
7794 * stor-layout.c (get_mode_alignment): New function. Make
7795 sure alignment is always power of 2.
7797 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7799 * i386.h: Remove useless definition of "I386" and misleading
7802 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7804 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7805 under which TREE_PERMANENT will be set.
7806 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7807 build1): Use TREE_SET_PERMANENT.
7808 * print-tree.c (print_node): Don't report value of
7809 TREE_PERMANENT if ggc_p is true.
7811 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7812 decide whether to give a type a new alias set.
7813 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7814 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7815 of value of 'obstack'.
7818 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7820 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7822 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7824 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7825 * cpplib.c (cpp_get_token): Produce them.
7826 * cppexp.c (cpp_lex): Handle them.
7828 2000-02-23 Nick Clifton <nickc@cygnus.com>
7830 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7831 comment tests on type attributes.
7833 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7835 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7836 conform to documentation.
7837 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7838 to check for special cases.
7839 * sh-protos.h (sh_loop_align): Declare.
7840 * sh.c (sh_loop_align): Define.
7842 2000-02-22 Andrew Haley <aph@cygnus.com>
7844 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7845 (SIZE_TYPE): Is 32 bits when using -mgp32.
7846 (PTRDIFF_TYPE): Ditto.
7848 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7850 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7852 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7854 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7855 BIGGEST_FIELD_ALIGNMENT a constant.
7857 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7859 * dwarf2out.c (output_line_info): Put the marker for the end of
7860 the line number info at the actual end.
7861 (gen_struct_or_union_type_die): Use decl_function_context
7862 to check for local classes.
7863 * dwarfout.c (output_type): Likewise.
7865 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7867 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7868 for arguments with a mode, but no type.
7869 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7870 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7871 * pa/long_double.h: New file.
7872 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7873 both have 128bit wide long doubles.
7874 * configure: Rebuilt.
7876 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7878 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7880 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7881 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7882 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7884 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7886 * integrate.c (compare_blocks, find_block): Likewise.
7888 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7890 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7892 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7893 expand_asm_operands): Likewise.
7895 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7897 * predict.c (estimate_probability): Added the pointer heuristic to
7898 the collection of static branch predictors.
7900 2000-02-21 Catherine Moore <clm@cygnus.com>
7902 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7903 * invoke.texi (-mfix7000): Document.
7905 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7907 * diagnostic.c (init_output_buffer): Make it possible to output at
7908 least 32 characters if we're given a too long prefix.
7910 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7912 * varasm.c (initializer_constant_valid_p): Call
7913 lang_expand_constant to simplify the constant.
7915 2000-02-20 Bruce Korb <bkorb@gnu.org>
7917 * fixinc/inclhack.def(stdio_va_list):
7918 typedef needs to be disabled.
7919 * fixinc/inclhack.sh: regen
7920 * fixinc/fixincl.x: regen
7922 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7924 * print-rtl.c (print_rtx): Don't print addresses when
7925 flag_dump_unnumbered.
7927 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7929 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7931 (sparc_va_arg, sparc_flat_output_function_prologue,
7932 sparc_flat_output_function_epilogue): Cast value to unsigned in
7934 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7936 * sparc.md: Add default case in switch.
7938 2000-02-19 Richard Henderson <rth@cygnus.com>
7940 * c-typeck.c (add_pending_init): Don't abort for multiple
7941 fields at the same offset.
7942 (pending_init_member): Test the correct member.
7944 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7946 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7948 (start_catch_handler) : Same.
7950 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7952 * Makefile.in: Have flow.o depend on $(EXPR_H)
7954 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7956 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7957 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7958 (finish_decl): Remove -Wlarger-than code from here.
7959 * flags.h (id_clash_len): Now int.
7960 (larger_than_size): Now HOST_WIDE_INT.
7961 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7962 Clean up checking to see if in table.
7963 (make_bit_field_ref): Remove extra parm to bitsize_int.
7964 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7965 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7966 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7967 and for computing size of decl.
7968 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7969 Move -Wlarger-than code to here.
7970 (layout_record): Remove extra arg to bitsize_int.
7971 Set TYPE_BINFO_SIZE_UNIT.
7972 (layout_union): Remove extra arg to bitsize_int.
7973 Use proper type for size of QUAL_UNION.
7974 (layout_type): Remove extra arg to bitsize_int.
7975 * toplev.c (id_clash_len): Now int.
7976 (larger_than_size): Now HOST_WIDE_INT.
7977 (decode_W_option): Clean up id-clash and larger-than- cases.
7978 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7979 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7980 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7981 (struct tree_decl): New field size_unit.
7982 (size_int_wide): No HIGH operand; NUMBER is now signed.
7983 (size_int_2): Deleted.
7984 (size_int, bitsize_int): Don't use it and rework args.
7985 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7987 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7989 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7991 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7993 * invoke.texi (Warning Options): Add an explanation of why
7994 you might want the -Wfloat-equal flag.
7996 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7998 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7999 * cppinit.c (new_pending_define): Add cast to avoid warning.
8000 * expmed.c (extract_bit_field): Likewise.
8001 * flow.c (enum reorder_skip_type): New type.
8002 (skip_insns_between_blcok): New it.
8003 Rework to avoid warning about possibly undefined variable.
8004 * function.c (assign_parms): Make thisparm_boundary unsigned.
8005 * genrecog.c (write_switch): Cast XWINT result to int.
8006 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8007 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8008 one for MIPS and one for Alpha.
8009 (get_tag, copy_object): Add casts to avoid warnings.
8010 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8011 * reload.c (find_reloads): Make TYPE enum reload_type.
8012 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8013 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8014 * varasm.c (compare_constant_1): Add cast to avoid warning.
8015 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8017 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8018 Cast switch operand of size to int.
8019 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8020 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8023 2000-02-18 Nick Clifton <nickc@cygnus.com>
8025 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8026 anything for an alignment of zero.
8028 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8029 anything for an alignment of zero.
8031 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8033 * gcc.texi (Bug Reporting): Refer to bugs.html.
8034 (Bug Lists): Likewise.
8035 * system.h (GCCBUGURL): New preprocessor define.
8036 * rtl.c (fancy_abort): Use it.
8037 * gcc.c (main): Likewise.
8039 2000-02-18 Richard Henderson <rth@cygnus.com>
8041 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8042 (life_analysis_1): Subsume into ...
8043 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8044 Use update_life_info for the relaxation.
8045 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8046 entry and regs_live_at_setjmp.
8047 (set_noop_p): Simplify.
8048 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8049 (record_volatile_insns): Split into ...
8050 (delete_noop_moves): ... here,
8051 (notice_stack_pointer_modification): ... here,
8052 (insn_dead_p): ... and here.
8053 (propagate_block): Don't query INSN_VOLATILE.
8054 (mark_used_regs): Mind !PROP_REG_INFO.
8055 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8056 not in life_analysis.
8058 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8060 * loop.c (canonicalize_condition): New function,
8061 broken out of get_condition.
8062 (get_condition): Use it.
8063 * expr.h (canonicalize_condition): Prototype it.
8065 * tree.h (tree_int_cst_msb): Declare.
8066 * tree.c (tree_int_cst_msb): New function.
8068 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8070 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8073 * invoke.texi (-fmessage-length=n): Document.
8075 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8077 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8079 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8081 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8084 2000-02-17 Nick Clifton <nickc@cygnus.com>
8086 * config/arm/thumb.c: Replace includes of system headers with
8087 #include "system.h".
8089 2000-02-16 Richard Henderson <rth@cygnus.com>
8091 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8092 Add crtbeginS.o and crtendS.o.
8093 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8094 (ENDFILE_SPEC): Use crtendS.o.
8095 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8097 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8098 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8100 (__dso_handle): New variable.
8101 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8102 bias to __CTOR_END__.
8104 2000-02-16 Richard Henderson <rth@cygnus.com>
8106 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8108 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8110 * longlong.h (__clz_tab): Declare as static to match definition.
8112 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8113 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8114 (XREF_FILE_NAME): Define.
8116 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8117 (EH_FRAME_SECTION_ASM_OP): Define.
8118 (IDENT_ASM_OP): Define.
8119 (TEXT_SECTION_ASM_OP): Define.
8121 (CTORS_SECTION_ASM_OP): Define.
8122 (CTOR_SECTION_FUNCTION): Use it.
8123 (DTORS_SECTION_ASM_OP): Define.
8124 (DTOR_SECTION_FUNCTION): Use it.
8126 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8128 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8131 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8132 debug_bb_n): New functions.
8133 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8134 * basic-block.h: Prototype new functions.
8136 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8138 * configure.in: Add support for avr target.
8139 * configure: Rebuilt.
8141 * invoke.texi: Add AVR invocation docs.
8142 * install.texi: Add information about AVR.
8143 * md.texi: Add AVR constraint letters description.
8144 * extend.texi: Add description for AVR specific attributes.
8146 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8148 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8150 2000-02-16 Nick Clifton <nickc@cygnus.com>
8152 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8153 (make_insn_raw): Move RTL check here.
8155 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8157 * version.c: Include gansidecl.h and version.h.
8159 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8161 * configure.in (gcc_version): When setting, narrow search to
8162 lines containing `version_string'.
8164 * Makefile.in (mainversion): Likewise.
8165 (GCC_H): New variable.
8166 (gcc.h): Delete target.
8167 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8168 (version.o): Depend on version.h.
8169 (dbxout.o): Don't depend on gcc.h.
8171 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8172 Michael Meissner <meissner@cygnus.com>
8174 * md.texi (Simple Constraints): Add item about whitespace.
8175 * genoutput.c (strip_whitespace): New.
8176 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8177 strip_whitespace for constraints.
8178 Test pointer using NULL, not 0.
8180 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8182 * cpplib.c (do_line): Pedwarn for #line > 32767.
8184 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8186 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8188 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8189 to default cpp spec.
8190 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8191 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8194 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8197 2000-02-15 Denis Chertykov <denisc@overta.ru>
8199 * configure.in: Add support for avr target.
8201 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8203 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8204 (sh_addr_diff_vec_mode): Don't declare.
8205 * sh.c (sh_addr_diff_vec_mode): Delete.
8207 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8209 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8211 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8213 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8214 (smulsi3_highpart_i): Name.
8215 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8216 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8217 (smulsi3_highpart, umulsi3_highpart): Likewise.
8219 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8220 correctly independent of endianness.
8221 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8222 confuse the optimizers.
8223 (mulsidi3+1, umulsidi3+1): New define_split.
8225 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8227 * config/sh/sh.md: Guard insn splits against illegal registers.
8228 * config/sh/sh.h: Correct comment about macros.
8230 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8231 Andrew MacLeod <amacleod@cygnus.com>
8233 * Makefile.in (lcm.o): Depend on insn-attr.h.
8234 * basic-block.h (optimize_mode_switching): Declare.
8235 * lcm.c (tm_p.h, insn-attr.h): #include.
8236 (seginfo, bb_info): New structs.
8237 (antic, transp, comp, delete, insert) : New file-scope static variables.
8238 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8239 (reg_becomes_live, optimize_mode_switching): Likewise.
8240 * tm.texi: Add description of mode switching macros.
8241 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8243 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8244 (fldi_ok, fpscr_set_from_mem): New prototypes.
8245 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8246 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8247 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8248 (sh_flag_remove_dead_before_cse): Remove declaration.
8249 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8250 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8251 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8252 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8253 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8254 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8255 (fldi_ok): New function.
8256 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8257 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8258 (emit_df_insn): Likewise.
8259 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8260 (sh_flag_remove_dead_before_cse): Delete.
8261 (get_free_reg, fpscr_set_from_mem): New functions.
8262 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8263 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8265 2000-02-15 Loren Rittle <ljrittle@acm.org>
8267 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8269 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8271 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8272 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8274 * cccp.c: Include version.h and/or don't declare `version_string'.
8275 * collect2.c: Likewise.
8276 * alpha.c: Likewise.
8277 * arm/aof.h: Likewise.
8278 * arm/coff.h: Likewise.
8279 * arm/elf.h: Likewise.
8280 * arm/pe.h: Likewise.
8281 * arm/tcoff.h: Likewise.
8282 * arm/telf.h: Likewise.
8283 * arm/tpe.h: Likewise.
8284 * arm/vxarm.h: Likewise.
8285 * convex/convex.c: Likewise.
8286 * i386/dgux.c: Likewise.
8287 * i386/sun386.h: Likewise.
8288 * m88k/m88k.c: Likewise.
8289 * mcore/mcore-pe.h: Likewise.
8290 * mips/mips.h: Likewise.
8291 * romp/romp.h: Likewise.
8292 * sh/sh.c: Likewise.
8293 * cpphash.c: Likewise.
8294 * cppinit.c: Likewise.
8295 * dwarf2out.c: Likewise.
8296 * dwarfout.c: Likewise.
8299 * mips-tfile.c: Likewise.
8300 * protoize.c: Likewise.
8301 * toplev.c: Likewise.
8304 * version.c (version_string): Constify a char*.
8306 * version.h: New file.
8308 2000-02-14 Nick Clifton <nickc@cygnus.com>
8310 * configure.in: Add mcore-elf and mcore-pe targets.
8311 * configure: Regenerate.
8313 * NEWS: Add note that MCore port has been contributed.
8315 * invoke.texi: Document command line switches for MCore port.
8316 * install.texi: Add MCore to list of supported targets.
8318 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8320 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8321 then we will need to import the frame handling functions.
8322 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8323 to import the frames themselves.
8325 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8326 Jason Eckhardt <jle@cygnus.com>
8328 * basic_block.h: Added prototype for reorder_basic_blocks.
8329 * toplev.c: Changes to add -freorder-blocks and graph dump after
8330 block reordering is done.
8331 * flow.c (reorder_block_def): New structure for use during block
8333 (REORDER_BLOCK_*): New macros to access members of above structure.
8334 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8335 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8336 functions for block reordering.
8338 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8340 * gcc.texi (Passes): Fix typo.
8341 * md.texi (Standard Names): Ditto.
8342 * tm.texi (Storage Layout): Ditto.
8344 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8346 * cpplib.c (do_define): Only free the old definition if it
8349 2000-02-13 Neil Booth <NeilB@earthling.net>
8351 * cppfiles.c (read_and_prescan): When emitting deferred
8352 newlines, test speccase[] again instead of checking each
8353 possible whitespace character in turn. When we encounter \r,
8354 look behind for \n first, then ahead.
8356 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8358 * cse.c (cse_altered): New internal flag.
8359 (cse_insn): Set it if we changed an insn.
8360 (cse_main): Clear cse_altered before each basic block.
8361 Only garbage collect if cse_altered is true afterward.
8363 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8365 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8367 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8369 * combine.c (simplify_comparison): Fix typo.
8371 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8373 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8376 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8378 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8379 previously inserted node instead of root node. Caller changed.
8381 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8383 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8385 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8387 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8388 __dereg_frame_dtor): Add prototype argument.
8390 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8392 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8394 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8396 * gthr-vxworks.h (__gthread_once): Likewise.
8398 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8400 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8402 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8403 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8404 stack pointer in functions w/o saved registers, output LEAVE more often
8405 on TARGET_USE_LEAVE machines.
8407 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8409 * config/arm/arm.c (arm_init_cumulative_args); New function:
8410 Initlaise the CUMULATIE_ARGS strcuture for a function
8412 (arm_function_arg): New function: Determine where to place a
8413 function's argument. Also handles deciding the function's
8415 (current_file_function_operand): New function: Return true if
8416 the symbol is a function which has already been compiled.
8417 (arm_is_long_call_p): New function: Return true if the
8418 indicated function should be called via a long call.
8419 (arm_valid_type_attribute_p): New function: Return true if the
8420 attribute is a valid, arm specific, attribute.
8421 (arm_comp_type_attribute): New function: Return true if the
8422 two types have compatable, arm specific, attributes.
8424 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8426 (FUNCTION_ARG): Redefine to call arm_function_arg.
8427 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8429 (INIT_CUMULATIVE_ARGS): Redefine to call
8430 arm_init_cumulative_args.
8431 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8433 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8435 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8437 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8438 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8439 (COMP_TYPE_ATTRIBUTES): Define.
8441 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8442 if a long call is needed.
8443 (call_value): Call arm_is_long_call_p to decide if a long call
8445 (call_symbol): Call arm_is_long_call_p to decide if a long call
8448 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8450 2000-02-11 Denis Chertykov <denisc@overta.ru>
8452 * README.AVR: New file with information about the avr ports.
8453 * config/avr: New directory with avr port files.
8455 2000-02-11 Andreas Jaeger <aj@suse.de>
8457 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8459 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8461 * cpphash.c: Fix formatting, update commentary.
8462 (dump_definition): Take three separate arguments instead of a
8463 MACRODEF structure argument.
8464 * cpphash.h: Update prototype of dump_definition.
8465 * cppinit.c (cpp_finish): Update call of dump_definition.
8467 * cpplib.c (do_define): Always create new hash entry with
8468 T_MACRO type. Remove redundant check for redefinition of
8469 poisoned identifier. Update call of dump_definition.
8470 (do_undef): Don't call check_macro_name. Rename sym_length to
8472 (do_error, do_warning): Don't use copy_rest_of_line or
8474 (do_warning): Don't use pedwarn for the actual warning,
8475 only the notice about its not being in the standard. (Fixes
8476 bug with #warning in system headers.)
8477 (do_ident): Stricter argument checking - accept only a single
8478 string after #ident. Also, macro-expand the line.
8479 (do_xifdef): Use cpp_defined. De-obfuscate.
8481 (do_pragma): Split out specific pragma handling to separate
8482 functions. Use get_directive_token. Update commentary. Do
8483 not pass on #pragma once or #pragma poison to the front end.
8484 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8485 do_pragma_default): New.
8487 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8489 * jump.c (jump_optimize_1): The first operand in a relational
8491 * optabs.c (emit_conditional_move): Handle relationals which
8492 have a known true/false result.
8494 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8496 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8497 a RETURN insn into a block which already ends with a jump.
8499 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8501 * haifa-sched.c (BUF_LEN): Increase a lot.
8503 2000-02-11 Nick Clifton <nickc@cygnus.com>
8505 * configure.in: Add tm_p_file specification for thumb targets.
8506 * configure: Regenerate.
8508 * config/arm/thumb-protos.h: New file: Prototypes for exported
8509 functions defined in thumb.c.
8511 2000-02-11 Robert Lipe <robertl@sco.com>
8513 * Makefile.in (bootstrap-lean): Remove additional files.
8514 (bootstrap2-lean): Likewise.
8515 (VOL_FILES): List of files for above.
8517 2000-02-11 Nathan Sidwell <nathan@acm.org>
8519 * cpphash.c (special_symbol): Remove spurious argument to
8522 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8524 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8526 * configure: Rebuilt.
8528 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8530 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8532 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8534 * pa.c, pa.h: Remove trigraph sequences within comments.
8536 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8538 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8540 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8542 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8544 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8546 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8548 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8550 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8551 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8552 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8553 (ASM_FILE_END): Use c4x_file_end.
8554 * config/c4x/c4x.c (c4x_global_label): New function.
8555 (c4x_external_ref, c4x_file_end): Likewise.
8557 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8558 (c4x_external_ref, c4x_end_file): Likewise.
8560 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8562 * cppexp.c: Don't include cpphash.h.
8563 (parse_charconst, cpp_lex): Use cpp_defined.
8564 (cpp_lex): Use get_directive_token throughout. Remove
8565 unnecessary cases from switch. Move assertion-handling code
8567 (cpp_parse_expr): If we see '+' or '-', check the context to
8568 determine if they are unary or binary operators. Streamline
8569 the jumps a bit. Do not call skip_rest_of_line.
8571 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8572 static. Export get_directive_token. Update commentary.
8573 (cpp_defined): New function.
8574 (do_define): Remove reference to T_PCSTRING. Call
8575 free_definition to release memory for old definition, when
8577 (eval_if_expression): Set only_seen_white to 0 before calling
8578 cpp_parse_expr. Call skip_rest_of_line after it returns.
8579 (cpp_read_check_assertion): Don't preserve a pointer into the
8580 token buffer across a call to cpp_get_token.
8582 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8583 * cppfiles.c (redundant_include_p): Use cpp_defined.
8584 * cpphash.c (free_definition): New function.
8585 (delete_macro): Use it. Update commentary.
8586 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8588 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8589 from enum node_type. Prototype cpp_defined and get_directive_token.
8590 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8592 * fix-header.c (check_macro_names): Use cpp_defined.
8593 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8594 the options structure.
8596 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8598 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8600 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8602 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8603 rather than die->die_tag.
8605 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8607 * combine.c (make_extraction, force_to_mode): Avoid warning on
8608 mixed-signedness conditionals.
8609 (make_field_assignment, nonzero_bits): Likewise.
8610 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8611 (store_split_bit_field, extract_split_bit_field): Likewise.
8612 (extract_fixed_bit_field, store_bit_field,
8613 * expr.c: Change alignment to be unsigned everywhere.
8614 (move_by_pieces, store_constructor_field, store_constructor):
8615 Alignment parm is unsigned.
8616 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8617 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8618 (do_compare_rtx_and_jump): Likewise.
8619 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8620 Compare align with GET_MODE_ALIGNMENT.
8621 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8622 (get_inner_reference): Likewise.
8623 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8624 (expand_assignment): Local vars for alignment now unsigned.
8625 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8626 (do_compare_and_jump): Likewise.
8627 (store_field): Call new function expr_align.
8628 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8629 Alignment arg now unsigned.
8630 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8631 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8632 (extract_bit_field): Likewise.
8633 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8634 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8635 (get_best_mode): Alignment arg is unsigned.
8636 * rtl.h (move_by_pieces): Likewise.
8637 * store-layout.c (maximum_field_alignment, set_alignment):
8639 (layout_decl): Alignment arg is now unsigned.
8640 Remove unneeded casts.
8641 (layout_record, layout_union, layout_type): Remove unneeded casts.
8642 Local alignment variables now unsigned.
8643 (get_best_mode): Alignment arg now unsigned.
8644 * tree.c (expr_align): New function.
8645 * tree.h (expr_align): Likewise.
8646 (maximum_field_alignment, set_alignment): Now unsigned.
8647 (get_inner_reference): Alignment argument is now pointer to unsigned.
8648 * varasm.c (assemble_variable): Add cast to eliminate warning.
8650 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8652 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8653 then store directly into op0.
8655 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8656 the CALL_INSN, and emit the note immediately after it.
8658 2000-02-10 Nick Clifton <nickc@cygnus.com>
8660 * config/arm/thumb.md (epilogue): Include a (return) in the
8661 generated insn, and emit it using emit_jump_insn not
8664 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8666 * function.c (assign_temp): Change zero-sized arrays to size 1.
8667 * integrate.c (expand_inline_function): Do not update
8668 stack_alignment_needed
8669 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8670 add some sanity checking, remove optimization for function with
8673 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8675 * flow.c (mark_regs_live_at_end): Delete unused variables.
8677 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8679 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8680 in macro FRAME_GROWS_DOWNWARD.
8682 * stmt.c (expand_end_bindings): Delete unused variable.
8684 * unroll.c (iteration_info): Mark parameter `loop' with
8687 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8689 * fixinc/server.c (load_data): Return NULL if the marker line is
8691 (run_shell): If load_data returns NULL, retry the command once, in
8694 * configure: Rebuilt.
8696 2000-02-09 Bruce Korb <bkorb@gnu.org>
8698 * gcc/fixincludes: ** DELETED **
8699 * gcc/fixcpp: ** DELETED **
8700 * gcc/fixinc-nt.sed: ** DELETED **
8701 * gcc/just-fixinc: ** DELETED **
8702 * gcc/Makefile.in: Removed out-dated commentary
8703 * gcc/configure.in: Removed fast-fixincludes disablement.
8704 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8706 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8707 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8710 2000-02-09 Richard Henderson <rth@cygnus.com>
8712 * jump.c (delete_insn): Don't delete user labels at -O0.
8714 2000-02-09 Robert Lipe <robertl@sco.com>
8716 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8717 Don't link with HOST_LIBS.
8719 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8721 * configure.in: Correct --help text for --with-dwarf2.
8722 Put tm-dwarf2.h after other tm files, if it's requested.
8723 * configure: Regenerate.
8724 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8727 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8729 * cpplib.h: Provide HASHNODE typedef and forward decl of
8730 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8731 DEFINITION, struct hashnode, struct macrodef, struct
8732 definition, scan_decls prototype, default defn of
8733 INCLUDE_LEN_FUDGE moved elsewhere.
8735 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8736 definition, and struct hashnode moved here. Remove the unused
8737 'predefined' field from struct definition. Replace the 'args'
8738 union with its sole member. All users updated (cpphash.c).
8739 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8740 multiple include guard.
8742 * cpphash.c (hashf): Make static; use better algorithm; drop
8743 HASHSIZE parameter; return an unsigned int.
8744 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8745 used. Calculate HASHSIZE modulus here.
8746 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8748 (create_definition): Drop PREDEFINITION parameter.
8749 * cpplib.c (do_define): Don't calculate a hash value here.
8750 Don't pass (keyword == NULL) to create_definition.
8752 * scan.h: Prototype scan_decls here.
8753 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8754 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8755 callers of cpp_lookup and cpp_install updated.
8757 * cpphash.c (macarg): Hoist all the flag diddling out of the
8759 (macroexpand): ... and out of the loop that calls macarg.
8760 Skip over the initial paren before macro arguments with
8761 cpp_get_non_space_token; point may be some distance before
8762 that paren. Abort if it's not there.
8764 * cpplib.c (parse_clear_mark): Delete function.
8765 (parse_set_mark, parse_goto_mark): Make static.
8766 (ACTIVE_MARK_P): New macro.
8767 (skip_block_comment, skip_line_comment): Do not bump the line
8768 if ACTIVE_MARK_P is true.
8769 (cpp_pop_buffer): The buffer to be popped may not have an
8771 (cpp_get_token): When looking for the initial paren before
8772 macro arguments, only set a mark in a file buffer, Always
8773 return to that mark before proceeding to call macroexpand or
8774 return a NAME token.
8776 * cpplib.h: Remove prototypes of parse_set_mark,
8777 parse_clear_mark, parse_goto_mark.
8778 (struct cpp_options): Rename 'put_out_comments' to
8779 'discard_comments' and invert its sense.
8780 * cppinit.c, cpphash.c, cpplib.c: All users of
8781 put_out_comments changed to use discard_comments, with
8784 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8786 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8787 the edge from a block that both jumps and falls through to the
8790 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8792 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8793 constant source address is legitimate.
8795 2000-02-09 Philip Blundell <pb@futuretv.com>
8797 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8800 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8802 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8804 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8806 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8807 ends with a newline and a NUL. Don't be so clever manipulating
8810 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8812 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8813 not to BIGGEST_ALIGNMENT.
8815 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8817 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8818 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8819 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8820 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8821 * frame.c (execute_cfa_insn): Handle
8822 DW_CFA_GNU_negative_offset_extended.
8824 2000-02-08 Richard Henderson <rth@cygnus.com>
8826 * flow.c (tidy_fallthru_edges): Split out from ...
8827 (delete_unreachable_blocks): ... here.
8828 (find_basic_blocks): Use it.
8830 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8832 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8834 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8836 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8837 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8838 (fix-header.o): Don't depend on cpphash.h.
8840 * scan.c (hashstr): New function.
8841 * scan.h: Prototype it.
8842 * fix-header.c: Don't include cpphash.h. Use hashstr.
8843 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8844 hashstr. Report hash table statistics. Add private
8845 definition of xrealloc.
8847 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8849 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8851 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8853 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8854 jumps with returns unless they are jumps to the fallthru block.
8856 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8858 * i386.md (addqi3_cc): Fix contraints.
8860 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8862 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8864 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8866 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8867 carriage return after a macro name.
8869 2000-02-07 Fred Fish <fnf@be.com>
8871 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8872 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8874 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8876 * cppfiles.c (deps_output): Count spacers in deps_column.
8878 2000-02-07 Neil Booth <NeilB@earthling.net>
8880 * cppinit.c (initialize_dependency_output): If there is no
8881 suffix, don't try to look for known suffixes. Use strrchr.
8882 (cpp_start_read): Remove duplicate initialization.
8884 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8886 * calls.c (compute_argument_block_size): New argument
8887 preferred_stack_boundary.
8888 (expand_call): update cfun->preferred_stack_boundary, update call of
8889 compute_argument_block_size
8890 (emit_library_call): Increate cfun->preferred_stack_boundary
8891 to PREFERRED_STACK_BOUNDARY
8892 (emit_library_call_value): Likewise.
8893 * explow.c (allocate_dynamic_stack_spave): Likewise.
8894 * function.c (prepare_function_start): Set
8895 cfun->preferred_stack_boundary
8896 * function.h (struct function): Add preferred_stack_boundary field.
8897 * integrate.c (expand_inline_function): Update
8898 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8899 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8900 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8902 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8904 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8905 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8906 cpp_pedwarn, cpp_pedwarn_with_line,
8907 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8908 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8909 v_cpp_error_with_line, v_cpp_warning_with_line,
8910 cpp_message_from_errno, cpp_perror_with_name): Delete.
8912 * cpperror.c (cpp_print_containing_files): Take starting
8914 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8915 (v_cpp_message): Now called directly by all entry points.
8917 (cpp_pfatal_with_name, cpp_message): Delete.
8918 (cpp_notice_from_errno, cpp_ice): New functions.
8919 (cpp_notice): Is now for reporting error conditions, just
8920 without an associated file.
8921 (cpp_error, cpp_error_with_line): Don't do anything if
8922 opts->inhibit_errors is on.
8923 (cpp_pedwarn_with_file_and_line): Take column argument also.
8925 * cpplib.h: Update prototypes of exported functions.
8926 (struct cpp_options): Add inhibit_errors.
8928 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8929 non-error messages. Include intl.h.
8931 * cppinit.c, cppmain.c: Likewise. Also, use
8932 cpp_notice_from_errno instead of cpp_perror_with_name or
8933 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8935 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8936 report internal errors.
8938 * cpplib.c (do_define): Switch bcopy to memcpy.
8939 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8941 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8942 bail out early if we hit a line comment.
8944 2000-02-06 Richard Henderson <rth@cygnus.com>
8946 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8947 * basic-block.h: Declare them.
8948 * emit-rtl.h (active_insn_p): New.
8949 (next_active_insn, prev_active_insn): Use it.
8950 * rtl.h: Declare it.
8951 * function.c (emit_return_into_block): New.
8952 (thread_prologue_and_epilogue_insns): Insert return insns instead
8953 of epilogues when possible.
8954 * jump.c (jump_optimize_1): Remove code to insert a return insn
8955 on the fallthru to the exit block.
8957 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8958 and for non-empty stack frames.
8959 * i386.md (return): Expand to return-pop as needed.
8961 2000-02-06 Richard Henderson <rth@cygnus.com>
8963 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8964 constant to op1 for testing.
8966 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8968 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8969 (fixuns_truncqfqi2): Use it.
8971 2000-02-06 Richard Henderson <rth@cygnus.com>
8973 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8976 * i386.md (widening and peepholes): Mask the constant instead of
8979 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8981 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8982 input pointer before possibly branching off to the backslash
8984 * cpphash.c (macroexpand): Correctly delete \r escapes when
8985 stringifying parameters.
8986 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8987 if we can; bail out early if we hit a line comment.
8988 (handle_directive): Treat '# 123' in an .S file just like
8989 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8990 Return 1 for '# not_a_directive'.
8991 (get_directive_token): Pop macro buffers here, so that
8992 cpp_get_token can't sneakily move past a newline.
8994 (cpp_get_token): goto randomchar if handle_directive returns 0.
8996 * cppalloc.c: Update copyright.
8997 * cpplib.c: Merge all the static function prototypes into one
8999 * cpplib.h: Remove #if 0 block.
9001 * cpperror.c: Remove #ifdef EMACS block.
9002 * cppmain.c: Likewise.
9003 * cpphash.c: Remove #if 0 blocks.
9004 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9005 * cpplib.c: Remove #if 0 blocks and code referencing
9006 pcp_inside_if or for_lint. Remove duplicate error message.
9007 Fix error messages for #else after #else or #elif. Reformat.
9008 Remove archaic TODO list.
9009 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9011 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9013 * i386/osf1elf.h: Add missing backslash to multiline string.
9015 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9017 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9019 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9021 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9023 * c-common.c: Include expr.h.
9025 * c-pragma.c (mark_align_stack): Add prototype.
9027 * caller-save.c (add_stored_regs): Likewise.
9029 * combine.c (record_promoted_value): Likewise.
9031 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9034 * cppinit.c (new_pending_define): Likewise.
9036 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9038 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9039 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9040 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9041 class_scope_p): Likewise.
9043 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9044 dwarf2out_add_library_unit_info): Likewise.
9046 * ggc.h (ggc_page_print_statistics): Likewise.
9048 * haifa-sched.c (propagate_deps): Likewise.
9050 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9052 * rtl.h (set_stack_check_libfunc): Likewise.
9054 * toplev.h (set_fatal_function): Likewise.
9056 * toplev.c (set_fatal_function): Delete prototype.
9058 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9060 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9062 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9063 (FUNC_END): Likewise.
9065 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9067 * caller-save.c: Include tm_p.h.
9069 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9071 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9073 2000-02-04 Neil Booth <NeilB@earthling.net>
9075 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9078 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9080 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9081 * genflags.c: Use the max_operand_1 logic from genemit.c to
9082 calculate how many arguments gen_insn prototypes have. Remove
9083 NO_MD_PROTOTYPES ifdefs from the generated file.
9084 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9085 file. Cast gen_insn initializers to insn_gen_fn.
9086 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9087 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9089 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9091 * fixinc/Makefile.in (HDR): Add machname.h.
9094 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9096 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9097 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9098 (c4x_cpu_version): Ditto.
9099 * config/c4x/c4x-protos.h: ... here.
9101 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9103 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9104 gen_abstract_function on our context if we're a nested function.
9106 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9108 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9109 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9111 2000-02-04 Bruce Korb <bkorb@gnu.org>
9113 * fixinc/genfixes(machname.h):
9114 Move the functionality from gen-machine.h into this file.
9115 UNdef MN_NAME_PAT if there are no names to change.
9116 Also, be a little kinder when AutoGen is not present.
9118 * fixinc/Makefile.in(machname.h):
9119 Change the generation rule to use genfixes.
9121 * fixinc/fixfixes.c(machine_name):
9122 machine_name_fix's functionality now dependent upon whether
9123 MN_NAME_PAT is defined.
9125 * fixinc/fixtests.c(machine_name):
9128 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9131 * fixinc/fixlib.h(mn_get_regexps):
9134 * fixinc/gen-machine.h: DELETED
9136 2000-02-04 Jan Hubicka <jh@suse.cz>
9137 Richard Henderson <rth@cygnus.com>
9139 * i386.c (SAVE_REGS_FIRST): Remove.
9140 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9141 (ix86_compute_frame_size): Likewise.
9142 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9143 (ix86_emit_restore_regs): Remove.
9144 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9145 when a frame pointer is in use.
9146 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9147 instead of pop to restore a register when profitable; emit leave
9149 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9151 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9152 * i386.md (prologue_allocate_stack): Remove.
9153 (epilogue_deallocate_stack): Remove.
9154 (pro_epilogue_adjust_stack): New.
9156 2000-02-04 Richard Henderson <rth@cygnus.com>
9158 * function.c (diddle_return_value): Rework to use a callback function.
9159 Use current_function_return_rtx if it's been set up.
9160 (do_clobber_return_reg, clobber_return_register): New.
9161 (do_use_return_reg, use_return_register): New.
9162 (expand_function_end): Use them.
9163 * stmt.c (expand_null_return): Likewise.
9164 * function.h: Declare them.
9165 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9166 (mark_reg): Change arguments as appropriate for callback.
9167 * integrate.c (expand_inline_function): Revert 19 Jan change.
9169 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9171 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9172 (Misc): Say the scheduler, not the Haifa scheduler.
9174 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9176 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9177 when in_mem is set. Update all callers.
9179 2000-02-04 Richard Henderson <rth@cygnus.com>
9181 * i386/openbsd.h (INT_ASM_OP): Define.
9183 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9185 * tm.texi: Fix various typos.
9187 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9189 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9190 (MD_STARTFILE_PREFIX_1): New macro.
9192 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9194 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9195 destination when needed.
9196 (strmovsi, strsetsi): New expander.
9197 (strmovsi_1, strsetsi_1): New pattern.
9198 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9199 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9200 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9201 * invoke.texi (align-stringops, inline-all-stringops): Document.
9203 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9205 * i386/netbsd.h (INT_ASM_OP): Define.
9207 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9209 * cpplib.h (cpp_reader): Add new flag, no_directives.
9210 * cpphash.c (macarg): Set it.
9211 * cpplib.c (handle_directive): If no_directives is on and we
9212 find a directive, issue an error and discard the line.
9214 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9216 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9217 FP constants. Add ! TARGET_FPU check for FP constants.
9219 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9221 * flow.c (find_basic_blocks): Don't kill label_value_list
9223 (cleanup_cfg): Kill it here.
9225 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9227 * expr.c (store_field): Ensure ALIGN is no stricter than the
9230 2000-02-02 Richard Henderson <rth@cygnus.com>
9232 * jump.c (delete_insn): Partially revert 19 Jan change;
9233 don't convert unused code labels to notes at -O0.
9235 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9237 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9238 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9240 2000-02-01 Richard Henderson <rth@cygnus.com>
9242 * i386.c (general_no_elim_operand): New.
9243 (nonmemory_no_elim_operand): New.
9244 (ix86_expand_move): Copy eliminable operands before a push.
9245 * i386-protos.h: Declare new functions.
9246 * i386.h (CAN_ELIMINATE): Simplify.
9247 (PREDICATE_CODES): Update.
9248 * i386.md (push insns): Don't allow eliminable register operands.
9250 2000-02-01 Richard Henderson <rth@cygnus.com>
9252 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9253 replace BLKmode with DECL_RTL's mode.
9255 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9257 * frame.c (find_fde): Convert for loop to do-while so compiler
9258 sees it's always executed at least once.
9259 * libgcc2.c (BBINBUFSIZE): Kill.
9260 (__bb_init_prg): Use fgets.
9261 (__bb_exit_trace_func): Don't paste strings.
9262 * unroll.c (unroll_loop): Initialize unroll_type, not
9263 unroll_number, and tweak logic to match.
9265 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9267 (ix86_flags_dependant): Likewise. Disentangle control flow.
9268 (ix86_sched_reorder): Break guts out to
9269 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9270 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9273 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9274 use string concatenation. Don't save and restore esi.
9276 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9277 (machname.h): Remove script to separate file. Use two-step
9278 sequence so target is not created if script fails.
9279 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9280 identifiers are defined.
9281 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9282 an empty string, machine_name doesn't need to do anything at
9284 (is_cxx_header): Add more cases to regexp.
9285 * fixinc/fixlib.h: Update prototype.
9286 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9288 * fixinc/fixincl.c: Define NO_BOGOSITY.
9290 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9291 (hp_sysfile): Add missing comma.
9292 (math_exception): Put the wrapper ifdefs at the beginning and
9293 the end of the file.
9294 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9296 2000-02-01 Richard Henderson <rth@cygnus.com>
9298 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9299 Use CONST0_RTX. Update all callers.
9300 * sparc.h, sparc-protos.h: Update accordingly.
9301 * sparc.md (fp mov insns): Use fp_zero_operand directly
9304 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9306 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9309 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9311 * Makefile.in (specs.ready): New target.
9312 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9314 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9316 * fixinc.irix: Use unique filenames for writing into /tmp,
9317 * fixinc.ptx: Likewise.
9318 * fixinc.sco: Likewise.
9319 * fixinc.svr4: Likewise.
9320 * fixinc.winnt: Likewise.
9322 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9324 * tsystem.h: New file.
9326 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9327 s-crtS): Depend on tsystem.h.
9329 * crtstuff.c: Include tsystem.h.
9330 * frame.c: Likewise.
9331 * libgcc2.c: Likewise.
9333 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9335 * builtins.c (expand_builtin_memset): Expand for variable sized
9338 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9340 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9343 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9345 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9347 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9349 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9351 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9352 case 3->2 combining (combining with splitting) in which 2 is CC0
9353 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9354 checked at the begining of the function with the aid of calling
9355 function 'can_combine_p'.
9357 2000-01-31 Dave Brolley <brolley@redhat.com>
9359 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9361 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9363 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9366 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9368 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9370 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9373 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9375 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9376 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9377 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9378 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9379 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9380 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9381 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9382 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9383 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9384 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9386 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9387 Add %(cpp_cpu) to CPP_SPEC.
9389 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9390 Add %(cc1_cpu) to CC1_SPEC.
9392 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9394 * c-decl.c (c_decode_option): Accept optional numeric argument to
9395 -Wformat and set warn_format.
9396 * c-common.c: Don't emit warning about non-constant printf format
9397 string unless warn_format > 1.
9399 2000-01-30 Richard Henderson <rth@cygnus.com>
9401 * alpha.md (return_internal): Allow after reload only.
9403 2000-01-30 Richard Henderson <rth@cygnus.com>
9405 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9406 local frame size is zero.
9408 2000-01-30 Richard Henderson <rth@cygnus.com>
9410 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9411 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9412 * alpha.md (return): Turn into an expander.
9413 (return_internal): Don't use $26.
9414 (epilogue): Emit the return insn.
9416 2000-01-30 Richard Henderson <rth@cygnus.com>
9418 * alpha.md (negtf2, abstf2): Fix word order thinko.
9420 (trunctfsf2): Avoid intermediate rounding errors.
9422 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9424 * cppfiles.c (find_position): Drop 'colp' argument, return the
9426 (read_and_prescan): Adjust to match. Don't ever manipulate
9427 line or line_base except via find_position.
9429 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9431 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9432 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9435 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9437 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9438 just print "<command line>". If 'filename' is null or an
9439 empty string, print "<stdin>" for the filename.
9440 * cpplib.c (do_define): Don't print the 'location of the
9441 previous definition' message if we're still parsing the
9443 (cpp_pedwarn_with_file_and_line): Always call
9444 cpp_file_line_for_message.
9446 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9448 * flow.c (mark_regs_live_at_end): Fix typo.
9450 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9452 * c-common.c: Adjust variable names, comments, help strings to c99.
9453 * c-lex.c: Likewise.
9454 * c-parse.y: Likewise.
9455 * c-tree.h: Likewise.
9457 * cpplib.h: Likewise.
9458 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9459 * cppinit.c: Likewise.
9461 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9463 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9464 * c4x.c: Define the optab rtx values.
9465 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9466 (c4x_emit_libcall): Use new optab rtx values.
9467 (c4x_emit_libcall3): Likewise.
9468 (c4x_emit_libcall_mulhi): Likewise.
9469 * c4x-protos.h: Add prototypes for optab rtx values and change
9470 prototypes for above c4x_emit_libcall functions.
9472 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9474 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9476 (c4x_function_prologue): Use regnames intead of float_reg_names when
9478 (c4x_function_epilogue): Likewise.
9479 (c4x_print_operand): Likewise.
9480 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9481 * c4x.md (set_high): Disable for TARGET_TI.
9483 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9485 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9486 of framepointer + constant to ADDR_REGS class.
9487 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9488 * c4x.c (std_or_reg_operand): New function.
9489 * c4x-protos.h (std_or_reg_operand): Prototype it.
9491 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9493 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9494 object names as libgcc2.c.
9495 * libgcc.S: Use newly defined names.
9497 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9498 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9500 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9501 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9502 (FLOW_LOOP_LAST_BLOCK): Likewise.
9504 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9506 * basic-block.h (struct loop): New fields 'first' and 'last'.
9507 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9508 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9509 and loop->last to check for NOTE_INSN_LOOP_END.
9511 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9513 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9514 of the loop descriptor rather than HEADER and LATCH. Also added
9515 missing break statements as well making some coding style modifications
9516 as suggested by Michael Hayes.
9518 2000-01-28 Richard Henderson <rth@cygnus.com>
9520 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9521 Break out that code ...
9522 (cleanup_cfg): ... here.
9523 (commit_one_edge_insertion): Detect a return instruction being
9524 emitted to an edge. Emit a barrier following; clear fallthru.
9525 (commit_edge_insertions): Verify CFG consistency.
9526 * function.c (expand_function_start): Kill unused variable.
9527 (expand_function_end): Likewise.
9528 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9529 to insert the epilogue.
9531 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9532 (delete_null_pointer_checks): Likewise.
9533 * output.h: Likewise.
9534 * reg-stack.c (reg_to_stack): Likewise.
9535 * toplev.c (rest_of_compilation): Likewise. Run
9536 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9538 2000-01-28 Richard Henderson <rth@cygnus.com>
9540 * Makefile.in (flow.o): Revert 24 Jan change.
9541 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9542 FUNCTION_VALUE result to DECL_RESULT's mode.
9544 * haifa-sched.c (schedule_insns): Don't recompute reg info
9547 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9549 * configure.in: Make --enable-cpplib the default.
9550 * configure: Regenerate.
9551 * gcc.dg/990119-1.c: No longer expected to fail.
9553 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9555 * jump.c (jump_optimize_1): Delete an optimization that is also done
9556 by merge_blocks in flow.
9558 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9560 * diagnostic.c (build_message_string, output_printf,
9561 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9562 (build_location_prefix): Fix non-literal format string.
9564 2000-01-27 Richard Henderson <rth@cygnus.com>
9566 * alpha.md (trunctfsf2): New.
9568 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9570 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9572 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9574 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9576 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9578 (skip_comment) ... here. Permit C++ comments in system
9579 headers always. Warn about C++ comments in user code under
9580 -std=gnu89 -pedantic.
9581 (copy_comment): Use skip_comment.
9582 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9584 (consider_directive_while_skipping, do_else, do_endif): Call
9585 validate_else unconditionally.
9586 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9587 text after the conditional in a system header.
9588 * cpplib.h (struct cpp_buffer): Add flag
9589 warned_cplusplus_comments.
9591 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9593 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9594 Use unshare_all_rtl_1.
9595 (unshare_all_rtl_again): New function.
9596 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9598 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9599 rather than resetting the 'used' flags ourself.
9601 * toplev.c (rest_of_compilation): Add current_function_decl
9602 to the unshare_all_rtl call.
9603 * tree.h: Prototype unshare_all_rtl.
9604 * rtl.h: Prototype unshare_all_rtl_again here.
9606 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9608 * genoutput.c (output_prologue): Include ggc.h in generated
9610 * Makefile.in (insn-output.o): Depends on ggc.h.
9612 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9613 Hans-Peter Nilsson <hp@bitrange.com>
9615 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9616 Remove redundant include of xm-ns32k.h.
9617 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9618 Remove redundant include of xm-ns32k.h.
9619 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9620 Remove redundant include of xm-ns32k.h.
9621 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9623 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9624 (TARGET_SWITCHES): Add documentation strings.
9625 (DWARF_FRAME_REGNUM): Override default definition.
9626 (REG_CLASS_CONTENTS): Add comments.
9627 (SUBSET_P): Format to reduce line length.
9628 (SMALL_REGISTER_CLASSES): Make a run time option.
9629 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9630 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9631 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9632 (regclass_map): fix typo in comment.
9633 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9634 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9635 (trace, reg_or_mem_operand): Delete, unused function.
9636 (calc_address_cost): Small offsets are cheaper than large ones.
9637 (expand_block_move): Generate more efficient code when bytes is a
9638 known at compile time.
9639 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9640 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9641 instead of reg_or_mem_operand.
9643 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9644 not general_operand. Similarly use "=rm" or stricter, not "=g".
9645 For input operands, use stricter constraints than "g" if not
9646 general_operand. Similarly use stricter predicate than
9647 "general_operand" when stricter constraints than "g" are present,
9648 except for matching constraints.
9649 (movstrsi): Use "memory_operand" for operands 0 and 1.
9650 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9651 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9652 not reg_or_mem_operand.
9653 (udivmoddisi4): Ditto.
9654 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9655 Use nonimmediate_operand for operand 3, not register_operand.
9656 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9659 2000-01-27 Fred Fish <fnf@be.com>
9661 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9662 * gthr-single.h: Likewise.
9663 * gthr-solaris.h: Likewise.
9664 * gthr-vxworks.h: Likewise.
9665 * gthr-win32.h: Likewise.
9668 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9670 * cppinit.c: Add " (cpplib)" to end of string printed by
9673 2000-01-27 Richard Henderson <rth@cygnus.com>
9675 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9676 testing for a signed comparison.
9677 (alpha_emit_floatuns): New.
9678 * alpha-protos.h: Declare it.
9679 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9680 (extendsfdf2): Tidy.
9682 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9684 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9685 no -g option specifying debugging format, default to -gstabs+.
9687 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9689 * calls.c (special_function_p): New argument fork_or_exec.
9690 (expand_call): When profile_arc_flag is set and the function
9691 is in the fork_or_exec group, call __bb_fork_func first.
9692 * libgcc2.c, _bb module (__bb_fork_func): New function.
9693 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9695 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9696 * tree.h (special_function_p): Update prototype.
9698 2000-01-26 Richard Henderson <rth@cygnus.com>
9700 * alpha.c (alpha_split_tfmode_pair): New.
9701 * alpha-protos.h: Declare it.
9702 * alpha.md (abstf2, negtf2): New.
9703 (movtf insn): Add input G constraint.
9704 (movtf splitter): Use alpha_split_tfmode_pair.
9706 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9708 * i386/cygwin.h: PROTO -> PARAMS.
9710 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9712 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9713 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9714 using _Qp_cmp/_Q_cmp and testing the return value.
9715 (print_operand): Call reverse_condition_maybe_unordered if
9716 we are handling CCFPmode or CCFPEmode.
9717 Handle ORDERED, UN* and LTGT comparisons.
9718 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9719 if not TARGET_HARD_QUAD.
9720 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9721 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9722 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9723 Adjust gen_b* calls so that they reflect return comparison of
9724 sparc_emit_float_lib_cmp.
9726 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9728 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9729 incoming operands array is large enough for one more operand.
9730 (alpha_emit_xfloating_arith): Likewise.
9732 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9734 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9735 file with one line and no trailing newline.
9736 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9737 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9738 checking if the match is on the line.
9739 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9741 2000-01-25 Richard Henderson <rth@cygnus.com>
9743 * sparc.c (output_cbranch): Fix accidental squashing of the
9744 fp branch pre-delay nop.
9746 2000-01-25 Richard Henderson <rth@cygnus.com>
9748 * tree.def (UNNE_EXPR): Remove.
9749 * c-typeck.c (build_binary_op): Don't handle it.
9750 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9752 * rtl.def (UNNE): Remove.
9754 * jump.c (reverse_condition): Update accordingly.
9755 (swap_condition): Likewise.
9756 (comparison_dominates_p): Handle unordered comparisons.
9757 (reverse_condition_maybe_unordered): New.
9758 * rtl.h (reverse_condition_maybe_unordered): Declare.
9760 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9761 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9762 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9763 * sparc.md (bltgt): New.
9765 2000-01-25 Nick Clifton <nickc@redhat.com>
9767 * emit-rtl.c (emit_insn): Only check machine class insns for
9768 improper emission of a RETURN.
9770 2000-01-25 Richard Henderson <rth@cygnus.com>
9772 * Makefile.in (flow.o): Depend on $(EXPR_H).
9773 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9774 duplicate the structure of diddle_return_value for keeping regs live.
9776 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9778 * loop.c (current_loop_info): Delete.
9779 (consec_sets_invariant_p): Add loop argument, update callers.
9780 (get_condition_for_loop): Likewise.
9781 (count_nonfixed_reads, update_giv_derive): Likewise.
9782 (simplify_giv_expr, general_induction_var): Likewise.
9783 (consec_sets_giv, recombine_givs): Likewise.
9784 (move_movables): Delete loop_start and loop_end arguments,
9785 add loop argument, and update callers.
9786 (find_mem_givs, check_final_value): Likewise.
9787 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9788 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9790 (basic_induction_var): Add loop argument, delete loop_level argument,
9792 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9793 add loop argument, and update callers.
9794 (find_splittable_regs, find_splittable_givs): Likewise.
9795 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9796 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9797 (biv_total_increment): Delete loop_start and loop_end arguments;
9799 (precondition_loop_p): Delete loop_start and loop_info arguments;
9801 * loop.h (get_condition_for_loop): Add loop argument.
9802 (biv_total_increment): Delete loop_start and loop_end arguments.
9803 (precondition_loop_p): Delete loop_start and loop_info arguments;
9805 (final_biv_value): Delete loop_start and loop_end arguments;
9807 (final_giv_value, back_branch_in_range_p): Likewise.
9809 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9811 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9813 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9815 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9816 point to the new "generated_files" doc.
9818 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9820 * config/fp-bit.c (_unord_f2): Fix typo.
9822 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9824 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9825 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9826 functions obsoleted by GC, such as push_obstacks_nochange,
9827 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9828 and code which existed only to decide whether or not to call
9829 them. Remove now-unused NESTED argument from start_function;
9830 all callers changed. Do not change behavior based on ggc_p.
9831 The use of the ixp_obstack in c-iterate.c and the util_obstack
9832 in objc/objc-act.c remain; these are not obsoleted by garbage
9834 * c-tree.h: Update prototype for start_function.
9836 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9838 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9840 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9843 2000-01-25 Richard Henderson <rth@cygnus.com>
9845 * sparc-protos.h (select_cc_mode): Declare.
9846 * sparc.c (select_cc_mode): New. Handle unordered compares.
9847 (output_cbranch): Always reverse via code change. Handle
9848 unordered compares. Factor tests and string updates.
9849 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9850 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9851 * sparc.md (bunordered, bordered): New.
9852 (bungt, bunlt, buneq, bunge, bunle): New.
9854 2000-01-25 Richard Henderson <rth@cygnus.com>
9856 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9857 * ggc-common.c (ggc_add_rtx_varray_root): New.
9858 (ggc_mark_rtx_varray): New.
9859 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9860 functions down below ggc_mark_foo.
9861 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9863 2000-01-25 Richard Henderson <rth@cygnus.com>
9865 * alpha.c (secondary_reload_class): Don't allocate a secondary
9866 for integral mode memories into FLOAT_REGS. Rearrange the more
9867 complicated memory expression inward.
9869 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9871 * inclhack.def: Fixes to play nicer with FreeBSD, and
9872 corrections to comments.
9873 (cxx_unready): Add select expression.
9874 (irix_sockaddr): Add bypass expression.
9875 (machine_ansi_h_va_list): New fix.
9876 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9877 Split out addition of "#include <stdarg.h>" to...
9878 (stdio_stdarg_h): ... here.
9879 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9880 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9881 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9883 (ultrix_ifdef): Tighten up select expression.
9885 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9886 re_ct and max_mach to avoid use of shell. Make printed names
9887 match names in inclhack.def. Use static copyright date.
9888 Don't count c_test and test expressions as requiring regex_t
9889 slots. Add some commentary.
9890 * inclhack.tpl: Do not include the 'This script contains N
9891 fixup scripts' line if PROGRAM is defined. Use static
9894 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9896 * dwarf2out.c: include "varray.h", not dyn-string.h.
9897 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9898 (addr_const_to_string, addr_to_string): Lose.
9899 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9900 (struct dw_val_struct): val_addr is now an rtx.
9901 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9902 (used_rtx_varray): New varray.
9903 (dwarf2out_init): Initialize it.
9905 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9907 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9908 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9909 * Makefile.in (dwarf2out.o): Update dependencies.
9911 2000-01-24 Richard Henderson <rth@cygnus.com>
9913 * i386.c (i386_dwarf_output_addr_const): New.
9914 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9916 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9918 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9919 * i386.c (i386_simplify_dwarf_addr): New.
9920 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9922 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9924 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9925 TYPE_STUB_DECL is NULL.
9927 2000-01-24 Richard Henderson <rth@cygnus.com>
9929 * builtins.c (expand_tree_builtin): Move ...
9930 * c-common.c (expand_tree_builtin): ... here.
9932 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9934 * loop.h (LOOP_INFO): New accessor macro.
9935 * basic-block.h (struct loop): Rename field `info' to `aux'.
9936 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9937 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9938 * unroll.c (loop_iterations, unroll_loop): Likewise.
9940 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9942 * config/i386/t-cygwin: Accomodate new winsup directory layout
9943 when searching for include files.
9945 2000-01-24 Richard Henderson <rth@cygnus.com>
9947 * rtl.def: Add unordered fp comparisions.
9948 * tree.def: Likewise.
9949 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9951 * builtins.c (expand_tree_builtin): New function.
9952 * c-typeck.c (build_function_call): Use it.
9953 (build_binary_op): Support unordered compares.
9954 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9956 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9957 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9958 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9959 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9960 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9962 (swap_condition): Handle unordered compares.
9963 (thread_jumps): Check can_reverse before reversing.
9964 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9967 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9968 setcc is present before acking for cmp_optab. Update all callers.
9969 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9970 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9971 * expr.c (expand_expr): Likewise. Support unordered compares.
9972 (do_jump, do_store_flag): Likewise.
9973 * expr.h (enum libfunc_index): Add unordered compares.
9975 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9976 (DPBIT_FUNCS): Add _unord_df.
9977 * config/fp-bit.c (_unord_f2): New.
9978 * fp-test.c (main): Try unordered compare builtins.
9980 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9981 * alpha.c (alpha_comparison_operator): Check mode properly.
9982 (alpha_swapped_comparison_operator): Likewise.
9983 (signed_comparison_operator): Likewise.
9984 (alpha_fp_comparison_operator): New.
9985 (alpha_emit_conditional_branch): Handle unordered compares.
9986 * alpha.h (PREDICATE_CODES): Update.
9987 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9988 (bunordered, bordered): New.
9990 2000-01-24 Richard Henderson <rth@cygnus.com>
9992 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9993 * alpha.md (movtf): New expander, insn, and splitter.
9995 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9997 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10000 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10002 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10003 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10004 REG_ALLOC_ORDER): Add frame pointer
10005 (FRAME_POINTER_REGNUM): Set to 20
10006 (HARD_FRAME_POINTER_REGNUM): New macro.
10007 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10008 to HARD_FRAME_POINTER.
10009 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10010 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10011 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10012 (HI_REGISTER_NAMES): Add "frame".
10013 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10014 (debug_reg): Handle FRAME_POINTER_REGNUM.
10015 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10016 GENERAL_REGS and INDEX_REGS.
10017 * i386.c (SAVED_REGS_FIRST): new macro.
10018 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10019 (ix86_decompose_address, memory_address_length): Likewise.
10020 (regclass_map): Add frame pointer.
10021 (call_insn_operand): Handle frame_pointer_rtx.
10022 (reg_no_sp_operand): Likewise.
10023 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10024 (print_operand, legitimize_pic_address): Fix formating.
10025 (ix86_compute_frame_size): Make static, update prototype, new
10026 parameters padding1, padding2, use ix86_nsaved_regs, use
10027 stack_alignment_needed.
10028 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10029 to HARD_FRAME_POINTER_REGNUM conversions.
10030 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10031 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10032 (print_reg): Abort on FRAME_POINTER_REGNUM
10034 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10036 * i386.h (PREDICATE_CODES): Add aligned_operand.
10037 * i386.c (aligned_operand): New function.
10038 (ix86_aligned_p): Kill.
10039 * i386.md (movhi_1): Emit mov for aligned operands.
10040 (promoting peep2s): Use aligned_operand.
10042 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10044 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10045 expression to allow underscores in macro names.
10046 (fix_char_macro_defines): Increment scanning pointer.
10048 2000-01-23 Richard Henderson <rth@cygnus.com>
10050 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10051 * alpha/osf5.h: New file.
10052 * configure.in (alpha-*-osf5): Add it to tm_file.
10054 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10056 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10057 (alpha_emit_xfloating_cvt, function_arg): Declare.
10058 * alpha.c (alpha_emit_conditional_branch): Call
10059 alpha_emit_xfloating_compare for TFmode compares.
10060 (alpha_lookup_xfloating_lib_func): New.
10061 (alpha_compute_xfloating_mode_arg): New.
10062 (alpha_emit_xfloating_libcall): New.
10063 (alpha_emit_xfloating_arith): New.
10064 (alpha_emit_xfloating_compare): New.
10065 (alpha_emit_xfloating_cvt): New.
10066 (print_operand): Add default abort case.
10067 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10068 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10069 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10070 (RETURN_IN_MEMORY): True for TF/TCmode.
10071 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10072 (FUNCTION_ARG): Move to function_arg.
10073 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10074 (ASM_OUTPUT_LONG_DOUBLE): New.
10075 (ASM_OUTPUT_DOUBLE): Always output bits.
10076 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10077 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10078 (extenddftf2, trunctfdf2): New.
10080 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10082 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10083 * config/sparc/sol2.h: ... here.
10085 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10087 * basic-block.h (struct loops): New field `levels'.
10088 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10089 (flow_loop_level_compute): Initialise level to 1.
10090 (flow_loops_find): Set loops->levels.
10091 (flow_loops_dump): Print loops->levels.
10093 2000-01-23 Richard Henderson <rth@cygnus.com>
10095 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10096 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10098 2000-01-23 Richard Henderson <rth@cygnus.com>
10100 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10101 * i386.h (DBX_REGISTER_NUMBER): Use them.
10102 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10103 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10104 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10105 * i386/sequent.h: Kill incorrect comment.
10107 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10109 * ggc-page.c (struct page_entry): Make `context_depth' an
10111 (struct globals): Likewise.
10113 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10115 * loop.c (check_dbra_loop): When checking a loop for
10116 reversability, check the source of any stores to ensure
10117 they don't depend on an initial value.
10119 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10121 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10123 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10125 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10126 'pz_scan' into scope of entire function. Only affects
10127 compiles with -DDEBUG.
10129 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10131 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10132 section naming to that prior to 2000-01-07 patch.
10133 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10134 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10135 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10136 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10137 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10139 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10141 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10144 2000-01-21 Jim Wilson <wilson@cygnus.com>
10146 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10147 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10149 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10151 * cpphash.c (change_newlines): Delete function.
10152 (struct argdata): Delete 'newlines' and 'use_count' fields.
10153 (macroexpand): Remove code referencing those fields.
10155 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10157 * loop.c (loops_info): New variable.
10158 (loop_optimize): Allocate loops->array and free it on exit.
10159 Allocate memory for loops_info and assign to each loop,
10161 (find_and_verify_loops): Do not allocate loops->array.
10163 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10165 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10167 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10169 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10170 pseudos if expanded after first flow.
10171 (movdi_pic_label_ref): Likewise.
10173 2000-01-20 Richard Henderson <rth@cygnus.com>
10175 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10177 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10179 * Makefile.in (fixinc.sh): Depend on specs.
10180 * fixinc/Makefile.in: Add rule to create machname.h.
10181 (fixlib.o): Depend on machname.h.
10182 * fixinc/fixtests.c (machine_name): New test.
10183 * fixinc/fixfixes.c (machine_name): New fix.
10184 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10185 the machine_name test and fix.
10186 * fixinc/fixlib.h: Prototype it.
10187 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10188 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10190 * gcc.c (do_spec_1) [case P]: Take care not to create
10191 identifiers with three leading or trailing underscores.
10193 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10194 (fixincl): Don't specify libraries twice on link line.
10195 (gnu-regex.o): Remove special rule.
10196 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10197 defined by config.h. Do not define _REGEX_RE_COMP.
10198 (regcomp): Allocate and initialize a fastmap.
10199 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10201 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10203 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10205 2000-01-19 Richard Henderson <rth@cygnus.com>
10207 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10208 arguments with BB. Update all callers. Tidy line wrapping.
10210 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10212 * emit-rtl.c (try_split): Return last_insn if we split the
10215 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10217 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10218 (ix86_initial_elimination_offset): Declare.
10219 * i386.c (ix86_nsaved_regs): Break out from ...
10220 (ix86_can_use_return_insn_p): ... here.
10221 (ix86_emit_save_regs): Break out from ...
10222 (ix86_expand_prologue): ... here.
10223 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10225 (ix86_expand_epilogue): ... here.
10226 (ix86_compute_frame_size): Make static, add prototype.
10227 (ix86_initial_elimination_offset): Break out from ...
10228 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10230 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10232 * recog.h (OUT_FCN): Delete.
10234 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10236 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10238 * cppalloc.c: PROTO -> PARAMS.
10239 * cpperror.c: Likewise.
10240 * cppfiles.c: Likewise.
10241 * cpplib.c: Likewise.
10242 * cpplib.h: Likewise.
10244 * config/arm/arm-protos.h: PROTO -> PARAMS.
10245 * config/arm/arm.c: Likewise.
10246 * config/c4x/c4x.c: Likewise.
10247 * config/fr30/fr30-protos.h: Likewise.
10248 * config/nextstep.c: Likewise.
10249 * config/pa/pa.c: Likewise.
10250 * config/pj/pj.c: Likewise.
10251 * config/rs6000/rs6000.c: Likewise.
10252 * config/v850/v850-protos.h: Likewise.
10253 * config/v850/v850.c: Likewise.
10255 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10257 * i370-protos.h: New file.
10259 * i370.c: Include tm_p.h. Fix compile time warnings.
10261 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10264 * i370.md: Likewise.
10266 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10268 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10269 (target_isinf, target_isnan, eisnan): Mark parameter with
10271 (eiisinf): Wrap in INFINITY.
10272 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10273 (ibmtoe): Remove unused variable `rndsav'.
10275 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10277 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10278 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10280 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10282 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10283 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10284 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10286 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10287 Recognize Emacs mode markers also.
10288 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10289 C++ comments in C++ headers. Call is_cxx_header only if
10292 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10293 bypass for ncurses.
10294 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10295 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10296 ... these, which use the new C fixes.
10297 (math_exception): Escape literal '+' in bypass expression.
10299 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10302 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10304 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10307 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10309 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10310 prior to calling scan_loop.
10312 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10314 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10315 (split_branches, calc_live_regs): Likewise.
10317 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10319 * sh.md (fpu_single, fp_mode): New attributes.
10321 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10323 * loop.c (current_loop_info): Renamed from loop_info_data
10324 and changed to a pointer.
10325 (loop_optimize): Allocate loop_info structure for each loop
10326 and initialise to zero.
10327 (scan_loop): Set current_loop_info.
10329 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10332 2000-01-19 Richard Henderson <rth@cygnus.com>
10334 * stupid.c: Die die die.
10335 * Makefile.in (OBJS): Remove stupid.o.
10336 (stupid.o): Likewise.
10338 * except.c (emit_eh_context): Don't emit USEs for stupid.
10339 * explow.c (probe_stack_range): Likewise.
10340 * flags.h (obey_regdecls): Remove.
10341 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10342 when not optimizing.
10343 (life_analysis): Limit data collection when not optimizing.
10344 (mark_regs_live_at_end): Always mark the return value registers.
10345 (mark_used_regs): Remove dummy RETURN case.
10346 (print_rtl_with_bb): Don't consult obey_regdecls.
10347 * function.c (use_variable, use_variable_after): Remove.
10348 (assign_parms): Consult optimize not obey_regdecls.
10349 (expand_function_start): Don't emit USEs for stupid.
10350 (expand_function_end): Likewise.
10351 * global.c (build_insn_chain): Export.
10352 * integrate.c (expand_inline_function): Kill return-value USE
10354 * jump.c (jump_optimize_1): Do simple jump optimizations and
10355 dead code elimination.
10356 (calculate_can_reach_end): Remove check_deleted argument.
10357 (delete_insn): Patch out insns even when not optimizing.
10358 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10359 * rtl.h (use_variable, use_variable_after): Remove declarations.
10360 (build_insn_chain): Declare.
10361 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10362 (expand_end_bindings): Likewise.
10363 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10364 * toplev.c (obey_regdecls): Remove.
10365 (rest_of_compilation): Don't set it. Kill stupid in favour of
10366 flow1, local-alloc, and reload.
10367 (main): Don't set obey_regdecls.
10369 * config/nextstep.c (handle_pragma): Likewise.
10371 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10373 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10375 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10377 * alpha-protos.h: PROTO -> PARAMS.
10378 * alpha.c: Likewise.
10380 * h8300.c: Likewise.
10381 * i386-protos.h: Likewise.
10382 * i386.c: Likewise.
10383 * m32r-protos.h: Likewise.
10384 * m32r.c: Likewise.
10385 * mips.c: Likewise.
10386 * mips.md: Likewise.
10387 * gmon-sol2.c: Likewise.
10388 * sparc.c: Likewise.
10390 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10392 * ns32k-protos.h: New file.
10394 * ns32k.c: Fix compile time warnings.
10396 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10399 * ns32k.md: Likewise.
10401 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10403 * vax-protos.h: New file.
10405 * vax.c: Fix compile time warnings.
10407 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10410 * vax.md: Likewise.
10412 * vaxv.md: Likewise.
10414 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10416 * romp-protos.h: New file.
10418 * romp.c: Fix compile time warnings.
10420 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10423 * romp.md: Likewise.
10425 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10427 * we32k-protos.h: New file.
10429 * we32k.c: Fix compile time warnings.
10431 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10434 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10436 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10438 * except.c (eh_regs): Likewise.
10440 * final.c (output_operand): Likewise.
10442 * fold-const.c (target_isinf, target_isnan): Likewise.
10444 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10446 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10447 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10449 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10450 when optimize_size.
10451 (clrstrsi): Rewrite.
10452 (strsethi, strsetqi): New expanders.
10453 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10454 (cmpstrsi): Emit compare insn before cmpstrsi_1
10455 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10456 (strlensi_1): Likewise.
10457 (cmpstrsi_1): Likewise; do not output compare.
10458 (strlen expander): Do not unroll when optimizing for size.
10459 (*subsi3_carry): Rename to subsi3_carry
10460 (addqi3_cc): New pattern.
10461 * i386.h (processor_costs): Add move_ratio field.
10462 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10463 * i386.c (*_cost): Set move_ratio.
10464 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10465 (x86_expand_strlensi_1): Rewrite the main loop.
10467 2000-01-17 Richard Henderson <rth@cygnus.com>
10469 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10470 * cse.c (find_comparison_args, fold_rtx): Likewise.
10471 * integrate.c (subst_constants): Likewise.
10472 * loop.c (get_condition): Likewise.
10474 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10476 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10478 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10480 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10481 (RESTORE_WARN_FLAGS): Unpack it.
10482 Change semantic type of extension to ttype.
10483 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10484 * c-parse.y, c-parse.c, objc/objc-parse.y,
10485 objc/objc-parse.c: Regenerate.
10487 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10489 * fixinc/fixlib.c: Add copyright notice.
10490 (compile_re): New function.
10491 * fixinc/fixlib.h: Prototype compile_re.
10493 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10494 Use compile_re to compile regular expressions.
10496 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10497 where the pattern matched.
10499 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10501 (ultrix_ansi_compat): Likewise.
10502 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10504 (interactv_add2, interactv_add3): Delete.
10505 (x11_sprintf): Don't use filename glob.
10506 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10509 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10511 * print-rtl.c: PROTO -> PARAMS.
10512 * real.c: Likewise.
10513 * reg-stack.c: Likewise.
10514 * resource.c: Likewise.
10515 * sdbout.h: Likewise.
10516 * simplify-rtx.c: Likewise.
10517 * stor-layout.c: Likewise.
10518 * stupid.c: Likewise.
10519 * xcoffout.c: Likewise.
10520 * xcoffout.h: Likewise.
10522 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10524 * toplev.c: PROTO -> PARAMS.
10525 * toplev.h: Likewise.
10526 * tree.c: Likewise.
10527 * tree.h: Likewise.
10528 * unroll.c: Likewise.
10529 * varasm.c: Likewise.
10530 * varray.c: Likewise.
10531 * varray.h: Likewise.
10533 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10535 * reload.c: PROTO -> PARAMS.
10536 * reload.h: Likewise.
10537 * reload1.c: Likewise.
10538 * reorg.c: Likewise.
10539 * resource.h: Likewise.
10542 * rtlanal.c: Likewise.
10543 * sbitmap.h: Likewise.
10544 * sdbout.c: Likewise.
10545 * stack.h: Likewise.
10546 * stmt.c: Likewise.
10547 * system.h: Likewise.
10549 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10551 * machmode.h: PROTO -> PARAMS.
10552 * mbchar.h: Likewise.
10553 * mips-tdump.c: Likewise.
10554 * mips-tfile.c: Likewise.
10555 * optabs.c: Likewise.
10556 * output.h: Likewise.
10557 * prefix.c: Likewise.
10558 * profile.c: Likewise.
10559 * protoize.c: Likewise.
10560 * real.h: Likewise.
10561 * recog.c: Likewise.
10562 * recog.h: Likewise.
10563 * regclass.c: Likewise.
10564 * regmove.c: Likewise.
10565 * regs.h: Likewise.
10567 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10569 * ggc-common.c: PROTO -> PARAMS.
10570 * ggc-page.c: Likewise.
10571 * ggc-simple.c: Likewise.
10573 * global.c: Likewise.
10574 * graph.c: Likewise.
10575 * gthr-win32.h: Likewise.
10576 * haifa-sched.c: Likewise.
10577 * halfpic.h: Likewise.
10578 * integrate.c: Likewise.
10579 * integrate.h: Likewise.
10580 * jump.c: Likewise.
10582 * local-alloc.c: Likewise.
10583 * loop.c: Likewise.
10584 * loop.h: Likewise.
10586 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10588 * genattr.c: PROTO -> PARAMS.
10589 * genattrtab.c: Likewise.
10590 * gencheck.c: Likewise.
10591 * gencodes.c: Likewise.
10592 * genconfig.c: Likewise.
10593 * genemit.c: Likewise.
10594 * genextract.c: Likewise.
10595 * genflags.c: Likewise.
10596 * gengenrtl.c: Likewise.
10597 * genopinit.c: Likewise.
10598 * genoutput.c: Likewise.
10599 * genpeep.c: Likewise.
10600 * genrecog.c: Likewise.
10602 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10604 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10606 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10608 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10609 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10610 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10611 * configure, config.in: Rebuilt.
10613 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10615 * config/i386/i386.md: Add peephole to merge successive stack
10618 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10620 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10621 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10622 when walking backwards to find all the parameter loads when
10623 the basic block ends in a call.
10625 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10627 * loop.c (this_loop_info): Delete.
10628 (uid_loop): Add in place of uid_loop_num. All uses updated.
10629 (loop_number_exit_count): Delete and replace with entry in loop
10630 structure. All uses updated.
10631 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10632 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10633 (loop_outer_loop): Likewise.
10634 (loop_invalid, loop_number_exit_labels): Likewise.
10635 (loop_used_count_register): Delete and replace with entry in
10636 loop_info structure.
10637 (find_and_verify_loops): Add loops argument.
10638 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10639 loop_end, etc. arguments with loop structure pointer. All callers
10641 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10642 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10643 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10644 (insert_bct): Likewise.
10645 (basic_induction_var): New argument level.
10646 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10647 vtop, and cont. Add used_count_register.
10648 (uid_loop): Delete declaration.
10649 (loop_number_exit_count): Likewise.
10650 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10651 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10652 (loop_outer_loop, loop_used_count_register): Likewise.
10653 (loop_invalid, loop_number_exit_labels): Likewise.
10654 (unroll_loop): Replace loop_start and loop_end arguments
10655 with loop structure pointer.
10656 (loop_precondition_p, loop_iterations): Likewise.
10657 Include basic-block.h.
10658 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10659 with loop structure pointer.
10660 (loop_precondition_p, loop_iterations): Likewise.
10661 * basic-block.h (struct loop): New entries vtop, cont,
10662 cont_dominator, start, end, top, scan_start, exit_labels,
10664 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10666 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10668 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10670 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10672 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10674 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10676 * pdp11-protos.h: New file.
10678 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10681 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10684 * pdp11.md: Likewise.
10686 * 2bsd.h: Likewise.
10688 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10690 * mn10300-protos.h: New file.
10692 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10695 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10698 * mn10300.md: Likewise.
10700 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10702 * mn10200-protos.h: New file.
10704 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10707 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10710 * mn10200.md: Likewise.
10712 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10714 * h8300-protos.h: New file.
10716 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10719 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10722 * h8300.md: Likewise.
10724 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10726 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10727 (asm_emit_uninitialised): Likewise.
10729 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10731 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10732 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10734 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10736 * config/mips/mips.c (override_options): Don't turn on extra
10737 alignment for mips16.
10739 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10741 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10742 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10745 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10747 * builtins.c (PAD_VARARGS_DOWN): Define.
10748 (std_expand_builtin_va_arg): Use the above macro.
10749 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10750 * tm.texi (Register Arguments): Document the above macro.
10752 2000-01-14 Nick Clifton <nickc@cygnus.com>
10754 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10755 that this function has not been used to emit a jump
10758 * jump.c (return_jump_1): Cope with being passed a null rtx.
10760 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10762 * eh-common.h: PROTO -> PARAMS.
10763 * emit-rtl.c: Likewise.
10764 * errors.c: Likewise.
10765 * errors.h: Likewise.
10766 * except.c: Likewise.
10767 * except.h: Likewise.
10768 * explow.c: Likewise.
10769 * expmed.c: Likewise.
10770 * expr.c: Likewise.
10771 * expr.h: Likewise.
10772 * final.c: Likewise.
10773 * fix-header.c: Likewise.
10774 * flow.c: Likewise.
10775 * fold-const.c: Likewise.
10776 * function.c: Likewise.
10777 * function.h: Likewise.
10779 * gcov-io.h: Likewise.
10780 * gcov.c: Likewise.
10781 * gcse.c: Likewise.
10783 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10785 * sh-protos.h: New file.
10787 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10788 Add static prototypes. Fix compile time warnings.
10790 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10794 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10796 * arc-protos.h: New file.
10798 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10801 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10804 * arc.md: Likewise.
10806 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10808 * dsp16xx-protos.h: New file.
10810 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10813 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10816 * dsp16xx.md: Likewise.
10818 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10820 * convex-protos.h: New file.
10822 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10825 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10828 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10830 * elxsi-protos.h: New file.
10832 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10835 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10838 * elxsi.md: Likewise.
10840 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10842 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10843 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10844 match the comment for MIPS16.
10846 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10848 * flow.c (split_edge): Do not call set_block_for_insn if we
10849 do not have a basic_block_for_insn structure.
10851 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10852 and destination functions are 32bit aligned within the trampoline.
10853 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10854 (TRAMPOLINE_ALIGNMENT): Define.
10856 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10857 (set (pc) (label_ref)), verify the change creates a valid insn.
10859 * fr30.c (call_operand): Tighten and rework to match rules for
10860 call RTL expressions.
10861 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10862 * fr30.md (call patterns): Improve constraints.
10864 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10866 * fr30.c (fr30_expand_epilogue): Revert last change.
10867 Use emit_jump_insn for the return insn.
10869 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10870 Stan Cox <scox@cygnus.com>
10872 * predict.c: New file. Preliminary infrastructure work for static
10873 branch prediction and basic block reordering.
10874 * basic-block.h: Add prototype for estimate_probability.
10875 * Makefile.in: Add rules for predict.o.
10877 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10879 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10880 * fixinc/*: Likewise.
10882 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10884 * cccp.c: PROTO -> PARAMS.
10885 * cexp.y: Likewise.
10886 * collect2.c: Likewise.
10887 * combine.c: Likewise.
10888 * convert.h: Likewise.
10890 * dbxout.c: Likewise.
10891 * dbxout.h: Likewise.
10892 * diagnostic.c: Likewise.
10893 * doprint.c: Likewise.
10894 * dwarf2out.c: Likewise.
10895 * dwarf2out.h: Likewise.
10896 * dwarfout.c: Likewise.
10897 * dwarfout.h: Likewise.
10898 * dyn-string.h: Likewise.
10900 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10902 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10903 macro conditionals guarding use.
10905 * dwarf2out.c: Include "tm_p.h".
10907 * function.c (locate_and_pad_parm): Mark parameter with
10909 (expand_function_end): Likewise for variable `context'.
10911 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10913 2000-01-13 Nick Clifton <nickc@cygnus.com>
10915 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10916 register to prevent compile time warnings.
10918 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10920 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10921 to avoid -Wtraditional warning.
10923 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10925 * 1750a-protos.h: New file.
10927 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10930 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10933 * 1750a.md: Likewise.
10935 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10937 * a29k-protos.h: New file.
10939 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10942 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10945 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10947 * clipper-protos.h: New file.
10949 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10952 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10955 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10957 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10959 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10961 * configure.in (--enable-new-gxx-abi): New option.
10962 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10963 * Makefile.in (GXX_ABI_FLAG): New variable.
10964 * configure: Regenerate.
10966 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10968 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10969 * tm.texi (FORCE_STRUCT_BLK): Document.
10970 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10972 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10974 * config/ns32k/ns32k.md: Revert Jan 9 change.
10976 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10977 to a mode-test, if the predicate is address_operand.
10979 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10981 * combine.c (if_then_else_cond): Be careful about what kinds
10982 of RTL expressions are passed to operand_subword.
10984 * flow.c (split_edge): If we have to insert a new jump, make
10985 sure to associate it with a basic block.
10987 * flow.c (commit_one_edge_insertion): A block with one successor
10988 can end in a JUMP_INSN that is not a simplejump.
10990 2000-01-12 Robert Lipe <robertl@sco.com>
10992 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10993 (BUILD_VA_LIST_TYPE): Define.
10994 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10997 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10999 * cccp.c (do_pragma): Add cast to (char *).
11001 2000-01-12 Richard Henderson <rth@cygnus.com>
11002 Fred Fish <fnf@be.com>
11003 Jason Merrill <jason@cygnus.com>
11005 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11006 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11007 * i386/beos-elf.h, i386/beos-pe.h: New files.
11009 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11010 * cross-make (SYSTEM_HEADER_DIR): Define using
11011 CROSS_SYSTEM_HEADER_DIR.
11013 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11014 (process_command): Use it.
11015 (main): Likewise. Kill trailing = from env vars.
11016 (build_search_list): Put it back.
11017 * collect2.c (main): Use LIBRARY_PATH_ENV.
11019 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11020 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11022 * tm.texi (Frame Layout): Document SMALL_STACK.
11023 * c-common.c (c_common_nodes_and_builtins): Check it.
11025 * system.h: Undef alloca after including glibc's <stdlib.h>,
11026 if USE_C_ALLOCA is defined.
11028 * gcc.c (set_input): New fn.
11029 (main): After all input files are compiled, reset the input file
11032 * aclocal.m4 (rindex, index): If already defined, don't attempt
11035 * ginclude/varargs.h: (__va_list__): Define ifndef.
11036 * ginclude/stdarg.h: Likewise.
11038 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11039 instead of unsigned char.
11041 * hash.h (true, false, boolean): Undef before enum.
11043 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11044 proper type of "HOST_WIDE_INT *", rather than their natural type of
11045 "unsigned HOST_WIDE_INT *".
11047 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11049 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11051 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11053 * regclass.c (choose_hard_reg_mode): Likewise.
11055 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11057 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11059 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11061 * c-common.c: PROTO -> PARAMS.
11062 * c-common.h: Likewise.
11063 * c-decl.c: Likewise.
11064 * c-iterate.c: Likewise.
11065 * c-lang.c: Likewise.
11066 * c-lex.c: Likewise.
11067 * c-lex.h: Likewise.
11068 * c-parse.in: Likewise.
11069 * c-pragma.c: Likewise.
11070 * c-pragma.h: Likewise.
11071 * c-tree.h: Likewise.
11072 * c-typeck.c: Likewise.
11073 * objc/objc-act.c: Likewise.
11074 * objc/objc-act.h: Likewise.
11076 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11078 * m88k-protos.h: New file.
11080 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11083 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11085 * m88k.md: Likewise.
11087 * tekXD88.h: Likewise.
11089 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11091 * m68k-protos.h: New file.
11093 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11096 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11098 * mot3300.h: Likewise.
11100 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11102 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11104 (extract_bitlist): Declare bitlen.
11106 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11108 * cccp.c: Accept and ignore -lang-fortran.
11110 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11111 qualifiers don't match at any level of pointerness.
11113 2000-01-12 Robert Lipe <robertl@sco.com>
11115 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11117 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11119 * reload1.c (reload_reg_unavailable): New static variable.
11120 (reload_reg_free_p): Test it.
11121 (reload_reg_free_for_value_p): Test it instead of
11123 (choose_reload_regs_init): Compute it.
11125 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11127 * reorg.c (fill_slots_from_thread): Check modified_in_p
11130 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11132 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11133 these nodes even if INTERNALS is not set.
11135 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11137 * gcse.c (delete_null_pointer_checks_1): Cope when
11138 get_condition cannot determine the condition.
11140 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11142 * toplev.h (set_message_length): Declare.
11144 * diagnostic.c (obstack_chunk_alloc): Define macro.
11145 (obstack_chunk_free): Likewise.
11146 (struct output_buffer): New data structure.
11147 (vmessage): Remove.
11148 (output_maximum_width): New variable.
11149 (doing_line_wrapping, set_message_length, init_output_buffer,
11150 get_output_prefix, output_space_left, emit_output_prefix,
11151 output_newline, output_append, output_puts, dump_output,
11152 vbuild_message_string, build_message_string, build_location_prefix,
11153 voutput_notice, output_printf, line_wrapper_printf,
11154 vline_wrapper_message_with_location): New functions. Implement
11155 automatic line wrapping.
11156 (v_message_with_decl): Make it handle automatic line wrapping.
11157 (v_error_with_file_and_line): Likewise.
11158 (v_warning_with_file_and_line): Likewise.
11159 (announce_function): Likewise.
11160 (default_print_error_function): Likewise.
11162 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11164 * cpplib.h (struct cpp_options): Change lang_asm to char.
11166 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11167 done in cpp_handle_option now.
11168 (initialize_builtins): Take out special case code used only by
11170 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11171 if -traditional. Recognize -lang-fortran and set
11172 lang_fortran, also turn off cplusplus_comments.
11173 (print_help): Document -lang-fortran.
11174 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11175 lang_asm. Ignore all directives other than `# 123 "file"' if
11177 (cpp_get_token): If -traditional, don't recognize directives
11178 unless the # is in column 1.
11179 (parse_string): If lang_fortran or lang_asm, silently
11180 terminate strings ('' or "") at end of line.
11181 Remove unnecessary braces.
11183 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11184 Richard Henderson <rth@cygnus.com>
11186 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11188 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11189 strict_low_part when possible.
11191 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11193 * alias.c: PROTO -> PARAMS.
11194 * basic-block.h: Likewise.
11195 * bitmap.c: Likewise.
11196 * bitmap.h: Likewise.
11197 * builtins.c: Likewise.
11198 * c-aux-info.c: Likewise.
11199 * caller-save.c: Likewise.
11200 * calls.c: Likewise.
11202 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11204 * Makefile.in (toplev.o): Depend on regs.h.
11206 * output.h (tdesc_section): Prototype.
11208 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11210 * sdbout.c: Include "tm_p.h".
11212 * toplev.c: Include "regs.h".
11214 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11216 * unroll.c (unroll_loop): Add EH support.
11218 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11220 * pa-protos.h: New file.
11222 * pa.c: Include recog.h and tm_p.h.
11223 (compute_zdepwi_operands, compute_movstrsi_length,
11224 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11225 find_addr_reg, import_milli): Add static prototypes.
11226 (pa_cpu_string, pa_arch_string): Constify a char*.
11227 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11228 (read_only_operand): Add argument `mode'.
11229 (singlemove_string, output_move_double, output_fp_move_double,
11230 output_block_move, output_and, output_ior, output_ascii,
11231 remove_useless_addtr_insns, milli_names, output_mul_insn,
11232 output_div_insn, output_mod_insn, output_arg_descriptor,
11233 output_cbranch, output_bb, output_bvb, output_dbra, ,
11234 output_millicode_call, output_call, hppa_encode_label,
11235 output_parallel_movb, output_parallel_addb): Constify a char*.
11236 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11237 (output_parallel_addb): Remove extra arg to `constrain_operands'
11239 * pa.h: Move all prototypes to pa-protos.h.
11240 (pa_cpu_string, pa_arch_string): Constify a char*.
11241 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11243 * pa.md: Call `function_label_operand' with mode argument.
11244 Likewise for `read_only_operand'.
11245 Fix nesting of parens in call to `symbolic_operand'.
11247 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * i860-protos.h: New file.
11251 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11254 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11256 * i860.md: Likewise.
11258 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11260 * i386.md (movstrsi expander): Rewrite.
11261 (movstrsi_1 insn): Deleted.
11262 (strmovhi, strmovqi expander): New expanders.
11263 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11264 * i386.c (x86_single_stringop): New global variable.
11265 * i386.h (x86_single_stringop): Declare.
11266 (TARGET_SINGLE_STRINGOP): New macro.
11268 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11270 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11271 integer vararg POSTINCREMENT before the destination of the jump
11272 for the hard fp case.
11273 (function_arg_pass_by_reference): Pass a copy of CUM to
11276 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11277 for CONSTANT_ADDRESS_P above while loop for subreg.
11279 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11281 * flow.c (propagate_block): When a prologue/epilogue insn
11282 is marked dead, unconditionally clear libcall_is_dead and
11283 insn_is_dead, and only dump rtl if warnings aren't being
11286 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11288 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11289 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11290 (FIXED_REGISTERS): Set dirflag as fixed.
11291 (CALL_USED_REGISTERS): Set dirflag as used.
11292 (REG_ALLOC_ORDER): Set dirflag as last one.
11293 (DIRFLAG_REG): New macro.
11294 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11295 (HI_REGISTER_NAMES): Add dirflag.
11296 (DEBUF_PRINT_REG): Handle dirflag.
11297 * i386.md (type attribute): New cld and str types.
11298 (length_opcode attribute): Set cld and str to 1.
11299 (memory attribute): Set str to unknown - it is not clear from the
11301 (pent_np function unit): Prefixed string operations takes 12 cycles
11302 minimally; cld takes 2 cycles.
11303 (ppro_uops attribute): Str is "many" and cld is "few".
11304 (ppro_p0 unit): Handle cld here.
11305 (k6_alux unit): Handle cld and str types.
11306 (k6_load unit): It is ocupied by str opcodes.
11307 (k6_store unit): It is ocupied by str opcodes.
11308 (athlon_decode): Str is vector decoded.
11309 (athlon_ieu): Handle str and cld.
11310 (cld pattern): New.
11311 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11312 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11313 cmpstrsi_nz_1 insn): Do not output cld instruction
11315 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11317 * gcc.texi (G++ and GCC): Add Java and Chill.
11318 (Bug Critera): Don't list languages.
11320 * gcc.texi (Incompatibilities): No longer claim most C compilers
11323 * gcc.texi (G++ and GCC): Update other front-ends list.
11325 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11327 * i386.c (ix86_expand_setcc): Fix typo.
11328 (ix86_expand_movcc): Similarly.
11330 * Band-aid until haifa's bitset implementation is nuked.
11331 * haifa-sched.c (extract_bitlst): New parameter for size of the
11332 bitset in bits. All callers changed. Avoid looking at undefined
11333 bits in the bitset.
11334 (edgeset_bitsize): New variable.
11335 (schedule_region): Initialize edgeset_bitsize.
11337 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11339 * Makefile.in (optabs.o): Depend on real.h
11340 (resource.o): Depend on insn-attr.h
11342 * builtins.c (result_vector): Wrap prototype in macro conditions
11343 governing definition and use.
11345 * c-common.c: Include tm_p.h.
11347 * c-lex.c: Likewise.
11349 * elfos.h: Constify a char*.
11351 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11352 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11353 parameter with ATTRIBUTE_UNUSED.
11355 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11358 * haifa-sched.c (schedule_insns): Mark parameter with
11361 * optabs.c: Include real.h.
11363 * real.h (ereal_atof): Add prototype arguments.
11365 * resource.c: Include insn-attr.h.
11367 * sdbout.c (sdbout_queue_anonymous_type,
11368 sdbout_dequeue_anonymous_types): Wrap in macro
11369 SDB_ALLOW_FORWARD_REFERENCES.
11370 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11373 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11375 * stupid.c: Include tm_p.h.
11377 * tree.c (real_value_from_int_cst): Mark parameter with
11380 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11382 * i960-protos.h: New file.
11384 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11387 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11389 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11391 * combine.c (expand_field_assignment): Do not discard SUBREGs
11392 while computing nonzero_bits.
11394 2000-01-09 Nick Clifton <nickc@cygnus.com>
11396 * config/arm/arm.c: Fix compile time warnings about signed vs
11397 unsigned constants.
11398 * config/arm/arm.h: Fix compile time warnings about signed vs
11399 unsigned constants.
11401 2000-01-09 Philip Blundell <philb@gnu.org>
11403 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11404 than `ldm' with only one register.
11405 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11408 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11411 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11413 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11416 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11418 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11419 assignment used as truth value.
11421 * function.c (assign_temp): Mark parameter `dont_promote' with
11422 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11423 PROMOTE_FOR_CALL_ONLY.
11425 * genrecog.c (write_subroutine): Mark variable `operands' with
11428 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11431 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11432 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11434 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11437 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11439 * config/c4x.h: Tidy up comments.
11440 * config/c4x.c: Likewise.
11442 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11444 * fold-const.c (lshift_double, rshift_double): Handle
11445 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11447 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11449 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11450 in prepare_function_start().
11452 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11454 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11455 longer allocate extra stack for function calls.
11457 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11459 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11461 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11463 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11465 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11467 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11468 * aix43.h: Revert Aug 2 change.
11469 (HAS_INIT_SECTION): Define, not visible yet.
11470 (LD_INIT_SWITCH): Define, not visible yet.
11471 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11473 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11475 * collect2.c (main): Expand ld2 size further.
11476 (export_object_lst): Cast assignment to avoid warning.
11477 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11478 (scan_prog_file, COFF): Do not collect initialization or
11479 finalization functions generated for entire shared object if
11480 init/fini support present.
11482 2000-01-07 Nick Clifton <nickc@cygnus.com>
11484 * config/elfos.h: Tidy up formatting of marcos. Make sure
11485 that .section directives are always prefixed by a tab.
11487 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11490 2000-01-07 Matt Austern <austern@sgi.com>
11492 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11495 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11497 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11499 (crtbegin.o, s-crtS): Likewise.
11501 2000-01-06 Richard Henderson <rth@cygnus.com>
11503 * alpha.md (adddi_2+1): Limit offset such that it will be
11504 loadable with a single ldah+lda pair.
11505 (adddi_2+2): Explicitly fail split if we can't make it work.
11507 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11509 * protoize.c: Conditionally include unistd.h.
11510 (IS_SAME_PATH_CHAR): New macro.
11511 (IS_SAME_PATH): New macro.
11512 (CPLUS_FILE_SUFFIX): New macro.
11513 (cplus_suffix): New static variable.
11514 (is_abspath): New static function.
11515 (in_system_include_dir): Handle DOS style pathnames.
11516 (file_could_be_converted): Likewise.
11517 (file_normally_convertible): Likewise.
11518 (directory_specified_p): Likewise.
11519 (file_excluded_p): Likewise.
11520 (abspath): Likewise.
11521 (shortpath): Likewise.
11522 (referenced_file_is_newer): Likewise.
11523 (save_def_or_dec): Likewise.
11524 (do_processing): Likewise.
11526 (edit_file): Likewise. Use rename instead of link.
11527 (rename_c_file): Likewise. Don't rename syscalls file.
11528 (munge_compile_params): Define null device for DOS based systems.
11529 (process_aux_info_file): Use binary mode if appliable.
11530 (edit_file): Likewise.
11531 * invoke.texi (Running Protoize): Document C++ suffixes used.
11533 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11534 IS_DIR_SEPARATOR macros.
11535 * collect2.c: Likewise.
11536 * cppinit.c: Likewise.
11537 * dwarf2out.c: Likewise.
11539 * gcov.c: Likewise.
11540 * prefix.c: Likewise.
11542 * toplev.c: Likewise.
11543 * system.h: And move to here.
11545 * prefix.c (update_path): Fix typo in variable name.
11547 2000-01-06 Richard Henderson <rth@cygnus.com>
11549 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11550 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11551 (count_reg_sets_1, count_reg_references): Likewise.
11552 (flow_loops_level_compute): Start counting actual loop depth at 1.
11553 (flow_loops_find): Likewise.
11554 * local-alloc.c (update_equiv_regs): Likewise.
11555 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11557 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11559 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11560 FIRST_PSEUDO_REGISTER
11561 * dwarf2out.c: Don't include frame.h
11562 * dwarfout.c: Likewise
11563 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11566 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11568 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11571 * i386.c (movsf splitter): Fix typo in my last checkin.
11573 2000-01-05 Nick Clifton <nickc@cygnus.com>
11575 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11576 own definition of this macro.
11577 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11578 flag_data_sections or UNIQUE_SECTION_P are true.
11580 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11581 unitialised data decls.
11583 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11584 being called for uninitialised data.
11586 * config/i386/interix.c (i386_pe_unique_section): Cope with
11587 being called for uninitialised data.
11589 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11590 for uninitialised data.
11592 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11593 for uninitialised data.
11595 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11596 for uninitialised data.
11598 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11599 (UNIQUE_SECTION_P): Always generate a unique section if
11600 flag_data_sections is true.
11601 (UNIQUE_SECTION): Also generate unique sections for
11602 uninitialised data.
11603 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11604 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11607 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11609 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11612 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11614 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11615 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11616 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11617 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11618 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11620 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11622 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11624 * c-decl.c (finish_enum): Simplify code to determine minimum and
11625 maximum values of the enum, and calculate the type. Remove check
11626 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11627 the DECL_INITIAL of each enumeration constant with a copy converted
11628 to the enumeration type. When updating variant types, don't bother
11629 updating the type itself.
11631 * c-typeck.c (build_binary_op): Simplify conditional expressions
11632 when weeding out spurious signed-unsigned warnings. Add new
11633 spurious warning category: if the unsigned quantity is an enum
11634 and its maximum value fits in signed_type(result_type). Update
11636 (build_conditional_expr): Warn here if one alternative is signed
11637 and the other is unsigned.
11639 2000-01-05 Nick Clifton <nickc@cygnus.com>
11641 * config/fr30/fr30.h: Remove extraneous comments.
11643 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11645 * reload1.c (choose_reload_regs): When disabling a reload, also
11646 set reload_spill_index to -1.
11648 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11650 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11652 (m68*-*-rtemself*): New target.
11653 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11654 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11655 (sparc*-*-rtemself*): New target.
11656 (sparc*-*-rtems*): Now elf not a.out.
11657 * config/i386/rtems.h: Include config/rtems.h.
11658 * config/i386/rtemself.h: Include config/rtems.h.
11659 * config/i960/rtems.h: Include config/rtems.h.
11660 * config/m68k/rtems.h: Include config/rtems.h.
11661 * config/m68k/rtemself.h: Include config/rtems.h.
11662 * config/mips/rtems64.h: Include config/rtems.h.
11663 * config/pa/rtems.h: Include config/rtems.h.
11664 * config/rs6000/rtems.h: Include config/rtems.h.
11665 * config/sh/rtems.h: Include config/rtems.h.
11666 * config/sh/rtemself.h: Include config/rtems.h.
11667 * config/sparc/rtems.h: Include config/rtems.h.
11668 * config/sparc/rtemself.h: Include config/rtems.h
11670 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11672 * final.c (shorten_branches): Correctly compute length of
11673 asms without operands.
11675 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11677 * configure.in: Add pj target.
11678 * configure: Regenerate.
11679 * config/pj: New directory.
11680 * config/pj/lib1funcs.S: New file.
11681 * config/pj/linux.h: New file.
11682 * config/pj/pj.c: New file.
11683 * config/pj/pj.md: New file.
11684 * config/pj/pjl.h: New file.
11685 * config/pj/t-pj: New file.
11686 * config/pj/xm-pj.h: New file
11688 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11690 * toplev.c (rest_of_compilation): Run shorten-branches before
11693 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11695 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11696 macros so that they're consistent with their names.
11697 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11698 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11700 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11702 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11703 modified inadvertently.
11705 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11707 * configure.in (v850*-*-rtems*): New target.
11708 * configure: Regenerate.
11709 * config/v850/rtems.h: New file.
11711 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11713 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11714 (__gthread_key_create): Likewise.
11715 (__gthread_key_dtor): Likewise.
11716 (__gthread_once): Fix logic.
11717 (__gthread_key_delete): Cast away constness.
11719 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11720 * invoke.texi: Document.
11721 * i386/mingw32.h (CPP_SPEC): Use.
11722 (LIBGCC_SPEC): Likewise.
11723 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11725 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11727 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11728 (HANDLE_PRAGMA_PACK): Undefine.
11729 (SLOW_UNALIGNED_ACCESS): Define.
11731 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11733 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11734 to default definition.
11735 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11736 (store_fixed_bit_field): Call macro with word_mode and alignment.
11737 (extract_bit_field): Call macro with relevant mode and alignment.
11738 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11739 to default definition.
11740 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11742 (move_by_pieces_ninsns): Likewise.
11743 (clear_by_pieces): Likewise.
11744 (emit_push_insn): Likewise.
11745 (store_field): Call macro with relevant mode and alignment.
11746 (expand_expr): Likewise.
11747 (expand_expr_unaligned): Likewise.
11749 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11750 (SLOW_UNALIGNED_ACCESS): Define.
11751 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11752 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11753 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11754 (toc_section): Likewise and .toc pseudo-op.
11755 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11757 (TEXT_SECTION_ASM_OP): Likewise.
11758 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11761 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11762 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11763 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11764 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11765 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11767 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11769 * regclass.c: Revert my Jan 4 change to loop cost computation.
11771 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11773 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11776 2000-01-04 Stan Cox <scox@cygnus.com>
11778 * haifa-sched.c (build_control_flow): Change unreachable simple
11779 loop test to check if current block has only one predecessor.
11780 (find_rgns): Initialize degree. Use dest as degree index, not src.
11782 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11784 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11786 * calls.c (expand_call): Likewise for
11787 `old_stack_arg_under_construction'.
11789 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11791 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11794 * gcc.c (execute): Likewise for `ut' and `st'.
11796 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11798 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11800 * jump.c (jump_optimize_1): Likewise for `temp2'.
11802 * local-alloc.c (block_alloc): Likewise for `r1'.
11804 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11806 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11807 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11809 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11812 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11813 and `goal_earlyclobber'.
11815 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11817 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11819 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11821 * unroll.c (copy_loop_body): Likewise for `copy'.
11823 * varasm.c (output_constructor): Likewise for `byte'.
11825 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11827 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11828 all FP constants for constant->reg moves.
11829 (ix86_split_to_parts): Try to convert memory address into immediate
11830 when available in the constant pool.
11831 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11833 (LEGITIMATE_CONSTANT_P): Return 1.
11834 * i386.md (pushsf): New splitter to convert constant pool memory
11835 reference to immediate.
11836 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11839 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11841 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11842 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11843 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11844 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11845 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11847 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11849 * ginclude/stdbool.h: Support compilation as C++.
11851 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11853 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11855 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11857 * regclass.c (regclass): Properly compute loop_cost. Adjust
11860 * regclass.c: Fix minor whitespace problems.
11862 2000-01-03 Anthony Green <green@cygnus.com>
11864 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11865 Restore the pic register if required.
11867 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11869 * c-common.c (format_char_info): Update comment.
11870 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11871 was recognized. Emit warning for formats new in ISO C99 only
11872 if flag_isoc9x is not set.
11874 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11876 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11878 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11880 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11881 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11882 (make_compound_operation): Choose cheaper alternative between
11883 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11885 * regclass.c (op_costs): Remove global variable.
11886 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11887 (record_operand_costs): Break out from ...
11888 (scan_one_insn): ... here.
11889 (dump_regclass): Make dumps nicer.
11890 (regclass): Dump preferrences choosed and changes done during passes.
11892 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11894 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11896 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11898 * config/sparc/sparc.c (gen_df_reg): New function.
11899 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11900 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11901 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11902 movtf_cc_reg_sp64+1): Use it.
11904 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11906 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11907 copied LABEL_DECLs.
11909 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11911 * config/i386/i386.c (ix86_expand_unary_operator): Function
11912 definition made void.
11913 (ix86_expand_binary_operator): Update outdated preceding comment.
11914 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11917 * config/i386/i386.c (override_options): Fix option-name typo.
11919 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11921 * system.h (CEIL): Define.
11922 * builtins.c (CEIL): Remove.
11923 * expmed.c (CEIL): Likewise.
11924 * expr.c (CEIL): Likewise.
11925 * stor-layout.c (CEIL): Likewise.
11927 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11929 * expr.c (store_constructor_field): Fix typo introduced with last
11932 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11934 * tree.h (BINFO_N_BASETYPES): New macro.
11936 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11938 * expmed.c (emit_store_flag): Prevent losing a pending stack
11939 adjust the same way we prevent losing queued increments.
11941 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11943 * function.c (update_temp_slot_address): Handle case where sum of
11944 temporary address plus offset in register is a valid address.
11946 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11948 * genrecog.c (change_state) Corrected typo.
11950 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11952 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11953 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11954 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11956 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11958 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11959 case, expand GT comparisons correctly. Fix a comment before this
11962 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11964 * dwarfout.c: Include "frame.h"
11965 * dwarf2out.c: Likewise.
11966 * Makefile.in (dwarfout.o): Depend on frame.h
11967 (dwarf2out.o): Likewise.
11969 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11971 Restore i386 binary compatibility in Dwarf EH info.
11972 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11973 value of FIRST_PSEUDO_REGISTER.
11974 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11975 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11976 * dwarfout.c (output_reg_number): Ditto.
11977 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11978 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11980 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11982 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11983 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11984 (<hack>_RE_CT): not needed
11985 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11986 rewritten to scan the file text once only
11987 "template<..." test added
11988 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11989 (is_cxx_header): declaration added
11990 * fixinc/fixtests.c(is_cxx_header): removed
11991 (apply_fix_p_t): removed
11992 (double_slash_test): is_cxx_header is only called once now
11993 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11994 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11995 within the templates.
11996 The borken spelling of "broken" was fixed.
11997 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11998 The default level depends on FIXINC_DEBUG.
12000 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12002 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12003 Otherwise provide a declaration for atexit.
12004 (init_dummy): Make sure dummy call to atexit is nevertheless
12005 called with correct number of args.
12007 * frame.c: Update comments referring to other files.
12009 * libgcc2.c: Likewise.
12011 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12013 * cse.c (free_element, get_element): Remove unused prototypes.
12015 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12018 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12021 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12023 * configure.in,configure: case arm for mn10200-*-* now sets
12024 float_format=i32 so that float.h will correctly claim "double"
12025 to be 32 bits. Ran autoconf to generate configure from .in file.
12027 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12029 * pa.md (conditional zero): If op1 is a register, force it into
12030 the same register as op0.
12032 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12034 * tree.h (BINFO_BASETYPES): Improve documentation.
12036 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12038 * configure.in (--enable-checking): Use a more portable `for'
12041 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12043 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12044 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12046 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12049 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12050 Delete descriptions.
12052 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12053 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12054 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12055 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12056 xm-svr4.h: Remove all instances of sys_siglist handling.
12058 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12060 * config/sparc/sparc.md (cmp_zero_qi,
12061 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12062 cmp_zero_extendqidi2_andcc_set): New patterns.
12064 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12066 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12067 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12068 (fpgnulib.c, xfgnulib.c): Add rules.
12069 * m68k/t-mot3300-gas: Likewise.
12071 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12073 * configure.in: Avoid [[ by using test and changequote. Add
12074 changequote required by 1999-12-14 change.
12075 * configure: Rebuild.
12077 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12079 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12081 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12083 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12084 * flow.c (find_use_as_address): Likewise.
12085 * function.c (fixup_var_refs_1): Likewise.
12086 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12087 * jump.c (invert_exp, redirect_exp): Likewise.
12088 * loop.c (replace_call_address): Likewise.
12089 (count_nonfixed_reads): Likewise.
12090 * rtlanal.c (modified_between_p): Likewise.
12091 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12092 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12093 * unroll.c (remap_split_bivs): Likewise.
12095 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12097 * diagnostic.c (v_message_with_decl): Use .* format specifier
12098 instead of building the format specifier width manually.
12100 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12101 determining whether to provide a prototype. Remove the
12102 sys_siglist clause in the conditional.
12104 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12106 * fold-const.c (operand_equal_p): Use memcmp to compare string
12108 Suggested by D. J. Bernstein
12110 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12112 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12113 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12115 * config/mips/mips.h (TARGET_64BIT): Likewise.
12116 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12117 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12118 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12119 dsps. Give routines proper names if SI/DI modes are not used.
12120 * longlong.h: Use DWunion instead of DIunion.
12122 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12124 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12125 GC_CHECKING, GC_ALWAYS_COLLECT.
12126 * configure.in: Allow --enable-checking with an argument
12127 listing check modes to enable.
12128 * config.in, configure: Rebuilt.
12129 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12130 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12131 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12132 ENABLE_GC_ALWAYS_COLLECT.
12133 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12135 * tree.h, tree.c: Change ENABLE_CHECKING to
12136 ENABLE_TREE_CHECKING throughout.
12138 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12140 * fold-const.c (fold_truthop): Properly check for FP RHS.
12142 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12144 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12145 * toplev.c (note_deferral_of_defined_inline_function): New
12146 function, split out from ...
12147 (rest_of_compilation): ... here. Use it.
12149 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12151 * expr.c (store_constructor): Don't call clear_storage if size is
12154 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12156 * Makefile.in (toplev.o): Depend on loop.h.
12158 * dwarfout.c: Include tm_p.h.
12160 * emit-rtl.c (restore_emit_status): Mark parameter with
12163 * final.c (final_scan_insn): Likewise.
12165 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12166 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12167 flow_depth_first_order_compute, flow_loop_pre_header_find,
12168 flow_loop_tree_node_add, flow_loops_tree_build,
12169 flow_loop_level_compute, flow_loops_level_compute,
12170 flow_loop_outside_edge_p): Add prototypes.
12171 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12173 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12174 Mark with ATTRIBUTE_NORETURN.
12176 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12178 * local-alloc.c (no_conflict_p): Likewise.
12180 * loop.c (insert_bct): Hide definitions of variables with hidden
12182 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12184 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12185 with ATTRIBUTE_UNUSED.
12186 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12187 (reg_scan): Likewise.
12189 * reload.c (find_reloads): Remove unused variables `changed'.
12191 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12193 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12194 Remove unused variable `insn'.
12196 * toplev.c: Include loop.h.
12197 (report_file_and_line): Remove unnecessary prototype.
12199 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12201 * unroll.c (biv_total_increment): Likewise.
12203 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12205 * reload1.c (emit_input_reload_insns): Restore old behaviour
12206 wrt. 'special' reloads.
12208 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12210 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12211 hash.h. (cse.c): Don't depend on hashtab.h.
12213 * cse.c: Don't include hashtab.h.
12214 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12216 * ggc-simple.c: Don't include hash.h.
12218 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12220 * dwarf2out.c (add_abstract_origin_attribute): Call
12221 gen_abstract_function on our function context.
12223 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12225 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12227 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12229 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12232 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12234 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12235 constraints to "a!r".
12237 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12239 * Makefile.in (calls.o): Depend on function.h.
12240 (alias.o): Likewise.
12242 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12244 * reload1.c (emit_reload_insns): Break out code and variables into...
12245 (input_reload_insns, other_input_address_reload_insns,
12246 other_input_reload_insns, input_address_reload_insns,
12247 inpaddr_address_reload_insns, output_reload_insns,
12248 output_address_reload_insns, outaddr_address_reload_insns,
12249 operand_reload_insns, other_operand_reload_insns,
12250 other_output_reload_insns): ... new static variables, and...
12251 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12252 do_output_reload): ... new functions.
12254 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12256 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12258 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12260 * md.texi: Add c4x constraints documentation.
12262 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12264 * config/i386/dgux.c (struct option): Rename to
12265 lang_independent_option.
12266 (struct m_options): Add description field.
12267 (output_options): Rename option type, add sep declaration, output
12268 ix86_cpu_string and ix86_arch_string only if set.
12269 (output_file_start): Rename option type.
12271 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12273 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12275 (libgcc2.a): Similarly.
12277 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12279 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12280 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12281 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12283 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12285 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12286 Remove redundant initialization of "frexpon" and "expon".
12288 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12290 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12292 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12293 (store_constructor_field, expand_expr): Pass new arg.
12295 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12297 * Makefile.in (explow.o): Depend on function.h.
12299 * stor-layout.c (set_sizetype): Fix typo.
12301 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12303 * function.c (cfun): Renamed from current_function. All users
12305 * function.h (cfun): Rename declaration as well.
12307 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12308 to be of type regset_head, not regset. All users changed by adding
12310 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12312 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12314 * config/c4x/rtems.h: New file.
12316 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12318 * reload1.c (spill_failure): Take class of failed reload as argument
12319 and print it. Caller changed.
12321 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12323 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12324 (TARGET_SWITCHES): Allow subtargets to default switches.
12325 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12327 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12329 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12332 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12334 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12335 * cppinit.c (cpp_handle_option): Likewise.
12337 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12338 determine when to define.
12340 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12342 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12343 cmove with mismatched test and data modes.
12345 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12347 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12350 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12352 * alias.c: Minor reformatting.
12353 * flow.c: Likewise.
12354 * regs.h: Likewise.
12355 * stor-layout.c: Likewise.
12356 * fold-const.c: Likewise.
12357 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12358 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12360 (size_int_wide): Cache nodes even if garbage collecting.
12361 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12362 of SAVE_EXPR has no side effects.
12363 * cse.c: Move a comment.
12364 * tree.c: Minor reformatting.
12365 (int_size_in_bytes): Return -1 if constant overflows.
12367 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12369 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12371 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12373 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12374 after any change to c-parse.in, even if objc-parse.y didn't
12377 1999-12-18 David S. Miller <davem@redhat.com>
12379 * toplev.c (rest_of_compilation): Restore BLOCK tree
12380 reconstruction and branch shortening changes lost in
12381 December 18th change.
12383 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12385 * config/arm/linux-elf.h: Change all instances of
12386 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12387 * config/arm/uclinux-elf.h: Likewise.
12389 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12391 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12392 v_message_with_decl, file_and_line_for_asm,
12393 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12394 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12395 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12396 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12397 pfatal_with_name, fatal_io_error, need_error_newline,
12398 last_error_function, last_error_tick, announce_function,
12399 default_print_error_function, print_error_function,
12400 report_error_function, fnotice, error_with_file_and_line,
12401 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12402 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12403 warning_with_decl, warning_for_asm, warning, pedwarn,
12404 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12406 (compile_file): Use fnotice instead of notice. Adjust call.
12408 * diagnostic.c: New file.
12410 * Makefile.in (OBJS): Include diagnostic.o
12411 (diagnostic.o): Define dependence.
12413 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12415 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12418 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12420 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12422 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12424 * fixtests.c (is_cxx_header): New fn, split out of
12426 (else_endif_label): Allow "#endif // comment" in C++ headers,
12427 as determined by is_cxx_header.
12428 * fixfixes.c (else_endif_label_fix): Update comment.
12429 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12431 * genfixes: Correct double thinko in commandline parsing.
12432 * hackshell.tpl: Generate correct sh syntax for bypass
12435 * inclhack.def (all): Whenever an inserted preprocessor
12436 conditional is split over multiple lines, use double
12437 backslashes in this file so the fixed header will be readable.
12439 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12440 and add bypass entry for correct version of this header.
12441 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12442 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12444 (hpux8_bogus_inlines): New fix, split from...
12445 (ultrix_atof_param) ... here.
12446 (math_expression): Add bypass entry keyed to glibc comment
12447 indicating the problem has been dealt with; disable
12448 unnecessary sed operations; update commentary.
12449 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12450 add select and bypass entries, simplify shell operation.
12451 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12453 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12454 ultrix_atof_param): Add select entry.
12455 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12456 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12457 comments with the fixes they describe.
12459 * c-parse.in (string action): Do not warn about ANSI string
12460 concatenation in system headers. Affects C parser only.
12461 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12463 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12465 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12466 compiling libgcc2 the macro depends always on arch cpp defines.
12468 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12470 * loop.c (insert_loop_mem): Don't record MEMs from inside
12473 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12475 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12477 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12478 notes too, create one when replacement failed, attempt to simplify
12480 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12481 or REG_EQUIV notes.
12483 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12485 * crtstuff.c (__dso_handle): Declare.
12486 (__cxa_finalize): Likewise.
12487 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12490 * invoke.texi: Document -fuse-cxa-atexit.
12492 * tree.h (ptr_type_node): Document.
12493 (const_ptr_type_node): Likewise.
12495 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12497 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12498 (optimize_reg_copy_2): Likewise.
12499 (optimize_reg_copy_3): Likewise.
12500 (fixup_match_2): Likewise.
12501 (regmove_optimize): Likewise.
12502 (fixup_match_1): Liekwise.
12504 * i386.md (HI to SImode promoting splitters): Rewrite.
12505 (pushsf mem peep2): New.
12506 (testhi to andhi peep2): Remove.
12507 * i386.h (x86_promote_QImode): New.
12508 (TARGET_PROMOTE_QImode): New.
12509 (PREDICATE_CODES): Add promotable_binary_operator.
12510 * i386.c (x86_promote_QImode0: New.
12511 (promotable_binary_operator): New.
12512 * i386-protos.h (promotable_binary_operator): New.
12514 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12516 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12518 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12520 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12521 * function.c (insert_block_after_note): Remove.
12522 (retrofit_block): Likewise.
12523 (identify_blocks): Fix indentation.
12524 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12525 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12526 * function.h (insert_block_after_note): Remove prototype.
12527 (retrofit_block): Likewise.
12528 * integrate.c (expand_inline_function): Don't call
12529 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12530 just expand_start_bindings. Use the block_map to remap old
12531 NOTE_BLOCKs to new ones.
12532 (integrate_decl_tree): Keep track of remapped blocks.
12533 * integrate.h (struct inline_remap): Add block_map.
12534 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12535 NOTE_BLOCK on the notes.
12536 (expand_start_bindings): Rename to ...
12537 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12538 (expand_end_bindings): Set NOTE_BLOCK.
12539 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12540 reconstruct the BLOCK tree.
12541 * tree.h (expand_start_bindings): Macroize. Call ...
12542 (expand_start_bindings_and_block): New function.
12544 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12546 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12547 to match the format.
12549 1999-12-16 David S. Miller <davem@redhat.com>
12551 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12552 the outputs is a SUBREG.
12553 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12556 * config/sparc/sparc.c (epilogue_renumber): Add default case
12559 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12561 * toplev.c (rest_of_compilation): Run branch shortening after
12564 * regclass.c (loop_depth): Remove
12565 (scan_one_insn): Do not handle LOOP_NOTE insns.
12566 (regclass): Go through basic blocks and set loop_cost
12568 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12570 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12572 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12574 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12575 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12576 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12578 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12580 * loop.c (insert_loop_mem): Ignore memory clobbers.
12582 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12585 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12587 * profile.c: Remove redundant #include "output.h".
12589 * h8300.md (HImode preinc peephole): Fix typo.
12591 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12593 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12594 (insert_block_after_note): Abort if we don't have a previous block.
12595 Remove FN parameter.
12596 * function.h: Adjust.
12598 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12600 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12601 argument more than once.
12603 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12605 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12607 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12609 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12611 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12613 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12614 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12615 update stack_alignment_needed.
12616 (prepare_function_start): Initialize stack_alignment_needed
12617 * function.h (struct function): Add field stack_alignment_needed.
12619 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12621 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12622 Handle live_throughout / dead_or_set instead of live_before /
12624 (save_call_clobbered_regs): Get register livenessinformation from
12625 chain->live_throughout.
12626 (add_stored_regs): New function.
12627 (insert_restore, insert_save): Add restored / saved registers to
12629 * global.c (reg_dies): New parameter chain.
12630 (reg_becomes_live): Third parameter is regs_set now.
12631 Changed all callers.
12632 (reg_dies): New parameter chain. Changed all callers.
12633 (build_insn_chain): Set live_throughout instead of
12634 live_before / live_after.
12635 * reload.h (struct insn_chain): Replace members live_before /
12636 live_after with live_throughout / dead_or_set.
12637 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12638 instead of live_before / live_after.
12639 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12640 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12641 (choose_reload_regs_init): Likewise.
12642 * stupid.c (current_chain, find_clobbered_regs): Delete.
12643 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12644 instead of chain->live_before / chain->live_after.
12645 (mark_hard_ref): New function.
12646 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12648 1999-12-15 David S. Miller <davem@redhat.com>
12650 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12652 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12654 * flow.c (calculate_loop_depth): Make global, remove prototype,
12655 rewrite to use new loop infrastructure.
12656 (find_basic_block): Remove calculate_loop_depth call.
12657 * toplev.c (rest_of_compilation): Call find_basic_block.
12658 * output.h (calculate_loop_depth): Declare.
12660 * flow.c (dump_flow_info): Dump loop_depth.
12661 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12663 (flow_loops_find): Initialize the loop_depth for each basic block.
12665 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12667 * tree.c (decl_function_context): Handle virtual functions.
12669 * tlink.c (scan_linker_output): Don't look in demangled name when
12670 looking for linker output keywords.
12672 * dwarfout.c (output_type): We can defer namespace-scope classes.
12674 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12676 * regclass.c (record_reg_classes): Update comment for merging
12677 register class preferences in reg->reg copies. Tighten conditions
12678 for merging register class preferences in reg->reg copies.
12680 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12682 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12684 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12686 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12687 (INIT_SECTION_ASM_OP): Delete.
12688 (FINI_SECTION_ASM_OP): Delete.
12689 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12691 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12693 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12694 the abstract origin wasn't emitted.
12696 * dwarf2out.c (class_scope_p): New fn.
12697 (gen_subprogram_die): Use it.
12698 (gen_variable_die): Use it. Tweak logic.
12699 (gen_struct_or_union_type_die): Check context_die to determine
12700 if we're function-local.
12701 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12703 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12705 * loop.c (check_dbra_loop): Can't reverse a biv that has
12706 maybe_multiple set.
12708 1999-12-14 Nick Clifton <nickc@cygnus.com>
12710 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12713 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12715 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12716 for givs made from biv increments.
12718 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12720 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12721 * alpha.c (override_options): Recognize -mcpu=ev67.
12722 * alpha.h (CPP_CPU_EV67_SPEC): New.
12723 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12724 (EXTRA_SPECS): Update.
12726 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12728 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12729 appropriate for -lang-c89 and -std=*.
12730 * cppinit.c (cpp_handle_option): Likewise.
12731 (new_pending_define): New, split out from cpp_handle_option.
12732 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12733 or enable trigraphs for -ansi/-std=*.
12735 * ginclude/stdarg.h (__va_copy): New.
12736 (va_copy): Don't define for C89.
12738 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12740 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12741 for long long multiply-accumulate.
12743 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12745 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12746 optimizing for size.
12748 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12750 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12751 if something changed. Back out that part of yesterday's changes.
12753 * loop.c (loop_max_reg): New static variable.
12754 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12756 (scan_loop): Call reg_scan_update whenever we may have added new
12757 registers, and update loop_max_reg.
12759 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12761 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12762 when source does not die.
12764 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12766 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12768 * config/sparc/linux64.h (TARGET_LIVE_G0,
12769 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12771 * config/sparc/linux.h (TARGET_LIVE_G0,
12772 TARGET_BROKEN_SAVERESTORE): Likewise.
12773 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12774 TARGET_BROKEN_SAVERESTORE): Likewise.
12776 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12777 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12779 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12780 as sparc64 block profiling register.
12781 * config/sparc/sparc.c (sparc_override_options): Allow block
12782 profiling with -m32.
12783 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12784 profiling register.
12785 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12786 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12787 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12789 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12791 * config/sparc/sparc.h: Likewise.
12792 * config/sparc/xm-sysv4-64.h: Likewise.
12793 * config/float-sparc.h: Likewise.
12794 * glimits.h: Likewise.
12795 * longlong.h: Likewise.
12797 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12798 (ASM_IDENTIFY_GCC): Remove.
12800 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12802 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12803 (simplify_logical): Likewise.
12805 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12807 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12808 * cppfiles.c (INO_T_EQ): Likewise.
12810 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12812 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12813 * i386/mingw32.h (LIB_SPEC): Likewise.
12814 (STARTFILE_SPEC): Likewise.
12815 * i386/uwin.h (LIB_SPEC): Likewise.
12816 (STARTFILE_SPEC): Likewise.
12818 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12819 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12821 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12823 * combine.c (combine_simplify_rtx): Fix order of checks for
12824 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12826 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12828 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12829 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12831 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12833 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12835 * regclass.c (inv_reg_alloc_order): New array.
12836 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12838 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12839 counted_for_groups, counted_for_nongroups. Add fields rld and
12841 * reload.c (push_secondary_reload): Don't set nongroup field of
12843 (push_reload): Likewise.
12844 (find_reloads): Delete code to compute nongroup fields.
12845 * reload1.c (reload_insn_firstobj): New static variable.
12846 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12848 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12849 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12850 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12852 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12854 (struct hard_reg_n_uses): Deleted.
12855 (potential_reload_regs): Deleted.
12856 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12857 (reload): Don't try to allocate reload registers if we already know
12858 we have to make another pass. Call select_reload_regs. Free memory
12859 starting with reload_firstobj when starting another pass.
12860 Don't allocate spilled_pseudos.
12861 (calculate_needs_all_insns): Call copy_reloads for an insn that
12862 needs reloads; don't call calculate_needs.
12863 (spill_cost): New static array.
12864 (used_spill_regs_local): New static variable.
12865 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12866 to compute potential_reload_regs.
12867 (find_reload_regs): Completely rewritten to use find_reg.
12868 (allocate_reload_reg): Don't test counted_for_groups or
12869 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12870 all cllers changed.
12871 (choose_reload_regs): Add fallback code that uses the existing
12872 register allocation from find_reload_regs.
12874 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12876 * flow.c (create_edge_list): Cast xmalloc return value.
12878 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12880 * doprnt.c: Remove incorrect comment closure.
12882 * cse.c: Fix a few minor whitespace goofs.
12884 1999-12-13 Don Bowman <don@pixstream.com>
12886 * mips/vxworks.h: Fix problem with comment termination.
12887 (EXTRA_SECTIONS): Add in_sbss.
12888 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12890 1999-12-12 David S. Miller <davem@redhat.com>
12892 * cse.c (struct cse_reg_info): Add hash_next member,
12893 reorder rest of struct for better packing on 64-bit
12895 (cse_reg_info_tree): Kill.
12896 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12897 REGHASH_FN): New custom pow2 hash mechanism.
12899 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12900 use a pow2 hash table.
12901 (get_cse_reg_info): Rework to use new REGHASH.
12902 (new_basic_block): Likewise, use HASH_SIZE, and inline
12904 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12905 and inline free_element call.
12906 (lookup_as_function, insert, flush_hash_table, invalidate,
12907 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12908 invalidate_for_call, use_related_value, find_comparison_args,
12909 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12910 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12911 get_element): Kill.
12913 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12915 * cse.c (cse_basic_block): Free qty_table consistently.
12917 1999-12-12 David S. Miller <davem@redhat.com>
12918 Jakub Jelinek <jakub@redhat.com>
12920 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12921 SUBREGs by hand, gen the appropriate hard reg directly.
12922 (movtf reg/mem split): Likewise and alter_subreg on destination
12924 (movtf mem/reg split): Similarly.
12925 (movdf_cc_sp64): Rename from hidden pattern.
12926 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12927 (movtf_cc_sp64, following split): New pattern and splitter.
12928 (movdf_cc_reg_sp64): Rename from hidden pattern.
12929 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12931 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12933 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12935 * loop.c (load_mems): Don't hoist written floating point mem
12938 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12940 * except.h (struct eh_queue): Add `next' pointer.
12941 (struct eh_status): Make x_ehqueue a pointer.
12942 (push_ehqueue): Declare.
12943 (pop_ehqueue): Likewise.
12944 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12946 (expand_fixup_region_end): Likewise.
12947 (expand_leftover_cleanups): Likewise.
12948 (push_ehqueue): Define.
12949 (pop_ehqueue): Likewise.
12950 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12951 than doing it inline.
12952 (expand_start_all_catch): Adjust now that ehqueue is a
12954 (mark_eh_queue): Mark all level of the queue.
12955 (mark_eh_status): Adjust now that ehqueue is a
12957 (init_eh_for_function): Allocate ehqueue.
12958 (free_eh_status): Free it.
12959 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12960 expansion for a fixup.
12962 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12964 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12966 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12967 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12968 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12969 function_ptr, getpagesize, __enable_execute_stack,
12970 __enable_execute_stack, __clear_insn_cache,
12971 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12972 _cleanup, _exit, __default_terminate, __terminate_func,
12973 __terminate, __empty, __throw, new_eh_context,
12974 eh_context_initialize, eh_context_static, eh_context_specific,
12975 get_eh_context, __get_eh_context, __get_eh_info,
12976 init_reg_size_table, eh_threads_initialize,
12977 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12978 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12979 __pure_virtual): Add prototype arguments.
12980 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12981 Cast a signed value to unsigned long when comparing against one.
12982 (new_eh_context): Wrap in _GTHREADS macro.
12983 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12985 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12986 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12988 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12990 * combine.c (record_promoted_value): Remove unused variable
12993 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12995 * global.c (record_conflicts): Likewise for `j'.
12997 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13000 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13002 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13003 output_fp_compare): Constify a char*.
13005 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13007 (override_options, ix86_comp_type_attributes, print_operand,
13008 output_387_binary_op, output_fix_trunc, output_fp_compare):
13010 (ix86_sched_reorder): Mark parameter `clock_var' with
13013 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13015 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13017 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13018 operand, for use in the Java front-end.
13020 1999-12-10 Ben Collins <bcollins@debian.org>
13022 * configure.in: Fix typo for "-64" in 64bit as check.
13023 * configure: Rebuilt.
13025 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13027 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13030 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13032 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13033 concatenation is utilized.
13035 * invoke.texi (-Wtraditional): Document it.
13037 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13039 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13040 Cast a ptrdiff_t to long and pass it to printf with %ld.
13042 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13044 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13045 68881, we have no 68881 registers at all.
13046 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13047 value in a 68881 register if it is available.
13049 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13051 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13052 for long long multiply-accumulate.
13054 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13056 * loop.c (insert_loop_mem): Undo last change.
13058 1999-12-10 David S. Miller <davem@redhat.com>
13060 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13062 * config/sparc/sparc-protos.h: Add them.
13063 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13064 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13065 constraints which use those helpers.
13066 (EXTRA_CONSTRAINT): Use this new macro.
13067 * md.texi: Update sparc target constraints documentation.
13068 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13069 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13070 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13071 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13072 (movsf high/lo_sum split): Rework for new patterns.
13073 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13075 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13077 * c-common.c (c_common_nodes_and_builtins):
13078 Create __builtin_ptrdiff_t and __builtin_size_t.
13080 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13082 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13084 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13086 * regclass.c (globalize_reg): Re-instate test that allows
13087 fixed registers to be declared as a variable even after functions
13090 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13092 * i386.md (cpu attribute): Add "athlon".
13093 (athlon_decode): New attribute.
13094 (Athlon scheduling units definitions): New.
13095 (fcmp and shld patterns): Set athlon_decode to "vector".
13096 * i386.c (athlon_cost): New.
13098 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13099 x86_use_sahf): Set for Athlon.
13100 (x86_use_fiop): Unset for Athlon.
13101 (override_options): Define Athlon alignments and "athlon" name.
13102 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13103 * i386.h (TARGET_ATHLON): New.
13104 (enum processor_type): Add PROCESSOR_ATHLON.
13105 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13107 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13109 1999-12-09 Andreas Jaeger <aj@suse.de>
13111 * loop.c (record_biv): Declare parameter as int.
13113 * config/i386/i386-protos.h: Declare long_memory_operand.
13115 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13117 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13118 EXPR_WITH_FILE_LOCATION.
13120 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13122 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13125 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13127 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13130 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13132 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13133 default on linux64 again.
13134 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13135 models for multilibing.
13136 * genmultilib: Accept | as alternative separator within a set in
13139 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13141 * calls.c (precompute_arguments): Make sure initial_value contains
13142 value pseudo which CSE expects.
13143 * cse.c (struct set): New entry orig_src.
13144 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13147 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13149 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13151 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13153 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13155 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13157 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13158 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13160 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13163 * longlong.h: Merge in changes from glibc.
13164 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13165 -mno-app-regs libgcc can be compiled.
13166 * libgcc2.c: Add defines so that the updated longlong.h
13167 can be used in libgcc2.a. Also, make sure on most architectures
13168 (at least on all which have optimized code in longlong.h defined
13169 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13171 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13173 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13174 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13175 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13177 * configure: Rebuilt.
13179 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13181 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13182 outputs require a register.
13184 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13186 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13187 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13188 functions like dptoul will be resolved.
13189 (libgcc2.a): Make sure that the object files from DPBIT are named
13190 differently (prefix `_dp') from those that would be coming from
13193 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13195 * configure.in: When target is sparc* and tm_file contains 64,
13196 test for 64bit support in assembler. If not supported, remove
13197 sparc/t-sol2-64 from target-dependent Makefile fragments.
13198 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13199 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13200 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13201 * acconfig.h (AS_SPARC64_FLAG): Added.
13202 * configure, config.in: Rebuilt.
13203 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13204 support. Use AS_SPARC64_FLAG.
13206 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13208 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13209 suitable for holding OFmode values so that gcc works with complex
13211 (hard_64bit_mode_classes): Likewise.
13213 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13214 so that it is actually matched.
13215 (sethi_di_medlow): Likewise.
13217 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13218 as legitimate constant if -mvis.
13219 * config/sparc/sparc.md (movtf): Likewise.
13220 (clear_sf): Use const_double_operand.
13221 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13223 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13224 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13225 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13226 routines, _Qp_* cannot be handled like that now.
13227 (INIT_TARGET_OPTABS): Likewise.
13228 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13229 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13230 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13231 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13232 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13233 divtf3, sqrttf3): New expanders.
13234 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13235 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13236 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13239 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13240 * configure: Rebuilt.
13241 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13242 -mcpu is given and we're doing 64bit compiles.
13244 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13246 * loop.h (struct induction): Add multi_insn_incr.
13247 * loop.c (basic_induction_var): New multi_insn_incr argument.
13248 Set it if we search back through previous insns for the biv.
13249 (record_biv): New multi_insn_incr argument; fill in struct induction.
13250 (strength_reduce): Discard an iv with multiple bivs, any of
13251 which require multiple insns to increment.
13253 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13255 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13258 1999-12-06 David S. Miller <davem@redhat.com>
13260 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13261 PROMOTE_FUNCTION_RETURN.
13263 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13265 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13266 and handle REG_UNUSED note on insn.
13268 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13269 inner_mask instead of mask.
13271 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13273 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13274 zero if there was an error.
13276 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13278 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13281 * longlong.h: Fix clobbers in SPARC asm statements.
13283 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13284 valid sethi operations when TARGET_ARCH64.
13286 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13287 always use move_by_pieces to avoid infinite recursion.
13288 (restore_fixed_argument_area): Likewise.
13290 * combine.c (check_promoted_subreg, record_promoted_value): New
13292 (combine_instructions): Use them to retain nonzero and sign bit
13293 information after SUBREGs are eliminated by optimizations in
13294 this pass if PROMOTE_FUNCTION_RETURN.
13296 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13297 .register declaration. Don't use variables with __ prefixes.
13299 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13301 * fold-const.c (optimize_bit_field_compare): Only use one mode
13302 for both RHS and LHS in non-constant case.
13304 1999-12-06 Nathan Sidwell <nathan@acm.org>
13306 * frame.c (start_fde_sort): Only allocate erratic array, if
13307 linear one was allocated. Return allocated flag.
13308 (fde_insert): Only insert, if there's a valid array.
13309 (fde_end_sort): Split, sort and merge if linear and erratic
13310 arrays exist, else just sort linear one.
13311 (search_fdes): New function. Linear search through original fde
13313 (frame_init): Permit multiple initializations. Cope with
13315 (find_fde): Fallback on linear search, if failed to sort array.
13316 (__deregister_frame_info): Only free sorted array, if we
13319 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13321 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13323 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13325 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13327 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13329 * tree.h (special_function_p): Declare.
13330 * calls.c (special_function_p): Make it global. Don't take `name'
13331 as a parameter. Fix typo in 1999-11-28 change.
13332 (expand_cal): Adjust.
13334 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13336 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13337 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13338 EXPR_WFL_FILENAME_NODE.
13339 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13341 * print-tree.c (print_note): Print TREE_PRIVATE and
13344 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13345 the original die cannot be found.
13347 * varray.h (varray_head_tag): Add elements_used.
13348 (VARRAY_PUSH): New macro.
13349 (VARRAY_POP): Likewise.
13350 (VARRAY_TOP): Likewise.
13351 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13353 * varray.c (varray_init): Initialize elements_used.
13354 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13355 (INTEGRATE_H): New variable.
13356 (integrate.o): Depend on INTEGRATE_H.
13357 (unroll.o): Likewise.
13359 * function.h (insert_block_after_note): Declare.
13360 * function.c (insert_block_after_note): Split out from ...
13361 (retrofit_block): ... here.
13363 * stmt.c (expand_fixup): Fix typo in comment.
13365 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13367 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13368 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13369 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13370 (regmove_optimize, fixup_match_1): Likewise.
13372 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13374 * flow.c (flow_loops_dump): Add missing argument when calling
13375 flow_loop_nested_p.
13377 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13378 Greg McGary <gkm@gnu.org>
13380 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13381 (init_attributes): Add A_NO_LIMIT_STACK.
13382 (decl_attributes): Handle A_NO_LIMIT_STACK.
13383 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13384 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13385 Handle stack bounds checking.
13386 * flags.h (flag_stack_check): Use the word 'probe' rather than
13387 'check', because the flag doesn't actually cause any checking to
13389 * function.c (expand_function_start): Set
13390 current_function_limit_stack.
13391 * function.h (struct function): Add limit_stack.
13392 (current_function_limit_stack): Define.
13393 * invoke.texi (Code Gen Options): Document new options.
13394 * rtl.h: Declare stack_limit_rtx.
13395 * toplev.c (stack_limit_rtx): New variable.
13396 (decode_f_option): Handle new options -fstack-limit-register=REG,
13397 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13398 (main): Add stack_limit_rtx as GC root.
13399 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13400 (struct tree_decl): New member no_limit_stack.
13402 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13404 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13405 (conditional_trap+1): Get new mnemonic correct.
13406 (conditional_trap+2): New pattern for DImode traps.
13408 * config/m68k/m68k.c (output_function_prologue): Handle
13410 * config/m68k/m68k.md (trap): New insn.
13411 (conditional_trap): New insn.
13412 * md.texi (Standard Names): Document `trap' and
13413 `conditional_trap'.
13414 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13415 so a cc0 setter doesn't get emitted at some random place in the
13418 * config/i960/i960.md (trap): New insn.
13419 (conditional_trap): New expander.
13420 (conditional_trap+1, conditional_trap+2): New insns for signed
13421 and unsigned cases.
13422 * config/i960/i960.c (i960_function_prologue): Use
13423 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13425 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13426 Geoffrey Keating <geoffk@cygnus.com>
13428 * flags.h (warn_padded, warn_packed): Add global var decls.
13429 * toplev.c (warn_padded, warn_packed): Add global var defns.
13430 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13431 * stor-layout.c (layout_record): Add local variable `type'
13432 to hold often-used TREE_TYPE (field). Add local variable
13433 `unpacked_align' to hold alignment that would be in force
13434 if no `packed' attribute were present. Warn if `packed' attribute
13435 is unnecessary, or even harmful. Warn when gcc inserts padding
13436 to satisfy alignment requirements of members. Use NULL_TREE
13437 when checking whether var_size is set.
13438 * invoke.texi: Document new flags.
13440 1999-12-03 Nathan Sidwell <nathan@acm.org>
13442 * frame.c (fde_split): Reimplement to avoid variable sized array.
13444 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13446 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13447 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13449 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13451 * invoke.texi: Document the mips option -mno-crt0
13453 1999-12-02 Mike Karr <mkarr@mathworks.com>
13455 * cccp.c (argdata): Added free_ptr member.
13456 (macroexpand): Initialize free_ptr of each argument. When an
13457 argument's buffers are freed, if the argument's free_ptr corresponds
13458 to a buffer on the input stack, then return the free_ptr to that stack
13459 frame, otherwise, free it.
13460 (macarg): If an argument begins and ends on the same input stack level,
13461 then transfer the free_ptr of that buffer to the argument in case
13462 the stack is popped during the processing of a subsequent argument.
13464 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13466 * loop.c (note_reg_stored): New function.
13467 (struct note_reg_stored_arg): New structure.
13468 (try_copy_prop): Change to be more conservative; only replace within
13469 one extended basic block and stop replacing if a store to the
13470 replacement reg is seen.
13472 1999-12-02 Nick Clifton <nickc@cygnus.com>
13474 * config/fp-bit.c: Initialise all fields of the NAN
13477 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13480 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13482 * i386.md (extend?f?f2): Force the input into a register, not
13485 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13487 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13489 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13490 alternative because setting up 64bit constant is usually costly,
13491 especially when reload is in progress or completed.
13492 (movdf_const_intreg_sp64): Likewise.
13493 (movdf_const_intreg split): Fix building up constants when
13494 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13496 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13498 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13499 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13502 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13503 (asm_file_start): Emit .am33 into assembly file when compiling for
13505 (print_operand_address): Handle POST_INC addresses.
13506 (can_use_return_insn, initial_offset): Check AM33 registers too.
13507 (expand_prologue): Check & save AM33 registers too.
13508 (expand_epilogue): Similarly.
13509 (secondary_reload_class): Handle AM33 specific secondary reloads.
13510 (output_tst): Emit efficient code for the AM33 too.
13511 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13512 (TARGET_SWITCHES): Add -mam33 switch.
13513 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13514 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13515 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13516 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13517 (enum reg_class, REG_CLASS_NAMES): Likewise.
13518 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13519 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13520 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13521 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13522 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13523 (HAVE_POST_INCREMENT): Define.
13524 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13525 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13526 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13527 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13528 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13529 (zero_extend to SI from QI/HI): Likewise.
13530 (sign_extend to SI from QI/HI): Likewise.
13531 (mulsidi3, umulsidi3): New patterns for the AM33.
13532 (tstsi with zero extension from QI/HI): Add AM33 variants.
13533 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13534 (return_internal_regs, store_movm): Handle new AM33 registers.
13535 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13536 (LIBGCC, INSTALL_LIBGCC): Likewise.
13537 * invoke.texi: Document new flags.
13539 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13541 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13542 (addsi3_carry): Likewise.
13543 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13544 (sbbsi3_carry): Likewise.
13545 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13546 (mulhi3): Likewise.
13547 (test?i_1): Ensure that only one operand is memory.
13548 (conditional move patterns): likewise.
13549 (shift and rotate patterns): Rewrite to expander, add
13550 "binary_operator_ok" to the condition.
13552 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13553 * i386.h (procesor_costs): Add movzbl_load field.
13554 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13555 non-Q registers, accept DImode registers anywhere.
13557 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13558 * i386.c (*_cost): Set value for movxbl_load field.
13560 * (addsi): New add to lea splitter.
13561 (ashlsi): Likewise.
13562 (lea to add/shift peep2): New.
13564 1999-12-01 Mark Salter <msalter@cygnus.com>
13566 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13567 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13568 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13570 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13572 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13573 * i386.md (movsi_xor): New.
13575 (movsi_1, movhi_1, movqi_1): Remove.
13576 (movsi_2): Rename to movsi_1.
13577 (movhi_2): Rename to movhi_1.
13578 (movqi_2): Rename to movqi_1.
13579 (movdi_1): Remove; remove splitter.
13580 (movdi_2): Rename to movdi_1.
13581 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13582 (long move peep2): Do not create QI or HI mode mov0s
13583 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13585 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13588 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13589 (abs?f2_if): Likewise.
13591 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13593 * ggc.h (ggc_test_and_set_mark): New macro.
13594 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13595 (ggc_mark_tree): Likewise.
13596 (ggc_mark_rtvec): Likewise.
13597 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13599 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13601 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13603 (decl_scope_table): Just an array of trees now.
13604 (push_decl_scope): Simplify.
13605 (dwarf2out_init): Adjust.
13606 (local_scope_p): New fn.
13607 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13608 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13609 (gen_typedef_die): Likewise.
13610 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13611 (gen_inlined_subroutine_die): Likewise.
13612 (gen_abstract_function): Set current_function_decl temporarily.
13613 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13614 Handle block extern declarations. Don't call push/pop_decl_scope.
13615 (gen_decl_die): Fix logic for block externs.
13617 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13619 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13620 to the list of functions which have attribute malloc by default.
13622 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13624 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13625 integer constant does not match the traditional type, limit the
13626 warnings to cases where the base of the type is ten.
13628 * invoke.texi (-Wtraditional): Document it.
13630 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13632 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13633 * rs6000.md: Only access a CONST_INT with INTVAL
13635 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13637 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13638 (compute_nearerout): Likewise.
13639 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13640 size_t to unsigned long for formatting.
13642 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13644 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13645 Allow the user to override call-used/fixed state of %g2-5
13646 registers from the command line (with the exception of %g4 for
13648 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13649 there is a higher chance of having a leaf function.
13650 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13651 for ARCH64 which has %ccr register.
13652 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13654 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13655 insn accept into delay slot any insn which does not use %[ol]
13656 registers. Accept some LO_SUM and shift left by 1 for the normal
13658 (output_function_epilogue): Likewise.
13659 (epilogue_renumber): Added argument which inhibits any renumbering
13660 and just tests if the rtx does not use any %[ol] registers.
13661 (output_return): Reflect above change.
13663 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13665 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13666 aggregate passing for sizes <= 16 bytes.
13668 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13670 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13671 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13672 * reload.c (find_dummy_reload): Likewise.
13673 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13674 * reload1.c (reload_as_needed): Likewise.
13675 * stupid.c (stupid_find_reg): Likewise.
13676 * tm.texi (Obsolete Register Macros): Delete section.
13677 * gmicro.h: Remove all traces of the two macros.
13678 * i386.h: Likewise.
13679 * m88k.h: Likewise.
13680 * mips.h: Likewise.
13682 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13684 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13685 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13686 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13687 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13688 units for the sparclite86x chip.
13689 (flush): Revert October 14th change; add SImode specifically.
13690 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13691 * invoke.texi: Document it.
13693 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13695 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13696 psimode_truncation_operand.
13698 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13699 function. Return true if the operand is either a MEM valid
13700 for a PSImode address or not a MEM at all.
13702 * config/mn10200/mn10200.md (truncsipsi2): Use
13703 psimode_truncation_operand.
13705 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13707 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13708 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13709 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13710 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13711 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13712 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13713 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13714 * basic-block.h: Protect from multiple inclusion.
13715 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13716 (struct loops, struct loop): Define structures.
13717 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13718 * sbitmap.h: Protect from multiple inclusion.
13719 (sbitmap_a_subset_b_p): Add prototype.
13720 * Makefile.in (LOOP_H): New macro.
13721 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13723 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13725 * cppinit.c (CAT): The argument list of this macro may not contain
13728 1999-11-29 David S. Miller <davem@redhat.com>
13730 Move quantity tables and register equivalence chains into
13731 per-qty and per-register structure arrays respectively.
13732 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13733 qty_const_insn, qty_comparison_code, qty_comparison_const,
13734 qty_comparison_qty): Delete, replace with...
13735 (qty_table): this structure table.
13736 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13737 (reg_eqv_table): this structure table.
13738 (make_new_qty): Add argument MODE. Caller updated.
13739 Update to use qty_table and reg_eqv_table.
13740 (make_regs_eqv, delete_reg_equiv, insert_regs,
13741 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13742 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13743 cse_process_notes, cse_main, cse_basic_block): Likewise.
13745 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13747 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13748 operation if C is negative.
13749 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13750 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13751 law for some divisions if constant is negative and change other
13752 divisions to the opposite rounding.
13754 * expr.c (store_constructor_field): If bit position is not multiple
13755 of alignment of TARGET's mode, use BLKmode.
13757 * expr.c (expand_expr_unaligned): Add more code from full case
13758 that is needed when OP0 is in a register.
13760 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13762 * dwarfout.c (field_byte_offset): Size can be zero if there was
13765 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13767 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13768 (associate_trees): Delete unused var TEM.
13769 (extract_muldiv): Delete unused var CANCEL_P.
13771 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13772 (target_isinf, target_isnan, target_negative): Add return types to
13773 function definitions.
13775 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13777 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13778 * fixinc/hackshell.tpl: ditto
13779 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13780 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13782 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13784 * reload.c (push_reload): When looking for a register to put into
13785 reg_rtx, make sure all hard regs in a multi-reg register are in the
13786 right class and nonfixed.
13788 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13789 pending_read_insns, pending_write_insns, pending_read_mems,
13790 pending_write_mems, pending_list_length, last_pending_memory_flush,
13791 last_function_call, sched_before_next_call): Move static variables
13793 (bb_ prefixed versions): Replace with single array bb_deps.
13794 (struct deps): New structure.
13795 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13796 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13797 argument of type "struct deps *"; use that instead of global
13798 variables. All callers changed.
13799 (init_rgn_data_dependencies): Delete function.
13800 (init_rtx_vector): Delete function.
13801 (init_deps): New function.
13803 (free_pending_lists): Simplify, we always use the bb_deps array even
13804 if only one basic block.
13805 (compute_block_backward_dependences): Likewise.
13806 (schedule_region): Likewise.
13808 (propagate_deps): New function, broken out of
13809 compute_block_backward_dependences.
13810 (compute_block_backward_dependences): Use it.
13812 * alpha.md: Delete useless patterns that tried to work around
13813 register elimination problems.
13815 * unroll.c (loop_iterations): Don't abort if iteration variable
13818 From Joern Rennecke:
13819 * reload1.c (reloads_conflict): Reverse test comparing operand
13820 numbers when testing for conflict between output/outaddr reloads.
13822 1999-11-29 David S. Miller <davem@redhat.com>
13824 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13826 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13828 1999-11-28 Robert Lipe <robertl@cygnus.com>
13830 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13831 table from .fini into .dtor.
13833 1999-11-28 Anthony Green <green@cygnus.com>
13835 * tree.h (struct tree_decl): Add malloc_flag.
13836 (DECL_IS_MALLOC): Define.
13837 * c-common.c (attrs): Add A_MALLOC attribute.
13838 (init_attributes): Add this attribute to the table.
13839 (decl_attributes): Handle malloc attribute.
13840 * calls.c (special_function_p): Check for the malloc attribute.
13841 * extend.texi (Function Attributes): Document malloc attribute.
13843 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13845 * pa.md (reload shift-add patterns): Remove.
13847 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13849 * reorg.c (dbr_schedule) Print more statistics. Corrected
13850 problem when printing info when 3 delay slots are filled.
13852 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13854 * combine.c (setup_incoming_promotions): Pass an outgoing
13855 regno to FUNCTION_ARG_REGNO_P which it expects.
13857 1999-11-28 Andreas Jaeger <aj@suse.de>
13859 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13861 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13863 * cccp.c (do_include): Avoid initialization of automatic variable.
13865 * integrate.c (mark_stores): Function definition made void, to match
13866 previous declaration.
13867 * regclass.c (dump_regclass): Ditto.
13868 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13870 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13872 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13873 known to be multiple of divisor.
13875 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13877 * combine.c (try_combine): Add code to try to merge a set of a
13878 two-word pseudo to a constant with a setting of one of those words
13881 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13882 (split_tree): Completely rework to make more general.
13883 (make_range, fold): Call negate_expr.
13884 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13885 (fold, associate): Call new split_tree and associate_trees.
13886 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13888 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13890 * loop.c (try_copy_prop): Avoid GNU C extension.
13892 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13894 * except.c (init_eh_for_function): Still zero eh_return_context,
13895 eh_return_stack_adjust, and eh_return_handler.
13897 * except.h (eh_status): Adjust documentation for x_protect_list.
13898 (begin_protect_partials): New function.
13899 * except.c (enqueue_eh_entry): Fix formatting.
13900 (get_first_handler): Add consistency check.
13901 (add_partial_entry): Adjust usage of protect_list.
13902 (emit_cleanup_handler): Save and restore ehqueue.
13903 (expand_start_all_catch): Add comment.
13904 (begin_protect_partials): New function.
13905 (end_protect_partials): Adjust usage of protect_list.
13906 (init_eh_for_function): Use xcalloc.
13908 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13910 * c-common.c (check_format_info): Don't call a variadic function
13911 with a non-literal format string.
13913 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13915 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13916 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13919 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13922 * collect2.c (collect_wait): Likewise.
13924 * dbxout.c (dbxout_type): Likewise.
13926 * gcc.c (do_spec_1): Likewise.
13928 * genemit.c (gen_insn, gen_expand): Likewise.
13930 * genrecog.c (write_switch, write_subroutine): Likewise.
13932 * mips-tfile.c (catch_signal, botch): Likewise.
13934 * print-rtl.c (print_rtx): Likewise.
13936 * toplev.c (default_print_error_function, report_error_function,
13937 _fatal_insn): Likewise.
13939 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13941 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13943 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13945 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13946 operations when needed.
13947 * i386.md (fop_?f_comm): New.
13948 (fop_?f_1): Do not accept commutative operands.
13950 1999-11-25 Andreas Jaeger <aj@suse.de>
13952 * config/mips/mips.md (casesi_internal): Add missing brace.
13954 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13956 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13957 (splice_child_die): Handle moving a child DIE from the declaration
13958 DIE of a class to its specification.
13959 (gen_struct_or_union_type_die): Use 'complete' consistently.
13960 (gen_decl_die): Generate the virtual context DIE first.
13961 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13963 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13965 * config/mips/mips.md (call_value_multiple_interanal1): New.
13967 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13969 * dwarf2out.c (free_AT, free_die): New fns.
13970 (remove_children): Call them.
13971 (output_line_info): Disable removal of duplicate notes.
13973 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13974 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13975 means pretend the type isn't defined.
13976 Don't defer emitting types.
13977 (gen_type_die_for_member): New fn.
13978 (gen_decl_die): Call it.
13979 (splice_child_die): New fn.
13980 (gen_member_die): Call it rather than generate duplicate dies.
13982 Defer emitting information for the abstract instance of an inline
13983 until we either inline it or emit an out-of-line copy.
13984 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13985 from output_inline_function if DECL_ABSTRACT is also set.
13986 (block_ultimate_origin): Likewise.
13987 (gen_abstract_function): New fn.
13988 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13989 (gen_subprogram_die): An abstract instance is not a declaration
13990 just because it doesn't match current_function_decl. Don't abort
13991 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13992 has an abstract origin.
13993 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13994 abstract instance here.
13996 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13998 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13999 where we need to reload fpul from a system register.
14001 1999-11-24 Andreas Jaeger <aj@suse.de>
14003 * config/mips/linux.h (CPP_PREDEFINES): Added.
14004 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14006 1999-11-24 Andreas Jaeger <aj@suse.de>
14008 * config/mips/linux.h (TARGET_VERSION): Added.
14009 (HANDLE_SYSV_PRAGMA): Added.
14010 (DEFAULT_VTABLE_THUNKS): Added.
14012 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14014 * local-alloc.c (qty): New structure and static variable.
14015 (qty_phys_reg): Remove, all references changed to qty.
14016 (qty_n_refs): Likewise.
14017 (qty_min_class): Likewise.
14018 (qty_birth): Likewise.
14019 (qty_death): Likewise.
14020 (qty_size): Likewise.
14021 (qty_mode): Likewise.
14022 (qty_n_calls_crossed): Likewise.
14023 (qty_alternate_class): Likewise.
14024 (qty_changes_size): Likewise.
14025 (qty_first_reg): Likewise.
14026 (alloc_qty): Rename variable QTY to QTYNO.
14027 (finf_free_reg): Likewise.
14028 (local_alloc): Allocate qty, do not allocate the removed variables.
14030 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14032 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14033 when -membedded-pic is passed.
14035 * config/mips/mips.md (casesi): Handle 64-bit case too.
14036 (casesi_internal_di): New insn.
14038 * config/mips/mips.c (embedded_pic_offset): Always make the
14039 embedded-pic subtractions relative to the name of the current
14040 function by use of the magic string "..CURRENT_FUNCTION".
14041 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14043 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14045 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14046 of (const_int 0), when what we really care about is
14047 whether it's a zero constant anyway.
14048 (div_trap_mips16): Likewise.
14050 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14052 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14053 unroll_block_trees when generating debuggable code.
14055 * tree.h (unsave_expr_1): New function.
14056 (lang_unsave): New variable.
14057 (get_callee_fndecl): New function.
14058 * tree.c (unsave_expr_now_r): New function.
14059 (lang_unsave): Define.
14060 (unsave_expr_1): Likewise.
14061 (unsave_expr_now_r): Split out from unsave_expr_now.
14062 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14063 call unsave_expr_now_r.
14064 (get_callee_fndecl): Define.
14066 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14067 (gencheck.o): Do depend on lang_tree_files.
14069 * integrate.h (copy_decl_for_inlining): New declaration.
14070 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14071 (copy_decl_for_inlining): New function.
14072 (integrate_parm_decls): Use it.
14073 (integrate_decl_tree): Likewise.
14075 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14077 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14078 the second two from the first.
14079 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14080 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14081 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14083 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14084 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14087 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14089 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14090 needed on the address operand.
14091 * pa.c (call_operand_address): Check for the correct mode.
14093 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14095 * loop.c: Include "basic-block.h".
14096 (try_copy_prop, replace_loop_reg): New functions.
14097 (load_mems): Detect registers that just hold copies of the hoisted
14098 mem, and call try_copy_prop to eliminate them.
14099 * Makefile.in (loop.o): Update dependencies.
14101 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14103 * Makefile.in (gencheck.o): Depend on gencheck.h.
14104 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14105 (insn-peep.o): Depend on except.h and function.h.
14106 (insn-attrtab.o): Depend on RECOG_H.
14107 (insn-output.o): Depend on toplev.h and flags.h.
14108 (gengenrtl.o): Depend on real.h.
14109 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14110 Unify all dependencies to be on RECOG_H rather than recog.h.
14112 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14114 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14115 * configure.in: Try building a bi-arch 32/64-bit compiler on
14116 sparc-*-solaris2.7 and higher.
14117 * configure: Rebuild.
14119 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14121 * config/freebsd.h: New, FreeBSD architecture independent file.
14122 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14123 independent pieces.
14124 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14125 directly by i386/freebsd.h.
14126 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14127 independent configuration file.
14128 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14129 directly by i386/freebsd.h.
14130 * configure: Rebuilt.
14132 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14133 which is in the user's namespace.
14134 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14135 `i386' which is not in our namespace.
14137 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14139 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14141 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14143 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14144 (add_dwarf_attr, add_child_die): Just push onto the front.
14145 (reverse_die_lists): New fn.
14146 (add_sibling_attributes): Use it.
14147 (push_decl_scope): Reorganize.
14148 (add_name_and_src_coords_attributes): Don't set file and line for
14149 an artificial decl.
14150 (gen_subprogram_die): An artificial function doesn't need to match
14152 (gen_compile_unit_die): Return the generated die. Only add
14153 AT_comp_dir if the filename is relative.
14154 (remove_AT): Simplify loop. Also free string values.
14155 (output_die): A DIE ref can't be null.
14156 (output_value_format, value_format): Take a dw_attr_ref.
14157 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14158 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14159 AT_addr, AT_lbl): New fns.
14160 (various): Use them.
14161 (various): Constify.
14163 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14165 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14166 take SUBREG_WORD into account.
14167 (if_then_else_cond): Likewise.
14169 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14171 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14172 clause from BSD license, pursuant with
14174 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14176 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14178 * loop.c (load_mems): Reformat slightly.
14179 * basic-block.h (regset_head): New typedef.
14180 (INIT_REG_SET): New macro.
14182 1999-11-22 Bruce Korb <autogen@linuxbox.com
14184 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14185 (mips-dec-bsd*): non-functional code
14186 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14188 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14189 added three replacement fixes
14190 (no_double_slash): removed comments that are not (any longer) pertinent
14191 (bad_lval): this fix currently runs against many files.
14192 The comment seems to indicate that we should select for files
14193 containing 'pragma extern_prefix'.
14195 * fixinc/fixinc.x86-linux-gnu: deleted
14196 * fixinc/inclhack.sh: regen
14197 * fixinc/fixincl.x: regen
14198 * fixinc/fixincl.sh: regen
14200 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14202 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14203 its code is INSN and it has no notes.
14205 1999-11-22 Andrew Haley <aph@cygnus.com>
14207 * varasm.c (function_defined): Remove.
14208 (make_function_rtl): Don't set function_defined.
14209 (make_decl_rtl): Remove global register warning.
14210 * regclass.c (no_global_reg_vars): New variable.
14211 (globalize_reg): Warn if function has already been defined.
14212 (regclass_init): Set no_global_reg_vars.
14214 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14216 * regclass.c (reg_pref): New structure and static variable
14217 (prefclass): Delete.
14218 (altclass): Delete.
14219 (all uses of prefclass and altclass): Use reg_pref instead.
14221 1999-11-21 Nick Clifton <nickc@cygnus.com>
14223 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14225 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14226 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14227 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14229 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14231 * varasm.c (output_constructor): Solve problem with long long
14232 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14234 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14236 * global.c (allocno): New structure and static variable.
14237 (allocno_reg): Remove, all references replaced by allocno.
14238 (allocno_size): Likewise.
14239 (hard_reg_conflicts): Likewise.
14240 (hard_reg_preferences): Likewise.
14241 (hard_reg_copy_preferences): Likewise.
14242 (hard_reg_full_preferences): Likewise.
14243 (regs_someone_prefers): Likewise.
14244 (allocno_calls_crossed): Likewise.
14245 (allocno_n_refs): Likewise.
14246 (allocno_live_length): Likewise.
14247 (find_reg): Rename ALLOCNO to NUM.
14249 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14250 references updated.
14251 (may_move_out_cost): New variable.
14252 (init_reg_sets_1): Initialize may_move_out_cost.
14253 (record_reg_classes): Use may_move_out_cost.
14255 * regclass.c (dump_regclass): New function.
14256 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14257 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14258 pass rtl_dump_file to regclass.
14259 * rtl.h (regclass): Update prototype.
14261 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14263 * i386.md (neg, not and abs patterns): Revmap to use
14264 ix86_expand_unary_operator and ix86_unary_operator_ok.
14265 (add?f and sub?f expanders): Force operand 1 to register.
14266 * i386.c (ix86_expand_unary_operator): Rewrite.
14267 (ix86_unary_operator_ok): Ensure that memory operands
14269 (ix86_binary_operator_ok): Do not allow operand 1 to
14270 come into memory and operand 0 not.
14271 (ix86_expand_binary_operator): Ensure that
14272 src1 is not non-matching memory.
14274 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14275 to support integer registers and memory.
14276 (abss?2_integer): Likewise.
14278 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14279 (REG_CLASS_NAMES): Likewise.
14280 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14282 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14283 (movsf): Likewise; unify 4th and 5th alternative.
14284 (pushdf): Likewise.
14285 (movdf_1): Likewise; rename to movdf_integer.
14286 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14287 remove redundant splitter.
14288 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14289 (movdf_nointeger): New.
14290 (movxf_nointeger): New.
14291 (pushxf_nointeger): New.
14293 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14294 memory operands in patterns.
14295 (fop*): Refuse two memory operands.
14297 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14298 on !TARGET_USE_CLTD CPUs.
14300 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14302 * extend.texi: Document C++ restricted pointers and references.
14304 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14306 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14307 (invalidate_skipped_set): Call it unconditionally.
14308 (cse_set_around_loop): Likewise.
14310 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14312 * rtl.texi (mem): Add documentation for alias-set argument
14315 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14317 * i386.h (struct_processor_costs): New fields int_load, int_store,
14318 fp_move, fp_load and fp_store
14319 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14321 (MEMORY_MOVE_COST): New macro.
14322 * i386.c (386_cost): Define new fields.
14323 (i486_cost): Likewise.
14324 (pentium_cost): Likewise.
14325 (pentiumpro_cost): Likewise.
14326 (k6_cost): Likewise.
14328 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14329 Geoffrey Keating <geoffk@cygnus.com>
14331 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14333 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14336 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14337 (TARGET_STRICT_ALIGNMENT): New macro.
14338 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14339 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14340 * invoke.texi (M680x0 Options): Document -mstrict-align.
14342 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14343 Richard Henderson <rth@cygnus.com>
14345 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14346 (ix86_split_long_move): Declare.
14347 * i386.c (split_xf, ix86_split_movdi): Remove.
14348 (ix86_split_to_parts, ix86_split_long_move): New.
14349 * i386.md (dimode move splitters): Use ix86_split_long_move.
14350 (dfmode move splitters): Likewise.
14351 (xfmode move splitters): Likewise.
14352 (movsf_1): Allow F->r.
14353 (movdf_1, movxf_1): Allow F->ro.
14355 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14357 * except.h (struct eh_entry): Add goto_entry_p.
14358 (eh_region_from_symbol): Remove prototype.
14359 * except.c (find_func_region_from_symbol): New function.
14360 (emit_cleanup_handler): Likewise.
14361 (eh_region_from_symbol): Make it static.
14362 (add_new_handler): Verify the argument.
14363 (find_func_region): Update comment.
14364 (expand_eh_region_end): Expand handlers here, rater than waiting
14365 until expand_leftover_cleanups or start_all_catch.
14366 (expand_leftover_cleanups): Don't expand here.
14367 (expand_start_all_catch): Or here.
14368 (expand_rethrow): Check the return value from find_func_region.
14369 * function.c (expand_function_end): Emit the catch_clauses.
14371 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14373 * integrate.c (expand_inline_function): Add necessary check for NULL.
14375 1999-11-18 Nick Clifton <nickc@cygnus.com>
14377 * toplev.c (main): Correctly detect an unrecognised option.
14379 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14380 a -f option if it has not been recognised.
14382 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14384 * basic-block.h (update_life_extent): Remove trailing comma on
14385 enumeration type list.
14387 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14389 * varasm.c (output_constructor) Solved problem with long long
14390 bitfields. Corrected calculating this_time and shift. Also
14391 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14393 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14395 * flow.c (split_edge): Take looping structure into account when
14396 determining where to put the new block note.
14398 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14400 * Makefile.in (ggc-none.o): Provide host specific version if
14403 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14405 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14406 containing subregs too.
14408 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14410 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14411 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14412 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14413 (text_section): Add switches -munint-const-in-rodata and
14414 -mno-uninit-const-in-rodata.
14415 (ASM_OUTPUT_COMMON): Remove.
14416 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14417 const objects should be placed in read-only data. Otherwise declare
14420 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14422 * jump.c (jump_optimize_1): Revert last change.
14424 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14426 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14427 test if optimizing for size.
14429 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14431 * Makefile.in (toplev.o): Depend on except.h.
14432 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14434 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14436 * i386.md (divmodsi4): Rewrite to expander.
14437 (*divmodsi4_nocltd): New.
14438 (*divmodsi4_cltd): New.
14439 (divmodsi4 splitter): Handle the case when input comes in edx.
14440 (udivmodhi4): Do not use constraints in exander.
14441 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14443 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14445 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14446 for the common case.
14448 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14450 * explow.c (hard_function_value): Add outgoing argument.
14451 * expr.h (hard_function_value): Declare it.
14452 * calls.c (expand_call, emit_library_call_value): Update callers.
14453 * function.c (aggregate_value_p): Ditto.
14454 (diddle_return_value): Must look at the outgoing registers
14455 on archs with register windows.
14457 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14459 * alpha.c (alpha_build_va_list): Use make_lang_type and
14460 initialize TYPE_NAME for the va_list record.
14462 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14464 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14466 * ggc.h (struct ggc_statistics): Rearrange elements for better
14467 packing on 64-bit hosts.
14468 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14469 (compute_nearerout): Likewise.
14471 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14473 * config/rs6000/rs6000.c (first_reg_to_save): Save
14474 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14476 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14478 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14479 notion of nesting to find the DIE for a type or function.
14480 DIEs can go in limbo even if we got a context_die.
14481 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14482 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14484 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14485 (gen_type_die): Writing out the context doesn't cause member class
14486 template instantiations to be written out as well.
14488 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14490 * rs6000.h (ASM_OUTPUT_DEF): New.
14491 Based on proposed addition from David Edelsohn.
14493 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14494 Bruce Korb <autogen@linuxbox.com>
14496 * fixinc/inclhack.def
14497 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14498 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14500 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14501 (svr4_endian): enabled with SVR5
14502 (svr4_mkdev): simplified syntax and enabled with SVR5
14504 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14506 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14507 * configure: Rebuilt.
14508 * config/t-freebsd-thread: New file.
14510 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14512 * i386.c (ix86_decompose_address): Verify the base is a REG
14513 before trying to examine its register number.
14515 * basic-block.h: Remove all #defines and prototypes related to
14517 (free_bb_mem, compute_preds_succs): Remove prototype.
14518 * rtl.h (free_bb_mem): Remove prototype.
14519 * flow.c (alloc_int_list_node); Remove function.
14520 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14521 (compute_preds_succs, free_bb_mem): Likewise.
14522 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14523 * toplev.c (rest_of_compilation): Likewise.
14524 * haifa-sched.c (build_control_flow): Use flow generated edge
14525 list to build the haifa specific edge list.
14526 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14527 (schedule_insns): Do not build pred/succ lists anymore. Instead
14528 build the edge table.
14530 * basic-block.h (dump_bb_data): Remove declaration.
14531 * flow.c (dump_bb_data): Remove function.
14532 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14533 (sbitmap_union_of_predsucc): Likewise.
14535 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14536 argument. All callers changed.
14537 (delete_null_pointer_checks_1): No longer need to compute the
14540 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14541 All callers changed.
14542 (pre_expr_reaches_here_p_work): Likewise.
14543 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14544 * lcm.c (compute_laterin): Fix initialization of LATER.
14545 (compute_nearerout): Similarly for NEARER.
14547 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14549 * cse.c (set_nonvarying_address_components): Delete unused function.
14550 (refers_to_p): Likewise.
14552 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14554 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14557 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14559 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14560 definition in do while (0).
14562 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14564 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14566 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14568 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14570 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14572 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14573 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14574 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14575 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14577 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14578 saved on the stack. Output more accurate stack frame statistics
14579 into assembler file.
14581 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14583 * genextract.c (record_insn_name): New function.
14584 (get_insn_name): No longer a stub.
14585 (main): Call record_insn_name for each insn. After each label
14586 written, print the insn name in a comment.
14588 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14590 * output.h (const_section, init_section, fini_section): Add
14593 * alpha/elf.h (const_section): Delete declaration.
14595 * svr4.h (const_section): Likewise.
14597 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14599 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14600 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14601 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14603 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14604 variable-sized array bounds.
14606 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14608 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14611 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14613 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14614 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14616 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14618 * cse.c (hash_arg_in_struct): Delete.
14619 (struct table_elt): Delete elt in_struct.
14620 (struct set): Delete elt src_in_struct.
14621 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14622 the corresponding in_struct elts.
14623 (canon_hash): Likewise.
14624 (safe_hash): Likewise.
14625 (find_best_addr): Likewise.
14626 (record_jump_cond): Likewise.
14627 (cse_insn): Likewise.
14629 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14631 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14633 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14636 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14638 * function.c (diddle_return_value): Put back check that the DECL_RTL
14639 for the function is a register.
14641 * function.c (diddle_return_value): Use hard_function_value to
14642 get an rtx suitable for use in the USE/CLOBBER insn.
14644 * global.c (global_conflicts): Update comments.
14645 (record_conflicts): No need to record conflicts between pseudos here.
14647 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14649 * fixinc/fixincl.c: Added verbose levels for status messages
14651 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14653 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14654 operand as argument to expand_and or expand_binop.
14656 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14658 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14659 gcc_add_string_root.
14661 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14663 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14665 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14667 * flow.c (compute_flow_dominators): Initially put all blocks on
14669 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14670 * gcse.c (compute_cprop_avinout): Remove.
14671 (compute_cprop_data): Use compute_available.
14672 (delete_null_pointer_checks_1): Use compute_available.
14674 * basic-block.h (compute_available): Returns a void now.
14675 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14676 to return a value anymore.
14677 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14678 worklists. Fix boundary cases. Compute maximal solutions.
14679 (compute_laterin, compute_nearerout): Similarly.
14681 * dwarf2out.c (add_AT_location_description): Allow
14682 (mem (plus (pseudo) (...)) too.
14684 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14686 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14688 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14689 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14691 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14693 * gansidecl.h: Likewise.
14699 * toplev.h: Likewise.
14701 * tree.c: Likewise.
14703 * tree.h: Likewise.
14705 * varray.c: Likewise.
14707 * varray.h: Likewise.
14709 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14711 * gcov.c (struct arcdata): Add hits and total, remove prob.
14712 (output_branch_counts): New.
14713 (process_args): Set output_branch_counts if -c.
14714 (calculate_branch_probs): Store hits and total instead of
14716 (output_data): Emit counts if output_branch_counts is true.
14717 * gcov.texi (Invoking Gcov): Document -c switch..
14719 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14721 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14722 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14724 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14726 * invoke.texi (C Dialect Options): Add missing builtins from
14727 c-common.c to list.
14728 * extend.texi (Other Builtins): Copy to this list.
14730 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14732 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14733 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14734 redundant bitmap.h.
14736 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14738 * flow.c (compute_flow_dominators): No longer treat basic block 0
14739 or (n_basic_blocks - 1) specially. Clear the AUX field before
14740 starting computation of doms/pdoms. Fix initial state for pdoms.
14742 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14744 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14745 match rtl.o's: added ggc.h and toplev.h
14746 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14747 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14748 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14750 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14752 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14753 from HAVE_DOS_BASED_FILESYSTEM.
14754 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14755 HAVE_DOS_BASED_FILESYSTEM.
14757 (split_directories): Only special-case DOS file names if
14758 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14759 instead of explicit tests. Conditionalize on !VMS.
14760 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14761 tests. Conditionalize on !VMS.
14762 (process_command): Only use make_relative_prefix if !VMS.
14763 (free_split_directories): Conditionalize on !VMS.
14764 (DIR_UP): Conditionalize on !VMS.
14766 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14768 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14770 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14772 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14775 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14777 * invoke.texi (Environment Variables): Document relative path
14779 * gcc.c (DIR_UP): If not defined, define as "..".
14780 (standard_bindir_prefix): New static, holds target location to
14782 (split_directories): New function to split a filename into
14783 component directories.
14784 (free_split_directories): New function, release memory allocated
14785 by split_directories.
14786 (make_relative_prefix): New function, make a relative pathname if
14787 the compiler is not in the expected location.
14788 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14789 can figure out an appropriate prefix from argv[0].
14790 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14791 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14792 STANDARD_BINDIR_PREFIX.
14794 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14796 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14798 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14799 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14800 c4x_secondary_memory_needed) Delete.
14801 (fp_zero_operand): Add mode argument.
14803 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14805 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14806 that is in reload_reg_used.
14808 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14810 * config/arm/arm-protos.h: New file: Prototypes for functions
14811 defined in arm.c and pe.c.
14812 * config/arm/arm.h: Fix compile time warnings.
14813 * config/arm/arm.c: Fix compile time warnings.
14814 * config/arm/pe.h: Fix compile time warnings.
14815 * config/arm/aout.h: Fix compile time warnings.
14817 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14819 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14822 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14823 Add support for subtargets.
14824 Add prototypes for new predicates.
14825 Add scheduling macros.
14827 * config/m32r/m32r.c: Fix compile time warnings.
14828 (int8_operand): New predicate function.
14829 (reg_or_cmp_int16_operand): New predicate function.
14830 (extend_operand): New predicate function.
14831 (m32r_adjust_code): New scheduling function.
14832 (m32r_adjust_priorty): New scheduling function.
14833 (m32r_sched_init): New scheduling function.
14834 (m32r_sched_reorder): New scheduling function.
14835 (m32r_sched_variable_issue): New scheduling function.
14836 (direct_return): New codegen function.
14837 (m32r_not_same_reg): New rtl testsing function.
14839 * config/m32r/m32r.md: Fix compile time warnings.
14840 Add support for pre decrement and post increment memory
14842 Add S<cc> patterns.
14845 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14847 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14848 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14849 (find_reg): Likewise.
14851 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14853 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14854 to avoid assembler errors.
14856 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14858 * config/v850/v850-protos.h: New file: Prototypes for functions
14860 * config/v850/v850.h: Move prototypes to v850-protos.h
14861 * config/v850/v850.c: Move prototypes to v850-protos.h
14862 * config/v850/v850.md: Fix compile time warnings.
14864 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14866 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14867 * config/fr30/fr30.c: Fix compile time warnings.
14868 * config/fr30/fr30.md: Fix compile time warnings.
14870 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14872 * tree.h (get_containing_scope): Declare it.
14873 * tree.c (get_containing_scope): New fucntion.
14874 (decl_function_context): Use it.
14875 * toplev.c (rest_of_compilation): Use get_containing_scope.
14877 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14879 * Makefile.in (rtl.o): Depend on toplev.h.
14881 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14883 * cse.c (delete_trivially_dead_insns): Replace alloca with
14885 * except.c (update_rethrow_references): Likewise.
14886 (init_eh_nesting_info): Likewise.
14887 * function.c (identify_blocks): Likewise.
14888 * gcse.c (dump_hash_table): Likewise.
14889 * graph.c (print_rtl_graph_with_bb): Likewise.
14890 * loop.c (combine_movables): Likewise.
14891 (move_movables): Likewise.
14892 (count_loop_regs_set): Likewise.
14893 (strength_reduce): Likewise.
14894 * profile.c (compute_branch_probabilities): New function, split
14896 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14897 * regclass.c (regclass): Likewise.
14898 * regmove.c (regmove_optimize): Likewise.
14899 * toplev.c (compile_file): Likewise.
14900 (main): Don't mess with the stack rlimit.
14902 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14904 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14905 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14907 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14909 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14911 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14913 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14914 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14917 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14919 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14921 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14923 * gcse.c (post_dominators): Kill.
14924 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14925 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14926 pass in a pdom array since we do not need pdoms.
14927 * haifa-sched.c (schedule_insns): Similarly.
14928 * flow.c (compute_dominators): Remove dead function.
14929 (compute_flow_dominators): Do not compute doms or pdoms if the
14930 caller does not request them. Split up loop to build doms and
14931 pdoms. Use a worklist to compute doms and pdoms.
14932 * basic-block.h (compute_dominators): Remove prototype.
14934 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14936 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14937 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14938 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14939 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14940 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14941 (schedule_region): Remove unused variable.
14942 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14944 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14946 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14947 (update_equiv_regs): Likewise.
14948 (block_alloc): Likewise.
14949 * reg-stack.c (reg_to_stack): Likewise.
14950 (convert_regs_2): Likewise.
14951 * reload1.c (reload_as_needed): Likewise.
14953 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14955 * Makefile.in (dbxout.o): Depend on ggc.h.
14956 (dwarf2out.o): Likewise.
14957 (xcoffout.o): Likewise.
14958 * dbxout.c: Include ggc.h.
14959 (dbxout_init): Register lastfile as a root.
14960 * dwarf2out.c: Include ggc.h.
14961 (dwarf2out_line): Register lastfile as a root.
14962 * xcoffout.c: Include ggc.h.
14963 (xcoffout_source_line): Register xcoff_lastfile as a root.
14965 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14967 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14969 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14971 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14973 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14975 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14977 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14978 (EXECUTE_IF_CONFLICT): Likewise.
14979 (ALLOCNO_LIVE_P): Avoid signed division.
14980 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14981 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14982 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14984 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14986 * haifa-sched.c (schedule_block): Don't crash if there's no
14987 next insn for an interblock movement.
14988 (add_branch_dependences): Don't allow clobber insns to move either.
14990 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14992 * i386.c (split_xf): New.
14993 * i386-protos.h: Declare it.
14994 * i386.md (movxf_1): Add general regs alternatives.
14995 (movxf_1+1): New splitter for same.
14997 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14999 * function.c (purge_addressof_1): Add missing return values.
15001 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15003 * function.c (is_addressof): New function. Returns true if
15004 the given piece of RTL is an ADDRESSOF.
15005 (purge_addressof_1): Make boolean. Return false if the
15006 ADDRESSOFs could not be purged.
15007 (purge_addressof): If ADDRESSOFs could not be purged from the
15008 notes attached to an insn, remove the offending note(s),
15009 unless they are attached to a libcall.
15011 1999-11-05 Andreas Jaeger <aj@suse.de>
15013 * genoutput.c (null_operand =): Initialize all fields.
15015 * errors.h: Add extern to prototypes.
15017 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15019 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15020 * configure: Rebuilt.
15022 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15024 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15025 (mirror_conflicts): New function.
15026 (global_alloc): Call it.
15027 (expand_preferences): Remove redundant CONFLICTP test.
15028 (find_reg, dump_conflicts): Likewise.
15029 (prune_preferences): Process conflicts one word at a time.
15031 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15033 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15034 instead of an explicit loop.
15036 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15038 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15039 if REG_RETVAL check succeeds, then put classp in src_elt.
15041 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15043 * function.c (pad_to_arg_alignment): Only update argument_pad
15044 if the argument's alignment is greater than STACK_BOUNDARY.
15046 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15048 * bitmap.h (BITMAP_XFREE): New.
15049 * flow.c (life_analysis): Use it.
15050 (life_analysis_1): Free blocks.
15052 * combine.c (undo_commit): New.
15053 (try_combine): Use it. Don't zap undobuf.undos.
15054 (combine_instructions): Don't zap undobuf.undos; free the
15055 undobuf.frees list.
15057 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15059 * stmt.c (cost_table_): New.
15060 (estimate_case_costs): Use it instead of xmalloc.
15062 * toplev.c (compile_file): Reuse dumpname memory instead
15065 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15067 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15068 after verifying an EH edge.
15070 * haifa-sched.c (init_rgn_data_dependences): Correctly
15071 size bb_pending_lists_length when zeroing.
15073 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15075 * function.c (diddle_return_value): New.
15076 (expand_function_end): Use it.
15077 * stmt.c (expand_null_return): Likewise.
15078 (expand_value_return): Likewise.
15080 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15082 * reload1.c (reload): Don't remove return value clobbers.
15084 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15086 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15088 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15090 * cse.c (cse_main): Use xmalloc, not alloca.
15091 (cse_basic_block): Likewise.
15092 * local-alloc.c (local_alloc): Likewise.
15094 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15095 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15097 * rtl.c: Include toplev.h.
15098 (fatal): Remove declaration.
15100 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15102 * haifa-sched.c (schedule_block): Fix thinko.
15104 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15106 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15107 S_IR* defined values
15109 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15111 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15112 call `malloc' instead.
15114 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15116 * flags.h (flag_renumber_insns): Declare.
15117 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15119 * rtl.h (renumber_insns): Change prototype.
15120 * toplev.c (flag_renumber_insns): Define.
15121 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15123 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15125 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15126 and fpsqrtd. Use them and create fdiv function unit to more
15127 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15128 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15130 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15132 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15134 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15135 insn into ready list, do not use just a raw swap.
15137 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15139 * rtl.h (renumber_insns): New function.
15140 (remove_unnecessary_notes): Likewise.
15141 * emit-rtl.c (renumber_insns): Define.
15142 (remove_unncessary_notes): Likewise.
15143 * toplev.c (rest_of_compilation): Remove dead code.
15144 Use renumber_insns and remove_unncessary_notes.
15146 * gcse.c (struct null_pointer_info): New type.
15147 (get_bitmap_width): New function.
15148 (current_block): Remove.
15149 (nonnull_local): Likewise.
15150 (nonnull_killed): Likewise.
15151 (invalidate_nonnull_info): Take a null_pointer_info as input.
15152 (delete_null_pointer_checks_1): New function.
15153 (delete_null_pointer_checks): Use it.
15155 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15156 (split_edges): Likewise.
15157 (schedule_block): Likewise.
15158 (compute_block_backward_dependencies): Likewise.
15159 (schedule_region): Likewise.
15160 (schedule_insns): Likewise.
15162 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15164 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15165 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15166 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15167 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15168 * jump.c (delete_unreferenced_labels): Don't delete if
15169 LABEL_ALTERNATE_NAME is set.
15170 * print-rtl.c (print_rtx): Dump alternate name.
15171 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15172 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15173 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15174 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15176 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15178 * fix-header.c (recognized_extern, recognized_function): Constify
15181 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15182 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15183 (compute_available): Remove unused variable `last'.
15184 (compute_nearerout): Remove unused variable `temp_bitmap'.
15185 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15186 Remove unused variable `x'.
15188 * scan.h (recognized_function, recognized_extern): Constify a
15191 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15193 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15195 * varasm.c (decode_rtx_const): Use XSTR to access the string
15198 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15200 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15202 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15204 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15206 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15208 * pa.c (ireg_operand): New function.
15209 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15210 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15211 Fix out of date comment.
15213 * pa.md (negdi2): Turn into expander + anonymous pattern.
15215 * reload.c (find_reloads): Fix typos in recent change.
15217 * dwarf2out.c: Do not include ctype.h.
15219 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15221 * regclass.c (record_reg_classes): Always use may_move_cost when
15222 seeing how operand fits with various register classes.
15224 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15226 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15227 * toplev.c: Revert Nov 1 13:22 change.
15229 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15231 * config/pa/pa.md (height reduction patterns): Add checks for
15232 overlapping operands to avoid semantic-destroying splits for
15233 height reduction patterns.
15235 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15237 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15238 have been an hyphen, fixed.
15239 * configure: Rebuilt.
15241 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15243 * config/arm/tpe.h: Add prototypes for exported functions.
15244 * config/arm/pe.c: Fix compile time warnings.
15245 * config/arm/semi.h: Fix compile time warnings.
15246 * config/arm/arm.c: Fix compile time warnings.
15247 * config/arm/arm.h: Fix compile time warnings.
15248 * config/arm/arm.md: Fix compile time warnings.
15249 * config/arm/thumb.c: Fix compile time warnings.
15250 * config/arm/thumb.h: Fix compile time warnings.
15251 * config/arm/thumb.md: Fix compile time warnings.
15253 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15255 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15258 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15259 completely unrolled.
15261 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15263 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15265 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15267 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15268 * rtl.h (rtx_equal_p): Move prototype.
15269 * rtl.c (rtx_equal_function_value_matters): Move from
15271 (rtx_equal_p): Likewise.
15272 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15273 (rtx_equal_p): Likewise.
15275 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15277 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15278 ! HAS_INIT_SECTION.
15280 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15282 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15284 * pa.h (ADDR_VEC_ALIGN): Define.
15286 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15287 notes when presented with "if (foo) break; end_of_loop" and
15288 the break sequence gets moved out of the loop.
15290 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15291 Remove explicit zero initializations of entries within MAP.
15293 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15295 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15297 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15299 * bitmap.h (BITMAP_XMALLOC): New macro.
15300 * flow.c (CLEAN_ALLOCA): Remove.
15301 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15302 (life_analysis): Likewise.
15303 (update_life_info): Don't use CLEAN_ALLOCA.
15304 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15305 (calculate_global_regs_live): Likewise.
15306 (print_rtl_with_bb): Likewise.
15307 (verify_flow_info): Likewise.
15308 * global.c (global_alloc): Likewise.
15309 (global_conflicts): Likewise.
15310 * integrate.c (save_for_inline_nocopy): Likewise.
15311 (expand_inline_function): Likewise.
15312 * jump.c (jump_optimize_1): Likewise.
15313 (duplicate_loop_exit_test): Likewise.
15314 (thread_jumps): Likewise.
15315 * loop.c (loop_optimize): Likewise.
15316 (combine_givs): Likewise.
15317 (recombine_givs): Likewise.
15318 * reorg.c (dbr_schedule): Likewise.
15319 * unroll.c (unroll_loop): Likewise.
15321 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15323 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15325 * toplev.c (rest_of_compilation): Don't optimize the CFG
15326 when rebuilding, just before dbr.
15328 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15330 * output.h (assemble_end_function, assemble_destructor,
15331 assemble_constructor, assemble_gc_entry, assemble_global,
15332 assemble_label, output_constant_pool) Constify a char*.
15334 * varasm.c (assemble_destructor, assemble_constructor,
15335 assemble_gc_entry, assemble_end_function, assemble_global,
15336 assemble_label, output_constant_pool): Likewise.
15338 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15340 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15341 explaining what is goin on in this function.
15343 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15345 * regclass.c (record_reg_classes): In matching case, recompute
15346 costs since the direction of movement is different.
15348 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15350 * resource.c (mark_target_live_regs): For unconditional branches,
15351 the resources found at the branch target should be added to the
15352 resources found so far, not intersected.
15354 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15356 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15358 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15359 (sys/mman.h): Include this file only if #HAVE_MMAP.
15360 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15361 with automatically concatenated ANSI strings.
15363 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15365 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15366 (DIV_ROUND_UP): Robustify.
15367 (ggc_recalculate_in_use_p): New function.
15368 (release_pages): Don't inline it.
15369 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15371 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15372 (clear_marks): Always save in_use_p.
15373 (sweep_pages): Use ggc_recalculate_in_use_p.
15374 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15375 Release pages before counting statistics.
15377 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15379 * toplev.c (rest_of_compilation): Fix thinko in this change:
15381 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15383 (rest_of_compilation): If inside an inlined external function,
15384 pretend we are just being declared.
15386 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15388 * flow.c (calculate_global_regs_live): Fix thinko.
15390 * integrate.c (expand_inline_function): Fix bugs in previous
15391 change from Oct 28, 1999.
15393 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15395 * stmt.c (expand_value_return): Fix typo in this change:
15397 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15398 (expand_value_return): Correctly convert VAL when promoting function
15399 return; support RETURN_REG being a PARALLEL.
15401 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15403 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15405 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15407 * hard-reg-set.h (reg_names): Constify a char*.
15409 * regclass.c (reg_names): Likewise.
15411 * regs.h (reg_names): Likewise
15413 * a29k/a29k.c (reg_names): Delete declaration.
15415 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15417 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15418 arc_output_function_epilogue): Likewise.
15420 * elxsi/elxsi.c (reg_names): Likewise.
15422 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15424 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15427 * m88k/m88k.c (output_function_profiler): Likewise.
15429 * sparc/sparc.c (sparc_flat_output_function_prologue,
15430 sparc_flat_output_function_epilogue): Likewise.
15432 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15434 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15435 warning from -Wuninitialized and put it under -W.
15436 * function.c (uninitialized_vars_warning): Warn only when the
15437 corresponding flag is set.
15439 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15441 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15442 is nonzero and the single set does not have an elt, then assign
15445 * simplify-rtx.c: New file.
15446 * Makefile.in (OBJS): Add simplify-rtx.o
15447 (simplify-rtx.o): Add dependencies.
15448 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15449 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15450 (cse_gen_binary, simplify_unary_operation): Delete.
15451 (simplify_binary_operation, simplify_plus_minus): Likewise.
15452 (check_fold_consts, simplify_relation_operation): Likewise.
15453 (simplify_ternary_operation): Likewise.
15454 (delete_trivially_dead_insns): Simplify the contents of the
15455 REG_EQUAL note before trying to substitute it into the source
15456 of the reg-reg copy at the end of a libcall sequence.
15458 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15459 references/callers changed.
15461 * mn10200.c (mn10200_va_arg): Force the return value into a
15464 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15466 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15469 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15471 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15473 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15475 * fold-const.c (fold): Fix thinko when optimizing comparisons
15478 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15480 * gcc.texi (Passes): Update front-end files to their current
15483 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15485 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15486 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15487 (PREDICATE_CODES): Add addition_operation.
15488 * alpha-protos.h (addition_operation): Declare.
15489 (secondary_reload_class): Likewise.
15490 * alpha.c (addition_operation): New.
15491 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15492 * alpha.md (adddi3): Turn into expander.
15493 (*lda, *adddi_2): New.
15494 (movsf, movdf patterns): Don't preference integer regs.
15495 (movsi, movdi patterns): Don't preference fp regs.
15497 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15499 * genrecog.c (write_switch): Check for duplicate CODE cases.
15501 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15503 * ggc-common.c: Update pre-function commentary.
15504 * ggc-page.c: Likewise.
15506 (poison_pages): Use memset directly.
15507 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15508 (ggc_collect): Poison before sweeping.
15509 * ggc-simple.c: Update pre-function commentary.
15510 (ggc_alloc_obj): Poison non-zeroed memory.
15512 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15514 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15515 match format string, even on 64-bit hosts.
15516 * gcc-page.c (ggc_page_print_statistics): Likewise.
15518 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15520 * config/i386/i386.c (ix86_cpu): Revert last patch.
15521 * config/i386/i386.h (ix86_cpu): Ditto.
15523 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15525 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15526 TYPE_SIZE, convert type of result to sizetype.
15528 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15530 * flow.c (count_or_remove_death_notes): Equate NULL with the
15533 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15534 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15537 * i386.c (pic_label_no): Delete.
15538 (ix86_attr_length_default): Don't use single_set to peek
15541 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15542 the first insn after bb->end.
15543 * i386.md (push mem peeps): Scratch is live after evaluation
15545 (cmp mem peep): Similarly.
15547 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15549 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15550 * function.c (pad_to_arg_alignment): Add missing braces.
15552 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15554 * alpha/alpha-protos.h (literal_section): Add prototype.
15555 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15558 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15560 (alpha_start_function, alpha_end_function, float_strings,
15561 alpha_need_linkage): Constify a char*
15563 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15565 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15567 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15569 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15571 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15573 * flow.c (debug_flow_info): Add prototype.
15575 * gcc.c (main): Likewise.
15577 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15580 * reload1.c (failed_reload, set_reload_reg): Likewise.
15582 * mips-tfile.c (main): Likewise.
15583 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15584 with ATTRIBUTE_NORETURN.
15586 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15588 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15589 DECL is not a memory ref.
15591 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15593 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15594 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15596 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15598 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15599 * config/mips/elf64.h: ditto.
15601 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15603 * expr.c (emit_push_insn): New argument alignment_pad.
15604 Update all callers. Adjust stack pointer based on alignment pad.
15605 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15606 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15607 (locate_and_pad_parm): New argument alignment_pad. Update all
15609 * expr.h (emit_push_insn): Update prototype.
15610 (locate_and_pad_parm): Update prototype.
15611 * calls.c (arg_data): Add new field alignment_pad.
15612 (initialize_argument_information): Initialize alignment_pad.
15614 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15616 * except.c (free_eh_nesting_info): Free the info itself.
15617 * function.c (free_after_compilation): Don't free NULL.
15618 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15619 (pre_edge_insert): Free inserted.
15620 * stmt.c (free_stmt_status): Don't free NULL.
15622 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15624 * gcov.c (DIR_SEPARATOR): Provide default.
15625 (output_data): Add test for MS-DOS format absolute filename.
15626 (fancy_abort): Correct program name.
15627 (open_files): Open all files in binary mode.
15628 * libgcc2.c (__bb_exit_func): Likewise.
15630 * profile.c (init_branch_prob): Specify binary when opening files.
15632 * flags.h (flag_unwind_tables): New decl.
15633 * toplev.c (flag_unwind_table): New definition.
15634 (f_options): Add -funwind-tables.
15635 (decode_g_option): Clarify warning when unknown -g option is given.
15636 (rest_of_compilation): If inside an inlined external function,
15637 pretend we are just being declared.
15639 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15640 (dwarf2out_frame_finish): Likewise.
15642 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15644 * fold-const.c (merge_ranges): If not in0, but in1, handle
15645 upper bounds equal like subset case.
15647 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15649 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15650 passed in a register but moved to the stack.
15652 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15654 * gcc.c (pass_exit_codes, greatest_status): New variables.
15655 (struct option_map): Add entry for "--pass-exit-codes".
15656 (execute): Update greatest_status if error.
15657 (display_help): Add documentation for -pass-exit-codes.
15658 (process_command): Handle -pass-exit-codes.
15659 (main): Look at pass_exit_codes and greatest_status on call to exit.
15661 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15663 * reload.c (find_reloads): Refine test for no input reload
15664 case to not includes reloads emitted after insn.
15666 * function.c (find_temp_slots_from_address): Handle sum involving
15667 a register that points to a temp slot.
15668 (update_temp_slot_address): Make recursive call if both old and
15669 new are PLUS with a common operand.
15670 * calls.c (expand_call): Mark temp slot for result as having
15673 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15675 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15676 component as well as "BINUTILS".
15678 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15679 * integrate.c (copy_rtx_and_substitute): Likewise.
15680 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15681 All callers changed.
15682 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15684 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15685 gdb extensions, write size of type; also be more consistent
15686 in using references when this is a subtype.
15688 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15689 that is out of range.
15691 * loop.c (unknown_constant_address_altered): New variable.
15692 (prescan_loop): Initialize it.
15693 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15694 (invariant_p, case MEM): Remove handling for volatile and readonly;
15695 check new variable if readonly.
15696 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15698 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15699 (addr_affects_sp_p): Removed from note_mem_written and only
15700 define #ifdef AUTO_INC_DEC.
15702 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15704 * regclass.c (record_reg_classes): Properly handle register move
15707 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15708 Don't think valid if both operands are invalid.
15709 (struct constant_descriptor): New field RTL.
15710 (mark_const_hash_entry): Mark it.
15711 (record_constant{,_rtx}): Initialize it.
15712 (output_constant_def): Allocate RTL in permanent obstack and
15714 ({record,compare}_constant_1): Modes must match for
15715 CONSTRUCTOR of ARRAY_TYPE.
15717 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15718 * output.h (initializer_constant_valid_p): Move decl to here.
15719 * c-common.c (initializer_constant_valid_p): Delete function from here.
15720 * varasm.c (initializer_constant_valid_p): Move function to here.
15722 * tree.h (STRIP_SIGN_NOPS): New macro.
15723 * fold-const.c (optimize_minmax_comparison): New function.
15724 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15725 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15726 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15727 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15728 widening conversions.
15729 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15730 to look at size of mode, not precision of type; also add missing cases.
15731 (optimize_bit_field_compare, decode_field_reference): Don't try to
15732 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15734 * dwarf2out.c (ctype.h): Include.
15735 (dwarf2out_set_demangle_name_func): New function.
15736 (size_of_line_info): Deleted.
15737 (output_line_info): Compute size of line info table from difference
15739 (base_type_die, add_name_attribute): Call demangle function, if any.
15740 (field_byte_offset): Use bits per word for variable length fields.
15741 (gen_array_type_die): Add array name.
15742 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15743 (dwarf2out_add_library_unit_info): New function.
15745 * explow.c (set_stack_check_libfunc): New function.
15746 (stack_check_libfunc): New static variable.
15747 (probe_stack_range): Allow front-end to set up a libfunc to call.
15749 * combine.c (simplify_comparison): When making comparison in wider
15750 mode, check for having commuted an AND and a SUBREG.
15751 (contains_muldiv): New function.
15752 (try_combine): Call it when dividing a PARALLEL.
15753 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15754 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15756 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15757 use one of the CLOBBERs instead.
15758 (if_then_else_cond): If comparing against zero, just return thing
15761 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15762 Don't generate shifts and subtract if have conditional arithmetic.
15764 * rtl.h (delete_barrier): New declaration.
15765 * jump.c (jump_optimize): Set up to handle conditional call.
15766 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15767 (delete_barrier): New function.
15769 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15771 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15773 * tree.c (build_type_attribute_variant): Push to obstack of
15774 ttype around type_hash_canon call.
15776 * expr.c (placeholder_list): Move decl to file scope.
15777 (expand_expr): Don't force access to volatile just because its
15779 If ignoring reference operations, just expand the operands.
15780 (expand_expr, case COMPONENT_REF): Propagate
15781 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15782 Refine test for using bitfield operations vs pointer punning.
15783 (expand_expr, case CONVERT_EXPR): If converting to
15784 BLKmode UNION_TYPE from BLKmode, just return inner object.
15785 Use proper mode in store_field call.
15786 Properly set sizes of object to store and total size in store_field
15787 call for convert to union.
15788 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15789 memory (like for ADDR_EXPR). Also, don't put constant in register if
15790 we'll want it in memory.
15791 (readonly_fields_p): New function.
15792 (expand_expr, case INDIRECT_REF): Call it if LHS.
15793 (expand_assignment): Handle a RESULT_DECL where
15794 DECL_RTL is a PARALLEL.
15795 (do_jump, case WITH_RECORD_EXPR): New case.
15796 (get_inner_reference): Always go inside a CONVERT_EXPR
15797 and NOP_EXPR if both modes are the same.
15798 (store_field): Use bitfield operations if size of bitsize is not same
15799 as size of RHS's type.
15800 Check for bitpos not a multiple of alignment in BLKmode case.
15801 Do block move in largest possible alignment.
15802 (store_constructor): Set BITSIZE to -1 for variable size and properly
15803 in case of array of BLKmode.
15804 (expand_expr_unaligned): New function.
15805 (do_compare_and_jump): Call it.
15807 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15808 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15809 does not include 'o'.
15811 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15812 both SET_DEST and SET_SRC reference a virtual register.
15813 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15815 * integrate.c (expand_inline_function): Handle case of setting
15816 virtual stack vars register (from built in setjmp); when parameter
15817 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15818 (subst_constant): Add new parm, MEMONLY.
15819 (expand_inline_function, integrate_parm_decls): Pass new parm.
15820 (integrate_decl_tree): Likewise.
15821 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15822 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15823 (copy_rtx_and_substitute, case SET): Add explicit calls to
15824 copy_rtx_and_substitute for both sides.
15826 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15828 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15829 within INDEX_TYPE, instead of before.
15830 (fixup_gotos): Use f->target_rtl, not the next insn,
15831 since latter may be from a later fixup.
15832 (expand_value_return): Correctly convert VAL when promoting function
15833 return; support RETURN_REG being a PARALLEL.
15834 (expand_return): When checking for result in regs and having
15835 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15837 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15839 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15840 last_nominal_fname): Mark const.
15841 (struct include_hash: name, nshort, control_macro): Mark
15843 (struct macrodef: symnam): Mark const.
15844 (struct if_stack: fname): Mark const.
15845 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15846 (IStable): New character-syntax array which encompasses all
15847 the old is_foo arrays.
15848 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15849 is_space): New macros for interrogating IStable.
15850 (check_macro_name): Kill last argument. All callers changed.
15852 * cppinit.c (initialize_char_syntax): Delete.
15853 (is_idchar, is_idstart, is_hor_space, is_space,
15854 trigraph_table): Delete.
15855 (IStable): New. Initialize with clever macros to avoid
15856 information duplication.
15857 (builtin_array): Table of builtins to get rid of explicit list
15858 in initialize_builtins.
15859 (initialize_builtins): Use builtins_array.
15860 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15861 opts->dollars_in_ident.
15863 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15865 (cpp_parse_expr): Avoid 'format string is not constant'
15866 warning. Use ISGRAPH to identify printable chars.
15867 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15869 (read_and_prescan): Map trigraphs to chars with open-coded
15870 if-else-if-... sequence, not a lookup table.
15871 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15873 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15874 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15875 (check_macro_name): Remove ability to report an invalid
15876 assertion name, which is never used.
15877 (do_line): Constify a couple of char *'s.
15878 * cppmain.c (main): Call cpp_cleanup before returning.
15880 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15882 * ggc.h (struct ggc_statistics): New type.
15883 (ggc_get_size): New function.
15884 (ggc_print_statistics): Likewise.
15885 * ggc-common.c (ggc_stats): New variable.
15886 (ggc_mark_rtx_children): Keep statistics.
15887 (ggc_mark_tree_children): Likewise.
15888 (ggc_print_statistics): New function.
15889 * ggc-page.c (struct globals): Add bytes_mapped field.
15890 (alloc_anon): Update it.
15891 (release_pages): Likewise.
15892 (ggc_get_size): New function.
15893 (ggc_page_print_statistics): New function.
15894 * ggc-simple.c (ggc_get_size): New function.
15896 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15898 * flow.c (propagate_block): When the last reference to a label
15899 before an ADDR_VEC is deleted because the reference is a dead
15900 store, delete the ADDR_VEC.
15902 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15904 * resource.c (find_free_register): Don't use the frame pointer
15905 if frame_pointer_needed.
15907 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15909 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15910 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15912 * config/i960/i960.c (i960_va_start): New locals base, num.
15913 Use INDIRECT_REF instead of ARRAY_REF on valist.
15914 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15916 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15918 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15920 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15922 * tree.def (PLACEHOLDER_EXPR): Update comments.
15924 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15926 * c-common.c (check_format_info): Avoid non-literal format string
15927 warnings when `first_arg_num' is zero.
15929 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15931 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15933 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15935 * arm.md (casesi_insn): Add a clobber of the condition code
15938 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15940 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15941 used by both cc1 and cc1plus.
15943 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15945 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15946 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15947 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15948 to the value 32 if it has not already been defined.
15949 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15950 Override definition in arm.h with a value of 8.
15952 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15954 * c-pragma.c (push_alignment): Don't check the return value
15957 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15959 * sparc.h (ADJUST_COST): Fix thinko.
15961 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15963 * cccp.c (rescan): Fixed obp pointer handling around call to
15964 check_expand subroutine.
15966 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15968 * gcse.c (delete_null_pointer_checks): Only record non-null info
15969 for pseudos when examining stores.
15971 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15972 splitters for these patterns. Use "#" for output templates.
15973 (addsi3_carryin_shift): New pattern.
15975 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15977 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15978 of the function return register into a plain REG until
15979 after function inlining is done.
15981 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15983 * jump.c (jump_optimize_1): If we did cross-jumping, and
15984 the data will matter, rebuild the CFG.
15985 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15986 not optimizing. Don't run shorten_branches.
15987 * toplev.c (rest_of_compilation): Run shorten_branches after
15990 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15992 * rtl.h (note_stores): Add additional paramter.
15993 * rtlanal.c (reg_set_p_1): Take additional paramter.
15994 (reg_set_last_1): Likewise.
15995 (reg_set_p): Adjust call to note_stores.
15996 (reg_set_last): Likewise.
15997 (note_stores): Pass data parameter to worker function.
15998 * alias.c (record_set): Take additional parameter.
15999 (init_alias_analysis): Pass it.
16000 * caller-save.c (mark_set_regs): Take additional parameter.
16001 (save_call_clobbered_regs): Pass NULL to note_stores.
16002 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16004 (record_dead_and_set_regs_1): Likewise.
16005 (reg_dead_at_p_1): Likewise.
16006 (combine_instructions): Adjust calls to note_stores.
16007 (try_combine): Likewise.
16008 (record_dead_insn): Remove.
16009 (record_dead_and_set_regs): Adjust calls to note_stores.
16010 (reg_dead_at_p): Likewise.
16011 * cse.c (invalidate_skipped_set): Take additional parameter.
16012 (cse_check_loop_start): Likewise.
16013 (cse_check_loop_start_value): Remove.
16014 (cse_set_around_loop): Adjust calls to note_stores.
16015 * flow.c (notice_stack_pointer_modification): Take additional
16016 parameter. Remove duplicate declaration.
16017 (record_volatile_insns): Adjust calls to note_stores.
16018 * gcse.c (record_set_info): Take additional parameter.
16019 (record_last_set_info): Likewise.
16020 (invalidate_nonnull_info): Likewise.
16021 (record_set_insn): Remove.
16022 (compute_sets): Adjust calls to note_stores.
16023 (last_set_insn): Remove.
16024 (compute_hash_table): Adjust calls to note_stores.
16025 (insert_insn_end_bb): Likewise.
16026 (delete_null_pointer_checks): Likewise.
16027 * global.c (mark_reg_store): Take additional parameter.
16028 (mark_reg_clobber): Likewise.
16029 (reg_becomes_live): Likewise.
16030 (global_conflicts): Adjust calls to note_stores.
16031 (build_insn_chain): Likewise.
16032 * integrate.c (note_modified_parmregs): Take additional parameter.
16033 (mark_stores): Likewise. Make it static.
16034 (save_for_inline_nocopy): Adjust calls to note_stores.
16035 (try_constants): Likewise.
16036 * integrate.h (mark_stores): Remove declaration.
16037 * jump.c (mark_modified_reg): Take additional parameter.
16038 (thread_jumps): Adjust calls to note_stores.
16039 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16041 (no_equiv): Likewise.
16042 (reg_is_set): Likewise.
16043 (validate_equiv_mem): Adjust calls to note_stores.
16044 (update_equiv_regs): Likewise.
16045 (block_alloc): Likewise.
16046 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16047 (note_addr_stored): Take additional parameter.
16048 (note_set_pseudo_multiple_uses): Likewise.
16049 (record_initial): Likewise.
16050 (prescan_loop): Adjust calls to note_stores.
16051 (strength_reduce): Likewise.
16052 (check_dbra_loop): Likewise.
16053 * regmove.c (flags_set_1): Take additional paramter.
16054 (mark_flags_life_zones): Adjust calls to note_stores.
16055 * reload1.c (mark_not_eliminable): Take additional parameter.
16056 (forget_old_reloads_1): Likewise.
16057 (reload_cse_invalidate_rtx): Likewise.
16058 (reload_cse_check_clobber): Likewise.
16059 (reload_combine_note_store): Likewise.
16060 (move2add_note_store): Likewise.
16061 (reload): Adjust calls to note_stores.
16062 (reload_as_needed): Likewise.
16063 (emit_reload_insns): Likewise.
16064 (reload_cse_regs_1): Likewise.
16065 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16066 (reload_combine): Adjust calls to note_stores.
16067 * resource.c (update_live_status): Take additional paramter.
16068 (mark_target_live_regs): Adjust calls to note_stores.
16069 * stupid.c (find_clobbered_regs): Take additional parameter.
16070 (stupid_life_analysis): Adjust calls to note_stores.
16072 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16074 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16077 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16080 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16081 of the variable arm_structure_size_boundary.
16083 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16085 * alias.c (init_alias_analysis): Allocate reg_known_value and
16086 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16088 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16089 * cse.c (cse_main): Call end_alias_analysis.
16090 * haifa-sched.c (schedule_insns): Likewise.
16091 * local-alloc. (update_equiv_regs): Likewise.
16092 * reload1.c (reload_cse_regs): Likewise.
16094 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16096 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16097 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16098 mapping from MASK_FPU.
16100 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16102 * sparc.md (call): Don't bound structure return size to 0xfff.
16104 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16106 * resource.c (mark_target_live_regs): Check that the target
16107 insn wasn't created after compute_bb_for_insn.
16109 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16111 * ggc-page.c (poison_pages): Don't be overzealous.
16113 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16115 * alias.c: Update comments for ADDRESS.
16116 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16117 it is a local memory reference.
16119 * c-typeck.c (build_function_call): Check that the built-in
16120 function is of class BUILT_IN_NORMAL before trying to recongize
16121 it as BUILT_IN_ABS.
16122 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16123 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16125 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16127 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16129 (pre_gcse): Likewise.
16130 (hoist_expr_reaches_here_p): Likewise.
16131 (hoist_code): Likewise.
16132 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16134 (pre_expr_reaches_here_p_work): ... here.
16135 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16137 (expr_reaches_here_p_work): ... here.
16139 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16141 * resource.c (find_basic_block): Delete.
16142 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16143 (init_resource_info): Call compute_bb_for_insn.
16145 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16147 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16148 with already adjacent blocks, but no fallthru.
16149 (merge_blocks_move_successor_nojumps): Simplify.
16150 (debug_flow_info): New.
16152 * toplev.c (rest_of_compilation): Open jump1 dump file before
16153 jump and close after, as opposed to just using dump_rtl.
16155 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16157 * reload.h (earlyclobber_operand_p): Declare.
16158 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16159 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16160 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16161 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16163 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16164 Richard Henderson <rth@cygnus.com>
16166 * emit-rtl.c (emit_block_insn_before): New.
16167 (emit_block_insn_after): New.
16168 * basic-block.h: Declare them.
16170 * bitmap.h: Protect from multiple inclusion.
16172 * recog.c (scratch_operand): Handle VOIDmode correctly.
16174 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16176 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16177 * function.c (assign_parms): Likewise.
16178 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16180 * reg-stack.c (max_uid): Remove.
16181 (blocks, block_begin, block_end, block_drops_in): Remove.
16182 (block_stack_in, block_out_reg_set, block_number): Remove.
16183 (struct block_info_def, BLOCK_INFO): New.
16184 (enum emit_where): New.
16185 (current_block): New.
16186 (BLOCK_NUM): Remove.
16187 (mark_regs_pat, record_label_references): Remove.
16188 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16190 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16191 (reg_to_stack): Simplified test for existance of fp code. Use
16192 flow.c code. Call shorten_branches after cross-jump opt.
16193 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16194 Return false if the asm doesn't use stack regs. Don't do life
16195 analysis on the asm.
16196 (emit_pop_insn): Replace function pointer arg `when' with
16197 enum `where'. Update all callers.
16198 (change_stack): Likewise. Update basic block end.
16199 (emit_swap_insn): Use current_block->head to limit reverse search
16200 for start of block. Use emit_block_insn_after.
16201 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16202 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16203 structure assignment instead of bcopy.
16204 (print_stack): New.
16205 (convert_regs_entry, convert_regs_exit): New.
16206 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16207 Work on basic blocks and the CFG.
16208 (convert_regs): Use them.
16210 * i386.c (output_fix_trunc): Remove code for DImode input operand
16211 not at top-of-stack.
16212 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16214 (fix_truncdi_1): Allow any mode scratch.
16216 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16218 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16219 * linux.h, netbsd.h, vms.h: Not here.
16221 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16223 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16224 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16225 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16226 CONDITIONAL_REGISTER_USEAGE): Use them.
16227 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16228 gen_conditional_branch,override_options) : Use them.
16229 * config/mips/mips.md : Use them.
16231 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16233 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16235 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16237 * integrate.c (function_cannot_inline_p): Don't allow inlining
16240 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16242 * c-parse.in (cast_expr): Constify.
16244 * cccp.c (special_symbol): Likewise.
16246 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16248 * dwarf2out.c (base_type_die): Likewise.
16250 * global.c (allocno_compare): Likewise.
16252 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16254 * regclass.c (fix_register): Likewise.
16256 * rtl.h (fix_register): Likewise.
16258 * stupid.c (stupid_reg_compare): Likewise.
16260 * toplev.c (decode_f_option): Likewise.
16262 * tree.c (build_complex_type): Likewise.
16264 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16266 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16268 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16270 * reload.c (find_reloads): Compute mode and nregs fields of all
16272 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16273 (calculate_needs): Use precomputed mode/nregs values.
16274 (allocate_reload_reg): Likewise.
16276 (failed_reload, set_reload_reg): ... new functions.
16277 (choose_reload_regs_init): New function, mostly broken out from...
16278 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16279 Also lose one #if 0 block.
16281 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16283 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16286 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16288 * tree.h (BLOCK_TYPE_TAGS): Remove.
16289 (BLOCK_END_NOTE): Likewise.
16290 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16291 (BLOCK_LIVE_RANGE_START): Likewise.
16292 (BLOCK_LIVE_RANGE_END): Likewise.
16293 (tree_block): Remove live_range_flag, live_range_var_flag, and
16294 type_tags. Remove end_note, live_range_start, and live_range_end.
16295 (remember_end_note): Remove prototype.
16296 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16297 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16299 * ggc-common.c (ggc_mark_tree_children): Don't mark
16300 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16301 * integrate.c (adjust_copied_decl_tree): Remove.
16302 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16303 * stmt.c (last_block_end_note): Remove.
16304 (init_stmt): Don't add a GC root for it.
16305 (expand_fixup): Don't set it.
16306 (remember_end_note): Remove.
16307 (expand_end_bindings): Don't set last_block_end_note.
16309 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16311 * reload1.c (reload_reg_free_for_value_p): Show
16312 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16315 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16317 * expmed.c (extract_bit_field): Allow for the case of non-integer
16318 objects that are smaller than a word (like SFmode on a 64-bit
16321 * loop.c (basic_induction_var): A non-integer variable which is
16322 being set by a paradoxical subreg is probably not a biv.
16324 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16326 * prefix.c (translate_name) Check for empty prefix string.
16328 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16330 * Makefile.in (CPP_CROSS_NAME): New variable.
16331 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16333 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16334 names of the files to be uninstalled.
16336 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16338 * collect2.c (IS_DIR_SEPARATOR): Define.
16339 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16341 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16344 * haifa-sched.c (add_dependence): Update the true dependency
16345 cache the first time we add a true dependence to the LOG_LINKS chain.
16347 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16349 * fold-const.c (fold): Fix comment.
16351 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16353 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16354 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16355 dbxout_start_new_source_file, dbxout_source_file,
16356 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16357 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16359 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16360 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16361 (dbxout_block): Initialize variable `blocknum'.
16363 * dbxout.h (dbxout_init, dbxout_finish,
16364 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16365 dbxout_args, dbxout_source_line): Constify a char*.
16367 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16368 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16369 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16370 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16371 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16372 src_info_attribute, mac_info_attribute, producer_attribute,
16373 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16374 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16375 dwarfout_undef): Constify a char*.
16376 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16378 * dwarfout.h (dwarfout_define, dwarfout_undef,
16379 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16381 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16383 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16384 (MULTILIB_ISA_DEFAULT): New.
16385 (MULTILIB_DEFAULTS): Use it.
16386 * config/mips/mips.c (): Remove the now unnecessary definition
16387 of MIPS_ISA_DEFAULT.
16388 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16389 unnecessary definition.
16391 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16393 * arm.md (pic_load_addr): Add constraints to operand 1.
16395 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16397 * fixinc/genfixes: Provide a means for specifying -D options to
16400 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16402 * arm.c (arm_override_options): Correct initialization of
16403 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16404 arm_is_strong, and arm_is_6_or_7.
16406 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16407 (note_set_pseudo_multiple_uses): New function.
16408 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16409 if a pseudo set in the loop exit is used elsewhere.
16411 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16413 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16415 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16417 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16418 a single load-address pattern.
16420 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16422 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16423 depending on whether or not line-number notes are present.
16425 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16427 * cccp.c (progname, file_buf, default_include, include_file,
16428 macrodef, definition, hashval, wchar_type, user_label_prefix,
16429 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16430 expand_to_temp_buffer, is_system_include, base_name,
16431 absolute_filename, read_name_map, open_include_file,
16432 record_control_macro, check_precompiled, check_preconditions,
16433 pcfinclude, pass_thru_directive, create_definition,
16434 check_macro_name, comp_def_part, collect_expansion,
16435 check_assertion, read_token_list, assertion_install,
16436 assertion_lookup, eval_if_expression, conditional_skip,
16437 validate_else, skip_quoted_string, quote_string, macarg1,
16438 error_from_errno, install, lookup, hashf, dump_defn_1,
16439 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16440 check_white_space, rescan, handle_directive, monthnames,
16441 special_symbol, do_include, remap_include_file, write_output,
16442 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16443 do_ident, do_sccs, do_xifdef, skip_if_group,
16444 output_line_directive, macroexpand, macarg, change_newlines,
16445 initialize_builtins, make_definition): Constify a char*.
16447 * pcp.h (stringdef): Likewise.
16449 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16451 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16454 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16455 Richard Henderson <rth@cygnus.com>
16457 * alias.c: Include ggc.h.
16458 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16459 (record_set): Verify enough room in reg_base_value.
16460 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16461 Register it as a GC root.
16462 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16463 * Makefile.in (alias.o): Depend on ggc.h.
16465 * unroll.c (unroll_loop): Verify the insn before a barrier
16466 is a JUMP_INSN before checking JUMP_LABEL.
16468 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16470 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16471 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16472 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16473 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16474 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16475 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16477 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16479 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16481 * alpha/alpha-interix.h (text_section): Delete prototype.
16482 * alpha/elf.h (text_section): Likewise.
16483 * arm/linux-elf.h (text_section): Likewise.
16484 * arm/linux-telf.h (text_section): Likewise.
16485 * c4x/c4x.h (text_section): Likewise.
16486 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16487 * elfos.h (text_section): Likewise.
16488 * i386/aix386ng.h (text_section): Likewise.
16489 * i386/i386-interix.h (text_section): Likewise.
16490 * i386/sco5.h (text_section): Likewise.
16491 * i386/svr3gas.h (text_section): Likewise.
16492 * nextstep.h (text_section): Likewise.
16493 * psos.h (text_section): Likewise.
16494 * ptx4.h (text_section): Likewise.
16495 * svr3.h (text_section): Likewise.
16496 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16498 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16500 * final.c (peephole): Delete prototype.
16502 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16503 (pre_insert_copies): Remove unused variable `bb'.
16505 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16508 * output.h (peephole): Add prototype.
16510 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16512 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16515 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16517 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16518 for inlined declarations.
16520 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16522 * arm.c (logical_binary_operator): New fucntion.
16523 * arm.h (logical_binary_operator): Declare it.
16524 (PREDICATE_CODES): Handle logical_binary_operator.
16525 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16526 output constraints. Add appropriate splitters.
16527 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16528 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16529 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16531 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16533 * genoutput.c (struct operand_data): New elt eliminable.
16534 (output_operand_data): Write it.
16535 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16536 (compare_operands): Take it into account.
16537 * recog.h (struct insn_operand_data): New elt eliminable.
16538 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16540 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16541 (eliminate_regs): Move code that detects changes to elimination
16542 target regs into new function elimination_effects.
16543 Delete one #if 0 block.
16544 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16545 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16546 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16547 Only call eliminate_regs for real operands of the insn, not for parts
16548 of its structure or parts matched by things like match_operator.
16549 Use elimination_effects and check_eliminable_occurrences. Use
16550 copy_insn to duplicate the pattern when not in the final pass.
16552 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16554 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16557 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16559 * fixinc/README: document the "mach" machine matching test
16560 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16561 * fixinc/fixtests.c: Implement the #else/#endif label test
16562 * fixinc/inclhack.def: utilize these tests and fixes
16563 * fixinc/inclhack.sh: regen
16564 * fixinc/fixincl.x: regen
16565 * fixinc/fixincl.sh: regen
16567 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16569 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16572 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16574 * gcc.1: Document exit codes.
16576 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16578 * calls.c: Include tm_p.h later, so everything we need is defined.
16579 * expr.c: Likewise.
16580 * function.c: Likewise.
16582 * except.c: Include tm_p.h.
16584 * sparc.c: Likewise.
16585 (dwarf2out_cfi_label): Don't prototype.
16586 (check_return_regs, epilogue_renumber,
16587 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16588 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16589 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16590 ultra_schedule_insn): Add static prototype.
16591 (data_segment_operand, text_segment_operand): Call itself with the
16592 proper number of arguments.
16593 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16595 * sparc.h: Move all declarations to sparc-protos.h.
16596 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16599 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16601 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16603 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16604 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16605 ASM_OUTPUT_ASCII): Constify a char*.
16607 * sparc-protos.h: New file for sparc prototypes.
16609 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16611 * function.c (record_insns, contains): Always declare and define.
16612 (record_insns): Mark with ATTRIBUTE_UNUSED.
16614 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16616 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16617 to .section when outputting a .bss section to deal with multiple
16618 .bss input sections (as happens with -fdata-sections)
16619 Also output %progbits, not @progbits so the assembler doesn't treat as
16621 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16623 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16624 thumb parts even when building with non-thumb CPUs, by forcing
16627 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16629 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16630 (movdf_const_intreg_sp64): Similarly.
16632 * local-alloc.c (update_equiv_regs): Check the correct insn
16633 for pre-existing REG_EQUIV notes.
16635 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16637 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16638 block reached by a branch if we're not going to actually process
16641 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16643 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16644 a local extern function declaration.
16646 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16648 * i386.c (ix86_expand_prologue): Properly wrap USE around
16649 reg for CALL_INSN_FUNCTION_USAGE.
16651 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16653 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16654 move between GP_REGs.
16656 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16658 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16659 the mode size when finding out if an offset is legal.
16661 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16663 * basic-block.h (PROP_*): Move constants from ...
16664 * flow.c: ... here.
16665 (compute_bb_for_insn): Free the array before reallocating.
16666 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16667 (allocate_reg_life_data): Reset all reg variables collected by
16669 (get_block_head_tail): Don't convert from bb to block.
16670 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16671 (find_insn_reg_weight): Take block not bb.
16672 (schedule_block): Don't set block num for moved insns.
16673 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16674 (schedule_insns): Do it here instead.
16675 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16676 before update_life_info.
16677 * recog.c (split_all_insns, peephole2_optimize): Update for
16678 new arg to update_life_info.
16679 * rtlanal.c (remove_note): Cope with NULL note.
16680 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16683 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16685 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16687 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16688 block records so that merge_blocks_nomove will clean up correctly.
16689 (split_edge): Handle casesi insns.
16691 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16693 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16695 * pa.md (call, call_value): Do not emit a blockage after restoring
16698 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16700 * c-typeck.c (c_expand_asm_operands): Fix typo.
16702 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16704 * arm.c (fpu_rhs_operand): Verify modes.
16705 (fpu_add_operand): Likewise.
16706 (di_operand): Likewise.
16707 (soft_df_operand): Likewise.
16709 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16711 * arm.c (arm_return_in_memory): APCS rules state that the elements
16712 of a structure returned in a register must be 'integer-like'.
16714 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16716 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16717 in the source tree when the generated targets are out of date
16718 * fixinc/genfixes: Alter it to run individual fixes for make.
16719 * fixinc/README: rewrite
16720 * fixinc/inclhack.def: moved initial comments to README
16722 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16724 * toplev.c (main): Do not generate an error message if an
16725 unrecognised command line switch is recognisable by another
16726 language. If extra_warnings are enabled, then generate a
16727 warning message instead.
16729 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16731 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16732 (insert_pack_attributes): Delete prototype.
16734 * c-pragma.c (default_alignment): New static variable.
16735 (push_alignment): Initialize to current effective alignment.
16736 (pop_alignment): Use to set new alignment.
16737 (insert_pack_attributes): Delete function.
16738 (handle_pragma_token): Set default_alignment as well each time
16739 a #pragma pack(<n>) is encountered.
16741 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16743 * reg-stack.c (stack_result): Aggregates are not returned in
16746 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16748 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16750 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16752 * basic-block.h (set_block_num): Declare.
16753 * flow.c (update_life_info): Don't call compute_bb_for_insn
16754 or free_basic_block_vars.
16755 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16756 (insn_orig_block): Remove.
16757 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16758 (schedule_block): Keep BLOCK_NUM up-to-date.
16759 (schedule_insns): Use compute_bb_for_insn.
16760 * recog.c (split_all_insns): Likewise.
16761 (peephole2_optimize): Likewise.
16763 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16765 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16766 if the pic register is used.
16768 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16770 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16771 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16772 if that tests TREE_PERMANENT.
16774 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16776 * cse.c (invalidate_for_call): Do not remove memory references from
16777 the table here. It's handled elsewhere.
16779 * haifa-sched.c (add_dependence): Protect references to the
16780 true dependency cache with #ifdef INSN_SCHEDULING.
16781 (remove_dependence): Similarly.
16783 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16784 to the cfg code that this is a return instruction.
16785 * mn10300.md (return_internal): Similarly.
16787 * combine.c (get_last_value): If the last set of a register
16788 is after subst_low_cuid, then we can not use it to determine
16789 the register's last value.
16791 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16793 * Makefile.in: Back out previous change.
16795 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16797 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16799 * haifa-sched.c (add_dependence): Only check/update the cache
16801 (remove_dependence): Likewise.
16802 (schedule_insns): Only create the true_dependency_cache if the
16803 average number of instructions in a basic block is very large.
16805 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16807 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16808 (ggc-simple.o): Likewise.
16809 (ggc-page.o): Likewise.
16811 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16813 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16814 Prototype for exported functions.
16815 (pre_lcm, pre_rev_lcm): Remove prototypes.
16816 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16817 (compute_available): Move to lcm.c, and change parameter order.
16818 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16819 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16820 (gcse_main): No longer call compute_preds_succs. Rebuild the
16821 set table after reach pre pass.
16822 (pre_insert_map, pre_delete_map, edge_list): New.
16823 (alloc_pre_mem): Allocate edge vectors.
16824 (free_pre_mem): Delete edge vectors.
16825 (compute_pre_data): Call new edge based lcm routines.
16826 (process_insert_insn): New function.
16827 (insert_insn_end_bb): Use it.
16828 (pre_edge_insert): New function.
16829 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16831 (pre_insert_copies): Revamp using new edge based lcm outputs.
16832 (pre_delete): Likewise.
16833 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16835 (compute_code_hoist_vbeinout): New new edge based routines.
16836 * lcm.c: Remove all the old LCM functions. Replace with new ones
16837 that work with the new cfg datastructures and work with edges
16840 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16842 * reload.h (struct reload): Add new fields "mode" and "nregs".
16843 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16844 to reference the "mode" and "nregs" field within struct reload.
16846 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16848 * haifa-sched.c (true_dependency_cache): New.
16849 (add_dependence): Use the true dependency cache to avoid expensive
16850 walks down the LOG_LINKS dependency list. Add entries to the
16851 cache as necessary.
16852 (remove_dependence): Remove entries from the true dependency cache
16854 (schedule_insns): Allocate and initialize and free the true
16857 * haifa-sched.c (schedule_insns): Do not remove inter-block
16858 dependencies anymore.
16860 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16862 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16863 * i386/t-winnt: Likewise.
16865 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16867 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16869 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16871 * Makefile.in (LANGUAGES): Omit "proto".
16872 (clean): Remove stale comment about removing unprotoize.c.
16874 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16876 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16877 using arithmetic on void pointers.
16879 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16881 * haifa-sched.c (compute_block_forward_dependencies): Only check
16882 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16884 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16886 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16887 (expr_equiv_p): Reject memories with different alias sets.
16889 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16891 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16892 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16893 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16894 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16895 (lang_init): Set default for flag_bounds_check if still "unspecified".
16897 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16899 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16901 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16903 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16906 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16908 * config/c4x/c4x.md (*db_noclobber,
16909 *decrement_and_branch_until_zero_noclobber): New patterns and
16910 associated splitters.
16912 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16914 * config/c4x/c4x.md (parallel instruction patterns): Rework
16915 constraints to keep reload happy.
16917 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16919 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16920 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16921 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16922 Add new patterns and associated post-reload splitters.
16924 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16926 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16928 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16930 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16932 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16934 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16936 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16939 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16941 * pa.c (move_operand): Rely on memory_address_p to determine the
16942 validity of non-indexed memory addresses.
16943 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16944 operand in DFmode and SFmode when generating PA2.0 code.
16946 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16948 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16950 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16952 * mips.c (function_prologue): Fix argument types.
16953 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16954 (casesi_internal): Write to the scratch register.
16956 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16958 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16960 (parse_charconst): Delete unnecessary cast when calling
16962 (cpplib.h): Kill prototype of cpp_parse_escape.
16964 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16966 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16967 * unroll.c (unroll_loop): Cast return value of alloca.
16968 * i370/i370.c: Include function.h and toplev.h.
16969 (i370_label_scan): Remove c++ commented abort.
16970 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16971 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16972 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16973 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16975 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16977 * config/t-freebsd: Do not override USER_H.
16978 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16980 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16981 Mumit Khan <khan@xraylith.wisc.edu>
16983 * c-parse.in (component_decl): Support anonymous struct/union.
16985 * c-parse.y: Regenerate.
16986 * c-parse.c: Likewise.
16987 * objc/objc-parse.y: Likewise.
16988 * objc/objc-parse.c: Likewise.
16989 * c-decl.c (finish_struct): Don't sort the fields.
16990 (field_decl_cmp): Delete unused function.
16992 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16994 * sparc.md (movsf_const_intreg): Revert last constraint change.
16995 (movdf_const_intreg_sp32): Likewise.
16997 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16999 * cse.c: Include hashtab.h instead of splay-tree.h
17000 (struct cse_reg_info): No longer use variant union. Add new
17001 field "regno". All references changed to avoid union.
17002 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17003 (free_cse_reg_info): Remove.
17004 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17005 (get_cse_reg_info): Revamp to use expandable hash tables instead
17006 of splay trees. Initialize new fields in cse_reg_info structure.
17007 (new_basic_block): Similarly.
17009 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17011 * genrecog.c (message_with_line): Prototype.
17012 (validate_pattern): Pass along the set for the dest, not a flag.
17013 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17014 Check for PC/CC0 as sources.
17015 (nodes_identical): Check for children position match before
17016 allowing the combination.
17018 * rtl.c (read_rtx): Track line number across \\\n.
17020 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17022 * mips.h (SPECIAL_MODE_PREDICATES): New.
17023 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17024 (movdi+1, movsi+1): Add output reload constraint.
17025 (casesi_internal): Likewise. Fix commentary.
17026 (return_internal): Use pmode_register_operand.
17028 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17030 * 1750a.md (movstrqi): Add missing output reload constraint.
17031 (call_value): Likewise.
17032 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17033 (jmpfdec): Add missing inout reload constraint.
17034 * elxsi.md (addsi patterns): Add missing output reload constraint.
17035 (move from sp): Use @ alternates.
17036 (call_value): No constraint on output.
17037 * fr30.md (movsi_pop): Add missing output reload constraint.
17038 (movsf_constant_store): Likewise.
17039 (splits): Remove constraints.
17040 (subsi3): Add missing mode.
17041 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17042 (call_value): Likewise.
17043 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17044 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17045 * m32r.md (movsicc_internal): Add output reload constraint.
17046 (movstrsi_internal): Add inout reload constraints.
17047 * m88k.h (reg_names): Don't declare.
17048 (SPECIAL_MODE_PREDICATES): New.
17049 * m88k.md (*): Use register_operand not reg_or_0_operand
17051 * mn10200.h (PREDICATE_CODES): New.
17052 * ns32k.md (ffs pattern): Add output reload constraint.
17053 * pdp11.md (sob pattern): Add inout reload constraint.
17054 * sh.md (splits): Remove constraints.
17055 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17056 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17057 * vax.md (jgequ pattern): Add inout reload constraint.
17059 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17061 * configure.in (djgpp): Revert previous patch.
17062 * configure: Rebuit.
17063 * config/i386/djgpp.h: Revert previous patch.
17065 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17067 * fixinc/inclhack.def: Restore patch lost during last merge of
17068 "no_bogosity" branch.
17069 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17071 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17073 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17074 * fixinc/inclhack.def: Same.
17075 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17077 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17079 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17080 as the base of a PLUS.
17082 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17084 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17085 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17087 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17089 * pa.md (post_stw+1): Use pmode_register_operand.
17090 (dcacheflush, icacheflush): Likewise.
17092 * i386.md (movstricthi_1): Allow r/r.
17094 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17096 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17097 to (not (and (arg0) (arg1))). Similary for and.
17099 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17100 fallthrough to associate code.
17101 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17104 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17105 no bits in common; remove XOR to ROTATE conversion.
17107 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17109 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17111 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17113 * config/c4x/c4x.c (dst_operand): New.
17114 (PREDICATE_CODES): Update.
17115 * config/c4x/c4x.h (dst_operand): Declare it.
17116 * config/c4x/c4x.md: Define mode for each unspec usage.
17117 (move patterns): Use dst_operand predicate instead of src_operand.
17118 (movqi_update, movqf_update): Delete.
17120 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17122 * recog.c (pmode_register_operand): New.
17123 * recog.h: Declare it.
17124 * genrecog.c (pred_codes): Likewise.
17125 (special_mode_pred_table): Likewise.
17126 (validate_pattern): Don't warn no mode for address_operand.
17128 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17129 if the operand is not insn-like.
17131 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17132 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17134 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17136 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17138 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17139 instead of general_operand in a SET_DEST. Use const_double_operand
17140 instead of an explicit test against CONST_DOUBLE.
17141 (movsf_const_lo): Add missing register mode.
17142 (goto_handler_and_restore): Add auxiliary test for Pmode.
17143 (flush): Adjust to use address_operand.
17144 (return_sf_no_fpu): Add missing output constraint.
17146 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17148 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17149 for call return value.
17150 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17152 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17154 * toplev.c (main): Only warn about options for other languages.
17155 * collect2.c (main): Pass -w to sub-gcc.
17157 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17159 * flow.c (propagate_block): Add call-clobbered registers to
17162 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17163 zapping mem_set_list.
17164 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17165 (mark_set_1, mark_used_regs): Likewise.
17167 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17169 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17171 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17173 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17174 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17175 options. Also add a new item "C-only Warning Options" to the
17178 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17180 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17181 from multiple calls.
17183 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17185 * i386.md (call value patterns): Move to the end of the file.
17186 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17188 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17190 * configure.in (djgpp configuration): Define extra_objects..
17191 * configure: Rebuilt.
17192 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17193 (DTORS_SECTION_ASM_OP): Define.
17194 (INIT_SECTION_ASM_OP): Define.
17195 (FINI_SECTION_ASM_OP): Define.
17196 (DATA_SECTION_ASM_OP): Define.
17197 (TEXT_SECTION_ASM_OP): Define.
17198 (EH_FRAME_SECTION_ASM_OP): Define.
17199 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17200 (STARTFILE_SPEC): Add crtbegin.o.
17201 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17202 to here from LINK_COMMAND_SPEC.
17203 (DO_GLOBAL_CTORS_BODY): Define.
17204 (CRTSTUFF_USE_FINI_SECTION): Define
17205 (HAS_INIT_SECTION): Delete.
17207 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17209 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17211 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17213 * pa.h (PREDICATE_CODES): New.
17215 * genrecog.c (validate_pattern): Condense the destination
17216 non-lvalue message.
17218 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17220 * alpha.md (call-1): Supply missing mode for operator.
17221 (*): Add missing output reload constraints. Remove constraints
17222 from define_splits.
17224 * i386.h (SPECIAL_MODE_PREDICATES): New.
17225 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17226 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17227 (addsi_lea_3): Add missing mode for op 3.
17228 (prologue_set_got, prologue_get_pc): Add missing modes.
17229 (*) Add missing output reload constraints.
17231 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17233 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17234 check for member bit-size overflow and use var_size if it occurs.
17235 (layout_record): Use bitsize_int() to define the type size in bits.
17236 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17237 (layout_decl): Likewise when assigning to DECL_SIZE.
17239 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17241 * genrecog.c (validate_pattern): Typo last change. Verify
17242 that output operands have output reloads.
17244 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17246 * genrecog.c (special_mode_pred_table): New.
17247 (NUM_SPECIAL_MODE_PREDS): New.
17248 (find_operand): New.
17249 (validate_pattern): New argument `insn'. Warn for assignment to
17250 any predicate accepting non-lvalues. Conditionaly warn for
17251 match_operand without a mode. Try much harder to match source
17252 and destination modes on a set.
17253 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17255 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17257 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17259 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17261 * combine.c (simplify_logical): Recognize xor pattern that encodes
17264 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17266 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17269 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17271 * ggc-page.c (MAP_FAILED): Provide default.
17273 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17275 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17276 * sparc.h (PREDICATE_CODES): Update.
17278 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17280 * alpha.c (some_ni_operand): New.
17281 * alpha-protos.h: Declare it.
17282 * alpha.h (PREDICATE_CODES): Update.
17283 * alpha.md (sXaddq reload insns): Use some_ni_operand
17284 for SET_DEST instead of some_operand.
17286 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17287 Jim Wilson <wilson@cygnus.com>
17289 * genrecog.c (maybe_both_true_2): Don't compare modes of
17291 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17292 after find_afterward.
17293 (debug_decision_1): Dump next and afterward codes.
17295 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17297 * rtl.c (dump_and_abort): Remove.
17298 (fatal_with_file_and_line): New.
17299 (fatal_expected_char): New.
17300 (read_rtx_lineno, read_rtx_filename): New.
17301 (read_skip_spaces): Track line number.
17302 (read_name): Use fatal_with_file_and_line.
17303 (read_rtx): Use fatal_expected_char. Track line number.
17304 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17306 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17307 if it isn't a CODE_LABEL.
17309 * genattr.c (main): Set read_rtx_filename.
17310 * genattrtab.c (main): Likewise.
17311 * gencodes.c (main): Likewise.
17312 * genconfig.c (main): Likewise.
17313 * genemit.c (main): Likewise.
17314 * genextract.c (main): Likewise.
17315 * genflags.c (main): Likewise.
17316 * genopinit.c (main): Likewise.
17317 * genoutput.c (main): Likewise.
17318 * genpeep.c (main): Likewise.
17320 * genrecog.c (decision_test.u.insn): Add `lineno'.
17321 (pattern_lineno, error_count): New variables.
17322 (message_with_line): New.
17323 (add_to_sequence): Break out checking code to ...
17324 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17325 (merge_insn): Use message_with_line.
17326 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17327 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17329 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17331 * expr.c (store_constructor): Clear union if constructor is empty.
17333 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17335 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17336 Add !endian checks. Change %{...} to %(...).
17338 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17340 * i386.md (*addsi3_cc): Renamed from addcsi3.
17341 (*addsi3_carry): Renamed from addxsi3.
17342 (*subsi3_cc): Renamed from subcsi3.
17343 (*subsi3_carry): Renamed from subxsi3.
17344 (*xorqi_cc_1): Renamed from xorcqi_1.
17345 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17346 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17348 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17350 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17351 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17353 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17355 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17356 climb up the chain of insns.
17358 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17360 * genrecog.c (write_subroutine): Careful for null trees.
17361 (process_tree): Don't elide empty functions.
17363 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17365 * Makefile.in (genrtl.o): Depend on ggc.h.
17366 * configure.in (valloc): Probe for it.
17367 (with-gc): Use ggc-page if valloc present.
17368 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17369 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17370 (ggc_alloc_string): Moved from ggc-page.c.
17371 * ggc-none.c (ggc_alloc_obj): New.
17372 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17373 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17374 (struct globals): Likewise for dev_zero_fd.
17375 (init_ggc): Likewise for it's initialization.
17376 (ggc_allocated_p): Move careful dereference from ...
17377 (ggc_lookup_page_table): ... here. Delete.
17378 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17379 (alloc_anon): Use valloc if no mmap.
17380 (release_pages): Use free if using valloc.
17381 (ggc_alloc_obj): Renamed from alloc_obj.
17382 (ggc_set_mark): Renamed from mark_obj.
17383 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17384 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17385 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17386 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17387 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17388 (ggc_collect): Use fp printing instead of our own rounding.
17389 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17390 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17391 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17392 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17393 (struct ggc_string, struct ggc_any): Delete.
17394 (offsetof): Provide default definition.
17395 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17397 (struct ggc_mem): New, from corpse of ggc_any.
17398 (struct ggc_status): Delete.
17399 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17400 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17401 (n_strings_collected, n_anys_collected): Delete.
17402 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17403 (ggc_alloc_string, ggc_alloc): Delete.
17404 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17405 (ggc_free_string, ggc_free_any): Delete.
17406 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17407 (ggc_compare_addresses, ggc_mark_string): Delete.
17408 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17409 (search_data): Delete.
17410 (struct globals): New.
17411 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17412 (tree_insert, tree_lookup): New.
17413 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17414 (clear_marks, sweep_objs): New.
17415 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17416 (init_ggc): Set allocated_last_gc.
17417 (ggc_push_context): Gut. Use G.context.
17418 (ggc_pop_context): Likewise.
17419 (ggc_pop_context_1): New.
17420 (debug_ggc_tree): New.
17421 (debug_ggc_balance, tally_leaves): New.
17422 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17423 (ggc_mark_string_if_gcable): Remove decl.
17424 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17425 (ggc_mark_rtvec_children): New.
17426 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17427 (ggc_mark_if_gcable): New decl.
17428 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17429 (ggc_alloc_tree, ggc_alloc): Likewise.
17430 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17431 (ggc_alloc_obj): New decl.
17432 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17433 (ggc_alloc_tree, ggc_alloc): Likewise.
17434 (ggc_set_mark): New decl.
17435 * rtl.h (struct rtx_def): Remove gc_mark.
17436 (struct rtvec_def): Likewise.
17437 * tree.h (struct tree_common): Likewise.
17439 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17441 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17442 float_format and thread_file definitions.
17443 * configure: Rebuilt.
17445 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17447 * extend.texi (Function Names): Document types of function names.
17449 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17451 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17452 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17454 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17456 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17458 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17460 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17462 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17464 * collect2.c (main): Do prelimnary link on AIX if rflag.
17466 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17468 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17469 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17471 (__do_global_dtors): similarly for __DTOR_LIST__.
17473 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17474 Diego Novillo <dnovillo@cygnus.com>
17476 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17479 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17481 * fixincl/*: Merged "no_bogosity" branch
17482 * fixincl/fixlib.h: protect against doubly defining t_bool
17483 * fixincl/server.h: protect against doubly defining t_bool
17485 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17487 * genoutput.c: Include toplev.h.
17489 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17491 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17493 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17494 * configure: Regenerate.
17496 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17498 * gcse.c (delete_null_pointer_checks): Returns void.
17500 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17502 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17503 * emit-rtl.c (copy_insn_1): Likewise.
17505 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17507 * config/mips/mips.c (mips_build_va_list): Correct
17508 TREE_CHAIN setting when hard-float.
17509 (mips_va_start): Use corrected setting.
17510 (mips_va_arg): Likewise. Also pass a tree to build of
17511 POSTINCREMENT_EXPR rather than a naked 'int'.
17513 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17515 * ggc.h (ggc_push_context): Fix comment.
17516 (ggc_pop_context): Likewise.
17517 (mark_string_if_gcable): Likewise.
17518 * ggc-common.c (ggc_mark_rtx_children): Use
17519 ggc_mark_string_if_gcable.
17520 * ggc-page.c (ggc_lookup_page_table): New function.
17521 (ggc_allocated_p): Likewise.
17522 (mark_obj): Fix formatting.
17523 (ggc_mark_string_if_gcable): New function.
17524 * ggc-simple.c (ggc_allocated_strings): New variable.
17525 (ggc_strings_used): Likewise.
17526 (ggc_compare_addresses): New function.
17527 (ggc_pop_context): Pop the `any' memory too.
17528 (ggc_mark_string_if_gcable): New function.
17529 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17531 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17533 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17534 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17535 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17538 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17540 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17541 (sched_reg_live_length, sched_reg_basic_block): Delete.
17542 (current_block_num, bb_live_regs, old_live_regs): Delete.
17543 (dead_notes, struct sometimes): Delete.
17544 (sched_note_set, birthing_insn_p): Delete.
17545 (adjust_priority): Gut useless reg lifetime code.
17546 (create_reg_dead_note, attach_deaths): Delete.
17547 (attach_deaths_insn, new_sometimes_live): Delete.
17548 (finish_sometimes_live): Delete.
17549 (find_pre_sched_live, find_post_sched_live): Delete.
17550 (update_reg_usage): Delete.
17551 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17552 (schedule_insns): Delete reg lifetime code.
17553 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17554 (unlink_other_notes): Adjust REG_NOTE commentary.
17555 (reemit_notes): Use REG_SAVE_NOTE.
17556 (schedule_block): Likewise.
17557 (schedule_region): Allocate bitmap of blocks in region. Use
17558 count_or_remove_death_notes. Use update_life_info.
17560 * rtl.h (REG_SAVE_NOTE): New.
17561 * rtl.c (reg_note_name): Update.
17563 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17565 * combine.c (refresh_blocks, need_refresh): New.
17566 (combine_instructions): Allocate refresh_blocks. Invoke
17567 update_life_info if needed.
17568 (distribute_notes): Mark refresh_blocks instead of installing
17570 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17571 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17573 * Makefile.in (recog.o): Depend on basic-block.h.
17575 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17577 * genrecog.c (add_to_sequence): Thinko last change: delete
17578 shadowing allow_const_int variable.
17580 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17582 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17583 __GNUC__ and __GNUC_MINOR__.
17585 * gansidecl.h: Likewise.
17591 * toplev.h: Likewise.
17593 * tree.c: Likewise.
17595 * tree.h: Likewise.
17597 * varray.c: Likewise.
17599 * varray.h: Likewise.
17601 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17603 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17604 use one before a jump table.
17606 * rtl.def (ADDRESS): Change documentation to match reality.
17607 * md.texi: Don't document it.
17608 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17611 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17613 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17615 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17616 known predicate block; default allow_const_int true.
17617 (debug_decision_list): New.
17619 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17621 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17623 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17625 * gcse.c (gcse_main): Avoid global optimizations if we have a
17626 large number of basic blocks and the ratio of edges to blocks
17628 (delete_null_pointer_checks): Likewise.
17630 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17632 * c-common.c (check_format_info): Warn if format string isn't a
17635 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17637 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17638 * configure: regenerate
17640 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17642 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17643 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17644 (peepholes): Re-enable.
17646 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17648 * Makefile.in (flow.o): Depend on TREE_H.
17649 * basic-block.h (REG_SET_EQUAL_P): New.
17650 (XOR_REG_SET): New.
17651 (n_edges): Declare.
17652 (free_regset_vector): Remove declaration.
17653 (flow_delete_insn_chain): Declare.
17654 (enum update_life_extent): New.
17655 (update_life_info, count_or_remove_death_notes): Declare.
17656 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17657 Verify register live at bb->global_live_at_start before adding USE.
17658 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17659 (CLEAN_ALLOCA): New.
17661 (PROP_*): New flags.
17662 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17663 (clear_edges): Zero n_edges.
17664 (make_edge): Increment n_edges.
17665 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17666 (flow_delete_insn_chain): Export.
17667 (delete_block): Decrement n_edges.
17668 (merge_blocks_nomove): Likewise.
17669 (life_analysis): Give life_analysis_1 PROP flags.
17670 (verify_wide_reg_1, verify_wide_reg): New.
17671 (verify_local_live_at_start): New.
17672 (update_life_info): Rewrite to call into propogate_block.
17674 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17675 always mark stack pointer. Conditionally mark PIC register.
17676 After reload, mark call-saved registers, return regsiters.
17677 (life_analysis_1): Accept PROP flags not remove_dead_code.
17678 Call mark_regs_live_at_end before zeroing regs_ever_live.
17679 Use calculate_global_regs_live. Copy global_live_at_end before
17680 calling final propagate_block. Zero reg_next_use on exit.
17681 (calculate_global_regs_live): New.
17682 (allocate_bb_life_data): Don't allocate bb->local_set.
17683 (init_regset_vector, free_regset_vector): Remove.
17684 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17685 Test flags before every operation. Warn if prologue/epilogue insn
17686 would have been deleted.
17687 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17688 Use alloc_EXPR_LIST.
17689 (mark_used_regs): Accept and use FLAGS, not FINAL.
17690 Remove special handling for RETURN.
17691 (try_pre_increment): Use alloc_EXPR_LIST.
17692 (dump_flow_info): Dump n_edges.
17693 (unlink_insn_chain, split_hard_reg_notes): Remove.
17694 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17695 (find_insn_with_note, new_insn_dead_notes): Remove.
17696 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17697 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17698 (replace_insns): Remove.
17699 (count_or_remove_death_notes): New.
17700 (verify_flow_info): Abort on error after all checks.
17701 (remove_edge): Decrement n_edges.
17702 (remove_fake_edges): Tweak format.
17703 * haifa-sched.c (schedule_insns): Use split_all_insns.
17704 * output.h (update_life_info): Remove declaration.
17705 * recog.c (split_all_insns): From the corpse of split_block_insns,
17706 do the whole function block by block. Use update_life_info.
17707 (recog_last_allowed_insn): New.
17708 (recog_next_insn): Mind it.
17709 (peephole2_optimize): Set it. Walk backwards through blocks.
17710 Use update_life_info.
17711 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17712 (split_all_insns): Declare.
17713 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17714 Use split_all_insns.
17716 * i386.md (or -1 peep2s): Disable.
17718 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17720 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17721 a single pattern. Scrap the 'd' versions as unnecessary.
17723 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17724 tablejump_mips162,tablejump_internal4): The operands to a
17725 label_ref must be VOIDmode.
17727 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17729 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17731 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17733 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17735 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17737 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17738 cache every function if ggc_p.
17740 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17742 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17743 instead of copy_rtx. Accept sequences that contain asm statements.
17744 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17745 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17746 orig_asm_operands_vector, copy_asm_operands_vector,
17747 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17749 * rtl.h (copy_insn, copy_insn_1): Declare.
17751 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17753 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17755 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17756 arguments to `current_file_function_operand'.
17758 * genrecog.c: Include hard-reg-set.h and resource.h in the
17759 generated output file.
17761 * real.c: Include tm_p.h.
17763 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17765 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17768 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17770 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17771 before the fctiwz insn.
17773 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17774 Mark Mitchell <mark@codesourcery.com>
17776 * tree.c (make_lang_type_fn): New funtion pointer.
17777 (make_lang_type): Call it.
17778 * tree.h (make_lang_type): Declare.
17779 (make_lang_type_fn): Likewise.
17780 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17782 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17784 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17785 make sure that HIGH instructions are copied into BASE_REGS.
17787 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17789 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17791 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17793 * c-decl.c (finish_struct): Use simpler method of
17794 removing elements of a singly-linked list.
17796 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17798 * alpha.md (peephole2's): Comment out peephole2's that generate
17801 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17803 * genrecog.c (add_to_sequence): Disable mode check for
17806 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17808 * ggc-simple.c (init_ggc): Set empty_string.
17810 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17812 * configure.in: Detect mmap. Add --with-gc=foo to select
17813 garbage collector; default to page if mmap available.
17814 * Makefile.in (GGC): Substitute.
17816 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17818 * c-decl.c (ggc_p): Enable.
17820 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17822 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17824 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17826 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17827 string for little-endian-data.
17829 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17831 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17832 case somebody tries to compile --enable-checking code with gcc
17835 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17837 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17840 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17842 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17843 * jump.c (jump_optimize_1): Document why.
17845 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17847 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17848 pointers and casts for `int_handler' and `quit_handler'.
17850 * flow.c (verify_flow_info, split_hard_reg_notes,
17851 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17852 remove_edge, remove_fake_successors): Add static prototypes.
17853 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17854 (mark_set_1): Initialize variable `regno'.
17855 (unlink_insn_chain): Likewise for variable `curr'.
17856 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17858 * loop.c (strength_reduce): Initialize variable
17859 `unrolled_insn_copies'.
17860 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17861 prototypes. Change these functions to take const PTR parameters
17862 to avoid prototype conflict when used as the comparson argument
17864 (check_dbra_loop): Initialize variable `comparison_val'.
17866 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17867 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17868 (find_valid_class): Initialize variable `best_class'.
17869 (find_reloads): Call memcpy, not bcopy.
17871 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17872 (hard_reg_use_compare): Don't needlessly cast away const.
17873 (reload_reg_class_lower): Likewise.
17874 (choose_reload_regs): Initialize variable `regno'.
17876 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17878 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17880 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17882 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17883 ({,d}discard): Add forward declarations. Declare parameter as
17885 (main_without_main): Explicitly declare return type to be int.
17886 (memcpy): Properly declare.
17888 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17889 building the trampoline support, declare malloc, free, and
17891 (__clear_cache): Mark arguments as potentially unused.
17893 * frame.c (toplevel): If inhibit_libc is defined, declare
17896 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17898 * flow.c (make_edge): Accept an optional 2D bitmap in which
17899 to cache edge existence. Update all callers.
17900 (make_label_edge, make_eh_edge): Pass through the edge cache.
17901 (make_edges): Provide the cache.
17903 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17905 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17907 (local_mbtowc): Change the type of variable `i' from int to size_t.
17909 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17910 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17912 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17914 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17915 after other includes that define the appropriate types. Include
17916 tm_p.h for getting user prototypes.
17917 * ggc-callbacks.c (toplevel): Ditto.
17918 * ggc-none.c (toplevel): Ditto.
17919 * gcc-page.c (toplevel): Ditto.
17920 * ggc-simple.c (toplevel): Ditto.
17922 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17923 Jonathan Larmour <jlarmour@cygnus.co.uk>
17925 * config/mips/mips.c (mips_move_2words): Split doubles if
17926 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17928 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17930 * genrecog.c (struct decision_test): New.
17931 (struct decision): Remove test-related members, sort the rest by size.
17932 (IS_SPLIT): Simplify.
17933 (new_decision, new_decision_test): New.
17934 (add_to_sequence): Use them. No special handling for args of
17936 (maybe_both_true): Renamed from not_both_true; return sense changed.
17937 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17938 of maybe_both_true and adjusted for decision_test.
17939 (position_merit): Remove.
17940 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17941 (merge_accept_insn): New, broken out of merge_trees.
17942 (merge_trees): Use them. No special case for c_test; no node
17943 splitting; use test type instead of position_merit.
17944 (factor_tests): New.
17945 (simplify_tests): New.
17946 (break_out_subroutines): Don't write code now.
17947 (find_afterward): New.
17948 (write_afterward, write_switch, write_cond): New.
17949 (write_action, is_unconditional): New.
17950 (write_node): New. Use them.
17951 (write_tree_1): Rewrite. Use the new functions above.
17952 (write_tree): Remove afterward processing.
17953 (write_subroutine): Simplify function variant emission.
17954 (write_subroutines): New.
17955 (same_codes, clear_codes): Remove.
17956 (same_modes, clear_modes): Remove.
17957 (write_header): New, broken out of main.
17958 (make_insn_sequence): Use new_decision and new_decision_test.
17959 (process_tree): New, broken out of main.
17960 (main): Adjust for merge_trees interface change.
17961 Don't #define operands in the output file.
17962 (record_insn_name): New, broken out of make_insn_sequence.
17963 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17964 (debug_decision): New.
17966 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17968 * resource.c (find_free_register): Mark class_str argument const.
17969 * resource.h: Update prototype to match.
17971 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17972 * i386.md: Give all anonymous insns names.
17974 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17976 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17979 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17981 * toplev.c (dbr_sched_time): Unconditional.
17982 (peephole2_time): New.
17983 (compile_file): Add pass numbers to all of the dump file suffixes.
17984 Dump peephole2_time. Don't dump times for non-applicable passes.
17985 (rest_of_compilation): Add pass numbers to dump file suffixes.
17986 Conditionalize calls to the scheduler.
17987 * invoke.texi: Update.
17989 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17991 * flow.c (make_edges): Fix insn iteration.
17992 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17993 (find_basic_blocks_1): Fix spelling mistake.
17995 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17997 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17998 always have side-effects. Use memset not bzero.
17999 (make_node): Likewise.
18001 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18003 * stmt.c (expand_anon_union_decl): When any of the elements of the
18004 union is addressable, so is the entire union.
18006 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18008 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18010 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18011 * bitmap.c (bitmap_operation): Return true iff TO changed.
18012 (bitmap_equal_p): New.
18013 (bitmap_bit_p): Tidy arithmetic.
18014 (debug_bitmap_file): Likewise.
18016 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18018 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18019 before cse2 instead of after.
18021 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18023 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18026 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18028 * cppinit.c (is_idchar initializer): Loosen tests to accept
18031 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18033 * mips.md: Define conditional move patterns for floating point
18034 operands and DI mode conditions.
18036 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18038 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18039 always have side-effects.
18041 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18043 * mn10200.c (asm_file_start): Fix typo.
18045 * cppinit.c (is_idchar initializer): Tighten tests for when
18046 to put the table into initialized memory.
18048 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18049 not an array of rtunion.
18050 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18051 * gcc-simple (ggc_free_rtvec): Similarly.
18053 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18056 * mbchar.h: Add missing #endif.
18058 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18059 (FPBIT, DPBIT): Define.
18061 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18063 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18065 * profile.c (instrument_arcs, output_gcov_string,
18066 tablejump_entry_p): Add static prototypes.
18067 (output_gcov_string): Constify a char*.
18069 * regmove.c (replacement_quality, fixup_match_2): Add static
18072 * resource.h (reg_dead_p): Add extern prototype.
18074 * rtl.c (trim_filename): Add static prototype.
18076 * scan-decls.c (skip_to_closing_brace): Likewise.
18078 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18079 (expand_end_case): Initialize variable `range'.
18080 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18082 * varasm.c (asm_emit_uninitialised): Add static prototype.
18083 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18086 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18088 * cpplib.c (if_directive_nameo): Add static prototype.
18090 * cse.c (cse_insn): Remove unused variable `p'.
18092 * except.c (create_rethrow_ref, push_entry,
18093 receive_exception_label, new_eh_region_entry, find_func_region,
18094 clear_function_eh_region, process_nestinfo): Add static prototypes.
18095 (get_reg_for_handler): Hide definition.
18096 (process_nestinfo): Initialize variable `extra_handlers'.
18098 * expr.h (expand_builtin_longjmp): Add extern prototype.
18100 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18102 * function.c (prepare_function_start): Likewise.
18103 (pop_function_context_from): Mark parameter `context' with
18105 (push_temp_slots_for_block, flush_addressof): Hide definition.
18107 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18108 solve_program_flow_graph, calculate_branch_probs,
18109 function_summary, main, fancy_abort): Add prototypes.
18111 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18112 (add_hash): Constify a char*.
18114 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18115 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18116 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18118 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18120 * lists.c (free_list, zap_lists): Likewise.
18122 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18124 * alias.c (nonlocal_reference_p): Add static prototype.
18126 * bitmap.c (bitmap_element_allocate): Prototype args in function
18129 * builtins.c (stabilize_va_list): Add static prototype.
18130 (expand_builtin_va_arg): Constify a char*.
18132 * c-lex.c (getch, put_back, extend_token_buffer_to,
18133 read_line_number, token_getch, token_put_back): Add static
18136 * c-parse.gperf (hash, is_reserved_word): Likewise.
18138 * cccp.c (is_dir_separator): Likewise.
18140 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18142 * graph.h: New file to prototype functions exported by graph.c.
18144 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18146 * graph.c: Include graph.h.
18148 * toplev.c: Likewise. Remove redundant prototypes.
18150 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18152 * invoke.texi: Removed duplicated description for -Q.
18154 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18156 * extend.texi: Grammar fix in __extension__ text.
18158 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18160 * md.texi (define_peephole2): New section.
18162 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18164 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18165 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18168 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18170 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18172 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18174 * i386.md (ffs expander): Emit Pentium friendly code for
18177 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18179 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18181 (build1): Likewise.
18183 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18185 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18187 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18189 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18190 register is in use.
18192 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18194 * md.texi (No Constraints): Delete section.
18195 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18196 * final.c (final_scan_insn): We always have register constraints.
18197 * genattrtab.c: Don't include "insn-config.h".
18198 (write_attr_case): We always have register constraints.
18199 * genconfig.c (register_constraint_flag): Delete.
18200 (walk_insn_part): Don't check whether we have register constraints.
18201 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18202 * genoutput.c (have_constraints): Delete.
18203 (main): Don't set it.
18204 (output_operand_data): We always have constraints.
18205 (scan_operands): Likewise.
18206 (compare_operands): Likewise.
18207 * local-alloc.c (block_alloc): We always have constraints.
18208 (requires_inout): Always compile this function.
18209 * recog.c (extract_insn): We always have constraints.
18210 (constrain_operands, reg_fits_class_p): Always compile these
18212 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18214 (struct insn_operand_data): Likewise.
18215 * regclass.c (regclass): We always have constraints.
18216 (record_reg_classes, copy_cost, record_address_regs,
18217 auto_inc_dec_reg_p): Always compile these functions.
18218 * regmove.c (regmove_optimize): We always have constraints.
18219 * reload.c (find_reloads): Likewise.
18220 * reload1.c (reload): Likewise.
18221 (reload_cse_simplify_operands): Likewise.
18222 * i860.c (output_delay_insn): Likewise.
18224 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18226 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18228 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18230 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18231 for the va_list record.
18233 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18235 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18238 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18240 * alias.c: Include insn-flags.h.
18241 * Makefile.in (alias.o): Update.
18243 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18245 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18246 to LTU and GEU. Handle more cases using sbb.
18248 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18250 * i386.md (truncatexfdf splitters): Do not use subreg.
18251 (fop XFmode patterns): Fix mode in operand testing.
18253 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18255 * jump.c (jump_optimize_1): Amend last change to test only the
18256 form of the operand, not the insn.
18258 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18259 not register_operand to determine when B may need preloading.
18261 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18263 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18264 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18265 (call-value patterns): Move to end of file.
18266 (*): Remove mode from label_ref in (pc) context.
18267 (movstrqi): Use memory not general_operand for BLKmode operands.
18268 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18269 to register_operand operands.
18270 (peep2 patterns): Convert from commented-out peephole patterns.
18272 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18274 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18275 to BUILT_IN_INIT_DWARF_REG_SIZES.
18276 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18277 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18278 expand_builtin_init_dwarf_reg_sizes.
18279 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18280 with __builtin_init_dwarf_reg_size_table.
18281 * dwarf2out.c (struct reg_size_range): Delete.
18282 (expand_builtin_init_dwarf_reg_sizes): New function.
18283 (expand_builtin_dwarf_reg_size): Delete.
18284 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18285 (expand_builtin_dwarf_reg_size): Don't declare.
18286 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18287 (dwarf_reg_size_table): New.
18288 (init_reg_size_table): New function.
18289 (copy_reg): Use dwarf_reg_size_table.
18290 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18293 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18295 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18296 Correctly build argument list to constructor and destructor functions.
18298 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18300 * c-tree.h (warn_float_equal): Declare.
18301 * c-decl.c (warn_float_equal): Define.
18302 (c_decode_option): Recognize -W[no-]float-equal.
18303 * c-typeck.c (build_binary_op): Conditionally warn
18304 about equality tests of floating point types.
18305 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18306 * invoke.texi: Add docs for -Wfloat-equal warning.
18308 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18310 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18311 generating RTL directly.
18312 * mips.h (INIT_TARGET_OPTABS): Likewise.
18313 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18315 * expr.h (init_mov_optab): Delete declaration
18317 * h8300.c (WORD_REG_USED): Update to avoid useless register
18318 saves in interrupt functions and functions which never return.
18320 * cse.c (struct set): Delete inner_dest_loc field.
18321 (cse_insn): Remove assignments to inner_dest_loc field.
18323 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18325 * ggc-page.c: Don't include <unistd.h> etc taken care of
18326 by "system.h". Include <sys/mman.h> afterward.
18328 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18330 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18333 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18335 * xcoffout.c (xcoffout_declare_function): Add documentation.
18336 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18337 TARGET_64BIT. Compare constant to -1, not bit pattern.
18338 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18339 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18342 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18344 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18345 origin_die is NULL.
18346 (gen_inlined_enumeration_type_die): Do not abort if the type has
18347 not been writeen out.
18348 (gen_inlined_structure_type_die): Do not abort if the type has
18349 not been writeen out.
18350 (gen_inlined_union_type_die): Do not abort if the type has
18351 not been writeen out.
18352 (gen_tagged_type_instantiation_die): Do not abort if the type
18353 has not been written out.
18355 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18357 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18359 * reg-stack.c (straighten_stack): Copy hard reg set with
18362 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18364 * builtins.c (stabilize_va_list): Stabilize array type va_list
18365 to a pointer type, not the base record type.
18366 (expand_builtin_va_copy): Dereference the pointers explicitly;
18367 use the correct size for the copy.
18369 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18370 (rs6000_va_arg): Likewise.
18372 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18374 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18376 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18378 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18380 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18382 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18384 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18385 (init_ggc): Use it instead of a constant.
18386 (ggc_collect): Bound allocated_last_gc by it.
18388 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18390 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18393 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18395 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18396 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18397 * configure: Regen.
18398 * config/mips/openbsd.h: New, OpenBSD little endian target.
18399 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18400 * config/mips/xm-openbsd.h: New, OpenBSD host.
18402 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18404 * config/m68k/m68k.c (output_function_prologue,
18405 output_function_epilogue): Use
18406 current_function_uses_pic_offset_table instead of regs_ever_live
18407 to decide whether to save/restore pic register.
18408 (legitimize_pic_address): Don't modify regs_ever_live any more.
18410 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18412 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18413 * stor-layout.c (variable_size): Don't add sizes to the pending
18414 sizes list if x_dont_save_pending_sizes_p is set.
18416 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18418 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18419 for symbolic_operand().
18420 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18422 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18424 * combine.c (gen_rtx_combine): Add missing call to va_end().
18426 * final.c (asm_fprintf): Likewise.
18428 * genattrtab.c (attr_rtx): Likewise.
18430 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18432 * cse.c: Update comments.
18433 (cse_insn): When converting a conditional/computed jump into
18434 an unconditional jump, always make sure a BARRIER immediately
18435 follows the converted jump. Do not delete unreachable code.
18436 (cse_basic_block): Do not delete unreachable code.
18437 * toplev.c (rest_of_compilation): Move call to
18438 delete_trivially_dead_insns after the conditional call to
18441 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18443 * collect2.c (make_temp_file): Don't prototype.
18445 * gcc.c (make_temp_file): Likewise.
18447 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18449 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18451 * varasm.c (asm_emit_uninitialised): New function: Generate
18452 the assembler statements necessary to declare an uninitialised
18454 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18456 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18457 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18459 (assemble_variable): Use asm_emit_uninitialised to emit an
18460 uninitialised variable.
18462 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18464 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18465 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18466 <geoffk@cygnus.com>.
18468 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18470 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18471 * c-common.h (builtin_function): Don't declare.
18473 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18475 (pushdecl): Likewise.
18476 (finish_decl): Likewise.
18477 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18478 int. All callers changed.
18479 Set the builtin's DECL_BUILT_IN_CLASS.
18480 * tree.h (enum built_in_class): New.
18481 (enum built_in_function): Delete NOT_BUILT_IN.
18482 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18484 (DECL_SET_FUNCTION_CODE): Likewise.
18485 (DECL_BUILT_IN_CLASS): New macro.
18486 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18487 (struct tree_decl): Split builtin function code field into a
18489 (builtin_function): Declare.
18491 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18493 * optabs.c (init_traps): Fix typo in last change.
18495 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18497 * toplev.c (rest_of_decl_compilation): Update comment.
18499 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18501 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18502 in .sbss if appropriate.
18503 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18504 (SBSS_SECTION_ASM_OP): New macro.
18505 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18506 (EXTRA_SECTIONS): Add in_sbss.
18507 * config/mips/mips.h: Prototype sbss_section.
18509 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18511 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18514 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18516 * optabs.c (init_traps): Register trap_rtx as a GC root.
18518 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18520 * config/mips/mips.c (function_arg_pass_by_reference): Define
18521 unconditionally, since it's called unconditionally.
18523 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18525 * toplev.c (documented_lang_options): Add -fshort-wchar.
18526 * c-decl.c (c_decode_option): Likewise.
18527 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18529 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18530 * gcc.c (default_compilers): If -fshort-wchar,
18531 override __WCHAR_TYPE__.
18532 * tm.texi (C Dialect Options): Add -fshort-wchar.
18534 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18535 symbol for a variable.
18537 * cpplib.h (CPP_PREPROCESSED): New macro.
18538 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18539 we're seeing this input for a second time.
18541 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18543 * emit-rtl.c (init_emit_once): Initialize modes first.
18545 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18547 * config/i386/i386.c (pic_label_name): Change to char pointer.
18548 (global_offset_table): New variable.
18549 (load_pic_register): Fill global_offset_table if it hasn't
18550 already been done. Allocate pic_label_name dynamically.
18551 * ggc.h (empty_string): New variable.
18552 * ggc-simple.c (empty_string): Likewise.
18553 (init_ggc): Allocate empty_string and add as root.
18554 * stmt.c (digit_strings): New variable.
18555 (init_stmt): Add last_block_end_note as root. Allocate and
18556 initialize digit_strings.
18557 (expand_asm_operands): Use empty_string instead of string
18558 constant. Use digit_strings instead of string constants.
18559 * profile.c (init_arc_profiler): Allocate string with
18560 ggc_alloc_string instead of xmalloc.
18561 (output_func_start_profiler): Likewise.
18562 * c-typeck.c (digest_init): Check if init is error_mark_node.
18564 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18565 Richard Henderson <rth@cygnus.com>
18567 * ggc-page.c: New file.
18568 * Makefile.in (ggc-page.o): New.
18570 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18572 * invoke.texi: Document -fdelete-null-pointer-checks
18573 * toplev.c (flag_delete_null_pointer_checks): New.
18574 (f_options): Add entry for -fdelete-null-pointer-checks.
18575 (rest_of_compilation): Conditionalize null pointer check
18576 elimination on flag_delete_null_pointer_checks.
18577 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18579 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18581 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18582 copyright notice and special exception to GPL.
18584 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18586 * abi64.h (mips_function_value): Add prototype arguments.
18588 * mips-protos.h: New file with mips prototypes.
18590 * mips.c: Include "tm_p.h".
18591 (mktemp, lookup_name): Add prototype arguments.
18592 (extern_list, string_constant, mips_fill_delay_slot,
18593 mips_output_external, mips_output_external_libcall,
18594 mips_output_filename, mips_declare_object, function_prologue,
18595 mips_expand_prologue, function_epilogue, mips16_constant,
18596 build_mips16_function_stub, mips_output_conditional_branch):
18598 (mips_va_start): Remove unused variable `u'.
18599 (mips_va_arg): Cast value to unsigned when comparing against one.
18601 (save_restore_insns, mips_expand_prologue): Add missing arg in
18602 call to `large_int'.
18604 * mips.h: Move prototypes to mips-protos.h.
18605 (data_section, memory_address_p, rdata_section,
18606 readonly_data_section, simple_epilogue_p, text_section): Delete
18607 prototypes delcared elsewhere.
18608 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18610 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18612 * mips.md: Delete extra args in call to `mips_move_2words'.
18614 * xm-iris6.h (alloca): Add prototype argument.
18616 * genpeep.c: Include "tm_p.h" in generated output file.
18618 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18620 * basic-block.h (find_edge_index): Change parameters.
18621 * flow.c (verify_edge_list): Pass basic_block parameters to
18622 find_edge_index instead of integers.
18624 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18626 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18629 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18631 * gcc.1: Fix a formatting error.
18633 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18635 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18636 i786, mn10200, mn10300, pdp11, v850.
18638 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18640 * libgcc2.c (num_digits): Add prototype with
18641 __attribute__((const)).
18642 (__terminate): Add prototype.
18644 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18646 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18648 * alpha/alpha.c (print_operand): Fix type of `code'.
18649 (alpha_output_filename): Constify.
18650 * alpha/alpha.h: Move all function declarations ...
18651 * alpha/alpha-protos.h: ... here. New file.
18652 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18653 (SECTION_FUNCTION_TEMPLATE): Likewise.
18655 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18657 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18658 * expr.c (expand_expr): Likewise.
18659 (do_jump): Likewise.
18660 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18661 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18663 (enum can_compare_purpose): New.
18664 (can_compare_p): Adjust prototype.
18665 (prepare_cmp_insn, prepare_operand): Declare.
18666 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18667 * optabs.c (cmp_available_p): Deleted.
18668 (expand_abs): Pass ccp_jump to can_compare_p.
18669 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18670 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18671 Call can_compare_p rather than cmp_available_p.
18672 (prepare_operand): No longer static.
18673 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18674 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18675 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18676 sequence to use emit_cmp_and_jump_insns.
18677 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18679 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18681 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18682 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18683 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18684 (plus (reg) (const_int 0))
18685 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18687 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18689 * rs6000.c (expand_block_move): DImode loads and stores require
18690 word-aligned displacements. Increment address registers with
18691 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18693 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18695 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18696 is no name for the base type, rather than segfault. If we are
18697 writing out a complex integer type, use DW_ATE_lo_user.
18699 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18700 in one word or less (complex char, complex short, or on 64 bit
18701 systems complex float) to/from a hard register, copy it through
18702 memory instead of dying in gen_{real,imag}part. If we have a
18703 short complex type, prevent inlining since it allocates stack
18706 * tree.c (build_complex_type): If we are writing dwarf2 output,
18707 generate a name for complex integer types.
18709 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18711 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18712 * flow.c (remove_edge): Remove extra whitespace.
18713 (remove_fake_edges): Fix comment.
18714 (add_noreturn_fake_exit_edges): Use the correct name.
18716 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18718 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18719 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18720 (clean): Depend on INTL_CLEAN.
18721 (maintainer-clean): Adjust.
18723 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18725 * configure.in (AC_PREREQ): Bump to 2.13.
18726 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18728 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18730 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18732 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18734 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18735 (HAVE_STRINGIZE): Define.
18737 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18739 * c-parse.in: save and restore warn_pointer_arith on __extension__
18740 along with pedantic.
18741 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18742 Set the type of extension to itype rather than $<itype>1 kludge.
18743 * extend.texi (Alternate Keywords): Adjust documentation.
18744 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18746 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18748 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18749 most assembler templates.
18751 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18752 FP loads and stores.
18753 (following_call): Always return zero for the PA8000.
18754 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18755 FP loads and stores.
18756 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18758 * pa.h (BRANCH_COST): Define.
18760 * pa.md (return, return_internal): Use bve for PA2.0.
18762 * pa.md (fused multiply): Add variants which reduce height for the
18763 fused multiply, but which still generate 2 insns.
18764 (fnegabs): Similarly.
18766 * pa.md (subsi3): Turn into an expander. Create two anonymous
18767 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18768 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18770 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18772 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18774 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18775 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18777 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18780 * flow.c (record_active_eh_regions): Terminate loop after finding
18781 the last insn in the last basic block.
18783 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18785 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18787 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18789 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18791 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18793 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18794 splitting to not use output template.
18796 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18798 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18799 * config/c4x/c4x.c (c4x_va_start): New function.
18801 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18803 * genrecog.c (not_both_true): Handle correctly cases when called for
18804 tests with different positions in the insn.
18806 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18808 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18810 * system.h (HOST_PTR_PRINTF): ... to here.
18812 * mips-tfile.c: Don't include machmode.h.
18814 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18815 (mips-tfile.o): Don't depend on machmode.h.
18817 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18819 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18820 avoid conflicts with typedef struct `region' at the top level scope.
18822 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18824 * basic-block.h (basic_block): Add eh_beg, eh_end.
18825 * flow.c (entry_exit_blocks): Update.
18826 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18827 Call new functions.
18828 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18829 lists.c functions to allocate insn lists.
18830 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18832 (make_eh_edge): ... here. New.
18833 (move_stray_eh_region_notes): New.
18834 (record_active_eh_regions): New.
18835 (delete_unreachable_blocks): Split out block merging ...
18836 (try_merge_blocks): ... here. New.
18837 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18838 Dump debugging data.
18839 (merge_blocks_move_successor_nojumps): Likewise.
18840 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18842 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18844 * extend.texi (Bound member functions): Document unbound pmf
18847 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18849 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18850 has the EXIT_BLOCK as a dest.
18852 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18854 * flow.c (remove_edge): New function to remove an edge from the
18856 (remove_fake_successors): New function to remove fake successor edges.
18857 (remove_fake_edges): New function to remove all fake edges from the
18859 (add_fake_exit_edges): New function to add fake edges from all blocks
18860 with no successors to the exit block.
18861 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18862 prototypes for new functions.
18864 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18866 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18867 Use Pmode to determine whether to output .dword or .word.
18869 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18871 * tree.c (built_in_filename): New variable.
18872 (BUILT_IN_FILENAME): New macro.
18873 (init_tree_codes): Allocate built_in_filename.
18874 (make_node): Use built_in_filename instead of string constant.
18876 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18878 * configure.in: Add fr30 target.
18879 * configure: Regenerate.
18880 * config/fr30: New directory.
18881 * config/fr30/crti.asm: New file.
18882 * config/fr30/fr30.c: New file.
18883 * config/fr30/crtn.asm: New file.
18884 * config/fr30/fr30.h: New file.
18885 * config/fr30/fr30.md: New file.
18886 * config/fr30/lib1funcs.asm: New file.
18887 * config/fr30/t-fr30: New file.
18888 * config/fr30/xm-fr30.h: New file.
18890 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18892 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18893 BARRIER at the end of the successor, not the BARRIER before
18896 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18898 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18900 * stmt.c (any_pending_cleanups): Don't crash when
18901 current_function->stmt is unset.
18903 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18905 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18906 other initializations that may use it for relative offsets.
18908 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18910 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18911 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18912 * config/i386/sol2dbg.h: Removed.
18913 * config/i386/sol2gas.h: New file, to enable gas work-around.
18914 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18915 Don't use sol2dbg.h.
18916 * configure: Rebuilt.
18918 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18920 * invoke.texi (-fthis-is-variable): Remove documentation.
18922 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18924 * basic-block.h (compute_bb_for_insn): Declare.
18925 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18926 to use; set size of basic_block_for_insn directly.
18927 (find_basic_blocks): Update.
18929 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18931 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18933 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18935 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18936 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18938 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18940 * c-decl.c (c_decode_option): Extend comment.
18942 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18944 * toplev.c (progname): Make 'const char *'
18945 (flag_print_mem): Move out of main.
18946 (version_flag): Move out of main.
18947 (filename): Move out of main.
18948 (debug_args): Remove g prefix from options.
18949 (documented_lang_options): Remove cpplib specific options.
18950 (display_help): Add g prefix to debug options.
18951 (check_lang_option): Delete this function.
18952 (decode_d_option): New function: Decode -d... option.
18953 (decode_f_option): New function: Decode -f... option.
18954 (decode_W_option): New function: Decode -W... option.
18955 (decode_g_option): New function: Decode -g... option.
18956 (independent_decode_option): New function: Decode a language
18957 independent command line option.
18958 (main): Invoke lang_decode_option and then
18959 independent_decode_option on each command line option in
18962 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18964 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18965 * fold-const.c (fold_range_test): Do not try to fold the range
18966 test if the rhs or lhs has side effects.
18968 * basic-block.h (compute_flow_dominators): Declare.
18970 * gcse.c (alloc_code_hoist_mem): New function.
18971 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18972 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18973 (hoist_code, one_code_hoisting_pass): Likewise.
18974 (gcse_main): If optimizing for size, then hoist expressions
18975 computed in multiple dominated basic blocks.
18977 * gcse.c (invalid_nonnull_info): New function.
18978 (delete_null_pointer_checks): Likewise.
18979 * rtl.h (delete_null_pointer_checks): Declare.
18980 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18982 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18983 (merge-blocks_move_successor_nojumps): Likewise.
18984 (merge_blocks): Allow merging of some blocks, even if it requires
18985 physical movement of the blocks, but not if it requires new jumps.
18987 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18988 Callers and prototype changed.
18989 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18991 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18993 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18994 -YP when both -p and -pg are present. From i386/sol2.h.
18996 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18998 * Makefile.in (distclean): Delete tm_p.h.
18999 * configure.in: Create a new file, "tm_p.h", from a list in
19000 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19001 "i386/i386-protos.h".
19003 * alias.c: Include "tm_p.h".
19004 * c-typeck.c: Likewise.
19005 * calls.c: Likewise.
19007 * emit-rtl.c: Likewise.
19008 * explow.c: Likewise.
19009 * expmed.c: Likewise.
19010 * expr.c: Likewise.
19011 * final.c: Likewise.
19012 * flow.c: Likewise.
19013 * fold-const.c: Likewise.
19014 * function.c: Likewise.
19015 * gcse.c: Likewise.
19016 * global.c: Likewise.
19017 * haifa-sched.c: Likewise.
19018 * integrate.c: Likewise.
19019 * jump.c: Likewise.
19020 * local-alloc.c: Likewise.
19021 * loop.c: Likewise.
19022 * optabs.c: Likewise.
19023 * recog.c: Likewise.
19024 * reg-stack.c: Likewise.
19025 * regclass.c: Likewise.
19026 * regmove.c: Likewise.
19027 * reload.c: Likewise.
19028 * reload1.c: Likewise.
19029 * reorg.c: Likewise.
19030 * resource.c: Likewise.
19031 * stmt.c: Likewise.
19032 * stor-layout.c: Likewise.
19033 * toplev.c: Likewise.
19034 * tree.c: Likewise.
19035 * unroll.c: Likewise.
19036 * genattrtab.c (main): Make generated file include "tm_p.h".
19037 * genemit.c (main): Likewise.
19038 * genoutput.c (main): Likewise.
19039 * genrecog.c (main): Likewise.
19041 * i386.h: Delete all prototypes.
19042 * i386.c: Include "tm_p.h".
19043 (ix86_attr_length_default): Call constant_call_address_operand
19044 with correct number of arguments.
19045 * i386-protos.h: New file.
19046 * i386.md (unnamed patterns): Call constant_call_address_operand
19047 with correct number of arguments.
19048 (exception_receiver): Call load_pic_register with correct number
19051 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19053 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19055 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19057 * rtl.h (insns_safe_to_move_p): New function.
19058 * loop.c (find_and_verify_loops): Use it.
19059 * rtlanal.c (insns_safe_to_move_p): Define it.
19061 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19063 * c-pragma.c: Include ggc.h.
19064 * Makefile.in (c-pragma.o): Update.
19066 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19068 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19069 (LIB_SPEC): Likewise.
19070 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19071 Reindent -YP/-p/-pg.
19072 Copied from config/sparc/sol2.h.
19074 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19076 * c-pragma.c (mark_align_stack): New.
19077 (init_pragma): New.
19078 * c-pragma.h (init_pragma): Declare it.
19079 * c-lex.c (init_parse): Call it.
19081 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19083 * configure.in: Pick up thread library on Solaris/x86 just
19084 like on Solaris/sparc.
19085 * configure: Rebuilt.
19087 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19089 * rtl.h (global_rtx_index): New enum.
19090 (global_rtl): Change to array of rtx.
19091 (pc_rtx, cc0_rtx): Redefine accordingly.
19092 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19093 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19094 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19095 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19096 (const_int_rtx): Change to array of rtx.
19097 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19099 * emit-rtl.c (global_rtl): Change to array of rtx.
19100 (const_int_rtx): Change to aray of rtx.
19101 (gen_rtx_CONST_INT): Redefine accordingly.
19102 (init_emit_once): Allocate and initialize global_rtl. Likewise
19103 for const_int_rtx. Add both as GC roots.
19104 * genattrtab.c (global_rtl): Update declaration.
19106 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19108 * Makefile (USER_H): Add iso646.h back.
19110 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19112 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19113 zapping the LOG_LINKS of sched_before_next_call.
19115 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19116 * pa.c (insn_refs_are_delayed): Renamed from
19117 insn_sets_and_refs_are_delayed.
19119 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19121 * functiion.h (struct function): Add x_whole_function_mode_p.
19122 (retrofit_block): Declare.
19123 * function.c (retrofit_block): New function.
19124 (identify_blocks): Add assertions. Allow an incomplete set of
19125 block notes if we're still generating code for the function.
19126 * integrate.c: Include loop.h.
19127 (expand_inline_function): Call find_loop_tree_blocks to map block
19128 notes to blocks when in whole-function mode. Use retrofit_block
19129 to insert new BLOCKs for the inlined function, rather than
19131 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19132 * Makefile.in (integrate.o): Depend on loop.h.
19134 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19136 * tree.h (warn_about_unused_variables): Declare.
19137 * stmt.c (warn_about_unused_variables): New function, split out
19139 (expand_end_bindings): Here.
19141 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19143 * stmt.c (preserve_subexpressions_p): Don't crash when
19144 current_function->stmt is unset.
19146 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19148 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19149 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19150 (expand_start_target_temps): Use it.
19151 * except.c (expand_eh_region_start_for_decl): Likewise.
19152 * expr.c (expand_expr): Likewise.
19154 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19156 * fold-const.c (operand_equal_p): Pay attention to side effects.
19158 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19160 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19161 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19163 * tlink.c (scan_linker_output): Look for keywords before accepting
19164 a mangled name in quotes.
19166 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19168 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19169 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19171 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19173 * alpha.md: Revert Thu Nov 26 change that came in through the
19174 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19175 Avoid earlyclobber when possible.
19177 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19179 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19181 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19182 Define HAVE_ON_EXIT.
19184 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19186 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19187 CTYPE_CONV in all ctype macros.
19189 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19192 * cexp.y (initialize_random_junk): Likewise.
19194 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19196 * i370.c (handle_pragma): Likewise.
19198 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19200 * v850.c (override_options): Likewise.
19202 * doprint.c (_doprnt): Likewise.
19204 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19207 * fixinc/server.c (load_data): Likewise.
19209 * fold-const.c (real_hex_to_f): Likewise.
19211 * genattr.c (write_upcase, gen_attr): Likewise.
19213 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19214 write_upcase): Likewise.
19216 * genemit.c (print_code): Likewise.
19218 * genopinit.c (gen_insn): Likewise.
19220 * genpeep.c (print_code): Likewise.
19222 * genrecog.c (print_code): Likewise.
19224 * optabs.c (init_libfuncs): Likewise.
19226 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19228 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19230 (reemit_notes): Likewise.
19232 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19234 * ggc.h (ggc_root): Move to ggc-common.c.
19236 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19237 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19238 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19239 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19240 * ggc-common.c (ggc_root): Move from ggc.h.
19241 (roots): Declare, static.
19242 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19243 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19244 null or check/set mark bit.
19245 (ggc_mark_roots): New.
19246 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19248 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19250 * m32r.c: Include toplev.h.
19251 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19252 (gen_compare): Rename swap_p to must_swap to match uses.
19253 Add default abort case.
19254 (m32r_output_function_epilogue): Remove unused variables.
19255 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19256 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19257 define to empty parameter list. Update all uses.
19258 (predicate decls): Use enum machine_mode not int.
19259 * m32r.md (movsi): Call abort, not fatal_insn.
19260 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19262 1999-09-14 Andrew Haley <aph@cygnus.com>
19264 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19265 use $0 instead of 0.
19267 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19269 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19270 computation out of loop over hard regs.
19272 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19274 * function.c (identify_blocks): Don't shadow a variable in an
19276 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19277 pushdecl, or poplevel to build up the new BLOCK tree.
19278 (expand_inline_function): Likewise.
19279 (integrate_parm_decls): Likewise.
19281 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19283 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19285 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19287 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19288 * invoke.texi: Document this change.
19290 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19292 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19294 (mark_emit_status): Renamed from mark_emit_state.
19295 * except.c (mark_eh_status): Renamed from mark_eh_state.
19296 Check not null before marking.
19297 (free_eh_status): New.
19298 * expr.c (mark_expr_status, free_expr_status): New.
19299 * function.c (free_machine_status): New.
19300 (free_after_parsing): New.
19301 (free_after_compilation): Move bits to free_after_parsing; call
19302 free_eh_status, free_expr_status; zero the marked members of the
19304 (prepare_function_start): No can_garbage_collect.
19305 Call init_eh_for_function.
19306 (expand_dummy_function_end): Free up current_function state.
19307 (mark_function_status): Renamed from mark_function_state.
19308 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19309 * function.h (struct function): No can_garbage_collect.
19310 (free_machine_status, free_after_parsing): Declare.
19311 (free_eh_status, free_expr_status): Declare.
19312 * ggc.h (mark_expr_status): Declare.
19313 * stmt.c (free_stmt_status): Free the struct.
19314 (mark_stmt_status): Renamed from mark_stmt_state.
19315 (init_stmt): Don't call init_eh.
19316 (init_stmt_for_function): Don't call init_eh_for_function.
19317 * toplev.c (compile_file): Call init_eh.
19318 (rest_of_compilation): Free basic block info before ggc_collect.
19319 Call free_after_parsing; conditionally call free_after_compilation.
19320 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19321 Check not null before marking.
19322 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19324 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19326 * c-lex.c (yylex): Initialize warn.
19328 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19330 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19331 register when performing secondary reloads for the SAR register.
19333 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19335 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19336 (NOTE_BLOCK): New macro.
19337 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19338 * function.h (identify_blocks): Change prototype.
19339 * function.c (identify_blocks): Simplify.
19340 (reorder_blocks): Likewise.
19341 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19342 NOTE_INSN_BLOCK_{BEG,END}.
19343 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19344 the list of saved notes if the note isn't a
19345 NOTE_INSN_BLOCK_{BEG,END}.
19346 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19348 (reemit_notes): Adjust recreation of notes to reflect new saved
19350 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19351 printing a block note.
19352 * stmt.c (block_vector): Remove.
19353 (find_loop_tree_blocks): Simplify.
19354 (unroll_block_trees): Likewise.
19355 * tree.h (reorder_block): Change prototype.
19357 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19359 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19360 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19361 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19362 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19363 (atexit, exit): Simplify.
19364 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19365 * config/lots: Remove defns of HAVE_ATEXIT.
19367 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19369 * calls.c (precompute_arguments): Fix typo in comment.
19370 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19373 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19375 * dsp16xx.c (override_options): Fix typos in GC root registration.
19377 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19379 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19380 from config/svr4.h.
19381 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19382 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19383 (CC1_SPEC): Likewise.
19385 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19387 * genattr.c (main): Add extern prototype. Call return, not exit.
19388 * genattrtab.c (main): Likewise.
19389 * gencheck.c (main): Likewise.
19390 * gencodes.c (main): Likewise.
19391 * genconfig.c (main): Likewise.
19392 * genemit.c (main): Likewise.
19393 * genextract.c (main): Likewise.
19394 * genflags.c (main): Likewise.
19395 * gengenrtl.c (main): Likewise.
19396 * genopinit.c (main): Likewise.
19397 * genoutput.c (main): Likewise.
19398 * genpeep.c (main): Likewise.
19399 * genrecog.c (main): Likewise.
19401 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19402 * genattrtab.c (get_insn_name): Likewise.
19403 * gencodes.c (get_insn_name): Likewise.
19404 * genconfig.c (get_insn_name): Likewise.
19405 * genemit.c (get_insn_name): Likewise.
19406 * genextract.c (get_insn_name): Likewise.
19407 * genflags.c (get_insn_name): Likewise.
19408 * genopinit.c (get_insn_name): Likewise.
19409 * genpeep.c (get_insn_name): Likewise.
19411 * gencheck.c (usage): Add static prototype.
19412 * genextract.c (print_path): Constify a char*.
19413 * genopinit.c (optabs): Likewise.
19414 * genoutput.c (operand_data, data, output_predicate_decls,
19415 compare_operands): Likewise.
19416 * genrecog.c (write_tree): Add default case in switch.
19418 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19420 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19422 * print-rtl.c (get_insn_name): Remove prototype.
19424 * toplev.h (progname): Declare const.
19426 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19427 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19428 dump_sched_info, dump_local_alloc, regset_release_memory,
19429 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19430 error_with_file_and_line, error_with_decl, error_for_asm, error,
19431 fatal, warning_with_file_and_line, warning_with_decl, warning,
19432 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19433 Remove redundant prototypes.
19435 (notice, check_lang_option, report_file_and_line, vnotice,
19436 mark_file_stack): Add static prototype.
19437 (set_fatal_function): Add prototype.
19438 (vnotice, report_file_and_line, set_fatal_function,
19439 check_lang_option): Constify a char*.
19440 (main): Prototype. Call return, not exit.
19442 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19444 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19446 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19448 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19450 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19452 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19454 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19455 behave as if it's zero in all cases.
19456 (expand_function_start): Adjust call to assign_parms.
19457 * tree.h (assign_parms): Adjust prototype.
19458 * objc/objc-act.c (hack_method_prototype): Adjust call to
19461 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19463 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19464 arg_pointer_rtx fixed if the argument pointer register is
19466 (NONZERO_BASE_PLUS_P): Likewise.
19468 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19470 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19471 match_insn2 to match_insn.
19472 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19474 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19476 * Makefile.in (USER_H): Remove va-foo.h.
19478 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19479 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19480 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19481 va-spur.h,va-v850.h}: Remove.
19483 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19485 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19486 (in_return_delay): Use it instead of match_insn.
19488 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19490 * config/alpha/va_list.h (va-alpha.h): Do not include.
19491 (__gnuc_va_list): Typedef as in varargs.h.
19493 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19495 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19496 DECL_LIVE_RANGE_RTL.
19498 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19500 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19501 not NOTE_BLOCK_NUMBER.
19502 (expand_eh_region_end): Likewise.
19503 (find_exception_handler_labels): Likewise.
19504 (scan_region): Likewise.
19505 (exception_optimize): Likewise.
19506 (update_rethrow_references): Likewise.
19507 (set_insn_eh_region): Likewise.
19508 * final.c (final_scan_insn): Likewise.
19509 * flow.c (make_edges): Likewise.
19510 * integrate.c (expand_inline_function): Likewise.
19511 * print-rtl.c (print_rtx): Likewise.
19513 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19515 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19516 terms of builtin functions and types.
19518 * mips.c (mips_build_va_list): New.
19519 (mips_va_start, mips_va_arg): New.
19520 * mips.h (BUILD_VA_LIST_TYPE): New.
19521 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19523 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19524 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19525 * sh.h (BUILD_VA_LIST_TYPE): New.
19526 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19528 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19530 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19531 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19532 (struct insn_data): Likewise with n_operands, n_dups,
19533 n_alternatives, output_format.
19534 * regclass.c (scan_one_insn): Cast n_operands to int before
19535 arithmetic inside comparison.
19537 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19539 * toplev.c (compile_function): Unconditionally emit nop.
19541 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19543 * haifa-sched.c (actual_hazard): Move declaration of variable
19544 `this_cost' into the scope where it is used.
19546 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19548 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19549 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19550 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19552 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19554 * jump.c (find_insert_position): Don't declare or define unless
19555 !HAVE_conditional_arithmetic.
19556 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19558 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19560 * recog.c (offsettable_address_p): Prototype function pointer.
19561 (preprocess_constraints): Call memset, not bzero.
19563 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19564 (gcc_obstack_init): Don't declare.
19565 (fix_sizetype): Add static prototype.
19566 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19567 (tree_cons): Call memset, not bzero.
19569 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19570 definition in macro ASM_WEAKEN_LABEL.
19571 (mark_const_hash_entry): Add static prototype.
19573 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19575 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19577 * unroll.c (find_common_reg_term, subtract_reg_term,
19578 loop_find_equiv_value): Add static prototypes.
19579 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19580 (copy_loop_body): Remove unreachable break statement.
19582 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19584 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19586 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19588 Undo some changes from the gcc2 merge:
19589 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19590 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19594 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19595 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19596 initialized float-int union if the value is a NaN.
19598 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19600 * gthr-win32.h: New file.
19602 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19603 shared as a valid attribute.
19604 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19605 * extend.texi: Document `shared' variable attribute.
19607 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19609 * configure.in: Handle --enable-threads on FreeBSD.
19610 * configure: Rebuit.
19612 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19614 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19616 * configure: Rebuilt.
19618 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19619 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19620 Rosimildo DaSilva <rdasilva@connecttel.com>
19622 * configure.in (m68k-*-rtemscoff*): Added.
19623 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19624 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19625 sparc-rtems configuration.
19626 * configure.in (sparc-*-rtemself*): Added.
19627 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19628 * config/i386/rtems.h: Added comment.
19629 * config/sparc/rtemself.h: New file.
19631 * configure.in (m68k-rtemself): Added.
19632 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19633 and DWARF_DEBUGGING_INFO.
19634 * config/m68k/crti.s: New file.
19635 * config/m68k/crtn.s: New file.
19636 * config/m68k/t-crtstuff: New file.
19637 * config/m68k/rtemself.h: New file.
19639 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19640 global ctor/dtor and C++ exception handling.
19641 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19642 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19644 * config/i386/t-rtems-i386: New File.
19646 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19648 * stmt.c (expand_end_case): Return right away if the case stack is
19651 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19653 * Makefile.in (version.c): Remove rule incorrectly brought in from
19656 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19658 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19659 * msdos/top.sed: Take into account a prepended $(SHELL) to
19661 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19663 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19665 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19667 * regmove.c (fixup_match_1): Don't change an unchanging register.
19668 (stable_but_for_p): Renamed to:
19669 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19670 Changed all callers.
19672 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19674 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19675 insn from BL2 is after the insn from BL.
19677 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19679 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19680 (struct insn_data): Merge `template' and `outfun' into `output'.
19681 Add `output_format'.
19682 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19683 (struct data): Remove `outfun'; add `output_format'.
19684 (name_for_index): Remove declaration.
19685 (output_insn_data): Handle output formats.
19686 (process_template): Emit the bare array for @.
19687 (gen_expand, gen_split): Set output_format to NONE.
19688 * output.h (get_insn_template): Declare.
19689 * final.c (get_insn_template): New.
19690 (final_scan_insn): Use it.
19691 * toplev.c (compile_file): Likewise.
19693 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19694 * i860/i860.c (output_delayed_branch): Likewise.
19695 (output_delay_insn): Likewise.
19697 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19699 * rtl.c (obstack_alloc_rtx): Removed.
19701 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19703 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19705 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19707 * i386.c (call_insn_operand): Reject const_int.
19708 (expander_call_insn_operand): Use call_insn_operand.
19710 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19712 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19714 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19716 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19717 Use DImode operation.
19719 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19721 * gcc.c: Include sys/resource.h.
19722 (report_times): New flag.
19723 (execute): If report_times is set, calculate and report the
19724 CPU time consumed by each subprocess.
19726 (rus, prus): New globals.
19727 (option_map): Add --time.
19728 (display_help): Document -time.
19729 (process_command): Set report_times if -time is given.
19730 Turn off -pipe if -time is given.
19732 * invoke.texi: Document new option -time.
19734 * configure.in: Check for getrusage. Check if we have to
19735 prototype getrusage.
19736 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19737 * configure: Regenerate.
19738 * config.in: Regenerate.
19740 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19742 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19745 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19747 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19748 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19749 (nan): Return _thenan_sf or _thenan_df as appropriate.
19750 (L_thenan_sf): Define _thenan_sf.
19751 (L_thenan_df): Define _thenan_df.
19753 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19754 (DPBIT_FUNCS): Add _thenan_df.
19756 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19758 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19761 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19763 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19766 (lang_specific_driver): Don't take a function pointer parameter.
19767 All callers changed.
19769 * gcc.c: Include gcc.h.
19770 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19771 lang_specific_extra_outfiles, fatal): Don't declare.
19772 (multilib_defaults_raw): Constify.
19773 (read_specs): Call memset, rather than bzero.
19774 (main): Call return, not exit.
19775 (lookup_compiler): Call memcpy, not bcopy.
19776 (fatal): Make extern.
19778 * cppspec.c: Include gcc.h.
19779 (lang_specific_driver): Initialize variable `quote'. Constify a
19780 char*. All calls to the function pointer parameter now
19781 explicitly call `fatal'.
19783 * gccspec.c (lang_specific_driver): Include gcc.h.
19785 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19787 * arm.c (note_invalid_constants): Use recog_data.operand_type
19790 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19792 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19795 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19796 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19797 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19798 reload_secondary_in_reload, reload_secondary_out_reload,
19799 reload_secondary_in_icode, reload_secondary_out_icode,
19800 reload_reg_rtx, reload_when_needed): Delete declarations.
19801 (struct reload): New structure.
19802 (rld): Declare new array.
19803 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19804 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19805 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19806 reload_secondary_in_reload, reload_secondary_out_reload,
19807 reload_secondary_in_icode, reload_secondary_out_icode,
19808 reload_reg_rtx, reload_when_needed): Delete definitions.
19810 (whole file): Replace uses of the deleted arrays with uses of rld.
19811 * reload1.c (whole file): Replace uses of the deleted arrays with
19813 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19814 explicit loops, not with bcopy.
19816 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19818 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19819 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19820 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19821 insn_name): Delete and consolidate into new structures.
19822 (insn_operand_predicate_fn): New.
19823 (insn_output_fn): New.
19824 (insn_gen_fn): New.
19825 (struct insn_operand_data): New.
19826 (struct insn_data): New.
19828 (OUT_FCN): Update for insn_data change.
19829 * builtins.c (expand_builtin_strlen): Likewise.
19830 (expand_builtin_memcmp): Likewise.
19831 * combine.c (make_extraction, simplify_comparison): Likewise.
19832 * cse.c (canon_reg, cse_insn): Likewise.
19833 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19834 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19835 (emit_store_flag): Likewise.
19836 * expr.c (convert_move, emit_block_move): Likewise.
19837 (clear_storage, emit_push_insn, expand_increment): Likewise.
19838 (do_store_flag): Likewise.
19839 * expr.h (GEN_FCN): Likewise.
19840 (insn_gen_function): Die.
19841 * final.c (final_scan_insn): Update for insn_data change.
19842 (output_asm_name): Likewise.
19843 * function.c (fixup_var_refs_1): Likewise.
19844 * loop.c (check_dbra_loop): Likewise.
19845 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19846 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19847 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19848 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19849 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19850 * regmove.c (gen_add3_insn): Likewise.
19851 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19852 (find_reloads, find_reloads_address_1): Likewise.
19853 (debug_reload_to_stream): Likewise.
19854 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19855 * stmt.c (expand_end_case): Likewise.
19856 * toplev.c (compile_file): Likewise.
19858 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19859 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19861 * print-rtl.c (insn_name_ptr): Remove declaration.
19862 (get_insn_name): Declare.
19863 (print_rtx): Use it.
19864 * genoutput.c (insn_name_ptr): Remove.
19865 (next_operand_number): New.
19866 (struct operand_data): New.
19867 (null_operand, odata, odata_end): New.
19868 (struct data): Use struct operand_data.
19869 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19870 (get_insn_name): Renamed from name_for_index.
19871 (output_prologue): Define NO_MD_PROTOTYPES.
19872 (output_predicate_decls): Break out from output_epilogue.
19873 Iterate over the operands list.
19874 (output_operand_data): Break out from output_epilogue. Emit
19875 just the operands list.
19876 (output_insn_data): Break out from output_epilogue. Emit just
19878 (output_epilogue): Remove.
19879 (output_get_insn_name): New.
19880 (constraints, op_n_alternatives, predicates, address_p): Die.
19881 (modes, strict_low, seen): Die.
19882 (scan_operands): Take new param `d' instead of writing to
19883 seven global variables.
19884 (compare_operands): New.
19885 (place_operands): New.
19886 (validate_insn_alternatives): Update for struct data change.
19887 (gen_insn): Don't zero or copy 7 global arrays. Update for
19888 scan_operands; call place_operands.
19889 (gen_peephole, gen_expand, gen_split): Likewise.
19890 (main): Update for new output routines.
19892 * genattr.c (insn_name_ptr): Remove.
19893 (get_insn_name): New function.
19894 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19895 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19896 * genrecog.c: Likewise.
19898 * alpha.md (adddi3): Make `pattern' array static.
19900 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19902 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19903 c4x_cpu_version_string): Constify char *.
19904 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19905 c4x_cpu_version_string): Likewise.
19907 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19909 * tree.c (save_tree_status): Revert 10 Sep change.
19910 (restore_tree_status): Likewise. Call obstack_free with NULL
19911 before freeing the obstack proper.
19913 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19915 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19917 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19918 surrounding context.
19920 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19922 * tree.c (type_hash_canon): Put all types in the hash-table, when
19925 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19927 * recog.h (struct recog_data, recog_data): New.
19928 (recog_foo variables): Kill.
19929 * recog.c (recog_operand, recog_operand_loc): Kill.
19930 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19931 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19932 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19933 (recog_data): Define.
19934 (extract_insn): Update all recog_foo references to use recog_data.
19935 (preprocess_constraints, constrain_operands): Likewise.
19936 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19937 * genattrtab.c (main): Likewise.
19938 * genextract.c (main): Likewise.
19939 * genoutput.c: Likewise.
19940 * genrecog.c (write_subroutine, main): Likewise.
19941 * local-alloc.c (block_alloc): Likewise.
19942 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19943 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19944 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19945 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19946 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19947 (reload_cse_simplify_operands): Likewise.
19949 * arc/arc.c (arc_final_prescan_insn): Likewise.
19950 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19951 * h8300/h8300.c (notice_update_cc): Likewise.
19952 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19953 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19954 * mn10200/mn10200.c (notice_update_cc): Likewise.
19955 * mn10300/mn10300.c (notice_update_cc): Likewise.
19956 * romp/romp.c (update_cc): Likewise.
19957 * sparc/sparc.c (check_pic): Likewise.
19958 * v850/v850.c (notice_update_cc): Likewise.
19960 * genemit.c (main): Don't declare recog_operand.
19962 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19964 * ggc.h (rtvec_def): Forward declare.
19965 (tree_node): Likewise.
19966 (ggc_root): Define.
19968 (ggc_set_mark_rtx): Add prototype.
19969 (ggc_set_mark_rtvec): Likewise.
19970 (ggc_set_mark_tree): Likewise.
19971 * ggc-simple.c (ggc_root): Don't define.
19972 (roots): Don't declare.
19973 (ggc_mark_rtx): Remove.
19974 (ggc_mark_rtvec): Likewise.
19975 (ggc_mark_tree): Likewise.
19976 (ggc_mark_varray): Likewise.
19977 (ggc_mark_tree_hash_table_entry): Likewise.
19978 (ggc_mark_tree_hash_table): Likewise.
19979 (ggc_set_mart_rtx): New function.
19980 (ggc_set_mark_rtvec): Likewise.
19981 (ggc_set_mark_tree): Likewise.
19982 (ggc_add_root): Remove.
19983 (ggc_add_rtx_root): Likewise.
19984 (ggc_remove_tree_root): Likewise.
19985 (ggc_add_string_root): Likewise.
19986 (ggc_add_tree_varray_root): Likewise.
19987 (ggc_add_tree_hash_table_root): Likewise.
19988 (ggc_del_root): Likewise.
19989 (ggc_mark_rtx_ptr): Likewise.
19990 (ggc_mark_tree_ptr): Likewise.
19991 (ggc_mark_string_ptr): Likewise.
19992 (ggc_mark_tree_varray_ptr): Likewise.
19993 (ggc_mark_tree_hash_table_ptr): Likewise.
19994 * ggc-common.c: New file.
19995 * Makefile.in (OBJS): Add ggc-common.o.
19996 (ggc-common.o): List dependencies.
19998 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20000 * cppalloc.c (xstrdup): Use memcpy.
20001 * cpperror.c (cpp_print_containing_files): Don't use
20003 * cpplib.c (conditional_skip): Set temp->lineno.
20004 (do_endif): Make error message less obscure.
20005 (if_directive_name): New function.
20006 (cpp_get_token [case EOF]): Unwind the if stack and generate
20007 error messages for each unterminated conditional in this file.
20008 (parse_string): Do not behave differently if -traditional.
20010 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20012 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20013 va_list decomposing to pointer-type.
20014 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20015 (rs6000_va_arg): Likewise.
20017 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20019 * except.c (start_dynamic_handler): Compute size using
20020 STACK_SAVEAREA_MODE.
20022 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20024 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20025 include directory headers. Don't define strrchr. Don't provide
20026 my_* replacement functions. Prefer PTR over `pointer_type'.
20027 Don't prototype system functions. Don't redefine getopt.
20029 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20030 safe_read, safe_write, save_pointers, restore_pointers,
20031 is_id_char, in_system_include_dir, directory_specified_p,
20032 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20033 find_corresponding_lparen, referenced_file_is_newer,
20034 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20035 process_aux_info_file, identify_lineno, check_source,
20036 seek_to_line, forward_to_next_token_char, output_bytes,
20037 output_string, output_up_to, other_variable_style_function,
20038 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20039 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20040 find_static_definition, connect_defs_and_decs, add_local_decl,
20041 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20042 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20043 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20044 scan_for_missed_items, edit_file, string_list_cons): Add static
20046 (standard_exec_prefix, target_machine, target_version,
20047 default_syscalls_dir, string_list, string_list_cons, find_file,
20048 do_cleaning): Constify a char*.
20049 (safe_read, safe_write): Use PTR, not a char*.
20050 (is_id_char): Take an int, not a char.
20051 (main): Add prototype. Call return, not exit.
20053 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20055 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20056 when comparing types.
20058 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20060 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20061 (strength_reduce): Release the varrays from the no-bivs early exit.
20063 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20064 the loop over the registers.
20066 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20068 (restore_tree_status): Check that instead when freeing the obstack.
20070 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20072 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20075 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20077 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20078 operand size modifiers.
20080 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20082 * c-common.c (c_common_nodes_and_builtins): Don't build
20084 * c-common.h (enum c_tree_index and related accesor macros): Remove
20085 everything now declared in tree.h.
20086 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20087 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20088 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20089 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20090 unsigned_type_node, ptr_type_node, va_list_type_node,
20091 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20092 (init_decl_processing): Call build_common_tree_nodes and
20093 build_common_tree_nodes_2 instead of building their nodes here.
20094 Don't add roots for these nodes.
20095 * stor-layout.c (size_zero_node, size_one_node): Delete.
20096 (set_sizetype): Make a new node for bitsizetype each time.
20097 * tree.c (global_trees): New variable.
20098 (init_obstacks): Add a gc root for it.
20099 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20100 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20101 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20102 (build_common_tree_nodes): New function.
20103 (fix_sizetype): New function.
20104 (build_common_tree_nodes_2): New function.
20105 * tree.h (enum tree_index): New.
20106 (global_trees): Declare.
20107 Add accessor macros for all nodes now moved to global_trees.
20108 Delete their declarations.
20110 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20112 * c-decl.c (finish_function): When processing a nested function,
20113 push and pop GC context around rest_of_compilation.
20115 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20117 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20118 Default ix86_arch to PROCESSOR_I386.
20119 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20120 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20121 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20122 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20123 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20124 (EXTRA_SPECS): Remove deleted specs.
20126 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20128 * function.c (assign_stack_local_1): Allocate from
20129 function->x_frame_offset, not frame_offset.
20131 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20133 * ggc.h (lang_cleanup_tree): Remove.
20134 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20135 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20137 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20138 TYPE_LANG_SPECIFIC when garbage collecting.
20139 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20140 (lang_cleanup_tree): Remove.
20142 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20144 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20145 * crtstuff.c: Not here.
20146 * dwarf2out.c: Or here.
20147 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20150 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20152 * function.h (free_after_compilation): Remove decl parameter.
20153 (free_varasm_status0: Likewise.
20154 (free_emit_status): Likewise.
20155 (free_stmt_status): Likewise.
20156 (free_after_compilation): Likewise.
20157 (init_lang_status): New variable.
20158 (free_lang_status): Likewise.
20159 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20160 * function.c (init_lang_status): New variable.
20161 (free_lang_status): Likewise.
20162 (push_function_context_to): Don't set function::decl here.
20163 (free_after_copmilation): Make decl parameter implicit. Call
20164 free_lang_status if defined.
20165 (prepare_function_start): Call init_lang_status if defined.
20166 (init_function_start): Set function::decl here.
20167 * profile.c (output_func_start_profiler): Don't call pushdecl
20168 until we've actually started the function.
20169 * stmt.c (free_stmt_status): Make decl parameter implicit.
20170 * toplev.c (rest_of_compilation): Don't pass decl to
20171 free_after_compilation.
20172 * varasm.c (free_varasm_status): Likewise.
20174 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20176 * except.c (call_get_eh_context): Add root when allocating static
20179 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20181 * arm.c: Include "ggc.h".
20182 (arm_add_gc_roots): New function.
20183 (arm_override_options): Call it.
20184 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20186 * arm.md (define_asm_attributes): Add a pool_range attribute.
20188 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20190 * extend.texi (Volatiles): New node.
20192 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20194 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20195 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20196 (struct ggc_any): Replace `mark' with `magic_mark'.
20197 (ggc_alloc_string): Use memcpy, not bcopy.
20198 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20199 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20200 (ggc_free_any): New.
20201 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20202 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20203 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20204 Use IS_MARKED. Use ggc_free_any.
20206 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20208 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20210 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20212 * toplev.c (main): Always init_ggc.
20214 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20216 * except.c (find_all_handler_type_matches): Free the list if
20217 we found no matches.
20219 * combine.c (SUBST): Break out to a real function do_SUBST.
20220 (SUBST_INT): Likewise.
20221 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20222 (pre_insert): Free `inserted'.
20223 * loop.c (basic_induction_var): Always set `location'.
20225 * function.c (expand_function_end): Add initial_trampoline as a root.
20226 * rtl.h (init_varasm_once): Declare.
20227 * toplev.c (compile_file): Call it.
20228 * ggc-simple.c (ggc_mark_string_ptr): New.
20229 (ggc_add_string_root): New.
20230 (ggc_collect): Disable collection avoidance temporarily.
20231 * ggc.h (ggc_add_string_root): Declare.
20232 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20233 * optabs.c (init_libfuncs): Likewise.
20234 * varasm.c (named_section): Use ggc_alloc_string.
20235 (make_function_rtl): Likewise.
20236 (make_decl_rtl): Likewise.
20237 (assemble_static_space): Likewise.
20238 (assemble_trampoline_template): Likewise.
20239 (output_constant_def): Likewise.
20240 (force_const_mem): Likewise.
20241 (mark_const_hash_entry): New.
20242 (mark_pool_sym_hash_table): New.
20243 (mark_varasm_state): Use it.
20244 (init_varasm_once): New.
20246 * expr.h (init_one_libfunc): Declare.
20247 * optabs.c (init_one_libfunc): New.
20248 (init_optabs): Use it.
20249 * config/gofast.h: Likewise.
20250 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20251 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20253 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20255 * Makefile.in (cppexp.o): Depend on cpphash.h.
20256 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20258 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20259 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20260 redefining poisoned identifiers, etc.
20261 (do_undef): Don't allow poisoned identifiers to be undefined.
20262 (do_pragma): Add #pragma poison.
20263 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20265 * cccp.c: Add T_POISON node type.
20266 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20268 (do_define): Generalise to handle poisoned definitions,
20269 redefining poisoned identifiers, etc.
20270 (do_undef): Don't allow poisoned identifiers to be undefined.
20271 (do_pragma): Add #pragma poison.
20272 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20274 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20275 * c-pragma.h: Add ps_poison state. We now always have generic
20278 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20280 * ggc.h (ggc_alloc): New function.
20281 (ggc_mark): Likewise.
20282 * ggc-simple.c (ggc_any): New structure.
20283 (ggc_status): Add anys.
20284 (n_anys_collected): New variable.
20285 (ggc_alloc): Define.
20286 (ggc_mark): Likewise.
20287 (ggc_collect): Collect the anys.
20289 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20291 * c-decl.c (mark_binding_level): Make static to match prototype.
20293 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20295 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20297 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20299 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20300 will use into account. Expand the max width to 5.
20303 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20305 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20306 for the rtx length.
20308 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20310 * alpha.md (call value patterns): Remove the result predicates.
20312 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20314 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20317 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20319 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20320 changed from extern char *, to extern PTR. Also fix typo in
20321 NEED_DECLARATION_REALLOC test.
20323 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20325 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20327 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20328 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20329 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20330 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20332 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20334 * cccp.c (pcfinclude): Likewise.
20336 * global.c (allocno_compare): Likewise.
20338 * haifa-sched.c (rank_for_schedule): Likewise.
20340 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20342 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20344 * stupid.c (stupid_reg_compare): Likewise.
20346 * tree.c (_obstack_allocated_p): Likewise.
20348 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20350 1999-09-08 Bruce Korb autogen@linuxbox.com
20352 * Makefile.in: Give the hapless gperf user a hint about
20353 why "gperf -F" fails.
20355 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20357 * lists.c: Include ggc.h.
20359 (init_EXPR_INSN_LIST_cache): Install it.
20361 * ggc-simple.c (init_ggc): Absorb the old init.
20362 (ggc_push_context): Use xcalloc.
20363 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20364 (ggc_collect): Add [rvts] tags to the collection stats.
20366 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20368 * cccp.c (main): Fix handling of -include and -imacros options.
20370 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20372 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20374 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20376 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20379 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20381 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20382 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20383 and SET_DEST. Update comment.
20385 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20387 * config/c4x/c4x.c: Include ggc.h.
20388 (c4x_add_gc_roots): New function.
20389 (c4x_override_options): Call c4x_add_gc_roots.
20391 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20393 * defaults.h (TARGET_ESC): Move ...
20394 * system.h: ... here, where Linas had it in the first place. Silly me.
20396 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20398 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20399 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20400 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20401 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20402 * defaults.h (TARGET_ESC): Add default.
20404 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20406 * configure.in: add i370-*-openedition, i370-*-mvs and
20407 i370-*-linux targets
20409 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20411 * dsp16xxx.c: Include ggc.h
20412 (override_options): Mark GC roots.
20413 * mn10200.c: Include ggc.h.
20414 (asm_file_start): Mark GC roots.
20415 * tahoe.c: Include ggc.h.
20416 (extensible_operand): Mark GC roots.
20418 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20420 * README: Add section discussing status of ELF ABI.
20421 * i370.c: Fix misc spelling mistakes.
20422 (i370_label_scan): Updated notes, exception handling.
20423 (i370_function_prolog): Simplify ELF stack handling.
20424 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20425 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20426 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20427 * i370.md: (movdi): Add notes.
20428 (floatsidf2): Use stack not rtca for scratch float area.
20429 (iorsi3): Correct operand constraints.
20430 * x-oe: Restore TAROUTOPTS which are used by pax.
20432 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20434 * rs6000.c: Include ggc.h.
20435 (rs6000_add_gc_roots): New function.
20436 (override_options): Call it.
20438 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20440 * alpha.h (alpha_compare): New.
20441 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20442 * alpha.c: Likewise for the definitions.
20443 (alpha_emit_conditional_branch): Update for alpha_compare.
20444 (alpha_emit_conditional_move): Likewise.
20445 * alpha.md (cmpdf, cmpdi): Likewise.
20446 (setcc patterns): Likewise. Zero alpha_compare after use.
20447 (sne): Optimize (x != 0) into (0U < x).
20449 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20451 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20452 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20453 (INIT_EXPANDERS): Remove.
20454 * alpha.c: Include ggc.h.
20455 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20456 (alpha_init_machine_status, alpha_mark_machine_status): New.
20457 (override_options): Install them.
20458 (struct machine_function): Moved to alpha.h.
20459 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20460 (alpha_init_expanders): Remove.
20461 (alpha_return_addr): Adjust to use current_function->machine.
20462 (alpha_ra_ever_killed): Likewise.
20463 (alpha_expand_epilogue): Likewise.
20464 * alpha.md (eh_epilogue): Likewise.
20466 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20467 Melissa O'Neill <oneill@cs.sfu.ca>
20468 Geoffrey Keating <geoffk@cygnus.com>
20470 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20471 call-used registers (call-saved registers must still be contiguous
20472 and end with r31, of course).
20474 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20476 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20477 (self_promoting_type_p): Delete.
20478 (self_promoting_args_p): Move ...
20479 * c-common.c: ... here.
20480 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20481 (simple_type_promotes_to): New.
20482 * builtins.c (lang_type_promotes_to): New.
20483 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20484 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20485 * c-common.h: ... here.
20486 (self_promoting_args_p, simple_type_promotes_to): Declare.
20487 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20488 (grokdeclarator): Likewise.
20489 * tree.h (lang_type_promotes_to): Declare.
20491 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20493 Add some machine-dependent GC roots.
20494 * sparc.c: Include ggc.h.
20495 (sparc_add_gc_roots): New function.
20496 (mark_ultrasparc_pipeline_state): Likewise.
20497 (override_options): Call sparc_add_gc_roots.
20498 * pa.c: Include ggc.h.
20499 (pa_add_gc_roots): New function.
20500 (mark_deferred_plabels): Likewise.
20501 (override_options): Call pa_add_gc_roots.
20502 * mips.c: Include ggc.h.
20503 (mips_add_gc_roots): New function.
20504 (override_options): Use it.
20506 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20508 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20510 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20511 cpp_parse_expr): Add static prototypes.
20512 (parse_charconst): Don't cast away const-ness.
20513 (token): Constify a char*.
20515 * cppfiles.c (file_name_list, include_hash, find_include_file,
20516 finclude, initialize_input_buffer): Constify a char*.
20517 (file_cleanup, find_position): Add static prototypes.
20519 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20520 collect_expansion): Add static prototypes.
20521 (cpp_install, create_definition, monthnames): Constify a char*.
20523 * cpphash.h (cpp_install): Likewise.
20525 * cppinit.c (known_suffixes, default_include,
20526 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20527 (base_name, dump_special_to_buffer, initialize_dependency_output):
20528 Add static prototypes.
20530 * cpplib.c (my_strerror): Constify a char*.
20531 (null_underflow, null_cleanup, skip_comment, copy_comment,
20532 copy_rest_of_line, handle_directive, pass_thru_directive,
20533 get_directive_token, read_line_number, cpp_print_file_and_line,
20534 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20535 v_cpp_warning_with_line, detect_if_not_defined,
20536 consider_directive_while_skipping): Add static prototypes.
20537 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20538 cpp_pedwarn_with_file_and_line): Constify a char*.
20540 * cpplib.h (cpp_options, include_hash, progname, definition,
20541 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20542 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20543 find_include_file, deps_output, include_hash): Constify a char*.
20545 * cppmain.c (progname): Constify.
20546 (main): Add prototype. Use return, not exit.
20548 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20549 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20550 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20551 check_protection): Add static prototype.
20553 (progname, recognized_macrom, recognized_extern): Constify a char*.
20554 (main): Add prototype.
20556 * gen-protos.c (progname): Constify a char*.
20558 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20560 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20561 (init_emit_once): Add more GC roots.
20562 * except.c (mark_func_eh_entry): New function.
20563 (mark_eh_node): Mark false_label and rethrow_label.
20564 (init_eh): Add more GC roots.
20565 * function.c (free_after_compilation): Take decl as a paramter.
20566 Call free_stmt_status.
20567 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20569 * function.h (free_after_compilation): Change prototype.
20570 (free_varasm_status): Likewise.
20571 (free_emit_status): Likewise.
20572 (free_stmt_status): New function.
20573 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20574 Remove, replacing with ...
20575 (ggc_status): New structure.
20576 (ggc_chain): New variable.
20577 (init_gcc): Define.
20578 (ggc_push_context): New function.
20579 (ggc_pop_context): Likewise.
20580 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20581 (ggc_alloc_rtvec): Likewise.
20582 (ggc_alloc_tree): Likewise.
20583 (ggc_alloc_string): Likewise.
20584 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20585 (ggc_mark_tree): Give language-dependent code a chance to mark
20587 (ggc_mark_tree_varray): Handle empty arrays.
20588 (ggc_collect): Adjust for use of ggc_chain. Clear
20589 bytes_alloced_since_last_gc.
20590 * ggc.h (ggc_pop_context): New function.
20591 (ggc_push_context): Likewise.
20592 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20593 * stmt.c (free_stmt_status): New function.
20594 (init_stmt_for_function): Clear last_expr_value.
20595 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20596 Conditionalize call to ggc_collect.
20597 (main): Call init_ggc.
20598 * tree.c (push_obstacks): Do the push, even when GC'ing.
20599 (push_obstacks_nochange): Likewise.
20600 (pop_obstacks): Liekwise.
20601 * varasm.c (free_varasm_status): Take decl as a parameter.
20603 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20605 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20606 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20607 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20608 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20610 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20612 * pa/x-pa-mpeix: New file for the MPE port.
20614 * pa/quadlib.asm: New file for long double support.
20616 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20617 * configure: Rebuilt.
20619 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20621 * final.c (shorten_branches): Fix last change.
20623 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20625 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20627 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20629 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20632 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20634 * c-aux-info.c (concat): Don't define.
20636 * cccp.c (my_strerror): Likewise. All callers changed to use
20638 (do_include): Call xstrdup, not xmalloc/strcpy.
20639 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20640 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20642 * collect2.c (my_strsignal): Likewise. All callers changed to use
20644 (locatelib): Call xstrdup, not xmalloc/strcpy.
20646 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20648 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20650 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20652 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20654 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20656 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20658 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20660 (find_all_handler_type_matches): Likewise. Don't check return
20662 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20663 xmalloc, not malloc.
20664 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20666 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20667 (init_spec): Call xcalloc, not xmalloc/bzero.
20668 (set_spec): Call xstrdup, not save_string.
20669 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20670 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20671 (process_command): Call xstrdup, not save_string.
20672 (main): Call xcalloc, not xmalloc/bzero.
20674 * gcov.c (xmalloc): Don't define.
20675 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20676 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20677 (output_data): Call xcalloc, not xmalloc/bzero.
20679 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20681 * mips-tdump.c (xmalloc): Don't define.
20682 (print_symbol): Call xmalloc, not malloc.
20683 (read_tfile): Call xcalloc, not calloc.
20685 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20686 Don't define. All callers of xfree/my_strsignal changed to use
20687 free/strsignal instead.
20688 (allocate_cluster): Call xcalloc, not calloc.
20690 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20691 Fix memory leak, free allocated memory.
20693 * prefix.c (translate_name): Call xstrdup, not save_string.
20694 (update_path): Likewise.
20696 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20698 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20699 Don't define. Callers of xfree/savestring2 changed to use
20700 free/concat instead.
20702 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20703 (init_elim_table): Likewise.
20705 * resource.c (init_resource_info): Likewise.
20707 * stupid.c (stupid_life_analysis): Likewise.
20709 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20710 (open_dump_file): Call concat, not xmalloc/strcpy/...
20711 (clean_dump_file): Likewise.
20712 (compile_file): Call xstrdup, not xmalloc/strcpy.
20714 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20716 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20717 * v850.c (v850_va_arg): New.
20719 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20721 * haifa-sched.c: Tidy comments.
20723 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20725 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20726 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20727 $(out_object_file)): Depend on ggc.h.
20728 * c-common.c: Include "ggc.h".
20729 (combine_strings): If doing GC, use ggc_alloc_string.
20730 * c-decl.c: Include "ggc.h".
20731 (ggc_p): Define with value 0.
20732 (mark_binding_level): New function.
20733 (init_decl_processing): Add GC roots.
20734 (mark_c_function_context): New function.
20735 (lang_mark_false_label_stack): New function.
20736 (lang_mark_tree): New function.
20737 (lang_cleanup_tree): New function.
20738 * c-lang.c: Include "ggc.h".
20739 (lang_init): Call c_parse_init.
20740 * c-lex.c: Include "ggc.h".
20741 (check_linenum): If doing GC, don't copy filenames to permanent
20743 * c-parse.in: Include "ggc.h".
20744 (c_parse_init): New function.
20745 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20746 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20748 * except.c (mark_eh_state): Mark more state.
20749 * function.c (mark_function_state): Likewise.
20750 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20751 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20752 * toplev.c (mark_file_stack): New function.
20753 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20754 (main): Add root for input_file_stack.
20756 * i386.c: Include "ggc.h".
20757 (ix86_mark_machine_status): New function.
20758 (override_options): Set mark_machine_status.
20760 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20762 * tree.c (copy_node): Copy node contents also if doing GC.
20764 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20766 * collect2.c (scan_libraries): Fix double-thinko :-).
20768 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20770 * collect2.c (scan_libraries): Fix thinko.
20772 * cse.c (delete_trivially_dead_insns): Do not skip the last
20773 insn if it is a real insn.
20775 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20777 * Makefile.in (ggc-simple.o): Depend on hash.h.
20778 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20779 (ggc_mark_tree_varray): Likewise.
20780 (ggc_mark_tree_hash_table): Likewise.
20781 * ggc-simple.c: Include hash.h.
20782 (ggc_mark_tree_hash_table_ptr): New function.
20783 (ggc_mark_tree_hash_table_entry): Likewise.
20784 (ggc_mark_tree_hash_table): Likewise.
20785 (ggc_add_tree_hash_table_root): Likewise.
20786 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20787 rtx, when defining fields.
20789 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20791 * profile.c (output_func_start_profiler): Remove apparently
20792 nonsensical call to start_sequence.
20794 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20796 * clipper/clipper.c (clipper_va_start): Fix typos.
20798 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20799 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20800 (spur_va_arg): New stub.
20802 * configure.in: Comment out pyramid.
20804 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20806 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20807 don't conflict with the bits that win32, cygwin, and dgux
20810 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20811 Bernd Schmidt <bernds@cygnus.co.uk>
20813 * integrate.c (function_cannot_inline_p): Do not inline
20814 functions with forced labels.
20816 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20817 Bernd Schmidt <bernds@cygnus.co.uk>
20818 Mark Mitchell <mark@codesourcery.com>
20820 * Makefile.in (ggc-simple.o): Depend on varray.h.
20821 (rtl.o): Depend on ggc.h.
20822 (genattrtab.o): Depend on ggc.h.
20823 (print-tree.o): Likewise.
20824 (fold-const.o): Likewise.
20825 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20826 (make_insn_raw): Don't cache insns when GC'ing.
20827 (emit_insn_before): Likewise.
20828 (emit_insn_after): Likewise.
20829 (emit_insn): Likewise.
20830 (start_sequence): Use xmalloc to allocate the sequence_stack.
20831 (end_sequence): Add free to free it.
20832 (gen_sequence): Don't cache insns when GC'ing.
20833 (clear_emit_caches): Don't use sequence_element_free_list.
20834 (init_emit): Use xcalloc, not xmalloc+bzero.
20835 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20836 * function.c (pop_function_context_from): Use free to free the
20837 fixup_var_refs_queue.
20838 (put_reg_into_stack): Allocate it with xmalloc.
20839 * genattrtab.c: Include ggc.h.
20840 (operate_exp): Don't use obstack_free when GC'ing.
20841 (simplify_cond): Likewise.
20842 (simplify_text_exp): Likewise.
20843 (optimize_attrs): Likewise.
20844 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20846 (gencode): Generate a #include for ggc.h.
20847 * ggc-callbacks.c (ggc_p): Define it to zero.
20848 * ggc-none.c (ggc_p): Likewise.
20849 * ggc-simple.c: Include varray.h.
20850 (ggc_mark_tree_varray): New function.
20851 (ggc_add_tree_varray_root): Likewise.
20852 (ggc_mark_tree_varray_ptr): Likewise.
20853 * ggc.h (ggc_p): Declare.
20854 (varray_head_tag): Likewise.
20855 (ggc_add_tree_varray_root): Declare.
20856 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20857 inconsistencies when GC'ing.
20858 * rtl.c: Include ggc.h.
20859 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20860 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20861 (rtx_free): Don't call obstack_free when GC'ing.
20862 * toplev.c (rest_of_compilation): Call ggc_collect after every
20864 * tree.c (push_obstacks): Do nothing, if GC'ing.
20865 (pop_obstacks_nochange): Likewise.
20866 (pop_obstacks): Likewise.
20867 (make_node): Use ggc_alloc_tree when GC'ing.
20868 (copy_node): Likewise.
20869 (get_identifier): Use ggc_alloc_string when GC'ing.
20870 (build_string): Likewise.
20871 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20872 (tree_cons): Likewise.
20873 (build1): Likewise.
20874 (type_hash_canon): Don't call obstack_free when GC'ing.
20876 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20878 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20879 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20881 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20882 Bernd Schmidt <bernds@cygnus.co.uk>
20883 Mark Mitchell <mark@codesourcery.com>
20885 * Makefile.in (stor-layout.o): Depend on ggc.h.
20886 (expr.o): Depend on ggc.h.
20887 (profile.o): Depend on ggc.h.
20888 (stor-layout.o): Depend on ggc.h.
20889 * emit-rtl.c (init_emit_once): Add gc roots.
20890 * expr.c: Include ggc.h.
20891 (emit_block_move): Add gc roots.
20892 (clear_storage): Likewise.
20893 * expr.h (init_stor_layout_once): New function.
20894 * profile.c: Include ggc.h.
20895 (init_arc_profiler): profiler_label is a root.
20896 * scan.c (make_sstring_space): Trust xrealloc to function
20897 correctly with first parameter NULL.
20898 * stor-layout.c: Include ggc.h.
20899 (set_sizetype): Add gc root.
20900 (init_stor_layout_once): New function.
20901 * toplev.c (compile_file): Call it.
20903 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20904 Bernd Schmidt <bernds@cygnus.co.uk>
20905 Mark Mitchell <mark@codesourcery.com>
20907 * Makefile.in (tree.o): Depend on ggc.h.
20908 (varasm.o): Likewise.
20909 (function.o): Likewise.
20910 (stmt.o): Likewise.
20911 (except.o): Likewise.
20912 (optabs.o): Likewise.
20913 (emit-rtl.o): Likewise.
20914 * emit-rtl.c: Include ggc.h.
20915 (sequence_element_free_list): Remove, and all references.
20916 (mark_sequence): New functions.
20917 (mark_emit_state): New function.
20918 * except.c: Include ggc.h.
20919 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20920 (mark_tree_label_node): New functions.
20921 (mark_eh_state): New function.
20922 * function.c: Include ggc.h.
20923 (mark_temp_slot, mark_function_chain): New functions.
20924 (mark_function_state): New function.
20925 (init_function_once): New function.
20926 * function.h (init_function_once): New function.
20927 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20928 * ggc.h (label_node): Declare.
20929 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20930 (lang_mark_false_label_stack): New function.
20931 (mark_temp_slot): Remove declaration.
20932 (mark_function_chain): Likewise.
20933 (mark_eh_state): Adjust prototype.
20934 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20936 * optabs.c: Include ggc.h.
20937 (mark_optab): New function.
20938 (init_optabs): Add gc roots.
20939 * stmt.c: Include ggc.h.
20940 (mark_cond_nesting, mark_loop_nesting): New functions.
20941 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20942 (mark_stmt_state): New function.
20943 * toplev.c (compile_file): Call init_function_once.
20944 * tree.c: Include ggc.h.
20945 (type_hash): Move declaration earlier in file.
20946 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20947 (init_obstacks): Add gc roots.
20948 (mark_type_hash): New function.
20949 * varasm.c: Include ggc.h.
20950 (mark_pool_constant): New function.
20951 (mark_varasm_state): New function.
20953 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20955 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20957 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20959 * c-decl.c (struct language_function): Renamed from struct c_function.
20961 (c_function_chain): Delete.
20962 (push_c_function_context): New arg F. Don't warn about nested
20963 functions here. Fill LANGUAGE elt of F. Delete code to update
20964 c_function_chain. Don't call push_function_context.
20965 (pop_c_function_context): New arg F. Restore from there instead of
20966 from c_function_chain. Don't call pop_function_context. Clear out
20967 LANGUAGE field of F when done.
20968 * c-lang.c: Include "function.h"
20969 (lang_init): Initialize save_lang_status and restore_lang_status.
20970 * c-parse.in (nested_function, nested_function_notype): Warn about
20971 nested functions. Call push_function_context/pop_function_context
20972 instead of the _c_ variants.
20973 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20975 * Makefile.in (c-lang.o): Update dependencies.
20977 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20978 regno_pointer_flag, regno_pointer_align.
20979 (gen_reg_rtx): Use xrealloc to enlarge them.
20980 (free_emit_status): New function.
20981 * function.c (mark_machine_status, mark_lang_status): New variables.
20982 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20983 in some bits from assign_stack_local. All callers changed to use new
20985 (assign_stack_local): Just call assign_stack_local_1.
20986 (free_after_compilation): New function.
20987 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20988 (trampoline_address): Likewise.
20989 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20990 (prepare_function_start): Explicitly clear some more variables.
20991 * function.h (struct function): New elt can_garbage_collect.
20992 (mark_machine_status, mark_lang_status): Declare variables.
20993 (free_after_compilation, free_emit_status, free_varasm_status,
20994 init_varasm_status): Declare functions.
20995 * toplev.c (rest_of_compilation): Call free_after_compilation when
20996 done with the current function.
20997 * varasm.c (free_varasm_status): New function.
20999 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21001 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21002 (EXPAND_BUILTIN_VA_ARG): Define.
21003 * sparc.c (sparc_va_start): New.
21004 (sparc_va_arg): New.
21006 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21008 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21010 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21012 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21014 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21016 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21017 (OBJS): Add $(GGC).
21018 (ggc-callbacks.o): New target.
21019 * ggc-callbacks.c: New file.
21021 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21023 * expr.h: Collapse individual optab and libfunc vars to arrays.
21024 (optab_index, libfunc_index): New enumerations.
21025 (optab_table, libfunc_table): New arrays.
21026 Add accessor macros for both.
21028 * optabs.c (optab_table, libfunc_table): New.
21029 Delete declarations for individual optab and libfunc vars.
21031 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21033 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21035 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21037 * Makefile.in (GGC, GGC_LIB): New.
21038 (HOST_RTL): Include ggc-none.o.
21039 (ggc-simple.o): New target.
21040 (ggc-none.o): Likewise.
21041 * tree.h (tree_common): Add gc_mark.
21042 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21043 (struct rtvec_def): Add gc_mark.
21044 * emit-rtl.c (global_rtl): Update static initializers to contain
21045 enough initializers.
21046 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21047 * toplev.c (gc_time): New variable.
21048 (all_time): New variable.
21049 (compile_file): Print gc time.
21050 (print_time): Calculate percentage of the whole.
21052 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21054 Change obstack memory management and varasm constant pool handling so
21055 that nested functions are treated like any other functions.
21056 * function.c (init_machine_status): New variable.
21057 (push_function_context_to): Set contains_functions for the outer
21058 function. Don't call save_varasm_status.
21059 (pop_function_context_from): Don't call restore_varasm_status. Don't
21060 set current_function_contains_functions.
21061 (prepare_function_start): Call init_varasm_status rather than
21062 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21064 * function.h (struct function) Add field varasm. Delete fields
21065 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21066 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21067 (init_machine_status): Declare.
21068 (save_varasm_status, restore_varasm_status): Delete declarations.
21069 (save_tree_status, restore_tree_status): Delete last argument.
21070 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21071 code. All callers changed.
21072 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21073 save_constants_in_decl_trees, restore_constants, save_constants,
21074 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21076 (inlining): New variable.
21077 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21078 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21080 (save_for_inline_nocopy): Don't save constants.
21081 Don't set inl_emit field in current_function.
21082 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21083 function. Set new variable inlining before
21084 calling copy_rtx_and_substitute.
21085 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21086 constant pool references if inlining is nonzero.
21087 Delete ADDRESS and (most of the) CONST cases.
21088 (output_inline_function): Save and restore current_function/
21089 current_function_decl. Delete restore_constants code. Don't call
21090 init_const_rtx_hash_table.
21091 * output.h (init_const_rtx_hash_table): Don't declare.
21092 * rtl.h (struct function): Declare.
21093 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21094 * toplev.c (rest_of_compilation): Don't treat nested functions or
21095 functions containing them specially. Delete all code to deal with
21096 save_for_inline_copying.
21097 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21098 inline_obstacks): Delete variables.
21099 (save_tree_status): Lose arg CONTEXT. All callers changed.
21100 Simply allocate a new function_maybepermanent_obstack for the new
21101 function, delete all the special cases.
21102 Don't save inline_obstacks.
21103 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21104 Delete special handling for function_maybepermanent_obstack; simply
21106 Don't restore inline_obstacks.
21107 (permanent_allocation): Delete code that frees inline_obstacks.
21108 (print_inline_obstack_statistics): Delete function.
21109 (dump_tree_statistics): Don't call it.
21110 * varasm.c (struct varasm_status): New.
21111 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21112 last_pool, pool_offset, const_double_chain): Delete global
21113 variables, replace with accessor macros.
21114 (immed_double_const): Don't walk const_double_chain outside a
21115 function, but don't treat nested functions specially anymore.
21116 (immed_real_const_1): Likewise.
21117 (clear_const_double_mem): Don't treat nested functions specially.
21118 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21119 (save_varasm_status, restore_varasm_status): Delete functions.
21120 (init_varasm_status): New function.
21121 (force_const_mem): Don't treat nested functions specially.
21122 (find_pool_constant): Accept new arg F, search for constants in
21123 that function's pool rather than the current one. All callers
21125 (get_pool_constant_for_function, get_pool_mode_for_function): New
21128 * i386.c (init_386_machine_status): New function, mostly from
21129 clear_386_stack_locals.
21130 (struct machine_functions): Rename element names to avoid name
21132 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21133 macros, replacing global variables.
21134 (clear_386_stack_locals, save_386_machine_status,
21135 restore_386_machine_status): Delete functions.
21136 (override_options): Initialize init_machine_status.
21137 * i386.h (INIT_EXPANDERS): Delete macro.
21138 (save_386_machine_status, restore_386_machine_status,
21139 clear_386_stack_locals): Delete declarations.
21141 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21143 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21144 (doloop_begin): Simplify pattern and use emit_jump_insn.
21145 (doloop_end): Simplify pattern, switch operand order,
21146 and use emit_jump_insn.
21148 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21150 * function.h (struct function): Add new element LANGUAGE.
21151 (save_lang_status): Declare new variable.
21152 (restore_lang_status): Likewise.
21153 * function.c (save_lang_status): Define.
21154 (restore_lang_status): Likewise.
21155 (push_function_context_to): Call language-specific save function.
21156 (pop_function_context_from): Call language-specific restore function.
21158 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21160 * i386.md (movsf_1): Check REG_P before use of REGNO.
21161 (movdf_1): Likewise.
21162 (movxf_1): Likewise.
21163 (extendsfdf2): Likewise.
21164 (extendsfxf2): Likewise.
21165 (extenddfxf2): Likewise.
21167 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21169 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21170 constants into memory.
21171 (c4x_shiftable_constant): New function.
21172 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21173 (c4x_shiftable_constant): Declare.
21174 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21175 ashlqi3_noclobber): Add new patterns and associated splitters.
21177 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21179 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21180 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21181 * final.c (shorten_branches): Likewise.
21182 * global.c (global_alloc): Likewise.
21183 * haifa-sched.c (build_control_flow): Likewise.
21184 * stmt.c (check_for_full_enumeration_handling): Likewise.
21185 (estimate_case_costs): Likewise.
21187 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21189 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21191 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21193 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21194 (recompute_reg_usage): Likewise.
21195 * rtlanal.c (find_regno_fusage): Likewise.
21197 * rtl.c (rtl_check_failed_code1): New function.
21198 (rtl_check_failed_code2): New.
21199 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21200 (RTL_CHECKC1, RTL_CHECKC2): New.
21201 (XC*): New accessor macros.
21202 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21203 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21204 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21205 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21206 (TRAP_*, RANGE_INFO_*): Likewise.
21208 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21210 * Makefile.in (tlink.o): Don't depend on toplev.h.
21212 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21213 output_file, nm_file_name, ldd_file_name, strip_file_name,
21214 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21215 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21216 fork_execute, maybe_unlink, add_to_list,
21217 extract_init_priority, write_list, dump_list,
21218 dump_prefix_list, write_list_with_asm, write_c_file,
21219 write_c_file_stat, write_c_file_glob, scan_prog_file,
21220 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21221 ignore_library, extract_string, notice, dump_file, target_machine,
21222 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21223 read_file, print_load_command): Constify a char*.
21224 (fdopen, error, fatal, fatal_perror): Don't prototype.
21225 (my_strerror): Remove. All callers use xstrerror instead.
21226 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21227 (main): Add prototype. Constify lots of char* ptrs. Change calls
21228 to xcalloc/strcpy/strcat/... to one call to concat.
21229 (main, scan_prog_file, scan_libraries): Use an intermediate
21230 `const char **' to build an argv array.
21231 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21233 * collect2.h (collect_execute, collect_wait, dump_file,
21234 file_exists): Constify a char*.
21235 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21236 temporary_firstobj, vflag, debug): Add extern declarations.
21237 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21239 * tlink.c: Don't include toplev.h.
21240 (vflag, debug, ldout, c_file_name, temporary_obstack,
21241 permanent_obstack, temporary_firstobj): Don't declare.
21242 (tlink_execute, frob_extension, symbol_hash_lookup,
21243 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21244 recompile_files, read_repo_files, demangle_new_symbols,
21245 scan_linker_output): Constify a char*.
21246 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21247 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21249 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21251 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21252 (relative) rather than jsr (absolute) subroutine call insns.
21253 * config/m68k/m68k-coff.h: Ditto.
21255 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21257 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21258 now rework these too.
21259 (arm_reorg): If an insn can't reach the end of the current pool,
21260 ensure that we emit that pool before the insn.
21262 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21264 * tlink.c (scan_linker_output): Skip the initial underscore in
21265 a mangled name if appropriate.
21267 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21269 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21270 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21271 error_with_ivar, gen_declarator, create_builtin_decl,
21272 my_build_string, generate_descriptor_table, generate_ivars_list,
21273 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21274 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21275 dump_base_name, lang_decode_option, build_encode_expr,
21276 start_class, finish_class, encode_pointer, really_start_method,
21277 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21279 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21280 Add static prototypes.
21281 (build_objc_string_decl, build_selector_reference_decl,
21282 encode_bitfield, build_class_reference_decl): Remove unused
21283 parameter, all callers changed.
21284 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21285 (objc_printable_name): Likewise. Change second parameter to type int.
21286 (init_objc): Use memcpy, not bcopy, to avoid casts.
21288 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21290 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21291 reg notes on a deleted insn.
21292 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21294 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21296 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21298 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21300 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21303 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21305 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21306 * tm.texi (MD_ASM_CLOBBERS): Document it.
21308 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21310 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21311 * except.c (expand_rethrow): Remove unused variable.
21312 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21313 * flow.c (replace_insns): Likewise.
21314 (create_edge_list, verify_edge_list): Likewise.
21315 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21317 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21318 is special code to run.
21319 (main): Don't define operands to emit_operand.
21320 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21322 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21324 * alpha/alpha.h (normal_memory_operand): Declare.
21325 (reg_no_subreg_operand): Declare.
21326 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21328 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21330 * c-parse.in (compstmt_primary_start): New, broken out of first
21331 part of compstmt handling in primary.
21332 (primary): Use it. Add an error clause.
21333 (compstmt_nostart): Renamed from compstmt; remove all
21334 initial invocations of compstmt_start.
21337 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21339 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21342 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21344 * combine.c (simplify_shift_const): Remove extra semicolon.
21345 * dwarf2out.c (remove_AT): Likewise.
21346 * expmed.c (expand_mult): Likewise.
21347 * gcov.c (create_program_flow_graph): Likewise.
21348 * reorg.c (mostly_true_jump): Likewise.
21350 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21352 * fold-const.c (fold_range_test): Do not try to fold the range
21353 test if the rhs or lhs has side effects.
21355 * combine.c (simplify_rtx): Recognize another case of a synthesized
21358 * varasm.c (mark_constant_pool): When marking indirect references,
21359 only look at SYMBOL_REFs.
21361 * except.c (expand_fixup_region_end): Do not peek at
21362 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21364 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21366 * flags.h: New variables align_loops, align_loops_log,
21367 align_jumps, align_jumps_log, align_labels, align_labels_log,
21368 align_functions, align_functions_log.
21369 * toplev.c: Define them.
21370 (f_options): Handle -falign-* when they have no argument.
21371 (main): Add logic to set variables for -falign-functions,
21372 -falign-jumps, -falign-labels, -falign-loops.
21373 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21374 (display_help): Change help to match options.
21375 * final.c (LABEL_ALIGN): Default to align_labels_log.
21376 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21377 (LOOP_ALIGN): Default to align_loops_log.
21378 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21379 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21380 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21381 * varasm.c (assemble_start_function): Handle align_functions.
21383 * config/sparc/sparc.h: Don't declare sparc_align_*.
21384 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21385 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21387 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21389 * config/sparc/sparc.c: Delete sparc_align_loops,
21390 sparc_align_jumps, sparc_align_funcs and the corresponding string
21392 (sparc_override_options): Default align_functions on ultrasparc.
21393 Delete -malign-* handling.
21395 * config/mips/mips.c (override_options): On 64-bit targets,
21396 try to align code to 64-bit boundaries.
21397 (print_operand): New substitution, %~,
21398 which aligns labels to align_labels_log.
21399 * config/mips/mips.md (div_trap_normal): Use %~.
21400 (div_trap_mips16): Likewise.
21402 (absdi2): Likewise.
21403 (ffssi2): Likewise.
21404 (ffsdi2): Likewise.
21405 (ashldi3_internal): Likewise.
21406 (ashrdi3_internal): Likewise.
21407 (lshrdi3_internal): Likewise.
21408 (casesi_internal): Likewise.
21410 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21412 Merge new ia32 backend from the branch!
21414 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21415 See ChangeLog.P2 on new_ia32_branch for details.
21417 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21418 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21419 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21420 * i386/gas.h (ASM_FILE_START): Define.
21421 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21422 for name change of ix86_valid_decl_attribute_p.
21423 (i386_pe_valid_type_attribute_p): Similarly.
21425 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21427 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21428 to step through CC modes.
21430 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21432 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21433 it would end up in the shadow of a live flags regsiter.
21435 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21437 * reload1.c: Fix many indentation problems.
21438 * reload.c: Likewise.
21440 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21442 * alias.c (non_local_reference_p): Constify fmt.
21444 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21446 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21448 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21450 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21451 the internal_arg_pointer.
21453 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21455 Merge peephole2 from new_ia32_branch:
21456 * Makefile.in (STAGESTUFF): Add *.peephole2.
21457 (mostlyclean): Likewise.
21458 (recog.o): Depend on resource.h.
21460 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21461 (final_scan_insn): Likewise for the invocation of peephole.
21462 * genconfig.c (main): Look for peephole and peephole2 patterns.
21463 Emit HAVE_peephole* accordingly.
21464 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21465 * flags.h (flag_peephole2): Declare.
21466 * toplev.c: New pass peephole2. New flag -fpeephole2.
21468 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21469 * gencodes.c (main): Likewise.
21470 * genextract.c (main): Likewise.
21471 * genoutput.c (main): Likewise.
21472 * genemit.c (max_operand_1): Look for the max scratch operand.
21473 (gen_rtx_scratch): New.
21474 (gen_exp): Use it, and pass on new arg subroutine_type.
21475 (gen_expand): Take max scratch into account.
21476 (gen_split): Emit peephole2 functions.
21477 (output_peephole2_scratch): New.
21478 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21479 * genrecog.c (routine_type): Add PEEPHOLE2.
21481 (make_insn_sequence): Match outer parallel for peep2. Discard
21482 top level scratches and dups.
21483 (add_to_sequence): New args insn_type and top. Update all callers.
21484 Handle toplevel peep2 matching insns.
21485 (write_subroutine): Handle peep2.
21486 (write_tree_1): Likewise.
21487 (write_tree): Likewise.
21489 (change_state): New arg afterward. Update all callers.
21490 Handle matching separate insns.
21491 * recog.c (recog_next_insn): New.
21492 (peephole2_optimize): New.
21493 * rtl.def (DEFINE_PEEPHOLE2): New.
21494 * resource.c (find_free_register): New argument last_insn. Use it
21495 to find a register available through the entire span.
21496 * resource.h (find_free_register): Update prototype.
21498 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21500 * i386.c (output_strlen_unroll): Don't write xops[7]
21501 label if it wasn't set.
21503 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21505 * cpplib.c (struct directive): Const-ify name pointer and
21506 function pointer prototype.
21507 (validate_else, do_define, do_line, do_include, do_undef,
21508 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21509 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21510 do_warning): Const-ify second arg.
21511 (directive_table): Mark const. Reorder entries by frequency
21512 of usage, record statistics.
21514 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21516 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21517 bounds- check RTL accesses if --enable-checking.
21518 (RTVEC_ELT): Bounds check if --enable-checking.
21519 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21520 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21521 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21523 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21524 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21526 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21527 (NOTE_SOURCE_FILE): Use X0STR.
21528 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21529 MEM_ALIAS_SET): Use X0INT.
21530 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21531 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21533 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21534 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21535 (rtl_check_failed_bounds, rtl_check_failed_type1,
21536 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21538 (fancy_abort): Fix comment.
21540 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21541 (cse_insn): Decrement LABEL_NUSES for jump target before
21542 deleting jump insn.
21543 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21544 * final.c (alter_subreg): Compute regno before changing x to
21545 REG; set REGNO(x) after changing it.
21546 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21547 notes containing CONST_INTs.
21548 (delete_eh_regions): Use NOTE_EH_HANDLER.
21549 * function.c (put_reg_into_stack): Make reg a MEM before
21551 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21553 (gen_mem_addressof): Make reg a MEM before initializing it.
21554 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21556 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21557 deleting an insn, not after.
21558 (block_alloc): Only look at PATTERN(insn) if we have to, and
21559 only if it's format class 'i'.
21560 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21561 CONST_INT before using its INTVAL.
21562 * print-rtl.c (print_rtx): Use X0STR.
21563 * regmove.c (fixup_match_1): Don't look at PATTERN of
21564 non-class-'i' insn chain elements.
21565 * reload.c (loc_mentioned_in_p): Take address of
21566 in->fld[1].rtx directly.
21567 * reload1.c (reload): Change reg to a MEM before initializing
21569 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21571 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21573 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21575 * config/mips/mips.c (machine_dependent_reorg): Force a
21576 barrier to output the local constant pool if a barrier hasn't
21577 been found at a natural point in the instruction stream.
21579 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21581 * c-parse.in (language_string): Constify.
21583 * dwarf2out.c (language_string): Remove declaration.
21585 * dwarfout.c (language_string): Likewise.
21587 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21589 * tree.h (language_string, init_parse, finish_parse): Declare.
21591 * i386/sun386.h (language_string): Remove declaration.
21593 * mips.h (language_string): Likewise.
21595 * nextstep.h (language_string): Likewise.
21597 * nextstep21.h (language_string): Likewise.
21599 * rs6000.c (language_string): Likewise.
21601 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21603 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21604 (getpwd.o): Remove target.
21606 * getpwd.c: Delete file. Its in libiberty now.
21608 * dbxout.c (getpwd): Don't prototype.
21609 * dwarf2out.c (getpwd): Likewise
21610 * dwarfout.c (getpwd): Likewise
21611 * final.c (getpwd): Likewise.
21612 * protoize.c (getpwd): Likewise.
21614 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21616 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21618 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21620 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21621 mark_set_resources.
21623 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21625 * fixinc/Makefile.in (subdir): New.
21626 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21629 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21631 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21632 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21635 * invoke.texi: Fix typo.
21637 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21638 changed. Handle autoincrement addressing modes.
21640 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21641 just like we would the virtual incoming args register when
21644 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21646 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21647 path, in .file directive.
21649 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21651 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21654 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21656 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21659 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21661 * tree.c (tree_code_name): Constify a char*.
21663 * tree.h (tree_code_name, decl_printable_name): Likewise.
21665 * function.h (struct function): Likewise.
21667 * toplev.c (decl_name, decl_printable_name): Likewise.
21669 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21671 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21672 (init_objc): Remove function pointer cast.
21674 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21676 * pa.md (interspace_jump): New pattern.
21677 (builtin_longjmp): New expander.
21679 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21681 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21682 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21683 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21685 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21687 * jump.c (delete_prior_computation): Also check calls
21688 to constant functions. Don't bother checking for a
21689 REG_UNUSED note before adding it.
21690 (delete_computation): Handle multi-word hard registers
21691 when synthesizing missing REG_DEAD notes for a register
21692 which is both set and used by an insn.
21694 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21696 * loop.c (this_loop_info): New variable.
21697 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21698 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21700 (prescan_loop, strength_reduce): New argument loop_info. All callers
21702 (scan_loop): New variable loop_info, initialise to address of
21704 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21705 Delete variable loop_has_multiple_exit targets and replace with
21706 field in this_loop_info.
21707 (find_and_verify_loops): Rename this_loop to this_loop_num.
21708 (strength_reduce): Delete loop_iteration_info. Replace variable
21709 loop_info with function argument of same name.
21710 (insert_bct): Rework test for loop being completely unrolled.
21712 * loop.h (struct loop_info): New fields num, loops_enclosed,
21713 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21714 has_indirect_jump, and cont. Redefine use of unroll_number.
21715 (loop_unroll_number): Delete.
21717 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21718 field of loop_info.
21719 (loop_iterations): Delete variable vtop and instead use
21720 loop_info->vtop computed in prescan_loop.
21722 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21724 * fix-header.c (main): Do not pass a null pointer to strcmp.
21726 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21728 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21730 * configure: Rebuilt.
21732 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21734 * jump.c (jump_optimize_1): Do not delete assignments to
21735 internal_arg_pointer.
21736 * cse.c (delete_trivially_dead_insns): Always consider a set of
21737 the internal_arg_pointer live.
21739 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21741 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21742 (update_life_info) [REG_WAS_0]: Search the original insns rather
21743 than the new insns for the note. Fix typos finding note_dest.
21744 If no dest found, discard the note rather than abort.
21745 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21746 (replace_insns): Remove the old insn list after update_life_info
21749 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21751 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21752 sched_analyze_insn.
21753 (sched_analyze_1): Let add_dependence care for not adding dups.
21754 (sched_analyze_2): Likewise.
21755 (add_branch_dependences): Likewise.
21757 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21759 * i386/winnt.c (export_list): New type.
21760 (exports_head): Rename to
21761 (export_head): this.
21762 (i386_pe_record_exported_symbol): Add is_data flag.
21763 (i386_pe_asm_file_end): Emit directive for exported variables.
21764 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21766 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21767 (ASM_DECLARE_OBJECT_NAME): Likewise.
21768 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21769 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21771 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21773 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21775 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21778 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21780 * config/openbsd.h: Define SET_ASM_OP.
21781 * tm.texi: cross-reference SET_ASM_OP in the index.
21783 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21785 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21786 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21787 and class_narrowest_mode at compile time. Kill init_rtl.
21788 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21789 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21790 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21792 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21794 * rtl.h: Declare rtx_length and rtx_format as const.
21795 * machmode.def: Define CC(). Use CC() to define CCmode. If
21796 EXTRA_CC_MODES is defined, expand it here.
21797 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21798 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21799 const. Kill all references to EXTRA_CC_MODES.
21801 * toplev.c: Don't prototype or call init_rtl.
21802 * optabs.c: Don't call init_mov_optab.
21803 * genemit.c: Don't generate init_mov_optab. Don't call
21805 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21807 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21808 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21809 genrecog.c: Don't call init_rtl.
21811 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21812 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21813 definition of EXTRA_CC_MODES.
21815 * md.texi: Kill ref to EXTRA_CC_NAMES.
21816 * tm.texi: Document new way to define EXTRA_CC_MODES.
21818 * genrecog.c: Do not look up the name of a define_split.
21819 (Unrelated bugfix.)
21821 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21823 * config/v850/v850.md: Fix typo introduced by previous delta.
21825 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21827 * gcc.c (fatal): Make definition static to match prototype.
21829 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21831 * combine.c (get_last_value): Don't look for earlier sets if the last
21832 known set is somewhere in between the insns being combined.
21834 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21836 * configure.in: Don't use shell ! to negate exit codes
21837 * configure: Regenerate
21839 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21841 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21842 the fact that ALIGN is measured in bits, not bytes.
21844 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21846 * errors.c: New file; defines functions error, warning, and
21847 fatal, variables have_error and progname.
21848 * errors.h: New file; prototypes and decls for stuff in errors.c.
21850 * Makefile: Add rules to build errors.o and
21851 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21852 genopinit, genrecog, genextract, genpeep, genattr, and
21853 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21854 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21855 genpeep.o, genattr.o, and genoutput.o.
21857 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21858 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21859 define or prototype fatal. Set progname at beginning of main.
21860 * genoutput.c: Likewise, and don't define or prototype error
21863 * c-typeck.c (c_expand_start_case): Return immediately if exp
21865 * fold-const.c (operand_equal_p): Return immediately if arg1
21866 or arg0 are ERROR_MARKs.
21867 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21868 fields of type ERROR_MARK when calculating if the record can
21871 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21872 with much help from Jeffrey A Law and Richard Henderson
21874 * i386.md: In the 6 insns which call output_fix_trunc,
21875 earlyclobber operands[0].
21877 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21879 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21880 creating new registers.
21882 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21884 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21885 i386_reg_alloc_order, i386_regparm_string,
21886 i386_align_loops_string, i386_align_jumps_string,
21887 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21888 and i386_branch_cost_string as type "const char *".
21889 * i386.c: Define all above strings as type "const char *".
21891 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21893 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21894 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21896 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21898 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21899 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21901 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21903 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21904 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21905 (dwarf2out_line, dwarf2out_finish): Likewise.
21906 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21908 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21910 * tree.c (lang_unsave_expr_now) : Correct return type.
21911 * tree.h (lang_unsave_expr_now) : Same.
21913 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21915 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21916 instead of duplicating code.
21918 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21920 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21922 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21924 * tree.h: fancy_abort always takes three args.
21925 * resource.c: Move include of system.h before toplev.h.
21927 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21929 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21932 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21934 * system.h: Don't redefine abort or trim_filename.
21935 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21936 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21937 whether or not __FUNCTION__ is available.
21938 * tree.h: Duplicate rtl.h's definition of abort, for files
21939 that don't include rtl.h. Delete all code to perform type
21940 checking with a compiler other than GCC.
21941 * varray.h: Delete all code to perform type checking with a
21942 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21943 its arguments exactly once, using a statement expression.
21944 Adjust the VARRAY_<type> accessor macros to match.
21945 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21946 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21947 caller's location. Define fatal_insn and fatal_insn_not_found
21948 as macros that use _fatal_insn and _fatal_insn_not_found.
21949 (fancy_abort, trim_filename): Kill prototypes.
21951 * rtl.c (trim_filename): Move here from toplev.c.
21952 (fancy_abort): New function.
21953 (DIR_SEPARATOR): Provide default definition.
21954 * tree.c (tree_check_failed, tree_class_check_failed): Go
21955 through fancy_abort.
21956 (tree_check, tree_class_check, cst_or_constructor_check,
21957 expr_check): Delete.
21958 * varray.c (varray_check_failed): New function.
21959 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21960 _fatal_insn and _fatal_insn_not_found. Go through
21962 (trim_filename, fancy_abort): Delete.
21964 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21965 * except.c (start_catch_handler): Report ICE with error/abort
21967 * final.c (output_operand_lossage): Likewise.
21968 * flow.c (verify_flow_info): Likewise.
21970 * gcc.c: Prototype fatal.
21971 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21972 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21973 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21974 Don't define fancy_abort.
21976 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21978 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21981 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21983 * m88k.h (VERSION_INFO2): Kill.
21984 (VERSION_STRING): Kill.
21986 (VERSION_INFO1): Tidy.
21987 (TARGET_VERSION): Update.
21988 * m88k/dgux.h (VERSION_INFO2): Kill.
21989 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21990 * m88k/luna.h (VERSION_INFO1): Tidy.
21991 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21992 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21993 (output_file_start): Adjust for death of VERSION_STRING.
21995 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21997 * cpplib.c (detect_if_not_defined): New function.
21998 (do_if): Use it to detect potential once-only headers.
22000 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22002 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22004 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22006 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22007 anywere in the function only if they are pseudos and set before
22008 being used (not live at the start of the function).
22009 (num_sign_bit_copies) : Same.
22010 (get_last_value_validate) : Same.
22011 (get_last_value) : Same.
22013 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22015 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22016 where N and M are constant and N is an integer multiple of M.
22018 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22020 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22021 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22022 sbitmap_union_of_preds): Add prototypes.
22023 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22024 the intersection of successors with the new flow graph structures.
22025 (sbitmap_intersection_of_preds): New function to compute the
22026 intersection of predecessors with the new flow graph structures.
22027 (sbitmap_union_of_succs): New function to compute the union of
22028 successors with the new flow graph structures.
22029 (sbitmap_union_of_preds): New function to compute the union of
22030 predecessors with the new flow graph structures.
22031 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22032 (expr_reaches_here_p): Use edge and basic_block structures instead
22033 of s_preds and s_succs.
22034 (compute_cprop_avinout): Use new sbitmap routines.
22035 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22036 of s_preds and s_succs.
22037 * flow.c (compute_flow_dominators): Compute dominators using
22038 edges and basic blocks instead of s_preds and s_succs.
22040 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22042 * lists.c (unused_insn_list, unused_expr_list): New file for
22043 maintaining various types of lists. New statics for maintaining a
22044 cache of available INSN_LIST and EXPR_LIST nodes.
22045 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22046 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22047 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22048 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22049 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22050 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22051 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22052 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22053 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22054 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22055 (remove_dependence, free_pending_lists): Use new global routines.
22056 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22057 (sched_analyze, compute_block_backward_dependences): Use new routines.
22058 (sched_analyze_1, sched_analyze_2): Use new routines.
22059 (schedule_insns): Use new global routines.
22060 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22062 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22063 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22065 * toplev.c (rest_of_compilation): Initialize node cache.
22066 * Makefile.in (OBJS): Add lists.o to list of object files.
22067 (lists.o): Add dependancies.
22069 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22071 * config/v850/v850.md: Fix compile time warning messages.
22072 * config/v850/v850.c: Fix compile time warning messages.
22073 * config/v850/v850.h: Fix compile time warning messages.
22075 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22077 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22078 Remove unused prototype for `init_lengths'.
22080 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22082 * calls.c (emit_call_1): Mark parameter `stack_size' with
22084 (expand_call): Initialize variable `insn'.
22085 (emit_library_call): Likewise for variable `high_to_save'.
22086 (emit_library_call_value): Likewise.
22087 (store_one_arg): Likewise for variables `lower_bound' and
22090 * combine.c (try_combine): Likewise for variables `i2_code_number'
22091 and `other_code_number'.
22092 (find_split_point): Likewise for variables `pos', `unsignedp' and
22094 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22095 (simplify_and_const_int): Remove unused variable `width'.
22096 (merge_outer_ops): Likewise.
22098 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22099 HOST_WIDE_INT' when comparing against one.
22100 (simplify_relational_operation): Likewise.
22101 (cse_insn): Initialize variables `src_eqv_volatile',
22102 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22104 * final.c (init_final): Constify parameter `filename'.
22105 (final_start_function): Mark parameter `optimize' with
22107 (profile_function): Likewise for parameters `first' and `optimize'.
22108 (output_source_line): Likewise for parameter `file'.
22110 * integrate.c (subst_constants): Cast a value to `size_t' when
22111 comparing against one.
22112 (mark_stores): Initialize variable `mode'. Cast a value to
22113 `size_t' when comparing against one.
22115 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22117 * loop.c (move_movables): Initialize variable `first'.
22118 (strength_reduce): Likewise for variable `increment'.
22119 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22120 value to `size_t' when comparing against one.
22121 (load_mems): Initialize variable `end_label'.
22123 * output.h (init_final): Constify parameter.
22125 * reload.c (decompose): Initialize variable `base'.
22127 * reload1.c (reload): Likewise for variable `is_scalar'.
22128 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22129 (choose_reload_regs): Initialize variable `mode'.
22130 (emit_reload_insns): Likewise for variable `store_insn'.
22131 (reload_cse_noop_set_p): Mark parameter `insn' with
22133 (reload_combine): Initialize variable `set'.
22135 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22136 (copy_loop_body): Cast a value to `size_t' when comparing against
22139 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22140 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22141 (remove_from_pending_weak_list): Mark parameter `name' with
22144 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22146 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22149 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22151 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22152 (ASM_DECLARE_FUNCTION_NAME): Define.
22153 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22154 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22155 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22156 not already defined.
22158 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22160 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22161 of n_popped when call/call_value are not defined.
22163 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22165 * tm.texi: GNU CC -> GCC conversion.
22166 (CC1_SPEC): Indicate it is used for all language front ends.
22168 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22170 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22171 NOTE_INSN_EH_REGION_END correctly.
22173 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22174 Jeff Law <law@cygnus.com>
22176 * loop.c (strength_reduce): Automatically unroll loops if the
22177 unrolled loop size is smaller than the rolled loop size.
22179 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22180 and delete comment that code should be rewritten.
22182 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22184 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22187 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22189 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22191 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22192 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22193 (LINK_SPEC): Add -u _main when building executables.
22194 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22195 (ASM_FILE_END): Use the default for ix86-pe.
22196 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22198 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22200 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22201 and ASM_CLOSE_PAREN are empty strings.
22203 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22204 Geoffrey Keating <geoffk@cygnus.com>
22206 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22207 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22208 (unprotoize.o): Ditto.
22209 (test-protoize-simple): Don't define STD_PROTO_DIR.
22210 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22211 changes to make 'test-protoize-simple' pass.
22212 (STD_PROTO_DIR): Remove define.
22213 (STANDARD_EXEC_PREFIX): Supply default define.
22214 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22215 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22216 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22217 (GET_ENV_PATH_LIST): New macro.
22218 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22219 (do_processing): Initialize default_syscalls_dir using new
22220 macros. Use it to initialize syscalls_absolute_filename.
22222 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22224 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22225 B into a register before emit_conditional_move.
22227 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22229 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22230 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22231 multiplicand out of (+ (* a b) (* c d)).
22233 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22234 Richard Henderson <rth@cygnus.com>
22236 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22237 (new_insn_dead_notes): Likewise.
22238 (update_n_sets): Likewise.
22239 (update_flow_info): Move to flow.c, renamed to update_life_info;
22240 extend to handle multiple source insns.
22241 * flow.c: Include resource.h
22242 (unlink_insn_chain): New.
22243 (split_hard_reg_notes): New.
22244 (maybe_add_dead_note): New.
22245 (maybe_add_dead_note_use): New.
22246 (find_insn_with_note): New.
22247 (new_insn_dead_notes): New.
22248 (update_n_sets): New.
22249 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22250 (maybe_remove_dead_notes): New.
22251 (update_life_info): New.
22252 (prepend_reg_notes): New.
22253 (replace_insns): New.
22254 * output.h (update_life_info): Declare.
22255 * recog.c (split_block_insns): Use update_life_info.
22256 * resource.c (find_free_register): Use reg_alloc_order, don't use
22257 fixed regs, make sure the mode is supported, don't use new regs.
22259 * rtl.h (replace_insns): Declare.
22261 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22263 * expr.c (expand_expr): Cope with COND_EXPRs with one
22264 non-returning branch.
22266 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22268 * expr.c (store_expr): Always pass down the target, even when not
22271 1999-08-24 Nick Clifton <nickc@cygnus.com>
22273 * configure.in: Define target_cpu_default for v850 targets.
22274 * configure: Regenerate
22276 * config/v850/v850.h (TARGET_CPU_generic): Define.
22277 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22278 addresses are 4 byte aligned.
22280 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22283 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22285 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22286 (main): Add prototypes.
22288 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22289 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22290 (write_attr_get): Emit prototypes along with function definition.
22291 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22292 (write_complex_function): Emit static prototype along with
22293 function definition.
22295 * genemit.c (gen_split): Emit prototypes along with function
22298 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22299 Likewise for predicates and `insn_operand_predicate'.
22300 (process_template): Emit static prototype along with function
22303 * genrecog.c (make_insn_sequence): Constify a char*. Add
22304 prototypes for get_split_*().
22305 (write_subroutine): Emit prototypes along with function
22308 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22310 * gcse.c (find_avail_set): Follow chains of register-register copies.
22311 Use oprs_not_set_p to guarantee that the returned value can be
22313 (cprop_insn): Don't verify the return value of find_avail_set with
22316 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22317 (cprop_cc0_jump): New function.
22318 (cprop_insn): Break out new function cprop_jump and use it.
22319 Also use cprop_cc0_jump for machines with CC0.
22320 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22322 * tree.h (current_function_calls_setjmp,
22323 current_function_calls_longjmp): Delete declarations.
22324 * dsp16xx.c: Include "function.h".
22325 * elxsi.c: Likewise.
22326 * gmicro.c: Likewise.
22327 * h8300.c: Likewise.
22328 * i370.c: Likewise.
22329 * m32r.c: Likewise.
22330 * mn10200.c: Likewise.
22331 * mn10300.c: Likewise.
22332 * ns32k.c: Likewise.
22333 * spur.c: Likewise.
22334 * v850.c: Likewise.
22336 * rtl.h (rtx_equal_function_value_matters): Declare.
22337 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22339 * function.c: Likewise.
22340 * emit-rtl.c: Likewise.
22342 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22344 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22347 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22349 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22352 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22354 * cpp.texi: Add a node documenting macro varargs (copied
22357 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22359 * cppspec.c: Put a null pointer at the end of the new argv.
22361 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22363 * configure.in: Remove code to select/de-select the haifa
22364 scheduler. Every scheduled port gets haifa now.
22365 * configure: Rebuilt.
22366 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22368 * Makefile.in: Corresponding changes.
22370 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22372 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22373 All callers changed.
22374 (prepare_float_lib_cmp): Likewise.
22375 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22376 * expr.h (emit_float_lib_cmp): Delete declaration.
22377 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22378 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22379 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22381 (cmptf): Now conditional on TARGET_HARD_QUAD.
22383 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22385 * resource.c (mark_target_live_regs): Use
22386 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22388 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22390 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22392 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22394 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22396 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22398 * rtl.h (rtx_format): Constify a char*.
22400 * rtl.c (rtx_format): Likewise.
22401 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22402 (init_rtl): Use accessor macro, not `rtx_format'.
22404 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22407 * caller-save.c (mark_referenced_regs): Likewise.
22409 * combine.c (subst, make_compound_operation, known_cond,
22410 gen_rtx_combine, update_table_tick, get_last_value_validate,
22411 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22413 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22414 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22415 count_reg_usage): Likewise.
22417 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22420 * final.c (leaf_renumber_regs_insn): Likewise.
22422 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22423 dump_edge_info, count_reg_references): Likewise.
22425 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22426 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22429 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22430 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22431 add_label_notes): Likewise.
22433 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22434 clear_struct_flag, count_sub_rtxs, count_alternatives,
22435 compares_alternatives_p, contained_in_p, walk_attr_value,
22436 write_expr_attr_cache): Likewise.
22438 * genconfig.c (walk_insn_part): Likewise.
22440 * genemit.c (max_operand_1, gen_exp): Likewise.
22442 * genextract.c (walk_rtx): Likewise.
22444 * genflags.c (num_operands): Likewise.
22446 * genoutput.c (scan_operands): Likewise.
22448 * genpeep.c (match_rtx): Likewise.
22450 * genrecog.c (add_to_sequence): Likewise.
22452 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22455 * integrate.c (save_constants, copy_for_inline,
22456 copy_rtx_and_substitute, subst_constants, restore_constants):
22459 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22460 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22462 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22465 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22466 add_label_notes, replace_call_address, count_nonfixed_reads,
22467 invariant_p, find_single_use_in_loop, find_mem_givs,
22468 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22471 * print-rtl.c (reg_names, print_rtx): Likewise.
22473 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22475 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22476 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22477 print_blocks): Likewise.
22479 * regclass.c (fix_register, record_address_regs,
22480 reg_scan_mark_refs): Likewise.
22482 * regmove.c (stable_but_for_p): Likewise.
22484 * reload.c (loc_mentioned_in_p, operands_match_p,
22485 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22486 copy_replacements, refers_to_regno_for_reload_p,
22487 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22488 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22491 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22492 delete_address_reloads_1, count_occurrences,
22493 reload_cse_mem_conflict_p, reload_combine_note_use,
22494 add_auto_inc_notes): Likewise.
22496 * resource.c (mark_referenced_resources, mark_set_resources):
22499 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22500 reg_mentioned_p, regs_set_between_p, modified_between_p,
22501 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22502 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22503 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22504 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22506 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22508 * stupid.c (stupid_mark_refs): Likewise.
22510 * unroll.c (remap_split_bivs): Likewise.
22512 * varasm.c (mark_constants): Likewise.
22514 * a29k/a29k.c (uses_local_reg_p): Likewise.
22516 * alpha/alpha.c (summarize_insn): Likewise.
22518 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22519 eliminate_lr2ip): Likewise.
22521 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22523 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22524 reg_mentioned_in_mem): Likewise.
22526 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22527 symbolic_reference_mentioned_p): Likewise.
22529 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22531 * sh/sh.c (regs_used, mark_use): Likewise.
22533 * vax/vax.c (vax_rtx_cost): Likewise.
22535 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22537 * machmode.h (mode_name): Constify a char*.
22539 * rtl.c (mode_name): Likewise.
22541 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22543 * optabs.c (init_libfuncs): Constify a char*.
22545 * print-tree.c (mode_name): Remove redundant declaration.
22546 (print_node): Use accessor macro, not `mode_name'.
22548 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22550 (new_spill_reg): Constify a char*.
22552 * tree.c (mode_name): Remove redundant declaration.
22554 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22556 * rtl.c (rtx_name): Constify a char*.
22558 * rtl.h (rtx_name, fix_sched_param): Likewise.
22560 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22561 (mypr): Use accessor macro, not `rtx_name'.
22563 * genemit.c (print_code): Constify a char*.
22565 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22567 * genpeep.c (print_code): Constify a char*.
22569 * genrecog.c (print_code): Likewise.
22571 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22572 end_bb): Add static prototype.
22573 (draw_edge): Constify a char*.
22574 (end_bb): Remove unused parameter.
22576 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22577 print_block_visualization): Constify a char*.
22579 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22581 * c-common.c (c_get_alias_set): Update comment.
22583 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22585 * linux.h (LIB_SPEC): Added.
22587 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22589 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22591 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22593 * tree.c (expr_check): Fix typo in last change.
22595 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22597 * rtl.def (NOTE): Change format to "iuu0n".
22598 (ADDR_DIFF_VEC): Change format to "eEee0".
22599 (ADDRESSOF): Change format to "eit".
22601 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22602 (RTVEC_ELT): Change to match.
22603 (XVECEXP): Use XVEC and RTVEC_ELT.
22604 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22605 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22606 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22607 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22608 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22609 (INTVAL): Use XWINT.
22610 (ADDRESSOF_DECL): Use XTREE.
22611 (SET_ADDRESSOF_DECL): Delete.
22612 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22613 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22614 ifdefed out since 2.6 at least.
22615 (gen_rtvec_vv): Delete prototype.
22617 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22619 (copy_most_rtx): Handle 't' format letter.
22620 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22621 (gen_rtvec_vv): Delete function. All callers changed to use
22622 gen_rtvec_v instead.
22623 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22624 the '0' format letter.
22626 * function.c (gen_mem_addressof): Don't use
22627 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22629 * integrate.c (copy_rtx_and_substitute): Likewise.
22630 Copy 't' slots with XTREE.
22631 (subst_constants): Treat 't' slots like '[swi]' slots.
22632 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22633 * jump.c (rtx_equal_for_thread_p): Likewise.
22634 * rtlanal.c (rtx_equal_p): Likewise.
22635 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22636 only four arguments.
22637 * gengenrtl.c (type_from_format): Provide correct types for
22641 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22642 If a recent gcc is in use (always in stage2 and beyond), use
22643 statement expressions, so we don't make a function call unless
22644 the check fails. Evaluate arguments exactly once.
22645 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22646 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22648 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22649 they evaluate their arguments exactly once, irrespective of
22650 the compiler in use.
22652 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22653 is used by the currently-enabled check macros. This is:
22654 (tree_check_failed, tree_class_check_failed): For gcc.
22655 (tree_check, tree_class_check, cst_or_constructor_check,
22656 expr_check): For other compilers.
22658 * gencheck.c: Do not define any *_CHECK1 macros.
22660 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22661 Mark Mitchell <mark@codesourcery.com>
22663 * c-common.c (c_get_alias_set): Fix support for poitners and
22666 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22668 * alias.c: Include tree.h.
22669 (nonlocal_reference_p, mark_constant_function): New functions.
22670 * flow.c (life_analysis): Call mark_constant_function.
22671 * rtl.h (mark_constant_function): Declare it.
22673 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22675 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22676 unrecognisable switches.
22678 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22680 * loop.c (recombine_givs): Set ix field after sorting.
22681 (recombine_givs): Remove bogus index / giv lockstep looping.
22683 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22685 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22687 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22688 (do_cmp_and_jump): Formatting fixes.
22689 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22690 do_compare_rtx_and_jump instead of compare_from_rtx.
22691 (do_compare_rtx_and_jump): New function; mostly copied from
22693 (do_jump_for_compare): Delete.
22694 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22696 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22697 of compare/do_jump_for_compare pairs.
22698 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22699 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22700 compare_from_rtx/do_jump_for_compare pairs.
22701 (do_jump_by_parts_equality): Likewise.
22702 (do_jump_by_parts_equality_rtx): Likewise.
22703 * expr.h (do_compare_rtx_and_jump): Declare.
22704 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22705 that used to be in emit_cmp_insn.
22706 (cmp_available_p): New function.
22707 (prepare_operand): New function.
22708 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22709 to be in emit_cmp_insn.
22710 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22711 parameters to be pointers; don't emit final compare but modify some of
22712 the values pointed to by the args so the caller can perform the
22713 correct comparison.
22714 (expand_binop): Call emit_store_flag_force with signed forms of
22716 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22717 emit_jump_insn pair.
22718 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22719 emit_cmp_and_jump_insn_1. Call emit_queue.
22720 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22722 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22723 jump sets cc0 before deleting it.
22724 * integrate.c (expand_inline_function): Likewise.
22725 * unroll.c (unroll_loop): Similar changes in several places.
22726 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22727 before deleting it.
22729 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22731 * Makefile.in (insn-recog.o): Update dependencies.
22732 * genrecog.c (main): Make generated file include "function.h".
22734 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22736 * cse.c (cse_insn): Call never_reached_warning when a jump is
22737 changed to be unconditional.
22738 * flags.h: Declare warn_notreached.
22739 * flow.c (delete_block): Call never_reached_warning when
22740 a block is deleted.
22741 * jump.c (delete_barrier_successors): Call never_reached_warning
22742 when we delete everything after a BARRIER.
22743 (never_reached_warning): New function.
22744 * rtl.h: Declare never_reached_warning.
22745 * toplev.c (warn_notreached): New variable.
22746 (lang_independent_options): Set warn_notreached
22747 when -Wunreachable-code.
22748 (compile_file): We need line numbers for -Wunreachable-code.
22750 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22752 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22753 * sched.c (insn_unit): Likewise.
22755 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22757 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22759 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22761 * flow.c (create_edge_list): Use xmalloc, not malloc.
22763 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22765 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22766 C-style comments. Do not lose the character before double slash.
22768 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22770 * basic-block.h (struct edge_list): Stucture to maintain a vector
22772 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22773 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22774 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22775 New function prototypes.
22776 * flow.c (create_edge_list): Function to create an edge list.
22777 (free_edge_list): Discards memory used by an edge list.
22778 (print_edge_list): Debug output showing an edge list.
22779 (verify_edge_list): Internal consistency check for an edge list.
22780 (find_edge_index): Function to find an edge index for a pred and succ.
22782 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22784 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22787 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22789 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22791 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22793 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22795 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22797 * toplev.c (rest_of_compilation): Allow machine dependent
22798 reorganisation pass to place information into the RTL dump
22799 file if it so wishes.
22801 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22803 * explow.c (hard_function_value): Use VOIDmode instead of
22805 * stmt.c (expand_return): Likewise.
22806 * stor-layout.c (get_best_mode): Likewise.
22808 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22809 emit call instead of emit_insn call.
22811 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22813 * configure.in: Handle --disable/enable-win32-registry.
22814 * install.texi: Document --disable/enable-win32-registry.
22815 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22816 (WIN32_REGISTRY_KEY): New macro.
22817 * prefix.c: Use to enable/disable win32-specific code.
22818 (lookup_key): Use versioned key.
22819 * configure: Regenerate.
22820 * config.in: Likewise.
22822 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22824 * cpplib.c (read_line_number): New fn, split out of...
22827 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22829 tree.c (lang_unsave_expr_now) : New.
22830 (unsave_expr_now): Call lang_unsave_expr_now.
22831 tree.h (lang_unsave_expr_now) : New.
22833 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22835 * toplev.c (flag_new_exceptions): On by default.
22837 1999-08-13 Michael Meissner <meissner@cygnus.com>
22839 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22841 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22843 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22844 INTEGER_TYPE with precision==1, it's __java_boolean.
22846 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22848 * global.c (prune_preferences): Move some invariants out of the
22851 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22853 * configure.in (alpha*-dec-osf*): Add osf5.
22855 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22857 * configure.in: Rework handling of ARM GNU/Linux slightly.
22858 (arm*-*-linux-gnuoldld): New target.
22859 * configure: Regenerate.
22860 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22861 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22862 * config/arm/linux-oldld.h: New file.
22863 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22864 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22866 * config/arm/linux-elf.h (ASM_SPEC): Define.
22867 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22868 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22869 for 26-bit APCS and old linker.
22870 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22872 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22873 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22874 don't define `arm' or `arm_elf'.
22875 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22876 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22878 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22880 * rtl.texi: Fix typo.
22882 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22884 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22886 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22888 * extend.texi (C++ Signatures): Remove node.
22889 * invoke.texi: Remove discussion of -fhandle-signatures,
22890 signature, sigof, __signature__, and __sigof__.
22892 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22894 * Makefile.in (JAVAGC): Removed.
22896 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22898 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22900 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22902 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22904 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22906 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22907 a register that is already known to be a pointer.
22909 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22911 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22912 * fixinc/inclhack.sh: Regenerated.
22913 * fixinc/fixincl.sh: Regenerated.
22915 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22917 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22918 Fix documentation of -ansi flag to describe its C++ behavior.
22919 Remove bogus reference to GCC 2.9.
22921 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22923 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22924 note if it is non-NULL.
22926 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22928 * except.h (eh_nesting_info): Add new structure defintion.
22929 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22930 (reachable_handlers, update_rethrow_references): Add function
22932 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22933 a rethrow symbol instead of an integer exception region number.
22934 * flow.c (Make_edges): Use new exception nesting routines to determine
22935 which handlers are reachable from a CALL or asynchronous insn.
22936 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22938 (delete_eh_regions): Update rethrow labels, and don't delete
22939 regions which are the target of a rethrow.
22940 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22941 avoid overloading the SYMBOL_REF_USED flag.
22942 (rethrow_symbol_map): Use new rethrow_ref field.
22943 (rethrow_used): Use new rethrow_ref field.
22944 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22945 of an integer. Fix formatting.
22946 (output_exception_table_entry): Use new rethrow_ref field.
22947 (can_throw): Check for EH_REGION_NOTE before deciding
22948 whether a CALL can throw or not.
22949 (scan_region): Call rethrow_used() instead of accessing data structure.
22950 (update_rethrow_references): New function to make sure only regions
22951 which are still targets of a rethrow are flagged as such.
22952 (process_nestinfo): New static function to initialize a handler
22953 list for a specific region.
22954 (init_eh_nesting_info): New function to allocate and initialize
22955 the list of all EH handlers reachable from all regions.
22956 (reachable_handlers): New function to retrieve the list of handlers
22957 reachable from a specific region and insn.
22958 (free_eh_nesting_info): New function to dispose of a list of
22959 reachable handlers.
22961 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22963 * flow.c (split_edge): Set JUMP_LABEL field.
22964 (commit_one_edge_insertion): Set head correctly for insert_before.
22965 When inserting insns, update insn block numbers if allocated.
22967 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22969 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22970 retry_incomplete_types): Add static prototype.
22971 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22972 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22973 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22974 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22975 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22978 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22979 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22981 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22983 * output.h (assemble_name): Constify a char*.
22985 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22986 assemble_variable, assemble_name): Likewise.
22988 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22990 * arm/pe.c (arm_pe_unique_section): Likewise.
22992 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22994 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22996 * i386/interix.c (i386_pe_unique_section): Likewise.
22998 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23000 * i386/winnt.c (i386_pe_unique_section): Likewise.
23002 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23004 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23006 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23008 * pa/pa.c (output_call): Likewise.
23010 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23012 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23014 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23017 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23020 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23022 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23023 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23025 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23027 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23029 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23031 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23033 * tree.h (lang_identify): Constify a char*.
23034 (print_error_function): Add extern prototype. Constify a char*.
23036 * c-lang.c (lang_identify): Constify a char*.
23038 * objc/objc-act.c (lang_identify): Constify a char*.
23040 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23042 * genpeep.c (main): Make generated file include "function.h".
23043 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23045 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23047 * Makefile.in: Update dependencies.
23048 * alias.c: Include "function.h"
23049 * c-decl.c: Likewise.
23050 * caller-save.c: Likewise.
23051 * calls.c: Likewise.
23052 * combine.c: Likewise.
23054 * explow.c: Likewise.
23055 * final.c: Likewise.
23056 * global.c: Likewise.
23057 * graph.c: Likewise.
23058 * local-alloc.c: Likewise.
23059 * loop.c: Likewise.
23060 * optabs.c: Likewise.
23061 * profile.c: Likewise.
23062 * recog.c: Likewise.
23063 * regclass.c: Likewise.
23064 * regmove.c: Likewise.
23065 * reload.c: Likewise.
23066 * reorg.c: Likewise.
23067 * resource.c: Likewise.
23068 * sched.c: Likewise.
23069 * stupid.c: Likewise.
23070 * config/1750a/1750a.c: Likewise.
23071 * config/a29k/a29k.c: Likewise.
23072 * config/arc/arc.c: Likewise.
23073 * config/arm/arm.c: Likewise.
23074 * config/arm/thumb.c: Likewise.
23075 * config/c4x/c4x.c: Likewise.
23076 * config/clipper/clipper.c: Likewise.
23077 * config/convex/convex.c: Likewise.
23078 * config/fx80/fx80.c: Likewise.
23079 * config/i860/i860.c: Likewise.
23080 * config/m68k/m68k.c: Likewise.
23081 * config/m88k/m88k.c: Likewise.
23082 * config/mips/mips.c: Likewise.
23083 * config/pdp11/pdp11.c: Likewise.
23084 * config/pyr/pyr.c: Likewise.
23085 * config/romp/romp.c: Likewise.
23086 * config/sh/sh.c: Likewise.
23087 * config/tahoe/tahoe.c: Likewise.
23088 * config/vax/vax.c: Likewise.
23089 * config/we32k/we32k.c: Likewise.
23090 * config/sparc/sparc.c: Include "function.h".
23091 (mem_min_alignment): Test current_function rather than
23092 regno_pointer_align.
23093 * config/pa/pa.c: Likewise.
23094 (compute_frame_size): Delete declaration of
23095 current_function_outgoing_args_size.
23096 * config/arc/arc.h (current_function_varargs): Delete declaration.
23097 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23099 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23101 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23102 current_function_uses_pic_offset_table.
23103 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23104 of current_function_returns_pointer.
23105 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23106 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23107 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23108 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23109 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23110 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23111 * config/m88k/m88k.c: Include "function.h"
23112 (call_used_regs, current_function_pretend_args_size,
23113 current_function_outgoing_args_size, frame_pointer_needed): Delete
23115 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23117 * config/mips/mips.h (current_function_calls_alloca): Delete
23119 * config/mn10200/mn10200.h (current_function_needs_context,
23120 rtx_equal_function_value_matters): Delete declarations.
23121 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23122 flag_pic): Delete declarations.
23123 * config/pa/pa.h (current_function_pretend_args_size,
23124 current_function_decl): Delete declarations.
23125 * config/pa/som.h (current_function_varargs): Delete declaration.
23126 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23128 * config/pyr/pyr.h (current_function_pretend_args_size,
23129 current_function_args_size, current_function_calls_alloca): Delete
23131 * config/sh/sh.h (current_function_varargs): Delete declaration.
23132 * config/sparc/sparc.h (current_function_outgoing_args_size,
23133 current_function_calls_alloca, current_function_decl): Delete
23135 * config/spur/spur.h (current_function_pretend_args_size,
23136 current_function_calls_alloca): Delete declarations.
23137 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23139 * config/vax/vms.h (current_function_name): Delete declaration.
23140 * gcse.c: Include "function.h".
23141 (current_function_name, current_function_calls_setjmp): Delete
23143 * haifa-sched.c: Include "function.h".
23144 (forced_labels): Delete declaration.
23145 * jump.c: Likewise.
23146 * reg-stack.c: Likewise.
23147 * reload1.c: Likewise.
23148 * genemit.c (main): Make generated file include function.h.
23149 * genoutput.c (output_prologue): Likewise.
23151 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23152 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23153 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23154 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23155 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23156 macros for some of them.
23157 (emit_filename, emit_lineno): Delete declarations.
23158 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23159 regno_pointer_* variables through current_function.
23160 (gen_inline_header_rtx): Delete function.
23161 (save_emit_status): Delete function.
23162 (set_new_last_label_num): New function.
23163 (clear_emit_caches): New function.
23164 (restore_emit_status): Just clear last_labelnum and call
23166 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23167 through macro seq_stack.
23168 (add_insn_after): Likewise.
23169 (add_insn_before): Likewise.
23170 (remove_insn): Likewise.
23171 (pop_topmost_sequence): Likewise.
23172 (in_sequence_p): Likewise.
23173 (start_sequence_for_rtl_expr): Likewise.
23174 (start_sequence): Likewise, and likewise for
23175 sequence_rtl_expr/seq_rtl_expr.
23176 (push_topmost_sequence): Likewise.
23177 (end_sequence): Likewise.
23178 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23179 All callers changed. Store into that pointer instead of globals.
23180 (init_emit): Allocate emit elt of current_function.
23181 Changes for sequence_rtl_expr/sequence_stack renaming.
23182 Call clear_emit_caches instead of doing it in-line.
23183 Access regno_pointer_* variables through current_function.
23184 (init_emit_once) Don't clear sequence_stack.
23186 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23188 (arg_pointer_save_area): Delete declaration.
23189 (finish_expr_for_function): Renamed from init_queue; no longer static.
23190 (init_expr): Don't call init_queue.
23191 (save_expr_status, restore_expr_status): Delete functions.
23192 (expand_expr): Changes to reflect new layout of struct function.
23193 Don't access current_function_check_memory_usage when current_function
23195 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23196 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23197 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23198 current_function_uses_const_pool, function_call_count,
23199 current_function_uses_pic_offset_table, nonlocal_labels,
23200 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23201 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23202 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23204 (finish_expr_for_function): Declare.
23205 * flags.h (current_function_has_nonlocal_label,
23206 current_function_has_nonlocal_goto, current_function_is_thunk,
23207 current_function_has_computed_jump): Delete declarations.
23208 * flow.c (forced_labels): Delete declaration.
23209 * function.c (current_function_pops_args,
23210 current_function_returns_struct, current_function_returns_pcc_struct,
23211 current_function_needs_context, current_function_calls_setjmp,
23212 current_function_calls_longjmp, current_function_has_nonlocal_label,
23213 current_function_has_nonlocal_goto, current_function_is_thunk,
23214 current_function_has_computed_jump, current_function_calls_alloca,
23215 current_function_contains_functions, current_function_returns_pointer,
23216 current_function_epilogue_delay_list, current_function_args_size,
23217 current_function_pretend_args_size, current_function_arg_offset_rtx,
23218 current_function_outgoing_args_size, current_function_varargs,
23219 current_function_stdarg, current_function_args_info, cleanup_label,
23220 current_function_name, current_function_uses_const_pool,
23221 current_function_instrument_entry_exit, current_function_return_rtx,
23222 current_function_uses_pic_offset_table, nonlocal_labels,
23223 current_function_internal_arg_pointer, current_function_cannot_inline,
23224 current_function_check_memory_usage, function_call_count,
23225 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23226 nonlocal_goto_stack_level, return_label, save_expr_regs,
23227 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23228 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23229 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23230 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23231 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23233 (push_function_context_to): Don't save them. Don't call
23234 save_storage_status, save_emit_status or save_expr_status.
23235 (pop_function_context_from): Don't restore them. Don't call
23236 restore_storage_status or restore_expr_status.
23237 (get_func_frame_size): New function.
23238 (get_frame_size): Use it.
23239 (assign_outer_stack_local): Reflect some member name changes in struct
23241 (put_reg_into_stack): Likewise.
23242 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23244 (fixup_var_refs): Likewise.
23245 (fix_lexical_addr): Likewise.
23246 (trampoline_address): Likewise.
23247 (prepare_function_start): Clear field inlinable of current_function.
23248 (init_function_for_compilation): New function.
23249 (expand_dummy_function_end): New function.
23250 (expand_function_end): Call finish_expr_for_function.
23251 * function.h (struct emit_status): New; fields moved here from struct
23252 function and from global variables. Add accessor macros for some of
23254 (struct expr_status): Likewise.
23255 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23256 (struct function): Add fields expr and emit, inlinable, inl_emit,
23257 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23258 inl_max_label_num. Add many comments.
23259 Add accessor macros for all elts of struct function that no longer
23260 have a global variable.
23261 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23262 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23263 stack_slot_list): Delete declarations.
23264 (get_func_frame_size): Declare.
23265 (save_expr_status, restore_expr_status, save_emit_status,
23266 save_storage_status, restore_storage_status): Delete declarations.
23267 (init_virtual_regs): Declare.
23268 * output.h (current_function_pops_args,
23269 current_function_returns_struct, current_function_returns_pcc_struct,
23270 current_function_needs_context, current_function_calls_setjmp,
23271 current_function_calls_longjmp, current_function_calls_alloca,
23272 current_function_has_nonlocal_label, current_function_varargs,
23273 current_function_has_computed_jump, current_function_returns_pointer,
23274 current_function_contains_functions, current_function_args_size,
23275 current_function_pretend_args_size, current_function_stdarg,
23276 current_function_outgoing_args_size, current_function_args_info,
23277 current_function_name, current_function_return_rtx,
23278 current_function_epilogue_delay_list,
23279 current_function_uses_const_pool, current_function_cannot_inline):
23280 Delete declarations.
23281 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23282 regno_reg_rtx): Delete declaration.
23283 (REGNO_POINTER_FLAG): Delete macro.
23284 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23285 function were renamed.
23286 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23288 * toplev.c: Include "function.h".
23289 (current_function_decl): Delete declaration.
23290 (compile_file): Call init_dummy_function_start and
23291 expand_dummy_function_end around some initializations that need to
23293 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23294 Call init_function_for_compilation.
23295 * unroll.c: Include "function.h"
23296 (unroll_loop): Access regno_pointer_* variables through
23299 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23300 (DECL_SAVED_INSNS): use it.
23301 (expand_dummy_function_end): Declare.
23302 (init_function_for_compilation): Declare.
23303 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23304 that it's no longer an INLINE_HEADER.
23305 (expand_call): Likewise.
23306 * integrate.c (finish_inline): Delete function.
23307 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23308 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23309 args. Don't generate an INLINE_HEADER rtx, just return the arg
23310 vector. All callers changed.
23311 (save_for_inline_copying): Create a duplicate struct emit_status to
23312 hold the emit state for compiling the current function. Use this and
23313 the other new fields in struct function that are for integration
23314 instead of an INLINE_HEADER.
23315 Use memcpy instead of bcopy.
23316 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23317 (save_for_inline_nocopy): Similar changes, except no new emit_status
23319 (expand_inline_function): Get information from function structure,
23320 not from an inline header rtx.
23321 (output_inline_function): Lose code to extract the necessary
23322 information from an inline header; simply put back the function
23323 structure into current_function. Clear its inlinable elt.
23324 * rtl.def (INLINE_HEADER): Delete.
23325 * rtl.h: Delete all accessors for an INLINE_HEADER.
23326 (gen_inline_header_rtx): Delete declaration.
23327 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23328 Delete declarations.
23329 (REGNO_POINTER_ALIGN): Delete.
23330 (clear_emit_caches): Declare.
23331 (set_new_last_label_num): Declare.
23333 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23335 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23337 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23338 * stmt.c (is_eh_region): Make sure current_function is present, too.
23340 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23342 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23343 for 64bit PA targets.
23345 * pa.h (SELECT_SECTION): Define.
23346 * som.h (SELECT_SECTION): Delete.
23348 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23350 * alias.c (init_alias_analysis): Wrap call to
23351 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23353 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23355 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23356 <sys/asm.h> contains an asm comment with an apostrophe
23357 * fixinc/inclhack.sh: regen
23358 * fixinc/fixincl.x: regen
23360 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23362 * function.c (init_function_start): Clear prologue & epilogue.
23363 (prologue_epilogue_contains): New function.
23364 * alias.c (init_alias_analysis): Use it.
23365 * rtl.h (prologue_epilogue_contains): Declare it.
23367 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23369 * jump.c (onlyjump_p): New function.
23370 * rtl.h: Declare it.
23371 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23372 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23374 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23376 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23377 to invert loops. Simplify block scanning.
23379 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23381 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23382 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23384 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23386 * config/sparc/liteelf.h: New file to support sparclite-elf target
23387 * config/sparc/t-sp86x: New file to support sparc86x targets
23388 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23389 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23390 * configure.in: Support above target triplets
23391 * configure: Regenerated
23393 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23395 * fixinc/server.c (server_setup): Do not prefix function used as
23396 parameter with `&'.
23398 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23400 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23401 Remove fp reg alternatives.
23403 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23405 * Makefiin (TAROUTOPTS): Kill.
23406 (install-headers-tar): Use "xpf" for tar headerfile extraction
23407 * i370/x-oe (TAROUTOPTS): Delete.
23408 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23409 * m68k/x-hp320 (TAROUTOPTS): Delete.
23410 * m68k/x-hp320g (TAROUTOPTS): Delete.
23411 * gcc.texi: Update bug reporting text.
23413 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23415 * reg-stack.c (change_stack) Fixed problem with negative array index.
23417 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23419 * extend.texi, install.texi: Fix spelling mistakes.
23421 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23422 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23423 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23424 PREMADE_ATTRTAB_MD.
23425 * mips/t-ecoff: Likewise.
23426 * mips/t-elf: Likewise.
23427 * mips/t-mips: Likewise.
23428 * mips/t-osfrose: Likewise.
23429 * mips/t-r3900: Likewise.
23430 * mips/t-svr3: Likewise.
23431 * mips/t-svr4: Likewise.
23432 * mips/t-ultrix: Likewise.
23434 * gcc.texi: Document recommend means to provide software floating
23435 point libraries in libgcc.a
23437 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23439 * c-lex.c (yylex): We can have a number with no digits.
23441 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23443 * jump.c (delete_prior_computation): New function, broken
23444 out of delete_computation. Check for side effects with
23445 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23446 multi-word hard registers.
23447 (delete_computation): Use it. Check for side effects with
23448 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23449 missing REG_DEAD note for a register which is both set and
23452 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23454 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23455 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23456 (ASM_FILE_START): Import _mcount with the right type.
23457 (ASM_DECLARE_FUNCTION_NAME): Define.
23458 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23459 * pa.c (output_function_prologue): Always emit the function's label
23461 * pa.h (TEXT_SPACE_P): Define.
23462 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23463 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23464 * som.h (TEXT_SPACE_P): Delete.
23465 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23466 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23468 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23470 * expr.c (emit_group_load): Allow src to be a CONCAT.
23472 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23474 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23475 (___mulsi3): Use '!' comment character.
23477 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23479 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23481 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23483 * gcc.c: Update URLs and mail addresses.
23484 * gcc.texi: Likewise.
23486 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23488 * rs6000.c (current_file_function_operand): Return zero for
23490 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23492 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23495 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23497 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23498 allocate space in the stack frame for the PIC register.
23500 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23502 * m68k.md (xordi3, anddi3): These patterns are not available on
23505 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23507 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23508 (PUT_REAL): Likewise.
23510 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23512 * final.c (shorten_branches): Don't add an alignment for loops
23513 that have no label inside.
23515 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23517 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23518 prototypes in macro HAVE_cmpstrsi.
23520 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23522 * emit-rtl.c (operand_subword): Remove unused variable
23525 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23527 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23529 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23531 * cpphash.c (macroexpand): Delete leading whitespace when arg
23532 is concatenated before.
23533 (unsafe_chars): Correct test for whether + and - can extend a
23536 * cppinit.c (cpp_start_read): Do dependencies for
23537 -include/-imacros files also.
23539 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23540 tokenizing non-directive lines.
23541 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23542 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23545 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23547 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23549 * c-lex.c: Sync with C++ frontend.
23550 (linemode): New variable.
23551 (parse_float): imag, conversion_errno, and type are output only.
23552 (yylex): Adjust. Move initial '.' case into main switch.
23554 (handle_generic_pragma): Just deal with tokens.
23555 (readescape): Use ISXDIGIT and ISGRAPH.
23556 * c-parse.in: Add END_OF_LINE token.
23558 * c-lex.c (lang_init): Generalize.
23559 (nextchar): Remove. Replace uses with UNGETC.
23560 (skip_white_space): Handle linemode here. Optimize for cpplib.
23561 (skip_white_space_on_line): Remove.
23562 (extend_token_buffer_to): New fn.
23563 (extend_token_buffer): Use it.
23564 (read_line_number, check_newline): Just deal with tokens.
23565 (token_getch, token_put_back): New fns.
23566 (yylex): Use them. More cpplib optimizations. Simplify.
23568 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23569 Jason Merrill <jason@yorick.cygnus.com>
23571 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23572 (consume_string): Make this smart about USE_CPPLIB.
23573 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23574 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23575 Also, clean up cases where we redundantly set token_buffer[0].
23576 (read_line_number): New fn.
23577 (ignore_escape_flag): New variable.
23579 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23581 * a29k/t-a29kbare: Fix some comments.
23582 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23583 (FPBIT, DPBIT): Define.
23584 * a29k/t-vx29k: Likewise.
23585 * arc/t-arc: Likewise.
23586 * arm/t-arm-elf: Likewise.
23587 * arm/t-bare: Likewise.
23588 * arm/t-pe: Likewise.
23589 * arm/t-pe-thumb: Likewise.
23590 * arm/t-semi: Likewise.
23591 * arm/t-thumb: Likewise.
23592 * arm/t-thumb-elf: Likewise.
23593 * arm/t-thumb-linux: Likewise.
23594 * h8300/t-h8300: Likewise.
23595 * i960/t-i960: Likewise.
23596 * i960/t-vxworks960: Likewise.
23597 * m32r/t-m32r: Likewise.
23598 * mips/t-ecoff: Likewise.
23599 * mips/t-elf: Likewise.
23600 * mips/t-r3900: Likewise.
23601 * pa/t-pro: Likewise.
23602 * rs6000/t-aix43: Likewise.
23603 * rs6000/t-beos: Likewise.
23604 * rs6000/t-newas: Likewise.
23605 * rs6000/t-ppccomm: Likewise.
23606 * rs6000/t-rs6000: Likewise.
23607 * rs6000/t-winnt: Likewise.
23608 * rs6000/t-xnewas: Likewise.
23609 * rs6000/t-xrs6000: Likewise.
23610 * sh/t-sh: Likewise.
23611 * sparc/t-elf: Likewise.
23612 * sparc/t-sparcbare: Likewise.
23613 * sparc/t-sparclite: Likewise.
23614 * sparc/t-splet: Likewise.
23615 * v850/t-v850: Likewise.
23616 * mn10200/t-mn10200: Fix comments.
23617 * mn10300/t-mn10300: Likewise.
23619 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23620 dummy operand. Allocate a new pseudo for the dummy operand.
23621 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23623 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23625 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23627 * configure: Rebuilt.
23628 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23630 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23632 * recog.c (preproces_constraints): Zero recog_op_alt before
23633 processing the constraints.
23635 * arm.c (typedef minipool_node): Renamed from pool_node.
23636 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23637 (add_minipool_constant): New function.
23638 (dump_minipool): New function.
23639 (find_barrier): Remove special case for getting the insn size of
23640 an insn that references the constant pool.
23641 (minipool_fixup): New structure.
23642 (push_minipool_barrier): New function.
23643 (push_minipool_fix): New function.
23644 (note_invalid_constants): New function.
23645 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23646 (arm_reorg): Rewrite code to fix up the constant pool into a
23647 series of mini-pools embedded in the insn stream.
23648 (arm_output_epilogue): New function, made mainly from the body
23649 of output_func_epilogue.
23650 (output_func_epilogue): Move insn generation part of epilogue code
23651 to arm_output_epilogue.
23652 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23653 * arm.md (pool_range): New attribute.
23654 (zero_extendqidi2): Add attribute pool_range.
23655 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23656 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23657 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23658 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23659 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23660 (epilogue): New expand.
23661 (epilogue_insn): New insn. Call arm_output_epilogue.
23663 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23664 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23666 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23668 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23670 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23672 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23674 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23676 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23678 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23680 * global.c: Fix comment.
23682 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23684 * gcc.c (access_check): New static function.
23685 (find_a_file): Use it when searching a directory list.
23686 * collect2.c (find_a_file): Don't accept directories found when
23687 searching a directory list.
23689 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23691 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23692 function parameters with `&'.
23693 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23695 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23697 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23698 or tidy_fallthru_edge if the last insn in the block is not
23699 an unconditional jump or a simple conditional jump.
23701 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23703 * Makefile.in (c-decl.o): Depends on defaults.h.
23705 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23707 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23709 (CLASS_MAX_NREGS): Likewise.
23711 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23713 * cse.c (cse_insn): Fix dumb thinko in last change.
23715 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23717 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23720 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23722 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23723 test for sizes of passed and declared parameter types.
23725 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23727 * fixincludes: Fix the return type of bsearch, char* -> void*.
23729 * fixinc/inclhack.def: Likewise.
23731 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23733 * invoke.texi (-fdump-translation-unit): New option.
23735 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23737 * expr.h (PROMOTE_PROTOTYPES): Move ...
23738 * defaults.h: ... to here.
23739 * c-decl.c: Include defaults.h instead of expr.h.
23740 * c-typeck.c: Include defaults.h.
23742 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23744 * toplev.h (errorcount): Declare.
23745 (warningcount): Likewise.
23746 (sorrycount): Likewise.
23747 * c-lex.c (errorcount): Don't declare.
23748 * dwarf2out.c (errorcount): Don't declare.
23750 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23752 * config/libgloss.h: Add a note discouraging use with ELF.
23753 * configure.in: Don't use libgloss.h for ELF targets.
23754 Always use_collect2 on a.out targets.
23756 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23758 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23759 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23761 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23763 * loop.c (strength_reduce): When doing biv->giv conversion, update
23764 reg note of NEXT->insn.
23766 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23768 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23770 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23772 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23773 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23774 Ensure expr.h is included.
23775 * c-typecheck.c (convert_arguments): Ditto.
23777 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23779 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23780 * config/convex/convex.h: Ditto.
23781 * config/dsp16xx/dsp16xx.h: Ditto.
23782 * config/fx80/fx80.h: Ditto.
23783 * config/gmicro/gmicro.h: Ditto.
23784 * config/i370/i370.h: Ditto.
23785 * config/i386/i386.h: Ditto.
23786 * config/m32r/m32r.h: Ditto.
23787 * config/m68k/m68k.h: Ditto.
23788 * config/m88k/m88k.h: Ditto.
23789 * config/mips/mips.h: Ditto.
23790 * config/pa/pa.h: Ditto.
23791 * config/pyr/pyr.h: Ditto.
23792 * config/tahoe/tahoe.h: Ditto.
23793 * config/we32k/we32k.h: Ditto.
23795 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23796 based on arch size.
23798 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23800 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23803 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23805 1999-08-02 Richard Henderson <rth@cygnus.com>
23807 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23808 for the register spill block.
23809 (m32r_va_arg): New.
23810 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23811 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23813 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23814 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23815 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23817 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23819 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23820 MAX_WCHAR_TYPE defined in sparc.h.
23821 * config/sparc/linuxaout.h: Likewise.
23822 * config/sparc/linux64.h: Likewise.
23823 Also default to -mvis if CPU is UltraSPARC.
23825 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23827 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23828 (RTX_OK_FOR_OLO10): Likewise.
23829 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23830 %lo(), allow it in addresses...
23831 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23832 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23833 does not make sense.
23834 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23835 (sparc_output_scratch_registers): New function.
23836 (output_function_prologue, sparc_flat_output_function_prologue): Use
23838 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23840 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23841 * configure.in: Add check for .register pseudo-op support in as and
23842 check for offsetable %lo().
23843 * acconfig.h: Add templates for the above checks.
23844 * configure: Regenerate.
23846 1999-08-02 Richard Henderson <rth@cygnus.com>
23848 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23849 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23850 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23852 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23854 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23857 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23859 * config/float-sparc.h: New file.
23860 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23861 sparc-*-linux-gnu and sparc64-*-linux*.
23863 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23865 * rs6000.c (rs6000_va_list): Type is an array.
23866 (rs6000_va_start): Don't doubly adjust for varargs.
23867 (rs6000_va_arg): Evaluate long long GPR adjustment.
23869 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23871 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23872 -maix64 and -maix32.
23873 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23874 LINK_SPEC): Change appropriately.
23875 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23876 (u_short_cint_operand): Likewise.
23877 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23879 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23881 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23883 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23885 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23886 for type promotion.
23887 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23888 (non_add_cint_operand): Likewise.
23889 (logical_operand): Likewise.
23890 (non_logical_cint_operand): Likewise.
23891 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23892 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23893 (rs6000_select_rtx_section): Suppress warning.
23894 (small_data_operand): Suppress warning.
23895 (rs6000_got_register): Suppress warning.
23896 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23897 type, so `J' is generally the wrong constraint for a SImode value;
23899 (andsi3_internal2): Likewise.
23900 (andsi3_internal3): Likewise.
23901 (iorsi3_internal1): Likewise.
23902 (xorsi3_internal1): Likewise.
23904 (movsf_softfloat): Likewise.
23905 (scc insns): Likewise.
23906 (movsi+2): Preserve sign bits of SImode constant.
23907 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23908 (movdf+1): Sign-extend properly.
23909 (movdi_32+1): Sign-extend properly.
23910 (scc insns): Sign-extend properly.
23912 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23915 1999-08-02 Richard Henderson <rth@cygnus.com>
23917 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23918 -mcpu parsing code.
23919 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23920 * alpha.md (all fp insns): Likewise.
23922 1999-08-02 Nick Clifton <nickc@cygnus.com>
23924 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23927 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23929 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23930 pic_load_label generator directly.
23931 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23932 No longer a named pattern.
23934 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23936 * explow.c (force_reg): Call force_operand if X does not
23937 satisfy general_operand.
23939 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23941 * fix-header.c (main): When testing for CONTINUED, use string
23942 equality, not pointer equality.
23944 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23946 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23948 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23950 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23951 that has become an unconditional jump.
23953 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23954 (output_function_epilogue): Similarly.
23956 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23958 * tree.h (init_dummy_function_start): Declare.
23960 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23962 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23963 last_expr_type, last_expr_value, block_start_count, block_stack,
23964 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23965 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23966 dynamically in stmt elt of struct function for each function.
23967 (struct nesting): Rename function_call_count elt to n_function_calls,
23968 target_temp_slot_level to block_target_temp_slot_level. All users
23970 (struct stmt_status): New structure definition.
23971 Add many accessor macros for stmt_status elements which previously
23972 were global variables.
23973 (init_stmt_for_function): Allocate stmt elt for current_function.
23974 Reflect that block_start_count was renamed to
23975 current_block_start_count.
23976 (save_stmt_status, restore_stmt_status): Delete functions.
23977 (preserve_subexpressions_p): Don't access loop_stack when outside
23979 (expand_start_bindings): Reflect that block_start_count was renamed to
23980 current_block_start_count.
23981 (expand_fixup): Likewise.
23982 (expand_decl): Don't access block_stack when outside a function.
23983 (expand_decl_cleanup): Likewise.
23984 (expand_dcc_cleanup): Likewise.
23985 (expand_dhc_cleanup): Likewise.
23986 (expand_anon_union_decl): Likewise.
23987 (set_file_and_line_for_stmt): New function.
23988 (in_control_zone_p): New function.
23990 * function.h (struct function): Add new elt stmt.
23991 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23992 case_stack, nesting_stack, nesting_depth, block_start_count,
23993 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23994 emit_lineno, goto_fixup_chain.
23995 (save_eh_status, restore_eh_status, save_stmt_status,
23996 restore_stmt_status): Delete declarations.
23997 * function.c (push_function_context_to): Don't call save_stmt_status.
23998 (pop_function_context_to): Don't call restore_stmt_status.
23999 * tree.h (in_control_zone_p): Declare.
24000 * rtl.h (set_file_and_line_for_stmt): Declare.
24002 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24003 call set_file_and_line_for_stmt.
24005 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24007 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24008 Also update copyright.
24010 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24012 * c-pragma.c: Don't include "except.h".
24013 * emit-rtl.c: Likewise.
24014 * stor-layout.c: Likewise.
24015 * tree.c: Likewise.
24016 * varasm.c: Likewise.
24018 * flow.c: Include "function.h".
24019 * tree.h (init_dummy_function_start): Declare new function.
24021 * except.h (struct eh_status): New structure.
24022 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24024 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24025 catch_clauses, false_label_stack, caught_return_label_stack,
24026 protect_list, current_function_ehc): Add accessor macros for the
24027 corresponding fields in current_function->eh; delete declarations
24028 for all items that used to be declared here.
24029 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24030 catch_clauses, false_label_stack, caught_return_label_stack,
24031 protect_list, current_function_ehc): Delete variables.
24032 (init_eh_for_function): Allocate current_function->eh.
24033 (save_eh_status, restore_eh_status): Delete functions.
24035 * function.h (struct function): Add fields next_global and eh.
24036 Delete all exception handling related fields.
24037 * function.c (current_function): New variable.
24038 (all_functions): New variable.
24039 (push_function_context_to): Don't allocate a struct function,
24040 use current_function instead. Call init_dummy_function_start when
24041 outside a function. Clear current_function before returning.
24042 (pop_function_context_from): Restore current_function.
24043 Don't free the restored struct function.
24044 (prepare_function_start): New function.
24045 (init_dummy_function_start): New function.
24046 (init_function_start): Break out some code into prepare_function_start
24049 * stmt.c (save_stmt_status): Don't call save_eh_status.
24050 (restore_stmt_status): Don't call restore_eh_status.
24052 * Makefile.in: Update dependencies.
24054 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24056 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24057 of depending on a magic constant value. Update comments.
24058 (hppa_expand_prologue): Similarly.
24060 * pa.md (reload_indi, reload_outdi): Allow any register for the
24061 original reload register.
24063 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24065 * cccp.c (print_help): Change marcos to macros.
24067 1999-07-30 Richard Henderson <rth@cygnus.com>
24069 * c-typeck.c (initializer_constant_valid_p): Move ...
24070 * c-common.c (initializer_constant_valid_p): ... here. Use
24071 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24072 of label addresses.
24073 * c-common.h (initializer_constant_valid_p): Declare.
24074 * c-tree.h (initializer_constant_valid_p): Remove.
24076 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24078 * config/i386/sol2-c1.asm: Align the stack.
24079 * config/i386/sol2-gc1.asm: Likewise.
24081 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24083 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24084 -Asparclite for sparc86x.
24085 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24087 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24089 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24091 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24092 the user if using the non-default arch size in BI_ARCH configuration.
24093 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24095 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24096 Fix patterns so that they actually match.
24097 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24098 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24099 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24101 (mulsidi3): Reflect this in the expand.
24102 (smulsi3_highpart): Only on TARGET_ARCH32.
24103 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24104 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24105 (umulsidi3): Reflect this in the expand.
24106 (umulsi3_highpart): Only on TARGET_ARCH32.
24107 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24108 don't require g0 to be zero.
24109 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24110 ({,u}divsi3): New expands.
24111 ({,u}divsi3_sp64): New patterns.
24112 (after lshrdi3_v8plus): Four new patterns to help combiner
24113 optimizing nested mixed mode shifts.
24115 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24116 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24117 speed things up. Don't use them by default on plain v9 in 64bit
24118 mode, according to what SPAMv9 sais.
24120 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24121 top 32 bits of %[og][0-7] in signal handlers.
24122 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24124 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24126 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24127 (ashlsi3): Corresponding changes.
24129 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24131 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24133 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24135 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24137 * arm.h (Hint): Delete macro.
24138 Substitute HOST_WIDE_INT for Hint in some prototypes.
24139 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24141 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24143 * builtins.c (expand_builtin_setjmp): Use force_operand to
24144 make sure that the buffer address is in a suitable form to be
24145 passed to force_reg.
24147 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24149 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24152 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24154 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24155 proper mode in the condition string.
24156 (icacheflush, dcacheflush): Remove modes from match_operands.
24158 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24159 proper mode before using it.
24161 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24164 * pa.c (store_reg): Do not call add_high_const generator directly.
24165 (load_reg, set_reg_plus_d): Likewise.
24166 * pa.md (add_high_const): No longer a named pattern.
24168 * pa.c (legitimize_address): Consistently use Pmode rather than
24169 SImode. Do not call gen_pic2_highpart directly anymore.
24170 * pa.md (pic2_highpart): No longer a named pattern.
24171 (pic2_lo_sum): Similarly. Reformat to make more readable.
24173 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24178 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24180 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24182 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24184 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24185 and tag the spill mems.
24186 (hppa_va_start): New.
24187 (hppa_va_arg): New.
24188 * pa.h (EXPAND_BUILTIN_VA_START): New.
24189 (EXPAND_BUILTIN_VA_ARG): New.
24191 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24193 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24194 and tag the spill mems.
24195 (mn10300_va_start): New.
24196 (mn10300_va_arg): New.
24197 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24198 (EXPAND_BUILTIN_VA_ARG): New.
24200 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24202 * mn10200.c (mn10200_va_arg): New.
24203 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24205 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24207 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24208 rather than play with TREE_INT_CST_LOW.
24210 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24212 * config/arm/telf.h: Include dbxelf.h.
24213 (CPP_PREDEFINES): Only define if not already defined.
24214 (ASM_IDENTIFY_GCC): Likewise.
24215 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24216 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24217 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24219 (DBX_DEBUGGING_INFO): Don't define.
24220 * config/arm/linux-telf.h: New file.
24221 * config/arm/linux-tgas.h: New file.
24222 * config/arm/t-thumb-linux: New file.
24223 * config/arm/uclinux-elf.h: New file.
24224 * config/arm/uclinux-telf.h: New file.
24225 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24226 thumb-*-uclinux): New targets.
24227 * configure: Regenerate.
24229 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24231 * pa.md (post_store, pre_load): New expanders.
24232 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24233 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24234 need to directly generate RTL for them.
24235 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24238 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24240 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24241 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24242 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24243 (secndary_reload_class): Make TARGET_ELF conditional compile.
24244 (print_operand_address): Similar.
24245 (output_toc): Print all values as hex.
24246 (get_issue_rate): Rearrange and add RS64A and PPC630.
24247 * rs6000.h (processor_type): Add RS64A and PPC630.
24248 (PROCESSOR_POWERPC64): New.
24249 (PROMOTE_MODE): Use word_mode.
24250 (RTX_COSTS): Add RS64A and PPC630.
24251 * rs6000.md (scheduling information): Add lmul and ldiv
24252 representing 64-bit integer multiply and divide. Add rs64a and
24253 PPC630 information.
24254 (ashldi3): Add support for "rldic" instruction.
24255 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24257 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24259 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24260 instead of V8 for sparclite86x in cpu_table.
24262 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24264 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24265 output_file_directive.
24267 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24269 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24270 tree for op1, not the rtl.
24272 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24274 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24275 to m88k_va_start, leaving only the register spill.
24276 (m88k_build_va_list): New.
24277 (m88k_va_start): New.
24278 (m88k_va_arg): New.
24279 * m88k.h (BUILD_VA_LIST_TYPE): New.
24280 (EXPAND_BUILTIN_VA_START): New.
24281 (EXPAND_BUILTIN_VA_ARG): New.
24283 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24285 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24286 Rename from expand_builtin_saveregs.
24287 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24289 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24291 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24292 for the register spill block.
24293 (i960_build_va_list): New.
24294 (i960_va_start): New.
24295 (i960_va_arg): New.
24296 * i960.h (BUILD_VA_LIST_TYPE): New.
24297 (EXPAND_BUILTIN_VA_START): New.
24298 (EXPAND_BUILTIN_VA_ARG): New.
24299 * i960.md (store_multiple): Use change_address on individul mems.
24301 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24303 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24305 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24306 (expand_builtin_va_end): Evaluate arg for side effects.
24307 * c-common.c (c_common_nodes_and_builtins): Construct a
24308 va_list_arg_type_node to handle array decomposition to pointer.
24310 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24312 * except.c (st_dynamic_cleanup): Use force_operand on the
24315 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24317 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24318 * c4x.c (c4x_va_arg): New.
24320 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24322 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24323 has manual_pop set.
24325 1999-07-26 Nathan Sidwell <nathan@acm.org>
24327 * eh-common.h (__eh_matcher): Prototype correctly.
24329 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24331 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24332 (TARGET_SINGLE_PIC_BASE): Likewise.
24333 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24335 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24336 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24337 (TARGET_OPTIONS): Add -mpic-register=N.
24338 (OUTPUT_INT_ADDR_CONST): New macro.
24339 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24340 LEGITIMATE_PIC_OPERAND_P): Likewise.
24341 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24342 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24343 output_addr_const directly.
24344 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24346 (thumb_pic_register, thumb_pic_register_string): Declare.
24348 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24350 (label_mentioned_p): New function: Imported from arm.c.
24351 (legitimize_pic_address): New function: Imported from arm.c.
24352 (is_pic):New function: Imported from arm.c.
24353 (thumb_finalize_pic):New function: Imported from arm.c.
24354 (add_constant): Cope with PIC constants.
24355 (fixit): Cope with PIC constants.
24356 (output_return): Do not treat the PIC register as live if
24357 TARGET_SINGLE_PIC_BASE is true.
24358 (thumb_function_prologue): Do not treat the PIC register as live if
24359 TARGET_SINGLE_PIC_BASE is true.
24360 (thumb_expand_prologue): Do not treat the PIC register as live if
24361 TARGET_SINGLE_PIC_BASE is true.
24362 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24363 TARGET_SINGLE_PIC_BASE is true.
24364 (thumb_print_operand): Accept '|'.
24365 (thumb_override_options): Process PIC options.
24367 * config/arm/thumb.md (movsi): Support PIC.
24368 (call_insn): Change "i" constraint to "X".
24369 (call_value_insn): Likewise.
24370 (consttable_4, consttable_8, consttable_end): Set and clear
24371 "making_const_table" as appropriate.
24372 (pic_load_addr, pic_add_dot_plus_four): New insns.
24374 * invoke.texi (Thumb Options): Fix spelling. Document new
24375 options -msingle-pic-base and -mpic-register=.
24377 1999-07-26 Andrew Haley <aph@cygnus.com>
24379 * config/m32r/initfini.c (__init): Use a full word immediate for
24380 __fini: this allows it to be placed in any memory region.
24382 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24383 -mmodel=medium. This is OK for all memory models.
24385 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24387 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24388 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24390 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24392 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24395 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24397 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24399 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24400 (BUILD_VA_LIST_TYPE): New.
24401 (EXPAND_BUILTIN_VA_START): New.
24402 (EXPAND_BUILTIN_VA_ARG): New.
24403 * i860.c (output_delayed_branch): Disable.
24404 (output_delay_insn): Likewise.
24405 (i860_saveregs): New.
24406 (i860_build_va_list): New.
24407 (i860_va_start): New.
24408 (i860_va_arg): New.
24409 * i860.md: Disable all peepholes using output_delayed_branch.
24410 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24412 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24414 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24415 (BUILD_VA_LIST_TYPE): New.
24416 (EXPAND_BUILTIN_VA_START): New.
24417 (EXPAND_BUILTIN_VA_ARG): New.
24418 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24419 Return the address of the save area.
24420 (clipper_build_va_list): New.
24421 (clipper_va_start): New.
24422 (clipper_va_arg): New.
24424 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24426 * arc.h (EXPAND_BUILTIN_VA_START): New.
24427 (EXPAND_BUILTIN_VA_ARG): New.
24428 * arc.c (arc_setup_incoming_varargs): Set alias set of
24430 (arc_va_start): New.
24433 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24435 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24436 (BUILD_VA_LIST_TYPE): New.
24437 (EXPAND_BUILTIN_VA_START): New.
24438 (EXPAND_BUILTIN_VA_ARG): New.
24439 * alpha.c (alpha_builtin_saveregs): Delete.
24440 (alpha_build_va_list): New.
24441 (alpha_va_start): New.
24442 (alpha_va_arg): New.
24444 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24446 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24448 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24449 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24451 * gcc.texi: More changes related to list conversion.
24452 * invoke.texi: Likewise.
24454 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24456 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24457 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24458 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24459 (stabilize_va_list): New function.
24460 (std_expand_builtin_va_start): New function.
24461 (expand_builtin_va_start): New function.
24462 (get_varargs_alias_set): New function.
24463 (std_expand_builtin_va_arg): New function.
24464 (expand_builtin_va_arg): New function.
24465 (expand_builtin_va_end): New function.
24466 (expand_builtin_va_copy): New function.
24467 (expand_builtin): Call them.
24468 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24469 __builtin_{varargs_start,stdarg_start,end,copy}.
24470 (build_va_arg): New function.
24471 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24472 (build_va_arg): Declare.
24473 * c-decl.c (ptr_type_node, va_list_type_node): New.
24474 * c-parse.gperf (__builtin_va_arg): New.
24475 * c-parse.in (VA_ARG): New token.
24476 (unary_expr): Recognize it.
24477 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24478 * expr.h (std_expand_builtin_va_start): Declare.
24479 (std_expand_builtin_va_arg): Declare.
24480 (expand_builtin_va_arg): Declare.
24481 (get_varargs_alias_set): Declare.
24482 * tree.def (VA_ARG_EXPR): New.
24483 * tree.h (BUILT_IN_VARARGS_START): New.
24484 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24485 (ptr_type_node, va_list_type_node): Declare.
24486 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24487 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24488 * m88k.h, m88k.c: Likewise.
24489 * mn10300.h, mn10300.c: Likewise.
24490 * pa.h, pa.c: Likewise.
24491 * rs6000.h, rs6000.c: Likewise.
24492 * sh.h, sh.c: Likewise.
24493 * sparc.h, sparc.c: Likewise.
24495 * emit-rtl.c (operand_subword): Copy alias set.
24496 (change_address): Likewise.
24498 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24500 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24501 not just the first one.
24503 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24505 * config/arm/arm.h (TARGET_SWITCHES): Add
24506 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24507 (TARGET_OPTIONS): Add -mpic-register=.
24508 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24509 (arm_pic_register_string): Declare.
24510 (NEED_PLT_GOT): Delete, replace with ...
24511 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24512 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24513 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24514 * config/arm/arm.c (arm_override_options): Add new option
24516 (arm_pic_register_string): New variable.
24517 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24518 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24519 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24520 (output_return_instruction): Likewise.
24521 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24522 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24523 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24525 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24526 mention of -msched-prolog. Document new options -msingle-pic-base
24527 and -mpic-register=.
24529 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24531 * haifa-sched.c (reemit_notes): Tidy.
24532 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24535 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24537 * explow.c (trunc_int_for_mode): New function.
24538 (plus_constant_wide): Use it.
24539 * combine.c (simplify_and_const_int): Likewise.
24540 (merge_outer_ops): Likewise.
24541 (simplify_shift_const): Likewise.
24542 * cse.c (simplify_unary_operation): Likewise.
24543 (simplify_binary_operation): Likewise.
24544 * emit-rtl.c (operand_subword): Likewise.
24545 * rtl.h: Declare it.
24547 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24549 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24550 (use NUM_REGS instead of NUM_INTS).
24552 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24554 * builtins.c: New file.
24555 * expr.c (saveregs_value, apply_args_value): Delete definition,
24556 moved into builtins.c.
24557 (string_constant): No longer static.
24558 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24559 apply_args_size, apply_result_size, result_vector,
24560 expand_builtin_apply_args, expand_builtin_apply,
24561 expand_builtin_return): Delete functions, moved into builtins.c.
24562 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24563 * expr.h (saveregs_value, apply_args_value): Declare variables.
24564 (expand_builtin, string_constant): Declare functions.
24565 * Makefile.in: Update to build builtin.o.
24567 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24569 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24570 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24571 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24572 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24574 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24577 1999-07-21 Michael Meissner <meissner@cygnus.com>
24579 * print-rtl.c (print_rtx): Print the names of the virtual
24582 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24584 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24585 introduced in previous delta.
24587 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24589 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24590 to avoid name clash.
24592 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24594 * c-lex.c (yylex) : Correct the test for overflow when lexing
24597 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24599 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24600 (adjust_priority): Always call ADJUST_PRIORITY.
24601 (schedule_insn): Only put insns into the ready at cost 0.
24602 (schedule_block): Remove redundant initial sort. Give clock_var
24603 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24605 * tm.texi (MD_SCHED_REORDER): Update docs.
24607 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24608 * sparc.c (ultra_reorder_called_this_block): Delete.
24609 (ultrasparc_sched_init): Don't set it.
24610 (ultrasparc_sched_reorder): Don't check it.
24612 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24614 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24615 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24616 (function_arg_boundary): Align DFmode.
24617 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24618 to get fp reg and stack overflow correct.
24619 (function_arg): Likewise.
24620 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24621 (setup_incoming_varargs): Restructure for ABI_V4; use
24622 function_arg_advance to skip final named argument.
24623 (expand_builtin_saveregs): Properly unskip the last integer arg
24624 when doing varargs. Adjust overflow location calculation.
24626 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24627 explicitly unsigned.
24628 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24629 (__VA_GP_REGSAVE): Similarly.
24630 (__va_longlong_p): Delete.
24631 (__va_arg_type_violation): New declaration.
24632 (va_arg): Restructure. Flag promotion errors. Align double.
24633 TFmode passed by reference.
24635 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24636 in the HOST_BITS_PER_WIDE_INT > 32 case.
24638 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24640 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24642 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24644 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24645 * toplev.c (documented_lang_options): Add -fpreprocessed.
24646 * cpplib.h (struct cpp_buffer): Add preprocessed.
24647 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24648 (cpp_start_read): Don't expand macros or emit an initial #line
24649 directive if -fpreprocessed.
24651 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24653 * cpplib.h (struct cpp_buffer): Added manual_pop for
24654 better C++ tokenization.
24655 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24656 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24657 * c-common.c (cpp_token): Make non-static.
24659 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24661 * c-common.h: New file.
24662 * c-common.c (permanent_obstack): Delete unused declaration.
24663 (c_global_trees): New array.
24664 (c_common_nodes_and_builtins): New function; split off common code
24665 from init_decl_processing in both c-decl.c and cp/decl.c.
24666 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24667 c_global_trees and accessor macros defined in c-common.h.
24668 Include c-common.h.
24669 * c-decl.c: Delete definitions for tree nodes that were replaced by
24671 (init_decl_processing): Build void_list_node.
24672 Call c_common_nodes_and_builtins; delete code to generate the common
24674 * objc/objc-act.c (build_module_descriptor): Rename variable
24675 void_list_node to avoid clash with c-common.h.
24677 * Makefile.in: Update dependencies.
24678 * objc/Make-lang.in: Likewise.
24680 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24682 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24683 (UNIQUE_SECTION_P): Likewise.
24684 (UNIQUE_SECTION): Likewise.
24686 1999-07-19 Linas Vepstas <linas@linas.org>
24688 * config/i370/README: New file.
24689 * config/i370/linux.h: New file.
24690 * config/i370/mvs.h: New file.
24691 * config/i370/oe.h: New file.
24692 * config/i370/t-linux: New file.
24693 * config/i370/t-mvs: New file.
24694 * config/i370/t-oe: New file.
24695 * config/i370/x-oe: New file.
24696 * config/i370/xm-linux.h: New file.
24697 * config/i370/xm-mvs.h: New file.
24698 * config/i370/xm-oe.h: New file.
24700 * i370.c (label_node_t): Add first_ref_page, label_addr,
24701 label_first_ref, label_last_ref members.
24702 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24703 (MAX_MVS_LABEL_SIZE): Define.
24704 (MAX_LONG_LABEL_SIZE): Define.
24705 (alias_node_t, alias_anchor, alias_number): New.
24706 (mvs_function_table): Reorder for EBCDIC.
24707 (ascebc, ebcasc): Unconditionally define.
24708 (i370_branch_dest, i370_branch_length): New functions.
24709 (i370_short_branch, i370_label_scan): New functions.
24710 (mvs_get_label): Renamed from mvs_add_label. Search for
24711 an existing label before creating a new one.
24712 (mvs_add_label): New function.
24713 (mvs_get_label_page): New function.
24714 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24715 over the entire list.
24716 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24717 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24718 (mvs_add_alias, mvs_need_alias): New functions.
24719 (mvs_get_alias, mvs_check_alias): New functions.
24720 (handle_pragma): New function.
24721 (mvs_function_check): New function.
24722 (unsigned_jump_follows_p): Search harder.
24723 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24724 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24725 * i370.h (TARGET_VERSION): Delete.
24726 (CPP_SPEC, CPP_PREDEFINES): Delete.
24727 (mvs_label_emitted): Delete.
24728 (TARGET_EBCDIC): Delete.
24729 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24730 (HANDLE_PRAGMA): Define.
24731 (HARD_REGNO_NREGS): Handle complex modes.
24732 (HARD_REGNO_MODE_OK): Likewise.
24733 (CLASS_MAX_NREGS): Likewise.
24734 (RET_REG): Likewise.
24735 (EXTRA_CONSTRAINT): Define.
24736 (RETURN_IN_MEMORY): True for DImode.
24737 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24738 (FUNCTION_PROFILER): Delete.
24739 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24740 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24741 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24742 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24743 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24744 (ASM_FILE_START): Add "RMODE ANY".
24745 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24746 (ASM_GLOBALIZE_LABEL): Likewise.
24747 (ASM_OUTPUT_LABELREF): Likewise.
24748 (ASM_OUTPUT_COMMON): Likewise.
24749 (PRINT_OPERAND): Handle 'K', 'W', default.
24750 (PRINT_OPERAND_ADDRESS): New.
24751 (Lots of defines): Add support for TARGET_ELF_ABI.
24752 * i370.md (attr length): New. Define for all patterns.
24753 (*): Lots of tweeks to assembly output and constraints.
24755 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24757 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24758 Disable patterns performing SImode comparisons with SImode values
24759 if TARGET_POWERPC64 and instruction does not sign-extend or does
24760 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24761 differ for signed quantities.
24762 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24763 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24764 (decrement_and_branch_on_count): Add 64-bit variant.
24766 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24768 * final.c (output_asm_insn): When searching for the matching string
24769 for a given dialect, don't run past the end of the list of
24770 alternatives if there are fewer alternatives in the template than
24773 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24775 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24776 Removed paragraph about compression of files and size limitation,
24777 duplicated in the FAQ. Use gcc-patches for posting patches.
24778 * gcc.c (main): Updated URL with bug reporting instructions to
24779 gcc.gnu.org. Removed e-mail address.
24780 * system.h (abort): Likewise.
24782 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24784 * Makefile.in (stmp-multilib-sub): Make the files extracted
24785 from $(LIBGCC1) writable.
24787 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24789 * config/arm/aout.h: Reformat for improved readability.
24791 * config/arm/arm.h: Reformat for improved readability.
24792 Replace uses of fprintf with asm_fprintf where appropriate.
24793 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24794 function declaration assembler actions.
24795 (NUM_INTS): New macro: Convert from bytes to words.
24796 (NUM_REGS): New macro: Compute number of registers required to
24797 hold a quanitity of tyep MODE.
24798 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24800 (NUM_ARG_REGS): New macro: The number of argument registers
24802 (ARG_REGISTER): New macro: Compute the register number of the Nth
24804 (LAST_ARG_REGNUM): New macro: The number of the last argument
24806 (SP_REGNUM): New macro: Register number of the stack pointer.
24807 (FP_REGNUM): New macro: Register number of the frame pointer.
24808 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24809 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24810 CUMULATIVE_ARGS so that it counts registers not bytes.
24812 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24814 Replace uses of fprintf with asm_fprintf where appropriate.
24815 (output_ascii_pseudo_op): Replace with version from thumb.c
24817 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24819 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24820 SUBTARGET_CPP_SPEC.
24821 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24822 (ASM_FILE_START): Emit ASM_APP_OFF.
24824 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24826 * pa.c (compute_frame_size): Round frame according to
24827 STACK_BOUNDARY rather than a hardwired value.
24829 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24831 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24833 * configure: Rebuilt.
24835 * configure.in (hppa*-*-linux*): New configuration.
24836 * configure: Rebuilt.
24837 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24838 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24839 * pa/pa-linux.h: New file.
24840 * pa/t-linux: New file.
24841 * pa/xm-linux.h: New file.
24843 * pa.c (hppa_legitimize_address): Change references from SImode to
24844 either Pmode or word_mode as appropriate.
24845 (emit_move_sequence, store_reg, load_reg): Likewise.
24846 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24847 (output_mul_insn): Likewise.
24848 * pa.h (PROMOTE_MODE): Likewise.
24849 (INITIALZE_TRAMPOLINE): Likewise.
24850 (Pmode): Define to word_mode.
24852 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24853 value of 4. Allocate 8 bytes for each FP register save.
24854 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24856 (hppa_expand_prologue): Likewise.
24857 * pa.h (PROMOTE_MODE): Likewise.
24858 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24859 (FUNCTION_ARG_BOUNDARY): Likewise.
24861 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24863 * pa.c (out_of_line_prologue_epilogue): Delete.
24864 (override_options): Remove -mspace related code.
24865 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24866 (compute_frame_size): Only allocate space for register that
24867 actually need to be saved.
24868 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24869 (TARGET_SWITCHES): Remove -mspace, -mno-space
24870 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24871 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24872 * pa/ee.asm, pa/ee_fp.asm: Delete.
24874 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24876 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24877 directive in column zero.
24879 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24881 * m68k.c (output_function_prologue): Fix computation of save mask
24882 when generating PIC code.
24884 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24886 * tree.c (build_type_attribute_variant): Move current_obstack restore
24887 after build_qualified_type call.
24889 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24891 * configure.in: Use t-iris6, even with GNU LD.
24892 * config/mips/iris6gld.h: Fix typo in linker spec.
24893 * config/mips/t-iris6gld: Remove.
24895 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24897 * rs6000.md (insv, extzv): Remove SImode dependence in named
24898 patterns. Explicitly generate DImode RTL if PowerPC64 and
24900 (insvdi): Reverse start and size in instruction template.
24902 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24904 * invoke.texi: Typo fixes.
24906 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24908 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24909 handle at this time instead of silently generating incorrect code.
24910 (gen_imagpart): Likewise.
24912 * reload.c (find_reloads): Emit a USE for a pseudo register without
24913 a hard register if we could not create an optional reload for the
24916 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24918 * c-typeck.c (output_init_element, process_init_element):
24919 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24920 check for nameless bit fields.
24922 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24924 * regclass.c (scan_one_insn): Notice subregs that change the
24925 size of their operand.
24926 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24928 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24930 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24931 * configure: Rebuilt.
24932 * alpha/t-ieee: New file.
24934 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24936 * rs6000.c (find_addr_reg): Do not select r0 as an address
24939 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24941 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24943 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24945 * rs6000.md (movsf): Do not force easy FP constants into memory.
24947 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24948 immed_double_const to ensure they are properly truncated then
24951 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24953 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24954 always unless NO_DEBUG is used. Compile this code
24956 (replace_symbols_in_block): Compile it unconditionally.
24958 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24960 * configure.in (i?86-*-elf*): New target.
24961 * configure: Rebuilt.
24962 * i386/i386elf.h, i386/t-i386elf: New files.
24964 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24966 * toplev.c (main): Don't complain about saying -gdwarf.
24967 (rest_of_compilation): Remove redundant code.
24969 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24971 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24973 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24975 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24976 "Li960R:", to avoid name clash.
24978 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24980 * loop.c (check_dbra_loop): When reversing a loop, delete all
24981 REG_EQUAL notes referencing the reversed biv except those which are
24982 for a giv based on it.
24984 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24986 * version.c: Drop "gcc-" prefix from version #.
24988 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24990 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24991 the label if we're being verbose.
24993 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24995 * m68k.c (output_function_prologue): Add pic register to mask
24996 if live and flag_pic.
24997 (output_function_epilogue): Likewise.
24999 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25001 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25002 directives in column zero.
25004 * pa/elf.h (ASM_FILE_START): Define.
25005 * pa/som.h (ASM_FILE_START): Include .level directives.
25006 * pa/hpux10.h (ASM_FILE_START): Delete.
25007 * pa/hpux11.h (ASM_FILE_START): Delete.
25009 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25011 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25013 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25014 when reload_out equals reload_in.
25016 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25018 * invoke.texi (Spec Files): New node: Describe the contents of
25021 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25023 * invoke.texi (DEC Alpha Options): Put @end table at
25024 beginning of line, to avoid confusing texi2html.
25026 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25028 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25029 introduced in previous delta.
25031 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25033 * reload1.c (gen_reload): When synthesizing a 3 operand add
25034 sequence, improve test for when to reload OP1 into the reload
25035 register instead of OP0.
25037 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25039 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25041 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25043 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25046 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25048 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25049 (va_dcl): Use __builtin_va_alist_t.
25051 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25053 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25054 on the permanent_obstack.
25055 * dwarfout.c (output_type): Likewise.
25057 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25059 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25060 Merged from c-typeck.c and cp/typeck.c.
25061 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25062 Merged into c-common.
25064 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25066 * c-lex.c (errorcount): Declare it.
25067 (finish_parse): Update errorcount when using CPPLIB.
25069 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25071 * fixinc/inclhack.def(end_else_label): Double the backslash so
25072 sed gets a chance to see it.
25073 * fixinc/inclhack.sh: regen
25074 * fixinc/fixincl.x: regen
25076 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25078 Add framework to support armv5 architecture when it becomes
25081 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25082 (arm_arch5): New variable.
25083 (all_architectures): Add armv5 line.
25084 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25085 -march=armv5 is specified on the command line.
25086 (arm_arch5): Export this variable.
25087 * invoke.texi: Document new string accepted by -march= switch for
25090 * config/arm/arm.h: Replace use of constant 12 as a register
25091 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25092 * config/arm/arm.c: Replace use of constant 12 as a register
25093 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25095 * config/arm/elf.h: Tidy up.
25096 * config/arm/coff.h: Tidy up.
25098 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25100 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25101 * gcc/config/mips/t-iris6gld: New file.
25102 * gcc/config/mips/iris6gld.h: Likewise.
25104 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25106 * c-decl.c (widest_integer_literal_type_node,
25107 widest_unsigned_literal_type) : New.
25108 (init_decl_processing): Handle/use the two new types.
25109 * c-common.c (type_for_size,type_for_mode) : Same.
25110 * c-lex.c (yylex) : Same.
25111 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25113 * c-tree.h (widest_integer_literal_type_node,
25114 widest_unsigned_literal_type) : New.
25116 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25118 * dwarfout.c (field_byte_offset): Correctly compute the object's
25119 byte offset for the first bit of a field which crosses an alignment
25120 boundary on a !BYTES_BIG_ENDIAN target.
25122 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25124 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25127 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25128 Jeff Law <law@cygnus.com>
25130 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25133 * except.c: Include intl.h.
25134 (expand_eh_return): Set current_function_cannot_inline.
25135 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25136 * function.h (struct function): Add eh_return_stub_label.
25137 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25138 * Makefile.in (except.o): Depend on intl.h.
25140 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25142 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25143 same as offsettable in cases 1 and 2.
25145 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25147 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25148 (extlh, extwh): Likewise.
25150 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25152 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25154 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25156 * configure.in: Add arm-pe and thumb-pe targets.
25157 * configure: Regenerate.
25159 * thumb.c (arm_naked_function_p): New function: Determines if
25160 a function is naked (has no gcc generated prologue/epilogue).
25161 (is_called_in_ARM_mode): Return true if the func has the
25162 interfacearm attribute.
25163 (output_return): Do not generate a return for naked functions.
25164 (thumb_function_prologue): Do not generate a prologue for
25166 (thumb_expand_prologue): Do not generate a prologue for naked
25168 (thumb_expand_epilogue): Do not generate an epilogue for naked
25170 (arm_valid_machine_decl_attribute): New function, copied from
25171 arm.c: Permit naked and interfacearm attributes.
25173 * config/arm/pe.c: New file: Support code for arm-pe target.
25174 * config/arm/pe.h: New file: Header file for arm-pe target.
25175 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25176 * config/arm/t-thumb-pe: New file: Makefile fragment for
25179 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25181 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25182 -fPIC or -fpic is specified.
25184 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25186 * expr.c (emit_block_move): Use copy_to_mode_reg for
25187 !TARGET_MEM_FUNCTIONS case too.
25189 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25191 * configure: Rebuilt.
25192 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25193 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25194 definitions made redundant by dbxelf.h inclusion. Delete
25195 lots of definitions related to assembly output that are
25196 specific to the SOM object format.
25197 * pa.c (output_function_prologue): Do not emit the function's
25199 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25200 * pa-pro.h: Deleted.
25201 * som.h: New file with SOM specific definitions.
25202 * elf.h: New file with ELF specific definitions.
25204 * elfos.h (const_section): Output a tab before assembler directives.
25205 (ctors_section, dtors_section): Likewise.
25206 (ASM_OUTPUT_SECTION_NAME): Likewise.
25208 * pa/pa1.h: Delete unused file.
25210 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25212 * configure.in (hppa*-hp-hpux11*): New configuration.
25213 * configure: Rebuilt.
25214 * pa/pa-hpux11.h: New file.
25215 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25218 * mips.md (leasi, leadi): New patterns.
25220 * expr.c (emit_block_move): Properly handle case where one of the
25221 block move arguments has a queued increment or decrement.
25222 (clear_storage): Similarly. Fix formatting goof.
25224 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25226 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25227 semicolon from the BSD VA_LIST replacement expression.
25229 * fixinc/inclhack.sh: regen
25230 * fixinc/fixincl.x: regen
25232 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25233 now use the fixincl program.
25235 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25237 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25238 case. Also make the PIC register call_used.
25240 * m68k.h (FINALIZE_PIC): Delete.
25241 * m68k.c (finalize_pic): Delete.
25243 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25245 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25248 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25250 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25252 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25254 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25256 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25258 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25260 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25262 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25264 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25266 * rs6000.c (output_toc): Always use hex values for floating-point
25267 constants. Store single-precision values in upper-half of TOC
25268 entry in 64-bit mode.
25269 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25270 to final constraints.
25271 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25272 (fctiwz): Improve accuracy of RTL for pattern.
25274 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25276 * expr.c (expand_expr): Allow RTL_EXPR's through the
25277 MAX_INTEGER_COMPUTATION_MODE checks.
25279 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25281 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25282 such that MASK_SUPPORT_ARCH is not negative.
25284 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25286 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25287 ADDR_DIFF_VEC insns that appear inside loops.
25289 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25290 Jeff Law <law@cygnus.com>
25292 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25293 Handle LO_SUM the same as offsettable in cases 1 and 2.
25294 * rs6000.c (find_addr_reg): Revert previous patch.
25296 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25298 * system.h (strstr): New external function declaration.
25299 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25300 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25301 * config.in, configure: Rebuilt.
25303 1999-06-24 Tom Tromey <tromey@cygnus.com>
25305 * gcc.c (main): Read user-specified specs files after computing
25306 additional startfile_prefixes.
25308 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25310 Revert these two patches:
25312 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25313 * loop.c (strength_reduce): When doing biv->giv conversion, update
25314 reg note of NEXT->insn.
25316 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25317 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25319 (recombine_givs): Set ix field after sorting.
25321 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25323 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25324 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25326 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25328 *fixinc/inclhack.def: Add fix development commentary
25329 (read_ret_type): reactivate and add selection clause
25330 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25331 *fixinc/{fixincl.x|inclhack.sh}: regen
25333 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25335 * expr.c (expand_expr): STRIP_NOPS before checking against
25336 MAX_INTEGER_COMPUTATION_MODE
25337 (check_max_integer_computation_mode): Likewise.
25339 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25341 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25343 1999-06-22 Jim Wilson <wilson@cygnus.com>
25345 * expr.c (store_expr): When target is a promoted subreg, return a
25346 promoted subreg as a result.
25348 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25350 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25352 (dwarf2out_define): Mark unused parameters appropriately.
25353 (gen_unspecified_parameters_die): Ditto.
25354 (gen_subprogram_die): Fix signed/unsigned warnings.
25355 (gen_variable_die): Ditto.
25357 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25359 * fixinc/inclhack.def(end_else_label): combined else_label
25360 and endif_label and fixed the sed expression.
25361 *fixinc/{fixincl.x|inclhack.sh}: regen
25363 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25365 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25366 'x' when handling non-offsettable addresses
25368 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25370 * final.c (shorten_branches): Don't try to split an insn that has
25373 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25375 * config/mips/mips.c (symbolic_expression_p): New function.
25376 (mips_select_rtx_section): Put symbolic expressions in the
25377 data section, not the read-only data section.
25379 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25381 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25383 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25385 * collect2.c (main): Log frame table count.
25386 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25387 (scan_prog_file) [COFF]: Handle frame tables.
25389 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25390 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25391 * alpha/elf.h: Undef them again.
25392 * alpha/vms.h: Remove their definitions.
25394 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25396 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25397 remove the clobber of r0 and change the REG_UNUSED note to
25400 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25402 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25403 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25404 fits in HOST_WIDE_INT and one uses union to access a long constant
25407 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25409 * sparc.c (sparc_override_options): Don't allow profiling for
25410 code models other than medlow.
25411 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25412 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25413 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25414 (sparc_block_profiler): Likewise.
25415 (sparc_function_block_profiler_exit): Likewise.
25416 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25417 (FUNCTION_BLOCK_PROFILER): Likewise.
25418 (BLOCK_PROFILER): Likewise.
25419 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25420 (MCOUNT_FUNCTION): New.
25421 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25422 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25423 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25424 (MCOUNT_FUNCTION): New.
25425 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25426 (BLOCK_PROFILER): Delete.
25427 (MCOUNT_FUNCTION): New.
25429 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25431 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25433 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25435 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25438 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25441 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25444 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25447 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25449 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25452 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25454 * i386/djgpp.h (LIB_SPEC): New.
25455 (STARTFILE_SPEC): New.
25457 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25459 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25461 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25464 * system.h (WSTOPSIG): New macro.
25466 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25468 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25470 (insert_pack_attributes): Take into account member natural
25473 * i386/winnt.c (exports_head): New static variable.
25474 (i386_pe_record_exported_symbol): New function.
25475 (i386_pe_asm_file_end): Use.
25476 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25477 symbols to be emitted at end of assembly.
25478 (ASM_DECLARE_OBJECT_NAME): Likewise.
25479 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25481 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25484 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25486 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25489 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25491 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25492 zapping reg_last_uses directly.
25493 (sched_analyze_2, sched_analyze_insn): Likewise.
25494 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25496 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25498 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25499 attributes for cases 1 and 2.
25501 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25503 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25506 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25508 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25510 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25512 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25513 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25514 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25515 must be stacked if it is used for PIC accesses.
25516 * arm.c (use_return_insn): Handle PIC register specially.
25517 (output_return_instruction): Likewise.
25518 (output_func_{prologue,epilogue}): Likewise.
25519 (output_expand_prologue): Likewise.
25521 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25522 (*strsi_predec): Renamed from *strqi_predec.
25523 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25524 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25526 * arm.c (arm_override_options): Remove warning about PIC code
25527 not being supported.
25529 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25531 * rs6000.c (find_addr_reg): New function.
25532 * rs6000.h (find_addr_reg): Declare.
25533 (offsettable_addr_operand): Delete.
25534 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25535 from and stores to GPRs.
25537 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25539 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25540 gen_sequence as argument to emit_no_conflict_block.
25542 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25544 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25545 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25546 *fixinc/fixincl.x: regen
25547 *fixinc/inclhack.sh: regen
25549 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25551 * added support for -mpcrel (PC relative addressing for m68k)
25552 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25553 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25554 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25555 (comments for general_src_operand): Add some explanation
25556 about EXTRA_CONSTRAINTS.
25557 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25558 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25559 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25560 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25561 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25562 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25563 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25564 if not already set.
25565 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25566 * m68k.h (TARGET_PCREL): New target flag.
25567 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25568 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25569 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25570 contains a SYMBOL_REF. Relax this constraint during reload, since
25571 we want to use the predicates, not reload's built-in concept of a
25572 valid memory address, to control what insns need reloading.
25573 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25574 operands (essentially 'g', 'm', and 's' under normal circumstances).
25575 * m68k.c (print_operand): Cause printing of pc-relative addresses
25576 to include pc register.
25577 (print_operand_address): Ditto.
25578 (general_src_operand): Accept operands that are not only
25579 general_operands, but are also valid when used as a pc-relative
25581 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25582 (memory_src_operand): Similar, for memory_operands.
25583 (pcrel_address): New predicate to accept the special case of a
25584 pc-relative address.
25585 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25586 QImode insns to accept *_src_operand instead of *_operand where
25587 pc-relative operands can fit. For example, a pc-relative operand
25588 can be used as a memory source operand for addsi3, but not as a
25589 memory destination.
25590 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25592 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25594 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25595 .thumb_set pseudo op to mark aliases of thumb functions.
25597 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25599 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25600 preference to ASM_OUTPUT_DEF, if it is defined.
25602 * tm.texi: Document new, optional target macro
25603 ASM_OUTPUT_DEF_FROM_DECLS.
25605 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25607 * fixincludes: ISCNTL patch
25608 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25609 (dgux_int_varargs): new for DG/UX
25610 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25612 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25614 * invoke.texi (ia32 options): Fix typo.
25616 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25618 * loop.c (strength_reduce): When doing biv->giv conversion, update
25619 reg note of NEXT->insn.
25621 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25623 * loop.c (move_movables): Note issues with replacing REGs with
25625 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25627 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25629 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25631 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25632 the reference to `mcount' was not correct for the ELF on FreeBSD.
25634 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25636 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25639 (recombine_givs): Set ix field after sorting.
25641 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25643 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25644 to safe to extract a subword out of a REG.
25646 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25648 * sh.md (mulsi3): Don't add a no-op move at the end.
25650 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25652 * cse.c (cse_insn): Don't put hard register source into tables for
25653 the last insn of a libcall.
25655 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25657 * loop.c (strength_reduce): Insert sets of derived givs at every
25658 biv increment, even if it's the only one.
25660 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25662 * dwarfout.c (add_incomplete_type): New fn.
25663 (output_type): Call it.
25664 (retry_incomplete_types): New fn.
25665 (dwarfout_finish): Call it.
25667 From Eric Raskin <ehr@listworks.com>:
25668 (output_type): Output types for bases.
25670 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25672 * mips.c (mips_output_conditional_branch): Add `break'
25673 between `default' label and `close braces'.
25675 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25677 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25678 specifications and make it realistic.
25679 (LIB_SPEC): Likewise.
25681 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25683 * config/mips/mips.c (mips_secondary_reload_class): Check for
25684 (PLUS (SP) (REG)) and return appropriate register class.
25685 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25686 Handle (PLUS (SP) (REG)).
25687 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25688 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25689 of emit_insn for tablejump.
25691 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25693 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25694 asm_fprintf format string by itself.
25695 (output_function_profiler): Likewise.
25697 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25699 * combine.c (simplify_logical, case AND): Only call
25700 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25701 or the constant is positive.
25703 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25705 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25706 * configure: Regenerate.
25708 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25710 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25711 require a sub-version #.
25712 * configure: Rebuilt.
25714 1999-06-14 Robert Lipe (robertlipe@usa.net)
25716 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25718 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25720 * c-typeck.c (process_init_element): Detect excess elements in
25721 char array initializer.
25723 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25725 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25727 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25729 * invoke.texi (Option Summary): Add -fpermissive flag.
25731 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25733 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25734 that require PIC code sequences.
25736 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25738 * configure.in: Add new target: thumb-elf.
25739 * configure: Regenerate.
25740 * config/arm/t-thumb-elf: New file: Makefile fragment for
25742 * config/arm/telf.h: New file: Header file for thumb-elf
25745 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25747 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25748 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25749 initializers is some circumstances.
25751 * fixinc/inclhack.def (endif_label): Add additional selector for
25752 more bogus stuff after #endif statements.
25753 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25755 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25757 * i386/cygwin.h (SET_ASM_OP): Define.
25759 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25761 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25763 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25765 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25768 * sh.md (ic_invalidate_line_i): Remove second alternative.
25770 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25772 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25773 test for the presence of valid prototypes. Delete bypass expr.
25774 (ioctl_fix_ctrl): Correct the selection expression.
25775 (no_double_slash): Correct quoting rules
25776 *fixinc/fixincl.x: regen
25777 *fixinc/inclhack.sh: regen
25779 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25781 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25783 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25785 * rs6000.md (movsi_got_internal_mem): Delete.
25786 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25787 (GOT_TOC_REGNUM): Delete.
25788 (PIC_OFFSET_TABLE_REGNUM): Define.
25789 (FINALIZE_PIC): Disable.
25790 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25791 (rs6000_replace_regno): Delete.
25792 (rs6000_finalize_pic): Likewise.
25793 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25795 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25797 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25798 is a note; use <= for the compare; advance P while it is
25801 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25803 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25804 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25806 * varasm.c (remove_from_pending_weak_list): Verify t->name
25807 is non-NULL before passing it to strcmp.
25809 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25811 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25812 the typed arguments are not part of a comment
25813 (ioctl_fix_ctrl): Added a purpose comment
25814 *fixinc/fixincl.x: regenerate
25815 *fixinc/inclhack.sh: regenerate
25817 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25819 * invoke.texi: Add C4x invocation docs.
25821 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25823 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25825 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25827 (c4x_legitimize_reload_address): New function.
25828 * config/c4x/c4x.md: Update docs.
25830 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25832 * fixincludes: Avoid removing '.'.
25833 * fixinc/fixinc.svr4: Likewise.
25834 * fixinc/fixinc.winnt: Likewise.
25835 * fixinc/inclhack.tpl: Likewise.
25836 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25838 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25840 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25842 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25844 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25846 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25849 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25851 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25852 * configure: Regenerate.
25854 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25856 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25859 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25861 * fixinc/inclhack.def (avoid_bool): Also catch
25862 "typedef [unsigned] int bool".
25863 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25865 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25866 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25867 * configure: Rebuilt.
25869 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25871 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25872 such that we can override its definitions if necessary.
25873 (CPP_SPEC): New define. Support processor specific predefines via
25875 (CC1_SPEC): New define. Support processor specific compiler
25876 options via %(cc1_cpu).
25877 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25880 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25882 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25883 between sed's -e flag, and the open-quote following it.
25884 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25886 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25887 Jeffrey A Law (law@cygnus.com)
25889 * varasm.c (assemble_start_function): Remove the function
25890 from the pending weak decls list when we define a function.
25891 (assemble_variable): Similarly for variables.
25892 (weak_finish): Ignore items on the list with a NULL name.
25893 (remove_from_ending_weak_list); New function to "remove" an item
25894 from the pending weak declarations list.
25896 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25898 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25900 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25902 * c-lex.c (GETC): Redefine to call getch.
25903 (UNGETC): Redefine to call put_back.
25904 (putback_buffer): New structure type.
25905 (putback): New static structure.
25906 (getch): New function.
25907 (put_back): New function.
25908 (yylex): Replace unused bytes from bad multibyte character.
25910 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25912 * cpplib.c (do_define): Cast `alloca' return value.
25913 (do_include, do_undef, do_pragma): Likewise.
25914 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25916 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25917 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25919 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25921 * sparc.md (abstf2): This should be an expand.
25922 (split after abstf2_notv9): Fix mode.
25923 (abstf2_hq_v9): New pattern.
25924 (abstf2_v9): Only use when no hard quad.
25925 (absdf2_v9): Fix if target is not the same as source.
25926 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25927 Add correct output constraints.
25929 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25931 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25932 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25934 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25936 * mips.h (mips_output_conditional_branch): New function.
25937 (mips_adjust_insn_length): Likewise.
25938 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25939 (ADJUST_INSN_LENGTH): Likewise.
25940 * mips.c (print_operand): Add `F' and `W' for floating-point
25941 comparison opcodes.
25942 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25944 (mips_adjust_insn_length): New function.
25945 (mips_output_conditional_branch): New function.
25946 * mips.md (length): Adjust attribute definition to handle
25947 conditional branches. Change lengths to bytes, rather than
25948 instructions throughout. Remove length attribute from
25949 instructions whose length is four bytes, and rely on the default
25951 (dslot): Fix typo in comment.
25952 Reword conditional branch patterns to use
25953 mips_output_conditional_branch.
25955 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25957 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25958 (LIB_SPEC): Likewise.
25959 Link with -lprof1_r for -g/-pg.
25961 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25963 * loop.c (check_dbra_loop): Fix change of Jan 19.
25965 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25967 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25968 (STARTFILE_SPEC): Define, override the svr4.h version.
25969 (ENDFILE_SPEC): Likewise.
25971 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25973 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25974 * fixinc/fixincl.x: Regenerated.
25975 * fixinc/inclhack.sh: Regenerated.
25977 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25979 * sh.c (barrier_align): Don't return early for normal branch/barrier
25980 when optimizing for SH2.
25982 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25984 * i386/udk.h (LINK_SPEC): Correct linker search path for
25987 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25989 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25990 (braf_label_ref_operand): Delete.
25991 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25992 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25993 label_ref, and has no predicate.
25994 The patten has a predicate to guard against invalid substitutions.
25995 (dummy_jump): Delete.
25996 (casesi): Update use of casesi_jump_2.
25998 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26000 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26001 *fixinc/fixincl.x: regenerate
26002 *fixinc/inclhack.sh: regenerate
26004 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26006 * dwarf2out.c (add_incomplete_type): New fn.
26007 (gen_struct_or_union_type_die): Call it.
26008 (retry_incomplete_types): New fn.
26009 (dwarf2out_finish): Call it.
26011 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26013 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26014 current block starts with a CODE_LABEL and ends with a CALL and
26015 we can not find all the argument setup instructions for the CALL.
26017 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26019 Revert this change:
26020 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26021 something is a candidate for optimize_bit_field_compare.
26023 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26025 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26027 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26029 * alpha.c (override_options): Thinko in last patch.
26031 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26032 (LIB_SPEC): Recognize -pthread.
26034 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26036 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26037 definition in config/arm/coff.h
26038 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26040 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26042 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26043 fixes that need "file=xxx\n" prepended before invocation
26044 (start_fixer - new): starting the fixer process is complex enough
26045 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26046 (process): uses the new routine; omit usage of putenv()
26047 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26048 * fixinc/fixincl.x: regenerate
26050 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26052 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26053 and version #s (1.1 -> 2.96) as needed.
26054 * README.g77: Kill way out of date file in the toplevel directory.
26056 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26058 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26059 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26060 * configure: Rebuilt.
26061 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26062 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26063 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26064 (SWITCH_TAKES_ARG): Likewise.
26065 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26066 * config/t-freebsd: Moved from config/i386/ so it can used for all
26069 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26071 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26073 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26075 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26076 * configure: Rebuilt.
26078 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26080 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26081 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26082 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26083 (rs6000_output_load_toc_table): Same.
26084 (output_prolog, output_mi_thunk): Same.
26085 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26086 (ASM_GLOBALIZE_LABEL): Use putc.
26088 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26090 * alpha.md (reload_*_help): New patterns and splitters.
26091 (reload_*): Use them.
26092 (mov[qh]i): Likewise.
26094 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26096 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26099 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26101 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26103 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26105 * flow.c (mark_regs_live_at_end, insn_dead_p,
26106 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26107 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26108 hasn't run or the frame pointer is needed.
26109 * haifa-sched.c (attach_deaths): Likewise.
26110 * sched.c (attach_deaths): Likewise.
26112 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26114 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26115 calculate_can_reach_end returns nonzero.
26117 * configure.in (native gas tests): Search for an assembler in the
26118 same manner that the installed compiler will.
26119 * configure: Rebuilt.
26120 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26122 * alias.c (find_base_term): Improve handling of addresses
26123 constructed from binary operations.
26125 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26127 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26129 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26131 * function.h (cleanup_label, frame_offset): Declare.
26132 (tail_recursion_label, tail_recursion_reentry): Likewise.
26133 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26134 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26135 (tail_recursion_label, tail_recursion_reentry): Likewise.
26136 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26138 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26140 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26142 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26143 (MAX_OFILE_ALIGNMENT): Define.
26145 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26147 * fixincl.c: Replace local include scheme with #includes of
26148 gansidecl.h and system.h.
26149 * procopen.c: Likewise.
26150 * server.c: Likewise.
26152 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26154 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26155 (crti.o): Add build rule and dependencies.
26156 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26158 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26160 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26161 (LIB_LINUX_SPEC): Likewise.
26162 (LIB_LINUX_SPEC): Add support for -pthread
26163 (CPP_OS_LINUX_SPEC): Likewise.
26164 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26167 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26169 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26171 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26172 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26173 for IEEE math and CC_FCOMI.
26174 (put_jump_code): No IEEE if CC_FCOMI is set.
26176 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26178 * fold-const.c (fold_truthop): Make the field reference unsigned
26179 when converting a single bit compare.
26181 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26183 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26185 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26187 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26188 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26191 * reload.c (push_reload): Do not call remove_address_replacements
26192 when presented with identical optional reloads.
26194 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26196 * alpha.h (MASK_FIX, TARGET_FIX): New.
26197 (MASK_*): Reorganize constants.
26198 (CPP_AM_FIX_SPEC): New.
26199 (TARGET_SWITCHES): Add FIX.
26200 (EXTRA_SPECS): Likewise.
26201 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26202 (SECONDARY_MEMORY_NEEDED): Likewise.
26203 (REGISTER_MOVE_COST): Likewise.
26204 * alpha.c (override_options): Add FIX support. Always use
26205 ALPHA_TP_PROG for ev6.
26206 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26207 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26208 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26210 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26212 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26213 something is a candidate for optimize_bit_field_compare.
26215 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26217 * gcc.texi (Passes): Document branch-shortening.
26218 * invoke.texi (Debugging Options): Document the fact that `-dp'
26219 outputs length information for instructions.
26221 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26223 * flow.c: Revert previous delta.
26225 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26227 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26228 FRAME_POINTER_REGNUM.
26229 (mark_set_1): Ditto.
26230 (mark_used_regs): Ditto.
26232 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26234 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26235 (GOT_PCREL): New macro. Define to 1 if not already defined.
26236 * arm/elf.h (GOT_PCREL): Define to 0.
26237 * arm.c (arm_finalize_pic): Take into account the setting of
26240 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26242 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26243 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26245 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26246 store elimination candidates.
26248 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26250 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26253 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26255 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26256 Add use of x-aix41-gld.
26258 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26260 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26261 (ASM_OUTPUT_DESTRUCTOR): Define.
26263 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26265 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26266 last CODE_LABEL in a loop if we have previously passed a jump
26267 to the top of the loop.
26269 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26271 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26272 applying Philip's patch.
26274 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26276 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26279 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26281 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26283 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26285 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26286 Also remove a useless comment.
26288 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26290 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26292 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26294 * collect2.c (main): Only generate import or export file and add
26295 to link arguments if non-empty. Use xmalloc not alloca.
26296 (write_{export,import}_file): Delete.
26297 (write_aix_file): New function.
26298 (locatelib): Use xmalloc not malloc.
26299 (GCC_OK_SYMBOL): Do not check type if aix64.
26301 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26303 Based on patch by Scott Bambrough and Pat Beirne:
26304 * config/arm/arm.c (making_const_table): New variable.
26305 * config/arm/arm.h (making_const_table): Declare.
26306 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26308 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26309 Keep track of when we are building the constant table.
26311 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26313 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26316 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26318 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26321 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26323 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26326 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26328 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26330 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26332 * rs6000.c (output_mi_thunk): Enable full support again.
26334 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26336 * sh.h (BRANCH_COST): Define.
26338 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26340 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26342 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26344 * function.c (assign_stack_local): Align stack slot propertly.
26345 (assign_outer_stack_local): Likewise.
26347 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26349 * expr.h (lang_expand_constant): Declare.
26350 * toplev.c (lang_expand_constant): Define it.
26351 * varasm.c (output_constant): Use it.
26353 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26355 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26356 Change function definitions to K&R style.
26358 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26360 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26362 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26364 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26365 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26366 (several places): omit static initialization
26367 (process): use single fd, since only the read fd is used
26368 * fixinc/gnu-regex.c: define 'const' away, if not supported
26369 * fixinc/procopen.c(several places): omit static initialization
26370 * fixinc/server.c: define 'volitile' away, if not supported
26372 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26374 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26375 asm_fprintf and %L to generate the label name.
26376 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26377 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26379 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26381 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26382 insn for a conditional jump can not be found.
26384 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26386 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26387 on variables in specific sections other than .sbss and .sdata.
26389 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26391 * stmt.c (expand_return): Call start_cleanup_deferral and
26392 end_cleanup_deferral around conditional code.
26394 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26396 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26397 filename lists. Utilizes new "krstr" AutoGen function.
26398 * fixinc/fixincl.x: Rebuilt.
26400 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26402 * i386.c (output_float_compare): Avoid GNU-C extensions.
26404 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26406 * version.c: Bump to distinguish mainline tree from the
26409 See ChangeLog.1 for earlier changes.