1 2000-05-01 Richard Henderson <rth@cygnus.com>
3 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
8 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
10 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
12 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
15 2000-05-01 Richard Henderson <rth@cygnus.com>
17 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
18 emit_conditional_move.
20 2000-05-01 Jakub Jelinek <jakub@redhat.com>
22 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
23 as the dynamic linker.
25 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
27 * cppfiles.c (open_include_file): Open file in blocking mode.
28 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
29 Only exclude block devices and directories.
31 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
32 static. Allocate the hashnode and its string in the same
34 (del_HASHNODE): Don't free h->name.
35 (_cpp_lookup): If there is no entry for this string, create
37 (_cpp_lookup_slot): Delete.
38 * cpphash.h: Update prototypes.
40 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
42 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
43 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
44 node here, just fill in the value field properly. "Delete"
45 entries by setting the value field to T_VOID. Check for
46 hp->type == T_VOID, not hp == NULL.
48 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
49 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
52 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
54 * config/mn10300/mn10300.c (print_operand_address): Do not add
57 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
58 adjusted by less than 256 bytes, use ret regardless of having any
59 callee-saved register to restore.
61 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
63 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
65 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
67 * config/i386/djgpp.h (INT_ASM_OP): Define.
68 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
69 (ASM_WEAKEN_LABEL): Define.
70 (MASK_BNU210): Define.
71 (SUBTARGET_SWITCHES): Define.
72 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
73 (MAKE_DECL_ONE_ONLY): Define.
74 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
76 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
78 * i386/cygwin.h (INT_ASM_OP): Define.
80 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
82 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
83 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
85 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
87 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
88 __tmp_reg__ and __zero_reg__ initialization.
90 2000-04-30 Richard Henderson <rth@cygnus.com>
92 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
94 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
95 referenced bewteen the condition and the jump. Don't delete
96 anything but the jump.
98 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
100 * bb-reorder.c (scope_def): New struct.
101 (scope_forest_info): New struct.
102 (struct reorder_block_def): New member "scope".
103 (REORDER_BLOCK_SCOPE): New macro.
104 (relate_bbs_with_scopes): New function and prototype.
105 (make_new_scope): Likewise.
106 (build_scope_forest): Likewise.
107 (remove_scope_notes): Likewise.
108 (insert_intra_1): Likewise.
109 (insert_intra_bb_scope_notes): Likewise.
110 (insert_inter_bb_scope_notes): Likewise.
111 (rebuild_scope_notes): Likewise.
112 (free_scope_forest_1): Likewise.
113 (free_scope_forest): Likewise.
114 (dump_scope_forest): Likewise.
115 (dump_scope_forest_1): Likewise.
116 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
117 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
119 (reorder_basic_blocks): Added calls to build_scope_scope_forest
120 and remove_scope_notes before reordering is done. Added calls to
121 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
122 after reordering is done.
124 2000-40-30 Bruce Korb <bkorb@gnu.org>
126 * fixinc/inclhack.def: Added definitions needed by OSR5,
127 removed two stale entries (defined away with OLD_CPP).
128 * fixinc/inclhack.sh: regen
129 * fixinc/fixincl.x: regen
131 2000-04-30 Richard Henderson <rth@cygnus.com>
133 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
134 from the last insn in the sequence.
136 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
138 * cpplex.c (cpp_idcmp): New function.
139 * cpplib.h: Prototype it.
140 * scan_decls.c (scan_decls): Use it to inspect token names.
141 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
142 the file being run through the preprocessor.
143 (check_macro_names): Provide length of token to cpp_defined.
145 * Makefile.in: Remove stale warning message.
147 * cppfiles.c (redundant_include_p): Provide length of token to
149 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
150 values are unsigned int.
151 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
152 (_cpp_lookup_slot): Do not calculate the hash, either.
153 * cpphash.h: Update prototypes.
154 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
155 Hashes are unsigned int. Calculate hash here, pass by value
158 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
160 * simplify-rtx.c (check_value_useless): Delete function.
161 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
163 (cselib_invalidate_regno): Likewise.
164 (cselib_invalidate_mem_1): Likewise.
165 (references_value_p): Recognize useless values by the fact that they
167 (discard_useless_values): Likewise.
168 (cselib_record_set): This may turn a useless value
171 2000-04-30 Richard Henderson <rth@cygnus.com>
173 * config/d30v: New port.
175 * configure.in (d30v-*): Set fp format.
176 * configure: Rebuild.
178 2000-04-30 Richard Henderson <rth@cygnus.com>
181 * Makefile.in (OBJS): Add it.
182 (ifcvt.o): New target.
183 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
184 and conditional arithmetic.
185 (find_insert_position): Remove.
186 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
187 * toplev.c (DFI_ce, DFI_ce2): New.
188 (dump_file): Add ce and ce2 dumps.
189 (rest_of_compilation): Run if_convert a couple o times. Set
190 cse_not_expected after cse2. Don't set no_new_pseudos until
191 after sched1 or recompute_reg_usage.
193 2000-04-30 Richard Henderson <rth@cygnus.com>
195 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
196 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
198 2000-04-30 Richard Henderson <rth@cygnus.com>
200 * flow.c (struct reg_cond_life_info): New.
201 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
202 (init_propagate_block_info): Initialize them.
203 (free_propagate_block_info): Destruct them.
204 (mark_set_1): Consider conditional life before killing a register.
205 (mark_regno_cond_dead): New.
206 (free_reg_cond_life_info): New.
207 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
208 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
209 (mark_used_reg): Record conditional life.
211 * haifa-sched.c (schedule_insns): Disable death counting
212 sanity check for HAVE_conditional_execution.
214 2000-04-30 Richard Henderson <rth@cygnus.com>
216 * Makefile.in (TIMEVAR_H): New.
217 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
218 (timevar.h): Remove rule.
220 2000-04-29 Richard Henderson <rth@cygnus.com>
222 * config/alpha/crtend.asm: Use C comments instead of #.
223 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
225 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
227 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
229 * cpphash.h (enum node_type: Take out T_MCONST.
230 (union hashval): Move into struct hashnode.
231 (struct hashnode): Pack tighter. Remove file, line, col
233 * cpphash.c: Constify most of the macro-definition structures.
234 (struct definition): Replace by struct object_defn
235 and struct funct_defn. Put file, line, column information
236 here. All users updated to match.
237 (_cpp_create_definition, _cpp_macroexpand): Remove special
238 case for #define WORD OTHERWORD.
239 * cpplib.c (do_undef): Remove T_MCONST case.
241 * cpphash.h: Move struct reflist, struct definition, and the
242 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
243 union hashval. _cpp_free_definition takes a HASHNODE pointer.
244 * cpphash.c (_cpp_free_definition): Free data pointed to by
245 MCONST, XCONST, MACRO, and FMACRO nodes properly.
246 (_cpp_create_definition, del_HASHNODE): Just call
247 _cpp_free_definition to clear out a hashnode.
248 * cpplib.c (do_pragma_poison): Likewise.
250 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
252 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
253 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
254 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
255 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
256 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
257 REGNO_AM33_P): Redefine in terms of the new macros.
258 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
259 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
260 STRUCT_VALUE): Likewise.
261 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
262 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
264 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
266 * regmove.c (struct record_stack_memrefs_data): New.
267 (record_stack_memrefs): New function.
268 (combine_stack_adjustments_for_block): Use it.
270 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
272 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
273 use special_function_p to detect alloca.
275 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
277 * gcc.texi: Fixes for makeinfo 4.0 --html.
279 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
281 * pcp.h: Delete file.
283 2000-04-28 Kazu Hirata <kazu@hxi.com>
285 * h8300.c (function_epilogue): Clean up flags when the last insn
286 in a function is a barrier.
288 2000-04-28 Chris Demetriou <cgd@sibyte.com>
290 * configure.in (sparc-hal-solaris2*): protect [] glob from
292 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
293 rather than hard-coded constants in target_cpu_default2.
294 * configure: Regenerate.
296 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
298 * tree.c (get_callee_fndecl): Extract the initial value from
301 2000-04-28 Richard Henderson <rth@cygnus.com>
303 * varasm.c (record_constant_1): Record the CODE_LABEL when
304 taking the address of a LABEL_REF.
306 2000-04-28 Richard Henderson <rth@cygnus.com>
307 Jan Hubicka <jh@suse.cz>
309 * calls.c (combine_pending_stack_adjustment_and_call): Return the
310 adjustment; don't do the stack adjust.
311 (expand_call): Call compute_argument_block_size right before
312 allocating the block; update comment; don't do alignment sanity
313 checking for sibling call; use args_size instead of
314 unadjusted_args_size before args_size is adjusted. Use
315 combine_pending_stack_adjustment_and_call to compute stack adjust
316 for must_preallocate case.
318 * expr.c (push_block): Remove shadow `temp' in inner scope.
320 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
322 * toplev.c (rest_of_compilation): Call
323 note_deferral_of_defined_inline_function even if the function
326 2000-04-28 Scott Bambrough <scottb@netwinder.org>
328 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
330 2000-04-28 Richard Henderson <rth@cygnus.com>
332 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
334 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * timevar.c (init_timevar): DeANSIfy function definition.
338 2000-04-27 Alex Samuel <samuel@codesourcery.com>
340 * Makefile.in (timevar.o): Depend on flags.h.
341 * timevar.c (unused_stack_instances): New variable.
342 (timevar_push): Take a timevar_stack_def from
343 unused_stack_instances if available.
344 (timevar_pop): Push the popped timevar_stack_def onto
345 unused_stack_instances.
346 (TIMEVAR_ENABLE): New macro.
347 (timevar_def): Make standalone a 1-bit field. Add field used.
348 (get_time): Rename parameter to now. Return after clearing it if
350 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
351 (timevar_pop): Likewise.
352 (timevar_stop): Likewise.
353 (timevar_push): Likewise. Mark the timing variable as used.
354 (timevar_start): Likewise.
355 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
356 timevars that were never used.
358 2000-04-27 Mark Mitchell <mark@codesourcery.com>
360 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
361 always TREE_READONLY.
363 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
365 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
366 for call instruction with mode QImode.
368 2000-04-27 Alex Samuel <samuel@codesourcery.com>
370 * Makefile.in (OBJS): Add timevar.o.
371 (toplev.o): Depend on timevar.h.
372 (ggc-simple.o): Likewise.
373 (ggc-page.o): Likewise.
374 (timevar.o): New rule.
375 (timevar.h): New rule.
377 * timevar.h: New file.
378 * timevar.c: Likewise.
379 * timevar.def: Likewise.
381 * toplev.h (gc_time, parse_time, varconst_time): Remove.
382 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
384 (TIMEVAR): Remove macro.
385 (gc_time, parse_time, varconst_time, integration_time, jump_time,
386 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
387 flow_time, combine_time, regmove_time, sched_time,
388 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
389 sched2_time, dbr_sched_time, reorder_blocks_time,
390 rename_registers_time, shorten_branch_time, stack_reg_time,
391 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
393 (compile_file): Don't initialize time variables. Call
394 init_timevar and start TV_TOTAL timer. Call timevar_print instead
395 of many calls to print_time.
396 (rest_of_compilation): Add timing for reload_cse_regs.
397 (get_run_time): Removed to timevar.c.
398 (print_time): Likewise.
399 (get_run_time): Implement using TV_TOTAL time variable.
400 (print_time): Get total run time from get_run_time.
401 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
402 computing elapsed time explicitly.
403 * ggc-simple.c (ggc_collect): Likewise.
404 (gc_time): Remove declaration.
406 2000-04-27 Mark Mitchell <mark@codesourcery.com>
408 * calls.c (combine_pending_stack_adjustment_and_call): New function.
409 (expand_call): Use it.
411 2000-04-27 Jan Hubicka <jh@suse.cz>
413 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
416 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
418 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
421 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
423 * function.c (epilogue_done): Pass whole insn to record_insns.
425 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
427 * cse.c (CSE_ADDRESS_COST): Remove.
428 (find_best_addr): Add new parameter "MODE", use address_cost instead
431 (fold_rtx): Update call of find_best_addr.
432 * rtl.h (address_cost): Declare.
433 * loop.c (general_induction_var): Add new parameter "MODE", use
434 address_cost instead of ADDRESS_COST
435 (init_loop): Use address_cost instead of ADDRESS_COST.
436 (check_insn_for_givs): Update call of general_induction_var.
437 (find_mem_givs): Likewise.
438 (consec_sets_giv): Likewise.
439 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
440 * i386.c (ix86_address_cost): New.
441 * i386-protos.h (ix86_address_cost): Declare.
443 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
445 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
448 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
450 * expr.c (store_expr): Use clear_storage instead of direct memset
453 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
455 * config/mn10300/mn10300.c (mn10300_address_cost): Test
456 ASHIFT, AND and LABEL_REF.
458 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
460 * invoke.texi (-foptimize-sibling-calls): Fix.
462 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
464 * loop.c (load_mems) Don't use hard registers for the hoisting.
466 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
467 calculation; rename const_equiv array in the preconditioning code
468 from loop_unroll to loop_unroll_precondition
470 2000-04-27 Richard Henderson <rth@cygnus.com>
472 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
474 (propagate_one_insn): Clear it. Don't update reg_live here.
475 (init_propagate_block_info): Update for pbi member changes.
476 (free_propagate_block_info): Likewise.
477 (mark_set_1): Know that zero_extract, sign_extract, and
478 strict_low_part don't kill their argument. Alter hard subregs.
479 Update new_set for non-CLOBBER sets. Update reg_live.
480 (find_auto_inc): Update reg_live, not new_dead.
481 (mark_used_reg): Update reg_live, not new_live. Examine new_set
482 to determine if the reg in question was set this insn. Only update
483 reg info with PROP_REG_INFO.
485 2000-04-26 Richard Henderson <rth@cygnus.com>
487 * flow.c (allocate_reg_life_data): Set max_regno here ...
488 (life_analysis): ... not here.
490 * flow.c (calculate_global_regs_live): Force stack pointer
493 2000-04-26 Richard Henderson <rth@cygnus.com>
495 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
496 commit change group changes.
497 (invert_exp_1): Similarly.
498 (redirect_exp, invert_exp): Use them.
499 (redirect_jump_1): New.
500 (invert_jump_1): New.
501 (jump_optimize_1): Remove code subsumed by condexec.c.
502 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
504 2000-04-26 Richard Henderson <rth@cygnus.com>
506 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
508 * genconfig.c (main): Set all HAVE_foo to 1.
510 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
512 2000-04-26 Alex Samuel <samuel@codesourcery.com>
514 * invoke.texi: Document -fssa flag.
516 2000-04-26 Richard Henderson <rth@cygnus.com>
518 * flow.c (count_reg_sets_1): Remove.
519 (count_reg_sets, count_reg_references): Remove.
520 (recompute_reg_usage): Implement with update_life_info.
521 Reallocate life data.
523 2000-04-26 Richard Henderson <rth@cygnus.com>
525 * flow.c (update_life_info): Consider blocks null to mean the
527 (calculate_global_regs_live): Likewise.
528 (life_analysis): Do that instead of collecting all_blocks.
530 2000-04-26 Richard Henderson <rth@cygnus.com>
532 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
533 a still-valid conditional jump.
535 2000-04-26 Richard Henderson <rth@cygnus.com>
537 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
539 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
540 * flow.c (calculate_loop_depth): Remove.
541 * output.h (calculate_loop_depth): Don't declare.
542 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
543 inline; run estimate_probability at the same time.
545 2000-04-26 Neil Booth <NeilB@earthling.net>
547 * cpplib.h: "~=" is not a single pp-token.
548 * cpplex.c: Correct commentary.
550 2000-04-26 Richard Henderson <rth@cygnus.com>
552 * flow.c (mark_set_1): New arguments code and flags; update all
553 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
554 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
555 loop_depth when optimizing for size. Do new_dead update after
556 emitting REG_UNUSED notes. Merge mark_set_reg code.
557 (mark_set_reg): Remove.
558 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
559 arrange to not emit REG_UNUSED notes.
561 2000-04-26 Richard Henderson <rth@cygnus.com>
563 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
564 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
566 2000-04-26 Richard Henderson <rth@cygnus.com>
568 * flow.c (propagate_one_insn): Break out from propagate_block.
569 (init_propagate_block_info): Likewise.
570 (free_propagate_block_info): Likewise.
571 (propagate_block): Use them. Export.
572 * basic-block.h: Declare them all.
574 2000-04-26 Richard Henderson <rth@cygnus.com>
576 * basic-block.h (life_analysis): Declare here ...
577 * output.h: ... not here.
578 * flow.c (life_analysis): Remove nregs parameter; replace
579 remove_dead_code with flags. Remove ssa dead code check.
580 Only init alias analysis if we'll use it.
581 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
582 * ssa.c (convert_to_ssa): Likewise.
583 (convert_from_ssa): Likewise.
584 * toplev.c (rest_of_compilation): Likewise.
586 2000-04-26 Richard Henderson <rth@cygnus.com>
588 * flow.c (flow_delete_block): Rename from delete_block. Export.
589 * basic-block.h (flow_delete_block): Declare.
591 2000-04-26 David S. Miller <davem@redhat.com>
593 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
594 taking a PATTERN of it.
596 2000-04-26 <NeilB@earthling.net>
598 * cpplex.c (spell_other, spell_char): Remove.
600 (token_spelling, trigraph_map): Use unsigned chars.
601 (_cpp_lex_line): Tidy up the switch statement.
602 * cpplib.h: Implement spell_char with spell_string.
605 2000-04-26 <RodneyBrown@pmsc.com>
607 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
608 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
610 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
612 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
613 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
614 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
615 dwarf2out_return_save, dwarf2out_return_reg,
616 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
617 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
618 gen_compile_unit_die, dwarf2out_init): Constify a char*.
620 * dwarf2out.h (dwarf2out_init): Likewise.
622 * dwarfout.c (filename_entry, primary_filename, last_filename,
623 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
625 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
626 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
627 dwarf2out_return_reg): Likewise.
629 2000-04-26 Andreas Jaeger <aj@suse.de>
631 * extend.texi (Function Attributes): Fix description of pure
634 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
636 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
637 before calling rest_of_compilation.
639 2000-04-26 Andreas Jaeger <aj@suse.de>
641 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
644 2000-04-25 Richard Henderson <rth@cygnus.com>
646 * cse.c (cse_insn): Emit barrier after unconditional jump.
648 * calls.c (expand_call): Disable tail call generation once
649 rtx_equal_function_value_matters is false.
651 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
654 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
656 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
658 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
660 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
661 is the primary DIE for a member function.
662 (gen_decl_die): Call set_decl_origin_self here.
663 * dwarfout.c (output_decl): And here.
664 * integrate.c (output_inline_function): Not here.
665 Don't clear DECL_INLINE until after calling rest_of_compilation.
666 (set_decl_origin_self): No longer static.
667 * tree.h: Add prototype.
668 * toplev.c (note_deferral_of_defined_inline_function): Only write
669 out abstract instance for actual inlines.
671 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
673 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
674 EXTENDED_REGS only if TARGET_AM33.
675 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
676 SP_REGS to register allocation and reloading unless absolutely
678 (movsi3): Remove special-case of adding non-constants to SP.
680 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
683 INCLUDES to search and does not provide any of its own. Also it
684 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
685 parameters. Also it does not call AC_DEFINE.
686 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
687 AC_DEFINE and provides for automatic entries for autoheader.
688 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
690 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
691 so we can pass -I flags and include gansidecl.h/system.h in this
694 * acconfig.h: Delete all NEED_DECLARATION_* entries.
696 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
699 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
700 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
702 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
703 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
704 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
705 for these macros. Clean up spacing and linewraps.
707 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
709 * calls.c (expand_call): Use get_callee_fndecl.
711 * print-tree.c (print_node): Print the chain of an _EXPR.
713 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
714 Jim Wilson <wilson@cygnus.com>
715 Andrew Haley <aph@cygnus.com>
717 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
718 and gp save/restore problems.
719 * config/ia64/crtend.asm: Add IA-64 unwind support.
720 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
721 in fr_pad_size calculation.
722 (save_restore_insns): Move PR save area. Correct uses of
724 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
725 (ia64_expand_epilogue): Add eh_epilogue support.
726 (ia64_function_prologue): Emit .prologue directive.
727 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
728 (ia64_override_options): Set init_machine_status and
730 (rtx_needs_barrier): Handle bsp reads and writes.
731 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
732 New static variables.
733 (process_set, process_for_unwind_directive): New functions.
734 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
735 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
736 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
738 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
739 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
740 (struct machine_function): Define.
741 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
743 2000-04-25 Bruce Korb <bkorb@gnu.org>
745 * fixinc/Makefile.in: make the removal of old programs more
747 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
748 install-bin and install-sh
750 2000-04-25 Nick Clifton <nickc@cygnus.com>
752 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
753 defined, define to return zero.
754 (function_cannot_inline_p): If a function has any target
755 specific attributes, then use the macro
756 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
757 whether it can be inlined. If it cannot, issue a suitable
760 * tm.texi: Add a new node 'Inlining' to document the new macro
761 FUNCTION_ATTRIBUTE_INLINABLE_P.
763 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
765 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
768 2000-04-25 Neil Booth <NeilB@earthling.net>
770 Restore previous patch, plus the following fixes:
772 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
773 flags, not CPP_OPEN_PAREN.
774 * cpplex.c (expand_token_space, init_token_list,
775 cpp_free_token_list): Put the dummy token at list->tokens[-1].
776 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
778 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
780 * config/i386/freebsd.h (INT_ASM_OP): Define.
782 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
784 * loop.c (strength_reduce): Fix typo in the last checkin.
786 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
788 * stor-layout.c (finalize_record_size): Simplify to use existing
790 (compute_record_mode): No longer static.
791 * tree.h (compute_record_mode): New declaration.
793 2000-04-25 Neil Booth <NeilB@earthling.net>
795 * Revert my patch below until cause of build failures
798 2000-04-25 Richard Henderson <rth@cygnus.com>
800 * combine.c (combine_instructions): Add missing argument
803 * toplev.c (rest_of_compilation): Delay sibcall optimization
804 until after emit_eh_context.
806 2000-04-24 Nick Clifton <nickc@redhat.com>
808 * combine.c (combine_instructions): Do not try to combine a
809 sequence of insns when the second insn has been replaced by a
812 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
814 * gcc.c (load_specs): New static function.
815 (read_specs): Use it.
817 * gcc.c (lookup_compiler): Make multiple passes for case
818 insensitive filesystems.
820 2000-04-24 Neil Booth <NeilB@earthling.net>
822 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
823 * cpphash.h (_cpp_check_directive): new.
824 * cpplex.c (handle_newline, cpp_free_token_list,
825 init_trigraph_map, trigraph_ok, trigraph_replace,
826 backslash_start, skip_block_comment, skip_line_comment,
827 skip_whitespace, parse_name, parse_number, parse_string,
828 copy_comment, _cpp_lex_line, spell_char, spell_string,
829 spell_comment, spell_name, spell_other, _cpp_lex_file,
830 _cpp_output_list): new.
831 (expand_name_space): take length argument.
832 (init_token_list): add comment list initialisation.
833 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
834 instead of HSPACE_BEFORE.
836 * cpplib.c (_cpp_check_directive): new
837 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
838 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
839 (HSPACE_BEFORE): delete.
840 (TTYPE_TABLE): rearrange.
841 (struct cpp_toklist): update.
843 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
846 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
847 argument form of AC_DEFINE.
849 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
850 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
851 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
852 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
853 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
855 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
857 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
859 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
860 deduced.h): Use -isystem, not -I, for including system headers.
862 2000-04-24 Nick Clifton <nickc@cygnus.com>
864 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
865 the source register is the frame pointer or arg pointer.
866 (addsi3_small_int): Disallow if source register is the frame
867 pointer or arg pointer.
869 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
871 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
872 call to AC_MSG_RESULT.
874 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
876 * invoke.texi: Correct grammatical errors, document
877 -fno-gnu-keywords as identical to -fno-asm for C++.
879 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
881 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
882 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
883 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
884 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
885 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
887 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
888 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
889 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
890 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
893 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
895 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
896 (pop_alignment): Likewise.
897 (handle_pragma_token): Likewise.
899 2000-04-24 Robert Lipe <robertlipe@usa.net>
901 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
903 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
905 * combine.c (try_combine): Update reg_nonzero_bits of
906 newi2pat before newpat.
908 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
910 * loop.c (strength_reduce): Simplify test to INSN_P.
911 (record_giv): Attempt to simplify the add value, use CONSTANT_P
912 expressions instead of CONST_INT.
913 (express_from_1): Likewise.
915 2000-04-24 Mark Mitchell <mark@codesourcery.com>
917 * regs.h (reg_n_max): Don't declare.
918 * flow.c (reg_n_max): Don't define.
919 * regclass.c (renumber): Don't initialize to zero.
920 (regno_allocated): Likewise.
922 (allocate_reg_info): Don't initialize unnecessarily.
924 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
926 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
927 and blockage_p in the newly allocated attribute.
929 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
931 * config/mn10300/mn10300.md (addsi): `inc4' on address
932 registers does not modify cc, but `inc' on an extended
935 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
937 * reload.c (find_equiv_reg): Checks all valueno regs
938 as a reload_reg_p regs.
940 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
942 * cpphash.c (collect_objlike_expansion): Add sanity check.
943 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
944 the buffer is the empty string, return. Mark __DATE__ and
945 __TIME__ as XCONST nodes, not MCONST.
946 (_cpp_macroexpand): Avoid pushing an empty buffer.
947 (funlike_macroexpand): Don't pop token_buffer here.
949 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
951 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
952 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
953 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
954 (REGNO_OK_FOR_BASE_P): Define in terms of them.
955 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
956 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
957 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
959 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
961 * loop.c (simplify_giv_expr): Be more agressive on simplifying
964 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
966 * cpphash.h (struct definition): Move file, line, col members...
967 (struct hashnode): ... here. Also add 'disabled' flag.
968 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
969 T_IDENTITY. Remove T_DISABLED.
972 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
973 (collect_expansion): Split into collect_objlike_expansion and
974 collect_funlike_expansion.
975 (_cpp_macroexpand): Split out scan_arguments, stringify, and
977 (_cpp_compare_defs): Rename compare_defs, make static.
978 (_cpp_make_hashnode): Initialize hp->disabled.
979 (macro_cleanup): Adjust for new token types. Clear
981 (_cpp_create_definition): Move code here to determine what
982 sort of macro it is, and code to check for redefinitions, from
983 do_define. Implement a few simple cases without creating a
985 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
986 Handle the simple cases.
987 (push_macro_expansion): Set buf->has_escapes and hp->disabled
990 * cppinit.c (builtin_array): Change MCONST to XCONST
992 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
993 fix check for disabled and function-like macros.
994 * cpplib.c (do_define): Move most logic to
995 _cpp_create_definition.
996 (do_undef): Handle new special token types.
998 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1000 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1001 of CONSTANT_P for mult_val; always use validate_change to update insn.
1003 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1005 * cpphash.c (trad_stringify, add_pat): New functions.
1006 (collect_expansion): Restore support for -traditional syntax.
1007 Use trad_stringify and add_pat.
1008 (_cpp_macroexpand): Restore support for -traditional semantics.
1009 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1010 get a COMMENT token.
1011 (_cpp_lex_token): Provide COMMENT tokens to caller if
1012 traditional and parsing_define_directive.
1013 (skip_comment): Warn about // comments if -Wtraditional.
1014 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1016 (do_undef): Don't warn about undefining EMPTY nodes.
1018 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1020 * loop.c (strength_reduce): Fix biv removal code.
1022 2000-04-22 Richard Henderson <rth@cygnus.com>
1024 * predict.c (estimate_probability): Examine both sides of
1025 a branch for no exits. Use 90% not 50% for predict taken.
1026 Reorg for one copy of note generation code.
1028 2000-04-22 Richard Henderson <rth@cygnus.com>
1030 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1032 2000-04-22 Richard Henderson <rth@cygnus.com>
1034 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1035 (output_clear): Likewise.
1036 (output_printf): Use va_copy.
1037 (vline_wrapper_message_with_location): Likewise.
1038 (v_message_with_decl): Likewise.
1039 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1040 * system.h (va_copy): Provide default implementation.
1042 2000-04-22 Richard Henderson <rth@cygnus.com>
1044 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1045 the collected condition is not a constant.
1047 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1049 * diagnostic.h: New file.
1051 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1053 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1054 various function prototypes.
1055 (diagnostic.h): #include.
1056 (struct output_buffer): Move into diagnostic.h.
1057 (get_output_prefix): Rename to output_get_prefix. Export.
1058 (init_output_buffer): Export. Break out. Ajust intialization.
1059 (output_space_left, output_append): Export.
1060 (output_newline): Rename to output_add_newline. Export.
1061 (output_clear): Nullify additional output_buffer fields.
1062 (output_puts): Rename to output_add_string. Export.
1063 (dump_output): Rename to output_flush_on. Export.
1064 (build_location_prefix): Constify return-type.
1065 (emit_output_prefix): Rename to output_emit_prefix. Export.
1066 (set_real_maximum_length): New function.
1067 (output_set_maximum_length): Ditto
1068 (output_clear): Ditto.
1069 (output_add_character): Ditto.
1070 (output_add_integer): Ditto.
1071 (output_add_space): Ditto.
1072 (output_format): Ditto.
1073 (output_printf): Adjust buffer initialization.
1074 (vline_wrapper_message_with_location): Ditto.
1075 (v_message_with_decl): Ditto. Adjust call to output_puts
1076 and get_output_prefix.
1077 (default_print_error_function): Adjust buffer intialization.
1079 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1081 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1084 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1086 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1089 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1091 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1092 accurate data about SP moves.
1094 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1096 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1097 aliases to AM33 registers.
1099 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1101 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1102 to all EXTENDED bitmaps.
1104 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1106 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1107 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1108 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1110 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1112 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1113 the operand is not constant.
1115 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1117 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1118 as a call-clobbered regs.
1120 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1122 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1124 * rtl.def: Update comment.
1125 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1126 * integrate.c (expand_inline_function): Likewise.
1127 * profile.c (branch_prob): Likewise.
1128 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1129 * print-rtl.c (print_rtx): Likewise.
1130 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1131 (reemit_notes): Likewise; also use enum insn_note.
1133 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1134 (place_field): Properly compute know and actual alignment.
1136 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1139 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1142 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1144 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1145 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1146 (collect_expansion): Rewrite to scan over a token list.
1147 Remove -traditional support.
1148 (collect_formal_parameters): Rename to collect_params; rewrite
1149 to scan over a token list.
1150 (_cpp_create_definition): Adjust to scan a token list.
1151 (_cpp_macroexpand): Remove -traditional support.
1152 (_cpp_compare_defs): Whitespace is now canonicalized.
1153 (comp_def_part): Delete function.
1155 * cpphash.h: Update prototypes.
1156 * cpplex.c (init_token_list): Don't set lineno if there is no
1158 (pedantic_whitespace): New function.
1159 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1160 consume a newline. Use pedantic_whitespace.
1161 (_cpp_lex_token): Remove support for -traditional macros.
1162 (_cpp_get_define_token): Delete.
1163 (_cpp_get_directive_token): Do the real work here. Use
1164 pedantic_whitespace.
1165 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1167 * cpplib.c (get_macro_name): Delete.
1168 (do_define): Read the entire line into pfile->directbuf, then
1169 feed the token list to _cpp_create_definition.
1170 * cpplib.h (HSPACE_BEFORE): new define.
1171 (struct cpp_reader): Add a toklist member, "directbuf".
1173 * predict.c (estimate_probability): New heuristic: if a jump
1174 branches around a block with no successors, predict it taken.
1175 Disentangle control flow.
1177 2000-04-20 Richard Henderson <rth@cygnus.com>
1179 * loop.c (emit_iv_add_mult): Revert last change.
1181 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1183 * cpplib.h (enum cpp_ttype): Add token types for all
1184 punctuators. Distinguish pp-numbers from valid C numbers.
1185 Give some tokens better names. Initialize from macro.
1186 (struct cpp_name, cpp_token, cpp_toklist): New data
1189 * cpplex.c (bump_column, expand_name_space,
1190 expand_token_space, init_token_list, cpp_output_list,
1191 _cpp_scan_line): New functions.
1192 (output_line_command): Add third argument, new line number.
1193 * cpphash.h: Update prototypes.
1194 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1197 2000-04-20 Richard Henderson <rth@cygnus.com>
1199 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1201 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1203 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1206 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1208 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1209 REG_EQUAL note explaining the calculated value.
1211 * calls.c (expand_call): Avoid unnecesary precalculation
1212 and outgoing parameters space guarding for sibling calls.
1213 (store_one_arg): Likewise.
1215 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1217 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1218 (rest_of_compilation): Write sibling dump file and account
1219 for time as jump time.
1220 * invoke.texi: Update documentation on dump flags.
1222 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1224 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1226 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1228 * cpphash.c (special_symbol): Represent an empty macro with
1229 "\r \r " not just "\r ".
1230 (_cpp_macroexpand): Correct condition for the foo ( ) special
1232 (unsafe_chars): Handle EOF as second argument.
1233 (push_macro_expansion): Simplify test for removing escape at
1234 end. Do not trim both escapes if there is no text in between.
1236 2000-04-19 Jim Blandy <jimb@redhat.com>
1238 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1239 of PTR_SIZE, when appropriate.
1241 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1243 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1244 (USE_ENUM_BITFIELDS): Fix typo.
1246 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1248 * stor-layout.c (place_field): Set rli->offset_align properly.
1250 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1252 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1253 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1254 PARM_BOUNDARY): Remove unnecessary casts.
1256 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1258 * calls.c (precompute_arguments): Remove must_preallocate and
1260 (expand_call): Update call of precompute_arguments.
1262 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1263 check_insn_for_givs): Break out from ...
1264 (strength_reduce) ... here; use for_every_insn_in_loop to call
1265 check_insn_for_givs.
1266 * loop.h (for_every_insn_in_loop): Declare.
1267 (loop_insn_callback): New type.
1269 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1271 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1274 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1276 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1279 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1281 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1283 * configure.in: Delete --disable-cpplib option and all
1284 references to cpp_main.
1285 * configure: Regenerate.
1286 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1287 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1288 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1289 cpp$(exeext). Add --no-headers to makeinfo command line when
1290 generating INSTALL. Install and uninstall cpp.1 manpage, not
1292 * install.texi: Delete all references to cexp.y/cexp.c.
1293 Delete ancient instructions for compiling GCC on 3b1.
1294 * INSTALL: Regenerate.
1296 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1297 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1298 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1300 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1301 which is no longer tested anywhere.
1303 * cppinit.c (handle_option): Don't run error message through
1306 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1308 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1309 * cpperror.c (hashtab.h): Now include.
1310 * cppexp.c (hashtab.h): Likewise.
1311 * cpplex.c (hashtab.h): Likewise.
1312 * cppfiles.c (hashtab.h): Likewise.
1313 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1314 to htab_find_slot_with_hash.
1315 * cpphash.c (hashtab.h): Now include.
1316 (_cpp_lookup_slot): INSERT is now enum insert_option.
1317 * cpphash.h (_cpp_lookup_slot): Likewise.
1318 * cppinit.c (hashtab.h): Include earlier.
1319 (initialize_builtins): Pass enum to htab_find_slot.
1320 * cpplib.c (hashtab.h): Now include.
1321 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1322 (do_pragma_poison, do_assert): Likewise.
1323 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1324 htab_find_slot_with_hash.
1325 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1326 * tree.c (type_hash_add): Likewise.
1327 (build1): Minor cleanup.
1329 * ggc-common.c: Add missing blanks.
1330 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1331 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1333 * stmt.c (mark_case_node): New function.
1334 (mark_case_nesting): Call it.
1336 * expmed.c (emit_store_flag): If comparing two-word integer
1337 with zero, can optimize NE, EQ, GE, and LT.
1339 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1340 * conflict.c: Minor cleanups.
1341 * optabs.c: Add blank line
1342 * simplify-rtx.c: Minor cleanups.
1344 2000-04-18 Stan Cox <scox@cygnus.com>
1346 * gengenrtl.c (genlegend): Fix misspelling.
1348 2000-04-18 Robert Lipe <robertlipe@usa.net>
1350 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1351 bitfields of the host compiler are not signed quantities.
1352 * config.in: Regenerate.
1353 * configure: Regenerate.
1354 * system.h (USE_ENUM_BITFIELDS): Added.
1355 (ENUM_BITFIELDS): Added.
1356 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1357 (SHORT_ENUM_BUG): Deleted.
1358 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1360 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1361 (CODE_FIELD_BUG): Likewise.
1362 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1364 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1366 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1368 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1371 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1373 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1374 * cpplib.c (do_include, do_import, do_include_next,
1375 read_line_number, detect_if_not_defined): Likewise.
1376 * cpphash.c (collect_expansion): Likewise.
1377 (special_symbol, _cpp_macroexpand): Check return from
1379 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1380 macros. Delete all uses.
1382 * gcc.dg/cpp-mi.c: Add two more test cases.
1383 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1385 2000-04-17 Richard Henderson <rth@cygnus.com>
1387 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1388 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1390 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1392 * function.c (expand_function_start): Use hard_function_value to
1393 compute the RTL to use for DECL_RESULT.
1395 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1397 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1398 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1399 x86_memory_mismatch_stall): New global variables.
1400 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1401 alloved; fix load penalties for Athlon.
1402 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1403 x86_memory_mismatch_stall): Declare.
1404 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1405 TARGET_MEMORY_MISMATCH_STALL): New.
1406 * i386.md (athlon scheduling parameters): Fix latencies according to
1407 Athlon Optimization Manual.
1408 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1410 (fsqrt instruction patterns): Set athlon_decode to direct.
1411 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1412 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1413 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1414 and TARGET_PARTIAL_REGISTER_STALL machines.
1415 (pushdf_nointeger): New pattern.
1416 (pushdf_integer): Rename from pushdf.
1417 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1418 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1420 2000-04-17 Richard Henderson <rth@cygnus.com>
1422 * loop.c (canonicalize_condition): Add WANT_REG argument.
1423 Stop the search if we match it.
1424 * expr.h (canonicalize_condition): Update decl.
1425 * predict.c (expected_value_to_br_prob): Use it. Track last
1426 expected value note.
1427 (find_expected_value): Remove.
1429 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1431 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1433 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1434 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1436 * configure.in: Call AC_FUNC_MMAP_FILE.
1437 * configure: Regenerate.
1438 * config.in: Regenerate.
1440 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1441 * fixinc/fixincl.c: Likewise.
1443 2000-04-17 Richard Henderson <rth@cygnus.com>
1445 * builtins.c (expand_builtin_expect): New.
1446 (expand_builtin): Call it.
1447 * builtins.def (BUILT_IN_EXPECT): New.
1448 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1449 * extend.texi: Document it.
1451 * predict.c (expected_value_to_br_prob): New.
1452 (find_expected_value): New.
1453 * basic-block.h (expected_value_to_br_prob): Declare.
1454 * toplev.c (rest_of_compilation): Invoke it.
1456 * rtl.h (NOTE_EXPECTED_VALUE): New.
1457 (NOTE_INSN_EXPECTED_VALUE): New.
1458 * rtl.c (note_insn_name): Update.
1459 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1460 cases; handle NOTE_INSN_EXPECTED_VALUE.
1462 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1464 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1465 leaf sibcall delay slot if flag_pic.
1466 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1468 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1470 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1472 * fixproto: If fix-header fails, exit with an error.
1474 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1476 * cse.c (struct check_depdendence_data): New.
1477 (check_dependence): New function.
1478 (invalidate): Use check_depdenence.
1480 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1482 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1483 UNITS_PER_WORD is unsigned.
1485 * tree.h (struct tree_common): Remove misleading comment.
1487 2000-04-16 Dave Pitts <dpitts@cozx.com>
1489 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1490 message in quotes. Otherwise, IBM's make program treats the '#' as the
1491 start of a comment and ignores the remainder of the line.
1493 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1495 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1496 * cexp.y (initialize_random_junk): Likewise.
1497 * cppfiles.c (find_include_file): Cast alloca return value.
1498 * cppinit.c (initialize_standard_includes): Likewise.
1499 * cpplib.c (cpp_define, cpp_undef): Likewise.
1500 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1501 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1502 * fold-const.c (CHARMASK): New.
1503 (real_hex_to_f): Use it.
1504 * real.c (CHARMASK): New.
1505 (etoasc, asctoeg): Use it.
1506 (asctoeg): EBCDIC lower case characters preceed upper case.
1508 * i370.c (mvs_add_label): Change spacing for coding conventions.
1509 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1510 outputing case vectors.
1511 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1512 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1513 since vector in in the data CSECT.
1514 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1515 * i370.md (Many patterns): Put the length in the XL directives.
1516 (movdi): Put back STM and MVC in definition.
1517 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1518 pattern using the TCA.
1519 * oe.h (CPP_SPEC): Added to allow trigraphs.
1520 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1521 not support the "long long" type.
1523 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1525 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1527 (mips_reg_mode_ok_for_base_p): Likewise.
1528 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1529 (REG_OK_FOR_INDEX_P): Define unconditionally.
1530 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1531 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1532 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1533 that GET_MODE_SIZE is unsigned.
1534 (mips_reg_mode_ok_for_base_p): Define.
1535 (mips_legitimate_address_p): Likewise. Adjust now
1536 that GET_MODE_SIZE is unsigned.
1537 (block_move_loop): Make the number of bytes unsigned.
1538 (expand_block_move): Likewise.
1539 (function_arg): Make the loop counter unsigned to match the
1542 2000-04-16 Richard Henderson <rth@cygnus.com>
1544 * rtl.h (enum insn_note): New enumeration. Subsume
1545 NOTE_INSN_DELETED and friends.
1546 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1547 * rtl.c (note_insn_name): Tweak string order.
1549 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1551 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1554 * cpplex.c (output_line_command): Remove debugging prints.
1555 (cpp_output_tokens): Don't write out a zero-length buffer or
1556 try to see if it has a newline in it.
1557 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1558 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1559 the end of the loop. Use memmove. Don't read past the end of
1560 the buffer. Remove trailing newlines from error messages.
1562 2004-04-16 Neil Booth <NeilB@earthling.net>
1564 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1565 * cpplib.c: Add new syntax flags to directive table, and
1568 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1570 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1573 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1575 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1576 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1578 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1580 * Makefile.in (ggc-page.o): Now includes toplev.h.
1581 * ggc-page.c (toplev.h): Now included.
1582 (gc_time): Remove declaration.
1583 (ggc_collect): TIME now long.
1584 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1586 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1588 * toplev.c: Make *_time variable long to reduce chance of overflow.
1589 (TIMEVAR): Likewise for `otime'.
1590 (print_time): Arg is now long; compute percentage in FP and round.
1591 * toplev.h (print_time): Arg is long.
1593 * tree.c: Minor whitespace changes.
1595 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1596 * configure: Rebuilt.
1597 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1598 (__fixunsxfDI): Renamed from __fixunsxfdi.
1599 (__fixunsdfDI): Renamed from __fixunsdfdi.
1600 (__fixunssfDI): Renamed from __fixunssfdi.
1601 (__floatdisf): Use proper type in REP_BIT macro.
1602 (__fixunsxfSI): Renamed from __fixunsxfsi.
1603 (__fixunsdfSI): Renamed from __fixunsdfsi.
1604 (__fixunssfSI): Renamed from __fixunssfsi.
1605 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1606 Change location of macros and upper-case some names as above.
1607 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1608 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1610 * varasm.c (assemble_variable): Add cast to remove warning.
1611 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1613 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1614 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1615 region number to -1.
1617 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1619 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1620 call unshare_all_rtl.
1622 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1624 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1626 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1627 Use .s1 not .s0 for all FP instructions.
1629 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1631 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1633 (safe_fwrite, output_line_command): New static functions.
1634 (cpp_expand_to_buffer): Now private to cpplib.
1635 (cpp_scan_buffer): Take a printer.
1637 * cpphash.h: Update prototypes.
1638 * cpplib.h: Update prototypes.
1640 (cpp_buffer): Remove last_nominal_fname.
1641 (cpp_reader): Remove lineno.
1643 * cppmain.c: Use a cpp_printer.
1644 * fix-header.c: No need to inhibit line commands. Call
1645 cpp_start_read with no printer.
1647 * cpperror.c (cpp_notice_from_errno): Provide default name.
1648 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1649 (find_include_file, cpp_read_file): Use make_IHASH.
1650 (file_cleanup): Set control_macro and clear
1651 input_stack_listing_current here.
1652 (_cpp_execute_include): Don't output entering-file marker.
1653 * cpphash.c (special_symbol): Look for the line number in the
1654 buffer, not the reader.
1655 (_cpp_macroexpand): No need to disable line commands.
1656 (_cpp_dump_definition): No need to generate line commands.
1657 (dump_hash_helper): Remove excess newline from output.
1658 * cppinit.c (dump_special_to_buffer): No need to generate line
1660 (cpp_printer_init): New.
1661 (cpp_start_read): Take a printer, and start it up if it's not
1662 NULL. No need to generate line commands.
1663 (cpp_finish): Expect no buffers stacked at all. Take a
1664 printer argument, and flush the output buffer if it's not
1666 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1667 Don't put two hashes at the beginning of an assertion.
1668 (cpp_get_token): Don't increment pfile->lineno or emit line
1669 commands here. Return EOF if there's no buffer when we get
1671 * cpplib.c (do_define, skip_if_group):
1672 No need to disable line commands.
1673 (_cpp_output_line_command): Delete function.
1674 (do_line): Don't emit line commands here, but set things up so
1675 they will be emitted if necessary. Use _cpp_fake_ihash to
1676 make unique nominal_fnames if necessary.
1677 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1678 with 0 for column, not -1.
1679 (_cpp_handle_eof): Don't set the control macro here. Don't
1680 clear input_stack_listing_current here. Don't emit line
1683 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1685 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1686 always, use the default SVR4 start address.
1688 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1689 (LINK_SHLIB_SPEC): Define.
1690 (LINK_START_DEFAULT_SPEC): Define.
1691 (LINK_OS_DEFAULT_SPEC): Define.
1693 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1695 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1696 __do_global_ctors to handle constructors.
1697 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1698 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1699 (STARTFILE_MVME_SPEC): Likewise.
1700 (STARTFILE_SIM_SPEC): Likewise.
1701 (ENDFILE_ADS_SPEC): Use crtend.
1702 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1703 (ENDFILE_MVME_SPEC): Likewise.
1704 (ENDFILE_SIM_SPEC): Likewise.
1705 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1706 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1707 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1708 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1709 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1710 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1711 (CRTSTUFF_T_CFLAGS_S): Define.
1712 * config/rs6000/eabi-ctors.c: Delete.
1714 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1717 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1721 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1723 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1724 plus mask size is smaller or equal to the mode size.
1726 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1728 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1731 * expr.c (reload.h): Now included.
1732 (emit_block_move): Set volatile_ok when checking for movstr.
1733 (emit_move_1): Check for replacements in addresses in multi-word case.
1734 * Makefile.in (expr.o): Now includes reload.h.
1736 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1737 Never have a LIBCALL end a basic block.
1738 (find_basic_blocks_1): Likewise.
1739 Reorganize CALL_INSN cases.
1741 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1743 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1745 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1746 completers from mov.ret instruction.
1748 2000-04-14 Richard Henderson <rth@cygnus.com>
1750 * fold-const.c (extract_muldiv): Don't distribute and widen
1751 multiply across plus for non-sizetype unsigned types.
1753 2000-04-14 Richard Henderson <rth@cygnus.com>
1755 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1756 If the original source is dead in the incr insn, it's dead now.
1758 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1760 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1761 see if DECL_BIT_FIELD needs to still be set.
1763 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1765 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1766 print_int_cst_octal with something that's not an INTEGER_CST.
1768 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1769 and not a SUBREG to a FLOAT rtl.
1771 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1773 * emit-rtl.c (try_split): Avoid infinite loop if the split
1774 results in a sequence that contains the original insn.
1776 2000-04-13 Andreas Jaeger <aj@suse.de>
1778 * config/mips/mips.c (expand_block_move): Pass alignment
1779 argument to move_by_pieces in bits, not bytes.
1781 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1782 __pic__ for little endian.
1784 2000-04-13 Andreas Jaeger <aj@suse.de>
1786 * config/i386/i386-protos.h: Add prototype for
1787 uno_comparison_operator.
1789 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1791 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1792 * calls.c (ECF_PURE): New flag.
1793 (emit_call_1): Handle ECF_PURE calls.
1794 (initialize_argument_information): Unset ECF_PURE flag too.
1795 (precompute_arguments): Precompute for ECF_PURE too.
1796 (expand_call): Handle ECF_PURE calls too.
1797 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1798 accept value of 2 as pure function.
1799 (emit_library_call_value, emit_library_call): Rename no_queue argument
1801 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1803 * tree.h (DECL_IS_PURE): New macro.
1804 (struct tree_decl): Add pure_flag.
1805 * c-common.c (enum attrs): Add attribute "pure".
1806 (init_attributes): Initialize attribute "pure"
1807 (decl_attributes): Handle attribute "pure".
1808 * extend.texi (Attribute "pure"): Document.
1809 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1811 (flags_from_decl_or_type): Support attribute "pure".
1813 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1815 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1816 the token except for numbers and identifiers.
1818 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1820 * i386.c (ix86_expand_binary_operator,
1821 ix86_expand_unary_operator): Check no_new_pseudos
1822 instead of reload_in_progress and reload_completed.
1823 (ix86_split_ashldi, ix86_split_ashrdi,
1824 ix86_split_lshrdi): Check no_new_pseudos instead
1825 of reload_completed.
1827 2000-04-12 Jeffrey A Law (law@cygnus.com)
1829 * function.c (purge_addressof): Unshare any shared rtl created by
1830 purge_addressof and its children.
1832 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1834 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1837 2000-04-05 Andreas Jaeger <aj@suse.de>
1839 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1840 not compiling PIC code, add flags for mabi=64.
1841 (SUBTARGET_CPP_SIZE_SPEC): New.
1842 (SUBTARGET_CPP_SPEC): New.
1843 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1844 for MIPS/Linux and lots of code needs these defines.
1846 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1848 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1849 trying the "opposite arithmetic" approach.
1851 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1853 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1854 (struct sh_args): Add new field force_mem.
1855 (INIT_CUMULATIVE_ARGS): Initialize it.
1856 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1858 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1860 * calls.c (expand_call): Do not reverse args in "equal from" field.
1861 (emit_library_call_value_1): Emit_libcall_block for const and pure
1864 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * reload1.c (reload_combine): Don't enable optimization for fixed
1867 registers when encountering a BARRIER.
1869 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1871 * builtins.c (expand_builtin_memcmp): Do expansion even with
1872 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1874 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1875 stack is propertly aligned; add sanity checking for aligned
1877 (expand_library_call_value_1): Add sanity checking for aligned
1880 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1882 * calls.c (emit_library_call_value_1): Change 3rd arg to
1883 locate_and_pad_parm to disregard the setting of partial.
1885 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1887 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1889 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1890 CALL_INSN from the normal case.
1892 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1894 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1895 New global variables.
1896 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1898 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1900 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1901 TARGET_ADD_ESP_8): New macros.
1902 * i386.md: Add peep2s to convert esp adjustments to push and pop
1904 (pushsi_prologue, popsi_epilogue): New patterns.
1906 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1908 * real.c (toe64): Remove stale #endif from the last change.
1910 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1912 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1913 * real.c (toe64): Revert previous change.
1915 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1917 * objc/objc-act.c: Include ggc.h.
1918 (objc_tree_index, objc_global_trees): Convert most of the
1919 static tree variables into a static array with previous names
1921 (objc_ellipsis_node): New variable.
1922 (lang_init): Call objc_act_parse_init and c_parse_init.
1923 Create objc_ellipsis_node.
1924 (build_selector_translation_table): Use objc_ellipsis_node instead
1926 (hack_method_prototype): Likewise.
1927 (get_arg_type_list): Likewise.
1928 (start_method_def): Likewise.
1929 (continue_method_def): Likewise.
1930 (gen_method_decl): Likewise.
1931 (ggc_mark_imp_list): New function.
1932 (ggc_mark_hash_table): New function.
1933 (objc_act_parse_init): New function.
1934 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1935 * c-parse.in (c_parse_init): For objc add roots of objc specific
1936 local tree variables.
1937 * objc/objc-parse.y: Rebuilt.
1938 * objc/objc-parse.c: Rebuilt.
1939 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1941 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1943 * cse.c (delete_trivially_dead_insns): Also delete insns
1944 that copy a register to itself where the destination is
1947 2000-04-11 Richard Henderson <rth@cygnus.com>
1949 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1950 (propagate_block): Initialize them. Use them in parallel instead
1951 of one tmp variable, ie revert much of the 0408 and 0407 functional
1952 changes, but keep the structural changes.
1953 (mark_set_regs): Take new_dead from propagate_block_info instead.
1954 (mark_set_1, mark_set_reg): Likewise.
1955 (mark_used_regs): Likewise with new_live.
1956 (mark_used_reg): Likewise. Revert 0408 change.
1958 2000-04-11 Nick Clifton <nickc@cygnus.com>
1960 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1962 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1964 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1966 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1967 const section to output a CONSTRUCTOR based on the same conditions
1970 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1972 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1973 * pa/pa-protos.h (output_call): Add additional argument indicating
1974 if the call is a sibling/tail call.
1975 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1976 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1977 (function_arg, function_arg_partial_nregs): Likewise
1978 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1979 (emit_move_sequence): Zero extend certain constants as needed
1981 (compute_zdepdi_operands, output_64bit_and): New functions.
1982 (output_64bit_ior, function_arg): Likewise.
1983 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1984 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1985 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1986 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1987 (output_bvb): Likewise.
1988 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1989 (output_call): New argument 'sibcall'. Generate sibcall sequences
1991 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1992 (ouput_arg_descriptor): Do not emit argument descriptors for
1994 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1996 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1997 (FUNCTION_OK_FOR_SIBALL): Define.
1998 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1999 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2000 (CPP_SPEC): Use new spec infrastructure.
2001 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2002 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2003 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2004 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2005 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2006 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2007 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2008 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2009 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2010 (FUNCTION_ARG); Call out to C code.
2011 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2012 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2013 (MIN_UNITS_PER_WORD): Likewise.
2014 * pa/pa.md (cmpdi): New expander.
2015 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2016 (64bit conditional arithmetic): New patterns.
2017 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2018 (movsicc): Not available if modes on all the operands to not match.
2019 (movdicc): New expander and associated patterns.
2020 (64bit branches): New patterns.
2021 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2022 (pre_ldd, post_std): New patterns.
2023 (64bit addil, load low part): New patterns.
2024 (special movsf constant): Not available for TARGET_64BIT.
2025 (movsf, movdf expanders): Force constants into memory.
2026 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2027 (64bit movdf/movdi patterns): New patterns.
2028 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2030 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2031 (adddi3 expander): Allow "arith_operand" for second input.
2032 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2033 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2034 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2035 (muldi3): New expander for TARGET_64BIT.
2036 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2038 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2039 patterns for TARGET_64BIT.
2040 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2041 patterns for TARGET_64BIT.
2042 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2043 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2044 (sibcall_epilogue): New expander.
2045 (casesi): Tweak for TARGET_64BIT.
2046 (call expanders): Set & use the outgoing argument pointer. Use the
2047 64bit call patterns as needed. Add additional arg to output_call.
2048 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2049 (sibcall, sibcall_internal_symref): New expanders.
2050 (sibcall_value, sibcall_value_internal_symref
2051 (interspace_jump): Turn into an expander + matching patterns.
2052 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2053 * pa/pa64-regs.h: Eliminate trigraph sequences.
2054 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2056 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2058 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2059 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2060 cpp_token with cpp_ttype everywhere.
2061 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2062 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2063 CPP_BUF_COL. Line and column numbers are unsigned int, not
2065 * cpplex.c (cpp_buf_line_and_col): Delete.
2066 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2067 'long lineno' to 'unsigned int lineno'.
2068 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2070 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2072 * extend.texi: ISO C99 is not a draft anymore.
2073 * invoke.texi: ISO C++ is not a draft anymore.
2074 * cpp.texi: __cplusplus is required by the ISO standard.
2076 * extend.texi (-fthis-is-variable): Undocument.
2077 * flags.h (warn_template_debugging): Remove declaration.
2078 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2079 -Wenum-clash, -Wtemplate-debugging): Undocument.
2081 2000-04-10 Nick Clifton <nickc@cygnus.com>
2083 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2085 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2087 (ARM_SIGN_EXTEND): Use HOST_UINT.
2088 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2089 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2090 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2091 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2093 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2094 (arm_gen_constant): Use HOST_UINT.
2095 (arm_canonicalize_constant): Use HOST_UINT.
2096 (arm_reload_in_hi): Use HOST_UINT.
2097 (arm_reload_out_hi): Use HOST_UINT.
2098 (output_multi_immediate): Use HOST_UINT.
2099 (int_log2): Use HOST_UINT.
2100 (arm_poke_function_name): Use HOST_UINT.
2101 (arm_output_epilogue): Use arm_volatile_func().
2102 (output_thumb_prologue): Use arm_strip_name_encoding().
2104 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2106 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2107 of sequence point problems.
2109 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2111 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2113 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2115 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2117 * sbitmap.h: Whitespace changes and use upper-case macro args.
2118 (struct simple_bitmap_def): All sizes now unsigned.
2119 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2120 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2121 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2122 (sbitmap_zero): Cast bzero arg to PTR.
2123 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2124 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2125 loop to make structure clearer.
2126 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2127 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2128 (sbitmap_a_and_b_or_c): Likewise.
2129 (sbitmap_intersection_of_succs): Minor cleanups.
2130 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2131 (sbitmap_union_of_preds): Likewise.
2132 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2133 (debug_sbitmap): New function.
2135 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2136 * c-typeck.c (convert_for_assignment): Likewise.
2138 * expmed.c (init_expmed): Don't free objects we make.
2139 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2141 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2142 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2144 * gcse.c (expr_hash_table_size): Now unsigned.
2145 (compute_ae_gen): Local variable `i' now unsigned.
2146 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2147 (compute_transout, hoist_code): Likewise.
2148 (compute_local_properties): Likewise, also hash_table_size.
2149 (alloc_expr_hash_table): N_INSNS now unsigned.
2150 (delete_null_pointer_checks): Mark arg F as unused.
2152 * regrename.c: Minor cleanups, including chang some variables
2155 2000-04-10 Neil Booth <NeilB@earthling.net>
2157 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2159 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2161 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2163 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2164 __classof__, and __headof__ from the list of gnu keywords.
2165 (-ansi): Remove -foperator-names from list of implied options.
2166 Do not call it ANSI C++.
2167 (-foperator-names): Document as -fno-operator-names.
2169 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2171 * cpphash.c (timestamp): Delete.
2172 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2173 (special_symbol): Remove unnecessary braces. Remove
2174 T_VERSION. Treat T_STDC like T_CONST unless
2175 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2176 when one is encountered, then convert them into T_MCONST
2178 * cppinit.c (builtin_array): version_string is T_MCONST.
2179 __STDC__ has a "1" in its cpval. Don't have a terminator
2180 entry. Clean up which entries are dumped.
2181 (initialize_builtins): Only __STDC__ gets the special
2182 -traditional treatment. Count the length of builtin_array.
2183 Render version_string here.
2184 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2185 * cpplib.h (struct cpp_reader): Remove timebuf.
2187 2000-04-09 Richard Henderson <rth@cygnus.com>
2189 * genrecog.c (pred): Update comparison_operator for the unordered
2192 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2194 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2195 (uno_comparison_operator): New.
2196 (put_condition_code): Handle UNORDERED/ORDERED.
2197 (unsigned_comparison): Likewise.
2198 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2199 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2200 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2201 update all callers. Handle all 8 unordered operators.
2202 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2203 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2204 * config/i386/i386.h (PREDICATE_CODES): Update.
2205 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2206 (ix86_expand_branch, ix86_expand_setcc): Update.
2207 * config/i386/i386.md (sunordered, sordered): New.
2208 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2209 (bunordered, bordered): New.
2210 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2211 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2212 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2214 2000-04-09 Philip Blundell <philb@gnu.org>
2216 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2218 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2220 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2221 fix_truncxfhi2): New patterns.
2222 * i386.c (output_fix_trunc): Handle converting to HImode.
2224 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2226 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2228 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2229 (for_each_successor_phi): Change parameter to basic_block.
2230 (coalesce_regs_in_successor_phi_nodes): Likewise.
2231 (coalesce_regs_in_copies): Likewise.
2232 (compute_coalesced_reg_partition): Use basic_block instead of index.
2233 * rtl.h (convert_to_ssa): Delete.
2234 (convert_from_ssa): Likewise.
2235 (successor_phi_fn): Likewise.
2236 (for_each_successor_phi): Likewise.
2237 (in_ssa_form): Likewise.
2238 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2239 (convert_from_ssa): Likewise.
2240 (successor_phi_fn): Likewise.
2241 (in_ssa_form): Likewise.
2242 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2243 * flow.c (calculate_global_regs_live): Pass a basic_block to
2244 for_each_successor_phi.
2246 2000-04-08 Richard Henderson <rth@cygnus.com>
2248 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2249 was modified in the current insn.
2251 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2253 * arm/thumb.md: Delete.
2254 * arm/thumb-protos.h: Delete.
2256 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2258 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2260 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2262 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2265 * arm.md (nop): Use the standard RTL expression. Don't code as a
2267 (*arm_nop, *thumb_nop): Delete.
2269 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2270 constants. Use casts instead.
2271 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2272 output_multi_immediate, arm_poke_function_name): Likewise.
2273 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2274 MASK_RETURN_ADDDR): Likewise.
2276 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2278 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2281 * arm.md (eh_epilogue): New function.
2282 * arm.h (struct machine_function): Move to here ...
2283 * arm.c: ... from here.
2284 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2285 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2286 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2288 2000-03-30 Nick Clifton <nickc@cygnus.com>
2290 * config/arm/semi.h (ASM_SPEC): Restore definition.
2291 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2293 * config/arm/elf.h (ASM_SPEC): Restore definition.
2294 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2296 * config/arm/arm.h (ASM_SPEC): Remove definition.
2297 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2299 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2301 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2303 2000-03-24 Nick Clifton <nickc@cygnus.com>
2305 Various formating tidyups, elimination of compile time
2306 warnings and synchronisation with internal sources:
2308 * config/arm/arm-protos.h (assemble_align): Add prototype.
2309 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2310 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2311 (arm_return_addr_rtx): Rename to arm_return_addr.
2313 * config/arm/arm.c: Include except.h.
2314 Define shorter typenames for strict minipool_node and struct
2316 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2318 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2319 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2321 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2323 (ASM_SPEC): Define if not already defined.
2324 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2326 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2327 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2328 arm_gen_compare_reg.
2329 (indirect_jump): Only accept register operands.
2330 (load_indirect_jump): Keep this pattern since combine can generate
2333 * config/arm/coff.h: Include aout.h.
2334 (MULTILIB_DEFAULTS): Only define if not already defined.
2336 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2337 into arm.h (so that COFF ports can support thumb based aliases).
2338 (ASM_SPEC): Move definition into arm.h
2340 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2341 redundant apcs spec.
2342 (ASM_SPEC): Move definition to arm.h
2344 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2346 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2347 for entries in the .bss section
2349 2000-03-23 Nick Clifton <nickc@cygnus.com>
2351 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2352 to thumb_far_jump_used_p.
2354 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2355 single integer parameter.
2357 * config/arm/arm.c (struct machine_function): Add two new
2358 fields, 'far_jump_used' and 'arg_pointer_live'.
2359 (thumb_far_jump_used_p): Once the decision has been made that
2360 far jumps might be used, always return true.
2361 If being called from the initial elimination offset macro then
2362 do not bother to perform the test if the arg pointer is not
2364 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2365 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2367 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2369 * arm.c (output_return_instruction): Handle more cases where we can
2370 return from a function with an ldr instruction.
2371 (arm_output_epilogue): Likewise.
2373 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2374 if we need to push a large stack frame and there are no callee-saved
2377 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2378 in ARM code if the frame pointer has been eliminated.
2380 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2381 unspec_volatile arguments to avoid duplicates.
2382 (consttable_1, consttable_2): Fixes for big-endian mode.
2384 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2387 Re-write constant pool code.
2388 * arm.c (minipool_node, minipool_fix): New types.
2389 (minifix): Delete type.
2390 (arm_add_minipool_constant): Delete.
2391 (arm_compute_minipool_offsets, arm_find_barrier,
2392 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2393 (get_jump_table_size): Now returns HOST_WIDE_INT.
2394 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2396 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2397 (assign_minipool_offsets, arm_print_value): Likewise.
2398 (dump_minipool): Rewrite.
2399 (arm_barrier_cost): New function.
2400 (create_fix_barrier): New function.
2401 (push_minipool_barrier): New function.
2402 (push_minipool_fix): Record additional information about the fixup
2404 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2405 check the mode of what needs fixing.
2406 (arm_reorg): Rewrite.
2408 2000-03-08 Nick Clifton <nickc@cygnus.com>
2410 * config/arm/arm.md (indirect_jump): Force constant addresses into
2413 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2415 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2417 2000-02-24 Nick Clifton <nickc@cygnus.com>
2419 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2420 adjust is word aligned.
2421 (thumb_expand_epilogue): Make sure that stack adjust is word
2424 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2426 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2428 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2429 pointer relative addresses.
2431 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2433 * arm.c (find_barrier): Find the last barrier within the allowed
2436 2000-02-09 Nick Clifton <nickc@cygnus.com>
2438 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2440 2000-02-09 Nick Clifton <nickc@cygnus.com>
2442 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2443 ARM_FUNCTION_PROFILER.
2445 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2446 ARM_FUNCTION_PROFILER.
2448 * config/arm/linux-oldld.h: Imported from mainline sources.
2450 2000-02-07 Nick Clifton <nickc@cygnus.com>
2452 * config/arm/lib1funcs.asm: Merge in thumb functions from
2455 * config/arm/lib1thumb.asm: Delete.
2457 2000-02-04 Nick Clifton <nickc@cygnus.com>
2459 * config/arm/arm.c: Sychronised with current Red hat local
2461 * config/arm/arm.h: Ditto.
2462 * config/arm/arm-protos.h: Ditto.
2464 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2466 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2468 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2471 2000-02-02 Nick Clifton <nickc@cygnus.com>
2473 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2475 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2476 (return) was emited using an emit_insn() call.
2478 2000-01-31 Nick Clifton <nickc@cygnus.com>
2480 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2482 (thumb_exit): Move frame pointer back into hard frame pointer
2483 register if backtracing is being used.
2485 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2487 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2490 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2492 * config/arm/arm.md (neg_pool_offset): Provide default for new
2494 (arm_movsi_insn): Add neg_pool_offset attribute.
2495 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2496 rtx for the insn that starts the scan and an unsigned long for its
2497 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2498 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2499 instructions in *PINSERTED.
2500 (struct minipool_fixup): Add MIN_ADDRESS elt.
2501 (sort_fixups): Compute it.
2502 (arm_reorg): Changes to support inserting pools before the insn to be
2505 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2507 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2508 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2509 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2511 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2513 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2515 (TARGET_DEFAULT): Do not define if already defined.
2517 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2519 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2520 (iordi3): Allow disjoint source operands.
2521 (xordi3): Allow disjoint source operands.
2522 (negdi2): Permit construction for ARM and Thumb.
2523 (arm_negdi2): Renamed version of old negdi2 pattern.
2524 (thumb_negdi2): New pattern: Only permit non-overlapping
2525 source and destination.
2527 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2529 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2530 scratch low register so that it will not be deleted.
2532 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2534 * config/arm/pe.h (ARM_PE): Define.
2536 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2537 interfacearm attribute if this is a PE toolchain.
2538 (output_return_instruction): Do not emit anything if the function
2539 has the naked attribute set.
2540 (is_called_in_ARM_mode): If the function has the interfacearm
2541 attribute then return true.
2542 (thumb_expand_prologue): Do not generate a prologue for naked
2544 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2546 (output_thumb_prologue): Do not bother if the function is naked.
2547 Strip PE encoding from function name before emitting.
2549 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2551 * arm.md (pic_load_addr): Fix constraints.
2553 * arm.md (casesi_insn): Fix mis-applied patch.
2555 * arm.md ("core" function unit): Add rules for single- and
2557 (All TARGET_THUMB patterns): Add "type" attribute information
2559 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2560 the following insn is a CALL.
2562 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2564 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2565 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2566 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2568 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2570 * config/arm/linux-gas.h: oops - this file was missed out when the
2571 branch was created...
2573 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2575 * thumb.c: Deleted. Move contents to ...
2577 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2579 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2582 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2583 declare a prototype for asm_output_align();
2585 * arm.c (thumb_condition_code): Delete.
2586 (arm_print_operand): Always use arm_condition_code array.
2588 * arm.c (thumb_return_addr_rtx): Delete.
2589 (arm_save_machine_status, arm_restore_machine_status): Delete.
2590 (arm_init_machine_status, arm_mark_machine_status): New functions.
2591 (arm_init_expanders): Update accordingly.
2592 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2593 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2594 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2596 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2598 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2600 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2603 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2605 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2606 stack backtrace structure.
2608 * config/arm/arm-protos.h: Add prototypes for functions defined in
2611 * config/arm/arm.c (arm_override_options): Fix selection of
2612 attributes of default processor.
2614 * config/arm/coff.h: Delete needless #include.
2616 * config/arm/pe.c: Delete unused code.
2618 * config/arm/pe.h (CPP_DEFINES): Delete
2619 (SUBTARGET_CPP_SPEC): Define.
2620 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2622 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2624 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2626 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2628 (CAN_DEBUG_WITHOUT_FP): Define.
2629 (FIXED_REGISTERS): Make r11 call-saved.
2630 (CALL_USED_REGISTERS): Likewise.
2631 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2632 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2633 frame-pointer is required.
2634 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2635 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2636 if the target normally needs a stack frame in non-leaf functions.
2637 (use_return_insn): Correct logic for determining when a return
2638 instruction can be used.
2639 (output_return_instruction): Handle the frame-pointer register as
2640 a normal register when not TARGET_APCS_FRAME.
2641 (arm_output_prologue): Likewise.
2642 (arm_output_epilogue): Likewise.
2643 (output_func_epilogue): Likewise.
2644 (arm_expand_prologue): Likewise.
2645 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2647 * arm.c (use_return_insn): No need to check floating point regs if
2649 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2650 the code of value stored in the minipool array.
2651 (arm_add_minipool_constant): Likewise.
2653 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2655 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2657 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * tree.c (tree_expr_nonnegative_p): New function.
2661 * tree.h (tree_expr_nonnegative_p): Declare.
2663 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2664 elide some sign_compare warnings.
2665 (build_conditional_expr): Likewise.
2667 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2669 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2671 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2672 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2673 operand. Abort if a 387 operand has an unsupported size.
2675 2000-04-08 Neil Booth <NeilB@earthling.net>
2677 * cppexp.c (parse_charconst): Null does not end character
2679 * cppinit.c (ISTABLE): Null character handled as whitespace.
2680 * cpplex.c (null_warning): new function.
2681 (skip_string): Emit warning if nulls encountered.
2682 (_cpp_skip_hspace): Emit warning if nulls encountered.
2683 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2687 2000-04-07 Richard Henderson <rth@cygnus.com>
2689 * flow.c (loop_depth): Remove.
2690 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2691 (struct propagate_block_info): New.
2692 (life_analysis): Don't allocate reg_next_use.
2693 (propagate_block_delete_insn): Break out of propagate_block.
2694 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2695 (propagate_block_delete_libcall): Likewise.
2696 (propagate_block): Create a propagate_block_info struct to pass
2697 to subroutines. Allocate one not two temporary regsets. Don't
2698 clobber memory for const calls. Look for clobbers in
2699 CALL_INSN_FUNCTION_USAGE.
2700 (mark_set_regs): Recognize COND_EXEC.
2701 (mark_set_reg): Break out of mark_set_1.
2702 (mark_used_reg): Break out of mark_used_regs.
2703 (mark_used_regs): Recognize COND_EXEC.
2704 (insn_dead_p): Use propagate_block_info struct.
2705 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2706 (find_auto_inc, try_pre_increment_1): Likewise.
2707 (print_rtl_with_bb): Dump regs live at end too.
2708 (count_reg_sets_1): Pass in loop_depth.
2709 (count_reg_sets, count_reg_references): Likewise.
2710 (recompute_reg_usage): Provide it.
2712 2000-04-07 Richard Henderson <rth@cygnus.com>
2714 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2717 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2719 * cpplib.c (do_elif): Skip the rest of the line if we're
2720 not going to bother evaluating it.
2721 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2722 to avoid pointless calls to the lexer.
2724 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2726 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2728 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2730 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2732 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2734 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2736 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2738 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2739 crtend so they can be multilibbed.
2740 (STAGESTUFF): Remove s-crt and s-crtS.
2742 2000-04-07 Richard Henderson <rth@cygnus.com>
2744 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2745 if we discover we need a pseudo and no_new_pseudos is true.
2746 * config/alpha/alpha.md (ne:DI insn): New.
2747 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2749 2000-04-07 Richard Henderson <rth@cygnus.com>
2751 * rtl.def (COND_EXEC): New.
2752 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2753 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2755 * genconfig.c (have_cond_arith_flag): Remove.
2756 (have_cond_exec_flag): New.
2757 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2758 (main): Print HAVE_conditional_execution.
2760 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2761 (sched_analyze_insn, print_pattern): Likewise.
2762 * reload.c (find_equiv_reg): Likewise.
2763 * rtlanal.c (reg_referenced_p): Likewise.
2764 (note_stores, dead_or_set_regno_p): Likewise.
2765 (reg_overlap_mentioned_p): Rewrite to use a switch.
2767 * ggc.h (struct rtx_def): Forward declare.
2769 * print-rtl.c (debug_rtx_range): New.
2770 * rtl.h (debug_rtx_range): Declare.
2772 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2774 * gcse.c (gcse_main): Don't rebuild the CFG here.
2775 (delete_null_pointer_checks): Likewise.
2776 * ssa.c (convert_to_ssa): Likewise.
2777 * toplev.c (rest_of_compilation): Do it here instead. Combine
2778 sequential calls to TIMEVAR. Consistently use `insns' instead of
2779 `get_insns()'. Always split insns after reload when optimizing.
2781 * basic-block.h (merge_blocks_nomove): Declare.
2782 (tidy_fallthru_edge): Declare.
2783 * flow.c (merge_blocks_nomove): Document as merging into previous
2784 blocks. Remove cruft from between blocks; remove all edges out of A.
2785 (tidy_fallthru_edge): Export.
2787 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2789 * ssa.c (compute_conservative_reg_partition): Declare with
2791 * toplev.c (clean_dump_file): Remove previously-deleted function
2792 inadvertantly merged back in.
2793 * conflict.c (conflict_graph_add): Use a single call to
2794 htab_find_slot to look up and insert.
2796 2000-04-06 Richard Henderson <rth@cygnus.com>
2798 * genrecog.c (*): Rename _last_insn to last_insn.
2799 (make_insn_sequence): Set the position of the peephole2 C test
2800 to be at the last insn.
2802 2000-04-06 Richard Henderson <rth@cygnus.com>
2804 * flow.c (compute_flow_dominators): Free worklist.
2806 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2808 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2810 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2812 * rtl.h (INSN_P): New macro.
2813 (successor_phi_fn): New typedef.
2814 (for_each_successor_phi): New prototype.
2815 (in_ssa_form): New variable.
2816 (PHI_NODE_P): Likewise.
2817 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2818 phi nodes in successors.
2819 (mark_used_regs): Add PHI case.
2820 (set_phi_alternative_reg): New function.
2821 (life_analysis): Assert that dead code elimination is not selected
2823 * toplev.c (to_ssa_time): New variable.
2824 (from_ssa_time): Likewise.
2825 (compile_file): Zero to_ssa_time and from_ssa_time.
2826 Print time to convert to and from SSA.
2827 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2828 (print_time): Compute percent fraction as integer.
2829 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2830 (convert_to_ssa): Check if we're already in SSA.
2831 Don't eliminate dead code in life_analysis.
2832 Rerun flow and life analysis at bottom.
2833 (eliminate_phi): Use canonical regnos when adding nodes.
2834 (mark_reg_in_phi): New function.
2835 (mark_phi_and_copy_regs): Likewise.
2836 (convert_from_ssa): Rerun life analysis at top.
2837 Use coalesced partition.
2838 Check for removing a phi node at the end of the block.
2839 (compute_coalesced_reg_partition): New function.
2840 (coalesce_regs_in_copies): Likewise.
2841 (coalesce_reg_in_phi): Likewise.
2842 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2843 (for_each_successor_phi): Likewise.
2844 (rename_context): New struct.
2845 (rename_block): Use a rename_context with rename_insn_1. When
2846 renaming sets of a subreg, emit a copy of the entire reg first.
2847 (rename_insn_1): Treat data as a rename_context *. Save current
2849 (rename_set_data): Add field set_insn.
2850 * Makefile.in (HASHTAB_H): Move up in file.
2851 (OBSTACK_H): New macro.
2852 (collect2.o): Use OBSTACK_H in dependencies.
2853 (sdbout.o): Likewise.
2854 (emit-rtl.o): Likewise.
2855 (simplify-rtx.o): Likewise.
2856 (fix-header.o): Likewise.
2857 (OBJS): Add conflict.o.
2858 (conflict.o): New rule.
2859 * basic-block.h: Include partition.h.
2860 (conflict_graph): New typedef.
2861 (conflict_graph_enum_fn): Likewise.
2862 (conflict_graph_new): New prototype.
2863 (conflict_graph_delete): Likewise.
2864 (conflict_graph_add): Likewise.
2865 (conflict_graph_conflict_p): Likewise.
2866 (conflict_graph_enum): Likewise.
2867 (conflict_graph_merge_regs): Likewise.
2868 (conflict_graph_print): Likewise.
2869 (conflict_graph_compute): Likewise.
2870 * conflict.c: New file.
2872 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2874 * tlink.c (read_repo_files): Don't look for .rpo info for
2877 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2879 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2881 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2883 * config/sh/lib1funcs.asm (___udivsi3_i4):
2884 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2885 only depends on FMOVD_WORKS.
2887 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2889 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2890 make double constant 8-byte aligned.
2892 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2894 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2895 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2896 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2897 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2898 Accept storing GENERAL_REGS into offsetable memory.
2899 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2900 building a TFmode constant other than 0.0L into GENERAL_REGS.
2902 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2904 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2906 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2908 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2909 (macro_cleanup): No need to cast pbuf->macro.
2910 (collect_expansion): Use _cpp_get_define_token. Goto done if
2911 it returns VSPACE. Remove check for trailing space after
2913 (_cpp_create_definition): Don't diddle flags here. Return
2915 (unsafe_chars): Handle c1 being EOF.
2916 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2917 checks. Don't push the buffer till after we're done with
2919 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2920 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2921 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2923 (_cpp_parse_assertion): Don't NUL terminate.
2924 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2925 hspace before calling _cpp_parse_assertion. Remove all sets
2926 of only_seen_white. Treat '\f' as hspace. Don't do anything
2927 special with '\n' here.
2928 (maybe_macroexpand): Handle T_EMPTY hash entries without
2929 pushing a buffer at all.
2930 (cpp_get_token): Handle clearing only_seen_white here. Handle
2931 incrementing the line number here. Clear
2932 potential_control_macro as well as only_seen_white, if
2934 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2935 (_cpp_get_define_token): New function, basically like
2936 _cpp_get_directive_token was but doesn't eat horizontal space.
2937 Don't do anything with only_seen_white here.
2938 (_cpp_get_directive_token): Just call _cpp_get_define_token
2939 repeatedly till it returns non-hspace.
2941 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2942 (conditional_skip, skip_if_group): Return int.
2943 (DIRECTIVE_TABLE): Change origin of all conditional directives
2945 (TRAD_DIRECT_P): New macro.
2946 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2947 an error for a bogus directive, unless -lang-asm. Use
2948 TRAD_DIRECT_P. Loop calling handler functions till one returns
2950 (get_macro_name): Don't diddle flags here.
2951 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2952 Create T_EMPTY nodes for #define macro /* nothing */.
2953 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2954 Use hp->name when calling pass_thru_directive.
2955 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2956 Return the result of conditional_skip and/or skip_if_group.
2957 Don't call _cpp_output_line_command.
2958 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2959 Issue -Wtraditional warnings as appropriate. Don't complain
2960 about unrecognized directives. If we are to stop skipping,
2961 return the number of the directive that ended the skip.
2962 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2963 expansion and line commands while skipping. Return the result
2964 of consider_directive_while_skipping, if nonzero.
2965 (do_endif): Just set potential_control_macro here.
2966 (validate_else): Use _cpp_get_directive_token.
2967 (do_assert, do_unassert): Don't save pointers into the
2968 token_buffer across calls to the lexer. Use
2969 _cpp_get_directive_token.
2971 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2972 pointer, not an offset. Replace 'data', which was a generic
2973 pointer, with 'macro', which points to a struct hashnode.
2974 (cpp_reader): Add 'potential_control_macro' pointer.
2975 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2976 (CPP_BUF_GET, CPP_FORWARD): Delete.
2977 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2978 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2979 ACTIVE_MARK_P): Update.
2980 (_cpp_get_define_token): New internal function.
2981 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2983 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2985 * configure.in: And here.
2986 * configure: Regenerate.
2987 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2988 --enable-libstdcxx-v3 is passed at configure time.
2989 * config.h.in: Regenerate.
2991 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2993 * final.c (final): Use xcalloc to allocate line_note_exists.
2994 * function.c (free_after_compilation): Free the temp_slots.
2995 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2996 (combine_temp_slot): Free temp_slots when they get combined.
2997 (purge_addressof): Fix typo in comment.
2998 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2999 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3001 * ggc.h: Include varray.h.
3002 (ggc_pending_trees): Declare.
3003 (ggc_mark_tree_children): Remove declaration.
3004 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3005 * ggc-common.c (ggc_pending_trees): New variable.
3006 (ggc_mark_roots): Call ggc_mark_trees.
3007 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3008 the ggc_pending_trees.
3009 * Makefile.in (GGC_H): New variable. Use it throughout in place
3012 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3014 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3017 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3019 * sh.c (sh_insn_length_adjustment): New function.
3020 * sh-protos.h (sh_insn_length_adjustment): Declare.
3021 * sh.h (ADJUST_INSN_LENGTH): Use it.
3023 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3025 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3026 from the insn where REG_RETVAL is added.
3027 (emit_no_conflict_block): Ditto.
3029 * md.texi (Standard Names): Clarify when movX is needed.
3031 * combine.c (simplify_comparison) [MINUS]: Do not replace
3032 all (op (minus A B) 0) with (op A B).
3034 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3035 J"orn Rennecke <amylaar@cygnus.co.uk>
3037 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3038 (block_lump_real): Likewise.
3040 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3042 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3043 remaining non-zero debugging masks.
3045 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3047 * basic-block.h (verify_flow_info): Declare.
3048 (flow_loop_outside_edge_p): Declare.
3049 * flow.c (verify_flow_info): Remove declaration.
3050 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3052 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3054 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3057 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3059 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3060 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3061 seqdi_zero_trunc+1): Allow splits only if registers are
3064 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3066 * acconfig.h: Add HAVE_GAS_HIDDEN.
3067 * config.in: Regenerated.
3068 * configure.in: Add test for .hidden pseudo-op in gas.
3069 * configure: Regenerated.
3070 * crtstuff.c: Include auto-host.h.
3071 Emit additional .hidden pseudo-op for __dso_handle if the
3072 assembler knows about it.
3074 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3076 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3077 before freeing argnames.
3078 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3080 2000-04-05 Michael Meissner <meissner@redhat.com>
3082 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3083 Walton <jonboy@gordian.com> to make memory references with update
3084 work wtih -mregnames.
3086 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3088 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3089 (regrename_optimize): Rename variables `def_uses' and
3090 `ext_basic_blocks' to avoid conflicts with similarly named
3091 typedefs in traditional C.
3093 * calls.c (initialize_argument_information): Fix typo in previous
3096 2000-04-04 Richard Henderson <rth@cygnus.com>
3098 * regrename.c (consider_available): Test fixed_regs not
3099 PIC_OFFSET_TABLE_REGNUM.
3101 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3103 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3105 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3106 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3107 (ENDFILE_LINUX_SPEC): Always use crtend.
3108 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3109 (powerpc-*-linux-gnu): Likewise.
3110 * configure: Regenerate.
3112 * config/rs6000/eabi.h: Don't include sysv4.h.
3113 (MULTILIB_DEFAULTS): Don't define.
3114 * config/rs6000/eabiaix.h: Don't include eabi.h.
3115 * config/rs6000/eabile.h: Delete.
3116 * config/rs6000/eabilesim.h: Delete.
3117 * config/rs6000/eabisim.h: Don't include eabi.h.
3118 * config/rs6000/linux.h: Don't include sysv4.h.
3119 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3120 (MULTILIB_DEFAULTS): Don't redefine.
3121 * config/rs6000/rtems.h: Don't include eabi.h.
3122 * config/rs6000/sol2.h: Don't include sysv4le.h.
3123 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3124 * config/rs6000/t-ppc: Delete.
3125 * config/rs6000/t-ppcgas: Correct comment.
3126 * config/rs6000/t-ppcos: Correct comment. Don't build
3127 multilibs for -fPIC, rather use -fPIC -mstrict-align
3129 * config/rs6000/t-ppc: Delete.
3130 * config/rs6000/vxppc.h: Don't include sysv4.h.
3131 * config/rs6000/vxppcle.h: Delete.
3132 * configure.in: Use multiple header files for p2pc ELF targets
3133 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3134 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3135 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3136 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3137 always available for these platforms.
3139 2000-04-04 Richard Henderson <rth@cygnus.com>
3141 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3143 2000-04-04 Stan Cox <scox@cygnus.com>
3145 * Makefile.in: Add rules for regrename.o
3146 * regrename.c: New file.
3147 * rtl.h (regrename_optimize): Add prototype.
3148 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3149 (compile_file, decode_d_option): Add support for -frename-registers.
3150 (rest_of_compilation): Call regrename_optimize.
3151 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3154 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3156 * Makefile (gccbug): New target.
3157 (doc): Depend on it.
3158 * gcc.texi (Bugs): Link subnodes.
3160 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3161 Document severities, priorities, and classes in bug form.
3163 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3165 * cpplex.c (trigraph_map, speccase): Combine into single
3167 (NORMAL, NONTRI): New macros.
3168 (_cpp_read_and_prescan): Change to use unified table. Use
3169 is_hspace to test for whitespace.
3171 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3172 definition that doesn't provoke the "empty body in an
3173 if-statement" warning.
3175 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3177 * builtins.c (expand_builtin_strlen): Force the source to
3178 be a memory address.
3180 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3182 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3184 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3186 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3187 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3188 (ECF_IS_CONST): Rename to ECF_CONST.
3189 (special_function_p): Make static, change interface.
3190 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3191 (expand_call) ... here; convert number of variables to flags.
3192 (emit_library_call_vlue_1): Likewise.
3193 (setjmp_call_p): New function.
3194 (initialize_argument_information): Accepts flags as argument;
3196 (precompute_arguments): Likewise.
3197 * tree.h (special_function_p): Remove.
3198 (setjmp_call_p): Add prototype.
3200 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3202 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3203 so that addresses are offsetable by up to 16 bytes.
3204 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3205 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3208 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3209 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3210 (movsf): Don't force any constant to memory if target is integer
3212 Move fp_zero_operand check below the const0_rtx check.
3213 (movtf): Likewise. Also allow fp_zero_operand for stores into
3215 (movdf): Likewise. Also allow fp_zero_operand for stores into
3216 memory and into integer hard registers.
3217 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3218 movdf_const_intreg_sp64): Remove.
3219 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3221 (movdf_no_e_insn_v9_sp32): New pattern.
3222 (movdf_insn_v9only): Remove.
3223 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3224 (movdf_insn_sp64): Remove.
3225 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3226 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3227 (following splits): Rewrite conditions. Add two new splits
3228 for storing 0.0 into memory and registers.
3229 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3230 (movtf_insn_sp32): Redo constraints and conditions.
3231 (movtf_insn_vis_sp32): New pattern.
3232 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3233 (movtf_insn_hq_sp64): Likewise.
3234 (movtf_insn_hq_vis_sp64): New pattern.
3235 (movtf_insn_sp64): Redo constraints and conditions.
3236 (movtf_insn_vis_sp64): New pattern.
3237 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3238 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3240 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3241 -mvis or -m64 to take down the number of various reload patterns.
3243 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3245 * pa/pa-64.h: New file.
3246 * pa/pa64-regs.h: New file.
3247 * pa/pa64-start.h: New file.
3248 * pa/t-pa64: New file.
3249 * pa/xm-pa64hpux.h: New file.
3251 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * sparc.c (output_restore_regs): Prototype.
3254 (sparc_emit_float_lib_cmp): Constification.
3256 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3258 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3261 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3262 (get_value_hash, hash_rtx): Likewise.
3264 * ssa.c (compute_conservative_reg_partition): Prototype.
3266 * tree.c (mark_hash_entry): Prototype.
3268 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3270 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3271 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3272 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3274 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3275 * objc/lang-specs.h: Likewise.
3277 2000-04-03 Neil Booth <NeilB@earthling.net>
3279 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3280 and SYNTAX_ERROR2. Replace `' in messages with ''.
3281 (op_to_str): Make re-entrant.
3282 (_cpp_parse_expr): Implement new error macros. Use | rather
3283 than || to logically or 2 boolean integers. Simply expression
3284 checking we have a left operand iff needed.
3286 2000-04-03 Nick Clifton <nickc@cygnus.com>
3288 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3290 2000-04-03 Philip Blundell <philb@gnu.org>
3292 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3294 2000-04-03 Felix Lee <flee@cygnus.com>
3296 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3297 (run_shell): Use it.
3299 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3301 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3302 (stmp-fixproto): ...rather than here.
3304 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3306 * pa.c (print_operand): Compute 'base' only inside the code paths
3309 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3311 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3314 2000-04-03 Philipp Thomas <pthomas@suse.de>
3316 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3318 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3320 * Makefile.in (alias.o): Depend on $(TREE_H).
3322 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3324 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3326 * cpplib.c (_cpp_handle_directive): Improve warnings for
3327 traditional C and indented directives.
3329 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3330 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3331 fixinc/inclhack.def: Indent the # of #include_next one space.
3332 * cp/rtti.c: Un-indent #if and #endif.
3334 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3335 syntax error, but an error has already been printed.
3336 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3337 message when called with nothing remaining on the line.
3338 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3339 OTHER token, not an ASSERTION.
3340 * cpplib.c (do_assert): When we create a 'base' node, clear
3341 its aschain pointer.
3343 2000-04-02 Neil Booth <NeilB@earthling.net>
3345 * cppexp.c: New typedef op_t. struct operation and struct
3346 token updated to use it.
3347 (op_to_str): New function.
3348 (_cpp_parse_expr): Error messages modified to use op_to_str.
3350 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3352 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3353 before checking MUST_PASS_IN_STACK.
3355 2000-04-02 Neil Booth <NeilB@earthling.net>
3357 * cppexp.c: New FINISHED dummy token. Combine operator initial
3358 flags and initial priority into a single constant. New
3359 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3360 (_parse_cpp_expr): Implement new constants. Take left operand
3361 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3362 parse indicated by reducing FINISHED token. Remove new lines
3363 from cpp_error messages.
3365 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3367 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3370 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3372 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3373 directive. Add origin values to DIRECTIVE_TABLE. Generate
3374 the strings and function names on the fly. Take the #sccs
3375 entry out of the table if SCCS_DIRECTIVE is not defined.
3376 (_cpp_handle_directive): Decide if the # was at the beginning
3377 of the line here. Issue -pedantic warnings for extended
3378 directives here. Warn about K+R directives with the #
3379 indented, and C89/extended directives with the # not indented,
3381 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3382 do_assert, do_unassert): Don't issue pedantic warning here.
3384 * cpphash.h: Add CPP_WTRADITIONAL macro.
3385 * cpplib.h (struct cpp_options): Rename warn_stringify to
3386 warn_traditional; update comments.
3387 * cppinit.c (handle_option): Set warn_traditional not
3389 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3390 CPP_WTRADITIONAL (pfile).
3391 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3392 be ignored in -traditional mode here.
3394 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3395 to initialize speccase[] and trigraph_map[]. Delete all
3396 references to pfile->input_speccase. Always treat '?' as a
3397 special character. Remove table-initialization code from
3398 _cpp_init_input_buffer.
3400 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3401 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3403 2000-04-01 Richard Henderson <rth@cygnus.com>
3405 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3406 (mostlyclean): Likewise.
3408 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3409 (struct dump_file_info, enum dump_file_index, dump_file): New.
3410 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3411 not a string. Clean out file if we havn't yet done so. Do nothing
3412 if the dump isn't enabled.
3413 (close_dump_file): Do nothing if the dump isn't open. Dump
3414 graph data if requested.
3415 (dump_rtl, clean_dump_file): Remove.
3416 (compile_file): Don't clean the dump files. Only finalize .bp dump
3417 if flag_test_coverage or flag_branch_probabilities. Only finalize
3418 .combine dump if optimizing. Iterate over dump_file to finalize the
3420 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3421 Convert all uses of dump_rtl.
3422 (decode_d_option): Iterate over dump_file to implement 'a' and to
3423 locate pass-specific dumps.
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