1 2000-04-30 Richard Henderson <rth@cygnus.com>
3 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
4 referenced bewteen the condition and the jump. Don't delete
7 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
9 * bb-reorder.c (scope_def): New struct.
10 (scope_forest_info): New struct.
11 (struct reorder_block_def): New member "scope".
12 (REORDER_BLOCK_SCOPE): New macro.
13 (relate_bbs_with_scopes): New function and prototype.
14 (make_new_scope): Likewise.
15 (build_scope_forest): Likewise.
16 (remove_scope_notes): Likewise.
17 (insert_intra_1): Likewise.
18 (insert_intra_bb_scope_notes): Likewise.
19 (insert_inter_bb_scope_notes): Likewise.
20 (rebuild_scope_notes): Likewise.
21 (free_scope_forest_1): Likewise.
22 (free_scope_forest): Likewise.
23 (dump_scope_forest): Likewise.
24 (dump_scope_forest_1): Likewise.
25 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
26 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
28 (reorder_basic_blocks): Added calls to build_scope_scope_forest
29 and remove_scope_notes before reordering is done. Added calls to
30 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
31 after reordering is done.
33 2000-40-30 Bruce Korb <bkorb@gnu.org>
35 * fixinc/inclhack.def: Added definitions needed by OSR5,
36 removed two stale entries (defined away with OLD_CPP).
37 * fixinc/inclhack.sh: regen
38 * fixinc/fixincl.x: regen
40 2000-04-30 Richard Henderson <rth@cygnus.com>
42 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
43 from the last insn in the sequence.
45 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
47 * cpplex.c (cpp_idcmp): New function.
48 * cpplib.h: Prototype it.
49 * scan_decls.c (scan_decls): Use it to inspect token names.
50 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
51 the file being run through the preprocessor.
52 (check_macro_names): Provide length of token to cpp_defined.
54 * Makefile.in: Remove stale warning message.
56 * cppfiles.c (redundant_include_p): Provide length of token to
58 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
59 values are unsigned int.
60 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
61 (_cpp_lookup_slot): Do not calculate the hash, either.
62 * cpphash.h: Update prototypes.
63 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
64 Hashes are unsigned int. Calculate hash here, pass by value
67 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
69 * simplify-rtx.c (check_value_useless): Delete function.
70 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
72 (cselib_invalidate_regno): Likewise.
73 (cselib_invalidate_mem_1): Likewise.
74 (references_value_p): Recognize useless values by the fact that they
76 (discard_useless_values): Likewise.
77 (cselib_record_set): This may turn a useless value
80 2000-04-30 Richard Henderson <rth@cygnus.com>
82 * config/d30v: New port.
84 * configure.in (d30v-*): Set fp format.
87 2000-04-30 Richard Henderson <rth@cygnus.com>
90 * Makefile.in (OBJS): Add it.
91 (ifcvt.o): New target.
92 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
93 and conditional arithmetic.
94 (find_insert_position): Remove.
95 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
96 * toplev.c (DFI_ce, DFI_ce2): New.
97 (dump_file): Add ce and ce2 dumps.
98 (rest_of_compilation): Run if_convert a couple o times. Set
99 cse_not_expected after cse2. Don't set no_new_pseudos until
100 after sched1 or recompute_reg_usage.
102 2000-04-30 Richard Henderson <rth@cygnus.com>
104 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
105 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
107 2000-04-30 Richard Henderson <rth@cygnus.com>
109 * flow.c (struct reg_cond_life_info): New.
110 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
111 (init_propagate_block_info): Initialize them.
112 (free_propagate_block_info): Destruct them.
113 (mark_set_1): Consider conditional life before killing a register.
114 (mark_regno_cond_dead): New.
115 (free_reg_cond_life_info): New.
116 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
117 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
118 (mark_used_reg): Record conditional life.
120 * haifa-sched.c (schedule_insns): Disable death counting
121 sanity check for HAVE_conditional_execution.
123 2000-04-30 Richard Henderson <rth@cygnus.com>
125 * Makefile.in (TIMEVAR_H): New.
126 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
127 (timevar.h): Remove rule.
129 2000-04-29 Richard Henderson <rth@cygnus.com>
131 * config/alpha/crtend.asm: Use C comments instead of #.
132 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
134 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
136 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
138 * cpphash.h (enum node_type: Take out T_MCONST.
139 (union hashval): Move into struct hashnode.
140 (struct hashnode): Pack tighter. Remove file, line, col
142 * cpphash.c: Constify most of the macro-definition structures.
143 (struct definition): Replace by struct object_defn
144 and struct funct_defn. Put file, line, column information
145 here. All users updated to match.
146 (_cpp_create_definition, _cpp_macroexpand): Remove special
147 case for #define WORD OTHERWORD.
148 * cpplib.c (do_undef): Remove T_MCONST case.
150 * cpphash.h: Move struct reflist, struct definition, and the
151 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
152 union hashval. _cpp_free_definition takes a HASHNODE pointer.
153 * cpphash.c (_cpp_free_definition): Free data pointed to by
154 MCONST, XCONST, MACRO, and FMACRO nodes properly.
155 (_cpp_create_definition, del_HASHNODE): Just call
156 _cpp_free_definition to clear out a hashnode.
157 * cpplib.c (do_pragma_poison): Likewise.
159 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
161 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
162 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
163 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
164 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
165 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
166 REGNO_AM33_P): Redefine in terms of the new macros.
167 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
168 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
169 STRUCT_VALUE): Likewise.
170 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
171 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
173 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
175 * regmove.c (struct record_stack_memrefs_data): New.
176 (record_stack_memrefs): New function.
177 (combine_stack_adjustments_for_block): Use it.
179 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
181 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
182 use special_function_p to detect alloca.
184 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
186 * gcc.texi: Fixes for makeinfo 4.0 --html.
188 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
190 * pcp.h: Delete file.
192 2000-04-28 Kazu Hirata <kazu@hxi.com>
194 * h8300.c (function_epilogue): Clean up flags when the last insn
195 in a function is a barrier.
197 2000-04-28 Chris Demetriou <cgd@sibyte.com>
199 * configure.in (sparc-hal-solaris2*): protect [] glob from
201 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
202 rather than hard-coded constants in target_cpu_default2.
203 * configure: Regenerate.
205 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
207 * tree.c (get_callee_fndecl): Extract the initial value from
210 2000-04-28 Richard Henderson <rth@cygnus.com>
212 * varasm.c (record_constant_1): Record the CODE_LABEL when
213 taking the address of a LABEL_REF.
215 2000-04-28 Richard Henderson <rth@cygnus.com>
216 Jan Hubicka <jh@suse.cz>
218 * calls.c (combine_pending_stack_adjustment_and_call): Return the
219 adjustment; don't do the stack adjust.
220 (expand_call): Call compute_argument_block_size right before
221 allocating the block; update comment; don't do alignment sanity
222 checking for sibling call; use args_size instead of
223 unadjusted_args_size before args_size is adjusted. Use
224 combine_pending_stack_adjustment_and_call to compute stack adjust
225 for must_preallocate case.
227 * expr.c (push_block): Remove shadow `temp' in inner scope.
229 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
231 * toplev.c (rest_of_compilation): Call
232 note_deferral_of_defined_inline_function even if the function
235 2000-04-28 Scott Bambrough <scottb@netwinder.org>
237 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
239 2000-04-28 Richard Henderson <rth@cygnus.com>
241 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
243 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * timevar.c (init_timevar): DeANSIfy function definition.
247 2000-04-27 Alex Samuel <samuel@codesourcery.com>
249 * Makefile.in (timevar.o): Depend on flags.h.
250 * timevar.c (unused_stack_instances): New variable.
251 (timevar_push): Take a timevar_stack_def from
252 unused_stack_instances if available.
253 (timevar_pop): Push the popped timevar_stack_def onto
254 unused_stack_instances.
255 (TIMEVAR_ENABLE): New macro.
256 (timevar_def): Make standalone a 1-bit field. Add field used.
257 (get_time): Rename parameter to now. Return after clearing it if
259 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
260 (timevar_pop): Likewise.
261 (timevar_stop): Likewise.
262 (timevar_push): Likewise. Mark the timing variable as used.
263 (timevar_start): Likewise.
264 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
265 timevars that were never used.
267 2000-04-27 Mark Mitchell <mark@codesourcery.com>
269 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
270 always TREE_READONLY.
272 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
274 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
275 for call instruction with mode QImode.
277 2000-04-27 Alex Samuel <samuel@codesourcery.com>
279 * Makefile.in (OBJS): Add timevar.o.
280 (toplev.o): Depend on timevar.h.
281 (ggc-simple.o): Likewise.
282 (ggc-page.o): Likewise.
283 (timevar.o): New rule.
284 (timevar.h): New rule.
286 * timevar.h: New file.
287 * timevar.c: Likewise.
288 * timevar.def: Likewise.
290 * toplev.h (gc_time, parse_time, varconst_time): Remove.
291 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
293 (TIMEVAR): Remove macro.
294 (gc_time, parse_time, varconst_time, integration_time, jump_time,
295 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
296 flow_time, combine_time, regmove_time, sched_time,
297 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
298 sched2_time, dbr_sched_time, reorder_blocks_time,
299 rename_registers_time, shorten_branch_time, stack_reg_time,
300 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
302 (compile_file): Don't initialize time variables. Call
303 init_timevar and start TV_TOTAL timer. Call timevar_print instead
304 of many calls to print_time.
305 (rest_of_compilation): Add timing for reload_cse_regs.
306 (get_run_time): Removed to timevar.c.
307 (print_time): Likewise.
308 (get_run_time): Implement using TV_TOTAL time variable.
309 (print_time): Get total run time from get_run_time.
310 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
311 computing elapsed time explicitly.
312 * ggc-simple.c (ggc_collect): Likewise.
313 (gc_time): Remove declaration.
315 2000-04-27 Mark Mitchell <mark@codesourcery.com>
317 * calls.c (combine_pending_stack_adjustment_and_call): New function.
318 (expand_call): Use it.
320 2000-04-27 Jan Hubicka <jh@suse.cz>
322 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
325 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
327 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
330 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
332 * function.c (epilogue_done): Pass whole insn to record_insns.
334 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
336 * cse.c (CSE_ADDRESS_COST): Remove.
337 (find_best_addr): Add new parameter "MODE", use address_cost instead
340 (fold_rtx): Update call of find_best_addr.
341 * rtl.h (address_cost): Declare.
342 * loop.c (general_induction_var): Add new parameter "MODE", use
343 address_cost instead of ADDRESS_COST
344 (init_loop): Use address_cost instead of ADDRESS_COST.
345 (check_insn_for_givs): Update call of general_induction_var.
346 (find_mem_givs): Likewise.
347 (consec_sets_giv): Likewise.
348 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
349 * i386.c (ix86_address_cost): New.
350 * i386-protos.h (ix86_address_cost): Declare.
352 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
354 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
357 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
359 * expr.c (store_expr): Use clear_storage instead of direct memset
362 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
364 * config/mn10300/mn10300.c (mn10300_address_cost): Test
365 ASHIFT, AND and LABEL_REF.
367 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
369 * invoke.texi (-foptimize-sibling-calls): Fix.
371 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
373 * loop.c (load_mems) Don't use hard registers for the hoisting.
375 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
376 calculation; rename const_equiv array in the preconditioning code
377 from loop_unroll to loop_unroll_precondition
379 2000-04-27 Richard Henderson <rth@cygnus.com>
381 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
383 (propagate_one_insn): Clear it. Don't update reg_live here.
384 (init_propagate_block_info): Update for pbi member changes.
385 (free_propagate_block_info): Likewise.
386 (mark_set_1): Know that zero_extract, sign_extract, and
387 strict_low_part don't kill their argument. Alter hard subregs.
388 Update new_set for non-CLOBBER sets. Update reg_live.
389 (find_auto_inc): Update reg_live, not new_dead.
390 (mark_used_reg): Update reg_live, not new_live. Examine new_set
391 to determine if the reg in question was set this insn. Only update
392 reg info with PROP_REG_INFO.
394 2000-04-26 Richard Henderson <rth@cygnus.com>
396 * flow.c (allocate_reg_life_data): Set max_regno here ...
397 (life_analysis): ... not here.
399 * flow.c (calculate_global_regs_live): Force stack pointer
402 2000-04-26 Richard Henderson <rth@cygnus.com>
404 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
405 commit change group changes.
406 (invert_exp_1): Similarly.
407 (redirect_exp, invert_exp): Use them.
408 (redirect_jump_1): New.
409 (invert_jump_1): New.
410 (jump_optimize_1): Remove code subsumed by condexec.c.
411 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
413 2000-04-26 Richard Henderson <rth@cygnus.com>
415 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
417 * genconfig.c (main): Set all HAVE_foo to 1.
419 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
421 2000-04-26 Alex Samuel <samuel@codesourcery.com>
423 * invoke.texi: Document -fssa flag.
425 2000-04-26 Richard Henderson <rth@cygnus.com>
427 * flow.c (count_reg_sets_1): Remove.
428 (count_reg_sets, count_reg_references): Remove.
429 (recompute_reg_usage): Implement with update_life_info.
430 Reallocate life data.
432 2000-04-26 Richard Henderson <rth@cygnus.com>
434 * flow.c (update_life_info): Consider blocks null to mean the
436 (calculate_global_regs_live): Likewise.
437 (life_analysis): Do that instead of collecting all_blocks.
439 2000-04-26 Richard Henderson <rth@cygnus.com>
441 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
442 a still-valid conditional jump.
444 2000-04-26 Richard Henderson <rth@cygnus.com>
446 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
448 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
449 * flow.c (calculate_loop_depth): Remove.
450 * output.h (calculate_loop_depth): Don't declare.
451 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
452 inline; run estimate_probability at the same time.
454 2000-04-26 Neil Booth <NeilB@earthling.net>
456 * cpplib.h: "~=" is not a single pp-token.
457 * cpplex.c: Correct commentary.
459 2000-04-26 Richard Henderson <rth@cygnus.com>
461 * flow.c (mark_set_1): New arguments code and flags; update all
462 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
463 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
464 loop_depth when optimizing for size. Do new_dead update after
465 emitting REG_UNUSED notes. Merge mark_set_reg code.
466 (mark_set_reg): Remove.
467 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
468 arrange to not emit REG_UNUSED notes.
470 2000-04-26 Richard Henderson <rth@cygnus.com>
472 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
473 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
475 2000-04-26 Richard Henderson <rth@cygnus.com>
477 * flow.c (propagate_one_insn): Break out from propagate_block.
478 (init_propagate_block_info): Likewise.
479 (free_propagate_block_info): Likewise.
480 (propagate_block): Use them. Export.
481 * basic-block.h: Declare them all.
483 2000-04-26 Richard Henderson <rth@cygnus.com>
485 * basic-block.h (life_analysis): Declare here ...
486 * output.h: ... not here.
487 * flow.c (life_analysis): Remove nregs parameter; replace
488 remove_dead_code with flags. Remove ssa dead code check.
489 Only init alias analysis if we'll use it.
490 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
491 * ssa.c (convert_to_ssa): Likewise.
492 (convert_from_ssa): Likewise.
493 * toplev.c (rest_of_compilation): Likewise.
495 2000-04-26 Richard Henderson <rth@cygnus.com>
497 * flow.c (flow_delete_block): Rename from delete_block. Export.
498 * basic-block.h (flow_delete_block): Declare.
500 2000-04-26 David S. Miller <davem@redhat.com>
502 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
503 taking a PATTERN of it.
505 2000-04-26 <NeilB@earthling.net>
507 * cpplex.c (spell_other, spell_char): Remove.
509 (token_spelling, trigraph_map): Use unsigned chars.
510 (_cpp_lex_line): Tidy up the switch statement.
511 * cpplib.h: Implement spell_char with spell_string.
514 2000-04-26 <RodneyBrown@pmsc.com>
516 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
517 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
519 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
521 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
522 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
523 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
524 dwarf2out_return_save, dwarf2out_return_reg,
525 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
526 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
527 gen_compile_unit_die, dwarf2out_init): Constify a char*.
529 * dwarf2out.h (dwarf2out_init): Likewise.
531 * dwarfout.c (filename_entry, primary_filename, last_filename,
532 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
534 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
535 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
536 dwarf2out_return_reg): Likewise.
538 2000-04-26 Andreas Jaeger <aj@suse.de>
540 * extend.texi (Function Attributes): Fix description of pure
543 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
545 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
546 before calling rest_of_compilation.
548 2000-04-26 Andreas Jaeger <aj@suse.de>
550 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
553 2000-04-25 Richard Henderson <rth@cygnus.com>
555 * cse.c (cse_insn): Emit barrier after unconditional jump.
557 * calls.c (expand_call): Disable tail call generation once
558 rtx_equal_function_value_matters is false.
560 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
563 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
565 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
567 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
569 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
570 is the primary DIE for a member function.
571 (gen_decl_die): Call set_decl_origin_self here.
572 * dwarfout.c (output_decl): And here.
573 * integrate.c (output_inline_function): Not here.
574 Don't clear DECL_INLINE until after calling rest_of_compilation.
575 (set_decl_origin_self): No longer static.
576 * tree.h: Add prototype.
577 * toplev.c (note_deferral_of_defined_inline_function): Only write
578 out abstract instance for actual inlines.
580 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
582 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
583 EXTENDED_REGS only if TARGET_AM33.
584 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
585 SP_REGS to register allocation and reloading unless absolutely
587 (movsi3): Remove special-case of adding non-constants to SP.
589 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
592 INCLUDES to search and does not provide any of its own. Also it
593 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
594 parameters. Also it does not call AC_DEFINE.
595 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
596 AC_DEFINE and provides for automatic entries for autoheader.
597 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
599 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
600 so we can pass -I flags and include gansidecl.h/system.h in this
603 * acconfig.h: Delete all NEED_DECLARATION_* entries.
605 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
608 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
609 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
611 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
612 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
613 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
614 for these macros. Clean up spacing and linewraps.
616 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
618 * calls.c (expand_call): Use get_callee_fndecl.
620 * print-tree.c (print_node): Print the chain of an _EXPR.
622 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
623 Jim Wilson <wilson@cygnus.com>
624 Andrew Haley <aph@cygnus.com>
626 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
627 and gp save/restore problems.
628 * config/ia64/crtend.asm: Add IA-64 unwind support.
629 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
630 in fr_pad_size calculation.
631 (save_restore_insns): Move PR save area. Correct uses of
633 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
634 (ia64_expand_epilogue): Add eh_epilogue support.
635 (ia64_function_prologue): Emit .prologue directive.
636 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
637 (ia64_override_options): Set init_machine_status and
639 (rtx_needs_barrier): Handle bsp reads and writes.
640 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
641 New static variables.
642 (process_set, process_for_unwind_directive): New functions.
643 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
644 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
645 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
647 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
648 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
649 (struct machine_function): Define.
650 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
652 2000-04-25 Bruce Korb <bkorb@gnu.org>
654 * fixinc/Makefile.in: make the removal of old programs more
656 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
657 install-bin and install-sh
659 2000-04-25 Nick Clifton <nickc@cygnus.com>
661 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
662 defined, define to return zero.
663 (function_cannot_inline_p): If a function has any target
664 specific attributes, then use the macro
665 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
666 whether it can be inlined. If it cannot, issue a suitable
669 * tm.texi: Add a new node 'Inlining' to document the new macro
670 FUNCTION_ATTRIBUTE_INLINABLE_P.
672 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
674 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
677 2000-04-25 Neil Booth <NeilB@earthling.net>
679 Restore previous patch, plus the following fixes:
681 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
682 flags, not CPP_OPEN_PAREN.
683 * cpplex.c (expand_token_space, init_token_list,
684 cpp_free_token_list): Put the dummy token at list->tokens[-1].
685 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
687 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
689 * config/i386/freebsd.h (INT_ASM_OP): Define.
691 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
693 * loop.c (strength_reduce): Fix typo in the last checkin.
695 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
697 * stor-layout.c (finalize_record_size): Simplify to use existing
699 (compute_record_mode): No longer static.
700 * tree.h (compute_record_mode): New declaration.
702 2000-04-25 Neil Booth <NeilB@earthling.net>
704 * Revert my patch below until cause of build failures
707 2000-04-25 Richard Henderson <rth@cygnus.com>
709 * combine.c (combine_instructions): Add missing argument
712 * toplev.c (rest_of_compilation): Delay sibcall optimization
713 until after emit_eh_context.
715 2000-04-24 Nick Clifton <nickc@redhat.com>
717 * combine.c (combine_instructions): Do not try to combine a
718 sequence of insns when the second insn has been replaced by a
721 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
723 * gcc.c (load_specs): New static function.
724 (read_specs): Use it.
726 * gcc.c (lookup_compiler): Make multiple passes for case
727 insensitive filesystems.
729 2000-04-24 Neil Booth <NeilB@earthling.net>
731 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
732 * cpphash.h (_cpp_check_directive): new.
733 * cpplex.c (handle_newline, cpp_free_token_list,
734 init_trigraph_map, trigraph_ok, trigraph_replace,
735 backslash_start, skip_block_comment, skip_line_comment,
736 skip_whitespace, parse_name, parse_number, parse_string,
737 copy_comment, _cpp_lex_line, spell_char, spell_string,
738 spell_comment, spell_name, spell_other, _cpp_lex_file,
739 _cpp_output_list): new.
740 (expand_name_space): take length argument.
741 (init_token_list): add comment list initialisation.
742 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
743 instead of HSPACE_BEFORE.
745 * cpplib.c (_cpp_check_directive): new
746 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
747 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
748 (HSPACE_BEFORE): delete.
749 (TTYPE_TABLE): rearrange.
750 (struct cpp_toklist): update.
752 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
754 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
755 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
756 argument form of AC_DEFINE.
758 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
759 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
760 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
761 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
762 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
764 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
766 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
768 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
769 deduced.h): Use -isystem, not -I, for including system headers.
771 2000-04-24 Nick Clifton <nickc@cygnus.com>
773 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
774 the source register is the frame pointer or arg pointer.
775 (addsi3_small_int): Disallow if source register is the frame
776 pointer or arg pointer.
778 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
780 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
781 call to AC_MSG_RESULT.
783 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
785 * invoke.texi: Correct grammatical errors, document
786 -fno-gnu-keywords as identical to -fno-asm for C++.
788 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
790 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
791 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
792 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
793 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
794 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
796 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
797 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
798 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
799 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
802 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
804 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
805 (pop_alignment): Likewise.
806 (handle_pragma_token): Likewise.
808 2000-04-24 Robert Lipe <robertlipe@usa.net>
810 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
812 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
814 * combine.c (try_combine): Update reg_nonzero_bits of
815 newi2pat before newpat.
817 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
819 * loop.c (strength_reduce): Simplify test to INSN_P.
820 (record_giv): Attempt to simplify the add value, use CONSTANT_P
821 expressions instead of CONST_INT.
822 (express_from_1): Likewise.
824 2000-04-24 Mark Mitchell <mark@codesourcery.com>
826 * regs.h (reg_n_max): Don't declare.
827 * flow.c (reg_n_max): Don't define.
828 * regclass.c (renumber): Don't initialize to zero.
829 (regno_allocated): Likewise.
831 (allocate_reg_info): Don't initialize unnecessarily.
833 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
835 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
836 and blockage_p in the newly allocated attribute.
838 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
840 * config/mn10300/mn10300.md (addsi): `inc4' on address
841 registers does not modify cc, but `inc' on an extended
844 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
846 * reload.c (find_equiv_reg): Checks all valueno regs
847 as a reload_reg_p regs.
849 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
851 * cpphash.c (collect_objlike_expansion): Add sanity check.
852 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
853 the buffer is the empty string, return. Mark __DATE__ and
854 __TIME__ as XCONST nodes, not MCONST.
855 (_cpp_macroexpand): Avoid pushing an empty buffer.
856 (funlike_macroexpand): Don't pop token_buffer here.
858 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
860 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
861 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
862 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
863 (REGNO_OK_FOR_BASE_P): Define in terms of them.
864 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
865 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
866 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
868 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
870 * loop.c (simplify_giv_expr): Be more agressive on simplifying
873 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
875 * cpphash.h (struct definition): Move file, line, col members...
876 (struct hashnode): ... here. Also add 'disabled' flag.
877 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
878 T_IDENTITY. Remove T_DISABLED.
881 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
882 (collect_expansion): Split into collect_objlike_expansion and
883 collect_funlike_expansion.
884 (_cpp_macroexpand): Split out scan_arguments, stringify, and
886 (_cpp_compare_defs): Rename compare_defs, make static.
887 (_cpp_make_hashnode): Initialize hp->disabled.
888 (macro_cleanup): Adjust for new token types. Clear
890 (_cpp_create_definition): Move code here to determine what
891 sort of macro it is, and code to check for redefinitions, from
892 do_define. Implement a few simple cases without creating a
894 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
895 Handle the simple cases.
896 (push_macro_expansion): Set buf->has_escapes and hp->disabled
899 * cppinit.c (builtin_array): Change MCONST to XCONST
901 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
902 fix check for disabled and function-like macros.
903 * cpplib.c (do_define): Move most logic to
904 _cpp_create_definition.
905 (do_undef): Handle new special token types.
907 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
909 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
910 of CONSTANT_P for mult_val; always use validate_change to update insn.
912 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
914 * cpphash.c (trad_stringify, add_pat): New functions.
915 (collect_expansion): Restore support for -traditional syntax.
916 Use trad_stringify and add_pat.
917 (_cpp_macroexpand): Restore support for -traditional semantics.
918 * cpplex.c (_cpp_scan_line): Don't change space_before if we
920 (_cpp_lex_token): Provide COMMENT tokens to caller if
921 traditional and parsing_define_directive.
922 (skip_comment): Warn about // comments if -Wtraditional.
923 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
925 (do_undef): Don't warn about undefining EMPTY nodes.
927 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
929 * loop.c (strength_reduce): Fix biv removal code.
931 2000-04-22 Richard Henderson <rth@cygnus.com>
933 * predict.c (estimate_probability): Examine both sides of
934 a branch for no exits. Use 90% not 50% for predict taken.
935 Reorg for one copy of note generation code.
937 2000-04-22 Richard Henderson <rth@cygnus.com>
939 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
941 2000-04-22 Richard Henderson <rth@cygnus.com>
943 * diagnostic.c (init_output_buffer): Don't initialize format_args.
944 (output_clear): Likewise.
945 (output_printf): Use va_copy.
946 (vline_wrapper_message_with_location): Likewise.
947 (v_message_with_decl): Likewise.
948 (line_wrapper_printf): VA_START infor buffer.format_args directly.
949 * system.h (va_copy): Provide default implementation.
951 2000-04-22 Richard Henderson <rth@cygnus.com>
953 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
954 the collected condition is not a constant.
956 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
958 * diagnostic.h: New file.
960 * Makefile.in (diagnostic.o): Depends on diagnostic.h
962 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
963 various function prototypes.
964 (diagnostic.h): #include.
965 (struct output_buffer): Move into diagnostic.h.
966 (get_output_prefix): Rename to output_get_prefix. Export.
967 (init_output_buffer): Export. Break out. Ajust intialization.
968 (output_space_left, output_append): Export.
969 (output_newline): Rename to output_add_newline. Export.
970 (output_clear): Nullify additional output_buffer fields.
971 (output_puts): Rename to output_add_string. Export.
972 (dump_output): Rename to output_flush_on. Export.
973 (build_location_prefix): Constify return-type.
974 (emit_output_prefix): Rename to output_emit_prefix. Export.
975 (set_real_maximum_length): New function.
976 (output_set_maximum_length): Ditto
977 (output_clear): Ditto.
978 (output_add_character): Ditto.
979 (output_add_integer): Ditto.
980 (output_add_space): Ditto.
981 (output_format): Ditto.
982 (output_printf): Adjust buffer initialization.
983 (vline_wrapper_message_with_location): Ditto.
984 (v_message_with_decl): Ditto. Adjust call to output_puts
985 and get_output_prefix.
986 (default_print_error_function): Adjust buffer intialization.
988 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
990 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
993 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
995 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
998 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1000 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1001 accurate data about SP moves.
1003 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1005 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1006 aliases to AM33 registers.
1008 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1010 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1011 to all EXTENDED bitmaps.
1013 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1015 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1016 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1017 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1019 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1021 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1022 the operand is not constant.
1024 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1026 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1027 as a call-clobbered regs.
1029 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1031 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1033 * rtl.def: Update comment.
1034 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1035 * integrate.c (expand_inline_function): Likewise.
1036 * profile.c (branch_prob): Likewise.
1037 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1038 * print-rtl.c (print_rtx): Likewise.
1039 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1040 (reemit_notes): Likewise; also use enum insn_note.
1042 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1043 (place_field): Properly compute know and actual alignment.
1045 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1048 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1051 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1053 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1054 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1055 (collect_expansion): Rewrite to scan over a token list.
1056 Remove -traditional support.
1057 (collect_formal_parameters): Rename to collect_params; rewrite
1058 to scan over a token list.
1059 (_cpp_create_definition): Adjust to scan a token list.
1060 (_cpp_macroexpand): Remove -traditional support.
1061 (_cpp_compare_defs): Whitespace is now canonicalized.
1062 (comp_def_part): Delete function.
1064 * cpphash.h: Update prototypes.
1065 * cpplex.c (init_token_list): Don't set lineno if there is no
1067 (pedantic_whitespace): New function.
1068 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1069 consume a newline. Use pedantic_whitespace.
1070 (_cpp_lex_token): Remove support for -traditional macros.
1071 (_cpp_get_define_token): Delete.
1072 (_cpp_get_directive_token): Do the real work here. Use
1073 pedantic_whitespace.
1074 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1076 * cpplib.c (get_macro_name): Delete.
1077 (do_define): Read the entire line into pfile->directbuf, then
1078 feed the token list to _cpp_create_definition.
1079 * cpplib.h (HSPACE_BEFORE): new define.
1080 (struct cpp_reader): Add a toklist member, "directbuf".
1082 * predict.c (estimate_probability): New heuristic: if a jump
1083 branches around a block with no successors, predict it taken.
1084 Disentangle control flow.
1086 2000-04-20 Richard Henderson <rth@cygnus.com>
1088 * loop.c (emit_iv_add_mult): Revert last change.
1090 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1092 * cpplib.h (enum cpp_ttype): Add token types for all
1093 punctuators. Distinguish pp-numbers from valid C numbers.
1094 Give some tokens better names. Initialize from macro.
1095 (struct cpp_name, cpp_token, cpp_toklist): New data
1098 * cpplex.c (bump_column, expand_name_space,
1099 expand_token_space, init_token_list, cpp_output_list,
1100 _cpp_scan_line): New functions.
1101 (output_line_command): Add third argument, new line number.
1102 * cpphash.h: Update prototypes.
1103 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1106 2000-04-20 Richard Henderson <rth@cygnus.com>
1108 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1110 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1112 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1115 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1117 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1118 REG_EQUAL note explaining the calculated value.
1120 * calls.c (expand_call): Avoid unnecesary precalculation
1121 and outgoing parameters space guarding for sibling calls.
1122 (store_one_arg): Likewise.
1124 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1126 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1127 (rest_of_compilation): Write sibling dump file and account
1128 for time as jump time.
1129 * invoke.texi: Update documentation on dump flags.
1131 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1133 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1135 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1137 * cpphash.c (special_symbol): Represent an empty macro with
1138 "\r \r " not just "\r ".
1139 (_cpp_macroexpand): Correct condition for the foo ( ) special
1141 (unsafe_chars): Handle EOF as second argument.
1142 (push_macro_expansion): Simplify test for removing escape at
1143 end. Do not trim both escapes if there is no text in between.
1145 2000-04-19 Jim Blandy <jimb@redhat.com>
1147 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1148 of PTR_SIZE, when appropriate.
1150 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1152 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1153 (USE_ENUM_BITFIELDS): Fix typo.
1155 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1157 * stor-layout.c (place_field): Set rli->offset_align properly.
1159 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1162 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1163 PARM_BOUNDARY): Remove unnecessary casts.
1165 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1167 * calls.c (precompute_arguments): Remove must_preallocate and
1169 (expand_call): Update call of precompute_arguments.
1171 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1172 check_insn_for_givs): Break out from ...
1173 (strength_reduce) ... here; use for_every_insn_in_loop to call
1174 check_insn_for_givs.
1175 * loop.h (for_every_insn_in_loop): Declare.
1176 (loop_insn_callback): New type.
1178 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1180 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1183 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1185 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1188 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1190 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1192 * configure.in: Delete --disable-cpplib option and all
1193 references to cpp_main.
1194 * configure: Regenerate.
1195 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1196 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1197 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1198 cpp$(exeext). Add --no-headers to makeinfo command line when
1199 generating INSTALL. Install and uninstall cpp.1 manpage, not
1201 * install.texi: Delete all references to cexp.y/cexp.c.
1202 Delete ancient instructions for compiling GCC on 3b1.
1203 * INSTALL: Regenerate.
1205 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1206 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1207 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1209 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1210 which is no longer tested anywhere.
1212 * cppinit.c (handle_option): Don't run error message through
1215 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1217 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1218 * cpperror.c (hashtab.h): Now include.
1219 * cppexp.c (hashtab.h): Likewise.
1220 * cpplex.c (hashtab.h): Likewise.
1221 * cppfiles.c (hashtab.h): Likewise.
1222 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1223 to htab_find_slot_with_hash.
1224 * cpphash.c (hashtab.h): Now include.
1225 (_cpp_lookup_slot): INSERT is now enum insert_option.
1226 * cpphash.h (_cpp_lookup_slot): Likewise.
1227 * cppinit.c (hashtab.h): Include earlier.
1228 (initialize_builtins): Pass enum to htab_find_slot.
1229 * cpplib.c (hashtab.h): Now include.
1230 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1231 (do_pragma_poison, do_assert): Likewise.
1232 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1233 htab_find_slot_with_hash.
1234 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1235 * tree.c (type_hash_add): Likewise.
1236 (build1): Minor cleanup.
1238 * ggc-common.c: Add missing blanks.
1239 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1240 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1242 * stmt.c (mark_case_node): New function.
1243 (mark_case_nesting): Call it.
1245 * expmed.c (emit_store_flag): If comparing two-word integer
1246 with zero, can optimize NE, EQ, GE, and LT.
1248 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1249 * conflict.c: Minor cleanups.
1250 * optabs.c: Add blank line
1251 * simplify-rtx.c: Minor cleanups.
1253 2000-04-18 Stan Cox <scox@cygnus.com>
1255 * gengenrtl.c (genlegend): Fix misspelling.
1257 2000-04-18 Robert Lipe <robertlipe@usa.net>
1259 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1260 bitfields of the host compiler are not signed quantities.
1261 * config.in: Regenerate.
1262 * configure: Regenerate.
1263 * system.h (USE_ENUM_BITFIELDS): Added.
1264 (ENUM_BITFIELDS): Added.
1265 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1266 (SHORT_ENUM_BUG): Deleted.
1267 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1269 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1270 (CODE_FIELD_BUG): Likewise.
1271 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1273 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1275 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1277 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1280 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1282 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1283 * cpplib.c (do_include, do_import, do_include_next,
1284 read_line_number, detect_if_not_defined): Likewise.
1285 * cpphash.c (collect_expansion): Likewise.
1286 (special_symbol, _cpp_macroexpand): Check return from
1288 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1289 macros. Delete all uses.
1291 * gcc.dg/cpp-mi.c: Add two more test cases.
1292 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1294 2000-04-17 Richard Henderson <rth@cygnus.com>
1296 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1297 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1299 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1301 * function.c (expand_function_start): Use hard_function_value to
1302 compute the RTL to use for DECL_RESULT.
1304 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1306 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1307 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1308 x86_memory_mismatch_stall): New global variables.
1309 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1310 alloved; fix load penalties for Athlon.
1311 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1312 x86_memory_mismatch_stall): Declare.
1313 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1314 TARGET_MEMORY_MISMATCH_STALL): New.
1315 * i386.md (athlon scheduling parameters): Fix latencies according to
1316 Athlon Optimization Manual.
1317 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1319 (fsqrt instruction patterns): Set athlon_decode to direct.
1320 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1321 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1322 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1323 and TARGET_PARTIAL_REGISTER_STALL machines.
1324 (pushdf_nointeger): New pattern.
1325 (pushdf_integer): Rename from pushdf.
1326 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1327 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1329 2000-04-17 Richard Henderson <rth@cygnus.com>
1331 * loop.c (canonicalize_condition): Add WANT_REG argument.
1332 Stop the search if we match it.
1333 * expr.h (canonicalize_condition): Update decl.
1334 * predict.c (expected_value_to_br_prob): Use it. Track last
1335 expected value note.
1336 (find_expected_value): Remove.
1338 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1340 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1342 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1343 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1345 * configure.in: Call AC_FUNC_MMAP_FILE.
1346 * configure: Regenerate.
1347 * config.in: Regenerate.
1349 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1350 * fixinc/fixincl.c: Likewise.
1352 2000-04-17 Richard Henderson <rth@cygnus.com>
1354 * builtins.c (expand_builtin_expect): New.
1355 (expand_builtin): Call it.
1356 * builtins.def (BUILT_IN_EXPECT): New.
1357 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1358 * extend.texi: Document it.
1360 * predict.c (expected_value_to_br_prob): New.
1361 (find_expected_value): New.
1362 * basic-block.h (expected_value_to_br_prob): Declare.
1363 * toplev.c (rest_of_compilation): Invoke it.
1365 * rtl.h (NOTE_EXPECTED_VALUE): New.
1366 (NOTE_INSN_EXPECTED_VALUE): New.
1367 * rtl.c (note_insn_name): Update.
1368 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1369 cases; handle NOTE_INSN_EXPECTED_VALUE.
1371 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1373 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1374 leaf sibcall delay slot if flag_pic.
1375 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1377 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1379 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1381 * fixproto: If fix-header fails, exit with an error.
1383 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1385 * cse.c (struct check_depdendence_data): New.
1386 (check_dependence): New function.
1387 (invalidate): Use check_depdenence.
1389 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1391 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1392 UNITS_PER_WORD is unsigned.
1394 * tree.h (struct tree_common): Remove misleading comment.
1396 2000-04-16 Dave Pitts <dpitts@cozx.com>
1398 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1399 message in quotes. Otherwise, IBM's make program treats the '#' as the
1400 start of a comment and ignores the remainder of the line.
1402 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1404 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1405 * cexp.y (initialize_random_junk): Likewise.
1406 * cppfiles.c (find_include_file): Cast alloca return value.
1407 * cppinit.c (initialize_standard_includes): Likewise.
1408 * cpplib.c (cpp_define, cpp_undef): Likewise.
1409 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1410 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1411 * fold-const.c (CHARMASK): New.
1412 (real_hex_to_f): Use it.
1413 * real.c (CHARMASK): New.
1414 (etoasc, asctoeg): Use it.
1415 (asctoeg): EBCDIC lower case characters preceed upper case.
1417 * i370.c (mvs_add_label): Change spacing for coding conventions.
1418 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1419 outputing case vectors.
1420 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1421 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1422 since vector in in the data CSECT.
1423 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1424 * i370.md (Many patterns): Put the length in the XL directives.
1425 (movdi): Put back STM and MVC in definition.
1426 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1427 pattern using the TCA.
1428 * oe.h (CPP_SPEC): Added to allow trigraphs.
1429 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1430 not support the "long long" type.
1432 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1434 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1436 (mips_reg_mode_ok_for_base_p): Likewise.
1437 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1438 (REG_OK_FOR_INDEX_P): Define unconditionally.
1439 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1440 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1441 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1442 that GET_MODE_SIZE is unsigned.
1443 (mips_reg_mode_ok_for_base_p): Define.
1444 (mips_legitimate_address_p): Likewise. Adjust now
1445 that GET_MODE_SIZE is unsigned.
1446 (block_move_loop): Make the number of bytes unsigned.
1447 (expand_block_move): Likewise.
1448 (function_arg): Make the loop counter unsigned to match the
1451 2000-04-16 Richard Henderson <rth@cygnus.com>
1453 * rtl.h (enum insn_note): New enumeration. Subsume
1454 NOTE_INSN_DELETED and friends.
1455 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1456 * rtl.c (note_insn_name): Tweak string order.
1458 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1460 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1463 * cpplex.c (output_line_command): Remove debugging prints.
1464 (cpp_output_tokens): Don't write out a zero-length buffer or
1465 try to see if it has a newline in it.
1466 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1467 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1468 the end of the loop. Use memmove. Don't read past the end of
1469 the buffer. Remove trailing newlines from error messages.
1471 2004-04-16 Neil Booth <NeilB@earthling.net>
1473 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1474 * cpplib.c: Add new syntax flags to directive table, and
1477 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1479 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1482 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1484 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1485 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1487 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1489 * Makefile.in (ggc-page.o): Now includes toplev.h.
1490 * ggc-page.c (toplev.h): Now included.
1491 (gc_time): Remove declaration.
1492 (ggc_collect): TIME now long.
1493 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1495 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1497 * toplev.c: Make *_time variable long to reduce chance of overflow.
1498 (TIMEVAR): Likewise for `otime'.
1499 (print_time): Arg is now long; compute percentage in FP and round.
1500 * toplev.h (print_time): Arg is long.
1502 * tree.c: Minor whitespace changes.
1504 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1505 * configure: Rebuilt.
1506 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1507 (__fixunsxfDI): Renamed from __fixunsxfdi.
1508 (__fixunsdfDI): Renamed from __fixunsdfdi.
1509 (__fixunssfDI): Renamed from __fixunssfdi.
1510 (__floatdisf): Use proper type in REP_BIT macro.
1511 (__fixunsxfSI): Renamed from __fixunsxfsi.
1512 (__fixunsdfSI): Renamed from __fixunsdfsi.
1513 (__fixunssfSI): Renamed from __fixunssfsi.
1514 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1515 Change location of macros and upper-case some names as above.
1516 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1517 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1519 * varasm.c (assemble_variable): Add cast to remove warning.
1520 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1522 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1523 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1524 region number to -1.
1526 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1528 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1529 call unshare_all_rtl.
1531 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1533 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1535 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1536 Use .s1 not .s0 for all FP instructions.
1538 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1540 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1542 (safe_fwrite, output_line_command): New static functions.
1543 (cpp_expand_to_buffer): Now private to cpplib.
1544 (cpp_scan_buffer): Take a printer.
1546 * cpphash.h: Update prototypes.
1547 * cpplib.h: Update prototypes.
1549 (cpp_buffer): Remove last_nominal_fname.
1550 (cpp_reader): Remove lineno.
1552 * cppmain.c: Use a cpp_printer.
1553 * fix-header.c: No need to inhibit line commands. Call
1554 cpp_start_read with no printer.
1556 * cpperror.c (cpp_notice_from_errno): Provide default name.
1557 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1558 (find_include_file, cpp_read_file): Use make_IHASH.
1559 (file_cleanup): Set control_macro and clear
1560 input_stack_listing_current here.
1561 (_cpp_execute_include): Don't output entering-file marker.
1562 * cpphash.c (special_symbol): Look for the line number in the
1563 buffer, not the reader.
1564 (_cpp_macroexpand): No need to disable line commands.
1565 (_cpp_dump_definition): No need to generate line commands.
1566 (dump_hash_helper): Remove excess newline from output.
1567 * cppinit.c (dump_special_to_buffer): No need to generate line
1569 (cpp_printer_init): New.
1570 (cpp_start_read): Take a printer, and start it up if it's not
1571 NULL. No need to generate line commands.
1572 (cpp_finish): Expect no buffers stacked at all. Take a
1573 printer argument, and flush the output buffer if it's not
1575 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1576 Don't put two hashes at the beginning of an assertion.
1577 (cpp_get_token): Don't increment pfile->lineno or emit line
1578 commands here. Return EOF if there's no buffer when we get
1580 * cpplib.c (do_define, skip_if_group):
1581 No need to disable line commands.
1582 (_cpp_output_line_command): Delete function.
1583 (do_line): Don't emit line commands here, but set things up so
1584 they will be emitted if necessary. Use _cpp_fake_ihash to
1585 make unique nominal_fnames if necessary.
1586 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1587 with 0 for column, not -1.
1588 (_cpp_handle_eof): Don't set the control macro here. Don't
1589 clear input_stack_listing_current here. Don't emit line
1592 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1594 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1595 always, use the default SVR4 start address.
1597 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1598 (LINK_SHLIB_SPEC): Define.
1599 (LINK_START_DEFAULT_SPEC): Define.
1600 (LINK_OS_DEFAULT_SPEC): Define.
1602 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1604 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1605 __do_global_ctors to handle constructors.
1606 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1607 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1608 (STARTFILE_MVME_SPEC): Likewise.
1609 (STARTFILE_SIM_SPEC): Likewise.
1610 (ENDFILE_ADS_SPEC): Use crtend.
1611 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1612 (ENDFILE_MVME_SPEC): Likewise.
1613 (ENDFILE_SIM_SPEC): Likewise.
1614 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1615 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1616 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1617 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1618 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1619 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1620 (CRTSTUFF_T_CFLAGS_S): Define.
1621 * config/rs6000/eabi-ctors.c: Delete.
1623 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1626 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1630 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1632 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1633 plus mask size is smaller or equal to the mode size.
1635 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1637 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1640 * expr.c (reload.h): Now included.
1641 (emit_block_move): Set volatile_ok when checking for movstr.
1642 (emit_move_1): Check for replacements in addresses in multi-word case.
1643 * Makefile.in (expr.o): Now includes reload.h.
1645 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1646 Never have a LIBCALL end a basic block.
1647 (find_basic_blocks_1): Likewise.
1648 Reorganize CALL_INSN cases.
1650 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1652 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1654 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1655 completers from mov.ret instruction.
1657 2000-04-14 Richard Henderson <rth@cygnus.com>
1659 * fold-const.c (extract_muldiv): Don't distribute and widen
1660 multiply across plus for non-sizetype unsigned types.
1662 2000-04-14 Richard Henderson <rth@cygnus.com>
1664 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1665 If the original source is dead in the incr insn, it's dead now.
1667 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1669 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1670 see if DECL_BIT_FIELD needs to still be set.
1672 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1674 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1675 print_int_cst_octal with something that's not an INTEGER_CST.
1677 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1678 and not a SUBREG to a FLOAT rtl.
1680 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1682 * emit-rtl.c (try_split): Avoid infinite loop if the split
1683 results in a sequence that contains the original insn.
1685 2000-04-13 Andreas Jaeger <aj@suse.de>
1687 * config/mips/mips.c (expand_block_move): Pass alignment
1688 argument to move_by_pieces in bits, not bytes.
1690 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1691 __pic__ for little endian.
1693 2000-04-13 Andreas Jaeger <aj@suse.de>
1695 * config/i386/i386-protos.h: Add prototype for
1696 uno_comparison_operator.
1698 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1700 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1701 * calls.c (ECF_PURE): New flag.
1702 (emit_call_1): Handle ECF_PURE calls.
1703 (initialize_argument_information): Unset ECF_PURE flag too.
1704 (precompute_arguments): Precompute for ECF_PURE too.
1705 (expand_call): Handle ECF_PURE calls too.
1706 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1707 accept value of 2 as pure function.
1708 (emit_library_call_value, emit_library_call): Rename no_queue argument
1710 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1712 * tree.h (DECL_IS_PURE): New macro.
1713 (struct tree_decl): Add pure_flag.
1714 * c-common.c (enum attrs): Add attribute "pure".
1715 (init_attributes): Initialize attribute "pure"
1716 (decl_attributes): Handle attribute "pure".
1717 * extend.texi (Attribute "pure"): Document.
1718 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1720 (flags_from_decl_or_type): Support attribute "pure".
1722 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1724 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1725 the token except for numbers and identifiers.
1727 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1729 * i386.c (ix86_expand_binary_operator,
1730 ix86_expand_unary_operator): Check no_new_pseudos
1731 instead of reload_in_progress and reload_completed.
1732 (ix86_split_ashldi, ix86_split_ashrdi,
1733 ix86_split_lshrdi): Check no_new_pseudos instead
1734 of reload_completed.
1736 2000-04-12 Jeffrey A Law (law@cygnus.com)
1738 * function.c (purge_addressof): Unshare any shared rtl created by
1739 purge_addressof and its children.
1741 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1743 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1746 2000-04-05 Andreas Jaeger <aj@suse.de>
1748 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1749 not compiling PIC code, add flags for mabi=64.
1750 (SUBTARGET_CPP_SIZE_SPEC): New.
1751 (SUBTARGET_CPP_SPEC): New.
1752 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1753 for MIPS/Linux and lots of code needs these defines.
1755 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1757 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1758 trying the "opposite arithmetic" approach.
1760 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1762 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1763 (struct sh_args): Add new field force_mem.
1764 (INIT_CUMULATIVE_ARGS): Initialize it.
1765 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1767 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1769 * calls.c (expand_call): Do not reverse args in "equal from" field.
1770 (emit_library_call_value_1): Emit_libcall_block for const and pure
1773 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1775 * reload1.c (reload_combine): Don't enable optimization for fixed
1776 registers when encountering a BARRIER.
1778 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1780 * builtins.c (expand_builtin_memcmp): Do expansion even with
1781 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1783 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1784 stack is propertly aligned; add sanity checking for aligned
1786 (expand_library_call_value_1): Add sanity checking for aligned
1789 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1791 * calls.c (emit_library_call_value_1): Change 3rd arg to
1792 locate_and_pad_parm to disregard the setting of partial.
1794 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1796 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1798 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1799 CALL_INSN from the normal case.
1801 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1803 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1804 New global variables.
1805 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1807 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1809 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1810 TARGET_ADD_ESP_8): New macros.
1811 * i386.md: Add peep2s to convert esp adjustments to push and pop
1813 (pushsi_prologue, popsi_epilogue): New patterns.
1815 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1817 * real.c (toe64): Remove stale #endif from the last change.
1819 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1821 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1822 * real.c (toe64): Revert previous change.
1824 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1826 * objc/objc-act.c: Include ggc.h.
1827 (objc_tree_index, objc_global_trees): Convert most of the
1828 static tree variables into a static array with previous names
1830 (objc_ellipsis_node): New variable.
1831 (lang_init): Call objc_act_parse_init and c_parse_init.
1832 Create objc_ellipsis_node.
1833 (build_selector_translation_table): Use objc_ellipsis_node instead
1835 (hack_method_prototype): Likewise.
1836 (get_arg_type_list): Likewise.
1837 (start_method_def): Likewise.
1838 (continue_method_def): Likewise.
1839 (gen_method_decl): Likewise.
1840 (ggc_mark_imp_list): New function.
1841 (ggc_mark_hash_table): New function.
1842 (objc_act_parse_init): New function.
1843 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1844 * c-parse.in (c_parse_init): For objc add roots of objc specific
1845 local tree variables.
1846 * objc/objc-parse.y: Rebuilt.
1847 * objc/objc-parse.c: Rebuilt.
1848 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1850 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1852 * cse.c (delete_trivially_dead_insns): Also delete insns
1853 that copy a register to itself where the destination is
1856 2000-04-11 Richard Henderson <rth@cygnus.com>
1858 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1859 (propagate_block): Initialize them. Use them in parallel instead
1860 of one tmp variable, ie revert much of the 0408 and 0407 functional
1861 changes, but keep the structural changes.
1862 (mark_set_regs): Take new_dead from propagate_block_info instead.
1863 (mark_set_1, mark_set_reg): Likewise.
1864 (mark_used_regs): Likewise with new_live.
1865 (mark_used_reg): Likewise. Revert 0408 change.
1867 2000-04-11 Nick Clifton <nickc@cygnus.com>
1869 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1871 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1873 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1875 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1876 const section to output a CONSTRUCTOR based on the same conditions
1879 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1881 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1882 * pa/pa-protos.h (output_call): Add additional argument indicating
1883 if the call is a sibling/tail call.
1884 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1885 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1886 (function_arg, function_arg_partial_nregs): Likewise
1887 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1888 (emit_move_sequence): Zero extend certain constants as needed
1890 (compute_zdepdi_operands, output_64bit_and): New functions.
1891 (output_64bit_ior, function_arg): Likewise.
1892 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1893 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1894 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1895 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1896 (output_bvb): Likewise.
1897 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1898 (output_call): New argument 'sibcall'. Generate sibcall sequences
1900 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1901 (ouput_arg_descriptor): Do not emit argument descriptors for
1903 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1905 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1906 (FUNCTION_OK_FOR_SIBALL): Define.
1907 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1908 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1909 (CPP_SPEC): Use new spec infrastructure.
1910 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1911 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1912 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1913 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1914 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1915 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1916 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1917 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1918 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1919 (FUNCTION_ARG); Call out to C code.
1920 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1921 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1922 (MIN_UNITS_PER_WORD): Likewise.
1923 * pa/pa.md (cmpdi): New expander.
1924 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1925 (64bit conditional arithmetic): New patterns.
1926 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1927 (movsicc): Not available if modes on all the operands to not match.
1928 (movdicc): New expander and associated patterns.
1929 (64bit branches): New patterns.
1930 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1931 (pre_ldd, post_std): New patterns.
1932 (64bit addil, load low part): New patterns.
1933 (special movsf constant): Not available for TARGET_64BIT.
1934 (movsf, movdf expanders): Force constants into memory.
1935 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1936 (64bit movdf/movdi patterns): New patterns.
1937 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1939 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1940 (adddi3 expander): Allow "arith_operand" for second input.
1941 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1942 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1943 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1944 (muldi3): New expander for TARGET_64BIT.
1945 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1947 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1948 patterns for TARGET_64BIT.
1949 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1950 patterns for TARGET_64BIT.
1951 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1952 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1953 (sibcall_epilogue): New expander.
1954 (casesi): Tweak for TARGET_64BIT.
1955 (call expanders): Set & use the outgoing argument pointer. Use the
1956 64bit call patterns as needed. Add additional arg to output_call.
1957 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1958 (sibcall, sibcall_internal_symref): New expanders.
1959 (sibcall_value, sibcall_value_internal_symref
1960 (interspace_jump): Turn into an expander + matching patterns.
1961 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1962 * pa/pa64-regs.h: Eliminate trigraph sequences.
1963 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1965 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1967 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1968 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1969 cpp_token with cpp_ttype everywhere.
1970 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1971 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1972 CPP_BUF_COL. Line and column numbers are unsigned int, not
1974 * cpplex.c (cpp_buf_line_and_col): Delete.
1975 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1976 'long lineno' to 'unsigned int lineno'.
1977 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1979 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1981 * extend.texi: ISO C99 is not a draft anymore.
1982 * invoke.texi: ISO C++ is not a draft anymore.
1983 * cpp.texi: __cplusplus is required by the ISO standard.
1985 * extend.texi (-fthis-is-variable): Undocument.
1986 * flags.h (warn_template_debugging): Remove declaration.
1987 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1988 -Wenum-clash, -Wtemplate-debugging): Undocument.
1990 2000-04-10 Nick Clifton <nickc@cygnus.com>
1992 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1994 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1996 (ARM_SIGN_EXTEND): Use HOST_UINT.
1997 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1998 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1999 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2000 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2002 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2003 (arm_gen_constant): Use HOST_UINT.
2004 (arm_canonicalize_constant): Use HOST_UINT.
2005 (arm_reload_in_hi): Use HOST_UINT.
2006 (arm_reload_out_hi): Use HOST_UINT.
2007 (output_multi_immediate): Use HOST_UINT.
2008 (int_log2): Use HOST_UINT.
2009 (arm_poke_function_name): Use HOST_UINT.
2010 (arm_output_epilogue): Use arm_volatile_func().
2011 (output_thumb_prologue): Use arm_strip_name_encoding().
2013 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2015 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2016 of sequence point problems.
2018 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2020 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2022 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2024 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2026 * sbitmap.h: Whitespace changes and use upper-case macro args.
2027 (struct simple_bitmap_def): All sizes now unsigned.
2028 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2029 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2030 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2031 (sbitmap_zero): Cast bzero arg to PTR.
2032 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2033 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2034 loop to make structure clearer.
2035 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2036 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2037 (sbitmap_a_and_b_or_c): Likewise.
2038 (sbitmap_intersection_of_succs): Minor cleanups.
2039 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2040 (sbitmap_union_of_preds): Likewise.
2041 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2042 (debug_sbitmap): New function.
2044 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2045 * c-typeck.c (convert_for_assignment): Likewise.
2047 * expmed.c (init_expmed): Don't free objects we make.
2048 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2050 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2051 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2053 * gcse.c (expr_hash_table_size): Now unsigned.
2054 (compute_ae_gen): Local variable `i' now unsigned.
2055 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2056 (compute_transout, hoist_code): Likewise.
2057 (compute_local_properties): Likewise, also hash_table_size.
2058 (alloc_expr_hash_table): N_INSNS now unsigned.
2059 (delete_null_pointer_checks): Mark arg F as unused.
2061 * regrename.c: Minor cleanups, including chang some variables
2064 2000-04-10 Neil Booth <NeilB@earthling.net>
2066 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2068 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2070 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2072 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2073 __classof__, and __headof__ from the list of gnu keywords.
2074 (-ansi): Remove -foperator-names from list of implied options.
2075 Do not call it ANSI C++.
2076 (-foperator-names): Document as -fno-operator-names.
2078 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2080 * cpphash.c (timestamp): Delete.
2081 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2082 (special_symbol): Remove unnecessary braces. Remove
2083 T_VERSION. Treat T_STDC like T_CONST unless
2084 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2085 when one is encountered, then convert them into T_MCONST
2087 * cppinit.c (builtin_array): version_string is T_MCONST.
2088 __STDC__ has a "1" in its cpval. Don't have a terminator
2089 entry. Clean up which entries are dumped.
2090 (initialize_builtins): Only __STDC__ gets the special
2091 -traditional treatment. Count the length of builtin_array.
2092 Render version_string here.
2093 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2094 * cpplib.h (struct cpp_reader): Remove timebuf.
2096 2000-04-09 Richard Henderson <rth@cygnus.com>
2098 * genrecog.c (pred): Update comparison_operator for the unordered
2101 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2103 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2104 (uno_comparison_operator): New.
2105 (put_condition_code): Handle UNORDERED/ORDERED.
2106 (unsigned_comparison): Likewise.
2107 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2108 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2109 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2110 update all callers. Handle all 8 unordered operators.
2111 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2112 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2113 * config/i386/i386.h (PREDICATE_CODES): Update.
2114 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2115 (ix86_expand_branch, ix86_expand_setcc): Update.
2116 * config/i386/i386.md (sunordered, sordered): New.
2117 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2118 (bunordered, bordered): New.
2119 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2120 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2121 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2123 2000-04-09 Philip Blundell <philb@gnu.org>
2125 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2127 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2129 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2130 fix_truncxfhi2): New patterns.
2131 * i386.c (output_fix_trunc): Handle converting to HImode.
2133 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2135 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2137 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2138 (for_each_successor_phi): Change parameter to basic_block.
2139 (coalesce_regs_in_successor_phi_nodes): Likewise.
2140 (coalesce_regs_in_copies): Likewise.
2141 (compute_coalesced_reg_partition): Use basic_block instead of index.
2142 * rtl.h (convert_to_ssa): Delete.
2143 (convert_from_ssa): Likewise.
2144 (successor_phi_fn): Likewise.
2145 (for_each_successor_phi): Likewise.
2146 (in_ssa_form): Likewise.
2147 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2148 (convert_from_ssa): Likewise.
2149 (successor_phi_fn): Likewise.
2150 (in_ssa_form): Likewise.
2151 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2152 * flow.c (calculate_global_regs_live): Pass a basic_block to
2153 for_each_successor_phi.
2155 2000-04-08 Richard Henderson <rth@cygnus.com>
2157 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2158 was modified in the current insn.
2160 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2162 * arm/thumb.md: Delete.
2163 * arm/thumb-protos.h: Delete.
2165 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2167 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2169 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2171 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2174 * arm.md (nop): Use the standard RTL expression. Don't code as a
2176 (*arm_nop, *thumb_nop): Delete.
2178 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2179 constants. Use casts instead.
2180 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2181 output_multi_immediate, arm_poke_function_name): Likewise.
2182 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2183 MASK_RETURN_ADDDR): Likewise.
2185 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2187 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2190 * arm.md (eh_epilogue): New function.
2191 * arm.h (struct machine_function): Move to here ...
2192 * arm.c: ... from here.
2193 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2194 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2195 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2197 2000-03-30 Nick Clifton <nickc@cygnus.com>
2199 * config/arm/semi.h (ASM_SPEC): Restore definition.
2200 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2202 * config/arm/elf.h (ASM_SPEC): Restore definition.
2203 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2205 * config/arm/arm.h (ASM_SPEC): Remove definition.
2206 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2208 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2210 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2212 2000-03-24 Nick Clifton <nickc@cygnus.com>
2214 Various formating tidyups, elimination of compile time
2215 warnings and synchronisation with internal sources:
2217 * config/arm/arm-protos.h (assemble_align): Add prototype.
2218 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2219 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2220 (arm_return_addr_rtx): Rename to arm_return_addr.
2222 * config/arm/arm.c: Include except.h.
2223 Define shorter typenames for strict minipool_node and struct
2225 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2227 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2228 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2230 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2232 (ASM_SPEC): Define if not already defined.
2233 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2235 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2236 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2237 arm_gen_compare_reg.
2238 (indirect_jump): Only accept register operands.
2239 (load_indirect_jump): Keep this pattern since combine can generate
2242 * config/arm/coff.h: Include aout.h.
2243 (MULTILIB_DEFAULTS): Only define if not already defined.
2245 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2246 into arm.h (so that COFF ports can support thumb based aliases).
2247 (ASM_SPEC): Move definition into arm.h
2249 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2250 redundant apcs spec.
2251 (ASM_SPEC): Move definition to arm.h
2253 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2255 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2256 for entries in the .bss section
2258 2000-03-23 Nick Clifton <nickc@cygnus.com>
2260 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2261 to thumb_far_jump_used_p.
2263 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2264 single integer parameter.
2266 * config/arm/arm.c (struct machine_function): Add two new
2267 fields, 'far_jump_used' and 'arg_pointer_live'.
2268 (thumb_far_jump_used_p): Once the decision has been made that
2269 far jumps might be used, always return true.
2270 If being called from the initial elimination offset macro then
2271 do not bother to perform the test if the arg pointer is not
2273 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2274 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2276 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2278 * arm.c (output_return_instruction): Handle more cases where we can
2279 return from a function with an ldr instruction.
2280 (arm_output_epilogue): Likewise.
2282 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2283 if we need to push a large stack frame and there are no callee-saved
2286 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2287 in ARM code if the frame pointer has been eliminated.
2289 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2290 unspec_volatile arguments to avoid duplicates.
2291 (consttable_1, consttable_2): Fixes for big-endian mode.
2293 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2296 Re-write constant pool code.
2297 * arm.c (minipool_node, minipool_fix): New types.
2298 (minifix): Delete type.
2299 (arm_add_minipool_constant): Delete.
2300 (arm_compute_minipool_offsets, arm_find_barrier,
2301 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2302 (get_jump_table_size): Now returns HOST_WIDE_INT.
2303 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2305 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2306 (assign_minipool_offsets, arm_print_value): Likewise.
2307 (dump_minipool): Rewrite.
2308 (arm_barrier_cost): New function.
2309 (create_fix_barrier): New function.
2310 (push_minipool_barrier): New function.
2311 (push_minipool_fix): Record additional information about the fixup
2313 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2314 check the mode of what needs fixing.
2315 (arm_reorg): Rewrite.
2317 2000-03-08 Nick Clifton <nickc@cygnus.com>
2319 * config/arm/arm.md (indirect_jump): Force constant addresses into
2322 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2324 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2326 2000-02-24 Nick Clifton <nickc@cygnus.com>
2328 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2329 adjust is word aligned.
2330 (thumb_expand_epilogue): Make sure that stack adjust is word
2333 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2335 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2337 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2338 pointer relative addresses.
2340 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2342 * arm.c (find_barrier): Find the last barrier within the allowed
2345 2000-02-09 Nick Clifton <nickc@cygnus.com>
2347 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2349 2000-02-09 Nick Clifton <nickc@cygnus.com>
2351 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2352 ARM_FUNCTION_PROFILER.
2354 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2355 ARM_FUNCTION_PROFILER.
2357 * config/arm/linux-oldld.h: Imported from mainline sources.
2359 2000-02-07 Nick Clifton <nickc@cygnus.com>
2361 * config/arm/lib1funcs.asm: Merge in thumb functions from
2364 * config/arm/lib1thumb.asm: Delete.
2366 2000-02-04 Nick Clifton <nickc@cygnus.com>
2368 * config/arm/arm.c: Sychronised with current Red hat local
2370 * config/arm/arm.h: Ditto.
2371 * config/arm/arm-protos.h: Ditto.
2373 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2375 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2377 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2380 2000-02-02 Nick Clifton <nickc@cygnus.com>
2382 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2384 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2385 (return) was emited using an emit_insn() call.
2387 2000-01-31 Nick Clifton <nickc@cygnus.com>
2389 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2391 (thumb_exit): Move frame pointer back into hard frame pointer
2392 register if backtracing is being used.
2394 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2396 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2399 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2401 * config/arm/arm.md (neg_pool_offset): Provide default for new
2403 (arm_movsi_insn): Add neg_pool_offset attribute.
2404 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2405 rtx for the insn that starts the scan and an unsigned long for its
2406 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2407 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2408 instructions in *PINSERTED.
2409 (struct minipool_fixup): Add MIN_ADDRESS elt.
2410 (sort_fixups): Compute it.
2411 (arm_reorg): Changes to support inserting pools before the insn to be
2414 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2416 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2417 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2418 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2420 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2422 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2424 (TARGET_DEFAULT): Do not define if already defined.
2426 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2428 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2429 (iordi3): Allow disjoint source operands.
2430 (xordi3): Allow disjoint source operands.
2431 (negdi2): Permit construction for ARM and Thumb.
2432 (arm_negdi2): Renamed version of old negdi2 pattern.
2433 (thumb_negdi2): New pattern: Only permit non-overlapping
2434 source and destination.
2436 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2438 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2439 scratch low register so that it will not be deleted.
2441 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2443 * config/arm/pe.h (ARM_PE): Define.
2445 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2446 interfacearm attribute if this is a PE toolchain.
2447 (output_return_instruction): Do not emit anything if the function
2448 has the naked attribute set.
2449 (is_called_in_ARM_mode): If the function has the interfacearm
2450 attribute then return true.
2451 (thumb_expand_prologue): Do not generate a prologue for naked
2453 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2455 (output_thumb_prologue): Do not bother if the function is naked.
2456 Strip PE encoding from function name before emitting.
2458 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2460 * arm.md (pic_load_addr): Fix constraints.
2462 * arm.md (casesi_insn): Fix mis-applied patch.
2464 * arm.md ("core" function unit): Add rules for single- and
2466 (All TARGET_THUMB patterns): Add "type" attribute information
2468 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2469 the following insn is a CALL.
2471 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2473 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2474 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2475 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2477 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2479 * config/arm/linux-gas.h: oops - this file was missed out when the
2480 branch was created...
2482 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2484 * thumb.c: Deleted. Move contents to ...
2486 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2488 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2491 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2492 declare a prototype for asm_output_align();
2494 * arm.c (thumb_condition_code): Delete.
2495 (arm_print_operand): Always use arm_condition_code array.
2497 * arm.c (thumb_return_addr_rtx): Delete.
2498 (arm_save_machine_status, arm_restore_machine_status): Delete.
2499 (arm_init_machine_status, arm_mark_machine_status): New functions.
2500 (arm_init_expanders): Update accordingly.
2501 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2502 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2503 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2505 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2507 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2509 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2512 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2514 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2515 stack backtrace structure.
2517 * config/arm/arm-protos.h: Add prototypes for functions defined in
2520 * config/arm/arm.c (arm_override_options): Fix selection of
2521 attributes of default processor.
2523 * config/arm/coff.h: Delete needless #include.
2525 * config/arm/pe.c: Delete unused code.
2527 * config/arm/pe.h (CPP_DEFINES): Delete
2528 (SUBTARGET_CPP_SPEC): Define.
2529 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2531 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2533 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2535 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2537 (CAN_DEBUG_WITHOUT_FP): Define.
2538 (FIXED_REGISTERS): Make r11 call-saved.
2539 (CALL_USED_REGISTERS): Likewise.
2540 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2541 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2542 frame-pointer is required.
2543 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2544 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2545 if the target normally needs a stack frame in non-leaf functions.
2546 (use_return_insn): Correct logic for determining when a return
2547 instruction can be used.
2548 (output_return_instruction): Handle the frame-pointer register as
2549 a normal register when not TARGET_APCS_FRAME.
2550 (arm_output_prologue): Likewise.
2551 (arm_output_epilogue): Likewise.
2552 (output_func_epilogue): Likewise.
2553 (arm_expand_prologue): Likewise.
2554 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2556 * arm.c (use_return_insn): No need to check floating point regs if
2558 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2559 the code of value stored in the minipool array.
2560 (arm_add_minipool_constant): Likewise.
2562 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2564 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2566 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2568 * tree.c (tree_expr_nonnegative_p): New function.
2570 * tree.h (tree_expr_nonnegative_p): Declare.
2572 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2573 elide some sign_compare warnings.
2574 (build_conditional_expr): Likewise.
2576 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2578 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2580 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2581 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2582 operand. Abort if a 387 operand has an unsupported size.
2584 2000-04-08 Neil Booth <NeilB@earthling.net>
2586 * cppexp.c (parse_charconst): Null does not end character
2588 * cppinit.c (ISTABLE): Null character handled as whitespace.
2589 * cpplex.c (null_warning): new function.
2590 (skip_string): Emit warning if nulls encountered.
2591 (_cpp_skip_hspace): Emit warning if nulls encountered.
2592 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2596 2000-04-07 Richard Henderson <rth@cygnus.com>
2598 * flow.c (loop_depth): Remove.
2599 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2600 (struct propagate_block_info): New.
2601 (life_analysis): Don't allocate reg_next_use.
2602 (propagate_block_delete_insn): Break out of propagate_block.
2603 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2604 (propagate_block_delete_libcall): Likewise.
2605 (propagate_block): Create a propagate_block_info struct to pass
2606 to subroutines. Allocate one not two temporary regsets. Don't
2607 clobber memory for const calls. Look for clobbers in
2608 CALL_INSN_FUNCTION_USAGE.
2609 (mark_set_regs): Recognize COND_EXEC.
2610 (mark_set_reg): Break out of mark_set_1.
2611 (mark_used_reg): Break out of mark_used_regs.
2612 (mark_used_regs): Recognize COND_EXEC.
2613 (insn_dead_p): Use propagate_block_info struct.
2614 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2615 (find_auto_inc, try_pre_increment_1): Likewise.
2616 (print_rtl_with_bb): Dump regs live at end too.
2617 (count_reg_sets_1): Pass in loop_depth.
2618 (count_reg_sets, count_reg_references): Likewise.
2619 (recompute_reg_usage): Provide it.
2621 2000-04-07 Richard Henderson <rth@cygnus.com>
2623 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2626 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2628 * cpplib.c (do_elif): Skip the rest of the line if we're
2629 not going to bother evaluating it.
2630 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2631 to avoid pointless calls to the lexer.
2633 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2635 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2637 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2639 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2641 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2643 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2645 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2647 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2648 crtend so they can be multilibbed.
2649 (STAGESTUFF): Remove s-crt and s-crtS.
2651 2000-04-07 Richard Henderson <rth@cygnus.com>
2653 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2654 if we discover we need a pseudo and no_new_pseudos is true.
2655 * config/alpha/alpha.md (ne:DI insn): New.
2656 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2658 2000-04-07 Richard Henderson <rth@cygnus.com>
2660 * rtl.def (COND_EXEC): New.
2661 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2662 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2664 * genconfig.c (have_cond_arith_flag): Remove.
2665 (have_cond_exec_flag): New.
2666 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2667 (main): Print HAVE_conditional_execution.
2669 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2670 (sched_analyze_insn, print_pattern): Likewise.
2671 * reload.c (find_equiv_reg): Likewise.
2672 * rtlanal.c (reg_referenced_p): Likewise.
2673 (note_stores, dead_or_set_regno_p): Likewise.
2674 (reg_overlap_mentioned_p): Rewrite to use a switch.
2676 * ggc.h (struct rtx_def): Forward declare.
2678 * print-rtl.c (debug_rtx_range): New.
2679 * rtl.h (debug_rtx_range): Declare.
2681 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2683 * gcse.c (gcse_main): Don't rebuild the CFG here.
2684 (delete_null_pointer_checks): Likewise.
2685 * ssa.c (convert_to_ssa): Likewise.
2686 * toplev.c (rest_of_compilation): Do it here instead. Combine
2687 sequential calls to TIMEVAR. Consistently use `insns' instead of
2688 `get_insns()'. Always split insns after reload when optimizing.
2690 * basic-block.h (merge_blocks_nomove): Declare.
2691 (tidy_fallthru_edge): Declare.
2692 * flow.c (merge_blocks_nomove): Document as merging into previous
2693 blocks. Remove cruft from between blocks; remove all edges out of A.
2694 (tidy_fallthru_edge): Export.
2696 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2698 * ssa.c (compute_conservative_reg_partition): Declare with
2700 * toplev.c (clean_dump_file): Remove previously-deleted function
2701 inadvertantly merged back in.
2702 * conflict.c (conflict_graph_add): Use a single call to
2703 htab_find_slot to look up and insert.
2705 2000-04-06 Richard Henderson <rth@cygnus.com>
2707 * genrecog.c (*): Rename _last_insn to last_insn.
2708 (make_insn_sequence): Set the position of the peephole2 C test
2709 to be at the last insn.
2711 2000-04-06 Richard Henderson <rth@cygnus.com>
2713 * flow.c (compute_flow_dominators): Free worklist.
2715 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2717 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2719 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2721 * rtl.h (INSN_P): New macro.
2722 (successor_phi_fn): New typedef.
2723 (for_each_successor_phi): New prototype.
2724 (in_ssa_form): New variable.
2725 (PHI_NODE_P): Likewise.
2726 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2727 phi nodes in successors.
2728 (mark_used_regs): Add PHI case.
2729 (set_phi_alternative_reg): New function.
2730 (life_analysis): Assert that dead code elimination is not selected
2732 * toplev.c (to_ssa_time): New variable.
2733 (from_ssa_time): Likewise.
2734 (compile_file): Zero to_ssa_time and from_ssa_time.
2735 Print time to convert to and from SSA.
2736 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2737 (print_time): Compute percent fraction as integer.
2738 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2739 (convert_to_ssa): Check if we're already in SSA.
2740 Don't eliminate dead code in life_analysis.
2741 Rerun flow and life analysis at bottom.
2742 (eliminate_phi): Use canonical regnos when adding nodes.
2743 (mark_reg_in_phi): New function.
2744 (mark_phi_and_copy_regs): Likewise.
2745 (convert_from_ssa): Rerun life analysis at top.
2746 Use coalesced partition.
2747 Check for removing a phi node at the end of the block.
2748 (compute_coalesced_reg_partition): New function.
2749 (coalesce_regs_in_copies): Likewise.
2750 (coalesce_reg_in_phi): Likewise.
2751 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2752 (for_each_successor_phi): Likewise.
2753 (rename_context): New struct.
2754 (rename_block): Use a rename_context with rename_insn_1. When
2755 renaming sets of a subreg, emit a copy of the entire reg first.
2756 (rename_insn_1): Treat data as a rename_context *. Save current
2758 (rename_set_data): Add field set_insn.
2759 * Makefile.in (HASHTAB_H): Move up in file.
2760 (OBSTACK_H): New macro.
2761 (collect2.o): Use OBSTACK_H in dependencies.
2762 (sdbout.o): Likewise.
2763 (emit-rtl.o): Likewise.
2764 (simplify-rtx.o): Likewise.
2765 (fix-header.o): Likewise.
2766 (OBJS): Add conflict.o.
2767 (conflict.o): New rule.
2768 * basic-block.h: Include partition.h.
2769 (conflict_graph): New typedef.
2770 (conflict_graph_enum_fn): Likewise.
2771 (conflict_graph_new): New prototype.
2772 (conflict_graph_delete): Likewise.
2773 (conflict_graph_add): Likewise.
2774 (conflict_graph_conflict_p): Likewise.
2775 (conflict_graph_enum): Likewise.
2776 (conflict_graph_merge_regs): Likewise.
2777 (conflict_graph_print): Likewise.
2778 (conflict_graph_compute): Likewise.
2779 * conflict.c: New file.
2781 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2783 * tlink.c (read_repo_files): Don't look for .rpo info for
2786 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2788 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2790 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2792 * config/sh/lib1funcs.asm (___udivsi3_i4):
2793 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2794 only depends on FMOVD_WORKS.
2796 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2798 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2799 make double constant 8-byte aligned.
2801 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2803 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2804 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2805 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2806 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2807 Accept storing GENERAL_REGS into offsetable memory.
2808 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2809 building a TFmode constant other than 0.0L into GENERAL_REGS.
2811 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2813 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2815 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2817 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2818 (macro_cleanup): No need to cast pbuf->macro.
2819 (collect_expansion): Use _cpp_get_define_token. Goto done if
2820 it returns VSPACE. Remove check for trailing space after
2822 (_cpp_create_definition): Don't diddle flags here. Return
2824 (unsafe_chars): Handle c1 being EOF.
2825 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2826 checks. Don't push the buffer till after we're done with
2828 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2829 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2830 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2832 (_cpp_parse_assertion): Don't NUL terminate.
2833 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2834 hspace before calling _cpp_parse_assertion. Remove all sets
2835 of only_seen_white. Treat '\f' as hspace. Don't do anything
2836 special with '\n' here.
2837 (maybe_macroexpand): Handle T_EMPTY hash entries without
2838 pushing a buffer at all.
2839 (cpp_get_token): Handle clearing only_seen_white here. Handle
2840 incrementing the line number here. Clear
2841 potential_control_macro as well as only_seen_white, if
2843 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2844 (_cpp_get_define_token): New function, basically like
2845 _cpp_get_directive_token was but doesn't eat horizontal space.
2846 Don't do anything with only_seen_white here.
2847 (_cpp_get_directive_token): Just call _cpp_get_define_token
2848 repeatedly till it returns non-hspace.
2850 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2851 (conditional_skip, skip_if_group): Return int.
2852 (DIRECTIVE_TABLE): Change origin of all conditional directives
2854 (TRAD_DIRECT_P): New macro.
2855 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2856 an error for a bogus directive, unless -lang-asm. Use
2857 TRAD_DIRECT_P. Loop calling handler functions till one returns
2859 (get_macro_name): Don't diddle flags here.
2860 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2861 Create T_EMPTY nodes for #define macro /* nothing */.
2862 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2863 Use hp->name when calling pass_thru_directive.
2864 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2865 Return the result of conditional_skip and/or skip_if_group.
2866 Don't call _cpp_output_line_command.
2867 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2868 Issue -Wtraditional warnings as appropriate. Don't complain
2869 about unrecognized directives. If we are to stop skipping,
2870 return the number of the directive that ended the skip.
2871 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2872 expansion and line commands while skipping. Return the result
2873 of consider_directive_while_skipping, if nonzero.
2874 (do_endif): Just set potential_control_macro here.
2875 (validate_else): Use _cpp_get_directive_token.
2876 (do_assert, do_unassert): Don't save pointers into the
2877 token_buffer across calls to the lexer. Use
2878 _cpp_get_directive_token.
2880 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2881 pointer, not an offset. Replace 'data', which was a generic
2882 pointer, with 'macro', which points to a struct hashnode.
2883 (cpp_reader): Add 'potential_control_macro' pointer.
2884 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2885 (CPP_BUF_GET, CPP_FORWARD): Delete.
2886 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2887 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2888 ACTIVE_MARK_P): Update.
2889 (_cpp_get_define_token): New internal function.
2890 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2892 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2894 * configure.in: And here.
2895 * configure: Regenerate.
2896 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2897 --enable-libstdcxx-v3 is passed at configure time.
2898 * config.h.in: Regenerate.
2900 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2902 * final.c (final): Use xcalloc to allocate line_note_exists.
2903 * function.c (free_after_compilation): Free the temp_slots.
2904 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2905 (combine_temp_slot): Free temp_slots when they get combined.
2906 (purge_addressof): Fix typo in comment.
2907 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2908 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2910 * ggc.h: Include varray.h.
2911 (ggc_pending_trees): Declare.
2912 (ggc_mark_tree_children): Remove declaration.
2913 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2914 * ggc-common.c (ggc_pending_trees): New variable.
2915 (ggc_mark_roots): Call ggc_mark_trees.
2916 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2917 the ggc_pending_trees.
2918 * Makefile.in (GGC_H): New variable. Use it throughout in place
2921 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2923 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2926 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2928 * sh.c (sh_insn_length_adjustment): New function.
2929 * sh-protos.h (sh_insn_length_adjustment): Declare.
2930 * sh.h (ADJUST_INSN_LENGTH): Use it.
2932 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2934 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2935 from the insn where REG_RETVAL is added.
2936 (emit_no_conflict_block): Ditto.
2938 * md.texi (Standard Names): Clarify when movX is needed.
2940 * combine.c (simplify_comparison) [MINUS]: Do not replace
2941 all (op (minus A B) 0) with (op A B).
2943 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2944 J"orn Rennecke <amylaar@cygnus.co.uk>
2946 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2947 (block_lump_real): Likewise.
2949 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2951 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2952 remaining non-zero debugging masks.
2954 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2956 * basic-block.h (verify_flow_info): Declare.
2957 (flow_loop_outside_edge_p): Declare.
2958 * flow.c (verify_flow_info): Remove declaration.
2959 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2961 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2963 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2966 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2968 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2969 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2970 seqdi_zero_trunc+1): Allow splits only if registers are
2973 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2975 * acconfig.h: Add HAVE_GAS_HIDDEN.
2976 * config.in: Regenerated.
2977 * configure.in: Add test for .hidden pseudo-op in gas.
2978 * configure: Regenerated.
2979 * crtstuff.c: Include auto-host.h.
2980 Emit additional .hidden pseudo-op for __dso_handle if the
2981 assembler knows about it.
2983 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2985 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2986 before freeing argnames.
2987 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2989 2000-04-05 Michael Meissner <meissner@redhat.com>
2991 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2992 Walton <jonboy@gordian.com> to make memory references with update
2993 work wtih -mregnames.
2995 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2997 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2998 (regrename_optimize): Rename variables `def_uses' and
2999 `ext_basic_blocks' to avoid conflicts with similarly named
3000 typedefs in traditional C.
3002 * calls.c (initialize_argument_information): Fix typo in previous
3005 2000-04-04 Richard Henderson <rth@cygnus.com>
3007 * regrename.c (consider_available): Test fixed_regs not
3008 PIC_OFFSET_TABLE_REGNUM.
3010 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3012 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3014 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3015 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3016 (ENDFILE_LINUX_SPEC): Always use crtend.
3017 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3018 (powerpc-*-linux-gnu): Likewise.
3019 * configure: Regenerate.
3021 * config/rs6000/eabi.h: Don't include sysv4.h.
3022 (MULTILIB_DEFAULTS): Don't define.
3023 * config/rs6000/eabiaix.h: Don't include eabi.h.
3024 * config/rs6000/eabile.h: Delete.
3025 * config/rs6000/eabilesim.h: Delete.
3026 * config/rs6000/eabisim.h: Don't include eabi.h.
3027 * config/rs6000/linux.h: Don't include sysv4.h.
3028 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3029 (MULTILIB_DEFAULTS): Don't redefine.
3030 * config/rs6000/rtems.h: Don't include eabi.h.
3031 * config/rs6000/sol2.h: Don't include sysv4le.h.
3032 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3033 * config/rs6000/t-ppc: Delete.
3034 * config/rs6000/t-ppcgas: Correct comment.
3035 * config/rs6000/t-ppcos: Correct comment. Don't build
3036 multilibs for -fPIC, rather use -fPIC -mstrict-align
3038 * config/rs6000/t-ppc: Delete.
3039 * config/rs6000/vxppc.h: Don't include sysv4.h.
3040 * config/rs6000/vxppcle.h: Delete.
3041 * configure.in: Use multiple header files for p2pc ELF targets
3042 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3043 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3044 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3045 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3046 always available for these platforms.
3048 2000-04-04 Richard Henderson <rth@cygnus.com>
3050 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3052 2000-04-04 Stan Cox <scox@cygnus.com>
3054 * Makefile.in: Add rules for regrename.o
3055 * regrename.c: New file.
3056 * rtl.h (regrename_optimize): Add prototype.
3057 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3058 (compile_file, decode_d_option): Add support for -frename-registers.
3059 (rest_of_compilation): Call regrename_optimize.
3060 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3063 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3065 * Makefile (gccbug): New target.
3066 (doc): Depend on it.
3067 * gcc.texi (Bugs): Link subnodes.
3069 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3070 Document severities, priorities, and classes in bug form.
3072 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3074 * cpplex.c (trigraph_map, speccase): Combine into single
3076 (NORMAL, NONTRI): New macros.
3077 (_cpp_read_and_prescan): Change to use unified table. Use
3078 is_hspace to test for whitespace.
3080 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3081 definition that doesn't provoke the "empty body in an
3082 if-statement" warning.
3084 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3086 * builtins.c (expand_builtin_strlen): Force the source to
3087 be a memory address.
3089 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3091 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3093 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3095 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3096 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3097 (ECF_IS_CONST): Rename to ECF_CONST.
3098 (special_function_p): Make static, change interface.
3099 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3100 (expand_call) ... here; convert number of variables to flags.
3101 (emit_library_call_vlue_1): Likewise.
3102 (setjmp_call_p): New function.
3103 (initialize_argument_information): Accepts flags as argument;
3105 (precompute_arguments): Likewise.
3106 * tree.h (special_function_p): Remove.
3107 (setjmp_call_p): Add prototype.
3109 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3111 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3112 so that addresses are offsetable by up to 16 bytes.
3113 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3114 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3117 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3118 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3119 (movsf): Don't force any constant to memory if target is integer
3121 Move fp_zero_operand check below the const0_rtx check.
3122 (movtf): Likewise. Also allow fp_zero_operand for stores into
3124 (movdf): Likewise. Also allow fp_zero_operand for stores into
3125 memory and into integer hard registers.
3126 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3127 movdf_const_intreg_sp64): Remove.
3128 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3130 (movdf_no_e_insn_v9_sp32): New pattern.
3131 (movdf_insn_v9only): Remove.
3132 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3133 (movdf_insn_sp64): Remove.
3134 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3135 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3136 (following splits): Rewrite conditions. Add two new splits
3137 for storing 0.0 into memory and registers.
3138 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3139 (movtf_insn_sp32): Redo constraints and conditions.
3140 (movtf_insn_vis_sp32): New pattern.
3141 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3142 (movtf_insn_hq_sp64): Likewise.
3143 (movtf_insn_hq_vis_sp64): New pattern.
3144 (movtf_insn_sp64): Redo constraints and conditions.
3145 (movtf_insn_vis_sp64): New pattern.
3146 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3147 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3149 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3150 -mvis or -m64 to take down the number of various reload patterns.
3152 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3154 * pa/pa-64.h: New file.
3155 * pa/pa64-regs.h: New file.
3156 * pa/pa64-start.h: New file.
3157 * pa/t-pa64: New file.
3158 * pa/xm-pa64hpux.h: New file.
3160 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3162 * sparc.c (output_restore_regs): Prototype.
3163 (sparc_emit_float_lib_cmp): Constification.
3165 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3167 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3170 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3171 (get_value_hash, hash_rtx): Likewise.
3173 * ssa.c (compute_conservative_reg_partition): Prototype.
3175 * tree.c (mark_hash_entry): Prototype.
3177 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3179 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3180 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3181 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3183 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3184 * objc/lang-specs.h: Likewise.
3186 2000-04-03 Neil Booth <NeilB@earthling.net>
3188 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3189 and SYNTAX_ERROR2. Replace `' in messages with ''.
3190 (op_to_str): Make re-entrant.
3191 (_cpp_parse_expr): Implement new error macros. Use | rather
3192 than || to logically or 2 boolean integers. Simply expression
3193 checking we have a left operand iff needed.
3195 2000-04-03 Nick Clifton <nickc@cygnus.com>
3197 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3199 2000-04-03 Philip Blundell <philb@gnu.org>
3201 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3203 2000-04-03 Felix Lee <flee@cygnus.com>
3205 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3206 (run_shell): Use it.
3208 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3210 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3211 (stmp-fixproto): ...rather than here.
3213 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3215 * pa.c (print_operand): Compute 'base' only inside the code paths
3218 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3220 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3223 2000-04-03 Philipp Thomas <pthomas@suse.de>
3225 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3227 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3229 * Makefile.in (alias.o): Depend on $(TREE_H).
3231 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3233 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3235 * cpplib.c (_cpp_handle_directive): Improve warnings for
3236 traditional C and indented directives.
3238 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3239 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3240 fixinc/inclhack.def: Indent the # of #include_next one space.
3241 * cp/rtti.c: Un-indent #if and #endif.
3243 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3244 syntax error, but an error has already been printed.
3245 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3246 message when called with nothing remaining on the line.
3247 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3248 OTHER token, not an ASSERTION.
3249 * cpplib.c (do_assert): When we create a 'base' node, clear
3250 its aschain pointer.
3252 2000-04-02 Neil Booth <NeilB@earthling.net>
3254 * cppexp.c: New typedef op_t. struct operation and struct
3255 token updated to use it.
3256 (op_to_str): New function.
3257 (_cpp_parse_expr): Error messages modified to use op_to_str.
3259 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3261 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3262 before checking MUST_PASS_IN_STACK.
3264 2000-04-02 Neil Booth <NeilB@earthling.net>
3266 * cppexp.c: New FINISHED dummy token. Combine operator initial
3267 flags and initial priority into a single constant. New
3268 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3269 (_parse_cpp_expr): Implement new constants. Take left operand
3270 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3271 parse indicated by reducing FINISHED token. Remove new lines
3272 from cpp_error messages.
3274 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3276 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3279 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3281 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3282 directive. Add origin values to DIRECTIVE_TABLE. Generate
3283 the strings and function names on the fly. Take the #sccs
3284 entry out of the table if SCCS_DIRECTIVE is not defined.
3285 (_cpp_handle_directive): Decide if the # was at the beginning
3286 of the line here. Issue -pedantic warnings for extended
3287 directives here. Warn about K+R directives with the #
3288 indented, and C89/extended directives with the # not indented,
3290 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3291 do_assert, do_unassert): Don't issue pedantic warning here.
3293 * cpphash.h: Add CPP_WTRADITIONAL macro.
3294 * cpplib.h (struct cpp_options): Rename warn_stringify to
3295 warn_traditional; update comments.
3296 * cppinit.c (handle_option): Set warn_traditional not
3298 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3299 CPP_WTRADITIONAL (pfile).
3300 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3301 be ignored in -traditional mode here.
3303 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3304 to initialize speccase[] and trigraph_map[]. Delete all
3305 references to pfile->input_speccase. Always treat '?' as a
3306 special character. Remove table-initialization code from
3307 _cpp_init_input_buffer.
3309 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3310 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3312 2000-04-01 Richard Henderson <rth@cygnus.com>
3314 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3315 (mostlyclean): Likewise.
3317 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3318 (struct dump_file_info, enum dump_file_index, dump_file): New.
3319 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3320 not a string. Clean out file if we havn't yet done so. Do nothing
3321 if the dump isn't enabled.
3322 (close_dump_file): Do nothing if the dump isn't open. Dump
3323 graph data if requested.
3324 (dump_rtl, clean_dump_file): Remove.
3325 (compile_file): Don't clean the dump files. Only finalize .bp dump
3326 if flag_test_coverage or flag_branch_probabilities. Only finalize
3327 .combine dump if optimizing. Iterate over dump_file to finalize the
3329 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3330 Convert all uses of dump_rtl.
3331 (decode_d_option): Iterate over dump_file to implement 'a' and to
3332 locate pass-specific dumps.
3334 2000-04-01 Neil Booth <NeilB@earthling.net>
3336 * cppexp.c: Redefine priority constants.
3337 (_cpp_parse_expr): Replace left and right priority scheme with
3338 single priority logic. Move LOGICAL to same place as COMPARE.
3339 Remove bogus check for multiple unary +/- operators.
3341 2000-04-01 Neil Booth <NeilB@earthling.net>
3343 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3344 within the switch statement. Binary operations break out of
3345 the switch naturally. '(' tokens handled by forcing
3346 immediate shift. ')' handled by forcing immediate reduce to
3347 the previous '('. New error messages.
3349 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3351 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3352 part', it's already in use. Use %K instead. Add a return at the
3353 end of what is now %K.
3354 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3356 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3358 * builtins.c (expand_builtin_apply): Pass proper parameters to
3359 allocate_dynamic_stack_space.
3360 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3361 update stack_pointer_delta; do not update arg_size_so_far.
3362 (compute_argument_block_size): Use stack_delta instead of
3363 stack_pointer_pending and arg_size_so_far.
3364 (expand_call): Add sanity checking for stack_pointer_delta;
3365 save and restore stack_pointer_delta for SIB, use
3366 stack_pointer_delta for alignment; do not update arg_space_so_far.
3367 (emit_library_call_value): Use stack_pointer_delta for alignment.
3368 (store_one_arg): Do not update arg_space_so_far.
3369 * explow.c (adjust_stack, anti_adjust_stack): Update
3370 stack_pointer_delta.
3371 (allocate_dynamic_stack_space): Add sanity checking for
3372 stack_pointer_delta.
3373 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3374 stack_pointer_delta.
3375 (emit_push_insn): Update stack_pointer_delta.
3376 * function.h (struct expr_status): Add x_stack_pointer_delta;
3377 remove x_arg_space_so_far.
3378 (arg_space_so_far): Remove.
3379 (stack_pointer_delta): New macro.
3381 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3383 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3384 Reorder struct cpp_options and struct cpp_reader for better
3385 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3386 takes two args. Change all 'char' flags to 'unsigned char'.
3387 Move show_column flag into struct cpp_options. Don't
3388 prototype cpp_options_init.
3389 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3390 cppinit.c, cpplex.c, cpplib.c:
3391 Replace CPP_OPTIONS (pfile)->whatever with
3392 CPP_OPTION (pfile, whatever), and likewise for
3393 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3395 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3396 Extract CPP_OPTION (pfile, pending) and work with that
3398 (cpp_options_init): Delete.
3399 (cpp_reader_init): Turn on on-by-default options here.
3400 Allocate the pending structure here.
3401 (cl_options, enum opt_code): Define these from the same table,
3402 kept in a large macro. Add -fshow-column and -fno-show-column
3405 * cpperror.c (v_message): If show_column is off, don't print
3408 * cppmain.c: Update for new interface.
3409 * fix-header.c: Likewise.
3411 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3413 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3415 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3416 are passed to any invocation of AR_FOR_TARGET.
3417 (AR_CREATE_FOR_TARGET): New macro.
3418 (AR_EXTRACT_FOR_TARGET): New macro.
3419 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3420 AR_EXTRACT_FOR_TARGET.
3421 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3422 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3423 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3424 AR_EXTRACT_FOR_TARGET to sub-makes.
3426 2000-03-31 Neil Booth <NeilB@earthling.net>
3428 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3430 (_cpp_parse_expr): Check for multiple unary +/- operators.
3431 Correct priorities of ':' and '?'. Treat ')' as having a
3432 value. Ensure conditional expression is not void.
3434 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3436 * alias.c (canon_rtx): Make it global.
3437 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3439 * cse.c (struct table_elt): Add canon_exp.
3441 (invalidate): Canonicalize expressions only once.
3442 * rtl.h (canon_rtx): Declare.
3444 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3446 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3447 * alias.c (reg_known_value): Add comments.
3448 (init_alias_analysis): Likewise.
3449 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3451 (cse_basic_block): Fix typo in comment.
3452 * emit-rtl.c: Include hashtab.h.
3453 (const_int_htab): New variable.
3454 (const_int_htab_hash): New function.
3455 (const_int_htab_eq): Likewise.
3456 (rtx_htab_mark_1): Likewise.
3457 (rtx_htab_mark): Likewise.
3458 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3459 (unshare_all_rtx): Fix formatting.
3460 (init_emit_once): Initialize const_int_htab.
3461 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3463 * rtl.texi: Document the fact that all CONST_INTs with the same
3466 2000-03-30 Richard Henderson <rth@cygnus.com>
3468 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3470 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3472 * configure.in: Comment out --enable-c-cpplib stanza.
3473 * configure: Regenerate.
3475 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3477 * expr.c (store_constructor): Properly compute displacement and
3478 alignment when offset is variable.
3480 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3481 cases of alignment in bytes.
3483 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3485 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3486 since it is used to generate c-parse.y.
3487 * objc-parse.c, objc-parse.y: Regenerated.
3489 * function.c (expand_function_end): Pass alignment argument to
3490 emit_block_move in bits, not bytes.
3492 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3494 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3497 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3499 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3500 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3501 * function.c (assign_parms): Likewise.
3502 * integrate.c (expand_inline_function): Likewise.
3503 * stmt.c (expand_decl): Likewise.
3504 (copy_rtx_and_substitute): Likewise.
3505 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3506 (clear_by_pieces): Fix error in last change.
3507 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3508 * function.h (regno_pointer_align): Now unsigned.
3509 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3511 * config/i386/i386.c (aligned_operand): Likewise.
3512 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3513 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3514 (unaligned_memory_operand): Likewise.
3515 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3516 Also make alignments and sizes unsigned and some whitespace cleanup.
3517 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3519 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3520 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3521 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3522 (expand_builtin_memset): Likewise, but to clear_storage.
3523 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3524 (restore_fixed_argument_area): Likewise.
3525 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3526 (load_register_parameters): Likewise, to emit_group_load.
3527 (expand_call): Likewise, to emit_group_store and emit_block_move.
3528 (emit_library_call_value_1): Likewise, to emit_block_move.
3529 (store_one_arg): Likewise, and to emit_push_insn.
3530 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3531 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3532 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3533 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3534 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3535 (expand_assigment, store_expr, store_constructor_field): Likewise.
3536 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3537 (store_constructor, store_field, get_inner_reference): Likewise.
3538 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3539 (expand_expr, case COMPONENT_REF): Likewise.
3540 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3541 and positions; reindent code.
3542 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3543 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3544 (assign_parms): Likewise to emit_group_store.
3545 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3546 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3547 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3548 (expand_return): Likewise to {extract,store}_bit_field.
3549 * stor-layout.c (get_mode_alignment): Minor cleanup.
3550 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3551 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3553 2000-03-29 Nick Clifton <nickc@cygnus.com>
3555 * config/arm/arm.h: Undo effects of previous delta:
3556 (ASM_SPEC): Do not define.
3557 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3559 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3562 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3564 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3565 only after reading in the primary source file.
3567 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3569 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3570 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3571 or a reference to a va_list.
3572 * builtins.c (stabilize_va_list): Simplify now we don't have to
3573 work around C array address decay.
3574 * c-typeck.c (convert_for_assignment): Handle assignment to
3575 a reference parameter by taking the address of the RHS.
3576 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3577 (va_copy): Likewise.
3578 (__va_copy): Likewise.
3579 * ginclude/varargs.h (va_start): Likewise.
3580 (__va_copy): Likewise.
3582 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3584 * i386/djgpp.h: Remove extraneous "+".
3586 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3588 * calls.c (expand_call): Fix typo in last change.
3590 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3592 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3595 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3597 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3598 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3599 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3600 * tree.c (bit_position, byte_position): Likewise.
3601 * tree.h: Declare new functions.
3603 2000-03-29 Nick Clifton <nickc@cygnus.com>
3605 * config/arm/arm.c: Minor formatting changes/
3606 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3608 (ASM_SPEC): Define if not already defined.
3610 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3612 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3615 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3617 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3618 value, don't output it as unsigned.
3620 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3622 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3624 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3626 * c-common.c (c_common_nodes_and_builtins): Don't special case
3627 cplus_mode when declaring builtin bzero/bcmp, always avoid
3628 prototype arguments.
3630 2000-03-29 Bruce Korb <bkorb@gnu.org>
3632 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3635 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3637 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3638 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3639 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3640 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3641 (save_fixed_argument_area, restore_fixed_argument_area):
3642 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3643 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3644 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3645 (precompute_register_parameters): Avoid #ifdefs on
3646 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3647 (stire_one_args): Likewise.
3648 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3649 (emit_library_call_value_1): Likewise.
3650 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3651 ACCUMULATE_OUTGOING_ARGS.
3652 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3654 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3655 (use_crosses_set_p): Likewise.
3656 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3657 #define ACCUMULATE_OUTGOING_ARGS 1.
3658 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3660 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3662 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3663 (TARGET_SWITCHES): Add push-args, no-push-args,
3664 accumulate-outgoing-args and no-accumulate-outgoing-args.
3665 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3666 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3667 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3669 (emit_push_insn): Likewise.
3670 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3671 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3672 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3673 (STACK_DYNAMIC_OFFSET): Define correctly for both
3674 ACCUMULATE_OUTGOING_ARGS and normal mode.
3675 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3676 * tm.texi (PUSH_ARGS): Document.
3677 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3679 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3681 * flags.h (flag_optimize_sibling_calls): Declare.
3682 * calls.c (expand_call): Fail sibcall when
3683 !flag_optimize_sibling_calls
3684 * invoke.texi (flag_optimize_sibling_calls): Document.
3685 * toplev.c (flag_optimize_sibling_calls): New global variable.
3686 (f_options): Add flag_optimize_sibling_calls.
3687 (rest_of_compilation): Conditionize
3688 optimize_sibling_and_tail_recursive_calls by
3689 flag_optimize_sibling_calls.
3690 (main): Set flag_optimize_sibling_calls for -O2.
3691 * stmt.c (expand_return): Conditionize tail recursion by
3692 flag_optimize_sibling_calls.
3694 2000-03-29 Richard Henderson <rth@cygnus.com>
3696 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3697 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3699 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3701 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3703 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3705 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3707 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3708 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3709 * config/rs6000/aix.h: then modified likewise.
3711 2000-03-28 Richard Henderson <rth@cygnus.com>
3713 * rtl.h: Redistribute enum reg_note documentation.
3714 Kill trailing whitespace.
3715 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3716 Kill trailing whitespace.
3718 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3720 * cppfiles.c (hash_IHASH): Just return i->hash.
3721 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3722 htab_find_with_hash.
3723 (cpp_read_file): Likewise.
3724 (find_include_file): Likewise. Properly initialize
3725 ih->nshort. Share ih->name and ih->nshort if possible.
3726 * cpphash.c (_cpp_calc_hash): New function.
3727 (hash_HASHNODE): Just return h->hash.
3728 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3729 htab_find_with_hash.
3730 * cpphash.h: Prototype _cpp_calc_hash.
3731 * cppinit.c (initialize_builtins): Provide a valid hash
3732 to _cpp_make_hashnode, using _cpp_calc_hash.
3734 * cpphash.c (collect_expansion): # is not a special character
3735 in object-like macros. In -traditional mode, /**/ is not
3736 token paste at the beginning or end of the line.
3737 * cpplib.c (do_include, do_import, do_include_next): If
3738 parse_include fails, return immediately.
3740 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3742 * config/arm/arm.md (return peepholes): Update to reflect the new
3744 * config/arm/arm.c (arm_volatile_func): Also check
3745 current_function_nothrow.
3746 (output_return_instruction, output_func_prologue): Use it.
3747 (arm_output_epilogue, arm_expand_prologue): Likewise.
3749 2000-03-27 Tom Tromey <tromey@cygnus.com>
3751 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3754 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3756 * expr.c (store_constructor): SIZE now signed.
3757 For EXPR_SIZE, don't evaluate size; just needed if constant.
3758 * fold-const.c (fold): Fix a number of cases when folded tree is
3760 * function.c (flush_addressof): Reenable.
3761 * tree.h (flush_addressof): Likewise.
3762 * toplev.c (independent_decode_option): Look at strings_processed.
3763 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3765 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3767 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3768 Allow stack adjustment after function call.
3770 * regmove.c (struct csa_memlist): Make mem field rtx *.
3771 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3772 (try_apply_stack_adjustment): Replace whole MEM rtx.
3773 (combine_stack_adjustments_for_block): Update calls
3774 to record_one_stack_ref.
3776 2000-03-28 Neil Booth <NeilB@earthling.net>
3778 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3779 '\\' rather than a null character, so nulls are not special. Fix
3780 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3781 speed trigraph conversion.
3782 (_cpp_init_input_buffer): Initialize trigraph map.
3784 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3786 * config/i386/i386.c (output_387_binary_op): Correct intel
3787 mode assembly output, and add spaces after commas in AT&T
3788 output. Correct Unixware assembler comment. Document input
3789 constraints. Comment fp operations. Reduce profligate buffer
3790 size. Remove extraneous abort. Localize temp var.
3791 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3792 (output_fix_trunc): Add spaces after commas in assembly output.
3794 2000-03-27 Richard Henderson <rth@cygnus.com>
3796 * i386-protos.h (ix86_match_ccmode): Declare.
3797 * i386.c (ix86_match_ccmode): New.
3798 (ix86_expand_fp_compare): Update for pattern renames.
3799 (ix86_expand_strlensi_unroll_1): Likewise.
3800 * i386.h (EXTRA_CC_MODES): Add CCZ.
3801 (SELECT_CC_MODE): Use it for EQ/NE zero.
3802 * i386.md (cmpsi_ccz_1): New.
3804 (*testsi_ccz_1): New.
3805 (testqi_ccz_1): New.
3806 (cmpsi_ccno_1): Rename from cmpsi_0.
3807 (testsi_ccno_1): Rename from testsi_1.
3808 (testqi_ccno_1): Rename from testqi_1.
3809 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3810 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3811 (*cmphi_0): Use ix86_match_ccmode.
3812 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3813 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3814 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3815 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3816 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3817 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3818 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3819 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3820 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3821 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3822 (appropriate peepholes): Likewise.
3823 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3824 (*subsi_3, *subhi_3, *subqi_3): Remove.
3825 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3826 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3827 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3828 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3829 (x86_shift_adj_1): Use CCZ.
3830 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3832 2000-03-27 Stan Cox <scox@cygnus.com>
3834 * resource.h (mark_resource_type): New.
3835 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3836 find_free_register): Use mark_resource_type.
3837 (mark_set_resources): Change include_delayed_effects
3838 to mark_resource_type.
3839 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3840 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3841 Use mark_resource_type.
3843 2000-03-27 Richard Henderson <rth@cygnus.com>
3845 * i386.md (call_pop_0, call_value_pop_0): New.
3846 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3847 (call_value_pop_1): Likewise.
3848 (call_0, call_value_0): New.
3849 (call_1, call_value_1): Remove constraint from unused arg.
3851 2000-03-27 Nick Clifton <nickc@cygnus.com>
3853 * invoke.texi (Spec Files): Document new spec % command created by
3854 Tom Tromey's recent patch.
3856 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3858 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3861 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3863 * expr.c (expand_assignment): Fix typo in last change.
3865 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3867 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3869 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3870 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3871 and DECL_INLINE if FUNCTION_DECL.
3872 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3873 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3874 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3875 (combine_parm_decls): Likewise.
3876 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3877 * print-tree.c (print_node): Likewise.
3878 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3879 DECL_TRANSPARENT_UNION on proper decl types.
3880 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3881 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3882 DECL_BIT_FIELD of FIELD_DECL.
3883 * tree.h (DECL_RESULT_FLD): New macro.
3885 * expr.c (expand_assignment): Add code to handle variable-sized
3888 2000-03-26 Richard Henderson <rth@cygnus.com>
3890 * calls.c (expand_call): Pass parms not original exp to
3891 optimize_tail_recursion. Mind return value instead of looking
3893 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3894 call_expr. Move checks for call_expr and current_function_decl ...
3895 (expand_return): ... here.
3897 2000-03-26 Tom Tromey <tromey@cygnus.com>
3899 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3900 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3902 (process_command): Use them.
3903 (check_live_switch): Likewise.
3904 (give_switch): Skip ignored switches.
3906 2000-03-26 Jan Hubicka <jh@suse.cz>
3908 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3909 for minimal jump pass test.
3911 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3913 * integrate.c (function_cannot_inline_p): Do inline functions that
3916 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3918 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3919 now a list of TREE_LIST entries, not types.
3920 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3922 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3923 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3925 * config/mips/mips.c (function_arg): Likewise; also remove cast
3926 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3927 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3928 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3929 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3930 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3931 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3932 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3933 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3934 num_adjusts now unsigned.
3935 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3936 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3938 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3939 as is BITPOS variable; use host_integerp and int_bit_position.
3940 (function_arg_record_value_2): Likewise.
3941 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3942 Variable REGNO now unsigned.
3943 (function_arg_record_value): NREGS now unsigned.
3945 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3947 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3949 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3951 * Rework fields used to describe positions of bitfields and
3952 modify sizes to be unsigned and use HOST_WIDE_INT.
3953 * alias.c (reg_known_value_size): Now unsigned.
3954 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3955 (really_start_incremental_init): Use bitsize_zero_node.
3956 (push_init_level, pop_init_level, output_init_element): Likewise.
3957 Use bitsize_unit_node and bitsize_one_node.
3958 (output_pending_init_elements, process_init_element): Likewise.
3959 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3960 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3961 HOST_WIDE_INT, respectively.
3962 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3963 (num_sign_bit_copies): Returns unsigned.
3964 BITWIDTH now unsigned; rework arithmetic.
3965 Remove recursive call from arg to MAX.
3966 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3967 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3969 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3970 (find_split_point, expand_compound_operation, make_extraction): LEN
3971 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3972 (make_field_assignment): Likewise.
3973 (combine_simplify_rtx): Add cast.
3974 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3975 (force_to_mode): WIDTH now unsigned; add cast.
3976 (if_then_else_cond): SIZE now unsigned.
3977 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3978 (extended_count): Now returns unsigned.
3979 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3980 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3981 (simplify_comparison): MODE_WIDTH now unsigned.
3982 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3983 (mark_used_regs_combine): Likewise; rework arithmetic.
3984 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3985 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3986 (record_promoted_value): REGNO now unsigned.
3987 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3988 (get_last_value): REGNO now unsigned.
3989 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3990 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3991 (remove_death): Arg REGNO now unsigned.
3992 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3993 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3995 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3996 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3997 (struct cse_reg_info): REGNO now unsigned.
3998 (cached_regno): Now unsigned.
3999 (REGNO_QTY_VALID_P): Add cast.
4000 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4001 (remove_invalid_regs): Likewise.
4002 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4003 as are variables END and I.
4004 (get_cse_reg_info, insert): Likewise.
4005 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4006 (canon_hash): Likewise.
4007 (insert_regs, lookup_for_remove): REGNO now unsigned.
4008 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4010 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4011 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4012 * emit-rtl.c (subreg_realpart_p): Add cast.
4013 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4014 (operand_subword_force): Arg I is now unsigned.
4015 * except.c (eh_regs): Variable I is now unsigned.
4016 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4017 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4018 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4019 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4020 (extract_split_bit_field, store_bit_field, extract_bit_field):
4022 * expr.c (store_constructor_fields, store_constructor, store_field):
4023 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4024 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4025 (do_jump): Likewise.
4026 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4027 MAX_SIZE is now unsigned.
4028 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4029 (emit_group_store): Likewise.
4030 (emit_move_insn): I now unsigned.
4031 (store_constructor): Use host_integerp, tree_low_cst, and
4033 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4034 Rework all calculations to use trees and new fields.
4035 * expr.h (promoted_input_arg): Regno now unsigned.
4036 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4037 (mark_seen_cases): Arg is HOST_WIDE_INT.
4038 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4039 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4040 precisions and alignments are unsigned.
4041 (optimize_bit_field_compare, fold_truthop): Likewise.
4042 (int_const_binop): Adjust threshold for size_int_type_wide call.
4043 (fold_convert): Likewise.
4044 (size_int_type_wide): Make table larger and fix thinko that only
4045 had half of table used.
4046 (all_ones_mask_p, fold): Precisions are unsigned.
4047 * function.c (put_reg_info_stack): REGNO is unsigned.
4048 (instantiate_decl): Size is HOST_WIDE_INT.
4049 (instantiate_virtual_regs): I is unsigned.
4050 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4051 (promoted_input_arg): REGNO is unsigned.
4052 * function.h (struct function): x_max_parm_reg is now unsigned.
4053 * gcse.c (max_gcse_regno): Now unsigned.
4054 (struct null_pointer_info): min_reg and max_reg now unsigned.
4055 (lookup_set, next_set): REGNO arg now unsigned.
4056 (compute_hash_table): REGNO and I now unsigned.
4057 (handle_avail_expr): regnum_for_replacing now unsigned.
4058 (cprop_insn): REGNO now unsigned.
4059 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4060 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4061 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4062 * hard-reg-set.h (reg_class_size): Now unsigned.
4063 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4064 * jump.c (mark_modified_reg): I now unsigned; add cast.
4065 (rtx_equal_for_thread_p): Add cast.
4066 * loop.c (max_reg_before_loop): Now unsigned.
4067 (struct_movable): REGNO now unsigned.
4068 (try_copy_prop): REGNO arg unsigned.
4069 (regs_match_p): XN and YN now unsigned.
4070 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4071 (strength_reduce): Likewise; NREGS also unsigned.
4072 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4073 * loop.h (struct iv_class): REGNO now unsigned.
4074 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4076 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4077 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4078 * optabs.c (expand_binop): I and NWORDS now unsigned.
4079 (expand_unop): I now unsigned.
4080 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4081 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4082 * real.c (significand_size): Now returns unsigned.
4083 * real.h (significand_size): Likewise.
4084 * regclass.c (reg_class_size): Now unsigned.
4085 (choose_hard_reg_mode): Both operands now unsigned.
4086 (record_reg_classes): REGNO and NR now unsigned.
4087 (reg_scan): NREGS now unsigned.
4088 (reg_scan_update): old_max_regno now unsigned.
4089 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4090 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4091 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4092 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4093 Likewise for variable R.
4094 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4095 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4096 (find_equiv_reg): Add casts.
4097 (regno_clobbered_p): Arg REGNO now unsigned.
4098 * reload.h (struct reload): NREGS now unsigned.
4099 (refers_to_regno_for_reload_p): Regno args are unsigned.
4100 (regno_clobbered_p): Likewise.
4101 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4102 (compute_use_by_pseudos): REGNO now unsigned.
4103 (find_reg): I and J now unsigned, new variable K, and change loop
4104 variables accordingly; THIS_NREGS now unsigned.
4105 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4106 (spill_hard_reg): REGNO arg now unsigned; add casts.
4107 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4108 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4109 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4110 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4111 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4112 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4113 (emit_reload_insns): REGNO now unsigned.
4114 (reload_cse_move2add): Add cast.
4115 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4117 * resource.c (mark_referenced_resources, mark_set_resources): New
4118 variable R; REGNO and LAST_REGNO now unsigned.
4119 (mark_target_live_regs): J and REGNO now unsigned.
4120 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4121 * rtl.h (union rtunion_def): New field rtuint.
4122 (XCUINT): New macro.
4123 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4124 (operand_subword, operand_subword_force): Word number is unsigned.
4125 (choose_hard_reg_mode): Operands are unsigned.
4126 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4127 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4128 (regno_use_in, combine_instructions, remove_death): Likewise.
4129 (reg_scan, reg_scan_update): Likewise.
4130 (extended_count): Return is unsigned.
4131 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4132 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4133 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4134 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4135 (reg_reg_last_1): FIRS and LAST now unsigned.
4136 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4137 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4139 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4140 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4141 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4142 (replace_regs): Arg NREGS now unsigned.
4143 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4144 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4145 (simplify_binary_operation): Likewise.
4146 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4147 THIS_LAST now unsigned.
4148 (cselib_record_set): Add cast.
4149 * ssa.c (ssa_max_reg_num): Now unsigned.
4150 (rename_block): REGNO now unsigned.
4151 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4153 (all_cases_count): Just return -1 not -2.
4154 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4155 Rework tests to use trees whenever possible.
4156 Use host_integerp and tree_low_cst.
4157 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4158 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4159 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4160 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4161 (smallest_mode_for_size): Likewise.
4162 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4163 KNOWN_ALIGN is now an alignment, so simplify code.
4164 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4165 (start_record_layout): Renamed from new_record_layout_info.
4166 Update to new fields.
4167 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4169 (place_union_field): Renamed from layout_union_field.
4170 Update to use new fields in rli.
4171 (place_field): Renamed from layout_field.
4172 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4173 (finalize_record_size): Rework to use new fields in rli and handle
4175 (compute_record_mode): Rework to simplify and to use new DECL fields.
4176 (finalize_type_size): Make rounding more consistent.
4177 (finish_union_layout): Deleted.
4178 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4179 (layout_type, case RECORD_TYPE): Call new function names.
4180 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4181 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4182 (get_best_mode): UNIT is now unsigned; remove casts.
4183 * tree.c (bit_position): Compute from new fields.
4184 (byte_position, int_byte_position): New functions.
4185 (print_type_hash_statistics): Cast to remove warning.
4186 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4187 (build_index_type): Likewise; make subtype of sizetype.
4188 (build_index_2_type): Pass sizetype to build_range_type.
4189 (build_common_tree_nodes): Use size_int and bitsize_int to
4190 initialize nodes; add bitsize_{zero,one,unit}_node.
4191 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4192 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4193 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4194 (DECL_FIELD_BITPOS): Deleted.
4195 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4196 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4197 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4198 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4199 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4200 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4201 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4202 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4203 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4204 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4205 (DECL_ALIGN): Adjust to new field in union.
4206 (DECL_OFFSET_ALIGN): New field.
4207 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4208 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4209 (union tree_decl): Add struct for both aligns.
4210 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4211 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4212 (struct record_layout_info): Rework fields to have offset
4213 alignment and byte and bit position.
4214 (start_record_layout, place_field): Renamed from old names.
4215 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4216 (byte_position, int_byte_position): Likewise.
4217 (get_inner_reference): Change types of position and length.
4218 * unroll.c (unroll_loop): New variable R; use for some loops.
4219 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4220 (calculate_giv_inc): Arg REGNO now unsigned.
4221 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4222 * varasm.c (assemble_variable): Clean up handling of size using
4223 host_integerp and tree_low_cst.
4224 (decode_addr_const): Use byte, not bit, position.
4225 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4226 use tree_low_cst and int_bit_position.
4227 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4229 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4231 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4232 (reorder_block_def): New members eff_head and eff_end.
4233 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4234 (verify_insn_chain): New function.
4235 (skip_insns_between_block): Add code to skip deleted insns.
4236 Check for note before using.
4237 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4238 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4239 Check for note before using.
4240 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4241 (fixup_reorder_chain): Restructure, clean up, defect removal.
4242 (reorder_basic_blocks): Remove last_insn and references to it.
4243 Moved insn chain verification code into a new function (see above).
4244 Delete defective code that sets last insn.
4245 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4248 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4250 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4252 2000-03-24 Richard Henderson <rth@cygnus.com>
4254 * tree.c (lang_safe_for_unsave): Remove.
4255 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4256 allowing for two levels of unsafeness. Remove lang hook.
4257 * tree.h: Update declarations.
4258 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4259 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4260 Always fail sibcalls when there are pending cleanups.
4262 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4264 * flow.c (propagate_block): When we delete an ADDR_VEC,
4265 also delete the BARRIER following it if there is one.
4267 2000-03-24 Richard Henderson <rth@cygnus.com>
4269 * builtins.c (expand_builtin_bzero): Convert `length' argument
4272 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4274 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4275 comparison if regno's are equal.
4276 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4277 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4278 (expand_call): Update caller.
4279 Avoid making a sibling call if argument size of the callee is larger
4280 than argument size of the caller.
4281 Call hard_function_value with outgoing set if in sibcall pass.
4282 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4284 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4285 Change LEAF_REGISTERS from an array initializer to actual array
4286 identifier. Move static global variable into the function.
4287 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4288 sequences for leaf functions.
4289 * global.c (global_alloc): Likewise.
4290 * tm.texi (LEAF_REGISTERS): Update documentation.
4292 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4293 TARGET_FLAT leaf disabling hack.
4294 (LEAF_REGISTERS): Changed from an array initializer to actual array
4295 identifier to avoid duplication and remove the above hack.
4296 (FUNCTION_OK_FOR_SIBCALL): Define.
4297 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4298 always like call attribute.
4299 (eligible_for_sibcall_delay): New attribute.
4300 (sibcall): New delay type.
4301 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4302 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4303 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4304 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4305 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4307 (output_function_epilogue): Move part of the code into
4308 output_restore_regs.
4309 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4311 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4314 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4315 until infrastructure is finished.
4317 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4319 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4320 (save_parm_insns): Not here.
4322 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4324 * builtins.c (expand_builtin_bzero): New function.
4325 (expand_builtin): Handle bzero.
4327 * builtins.def: Add BUILT_IN_BZERO.
4329 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4330 prototype & function for bzero.
4332 2000-03-23 Michael Meissner <meissner@redhat.com>
4334 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4335 change adding TARGET_FP to the TF floating point insns, except for
4336 trunctfsf2, which generates direct calls to truncdfsf2.
4338 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4340 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4341 try to protect against middle-end changes that break binary
4343 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4345 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4347 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4349 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4351 * calls.c (expand_call): If TARGET is passed by reference and
4352 is readonly, write a CLOBBER.
4354 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * builtins.c (expand_builtin): Handle bcmp.
4358 * builtins.def: Add BUILT_IN_BCMP.
4360 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4361 prototype & function for bcmp.
4363 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4365 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4366 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4367 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4369 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4371 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4372 alternative when using -fp64 -gp32.
4374 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4376 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4377 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4378 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4380 * frame.h (frame_state): Revert last change.
4381 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4382 * libgcc2.c (throw_helper): Revert last change.
4384 2000-03-22 Richard Henderson <rth@cygnus.com>
4386 * stmt.c (expand_asm_operands): Don't promote the temporary.
4388 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4390 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4391 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4392 c_get_alias_set): Likewise.
4393 * c-decl.c (duplicate_decls): Likewise.
4394 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4395 * calls.c (initialize_argument_information): Likewise.
4396 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4398 * dwarfout.c (decl_class_context,output_type): Likewise.
4399 * expr.c (get_inner_reference): Likewise.
4400 * fold-const.c (simple_operand_p,fold): Likewise.
4401 * function.c (aggregate_value_p): Likewise.
4402 * stmt.c (expand_asm_operands): Likewise.
4403 * varasm.c (named_section): Likewise.
4405 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4407 Implement dwarf2 exception handling for the ARM.
4408 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4409 (DWARF_FRAME_RETURN_COLUMN): Define.
4410 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4411 REG_FRAME_RELATED_EXPR note.
4412 (emit_sfm): Likewise.
4413 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4414 * dwarf2out.c (reg_save): Handle saving a register to itself.
4415 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4416 * except.c (eh_regs): Don't use the static chain reg if it's
4418 * frame.h (frame_state): Add cfa_saved field.
4419 * frame.c (execute_cfa_insn): Set it.
4420 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4422 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4424 (instantiate_virtual_regs): Adjust.
4426 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4427 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4428 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4430 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4431 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4433 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4435 * builtins.def: New file.
4437 * Makefile.in (TREE_H): Depend on builtins.def.
4439 * builtins.c (built_in_names): Use builtins.def.
4441 * tree.h (built_in_function): Likewise.
4443 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4445 * tree.c (size_in_bytes): Return size_zero_node, not
4448 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4450 * config/fp-bit.c (pack_d): Correct the case when a denormal
4451 is rounded up and stops being denormal.
4453 2000-03-21 Richard Henderson <rth@cygnus.com>
4455 * config/alpha/alpha.c (function_arg): Check for void_type_node
4456 before using MUST_PASS_IN_STACK.
4458 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4460 * regmove.c (combine_stack_adjustments_for_block): Check that
4461 the stack pointer is a valid memory address.
4463 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4465 * calls.c: re-install Mar 16 emit_library_call merge.
4467 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4469 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4470 we cannot be sure that if reload_completed base register will
4471 be properly aligned.
4473 2000-03-21 Richard Henderson <rth@cygnus.com>
4475 * flow.c (delete_block): Fix typo last change.
4477 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4479 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4480 not COMPLETE_TYPE_P, to check the type of the expression.
4482 2000-03-21 Michael Meissner <meissner@redhat.com>
4484 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4485 all floating point insns that just tested the macro
4486 TARGET_HAS_XFLOATING_LIBS.
4487 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4488 used to only use the gprs.
4490 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4492 * tree.h (COMPLETE_TYPE_P): New macro.
4493 (COMPLETE_OR_VOID_TYPE_P): New macro.
4494 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4495 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4496 * c-aux-info.c (gen_type): Use them.
4497 * c-common.c (c_expand_expr_stmt): Likewise.
4498 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4499 grokdeclarator, grokparms, finish_struct, start_function,
4500 store_parm_decls, combine_parm_decls): Likewise.
4501 * c-parse.y (cast_expr): Likewise.
4502 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4503 c_size_in_bytes, c_alignof, build_component_ref,
4504 build_indirect_ref, build_array_ref, convert_arguments,
4505 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4506 * calls.c (initialize_argument_information): Likewise.
4507 * convert.c (convert_to_integer): Likewise.
4508 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4509 * dwarfout.c (location_or_const_value_attribute,
4510 output_enumeration_type_die, output_structure_type_die,
4511 output_union_type_die, output_type): Likewise.
4512 * expr.c (safe_from_p, expand_expr): Likewise.
4513 * function.c (assign_parms): Likewise.
4514 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4515 * tree.c (build_array_type, build_function_type,
4516 build_method_type, build_offset_type, build_complex_type): Likewise.
4517 * c-parse.c, c-parse.h: Regenerated.
4519 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4521 * config/c4x/rtems.h: Include config/rtems.h.
4523 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4525 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4526 decl is a FUNCTION_DECL
4528 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4530 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4531 function uses output registers. Don't save RP for leaf functions.
4532 Do save RP even if no epilogue.
4533 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4534 (CALL_USED_REGISTERS): Unmark in registers.
4535 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4538 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4540 * config/rs6000/rs6000.md (bunordered): New expander.
4541 (bordered): New expander.
4542 (buneq): New expander.
4543 (bunge): New expander.
4544 (bungt): New expander.
4545 (bunle): New expander.
4546 (bunlt): New expander.
4547 (bltgt): New expander.
4549 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4550 (ccr_bit_negated_p): New function.
4551 (print_operand): For %C, generate appropriate cror for UNEQ,
4552 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4554 2000-03-20 Andreas Jaeger <aj@suse.de>
4556 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4559 * tree.h (safe_for_unsave): Prototype.
4561 2000-03-20 Richard Henderson <rth@cygnus.com>
4563 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4564 (combine_stack_adjustments_for_block): Don't allow sp references
4565 in the side of a set we're not fixing up.
4566 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4567 after life_analysis.
4569 2000-03-20 Richard Henderson <rth@cygnus.com>
4571 * calls.c (expand_call): Don't bother generating tail call
4572 sequences if there are pending cleanups. Use
4573 expand_start_target_temps/expand_end_target_temps to elide
4574 cleanups created during sibcall expansion.
4576 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4578 * configure.in: Set $IFS to a value if it doesn't already have one
4579 in the --enable-checking handling.
4580 * configure: Regenerate.
4582 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4584 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4585 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4588 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4590 * jump.c (delete_noop_moves): Remove code attempting to
4591 combine stack adjustments.
4593 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4595 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4596 * except.c (emit_cleanup_handler): Use them.
4597 (expand_end_all_catch): Likewise.
4598 * function.c (fixup_var_refs): Likewise.
4599 (expand_function_end): Clear catch_clauses_last.
4600 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4601 * except.h (struct eh_status): New field x_catch_clauses_last.
4602 (catch_clauses_last): New define.
4604 * Makefile.in (tree.o): Depend on HASHTAB_H.
4605 * tree.c: Include hashtab.h.
4606 (struct type_hash): Remove next field.
4607 (TYPE_HASH_SIZE): Remove.
4608 (TYPE_HASH_INITIAL_SIZE): New define.
4609 (type_hash_table): Change type to htab_t.
4610 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4611 mark_hash_entry): New functions.
4612 (init_obstacks): Allocate type hash.
4613 (type_hash_lookup): Use htab functions.
4614 (type_hash_add, mark_type_hash): Likewise.
4615 (dump_tree_statistics): Call print_type_hash_statistics.
4617 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4619 * rs6000/t-aix41: New file.
4621 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4623 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4625 * tm.texi (Driver): Fix typos and tweak entry for
4627 Move misplaced STRUCT_FORCE_BLK entry ...
4628 (Storage Layout): ... to here.
4629 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4631 2000-03-19 Richard Henderson <rth@cygnus.com>
4633 * flow.c (delete_block): Delete the addr_vec along with the block.
4634 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4637 * fold-const.c (extract_muldiv): Apply type check for defined
4638 overflow to multiply as well as divide.
4640 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4642 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4644 * emit-rtl.c (remove_unncessary_notes): Check that all
4645 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4646 associated NOTE_BLOCK.
4647 * function.h (identify_blocks): Update comments.
4648 (reorder_blocks): Declare.
4649 * function.c (identify_blocks): Don't take paramters.
4650 (reorder_blocks): Don't take parameters.
4651 * loop.h (find_loop_tree_blocks): Remove.
4652 (unroll_block_trees): Likewise.
4653 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4654 reorder_blocks instead of unroll_block_trees.h
4655 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4656 * stmt.c (find_loop_tree_blocks): Remove.
4657 (unroll_block_trees): Likewise.
4658 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4659 in whole-function mode.
4660 * tree.h (reorder_blocks): Remove declaration.
4662 * expr.c: Include intl.h.
4663 * Makefile.in (expr.o): Depend on intl.h.
4665 2000-03-18 Richard Henderson <rth@cygnus.com>
4667 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4669 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4671 * tree.h (tree_index): Remove enumerals for integer types.
4672 (integer_type_kind): New type.
4673 (integer_types): New variable.
4674 (char_type_node): Adjust.
4675 (signed_char_type_node): Likewise.
4676 (unsigned_char_type_node): Likewise.
4677 (short_integer_type_node): Likewise.
4678 (short_unsigned_type_node): Likewise.
4679 (integer_type_node): Likewise.
4680 (unsigned_type_node): Likewise.
4681 (long_integer_type_node): Likewise.
4682 (long_unsigned_type_node): Likewise.
4683 (long_long_integer_type_node): Likewise.
4684 (long_long_unsigned_type_node): Likewise.
4685 * tree.c (integer_types): New variable.
4686 (init_obstacks): Register it as a root.
4688 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4690 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4691 NEXT_INSN. Update last insn in chain.
4693 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4695 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4696 with TYPE_DECL_SUPPRESS_DEBUG set.
4698 2000-03-18 Richard Henderson <rth@cygnus.com>
4700 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4702 2000-03-18 Richard Henderson <rth@cygnus.com>
4704 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4705 care for HALF_PIC_P.
4706 (expander_call_insn_operand): Remove.
4707 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4708 * i386.h (PREDICATE_CODES): Update.
4709 * i386.md (all call expanders): Remove predicates, remove special
4710 handling for half-pic.
4711 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4712 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4713 (sibcall_epilogue): New.
4715 2000-03-17 Richard Henderson <rth@cygnus.com>
4717 * rtlanal.c (single_set): Reject if the parallel has anything
4718 except SET or USE or CLOBBER.
4720 2000-03-17 Jeff Law <law@cygnus.com>
4721 Richard Henderson <rth@cygnus.com>
4723 * Makefile.in (OBJS): Add sibcall.o.
4725 * sibcall.c: New file.
4726 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4727 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4728 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4729 Emit sibcall patterns when requested. Update all callers.
4730 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4731 elimination seems feasable.
4732 * final.c (leaf_function_p): Sibling calls don't discount being
4734 * flow.c (HAVE_sibcall_epilogue): Provide default.
4735 (find_basic_blocks_1): Sibling calls don't throw.
4736 (make_edges): Make edge from sibling call to EXIT.
4737 (propagate_block): Don't remove sibcall_epilogue insns.
4738 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4739 (sibcall_epilogue): New.
4740 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4741 (identify_blocks_1): Likewise. Break out from ...
4742 (identify_blocks): ... here.
4743 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4744 (reorder_blocks): ... here.
4745 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4746 (record_insns): Extend a varray instead of mallocing new memory.
4747 (contains): Read a varray not array of ints.
4748 (sibcall_epilogue_contains): New.
4749 (thread_prologue_and_epilogue_insns): Emit and record
4750 sibcall_epilogue patterns.
4751 (init_function_once): Allocate prologue/epilogue varrays.
4752 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4753 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4755 (save_for_inline_nocopy): ... here.
4756 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4758 (expand_inline_function): ... here.
4759 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4760 (subst_constants): Handle 'n' formats.
4761 * jump.c (jump_optimize_minimal): New.
4762 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4763 optimizations if it's set.
4764 * rtl.c (copy_rtx): Do copy jump & call for insns.
4765 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4766 (SIBLING_CALL_P): New.
4767 (sibcall_use_t): New.
4768 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4769 Invoke optimize_sibling_and_tail_recursive_calls.
4770 * tree.c (lang_safe_for_unsave): New.
4771 (safe_for_unsave): New.
4772 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4774 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4775 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4776 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4778 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4780 * objc/objc-act.c (encode_method_prototype): Pass types, not
4781 PARM_DECLs, to int_size_in_bytes.
4783 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4785 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4787 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4788 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4790 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4792 * Clean up usages of TREE_INT_CST_LOW.
4793 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4794 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4796 * c-tree.h (min_precision): Move declaration to here.
4797 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4798 (build_unary_op, add_pending_init): Use bit_position.
4799 (pending_init_member, process_init_element): Likewise.
4800 (really_start_incremental_init, push_init_level, pop_init_level):
4801 Don't make copies of nodes or modify them in place, use consistent
4802 types when tracking positions, and use tree routines computations.
4803 (set_init_index, output_init_element): Likewise.
4804 (output_pending_init_elements, process_init_element): Likewise.
4805 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4806 tree_low_cst and int_bit_position; also minor cleanup.
4807 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4808 (print_cst_octal): Precision is unsigned.
4809 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4810 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4811 (simple_type_align_in_bits): Result is unsigned int.
4812 Use tree_int_low_cst and host_integerp.
4813 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4814 (field_byte_offset): Result is HOST_WIDE_INT.
4815 Change types of internal variables so alignments are unsigned int,
4816 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4817 Use host_integerp, tree_low_cst, and int_bit_position.
4818 (add_bit_offset_attribute): Likewise.
4819 (add_data_member_location_attribute): Use tree_cst_low.
4820 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4821 (add_bit_size_attribute): Use tree_low_cst.
4822 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4823 * dwarfout.c: Similar changes to dwarf2out.c.
4824 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4825 * genoutput.c (n_occurences): Return -1 for null string.
4826 (strip_whitespace): Accept null string and make into function.
4827 (scan_operands): Reflect above changes.
4828 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4829 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4830 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4831 * tree.c (int_size_in_bytes): Check for too big to represent.
4832 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4833 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4835 (min_precision): Delete from here.
4836 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4837 and int_bit_position.
4838 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4839 (encode_method_def): Likewise.
4840 (build_ivar_list_initializer): Use int_bit_position.
4841 (generate_shared_structures): Convert size.
4842 (encode_type, encode_complete_bitfield): Use integer_zerop.
4843 (encode_bitfield): Use tree_low_cst and int_bit_position.
4845 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4847 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4849 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4851 * call.c (special_function_p): It is only malloc if it returns
4854 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4856 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4857 (C33_FLAG, TARGET_C3X): Add macros.
4858 (TARGET_SWITCHES): Add -m33 option.
4859 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4861 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4863 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4864 (PARALLEL_PACK_FLAG): Delete.
4865 (TARGET_SWITCHES): Update.
4866 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4868 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4870 * fold-const.c (fold): Fix a few cases when the returned result
4871 is not of the same type as the input.
4873 2000-03-16 Nick Clifton <nickc@cygnus.com>
4875 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4878 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4880 * libgcc2.h: Move prototypes above macros with the same name.
4881 Wrap some function prototypes in the conditional which indicates
4882 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4884 2000-03-16 Richard Henderson <rth@cygnus.com>
4886 * calls.c: Revert last two changes.
4888 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4890 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4891 has exponent 0 is a zero.
4893 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4894 HASH may already be nonzero. Add code/mode into hash value
4895 immediately after repeat label.
4896 (cselib_lookup): Don't leave the hash table in an inconsistent
4897 state before a hash lookup operation.
4899 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4901 * i386.md (all HI and QI mode non-move patterns): Conditionize
4902 by TARGET_[HQ]IMODE_MATH.
4903 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4904 x86_promote_qi_regs): Declare.
4905 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4906 TARGET_PROMOTE_QI_REGS): New macros.
4907 (PROMOTE_MODE): New macro.
4908 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4909 x86_promote_qi_regs): New global variables.
4911 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4913 * calls.c (emit_library_call_value_1): Break out from ...; handle
4914 VOIDmode function calls too.
4915 (emit_library_call_value): ... here.
4916 (emit_library_call): Implement by calling emit_library_call_value_1.
4918 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4920 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4921 Update arg_space_so_far on stack adjustments.
4922 (emit_library_call, emit_library_call_value): Likewise; take into
4923 account arg_space_so_far and pending_stack_adjust when calculcating
4926 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4928 * flow.c: Move all basic block reordering code into its own file.
4929 (create_basic_block): Externalize.
4930 * bb-reorder.c: New file. Copy all basic block reordering code from
4931 flow.c to this file.
4932 (reorder_basic_blocks): Fix fencepost error in for-loop.
4933 (reorder_basic_blocks): Remove braces from single statement for-loops.
4934 * basic-block.h: Add declaration for create_basic_block.
4935 * Makefile.in: Add rules for bb-reorder.o.
4937 2000-03-16 Neil Booth <NeilB@earthling.net>
4939 * cppinit.c (handle_option): Implement #unassert directive
4940 as -A- command line option.
4941 (print_help): Update.
4942 * cpptexi.c: Update.
4944 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4946 * md.texi (Standard Names): Document `jump'.
4948 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4950 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4953 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4955 Merge changes from newppc-branch onto trunk.
4957 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4959 * rs6000.c (toc_hash_table): Update for new hash table functions.
4960 (toc_hash_function): Likewise.
4961 (toc_hash_eq): Likewise.
4962 (toc_hash_mark_entry): Likewise.
4963 (toc_hash_mark_table): Likewise.
4964 (output_toc): Likewise.
4965 (rs6000_add_gc_roots): Likewise.
4967 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4969 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4970 (AR_FLAGS_FOR_TARGET): here. New macro.
4972 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4974 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4975 fpmem_operand) Delete.
4977 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4978 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4979 (rs6000_save_machine_status, rs6000_restore_machine_status,
4980 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4981 references to above variables.
4982 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4983 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4984 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4985 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4986 (XER_REGNO_P, XER_REGNO): New.
4987 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4988 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4989 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4991 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4992 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4993 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4995 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4997 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4998 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4999 * rs6000.h: from here.
5001 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5002 (rs6000_select_rtx_section): Likewise.
5003 (rs6000_encode_section_info): Likewise.
5004 (sdata_section): Likewise.
5005 (sdata2_section): Likewise.
5006 (sbss_section): Likewise.
5007 * sysv4.h (rs6000_select_section): Delete prototype.
5008 (rs6000_select_rtx_section): Likewise.
5009 (rs6000_encode_section_info): Likewise.
5010 (sdata_section): Likewise.
5011 (sdata2_section): Likewise.
5012 (sbss_section): Likewise.
5013 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5015 * sysv4.h: Delete various unnecessary #undef's and put a comment
5016 on the remaining ones.
5017 Change various comments according to coding standard.
5019 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5021 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5022 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5023 (CR0_REGNO_P) Remove.
5024 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5025 setup_incoming_varargs, mtcrf_operation, print_operand,
5026 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5027 Use the above macros.
5029 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5031 * config/rs6000/rs6000.md: Added a new alternative for each
5032 pattern that had a 'x' alternative but no 'y' alternative.
5033 Added a new split for each of the above patterns.
5035 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5037 * aix41.h (ASM_CPU_SPEC): Delete.
5038 (CPP_CPU_SPEC): Delete.
5040 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5041 (ASM_OUTPUT_LABEL): Define.
5042 (ASM_GLOBALIZE_LABEL): Define.
5043 (STRIP_NAME_ENCODING): Define.
5044 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5045 (STRIP_NAME_ENCODING): Don't define.
5046 (ASM_OUTPUT_LABEL): Don't define.
5047 (ASM_GLOBALIZE_LABEL): Don't define.
5048 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5049 names, and ASM_OUTPUT_LABEL to output labels, rather than
5051 (ASM_OUTPUT_LABEL): Define.
5052 (ASM_OUTPUT_INT): Use assemble_name.
5053 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5054 (STRIP_NAME_ENCODING): Don't undefine first.
5055 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5057 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5058 specified with 'asm' even with -fleading-underscore.
5059 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5060 (output_epilog): Likewise.
5061 (output_toc): Likewise.
5062 * tramp.asm: Handle -fleading-underscore correctly.
5064 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5066 (nonlocal_goto_receiver): Delete.
5067 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5069 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5070 (SET_ASM_OP): Define.
5071 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5073 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5076 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5077 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5079 * rs6000.h: Add 'u' to more constants.
5081 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5083 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5085 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5087 * rs6000.c (reg_or_u_cint_operand): New function.
5088 (logical_operand): Handle 64-bit hosts.
5089 (logical_u_operand): New function.
5090 (non_logical_cint_operand): Handle 64-bit hosts.
5091 (non_logical_u_cint_operand): New function.
5092 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5093 (PREDICATE_CODES): Define new functions.
5094 * rs6000-protos.h: Declare new functions.
5095 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5096 (movdi_64): Bracket code intended for 64-bit hosts. Create
5097 CONST_DOUBLE for 32-bit values.
5098 (scc insns): Generate DImode compares.
5099 (mfcr insns): Create DImode versions.
5100 (sge matchers): New patterns.
5102 2000-02-15 Gabriel Paubert <paubert@iram.es>
5104 * rs6000.md: Correct instructions length attributes and
5105 constraints on unsigned compare instructions.
5106 (*ne0): Disable for PowerPC64.
5108 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5110 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5111 quantity, fix profile1.C test failure under -fPIC.
5113 * rs6000.c: Add 'u' to many constants to suppress warnings.
5114 (constant_pool_expr_1): Make static.
5115 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5116 * rs6000.h: Add 'u' to many constants to suppress warnings.
5118 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5119 for the start of the TOC, instead of LCTOC..0.
5120 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5122 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5123 (load_toc_aix_di): Use LCTOC..1.
5125 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5126 * rs6000.c (rs6000_legitimize_address): New function from
5127 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5128 symbols in the constant pool that really are TOC references.
5129 (print_operand_address): For ELF, write TOC offsets under
5130 -fPIC as subtractions in the insn.
5131 (output_toc): For ELF, define symbols in TOC as normal labels,
5133 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5134 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5135 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5136 * rs6000.md (movsi): Only use create_TOC_reference on
5137 symbols in the constant pool that really are TOC references.
5139 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5140 * rs6000.c (rs6000_reorg): Delete.
5141 * rs6000-protos.h (rs6000_reorg): Delete.
5143 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5145 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5147 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5148 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5149 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5150 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5151 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5152 rs6000_aix_emit_builtin_unwind_init.
5153 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5154 rs6000_emit_eh_toc_restore on AIX.
5155 (return_eh_si): Use r2.
5156 (return_eh_di): Use r2.
5158 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5159 since we're breaking binary compatibility anyway.
5161 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5163 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5164 constant_pool_expr_p): Declare them.
5165 (constant_pool_expr_p): Declare it.
5166 * config/rs6000/rs6000.c (toc_label_name): Define.
5167 (rs6000_override_options): Set toc_label_name.
5168 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5169 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5170 uses_TOC): New functions.
5171 (print_operand): Delete old '*' case.
5172 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5173 and strip off rtl for TOC before calling output_addr_const.
5174 (rs6000_emit_load_toc_table): Use toc_label_name.
5175 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5177 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5178 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5179 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5180 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5181 into explicit TOC_REGISTER offsets.
5182 (TOC_REGISTER): New macro.
5183 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5184 TARGET_TOC to reference TOC_REGISTER.
5185 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5186 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5187 uses_TOC before emitting label references.
5189 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5191 * rs6000.md (stack_tie): Fix warning.
5193 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5194 to handle -fleading-underscore.
5195 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5196 (USER_LABEL_PREFIX): New macro.
5197 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5198 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5199 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5200 call-linux can use the same multilibs.
5201 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5202 and call-linux multilibs. Do multilib with -fleading-underscore.
5203 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5204 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5207 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5208 have MASK_SOFT_FLOAT set.
5209 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5210 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5211 CPP_FLOAT_DEFAULT_SPEC.
5213 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5214 * rs6000.md: Whitespace change.
5215 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5216 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5218 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5220 * rs6000.md (eh_epilogue): New expander.
5221 (eh_reg_restore): New expand/split/insn combination.
5222 (return_eh_si): New insn.
5223 (return_eh_di): New insn.
5225 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5226 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5227 * eabi-ctors.c (__do_global_ctors): Register this object's
5228 frame. Clean up. Call atexit() after the constructors.
5229 (__do_global_dtors): Deregister this object's frame. Clean up.
5230 Allow for recursive calls to exit().
5231 * rs6000.c (fixuplabelno): New variable.
5232 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5233 TARGET_RELOCATABLE, it slows down exec() under linux.
5234 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5236 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5237 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5238 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5239 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5240 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5241 (ASM_OUTPUT_DWARF_ADDR): New macro.
5242 (ASM_OUTPUT_DWARF_DATA4): New macro.
5243 (ASM_OUTPUT_DWARF_DATA2): New macro.
5244 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5245 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5246 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5248 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5250 * rs6000.c (rs6000_sr_alias_set): New variable.
5251 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5252 (rs6000_emit_stack_tie): New function.
5253 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5254 in a way that dwarf2out can understand.
5255 (rs6000_frame_related): New function.
5256 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5257 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5258 Use rs6000_emit_stack_tie when needed.
5259 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5260 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5261 * rs6000.md (stack_tie): New insn.
5262 (return_internal_si): Allow return value to be in the count
5264 (return_internal_di): Likewise.
5266 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5268 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5270 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5272 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5274 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5276 * rs6000.md (stmw): Use the right POWER opcode.
5279 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5281 * rs6000-protos.h: New file.
5283 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5285 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5288 * sysv4.h: Likewise.
5290 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5292 * ../../configure.in: Delete powerpcle-*-winnt*
5293 and powerpcle-*-pe|powerpcle-*-cygwin*.
5294 * ../../configure: Regenerated.
5296 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5297 (TARGET_WINDOWS_NT): Delete.
5299 (CALL_NT_DLLIMPORT): Delete.
5300 Delete NT-specific code.
5301 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5304 * nt-ci.asm: Delete.
5305 * nt-cn.asm: Delete.
5306 * ntstack.asm: Delete.
5308 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5310 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5311 (ASM_FILE_START): Likewise.
5312 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5313 (ASM_OUTPUT_LABELREF): Likewise.
5314 (ASM_OUTPUT_SKIP): Likewise.
5315 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5316 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5317 (ASM_OUTPUT_CASE_LABEL): Likewise.
5318 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5319 (ASM_OUTPUT_ASCII): Likewise.
5321 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5323 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5324 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5325 increment rs6000_pic_labelno here.
5326 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5327 and increment rs6000_pic_labelno here.
5329 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5331 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5332 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5333 allocation knows (reg) is dead before the insn.
5335 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5337 * rs6000.md (movsi_to_cr): Correct typo in output template.
5339 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5341 * rs6000.c (rs6000_pic_labelno): Always define.
5342 (rs6000_pic_func_labelno): Delete.
5343 (lmw_operation): Check for a zero base register,
5344 which doesn't mean what we want.
5345 (stmw_operation): New function.
5346 (print_operand): Define new 'l' modifier.
5347 (rs6000_stack_info): We must save all 64 bits of the registers
5348 if TARGET_POWERPC64.
5349 (rs6000_output_load_toc_table): Delete.
5350 (rs6000_emit_load_toc_table): New function.
5351 (rs6000_allocate_stack_space): Delete.
5352 (rs6000_emit_allocate_stack): New function.
5353 (rs6000_emit_prologue): New function.
5354 (output_prolog): Use rs6000_emit_prologue.
5355 (rs6000_emit_epilogue): Change a few variable names to be
5356 more accurate. Restore all 64 bits of the registers if
5357 TARGET_POWERPC64. Only restore the FP registers which were used
5358 if they are being saved/restored one-at-a-time.
5359 (output_mi_thunk): Delete inefficient code generation.
5360 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5361 * rs6000.h: Declare rs6000_emit_load_toc_table,
5362 rs6000_allocate_stack_space, stmw_operation. Don't declare
5363 rs6000_output_load_toc_table.
5364 * rs6000.md (elf_high): Allow register 0, but discourage it
5366 (elf_low): Support loading into register 0.
5367 (load_toc_aix_si): New pattern.
5368 (load_toc_aix_di): New pattern.
5369 (load_toc_v4_pic_si): New pattern.
5370 (load_toc_v4_pic_di): New pattern.
5371 (load_toc_v4_PIC_1): New pattern.
5372 (load_toc_v4_PIC_1b): New pattern.
5373 (load_toc_v4_PIC_2): New pattern.
5374 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5375 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5376 (prologue): New expander.
5377 (movesi_from_cr): New pattern.
5378 (stmw): New pattern.
5379 (save_fpregs_si): New pattern.
5380 (save_fpregs_di): New pattern.
5382 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5384 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5389 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5391 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5393 (movsi_got_internal): Likewise.
5394 (movsi_got_internal+1): Likewise.
5395 (set_sp): 'unspec 7' does a SImode clobber.
5397 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5399 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5400 allocate a stack temporary.
5401 (floatsidf2_internal): Likewise.
5402 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5404 (floatunssidf2): Don't use the fpmem "register", just
5405 allocate a stack temporary.
5406 (floatunssidf2_internal): Likewise.
5407 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5409 (floatsidf2_loadaddr): Delete.
5410 (floatsidf2_store1): Delete.
5411 (floatsidf2_store2): Delete.
5412 (floatsidf2_load): Delete.
5413 (fix_truncdfsi2): Don't use the fpmem "register", just
5414 allocate a stack temporary.
5415 (fix_truncdfsi2_internal_si): Delete.
5416 (fix_truncdfsi2_internal_di): Delete.
5417 (fix_truncdfsi2_internal): New insn.
5418 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5419 (fix_truncdfsi2_store): Delete.
5420 (fix_truncdfsi2_load): Delete.
5421 (fctiwz): Produce gen_fctiwz.
5423 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5425 * eabi.h (INVOKE__main): Define.
5426 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5428 (rs6000_emit_prologue): Likewise.
5429 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5430 this is the main program.
5432 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5434 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5436 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5438 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5439 goes after the argument.
5441 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5443 * rs6000.md: Document 'unspec' values used.
5444 (epilogue): New expander.
5445 (movesi_to_cr_one): New expander.
5446 (movesi_to_cr and following): New pattern.
5448 (return_internal_si): New pattern.
5449 (return_internal_di): New pattern.
5450 (return_and_restore_fpregs_si): New pattern.
5451 (return_and_restore_fpregs_di): New pattern.
5452 * rs6000.h: Declare new functions.
5453 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5454 rather than rs6000_calls_p.
5455 (rs6000_makes_calls): Delete.
5456 (lmw_operation): New function.
5457 (mtcrf_operation): New function.
5458 (rs6000_emit_epilogue): New function.
5459 (output_epilog): Call rs6000_emit_epilogue and final if
5460 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5462 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5464 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5465 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5466 * aix.h (SUBTARGET_SWITCHES): Document switches.
5467 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5468 sched-prolog and sched-epilog the same. Document all the
5470 (TARGET_OPTIONS): No longer allow -mdebug-.
5472 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5474 * rs6000.h (ASM_FILE_END): Move to aix.h.
5475 (EXTRA_SECTIONS): Move to aix.h.
5476 (READONLY_DATA_SECTION): Move to aix.h.
5477 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5478 (SELECT_SECTION): Move to aix.h.
5479 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5480 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5481 (LINK_REGISTER_REGNUM): New definition.
5482 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5483 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5485 * sysv4.h: Delete the code between the inclusion of rs6000.h
5487 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5488 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5489 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5490 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5491 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5492 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5493 (fix_truncdfsi2_internal_di): New pattern.
5494 (fix_truncdfsi2_store): The second arg here is Pmode too.
5495 (fix_truncdfsi2_load): The second arg here is Pmode too.
5496 (tablejumpdi): Now that switch tables hold only SImode values,
5497 gcc needs to know how to add them to the pc which is DImode.
5498 * rs6000.c (rs6000_stack_info): Use symbolic name for
5499 LINK_REGISTER_REGNUM.
5500 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5501 (output_toc): Delete unused variables s1 and s2.
5502 (output_ascii): Use fputs not fprintf on a variable string.
5504 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5506 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5507 * aix43.h: Revert Aug 2 change.
5508 (HAS_INIT_SECTION): Define, not visible yet.
5509 (LD_INIT_SWITCH): Define, not visible yet.
5510 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5512 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5514 * config/rs6000/rtems.h: Include config/rtems.h.
5516 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5518 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5519 (SLOW_UNALIGNED_ACCESS): Define.
5520 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5521 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5522 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5523 (toc_section): Likewise and .toc pseudo-op.
5524 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5526 (TEXT_SECTION_ASM_OP): Likewise.
5527 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5530 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5532 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5533 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5536 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5538 * rs6000.h: Move more stuff from here...
5540 * sysv4.h: Cleanup accordingly.
5541 * netware.h: Likewise
5543 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5545 * rs6000.h: Continue cleanup.
5548 * netware.h: Likewise.
5550 * sysv4.h: Likewise.
5551 * win-nt.h: Likewise.
5553 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5554 (TARGET_OPTIONS): Likewise.
5556 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5557 (SUBTARGET_OPTIONS): Likewise.
5559 * rs6000.md: Fix compile time warnings.
5561 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5563 vxworks patches from the Cygnus tree originally by
5564 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5565 <vmakarov@cygnus.com>.
5566 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5567 (ENDFILE_SPEC): Likewise.
5568 (LIB_VXWORKS_SPEC): New macro.
5569 (STARTFILE_VXWORKS_SPEC): New macro.
5570 (ENDFILE_VXWORKS_SPEC): New macro.
5571 (LINK_START_VXWORKS_SPEC): New macro.
5572 (LINK_OS_VXWORKS_SPEC): New macro.
5573 (CPP_OS_VXWORKS_SPEC): New macro.
5574 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5575 * vxppc.h: Rewrite to use proper configuration method.
5576 * vxppcle.h: New file.
5577 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5578 * ../../configure: Rebuilt.
5580 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5582 Lots of changes to rs6000.h, sysv4.h, aix.h,
5583 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5584 with the aim that rs6000.h is the first header
5585 included and the others override it.
5588 * x-aix41-gld: Remove.
5590 * x-aix41: Remove target-specific switches, and don't specify
5591 -Wl,-bbigtoc as we don't need it any more.
5592 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5593 Use t-aix43 for AIX 4.3 and above.
5594 * ../../configure: Regenerated.
5596 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5597 options, that don't do anything yet.
5598 (MASK_SCHED_PROLOG): New macro.
5599 (MASK_SCHED_EPILOG): New macro.
5600 (TARGET_SCHED_PROLOG): New macro.
5601 (TARGET_SCHED_EPILOG): New macro.
5603 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5605 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5606 one per translation unit, not one per function.
5607 (output_toc): Also do duplicate constant elimination
5608 for per-translation-unit TOCs.
5610 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5611 a comment explaining _exactly_ when this pattern gets used.
5612 (builtin_setjmp_receiver): New pattern for better clarity.
5613 (init_v4_pic): Move it into a section dealing with TOC registers.
5615 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5617 * rs6000.c (toc_hash_table): New variable.
5618 (rs6000_hash_constant): New function.
5619 (toc_hash_function): New function.
5620 (toc_hash_eq): New function.
5621 (toc_hash_mark_entry): New function.
5622 (toc_hash_mark_table): New function.
5623 (output_toc): Don't output duplicate TOC entries in
5625 (rs6000_add_gc_roots): Add the hash table as a GC root.
5626 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5627 where they clearly shouldn't be. This may need to be fixed
5628 later when there is a GNU ar for AIX.
5629 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5630 Don't define BOOT_LDFLAGS as it is now not necessary.
5632 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5634 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5635 for va_list on AIX. Use unsigned_char_type_node rather than
5636 constructing our own version on svr4.
5638 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5640 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5641 since patently it's not.
5643 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5645 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5646 define_expand/define_insn pair, and handle restore of the
5647 SVR4 -fpic register.
5649 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5651 * acconfig.h (HAVE_GAS_WEAK): New define.
5652 * configure.in (assembler weak support): Check for .weak support.
5653 * config.in, configure: Rebuilt.
5654 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5655 HAVE_GAS_WEAK is defined.
5657 2000-03-15 Nick Clifton <nickc@cygnus.com>
5659 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5662 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5664 * cppfiles.c (open_include_file): New function.
5665 (find_include_file, cpp_read_file): Use it.
5667 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5669 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5671 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5673 * flow.c (verify_flow_info): Check for unconditional return.
5675 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5677 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5678 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5679 (__ia64_restore_stack_nonlocal): New.
5680 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5682 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5684 * cpphash.c (collect_formal_parameters): Do not complain about
5685 parameter names that just start with `__VA_ARGS__'.
5687 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5689 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5690 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5691 * i386.c (pentiumpro_cost): Set mul cost to 4.
5692 (x86_use_movx): Set for PPro.
5694 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5696 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5697 STACK_BOUNDARY for empty frames now.
5699 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5701 * stor-layout.c (layout_union): Remove.
5702 (layout_union_field): New function, split out from layout_union.
5703 (finish_union_layout): Likewise.
5704 (layout_field): Handle unions by calling layout_union_field.
5705 (finish_record_layout): Handle unions.
5706 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5707 QUAL_UNION_TYPE handling.
5709 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5711 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5712 end of basic block is jump_insn, not barrier; use create_basic_block
5713 instead of creating basic block by hand.
5715 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5717 * flow.c (reorder_basic_blocks): Account for barriers when writing
5718 over NEXT_INSN (last_bb->end).
5719 (verify_flow_info): Add check for missing barriers.
5721 2000-03-14 Greg McGary <gkm@gnu.org>
5723 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5724 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5725 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5726 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5727 __unbounded, __unbounded__): New keywords.
5728 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5729 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5730 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5732 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5734 * cselib.h: New file.
5735 * alias.c: Include "cselib.h".
5736 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5737 MEMs as two new arguments.
5738 (get_addr): New static function.
5739 (find_base_term): Handle VALUEs.
5740 (memrefs_conflict_p): Likewise.
5741 (true_dependence): Call get_addr on the addresses.
5742 Call fixed_scalar_and_varying_struct_p with addresses that have been
5743 passed through get_addr and canon_rtx.
5744 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5745 with true_dependence.
5746 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5747 * loop.c: Include "cselib.h".
5748 (load_mems): Process extended basic block that enters the loop with
5749 cselib. Use that information to change initialization of the shadow
5750 register so that a constant equivalence is seen by later passes.
5751 * reload1.c: Include "cselib.h".
5752 (reload_cse_invalidate_regno): Delete function.
5753 (reload_cse_mem_conflict_p): Likewise.
5754 (reload_cse_invalidate_mem): Likewise.
5755 (reload_cse_invalidate_rtx): Likewise.
5756 (reload_cse_regno_equal_p): Likewise.
5757 (reload_cse_check_clobber): Likewise.
5758 (reload_cse_record_set): Likewise.
5759 (reg_values): Delete static variable.
5760 (invalidate_regno_rtx): Likewise.
5761 (reload_cse_delete_noop_set): New static function.
5762 (reload_cse_simplify): New static function, broken out of
5764 (reload_cse_noop_set_p): Delete unused argument INSN.
5765 Just call rtx_equal_for_cselib_p on set source and destination.
5766 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5767 reload_cse_delete_noop_set. Delete code to keep track of values; use
5768 cselib functions instead. Delete code to push/pop obstacks.
5769 (reload_cse_simplify_set): Use cselib to find equivalent values.
5770 Delete code to push/pop obstacks.
5771 (reload_cse_simplify_operands): Likewise.
5772 * rtl.def (VALUE): New rtx code.
5773 * rtl.h (union rtunion_def): New elt rt_cselib.
5774 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5775 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5776 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5777 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5778 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5779 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5780 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5781 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5782 cselib_record_set, cselib_record_sets): New static functions.
5783 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5784 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5785 references_value_p): New functions.
5786 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5787 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5788 n_useless_values, reg_values, callmem, cselib_obstack,
5789 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5790 New static variables.
5791 * varray.h (union varray_data_tag): New elt te.
5792 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5793 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5796 2000-03-14 Nick Clifton <nickc@cygnus.com>
5798 * gcc.c (do_spec_1): Catch the case where %* is used in a
5799 substitution pattern, but it has not been initialised.
5800 Issue a meaningful error message if an unrecognised operator
5801 is encountered in a spec string.
5803 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5805 * function.c (prepare_function_start): Correctly initialize
5806 cfun->stack_alignment_needed.
5808 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5810 * cppfiles.c (find_include_file): Don't assume nshort is a
5813 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5815 * configure.in (hppa configurations): Add pa32-regs.h to the
5816 list of tm files as appropriate.
5817 * configure: Rebuilt.
5818 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5820 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5821 (fmpyaddoperands, fmpysuboperands): Likewise.
5822 * pa.h: Remove various definitions which depend on knowing
5823 how registers are numbered.
5824 * pa32-regs.h: New file with PA32 register numbering specific
5827 2000-03-14 Richard Henderson <rth@cygnus.com>
5829 * regmove.c (combine_stack_adjustments): New.
5830 (stack_memref_p, single_set_for_csa): New.
5831 (free_csa_memlist, record_one_stack_memref): New.
5832 (try_apply_stack_adjustment): New.
5833 (combine_stack_adjustments_for_block): New.
5834 * rtl.h (combine_stack_adjustments): Declare.
5835 * toplev.c (rest_of_compilation): Call it.
5837 * i386.md: Revert 2000-01-16 change.
5839 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5841 * gccbug.in: Add web category, gcc specific classes.
5843 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5845 * stor-layout.c (finalize_record_size): Fix typo.
5847 2000-03-14 Stan Shebs <shebs@apple.com>
5849 * c-typeck.c (c_alignof): Error on incomplete types.
5850 * extend.texi (Alignment): Document this.
5852 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5854 * cppfiles.c: Include mkdeps.h.
5855 (find_include_file, read_include_file): Remove _cpp_ prefix
5856 from name, make static.
5857 (_cpp_execute_include): New function, broken out of
5860 * cpplib.c: Don't include mkdeps.h.
5861 (struct directive): Remove type field. Reorder entries. The
5862 function takes only one argument.
5863 (struct if_stack): Make type field an int.
5864 (directive_table): Rename to dtable. Generate it, the
5865 prototypes of the directive handlers, and the enum for the
5866 directive numbers, from a template macro.
5867 (do_ifndef, do_include_next, do_import): New functions.
5868 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5869 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5870 do_ident, do_assert, do_unassert, do_sccs): Take only one
5872 (do_sccs): Define always, but alter behavior based on
5874 (_cpp_handle_directive, consider_directive_while_skipping):
5875 Restructure for new directive table layout.
5877 (pass_thru_directive): Take a directive number, not a pointer
5878 to a struct directive.
5879 (parse_include): New function, broken out of do_include.
5880 (do_include, do_import, do_include_next): Use parse_include
5881 and _cpp_execute_include.
5882 (do_elif, do_else): Test for T_ELSE specifically when checking
5883 for #elif/#else after #else.
5884 (parse_ifdef): New function, broken out of do_ifdef.
5885 (validate_else): Expect a name arg without a leading #.
5886 (if_directive_name): Delete.
5887 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5888 directive handlers with only one argument.
5890 * cpphash.h: Update prototypes.
5891 (enum node_type): Remove entries for directives.
5892 * Makefile.in: Update dependencies.
5894 * cpphash.c (dump_hash_helper): Only dump nodes of type
5895 T_MACRO. Emit a newline after each definition.
5897 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5899 * gccbug.in: New file.
5900 * configure.in (all_outputs): Add gccbug.
5901 * Makefile.in (install-common): Install gccbug.
5902 (GCCBUG_INSTALL_NAME): New variable.
5903 * configure: Rebuilt.
5905 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5907 * function.c (put_var_into_stack): Use type_for_mode to calculate
5908 part_type. Use MEM_SET_IN_STRUCT_P.
5909 * expr.c (store_field): Handle CONCAT.
5910 (store_constructor): Use fields_length.
5911 * tree.c (fields_length): New fn.
5912 * tree.h: Declare it.
5914 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5916 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5917 (cpplex.o): New target.
5918 * po/POTFILES.in: Add cpplex.c.
5920 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5921 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5922 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5923 skip_block_comment, skip_line_comment, skip_comment,
5924 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5925 _cpp_parse_name, skip_string, parse_string,
5926 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5927 _cpp_get_directive_token, find_position,
5928 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5929 (maybe_macroexpand, _cpp_lex_token): New functions.
5931 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5932 parse_goto_mark): Delete.
5933 (_cpp_handle_eof): New function.
5934 (_cpp_handle_directive): Rename from handle_directive.
5935 (_cpp_output_line_command): Rename from output_line_command.
5936 (do_if, do_elif): Call _cpp_parse_expr directly.
5937 * cppfiles.c (_cpp_read_include_file): Don't call
5938 init_input_buffer here.
5939 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5940 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5941 here; pop the token_buffer and skip the rest of the line here.
5942 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5945 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5947 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5948 CPP_GOTO_MARK): New macros.
5949 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5950 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5951 _cpp_read_and_prescan, _cpp_init_input_buffer,
5952 _cpp_grow_token_buffer, _cpp_get_directive_token,
5953 _cpp_handle_directive, _cpp_handle_eof,
5954 _cpp_output_line_command): Prototype them here.
5955 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5956 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5957 quote_string, output_line_command): Remove.
5959 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5961 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5962 whether it is too large we must also verify that it isn't negative.
5964 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5966 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5967 (movsi_zero_liveg0): Remove.
5968 (movsf_insn_novis_liveg0): Remove.
5970 (negsi2_not_liveg0): Rename to negsi2.
5971 (one_cmplsi2): Remove.
5972 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5973 (one_cmplsi2_liveg0): Remove.
5974 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5975 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5976 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5977 (PREDICATE_CODES): Remove zero_operand.
5978 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5979 TARGET_BROKEN_SAVERESTORE.
5980 (zero_operand): Remove.
5981 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5982 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5984 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5985 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5986 TARGET_BROKEN_SAVERESTORE): Remove.
5987 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5989 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5991 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5994 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5996 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5998 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5999 truncating a string. Don't assume tokens are nul terminated.
6000 Problem noted by Andreas Jaeger <aj@suse.de>
6002 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6004 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6005 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6006 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6008 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6010 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6011 STRUCTURE_SIZE_BOUNDARY.
6013 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6015 * tree.h (record_layout_info_s): New structure.
6016 (record_layout_info): New type.
6017 (new_record_layout_info): New function.
6018 (layout_field): Likewise.
6019 (finish_record_layout): Likewise.
6020 * stor-layout.c (layout_record): Remove.
6021 (new_record_layout_info): New function.
6022 (layout_field): New function, broken out from layout_record.
6023 (finalize_record_size): Likewise.
6024 (compute_record_mode): Likewise.
6025 (finalize_type_size): New function, broken out from layout_type.
6026 (finish_record_layout): Likewise.
6027 (layout_type): Use them.
6029 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6031 * cpphash.c: Don't include version.h.
6032 (special_symbol) [case T_VERSION]: Look for the string in
6033 hp->value.cpval; don't use version_string.
6034 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6035 __VERSION__ to version_string.
6036 * Makefile.in (cpphash.o): Update deps.
6038 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6040 Convert cpplib to use libiberty/hashtab.c.
6042 * cpplib.h (struct cpp_reader): Make hashtab and
6043 all_include_files of type 'struct htab *'. Delete HASHSIZE
6044 and ALL_INCLUDE_HASHSIZE macros.
6046 * cpphash.h: Update prototypes.
6047 (struct hashnode): Remove next, prev, and bucket_hdr members.
6048 Make length a size_t. Add hash member.
6049 (struct ihash): Remove next member. Add hash member. Make
6050 name a flexible array member.
6052 * cppfiles.c: Include hashtab.h.
6053 (include_hash): Delete.
6054 (IHASHSIZE): New macro.
6055 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6056 (cpp_included): Do the hash lookup here.
6057 (_cpp_find_include_file): Rewrite.
6058 (cpp_read_file): Put the "fake" hash entry into the hash
6059 table. Honor the control_macro, if it turns out we've seen
6060 the file before. Don't push the buffer here.
6061 (_cpp_read_include_file): Push the buffer here.
6062 (OMODES): New macro. Use it whenever we call open(2).
6064 * cpphash.c: Include hashtab.h.
6065 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6066 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6067 _cpp_lookup_slot): New functions.
6068 (HASHSIZE): new macro.
6069 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6070 (_cpp_lookup): Use hashtab.h routines.
6072 * cppinit.c: Include hashtab.h.
6073 (cpp_reader_init): Call _cpp_init_macro_hash and
6074 _cpp_init_include_hash. Don't allocate hashtab directly.
6075 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6076 pfile->all_include_files.
6077 (initialize_builtins): Use _cpp_make_hashnode and
6078 htab_find_slot to add hash entries.
6079 (cpp_finish): Just call _cpp_dump_macro_hash.
6080 * cpplib.c: Include hashtab.h.
6081 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6082 create hash entries.
6083 (do_pragma_poison, do_assert): Likewise.
6084 (do_include): Don't push the buffer here. Don't increment
6085 system_include_depth unless _cpp_read_include_file succeeds.
6086 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6088 (do_pragma_implementation): Use alloca to create copy.
6090 * Makefile.in: Update dependencies.
6092 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6094 * cppinit.c (cl_directive_handler): More K&R fixing.
6096 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6098 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6100 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6102 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6104 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6105 Change from char[] to macros.
6107 2000-03-12 Neil Booth <NeilB@earthling.net>
6109 * cppinit.c (cpp_start_read): Update indirect function
6112 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6114 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6117 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6118 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6120 2000-03-11 Neil Booth <NeilB@earthling.net>
6122 * cppinit.c (struct pending option): Replace undef with a
6123 pointer to a directive handling routine.
6124 (struct cpp_pending): Replace separate assert_ and define_
6125 lists with one directive_ list.
6126 (new_pending_define): Rename new_pending_directive. Extra
6127 argument is the directive's handling routine.
6128 (handle_option): Update to use new_pending_directive.
6130 2000-03-11 Neil Booth <NeilB@earthling.net>
6132 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6133 remap_filename, _cpp_read_include_file, actual_directory,
6134 hack_vms_include_specification): Replace bcopy(), index() etc
6135 calls. Add casts to some allocations. Make some variables
6136 pointers to const [unsigned] char.
6137 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6138 collect_formal_parameters): Similarly.
6139 * cppinit.c (struct pending_option, append_include_chain,
6140 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6141 cpp_start_read, new_pending_define, handle_option): Similarly.
6142 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6143 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6144 do_pragma_implementation, detect_if_not_defined,
6145 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6146 do_assert, do_unassert): Similarly.
6147 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6148 function prototypes.
6149 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6151 2000-03-10 Richard Henderson <rth@cygnus.com>
6153 * builtins.c (expand_builtin_strlen): Revert last change.
6154 Use emit_insn_before if we're at the beginning of a sequence.
6156 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6158 * builtins.c (expand_builtin_strlen): Make sure that we have something
6159 at the beginning of the sequence.
6161 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6164 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6166 2000-03-10 Richard Henderson <rth@cygnus.com>
6168 * except.c (can_throw): Use INTVAL on a CONST_INT.
6169 (reachable_handlers): Likewise.
6170 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6172 2000-03-10 Andreas Jaeger <aj@suse.de>
6174 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6175 MD_STARTFILE_PREFIX since those are not needed on linux.
6176 (ASM_FILE_START): New, from mips/gnu.h.
6178 2000-03-09 Richard Henderson <rth@cygnus.com>
6179 Alex Samuel <samuel@codesourcery.com> and others
6181 * Makefile.in (ssa.o): New rule.
6183 (STAGESTUFF): Add *.ssa and *.ussa.
6184 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6185 * rtl.def (PHI): New RTL expression.
6186 * rtl.h (clear_log_links): New declaration.
6187 (convert_to_ssa): Likewise.
6188 (convert_from_ssa): Likewise.
6189 * flow.c (split_edge): If the entry node falls through to the
6190 split edge's source block, split the entry edge.
6191 (clear_log_links): New function.
6192 * toplev.c (ssa_dump): New variable.
6193 (flag_ssa): Likewise.
6194 (f_options): Add "ssa".
6195 (compile_file): Create SSA dump files.
6196 (rest_of_compilation): Go to and from SSA if enabled.
6197 (decide_d_option): Handle -de for SSA dump files.
6200 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6202 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6205 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6207 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6209 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6211 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6212 (MD_STARTFILE_PREFIX_1): New macro.
6214 2000-03-09 Robert Lipe <robertl@sco.com>
6216 * config/ia64/ia64.c: Include system.h.
6218 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6220 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6221 (init_eh_nesting_info): Likewise.
6223 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6224 (TREE_NOTHROW): Rename from TREE_RAISES.
6225 * toplev.c (rest_of_compilation): Set it.
6226 * print-tree.c (print_node): Adjust.
6227 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6228 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6229 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6230 REG_EH_REGION note as appropriate.
6231 (libfunc_nothrow): New fn.
6232 (emit_library_call, emit_library_call_value): Use it.
6233 (expand_call): Check TREE_NOTHROW.
6235 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6236 DECL_ASSEMBLER_NAME.
6238 2000-03-09 Andreas Jaeger <aj@suse.de>
6240 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6241 (TARGET_MEM_FUNCTIONS): Define.
6243 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6245 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6247 * except.c (can_throw): See through a SEQUENCE.
6248 (nothrow_function_p): New fn.
6249 * except.h: Declare it.
6250 * function.c (current_function_nothrow): New var.
6251 (prepare_function_start): Initialize it.
6252 * output.h: Declare it.
6253 * toplev.c (rest_of_compilation): Set it.
6254 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6256 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6258 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6259 match. (cpp_compare_defs): Count the nul separator when
6260 advancing over argument names.
6262 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6264 * recog.c (preprocess_constraints): Matching constraints affect
6265 same alternative/different operand, not same operand/different
6268 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6269 register and a constant specially.
6271 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6273 * libgcc2.h: New file.
6274 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6276 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6278 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6279 * configure: Regenerate.
6282 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6284 * Makefile.in (LIBCPP_DEPS): New macro.
6285 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6287 * cpperror.c: Include cpphash.h.
6288 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6290 (lex): Don't use CPP_WARN_UNDEF.
6291 (_cpp_parse_expr): Return an int, the truth value.
6292 * cppfiles.c: Include cpphash.h.
6293 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6294 * cppinit.c (include_defaults_array): Disentangle.
6295 (cpp_cleanup): Don't free the if stack here.
6296 (cpp_finish): Pop off all buffers, not just one.
6297 * cpplib.c (eval_if_expr): Return int.
6298 (do_xifdef): Rename do_ifdef.
6299 (handle_directive): Don't use CPP_PREPROCESSED.
6300 (cpp_get_token): Don't use CPP_C89.
6301 * fix-header.c: Don't use CPP_OPTIONS.
6303 * cpplib.h: Move U_CHAR, enum node_type, struct
6304 file_name_list, struct ihash, is_idchar, is_idstart,
6305 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6306 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6307 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6308 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6309 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6310 of _cpp_simplify_pathname, _cpp_find_include_file,
6311 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6312 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6314 Change all uses of U_CHAR to be unsigned char instead.
6315 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6317 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6319 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6320 (dwarf2out_begin_prologue): Set it.
6321 (output_call_frame_info): Don't emit EH unwind info for leaves.
6323 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6324 can occur outside of an EH region.
6325 * except.c: Correct comments about rethrow behavior.
6326 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6328 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6330 * flow.c (make_edges): Always call make_eh_edge for calls.
6332 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6334 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6335 (struct cpp_buffer): Remove fname and underflow fields.
6336 (struct cpp_reader): Remove get_token field.
6337 (struct include_hash): Rename to struct ihash. Add typedef to
6339 (struct if_stack): Remove fname field.
6340 (IF_STACK_FRAME): Rename to IF_STACK.
6342 * cpperror.c (print_containing_files): Trust that there are no
6343 macro buffers below the top file buffer.
6344 * cppfiles.c: Replace all references to 'struct include_hash'
6345 with 'IHASH'. Rename initialize_input_buffer to
6346 init_input_buffer. Don't set or reference cpp_buffer->fname,
6347 use buffer->ihash->name instead.
6348 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6349 not CPP_NULL_BUFFER.
6350 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6351 IF_STACK_FRAME, IHASH not struct include_hash.
6352 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6353 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6354 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6355 references to cpp_buffer->fname (delete entirely, or use
6356 ->ihash->name instead) and IF_STACK->fname.
6357 (cpp_push_buffer): Don't set new->underflow.
6358 (do_include): Use cpp_file_buffer.
6360 * cpphash.c (collect_formal_parameters): Remove duplicate
6361 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6362 used as a macro argument name. Don't append "..." to namebuf
6363 for varargs macros. After we're done scanning, go through
6364 namebuf and make it NUL separated, not comma separated.
6365 (_cpp_compare_defs): Remove register tag from variables.
6366 Expect defn->argnames to be NUL separated.
6367 (_cpp_dump_definition): Expect defn->argnames to be NUL
6368 separated and in forward order.
6369 * cpphash.h: Update documentation of argnames field.
6371 2000-03-08 Richard Henderson <rth@cygnus.com>
6373 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6374 to fail. Don't pre-expand the source operand.
6376 * i386.md (strlensi): Initialize eoschar and align before use.
6378 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6380 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6381 CONSTRUCTOR element.
6383 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6385 * mips.c (mips_expand_prologue): If the last
6386 named argument is the vararg marker "va_list", treat it as
6387 an unnamed argument.
6389 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6391 * dbxout.c (dbxout_parms): When correcting for promoted
6392 big-endian parameters, use the mode of the DECL_RTL rather
6393 than UNITS_PER_WORD.
6395 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6397 * c-common.h (make_fname_decl): Declare.
6398 * c-common.c (make_fname_decl): Define.
6399 (declare_hidden_char_array): Remove.
6400 (declare_function_name): Use make_fname_decl.
6401 * c-decl.c (c_make_fname_decl): New function.
6402 (init_decl_processing): Set make_fname_decl.
6404 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6406 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6408 2000-03-07 Philipp Thomas <pthomas@suse.de>
6410 * po/POTFILES.in: Remove cppalloc.c from file list.
6412 2000-03-07 Steve Chamberlain <sac@pobox.com>
6414 * pj.c (pj_expand_prologue): current_function->args_info is
6415 now current_function_args_info.
6417 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6418 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6419 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6421 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6423 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6424 output as hexadecimal rather than the default octal.
6426 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6428 * cpphash.c (special_symbol): Fix thinko in previous commit.
6430 2000-03-07 Neil Booth <NeilB@earthling.net>
6432 * cppexp.c (struct operation, left_shift, right_shift,
6433 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6434 "int"s to "unsigned int"s.
6435 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6437 * cpplib.h: Update for above.
6438 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6439 returned from allocations.
6441 * cppinit.c (opt_comp, parse_options): New functions.
6442 (handle_option): Use parse_option to parse a single command
6443 line option, that possibly takes an argument.
6444 (cpp_handle_options): Sort the array of command line options on
6445 first invocation (non-ASCII hosts only).
6446 (print_help): Update.
6448 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6450 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6451 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6453 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6455 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6457 * cpperror.c (cpp_print_containing_files,
6458 cpp_print_file_and_line, v_cpp_message): Rename to
6459 print_containing_files, print_file_and_line, and v_message.
6460 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6461 to _cpp_parse_expr, parse_escape, and lex.
6462 (parse_charconst): Remove broken multibyte support.
6463 * cppfiles.c (include_hash): Make static.
6464 (cpp_included): New function.
6465 (merge_include_chains, find_include_file, finclude,
6466 simplify_pathname): Rename to _cpp_merge_include_chains,
6467 _cpp_find_include_file, _cpp_read_include_file, and
6468 _cpp_simplify_pathname.
6469 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6470 cpp_install, create_definition, macroexpand, compare_defs,
6471 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6472 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6473 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6474 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6476 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6478 * cpphash.h: Update prototypes.
6479 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6481 2000-03-07 Andrew Haley <aph@cygnus.com>
6483 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6484 PTRDIFF_TYPE should be based solely on Pmode.
6487 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6489 * rtl.h (rtunion_def): Constify member `rtstr'.
6490 (emit_line_note_after, emit_line_note, emit_line_note_force,
6491 emit_note, decode_asm_operands): Constify.
6493 * cse.c (canon_hash): Likewise.
6495 * dbxout.c (dbxout_block): Likewise.
6497 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6498 v_warning_for_asm): Likewise.
6500 * dwarfout.c (function_start_label): Likewise.
6502 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6503 emit_line_note_force): Likewise.
6505 * final.c (last_filename, asm_insn_count, final_scan_insn,
6506 output_source_line): Likewise.
6508 * function.h (struct emit_status): Likewise.
6510 * gcse.c (hash_expr_1): Likewise.
6512 * genattr.c (gen_attr, main): Likewise.
6514 * genattrtab.c (struct function_unit, current_alternative_string,
6515 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6516 attr_numeral, check_attr_test, check_attr_value,
6517 convert_set_attr_alternative, convert_set_attr,
6518 compute_alternative_mask, simplify_by_exploding, gen_attr,
6519 gen_unit): Likewise.
6521 * genflags.c (gen_insn): Likewise.
6523 * gengenrtl.c (type_from_format): Likewise.
6525 * genopinit.c (gen_insn): Likewise.
6527 * genoutput.c (n_occurrences, process_template, process_template):
6530 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6533 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6536 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6537 ggc_set_mark, ggc_get_size): Likewise.
6539 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6541 * optabs.c (init_one_libfunc): Likewise.
6543 * output.h (assemble_start_function): Likewise.
6545 * recog.c (decode_asm_operands): Likewise.
6547 * toplev.c (rest_of_compilation): Likewise.
6549 * tree.h (emit_line_note_after, emit_line_note,
6550 emit_line_note_force): Likewise.
6552 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6553 asm_emit_uninitialised, assemble_start_function,
6554 assemble_variable, const_hash, compare_constant_1,
6555 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6557 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6559 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6561 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6563 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6565 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6566 arm_dllimport_name_p): Likewise.
6568 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6571 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6573 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6575 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6576 arm_mark_dllexport, arm_mark_dllimport,
6577 arm_pe_encode_section_info): Likewise.
6579 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6580 ASM_FINISH_DECLARE_OBJECT): Likewise.
6582 * arm/thumb.c (thumb_function_prologue): Likewise.
6584 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6586 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6588 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6590 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6592 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6594 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6596 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6597 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6599 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6601 * i386/i386.c (asm_output_function_prefix): Likewise.
6603 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6605 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6607 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6609 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6610 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6611 ASM_OUTPUT_SECTION_NAME): Likewise.
6613 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6615 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6617 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6619 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6621 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6623 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6625 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6627 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6629 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6631 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6633 * mips/mips.md (movdi, movsi): Likewise.
6635 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6637 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6639 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6641 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6642 ASM_OUTPUT_ASCII): Likewise.
6644 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6645 output_mi_thunk, output_toc): Likewise.
6647 * rs6000/rs6000.md (movsi): Likewise.
6649 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6651 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6653 * v850/v850.c (print_operand, print_operand_address,
6654 v850_encode_data_area): Likewise.
6656 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6658 * config/mips/mips.md (zero_extendsidi2): Always force operand
6659 one to memory for mips16.
6661 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6663 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6664 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6665 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6666 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6667 (min_precision): Result is unsigned.
6668 (add_double, neg_double, mul_double): Low word is unsigned.
6669 (lshift_double, rshift_double, lrotate_double): Likewise.
6670 (rrotate_double, div_and_round_double): Likewise.
6671 (tree_floor_log2, compare_tree_int): New functions.
6672 (preserve_rtl_expr_temps): New declaration.
6673 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6674 (decl_attributes): Use tree_log2 to find alignment.
6675 Check for TREE_INT_CST_HIGH for format args.
6676 (min_precision): Now unsigned.
6677 Use tree_floor_log2.
6678 (truthvalue_conversion): Delete long-disabled code.
6679 * c-decl.c (finish_struct): Clean up tests on field width.
6680 (finish_function): Use compare_tree_int.
6681 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6682 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6683 (default_conversion, digest_init): Use compare_tree_int.
6684 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6685 Fix type errors in forming masks.
6686 * calls.c (initialize_argument_information): Use compare_tree_int.
6687 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6688 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6689 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6690 (store_field): Use compare_tree_int.
6691 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6692 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6693 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6694 (do_store_flag): Use compare_tree_int.
6695 * fold-const.c (encode, decode): Low part is always unsigned.
6696 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6697 (lshift_double, rshift_double, lrotate_double): Likewise.
6698 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6699 (fold_convert): Use compare_tree_int.
6700 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6701 (invert_truthvalue, case INTEGER_CST): Likewise.
6702 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6703 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6704 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6705 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6707 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6708 (expand_end_case): Use compare_tree_int.
6709 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6710 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6711 (layout_decl): Likewise.
6712 (layout_record, layout_union): Make sizes unsigned.
6713 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6714 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6715 * tree.c (struct type_hash): hashcode is unsigned.
6716 (build_type_attribute_variant, type_hash_list): Likewise.
6717 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6718 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6719 (build_complex_type): Likewise.
6720 (real_value_from_int_cst): Remove unneeded casts.
6721 (integer_all_onesp): Add casts.
6722 (tree_floor_log2, compare_tree_int): New functions.
6723 (build_index_type): Use tree_int_cst_sgn.
6724 * varasm.c (assemble_variable): Use compare_tree_int.
6726 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6728 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6730 * varasm.c (make_decl_rtl): Don't add a number to members of
6732 (make_function_rtl): Likewise.
6734 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6736 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6737 patch from 2000-01-28.
6739 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6741 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6742 filled with an insn from the jump target.
6744 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6746 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6747 (c4x_external_ref): Likewise.
6748 * config/c4x/c4x.c (struct name_list): Likewise.
6750 1999-12-16 Ben Collins <bcollins@debian.org>
6752 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6753 argument to genmultilib.
6754 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6755 the contents into the multilib.h header.
6756 * gcc.c: Declare multilib_exclusions for the specs file.
6757 (set_multilib_dir): Use it.
6758 (print_multilib_info): Likewise.
6759 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6760 to pass to genmultilib.
6762 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6764 * builtins.c (built_in_class_names, built_in_names): Constify a
6767 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6769 (_mcleanup): Ensure value matches format specifier in sprintf.
6771 * cpphash.c (special_symbol): Don't needlessly cast away
6774 * cppinit.c (base_name): Delete unused prototype.
6776 * mkdeps.c (deps_init): Make definition K&R safe.
6778 * tree.h (built_in_class_names, built_in_names): Constify a
6781 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6783 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6784 floating point instructions for epilogue delay.
6786 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6787 to gas if it supports .register pseudo.
6789 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6790 LONG_DOUBLE_TYPE_SIZE if not defined.
6791 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6792 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6794 * gengenrtl.c: Likewise.
6795 * print-rtl.c: Likewise.
6797 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6798 MASK_LONG_DOUBLE_128.
6799 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6800 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6801 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6802 (SUBTARGET_SWITCHES): Define.
6803 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6804 with -mlong-double-128.
6805 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6806 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6807 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6808 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6809 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6810 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6811 with -mlong-double-128.
6812 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6813 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6814 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6815 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6816 TARGET_LONG_DOUBLE_128): Define.
6817 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6818 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6819 long double on TARGET_ARCH64.
6821 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6823 * function.c (free_temps_for_rtl_expr): Don't free slots
6824 that have been pushed into a higher level.
6827 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6829 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6831 * basic-block.h (ALLOCA_REG_SET): Remove.
6832 (INITIALIZE_REG_SET): New macro.
6833 * flow.c (update_life_info): Use it.
6834 (calculate_global_regs_live): Likewise.
6835 (propagate_block): Likewise.
6836 * global.c (build_insn_chain): Likewise.
6837 * haifa-sched.c (schedule_region): Likewise.
6839 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6841 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6842 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6843 (DWARF_ARANGES_PAD_SIZE): New define.
6844 (output_aranges): Use it to pad the address range header.
6845 (DWARF_ROUND): Fix for non power of 2 rounding.
6847 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6849 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6851 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6853 * tree.def (RTL_EXPR): Update documentation.
6854 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6855 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6856 * function.c (preserve_rtl_expr_temp): New function.
6857 (preserve_rtl_expr_temps): Likewise.
6858 (preserve_rtl_expr_result): Use it.
6861 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6863 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6865 * regmove.c (copy_src_to_dest) Do not create src->dest move
6866 for unchanging destination.
6868 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6870 * function.h (struct sequence_stack): Remove rtl_expr.
6871 (struct emit_staus): Likewise.
6872 (seq_rtl_expr): Remove.
6873 * tree.h (free_temps_for_rtl_expr): Don't declare.
6874 (start_sequence_for_rtl_expr): Likewise.
6875 * rtl.h (preserve_rtl_expr_result): Likewise.
6876 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6877 (start_sequence_for_rtl_expr): Remove.
6878 (push_topmost_sequence): Don't save sequence_rtl_expr.
6879 (pop_topmost_sequence): Remove comment about not restoring it.
6880 (end_sequence): Don't set seq_rtl_expr.
6881 (init_emit): Don't initialize it.
6882 (mark_sequence_stack): Don't mark it.
6883 (mark_emit_status): Likewise.
6884 * except.c (protect_with_terminate): Use
6885 start_sequence_for_rtl_expr, not start_sequence.
6886 * expr.c (expand_expr, case RTL_EXPR): Don't call
6887 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6888 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6889 (preserve_rtl_expr_result): Remove.
6890 (free_temps_for_rtl_expr): Likewise.
6891 (pop_temp_slots): Likewise.
6892 (mark_temp_slot): Don't mark the rtl_expr.
6893 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6894 start_sequence_for_rtl_expr.
6896 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6898 * mkdeps.c, mkdeps.h: New files.
6899 * po/POTFILES.in: Add them.
6900 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6901 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6902 (mkdeps.o): New target.
6904 * cppfiles.c: Delete deps_output.
6905 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6906 OBJECT_SUFFIX, and base_name.
6907 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6909 (initialize_dependency_output): Use deps_init,
6910 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6911 all the unnecessary string bashing.
6912 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6914 * cpplib.c (do_include): Use deps_add_dep.
6915 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6916 deps_allocated_size, deps_size, deps_column members with
6917 single pointer to a struct deps. Delete prototype of
6920 * cppinit.c: Fix thinko in previous patch.
6922 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6924 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6925 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6926 (mode_for_size_tree): New function.
6927 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6928 * tree.h (mode_for_size_tree): New declaration.
6930 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6932 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6934 * stmt.c (is_body_block): Move...
6935 * dwarfout.c, dwarf2out.c: ...from here.
6936 * tree.h: Declare it.
6937 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6938 * final.c (final_start_function): Do call remove_unnecessary_notes
6941 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6943 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6945 * cpplib.h (_dollar_ok): New macro.
6946 (is_idchar, is_idstart): Use it.
6947 (IStable): Rename to _cpp_IStable. Declare it const if
6948 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6949 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6950 is_space): Update for renamed IStable.
6952 * cppinit.c: Delete all references to FAKE_CONST and CAT
6953 macros. Define init_IStable as empty macro if gcc >=2.7 or
6954 C99. Change TABLE() to ISTABLE and hardcode name of table.
6955 (cpp_start_read): Don't change the IStable based on
6958 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6959 changed. Handle '$' for char1 correctly.
6960 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6962 * cppexp.c (tokentab2): Make const.
6963 (cpp_lex): Make toktab const.
6964 * cppinit.c (include_defaults_array): Make const.
6965 (initialize_standard_includes): Make default_include const.
6967 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6969 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6970 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6971 (gen_decl_die): Likewise.
6972 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6973 (output_decl): Likewise.
6975 * varasm.c (make_function_rtl): If we change the name used in the
6976 rtl, update DECL_ASSEMBLER_NAME accordingly.
6977 (make_decl_rtl): Likewise.
6979 * toplev.c (rest_of_compilation): Tweak formatting.
6981 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6982 remove_unnecessary_notes.
6983 (debug_ignore_block): New fn.
6984 * toplev.h: Declare it.
6985 * emit-rtl.c (remove_unncessary_notes): Call it.
6986 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6987 * dwarf2out.h: Declare it.
6988 * final.c (final_start_function): Don't call remove_unnecessary_notes
6989 if we did insn scheduling.
6991 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6993 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6994 * cpplib.h: Delete SET_CPP_PEDANTIC.
6996 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6998 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6999 result is a RECORD_TYPE.
7001 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7003 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7005 2000-03-03 Richard Henderson <rth@cygnus.com>
7007 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7008 addition over compliments over shifts.
7010 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7012 * reload1.c (reload_combine_note_use): Handle return register USEs.
7013 REG case: Handle multi-hard-register hard regs.
7015 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7017 * md.texi: Document use of '*' in insn pattern name.
7019 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7021 * calls.c (special_function_p): operator new may not be malloc-like.
7023 * gcse.c (dump_hash_table): Really fix error in last change.
7025 2000-03-02 Denis Chertykov <denisc@overta.ru>
7027 * avr.c (print_operand): Use print_operand_address instead of
7029 * avr/libgcc.S: Cleanup code.
7031 2000-03-02 Richard Henderson <rth@cygnus.com>
7033 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7035 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7037 * tree.h (TYPE_ALIGN_UNIT): New macro.
7039 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7041 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7043 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7045 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7047 (SET_CPP_PEDANTIC): New macro.
7048 * cpplib.c (do_include): Don't bother checking system_header_p.
7049 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7050 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7052 * function.h (struct expr_status): Add x_arg_space_so_far.
7053 (arg_space_so_far): New macro.
7054 * expr.c (init_expr): Initialize it.
7055 * calls.c (emit_call_1): Reset it.
7056 (compute_argument_block_size, expand_call): Use it.
7057 (expand_call, store_one_arg): Increment it.
7059 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7061 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7064 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7066 * cppfiles.c (cpp_read_file): New function.
7068 * cpphash.c (collect_expansion): Make sure to reset last_token
7069 to NORM when we hit a string. Handle trailing whitespace
7070 properly when the expansion is empty.
7071 (create_definition): Disable line commands while parsing the
7073 (dump_definition): If pfile->lineno == 0, output a line
7074 command ahead of the dump, and add a trailing newline.
7076 * cppinit.c (append_include_chain): Add fifth argument, which
7077 indicates whether or not system headers are C++ aware.
7078 (initialize_standard_includes): New function,
7079 broken out of read_and_prescan. Pass 'cxx_aware' value from
7080 the include_defaults_array on to append_include_chain.
7081 (dump_special_to_buffer): Const-ify char array.
7082 (builtin_array): Don't dump __BASE_FILE__.
7083 (cpp_start_read): Use cpp_read_file. Reorder code for
7084 clarity. Don't output line commands here for -D/-A/-U
7085 switches. Don't call deps_output for files included with
7086 -include or -imacros.
7088 * cpplib.c (do_define): Don't pay any attention to the second
7090 (cpp_expand_to_buffer): Disable line commands while scanning.
7091 (output_line_command): Work in the file buffer.
7092 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7093 Fix formatting of comments. Prototype cpp_read_file.
7095 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7097 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7098 reference the language-equivalent of sizetype.
7099 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7100 * fold-const.c (size_binop, size_diffop): Put back checks.
7101 * gcse.c (dump_hash_table): Fix minor error in last change.
7102 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7103 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7106 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7108 * calls.c (expand_call) Do not attempt to combine stack adjustments
7109 with inhibit_defer_pop set.
7111 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7113 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7114 the DECL_SIZE for a FIELD_DECL.
7116 2000-03-01 Bruce Korb <bkorb@gnu.org>
7118 * fixinc/inclhack.tpl: remove unused symlinks
7119 * fixinc/README: GCC Maintainer info
7120 * fixinc/inclhack.sh: regen
7121 * fixinc/fixincl.sh: regen
7123 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7125 * cpphash.c (collect_expansion): Trim trailing white space
7126 from macro definitions, but don't go past the last insertion
7129 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7131 * i386.md (mulqi3): New pattern.
7133 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7135 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7137 (struct cpp_reader): Add parsing_if_directive and
7138 parsing_define_directive flags.
7139 (struct cpp_options): Remove output_conditionals flag.
7140 (check_macro_name): Delete prototype.
7142 * cpphash.h (struct macrodef): Delete.
7143 (struct reflist): Separate from struct definition.
7144 (struct definition): Remove unused fields. Add column number.
7145 (create_definition): Returns a DEFINITION *. Takes a
7146 cpp_reader * and an int.
7148 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7149 (PEEKC): Copy defn from cpplib.c.
7150 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7152 (struct arglist): Simplify.
7153 (collect_expansion): Rewrite. Get tokens by calling
7154 cpp_get_token. Add more error checking.
7155 (collect_formal_parameters): New function, broken out of
7156 create_definition and reworked to use get_directive_token.
7157 (create_definition): All real work is now in collect_expansion
7158 and collect_formal_parameters. do_define handles finding the
7159 macro name. Return a DEFINITION, not a MACRODEF.
7160 (macroexpand): Replace bcopy with memcpy throughout. Replace
7161 character-at-a-time copy loop with memcpy and pointer increments.
7162 (compare-defs): d1->argnames / d2->argnames might be null.
7164 * cpplib.c (copy_rest_of_line): Delete function.
7165 (skip_rest_of_line): Do all the work ourselves.
7166 (skip_string): New function.
7167 (parse_string): Use skip_string.
7168 (get_macro_name): New function.
7169 (check_macro_name): Delete.
7170 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7171 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7172 (handle_directive): ICE if we're called on a macro buffer.
7173 (do_define): Determine macro name and type (funlike/objlike)
7174 here. Expunge all uses of MACRODEF.
7175 (cpp_push_buffer): Set line_base to NULL.
7176 (do_undef, read_line_number): Don't worry about getting a POP token.
7177 (eval_if_expression): Set/reset parsing_if_directive around
7178 cpp_parse_expr. Don't clear only_seen_white.
7179 (skip_if_group): Remove output_conditionals logic. Use
7181 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7182 tokens under appropriate conditions.
7183 (cpp_unassert): Call do_unassert not do_assert. Oops.
7185 * cppexp.c (parse_defined): New function, break out of
7187 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7188 ourselves, with cpp_defined.
7189 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7191 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7192 * gcc.dg/strpaste-2.c: New.
7194 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7196 * fold-const.c (size_binop): Don't asert inputs are the same and
7197 have TYPE_IS_SIZETYPE set.
7198 (size_diffop): Likewise.
7200 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7202 * dwarfout.c (output_block): Output abstract blocks even if they
7203 don't have TREE_ASM_WRITTEN set.
7205 * calls.c (emit_library_call): Check for null REG.
7207 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7209 * c-decl.c (current_function_decl): Move to toplev.c.
7210 (init_decl_processing): Don't add current_function_decl as a ggc
7212 * dbxout.c (dbxout_symbol): Change return type to int.
7213 (dbxout_symbol_location, dbxout_syms): Likewise.
7214 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7215 any locals. Use current_function_func_begin_label if set.
7216 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7217 * dwarf2out.c (dwarf2out_begin_prologue): Set
7218 current_function_func_begin_label.
7219 * final.c (final_start_function): Reset it.
7220 * toplev.c (current_function_decl): Define it here.
7221 (current_function_func_begin_label): New variable.
7222 (main): Add both as ggc roots.
7223 * tree.h (current_function_func_begin_label): Declare.
7225 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7227 * gcse.c: Cleanups throughout: mostly white-space, but also
7228 some minor rearrangement of code.
7230 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7232 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7233 returns a PARALLEL. Use emit_group_load and use_group_regs
7235 (emit_library_call_value): Similarly.
7237 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7238 * pa/quadlib.asm: Remove.
7239 * pa/quadlib.c: New file.
7241 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7242 * configure: Rebuilt.
7244 2000-02-29 Philip Blundell <pb@futuretv.com>
7246 * config/arm/conix-elf.h: New file.
7247 * configure.in (arm*-*-conix*): New configuration.
7248 * configure: Regenerate.
7250 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7252 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7253 don't have TREE_ASM_WRITTEN set.
7255 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7257 * Eliminate DECL_FIELD_SIZE.
7258 * builtins.c (built_in_class_names, built_in_names): New variables.
7259 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7260 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7261 DECL_SIZE, not DECL_FIELD_SIZE.
7262 * print-tree.c (print_node): Remove code that prints extra blank
7263 lines in some cases.
7264 Properly handle inline and builtin function cases.
7265 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7266 * tree.h (built_in_class_named, built_in_names): New declarations.
7267 (union tree_decl): Rename internal unions to u1 and u2 and change
7268 some of their components.
7269 Add new field built_in_class.
7270 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7271 Reflect above changes.
7272 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7273 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7274 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7275 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7277 2000-02-28 Dmitri Makarov <dim@windriver.com>
7279 * extend.texi: Document ARM's support for long/short calls.
7281 * invoke.texi: Document ARM's -mlong-calls command line switch.
7283 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7284 (arm_encode_call_attribute): Add prototype.
7285 (arm_set_default_type_attribute): Add prototype.
7286 (arm_strip_name_encoding): Add prototype.
7288 * config/arm/arm.c (arm_init_cumulative_args): replace
7289 initialisation og 'long_calls' field with initialisation of
7290 'call_cookie' field.
7291 (enum arm_pragma_enum): New enum.
7292 (arm_pragma_long_calls): New static variable.
7293 (arm_process_pragma): Also process "#pragma long_calls_off".
7294 (arm_valid_type_attribute_p): Accept short_call attribute.
7295 (arm_comp_type_attributes): Check long/short call attributes.
7296 (arm_encode_call_attribute): New function: Encode long_call
7297 or short_call attribute in function name.
7298 (arm_set_default_type_attributes): New function: Assign
7299 default attributes to newly defined type.
7300 (current_file_function_operand): New function: Return true if
7301 the symbol is a function which has already been compiled.
7302 (arm_is_longcall_p): New function: Return true if the
7303 indicated function should be called via a long call.
7304 (arm_get_strip_length): New function. Returns number of
7305 prefix characters to be stripped from a function's name.
7306 (arm_strip_name_encoding): New function. Strip prefix characters
7307 from a function's name.
7309 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7311 (SHORT_CALL_FAG_CHAR): Define.
7312 (LONG_CALL_FAG_CHAR): Define.
7313 (ENCODED_SHORT_CALL_ATTR_P): Define.
7314 (ENCODED_LONG_CALL_ATTR_P): Define.
7315 (ARM_NAME_ENCODING_LENGTHS): Define.
7316 (STRIP_NAME_ENCODING): Define.
7317 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7318 (ARM_ENCODE_CALL_TYPE): Define.
7319 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7320 (ARM_DECLARE_FUNCTION_SIZE): Define.
7321 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7323 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7324 if a long call is needed.
7325 (call_value): Ditto.
7326 (call_symbol): Ditto.
7328 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7329 ARM_DECLARE_FUNCTION_SIZE.
7331 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7332 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7333 (ARM_STRIP_NAME_ENCODING): Undefine.
7334 (STRIP_NAME_ENCODING): Undefine.
7335 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7336 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7337 (ASM_OUTPUT_COMMON): Ditto.
7338 (ASM_DECLARE_OBJECT_NAME): Ditto.
7340 * config/arm/pe.c (arm_dllexport_name_p): Check for
7342 (arm_dllimport_name_p): Ditto.
7343 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7344 (arm_mark_dllimport): Ditto.
7346 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7348 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7350 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7352 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7354 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7356 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7357 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7358 NO_BUILTIN_WCHAR_TYPE is not defined.
7359 (CPP_WCHAR_TYPE): Delete.
7360 * cccp.c (main): Don't change wchar_type if cplusplus.
7361 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7363 2000-02-28 Nick Clifton <nickc@cygnus.com>
7365 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7367 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7369 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7370 (ASM_WEAKEN_LABEL): Define.
7372 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7374 * expr.c (store_constructor): Do not emit USE.
7375 * rtl.h (stupid_life_analysis): Remove.
7377 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7379 * function.c (number_blocks): Reset next_block_index based on
7380 what debugging format is used, not what is defined.
7382 * lcm.c: Minor reformatting throughout.
7383 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7385 * toplev.c (rest_of_compilation): Account for time in
7386 optimize_mode_switching.
7388 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7389 if only marking labels.
7391 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7393 * calls.c (expand_call): Attempt to combine stack adjustments with
7394 pending stack adjustments.
7396 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7398 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7399 to the end of the function.
7401 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7403 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7405 * final.c (next_block_index): Remove.
7406 (max_block_depth): Likewise.
7407 (pending_blocks): Likewise.
7408 (init_final): Don't initialize them.
7409 (final_start_function): Don't set next_block_index. Set up
7411 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7412 * function.h (number_blocks): New function.
7413 * function.c (get_block_vector): New function.
7414 (identify_blocks): Use it.
7415 (reorder_blocks): Set NOTE_BLOCK.
7416 (number_blocks): New function.
7417 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7418 * tree.h (BLOCK_NUMBER): New macro.
7419 (tree_block): Add block_num field.
7420 * dbxout.c (next_block_number): Remove.
7421 (dbxout_init): Don't set it.
7422 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7423 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7425 * toplev.c (rest_of_compilation): Always call
7426 find_loop_tree_blocks. Fix indentation.
7427 * dwarf2out.c (next_block_number): Remove.
7428 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7429 to determine block numbers.
7430 (gen_inlined_subroutine_die): Likewise.
7431 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7432 (decls_for_scope): Don't increment next_block_number.
7433 * dwarfout.c (next_block_number): Remove.
7434 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7435 to determine block numbers.
7436 (output_inlined_subroutine_die): Likewise.
7437 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7438 (output_decls_for_scope): Don't increment next_block_number.
7439 * sdbout.c (next_block_number): Remove.
7440 (sdbout_block): Use BLOCK_NUMBER.
7441 (sdbout_begin_block): Simplify.
7442 * xcoffout.c (next_block_number): Remove.
7443 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7444 (xcoffout_begin_block): Don't set next_block_number.
7445 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7448 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7450 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7451 (expand_builtin_strcpy): Pass correct type to size_binop.
7452 (expand_builtin_strcmp): Likewise.
7453 Clean up conditional structure.
7454 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7455 (complete_array_type): Don't use size_binop for MAXINDEX.
7456 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7457 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7458 (c_alignof): Use size_one_node.
7459 (build_unary_op): Pass arg of proper type to size_binop.
7460 (really_start_incremental_init, push_init_level): Use sizetype for
7461 constructor{,_bit,_unfilled}_index.
7462 (pop_init_label, output_init_element): Likewise.
7463 (output_pending_init_elements, process_init_element): Likewise.
7464 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7465 * expr.c (store_expr): Use size_int.
7466 (store_constructor): Use proper types for size_binop args.
7467 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7468 (expand_expr_unaligned): Likewise.
7469 (string_contant): Return object of sizetype.
7470 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7471 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7472 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7473 * fold-const.c (int_const_binop): Refine when size_int is called.
7474 (fold_convert): Likewise.
7475 (size_int_wide): Rework to take KIND as arg, only take low order
7476 bits, handle new sizetype_tab datatype, and chain entries in
7478 (size_int_type_wide): New function.
7479 (size_binop): Validate types of arguments.
7480 (ssize_binop): Deleted.
7481 (size_diffop): New function.
7482 (extract_muldiv): Only fold division into multiplication for sizetypes.
7483 * function.c (assign_parms): Use size_diffop and make sure
7484 VAR field is of ssizetype; also pass proper type to size_binop.
7485 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7486 (round_down): Deleted from here.
7487 * store-layout.c (sizetype_tab): Now an array.
7488 (sizetype_set, early_root_list): New variables.
7489 (variable_size): Use size_one_node.
7490 (round_up): Pass proper type to size_binop.
7491 (round_down): Moved to here and corrected as above.
7492 (layout_record): Pass proper arg types to size_binop.
7493 (layout_type): Likewise.
7494 If sizetype_set is zero, record the type just laid out.
7495 (make_unsigned_type): Don't call set_sizetype;
7496 (make_signed_type): Likewise; also, call fixup_signed_type.
7497 (initialize_sizetypes): New function.
7498 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7499 set name of bitsizetype to "bit_size_type".
7500 Fix up type of sizes of all types made before call.
7501 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7502 * tree.c (fix_sizetype): Deleted.
7503 (build_common_tree_nodes): Call initialize_sizetypes.
7504 (build_common_tree_nodes_2): Don't call fix_sizetype.
7505 * tree.h (TYPE_IS_SIZETYPE): New macro.
7506 (initialize_sizetype): New declaration.
7507 (enum size_type_kind): New type.
7508 (struct sizetype_tab): Deleted.
7509 (sizetype_tab): Now array; adjust sizetype macros.
7510 (size_diffop, size_int_type_wide): New functions.
7511 (size_int_wide): Change number of args and type; access macros changed.
7512 (ssize_int, sbitsize_int): New macros.
7513 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7514 (ROUND_TYPE_SIZE_UNIT): New macro.
7516 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7518 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7520 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7522 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7523 Mark as possibly unused.
7525 * cse.c (cse_insn): Delete dead code involving tablejump.
7526 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7528 * Makefile.in (libcpp.a): Start by deleting it.
7530 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7532 * cpplib.h (enum file_change_code): Added rename_file.
7533 * cpplib.c (do_line): If a filename is given, set file_change to
7535 (output_line_command): If file_change is rename_file, always
7536 output a # directive with the file name.
7538 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7540 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7542 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7543 when copying a PARM_DECL or RESULT_DECL.
7545 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7547 * fix-header.c (recognized_function): Also fix prototypes for
7548 functions taking "void".
7550 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7552 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7553 looking at reg_reloaded_contents.
7555 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7557 * Makefile.in (STMP_FIXINC): New toggle.
7558 (LIBGCC2_DEPS): Delete all references.
7559 (stmp-headers): Delete target. All references either deleted
7560 or changed to stmp-int-headers.
7561 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7562 (LIBCPP_OBJS): Take out cppalloc.o.
7563 (cppalloc.o): Delete target.
7564 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7565 (gen-protos, fix-header): Link with libiberty.a.
7566 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7569 * configure.in: Remove refs to strerror.
7570 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7571 * system.h: Take out strerror stanza.
7573 * cpperror.c (my_strerror): Delete function.
7574 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7575 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7576 * cppalloc.c: Delete file.
7577 * gen-protos.c: Don't provide xrealloc.
7579 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7580 xstrerror throughout.
7582 2000-02-26 Bruce Korb <bkorb@gnu.org>
7584 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7585 match for DOS headers, too.
7586 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7588 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7590 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7591 is right for most ELF targets.
7592 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7593 Let the default file use %U properly.
7594 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7597 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7600 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7602 * toplev.c (documented_lang_options): Correct spelling error.
7603 (decode_d_option, decode_f_option, main): Likewise.
7605 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7607 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7608 to tell assembler it is permitted to expand large constants.
7610 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7612 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7613 (aux_info_suffix): Use.
7614 (SAVE_SUFFIX): New macro.
7616 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7617 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7618 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7620 * invoke.texi (Running Protoize): Update documentation.
7622 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7624 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7626 2000-02-25 John Wehle (john@feith.com)
7628 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7630 2000-02-25 Anthony Green <green@cygnus.com>
7632 * toplev.c (rest_of_compilation): Rebuild jump labels if
7633 combine_instructions has created a new direct jump.
7634 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7636 (combine_instructions): Call try_combine with new argument.
7637 Return non-null value when new direct jump instruction is created.
7638 * rtl.h: combine_instructions returns an int.
7640 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7642 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7643 jump when changing a computed jump into a jump to a known
7646 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7648 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7649 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7651 * i386.md (define_expand "clrstrsi"): Fix typo.
7653 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7655 * rtl.texi: Fix typo.
7657 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7659 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7660 UNITS_PER_WORD. Change caller initial_elimination_offset.
7661 (rounded_frame_size): Take into account that argument pushed has
7662 changed. Fix TARGET_ALIGN_DOUBLE problem.
7664 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7666 * haifa-sched.c (schedule_block): Explain the real reason
7667 we delete REG_SAVE_NOTEs on the first insn of a block.
7668 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7670 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7672 * input.h (push_srcloc): New function.
7673 (pop_srcloc): Likewise.
7674 * toplev.c (push_srcloc): Define it.
7675 (pop_srcloc): Likewise.
7677 2000-02-24 Richard Henderson <rth@cygnus.com>
7679 * flow.c (life_analysis): When collecting reg info, clear
7682 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7684 Fix bug exposed by reload.c no longer rounding the frame
7685 size to BIGGEST_ALIGNMENT:
7686 * sh.c (rounded_frame_size): New function.
7687 (sh_expand_prologue, sh_expand_epilogue): Use it.
7688 (initial_elimination_offset): Likewise.
7690 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7692 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7693 * sh-protos.h (sh_need_epilogue): Declare.
7694 * sh.c (sh_need_epilogue_known): New static variable.
7695 (sh_need_epilogue): New function.
7696 (function_epilogue): Clear need_epilogue_known.
7697 * sh.md (return): Split into expander / insn pattern.
7698 Make the expander conditional on ! sh_need_epilogue ().
7700 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7702 * machmode.h (get_mode_alignment): Declare.
7703 (GET_MODE_ALIGNMENT): Call it.
7704 * stor-layout.c (get_mode_alignment): New function. Make
7705 sure alignment is always power of 2.
7707 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7709 * i386.h: Remove useless definition of "I386" and misleading
7712 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7714 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7715 under which TREE_PERMANENT will be set.
7716 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7717 build1): Use TREE_SET_PERMANENT.
7718 * print-tree.c (print_node): Don't report value of
7719 TREE_PERMANENT if ggc_p is true.
7721 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7722 decide whether to give a type a new alias set.
7723 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7724 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7725 of value of 'obstack'.
7728 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7730 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7732 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7734 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7735 * cpplib.c (cpp_get_token): Produce them.
7736 * cppexp.c (cpp_lex): Handle them.
7738 2000-02-23 Nick Clifton <nickc@cygnus.com>
7740 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7741 comment tests on type attributes.
7743 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7745 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7746 conform to documentation.
7747 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7748 to check for special cases.
7749 * sh-protos.h (sh_loop_align): Declare.
7750 * sh.c (sh_loop_align): Define.
7752 2000-02-22 Andrew Haley <aph@cygnus.com>
7754 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7755 (SIZE_TYPE): Is 32 bits when using -mgp32.
7756 (PTRDIFF_TYPE): Ditto.
7758 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7760 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7762 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7764 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7765 BIGGEST_FIELD_ALIGNMENT a constant.
7767 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7769 * dwarf2out.c (output_line_info): Put the marker for the end of
7770 the line number info at the actual end.
7771 (gen_struct_or_union_type_die): Use decl_function_context
7772 to check for local classes.
7773 * dwarfout.c (output_type): Likewise.
7775 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7777 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7778 for arguments with a mode, but no type.
7779 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7780 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7781 * pa/long_double.h: New file.
7782 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7783 both have 128bit wide long doubles.
7784 * configure: Rebuilt.
7786 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7788 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7790 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7791 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7792 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7794 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7796 * integrate.c (compare_blocks, find_block): Likewise.
7798 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7800 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7802 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7803 expand_asm_operands): Likewise.
7805 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7807 * predict.c (estimate_probability): Added the pointer heuristic to
7808 the collection of static branch predictors.
7810 2000-02-21 Catherine Moore <clm@cygnus.com>
7812 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7813 * invoke.texi (-mfix7000): Document.
7815 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7817 * diagnostic.c (init_output_buffer): Make it possible to output at
7818 least 32 characters if we're given a too long prefix.
7820 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7822 * varasm.c (initializer_constant_valid_p): Call
7823 lang_expand_constant to simplify the constant.
7825 2000-02-20 Bruce Korb <bkorb@gnu.org>
7827 * fixinc/inclhack.def(stdio_va_list):
7828 typedef needs to be disabled.
7829 * fixinc/inclhack.sh: regen
7830 * fixinc/fixincl.x: regen
7832 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7834 * print-rtl.c (print_rtx): Don't print addresses when
7835 flag_dump_unnumbered.
7837 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7839 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7841 (sparc_va_arg, sparc_flat_output_function_prologue,
7842 sparc_flat_output_function_epilogue): Cast value to unsigned in
7844 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7846 * sparc.md: Add default case in switch.
7848 2000-02-19 Richard Henderson <rth@cygnus.com>
7850 * c-typeck.c (add_pending_init): Don't abort for multiple
7851 fields at the same offset.
7852 (pending_init_member): Test the correct member.
7854 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7856 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7858 (start_catch_handler) : Same.
7860 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7862 * Makefile.in: Have flow.o depend on $(EXPR_H)
7864 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7866 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7867 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7868 (finish_decl): Remove -Wlarger-than code from here.
7869 * flags.h (id_clash_len): Now int.
7870 (larger_than_size): Now HOST_WIDE_INT.
7871 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7872 Clean up checking to see if in table.
7873 (make_bit_field_ref): Remove extra parm to bitsize_int.
7874 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7875 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7876 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7877 and for computing size of decl.
7878 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7879 Move -Wlarger-than code to here.
7880 (layout_record): Remove extra arg to bitsize_int.
7881 Set TYPE_BINFO_SIZE_UNIT.
7882 (layout_union): Remove extra arg to bitsize_int.
7883 Use proper type for size of QUAL_UNION.
7884 (layout_type): Remove extra arg to bitsize_int.
7885 * toplev.c (id_clash_len): Now int.
7886 (larger_than_size): Now HOST_WIDE_INT.
7887 (decode_W_option): Clean up id-clash and larger-than- cases.
7888 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7889 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7890 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7891 (struct tree_decl): New field size_unit.
7892 (size_int_wide): No HIGH operand; NUMBER is now signed.
7893 (size_int_2): Deleted.
7894 (size_int, bitsize_int): Don't use it and rework args.
7895 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7897 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7899 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7901 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7903 * invoke.texi (Warning Options): Add an explanation of why
7904 you might want the -Wfloat-equal flag.
7906 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7908 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7909 * cppinit.c (new_pending_define): Add cast to avoid warning.
7910 * expmed.c (extract_bit_field): Likewise.
7911 * flow.c (enum reorder_skip_type): New type.
7912 (skip_insns_between_blcok): New it.
7913 Rework to avoid warning about possibly undefined variable.
7914 * function.c (assign_parms): Make thisparm_boundary unsigned.
7915 * genrecog.c (write_switch): Cast XWINT result to int.
7916 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7917 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7918 one for MIPS and one for Alpha.
7919 (get_tag, copy_object): Add casts to avoid warnings.
7920 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7921 * reload.c (find_reloads): Make TYPE enum reload_type.
7922 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7923 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7924 * varasm.c (compare_constant_1): Add cast to avoid warning.
7925 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7927 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7928 Cast switch operand of size to int.
7929 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7930 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7933 2000-02-18 Nick Clifton <nickc@cygnus.com>
7935 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7936 anything for an alignment of zero.
7938 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7939 anything for an alignment of zero.
7941 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7943 * gcc.texi (Bug Reporting): Refer to bugs.html.
7944 (Bug Lists): Likewise.
7945 * system.h (GCCBUGURL): New preprocessor define.
7946 * rtl.c (fancy_abort): Use it.
7947 * gcc.c (main): Likewise.
7949 2000-02-18 Richard Henderson <rth@cygnus.com>
7951 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7952 (life_analysis_1): Subsume into ...
7953 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7954 Use update_life_info for the relaxation.
7955 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7956 entry and regs_live_at_setjmp.
7957 (set_noop_p): Simplify.
7958 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7959 (record_volatile_insns): Split into ...
7960 (delete_noop_moves): ... here,
7961 (notice_stack_pointer_modification): ... here,
7962 (insn_dead_p): ... and here.
7963 (propagate_block): Don't query INSN_VOLATILE.
7964 (mark_used_regs): Mind !PROP_REG_INFO.
7965 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7966 not in life_analysis.
7968 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7970 * loop.c (canonicalize_condition): New function,
7971 broken out of get_condition.
7972 (get_condition): Use it.
7973 * expr.h (canonicalize_condition): Prototype it.
7975 * tree.h (tree_int_cst_msb): Declare.
7976 * tree.c (tree_int_cst_msb): New function.
7978 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7980 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7983 * invoke.texi (-fmessage-length=n): Document.
7985 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7987 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7989 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7991 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7994 2000-02-17 Nick Clifton <nickc@cygnus.com>
7996 * config/arm/thumb.c: Replace includes of system headers with
7997 #include "system.h".
7999 2000-02-16 Richard Henderson <rth@cygnus.com>
8001 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8002 Add crtbeginS.o and crtendS.o.
8003 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8004 (ENDFILE_SPEC): Use crtendS.o.
8005 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8007 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8008 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8010 (__dso_handle): New variable.
8011 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8012 bias to __CTOR_END__.
8014 2000-02-16 Richard Henderson <rth@cygnus.com>
8016 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8018 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8020 * longlong.h (__clz_tab): Declare as static to match definition.
8022 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8023 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8024 (XREF_FILE_NAME): Define.
8026 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8027 (EH_FRAME_SECTION_ASM_OP): Define.
8028 (IDENT_ASM_OP): Define.
8029 (TEXT_SECTION_ASM_OP): Define.
8031 (CTORS_SECTION_ASM_OP): Define.
8032 (CTOR_SECTION_FUNCTION): Use it.
8033 (DTORS_SECTION_ASM_OP): Define.
8034 (DTOR_SECTION_FUNCTION): Use it.
8036 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8038 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8041 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8042 debug_bb_n): New functions.
8043 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8044 * basic-block.h: Prototype new functions.
8046 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8048 * configure.in: Add support for avr target.
8049 * configure: Rebuilt.
8051 * invoke.texi: Add AVR invocation docs.
8052 * install.texi: Add information about AVR.
8053 * md.texi: Add AVR constraint letters description.
8054 * extend.texi: Add description for AVR specific attributes.
8056 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8058 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8060 2000-02-16 Nick Clifton <nickc@cygnus.com>
8062 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8063 (make_insn_raw): Move RTL check here.
8065 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8067 * version.c: Include gansidecl.h and version.h.
8069 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8071 * configure.in (gcc_version): When setting, narrow search to
8072 lines containing `version_string'.
8074 * Makefile.in (mainversion): Likewise.
8075 (GCC_H): New variable.
8076 (gcc.h): Delete target.
8077 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8078 (version.o): Depend on version.h.
8079 (dbxout.o): Don't depend on gcc.h.
8081 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8082 Michael Meissner <meissner@cygnus.com>
8084 * md.texi (Simple Constraints): Add item about whitespace.
8085 * genoutput.c (strip_whitespace): New.
8086 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8087 strip_whitespace for constraints.
8088 Test pointer using NULL, not 0.
8090 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8092 * cpplib.c (do_line): Pedwarn for #line > 32767.
8094 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8096 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8098 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8099 to default cpp spec.
8100 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8101 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8104 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8107 2000-02-15 Denis Chertykov <denisc@overta.ru>
8109 * configure.in: Add support for avr target.
8111 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8113 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8114 (sh_addr_diff_vec_mode): Don't declare.
8115 * sh.c (sh_addr_diff_vec_mode): Delete.
8117 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8119 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8121 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8123 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8124 (smulsi3_highpart_i): Name.
8125 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8126 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8127 (smulsi3_highpart, umulsi3_highpart): Likewise.
8129 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8130 correctly independent of endianness.
8131 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8132 confuse the optimizers.
8133 (mulsidi3+1, umulsidi3+1): New define_split.
8135 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8137 * config/sh/sh.md: Guard insn splits against illegal registers.
8138 * config/sh/sh.h: Correct comment about macros.
8140 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8141 Andrew MacLeod <amacleod@cygnus.com>
8143 * Makefile.in (lcm.o): Depend on insn-attr.h.
8144 * basic-block.h (optimize_mode_switching): Declare.
8145 * lcm.c (tm_p.h, insn-attr.h): #include.
8146 (seginfo, bb_info): New structs.
8147 (antic, transp, comp, delete, insert) : New file-scope static variables.
8148 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8149 (reg_becomes_live, optimize_mode_switching): Likewise.
8150 * tm.texi: Add description of mode switching macros.
8151 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8153 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8154 (fldi_ok, fpscr_set_from_mem): New prototypes.
8155 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8156 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8157 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8158 (sh_flag_remove_dead_before_cse): Remove declaration.
8159 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8160 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8161 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8162 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8163 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8164 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8165 (fldi_ok): New function.
8166 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8167 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8168 (emit_df_insn): Likewise.
8169 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8170 (sh_flag_remove_dead_before_cse): Delete.
8171 (get_free_reg, fpscr_set_from_mem): New functions.
8172 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8173 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8175 2000-02-15 Loren Rittle <ljrittle@acm.org>
8177 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8179 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8181 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8182 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8184 * cccp.c: Include version.h and/or don't declare `version_string'.
8185 * collect2.c: Likewise.
8186 * alpha.c: Likewise.
8187 * arm/aof.h: Likewise.
8188 * arm/coff.h: Likewise.
8189 * arm/elf.h: Likewise.
8190 * arm/pe.h: Likewise.
8191 * arm/tcoff.h: Likewise.
8192 * arm/telf.h: Likewise.
8193 * arm/tpe.h: Likewise.
8194 * arm/vxarm.h: Likewise.
8195 * convex/convex.c: Likewise.
8196 * i386/dgux.c: Likewise.
8197 * i386/sun386.h: Likewise.
8198 * m88k/m88k.c: Likewise.
8199 * mcore/mcore-pe.h: Likewise.
8200 * mips/mips.h: Likewise.
8201 * romp/romp.h: Likewise.
8202 * sh/sh.c: Likewise.
8203 * cpphash.c: Likewise.
8204 * cppinit.c: Likewise.
8205 * dwarf2out.c: Likewise.
8206 * dwarfout.c: Likewise.
8209 * mips-tfile.c: Likewise.
8210 * protoize.c: Likewise.
8211 * toplev.c: Likewise.
8214 * version.c (version_string): Constify a char*.
8216 * version.h: New file.
8218 2000-02-14 Nick Clifton <nickc@cygnus.com>
8220 * configure.in: Add mcore-elf and mcore-pe targets.
8221 * configure: Regenerate.
8223 * NEWS: Add note that MCore port has been contributed.
8225 * invoke.texi: Document command line switches for MCore port.
8226 * install.texi: Add MCore to list of supported targets.
8228 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8230 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8231 then we will need to import the frame handling functions.
8232 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8233 to import the frames themselves.
8235 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8236 Jason Eckhardt <jle@cygnus.com>
8238 * basic_block.h: Added prototype for reorder_basic_blocks.
8239 * toplev.c: Changes to add -freorder-blocks and graph dump after
8240 block reordering is done.
8241 * flow.c (reorder_block_def): New structure for use during block
8243 (REORDER_BLOCK_*): New macros to access members of above structure.
8244 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8245 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8246 functions for block reordering.
8248 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8250 * gcc.texi (Passes): Fix typo.
8251 * md.texi (Standard Names): Ditto.
8252 * tm.texi (Storage Layout): Ditto.
8254 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8256 * cpplib.c (do_define): Only free the old definition if it
8259 2000-02-13 Neil Booth <NeilB@earthling.net>
8261 * cppfiles.c (read_and_prescan): When emitting deferred
8262 newlines, test speccase[] again instead of checking each
8263 possible whitespace character in turn. When we encounter \r,
8264 look behind for \n first, then ahead.
8266 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8268 * cse.c (cse_altered): New internal flag.
8269 (cse_insn): Set it if we changed an insn.
8270 (cse_main): Clear cse_altered before each basic block.
8271 Only garbage collect if cse_altered is true afterward.
8273 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8275 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8277 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8279 * combine.c (simplify_comparison): Fix typo.
8281 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8283 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8286 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8288 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8289 previously inserted node instead of root node. Caller changed.
8291 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8293 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8295 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8297 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8298 __dereg_frame_dtor): Add prototype argument.
8300 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8302 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8304 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8306 * gthr-vxworks.h (__gthread_once): Likewise.
8308 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8310 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8312 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8313 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8314 stack pointer in functions w/o saved registers, output LEAVE more often
8315 on TARGET_USE_LEAVE machines.
8317 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8319 * config/arm/arm.c (arm_init_cumulative_args); New function:
8320 Initlaise the CUMULATIE_ARGS strcuture for a function
8322 (arm_function_arg): New function: Determine where to place a
8323 function's argument. Also handles deciding the function's
8325 (current_file_function_operand): New function: Return true if
8326 the symbol is a function which has already been compiled.
8327 (arm_is_long_call_p): New function: Return true if the
8328 indicated function should be called via a long call.
8329 (arm_valid_type_attribute_p): New function: Return true if the
8330 attribute is a valid, arm specific, attribute.
8331 (arm_comp_type_attribute): New function: Return true if the
8332 two types have compatable, arm specific, attributes.
8334 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8336 (FUNCTION_ARG): Redefine to call arm_function_arg.
8337 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8339 (INIT_CUMULATIVE_ARGS): Redefine to call
8340 arm_init_cumulative_args.
8341 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8343 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8345 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8347 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8348 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8349 (COMP_TYPE_ATTRIBUTES): Define.
8351 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8352 if a long call is needed.
8353 (call_value): Call arm_is_long_call_p to decide if a long call
8355 (call_symbol): Call arm_is_long_call_p to decide if a long call
8358 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8360 2000-02-11 Denis Chertykov <denisc@overta.ru>
8362 * README.AVR: New file with information about the avr ports.
8363 * config/avr: New directory with avr port files.
8365 2000-02-11 Andreas Jaeger <aj@suse.de>
8367 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8369 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8371 * cpphash.c: Fix formatting, update commentary.
8372 (dump_definition): Take three separate arguments instead of a
8373 MACRODEF structure argument.
8374 * cpphash.h: Update prototype of dump_definition.
8375 * cppinit.c (cpp_finish): Update call of dump_definition.
8377 * cpplib.c (do_define): Always create new hash entry with
8378 T_MACRO type. Remove redundant check for redefinition of
8379 poisoned identifier. Update call of dump_definition.
8380 (do_undef): Don't call check_macro_name. Rename sym_length to
8382 (do_error, do_warning): Don't use copy_rest_of_line or
8384 (do_warning): Don't use pedwarn for the actual warning,
8385 only the notice about its not being in the standard. (Fixes
8386 bug with #warning in system headers.)
8387 (do_ident): Stricter argument checking - accept only a single
8388 string after #ident. Also, macro-expand the line.
8389 (do_xifdef): Use cpp_defined. De-obfuscate.
8391 (do_pragma): Split out specific pragma handling to separate
8392 functions. Use get_directive_token. Update commentary. Do
8393 not pass on #pragma once or #pragma poison to the front end.
8394 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8395 do_pragma_default): New.
8397 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8399 * jump.c (jump_optimize_1): The first operand in a relational
8401 * optabs.c (emit_conditional_move): Handle relationals which
8402 have a known true/false result.
8404 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8406 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8407 a RETURN insn into a block which already ends with a jump.
8409 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8411 * haifa-sched.c (BUF_LEN): Increase a lot.
8413 2000-02-11 Nick Clifton <nickc@cygnus.com>
8415 * configure.in: Add tm_p_file specification for thumb targets.
8416 * configure: Regenerate.
8418 * config/arm/thumb-protos.h: New file: Prototypes for exported
8419 functions defined in thumb.c.
8421 2000-02-11 Robert Lipe <robertl@sco.com>
8423 * Makefile.in (bootstrap-lean): Remove additional files.
8424 (bootstrap2-lean): Likewise.
8425 (VOL_FILES): List of files for above.
8427 2000-02-11 Nathan Sidwell <nathan@acm.org>
8429 * cpphash.c (special_symbol): Remove spurious argument to
8432 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8434 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8436 * configure: Rebuilt.
8438 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8440 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8442 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8444 * pa.c, pa.h: Remove trigraph sequences within comments.
8446 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8448 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8450 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8452 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8454 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8456 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8458 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8460 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8461 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8462 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8463 (ASM_FILE_END): Use c4x_file_end.
8464 * config/c4x/c4x.c (c4x_global_label): New function.
8465 (c4x_external_ref, c4x_file_end): Likewise.
8467 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8468 (c4x_external_ref, c4x_end_file): Likewise.
8470 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8472 * cppexp.c: Don't include cpphash.h.
8473 (parse_charconst, cpp_lex): Use cpp_defined.
8474 (cpp_lex): Use get_directive_token throughout. Remove
8475 unnecessary cases from switch. Move assertion-handling code
8477 (cpp_parse_expr): If we see '+' or '-', check the context to
8478 determine if they are unary or binary operators. Streamline
8479 the jumps a bit. Do not call skip_rest_of_line.
8481 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8482 static. Export get_directive_token. Update commentary.
8483 (cpp_defined): New function.
8484 (do_define): Remove reference to T_PCSTRING. Call
8485 free_definition to release memory for old definition, when
8487 (eval_if_expression): Set only_seen_white to 0 before calling
8488 cpp_parse_expr. Call skip_rest_of_line after it returns.
8489 (cpp_read_check_assertion): Don't preserve a pointer into the
8490 token buffer across a call to cpp_get_token.
8492 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8493 * cppfiles.c (redundant_include_p): Use cpp_defined.
8494 * cpphash.c (free_definition): New function.
8495 (delete_macro): Use it. Update commentary.
8496 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8498 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8499 from enum node_type. Prototype cpp_defined and get_directive_token.
8500 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8502 * fix-header.c (check_macro_names): Use cpp_defined.
8503 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8504 the options structure.
8506 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8508 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8510 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8512 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8513 rather than die->die_tag.
8515 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8517 * combine.c (make_extraction, force_to_mode): Avoid warning on
8518 mixed-signedness conditionals.
8519 (make_field_assignment, nonzero_bits): Likewise.
8520 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8521 (store_split_bit_field, extract_split_bit_field): Likewise.
8522 (extract_fixed_bit_field, store_bit_field,
8523 * expr.c: Change alignment to be unsigned everywhere.
8524 (move_by_pieces, store_constructor_field, store_constructor):
8525 Alignment parm is unsigned.
8526 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8527 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8528 (do_compare_rtx_and_jump): Likewise.
8529 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8530 Compare align with GET_MODE_ALIGNMENT.
8531 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8532 (get_inner_reference): Likewise.
8533 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8534 (expand_assignment): Local vars for alignment now unsigned.
8535 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8536 (do_compare_and_jump): Likewise.
8537 (store_field): Call new function expr_align.
8538 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8539 Alignment arg now unsigned.
8540 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8541 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8542 (extract_bit_field): Likewise.
8543 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8544 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8545 (get_best_mode): Alignment arg is unsigned.
8546 * rtl.h (move_by_pieces): Likewise.
8547 * store-layout.c (maximum_field_alignment, set_alignment):
8549 (layout_decl): Alignment arg is now unsigned.
8550 Remove unneeded casts.
8551 (layout_record, layout_union, layout_type): Remove unneeded casts.
8552 Local alignment variables now unsigned.
8553 (get_best_mode): Alignment arg now unsigned.
8554 * tree.c (expr_align): New function.
8555 * tree.h (expr_align): Likewise.
8556 (maximum_field_alignment, set_alignment): Now unsigned.
8557 (get_inner_reference): Alignment argument is now pointer to unsigned.
8558 * varasm.c (assemble_variable): Add cast to eliminate warning.
8560 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8562 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8563 then store directly into op0.
8565 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8566 the CALL_INSN, and emit the note immediately after it.
8568 2000-02-10 Nick Clifton <nickc@cygnus.com>
8570 * config/arm/thumb.md (epilogue): Include a (return) in the
8571 generated insn, and emit it using emit_jump_insn not
8574 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8576 * function.c (assign_temp): Change zero-sized arrays to size 1.
8577 * integrate.c (expand_inline_function): Do not update
8578 stack_alignment_needed
8579 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8580 add some sanity checking, remove optimization for function with
8583 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8585 * flow.c (mark_regs_live_at_end): Delete unused variables.
8587 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8589 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8590 in macro FRAME_GROWS_DOWNWARD.
8592 * stmt.c (expand_end_bindings): Delete unused variable.
8594 * unroll.c (iteration_info): Mark parameter `loop' with
8597 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8599 * fixinc/server.c (load_data): Return NULL if the marker line is
8601 (run_shell): If load_data returns NULL, retry the command once, in
8604 * configure: Rebuilt.
8606 2000-02-09 Bruce Korb <bkorb@gnu.org>
8608 * gcc/fixincludes: ** DELETED **
8609 * gcc/fixcpp: ** DELETED **
8610 * gcc/fixinc-nt.sed: ** DELETED **
8611 * gcc/just-fixinc: ** DELETED **
8612 * gcc/Makefile.in: Removed out-dated commentary
8613 * gcc/configure.in: Removed fast-fixincludes disablement.
8614 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8616 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8617 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8620 2000-02-09 Richard Henderson <rth@cygnus.com>
8622 * jump.c (delete_insn): Don't delete user labels at -O0.
8624 2000-02-09 Robert Lipe <robertl@sco.com>
8626 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8627 Don't link with HOST_LIBS.
8629 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8631 * configure.in: Correct --help text for --with-dwarf2.
8632 Put tm-dwarf2.h after other tm files, if it's requested.
8633 * configure: Regenerate.
8634 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8637 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8639 * cpplib.h: Provide HASHNODE typedef and forward decl of
8640 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8641 DEFINITION, struct hashnode, struct macrodef, struct
8642 definition, scan_decls prototype, default defn of
8643 INCLUDE_LEN_FUDGE moved elsewhere.
8645 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8646 definition, and struct hashnode moved here. Remove the unused
8647 'predefined' field from struct definition. Replace the 'args'
8648 union with its sole member. All users updated (cpphash.c).
8649 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8650 multiple include guard.
8652 * cpphash.c (hashf): Make static; use better algorithm; drop
8653 HASHSIZE parameter; return an unsigned int.
8654 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8655 used. Calculate HASHSIZE modulus here.
8656 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8658 (create_definition): Drop PREDEFINITION parameter.
8659 * cpplib.c (do_define): Don't calculate a hash value here.
8660 Don't pass (keyword == NULL) to create_definition.
8662 * scan.h: Prototype scan_decls here.
8663 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8664 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8665 callers of cpp_lookup and cpp_install updated.
8667 * cpphash.c (macarg): Hoist all the flag diddling out of the
8669 (macroexpand): ... and out of the loop that calls macarg.
8670 Skip over the initial paren before macro arguments with
8671 cpp_get_non_space_token; point may be some distance before
8672 that paren. Abort if it's not there.
8674 * cpplib.c (parse_clear_mark): Delete function.
8675 (parse_set_mark, parse_goto_mark): Make static.
8676 (ACTIVE_MARK_P): New macro.
8677 (skip_block_comment, skip_line_comment): Do not bump the line
8678 if ACTIVE_MARK_P is true.
8679 (cpp_pop_buffer): The buffer to be popped may not have an
8681 (cpp_get_token): When looking for the initial paren before
8682 macro arguments, only set a mark in a file buffer, Always
8683 return to that mark before proceeding to call macroexpand or
8684 return a NAME token.
8686 * cpplib.h: Remove prototypes of parse_set_mark,
8687 parse_clear_mark, parse_goto_mark.
8688 (struct cpp_options): Rename 'put_out_comments' to
8689 'discard_comments' and invert its sense.
8690 * cppinit.c, cpphash.c, cpplib.c: All users of
8691 put_out_comments changed to use discard_comments, with
8694 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8696 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8697 the edge from a block that both jumps and falls through to the
8700 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8702 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8703 constant source address is legitimate.
8705 2000-02-09 Philip Blundell <pb@futuretv.com>
8707 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8710 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8712 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8714 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8716 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8717 ends with a newline and a NUL. Don't be so clever manipulating
8720 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8722 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8723 not to BIGGEST_ALIGNMENT.
8725 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8727 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8728 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8729 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8730 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8731 * frame.c (execute_cfa_insn): Handle
8732 DW_CFA_GNU_negative_offset_extended.
8734 2000-02-08 Richard Henderson <rth@cygnus.com>
8736 * flow.c (tidy_fallthru_edges): Split out from ...
8737 (delete_unreachable_blocks): ... here.
8738 (find_basic_blocks): Use it.
8740 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8742 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8744 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8746 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8747 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8748 (fix-header.o): Don't depend on cpphash.h.
8750 * scan.c (hashstr): New function.
8751 * scan.h: Prototype it.
8752 * fix-header.c: Don't include cpphash.h. Use hashstr.
8753 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8754 hashstr. Report hash table statistics. Add private
8755 definition of xrealloc.
8757 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8759 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8761 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8763 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8764 jumps with returns unless they are jumps to the fallthru block.
8766 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8768 * i386.md (addqi3_cc): Fix contraints.
8770 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8772 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8774 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8776 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8777 carriage return after a macro name.
8779 2000-02-07 Fred Fish <fnf@be.com>
8781 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8782 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8784 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8786 * cppfiles.c (deps_output): Count spacers in deps_column.
8788 2000-02-07 Neil Booth <NeilB@earthling.net>
8790 * cppinit.c (initialize_dependency_output): If there is no
8791 suffix, don't try to look for known suffixes. Use strrchr.
8792 (cpp_start_read): Remove duplicate initialization.
8794 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8796 * calls.c (compute_argument_block_size): New argument
8797 preferred_stack_boundary.
8798 (expand_call): update cfun->preferred_stack_boundary, update call of
8799 compute_argument_block_size
8800 (emit_library_call): Increate cfun->preferred_stack_boundary
8801 to PREFERRED_STACK_BOUNDARY
8802 (emit_library_call_value): Likewise.
8803 * explow.c (allocate_dynamic_stack_spave): Likewise.
8804 * function.c (prepare_function_start): Set
8805 cfun->preferred_stack_boundary
8806 * function.h (struct function): Add preferred_stack_boundary field.
8807 * integrate.c (expand_inline_function): Update
8808 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8809 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8810 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8812 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8814 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8815 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8816 cpp_pedwarn, cpp_pedwarn_with_line,
8817 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8818 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8819 v_cpp_error_with_line, v_cpp_warning_with_line,
8820 cpp_message_from_errno, cpp_perror_with_name): Delete.
8822 * cpperror.c (cpp_print_containing_files): Take starting
8824 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8825 (v_cpp_message): Now called directly by all entry points.
8827 (cpp_pfatal_with_name, cpp_message): Delete.
8828 (cpp_notice_from_errno, cpp_ice): New functions.
8829 (cpp_notice): Is now for reporting error conditions, just
8830 without an associated file.
8831 (cpp_error, cpp_error_with_line): Don't do anything if
8832 opts->inhibit_errors is on.
8833 (cpp_pedwarn_with_file_and_line): Take column argument also.
8835 * cpplib.h: Update prototypes of exported functions.
8836 (struct cpp_options): Add inhibit_errors.
8838 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8839 non-error messages. Include intl.h.
8841 * cppinit.c, cppmain.c: Likewise. Also, use
8842 cpp_notice_from_errno instead of cpp_perror_with_name or
8843 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8845 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8846 report internal errors.
8848 * cpplib.c (do_define): Switch bcopy to memcpy.
8849 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8851 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8852 bail out early if we hit a line comment.
8854 2000-02-06 Richard Henderson <rth@cygnus.com>
8856 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8857 * basic-block.h: Declare them.
8858 * emit-rtl.h (active_insn_p): New.
8859 (next_active_insn, prev_active_insn): Use it.
8860 * rtl.h: Declare it.
8861 * function.c (emit_return_into_block): New.
8862 (thread_prologue_and_epilogue_insns): Insert return insns instead
8863 of epilogues when possible.
8864 * jump.c (jump_optimize_1): Remove code to insert a return insn
8865 on the fallthru to the exit block.
8867 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8868 and for non-empty stack frames.
8869 * i386.md (return): Expand to return-pop as needed.
8871 2000-02-06 Richard Henderson <rth@cygnus.com>
8873 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8874 constant to op1 for testing.
8876 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8878 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8879 (fixuns_truncqfqi2): Use it.
8881 2000-02-06 Richard Henderson <rth@cygnus.com>
8883 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8886 * i386.md (widening and peepholes): Mask the constant instead of
8889 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8891 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8892 input pointer before possibly branching off to the backslash
8894 * cpphash.c (macroexpand): Correctly delete \r escapes when
8895 stringifying parameters.
8896 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8897 if we can; bail out early if we hit a line comment.
8898 (handle_directive): Treat '# 123' in an .S file just like
8899 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8900 Return 1 for '# not_a_directive'.
8901 (get_directive_token): Pop macro buffers here, so that
8902 cpp_get_token can't sneakily move past a newline.
8904 (cpp_get_token): goto randomchar if handle_directive returns 0.
8906 * cppalloc.c: Update copyright.
8907 * cpplib.c: Merge all the static function prototypes into one
8909 * cpplib.h: Remove #if 0 block.
8911 * cpperror.c: Remove #ifdef EMACS block.
8912 * cppmain.c: Likewise.
8913 * cpphash.c: Remove #if 0 blocks.
8914 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8915 * cpplib.c: Remove #if 0 blocks and code referencing
8916 pcp_inside_if or for_lint. Remove duplicate error message.
8917 Fix error messages for #else after #else or #elif. Reformat.
8918 Remove archaic TODO list.
8919 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8921 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8923 * i386/osf1elf.h: Add missing backslash to multiline string.
8925 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8927 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8929 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8931 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8933 * c-common.c: Include expr.h.
8935 * c-pragma.c (mark_align_stack): Add prototype.
8937 * caller-save.c (add_stored_regs): Likewise.
8939 * combine.c (record_promoted_value): Likewise.
8941 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8944 * cppinit.c (new_pending_define): Likewise.
8946 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8948 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8949 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8950 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8951 class_scope_p): Likewise.
8953 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8954 dwarf2out_add_library_unit_info): Likewise.
8956 * ggc.h (ggc_page_print_statistics): Likewise.
8958 * haifa-sched.c (propagate_deps): Likewise.
8960 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8962 * rtl.h (set_stack_check_libfunc): Likewise.
8964 * toplev.h (set_fatal_function): Likewise.
8966 * toplev.c (set_fatal_function): Delete prototype.
8968 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8970 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8972 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8973 (FUNC_END): Likewise.
8975 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8977 * caller-save.c: Include tm_p.h.
8979 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8981 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8983 2000-02-04 Neil Booth <NeilB@earthling.net>
8985 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8988 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8990 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8991 * genflags.c: Use the max_operand_1 logic from genemit.c to
8992 calculate how many arguments gen_insn prototypes have. Remove
8993 NO_MD_PROTOTYPES ifdefs from the generated file.
8994 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8995 file. Cast gen_insn initializers to insn_gen_fn.
8996 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8997 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8999 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9001 * fixinc/Makefile.in (HDR): Add machname.h.
9004 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9006 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9007 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9008 (c4x_cpu_version): Ditto.
9009 * config/c4x/c4x-protos.h: ... here.
9011 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9013 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9014 gen_abstract_function on our context if we're a nested function.
9016 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9018 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9019 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9021 2000-02-04 Bruce Korb <bkorb@gnu.org>
9023 * fixinc/genfixes(machname.h):
9024 Move the functionality from gen-machine.h into this file.
9025 UNdef MN_NAME_PAT if there are no names to change.
9026 Also, be a little kinder when AutoGen is not present.
9028 * fixinc/Makefile.in(machname.h):
9029 Change the generation rule to use genfixes.
9031 * fixinc/fixfixes.c(machine_name):
9032 machine_name_fix's functionality now dependent upon whether
9033 MN_NAME_PAT is defined.
9035 * fixinc/fixtests.c(machine_name):
9038 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9041 * fixinc/fixlib.h(mn_get_regexps):
9044 * fixinc/gen-machine.h: DELETED
9046 2000-02-04 Jan Hubicka <jh@suse.cz>
9047 Richard Henderson <rth@cygnus.com>
9049 * i386.c (SAVE_REGS_FIRST): Remove.
9050 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9051 (ix86_compute_frame_size): Likewise.
9052 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9053 (ix86_emit_restore_regs): Remove.
9054 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9055 when a frame pointer is in use.
9056 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9057 instead of pop to restore a register when profitable; emit leave
9059 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9061 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9062 * i386.md (prologue_allocate_stack): Remove.
9063 (epilogue_deallocate_stack): Remove.
9064 (pro_epilogue_adjust_stack): New.
9066 2000-02-04 Richard Henderson <rth@cygnus.com>
9068 * function.c (diddle_return_value): Rework to use a callback function.
9069 Use current_function_return_rtx if it's been set up.
9070 (do_clobber_return_reg, clobber_return_register): New.
9071 (do_use_return_reg, use_return_register): New.
9072 (expand_function_end): Use them.
9073 * stmt.c (expand_null_return): Likewise.
9074 * function.h: Declare them.
9075 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9076 (mark_reg): Change arguments as appropriate for callback.
9077 * integrate.c (expand_inline_function): Revert 19 Jan change.
9079 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9081 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9082 (Misc): Say the scheduler, not the Haifa scheduler.
9084 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9086 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9087 when in_mem is set. Update all callers.
9089 2000-02-04 Richard Henderson <rth@cygnus.com>
9091 * i386/openbsd.h (INT_ASM_OP): Define.
9093 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9095 * tm.texi: Fix various typos.
9097 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9099 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9100 (MD_STARTFILE_PREFIX_1): New macro.
9102 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9104 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9105 destination when needed.
9106 (strmovsi, strsetsi): New expander.
9107 (strmovsi_1, strsetsi_1): New pattern.
9108 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9109 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9110 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9111 * invoke.texi (align-stringops, inline-all-stringops): Document.
9113 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9115 * i386/netbsd.h (INT_ASM_OP): Define.
9117 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9119 * cpplib.h (cpp_reader): Add new flag, no_directives.
9120 * cpphash.c (macarg): Set it.
9121 * cpplib.c (handle_directive): If no_directives is on and we
9122 find a directive, issue an error and discard the line.
9124 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9126 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9127 FP constants. Add ! TARGET_FPU check for FP constants.
9129 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9131 * flow.c (find_basic_blocks): Don't kill label_value_list
9133 (cleanup_cfg): Kill it here.
9135 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9137 * expr.c (store_field): Ensure ALIGN is no stricter than the
9140 2000-02-02 Richard Henderson <rth@cygnus.com>
9142 * jump.c (delete_insn): Partially revert 19 Jan change;
9143 don't convert unused code labels to notes at -O0.
9145 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9147 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9148 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9150 2000-02-01 Richard Henderson <rth@cygnus.com>
9152 * i386.c (general_no_elim_operand): New.
9153 (nonmemory_no_elim_operand): New.
9154 (ix86_expand_move): Copy eliminable operands before a push.
9155 * i386-protos.h: Declare new functions.
9156 * i386.h (CAN_ELIMINATE): Simplify.
9157 (PREDICATE_CODES): Update.
9158 * i386.md (push insns): Don't allow eliminable register operands.
9160 2000-02-01 Richard Henderson <rth@cygnus.com>
9162 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9163 replace BLKmode with DECL_RTL's mode.
9165 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9167 * frame.c (find_fde): Convert for loop to do-while so compiler
9168 sees it's always executed at least once.
9169 * libgcc2.c (BBINBUFSIZE): Kill.
9170 (__bb_init_prg): Use fgets.
9171 (__bb_exit_trace_func): Don't paste strings.
9172 * unroll.c (unroll_loop): Initialize unroll_type, not
9173 unroll_number, and tweak logic to match.
9175 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9177 (ix86_flags_dependant): Likewise. Disentangle control flow.
9178 (ix86_sched_reorder): Break guts out to
9179 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9180 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9183 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9184 use string concatenation. Don't save and restore esi.
9186 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9187 (machname.h): Remove script to separate file. Use two-step
9188 sequence so target is not created if script fails.
9189 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9190 identifiers are defined.
9191 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9192 an empty string, machine_name doesn't need to do anything at
9194 (is_cxx_header): Add more cases to regexp.
9195 * fixinc/fixlib.h: Update prototype.
9196 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9198 * fixinc/fixincl.c: Define NO_BOGOSITY.
9200 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9201 (hp_sysfile): Add missing comma.
9202 (math_exception): Put the wrapper ifdefs at the beginning and
9203 the end of the file.
9204 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9206 2000-02-01 Richard Henderson <rth@cygnus.com>
9208 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9209 Use CONST0_RTX. Update all callers.
9210 * sparc.h, sparc-protos.h: Update accordingly.
9211 * sparc.md (fp mov insns): Use fp_zero_operand directly
9214 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9216 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9219 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9221 * Makefile.in (specs.ready): New target.
9222 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9224 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * fixinc.irix: Use unique filenames for writing into /tmp,
9227 * fixinc.ptx: Likewise.
9228 * fixinc.sco: Likewise.
9229 * fixinc.svr4: Likewise.
9230 * fixinc.winnt: Likewise.
9232 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9234 * tsystem.h: New file.
9236 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9237 s-crtS): Depend on tsystem.h.
9239 * crtstuff.c: Include tsystem.h.
9240 * frame.c: Likewise.
9241 * libgcc2.c: Likewise.
9243 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9245 * builtins.c (expand_builtin_memset): Expand for variable sized
9248 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9250 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9253 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9255 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9257 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9259 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9261 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9262 case 3->2 combining (combining with splitting) in which 2 is CC0
9263 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9264 checked at the begining of the function with the aid of calling
9265 function 'can_combine_p'.
9267 2000-01-31 Dave Brolley <brolley@redhat.com>
9269 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9271 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9273 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9276 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9278 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9280 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9283 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9285 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9286 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9287 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9288 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9289 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9290 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9291 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9292 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9293 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9294 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9296 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9297 Add %(cpp_cpu) to CPP_SPEC.
9299 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9300 Add %(cc1_cpu) to CC1_SPEC.
9302 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9304 * c-decl.c (c_decode_option): Accept optional numeric argument to
9305 -Wformat and set warn_format.
9306 * c-common.c: Don't emit warning about non-constant printf format
9307 string unless warn_format > 1.
9309 2000-01-30 Richard Henderson <rth@cygnus.com>
9311 * alpha.md (return_internal): Allow after reload only.
9313 2000-01-30 Richard Henderson <rth@cygnus.com>
9315 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9316 local frame size is zero.
9318 2000-01-30 Richard Henderson <rth@cygnus.com>
9320 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9321 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9322 * alpha.md (return): Turn into an expander.
9323 (return_internal): Don't use $26.
9324 (epilogue): Emit the return insn.
9326 2000-01-30 Richard Henderson <rth@cygnus.com>
9328 * alpha.md (negtf2, abstf2): Fix word order thinko.
9330 (trunctfsf2): Avoid intermediate rounding errors.
9332 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9334 * cppfiles.c (find_position): Drop 'colp' argument, return the
9336 (read_and_prescan): Adjust to match. Don't ever manipulate
9337 line or line_base except via find_position.
9339 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9341 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9342 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9345 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9347 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9348 just print "<command line>". If 'filename' is null or an
9349 empty string, print "<stdin>" for the filename.
9350 * cpplib.c (do_define): Don't print the 'location of the
9351 previous definition' message if we're still parsing the
9353 (cpp_pedwarn_with_file_and_line): Always call
9354 cpp_file_line_for_message.
9356 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9358 * flow.c (mark_regs_live_at_end): Fix typo.
9360 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9362 * c-common.c: Adjust variable names, comments, help strings to c99.
9363 * c-lex.c: Likewise.
9364 * c-parse.y: Likewise.
9365 * c-tree.h: Likewise.
9367 * cpplib.h: Likewise.
9368 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9369 * cppinit.c: Likewise.
9371 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9373 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9374 * c4x.c: Define the optab rtx values.
9375 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9376 (c4x_emit_libcall): Use new optab rtx values.
9377 (c4x_emit_libcall3): Likewise.
9378 (c4x_emit_libcall_mulhi): Likewise.
9379 * c4x-protos.h: Add prototypes for optab rtx values and change
9380 prototypes for above c4x_emit_libcall functions.
9382 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9384 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9386 (c4x_function_prologue): Use regnames intead of float_reg_names when
9388 (c4x_function_epilogue): Likewise.
9389 (c4x_print_operand): Likewise.
9390 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9391 * c4x.md (set_high): Disable for TARGET_TI.
9393 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9395 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9396 of framepointer + constant to ADDR_REGS class.
9397 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9398 * c4x.c (std_or_reg_operand): New function.
9399 * c4x-protos.h (std_or_reg_operand): Prototype it.
9401 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9403 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9404 object names as libgcc2.c.
9405 * libgcc.S: Use newly defined names.
9407 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9408 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9410 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9411 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9412 (FLOW_LOOP_LAST_BLOCK): Likewise.
9414 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9416 * basic-block.h (struct loop): New fields 'first' and 'last'.
9417 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9418 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9419 and loop->last to check for NOTE_INSN_LOOP_END.
9421 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9423 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9424 of the loop descriptor rather than HEADER and LATCH. Also added
9425 missing break statements as well making some coding style modifications
9426 as suggested by Michael Hayes.
9428 2000-01-28 Richard Henderson <rth@cygnus.com>
9430 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9431 Break out that code ...
9432 (cleanup_cfg): ... here.
9433 (commit_one_edge_insertion): Detect a return instruction being
9434 emitted to an edge. Emit a barrier following; clear fallthru.
9435 (commit_edge_insertions): Verify CFG consistency.
9436 * function.c (expand_function_start): Kill unused variable.
9437 (expand_function_end): Likewise.
9438 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9439 to insert the epilogue.
9441 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9442 (delete_null_pointer_checks): Likewise.
9443 * output.h: Likewise.
9444 * reg-stack.c (reg_to_stack): Likewise.
9445 * toplev.c (rest_of_compilation): Likewise. Run
9446 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9448 2000-01-28 Richard Henderson <rth@cygnus.com>
9450 * Makefile.in (flow.o): Revert 24 Jan change.
9451 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9452 FUNCTION_VALUE result to DECL_RESULT's mode.
9454 * haifa-sched.c (schedule_insns): Don't recompute reg info
9457 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9459 * configure.in: Make --enable-cpplib the default.
9460 * configure: Regenerate.
9461 * gcc.dg/990119-1.c: No longer expected to fail.
9463 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9465 * jump.c (jump_optimize_1): Delete an optimization that is also done
9466 by merge_blocks in flow.
9468 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9470 * diagnostic.c (build_message_string, output_printf,
9471 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9472 (build_location_prefix): Fix non-literal format string.
9474 2000-01-27 Richard Henderson <rth@cygnus.com>
9476 * alpha.md (trunctfsf2): New.
9478 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9480 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9482 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9484 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9486 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9488 (skip_comment) ... here. Permit C++ comments in system
9489 headers always. Warn about C++ comments in user code under
9490 -std=gnu89 -pedantic.
9491 (copy_comment): Use skip_comment.
9492 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9494 (consider_directive_while_skipping, do_else, do_endif): Call
9495 validate_else unconditionally.
9496 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9497 text after the conditional in a system header.
9498 * cpplib.h (struct cpp_buffer): Add flag
9499 warned_cplusplus_comments.
9501 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9503 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9504 Use unshare_all_rtl_1.
9505 (unshare_all_rtl_again): New function.
9506 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9508 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9509 rather than resetting the 'used' flags ourself.
9511 * toplev.c (rest_of_compilation): Add current_function_decl
9512 to the unshare_all_rtl call.
9513 * tree.h: Prototype unshare_all_rtl.
9514 * rtl.h: Prototype unshare_all_rtl_again here.
9516 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9518 * genoutput.c (output_prologue): Include ggc.h in generated
9520 * Makefile.in (insn-output.o): Depends on ggc.h.
9522 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9523 Hans-Peter Nilsson <hp@bitrange.com>
9525 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9526 Remove redundant include of xm-ns32k.h.
9527 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9528 Remove redundant include of xm-ns32k.h.
9529 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9530 Remove redundant include of xm-ns32k.h.
9531 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9533 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9534 (TARGET_SWITCHES): Add documentation strings.
9535 (DWARF_FRAME_REGNUM): Override default definition.
9536 (REG_CLASS_CONTENTS): Add comments.
9537 (SUBSET_P): Format to reduce line length.
9538 (SMALL_REGISTER_CLASSES): Make a run time option.
9539 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9540 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9541 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9542 (regclass_map): fix typo in comment.
9543 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9544 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9545 (trace, reg_or_mem_operand): Delete, unused function.
9546 (calc_address_cost): Small offsets are cheaper than large ones.
9547 (expand_block_move): Generate more efficient code when bytes is a
9548 known at compile time.
9549 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9550 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9551 instead of reg_or_mem_operand.
9553 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9554 not general_operand. Similarly use "=rm" or stricter, not "=g".
9555 For input operands, use stricter constraints than "g" if not
9556 general_operand. Similarly use stricter predicate than
9557 "general_operand" when stricter constraints than "g" are present,
9558 except for matching constraints.
9559 (movstrsi): Use "memory_operand" for operands 0 and 1.
9560 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9561 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9562 not reg_or_mem_operand.
9563 (udivmoddisi4): Ditto.
9564 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9565 Use nonimmediate_operand for operand 3, not register_operand.
9566 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9569 2000-01-27 Fred Fish <fnf@be.com>
9571 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9572 * gthr-single.h: Likewise.
9573 * gthr-solaris.h: Likewise.
9574 * gthr-vxworks.h: Likewise.
9575 * gthr-win32.h: Likewise.
9578 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9580 * cppinit.c: Add " (cpplib)" to end of string printed by
9583 2000-01-27 Richard Henderson <rth@cygnus.com>
9585 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9586 testing for a signed comparison.
9587 (alpha_emit_floatuns): New.
9588 * alpha-protos.h: Declare it.
9589 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9590 (extendsfdf2): Tidy.
9592 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9594 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9595 no -g option specifying debugging format, default to -gstabs+.
9597 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9599 * calls.c (special_function_p): New argument fork_or_exec.
9600 (expand_call): When profile_arc_flag is set and the function
9601 is in the fork_or_exec group, call __bb_fork_func first.
9602 * libgcc2.c, _bb module (__bb_fork_func): New function.
9603 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9605 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9606 * tree.h (special_function_p): Update prototype.
9608 2000-01-26 Richard Henderson <rth@cygnus.com>
9610 * alpha.c (alpha_split_tfmode_pair): New.
9611 * alpha-protos.h: Declare it.
9612 * alpha.md (abstf2, negtf2): New.
9613 (movtf insn): Add input G constraint.
9614 (movtf splitter): Use alpha_split_tfmode_pair.
9616 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9618 * i386/cygwin.h: PROTO -> PARAMS.
9620 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9622 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9623 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9624 using _Qp_cmp/_Q_cmp and testing the return value.
9625 (print_operand): Call reverse_condition_maybe_unordered if
9626 we are handling CCFPmode or CCFPEmode.
9627 Handle ORDERED, UN* and LTGT comparisons.
9628 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9629 if not TARGET_HARD_QUAD.
9630 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9631 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9632 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9633 Adjust gen_b* calls so that they reflect return comparison of
9634 sparc_emit_float_lib_cmp.
9636 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9638 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9639 incoming operands array is large enough for one more operand.
9640 (alpha_emit_xfloating_arith): Likewise.
9642 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9644 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9645 file with one line and no trailing newline.
9646 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9647 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9648 checking if the match is on the line.
9649 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9651 2000-01-25 Richard Henderson <rth@cygnus.com>
9653 * sparc.c (output_cbranch): Fix accidental squashing of the
9654 fp branch pre-delay nop.
9656 2000-01-25 Richard Henderson <rth@cygnus.com>
9658 * tree.def (UNNE_EXPR): Remove.
9659 * c-typeck.c (build_binary_op): Don't handle it.
9660 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9662 * rtl.def (UNNE): Remove.
9664 * jump.c (reverse_condition): Update accordingly.
9665 (swap_condition): Likewise.
9666 (comparison_dominates_p): Handle unordered comparisons.
9667 (reverse_condition_maybe_unordered): New.
9668 * rtl.h (reverse_condition_maybe_unordered): Declare.
9670 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9671 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9672 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9673 * sparc.md (bltgt): New.
9675 2000-01-25 Nick Clifton <nickc@redhat.com>
9677 * emit-rtl.c (emit_insn): Only check machine class insns for
9678 improper emission of a RETURN.
9680 2000-01-25 Richard Henderson <rth@cygnus.com>
9682 * Makefile.in (flow.o): Depend on $(EXPR_H).
9683 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9684 duplicate the structure of diddle_return_value for keeping regs live.
9686 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9688 * loop.c (current_loop_info): Delete.
9689 (consec_sets_invariant_p): Add loop argument, update callers.
9690 (get_condition_for_loop): Likewise.
9691 (count_nonfixed_reads, update_giv_derive): Likewise.
9692 (simplify_giv_expr, general_induction_var): Likewise.
9693 (consec_sets_giv, recombine_givs): Likewise.
9694 (move_movables): Delete loop_start and loop_end arguments,
9695 add loop argument, and update callers.
9696 (find_mem_givs, check_final_value): Likewise.
9697 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9698 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9700 (basic_induction_var): Add loop argument, delete loop_level argument,
9702 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9703 add loop argument, and update callers.
9704 (find_splittable_regs, find_splittable_givs): Likewise.
9705 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9706 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9707 (biv_total_increment): Delete loop_start and loop_end arguments;
9709 (precondition_loop_p): Delete loop_start and loop_info arguments;
9711 * loop.h (get_condition_for_loop): Add loop argument.
9712 (biv_total_increment): Delete loop_start and loop_end arguments.
9713 (precondition_loop_p): Delete loop_start and loop_info arguments;
9715 (final_biv_value): Delete loop_start and loop_end arguments;
9717 (final_giv_value, back_branch_in_range_p): Likewise.
9719 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9721 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9723 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9725 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9726 point to the new "generated_files" doc.
9728 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9730 * config/fp-bit.c (_unord_f2): Fix typo.
9732 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9734 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9735 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9736 functions obsoleted by GC, such as push_obstacks_nochange,
9737 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9738 and code which existed only to decide whether or not to call
9739 them. Remove now-unused NESTED argument from start_function;
9740 all callers changed. Do not change behavior based on ggc_p.
9741 The use of the ixp_obstack in c-iterate.c and the util_obstack
9742 in objc/objc-act.c remain; these are not obsoleted by garbage
9744 * c-tree.h: Update prototype for start_function.
9746 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9748 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9750 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9753 2000-01-25 Richard Henderson <rth@cygnus.com>
9755 * sparc-protos.h (select_cc_mode): Declare.
9756 * sparc.c (select_cc_mode): New. Handle unordered compares.
9757 (output_cbranch): Always reverse via code change. Handle
9758 unordered compares. Factor tests and string updates.
9759 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9760 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9761 * sparc.md (bunordered, bordered): New.
9762 (bungt, bunlt, buneq, bunge, bunle): New.
9764 2000-01-25 Richard Henderson <rth@cygnus.com>
9766 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9767 * ggc-common.c (ggc_add_rtx_varray_root): New.
9768 (ggc_mark_rtx_varray): New.
9769 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9770 functions down below ggc_mark_foo.
9771 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9773 2000-01-25 Richard Henderson <rth@cygnus.com>
9775 * alpha.c (secondary_reload_class): Don't allocate a secondary
9776 for integral mode memories into FLOAT_REGS. Rearrange the more
9777 complicated memory expression inward.
9779 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9781 * inclhack.def: Fixes to play nicer with FreeBSD, and
9782 corrections to comments.
9783 (cxx_unready): Add select expression.
9784 (irix_sockaddr): Add bypass expression.
9785 (machine_ansi_h_va_list): New fix.
9786 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9787 Split out addition of "#include <stdarg.h>" to...
9788 (stdio_stdarg_h): ... here.
9789 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9790 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9791 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9793 (ultrix_ifdef): Tighten up select expression.
9795 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9796 re_ct and max_mach to avoid use of shell. Make printed names
9797 match names in inclhack.def. Use static copyright date.
9798 Don't count c_test and test expressions as requiring regex_t
9799 slots. Add some commentary.
9800 * inclhack.tpl: Do not include the 'This script contains N
9801 fixup scripts' line if PROGRAM is defined. Use static
9804 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9806 * dwarf2out.c: include "varray.h", not dyn-string.h.
9807 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9808 (addr_const_to_string, addr_to_string): Lose.
9809 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9810 (struct dw_val_struct): val_addr is now an rtx.
9811 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9812 (used_rtx_varray): New varray.
9813 (dwarf2out_init): Initialize it.
9815 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9817 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9818 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9819 * Makefile.in (dwarf2out.o): Update dependencies.
9821 2000-01-24 Richard Henderson <rth@cygnus.com>
9823 * i386.c (i386_dwarf_output_addr_const): New.
9824 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9826 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9828 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9829 * i386.c (i386_simplify_dwarf_addr): New.
9830 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9832 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9834 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9835 TYPE_STUB_DECL is NULL.
9837 2000-01-24 Richard Henderson <rth@cygnus.com>
9839 * builtins.c (expand_tree_builtin): Move ...
9840 * c-common.c (expand_tree_builtin): ... here.
9842 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9844 * loop.h (LOOP_INFO): New accessor macro.
9845 * basic-block.h (struct loop): Rename field `info' to `aux'.
9846 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9847 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9848 * unroll.c (loop_iterations, unroll_loop): Likewise.
9850 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9852 * config/i386/t-cygwin: Accomodate new winsup directory layout
9853 when searching for include files.
9855 2000-01-24 Richard Henderson <rth@cygnus.com>
9857 * rtl.def: Add unordered fp comparisions.
9858 * tree.def: Likewise.
9859 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9861 * builtins.c (expand_tree_builtin): New function.
9862 * c-typeck.c (build_function_call): Use it.
9863 (build_binary_op): Support unordered compares.
9864 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9866 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9867 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9868 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9869 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9870 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9872 (swap_condition): Handle unordered compares.
9873 (thread_jumps): Check can_reverse before reversing.
9874 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9877 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9878 setcc is present before acking for cmp_optab. Update all callers.
9879 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9880 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9881 * expr.c (expand_expr): Likewise. Support unordered compares.
9882 (do_jump, do_store_flag): Likewise.
9883 * expr.h (enum libfunc_index): Add unordered compares.
9885 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9886 (DPBIT_FUNCS): Add _unord_df.
9887 * config/fp-bit.c (_unord_f2): New.
9888 * fp-test.c (main): Try unordered compare builtins.
9890 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9891 * alpha.c (alpha_comparison_operator): Check mode properly.
9892 (alpha_swapped_comparison_operator): Likewise.
9893 (signed_comparison_operator): Likewise.
9894 (alpha_fp_comparison_operator): New.
9895 (alpha_emit_conditional_branch): Handle unordered compares.
9896 * alpha.h (PREDICATE_CODES): Update.
9897 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9898 (bunordered, bordered): New.
9900 2000-01-24 Richard Henderson <rth@cygnus.com>
9902 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9903 * alpha.md (movtf): New expander, insn, and splitter.
9905 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9907 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9910 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9912 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9913 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9914 REG_ALLOC_ORDER): Add frame pointer
9915 (FRAME_POINTER_REGNUM): Set to 20
9916 (HARD_FRAME_POINTER_REGNUM): New macro.
9917 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9918 to HARD_FRAME_POINTER.
9919 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9920 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9921 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9922 (HI_REGISTER_NAMES): Add "frame".
9923 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9924 (debug_reg): Handle FRAME_POINTER_REGNUM.
9925 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9926 GENERAL_REGS and INDEX_REGS.
9927 * i386.c (SAVED_REGS_FIRST): new macro.
9928 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9929 (ix86_decompose_address, memory_address_length): Likewise.
9930 (regclass_map): Add frame pointer.
9931 (call_insn_operand): Handle frame_pointer_rtx.
9932 (reg_no_sp_operand): Likewise.
9933 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9934 (print_operand, legitimize_pic_address): Fix formating.
9935 (ix86_compute_frame_size): Make static, update prototype, new
9936 parameters padding1, padding2, use ix86_nsaved_regs, use
9937 stack_alignment_needed.
9938 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9939 to HARD_FRAME_POINTER_REGNUM conversions.
9940 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9941 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9942 (print_reg): Abort on FRAME_POINTER_REGNUM
9944 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9946 * i386.h (PREDICATE_CODES): Add aligned_operand.
9947 * i386.c (aligned_operand): New function.
9948 (ix86_aligned_p): Kill.
9949 * i386.md (movhi_1): Emit mov for aligned operands.
9950 (promoting peep2s): Use aligned_operand.
9952 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9954 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9955 expression to allow underscores in macro names.
9956 (fix_char_macro_defines): Increment scanning pointer.
9958 2000-01-23 Richard Henderson <rth@cygnus.com>
9960 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9961 * alpha/osf5.h: New file.
9962 * configure.in (alpha-*-osf5): Add it to tm_file.
9964 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9966 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9967 (alpha_emit_xfloating_cvt, function_arg): Declare.
9968 * alpha.c (alpha_emit_conditional_branch): Call
9969 alpha_emit_xfloating_compare for TFmode compares.
9970 (alpha_lookup_xfloating_lib_func): New.
9971 (alpha_compute_xfloating_mode_arg): New.
9972 (alpha_emit_xfloating_libcall): New.
9973 (alpha_emit_xfloating_arith): New.
9974 (alpha_emit_xfloating_compare): New.
9975 (alpha_emit_xfloating_cvt): New.
9976 (print_operand): Add default abort case.
9977 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9978 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9979 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9980 (RETURN_IN_MEMORY): True for TF/TCmode.
9981 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9982 (FUNCTION_ARG): Move to function_arg.
9983 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9984 (ASM_OUTPUT_LONG_DOUBLE): New.
9985 (ASM_OUTPUT_DOUBLE): Always output bits.
9986 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9987 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9988 (extenddftf2, trunctfdf2): New.
9990 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9992 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9993 * config/sparc/sol2.h: ... here.
9995 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9997 * basic-block.h (struct loops): New field `levels'.
9998 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9999 (flow_loop_level_compute): Initialise level to 1.
10000 (flow_loops_find): Set loops->levels.
10001 (flow_loops_dump): Print loops->levels.
10003 2000-01-23 Richard Henderson <rth@cygnus.com>
10005 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10006 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10008 2000-01-23 Richard Henderson <rth@cygnus.com>
10010 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10011 * i386.h (DBX_REGISTER_NUMBER): Use them.
10012 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10013 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10014 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10015 * i386/sequent.h: Kill incorrect comment.
10017 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10019 * ggc-page.c (struct page_entry): Make `context_depth' an
10021 (struct globals): Likewise.
10023 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10025 * loop.c (check_dbra_loop): When checking a loop for
10026 reversability, check the source of any stores to ensure
10027 they don't depend on an initial value.
10029 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10031 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10033 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10035 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10036 'pz_scan' into scope of entire function. Only affects
10037 compiles with -DDEBUG.
10039 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10041 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10042 section naming to that prior to 2000-01-07 patch.
10043 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10044 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10045 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10046 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10047 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10049 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10051 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10054 2000-01-21 Jim Wilson <wilson@cygnus.com>
10056 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10057 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10059 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10061 * cpphash.c (change_newlines): Delete function.
10062 (struct argdata): Delete 'newlines' and 'use_count' fields.
10063 (macroexpand): Remove code referencing those fields.
10065 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10067 * loop.c (loops_info): New variable.
10068 (loop_optimize): Allocate loops->array and free it on exit.
10069 Allocate memory for loops_info and assign to each loop,
10071 (find_and_verify_loops): Do not allocate loops->array.
10073 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10075 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10077 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10079 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10080 pseudos if expanded after first flow.
10081 (movdi_pic_label_ref): Likewise.
10083 2000-01-20 Richard Henderson <rth@cygnus.com>
10085 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10087 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10089 * Makefile.in (fixinc.sh): Depend on specs.
10090 * fixinc/Makefile.in: Add rule to create machname.h.
10091 (fixlib.o): Depend on machname.h.
10092 * fixinc/fixtests.c (machine_name): New test.
10093 * fixinc/fixfixes.c (machine_name): New fix.
10094 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10095 the machine_name test and fix.
10096 * fixinc/fixlib.h: Prototype it.
10097 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10098 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10100 * gcc.c (do_spec_1) [case P]: Take care not to create
10101 identifiers with three leading or trailing underscores.
10103 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10104 (fixincl): Don't specify libraries twice on link line.
10105 (gnu-regex.o): Remove special rule.
10106 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10107 defined by config.h. Do not define _REGEX_RE_COMP.
10108 (regcomp): Allocate and initialize a fastmap.
10109 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10111 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10113 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10115 2000-01-19 Richard Henderson <rth@cygnus.com>
10117 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10118 arguments with BB. Update all callers. Tidy line wrapping.
10120 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10122 * emit-rtl.c (try_split): Return last_insn if we split the
10125 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10127 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10128 (ix86_initial_elimination_offset): Declare.
10129 * i386.c (ix86_nsaved_regs): Break out from ...
10130 (ix86_can_use_return_insn_p): ... here.
10131 (ix86_emit_save_regs): Break out from ...
10132 (ix86_expand_prologue): ... here.
10133 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10135 (ix86_expand_epilogue): ... here.
10136 (ix86_compute_frame_size): Make static, add prototype.
10137 (ix86_initial_elimination_offset): Break out from ...
10138 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10140 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10142 * recog.h (OUT_FCN): Delete.
10144 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10146 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10148 * cppalloc.c: PROTO -> PARAMS.
10149 * cpperror.c: Likewise.
10150 * cppfiles.c: Likewise.
10151 * cpplib.c: Likewise.
10152 * cpplib.h: Likewise.
10154 * config/arm/arm-protos.h: PROTO -> PARAMS.
10155 * config/arm/arm.c: Likewise.
10156 * config/c4x/c4x.c: Likewise.
10157 * config/fr30/fr30-protos.h: Likewise.
10158 * config/nextstep.c: Likewise.
10159 * config/pa/pa.c: Likewise.
10160 * config/pj/pj.c: Likewise.
10161 * config/rs6000/rs6000.c: Likewise.
10162 * config/v850/v850-protos.h: Likewise.
10163 * config/v850/v850.c: Likewise.
10165 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10167 * i370-protos.h: New file.
10169 * i370.c: Include tm_p.h. Fix compile time warnings.
10171 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10174 * i370.md: Likewise.
10176 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10178 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10179 (target_isinf, target_isnan, eisnan): Mark parameter with
10181 (eiisinf): Wrap in INFINITY.
10182 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10183 (ibmtoe): Remove unused variable `rndsav'.
10185 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10187 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10188 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10190 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10192 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10193 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10194 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10196 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10197 Recognize Emacs mode markers also.
10198 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10199 C++ comments in C++ headers. Call is_cxx_header only if
10202 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10203 bypass for ncurses.
10204 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10205 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10206 ... these, which use the new C fixes.
10207 (math_exception): Escape literal '+' in bypass expression.
10209 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10212 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10214 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10217 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10219 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10220 prior to calling scan_loop.
10222 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10224 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10225 (split_branches, calc_live_regs): Likewise.
10227 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10229 * sh.md (fpu_single, fp_mode): New attributes.
10231 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10233 * loop.c (current_loop_info): Renamed from loop_info_data
10234 and changed to a pointer.
10235 (loop_optimize): Allocate loop_info structure for each loop
10236 and initialise to zero.
10237 (scan_loop): Set current_loop_info.
10239 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10242 2000-01-19 Richard Henderson <rth@cygnus.com>
10244 * stupid.c: Die die die.
10245 * Makefile.in (OBJS): Remove stupid.o.
10246 (stupid.o): Likewise.
10248 * except.c (emit_eh_context): Don't emit USEs for stupid.
10249 * explow.c (probe_stack_range): Likewise.
10250 * flags.h (obey_regdecls): Remove.
10251 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10252 when not optimizing.
10253 (life_analysis): Limit data collection when not optimizing.
10254 (mark_regs_live_at_end): Always mark the return value registers.
10255 (mark_used_regs): Remove dummy RETURN case.
10256 (print_rtl_with_bb): Don't consult obey_regdecls.
10257 * function.c (use_variable, use_variable_after): Remove.
10258 (assign_parms): Consult optimize not obey_regdecls.
10259 (expand_function_start): Don't emit USEs for stupid.
10260 (expand_function_end): Likewise.
10261 * global.c (build_insn_chain): Export.
10262 * integrate.c (expand_inline_function): Kill return-value USE
10264 * jump.c (jump_optimize_1): Do simple jump optimizations and
10265 dead code elimination.
10266 (calculate_can_reach_end): Remove check_deleted argument.
10267 (delete_insn): Patch out insns even when not optimizing.
10268 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10269 * rtl.h (use_variable, use_variable_after): Remove declarations.
10270 (build_insn_chain): Declare.
10271 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10272 (expand_end_bindings): Likewise.
10273 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10274 * toplev.c (obey_regdecls): Remove.
10275 (rest_of_compilation): Don't set it. Kill stupid in favour of
10276 flow1, local-alloc, and reload.
10277 (main): Don't set obey_regdecls.
10279 * config/nextstep.c (handle_pragma): Likewise.
10281 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10283 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10285 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10287 * alpha-protos.h: PROTO -> PARAMS.
10288 * alpha.c: Likewise.
10290 * h8300.c: Likewise.
10291 * i386-protos.h: Likewise.
10292 * i386.c: Likewise.
10293 * m32r-protos.h: Likewise.
10294 * m32r.c: Likewise.
10295 * mips.c: Likewise.
10296 * mips.md: Likewise.
10297 * gmon-sol2.c: Likewise.
10298 * sparc.c: Likewise.
10300 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10302 * ns32k-protos.h: New file.
10304 * ns32k.c: Fix compile time warnings.
10306 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10309 * ns32k.md: Likewise.
10311 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10313 * vax-protos.h: New file.
10315 * vax.c: Fix compile time warnings.
10317 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10320 * vax.md: Likewise.
10322 * vaxv.md: Likewise.
10324 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10326 * romp-protos.h: New file.
10328 * romp.c: Fix compile time warnings.
10330 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10333 * romp.md: Likewise.
10335 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10337 * we32k-protos.h: New file.
10339 * we32k.c: Fix compile time warnings.
10341 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10344 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10346 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10348 * except.c (eh_regs): Likewise.
10350 * final.c (output_operand): Likewise.
10352 * fold-const.c (target_isinf, target_isnan): Likewise.
10354 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10356 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10357 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10359 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10360 when optimize_size.
10361 (clrstrsi): Rewrite.
10362 (strsethi, strsetqi): New expanders.
10363 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10364 (cmpstrsi): Emit compare insn before cmpstrsi_1
10365 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10366 (strlensi_1): Likewise.
10367 (cmpstrsi_1): Likewise; do not output compare.
10368 (strlen expander): Do not unroll when optimizing for size.
10369 (*subsi3_carry): Rename to subsi3_carry
10370 (addqi3_cc): New pattern.
10371 * i386.h (processor_costs): Add move_ratio field.
10372 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10373 * i386.c (*_cost): Set move_ratio.
10374 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10375 (x86_expand_strlensi_1): Rewrite the main loop.
10377 2000-01-17 Richard Henderson <rth@cygnus.com>
10379 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10380 * cse.c (find_comparison_args, fold_rtx): Likewise.
10381 * integrate.c (subst_constants): Likewise.
10382 * loop.c (get_condition): Likewise.
10384 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10386 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10388 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10390 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10391 (RESTORE_WARN_FLAGS): Unpack it.
10392 Change semantic type of extension to ttype.
10393 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10394 * c-parse.y, c-parse.c, objc/objc-parse.y,
10395 objc/objc-parse.c: Regenerate.
10397 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10399 * fixinc/fixlib.c: Add copyright notice.
10400 (compile_re): New function.
10401 * fixinc/fixlib.h: Prototype compile_re.
10403 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10404 Use compile_re to compile regular expressions.
10406 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10407 where the pattern matched.
10409 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10411 (ultrix_ansi_compat): Likewise.
10412 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10414 (interactv_add2, interactv_add3): Delete.
10415 (x11_sprintf): Don't use filename glob.
10416 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10419 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10421 * print-rtl.c: PROTO -> PARAMS.
10422 * real.c: Likewise.
10423 * reg-stack.c: Likewise.
10424 * resource.c: Likewise.
10425 * sdbout.h: Likewise.
10426 * simplify-rtx.c: Likewise.
10427 * stor-layout.c: Likewise.
10428 * stupid.c: Likewise.
10429 * xcoffout.c: Likewise.
10430 * xcoffout.h: Likewise.
10432 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10434 * toplev.c: PROTO -> PARAMS.
10435 * toplev.h: Likewise.
10436 * tree.c: Likewise.
10437 * tree.h: Likewise.
10438 * unroll.c: Likewise.
10439 * varasm.c: Likewise.
10440 * varray.c: Likewise.
10441 * varray.h: Likewise.
10443 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10445 * reload.c: PROTO -> PARAMS.
10446 * reload.h: Likewise.
10447 * reload1.c: Likewise.
10448 * reorg.c: Likewise.
10449 * resource.h: Likewise.
10452 * rtlanal.c: Likewise.
10453 * sbitmap.h: Likewise.
10454 * sdbout.c: Likewise.
10455 * stack.h: Likewise.
10456 * stmt.c: Likewise.
10457 * system.h: Likewise.
10459 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10461 * machmode.h: PROTO -> PARAMS.
10462 * mbchar.h: Likewise.
10463 * mips-tdump.c: Likewise.
10464 * mips-tfile.c: Likewise.
10465 * optabs.c: Likewise.
10466 * output.h: Likewise.
10467 * prefix.c: Likewise.
10468 * profile.c: Likewise.
10469 * protoize.c: Likewise.
10470 * real.h: Likewise.
10471 * recog.c: Likewise.
10472 * recog.h: Likewise.
10473 * regclass.c: Likewise.
10474 * regmove.c: Likewise.
10475 * regs.h: Likewise.
10477 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10479 * ggc-common.c: PROTO -> PARAMS.
10480 * ggc-page.c: Likewise.
10481 * ggc-simple.c: Likewise.
10483 * global.c: Likewise.
10484 * graph.c: Likewise.
10485 * gthr-win32.h: Likewise.
10486 * haifa-sched.c: Likewise.
10487 * halfpic.h: Likewise.
10488 * integrate.c: Likewise.
10489 * integrate.h: Likewise.
10490 * jump.c: Likewise.
10492 * local-alloc.c: Likewise.
10493 * loop.c: Likewise.
10494 * loop.h: Likewise.
10496 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * genattr.c: PROTO -> PARAMS.
10499 * genattrtab.c: Likewise.
10500 * gencheck.c: Likewise.
10501 * gencodes.c: Likewise.
10502 * genconfig.c: Likewise.
10503 * genemit.c: Likewise.
10504 * genextract.c: Likewise.
10505 * genflags.c: Likewise.
10506 * gengenrtl.c: Likewise.
10507 * genopinit.c: Likewise.
10508 * genoutput.c: Likewise.
10509 * genpeep.c: Likewise.
10510 * genrecog.c: Likewise.
10512 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10514 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10516 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10518 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10519 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10520 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10521 * configure, config.in: Rebuilt.
10523 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10525 * config/i386/i386.md: Add peephole to merge successive stack
10528 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10530 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10531 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10532 when walking backwards to find all the parameter loads when
10533 the basic block ends in a call.
10535 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10537 * loop.c (this_loop_info): Delete.
10538 (uid_loop): Add in place of uid_loop_num. All uses updated.
10539 (loop_number_exit_count): Delete and replace with entry in loop
10540 structure. All uses updated.
10541 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10542 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10543 (loop_outer_loop): Likewise.
10544 (loop_invalid, loop_number_exit_labels): Likewise.
10545 (loop_used_count_register): Delete and replace with entry in
10546 loop_info structure.
10547 (find_and_verify_loops): Add loops argument.
10548 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10549 loop_end, etc. arguments with loop structure pointer. All callers
10551 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10552 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10553 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10554 (insert_bct): Likewise.
10555 (basic_induction_var): New argument level.
10556 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10557 vtop, and cont. Add used_count_register.
10558 (uid_loop): Delete declaration.
10559 (loop_number_exit_count): Likewise.
10560 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10561 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10562 (loop_outer_loop, loop_used_count_register): Likewise.
10563 (loop_invalid, loop_number_exit_labels): Likewise.
10564 (unroll_loop): Replace loop_start and loop_end arguments
10565 with loop structure pointer.
10566 (loop_precondition_p, loop_iterations): Likewise.
10567 Include basic-block.h.
10568 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10569 with loop structure pointer.
10570 (loop_precondition_p, loop_iterations): Likewise.
10571 * basic-block.h (struct loop): New entries vtop, cont,
10572 cont_dominator, start, end, top, scan_start, exit_labels,
10574 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10576 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10578 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10580 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10582 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10584 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10586 * pdp11-protos.h: New file.
10588 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10591 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10594 * pdp11.md: Likewise.
10596 * 2bsd.h: Likewise.
10598 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10600 * mn10300-protos.h: New file.
10602 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10605 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10608 * mn10300.md: Likewise.
10610 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10612 * mn10200-protos.h: New file.
10614 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10617 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10620 * mn10200.md: Likewise.
10622 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10624 * h8300-protos.h: New file.
10626 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10629 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10632 * h8300.md: Likewise.
10634 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10636 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10637 (asm_emit_uninitialised): Likewise.
10639 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10641 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10642 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10644 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10646 * config/mips/mips.c (override_options): Don't turn on extra
10647 alignment for mips16.
10649 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10651 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10652 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10655 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10657 * builtins.c (PAD_VARARGS_DOWN): Define.
10658 (std_expand_builtin_va_arg): Use the above macro.
10659 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10660 * tm.texi (Register Arguments): Document the above macro.
10662 2000-01-14 Nick Clifton <nickc@cygnus.com>
10664 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10665 that this function has not been used to emit a jump
10668 * jump.c (return_jump_1): Cope with being passed a null rtx.
10670 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10672 * eh-common.h: PROTO -> PARAMS.
10673 * emit-rtl.c: Likewise.
10674 * errors.c: Likewise.
10675 * errors.h: Likewise.
10676 * except.c: Likewise.
10677 * except.h: Likewise.
10678 * explow.c: Likewise.
10679 * expmed.c: Likewise.
10680 * expr.c: Likewise.
10681 * expr.h: Likewise.
10682 * final.c: Likewise.
10683 * fix-header.c: Likewise.
10684 * flow.c: Likewise.
10685 * fold-const.c: Likewise.
10686 * function.c: Likewise.
10687 * function.h: Likewise.
10689 * gcov-io.h: Likewise.
10690 * gcov.c: Likewise.
10691 * gcse.c: Likewise.
10693 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10695 * sh-protos.h: New file.
10697 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10698 Add static prototypes. Fix compile time warnings.
10700 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10704 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10706 * arc-protos.h: New file.
10708 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10711 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10714 * arc.md: Likewise.
10716 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10718 * dsp16xx-protos.h: New file.
10720 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10723 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10726 * dsp16xx.md: Likewise.
10728 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10730 * convex-protos.h: New file.
10732 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10735 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10738 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10740 * elxsi-protos.h: New file.
10742 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10745 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10748 * elxsi.md: Likewise.
10750 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10752 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10753 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10754 match the comment for MIPS16.
10756 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10758 * flow.c (split_edge): Do not call set_block_for_insn if we
10759 do not have a basic_block_for_insn structure.
10761 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10762 and destination functions are 32bit aligned within the trampoline.
10763 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10764 (TRAMPOLINE_ALIGNMENT): Define.
10766 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10767 (set (pc) (label_ref)), verify the change creates a valid insn.
10769 * fr30.c (call_operand): Tighten and rework to match rules for
10770 call RTL expressions.
10771 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10772 * fr30.md (call patterns): Improve constraints.
10774 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10776 * fr30.c (fr30_expand_epilogue): Revert last change.
10777 Use emit_jump_insn for the return insn.
10779 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10780 Stan Cox <scox@cygnus.com>
10782 * predict.c: New file. Preliminary infrastructure work for static
10783 branch prediction and basic block reordering.
10784 * basic-block.h: Add prototype for estimate_probability.
10785 * Makefile.in: Add rules for predict.o.
10787 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10789 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10790 * fixinc/*: Likewise.
10792 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10794 * cccp.c: PROTO -> PARAMS.
10795 * cexp.y: Likewise.
10796 * collect2.c: Likewise.
10797 * combine.c: Likewise.
10798 * convert.h: Likewise.
10800 * dbxout.c: Likewise.
10801 * dbxout.h: Likewise.
10802 * diagnostic.c: Likewise.
10803 * doprint.c: Likewise.
10804 * dwarf2out.c: Likewise.
10805 * dwarf2out.h: Likewise.
10806 * dwarfout.c: Likewise.
10807 * dwarfout.h: Likewise.
10808 * dyn-string.h: Likewise.
10810 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10812 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10813 macro conditionals guarding use.
10815 * dwarf2out.c: Include "tm_p.h".
10817 * function.c (locate_and_pad_parm): Mark parameter with
10819 (expand_function_end): Likewise for variable `context'.
10821 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10823 2000-01-13 Nick Clifton <nickc@cygnus.com>
10825 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10826 register to prevent compile time warnings.
10828 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10830 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10831 to avoid -Wtraditional warning.
10833 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10835 * 1750a-protos.h: New file.
10837 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10840 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10843 * 1750a.md: Likewise.
10845 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10847 * a29k-protos.h: New file.
10849 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10852 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10855 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10857 * clipper-protos.h: New file.
10859 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10862 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10865 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10867 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10869 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10871 * configure.in (--enable-new-gxx-abi): New option.
10872 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10873 * Makefile.in (GXX_ABI_FLAG): New variable.
10874 * configure: Regenerate.
10876 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10878 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10879 * tm.texi (FORCE_STRUCT_BLK): Document.
10880 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10882 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10884 * config/ns32k/ns32k.md: Revert Jan 9 change.
10886 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10887 to a mode-test, if the predicate is address_operand.
10889 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10891 * combine.c (if_then_else_cond): Be careful about what kinds
10892 of RTL expressions are passed to operand_subword.
10894 * flow.c (split_edge): If we have to insert a new jump, make
10895 sure to associate it with a basic block.
10897 * flow.c (commit_one_edge_insertion): A block with one successor
10898 can end in a JUMP_INSN that is not a simplejump.
10900 2000-01-12 Robert Lipe <robertl@sco.com>
10902 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10903 (BUILD_VA_LIST_TYPE): Define.
10904 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10907 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10909 * cccp.c (do_pragma): Add cast to (char *).
10911 2000-01-12 Richard Henderson <rth@cygnus.com>
10912 Fred Fish <fnf@be.com>
10913 Jason Merrill <jason@cygnus.com>
10915 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10916 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10917 * i386/beos-elf.h, i386/beos-pe.h: New files.
10919 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10920 * cross-make (SYSTEM_HEADER_DIR): Define using
10921 CROSS_SYSTEM_HEADER_DIR.
10923 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10924 (process_command): Use it.
10925 (main): Likewise. Kill trailing = from env vars.
10926 (build_search_list): Put it back.
10927 * collect2.c (main): Use LIBRARY_PATH_ENV.
10929 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10930 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10932 * tm.texi (Frame Layout): Document SMALL_STACK.
10933 * c-common.c (c_common_nodes_and_builtins): Check it.
10935 * system.h: Undef alloca after including glibc's <stdlib.h>,
10936 if USE_C_ALLOCA is defined.
10938 * gcc.c (set_input): New fn.
10939 (main): After all input files are compiled, reset the input file
10942 * aclocal.m4 (rindex, index): If already defined, don't attempt
10945 * ginclude/varargs.h: (__va_list__): Define ifndef.
10946 * ginclude/stdarg.h: Likewise.
10948 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10949 instead of unsigned char.
10951 * hash.h (true, false, boolean): Undef before enum.
10953 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10954 proper type of "HOST_WIDE_INT *", rather than their natural type of
10955 "unsigned HOST_WIDE_INT *".
10957 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10959 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10961 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10963 * regclass.c (choose_hard_reg_mode): Likewise.
10965 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10967 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10969 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10971 * c-common.c: PROTO -> PARAMS.
10972 * c-common.h: Likewise.
10973 * c-decl.c: Likewise.
10974 * c-iterate.c: Likewise.
10975 * c-lang.c: Likewise.
10976 * c-lex.c: Likewise.
10977 * c-lex.h: Likewise.
10978 * c-parse.in: Likewise.
10979 * c-pragma.c: Likewise.
10980 * c-pragma.h: Likewise.
10981 * c-tree.h: Likewise.
10982 * c-typeck.c: Likewise.
10983 * objc/objc-act.c: Likewise.
10984 * objc/objc-act.h: Likewise.
10986 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10988 * m88k-protos.h: New file.
10990 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10993 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10995 * m88k.md: Likewise.
10997 * tekXD88.h: Likewise.
10999 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11001 * m68k-protos.h: New file.
11003 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11006 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11008 * mot3300.h: Likewise.
11010 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11012 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11014 (extract_bitlist): Declare bitlen.
11016 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11018 * cccp.c: Accept and ignore -lang-fortran.
11020 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11021 qualifiers don't match at any level of pointerness.
11023 2000-01-12 Robert Lipe <robertl@sco.com>
11025 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11027 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11029 * reload1.c (reload_reg_unavailable): New static variable.
11030 (reload_reg_free_p): Test it.
11031 (reload_reg_free_for_value_p): Test it instead of
11033 (choose_reload_regs_init): Compute it.
11035 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11037 * reorg.c (fill_slots_from_thread): Check modified_in_p
11040 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11042 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11043 these nodes even if INTERNALS is not set.
11045 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11047 * gcse.c (delete_null_pointer_checks_1): Cope when
11048 get_condition cannot determine the condition.
11050 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11052 * toplev.h (set_message_length): Declare.
11054 * diagnostic.c (obstack_chunk_alloc): Define macro.
11055 (obstack_chunk_free): Likewise.
11056 (struct output_buffer): New data structure.
11057 (vmessage): Remove.
11058 (output_maximum_width): New variable.
11059 (doing_line_wrapping, set_message_length, init_output_buffer,
11060 get_output_prefix, output_space_left, emit_output_prefix,
11061 output_newline, output_append, output_puts, dump_output,
11062 vbuild_message_string, build_message_string, build_location_prefix,
11063 voutput_notice, output_printf, line_wrapper_printf,
11064 vline_wrapper_message_with_location): New functions. Implement
11065 automatic line wrapping.
11066 (v_message_with_decl): Make it handle automatic line wrapping.
11067 (v_error_with_file_and_line): Likewise.
11068 (v_warning_with_file_and_line): Likewise.
11069 (announce_function): Likewise.
11070 (default_print_error_function): Likewise.
11072 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11074 * cpplib.h (struct cpp_options): Change lang_asm to char.
11076 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11077 done in cpp_handle_option now.
11078 (initialize_builtins): Take out special case code used only by
11080 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11081 if -traditional. Recognize -lang-fortran and set
11082 lang_fortran, also turn off cplusplus_comments.
11083 (print_help): Document -lang-fortran.
11084 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11085 lang_asm. Ignore all directives other than `# 123 "file"' if
11087 (cpp_get_token): If -traditional, don't recognize directives
11088 unless the # is in column 1.
11089 (parse_string): If lang_fortran or lang_asm, silently
11090 terminate strings ('' or "") at end of line.
11091 Remove unnecessary braces.
11093 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11094 Richard Henderson <rth@cygnus.com>
11096 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11098 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11099 strict_low_part when possible.
11101 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11103 * alias.c: PROTO -> PARAMS.
11104 * basic-block.h: Likewise.
11105 * bitmap.c: Likewise.
11106 * bitmap.h: Likewise.
11107 * builtins.c: Likewise.
11108 * c-aux-info.c: Likewise.
11109 * caller-save.c: Likewise.
11110 * calls.c: Likewise.
11112 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11114 * Makefile.in (toplev.o): Depend on regs.h.
11116 * output.h (tdesc_section): Prototype.
11118 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11120 * sdbout.c: Include "tm_p.h".
11122 * toplev.c: Include "regs.h".
11124 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11126 * unroll.c (unroll_loop): Add EH support.
11128 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11130 * pa-protos.h: New file.
11132 * pa.c: Include recog.h and tm_p.h.
11133 (compute_zdepwi_operands, compute_movstrsi_length,
11134 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11135 find_addr_reg, import_milli): Add static prototypes.
11136 (pa_cpu_string, pa_arch_string): Constify a char*.
11137 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11138 (read_only_operand): Add argument `mode'.
11139 (singlemove_string, output_move_double, output_fp_move_double,
11140 output_block_move, output_and, output_ior, output_ascii,
11141 remove_useless_addtr_insns, milli_names, output_mul_insn,
11142 output_div_insn, output_mod_insn, output_arg_descriptor,
11143 output_cbranch, output_bb, output_bvb, output_dbra, ,
11144 output_millicode_call, output_call, hppa_encode_label,
11145 output_parallel_movb, output_parallel_addb): Constify a char*.
11146 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11147 (output_parallel_addb): Remove extra arg to `constrain_operands'
11149 * pa.h: Move all prototypes to pa-protos.h.
11150 (pa_cpu_string, pa_arch_string): Constify a char*.
11151 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11153 * pa.md: Call `function_label_operand' with mode argument.
11154 Likewise for `read_only_operand'.
11155 Fix nesting of parens in call to `symbolic_operand'.
11157 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11159 * i860-protos.h: New file.
11161 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11164 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11166 * i860.md: Likewise.
11168 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11170 * i386.md (movstrsi expander): Rewrite.
11171 (movstrsi_1 insn): Deleted.
11172 (strmovhi, strmovqi expander): New expanders.
11173 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11174 * i386.c (x86_single_stringop): New global variable.
11175 * i386.h (x86_single_stringop): Declare.
11176 (TARGET_SINGLE_STRINGOP): New macro.
11178 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11180 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11181 integer vararg POSTINCREMENT before the destination of the jump
11182 for the hard fp case.
11183 (function_arg_pass_by_reference): Pass a copy of CUM to
11186 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11187 for CONSTANT_ADDRESS_P above while loop for subreg.
11189 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11191 * flow.c (propagate_block): When a prologue/epilogue insn
11192 is marked dead, unconditionally clear libcall_is_dead and
11193 insn_is_dead, and only dump rtl if warnings aren't being
11196 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11198 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11199 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11200 (FIXED_REGISTERS): Set dirflag as fixed.
11201 (CALL_USED_REGISTERS): Set dirflag as used.
11202 (REG_ALLOC_ORDER): Set dirflag as last one.
11203 (DIRFLAG_REG): New macro.
11204 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11205 (HI_REGISTER_NAMES): Add dirflag.
11206 (DEBUF_PRINT_REG): Handle dirflag.
11207 * i386.md (type attribute): New cld and str types.
11208 (length_opcode attribute): Set cld and str to 1.
11209 (memory attribute): Set str to unknown - it is not clear from the
11211 (pent_np function unit): Prefixed string operations takes 12 cycles
11212 minimally; cld takes 2 cycles.
11213 (ppro_uops attribute): Str is "many" and cld is "few".
11214 (ppro_p0 unit): Handle cld here.
11215 (k6_alux unit): Handle cld and str types.
11216 (k6_load unit): It is ocupied by str opcodes.
11217 (k6_store unit): It is ocupied by str opcodes.
11218 (athlon_decode): Str is vector decoded.
11219 (athlon_ieu): Handle str and cld.
11220 (cld pattern): New.
11221 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11222 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11223 cmpstrsi_nz_1 insn): Do not output cld instruction
11225 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11227 * gcc.texi (G++ and GCC): Add Java and Chill.
11228 (Bug Critera): Don't list languages.
11230 * gcc.texi (Incompatibilities): No longer claim most C compilers
11233 * gcc.texi (G++ and GCC): Update other front-ends list.
11235 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11237 * i386.c (ix86_expand_setcc): Fix typo.
11238 (ix86_expand_movcc): Similarly.
11240 * Band-aid until haifa's bitset implementation is nuked.
11241 * haifa-sched.c (extract_bitlst): New parameter for size of the
11242 bitset in bits. All callers changed. Avoid looking at undefined
11243 bits in the bitset.
11244 (edgeset_bitsize): New variable.
11245 (schedule_region): Initialize edgeset_bitsize.
11247 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * Makefile.in (optabs.o): Depend on real.h
11250 (resource.o): Depend on insn-attr.h
11252 * builtins.c (result_vector): Wrap prototype in macro conditions
11253 governing definition and use.
11255 * c-common.c: Include tm_p.h.
11257 * c-lex.c: Likewise.
11259 * elfos.h: Constify a char*.
11261 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11262 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11263 parameter with ATTRIBUTE_UNUSED.
11265 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11268 * haifa-sched.c (schedule_insns): Mark parameter with
11271 * optabs.c: Include real.h.
11273 * real.h (ereal_atof): Add prototype arguments.
11275 * resource.c: Include insn-attr.h.
11277 * sdbout.c (sdbout_queue_anonymous_type,
11278 sdbout_dequeue_anonymous_types): Wrap in macro
11279 SDB_ALLOW_FORWARD_REFERENCES.
11280 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11283 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11285 * stupid.c: Include tm_p.h.
11287 * tree.c (real_value_from_int_cst): Mark parameter with
11290 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11292 * i960-protos.h: New file.
11294 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11297 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11299 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11301 * combine.c (expand_field_assignment): Do not discard SUBREGs
11302 while computing nonzero_bits.
11304 2000-01-09 Nick Clifton <nickc@cygnus.com>
11306 * config/arm/arm.c: Fix compile time warnings about signed vs
11307 unsigned constants.
11308 * config/arm/arm.h: Fix compile time warnings about signed vs
11309 unsigned constants.
11311 2000-01-09 Philip Blundell <philb@gnu.org>
11313 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11314 than `ldm' with only one register.
11315 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11318 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11321 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11323 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11326 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11328 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11329 assignment used as truth value.
11331 * function.c (assign_temp): Mark parameter `dont_promote' with
11332 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11333 PROMOTE_FOR_CALL_ONLY.
11335 * genrecog.c (write_subroutine): Mark variable `operands' with
11338 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11341 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11342 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11344 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11347 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11349 * config/c4x.h: Tidy up comments.
11350 * config/c4x.c: Likewise.
11352 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11354 * fold-const.c (lshift_double, rshift_double): Handle
11355 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11357 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11359 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11360 in prepare_function_start().
11362 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11364 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11365 longer allocate extra stack for function calls.
11367 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11369 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11371 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11373 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11375 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11377 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11378 * aix43.h: Revert Aug 2 change.
11379 (HAS_INIT_SECTION): Define, not visible yet.
11380 (LD_INIT_SWITCH): Define, not visible yet.
11381 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11383 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11385 * collect2.c (main): Expand ld2 size further.
11386 (export_object_lst): Cast assignment to avoid warning.
11387 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11388 (scan_prog_file, COFF): Do not collect initialization or
11389 finalization functions generated for entire shared object if
11390 init/fini support present.
11392 2000-01-07 Nick Clifton <nickc@cygnus.com>
11394 * config/elfos.h: Tidy up formatting of marcos. Make sure
11395 that .section directives are always prefixed by a tab.
11397 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11400 2000-01-07 Matt Austern <austern@sgi.com>
11402 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11405 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11407 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11409 (crtbegin.o, s-crtS): Likewise.
11411 2000-01-06 Richard Henderson <rth@cygnus.com>
11413 * alpha.md (adddi_2+1): Limit offset such that it will be
11414 loadable with a single ldah+lda pair.
11415 (adddi_2+2): Explicitly fail split if we can't make it work.
11417 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11419 * protoize.c: Conditionally include unistd.h.
11420 (IS_SAME_PATH_CHAR): New macro.
11421 (IS_SAME_PATH): New macro.
11422 (CPLUS_FILE_SUFFIX): New macro.
11423 (cplus_suffix): New static variable.
11424 (is_abspath): New static function.
11425 (in_system_include_dir): Handle DOS style pathnames.
11426 (file_could_be_converted): Likewise.
11427 (file_normally_convertible): Likewise.
11428 (directory_specified_p): Likewise.
11429 (file_excluded_p): Likewise.
11430 (abspath): Likewise.
11431 (shortpath): Likewise.
11432 (referenced_file_is_newer): Likewise.
11433 (save_def_or_dec): Likewise.
11434 (do_processing): Likewise.
11436 (edit_file): Likewise. Use rename instead of link.
11437 (rename_c_file): Likewise. Don't rename syscalls file.
11438 (munge_compile_params): Define null device for DOS based systems.
11439 (process_aux_info_file): Use binary mode if appliable.
11440 (edit_file): Likewise.
11441 * invoke.texi (Running Protoize): Document C++ suffixes used.
11443 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11444 IS_DIR_SEPARATOR macros.
11445 * collect2.c: Likewise.
11446 * cppinit.c: Likewise.
11447 * dwarf2out.c: Likewise.
11449 * gcov.c: Likewise.
11450 * prefix.c: Likewise.
11452 * toplev.c: Likewise.
11453 * system.h: And move to here.
11455 * prefix.c (update_path): Fix typo in variable name.
11457 2000-01-06 Richard Henderson <rth@cygnus.com>
11459 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11460 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11461 (count_reg_sets_1, count_reg_references): Likewise.
11462 (flow_loops_level_compute): Start counting actual loop depth at 1.
11463 (flow_loops_find): Likewise.
11464 * local-alloc.c (update_equiv_regs): Likewise.
11465 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11467 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11469 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11470 FIRST_PSEUDO_REGISTER
11471 * dwarf2out.c: Don't include frame.h
11472 * dwarfout.c: Likewise
11473 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11476 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11478 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11481 * i386.c (movsf splitter): Fix typo in my last checkin.
11483 2000-01-05 Nick Clifton <nickc@cygnus.com>
11485 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11486 own definition of this macro.
11487 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11488 flag_data_sections or UNIQUE_SECTION_P are true.
11490 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11491 unitialised data decls.
11493 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11494 being called for uninitialised data.
11496 * config/i386/interix.c (i386_pe_unique_section): Cope with
11497 being called for uninitialised data.
11499 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11500 for uninitialised data.
11502 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11503 for uninitialised data.
11505 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11506 for uninitialised data.
11508 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11509 (UNIQUE_SECTION_P): Always generate a unique section if
11510 flag_data_sections is true.
11511 (UNIQUE_SECTION): Also generate unique sections for
11512 uninitialised data.
11513 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11514 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11517 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11519 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11522 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11524 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11525 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11526 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11527 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11528 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11530 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11532 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11534 * c-decl.c (finish_enum): Simplify code to determine minimum and
11535 maximum values of the enum, and calculate the type. Remove check
11536 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11537 the DECL_INITIAL of each enumeration constant with a copy converted
11538 to the enumeration type. When updating variant types, don't bother
11539 updating the type itself.
11541 * c-typeck.c (build_binary_op): Simplify conditional expressions
11542 when weeding out spurious signed-unsigned warnings. Add new
11543 spurious warning category: if the unsigned quantity is an enum
11544 and its maximum value fits in signed_type(result_type). Update
11546 (build_conditional_expr): Warn here if one alternative is signed
11547 and the other is unsigned.
11549 2000-01-05 Nick Clifton <nickc@cygnus.com>
11551 * config/fr30/fr30.h: Remove extraneous comments.
11553 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11555 * reload1.c (choose_reload_regs): When disabling a reload, also
11556 set reload_spill_index to -1.
11558 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11560 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11562 (m68*-*-rtemself*): New target.
11563 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11564 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11565 (sparc*-*-rtemself*): New target.
11566 (sparc*-*-rtems*): Now elf not a.out.
11567 * config/i386/rtems.h: Include config/rtems.h.
11568 * config/i386/rtemself.h: Include config/rtems.h.
11569 * config/i960/rtems.h: Include config/rtems.h.
11570 * config/m68k/rtems.h: Include config/rtems.h.
11571 * config/m68k/rtemself.h: Include config/rtems.h.
11572 * config/mips/rtems64.h: Include config/rtems.h.
11573 * config/pa/rtems.h: Include config/rtems.h.
11574 * config/rs6000/rtems.h: Include config/rtems.h.
11575 * config/sh/rtems.h: Include config/rtems.h.
11576 * config/sh/rtemself.h: Include config/rtems.h.
11577 * config/sparc/rtems.h: Include config/rtems.h.
11578 * config/sparc/rtemself.h: Include config/rtems.h
11580 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11582 * final.c (shorten_branches): Correctly compute length of
11583 asms without operands.
11585 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11587 * configure.in: Add pj target.
11588 * configure: Regenerate.
11589 * config/pj: New directory.
11590 * config/pj/lib1funcs.S: New file.
11591 * config/pj/linux.h: New file.
11592 * config/pj/pj.c: New file.
11593 * config/pj/pj.md: New file.
11594 * config/pj/pjl.h: New file.
11595 * config/pj/t-pj: New file.
11596 * config/pj/xm-pj.h: New file
11598 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11600 * toplev.c (rest_of_compilation): Run shorten-branches before
11603 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11605 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11606 macros so that they're consistent with their names.
11607 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11608 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11610 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11612 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11613 modified inadvertently.
11615 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11617 * configure.in (v850*-*-rtems*): New target.
11618 * configure: Regenerate.
11619 * config/v850/rtems.h: New file.
11621 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11623 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11624 (__gthread_key_create): Likewise.
11625 (__gthread_key_dtor): Likewise.
11626 (__gthread_once): Fix logic.
11627 (__gthread_key_delete): Cast away constness.
11629 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11630 * invoke.texi: Document.
11631 * i386/mingw32.h (CPP_SPEC): Use.
11632 (LIBGCC_SPEC): Likewise.
11633 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11635 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11637 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11638 (HANDLE_PRAGMA_PACK): Undefine.
11639 (SLOW_UNALIGNED_ACCESS): Define.
11641 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11643 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11644 to default definition.
11645 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11646 (store_fixed_bit_field): Call macro with word_mode and alignment.
11647 (extract_bit_field): Call macro with relevant mode and alignment.
11648 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11649 to default definition.
11650 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11652 (move_by_pieces_ninsns): Likewise.
11653 (clear_by_pieces): Likewise.
11654 (emit_push_insn): Likewise.
11655 (store_field): Call macro with relevant mode and alignment.
11656 (expand_expr): Likewise.
11657 (expand_expr_unaligned): Likewise.
11659 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11660 (SLOW_UNALIGNED_ACCESS): Define.
11661 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11662 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11663 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11664 (toc_section): Likewise and .toc pseudo-op.
11665 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11667 (TEXT_SECTION_ASM_OP): Likewise.
11668 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11671 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11672 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11673 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11674 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11675 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11677 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11679 * regclass.c: Revert my Jan 4 change to loop cost computation.
11681 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11683 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11686 2000-01-04 Stan Cox <scox@cygnus.com>
11688 * haifa-sched.c (build_control_flow): Change unreachable simple
11689 loop test to check if current block has only one predecessor.
11690 (find_rgns): Initialize degree. Use dest as degree index, not src.
11692 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11694 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11696 * calls.c (expand_call): Likewise for
11697 `old_stack_arg_under_construction'.
11699 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11701 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11704 * gcc.c (execute): Likewise for `ut' and `st'.
11706 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11708 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11710 * jump.c (jump_optimize_1): Likewise for `temp2'.
11712 * local-alloc.c (block_alloc): Likewise for `r1'.
11714 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11716 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11717 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11719 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11722 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11723 and `goal_earlyclobber'.
11725 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11727 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11729 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11731 * unroll.c (copy_loop_body): Likewise for `copy'.
11733 * varasm.c (output_constructor): Likewise for `byte'.
11735 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11737 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11738 all FP constants for constant->reg moves.
11739 (ix86_split_to_parts): Try to convert memory address into immediate
11740 when available in the constant pool.
11741 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11743 (LEGITIMATE_CONSTANT_P): Return 1.
11744 * i386.md (pushsf): New splitter to convert constant pool memory
11745 reference to immediate.
11746 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11749 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11751 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11752 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11753 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11754 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11755 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11757 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11759 * ginclude/stdbool.h: Support compilation as C++.
11761 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11763 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11765 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11767 * regclass.c (regclass): Properly compute loop_cost. Adjust
11770 * regclass.c: Fix minor whitespace problems.
11772 2000-01-03 Anthony Green <green@cygnus.com>
11774 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11775 Restore the pic register if required.
11777 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11779 * c-common.c (format_char_info): Update comment.
11780 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11781 was recognized. Emit warning for formats new in ISO C99 only
11782 if flag_isoc9x is not set.
11784 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11786 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11788 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11790 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11791 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11792 (make_compound_operation): Choose cheaper alternative between
11793 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11795 * regclass.c (op_costs): Remove global variable.
11796 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11797 (record_operand_costs): Break out from ...
11798 (scan_one_insn): ... here.
11799 (dump_regclass): Make dumps nicer.
11800 (regclass): Dump preferrences choosed and changes done during passes.
11802 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11804 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11806 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11808 * config/sparc/sparc.c (gen_df_reg): New function.
11809 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11810 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11811 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11812 movtf_cc_reg_sp64+1): Use it.
11814 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11816 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11817 copied LABEL_DECLs.
11819 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11821 * config/i386/i386.c (ix86_expand_unary_operator): Function
11822 definition made void.
11823 (ix86_expand_binary_operator): Update outdated preceding comment.
11824 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11827 * config/i386/i386.c (override_options): Fix option-name typo.
11829 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11831 * system.h (CEIL): Define.
11832 * builtins.c (CEIL): Remove.
11833 * expmed.c (CEIL): Likewise.
11834 * expr.c (CEIL): Likewise.
11835 * stor-layout.c (CEIL): Likewise.
11837 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11839 * expr.c (store_constructor_field): Fix typo introduced with last
11842 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11844 * tree.h (BINFO_N_BASETYPES): New macro.
11846 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11848 * expmed.c (emit_store_flag): Prevent losing a pending stack
11849 adjust the same way we prevent losing queued increments.
11851 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11853 * function.c (update_temp_slot_address): Handle case where sum of
11854 temporary address plus offset in register is a valid address.
11856 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11858 * genrecog.c (change_state) Corrected typo.
11860 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11862 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11863 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11864 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11866 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11868 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11869 case, expand GT comparisons correctly. Fix a comment before this
11872 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11874 * dwarfout.c: Include "frame.h"
11875 * dwarf2out.c: Likewise.
11876 * Makefile.in (dwarfout.o): Depend on frame.h
11877 (dwarf2out.o): Likewise.
11879 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11881 Restore i386 binary compatibility in Dwarf EH info.
11882 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11883 value of FIRST_PSEUDO_REGISTER.
11884 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11885 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11886 * dwarfout.c (output_reg_number): Ditto.
11887 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11888 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11890 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11892 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11893 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11894 (<hack>_RE_CT): not needed
11895 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11896 rewritten to scan the file text once only
11897 "template<..." test added
11898 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11899 (is_cxx_header): declaration added
11900 * fixinc/fixtests.c(is_cxx_header): removed
11901 (apply_fix_p_t): removed
11902 (double_slash_test): is_cxx_header is only called once now
11903 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11904 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11905 within the templates.
11906 The borken spelling of "broken" was fixed.
11907 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11908 The default level depends on FIXINC_DEBUG.
11910 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11912 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11913 Otherwise provide a declaration for atexit.
11914 (init_dummy): Make sure dummy call to atexit is nevertheless
11915 called with correct number of args.
11917 * frame.c: Update comments referring to other files.
11919 * libgcc2.c: Likewise.
11921 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11923 * cse.c (free_element, get_element): Remove unused prototypes.
11925 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11928 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11931 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11933 * configure.in,configure: case arm for mn10200-*-* now sets
11934 float_format=i32 so that float.h will correctly claim "double"
11935 to be 32 bits. Ran autoconf to generate configure from .in file.
11937 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11939 * pa.md (conditional zero): If op1 is a register, force it into
11940 the same register as op0.
11942 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11944 * tree.h (BINFO_BASETYPES): Improve documentation.
11946 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11948 * configure.in (--enable-checking): Use a more portable `for'
11951 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11953 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11954 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11956 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11959 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11960 Delete descriptions.
11962 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11963 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11964 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11965 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11966 xm-svr4.h: Remove all instances of sys_siglist handling.
11968 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11970 * config/sparc/sparc.md (cmp_zero_qi,
11971 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11972 cmp_zero_extendqidi2_andcc_set): New patterns.
11974 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11976 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11977 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11978 (fpgnulib.c, xfgnulib.c): Add rules.
11979 * m68k/t-mot3300-gas: Likewise.
11981 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11983 * configure.in: Avoid [[ by using test and changequote. Add
11984 changequote required by 1999-12-14 change.
11985 * configure: Rebuild.
11987 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11989 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11991 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11993 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11994 * flow.c (find_use_as_address): Likewise.
11995 * function.c (fixup_var_refs_1): Likewise.
11996 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11997 * jump.c (invert_exp, redirect_exp): Likewise.
11998 * loop.c (replace_call_address): Likewise.
11999 (count_nonfixed_reads): Likewise.
12000 * rtlanal.c (modified_between_p): Likewise.
12001 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12002 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12003 * unroll.c (remap_split_bivs): Likewise.
12005 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12007 * diagnostic.c (v_message_with_decl): Use .* format specifier
12008 instead of building the format specifier width manually.
12010 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12011 determining whether to provide a prototype. Remove the
12012 sys_siglist clause in the conditional.
12014 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12016 * fold-const.c (operand_equal_p): Use memcmp to compare string
12018 Suggested by D. J. Bernstein
12020 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12022 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12023 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12025 * config/mips/mips.h (TARGET_64BIT): Likewise.
12026 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12027 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12028 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12029 dsps. Give routines proper names if SI/DI modes are not used.
12030 * longlong.h: Use DWunion instead of DIunion.
12032 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12034 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12035 GC_CHECKING, GC_ALWAYS_COLLECT.
12036 * configure.in: Allow --enable-checking with an argument
12037 listing check modes to enable.
12038 * config.in, configure: Rebuilt.
12039 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12040 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12041 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12042 ENABLE_GC_ALWAYS_COLLECT.
12043 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12045 * tree.h, tree.c: Change ENABLE_CHECKING to
12046 ENABLE_TREE_CHECKING throughout.
12048 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12050 * fold-const.c (fold_truthop): Properly check for FP RHS.
12052 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12054 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12055 * toplev.c (note_deferral_of_defined_inline_function): New
12056 function, split out from ...
12057 (rest_of_compilation): ... here. Use it.
12059 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12061 * expr.c (store_constructor): Don't call clear_storage if size is
12064 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12066 * Makefile.in (toplev.o): Depend on loop.h.
12068 * dwarfout.c: Include tm_p.h.
12070 * emit-rtl.c (restore_emit_status): Mark parameter with
12073 * final.c (final_scan_insn): Likewise.
12075 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12076 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12077 flow_depth_first_order_compute, flow_loop_pre_header_find,
12078 flow_loop_tree_node_add, flow_loops_tree_build,
12079 flow_loop_level_compute, flow_loops_level_compute,
12080 flow_loop_outside_edge_p): Add prototypes.
12081 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12083 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12084 Mark with ATTRIBUTE_NORETURN.
12086 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12088 * local-alloc.c (no_conflict_p): Likewise.
12090 * loop.c (insert_bct): Hide definitions of variables with hidden
12092 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12094 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12095 with ATTRIBUTE_UNUSED.
12096 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12097 (reg_scan): Likewise.
12099 * reload.c (find_reloads): Remove unused variables `changed'.
12101 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12103 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12104 Remove unused variable `insn'.
12106 * toplev.c: Include loop.h.
12107 (report_file_and_line): Remove unnecessary prototype.
12109 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12111 * unroll.c (biv_total_increment): Likewise.
12113 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12115 * reload1.c (emit_input_reload_insns): Restore old behaviour
12116 wrt. 'special' reloads.
12118 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12120 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12121 hash.h. (cse.c): Don't depend on hashtab.h.
12123 * cse.c: Don't include hashtab.h.
12124 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12126 * ggc-simple.c: Don't include hash.h.
12128 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12130 * dwarf2out.c (add_abstract_origin_attribute): Call
12131 gen_abstract_function on our function context.
12133 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12135 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12137 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12139 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12142 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12144 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12145 constraints to "a!r".
12147 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12149 * Makefile.in (calls.o): Depend on function.h.
12150 (alias.o): Likewise.
12152 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12154 * reload1.c (emit_reload_insns): Break out code and variables into...
12155 (input_reload_insns, other_input_address_reload_insns,
12156 other_input_reload_insns, input_address_reload_insns,
12157 inpaddr_address_reload_insns, output_reload_insns,
12158 output_address_reload_insns, outaddr_address_reload_insns,
12159 operand_reload_insns, other_operand_reload_insns,
12160 other_output_reload_insns): ... new static variables, and...
12161 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12162 do_output_reload): ... new functions.
12164 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12166 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12168 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12170 * md.texi: Add c4x constraints documentation.
12172 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12174 * config/i386/dgux.c (struct option): Rename to
12175 lang_independent_option.
12176 (struct m_options): Add description field.
12177 (output_options): Rename option type, add sep declaration, output
12178 ix86_cpu_string and ix86_arch_string only if set.
12179 (output_file_start): Rename option type.
12181 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12183 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12185 (libgcc2.a): Similarly.
12187 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12189 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12190 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12191 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12193 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12195 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12196 Remove redundant initialization of "frexpon" and "expon".
12198 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12200 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12202 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12203 (store_constructor_field, expand_expr): Pass new arg.
12205 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12207 * Makefile.in (explow.o): Depend on function.h.
12209 * stor-layout.c (set_sizetype): Fix typo.
12211 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12213 * function.c (cfun): Renamed from current_function. All users
12215 * function.h (cfun): Rename declaration as well.
12217 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12218 to be of type regset_head, not regset. All users changed by adding
12220 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12222 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12224 * config/c4x/rtems.h: New file.
12226 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12228 * reload1.c (spill_failure): Take class of failed reload as argument
12229 and print it. Caller changed.
12231 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12233 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12234 (TARGET_SWITCHES): Allow subtargets to default switches.
12235 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12237 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12239 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12242 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12244 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12245 * cppinit.c (cpp_handle_option): Likewise.
12247 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12248 determine when to define.
12250 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12252 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12253 cmove with mismatched test and data modes.
12255 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12257 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12260 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12262 * alias.c: Minor reformatting.
12263 * flow.c: Likewise.
12264 * regs.h: Likewise.
12265 * stor-layout.c: Likewise.
12266 * fold-const.c: Likewise.
12267 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12268 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12270 (size_int_wide): Cache nodes even if garbage collecting.
12271 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12272 of SAVE_EXPR has no side effects.
12273 * cse.c: Move a comment.
12274 * tree.c: Minor reformatting.
12275 (int_size_in_bytes): Return -1 if constant overflows.
12277 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12279 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12281 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12283 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12284 after any change to c-parse.in, even if objc-parse.y didn't
12287 1999-12-18 David S. Miller <davem@redhat.com>
12289 * toplev.c (rest_of_compilation): Restore BLOCK tree
12290 reconstruction and branch shortening changes lost in
12291 December 18th change.
12293 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12295 * config/arm/linux-elf.h: Change all instances of
12296 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12297 * config/arm/uclinux-elf.h: Likewise.
12299 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12301 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12302 v_message_with_decl, file_and_line_for_asm,
12303 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12304 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12305 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12306 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12307 pfatal_with_name, fatal_io_error, need_error_newline,
12308 last_error_function, last_error_tick, announce_function,
12309 default_print_error_function, print_error_function,
12310 report_error_function, fnotice, error_with_file_and_line,
12311 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12312 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12313 warning_with_decl, warning_for_asm, warning, pedwarn,
12314 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12316 (compile_file): Use fnotice instead of notice. Adjust call.
12318 * diagnostic.c: New file.
12320 * Makefile.in (OBJS): Include diagnostic.o
12321 (diagnostic.o): Define dependence.
12323 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12325 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12328 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12330 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12332 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12334 * fixtests.c (is_cxx_header): New fn, split out of
12336 (else_endif_label): Allow "#endif // comment" in C++ headers,
12337 as determined by is_cxx_header.
12338 * fixfixes.c (else_endif_label_fix): Update comment.
12339 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12341 * genfixes: Correct double thinko in commandline parsing.
12342 * hackshell.tpl: Generate correct sh syntax for bypass
12345 * inclhack.def (all): Whenever an inserted preprocessor
12346 conditional is split over multiple lines, use double
12347 backslashes in this file so the fixed header will be readable.
12349 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12350 and add bypass entry for correct version of this header.
12351 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12352 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12354 (hpux8_bogus_inlines): New fix, split from...
12355 (ultrix_atof_param) ... here.
12356 (math_expression): Add bypass entry keyed to glibc comment
12357 indicating the problem has been dealt with; disable
12358 unnecessary sed operations; update commentary.
12359 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12360 add select and bypass entries, simplify shell operation.
12361 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12363 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12364 ultrix_atof_param): Add select entry.
12365 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12366 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12367 comments with the fixes they describe.
12369 * c-parse.in (string action): Do not warn about ANSI string
12370 concatenation in system headers. Affects C parser only.
12371 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12373 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12375 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12376 compiling libgcc2 the macro depends always on arch cpp defines.
12378 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12380 * loop.c (insert_loop_mem): Don't record MEMs from inside
12383 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12385 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12387 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12388 notes too, create one when replacement failed, attempt to simplify
12390 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12391 or REG_EQUIV notes.
12393 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12395 * crtstuff.c (__dso_handle): Declare.
12396 (__cxa_finalize): Likewise.
12397 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12400 * invoke.texi: Document -fuse-cxa-atexit.
12402 * tree.h (ptr_type_node): Document.
12403 (const_ptr_type_node): Likewise.
12405 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12407 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12408 (optimize_reg_copy_2): Likewise.
12409 (optimize_reg_copy_3): Likewise.
12410 (fixup_match_2): Likewise.
12411 (regmove_optimize): Likewise.
12412 (fixup_match_1): Liekwise.
12414 * i386.md (HI to SImode promoting splitters): Rewrite.
12415 (pushsf mem peep2): New.
12416 (testhi to andhi peep2): Remove.
12417 * i386.h (x86_promote_QImode): New.
12418 (TARGET_PROMOTE_QImode): New.
12419 (PREDICATE_CODES): Add promotable_binary_operator.
12420 * i386.c (x86_promote_QImode0: New.
12421 (promotable_binary_operator): New.
12422 * i386-protos.h (promotable_binary_operator): New.
12424 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12426 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12428 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12430 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12431 * function.c (insert_block_after_note): Remove.
12432 (retrofit_block): Likewise.
12433 (identify_blocks): Fix indentation.
12434 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12435 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12436 * function.h (insert_block_after_note): Remove prototype.
12437 (retrofit_block): Likewise.
12438 * integrate.c (expand_inline_function): Don't call
12439 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12440 just expand_start_bindings. Use the block_map to remap old
12441 NOTE_BLOCKs to new ones.
12442 (integrate_decl_tree): Keep track of remapped blocks.
12443 * integrate.h (struct inline_remap): Add block_map.
12444 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12445 NOTE_BLOCK on the notes.
12446 (expand_start_bindings): Rename to ...
12447 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12448 (expand_end_bindings): Set NOTE_BLOCK.
12449 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12450 reconstruct the BLOCK tree.
12451 * tree.h (expand_start_bindings): Macroize. Call ...
12452 (expand_start_bindings_and_block): New function.
12454 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12456 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12457 to match the format.
12459 1999-12-16 David S. Miller <davem@redhat.com>
12461 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12462 the outputs is a SUBREG.
12463 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12466 * config/sparc/sparc.c (epilogue_renumber): Add default case
12469 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12471 * toplev.c (rest_of_compilation): Run branch shortening after
12474 * regclass.c (loop_depth): Remove
12475 (scan_one_insn): Do not handle LOOP_NOTE insns.
12476 (regclass): Go through basic blocks and set loop_cost
12478 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12480 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12482 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12484 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12485 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12486 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12488 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12490 * loop.c (insert_loop_mem): Ignore memory clobbers.
12492 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12495 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12497 * profile.c: Remove redundant #include "output.h".
12499 * h8300.md (HImode preinc peephole): Fix typo.
12501 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12503 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12504 (insert_block_after_note): Abort if we don't have a previous block.
12505 Remove FN parameter.
12506 * function.h: Adjust.
12508 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12510 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12511 argument more than once.
12513 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12515 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12517 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12519 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12521 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12523 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12524 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12525 update stack_alignment_needed.
12526 (prepare_function_start): Initialize stack_alignment_needed
12527 * function.h (struct function): Add field stack_alignment_needed.
12529 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12531 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12532 Handle live_throughout / dead_or_set instead of live_before /
12534 (save_call_clobbered_regs): Get register livenessinformation from
12535 chain->live_throughout.
12536 (add_stored_regs): New function.
12537 (insert_restore, insert_save): Add restored / saved registers to
12539 * global.c (reg_dies): New parameter chain.
12540 (reg_becomes_live): Third parameter is regs_set now.
12541 Changed all callers.
12542 (reg_dies): New parameter chain. Changed all callers.
12543 (build_insn_chain): Set live_throughout instead of
12544 live_before / live_after.
12545 * reload.h (struct insn_chain): Replace members live_before /
12546 live_after with live_throughout / dead_or_set.
12547 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12548 instead of live_before / live_after.
12549 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12550 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12551 (choose_reload_regs_init): Likewise.
12552 * stupid.c (current_chain, find_clobbered_regs): Delete.
12553 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12554 instead of chain->live_before / chain->live_after.
12555 (mark_hard_ref): New function.
12556 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12558 1999-12-15 David S. Miller <davem@redhat.com>
12560 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12562 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12564 * flow.c (calculate_loop_depth): Make global, remove prototype,
12565 rewrite to use new loop infrastructure.
12566 (find_basic_block): Remove calculate_loop_depth call.
12567 * toplev.c (rest_of_compilation): Call find_basic_block.
12568 * output.h (calculate_loop_depth): Declare.
12570 * flow.c (dump_flow_info): Dump loop_depth.
12571 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12573 (flow_loops_find): Initialize the loop_depth for each basic block.
12575 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12577 * tree.c (decl_function_context): Handle virtual functions.
12579 * tlink.c (scan_linker_output): Don't look in demangled name when
12580 looking for linker output keywords.
12582 * dwarfout.c (output_type): We can defer namespace-scope classes.
12584 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12586 * regclass.c (record_reg_classes): Update comment for merging
12587 register class preferences in reg->reg copies. Tighten conditions
12588 for merging register class preferences in reg->reg copies.
12590 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12592 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12594 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12596 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12597 (INIT_SECTION_ASM_OP): Delete.
12598 (FINI_SECTION_ASM_OP): Delete.
12599 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12601 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12603 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12604 the abstract origin wasn't emitted.
12606 * dwarf2out.c (class_scope_p): New fn.
12607 (gen_subprogram_die): Use it.
12608 (gen_variable_die): Use it. Tweak logic.
12609 (gen_struct_or_union_type_die): Check context_die to determine
12610 if we're function-local.
12611 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12613 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12615 * loop.c (check_dbra_loop): Can't reverse a biv that has
12616 maybe_multiple set.
12618 1999-12-14 Nick Clifton <nickc@cygnus.com>
12620 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12623 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12625 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12626 for givs made from biv increments.
12628 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12630 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12631 * alpha.c (override_options): Recognize -mcpu=ev67.
12632 * alpha.h (CPP_CPU_EV67_SPEC): New.
12633 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12634 (EXTRA_SPECS): Update.
12636 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12638 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12639 appropriate for -lang-c89 and -std=*.
12640 * cppinit.c (cpp_handle_option): Likewise.
12641 (new_pending_define): New, split out from cpp_handle_option.
12642 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12643 or enable trigraphs for -ansi/-std=*.
12645 * ginclude/stdarg.h (__va_copy): New.
12646 (va_copy): Don't define for C89.
12648 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12650 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12651 for long long multiply-accumulate.
12653 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12655 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12656 optimizing for size.
12658 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12660 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12661 if something changed. Back out that part of yesterday's changes.
12663 * loop.c (loop_max_reg): New static variable.
12664 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12666 (scan_loop): Call reg_scan_update whenever we may have added new
12667 registers, and update loop_max_reg.
12669 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12671 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12672 when source does not die.
12674 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12676 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12678 * config/sparc/linux64.h (TARGET_LIVE_G0,
12679 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12681 * config/sparc/linux.h (TARGET_LIVE_G0,
12682 TARGET_BROKEN_SAVERESTORE): Likewise.
12683 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12684 TARGET_BROKEN_SAVERESTORE): Likewise.
12686 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12687 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12689 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12690 as sparc64 block profiling register.
12691 * config/sparc/sparc.c (sparc_override_options): Allow block
12692 profiling with -m32.
12693 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12694 profiling register.
12695 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12696 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12697 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12699 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12701 * config/sparc/sparc.h: Likewise.
12702 * config/sparc/xm-sysv4-64.h: Likewise.
12703 * config/float-sparc.h: Likewise.
12704 * glimits.h: Likewise.
12705 * longlong.h: Likewise.
12707 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12708 (ASM_IDENTIFY_GCC): Remove.
12710 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12712 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12713 (simplify_logical): Likewise.
12715 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12717 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12718 * cppfiles.c (INO_T_EQ): Likewise.
12720 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12722 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12723 * i386/mingw32.h (LIB_SPEC): Likewise.
12724 (STARTFILE_SPEC): Likewise.
12725 * i386/uwin.h (LIB_SPEC): Likewise.
12726 (STARTFILE_SPEC): Likewise.
12728 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12729 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12731 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12733 * combine.c (combine_simplify_rtx): Fix order of checks for
12734 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12736 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12738 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12739 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12741 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12743 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12745 * regclass.c (inv_reg_alloc_order): New array.
12746 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12748 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12749 counted_for_groups, counted_for_nongroups. Add fields rld and
12751 * reload.c (push_secondary_reload): Don't set nongroup field of
12753 (push_reload): Likewise.
12754 (find_reloads): Delete code to compute nongroup fields.
12755 * reload1.c (reload_insn_firstobj): New static variable.
12756 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12758 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12759 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12760 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12762 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12764 (struct hard_reg_n_uses): Deleted.
12765 (potential_reload_regs): Deleted.
12766 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12767 (reload): Don't try to allocate reload registers if we already know
12768 we have to make another pass. Call select_reload_regs. Free memory
12769 starting with reload_firstobj when starting another pass.
12770 Don't allocate spilled_pseudos.
12771 (calculate_needs_all_insns): Call copy_reloads for an insn that
12772 needs reloads; don't call calculate_needs.
12773 (spill_cost): New static array.
12774 (used_spill_regs_local): New static variable.
12775 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12776 to compute potential_reload_regs.
12777 (find_reload_regs): Completely rewritten to use find_reg.
12778 (allocate_reload_reg): Don't test counted_for_groups or
12779 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12780 all cllers changed.
12781 (choose_reload_regs): Add fallback code that uses the existing
12782 register allocation from find_reload_regs.
12784 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12786 * flow.c (create_edge_list): Cast xmalloc return value.
12788 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12790 * doprnt.c: Remove incorrect comment closure.
12792 * cse.c: Fix a few minor whitespace goofs.
12794 1999-12-13 Don Bowman <don@pixstream.com>
12796 * mips/vxworks.h: Fix problem with comment termination.
12797 (EXTRA_SECTIONS): Add in_sbss.
12798 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12800 1999-12-12 David S. Miller <davem@redhat.com>
12802 * cse.c (struct cse_reg_info): Add hash_next member,
12803 reorder rest of struct for better packing on 64-bit
12805 (cse_reg_info_tree): Kill.
12806 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12807 REGHASH_FN): New custom pow2 hash mechanism.
12809 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12810 use a pow2 hash table.
12811 (get_cse_reg_info): Rework to use new REGHASH.
12812 (new_basic_block): Likewise, use HASH_SIZE, and inline
12814 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12815 and inline free_element call.
12816 (lookup_as_function, insert, flush_hash_table, invalidate,
12817 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12818 invalidate_for_call, use_related_value, find_comparison_args,
12819 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12820 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12821 get_element): Kill.
12823 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12825 * cse.c (cse_basic_block): Free qty_table consistently.
12827 1999-12-12 David S. Miller <davem@redhat.com>
12828 Jakub Jelinek <jakub@redhat.com>
12830 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12831 SUBREGs by hand, gen the appropriate hard reg directly.
12832 (movtf reg/mem split): Likewise and alter_subreg on destination
12834 (movtf mem/reg split): Similarly.
12835 (movdf_cc_sp64): Rename from hidden pattern.
12836 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12837 (movtf_cc_sp64, following split): New pattern and splitter.
12838 (movdf_cc_reg_sp64): Rename from hidden pattern.
12839 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12841 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12843 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12845 * loop.c (load_mems): Don't hoist written floating point mem
12848 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12850 * except.h (struct eh_queue): Add `next' pointer.
12851 (struct eh_status): Make x_ehqueue a pointer.
12852 (push_ehqueue): Declare.
12853 (pop_ehqueue): Likewise.
12854 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12856 (expand_fixup_region_end): Likewise.
12857 (expand_leftover_cleanups): Likewise.
12858 (push_ehqueue): Define.
12859 (pop_ehqueue): Likewise.
12860 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12861 than doing it inline.
12862 (expand_start_all_catch): Adjust now that ehqueue is a
12864 (mark_eh_queue): Mark all level of the queue.
12865 (mark_eh_status): Adjust now that ehqueue is a
12867 (init_eh_for_function): Allocate ehqueue.
12868 (free_eh_status): Free it.
12869 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12870 expansion for a fixup.
12872 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12874 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12876 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12877 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12878 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12879 function_ptr, getpagesize, __enable_execute_stack,
12880 __enable_execute_stack, __clear_insn_cache,
12881 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12882 _cleanup, _exit, __default_terminate, __terminate_func,
12883 __terminate, __empty, __throw, new_eh_context,
12884 eh_context_initialize, eh_context_static, eh_context_specific,
12885 get_eh_context, __get_eh_context, __get_eh_info,
12886 init_reg_size_table, eh_threads_initialize,
12887 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12888 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12889 __pure_virtual): Add prototype arguments.
12890 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12891 Cast a signed value to unsigned long when comparing against one.
12892 (new_eh_context): Wrap in _GTHREADS macro.
12893 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12895 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12896 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12898 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12900 * combine.c (record_promoted_value): Remove unused variable
12903 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12905 * global.c (record_conflicts): Likewise for `j'.
12907 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12910 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12912 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12913 output_fp_compare): Constify a char*.
12915 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12917 (override_options, ix86_comp_type_attributes, print_operand,
12918 output_387_binary_op, output_fix_trunc, output_fp_compare):
12920 (ix86_sched_reorder): Mark parameter `clock_var' with
12923 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12925 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12927 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12928 operand, for use in the Java front-end.
12930 1999-12-10 Ben Collins <bcollins@debian.org>
12932 * configure.in: Fix typo for "-64" in 64bit as check.
12933 * configure: Rebuilt.
12935 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12937 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12940 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12942 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12943 concatenation is utilized.
12945 * invoke.texi (-Wtraditional): Document it.
12947 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12949 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12950 Cast a ptrdiff_t to long and pass it to printf with %ld.
12952 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12954 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12955 68881, we have no 68881 registers at all.
12956 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12957 value in a 68881 register if it is available.
12959 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12961 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12962 for long long multiply-accumulate.
12964 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12966 * loop.c (insert_loop_mem): Undo last change.
12968 1999-12-10 David S. Miller <davem@redhat.com>
12970 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12972 * config/sparc/sparc-protos.h: Add them.
12973 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12974 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12975 constraints which use those helpers.
12976 (EXTRA_CONSTRAINT): Use this new macro.
12977 * md.texi: Update sparc target constraints documentation.
12978 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12979 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12980 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12981 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12982 (movsf high/lo_sum split): Rework for new patterns.
12983 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12985 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12987 * c-common.c (c_common_nodes_and_builtins):
12988 Create __builtin_ptrdiff_t and __builtin_size_t.
12990 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12992 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12994 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12996 * regclass.c (globalize_reg): Re-instate test that allows
12997 fixed registers to be declared as a variable even after functions
13000 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13002 * i386.md (cpu attribute): Add "athlon".
13003 (athlon_decode): New attribute.
13004 (Athlon scheduling units definitions): New.
13005 (fcmp and shld patterns): Set athlon_decode to "vector".
13006 * i386.c (athlon_cost): New.
13008 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13009 x86_use_sahf): Set for Athlon.
13010 (x86_use_fiop): Unset for Athlon.
13011 (override_options): Define Athlon alignments and "athlon" name.
13012 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13013 * i386.h (TARGET_ATHLON): New.
13014 (enum processor_type): Add PROCESSOR_ATHLON.
13015 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13017 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13019 1999-12-09 Andreas Jaeger <aj@suse.de>
13021 * loop.c (record_biv): Declare parameter as int.
13023 * config/i386/i386-protos.h: Declare long_memory_operand.
13025 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13027 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13028 EXPR_WITH_FILE_LOCATION.
13030 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13032 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13035 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13037 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13040 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13042 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13043 default on linux64 again.
13044 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13045 models for multilibing.
13046 * genmultilib: Accept | as alternative separator within a set in
13049 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13051 * calls.c (precompute_arguments): Make sure initial_value contains
13052 value pseudo which CSE expects.
13053 * cse.c (struct set): New entry orig_src.
13054 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13057 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13059 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13061 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13063 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13065 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13067 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13068 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13070 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13073 * longlong.h: Merge in changes from glibc.
13074 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13075 -mno-app-regs libgcc can be compiled.
13076 * libgcc2.c: Add defines so that the updated longlong.h
13077 can be used in libgcc2.a. Also, make sure on most architectures
13078 (at least on all which have optimized code in longlong.h defined
13079 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13081 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13083 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13084 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13085 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13087 * configure: Rebuilt.
13089 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13091 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13092 outputs require a register.
13094 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13096 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13097 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13098 functions like dptoul will be resolved.
13099 (libgcc2.a): Make sure that the object files from DPBIT are named
13100 differently (prefix `_dp') from those that would be coming from
13103 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13105 * configure.in: When target is sparc* and tm_file contains 64,
13106 test for 64bit support in assembler. If not supported, remove
13107 sparc/t-sol2-64 from target-dependent Makefile fragments.
13108 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13109 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13110 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13111 * acconfig.h (AS_SPARC64_FLAG): Added.
13112 * configure, config.in: Rebuilt.
13113 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13114 support. Use AS_SPARC64_FLAG.
13116 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13118 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13119 suitable for holding OFmode values so that gcc works with complex
13121 (hard_64bit_mode_classes): Likewise.
13123 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13124 so that it is actually matched.
13125 (sethi_di_medlow): Likewise.
13127 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13128 as legitimate constant if -mvis.
13129 * config/sparc/sparc.md (movtf): Likewise.
13130 (clear_sf): Use const_double_operand.
13131 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13133 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13134 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13135 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13136 routines, _Qp_* cannot be handled like that now.
13137 (INIT_TARGET_OPTABS): Likewise.
13138 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13139 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13140 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13141 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13142 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13143 divtf3, sqrttf3): New expanders.
13144 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13145 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13146 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13149 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13150 * configure: Rebuilt.
13151 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13152 -mcpu is given and we're doing 64bit compiles.
13154 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13156 * loop.h (struct induction): Add multi_insn_incr.
13157 * loop.c (basic_induction_var): New multi_insn_incr argument.
13158 Set it if we search back through previous insns for the biv.
13159 (record_biv): New multi_insn_incr argument; fill in struct induction.
13160 (strength_reduce): Discard an iv with multiple bivs, any of
13161 which require multiple insns to increment.
13163 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13165 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13168 1999-12-06 David S. Miller <davem@redhat.com>
13170 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13171 PROMOTE_FUNCTION_RETURN.
13173 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13175 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13176 and handle REG_UNUSED note on insn.
13178 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13179 inner_mask instead of mask.
13181 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13183 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13184 zero if there was an error.
13186 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13188 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13191 * longlong.h: Fix clobbers in SPARC asm statements.
13193 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13194 valid sethi operations when TARGET_ARCH64.
13196 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13197 always use move_by_pieces to avoid infinite recursion.
13198 (restore_fixed_argument_area): Likewise.
13200 * combine.c (check_promoted_subreg, record_promoted_value): New
13202 (combine_instructions): Use them to retain nonzero and sign bit
13203 information after SUBREGs are eliminated by optimizations in
13204 this pass if PROMOTE_FUNCTION_RETURN.
13206 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13207 .register declaration. Don't use variables with __ prefixes.
13209 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13211 * fold-const.c (optimize_bit_field_compare): Only use one mode
13212 for both RHS and LHS in non-constant case.
13214 1999-12-06 Nathan Sidwell <nathan@acm.org>
13216 * frame.c (start_fde_sort): Only allocate erratic array, if
13217 linear one was allocated. Return allocated flag.
13218 (fde_insert): Only insert, if there's a valid array.
13219 (fde_end_sort): Split, sort and merge if linear and erratic
13220 arrays exist, else just sort linear one.
13221 (search_fdes): New function. Linear search through original fde
13223 (frame_init): Permit multiple initializations. Cope with
13225 (find_fde): Fallback on linear search, if failed to sort array.
13226 (__deregister_frame_info): Only free sorted array, if we
13229 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13231 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13233 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13235 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13237 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13239 * tree.h (special_function_p): Declare.
13240 * calls.c (special_function_p): Make it global. Don't take `name'
13241 as a parameter. Fix typo in 1999-11-28 change.
13242 (expand_cal): Adjust.
13244 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13246 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13247 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13248 EXPR_WFL_FILENAME_NODE.
13249 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13251 * print-tree.c (print_note): Print TREE_PRIVATE and
13254 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13255 the original die cannot be found.
13257 * varray.h (varray_head_tag): Add elements_used.
13258 (VARRAY_PUSH): New macro.
13259 (VARRAY_POP): Likewise.
13260 (VARRAY_TOP): Likewise.
13261 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13263 * varray.c (varray_init): Initialize elements_used.
13264 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13265 (INTEGRATE_H): New variable.
13266 (integrate.o): Depend on INTEGRATE_H.
13267 (unroll.o): Likewise.
13269 * function.h (insert_block_after_note): Declare.
13270 * function.c (insert_block_after_note): Split out from ...
13271 (retrofit_block): ... here.
13273 * stmt.c (expand_fixup): Fix typo in comment.
13275 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13277 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13278 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13279 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13280 (regmove_optimize, fixup_match_1): Likewise.
13282 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13284 * flow.c (flow_loops_dump): Add missing argument when calling
13285 flow_loop_nested_p.
13287 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13288 Greg McGary <gkm@gnu.org>
13290 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13291 (init_attributes): Add A_NO_LIMIT_STACK.
13292 (decl_attributes): Handle A_NO_LIMIT_STACK.
13293 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13294 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13295 Handle stack bounds checking.
13296 * flags.h (flag_stack_check): Use the word 'probe' rather than
13297 'check', because the flag doesn't actually cause any checking to
13299 * function.c (expand_function_start): Set
13300 current_function_limit_stack.
13301 * function.h (struct function): Add limit_stack.
13302 (current_function_limit_stack): Define.
13303 * invoke.texi (Code Gen Options): Document new options.
13304 * rtl.h: Declare stack_limit_rtx.
13305 * toplev.c (stack_limit_rtx): New variable.
13306 (decode_f_option): Handle new options -fstack-limit-register=REG,
13307 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13308 (main): Add stack_limit_rtx as GC root.
13309 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13310 (struct tree_decl): New member no_limit_stack.
13312 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13314 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13315 (conditional_trap+1): Get new mnemonic correct.
13316 (conditional_trap+2): New pattern for DImode traps.
13318 * config/m68k/m68k.c (output_function_prologue): Handle
13320 * config/m68k/m68k.md (trap): New insn.
13321 (conditional_trap): New insn.
13322 * md.texi (Standard Names): Document `trap' and
13323 `conditional_trap'.
13324 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13325 so a cc0 setter doesn't get emitted at some random place in the
13328 * config/i960/i960.md (trap): New insn.
13329 (conditional_trap): New expander.
13330 (conditional_trap+1, conditional_trap+2): New insns for signed
13331 and unsigned cases.
13332 * config/i960/i960.c (i960_function_prologue): Use
13333 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13335 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13336 Geoffrey Keating <geoffk@cygnus.com>
13338 * flags.h (warn_padded, warn_packed): Add global var decls.
13339 * toplev.c (warn_padded, warn_packed): Add global var defns.
13340 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13341 * stor-layout.c (layout_record): Add local variable `type'
13342 to hold often-used TREE_TYPE (field). Add local variable
13343 `unpacked_align' to hold alignment that would be in force
13344 if no `packed' attribute were present. Warn if `packed' attribute
13345 is unnecessary, or even harmful. Warn when gcc inserts padding
13346 to satisfy alignment requirements of members. Use NULL_TREE
13347 when checking whether var_size is set.
13348 * invoke.texi: Document new flags.
13350 1999-12-03 Nathan Sidwell <nathan@acm.org>
13352 * frame.c (fde_split): Reimplement to avoid variable sized array.
13354 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13356 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13357 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13359 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13361 * invoke.texi: Document the mips option -mno-crt0
13363 1999-12-02 Mike Karr <mkarr@mathworks.com>
13365 * cccp.c (argdata): Added free_ptr member.
13366 (macroexpand): Initialize free_ptr of each argument. When an
13367 argument's buffers are freed, if the argument's free_ptr corresponds
13368 to a buffer on the input stack, then return the free_ptr to that stack
13369 frame, otherwise, free it.
13370 (macarg): If an argument begins and ends on the same input stack level,
13371 then transfer the free_ptr of that buffer to the argument in case
13372 the stack is popped during the processing of a subsequent argument.
13374 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13376 * loop.c (note_reg_stored): New function.
13377 (struct note_reg_stored_arg): New structure.
13378 (try_copy_prop): Change to be more conservative; only replace within
13379 one extended basic block and stop replacing if a store to the
13380 replacement reg is seen.
13382 1999-12-02 Nick Clifton <nickc@cygnus.com>
13384 * config/fp-bit.c: Initialise all fields of the NAN
13387 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13390 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13392 * i386.md (extend?f?f2): Force the input into a register, not
13395 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13397 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13399 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13400 alternative because setting up 64bit constant is usually costly,
13401 especially when reload is in progress or completed.
13402 (movdf_const_intreg_sp64): Likewise.
13403 (movdf_const_intreg split): Fix building up constants when
13404 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13406 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13408 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13409 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13412 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13413 (asm_file_start): Emit .am33 into assembly file when compiling for
13415 (print_operand_address): Handle POST_INC addresses.
13416 (can_use_return_insn, initial_offset): Check AM33 registers too.
13417 (expand_prologue): Check & save AM33 registers too.
13418 (expand_epilogue): Similarly.
13419 (secondary_reload_class): Handle AM33 specific secondary reloads.
13420 (output_tst): Emit efficient code for the AM33 too.
13421 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13422 (TARGET_SWITCHES): Add -mam33 switch.
13423 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13424 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13425 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13426 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13427 (enum reg_class, REG_CLASS_NAMES): Likewise.
13428 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13429 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13430 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13431 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13432 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13433 (HAVE_POST_INCREMENT): Define.
13434 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13435 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13436 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13437 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13438 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13439 (zero_extend to SI from QI/HI): Likewise.
13440 (sign_extend to SI from QI/HI): Likewise.
13441 (mulsidi3, umulsidi3): New patterns for the AM33.
13442 (tstsi with zero extension from QI/HI): Add AM33 variants.
13443 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13444 (return_internal_regs, store_movm): Handle new AM33 registers.
13445 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13446 (LIBGCC, INSTALL_LIBGCC): Likewise.
13447 * invoke.texi: Document new flags.
13449 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13451 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13452 (addsi3_carry): Likewise.
13453 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13454 (sbbsi3_carry): Likewise.
13455 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13456 (mulhi3): Likewise.
13457 (test?i_1): Ensure that only one operand is memory.
13458 (conditional move patterns): likewise.
13459 (shift and rotate patterns): Rewrite to expander, add
13460 "binary_operator_ok" to the condition.
13462 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13463 * i386.h (procesor_costs): Add movzbl_load field.
13464 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13465 non-Q registers, accept DImode registers anywhere.
13467 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13468 * i386.c (*_cost): Set value for movxbl_load field.
13470 * (addsi): New add to lea splitter.
13471 (ashlsi): Likewise.
13472 (lea to add/shift peep2): New.
13474 1999-12-01 Mark Salter <msalter@cygnus.com>
13476 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13477 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13478 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13480 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13482 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13483 * i386.md (movsi_xor): New.
13485 (movsi_1, movhi_1, movqi_1): Remove.
13486 (movsi_2): Rename to movsi_1.
13487 (movhi_2): Rename to movhi_1.
13488 (movqi_2): Rename to movqi_1.
13489 (movdi_1): Remove; remove splitter.
13490 (movdi_2): Rename to movdi_1.
13491 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13492 (long move peep2): Do not create QI or HI mode mov0s
13493 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13495 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13498 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13499 (abs?f2_if): Likewise.
13501 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13503 * ggc.h (ggc_test_and_set_mark): New macro.
13504 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13505 (ggc_mark_tree): Likewise.
13506 (ggc_mark_rtvec): Likewise.
13507 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13509 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13511 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13513 (decl_scope_table): Just an array of trees now.
13514 (push_decl_scope): Simplify.
13515 (dwarf2out_init): Adjust.
13516 (local_scope_p): New fn.
13517 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13518 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13519 (gen_typedef_die): Likewise.
13520 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13521 (gen_inlined_subroutine_die): Likewise.
13522 (gen_abstract_function): Set current_function_decl temporarily.
13523 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13524 Handle block extern declarations. Don't call push/pop_decl_scope.
13525 (gen_decl_die): Fix logic for block externs.
13527 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13529 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13530 to the list of functions which have attribute malloc by default.
13532 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13534 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13535 integer constant does not match the traditional type, limit the
13536 warnings to cases where the base of the type is ten.
13538 * invoke.texi (-Wtraditional): Document it.
13540 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13542 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13543 * rs6000.md: Only access a CONST_INT with INTVAL
13545 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13547 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13548 (compute_nearerout): Likewise.
13549 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13550 size_t to unsigned long for formatting.
13552 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13554 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13555 Allow the user to override call-used/fixed state of %g2-5
13556 registers from the command line (with the exception of %g4 for
13558 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13559 there is a higher chance of having a leaf function.
13560 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13561 for ARCH64 which has %ccr register.
13562 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13564 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13565 insn accept into delay slot any insn which does not use %[ol]
13566 registers. Accept some LO_SUM and shift left by 1 for the normal
13568 (output_function_epilogue): Likewise.
13569 (epilogue_renumber): Added argument which inhibits any renumbering
13570 and just tests if the rtx does not use any %[ol] registers.
13571 (output_return): Reflect above change.
13573 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13575 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13576 aggregate passing for sizes <= 16 bytes.
13578 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13580 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13581 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13582 * reload.c (find_dummy_reload): Likewise.
13583 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13584 * reload1.c (reload_as_needed): Likewise.
13585 * stupid.c (stupid_find_reg): Likewise.
13586 * tm.texi (Obsolete Register Macros): Delete section.
13587 * gmicro.h: Remove all traces of the two macros.
13588 * i386.h: Likewise.
13589 * m88k.h: Likewise.
13590 * mips.h: Likewise.
13592 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13594 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13595 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13596 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13597 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13598 units for the sparclite86x chip.
13599 (flush): Revert October 14th change; add SImode specifically.
13600 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13601 * invoke.texi: Document it.
13603 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13605 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13606 psimode_truncation_operand.
13608 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13609 function. Return true if the operand is either a MEM valid
13610 for a PSImode address or not a MEM at all.
13612 * config/mn10200/mn10200.md (truncsipsi2): Use
13613 psimode_truncation_operand.
13615 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13617 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13618 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13619 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13620 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13621 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13622 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13623 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13624 * basic-block.h: Protect from multiple inclusion.
13625 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13626 (struct loops, struct loop): Define structures.
13627 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13628 * sbitmap.h: Protect from multiple inclusion.
13629 (sbitmap_a_subset_b_p): Add prototype.
13630 * Makefile.in (LOOP_H): New macro.
13631 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13633 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13635 * cppinit.c (CAT): The argument list of this macro may not contain
13638 1999-11-29 David S. Miller <davem@redhat.com>
13640 Move quantity tables and register equivalence chains into
13641 per-qty and per-register structure arrays respectively.
13642 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13643 qty_const_insn, qty_comparison_code, qty_comparison_const,
13644 qty_comparison_qty): Delete, replace with...
13645 (qty_table): this structure table.
13646 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13647 (reg_eqv_table): this structure table.
13648 (make_new_qty): Add argument MODE. Caller updated.
13649 Update to use qty_table and reg_eqv_table.
13650 (make_regs_eqv, delete_reg_equiv, insert_regs,
13651 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13652 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13653 cse_process_notes, cse_main, cse_basic_block): Likewise.
13655 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13657 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13658 operation if C is negative.
13659 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13660 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13661 law for some divisions if constant is negative and change other
13662 divisions to the opposite rounding.
13664 * expr.c (store_constructor_field): If bit position is not multiple
13665 of alignment of TARGET's mode, use BLKmode.
13667 * expr.c (expand_expr_unaligned): Add more code from full case
13668 that is needed when OP0 is in a register.
13670 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13672 * dwarfout.c (field_byte_offset): Size can be zero if there was
13675 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13677 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13678 (associate_trees): Delete unused var TEM.
13679 (extract_muldiv): Delete unused var CANCEL_P.
13681 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13682 (target_isinf, target_isnan, target_negative): Add return types to
13683 function definitions.
13685 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13687 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13688 * fixinc/hackshell.tpl: ditto
13689 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13690 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13692 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13694 * reload.c (push_reload): When looking for a register to put into
13695 reg_rtx, make sure all hard regs in a multi-reg register are in the
13696 right class and nonfixed.
13698 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13699 pending_read_insns, pending_write_insns, pending_read_mems,
13700 pending_write_mems, pending_list_length, last_pending_memory_flush,
13701 last_function_call, sched_before_next_call): Move static variables
13703 (bb_ prefixed versions): Replace with single array bb_deps.
13704 (struct deps): New structure.
13705 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13706 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13707 argument of type "struct deps *"; use that instead of global
13708 variables. All callers changed.
13709 (init_rgn_data_dependencies): Delete function.
13710 (init_rtx_vector): Delete function.
13711 (init_deps): New function.
13713 (free_pending_lists): Simplify, we always use the bb_deps array even
13714 if only one basic block.
13715 (compute_block_backward_dependences): Likewise.
13716 (schedule_region): Likewise.
13718 (propagate_deps): New function, broken out of
13719 compute_block_backward_dependences.
13720 (compute_block_backward_dependences): Use it.
13722 * alpha.md: Delete useless patterns that tried to work around
13723 register elimination problems.
13725 * unroll.c (loop_iterations): Don't abort if iteration variable
13728 From Joern Rennecke:
13729 * reload1.c (reloads_conflict): Reverse test comparing operand
13730 numbers when testing for conflict between output/outaddr reloads.
13732 1999-11-29 David S. Miller <davem@redhat.com>
13734 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13736 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13738 1999-11-28 Robert Lipe <robertl@cygnus.com>
13740 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13741 table from .fini into .dtor.
13743 1999-11-28 Anthony Green <green@cygnus.com>
13745 * tree.h (struct tree_decl): Add malloc_flag.
13746 (DECL_IS_MALLOC): Define.
13747 * c-common.c (attrs): Add A_MALLOC attribute.
13748 (init_attributes): Add this attribute to the table.
13749 (decl_attributes): Handle malloc attribute.
13750 * calls.c (special_function_p): Check for the malloc attribute.
13751 * extend.texi (Function Attributes): Document malloc attribute.
13753 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13755 * pa.md (reload shift-add patterns): Remove.
13757 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13759 * reorg.c (dbr_schedule) Print more statistics. Corrected
13760 problem when printing info when 3 delay slots are filled.
13762 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13764 * combine.c (setup_incoming_promotions): Pass an outgoing
13765 regno to FUNCTION_ARG_REGNO_P which it expects.
13767 1999-11-28 Andreas Jaeger <aj@suse.de>
13769 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13771 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13773 * cccp.c (do_include): Avoid initialization of automatic variable.
13775 * integrate.c (mark_stores): Function definition made void, to match
13776 previous declaration.
13777 * regclass.c (dump_regclass): Ditto.
13778 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13780 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13782 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13783 known to be multiple of divisor.
13785 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13787 * combine.c (try_combine): Add code to try to merge a set of a
13788 two-word pseudo to a constant with a setting of one of those words
13791 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13792 (split_tree): Completely rework to make more general.
13793 (make_range, fold): Call negate_expr.
13794 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13795 (fold, associate): Call new split_tree and associate_trees.
13796 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13798 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13800 * loop.c (try_copy_prop): Avoid GNU C extension.
13802 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13804 * except.c (init_eh_for_function): Still zero eh_return_context,
13805 eh_return_stack_adjust, and eh_return_handler.
13807 * except.h (eh_status): Adjust documentation for x_protect_list.
13808 (begin_protect_partials): New function.
13809 * except.c (enqueue_eh_entry): Fix formatting.
13810 (get_first_handler): Add consistency check.
13811 (add_partial_entry): Adjust usage of protect_list.
13812 (emit_cleanup_handler): Save and restore ehqueue.
13813 (expand_start_all_catch): Add comment.
13814 (begin_protect_partials): New function.
13815 (end_protect_partials): Adjust usage of protect_list.
13816 (init_eh_for_function): Use xcalloc.
13818 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13820 * c-common.c (check_format_info): Don't call a variadic function
13821 with a non-literal format string.
13823 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13825 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13826 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13829 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13832 * collect2.c (collect_wait): Likewise.
13834 * dbxout.c (dbxout_type): Likewise.
13836 * gcc.c (do_spec_1): Likewise.
13838 * genemit.c (gen_insn, gen_expand): Likewise.
13840 * genrecog.c (write_switch, write_subroutine): Likewise.
13842 * mips-tfile.c (catch_signal, botch): Likewise.
13844 * print-rtl.c (print_rtx): Likewise.
13846 * toplev.c (default_print_error_function, report_error_function,
13847 _fatal_insn): Likewise.
13849 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13851 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13853 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13855 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13856 operations when needed.
13857 * i386.md (fop_?f_comm): New.
13858 (fop_?f_1): Do not accept commutative operands.
13860 1999-11-25 Andreas Jaeger <aj@suse.de>
13862 * config/mips/mips.md (casesi_internal): Add missing brace.
13864 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13866 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13867 (splice_child_die): Handle moving a child DIE from the declaration
13868 DIE of a class to its specification.
13869 (gen_struct_or_union_type_die): Use 'complete' consistently.
13870 (gen_decl_die): Generate the virtual context DIE first.
13871 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13873 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13875 * config/mips/mips.md (call_value_multiple_interanal1): New.
13877 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13879 * dwarf2out.c (free_AT, free_die): New fns.
13880 (remove_children): Call them.
13881 (output_line_info): Disable removal of duplicate notes.
13883 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13884 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13885 means pretend the type isn't defined.
13886 Don't defer emitting types.
13887 (gen_type_die_for_member): New fn.
13888 (gen_decl_die): Call it.
13889 (splice_child_die): New fn.
13890 (gen_member_die): Call it rather than generate duplicate dies.
13892 Defer emitting information for the abstract instance of an inline
13893 until we either inline it or emit an out-of-line copy.
13894 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13895 from output_inline_function if DECL_ABSTRACT is also set.
13896 (block_ultimate_origin): Likewise.
13897 (gen_abstract_function): New fn.
13898 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13899 (gen_subprogram_die): An abstract instance is not a declaration
13900 just because it doesn't match current_function_decl. Don't abort
13901 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13902 has an abstract origin.
13903 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13904 abstract instance here.
13906 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13908 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13909 where we need to reload fpul from a system register.
13911 1999-11-24 Andreas Jaeger <aj@suse.de>
13913 * config/mips/linux.h (CPP_PREDEFINES): Added.
13914 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13916 1999-11-24 Andreas Jaeger <aj@suse.de>
13918 * config/mips/linux.h (TARGET_VERSION): Added.
13919 (HANDLE_SYSV_PRAGMA): Added.
13920 (DEFAULT_VTABLE_THUNKS): Added.
13922 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13924 * local-alloc.c (qty): New structure and static variable.
13925 (qty_phys_reg): Remove, all references changed to qty.
13926 (qty_n_refs): Likewise.
13927 (qty_min_class): Likewise.
13928 (qty_birth): Likewise.
13929 (qty_death): Likewise.
13930 (qty_size): Likewise.
13931 (qty_mode): Likewise.
13932 (qty_n_calls_crossed): Likewise.
13933 (qty_alternate_class): Likewise.
13934 (qty_changes_size): Likewise.
13935 (qty_first_reg): Likewise.
13936 (alloc_qty): Rename variable QTY to QTYNO.
13937 (finf_free_reg): Likewise.
13938 (local_alloc): Allocate qty, do not allocate the removed variables.
13940 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13942 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13943 when -membedded-pic is passed.
13945 * config/mips/mips.md (casesi): Handle 64-bit case too.
13946 (casesi_internal_di): New insn.
13948 * config/mips/mips.c (embedded_pic_offset): Always make the
13949 embedded-pic subtractions relative to the name of the current
13950 function by use of the magic string "..CURRENT_FUNCTION".
13951 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13953 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13955 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13956 of (const_int 0), when what we really care about is
13957 whether it's a zero constant anyway.
13958 (div_trap_mips16): Likewise.
13960 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13962 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13963 unroll_block_trees when generating debuggable code.
13965 * tree.h (unsave_expr_1): New function.
13966 (lang_unsave): New variable.
13967 (get_callee_fndecl): New function.
13968 * tree.c (unsave_expr_now_r): New function.
13969 (lang_unsave): Define.
13970 (unsave_expr_1): Likewise.
13971 (unsave_expr_now_r): Split out from unsave_expr_now.
13972 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13973 call unsave_expr_now_r.
13974 (get_callee_fndecl): Define.
13976 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13977 (gencheck.o): Do depend on lang_tree_files.
13979 * integrate.h (copy_decl_for_inlining): New declaration.
13980 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13981 (copy_decl_for_inlining): New function.
13982 (integrate_parm_decls): Use it.
13983 (integrate_decl_tree): Likewise.
13985 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13987 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13988 the second two from the first.
13989 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13990 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13991 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13993 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13994 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13997 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13999 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14000 needed on the address operand.
14001 * pa.c (call_operand_address): Check for the correct mode.
14003 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14005 * loop.c: Include "basic-block.h".
14006 (try_copy_prop, replace_loop_reg): New functions.
14007 (load_mems): Detect registers that just hold copies of the hoisted
14008 mem, and call try_copy_prop to eliminate them.
14009 * Makefile.in (loop.o): Update dependencies.
14011 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14013 * Makefile.in (gencheck.o): Depend on gencheck.h.
14014 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14015 (insn-peep.o): Depend on except.h and function.h.
14016 (insn-attrtab.o): Depend on RECOG_H.
14017 (insn-output.o): Depend on toplev.h and flags.h.
14018 (gengenrtl.o): Depend on real.h.
14019 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14020 Unify all dependencies to be on RECOG_H rather than recog.h.
14022 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14024 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14025 * configure.in: Try building a bi-arch 32/64-bit compiler on
14026 sparc-*-solaris2.7 and higher.
14027 * configure: Rebuild.
14029 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14031 * config/freebsd.h: New, FreeBSD architecture independent file.
14032 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14033 independent pieces.
14034 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14035 directly by i386/freebsd.h.
14036 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14037 independent configuration file.
14038 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14039 directly by i386/freebsd.h.
14040 * configure: Rebuilt.
14042 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14043 which is in the user's namespace.
14044 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14045 `i386' which is not in our namespace.
14047 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14049 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14051 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14053 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14054 (add_dwarf_attr, add_child_die): Just push onto the front.
14055 (reverse_die_lists): New fn.
14056 (add_sibling_attributes): Use it.
14057 (push_decl_scope): Reorganize.
14058 (add_name_and_src_coords_attributes): Don't set file and line for
14059 an artificial decl.
14060 (gen_subprogram_die): An artificial function doesn't need to match
14062 (gen_compile_unit_die): Return the generated die. Only add
14063 AT_comp_dir if the filename is relative.
14064 (remove_AT): Simplify loop. Also free string values.
14065 (output_die): A DIE ref can't be null.
14066 (output_value_format, value_format): Take a dw_attr_ref.
14067 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14068 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14069 AT_addr, AT_lbl): New fns.
14070 (various): Use them.
14071 (various): Constify.
14073 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14075 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14076 take SUBREG_WORD into account.
14077 (if_then_else_cond): Likewise.
14079 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14081 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14082 clause from BSD license, pursuant with
14084 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14086 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14088 * loop.c (load_mems): Reformat slightly.
14089 * basic-block.h (regset_head): New typedef.
14090 (INIT_REG_SET): New macro.
14092 1999-11-22 Bruce Korb <autogen@linuxbox.com
14094 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14095 (mips-dec-bsd*): non-functional code
14096 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14098 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14099 added three replacement fixes
14100 (no_double_slash): removed comments that are not (any longer) pertinent
14101 (bad_lval): this fix currently runs against many files.
14102 The comment seems to indicate that we should select for files
14103 containing 'pragma extern_prefix'.
14105 * fixinc/fixinc.x86-linux-gnu: deleted
14106 * fixinc/inclhack.sh: regen
14107 * fixinc/fixincl.x: regen
14108 * fixinc/fixincl.sh: regen
14110 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14112 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14113 its code is INSN and it has no notes.
14115 1999-11-22 Andrew Haley <aph@cygnus.com>
14117 * varasm.c (function_defined): Remove.
14118 (make_function_rtl): Don't set function_defined.
14119 (make_decl_rtl): Remove global register warning.
14120 * regclass.c (no_global_reg_vars): New variable.
14121 (globalize_reg): Warn if function has already been defined.
14122 (regclass_init): Set no_global_reg_vars.
14124 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14126 * regclass.c (reg_pref): New structure and static variable
14127 (prefclass): Delete.
14128 (altclass): Delete.
14129 (all uses of prefclass and altclass): Use reg_pref instead.
14131 1999-11-21 Nick Clifton <nickc@cygnus.com>
14133 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14135 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14136 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14137 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14139 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14141 * varasm.c (output_constructor): Solve problem with long long
14142 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14144 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14146 * global.c (allocno): New structure and static variable.
14147 (allocno_reg): Remove, all references replaced by allocno.
14148 (allocno_size): Likewise.
14149 (hard_reg_conflicts): Likewise.
14150 (hard_reg_preferences): Likewise.
14151 (hard_reg_copy_preferences): Likewise.
14152 (hard_reg_full_preferences): Likewise.
14153 (regs_someone_prefers): Likewise.
14154 (allocno_calls_crossed): Likewise.
14155 (allocno_n_refs): Likewise.
14156 (allocno_live_length): Likewise.
14157 (find_reg): Rename ALLOCNO to NUM.
14159 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14160 references updated.
14161 (may_move_out_cost): New variable.
14162 (init_reg_sets_1): Initialize may_move_out_cost.
14163 (record_reg_classes): Use may_move_out_cost.
14165 * regclass.c (dump_regclass): New function.
14166 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14167 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14168 pass rtl_dump_file to regclass.
14169 * rtl.h (regclass): Update prototype.
14171 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14173 * i386.md (neg, not and abs patterns): Revmap to use
14174 ix86_expand_unary_operator and ix86_unary_operator_ok.
14175 (add?f and sub?f expanders): Force operand 1 to register.
14176 * i386.c (ix86_expand_unary_operator): Rewrite.
14177 (ix86_unary_operator_ok): Ensure that memory operands
14179 (ix86_binary_operator_ok): Do not allow operand 1 to
14180 come into memory and operand 0 not.
14181 (ix86_expand_binary_operator): Ensure that
14182 src1 is not non-matching memory.
14184 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14185 to support integer registers and memory.
14186 (abss?2_integer): Likewise.
14188 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14189 (REG_CLASS_NAMES): Likewise.
14190 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14192 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14193 (movsf): Likewise; unify 4th and 5th alternative.
14194 (pushdf): Likewise.
14195 (movdf_1): Likewise; rename to movdf_integer.
14196 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14197 remove redundant splitter.
14198 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14199 (movdf_nointeger): New.
14200 (movxf_nointeger): New.
14201 (pushxf_nointeger): New.
14203 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14204 memory operands in patterns.
14205 (fop*): Refuse two memory operands.
14207 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14208 on !TARGET_USE_CLTD CPUs.
14210 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14212 * extend.texi: Document C++ restricted pointers and references.
14214 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14216 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14217 (invalidate_skipped_set): Call it unconditionally.
14218 (cse_set_around_loop): Likewise.
14220 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14222 * rtl.texi (mem): Add documentation for alias-set argument
14225 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14227 * i386.h (struct_processor_costs): New fields int_load, int_store,
14228 fp_move, fp_load and fp_store
14229 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14231 (MEMORY_MOVE_COST): New macro.
14232 * i386.c (386_cost): Define new fields.
14233 (i486_cost): Likewise.
14234 (pentium_cost): Likewise.
14235 (pentiumpro_cost): Likewise.
14236 (k6_cost): Likewise.
14238 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14239 Geoffrey Keating <geoffk@cygnus.com>
14241 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14243 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14246 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14247 (TARGET_STRICT_ALIGNMENT): New macro.
14248 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14249 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14250 * invoke.texi (M680x0 Options): Document -mstrict-align.
14252 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14253 Richard Henderson <rth@cygnus.com>
14255 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14256 (ix86_split_long_move): Declare.
14257 * i386.c (split_xf, ix86_split_movdi): Remove.
14258 (ix86_split_to_parts, ix86_split_long_move): New.
14259 * i386.md (dimode move splitters): Use ix86_split_long_move.
14260 (dfmode move splitters): Likewise.
14261 (xfmode move splitters): Likewise.
14262 (movsf_1): Allow F->r.
14263 (movdf_1, movxf_1): Allow F->ro.
14265 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14267 * except.h (struct eh_entry): Add goto_entry_p.
14268 (eh_region_from_symbol): Remove prototype.
14269 * except.c (find_func_region_from_symbol): New function.
14270 (emit_cleanup_handler): Likewise.
14271 (eh_region_from_symbol): Make it static.
14272 (add_new_handler): Verify the argument.
14273 (find_func_region): Update comment.
14274 (expand_eh_region_end): Expand handlers here, rater than waiting
14275 until expand_leftover_cleanups or start_all_catch.
14276 (expand_leftover_cleanups): Don't expand here.
14277 (expand_start_all_catch): Or here.
14278 (expand_rethrow): Check the return value from find_func_region.
14279 * function.c (expand_function_end): Emit the catch_clauses.
14281 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14283 * integrate.c (expand_inline_function): Add necessary check for NULL.
14285 1999-11-18 Nick Clifton <nickc@cygnus.com>
14287 * toplev.c (main): Correctly detect an unrecognised option.
14289 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14290 a -f option if it has not been recognised.
14292 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14294 * basic-block.h (update_life_extent): Remove trailing comma on
14295 enumeration type list.
14297 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14299 * varasm.c (output_constructor) Solved problem with long long
14300 bitfields. Corrected calculating this_time and shift. Also
14301 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14303 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14305 * flow.c (split_edge): Take looping structure into account when
14306 determining where to put the new block note.
14308 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14310 * Makefile.in (ggc-none.o): Provide host specific version if
14313 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14315 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14316 containing subregs too.
14318 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14320 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14321 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14322 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14323 (text_section): Add switches -munint-const-in-rodata and
14324 -mno-uninit-const-in-rodata.
14325 (ASM_OUTPUT_COMMON): Remove.
14326 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14327 const objects should be placed in read-only data. Otherwise declare
14330 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14332 * jump.c (jump_optimize_1): Revert last change.
14334 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14336 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14337 test if optimizing for size.
14339 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14341 * Makefile.in (toplev.o): Depend on except.h.
14342 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14344 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14346 * i386.md (divmodsi4): Rewrite to expander.
14347 (*divmodsi4_nocltd): New.
14348 (*divmodsi4_cltd): New.
14349 (divmodsi4 splitter): Handle the case when input comes in edx.
14350 (udivmodhi4): Do not use constraints in exander.
14351 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14353 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14355 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14356 for the common case.
14358 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14360 * explow.c (hard_function_value): Add outgoing argument.
14361 * expr.h (hard_function_value): Declare it.
14362 * calls.c (expand_call, emit_library_call_value): Update callers.
14363 * function.c (aggregate_value_p): Ditto.
14364 (diddle_return_value): Must look at the outgoing registers
14365 on archs with register windows.
14367 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14369 * alpha.c (alpha_build_va_list): Use make_lang_type and
14370 initialize TYPE_NAME for the va_list record.
14372 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14374 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14376 * ggc.h (struct ggc_statistics): Rearrange elements for better
14377 packing on 64-bit hosts.
14378 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14379 (compute_nearerout): Likewise.
14381 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14383 * config/rs6000/rs6000.c (first_reg_to_save): Save
14384 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14386 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14388 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14389 notion of nesting to find the DIE for a type or function.
14390 DIEs can go in limbo even if we got a context_die.
14391 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14392 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14394 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14395 (gen_type_die): Writing out the context doesn't cause member class
14396 template instantiations to be written out as well.
14398 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14400 * rs6000.h (ASM_OUTPUT_DEF): New.
14401 Based on proposed addition from David Edelsohn.
14403 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14404 Bruce Korb <autogen@linuxbox.com>
14406 * fixinc/inclhack.def
14407 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14408 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14410 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14411 (svr4_endian): enabled with SVR5
14412 (svr4_mkdev): simplified syntax and enabled with SVR5
14414 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14416 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14417 * configure: Rebuilt.
14418 * config/t-freebsd-thread: New file.
14420 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14422 * i386.c (ix86_decompose_address): Verify the base is a REG
14423 before trying to examine its register number.
14425 * basic-block.h: Remove all #defines and prototypes related to
14427 (free_bb_mem, compute_preds_succs): Remove prototype.
14428 * rtl.h (free_bb_mem): Remove prototype.
14429 * flow.c (alloc_int_list_node); Remove function.
14430 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14431 (compute_preds_succs, free_bb_mem): Likewise.
14432 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14433 * toplev.c (rest_of_compilation): Likewise.
14434 * haifa-sched.c (build_control_flow): Use flow generated edge
14435 list to build the haifa specific edge list.
14436 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14437 (schedule_insns): Do not build pred/succ lists anymore. Instead
14438 build the edge table.
14440 * basic-block.h (dump_bb_data): Remove declaration.
14441 * flow.c (dump_bb_data): Remove function.
14442 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14443 (sbitmap_union_of_predsucc): Likewise.
14445 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14446 argument. All callers changed.
14447 (delete_null_pointer_checks_1): No longer need to compute the
14450 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14451 All callers changed.
14452 (pre_expr_reaches_here_p_work): Likewise.
14453 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14454 * lcm.c (compute_laterin): Fix initialization of LATER.
14455 (compute_nearerout): Similarly for NEARER.
14457 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14459 * cse.c (set_nonvarying_address_components): Delete unused function.
14460 (refers_to_p): Likewise.
14462 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14464 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14467 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14469 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14470 definition in do while (0).
14472 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14474 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14476 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14478 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14480 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14482 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14483 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14484 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14485 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14487 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14488 saved on the stack. Output more accurate stack frame statistics
14489 into assembler file.
14491 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14493 * genextract.c (record_insn_name): New function.
14494 (get_insn_name): No longer a stub.
14495 (main): Call record_insn_name for each insn. After each label
14496 written, print the insn name in a comment.
14498 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14500 * output.h (const_section, init_section, fini_section): Add
14503 * alpha/elf.h (const_section): Delete declaration.
14505 * svr4.h (const_section): Likewise.
14507 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14509 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14510 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14511 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14513 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14514 variable-sized array bounds.
14516 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14518 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14521 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14523 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14524 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14526 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14528 * cse.c (hash_arg_in_struct): Delete.
14529 (struct table_elt): Delete elt in_struct.
14530 (struct set): Delete elt src_in_struct.
14531 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14532 the corresponding in_struct elts.
14533 (canon_hash): Likewise.
14534 (safe_hash): Likewise.
14535 (find_best_addr): Likewise.
14536 (record_jump_cond): Likewise.
14537 (cse_insn): Likewise.
14539 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14541 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14543 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14546 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14548 * function.c (diddle_return_value): Put back check that the DECL_RTL
14549 for the function is a register.
14551 * function.c (diddle_return_value): Use hard_function_value to
14552 get an rtx suitable for use in the USE/CLOBBER insn.
14554 * global.c (global_conflicts): Update comments.
14555 (record_conflicts): No need to record conflicts between pseudos here.
14557 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14559 * fixinc/fixincl.c: Added verbose levels for status messages
14561 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14563 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14564 operand as argument to expand_and or expand_binop.
14566 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14568 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14569 gcc_add_string_root.
14571 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14573 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14575 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14577 * flow.c (compute_flow_dominators): Initially put all blocks on
14579 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14580 * gcse.c (compute_cprop_avinout): Remove.
14581 (compute_cprop_data): Use compute_available.
14582 (delete_null_pointer_checks_1): Use compute_available.
14584 * basic-block.h (compute_available): Returns a void now.
14585 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14586 to return a value anymore.
14587 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14588 worklists. Fix boundary cases. Compute maximal solutions.
14589 (compute_laterin, compute_nearerout): Similarly.
14591 * dwarf2out.c (add_AT_location_description): Allow
14592 (mem (plus (pseudo) (...)) too.
14594 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14596 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14598 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14599 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14601 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14603 * gansidecl.h: Likewise.
14609 * toplev.h: Likewise.
14611 * tree.c: Likewise.
14613 * tree.h: Likewise.
14615 * varray.c: Likewise.
14617 * varray.h: Likewise.
14619 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14621 * gcov.c (struct arcdata): Add hits and total, remove prob.
14622 (output_branch_counts): New.
14623 (process_args): Set output_branch_counts if -c.
14624 (calculate_branch_probs): Store hits and total instead of
14626 (output_data): Emit counts if output_branch_counts is true.
14627 * gcov.texi (Invoking Gcov): Document -c switch..
14629 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14631 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14632 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14634 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14636 * invoke.texi (C Dialect Options): Add missing builtins from
14637 c-common.c to list.
14638 * extend.texi (Other Builtins): Copy to this list.
14640 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14642 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14643 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14644 redundant bitmap.h.
14646 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14648 * flow.c (compute_flow_dominators): No longer treat basic block 0
14649 or (n_basic_blocks - 1) specially. Clear the AUX field before
14650 starting computation of doms/pdoms. Fix initial state for pdoms.
14652 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14654 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14655 match rtl.o's: added ggc.h and toplev.h
14656 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14657 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14658 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14660 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14662 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14663 from HAVE_DOS_BASED_FILESYSTEM.
14664 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14665 HAVE_DOS_BASED_FILESYSTEM.
14667 (split_directories): Only special-case DOS file names if
14668 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14669 instead of explicit tests. Conditionalize on !VMS.
14670 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14671 tests. Conditionalize on !VMS.
14672 (process_command): Only use make_relative_prefix if !VMS.
14673 (free_split_directories): Conditionalize on !VMS.
14674 (DIR_UP): Conditionalize on !VMS.
14676 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14678 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14680 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14682 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14685 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14687 * invoke.texi (Environment Variables): Document relative path
14689 * gcc.c (DIR_UP): If not defined, define as "..".
14690 (standard_bindir_prefix): New static, holds target location to
14692 (split_directories): New function to split a filename into
14693 component directories.
14694 (free_split_directories): New function, release memory allocated
14695 by split_directories.
14696 (make_relative_prefix): New function, make a relative pathname if
14697 the compiler is not in the expected location.
14698 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14699 can figure out an appropriate prefix from argv[0].
14700 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14701 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14702 STANDARD_BINDIR_PREFIX.
14704 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14706 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14708 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14709 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14710 c4x_secondary_memory_needed) Delete.
14711 (fp_zero_operand): Add mode argument.
14713 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14715 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14716 that is in reload_reg_used.
14718 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14720 * config/arm/arm-protos.h: New file: Prototypes for functions
14721 defined in arm.c and pe.c.
14722 * config/arm/arm.h: Fix compile time warnings.
14723 * config/arm/arm.c: Fix compile time warnings.
14724 * config/arm/pe.h: Fix compile time warnings.
14725 * config/arm/aout.h: Fix compile time warnings.
14727 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14729 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14732 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14733 Add support for subtargets.
14734 Add prototypes for new predicates.
14735 Add scheduling macros.
14737 * config/m32r/m32r.c: Fix compile time warnings.
14738 (int8_operand): New predicate function.
14739 (reg_or_cmp_int16_operand): New predicate function.
14740 (extend_operand): New predicate function.
14741 (m32r_adjust_code): New scheduling function.
14742 (m32r_adjust_priorty): New scheduling function.
14743 (m32r_sched_init): New scheduling function.
14744 (m32r_sched_reorder): New scheduling function.
14745 (m32r_sched_variable_issue): New scheduling function.
14746 (direct_return): New codegen function.
14747 (m32r_not_same_reg): New rtl testsing function.
14749 * config/m32r/m32r.md: Fix compile time warnings.
14750 Add support for pre decrement and post increment memory
14752 Add S<cc> patterns.
14755 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14757 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14758 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14759 (find_reg): Likewise.
14761 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14763 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14764 to avoid assembler errors.
14766 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14768 * config/v850/v850-protos.h: New file: Prototypes for functions
14770 * config/v850/v850.h: Move prototypes to v850-protos.h
14771 * config/v850/v850.c: Move prototypes to v850-protos.h
14772 * config/v850/v850.md: Fix compile time warnings.
14774 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14776 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14777 * config/fr30/fr30.c: Fix compile time warnings.
14778 * config/fr30/fr30.md: Fix compile time warnings.
14780 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14782 * tree.h (get_containing_scope): Declare it.
14783 * tree.c (get_containing_scope): New fucntion.
14784 (decl_function_context): Use it.
14785 * toplev.c (rest_of_compilation): Use get_containing_scope.
14787 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14789 * Makefile.in (rtl.o): Depend on toplev.h.
14791 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14793 * cse.c (delete_trivially_dead_insns): Replace alloca with
14795 * except.c (update_rethrow_references): Likewise.
14796 (init_eh_nesting_info): Likewise.
14797 * function.c (identify_blocks): Likewise.
14798 * gcse.c (dump_hash_table): Likewise.
14799 * graph.c (print_rtl_graph_with_bb): Likewise.
14800 * loop.c (combine_movables): Likewise.
14801 (move_movables): Likewise.
14802 (count_loop_regs_set): Likewise.
14803 (strength_reduce): Likewise.
14804 * profile.c (compute_branch_probabilities): New function, split
14806 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14807 * regclass.c (regclass): Likewise.
14808 * regmove.c (regmove_optimize): Likewise.
14809 * toplev.c (compile_file): Likewise.
14810 (main): Don't mess with the stack rlimit.
14812 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14814 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14815 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14817 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14819 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14821 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14823 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14824 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14827 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14829 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14831 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14833 * gcse.c (post_dominators): Kill.
14834 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14835 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14836 pass in a pdom array since we do not need pdoms.
14837 * haifa-sched.c (schedule_insns): Similarly.
14838 * flow.c (compute_dominators): Remove dead function.
14839 (compute_flow_dominators): Do not compute doms or pdoms if the
14840 caller does not request them. Split up loop to build doms and
14841 pdoms. Use a worklist to compute doms and pdoms.
14842 * basic-block.h (compute_dominators): Remove prototype.
14844 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14846 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14847 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14848 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14849 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14850 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14851 (schedule_region): Remove unused variable.
14852 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14854 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14856 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14857 (update_equiv_regs): Likewise.
14858 (block_alloc): Likewise.
14859 * reg-stack.c (reg_to_stack): Likewise.
14860 (convert_regs_2): Likewise.
14861 * reload1.c (reload_as_needed): Likewise.
14863 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14865 * Makefile.in (dbxout.o): Depend on ggc.h.
14866 (dwarf2out.o): Likewise.
14867 (xcoffout.o): Likewise.
14868 * dbxout.c: Include ggc.h.
14869 (dbxout_init): Register lastfile as a root.
14870 * dwarf2out.c: Include ggc.h.
14871 (dwarf2out_line): Register lastfile as a root.
14872 * xcoffout.c: Include ggc.h.
14873 (xcoffout_source_line): Register xcoff_lastfile as a root.
14875 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14877 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14879 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14881 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14883 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14885 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14887 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14888 (EXECUTE_IF_CONFLICT): Likewise.
14889 (ALLOCNO_LIVE_P): Avoid signed division.
14890 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14891 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14892 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14894 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14896 * haifa-sched.c (schedule_block): Don't crash if there's no
14897 next insn for an interblock movement.
14898 (add_branch_dependences): Don't allow clobber insns to move either.
14900 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14902 * i386.c (split_xf): New.
14903 * i386-protos.h: Declare it.
14904 * i386.md (movxf_1): Add general regs alternatives.
14905 (movxf_1+1): New splitter for same.
14907 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14909 * function.c (purge_addressof_1): Add missing return values.
14911 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14913 * function.c (is_addressof): New function. Returns true if
14914 the given piece of RTL is an ADDRESSOF.
14915 (purge_addressof_1): Make boolean. Return false if the
14916 ADDRESSOFs could not be purged.
14917 (purge_addressof): If ADDRESSOFs could not be purged from the
14918 notes attached to an insn, remove the offending note(s),
14919 unless they are attached to a libcall.
14921 1999-11-05 Andreas Jaeger <aj@suse.de>
14923 * genoutput.c (null_operand =): Initialize all fields.
14925 * errors.h: Add extern to prototypes.
14927 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14929 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14930 * configure: Rebuilt.
14932 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14934 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14935 (mirror_conflicts): New function.
14936 (global_alloc): Call it.
14937 (expand_preferences): Remove redundant CONFLICTP test.
14938 (find_reg, dump_conflicts): Likewise.
14939 (prune_preferences): Process conflicts one word at a time.
14941 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14943 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14944 instead of an explicit loop.
14946 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14948 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14949 if REG_RETVAL check succeeds, then put classp in src_elt.
14951 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14953 * function.c (pad_to_arg_alignment): Only update argument_pad
14954 if the argument's alignment is greater than STACK_BOUNDARY.
14956 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14958 * bitmap.h (BITMAP_XFREE): New.
14959 * flow.c (life_analysis): Use it.
14960 (life_analysis_1): Free blocks.
14962 * combine.c (undo_commit): New.
14963 (try_combine): Use it. Don't zap undobuf.undos.
14964 (combine_instructions): Don't zap undobuf.undos; free the
14965 undobuf.frees list.
14967 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14969 * stmt.c (cost_table_): New.
14970 (estimate_case_costs): Use it instead of xmalloc.
14972 * toplev.c (compile_file): Reuse dumpname memory instead
14975 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14977 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14978 after verifying an EH edge.
14980 * haifa-sched.c (init_rgn_data_dependences): Correctly
14981 size bb_pending_lists_length when zeroing.
14983 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14985 * function.c (diddle_return_value): New.
14986 (expand_function_end): Use it.
14987 * stmt.c (expand_null_return): Likewise.
14988 (expand_value_return): Likewise.
14990 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14992 * reload1.c (reload): Don't remove return value clobbers.
14994 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14996 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14998 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15000 * cse.c (cse_main): Use xmalloc, not alloca.
15001 (cse_basic_block): Likewise.
15002 * local-alloc.c (local_alloc): Likewise.
15004 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15005 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15007 * rtl.c: Include toplev.h.
15008 (fatal): Remove declaration.
15010 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15012 * haifa-sched.c (schedule_block): Fix thinko.
15014 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15016 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15017 S_IR* defined values
15019 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15021 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15022 call `malloc' instead.
15024 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15026 * flags.h (flag_renumber_insns): Declare.
15027 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15029 * rtl.h (renumber_insns): Change prototype.
15030 * toplev.c (flag_renumber_insns): Define.
15031 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15033 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15035 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15036 and fpsqrtd. Use them and create fdiv function unit to more
15037 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15038 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15040 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15042 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15044 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15045 insn into ready list, do not use just a raw swap.
15047 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15049 * rtl.h (renumber_insns): New function.
15050 (remove_unnecessary_notes): Likewise.
15051 * emit-rtl.c (renumber_insns): Define.
15052 (remove_unncessary_notes): Likewise.
15053 * toplev.c (rest_of_compilation): Remove dead code.
15054 Use renumber_insns and remove_unncessary_notes.
15056 * gcse.c (struct null_pointer_info): New type.
15057 (get_bitmap_width): New function.
15058 (current_block): Remove.
15059 (nonnull_local): Likewise.
15060 (nonnull_killed): Likewise.
15061 (invalidate_nonnull_info): Take a null_pointer_info as input.
15062 (delete_null_pointer_checks_1): New function.
15063 (delete_null_pointer_checks): Use it.
15065 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15066 (split_edges): Likewise.
15067 (schedule_block): Likewise.
15068 (compute_block_backward_dependencies): Likewise.
15069 (schedule_region): Likewise.
15070 (schedule_insns): Likewise.
15072 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15074 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15075 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15076 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15077 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15078 * jump.c (delete_unreferenced_labels): Don't delete if
15079 LABEL_ALTERNATE_NAME is set.
15080 * print-rtl.c (print_rtx): Dump alternate name.
15081 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15082 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15083 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15084 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15086 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15088 * fix-header.c (recognized_extern, recognized_function): Constify
15091 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15092 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15093 (compute_available): Remove unused variable `last'.
15094 (compute_nearerout): Remove unused variable `temp_bitmap'.
15095 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15096 Remove unused variable `x'.
15098 * scan.h (recognized_function, recognized_extern): Constify a
15101 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15103 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15105 * varasm.c (decode_rtx_const): Use XSTR to access the string
15108 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15110 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15112 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15114 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15116 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15118 * pa.c (ireg_operand): New function.
15119 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15120 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15121 Fix out of date comment.
15123 * pa.md (negdi2): Turn into expander + anonymous pattern.
15125 * reload.c (find_reloads): Fix typos in recent change.
15127 * dwarf2out.c: Do not include ctype.h.
15129 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15131 * regclass.c (record_reg_classes): Always use may_move_cost when
15132 seeing how operand fits with various register classes.
15134 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15136 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15137 * toplev.c: Revert Nov 1 13:22 change.
15139 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15141 * config/pa/pa.md (height reduction patterns): Add checks for
15142 overlapping operands to avoid semantic-destroying splits for
15143 height reduction patterns.
15145 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15147 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15148 have been an hyphen, fixed.
15149 * configure: Rebuilt.
15151 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15153 * config/arm/tpe.h: Add prototypes for exported functions.
15154 * config/arm/pe.c: Fix compile time warnings.
15155 * config/arm/semi.h: Fix compile time warnings.
15156 * config/arm/arm.c: Fix compile time warnings.
15157 * config/arm/arm.h: Fix compile time warnings.
15158 * config/arm/arm.md: Fix compile time warnings.
15159 * config/arm/thumb.c: Fix compile time warnings.
15160 * config/arm/thumb.h: Fix compile time warnings.
15161 * config/arm/thumb.md: Fix compile time warnings.
15163 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15165 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15168 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15169 completely unrolled.
15171 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15173 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15175 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15177 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15178 * rtl.h (rtx_equal_p): Move prototype.
15179 * rtl.c (rtx_equal_function_value_matters): Move from
15181 (rtx_equal_p): Likewise.
15182 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15183 (rtx_equal_p): Likewise.
15185 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15187 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15188 ! HAS_INIT_SECTION.
15190 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15192 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15194 * pa.h (ADDR_VEC_ALIGN): Define.
15196 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15197 notes when presented with "if (foo) break; end_of_loop" and
15198 the break sequence gets moved out of the loop.
15200 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15201 Remove explicit zero initializations of entries within MAP.
15203 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15205 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15207 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15209 * bitmap.h (BITMAP_XMALLOC): New macro.
15210 * flow.c (CLEAN_ALLOCA): Remove.
15211 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15212 (life_analysis): Likewise.
15213 (update_life_info): Don't use CLEAN_ALLOCA.
15214 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15215 (calculate_global_regs_live): Likewise.
15216 (print_rtl_with_bb): Likewise.
15217 (verify_flow_info): Likewise.
15218 * global.c (global_alloc): Likewise.
15219 (global_conflicts): Likewise.
15220 * integrate.c (save_for_inline_nocopy): Likewise.
15221 (expand_inline_function): Likewise.
15222 * jump.c (jump_optimize_1): Likewise.
15223 (duplicate_loop_exit_test): Likewise.
15224 (thread_jumps): Likewise.
15225 * loop.c (loop_optimize): Likewise.
15226 (combine_givs): Likewise.
15227 (recombine_givs): Likewise.
15228 * reorg.c (dbr_schedule): Likewise.
15229 * unroll.c (unroll_loop): Likewise.
15231 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15233 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15235 * toplev.c (rest_of_compilation): Don't optimize the CFG
15236 when rebuilding, just before dbr.
15238 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15240 * output.h (assemble_end_function, assemble_destructor,
15241 assemble_constructor, assemble_gc_entry, assemble_global,
15242 assemble_label, output_constant_pool) Constify a char*.
15244 * varasm.c (assemble_destructor, assemble_constructor,
15245 assemble_gc_entry, assemble_end_function, assemble_global,
15246 assemble_label, output_constant_pool): Likewise.
15248 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15250 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15251 explaining what is goin on in this function.
15253 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15255 * regclass.c (record_reg_classes): In matching case, recompute
15256 costs since the direction of movement is different.
15258 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15260 * resource.c (mark_target_live_regs): For unconditional branches,
15261 the resources found at the branch target should be added to the
15262 resources found so far, not intersected.
15264 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15266 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15268 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15269 (sys/mman.h): Include this file only if #HAVE_MMAP.
15270 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15271 with automatically concatenated ANSI strings.
15273 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15275 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15276 (DIV_ROUND_UP): Robustify.
15277 (ggc_recalculate_in_use_p): New function.
15278 (release_pages): Don't inline it.
15279 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15281 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15282 (clear_marks): Always save in_use_p.
15283 (sweep_pages): Use ggc_recalculate_in_use_p.
15284 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15285 Release pages before counting statistics.
15287 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15289 * toplev.c (rest_of_compilation): Fix thinko in this change:
15291 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15293 (rest_of_compilation): If inside an inlined external function,
15294 pretend we are just being declared.
15296 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15298 * flow.c (calculate_global_regs_live): Fix thinko.
15300 * integrate.c (expand_inline_function): Fix bugs in previous
15301 change from Oct 28, 1999.
15303 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15305 * stmt.c (expand_value_return): Fix typo in this change:
15307 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15308 (expand_value_return): Correctly convert VAL when promoting function
15309 return; support RETURN_REG being a PARALLEL.
15311 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15313 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15315 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15317 * hard-reg-set.h (reg_names): Constify a char*.
15319 * regclass.c (reg_names): Likewise.
15321 * regs.h (reg_names): Likewise
15323 * a29k/a29k.c (reg_names): Delete declaration.
15325 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15327 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15328 arc_output_function_epilogue): Likewise.
15330 * elxsi/elxsi.c (reg_names): Likewise.
15332 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15334 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15337 * m88k/m88k.c (output_function_profiler): Likewise.
15339 * sparc/sparc.c (sparc_flat_output_function_prologue,
15340 sparc_flat_output_function_epilogue): Likewise.
15342 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15344 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15345 warning from -Wuninitialized and put it under -W.
15346 * function.c (uninitialized_vars_warning): Warn only when the
15347 corresponding flag is set.
15349 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15351 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15352 is nonzero and the single set does not have an elt, then assign
15355 * simplify-rtx.c: New file.
15356 * Makefile.in (OBJS): Add simplify-rtx.o
15357 (simplify-rtx.o): Add dependencies.
15358 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15359 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15360 (cse_gen_binary, simplify_unary_operation): Delete.
15361 (simplify_binary_operation, simplify_plus_minus): Likewise.
15362 (check_fold_consts, simplify_relation_operation): Likewise.
15363 (simplify_ternary_operation): Likewise.
15364 (delete_trivially_dead_insns): Simplify the contents of the
15365 REG_EQUAL note before trying to substitute it into the source
15366 of the reg-reg copy at the end of a libcall sequence.
15368 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15369 references/callers changed.
15371 * mn10200.c (mn10200_va_arg): Force the return value into a
15374 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15376 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15379 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15381 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15383 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15385 * fold-const.c (fold): Fix thinko when optimizing comparisons
15388 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15390 * gcc.texi (Passes): Update front-end files to their current
15393 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15395 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15396 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15397 (PREDICATE_CODES): Add addition_operation.
15398 * alpha-protos.h (addition_operation): Declare.
15399 (secondary_reload_class): Likewise.
15400 * alpha.c (addition_operation): New.
15401 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15402 * alpha.md (adddi3): Turn into expander.
15403 (*lda, *adddi_2): New.
15404 (movsf, movdf patterns): Don't preference integer regs.
15405 (movsi, movdi patterns): Don't preference fp regs.
15407 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15409 * genrecog.c (write_switch): Check for duplicate CODE cases.
15411 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15413 * ggc-common.c: Update pre-function commentary.
15414 * ggc-page.c: Likewise.
15416 (poison_pages): Use memset directly.
15417 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15418 (ggc_collect): Poison before sweeping.
15419 * ggc-simple.c: Update pre-function commentary.
15420 (ggc_alloc_obj): Poison non-zeroed memory.
15422 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15424 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15425 match format string, even on 64-bit hosts.
15426 * gcc-page.c (ggc_page_print_statistics): Likewise.
15428 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15430 * config/i386/i386.c (ix86_cpu): Revert last patch.
15431 * config/i386/i386.h (ix86_cpu): Ditto.
15433 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15435 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15436 TYPE_SIZE, convert type of result to sizetype.
15438 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15440 * flow.c (count_or_remove_death_notes): Equate NULL with the
15443 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15444 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15447 * i386.c (pic_label_no): Delete.
15448 (ix86_attr_length_default): Don't use single_set to peek
15451 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15452 the first insn after bb->end.
15453 * i386.md (push mem peeps): Scratch is live after evaluation
15455 (cmp mem peep): Similarly.
15457 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15459 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15460 * function.c (pad_to_arg_alignment): Add missing braces.
15462 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15464 * alpha/alpha-protos.h (literal_section): Add prototype.
15465 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15468 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15470 (alpha_start_function, alpha_end_function, float_strings,
15471 alpha_need_linkage): Constify a char*
15473 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15475 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15477 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15479 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15481 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15483 * flow.c (debug_flow_info): Add prototype.
15485 * gcc.c (main): Likewise.
15487 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15490 * reload1.c (failed_reload, set_reload_reg): Likewise.
15492 * mips-tfile.c (main): Likewise.
15493 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15494 with ATTRIBUTE_NORETURN.
15496 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15498 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15499 DECL is not a memory ref.
15501 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15503 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15504 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15506 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15508 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15509 * config/mips/elf64.h: ditto.
15511 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15513 * expr.c (emit_push_insn): New argument alignment_pad.
15514 Update all callers. Adjust stack pointer based on alignment pad.
15515 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15516 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15517 (locate_and_pad_parm): New argument alignment_pad. Update all
15519 * expr.h (emit_push_insn): Update prototype.
15520 (locate_and_pad_parm): Update prototype.
15521 * calls.c (arg_data): Add new field alignment_pad.
15522 (initialize_argument_information): Initialize alignment_pad.
15524 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15526 * except.c (free_eh_nesting_info): Free the info itself.
15527 * function.c (free_after_compilation): Don't free NULL.
15528 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15529 (pre_edge_insert): Free inserted.
15530 * stmt.c (free_stmt_status): Don't free NULL.
15532 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15534 * gcov.c (DIR_SEPARATOR): Provide default.
15535 (output_data): Add test for MS-DOS format absolute filename.
15536 (fancy_abort): Correct program name.
15537 (open_files): Open all files in binary mode.
15538 * libgcc2.c (__bb_exit_func): Likewise.
15540 * profile.c (init_branch_prob): Specify binary when opening files.
15542 * flags.h (flag_unwind_tables): New decl.
15543 * toplev.c (flag_unwind_table): New definition.
15544 (f_options): Add -funwind-tables.
15545 (decode_g_option): Clarify warning when unknown -g option is given.
15546 (rest_of_compilation): If inside an inlined external function,
15547 pretend we are just being declared.
15549 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15550 (dwarf2out_frame_finish): Likewise.
15552 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15554 * fold-const.c (merge_ranges): If not in0, but in1, handle
15555 upper bounds equal like subset case.
15557 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15559 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15560 passed in a register but moved to the stack.
15562 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15564 * gcc.c (pass_exit_codes, greatest_status): New variables.
15565 (struct option_map): Add entry for "--pass-exit-codes".
15566 (execute): Update greatest_status if error.
15567 (display_help): Add documentation for -pass-exit-codes.
15568 (process_command): Handle -pass-exit-codes.
15569 (main): Look at pass_exit_codes and greatest_status on call to exit.
15571 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15573 * reload.c (find_reloads): Refine test for no input reload
15574 case to not includes reloads emitted after insn.
15576 * function.c (find_temp_slots_from_address): Handle sum involving
15577 a register that points to a temp slot.
15578 (update_temp_slot_address): Make recursive call if both old and
15579 new are PLUS with a common operand.
15580 * calls.c (expand_call): Mark temp slot for result as having
15583 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15585 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15586 component as well as "BINUTILS".
15588 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15589 * integrate.c (copy_rtx_and_substitute): Likewise.
15590 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15591 All callers changed.
15592 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15594 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15595 gdb extensions, write size of type; also be more consistent
15596 in using references when this is a subtype.
15598 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15599 that is out of range.
15601 * loop.c (unknown_constant_address_altered): New variable.
15602 (prescan_loop): Initialize it.
15603 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15604 (invariant_p, case MEM): Remove handling for volatile and readonly;
15605 check new variable if readonly.
15606 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15608 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15609 (addr_affects_sp_p): Removed from note_mem_written and only
15610 define #ifdef AUTO_INC_DEC.
15612 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15614 * regclass.c (record_reg_classes): Properly handle register move
15617 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15618 Don't think valid if both operands are invalid.
15619 (struct constant_descriptor): New field RTL.
15620 (mark_const_hash_entry): Mark it.
15621 (record_constant{,_rtx}): Initialize it.
15622 (output_constant_def): Allocate RTL in permanent obstack and
15624 ({record,compare}_constant_1): Modes must match for
15625 CONSTRUCTOR of ARRAY_TYPE.
15627 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15628 * output.h (initializer_constant_valid_p): Move decl to here.
15629 * c-common.c (initializer_constant_valid_p): Delete function from here.
15630 * varasm.c (initializer_constant_valid_p): Move function to here.
15632 * tree.h (STRIP_SIGN_NOPS): New macro.
15633 * fold-const.c (optimize_minmax_comparison): New function.
15634 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15635 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15636 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15637 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15638 widening conversions.
15639 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15640 to look at size of mode, not precision of type; also add missing cases.
15641 (optimize_bit_field_compare, decode_field_reference): Don't try to
15642 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15644 * dwarf2out.c (ctype.h): Include.
15645 (dwarf2out_set_demangle_name_func): New function.
15646 (size_of_line_info): Deleted.
15647 (output_line_info): Compute size of line info table from difference
15649 (base_type_die, add_name_attribute): Call demangle function, if any.
15650 (field_byte_offset): Use bits per word for variable length fields.
15651 (gen_array_type_die): Add array name.
15652 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15653 (dwarf2out_add_library_unit_info): New function.
15655 * explow.c (set_stack_check_libfunc): New function.
15656 (stack_check_libfunc): New static variable.
15657 (probe_stack_range): Allow front-end to set up a libfunc to call.
15659 * combine.c (simplify_comparison): When making comparison in wider
15660 mode, check for having commuted an AND and a SUBREG.
15661 (contains_muldiv): New function.
15662 (try_combine): Call it when dividing a PARALLEL.
15663 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15664 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15666 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15667 use one of the CLOBBERs instead.
15668 (if_then_else_cond): If comparing against zero, just return thing
15671 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15672 Don't generate shifts and subtract if have conditional arithmetic.
15674 * rtl.h (delete_barrier): New declaration.
15675 * jump.c (jump_optimize): Set up to handle conditional call.
15676 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15677 (delete_barrier): New function.
15679 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15681 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15683 * tree.c (build_type_attribute_variant): Push to obstack of
15684 ttype around type_hash_canon call.
15686 * expr.c (placeholder_list): Move decl to file scope.
15687 (expand_expr): Don't force access to volatile just because its
15689 If ignoring reference operations, just expand the operands.
15690 (expand_expr, case COMPONENT_REF): Propagate
15691 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15692 Refine test for using bitfield operations vs pointer punning.
15693 (expand_expr, case CONVERT_EXPR): If converting to
15694 BLKmode UNION_TYPE from BLKmode, just return inner object.
15695 Use proper mode in store_field call.
15696 Properly set sizes of object to store and total size in store_field
15697 call for convert to union.
15698 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15699 memory (like for ADDR_EXPR). Also, don't put constant in register if
15700 we'll want it in memory.
15701 (readonly_fields_p): New function.
15702 (expand_expr, case INDIRECT_REF): Call it if LHS.
15703 (expand_assignment): Handle a RESULT_DECL where
15704 DECL_RTL is a PARALLEL.
15705 (do_jump, case WITH_RECORD_EXPR): New case.
15706 (get_inner_reference): Always go inside a CONVERT_EXPR
15707 and NOP_EXPR if both modes are the same.
15708 (store_field): Use bitfield operations if size of bitsize is not same
15709 as size of RHS's type.
15710 Check for bitpos not a multiple of alignment in BLKmode case.
15711 Do block move in largest possible alignment.
15712 (store_constructor): Set BITSIZE to -1 for variable size and properly
15713 in case of array of BLKmode.
15714 (expand_expr_unaligned): New function.
15715 (do_compare_and_jump): Call it.
15717 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15718 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15719 does not include 'o'.
15721 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15722 both SET_DEST and SET_SRC reference a virtual register.
15723 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15725 * integrate.c (expand_inline_function): Handle case of setting
15726 virtual stack vars register (from built in setjmp); when parameter
15727 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15728 (subst_constant): Add new parm, MEMONLY.
15729 (expand_inline_function, integrate_parm_decls): Pass new parm.
15730 (integrate_decl_tree): Likewise.
15731 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15732 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15733 (copy_rtx_and_substitute, case SET): Add explicit calls to
15734 copy_rtx_and_substitute for both sides.
15736 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15738 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15739 within INDEX_TYPE, instead of before.
15740 (fixup_gotos): Use f->target_rtl, not the next insn,
15741 since latter may be from a later fixup.
15742 (expand_value_return): Correctly convert VAL when promoting function
15743 return; support RETURN_REG being a PARALLEL.
15744 (expand_return): When checking for result in regs and having
15745 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15747 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15749 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15750 last_nominal_fname): Mark const.
15751 (struct include_hash: name, nshort, control_macro): Mark
15753 (struct macrodef: symnam): Mark const.
15754 (struct if_stack: fname): Mark const.
15755 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15756 (IStable): New character-syntax array which encompasses all
15757 the old is_foo arrays.
15758 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15759 is_space): New macros for interrogating IStable.
15760 (check_macro_name): Kill last argument. All callers changed.
15762 * cppinit.c (initialize_char_syntax): Delete.
15763 (is_idchar, is_idstart, is_hor_space, is_space,
15764 trigraph_table): Delete.
15765 (IStable): New. Initialize with clever macros to avoid
15766 information duplication.
15767 (builtin_array): Table of builtins to get rid of explicit list
15768 in initialize_builtins.
15769 (initialize_builtins): Use builtins_array.
15770 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15771 opts->dollars_in_ident.
15773 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15775 (cpp_parse_expr): Avoid 'format string is not constant'
15776 warning. Use ISGRAPH to identify printable chars.
15777 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15779 (read_and_prescan): Map trigraphs to chars with open-coded
15780 if-else-if-... sequence, not a lookup table.
15781 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15783 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15784 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15785 (check_macro_name): Remove ability to report an invalid
15786 assertion name, which is never used.
15787 (do_line): Constify a couple of char *'s.
15788 * cppmain.c (main): Call cpp_cleanup before returning.
15790 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15792 * ggc.h (struct ggc_statistics): New type.
15793 (ggc_get_size): New function.
15794 (ggc_print_statistics): Likewise.
15795 * ggc-common.c (ggc_stats): New variable.
15796 (ggc_mark_rtx_children): Keep statistics.
15797 (ggc_mark_tree_children): Likewise.
15798 (ggc_print_statistics): New function.
15799 * ggc-page.c (struct globals): Add bytes_mapped field.
15800 (alloc_anon): Update it.
15801 (release_pages): Likewise.
15802 (ggc_get_size): New function.
15803 (ggc_page_print_statistics): New function.
15804 * ggc-simple.c (ggc_get_size): New function.
15806 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15808 * flow.c (propagate_block): When the last reference to a label
15809 before an ADDR_VEC is deleted because the reference is a dead
15810 store, delete the ADDR_VEC.
15812 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15814 * resource.c (find_free_register): Don't use the frame pointer
15815 if frame_pointer_needed.
15817 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15819 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15820 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15822 * config/i960/i960.c (i960_va_start): New locals base, num.
15823 Use INDIRECT_REF instead of ARRAY_REF on valist.
15824 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15826 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15828 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15830 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15832 * tree.def (PLACEHOLDER_EXPR): Update comments.
15834 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15836 * c-common.c (check_format_info): Avoid non-literal format string
15837 warnings when `first_arg_num' is zero.
15839 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15841 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15843 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15845 * arm.md (casesi_insn): Add a clobber of the condition code
15848 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15850 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15851 used by both cc1 and cc1plus.
15853 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15855 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15856 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15857 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15858 to the value 32 if it has not already been defined.
15859 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15860 Override definition in arm.h with a value of 8.
15862 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15864 * c-pragma.c (push_alignment): Don't check the return value
15867 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15869 * sparc.h (ADJUST_COST): Fix thinko.
15871 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15873 * cccp.c (rescan): Fixed obp pointer handling around call to
15874 check_expand subroutine.
15876 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15878 * gcse.c (delete_null_pointer_checks): Only record non-null info
15879 for pseudos when examining stores.
15881 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15882 splitters for these patterns. Use "#" for output templates.
15883 (addsi3_carryin_shift): New pattern.
15885 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15887 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15888 of the function return register into a plain REG until
15889 after function inlining is done.
15891 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15893 * jump.c (jump_optimize_1): If we did cross-jumping, and
15894 the data will matter, rebuild the CFG.
15895 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15896 not optimizing. Don't run shorten_branches.
15897 * toplev.c (rest_of_compilation): Run shorten_branches after
15900 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15902 * rtl.h (note_stores): Add additional paramter.
15903 * rtlanal.c (reg_set_p_1): Take additional paramter.
15904 (reg_set_last_1): Likewise.
15905 (reg_set_p): Adjust call to note_stores.
15906 (reg_set_last): Likewise.
15907 (note_stores): Pass data parameter to worker function.
15908 * alias.c (record_set): Take additional parameter.
15909 (init_alias_analysis): Pass it.
15910 * caller-save.c (mark_set_regs): Take additional parameter.
15911 (save_call_clobbered_regs): Pass NULL to note_stores.
15912 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15914 (record_dead_and_set_regs_1): Likewise.
15915 (reg_dead_at_p_1): Likewise.
15916 (combine_instructions): Adjust calls to note_stores.
15917 (try_combine): Likewise.
15918 (record_dead_insn): Remove.
15919 (record_dead_and_set_regs): Adjust calls to note_stores.
15920 (reg_dead_at_p): Likewise.
15921 * cse.c (invalidate_skipped_set): Take additional parameter.
15922 (cse_check_loop_start): Likewise.
15923 (cse_check_loop_start_value): Remove.
15924 (cse_set_around_loop): Adjust calls to note_stores.
15925 * flow.c (notice_stack_pointer_modification): Take additional
15926 parameter. Remove duplicate declaration.
15927 (record_volatile_insns): Adjust calls to note_stores.
15928 * gcse.c (record_set_info): Take additional parameter.
15929 (record_last_set_info): Likewise.
15930 (invalidate_nonnull_info): Likewise.
15931 (record_set_insn): Remove.
15932 (compute_sets): Adjust calls to note_stores.
15933 (last_set_insn): Remove.
15934 (compute_hash_table): Adjust calls to note_stores.
15935 (insert_insn_end_bb): Likewise.
15936 (delete_null_pointer_checks): Likewise.
15937 * global.c (mark_reg_store): Take additional parameter.
15938 (mark_reg_clobber): Likewise.
15939 (reg_becomes_live): Likewise.
15940 (global_conflicts): Adjust calls to note_stores.
15941 (build_insn_chain): Likewise.
15942 * integrate.c (note_modified_parmregs): Take additional parameter.
15943 (mark_stores): Likewise. Make it static.
15944 (save_for_inline_nocopy): Adjust calls to note_stores.
15945 (try_constants): Likewise.
15946 * integrate.h (mark_stores): Remove declaration.
15947 * jump.c (mark_modified_reg): Take additional parameter.
15948 (thread_jumps): Adjust calls to note_stores.
15949 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15951 (no_equiv): Likewise.
15952 (reg_is_set): Likewise.
15953 (validate_equiv_mem): Adjust calls to note_stores.
15954 (update_equiv_regs): Likewise.
15955 (block_alloc): Likewise.
15956 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15957 (note_addr_stored): Take additional parameter.
15958 (note_set_pseudo_multiple_uses): Likewise.
15959 (record_initial): Likewise.
15960 (prescan_loop): Adjust calls to note_stores.
15961 (strength_reduce): Likewise.
15962 (check_dbra_loop): Likewise.
15963 * regmove.c (flags_set_1): Take additional paramter.
15964 (mark_flags_life_zones): Adjust calls to note_stores.
15965 * reload1.c (mark_not_eliminable): Take additional parameter.
15966 (forget_old_reloads_1): Likewise.
15967 (reload_cse_invalidate_rtx): Likewise.
15968 (reload_cse_check_clobber): Likewise.
15969 (reload_combine_note_store): Likewise.
15970 (move2add_note_store): Likewise.
15971 (reload): Adjust calls to note_stores.
15972 (reload_as_needed): Likewise.
15973 (emit_reload_insns): Likewise.
15974 (reload_cse_regs_1): Likewise.
15975 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15976 (reload_combine): Adjust calls to note_stores.
15977 * resource.c (update_live_status): Take additional paramter.
15978 (mark_target_live_regs): Adjust calls to note_stores.
15979 * stupid.c (find_clobbered_regs): Take additional parameter.
15980 (stupid_life_analysis): Adjust calls to note_stores.
15982 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15984 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15987 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15990 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15991 of the variable arm_structure_size_boundary.
15993 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15995 * alias.c (init_alias_analysis): Allocate reg_known_value and
15996 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15998 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15999 * cse.c (cse_main): Call end_alias_analysis.
16000 * haifa-sched.c (schedule_insns): Likewise.
16001 * local-alloc. (update_equiv_regs): Likewise.
16002 * reload1.c (reload_cse_regs): Likewise.
16004 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16006 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16007 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16008 mapping from MASK_FPU.
16010 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16012 * sparc.md (call): Don't bound structure return size to 0xfff.
16014 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16016 * resource.c (mark_target_live_regs): Check that the target
16017 insn wasn't created after compute_bb_for_insn.
16019 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16021 * ggc-page.c (poison_pages): Don't be overzealous.
16023 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16025 * alias.c: Update comments for ADDRESS.
16026 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16027 it is a local memory reference.
16029 * c-typeck.c (build_function_call): Check that the built-in
16030 function is of class BUILT_IN_NORMAL before trying to recongize
16031 it as BUILT_IN_ABS.
16032 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16033 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16035 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16037 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16039 (pre_gcse): Likewise.
16040 (hoist_expr_reaches_here_p): Likewise.
16041 (hoist_code): Likewise.
16042 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16044 (pre_expr_reaches_here_p_work): ... here.
16045 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16047 (expr_reaches_here_p_work): ... here.
16049 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16051 * resource.c (find_basic_block): Delete.
16052 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16053 (init_resource_info): Call compute_bb_for_insn.
16055 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16057 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16058 with already adjacent blocks, but no fallthru.
16059 (merge_blocks_move_successor_nojumps): Simplify.
16060 (debug_flow_info): New.
16062 * toplev.c (rest_of_compilation): Open jump1 dump file before
16063 jump and close after, as opposed to just using dump_rtl.
16065 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16067 * reload.h (earlyclobber_operand_p): Declare.
16068 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16069 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16070 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16071 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16073 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16074 Richard Henderson <rth@cygnus.com>
16076 * emit-rtl.c (emit_block_insn_before): New.
16077 (emit_block_insn_after): New.
16078 * basic-block.h: Declare them.
16080 * bitmap.h: Protect from multiple inclusion.
16082 * recog.c (scratch_operand): Handle VOIDmode correctly.
16084 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16086 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16087 * function.c (assign_parms): Likewise.
16088 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16090 * reg-stack.c (max_uid): Remove.
16091 (blocks, block_begin, block_end, block_drops_in): Remove.
16092 (block_stack_in, block_out_reg_set, block_number): Remove.
16093 (struct block_info_def, BLOCK_INFO): New.
16094 (enum emit_where): New.
16095 (current_block): New.
16096 (BLOCK_NUM): Remove.
16097 (mark_regs_pat, record_label_references): Remove.
16098 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16100 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16101 (reg_to_stack): Simplified test for existance of fp code. Use
16102 flow.c code. Call shorten_branches after cross-jump opt.
16103 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16104 Return false if the asm doesn't use stack regs. Don't do life
16105 analysis on the asm.
16106 (emit_pop_insn): Replace function pointer arg `when' with
16107 enum `where'. Update all callers.
16108 (change_stack): Likewise. Update basic block end.
16109 (emit_swap_insn): Use current_block->head to limit reverse search
16110 for start of block. Use emit_block_insn_after.
16111 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16112 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16113 structure assignment instead of bcopy.
16114 (print_stack): New.
16115 (convert_regs_entry, convert_regs_exit): New.
16116 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16117 Work on basic blocks and the CFG.
16118 (convert_regs): Use them.
16120 * i386.c (output_fix_trunc): Remove code for DImode input operand
16121 not at top-of-stack.
16122 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16124 (fix_truncdi_1): Allow any mode scratch.
16126 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16128 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16129 * linux.h, netbsd.h, vms.h: Not here.
16131 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16133 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16134 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16135 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16136 CONDITIONAL_REGISTER_USEAGE): Use them.
16137 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16138 gen_conditional_branch,override_options) : Use them.
16139 * config/mips/mips.md : Use them.
16141 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16143 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16145 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16147 * integrate.c (function_cannot_inline_p): Don't allow inlining
16150 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16152 * c-parse.in (cast_expr): Constify.
16154 * cccp.c (special_symbol): Likewise.
16156 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16158 * dwarf2out.c (base_type_die): Likewise.
16160 * global.c (allocno_compare): Likewise.
16162 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16164 * regclass.c (fix_register): Likewise.
16166 * rtl.h (fix_register): Likewise.
16168 * stupid.c (stupid_reg_compare): Likewise.
16170 * toplev.c (decode_f_option): Likewise.
16172 * tree.c (build_complex_type): Likewise.
16174 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16176 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16178 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16180 * reload.c (find_reloads): Compute mode and nregs fields of all
16182 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16183 (calculate_needs): Use precomputed mode/nregs values.
16184 (allocate_reload_reg): Likewise.
16186 (failed_reload, set_reload_reg): ... new functions.
16187 (choose_reload_regs_init): New function, mostly broken out from...
16188 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16189 Also lose one #if 0 block.
16191 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16193 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16196 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16198 * tree.h (BLOCK_TYPE_TAGS): Remove.
16199 (BLOCK_END_NOTE): Likewise.
16200 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16201 (BLOCK_LIVE_RANGE_START): Likewise.
16202 (BLOCK_LIVE_RANGE_END): Likewise.
16203 (tree_block): Remove live_range_flag, live_range_var_flag, and
16204 type_tags. Remove end_note, live_range_start, and live_range_end.
16205 (remember_end_note): Remove prototype.
16206 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16207 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16209 * ggc-common.c (ggc_mark_tree_children): Don't mark
16210 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16211 * integrate.c (adjust_copied_decl_tree): Remove.
16212 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16213 * stmt.c (last_block_end_note): Remove.
16214 (init_stmt): Don't add a GC root for it.
16215 (expand_fixup): Don't set it.
16216 (remember_end_note): Remove.
16217 (expand_end_bindings): Don't set last_block_end_note.
16219 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16221 * reload1.c (reload_reg_free_for_value_p): Show
16222 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16225 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16227 * expmed.c (extract_bit_field): Allow for the case of non-integer
16228 objects that are smaller than a word (like SFmode on a 64-bit
16231 * loop.c (basic_induction_var): A non-integer variable which is
16232 being set by a paradoxical subreg is probably not a biv.
16234 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16236 * prefix.c (translate_name) Check for empty prefix string.
16238 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16240 * Makefile.in (CPP_CROSS_NAME): New variable.
16241 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16243 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16244 names of the files to be uninstalled.
16246 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16248 * collect2.c (IS_DIR_SEPARATOR): Define.
16249 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16251 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16254 * haifa-sched.c (add_dependence): Update the true dependency
16255 cache the first time we add a true dependence to the LOG_LINKS chain.
16257 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16259 * fold-const.c (fold): Fix comment.
16261 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16263 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16264 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16265 dbxout_start_new_source_file, dbxout_source_file,
16266 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16267 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16269 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16270 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16271 (dbxout_block): Initialize variable `blocknum'.
16273 * dbxout.h (dbxout_init, dbxout_finish,
16274 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16275 dbxout_args, dbxout_source_line): Constify a char*.
16277 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16278 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16279 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16280 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16281 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16282 src_info_attribute, mac_info_attribute, producer_attribute,
16283 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16284 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16285 dwarfout_undef): Constify a char*.
16286 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16288 * dwarfout.h (dwarfout_define, dwarfout_undef,
16289 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16291 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16293 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16294 (MULTILIB_ISA_DEFAULT): New.
16295 (MULTILIB_DEFAULTS): Use it.
16296 * config/mips/mips.c (): Remove the now unnecessary definition
16297 of MIPS_ISA_DEFAULT.
16298 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16299 unnecessary definition.
16301 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16303 * arm.md (pic_load_addr): Add constraints to operand 1.
16305 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16307 * fixinc/genfixes: Provide a means for specifying -D options to
16310 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16312 * arm.c (arm_override_options): Correct initialization of
16313 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16314 arm_is_strong, and arm_is_6_or_7.
16316 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16317 (note_set_pseudo_multiple_uses): New function.
16318 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16319 if a pseudo set in the loop exit is used elsewhere.
16321 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16323 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16325 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16327 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16328 a single load-address pattern.
16330 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16332 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16333 depending on whether or not line-number notes are present.
16335 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16337 * cccp.c (progname, file_buf, default_include, include_file,
16338 macrodef, definition, hashval, wchar_type, user_label_prefix,
16339 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16340 expand_to_temp_buffer, is_system_include, base_name,
16341 absolute_filename, read_name_map, open_include_file,
16342 record_control_macro, check_precompiled, check_preconditions,
16343 pcfinclude, pass_thru_directive, create_definition,
16344 check_macro_name, comp_def_part, collect_expansion,
16345 check_assertion, read_token_list, assertion_install,
16346 assertion_lookup, eval_if_expression, conditional_skip,
16347 validate_else, skip_quoted_string, quote_string, macarg1,
16348 error_from_errno, install, lookup, hashf, dump_defn_1,
16349 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16350 check_white_space, rescan, handle_directive, monthnames,
16351 special_symbol, do_include, remap_include_file, write_output,
16352 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16353 do_ident, do_sccs, do_xifdef, skip_if_group,
16354 output_line_directive, macroexpand, macarg, change_newlines,
16355 initialize_builtins, make_definition): Constify a char*.
16357 * pcp.h (stringdef): Likewise.
16359 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16361 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16364 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16365 Richard Henderson <rth@cygnus.com>
16367 * alias.c: Include ggc.h.
16368 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16369 (record_set): Verify enough room in reg_base_value.
16370 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16371 Register it as a GC root.
16372 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16373 * Makefile.in (alias.o): Depend on ggc.h.
16375 * unroll.c (unroll_loop): Verify the insn before a barrier
16376 is a JUMP_INSN before checking JUMP_LABEL.
16378 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16380 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16381 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16382 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16383 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16384 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16385 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16387 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16389 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16391 * alpha/alpha-interix.h (text_section): Delete prototype.
16392 * alpha/elf.h (text_section): Likewise.
16393 * arm/linux-elf.h (text_section): Likewise.
16394 * arm/linux-telf.h (text_section): Likewise.
16395 * c4x/c4x.h (text_section): Likewise.
16396 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16397 * elfos.h (text_section): Likewise.
16398 * i386/aix386ng.h (text_section): Likewise.
16399 * i386/i386-interix.h (text_section): Likewise.
16400 * i386/sco5.h (text_section): Likewise.
16401 * i386/svr3gas.h (text_section): Likewise.
16402 * nextstep.h (text_section): Likewise.
16403 * psos.h (text_section): Likewise.
16404 * ptx4.h (text_section): Likewise.
16405 * svr3.h (text_section): Likewise.
16406 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16408 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16410 * final.c (peephole): Delete prototype.
16412 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16413 (pre_insert_copies): Remove unused variable `bb'.
16415 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16418 * output.h (peephole): Add prototype.
16420 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16422 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16425 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16427 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16428 for inlined declarations.
16430 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16432 * arm.c (logical_binary_operator): New fucntion.
16433 * arm.h (logical_binary_operator): Declare it.
16434 (PREDICATE_CODES): Handle logical_binary_operator.
16435 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16436 output constraints. Add appropriate splitters.
16437 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16438 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16439 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16441 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16443 * genoutput.c (struct operand_data): New elt eliminable.
16444 (output_operand_data): Write it.
16445 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16446 (compare_operands): Take it into account.
16447 * recog.h (struct insn_operand_data): New elt eliminable.
16448 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16450 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16451 (eliminate_regs): Move code that detects changes to elimination
16452 target regs into new function elimination_effects.
16453 Delete one #if 0 block.
16454 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16455 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16456 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16457 Only call eliminate_regs for real operands of the insn, not for parts
16458 of its structure or parts matched by things like match_operator.
16459 Use elimination_effects and check_eliminable_occurrences. Use
16460 copy_insn to duplicate the pattern when not in the final pass.
16462 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16464 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16467 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16469 * fixinc/README: document the "mach" machine matching test
16470 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16471 * fixinc/fixtests.c: Implement the #else/#endif label test
16472 * fixinc/inclhack.def: utilize these tests and fixes
16473 * fixinc/inclhack.sh: regen
16474 * fixinc/fixincl.x: regen
16475 * fixinc/fixincl.sh: regen
16477 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16479 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16482 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16484 * gcc.1: Document exit codes.
16486 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16488 * calls.c: Include tm_p.h later, so everything we need is defined.
16489 * expr.c: Likewise.
16490 * function.c: Likewise.
16492 * except.c: Include tm_p.h.
16494 * sparc.c: Likewise.
16495 (dwarf2out_cfi_label): Don't prototype.
16496 (check_return_regs, epilogue_renumber,
16497 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16498 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16499 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16500 ultra_schedule_insn): Add static prototype.
16501 (data_segment_operand, text_segment_operand): Call itself with the
16502 proper number of arguments.
16503 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16505 * sparc.h: Move all declarations to sparc-protos.h.
16506 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16509 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16511 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16513 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16514 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16515 ASM_OUTPUT_ASCII): Constify a char*.
16517 * sparc-protos.h: New file for sparc prototypes.
16519 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16521 * function.c (record_insns, contains): Always declare and define.
16522 (record_insns): Mark with ATTRIBUTE_UNUSED.
16524 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16526 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16527 to .section when outputting a .bss section to deal with multiple
16528 .bss input sections (as happens with -fdata-sections)
16529 Also output %progbits, not @progbits so the assembler doesn't treat as
16531 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16533 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16534 thumb parts even when building with non-thumb CPUs, by forcing
16537 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16539 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16540 (movdf_const_intreg_sp64): Similarly.
16542 * local-alloc.c (update_equiv_regs): Check the correct insn
16543 for pre-existing REG_EQUIV notes.
16545 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16547 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16548 block reached by a branch if we're not going to actually process
16551 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16553 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16554 a local extern function declaration.
16556 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16558 * i386.c (ix86_expand_prologue): Properly wrap USE around
16559 reg for CALL_INSN_FUNCTION_USAGE.
16561 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16563 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16564 move between GP_REGs.
16566 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16568 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16569 the mode size when finding out if an offset is legal.
16571 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16573 * basic-block.h (PROP_*): Move constants from ...
16574 * flow.c: ... here.
16575 (compute_bb_for_insn): Free the array before reallocating.
16576 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16577 (allocate_reg_life_data): Reset all reg variables collected by
16579 (get_block_head_tail): Don't convert from bb to block.
16580 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16581 (find_insn_reg_weight): Take block not bb.
16582 (schedule_block): Don't set block num for moved insns.
16583 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16584 (schedule_insns): Do it here instead.
16585 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16586 before update_life_info.
16587 * recog.c (split_all_insns, peephole2_optimize): Update for
16588 new arg to update_life_info.
16589 * rtlanal.c (remove_note): Cope with NULL note.
16590 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16593 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16595 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16597 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16598 block records so that merge_blocks_nomove will clean up correctly.
16599 (split_edge): Handle casesi insns.
16601 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16603 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16605 * pa.md (call, call_value): Do not emit a blockage after restoring
16608 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16610 * c-typeck.c (c_expand_asm_operands): Fix typo.
16612 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16614 * arm.c (fpu_rhs_operand): Verify modes.
16615 (fpu_add_operand): Likewise.
16616 (di_operand): Likewise.
16617 (soft_df_operand): Likewise.
16619 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16621 * arm.c (arm_return_in_memory): APCS rules state that the elements
16622 of a structure returned in a register must be 'integer-like'.
16624 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16626 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16627 in the source tree when the generated targets are out of date
16628 * fixinc/genfixes: Alter it to run individual fixes for make.
16629 * fixinc/README: rewrite
16630 * fixinc/inclhack.def: moved initial comments to README
16632 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16634 * toplev.c (main): Do not generate an error message if an
16635 unrecognised command line switch is recognisable by another
16636 language. If extra_warnings are enabled, then generate a
16637 warning message instead.
16639 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16641 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16642 (insert_pack_attributes): Delete prototype.
16644 * c-pragma.c (default_alignment): New static variable.
16645 (push_alignment): Initialize to current effective alignment.
16646 (pop_alignment): Use to set new alignment.
16647 (insert_pack_attributes): Delete function.
16648 (handle_pragma_token): Set default_alignment as well each time
16649 a #pragma pack(<n>) is encountered.
16651 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16653 * reg-stack.c (stack_result): Aggregates are not returned in
16656 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16658 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16660 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16662 * basic-block.h (set_block_num): Declare.
16663 * flow.c (update_life_info): Don't call compute_bb_for_insn
16664 or free_basic_block_vars.
16665 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16666 (insn_orig_block): Remove.
16667 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16668 (schedule_block): Keep BLOCK_NUM up-to-date.
16669 (schedule_insns): Use compute_bb_for_insn.
16670 * recog.c (split_all_insns): Likewise.
16671 (peephole2_optimize): Likewise.
16673 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16675 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16676 if the pic register is used.
16678 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16680 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16681 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16682 if that tests TREE_PERMANENT.
16684 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16686 * cse.c (invalidate_for_call): Do not remove memory references from
16687 the table here. It's handled elsewhere.
16689 * haifa-sched.c (add_dependence): Protect references to the
16690 true dependency cache with #ifdef INSN_SCHEDULING.
16691 (remove_dependence): Similarly.
16693 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16694 to the cfg code that this is a return instruction.
16695 * mn10300.md (return_internal): Similarly.
16697 * combine.c (get_last_value): If the last set of a register
16698 is after subst_low_cuid, then we can not use it to determine
16699 the register's last value.
16701 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16703 * Makefile.in: Back out previous change.
16705 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16707 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16709 * haifa-sched.c (add_dependence): Only check/update the cache
16711 (remove_dependence): Likewise.
16712 (schedule_insns): Only create the true_dependency_cache if the
16713 average number of instructions in a basic block is very large.
16715 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16717 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16718 (ggc-simple.o): Likewise.
16719 (ggc-page.o): Likewise.
16721 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16723 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16724 Prototype for exported functions.
16725 (pre_lcm, pre_rev_lcm): Remove prototypes.
16726 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16727 (compute_available): Move to lcm.c, and change parameter order.
16728 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16729 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16730 (gcse_main): No longer call compute_preds_succs. Rebuild the
16731 set table after reach pre pass.
16732 (pre_insert_map, pre_delete_map, edge_list): New.
16733 (alloc_pre_mem): Allocate edge vectors.
16734 (free_pre_mem): Delete edge vectors.
16735 (compute_pre_data): Call new edge based lcm routines.
16736 (process_insert_insn): New function.
16737 (insert_insn_end_bb): Use it.
16738 (pre_edge_insert): New function.
16739 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16741 (pre_insert_copies): Revamp using new edge based lcm outputs.
16742 (pre_delete): Likewise.
16743 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16745 (compute_code_hoist_vbeinout): New new edge based routines.
16746 * lcm.c: Remove all the old LCM functions. Replace with new ones
16747 that work with the new cfg datastructures and work with edges
16750 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16752 * reload.h (struct reload): Add new fields "mode" and "nregs".
16753 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16754 to reference the "mode" and "nregs" field within struct reload.
16756 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16758 * haifa-sched.c (true_dependency_cache): New.
16759 (add_dependence): Use the true dependency cache to avoid expensive
16760 walks down the LOG_LINKS dependency list. Add entries to the
16761 cache as necessary.
16762 (remove_dependence): Remove entries from the true dependency cache
16764 (schedule_insns): Allocate and initialize and free the true
16767 * haifa-sched.c (schedule_insns): Do not remove inter-block
16768 dependencies anymore.
16770 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16772 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16773 * i386/t-winnt: Likewise.
16775 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16777 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16779 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16781 * Makefile.in (LANGUAGES): Omit "proto".
16782 (clean): Remove stale comment about removing unprotoize.c.
16784 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16786 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16787 using arithmetic on void pointers.
16789 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16791 * haifa-sched.c (compute_block_forward_dependencies): Only check
16792 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16794 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16796 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16797 (expr_equiv_p): Reject memories with different alias sets.
16799 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16801 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16802 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16803 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16804 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16805 (lang_init): Set default for flag_bounds_check if still "unspecified".
16807 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16809 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16811 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16813 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16816 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16818 * config/c4x/c4x.md (*db_noclobber,
16819 *decrement_and_branch_until_zero_noclobber): New patterns and
16820 associated splitters.
16822 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16824 * config/c4x/c4x.md (parallel instruction patterns): Rework
16825 constraints to keep reload happy.
16827 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16829 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16830 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16831 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16832 Add new patterns and associated post-reload splitters.
16834 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16836 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16838 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16840 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16842 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16844 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16846 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16849 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16851 * pa.c (move_operand): Rely on memory_address_p to determine the
16852 validity of non-indexed memory addresses.
16853 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16854 operand in DFmode and SFmode when generating PA2.0 code.
16856 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16858 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16860 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16862 * mips.c (function_prologue): Fix argument types.
16863 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16864 (casesi_internal): Write to the scratch register.
16866 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16868 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16870 (parse_charconst): Delete unnecessary cast when calling
16872 (cpplib.h): Kill prototype of cpp_parse_escape.
16874 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16876 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16877 * unroll.c (unroll_loop): Cast return value of alloca.
16878 * i370/i370.c: Include function.h and toplev.h.
16879 (i370_label_scan): Remove c++ commented abort.
16880 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16881 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16882 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16883 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16885 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16887 * config/t-freebsd: Do not override USER_H.
16888 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16890 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16891 Mumit Khan <khan@xraylith.wisc.edu>
16893 * c-parse.in (component_decl): Support anonymous struct/union.
16895 * c-parse.y: Regenerate.
16896 * c-parse.c: Likewise.
16897 * objc/objc-parse.y: Likewise.
16898 * objc/objc-parse.c: Likewise.
16899 * c-decl.c (finish_struct): Don't sort the fields.
16900 (field_decl_cmp): Delete unused function.
16902 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16904 * sparc.md (movsf_const_intreg): Revert last constraint change.
16905 (movdf_const_intreg_sp32): Likewise.
16907 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16909 * cse.c: Include hashtab.h instead of splay-tree.h
16910 (struct cse_reg_info): No longer use variant union. Add new
16911 field "regno". All references changed to avoid union.
16912 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16913 (free_cse_reg_info): Remove.
16914 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16915 (get_cse_reg_info): Revamp to use expandable hash tables instead
16916 of splay trees. Initialize new fields in cse_reg_info structure.
16917 (new_basic_block): Similarly.
16919 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16921 * genrecog.c (message_with_line): Prototype.
16922 (validate_pattern): Pass along the set for the dest, not a flag.
16923 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16924 Check for PC/CC0 as sources.
16925 (nodes_identical): Check for children position match before
16926 allowing the combination.
16928 * rtl.c (read_rtx): Track line number across \\\n.
16930 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16932 * mips.h (SPECIAL_MODE_PREDICATES): New.
16933 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16934 (movdi+1, movsi+1): Add output reload constraint.
16935 (casesi_internal): Likewise. Fix commentary.
16936 (return_internal): Use pmode_register_operand.
16938 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16940 * 1750a.md (movstrqi): Add missing output reload constraint.
16941 (call_value): Likewise.
16942 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16943 (jmpfdec): Add missing inout reload constraint.
16944 * elxsi.md (addsi patterns): Add missing output reload constraint.
16945 (move from sp): Use @ alternates.
16946 (call_value): No constraint on output.
16947 * fr30.md (movsi_pop): Add missing output reload constraint.
16948 (movsf_constant_store): Likewise.
16949 (splits): Remove constraints.
16950 (subsi3): Add missing mode.
16951 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16952 (call_value): Likewise.
16953 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16954 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16955 * m32r.md (movsicc_internal): Add output reload constraint.
16956 (movstrsi_internal): Add inout reload constraints.
16957 * m88k.h (reg_names): Don't declare.
16958 (SPECIAL_MODE_PREDICATES): New.
16959 * m88k.md (*): Use register_operand not reg_or_0_operand
16961 * mn10200.h (PREDICATE_CODES): New.
16962 * ns32k.md (ffs pattern): Add output reload constraint.
16963 * pdp11.md (sob pattern): Add inout reload constraint.
16964 * sh.md (splits): Remove constraints.
16965 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16966 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16967 * vax.md (jgequ pattern): Add inout reload constraint.
16969 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16971 * configure.in (djgpp): Revert previous patch.
16972 * configure: Rebuit.
16973 * config/i386/djgpp.h: Revert previous patch.
16975 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16977 * fixinc/inclhack.def: Restore patch lost during last merge of
16978 "no_bogosity" branch.
16979 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16981 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16983 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16984 * fixinc/inclhack.def: Same.
16985 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16987 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16989 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16990 as the base of a PLUS.
16992 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16994 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16995 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16997 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16999 * pa.md (post_stw+1): Use pmode_register_operand.
17000 (dcacheflush, icacheflush): Likewise.
17002 * i386.md (movstricthi_1): Allow r/r.
17004 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17006 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17007 to (not (and (arg0) (arg1))). Similary for and.
17009 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17010 fallthrough to associate code.
17011 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17014 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17015 no bits in common; remove XOR to ROTATE conversion.
17017 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17019 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17021 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17023 * config/c4x/c4x.c (dst_operand): New.
17024 (PREDICATE_CODES): Update.
17025 * config/c4x/c4x.h (dst_operand): Declare it.
17026 * config/c4x/c4x.md: Define mode for each unspec usage.
17027 (move patterns): Use dst_operand predicate instead of src_operand.
17028 (movqi_update, movqf_update): Delete.
17030 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17032 * recog.c (pmode_register_operand): New.
17033 * recog.h: Declare it.
17034 * genrecog.c (pred_codes): Likewise.
17035 (special_mode_pred_table): Likewise.
17036 (validate_pattern): Don't warn no mode for address_operand.
17038 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17039 if the operand is not insn-like.
17041 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17042 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17044 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17046 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17048 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17049 instead of general_operand in a SET_DEST. Use const_double_operand
17050 instead of an explicit test against CONST_DOUBLE.
17051 (movsf_const_lo): Add missing register mode.
17052 (goto_handler_and_restore): Add auxiliary test for Pmode.
17053 (flush): Adjust to use address_operand.
17054 (return_sf_no_fpu): Add missing output constraint.
17056 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17058 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17059 for call return value.
17060 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17062 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17064 * toplev.c (main): Only warn about options for other languages.
17065 * collect2.c (main): Pass -w to sub-gcc.
17067 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17069 * flow.c (propagate_block): Add call-clobbered registers to
17072 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17073 zapping mem_set_list.
17074 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17075 (mark_set_1, mark_used_regs): Likewise.
17077 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17079 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17081 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17083 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17084 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17085 options. Also add a new item "C-only Warning Options" to the
17088 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17090 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17091 from multiple calls.
17093 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17095 * i386.md (call value patterns): Move to the end of the file.
17096 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17098 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17100 * configure.in (djgpp configuration): Define extra_objects..
17101 * configure: Rebuilt.
17102 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17103 (DTORS_SECTION_ASM_OP): Define.
17104 (INIT_SECTION_ASM_OP): Define.
17105 (FINI_SECTION_ASM_OP): Define.
17106 (DATA_SECTION_ASM_OP): Define.
17107 (TEXT_SECTION_ASM_OP): Define.
17108 (EH_FRAME_SECTION_ASM_OP): Define.
17109 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17110 (STARTFILE_SPEC): Add crtbegin.o.
17111 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17112 to here from LINK_COMMAND_SPEC.
17113 (DO_GLOBAL_CTORS_BODY): Define.
17114 (CRTSTUFF_USE_FINI_SECTION): Define
17115 (HAS_INIT_SECTION): Delete.
17117 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17119 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17121 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17123 * pa.h (PREDICATE_CODES): New.
17125 * genrecog.c (validate_pattern): Condense the destination
17126 non-lvalue message.
17128 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17130 * alpha.md (call-1): Supply missing mode for operator.
17131 (*): Add missing output reload constraints. Remove constraints
17132 from define_splits.
17134 * i386.h (SPECIAL_MODE_PREDICATES): New.
17135 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17136 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17137 (addsi_lea_3): Add missing mode for op 3.
17138 (prologue_set_got, prologue_get_pc): Add missing modes.
17139 (*) Add missing output reload constraints.
17141 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17143 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17144 check for member bit-size overflow and use var_size if it occurs.
17145 (layout_record): Use bitsize_int() to define the type size in bits.
17146 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17147 (layout_decl): Likewise when assigning to DECL_SIZE.
17149 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17151 * genrecog.c (validate_pattern): Typo last change. Verify
17152 that output operands have output reloads.
17154 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17156 * genrecog.c (special_mode_pred_table): New.
17157 (NUM_SPECIAL_MODE_PREDS): New.
17158 (find_operand): New.
17159 (validate_pattern): New argument `insn'. Warn for assignment to
17160 any predicate accepting non-lvalues. Conditionaly warn for
17161 match_operand without a mode. Try much harder to match source
17162 and destination modes on a set.
17163 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17165 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17167 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17169 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17171 * combine.c (simplify_logical): Recognize xor pattern that encodes
17174 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17176 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17179 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17181 * ggc-page.c (MAP_FAILED): Provide default.
17183 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17185 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17186 * sparc.h (PREDICATE_CODES): Update.
17188 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17190 * alpha.c (some_ni_operand): New.
17191 * alpha-protos.h: Declare it.
17192 * alpha.h (PREDICATE_CODES): Update.
17193 * alpha.md (sXaddq reload insns): Use some_ni_operand
17194 for SET_DEST instead of some_operand.
17196 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17197 Jim Wilson <wilson@cygnus.com>
17199 * genrecog.c (maybe_both_true_2): Don't compare modes of
17201 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17202 after find_afterward.
17203 (debug_decision_1): Dump next and afterward codes.
17205 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17207 * rtl.c (dump_and_abort): Remove.
17208 (fatal_with_file_and_line): New.
17209 (fatal_expected_char): New.
17210 (read_rtx_lineno, read_rtx_filename): New.
17211 (read_skip_spaces): Track line number.
17212 (read_name): Use fatal_with_file_and_line.
17213 (read_rtx): Use fatal_expected_char. Track line number.
17214 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17216 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17217 if it isn't a CODE_LABEL.
17219 * genattr.c (main): Set read_rtx_filename.
17220 * genattrtab.c (main): Likewise.
17221 * gencodes.c (main): Likewise.
17222 * genconfig.c (main): Likewise.
17223 * genemit.c (main): Likewise.
17224 * genextract.c (main): Likewise.
17225 * genflags.c (main): Likewise.
17226 * genopinit.c (main): Likewise.
17227 * genoutput.c (main): Likewise.
17228 * genpeep.c (main): Likewise.
17230 * genrecog.c (decision_test.u.insn): Add `lineno'.
17231 (pattern_lineno, error_count): New variables.
17232 (message_with_line): New.
17233 (add_to_sequence): Break out checking code to ...
17234 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17235 (merge_insn): Use message_with_line.
17236 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17237 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17239 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17241 * expr.c (store_constructor): Clear union if constructor is empty.
17243 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17245 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17246 Add !endian checks. Change %{...} to %(...).
17248 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17250 * i386.md (*addsi3_cc): Renamed from addcsi3.
17251 (*addsi3_carry): Renamed from addxsi3.
17252 (*subsi3_cc): Renamed from subcsi3.
17253 (*subsi3_carry): Renamed from subxsi3.
17254 (*xorqi_cc_1): Renamed from xorcqi_1.
17255 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17256 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17258 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17260 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17261 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17263 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17265 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17266 climb up the chain of insns.
17268 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17270 * genrecog.c (write_subroutine): Careful for null trees.
17271 (process_tree): Don't elide empty functions.
17273 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17275 * Makefile.in (genrtl.o): Depend on ggc.h.
17276 * configure.in (valloc): Probe for it.
17277 (with-gc): Use ggc-page if valloc present.
17278 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17279 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17280 (ggc_alloc_string): Moved from ggc-page.c.
17281 * ggc-none.c (ggc_alloc_obj): New.
17282 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17283 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17284 (struct globals): Likewise for dev_zero_fd.
17285 (init_ggc): Likewise for it's initialization.
17286 (ggc_allocated_p): Move careful dereference from ...
17287 (ggc_lookup_page_table): ... here. Delete.
17288 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17289 (alloc_anon): Use valloc if no mmap.
17290 (release_pages): Use free if using valloc.
17291 (ggc_alloc_obj): Renamed from alloc_obj.
17292 (ggc_set_mark): Renamed from mark_obj.
17293 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17294 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17295 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17296 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17297 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17298 (ggc_collect): Use fp printing instead of our own rounding.
17299 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17300 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17301 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17302 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17303 (struct ggc_string, struct ggc_any): Delete.
17304 (offsetof): Provide default definition.
17305 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17307 (struct ggc_mem): New, from corpse of ggc_any.
17308 (struct ggc_status): Delete.
17309 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17310 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17311 (n_strings_collected, n_anys_collected): Delete.
17312 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17313 (ggc_alloc_string, ggc_alloc): Delete.
17314 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17315 (ggc_free_string, ggc_free_any): Delete.
17316 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17317 (ggc_compare_addresses, ggc_mark_string): Delete.
17318 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17319 (search_data): Delete.
17320 (struct globals): New.
17321 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17322 (tree_insert, tree_lookup): New.
17323 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17324 (clear_marks, sweep_objs): New.
17325 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17326 (init_ggc): Set allocated_last_gc.
17327 (ggc_push_context): Gut. Use G.context.
17328 (ggc_pop_context): Likewise.
17329 (ggc_pop_context_1): New.
17330 (debug_ggc_tree): New.
17331 (debug_ggc_balance, tally_leaves): New.
17332 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17333 (ggc_mark_string_if_gcable): Remove decl.
17334 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17335 (ggc_mark_rtvec_children): New.
17336 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17337 (ggc_mark_if_gcable): New decl.
17338 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17339 (ggc_alloc_tree, ggc_alloc): Likewise.
17340 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17341 (ggc_alloc_obj): New decl.
17342 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17343 (ggc_alloc_tree, ggc_alloc): Likewise.
17344 (ggc_set_mark): New decl.
17345 * rtl.h (struct rtx_def): Remove gc_mark.
17346 (struct rtvec_def): Likewise.
17347 * tree.h (struct tree_common): Likewise.
17349 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17351 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17352 float_format and thread_file definitions.
17353 * configure: Rebuilt.
17355 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17357 * extend.texi (Function Names): Document types of function names.
17359 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17361 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17362 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17364 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17366 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17368 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17370 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17372 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17374 * collect2.c (main): Do prelimnary link on AIX if rflag.
17376 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17378 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17379 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17381 (__do_global_dtors): similarly for __DTOR_LIST__.
17383 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17384 Diego Novillo <dnovillo@cygnus.com>
17386 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17389 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17391 * fixincl/*: Merged "no_bogosity" branch
17392 * fixincl/fixlib.h: protect against doubly defining t_bool
17393 * fixincl/server.h: protect against doubly defining t_bool
17395 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17397 * genoutput.c: Include toplev.h.
17399 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17401 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17403 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17404 * configure: Regenerate.
17406 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17408 * gcse.c (delete_null_pointer_checks): Returns void.
17410 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17412 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17413 * emit-rtl.c (copy_insn_1): Likewise.
17415 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17417 * config/mips/mips.c (mips_build_va_list): Correct
17418 TREE_CHAIN setting when hard-float.
17419 (mips_va_start): Use corrected setting.
17420 (mips_va_arg): Likewise. Also pass a tree to build of
17421 POSTINCREMENT_EXPR rather than a naked 'int'.
17423 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17425 * ggc.h (ggc_push_context): Fix comment.
17426 (ggc_pop_context): Likewise.
17427 (mark_string_if_gcable): Likewise.
17428 * ggc-common.c (ggc_mark_rtx_children): Use
17429 ggc_mark_string_if_gcable.
17430 * ggc-page.c (ggc_lookup_page_table): New function.
17431 (ggc_allocated_p): Likewise.
17432 (mark_obj): Fix formatting.
17433 (ggc_mark_string_if_gcable): New function.
17434 * ggc-simple.c (ggc_allocated_strings): New variable.
17435 (ggc_strings_used): Likewise.
17436 (ggc_compare_addresses): New function.
17437 (ggc_pop_context): Pop the `any' memory too.
17438 (ggc_mark_string_if_gcable): New function.
17439 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17441 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17443 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17444 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17445 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17448 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17450 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17451 (sched_reg_live_length, sched_reg_basic_block): Delete.
17452 (current_block_num, bb_live_regs, old_live_regs): Delete.
17453 (dead_notes, struct sometimes): Delete.
17454 (sched_note_set, birthing_insn_p): Delete.
17455 (adjust_priority): Gut useless reg lifetime code.
17456 (create_reg_dead_note, attach_deaths): Delete.
17457 (attach_deaths_insn, new_sometimes_live): Delete.
17458 (finish_sometimes_live): Delete.
17459 (find_pre_sched_live, find_post_sched_live): Delete.
17460 (update_reg_usage): Delete.
17461 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17462 (schedule_insns): Delete reg lifetime code.
17463 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17464 (unlink_other_notes): Adjust REG_NOTE commentary.
17465 (reemit_notes): Use REG_SAVE_NOTE.
17466 (schedule_block): Likewise.
17467 (schedule_region): Allocate bitmap of blocks in region. Use
17468 count_or_remove_death_notes. Use update_life_info.
17470 * rtl.h (REG_SAVE_NOTE): New.
17471 * rtl.c (reg_note_name): Update.
17473 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17475 * combine.c (refresh_blocks, need_refresh): New.
17476 (combine_instructions): Allocate refresh_blocks. Invoke
17477 update_life_info if needed.
17478 (distribute_notes): Mark refresh_blocks instead of installing
17480 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17481 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17483 * Makefile.in (recog.o): Depend on basic-block.h.
17485 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17487 * genrecog.c (add_to_sequence): Thinko last change: delete
17488 shadowing allow_const_int variable.
17490 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17492 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17493 __GNUC__ and __GNUC_MINOR__.
17495 * gansidecl.h: Likewise.
17501 * toplev.h: Likewise.
17503 * tree.c: Likewise.
17505 * tree.h: Likewise.
17507 * varray.c: Likewise.
17509 * varray.h: Likewise.
17511 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17513 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17514 use one before a jump table.
17516 * rtl.def (ADDRESS): Change documentation to match reality.
17517 * md.texi: Don't document it.
17518 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17521 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17523 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17525 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17526 known predicate block; default allow_const_int true.
17527 (debug_decision_list): New.
17529 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17531 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17533 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17535 * gcse.c (gcse_main): Avoid global optimizations if we have a
17536 large number of basic blocks and the ratio of edges to blocks
17538 (delete_null_pointer_checks): Likewise.
17540 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17542 * c-common.c (check_format_info): Warn if format string isn't a
17545 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17547 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17548 * configure: regenerate
17550 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17552 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17553 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17554 (peepholes): Re-enable.
17556 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17558 * Makefile.in (flow.o): Depend on TREE_H.
17559 * basic-block.h (REG_SET_EQUAL_P): New.
17560 (XOR_REG_SET): New.
17561 (n_edges): Declare.
17562 (free_regset_vector): Remove declaration.
17563 (flow_delete_insn_chain): Declare.
17564 (enum update_life_extent): New.
17565 (update_life_info, count_or_remove_death_notes): Declare.
17566 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17567 Verify register live at bb->global_live_at_start before adding USE.
17568 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17569 (CLEAN_ALLOCA): New.
17571 (PROP_*): New flags.
17572 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17573 (clear_edges): Zero n_edges.
17574 (make_edge): Increment n_edges.
17575 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17576 (flow_delete_insn_chain): Export.
17577 (delete_block): Decrement n_edges.
17578 (merge_blocks_nomove): Likewise.
17579 (life_analysis): Give life_analysis_1 PROP flags.
17580 (verify_wide_reg_1, verify_wide_reg): New.
17581 (verify_local_live_at_start): New.
17582 (update_life_info): Rewrite to call into propogate_block.
17584 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17585 always mark stack pointer. Conditionally mark PIC register.
17586 After reload, mark call-saved registers, return regsiters.
17587 (life_analysis_1): Accept PROP flags not remove_dead_code.
17588 Call mark_regs_live_at_end before zeroing regs_ever_live.
17589 Use calculate_global_regs_live. Copy global_live_at_end before
17590 calling final propagate_block. Zero reg_next_use on exit.
17591 (calculate_global_regs_live): New.
17592 (allocate_bb_life_data): Don't allocate bb->local_set.
17593 (init_regset_vector, free_regset_vector): Remove.
17594 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17595 Test flags before every operation. Warn if prologue/epilogue insn
17596 would have been deleted.
17597 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17598 Use alloc_EXPR_LIST.
17599 (mark_used_regs): Accept and use FLAGS, not FINAL.
17600 Remove special handling for RETURN.
17601 (try_pre_increment): Use alloc_EXPR_LIST.
17602 (dump_flow_info): Dump n_edges.
17603 (unlink_insn_chain, split_hard_reg_notes): Remove.
17604 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17605 (find_insn_with_note, new_insn_dead_notes): Remove.
17606 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17607 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17608 (replace_insns): Remove.
17609 (count_or_remove_death_notes): New.
17610 (verify_flow_info): Abort on error after all checks.
17611 (remove_edge): Decrement n_edges.
17612 (remove_fake_edges): Tweak format.
17613 * haifa-sched.c (schedule_insns): Use split_all_insns.
17614 * output.h (update_life_info): Remove declaration.
17615 * recog.c (split_all_insns): From the corpse of split_block_insns,
17616 do the whole function block by block. Use update_life_info.
17617 (recog_last_allowed_insn): New.
17618 (recog_next_insn): Mind it.
17619 (peephole2_optimize): Set it. Walk backwards through blocks.
17620 Use update_life_info.
17621 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17622 (split_all_insns): Declare.
17623 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17624 Use split_all_insns.
17626 * i386.md (or -1 peep2s): Disable.
17628 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17630 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17631 a single pattern. Scrap the 'd' versions as unnecessary.
17633 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17634 tablejump_mips162,tablejump_internal4): The operands to a
17635 label_ref must be VOIDmode.
17637 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17639 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17641 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17643 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17645 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17647 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17648 cache every function if ggc_p.
17650 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17652 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17653 instead of copy_rtx. Accept sequences that contain asm statements.
17654 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17655 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17656 orig_asm_operands_vector, copy_asm_operands_vector,
17657 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17659 * rtl.h (copy_insn, copy_insn_1): Declare.
17661 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17663 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17665 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17666 arguments to `current_file_function_operand'.
17668 * genrecog.c: Include hard-reg-set.h and resource.h in the
17669 generated output file.
17671 * real.c: Include tm_p.h.
17673 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17675 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17678 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17680 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17681 before the fctiwz insn.
17683 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17684 Mark Mitchell <mark@codesourcery.com>
17686 * tree.c (make_lang_type_fn): New funtion pointer.
17687 (make_lang_type): Call it.
17688 * tree.h (make_lang_type): Declare.
17689 (make_lang_type_fn): Likewise.
17690 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17692 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17694 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17695 make sure that HIGH instructions are copied into BASE_REGS.
17697 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17699 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17701 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17703 * c-decl.c (finish_struct): Use simpler method of
17704 removing elements of a singly-linked list.
17706 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17708 * alpha.md (peephole2's): Comment out peephole2's that generate
17711 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17713 * genrecog.c (add_to_sequence): Disable mode check for
17716 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17718 * ggc-simple.c (init_ggc): Set empty_string.
17720 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17722 * configure.in: Detect mmap. Add --with-gc=foo to select
17723 garbage collector; default to page if mmap available.
17724 * Makefile.in (GGC): Substitute.
17726 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17728 * c-decl.c (ggc_p): Enable.
17730 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17732 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17734 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17736 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17737 string for little-endian-data.
17739 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17741 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17742 case somebody tries to compile --enable-checking code with gcc
17745 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17747 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17750 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17752 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17753 * jump.c (jump_optimize_1): Document why.
17755 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17757 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17758 pointers and casts for `int_handler' and `quit_handler'.
17760 * flow.c (verify_flow_info, split_hard_reg_notes,
17761 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17762 remove_edge, remove_fake_successors): Add static prototypes.
17763 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17764 (mark_set_1): Initialize variable `regno'.
17765 (unlink_insn_chain): Likewise for variable `curr'.
17766 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17768 * loop.c (strength_reduce): Initialize variable
17769 `unrolled_insn_copies'.
17770 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17771 prototypes. Change these functions to take const PTR parameters
17772 to avoid prototype conflict when used as the comparson argument
17774 (check_dbra_loop): Initialize variable `comparison_val'.
17776 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17777 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17778 (find_valid_class): Initialize variable `best_class'.
17779 (find_reloads): Call memcpy, not bcopy.
17781 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17782 (hard_reg_use_compare): Don't needlessly cast away const.
17783 (reload_reg_class_lower): Likewise.
17784 (choose_reload_regs): Initialize variable `regno'.
17786 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17788 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17790 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17792 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17793 ({,d}discard): Add forward declarations. Declare parameter as
17795 (main_without_main): Explicitly declare return type to be int.
17796 (memcpy): Properly declare.
17798 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17799 building the trampoline support, declare malloc, free, and
17801 (__clear_cache): Mark arguments as potentially unused.
17803 * frame.c (toplevel): If inhibit_libc is defined, declare
17806 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17808 * flow.c (make_edge): Accept an optional 2D bitmap in which
17809 to cache edge existence. Update all callers.
17810 (make_label_edge, make_eh_edge): Pass through the edge cache.
17811 (make_edges): Provide the cache.
17813 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17815 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17817 (local_mbtowc): Change the type of variable `i' from int to size_t.
17819 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17820 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17822 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17824 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17825 after other includes that define the appropriate types. Include
17826 tm_p.h for getting user prototypes.
17827 * ggc-callbacks.c (toplevel): Ditto.
17828 * ggc-none.c (toplevel): Ditto.
17829 * gcc-page.c (toplevel): Ditto.
17830 * ggc-simple.c (toplevel): Ditto.
17832 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17833 Jonathan Larmour <jlarmour@cygnus.co.uk>
17835 * config/mips/mips.c (mips_move_2words): Split doubles if
17836 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17838 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17840 * genrecog.c (struct decision_test): New.
17841 (struct decision): Remove test-related members, sort the rest by size.
17842 (IS_SPLIT): Simplify.
17843 (new_decision, new_decision_test): New.
17844 (add_to_sequence): Use them. No special handling for args of
17846 (maybe_both_true): Renamed from not_both_true; return sense changed.
17847 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17848 of maybe_both_true and adjusted for decision_test.
17849 (position_merit): Remove.
17850 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17851 (merge_accept_insn): New, broken out of merge_trees.
17852 (merge_trees): Use them. No special case for c_test; no node
17853 splitting; use test type instead of position_merit.
17854 (factor_tests): New.
17855 (simplify_tests): New.
17856 (break_out_subroutines): Don't write code now.
17857 (find_afterward): New.
17858 (write_afterward, write_switch, write_cond): New.
17859 (write_action, is_unconditional): New.
17860 (write_node): New. Use them.
17861 (write_tree_1): Rewrite. Use the new functions above.
17862 (write_tree): Remove afterward processing.
17863 (write_subroutine): Simplify function variant emission.
17864 (write_subroutines): New.
17865 (same_codes, clear_codes): Remove.
17866 (same_modes, clear_modes): Remove.
17867 (write_header): New, broken out of main.
17868 (make_insn_sequence): Use new_decision and new_decision_test.
17869 (process_tree): New, broken out of main.
17870 (main): Adjust for merge_trees interface change.
17871 Don't #define operands in the output file.
17872 (record_insn_name): New, broken out of make_insn_sequence.
17873 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17874 (debug_decision): New.
17876 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17878 * resource.c (find_free_register): Mark class_str argument const.
17879 * resource.h: Update prototype to match.
17881 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17882 * i386.md: Give all anonymous insns names.
17884 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17886 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17889 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17891 * toplev.c (dbr_sched_time): Unconditional.
17892 (peephole2_time): New.
17893 (compile_file): Add pass numbers to all of the dump file suffixes.
17894 Dump peephole2_time. Don't dump times for non-applicable passes.
17895 (rest_of_compilation): Add pass numbers to dump file suffixes.
17896 Conditionalize calls to the scheduler.
17897 * invoke.texi: Update.
17899 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17901 * flow.c (make_edges): Fix insn iteration.
17902 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17903 (find_basic_blocks_1): Fix spelling mistake.
17905 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17907 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17908 always have side-effects. Use memset not bzero.
17909 (make_node): Likewise.
17911 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17913 * stmt.c (expand_anon_union_decl): When any of the elements of the
17914 union is addressable, so is the entire union.
17916 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17918 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17920 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17921 * bitmap.c (bitmap_operation): Return true iff TO changed.
17922 (bitmap_equal_p): New.
17923 (bitmap_bit_p): Tidy arithmetic.
17924 (debug_bitmap_file): Likewise.
17926 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17928 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17929 before cse2 instead of after.
17931 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17933 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17936 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17938 * cppinit.c (is_idchar initializer): Loosen tests to accept
17941 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17943 * mips.md: Define conditional move patterns for floating point
17944 operands and DI mode conditions.
17946 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17948 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17949 always have side-effects.
17951 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17953 * mn10200.c (asm_file_start): Fix typo.
17955 * cppinit.c (is_idchar initializer): Tighten tests for when
17956 to put the table into initialized memory.
17958 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17959 not an array of rtunion.
17960 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17961 * gcc-simple (ggc_free_rtvec): Similarly.
17963 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17966 * mbchar.h: Add missing #endif.
17968 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17969 (FPBIT, DPBIT): Define.
17971 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17973 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17975 * profile.c (instrument_arcs, output_gcov_string,
17976 tablejump_entry_p): Add static prototypes.
17977 (output_gcov_string): Constify a char*.
17979 * regmove.c (replacement_quality, fixup_match_2): Add static
17982 * resource.h (reg_dead_p): Add extern prototype.
17984 * rtl.c (trim_filename): Add static prototype.
17986 * scan-decls.c (skip_to_closing_brace): Likewise.
17988 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17989 (expand_end_case): Initialize variable `range'.
17990 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17992 * varasm.c (asm_emit_uninitialised): Add static prototype.
17993 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17996 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17998 * cpplib.c (if_directive_nameo): Add static prototype.
18000 * cse.c (cse_insn): Remove unused variable `p'.
18002 * except.c (create_rethrow_ref, push_entry,
18003 receive_exception_label, new_eh_region_entry, find_func_region,
18004 clear_function_eh_region, process_nestinfo): Add static prototypes.
18005 (get_reg_for_handler): Hide definition.
18006 (process_nestinfo): Initialize variable `extra_handlers'.
18008 * expr.h (expand_builtin_longjmp): Add extern prototype.
18010 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18012 * function.c (prepare_function_start): Likewise.
18013 (pop_function_context_from): Mark parameter `context' with
18015 (push_temp_slots_for_block, flush_addressof): Hide definition.
18017 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18018 solve_program_flow_graph, calculate_branch_probs,
18019 function_summary, main, fancy_abort): Add prototypes.
18021 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18022 (add_hash): Constify a char*.
18024 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18025 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18026 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18028 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18030 * lists.c (free_list, zap_lists): Likewise.
18032 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18034 * alias.c (nonlocal_reference_p): Add static prototype.
18036 * bitmap.c (bitmap_element_allocate): Prototype args in function
18039 * builtins.c (stabilize_va_list): Add static prototype.
18040 (expand_builtin_va_arg): Constify a char*.
18042 * c-lex.c (getch, put_back, extend_token_buffer_to,
18043 read_line_number, token_getch, token_put_back): Add static
18046 * c-parse.gperf (hash, is_reserved_word): Likewise.
18048 * cccp.c (is_dir_separator): Likewise.
18050 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18052 * graph.h: New file to prototype functions exported by graph.c.
18054 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18056 * graph.c: Include graph.h.
18058 * toplev.c: Likewise. Remove redundant prototypes.
18060 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18062 * invoke.texi: Removed duplicated description for -Q.
18064 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18066 * extend.texi: Grammar fix in __extension__ text.
18068 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18070 * md.texi (define_peephole2): New section.
18072 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18074 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18075 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18078 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18080 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18082 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18084 * i386.md (ffs expander): Emit Pentium friendly code for
18087 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18089 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18091 (build1): Likewise.
18093 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18095 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18097 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18099 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18100 register is in use.
18102 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18104 * md.texi (No Constraints): Delete section.
18105 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18106 * final.c (final_scan_insn): We always have register constraints.
18107 * genattrtab.c: Don't include "insn-config.h".
18108 (write_attr_case): We always have register constraints.
18109 * genconfig.c (register_constraint_flag): Delete.
18110 (walk_insn_part): Don't check whether we have register constraints.
18111 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18112 * genoutput.c (have_constraints): Delete.
18113 (main): Don't set it.
18114 (output_operand_data): We always have constraints.
18115 (scan_operands): Likewise.
18116 (compare_operands): Likewise.
18117 * local-alloc.c (block_alloc): We always have constraints.
18118 (requires_inout): Always compile this function.
18119 * recog.c (extract_insn): We always have constraints.
18120 (constrain_operands, reg_fits_class_p): Always compile these
18122 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18124 (struct insn_operand_data): Likewise.
18125 * regclass.c (regclass): We always have constraints.
18126 (record_reg_classes, copy_cost, record_address_regs,
18127 auto_inc_dec_reg_p): Always compile these functions.
18128 * regmove.c (regmove_optimize): We always have constraints.
18129 * reload.c (find_reloads): Likewise.
18130 * reload1.c (reload): Likewise.
18131 (reload_cse_simplify_operands): Likewise.
18132 * i860.c (output_delay_insn): Likewise.
18134 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18136 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18138 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18140 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18141 for the va_list record.
18143 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18145 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18148 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18150 * alias.c: Include insn-flags.h.
18151 * Makefile.in (alias.o): Update.
18153 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18155 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18156 to LTU and GEU. Handle more cases using sbb.
18158 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18160 * i386.md (truncatexfdf splitters): Do not use subreg.
18161 (fop XFmode patterns): Fix mode in operand testing.
18163 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18165 * jump.c (jump_optimize_1): Amend last change to test only the
18166 form of the operand, not the insn.
18168 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18169 not register_operand to determine when B may need preloading.
18171 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18173 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18174 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18175 (call-value patterns): Move to end of file.
18176 (*): Remove mode from label_ref in (pc) context.
18177 (movstrqi): Use memory not general_operand for BLKmode operands.
18178 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18179 to register_operand operands.
18180 (peep2 patterns): Convert from commented-out peephole patterns.
18182 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18184 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18185 to BUILT_IN_INIT_DWARF_REG_SIZES.
18186 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18187 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18188 expand_builtin_init_dwarf_reg_sizes.
18189 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18190 with __builtin_init_dwarf_reg_size_table.
18191 * dwarf2out.c (struct reg_size_range): Delete.
18192 (expand_builtin_init_dwarf_reg_sizes): New function.
18193 (expand_builtin_dwarf_reg_size): Delete.
18194 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18195 (expand_builtin_dwarf_reg_size): Don't declare.
18196 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18197 (dwarf_reg_size_table): New.
18198 (init_reg_size_table): New function.
18199 (copy_reg): Use dwarf_reg_size_table.
18200 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18203 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18205 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18206 Correctly build argument list to constructor and destructor functions.
18208 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18210 * c-tree.h (warn_float_equal): Declare.
18211 * c-decl.c (warn_float_equal): Define.
18212 (c_decode_option): Recognize -W[no-]float-equal.
18213 * c-typeck.c (build_binary_op): Conditionally warn
18214 about equality tests of floating point types.
18215 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18216 * invoke.texi: Add docs for -Wfloat-equal warning.
18218 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18220 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18221 generating RTL directly.
18222 * mips.h (INIT_TARGET_OPTABS): Likewise.
18223 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18225 * expr.h (init_mov_optab): Delete declaration
18227 * h8300.c (WORD_REG_USED): Update to avoid useless register
18228 saves in interrupt functions and functions which never return.
18230 * cse.c (struct set): Delete inner_dest_loc field.
18231 (cse_insn): Remove assignments to inner_dest_loc field.
18233 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18235 * ggc-page.c: Don't include <unistd.h> etc taken care of
18236 by "system.h". Include <sys/mman.h> afterward.
18238 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18240 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18243 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18245 * xcoffout.c (xcoffout_declare_function): Add documentation.
18246 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18247 TARGET_64BIT. Compare constant to -1, not bit pattern.
18248 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18249 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18252 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18254 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18255 origin_die is NULL.
18256 (gen_inlined_enumeration_type_die): Do not abort if the type has
18257 not been writeen out.
18258 (gen_inlined_structure_type_die): Do not abort if the type has
18259 not been writeen out.
18260 (gen_inlined_union_type_die): Do not abort if the type has
18261 not been writeen out.
18262 (gen_tagged_type_instantiation_die): Do not abort if the type
18263 has not been written out.
18265 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18267 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18269 * reg-stack.c (straighten_stack): Copy hard reg set with
18272 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18274 * builtins.c (stabilize_va_list): Stabilize array type va_list
18275 to a pointer type, not the base record type.
18276 (expand_builtin_va_copy): Dereference the pointers explicitly;
18277 use the correct size for the copy.
18279 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18280 (rs6000_va_arg): Likewise.
18282 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18284 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18286 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18288 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18290 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18292 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18294 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18295 (init_ggc): Use it instead of a constant.
18296 (ggc_collect): Bound allocated_last_gc by it.
18298 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18300 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18303 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18305 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18306 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18307 * configure: Regen.
18308 * config/mips/openbsd.h: New, OpenBSD little endian target.
18309 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18310 * config/mips/xm-openbsd.h: New, OpenBSD host.
18312 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18314 * config/m68k/m68k.c (output_function_prologue,
18315 output_function_epilogue): Use
18316 current_function_uses_pic_offset_table instead of regs_ever_live
18317 to decide whether to save/restore pic register.
18318 (legitimize_pic_address): Don't modify regs_ever_live any more.
18320 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18322 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18323 * stor-layout.c (variable_size): Don't add sizes to the pending
18324 sizes list if x_dont_save_pending_sizes_p is set.
18326 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18328 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18329 for symbolic_operand().
18330 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18332 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18334 * combine.c (gen_rtx_combine): Add missing call to va_end().
18336 * final.c (asm_fprintf): Likewise.
18338 * genattrtab.c (attr_rtx): Likewise.
18340 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18342 * cse.c: Update comments.
18343 (cse_insn): When converting a conditional/computed jump into
18344 an unconditional jump, always make sure a BARRIER immediately
18345 follows the converted jump. Do not delete unreachable code.
18346 (cse_basic_block): Do not delete unreachable code.
18347 * toplev.c (rest_of_compilation): Move call to
18348 delete_trivially_dead_insns after the conditional call to
18351 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18353 * collect2.c (make_temp_file): Don't prototype.
18355 * gcc.c (make_temp_file): Likewise.
18357 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18359 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18361 * varasm.c (asm_emit_uninitialised): New function: Generate
18362 the assembler statements necessary to declare an uninitialised
18364 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18366 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18367 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18369 (assemble_variable): Use asm_emit_uninitialised to emit an
18370 uninitialised variable.
18372 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18374 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18375 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18376 <geoffk@cygnus.com>.
18378 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18380 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18381 * c-common.h (builtin_function): Don't declare.
18383 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18385 (pushdecl): Likewise.
18386 (finish_decl): Likewise.
18387 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18388 int. All callers changed.
18389 Set the builtin's DECL_BUILT_IN_CLASS.
18390 * tree.h (enum built_in_class): New.
18391 (enum built_in_function): Delete NOT_BUILT_IN.
18392 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18394 (DECL_SET_FUNCTION_CODE): Likewise.
18395 (DECL_BUILT_IN_CLASS): New macro.
18396 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18397 (struct tree_decl): Split builtin function code field into a
18399 (builtin_function): Declare.
18401 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18403 * optabs.c (init_traps): Fix typo in last change.
18405 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18407 * toplev.c (rest_of_decl_compilation): Update comment.
18409 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18411 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18412 in .sbss if appropriate.
18413 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18414 (SBSS_SECTION_ASM_OP): New macro.
18415 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18416 (EXTRA_SECTIONS): Add in_sbss.
18417 * config/mips/mips.h: Prototype sbss_section.
18419 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18421 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18424 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18426 * optabs.c (init_traps): Register trap_rtx as a GC root.
18428 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18430 * config/mips/mips.c (function_arg_pass_by_reference): Define
18431 unconditionally, since it's called unconditionally.
18433 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18435 * toplev.c (documented_lang_options): Add -fshort-wchar.
18436 * c-decl.c (c_decode_option): Likewise.
18437 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18439 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18440 * gcc.c (default_compilers): If -fshort-wchar,
18441 override __WCHAR_TYPE__.
18442 * tm.texi (C Dialect Options): Add -fshort-wchar.
18444 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18445 symbol for a variable.
18447 * cpplib.h (CPP_PREPROCESSED): New macro.
18448 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18449 we're seeing this input for a second time.
18451 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18453 * emit-rtl.c (init_emit_once): Initialize modes first.
18455 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18457 * config/i386/i386.c (pic_label_name): Change to char pointer.
18458 (global_offset_table): New variable.
18459 (load_pic_register): Fill global_offset_table if it hasn't
18460 already been done. Allocate pic_label_name dynamically.
18461 * ggc.h (empty_string): New variable.
18462 * ggc-simple.c (empty_string): Likewise.
18463 (init_ggc): Allocate empty_string and add as root.
18464 * stmt.c (digit_strings): New variable.
18465 (init_stmt): Add last_block_end_note as root. Allocate and
18466 initialize digit_strings.
18467 (expand_asm_operands): Use empty_string instead of string
18468 constant. Use digit_strings instead of string constants.
18469 * profile.c (init_arc_profiler): Allocate string with
18470 ggc_alloc_string instead of xmalloc.
18471 (output_func_start_profiler): Likewise.
18472 * c-typeck.c (digest_init): Check if init is error_mark_node.
18474 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18475 Richard Henderson <rth@cygnus.com>
18477 * ggc-page.c: New file.
18478 * Makefile.in (ggc-page.o): New.
18480 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18482 * invoke.texi: Document -fdelete-null-pointer-checks
18483 * toplev.c (flag_delete_null_pointer_checks): New.
18484 (f_options): Add entry for -fdelete-null-pointer-checks.
18485 (rest_of_compilation): Conditionalize null pointer check
18486 elimination on flag_delete_null_pointer_checks.
18487 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18489 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18491 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18492 copyright notice and special exception to GPL.
18494 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18496 * abi64.h (mips_function_value): Add prototype arguments.
18498 * mips-protos.h: New file with mips prototypes.
18500 * mips.c: Include "tm_p.h".
18501 (mktemp, lookup_name): Add prototype arguments.
18502 (extern_list, string_constant, mips_fill_delay_slot,
18503 mips_output_external, mips_output_external_libcall,
18504 mips_output_filename, mips_declare_object, function_prologue,
18505 mips_expand_prologue, function_epilogue, mips16_constant,
18506 build_mips16_function_stub, mips_output_conditional_branch):
18508 (mips_va_start): Remove unused variable `u'.
18509 (mips_va_arg): Cast value to unsigned when comparing against one.
18511 (save_restore_insns, mips_expand_prologue): Add missing arg in
18512 call to `large_int'.
18514 * mips.h: Move prototypes to mips-protos.h.
18515 (data_section, memory_address_p, rdata_section,
18516 readonly_data_section, simple_epilogue_p, text_section): Delete
18517 prototypes delcared elsewhere.
18518 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18520 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18522 * mips.md: Delete extra args in call to `mips_move_2words'.
18524 * xm-iris6.h (alloca): Add prototype argument.
18526 * genpeep.c: Include "tm_p.h" in generated output file.
18528 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18530 * basic-block.h (find_edge_index): Change parameters.
18531 * flow.c (verify_edge_list): Pass basic_block parameters to
18532 find_edge_index instead of integers.
18534 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18536 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18539 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18541 * gcc.1: Fix a formatting error.
18543 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18545 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18546 i786, mn10200, mn10300, pdp11, v850.
18548 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18550 * libgcc2.c (num_digits): Add prototype with
18551 __attribute__((const)).
18552 (__terminate): Add prototype.
18554 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18556 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18558 * alpha/alpha.c (print_operand): Fix type of `code'.
18559 (alpha_output_filename): Constify.
18560 * alpha/alpha.h: Move all function declarations ...
18561 * alpha/alpha-protos.h: ... here. New file.
18562 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18563 (SECTION_FUNCTION_TEMPLATE): Likewise.
18565 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18567 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18568 * expr.c (expand_expr): Likewise.
18569 (do_jump): Likewise.
18570 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18571 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18573 (enum can_compare_purpose): New.
18574 (can_compare_p): Adjust prototype.
18575 (prepare_cmp_insn, prepare_operand): Declare.
18576 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18577 * optabs.c (cmp_available_p): Deleted.
18578 (expand_abs): Pass ccp_jump to can_compare_p.
18579 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18580 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18581 Call can_compare_p rather than cmp_available_p.
18582 (prepare_operand): No longer static.
18583 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18584 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18585 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18586 sequence to use emit_cmp_and_jump_insns.
18587 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18589 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18591 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18592 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18593 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18594 (plus (reg) (const_int 0))
18595 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18597 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18599 * rs6000.c (expand_block_move): DImode loads and stores require
18600 word-aligned displacements. Increment address registers with
18601 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18603 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18605 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18606 is no name for the base type, rather than segfault. If we are
18607 writing out a complex integer type, use DW_ATE_lo_user.
18609 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18610 in one word or less (complex char, complex short, or on 64 bit
18611 systems complex float) to/from a hard register, copy it through
18612 memory instead of dying in gen_{real,imag}part. If we have a
18613 short complex type, prevent inlining since it allocates stack
18616 * tree.c (build_complex_type): If we are writing dwarf2 output,
18617 generate a name for complex integer types.
18619 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18621 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18622 * flow.c (remove_edge): Remove extra whitespace.
18623 (remove_fake_edges): Fix comment.
18624 (add_noreturn_fake_exit_edges): Use the correct name.
18626 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18628 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18629 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18630 (clean): Depend on INTL_CLEAN.
18631 (maintainer-clean): Adjust.
18633 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18635 * configure.in (AC_PREREQ): Bump to 2.13.
18636 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18638 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18640 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18642 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18644 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18645 (HAVE_STRINGIZE): Define.
18647 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18649 * c-parse.in: save and restore warn_pointer_arith on __extension__
18650 along with pedantic.
18651 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18652 Set the type of extension to itype rather than $<itype>1 kludge.
18653 * extend.texi (Alternate Keywords): Adjust documentation.
18654 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18656 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18658 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18659 most assembler templates.
18661 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18662 FP loads and stores.
18663 (following_call): Always return zero for the PA8000.
18664 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18665 FP loads and stores.
18666 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18668 * pa.h (BRANCH_COST): Define.
18670 * pa.md (return, return_internal): Use bve for PA2.0.
18672 * pa.md (fused multiply): Add variants which reduce height for the
18673 fused multiply, but which still generate 2 insns.
18674 (fnegabs): Similarly.
18676 * pa.md (subsi3): Turn into an expander. Create two anonymous
18677 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18678 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18680 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18682 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18684 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18685 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18687 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18690 * flow.c (record_active_eh_regions): Terminate loop after finding
18691 the last insn in the last basic block.
18693 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18695 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18697 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18699 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18701 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18703 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18704 splitting to not use output template.
18706 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18708 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18709 * config/c4x/c4x.c (c4x_va_start): New function.
18711 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18713 * genrecog.c (not_both_true): Handle correctly cases when called for
18714 tests with different positions in the insn.
18716 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18718 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18720 * system.h (HOST_PTR_PRINTF): ... to here.
18722 * mips-tfile.c: Don't include machmode.h.
18724 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18725 (mips-tfile.o): Don't depend on machmode.h.
18727 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18729 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18730 avoid conflicts with typedef struct `region' at the top level scope.
18732 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18734 * basic-block.h (basic_block): Add eh_beg, eh_end.
18735 * flow.c (entry_exit_blocks): Update.
18736 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18737 Call new functions.
18738 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18739 lists.c functions to allocate insn lists.
18740 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18742 (make_eh_edge): ... here. New.
18743 (move_stray_eh_region_notes): New.
18744 (record_active_eh_regions): New.
18745 (delete_unreachable_blocks): Split out block merging ...
18746 (try_merge_blocks): ... here. New.
18747 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18748 Dump debugging data.
18749 (merge_blocks_move_successor_nojumps): Likewise.
18750 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18752 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18754 * extend.texi (Bound member functions): Document unbound pmf
18757 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18759 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18760 has the EXIT_BLOCK as a dest.
18762 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18764 * flow.c (remove_edge): New function to remove an edge from the
18766 (remove_fake_successors): New function to remove fake successor edges.
18767 (remove_fake_edges): New function to remove all fake edges from the
18769 (add_fake_exit_edges): New function to add fake edges from all blocks
18770 with no successors to the exit block.
18771 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18772 prototypes for new functions.
18774 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18776 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18777 Use Pmode to determine whether to output .dword or .word.
18779 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18781 * tree.c (built_in_filename): New variable.
18782 (BUILT_IN_FILENAME): New macro.
18783 (init_tree_codes): Allocate built_in_filename.
18784 (make_node): Use built_in_filename instead of string constant.
18786 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18788 * configure.in: Add fr30 target.
18789 * configure: Regenerate.
18790 * config/fr30: New directory.
18791 * config/fr30/crti.asm: New file.
18792 * config/fr30/fr30.c: New file.
18793 * config/fr30/crtn.asm: New file.
18794 * config/fr30/fr30.h: New file.
18795 * config/fr30/fr30.md: New file.
18796 * config/fr30/lib1funcs.asm: New file.
18797 * config/fr30/t-fr30: New file.
18798 * config/fr30/xm-fr30.h: New file.
18800 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18802 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18803 BARRIER at the end of the successor, not the BARRIER before
18806 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18808 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18810 * stmt.c (any_pending_cleanups): Don't crash when
18811 current_function->stmt is unset.
18813 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18815 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18816 other initializations that may use it for relative offsets.
18818 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18820 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18821 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18822 * config/i386/sol2dbg.h: Removed.
18823 * config/i386/sol2gas.h: New file, to enable gas work-around.
18824 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18825 Don't use sol2dbg.h.
18826 * configure: Rebuilt.
18828 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18830 * invoke.texi (-fthis-is-variable): Remove documentation.
18832 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18834 * basic-block.h (compute_bb_for_insn): Declare.
18835 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18836 to use; set size of basic_block_for_insn directly.
18837 (find_basic_blocks): Update.
18839 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18841 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18843 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18845 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18846 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18848 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18850 * c-decl.c (c_decode_option): Extend comment.
18852 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18854 * toplev.c (progname): Make 'const char *'
18855 (flag_print_mem): Move out of main.
18856 (version_flag): Move out of main.
18857 (filename): Move out of main.
18858 (debug_args): Remove g prefix from options.
18859 (documented_lang_options): Remove cpplib specific options.
18860 (display_help): Add g prefix to debug options.
18861 (check_lang_option): Delete this function.
18862 (decode_d_option): New function: Decode -d... option.
18863 (decode_f_option): New function: Decode -f... option.
18864 (decode_W_option): New function: Decode -W... option.
18865 (decode_g_option): New function: Decode -g... option.
18866 (independent_decode_option): New function: Decode a language
18867 independent command line option.
18868 (main): Invoke lang_decode_option and then
18869 independent_decode_option on each command line option in
18872 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18874 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18875 * fold-const.c (fold_range_test): Do not try to fold the range
18876 test if the rhs or lhs has side effects.
18878 * basic-block.h (compute_flow_dominators): Declare.
18880 * gcse.c (alloc_code_hoist_mem): New function.
18881 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18882 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18883 (hoist_code, one_code_hoisting_pass): Likewise.
18884 (gcse_main): If optimizing for size, then hoist expressions
18885 computed in multiple dominated basic blocks.
18887 * gcse.c (invalid_nonnull_info): New function.
18888 (delete_null_pointer_checks): Likewise.
18889 * rtl.h (delete_null_pointer_checks): Declare.
18890 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18892 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18893 (merge-blocks_move_successor_nojumps): Likewise.
18894 (merge_blocks): Allow merging of some blocks, even if it requires
18895 physical movement of the blocks, but not if it requires new jumps.
18897 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18898 Callers and prototype changed.
18899 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18901 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18903 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18904 -YP when both -p and -pg are present. From i386/sol2.h.
18906 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18908 * Makefile.in (distclean): Delete tm_p.h.
18909 * configure.in: Create a new file, "tm_p.h", from a list in
18910 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18911 "i386/i386-protos.h".
18913 * alias.c: Include "tm_p.h".
18914 * c-typeck.c: Likewise.
18915 * calls.c: Likewise.
18917 * emit-rtl.c: Likewise.
18918 * explow.c: Likewise.
18919 * expmed.c: Likewise.
18920 * expr.c: Likewise.
18921 * final.c: Likewise.
18922 * flow.c: Likewise.
18923 * fold-const.c: Likewise.
18924 * function.c: Likewise.
18925 * gcse.c: Likewise.
18926 * global.c: Likewise.
18927 * haifa-sched.c: Likewise.
18928 * integrate.c: Likewise.
18929 * jump.c: Likewise.
18930 * local-alloc.c: Likewise.
18931 * loop.c: Likewise.
18932 * optabs.c: Likewise.
18933 * recog.c: Likewise.
18934 * reg-stack.c: Likewise.
18935 * regclass.c: Likewise.
18936 * regmove.c: Likewise.
18937 * reload.c: Likewise.
18938 * reload1.c: Likewise.
18939 * reorg.c: Likewise.
18940 * resource.c: Likewise.
18941 * stmt.c: Likewise.
18942 * stor-layout.c: Likewise.
18943 * toplev.c: Likewise.
18944 * tree.c: Likewise.
18945 * unroll.c: Likewise.
18946 * genattrtab.c (main): Make generated file include "tm_p.h".
18947 * genemit.c (main): Likewise.
18948 * genoutput.c (main): Likewise.
18949 * genrecog.c (main): Likewise.
18951 * i386.h: Delete all prototypes.
18952 * i386.c: Include "tm_p.h".
18953 (ix86_attr_length_default): Call constant_call_address_operand
18954 with correct number of arguments.
18955 * i386-protos.h: New file.
18956 * i386.md (unnamed patterns): Call constant_call_address_operand
18957 with correct number of arguments.
18958 (exception_receiver): Call load_pic_register with correct number
18961 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18963 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18965 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18967 * rtl.h (insns_safe_to_move_p): New function.
18968 * loop.c (find_and_verify_loops): Use it.
18969 * rtlanal.c (insns_safe_to_move_p): Define it.
18971 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18973 * c-pragma.c: Include ggc.h.
18974 * Makefile.in (c-pragma.o): Update.
18976 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18978 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18979 (LIB_SPEC): Likewise.
18980 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18981 Reindent -YP/-p/-pg.
18982 Copied from config/sparc/sol2.h.
18984 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18986 * c-pragma.c (mark_align_stack): New.
18987 (init_pragma): New.
18988 * c-pragma.h (init_pragma): Declare it.
18989 * c-lex.c (init_parse): Call it.
18991 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18993 * configure.in: Pick up thread library on Solaris/x86 just
18994 like on Solaris/sparc.
18995 * configure: Rebuilt.
18997 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18999 * rtl.h (global_rtx_index): New enum.
19000 (global_rtl): Change to array of rtx.
19001 (pc_rtx, cc0_rtx): Redefine accordingly.
19002 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19003 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19004 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19005 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19006 (const_int_rtx): Change to array of rtx.
19007 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19009 * emit-rtl.c (global_rtl): Change to array of rtx.
19010 (const_int_rtx): Change to aray of rtx.
19011 (gen_rtx_CONST_INT): Redefine accordingly.
19012 (init_emit_once): Allocate and initialize global_rtl. Likewise
19013 for const_int_rtx. Add both as GC roots.
19014 * genattrtab.c (global_rtl): Update declaration.
19016 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19018 * Makefile (USER_H): Add iso646.h back.
19020 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19022 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19023 zapping the LOG_LINKS of sched_before_next_call.
19025 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19026 * pa.c (insn_refs_are_delayed): Renamed from
19027 insn_sets_and_refs_are_delayed.
19029 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19031 * functiion.h (struct function): Add x_whole_function_mode_p.
19032 (retrofit_block): Declare.
19033 * function.c (retrofit_block): New function.
19034 (identify_blocks): Add assertions. Allow an incomplete set of
19035 block notes if we're still generating code for the function.
19036 * integrate.c: Include loop.h.
19037 (expand_inline_function): Call find_loop_tree_blocks to map block
19038 notes to blocks when in whole-function mode. Use retrofit_block
19039 to insert new BLOCKs for the inlined function, rather than
19041 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19042 * Makefile.in (integrate.o): Depend on loop.h.
19044 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19046 * tree.h (warn_about_unused_variables): Declare.
19047 * stmt.c (warn_about_unused_variables): New function, split out
19049 (expand_end_bindings): Here.
19051 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19053 * stmt.c (preserve_subexpressions_p): Don't crash when
19054 current_function->stmt is unset.
19056 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19058 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19059 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19060 (expand_start_target_temps): Use it.
19061 * except.c (expand_eh_region_start_for_decl): Likewise.
19062 * expr.c (expand_expr): Likewise.
19064 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19066 * fold-const.c (operand_equal_p): Pay attention to side effects.
19068 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19070 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19071 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19073 * tlink.c (scan_linker_output): Look for keywords before accepting
19074 a mangled name in quotes.
19076 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19078 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19079 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19081 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19083 * alpha.md: Revert Thu Nov 26 change that came in through the
19084 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19085 Avoid earlyclobber when possible.
19087 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19089 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19091 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19092 Define HAVE_ON_EXIT.
19094 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19096 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19097 CTYPE_CONV in all ctype macros.
19099 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19102 * cexp.y (initialize_random_junk): Likewise.
19104 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19106 * i370.c (handle_pragma): Likewise.
19108 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19110 * v850.c (override_options): Likewise.
19112 * doprint.c (_doprnt): Likewise.
19114 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19117 * fixinc/server.c (load_data): Likewise.
19119 * fold-const.c (real_hex_to_f): Likewise.
19121 * genattr.c (write_upcase, gen_attr): Likewise.
19123 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19124 write_upcase): Likewise.
19126 * genemit.c (print_code): Likewise.
19128 * genopinit.c (gen_insn): Likewise.
19130 * genpeep.c (print_code): Likewise.
19132 * genrecog.c (print_code): Likewise.
19134 * optabs.c (init_libfuncs): Likewise.
19136 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19138 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19140 (reemit_notes): Likewise.
19142 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19144 * ggc.h (ggc_root): Move to ggc-common.c.
19146 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19147 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19148 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19149 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19150 * ggc-common.c (ggc_root): Move from ggc.h.
19151 (roots): Declare, static.
19152 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19153 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19154 null or check/set mark bit.
19155 (ggc_mark_roots): New.
19156 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19158 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19160 * m32r.c: Include toplev.h.
19161 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19162 (gen_compare): Rename swap_p to must_swap to match uses.
19163 Add default abort case.
19164 (m32r_output_function_epilogue): Remove unused variables.
19165 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19166 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19167 define to empty parameter list. Update all uses.
19168 (predicate decls): Use enum machine_mode not int.
19169 * m32r.md (movsi): Call abort, not fatal_insn.
19170 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19172 1999-09-14 Andrew Haley <aph@cygnus.com>
19174 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19175 use $0 instead of 0.
19177 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19179 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19180 computation out of loop over hard regs.
19182 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19184 * function.c (identify_blocks): Don't shadow a variable in an
19186 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19187 pushdecl, or poplevel to build up the new BLOCK tree.
19188 (expand_inline_function): Likewise.
19189 (integrate_parm_decls): Likewise.
19191 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19193 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19195 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19197 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19198 * invoke.texi: Document this change.
19200 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19202 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19204 (mark_emit_status): Renamed from mark_emit_state.
19205 * except.c (mark_eh_status): Renamed from mark_eh_state.
19206 Check not null before marking.
19207 (free_eh_status): New.
19208 * expr.c (mark_expr_status, free_expr_status): New.
19209 * function.c (free_machine_status): New.
19210 (free_after_parsing): New.
19211 (free_after_compilation): Move bits to free_after_parsing; call
19212 free_eh_status, free_expr_status; zero the marked members of the
19214 (prepare_function_start): No can_garbage_collect.
19215 Call init_eh_for_function.
19216 (expand_dummy_function_end): Free up current_function state.
19217 (mark_function_status): Renamed from mark_function_state.
19218 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19219 * function.h (struct function): No can_garbage_collect.
19220 (free_machine_status, free_after_parsing): Declare.
19221 (free_eh_status, free_expr_status): Declare.
19222 * ggc.h (mark_expr_status): Declare.
19223 * stmt.c (free_stmt_status): Free the struct.
19224 (mark_stmt_status): Renamed from mark_stmt_state.
19225 (init_stmt): Don't call init_eh.
19226 (init_stmt_for_function): Don't call init_eh_for_function.
19227 * toplev.c (compile_file): Call init_eh.
19228 (rest_of_compilation): Free basic block info before ggc_collect.
19229 Call free_after_parsing; conditionally call free_after_compilation.
19230 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19231 Check not null before marking.
19232 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19234 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19236 * c-lex.c (yylex): Initialize warn.
19238 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19240 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19241 register when performing secondary reloads for the SAR register.
19243 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19245 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19246 (NOTE_BLOCK): New macro.
19247 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19248 * function.h (identify_blocks): Change prototype.
19249 * function.c (identify_blocks): Simplify.
19250 (reorder_blocks): Likewise.
19251 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19252 NOTE_INSN_BLOCK_{BEG,END}.
19253 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19254 the list of saved notes if the note isn't a
19255 NOTE_INSN_BLOCK_{BEG,END}.
19256 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19258 (reemit_notes): Adjust recreation of notes to reflect new saved
19260 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19261 printing a block note.
19262 * stmt.c (block_vector): Remove.
19263 (find_loop_tree_blocks): Simplify.
19264 (unroll_block_trees): Likewise.
19265 * tree.h (reorder_block): Change prototype.
19267 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19269 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19270 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19271 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19272 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19273 (atexit, exit): Simplify.
19274 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19275 * config/lots: Remove defns of HAVE_ATEXIT.
19277 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19279 * calls.c (precompute_arguments): Fix typo in comment.
19280 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19283 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19285 * dsp16xx.c (override_options): Fix typos in GC root registration.
19287 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19289 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19290 from config/svr4.h.
19291 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19292 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19293 (CC1_SPEC): Likewise.
19295 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19297 * genattr.c (main): Add extern prototype. Call return, not exit.
19298 * genattrtab.c (main): Likewise.
19299 * gencheck.c (main): Likewise.
19300 * gencodes.c (main): Likewise.
19301 * genconfig.c (main): Likewise.
19302 * genemit.c (main): Likewise.
19303 * genextract.c (main): Likewise.
19304 * genflags.c (main): Likewise.
19305 * gengenrtl.c (main): Likewise.
19306 * genopinit.c (main): Likewise.
19307 * genoutput.c (main): Likewise.
19308 * genpeep.c (main): Likewise.
19309 * genrecog.c (main): Likewise.
19311 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19312 * genattrtab.c (get_insn_name): Likewise.
19313 * gencodes.c (get_insn_name): Likewise.
19314 * genconfig.c (get_insn_name): Likewise.
19315 * genemit.c (get_insn_name): Likewise.
19316 * genextract.c (get_insn_name): Likewise.
19317 * genflags.c (get_insn_name): Likewise.
19318 * genopinit.c (get_insn_name): Likewise.
19319 * genpeep.c (get_insn_name): Likewise.
19321 * gencheck.c (usage): Add static prototype.
19322 * genextract.c (print_path): Constify a char*.
19323 * genopinit.c (optabs): Likewise.
19324 * genoutput.c (operand_data, data, output_predicate_decls,
19325 compare_operands): Likewise.
19326 * genrecog.c (write_tree): Add default case in switch.
19328 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19330 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19332 * print-rtl.c (get_insn_name): Remove prototype.
19334 * toplev.h (progname): Declare const.
19336 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19337 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19338 dump_sched_info, dump_local_alloc, regset_release_memory,
19339 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19340 error_with_file_and_line, error_with_decl, error_for_asm, error,
19341 fatal, warning_with_file_and_line, warning_with_decl, warning,
19342 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19343 Remove redundant prototypes.
19345 (notice, check_lang_option, report_file_and_line, vnotice,
19346 mark_file_stack): Add static prototype.
19347 (set_fatal_function): Add prototype.
19348 (vnotice, report_file_and_line, set_fatal_function,
19349 check_lang_option): Constify a char*.
19350 (main): Prototype. Call return, not exit.
19352 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19354 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19356 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19358 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19360 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19362 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19364 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19365 behave as if it's zero in all cases.
19366 (expand_function_start): Adjust call to assign_parms.
19367 * tree.h (assign_parms): Adjust prototype.
19368 * objc/objc-act.c (hack_method_prototype): Adjust call to
19371 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19373 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19374 arg_pointer_rtx fixed if the argument pointer register is
19376 (NONZERO_BASE_PLUS_P): Likewise.
19378 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19380 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19381 match_insn2 to match_insn.
19382 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19384 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19386 * Makefile.in (USER_H): Remove va-foo.h.
19388 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19389 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19390 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19391 va-spur.h,va-v850.h}: Remove.
19393 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19395 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19396 (in_return_delay): Use it instead of match_insn.
19398 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19400 * config/alpha/va_list.h (va-alpha.h): Do not include.
19401 (__gnuc_va_list): Typedef as in varargs.h.
19403 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19405 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19406 DECL_LIVE_RANGE_RTL.
19408 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19410 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19411 not NOTE_BLOCK_NUMBER.
19412 (expand_eh_region_end): Likewise.
19413 (find_exception_handler_labels): Likewise.
19414 (scan_region): Likewise.
19415 (exception_optimize): Likewise.
19416 (update_rethrow_references): Likewise.
19417 (set_insn_eh_region): Likewise.
19418 * final.c (final_scan_insn): Likewise.
19419 * flow.c (make_edges): Likewise.
19420 * integrate.c (expand_inline_function): Likewise.
19421 * print-rtl.c (print_rtx): Likewise.
19423 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19425 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19426 terms of builtin functions and types.
19428 * mips.c (mips_build_va_list): New.
19429 (mips_va_start, mips_va_arg): New.
19430 * mips.h (BUILD_VA_LIST_TYPE): New.
19431 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19433 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19434 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19435 * sh.h (BUILD_VA_LIST_TYPE): New.
19436 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19438 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19440 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19441 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19442 (struct insn_data): Likewise with n_operands, n_dups,
19443 n_alternatives, output_format.
19444 * regclass.c (scan_one_insn): Cast n_operands to int before
19445 arithmetic inside comparison.
19447 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19449 * toplev.c (compile_function): Unconditionally emit nop.
19451 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19453 * haifa-sched.c (actual_hazard): Move declaration of variable
19454 `this_cost' into the scope where it is used.
19456 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19458 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19459 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19460 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19462 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19464 * jump.c (find_insert_position): Don't declare or define unless
19465 !HAVE_conditional_arithmetic.
19466 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19468 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19470 * recog.c (offsettable_address_p): Prototype function pointer.
19471 (preprocess_constraints): Call memset, not bzero.
19473 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19474 (gcc_obstack_init): Don't declare.
19475 (fix_sizetype): Add static prototype.
19476 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19477 (tree_cons): Call memset, not bzero.
19479 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19480 definition in macro ASM_WEAKEN_LABEL.
19481 (mark_const_hash_entry): Add static prototype.
19483 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19485 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19487 * unroll.c (find_common_reg_term, subtract_reg_term,
19488 loop_find_equiv_value): Add static prototypes.
19489 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19490 (copy_loop_body): Remove unreachable break statement.
19492 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19494 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19496 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19498 Undo some changes from the gcc2 merge:
19499 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19500 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19504 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19505 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19506 initialized float-int union if the value is a NaN.
19508 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19510 * gthr-win32.h: New file.
19512 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19513 shared as a valid attribute.
19514 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19515 * extend.texi: Document `shared' variable attribute.
19517 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19519 * configure.in: Handle --enable-threads on FreeBSD.
19520 * configure: Rebuit.
19522 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19524 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19526 * configure: Rebuilt.
19528 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19529 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19530 Rosimildo DaSilva <rdasilva@connecttel.com>
19532 * configure.in (m68k-*-rtemscoff*): Added.
19533 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19534 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19535 sparc-rtems configuration.
19536 * configure.in (sparc-*-rtemself*): Added.
19537 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19538 * config/i386/rtems.h: Added comment.
19539 * config/sparc/rtemself.h: New file.
19541 * configure.in (m68k-rtemself): Added.
19542 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19543 and DWARF_DEBUGGING_INFO.
19544 * config/m68k/crti.s: New file.
19545 * config/m68k/crtn.s: New file.
19546 * config/m68k/t-crtstuff: New file.
19547 * config/m68k/rtemself.h: New file.
19549 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19550 global ctor/dtor and C++ exception handling.
19551 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19552 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19554 * config/i386/t-rtems-i386: New File.
19556 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19558 * stmt.c (expand_end_case): Return right away if the case stack is
19561 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19563 * Makefile.in (version.c): Remove rule incorrectly brought in from
19566 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19568 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19569 * msdos/top.sed: Take into account a prepended $(SHELL) to
19571 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19573 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19575 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19577 * regmove.c (fixup_match_1): Don't change an unchanging register.
19578 (stable_but_for_p): Renamed to:
19579 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19580 Changed all callers.
19582 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19584 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19585 insn from BL2 is after the insn from BL.
19587 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19589 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19590 (struct insn_data): Merge `template' and `outfun' into `output'.
19591 Add `output_format'.
19592 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19593 (struct data): Remove `outfun'; add `output_format'.
19594 (name_for_index): Remove declaration.
19595 (output_insn_data): Handle output formats.
19596 (process_template): Emit the bare array for @.
19597 (gen_expand, gen_split): Set output_format to NONE.
19598 * output.h (get_insn_template): Declare.
19599 * final.c (get_insn_template): New.
19600 (final_scan_insn): Use it.
19601 * toplev.c (compile_file): Likewise.
19603 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19604 * i860/i860.c (output_delayed_branch): Likewise.
19605 (output_delay_insn): Likewise.
19607 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19609 * rtl.c (obstack_alloc_rtx): Removed.
19611 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19613 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19615 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19617 * i386.c (call_insn_operand): Reject const_int.
19618 (expander_call_insn_operand): Use call_insn_operand.
19620 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19622 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19624 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19626 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19627 Use DImode operation.
19629 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19631 * gcc.c: Include sys/resource.h.
19632 (report_times): New flag.
19633 (execute): If report_times is set, calculate and report the
19634 CPU time consumed by each subprocess.
19636 (rus, prus): New globals.
19637 (option_map): Add --time.
19638 (display_help): Document -time.
19639 (process_command): Set report_times if -time is given.
19640 Turn off -pipe if -time is given.
19642 * invoke.texi: Document new option -time.
19644 * configure.in: Check for getrusage. Check if we have to
19645 prototype getrusage.
19646 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19647 * configure: Regenerate.
19648 * config.in: Regenerate.
19650 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19652 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19655 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19657 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19658 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19659 (nan): Return _thenan_sf or _thenan_df as appropriate.
19660 (L_thenan_sf): Define _thenan_sf.
19661 (L_thenan_df): Define _thenan_df.
19663 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19664 (DPBIT_FUNCS): Add _thenan_df.
19666 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19668 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19671 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19673 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19676 (lang_specific_driver): Don't take a function pointer parameter.
19677 All callers changed.
19679 * gcc.c: Include gcc.h.
19680 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19681 lang_specific_extra_outfiles, fatal): Don't declare.
19682 (multilib_defaults_raw): Constify.
19683 (read_specs): Call memset, rather than bzero.
19684 (main): Call return, not exit.
19685 (lookup_compiler): Call memcpy, not bcopy.
19686 (fatal): Make extern.
19688 * cppspec.c: Include gcc.h.
19689 (lang_specific_driver): Initialize variable `quote'. Constify a
19690 char*. All calls to the function pointer parameter now
19691 explicitly call `fatal'.
19693 * gccspec.c (lang_specific_driver): Include gcc.h.
19695 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19697 * arm.c (note_invalid_constants): Use recog_data.operand_type
19700 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19702 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19705 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19706 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19707 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19708 reload_secondary_in_reload, reload_secondary_out_reload,
19709 reload_secondary_in_icode, reload_secondary_out_icode,
19710 reload_reg_rtx, reload_when_needed): Delete declarations.
19711 (struct reload): New structure.
19712 (rld): Declare new array.
19713 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19714 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19715 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19716 reload_secondary_in_reload, reload_secondary_out_reload,
19717 reload_secondary_in_icode, reload_secondary_out_icode,
19718 reload_reg_rtx, reload_when_needed): Delete definitions.
19720 (whole file): Replace uses of the deleted arrays with uses of rld.
19721 * reload1.c (whole file): Replace uses of the deleted arrays with
19723 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19724 explicit loops, not with bcopy.
19726 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19728 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19729 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19730 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19731 insn_name): Delete and consolidate into new structures.
19732 (insn_operand_predicate_fn): New.
19733 (insn_output_fn): New.
19734 (insn_gen_fn): New.
19735 (struct insn_operand_data): New.
19736 (struct insn_data): New.
19738 (OUT_FCN): Update for insn_data change.
19739 * builtins.c (expand_builtin_strlen): Likewise.
19740 (expand_builtin_memcmp): Likewise.
19741 * combine.c (make_extraction, simplify_comparison): Likewise.
19742 * cse.c (canon_reg, cse_insn): Likewise.
19743 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19744 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19745 (emit_store_flag): Likewise.
19746 * expr.c (convert_move, emit_block_move): Likewise.
19747 (clear_storage, emit_push_insn, expand_increment): Likewise.
19748 (do_store_flag): Likewise.
19749 * expr.h (GEN_FCN): Likewise.
19750 (insn_gen_function): Die.
19751 * final.c (final_scan_insn): Update for insn_data change.
19752 (output_asm_name): Likewise.
19753 * function.c (fixup_var_refs_1): Likewise.
19754 * loop.c (check_dbra_loop): Likewise.
19755 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19756 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19757 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19758 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19759 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19760 * regmove.c (gen_add3_insn): Likewise.
19761 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19762 (find_reloads, find_reloads_address_1): Likewise.
19763 (debug_reload_to_stream): Likewise.
19764 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19765 * stmt.c (expand_end_case): Likewise.
19766 * toplev.c (compile_file): Likewise.
19768 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19769 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19771 * print-rtl.c (insn_name_ptr): Remove declaration.
19772 (get_insn_name): Declare.
19773 (print_rtx): Use it.
19774 * genoutput.c (insn_name_ptr): Remove.
19775 (next_operand_number): New.
19776 (struct operand_data): New.
19777 (null_operand, odata, odata_end): New.
19778 (struct data): Use struct operand_data.
19779 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19780 (get_insn_name): Renamed from name_for_index.
19781 (output_prologue): Define NO_MD_PROTOTYPES.
19782 (output_predicate_decls): Break out from output_epilogue.
19783 Iterate over the operands list.
19784 (output_operand_data): Break out from output_epilogue. Emit
19785 just the operands list.
19786 (output_insn_data): Break out from output_epilogue. Emit just
19788 (output_epilogue): Remove.
19789 (output_get_insn_name): New.
19790 (constraints, op_n_alternatives, predicates, address_p): Die.
19791 (modes, strict_low, seen): Die.
19792 (scan_operands): Take new param `d' instead of writing to
19793 seven global variables.
19794 (compare_operands): New.
19795 (place_operands): New.
19796 (validate_insn_alternatives): Update for struct data change.
19797 (gen_insn): Don't zero or copy 7 global arrays. Update for
19798 scan_operands; call place_operands.
19799 (gen_peephole, gen_expand, gen_split): Likewise.
19800 (main): Update for new output routines.
19802 * genattr.c (insn_name_ptr): Remove.
19803 (get_insn_name): New function.
19804 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19805 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19806 * genrecog.c: Likewise.
19808 * alpha.md (adddi3): Make `pattern' array static.
19810 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19812 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19813 c4x_cpu_version_string): Constify char *.
19814 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19815 c4x_cpu_version_string): Likewise.
19817 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19819 * tree.c (save_tree_status): Revert 10 Sep change.
19820 (restore_tree_status): Likewise. Call obstack_free with NULL
19821 before freeing the obstack proper.
19823 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19825 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19827 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19828 surrounding context.
19830 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19832 * tree.c (type_hash_canon): Put all types in the hash-table, when
19835 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19837 * recog.h (struct recog_data, recog_data): New.
19838 (recog_foo variables): Kill.
19839 * recog.c (recog_operand, recog_operand_loc): Kill.
19840 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19841 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19842 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19843 (recog_data): Define.
19844 (extract_insn): Update all recog_foo references to use recog_data.
19845 (preprocess_constraints, constrain_operands): Likewise.
19846 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19847 * genattrtab.c (main): Likewise.
19848 * genextract.c (main): Likewise.
19849 * genoutput.c: Likewise.
19850 * genrecog.c (write_subroutine, main): Likewise.
19851 * local-alloc.c (block_alloc): Likewise.
19852 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19853 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19854 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19855 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19856 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19857 (reload_cse_simplify_operands): Likewise.
19859 * arc/arc.c (arc_final_prescan_insn): Likewise.
19860 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19861 * h8300/h8300.c (notice_update_cc): Likewise.
19862 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19863 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19864 * mn10200/mn10200.c (notice_update_cc): Likewise.
19865 * mn10300/mn10300.c (notice_update_cc): Likewise.
19866 * romp/romp.c (update_cc): Likewise.
19867 * sparc/sparc.c (check_pic): Likewise.
19868 * v850/v850.c (notice_update_cc): Likewise.
19870 * genemit.c (main): Don't declare recog_operand.
19872 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19874 * ggc.h (rtvec_def): Forward declare.
19875 (tree_node): Likewise.
19876 (ggc_root): Define.
19878 (ggc_set_mark_rtx): Add prototype.
19879 (ggc_set_mark_rtvec): Likewise.
19880 (ggc_set_mark_tree): Likewise.
19881 * ggc-simple.c (ggc_root): Don't define.
19882 (roots): Don't declare.
19883 (ggc_mark_rtx): Remove.
19884 (ggc_mark_rtvec): Likewise.
19885 (ggc_mark_tree): Likewise.
19886 (ggc_mark_varray): Likewise.
19887 (ggc_mark_tree_hash_table_entry): Likewise.
19888 (ggc_mark_tree_hash_table): Likewise.
19889 (ggc_set_mart_rtx): New function.
19890 (ggc_set_mark_rtvec): Likewise.
19891 (ggc_set_mark_tree): Likewise.
19892 (ggc_add_root): Remove.
19893 (ggc_add_rtx_root): Likewise.
19894 (ggc_remove_tree_root): Likewise.
19895 (ggc_add_string_root): Likewise.
19896 (ggc_add_tree_varray_root): Likewise.
19897 (ggc_add_tree_hash_table_root): Likewise.
19898 (ggc_del_root): Likewise.
19899 (ggc_mark_rtx_ptr): Likewise.
19900 (ggc_mark_tree_ptr): Likewise.
19901 (ggc_mark_string_ptr): Likewise.
19902 (ggc_mark_tree_varray_ptr): Likewise.
19903 (ggc_mark_tree_hash_table_ptr): Likewise.
19904 * ggc-common.c: New file.
19905 * Makefile.in (OBJS): Add ggc-common.o.
19906 (ggc-common.o): List dependencies.
19908 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19910 * cppalloc.c (xstrdup): Use memcpy.
19911 * cpperror.c (cpp_print_containing_files): Don't use
19913 * cpplib.c (conditional_skip): Set temp->lineno.
19914 (do_endif): Make error message less obscure.
19915 (if_directive_name): New function.
19916 (cpp_get_token [case EOF]): Unwind the if stack and generate
19917 error messages for each unterminated conditional in this file.
19918 (parse_string): Do not behave differently if -traditional.
19920 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19922 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19923 va_list decomposing to pointer-type.
19924 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19925 (rs6000_va_arg): Likewise.
19927 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19929 * except.c (start_dynamic_handler): Compute size using
19930 STACK_SAVEAREA_MODE.
19932 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19934 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19935 include directory headers. Don't define strrchr. Don't provide
19936 my_* replacement functions. Prefer PTR over `pointer_type'.
19937 Don't prototype system functions. Don't redefine getopt.
19939 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19940 safe_read, safe_write, save_pointers, restore_pointers,
19941 is_id_char, in_system_include_dir, directory_specified_p,
19942 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19943 find_corresponding_lparen, referenced_file_is_newer,
19944 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19945 process_aux_info_file, identify_lineno, check_source,
19946 seek_to_line, forward_to_next_token_char, output_bytes,
19947 output_string, output_up_to, other_variable_style_function,
19948 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19949 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19950 find_static_definition, connect_defs_and_decs, add_local_decl,
19951 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19952 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19953 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19954 scan_for_missed_items, edit_file, string_list_cons): Add static
19956 (standard_exec_prefix, target_machine, target_version,
19957 default_syscalls_dir, string_list, string_list_cons, find_file,
19958 do_cleaning): Constify a char*.
19959 (safe_read, safe_write): Use PTR, not a char*.
19960 (is_id_char): Take an int, not a char.
19961 (main): Add prototype. Call return, not exit.
19963 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19965 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19966 when comparing types.
19968 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19970 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19971 (strength_reduce): Release the varrays from the no-bivs early exit.
19973 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19974 the loop over the registers.
19976 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19978 (restore_tree_status): Check that instead when freeing the obstack.
19980 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19982 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19985 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19987 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19988 operand size modifiers.
19990 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19992 * c-common.c (c_common_nodes_and_builtins): Don't build
19994 * c-common.h (enum c_tree_index and related accesor macros): Remove
19995 everything now declared in tree.h.
19996 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19997 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19998 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19999 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20000 unsigned_type_node, ptr_type_node, va_list_type_node,
20001 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20002 (init_decl_processing): Call build_common_tree_nodes and
20003 build_common_tree_nodes_2 instead of building their nodes here.
20004 Don't add roots for these nodes.
20005 * stor-layout.c (size_zero_node, size_one_node): Delete.
20006 (set_sizetype): Make a new node for bitsizetype each time.
20007 * tree.c (global_trees): New variable.
20008 (init_obstacks): Add a gc root for it.
20009 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20010 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20011 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20012 (build_common_tree_nodes): New function.
20013 (fix_sizetype): New function.
20014 (build_common_tree_nodes_2): New function.
20015 * tree.h (enum tree_index): New.
20016 (global_trees): Declare.
20017 Add accessor macros for all nodes now moved to global_trees.
20018 Delete their declarations.
20020 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20022 * c-decl.c (finish_function): When processing a nested function,
20023 push and pop GC context around rest_of_compilation.
20025 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20027 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20028 Default ix86_arch to PROCESSOR_I386.
20029 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20030 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20031 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20032 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20033 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20034 (EXTRA_SPECS): Remove deleted specs.
20036 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20038 * function.c (assign_stack_local_1): Allocate from
20039 function->x_frame_offset, not frame_offset.
20041 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20043 * ggc.h (lang_cleanup_tree): Remove.
20044 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20045 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20047 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20048 TYPE_LANG_SPECIFIC when garbage collecting.
20049 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20050 (lang_cleanup_tree): Remove.
20052 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20054 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20055 * crtstuff.c: Not here.
20056 * dwarf2out.c: Or here.
20057 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20060 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20062 * function.h (free_after_compilation): Remove decl parameter.
20063 (free_varasm_status0: Likewise.
20064 (free_emit_status): Likewise.
20065 (free_stmt_status): Likewise.
20066 (free_after_compilation): Likewise.
20067 (init_lang_status): New variable.
20068 (free_lang_status): Likewise.
20069 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20070 * function.c (init_lang_status): New variable.
20071 (free_lang_status): Likewise.
20072 (push_function_context_to): Don't set function::decl here.
20073 (free_after_copmilation): Make decl parameter implicit. Call
20074 free_lang_status if defined.
20075 (prepare_function_start): Call init_lang_status if defined.
20076 (init_function_start): Set function::decl here.
20077 * profile.c (output_func_start_profiler): Don't call pushdecl
20078 until we've actually started the function.
20079 * stmt.c (free_stmt_status): Make decl parameter implicit.
20080 * toplev.c (rest_of_compilation): Don't pass decl to
20081 free_after_compilation.
20082 * varasm.c (free_varasm_status): Likewise.
20084 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20086 * except.c (call_get_eh_context): Add root when allocating static
20089 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20091 * arm.c: Include "ggc.h".
20092 (arm_add_gc_roots): New function.
20093 (arm_override_options): Call it.
20094 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20096 * arm.md (define_asm_attributes): Add a pool_range attribute.
20098 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20100 * extend.texi (Volatiles): New node.
20102 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20104 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20105 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20106 (struct ggc_any): Replace `mark' with `magic_mark'.
20107 (ggc_alloc_string): Use memcpy, not bcopy.
20108 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20109 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20110 (ggc_free_any): New.
20111 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20112 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20113 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20114 Use IS_MARKED. Use ggc_free_any.
20116 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20118 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20120 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20122 * toplev.c (main): Always init_ggc.
20124 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20126 * except.c (find_all_handler_type_matches): Free the list if
20127 we found no matches.
20129 * combine.c (SUBST): Break out to a real function do_SUBST.
20130 (SUBST_INT): Likewise.
20131 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20132 (pre_insert): Free `inserted'.
20133 * loop.c (basic_induction_var): Always set `location'.
20135 * function.c (expand_function_end): Add initial_trampoline as a root.
20136 * rtl.h (init_varasm_once): Declare.
20137 * toplev.c (compile_file): Call it.
20138 * ggc-simple.c (ggc_mark_string_ptr): New.
20139 (ggc_add_string_root): New.
20140 (ggc_collect): Disable collection avoidance temporarily.
20141 * ggc.h (ggc_add_string_root): Declare.
20142 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20143 * optabs.c (init_libfuncs): Likewise.
20144 * varasm.c (named_section): Use ggc_alloc_string.
20145 (make_function_rtl): Likewise.
20146 (make_decl_rtl): Likewise.
20147 (assemble_static_space): Likewise.
20148 (assemble_trampoline_template): Likewise.
20149 (output_constant_def): Likewise.
20150 (force_const_mem): Likewise.
20151 (mark_const_hash_entry): New.
20152 (mark_pool_sym_hash_table): New.
20153 (mark_varasm_state): Use it.
20154 (init_varasm_once): New.
20156 * expr.h (init_one_libfunc): Declare.
20157 * optabs.c (init_one_libfunc): New.
20158 (init_optabs): Use it.
20159 * config/gofast.h: Likewise.
20160 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20161 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20163 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20165 * Makefile.in (cppexp.o): Depend on cpphash.h.
20166 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20168 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20169 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20170 redefining poisoned identifiers, etc.
20171 (do_undef): Don't allow poisoned identifiers to be undefined.
20172 (do_pragma): Add #pragma poison.
20173 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20175 * cccp.c: Add T_POISON node type.
20176 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20178 (do_define): Generalise to handle poisoned definitions,
20179 redefining poisoned identifiers, etc.
20180 (do_undef): Don't allow poisoned identifiers to be undefined.
20181 (do_pragma): Add #pragma poison.
20182 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20184 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20185 * c-pragma.h: Add ps_poison state. We now always have generic
20188 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20190 * ggc.h (ggc_alloc): New function.
20191 (ggc_mark): Likewise.
20192 * ggc-simple.c (ggc_any): New structure.
20193 (ggc_status): Add anys.
20194 (n_anys_collected): New variable.
20195 (ggc_alloc): Define.
20196 (ggc_mark): Likewise.
20197 (ggc_collect): Collect the anys.
20199 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20201 * c-decl.c (mark_binding_level): Make static to match prototype.
20203 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20205 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20207 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20209 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20210 will use into account. Expand the max width to 5.
20213 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20215 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20216 for the rtx length.
20218 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20220 * alpha.md (call value patterns): Remove the result predicates.
20222 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20224 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20227 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20229 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20230 changed from extern char *, to extern PTR. Also fix typo in
20231 NEED_DECLARATION_REALLOC test.
20233 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20235 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20237 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20238 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20239 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20240 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20242 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20244 * cccp.c (pcfinclude): Likewise.
20246 * global.c (allocno_compare): Likewise.
20248 * haifa-sched.c (rank_for_schedule): Likewise.
20250 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20252 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20254 * stupid.c (stupid_reg_compare): Likewise.
20256 * tree.c (_obstack_allocated_p): Likewise.
20258 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20260 1999-09-08 Bruce Korb autogen@linuxbox.com
20262 * Makefile.in: Give the hapless gperf user a hint about
20263 why "gperf -F" fails.
20265 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20267 * lists.c: Include ggc.h.
20269 (init_EXPR_INSN_LIST_cache): Install it.
20271 * ggc-simple.c (init_ggc): Absorb the old init.
20272 (ggc_push_context): Use xcalloc.
20273 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20274 (ggc_collect): Add [rvts] tags to the collection stats.
20276 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20278 * cccp.c (main): Fix handling of -include and -imacros options.
20280 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20282 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20284 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20286 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20289 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20291 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20292 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20293 and SET_DEST. Update comment.
20295 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20297 * config/c4x/c4x.c: Include ggc.h.
20298 (c4x_add_gc_roots): New function.
20299 (c4x_override_options): Call c4x_add_gc_roots.
20301 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20303 * defaults.h (TARGET_ESC): Move ...
20304 * system.h: ... here, where Linas had it in the first place. Silly me.
20306 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20308 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20309 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20310 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20311 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20312 * defaults.h (TARGET_ESC): Add default.
20314 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20316 * configure.in: add i370-*-openedition, i370-*-mvs and
20317 i370-*-linux targets
20319 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20321 * dsp16xxx.c: Include ggc.h
20322 (override_options): Mark GC roots.
20323 * mn10200.c: Include ggc.h.
20324 (asm_file_start): Mark GC roots.
20325 * tahoe.c: Include ggc.h.
20326 (extensible_operand): Mark GC roots.
20328 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20330 * README: Add section discussing status of ELF ABI.
20331 * i370.c: Fix misc spelling mistakes.
20332 (i370_label_scan): Updated notes, exception handling.
20333 (i370_function_prolog): Simplify ELF stack handling.
20334 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20335 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20336 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20337 * i370.md: (movdi): Add notes.
20338 (floatsidf2): Use stack not rtca for scratch float area.
20339 (iorsi3): Correct operand constraints.
20340 * x-oe: Restore TAROUTOPTS which are used by pax.
20342 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20344 * rs6000.c: Include ggc.h.
20345 (rs6000_add_gc_roots): New function.
20346 (override_options): Call it.
20348 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20350 * alpha.h (alpha_compare): New.
20351 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20352 * alpha.c: Likewise for the definitions.
20353 (alpha_emit_conditional_branch): Update for alpha_compare.
20354 (alpha_emit_conditional_move): Likewise.
20355 * alpha.md (cmpdf, cmpdi): Likewise.
20356 (setcc patterns): Likewise. Zero alpha_compare after use.
20357 (sne): Optimize (x != 0) into (0U < x).
20359 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20361 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20362 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20363 (INIT_EXPANDERS): Remove.
20364 * alpha.c: Include ggc.h.
20365 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20366 (alpha_init_machine_status, alpha_mark_machine_status): New.
20367 (override_options): Install them.
20368 (struct machine_function): Moved to alpha.h.
20369 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20370 (alpha_init_expanders): Remove.
20371 (alpha_return_addr): Adjust to use current_function->machine.
20372 (alpha_ra_ever_killed): Likewise.
20373 (alpha_expand_epilogue): Likewise.
20374 * alpha.md (eh_epilogue): Likewise.
20376 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20377 Melissa O'Neill <oneill@cs.sfu.ca>
20378 Geoffrey Keating <geoffk@cygnus.com>
20380 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20381 call-used registers (call-saved registers must still be contiguous
20382 and end with r31, of course).
20384 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20386 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20387 (self_promoting_type_p): Delete.
20388 (self_promoting_args_p): Move ...
20389 * c-common.c: ... here.
20390 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20391 (simple_type_promotes_to): New.
20392 * builtins.c (lang_type_promotes_to): New.
20393 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20394 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20395 * c-common.h: ... here.
20396 (self_promoting_args_p, simple_type_promotes_to): Declare.
20397 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20398 (grokdeclarator): Likewise.
20399 * tree.h (lang_type_promotes_to): Declare.
20401 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20403 Add some machine-dependent GC roots.
20404 * sparc.c: Include ggc.h.
20405 (sparc_add_gc_roots): New function.
20406 (mark_ultrasparc_pipeline_state): Likewise.
20407 (override_options): Call sparc_add_gc_roots.
20408 * pa.c: Include ggc.h.
20409 (pa_add_gc_roots): New function.
20410 (mark_deferred_plabels): Likewise.
20411 (override_options): Call pa_add_gc_roots.
20412 * mips.c: Include ggc.h.
20413 (mips_add_gc_roots): New function.
20414 (override_options): Use it.
20416 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20418 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20420 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20421 cpp_parse_expr): Add static prototypes.
20422 (parse_charconst): Don't cast away const-ness.
20423 (token): Constify a char*.
20425 * cppfiles.c (file_name_list, include_hash, find_include_file,
20426 finclude, initialize_input_buffer): Constify a char*.
20427 (file_cleanup, find_position): Add static prototypes.
20429 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20430 collect_expansion): Add static prototypes.
20431 (cpp_install, create_definition, monthnames): Constify a char*.
20433 * cpphash.h (cpp_install): Likewise.
20435 * cppinit.c (known_suffixes, default_include,
20436 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20437 (base_name, dump_special_to_buffer, initialize_dependency_output):
20438 Add static prototypes.
20440 * cpplib.c (my_strerror): Constify a char*.
20441 (null_underflow, null_cleanup, skip_comment, copy_comment,
20442 copy_rest_of_line, handle_directive, pass_thru_directive,
20443 get_directive_token, read_line_number, cpp_print_file_and_line,
20444 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20445 v_cpp_warning_with_line, detect_if_not_defined,
20446 consider_directive_while_skipping): Add static prototypes.
20447 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20448 cpp_pedwarn_with_file_and_line): Constify a char*.
20450 * cpplib.h (cpp_options, include_hash, progname, definition,
20451 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20452 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20453 find_include_file, deps_output, include_hash): Constify a char*.
20455 * cppmain.c (progname): Constify.
20456 (main): Add prototype. Use return, not exit.
20458 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20459 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20460 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20461 check_protection): Add static prototype.
20463 (progname, recognized_macrom, recognized_extern): Constify a char*.
20464 (main): Add prototype.
20466 * gen-protos.c (progname): Constify a char*.
20468 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20470 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20471 (init_emit_once): Add more GC roots.
20472 * except.c (mark_func_eh_entry): New function.
20473 (mark_eh_node): Mark false_label and rethrow_label.
20474 (init_eh): Add more GC roots.
20475 * function.c (free_after_compilation): Take decl as a paramter.
20476 Call free_stmt_status.
20477 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20479 * function.h (free_after_compilation): Change prototype.
20480 (free_varasm_status): Likewise.
20481 (free_emit_status): Likewise.
20482 (free_stmt_status): New function.
20483 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20484 Remove, replacing with ...
20485 (ggc_status): New structure.
20486 (ggc_chain): New variable.
20487 (init_gcc): Define.
20488 (ggc_push_context): New function.
20489 (ggc_pop_context): Likewise.
20490 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20491 (ggc_alloc_rtvec): Likewise.
20492 (ggc_alloc_tree): Likewise.
20493 (ggc_alloc_string): Likewise.
20494 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20495 (ggc_mark_tree): Give language-dependent code a chance to mark
20497 (ggc_mark_tree_varray): Handle empty arrays.
20498 (ggc_collect): Adjust for use of ggc_chain. Clear
20499 bytes_alloced_since_last_gc.
20500 * ggc.h (ggc_pop_context): New function.
20501 (ggc_push_context): Likewise.
20502 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20503 * stmt.c (free_stmt_status): New function.
20504 (init_stmt_for_function): Clear last_expr_value.
20505 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20506 Conditionalize call to ggc_collect.
20507 (main): Call init_ggc.
20508 * tree.c (push_obstacks): Do the push, even when GC'ing.
20509 (push_obstacks_nochange): Likewise.
20510 (pop_obstacks): Liekwise.
20511 * varasm.c (free_varasm_status): Take decl as a parameter.
20513 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20515 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20516 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20517 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20518 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20520 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20522 * pa/x-pa-mpeix: New file for the MPE port.
20524 * pa/quadlib.asm: New file for long double support.
20526 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20527 * configure: Rebuilt.
20529 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20531 * final.c (shorten_branches): Fix last change.
20533 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20535 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20537 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20539 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20542 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20544 * c-aux-info.c (concat): Don't define.
20546 * cccp.c (my_strerror): Likewise. All callers changed to use
20548 (do_include): Call xstrdup, not xmalloc/strcpy.
20549 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20550 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20552 * collect2.c (my_strsignal): Likewise. All callers changed to use
20554 (locatelib): Call xstrdup, not xmalloc/strcpy.
20556 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20558 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20560 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20562 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20564 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20566 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20568 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20570 (find_all_handler_type_matches): Likewise. Don't check return
20572 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20573 xmalloc, not malloc.
20574 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20576 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20577 (init_spec): Call xcalloc, not xmalloc/bzero.
20578 (set_spec): Call xstrdup, not save_string.
20579 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20580 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20581 (process_command): Call xstrdup, not save_string.
20582 (main): Call xcalloc, not xmalloc/bzero.
20584 * gcov.c (xmalloc): Don't define.
20585 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20586 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20587 (output_data): Call xcalloc, not xmalloc/bzero.
20589 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20591 * mips-tdump.c (xmalloc): Don't define.
20592 (print_symbol): Call xmalloc, not malloc.
20593 (read_tfile): Call xcalloc, not calloc.
20595 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20596 Don't define. All callers of xfree/my_strsignal changed to use
20597 free/strsignal instead.
20598 (allocate_cluster): Call xcalloc, not calloc.
20600 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20601 Fix memory leak, free allocated memory.
20603 * prefix.c (translate_name): Call xstrdup, not save_string.
20604 (update_path): Likewise.
20606 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20608 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20609 Don't define. Callers of xfree/savestring2 changed to use
20610 free/concat instead.
20612 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20613 (init_elim_table): Likewise.
20615 * resource.c (init_resource_info): Likewise.
20617 * stupid.c (stupid_life_analysis): Likewise.
20619 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20620 (open_dump_file): Call concat, not xmalloc/strcpy/...
20621 (clean_dump_file): Likewise.
20622 (compile_file): Call xstrdup, not xmalloc/strcpy.
20624 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20626 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20627 * v850.c (v850_va_arg): New.
20629 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20631 * haifa-sched.c: Tidy comments.
20633 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20635 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20636 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20637 $(out_object_file)): Depend on ggc.h.
20638 * c-common.c: Include "ggc.h".
20639 (combine_strings): If doing GC, use ggc_alloc_string.
20640 * c-decl.c: Include "ggc.h".
20641 (ggc_p): Define with value 0.
20642 (mark_binding_level): New function.
20643 (init_decl_processing): Add GC roots.
20644 (mark_c_function_context): New function.
20645 (lang_mark_false_label_stack): New function.
20646 (lang_mark_tree): New function.
20647 (lang_cleanup_tree): New function.
20648 * c-lang.c: Include "ggc.h".
20649 (lang_init): Call c_parse_init.
20650 * c-lex.c: Include "ggc.h".
20651 (check_linenum): If doing GC, don't copy filenames to permanent
20653 * c-parse.in: Include "ggc.h".
20654 (c_parse_init): New function.
20655 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20656 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20658 * except.c (mark_eh_state): Mark more state.
20659 * function.c (mark_function_state): Likewise.
20660 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20661 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20662 * toplev.c (mark_file_stack): New function.
20663 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20664 (main): Add root for input_file_stack.
20666 * i386.c: Include "ggc.h".
20667 (ix86_mark_machine_status): New function.
20668 (override_options): Set mark_machine_status.
20670 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20672 * tree.c (copy_node): Copy node contents also if doing GC.
20674 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20676 * collect2.c (scan_libraries): Fix double-thinko :-).
20678 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20680 * collect2.c (scan_libraries): Fix thinko.
20682 * cse.c (delete_trivially_dead_insns): Do not skip the last
20683 insn if it is a real insn.
20685 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20687 * Makefile.in (ggc-simple.o): Depend on hash.h.
20688 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20689 (ggc_mark_tree_varray): Likewise.
20690 (ggc_mark_tree_hash_table): Likewise.
20691 * ggc-simple.c: Include hash.h.
20692 (ggc_mark_tree_hash_table_ptr): New function.
20693 (ggc_mark_tree_hash_table_entry): Likewise.
20694 (ggc_mark_tree_hash_table): Likewise.
20695 (ggc_add_tree_hash_table_root): Likewise.
20696 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20697 rtx, when defining fields.
20699 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20701 * profile.c (output_func_start_profiler): Remove apparently
20702 nonsensical call to start_sequence.
20704 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20706 * clipper/clipper.c (clipper_va_start): Fix typos.
20708 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20709 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20710 (spur_va_arg): New stub.
20712 * configure.in: Comment out pyramid.
20714 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20716 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20717 don't conflict with the bits that win32, cygwin, and dgux
20720 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20721 Bernd Schmidt <bernds@cygnus.co.uk>
20723 * integrate.c (function_cannot_inline_p): Do not inline
20724 functions with forced labels.
20726 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20727 Bernd Schmidt <bernds@cygnus.co.uk>
20728 Mark Mitchell <mark@codesourcery.com>
20730 * Makefile.in (ggc-simple.o): Depend on varray.h.
20731 (rtl.o): Depend on ggc.h.
20732 (genattrtab.o): Depend on ggc.h.
20733 (print-tree.o): Likewise.
20734 (fold-const.o): Likewise.
20735 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20736 (make_insn_raw): Don't cache insns when GC'ing.
20737 (emit_insn_before): Likewise.
20738 (emit_insn_after): Likewise.
20739 (emit_insn): Likewise.
20740 (start_sequence): Use xmalloc to allocate the sequence_stack.
20741 (end_sequence): Add free to free it.
20742 (gen_sequence): Don't cache insns when GC'ing.
20743 (clear_emit_caches): Don't use sequence_element_free_list.
20744 (init_emit): Use xcalloc, not xmalloc+bzero.
20745 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20746 * function.c (pop_function_context_from): Use free to free the
20747 fixup_var_refs_queue.
20748 (put_reg_into_stack): Allocate it with xmalloc.
20749 * genattrtab.c: Include ggc.h.
20750 (operate_exp): Don't use obstack_free when GC'ing.
20751 (simplify_cond): Likewise.
20752 (simplify_text_exp): Likewise.
20753 (optimize_attrs): Likewise.
20754 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20756 (gencode): Generate a #include for ggc.h.
20757 * ggc-callbacks.c (ggc_p): Define it to zero.
20758 * ggc-none.c (ggc_p): Likewise.
20759 * ggc-simple.c: Include varray.h.
20760 (ggc_mark_tree_varray): New function.
20761 (ggc_add_tree_varray_root): Likewise.
20762 (ggc_mark_tree_varray_ptr): Likewise.
20763 * ggc.h (ggc_p): Declare.
20764 (varray_head_tag): Likewise.
20765 (ggc_add_tree_varray_root): Declare.
20766 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20767 inconsistencies when GC'ing.
20768 * rtl.c: Include ggc.h.
20769 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20770 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20771 (rtx_free): Don't call obstack_free when GC'ing.
20772 * toplev.c (rest_of_compilation): Call ggc_collect after every
20774 * tree.c (push_obstacks): Do nothing, if GC'ing.
20775 (pop_obstacks_nochange): Likewise.
20776 (pop_obstacks): Likewise.
20777 (make_node): Use ggc_alloc_tree when GC'ing.
20778 (copy_node): Likewise.
20779 (get_identifier): Use ggc_alloc_string when GC'ing.
20780 (build_string): Likewise.
20781 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20782 (tree_cons): Likewise.
20783 (build1): Likewise.
20784 (type_hash_canon): Don't call obstack_free when GC'ing.
20786 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20788 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20789 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20791 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20792 Bernd Schmidt <bernds@cygnus.co.uk>
20793 Mark Mitchell <mark@codesourcery.com>
20795 * Makefile.in (stor-layout.o): Depend on ggc.h.
20796 (expr.o): Depend on ggc.h.
20797 (profile.o): Depend on ggc.h.
20798 (stor-layout.o): Depend on ggc.h.
20799 * emit-rtl.c (init_emit_once): Add gc roots.
20800 * expr.c: Include ggc.h.
20801 (emit_block_move): Add gc roots.
20802 (clear_storage): Likewise.
20803 * expr.h (init_stor_layout_once): New function.
20804 * profile.c: Include ggc.h.
20805 (init_arc_profiler): profiler_label is a root.
20806 * scan.c (make_sstring_space): Trust xrealloc to function
20807 correctly with first parameter NULL.
20808 * stor-layout.c: Include ggc.h.
20809 (set_sizetype): Add gc root.
20810 (init_stor_layout_once): New function.
20811 * toplev.c (compile_file): Call it.
20813 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20814 Bernd Schmidt <bernds@cygnus.co.uk>
20815 Mark Mitchell <mark@codesourcery.com>
20817 * Makefile.in (tree.o): Depend on ggc.h.
20818 (varasm.o): Likewise.
20819 (function.o): Likewise.
20820 (stmt.o): Likewise.
20821 (except.o): Likewise.
20822 (optabs.o): Likewise.
20823 (emit-rtl.o): Likewise.
20824 * emit-rtl.c: Include ggc.h.
20825 (sequence_element_free_list): Remove, and all references.
20826 (mark_sequence): New functions.
20827 (mark_emit_state): New function.
20828 * except.c: Include ggc.h.
20829 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20830 (mark_tree_label_node): New functions.
20831 (mark_eh_state): New function.
20832 * function.c: Include ggc.h.
20833 (mark_temp_slot, mark_function_chain): New functions.
20834 (mark_function_state): New function.
20835 (init_function_once): New function.
20836 * function.h (init_function_once): New function.
20837 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20838 * ggc.h (label_node): Declare.
20839 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20840 (lang_mark_false_label_stack): New function.
20841 (mark_temp_slot): Remove declaration.
20842 (mark_function_chain): Likewise.
20843 (mark_eh_state): Adjust prototype.
20844 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20846 * optabs.c: Include ggc.h.
20847 (mark_optab): New function.
20848 (init_optabs): Add gc roots.
20849 * stmt.c: Include ggc.h.
20850 (mark_cond_nesting, mark_loop_nesting): New functions.
20851 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20852 (mark_stmt_state): New function.
20853 * toplev.c (compile_file): Call init_function_once.
20854 * tree.c: Include ggc.h.
20855 (type_hash): Move declaration earlier in file.
20856 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20857 (init_obstacks): Add gc roots.
20858 (mark_type_hash): New function.
20859 * varasm.c: Include ggc.h.
20860 (mark_pool_constant): New function.
20861 (mark_varasm_state): New function.
20863 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20865 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20867 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20869 * c-decl.c (struct language_function): Renamed from struct c_function.
20871 (c_function_chain): Delete.
20872 (push_c_function_context): New arg F. Don't warn about nested
20873 functions here. Fill LANGUAGE elt of F. Delete code to update
20874 c_function_chain. Don't call push_function_context.
20875 (pop_c_function_context): New arg F. Restore from there instead of
20876 from c_function_chain. Don't call pop_function_context. Clear out
20877 LANGUAGE field of F when done.
20878 * c-lang.c: Include "function.h"
20879 (lang_init): Initialize save_lang_status and restore_lang_status.
20880 * c-parse.in (nested_function, nested_function_notype): Warn about
20881 nested functions. Call push_function_context/pop_function_context
20882 instead of the _c_ variants.
20883 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20885 * Makefile.in (c-lang.o): Update dependencies.
20887 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20888 regno_pointer_flag, regno_pointer_align.
20889 (gen_reg_rtx): Use xrealloc to enlarge them.
20890 (free_emit_status): New function.
20891 * function.c (mark_machine_status, mark_lang_status): New variables.
20892 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20893 in some bits from assign_stack_local. All callers changed to use new
20895 (assign_stack_local): Just call assign_stack_local_1.
20896 (free_after_compilation): New function.
20897 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20898 (trampoline_address): Likewise.
20899 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20900 (prepare_function_start): Explicitly clear some more variables.
20901 * function.h (struct function): New elt can_garbage_collect.
20902 (mark_machine_status, mark_lang_status): Declare variables.
20903 (free_after_compilation, free_emit_status, free_varasm_status,
20904 init_varasm_status): Declare functions.
20905 * toplev.c (rest_of_compilation): Call free_after_compilation when
20906 done with the current function.
20907 * varasm.c (free_varasm_status): New function.
20909 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20911 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20912 (EXPAND_BUILTIN_VA_ARG): Define.
20913 * sparc.c (sparc_va_start): New.
20914 (sparc_va_arg): New.
20916 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20918 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20920 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20922 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20924 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20926 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20927 (OBJS): Add $(GGC).
20928 (ggc-callbacks.o): New target.
20929 * ggc-callbacks.c: New file.
20931 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20933 * expr.h: Collapse individual optab and libfunc vars to arrays.
20934 (optab_index, libfunc_index): New enumerations.
20935 (optab_table, libfunc_table): New arrays.
20936 Add accessor macros for both.
20938 * optabs.c (optab_table, libfunc_table): New.
20939 Delete declarations for individual optab and libfunc vars.
20941 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20943 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20945 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20947 * Makefile.in (GGC, GGC_LIB): New.
20948 (HOST_RTL): Include ggc-none.o.
20949 (ggc-simple.o): New target.
20950 (ggc-none.o): Likewise.
20951 * tree.h (tree_common): Add gc_mark.
20952 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20953 (struct rtvec_def): Add gc_mark.
20954 * emit-rtl.c (global_rtl): Update static initializers to contain
20955 enough initializers.
20956 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20957 * toplev.c (gc_time): New variable.
20958 (all_time): New variable.
20959 (compile_file): Print gc time.
20960 (print_time): Calculate percentage of the whole.
20962 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20964 Change obstack memory management and varasm constant pool handling so
20965 that nested functions are treated like any other functions.
20966 * function.c (init_machine_status): New variable.
20967 (push_function_context_to): Set contains_functions for the outer
20968 function. Don't call save_varasm_status.
20969 (pop_function_context_from): Don't call restore_varasm_status. Don't
20970 set current_function_contains_functions.
20971 (prepare_function_start): Call init_varasm_status rather than
20972 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20974 * function.h (struct function) Add field varasm. Delete fields
20975 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20976 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20977 (init_machine_status): Declare.
20978 (save_varasm_status, restore_varasm_status): Delete declarations.
20979 (save_tree_status, restore_tree_status): Delete last argument.
20980 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20981 code. All callers changed.
20982 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20983 save_constants_in_decl_trees, restore_constants, save_constants,
20984 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20986 (inlining): New variable.
20987 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20988 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20990 (save_for_inline_nocopy): Don't save constants.
20991 Don't set inl_emit field in current_function.
20992 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20993 function. Set new variable inlining before
20994 calling copy_rtx_and_substitute.
20995 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20996 constant pool references if inlining is nonzero.
20997 Delete ADDRESS and (most of the) CONST cases.
20998 (output_inline_function): Save and restore current_function/
20999 current_function_decl. Delete restore_constants code. Don't call
21000 init_const_rtx_hash_table.
21001 * output.h (init_const_rtx_hash_table): Don't declare.
21002 * rtl.h (struct function): Declare.
21003 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21004 * toplev.c (rest_of_compilation): Don't treat nested functions or
21005 functions containing them specially. Delete all code to deal with
21006 save_for_inline_copying.
21007 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21008 inline_obstacks): Delete variables.
21009 (save_tree_status): Lose arg CONTEXT. All callers changed.
21010 Simply allocate a new function_maybepermanent_obstack for the new
21011 function, delete all the special cases.
21012 Don't save inline_obstacks.
21013 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21014 Delete special handling for function_maybepermanent_obstack; simply
21016 Don't restore inline_obstacks.
21017 (permanent_allocation): Delete code that frees inline_obstacks.
21018 (print_inline_obstack_statistics): Delete function.
21019 (dump_tree_statistics): Don't call it.
21020 * varasm.c (struct varasm_status): New.
21021 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21022 last_pool, pool_offset, const_double_chain): Delete global
21023 variables, replace with accessor macros.
21024 (immed_double_const): Don't walk const_double_chain outside a
21025 function, but don't treat nested functions specially anymore.
21026 (immed_real_const_1): Likewise.
21027 (clear_const_double_mem): Don't treat nested functions specially.
21028 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21029 (save_varasm_status, restore_varasm_status): Delete functions.
21030 (init_varasm_status): New function.
21031 (force_const_mem): Don't treat nested functions specially.
21032 (find_pool_constant): Accept new arg F, search for constants in
21033 that function's pool rather than the current one. All callers
21035 (get_pool_constant_for_function, get_pool_mode_for_function): New
21038 * i386.c (init_386_machine_status): New function, mostly from
21039 clear_386_stack_locals.
21040 (struct machine_functions): Rename element names to avoid name
21042 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21043 macros, replacing global variables.
21044 (clear_386_stack_locals, save_386_machine_status,
21045 restore_386_machine_status): Delete functions.
21046 (override_options): Initialize init_machine_status.
21047 * i386.h (INIT_EXPANDERS): Delete macro.
21048 (save_386_machine_status, restore_386_machine_status,
21049 clear_386_stack_locals): Delete declarations.
21051 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21053 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21054 (doloop_begin): Simplify pattern and use emit_jump_insn.
21055 (doloop_end): Simplify pattern, switch operand order,
21056 and use emit_jump_insn.
21058 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21060 * function.h (struct function): Add new element LANGUAGE.
21061 (save_lang_status): Declare new variable.
21062 (restore_lang_status): Likewise.
21063 * function.c (save_lang_status): Define.
21064 (restore_lang_status): Likewise.
21065 (push_function_context_to): Call language-specific save function.
21066 (pop_function_context_from): Call language-specific restore function.
21068 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21070 * i386.md (movsf_1): Check REG_P before use of REGNO.
21071 (movdf_1): Likewise.
21072 (movxf_1): Likewise.
21073 (extendsfdf2): Likewise.
21074 (extendsfxf2): Likewise.
21075 (extenddfxf2): Likewise.
21077 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21079 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21080 constants into memory.
21081 (c4x_shiftable_constant): New function.
21082 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21083 (c4x_shiftable_constant): Declare.
21084 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21085 ashlqi3_noclobber): Add new patterns and associated splitters.
21087 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21089 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21090 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21091 * final.c (shorten_branches): Likewise.
21092 * global.c (global_alloc): Likewise.
21093 * haifa-sched.c (build_control_flow): Likewise.
21094 * stmt.c (check_for_full_enumeration_handling): Likewise.
21095 (estimate_case_costs): Likewise.
21097 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21099 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21101 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21103 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21104 (recompute_reg_usage): Likewise.
21105 * rtlanal.c (find_regno_fusage): Likewise.
21107 * rtl.c (rtl_check_failed_code1): New function.
21108 (rtl_check_failed_code2): New.
21109 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21110 (RTL_CHECKC1, RTL_CHECKC2): New.
21111 (XC*): New accessor macros.
21112 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21113 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21114 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21115 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21116 (TRAP_*, RANGE_INFO_*): Likewise.
21118 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21120 * Makefile.in (tlink.o): Don't depend on toplev.h.
21122 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21123 output_file, nm_file_name, ldd_file_name, strip_file_name,
21124 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21125 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21126 fork_execute, maybe_unlink, add_to_list,
21127 extract_init_priority, write_list, dump_list,
21128 dump_prefix_list, write_list_with_asm, write_c_file,
21129 write_c_file_stat, write_c_file_glob, scan_prog_file,
21130 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21131 ignore_library, extract_string, notice, dump_file, target_machine,
21132 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21133 read_file, print_load_command): Constify a char*.
21134 (fdopen, error, fatal, fatal_perror): Don't prototype.
21135 (my_strerror): Remove. All callers use xstrerror instead.
21136 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21137 (main): Add prototype. Constify lots of char* ptrs. Change calls
21138 to xcalloc/strcpy/strcat/... to one call to concat.
21139 (main, scan_prog_file, scan_libraries): Use an intermediate
21140 `const char **' to build an argv array.
21141 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21143 * collect2.h (collect_execute, collect_wait, dump_file,
21144 file_exists): Constify a char*.
21145 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21146 temporary_firstobj, vflag, debug): Add extern declarations.
21147 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21149 * tlink.c: Don't include toplev.h.
21150 (vflag, debug, ldout, c_file_name, temporary_obstack,
21151 permanent_obstack, temporary_firstobj): Don't declare.
21152 (tlink_execute, frob_extension, symbol_hash_lookup,
21153 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21154 recompile_files, read_repo_files, demangle_new_symbols,
21155 scan_linker_output): Constify a char*.
21156 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21157 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21159 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21161 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21162 (relative) rather than jsr (absolute) subroutine call insns.
21163 * config/m68k/m68k-coff.h: Ditto.
21165 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21167 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21168 now rework these too.
21169 (arm_reorg): If an insn can't reach the end of the current pool,
21170 ensure that we emit that pool before the insn.
21172 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21174 * tlink.c (scan_linker_output): Skip the initial underscore in
21175 a mangled name if appropriate.
21177 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21179 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21180 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21181 error_with_ivar, gen_declarator, create_builtin_decl,
21182 my_build_string, generate_descriptor_table, generate_ivars_list,
21183 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21184 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21185 dump_base_name, lang_decode_option, build_encode_expr,
21186 start_class, finish_class, encode_pointer, really_start_method,
21187 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21189 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21190 Add static prototypes.
21191 (build_objc_string_decl, build_selector_reference_decl,
21192 encode_bitfield, build_class_reference_decl): Remove unused
21193 parameter, all callers changed.
21194 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21195 (objc_printable_name): Likewise. Change second parameter to type int.
21196 (init_objc): Use memcpy, not bcopy, to avoid casts.
21198 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21200 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21201 reg notes on a deleted insn.
21202 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21204 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21206 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21208 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21210 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21213 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21215 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21216 * tm.texi (MD_ASM_CLOBBERS): Document it.
21218 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21220 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21221 * except.c (expand_rethrow): Remove unused variable.
21222 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21223 * flow.c (replace_insns): Likewise.
21224 (create_edge_list, verify_edge_list): Likewise.
21225 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21227 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21228 is special code to run.
21229 (main): Don't define operands to emit_operand.
21230 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21232 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21234 * alpha/alpha.h (normal_memory_operand): Declare.
21235 (reg_no_subreg_operand): Declare.
21236 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21238 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21240 * c-parse.in (compstmt_primary_start): New, broken out of first
21241 part of compstmt handling in primary.
21242 (primary): Use it. Add an error clause.
21243 (compstmt_nostart): Renamed from compstmt; remove all
21244 initial invocations of compstmt_start.
21247 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21249 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21252 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21254 * combine.c (simplify_shift_const): Remove extra semicolon.
21255 * dwarf2out.c (remove_AT): Likewise.
21256 * expmed.c (expand_mult): Likewise.
21257 * gcov.c (create_program_flow_graph): Likewise.
21258 * reorg.c (mostly_true_jump): Likewise.
21260 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21262 * fold-const.c (fold_range_test): Do not try to fold the range
21263 test if the rhs or lhs has side effects.
21265 * combine.c (simplify_rtx): Recognize another case of a synthesized
21268 * varasm.c (mark_constant_pool): When marking indirect references,
21269 only look at SYMBOL_REFs.
21271 * except.c (expand_fixup_region_end): Do not peek at
21272 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21274 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21276 * flags.h: New variables align_loops, align_loops_log,
21277 align_jumps, align_jumps_log, align_labels, align_labels_log,
21278 align_functions, align_functions_log.
21279 * toplev.c: Define them.
21280 (f_options): Handle -falign-* when they have no argument.
21281 (main): Add logic to set variables for -falign-functions,
21282 -falign-jumps, -falign-labels, -falign-loops.
21283 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21284 (display_help): Change help to match options.
21285 * final.c (LABEL_ALIGN): Default to align_labels_log.
21286 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21287 (LOOP_ALIGN): Default to align_loops_log.
21288 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21289 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21290 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21291 * varasm.c (assemble_start_function): Handle align_functions.
21293 * config/sparc/sparc.h: Don't declare sparc_align_*.
21294 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21295 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21297 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21299 * config/sparc/sparc.c: Delete sparc_align_loops,
21300 sparc_align_jumps, sparc_align_funcs and the corresponding string
21302 (sparc_override_options): Default align_functions on ultrasparc.
21303 Delete -malign-* handling.
21305 * config/mips/mips.c (override_options): On 64-bit targets,
21306 try to align code to 64-bit boundaries.
21307 (print_operand): New substitution, %~,
21308 which aligns labels to align_labels_log.
21309 * config/mips/mips.md (div_trap_normal): Use %~.
21310 (div_trap_mips16): Likewise.
21312 (absdi2): Likewise.
21313 (ffssi2): Likewise.
21314 (ffsdi2): Likewise.
21315 (ashldi3_internal): Likewise.
21316 (ashrdi3_internal): Likewise.
21317 (lshrdi3_internal): Likewise.
21318 (casesi_internal): Likewise.
21320 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21322 Merge new ia32 backend from the branch!
21324 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21325 See ChangeLog.P2 on new_ia32_branch for details.
21327 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21328 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21329 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21330 * i386/gas.h (ASM_FILE_START): Define.
21331 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21332 for name change of ix86_valid_decl_attribute_p.
21333 (i386_pe_valid_type_attribute_p): Similarly.
21335 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21337 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21338 to step through CC modes.
21340 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21342 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21343 it would end up in the shadow of a live flags regsiter.
21345 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21347 * reload1.c: Fix many indentation problems.
21348 * reload.c: Likewise.
21350 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21352 * alias.c (non_local_reference_p): Constify fmt.
21354 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21356 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21358 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21360 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21361 the internal_arg_pointer.
21363 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21365 Merge peephole2 from new_ia32_branch:
21366 * Makefile.in (STAGESTUFF): Add *.peephole2.
21367 (mostlyclean): Likewise.
21368 (recog.o): Depend on resource.h.
21370 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21371 (final_scan_insn): Likewise for the invocation of peephole.
21372 * genconfig.c (main): Look for peephole and peephole2 patterns.
21373 Emit HAVE_peephole* accordingly.
21374 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21375 * flags.h (flag_peephole2): Declare.
21376 * toplev.c: New pass peephole2. New flag -fpeephole2.
21378 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21379 * gencodes.c (main): Likewise.
21380 * genextract.c (main): Likewise.
21381 * genoutput.c (main): Likewise.
21382 * genemit.c (max_operand_1): Look for the max scratch operand.
21383 (gen_rtx_scratch): New.
21384 (gen_exp): Use it, and pass on new arg subroutine_type.
21385 (gen_expand): Take max scratch into account.
21386 (gen_split): Emit peephole2 functions.
21387 (output_peephole2_scratch): New.
21388 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21389 * genrecog.c (routine_type): Add PEEPHOLE2.
21391 (make_insn_sequence): Match outer parallel for peep2. Discard
21392 top level scratches and dups.
21393 (add_to_sequence): New args insn_type and top. Update all callers.
21394 Handle toplevel peep2 matching insns.
21395 (write_subroutine): Handle peep2.
21396 (write_tree_1): Likewise.
21397 (write_tree): Likewise.
21399 (change_state): New arg afterward. Update all callers.
21400 Handle matching separate insns.
21401 * recog.c (recog_next_insn): New.
21402 (peephole2_optimize): New.
21403 * rtl.def (DEFINE_PEEPHOLE2): New.
21404 * resource.c (find_free_register): New argument last_insn. Use it
21405 to find a register available through the entire span.
21406 * resource.h (find_free_register): Update prototype.
21408 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21410 * i386.c (output_strlen_unroll): Don't write xops[7]
21411 label if it wasn't set.
21413 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21415 * cpplib.c (struct directive): Const-ify name pointer and
21416 function pointer prototype.
21417 (validate_else, do_define, do_line, do_include, do_undef,
21418 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21419 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21420 do_warning): Const-ify second arg.
21421 (directive_table): Mark const. Reorder entries by frequency
21422 of usage, record statistics.
21424 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21426 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21427 bounds- check RTL accesses if --enable-checking.
21428 (RTVEC_ELT): Bounds check if --enable-checking.
21429 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21430 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21431 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21433 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21434 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21436 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21437 (NOTE_SOURCE_FILE): Use X0STR.
21438 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21439 MEM_ALIAS_SET): Use X0INT.
21440 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21441 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21443 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21444 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21445 (rtl_check_failed_bounds, rtl_check_failed_type1,
21446 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21448 (fancy_abort): Fix comment.
21450 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21451 (cse_insn): Decrement LABEL_NUSES for jump target before
21452 deleting jump insn.
21453 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21454 * final.c (alter_subreg): Compute regno before changing x to
21455 REG; set REGNO(x) after changing it.
21456 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21457 notes containing CONST_INTs.
21458 (delete_eh_regions): Use NOTE_EH_HANDLER.
21459 * function.c (put_reg_into_stack): Make reg a MEM before
21461 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21463 (gen_mem_addressof): Make reg a MEM before initializing it.
21464 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21466 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21467 deleting an insn, not after.
21468 (block_alloc): Only look at PATTERN(insn) if we have to, and
21469 only if it's format class 'i'.
21470 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21471 CONST_INT before using its INTVAL.
21472 * print-rtl.c (print_rtx): Use X0STR.
21473 * regmove.c (fixup_match_1): Don't look at PATTERN of
21474 non-class-'i' insn chain elements.
21475 * reload.c (loc_mentioned_in_p): Take address of
21476 in->fld[1].rtx directly.
21477 * reload1.c (reload): Change reg to a MEM before initializing
21479 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21481 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21483 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21485 * config/mips/mips.c (machine_dependent_reorg): Force a
21486 barrier to output the local constant pool if a barrier hasn't
21487 been found at a natural point in the instruction stream.
21489 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21491 * c-parse.in (language_string): Constify.
21493 * dwarf2out.c (language_string): Remove declaration.
21495 * dwarfout.c (language_string): Likewise.
21497 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21499 * tree.h (language_string, init_parse, finish_parse): Declare.
21501 * i386/sun386.h (language_string): Remove declaration.
21503 * mips.h (language_string): Likewise.
21505 * nextstep.h (language_string): Likewise.
21507 * nextstep21.h (language_string): Likewise.
21509 * rs6000.c (language_string): Likewise.
21511 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21513 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21514 (getpwd.o): Remove target.
21516 * getpwd.c: Delete file. Its in libiberty now.
21518 * dbxout.c (getpwd): Don't prototype.
21519 * dwarf2out.c (getpwd): Likewise
21520 * dwarfout.c (getpwd): Likewise
21521 * final.c (getpwd): Likewise.
21522 * protoize.c (getpwd): Likewise.
21524 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21526 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21528 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21530 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21531 mark_set_resources.
21533 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21535 * fixinc/Makefile.in (subdir): New.
21536 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21539 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21541 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21542 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21545 * invoke.texi: Fix typo.
21547 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21548 changed. Handle autoincrement addressing modes.
21550 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21551 just like we would the virtual incoming args register when
21554 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21556 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21557 path, in .file directive.
21559 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21561 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21564 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21566 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21569 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21571 * tree.c (tree_code_name): Constify a char*.
21573 * tree.h (tree_code_name, decl_printable_name): Likewise.
21575 * function.h (struct function): Likewise.
21577 * toplev.c (decl_name, decl_printable_name): Likewise.
21579 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21581 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21582 (init_objc): Remove function pointer cast.
21584 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21586 * pa.md (interspace_jump): New pattern.
21587 (builtin_longjmp): New expander.
21589 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21591 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21592 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21593 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21595 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21597 * jump.c (delete_prior_computation): Also check calls
21598 to constant functions. Don't bother checking for a
21599 REG_UNUSED note before adding it.
21600 (delete_computation): Handle multi-word hard registers
21601 when synthesizing missing REG_DEAD notes for a register
21602 which is both set and used by an insn.
21604 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21606 * loop.c (this_loop_info): New variable.
21607 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21608 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21610 (prescan_loop, strength_reduce): New argument loop_info. All callers
21612 (scan_loop): New variable loop_info, initialise to address of
21614 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21615 Delete variable loop_has_multiple_exit targets and replace with
21616 field in this_loop_info.
21617 (find_and_verify_loops): Rename this_loop to this_loop_num.
21618 (strength_reduce): Delete loop_iteration_info. Replace variable
21619 loop_info with function argument of same name.
21620 (insert_bct): Rework test for loop being completely unrolled.
21622 * loop.h (struct loop_info): New fields num, loops_enclosed,
21623 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21624 has_indirect_jump, and cont. Redefine use of unroll_number.
21625 (loop_unroll_number): Delete.
21627 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21628 field of loop_info.
21629 (loop_iterations): Delete variable vtop and instead use
21630 loop_info->vtop computed in prescan_loop.
21632 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21634 * fix-header.c (main): Do not pass a null pointer to strcmp.
21636 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21638 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21640 * configure: Rebuilt.
21642 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21644 * jump.c (jump_optimize_1): Do not delete assignments to
21645 internal_arg_pointer.
21646 * cse.c (delete_trivially_dead_insns): Always consider a set of
21647 the internal_arg_pointer live.
21649 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21651 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21652 (update_life_info) [REG_WAS_0]: Search the original insns rather
21653 than the new insns for the note. Fix typos finding note_dest.
21654 If no dest found, discard the note rather than abort.
21655 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21656 (replace_insns): Remove the old insn list after update_life_info
21659 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21661 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21662 sched_analyze_insn.
21663 (sched_analyze_1): Let add_dependence care for not adding dups.
21664 (sched_analyze_2): Likewise.
21665 (add_branch_dependences): Likewise.
21667 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21669 * i386/winnt.c (export_list): New type.
21670 (exports_head): Rename to
21671 (export_head): this.
21672 (i386_pe_record_exported_symbol): Add is_data flag.
21673 (i386_pe_asm_file_end): Emit directive for exported variables.
21674 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21676 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21677 (ASM_DECLARE_OBJECT_NAME): Likewise.
21678 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21679 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21681 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21683 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21685 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21688 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21690 * config/openbsd.h: Define SET_ASM_OP.
21691 * tm.texi: cross-reference SET_ASM_OP in the index.
21693 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21695 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21696 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21697 and class_narrowest_mode at compile time. Kill init_rtl.
21698 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21699 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21700 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21702 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21704 * rtl.h: Declare rtx_length and rtx_format as const.
21705 * machmode.def: Define CC(). Use CC() to define CCmode. If
21706 EXTRA_CC_MODES is defined, expand it here.
21707 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21708 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21709 const. Kill all references to EXTRA_CC_MODES.
21711 * toplev.c: Don't prototype or call init_rtl.
21712 * optabs.c: Don't call init_mov_optab.
21713 * genemit.c: Don't generate init_mov_optab. Don't call
21715 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21717 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21718 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21719 genrecog.c: Don't call init_rtl.
21721 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21722 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21723 definition of EXTRA_CC_MODES.
21725 * md.texi: Kill ref to EXTRA_CC_NAMES.
21726 * tm.texi: Document new way to define EXTRA_CC_MODES.
21728 * genrecog.c: Do not look up the name of a define_split.
21729 (Unrelated bugfix.)
21731 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21733 * config/v850/v850.md: Fix typo introduced by previous delta.
21735 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21737 * gcc.c (fatal): Make definition static to match prototype.
21739 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21741 * combine.c (get_last_value): Don't look for earlier sets if the last
21742 known set is somewhere in between the insns being combined.
21744 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21746 * configure.in: Don't use shell ! to negate exit codes
21747 * configure: Regenerate
21749 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21751 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21752 the fact that ALIGN is measured in bits, not bytes.
21754 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21756 * errors.c: New file; defines functions error, warning, and
21757 fatal, variables have_error and progname.
21758 * errors.h: New file; prototypes and decls for stuff in errors.c.
21760 * Makefile: Add rules to build errors.o and
21761 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21762 genopinit, genrecog, genextract, genpeep, genattr, and
21763 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21764 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21765 genpeep.o, genattr.o, and genoutput.o.
21767 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21768 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21769 define or prototype fatal. Set progname at beginning of main.
21770 * genoutput.c: Likewise, and don't define or prototype error
21773 * c-typeck.c (c_expand_start_case): Return immediately if exp
21775 * fold-const.c (operand_equal_p): Return immediately if arg1
21776 or arg0 are ERROR_MARKs.
21777 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21778 fields of type ERROR_MARK when calculating if the record can
21781 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21782 with much help from Jeffrey A Law and Richard Henderson
21784 * i386.md: In the 6 insns which call output_fix_trunc,
21785 earlyclobber operands[0].
21787 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21789 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21790 creating new registers.
21792 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21794 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21795 i386_reg_alloc_order, i386_regparm_string,
21796 i386_align_loops_string, i386_align_jumps_string,
21797 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21798 and i386_branch_cost_string as type "const char *".
21799 * i386.c: Define all above strings as type "const char *".
21801 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21803 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21804 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21806 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21808 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21809 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21811 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21813 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21814 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21815 (dwarf2out_line, dwarf2out_finish): Likewise.
21816 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21818 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21820 * tree.c (lang_unsave_expr_now) : Correct return type.
21821 * tree.h (lang_unsave_expr_now) : Same.
21823 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21825 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21826 instead of duplicating code.
21828 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21830 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21832 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21834 * tree.h: fancy_abort always takes three args.
21835 * resource.c: Move include of system.h before toplev.h.
21837 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21839 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21842 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21844 * system.h: Don't redefine abort or trim_filename.
21845 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21846 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21847 whether or not __FUNCTION__ is available.
21848 * tree.h: Duplicate rtl.h's definition of abort, for files
21849 that don't include rtl.h. Delete all code to perform type
21850 checking with a compiler other than GCC.
21851 * varray.h: Delete all code to perform type checking with a
21852 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21853 its arguments exactly once, using a statement expression.
21854 Adjust the VARRAY_<type> accessor macros to match.
21855 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21856 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21857 caller's location. Define fatal_insn and fatal_insn_not_found
21858 as macros that use _fatal_insn and _fatal_insn_not_found.
21859 (fancy_abort, trim_filename): Kill prototypes.
21861 * rtl.c (trim_filename): Move here from toplev.c.
21862 (fancy_abort): New function.
21863 (DIR_SEPARATOR): Provide default definition.
21864 * tree.c (tree_check_failed, tree_class_check_failed): Go
21865 through fancy_abort.
21866 (tree_check, tree_class_check, cst_or_constructor_check,
21867 expr_check): Delete.
21868 * varray.c (varray_check_failed): New function.
21869 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21870 _fatal_insn and _fatal_insn_not_found. Go through
21872 (trim_filename, fancy_abort): Delete.
21874 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21875 * except.c (start_catch_handler): Report ICE with error/abort
21877 * final.c (output_operand_lossage): Likewise.
21878 * flow.c (verify_flow_info): Likewise.
21880 * gcc.c: Prototype fatal.
21881 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21882 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21883 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21884 Don't define fancy_abort.
21886 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21888 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21891 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21893 * m88k.h (VERSION_INFO2): Kill.
21894 (VERSION_STRING): Kill.
21896 (VERSION_INFO1): Tidy.
21897 (TARGET_VERSION): Update.
21898 * m88k/dgux.h (VERSION_INFO2): Kill.
21899 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21900 * m88k/luna.h (VERSION_INFO1): Tidy.
21901 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21902 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21903 (output_file_start): Adjust for death of VERSION_STRING.
21905 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21907 * cpplib.c (detect_if_not_defined): New function.
21908 (do_if): Use it to detect potential once-only headers.
21910 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21912 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21914 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21916 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21917 anywere in the function only if they are pseudos and set before
21918 being used (not live at the start of the function).
21919 (num_sign_bit_copies) : Same.
21920 (get_last_value_validate) : Same.
21921 (get_last_value) : Same.
21923 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21925 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21926 where N and M are constant and N is an integer multiple of M.
21928 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21930 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21931 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21932 sbitmap_union_of_preds): Add prototypes.
21933 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21934 the intersection of successors with the new flow graph structures.
21935 (sbitmap_intersection_of_preds): New function to compute the
21936 intersection of predecessors with the new flow graph structures.
21937 (sbitmap_union_of_succs): New function to compute the union of
21938 successors with the new flow graph structures.
21939 (sbitmap_union_of_preds): New function to compute the union of
21940 predecessors with the new flow graph structures.
21941 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21942 (expr_reaches_here_p): Use edge and basic_block structures instead
21943 of s_preds and s_succs.
21944 (compute_cprop_avinout): Use new sbitmap routines.
21945 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21946 of s_preds and s_succs.
21947 * flow.c (compute_flow_dominators): Compute dominators using
21948 edges and basic blocks instead of s_preds and s_succs.
21950 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21952 * lists.c (unused_insn_list, unused_expr_list): New file for
21953 maintaining various types of lists. New statics for maintaining a
21954 cache of available INSN_LIST and EXPR_LIST nodes.
21955 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21956 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21957 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21958 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21959 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21960 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21961 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21962 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21963 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21964 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21965 (remove_dependence, free_pending_lists): Use new global routines.
21966 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21967 (sched_analyze, compute_block_backward_dependences): Use new routines.
21968 (sched_analyze_1, sched_analyze_2): Use new routines.
21969 (schedule_insns): Use new global routines.
21970 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21972 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21973 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21975 * toplev.c (rest_of_compilation): Initialize node cache.
21976 * Makefile.in (OBJS): Add lists.o to list of object files.
21977 (lists.o): Add dependancies.
21979 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21981 * config/v850/v850.md: Fix compile time warning messages.
21982 * config/v850/v850.c: Fix compile time warning messages.
21983 * config/v850/v850.h: Fix compile time warning messages.
21985 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21987 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21988 Remove unused prototype for `init_lengths'.
21990 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21992 * calls.c (emit_call_1): Mark parameter `stack_size' with
21994 (expand_call): Initialize variable `insn'.
21995 (emit_library_call): Likewise for variable `high_to_save'.
21996 (emit_library_call_value): Likewise.
21997 (store_one_arg): Likewise for variables `lower_bound' and
22000 * combine.c (try_combine): Likewise for variables `i2_code_number'
22001 and `other_code_number'.
22002 (find_split_point): Likewise for variables `pos', `unsignedp' and
22004 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22005 (simplify_and_const_int): Remove unused variable `width'.
22006 (merge_outer_ops): Likewise.
22008 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22009 HOST_WIDE_INT' when comparing against one.
22010 (simplify_relational_operation): Likewise.
22011 (cse_insn): Initialize variables `src_eqv_volatile',
22012 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22014 * final.c (init_final): Constify parameter `filename'.
22015 (final_start_function): Mark parameter `optimize' with
22017 (profile_function): Likewise for parameters `first' and `optimize'.
22018 (output_source_line): Likewise for parameter `file'.
22020 * integrate.c (subst_constants): Cast a value to `size_t' when
22021 comparing against one.
22022 (mark_stores): Initialize variable `mode'. Cast a value to
22023 `size_t' when comparing against one.
22025 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22027 * loop.c (move_movables): Initialize variable `first'.
22028 (strength_reduce): Likewise for variable `increment'.
22029 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22030 value to `size_t' when comparing against one.
22031 (load_mems): Initialize variable `end_label'.
22033 * output.h (init_final): Constify parameter.
22035 * reload.c (decompose): Initialize variable `base'.
22037 * reload1.c (reload): Likewise for variable `is_scalar'.
22038 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22039 (choose_reload_regs): Initialize variable `mode'.
22040 (emit_reload_insns): Likewise for variable `store_insn'.
22041 (reload_cse_noop_set_p): Mark parameter `insn' with
22043 (reload_combine): Initialize variable `set'.
22045 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22046 (copy_loop_body): Cast a value to `size_t' when comparing against
22049 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22050 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22051 (remove_from_pending_weak_list): Mark parameter `name' with
22054 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22056 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22059 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22061 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22062 (ASM_DECLARE_FUNCTION_NAME): Define.
22063 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22064 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22065 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22066 not already defined.
22068 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22070 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22071 of n_popped when call/call_value are not defined.
22073 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22075 * tm.texi: GNU CC -> GCC conversion.
22076 (CC1_SPEC): Indicate it is used for all language front ends.
22078 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22080 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22081 NOTE_INSN_EH_REGION_END correctly.
22083 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22084 Jeff Law <law@cygnus.com>
22086 * loop.c (strength_reduce): Automatically unroll loops if the
22087 unrolled loop size is smaller than the rolled loop size.
22089 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22090 and delete comment that code should be rewritten.
22092 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22094 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22097 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22099 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22101 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22102 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22103 (LINK_SPEC): Add -u _main when building executables.
22104 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22105 (ASM_FILE_END): Use the default for ix86-pe.
22106 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22108 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22110 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22111 and ASM_CLOSE_PAREN are empty strings.
22113 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22114 Geoffrey Keating <geoffk@cygnus.com>
22116 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22117 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22118 (unprotoize.o): Ditto.
22119 (test-protoize-simple): Don't define STD_PROTO_DIR.
22120 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22121 changes to make 'test-protoize-simple' pass.
22122 (STD_PROTO_DIR): Remove define.
22123 (STANDARD_EXEC_PREFIX): Supply default define.
22124 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22125 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22126 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22127 (GET_ENV_PATH_LIST): New macro.
22128 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22129 (do_processing): Initialize default_syscalls_dir using new
22130 macros. Use it to initialize syscalls_absolute_filename.
22132 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22134 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22135 B into a register before emit_conditional_move.
22137 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22139 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22140 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22141 multiplicand out of (+ (* a b) (* c d)).
22143 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22144 Richard Henderson <rth@cygnus.com>
22146 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22147 (new_insn_dead_notes): Likewise.
22148 (update_n_sets): Likewise.
22149 (update_flow_info): Move to flow.c, renamed to update_life_info;
22150 extend to handle multiple source insns.
22151 * flow.c: Include resource.h
22152 (unlink_insn_chain): New.
22153 (split_hard_reg_notes): New.
22154 (maybe_add_dead_note): New.
22155 (maybe_add_dead_note_use): New.
22156 (find_insn_with_note): New.
22157 (new_insn_dead_notes): New.
22158 (update_n_sets): New.
22159 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22160 (maybe_remove_dead_notes): New.
22161 (update_life_info): New.
22162 (prepend_reg_notes): New.
22163 (replace_insns): New.
22164 * output.h (update_life_info): Declare.
22165 * recog.c (split_block_insns): Use update_life_info.
22166 * resource.c (find_free_register): Use reg_alloc_order, don't use
22167 fixed regs, make sure the mode is supported, don't use new regs.
22169 * rtl.h (replace_insns): Declare.
22171 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22173 * expr.c (expand_expr): Cope with COND_EXPRs with one
22174 non-returning branch.
22176 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22178 * expr.c (store_expr): Always pass down the target, even when not
22181 1999-08-24 Nick Clifton <nickc@cygnus.com>
22183 * configure.in: Define target_cpu_default for v850 targets.
22184 * configure: Regenerate
22186 * config/v850/v850.h (TARGET_CPU_generic): Define.
22187 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22188 addresses are 4 byte aligned.
22190 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22193 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22195 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22196 (main): Add prototypes.
22198 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22199 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22200 (write_attr_get): Emit prototypes along with function definition.
22201 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22202 (write_complex_function): Emit static prototype along with
22203 function definition.
22205 * genemit.c (gen_split): Emit prototypes along with function
22208 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22209 Likewise for predicates and `insn_operand_predicate'.
22210 (process_template): Emit static prototype along with function
22213 * genrecog.c (make_insn_sequence): Constify a char*. Add
22214 prototypes for get_split_*().
22215 (write_subroutine): Emit prototypes along with function
22218 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22220 * gcse.c (find_avail_set): Follow chains of register-register copies.
22221 Use oprs_not_set_p to guarantee that the returned value can be
22223 (cprop_insn): Don't verify the return value of find_avail_set with
22226 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22227 (cprop_cc0_jump): New function.
22228 (cprop_insn): Break out new function cprop_jump and use it.
22229 Also use cprop_cc0_jump for machines with CC0.
22230 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22232 * tree.h (current_function_calls_setjmp,
22233 current_function_calls_longjmp): Delete declarations.
22234 * dsp16xx.c: Include "function.h".
22235 * elxsi.c: Likewise.
22236 * gmicro.c: Likewise.
22237 * h8300.c: Likewise.
22238 * i370.c: Likewise.
22239 * m32r.c: Likewise.
22240 * mn10200.c: Likewise.
22241 * mn10300.c: Likewise.
22242 * ns32k.c: Likewise.
22243 * spur.c: Likewise.
22244 * v850.c: Likewise.
22246 * rtl.h (rtx_equal_function_value_matters): Declare.
22247 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22249 * function.c: Likewise.
22250 * emit-rtl.c: Likewise.
22252 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22254 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22257 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22259 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22262 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22264 * cpp.texi: Add a node documenting macro varargs (copied
22267 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22269 * cppspec.c: Put a null pointer at the end of the new argv.
22271 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22273 * configure.in: Remove code to select/de-select the haifa
22274 scheduler. Every scheduled port gets haifa now.
22275 * configure: Rebuilt.
22276 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22278 * Makefile.in: Corresponding changes.
22280 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22282 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22283 All callers changed.
22284 (prepare_float_lib_cmp): Likewise.
22285 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22286 * expr.h (emit_float_lib_cmp): Delete declaration.
22287 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22288 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22289 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22291 (cmptf): Now conditional on TARGET_HARD_QUAD.
22293 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22295 * resource.c (mark_target_live_regs): Use
22296 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22298 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22300 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22302 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22304 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22306 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22308 * rtl.h (rtx_format): Constify a char*.
22310 * rtl.c (rtx_format): Likewise.
22311 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22312 (init_rtl): Use accessor macro, not `rtx_format'.
22314 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22317 * caller-save.c (mark_referenced_regs): Likewise.
22319 * combine.c (subst, make_compound_operation, known_cond,
22320 gen_rtx_combine, update_table_tick, get_last_value_validate,
22321 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22323 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22324 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22325 count_reg_usage): Likewise.
22327 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22330 * final.c (leaf_renumber_regs_insn): Likewise.
22332 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22333 dump_edge_info, count_reg_references): Likewise.
22335 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22336 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22339 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22340 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22341 add_label_notes): Likewise.
22343 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22344 clear_struct_flag, count_sub_rtxs, count_alternatives,
22345 compares_alternatives_p, contained_in_p, walk_attr_value,
22346 write_expr_attr_cache): Likewise.
22348 * genconfig.c (walk_insn_part): Likewise.
22350 * genemit.c (max_operand_1, gen_exp): Likewise.
22352 * genextract.c (walk_rtx): Likewise.
22354 * genflags.c (num_operands): Likewise.
22356 * genoutput.c (scan_operands): Likewise.
22358 * genpeep.c (match_rtx): Likewise.
22360 * genrecog.c (add_to_sequence): Likewise.
22362 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22365 * integrate.c (save_constants, copy_for_inline,
22366 copy_rtx_and_substitute, subst_constants, restore_constants):
22369 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22370 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22372 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22375 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22376 add_label_notes, replace_call_address, count_nonfixed_reads,
22377 invariant_p, find_single_use_in_loop, find_mem_givs,
22378 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22381 * print-rtl.c (reg_names, print_rtx): Likewise.
22383 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22385 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22386 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22387 print_blocks): Likewise.
22389 * regclass.c (fix_register, record_address_regs,
22390 reg_scan_mark_refs): Likewise.
22392 * regmove.c (stable_but_for_p): Likewise.
22394 * reload.c (loc_mentioned_in_p, operands_match_p,
22395 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22396 copy_replacements, refers_to_regno_for_reload_p,
22397 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22398 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22401 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22402 delete_address_reloads_1, count_occurrences,
22403 reload_cse_mem_conflict_p, reload_combine_note_use,
22404 add_auto_inc_notes): Likewise.
22406 * resource.c (mark_referenced_resources, mark_set_resources):
22409 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22410 reg_mentioned_p, regs_set_between_p, modified_between_p,
22411 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22412 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22413 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22414 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22416 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22418 * stupid.c (stupid_mark_refs): Likewise.
22420 * unroll.c (remap_split_bivs): Likewise.
22422 * varasm.c (mark_constants): Likewise.
22424 * a29k/a29k.c (uses_local_reg_p): Likewise.
22426 * alpha/alpha.c (summarize_insn): Likewise.
22428 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22429 eliminate_lr2ip): Likewise.
22431 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22433 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22434 reg_mentioned_in_mem): Likewise.
22436 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22437 symbolic_reference_mentioned_p): Likewise.
22439 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22441 * sh/sh.c (regs_used, mark_use): Likewise.
22443 * vax/vax.c (vax_rtx_cost): Likewise.
22445 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22447 * machmode.h (mode_name): Constify a char*.
22449 * rtl.c (mode_name): Likewise.
22451 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22453 * optabs.c (init_libfuncs): Constify a char*.
22455 * print-tree.c (mode_name): Remove redundant declaration.
22456 (print_node): Use accessor macro, not `mode_name'.
22458 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22460 (new_spill_reg): Constify a char*.
22462 * tree.c (mode_name): Remove redundant declaration.
22464 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22466 * rtl.c (rtx_name): Constify a char*.
22468 * rtl.h (rtx_name, fix_sched_param): Likewise.
22470 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22471 (mypr): Use accessor macro, not `rtx_name'.
22473 * genemit.c (print_code): Constify a char*.
22475 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22477 * genpeep.c (print_code): Constify a char*.
22479 * genrecog.c (print_code): Likewise.
22481 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22482 end_bb): Add static prototype.
22483 (draw_edge): Constify a char*.
22484 (end_bb): Remove unused parameter.
22486 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22487 print_block_visualization): Constify a char*.
22489 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22491 * c-common.c (c_get_alias_set): Update comment.
22493 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22495 * linux.h (LIB_SPEC): Added.
22497 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22499 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22501 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22503 * tree.c (expr_check): Fix typo in last change.
22505 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22507 * rtl.def (NOTE): Change format to "iuu0n".
22508 (ADDR_DIFF_VEC): Change format to "eEee0".
22509 (ADDRESSOF): Change format to "eit".
22511 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22512 (RTVEC_ELT): Change to match.
22513 (XVECEXP): Use XVEC and RTVEC_ELT.
22514 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22515 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22516 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22517 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22518 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22519 (INTVAL): Use XWINT.
22520 (ADDRESSOF_DECL): Use XTREE.
22521 (SET_ADDRESSOF_DECL): Delete.
22522 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22523 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22524 ifdefed out since 2.6 at least.
22525 (gen_rtvec_vv): Delete prototype.
22527 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22529 (copy_most_rtx): Handle 't' format letter.
22530 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22531 (gen_rtvec_vv): Delete function. All callers changed to use
22532 gen_rtvec_v instead.
22533 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22534 the '0' format letter.
22536 * function.c (gen_mem_addressof): Don't use
22537 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22539 * integrate.c (copy_rtx_and_substitute): Likewise.
22540 Copy 't' slots with XTREE.
22541 (subst_constants): Treat 't' slots like '[swi]' slots.
22542 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22543 * jump.c (rtx_equal_for_thread_p): Likewise.
22544 * rtlanal.c (rtx_equal_p): Likewise.
22545 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22546 only four arguments.
22547 * gengenrtl.c (type_from_format): Provide correct types for
22551 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22552 If a recent gcc is in use (always in stage2 and beyond), use
22553 statement expressions, so we don't make a function call unless
22554 the check fails. Evaluate arguments exactly once.
22555 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22556 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22558 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22559 they evaluate their arguments exactly once, irrespective of
22560 the compiler in use.
22562 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22563 is used by the currently-enabled check macros. This is:
22564 (tree_check_failed, tree_class_check_failed): For gcc.
22565 (tree_check, tree_class_check, cst_or_constructor_check,
22566 expr_check): For other compilers.
22568 * gencheck.c: Do not define any *_CHECK1 macros.
22570 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22571 Mark Mitchell <mark@codesourcery.com>
22573 * c-common.c (c_get_alias_set): Fix support for poitners and
22576 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22578 * alias.c: Include tree.h.
22579 (nonlocal_reference_p, mark_constant_function): New functions.
22580 * flow.c (life_analysis): Call mark_constant_function.
22581 * rtl.h (mark_constant_function): Declare it.
22583 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22585 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22586 unrecognisable switches.
22588 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22590 * loop.c (recombine_givs): Set ix field after sorting.
22591 (recombine_givs): Remove bogus index / giv lockstep looping.
22593 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22595 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22597 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22598 (do_cmp_and_jump): Formatting fixes.
22599 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22600 do_compare_rtx_and_jump instead of compare_from_rtx.
22601 (do_compare_rtx_and_jump): New function; mostly copied from
22603 (do_jump_for_compare): Delete.
22604 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22606 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22607 of compare/do_jump_for_compare pairs.
22608 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22609 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22610 compare_from_rtx/do_jump_for_compare pairs.
22611 (do_jump_by_parts_equality): Likewise.
22612 (do_jump_by_parts_equality_rtx): Likewise.
22613 * expr.h (do_compare_rtx_and_jump): Declare.
22614 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22615 that used to be in emit_cmp_insn.
22616 (cmp_available_p): New function.
22617 (prepare_operand): New function.
22618 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22619 to be in emit_cmp_insn.
22620 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22621 parameters to be pointers; don't emit final compare but modify some of
22622 the values pointed to by the args so the caller can perform the
22623 correct comparison.
22624 (expand_binop): Call emit_store_flag_force with signed forms of
22626 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22627 emit_jump_insn pair.
22628 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22629 emit_cmp_and_jump_insn_1. Call emit_queue.
22630 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22632 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22633 jump sets cc0 before deleting it.
22634 * integrate.c (expand_inline_function): Likewise.
22635 * unroll.c (unroll_loop): Similar changes in several places.
22636 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22637 before deleting it.
22639 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22641 * Makefile.in (insn-recog.o): Update dependencies.
22642 * genrecog.c (main): Make generated file include "function.h".
22644 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22646 * cse.c (cse_insn): Call never_reached_warning when a jump is
22647 changed to be unconditional.
22648 * flags.h: Declare warn_notreached.
22649 * flow.c (delete_block): Call never_reached_warning when
22650 a block is deleted.
22651 * jump.c (delete_barrier_successors): Call never_reached_warning
22652 when we delete everything after a BARRIER.
22653 (never_reached_warning): New function.
22654 * rtl.h: Declare never_reached_warning.
22655 * toplev.c (warn_notreached): New variable.
22656 (lang_independent_options): Set warn_notreached
22657 when -Wunreachable-code.
22658 (compile_file): We need line numbers for -Wunreachable-code.
22660 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22662 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22663 * sched.c (insn_unit): Likewise.
22665 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22667 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22669 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22671 * flow.c (create_edge_list): Use xmalloc, not malloc.
22673 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22675 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22676 C-style comments. Do not lose the character before double slash.
22678 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22680 * basic-block.h (struct edge_list): Stucture to maintain a vector
22682 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22683 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22684 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22685 New function prototypes.
22686 * flow.c (create_edge_list): Function to create an edge list.
22687 (free_edge_list): Discards memory used by an edge list.
22688 (print_edge_list): Debug output showing an edge list.
22689 (verify_edge_list): Internal consistency check for an edge list.
22690 (find_edge_index): Function to find an edge index for a pred and succ.
22692 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22694 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22697 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22699 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22701 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22703 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22705 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22707 * toplev.c (rest_of_compilation): Allow machine dependent
22708 reorganisation pass to place information into the RTL dump
22709 file if it so wishes.
22711 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22713 * explow.c (hard_function_value): Use VOIDmode instead of
22715 * stmt.c (expand_return): Likewise.
22716 * stor-layout.c (get_best_mode): Likewise.
22718 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22719 emit call instead of emit_insn call.
22721 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22723 * configure.in: Handle --disable/enable-win32-registry.
22724 * install.texi: Document --disable/enable-win32-registry.
22725 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22726 (WIN32_REGISTRY_KEY): New macro.
22727 * prefix.c: Use to enable/disable win32-specific code.
22728 (lookup_key): Use versioned key.
22729 * configure: Regenerate.
22730 * config.in: Likewise.
22732 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22734 * cpplib.c (read_line_number): New fn, split out of...
22737 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22739 tree.c (lang_unsave_expr_now) : New.
22740 (unsave_expr_now): Call lang_unsave_expr_now.
22741 tree.h (lang_unsave_expr_now) : New.
22743 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22745 * toplev.c (flag_new_exceptions): On by default.
22747 1999-08-13 Michael Meissner <meissner@cygnus.com>
22749 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22751 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22753 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22754 INTEGER_TYPE with precision==1, it's __java_boolean.
22756 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22758 * global.c (prune_preferences): Move some invariants out of the
22761 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22763 * configure.in (alpha*-dec-osf*): Add osf5.
22765 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22767 * configure.in: Rework handling of ARM GNU/Linux slightly.
22768 (arm*-*-linux-gnuoldld): New target.
22769 * configure: Regenerate.
22770 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22771 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22772 * config/arm/linux-oldld.h: New file.
22773 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22774 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22776 * config/arm/linux-elf.h (ASM_SPEC): Define.
22777 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22778 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22779 for 26-bit APCS and old linker.
22780 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22782 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22783 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22784 don't define `arm' or `arm_elf'.
22785 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22786 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22788 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22790 * rtl.texi: Fix typo.
22792 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22794 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22796 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22798 * extend.texi (C++ Signatures): Remove node.
22799 * invoke.texi: Remove discussion of -fhandle-signatures,
22800 signature, sigof, __signature__, and __sigof__.
22802 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22804 * Makefile.in (JAVAGC): Removed.
22806 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22808 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22810 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22812 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22814 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22816 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22817 a register that is already known to be a pointer.
22819 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22821 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22822 * fixinc/inclhack.sh: Regenerated.
22823 * fixinc/fixincl.sh: Regenerated.
22825 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22827 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22828 Fix documentation of -ansi flag to describe its C++ behavior.
22829 Remove bogus reference to GCC 2.9.
22831 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22833 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22834 note if it is non-NULL.
22836 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22838 * except.h (eh_nesting_info): Add new structure defintion.
22839 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22840 (reachable_handlers, update_rethrow_references): Add function
22842 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22843 a rethrow symbol instead of an integer exception region number.
22844 * flow.c (Make_edges): Use new exception nesting routines to determine
22845 which handlers are reachable from a CALL or asynchronous insn.
22846 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22848 (delete_eh_regions): Update rethrow labels, and don't delete
22849 regions which are the target of a rethrow.
22850 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22851 avoid overloading the SYMBOL_REF_USED flag.
22852 (rethrow_symbol_map): Use new rethrow_ref field.
22853 (rethrow_used): Use new rethrow_ref field.
22854 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22855 of an integer. Fix formatting.
22856 (output_exception_table_entry): Use new rethrow_ref field.
22857 (can_throw): Check for EH_REGION_NOTE before deciding
22858 whether a CALL can throw or not.
22859 (scan_region): Call rethrow_used() instead of accessing data structure.
22860 (update_rethrow_references): New function to make sure only regions
22861 which are still targets of a rethrow are flagged as such.
22862 (process_nestinfo): New static function to initialize a handler
22863 list for a specific region.
22864 (init_eh_nesting_info): New function to allocate and initialize
22865 the list of all EH handlers reachable from all regions.
22866 (reachable_handlers): New function to retrieve the list of handlers
22867 reachable from a specific region and insn.
22868 (free_eh_nesting_info): New function to dispose of a list of
22869 reachable handlers.
22871 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22873 * flow.c (split_edge): Set JUMP_LABEL field.
22874 (commit_one_edge_insertion): Set head correctly for insert_before.
22875 When inserting insns, update insn block numbers if allocated.
22877 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22879 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22880 retry_incomplete_types): Add static prototype.
22881 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22882 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22883 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22884 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22885 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22888 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22889 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22891 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22893 * output.h (assemble_name): Constify a char*.
22895 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22896 assemble_variable, assemble_name): Likewise.
22898 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22900 * arm/pe.c (arm_pe_unique_section): Likewise.
22902 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22904 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22906 * i386/interix.c (i386_pe_unique_section): Likewise.
22908 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22910 * i386/winnt.c (i386_pe_unique_section): Likewise.
22912 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22914 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22916 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22918 * pa/pa.c (output_call): Likewise.
22920 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22922 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22924 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22927 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22930 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22932 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22933 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22935 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22937 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22939 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22941 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22943 * tree.h (lang_identify): Constify a char*.
22944 (print_error_function): Add extern prototype. Constify a char*.
22946 * c-lang.c (lang_identify): Constify a char*.
22948 * objc/objc-act.c (lang_identify): Constify a char*.
22950 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22952 * genpeep.c (main): Make generated file include "function.h".
22953 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22955 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22957 * Makefile.in: Update dependencies.
22958 * alias.c: Include "function.h"
22959 * c-decl.c: Likewise.
22960 * caller-save.c: Likewise.
22961 * calls.c: Likewise.
22962 * combine.c: Likewise.
22964 * explow.c: Likewise.
22965 * final.c: Likewise.
22966 * global.c: Likewise.
22967 * graph.c: Likewise.
22968 * local-alloc.c: Likewise.
22969 * loop.c: Likewise.
22970 * optabs.c: Likewise.
22971 * profile.c: Likewise.
22972 * recog.c: Likewise.
22973 * regclass.c: Likewise.
22974 * regmove.c: Likewise.
22975 * reload.c: Likewise.
22976 * reorg.c: Likewise.
22977 * resource.c: Likewise.
22978 * sched.c: Likewise.
22979 * stupid.c: Likewise.
22980 * config/1750a/1750a.c: Likewise.
22981 * config/a29k/a29k.c: Likewise.
22982 * config/arc/arc.c: Likewise.
22983 * config/arm/arm.c: Likewise.
22984 * config/arm/thumb.c: Likewise.
22985 * config/c4x/c4x.c: Likewise.
22986 * config/clipper/clipper.c: Likewise.
22987 * config/convex/convex.c: Likewise.
22988 * config/fx80/fx80.c: Likewise.
22989 * config/i860/i860.c: Likewise.
22990 * config/m68k/m68k.c: Likewise.
22991 * config/m88k/m88k.c: Likewise.
22992 * config/mips/mips.c: Likewise.
22993 * config/pdp11/pdp11.c: Likewise.
22994 * config/pyr/pyr.c: Likewise.
22995 * config/romp/romp.c: Likewise.
22996 * config/sh/sh.c: Likewise.
22997 * config/tahoe/tahoe.c: Likewise.
22998 * config/vax/vax.c: Likewise.
22999 * config/we32k/we32k.c: Likewise.
23000 * config/sparc/sparc.c: Include "function.h".
23001 (mem_min_alignment): Test current_function rather than
23002 regno_pointer_align.
23003 * config/pa/pa.c: Likewise.
23004 (compute_frame_size): Delete declaration of
23005 current_function_outgoing_args_size.
23006 * config/arc/arc.h (current_function_varargs): Delete declaration.
23007 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23009 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23011 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23012 current_function_uses_pic_offset_table.
23013 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23014 of current_function_returns_pointer.
23015 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23016 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23017 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23018 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23019 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23020 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23021 * config/m88k/m88k.c: Include "function.h"
23022 (call_used_regs, current_function_pretend_args_size,
23023 current_function_outgoing_args_size, frame_pointer_needed): Delete
23025 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23027 * config/mips/mips.h (current_function_calls_alloca): Delete
23029 * config/mn10200/mn10200.h (current_function_needs_context,
23030 rtx_equal_function_value_matters): Delete declarations.
23031 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23032 flag_pic): Delete declarations.
23033 * config/pa/pa.h (current_function_pretend_args_size,
23034 current_function_decl): Delete declarations.
23035 * config/pa/som.h (current_function_varargs): Delete declaration.
23036 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23038 * config/pyr/pyr.h (current_function_pretend_args_size,
23039 current_function_args_size, current_function_calls_alloca): Delete
23041 * config/sh/sh.h (current_function_varargs): Delete declaration.
23042 * config/sparc/sparc.h (current_function_outgoing_args_size,
23043 current_function_calls_alloca, current_function_decl): Delete
23045 * config/spur/spur.h (current_function_pretend_args_size,
23046 current_function_calls_alloca): Delete declarations.
23047 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23049 * config/vax/vms.h (current_function_name): Delete declaration.
23050 * gcse.c: Include "function.h".
23051 (current_function_name, current_function_calls_setjmp): Delete
23053 * haifa-sched.c: Include "function.h".
23054 (forced_labels): Delete declaration.
23055 * jump.c: Likewise.
23056 * reg-stack.c: Likewise.
23057 * reload1.c: Likewise.
23058 * genemit.c (main): Make generated file include function.h.
23059 * genoutput.c (output_prologue): Likewise.
23061 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23062 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23063 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23064 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23065 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23066 macros for some of them.
23067 (emit_filename, emit_lineno): Delete declarations.
23068 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23069 regno_pointer_* variables through current_function.
23070 (gen_inline_header_rtx): Delete function.
23071 (save_emit_status): Delete function.
23072 (set_new_last_label_num): New function.
23073 (clear_emit_caches): New function.
23074 (restore_emit_status): Just clear last_labelnum and call
23076 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23077 through macro seq_stack.
23078 (add_insn_after): Likewise.
23079 (add_insn_before): Likewise.
23080 (remove_insn): Likewise.
23081 (pop_topmost_sequence): Likewise.
23082 (in_sequence_p): Likewise.
23083 (start_sequence_for_rtl_expr): Likewise.
23084 (start_sequence): Likewise, and likewise for
23085 sequence_rtl_expr/seq_rtl_expr.
23086 (push_topmost_sequence): Likewise.
23087 (end_sequence): Likewise.
23088 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23089 All callers changed. Store into that pointer instead of globals.
23090 (init_emit): Allocate emit elt of current_function.
23091 Changes for sequence_rtl_expr/sequence_stack renaming.
23092 Call clear_emit_caches instead of doing it in-line.
23093 Access regno_pointer_* variables through current_function.
23094 (init_emit_once) Don't clear sequence_stack.
23096 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23098 (arg_pointer_save_area): Delete declaration.
23099 (finish_expr_for_function): Renamed from init_queue; no longer static.
23100 (init_expr): Don't call init_queue.
23101 (save_expr_status, restore_expr_status): Delete functions.
23102 (expand_expr): Changes to reflect new layout of struct function.
23103 Don't access current_function_check_memory_usage when current_function
23105 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23106 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23107 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23108 current_function_uses_const_pool, function_call_count,
23109 current_function_uses_pic_offset_table, nonlocal_labels,
23110 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23111 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23112 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23114 (finish_expr_for_function): Declare.
23115 * flags.h (current_function_has_nonlocal_label,
23116 current_function_has_nonlocal_goto, current_function_is_thunk,
23117 current_function_has_computed_jump): Delete declarations.
23118 * flow.c (forced_labels): Delete declaration.
23119 * function.c (current_function_pops_args,
23120 current_function_returns_struct, current_function_returns_pcc_struct,
23121 current_function_needs_context, current_function_calls_setjmp,
23122 current_function_calls_longjmp, current_function_has_nonlocal_label,
23123 current_function_has_nonlocal_goto, current_function_is_thunk,
23124 current_function_has_computed_jump, current_function_calls_alloca,
23125 current_function_contains_functions, current_function_returns_pointer,
23126 current_function_epilogue_delay_list, current_function_args_size,
23127 current_function_pretend_args_size, current_function_arg_offset_rtx,
23128 current_function_outgoing_args_size, current_function_varargs,
23129 current_function_stdarg, current_function_args_info, cleanup_label,
23130 current_function_name, current_function_uses_const_pool,
23131 current_function_instrument_entry_exit, current_function_return_rtx,
23132 current_function_uses_pic_offset_table, nonlocal_labels,
23133 current_function_internal_arg_pointer, current_function_cannot_inline,
23134 current_function_check_memory_usage, function_call_count,
23135 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23136 nonlocal_goto_stack_level, return_label, save_expr_regs,
23137 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23138 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23139 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23140 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23141 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23143 (push_function_context_to): Don't save them. Don't call
23144 save_storage_status, save_emit_status or save_expr_status.
23145 (pop_function_context_from): Don't restore them. Don't call
23146 restore_storage_status or restore_expr_status.
23147 (get_func_frame_size): New function.
23148 (get_frame_size): Use it.
23149 (assign_outer_stack_local): Reflect some member name changes in struct
23151 (put_reg_into_stack): Likewise.
23152 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23154 (fixup_var_refs): Likewise.
23155 (fix_lexical_addr): Likewise.
23156 (trampoline_address): Likewise.
23157 (prepare_function_start): Clear field inlinable of current_function.
23158 (init_function_for_compilation): New function.
23159 (expand_dummy_function_end): New function.
23160 (expand_function_end): Call finish_expr_for_function.
23161 * function.h (struct emit_status): New; fields moved here from struct
23162 function and from global variables. Add accessor macros for some of
23164 (struct expr_status): Likewise.
23165 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23166 (struct function): Add fields expr and emit, inlinable, inl_emit,
23167 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23168 inl_max_label_num. Add many comments.
23169 Add accessor macros for all elts of struct function that no longer
23170 have a global variable.
23171 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23172 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23173 stack_slot_list): Delete declarations.
23174 (get_func_frame_size): Declare.
23175 (save_expr_status, restore_expr_status, save_emit_status,
23176 save_storage_status, restore_storage_status): Delete declarations.
23177 (init_virtual_regs): Declare.
23178 * output.h (current_function_pops_args,
23179 current_function_returns_struct, current_function_returns_pcc_struct,
23180 current_function_needs_context, current_function_calls_setjmp,
23181 current_function_calls_longjmp, current_function_calls_alloca,
23182 current_function_has_nonlocal_label, current_function_varargs,
23183 current_function_has_computed_jump, current_function_returns_pointer,
23184 current_function_contains_functions, current_function_args_size,
23185 current_function_pretend_args_size, current_function_stdarg,
23186 current_function_outgoing_args_size, current_function_args_info,
23187 current_function_name, current_function_return_rtx,
23188 current_function_epilogue_delay_list,
23189 current_function_uses_const_pool, current_function_cannot_inline):
23190 Delete declarations.
23191 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23192 regno_reg_rtx): Delete declaration.
23193 (REGNO_POINTER_FLAG): Delete macro.
23194 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23195 function were renamed.
23196 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23198 * toplev.c: Include "function.h".
23199 (current_function_decl): Delete declaration.
23200 (compile_file): Call init_dummy_function_start and
23201 expand_dummy_function_end around some initializations that need to
23203 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23204 Call init_function_for_compilation.
23205 * unroll.c: Include "function.h"
23206 (unroll_loop): Access regno_pointer_* variables through
23209 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23210 (DECL_SAVED_INSNS): use it.
23211 (expand_dummy_function_end): Declare.
23212 (init_function_for_compilation): Declare.
23213 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23214 that it's no longer an INLINE_HEADER.
23215 (expand_call): Likewise.
23216 * integrate.c (finish_inline): Delete function.
23217 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23218 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23219 args. Don't generate an INLINE_HEADER rtx, just return the arg
23220 vector. All callers changed.
23221 (save_for_inline_copying): Create a duplicate struct emit_status to
23222 hold the emit state for compiling the current function. Use this and
23223 the other new fields in struct function that are for integration
23224 instead of an INLINE_HEADER.
23225 Use memcpy instead of bcopy.
23226 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23227 (save_for_inline_nocopy): Similar changes, except no new emit_status
23229 (expand_inline_function): Get information from function structure,
23230 not from an inline header rtx.
23231 (output_inline_function): Lose code to extract the necessary
23232 information from an inline header; simply put back the function
23233 structure into current_function. Clear its inlinable elt.
23234 * rtl.def (INLINE_HEADER): Delete.
23235 * rtl.h: Delete all accessors for an INLINE_HEADER.
23236 (gen_inline_header_rtx): Delete declaration.
23237 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23238 Delete declarations.
23239 (REGNO_POINTER_ALIGN): Delete.
23240 (clear_emit_caches): Declare.
23241 (set_new_last_label_num): Declare.
23243 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23245 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23247 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23248 * stmt.c (is_eh_region): Make sure current_function is present, too.
23250 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23252 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23253 for 64bit PA targets.
23255 * pa.h (SELECT_SECTION): Define.
23256 * som.h (SELECT_SECTION): Delete.
23258 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23260 * alias.c (init_alias_analysis): Wrap call to
23261 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23263 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23265 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23266 <sys/asm.h> contains an asm comment with an apostrophe
23267 * fixinc/inclhack.sh: regen
23268 * fixinc/fixincl.x: regen
23270 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23272 * function.c (init_function_start): Clear prologue & epilogue.
23273 (prologue_epilogue_contains): New function.
23274 * alias.c (init_alias_analysis): Use it.
23275 * rtl.h (prologue_epilogue_contains): Declare it.
23277 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23279 * jump.c (onlyjump_p): New function.
23280 * rtl.h: Declare it.
23281 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23282 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23284 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23286 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23287 to invert loops. Simplify block scanning.
23289 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23291 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23292 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23294 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23296 * config/sparc/liteelf.h: New file to support sparclite-elf target
23297 * config/sparc/t-sp86x: New file to support sparc86x targets
23298 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23299 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23300 * configure.in: Support above target triplets
23301 * configure: Regenerated
23303 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23305 * fixinc/server.c (server_setup): Do not prefix function used as
23306 parameter with `&'.
23308 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23310 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23311 Remove fp reg alternatives.
23313 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23315 * Makefiin (TAROUTOPTS): Kill.
23316 (install-headers-tar): Use "xpf" for tar headerfile extraction
23317 * i370/x-oe (TAROUTOPTS): Delete.
23318 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23319 * m68k/x-hp320 (TAROUTOPTS): Delete.
23320 * m68k/x-hp320g (TAROUTOPTS): Delete.
23321 * gcc.texi: Update bug reporting text.
23323 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23325 * reg-stack.c (change_stack) Fixed problem with negative array index.
23327 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23329 * extend.texi, install.texi: Fix spelling mistakes.
23331 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23332 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23333 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23334 PREMADE_ATTRTAB_MD.
23335 * mips/t-ecoff: Likewise.
23336 * mips/t-elf: Likewise.
23337 * mips/t-mips: Likewise.
23338 * mips/t-osfrose: Likewise.
23339 * mips/t-r3900: Likewise.
23340 * mips/t-svr3: Likewise.
23341 * mips/t-svr4: Likewise.
23342 * mips/t-ultrix: Likewise.
23344 * gcc.texi: Document recommend means to provide software floating
23345 point libraries in libgcc.a
23347 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23349 * c-lex.c (yylex): We can have a number with no digits.
23351 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23353 * jump.c (delete_prior_computation): New function, broken
23354 out of delete_computation. Check for side effects with
23355 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23356 multi-word hard registers.
23357 (delete_computation): Use it. Check for side effects with
23358 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23359 missing REG_DEAD note for a register which is both set and
23362 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23364 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23365 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23366 (ASM_FILE_START): Import _mcount with the right type.
23367 (ASM_DECLARE_FUNCTION_NAME): Define.
23368 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23369 * pa.c (output_function_prologue): Always emit the function's label
23371 * pa.h (TEXT_SPACE_P): Define.
23372 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23373 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23374 * som.h (TEXT_SPACE_P): Delete.
23375 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23376 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23378 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23380 * expr.c (emit_group_load): Allow src to be a CONCAT.
23382 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23384 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23385 (___mulsi3): Use '!' comment character.
23387 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23389 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23391 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23393 * gcc.c: Update URLs and mail addresses.
23394 * gcc.texi: Likewise.
23396 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23398 * rs6000.c (current_file_function_operand): Return zero for
23400 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23402 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23405 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23407 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23408 allocate space in the stack frame for the PIC register.
23410 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23412 * m68k.md (xordi3, anddi3): These patterns are not available on
23415 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23417 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23418 (PUT_REAL): Likewise.
23420 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23422 * final.c (shorten_branches): Don't add an alignment for loops
23423 that have no label inside.
23425 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23427 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23428 prototypes in macro HAVE_cmpstrsi.
23430 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23432 * emit-rtl.c (operand_subword): Remove unused variable
23435 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23437 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23439 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23441 * cpphash.c (macroexpand): Delete leading whitespace when arg
23442 is concatenated before.
23443 (unsafe_chars): Correct test for whether + and - can extend a
23446 * cppinit.c (cpp_start_read): Do dependencies for
23447 -include/-imacros files also.
23449 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23450 tokenizing non-directive lines.
23451 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23452 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23455 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23457 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23459 * c-lex.c: Sync with C++ frontend.
23460 (linemode): New variable.
23461 (parse_float): imag, conversion_errno, and type are output only.
23462 (yylex): Adjust. Move initial '.' case into main switch.
23464 (handle_generic_pragma): Just deal with tokens.
23465 (readescape): Use ISXDIGIT and ISGRAPH.
23466 * c-parse.in: Add END_OF_LINE token.
23468 * c-lex.c (lang_init): Generalize.
23469 (nextchar): Remove. Replace uses with UNGETC.
23470 (skip_white_space): Handle linemode here. Optimize for cpplib.
23471 (skip_white_space_on_line): Remove.
23472 (extend_token_buffer_to): New fn.
23473 (extend_token_buffer): Use it.
23474 (read_line_number, check_newline): Just deal with tokens.
23475 (token_getch, token_put_back): New fns.
23476 (yylex): Use them. More cpplib optimizations. Simplify.
23478 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23479 Jason Merrill <jason@yorick.cygnus.com>
23481 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23482 (consume_string): Make this smart about USE_CPPLIB.
23483 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23484 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23485 Also, clean up cases where we redundantly set token_buffer[0].
23486 (read_line_number): New fn.
23487 (ignore_escape_flag): New variable.
23489 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23491 * a29k/t-a29kbare: Fix some comments.
23492 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23493 (FPBIT, DPBIT): Define.
23494 * a29k/t-vx29k: Likewise.
23495 * arc/t-arc: Likewise.
23496 * arm/t-arm-elf: Likewise.
23497 * arm/t-bare: Likewise.
23498 * arm/t-pe: Likewise.
23499 * arm/t-pe-thumb: Likewise.
23500 * arm/t-semi: Likewise.
23501 * arm/t-thumb: Likewise.
23502 * arm/t-thumb-elf: Likewise.
23503 * arm/t-thumb-linux: Likewise.
23504 * h8300/t-h8300: Likewise.
23505 * i960/t-i960: Likewise.
23506 * i960/t-vxworks960: Likewise.
23507 * m32r/t-m32r: Likewise.
23508 * mips/t-ecoff: Likewise.
23509 * mips/t-elf: Likewise.
23510 * mips/t-r3900: Likewise.
23511 * pa/t-pro: Likewise.
23512 * rs6000/t-aix43: Likewise.
23513 * rs6000/t-beos: Likewise.
23514 * rs6000/t-newas: Likewise.
23515 * rs6000/t-ppccomm: Likewise.
23516 * rs6000/t-rs6000: Likewise.
23517 * rs6000/t-winnt: Likewise.
23518 * rs6000/t-xnewas: Likewise.
23519 * rs6000/t-xrs6000: Likewise.
23520 * sh/t-sh: Likewise.
23521 * sparc/t-elf: Likewise.
23522 * sparc/t-sparcbare: Likewise.
23523 * sparc/t-sparclite: Likewise.
23524 * sparc/t-splet: Likewise.
23525 * v850/t-v850: Likewise.
23526 * mn10200/t-mn10200: Fix comments.
23527 * mn10300/t-mn10300: Likewise.
23529 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23530 dummy operand. Allocate a new pseudo for the dummy operand.
23531 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23533 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23535 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23537 * configure: Rebuilt.
23538 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23540 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23542 * recog.c (preproces_constraints): Zero recog_op_alt before
23543 processing the constraints.
23545 * arm.c (typedef minipool_node): Renamed from pool_node.
23546 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23547 (add_minipool_constant): New function.
23548 (dump_minipool): New function.
23549 (find_barrier): Remove special case for getting the insn size of
23550 an insn that references the constant pool.
23551 (minipool_fixup): New structure.
23552 (push_minipool_barrier): New function.
23553 (push_minipool_fix): New function.
23554 (note_invalid_constants): New function.
23555 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23556 (arm_reorg): Rewrite code to fix up the constant pool into a
23557 series of mini-pools embedded in the insn stream.
23558 (arm_output_epilogue): New function, made mainly from the body
23559 of output_func_epilogue.
23560 (output_func_epilogue): Move insn generation part of epilogue code
23561 to arm_output_epilogue.
23562 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23563 * arm.md (pool_range): New attribute.
23564 (zero_extendqidi2): Add attribute pool_range.
23565 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23566 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23567 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23568 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23569 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23570 (epilogue): New expand.
23571 (epilogue_insn): New insn. Call arm_output_epilogue.
23573 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23574 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23576 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23578 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23580 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23582 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23584 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23586 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23588 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23590 * global.c: Fix comment.
23592 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23594 * gcc.c (access_check): New static function.
23595 (find_a_file): Use it when searching a directory list.
23596 * collect2.c (find_a_file): Don't accept directories found when
23597 searching a directory list.
23599 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23601 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23602 function parameters with `&'.
23603 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23605 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23607 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23608 or tidy_fallthru_edge if the last insn in the block is not
23609 an unconditional jump or a simple conditional jump.
23611 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23613 * Makefile.in (c-decl.o): Depends on defaults.h.
23615 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23617 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23619 (CLASS_MAX_NREGS): Likewise.
23621 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23623 * cse.c (cse_insn): Fix dumb thinko in last change.
23625 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23627 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23630 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23632 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23633 test for sizes of passed and declared parameter types.
23635 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23637 * fixincludes: Fix the return type of bsearch, char* -> void*.
23639 * fixinc/inclhack.def: Likewise.
23641 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23643 * invoke.texi (-fdump-translation-unit): New option.
23645 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23647 * expr.h (PROMOTE_PROTOTYPES): Move ...
23648 * defaults.h: ... to here.
23649 * c-decl.c: Include defaults.h instead of expr.h.
23650 * c-typeck.c: Include defaults.h.
23652 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23654 * toplev.h (errorcount): Declare.
23655 (warningcount): Likewise.
23656 (sorrycount): Likewise.
23657 * c-lex.c (errorcount): Don't declare.
23658 * dwarf2out.c (errorcount): Don't declare.
23660 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23662 * config/libgloss.h: Add a note discouraging use with ELF.
23663 * configure.in: Don't use libgloss.h for ELF targets.
23664 Always use_collect2 on a.out targets.
23666 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23668 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23669 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23671 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23673 * loop.c (strength_reduce): When doing biv->giv conversion, update
23674 reg note of NEXT->insn.
23676 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23678 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23680 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23682 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23683 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23684 Ensure expr.h is included.
23685 * c-typecheck.c (convert_arguments): Ditto.
23687 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23689 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23690 * config/convex/convex.h: Ditto.
23691 * config/dsp16xx/dsp16xx.h: Ditto.
23692 * config/fx80/fx80.h: Ditto.
23693 * config/gmicro/gmicro.h: Ditto.
23694 * config/i370/i370.h: Ditto.
23695 * config/i386/i386.h: Ditto.
23696 * config/m32r/m32r.h: Ditto.
23697 * config/m68k/m68k.h: Ditto.
23698 * config/m88k/m88k.h: Ditto.
23699 * config/mips/mips.h: Ditto.
23700 * config/pa/pa.h: Ditto.
23701 * config/pyr/pyr.h: Ditto.
23702 * config/tahoe/tahoe.h: Ditto.
23703 * config/we32k/we32k.h: Ditto.
23705 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23706 based on arch size.
23708 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23710 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23713 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23715 1999-08-02 Richard Henderson <rth@cygnus.com>
23717 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23718 for the register spill block.
23719 (m32r_va_arg): New.
23720 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23721 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23723 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23724 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23725 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23727 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23729 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23730 MAX_WCHAR_TYPE defined in sparc.h.
23731 * config/sparc/linuxaout.h: Likewise.
23732 * config/sparc/linux64.h: Likewise.
23733 Also default to -mvis if CPU is UltraSPARC.
23735 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23737 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23738 (RTX_OK_FOR_OLO10): Likewise.
23739 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23740 %lo(), allow it in addresses...
23741 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23742 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23743 does not make sense.
23744 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23745 (sparc_output_scratch_registers): New function.
23746 (output_function_prologue, sparc_flat_output_function_prologue): Use
23748 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23750 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23751 * configure.in: Add check for .register pseudo-op support in as and
23752 check for offsetable %lo().
23753 * acconfig.h: Add templates for the above checks.
23754 * configure: Regenerate.
23756 1999-08-02 Richard Henderson <rth@cygnus.com>
23758 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23759 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23760 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23762 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23764 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23767 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23769 * config/float-sparc.h: New file.
23770 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23771 sparc-*-linux-gnu and sparc64-*-linux*.
23773 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23775 * rs6000.c (rs6000_va_list): Type is an array.
23776 (rs6000_va_start): Don't doubly adjust for varargs.
23777 (rs6000_va_arg): Evaluate long long GPR adjustment.
23779 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23781 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23782 -maix64 and -maix32.
23783 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23784 LINK_SPEC): Change appropriately.
23785 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23786 (u_short_cint_operand): Likewise.
23787 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23789 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23791 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23793 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23795 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23796 for type promotion.
23797 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23798 (non_add_cint_operand): Likewise.
23799 (logical_operand): Likewise.
23800 (non_logical_cint_operand): Likewise.
23801 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23802 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23803 (rs6000_select_rtx_section): Suppress warning.
23804 (small_data_operand): Suppress warning.
23805 (rs6000_got_register): Suppress warning.
23806 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23807 type, so `J' is generally the wrong constraint for a SImode value;
23809 (andsi3_internal2): Likewise.
23810 (andsi3_internal3): Likewise.
23811 (iorsi3_internal1): Likewise.
23812 (xorsi3_internal1): Likewise.
23814 (movsf_softfloat): Likewise.
23815 (scc insns): Likewise.
23816 (movsi+2): Preserve sign bits of SImode constant.
23817 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23818 (movdf+1): Sign-extend properly.
23819 (movdi_32+1): Sign-extend properly.
23820 (scc insns): Sign-extend properly.
23822 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23825 1999-08-02 Richard Henderson <rth@cygnus.com>
23827 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23828 -mcpu parsing code.
23829 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23830 * alpha.md (all fp insns): Likewise.
23832 1999-08-02 Nick Clifton <nickc@cygnus.com>
23834 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23837 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23839 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23840 pic_load_label generator directly.
23841 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23842 No longer a named pattern.
23844 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23846 * explow.c (force_reg): Call force_operand if X does not
23847 satisfy general_operand.
23849 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23851 * fix-header.c (main): When testing for CONTINUED, use string
23852 equality, not pointer equality.
23854 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23856 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23858 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23860 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23861 that has become an unconditional jump.
23863 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23864 (output_function_epilogue): Similarly.
23866 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23868 * tree.h (init_dummy_function_start): Declare.
23870 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23872 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23873 last_expr_type, last_expr_value, block_start_count, block_stack,
23874 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23875 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23876 dynamically in stmt elt of struct function for each function.
23877 (struct nesting): Rename function_call_count elt to n_function_calls,
23878 target_temp_slot_level to block_target_temp_slot_level. All users
23880 (struct stmt_status): New structure definition.
23881 Add many accessor macros for stmt_status elements which previously
23882 were global variables.
23883 (init_stmt_for_function): Allocate stmt elt for current_function.
23884 Reflect that block_start_count was renamed to
23885 current_block_start_count.
23886 (save_stmt_status, restore_stmt_status): Delete functions.
23887 (preserve_subexpressions_p): Don't access loop_stack when outside
23889 (expand_start_bindings): Reflect that block_start_count was renamed to
23890 current_block_start_count.
23891 (expand_fixup): Likewise.
23892 (expand_decl): Don't access block_stack when outside a function.
23893 (expand_decl_cleanup): Likewise.
23894 (expand_dcc_cleanup): Likewise.
23895 (expand_dhc_cleanup): Likewise.
23896 (expand_anon_union_decl): Likewise.
23897 (set_file_and_line_for_stmt): New function.
23898 (in_control_zone_p): New function.
23900 * function.h (struct function): Add new elt stmt.
23901 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23902 case_stack, nesting_stack, nesting_depth, block_start_count,
23903 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23904 emit_lineno, goto_fixup_chain.
23905 (save_eh_status, restore_eh_status, save_stmt_status,
23906 restore_stmt_status): Delete declarations.
23907 * function.c (push_function_context_to): Don't call save_stmt_status.
23908 (pop_function_context_to): Don't call restore_stmt_status.
23909 * tree.h (in_control_zone_p): Declare.
23910 * rtl.h (set_file_and_line_for_stmt): Declare.
23912 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23913 call set_file_and_line_for_stmt.
23915 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23917 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23918 Also update copyright.
23920 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23922 * c-pragma.c: Don't include "except.h".
23923 * emit-rtl.c: Likewise.
23924 * stor-layout.c: Likewise.
23925 * tree.c: Likewise.
23926 * varasm.c: Likewise.
23928 * flow.c: Include "function.h".
23929 * tree.h (init_dummy_function_start): Declare new function.
23931 * except.h (struct eh_status): New structure.
23932 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23934 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23935 catch_clauses, false_label_stack, caught_return_label_stack,
23936 protect_list, current_function_ehc): Add accessor macros for the
23937 corresponding fields in current_function->eh; delete declarations
23938 for all items that used to be declared here.
23939 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23940 catch_clauses, false_label_stack, caught_return_label_stack,
23941 protect_list, current_function_ehc): Delete variables.
23942 (init_eh_for_function): Allocate current_function->eh.
23943 (save_eh_status, restore_eh_status): Delete functions.
23945 * function.h (struct function): Add fields next_global and eh.
23946 Delete all exception handling related fields.
23947 * function.c (current_function): New variable.
23948 (all_functions): New variable.
23949 (push_function_context_to): Don't allocate a struct function,
23950 use current_function instead. Call init_dummy_function_start when
23951 outside a function. Clear current_function before returning.
23952 (pop_function_context_from): Restore current_function.
23953 Don't free the restored struct function.
23954 (prepare_function_start): New function.
23955 (init_dummy_function_start): New function.
23956 (init_function_start): Break out some code into prepare_function_start
23959 * stmt.c (save_stmt_status): Don't call save_eh_status.
23960 (restore_stmt_status): Don't call restore_eh_status.
23962 * Makefile.in: Update dependencies.
23964 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23966 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23967 of depending on a magic constant value. Update comments.
23968 (hppa_expand_prologue): Similarly.
23970 * pa.md (reload_indi, reload_outdi): Allow any register for the
23971 original reload register.
23973 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23975 * cccp.c (print_help): Change marcos to macros.
23977 1999-07-30 Richard Henderson <rth@cygnus.com>
23979 * c-typeck.c (initializer_constant_valid_p): Move ...
23980 * c-common.c (initializer_constant_valid_p): ... here. Use
23981 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23982 of label addresses.
23983 * c-common.h (initializer_constant_valid_p): Declare.
23984 * c-tree.h (initializer_constant_valid_p): Remove.
23986 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23988 * config/i386/sol2-c1.asm: Align the stack.
23989 * config/i386/sol2-gc1.asm: Likewise.
23991 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23993 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23994 -Asparclite for sparc86x.
23995 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23997 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23999 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24001 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24002 the user if using the non-default arch size in BI_ARCH configuration.
24003 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24005 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24006 Fix patterns so that they actually match.
24007 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24008 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24009 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24011 (mulsidi3): Reflect this in the expand.
24012 (smulsi3_highpart): Only on TARGET_ARCH32.
24013 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24014 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24015 (umulsidi3): Reflect this in the expand.
24016 (umulsi3_highpart): Only on TARGET_ARCH32.
24017 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24018 don't require g0 to be zero.
24019 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24020 ({,u}divsi3): New expands.
24021 ({,u}divsi3_sp64): New patterns.
24022 (after lshrdi3_v8plus): Four new patterns to help combiner
24023 optimizing nested mixed mode shifts.
24025 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24026 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24027 speed things up. Don't use them by default on plain v9 in 64bit
24028 mode, according to what SPAMv9 sais.
24030 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24031 top 32 bits of %[og][0-7] in signal handlers.
24032 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24034 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24036 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24037 (ashlsi3): Corresponding changes.
24039 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24041 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24043 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24045 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24047 * arm.h (Hint): Delete macro.
24048 Substitute HOST_WIDE_INT for Hint in some prototypes.
24049 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24051 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24053 * builtins.c (expand_builtin_setjmp): Use force_operand to
24054 make sure that the buffer address is in a suitable form to be
24055 passed to force_reg.
24057 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24059 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24062 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24064 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24065 proper mode in the condition string.
24066 (icacheflush, dcacheflush): Remove modes from match_operands.
24068 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24069 proper mode before using it.
24071 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24074 * pa.c (store_reg): Do not call add_high_const generator directly.
24075 (load_reg, set_reg_plus_d): Likewise.
24076 * pa.md (add_high_const): No longer a named pattern.
24078 * pa.c (legitimize_address): Consistently use Pmode rather than
24079 SImode. Do not call gen_pic2_highpart directly anymore.
24080 * pa.md (pic2_highpart): No longer a named pattern.
24081 (pic2_lo_sum): Similarly. Reformat to make more readable.
24083 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24088 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24090 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24092 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24094 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24095 and tag the spill mems.
24096 (hppa_va_start): New.
24097 (hppa_va_arg): New.
24098 * pa.h (EXPAND_BUILTIN_VA_START): New.
24099 (EXPAND_BUILTIN_VA_ARG): New.
24101 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24103 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24104 and tag the spill mems.
24105 (mn10300_va_start): New.
24106 (mn10300_va_arg): New.
24107 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24108 (EXPAND_BUILTIN_VA_ARG): New.
24110 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24112 * mn10200.c (mn10200_va_arg): New.
24113 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24115 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24117 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24118 rather than play with TREE_INT_CST_LOW.
24120 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24122 * config/arm/telf.h: Include dbxelf.h.
24123 (CPP_PREDEFINES): Only define if not already defined.
24124 (ASM_IDENTIFY_GCC): Likewise.
24125 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24126 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24127 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24129 (DBX_DEBUGGING_INFO): Don't define.
24130 * config/arm/linux-telf.h: New file.
24131 * config/arm/linux-tgas.h: New file.
24132 * config/arm/t-thumb-linux: New file.
24133 * config/arm/uclinux-elf.h: New file.
24134 * config/arm/uclinux-telf.h: New file.
24135 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24136 thumb-*-uclinux): New targets.
24137 * configure: Regenerate.
24139 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24141 * pa.md (post_store, pre_load): New expanders.
24142 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24143 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24144 need to directly generate RTL for them.
24145 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24148 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24150 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24151 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24152 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24153 (secndary_reload_class): Make TARGET_ELF conditional compile.
24154 (print_operand_address): Similar.
24155 (output_toc): Print all values as hex.
24156 (get_issue_rate): Rearrange and add RS64A and PPC630.
24157 * rs6000.h (processor_type): Add RS64A and PPC630.
24158 (PROCESSOR_POWERPC64): New.
24159 (PROMOTE_MODE): Use word_mode.
24160 (RTX_COSTS): Add RS64A and PPC630.
24161 * rs6000.md (scheduling information): Add lmul and ldiv
24162 representing 64-bit integer multiply and divide. Add rs64a and
24163 PPC630 information.
24164 (ashldi3): Add support for "rldic" instruction.
24165 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24167 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24169 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24170 instead of V8 for sparclite86x in cpu_table.
24172 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24174 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24175 output_file_directive.
24177 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24179 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24180 tree for op1, not the rtl.
24182 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24184 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24185 to m88k_va_start, leaving only the register spill.
24186 (m88k_build_va_list): New.
24187 (m88k_va_start): New.
24188 (m88k_va_arg): New.
24189 * m88k.h (BUILD_VA_LIST_TYPE): New.
24190 (EXPAND_BUILTIN_VA_START): New.
24191 (EXPAND_BUILTIN_VA_ARG): New.
24193 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24195 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24196 Rename from expand_builtin_saveregs.
24197 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24199 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24201 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24202 for the register spill block.
24203 (i960_build_va_list): New.
24204 (i960_va_start): New.
24205 (i960_va_arg): New.
24206 * i960.h (BUILD_VA_LIST_TYPE): New.
24207 (EXPAND_BUILTIN_VA_START): New.
24208 (EXPAND_BUILTIN_VA_ARG): New.
24209 * i960.md (store_multiple): Use change_address on individul mems.
24211 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24213 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24215 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24216 (expand_builtin_va_end): Evaluate arg for side effects.
24217 * c-common.c (c_common_nodes_and_builtins): Construct a
24218 va_list_arg_type_node to handle array decomposition to pointer.
24220 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24222 * except.c (st_dynamic_cleanup): Use force_operand on the
24225 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24227 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24228 * c4x.c (c4x_va_arg): New.
24230 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24232 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24233 has manual_pop set.
24235 1999-07-26 Nathan Sidwell <nathan@acm.org>
24237 * eh-common.h (__eh_matcher): Prototype correctly.
24239 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24241 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24242 (TARGET_SINGLE_PIC_BASE): Likewise.
24243 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24245 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24246 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24247 (TARGET_OPTIONS): Add -mpic-register=N.
24248 (OUTPUT_INT_ADDR_CONST): New macro.
24249 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24250 LEGITIMATE_PIC_OPERAND_P): Likewise.
24251 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24252 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24253 output_addr_const directly.
24254 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24256 (thumb_pic_register, thumb_pic_register_string): Declare.
24258 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24260 (label_mentioned_p): New function: Imported from arm.c.
24261 (legitimize_pic_address): New function: Imported from arm.c.
24262 (is_pic):New function: Imported from arm.c.
24263 (thumb_finalize_pic):New function: Imported from arm.c.
24264 (add_constant): Cope with PIC constants.
24265 (fixit): Cope with PIC constants.
24266 (output_return): Do not treat the PIC register as live if
24267 TARGET_SINGLE_PIC_BASE is true.
24268 (thumb_function_prologue): Do not treat the PIC register as live if
24269 TARGET_SINGLE_PIC_BASE is true.
24270 (thumb_expand_prologue): Do not treat the PIC register as live if
24271 TARGET_SINGLE_PIC_BASE is true.
24272 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24273 TARGET_SINGLE_PIC_BASE is true.
24274 (thumb_print_operand): Accept '|'.
24275 (thumb_override_options): Process PIC options.
24277 * config/arm/thumb.md (movsi): Support PIC.
24278 (call_insn): Change "i" constraint to "X".
24279 (call_value_insn): Likewise.
24280 (consttable_4, consttable_8, consttable_end): Set and clear
24281 "making_const_table" as appropriate.
24282 (pic_load_addr, pic_add_dot_plus_four): New insns.
24284 * invoke.texi (Thumb Options): Fix spelling. Document new
24285 options -msingle-pic-base and -mpic-register=.
24287 1999-07-26 Andrew Haley <aph@cygnus.com>
24289 * config/m32r/initfini.c (__init): Use a full word immediate for
24290 __fini: this allows it to be placed in any memory region.
24292 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24293 -mmodel=medium. This is OK for all memory models.
24295 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24297 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24298 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24300 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24302 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24305 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24307 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24309 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24310 (BUILD_VA_LIST_TYPE): New.
24311 (EXPAND_BUILTIN_VA_START): New.
24312 (EXPAND_BUILTIN_VA_ARG): New.
24313 * i860.c (output_delayed_branch): Disable.
24314 (output_delay_insn): Likewise.
24315 (i860_saveregs): New.
24316 (i860_build_va_list): New.
24317 (i860_va_start): New.
24318 (i860_va_arg): New.
24319 * i860.md: Disable all peepholes using output_delayed_branch.
24320 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24322 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24324 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24325 (BUILD_VA_LIST_TYPE): New.
24326 (EXPAND_BUILTIN_VA_START): New.
24327 (EXPAND_BUILTIN_VA_ARG): New.
24328 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24329 Return the address of the save area.
24330 (clipper_build_va_list): New.
24331 (clipper_va_start): New.
24332 (clipper_va_arg): New.
24334 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24336 * arc.h (EXPAND_BUILTIN_VA_START): New.
24337 (EXPAND_BUILTIN_VA_ARG): New.
24338 * arc.c (arc_setup_incoming_varargs): Set alias set of
24340 (arc_va_start): New.
24343 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24345 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24346 (BUILD_VA_LIST_TYPE): New.
24347 (EXPAND_BUILTIN_VA_START): New.
24348 (EXPAND_BUILTIN_VA_ARG): New.
24349 * alpha.c (alpha_builtin_saveregs): Delete.
24350 (alpha_build_va_list): New.
24351 (alpha_va_start): New.
24352 (alpha_va_arg): New.
24354 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24356 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24358 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24359 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24361 * gcc.texi: More changes related to list conversion.
24362 * invoke.texi: Likewise.
24364 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24366 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24367 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24368 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24369 (stabilize_va_list): New function.
24370 (std_expand_builtin_va_start): New function.
24371 (expand_builtin_va_start): New function.
24372 (get_varargs_alias_set): New function.
24373 (std_expand_builtin_va_arg): New function.
24374 (expand_builtin_va_arg): New function.
24375 (expand_builtin_va_end): New function.
24376 (expand_builtin_va_copy): New function.
24377 (expand_builtin): Call them.
24378 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24379 __builtin_{varargs_start,stdarg_start,end,copy}.
24380 (build_va_arg): New function.
24381 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24382 (build_va_arg): Declare.
24383 * c-decl.c (ptr_type_node, va_list_type_node): New.
24384 * c-parse.gperf (__builtin_va_arg): New.
24385 * c-parse.in (VA_ARG): New token.
24386 (unary_expr): Recognize it.
24387 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24388 * expr.h (std_expand_builtin_va_start): Declare.
24389 (std_expand_builtin_va_arg): Declare.
24390 (expand_builtin_va_arg): Declare.
24391 (get_varargs_alias_set): Declare.
24392 * tree.def (VA_ARG_EXPR): New.
24393 * tree.h (BUILT_IN_VARARGS_START): New.
24394 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24395 (ptr_type_node, va_list_type_node): Declare.
24396 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24397 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24398 * m88k.h, m88k.c: Likewise.
24399 * mn10300.h, mn10300.c: Likewise.
24400 * pa.h, pa.c: Likewise.
24401 * rs6000.h, rs6000.c: Likewise.
24402 * sh.h, sh.c: Likewise.
24403 * sparc.h, sparc.c: Likewise.
24405 * emit-rtl.c (operand_subword): Copy alias set.
24406 (change_address): Likewise.
24408 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24410 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24411 not just the first one.
24413 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24415 * config/arm/arm.h (TARGET_SWITCHES): Add
24416 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24417 (TARGET_OPTIONS): Add -mpic-register=.
24418 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24419 (arm_pic_register_string): Declare.
24420 (NEED_PLT_GOT): Delete, replace with ...
24421 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24422 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24423 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24424 * config/arm/arm.c (arm_override_options): Add new option
24426 (arm_pic_register_string): New variable.
24427 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24428 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24429 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24430 (output_return_instruction): Likewise.
24431 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24432 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24433 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24435 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24436 mention of -msched-prolog. Document new options -msingle-pic-base
24437 and -mpic-register=.
24439 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24441 * haifa-sched.c (reemit_notes): Tidy.
24442 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24445 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24447 * explow.c (trunc_int_for_mode): New function.
24448 (plus_constant_wide): Use it.
24449 * combine.c (simplify_and_const_int): Likewise.
24450 (merge_outer_ops): Likewise.
24451 (simplify_shift_const): Likewise.
24452 * cse.c (simplify_unary_operation): Likewise.
24453 (simplify_binary_operation): Likewise.
24454 * emit-rtl.c (operand_subword): Likewise.
24455 * rtl.h: Declare it.
24457 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24459 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24460 (use NUM_REGS instead of NUM_INTS).
24462 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24464 * builtins.c: New file.
24465 * expr.c (saveregs_value, apply_args_value): Delete definition,
24466 moved into builtins.c.
24467 (string_constant): No longer static.
24468 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24469 apply_args_size, apply_result_size, result_vector,
24470 expand_builtin_apply_args, expand_builtin_apply,
24471 expand_builtin_return): Delete functions, moved into builtins.c.
24472 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24473 * expr.h (saveregs_value, apply_args_value): Declare variables.
24474 (expand_builtin, string_constant): Declare functions.
24475 * Makefile.in: Update to build builtin.o.
24477 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24479 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24480 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24481 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24482 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24484 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24487 1999-07-21 Michael Meissner <meissner@cygnus.com>
24489 * print-rtl.c (print_rtx): Print the names of the virtual
24492 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24494 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24495 introduced in previous delta.
24497 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24499 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24500 to avoid name clash.
24502 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24504 * c-lex.c (yylex) : Correct the test for overflow when lexing
24507 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24509 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24510 (adjust_priority): Always call ADJUST_PRIORITY.
24511 (schedule_insn): Only put insns into the ready at cost 0.
24512 (schedule_block): Remove redundant initial sort. Give clock_var
24513 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24515 * tm.texi (MD_SCHED_REORDER): Update docs.
24517 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24518 * sparc.c (ultra_reorder_called_this_block): Delete.
24519 (ultrasparc_sched_init): Don't set it.
24520 (ultrasparc_sched_reorder): Don't check it.
24522 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24524 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24525 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24526 (function_arg_boundary): Align DFmode.
24527 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24528 to get fp reg and stack overflow correct.
24529 (function_arg): Likewise.
24530 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24531 (setup_incoming_varargs): Restructure for ABI_V4; use
24532 function_arg_advance to skip final named argument.
24533 (expand_builtin_saveregs): Properly unskip the last integer arg
24534 when doing varargs. Adjust overflow location calculation.
24536 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24537 explicitly unsigned.
24538 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24539 (__VA_GP_REGSAVE): Similarly.
24540 (__va_longlong_p): Delete.
24541 (__va_arg_type_violation): New declaration.
24542 (va_arg): Restructure. Flag promotion errors. Align double.
24543 TFmode passed by reference.
24545 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24546 in the HOST_BITS_PER_WIDE_INT > 32 case.
24548 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24550 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24552 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24554 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24555 * toplev.c (documented_lang_options): Add -fpreprocessed.
24556 * cpplib.h (struct cpp_buffer): Add preprocessed.
24557 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24558 (cpp_start_read): Don't expand macros or emit an initial #line
24559 directive if -fpreprocessed.
24561 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24563 * cpplib.h (struct cpp_buffer): Added manual_pop for
24564 better C++ tokenization.
24565 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24566 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24567 * c-common.c (cpp_token): Make non-static.
24569 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24571 * c-common.h: New file.
24572 * c-common.c (permanent_obstack): Delete unused declaration.
24573 (c_global_trees): New array.
24574 (c_common_nodes_and_builtins): New function; split off common code
24575 from init_decl_processing in both c-decl.c and cp/decl.c.
24576 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24577 c_global_trees and accessor macros defined in c-common.h.
24578 Include c-common.h.
24579 * c-decl.c: Delete definitions for tree nodes that were replaced by
24581 (init_decl_processing): Build void_list_node.
24582 Call c_common_nodes_and_builtins; delete code to generate the common
24584 * objc/objc-act.c (build_module_descriptor): Rename variable
24585 void_list_node to avoid clash with c-common.h.
24587 * Makefile.in: Update dependencies.
24588 * objc/Make-lang.in: Likewise.
24590 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24592 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24593 (UNIQUE_SECTION_P): Likewise.
24594 (UNIQUE_SECTION): Likewise.
24596 1999-07-19 Linas Vepstas <linas@linas.org>
24598 * config/i370/README: New file.
24599 * config/i370/linux.h: New file.
24600 * config/i370/mvs.h: New file.
24601 * config/i370/oe.h: New file.
24602 * config/i370/t-linux: New file.
24603 * config/i370/t-mvs: New file.
24604 * config/i370/t-oe: New file.
24605 * config/i370/x-oe: New file.
24606 * config/i370/xm-linux.h: New file.
24607 * config/i370/xm-mvs.h: New file.
24608 * config/i370/xm-oe.h: New file.
24610 * i370.c (label_node_t): Add first_ref_page, label_addr,
24611 label_first_ref, label_last_ref members.
24612 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24613 (MAX_MVS_LABEL_SIZE): Define.
24614 (MAX_LONG_LABEL_SIZE): Define.
24615 (alias_node_t, alias_anchor, alias_number): New.
24616 (mvs_function_table): Reorder for EBCDIC.
24617 (ascebc, ebcasc): Unconditionally define.
24618 (i370_branch_dest, i370_branch_length): New functions.
24619 (i370_short_branch, i370_label_scan): New functions.
24620 (mvs_get_label): Renamed from mvs_add_label. Search for
24621 an existing label before creating a new one.
24622 (mvs_add_label): New function.
24623 (mvs_get_label_page): New function.
24624 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24625 over the entire list.
24626 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24627 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24628 (mvs_add_alias, mvs_need_alias): New functions.
24629 (mvs_get_alias, mvs_check_alias): New functions.
24630 (handle_pragma): New function.
24631 (mvs_function_check): New function.
24632 (unsigned_jump_follows_p): Search harder.
24633 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24634 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24635 * i370.h (TARGET_VERSION): Delete.
24636 (CPP_SPEC, CPP_PREDEFINES): Delete.
24637 (mvs_label_emitted): Delete.
24638 (TARGET_EBCDIC): Delete.
24639 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24640 (HANDLE_PRAGMA): Define.
24641 (HARD_REGNO_NREGS): Handle complex modes.
24642 (HARD_REGNO_MODE_OK): Likewise.
24643 (CLASS_MAX_NREGS): Likewise.
24644 (RET_REG): Likewise.
24645 (EXTRA_CONSTRAINT): Define.
24646 (RETURN_IN_MEMORY): True for DImode.
24647 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24648 (FUNCTION_PROFILER): Delete.
24649 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24650 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24651 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24652 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24653 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24654 (ASM_FILE_START): Add "RMODE ANY".
24655 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24656 (ASM_GLOBALIZE_LABEL): Likewise.
24657 (ASM_OUTPUT_LABELREF): Likewise.
24658 (ASM_OUTPUT_COMMON): Likewise.
24659 (PRINT_OPERAND): Handle 'K', 'W', default.
24660 (PRINT_OPERAND_ADDRESS): New.
24661 (Lots of defines): Add support for TARGET_ELF_ABI.
24662 * i370.md (attr length): New. Define for all patterns.
24663 (*): Lots of tweeks to assembly output and constraints.
24665 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24667 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24668 Disable patterns performing SImode comparisons with SImode values
24669 if TARGET_POWERPC64 and instruction does not sign-extend or does
24670 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24671 differ for signed quantities.
24672 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24673 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24674 (decrement_and_branch_on_count): Add 64-bit variant.
24676 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24678 * final.c (output_asm_insn): When searching for the matching string
24679 for a given dialect, don't run past the end of the list of
24680 alternatives if there are fewer alternatives in the template than
24683 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24685 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24686 Removed paragraph about compression of files and size limitation,
24687 duplicated in the FAQ. Use gcc-patches for posting patches.
24688 * gcc.c (main): Updated URL with bug reporting instructions to
24689 gcc.gnu.org. Removed e-mail address.
24690 * system.h (abort): Likewise.
24692 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24694 * Makefile.in (stmp-multilib-sub): Make the files extracted
24695 from $(LIBGCC1) writable.
24697 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24699 * config/arm/aout.h: Reformat for improved readability.
24701 * config/arm/arm.h: Reformat for improved readability.
24702 Replace uses of fprintf with asm_fprintf where appropriate.
24703 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24704 function declaration assembler actions.
24705 (NUM_INTS): New macro: Convert from bytes to words.
24706 (NUM_REGS): New macro: Compute number of registers required to
24707 hold a quanitity of tyep MODE.
24708 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24710 (NUM_ARG_REGS): New macro: The number of argument registers
24712 (ARG_REGISTER): New macro: Compute the register number of the Nth
24714 (LAST_ARG_REGNUM): New macro: The number of the last argument
24716 (SP_REGNUM): New macro: Register number of the stack pointer.
24717 (FP_REGNUM): New macro: Register number of the frame pointer.
24718 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24719 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24720 CUMULATIVE_ARGS so that it counts registers not bytes.
24722 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24724 Replace uses of fprintf with asm_fprintf where appropriate.
24725 (output_ascii_pseudo_op): Replace with version from thumb.c
24727 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24729 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24730 SUBTARGET_CPP_SPEC.
24731 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24732 (ASM_FILE_START): Emit ASM_APP_OFF.
24734 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24736 * pa.c (compute_frame_size): Round frame according to
24737 STACK_BOUNDARY rather than a hardwired value.
24739 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24741 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24743 * configure: Rebuilt.
24745 * configure.in (hppa*-*-linux*): New configuration.
24746 * configure: Rebuilt.
24747 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24748 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24749 * pa/pa-linux.h: New file.
24750 * pa/t-linux: New file.
24751 * pa/xm-linux.h: New file.
24753 * pa.c (hppa_legitimize_address): Change references from SImode to
24754 either Pmode or word_mode as appropriate.
24755 (emit_move_sequence, store_reg, load_reg): Likewise.
24756 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24757 (output_mul_insn): Likewise.
24758 * pa.h (PROMOTE_MODE): Likewise.
24759 (INITIALZE_TRAMPOLINE): Likewise.
24760 (Pmode): Define to word_mode.
24762 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24763 value of 4. Allocate 8 bytes for each FP register save.
24764 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24766 (hppa_expand_prologue): Likewise.
24767 * pa.h (PROMOTE_MODE): Likewise.
24768 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24769 (FUNCTION_ARG_BOUNDARY): Likewise.
24771 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24773 * pa.c (out_of_line_prologue_epilogue): Delete.
24774 (override_options): Remove -mspace related code.
24775 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24776 (compute_frame_size): Only allocate space for register that
24777 actually need to be saved.
24778 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24779 (TARGET_SWITCHES): Remove -mspace, -mno-space
24780 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24781 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24782 * pa/ee.asm, pa/ee_fp.asm: Delete.
24784 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24786 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24787 directive in column zero.
24789 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24791 * m68k.c (output_function_prologue): Fix computation of save mask
24792 when generating PIC code.
24794 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24796 * tree.c (build_type_attribute_variant): Move current_obstack restore
24797 after build_qualified_type call.
24799 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24801 * configure.in: Use t-iris6, even with GNU LD.
24802 * config/mips/iris6gld.h: Fix typo in linker spec.
24803 * config/mips/t-iris6gld: Remove.
24805 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24807 * rs6000.md (insv, extzv): Remove SImode dependence in named
24808 patterns. Explicitly generate DImode RTL if PowerPC64 and
24810 (insvdi): Reverse start and size in instruction template.
24812 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24814 * invoke.texi: Typo fixes.
24816 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24818 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24819 handle at this time instead of silently generating incorrect code.
24820 (gen_imagpart): Likewise.
24822 * reload.c (find_reloads): Emit a USE for a pseudo register without
24823 a hard register if we could not create an optional reload for the
24826 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24828 * c-typeck.c (output_init_element, process_init_element):
24829 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24830 check for nameless bit fields.
24832 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24834 * regclass.c (scan_one_insn): Notice subregs that change the
24835 size of their operand.
24836 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24838 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24840 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24841 * configure: Rebuilt.
24842 * alpha/t-ieee: New file.
24844 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24846 * rs6000.c (find_addr_reg): Do not select r0 as an address
24849 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24851 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24853 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24855 * rs6000.md (movsf): Do not force easy FP constants into memory.
24857 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24858 immed_double_const to ensure they are properly truncated then
24861 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24863 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24864 always unless NO_DEBUG is used. Compile this code
24866 (replace_symbols_in_block): Compile it unconditionally.
24868 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24870 * configure.in (i?86-*-elf*): New target.
24871 * configure: Rebuilt.
24872 * i386/i386elf.h, i386/t-i386elf: New files.
24874 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24876 * toplev.c (main): Don't complain about saying -gdwarf.
24877 (rest_of_compilation): Remove redundant code.
24879 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24881 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24883 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24885 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24886 "Li960R:", to avoid name clash.
24888 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24890 * loop.c (check_dbra_loop): When reversing a loop, delete all
24891 REG_EQUAL notes referencing the reversed biv except those which are
24892 for a giv based on it.
24894 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24896 * version.c: Drop "gcc-" prefix from version #.
24898 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24900 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24901 the label if we're being verbose.
24903 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24905 * m68k.c (output_function_prologue): Add pic register to mask
24906 if live and flag_pic.
24907 (output_function_epilogue): Likewise.
24909 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24911 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24912 directives in column zero.
24914 * pa/elf.h (ASM_FILE_START): Define.
24915 * pa/som.h (ASM_FILE_START): Include .level directives.
24916 * pa/hpux10.h (ASM_FILE_START): Delete.
24917 * pa/hpux11.h (ASM_FILE_START): Delete.
24919 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24921 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24923 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24924 when reload_out equals reload_in.
24926 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24928 * invoke.texi (Spec Files): New node: Describe the contents of
24931 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24933 * invoke.texi (DEC Alpha Options): Put @end table at
24934 beginning of line, to avoid confusing texi2html.
24936 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24938 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24939 introduced in previous delta.
24941 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24943 * reload1.c (gen_reload): When synthesizing a 3 operand add
24944 sequence, improve test for when to reload OP1 into the reload
24945 register instead of OP0.
24947 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24949 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24951 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24953 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24956 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24958 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24959 (va_dcl): Use __builtin_va_alist_t.
24961 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24963 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24964 on the permanent_obstack.
24965 * dwarfout.c (output_type): Likewise.
24967 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24969 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24970 Merged from c-typeck.c and cp/typeck.c.
24971 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24972 Merged into c-common.
24974 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24976 * c-lex.c (errorcount): Declare it.
24977 (finish_parse): Update errorcount when using CPPLIB.
24979 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24981 * fixinc/inclhack.def(end_else_label): Double the backslash so
24982 sed gets a chance to see it.
24983 * fixinc/inclhack.sh: regen
24984 * fixinc/fixincl.x: regen
24986 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24988 Add framework to support armv5 architecture when it becomes
24991 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24992 (arm_arch5): New variable.
24993 (all_architectures): Add armv5 line.
24994 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24995 -march=armv5 is specified on the command line.
24996 (arm_arch5): Export this variable.
24997 * invoke.texi: Document new string accepted by -march= switch for
25000 * config/arm/arm.h: Replace use of constant 12 as a register
25001 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25002 * config/arm/arm.c: Replace use of constant 12 as a register
25003 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25005 * config/arm/elf.h: Tidy up.
25006 * config/arm/coff.h: Tidy up.
25008 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25010 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25011 * gcc/config/mips/t-iris6gld: New file.
25012 * gcc/config/mips/iris6gld.h: Likewise.
25014 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25016 * c-decl.c (widest_integer_literal_type_node,
25017 widest_unsigned_literal_type) : New.
25018 (init_decl_processing): Handle/use the two new types.
25019 * c-common.c (type_for_size,type_for_mode) : Same.
25020 * c-lex.c (yylex) : Same.
25021 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25023 * c-tree.h (widest_integer_literal_type_node,
25024 widest_unsigned_literal_type) : New.
25026 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25028 * dwarfout.c (field_byte_offset): Correctly compute the object's
25029 byte offset for the first bit of a field which crosses an alignment
25030 boundary on a !BYTES_BIG_ENDIAN target.
25032 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25034 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25037 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25038 Jeff Law <law@cygnus.com>
25040 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25043 * except.c: Include intl.h.
25044 (expand_eh_return): Set current_function_cannot_inline.
25045 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25046 * function.h (struct function): Add eh_return_stub_label.
25047 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25048 * Makefile.in (except.o): Depend on intl.h.
25050 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25052 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25053 same as offsettable in cases 1 and 2.
25055 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25057 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25058 (extlh, extwh): Likewise.
25060 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25062 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25064 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25066 * configure.in: Add arm-pe and thumb-pe targets.
25067 * configure: Regenerate.
25069 * thumb.c (arm_naked_function_p): New function: Determines if
25070 a function is naked (has no gcc generated prologue/epilogue).
25071 (is_called_in_ARM_mode): Return true if the func has the
25072 interfacearm attribute.
25073 (output_return): Do not generate a return for naked functions.
25074 (thumb_function_prologue): Do not generate a prologue for
25076 (thumb_expand_prologue): Do not generate a prologue for naked
25078 (thumb_expand_epilogue): Do not generate an epilogue for naked
25080 (arm_valid_machine_decl_attribute): New function, copied from
25081 arm.c: Permit naked and interfacearm attributes.
25083 * config/arm/pe.c: New file: Support code for arm-pe target.
25084 * config/arm/pe.h: New file: Header file for arm-pe target.
25085 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25086 * config/arm/t-thumb-pe: New file: Makefile fragment for
25089 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25091 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25092 -fPIC or -fpic is specified.
25094 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25096 * expr.c (emit_block_move): Use copy_to_mode_reg for
25097 !TARGET_MEM_FUNCTIONS case too.
25099 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25101 * configure: Rebuilt.
25102 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25103 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25104 definitions made redundant by dbxelf.h inclusion. Delete
25105 lots of definitions related to assembly output that are
25106 specific to the SOM object format.
25107 * pa.c (output_function_prologue): Do not emit the function's
25109 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25110 * pa-pro.h: Deleted.
25111 * som.h: New file with SOM specific definitions.
25112 * elf.h: New file with ELF specific definitions.
25114 * elfos.h (const_section): Output a tab before assembler directives.
25115 (ctors_section, dtors_section): Likewise.
25116 (ASM_OUTPUT_SECTION_NAME): Likewise.
25118 * pa/pa1.h: Delete unused file.
25120 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25122 * configure.in (hppa*-hp-hpux11*): New configuration.
25123 * configure: Rebuilt.
25124 * pa/pa-hpux11.h: New file.
25125 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25128 * mips.md (leasi, leadi): New patterns.
25130 * expr.c (emit_block_move): Properly handle case where one of the
25131 block move arguments has a queued increment or decrement.
25132 (clear_storage): Similarly. Fix formatting goof.
25134 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25136 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25137 semicolon from the BSD VA_LIST replacement expression.
25139 * fixinc/inclhack.sh: regen
25140 * fixinc/fixincl.x: regen
25142 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25143 now use the fixincl program.
25145 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25147 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25148 case. Also make the PIC register call_used.
25150 * m68k.h (FINALIZE_PIC): Delete.
25151 * m68k.c (finalize_pic): Delete.
25153 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25155 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25158 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25160 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25162 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25164 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25166 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25168 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25170 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25172 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25174 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25176 * rs6000.c (output_toc): Always use hex values for floating-point
25177 constants. Store single-precision values in upper-half of TOC
25178 entry in 64-bit mode.
25179 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25180 to final constraints.
25181 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25182 (fctiwz): Improve accuracy of RTL for pattern.
25184 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25186 * expr.c (expand_expr): Allow RTL_EXPR's through the
25187 MAX_INTEGER_COMPUTATION_MODE checks.
25189 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25191 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25192 such that MASK_SUPPORT_ARCH is not negative.
25194 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25196 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25197 ADDR_DIFF_VEC insns that appear inside loops.
25199 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25200 Jeff Law <law@cygnus.com>
25202 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25203 Handle LO_SUM the same as offsettable in cases 1 and 2.
25204 * rs6000.c (find_addr_reg): Revert previous patch.
25206 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25208 * system.h (strstr): New external function declaration.
25209 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25210 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25211 * config.in, configure: Rebuilt.
25213 1999-06-24 Tom Tromey <tromey@cygnus.com>
25215 * gcc.c (main): Read user-specified specs files after computing
25216 additional startfile_prefixes.
25218 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25220 Revert these two patches:
25222 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25223 * loop.c (strength_reduce): When doing biv->giv conversion, update
25224 reg note of NEXT->insn.
25226 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25227 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25229 (recombine_givs): Set ix field after sorting.
25231 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25233 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25234 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25236 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25238 *fixinc/inclhack.def: Add fix development commentary
25239 (read_ret_type): reactivate and add selection clause
25240 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25241 *fixinc/{fixincl.x|inclhack.sh}: regen
25243 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25245 * expr.c (expand_expr): STRIP_NOPS before checking against
25246 MAX_INTEGER_COMPUTATION_MODE
25247 (check_max_integer_computation_mode): Likewise.
25249 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25251 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25253 1999-06-22 Jim Wilson <wilson@cygnus.com>
25255 * expr.c (store_expr): When target is a promoted subreg, return a
25256 promoted subreg as a result.
25258 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25260 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25262 (dwarf2out_define): Mark unused parameters appropriately.
25263 (gen_unspecified_parameters_die): Ditto.
25264 (gen_subprogram_die): Fix signed/unsigned warnings.
25265 (gen_variable_die): Ditto.
25267 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25269 * fixinc/inclhack.def(end_else_label): combined else_label
25270 and endif_label and fixed the sed expression.
25271 *fixinc/{fixincl.x|inclhack.sh}: regen
25273 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25275 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25276 'x' when handling non-offsettable addresses
25278 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25280 * final.c (shorten_branches): Don't try to split an insn that has
25283 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25285 * config/mips/mips.c (symbolic_expression_p): New function.
25286 (mips_select_rtx_section): Put symbolic expressions in the
25287 data section, not the read-only data section.
25289 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25291 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25293 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25295 * collect2.c (main): Log frame table count.
25296 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25297 (scan_prog_file) [COFF]: Handle frame tables.
25299 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25300 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25301 * alpha/elf.h: Undef them again.
25302 * alpha/vms.h: Remove their definitions.
25304 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25306 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25307 remove the clobber of r0 and change the REG_UNUSED note to
25310 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25312 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25313 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25314 fits in HOST_WIDE_INT and one uses union to access a long constant
25317 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25319 * sparc.c (sparc_override_options): Don't allow profiling for
25320 code models other than medlow.
25321 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25322 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25323 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25324 (sparc_block_profiler): Likewise.
25325 (sparc_function_block_profiler_exit): Likewise.
25326 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25327 (FUNCTION_BLOCK_PROFILER): Likewise.
25328 (BLOCK_PROFILER): Likewise.
25329 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25330 (MCOUNT_FUNCTION): New.
25331 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25332 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25333 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25334 (MCOUNT_FUNCTION): New.
25335 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25336 (BLOCK_PROFILER): Delete.
25337 (MCOUNT_FUNCTION): New.
25339 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25341 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25343 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25345 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25348 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25351 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25354 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25357 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25359 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25362 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25364 * i386/djgpp.h (LIB_SPEC): New.
25365 (STARTFILE_SPEC): New.
25367 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25369 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25371 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25374 * system.h (WSTOPSIG): New macro.
25376 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25378 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25380 (insert_pack_attributes): Take into account member natural
25383 * i386/winnt.c (exports_head): New static variable.
25384 (i386_pe_record_exported_symbol): New function.
25385 (i386_pe_asm_file_end): Use.
25386 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25387 symbols to be emitted at end of assembly.
25388 (ASM_DECLARE_OBJECT_NAME): Likewise.
25389 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25391 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25394 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25396 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25399 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25401 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25402 zapping reg_last_uses directly.
25403 (sched_analyze_2, sched_analyze_insn): Likewise.
25404 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25406 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25408 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25409 attributes for cases 1 and 2.
25411 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25413 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25416 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25418 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25420 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25422 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25423 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25424 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25425 must be stacked if it is used for PIC accesses.
25426 * arm.c (use_return_insn): Handle PIC register specially.
25427 (output_return_instruction): Likewise.
25428 (output_func_{prologue,epilogue}): Likewise.
25429 (output_expand_prologue): Likewise.
25431 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25432 (*strsi_predec): Renamed from *strqi_predec.
25433 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25434 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25436 * arm.c (arm_override_options): Remove warning about PIC code
25437 not being supported.
25439 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25441 * rs6000.c (find_addr_reg): New function.
25442 * rs6000.h (find_addr_reg): Declare.
25443 (offsettable_addr_operand): Delete.
25444 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25445 from and stores to GPRs.
25447 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25449 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25450 gen_sequence as argument to emit_no_conflict_block.
25452 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25454 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25455 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25456 *fixinc/fixincl.x: regen
25457 *fixinc/inclhack.sh: regen
25459 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25461 * added support for -mpcrel (PC relative addressing for m68k)
25462 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25463 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25464 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25465 (comments for general_src_operand): Add some explanation
25466 about EXTRA_CONSTRAINTS.
25467 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25468 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25469 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25470 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25471 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25472 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25473 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25474 if not already set.
25475 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25476 * m68k.h (TARGET_PCREL): New target flag.
25477 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25478 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25479 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25480 contains a SYMBOL_REF. Relax this constraint during reload, since
25481 we want to use the predicates, not reload's built-in concept of a
25482 valid memory address, to control what insns need reloading.
25483 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25484 operands (essentially 'g', 'm', and 's' under normal circumstances).
25485 * m68k.c (print_operand): Cause printing of pc-relative addresses
25486 to include pc register.
25487 (print_operand_address): Ditto.
25488 (general_src_operand): Accept operands that are not only
25489 general_operands, but are also valid when used as a pc-relative
25491 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25492 (memory_src_operand): Similar, for memory_operands.
25493 (pcrel_address): New predicate to accept the special case of a
25494 pc-relative address.
25495 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25496 QImode insns to accept *_src_operand instead of *_operand where
25497 pc-relative operands can fit. For example, a pc-relative operand
25498 can be used as a memory source operand for addsi3, but not as a
25499 memory destination.
25500 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25502 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25504 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25505 .thumb_set pseudo op to mark aliases of thumb functions.
25507 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25509 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25510 preference to ASM_OUTPUT_DEF, if it is defined.
25512 * tm.texi: Document new, optional target macro
25513 ASM_OUTPUT_DEF_FROM_DECLS.
25515 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25517 * fixincludes: ISCNTL patch
25518 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25519 (dgux_int_varargs): new for DG/UX
25520 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25522 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25524 * invoke.texi (ia32 options): Fix typo.
25526 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25528 * loop.c (strength_reduce): When doing biv->giv conversion, update
25529 reg note of NEXT->insn.
25531 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25533 * loop.c (move_movables): Note issues with replacing REGs with
25535 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25537 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25539 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25541 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25542 the reference to `mcount' was not correct for the ELF on FreeBSD.
25544 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25546 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25549 (recombine_givs): Set ix field after sorting.
25551 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25553 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25554 to safe to extract a subword out of a REG.
25556 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25558 * sh.md (mulsi3): Don't add a no-op move at the end.
25560 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25562 * cse.c (cse_insn): Don't put hard register source into tables for
25563 the last insn of a libcall.
25565 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25567 * loop.c (strength_reduce): Insert sets of derived givs at every
25568 biv increment, even if it's the only one.
25570 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25572 * dwarfout.c (add_incomplete_type): New fn.
25573 (output_type): Call it.
25574 (retry_incomplete_types): New fn.
25575 (dwarfout_finish): Call it.
25577 From Eric Raskin <ehr@listworks.com>:
25578 (output_type): Output types for bases.
25580 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25582 * mips.c (mips_output_conditional_branch): Add `break'
25583 between `default' label and `close braces'.
25585 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25587 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25588 specifications and make it realistic.
25589 (LIB_SPEC): Likewise.
25591 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25593 * config/mips/mips.c (mips_secondary_reload_class): Check for
25594 (PLUS (SP) (REG)) and return appropriate register class.
25595 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25596 Handle (PLUS (SP) (REG)).
25597 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25598 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25599 of emit_insn for tablejump.
25601 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25603 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25604 asm_fprintf format string by itself.
25605 (output_function_profiler): Likewise.
25607 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25609 * combine.c (simplify_logical, case AND): Only call
25610 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25611 or the constant is positive.
25613 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25615 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25616 * configure: Regenerate.
25618 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25620 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25621 require a sub-version #.
25622 * configure: Rebuilt.
25624 1999-06-14 Robert Lipe (robertlipe@usa.net)
25626 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25628 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25630 * c-typeck.c (process_init_element): Detect excess elements in
25631 char array initializer.
25633 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25635 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25637 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25639 * invoke.texi (Option Summary): Add -fpermissive flag.
25641 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25643 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25644 that require PIC code sequences.
25646 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25648 * configure.in: Add new target: thumb-elf.
25649 * configure: Regenerate.
25650 * config/arm/t-thumb-elf: New file: Makefile fragment for
25652 * config/arm/telf.h: New file: Header file for thumb-elf
25655 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25657 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25658 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25659 initializers is some circumstances.
25661 * fixinc/inclhack.def (endif_label): Add additional selector for
25662 more bogus stuff after #endif statements.
25663 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25665 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25667 * i386/cygwin.h (SET_ASM_OP): Define.
25669 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25671 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25673 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25675 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25678 * sh.md (ic_invalidate_line_i): Remove second alternative.
25680 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25682 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25683 test for the presence of valid prototypes. Delete bypass expr.
25684 (ioctl_fix_ctrl): Correct the selection expression.
25685 (no_double_slash): Correct quoting rules
25686 *fixinc/fixincl.x: regen
25687 *fixinc/inclhack.sh: regen
25689 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25691 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25693 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25695 * rs6000.md (movsi_got_internal_mem): Delete.
25696 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25697 (GOT_TOC_REGNUM): Delete.
25698 (PIC_OFFSET_TABLE_REGNUM): Define.
25699 (FINALIZE_PIC): Disable.
25700 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25701 (rs6000_replace_regno): Delete.
25702 (rs6000_finalize_pic): Likewise.
25703 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25705 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25707 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25708 is a note; use <= for the compare; advance P while it is
25711 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25713 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25714 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25716 * varasm.c (remove_from_pending_weak_list): Verify t->name
25717 is non-NULL before passing it to strcmp.
25719 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25721 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25722 the typed arguments are not part of a comment
25723 (ioctl_fix_ctrl): Added a purpose comment
25724 *fixinc/fixincl.x: regenerate
25725 *fixinc/inclhack.sh: regenerate
25727 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25729 * invoke.texi: Add C4x invocation docs.
25731 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25733 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25735 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25737 (c4x_legitimize_reload_address): New function.
25738 * config/c4x/c4x.md: Update docs.
25740 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25742 * fixincludes: Avoid removing '.'.
25743 * fixinc/fixinc.svr4: Likewise.
25744 * fixinc/fixinc.winnt: Likewise.
25745 * fixinc/inclhack.tpl: Likewise.
25746 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25748 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25750 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25752 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25754 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25756 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25759 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25761 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25762 * configure: Regenerate.
25764 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25766 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25769 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25771 * fixinc/inclhack.def (avoid_bool): Also catch
25772 "typedef [unsigned] int bool".
25773 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25775 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25776 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25777 * configure: Rebuilt.
25779 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25781 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25782 such that we can override its definitions if necessary.
25783 (CPP_SPEC): New define. Support processor specific predefines via
25785 (CC1_SPEC): New define. Support processor specific compiler
25786 options via %(cc1_cpu).
25787 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25790 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25792 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25793 between sed's -e flag, and the open-quote following it.
25794 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25796 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25797 Jeffrey A Law (law@cygnus.com)
25799 * varasm.c (assemble_start_function): Remove the function
25800 from the pending weak decls list when we define a function.
25801 (assemble_variable): Similarly for variables.
25802 (weak_finish): Ignore items on the list with a NULL name.
25803 (remove_from_ending_weak_list); New function to "remove" an item
25804 from the pending weak declarations list.
25806 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25808 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25810 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25812 * c-lex.c (GETC): Redefine to call getch.
25813 (UNGETC): Redefine to call put_back.
25814 (putback_buffer): New structure type.
25815 (putback): New static structure.
25816 (getch): New function.
25817 (put_back): New function.
25818 (yylex): Replace unused bytes from bad multibyte character.
25820 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25822 * cpplib.c (do_define): Cast `alloca' return value.
25823 (do_include, do_undef, do_pragma): Likewise.
25824 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25826 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25827 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25829 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25831 * sparc.md (abstf2): This should be an expand.
25832 (split after abstf2_notv9): Fix mode.
25833 (abstf2_hq_v9): New pattern.
25834 (abstf2_v9): Only use when no hard quad.
25835 (absdf2_v9): Fix if target is not the same as source.
25836 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25837 Add correct output constraints.
25839 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25841 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25842 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25844 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25846 * mips.h (mips_output_conditional_branch): New function.
25847 (mips_adjust_insn_length): Likewise.
25848 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25849 (ADJUST_INSN_LENGTH): Likewise.
25850 * mips.c (print_operand): Add `F' and `W' for floating-point
25851 comparison opcodes.
25852 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25854 (mips_adjust_insn_length): New function.
25855 (mips_output_conditional_branch): New function.
25856 * mips.md (length): Adjust attribute definition to handle
25857 conditional branches. Change lengths to bytes, rather than
25858 instructions throughout. Remove length attribute from
25859 instructions whose length is four bytes, and rely on the default
25861 (dslot): Fix typo in comment.
25862 Reword conditional branch patterns to use
25863 mips_output_conditional_branch.
25865 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25867 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25868 (LIB_SPEC): Likewise.
25869 Link with -lprof1_r for -g/-pg.
25871 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25873 * loop.c (check_dbra_loop): Fix change of Jan 19.
25875 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25877 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25878 (STARTFILE_SPEC): Define, override the svr4.h version.
25879 (ENDFILE_SPEC): Likewise.
25881 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25883 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25884 * fixinc/fixincl.x: Regenerated.
25885 * fixinc/inclhack.sh: Regenerated.
25887 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25889 * sh.c (barrier_align): Don't return early for normal branch/barrier
25890 when optimizing for SH2.
25892 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25894 * i386/udk.h (LINK_SPEC): Correct linker search path for
25897 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25899 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25900 (braf_label_ref_operand): Delete.
25901 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25902 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25903 label_ref, and has no predicate.
25904 The patten has a predicate to guard against invalid substitutions.
25905 (dummy_jump): Delete.
25906 (casesi): Update use of casesi_jump_2.
25908 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25910 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25911 *fixinc/fixincl.x: regenerate
25912 *fixinc/inclhack.sh: regenerate
25914 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25916 * dwarf2out.c (add_incomplete_type): New fn.
25917 (gen_struct_or_union_type_die): Call it.
25918 (retry_incomplete_types): New fn.
25919 (dwarf2out_finish): Call it.
25921 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25923 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25924 current block starts with a CODE_LABEL and ends with a CALL and
25925 we can not find all the argument setup instructions for the CALL.
25927 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25929 Revert this change:
25930 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25931 something is a candidate for optimize_bit_field_compare.
25933 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25935 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25937 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25939 * alpha.c (override_options): Thinko in last patch.
25941 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25942 (LIB_SPEC): Recognize -pthread.
25944 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25946 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25947 definition in config/arm/coff.h
25948 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25950 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25952 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25953 fixes that need "file=xxx\n" prepended before invocation
25954 (start_fixer - new): starting the fixer process is complex enough
25955 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25956 (process): uses the new routine; omit usage of putenv()
25957 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25958 * fixinc/fixincl.x: regenerate
25960 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25962 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25963 and version #s (1.1 -> 2.96) as needed.
25964 * README.g77: Kill way out of date file in the toplevel directory.
25966 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25968 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25969 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25970 * configure: Rebuilt.
25971 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25972 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25973 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25974 (SWITCH_TAKES_ARG): Likewise.
25975 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25976 * config/t-freebsd: Moved from config/i386/ so it can used for all
25979 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25981 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25983 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25985 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25986 * configure: Rebuilt.
25988 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25990 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25991 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25992 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25993 (rs6000_output_load_toc_table): Same.
25994 (output_prolog, output_mi_thunk): Same.
25995 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25996 (ASM_GLOBALIZE_LABEL): Use putc.
25998 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26000 * alpha.md (reload_*_help): New patterns and splitters.
26001 (reload_*): Use them.
26002 (mov[qh]i): Likewise.
26004 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26006 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26009 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26011 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26013 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26015 * flow.c (mark_regs_live_at_end, insn_dead_p,
26016 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26017 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26018 hasn't run or the frame pointer is needed.
26019 * haifa-sched.c (attach_deaths): Likewise.
26020 * sched.c (attach_deaths): Likewise.
26022 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26024 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26025 calculate_can_reach_end returns nonzero.
26027 * configure.in (native gas tests): Search for an assembler in the
26028 same manner that the installed compiler will.
26029 * configure: Rebuilt.
26030 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26032 * alias.c (find_base_term): Improve handling of addresses
26033 constructed from binary operations.
26035 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26037 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26039 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26041 * function.h (cleanup_label, frame_offset): Declare.
26042 (tail_recursion_label, tail_recursion_reentry): Likewise.
26043 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26044 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26045 (tail_recursion_label, tail_recursion_reentry): Likewise.
26046 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26048 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26050 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26052 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26053 (MAX_OFILE_ALIGNMENT): Define.
26055 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26057 * fixincl.c: Replace local include scheme with #includes of
26058 gansidecl.h and system.h.
26059 * procopen.c: Likewise.
26060 * server.c: Likewise.
26062 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26064 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26065 (crti.o): Add build rule and dependencies.
26066 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26068 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26070 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26071 (LIB_LINUX_SPEC): Likewise.
26072 (LIB_LINUX_SPEC): Add support for -pthread
26073 (CPP_OS_LINUX_SPEC): Likewise.
26074 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26077 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26079 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26081 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26082 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26083 for IEEE math and CC_FCOMI.
26084 (put_jump_code): No IEEE if CC_FCOMI is set.
26086 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26088 * fold-const.c (fold_truthop): Make the field reference unsigned
26089 when converting a single bit compare.
26091 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26093 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26095 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26097 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26098 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26101 * reload.c (push_reload): Do not call remove_address_replacements
26102 when presented with identical optional reloads.
26104 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26106 * alpha.h (MASK_FIX, TARGET_FIX): New.
26107 (MASK_*): Reorganize constants.
26108 (CPP_AM_FIX_SPEC): New.
26109 (TARGET_SWITCHES): Add FIX.
26110 (EXTRA_SPECS): Likewise.
26111 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26112 (SECONDARY_MEMORY_NEEDED): Likewise.
26113 (REGISTER_MOVE_COST): Likewise.
26114 * alpha.c (override_options): Add FIX support. Always use
26115 ALPHA_TP_PROG for ev6.
26116 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26117 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26118 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26120 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26122 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26123 something is a candidate for optimize_bit_field_compare.
26125 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26127 * gcc.texi (Passes): Document branch-shortening.
26128 * invoke.texi (Debugging Options): Document the fact that `-dp'
26129 outputs length information for instructions.
26131 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26133 * flow.c: Revert previous delta.
26135 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26137 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26138 FRAME_POINTER_REGNUM.
26139 (mark_set_1): Ditto.
26140 (mark_used_regs): Ditto.
26142 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26144 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26145 (GOT_PCREL): New macro. Define to 1 if not already defined.
26146 * arm/elf.h (GOT_PCREL): Define to 0.
26147 * arm.c (arm_finalize_pic): Take into account the setting of
26150 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26152 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26153 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26155 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26156 store elimination candidates.
26158 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26160 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26163 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26165 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26166 Add use of x-aix41-gld.
26168 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26170 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26171 (ASM_OUTPUT_DESTRUCTOR): Define.
26173 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26175 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26176 last CODE_LABEL in a loop if we have previously passed a jump
26177 to the top of the loop.
26179 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26181 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26182 applying Philip's patch.
26184 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26186 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26189 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26191 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26193 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26195 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26196 Also remove a useless comment.
26198 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26200 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26202 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26204 * collect2.c (main): Only generate import or export file and add
26205 to link arguments if non-empty. Use xmalloc not alloca.
26206 (write_{export,import}_file): Delete.
26207 (write_aix_file): New function.
26208 (locatelib): Use xmalloc not malloc.
26209 (GCC_OK_SYMBOL): Do not check type if aix64.
26211 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26213 Based on patch by Scott Bambrough and Pat Beirne:
26214 * config/arm/arm.c (making_const_table): New variable.
26215 * config/arm/arm.h (making_const_table): Declare.
26216 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26218 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26219 Keep track of when we are building the constant table.
26221 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26223 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26226 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26228 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26231 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26233 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26236 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26238 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26240 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26242 * rs6000.c (output_mi_thunk): Enable full support again.
26244 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26246 * sh.h (BRANCH_COST): Define.
26248 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26250 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26252 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26254 * function.c (assign_stack_local): Align stack slot propertly.
26255 (assign_outer_stack_local): Likewise.
26257 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26259 * expr.h (lang_expand_constant): Declare.
26260 * toplev.c (lang_expand_constant): Define it.
26261 * varasm.c (output_constant): Use it.
26263 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26265 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26266 Change function definitions to K&R style.
26268 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26270 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26272 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26274 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26275 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26276 (several places): omit static initialization
26277 (process): use single fd, since only the read fd is used
26278 * fixinc/gnu-regex.c: define 'const' away, if not supported
26279 * fixinc/procopen.c(several places): omit static initialization
26280 * fixinc/server.c: define 'volitile' away, if not supported
26282 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26284 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26285 asm_fprintf and %L to generate the label name.
26286 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26287 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26289 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26291 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26292 insn for a conditional jump can not be found.
26294 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26296 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26297 on variables in specific sections other than .sbss and .sdata.
26299 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26301 * stmt.c (expand_return): Call start_cleanup_deferral and
26302 end_cleanup_deferral around conditional code.
26304 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26306 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26307 filename lists. Utilizes new "krstr" AutoGen function.
26308 * fixinc/fixincl.x: Rebuilt.
26310 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26312 * i386.c (output_float_compare): Avoid GNU-C extensions.
26314 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26316 * version.c: Bump to distinguish mainline tree from the
26319 See ChangeLog.1 for earlier changes.