1 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
4 adjusted by less than 256 bytes, use ret regardless of having any
5 callee-saved register to restore.
7 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
9 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
11 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
13 * config/i386/djgpp.h (INT_ASM_OP): Define.
14 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
15 (ASM_WEAKEN_LABEL): Define.
16 (MASK_BNU210): Define.
17 (SUBTARGET_SWITCHES): Define.
18 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
19 (MAKE_DECL_ONE_ONLY): Define.
20 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
22 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
24 * i386/cygwin.h (INT_ASM_OP): Define.
26 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
28 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
29 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
31 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
33 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
34 __tmp_reg__ and __zero_reg__ initialization.
36 2000-04-30 Richard Henderson <rth@cygnus.com>
38 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
40 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
41 referenced bewteen the condition and the jump. Don't delete
42 anything but the jump.
44 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
46 * bb-reorder.c (scope_def): New struct.
47 (scope_forest_info): New struct.
48 (struct reorder_block_def): New member "scope".
49 (REORDER_BLOCK_SCOPE): New macro.
50 (relate_bbs_with_scopes): New function and prototype.
51 (make_new_scope): Likewise.
52 (build_scope_forest): Likewise.
53 (remove_scope_notes): Likewise.
54 (insert_intra_1): Likewise.
55 (insert_intra_bb_scope_notes): Likewise.
56 (insert_inter_bb_scope_notes): Likewise.
57 (rebuild_scope_notes): Likewise.
58 (free_scope_forest_1): Likewise.
59 (free_scope_forest): Likewise.
60 (dump_scope_forest): Likewise.
61 (dump_scope_forest_1): Likewise.
62 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
63 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
65 (reorder_basic_blocks): Added calls to build_scope_scope_forest
66 and remove_scope_notes before reordering is done. Added calls to
67 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
68 after reordering is done.
70 2000-40-30 Bruce Korb <bkorb@gnu.org>
72 * fixinc/inclhack.def: Added definitions needed by OSR5,
73 removed two stale entries (defined away with OLD_CPP).
74 * fixinc/inclhack.sh: regen
75 * fixinc/fixincl.x: regen
77 2000-04-30 Richard Henderson <rth@cygnus.com>
79 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
80 from the last insn in the sequence.
82 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
84 * cpplex.c (cpp_idcmp): New function.
85 * cpplib.h: Prototype it.
86 * scan_decls.c (scan_decls): Use it to inspect token names.
87 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
88 the file being run through the preprocessor.
89 (check_macro_names): Provide length of token to cpp_defined.
91 * Makefile.in: Remove stale warning message.
93 * cppfiles.c (redundant_include_p): Provide length of token to
95 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
96 values are unsigned int.
97 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
98 (_cpp_lookup_slot): Do not calculate the hash, either.
99 * cpphash.h: Update prototypes.
100 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
101 Hashes are unsigned int. Calculate hash here, pass by value
104 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
106 * simplify-rtx.c (check_value_useless): Delete function.
107 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
109 (cselib_invalidate_regno): Likewise.
110 (cselib_invalidate_mem_1): Likewise.
111 (references_value_p): Recognize useless values by the fact that they
113 (discard_useless_values): Likewise.
114 (cselib_record_set): This may turn a useless value
117 2000-04-30 Richard Henderson <rth@cygnus.com>
119 * config/d30v: New port.
121 * configure.in (d30v-*): Set fp format.
122 * configure: Rebuild.
124 2000-04-30 Richard Henderson <rth@cygnus.com>
127 * Makefile.in (OBJS): Add it.
128 (ifcvt.o): New target.
129 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
130 and conditional arithmetic.
131 (find_insert_position): Remove.
132 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
133 * toplev.c (DFI_ce, DFI_ce2): New.
134 (dump_file): Add ce and ce2 dumps.
135 (rest_of_compilation): Run if_convert a couple o times. Set
136 cse_not_expected after cse2. Don't set no_new_pseudos until
137 after sched1 or recompute_reg_usage.
139 2000-04-30 Richard Henderson <rth@cygnus.com>
141 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
142 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
144 2000-04-30 Richard Henderson <rth@cygnus.com>
146 * flow.c (struct reg_cond_life_info): New.
147 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
148 (init_propagate_block_info): Initialize them.
149 (free_propagate_block_info): Destruct them.
150 (mark_set_1): Consider conditional life before killing a register.
151 (mark_regno_cond_dead): New.
152 (free_reg_cond_life_info): New.
153 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
154 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
155 (mark_used_reg): Record conditional life.
157 * haifa-sched.c (schedule_insns): Disable death counting
158 sanity check for HAVE_conditional_execution.
160 2000-04-30 Richard Henderson <rth@cygnus.com>
162 * Makefile.in (TIMEVAR_H): New.
163 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
164 (timevar.h): Remove rule.
166 2000-04-29 Richard Henderson <rth@cygnus.com>
168 * config/alpha/crtend.asm: Use C comments instead of #.
169 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
171 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
173 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
175 * cpphash.h (enum node_type: Take out T_MCONST.
176 (union hashval): Move into struct hashnode.
177 (struct hashnode): Pack tighter. Remove file, line, col
179 * cpphash.c: Constify most of the macro-definition structures.
180 (struct definition): Replace by struct object_defn
181 and struct funct_defn. Put file, line, column information
182 here. All users updated to match.
183 (_cpp_create_definition, _cpp_macroexpand): Remove special
184 case for #define WORD OTHERWORD.
185 * cpplib.c (do_undef): Remove T_MCONST case.
187 * cpphash.h: Move struct reflist, struct definition, and the
188 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
189 union hashval. _cpp_free_definition takes a HASHNODE pointer.
190 * cpphash.c (_cpp_free_definition): Free data pointed to by
191 MCONST, XCONST, MACRO, and FMACRO nodes properly.
192 (_cpp_create_definition, del_HASHNODE): Just call
193 _cpp_free_definition to clear out a hashnode.
194 * cpplib.c (do_pragma_poison): Likewise.
196 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
198 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
199 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
200 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
201 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
202 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
203 REGNO_AM33_P): Redefine in terms of the new macros.
204 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
205 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
206 STRUCT_VALUE): Likewise.
207 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
208 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
210 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
212 * regmove.c (struct record_stack_memrefs_data): New.
213 (record_stack_memrefs): New function.
214 (combine_stack_adjustments_for_block): Use it.
216 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
218 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
219 use special_function_p to detect alloca.
221 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
223 * gcc.texi: Fixes for makeinfo 4.0 --html.
225 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
227 * pcp.h: Delete file.
229 2000-04-28 Kazu Hirata <kazu@hxi.com>
231 * h8300.c (function_epilogue): Clean up flags when the last insn
232 in a function is a barrier.
234 2000-04-28 Chris Demetriou <cgd@sibyte.com>
236 * configure.in (sparc-hal-solaris2*): protect [] glob from
238 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
239 rather than hard-coded constants in target_cpu_default2.
240 * configure: Regenerate.
242 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
244 * tree.c (get_callee_fndecl): Extract the initial value from
247 2000-04-28 Richard Henderson <rth@cygnus.com>
249 * varasm.c (record_constant_1): Record the CODE_LABEL when
250 taking the address of a LABEL_REF.
252 2000-04-28 Richard Henderson <rth@cygnus.com>
253 Jan Hubicka <jh@suse.cz>
255 * calls.c (combine_pending_stack_adjustment_and_call): Return the
256 adjustment; don't do the stack adjust.
257 (expand_call): Call compute_argument_block_size right before
258 allocating the block; update comment; don't do alignment sanity
259 checking for sibling call; use args_size instead of
260 unadjusted_args_size before args_size is adjusted. Use
261 combine_pending_stack_adjustment_and_call to compute stack adjust
262 for must_preallocate case.
264 * expr.c (push_block): Remove shadow `temp' in inner scope.
266 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
268 * toplev.c (rest_of_compilation): Call
269 note_deferral_of_defined_inline_function even if the function
272 2000-04-28 Scott Bambrough <scottb@netwinder.org>
274 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
276 2000-04-28 Richard Henderson <rth@cygnus.com>
278 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
280 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * timevar.c (init_timevar): DeANSIfy function definition.
284 2000-04-27 Alex Samuel <samuel@codesourcery.com>
286 * Makefile.in (timevar.o): Depend on flags.h.
287 * timevar.c (unused_stack_instances): New variable.
288 (timevar_push): Take a timevar_stack_def from
289 unused_stack_instances if available.
290 (timevar_pop): Push the popped timevar_stack_def onto
291 unused_stack_instances.
292 (TIMEVAR_ENABLE): New macro.
293 (timevar_def): Make standalone a 1-bit field. Add field used.
294 (get_time): Rename parameter to now. Return after clearing it if
296 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
297 (timevar_pop): Likewise.
298 (timevar_stop): Likewise.
299 (timevar_push): Likewise. Mark the timing variable as used.
300 (timevar_start): Likewise.
301 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
302 timevars that were never used.
304 2000-04-27 Mark Mitchell <mark@codesourcery.com>
306 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
307 always TREE_READONLY.
309 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
311 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
312 for call instruction with mode QImode.
314 2000-04-27 Alex Samuel <samuel@codesourcery.com>
316 * Makefile.in (OBJS): Add timevar.o.
317 (toplev.o): Depend on timevar.h.
318 (ggc-simple.o): Likewise.
319 (ggc-page.o): Likewise.
320 (timevar.o): New rule.
321 (timevar.h): New rule.
323 * timevar.h: New file.
324 * timevar.c: Likewise.
325 * timevar.def: Likewise.
327 * toplev.h (gc_time, parse_time, varconst_time): Remove.
328 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
330 (TIMEVAR): Remove macro.
331 (gc_time, parse_time, varconst_time, integration_time, jump_time,
332 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
333 flow_time, combine_time, regmove_time, sched_time,
334 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
335 sched2_time, dbr_sched_time, reorder_blocks_time,
336 rename_registers_time, shorten_branch_time, stack_reg_time,
337 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
339 (compile_file): Don't initialize time variables. Call
340 init_timevar and start TV_TOTAL timer. Call timevar_print instead
341 of many calls to print_time.
342 (rest_of_compilation): Add timing for reload_cse_regs.
343 (get_run_time): Removed to timevar.c.
344 (print_time): Likewise.
345 (get_run_time): Implement using TV_TOTAL time variable.
346 (print_time): Get total run time from get_run_time.
347 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
348 computing elapsed time explicitly.
349 * ggc-simple.c (ggc_collect): Likewise.
350 (gc_time): Remove declaration.
352 2000-04-27 Mark Mitchell <mark@codesourcery.com>
354 * calls.c (combine_pending_stack_adjustment_and_call): New function.
355 (expand_call): Use it.
357 2000-04-27 Jan Hubicka <jh@suse.cz>
359 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
362 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
364 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
367 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
369 * function.c (epilogue_done): Pass whole insn to record_insns.
371 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
373 * cse.c (CSE_ADDRESS_COST): Remove.
374 (find_best_addr): Add new parameter "MODE", use address_cost instead
377 (fold_rtx): Update call of find_best_addr.
378 * rtl.h (address_cost): Declare.
379 * loop.c (general_induction_var): Add new parameter "MODE", use
380 address_cost instead of ADDRESS_COST
381 (init_loop): Use address_cost instead of ADDRESS_COST.
382 (check_insn_for_givs): Update call of general_induction_var.
383 (find_mem_givs): Likewise.
384 (consec_sets_giv): Likewise.
385 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
386 * i386.c (ix86_address_cost): New.
387 * i386-protos.h (ix86_address_cost): Declare.
389 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
391 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
394 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
396 * expr.c (store_expr): Use clear_storage instead of direct memset
399 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
401 * config/mn10300/mn10300.c (mn10300_address_cost): Test
402 ASHIFT, AND and LABEL_REF.
404 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
406 * invoke.texi (-foptimize-sibling-calls): Fix.
408 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
410 * loop.c (load_mems) Don't use hard registers for the hoisting.
412 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
413 calculation; rename const_equiv array in the preconditioning code
414 from loop_unroll to loop_unroll_precondition
416 2000-04-27 Richard Henderson <rth@cygnus.com>
418 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
420 (propagate_one_insn): Clear it. Don't update reg_live here.
421 (init_propagate_block_info): Update for pbi member changes.
422 (free_propagate_block_info): Likewise.
423 (mark_set_1): Know that zero_extract, sign_extract, and
424 strict_low_part don't kill their argument. Alter hard subregs.
425 Update new_set for non-CLOBBER sets. Update reg_live.
426 (find_auto_inc): Update reg_live, not new_dead.
427 (mark_used_reg): Update reg_live, not new_live. Examine new_set
428 to determine if the reg in question was set this insn. Only update
429 reg info with PROP_REG_INFO.
431 2000-04-26 Richard Henderson <rth@cygnus.com>
433 * flow.c (allocate_reg_life_data): Set max_regno here ...
434 (life_analysis): ... not here.
436 * flow.c (calculate_global_regs_live): Force stack pointer
439 2000-04-26 Richard Henderson <rth@cygnus.com>
441 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
442 commit change group changes.
443 (invert_exp_1): Similarly.
444 (redirect_exp, invert_exp): Use them.
445 (redirect_jump_1): New.
446 (invert_jump_1): New.
447 (jump_optimize_1): Remove code subsumed by condexec.c.
448 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
450 2000-04-26 Richard Henderson <rth@cygnus.com>
452 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
454 * genconfig.c (main): Set all HAVE_foo to 1.
456 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
458 2000-04-26 Alex Samuel <samuel@codesourcery.com>
460 * invoke.texi: Document -fssa flag.
462 2000-04-26 Richard Henderson <rth@cygnus.com>
464 * flow.c (count_reg_sets_1): Remove.
465 (count_reg_sets, count_reg_references): Remove.
466 (recompute_reg_usage): Implement with update_life_info.
467 Reallocate life data.
469 2000-04-26 Richard Henderson <rth@cygnus.com>
471 * flow.c (update_life_info): Consider blocks null to mean the
473 (calculate_global_regs_live): Likewise.
474 (life_analysis): Do that instead of collecting all_blocks.
476 2000-04-26 Richard Henderson <rth@cygnus.com>
478 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
479 a still-valid conditional jump.
481 2000-04-26 Richard Henderson <rth@cygnus.com>
483 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
485 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
486 * flow.c (calculate_loop_depth): Remove.
487 * output.h (calculate_loop_depth): Don't declare.
488 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
489 inline; run estimate_probability at the same time.
491 2000-04-26 Neil Booth <NeilB@earthling.net>
493 * cpplib.h: "~=" is not a single pp-token.
494 * cpplex.c: Correct commentary.
496 2000-04-26 Richard Henderson <rth@cygnus.com>
498 * flow.c (mark_set_1): New arguments code and flags; update all
499 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
500 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
501 loop_depth when optimizing for size. Do new_dead update after
502 emitting REG_UNUSED notes. Merge mark_set_reg code.
503 (mark_set_reg): Remove.
504 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
505 arrange to not emit REG_UNUSED notes.
507 2000-04-26 Richard Henderson <rth@cygnus.com>
509 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
510 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
512 2000-04-26 Richard Henderson <rth@cygnus.com>
514 * flow.c (propagate_one_insn): Break out from propagate_block.
515 (init_propagate_block_info): Likewise.
516 (free_propagate_block_info): Likewise.
517 (propagate_block): Use them. Export.
518 * basic-block.h: Declare them all.
520 2000-04-26 Richard Henderson <rth@cygnus.com>
522 * basic-block.h (life_analysis): Declare here ...
523 * output.h: ... not here.
524 * flow.c (life_analysis): Remove nregs parameter; replace
525 remove_dead_code with flags. Remove ssa dead code check.
526 Only init alias analysis if we'll use it.
527 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
528 * ssa.c (convert_to_ssa): Likewise.
529 (convert_from_ssa): Likewise.
530 * toplev.c (rest_of_compilation): Likewise.
532 2000-04-26 Richard Henderson <rth@cygnus.com>
534 * flow.c (flow_delete_block): Rename from delete_block. Export.
535 * basic-block.h (flow_delete_block): Declare.
537 2000-04-26 David S. Miller <davem@redhat.com>
539 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
540 taking a PATTERN of it.
542 2000-04-26 <NeilB@earthling.net>
544 * cpplex.c (spell_other, spell_char): Remove.
546 (token_spelling, trigraph_map): Use unsigned chars.
547 (_cpp_lex_line): Tidy up the switch statement.
548 * cpplib.h: Implement spell_char with spell_string.
551 2000-04-26 <RodneyBrown@pmsc.com>
553 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
554 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
556 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
558 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
559 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
560 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
561 dwarf2out_return_save, dwarf2out_return_reg,
562 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
563 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
564 gen_compile_unit_die, dwarf2out_init): Constify a char*.
566 * dwarf2out.h (dwarf2out_init): Likewise.
568 * dwarfout.c (filename_entry, primary_filename, last_filename,
569 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
571 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
572 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
573 dwarf2out_return_reg): Likewise.
575 2000-04-26 Andreas Jaeger <aj@suse.de>
577 * extend.texi (Function Attributes): Fix description of pure
580 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
582 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
583 before calling rest_of_compilation.
585 2000-04-26 Andreas Jaeger <aj@suse.de>
587 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
590 2000-04-25 Richard Henderson <rth@cygnus.com>
592 * cse.c (cse_insn): Emit barrier after unconditional jump.
594 * calls.c (expand_call): Disable tail call generation once
595 rtx_equal_function_value_matters is false.
597 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
600 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
602 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
604 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
606 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
607 is the primary DIE for a member function.
608 (gen_decl_die): Call set_decl_origin_self here.
609 * dwarfout.c (output_decl): And here.
610 * integrate.c (output_inline_function): Not here.
611 Don't clear DECL_INLINE until after calling rest_of_compilation.
612 (set_decl_origin_self): No longer static.
613 * tree.h: Add prototype.
614 * toplev.c (note_deferral_of_defined_inline_function): Only write
615 out abstract instance for actual inlines.
617 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
619 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
620 EXTENDED_REGS only if TARGET_AM33.
621 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
622 SP_REGS to register allocation and reloading unless absolutely
624 (movsi3): Remove special-case of adding non-constants to SP.
626 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
628 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
629 INCLUDES to search and does not provide any of its own. Also it
630 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
631 parameters. Also it does not call AC_DEFINE.
632 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
633 AC_DEFINE and provides for automatic entries for autoheader.
634 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
636 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
637 so we can pass -I flags and include gansidecl.h/system.h in this
640 * acconfig.h: Delete all NEED_DECLARATION_* entries.
642 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
644 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
645 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
646 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
648 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
649 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
650 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
651 for these macros. Clean up spacing and linewraps.
653 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
655 * calls.c (expand_call): Use get_callee_fndecl.
657 * print-tree.c (print_node): Print the chain of an _EXPR.
659 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
660 Jim Wilson <wilson@cygnus.com>
661 Andrew Haley <aph@cygnus.com>
663 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
664 and gp save/restore problems.
665 * config/ia64/crtend.asm: Add IA-64 unwind support.
666 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
667 in fr_pad_size calculation.
668 (save_restore_insns): Move PR save area. Correct uses of
670 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
671 (ia64_expand_epilogue): Add eh_epilogue support.
672 (ia64_function_prologue): Emit .prologue directive.
673 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
674 (ia64_override_options): Set init_machine_status and
676 (rtx_needs_barrier): Handle bsp reads and writes.
677 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
678 New static variables.
679 (process_set, process_for_unwind_directive): New functions.
680 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
681 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
682 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
684 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
685 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
686 (struct machine_function): Define.
687 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
689 2000-04-25 Bruce Korb <bkorb@gnu.org>
691 * fixinc/Makefile.in: make the removal of old programs more
693 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
694 install-bin and install-sh
696 2000-04-25 Nick Clifton <nickc@cygnus.com>
698 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
699 defined, define to return zero.
700 (function_cannot_inline_p): If a function has any target
701 specific attributes, then use the macro
702 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
703 whether it can be inlined. If it cannot, issue a suitable
706 * tm.texi: Add a new node 'Inlining' to document the new macro
707 FUNCTION_ATTRIBUTE_INLINABLE_P.
709 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
711 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
714 2000-04-25 Neil Booth <NeilB@earthling.net>
716 Restore previous patch, plus the following fixes:
718 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
719 flags, not CPP_OPEN_PAREN.
720 * cpplex.c (expand_token_space, init_token_list,
721 cpp_free_token_list): Put the dummy token at list->tokens[-1].
722 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
724 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
726 * config/i386/freebsd.h (INT_ASM_OP): Define.
728 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
730 * loop.c (strength_reduce): Fix typo in the last checkin.
732 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
734 * stor-layout.c (finalize_record_size): Simplify to use existing
736 (compute_record_mode): No longer static.
737 * tree.h (compute_record_mode): New declaration.
739 2000-04-25 Neil Booth <NeilB@earthling.net>
741 * Revert my patch below until cause of build failures
744 2000-04-25 Richard Henderson <rth@cygnus.com>
746 * combine.c (combine_instructions): Add missing argument
749 * toplev.c (rest_of_compilation): Delay sibcall optimization
750 until after emit_eh_context.
752 2000-04-24 Nick Clifton <nickc@redhat.com>
754 * combine.c (combine_instructions): Do not try to combine a
755 sequence of insns when the second insn has been replaced by a
758 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
760 * gcc.c (load_specs): New static function.
761 (read_specs): Use it.
763 * gcc.c (lookup_compiler): Make multiple passes for case
764 insensitive filesystems.
766 2000-04-24 Neil Booth <NeilB@earthling.net>
768 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
769 * cpphash.h (_cpp_check_directive): new.
770 * cpplex.c (handle_newline, cpp_free_token_list,
771 init_trigraph_map, trigraph_ok, trigraph_replace,
772 backslash_start, skip_block_comment, skip_line_comment,
773 skip_whitespace, parse_name, parse_number, parse_string,
774 copy_comment, _cpp_lex_line, spell_char, spell_string,
775 spell_comment, spell_name, spell_other, _cpp_lex_file,
776 _cpp_output_list): new.
777 (expand_name_space): take length argument.
778 (init_token_list): add comment list initialisation.
779 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
780 instead of HSPACE_BEFORE.
782 * cpplib.c (_cpp_check_directive): new
783 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
784 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
785 (HSPACE_BEFORE): delete.
786 (TTYPE_TABLE): rearrange.
787 (struct cpp_toklist): update.
789 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
791 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
792 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
793 argument form of AC_DEFINE.
795 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
796 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
797 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
798 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
799 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
801 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
803 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
806 deduced.h): Use -isystem, not -I, for including system headers.
808 2000-04-24 Nick Clifton <nickc@cygnus.com>
810 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
811 the source register is the frame pointer or arg pointer.
812 (addsi3_small_int): Disallow if source register is the frame
813 pointer or arg pointer.
815 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
817 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
818 call to AC_MSG_RESULT.
820 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
822 * invoke.texi: Correct grammatical errors, document
823 -fno-gnu-keywords as identical to -fno-asm for C++.
825 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
827 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
828 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
829 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
830 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
831 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
833 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
834 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
835 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
836 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
839 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
841 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
842 (pop_alignment): Likewise.
843 (handle_pragma_token): Likewise.
845 2000-04-24 Robert Lipe <robertlipe@usa.net>
847 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
849 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
851 * combine.c (try_combine): Update reg_nonzero_bits of
852 newi2pat before newpat.
854 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
856 * loop.c (strength_reduce): Simplify test to INSN_P.
857 (record_giv): Attempt to simplify the add value, use CONSTANT_P
858 expressions instead of CONST_INT.
859 (express_from_1): Likewise.
861 2000-04-24 Mark Mitchell <mark@codesourcery.com>
863 * regs.h (reg_n_max): Don't declare.
864 * flow.c (reg_n_max): Don't define.
865 * regclass.c (renumber): Don't initialize to zero.
866 (regno_allocated): Likewise.
868 (allocate_reg_info): Don't initialize unnecessarily.
870 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
872 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
873 and blockage_p in the newly allocated attribute.
875 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
877 * config/mn10300/mn10300.md (addsi): `inc4' on address
878 registers does not modify cc, but `inc' on an extended
881 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
883 * reload.c (find_equiv_reg): Checks all valueno regs
884 as a reload_reg_p regs.
886 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
888 * cpphash.c (collect_objlike_expansion): Add sanity check.
889 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
890 the buffer is the empty string, return. Mark __DATE__ and
891 __TIME__ as XCONST nodes, not MCONST.
892 (_cpp_macroexpand): Avoid pushing an empty buffer.
893 (funlike_macroexpand): Don't pop token_buffer here.
895 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
897 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
898 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
899 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
900 (REGNO_OK_FOR_BASE_P): Define in terms of them.
901 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
902 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
903 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
905 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
907 * loop.c (simplify_giv_expr): Be more agressive on simplifying
910 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
912 * cpphash.h (struct definition): Move file, line, col members...
913 (struct hashnode): ... here. Also add 'disabled' flag.
914 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
915 T_IDENTITY. Remove T_DISABLED.
918 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
919 (collect_expansion): Split into collect_objlike_expansion and
920 collect_funlike_expansion.
921 (_cpp_macroexpand): Split out scan_arguments, stringify, and
923 (_cpp_compare_defs): Rename compare_defs, make static.
924 (_cpp_make_hashnode): Initialize hp->disabled.
925 (macro_cleanup): Adjust for new token types. Clear
927 (_cpp_create_definition): Move code here to determine what
928 sort of macro it is, and code to check for redefinitions, from
929 do_define. Implement a few simple cases without creating a
931 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
932 Handle the simple cases.
933 (push_macro_expansion): Set buf->has_escapes and hp->disabled
936 * cppinit.c (builtin_array): Change MCONST to XCONST
938 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
939 fix check for disabled and function-like macros.
940 * cpplib.c (do_define): Move most logic to
941 _cpp_create_definition.
942 (do_undef): Handle new special token types.
944 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
946 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
947 of CONSTANT_P for mult_val; always use validate_change to update insn.
949 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
951 * cpphash.c (trad_stringify, add_pat): New functions.
952 (collect_expansion): Restore support for -traditional syntax.
953 Use trad_stringify and add_pat.
954 (_cpp_macroexpand): Restore support for -traditional semantics.
955 * cpplex.c (_cpp_scan_line): Don't change space_before if we
957 (_cpp_lex_token): Provide COMMENT tokens to caller if
958 traditional and parsing_define_directive.
959 (skip_comment): Warn about // comments if -Wtraditional.
960 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
962 (do_undef): Don't warn about undefining EMPTY nodes.
964 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
966 * loop.c (strength_reduce): Fix biv removal code.
968 2000-04-22 Richard Henderson <rth@cygnus.com>
970 * predict.c (estimate_probability): Examine both sides of
971 a branch for no exits. Use 90% not 50% for predict taken.
972 Reorg for one copy of note generation code.
974 2000-04-22 Richard Henderson <rth@cygnus.com>
976 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
978 2000-04-22 Richard Henderson <rth@cygnus.com>
980 * diagnostic.c (init_output_buffer): Don't initialize format_args.
981 (output_clear): Likewise.
982 (output_printf): Use va_copy.
983 (vline_wrapper_message_with_location): Likewise.
984 (v_message_with_decl): Likewise.
985 (line_wrapper_printf): VA_START infor buffer.format_args directly.
986 * system.h (va_copy): Provide default implementation.
988 2000-04-22 Richard Henderson <rth@cygnus.com>
990 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
991 the collected condition is not a constant.
993 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
995 * diagnostic.h: New file.
997 * Makefile.in (diagnostic.o): Depends on diagnostic.h
999 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1000 various function prototypes.
1001 (diagnostic.h): #include.
1002 (struct output_buffer): Move into diagnostic.h.
1003 (get_output_prefix): Rename to output_get_prefix. Export.
1004 (init_output_buffer): Export. Break out. Ajust intialization.
1005 (output_space_left, output_append): Export.
1006 (output_newline): Rename to output_add_newline. Export.
1007 (output_clear): Nullify additional output_buffer fields.
1008 (output_puts): Rename to output_add_string. Export.
1009 (dump_output): Rename to output_flush_on. Export.
1010 (build_location_prefix): Constify return-type.
1011 (emit_output_prefix): Rename to output_emit_prefix. Export.
1012 (set_real_maximum_length): New function.
1013 (output_set_maximum_length): Ditto
1014 (output_clear): Ditto.
1015 (output_add_character): Ditto.
1016 (output_add_integer): Ditto.
1017 (output_add_space): Ditto.
1018 (output_format): Ditto.
1019 (output_printf): Adjust buffer initialization.
1020 (vline_wrapper_message_with_location): Ditto.
1021 (v_message_with_decl): Ditto. Adjust call to output_puts
1022 and get_output_prefix.
1023 (default_print_error_function): Adjust buffer intialization.
1025 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1027 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1030 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1032 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1035 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1037 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1038 accurate data about SP moves.
1040 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1042 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1043 aliases to AM33 registers.
1045 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1047 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1048 to all EXTENDED bitmaps.
1050 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1052 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1053 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1054 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1056 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1058 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1059 the operand is not constant.
1061 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1063 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1064 as a call-clobbered regs.
1066 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1068 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1070 * rtl.def: Update comment.
1071 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1072 * integrate.c (expand_inline_function): Likewise.
1073 * profile.c (branch_prob): Likewise.
1074 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1075 * print-rtl.c (print_rtx): Likewise.
1076 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1077 (reemit_notes): Likewise; also use enum insn_note.
1079 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1080 (place_field): Properly compute know and actual alignment.
1082 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1085 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1088 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1090 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1091 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1092 (collect_expansion): Rewrite to scan over a token list.
1093 Remove -traditional support.
1094 (collect_formal_parameters): Rename to collect_params; rewrite
1095 to scan over a token list.
1096 (_cpp_create_definition): Adjust to scan a token list.
1097 (_cpp_macroexpand): Remove -traditional support.
1098 (_cpp_compare_defs): Whitespace is now canonicalized.
1099 (comp_def_part): Delete function.
1101 * cpphash.h: Update prototypes.
1102 * cpplex.c (init_token_list): Don't set lineno if there is no
1104 (pedantic_whitespace): New function.
1105 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1106 consume a newline. Use pedantic_whitespace.
1107 (_cpp_lex_token): Remove support for -traditional macros.
1108 (_cpp_get_define_token): Delete.
1109 (_cpp_get_directive_token): Do the real work here. Use
1110 pedantic_whitespace.
1111 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1113 * cpplib.c (get_macro_name): Delete.
1114 (do_define): Read the entire line into pfile->directbuf, then
1115 feed the token list to _cpp_create_definition.
1116 * cpplib.h (HSPACE_BEFORE): new define.
1117 (struct cpp_reader): Add a toklist member, "directbuf".
1119 * predict.c (estimate_probability): New heuristic: if a jump
1120 branches around a block with no successors, predict it taken.
1121 Disentangle control flow.
1123 2000-04-20 Richard Henderson <rth@cygnus.com>
1125 * loop.c (emit_iv_add_mult): Revert last change.
1127 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1129 * cpplib.h (enum cpp_ttype): Add token types for all
1130 punctuators. Distinguish pp-numbers from valid C numbers.
1131 Give some tokens better names. Initialize from macro.
1132 (struct cpp_name, cpp_token, cpp_toklist): New data
1135 * cpplex.c (bump_column, expand_name_space,
1136 expand_token_space, init_token_list, cpp_output_list,
1137 _cpp_scan_line): New functions.
1138 (output_line_command): Add third argument, new line number.
1139 * cpphash.h: Update prototypes.
1140 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1143 2000-04-20 Richard Henderson <rth@cygnus.com>
1145 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1147 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1149 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1152 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1154 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1155 REG_EQUAL note explaining the calculated value.
1157 * calls.c (expand_call): Avoid unnecesary precalculation
1158 and outgoing parameters space guarding for sibling calls.
1159 (store_one_arg): Likewise.
1161 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1163 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1164 (rest_of_compilation): Write sibling dump file and account
1165 for time as jump time.
1166 * invoke.texi: Update documentation on dump flags.
1168 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1170 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1172 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1174 * cpphash.c (special_symbol): Represent an empty macro with
1175 "\r \r " not just "\r ".
1176 (_cpp_macroexpand): Correct condition for the foo ( ) special
1178 (unsafe_chars): Handle EOF as second argument.
1179 (push_macro_expansion): Simplify test for removing escape at
1180 end. Do not trim both escapes if there is no text in between.
1182 2000-04-19 Jim Blandy <jimb@redhat.com>
1184 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1185 of PTR_SIZE, when appropriate.
1187 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1189 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1190 (USE_ENUM_BITFIELDS): Fix typo.
1192 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1194 * stor-layout.c (place_field): Set rli->offset_align properly.
1196 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1199 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1200 PARM_BOUNDARY): Remove unnecessary casts.
1202 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1204 * calls.c (precompute_arguments): Remove must_preallocate and
1206 (expand_call): Update call of precompute_arguments.
1208 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1209 check_insn_for_givs): Break out from ...
1210 (strength_reduce) ... here; use for_every_insn_in_loop to call
1211 check_insn_for_givs.
1212 * loop.h (for_every_insn_in_loop): Declare.
1213 (loop_insn_callback): New type.
1215 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1217 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1220 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1222 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1225 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1227 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1229 * configure.in: Delete --disable-cpplib option and all
1230 references to cpp_main.
1231 * configure: Regenerate.
1232 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1233 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1234 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1235 cpp$(exeext). Add --no-headers to makeinfo command line when
1236 generating INSTALL. Install and uninstall cpp.1 manpage, not
1238 * install.texi: Delete all references to cexp.y/cexp.c.
1239 Delete ancient instructions for compiling GCC on 3b1.
1240 * INSTALL: Regenerate.
1242 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1243 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1244 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1246 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1247 which is no longer tested anywhere.
1249 * cppinit.c (handle_option): Don't run error message through
1252 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1255 * cpperror.c (hashtab.h): Now include.
1256 * cppexp.c (hashtab.h): Likewise.
1257 * cpplex.c (hashtab.h): Likewise.
1258 * cppfiles.c (hashtab.h): Likewise.
1259 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1260 to htab_find_slot_with_hash.
1261 * cpphash.c (hashtab.h): Now include.
1262 (_cpp_lookup_slot): INSERT is now enum insert_option.
1263 * cpphash.h (_cpp_lookup_slot): Likewise.
1264 * cppinit.c (hashtab.h): Include earlier.
1265 (initialize_builtins): Pass enum to htab_find_slot.
1266 * cpplib.c (hashtab.h): Now include.
1267 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1268 (do_pragma_poison, do_assert): Likewise.
1269 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1270 htab_find_slot_with_hash.
1271 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1272 * tree.c (type_hash_add): Likewise.
1273 (build1): Minor cleanup.
1275 * ggc-common.c: Add missing blanks.
1276 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1277 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1279 * stmt.c (mark_case_node): New function.
1280 (mark_case_nesting): Call it.
1282 * expmed.c (emit_store_flag): If comparing two-word integer
1283 with zero, can optimize NE, EQ, GE, and LT.
1285 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1286 * conflict.c: Minor cleanups.
1287 * optabs.c: Add blank line
1288 * simplify-rtx.c: Minor cleanups.
1290 2000-04-18 Stan Cox <scox@cygnus.com>
1292 * gengenrtl.c (genlegend): Fix misspelling.
1294 2000-04-18 Robert Lipe <robertlipe@usa.net>
1296 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1297 bitfields of the host compiler are not signed quantities.
1298 * config.in: Regenerate.
1299 * configure: Regenerate.
1300 * system.h (USE_ENUM_BITFIELDS): Added.
1301 (ENUM_BITFIELDS): Added.
1302 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1303 (SHORT_ENUM_BUG): Deleted.
1304 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1306 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1307 (CODE_FIELD_BUG): Likewise.
1308 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1310 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1312 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1314 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1317 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1319 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1320 * cpplib.c (do_include, do_import, do_include_next,
1321 read_line_number, detect_if_not_defined): Likewise.
1322 * cpphash.c (collect_expansion): Likewise.
1323 (special_symbol, _cpp_macroexpand): Check return from
1325 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1326 macros. Delete all uses.
1328 * gcc.dg/cpp-mi.c: Add two more test cases.
1329 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1331 2000-04-17 Richard Henderson <rth@cygnus.com>
1333 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1334 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1336 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1338 * function.c (expand_function_start): Use hard_function_value to
1339 compute the RTL to use for DECL_RESULT.
1341 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1343 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1344 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1345 x86_memory_mismatch_stall): New global variables.
1346 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1347 alloved; fix load penalties for Athlon.
1348 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1349 x86_memory_mismatch_stall): Declare.
1350 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1351 TARGET_MEMORY_MISMATCH_STALL): New.
1352 * i386.md (athlon scheduling parameters): Fix latencies according to
1353 Athlon Optimization Manual.
1354 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1356 (fsqrt instruction patterns): Set athlon_decode to direct.
1357 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1358 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1359 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1360 and TARGET_PARTIAL_REGISTER_STALL machines.
1361 (pushdf_nointeger): New pattern.
1362 (pushdf_integer): Rename from pushdf.
1363 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1364 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1366 2000-04-17 Richard Henderson <rth@cygnus.com>
1368 * loop.c (canonicalize_condition): Add WANT_REG argument.
1369 Stop the search if we match it.
1370 * expr.h (canonicalize_condition): Update decl.
1371 * predict.c (expected_value_to_br_prob): Use it. Track last
1372 expected value note.
1373 (find_expected_value): Remove.
1375 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1377 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1379 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1380 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1382 * configure.in: Call AC_FUNC_MMAP_FILE.
1383 * configure: Regenerate.
1384 * config.in: Regenerate.
1386 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1387 * fixinc/fixincl.c: Likewise.
1389 2000-04-17 Richard Henderson <rth@cygnus.com>
1391 * builtins.c (expand_builtin_expect): New.
1392 (expand_builtin): Call it.
1393 * builtins.def (BUILT_IN_EXPECT): New.
1394 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1395 * extend.texi: Document it.
1397 * predict.c (expected_value_to_br_prob): New.
1398 (find_expected_value): New.
1399 * basic-block.h (expected_value_to_br_prob): Declare.
1400 * toplev.c (rest_of_compilation): Invoke it.
1402 * rtl.h (NOTE_EXPECTED_VALUE): New.
1403 (NOTE_INSN_EXPECTED_VALUE): New.
1404 * rtl.c (note_insn_name): Update.
1405 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1406 cases; handle NOTE_INSN_EXPECTED_VALUE.
1408 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1410 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1411 leaf sibcall delay slot if flag_pic.
1412 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1414 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1416 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1418 * fixproto: If fix-header fails, exit with an error.
1420 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1422 * cse.c (struct check_depdendence_data): New.
1423 (check_dependence): New function.
1424 (invalidate): Use check_depdenence.
1426 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1428 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1429 UNITS_PER_WORD is unsigned.
1431 * tree.h (struct tree_common): Remove misleading comment.
1433 2000-04-16 Dave Pitts <dpitts@cozx.com>
1435 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1436 message in quotes. Otherwise, IBM's make program treats the '#' as the
1437 start of a comment and ignores the remainder of the line.
1439 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1441 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1442 * cexp.y (initialize_random_junk): Likewise.
1443 * cppfiles.c (find_include_file): Cast alloca return value.
1444 * cppinit.c (initialize_standard_includes): Likewise.
1445 * cpplib.c (cpp_define, cpp_undef): Likewise.
1446 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1447 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1448 * fold-const.c (CHARMASK): New.
1449 (real_hex_to_f): Use it.
1450 * real.c (CHARMASK): New.
1451 (etoasc, asctoeg): Use it.
1452 (asctoeg): EBCDIC lower case characters preceed upper case.
1454 * i370.c (mvs_add_label): Change spacing for coding conventions.
1455 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1456 outputing case vectors.
1457 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1458 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1459 since vector in in the data CSECT.
1460 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1461 * i370.md (Many patterns): Put the length in the XL directives.
1462 (movdi): Put back STM and MVC in definition.
1463 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1464 pattern using the TCA.
1465 * oe.h (CPP_SPEC): Added to allow trigraphs.
1466 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1467 not support the "long long" type.
1469 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1471 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1473 (mips_reg_mode_ok_for_base_p): Likewise.
1474 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1475 (REG_OK_FOR_INDEX_P): Define unconditionally.
1476 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1477 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1478 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1479 that GET_MODE_SIZE is unsigned.
1480 (mips_reg_mode_ok_for_base_p): Define.
1481 (mips_legitimate_address_p): Likewise. Adjust now
1482 that GET_MODE_SIZE is unsigned.
1483 (block_move_loop): Make the number of bytes unsigned.
1484 (expand_block_move): Likewise.
1485 (function_arg): Make the loop counter unsigned to match the
1488 2000-04-16 Richard Henderson <rth@cygnus.com>
1490 * rtl.h (enum insn_note): New enumeration. Subsume
1491 NOTE_INSN_DELETED and friends.
1492 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1493 * rtl.c (note_insn_name): Tweak string order.
1495 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1497 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1500 * cpplex.c (output_line_command): Remove debugging prints.
1501 (cpp_output_tokens): Don't write out a zero-length buffer or
1502 try to see if it has a newline in it.
1503 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1504 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1505 the end of the loop. Use memmove. Don't read past the end of
1506 the buffer. Remove trailing newlines from error messages.
1508 2004-04-16 Neil Booth <NeilB@earthling.net>
1510 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1511 * cpplib.c: Add new syntax flags to directive table, and
1514 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1516 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1519 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1521 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1522 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1524 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1526 * Makefile.in (ggc-page.o): Now includes toplev.h.
1527 * ggc-page.c (toplev.h): Now included.
1528 (gc_time): Remove declaration.
1529 (ggc_collect): TIME now long.
1530 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1532 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1534 * toplev.c: Make *_time variable long to reduce chance of overflow.
1535 (TIMEVAR): Likewise for `otime'.
1536 (print_time): Arg is now long; compute percentage in FP and round.
1537 * toplev.h (print_time): Arg is long.
1539 * tree.c: Minor whitespace changes.
1541 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1542 * configure: Rebuilt.
1543 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1544 (__fixunsxfDI): Renamed from __fixunsxfdi.
1545 (__fixunsdfDI): Renamed from __fixunsdfdi.
1546 (__fixunssfDI): Renamed from __fixunssfdi.
1547 (__floatdisf): Use proper type in REP_BIT macro.
1548 (__fixunsxfSI): Renamed from __fixunsxfsi.
1549 (__fixunsdfSI): Renamed from __fixunsdfsi.
1550 (__fixunssfSI): Renamed from __fixunssfsi.
1551 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1552 Change location of macros and upper-case some names as above.
1553 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1554 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1556 * varasm.c (assemble_variable): Add cast to remove warning.
1557 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1559 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1560 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1561 region number to -1.
1563 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1565 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1566 call unshare_all_rtl.
1568 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1570 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1572 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1573 Use .s1 not .s0 for all FP instructions.
1575 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1577 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1579 (safe_fwrite, output_line_command): New static functions.
1580 (cpp_expand_to_buffer): Now private to cpplib.
1581 (cpp_scan_buffer): Take a printer.
1583 * cpphash.h: Update prototypes.
1584 * cpplib.h: Update prototypes.
1586 (cpp_buffer): Remove last_nominal_fname.
1587 (cpp_reader): Remove lineno.
1589 * cppmain.c: Use a cpp_printer.
1590 * fix-header.c: No need to inhibit line commands. Call
1591 cpp_start_read with no printer.
1593 * cpperror.c (cpp_notice_from_errno): Provide default name.
1594 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1595 (find_include_file, cpp_read_file): Use make_IHASH.
1596 (file_cleanup): Set control_macro and clear
1597 input_stack_listing_current here.
1598 (_cpp_execute_include): Don't output entering-file marker.
1599 * cpphash.c (special_symbol): Look for the line number in the
1600 buffer, not the reader.
1601 (_cpp_macroexpand): No need to disable line commands.
1602 (_cpp_dump_definition): No need to generate line commands.
1603 (dump_hash_helper): Remove excess newline from output.
1604 * cppinit.c (dump_special_to_buffer): No need to generate line
1606 (cpp_printer_init): New.
1607 (cpp_start_read): Take a printer, and start it up if it's not
1608 NULL. No need to generate line commands.
1609 (cpp_finish): Expect no buffers stacked at all. Take a
1610 printer argument, and flush the output buffer if it's not
1612 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1613 Don't put two hashes at the beginning of an assertion.
1614 (cpp_get_token): Don't increment pfile->lineno or emit line
1615 commands here. Return EOF if there's no buffer when we get
1617 * cpplib.c (do_define, skip_if_group):
1618 No need to disable line commands.
1619 (_cpp_output_line_command): Delete function.
1620 (do_line): Don't emit line commands here, but set things up so
1621 they will be emitted if necessary. Use _cpp_fake_ihash to
1622 make unique nominal_fnames if necessary.
1623 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1624 with 0 for column, not -1.
1625 (_cpp_handle_eof): Don't set the control macro here. Don't
1626 clear input_stack_listing_current here. Don't emit line
1629 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1631 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1632 always, use the default SVR4 start address.
1634 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1635 (LINK_SHLIB_SPEC): Define.
1636 (LINK_START_DEFAULT_SPEC): Define.
1637 (LINK_OS_DEFAULT_SPEC): Define.
1639 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1641 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1642 __do_global_ctors to handle constructors.
1643 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1644 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1645 (STARTFILE_MVME_SPEC): Likewise.
1646 (STARTFILE_SIM_SPEC): Likewise.
1647 (ENDFILE_ADS_SPEC): Use crtend.
1648 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1649 (ENDFILE_MVME_SPEC): Likewise.
1650 (ENDFILE_SIM_SPEC): Likewise.
1651 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1652 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1653 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1654 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1655 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1656 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1657 (CRTSTUFF_T_CFLAGS_S): Define.
1658 * config/rs6000/eabi-ctors.c: Delete.
1660 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1663 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1667 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1669 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1670 plus mask size is smaller or equal to the mode size.
1672 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1674 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1677 * expr.c (reload.h): Now included.
1678 (emit_block_move): Set volatile_ok when checking for movstr.
1679 (emit_move_1): Check for replacements in addresses in multi-word case.
1680 * Makefile.in (expr.o): Now includes reload.h.
1682 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1683 Never have a LIBCALL end a basic block.
1684 (find_basic_blocks_1): Likewise.
1685 Reorganize CALL_INSN cases.
1687 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1689 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1691 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1692 completers from mov.ret instruction.
1694 2000-04-14 Richard Henderson <rth@cygnus.com>
1696 * fold-const.c (extract_muldiv): Don't distribute and widen
1697 multiply across plus for non-sizetype unsigned types.
1699 2000-04-14 Richard Henderson <rth@cygnus.com>
1701 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1702 If the original source is dead in the incr insn, it's dead now.
1704 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1706 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1707 see if DECL_BIT_FIELD needs to still be set.
1709 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1711 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1712 print_int_cst_octal with something that's not an INTEGER_CST.
1714 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1715 and not a SUBREG to a FLOAT rtl.
1717 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1719 * emit-rtl.c (try_split): Avoid infinite loop if the split
1720 results in a sequence that contains the original insn.
1722 2000-04-13 Andreas Jaeger <aj@suse.de>
1724 * config/mips/mips.c (expand_block_move): Pass alignment
1725 argument to move_by_pieces in bits, not bytes.
1727 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1728 __pic__ for little endian.
1730 2000-04-13 Andreas Jaeger <aj@suse.de>
1732 * config/i386/i386-protos.h: Add prototype for
1733 uno_comparison_operator.
1735 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1737 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1738 * calls.c (ECF_PURE): New flag.
1739 (emit_call_1): Handle ECF_PURE calls.
1740 (initialize_argument_information): Unset ECF_PURE flag too.
1741 (precompute_arguments): Precompute for ECF_PURE too.
1742 (expand_call): Handle ECF_PURE calls too.
1743 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1744 accept value of 2 as pure function.
1745 (emit_library_call_value, emit_library_call): Rename no_queue argument
1747 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1749 * tree.h (DECL_IS_PURE): New macro.
1750 (struct tree_decl): Add pure_flag.
1751 * c-common.c (enum attrs): Add attribute "pure".
1752 (init_attributes): Initialize attribute "pure"
1753 (decl_attributes): Handle attribute "pure".
1754 * extend.texi (Attribute "pure"): Document.
1755 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1757 (flags_from_decl_or_type): Support attribute "pure".
1759 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1761 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1762 the token except for numbers and identifiers.
1764 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1766 * i386.c (ix86_expand_binary_operator,
1767 ix86_expand_unary_operator): Check no_new_pseudos
1768 instead of reload_in_progress and reload_completed.
1769 (ix86_split_ashldi, ix86_split_ashrdi,
1770 ix86_split_lshrdi): Check no_new_pseudos instead
1771 of reload_completed.
1773 2000-04-12 Jeffrey A Law (law@cygnus.com)
1775 * function.c (purge_addressof): Unshare any shared rtl created by
1776 purge_addressof and its children.
1778 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1780 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1783 2000-04-05 Andreas Jaeger <aj@suse.de>
1785 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1786 not compiling PIC code, add flags for mabi=64.
1787 (SUBTARGET_CPP_SIZE_SPEC): New.
1788 (SUBTARGET_CPP_SPEC): New.
1789 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1790 for MIPS/Linux and lots of code needs these defines.
1792 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1794 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1795 trying the "opposite arithmetic" approach.
1797 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1799 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1800 (struct sh_args): Add new field force_mem.
1801 (INIT_CUMULATIVE_ARGS): Initialize it.
1802 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1804 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1806 * calls.c (expand_call): Do not reverse args in "equal from" field.
1807 (emit_library_call_value_1): Emit_libcall_block for const and pure
1810 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1812 * reload1.c (reload_combine): Don't enable optimization for fixed
1813 registers when encountering a BARRIER.
1815 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1817 * builtins.c (expand_builtin_memcmp): Do expansion even with
1818 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1820 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1821 stack is propertly aligned; add sanity checking for aligned
1823 (expand_library_call_value_1): Add sanity checking for aligned
1826 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1828 * calls.c (emit_library_call_value_1): Change 3rd arg to
1829 locate_and_pad_parm to disregard the setting of partial.
1831 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1833 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1835 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1836 CALL_INSN from the normal case.
1838 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1840 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1841 New global variables.
1842 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1844 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1846 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1847 TARGET_ADD_ESP_8): New macros.
1848 * i386.md: Add peep2s to convert esp adjustments to push and pop
1850 (pushsi_prologue, popsi_epilogue): New patterns.
1852 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1854 * real.c (toe64): Remove stale #endif from the last change.
1856 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1858 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1859 * real.c (toe64): Revert previous change.
1861 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1863 * objc/objc-act.c: Include ggc.h.
1864 (objc_tree_index, objc_global_trees): Convert most of the
1865 static tree variables into a static array with previous names
1867 (objc_ellipsis_node): New variable.
1868 (lang_init): Call objc_act_parse_init and c_parse_init.
1869 Create objc_ellipsis_node.
1870 (build_selector_translation_table): Use objc_ellipsis_node instead
1872 (hack_method_prototype): Likewise.
1873 (get_arg_type_list): Likewise.
1874 (start_method_def): Likewise.
1875 (continue_method_def): Likewise.
1876 (gen_method_decl): Likewise.
1877 (ggc_mark_imp_list): New function.
1878 (ggc_mark_hash_table): New function.
1879 (objc_act_parse_init): New function.
1880 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1881 * c-parse.in (c_parse_init): For objc add roots of objc specific
1882 local tree variables.
1883 * objc/objc-parse.y: Rebuilt.
1884 * objc/objc-parse.c: Rebuilt.
1885 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1887 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1889 * cse.c (delete_trivially_dead_insns): Also delete insns
1890 that copy a register to itself where the destination is
1893 2000-04-11 Richard Henderson <rth@cygnus.com>
1895 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1896 (propagate_block): Initialize them. Use them in parallel instead
1897 of one tmp variable, ie revert much of the 0408 and 0407 functional
1898 changes, but keep the structural changes.
1899 (mark_set_regs): Take new_dead from propagate_block_info instead.
1900 (mark_set_1, mark_set_reg): Likewise.
1901 (mark_used_regs): Likewise with new_live.
1902 (mark_used_reg): Likewise. Revert 0408 change.
1904 2000-04-11 Nick Clifton <nickc@cygnus.com>
1906 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1908 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1910 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1912 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1913 const section to output a CONSTRUCTOR based on the same conditions
1916 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1918 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1919 * pa/pa-protos.h (output_call): Add additional argument indicating
1920 if the call is a sibling/tail call.
1921 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1922 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1923 (function_arg, function_arg_partial_nregs): Likewise
1924 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1925 (emit_move_sequence): Zero extend certain constants as needed
1927 (compute_zdepdi_operands, output_64bit_and): New functions.
1928 (output_64bit_ior, function_arg): Likewise.
1929 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1930 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1931 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1932 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1933 (output_bvb): Likewise.
1934 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1935 (output_call): New argument 'sibcall'. Generate sibcall sequences
1937 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1938 (ouput_arg_descriptor): Do not emit argument descriptors for
1940 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1942 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1943 (FUNCTION_OK_FOR_SIBALL): Define.
1944 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1945 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1946 (CPP_SPEC): Use new spec infrastructure.
1947 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1948 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1949 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1950 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1951 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1952 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1953 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1954 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1955 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1956 (FUNCTION_ARG); Call out to C code.
1957 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1958 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1959 (MIN_UNITS_PER_WORD): Likewise.
1960 * pa/pa.md (cmpdi): New expander.
1961 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1962 (64bit conditional arithmetic): New patterns.
1963 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1964 (movsicc): Not available if modes on all the operands to not match.
1965 (movdicc): New expander and associated patterns.
1966 (64bit branches): New patterns.
1967 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1968 (pre_ldd, post_std): New patterns.
1969 (64bit addil, load low part): New patterns.
1970 (special movsf constant): Not available for TARGET_64BIT.
1971 (movsf, movdf expanders): Force constants into memory.
1972 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1973 (64bit movdf/movdi patterns): New patterns.
1974 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1976 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1977 (adddi3 expander): Allow "arith_operand" for second input.
1978 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1979 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1980 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1981 (muldi3): New expander for TARGET_64BIT.
1982 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1984 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1985 patterns for TARGET_64BIT.
1986 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1987 patterns for TARGET_64BIT.
1988 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1989 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1990 (sibcall_epilogue): New expander.
1991 (casesi): Tweak for TARGET_64BIT.
1992 (call expanders): Set & use the outgoing argument pointer. Use the
1993 64bit call patterns as needed. Add additional arg to output_call.
1994 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1995 (sibcall, sibcall_internal_symref): New expanders.
1996 (sibcall_value, sibcall_value_internal_symref
1997 (interspace_jump): Turn into an expander + matching patterns.
1998 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1999 * pa/pa64-regs.h: Eliminate trigraph sequences.
2000 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2002 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2004 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2005 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2006 cpp_token with cpp_ttype everywhere.
2007 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2008 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2009 CPP_BUF_COL. Line and column numbers are unsigned int, not
2011 * cpplex.c (cpp_buf_line_and_col): Delete.
2012 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2013 'long lineno' to 'unsigned int lineno'.
2014 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2016 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2018 * extend.texi: ISO C99 is not a draft anymore.
2019 * invoke.texi: ISO C++ is not a draft anymore.
2020 * cpp.texi: __cplusplus is required by the ISO standard.
2022 * extend.texi (-fthis-is-variable): Undocument.
2023 * flags.h (warn_template_debugging): Remove declaration.
2024 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2025 -Wenum-clash, -Wtemplate-debugging): Undocument.
2027 2000-04-10 Nick Clifton <nickc@cygnus.com>
2029 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2031 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2033 (ARM_SIGN_EXTEND): Use HOST_UINT.
2034 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2035 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2036 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2037 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2039 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2040 (arm_gen_constant): Use HOST_UINT.
2041 (arm_canonicalize_constant): Use HOST_UINT.
2042 (arm_reload_in_hi): Use HOST_UINT.
2043 (arm_reload_out_hi): Use HOST_UINT.
2044 (output_multi_immediate): Use HOST_UINT.
2045 (int_log2): Use HOST_UINT.
2046 (arm_poke_function_name): Use HOST_UINT.
2047 (arm_output_epilogue): Use arm_volatile_func().
2048 (output_thumb_prologue): Use arm_strip_name_encoding().
2050 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2052 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2053 of sequence point problems.
2055 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2057 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2059 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2061 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2063 * sbitmap.h: Whitespace changes and use upper-case macro args.
2064 (struct simple_bitmap_def): All sizes now unsigned.
2065 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2066 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2067 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2068 (sbitmap_zero): Cast bzero arg to PTR.
2069 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2070 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2071 loop to make structure clearer.
2072 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2073 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2074 (sbitmap_a_and_b_or_c): Likewise.
2075 (sbitmap_intersection_of_succs): Minor cleanups.
2076 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2077 (sbitmap_union_of_preds): Likewise.
2078 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2079 (debug_sbitmap): New function.
2081 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2082 * c-typeck.c (convert_for_assignment): Likewise.
2084 * expmed.c (init_expmed): Don't free objects we make.
2085 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2087 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2088 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2090 * gcse.c (expr_hash_table_size): Now unsigned.
2091 (compute_ae_gen): Local variable `i' now unsigned.
2092 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2093 (compute_transout, hoist_code): Likewise.
2094 (compute_local_properties): Likewise, also hash_table_size.
2095 (alloc_expr_hash_table): N_INSNS now unsigned.
2096 (delete_null_pointer_checks): Mark arg F as unused.
2098 * regrename.c: Minor cleanups, including chang some variables
2101 2000-04-10 Neil Booth <NeilB@earthling.net>
2103 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2105 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2107 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2109 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2110 __classof__, and __headof__ from the list of gnu keywords.
2111 (-ansi): Remove -foperator-names from list of implied options.
2112 Do not call it ANSI C++.
2113 (-foperator-names): Document as -fno-operator-names.
2115 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2117 * cpphash.c (timestamp): Delete.
2118 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2119 (special_symbol): Remove unnecessary braces. Remove
2120 T_VERSION. Treat T_STDC like T_CONST unless
2121 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2122 when one is encountered, then convert them into T_MCONST
2124 * cppinit.c (builtin_array): version_string is T_MCONST.
2125 __STDC__ has a "1" in its cpval. Don't have a terminator
2126 entry. Clean up which entries are dumped.
2127 (initialize_builtins): Only __STDC__ gets the special
2128 -traditional treatment. Count the length of builtin_array.
2129 Render version_string here.
2130 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2131 * cpplib.h (struct cpp_reader): Remove timebuf.
2133 2000-04-09 Richard Henderson <rth@cygnus.com>
2135 * genrecog.c (pred): Update comparison_operator for the unordered
2138 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2140 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2141 (uno_comparison_operator): New.
2142 (put_condition_code): Handle UNORDERED/ORDERED.
2143 (unsigned_comparison): Likewise.
2144 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2145 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2146 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2147 update all callers. Handle all 8 unordered operators.
2148 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2149 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2150 * config/i386/i386.h (PREDICATE_CODES): Update.
2151 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2152 (ix86_expand_branch, ix86_expand_setcc): Update.
2153 * config/i386/i386.md (sunordered, sordered): New.
2154 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2155 (bunordered, bordered): New.
2156 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2157 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2158 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2160 2000-04-09 Philip Blundell <philb@gnu.org>
2162 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2164 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2166 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2167 fix_truncxfhi2): New patterns.
2168 * i386.c (output_fix_trunc): Handle converting to HImode.
2170 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2172 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2174 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2175 (for_each_successor_phi): Change parameter to basic_block.
2176 (coalesce_regs_in_successor_phi_nodes): Likewise.
2177 (coalesce_regs_in_copies): Likewise.
2178 (compute_coalesced_reg_partition): Use basic_block instead of index.
2179 * rtl.h (convert_to_ssa): Delete.
2180 (convert_from_ssa): Likewise.
2181 (successor_phi_fn): Likewise.
2182 (for_each_successor_phi): Likewise.
2183 (in_ssa_form): Likewise.
2184 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2185 (convert_from_ssa): Likewise.
2186 (successor_phi_fn): Likewise.
2187 (in_ssa_form): Likewise.
2188 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2189 * flow.c (calculate_global_regs_live): Pass a basic_block to
2190 for_each_successor_phi.
2192 2000-04-08 Richard Henderson <rth@cygnus.com>
2194 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2195 was modified in the current insn.
2197 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2199 * arm/thumb.md: Delete.
2200 * arm/thumb-protos.h: Delete.
2202 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2204 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2206 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2208 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2211 * arm.md (nop): Use the standard RTL expression. Don't code as a
2213 (*arm_nop, *thumb_nop): Delete.
2215 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2216 constants. Use casts instead.
2217 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2218 output_multi_immediate, arm_poke_function_name): Likewise.
2219 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2220 MASK_RETURN_ADDDR): Likewise.
2222 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2224 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2227 * arm.md (eh_epilogue): New function.
2228 * arm.h (struct machine_function): Move to here ...
2229 * arm.c: ... from here.
2230 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2231 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2232 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2234 2000-03-30 Nick Clifton <nickc@cygnus.com>
2236 * config/arm/semi.h (ASM_SPEC): Restore definition.
2237 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2239 * config/arm/elf.h (ASM_SPEC): Restore definition.
2240 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2242 * config/arm/arm.h (ASM_SPEC): Remove definition.
2243 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2245 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2247 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2249 2000-03-24 Nick Clifton <nickc@cygnus.com>
2251 Various formating tidyups, elimination of compile time
2252 warnings and synchronisation with internal sources:
2254 * config/arm/arm-protos.h (assemble_align): Add prototype.
2255 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2256 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2257 (arm_return_addr_rtx): Rename to arm_return_addr.
2259 * config/arm/arm.c: Include except.h.
2260 Define shorter typenames for strict minipool_node and struct
2262 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2264 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2265 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2267 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2269 (ASM_SPEC): Define if not already defined.
2270 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2272 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2273 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2274 arm_gen_compare_reg.
2275 (indirect_jump): Only accept register operands.
2276 (load_indirect_jump): Keep this pattern since combine can generate
2279 * config/arm/coff.h: Include aout.h.
2280 (MULTILIB_DEFAULTS): Only define if not already defined.
2282 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2283 into arm.h (so that COFF ports can support thumb based aliases).
2284 (ASM_SPEC): Move definition into arm.h
2286 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2287 redundant apcs spec.
2288 (ASM_SPEC): Move definition to arm.h
2290 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2292 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2293 for entries in the .bss section
2295 2000-03-23 Nick Clifton <nickc@cygnus.com>
2297 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2298 to thumb_far_jump_used_p.
2300 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2301 single integer parameter.
2303 * config/arm/arm.c (struct machine_function): Add two new
2304 fields, 'far_jump_used' and 'arg_pointer_live'.
2305 (thumb_far_jump_used_p): Once the decision has been made that
2306 far jumps might be used, always return true.
2307 If being called from the initial elimination offset macro then
2308 do not bother to perform the test if the arg pointer is not
2310 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2311 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2313 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2315 * arm.c (output_return_instruction): Handle more cases where we can
2316 return from a function with an ldr instruction.
2317 (arm_output_epilogue): Likewise.
2319 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2320 if we need to push a large stack frame and there are no callee-saved
2323 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2324 in ARM code if the frame pointer has been eliminated.
2326 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2327 unspec_volatile arguments to avoid duplicates.
2328 (consttable_1, consttable_2): Fixes for big-endian mode.
2330 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2333 Re-write constant pool code.
2334 * arm.c (minipool_node, minipool_fix): New types.
2335 (minifix): Delete type.
2336 (arm_add_minipool_constant): Delete.
2337 (arm_compute_minipool_offsets, arm_find_barrier,
2338 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2339 (get_jump_table_size): Now returns HOST_WIDE_INT.
2340 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2342 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2343 (assign_minipool_offsets, arm_print_value): Likewise.
2344 (dump_minipool): Rewrite.
2345 (arm_barrier_cost): New function.
2346 (create_fix_barrier): New function.
2347 (push_minipool_barrier): New function.
2348 (push_minipool_fix): Record additional information about the fixup
2350 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2351 check the mode of what needs fixing.
2352 (arm_reorg): Rewrite.
2354 2000-03-08 Nick Clifton <nickc@cygnus.com>
2356 * config/arm/arm.md (indirect_jump): Force constant addresses into
2359 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2361 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2363 2000-02-24 Nick Clifton <nickc@cygnus.com>
2365 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2366 adjust is word aligned.
2367 (thumb_expand_epilogue): Make sure that stack adjust is word
2370 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2372 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2374 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2375 pointer relative addresses.
2377 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2379 * arm.c (find_barrier): Find the last barrier within the allowed
2382 2000-02-09 Nick Clifton <nickc@cygnus.com>
2384 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2386 2000-02-09 Nick Clifton <nickc@cygnus.com>
2388 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2389 ARM_FUNCTION_PROFILER.
2391 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2392 ARM_FUNCTION_PROFILER.
2394 * config/arm/linux-oldld.h: Imported from mainline sources.
2396 2000-02-07 Nick Clifton <nickc@cygnus.com>
2398 * config/arm/lib1funcs.asm: Merge in thumb functions from
2401 * config/arm/lib1thumb.asm: Delete.
2403 2000-02-04 Nick Clifton <nickc@cygnus.com>
2405 * config/arm/arm.c: Sychronised with current Red hat local
2407 * config/arm/arm.h: Ditto.
2408 * config/arm/arm-protos.h: Ditto.
2410 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2412 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2414 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2417 2000-02-02 Nick Clifton <nickc@cygnus.com>
2419 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2421 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2422 (return) was emited using an emit_insn() call.
2424 2000-01-31 Nick Clifton <nickc@cygnus.com>
2426 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2428 (thumb_exit): Move frame pointer back into hard frame pointer
2429 register if backtracing is being used.
2431 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2433 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2436 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2438 * config/arm/arm.md (neg_pool_offset): Provide default for new
2440 (arm_movsi_insn): Add neg_pool_offset attribute.
2441 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2442 rtx for the insn that starts the scan and an unsigned long for its
2443 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2444 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2445 instructions in *PINSERTED.
2446 (struct minipool_fixup): Add MIN_ADDRESS elt.
2447 (sort_fixups): Compute it.
2448 (arm_reorg): Changes to support inserting pools before the insn to be
2451 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2453 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2454 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2455 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2457 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2459 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2461 (TARGET_DEFAULT): Do not define if already defined.
2463 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2465 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2466 (iordi3): Allow disjoint source operands.
2467 (xordi3): Allow disjoint source operands.
2468 (negdi2): Permit construction for ARM and Thumb.
2469 (arm_negdi2): Renamed version of old negdi2 pattern.
2470 (thumb_negdi2): New pattern: Only permit non-overlapping
2471 source and destination.
2473 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2475 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2476 scratch low register so that it will not be deleted.
2478 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2480 * config/arm/pe.h (ARM_PE): Define.
2482 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2483 interfacearm attribute if this is a PE toolchain.
2484 (output_return_instruction): Do not emit anything if the function
2485 has the naked attribute set.
2486 (is_called_in_ARM_mode): If the function has the interfacearm
2487 attribute then return true.
2488 (thumb_expand_prologue): Do not generate a prologue for naked
2490 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2492 (output_thumb_prologue): Do not bother if the function is naked.
2493 Strip PE encoding from function name before emitting.
2495 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2497 * arm.md (pic_load_addr): Fix constraints.
2499 * arm.md (casesi_insn): Fix mis-applied patch.
2501 * arm.md ("core" function unit): Add rules for single- and
2503 (All TARGET_THUMB patterns): Add "type" attribute information
2505 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2506 the following insn is a CALL.
2508 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2510 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2511 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2512 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2514 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2516 * config/arm/linux-gas.h: oops - this file was missed out when the
2517 branch was created...
2519 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2521 * thumb.c: Deleted. Move contents to ...
2523 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2525 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2528 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2529 declare a prototype for asm_output_align();
2531 * arm.c (thumb_condition_code): Delete.
2532 (arm_print_operand): Always use arm_condition_code array.
2534 * arm.c (thumb_return_addr_rtx): Delete.
2535 (arm_save_machine_status, arm_restore_machine_status): Delete.
2536 (arm_init_machine_status, arm_mark_machine_status): New functions.
2537 (arm_init_expanders): Update accordingly.
2538 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2539 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2540 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2542 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2544 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2546 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2549 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2551 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2552 stack backtrace structure.
2554 * config/arm/arm-protos.h: Add prototypes for functions defined in
2557 * config/arm/arm.c (arm_override_options): Fix selection of
2558 attributes of default processor.
2560 * config/arm/coff.h: Delete needless #include.
2562 * config/arm/pe.c: Delete unused code.
2564 * config/arm/pe.h (CPP_DEFINES): Delete
2565 (SUBTARGET_CPP_SPEC): Define.
2566 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2568 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2570 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2572 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2574 (CAN_DEBUG_WITHOUT_FP): Define.
2575 (FIXED_REGISTERS): Make r11 call-saved.
2576 (CALL_USED_REGISTERS): Likewise.
2577 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2578 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2579 frame-pointer is required.
2580 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2581 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2582 if the target normally needs a stack frame in non-leaf functions.
2583 (use_return_insn): Correct logic for determining when a return
2584 instruction can be used.
2585 (output_return_instruction): Handle the frame-pointer register as
2586 a normal register when not TARGET_APCS_FRAME.
2587 (arm_output_prologue): Likewise.
2588 (arm_output_epilogue): Likewise.
2589 (output_func_epilogue): Likewise.
2590 (arm_expand_prologue): Likewise.
2591 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2593 * arm.c (use_return_insn): No need to check floating point regs if
2595 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2596 the code of value stored in the minipool array.
2597 (arm_add_minipool_constant): Likewise.
2599 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2601 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2603 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2605 * tree.c (tree_expr_nonnegative_p): New function.
2607 * tree.h (tree_expr_nonnegative_p): Declare.
2609 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2610 elide some sign_compare warnings.
2611 (build_conditional_expr): Likewise.
2613 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2615 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2617 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2618 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2619 operand. Abort if a 387 operand has an unsupported size.
2621 2000-04-08 Neil Booth <NeilB@earthling.net>
2623 * cppexp.c (parse_charconst): Null does not end character
2625 * cppinit.c (ISTABLE): Null character handled as whitespace.
2626 * cpplex.c (null_warning): new function.
2627 (skip_string): Emit warning if nulls encountered.
2628 (_cpp_skip_hspace): Emit warning if nulls encountered.
2629 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2633 2000-04-07 Richard Henderson <rth@cygnus.com>
2635 * flow.c (loop_depth): Remove.
2636 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2637 (struct propagate_block_info): New.
2638 (life_analysis): Don't allocate reg_next_use.
2639 (propagate_block_delete_insn): Break out of propagate_block.
2640 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2641 (propagate_block_delete_libcall): Likewise.
2642 (propagate_block): Create a propagate_block_info struct to pass
2643 to subroutines. Allocate one not two temporary regsets. Don't
2644 clobber memory for const calls. Look for clobbers in
2645 CALL_INSN_FUNCTION_USAGE.
2646 (mark_set_regs): Recognize COND_EXEC.
2647 (mark_set_reg): Break out of mark_set_1.
2648 (mark_used_reg): Break out of mark_used_regs.
2649 (mark_used_regs): Recognize COND_EXEC.
2650 (insn_dead_p): Use propagate_block_info struct.
2651 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2652 (find_auto_inc, try_pre_increment_1): Likewise.
2653 (print_rtl_with_bb): Dump regs live at end too.
2654 (count_reg_sets_1): Pass in loop_depth.
2655 (count_reg_sets, count_reg_references): Likewise.
2656 (recompute_reg_usage): Provide it.
2658 2000-04-07 Richard Henderson <rth@cygnus.com>
2660 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2663 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2665 * cpplib.c (do_elif): Skip the rest of the line if we're
2666 not going to bother evaluating it.
2667 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2668 to avoid pointless calls to the lexer.
2670 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2672 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2674 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2676 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2678 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2680 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2682 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2684 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2685 crtend so they can be multilibbed.
2686 (STAGESTUFF): Remove s-crt and s-crtS.
2688 2000-04-07 Richard Henderson <rth@cygnus.com>
2690 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2691 if we discover we need a pseudo and no_new_pseudos is true.
2692 * config/alpha/alpha.md (ne:DI insn): New.
2693 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2695 2000-04-07 Richard Henderson <rth@cygnus.com>
2697 * rtl.def (COND_EXEC): New.
2698 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2699 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2701 * genconfig.c (have_cond_arith_flag): Remove.
2702 (have_cond_exec_flag): New.
2703 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2704 (main): Print HAVE_conditional_execution.
2706 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2707 (sched_analyze_insn, print_pattern): Likewise.
2708 * reload.c (find_equiv_reg): Likewise.
2709 * rtlanal.c (reg_referenced_p): Likewise.
2710 (note_stores, dead_or_set_regno_p): Likewise.
2711 (reg_overlap_mentioned_p): Rewrite to use a switch.
2713 * ggc.h (struct rtx_def): Forward declare.
2715 * print-rtl.c (debug_rtx_range): New.
2716 * rtl.h (debug_rtx_range): Declare.
2718 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2720 * gcse.c (gcse_main): Don't rebuild the CFG here.
2721 (delete_null_pointer_checks): Likewise.
2722 * ssa.c (convert_to_ssa): Likewise.
2723 * toplev.c (rest_of_compilation): Do it here instead. Combine
2724 sequential calls to TIMEVAR. Consistently use `insns' instead of
2725 `get_insns()'. Always split insns after reload when optimizing.
2727 * basic-block.h (merge_blocks_nomove): Declare.
2728 (tidy_fallthru_edge): Declare.
2729 * flow.c (merge_blocks_nomove): Document as merging into previous
2730 blocks. Remove cruft from between blocks; remove all edges out of A.
2731 (tidy_fallthru_edge): Export.
2733 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2735 * ssa.c (compute_conservative_reg_partition): Declare with
2737 * toplev.c (clean_dump_file): Remove previously-deleted function
2738 inadvertantly merged back in.
2739 * conflict.c (conflict_graph_add): Use a single call to
2740 htab_find_slot to look up and insert.
2742 2000-04-06 Richard Henderson <rth@cygnus.com>
2744 * genrecog.c (*): Rename _last_insn to last_insn.
2745 (make_insn_sequence): Set the position of the peephole2 C test
2746 to be at the last insn.
2748 2000-04-06 Richard Henderson <rth@cygnus.com>
2750 * flow.c (compute_flow_dominators): Free worklist.
2752 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2754 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2756 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2758 * rtl.h (INSN_P): New macro.
2759 (successor_phi_fn): New typedef.
2760 (for_each_successor_phi): New prototype.
2761 (in_ssa_form): New variable.
2762 (PHI_NODE_P): Likewise.
2763 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2764 phi nodes in successors.
2765 (mark_used_regs): Add PHI case.
2766 (set_phi_alternative_reg): New function.
2767 (life_analysis): Assert that dead code elimination is not selected
2769 * toplev.c (to_ssa_time): New variable.
2770 (from_ssa_time): Likewise.
2771 (compile_file): Zero to_ssa_time and from_ssa_time.
2772 Print time to convert to and from SSA.
2773 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2774 (print_time): Compute percent fraction as integer.
2775 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2776 (convert_to_ssa): Check if we're already in SSA.
2777 Don't eliminate dead code in life_analysis.
2778 Rerun flow and life analysis at bottom.
2779 (eliminate_phi): Use canonical regnos when adding nodes.
2780 (mark_reg_in_phi): New function.
2781 (mark_phi_and_copy_regs): Likewise.
2782 (convert_from_ssa): Rerun life analysis at top.
2783 Use coalesced partition.
2784 Check for removing a phi node at the end of the block.
2785 (compute_coalesced_reg_partition): New function.
2786 (coalesce_regs_in_copies): Likewise.
2787 (coalesce_reg_in_phi): Likewise.
2788 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2789 (for_each_successor_phi): Likewise.
2790 (rename_context): New struct.
2791 (rename_block): Use a rename_context with rename_insn_1. When
2792 renaming sets of a subreg, emit a copy of the entire reg first.
2793 (rename_insn_1): Treat data as a rename_context *. Save current
2795 (rename_set_data): Add field set_insn.
2796 * Makefile.in (HASHTAB_H): Move up in file.
2797 (OBSTACK_H): New macro.
2798 (collect2.o): Use OBSTACK_H in dependencies.
2799 (sdbout.o): Likewise.
2800 (emit-rtl.o): Likewise.
2801 (simplify-rtx.o): Likewise.
2802 (fix-header.o): Likewise.
2803 (OBJS): Add conflict.o.
2804 (conflict.o): New rule.
2805 * basic-block.h: Include partition.h.
2806 (conflict_graph): New typedef.
2807 (conflict_graph_enum_fn): Likewise.
2808 (conflict_graph_new): New prototype.
2809 (conflict_graph_delete): Likewise.
2810 (conflict_graph_add): Likewise.
2811 (conflict_graph_conflict_p): Likewise.
2812 (conflict_graph_enum): Likewise.
2813 (conflict_graph_merge_regs): Likewise.
2814 (conflict_graph_print): Likewise.
2815 (conflict_graph_compute): Likewise.
2816 * conflict.c: New file.
2818 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2820 * tlink.c (read_repo_files): Don't look for .rpo info for
2823 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2825 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2827 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2829 * config/sh/lib1funcs.asm (___udivsi3_i4):
2830 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2831 only depends on FMOVD_WORKS.
2833 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2835 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2836 make double constant 8-byte aligned.
2838 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2840 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2841 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2842 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2843 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2844 Accept storing GENERAL_REGS into offsetable memory.
2845 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2846 building a TFmode constant other than 0.0L into GENERAL_REGS.
2848 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2850 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2852 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2854 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2855 (macro_cleanup): No need to cast pbuf->macro.
2856 (collect_expansion): Use _cpp_get_define_token. Goto done if
2857 it returns VSPACE. Remove check for trailing space after
2859 (_cpp_create_definition): Don't diddle flags here. Return
2861 (unsafe_chars): Handle c1 being EOF.
2862 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2863 checks. Don't push the buffer till after we're done with
2865 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2866 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2867 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2869 (_cpp_parse_assertion): Don't NUL terminate.
2870 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2871 hspace before calling _cpp_parse_assertion. Remove all sets
2872 of only_seen_white. Treat '\f' as hspace. Don't do anything
2873 special with '\n' here.
2874 (maybe_macroexpand): Handle T_EMPTY hash entries without
2875 pushing a buffer at all.
2876 (cpp_get_token): Handle clearing only_seen_white here. Handle
2877 incrementing the line number here. Clear
2878 potential_control_macro as well as only_seen_white, if
2880 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2881 (_cpp_get_define_token): New function, basically like
2882 _cpp_get_directive_token was but doesn't eat horizontal space.
2883 Don't do anything with only_seen_white here.
2884 (_cpp_get_directive_token): Just call _cpp_get_define_token
2885 repeatedly till it returns non-hspace.
2887 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2888 (conditional_skip, skip_if_group): Return int.
2889 (DIRECTIVE_TABLE): Change origin of all conditional directives
2891 (TRAD_DIRECT_P): New macro.
2892 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2893 an error for a bogus directive, unless -lang-asm. Use
2894 TRAD_DIRECT_P. Loop calling handler functions till one returns
2896 (get_macro_name): Don't diddle flags here.
2897 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2898 Create T_EMPTY nodes for #define macro /* nothing */.
2899 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2900 Use hp->name when calling pass_thru_directive.
2901 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2902 Return the result of conditional_skip and/or skip_if_group.
2903 Don't call _cpp_output_line_command.
2904 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2905 Issue -Wtraditional warnings as appropriate. Don't complain
2906 about unrecognized directives. If we are to stop skipping,
2907 return the number of the directive that ended the skip.
2908 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2909 expansion and line commands while skipping. Return the result
2910 of consider_directive_while_skipping, if nonzero.
2911 (do_endif): Just set potential_control_macro here.
2912 (validate_else): Use _cpp_get_directive_token.
2913 (do_assert, do_unassert): Don't save pointers into the
2914 token_buffer across calls to the lexer. Use
2915 _cpp_get_directive_token.
2917 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2918 pointer, not an offset. Replace 'data', which was a generic
2919 pointer, with 'macro', which points to a struct hashnode.
2920 (cpp_reader): Add 'potential_control_macro' pointer.
2921 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2922 (CPP_BUF_GET, CPP_FORWARD): Delete.
2923 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2924 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2925 ACTIVE_MARK_P): Update.
2926 (_cpp_get_define_token): New internal function.
2927 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2929 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2931 * configure.in: And here.
2932 * configure: Regenerate.
2933 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2934 --enable-libstdcxx-v3 is passed at configure time.
2935 * config.h.in: Regenerate.
2937 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2939 * final.c (final): Use xcalloc to allocate line_note_exists.
2940 * function.c (free_after_compilation): Free the temp_slots.
2941 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2942 (combine_temp_slot): Free temp_slots when they get combined.
2943 (purge_addressof): Fix typo in comment.
2944 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2945 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2947 * ggc.h: Include varray.h.
2948 (ggc_pending_trees): Declare.
2949 (ggc_mark_tree_children): Remove declaration.
2950 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2951 * ggc-common.c (ggc_pending_trees): New variable.
2952 (ggc_mark_roots): Call ggc_mark_trees.
2953 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2954 the ggc_pending_trees.
2955 * Makefile.in (GGC_H): New variable. Use it throughout in place
2958 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2960 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2963 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2965 * sh.c (sh_insn_length_adjustment): New function.
2966 * sh-protos.h (sh_insn_length_adjustment): Declare.
2967 * sh.h (ADJUST_INSN_LENGTH): Use it.
2969 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2971 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2972 from the insn where REG_RETVAL is added.
2973 (emit_no_conflict_block): Ditto.
2975 * md.texi (Standard Names): Clarify when movX is needed.
2977 * combine.c (simplify_comparison) [MINUS]: Do not replace
2978 all (op (minus A B) 0) with (op A B).
2980 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2981 J"orn Rennecke <amylaar@cygnus.co.uk>
2983 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2984 (block_lump_real): Likewise.
2986 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2988 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2989 remaining non-zero debugging masks.
2991 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2993 * basic-block.h (verify_flow_info): Declare.
2994 (flow_loop_outside_edge_p): Declare.
2995 * flow.c (verify_flow_info): Remove declaration.
2996 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2998 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3000 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3003 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3005 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3006 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3007 seqdi_zero_trunc+1): Allow splits only if registers are
3010 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3012 * acconfig.h: Add HAVE_GAS_HIDDEN.
3013 * config.in: Regenerated.
3014 * configure.in: Add test for .hidden pseudo-op in gas.
3015 * configure: Regenerated.
3016 * crtstuff.c: Include auto-host.h.
3017 Emit additional .hidden pseudo-op for __dso_handle if the
3018 assembler knows about it.
3020 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3022 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3023 before freeing argnames.
3024 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3026 2000-04-05 Michael Meissner <meissner@redhat.com>
3028 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3029 Walton <jonboy@gordian.com> to make memory references with update
3030 work wtih -mregnames.
3032 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3034 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3035 (regrename_optimize): Rename variables `def_uses' and
3036 `ext_basic_blocks' to avoid conflicts with similarly named
3037 typedefs in traditional C.
3039 * calls.c (initialize_argument_information): Fix typo in previous
3042 2000-04-04 Richard Henderson <rth@cygnus.com>
3044 * regrename.c (consider_available): Test fixed_regs not
3045 PIC_OFFSET_TABLE_REGNUM.
3047 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3049 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3051 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3052 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3053 (ENDFILE_LINUX_SPEC): Always use crtend.
3054 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3055 (powerpc-*-linux-gnu): Likewise.
3056 * configure: Regenerate.
3058 * config/rs6000/eabi.h: Don't include sysv4.h.
3059 (MULTILIB_DEFAULTS): Don't define.
3060 * config/rs6000/eabiaix.h: Don't include eabi.h.
3061 * config/rs6000/eabile.h: Delete.
3062 * config/rs6000/eabilesim.h: Delete.
3063 * config/rs6000/eabisim.h: Don't include eabi.h.
3064 * config/rs6000/linux.h: Don't include sysv4.h.
3065 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3066 (MULTILIB_DEFAULTS): Don't redefine.
3067 * config/rs6000/rtems.h: Don't include eabi.h.
3068 * config/rs6000/sol2.h: Don't include sysv4le.h.
3069 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3070 * config/rs6000/t-ppc: Delete.
3071 * config/rs6000/t-ppcgas: Correct comment.
3072 * config/rs6000/t-ppcos: Correct comment. Don't build
3073 multilibs for -fPIC, rather use -fPIC -mstrict-align
3075 * config/rs6000/t-ppc: Delete.
3076 * config/rs6000/vxppc.h: Don't include sysv4.h.
3077 * config/rs6000/vxppcle.h: Delete.
3078 * configure.in: Use multiple header files for p2pc ELF targets
3079 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3080 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3081 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3082 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3083 always available for these platforms.
3085 2000-04-04 Richard Henderson <rth@cygnus.com>
3087 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3089 2000-04-04 Stan Cox <scox@cygnus.com>
3091 * Makefile.in: Add rules for regrename.o
3092 * regrename.c: New file.
3093 * rtl.h (regrename_optimize): Add prototype.
3094 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3095 (compile_file, decode_d_option): Add support for -frename-registers.
3096 (rest_of_compilation): Call regrename_optimize.
3097 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3100 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3102 * Makefile (gccbug): New target.
3103 (doc): Depend on it.
3104 * gcc.texi (Bugs): Link subnodes.
3106 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3107 Document severities, priorities, and classes in bug form.
3109 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3111 * cpplex.c (trigraph_map, speccase): Combine into single
3113 (NORMAL, NONTRI): New macros.
3114 (_cpp_read_and_prescan): Change to use unified table. Use
3115 is_hspace to test for whitespace.
3117 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3118 definition that doesn't provoke the "empty body in an
3119 if-statement" warning.
3121 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3123 * builtins.c (expand_builtin_strlen): Force the source to
3124 be a memory address.
3126 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3128 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3130 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3132 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3133 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3134 (ECF_IS_CONST): Rename to ECF_CONST.
3135 (special_function_p): Make static, change interface.
3136 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3137 (expand_call) ... here; convert number of variables to flags.
3138 (emit_library_call_vlue_1): Likewise.
3139 (setjmp_call_p): New function.
3140 (initialize_argument_information): Accepts flags as argument;
3142 (precompute_arguments): Likewise.
3143 * tree.h (special_function_p): Remove.
3144 (setjmp_call_p): Add prototype.
3146 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3148 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3149 so that addresses are offsetable by up to 16 bytes.
3150 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3151 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3154 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3155 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3156 (movsf): Don't force any constant to memory if target is integer
3158 Move fp_zero_operand check below the const0_rtx check.
3159 (movtf): Likewise. Also allow fp_zero_operand for stores into
3161 (movdf): Likewise. Also allow fp_zero_operand for stores into
3162 memory and into integer hard registers.
3163 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3164 movdf_const_intreg_sp64): Remove.
3165 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3167 (movdf_no_e_insn_v9_sp32): New pattern.
3168 (movdf_insn_v9only): Remove.
3169 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3170 (movdf_insn_sp64): Remove.
3171 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3172 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3173 (following splits): Rewrite conditions. Add two new splits
3174 for storing 0.0 into memory and registers.
3175 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3176 (movtf_insn_sp32): Redo constraints and conditions.
3177 (movtf_insn_vis_sp32): New pattern.
3178 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3179 (movtf_insn_hq_sp64): Likewise.
3180 (movtf_insn_hq_vis_sp64): New pattern.
3181 (movtf_insn_sp64): Redo constraints and conditions.
3182 (movtf_insn_vis_sp64): New pattern.
3183 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3184 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3186 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3187 -mvis or -m64 to take down the number of various reload patterns.
3189 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3191 * pa/pa-64.h: New file.
3192 * pa/pa64-regs.h: New file.
3193 * pa/pa64-start.h: New file.
3194 * pa/t-pa64: New file.
3195 * pa/xm-pa64hpux.h: New file.
3197 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3199 * sparc.c (output_restore_regs): Prototype.
3200 (sparc_emit_float_lib_cmp): Constification.
3202 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3204 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3207 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3208 (get_value_hash, hash_rtx): Likewise.
3210 * ssa.c (compute_conservative_reg_partition): Prototype.
3212 * tree.c (mark_hash_entry): Prototype.
3214 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3216 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3217 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3218 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3220 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3221 * objc/lang-specs.h: Likewise.
3223 2000-04-03 Neil Booth <NeilB@earthling.net>
3225 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3226 and SYNTAX_ERROR2. Replace `' in messages with ''.
3227 (op_to_str): Make re-entrant.
3228 (_cpp_parse_expr): Implement new error macros. Use | rather
3229 than || to logically or 2 boolean integers. Simply expression
3230 checking we have a left operand iff needed.
3232 2000-04-03 Nick Clifton <nickc@cygnus.com>
3234 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3236 2000-04-03 Philip Blundell <philb@gnu.org>
3238 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3240 2000-04-03 Felix Lee <flee@cygnus.com>
3242 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3243 (run_shell): Use it.
3245 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3247 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3248 (stmp-fixproto): ...rather than here.
3250 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3252 * pa.c (print_operand): Compute 'base' only inside the code paths
3255 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3257 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3260 2000-04-03 Philipp Thomas <pthomas@suse.de>
3262 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3264 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3266 * Makefile.in (alias.o): Depend on $(TREE_H).
3268 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3270 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3272 * cpplib.c (_cpp_handle_directive): Improve warnings for
3273 traditional C and indented directives.
3275 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3276 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3277 fixinc/inclhack.def: Indent the # of #include_next one space.
3278 * cp/rtti.c: Un-indent #if and #endif.
3280 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3281 syntax error, but an error has already been printed.
3282 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3283 message when called with nothing remaining on the line.
3284 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3285 OTHER token, not an ASSERTION.
3286 * cpplib.c (do_assert): When we create a 'base' node, clear
3287 its aschain pointer.
3289 2000-04-02 Neil Booth <NeilB@earthling.net>
3291 * cppexp.c: New typedef op_t. struct operation and struct
3292 token updated to use it.
3293 (op_to_str): New function.
3294 (_cpp_parse_expr): Error messages modified to use op_to_str.
3296 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3298 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3299 before checking MUST_PASS_IN_STACK.
3301 2000-04-02 Neil Booth <NeilB@earthling.net>
3303 * cppexp.c: New FINISHED dummy token. Combine operator initial
3304 flags and initial priority into a single constant. New
3305 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3306 (_parse_cpp_expr): Implement new constants. Take left operand
3307 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3308 parse indicated by reducing FINISHED token. Remove new lines
3309 from cpp_error messages.
3311 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3313 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3316 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3318 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3319 directive. Add origin values to DIRECTIVE_TABLE. Generate
3320 the strings and function names on the fly. Take the #sccs
3321 entry out of the table if SCCS_DIRECTIVE is not defined.
3322 (_cpp_handle_directive): Decide if the # was at the beginning
3323 of the line here. Issue -pedantic warnings for extended
3324 directives here. Warn about K+R directives with the #
3325 indented, and C89/extended directives with the # not indented,
3327 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3328 do_assert, do_unassert): Don't issue pedantic warning here.
3330 * cpphash.h: Add CPP_WTRADITIONAL macro.
3331 * cpplib.h (struct cpp_options): Rename warn_stringify to
3332 warn_traditional; update comments.
3333 * cppinit.c (handle_option): Set warn_traditional not
3335 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3336 CPP_WTRADITIONAL (pfile).
3337 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3338 be ignored in -traditional mode here.
3340 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3341 to initialize speccase[] and trigraph_map[]. Delete all
3342 references to pfile->input_speccase. Always treat '?' as a
3343 special character. Remove table-initialization code from
3344 _cpp_init_input_buffer.
3346 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3347 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3349 2000-04-01 Richard Henderson <rth@cygnus.com>
3351 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3352 (mostlyclean): Likewise.
3354 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3355 (struct dump_file_info, enum dump_file_index, dump_file): New.
3356 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3357 not a string. Clean out file if we havn't yet done so. Do nothing
3358 if the dump isn't enabled.
3359 (close_dump_file): Do nothing if the dump isn't open. Dump
3360 graph data if requested.
3361 (dump_rtl, clean_dump_file): Remove.
3362 (compile_file): Don't clean the dump files. Only finalize .bp dump
3363 if flag_test_coverage or flag_branch_probabilities. Only finalize
3364 .combine dump if optimizing. Iterate over dump_file to finalize the
3366 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3367 Convert all uses of dump_rtl.
3368 (decode_d_option): Iterate over dump_file to implement 'a' and to
3369 locate pass-specific dumps.
3371 2000-04-01 Neil Booth <NeilB@earthling.net>
3373 * cppexp.c: Redefine priority constants.
3374 (_cpp_parse_expr): Replace left and right priority scheme with
3375 single priority logic. Move LOGICAL to same place as COMPARE.
3376 Remove bogus check for multiple unary +/- operators.
3378 2000-04-01 Neil Booth <NeilB@earthling.net>
3380 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3381 within the switch statement. Binary operations break out of
3382 the switch naturally. '(' tokens handled by forcing
3383 immediate shift. ')' handled by forcing immediate reduce to
3384 the previous '('. New error messages.
3386 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3388 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3389 part', it's already in use. Use %K instead. Add a return at the
3390 end of what is now %K.
3391 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3393 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3395 * builtins.c (expand_builtin_apply): Pass proper parameters to
3396 allocate_dynamic_stack_space.
3397 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3398 update stack_pointer_delta; do not update arg_size_so_far.
3399 (compute_argument_block_size): Use stack_delta instead of
3400 stack_pointer_pending and arg_size_so_far.
3401 (expand_call): Add sanity checking for stack_pointer_delta;
3402 save and restore stack_pointer_delta for SIB, use
3403 stack_pointer_delta for alignment; do not update arg_space_so_far.
3404 (emit_library_call_value): Use stack_pointer_delta for alignment.
3405 (store_one_arg): Do not update arg_space_so_far.
3406 * explow.c (adjust_stack, anti_adjust_stack): Update
3407 stack_pointer_delta.
3408 (allocate_dynamic_stack_space): Add sanity checking for
3409 stack_pointer_delta.
3410 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3411 stack_pointer_delta.
3412 (emit_push_insn): Update stack_pointer_delta.
3413 * function.h (struct expr_status): Add x_stack_pointer_delta;
3414 remove x_arg_space_so_far.
3415 (arg_space_so_far): Remove.
3416 (stack_pointer_delta): New macro.
3418 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3420 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3421 Reorder struct cpp_options and struct cpp_reader for better
3422 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3423 takes two args. Change all 'char' flags to 'unsigned char'.
3424 Move show_column flag into struct cpp_options. Don't
3425 prototype cpp_options_init.
3426 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3427 cppinit.c, cpplex.c, cpplib.c:
3428 Replace CPP_OPTIONS (pfile)->whatever with
3429 CPP_OPTION (pfile, whatever), and likewise for
3430 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3432 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3433 Extract CPP_OPTION (pfile, pending) and work with that
3435 (cpp_options_init): Delete.
3436 (cpp_reader_init): Turn on on-by-default options here.
3437 Allocate the pending structure here.
3438 (cl_options, enum opt_code): Define these from the same table,
3439 kept in a large macro. Add -fshow-column and -fno-show-column
3442 * cpperror.c (v_message): If show_column is off, don't print
3445 * cppmain.c: Update for new interface.
3446 * fix-header.c: Likewise.
3448 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3450 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3452 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3453 are passed to any invocation of AR_FOR_TARGET.
3454 (AR_CREATE_FOR_TARGET): New macro.
3455 (AR_EXTRACT_FOR_TARGET): New macro.
3456 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3457 AR_EXTRACT_FOR_TARGET.
3458 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3459 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3460 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3461 AR_EXTRACT_FOR_TARGET to sub-makes.
3463 2000-03-31 Neil Booth <NeilB@earthling.net>
3465 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3467 (_cpp_parse_expr): Check for multiple unary +/- operators.
3468 Correct priorities of ':' and '?'. Treat ')' as having a
3469 value. Ensure conditional expression is not void.
3471 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3473 * alias.c (canon_rtx): Make it global.
3474 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3476 * cse.c (struct table_elt): Add canon_exp.
3478 (invalidate): Canonicalize expressions only once.
3479 * rtl.h (canon_rtx): Declare.
3481 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3483 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3484 * alias.c (reg_known_value): Add comments.
3485 (init_alias_analysis): Likewise.
3486 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3488 (cse_basic_block): Fix typo in comment.
3489 * emit-rtl.c: Include hashtab.h.
3490 (const_int_htab): New variable.
3491 (const_int_htab_hash): New function.
3492 (const_int_htab_eq): Likewise.
3493 (rtx_htab_mark_1): Likewise.
3494 (rtx_htab_mark): Likewise.
3495 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3496 (unshare_all_rtx): Fix formatting.
3497 (init_emit_once): Initialize const_int_htab.
3498 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3500 * rtl.texi: Document the fact that all CONST_INTs with the same
3503 2000-03-30 Richard Henderson <rth@cygnus.com>
3505 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3507 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3509 * configure.in: Comment out --enable-c-cpplib stanza.
3510 * configure: Regenerate.
3512 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3514 * expr.c (store_constructor): Properly compute displacement and
3515 alignment when offset is variable.
3517 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3518 cases of alignment in bytes.
3520 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3522 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3523 since it is used to generate c-parse.y.
3524 * objc-parse.c, objc-parse.y: Regenerated.
3526 * function.c (expand_function_end): Pass alignment argument to
3527 emit_block_move in bits, not bytes.
3529 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3531 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3534 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3536 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3537 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3538 * function.c (assign_parms): Likewise.
3539 * integrate.c (expand_inline_function): Likewise.
3540 * stmt.c (expand_decl): Likewise.
3541 (copy_rtx_and_substitute): Likewise.
3542 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3543 (clear_by_pieces): Fix error in last change.
3544 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3545 * function.h (regno_pointer_align): Now unsigned.
3546 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3548 * config/i386/i386.c (aligned_operand): Likewise.
3549 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3550 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3551 (unaligned_memory_operand): Likewise.
3552 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3553 Also make alignments and sizes unsigned and some whitespace cleanup.
3554 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3556 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3557 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3558 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3559 (expand_builtin_memset): Likewise, but to clear_storage.
3560 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3561 (restore_fixed_argument_area): Likewise.
3562 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3563 (load_register_parameters): Likewise, to emit_group_load.
3564 (expand_call): Likewise, to emit_group_store and emit_block_move.
3565 (emit_library_call_value_1): Likewise, to emit_block_move.
3566 (store_one_arg): Likewise, and to emit_push_insn.
3567 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3568 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3569 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3570 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3571 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3572 (expand_assigment, store_expr, store_constructor_field): Likewise.
3573 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3574 (store_constructor, store_field, get_inner_reference): Likewise.
3575 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3576 (expand_expr, case COMPONENT_REF): Likewise.
3577 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3578 and positions; reindent code.
3579 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3580 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3581 (assign_parms): Likewise to emit_group_store.
3582 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3583 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3584 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3585 (expand_return): Likewise to {extract,store}_bit_field.
3586 * stor-layout.c (get_mode_alignment): Minor cleanup.
3587 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3588 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3590 2000-03-29 Nick Clifton <nickc@cygnus.com>
3592 * config/arm/arm.h: Undo effects of previous delta:
3593 (ASM_SPEC): Do not define.
3594 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3596 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3599 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3601 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3602 only after reading in the primary source file.
3604 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3606 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3607 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3608 or a reference to a va_list.
3609 * builtins.c (stabilize_va_list): Simplify now we don't have to
3610 work around C array address decay.
3611 * c-typeck.c (convert_for_assignment): Handle assignment to
3612 a reference parameter by taking the address of the RHS.
3613 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3614 (va_copy): Likewise.
3615 (__va_copy): Likewise.
3616 * ginclude/varargs.h (va_start): Likewise.
3617 (__va_copy): Likewise.
3619 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3621 * i386/djgpp.h: Remove extraneous "+".
3623 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3625 * calls.c (expand_call): Fix typo in last change.
3627 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3629 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3632 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3634 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3635 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3636 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3637 * tree.c (bit_position, byte_position): Likewise.
3638 * tree.h: Declare new functions.
3640 2000-03-29 Nick Clifton <nickc@cygnus.com>
3642 * config/arm/arm.c: Minor formatting changes/
3643 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3645 (ASM_SPEC): Define if not already defined.
3647 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3649 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3652 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3654 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3655 value, don't output it as unsigned.
3657 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3659 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3661 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3663 * c-common.c (c_common_nodes_and_builtins): Don't special case
3664 cplus_mode when declaring builtin bzero/bcmp, always avoid
3665 prototype arguments.
3667 2000-03-29 Bruce Korb <bkorb@gnu.org>
3669 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3672 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3674 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3675 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3676 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3677 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3678 (save_fixed_argument_area, restore_fixed_argument_area):
3679 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3680 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3681 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3682 (precompute_register_parameters): Avoid #ifdefs on
3683 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3684 (stire_one_args): Likewise.
3685 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3686 (emit_library_call_value_1): Likewise.
3687 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3688 ACCUMULATE_OUTGOING_ARGS.
3689 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3691 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3692 (use_crosses_set_p): Likewise.
3693 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3694 #define ACCUMULATE_OUTGOING_ARGS 1.
3695 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3697 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3699 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3700 (TARGET_SWITCHES): Add push-args, no-push-args,
3701 accumulate-outgoing-args and no-accumulate-outgoing-args.
3702 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3703 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3704 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3706 (emit_push_insn): Likewise.
3707 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3708 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3709 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3710 (STACK_DYNAMIC_OFFSET): Define correctly for both
3711 ACCUMULATE_OUTGOING_ARGS and normal mode.
3712 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3713 * tm.texi (PUSH_ARGS): Document.
3714 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3716 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3718 * flags.h (flag_optimize_sibling_calls): Declare.
3719 * calls.c (expand_call): Fail sibcall when
3720 !flag_optimize_sibling_calls
3721 * invoke.texi (flag_optimize_sibling_calls): Document.
3722 * toplev.c (flag_optimize_sibling_calls): New global variable.
3723 (f_options): Add flag_optimize_sibling_calls.
3724 (rest_of_compilation): Conditionize
3725 optimize_sibling_and_tail_recursive_calls by
3726 flag_optimize_sibling_calls.
3727 (main): Set flag_optimize_sibling_calls for -O2.
3728 * stmt.c (expand_return): Conditionize tail recursion by
3729 flag_optimize_sibling_calls.
3731 2000-03-29 Richard Henderson <rth@cygnus.com>
3733 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3734 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3736 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3738 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3740 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3742 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3744 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3745 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3746 * config/rs6000/aix.h: then modified likewise.
3748 2000-03-28 Richard Henderson <rth@cygnus.com>
3750 * rtl.h: Redistribute enum reg_note documentation.
3751 Kill trailing whitespace.
3752 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3753 Kill trailing whitespace.
3755 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3757 * cppfiles.c (hash_IHASH): Just return i->hash.
3758 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3759 htab_find_with_hash.
3760 (cpp_read_file): Likewise.
3761 (find_include_file): Likewise. Properly initialize
3762 ih->nshort. Share ih->name and ih->nshort if possible.
3763 * cpphash.c (_cpp_calc_hash): New function.
3764 (hash_HASHNODE): Just return h->hash.
3765 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3766 htab_find_with_hash.
3767 * cpphash.h: Prototype _cpp_calc_hash.
3768 * cppinit.c (initialize_builtins): Provide a valid hash
3769 to _cpp_make_hashnode, using _cpp_calc_hash.
3771 * cpphash.c (collect_expansion): # is not a special character
3772 in object-like macros. In -traditional mode, /**/ is not
3773 token paste at the beginning or end of the line.
3774 * cpplib.c (do_include, do_import, do_include_next): If
3775 parse_include fails, return immediately.
3777 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3779 * config/arm/arm.md (return peepholes): Update to reflect the new
3781 * config/arm/arm.c (arm_volatile_func): Also check
3782 current_function_nothrow.
3783 (output_return_instruction, output_func_prologue): Use it.
3784 (arm_output_epilogue, arm_expand_prologue): Likewise.
3786 2000-03-27 Tom Tromey <tromey@cygnus.com>
3788 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3791 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3793 * expr.c (store_constructor): SIZE now signed.
3794 For EXPR_SIZE, don't evaluate size; just needed if constant.
3795 * fold-const.c (fold): Fix a number of cases when folded tree is
3797 * function.c (flush_addressof): Reenable.
3798 * tree.h (flush_addressof): Likewise.
3799 * toplev.c (independent_decode_option): Look at strings_processed.
3800 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3802 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3804 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3805 Allow stack adjustment after function call.
3807 * regmove.c (struct csa_memlist): Make mem field rtx *.
3808 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3809 (try_apply_stack_adjustment): Replace whole MEM rtx.
3810 (combine_stack_adjustments_for_block): Update calls
3811 to record_one_stack_ref.
3813 2000-03-28 Neil Booth <NeilB@earthling.net>
3815 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3816 '\\' rather than a null character, so nulls are not special. Fix
3817 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3818 speed trigraph conversion.
3819 (_cpp_init_input_buffer): Initialize trigraph map.
3821 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3823 * config/i386/i386.c (output_387_binary_op): Correct intel
3824 mode assembly output, and add spaces after commas in AT&T
3825 output. Correct Unixware assembler comment. Document input
3826 constraints. Comment fp operations. Reduce profligate buffer
3827 size. Remove extraneous abort. Localize temp var.
3828 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3829 (output_fix_trunc): Add spaces after commas in assembly output.
3831 2000-03-27 Richard Henderson <rth@cygnus.com>
3833 * i386-protos.h (ix86_match_ccmode): Declare.
3834 * i386.c (ix86_match_ccmode): New.
3835 (ix86_expand_fp_compare): Update for pattern renames.
3836 (ix86_expand_strlensi_unroll_1): Likewise.
3837 * i386.h (EXTRA_CC_MODES): Add CCZ.
3838 (SELECT_CC_MODE): Use it for EQ/NE zero.
3839 * i386.md (cmpsi_ccz_1): New.
3841 (*testsi_ccz_1): New.
3842 (testqi_ccz_1): New.
3843 (cmpsi_ccno_1): Rename from cmpsi_0.
3844 (testsi_ccno_1): Rename from testsi_1.
3845 (testqi_ccno_1): Rename from testqi_1.
3846 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3847 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3848 (*cmphi_0): Use ix86_match_ccmode.
3849 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3850 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3851 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3852 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3853 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3854 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3855 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3856 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3857 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3858 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3859 (appropriate peepholes): Likewise.
3860 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3861 (*subsi_3, *subhi_3, *subqi_3): Remove.
3862 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3863 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3864 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3865 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3866 (x86_shift_adj_1): Use CCZ.
3867 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3869 2000-03-27 Stan Cox <scox@cygnus.com>
3871 * resource.h (mark_resource_type): New.
3872 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3873 find_free_register): Use mark_resource_type.
3874 (mark_set_resources): Change include_delayed_effects
3875 to mark_resource_type.
3876 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3877 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3878 Use mark_resource_type.
3880 2000-03-27 Richard Henderson <rth@cygnus.com>
3882 * i386.md (call_pop_0, call_value_pop_0): New.
3883 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3884 (call_value_pop_1): Likewise.
3885 (call_0, call_value_0): New.
3886 (call_1, call_value_1): Remove constraint from unused arg.
3888 2000-03-27 Nick Clifton <nickc@cygnus.com>
3890 * invoke.texi (Spec Files): Document new spec % command created by
3891 Tom Tromey's recent patch.
3893 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3895 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3898 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3900 * expr.c (expand_assignment): Fix typo in last change.
3902 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3904 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3906 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3907 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3908 and DECL_INLINE if FUNCTION_DECL.
3909 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3910 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3911 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3912 (combine_parm_decls): Likewise.
3913 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3914 * print-tree.c (print_node): Likewise.
3915 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3916 DECL_TRANSPARENT_UNION on proper decl types.
3917 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3918 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3919 DECL_BIT_FIELD of FIELD_DECL.
3920 * tree.h (DECL_RESULT_FLD): New macro.
3922 * expr.c (expand_assignment): Add code to handle variable-sized
3925 2000-03-26 Richard Henderson <rth@cygnus.com>
3927 * calls.c (expand_call): Pass parms not original exp to
3928 optimize_tail_recursion. Mind return value instead of looking
3930 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3931 call_expr. Move checks for call_expr and current_function_decl ...
3932 (expand_return): ... here.
3934 2000-03-26 Tom Tromey <tromey@cygnus.com>
3936 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3937 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3939 (process_command): Use them.
3940 (check_live_switch): Likewise.
3941 (give_switch): Skip ignored switches.
3943 2000-03-26 Jan Hubicka <jh@suse.cz>
3945 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3946 for minimal jump pass test.
3948 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3950 * integrate.c (function_cannot_inline_p): Do inline functions that
3953 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3955 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3956 now a list of TREE_LIST entries, not types.
3957 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3959 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3960 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3962 * config/mips/mips.c (function_arg): Likewise; also remove cast
3963 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3964 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3965 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3966 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3967 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3968 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3969 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3970 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3971 num_adjusts now unsigned.
3972 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3973 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3975 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3976 as is BITPOS variable; use host_integerp and int_bit_position.
3977 (function_arg_record_value_2): Likewise.
3978 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3979 Variable REGNO now unsigned.
3980 (function_arg_record_value): NREGS now unsigned.
3982 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3984 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3986 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3988 * Rework fields used to describe positions of bitfields and
3989 modify sizes to be unsigned and use HOST_WIDE_INT.
3990 * alias.c (reg_known_value_size): Now unsigned.
3991 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3992 (really_start_incremental_init): Use bitsize_zero_node.
3993 (push_init_level, pop_init_level, output_init_element): Likewise.
3994 Use bitsize_unit_node and bitsize_one_node.
3995 (output_pending_init_elements, process_init_element): Likewise.
3996 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3997 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3998 HOST_WIDE_INT, respectively.
3999 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4000 (num_sign_bit_copies): Returns unsigned.
4001 BITWIDTH now unsigned; rework arithmetic.
4002 Remove recursive call from arg to MAX.
4003 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4004 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4006 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4007 (find_split_point, expand_compound_operation, make_extraction): LEN
4008 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4009 (make_field_assignment): Likewise.
4010 (combine_simplify_rtx): Add cast.
4011 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4012 (force_to_mode): WIDTH now unsigned; add cast.
4013 (if_then_else_cond): SIZE now unsigned.
4014 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4015 (extended_count): Now returns unsigned.
4016 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4017 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4018 (simplify_comparison): MODE_WIDTH now unsigned.
4019 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4020 (mark_used_regs_combine): Likewise; rework arithmetic.
4021 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4022 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4023 (record_promoted_value): REGNO now unsigned.
4024 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4025 (get_last_value): REGNO now unsigned.
4026 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4027 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4028 (remove_death): Arg REGNO now unsigned.
4029 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4030 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4032 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4033 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4034 (struct cse_reg_info): REGNO now unsigned.
4035 (cached_regno): Now unsigned.
4036 (REGNO_QTY_VALID_P): Add cast.
4037 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4038 (remove_invalid_regs): Likewise.
4039 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4040 as are variables END and I.
4041 (get_cse_reg_info, insert): Likewise.
4042 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4043 (canon_hash): Likewise.
4044 (insert_regs, lookup_for_remove): REGNO now unsigned.
4045 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4047 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4048 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4049 * emit-rtl.c (subreg_realpart_p): Add cast.
4050 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4051 (operand_subword_force): Arg I is now unsigned.
4052 * except.c (eh_regs): Variable I is now unsigned.
4053 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4054 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4055 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4056 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4057 (extract_split_bit_field, store_bit_field, extract_bit_field):
4059 * expr.c (store_constructor_fields, store_constructor, store_field):
4060 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4061 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4062 (do_jump): Likewise.
4063 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4064 MAX_SIZE is now unsigned.
4065 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4066 (emit_group_store): Likewise.
4067 (emit_move_insn): I now unsigned.
4068 (store_constructor): Use host_integerp, tree_low_cst, and
4070 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4071 Rework all calculations to use trees and new fields.
4072 * expr.h (promoted_input_arg): Regno now unsigned.
4073 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4074 (mark_seen_cases): Arg is HOST_WIDE_INT.
4075 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4076 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4077 precisions and alignments are unsigned.
4078 (optimize_bit_field_compare, fold_truthop): Likewise.
4079 (int_const_binop): Adjust threshold for size_int_type_wide call.
4080 (fold_convert): Likewise.
4081 (size_int_type_wide): Make table larger and fix thinko that only
4082 had half of table used.
4083 (all_ones_mask_p, fold): Precisions are unsigned.
4084 * function.c (put_reg_info_stack): REGNO is unsigned.
4085 (instantiate_decl): Size is HOST_WIDE_INT.
4086 (instantiate_virtual_regs): I is unsigned.
4087 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4088 (promoted_input_arg): REGNO is unsigned.
4089 * function.h (struct function): x_max_parm_reg is now unsigned.
4090 * gcse.c (max_gcse_regno): Now unsigned.
4091 (struct null_pointer_info): min_reg and max_reg now unsigned.
4092 (lookup_set, next_set): REGNO arg now unsigned.
4093 (compute_hash_table): REGNO and I now unsigned.
4094 (handle_avail_expr): regnum_for_replacing now unsigned.
4095 (cprop_insn): REGNO now unsigned.
4096 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4097 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4098 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4099 * hard-reg-set.h (reg_class_size): Now unsigned.
4100 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4101 * jump.c (mark_modified_reg): I now unsigned; add cast.
4102 (rtx_equal_for_thread_p): Add cast.
4103 * loop.c (max_reg_before_loop): Now unsigned.
4104 (struct_movable): REGNO now unsigned.
4105 (try_copy_prop): REGNO arg unsigned.
4106 (regs_match_p): XN and YN now unsigned.
4107 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4108 (strength_reduce): Likewise; NREGS also unsigned.
4109 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4110 * loop.h (struct iv_class): REGNO now unsigned.
4111 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4113 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4114 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4115 * optabs.c (expand_binop): I and NWORDS now unsigned.
4116 (expand_unop): I now unsigned.
4117 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4118 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4119 * real.c (significand_size): Now returns unsigned.
4120 * real.h (significand_size): Likewise.
4121 * regclass.c (reg_class_size): Now unsigned.
4122 (choose_hard_reg_mode): Both operands now unsigned.
4123 (record_reg_classes): REGNO and NR now unsigned.
4124 (reg_scan): NREGS now unsigned.
4125 (reg_scan_update): old_max_regno now unsigned.
4126 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4127 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4128 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4129 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4130 Likewise for variable R.
4131 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4132 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4133 (find_equiv_reg): Add casts.
4134 (regno_clobbered_p): Arg REGNO now unsigned.
4135 * reload.h (struct reload): NREGS now unsigned.
4136 (refers_to_regno_for_reload_p): Regno args are unsigned.
4137 (regno_clobbered_p): Likewise.
4138 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4139 (compute_use_by_pseudos): REGNO now unsigned.
4140 (find_reg): I and J now unsigned, new variable K, and change loop
4141 variables accordingly; THIS_NREGS now unsigned.
4142 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4143 (spill_hard_reg): REGNO arg now unsigned; add casts.
4144 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4145 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4146 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4147 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4148 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4149 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4150 (emit_reload_insns): REGNO now unsigned.
4151 (reload_cse_move2add): Add cast.
4152 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4154 * resource.c (mark_referenced_resources, mark_set_resources): New
4155 variable R; REGNO and LAST_REGNO now unsigned.
4156 (mark_target_live_regs): J and REGNO now unsigned.
4157 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4158 * rtl.h (union rtunion_def): New field rtuint.
4159 (XCUINT): New macro.
4160 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4161 (operand_subword, operand_subword_force): Word number is unsigned.
4162 (choose_hard_reg_mode): Operands are unsigned.
4163 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4164 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4165 (regno_use_in, combine_instructions, remove_death): Likewise.
4166 (reg_scan, reg_scan_update): Likewise.
4167 (extended_count): Return is unsigned.
4168 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4169 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4170 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4171 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4172 (reg_reg_last_1): FIRS and LAST now unsigned.
4173 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4174 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4176 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4177 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4178 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4179 (replace_regs): Arg NREGS now unsigned.
4180 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4181 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4182 (simplify_binary_operation): Likewise.
4183 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4184 THIS_LAST now unsigned.
4185 (cselib_record_set): Add cast.
4186 * ssa.c (ssa_max_reg_num): Now unsigned.
4187 (rename_block): REGNO now unsigned.
4188 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4190 (all_cases_count): Just return -1 not -2.
4191 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4192 Rework tests to use trees whenever possible.
4193 Use host_integerp and tree_low_cst.
4194 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4195 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4196 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4197 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4198 (smallest_mode_for_size): Likewise.
4199 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4200 KNOWN_ALIGN is now an alignment, so simplify code.
4201 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4202 (start_record_layout): Renamed from new_record_layout_info.
4203 Update to new fields.
4204 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4206 (place_union_field): Renamed from layout_union_field.
4207 Update to use new fields in rli.
4208 (place_field): Renamed from layout_field.
4209 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4210 (finalize_record_size): Rework to use new fields in rli and handle
4212 (compute_record_mode): Rework to simplify and to use new DECL fields.
4213 (finalize_type_size): Make rounding more consistent.
4214 (finish_union_layout): Deleted.
4215 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4216 (layout_type, case RECORD_TYPE): Call new function names.
4217 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4218 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4219 (get_best_mode): UNIT is now unsigned; remove casts.
4220 * tree.c (bit_position): Compute from new fields.
4221 (byte_position, int_byte_position): New functions.
4222 (print_type_hash_statistics): Cast to remove warning.
4223 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4224 (build_index_type): Likewise; make subtype of sizetype.
4225 (build_index_2_type): Pass sizetype to build_range_type.
4226 (build_common_tree_nodes): Use size_int and bitsize_int to
4227 initialize nodes; add bitsize_{zero,one,unit}_node.
4228 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4229 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4230 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4231 (DECL_FIELD_BITPOS): Deleted.
4232 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4233 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4234 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4235 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4236 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4237 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4238 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4239 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4240 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4241 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4242 (DECL_ALIGN): Adjust to new field in union.
4243 (DECL_OFFSET_ALIGN): New field.
4244 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4245 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4246 (union tree_decl): Add struct for both aligns.
4247 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4248 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4249 (struct record_layout_info): Rework fields to have offset
4250 alignment and byte and bit position.
4251 (start_record_layout, place_field): Renamed from old names.
4252 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4253 (byte_position, int_byte_position): Likewise.
4254 (get_inner_reference): Change types of position and length.
4255 * unroll.c (unroll_loop): New variable R; use for some loops.
4256 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4257 (calculate_giv_inc): Arg REGNO now unsigned.
4258 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4259 * varasm.c (assemble_variable): Clean up handling of size using
4260 host_integerp and tree_low_cst.
4261 (decode_addr_const): Use byte, not bit, position.
4262 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4263 use tree_low_cst and int_bit_position.
4264 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4266 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4268 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4269 (reorder_block_def): New members eff_head and eff_end.
4270 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4271 (verify_insn_chain): New function.
4272 (skip_insns_between_block): Add code to skip deleted insns.
4273 Check for note before using.
4274 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4275 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4276 Check for note before using.
4277 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4278 (fixup_reorder_chain): Restructure, clean up, defect removal.
4279 (reorder_basic_blocks): Remove last_insn and references to it.
4280 Moved insn chain verification code into a new function (see above).
4281 Delete defective code that sets last insn.
4282 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4285 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4287 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4289 2000-03-24 Richard Henderson <rth@cygnus.com>
4291 * tree.c (lang_safe_for_unsave): Remove.
4292 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4293 allowing for two levels of unsafeness. Remove lang hook.
4294 * tree.h: Update declarations.
4295 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4296 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4297 Always fail sibcalls when there are pending cleanups.
4299 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4301 * flow.c (propagate_block): When we delete an ADDR_VEC,
4302 also delete the BARRIER following it if there is one.
4304 2000-03-24 Richard Henderson <rth@cygnus.com>
4306 * builtins.c (expand_builtin_bzero): Convert `length' argument
4309 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4311 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4312 comparison if regno's are equal.
4313 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4314 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4315 (expand_call): Update caller.
4316 Avoid making a sibling call if argument size of the callee is larger
4317 than argument size of the caller.
4318 Call hard_function_value with outgoing set if in sibcall pass.
4319 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4321 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4322 Change LEAF_REGISTERS from an array initializer to actual array
4323 identifier. Move static global variable into the function.
4324 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4325 sequences for leaf functions.
4326 * global.c (global_alloc): Likewise.
4327 * tm.texi (LEAF_REGISTERS): Update documentation.
4329 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4330 TARGET_FLAT leaf disabling hack.
4331 (LEAF_REGISTERS): Changed from an array initializer to actual array
4332 identifier to avoid duplication and remove the above hack.
4333 (FUNCTION_OK_FOR_SIBCALL): Define.
4334 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4335 always like call attribute.
4336 (eligible_for_sibcall_delay): New attribute.
4337 (sibcall): New delay type.
4338 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4339 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4340 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4341 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4342 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4344 (output_function_epilogue): Move part of the code into
4345 output_restore_regs.
4346 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4348 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4351 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4352 until infrastructure is finished.
4354 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4356 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4357 (save_parm_insns): Not here.
4359 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4361 * builtins.c (expand_builtin_bzero): New function.
4362 (expand_builtin): Handle bzero.
4364 * builtins.def: Add BUILT_IN_BZERO.
4366 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4367 prototype & function for bzero.
4369 2000-03-23 Michael Meissner <meissner@redhat.com>
4371 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4372 change adding TARGET_FP to the TF floating point insns, except for
4373 trunctfsf2, which generates direct calls to truncdfsf2.
4375 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4377 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4378 try to protect against middle-end changes that break binary
4380 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4382 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4384 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4386 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4388 * calls.c (expand_call): If TARGET is passed by reference and
4389 is readonly, write a CLOBBER.
4391 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4393 * builtins.c (expand_builtin): Handle bcmp.
4395 * builtins.def: Add BUILT_IN_BCMP.
4397 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4398 prototype & function for bcmp.
4400 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4402 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4403 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4404 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4406 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4408 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4409 alternative when using -fp64 -gp32.
4411 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4413 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4414 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4415 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4417 * frame.h (frame_state): Revert last change.
4418 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4419 * libgcc2.c (throw_helper): Revert last change.
4421 2000-03-22 Richard Henderson <rth@cygnus.com>
4423 * stmt.c (expand_asm_operands): Don't promote the temporary.
4425 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4427 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4428 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4429 c_get_alias_set): Likewise.
4430 * c-decl.c (duplicate_decls): Likewise.
4431 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4432 * calls.c (initialize_argument_information): Likewise.
4433 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4435 * dwarfout.c (decl_class_context,output_type): Likewise.
4436 * expr.c (get_inner_reference): Likewise.
4437 * fold-const.c (simple_operand_p,fold): Likewise.
4438 * function.c (aggregate_value_p): Likewise.
4439 * stmt.c (expand_asm_operands): Likewise.
4440 * varasm.c (named_section): Likewise.
4442 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4444 Implement dwarf2 exception handling for the ARM.
4445 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4446 (DWARF_FRAME_RETURN_COLUMN): Define.
4447 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4448 REG_FRAME_RELATED_EXPR note.
4449 (emit_sfm): Likewise.
4450 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4451 * dwarf2out.c (reg_save): Handle saving a register to itself.
4452 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4453 * except.c (eh_regs): Don't use the static chain reg if it's
4455 * frame.h (frame_state): Add cfa_saved field.
4456 * frame.c (execute_cfa_insn): Set it.
4457 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4459 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4461 (instantiate_virtual_regs): Adjust.
4463 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4464 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4465 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4467 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4468 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4470 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4472 * builtins.def: New file.
4474 * Makefile.in (TREE_H): Depend on builtins.def.
4476 * builtins.c (built_in_names): Use builtins.def.
4478 * tree.h (built_in_function): Likewise.
4480 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4482 * tree.c (size_in_bytes): Return size_zero_node, not
4485 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4487 * config/fp-bit.c (pack_d): Correct the case when a denormal
4488 is rounded up and stops being denormal.
4490 2000-03-21 Richard Henderson <rth@cygnus.com>
4492 * config/alpha/alpha.c (function_arg): Check for void_type_node
4493 before using MUST_PASS_IN_STACK.
4495 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4497 * regmove.c (combine_stack_adjustments_for_block): Check that
4498 the stack pointer is a valid memory address.
4500 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4502 * calls.c: re-install Mar 16 emit_library_call merge.
4504 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4506 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4507 we cannot be sure that if reload_completed base register will
4508 be properly aligned.
4510 2000-03-21 Richard Henderson <rth@cygnus.com>
4512 * flow.c (delete_block): Fix typo last change.
4514 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4516 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4517 not COMPLETE_TYPE_P, to check the type of the expression.
4519 2000-03-21 Michael Meissner <meissner@redhat.com>
4521 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4522 all floating point insns that just tested the macro
4523 TARGET_HAS_XFLOATING_LIBS.
4524 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4525 used to only use the gprs.
4527 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4529 * tree.h (COMPLETE_TYPE_P): New macro.
4530 (COMPLETE_OR_VOID_TYPE_P): New macro.
4531 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4532 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4533 * c-aux-info.c (gen_type): Use them.
4534 * c-common.c (c_expand_expr_stmt): Likewise.
4535 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4536 grokdeclarator, grokparms, finish_struct, start_function,
4537 store_parm_decls, combine_parm_decls): Likewise.
4538 * c-parse.y (cast_expr): Likewise.
4539 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4540 c_size_in_bytes, c_alignof, build_component_ref,
4541 build_indirect_ref, build_array_ref, convert_arguments,
4542 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4543 * calls.c (initialize_argument_information): Likewise.
4544 * convert.c (convert_to_integer): Likewise.
4545 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4546 * dwarfout.c (location_or_const_value_attribute,
4547 output_enumeration_type_die, output_structure_type_die,
4548 output_union_type_die, output_type): Likewise.
4549 * expr.c (safe_from_p, expand_expr): Likewise.
4550 * function.c (assign_parms): Likewise.
4551 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4552 * tree.c (build_array_type, build_function_type,
4553 build_method_type, build_offset_type, build_complex_type): Likewise.
4554 * c-parse.c, c-parse.h: Regenerated.
4556 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4558 * config/c4x/rtems.h: Include config/rtems.h.
4560 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4562 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4563 decl is a FUNCTION_DECL
4565 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4567 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4568 function uses output registers. Don't save RP for leaf functions.
4569 Do save RP even if no epilogue.
4570 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4571 (CALL_USED_REGISTERS): Unmark in registers.
4572 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4575 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4577 * config/rs6000/rs6000.md (bunordered): New expander.
4578 (bordered): New expander.
4579 (buneq): New expander.
4580 (bunge): New expander.
4581 (bungt): New expander.
4582 (bunle): New expander.
4583 (bunlt): New expander.
4584 (bltgt): New expander.
4586 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4587 (ccr_bit_negated_p): New function.
4588 (print_operand): For %C, generate appropriate cror for UNEQ,
4589 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4591 2000-03-20 Andreas Jaeger <aj@suse.de>
4593 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4596 * tree.h (safe_for_unsave): Prototype.
4598 2000-03-20 Richard Henderson <rth@cygnus.com>
4600 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4601 (combine_stack_adjustments_for_block): Don't allow sp references
4602 in the side of a set we're not fixing up.
4603 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4604 after life_analysis.
4606 2000-03-20 Richard Henderson <rth@cygnus.com>
4608 * calls.c (expand_call): Don't bother generating tail call
4609 sequences if there are pending cleanups. Use
4610 expand_start_target_temps/expand_end_target_temps to elide
4611 cleanups created during sibcall expansion.
4613 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4615 * configure.in: Set $IFS to a value if it doesn't already have one
4616 in the --enable-checking handling.
4617 * configure: Regenerate.
4619 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4621 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4622 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4625 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4627 * jump.c (delete_noop_moves): Remove code attempting to
4628 combine stack adjustments.
4630 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4632 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4633 * except.c (emit_cleanup_handler): Use them.
4634 (expand_end_all_catch): Likewise.
4635 * function.c (fixup_var_refs): Likewise.
4636 (expand_function_end): Clear catch_clauses_last.
4637 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4638 * except.h (struct eh_status): New field x_catch_clauses_last.
4639 (catch_clauses_last): New define.
4641 * Makefile.in (tree.o): Depend on HASHTAB_H.
4642 * tree.c: Include hashtab.h.
4643 (struct type_hash): Remove next field.
4644 (TYPE_HASH_SIZE): Remove.
4645 (TYPE_HASH_INITIAL_SIZE): New define.
4646 (type_hash_table): Change type to htab_t.
4647 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4648 mark_hash_entry): New functions.
4649 (init_obstacks): Allocate type hash.
4650 (type_hash_lookup): Use htab functions.
4651 (type_hash_add, mark_type_hash): Likewise.
4652 (dump_tree_statistics): Call print_type_hash_statistics.
4654 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * rs6000/t-aix41: New file.
4658 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4660 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4662 * tm.texi (Driver): Fix typos and tweak entry for
4664 Move misplaced STRUCT_FORCE_BLK entry ...
4665 (Storage Layout): ... to here.
4666 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4668 2000-03-19 Richard Henderson <rth@cygnus.com>
4670 * flow.c (delete_block): Delete the addr_vec along with the block.
4671 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4674 * fold-const.c (extract_muldiv): Apply type check for defined
4675 overflow to multiply as well as divide.
4677 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4679 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4681 * emit-rtl.c (remove_unncessary_notes): Check that all
4682 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4683 associated NOTE_BLOCK.
4684 * function.h (identify_blocks): Update comments.
4685 (reorder_blocks): Declare.
4686 * function.c (identify_blocks): Don't take paramters.
4687 (reorder_blocks): Don't take parameters.
4688 * loop.h (find_loop_tree_blocks): Remove.
4689 (unroll_block_trees): Likewise.
4690 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4691 reorder_blocks instead of unroll_block_trees.h
4692 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4693 * stmt.c (find_loop_tree_blocks): Remove.
4694 (unroll_block_trees): Likewise.
4695 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4696 in whole-function mode.
4697 * tree.h (reorder_blocks): Remove declaration.
4699 * expr.c: Include intl.h.
4700 * Makefile.in (expr.o): Depend on intl.h.
4702 2000-03-18 Richard Henderson <rth@cygnus.com>
4704 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4706 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4708 * tree.h (tree_index): Remove enumerals for integer types.
4709 (integer_type_kind): New type.
4710 (integer_types): New variable.
4711 (char_type_node): Adjust.
4712 (signed_char_type_node): Likewise.
4713 (unsigned_char_type_node): Likewise.
4714 (short_integer_type_node): Likewise.
4715 (short_unsigned_type_node): Likewise.
4716 (integer_type_node): Likewise.
4717 (unsigned_type_node): Likewise.
4718 (long_integer_type_node): Likewise.
4719 (long_unsigned_type_node): Likewise.
4720 (long_long_integer_type_node): Likewise.
4721 (long_long_unsigned_type_node): Likewise.
4722 * tree.c (integer_types): New variable.
4723 (init_obstacks): Register it as a root.
4725 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4727 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4728 NEXT_INSN. Update last insn in chain.
4730 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4732 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4733 with TYPE_DECL_SUPPRESS_DEBUG set.
4735 2000-03-18 Richard Henderson <rth@cygnus.com>
4737 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4739 2000-03-18 Richard Henderson <rth@cygnus.com>
4741 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4742 care for HALF_PIC_P.
4743 (expander_call_insn_operand): Remove.
4744 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4745 * i386.h (PREDICATE_CODES): Update.
4746 * i386.md (all call expanders): Remove predicates, remove special
4747 handling for half-pic.
4748 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4749 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4750 (sibcall_epilogue): New.
4752 2000-03-17 Richard Henderson <rth@cygnus.com>
4754 * rtlanal.c (single_set): Reject if the parallel has anything
4755 except SET or USE or CLOBBER.
4757 2000-03-17 Jeff Law <law@cygnus.com>
4758 Richard Henderson <rth@cygnus.com>
4760 * Makefile.in (OBJS): Add sibcall.o.
4762 * sibcall.c: New file.
4763 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4764 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4765 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4766 Emit sibcall patterns when requested. Update all callers.
4767 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4768 elimination seems feasable.
4769 * final.c (leaf_function_p): Sibling calls don't discount being
4771 * flow.c (HAVE_sibcall_epilogue): Provide default.
4772 (find_basic_blocks_1): Sibling calls don't throw.
4773 (make_edges): Make edge from sibling call to EXIT.
4774 (propagate_block): Don't remove sibcall_epilogue insns.
4775 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4776 (sibcall_epilogue): New.
4777 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4778 (identify_blocks_1): Likewise. Break out from ...
4779 (identify_blocks): ... here.
4780 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4781 (reorder_blocks): ... here.
4782 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4783 (record_insns): Extend a varray instead of mallocing new memory.
4784 (contains): Read a varray not array of ints.
4785 (sibcall_epilogue_contains): New.
4786 (thread_prologue_and_epilogue_insns): Emit and record
4787 sibcall_epilogue patterns.
4788 (init_function_once): Allocate prologue/epilogue varrays.
4789 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4790 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4792 (save_for_inline_nocopy): ... here.
4793 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4795 (expand_inline_function): ... here.
4796 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4797 (subst_constants): Handle 'n' formats.
4798 * jump.c (jump_optimize_minimal): New.
4799 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4800 optimizations if it's set.
4801 * rtl.c (copy_rtx): Do copy jump & call for insns.
4802 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4803 (SIBLING_CALL_P): New.
4804 (sibcall_use_t): New.
4805 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4806 Invoke optimize_sibling_and_tail_recursive_calls.
4807 * tree.c (lang_safe_for_unsave): New.
4808 (safe_for_unsave): New.
4809 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4811 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4812 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4813 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4815 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4817 * objc/objc-act.c (encode_method_prototype): Pass types, not
4818 PARM_DECLs, to int_size_in_bytes.
4820 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4822 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4824 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4825 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4827 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4829 * Clean up usages of TREE_INT_CST_LOW.
4830 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4831 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4833 * c-tree.h (min_precision): Move declaration to here.
4834 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4835 (build_unary_op, add_pending_init): Use bit_position.
4836 (pending_init_member, process_init_element): Likewise.
4837 (really_start_incremental_init, push_init_level, pop_init_level):
4838 Don't make copies of nodes or modify them in place, use consistent
4839 types when tracking positions, and use tree routines computations.
4840 (set_init_index, output_init_element): Likewise.
4841 (output_pending_init_elements, process_init_element): Likewise.
4842 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4843 tree_low_cst and int_bit_position; also minor cleanup.
4844 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4845 (print_cst_octal): Precision is unsigned.
4846 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4847 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4848 (simple_type_align_in_bits): Result is unsigned int.
4849 Use tree_int_low_cst and host_integerp.
4850 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4851 (field_byte_offset): Result is HOST_WIDE_INT.
4852 Change types of internal variables so alignments are unsigned int,
4853 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4854 Use host_integerp, tree_low_cst, and int_bit_position.
4855 (add_bit_offset_attribute): Likewise.
4856 (add_data_member_location_attribute): Use tree_cst_low.
4857 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4858 (add_bit_size_attribute): Use tree_low_cst.
4859 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4860 * dwarfout.c: Similar changes to dwarf2out.c.
4861 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4862 * genoutput.c (n_occurences): Return -1 for null string.
4863 (strip_whitespace): Accept null string and make into function.
4864 (scan_operands): Reflect above changes.
4865 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4866 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4867 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4868 * tree.c (int_size_in_bytes): Check for too big to represent.
4869 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4870 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4872 (min_precision): Delete from here.
4873 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4874 and int_bit_position.
4875 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4876 (encode_method_def): Likewise.
4877 (build_ivar_list_initializer): Use int_bit_position.
4878 (generate_shared_structures): Convert size.
4879 (encode_type, encode_complete_bitfield): Use integer_zerop.
4880 (encode_bitfield): Use tree_low_cst and int_bit_position.
4882 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4884 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4886 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4888 * call.c (special_function_p): It is only malloc if it returns
4891 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4893 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4894 (C33_FLAG, TARGET_C3X): Add macros.
4895 (TARGET_SWITCHES): Add -m33 option.
4896 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4898 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4900 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4901 (PARALLEL_PACK_FLAG): Delete.
4902 (TARGET_SWITCHES): Update.
4903 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4905 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4907 * fold-const.c (fold): Fix a few cases when the returned result
4908 is not of the same type as the input.
4910 2000-03-16 Nick Clifton <nickc@cygnus.com>
4912 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4915 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4917 * libgcc2.h: Move prototypes above macros with the same name.
4918 Wrap some function prototypes in the conditional which indicates
4919 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4921 2000-03-16 Richard Henderson <rth@cygnus.com>
4923 * calls.c: Revert last two changes.
4925 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4927 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4928 has exponent 0 is a zero.
4930 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4931 HASH may already be nonzero. Add code/mode into hash value
4932 immediately after repeat label.
4933 (cselib_lookup): Don't leave the hash table in an inconsistent
4934 state before a hash lookup operation.
4936 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4938 * i386.md (all HI and QI mode non-move patterns): Conditionize
4939 by TARGET_[HQ]IMODE_MATH.
4940 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4941 x86_promote_qi_regs): Declare.
4942 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4943 TARGET_PROMOTE_QI_REGS): New macros.
4944 (PROMOTE_MODE): New macro.
4945 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4946 x86_promote_qi_regs): New global variables.
4948 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4950 * calls.c (emit_library_call_value_1): Break out from ...; handle
4951 VOIDmode function calls too.
4952 (emit_library_call_value): ... here.
4953 (emit_library_call): Implement by calling emit_library_call_value_1.
4955 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4957 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4958 Update arg_space_so_far on stack adjustments.
4959 (emit_library_call, emit_library_call_value): Likewise; take into
4960 account arg_space_so_far and pending_stack_adjust when calculcating
4963 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4965 * flow.c: Move all basic block reordering code into its own file.
4966 (create_basic_block): Externalize.
4967 * bb-reorder.c: New file. Copy all basic block reordering code from
4968 flow.c to this file.
4969 (reorder_basic_blocks): Fix fencepost error in for-loop.
4970 (reorder_basic_blocks): Remove braces from single statement for-loops.
4971 * basic-block.h: Add declaration for create_basic_block.
4972 * Makefile.in: Add rules for bb-reorder.o.
4974 2000-03-16 Neil Booth <NeilB@earthling.net>
4976 * cppinit.c (handle_option): Implement #unassert directive
4977 as -A- command line option.
4978 (print_help): Update.
4979 * cpptexi.c: Update.
4981 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4983 * md.texi (Standard Names): Document `jump'.
4985 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4987 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4990 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4992 Merge changes from newppc-branch onto trunk.
4994 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4996 * rs6000.c (toc_hash_table): Update for new hash table functions.
4997 (toc_hash_function): Likewise.
4998 (toc_hash_eq): Likewise.
4999 (toc_hash_mark_entry): Likewise.
5000 (toc_hash_mark_table): Likewise.
5001 (output_toc): Likewise.
5002 (rs6000_add_gc_roots): Likewise.
5004 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5006 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5007 (AR_FLAGS_FOR_TARGET): here. New macro.
5009 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5011 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5012 fpmem_operand) Delete.
5014 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5015 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5016 (rs6000_save_machine_status, rs6000_restore_machine_status,
5017 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5018 references to above variables.
5019 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5020 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5021 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5022 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5023 (XER_REGNO_P, XER_REGNO): New.
5024 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5025 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5026 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5028 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5029 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5030 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5032 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5034 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5035 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5036 * rs6000.h: from here.
5038 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5039 (rs6000_select_rtx_section): Likewise.
5040 (rs6000_encode_section_info): Likewise.
5041 (sdata_section): Likewise.
5042 (sdata2_section): Likewise.
5043 (sbss_section): Likewise.
5044 * sysv4.h (rs6000_select_section): Delete prototype.
5045 (rs6000_select_rtx_section): Likewise.
5046 (rs6000_encode_section_info): Likewise.
5047 (sdata_section): Likewise.
5048 (sdata2_section): Likewise.
5049 (sbss_section): Likewise.
5050 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5052 * sysv4.h: Delete various unnecessary #undef's and put a comment
5053 on the remaining ones.
5054 Change various comments according to coding standard.
5056 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5058 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5059 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5060 (CR0_REGNO_P) Remove.
5061 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5062 setup_incoming_varargs, mtcrf_operation, print_operand,
5063 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5064 Use the above macros.
5066 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5068 * config/rs6000/rs6000.md: Added a new alternative for each
5069 pattern that had a 'x' alternative but no 'y' alternative.
5070 Added a new split for each of the above patterns.
5072 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5074 * aix41.h (ASM_CPU_SPEC): Delete.
5075 (CPP_CPU_SPEC): Delete.
5077 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5078 (ASM_OUTPUT_LABEL): Define.
5079 (ASM_GLOBALIZE_LABEL): Define.
5080 (STRIP_NAME_ENCODING): Define.
5081 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5082 (STRIP_NAME_ENCODING): Don't define.
5083 (ASM_OUTPUT_LABEL): Don't define.
5084 (ASM_GLOBALIZE_LABEL): Don't define.
5085 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5086 names, and ASM_OUTPUT_LABEL to output labels, rather than
5088 (ASM_OUTPUT_LABEL): Define.
5089 (ASM_OUTPUT_INT): Use assemble_name.
5090 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5091 (STRIP_NAME_ENCODING): Don't undefine first.
5092 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5094 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5095 specified with 'asm' even with -fleading-underscore.
5096 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5097 (output_epilog): Likewise.
5098 (output_toc): Likewise.
5099 * tramp.asm: Handle -fleading-underscore correctly.
5101 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5103 (nonlocal_goto_receiver): Delete.
5104 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5106 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5107 (SET_ASM_OP): Define.
5108 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5110 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5113 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5114 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5116 * rs6000.h: Add 'u' to more constants.
5118 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5120 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5122 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5124 * rs6000.c (reg_or_u_cint_operand): New function.
5125 (logical_operand): Handle 64-bit hosts.
5126 (logical_u_operand): New function.
5127 (non_logical_cint_operand): Handle 64-bit hosts.
5128 (non_logical_u_cint_operand): New function.
5129 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5130 (PREDICATE_CODES): Define new functions.
5131 * rs6000-protos.h: Declare new functions.
5132 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5133 (movdi_64): Bracket code intended for 64-bit hosts. Create
5134 CONST_DOUBLE for 32-bit values.
5135 (scc insns): Generate DImode compares.
5136 (mfcr insns): Create DImode versions.
5137 (sge matchers): New patterns.
5139 2000-02-15 Gabriel Paubert <paubert@iram.es>
5141 * rs6000.md: Correct instructions length attributes and
5142 constraints on unsigned compare instructions.
5143 (*ne0): Disable for PowerPC64.
5145 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5147 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5148 quantity, fix profile1.C test failure under -fPIC.
5150 * rs6000.c: Add 'u' to many constants to suppress warnings.
5151 (constant_pool_expr_1): Make static.
5152 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5153 * rs6000.h: Add 'u' to many constants to suppress warnings.
5155 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5156 for the start of the TOC, instead of LCTOC..0.
5157 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5159 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5160 (load_toc_aix_di): Use LCTOC..1.
5162 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5163 * rs6000.c (rs6000_legitimize_address): New function from
5164 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5165 symbols in the constant pool that really are TOC references.
5166 (print_operand_address): For ELF, write TOC offsets under
5167 -fPIC as subtractions in the insn.
5168 (output_toc): For ELF, define symbols in TOC as normal labels,
5170 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5171 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5172 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5173 * rs6000.md (movsi): Only use create_TOC_reference on
5174 symbols in the constant pool that really are TOC references.
5176 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5177 * rs6000.c (rs6000_reorg): Delete.
5178 * rs6000-protos.h (rs6000_reorg): Delete.
5180 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5182 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5184 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5185 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5186 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5187 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5188 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5189 rs6000_aix_emit_builtin_unwind_init.
5190 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5191 rs6000_emit_eh_toc_restore on AIX.
5192 (return_eh_si): Use r2.
5193 (return_eh_di): Use r2.
5195 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5196 since we're breaking binary compatibility anyway.
5198 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5200 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5201 constant_pool_expr_p): Declare them.
5202 (constant_pool_expr_p): Declare it.
5203 * config/rs6000/rs6000.c (toc_label_name): Define.
5204 (rs6000_override_options): Set toc_label_name.
5205 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5206 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5207 uses_TOC): New functions.
5208 (print_operand): Delete old '*' case.
5209 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5210 and strip off rtl for TOC before calling output_addr_const.
5211 (rs6000_emit_load_toc_table): Use toc_label_name.
5212 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5214 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5215 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5216 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5217 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5218 into explicit TOC_REGISTER offsets.
5219 (TOC_REGISTER): New macro.
5220 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5221 TARGET_TOC to reference TOC_REGISTER.
5222 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5223 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5224 uses_TOC before emitting label references.
5226 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5228 * rs6000.md (stack_tie): Fix warning.
5230 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5231 to handle -fleading-underscore.
5232 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5233 (USER_LABEL_PREFIX): New macro.
5234 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5235 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5236 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5237 call-linux can use the same multilibs.
5238 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5239 and call-linux multilibs. Do multilib with -fleading-underscore.
5240 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5241 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5244 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5245 have MASK_SOFT_FLOAT set.
5246 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5247 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5248 CPP_FLOAT_DEFAULT_SPEC.
5250 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5251 * rs6000.md: Whitespace change.
5252 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5253 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5255 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5257 * rs6000.md (eh_epilogue): New expander.
5258 (eh_reg_restore): New expand/split/insn combination.
5259 (return_eh_si): New insn.
5260 (return_eh_di): New insn.
5262 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5263 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5264 * eabi-ctors.c (__do_global_ctors): Register this object's
5265 frame. Clean up. Call atexit() after the constructors.
5266 (__do_global_dtors): Deregister this object's frame. Clean up.
5267 Allow for recursive calls to exit().
5268 * rs6000.c (fixuplabelno): New variable.
5269 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5270 TARGET_RELOCATABLE, it slows down exec() under linux.
5271 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5273 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5274 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5275 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5276 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5277 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5278 (ASM_OUTPUT_DWARF_ADDR): New macro.
5279 (ASM_OUTPUT_DWARF_DATA4): New macro.
5280 (ASM_OUTPUT_DWARF_DATA2): New macro.
5281 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5282 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5283 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5285 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5287 * rs6000.c (rs6000_sr_alias_set): New variable.
5288 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5289 (rs6000_emit_stack_tie): New function.
5290 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5291 in a way that dwarf2out can understand.
5292 (rs6000_frame_related): New function.
5293 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5294 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5295 Use rs6000_emit_stack_tie when needed.
5296 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5297 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5298 * rs6000.md (stack_tie): New insn.
5299 (return_internal_si): Allow return value to be in the count
5301 (return_internal_di): Likewise.
5303 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5305 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5307 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5309 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5311 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5313 * rs6000.md (stmw): Use the right POWER opcode.
5316 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5318 * rs6000-protos.h: New file.
5320 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5322 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5325 * sysv4.h: Likewise.
5327 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5329 * ../../configure.in: Delete powerpcle-*-winnt*
5330 and powerpcle-*-pe|powerpcle-*-cygwin*.
5331 * ../../configure: Regenerated.
5333 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5334 (TARGET_WINDOWS_NT): Delete.
5336 (CALL_NT_DLLIMPORT): Delete.
5337 Delete NT-specific code.
5338 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5341 * nt-ci.asm: Delete.
5342 * nt-cn.asm: Delete.
5343 * ntstack.asm: Delete.
5345 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5347 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5348 (ASM_FILE_START): Likewise.
5349 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5350 (ASM_OUTPUT_LABELREF): Likewise.
5351 (ASM_OUTPUT_SKIP): Likewise.
5352 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5353 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5354 (ASM_OUTPUT_CASE_LABEL): Likewise.
5355 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5356 (ASM_OUTPUT_ASCII): Likewise.
5358 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5360 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5361 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5362 increment rs6000_pic_labelno here.
5363 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5364 and increment rs6000_pic_labelno here.
5366 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5368 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5369 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5370 allocation knows (reg) is dead before the insn.
5372 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5374 * rs6000.md (movsi_to_cr): Correct typo in output template.
5376 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5378 * rs6000.c (rs6000_pic_labelno): Always define.
5379 (rs6000_pic_func_labelno): Delete.
5380 (lmw_operation): Check for a zero base register,
5381 which doesn't mean what we want.
5382 (stmw_operation): New function.
5383 (print_operand): Define new 'l' modifier.
5384 (rs6000_stack_info): We must save all 64 bits of the registers
5385 if TARGET_POWERPC64.
5386 (rs6000_output_load_toc_table): Delete.
5387 (rs6000_emit_load_toc_table): New function.
5388 (rs6000_allocate_stack_space): Delete.
5389 (rs6000_emit_allocate_stack): New function.
5390 (rs6000_emit_prologue): New function.
5391 (output_prolog): Use rs6000_emit_prologue.
5392 (rs6000_emit_epilogue): Change a few variable names to be
5393 more accurate. Restore all 64 bits of the registers if
5394 TARGET_POWERPC64. Only restore the FP registers which were used
5395 if they are being saved/restored one-at-a-time.
5396 (output_mi_thunk): Delete inefficient code generation.
5397 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5398 * rs6000.h: Declare rs6000_emit_load_toc_table,
5399 rs6000_allocate_stack_space, stmw_operation. Don't declare
5400 rs6000_output_load_toc_table.
5401 * rs6000.md (elf_high): Allow register 0, but discourage it
5403 (elf_low): Support loading into register 0.
5404 (load_toc_aix_si): New pattern.
5405 (load_toc_aix_di): New pattern.
5406 (load_toc_v4_pic_si): New pattern.
5407 (load_toc_v4_pic_di): New pattern.
5408 (load_toc_v4_PIC_1): New pattern.
5409 (load_toc_v4_PIC_1b): New pattern.
5410 (load_toc_v4_PIC_2): New pattern.
5411 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5412 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5413 (prologue): New expander.
5414 (movesi_from_cr): New pattern.
5415 (stmw): New pattern.
5416 (save_fpregs_si): New pattern.
5417 (save_fpregs_di): New pattern.
5419 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5421 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5426 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5428 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5430 (movsi_got_internal): Likewise.
5431 (movsi_got_internal+1): Likewise.
5432 (set_sp): 'unspec 7' does a SImode clobber.
5434 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5436 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5437 allocate a stack temporary.
5438 (floatsidf2_internal): Likewise.
5439 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5441 (floatunssidf2): Don't use the fpmem "register", just
5442 allocate a stack temporary.
5443 (floatunssidf2_internal): Likewise.
5444 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5446 (floatsidf2_loadaddr): Delete.
5447 (floatsidf2_store1): Delete.
5448 (floatsidf2_store2): Delete.
5449 (floatsidf2_load): Delete.
5450 (fix_truncdfsi2): Don't use the fpmem "register", just
5451 allocate a stack temporary.
5452 (fix_truncdfsi2_internal_si): Delete.
5453 (fix_truncdfsi2_internal_di): Delete.
5454 (fix_truncdfsi2_internal): New insn.
5455 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5456 (fix_truncdfsi2_store): Delete.
5457 (fix_truncdfsi2_load): Delete.
5458 (fctiwz): Produce gen_fctiwz.
5460 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5462 * eabi.h (INVOKE__main): Define.
5463 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5465 (rs6000_emit_prologue): Likewise.
5466 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5467 this is the main program.
5469 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5471 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5473 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5475 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5476 goes after the argument.
5478 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5480 * rs6000.md: Document 'unspec' values used.
5481 (epilogue): New expander.
5482 (movesi_to_cr_one): New expander.
5483 (movesi_to_cr and following): New pattern.
5485 (return_internal_si): New pattern.
5486 (return_internal_di): New pattern.
5487 (return_and_restore_fpregs_si): New pattern.
5488 (return_and_restore_fpregs_di): New pattern.
5489 * rs6000.h: Declare new functions.
5490 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5491 rather than rs6000_calls_p.
5492 (rs6000_makes_calls): Delete.
5493 (lmw_operation): New function.
5494 (mtcrf_operation): New function.
5495 (rs6000_emit_epilogue): New function.
5496 (output_epilog): Call rs6000_emit_epilogue and final if
5497 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5499 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5501 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5502 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5503 * aix.h (SUBTARGET_SWITCHES): Document switches.
5504 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5505 sched-prolog and sched-epilog the same. Document all the
5507 (TARGET_OPTIONS): No longer allow -mdebug-.
5509 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5511 * rs6000.h (ASM_FILE_END): Move to aix.h.
5512 (EXTRA_SECTIONS): Move to aix.h.
5513 (READONLY_DATA_SECTION): Move to aix.h.
5514 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5515 (SELECT_SECTION): Move to aix.h.
5516 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5517 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5518 (LINK_REGISTER_REGNUM): New definition.
5519 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5520 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5522 * sysv4.h: Delete the code between the inclusion of rs6000.h
5524 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5525 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5526 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5527 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5528 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5529 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5530 (fix_truncdfsi2_internal_di): New pattern.
5531 (fix_truncdfsi2_store): The second arg here is Pmode too.
5532 (fix_truncdfsi2_load): The second arg here is Pmode too.
5533 (tablejumpdi): Now that switch tables hold only SImode values,
5534 gcc needs to know how to add them to the pc which is DImode.
5535 * rs6000.c (rs6000_stack_info): Use symbolic name for
5536 LINK_REGISTER_REGNUM.
5537 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5538 (output_toc): Delete unused variables s1 and s2.
5539 (output_ascii): Use fputs not fprintf on a variable string.
5541 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5543 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5544 * aix43.h: Revert Aug 2 change.
5545 (HAS_INIT_SECTION): Define, not visible yet.
5546 (LD_INIT_SWITCH): Define, not visible yet.
5547 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5549 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5551 * config/rs6000/rtems.h: Include config/rtems.h.
5553 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5555 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5556 (SLOW_UNALIGNED_ACCESS): Define.
5557 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5558 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5559 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5560 (toc_section): Likewise and .toc pseudo-op.
5561 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5563 (TEXT_SECTION_ASM_OP): Likewise.
5564 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5567 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5569 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5570 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5573 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5575 * rs6000.h: Move more stuff from here...
5577 * sysv4.h: Cleanup accordingly.
5578 * netware.h: Likewise
5580 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5582 * rs6000.h: Continue cleanup.
5585 * netware.h: Likewise.
5587 * sysv4.h: Likewise.
5588 * win-nt.h: Likewise.
5590 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5591 (TARGET_OPTIONS): Likewise.
5593 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5594 (SUBTARGET_OPTIONS): Likewise.
5596 * rs6000.md: Fix compile time warnings.
5598 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5600 vxworks patches from the Cygnus tree originally by
5601 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5602 <vmakarov@cygnus.com>.
5603 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5604 (ENDFILE_SPEC): Likewise.
5605 (LIB_VXWORKS_SPEC): New macro.
5606 (STARTFILE_VXWORKS_SPEC): New macro.
5607 (ENDFILE_VXWORKS_SPEC): New macro.
5608 (LINK_START_VXWORKS_SPEC): New macro.
5609 (LINK_OS_VXWORKS_SPEC): New macro.
5610 (CPP_OS_VXWORKS_SPEC): New macro.
5611 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5612 * vxppc.h: Rewrite to use proper configuration method.
5613 * vxppcle.h: New file.
5614 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5615 * ../../configure: Rebuilt.
5617 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5619 Lots of changes to rs6000.h, sysv4.h, aix.h,
5620 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5621 with the aim that rs6000.h is the first header
5622 included and the others override it.
5625 * x-aix41-gld: Remove.
5627 * x-aix41: Remove target-specific switches, and don't specify
5628 -Wl,-bbigtoc as we don't need it any more.
5629 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5630 Use t-aix43 for AIX 4.3 and above.
5631 * ../../configure: Regenerated.
5633 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5634 options, that don't do anything yet.
5635 (MASK_SCHED_PROLOG): New macro.
5636 (MASK_SCHED_EPILOG): New macro.
5637 (TARGET_SCHED_PROLOG): New macro.
5638 (TARGET_SCHED_EPILOG): New macro.
5640 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5642 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5643 one per translation unit, not one per function.
5644 (output_toc): Also do duplicate constant elimination
5645 for per-translation-unit TOCs.
5647 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5648 a comment explaining _exactly_ when this pattern gets used.
5649 (builtin_setjmp_receiver): New pattern for better clarity.
5650 (init_v4_pic): Move it into a section dealing with TOC registers.
5652 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5654 * rs6000.c (toc_hash_table): New variable.
5655 (rs6000_hash_constant): New function.
5656 (toc_hash_function): New function.
5657 (toc_hash_eq): New function.
5658 (toc_hash_mark_entry): New function.
5659 (toc_hash_mark_table): New function.
5660 (output_toc): Don't output duplicate TOC entries in
5662 (rs6000_add_gc_roots): Add the hash table as a GC root.
5663 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5664 where they clearly shouldn't be. This may need to be fixed
5665 later when there is a GNU ar for AIX.
5666 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5667 Don't define BOOT_LDFLAGS as it is now not necessary.
5669 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5671 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5672 for va_list on AIX. Use unsigned_char_type_node rather than
5673 constructing our own version on svr4.
5675 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5677 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5678 since patently it's not.
5680 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5682 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5683 define_expand/define_insn pair, and handle restore of the
5684 SVR4 -fpic register.
5686 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5688 * acconfig.h (HAVE_GAS_WEAK): New define.
5689 * configure.in (assembler weak support): Check for .weak support.
5690 * config.in, configure: Rebuilt.
5691 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5692 HAVE_GAS_WEAK is defined.
5694 2000-03-15 Nick Clifton <nickc@cygnus.com>
5696 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5699 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5701 * cppfiles.c (open_include_file): New function.
5702 (find_include_file, cpp_read_file): Use it.
5704 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5706 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5708 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5710 * flow.c (verify_flow_info): Check for unconditional return.
5712 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5714 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5715 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5716 (__ia64_restore_stack_nonlocal): New.
5717 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5719 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5721 * cpphash.c (collect_formal_parameters): Do not complain about
5722 parameter names that just start with `__VA_ARGS__'.
5724 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5726 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5727 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5728 * i386.c (pentiumpro_cost): Set mul cost to 4.
5729 (x86_use_movx): Set for PPro.
5731 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5733 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5734 STACK_BOUNDARY for empty frames now.
5736 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5738 * stor-layout.c (layout_union): Remove.
5739 (layout_union_field): New function, split out from layout_union.
5740 (finish_union_layout): Likewise.
5741 (layout_field): Handle unions by calling layout_union_field.
5742 (finish_record_layout): Handle unions.
5743 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5744 QUAL_UNION_TYPE handling.
5746 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5748 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5749 end of basic block is jump_insn, not barrier; use create_basic_block
5750 instead of creating basic block by hand.
5752 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5754 * flow.c (reorder_basic_blocks): Account for barriers when writing
5755 over NEXT_INSN (last_bb->end).
5756 (verify_flow_info): Add check for missing barriers.
5758 2000-03-14 Greg McGary <gkm@gnu.org>
5760 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5761 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5762 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5763 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5764 __unbounded, __unbounded__): New keywords.
5765 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5766 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5767 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5769 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5771 * cselib.h: New file.
5772 * alias.c: Include "cselib.h".
5773 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5774 MEMs as two new arguments.
5775 (get_addr): New static function.
5776 (find_base_term): Handle VALUEs.
5777 (memrefs_conflict_p): Likewise.
5778 (true_dependence): Call get_addr on the addresses.
5779 Call fixed_scalar_and_varying_struct_p with addresses that have been
5780 passed through get_addr and canon_rtx.
5781 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5782 with true_dependence.
5783 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5784 * loop.c: Include "cselib.h".
5785 (load_mems): Process extended basic block that enters the loop with
5786 cselib. Use that information to change initialization of the shadow
5787 register so that a constant equivalence is seen by later passes.
5788 * reload1.c: Include "cselib.h".
5789 (reload_cse_invalidate_regno): Delete function.
5790 (reload_cse_mem_conflict_p): Likewise.
5791 (reload_cse_invalidate_mem): Likewise.
5792 (reload_cse_invalidate_rtx): Likewise.
5793 (reload_cse_regno_equal_p): Likewise.
5794 (reload_cse_check_clobber): Likewise.
5795 (reload_cse_record_set): Likewise.
5796 (reg_values): Delete static variable.
5797 (invalidate_regno_rtx): Likewise.
5798 (reload_cse_delete_noop_set): New static function.
5799 (reload_cse_simplify): New static function, broken out of
5801 (reload_cse_noop_set_p): Delete unused argument INSN.
5802 Just call rtx_equal_for_cselib_p on set source and destination.
5803 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5804 reload_cse_delete_noop_set. Delete code to keep track of values; use
5805 cselib functions instead. Delete code to push/pop obstacks.
5806 (reload_cse_simplify_set): Use cselib to find equivalent values.
5807 Delete code to push/pop obstacks.
5808 (reload_cse_simplify_operands): Likewise.
5809 * rtl.def (VALUE): New rtx code.
5810 * rtl.h (union rtunion_def): New elt rt_cselib.
5811 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5812 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5813 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5814 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5815 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5816 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5817 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5818 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5819 cselib_record_set, cselib_record_sets): New static functions.
5820 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5821 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5822 references_value_p): New functions.
5823 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5824 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5825 n_useless_values, reg_values, callmem, cselib_obstack,
5826 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5827 New static variables.
5828 * varray.h (union varray_data_tag): New elt te.
5829 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5830 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5833 2000-03-14 Nick Clifton <nickc@cygnus.com>
5835 * gcc.c (do_spec_1): Catch the case where %* is used in a
5836 substitution pattern, but it has not been initialised.
5837 Issue a meaningful error message if an unrecognised operator
5838 is encountered in a spec string.
5840 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5842 * function.c (prepare_function_start): Correctly initialize
5843 cfun->stack_alignment_needed.
5845 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5847 * cppfiles.c (find_include_file): Don't assume nshort is a
5850 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5852 * configure.in (hppa configurations): Add pa32-regs.h to the
5853 list of tm files as appropriate.
5854 * configure: Rebuilt.
5855 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5857 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5858 (fmpyaddoperands, fmpysuboperands): Likewise.
5859 * pa.h: Remove various definitions which depend on knowing
5860 how registers are numbered.
5861 * pa32-regs.h: New file with PA32 register numbering specific
5864 2000-03-14 Richard Henderson <rth@cygnus.com>
5866 * regmove.c (combine_stack_adjustments): New.
5867 (stack_memref_p, single_set_for_csa): New.
5868 (free_csa_memlist, record_one_stack_memref): New.
5869 (try_apply_stack_adjustment): New.
5870 (combine_stack_adjustments_for_block): New.
5871 * rtl.h (combine_stack_adjustments): Declare.
5872 * toplev.c (rest_of_compilation): Call it.
5874 * i386.md: Revert 2000-01-16 change.
5876 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5878 * gccbug.in: Add web category, gcc specific classes.
5880 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5882 * stor-layout.c (finalize_record_size): Fix typo.
5884 2000-03-14 Stan Shebs <shebs@apple.com>
5886 * c-typeck.c (c_alignof): Error on incomplete types.
5887 * extend.texi (Alignment): Document this.
5889 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5891 * cppfiles.c: Include mkdeps.h.
5892 (find_include_file, read_include_file): Remove _cpp_ prefix
5893 from name, make static.
5894 (_cpp_execute_include): New function, broken out of
5897 * cpplib.c: Don't include mkdeps.h.
5898 (struct directive): Remove type field. Reorder entries. The
5899 function takes only one argument.
5900 (struct if_stack): Make type field an int.
5901 (directive_table): Rename to dtable. Generate it, the
5902 prototypes of the directive handlers, and the enum for the
5903 directive numbers, from a template macro.
5904 (do_ifndef, do_include_next, do_import): New functions.
5905 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5906 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5907 do_ident, do_assert, do_unassert, do_sccs): Take only one
5909 (do_sccs): Define always, but alter behavior based on
5911 (_cpp_handle_directive, consider_directive_while_skipping):
5912 Restructure for new directive table layout.
5914 (pass_thru_directive): Take a directive number, not a pointer
5915 to a struct directive.
5916 (parse_include): New function, broken out of do_include.
5917 (do_include, do_import, do_include_next): Use parse_include
5918 and _cpp_execute_include.
5919 (do_elif, do_else): Test for T_ELSE specifically when checking
5920 for #elif/#else after #else.
5921 (parse_ifdef): New function, broken out of do_ifdef.
5922 (validate_else): Expect a name arg without a leading #.
5923 (if_directive_name): Delete.
5924 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5925 directive handlers with only one argument.
5927 * cpphash.h: Update prototypes.
5928 (enum node_type): Remove entries for directives.
5929 * Makefile.in: Update dependencies.
5931 * cpphash.c (dump_hash_helper): Only dump nodes of type
5932 T_MACRO. Emit a newline after each definition.
5934 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5936 * gccbug.in: New file.
5937 * configure.in (all_outputs): Add gccbug.
5938 * Makefile.in (install-common): Install gccbug.
5939 (GCCBUG_INSTALL_NAME): New variable.
5940 * configure: Rebuilt.
5942 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5944 * function.c (put_var_into_stack): Use type_for_mode to calculate
5945 part_type. Use MEM_SET_IN_STRUCT_P.
5946 * expr.c (store_field): Handle CONCAT.
5947 (store_constructor): Use fields_length.
5948 * tree.c (fields_length): New fn.
5949 * tree.h: Declare it.
5951 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5953 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5954 (cpplex.o): New target.
5955 * po/POTFILES.in: Add cpplex.c.
5957 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5958 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5959 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5960 skip_block_comment, skip_line_comment, skip_comment,
5961 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5962 _cpp_parse_name, skip_string, parse_string,
5963 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5964 _cpp_get_directive_token, find_position,
5965 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5966 (maybe_macroexpand, _cpp_lex_token): New functions.
5968 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5969 parse_goto_mark): Delete.
5970 (_cpp_handle_eof): New function.
5971 (_cpp_handle_directive): Rename from handle_directive.
5972 (_cpp_output_line_command): Rename from output_line_command.
5973 (do_if, do_elif): Call _cpp_parse_expr directly.
5974 * cppfiles.c (_cpp_read_include_file): Don't call
5975 init_input_buffer here.
5976 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5977 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5978 here; pop the token_buffer and skip the rest of the line here.
5979 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5982 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5984 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5985 CPP_GOTO_MARK): New macros.
5986 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5987 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5988 _cpp_read_and_prescan, _cpp_init_input_buffer,
5989 _cpp_grow_token_buffer, _cpp_get_directive_token,
5990 _cpp_handle_directive, _cpp_handle_eof,
5991 _cpp_output_line_command): Prototype them here.
5992 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5993 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5994 quote_string, output_line_command): Remove.
5996 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5998 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5999 whether it is too large we must also verify that it isn't negative.
6001 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6003 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6004 (movsi_zero_liveg0): Remove.
6005 (movsf_insn_novis_liveg0): Remove.
6007 (negsi2_not_liveg0): Rename to negsi2.
6008 (one_cmplsi2): Remove.
6009 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6010 (one_cmplsi2_liveg0): Remove.
6011 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6012 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6013 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6014 (PREDICATE_CODES): Remove zero_operand.
6015 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6016 TARGET_BROKEN_SAVERESTORE.
6017 (zero_operand): Remove.
6018 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6019 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6021 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6022 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6023 TARGET_BROKEN_SAVERESTORE): Remove.
6024 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6026 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6028 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6031 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6033 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6035 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6036 truncating a string. Don't assume tokens are nul terminated.
6037 Problem noted by Andreas Jaeger <aj@suse.de>
6039 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6041 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6042 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6043 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6045 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6047 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6048 STRUCTURE_SIZE_BOUNDARY.
6050 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6052 * tree.h (record_layout_info_s): New structure.
6053 (record_layout_info): New type.
6054 (new_record_layout_info): New function.
6055 (layout_field): Likewise.
6056 (finish_record_layout): Likewise.
6057 * stor-layout.c (layout_record): Remove.
6058 (new_record_layout_info): New function.
6059 (layout_field): New function, broken out from layout_record.
6060 (finalize_record_size): Likewise.
6061 (compute_record_mode): Likewise.
6062 (finalize_type_size): New function, broken out from layout_type.
6063 (finish_record_layout): Likewise.
6064 (layout_type): Use them.
6066 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6068 * cpphash.c: Don't include version.h.
6069 (special_symbol) [case T_VERSION]: Look for the string in
6070 hp->value.cpval; don't use version_string.
6071 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6072 __VERSION__ to version_string.
6073 * Makefile.in (cpphash.o): Update deps.
6075 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6077 Convert cpplib to use libiberty/hashtab.c.
6079 * cpplib.h (struct cpp_reader): Make hashtab and
6080 all_include_files of type 'struct htab *'. Delete HASHSIZE
6081 and ALL_INCLUDE_HASHSIZE macros.
6083 * cpphash.h: Update prototypes.
6084 (struct hashnode): Remove next, prev, and bucket_hdr members.
6085 Make length a size_t. Add hash member.
6086 (struct ihash): Remove next member. Add hash member. Make
6087 name a flexible array member.
6089 * cppfiles.c: Include hashtab.h.
6090 (include_hash): Delete.
6091 (IHASHSIZE): New macro.
6092 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6093 (cpp_included): Do the hash lookup here.
6094 (_cpp_find_include_file): Rewrite.
6095 (cpp_read_file): Put the "fake" hash entry into the hash
6096 table. Honor the control_macro, if it turns out we've seen
6097 the file before. Don't push the buffer here.
6098 (_cpp_read_include_file): Push the buffer here.
6099 (OMODES): New macro. Use it whenever we call open(2).
6101 * cpphash.c: Include hashtab.h.
6102 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6103 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6104 _cpp_lookup_slot): New functions.
6105 (HASHSIZE): new macro.
6106 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6107 (_cpp_lookup): Use hashtab.h routines.
6109 * cppinit.c: Include hashtab.h.
6110 (cpp_reader_init): Call _cpp_init_macro_hash and
6111 _cpp_init_include_hash. Don't allocate hashtab directly.
6112 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6113 pfile->all_include_files.
6114 (initialize_builtins): Use _cpp_make_hashnode and
6115 htab_find_slot to add hash entries.
6116 (cpp_finish): Just call _cpp_dump_macro_hash.
6117 * cpplib.c: Include hashtab.h.
6118 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6119 create hash entries.
6120 (do_pragma_poison, do_assert): Likewise.
6121 (do_include): Don't push the buffer here. Don't increment
6122 system_include_depth unless _cpp_read_include_file succeeds.
6123 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6125 (do_pragma_implementation): Use alloca to create copy.
6127 * Makefile.in: Update dependencies.
6129 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6131 * cppinit.c (cl_directive_handler): More K&R fixing.
6133 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6135 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6137 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6139 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6141 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6142 Change from char[] to macros.
6144 2000-03-12 Neil Booth <NeilB@earthling.net>
6146 * cppinit.c (cpp_start_read): Update indirect function
6149 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6151 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6154 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6155 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6157 2000-03-11 Neil Booth <NeilB@earthling.net>
6159 * cppinit.c (struct pending option): Replace undef with a
6160 pointer to a directive handling routine.
6161 (struct cpp_pending): Replace separate assert_ and define_
6162 lists with one directive_ list.
6163 (new_pending_define): Rename new_pending_directive. Extra
6164 argument is the directive's handling routine.
6165 (handle_option): Update to use new_pending_directive.
6167 2000-03-11 Neil Booth <NeilB@earthling.net>
6169 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6170 remap_filename, _cpp_read_include_file, actual_directory,
6171 hack_vms_include_specification): Replace bcopy(), index() etc
6172 calls. Add casts to some allocations. Make some variables
6173 pointers to const [unsigned] char.
6174 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6175 collect_formal_parameters): Similarly.
6176 * cppinit.c (struct pending_option, append_include_chain,
6177 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6178 cpp_start_read, new_pending_define, handle_option): Similarly.
6179 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6180 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6181 do_pragma_implementation, detect_if_not_defined,
6182 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6183 do_assert, do_unassert): Similarly.
6184 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6185 function prototypes.
6186 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6188 2000-03-10 Richard Henderson <rth@cygnus.com>
6190 * builtins.c (expand_builtin_strlen): Revert last change.
6191 Use emit_insn_before if we're at the beginning of a sequence.
6193 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6195 * builtins.c (expand_builtin_strlen): Make sure that we have something
6196 at the beginning of the sequence.
6198 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6201 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6203 2000-03-10 Richard Henderson <rth@cygnus.com>
6205 * except.c (can_throw): Use INTVAL on a CONST_INT.
6206 (reachable_handlers): Likewise.
6207 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6209 2000-03-10 Andreas Jaeger <aj@suse.de>
6211 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6212 MD_STARTFILE_PREFIX since those are not needed on linux.
6213 (ASM_FILE_START): New, from mips/gnu.h.
6215 2000-03-09 Richard Henderson <rth@cygnus.com>
6216 Alex Samuel <samuel@codesourcery.com> and others
6218 * Makefile.in (ssa.o): New rule.
6220 (STAGESTUFF): Add *.ssa and *.ussa.
6221 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6222 * rtl.def (PHI): New RTL expression.
6223 * rtl.h (clear_log_links): New declaration.
6224 (convert_to_ssa): Likewise.
6225 (convert_from_ssa): Likewise.
6226 * flow.c (split_edge): If the entry node falls through to the
6227 split edge's source block, split the entry edge.
6228 (clear_log_links): New function.
6229 * toplev.c (ssa_dump): New variable.
6230 (flag_ssa): Likewise.
6231 (f_options): Add "ssa".
6232 (compile_file): Create SSA dump files.
6233 (rest_of_compilation): Go to and from SSA if enabled.
6234 (decide_d_option): Handle -de for SSA dump files.
6237 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6239 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6242 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6244 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6246 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6248 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6249 (MD_STARTFILE_PREFIX_1): New macro.
6251 2000-03-09 Robert Lipe <robertl@sco.com>
6253 * config/ia64/ia64.c: Include system.h.
6255 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6257 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6258 (init_eh_nesting_info): Likewise.
6260 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6261 (TREE_NOTHROW): Rename from TREE_RAISES.
6262 * toplev.c (rest_of_compilation): Set it.
6263 * print-tree.c (print_node): Adjust.
6264 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6265 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6266 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6267 REG_EH_REGION note as appropriate.
6268 (libfunc_nothrow): New fn.
6269 (emit_library_call, emit_library_call_value): Use it.
6270 (expand_call): Check TREE_NOTHROW.
6272 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6273 DECL_ASSEMBLER_NAME.
6275 2000-03-09 Andreas Jaeger <aj@suse.de>
6277 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6278 (TARGET_MEM_FUNCTIONS): Define.
6280 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6282 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6284 * except.c (can_throw): See through a SEQUENCE.
6285 (nothrow_function_p): New fn.
6286 * except.h: Declare it.
6287 * function.c (current_function_nothrow): New var.
6288 (prepare_function_start): Initialize it.
6289 * output.h: Declare it.
6290 * toplev.c (rest_of_compilation): Set it.
6291 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6293 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6295 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6296 match. (cpp_compare_defs): Count the nul separator when
6297 advancing over argument names.
6299 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6301 * recog.c (preprocess_constraints): Matching constraints affect
6302 same alternative/different operand, not same operand/different
6305 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6306 register and a constant specially.
6308 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6310 * libgcc2.h: New file.
6311 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6313 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6315 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6316 * configure: Regenerate.
6319 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6321 * Makefile.in (LIBCPP_DEPS): New macro.
6322 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6324 * cpperror.c: Include cpphash.h.
6325 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6327 (lex): Don't use CPP_WARN_UNDEF.
6328 (_cpp_parse_expr): Return an int, the truth value.
6329 * cppfiles.c: Include cpphash.h.
6330 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6331 * cppinit.c (include_defaults_array): Disentangle.
6332 (cpp_cleanup): Don't free the if stack here.
6333 (cpp_finish): Pop off all buffers, not just one.
6334 * cpplib.c (eval_if_expr): Return int.
6335 (do_xifdef): Rename do_ifdef.
6336 (handle_directive): Don't use CPP_PREPROCESSED.
6337 (cpp_get_token): Don't use CPP_C89.
6338 * fix-header.c: Don't use CPP_OPTIONS.
6340 * cpplib.h: Move U_CHAR, enum node_type, struct
6341 file_name_list, struct ihash, is_idchar, is_idstart,
6342 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6343 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6344 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6345 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6346 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6347 of _cpp_simplify_pathname, _cpp_find_include_file,
6348 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6349 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6351 Change all uses of U_CHAR to be unsigned char instead.
6352 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6354 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6356 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6357 (dwarf2out_begin_prologue): Set it.
6358 (output_call_frame_info): Don't emit EH unwind info for leaves.
6360 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6361 can occur outside of an EH region.
6362 * except.c: Correct comments about rethrow behavior.
6363 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6365 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6367 * flow.c (make_edges): Always call make_eh_edge for calls.
6369 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6371 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6372 (struct cpp_buffer): Remove fname and underflow fields.
6373 (struct cpp_reader): Remove get_token field.
6374 (struct include_hash): Rename to struct ihash. Add typedef to
6376 (struct if_stack): Remove fname field.
6377 (IF_STACK_FRAME): Rename to IF_STACK.
6379 * cpperror.c (print_containing_files): Trust that there are no
6380 macro buffers below the top file buffer.
6381 * cppfiles.c: Replace all references to 'struct include_hash'
6382 with 'IHASH'. Rename initialize_input_buffer to
6383 init_input_buffer. Don't set or reference cpp_buffer->fname,
6384 use buffer->ihash->name instead.
6385 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6386 not CPP_NULL_BUFFER.
6387 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6388 IF_STACK_FRAME, IHASH not struct include_hash.
6389 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6390 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6391 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6392 references to cpp_buffer->fname (delete entirely, or use
6393 ->ihash->name instead) and IF_STACK->fname.
6394 (cpp_push_buffer): Don't set new->underflow.
6395 (do_include): Use cpp_file_buffer.
6397 * cpphash.c (collect_formal_parameters): Remove duplicate
6398 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6399 used as a macro argument name. Don't append "..." to namebuf
6400 for varargs macros. After we're done scanning, go through
6401 namebuf and make it NUL separated, not comma separated.
6402 (_cpp_compare_defs): Remove register tag from variables.
6403 Expect defn->argnames to be NUL separated.
6404 (_cpp_dump_definition): Expect defn->argnames to be NUL
6405 separated and in forward order.
6406 * cpphash.h: Update documentation of argnames field.
6408 2000-03-08 Richard Henderson <rth@cygnus.com>
6410 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6411 to fail. Don't pre-expand the source operand.
6413 * i386.md (strlensi): Initialize eoschar and align before use.
6415 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6417 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6418 CONSTRUCTOR element.
6420 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6422 * mips.c (mips_expand_prologue): If the last
6423 named argument is the vararg marker "va_list", treat it as
6424 an unnamed argument.
6426 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6428 * dbxout.c (dbxout_parms): When correcting for promoted
6429 big-endian parameters, use the mode of the DECL_RTL rather
6430 than UNITS_PER_WORD.
6432 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6434 * c-common.h (make_fname_decl): Declare.
6435 * c-common.c (make_fname_decl): Define.
6436 (declare_hidden_char_array): Remove.
6437 (declare_function_name): Use make_fname_decl.
6438 * c-decl.c (c_make_fname_decl): New function.
6439 (init_decl_processing): Set make_fname_decl.
6441 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6443 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6445 2000-03-07 Philipp Thomas <pthomas@suse.de>
6447 * po/POTFILES.in: Remove cppalloc.c from file list.
6449 2000-03-07 Steve Chamberlain <sac@pobox.com>
6451 * pj.c (pj_expand_prologue): current_function->args_info is
6452 now current_function_args_info.
6454 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6455 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6456 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6458 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6460 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6461 output as hexadecimal rather than the default octal.
6463 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6465 * cpphash.c (special_symbol): Fix thinko in previous commit.
6467 2000-03-07 Neil Booth <NeilB@earthling.net>
6469 * cppexp.c (struct operation, left_shift, right_shift,
6470 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6471 "int"s to "unsigned int"s.
6472 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6474 * cpplib.h: Update for above.
6475 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6476 returned from allocations.
6478 * cppinit.c (opt_comp, parse_options): New functions.
6479 (handle_option): Use parse_option to parse a single command
6480 line option, that possibly takes an argument.
6481 (cpp_handle_options): Sort the array of command line options on
6482 first invocation (non-ASCII hosts only).
6483 (print_help): Update.
6485 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6487 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6488 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6490 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6492 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6494 * cpperror.c (cpp_print_containing_files,
6495 cpp_print_file_and_line, v_cpp_message): Rename to
6496 print_containing_files, print_file_and_line, and v_message.
6497 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6498 to _cpp_parse_expr, parse_escape, and lex.
6499 (parse_charconst): Remove broken multibyte support.
6500 * cppfiles.c (include_hash): Make static.
6501 (cpp_included): New function.
6502 (merge_include_chains, find_include_file, finclude,
6503 simplify_pathname): Rename to _cpp_merge_include_chains,
6504 _cpp_find_include_file, _cpp_read_include_file, and
6505 _cpp_simplify_pathname.
6506 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6507 cpp_install, create_definition, macroexpand, compare_defs,
6508 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6509 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6510 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6511 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6513 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6515 * cpphash.h: Update prototypes.
6516 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6518 2000-03-07 Andrew Haley <aph@cygnus.com>
6520 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6521 PTRDIFF_TYPE should be based solely on Pmode.
6524 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6526 * rtl.h (rtunion_def): Constify member `rtstr'.
6527 (emit_line_note_after, emit_line_note, emit_line_note_force,
6528 emit_note, decode_asm_operands): Constify.
6530 * cse.c (canon_hash): Likewise.
6532 * dbxout.c (dbxout_block): Likewise.
6534 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6535 v_warning_for_asm): Likewise.
6537 * dwarfout.c (function_start_label): Likewise.
6539 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6540 emit_line_note_force): Likewise.
6542 * final.c (last_filename, asm_insn_count, final_scan_insn,
6543 output_source_line): Likewise.
6545 * function.h (struct emit_status): Likewise.
6547 * gcse.c (hash_expr_1): Likewise.
6549 * genattr.c (gen_attr, main): Likewise.
6551 * genattrtab.c (struct function_unit, current_alternative_string,
6552 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6553 attr_numeral, check_attr_test, check_attr_value,
6554 convert_set_attr_alternative, convert_set_attr,
6555 compute_alternative_mask, simplify_by_exploding, gen_attr,
6556 gen_unit): Likewise.
6558 * genflags.c (gen_insn): Likewise.
6560 * gengenrtl.c (type_from_format): Likewise.
6562 * genopinit.c (gen_insn): Likewise.
6564 * genoutput.c (n_occurrences, process_template, process_template):
6567 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6570 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6573 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6574 ggc_set_mark, ggc_get_size): Likewise.
6576 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6578 * optabs.c (init_one_libfunc): Likewise.
6580 * output.h (assemble_start_function): Likewise.
6582 * recog.c (decode_asm_operands): Likewise.
6584 * toplev.c (rest_of_compilation): Likewise.
6586 * tree.h (emit_line_note_after, emit_line_note,
6587 emit_line_note_force): Likewise.
6589 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6590 asm_emit_uninitialised, assemble_start_function,
6591 assemble_variable, const_hash, compare_constant_1,
6592 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6594 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6596 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6598 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6600 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6602 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6603 arm_dllimport_name_p): Likewise.
6605 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6608 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6610 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6612 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6613 arm_mark_dllexport, arm_mark_dllimport,
6614 arm_pe_encode_section_info): Likewise.
6616 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6617 ASM_FINISH_DECLARE_OBJECT): Likewise.
6619 * arm/thumb.c (thumb_function_prologue): Likewise.
6621 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6623 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6625 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6627 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6629 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6631 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6633 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6634 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6636 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6638 * i386/i386.c (asm_output_function_prefix): Likewise.
6640 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6642 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6644 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6646 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6647 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6648 ASM_OUTPUT_SECTION_NAME): Likewise.
6650 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6652 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6654 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6656 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6658 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6660 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6662 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6664 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6666 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6668 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6670 * mips/mips.md (movdi, movsi): Likewise.
6672 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6674 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6676 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6678 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6679 ASM_OUTPUT_ASCII): Likewise.
6681 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6682 output_mi_thunk, output_toc): Likewise.
6684 * rs6000/rs6000.md (movsi): Likewise.
6686 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6688 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6690 * v850/v850.c (print_operand, print_operand_address,
6691 v850_encode_data_area): Likewise.
6693 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6695 * config/mips/mips.md (zero_extendsidi2): Always force operand
6696 one to memory for mips16.
6698 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6700 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6701 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6702 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6703 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6704 (min_precision): Result is unsigned.
6705 (add_double, neg_double, mul_double): Low word is unsigned.
6706 (lshift_double, rshift_double, lrotate_double): Likewise.
6707 (rrotate_double, div_and_round_double): Likewise.
6708 (tree_floor_log2, compare_tree_int): New functions.
6709 (preserve_rtl_expr_temps): New declaration.
6710 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6711 (decl_attributes): Use tree_log2 to find alignment.
6712 Check for TREE_INT_CST_HIGH for format args.
6713 (min_precision): Now unsigned.
6714 Use tree_floor_log2.
6715 (truthvalue_conversion): Delete long-disabled code.
6716 * c-decl.c (finish_struct): Clean up tests on field width.
6717 (finish_function): Use compare_tree_int.
6718 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6719 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6720 (default_conversion, digest_init): Use compare_tree_int.
6721 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6722 Fix type errors in forming masks.
6723 * calls.c (initialize_argument_information): Use compare_tree_int.
6724 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6725 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6726 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6727 (store_field): Use compare_tree_int.
6728 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6729 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6730 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6731 (do_store_flag): Use compare_tree_int.
6732 * fold-const.c (encode, decode): Low part is always unsigned.
6733 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6734 (lshift_double, rshift_double, lrotate_double): Likewise.
6735 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6736 (fold_convert): Use compare_tree_int.
6737 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6738 (invert_truthvalue, case INTEGER_CST): Likewise.
6739 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6740 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6741 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6742 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6744 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6745 (expand_end_case): Use compare_tree_int.
6746 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6747 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6748 (layout_decl): Likewise.
6749 (layout_record, layout_union): Make sizes unsigned.
6750 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6751 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6752 * tree.c (struct type_hash): hashcode is unsigned.
6753 (build_type_attribute_variant, type_hash_list): Likewise.
6754 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6755 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6756 (build_complex_type): Likewise.
6757 (real_value_from_int_cst): Remove unneeded casts.
6758 (integer_all_onesp): Add casts.
6759 (tree_floor_log2, compare_tree_int): New functions.
6760 (build_index_type): Use tree_int_cst_sgn.
6761 * varasm.c (assemble_variable): Use compare_tree_int.
6763 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6765 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6767 * varasm.c (make_decl_rtl): Don't add a number to members of
6769 (make_function_rtl): Likewise.
6771 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6773 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6774 patch from 2000-01-28.
6776 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6778 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6779 filled with an insn from the jump target.
6781 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6783 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6784 (c4x_external_ref): Likewise.
6785 * config/c4x/c4x.c (struct name_list): Likewise.
6787 1999-12-16 Ben Collins <bcollins@debian.org>
6789 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6790 argument to genmultilib.
6791 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6792 the contents into the multilib.h header.
6793 * gcc.c: Declare multilib_exclusions for the specs file.
6794 (set_multilib_dir): Use it.
6795 (print_multilib_info): Likewise.
6796 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6797 to pass to genmultilib.
6799 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6801 * builtins.c (built_in_class_names, built_in_names): Constify a
6804 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6806 (_mcleanup): Ensure value matches format specifier in sprintf.
6808 * cpphash.c (special_symbol): Don't needlessly cast away
6811 * cppinit.c (base_name): Delete unused prototype.
6813 * mkdeps.c (deps_init): Make definition K&R safe.
6815 * tree.h (built_in_class_names, built_in_names): Constify a
6818 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6820 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6821 floating point instructions for epilogue delay.
6823 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6824 to gas if it supports .register pseudo.
6826 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6827 LONG_DOUBLE_TYPE_SIZE if not defined.
6828 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6829 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6831 * gengenrtl.c: Likewise.
6832 * print-rtl.c: Likewise.
6834 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6835 MASK_LONG_DOUBLE_128.
6836 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6837 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6838 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6839 (SUBTARGET_SWITCHES): Define.
6840 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6841 with -mlong-double-128.
6842 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6843 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6844 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6845 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6846 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6847 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6848 with -mlong-double-128.
6849 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6850 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6851 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6852 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6853 TARGET_LONG_DOUBLE_128): Define.
6854 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6855 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6856 long double on TARGET_ARCH64.
6858 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6860 * function.c (free_temps_for_rtl_expr): Don't free slots
6861 that have been pushed into a higher level.
6864 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6866 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6868 * basic-block.h (ALLOCA_REG_SET): Remove.
6869 (INITIALIZE_REG_SET): New macro.
6870 * flow.c (update_life_info): Use it.
6871 (calculate_global_regs_live): Likewise.
6872 (propagate_block): Likewise.
6873 * global.c (build_insn_chain): Likewise.
6874 * haifa-sched.c (schedule_region): Likewise.
6876 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6878 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6879 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6880 (DWARF_ARANGES_PAD_SIZE): New define.
6881 (output_aranges): Use it to pad the address range header.
6882 (DWARF_ROUND): Fix for non power of 2 rounding.
6884 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6886 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6888 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6890 * tree.def (RTL_EXPR): Update documentation.
6891 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6892 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6893 * function.c (preserve_rtl_expr_temp): New function.
6894 (preserve_rtl_expr_temps): Likewise.
6895 (preserve_rtl_expr_result): Use it.
6898 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6900 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6902 * regmove.c (copy_src_to_dest) Do not create src->dest move
6903 for unchanging destination.
6905 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6907 * function.h (struct sequence_stack): Remove rtl_expr.
6908 (struct emit_staus): Likewise.
6909 (seq_rtl_expr): Remove.
6910 * tree.h (free_temps_for_rtl_expr): Don't declare.
6911 (start_sequence_for_rtl_expr): Likewise.
6912 * rtl.h (preserve_rtl_expr_result): Likewise.
6913 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6914 (start_sequence_for_rtl_expr): Remove.
6915 (push_topmost_sequence): Don't save sequence_rtl_expr.
6916 (pop_topmost_sequence): Remove comment about not restoring it.
6917 (end_sequence): Don't set seq_rtl_expr.
6918 (init_emit): Don't initialize it.
6919 (mark_sequence_stack): Don't mark it.
6920 (mark_emit_status): Likewise.
6921 * except.c (protect_with_terminate): Use
6922 start_sequence_for_rtl_expr, not start_sequence.
6923 * expr.c (expand_expr, case RTL_EXPR): Don't call
6924 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6925 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6926 (preserve_rtl_expr_result): Remove.
6927 (free_temps_for_rtl_expr): Likewise.
6928 (pop_temp_slots): Likewise.
6929 (mark_temp_slot): Don't mark the rtl_expr.
6930 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6931 start_sequence_for_rtl_expr.
6933 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6935 * mkdeps.c, mkdeps.h: New files.
6936 * po/POTFILES.in: Add them.
6937 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6938 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6939 (mkdeps.o): New target.
6941 * cppfiles.c: Delete deps_output.
6942 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6943 OBJECT_SUFFIX, and base_name.
6944 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6946 (initialize_dependency_output): Use deps_init,
6947 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6948 all the unnecessary string bashing.
6949 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6951 * cpplib.c (do_include): Use deps_add_dep.
6952 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6953 deps_allocated_size, deps_size, deps_column members with
6954 single pointer to a struct deps. Delete prototype of
6957 * cppinit.c: Fix thinko in previous patch.
6959 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6961 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6962 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6963 (mode_for_size_tree): New function.
6964 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6965 * tree.h (mode_for_size_tree): New declaration.
6967 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6969 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6971 * stmt.c (is_body_block): Move...
6972 * dwarfout.c, dwarf2out.c: ...from here.
6973 * tree.h: Declare it.
6974 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6975 * final.c (final_start_function): Do call remove_unnecessary_notes
6978 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6980 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6982 * cpplib.h (_dollar_ok): New macro.
6983 (is_idchar, is_idstart): Use it.
6984 (IStable): Rename to _cpp_IStable. Declare it const if
6985 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6986 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6987 is_space): Update for renamed IStable.
6989 * cppinit.c: Delete all references to FAKE_CONST and CAT
6990 macros. Define init_IStable as empty macro if gcc >=2.7 or
6991 C99. Change TABLE() to ISTABLE and hardcode name of table.
6992 (cpp_start_read): Don't change the IStable based on
6995 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6996 changed. Handle '$' for char1 correctly.
6997 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6999 * cppexp.c (tokentab2): Make const.
7000 (cpp_lex): Make toktab const.
7001 * cppinit.c (include_defaults_array): Make const.
7002 (initialize_standard_includes): Make default_include const.
7004 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7006 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7007 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7008 (gen_decl_die): Likewise.
7009 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7010 (output_decl): Likewise.
7012 * varasm.c (make_function_rtl): If we change the name used in the
7013 rtl, update DECL_ASSEMBLER_NAME accordingly.
7014 (make_decl_rtl): Likewise.
7016 * toplev.c (rest_of_compilation): Tweak formatting.
7018 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7019 remove_unnecessary_notes.
7020 (debug_ignore_block): New fn.
7021 * toplev.h: Declare it.
7022 * emit-rtl.c (remove_unncessary_notes): Call it.
7023 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7024 * dwarf2out.h: Declare it.
7025 * final.c (final_start_function): Don't call remove_unnecessary_notes
7026 if we did insn scheduling.
7028 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7030 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7031 * cpplib.h: Delete SET_CPP_PEDANTIC.
7033 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7036 result is a RECORD_TYPE.
7038 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7040 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7042 2000-03-03 Richard Henderson <rth@cygnus.com>
7044 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7045 addition over compliments over shifts.
7047 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7049 * reload1.c (reload_combine_note_use): Handle return register USEs.
7050 REG case: Handle multi-hard-register hard regs.
7052 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7054 * md.texi: Document use of '*' in insn pattern name.
7056 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7058 * calls.c (special_function_p): operator new may not be malloc-like.
7060 * gcse.c (dump_hash_table): Really fix error in last change.
7062 2000-03-02 Denis Chertykov <denisc@overta.ru>
7064 * avr.c (print_operand): Use print_operand_address instead of
7066 * avr/libgcc.S: Cleanup code.
7068 2000-03-02 Richard Henderson <rth@cygnus.com>
7070 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7072 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7074 * tree.h (TYPE_ALIGN_UNIT): New macro.
7076 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7078 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7080 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7082 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7084 (SET_CPP_PEDANTIC): New macro.
7085 * cpplib.c (do_include): Don't bother checking system_header_p.
7086 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7087 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7089 * function.h (struct expr_status): Add x_arg_space_so_far.
7090 (arg_space_so_far): New macro.
7091 * expr.c (init_expr): Initialize it.
7092 * calls.c (emit_call_1): Reset it.
7093 (compute_argument_block_size, expand_call): Use it.
7094 (expand_call, store_one_arg): Increment it.
7096 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7098 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7101 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7103 * cppfiles.c (cpp_read_file): New function.
7105 * cpphash.c (collect_expansion): Make sure to reset last_token
7106 to NORM when we hit a string. Handle trailing whitespace
7107 properly when the expansion is empty.
7108 (create_definition): Disable line commands while parsing the
7110 (dump_definition): If pfile->lineno == 0, output a line
7111 command ahead of the dump, and add a trailing newline.
7113 * cppinit.c (append_include_chain): Add fifth argument, which
7114 indicates whether or not system headers are C++ aware.
7115 (initialize_standard_includes): New function,
7116 broken out of read_and_prescan. Pass 'cxx_aware' value from
7117 the include_defaults_array on to append_include_chain.
7118 (dump_special_to_buffer): Const-ify char array.
7119 (builtin_array): Don't dump __BASE_FILE__.
7120 (cpp_start_read): Use cpp_read_file. Reorder code for
7121 clarity. Don't output line commands here for -D/-A/-U
7122 switches. Don't call deps_output for files included with
7123 -include or -imacros.
7125 * cpplib.c (do_define): Don't pay any attention to the second
7127 (cpp_expand_to_buffer): Disable line commands while scanning.
7128 (output_line_command): Work in the file buffer.
7129 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7130 Fix formatting of comments. Prototype cpp_read_file.
7132 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7134 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7135 reference the language-equivalent of sizetype.
7136 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7137 * fold-const.c (size_binop, size_diffop): Put back checks.
7138 * gcse.c (dump_hash_table): Fix minor error in last change.
7139 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7140 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7143 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7145 * calls.c (expand_call) Do not attempt to combine stack adjustments
7146 with inhibit_defer_pop set.
7148 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7150 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7151 the DECL_SIZE for a FIELD_DECL.
7153 2000-03-01 Bruce Korb <bkorb@gnu.org>
7155 * fixinc/inclhack.tpl: remove unused symlinks
7156 * fixinc/README: GCC Maintainer info
7157 * fixinc/inclhack.sh: regen
7158 * fixinc/fixincl.sh: regen
7160 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7162 * cpphash.c (collect_expansion): Trim trailing white space
7163 from macro definitions, but don't go past the last insertion
7166 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7168 * i386.md (mulqi3): New pattern.
7170 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7172 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7174 (struct cpp_reader): Add parsing_if_directive and
7175 parsing_define_directive flags.
7176 (struct cpp_options): Remove output_conditionals flag.
7177 (check_macro_name): Delete prototype.
7179 * cpphash.h (struct macrodef): Delete.
7180 (struct reflist): Separate from struct definition.
7181 (struct definition): Remove unused fields. Add column number.
7182 (create_definition): Returns a DEFINITION *. Takes a
7183 cpp_reader * and an int.
7185 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7186 (PEEKC): Copy defn from cpplib.c.
7187 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7189 (struct arglist): Simplify.
7190 (collect_expansion): Rewrite. Get tokens by calling
7191 cpp_get_token. Add more error checking.
7192 (collect_formal_parameters): New function, broken out of
7193 create_definition and reworked to use get_directive_token.
7194 (create_definition): All real work is now in collect_expansion
7195 and collect_formal_parameters. do_define handles finding the
7196 macro name. Return a DEFINITION, not a MACRODEF.
7197 (macroexpand): Replace bcopy with memcpy throughout. Replace
7198 character-at-a-time copy loop with memcpy and pointer increments.
7199 (compare-defs): d1->argnames / d2->argnames might be null.
7201 * cpplib.c (copy_rest_of_line): Delete function.
7202 (skip_rest_of_line): Do all the work ourselves.
7203 (skip_string): New function.
7204 (parse_string): Use skip_string.
7205 (get_macro_name): New function.
7206 (check_macro_name): Delete.
7207 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7208 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7209 (handle_directive): ICE if we're called on a macro buffer.
7210 (do_define): Determine macro name and type (funlike/objlike)
7211 here. Expunge all uses of MACRODEF.
7212 (cpp_push_buffer): Set line_base to NULL.
7213 (do_undef, read_line_number): Don't worry about getting a POP token.
7214 (eval_if_expression): Set/reset parsing_if_directive around
7215 cpp_parse_expr. Don't clear only_seen_white.
7216 (skip_if_group): Remove output_conditionals logic. Use
7218 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7219 tokens under appropriate conditions.
7220 (cpp_unassert): Call do_unassert not do_assert. Oops.
7222 * cppexp.c (parse_defined): New function, break out of
7224 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7225 ourselves, with cpp_defined.
7226 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7228 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7229 * gcc.dg/strpaste-2.c: New.
7231 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7233 * fold-const.c (size_binop): Don't asert inputs are the same and
7234 have TYPE_IS_SIZETYPE set.
7235 (size_diffop): Likewise.
7237 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7239 * dwarfout.c (output_block): Output abstract blocks even if they
7240 don't have TREE_ASM_WRITTEN set.
7242 * calls.c (emit_library_call): Check for null REG.
7244 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7246 * c-decl.c (current_function_decl): Move to toplev.c.
7247 (init_decl_processing): Don't add current_function_decl as a ggc
7249 * dbxout.c (dbxout_symbol): Change return type to int.
7250 (dbxout_symbol_location, dbxout_syms): Likewise.
7251 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7252 any locals. Use current_function_func_begin_label if set.
7253 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7254 * dwarf2out.c (dwarf2out_begin_prologue): Set
7255 current_function_func_begin_label.
7256 * final.c (final_start_function): Reset it.
7257 * toplev.c (current_function_decl): Define it here.
7258 (current_function_func_begin_label): New variable.
7259 (main): Add both as ggc roots.
7260 * tree.h (current_function_func_begin_label): Declare.
7262 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7264 * gcse.c: Cleanups throughout: mostly white-space, but also
7265 some minor rearrangement of code.
7267 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7269 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7270 returns a PARALLEL. Use emit_group_load and use_group_regs
7272 (emit_library_call_value): Similarly.
7274 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7275 * pa/quadlib.asm: Remove.
7276 * pa/quadlib.c: New file.
7278 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7279 * configure: Rebuilt.
7281 2000-02-29 Philip Blundell <pb@futuretv.com>
7283 * config/arm/conix-elf.h: New file.
7284 * configure.in (arm*-*-conix*): New configuration.
7285 * configure: Regenerate.
7287 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7289 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7290 don't have TREE_ASM_WRITTEN set.
7292 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7294 * Eliminate DECL_FIELD_SIZE.
7295 * builtins.c (built_in_class_names, built_in_names): New variables.
7296 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7297 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7298 DECL_SIZE, not DECL_FIELD_SIZE.
7299 * print-tree.c (print_node): Remove code that prints extra blank
7300 lines in some cases.
7301 Properly handle inline and builtin function cases.
7302 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7303 * tree.h (built_in_class_named, built_in_names): New declarations.
7304 (union tree_decl): Rename internal unions to u1 and u2 and change
7305 some of their components.
7306 Add new field built_in_class.
7307 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7308 Reflect above changes.
7309 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7310 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7311 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7312 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7314 2000-02-28 Dmitri Makarov <dim@windriver.com>
7316 * extend.texi: Document ARM's support for long/short calls.
7318 * invoke.texi: Document ARM's -mlong-calls command line switch.
7320 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7321 (arm_encode_call_attribute): Add prototype.
7322 (arm_set_default_type_attribute): Add prototype.
7323 (arm_strip_name_encoding): Add prototype.
7325 * config/arm/arm.c (arm_init_cumulative_args): replace
7326 initialisation og 'long_calls' field with initialisation of
7327 'call_cookie' field.
7328 (enum arm_pragma_enum): New enum.
7329 (arm_pragma_long_calls): New static variable.
7330 (arm_process_pragma): Also process "#pragma long_calls_off".
7331 (arm_valid_type_attribute_p): Accept short_call attribute.
7332 (arm_comp_type_attributes): Check long/short call attributes.
7333 (arm_encode_call_attribute): New function: Encode long_call
7334 or short_call attribute in function name.
7335 (arm_set_default_type_attributes): New function: Assign
7336 default attributes to newly defined type.
7337 (current_file_function_operand): New function: Return true if
7338 the symbol is a function which has already been compiled.
7339 (arm_is_longcall_p): New function: Return true if the
7340 indicated function should be called via a long call.
7341 (arm_get_strip_length): New function. Returns number of
7342 prefix characters to be stripped from a function's name.
7343 (arm_strip_name_encoding): New function. Strip prefix characters
7344 from a function's name.
7346 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7348 (SHORT_CALL_FAG_CHAR): Define.
7349 (LONG_CALL_FAG_CHAR): Define.
7350 (ENCODED_SHORT_CALL_ATTR_P): Define.
7351 (ENCODED_LONG_CALL_ATTR_P): Define.
7352 (ARM_NAME_ENCODING_LENGTHS): Define.
7353 (STRIP_NAME_ENCODING): Define.
7354 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7355 (ARM_ENCODE_CALL_TYPE): Define.
7356 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7357 (ARM_DECLARE_FUNCTION_SIZE): Define.
7358 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7360 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7361 if a long call is needed.
7362 (call_value): Ditto.
7363 (call_symbol): Ditto.
7365 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7366 ARM_DECLARE_FUNCTION_SIZE.
7368 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7369 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7370 (ARM_STRIP_NAME_ENCODING): Undefine.
7371 (STRIP_NAME_ENCODING): Undefine.
7372 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7373 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7374 (ASM_OUTPUT_COMMON): Ditto.
7375 (ASM_DECLARE_OBJECT_NAME): Ditto.
7377 * config/arm/pe.c (arm_dllexport_name_p): Check for
7379 (arm_dllimport_name_p): Ditto.
7380 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7381 (arm_mark_dllimport): Ditto.
7383 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7385 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7387 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7389 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7391 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7393 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7394 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7395 NO_BUILTIN_WCHAR_TYPE is not defined.
7396 (CPP_WCHAR_TYPE): Delete.
7397 * cccp.c (main): Don't change wchar_type if cplusplus.
7398 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7400 2000-02-28 Nick Clifton <nickc@cygnus.com>
7402 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7404 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7406 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7407 (ASM_WEAKEN_LABEL): Define.
7409 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7411 * expr.c (store_constructor): Do not emit USE.
7412 * rtl.h (stupid_life_analysis): Remove.
7414 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7416 * function.c (number_blocks): Reset next_block_index based on
7417 what debugging format is used, not what is defined.
7419 * lcm.c: Minor reformatting throughout.
7420 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7422 * toplev.c (rest_of_compilation): Account for time in
7423 optimize_mode_switching.
7425 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7426 if only marking labels.
7428 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7430 * calls.c (expand_call): Attempt to combine stack adjustments with
7431 pending stack adjustments.
7433 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7435 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7436 to the end of the function.
7438 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7440 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7442 * final.c (next_block_index): Remove.
7443 (max_block_depth): Likewise.
7444 (pending_blocks): Likewise.
7445 (init_final): Don't initialize them.
7446 (final_start_function): Don't set next_block_index. Set up
7448 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7449 * function.h (number_blocks): New function.
7450 * function.c (get_block_vector): New function.
7451 (identify_blocks): Use it.
7452 (reorder_blocks): Set NOTE_BLOCK.
7453 (number_blocks): New function.
7454 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7455 * tree.h (BLOCK_NUMBER): New macro.
7456 (tree_block): Add block_num field.
7457 * dbxout.c (next_block_number): Remove.
7458 (dbxout_init): Don't set it.
7459 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7460 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7462 * toplev.c (rest_of_compilation): Always call
7463 find_loop_tree_blocks. Fix indentation.
7464 * dwarf2out.c (next_block_number): Remove.
7465 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7466 to determine block numbers.
7467 (gen_inlined_subroutine_die): Likewise.
7468 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7469 (decls_for_scope): Don't increment next_block_number.
7470 * dwarfout.c (next_block_number): Remove.
7471 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7472 to determine block numbers.
7473 (output_inlined_subroutine_die): Likewise.
7474 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7475 (output_decls_for_scope): Don't increment next_block_number.
7476 * sdbout.c (next_block_number): Remove.
7477 (sdbout_block): Use BLOCK_NUMBER.
7478 (sdbout_begin_block): Simplify.
7479 * xcoffout.c (next_block_number): Remove.
7480 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7481 (xcoffout_begin_block): Don't set next_block_number.
7482 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7485 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7487 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7488 (expand_builtin_strcpy): Pass correct type to size_binop.
7489 (expand_builtin_strcmp): Likewise.
7490 Clean up conditional structure.
7491 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7492 (complete_array_type): Don't use size_binop for MAXINDEX.
7493 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7494 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7495 (c_alignof): Use size_one_node.
7496 (build_unary_op): Pass arg of proper type to size_binop.
7497 (really_start_incremental_init, push_init_level): Use sizetype for
7498 constructor{,_bit,_unfilled}_index.
7499 (pop_init_label, output_init_element): Likewise.
7500 (output_pending_init_elements, process_init_element): Likewise.
7501 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7502 * expr.c (store_expr): Use size_int.
7503 (store_constructor): Use proper types for size_binop args.
7504 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7505 (expand_expr_unaligned): Likewise.
7506 (string_contant): Return object of sizetype.
7507 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7508 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7509 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7510 * fold-const.c (int_const_binop): Refine when size_int is called.
7511 (fold_convert): Likewise.
7512 (size_int_wide): Rework to take KIND as arg, only take low order
7513 bits, handle new sizetype_tab datatype, and chain entries in
7515 (size_int_type_wide): New function.
7516 (size_binop): Validate types of arguments.
7517 (ssize_binop): Deleted.
7518 (size_diffop): New function.
7519 (extract_muldiv): Only fold division into multiplication for sizetypes.
7520 * function.c (assign_parms): Use size_diffop and make sure
7521 VAR field is of ssizetype; also pass proper type to size_binop.
7522 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7523 (round_down): Deleted from here.
7524 * store-layout.c (sizetype_tab): Now an array.
7525 (sizetype_set, early_root_list): New variables.
7526 (variable_size): Use size_one_node.
7527 (round_up): Pass proper type to size_binop.
7528 (round_down): Moved to here and corrected as above.
7529 (layout_record): Pass proper arg types to size_binop.
7530 (layout_type): Likewise.
7531 If sizetype_set is zero, record the type just laid out.
7532 (make_unsigned_type): Don't call set_sizetype;
7533 (make_signed_type): Likewise; also, call fixup_signed_type.
7534 (initialize_sizetypes): New function.
7535 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7536 set name of bitsizetype to "bit_size_type".
7537 Fix up type of sizes of all types made before call.
7538 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7539 * tree.c (fix_sizetype): Deleted.
7540 (build_common_tree_nodes): Call initialize_sizetypes.
7541 (build_common_tree_nodes_2): Don't call fix_sizetype.
7542 * tree.h (TYPE_IS_SIZETYPE): New macro.
7543 (initialize_sizetype): New declaration.
7544 (enum size_type_kind): New type.
7545 (struct sizetype_tab): Deleted.
7546 (sizetype_tab): Now array; adjust sizetype macros.
7547 (size_diffop, size_int_type_wide): New functions.
7548 (size_int_wide): Change number of args and type; access macros changed.
7549 (ssize_int, sbitsize_int): New macros.
7550 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7551 (ROUND_TYPE_SIZE_UNIT): New macro.
7553 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7555 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7557 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7559 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7560 Mark as possibly unused.
7562 * cse.c (cse_insn): Delete dead code involving tablejump.
7563 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7565 * Makefile.in (libcpp.a): Start by deleting it.
7567 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7569 * cpplib.h (enum file_change_code): Added rename_file.
7570 * cpplib.c (do_line): If a filename is given, set file_change to
7572 (output_line_command): If file_change is rename_file, always
7573 output a # directive with the file name.
7575 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7577 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7579 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7580 when copying a PARM_DECL or RESULT_DECL.
7582 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7584 * fix-header.c (recognized_function): Also fix prototypes for
7585 functions taking "void".
7587 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7589 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7590 looking at reg_reloaded_contents.
7592 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7594 * Makefile.in (STMP_FIXINC): New toggle.
7595 (LIBGCC2_DEPS): Delete all references.
7596 (stmp-headers): Delete target. All references either deleted
7597 or changed to stmp-int-headers.
7598 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7599 (LIBCPP_OBJS): Take out cppalloc.o.
7600 (cppalloc.o): Delete target.
7601 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7602 (gen-protos, fix-header): Link with libiberty.a.
7603 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7606 * configure.in: Remove refs to strerror.
7607 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7608 * system.h: Take out strerror stanza.
7610 * cpperror.c (my_strerror): Delete function.
7611 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7612 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7613 * cppalloc.c: Delete file.
7614 * gen-protos.c: Don't provide xrealloc.
7616 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7617 xstrerror throughout.
7619 2000-02-26 Bruce Korb <bkorb@gnu.org>
7621 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7622 match for DOS headers, too.
7623 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7625 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7627 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7628 is right for most ELF targets.
7629 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7630 Let the default file use %U properly.
7631 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7634 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7637 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7639 * toplev.c (documented_lang_options): Correct spelling error.
7640 (decode_d_option, decode_f_option, main): Likewise.
7642 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7644 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7645 to tell assembler it is permitted to expand large constants.
7647 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7649 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7650 (aux_info_suffix): Use.
7651 (SAVE_SUFFIX): New macro.
7653 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7654 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7655 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7657 * invoke.texi (Running Protoize): Update documentation.
7659 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7661 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7663 2000-02-25 John Wehle (john@feith.com)
7665 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7667 2000-02-25 Anthony Green <green@cygnus.com>
7669 * toplev.c (rest_of_compilation): Rebuild jump labels if
7670 combine_instructions has created a new direct jump.
7671 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7673 (combine_instructions): Call try_combine with new argument.
7674 Return non-null value when new direct jump instruction is created.
7675 * rtl.h: combine_instructions returns an int.
7677 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7679 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7680 jump when changing a computed jump into a jump to a known
7683 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7685 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7686 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7688 * i386.md (define_expand "clrstrsi"): Fix typo.
7690 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7692 * rtl.texi: Fix typo.
7694 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7696 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7697 UNITS_PER_WORD. Change caller initial_elimination_offset.
7698 (rounded_frame_size): Take into account that argument pushed has
7699 changed. Fix TARGET_ALIGN_DOUBLE problem.
7701 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7703 * haifa-sched.c (schedule_block): Explain the real reason
7704 we delete REG_SAVE_NOTEs on the first insn of a block.
7705 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7707 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7709 * input.h (push_srcloc): New function.
7710 (pop_srcloc): Likewise.
7711 * toplev.c (push_srcloc): Define it.
7712 (pop_srcloc): Likewise.
7714 2000-02-24 Richard Henderson <rth@cygnus.com>
7716 * flow.c (life_analysis): When collecting reg info, clear
7719 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7721 Fix bug exposed by reload.c no longer rounding the frame
7722 size to BIGGEST_ALIGNMENT:
7723 * sh.c (rounded_frame_size): New function.
7724 (sh_expand_prologue, sh_expand_epilogue): Use it.
7725 (initial_elimination_offset): Likewise.
7727 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7729 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7730 * sh-protos.h (sh_need_epilogue): Declare.
7731 * sh.c (sh_need_epilogue_known): New static variable.
7732 (sh_need_epilogue): New function.
7733 (function_epilogue): Clear need_epilogue_known.
7734 * sh.md (return): Split into expander / insn pattern.
7735 Make the expander conditional on ! sh_need_epilogue ().
7737 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7739 * machmode.h (get_mode_alignment): Declare.
7740 (GET_MODE_ALIGNMENT): Call it.
7741 * stor-layout.c (get_mode_alignment): New function. Make
7742 sure alignment is always power of 2.
7744 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7746 * i386.h: Remove useless definition of "I386" and misleading
7749 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7751 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7752 under which TREE_PERMANENT will be set.
7753 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7754 build1): Use TREE_SET_PERMANENT.
7755 * print-tree.c (print_node): Don't report value of
7756 TREE_PERMANENT if ggc_p is true.
7758 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7759 decide whether to give a type a new alias set.
7760 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7761 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7762 of value of 'obstack'.
7765 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7767 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7769 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7771 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7772 * cpplib.c (cpp_get_token): Produce them.
7773 * cppexp.c (cpp_lex): Handle them.
7775 2000-02-23 Nick Clifton <nickc@cygnus.com>
7777 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7778 comment tests on type attributes.
7780 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7782 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7783 conform to documentation.
7784 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7785 to check for special cases.
7786 * sh-protos.h (sh_loop_align): Declare.
7787 * sh.c (sh_loop_align): Define.
7789 2000-02-22 Andrew Haley <aph@cygnus.com>
7791 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7792 (SIZE_TYPE): Is 32 bits when using -mgp32.
7793 (PTRDIFF_TYPE): Ditto.
7795 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7797 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7799 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7801 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7802 BIGGEST_FIELD_ALIGNMENT a constant.
7804 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7806 * dwarf2out.c (output_line_info): Put the marker for the end of
7807 the line number info at the actual end.
7808 (gen_struct_or_union_type_die): Use decl_function_context
7809 to check for local classes.
7810 * dwarfout.c (output_type): Likewise.
7812 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7814 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7815 for arguments with a mode, but no type.
7816 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7817 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7818 * pa/long_double.h: New file.
7819 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7820 both have 128bit wide long doubles.
7821 * configure: Rebuilt.
7823 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7825 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7827 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7828 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7829 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7831 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7833 * integrate.c (compare_blocks, find_block): Likewise.
7835 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7837 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7839 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7840 expand_asm_operands): Likewise.
7842 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7844 * predict.c (estimate_probability): Added the pointer heuristic to
7845 the collection of static branch predictors.
7847 2000-02-21 Catherine Moore <clm@cygnus.com>
7849 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7850 * invoke.texi (-mfix7000): Document.
7852 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7854 * diagnostic.c (init_output_buffer): Make it possible to output at
7855 least 32 characters if we're given a too long prefix.
7857 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7859 * varasm.c (initializer_constant_valid_p): Call
7860 lang_expand_constant to simplify the constant.
7862 2000-02-20 Bruce Korb <bkorb@gnu.org>
7864 * fixinc/inclhack.def(stdio_va_list):
7865 typedef needs to be disabled.
7866 * fixinc/inclhack.sh: regen
7867 * fixinc/fixincl.x: regen
7869 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7871 * print-rtl.c (print_rtx): Don't print addresses when
7872 flag_dump_unnumbered.
7874 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7876 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7878 (sparc_va_arg, sparc_flat_output_function_prologue,
7879 sparc_flat_output_function_epilogue): Cast value to unsigned in
7881 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7883 * sparc.md: Add default case in switch.
7885 2000-02-19 Richard Henderson <rth@cygnus.com>
7887 * c-typeck.c (add_pending_init): Don't abort for multiple
7888 fields at the same offset.
7889 (pending_init_member): Test the correct member.
7891 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7893 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7895 (start_catch_handler) : Same.
7897 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7899 * Makefile.in: Have flow.o depend on $(EXPR_H)
7901 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7903 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7904 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7905 (finish_decl): Remove -Wlarger-than code from here.
7906 * flags.h (id_clash_len): Now int.
7907 (larger_than_size): Now HOST_WIDE_INT.
7908 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7909 Clean up checking to see if in table.
7910 (make_bit_field_ref): Remove extra parm to bitsize_int.
7911 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7912 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7913 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7914 and for computing size of decl.
7915 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7916 Move -Wlarger-than code to here.
7917 (layout_record): Remove extra arg to bitsize_int.
7918 Set TYPE_BINFO_SIZE_UNIT.
7919 (layout_union): Remove extra arg to bitsize_int.
7920 Use proper type for size of QUAL_UNION.
7921 (layout_type): Remove extra arg to bitsize_int.
7922 * toplev.c (id_clash_len): Now int.
7923 (larger_than_size): Now HOST_WIDE_INT.
7924 (decode_W_option): Clean up id-clash and larger-than- cases.
7925 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7926 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7927 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7928 (struct tree_decl): New field size_unit.
7929 (size_int_wide): No HIGH operand; NUMBER is now signed.
7930 (size_int_2): Deleted.
7931 (size_int, bitsize_int): Don't use it and rework args.
7932 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7934 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7936 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7938 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7940 * invoke.texi (Warning Options): Add an explanation of why
7941 you might want the -Wfloat-equal flag.
7943 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7945 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7946 * cppinit.c (new_pending_define): Add cast to avoid warning.
7947 * expmed.c (extract_bit_field): Likewise.
7948 * flow.c (enum reorder_skip_type): New type.
7949 (skip_insns_between_blcok): New it.
7950 Rework to avoid warning about possibly undefined variable.
7951 * function.c (assign_parms): Make thisparm_boundary unsigned.
7952 * genrecog.c (write_switch): Cast XWINT result to int.
7953 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7954 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7955 one for MIPS and one for Alpha.
7956 (get_tag, copy_object): Add casts to avoid warnings.
7957 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7958 * reload.c (find_reloads): Make TYPE enum reload_type.
7959 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7960 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7961 * varasm.c (compare_constant_1): Add cast to avoid warning.
7962 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7964 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7965 Cast switch operand of size to int.
7966 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7967 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7970 2000-02-18 Nick Clifton <nickc@cygnus.com>
7972 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7973 anything for an alignment of zero.
7975 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7976 anything for an alignment of zero.
7978 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7980 * gcc.texi (Bug Reporting): Refer to bugs.html.
7981 (Bug Lists): Likewise.
7982 * system.h (GCCBUGURL): New preprocessor define.
7983 * rtl.c (fancy_abort): Use it.
7984 * gcc.c (main): Likewise.
7986 2000-02-18 Richard Henderson <rth@cygnus.com>
7988 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7989 (life_analysis_1): Subsume into ...
7990 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7991 Use update_life_info for the relaxation.
7992 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7993 entry and regs_live_at_setjmp.
7994 (set_noop_p): Simplify.
7995 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7996 (record_volatile_insns): Split into ...
7997 (delete_noop_moves): ... here,
7998 (notice_stack_pointer_modification): ... here,
7999 (insn_dead_p): ... and here.
8000 (propagate_block): Don't query INSN_VOLATILE.
8001 (mark_used_regs): Mind !PROP_REG_INFO.
8002 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8003 not in life_analysis.
8005 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8007 * loop.c (canonicalize_condition): New function,
8008 broken out of get_condition.
8009 (get_condition): Use it.
8010 * expr.h (canonicalize_condition): Prototype it.
8012 * tree.h (tree_int_cst_msb): Declare.
8013 * tree.c (tree_int_cst_msb): New function.
8015 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8017 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8020 * invoke.texi (-fmessage-length=n): Document.
8022 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8024 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8026 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8028 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8031 2000-02-17 Nick Clifton <nickc@cygnus.com>
8033 * config/arm/thumb.c: Replace includes of system headers with
8034 #include "system.h".
8036 2000-02-16 Richard Henderson <rth@cygnus.com>
8038 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8039 Add crtbeginS.o and crtendS.o.
8040 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8041 (ENDFILE_SPEC): Use crtendS.o.
8042 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8044 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8045 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8047 (__dso_handle): New variable.
8048 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8049 bias to __CTOR_END__.
8051 2000-02-16 Richard Henderson <rth@cygnus.com>
8053 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8055 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8057 * longlong.h (__clz_tab): Declare as static to match definition.
8059 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8060 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8061 (XREF_FILE_NAME): Define.
8063 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8064 (EH_FRAME_SECTION_ASM_OP): Define.
8065 (IDENT_ASM_OP): Define.
8066 (TEXT_SECTION_ASM_OP): Define.
8068 (CTORS_SECTION_ASM_OP): Define.
8069 (CTOR_SECTION_FUNCTION): Use it.
8070 (DTORS_SECTION_ASM_OP): Define.
8071 (DTOR_SECTION_FUNCTION): Use it.
8073 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8075 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8078 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8079 debug_bb_n): New functions.
8080 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8081 * basic-block.h: Prototype new functions.
8083 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8085 * configure.in: Add support for avr target.
8086 * configure: Rebuilt.
8088 * invoke.texi: Add AVR invocation docs.
8089 * install.texi: Add information about AVR.
8090 * md.texi: Add AVR constraint letters description.
8091 * extend.texi: Add description for AVR specific attributes.
8093 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8095 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8097 2000-02-16 Nick Clifton <nickc@cygnus.com>
8099 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8100 (make_insn_raw): Move RTL check here.
8102 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8104 * version.c: Include gansidecl.h and version.h.
8106 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8108 * configure.in (gcc_version): When setting, narrow search to
8109 lines containing `version_string'.
8111 * Makefile.in (mainversion): Likewise.
8112 (GCC_H): New variable.
8113 (gcc.h): Delete target.
8114 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8115 (version.o): Depend on version.h.
8116 (dbxout.o): Don't depend on gcc.h.
8118 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8119 Michael Meissner <meissner@cygnus.com>
8121 * md.texi (Simple Constraints): Add item about whitespace.
8122 * genoutput.c (strip_whitespace): New.
8123 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8124 strip_whitespace for constraints.
8125 Test pointer using NULL, not 0.
8127 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8129 * cpplib.c (do_line): Pedwarn for #line > 32767.
8131 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8133 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8135 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8136 to default cpp spec.
8137 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8138 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8141 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8144 2000-02-15 Denis Chertykov <denisc@overta.ru>
8146 * configure.in: Add support for avr target.
8148 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8150 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8151 (sh_addr_diff_vec_mode): Don't declare.
8152 * sh.c (sh_addr_diff_vec_mode): Delete.
8154 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8156 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8158 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8160 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8161 (smulsi3_highpart_i): Name.
8162 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8163 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8164 (smulsi3_highpart, umulsi3_highpart): Likewise.
8166 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8167 correctly independent of endianness.
8168 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8169 confuse the optimizers.
8170 (mulsidi3+1, umulsidi3+1): New define_split.
8172 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8174 * config/sh/sh.md: Guard insn splits against illegal registers.
8175 * config/sh/sh.h: Correct comment about macros.
8177 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8178 Andrew MacLeod <amacleod@cygnus.com>
8180 * Makefile.in (lcm.o): Depend on insn-attr.h.
8181 * basic-block.h (optimize_mode_switching): Declare.
8182 * lcm.c (tm_p.h, insn-attr.h): #include.
8183 (seginfo, bb_info): New structs.
8184 (antic, transp, comp, delete, insert) : New file-scope static variables.
8185 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8186 (reg_becomes_live, optimize_mode_switching): Likewise.
8187 * tm.texi: Add description of mode switching macros.
8188 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8190 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8191 (fldi_ok, fpscr_set_from_mem): New prototypes.
8192 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8193 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8194 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8195 (sh_flag_remove_dead_before_cse): Remove declaration.
8196 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8197 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8198 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8199 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8200 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8201 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8202 (fldi_ok): New function.
8203 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8204 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8205 (emit_df_insn): Likewise.
8206 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8207 (sh_flag_remove_dead_before_cse): Delete.
8208 (get_free_reg, fpscr_set_from_mem): New functions.
8209 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8210 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8212 2000-02-15 Loren Rittle <ljrittle@acm.org>
8214 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8216 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8218 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8219 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8221 * cccp.c: Include version.h and/or don't declare `version_string'.
8222 * collect2.c: Likewise.
8223 * alpha.c: Likewise.
8224 * arm/aof.h: Likewise.
8225 * arm/coff.h: Likewise.
8226 * arm/elf.h: Likewise.
8227 * arm/pe.h: Likewise.
8228 * arm/tcoff.h: Likewise.
8229 * arm/telf.h: Likewise.
8230 * arm/tpe.h: Likewise.
8231 * arm/vxarm.h: Likewise.
8232 * convex/convex.c: Likewise.
8233 * i386/dgux.c: Likewise.
8234 * i386/sun386.h: Likewise.
8235 * m88k/m88k.c: Likewise.
8236 * mcore/mcore-pe.h: Likewise.
8237 * mips/mips.h: Likewise.
8238 * romp/romp.h: Likewise.
8239 * sh/sh.c: Likewise.
8240 * cpphash.c: Likewise.
8241 * cppinit.c: Likewise.
8242 * dwarf2out.c: Likewise.
8243 * dwarfout.c: Likewise.
8246 * mips-tfile.c: Likewise.
8247 * protoize.c: Likewise.
8248 * toplev.c: Likewise.
8251 * version.c (version_string): Constify a char*.
8253 * version.h: New file.
8255 2000-02-14 Nick Clifton <nickc@cygnus.com>
8257 * configure.in: Add mcore-elf and mcore-pe targets.
8258 * configure: Regenerate.
8260 * NEWS: Add note that MCore port has been contributed.
8262 * invoke.texi: Document command line switches for MCore port.
8263 * install.texi: Add MCore to list of supported targets.
8265 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8267 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8268 then we will need to import the frame handling functions.
8269 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8270 to import the frames themselves.
8272 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8273 Jason Eckhardt <jle@cygnus.com>
8275 * basic_block.h: Added prototype for reorder_basic_blocks.
8276 * toplev.c: Changes to add -freorder-blocks and graph dump after
8277 block reordering is done.
8278 * flow.c (reorder_block_def): New structure for use during block
8280 (REORDER_BLOCK_*): New macros to access members of above structure.
8281 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8282 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8283 functions for block reordering.
8285 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8287 * gcc.texi (Passes): Fix typo.
8288 * md.texi (Standard Names): Ditto.
8289 * tm.texi (Storage Layout): Ditto.
8291 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8293 * cpplib.c (do_define): Only free the old definition if it
8296 2000-02-13 Neil Booth <NeilB@earthling.net>
8298 * cppfiles.c (read_and_prescan): When emitting deferred
8299 newlines, test speccase[] again instead of checking each
8300 possible whitespace character in turn. When we encounter \r,
8301 look behind for \n first, then ahead.
8303 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8305 * cse.c (cse_altered): New internal flag.
8306 (cse_insn): Set it if we changed an insn.
8307 (cse_main): Clear cse_altered before each basic block.
8308 Only garbage collect if cse_altered is true afterward.
8310 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8312 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8314 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8316 * combine.c (simplify_comparison): Fix typo.
8318 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8320 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8323 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8325 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8326 previously inserted node instead of root node. Caller changed.
8328 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8330 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8332 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8334 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8335 __dereg_frame_dtor): Add prototype argument.
8337 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8339 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8341 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8343 * gthr-vxworks.h (__gthread_once): Likewise.
8345 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8347 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8349 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8350 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8351 stack pointer in functions w/o saved registers, output LEAVE more often
8352 on TARGET_USE_LEAVE machines.
8354 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8356 * config/arm/arm.c (arm_init_cumulative_args); New function:
8357 Initlaise the CUMULATIE_ARGS strcuture for a function
8359 (arm_function_arg): New function: Determine where to place a
8360 function's argument. Also handles deciding the function's
8362 (current_file_function_operand): New function: Return true if
8363 the symbol is a function which has already been compiled.
8364 (arm_is_long_call_p): New function: Return true if the
8365 indicated function should be called via a long call.
8366 (arm_valid_type_attribute_p): New function: Return true if the
8367 attribute is a valid, arm specific, attribute.
8368 (arm_comp_type_attribute): New function: Return true if the
8369 two types have compatable, arm specific, attributes.
8371 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8373 (FUNCTION_ARG): Redefine to call arm_function_arg.
8374 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8376 (INIT_CUMULATIVE_ARGS): Redefine to call
8377 arm_init_cumulative_args.
8378 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8380 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8382 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8384 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8385 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8386 (COMP_TYPE_ATTRIBUTES): Define.
8388 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8389 if a long call is needed.
8390 (call_value): Call arm_is_long_call_p to decide if a long call
8392 (call_symbol): Call arm_is_long_call_p to decide if a long call
8395 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8397 2000-02-11 Denis Chertykov <denisc@overta.ru>
8399 * README.AVR: New file with information about the avr ports.
8400 * config/avr: New directory with avr port files.
8402 2000-02-11 Andreas Jaeger <aj@suse.de>
8404 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8406 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8408 * cpphash.c: Fix formatting, update commentary.
8409 (dump_definition): Take three separate arguments instead of a
8410 MACRODEF structure argument.
8411 * cpphash.h: Update prototype of dump_definition.
8412 * cppinit.c (cpp_finish): Update call of dump_definition.
8414 * cpplib.c (do_define): Always create new hash entry with
8415 T_MACRO type. Remove redundant check for redefinition of
8416 poisoned identifier. Update call of dump_definition.
8417 (do_undef): Don't call check_macro_name. Rename sym_length to
8419 (do_error, do_warning): Don't use copy_rest_of_line or
8421 (do_warning): Don't use pedwarn for the actual warning,
8422 only the notice about its not being in the standard. (Fixes
8423 bug with #warning in system headers.)
8424 (do_ident): Stricter argument checking - accept only a single
8425 string after #ident. Also, macro-expand the line.
8426 (do_xifdef): Use cpp_defined. De-obfuscate.
8428 (do_pragma): Split out specific pragma handling to separate
8429 functions. Use get_directive_token. Update commentary. Do
8430 not pass on #pragma once or #pragma poison to the front end.
8431 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8432 do_pragma_default): New.
8434 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8436 * jump.c (jump_optimize_1): The first operand in a relational
8438 * optabs.c (emit_conditional_move): Handle relationals which
8439 have a known true/false result.
8441 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8443 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8444 a RETURN insn into a block which already ends with a jump.
8446 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8448 * haifa-sched.c (BUF_LEN): Increase a lot.
8450 2000-02-11 Nick Clifton <nickc@cygnus.com>
8452 * configure.in: Add tm_p_file specification for thumb targets.
8453 * configure: Regenerate.
8455 * config/arm/thumb-protos.h: New file: Prototypes for exported
8456 functions defined in thumb.c.
8458 2000-02-11 Robert Lipe <robertl@sco.com>
8460 * Makefile.in (bootstrap-lean): Remove additional files.
8461 (bootstrap2-lean): Likewise.
8462 (VOL_FILES): List of files for above.
8464 2000-02-11 Nathan Sidwell <nathan@acm.org>
8466 * cpphash.c (special_symbol): Remove spurious argument to
8469 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8471 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8473 * configure: Rebuilt.
8475 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8477 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8479 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8481 * pa.c, pa.h: Remove trigraph sequences within comments.
8483 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8485 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8487 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8489 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8491 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8493 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8495 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8497 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8498 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8499 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8500 (ASM_FILE_END): Use c4x_file_end.
8501 * config/c4x/c4x.c (c4x_global_label): New function.
8502 (c4x_external_ref, c4x_file_end): Likewise.
8504 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8505 (c4x_external_ref, c4x_end_file): Likewise.
8507 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8509 * cppexp.c: Don't include cpphash.h.
8510 (parse_charconst, cpp_lex): Use cpp_defined.
8511 (cpp_lex): Use get_directive_token throughout. Remove
8512 unnecessary cases from switch. Move assertion-handling code
8514 (cpp_parse_expr): If we see '+' or '-', check the context to
8515 determine if they are unary or binary operators. Streamline
8516 the jumps a bit. Do not call skip_rest_of_line.
8518 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8519 static. Export get_directive_token. Update commentary.
8520 (cpp_defined): New function.
8521 (do_define): Remove reference to T_PCSTRING. Call
8522 free_definition to release memory for old definition, when
8524 (eval_if_expression): Set only_seen_white to 0 before calling
8525 cpp_parse_expr. Call skip_rest_of_line after it returns.
8526 (cpp_read_check_assertion): Don't preserve a pointer into the
8527 token buffer across a call to cpp_get_token.
8529 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8530 * cppfiles.c (redundant_include_p): Use cpp_defined.
8531 * cpphash.c (free_definition): New function.
8532 (delete_macro): Use it. Update commentary.
8533 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8535 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8536 from enum node_type. Prototype cpp_defined and get_directive_token.
8537 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8539 * fix-header.c (check_macro_names): Use cpp_defined.
8540 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8541 the options structure.
8543 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8545 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8547 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8549 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8550 rather than die->die_tag.
8552 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8554 * combine.c (make_extraction, force_to_mode): Avoid warning on
8555 mixed-signedness conditionals.
8556 (make_field_assignment, nonzero_bits): Likewise.
8557 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8558 (store_split_bit_field, extract_split_bit_field): Likewise.
8559 (extract_fixed_bit_field, store_bit_field,
8560 * expr.c: Change alignment to be unsigned everywhere.
8561 (move_by_pieces, store_constructor_field, store_constructor):
8562 Alignment parm is unsigned.
8563 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8564 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8565 (do_compare_rtx_and_jump): Likewise.
8566 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8567 Compare align with GET_MODE_ALIGNMENT.
8568 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8569 (get_inner_reference): Likewise.
8570 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8571 (expand_assignment): Local vars for alignment now unsigned.
8572 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8573 (do_compare_and_jump): Likewise.
8574 (store_field): Call new function expr_align.
8575 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8576 Alignment arg now unsigned.
8577 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8578 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8579 (extract_bit_field): Likewise.
8580 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8581 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8582 (get_best_mode): Alignment arg is unsigned.
8583 * rtl.h (move_by_pieces): Likewise.
8584 * store-layout.c (maximum_field_alignment, set_alignment):
8586 (layout_decl): Alignment arg is now unsigned.
8587 Remove unneeded casts.
8588 (layout_record, layout_union, layout_type): Remove unneeded casts.
8589 Local alignment variables now unsigned.
8590 (get_best_mode): Alignment arg now unsigned.
8591 * tree.c (expr_align): New function.
8592 * tree.h (expr_align): Likewise.
8593 (maximum_field_alignment, set_alignment): Now unsigned.
8594 (get_inner_reference): Alignment argument is now pointer to unsigned.
8595 * varasm.c (assemble_variable): Add cast to eliminate warning.
8597 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8599 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8600 then store directly into op0.
8602 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8603 the CALL_INSN, and emit the note immediately after it.
8605 2000-02-10 Nick Clifton <nickc@cygnus.com>
8607 * config/arm/thumb.md (epilogue): Include a (return) in the
8608 generated insn, and emit it using emit_jump_insn not
8611 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8613 * function.c (assign_temp): Change zero-sized arrays to size 1.
8614 * integrate.c (expand_inline_function): Do not update
8615 stack_alignment_needed
8616 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8617 add some sanity checking, remove optimization for function with
8620 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8622 * flow.c (mark_regs_live_at_end): Delete unused variables.
8624 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8626 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8627 in macro FRAME_GROWS_DOWNWARD.
8629 * stmt.c (expand_end_bindings): Delete unused variable.
8631 * unroll.c (iteration_info): Mark parameter `loop' with
8634 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8636 * fixinc/server.c (load_data): Return NULL if the marker line is
8638 (run_shell): If load_data returns NULL, retry the command once, in
8641 * configure: Rebuilt.
8643 2000-02-09 Bruce Korb <bkorb@gnu.org>
8645 * gcc/fixincludes: ** DELETED **
8646 * gcc/fixcpp: ** DELETED **
8647 * gcc/fixinc-nt.sed: ** DELETED **
8648 * gcc/just-fixinc: ** DELETED **
8649 * gcc/Makefile.in: Removed out-dated commentary
8650 * gcc/configure.in: Removed fast-fixincludes disablement.
8651 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8653 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8654 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8657 2000-02-09 Richard Henderson <rth@cygnus.com>
8659 * jump.c (delete_insn): Don't delete user labels at -O0.
8661 2000-02-09 Robert Lipe <robertl@sco.com>
8663 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8664 Don't link with HOST_LIBS.
8666 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8668 * configure.in: Correct --help text for --with-dwarf2.
8669 Put tm-dwarf2.h after other tm files, if it's requested.
8670 * configure: Regenerate.
8671 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8674 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8676 * cpplib.h: Provide HASHNODE typedef and forward decl of
8677 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8678 DEFINITION, struct hashnode, struct macrodef, struct
8679 definition, scan_decls prototype, default defn of
8680 INCLUDE_LEN_FUDGE moved elsewhere.
8682 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8683 definition, and struct hashnode moved here. Remove the unused
8684 'predefined' field from struct definition. Replace the 'args'
8685 union with its sole member. All users updated (cpphash.c).
8686 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8687 multiple include guard.
8689 * cpphash.c (hashf): Make static; use better algorithm; drop
8690 HASHSIZE parameter; return an unsigned int.
8691 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8692 used. Calculate HASHSIZE modulus here.
8693 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8695 (create_definition): Drop PREDEFINITION parameter.
8696 * cpplib.c (do_define): Don't calculate a hash value here.
8697 Don't pass (keyword == NULL) to create_definition.
8699 * scan.h: Prototype scan_decls here.
8700 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8701 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8702 callers of cpp_lookup and cpp_install updated.
8704 * cpphash.c (macarg): Hoist all the flag diddling out of the
8706 (macroexpand): ... and out of the loop that calls macarg.
8707 Skip over the initial paren before macro arguments with
8708 cpp_get_non_space_token; point may be some distance before
8709 that paren. Abort if it's not there.
8711 * cpplib.c (parse_clear_mark): Delete function.
8712 (parse_set_mark, parse_goto_mark): Make static.
8713 (ACTIVE_MARK_P): New macro.
8714 (skip_block_comment, skip_line_comment): Do not bump the line
8715 if ACTIVE_MARK_P is true.
8716 (cpp_pop_buffer): The buffer to be popped may not have an
8718 (cpp_get_token): When looking for the initial paren before
8719 macro arguments, only set a mark in a file buffer, Always
8720 return to that mark before proceeding to call macroexpand or
8721 return a NAME token.
8723 * cpplib.h: Remove prototypes of parse_set_mark,
8724 parse_clear_mark, parse_goto_mark.
8725 (struct cpp_options): Rename 'put_out_comments' to
8726 'discard_comments' and invert its sense.
8727 * cppinit.c, cpphash.c, cpplib.c: All users of
8728 put_out_comments changed to use discard_comments, with
8731 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8733 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8734 the edge from a block that both jumps and falls through to the
8737 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8739 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8740 constant source address is legitimate.
8742 2000-02-09 Philip Blundell <pb@futuretv.com>
8744 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8747 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8749 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8751 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8753 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8754 ends with a newline and a NUL. Don't be so clever manipulating
8757 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8759 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8760 not to BIGGEST_ALIGNMENT.
8762 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8764 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8765 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8766 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8767 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8768 * frame.c (execute_cfa_insn): Handle
8769 DW_CFA_GNU_negative_offset_extended.
8771 2000-02-08 Richard Henderson <rth@cygnus.com>
8773 * flow.c (tidy_fallthru_edges): Split out from ...
8774 (delete_unreachable_blocks): ... here.
8775 (find_basic_blocks): Use it.
8777 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8779 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8781 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8783 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8784 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8785 (fix-header.o): Don't depend on cpphash.h.
8787 * scan.c (hashstr): New function.
8788 * scan.h: Prototype it.
8789 * fix-header.c: Don't include cpphash.h. Use hashstr.
8790 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8791 hashstr. Report hash table statistics. Add private
8792 definition of xrealloc.
8794 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8796 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8798 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8800 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8801 jumps with returns unless they are jumps to the fallthru block.
8803 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8805 * i386.md (addqi3_cc): Fix contraints.
8807 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8809 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8811 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8813 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8814 carriage return after a macro name.
8816 2000-02-07 Fred Fish <fnf@be.com>
8818 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8819 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8821 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8823 * cppfiles.c (deps_output): Count spacers in deps_column.
8825 2000-02-07 Neil Booth <NeilB@earthling.net>
8827 * cppinit.c (initialize_dependency_output): If there is no
8828 suffix, don't try to look for known suffixes. Use strrchr.
8829 (cpp_start_read): Remove duplicate initialization.
8831 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8833 * calls.c (compute_argument_block_size): New argument
8834 preferred_stack_boundary.
8835 (expand_call): update cfun->preferred_stack_boundary, update call of
8836 compute_argument_block_size
8837 (emit_library_call): Increate cfun->preferred_stack_boundary
8838 to PREFERRED_STACK_BOUNDARY
8839 (emit_library_call_value): Likewise.
8840 * explow.c (allocate_dynamic_stack_spave): Likewise.
8841 * function.c (prepare_function_start): Set
8842 cfun->preferred_stack_boundary
8843 * function.h (struct function): Add preferred_stack_boundary field.
8844 * integrate.c (expand_inline_function): Update
8845 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8846 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8847 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8849 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8851 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8852 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8853 cpp_pedwarn, cpp_pedwarn_with_line,
8854 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8855 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8856 v_cpp_error_with_line, v_cpp_warning_with_line,
8857 cpp_message_from_errno, cpp_perror_with_name): Delete.
8859 * cpperror.c (cpp_print_containing_files): Take starting
8861 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8862 (v_cpp_message): Now called directly by all entry points.
8864 (cpp_pfatal_with_name, cpp_message): Delete.
8865 (cpp_notice_from_errno, cpp_ice): New functions.
8866 (cpp_notice): Is now for reporting error conditions, just
8867 without an associated file.
8868 (cpp_error, cpp_error_with_line): Don't do anything if
8869 opts->inhibit_errors is on.
8870 (cpp_pedwarn_with_file_and_line): Take column argument also.
8872 * cpplib.h: Update prototypes of exported functions.
8873 (struct cpp_options): Add inhibit_errors.
8875 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8876 non-error messages. Include intl.h.
8878 * cppinit.c, cppmain.c: Likewise. Also, use
8879 cpp_notice_from_errno instead of cpp_perror_with_name or
8880 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8882 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8883 report internal errors.
8885 * cpplib.c (do_define): Switch bcopy to memcpy.
8886 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8888 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8889 bail out early if we hit a line comment.
8891 2000-02-06 Richard Henderson <rth@cygnus.com>
8893 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8894 * basic-block.h: Declare them.
8895 * emit-rtl.h (active_insn_p): New.
8896 (next_active_insn, prev_active_insn): Use it.
8897 * rtl.h: Declare it.
8898 * function.c (emit_return_into_block): New.
8899 (thread_prologue_and_epilogue_insns): Insert return insns instead
8900 of epilogues when possible.
8901 * jump.c (jump_optimize_1): Remove code to insert a return insn
8902 on the fallthru to the exit block.
8904 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8905 and for non-empty stack frames.
8906 * i386.md (return): Expand to return-pop as needed.
8908 2000-02-06 Richard Henderson <rth@cygnus.com>
8910 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8911 constant to op1 for testing.
8913 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8915 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8916 (fixuns_truncqfqi2): Use it.
8918 2000-02-06 Richard Henderson <rth@cygnus.com>
8920 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8923 * i386.md (widening and peepholes): Mask the constant instead of
8926 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8928 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8929 input pointer before possibly branching off to the backslash
8931 * cpphash.c (macroexpand): Correctly delete \r escapes when
8932 stringifying parameters.
8933 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8934 if we can; bail out early if we hit a line comment.
8935 (handle_directive): Treat '# 123' in an .S file just like
8936 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8937 Return 1 for '# not_a_directive'.
8938 (get_directive_token): Pop macro buffers here, so that
8939 cpp_get_token can't sneakily move past a newline.
8941 (cpp_get_token): goto randomchar if handle_directive returns 0.
8943 * cppalloc.c: Update copyright.
8944 * cpplib.c: Merge all the static function prototypes into one
8946 * cpplib.h: Remove #if 0 block.
8948 * cpperror.c: Remove #ifdef EMACS block.
8949 * cppmain.c: Likewise.
8950 * cpphash.c: Remove #if 0 blocks.
8951 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8952 * cpplib.c: Remove #if 0 blocks and code referencing
8953 pcp_inside_if or for_lint. Remove duplicate error message.
8954 Fix error messages for #else after #else or #elif. Reformat.
8955 Remove archaic TODO list.
8956 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8958 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8960 * i386/osf1elf.h: Add missing backslash to multiline string.
8962 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8964 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8966 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8968 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8970 * c-common.c: Include expr.h.
8972 * c-pragma.c (mark_align_stack): Add prototype.
8974 * caller-save.c (add_stored_regs): Likewise.
8976 * combine.c (record_promoted_value): Likewise.
8978 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8981 * cppinit.c (new_pending_define): Likewise.
8983 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8985 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8986 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8987 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8988 class_scope_p): Likewise.
8990 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8991 dwarf2out_add_library_unit_info): Likewise.
8993 * ggc.h (ggc_page_print_statistics): Likewise.
8995 * haifa-sched.c (propagate_deps): Likewise.
8997 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8999 * rtl.h (set_stack_check_libfunc): Likewise.
9001 * toplev.h (set_fatal_function): Likewise.
9003 * toplev.c (set_fatal_function): Delete prototype.
9005 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9007 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9009 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9010 (FUNC_END): Likewise.
9012 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9014 * caller-save.c: Include tm_p.h.
9016 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9018 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9020 2000-02-04 Neil Booth <NeilB@earthling.net>
9022 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9025 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9027 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9028 * genflags.c: Use the max_operand_1 logic from genemit.c to
9029 calculate how many arguments gen_insn prototypes have. Remove
9030 NO_MD_PROTOTYPES ifdefs from the generated file.
9031 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9032 file. Cast gen_insn initializers to insn_gen_fn.
9033 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9034 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9036 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9038 * fixinc/Makefile.in (HDR): Add machname.h.
9041 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9043 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9044 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9045 (c4x_cpu_version): Ditto.
9046 * config/c4x/c4x-protos.h: ... here.
9048 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9050 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9051 gen_abstract_function on our context if we're a nested function.
9053 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9055 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9056 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9058 2000-02-04 Bruce Korb <bkorb@gnu.org>
9060 * fixinc/genfixes(machname.h):
9061 Move the functionality from gen-machine.h into this file.
9062 UNdef MN_NAME_PAT if there are no names to change.
9063 Also, be a little kinder when AutoGen is not present.
9065 * fixinc/Makefile.in(machname.h):
9066 Change the generation rule to use genfixes.
9068 * fixinc/fixfixes.c(machine_name):
9069 machine_name_fix's functionality now dependent upon whether
9070 MN_NAME_PAT is defined.
9072 * fixinc/fixtests.c(machine_name):
9075 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9078 * fixinc/fixlib.h(mn_get_regexps):
9081 * fixinc/gen-machine.h: DELETED
9083 2000-02-04 Jan Hubicka <jh@suse.cz>
9084 Richard Henderson <rth@cygnus.com>
9086 * i386.c (SAVE_REGS_FIRST): Remove.
9087 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9088 (ix86_compute_frame_size): Likewise.
9089 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9090 (ix86_emit_restore_regs): Remove.
9091 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9092 when a frame pointer is in use.
9093 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9094 instead of pop to restore a register when profitable; emit leave
9096 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9098 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9099 * i386.md (prologue_allocate_stack): Remove.
9100 (epilogue_deallocate_stack): Remove.
9101 (pro_epilogue_adjust_stack): New.
9103 2000-02-04 Richard Henderson <rth@cygnus.com>
9105 * function.c (diddle_return_value): Rework to use a callback function.
9106 Use current_function_return_rtx if it's been set up.
9107 (do_clobber_return_reg, clobber_return_register): New.
9108 (do_use_return_reg, use_return_register): New.
9109 (expand_function_end): Use them.
9110 * stmt.c (expand_null_return): Likewise.
9111 * function.h: Declare them.
9112 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9113 (mark_reg): Change arguments as appropriate for callback.
9114 * integrate.c (expand_inline_function): Revert 19 Jan change.
9116 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9118 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9119 (Misc): Say the scheduler, not the Haifa scheduler.
9121 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9123 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9124 when in_mem is set. Update all callers.
9126 2000-02-04 Richard Henderson <rth@cygnus.com>
9128 * i386/openbsd.h (INT_ASM_OP): Define.
9130 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9132 * tm.texi: Fix various typos.
9134 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9136 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9137 (MD_STARTFILE_PREFIX_1): New macro.
9139 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9141 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9142 destination when needed.
9143 (strmovsi, strsetsi): New expander.
9144 (strmovsi_1, strsetsi_1): New pattern.
9145 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9146 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9147 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9148 * invoke.texi (align-stringops, inline-all-stringops): Document.
9150 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9152 * i386/netbsd.h (INT_ASM_OP): Define.
9154 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9156 * cpplib.h (cpp_reader): Add new flag, no_directives.
9157 * cpphash.c (macarg): Set it.
9158 * cpplib.c (handle_directive): If no_directives is on and we
9159 find a directive, issue an error and discard the line.
9161 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9163 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9164 FP constants. Add ! TARGET_FPU check for FP constants.
9166 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9168 * flow.c (find_basic_blocks): Don't kill label_value_list
9170 (cleanup_cfg): Kill it here.
9172 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9174 * expr.c (store_field): Ensure ALIGN is no stricter than the
9177 2000-02-02 Richard Henderson <rth@cygnus.com>
9179 * jump.c (delete_insn): Partially revert 19 Jan change;
9180 don't convert unused code labels to notes at -O0.
9182 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9184 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9185 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9187 2000-02-01 Richard Henderson <rth@cygnus.com>
9189 * i386.c (general_no_elim_operand): New.
9190 (nonmemory_no_elim_operand): New.
9191 (ix86_expand_move): Copy eliminable operands before a push.
9192 * i386-protos.h: Declare new functions.
9193 * i386.h (CAN_ELIMINATE): Simplify.
9194 (PREDICATE_CODES): Update.
9195 * i386.md (push insns): Don't allow eliminable register operands.
9197 2000-02-01 Richard Henderson <rth@cygnus.com>
9199 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9200 replace BLKmode with DECL_RTL's mode.
9202 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9204 * frame.c (find_fde): Convert for loop to do-while so compiler
9205 sees it's always executed at least once.
9206 * libgcc2.c (BBINBUFSIZE): Kill.
9207 (__bb_init_prg): Use fgets.
9208 (__bb_exit_trace_func): Don't paste strings.
9209 * unroll.c (unroll_loop): Initialize unroll_type, not
9210 unroll_number, and tweak logic to match.
9212 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9214 (ix86_flags_dependant): Likewise. Disentangle control flow.
9215 (ix86_sched_reorder): Break guts out to
9216 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9217 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9220 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9221 use string concatenation. Don't save and restore esi.
9223 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9224 (machname.h): Remove script to separate file. Use two-step
9225 sequence so target is not created if script fails.
9226 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9227 identifiers are defined.
9228 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9229 an empty string, machine_name doesn't need to do anything at
9231 (is_cxx_header): Add more cases to regexp.
9232 * fixinc/fixlib.h: Update prototype.
9233 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9235 * fixinc/fixincl.c: Define NO_BOGOSITY.
9237 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9238 (hp_sysfile): Add missing comma.
9239 (math_exception): Put the wrapper ifdefs at the beginning and
9240 the end of the file.
9241 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9243 2000-02-01 Richard Henderson <rth@cygnus.com>
9245 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9246 Use CONST0_RTX. Update all callers.
9247 * sparc.h, sparc-protos.h: Update accordingly.
9248 * sparc.md (fp mov insns): Use fp_zero_operand directly
9251 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9253 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9256 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9258 * Makefile.in (specs.ready): New target.
9259 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9261 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9263 * fixinc.irix: Use unique filenames for writing into /tmp,
9264 * fixinc.ptx: Likewise.
9265 * fixinc.sco: Likewise.
9266 * fixinc.svr4: Likewise.
9267 * fixinc.winnt: Likewise.
9269 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9271 * tsystem.h: New file.
9273 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9274 s-crtS): Depend on tsystem.h.
9276 * crtstuff.c: Include tsystem.h.
9277 * frame.c: Likewise.
9278 * libgcc2.c: Likewise.
9280 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9282 * builtins.c (expand_builtin_memset): Expand for variable sized
9285 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9287 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9290 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9292 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9294 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9296 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9298 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9299 case 3->2 combining (combining with splitting) in which 2 is CC0
9300 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9301 checked at the begining of the function with the aid of calling
9302 function 'can_combine_p'.
9304 2000-01-31 Dave Brolley <brolley@redhat.com>
9306 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9308 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9310 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9313 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9315 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9317 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9320 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9322 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9323 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9324 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9325 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9326 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9327 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9328 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9329 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9330 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9331 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9333 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9334 Add %(cpp_cpu) to CPP_SPEC.
9336 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9337 Add %(cc1_cpu) to CC1_SPEC.
9339 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9341 * c-decl.c (c_decode_option): Accept optional numeric argument to
9342 -Wformat and set warn_format.
9343 * c-common.c: Don't emit warning about non-constant printf format
9344 string unless warn_format > 1.
9346 2000-01-30 Richard Henderson <rth@cygnus.com>
9348 * alpha.md (return_internal): Allow after reload only.
9350 2000-01-30 Richard Henderson <rth@cygnus.com>
9352 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9353 local frame size is zero.
9355 2000-01-30 Richard Henderson <rth@cygnus.com>
9357 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9358 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9359 * alpha.md (return): Turn into an expander.
9360 (return_internal): Don't use $26.
9361 (epilogue): Emit the return insn.
9363 2000-01-30 Richard Henderson <rth@cygnus.com>
9365 * alpha.md (negtf2, abstf2): Fix word order thinko.
9367 (trunctfsf2): Avoid intermediate rounding errors.
9369 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9371 * cppfiles.c (find_position): Drop 'colp' argument, return the
9373 (read_and_prescan): Adjust to match. Don't ever manipulate
9374 line or line_base except via find_position.
9376 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9378 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9379 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9382 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9384 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9385 just print "<command line>". If 'filename' is null or an
9386 empty string, print "<stdin>" for the filename.
9387 * cpplib.c (do_define): Don't print the 'location of the
9388 previous definition' message if we're still parsing the
9390 (cpp_pedwarn_with_file_and_line): Always call
9391 cpp_file_line_for_message.
9393 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9395 * flow.c (mark_regs_live_at_end): Fix typo.
9397 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9399 * c-common.c: Adjust variable names, comments, help strings to c99.
9400 * c-lex.c: Likewise.
9401 * c-parse.y: Likewise.
9402 * c-tree.h: Likewise.
9404 * cpplib.h: Likewise.
9405 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9406 * cppinit.c: Likewise.
9408 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9410 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9411 * c4x.c: Define the optab rtx values.
9412 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9413 (c4x_emit_libcall): Use new optab rtx values.
9414 (c4x_emit_libcall3): Likewise.
9415 (c4x_emit_libcall_mulhi): Likewise.
9416 * c4x-protos.h: Add prototypes for optab rtx values and change
9417 prototypes for above c4x_emit_libcall functions.
9419 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9421 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9423 (c4x_function_prologue): Use regnames intead of float_reg_names when
9425 (c4x_function_epilogue): Likewise.
9426 (c4x_print_operand): Likewise.
9427 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9428 * c4x.md (set_high): Disable for TARGET_TI.
9430 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9432 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9433 of framepointer + constant to ADDR_REGS class.
9434 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9435 * c4x.c (std_or_reg_operand): New function.
9436 * c4x-protos.h (std_or_reg_operand): Prototype it.
9438 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9440 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9441 object names as libgcc2.c.
9442 * libgcc.S: Use newly defined names.
9444 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9445 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9447 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9448 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9449 (FLOW_LOOP_LAST_BLOCK): Likewise.
9451 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9453 * basic-block.h (struct loop): New fields 'first' and 'last'.
9454 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9455 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9456 and loop->last to check for NOTE_INSN_LOOP_END.
9458 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9460 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9461 of the loop descriptor rather than HEADER and LATCH. Also added
9462 missing break statements as well making some coding style modifications
9463 as suggested by Michael Hayes.
9465 2000-01-28 Richard Henderson <rth@cygnus.com>
9467 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9468 Break out that code ...
9469 (cleanup_cfg): ... here.
9470 (commit_one_edge_insertion): Detect a return instruction being
9471 emitted to an edge. Emit a barrier following; clear fallthru.
9472 (commit_edge_insertions): Verify CFG consistency.
9473 * function.c (expand_function_start): Kill unused variable.
9474 (expand_function_end): Likewise.
9475 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9476 to insert the epilogue.
9478 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9479 (delete_null_pointer_checks): Likewise.
9480 * output.h: Likewise.
9481 * reg-stack.c (reg_to_stack): Likewise.
9482 * toplev.c (rest_of_compilation): Likewise. Run
9483 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9485 2000-01-28 Richard Henderson <rth@cygnus.com>
9487 * Makefile.in (flow.o): Revert 24 Jan change.
9488 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9489 FUNCTION_VALUE result to DECL_RESULT's mode.
9491 * haifa-sched.c (schedule_insns): Don't recompute reg info
9494 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9496 * configure.in: Make --enable-cpplib the default.
9497 * configure: Regenerate.
9498 * gcc.dg/990119-1.c: No longer expected to fail.
9500 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9502 * jump.c (jump_optimize_1): Delete an optimization that is also done
9503 by merge_blocks in flow.
9505 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9507 * diagnostic.c (build_message_string, output_printf,
9508 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9509 (build_location_prefix): Fix non-literal format string.
9511 2000-01-27 Richard Henderson <rth@cygnus.com>
9513 * alpha.md (trunctfsf2): New.
9515 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9517 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9519 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9521 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9523 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9525 (skip_comment) ... here. Permit C++ comments in system
9526 headers always. Warn about C++ comments in user code under
9527 -std=gnu89 -pedantic.
9528 (copy_comment): Use skip_comment.
9529 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9531 (consider_directive_while_skipping, do_else, do_endif): Call
9532 validate_else unconditionally.
9533 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9534 text after the conditional in a system header.
9535 * cpplib.h (struct cpp_buffer): Add flag
9536 warned_cplusplus_comments.
9538 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9540 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9541 Use unshare_all_rtl_1.
9542 (unshare_all_rtl_again): New function.
9543 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9545 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9546 rather than resetting the 'used' flags ourself.
9548 * toplev.c (rest_of_compilation): Add current_function_decl
9549 to the unshare_all_rtl call.
9550 * tree.h: Prototype unshare_all_rtl.
9551 * rtl.h: Prototype unshare_all_rtl_again here.
9553 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9555 * genoutput.c (output_prologue): Include ggc.h in generated
9557 * Makefile.in (insn-output.o): Depends on ggc.h.
9559 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9560 Hans-Peter Nilsson <hp@bitrange.com>
9562 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9563 Remove redundant include of xm-ns32k.h.
9564 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9565 Remove redundant include of xm-ns32k.h.
9566 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9567 Remove redundant include of xm-ns32k.h.
9568 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9570 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9571 (TARGET_SWITCHES): Add documentation strings.
9572 (DWARF_FRAME_REGNUM): Override default definition.
9573 (REG_CLASS_CONTENTS): Add comments.
9574 (SUBSET_P): Format to reduce line length.
9575 (SMALL_REGISTER_CLASSES): Make a run time option.
9576 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9577 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9578 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9579 (regclass_map): fix typo in comment.
9580 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9581 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9582 (trace, reg_or_mem_operand): Delete, unused function.
9583 (calc_address_cost): Small offsets are cheaper than large ones.
9584 (expand_block_move): Generate more efficient code when bytes is a
9585 known at compile time.
9586 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9587 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9588 instead of reg_or_mem_operand.
9590 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9591 not general_operand. Similarly use "=rm" or stricter, not "=g".
9592 For input operands, use stricter constraints than "g" if not
9593 general_operand. Similarly use stricter predicate than
9594 "general_operand" when stricter constraints than "g" are present,
9595 except for matching constraints.
9596 (movstrsi): Use "memory_operand" for operands 0 and 1.
9597 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9598 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9599 not reg_or_mem_operand.
9600 (udivmoddisi4): Ditto.
9601 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9602 Use nonimmediate_operand for operand 3, not register_operand.
9603 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9606 2000-01-27 Fred Fish <fnf@be.com>
9608 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9609 * gthr-single.h: Likewise.
9610 * gthr-solaris.h: Likewise.
9611 * gthr-vxworks.h: Likewise.
9612 * gthr-win32.h: Likewise.
9615 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9617 * cppinit.c: Add " (cpplib)" to end of string printed by
9620 2000-01-27 Richard Henderson <rth@cygnus.com>
9622 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9623 testing for a signed comparison.
9624 (alpha_emit_floatuns): New.
9625 * alpha-protos.h: Declare it.
9626 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9627 (extendsfdf2): Tidy.
9629 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9631 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9632 no -g option specifying debugging format, default to -gstabs+.
9634 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9636 * calls.c (special_function_p): New argument fork_or_exec.
9637 (expand_call): When profile_arc_flag is set and the function
9638 is in the fork_or_exec group, call __bb_fork_func first.
9639 * libgcc2.c, _bb module (__bb_fork_func): New function.
9640 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9642 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9643 * tree.h (special_function_p): Update prototype.
9645 2000-01-26 Richard Henderson <rth@cygnus.com>
9647 * alpha.c (alpha_split_tfmode_pair): New.
9648 * alpha-protos.h: Declare it.
9649 * alpha.md (abstf2, negtf2): New.
9650 (movtf insn): Add input G constraint.
9651 (movtf splitter): Use alpha_split_tfmode_pair.
9653 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9655 * i386/cygwin.h: PROTO -> PARAMS.
9657 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9659 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9660 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9661 using _Qp_cmp/_Q_cmp and testing the return value.
9662 (print_operand): Call reverse_condition_maybe_unordered if
9663 we are handling CCFPmode or CCFPEmode.
9664 Handle ORDERED, UN* and LTGT comparisons.
9665 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9666 if not TARGET_HARD_QUAD.
9667 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9668 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9669 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9670 Adjust gen_b* calls so that they reflect return comparison of
9671 sparc_emit_float_lib_cmp.
9673 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9675 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9676 incoming operands array is large enough for one more operand.
9677 (alpha_emit_xfloating_arith): Likewise.
9679 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9681 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9682 file with one line and no trailing newline.
9683 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9684 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9685 checking if the match is on the line.
9686 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9688 2000-01-25 Richard Henderson <rth@cygnus.com>
9690 * sparc.c (output_cbranch): Fix accidental squashing of the
9691 fp branch pre-delay nop.
9693 2000-01-25 Richard Henderson <rth@cygnus.com>
9695 * tree.def (UNNE_EXPR): Remove.
9696 * c-typeck.c (build_binary_op): Don't handle it.
9697 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9699 * rtl.def (UNNE): Remove.
9701 * jump.c (reverse_condition): Update accordingly.
9702 (swap_condition): Likewise.
9703 (comparison_dominates_p): Handle unordered comparisons.
9704 (reverse_condition_maybe_unordered): New.
9705 * rtl.h (reverse_condition_maybe_unordered): Declare.
9707 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9708 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9709 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9710 * sparc.md (bltgt): New.
9712 2000-01-25 Nick Clifton <nickc@redhat.com>
9714 * emit-rtl.c (emit_insn): Only check machine class insns for
9715 improper emission of a RETURN.
9717 2000-01-25 Richard Henderson <rth@cygnus.com>
9719 * Makefile.in (flow.o): Depend on $(EXPR_H).
9720 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9721 duplicate the structure of diddle_return_value for keeping regs live.
9723 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9725 * loop.c (current_loop_info): Delete.
9726 (consec_sets_invariant_p): Add loop argument, update callers.
9727 (get_condition_for_loop): Likewise.
9728 (count_nonfixed_reads, update_giv_derive): Likewise.
9729 (simplify_giv_expr, general_induction_var): Likewise.
9730 (consec_sets_giv, recombine_givs): Likewise.
9731 (move_movables): Delete loop_start and loop_end arguments,
9732 add loop argument, and update callers.
9733 (find_mem_givs, check_final_value): Likewise.
9734 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9735 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9737 (basic_induction_var): Add loop argument, delete loop_level argument,
9739 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9740 add loop argument, and update callers.
9741 (find_splittable_regs, find_splittable_givs): Likewise.
9742 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9743 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9744 (biv_total_increment): Delete loop_start and loop_end arguments;
9746 (precondition_loop_p): Delete loop_start and loop_info arguments;
9748 * loop.h (get_condition_for_loop): Add loop argument.
9749 (biv_total_increment): Delete loop_start and loop_end arguments.
9750 (precondition_loop_p): Delete loop_start and loop_info arguments;
9752 (final_biv_value): Delete loop_start and loop_end arguments;
9754 (final_giv_value, back_branch_in_range_p): Likewise.
9756 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9758 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9760 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9762 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9763 point to the new "generated_files" doc.
9765 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9767 * config/fp-bit.c (_unord_f2): Fix typo.
9769 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9771 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9772 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9773 functions obsoleted by GC, such as push_obstacks_nochange,
9774 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9775 and code which existed only to decide whether or not to call
9776 them. Remove now-unused NESTED argument from start_function;
9777 all callers changed. Do not change behavior based on ggc_p.
9778 The use of the ixp_obstack in c-iterate.c and the util_obstack
9779 in objc/objc-act.c remain; these are not obsoleted by garbage
9781 * c-tree.h: Update prototype for start_function.
9783 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9785 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9787 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9790 2000-01-25 Richard Henderson <rth@cygnus.com>
9792 * sparc-protos.h (select_cc_mode): Declare.
9793 * sparc.c (select_cc_mode): New. Handle unordered compares.
9794 (output_cbranch): Always reverse via code change. Handle
9795 unordered compares. Factor tests and string updates.
9796 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9797 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9798 * sparc.md (bunordered, bordered): New.
9799 (bungt, bunlt, buneq, bunge, bunle): New.
9801 2000-01-25 Richard Henderson <rth@cygnus.com>
9803 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9804 * ggc-common.c (ggc_add_rtx_varray_root): New.
9805 (ggc_mark_rtx_varray): New.
9806 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9807 functions down below ggc_mark_foo.
9808 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9810 2000-01-25 Richard Henderson <rth@cygnus.com>
9812 * alpha.c (secondary_reload_class): Don't allocate a secondary
9813 for integral mode memories into FLOAT_REGS. Rearrange the more
9814 complicated memory expression inward.
9816 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9818 * inclhack.def: Fixes to play nicer with FreeBSD, and
9819 corrections to comments.
9820 (cxx_unready): Add select expression.
9821 (irix_sockaddr): Add bypass expression.
9822 (machine_ansi_h_va_list): New fix.
9823 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9824 Split out addition of "#include <stdarg.h>" to...
9825 (stdio_stdarg_h): ... here.
9826 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9827 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9828 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9830 (ultrix_ifdef): Tighten up select expression.
9832 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9833 re_ct and max_mach to avoid use of shell. Make printed names
9834 match names in inclhack.def. Use static copyright date.
9835 Don't count c_test and test expressions as requiring regex_t
9836 slots. Add some commentary.
9837 * inclhack.tpl: Do not include the 'This script contains N
9838 fixup scripts' line if PROGRAM is defined. Use static
9841 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9843 * dwarf2out.c: include "varray.h", not dyn-string.h.
9844 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9845 (addr_const_to_string, addr_to_string): Lose.
9846 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9847 (struct dw_val_struct): val_addr is now an rtx.
9848 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9849 (used_rtx_varray): New varray.
9850 (dwarf2out_init): Initialize it.
9852 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9854 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9855 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9856 * Makefile.in (dwarf2out.o): Update dependencies.
9858 2000-01-24 Richard Henderson <rth@cygnus.com>
9860 * i386.c (i386_dwarf_output_addr_const): New.
9861 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9863 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9865 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9866 * i386.c (i386_simplify_dwarf_addr): New.
9867 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9869 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9871 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9872 TYPE_STUB_DECL is NULL.
9874 2000-01-24 Richard Henderson <rth@cygnus.com>
9876 * builtins.c (expand_tree_builtin): Move ...
9877 * c-common.c (expand_tree_builtin): ... here.
9879 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9881 * loop.h (LOOP_INFO): New accessor macro.
9882 * basic-block.h (struct loop): Rename field `info' to `aux'.
9883 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9884 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9885 * unroll.c (loop_iterations, unroll_loop): Likewise.
9887 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9889 * config/i386/t-cygwin: Accomodate new winsup directory layout
9890 when searching for include files.
9892 2000-01-24 Richard Henderson <rth@cygnus.com>
9894 * rtl.def: Add unordered fp comparisions.
9895 * tree.def: Likewise.
9896 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9898 * builtins.c (expand_tree_builtin): New function.
9899 * c-typeck.c (build_function_call): Use it.
9900 (build_binary_op): Support unordered compares.
9901 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9903 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9904 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9905 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9906 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9907 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9909 (swap_condition): Handle unordered compares.
9910 (thread_jumps): Check can_reverse before reversing.
9911 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9914 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9915 setcc is present before acking for cmp_optab. Update all callers.
9916 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9917 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9918 * expr.c (expand_expr): Likewise. Support unordered compares.
9919 (do_jump, do_store_flag): Likewise.
9920 * expr.h (enum libfunc_index): Add unordered compares.
9922 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9923 (DPBIT_FUNCS): Add _unord_df.
9924 * config/fp-bit.c (_unord_f2): New.
9925 * fp-test.c (main): Try unordered compare builtins.
9927 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9928 * alpha.c (alpha_comparison_operator): Check mode properly.
9929 (alpha_swapped_comparison_operator): Likewise.
9930 (signed_comparison_operator): Likewise.
9931 (alpha_fp_comparison_operator): New.
9932 (alpha_emit_conditional_branch): Handle unordered compares.
9933 * alpha.h (PREDICATE_CODES): Update.
9934 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9935 (bunordered, bordered): New.
9937 2000-01-24 Richard Henderson <rth@cygnus.com>
9939 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9940 * alpha.md (movtf): New expander, insn, and splitter.
9942 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9944 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9947 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9949 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9950 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9951 REG_ALLOC_ORDER): Add frame pointer
9952 (FRAME_POINTER_REGNUM): Set to 20
9953 (HARD_FRAME_POINTER_REGNUM): New macro.
9954 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9955 to HARD_FRAME_POINTER.
9956 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9957 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9958 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9959 (HI_REGISTER_NAMES): Add "frame".
9960 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9961 (debug_reg): Handle FRAME_POINTER_REGNUM.
9962 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9963 GENERAL_REGS and INDEX_REGS.
9964 * i386.c (SAVED_REGS_FIRST): new macro.
9965 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9966 (ix86_decompose_address, memory_address_length): Likewise.
9967 (regclass_map): Add frame pointer.
9968 (call_insn_operand): Handle frame_pointer_rtx.
9969 (reg_no_sp_operand): Likewise.
9970 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9971 (print_operand, legitimize_pic_address): Fix formating.
9972 (ix86_compute_frame_size): Make static, update prototype, new
9973 parameters padding1, padding2, use ix86_nsaved_regs, use
9974 stack_alignment_needed.
9975 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9976 to HARD_FRAME_POINTER_REGNUM conversions.
9977 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9978 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9979 (print_reg): Abort on FRAME_POINTER_REGNUM
9981 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9983 * i386.h (PREDICATE_CODES): Add aligned_operand.
9984 * i386.c (aligned_operand): New function.
9985 (ix86_aligned_p): Kill.
9986 * i386.md (movhi_1): Emit mov for aligned operands.
9987 (promoting peep2s): Use aligned_operand.
9989 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9991 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9992 expression to allow underscores in macro names.
9993 (fix_char_macro_defines): Increment scanning pointer.
9995 2000-01-23 Richard Henderson <rth@cygnus.com>
9997 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9998 * alpha/osf5.h: New file.
9999 * configure.in (alpha-*-osf5): Add it to tm_file.
10001 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10003 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10004 (alpha_emit_xfloating_cvt, function_arg): Declare.
10005 * alpha.c (alpha_emit_conditional_branch): Call
10006 alpha_emit_xfloating_compare for TFmode compares.
10007 (alpha_lookup_xfloating_lib_func): New.
10008 (alpha_compute_xfloating_mode_arg): New.
10009 (alpha_emit_xfloating_libcall): New.
10010 (alpha_emit_xfloating_arith): New.
10011 (alpha_emit_xfloating_compare): New.
10012 (alpha_emit_xfloating_cvt): New.
10013 (print_operand): Add default abort case.
10014 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10015 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10016 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10017 (RETURN_IN_MEMORY): True for TF/TCmode.
10018 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10019 (FUNCTION_ARG): Move to function_arg.
10020 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10021 (ASM_OUTPUT_LONG_DOUBLE): New.
10022 (ASM_OUTPUT_DOUBLE): Always output bits.
10023 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10024 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10025 (extenddftf2, trunctfdf2): New.
10027 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10029 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10030 * config/sparc/sol2.h: ... here.
10032 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10034 * basic-block.h (struct loops): New field `levels'.
10035 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10036 (flow_loop_level_compute): Initialise level to 1.
10037 (flow_loops_find): Set loops->levels.
10038 (flow_loops_dump): Print loops->levels.
10040 2000-01-23 Richard Henderson <rth@cygnus.com>
10042 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10043 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10045 2000-01-23 Richard Henderson <rth@cygnus.com>
10047 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10048 * i386.h (DBX_REGISTER_NUMBER): Use them.
10049 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10050 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10051 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10052 * i386/sequent.h: Kill incorrect comment.
10054 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10056 * ggc-page.c (struct page_entry): Make `context_depth' an
10058 (struct globals): Likewise.
10060 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10062 * loop.c (check_dbra_loop): When checking a loop for
10063 reversability, check the source of any stores to ensure
10064 they don't depend on an initial value.
10066 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10068 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10070 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10072 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10073 'pz_scan' into scope of entire function. Only affects
10074 compiles with -DDEBUG.
10076 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10078 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10079 section naming to that prior to 2000-01-07 patch.
10080 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10081 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10082 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10083 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10084 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10086 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10088 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10091 2000-01-21 Jim Wilson <wilson@cygnus.com>
10093 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10094 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10096 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10098 * cpphash.c (change_newlines): Delete function.
10099 (struct argdata): Delete 'newlines' and 'use_count' fields.
10100 (macroexpand): Remove code referencing those fields.
10102 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10104 * loop.c (loops_info): New variable.
10105 (loop_optimize): Allocate loops->array and free it on exit.
10106 Allocate memory for loops_info and assign to each loop,
10108 (find_and_verify_loops): Do not allocate loops->array.
10110 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10112 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10114 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10116 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10117 pseudos if expanded after first flow.
10118 (movdi_pic_label_ref): Likewise.
10120 2000-01-20 Richard Henderson <rth@cygnus.com>
10122 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10124 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10126 * Makefile.in (fixinc.sh): Depend on specs.
10127 * fixinc/Makefile.in: Add rule to create machname.h.
10128 (fixlib.o): Depend on machname.h.
10129 * fixinc/fixtests.c (machine_name): New test.
10130 * fixinc/fixfixes.c (machine_name): New fix.
10131 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10132 the machine_name test and fix.
10133 * fixinc/fixlib.h: Prototype it.
10134 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10135 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10137 * gcc.c (do_spec_1) [case P]: Take care not to create
10138 identifiers with three leading or trailing underscores.
10140 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10141 (fixincl): Don't specify libraries twice on link line.
10142 (gnu-regex.o): Remove special rule.
10143 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10144 defined by config.h. Do not define _REGEX_RE_COMP.
10145 (regcomp): Allocate and initialize a fastmap.
10146 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10148 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10150 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10152 2000-01-19 Richard Henderson <rth@cygnus.com>
10154 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10155 arguments with BB. Update all callers. Tidy line wrapping.
10157 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10159 * emit-rtl.c (try_split): Return last_insn if we split the
10162 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10164 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10165 (ix86_initial_elimination_offset): Declare.
10166 * i386.c (ix86_nsaved_regs): Break out from ...
10167 (ix86_can_use_return_insn_p): ... here.
10168 (ix86_emit_save_regs): Break out from ...
10169 (ix86_expand_prologue): ... here.
10170 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10172 (ix86_expand_epilogue): ... here.
10173 (ix86_compute_frame_size): Make static, add prototype.
10174 (ix86_initial_elimination_offset): Break out from ...
10175 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10177 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10179 * recog.h (OUT_FCN): Delete.
10181 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10183 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10185 * cppalloc.c: PROTO -> PARAMS.
10186 * cpperror.c: Likewise.
10187 * cppfiles.c: Likewise.
10188 * cpplib.c: Likewise.
10189 * cpplib.h: Likewise.
10191 * config/arm/arm-protos.h: PROTO -> PARAMS.
10192 * config/arm/arm.c: Likewise.
10193 * config/c4x/c4x.c: Likewise.
10194 * config/fr30/fr30-protos.h: Likewise.
10195 * config/nextstep.c: Likewise.
10196 * config/pa/pa.c: Likewise.
10197 * config/pj/pj.c: Likewise.
10198 * config/rs6000/rs6000.c: Likewise.
10199 * config/v850/v850-protos.h: Likewise.
10200 * config/v850/v850.c: Likewise.
10202 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10204 * i370-protos.h: New file.
10206 * i370.c: Include tm_p.h. Fix compile time warnings.
10208 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10211 * i370.md: Likewise.
10213 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10215 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10216 (target_isinf, target_isnan, eisnan): Mark parameter with
10218 (eiisinf): Wrap in INFINITY.
10219 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10220 (ibmtoe): Remove unused variable `rndsav'.
10222 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10224 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10225 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10227 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10229 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10230 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10231 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10233 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10234 Recognize Emacs mode markers also.
10235 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10236 C++ comments in C++ headers. Call is_cxx_header only if
10239 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10240 bypass for ncurses.
10241 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10242 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10243 ... these, which use the new C fixes.
10244 (math_exception): Escape literal '+' in bypass expression.
10246 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10249 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10251 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10254 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10256 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10257 prior to calling scan_loop.
10259 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10261 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10262 (split_branches, calc_live_regs): Likewise.
10264 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10266 * sh.md (fpu_single, fp_mode): New attributes.
10268 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10270 * loop.c (current_loop_info): Renamed from loop_info_data
10271 and changed to a pointer.
10272 (loop_optimize): Allocate loop_info structure for each loop
10273 and initialise to zero.
10274 (scan_loop): Set current_loop_info.
10276 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10279 2000-01-19 Richard Henderson <rth@cygnus.com>
10281 * stupid.c: Die die die.
10282 * Makefile.in (OBJS): Remove stupid.o.
10283 (stupid.o): Likewise.
10285 * except.c (emit_eh_context): Don't emit USEs for stupid.
10286 * explow.c (probe_stack_range): Likewise.
10287 * flags.h (obey_regdecls): Remove.
10288 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10289 when not optimizing.
10290 (life_analysis): Limit data collection when not optimizing.
10291 (mark_regs_live_at_end): Always mark the return value registers.
10292 (mark_used_regs): Remove dummy RETURN case.
10293 (print_rtl_with_bb): Don't consult obey_regdecls.
10294 * function.c (use_variable, use_variable_after): Remove.
10295 (assign_parms): Consult optimize not obey_regdecls.
10296 (expand_function_start): Don't emit USEs for stupid.
10297 (expand_function_end): Likewise.
10298 * global.c (build_insn_chain): Export.
10299 * integrate.c (expand_inline_function): Kill return-value USE
10301 * jump.c (jump_optimize_1): Do simple jump optimizations and
10302 dead code elimination.
10303 (calculate_can_reach_end): Remove check_deleted argument.
10304 (delete_insn): Patch out insns even when not optimizing.
10305 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10306 * rtl.h (use_variable, use_variable_after): Remove declarations.
10307 (build_insn_chain): Declare.
10308 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10309 (expand_end_bindings): Likewise.
10310 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10311 * toplev.c (obey_regdecls): Remove.
10312 (rest_of_compilation): Don't set it. Kill stupid in favour of
10313 flow1, local-alloc, and reload.
10314 (main): Don't set obey_regdecls.
10316 * config/nextstep.c (handle_pragma): Likewise.
10318 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10320 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10322 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10324 * alpha-protos.h: PROTO -> PARAMS.
10325 * alpha.c: Likewise.
10327 * h8300.c: Likewise.
10328 * i386-protos.h: Likewise.
10329 * i386.c: Likewise.
10330 * m32r-protos.h: Likewise.
10331 * m32r.c: Likewise.
10332 * mips.c: Likewise.
10333 * mips.md: Likewise.
10334 * gmon-sol2.c: Likewise.
10335 * sparc.c: Likewise.
10337 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10339 * ns32k-protos.h: New file.
10341 * ns32k.c: Fix compile time warnings.
10343 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10346 * ns32k.md: Likewise.
10348 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10350 * vax-protos.h: New file.
10352 * vax.c: Fix compile time warnings.
10354 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10357 * vax.md: Likewise.
10359 * vaxv.md: Likewise.
10361 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10363 * romp-protos.h: New file.
10365 * romp.c: Fix compile time warnings.
10367 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10370 * romp.md: Likewise.
10372 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10374 * we32k-protos.h: New file.
10376 * we32k.c: Fix compile time warnings.
10378 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10381 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10383 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10385 * except.c (eh_regs): Likewise.
10387 * final.c (output_operand): Likewise.
10389 * fold-const.c (target_isinf, target_isnan): Likewise.
10391 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10393 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10394 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10396 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10397 when optimize_size.
10398 (clrstrsi): Rewrite.
10399 (strsethi, strsetqi): New expanders.
10400 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10401 (cmpstrsi): Emit compare insn before cmpstrsi_1
10402 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10403 (strlensi_1): Likewise.
10404 (cmpstrsi_1): Likewise; do not output compare.
10405 (strlen expander): Do not unroll when optimizing for size.
10406 (*subsi3_carry): Rename to subsi3_carry
10407 (addqi3_cc): New pattern.
10408 * i386.h (processor_costs): Add move_ratio field.
10409 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10410 * i386.c (*_cost): Set move_ratio.
10411 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10412 (x86_expand_strlensi_1): Rewrite the main loop.
10414 2000-01-17 Richard Henderson <rth@cygnus.com>
10416 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10417 * cse.c (find_comparison_args, fold_rtx): Likewise.
10418 * integrate.c (subst_constants): Likewise.
10419 * loop.c (get_condition): Likewise.
10421 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10423 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10425 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10427 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10428 (RESTORE_WARN_FLAGS): Unpack it.
10429 Change semantic type of extension to ttype.
10430 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10431 * c-parse.y, c-parse.c, objc/objc-parse.y,
10432 objc/objc-parse.c: Regenerate.
10434 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10436 * fixinc/fixlib.c: Add copyright notice.
10437 (compile_re): New function.
10438 * fixinc/fixlib.h: Prototype compile_re.
10440 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10441 Use compile_re to compile regular expressions.
10443 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10444 where the pattern matched.
10446 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10448 (ultrix_ansi_compat): Likewise.
10449 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10451 (interactv_add2, interactv_add3): Delete.
10452 (x11_sprintf): Don't use filename glob.
10453 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10456 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10458 * print-rtl.c: PROTO -> PARAMS.
10459 * real.c: Likewise.
10460 * reg-stack.c: Likewise.
10461 * resource.c: Likewise.
10462 * sdbout.h: Likewise.
10463 * simplify-rtx.c: Likewise.
10464 * stor-layout.c: Likewise.
10465 * stupid.c: Likewise.
10466 * xcoffout.c: Likewise.
10467 * xcoffout.h: Likewise.
10469 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10471 * toplev.c: PROTO -> PARAMS.
10472 * toplev.h: Likewise.
10473 * tree.c: Likewise.
10474 * tree.h: Likewise.
10475 * unroll.c: Likewise.
10476 * varasm.c: Likewise.
10477 * varray.c: Likewise.
10478 * varray.h: Likewise.
10480 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10482 * reload.c: PROTO -> PARAMS.
10483 * reload.h: Likewise.
10484 * reload1.c: Likewise.
10485 * reorg.c: Likewise.
10486 * resource.h: Likewise.
10489 * rtlanal.c: Likewise.
10490 * sbitmap.h: Likewise.
10491 * sdbout.c: Likewise.
10492 * stack.h: Likewise.
10493 * stmt.c: Likewise.
10494 * system.h: Likewise.
10496 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * machmode.h: PROTO -> PARAMS.
10499 * mbchar.h: Likewise.
10500 * mips-tdump.c: Likewise.
10501 * mips-tfile.c: Likewise.
10502 * optabs.c: Likewise.
10503 * output.h: Likewise.
10504 * prefix.c: Likewise.
10505 * profile.c: Likewise.
10506 * protoize.c: Likewise.
10507 * real.h: Likewise.
10508 * recog.c: Likewise.
10509 * recog.h: Likewise.
10510 * regclass.c: Likewise.
10511 * regmove.c: Likewise.
10512 * regs.h: Likewise.
10514 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10516 * ggc-common.c: PROTO -> PARAMS.
10517 * ggc-page.c: Likewise.
10518 * ggc-simple.c: Likewise.
10520 * global.c: Likewise.
10521 * graph.c: Likewise.
10522 * gthr-win32.h: Likewise.
10523 * haifa-sched.c: Likewise.
10524 * halfpic.h: Likewise.
10525 * integrate.c: Likewise.
10526 * integrate.h: Likewise.
10527 * jump.c: Likewise.
10529 * local-alloc.c: Likewise.
10530 * loop.c: Likewise.
10531 * loop.h: Likewise.
10533 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10535 * genattr.c: PROTO -> PARAMS.
10536 * genattrtab.c: Likewise.
10537 * gencheck.c: Likewise.
10538 * gencodes.c: Likewise.
10539 * genconfig.c: Likewise.
10540 * genemit.c: Likewise.
10541 * genextract.c: Likewise.
10542 * genflags.c: Likewise.
10543 * gengenrtl.c: Likewise.
10544 * genopinit.c: Likewise.
10545 * genoutput.c: Likewise.
10546 * genpeep.c: Likewise.
10547 * genrecog.c: Likewise.
10549 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10551 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10553 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10555 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10556 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10557 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10558 * configure, config.in: Rebuilt.
10560 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10562 * config/i386/i386.md: Add peephole to merge successive stack
10565 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10567 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10568 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10569 when walking backwards to find all the parameter loads when
10570 the basic block ends in a call.
10572 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10574 * loop.c (this_loop_info): Delete.
10575 (uid_loop): Add in place of uid_loop_num. All uses updated.
10576 (loop_number_exit_count): Delete and replace with entry in loop
10577 structure. All uses updated.
10578 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10579 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10580 (loop_outer_loop): Likewise.
10581 (loop_invalid, loop_number_exit_labels): Likewise.
10582 (loop_used_count_register): Delete and replace with entry in
10583 loop_info structure.
10584 (find_and_verify_loops): Add loops argument.
10585 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10586 loop_end, etc. arguments with loop structure pointer. All callers
10588 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10589 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10590 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10591 (insert_bct): Likewise.
10592 (basic_induction_var): New argument level.
10593 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10594 vtop, and cont. Add used_count_register.
10595 (uid_loop): Delete declaration.
10596 (loop_number_exit_count): Likewise.
10597 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10598 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10599 (loop_outer_loop, loop_used_count_register): Likewise.
10600 (loop_invalid, loop_number_exit_labels): Likewise.
10601 (unroll_loop): Replace loop_start and loop_end arguments
10602 with loop structure pointer.
10603 (loop_precondition_p, loop_iterations): Likewise.
10604 Include basic-block.h.
10605 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10606 with loop structure pointer.
10607 (loop_precondition_p, loop_iterations): Likewise.
10608 * basic-block.h (struct loop): New entries vtop, cont,
10609 cont_dominator, start, end, top, scan_start, exit_labels,
10611 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10613 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10615 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10617 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10619 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10621 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10623 * pdp11-protos.h: New file.
10625 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10628 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10631 * pdp11.md: Likewise.
10633 * 2bsd.h: Likewise.
10635 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10637 * mn10300-protos.h: New file.
10639 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10642 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10645 * mn10300.md: Likewise.
10647 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10649 * mn10200-protos.h: New file.
10651 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10654 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10657 * mn10200.md: Likewise.
10659 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10661 * h8300-protos.h: New file.
10663 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10666 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10669 * h8300.md: Likewise.
10671 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10673 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10674 (asm_emit_uninitialised): Likewise.
10676 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10678 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10679 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10681 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10683 * config/mips/mips.c (override_options): Don't turn on extra
10684 alignment for mips16.
10686 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10688 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10689 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10692 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10694 * builtins.c (PAD_VARARGS_DOWN): Define.
10695 (std_expand_builtin_va_arg): Use the above macro.
10696 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10697 * tm.texi (Register Arguments): Document the above macro.
10699 2000-01-14 Nick Clifton <nickc@cygnus.com>
10701 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10702 that this function has not been used to emit a jump
10705 * jump.c (return_jump_1): Cope with being passed a null rtx.
10707 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10709 * eh-common.h: PROTO -> PARAMS.
10710 * emit-rtl.c: Likewise.
10711 * errors.c: Likewise.
10712 * errors.h: Likewise.
10713 * except.c: Likewise.
10714 * except.h: Likewise.
10715 * explow.c: Likewise.
10716 * expmed.c: Likewise.
10717 * expr.c: Likewise.
10718 * expr.h: Likewise.
10719 * final.c: Likewise.
10720 * fix-header.c: Likewise.
10721 * flow.c: Likewise.
10722 * fold-const.c: Likewise.
10723 * function.c: Likewise.
10724 * function.h: Likewise.
10726 * gcov-io.h: Likewise.
10727 * gcov.c: Likewise.
10728 * gcse.c: Likewise.
10730 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10732 * sh-protos.h: New file.
10734 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10735 Add static prototypes. Fix compile time warnings.
10737 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10741 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10743 * arc-protos.h: New file.
10745 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10748 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10751 * arc.md: Likewise.
10753 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10755 * dsp16xx-protos.h: New file.
10757 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10760 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10763 * dsp16xx.md: Likewise.
10765 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10767 * convex-protos.h: New file.
10769 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10772 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10775 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10777 * elxsi-protos.h: New file.
10779 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10782 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10785 * elxsi.md: Likewise.
10787 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10789 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10790 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10791 match the comment for MIPS16.
10793 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10795 * flow.c (split_edge): Do not call set_block_for_insn if we
10796 do not have a basic_block_for_insn structure.
10798 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10799 and destination functions are 32bit aligned within the trampoline.
10800 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10801 (TRAMPOLINE_ALIGNMENT): Define.
10803 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10804 (set (pc) (label_ref)), verify the change creates a valid insn.
10806 * fr30.c (call_operand): Tighten and rework to match rules for
10807 call RTL expressions.
10808 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10809 * fr30.md (call patterns): Improve constraints.
10811 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10813 * fr30.c (fr30_expand_epilogue): Revert last change.
10814 Use emit_jump_insn for the return insn.
10816 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10817 Stan Cox <scox@cygnus.com>
10819 * predict.c: New file. Preliminary infrastructure work for static
10820 branch prediction and basic block reordering.
10821 * basic-block.h: Add prototype for estimate_probability.
10822 * Makefile.in: Add rules for predict.o.
10824 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10826 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10827 * fixinc/*: Likewise.
10829 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10831 * cccp.c: PROTO -> PARAMS.
10832 * cexp.y: Likewise.
10833 * collect2.c: Likewise.
10834 * combine.c: Likewise.
10835 * convert.h: Likewise.
10837 * dbxout.c: Likewise.
10838 * dbxout.h: Likewise.
10839 * diagnostic.c: Likewise.
10840 * doprint.c: Likewise.
10841 * dwarf2out.c: Likewise.
10842 * dwarf2out.h: Likewise.
10843 * dwarfout.c: Likewise.
10844 * dwarfout.h: Likewise.
10845 * dyn-string.h: Likewise.
10847 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10849 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10850 macro conditionals guarding use.
10852 * dwarf2out.c: Include "tm_p.h".
10854 * function.c (locate_and_pad_parm): Mark parameter with
10856 (expand_function_end): Likewise for variable `context'.
10858 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10860 2000-01-13 Nick Clifton <nickc@cygnus.com>
10862 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10863 register to prevent compile time warnings.
10865 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10867 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10868 to avoid -Wtraditional warning.
10870 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10872 * 1750a-protos.h: New file.
10874 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10877 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10880 * 1750a.md: Likewise.
10882 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10884 * a29k-protos.h: New file.
10886 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10889 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10892 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10894 * clipper-protos.h: New file.
10896 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10899 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10902 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10904 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10906 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10908 * configure.in (--enable-new-gxx-abi): New option.
10909 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10910 * Makefile.in (GXX_ABI_FLAG): New variable.
10911 * configure: Regenerate.
10913 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10915 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10916 * tm.texi (FORCE_STRUCT_BLK): Document.
10917 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10919 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10921 * config/ns32k/ns32k.md: Revert Jan 9 change.
10923 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10924 to a mode-test, if the predicate is address_operand.
10926 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10928 * combine.c (if_then_else_cond): Be careful about what kinds
10929 of RTL expressions are passed to operand_subword.
10931 * flow.c (split_edge): If we have to insert a new jump, make
10932 sure to associate it with a basic block.
10934 * flow.c (commit_one_edge_insertion): A block with one successor
10935 can end in a JUMP_INSN that is not a simplejump.
10937 2000-01-12 Robert Lipe <robertl@sco.com>
10939 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10940 (BUILD_VA_LIST_TYPE): Define.
10941 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10944 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10946 * cccp.c (do_pragma): Add cast to (char *).
10948 2000-01-12 Richard Henderson <rth@cygnus.com>
10949 Fred Fish <fnf@be.com>
10950 Jason Merrill <jason@cygnus.com>
10952 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10953 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10954 * i386/beos-elf.h, i386/beos-pe.h: New files.
10956 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10957 * cross-make (SYSTEM_HEADER_DIR): Define using
10958 CROSS_SYSTEM_HEADER_DIR.
10960 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10961 (process_command): Use it.
10962 (main): Likewise. Kill trailing = from env vars.
10963 (build_search_list): Put it back.
10964 * collect2.c (main): Use LIBRARY_PATH_ENV.
10966 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10967 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10969 * tm.texi (Frame Layout): Document SMALL_STACK.
10970 * c-common.c (c_common_nodes_and_builtins): Check it.
10972 * system.h: Undef alloca after including glibc's <stdlib.h>,
10973 if USE_C_ALLOCA is defined.
10975 * gcc.c (set_input): New fn.
10976 (main): After all input files are compiled, reset the input file
10979 * aclocal.m4 (rindex, index): If already defined, don't attempt
10982 * ginclude/varargs.h: (__va_list__): Define ifndef.
10983 * ginclude/stdarg.h: Likewise.
10985 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10986 instead of unsigned char.
10988 * hash.h (true, false, boolean): Undef before enum.
10990 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10991 proper type of "HOST_WIDE_INT *", rather than their natural type of
10992 "unsigned HOST_WIDE_INT *".
10994 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10996 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10998 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11000 * regclass.c (choose_hard_reg_mode): Likewise.
11002 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11004 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11006 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11008 * c-common.c: PROTO -> PARAMS.
11009 * c-common.h: Likewise.
11010 * c-decl.c: Likewise.
11011 * c-iterate.c: Likewise.
11012 * c-lang.c: Likewise.
11013 * c-lex.c: Likewise.
11014 * c-lex.h: Likewise.
11015 * c-parse.in: Likewise.
11016 * c-pragma.c: Likewise.
11017 * c-pragma.h: Likewise.
11018 * c-tree.h: Likewise.
11019 * c-typeck.c: Likewise.
11020 * objc/objc-act.c: Likewise.
11021 * objc/objc-act.h: Likewise.
11023 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11025 * m88k-protos.h: New file.
11027 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11030 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11032 * m88k.md: Likewise.
11034 * tekXD88.h: Likewise.
11036 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11038 * m68k-protos.h: New file.
11040 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11043 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11045 * mot3300.h: Likewise.
11047 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11049 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11051 (extract_bitlist): Declare bitlen.
11053 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11055 * cccp.c: Accept and ignore -lang-fortran.
11057 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11058 qualifiers don't match at any level of pointerness.
11060 2000-01-12 Robert Lipe <robertl@sco.com>
11062 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11064 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11066 * reload1.c (reload_reg_unavailable): New static variable.
11067 (reload_reg_free_p): Test it.
11068 (reload_reg_free_for_value_p): Test it instead of
11070 (choose_reload_regs_init): Compute it.
11072 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11074 * reorg.c (fill_slots_from_thread): Check modified_in_p
11077 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11079 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11080 these nodes even if INTERNALS is not set.
11082 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11084 * gcse.c (delete_null_pointer_checks_1): Cope when
11085 get_condition cannot determine the condition.
11087 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11089 * toplev.h (set_message_length): Declare.
11091 * diagnostic.c (obstack_chunk_alloc): Define macro.
11092 (obstack_chunk_free): Likewise.
11093 (struct output_buffer): New data structure.
11094 (vmessage): Remove.
11095 (output_maximum_width): New variable.
11096 (doing_line_wrapping, set_message_length, init_output_buffer,
11097 get_output_prefix, output_space_left, emit_output_prefix,
11098 output_newline, output_append, output_puts, dump_output,
11099 vbuild_message_string, build_message_string, build_location_prefix,
11100 voutput_notice, output_printf, line_wrapper_printf,
11101 vline_wrapper_message_with_location): New functions. Implement
11102 automatic line wrapping.
11103 (v_message_with_decl): Make it handle automatic line wrapping.
11104 (v_error_with_file_and_line): Likewise.
11105 (v_warning_with_file_and_line): Likewise.
11106 (announce_function): Likewise.
11107 (default_print_error_function): Likewise.
11109 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11111 * cpplib.h (struct cpp_options): Change lang_asm to char.
11113 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11114 done in cpp_handle_option now.
11115 (initialize_builtins): Take out special case code used only by
11117 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11118 if -traditional. Recognize -lang-fortran and set
11119 lang_fortran, also turn off cplusplus_comments.
11120 (print_help): Document -lang-fortran.
11121 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11122 lang_asm. Ignore all directives other than `# 123 "file"' if
11124 (cpp_get_token): If -traditional, don't recognize directives
11125 unless the # is in column 1.
11126 (parse_string): If lang_fortran or lang_asm, silently
11127 terminate strings ('' or "") at end of line.
11128 Remove unnecessary braces.
11130 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11131 Richard Henderson <rth@cygnus.com>
11133 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11135 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11136 strict_low_part when possible.
11138 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11140 * alias.c: PROTO -> PARAMS.
11141 * basic-block.h: Likewise.
11142 * bitmap.c: Likewise.
11143 * bitmap.h: Likewise.
11144 * builtins.c: Likewise.
11145 * c-aux-info.c: Likewise.
11146 * caller-save.c: Likewise.
11147 * calls.c: Likewise.
11149 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11151 * Makefile.in (toplev.o): Depend on regs.h.
11153 * output.h (tdesc_section): Prototype.
11155 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11157 * sdbout.c: Include "tm_p.h".
11159 * toplev.c: Include "regs.h".
11161 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11163 * unroll.c (unroll_loop): Add EH support.
11165 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11167 * pa-protos.h: New file.
11169 * pa.c: Include recog.h and tm_p.h.
11170 (compute_zdepwi_operands, compute_movstrsi_length,
11171 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11172 find_addr_reg, import_milli): Add static prototypes.
11173 (pa_cpu_string, pa_arch_string): Constify a char*.
11174 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11175 (read_only_operand): Add argument `mode'.
11176 (singlemove_string, output_move_double, output_fp_move_double,
11177 output_block_move, output_and, output_ior, output_ascii,
11178 remove_useless_addtr_insns, milli_names, output_mul_insn,
11179 output_div_insn, output_mod_insn, output_arg_descriptor,
11180 output_cbranch, output_bb, output_bvb, output_dbra, ,
11181 output_millicode_call, output_call, hppa_encode_label,
11182 output_parallel_movb, output_parallel_addb): Constify a char*.
11183 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11184 (output_parallel_addb): Remove extra arg to `constrain_operands'
11186 * pa.h: Move all prototypes to pa-protos.h.
11187 (pa_cpu_string, pa_arch_string): Constify a char*.
11188 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11190 * pa.md: Call `function_label_operand' with mode argument.
11191 Likewise for `read_only_operand'.
11192 Fix nesting of parens in call to `symbolic_operand'.
11194 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11196 * i860-protos.h: New file.
11198 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11201 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11203 * i860.md: Likewise.
11205 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11207 * i386.md (movstrsi expander): Rewrite.
11208 (movstrsi_1 insn): Deleted.
11209 (strmovhi, strmovqi expander): New expanders.
11210 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11211 * i386.c (x86_single_stringop): New global variable.
11212 * i386.h (x86_single_stringop): Declare.
11213 (TARGET_SINGLE_STRINGOP): New macro.
11215 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11217 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11218 integer vararg POSTINCREMENT before the destination of the jump
11219 for the hard fp case.
11220 (function_arg_pass_by_reference): Pass a copy of CUM to
11223 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11224 for CONSTANT_ADDRESS_P above while loop for subreg.
11226 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11228 * flow.c (propagate_block): When a prologue/epilogue insn
11229 is marked dead, unconditionally clear libcall_is_dead and
11230 insn_is_dead, and only dump rtl if warnings aren't being
11233 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11235 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11236 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11237 (FIXED_REGISTERS): Set dirflag as fixed.
11238 (CALL_USED_REGISTERS): Set dirflag as used.
11239 (REG_ALLOC_ORDER): Set dirflag as last one.
11240 (DIRFLAG_REG): New macro.
11241 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11242 (HI_REGISTER_NAMES): Add dirflag.
11243 (DEBUF_PRINT_REG): Handle dirflag.
11244 * i386.md (type attribute): New cld and str types.
11245 (length_opcode attribute): Set cld and str to 1.
11246 (memory attribute): Set str to unknown - it is not clear from the
11248 (pent_np function unit): Prefixed string operations takes 12 cycles
11249 minimally; cld takes 2 cycles.
11250 (ppro_uops attribute): Str is "many" and cld is "few".
11251 (ppro_p0 unit): Handle cld here.
11252 (k6_alux unit): Handle cld and str types.
11253 (k6_load unit): It is ocupied by str opcodes.
11254 (k6_store unit): It is ocupied by str opcodes.
11255 (athlon_decode): Str is vector decoded.
11256 (athlon_ieu): Handle str and cld.
11257 (cld pattern): New.
11258 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11259 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11260 cmpstrsi_nz_1 insn): Do not output cld instruction
11262 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11264 * gcc.texi (G++ and GCC): Add Java and Chill.
11265 (Bug Critera): Don't list languages.
11267 * gcc.texi (Incompatibilities): No longer claim most C compilers
11270 * gcc.texi (G++ and GCC): Update other front-ends list.
11272 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11274 * i386.c (ix86_expand_setcc): Fix typo.
11275 (ix86_expand_movcc): Similarly.
11277 * Band-aid until haifa's bitset implementation is nuked.
11278 * haifa-sched.c (extract_bitlst): New parameter for size of the
11279 bitset in bits. All callers changed. Avoid looking at undefined
11280 bits in the bitset.
11281 (edgeset_bitsize): New variable.
11282 (schedule_region): Initialize edgeset_bitsize.
11284 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11286 * Makefile.in (optabs.o): Depend on real.h
11287 (resource.o): Depend on insn-attr.h
11289 * builtins.c (result_vector): Wrap prototype in macro conditions
11290 governing definition and use.
11292 * c-common.c: Include tm_p.h.
11294 * c-lex.c: Likewise.
11296 * elfos.h: Constify a char*.
11298 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11299 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11300 parameter with ATTRIBUTE_UNUSED.
11302 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11305 * haifa-sched.c (schedule_insns): Mark parameter with
11308 * optabs.c: Include real.h.
11310 * real.h (ereal_atof): Add prototype arguments.
11312 * resource.c: Include insn-attr.h.
11314 * sdbout.c (sdbout_queue_anonymous_type,
11315 sdbout_dequeue_anonymous_types): Wrap in macro
11316 SDB_ALLOW_FORWARD_REFERENCES.
11317 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11320 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11322 * stupid.c: Include tm_p.h.
11324 * tree.c (real_value_from_int_cst): Mark parameter with
11327 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11329 * i960-protos.h: New file.
11331 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11334 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11336 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11338 * combine.c (expand_field_assignment): Do not discard SUBREGs
11339 while computing nonzero_bits.
11341 2000-01-09 Nick Clifton <nickc@cygnus.com>
11343 * config/arm/arm.c: Fix compile time warnings about signed vs
11344 unsigned constants.
11345 * config/arm/arm.h: Fix compile time warnings about signed vs
11346 unsigned constants.
11348 2000-01-09 Philip Blundell <philb@gnu.org>
11350 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11351 than `ldm' with only one register.
11352 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11355 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11358 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11360 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11363 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11365 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11366 assignment used as truth value.
11368 * function.c (assign_temp): Mark parameter `dont_promote' with
11369 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11370 PROMOTE_FOR_CALL_ONLY.
11372 * genrecog.c (write_subroutine): Mark variable `operands' with
11375 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11378 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11379 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11381 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11384 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11386 * config/c4x.h: Tidy up comments.
11387 * config/c4x.c: Likewise.
11389 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11391 * fold-const.c (lshift_double, rshift_double): Handle
11392 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11394 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11396 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11397 in prepare_function_start().
11399 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11401 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11402 longer allocate extra stack for function calls.
11404 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11406 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11408 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11410 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11412 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11414 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11415 * aix43.h: Revert Aug 2 change.
11416 (HAS_INIT_SECTION): Define, not visible yet.
11417 (LD_INIT_SWITCH): Define, not visible yet.
11418 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11420 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11422 * collect2.c (main): Expand ld2 size further.
11423 (export_object_lst): Cast assignment to avoid warning.
11424 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11425 (scan_prog_file, COFF): Do not collect initialization or
11426 finalization functions generated for entire shared object if
11427 init/fini support present.
11429 2000-01-07 Nick Clifton <nickc@cygnus.com>
11431 * config/elfos.h: Tidy up formatting of marcos. Make sure
11432 that .section directives are always prefixed by a tab.
11434 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11437 2000-01-07 Matt Austern <austern@sgi.com>
11439 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11442 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11444 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11446 (crtbegin.o, s-crtS): Likewise.
11448 2000-01-06 Richard Henderson <rth@cygnus.com>
11450 * alpha.md (adddi_2+1): Limit offset such that it will be
11451 loadable with a single ldah+lda pair.
11452 (adddi_2+2): Explicitly fail split if we can't make it work.
11454 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11456 * protoize.c: Conditionally include unistd.h.
11457 (IS_SAME_PATH_CHAR): New macro.
11458 (IS_SAME_PATH): New macro.
11459 (CPLUS_FILE_SUFFIX): New macro.
11460 (cplus_suffix): New static variable.
11461 (is_abspath): New static function.
11462 (in_system_include_dir): Handle DOS style pathnames.
11463 (file_could_be_converted): Likewise.
11464 (file_normally_convertible): Likewise.
11465 (directory_specified_p): Likewise.
11466 (file_excluded_p): Likewise.
11467 (abspath): Likewise.
11468 (shortpath): Likewise.
11469 (referenced_file_is_newer): Likewise.
11470 (save_def_or_dec): Likewise.
11471 (do_processing): Likewise.
11473 (edit_file): Likewise. Use rename instead of link.
11474 (rename_c_file): Likewise. Don't rename syscalls file.
11475 (munge_compile_params): Define null device for DOS based systems.
11476 (process_aux_info_file): Use binary mode if appliable.
11477 (edit_file): Likewise.
11478 * invoke.texi (Running Protoize): Document C++ suffixes used.
11480 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11481 IS_DIR_SEPARATOR macros.
11482 * collect2.c: Likewise.
11483 * cppinit.c: Likewise.
11484 * dwarf2out.c: Likewise.
11486 * gcov.c: Likewise.
11487 * prefix.c: Likewise.
11489 * toplev.c: Likewise.
11490 * system.h: And move to here.
11492 * prefix.c (update_path): Fix typo in variable name.
11494 2000-01-06 Richard Henderson <rth@cygnus.com>
11496 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11497 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11498 (count_reg_sets_1, count_reg_references): Likewise.
11499 (flow_loops_level_compute): Start counting actual loop depth at 1.
11500 (flow_loops_find): Likewise.
11501 * local-alloc.c (update_equiv_regs): Likewise.
11502 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11504 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11506 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11507 FIRST_PSEUDO_REGISTER
11508 * dwarf2out.c: Don't include frame.h
11509 * dwarfout.c: Likewise
11510 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11513 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11515 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11518 * i386.c (movsf splitter): Fix typo in my last checkin.
11520 2000-01-05 Nick Clifton <nickc@cygnus.com>
11522 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11523 own definition of this macro.
11524 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11525 flag_data_sections or UNIQUE_SECTION_P are true.
11527 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11528 unitialised data decls.
11530 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11531 being called for uninitialised data.
11533 * config/i386/interix.c (i386_pe_unique_section): Cope with
11534 being called for uninitialised data.
11536 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11537 for uninitialised data.
11539 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11540 for uninitialised data.
11542 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11543 for uninitialised data.
11545 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11546 (UNIQUE_SECTION_P): Always generate a unique section if
11547 flag_data_sections is true.
11548 (UNIQUE_SECTION): Also generate unique sections for
11549 uninitialised data.
11550 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11551 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11554 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11556 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11559 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11561 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11562 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11563 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11564 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11565 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11567 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11569 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11571 * c-decl.c (finish_enum): Simplify code to determine minimum and
11572 maximum values of the enum, and calculate the type. Remove check
11573 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11574 the DECL_INITIAL of each enumeration constant with a copy converted
11575 to the enumeration type. When updating variant types, don't bother
11576 updating the type itself.
11578 * c-typeck.c (build_binary_op): Simplify conditional expressions
11579 when weeding out spurious signed-unsigned warnings. Add new
11580 spurious warning category: if the unsigned quantity is an enum
11581 and its maximum value fits in signed_type(result_type). Update
11583 (build_conditional_expr): Warn here if one alternative is signed
11584 and the other is unsigned.
11586 2000-01-05 Nick Clifton <nickc@cygnus.com>
11588 * config/fr30/fr30.h: Remove extraneous comments.
11590 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11592 * reload1.c (choose_reload_regs): When disabling a reload, also
11593 set reload_spill_index to -1.
11595 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11597 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11599 (m68*-*-rtemself*): New target.
11600 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11601 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11602 (sparc*-*-rtemself*): New target.
11603 (sparc*-*-rtems*): Now elf not a.out.
11604 * config/i386/rtems.h: Include config/rtems.h.
11605 * config/i386/rtemself.h: Include config/rtems.h.
11606 * config/i960/rtems.h: Include config/rtems.h.
11607 * config/m68k/rtems.h: Include config/rtems.h.
11608 * config/m68k/rtemself.h: Include config/rtems.h.
11609 * config/mips/rtems64.h: Include config/rtems.h.
11610 * config/pa/rtems.h: Include config/rtems.h.
11611 * config/rs6000/rtems.h: Include config/rtems.h.
11612 * config/sh/rtems.h: Include config/rtems.h.
11613 * config/sh/rtemself.h: Include config/rtems.h.
11614 * config/sparc/rtems.h: Include config/rtems.h.
11615 * config/sparc/rtemself.h: Include config/rtems.h
11617 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11619 * final.c (shorten_branches): Correctly compute length of
11620 asms without operands.
11622 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11624 * configure.in: Add pj target.
11625 * configure: Regenerate.
11626 * config/pj: New directory.
11627 * config/pj/lib1funcs.S: New file.
11628 * config/pj/linux.h: New file.
11629 * config/pj/pj.c: New file.
11630 * config/pj/pj.md: New file.
11631 * config/pj/pjl.h: New file.
11632 * config/pj/t-pj: New file.
11633 * config/pj/xm-pj.h: New file
11635 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11637 * toplev.c (rest_of_compilation): Run shorten-branches before
11640 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11642 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11643 macros so that they're consistent with their names.
11644 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11645 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11647 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11649 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11650 modified inadvertently.
11652 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11654 * configure.in (v850*-*-rtems*): New target.
11655 * configure: Regenerate.
11656 * config/v850/rtems.h: New file.
11658 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11660 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11661 (__gthread_key_create): Likewise.
11662 (__gthread_key_dtor): Likewise.
11663 (__gthread_once): Fix logic.
11664 (__gthread_key_delete): Cast away constness.
11666 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11667 * invoke.texi: Document.
11668 * i386/mingw32.h (CPP_SPEC): Use.
11669 (LIBGCC_SPEC): Likewise.
11670 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11672 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11674 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11675 (HANDLE_PRAGMA_PACK): Undefine.
11676 (SLOW_UNALIGNED_ACCESS): Define.
11678 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11680 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11681 to default definition.
11682 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11683 (store_fixed_bit_field): Call macro with word_mode and alignment.
11684 (extract_bit_field): Call macro with relevant mode and alignment.
11685 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11686 to default definition.
11687 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11689 (move_by_pieces_ninsns): Likewise.
11690 (clear_by_pieces): Likewise.
11691 (emit_push_insn): Likewise.
11692 (store_field): Call macro with relevant mode and alignment.
11693 (expand_expr): Likewise.
11694 (expand_expr_unaligned): Likewise.
11696 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11697 (SLOW_UNALIGNED_ACCESS): Define.
11698 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11699 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11700 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11701 (toc_section): Likewise and .toc pseudo-op.
11702 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11704 (TEXT_SECTION_ASM_OP): Likewise.
11705 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11708 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11709 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11710 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11711 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11712 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11714 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11716 * regclass.c: Revert my Jan 4 change to loop cost computation.
11718 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11720 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11723 2000-01-04 Stan Cox <scox@cygnus.com>
11725 * haifa-sched.c (build_control_flow): Change unreachable simple
11726 loop test to check if current block has only one predecessor.
11727 (find_rgns): Initialize degree. Use dest as degree index, not src.
11729 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11731 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11733 * calls.c (expand_call): Likewise for
11734 `old_stack_arg_under_construction'.
11736 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11738 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11741 * gcc.c (execute): Likewise for `ut' and `st'.
11743 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11745 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11747 * jump.c (jump_optimize_1): Likewise for `temp2'.
11749 * local-alloc.c (block_alloc): Likewise for `r1'.
11751 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11753 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11754 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11756 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11759 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11760 and `goal_earlyclobber'.
11762 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11764 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11766 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11768 * unroll.c (copy_loop_body): Likewise for `copy'.
11770 * varasm.c (output_constructor): Likewise for `byte'.
11772 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11774 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11775 all FP constants for constant->reg moves.
11776 (ix86_split_to_parts): Try to convert memory address into immediate
11777 when available in the constant pool.
11778 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11780 (LEGITIMATE_CONSTANT_P): Return 1.
11781 * i386.md (pushsf): New splitter to convert constant pool memory
11782 reference to immediate.
11783 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11786 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11788 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11789 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11790 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11791 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11792 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11794 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11796 * ginclude/stdbool.h: Support compilation as C++.
11798 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11800 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11802 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11804 * regclass.c (regclass): Properly compute loop_cost. Adjust
11807 * regclass.c: Fix minor whitespace problems.
11809 2000-01-03 Anthony Green <green@cygnus.com>
11811 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11812 Restore the pic register if required.
11814 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11816 * c-common.c (format_char_info): Update comment.
11817 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11818 was recognized. Emit warning for formats new in ISO C99 only
11819 if flag_isoc9x is not set.
11821 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11823 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11825 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11827 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11828 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11829 (make_compound_operation): Choose cheaper alternative between
11830 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11832 * regclass.c (op_costs): Remove global variable.
11833 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11834 (record_operand_costs): Break out from ...
11835 (scan_one_insn): ... here.
11836 (dump_regclass): Make dumps nicer.
11837 (regclass): Dump preferrences choosed and changes done during passes.
11839 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11841 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11843 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11845 * config/sparc/sparc.c (gen_df_reg): New function.
11846 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11847 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11848 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11849 movtf_cc_reg_sp64+1): Use it.
11851 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11853 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11854 copied LABEL_DECLs.
11856 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11858 * config/i386/i386.c (ix86_expand_unary_operator): Function
11859 definition made void.
11860 (ix86_expand_binary_operator): Update outdated preceding comment.
11861 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11864 * config/i386/i386.c (override_options): Fix option-name typo.
11866 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11868 * system.h (CEIL): Define.
11869 * builtins.c (CEIL): Remove.
11870 * expmed.c (CEIL): Likewise.
11871 * expr.c (CEIL): Likewise.
11872 * stor-layout.c (CEIL): Likewise.
11874 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11876 * expr.c (store_constructor_field): Fix typo introduced with last
11879 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11881 * tree.h (BINFO_N_BASETYPES): New macro.
11883 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11885 * expmed.c (emit_store_flag): Prevent losing a pending stack
11886 adjust the same way we prevent losing queued increments.
11888 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11890 * function.c (update_temp_slot_address): Handle case where sum of
11891 temporary address plus offset in register is a valid address.
11893 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11895 * genrecog.c (change_state) Corrected typo.
11897 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11899 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11900 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11901 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11903 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11905 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11906 case, expand GT comparisons correctly. Fix a comment before this
11909 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11911 * dwarfout.c: Include "frame.h"
11912 * dwarf2out.c: Likewise.
11913 * Makefile.in (dwarfout.o): Depend on frame.h
11914 (dwarf2out.o): Likewise.
11916 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11918 Restore i386 binary compatibility in Dwarf EH info.
11919 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11920 value of FIRST_PSEUDO_REGISTER.
11921 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11922 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11923 * dwarfout.c (output_reg_number): Ditto.
11924 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11925 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11927 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11929 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11930 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11931 (<hack>_RE_CT): not needed
11932 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11933 rewritten to scan the file text once only
11934 "template<..." test added
11935 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11936 (is_cxx_header): declaration added
11937 * fixinc/fixtests.c(is_cxx_header): removed
11938 (apply_fix_p_t): removed
11939 (double_slash_test): is_cxx_header is only called once now
11940 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11941 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11942 within the templates.
11943 The borken spelling of "broken" was fixed.
11944 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11945 The default level depends on FIXINC_DEBUG.
11947 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11949 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11950 Otherwise provide a declaration for atexit.
11951 (init_dummy): Make sure dummy call to atexit is nevertheless
11952 called with correct number of args.
11954 * frame.c: Update comments referring to other files.
11956 * libgcc2.c: Likewise.
11958 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11960 * cse.c (free_element, get_element): Remove unused prototypes.
11962 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11965 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11968 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11970 * configure.in,configure: case arm for mn10200-*-* now sets
11971 float_format=i32 so that float.h will correctly claim "double"
11972 to be 32 bits. Ran autoconf to generate configure from .in file.
11974 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11976 * pa.md (conditional zero): If op1 is a register, force it into
11977 the same register as op0.
11979 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11981 * tree.h (BINFO_BASETYPES): Improve documentation.
11983 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11985 * configure.in (--enable-checking): Use a more portable `for'
11988 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11990 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11991 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11993 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11996 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11997 Delete descriptions.
11999 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12000 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12001 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12002 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12003 xm-svr4.h: Remove all instances of sys_siglist handling.
12005 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12007 * config/sparc/sparc.md (cmp_zero_qi,
12008 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12009 cmp_zero_extendqidi2_andcc_set): New patterns.
12011 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12013 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12014 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12015 (fpgnulib.c, xfgnulib.c): Add rules.
12016 * m68k/t-mot3300-gas: Likewise.
12018 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12020 * configure.in: Avoid [[ by using test and changequote. Add
12021 changequote required by 1999-12-14 change.
12022 * configure: Rebuild.
12024 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12026 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12028 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12030 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12031 * flow.c (find_use_as_address): Likewise.
12032 * function.c (fixup_var_refs_1): Likewise.
12033 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12034 * jump.c (invert_exp, redirect_exp): Likewise.
12035 * loop.c (replace_call_address): Likewise.
12036 (count_nonfixed_reads): Likewise.
12037 * rtlanal.c (modified_between_p): Likewise.
12038 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12039 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12040 * unroll.c (remap_split_bivs): Likewise.
12042 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12044 * diagnostic.c (v_message_with_decl): Use .* format specifier
12045 instead of building the format specifier width manually.
12047 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12048 determining whether to provide a prototype. Remove the
12049 sys_siglist clause in the conditional.
12051 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12053 * fold-const.c (operand_equal_p): Use memcmp to compare string
12055 Suggested by D. J. Bernstein
12057 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12059 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12060 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12062 * config/mips/mips.h (TARGET_64BIT): Likewise.
12063 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12064 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12065 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12066 dsps. Give routines proper names if SI/DI modes are not used.
12067 * longlong.h: Use DWunion instead of DIunion.
12069 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12071 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12072 GC_CHECKING, GC_ALWAYS_COLLECT.
12073 * configure.in: Allow --enable-checking with an argument
12074 listing check modes to enable.
12075 * config.in, configure: Rebuilt.
12076 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12077 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12078 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12079 ENABLE_GC_ALWAYS_COLLECT.
12080 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12082 * tree.h, tree.c: Change ENABLE_CHECKING to
12083 ENABLE_TREE_CHECKING throughout.
12085 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12087 * fold-const.c (fold_truthop): Properly check for FP RHS.
12089 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12091 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12092 * toplev.c (note_deferral_of_defined_inline_function): New
12093 function, split out from ...
12094 (rest_of_compilation): ... here. Use it.
12096 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12098 * expr.c (store_constructor): Don't call clear_storage if size is
12101 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12103 * Makefile.in (toplev.o): Depend on loop.h.
12105 * dwarfout.c: Include tm_p.h.
12107 * emit-rtl.c (restore_emit_status): Mark parameter with
12110 * final.c (final_scan_insn): Likewise.
12112 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12113 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12114 flow_depth_first_order_compute, flow_loop_pre_header_find,
12115 flow_loop_tree_node_add, flow_loops_tree_build,
12116 flow_loop_level_compute, flow_loops_level_compute,
12117 flow_loop_outside_edge_p): Add prototypes.
12118 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12120 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12121 Mark with ATTRIBUTE_NORETURN.
12123 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12125 * local-alloc.c (no_conflict_p): Likewise.
12127 * loop.c (insert_bct): Hide definitions of variables with hidden
12129 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12131 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12132 with ATTRIBUTE_UNUSED.
12133 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12134 (reg_scan): Likewise.
12136 * reload.c (find_reloads): Remove unused variables `changed'.
12138 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12140 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12141 Remove unused variable `insn'.
12143 * toplev.c: Include loop.h.
12144 (report_file_and_line): Remove unnecessary prototype.
12146 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12148 * unroll.c (biv_total_increment): Likewise.
12150 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12152 * reload1.c (emit_input_reload_insns): Restore old behaviour
12153 wrt. 'special' reloads.
12155 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12157 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12158 hash.h. (cse.c): Don't depend on hashtab.h.
12160 * cse.c: Don't include hashtab.h.
12161 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12163 * ggc-simple.c: Don't include hash.h.
12165 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12167 * dwarf2out.c (add_abstract_origin_attribute): Call
12168 gen_abstract_function on our function context.
12170 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12172 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12174 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12176 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12179 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12181 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12182 constraints to "a!r".
12184 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12186 * Makefile.in (calls.o): Depend on function.h.
12187 (alias.o): Likewise.
12189 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12191 * reload1.c (emit_reload_insns): Break out code and variables into...
12192 (input_reload_insns, other_input_address_reload_insns,
12193 other_input_reload_insns, input_address_reload_insns,
12194 inpaddr_address_reload_insns, output_reload_insns,
12195 output_address_reload_insns, outaddr_address_reload_insns,
12196 operand_reload_insns, other_operand_reload_insns,
12197 other_output_reload_insns): ... new static variables, and...
12198 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12199 do_output_reload): ... new functions.
12201 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12203 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12205 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12207 * md.texi: Add c4x constraints documentation.
12209 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12211 * config/i386/dgux.c (struct option): Rename to
12212 lang_independent_option.
12213 (struct m_options): Add description field.
12214 (output_options): Rename option type, add sep declaration, output
12215 ix86_cpu_string and ix86_arch_string only if set.
12216 (output_file_start): Rename option type.
12218 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12220 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12222 (libgcc2.a): Similarly.
12224 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12226 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12227 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12228 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12230 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12232 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12233 Remove redundant initialization of "frexpon" and "expon".
12235 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12237 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12239 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12240 (store_constructor_field, expand_expr): Pass new arg.
12242 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12244 * Makefile.in (explow.o): Depend on function.h.
12246 * stor-layout.c (set_sizetype): Fix typo.
12248 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12250 * function.c (cfun): Renamed from current_function. All users
12252 * function.h (cfun): Rename declaration as well.
12254 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12255 to be of type regset_head, not regset. All users changed by adding
12257 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12259 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12261 * config/c4x/rtems.h: New file.
12263 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12265 * reload1.c (spill_failure): Take class of failed reload as argument
12266 and print it. Caller changed.
12268 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12270 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12271 (TARGET_SWITCHES): Allow subtargets to default switches.
12272 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12274 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12276 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12279 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12281 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12282 * cppinit.c (cpp_handle_option): Likewise.
12284 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12285 determine when to define.
12287 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12289 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12290 cmove with mismatched test and data modes.
12292 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12294 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12297 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12299 * alias.c: Minor reformatting.
12300 * flow.c: Likewise.
12301 * regs.h: Likewise.
12302 * stor-layout.c: Likewise.
12303 * fold-const.c: Likewise.
12304 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12305 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12307 (size_int_wide): Cache nodes even if garbage collecting.
12308 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12309 of SAVE_EXPR has no side effects.
12310 * cse.c: Move a comment.
12311 * tree.c: Minor reformatting.
12312 (int_size_in_bytes): Return -1 if constant overflows.
12314 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12316 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12318 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12320 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12321 after any change to c-parse.in, even if objc-parse.y didn't
12324 1999-12-18 David S. Miller <davem@redhat.com>
12326 * toplev.c (rest_of_compilation): Restore BLOCK tree
12327 reconstruction and branch shortening changes lost in
12328 December 18th change.
12330 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12332 * config/arm/linux-elf.h: Change all instances of
12333 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12334 * config/arm/uclinux-elf.h: Likewise.
12336 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12338 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12339 v_message_with_decl, file_and_line_for_asm,
12340 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12341 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12342 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12343 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12344 pfatal_with_name, fatal_io_error, need_error_newline,
12345 last_error_function, last_error_tick, announce_function,
12346 default_print_error_function, print_error_function,
12347 report_error_function, fnotice, error_with_file_and_line,
12348 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12349 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12350 warning_with_decl, warning_for_asm, warning, pedwarn,
12351 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12353 (compile_file): Use fnotice instead of notice. Adjust call.
12355 * diagnostic.c: New file.
12357 * Makefile.in (OBJS): Include diagnostic.o
12358 (diagnostic.o): Define dependence.
12360 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12362 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12365 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12367 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12369 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12371 * fixtests.c (is_cxx_header): New fn, split out of
12373 (else_endif_label): Allow "#endif // comment" in C++ headers,
12374 as determined by is_cxx_header.
12375 * fixfixes.c (else_endif_label_fix): Update comment.
12376 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12378 * genfixes: Correct double thinko in commandline parsing.
12379 * hackshell.tpl: Generate correct sh syntax for bypass
12382 * inclhack.def (all): Whenever an inserted preprocessor
12383 conditional is split over multiple lines, use double
12384 backslashes in this file so the fixed header will be readable.
12386 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12387 and add bypass entry for correct version of this header.
12388 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12389 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12391 (hpux8_bogus_inlines): New fix, split from...
12392 (ultrix_atof_param) ... here.
12393 (math_expression): Add bypass entry keyed to glibc comment
12394 indicating the problem has been dealt with; disable
12395 unnecessary sed operations; update commentary.
12396 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12397 add select and bypass entries, simplify shell operation.
12398 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12400 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12401 ultrix_atof_param): Add select entry.
12402 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12403 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12404 comments with the fixes they describe.
12406 * c-parse.in (string action): Do not warn about ANSI string
12407 concatenation in system headers. Affects C parser only.
12408 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12410 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12412 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12413 compiling libgcc2 the macro depends always on arch cpp defines.
12415 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12417 * loop.c (insert_loop_mem): Don't record MEMs from inside
12420 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12422 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12424 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12425 notes too, create one when replacement failed, attempt to simplify
12427 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12428 or REG_EQUIV notes.
12430 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12432 * crtstuff.c (__dso_handle): Declare.
12433 (__cxa_finalize): Likewise.
12434 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12437 * invoke.texi: Document -fuse-cxa-atexit.
12439 * tree.h (ptr_type_node): Document.
12440 (const_ptr_type_node): Likewise.
12442 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12444 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12445 (optimize_reg_copy_2): Likewise.
12446 (optimize_reg_copy_3): Likewise.
12447 (fixup_match_2): Likewise.
12448 (regmove_optimize): Likewise.
12449 (fixup_match_1): Liekwise.
12451 * i386.md (HI to SImode promoting splitters): Rewrite.
12452 (pushsf mem peep2): New.
12453 (testhi to andhi peep2): Remove.
12454 * i386.h (x86_promote_QImode): New.
12455 (TARGET_PROMOTE_QImode): New.
12456 (PREDICATE_CODES): Add promotable_binary_operator.
12457 * i386.c (x86_promote_QImode0: New.
12458 (promotable_binary_operator): New.
12459 * i386-protos.h (promotable_binary_operator): New.
12461 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12463 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12465 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12467 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12468 * function.c (insert_block_after_note): Remove.
12469 (retrofit_block): Likewise.
12470 (identify_blocks): Fix indentation.
12471 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12472 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12473 * function.h (insert_block_after_note): Remove prototype.
12474 (retrofit_block): Likewise.
12475 * integrate.c (expand_inline_function): Don't call
12476 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12477 just expand_start_bindings. Use the block_map to remap old
12478 NOTE_BLOCKs to new ones.
12479 (integrate_decl_tree): Keep track of remapped blocks.
12480 * integrate.h (struct inline_remap): Add block_map.
12481 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12482 NOTE_BLOCK on the notes.
12483 (expand_start_bindings): Rename to ...
12484 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12485 (expand_end_bindings): Set NOTE_BLOCK.
12486 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12487 reconstruct the BLOCK tree.
12488 * tree.h (expand_start_bindings): Macroize. Call ...
12489 (expand_start_bindings_and_block): New function.
12491 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12493 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12494 to match the format.
12496 1999-12-16 David S. Miller <davem@redhat.com>
12498 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12499 the outputs is a SUBREG.
12500 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12503 * config/sparc/sparc.c (epilogue_renumber): Add default case
12506 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12508 * toplev.c (rest_of_compilation): Run branch shortening after
12511 * regclass.c (loop_depth): Remove
12512 (scan_one_insn): Do not handle LOOP_NOTE insns.
12513 (regclass): Go through basic blocks and set loop_cost
12515 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12517 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12519 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12521 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12522 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12523 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12525 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12527 * loop.c (insert_loop_mem): Ignore memory clobbers.
12529 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12532 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12534 * profile.c: Remove redundant #include "output.h".
12536 * h8300.md (HImode preinc peephole): Fix typo.
12538 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12540 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12541 (insert_block_after_note): Abort if we don't have a previous block.
12542 Remove FN parameter.
12543 * function.h: Adjust.
12545 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12547 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12548 argument more than once.
12550 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12552 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12554 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12556 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12558 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12560 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12561 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12562 update stack_alignment_needed.
12563 (prepare_function_start): Initialize stack_alignment_needed
12564 * function.h (struct function): Add field stack_alignment_needed.
12566 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12568 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12569 Handle live_throughout / dead_or_set instead of live_before /
12571 (save_call_clobbered_regs): Get register livenessinformation from
12572 chain->live_throughout.
12573 (add_stored_regs): New function.
12574 (insert_restore, insert_save): Add restored / saved registers to
12576 * global.c (reg_dies): New parameter chain.
12577 (reg_becomes_live): Third parameter is regs_set now.
12578 Changed all callers.
12579 (reg_dies): New parameter chain. Changed all callers.
12580 (build_insn_chain): Set live_throughout instead of
12581 live_before / live_after.
12582 * reload.h (struct insn_chain): Replace members live_before /
12583 live_after with live_throughout / dead_or_set.
12584 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12585 instead of live_before / live_after.
12586 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12587 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12588 (choose_reload_regs_init): Likewise.
12589 * stupid.c (current_chain, find_clobbered_regs): Delete.
12590 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12591 instead of chain->live_before / chain->live_after.
12592 (mark_hard_ref): New function.
12593 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12595 1999-12-15 David S. Miller <davem@redhat.com>
12597 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12599 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12601 * flow.c (calculate_loop_depth): Make global, remove prototype,
12602 rewrite to use new loop infrastructure.
12603 (find_basic_block): Remove calculate_loop_depth call.
12604 * toplev.c (rest_of_compilation): Call find_basic_block.
12605 * output.h (calculate_loop_depth): Declare.
12607 * flow.c (dump_flow_info): Dump loop_depth.
12608 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12610 (flow_loops_find): Initialize the loop_depth for each basic block.
12612 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12614 * tree.c (decl_function_context): Handle virtual functions.
12616 * tlink.c (scan_linker_output): Don't look in demangled name when
12617 looking for linker output keywords.
12619 * dwarfout.c (output_type): We can defer namespace-scope classes.
12621 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12623 * regclass.c (record_reg_classes): Update comment for merging
12624 register class preferences in reg->reg copies. Tighten conditions
12625 for merging register class preferences in reg->reg copies.
12627 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12629 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12631 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12633 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12634 (INIT_SECTION_ASM_OP): Delete.
12635 (FINI_SECTION_ASM_OP): Delete.
12636 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12638 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12640 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12641 the abstract origin wasn't emitted.
12643 * dwarf2out.c (class_scope_p): New fn.
12644 (gen_subprogram_die): Use it.
12645 (gen_variable_die): Use it. Tweak logic.
12646 (gen_struct_or_union_type_die): Check context_die to determine
12647 if we're function-local.
12648 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12650 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12652 * loop.c (check_dbra_loop): Can't reverse a biv that has
12653 maybe_multiple set.
12655 1999-12-14 Nick Clifton <nickc@cygnus.com>
12657 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12660 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12662 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12663 for givs made from biv increments.
12665 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12667 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12668 * alpha.c (override_options): Recognize -mcpu=ev67.
12669 * alpha.h (CPP_CPU_EV67_SPEC): New.
12670 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12671 (EXTRA_SPECS): Update.
12673 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12675 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12676 appropriate for -lang-c89 and -std=*.
12677 * cppinit.c (cpp_handle_option): Likewise.
12678 (new_pending_define): New, split out from cpp_handle_option.
12679 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12680 or enable trigraphs for -ansi/-std=*.
12682 * ginclude/stdarg.h (__va_copy): New.
12683 (va_copy): Don't define for C89.
12685 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12687 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12688 for long long multiply-accumulate.
12690 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12692 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12693 optimizing for size.
12695 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12697 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12698 if something changed. Back out that part of yesterday's changes.
12700 * loop.c (loop_max_reg): New static variable.
12701 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12703 (scan_loop): Call reg_scan_update whenever we may have added new
12704 registers, and update loop_max_reg.
12706 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12708 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12709 when source does not die.
12711 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12713 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12715 * config/sparc/linux64.h (TARGET_LIVE_G0,
12716 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12718 * config/sparc/linux.h (TARGET_LIVE_G0,
12719 TARGET_BROKEN_SAVERESTORE): Likewise.
12720 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12721 TARGET_BROKEN_SAVERESTORE): Likewise.
12723 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12724 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12726 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12727 as sparc64 block profiling register.
12728 * config/sparc/sparc.c (sparc_override_options): Allow block
12729 profiling with -m32.
12730 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12731 profiling register.
12732 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12733 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12734 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12736 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12738 * config/sparc/sparc.h: Likewise.
12739 * config/sparc/xm-sysv4-64.h: Likewise.
12740 * config/float-sparc.h: Likewise.
12741 * glimits.h: Likewise.
12742 * longlong.h: Likewise.
12744 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12745 (ASM_IDENTIFY_GCC): Remove.
12747 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12749 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12750 (simplify_logical): Likewise.
12752 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12754 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12755 * cppfiles.c (INO_T_EQ): Likewise.
12757 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12759 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12760 * i386/mingw32.h (LIB_SPEC): Likewise.
12761 (STARTFILE_SPEC): Likewise.
12762 * i386/uwin.h (LIB_SPEC): Likewise.
12763 (STARTFILE_SPEC): Likewise.
12765 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12766 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12768 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12770 * combine.c (combine_simplify_rtx): Fix order of checks for
12771 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12773 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12775 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12776 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12778 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12780 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12782 * regclass.c (inv_reg_alloc_order): New array.
12783 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12785 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12786 counted_for_groups, counted_for_nongroups. Add fields rld and
12788 * reload.c (push_secondary_reload): Don't set nongroup field of
12790 (push_reload): Likewise.
12791 (find_reloads): Delete code to compute nongroup fields.
12792 * reload1.c (reload_insn_firstobj): New static variable.
12793 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12795 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12796 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12797 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12799 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12801 (struct hard_reg_n_uses): Deleted.
12802 (potential_reload_regs): Deleted.
12803 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12804 (reload): Don't try to allocate reload registers if we already know
12805 we have to make another pass. Call select_reload_regs. Free memory
12806 starting with reload_firstobj when starting another pass.
12807 Don't allocate spilled_pseudos.
12808 (calculate_needs_all_insns): Call copy_reloads for an insn that
12809 needs reloads; don't call calculate_needs.
12810 (spill_cost): New static array.
12811 (used_spill_regs_local): New static variable.
12812 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12813 to compute potential_reload_regs.
12814 (find_reload_regs): Completely rewritten to use find_reg.
12815 (allocate_reload_reg): Don't test counted_for_groups or
12816 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12817 all cllers changed.
12818 (choose_reload_regs): Add fallback code that uses the existing
12819 register allocation from find_reload_regs.
12821 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12823 * flow.c (create_edge_list): Cast xmalloc return value.
12825 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12827 * doprnt.c: Remove incorrect comment closure.
12829 * cse.c: Fix a few minor whitespace goofs.
12831 1999-12-13 Don Bowman <don@pixstream.com>
12833 * mips/vxworks.h: Fix problem with comment termination.
12834 (EXTRA_SECTIONS): Add in_sbss.
12835 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12837 1999-12-12 David S. Miller <davem@redhat.com>
12839 * cse.c (struct cse_reg_info): Add hash_next member,
12840 reorder rest of struct for better packing on 64-bit
12842 (cse_reg_info_tree): Kill.
12843 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12844 REGHASH_FN): New custom pow2 hash mechanism.
12846 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12847 use a pow2 hash table.
12848 (get_cse_reg_info): Rework to use new REGHASH.
12849 (new_basic_block): Likewise, use HASH_SIZE, and inline
12851 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12852 and inline free_element call.
12853 (lookup_as_function, insert, flush_hash_table, invalidate,
12854 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12855 invalidate_for_call, use_related_value, find_comparison_args,
12856 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12857 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12858 get_element): Kill.
12860 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12862 * cse.c (cse_basic_block): Free qty_table consistently.
12864 1999-12-12 David S. Miller <davem@redhat.com>
12865 Jakub Jelinek <jakub@redhat.com>
12867 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12868 SUBREGs by hand, gen the appropriate hard reg directly.
12869 (movtf reg/mem split): Likewise and alter_subreg on destination
12871 (movtf mem/reg split): Similarly.
12872 (movdf_cc_sp64): Rename from hidden pattern.
12873 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12874 (movtf_cc_sp64, following split): New pattern and splitter.
12875 (movdf_cc_reg_sp64): Rename from hidden pattern.
12876 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12878 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12880 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12882 * loop.c (load_mems): Don't hoist written floating point mem
12885 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12887 * except.h (struct eh_queue): Add `next' pointer.
12888 (struct eh_status): Make x_ehqueue a pointer.
12889 (push_ehqueue): Declare.
12890 (pop_ehqueue): Likewise.
12891 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12893 (expand_fixup_region_end): Likewise.
12894 (expand_leftover_cleanups): Likewise.
12895 (push_ehqueue): Define.
12896 (pop_ehqueue): Likewise.
12897 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12898 than doing it inline.
12899 (expand_start_all_catch): Adjust now that ehqueue is a
12901 (mark_eh_queue): Mark all level of the queue.
12902 (mark_eh_status): Adjust now that ehqueue is a
12904 (init_eh_for_function): Allocate ehqueue.
12905 (free_eh_status): Free it.
12906 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12907 expansion for a fixup.
12909 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12911 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12913 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12914 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12915 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12916 function_ptr, getpagesize, __enable_execute_stack,
12917 __enable_execute_stack, __clear_insn_cache,
12918 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12919 _cleanup, _exit, __default_terminate, __terminate_func,
12920 __terminate, __empty, __throw, new_eh_context,
12921 eh_context_initialize, eh_context_static, eh_context_specific,
12922 get_eh_context, __get_eh_context, __get_eh_info,
12923 init_reg_size_table, eh_threads_initialize,
12924 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12925 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12926 __pure_virtual): Add prototype arguments.
12927 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12928 Cast a signed value to unsigned long when comparing against one.
12929 (new_eh_context): Wrap in _GTHREADS macro.
12930 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12932 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12933 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12935 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12937 * combine.c (record_promoted_value): Remove unused variable
12940 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12942 * global.c (record_conflicts): Likewise for `j'.
12944 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12947 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12949 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12950 output_fp_compare): Constify a char*.
12952 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12954 (override_options, ix86_comp_type_attributes, print_operand,
12955 output_387_binary_op, output_fix_trunc, output_fp_compare):
12957 (ix86_sched_reorder): Mark parameter `clock_var' with
12960 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12962 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12964 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12965 operand, for use in the Java front-end.
12967 1999-12-10 Ben Collins <bcollins@debian.org>
12969 * configure.in: Fix typo for "-64" in 64bit as check.
12970 * configure: Rebuilt.
12972 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12974 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12977 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12979 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12980 concatenation is utilized.
12982 * invoke.texi (-Wtraditional): Document it.
12984 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12986 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12987 Cast a ptrdiff_t to long and pass it to printf with %ld.
12989 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12991 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12992 68881, we have no 68881 registers at all.
12993 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12994 value in a 68881 register if it is available.
12996 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12998 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12999 for long long multiply-accumulate.
13001 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13003 * loop.c (insert_loop_mem): Undo last change.
13005 1999-12-10 David S. Miller <davem@redhat.com>
13007 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13009 * config/sparc/sparc-protos.h: Add them.
13010 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13011 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13012 constraints which use those helpers.
13013 (EXTRA_CONSTRAINT): Use this new macro.
13014 * md.texi: Update sparc target constraints documentation.
13015 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13016 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13017 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13018 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13019 (movsf high/lo_sum split): Rework for new patterns.
13020 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13022 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13024 * c-common.c (c_common_nodes_and_builtins):
13025 Create __builtin_ptrdiff_t and __builtin_size_t.
13027 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13029 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13031 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13033 * regclass.c (globalize_reg): Re-instate test that allows
13034 fixed registers to be declared as a variable even after functions
13037 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13039 * i386.md (cpu attribute): Add "athlon".
13040 (athlon_decode): New attribute.
13041 (Athlon scheduling units definitions): New.
13042 (fcmp and shld patterns): Set athlon_decode to "vector".
13043 * i386.c (athlon_cost): New.
13045 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13046 x86_use_sahf): Set for Athlon.
13047 (x86_use_fiop): Unset for Athlon.
13048 (override_options): Define Athlon alignments and "athlon" name.
13049 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13050 * i386.h (TARGET_ATHLON): New.
13051 (enum processor_type): Add PROCESSOR_ATHLON.
13052 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13054 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13056 1999-12-09 Andreas Jaeger <aj@suse.de>
13058 * loop.c (record_biv): Declare parameter as int.
13060 * config/i386/i386-protos.h: Declare long_memory_operand.
13062 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13064 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13065 EXPR_WITH_FILE_LOCATION.
13067 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13069 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13072 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13074 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13077 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13079 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13080 default on linux64 again.
13081 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13082 models for multilibing.
13083 * genmultilib: Accept | as alternative separator within a set in
13086 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13088 * calls.c (precompute_arguments): Make sure initial_value contains
13089 value pseudo which CSE expects.
13090 * cse.c (struct set): New entry orig_src.
13091 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13094 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13096 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13098 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13100 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13102 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13104 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13105 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13107 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13110 * longlong.h: Merge in changes from glibc.
13111 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13112 -mno-app-regs libgcc can be compiled.
13113 * libgcc2.c: Add defines so that the updated longlong.h
13114 can be used in libgcc2.a. Also, make sure on most architectures
13115 (at least on all which have optimized code in longlong.h defined
13116 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13118 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13120 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13121 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13122 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13124 * configure: Rebuilt.
13126 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13128 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13129 outputs require a register.
13131 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13133 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13134 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13135 functions like dptoul will be resolved.
13136 (libgcc2.a): Make sure that the object files from DPBIT are named
13137 differently (prefix `_dp') from those that would be coming from
13140 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13142 * configure.in: When target is sparc* and tm_file contains 64,
13143 test for 64bit support in assembler. If not supported, remove
13144 sparc/t-sol2-64 from target-dependent Makefile fragments.
13145 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13146 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13147 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13148 * acconfig.h (AS_SPARC64_FLAG): Added.
13149 * configure, config.in: Rebuilt.
13150 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13151 support. Use AS_SPARC64_FLAG.
13153 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13155 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13156 suitable for holding OFmode values so that gcc works with complex
13158 (hard_64bit_mode_classes): Likewise.
13160 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13161 so that it is actually matched.
13162 (sethi_di_medlow): Likewise.
13164 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13165 as legitimate constant if -mvis.
13166 * config/sparc/sparc.md (movtf): Likewise.
13167 (clear_sf): Use const_double_operand.
13168 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13170 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13171 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13172 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13173 routines, _Qp_* cannot be handled like that now.
13174 (INIT_TARGET_OPTABS): Likewise.
13175 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13176 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13177 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13178 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13179 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13180 divtf3, sqrttf3): New expanders.
13181 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13182 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13183 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13186 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13187 * configure: Rebuilt.
13188 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13189 -mcpu is given and we're doing 64bit compiles.
13191 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13193 * loop.h (struct induction): Add multi_insn_incr.
13194 * loop.c (basic_induction_var): New multi_insn_incr argument.
13195 Set it if we search back through previous insns for the biv.
13196 (record_biv): New multi_insn_incr argument; fill in struct induction.
13197 (strength_reduce): Discard an iv with multiple bivs, any of
13198 which require multiple insns to increment.
13200 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13202 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13205 1999-12-06 David S. Miller <davem@redhat.com>
13207 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13208 PROMOTE_FUNCTION_RETURN.
13210 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13212 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13213 and handle REG_UNUSED note on insn.
13215 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13216 inner_mask instead of mask.
13218 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13220 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13221 zero if there was an error.
13223 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13225 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13228 * longlong.h: Fix clobbers in SPARC asm statements.
13230 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13231 valid sethi operations when TARGET_ARCH64.
13233 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13234 always use move_by_pieces to avoid infinite recursion.
13235 (restore_fixed_argument_area): Likewise.
13237 * combine.c (check_promoted_subreg, record_promoted_value): New
13239 (combine_instructions): Use them to retain nonzero and sign bit
13240 information after SUBREGs are eliminated by optimizations in
13241 this pass if PROMOTE_FUNCTION_RETURN.
13243 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13244 .register declaration. Don't use variables with __ prefixes.
13246 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13248 * fold-const.c (optimize_bit_field_compare): Only use one mode
13249 for both RHS and LHS in non-constant case.
13251 1999-12-06 Nathan Sidwell <nathan@acm.org>
13253 * frame.c (start_fde_sort): Only allocate erratic array, if
13254 linear one was allocated. Return allocated flag.
13255 (fde_insert): Only insert, if there's a valid array.
13256 (fde_end_sort): Split, sort and merge if linear and erratic
13257 arrays exist, else just sort linear one.
13258 (search_fdes): New function. Linear search through original fde
13260 (frame_init): Permit multiple initializations. Cope with
13262 (find_fde): Fallback on linear search, if failed to sort array.
13263 (__deregister_frame_info): Only free sorted array, if we
13266 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13268 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13270 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13272 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13274 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13276 * tree.h (special_function_p): Declare.
13277 * calls.c (special_function_p): Make it global. Don't take `name'
13278 as a parameter. Fix typo in 1999-11-28 change.
13279 (expand_cal): Adjust.
13281 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13283 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13284 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13285 EXPR_WFL_FILENAME_NODE.
13286 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13288 * print-tree.c (print_note): Print TREE_PRIVATE and
13291 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13292 the original die cannot be found.
13294 * varray.h (varray_head_tag): Add elements_used.
13295 (VARRAY_PUSH): New macro.
13296 (VARRAY_POP): Likewise.
13297 (VARRAY_TOP): Likewise.
13298 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13300 * varray.c (varray_init): Initialize elements_used.
13301 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13302 (INTEGRATE_H): New variable.
13303 (integrate.o): Depend on INTEGRATE_H.
13304 (unroll.o): Likewise.
13306 * function.h (insert_block_after_note): Declare.
13307 * function.c (insert_block_after_note): Split out from ...
13308 (retrofit_block): ... here.
13310 * stmt.c (expand_fixup): Fix typo in comment.
13312 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13314 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13315 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13316 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13317 (regmove_optimize, fixup_match_1): Likewise.
13319 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13321 * flow.c (flow_loops_dump): Add missing argument when calling
13322 flow_loop_nested_p.
13324 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13325 Greg McGary <gkm@gnu.org>
13327 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13328 (init_attributes): Add A_NO_LIMIT_STACK.
13329 (decl_attributes): Handle A_NO_LIMIT_STACK.
13330 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13331 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13332 Handle stack bounds checking.
13333 * flags.h (flag_stack_check): Use the word 'probe' rather than
13334 'check', because the flag doesn't actually cause any checking to
13336 * function.c (expand_function_start): Set
13337 current_function_limit_stack.
13338 * function.h (struct function): Add limit_stack.
13339 (current_function_limit_stack): Define.
13340 * invoke.texi (Code Gen Options): Document new options.
13341 * rtl.h: Declare stack_limit_rtx.
13342 * toplev.c (stack_limit_rtx): New variable.
13343 (decode_f_option): Handle new options -fstack-limit-register=REG,
13344 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13345 (main): Add stack_limit_rtx as GC root.
13346 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13347 (struct tree_decl): New member no_limit_stack.
13349 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13351 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13352 (conditional_trap+1): Get new mnemonic correct.
13353 (conditional_trap+2): New pattern for DImode traps.
13355 * config/m68k/m68k.c (output_function_prologue): Handle
13357 * config/m68k/m68k.md (trap): New insn.
13358 (conditional_trap): New insn.
13359 * md.texi (Standard Names): Document `trap' and
13360 `conditional_trap'.
13361 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13362 so a cc0 setter doesn't get emitted at some random place in the
13365 * config/i960/i960.md (trap): New insn.
13366 (conditional_trap): New expander.
13367 (conditional_trap+1, conditional_trap+2): New insns for signed
13368 and unsigned cases.
13369 * config/i960/i960.c (i960_function_prologue): Use
13370 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13372 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13373 Geoffrey Keating <geoffk@cygnus.com>
13375 * flags.h (warn_padded, warn_packed): Add global var decls.
13376 * toplev.c (warn_padded, warn_packed): Add global var defns.
13377 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13378 * stor-layout.c (layout_record): Add local variable `type'
13379 to hold often-used TREE_TYPE (field). Add local variable
13380 `unpacked_align' to hold alignment that would be in force
13381 if no `packed' attribute were present. Warn if `packed' attribute
13382 is unnecessary, or even harmful. Warn when gcc inserts padding
13383 to satisfy alignment requirements of members. Use NULL_TREE
13384 when checking whether var_size is set.
13385 * invoke.texi: Document new flags.
13387 1999-12-03 Nathan Sidwell <nathan@acm.org>
13389 * frame.c (fde_split): Reimplement to avoid variable sized array.
13391 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13393 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13394 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13396 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13398 * invoke.texi: Document the mips option -mno-crt0
13400 1999-12-02 Mike Karr <mkarr@mathworks.com>
13402 * cccp.c (argdata): Added free_ptr member.
13403 (macroexpand): Initialize free_ptr of each argument. When an
13404 argument's buffers are freed, if the argument's free_ptr corresponds
13405 to a buffer on the input stack, then return the free_ptr to that stack
13406 frame, otherwise, free it.
13407 (macarg): If an argument begins and ends on the same input stack level,
13408 then transfer the free_ptr of that buffer to the argument in case
13409 the stack is popped during the processing of a subsequent argument.
13411 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13413 * loop.c (note_reg_stored): New function.
13414 (struct note_reg_stored_arg): New structure.
13415 (try_copy_prop): Change to be more conservative; only replace within
13416 one extended basic block and stop replacing if a store to the
13417 replacement reg is seen.
13419 1999-12-02 Nick Clifton <nickc@cygnus.com>
13421 * config/fp-bit.c: Initialise all fields of the NAN
13424 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13427 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13429 * i386.md (extend?f?f2): Force the input into a register, not
13432 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13434 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13436 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13437 alternative because setting up 64bit constant is usually costly,
13438 especially when reload is in progress or completed.
13439 (movdf_const_intreg_sp64): Likewise.
13440 (movdf_const_intreg split): Fix building up constants when
13441 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13443 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13445 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13446 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13449 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13450 (asm_file_start): Emit .am33 into assembly file when compiling for
13452 (print_operand_address): Handle POST_INC addresses.
13453 (can_use_return_insn, initial_offset): Check AM33 registers too.
13454 (expand_prologue): Check & save AM33 registers too.
13455 (expand_epilogue): Similarly.
13456 (secondary_reload_class): Handle AM33 specific secondary reloads.
13457 (output_tst): Emit efficient code for the AM33 too.
13458 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13459 (TARGET_SWITCHES): Add -mam33 switch.
13460 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13461 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13462 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13463 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13464 (enum reg_class, REG_CLASS_NAMES): Likewise.
13465 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13466 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13467 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13468 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13469 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13470 (HAVE_POST_INCREMENT): Define.
13471 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13472 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13473 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13474 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13475 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13476 (zero_extend to SI from QI/HI): Likewise.
13477 (sign_extend to SI from QI/HI): Likewise.
13478 (mulsidi3, umulsidi3): New patterns for the AM33.
13479 (tstsi with zero extension from QI/HI): Add AM33 variants.
13480 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13481 (return_internal_regs, store_movm): Handle new AM33 registers.
13482 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13483 (LIBGCC, INSTALL_LIBGCC): Likewise.
13484 * invoke.texi: Document new flags.
13486 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13488 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13489 (addsi3_carry): Likewise.
13490 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13491 (sbbsi3_carry): Likewise.
13492 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13493 (mulhi3): Likewise.
13494 (test?i_1): Ensure that only one operand is memory.
13495 (conditional move patterns): likewise.
13496 (shift and rotate patterns): Rewrite to expander, add
13497 "binary_operator_ok" to the condition.
13499 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13500 * i386.h (procesor_costs): Add movzbl_load field.
13501 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13502 non-Q registers, accept DImode registers anywhere.
13504 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13505 * i386.c (*_cost): Set value for movxbl_load field.
13507 * (addsi): New add to lea splitter.
13508 (ashlsi): Likewise.
13509 (lea to add/shift peep2): New.
13511 1999-12-01 Mark Salter <msalter@cygnus.com>
13513 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13514 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13515 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13517 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13519 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13520 * i386.md (movsi_xor): New.
13522 (movsi_1, movhi_1, movqi_1): Remove.
13523 (movsi_2): Rename to movsi_1.
13524 (movhi_2): Rename to movhi_1.
13525 (movqi_2): Rename to movqi_1.
13526 (movdi_1): Remove; remove splitter.
13527 (movdi_2): Rename to movdi_1.
13528 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13529 (long move peep2): Do not create QI or HI mode mov0s
13530 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13532 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13535 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13536 (abs?f2_if): Likewise.
13538 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13540 * ggc.h (ggc_test_and_set_mark): New macro.
13541 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13542 (ggc_mark_tree): Likewise.
13543 (ggc_mark_rtvec): Likewise.
13544 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13546 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13548 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13550 (decl_scope_table): Just an array of trees now.
13551 (push_decl_scope): Simplify.
13552 (dwarf2out_init): Adjust.
13553 (local_scope_p): New fn.
13554 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13555 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13556 (gen_typedef_die): Likewise.
13557 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13558 (gen_inlined_subroutine_die): Likewise.
13559 (gen_abstract_function): Set current_function_decl temporarily.
13560 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13561 Handle block extern declarations. Don't call push/pop_decl_scope.
13562 (gen_decl_die): Fix logic for block externs.
13564 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13566 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13567 to the list of functions which have attribute malloc by default.
13569 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13571 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13572 integer constant does not match the traditional type, limit the
13573 warnings to cases where the base of the type is ten.
13575 * invoke.texi (-Wtraditional): Document it.
13577 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13579 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13580 * rs6000.md: Only access a CONST_INT with INTVAL
13582 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13584 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13585 (compute_nearerout): Likewise.
13586 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13587 size_t to unsigned long for formatting.
13589 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13591 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13592 Allow the user to override call-used/fixed state of %g2-5
13593 registers from the command line (with the exception of %g4 for
13595 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13596 there is a higher chance of having a leaf function.
13597 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13598 for ARCH64 which has %ccr register.
13599 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13601 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13602 insn accept into delay slot any insn which does not use %[ol]
13603 registers. Accept some LO_SUM and shift left by 1 for the normal
13605 (output_function_epilogue): Likewise.
13606 (epilogue_renumber): Added argument which inhibits any renumbering
13607 and just tests if the rtx does not use any %[ol] registers.
13608 (output_return): Reflect above change.
13610 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13612 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13613 aggregate passing for sizes <= 16 bytes.
13615 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13617 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13618 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13619 * reload.c (find_dummy_reload): Likewise.
13620 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13621 * reload1.c (reload_as_needed): Likewise.
13622 * stupid.c (stupid_find_reg): Likewise.
13623 * tm.texi (Obsolete Register Macros): Delete section.
13624 * gmicro.h: Remove all traces of the two macros.
13625 * i386.h: Likewise.
13626 * m88k.h: Likewise.
13627 * mips.h: Likewise.
13629 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13631 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13632 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13633 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13634 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13635 units for the sparclite86x chip.
13636 (flush): Revert October 14th change; add SImode specifically.
13637 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13638 * invoke.texi: Document it.
13640 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13642 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13643 psimode_truncation_operand.
13645 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13646 function. Return true if the operand is either a MEM valid
13647 for a PSImode address or not a MEM at all.
13649 * config/mn10200/mn10200.md (truncsipsi2): Use
13650 psimode_truncation_operand.
13652 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13654 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13655 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13656 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13657 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13658 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13659 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13660 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13661 * basic-block.h: Protect from multiple inclusion.
13662 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13663 (struct loops, struct loop): Define structures.
13664 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13665 * sbitmap.h: Protect from multiple inclusion.
13666 (sbitmap_a_subset_b_p): Add prototype.
13667 * Makefile.in (LOOP_H): New macro.
13668 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13670 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13672 * cppinit.c (CAT): The argument list of this macro may not contain
13675 1999-11-29 David S. Miller <davem@redhat.com>
13677 Move quantity tables and register equivalence chains into
13678 per-qty and per-register structure arrays respectively.
13679 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13680 qty_const_insn, qty_comparison_code, qty_comparison_const,
13681 qty_comparison_qty): Delete, replace with...
13682 (qty_table): this structure table.
13683 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13684 (reg_eqv_table): this structure table.
13685 (make_new_qty): Add argument MODE. Caller updated.
13686 Update to use qty_table and reg_eqv_table.
13687 (make_regs_eqv, delete_reg_equiv, insert_regs,
13688 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13689 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13690 cse_process_notes, cse_main, cse_basic_block): Likewise.
13692 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13694 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13695 operation if C is negative.
13696 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13697 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13698 law for some divisions if constant is negative and change other
13699 divisions to the opposite rounding.
13701 * expr.c (store_constructor_field): If bit position is not multiple
13702 of alignment of TARGET's mode, use BLKmode.
13704 * expr.c (expand_expr_unaligned): Add more code from full case
13705 that is needed when OP0 is in a register.
13707 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13709 * dwarfout.c (field_byte_offset): Size can be zero if there was
13712 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13714 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13715 (associate_trees): Delete unused var TEM.
13716 (extract_muldiv): Delete unused var CANCEL_P.
13718 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13719 (target_isinf, target_isnan, target_negative): Add return types to
13720 function definitions.
13722 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13724 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13725 * fixinc/hackshell.tpl: ditto
13726 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13727 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13729 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13731 * reload.c (push_reload): When looking for a register to put into
13732 reg_rtx, make sure all hard regs in a multi-reg register are in the
13733 right class and nonfixed.
13735 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13736 pending_read_insns, pending_write_insns, pending_read_mems,
13737 pending_write_mems, pending_list_length, last_pending_memory_flush,
13738 last_function_call, sched_before_next_call): Move static variables
13740 (bb_ prefixed versions): Replace with single array bb_deps.
13741 (struct deps): New structure.
13742 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13743 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13744 argument of type "struct deps *"; use that instead of global
13745 variables. All callers changed.
13746 (init_rgn_data_dependencies): Delete function.
13747 (init_rtx_vector): Delete function.
13748 (init_deps): New function.
13750 (free_pending_lists): Simplify, we always use the bb_deps array even
13751 if only one basic block.
13752 (compute_block_backward_dependences): Likewise.
13753 (schedule_region): Likewise.
13755 (propagate_deps): New function, broken out of
13756 compute_block_backward_dependences.
13757 (compute_block_backward_dependences): Use it.
13759 * alpha.md: Delete useless patterns that tried to work around
13760 register elimination problems.
13762 * unroll.c (loop_iterations): Don't abort if iteration variable
13765 From Joern Rennecke:
13766 * reload1.c (reloads_conflict): Reverse test comparing operand
13767 numbers when testing for conflict between output/outaddr reloads.
13769 1999-11-29 David S. Miller <davem@redhat.com>
13771 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13773 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13775 1999-11-28 Robert Lipe <robertl@cygnus.com>
13777 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13778 table from .fini into .dtor.
13780 1999-11-28 Anthony Green <green@cygnus.com>
13782 * tree.h (struct tree_decl): Add malloc_flag.
13783 (DECL_IS_MALLOC): Define.
13784 * c-common.c (attrs): Add A_MALLOC attribute.
13785 (init_attributes): Add this attribute to the table.
13786 (decl_attributes): Handle malloc attribute.
13787 * calls.c (special_function_p): Check for the malloc attribute.
13788 * extend.texi (Function Attributes): Document malloc attribute.
13790 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13792 * pa.md (reload shift-add patterns): Remove.
13794 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13796 * reorg.c (dbr_schedule) Print more statistics. Corrected
13797 problem when printing info when 3 delay slots are filled.
13799 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13801 * combine.c (setup_incoming_promotions): Pass an outgoing
13802 regno to FUNCTION_ARG_REGNO_P which it expects.
13804 1999-11-28 Andreas Jaeger <aj@suse.de>
13806 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13808 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13810 * cccp.c (do_include): Avoid initialization of automatic variable.
13812 * integrate.c (mark_stores): Function definition made void, to match
13813 previous declaration.
13814 * regclass.c (dump_regclass): Ditto.
13815 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13817 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13819 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13820 known to be multiple of divisor.
13822 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13824 * combine.c (try_combine): Add code to try to merge a set of a
13825 two-word pseudo to a constant with a setting of one of those words
13828 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13829 (split_tree): Completely rework to make more general.
13830 (make_range, fold): Call negate_expr.
13831 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13832 (fold, associate): Call new split_tree and associate_trees.
13833 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13835 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13837 * loop.c (try_copy_prop): Avoid GNU C extension.
13839 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13841 * except.c (init_eh_for_function): Still zero eh_return_context,
13842 eh_return_stack_adjust, and eh_return_handler.
13844 * except.h (eh_status): Adjust documentation for x_protect_list.
13845 (begin_protect_partials): New function.
13846 * except.c (enqueue_eh_entry): Fix formatting.
13847 (get_first_handler): Add consistency check.
13848 (add_partial_entry): Adjust usage of protect_list.
13849 (emit_cleanup_handler): Save and restore ehqueue.
13850 (expand_start_all_catch): Add comment.
13851 (begin_protect_partials): New function.
13852 (end_protect_partials): Adjust usage of protect_list.
13853 (init_eh_for_function): Use xcalloc.
13855 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13857 * c-common.c (check_format_info): Don't call a variadic function
13858 with a non-literal format string.
13860 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13862 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13863 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13866 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13869 * collect2.c (collect_wait): Likewise.
13871 * dbxout.c (dbxout_type): Likewise.
13873 * gcc.c (do_spec_1): Likewise.
13875 * genemit.c (gen_insn, gen_expand): Likewise.
13877 * genrecog.c (write_switch, write_subroutine): Likewise.
13879 * mips-tfile.c (catch_signal, botch): Likewise.
13881 * print-rtl.c (print_rtx): Likewise.
13883 * toplev.c (default_print_error_function, report_error_function,
13884 _fatal_insn): Likewise.
13886 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13888 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13890 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13892 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13893 operations when needed.
13894 * i386.md (fop_?f_comm): New.
13895 (fop_?f_1): Do not accept commutative operands.
13897 1999-11-25 Andreas Jaeger <aj@suse.de>
13899 * config/mips/mips.md (casesi_internal): Add missing brace.
13901 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13903 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13904 (splice_child_die): Handle moving a child DIE from the declaration
13905 DIE of a class to its specification.
13906 (gen_struct_or_union_type_die): Use 'complete' consistently.
13907 (gen_decl_die): Generate the virtual context DIE first.
13908 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13910 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13912 * config/mips/mips.md (call_value_multiple_interanal1): New.
13914 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13916 * dwarf2out.c (free_AT, free_die): New fns.
13917 (remove_children): Call them.
13918 (output_line_info): Disable removal of duplicate notes.
13920 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13921 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13922 means pretend the type isn't defined.
13923 Don't defer emitting types.
13924 (gen_type_die_for_member): New fn.
13925 (gen_decl_die): Call it.
13926 (splice_child_die): New fn.
13927 (gen_member_die): Call it rather than generate duplicate dies.
13929 Defer emitting information for the abstract instance of an inline
13930 until we either inline it or emit an out-of-line copy.
13931 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13932 from output_inline_function if DECL_ABSTRACT is also set.
13933 (block_ultimate_origin): Likewise.
13934 (gen_abstract_function): New fn.
13935 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13936 (gen_subprogram_die): An abstract instance is not a declaration
13937 just because it doesn't match current_function_decl. Don't abort
13938 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13939 has an abstract origin.
13940 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13941 abstract instance here.
13943 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13945 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13946 where we need to reload fpul from a system register.
13948 1999-11-24 Andreas Jaeger <aj@suse.de>
13950 * config/mips/linux.h (CPP_PREDEFINES): Added.
13951 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13953 1999-11-24 Andreas Jaeger <aj@suse.de>
13955 * config/mips/linux.h (TARGET_VERSION): Added.
13956 (HANDLE_SYSV_PRAGMA): Added.
13957 (DEFAULT_VTABLE_THUNKS): Added.
13959 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13961 * local-alloc.c (qty): New structure and static variable.
13962 (qty_phys_reg): Remove, all references changed to qty.
13963 (qty_n_refs): Likewise.
13964 (qty_min_class): Likewise.
13965 (qty_birth): Likewise.
13966 (qty_death): Likewise.
13967 (qty_size): Likewise.
13968 (qty_mode): Likewise.
13969 (qty_n_calls_crossed): Likewise.
13970 (qty_alternate_class): Likewise.
13971 (qty_changes_size): Likewise.
13972 (qty_first_reg): Likewise.
13973 (alloc_qty): Rename variable QTY to QTYNO.
13974 (finf_free_reg): Likewise.
13975 (local_alloc): Allocate qty, do not allocate the removed variables.
13977 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13979 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13980 when -membedded-pic is passed.
13982 * config/mips/mips.md (casesi): Handle 64-bit case too.
13983 (casesi_internal_di): New insn.
13985 * config/mips/mips.c (embedded_pic_offset): Always make the
13986 embedded-pic subtractions relative to the name of the current
13987 function by use of the magic string "..CURRENT_FUNCTION".
13988 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13990 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13992 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13993 of (const_int 0), when what we really care about is
13994 whether it's a zero constant anyway.
13995 (div_trap_mips16): Likewise.
13997 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13999 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14000 unroll_block_trees when generating debuggable code.
14002 * tree.h (unsave_expr_1): New function.
14003 (lang_unsave): New variable.
14004 (get_callee_fndecl): New function.
14005 * tree.c (unsave_expr_now_r): New function.
14006 (lang_unsave): Define.
14007 (unsave_expr_1): Likewise.
14008 (unsave_expr_now_r): Split out from unsave_expr_now.
14009 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14010 call unsave_expr_now_r.
14011 (get_callee_fndecl): Define.
14013 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14014 (gencheck.o): Do depend on lang_tree_files.
14016 * integrate.h (copy_decl_for_inlining): New declaration.
14017 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14018 (copy_decl_for_inlining): New function.
14019 (integrate_parm_decls): Use it.
14020 (integrate_decl_tree): Likewise.
14022 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14024 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14025 the second two from the first.
14026 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14027 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14028 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14030 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14031 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14034 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14036 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14037 needed on the address operand.
14038 * pa.c (call_operand_address): Check for the correct mode.
14040 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14042 * loop.c: Include "basic-block.h".
14043 (try_copy_prop, replace_loop_reg): New functions.
14044 (load_mems): Detect registers that just hold copies of the hoisted
14045 mem, and call try_copy_prop to eliminate them.
14046 * Makefile.in (loop.o): Update dependencies.
14048 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14050 * Makefile.in (gencheck.o): Depend on gencheck.h.
14051 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14052 (insn-peep.o): Depend on except.h and function.h.
14053 (insn-attrtab.o): Depend on RECOG_H.
14054 (insn-output.o): Depend on toplev.h and flags.h.
14055 (gengenrtl.o): Depend on real.h.
14056 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14057 Unify all dependencies to be on RECOG_H rather than recog.h.
14059 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14061 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14062 * configure.in: Try building a bi-arch 32/64-bit compiler on
14063 sparc-*-solaris2.7 and higher.
14064 * configure: Rebuild.
14066 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14068 * config/freebsd.h: New, FreeBSD architecture independent file.
14069 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14070 independent pieces.
14071 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14072 directly by i386/freebsd.h.
14073 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14074 independent configuration file.
14075 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14076 directly by i386/freebsd.h.
14077 * configure: Rebuilt.
14079 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14080 which is in the user's namespace.
14081 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14082 `i386' which is not in our namespace.
14084 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14086 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14088 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14090 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14091 (add_dwarf_attr, add_child_die): Just push onto the front.
14092 (reverse_die_lists): New fn.
14093 (add_sibling_attributes): Use it.
14094 (push_decl_scope): Reorganize.
14095 (add_name_and_src_coords_attributes): Don't set file and line for
14096 an artificial decl.
14097 (gen_subprogram_die): An artificial function doesn't need to match
14099 (gen_compile_unit_die): Return the generated die. Only add
14100 AT_comp_dir if the filename is relative.
14101 (remove_AT): Simplify loop. Also free string values.
14102 (output_die): A DIE ref can't be null.
14103 (output_value_format, value_format): Take a dw_attr_ref.
14104 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14105 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14106 AT_addr, AT_lbl): New fns.
14107 (various): Use them.
14108 (various): Constify.
14110 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14112 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14113 take SUBREG_WORD into account.
14114 (if_then_else_cond): Likewise.
14116 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14118 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14119 clause from BSD license, pursuant with
14121 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14123 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14125 * loop.c (load_mems): Reformat slightly.
14126 * basic-block.h (regset_head): New typedef.
14127 (INIT_REG_SET): New macro.
14129 1999-11-22 Bruce Korb <autogen@linuxbox.com
14131 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14132 (mips-dec-bsd*): non-functional code
14133 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14135 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14136 added three replacement fixes
14137 (no_double_slash): removed comments that are not (any longer) pertinent
14138 (bad_lval): this fix currently runs against many files.
14139 The comment seems to indicate that we should select for files
14140 containing 'pragma extern_prefix'.
14142 * fixinc/fixinc.x86-linux-gnu: deleted
14143 * fixinc/inclhack.sh: regen
14144 * fixinc/fixincl.x: regen
14145 * fixinc/fixincl.sh: regen
14147 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14149 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14150 its code is INSN and it has no notes.
14152 1999-11-22 Andrew Haley <aph@cygnus.com>
14154 * varasm.c (function_defined): Remove.
14155 (make_function_rtl): Don't set function_defined.
14156 (make_decl_rtl): Remove global register warning.
14157 * regclass.c (no_global_reg_vars): New variable.
14158 (globalize_reg): Warn if function has already been defined.
14159 (regclass_init): Set no_global_reg_vars.
14161 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14163 * regclass.c (reg_pref): New structure and static variable
14164 (prefclass): Delete.
14165 (altclass): Delete.
14166 (all uses of prefclass and altclass): Use reg_pref instead.
14168 1999-11-21 Nick Clifton <nickc@cygnus.com>
14170 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14172 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14173 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14174 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14176 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14178 * varasm.c (output_constructor): Solve problem with long long
14179 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14181 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14183 * global.c (allocno): New structure and static variable.
14184 (allocno_reg): Remove, all references replaced by allocno.
14185 (allocno_size): Likewise.
14186 (hard_reg_conflicts): Likewise.
14187 (hard_reg_preferences): Likewise.
14188 (hard_reg_copy_preferences): Likewise.
14189 (hard_reg_full_preferences): Likewise.
14190 (regs_someone_prefers): Likewise.
14191 (allocno_calls_crossed): Likewise.
14192 (allocno_n_refs): Likewise.
14193 (allocno_live_length): Likewise.
14194 (find_reg): Rename ALLOCNO to NUM.
14196 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14197 references updated.
14198 (may_move_out_cost): New variable.
14199 (init_reg_sets_1): Initialize may_move_out_cost.
14200 (record_reg_classes): Use may_move_out_cost.
14202 * regclass.c (dump_regclass): New function.
14203 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14204 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14205 pass rtl_dump_file to regclass.
14206 * rtl.h (regclass): Update prototype.
14208 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14210 * i386.md (neg, not and abs patterns): Revmap to use
14211 ix86_expand_unary_operator and ix86_unary_operator_ok.
14212 (add?f and sub?f expanders): Force operand 1 to register.
14213 * i386.c (ix86_expand_unary_operator): Rewrite.
14214 (ix86_unary_operator_ok): Ensure that memory operands
14216 (ix86_binary_operator_ok): Do not allow operand 1 to
14217 come into memory and operand 0 not.
14218 (ix86_expand_binary_operator): Ensure that
14219 src1 is not non-matching memory.
14221 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14222 to support integer registers and memory.
14223 (abss?2_integer): Likewise.
14225 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14226 (REG_CLASS_NAMES): Likewise.
14227 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14229 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14230 (movsf): Likewise; unify 4th and 5th alternative.
14231 (pushdf): Likewise.
14232 (movdf_1): Likewise; rename to movdf_integer.
14233 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14234 remove redundant splitter.
14235 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14236 (movdf_nointeger): New.
14237 (movxf_nointeger): New.
14238 (pushxf_nointeger): New.
14240 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14241 memory operands in patterns.
14242 (fop*): Refuse two memory operands.
14244 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14245 on !TARGET_USE_CLTD CPUs.
14247 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14249 * extend.texi: Document C++ restricted pointers and references.
14251 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14253 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14254 (invalidate_skipped_set): Call it unconditionally.
14255 (cse_set_around_loop): Likewise.
14257 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14259 * rtl.texi (mem): Add documentation for alias-set argument
14262 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14264 * i386.h (struct_processor_costs): New fields int_load, int_store,
14265 fp_move, fp_load and fp_store
14266 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14268 (MEMORY_MOVE_COST): New macro.
14269 * i386.c (386_cost): Define new fields.
14270 (i486_cost): Likewise.
14271 (pentium_cost): Likewise.
14272 (pentiumpro_cost): Likewise.
14273 (k6_cost): Likewise.
14275 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14276 Geoffrey Keating <geoffk@cygnus.com>
14278 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14280 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14283 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14284 (TARGET_STRICT_ALIGNMENT): New macro.
14285 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14286 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14287 * invoke.texi (M680x0 Options): Document -mstrict-align.
14289 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14290 Richard Henderson <rth@cygnus.com>
14292 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14293 (ix86_split_long_move): Declare.
14294 * i386.c (split_xf, ix86_split_movdi): Remove.
14295 (ix86_split_to_parts, ix86_split_long_move): New.
14296 * i386.md (dimode move splitters): Use ix86_split_long_move.
14297 (dfmode move splitters): Likewise.
14298 (xfmode move splitters): Likewise.
14299 (movsf_1): Allow F->r.
14300 (movdf_1, movxf_1): Allow F->ro.
14302 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14304 * except.h (struct eh_entry): Add goto_entry_p.
14305 (eh_region_from_symbol): Remove prototype.
14306 * except.c (find_func_region_from_symbol): New function.
14307 (emit_cleanup_handler): Likewise.
14308 (eh_region_from_symbol): Make it static.
14309 (add_new_handler): Verify the argument.
14310 (find_func_region): Update comment.
14311 (expand_eh_region_end): Expand handlers here, rater than waiting
14312 until expand_leftover_cleanups or start_all_catch.
14313 (expand_leftover_cleanups): Don't expand here.
14314 (expand_start_all_catch): Or here.
14315 (expand_rethrow): Check the return value from find_func_region.
14316 * function.c (expand_function_end): Emit the catch_clauses.
14318 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14320 * integrate.c (expand_inline_function): Add necessary check for NULL.
14322 1999-11-18 Nick Clifton <nickc@cygnus.com>
14324 * toplev.c (main): Correctly detect an unrecognised option.
14326 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14327 a -f option if it has not been recognised.
14329 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14331 * basic-block.h (update_life_extent): Remove trailing comma on
14332 enumeration type list.
14334 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14336 * varasm.c (output_constructor) Solved problem with long long
14337 bitfields. Corrected calculating this_time and shift. Also
14338 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14340 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14342 * flow.c (split_edge): Take looping structure into account when
14343 determining where to put the new block note.
14345 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14347 * Makefile.in (ggc-none.o): Provide host specific version if
14350 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14352 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14353 containing subregs too.
14355 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14357 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14358 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14359 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14360 (text_section): Add switches -munint-const-in-rodata and
14361 -mno-uninit-const-in-rodata.
14362 (ASM_OUTPUT_COMMON): Remove.
14363 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14364 const objects should be placed in read-only data. Otherwise declare
14367 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14369 * jump.c (jump_optimize_1): Revert last change.
14371 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14373 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14374 test if optimizing for size.
14376 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14378 * Makefile.in (toplev.o): Depend on except.h.
14379 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14381 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14383 * i386.md (divmodsi4): Rewrite to expander.
14384 (*divmodsi4_nocltd): New.
14385 (*divmodsi4_cltd): New.
14386 (divmodsi4 splitter): Handle the case when input comes in edx.
14387 (udivmodhi4): Do not use constraints in exander.
14388 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14390 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14392 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14393 for the common case.
14395 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14397 * explow.c (hard_function_value): Add outgoing argument.
14398 * expr.h (hard_function_value): Declare it.
14399 * calls.c (expand_call, emit_library_call_value): Update callers.
14400 * function.c (aggregate_value_p): Ditto.
14401 (diddle_return_value): Must look at the outgoing registers
14402 on archs with register windows.
14404 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14406 * alpha.c (alpha_build_va_list): Use make_lang_type and
14407 initialize TYPE_NAME for the va_list record.
14409 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14411 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14413 * ggc.h (struct ggc_statistics): Rearrange elements for better
14414 packing on 64-bit hosts.
14415 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14416 (compute_nearerout): Likewise.
14418 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14420 * config/rs6000/rs6000.c (first_reg_to_save): Save
14421 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14423 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14425 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14426 notion of nesting to find the DIE for a type or function.
14427 DIEs can go in limbo even if we got a context_die.
14428 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14429 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14431 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14432 (gen_type_die): Writing out the context doesn't cause member class
14433 template instantiations to be written out as well.
14435 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14437 * rs6000.h (ASM_OUTPUT_DEF): New.
14438 Based on proposed addition from David Edelsohn.
14440 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14441 Bruce Korb <autogen@linuxbox.com>
14443 * fixinc/inclhack.def
14444 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14445 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14447 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14448 (svr4_endian): enabled with SVR5
14449 (svr4_mkdev): simplified syntax and enabled with SVR5
14451 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14453 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14454 * configure: Rebuilt.
14455 * config/t-freebsd-thread: New file.
14457 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14459 * i386.c (ix86_decompose_address): Verify the base is a REG
14460 before trying to examine its register number.
14462 * basic-block.h: Remove all #defines and prototypes related to
14464 (free_bb_mem, compute_preds_succs): Remove prototype.
14465 * rtl.h (free_bb_mem): Remove prototype.
14466 * flow.c (alloc_int_list_node); Remove function.
14467 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14468 (compute_preds_succs, free_bb_mem): Likewise.
14469 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14470 * toplev.c (rest_of_compilation): Likewise.
14471 * haifa-sched.c (build_control_flow): Use flow generated edge
14472 list to build the haifa specific edge list.
14473 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14474 (schedule_insns): Do not build pred/succ lists anymore. Instead
14475 build the edge table.
14477 * basic-block.h (dump_bb_data): Remove declaration.
14478 * flow.c (dump_bb_data): Remove function.
14479 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14480 (sbitmap_union_of_predsucc): Likewise.
14482 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14483 argument. All callers changed.
14484 (delete_null_pointer_checks_1): No longer need to compute the
14487 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14488 All callers changed.
14489 (pre_expr_reaches_here_p_work): Likewise.
14490 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14491 * lcm.c (compute_laterin): Fix initialization of LATER.
14492 (compute_nearerout): Similarly for NEARER.
14494 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14496 * cse.c (set_nonvarying_address_components): Delete unused function.
14497 (refers_to_p): Likewise.
14499 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14501 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14504 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14506 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14507 definition in do while (0).
14509 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14511 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14513 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14515 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14517 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14519 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14520 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14521 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14522 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14524 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14525 saved on the stack. Output more accurate stack frame statistics
14526 into assembler file.
14528 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14530 * genextract.c (record_insn_name): New function.
14531 (get_insn_name): No longer a stub.
14532 (main): Call record_insn_name for each insn. After each label
14533 written, print the insn name in a comment.
14535 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14537 * output.h (const_section, init_section, fini_section): Add
14540 * alpha/elf.h (const_section): Delete declaration.
14542 * svr4.h (const_section): Likewise.
14544 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14546 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14547 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14548 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14550 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14551 variable-sized array bounds.
14553 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14555 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14558 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14560 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14561 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14563 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14565 * cse.c (hash_arg_in_struct): Delete.
14566 (struct table_elt): Delete elt in_struct.
14567 (struct set): Delete elt src_in_struct.
14568 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14569 the corresponding in_struct elts.
14570 (canon_hash): Likewise.
14571 (safe_hash): Likewise.
14572 (find_best_addr): Likewise.
14573 (record_jump_cond): Likewise.
14574 (cse_insn): Likewise.
14576 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14578 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14580 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14583 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14585 * function.c (diddle_return_value): Put back check that the DECL_RTL
14586 for the function is a register.
14588 * function.c (diddle_return_value): Use hard_function_value to
14589 get an rtx suitable for use in the USE/CLOBBER insn.
14591 * global.c (global_conflicts): Update comments.
14592 (record_conflicts): No need to record conflicts between pseudos here.
14594 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14596 * fixinc/fixincl.c: Added verbose levels for status messages
14598 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14600 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14601 operand as argument to expand_and or expand_binop.
14603 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14605 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14606 gcc_add_string_root.
14608 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14610 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14612 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14614 * flow.c (compute_flow_dominators): Initially put all blocks on
14616 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14617 * gcse.c (compute_cprop_avinout): Remove.
14618 (compute_cprop_data): Use compute_available.
14619 (delete_null_pointer_checks_1): Use compute_available.
14621 * basic-block.h (compute_available): Returns a void now.
14622 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14623 to return a value anymore.
14624 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14625 worklists. Fix boundary cases. Compute maximal solutions.
14626 (compute_laterin, compute_nearerout): Similarly.
14628 * dwarf2out.c (add_AT_location_description): Allow
14629 (mem (plus (pseudo) (...)) too.
14631 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14633 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14635 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14636 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14638 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14640 * gansidecl.h: Likewise.
14646 * toplev.h: Likewise.
14648 * tree.c: Likewise.
14650 * tree.h: Likewise.
14652 * varray.c: Likewise.
14654 * varray.h: Likewise.
14656 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14658 * gcov.c (struct arcdata): Add hits and total, remove prob.
14659 (output_branch_counts): New.
14660 (process_args): Set output_branch_counts if -c.
14661 (calculate_branch_probs): Store hits and total instead of
14663 (output_data): Emit counts if output_branch_counts is true.
14664 * gcov.texi (Invoking Gcov): Document -c switch..
14666 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14668 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14669 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14671 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14673 * invoke.texi (C Dialect Options): Add missing builtins from
14674 c-common.c to list.
14675 * extend.texi (Other Builtins): Copy to this list.
14677 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14679 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14680 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14681 redundant bitmap.h.
14683 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14685 * flow.c (compute_flow_dominators): No longer treat basic block 0
14686 or (n_basic_blocks - 1) specially. Clear the AUX field before
14687 starting computation of doms/pdoms. Fix initial state for pdoms.
14689 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14691 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14692 match rtl.o's: added ggc.h and toplev.h
14693 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14694 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14695 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14697 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14699 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14700 from HAVE_DOS_BASED_FILESYSTEM.
14701 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14702 HAVE_DOS_BASED_FILESYSTEM.
14704 (split_directories): Only special-case DOS file names if
14705 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14706 instead of explicit tests. Conditionalize on !VMS.
14707 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14708 tests. Conditionalize on !VMS.
14709 (process_command): Only use make_relative_prefix if !VMS.
14710 (free_split_directories): Conditionalize on !VMS.
14711 (DIR_UP): Conditionalize on !VMS.
14713 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14715 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14717 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14719 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14722 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14724 * invoke.texi (Environment Variables): Document relative path
14726 * gcc.c (DIR_UP): If not defined, define as "..".
14727 (standard_bindir_prefix): New static, holds target location to
14729 (split_directories): New function to split a filename into
14730 component directories.
14731 (free_split_directories): New function, release memory allocated
14732 by split_directories.
14733 (make_relative_prefix): New function, make a relative pathname if
14734 the compiler is not in the expected location.
14735 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14736 can figure out an appropriate prefix from argv[0].
14737 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14738 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14739 STANDARD_BINDIR_PREFIX.
14741 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14743 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14745 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14746 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14747 c4x_secondary_memory_needed) Delete.
14748 (fp_zero_operand): Add mode argument.
14750 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14752 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14753 that is in reload_reg_used.
14755 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14757 * config/arm/arm-protos.h: New file: Prototypes for functions
14758 defined in arm.c and pe.c.
14759 * config/arm/arm.h: Fix compile time warnings.
14760 * config/arm/arm.c: Fix compile time warnings.
14761 * config/arm/pe.h: Fix compile time warnings.
14762 * config/arm/aout.h: Fix compile time warnings.
14764 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14766 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14769 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14770 Add support for subtargets.
14771 Add prototypes for new predicates.
14772 Add scheduling macros.
14774 * config/m32r/m32r.c: Fix compile time warnings.
14775 (int8_operand): New predicate function.
14776 (reg_or_cmp_int16_operand): New predicate function.
14777 (extend_operand): New predicate function.
14778 (m32r_adjust_code): New scheduling function.
14779 (m32r_adjust_priorty): New scheduling function.
14780 (m32r_sched_init): New scheduling function.
14781 (m32r_sched_reorder): New scheduling function.
14782 (m32r_sched_variable_issue): New scheduling function.
14783 (direct_return): New codegen function.
14784 (m32r_not_same_reg): New rtl testsing function.
14786 * config/m32r/m32r.md: Fix compile time warnings.
14787 Add support for pre decrement and post increment memory
14789 Add S<cc> patterns.
14792 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14794 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14795 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14796 (find_reg): Likewise.
14798 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14800 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14801 to avoid assembler errors.
14803 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14805 * config/v850/v850-protos.h: New file: Prototypes for functions
14807 * config/v850/v850.h: Move prototypes to v850-protos.h
14808 * config/v850/v850.c: Move prototypes to v850-protos.h
14809 * config/v850/v850.md: Fix compile time warnings.
14811 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14813 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14814 * config/fr30/fr30.c: Fix compile time warnings.
14815 * config/fr30/fr30.md: Fix compile time warnings.
14817 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14819 * tree.h (get_containing_scope): Declare it.
14820 * tree.c (get_containing_scope): New fucntion.
14821 (decl_function_context): Use it.
14822 * toplev.c (rest_of_compilation): Use get_containing_scope.
14824 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14826 * Makefile.in (rtl.o): Depend on toplev.h.
14828 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14830 * cse.c (delete_trivially_dead_insns): Replace alloca with
14832 * except.c (update_rethrow_references): Likewise.
14833 (init_eh_nesting_info): Likewise.
14834 * function.c (identify_blocks): Likewise.
14835 * gcse.c (dump_hash_table): Likewise.
14836 * graph.c (print_rtl_graph_with_bb): Likewise.
14837 * loop.c (combine_movables): Likewise.
14838 (move_movables): Likewise.
14839 (count_loop_regs_set): Likewise.
14840 (strength_reduce): Likewise.
14841 * profile.c (compute_branch_probabilities): New function, split
14843 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14844 * regclass.c (regclass): Likewise.
14845 * regmove.c (regmove_optimize): Likewise.
14846 * toplev.c (compile_file): Likewise.
14847 (main): Don't mess with the stack rlimit.
14849 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14851 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14852 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14854 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14856 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14858 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14860 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14861 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14864 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14866 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14868 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14870 * gcse.c (post_dominators): Kill.
14871 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14872 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14873 pass in a pdom array since we do not need pdoms.
14874 * haifa-sched.c (schedule_insns): Similarly.
14875 * flow.c (compute_dominators): Remove dead function.
14876 (compute_flow_dominators): Do not compute doms or pdoms if the
14877 caller does not request them. Split up loop to build doms and
14878 pdoms. Use a worklist to compute doms and pdoms.
14879 * basic-block.h (compute_dominators): Remove prototype.
14881 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14883 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14884 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14885 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14886 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14887 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14888 (schedule_region): Remove unused variable.
14889 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14891 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14893 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14894 (update_equiv_regs): Likewise.
14895 (block_alloc): Likewise.
14896 * reg-stack.c (reg_to_stack): Likewise.
14897 (convert_regs_2): Likewise.
14898 * reload1.c (reload_as_needed): Likewise.
14900 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14902 * Makefile.in (dbxout.o): Depend on ggc.h.
14903 (dwarf2out.o): Likewise.
14904 (xcoffout.o): Likewise.
14905 * dbxout.c: Include ggc.h.
14906 (dbxout_init): Register lastfile as a root.
14907 * dwarf2out.c: Include ggc.h.
14908 (dwarf2out_line): Register lastfile as a root.
14909 * xcoffout.c: Include ggc.h.
14910 (xcoffout_source_line): Register xcoff_lastfile as a root.
14912 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14914 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14916 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14918 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14920 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14922 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14924 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14925 (EXECUTE_IF_CONFLICT): Likewise.
14926 (ALLOCNO_LIVE_P): Avoid signed division.
14927 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14928 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14929 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14931 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14933 * haifa-sched.c (schedule_block): Don't crash if there's no
14934 next insn for an interblock movement.
14935 (add_branch_dependences): Don't allow clobber insns to move either.
14937 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14939 * i386.c (split_xf): New.
14940 * i386-protos.h: Declare it.
14941 * i386.md (movxf_1): Add general regs alternatives.
14942 (movxf_1+1): New splitter for same.
14944 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14946 * function.c (purge_addressof_1): Add missing return values.
14948 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14950 * function.c (is_addressof): New function. Returns true if
14951 the given piece of RTL is an ADDRESSOF.
14952 (purge_addressof_1): Make boolean. Return false if the
14953 ADDRESSOFs could not be purged.
14954 (purge_addressof): If ADDRESSOFs could not be purged from the
14955 notes attached to an insn, remove the offending note(s),
14956 unless they are attached to a libcall.
14958 1999-11-05 Andreas Jaeger <aj@suse.de>
14960 * genoutput.c (null_operand =): Initialize all fields.
14962 * errors.h: Add extern to prototypes.
14964 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14966 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14967 * configure: Rebuilt.
14969 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14971 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14972 (mirror_conflicts): New function.
14973 (global_alloc): Call it.
14974 (expand_preferences): Remove redundant CONFLICTP test.
14975 (find_reg, dump_conflicts): Likewise.
14976 (prune_preferences): Process conflicts one word at a time.
14978 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14980 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14981 instead of an explicit loop.
14983 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14985 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14986 if REG_RETVAL check succeeds, then put classp in src_elt.
14988 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14990 * function.c (pad_to_arg_alignment): Only update argument_pad
14991 if the argument's alignment is greater than STACK_BOUNDARY.
14993 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14995 * bitmap.h (BITMAP_XFREE): New.
14996 * flow.c (life_analysis): Use it.
14997 (life_analysis_1): Free blocks.
14999 * combine.c (undo_commit): New.
15000 (try_combine): Use it. Don't zap undobuf.undos.
15001 (combine_instructions): Don't zap undobuf.undos; free the
15002 undobuf.frees list.
15004 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15006 * stmt.c (cost_table_): New.
15007 (estimate_case_costs): Use it instead of xmalloc.
15009 * toplev.c (compile_file): Reuse dumpname memory instead
15012 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15014 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15015 after verifying an EH edge.
15017 * haifa-sched.c (init_rgn_data_dependences): Correctly
15018 size bb_pending_lists_length when zeroing.
15020 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15022 * function.c (diddle_return_value): New.
15023 (expand_function_end): Use it.
15024 * stmt.c (expand_null_return): Likewise.
15025 (expand_value_return): Likewise.
15027 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15029 * reload1.c (reload): Don't remove return value clobbers.
15031 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15033 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15035 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15037 * cse.c (cse_main): Use xmalloc, not alloca.
15038 (cse_basic_block): Likewise.
15039 * local-alloc.c (local_alloc): Likewise.
15041 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15042 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15044 * rtl.c: Include toplev.h.
15045 (fatal): Remove declaration.
15047 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15049 * haifa-sched.c (schedule_block): Fix thinko.
15051 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15053 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15054 S_IR* defined values
15056 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15058 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15059 call `malloc' instead.
15061 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15063 * flags.h (flag_renumber_insns): Declare.
15064 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15066 * rtl.h (renumber_insns): Change prototype.
15067 * toplev.c (flag_renumber_insns): Define.
15068 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15070 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15072 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15073 and fpsqrtd. Use them and create fdiv function unit to more
15074 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15075 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15077 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15079 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15081 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15082 insn into ready list, do not use just a raw swap.
15084 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15086 * rtl.h (renumber_insns): New function.
15087 (remove_unnecessary_notes): Likewise.
15088 * emit-rtl.c (renumber_insns): Define.
15089 (remove_unncessary_notes): Likewise.
15090 * toplev.c (rest_of_compilation): Remove dead code.
15091 Use renumber_insns and remove_unncessary_notes.
15093 * gcse.c (struct null_pointer_info): New type.
15094 (get_bitmap_width): New function.
15095 (current_block): Remove.
15096 (nonnull_local): Likewise.
15097 (nonnull_killed): Likewise.
15098 (invalidate_nonnull_info): Take a null_pointer_info as input.
15099 (delete_null_pointer_checks_1): New function.
15100 (delete_null_pointer_checks): Use it.
15102 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15103 (split_edges): Likewise.
15104 (schedule_block): Likewise.
15105 (compute_block_backward_dependencies): Likewise.
15106 (schedule_region): Likewise.
15107 (schedule_insns): Likewise.
15109 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15111 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15112 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15113 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15114 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15115 * jump.c (delete_unreferenced_labels): Don't delete if
15116 LABEL_ALTERNATE_NAME is set.
15117 * print-rtl.c (print_rtx): Dump alternate name.
15118 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15119 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15120 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15121 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15123 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15125 * fix-header.c (recognized_extern, recognized_function): Constify
15128 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15129 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15130 (compute_available): Remove unused variable `last'.
15131 (compute_nearerout): Remove unused variable `temp_bitmap'.
15132 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15133 Remove unused variable `x'.
15135 * scan.h (recognized_function, recognized_extern): Constify a
15138 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15140 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15142 * varasm.c (decode_rtx_const): Use XSTR to access the string
15145 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15147 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15149 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15151 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15153 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15155 * pa.c (ireg_operand): New function.
15156 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15157 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15158 Fix out of date comment.
15160 * pa.md (negdi2): Turn into expander + anonymous pattern.
15162 * reload.c (find_reloads): Fix typos in recent change.
15164 * dwarf2out.c: Do not include ctype.h.
15166 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15168 * regclass.c (record_reg_classes): Always use may_move_cost when
15169 seeing how operand fits with various register classes.
15171 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15173 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15174 * toplev.c: Revert Nov 1 13:22 change.
15176 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15178 * config/pa/pa.md (height reduction patterns): Add checks for
15179 overlapping operands to avoid semantic-destroying splits for
15180 height reduction patterns.
15182 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15184 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15185 have been an hyphen, fixed.
15186 * configure: Rebuilt.
15188 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15190 * config/arm/tpe.h: Add prototypes for exported functions.
15191 * config/arm/pe.c: Fix compile time warnings.
15192 * config/arm/semi.h: Fix compile time warnings.
15193 * config/arm/arm.c: Fix compile time warnings.
15194 * config/arm/arm.h: Fix compile time warnings.
15195 * config/arm/arm.md: Fix compile time warnings.
15196 * config/arm/thumb.c: Fix compile time warnings.
15197 * config/arm/thumb.h: Fix compile time warnings.
15198 * config/arm/thumb.md: Fix compile time warnings.
15200 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15202 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15205 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15206 completely unrolled.
15208 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15210 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15212 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15214 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15215 * rtl.h (rtx_equal_p): Move prototype.
15216 * rtl.c (rtx_equal_function_value_matters): Move from
15218 (rtx_equal_p): Likewise.
15219 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15220 (rtx_equal_p): Likewise.
15222 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15224 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15225 ! HAS_INIT_SECTION.
15227 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15229 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15231 * pa.h (ADDR_VEC_ALIGN): Define.
15233 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15234 notes when presented with "if (foo) break; end_of_loop" and
15235 the break sequence gets moved out of the loop.
15237 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15238 Remove explicit zero initializations of entries within MAP.
15240 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15242 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15244 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15246 * bitmap.h (BITMAP_XMALLOC): New macro.
15247 * flow.c (CLEAN_ALLOCA): Remove.
15248 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15249 (life_analysis): Likewise.
15250 (update_life_info): Don't use CLEAN_ALLOCA.
15251 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15252 (calculate_global_regs_live): Likewise.
15253 (print_rtl_with_bb): Likewise.
15254 (verify_flow_info): Likewise.
15255 * global.c (global_alloc): Likewise.
15256 (global_conflicts): Likewise.
15257 * integrate.c (save_for_inline_nocopy): Likewise.
15258 (expand_inline_function): Likewise.
15259 * jump.c (jump_optimize_1): Likewise.
15260 (duplicate_loop_exit_test): Likewise.
15261 (thread_jumps): Likewise.
15262 * loop.c (loop_optimize): Likewise.
15263 (combine_givs): Likewise.
15264 (recombine_givs): Likewise.
15265 * reorg.c (dbr_schedule): Likewise.
15266 * unroll.c (unroll_loop): Likewise.
15268 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15270 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15272 * toplev.c (rest_of_compilation): Don't optimize the CFG
15273 when rebuilding, just before dbr.
15275 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15277 * output.h (assemble_end_function, assemble_destructor,
15278 assemble_constructor, assemble_gc_entry, assemble_global,
15279 assemble_label, output_constant_pool) Constify a char*.
15281 * varasm.c (assemble_destructor, assemble_constructor,
15282 assemble_gc_entry, assemble_end_function, assemble_global,
15283 assemble_label, output_constant_pool): Likewise.
15285 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15287 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15288 explaining what is goin on in this function.
15290 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15292 * regclass.c (record_reg_classes): In matching case, recompute
15293 costs since the direction of movement is different.
15295 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15297 * resource.c (mark_target_live_regs): For unconditional branches,
15298 the resources found at the branch target should be added to the
15299 resources found so far, not intersected.
15301 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15303 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15305 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15306 (sys/mman.h): Include this file only if #HAVE_MMAP.
15307 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15308 with automatically concatenated ANSI strings.
15310 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15312 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15313 (DIV_ROUND_UP): Robustify.
15314 (ggc_recalculate_in_use_p): New function.
15315 (release_pages): Don't inline it.
15316 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15318 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15319 (clear_marks): Always save in_use_p.
15320 (sweep_pages): Use ggc_recalculate_in_use_p.
15321 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15322 Release pages before counting statistics.
15324 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15326 * toplev.c (rest_of_compilation): Fix thinko in this change:
15328 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15330 (rest_of_compilation): If inside an inlined external function,
15331 pretend we are just being declared.
15333 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15335 * flow.c (calculate_global_regs_live): Fix thinko.
15337 * integrate.c (expand_inline_function): Fix bugs in previous
15338 change from Oct 28, 1999.
15340 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15342 * stmt.c (expand_value_return): Fix typo in this change:
15344 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15345 (expand_value_return): Correctly convert VAL when promoting function
15346 return; support RETURN_REG being a PARALLEL.
15348 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15350 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15352 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15354 * hard-reg-set.h (reg_names): Constify a char*.
15356 * regclass.c (reg_names): Likewise.
15358 * regs.h (reg_names): Likewise
15360 * a29k/a29k.c (reg_names): Delete declaration.
15362 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15364 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15365 arc_output_function_epilogue): Likewise.
15367 * elxsi/elxsi.c (reg_names): Likewise.
15369 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15371 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15374 * m88k/m88k.c (output_function_profiler): Likewise.
15376 * sparc/sparc.c (sparc_flat_output_function_prologue,
15377 sparc_flat_output_function_epilogue): Likewise.
15379 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15381 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15382 warning from -Wuninitialized and put it under -W.
15383 * function.c (uninitialized_vars_warning): Warn only when the
15384 corresponding flag is set.
15386 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15388 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15389 is nonzero and the single set does not have an elt, then assign
15392 * simplify-rtx.c: New file.
15393 * Makefile.in (OBJS): Add simplify-rtx.o
15394 (simplify-rtx.o): Add dependencies.
15395 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15396 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15397 (cse_gen_binary, simplify_unary_operation): Delete.
15398 (simplify_binary_operation, simplify_plus_minus): Likewise.
15399 (check_fold_consts, simplify_relation_operation): Likewise.
15400 (simplify_ternary_operation): Likewise.
15401 (delete_trivially_dead_insns): Simplify the contents of the
15402 REG_EQUAL note before trying to substitute it into the source
15403 of the reg-reg copy at the end of a libcall sequence.
15405 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15406 references/callers changed.
15408 * mn10200.c (mn10200_va_arg): Force the return value into a
15411 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15413 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15416 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15418 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15420 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15422 * fold-const.c (fold): Fix thinko when optimizing comparisons
15425 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15427 * gcc.texi (Passes): Update front-end files to their current
15430 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15432 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15433 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15434 (PREDICATE_CODES): Add addition_operation.
15435 * alpha-protos.h (addition_operation): Declare.
15436 (secondary_reload_class): Likewise.
15437 * alpha.c (addition_operation): New.
15438 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15439 * alpha.md (adddi3): Turn into expander.
15440 (*lda, *adddi_2): New.
15441 (movsf, movdf patterns): Don't preference integer regs.
15442 (movsi, movdi patterns): Don't preference fp regs.
15444 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15446 * genrecog.c (write_switch): Check for duplicate CODE cases.
15448 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15450 * ggc-common.c: Update pre-function commentary.
15451 * ggc-page.c: Likewise.
15453 (poison_pages): Use memset directly.
15454 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15455 (ggc_collect): Poison before sweeping.
15456 * ggc-simple.c: Update pre-function commentary.
15457 (ggc_alloc_obj): Poison non-zeroed memory.
15459 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15461 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15462 match format string, even on 64-bit hosts.
15463 * gcc-page.c (ggc_page_print_statistics): Likewise.
15465 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15467 * config/i386/i386.c (ix86_cpu): Revert last patch.
15468 * config/i386/i386.h (ix86_cpu): Ditto.
15470 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15472 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15473 TYPE_SIZE, convert type of result to sizetype.
15475 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15477 * flow.c (count_or_remove_death_notes): Equate NULL with the
15480 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15481 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15484 * i386.c (pic_label_no): Delete.
15485 (ix86_attr_length_default): Don't use single_set to peek
15488 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15489 the first insn after bb->end.
15490 * i386.md (push mem peeps): Scratch is live after evaluation
15492 (cmp mem peep): Similarly.
15494 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15496 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15497 * function.c (pad_to_arg_alignment): Add missing braces.
15499 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15501 * alpha/alpha-protos.h (literal_section): Add prototype.
15502 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15505 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15507 (alpha_start_function, alpha_end_function, float_strings,
15508 alpha_need_linkage): Constify a char*
15510 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15512 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15514 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15516 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15518 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15520 * flow.c (debug_flow_info): Add prototype.
15522 * gcc.c (main): Likewise.
15524 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15527 * reload1.c (failed_reload, set_reload_reg): Likewise.
15529 * mips-tfile.c (main): Likewise.
15530 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15531 with ATTRIBUTE_NORETURN.
15533 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15535 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15536 DECL is not a memory ref.
15538 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15540 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15541 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15543 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15545 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15546 * config/mips/elf64.h: ditto.
15548 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15550 * expr.c (emit_push_insn): New argument alignment_pad.
15551 Update all callers. Adjust stack pointer based on alignment pad.
15552 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15553 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15554 (locate_and_pad_parm): New argument alignment_pad. Update all
15556 * expr.h (emit_push_insn): Update prototype.
15557 (locate_and_pad_parm): Update prototype.
15558 * calls.c (arg_data): Add new field alignment_pad.
15559 (initialize_argument_information): Initialize alignment_pad.
15561 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15563 * except.c (free_eh_nesting_info): Free the info itself.
15564 * function.c (free_after_compilation): Don't free NULL.
15565 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15566 (pre_edge_insert): Free inserted.
15567 * stmt.c (free_stmt_status): Don't free NULL.
15569 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15571 * gcov.c (DIR_SEPARATOR): Provide default.
15572 (output_data): Add test for MS-DOS format absolute filename.
15573 (fancy_abort): Correct program name.
15574 (open_files): Open all files in binary mode.
15575 * libgcc2.c (__bb_exit_func): Likewise.
15577 * profile.c (init_branch_prob): Specify binary when opening files.
15579 * flags.h (flag_unwind_tables): New decl.
15580 * toplev.c (flag_unwind_table): New definition.
15581 (f_options): Add -funwind-tables.
15582 (decode_g_option): Clarify warning when unknown -g option is given.
15583 (rest_of_compilation): If inside an inlined external function,
15584 pretend we are just being declared.
15586 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15587 (dwarf2out_frame_finish): Likewise.
15589 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15591 * fold-const.c (merge_ranges): If not in0, but in1, handle
15592 upper bounds equal like subset case.
15594 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15596 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15597 passed in a register but moved to the stack.
15599 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15601 * gcc.c (pass_exit_codes, greatest_status): New variables.
15602 (struct option_map): Add entry for "--pass-exit-codes".
15603 (execute): Update greatest_status if error.
15604 (display_help): Add documentation for -pass-exit-codes.
15605 (process_command): Handle -pass-exit-codes.
15606 (main): Look at pass_exit_codes and greatest_status on call to exit.
15608 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15610 * reload.c (find_reloads): Refine test for no input reload
15611 case to not includes reloads emitted after insn.
15613 * function.c (find_temp_slots_from_address): Handle sum involving
15614 a register that points to a temp slot.
15615 (update_temp_slot_address): Make recursive call if both old and
15616 new are PLUS with a common operand.
15617 * calls.c (expand_call): Mark temp slot for result as having
15620 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15622 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15623 component as well as "BINUTILS".
15625 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15626 * integrate.c (copy_rtx_and_substitute): Likewise.
15627 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15628 All callers changed.
15629 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15631 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15632 gdb extensions, write size of type; also be more consistent
15633 in using references when this is a subtype.
15635 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15636 that is out of range.
15638 * loop.c (unknown_constant_address_altered): New variable.
15639 (prescan_loop): Initialize it.
15640 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15641 (invariant_p, case MEM): Remove handling for volatile and readonly;
15642 check new variable if readonly.
15643 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15645 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15646 (addr_affects_sp_p): Removed from note_mem_written and only
15647 define #ifdef AUTO_INC_DEC.
15649 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15651 * regclass.c (record_reg_classes): Properly handle register move
15654 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15655 Don't think valid if both operands are invalid.
15656 (struct constant_descriptor): New field RTL.
15657 (mark_const_hash_entry): Mark it.
15658 (record_constant{,_rtx}): Initialize it.
15659 (output_constant_def): Allocate RTL in permanent obstack and
15661 ({record,compare}_constant_1): Modes must match for
15662 CONSTRUCTOR of ARRAY_TYPE.
15664 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15665 * output.h (initializer_constant_valid_p): Move decl to here.
15666 * c-common.c (initializer_constant_valid_p): Delete function from here.
15667 * varasm.c (initializer_constant_valid_p): Move function to here.
15669 * tree.h (STRIP_SIGN_NOPS): New macro.
15670 * fold-const.c (optimize_minmax_comparison): New function.
15671 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15672 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15673 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15674 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15675 widening conversions.
15676 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15677 to look at size of mode, not precision of type; also add missing cases.
15678 (optimize_bit_field_compare, decode_field_reference): Don't try to
15679 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15681 * dwarf2out.c (ctype.h): Include.
15682 (dwarf2out_set_demangle_name_func): New function.
15683 (size_of_line_info): Deleted.
15684 (output_line_info): Compute size of line info table from difference
15686 (base_type_die, add_name_attribute): Call demangle function, if any.
15687 (field_byte_offset): Use bits per word for variable length fields.
15688 (gen_array_type_die): Add array name.
15689 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15690 (dwarf2out_add_library_unit_info): New function.
15692 * explow.c (set_stack_check_libfunc): New function.
15693 (stack_check_libfunc): New static variable.
15694 (probe_stack_range): Allow front-end to set up a libfunc to call.
15696 * combine.c (simplify_comparison): When making comparison in wider
15697 mode, check for having commuted an AND and a SUBREG.
15698 (contains_muldiv): New function.
15699 (try_combine): Call it when dividing a PARALLEL.
15700 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15701 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15703 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15704 use one of the CLOBBERs instead.
15705 (if_then_else_cond): If comparing against zero, just return thing
15708 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15709 Don't generate shifts and subtract if have conditional arithmetic.
15711 * rtl.h (delete_barrier): New declaration.
15712 * jump.c (jump_optimize): Set up to handle conditional call.
15713 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15714 (delete_barrier): New function.
15716 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15718 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15720 * tree.c (build_type_attribute_variant): Push to obstack of
15721 ttype around type_hash_canon call.
15723 * expr.c (placeholder_list): Move decl to file scope.
15724 (expand_expr): Don't force access to volatile just because its
15726 If ignoring reference operations, just expand the operands.
15727 (expand_expr, case COMPONENT_REF): Propagate
15728 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15729 Refine test for using bitfield operations vs pointer punning.
15730 (expand_expr, case CONVERT_EXPR): If converting to
15731 BLKmode UNION_TYPE from BLKmode, just return inner object.
15732 Use proper mode in store_field call.
15733 Properly set sizes of object to store and total size in store_field
15734 call for convert to union.
15735 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15736 memory (like for ADDR_EXPR). Also, don't put constant in register if
15737 we'll want it in memory.
15738 (readonly_fields_p): New function.
15739 (expand_expr, case INDIRECT_REF): Call it if LHS.
15740 (expand_assignment): Handle a RESULT_DECL where
15741 DECL_RTL is a PARALLEL.
15742 (do_jump, case WITH_RECORD_EXPR): New case.
15743 (get_inner_reference): Always go inside a CONVERT_EXPR
15744 and NOP_EXPR if both modes are the same.
15745 (store_field): Use bitfield operations if size of bitsize is not same
15746 as size of RHS's type.
15747 Check for bitpos not a multiple of alignment in BLKmode case.
15748 Do block move in largest possible alignment.
15749 (store_constructor): Set BITSIZE to -1 for variable size and properly
15750 in case of array of BLKmode.
15751 (expand_expr_unaligned): New function.
15752 (do_compare_and_jump): Call it.
15754 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15755 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15756 does not include 'o'.
15758 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15759 both SET_DEST and SET_SRC reference a virtual register.
15760 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15762 * integrate.c (expand_inline_function): Handle case of setting
15763 virtual stack vars register (from built in setjmp); when parameter
15764 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15765 (subst_constant): Add new parm, MEMONLY.
15766 (expand_inline_function, integrate_parm_decls): Pass new parm.
15767 (integrate_decl_tree): Likewise.
15768 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15769 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15770 (copy_rtx_and_substitute, case SET): Add explicit calls to
15771 copy_rtx_and_substitute for both sides.
15773 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15775 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15776 within INDEX_TYPE, instead of before.
15777 (fixup_gotos): Use f->target_rtl, not the next insn,
15778 since latter may be from a later fixup.
15779 (expand_value_return): Correctly convert VAL when promoting function
15780 return; support RETURN_REG being a PARALLEL.
15781 (expand_return): When checking for result in regs and having
15782 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15784 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15786 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15787 last_nominal_fname): Mark const.
15788 (struct include_hash: name, nshort, control_macro): Mark
15790 (struct macrodef: symnam): Mark const.
15791 (struct if_stack: fname): Mark const.
15792 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15793 (IStable): New character-syntax array which encompasses all
15794 the old is_foo arrays.
15795 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15796 is_space): New macros for interrogating IStable.
15797 (check_macro_name): Kill last argument. All callers changed.
15799 * cppinit.c (initialize_char_syntax): Delete.
15800 (is_idchar, is_idstart, is_hor_space, is_space,
15801 trigraph_table): Delete.
15802 (IStable): New. Initialize with clever macros to avoid
15803 information duplication.
15804 (builtin_array): Table of builtins to get rid of explicit list
15805 in initialize_builtins.
15806 (initialize_builtins): Use builtins_array.
15807 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15808 opts->dollars_in_ident.
15810 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15812 (cpp_parse_expr): Avoid 'format string is not constant'
15813 warning. Use ISGRAPH to identify printable chars.
15814 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15816 (read_and_prescan): Map trigraphs to chars with open-coded
15817 if-else-if-... sequence, not a lookup table.
15818 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15820 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15821 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15822 (check_macro_name): Remove ability to report an invalid
15823 assertion name, which is never used.
15824 (do_line): Constify a couple of char *'s.
15825 * cppmain.c (main): Call cpp_cleanup before returning.
15827 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15829 * ggc.h (struct ggc_statistics): New type.
15830 (ggc_get_size): New function.
15831 (ggc_print_statistics): Likewise.
15832 * ggc-common.c (ggc_stats): New variable.
15833 (ggc_mark_rtx_children): Keep statistics.
15834 (ggc_mark_tree_children): Likewise.
15835 (ggc_print_statistics): New function.
15836 * ggc-page.c (struct globals): Add bytes_mapped field.
15837 (alloc_anon): Update it.
15838 (release_pages): Likewise.
15839 (ggc_get_size): New function.
15840 (ggc_page_print_statistics): New function.
15841 * ggc-simple.c (ggc_get_size): New function.
15843 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15845 * flow.c (propagate_block): When the last reference to a label
15846 before an ADDR_VEC is deleted because the reference is a dead
15847 store, delete the ADDR_VEC.
15849 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15851 * resource.c (find_free_register): Don't use the frame pointer
15852 if frame_pointer_needed.
15854 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15856 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15857 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15859 * config/i960/i960.c (i960_va_start): New locals base, num.
15860 Use INDIRECT_REF instead of ARRAY_REF on valist.
15861 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15863 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15865 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15867 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15869 * tree.def (PLACEHOLDER_EXPR): Update comments.
15871 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15873 * c-common.c (check_format_info): Avoid non-literal format string
15874 warnings when `first_arg_num' is zero.
15876 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15878 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15880 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15882 * arm.md (casesi_insn): Add a clobber of the condition code
15885 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15887 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15888 used by both cc1 and cc1plus.
15890 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15892 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15893 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15894 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15895 to the value 32 if it has not already been defined.
15896 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15897 Override definition in arm.h with a value of 8.
15899 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15901 * c-pragma.c (push_alignment): Don't check the return value
15904 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15906 * sparc.h (ADJUST_COST): Fix thinko.
15908 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15910 * cccp.c (rescan): Fixed obp pointer handling around call to
15911 check_expand subroutine.
15913 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15915 * gcse.c (delete_null_pointer_checks): Only record non-null info
15916 for pseudos when examining stores.
15918 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15919 splitters for these patterns. Use "#" for output templates.
15920 (addsi3_carryin_shift): New pattern.
15922 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15924 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15925 of the function return register into a plain REG until
15926 after function inlining is done.
15928 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15930 * jump.c (jump_optimize_1): If we did cross-jumping, and
15931 the data will matter, rebuild the CFG.
15932 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15933 not optimizing. Don't run shorten_branches.
15934 * toplev.c (rest_of_compilation): Run shorten_branches after
15937 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15939 * rtl.h (note_stores): Add additional paramter.
15940 * rtlanal.c (reg_set_p_1): Take additional paramter.
15941 (reg_set_last_1): Likewise.
15942 (reg_set_p): Adjust call to note_stores.
15943 (reg_set_last): Likewise.
15944 (note_stores): Pass data parameter to worker function.
15945 * alias.c (record_set): Take additional parameter.
15946 (init_alias_analysis): Pass it.
15947 * caller-save.c (mark_set_regs): Take additional parameter.
15948 (save_call_clobbered_regs): Pass NULL to note_stores.
15949 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15951 (record_dead_and_set_regs_1): Likewise.
15952 (reg_dead_at_p_1): Likewise.
15953 (combine_instructions): Adjust calls to note_stores.
15954 (try_combine): Likewise.
15955 (record_dead_insn): Remove.
15956 (record_dead_and_set_regs): Adjust calls to note_stores.
15957 (reg_dead_at_p): Likewise.
15958 * cse.c (invalidate_skipped_set): Take additional parameter.
15959 (cse_check_loop_start): Likewise.
15960 (cse_check_loop_start_value): Remove.
15961 (cse_set_around_loop): Adjust calls to note_stores.
15962 * flow.c (notice_stack_pointer_modification): Take additional
15963 parameter. Remove duplicate declaration.
15964 (record_volatile_insns): Adjust calls to note_stores.
15965 * gcse.c (record_set_info): Take additional parameter.
15966 (record_last_set_info): Likewise.
15967 (invalidate_nonnull_info): Likewise.
15968 (record_set_insn): Remove.
15969 (compute_sets): Adjust calls to note_stores.
15970 (last_set_insn): Remove.
15971 (compute_hash_table): Adjust calls to note_stores.
15972 (insert_insn_end_bb): Likewise.
15973 (delete_null_pointer_checks): Likewise.
15974 * global.c (mark_reg_store): Take additional parameter.
15975 (mark_reg_clobber): Likewise.
15976 (reg_becomes_live): Likewise.
15977 (global_conflicts): Adjust calls to note_stores.
15978 (build_insn_chain): Likewise.
15979 * integrate.c (note_modified_parmregs): Take additional parameter.
15980 (mark_stores): Likewise. Make it static.
15981 (save_for_inline_nocopy): Adjust calls to note_stores.
15982 (try_constants): Likewise.
15983 * integrate.h (mark_stores): Remove declaration.
15984 * jump.c (mark_modified_reg): Take additional parameter.
15985 (thread_jumps): Adjust calls to note_stores.
15986 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15988 (no_equiv): Likewise.
15989 (reg_is_set): Likewise.
15990 (validate_equiv_mem): Adjust calls to note_stores.
15991 (update_equiv_regs): Likewise.
15992 (block_alloc): Likewise.
15993 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15994 (note_addr_stored): Take additional parameter.
15995 (note_set_pseudo_multiple_uses): Likewise.
15996 (record_initial): Likewise.
15997 (prescan_loop): Adjust calls to note_stores.
15998 (strength_reduce): Likewise.
15999 (check_dbra_loop): Likewise.
16000 * regmove.c (flags_set_1): Take additional paramter.
16001 (mark_flags_life_zones): Adjust calls to note_stores.
16002 * reload1.c (mark_not_eliminable): Take additional parameter.
16003 (forget_old_reloads_1): Likewise.
16004 (reload_cse_invalidate_rtx): Likewise.
16005 (reload_cse_check_clobber): Likewise.
16006 (reload_combine_note_store): Likewise.
16007 (move2add_note_store): Likewise.
16008 (reload): Adjust calls to note_stores.
16009 (reload_as_needed): Likewise.
16010 (emit_reload_insns): Likewise.
16011 (reload_cse_regs_1): Likewise.
16012 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16013 (reload_combine): Adjust calls to note_stores.
16014 * resource.c (update_live_status): Take additional paramter.
16015 (mark_target_live_regs): Adjust calls to note_stores.
16016 * stupid.c (find_clobbered_regs): Take additional parameter.
16017 (stupid_life_analysis): Adjust calls to note_stores.
16019 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16021 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16024 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16027 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16028 of the variable arm_structure_size_boundary.
16030 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16032 * alias.c (init_alias_analysis): Allocate reg_known_value and
16033 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16035 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16036 * cse.c (cse_main): Call end_alias_analysis.
16037 * haifa-sched.c (schedule_insns): Likewise.
16038 * local-alloc. (update_equiv_regs): Likewise.
16039 * reload1.c (reload_cse_regs): Likewise.
16041 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16043 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16044 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16045 mapping from MASK_FPU.
16047 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16049 * sparc.md (call): Don't bound structure return size to 0xfff.
16051 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16053 * resource.c (mark_target_live_regs): Check that the target
16054 insn wasn't created after compute_bb_for_insn.
16056 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16058 * ggc-page.c (poison_pages): Don't be overzealous.
16060 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16062 * alias.c: Update comments for ADDRESS.
16063 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16064 it is a local memory reference.
16066 * c-typeck.c (build_function_call): Check that the built-in
16067 function is of class BUILT_IN_NORMAL before trying to recongize
16068 it as BUILT_IN_ABS.
16069 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16070 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16072 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16074 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16076 (pre_gcse): Likewise.
16077 (hoist_expr_reaches_here_p): Likewise.
16078 (hoist_code): Likewise.
16079 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16081 (pre_expr_reaches_here_p_work): ... here.
16082 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16084 (expr_reaches_here_p_work): ... here.
16086 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16088 * resource.c (find_basic_block): Delete.
16089 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16090 (init_resource_info): Call compute_bb_for_insn.
16092 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16094 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16095 with already adjacent blocks, but no fallthru.
16096 (merge_blocks_move_successor_nojumps): Simplify.
16097 (debug_flow_info): New.
16099 * toplev.c (rest_of_compilation): Open jump1 dump file before
16100 jump and close after, as opposed to just using dump_rtl.
16102 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16104 * reload.h (earlyclobber_operand_p): Declare.
16105 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16106 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16107 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16108 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16110 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16111 Richard Henderson <rth@cygnus.com>
16113 * emit-rtl.c (emit_block_insn_before): New.
16114 (emit_block_insn_after): New.
16115 * basic-block.h: Declare them.
16117 * bitmap.h: Protect from multiple inclusion.
16119 * recog.c (scratch_operand): Handle VOIDmode correctly.
16121 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16123 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16124 * function.c (assign_parms): Likewise.
16125 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16127 * reg-stack.c (max_uid): Remove.
16128 (blocks, block_begin, block_end, block_drops_in): Remove.
16129 (block_stack_in, block_out_reg_set, block_number): Remove.
16130 (struct block_info_def, BLOCK_INFO): New.
16131 (enum emit_where): New.
16132 (current_block): New.
16133 (BLOCK_NUM): Remove.
16134 (mark_regs_pat, record_label_references): Remove.
16135 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16137 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16138 (reg_to_stack): Simplified test for existance of fp code. Use
16139 flow.c code. Call shorten_branches after cross-jump opt.
16140 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16141 Return false if the asm doesn't use stack regs. Don't do life
16142 analysis on the asm.
16143 (emit_pop_insn): Replace function pointer arg `when' with
16144 enum `where'. Update all callers.
16145 (change_stack): Likewise. Update basic block end.
16146 (emit_swap_insn): Use current_block->head to limit reverse search
16147 for start of block. Use emit_block_insn_after.
16148 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16149 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16150 structure assignment instead of bcopy.
16151 (print_stack): New.
16152 (convert_regs_entry, convert_regs_exit): New.
16153 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16154 Work on basic blocks and the CFG.
16155 (convert_regs): Use them.
16157 * i386.c (output_fix_trunc): Remove code for DImode input operand
16158 not at top-of-stack.
16159 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16161 (fix_truncdi_1): Allow any mode scratch.
16163 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16165 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16166 * linux.h, netbsd.h, vms.h: Not here.
16168 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16170 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16171 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16172 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16173 CONDITIONAL_REGISTER_USEAGE): Use them.
16174 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16175 gen_conditional_branch,override_options) : Use them.
16176 * config/mips/mips.md : Use them.
16178 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16180 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16182 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16184 * integrate.c (function_cannot_inline_p): Don't allow inlining
16187 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16189 * c-parse.in (cast_expr): Constify.
16191 * cccp.c (special_symbol): Likewise.
16193 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16195 * dwarf2out.c (base_type_die): Likewise.
16197 * global.c (allocno_compare): Likewise.
16199 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16201 * regclass.c (fix_register): Likewise.
16203 * rtl.h (fix_register): Likewise.
16205 * stupid.c (stupid_reg_compare): Likewise.
16207 * toplev.c (decode_f_option): Likewise.
16209 * tree.c (build_complex_type): Likewise.
16211 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16213 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16215 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16217 * reload.c (find_reloads): Compute mode and nregs fields of all
16219 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16220 (calculate_needs): Use precomputed mode/nregs values.
16221 (allocate_reload_reg): Likewise.
16223 (failed_reload, set_reload_reg): ... new functions.
16224 (choose_reload_regs_init): New function, mostly broken out from...
16225 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16226 Also lose one #if 0 block.
16228 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16230 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16233 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16235 * tree.h (BLOCK_TYPE_TAGS): Remove.
16236 (BLOCK_END_NOTE): Likewise.
16237 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16238 (BLOCK_LIVE_RANGE_START): Likewise.
16239 (BLOCK_LIVE_RANGE_END): Likewise.
16240 (tree_block): Remove live_range_flag, live_range_var_flag, and
16241 type_tags. Remove end_note, live_range_start, and live_range_end.
16242 (remember_end_note): Remove prototype.
16243 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16244 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16246 * ggc-common.c (ggc_mark_tree_children): Don't mark
16247 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16248 * integrate.c (adjust_copied_decl_tree): Remove.
16249 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16250 * stmt.c (last_block_end_note): Remove.
16251 (init_stmt): Don't add a GC root for it.
16252 (expand_fixup): Don't set it.
16253 (remember_end_note): Remove.
16254 (expand_end_bindings): Don't set last_block_end_note.
16256 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16258 * reload1.c (reload_reg_free_for_value_p): Show
16259 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16262 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16264 * expmed.c (extract_bit_field): Allow for the case of non-integer
16265 objects that are smaller than a word (like SFmode on a 64-bit
16268 * loop.c (basic_induction_var): A non-integer variable which is
16269 being set by a paradoxical subreg is probably not a biv.
16271 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16273 * prefix.c (translate_name) Check for empty prefix string.
16275 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16277 * Makefile.in (CPP_CROSS_NAME): New variable.
16278 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16280 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16281 names of the files to be uninstalled.
16283 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16285 * collect2.c (IS_DIR_SEPARATOR): Define.
16286 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16288 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16291 * haifa-sched.c (add_dependence): Update the true dependency
16292 cache the first time we add a true dependence to the LOG_LINKS chain.
16294 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16296 * fold-const.c (fold): Fix comment.
16298 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16300 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16301 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16302 dbxout_start_new_source_file, dbxout_source_file,
16303 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16304 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16306 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16307 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16308 (dbxout_block): Initialize variable `blocknum'.
16310 * dbxout.h (dbxout_init, dbxout_finish,
16311 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16312 dbxout_args, dbxout_source_line): Constify a char*.
16314 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16315 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16316 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16317 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16318 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16319 src_info_attribute, mac_info_attribute, producer_attribute,
16320 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16321 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16322 dwarfout_undef): Constify a char*.
16323 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16325 * dwarfout.h (dwarfout_define, dwarfout_undef,
16326 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16328 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16330 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16331 (MULTILIB_ISA_DEFAULT): New.
16332 (MULTILIB_DEFAULTS): Use it.
16333 * config/mips/mips.c (): Remove the now unnecessary definition
16334 of MIPS_ISA_DEFAULT.
16335 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16336 unnecessary definition.
16338 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16340 * arm.md (pic_load_addr): Add constraints to operand 1.
16342 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16344 * fixinc/genfixes: Provide a means for specifying -D options to
16347 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16349 * arm.c (arm_override_options): Correct initialization of
16350 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16351 arm_is_strong, and arm_is_6_or_7.
16353 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16354 (note_set_pseudo_multiple_uses): New function.
16355 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16356 if a pseudo set in the loop exit is used elsewhere.
16358 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16360 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16362 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16364 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16365 a single load-address pattern.
16367 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16369 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16370 depending on whether or not line-number notes are present.
16372 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16374 * cccp.c (progname, file_buf, default_include, include_file,
16375 macrodef, definition, hashval, wchar_type, user_label_prefix,
16376 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16377 expand_to_temp_buffer, is_system_include, base_name,
16378 absolute_filename, read_name_map, open_include_file,
16379 record_control_macro, check_precompiled, check_preconditions,
16380 pcfinclude, pass_thru_directive, create_definition,
16381 check_macro_name, comp_def_part, collect_expansion,
16382 check_assertion, read_token_list, assertion_install,
16383 assertion_lookup, eval_if_expression, conditional_skip,
16384 validate_else, skip_quoted_string, quote_string, macarg1,
16385 error_from_errno, install, lookup, hashf, dump_defn_1,
16386 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16387 check_white_space, rescan, handle_directive, monthnames,
16388 special_symbol, do_include, remap_include_file, write_output,
16389 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16390 do_ident, do_sccs, do_xifdef, skip_if_group,
16391 output_line_directive, macroexpand, macarg, change_newlines,
16392 initialize_builtins, make_definition): Constify a char*.
16394 * pcp.h (stringdef): Likewise.
16396 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16398 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16401 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16402 Richard Henderson <rth@cygnus.com>
16404 * alias.c: Include ggc.h.
16405 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16406 (record_set): Verify enough room in reg_base_value.
16407 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16408 Register it as a GC root.
16409 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16410 * Makefile.in (alias.o): Depend on ggc.h.
16412 * unroll.c (unroll_loop): Verify the insn before a barrier
16413 is a JUMP_INSN before checking JUMP_LABEL.
16415 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16417 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16418 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16419 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16420 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16421 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16422 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16424 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16426 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16428 * alpha/alpha-interix.h (text_section): Delete prototype.
16429 * alpha/elf.h (text_section): Likewise.
16430 * arm/linux-elf.h (text_section): Likewise.
16431 * arm/linux-telf.h (text_section): Likewise.
16432 * c4x/c4x.h (text_section): Likewise.
16433 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16434 * elfos.h (text_section): Likewise.
16435 * i386/aix386ng.h (text_section): Likewise.
16436 * i386/i386-interix.h (text_section): Likewise.
16437 * i386/sco5.h (text_section): Likewise.
16438 * i386/svr3gas.h (text_section): Likewise.
16439 * nextstep.h (text_section): Likewise.
16440 * psos.h (text_section): Likewise.
16441 * ptx4.h (text_section): Likewise.
16442 * svr3.h (text_section): Likewise.
16443 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16445 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16447 * final.c (peephole): Delete prototype.
16449 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16450 (pre_insert_copies): Remove unused variable `bb'.
16452 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16455 * output.h (peephole): Add prototype.
16457 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16459 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16462 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16464 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16465 for inlined declarations.
16467 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16469 * arm.c (logical_binary_operator): New fucntion.
16470 * arm.h (logical_binary_operator): Declare it.
16471 (PREDICATE_CODES): Handle logical_binary_operator.
16472 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16473 output constraints. Add appropriate splitters.
16474 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16475 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16476 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16478 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16480 * genoutput.c (struct operand_data): New elt eliminable.
16481 (output_operand_data): Write it.
16482 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16483 (compare_operands): Take it into account.
16484 * recog.h (struct insn_operand_data): New elt eliminable.
16485 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16487 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16488 (eliminate_regs): Move code that detects changes to elimination
16489 target regs into new function elimination_effects.
16490 Delete one #if 0 block.
16491 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16492 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16493 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16494 Only call eliminate_regs for real operands of the insn, not for parts
16495 of its structure or parts matched by things like match_operator.
16496 Use elimination_effects and check_eliminable_occurrences. Use
16497 copy_insn to duplicate the pattern when not in the final pass.
16499 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16501 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16504 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16506 * fixinc/README: document the "mach" machine matching test
16507 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16508 * fixinc/fixtests.c: Implement the #else/#endif label test
16509 * fixinc/inclhack.def: utilize these tests and fixes
16510 * fixinc/inclhack.sh: regen
16511 * fixinc/fixincl.x: regen
16512 * fixinc/fixincl.sh: regen
16514 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16516 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16519 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16521 * gcc.1: Document exit codes.
16523 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16525 * calls.c: Include tm_p.h later, so everything we need is defined.
16526 * expr.c: Likewise.
16527 * function.c: Likewise.
16529 * except.c: Include tm_p.h.
16531 * sparc.c: Likewise.
16532 (dwarf2out_cfi_label): Don't prototype.
16533 (check_return_regs, epilogue_renumber,
16534 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16535 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16536 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16537 ultra_schedule_insn): Add static prototype.
16538 (data_segment_operand, text_segment_operand): Call itself with the
16539 proper number of arguments.
16540 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16542 * sparc.h: Move all declarations to sparc-protos.h.
16543 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16546 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16548 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16550 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16551 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16552 ASM_OUTPUT_ASCII): Constify a char*.
16554 * sparc-protos.h: New file for sparc prototypes.
16556 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16558 * function.c (record_insns, contains): Always declare and define.
16559 (record_insns): Mark with ATTRIBUTE_UNUSED.
16561 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16563 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16564 to .section when outputting a .bss section to deal with multiple
16565 .bss input sections (as happens with -fdata-sections)
16566 Also output %progbits, not @progbits so the assembler doesn't treat as
16568 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16570 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16571 thumb parts even when building with non-thumb CPUs, by forcing
16574 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16576 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16577 (movdf_const_intreg_sp64): Similarly.
16579 * local-alloc.c (update_equiv_regs): Check the correct insn
16580 for pre-existing REG_EQUIV notes.
16582 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16584 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16585 block reached by a branch if we're not going to actually process
16588 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16590 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16591 a local extern function declaration.
16593 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16595 * i386.c (ix86_expand_prologue): Properly wrap USE around
16596 reg for CALL_INSN_FUNCTION_USAGE.
16598 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16600 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16601 move between GP_REGs.
16603 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16605 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16606 the mode size when finding out if an offset is legal.
16608 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16610 * basic-block.h (PROP_*): Move constants from ...
16611 * flow.c: ... here.
16612 (compute_bb_for_insn): Free the array before reallocating.
16613 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16614 (allocate_reg_life_data): Reset all reg variables collected by
16616 (get_block_head_tail): Don't convert from bb to block.
16617 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16618 (find_insn_reg_weight): Take block not bb.
16619 (schedule_block): Don't set block num for moved insns.
16620 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16621 (schedule_insns): Do it here instead.
16622 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16623 before update_life_info.
16624 * recog.c (split_all_insns, peephole2_optimize): Update for
16625 new arg to update_life_info.
16626 * rtlanal.c (remove_note): Cope with NULL note.
16627 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16630 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16632 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16634 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16635 block records so that merge_blocks_nomove will clean up correctly.
16636 (split_edge): Handle casesi insns.
16638 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16640 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16642 * pa.md (call, call_value): Do not emit a blockage after restoring
16645 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16647 * c-typeck.c (c_expand_asm_operands): Fix typo.
16649 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16651 * arm.c (fpu_rhs_operand): Verify modes.
16652 (fpu_add_operand): Likewise.
16653 (di_operand): Likewise.
16654 (soft_df_operand): Likewise.
16656 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16658 * arm.c (arm_return_in_memory): APCS rules state that the elements
16659 of a structure returned in a register must be 'integer-like'.
16661 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16663 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16664 in the source tree when the generated targets are out of date
16665 * fixinc/genfixes: Alter it to run individual fixes for make.
16666 * fixinc/README: rewrite
16667 * fixinc/inclhack.def: moved initial comments to README
16669 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16671 * toplev.c (main): Do not generate an error message if an
16672 unrecognised command line switch is recognisable by another
16673 language. If extra_warnings are enabled, then generate a
16674 warning message instead.
16676 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16678 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16679 (insert_pack_attributes): Delete prototype.
16681 * c-pragma.c (default_alignment): New static variable.
16682 (push_alignment): Initialize to current effective alignment.
16683 (pop_alignment): Use to set new alignment.
16684 (insert_pack_attributes): Delete function.
16685 (handle_pragma_token): Set default_alignment as well each time
16686 a #pragma pack(<n>) is encountered.
16688 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16690 * reg-stack.c (stack_result): Aggregates are not returned in
16693 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16695 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16697 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16699 * basic-block.h (set_block_num): Declare.
16700 * flow.c (update_life_info): Don't call compute_bb_for_insn
16701 or free_basic_block_vars.
16702 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16703 (insn_orig_block): Remove.
16704 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16705 (schedule_block): Keep BLOCK_NUM up-to-date.
16706 (schedule_insns): Use compute_bb_for_insn.
16707 * recog.c (split_all_insns): Likewise.
16708 (peephole2_optimize): Likewise.
16710 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16712 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16713 if the pic register is used.
16715 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16717 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16718 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16719 if that tests TREE_PERMANENT.
16721 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16723 * cse.c (invalidate_for_call): Do not remove memory references from
16724 the table here. It's handled elsewhere.
16726 * haifa-sched.c (add_dependence): Protect references to the
16727 true dependency cache with #ifdef INSN_SCHEDULING.
16728 (remove_dependence): Similarly.
16730 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16731 to the cfg code that this is a return instruction.
16732 * mn10300.md (return_internal): Similarly.
16734 * combine.c (get_last_value): If the last set of a register
16735 is after subst_low_cuid, then we can not use it to determine
16736 the register's last value.
16738 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16740 * Makefile.in: Back out previous change.
16742 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16744 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16746 * haifa-sched.c (add_dependence): Only check/update the cache
16748 (remove_dependence): Likewise.
16749 (schedule_insns): Only create the true_dependency_cache if the
16750 average number of instructions in a basic block is very large.
16752 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16754 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16755 (ggc-simple.o): Likewise.
16756 (ggc-page.o): Likewise.
16758 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16760 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16761 Prototype for exported functions.
16762 (pre_lcm, pre_rev_lcm): Remove prototypes.
16763 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16764 (compute_available): Move to lcm.c, and change parameter order.
16765 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16766 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16767 (gcse_main): No longer call compute_preds_succs. Rebuild the
16768 set table after reach pre pass.
16769 (pre_insert_map, pre_delete_map, edge_list): New.
16770 (alloc_pre_mem): Allocate edge vectors.
16771 (free_pre_mem): Delete edge vectors.
16772 (compute_pre_data): Call new edge based lcm routines.
16773 (process_insert_insn): New function.
16774 (insert_insn_end_bb): Use it.
16775 (pre_edge_insert): New function.
16776 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16778 (pre_insert_copies): Revamp using new edge based lcm outputs.
16779 (pre_delete): Likewise.
16780 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16782 (compute_code_hoist_vbeinout): New new edge based routines.
16783 * lcm.c: Remove all the old LCM functions. Replace with new ones
16784 that work with the new cfg datastructures and work with edges
16787 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16789 * reload.h (struct reload): Add new fields "mode" and "nregs".
16790 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16791 to reference the "mode" and "nregs" field within struct reload.
16793 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16795 * haifa-sched.c (true_dependency_cache): New.
16796 (add_dependence): Use the true dependency cache to avoid expensive
16797 walks down the LOG_LINKS dependency list. Add entries to the
16798 cache as necessary.
16799 (remove_dependence): Remove entries from the true dependency cache
16801 (schedule_insns): Allocate and initialize and free the true
16804 * haifa-sched.c (schedule_insns): Do not remove inter-block
16805 dependencies anymore.
16807 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16809 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16810 * i386/t-winnt: Likewise.
16812 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16814 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16816 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16818 * Makefile.in (LANGUAGES): Omit "proto".
16819 (clean): Remove stale comment about removing unprotoize.c.
16821 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16823 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16824 using arithmetic on void pointers.
16826 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16828 * haifa-sched.c (compute_block_forward_dependencies): Only check
16829 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16831 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16833 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16834 (expr_equiv_p): Reject memories with different alias sets.
16836 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16838 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16839 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16840 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16841 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16842 (lang_init): Set default for flag_bounds_check if still "unspecified".
16844 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16846 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16848 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16850 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16853 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16855 * config/c4x/c4x.md (*db_noclobber,
16856 *decrement_and_branch_until_zero_noclobber): New patterns and
16857 associated splitters.
16859 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16861 * config/c4x/c4x.md (parallel instruction patterns): Rework
16862 constraints to keep reload happy.
16864 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16866 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16867 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16868 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16869 Add new patterns and associated post-reload splitters.
16871 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16873 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16875 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16877 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16879 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16881 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16883 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16886 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16888 * pa.c (move_operand): Rely on memory_address_p to determine the
16889 validity of non-indexed memory addresses.
16890 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16891 operand in DFmode and SFmode when generating PA2.0 code.
16893 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16895 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16897 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16899 * mips.c (function_prologue): Fix argument types.
16900 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16901 (casesi_internal): Write to the scratch register.
16903 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16905 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16907 (parse_charconst): Delete unnecessary cast when calling
16909 (cpplib.h): Kill prototype of cpp_parse_escape.
16911 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16913 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16914 * unroll.c (unroll_loop): Cast return value of alloca.
16915 * i370/i370.c: Include function.h and toplev.h.
16916 (i370_label_scan): Remove c++ commented abort.
16917 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16918 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16919 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16920 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16922 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16924 * config/t-freebsd: Do not override USER_H.
16925 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16927 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16928 Mumit Khan <khan@xraylith.wisc.edu>
16930 * c-parse.in (component_decl): Support anonymous struct/union.
16932 * c-parse.y: Regenerate.
16933 * c-parse.c: Likewise.
16934 * objc/objc-parse.y: Likewise.
16935 * objc/objc-parse.c: Likewise.
16936 * c-decl.c (finish_struct): Don't sort the fields.
16937 (field_decl_cmp): Delete unused function.
16939 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16941 * sparc.md (movsf_const_intreg): Revert last constraint change.
16942 (movdf_const_intreg_sp32): Likewise.
16944 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16946 * cse.c: Include hashtab.h instead of splay-tree.h
16947 (struct cse_reg_info): No longer use variant union. Add new
16948 field "regno". All references changed to avoid union.
16949 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16950 (free_cse_reg_info): Remove.
16951 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16952 (get_cse_reg_info): Revamp to use expandable hash tables instead
16953 of splay trees. Initialize new fields in cse_reg_info structure.
16954 (new_basic_block): Similarly.
16956 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16958 * genrecog.c (message_with_line): Prototype.
16959 (validate_pattern): Pass along the set for the dest, not a flag.
16960 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16961 Check for PC/CC0 as sources.
16962 (nodes_identical): Check for children position match before
16963 allowing the combination.
16965 * rtl.c (read_rtx): Track line number across \\\n.
16967 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16969 * mips.h (SPECIAL_MODE_PREDICATES): New.
16970 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16971 (movdi+1, movsi+1): Add output reload constraint.
16972 (casesi_internal): Likewise. Fix commentary.
16973 (return_internal): Use pmode_register_operand.
16975 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16977 * 1750a.md (movstrqi): Add missing output reload constraint.
16978 (call_value): Likewise.
16979 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16980 (jmpfdec): Add missing inout reload constraint.
16981 * elxsi.md (addsi patterns): Add missing output reload constraint.
16982 (move from sp): Use @ alternates.
16983 (call_value): No constraint on output.
16984 * fr30.md (movsi_pop): Add missing output reload constraint.
16985 (movsf_constant_store): Likewise.
16986 (splits): Remove constraints.
16987 (subsi3): Add missing mode.
16988 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16989 (call_value): Likewise.
16990 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16991 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16992 * m32r.md (movsicc_internal): Add output reload constraint.
16993 (movstrsi_internal): Add inout reload constraints.
16994 * m88k.h (reg_names): Don't declare.
16995 (SPECIAL_MODE_PREDICATES): New.
16996 * m88k.md (*): Use register_operand not reg_or_0_operand
16998 * mn10200.h (PREDICATE_CODES): New.
16999 * ns32k.md (ffs pattern): Add output reload constraint.
17000 * pdp11.md (sob pattern): Add inout reload constraint.
17001 * sh.md (splits): Remove constraints.
17002 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17003 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17004 * vax.md (jgequ pattern): Add inout reload constraint.
17006 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17008 * configure.in (djgpp): Revert previous patch.
17009 * configure: Rebuit.
17010 * config/i386/djgpp.h: Revert previous patch.
17012 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17014 * fixinc/inclhack.def: Restore patch lost during last merge of
17015 "no_bogosity" branch.
17016 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17018 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17020 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17021 * fixinc/inclhack.def: Same.
17022 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17024 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17026 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17027 as the base of a PLUS.
17029 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17031 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17032 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17034 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17036 * pa.md (post_stw+1): Use pmode_register_operand.
17037 (dcacheflush, icacheflush): Likewise.
17039 * i386.md (movstricthi_1): Allow r/r.
17041 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17043 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17044 to (not (and (arg0) (arg1))). Similary for and.
17046 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17047 fallthrough to associate code.
17048 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17051 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17052 no bits in common; remove XOR to ROTATE conversion.
17054 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17056 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17058 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17060 * config/c4x/c4x.c (dst_operand): New.
17061 (PREDICATE_CODES): Update.
17062 * config/c4x/c4x.h (dst_operand): Declare it.
17063 * config/c4x/c4x.md: Define mode for each unspec usage.
17064 (move patterns): Use dst_operand predicate instead of src_operand.
17065 (movqi_update, movqf_update): Delete.
17067 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17069 * recog.c (pmode_register_operand): New.
17070 * recog.h: Declare it.
17071 * genrecog.c (pred_codes): Likewise.
17072 (special_mode_pred_table): Likewise.
17073 (validate_pattern): Don't warn no mode for address_operand.
17075 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17076 if the operand is not insn-like.
17078 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17079 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17081 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17083 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17085 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17086 instead of general_operand in a SET_DEST. Use const_double_operand
17087 instead of an explicit test against CONST_DOUBLE.
17088 (movsf_const_lo): Add missing register mode.
17089 (goto_handler_and_restore): Add auxiliary test for Pmode.
17090 (flush): Adjust to use address_operand.
17091 (return_sf_no_fpu): Add missing output constraint.
17093 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17095 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17096 for call return value.
17097 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17099 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17101 * toplev.c (main): Only warn about options for other languages.
17102 * collect2.c (main): Pass -w to sub-gcc.
17104 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17106 * flow.c (propagate_block): Add call-clobbered registers to
17109 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17110 zapping mem_set_list.
17111 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17112 (mark_set_1, mark_used_regs): Likewise.
17114 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17116 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17118 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17120 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17121 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17122 options. Also add a new item "C-only Warning Options" to the
17125 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17127 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17128 from multiple calls.
17130 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17132 * i386.md (call value patterns): Move to the end of the file.
17133 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17135 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17137 * configure.in (djgpp configuration): Define extra_objects..
17138 * configure: Rebuilt.
17139 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17140 (DTORS_SECTION_ASM_OP): Define.
17141 (INIT_SECTION_ASM_OP): Define.
17142 (FINI_SECTION_ASM_OP): Define.
17143 (DATA_SECTION_ASM_OP): Define.
17144 (TEXT_SECTION_ASM_OP): Define.
17145 (EH_FRAME_SECTION_ASM_OP): Define.
17146 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17147 (STARTFILE_SPEC): Add crtbegin.o.
17148 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17149 to here from LINK_COMMAND_SPEC.
17150 (DO_GLOBAL_CTORS_BODY): Define.
17151 (CRTSTUFF_USE_FINI_SECTION): Define
17152 (HAS_INIT_SECTION): Delete.
17154 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17156 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17158 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17160 * pa.h (PREDICATE_CODES): New.
17162 * genrecog.c (validate_pattern): Condense the destination
17163 non-lvalue message.
17165 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17167 * alpha.md (call-1): Supply missing mode for operator.
17168 (*): Add missing output reload constraints. Remove constraints
17169 from define_splits.
17171 * i386.h (SPECIAL_MODE_PREDICATES): New.
17172 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17173 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17174 (addsi_lea_3): Add missing mode for op 3.
17175 (prologue_set_got, prologue_get_pc): Add missing modes.
17176 (*) Add missing output reload constraints.
17178 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17180 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17181 check for member bit-size overflow and use var_size if it occurs.
17182 (layout_record): Use bitsize_int() to define the type size in bits.
17183 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17184 (layout_decl): Likewise when assigning to DECL_SIZE.
17186 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17188 * genrecog.c (validate_pattern): Typo last change. Verify
17189 that output operands have output reloads.
17191 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17193 * genrecog.c (special_mode_pred_table): New.
17194 (NUM_SPECIAL_MODE_PREDS): New.
17195 (find_operand): New.
17196 (validate_pattern): New argument `insn'. Warn for assignment to
17197 any predicate accepting non-lvalues. Conditionaly warn for
17198 match_operand without a mode. Try much harder to match source
17199 and destination modes on a set.
17200 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17202 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17204 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17206 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17208 * combine.c (simplify_logical): Recognize xor pattern that encodes
17211 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17213 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17216 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17218 * ggc-page.c (MAP_FAILED): Provide default.
17220 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17222 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17223 * sparc.h (PREDICATE_CODES): Update.
17225 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17227 * alpha.c (some_ni_operand): New.
17228 * alpha-protos.h: Declare it.
17229 * alpha.h (PREDICATE_CODES): Update.
17230 * alpha.md (sXaddq reload insns): Use some_ni_operand
17231 for SET_DEST instead of some_operand.
17233 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17234 Jim Wilson <wilson@cygnus.com>
17236 * genrecog.c (maybe_both_true_2): Don't compare modes of
17238 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17239 after find_afterward.
17240 (debug_decision_1): Dump next and afterward codes.
17242 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17244 * rtl.c (dump_and_abort): Remove.
17245 (fatal_with_file_and_line): New.
17246 (fatal_expected_char): New.
17247 (read_rtx_lineno, read_rtx_filename): New.
17248 (read_skip_spaces): Track line number.
17249 (read_name): Use fatal_with_file_and_line.
17250 (read_rtx): Use fatal_expected_char. Track line number.
17251 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17253 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17254 if it isn't a CODE_LABEL.
17256 * genattr.c (main): Set read_rtx_filename.
17257 * genattrtab.c (main): Likewise.
17258 * gencodes.c (main): Likewise.
17259 * genconfig.c (main): Likewise.
17260 * genemit.c (main): Likewise.
17261 * genextract.c (main): Likewise.
17262 * genflags.c (main): Likewise.
17263 * genopinit.c (main): Likewise.
17264 * genoutput.c (main): Likewise.
17265 * genpeep.c (main): Likewise.
17267 * genrecog.c (decision_test.u.insn): Add `lineno'.
17268 (pattern_lineno, error_count): New variables.
17269 (message_with_line): New.
17270 (add_to_sequence): Break out checking code to ...
17271 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17272 (merge_insn): Use message_with_line.
17273 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17274 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17276 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17278 * expr.c (store_constructor): Clear union if constructor is empty.
17280 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17282 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17283 Add !endian checks. Change %{...} to %(...).
17285 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17287 * i386.md (*addsi3_cc): Renamed from addcsi3.
17288 (*addsi3_carry): Renamed from addxsi3.
17289 (*subsi3_cc): Renamed from subcsi3.
17290 (*subsi3_carry): Renamed from subxsi3.
17291 (*xorqi_cc_1): Renamed from xorcqi_1.
17292 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17293 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17295 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17297 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17298 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17300 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17302 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17303 climb up the chain of insns.
17305 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17307 * genrecog.c (write_subroutine): Careful for null trees.
17308 (process_tree): Don't elide empty functions.
17310 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17312 * Makefile.in (genrtl.o): Depend on ggc.h.
17313 * configure.in (valloc): Probe for it.
17314 (with-gc): Use ggc-page if valloc present.
17315 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17316 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17317 (ggc_alloc_string): Moved from ggc-page.c.
17318 * ggc-none.c (ggc_alloc_obj): New.
17319 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17320 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17321 (struct globals): Likewise for dev_zero_fd.
17322 (init_ggc): Likewise for it's initialization.
17323 (ggc_allocated_p): Move careful dereference from ...
17324 (ggc_lookup_page_table): ... here. Delete.
17325 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17326 (alloc_anon): Use valloc if no mmap.
17327 (release_pages): Use free if using valloc.
17328 (ggc_alloc_obj): Renamed from alloc_obj.
17329 (ggc_set_mark): Renamed from mark_obj.
17330 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17331 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17332 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17333 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17334 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17335 (ggc_collect): Use fp printing instead of our own rounding.
17336 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17337 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17338 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17339 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17340 (struct ggc_string, struct ggc_any): Delete.
17341 (offsetof): Provide default definition.
17342 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17344 (struct ggc_mem): New, from corpse of ggc_any.
17345 (struct ggc_status): Delete.
17346 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17347 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17348 (n_strings_collected, n_anys_collected): Delete.
17349 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17350 (ggc_alloc_string, ggc_alloc): Delete.
17351 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17352 (ggc_free_string, ggc_free_any): Delete.
17353 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17354 (ggc_compare_addresses, ggc_mark_string): Delete.
17355 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17356 (search_data): Delete.
17357 (struct globals): New.
17358 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17359 (tree_insert, tree_lookup): New.
17360 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17361 (clear_marks, sweep_objs): New.
17362 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17363 (init_ggc): Set allocated_last_gc.
17364 (ggc_push_context): Gut. Use G.context.
17365 (ggc_pop_context): Likewise.
17366 (ggc_pop_context_1): New.
17367 (debug_ggc_tree): New.
17368 (debug_ggc_balance, tally_leaves): New.
17369 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17370 (ggc_mark_string_if_gcable): Remove decl.
17371 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17372 (ggc_mark_rtvec_children): New.
17373 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17374 (ggc_mark_if_gcable): New decl.
17375 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17376 (ggc_alloc_tree, ggc_alloc): Likewise.
17377 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17378 (ggc_alloc_obj): New decl.
17379 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17380 (ggc_alloc_tree, ggc_alloc): Likewise.
17381 (ggc_set_mark): New decl.
17382 * rtl.h (struct rtx_def): Remove gc_mark.
17383 (struct rtvec_def): Likewise.
17384 * tree.h (struct tree_common): Likewise.
17386 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17388 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17389 float_format and thread_file definitions.
17390 * configure: Rebuilt.
17392 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17394 * extend.texi (Function Names): Document types of function names.
17396 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17398 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17399 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17401 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17403 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17405 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17407 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17409 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17411 * collect2.c (main): Do prelimnary link on AIX if rflag.
17413 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17415 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17416 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17418 (__do_global_dtors): similarly for __DTOR_LIST__.
17420 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17421 Diego Novillo <dnovillo@cygnus.com>
17423 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17426 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17428 * fixincl/*: Merged "no_bogosity" branch
17429 * fixincl/fixlib.h: protect against doubly defining t_bool
17430 * fixincl/server.h: protect against doubly defining t_bool
17432 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17434 * genoutput.c: Include toplev.h.
17436 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17438 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17440 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17441 * configure: Regenerate.
17443 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17445 * gcse.c (delete_null_pointer_checks): Returns void.
17447 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17449 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17450 * emit-rtl.c (copy_insn_1): Likewise.
17452 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17454 * config/mips/mips.c (mips_build_va_list): Correct
17455 TREE_CHAIN setting when hard-float.
17456 (mips_va_start): Use corrected setting.
17457 (mips_va_arg): Likewise. Also pass a tree to build of
17458 POSTINCREMENT_EXPR rather than a naked 'int'.
17460 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17462 * ggc.h (ggc_push_context): Fix comment.
17463 (ggc_pop_context): Likewise.
17464 (mark_string_if_gcable): Likewise.
17465 * ggc-common.c (ggc_mark_rtx_children): Use
17466 ggc_mark_string_if_gcable.
17467 * ggc-page.c (ggc_lookup_page_table): New function.
17468 (ggc_allocated_p): Likewise.
17469 (mark_obj): Fix formatting.
17470 (ggc_mark_string_if_gcable): New function.
17471 * ggc-simple.c (ggc_allocated_strings): New variable.
17472 (ggc_strings_used): Likewise.
17473 (ggc_compare_addresses): New function.
17474 (ggc_pop_context): Pop the `any' memory too.
17475 (ggc_mark_string_if_gcable): New function.
17476 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17478 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17480 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17481 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17482 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17485 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17487 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17488 (sched_reg_live_length, sched_reg_basic_block): Delete.
17489 (current_block_num, bb_live_regs, old_live_regs): Delete.
17490 (dead_notes, struct sometimes): Delete.
17491 (sched_note_set, birthing_insn_p): Delete.
17492 (adjust_priority): Gut useless reg lifetime code.
17493 (create_reg_dead_note, attach_deaths): Delete.
17494 (attach_deaths_insn, new_sometimes_live): Delete.
17495 (finish_sometimes_live): Delete.
17496 (find_pre_sched_live, find_post_sched_live): Delete.
17497 (update_reg_usage): Delete.
17498 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17499 (schedule_insns): Delete reg lifetime code.
17500 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17501 (unlink_other_notes): Adjust REG_NOTE commentary.
17502 (reemit_notes): Use REG_SAVE_NOTE.
17503 (schedule_block): Likewise.
17504 (schedule_region): Allocate bitmap of blocks in region. Use
17505 count_or_remove_death_notes. Use update_life_info.
17507 * rtl.h (REG_SAVE_NOTE): New.
17508 * rtl.c (reg_note_name): Update.
17510 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17512 * combine.c (refresh_blocks, need_refresh): New.
17513 (combine_instructions): Allocate refresh_blocks. Invoke
17514 update_life_info if needed.
17515 (distribute_notes): Mark refresh_blocks instead of installing
17517 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17518 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17520 * Makefile.in (recog.o): Depend on basic-block.h.
17522 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17524 * genrecog.c (add_to_sequence): Thinko last change: delete
17525 shadowing allow_const_int variable.
17527 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17529 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17530 __GNUC__ and __GNUC_MINOR__.
17532 * gansidecl.h: Likewise.
17538 * toplev.h: Likewise.
17540 * tree.c: Likewise.
17542 * tree.h: Likewise.
17544 * varray.c: Likewise.
17546 * varray.h: Likewise.
17548 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17550 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17551 use one before a jump table.
17553 * rtl.def (ADDRESS): Change documentation to match reality.
17554 * md.texi: Don't document it.
17555 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17558 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17560 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17562 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17563 known predicate block; default allow_const_int true.
17564 (debug_decision_list): New.
17566 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17568 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17570 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17572 * gcse.c (gcse_main): Avoid global optimizations if we have a
17573 large number of basic blocks and the ratio of edges to blocks
17575 (delete_null_pointer_checks): Likewise.
17577 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17579 * c-common.c (check_format_info): Warn if format string isn't a
17582 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17584 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17585 * configure: regenerate
17587 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17589 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17590 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17591 (peepholes): Re-enable.
17593 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17595 * Makefile.in (flow.o): Depend on TREE_H.
17596 * basic-block.h (REG_SET_EQUAL_P): New.
17597 (XOR_REG_SET): New.
17598 (n_edges): Declare.
17599 (free_regset_vector): Remove declaration.
17600 (flow_delete_insn_chain): Declare.
17601 (enum update_life_extent): New.
17602 (update_life_info, count_or_remove_death_notes): Declare.
17603 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17604 Verify register live at bb->global_live_at_start before adding USE.
17605 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17606 (CLEAN_ALLOCA): New.
17608 (PROP_*): New flags.
17609 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17610 (clear_edges): Zero n_edges.
17611 (make_edge): Increment n_edges.
17612 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17613 (flow_delete_insn_chain): Export.
17614 (delete_block): Decrement n_edges.
17615 (merge_blocks_nomove): Likewise.
17616 (life_analysis): Give life_analysis_1 PROP flags.
17617 (verify_wide_reg_1, verify_wide_reg): New.
17618 (verify_local_live_at_start): New.
17619 (update_life_info): Rewrite to call into propogate_block.
17621 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17622 always mark stack pointer. Conditionally mark PIC register.
17623 After reload, mark call-saved registers, return regsiters.
17624 (life_analysis_1): Accept PROP flags not remove_dead_code.
17625 Call mark_regs_live_at_end before zeroing regs_ever_live.
17626 Use calculate_global_regs_live. Copy global_live_at_end before
17627 calling final propagate_block. Zero reg_next_use on exit.
17628 (calculate_global_regs_live): New.
17629 (allocate_bb_life_data): Don't allocate bb->local_set.
17630 (init_regset_vector, free_regset_vector): Remove.
17631 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17632 Test flags before every operation. Warn if prologue/epilogue insn
17633 would have been deleted.
17634 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17635 Use alloc_EXPR_LIST.
17636 (mark_used_regs): Accept and use FLAGS, not FINAL.
17637 Remove special handling for RETURN.
17638 (try_pre_increment): Use alloc_EXPR_LIST.
17639 (dump_flow_info): Dump n_edges.
17640 (unlink_insn_chain, split_hard_reg_notes): Remove.
17641 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17642 (find_insn_with_note, new_insn_dead_notes): Remove.
17643 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17644 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17645 (replace_insns): Remove.
17646 (count_or_remove_death_notes): New.
17647 (verify_flow_info): Abort on error after all checks.
17648 (remove_edge): Decrement n_edges.
17649 (remove_fake_edges): Tweak format.
17650 * haifa-sched.c (schedule_insns): Use split_all_insns.
17651 * output.h (update_life_info): Remove declaration.
17652 * recog.c (split_all_insns): From the corpse of split_block_insns,
17653 do the whole function block by block. Use update_life_info.
17654 (recog_last_allowed_insn): New.
17655 (recog_next_insn): Mind it.
17656 (peephole2_optimize): Set it. Walk backwards through blocks.
17657 Use update_life_info.
17658 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17659 (split_all_insns): Declare.
17660 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17661 Use split_all_insns.
17663 * i386.md (or -1 peep2s): Disable.
17665 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17667 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17668 a single pattern. Scrap the 'd' versions as unnecessary.
17670 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17671 tablejump_mips162,tablejump_internal4): The operands to a
17672 label_ref must be VOIDmode.
17674 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17676 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17678 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17680 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17682 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17684 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17685 cache every function if ggc_p.
17687 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17689 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17690 instead of copy_rtx. Accept sequences that contain asm statements.
17691 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17692 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17693 orig_asm_operands_vector, copy_asm_operands_vector,
17694 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17696 * rtl.h (copy_insn, copy_insn_1): Declare.
17698 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17700 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17702 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17703 arguments to `current_file_function_operand'.
17705 * genrecog.c: Include hard-reg-set.h and resource.h in the
17706 generated output file.
17708 * real.c: Include tm_p.h.
17710 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17712 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17715 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17717 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17718 before the fctiwz insn.
17720 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17721 Mark Mitchell <mark@codesourcery.com>
17723 * tree.c (make_lang_type_fn): New funtion pointer.
17724 (make_lang_type): Call it.
17725 * tree.h (make_lang_type): Declare.
17726 (make_lang_type_fn): Likewise.
17727 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17729 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17731 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17732 make sure that HIGH instructions are copied into BASE_REGS.
17734 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17736 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17738 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17740 * c-decl.c (finish_struct): Use simpler method of
17741 removing elements of a singly-linked list.
17743 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17745 * alpha.md (peephole2's): Comment out peephole2's that generate
17748 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17750 * genrecog.c (add_to_sequence): Disable mode check for
17753 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17755 * ggc-simple.c (init_ggc): Set empty_string.
17757 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17759 * configure.in: Detect mmap. Add --with-gc=foo to select
17760 garbage collector; default to page if mmap available.
17761 * Makefile.in (GGC): Substitute.
17763 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17765 * c-decl.c (ggc_p): Enable.
17767 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17769 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17771 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17773 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17774 string for little-endian-data.
17776 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17778 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17779 case somebody tries to compile --enable-checking code with gcc
17782 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17784 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17787 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17789 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17790 * jump.c (jump_optimize_1): Document why.
17792 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17794 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17795 pointers and casts for `int_handler' and `quit_handler'.
17797 * flow.c (verify_flow_info, split_hard_reg_notes,
17798 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17799 remove_edge, remove_fake_successors): Add static prototypes.
17800 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17801 (mark_set_1): Initialize variable `regno'.
17802 (unlink_insn_chain): Likewise for variable `curr'.
17803 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17805 * loop.c (strength_reduce): Initialize variable
17806 `unrolled_insn_copies'.
17807 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17808 prototypes. Change these functions to take const PTR parameters
17809 to avoid prototype conflict when used as the comparson argument
17811 (check_dbra_loop): Initialize variable `comparison_val'.
17813 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17814 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17815 (find_valid_class): Initialize variable `best_class'.
17816 (find_reloads): Call memcpy, not bcopy.
17818 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17819 (hard_reg_use_compare): Don't needlessly cast away const.
17820 (reload_reg_class_lower): Likewise.
17821 (choose_reload_regs): Initialize variable `regno'.
17823 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17825 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17827 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17829 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17830 ({,d}discard): Add forward declarations. Declare parameter as
17832 (main_without_main): Explicitly declare return type to be int.
17833 (memcpy): Properly declare.
17835 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17836 building the trampoline support, declare malloc, free, and
17838 (__clear_cache): Mark arguments as potentially unused.
17840 * frame.c (toplevel): If inhibit_libc is defined, declare
17843 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17845 * flow.c (make_edge): Accept an optional 2D bitmap in which
17846 to cache edge existence. Update all callers.
17847 (make_label_edge, make_eh_edge): Pass through the edge cache.
17848 (make_edges): Provide the cache.
17850 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17852 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17854 (local_mbtowc): Change the type of variable `i' from int to size_t.
17856 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17857 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17859 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17861 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17862 after other includes that define the appropriate types. Include
17863 tm_p.h for getting user prototypes.
17864 * ggc-callbacks.c (toplevel): Ditto.
17865 * ggc-none.c (toplevel): Ditto.
17866 * gcc-page.c (toplevel): Ditto.
17867 * ggc-simple.c (toplevel): Ditto.
17869 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17870 Jonathan Larmour <jlarmour@cygnus.co.uk>
17872 * config/mips/mips.c (mips_move_2words): Split doubles if
17873 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17875 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17877 * genrecog.c (struct decision_test): New.
17878 (struct decision): Remove test-related members, sort the rest by size.
17879 (IS_SPLIT): Simplify.
17880 (new_decision, new_decision_test): New.
17881 (add_to_sequence): Use them. No special handling for args of
17883 (maybe_both_true): Renamed from not_both_true; return sense changed.
17884 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17885 of maybe_both_true and adjusted for decision_test.
17886 (position_merit): Remove.
17887 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17888 (merge_accept_insn): New, broken out of merge_trees.
17889 (merge_trees): Use them. No special case for c_test; no node
17890 splitting; use test type instead of position_merit.
17891 (factor_tests): New.
17892 (simplify_tests): New.
17893 (break_out_subroutines): Don't write code now.
17894 (find_afterward): New.
17895 (write_afterward, write_switch, write_cond): New.
17896 (write_action, is_unconditional): New.
17897 (write_node): New. Use them.
17898 (write_tree_1): Rewrite. Use the new functions above.
17899 (write_tree): Remove afterward processing.
17900 (write_subroutine): Simplify function variant emission.
17901 (write_subroutines): New.
17902 (same_codes, clear_codes): Remove.
17903 (same_modes, clear_modes): Remove.
17904 (write_header): New, broken out of main.
17905 (make_insn_sequence): Use new_decision and new_decision_test.
17906 (process_tree): New, broken out of main.
17907 (main): Adjust for merge_trees interface change.
17908 Don't #define operands in the output file.
17909 (record_insn_name): New, broken out of make_insn_sequence.
17910 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17911 (debug_decision): New.
17913 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17915 * resource.c (find_free_register): Mark class_str argument const.
17916 * resource.h: Update prototype to match.
17918 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17919 * i386.md: Give all anonymous insns names.
17921 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17923 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17926 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17928 * toplev.c (dbr_sched_time): Unconditional.
17929 (peephole2_time): New.
17930 (compile_file): Add pass numbers to all of the dump file suffixes.
17931 Dump peephole2_time. Don't dump times for non-applicable passes.
17932 (rest_of_compilation): Add pass numbers to dump file suffixes.
17933 Conditionalize calls to the scheduler.
17934 * invoke.texi: Update.
17936 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17938 * flow.c (make_edges): Fix insn iteration.
17939 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17940 (find_basic_blocks_1): Fix spelling mistake.
17942 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17944 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17945 always have side-effects. Use memset not bzero.
17946 (make_node): Likewise.
17948 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17950 * stmt.c (expand_anon_union_decl): When any of the elements of the
17951 union is addressable, so is the entire union.
17953 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17955 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17957 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17958 * bitmap.c (bitmap_operation): Return true iff TO changed.
17959 (bitmap_equal_p): New.
17960 (bitmap_bit_p): Tidy arithmetic.
17961 (debug_bitmap_file): Likewise.
17963 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17965 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17966 before cse2 instead of after.
17968 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17970 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17973 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17975 * cppinit.c (is_idchar initializer): Loosen tests to accept
17978 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17980 * mips.md: Define conditional move patterns for floating point
17981 operands and DI mode conditions.
17983 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17985 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17986 always have side-effects.
17988 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17990 * mn10200.c (asm_file_start): Fix typo.
17992 * cppinit.c (is_idchar initializer): Tighten tests for when
17993 to put the table into initialized memory.
17995 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17996 not an array of rtunion.
17997 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17998 * gcc-simple (ggc_free_rtvec): Similarly.
18000 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18003 * mbchar.h: Add missing #endif.
18005 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18006 (FPBIT, DPBIT): Define.
18008 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18010 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18012 * profile.c (instrument_arcs, output_gcov_string,
18013 tablejump_entry_p): Add static prototypes.
18014 (output_gcov_string): Constify a char*.
18016 * regmove.c (replacement_quality, fixup_match_2): Add static
18019 * resource.h (reg_dead_p): Add extern prototype.
18021 * rtl.c (trim_filename): Add static prototype.
18023 * scan-decls.c (skip_to_closing_brace): Likewise.
18025 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18026 (expand_end_case): Initialize variable `range'.
18027 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18029 * varasm.c (asm_emit_uninitialised): Add static prototype.
18030 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18033 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18035 * cpplib.c (if_directive_nameo): Add static prototype.
18037 * cse.c (cse_insn): Remove unused variable `p'.
18039 * except.c (create_rethrow_ref, push_entry,
18040 receive_exception_label, new_eh_region_entry, find_func_region,
18041 clear_function_eh_region, process_nestinfo): Add static prototypes.
18042 (get_reg_for_handler): Hide definition.
18043 (process_nestinfo): Initialize variable `extra_handlers'.
18045 * expr.h (expand_builtin_longjmp): Add extern prototype.
18047 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18049 * function.c (prepare_function_start): Likewise.
18050 (pop_function_context_from): Mark parameter `context' with
18052 (push_temp_slots_for_block, flush_addressof): Hide definition.
18054 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18055 solve_program_flow_graph, calculate_branch_probs,
18056 function_summary, main, fancy_abort): Add prototypes.
18058 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18059 (add_hash): Constify a char*.
18061 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18062 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18063 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18065 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18067 * lists.c (free_list, zap_lists): Likewise.
18069 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18071 * alias.c (nonlocal_reference_p): Add static prototype.
18073 * bitmap.c (bitmap_element_allocate): Prototype args in function
18076 * builtins.c (stabilize_va_list): Add static prototype.
18077 (expand_builtin_va_arg): Constify a char*.
18079 * c-lex.c (getch, put_back, extend_token_buffer_to,
18080 read_line_number, token_getch, token_put_back): Add static
18083 * c-parse.gperf (hash, is_reserved_word): Likewise.
18085 * cccp.c (is_dir_separator): Likewise.
18087 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18089 * graph.h: New file to prototype functions exported by graph.c.
18091 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18093 * graph.c: Include graph.h.
18095 * toplev.c: Likewise. Remove redundant prototypes.
18097 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18099 * invoke.texi: Removed duplicated description for -Q.
18101 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18103 * extend.texi: Grammar fix in __extension__ text.
18105 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18107 * md.texi (define_peephole2): New section.
18109 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18111 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18112 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18115 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18117 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18119 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18121 * i386.md (ffs expander): Emit Pentium friendly code for
18124 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18126 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18128 (build1): Likewise.
18130 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18132 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18134 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18136 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18137 register is in use.
18139 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18141 * md.texi (No Constraints): Delete section.
18142 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18143 * final.c (final_scan_insn): We always have register constraints.
18144 * genattrtab.c: Don't include "insn-config.h".
18145 (write_attr_case): We always have register constraints.
18146 * genconfig.c (register_constraint_flag): Delete.
18147 (walk_insn_part): Don't check whether we have register constraints.
18148 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18149 * genoutput.c (have_constraints): Delete.
18150 (main): Don't set it.
18151 (output_operand_data): We always have constraints.
18152 (scan_operands): Likewise.
18153 (compare_operands): Likewise.
18154 * local-alloc.c (block_alloc): We always have constraints.
18155 (requires_inout): Always compile this function.
18156 * recog.c (extract_insn): We always have constraints.
18157 (constrain_operands, reg_fits_class_p): Always compile these
18159 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18161 (struct insn_operand_data): Likewise.
18162 * regclass.c (regclass): We always have constraints.
18163 (record_reg_classes, copy_cost, record_address_regs,
18164 auto_inc_dec_reg_p): Always compile these functions.
18165 * regmove.c (regmove_optimize): We always have constraints.
18166 * reload.c (find_reloads): Likewise.
18167 * reload1.c (reload): Likewise.
18168 (reload_cse_simplify_operands): Likewise.
18169 * i860.c (output_delay_insn): Likewise.
18171 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18173 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18175 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18177 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18178 for the va_list record.
18180 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18182 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18185 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18187 * alias.c: Include insn-flags.h.
18188 * Makefile.in (alias.o): Update.
18190 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18192 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18193 to LTU and GEU. Handle more cases using sbb.
18195 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18197 * i386.md (truncatexfdf splitters): Do not use subreg.
18198 (fop XFmode patterns): Fix mode in operand testing.
18200 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18202 * jump.c (jump_optimize_1): Amend last change to test only the
18203 form of the operand, not the insn.
18205 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18206 not register_operand to determine when B may need preloading.
18208 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18210 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18211 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18212 (call-value patterns): Move to end of file.
18213 (*): Remove mode from label_ref in (pc) context.
18214 (movstrqi): Use memory not general_operand for BLKmode operands.
18215 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18216 to register_operand operands.
18217 (peep2 patterns): Convert from commented-out peephole patterns.
18219 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18221 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18222 to BUILT_IN_INIT_DWARF_REG_SIZES.
18223 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18224 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18225 expand_builtin_init_dwarf_reg_sizes.
18226 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18227 with __builtin_init_dwarf_reg_size_table.
18228 * dwarf2out.c (struct reg_size_range): Delete.
18229 (expand_builtin_init_dwarf_reg_sizes): New function.
18230 (expand_builtin_dwarf_reg_size): Delete.
18231 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18232 (expand_builtin_dwarf_reg_size): Don't declare.
18233 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18234 (dwarf_reg_size_table): New.
18235 (init_reg_size_table): New function.
18236 (copy_reg): Use dwarf_reg_size_table.
18237 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18240 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18242 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18243 Correctly build argument list to constructor and destructor functions.
18245 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18247 * c-tree.h (warn_float_equal): Declare.
18248 * c-decl.c (warn_float_equal): Define.
18249 (c_decode_option): Recognize -W[no-]float-equal.
18250 * c-typeck.c (build_binary_op): Conditionally warn
18251 about equality tests of floating point types.
18252 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18253 * invoke.texi: Add docs for -Wfloat-equal warning.
18255 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18257 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18258 generating RTL directly.
18259 * mips.h (INIT_TARGET_OPTABS): Likewise.
18260 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18262 * expr.h (init_mov_optab): Delete declaration
18264 * h8300.c (WORD_REG_USED): Update to avoid useless register
18265 saves in interrupt functions and functions which never return.
18267 * cse.c (struct set): Delete inner_dest_loc field.
18268 (cse_insn): Remove assignments to inner_dest_loc field.
18270 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18272 * ggc-page.c: Don't include <unistd.h> etc taken care of
18273 by "system.h". Include <sys/mman.h> afterward.
18275 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18277 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18280 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18282 * xcoffout.c (xcoffout_declare_function): Add documentation.
18283 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18284 TARGET_64BIT. Compare constant to -1, not bit pattern.
18285 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18286 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18289 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18291 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18292 origin_die is NULL.
18293 (gen_inlined_enumeration_type_die): Do not abort if the type has
18294 not been writeen out.
18295 (gen_inlined_structure_type_die): Do not abort if the type has
18296 not been writeen out.
18297 (gen_inlined_union_type_die): Do not abort if the type has
18298 not been writeen out.
18299 (gen_tagged_type_instantiation_die): Do not abort if the type
18300 has not been written out.
18302 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18304 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18306 * reg-stack.c (straighten_stack): Copy hard reg set with
18309 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18311 * builtins.c (stabilize_va_list): Stabilize array type va_list
18312 to a pointer type, not the base record type.
18313 (expand_builtin_va_copy): Dereference the pointers explicitly;
18314 use the correct size for the copy.
18316 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18317 (rs6000_va_arg): Likewise.
18319 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18321 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18323 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18325 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18327 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18329 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18331 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18332 (init_ggc): Use it instead of a constant.
18333 (ggc_collect): Bound allocated_last_gc by it.
18335 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18337 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18340 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18342 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18343 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18344 * configure: Regen.
18345 * config/mips/openbsd.h: New, OpenBSD little endian target.
18346 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18347 * config/mips/xm-openbsd.h: New, OpenBSD host.
18349 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18351 * config/m68k/m68k.c (output_function_prologue,
18352 output_function_epilogue): Use
18353 current_function_uses_pic_offset_table instead of regs_ever_live
18354 to decide whether to save/restore pic register.
18355 (legitimize_pic_address): Don't modify regs_ever_live any more.
18357 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18359 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18360 * stor-layout.c (variable_size): Don't add sizes to the pending
18361 sizes list if x_dont_save_pending_sizes_p is set.
18363 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18365 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18366 for symbolic_operand().
18367 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18369 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18371 * combine.c (gen_rtx_combine): Add missing call to va_end().
18373 * final.c (asm_fprintf): Likewise.
18375 * genattrtab.c (attr_rtx): Likewise.
18377 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18379 * cse.c: Update comments.
18380 (cse_insn): When converting a conditional/computed jump into
18381 an unconditional jump, always make sure a BARRIER immediately
18382 follows the converted jump. Do not delete unreachable code.
18383 (cse_basic_block): Do not delete unreachable code.
18384 * toplev.c (rest_of_compilation): Move call to
18385 delete_trivially_dead_insns after the conditional call to
18388 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18390 * collect2.c (make_temp_file): Don't prototype.
18392 * gcc.c (make_temp_file): Likewise.
18394 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18396 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18398 * varasm.c (asm_emit_uninitialised): New function: Generate
18399 the assembler statements necessary to declare an uninitialised
18401 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18403 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18404 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18406 (assemble_variable): Use asm_emit_uninitialised to emit an
18407 uninitialised variable.
18409 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18411 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18412 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18413 <geoffk@cygnus.com>.
18415 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18417 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18418 * c-common.h (builtin_function): Don't declare.
18420 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18422 (pushdecl): Likewise.
18423 (finish_decl): Likewise.
18424 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18425 int. All callers changed.
18426 Set the builtin's DECL_BUILT_IN_CLASS.
18427 * tree.h (enum built_in_class): New.
18428 (enum built_in_function): Delete NOT_BUILT_IN.
18429 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18431 (DECL_SET_FUNCTION_CODE): Likewise.
18432 (DECL_BUILT_IN_CLASS): New macro.
18433 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18434 (struct tree_decl): Split builtin function code field into a
18436 (builtin_function): Declare.
18438 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18440 * optabs.c (init_traps): Fix typo in last change.
18442 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18444 * toplev.c (rest_of_decl_compilation): Update comment.
18446 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18448 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18449 in .sbss if appropriate.
18450 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18451 (SBSS_SECTION_ASM_OP): New macro.
18452 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18453 (EXTRA_SECTIONS): Add in_sbss.
18454 * config/mips/mips.h: Prototype sbss_section.
18456 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18458 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18461 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18463 * optabs.c (init_traps): Register trap_rtx as a GC root.
18465 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18467 * config/mips/mips.c (function_arg_pass_by_reference): Define
18468 unconditionally, since it's called unconditionally.
18470 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18472 * toplev.c (documented_lang_options): Add -fshort-wchar.
18473 * c-decl.c (c_decode_option): Likewise.
18474 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18476 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18477 * gcc.c (default_compilers): If -fshort-wchar,
18478 override __WCHAR_TYPE__.
18479 * tm.texi (C Dialect Options): Add -fshort-wchar.
18481 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18482 symbol for a variable.
18484 * cpplib.h (CPP_PREPROCESSED): New macro.
18485 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18486 we're seeing this input for a second time.
18488 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18490 * emit-rtl.c (init_emit_once): Initialize modes first.
18492 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18494 * config/i386/i386.c (pic_label_name): Change to char pointer.
18495 (global_offset_table): New variable.
18496 (load_pic_register): Fill global_offset_table if it hasn't
18497 already been done. Allocate pic_label_name dynamically.
18498 * ggc.h (empty_string): New variable.
18499 * ggc-simple.c (empty_string): Likewise.
18500 (init_ggc): Allocate empty_string and add as root.
18501 * stmt.c (digit_strings): New variable.
18502 (init_stmt): Add last_block_end_note as root. Allocate and
18503 initialize digit_strings.
18504 (expand_asm_operands): Use empty_string instead of string
18505 constant. Use digit_strings instead of string constants.
18506 * profile.c (init_arc_profiler): Allocate string with
18507 ggc_alloc_string instead of xmalloc.
18508 (output_func_start_profiler): Likewise.
18509 * c-typeck.c (digest_init): Check if init is error_mark_node.
18511 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18512 Richard Henderson <rth@cygnus.com>
18514 * ggc-page.c: New file.
18515 * Makefile.in (ggc-page.o): New.
18517 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18519 * invoke.texi: Document -fdelete-null-pointer-checks
18520 * toplev.c (flag_delete_null_pointer_checks): New.
18521 (f_options): Add entry for -fdelete-null-pointer-checks.
18522 (rest_of_compilation): Conditionalize null pointer check
18523 elimination on flag_delete_null_pointer_checks.
18524 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18526 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18528 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18529 copyright notice and special exception to GPL.
18531 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18533 * abi64.h (mips_function_value): Add prototype arguments.
18535 * mips-protos.h: New file with mips prototypes.
18537 * mips.c: Include "tm_p.h".
18538 (mktemp, lookup_name): Add prototype arguments.
18539 (extern_list, string_constant, mips_fill_delay_slot,
18540 mips_output_external, mips_output_external_libcall,
18541 mips_output_filename, mips_declare_object, function_prologue,
18542 mips_expand_prologue, function_epilogue, mips16_constant,
18543 build_mips16_function_stub, mips_output_conditional_branch):
18545 (mips_va_start): Remove unused variable `u'.
18546 (mips_va_arg): Cast value to unsigned when comparing against one.
18548 (save_restore_insns, mips_expand_prologue): Add missing arg in
18549 call to `large_int'.
18551 * mips.h: Move prototypes to mips-protos.h.
18552 (data_section, memory_address_p, rdata_section,
18553 readonly_data_section, simple_epilogue_p, text_section): Delete
18554 prototypes delcared elsewhere.
18555 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18557 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18559 * mips.md: Delete extra args in call to `mips_move_2words'.
18561 * xm-iris6.h (alloca): Add prototype argument.
18563 * genpeep.c: Include "tm_p.h" in generated output file.
18565 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18567 * basic-block.h (find_edge_index): Change parameters.
18568 * flow.c (verify_edge_list): Pass basic_block parameters to
18569 find_edge_index instead of integers.
18571 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18573 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18576 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18578 * gcc.1: Fix a formatting error.
18580 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18582 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18583 i786, mn10200, mn10300, pdp11, v850.
18585 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18587 * libgcc2.c (num_digits): Add prototype with
18588 __attribute__((const)).
18589 (__terminate): Add prototype.
18591 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18593 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18595 * alpha/alpha.c (print_operand): Fix type of `code'.
18596 (alpha_output_filename): Constify.
18597 * alpha/alpha.h: Move all function declarations ...
18598 * alpha/alpha-protos.h: ... here. New file.
18599 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18600 (SECTION_FUNCTION_TEMPLATE): Likewise.
18602 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18604 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18605 * expr.c (expand_expr): Likewise.
18606 (do_jump): Likewise.
18607 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18608 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18610 (enum can_compare_purpose): New.
18611 (can_compare_p): Adjust prototype.
18612 (prepare_cmp_insn, prepare_operand): Declare.
18613 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18614 * optabs.c (cmp_available_p): Deleted.
18615 (expand_abs): Pass ccp_jump to can_compare_p.
18616 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18617 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18618 Call can_compare_p rather than cmp_available_p.
18619 (prepare_operand): No longer static.
18620 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18621 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18622 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18623 sequence to use emit_cmp_and_jump_insns.
18624 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18626 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18628 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18629 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18630 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18631 (plus (reg) (const_int 0))
18632 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18634 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18636 * rs6000.c (expand_block_move): DImode loads and stores require
18637 word-aligned displacements. Increment address registers with
18638 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18640 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18642 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18643 is no name for the base type, rather than segfault. If we are
18644 writing out a complex integer type, use DW_ATE_lo_user.
18646 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18647 in one word or less (complex char, complex short, or on 64 bit
18648 systems complex float) to/from a hard register, copy it through
18649 memory instead of dying in gen_{real,imag}part. If we have a
18650 short complex type, prevent inlining since it allocates stack
18653 * tree.c (build_complex_type): If we are writing dwarf2 output,
18654 generate a name for complex integer types.
18656 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18658 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18659 * flow.c (remove_edge): Remove extra whitespace.
18660 (remove_fake_edges): Fix comment.
18661 (add_noreturn_fake_exit_edges): Use the correct name.
18663 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18665 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18666 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18667 (clean): Depend on INTL_CLEAN.
18668 (maintainer-clean): Adjust.
18670 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18672 * configure.in (AC_PREREQ): Bump to 2.13.
18673 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18675 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18677 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18679 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18681 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18682 (HAVE_STRINGIZE): Define.
18684 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18686 * c-parse.in: save and restore warn_pointer_arith on __extension__
18687 along with pedantic.
18688 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18689 Set the type of extension to itype rather than $<itype>1 kludge.
18690 * extend.texi (Alternate Keywords): Adjust documentation.
18691 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18693 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18695 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18696 most assembler templates.
18698 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18699 FP loads and stores.
18700 (following_call): Always return zero for the PA8000.
18701 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18702 FP loads and stores.
18703 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18705 * pa.h (BRANCH_COST): Define.
18707 * pa.md (return, return_internal): Use bve for PA2.0.
18709 * pa.md (fused multiply): Add variants which reduce height for the
18710 fused multiply, but which still generate 2 insns.
18711 (fnegabs): Similarly.
18713 * pa.md (subsi3): Turn into an expander. Create two anonymous
18714 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18715 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18717 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18719 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18721 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18722 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18724 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18727 * flow.c (record_active_eh_regions): Terminate loop after finding
18728 the last insn in the last basic block.
18730 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18732 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18734 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18736 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18738 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18740 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18741 splitting to not use output template.
18743 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18745 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18746 * config/c4x/c4x.c (c4x_va_start): New function.
18748 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18750 * genrecog.c (not_both_true): Handle correctly cases when called for
18751 tests with different positions in the insn.
18753 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18755 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18757 * system.h (HOST_PTR_PRINTF): ... to here.
18759 * mips-tfile.c: Don't include machmode.h.
18761 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18762 (mips-tfile.o): Don't depend on machmode.h.
18764 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18766 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18767 avoid conflicts with typedef struct `region' at the top level scope.
18769 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18771 * basic-block.h (basic_block): Add eh_beg, eh_end.
18772 * flow.c (entry_exit_blocks): Update.
18773 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18774 Call new functions.
18775 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18776 lists.c functions to allocate insn lists.
18777 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18779 (make_eh_edge): ... here. New.
18780 (move_stray_eh_region_notes): New.
18781 (record_active_eh_regions): New.
18782 (delete_unreachable_blocks): Split out block merging ...
18783 (try_merge_blocks): ... here. New.
18784 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18785 Dump debugging data.
18786 (merge_blocks_move_successor_nojumps): Likewise.
18787 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18789 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18791 * extend.texi (Bound member functions): Document unbound pmf
18794 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18796 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18797 has the EXIT_BLOCK as a dest.
18799 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18801 * flow.c (remove_edge): New function to remove an edge from the
18803 (remove_fake_successors): New function to remove fake successor edges.
18804 (remove_fake_edges): New function to remove all fake edges from the
18806 (add_fake_exit_edges): New function to add fake edges from all blocks
18807 with no successors to the exit block.
18808 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18809 prototypes for new functions.
18811 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18813 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18814 Use Pmode to determine whether to output .dword or .word.
18816 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18818 * tree.c (built_in_filename): New variable.
18819 (BUILT_IN_FILENAME): New macro.
18820 (init_tree_codes): Allocate built_in_filename.
18821 (make_node): Use built_in_filename instead of string constant.
18823 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18825 * configure.in: Add fr30 target.
18826 * configure: Regenerate.
18827 * config/fr30: New directory.
18828 * config/fr30/crti.asm: New file.
18829 * config/fr30/fr30.c: New file.
18830 * config/fr30/crtn.asm: New file.
18831 * config/fr30/fr30.h: New file.
18832 * config/fr30/fr30.md: New file.
18833 * config/fr30/lib1funcs.asm: New file.
18834 * config/fr30/t-fr30: New file.
18835 * config/fr30/xm-fr30.h: New file.
18837 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18839 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18840 BARRIER at the end of the successor, not the BARRIER before
18843 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18845 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18847 * stmt.c (any_pending_cleanups): Don't crash when
18848 current_function->stmt is unset.
18850 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18852 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18853 other initializations that may use it for relative offsets.
18855 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18857 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18858 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18859 * config/i386/sol2dbg.h: Removed.
18860 * config/i386/sol2gas.h: New file, to enable gas work-around.
18861 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18862 Don't use sol2dbg.h.
18863 * configure: Rebuilt.
18865 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18867 * invoke.texi (-fthis-is-variable): Remove documentation.
18869 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18871 * basic-block.h (compute_bb_for_insn): Declare.
18872 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18873 to use; set size of basic_block_for_insn directly.
18874 (find_basic_blocks): Update.
18876 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18878 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18880 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18882 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18883 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18885 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18887 * c-decl.c (c_decode_option): Extend comment.
18889 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18891 * toplev.c (progname): Make 'const char *'
18892 (flag_print_mem): Move out of main.
18893 (version_flag): Move out of main.
18894 (filename): Move out of main.
18895 (debug_args): Remove g prefix from options.
18896 (documented_lang_options): Remove cpplib specific options.
18897 (display_help): Add g prefix to debug options.
18898 (check_lang_option): Delete this function.
18899 (decode_d_option): New function: Decode -d... option.
18900 (decode_f_option): New function: Decode -f... option.
18901 (decode_W_option): New function: Decode -W... option.
18902 (decode_g_option): New function: Decode -g... option.
18903 (independent_decode_option): New function: Decode a language
18904 independent command line option.
18905 (main): Invoke lang_decode_option and then
18906 independent_decode_option on each command line option in
18909 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18911 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18912 * fold-const.c (fold_range_test): Do not try to fold the range
18913 test if the rhs or lhs has side effects.
18915 * basic-block.h (compute_flow_dominators): Declare.
18917 * gcse.c (alloc_code_hoist_mem): New function.
18918 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18919 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18920 (hoist_code, one_code_hoisting_pass): Likewise.
18921 (gcse_main): If optimizing for size, then hoist expressions
18922 computed in multiple dominated basic blocks.
18924 * gcse.c (invalid_nonnull_info): New function.
18925 (delete_null_pointer_checks): Likewise.
18926 * rtl.h (delete_null_pointer_checks): Declare.
18927 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18929 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18930 (merge-blocks_move_successor_nojumps): Likewise.
18931 (merge_blocks): Allow merging of some blocks, even if it requires
18932 physical movement of the blocks, but not if it requires new jumps.
18934 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18935 Callers and prototype changed.
18936 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18938 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18940 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18941 -YP when both -p and -pg are present. From i386/sol2.h.
18943 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18945 * Makefile.in (distclean): Delete tm_p.h.
18946 * configure.in: Create a new file, "tm_p.h", from a list in
18947 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18948 "i386/i386-protos.h".
18950 * alias.c: Include "tm_p.h".
18951 * c-typeck.c: Likewise.
18952 * calls.c: Likewise.
18954 * emit-rtl.c: Likewise.
18955 * explow.c: Likewise.
18956 * expmed.c: Likewise.
18957 * expr.c: Likewise.
18958 * final.c: Likewise.
18959 * flow.c: Likewise.
18960 * fold-const.c: Likewise.
18961 * function.c: Likewise.
18962 * gcse.c: Likewise.
18963 * global.c: Likewise.
18964 * haifa-sched.c: Likewise.
18965 * integrate.c: Likewise.
18966 * jump.c: Likewise.
18967 * local-alloc.c: Likewise.
18968 * loop.c: Likewise.
18969 * optabs.c: Likewise.
18970 * recog.c: Likewise.
18971 * reg-stack.c: Likewise.
18972 * regclass.c: Likewise.
18973 * regmove.c: Likewise.
18974 * reload.c: Likewise.
18975 * reload1.c: Likewise.
18976 * reorg.c: Likewise.
18977 * resource.c: Likewise.
18978 * stmt.c: Likewise.
18979 * stor-layout.c: Likewise.
18980 * toplev.c: Likewise.
18981 * tree.c: Likewise.
18982 * unroll.c: Likewise.
18983 * genattrtab.c (main): Make generated file include "tm_p.h".
18984 * genemit.c (main): Likewise.
18985 * genoutput.c (main): Likewise.
18986 * genrecog.c (main): Likewise.
18988 * i386.h: Delete all prototypes.
18989 * i386.c: Include "tm_p.h".
18990 (ix86_attr_length_default): Call constant_call_address_operand
18991 with correct number of arguments.
18992 * i386-protos.h: New file.
18993 * i386.md (unnamed patterns): Call constant_call_address_operand
18994 with correct number of arguments.
18995 (exception_receiver): Call load_pic_register with correct number
18998 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19000 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19002 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19004 * rtl.h (insns_safe_to_move_p): New function.
19005 * loop.c (find_and_verify_loops): Use it.
19006 * rtlanal.c (insns_safe_to_move_p): Define it.
19008 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19010 * c-pragma.c: Include ggc.h.
19011 * Makefile.in (c-pragma.o): Update.
19013 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19015 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19016 (LIB_SPEC): Likewise.
19017 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19018 Reindent -YP/-p/-pg.
19019 Copied from config/sparc/sol2.h.
19021 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19023 * c-pragma.c (mark_align_stack): New.
19024 (init_pragma): New.
19025 * c-pragma.h (init_pragma): Declare it.
19026 * c-lex.c (init_parse): Call it.
19028 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19030 * configure.in: Pick up thread library on Solaris/x86 just
19031 like on Solaris/sparc.
19032 * configure: Rebuilt.
19034 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19036 * rtl.h (global_rtx_index): New enum.
19037 (global_rtl): Change to array of rtx.
19038 (pc_rtx, cc0_rtx): Redefine accordingly.
19039 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19040 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19041 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19042 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19043 (const_int_rtx): Change to array of rtx.
19044 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19046 * emit-rtl.c (global_rtl): Change to array of rtx.
19047 (const_int_rtx): Change to aray of rtx.
19048 (gen_rtx_CONST_INT): Redefine accordingly.
19049 (init_emit_once): Allocate and initialize global_rtl. Likewise
19050 for const_int_rtx. Add both as GC roots.
19051 * genattrtab.c (global_rtl): Update declaration.
19053 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19055 * Makefile (USER_H): Add iso646.h back.
19057 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19059 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19060 zapping the LOG_LINKS of sched_before_next_call.
19062 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19063 * pa.c (insn_refs_are_delayed): Renamed from
19064 insn_sets_and_refs_are_delayed.
19066 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19068 * functiion.h (struct function): Add x_whole_function_mode_p.
19069 (retrofit_block): Declare.
19070 * function.c (retrofit_block): New function.
19071 (identify_blocks): Add assertions. Allow an incomplete set of
19072 block notes if we're still generating code for the function.
19073 * integrate.c: Include loop.h.
19074 (expand_inline_function): Call find_loop_tree_blocks to map block
19075 notes to blocks when in whole-function mode. Use retrofit_block
19076 to insert new BLOCKs for the inlined function, rather than
19078 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19079 * Makefile.in (integrate.o): Depend on loop.h.
19081 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19083 * tree.h (warn_about_unused_variables): Declare.
19084 * stmt.c (warn_about_unused_variables): New function, split out
19086 (expand_end_bindings): Here.
19088 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19090 * stmt.c (preserve_subexpressions_p): Don't crash when
19091 current_function->stmt is unset.
19093 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19095 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19096 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19097 (expand_start_target_temps): Use it.
19098 * except.c (expand_eh_region_start_for_decl): Likewise.
19099 * expr.c (expand_expr): Likewise.
19101 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19103 * fold-const.c (operand_equal_p): Pay attention to side effects.
19105 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19107 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19108 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19110 * tlink.c (scan_linker_output): Look for keywords before accepting
19111 a mangled name in quotes.
19113 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19115 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19116 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19118 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19120 * alpha.md: Revert Thu Nov 26 change that came in through the
19121 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19122 Avoid earlyclobber when possible.
19124 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19126 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19128 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19129 Define HAVE_ON_EXIT.
19131 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19133 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19134 CTYPE_CONV in all ctype macros.
19136 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19139 * cexp.y (initialize_random_junk): Likewise.
19141 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19143 * i370.c (handle_pragma): Likewise.
19145 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19147 * v850.c (override_options): Likewise.
19149 * doprint.c (_doprnt): Likewise.
19151 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19154 * fixinc/server.c (load_data): Likewise.
19156 * fold-const.c (real_hex_to_f): Likewise.
19158 * genattr.c (write_upcase, gen_attr): Likewise.
19160 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19161 write_upcase): Likewise.
19163 * genemit.c (print_code): Likewise.
19165 * genopinit.c (gen_insn): Likewise.
19167 * genpeep.c (print_code): Likewise.
19169 * genrecog.c (print_code): Likewise.
19171 * optabs.c (init_libfuncs): Likewise.
19173 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19175 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19177 (reemit_notes): Likewise.
19179 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19181 * ggc.h (ggc_root): Move to ggc-common.c.
19183 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19184 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19185 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19186 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19187 * ggc-common.c (ggc_root): Move from ggc.h.
19188 (roots): Declare, static.
19189 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19190 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19191 null or check/set mark bit.
19192 (ggc_mark_roots): New.
19193 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19195 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19197 * m32r.c: Include toplev.h.
19198 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19199 (gen_compare): Rename swap_p to must_swap to match uses.
19200 Add default abort case.
19201 (m32r_output_function_epilogue): Remove unused variables.
19202 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19203 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19204 define to empty parameter list. Update all uses.
19205 (predicate decls): Use enum machine_mode not int.
19206 * m32r.md (movsi): Call abort, not fatal_insn.
19207 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19209 1999-09-14 Andrew Haley <aph@cygnus.com>
19211 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19212 use $0 instead of 0.
19214 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19216 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19217 computation out of loop over hard regs.
19219 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19221 * function.c (identify_blocks): Don't shadow a variable in an
19223 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19224 pushdecl, or poplevel to build up the new BLOCK tree.
19225 (expand_inline_function): Likewise.
19226 (integrate_parm_decls): Likewise.
19228 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19230 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19232 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19234 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19235 * invoke.texi: Document this change.
19237 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19239 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19241 (mark_emit_status): Renamed from mark_emit_state.
19242 * except.c (mark_eh_status): Renamed from mark_eh_state.
19243 Check not null before marking.
19244 (free_eh_status): New.
19245 * expr.c (mark_expr_status, free_expr_status): New.
19246 * function.c (free_machine_status): New.
19247 (free_after_parsing): New.
19248 (free_after_compilation): Move bits to free_after_parsing; call
19249 free_eh_status, free_expr_status; zero the marked members of the
19251 (prepare_function_start): No can_garbage_collect.
19252 Call init_eh_for_function.
19253 (expand_dummy_function_end): Free up current_function state.
19254 (mark_function_status): Renamed from mark_function_state.
19255 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19256 * function.h (struct function): No can_garbage_collect.
19257 (free_machine_status, free_after_parsing): Declare.
19258 (free_eh_status, free_expr_status): Declare.
19259 * ggc.h (mark_expr_status): Declare.
19260 * stmt.c (free_stmt_status): Free the struct.
19261 (mark_stmt_status): Renamed from mark_stmt_state.
19262 (init_stmt): Don't call init_eh.
19263 (init_stmt_for_function): Don't call init_eh_for_function.
19264 * toplev.c (compile_file): Call init_eh.
19265 (rest_of_compilation): Free basic block info before ggc_collect.
19266 Call free_after_parsing; conditionally call free_after_compilation.
19267 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19268 Check not null before marking.
19269 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19271 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19273 * c-lex.c (yylex): Initialize warn.
19275 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19277 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19278 register when performing secondary reloads for the SAR register.
19280 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19282 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19283 (NOTE_BLOCK): New macro.
19284 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19285 * function.h (identify_blocks): Change prototype.
19286 * function.c (identify_blocks): Simplify.
19287 (reorder_blocks): Likewise.
19288 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19289 NOTE_INSN_BLOCK_{BEG,END}.
19290 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19291 the list of saved notes if the note isn't a
19292 NOTE_INSN_BLOCK_{BEG,END}.
19293 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19295 (reemit_notes): Adjust recreation of notes to reflect new saved
19297 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19298 printing a block note.
19299 * stmt.c (block_vector): Remove.
19300 (find_loop_tree_blocks): Simplify.
19301 (unroll_block_trees): Likewise.
19302 * tree.h (reorder_block): Change prototype.
19304 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19306 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19307 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19308 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19309 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19310 (atexit, exit): Simplify.
19311 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19312 * config/lots: Remove defns of HAVE_ATEXIT.
19314 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19316 * calls.c (precompute_arguments): Fix typo in comment.
19317 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19320 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19322 * dsp16xx.c (override_options): Fix typos in GC root registration.
19324 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19326 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19327 from config/svr4.h.
19328 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19329 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19330 (CC1_SPEC): Likewise.
19332 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19334 * genattr.c (main): Add extern prototype. Call return, not exit.
19335 * genattrtab.c (main): Likewise.
19336 * gencheck.c (main): Likewise.
19337 * gencodes.c (main): Likewise.
19338 * genconfig.c (main): Likewise.
19339 * genemit.c (main): Likewise.
19340 * genextract.c (main): Likewise.
19341 * genflags.c (main): Likewise.
19342 * gengenrtl.c (main): Likewise.
19343 * genopinit.c (main): Likewise.
19344 * genoutput.c (main): Likewise.
19345 * genpeep.c (main): Likewise.
19346 * genrecog.c (main): Likewise.
19348 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19349 * genattrtab.c (get_insn_name): Likewise.
19350 * gencodes.c (get_insn_name): Likewise.
19351 * genconfig.c (get_insn_name): Likewise.
19352 * genemit.c (get_insn_name): Likewise.
19353 * genextract.c (get_insn_name): Likewise.
19354 * genflags.c (get_insn_name): Likewise.
19355 * genopinit.c (get_insn_name): Likewise.
19356 * genpeep.c (get_insn_name): Likewise.
19358 * gencheck.c (usage): Add static prototype.
19359 * genextract.c (print_path): Constify a char*.
19360 * genopinit.c (optabs): Likewise.
19361 * genoutput.c (operand_data, data, output_predicate_decls,
19362 compare_operands): Likewise.
19363 * genrecog.c (write_tree): Add default case in switch.
19365 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19367 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19369 * print-rtl.c (get_insn_name): Remove prototype.
19371 * toplev.h (progname): Declare const.
19373 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19374 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19375 dump_sched_info, dump_local_alloc, regset_release_memory,
19376 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19377 error_with_file_and_line, error_with_decl, error_for_asm, error,
19378 fatal, warning_with_file_and_line, warning_with_decl, warning,
19379 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19380 Remove redundant prototypes.
19382 (notice, check_lang_option, report_file_and_line, vnotice,
19383 mark_file_stack): Add static prototype.
19384 (set_fatal_function): Add prototype.
19385 (vnotice, report_file_and_line, set_fatal_function,
19386 check_lang_option): Constify a char*.
19387 (main): Prototype. Call return, not exit.
19389 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19391 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19393 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19395 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19397 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19399 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19401 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19402 behave as if it's zero in all cases.
19403 (expand_function_start): Adjust call to assign_parms.
19404 * tree.h (assign_parms): Adjust prototype.
19405 * objc/objc-act.c (hack_method_prototype): Adjust call to
19408 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19410 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19411 arg_pointer_rtx fixed if the argument pointer register is
19413 (NONZERO_BASE_PLUS_P): Likewise.
19415 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19417 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19418 match_insn2 to match_insn.
19419 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19421 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19423 * Makefile.in (USER_H): Remove va-foo.h.
19425 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19426 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19427 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19428 va-spur.h,va-v850.h}: Remove.
19430 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19432 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19433 (in_return_delay): Use it instead of match_insn.
19435 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19437 * config/alpha/va_list.h (va-alpha.h): Do not include.
19438 (__gnuc_va_list): Typedef as in varargs.h.
19440 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19442 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19443 DECL_LIVE_RANGE_RTL.
19445 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19447 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19448 not NOTE_BLOCK_NUMBER.
19449 (expand_eh_region_end): Likewise.
19450 (find_exception_handler_labels): Likewise.
19451 (scan_region): Likewise.
19452 (exception_optimize): Likewise.
19453 (update_rethrow_references): Likewise.
19454 (set_insn_eh_region): Likewise.
19455 * final.c (final_scan_insn): Likewise.
19456 * flow.c (make_edges): Likewise.
19457 * integrate.c (expand_inline_function): Likewise.
19458 * print-rtl.c (print_rtx): Likewise.
19460 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19462 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19463 terms of builtin functions and types.
19465 * mips.c (mips_build_va_list): New.
19466 (mips_va_start, mips_va_arg): New.
19467 * mips.h (BUILD_VA_LIST_TYPE): New.
19468 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19470 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19471 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19472 * sh.h (BUILD_VA_LIST_TYPE): New.
19473 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19475 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19477 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19478 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19479 (struct insn_data): Likewise with n_operands, n_dups,
19480 n_alternatives, output_format.
19481 * regclass.c (scan_one_insn): Cast n_operands to int before
19482 arithmetic inside comparison.
19484 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19486 * toplev.c (compile_function): Unconditionally emit nop.
19488 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19490 * haifa-sched.c (actual_hazard): Move declaration of variable
19491 `this_cost' into the scope where it is used.
19493 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19495 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19496 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19497 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19499 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19501 * jump.c (find_insert_position): Don't declare or define unless
19502 !HAVE_conditional_arithmetic.
19503 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19505 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19507 * recog.c (offsettable_address_p): Prototype function pointer.
19508 (preprocess_constraints): Call memset, not bzero.
19510 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19511 (gcc_obstack_init): Don't declare.
19512 (fix_sizetype): Add static prototype.
19513 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19514 (tree_cons): Call memset, not bzero.
19516 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19517 definition in macro ASM_WEAKEN_LABEL.
19518 (mark_const_hash_entry): Add static prototype.
19520 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19522 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19524 * unroll.c (find_common_reg_term, subtract_reg_term,
19525 loop_find_equiv_value): Add static prototypes.
19526 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19527 (copy_loop_body): Remove unreachable break statement.
19529 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19531 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19533 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19535 Undo some changes from the gcc2 merge:
19536 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19537 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19541 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19542 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19543 initialized float-int union if the value is a NaN.
19545 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19547 * gthr-win32.h: New file.
19549 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19550 shared as a valid attribute.
19551 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19552 * extend.texi: Document `shared' variable attribute.
19554 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19556 * configure.in: Handle --enable-threads on FreeBSD.
19557 * configure: Rebuit.
19559 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19561 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19563 * configure: Rebuilt.
19565 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19566 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19567 Rosimildo DaSilva <rdasilva@connecttel.com>
19569 * configure.in (m68k-*-rtemscoff*): Added.
19570 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19571 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19572 sparc-rtems configuration.
19573 * configure.in (sparc-*-rtemself*): Added.
19574 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19575 * config/i386/rtems.h: Added comment.
19576 * config/sparc/rtemself.h: New file.
19578 * configure.in (m68k-rtemself): Added.
19579 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19580 and DWARF_DEBUGGING_INFO.
19581 * config/m68k/crti.s: New file.
19582 * config/m68k/crtn.s: New file.
19583 * config/m68k/t-crtstuff: New file.
19584 * config/m68k/rtemself.h: New file.
19586 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19587 global ctor/dtor and C++ exception handling.
19588 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19589 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19591 * config/i386/t-rtems-i386: New File.
19593 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19595 * stmt.c (expand_end_case): Return right away if the case stack is
19598 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19600 * Makefile.in (version.c): Remove rule incorrectly brought in from
19603 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19605 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19606 * msdos/top.sed: Take into account a prepended $(SHELL) to
19608 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19610 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19612 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19614 * regmove.c (fixup_match_1): Don't change an unchanging register.
19615 (stable_but_for_p): Renamed to:
19616 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19617 Changed all callers.
19619 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19621 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19622 insn from BL2 is after the insn from BL.
19624 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19626 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19627 (struct insn_data): Merge `template' and `outfun' into `output'.
19628 Add `output_format'.
19629 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19630 (struct data): Remove `outfun'; add `output_format'.
19631 (name_for_index): Remove declaration.
19632 (output_insn_data): Handle output formats.
19633 (process_template): Emit the bare array for @.
19634 (gen_expand, gen_split): Set output_format to NONE.
19635 * output.h (get_insn_template): Declare.
19636 * final.c (get_insn_template): New.
19637 (final_scan_insn): Use it.
19638 * toplev.c (compile_file): Likewise.
19640 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19641 * i860/i860.c (output_delayed_branch): Likewise.
19642 (output_delay_insn): Likewise.
19644 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19646 * rtl.c (obstack_alloc_rtx): Removed.
19648 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19650 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19652 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19654 * i386.c (call_insn_operand): Reject const_int.
19655 (expander_call_insn_operand): Use call_insn_operand.
19657 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19659 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19661 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19663 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19664 Use DImode operation.
19666 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19668 * gcc.c: Include sys/resource.h.
19669 (report_times): New flag.
19670 (execute): If report_times is set, calculate and report the
19671 CPU time consumed by each subprocess.
19673 (rus, prus): New globals.
19674 (option_map): Add --time.
19675 (display_help): Document -time.
19676 (process_command): Set report_times if -time is given.
19677 Turn off -pipe if -time is given.
19679 * invoke.texi: Document new option -time.
19681 * configure.in: Check for getrusage. Check if we have to
19682 prototype getrusage.
19683 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19684 * configure: Regenerate.
19685 * config.in: Regenerate.
19687 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19689 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19692 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19694 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19695 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19696 (nan): Return _thenan_sf or _thenan_df as appropriate.
19697 (L_thenan_sf): Define _thenan_sf.
19698 (L_thenan_df): Define _thenan_df.
19700 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19701 (DPBIT_FUNCS): Add _thenan_df.
19703 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19705 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19708 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19710 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19713 (lang_specific_driver): Don't take a function pointer parameter.
19714 All callers changed.
19716 * gcc.c: Include gcc.h.
19717 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19718 lang_specific_extra_outfiles, fatal): Don't declare.
19719 (multilib_defaults_raw): Constify.
19720 (read_specs): Call memset, rather than bzero.
19721 (main): Call return, not exit.
19722 (lookup_compiler): Call memcpy, not bcopy.
19723 (fatal): Make extern.
19725 * cppspec.c: Include gcc.h.
19726 (lang_specific_driver): Initialize variable `quote'. Constify a
19727 char*. All calls to the function pointer parameter now
19728 explicitly call `fatal'.
19730 * gccspec.c (lang_specific_driver): Include gcc.h.
19732 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19734 * arm.c (note_invalid_constants): Use recog_data.operand_type
19737 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19739 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19742 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19743 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19744 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19745 reload_secondary_in_reload, reload_secondary_out_reload,
19746 reload_secondary_in_icode, reload_secondary_out_icode,
19747 reload_reg_rtx, reload_when_needed): Delete declarations.
19748 (struct reload): New structure.
19749 (rld): Declare new array.
19750 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19751 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19752 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19753 reload_secondary_in_reload, reload_secondary_out_reload,
19754 reload_secondary_in_icode, reload_secondary_out_icode,
19755 reload_reg_rtx, reload_when_needed): Delete definitions.
19757 (whole file): Replace uses of the deleted arrays with uses of rld.
19758 * reload1.c (whole file): Replace uses of the deleted arrays with
19760 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19761 explicit loops, not with bcopy.
19763 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19765 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19766 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19767 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19768 insn_name): Delete and consolidate into new structures.
19769 (insn_operand_predicate_fn): New.
19770 (insn_output_fn): New.
19771 (insn_gen_fn): New.
19772 (struct insn_operand_data): New.
19773 (struct insn_data): New.
19775 (OUT_FCN): Update for insn_data change.
19776 * builtins.c (expand_builtin_strlen): Likewise.
19777 (expand_builtin_memcmp): Likewise.
19778 * combine.c (make_extraction, simplify_comparison): Likewise.
19779 * cse.c (canon_reg, cse_insn): Likewise.
19780 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19781 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19782 (emit_store_flag): Likewise.
19783 * expr.c (convert_move, emit_block_move): Likewise.
19784 (clear_storage, emit_push_insn, expand_increment): Likewise.
19785 (do_store_flag): Likewise.
19786 * expr.h (GEN_FCN): Likewise.
19787 (insn_gen_function): Die.
19788 * final.c (final_scan_insn): Update for insn_data change.
19789 (output_asm_name): Likewise.
19790 * function.c (fixup_var_refs_1): Likewise.
19791 * loop.c (check_dbra_loop): Likewise.
19792 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19793 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19794 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19795 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19796 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19797 * regmove.c (gen_add3_insn): Likewise.
19798 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19799 (find_reloads, find_reloads_address_1): Likewise.
19800 (debug_reload_to_stream): Likewise.
19801 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19802 * stmt.c (expand_end_case): Likewise.
19803 * toplev.c (compile_file): Likewise.
19805 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19806 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19808 * print-rtl.c (insn_name_ptr): Remove declaration.
19809 (get_insn_name): Declare.
19810 (print_rtx): Use it.
19811 * genoutput.c (insn_name_ptr): Remove.
19812 (next_operand_number): New.
19813 (struct operand_data): New.
19814 (null_operand, odata, odata_end): New.
19815 (struct data): Use struct operand_data.
19816 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19817 (get_insn_name): Renamed from name_for_index.
19818 (output_prologue): Define NO_MD_PROTOTYPES.
19819 (output_predicate_decls): Break out from output_epilogue.
19820 Iterate over the operands list.
19821 (output_operand_data): Break out from output_epilogue. Emit
19822 just the operands list.
19823 (output_insn_data): Break out from output_epilogue. Emit just
19825 (output_epilogue): Remove.
19826 (output_get_insn_name): New.
19827 (constraints, op_n_alternatives, predicates, address_p): Die.
19828 (modes, strict_low, seen): Die.
19829 (scan_operands): Take new param `d' instead of writing to
19830 seven global variables.
19831 (compare_operands): New.
19832 (place_operands): New.
19833 (validate_insn_alternatives): Update for struct data change.
19834 (gen_insn): Don't zero or copy 7 global arrays. Update for
19835 scan_operands; call place_operands.
19836 (gen_peephole, gen_expand, gen_split): Likewise.
19837 (main): Update for new output routines.
19839 * genattr.c (insn_name_ptr): Remove.
19840 (get_insn_name): New function.
19841 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19842 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19843 * genrecog.c: Likewise.
19845 * alpha.md (adddi3): Make `pattern' array static.
19847 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19849 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19850 c4x_cpu_version_string): Constify char *.
19851 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19852 c4x_cpu_version_string): Likewise.
19854 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19856 * tree.c (save_tree_status): Revert 10 Sep change.
19857 (restore_tree_status): Likewise. Call obstack_free with NULL
19858 before freeing the obstack proper.
19860 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19862 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19864 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19865 surrounding context.
19867 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19869 * tree.c (type_hash_canon): Put all types in the hash-table, when
19872 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19874 * recog.h (struct recog_data, recog_data): New.
19875 (recog_foo variables): Kill.
19876 * recog.c (recog_operand, recog_operand_loc): Kill.
19877 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19878 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19879 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19880 (recog_data): Define.
19881 (extract_insn): Update all recog_foo references to use recog_data.
19882 (preprocess_constraints, constrain_operands): Likewise.
19883 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19884 * genattrtab.c (main): Likewise.
19885 * genextract.c (main): Likewise.
19886 * genoutput.c: Likewise.
19887 * genrecog.c (write_subroutine, main): Likewise.
19888 * local-alloc.c (block_alloc): Likewise.
19889 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19890 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19891 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19892 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19893 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19894 (reload_cse_simplify_operands): Likewise.
19896 * arc/arc.c (arc_final_prescan_insn): Likewise.
19897 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19898 * h8300/h8300.c (notice_update_cc): Likewise.
19899 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19900 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19901 * mn10200/mn10200.c (notice_update_cc): Likewise.
19902 * mn10300/mn10300.c (notice_update_cc): Likewise.
19903 * romp/romp.c (update_cc): Likewise.
19904 * sparc/sparc.c (check_pic): Likewise.
19905 * v850/v850.c (notice_update_cc): Likewise.
19907 * genemit.c (main): Don't declare recog_operand.
19909 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19911 * ggc.h (rtvec_def): Forward declare.
19912 (tree_node): Likewise.
19913 (ggc_root): Define.
19915 (ggc_set_mark_rtx): Add prototype.
19916 (ggc_set_mark_rtvec): Likewise.
19917 (ggc_set_mark_tree): Likewise.
19918 * ggc-simple.c (ggc_root): Don't define.
19919 (roots): Don't declare.
19920 (ggc_mark_rtx): Remove.
19921 (ggc_mark_rtvec): Likewise.
19922 (ggc_mark_tree): Likewise.
19923 (ggc_mark_varray): Likewise.
19924 (ggc_mark_tree_hash_table_entry): Likewise.
19925 (ggc_mark_tree_hash_table): Likewise.
19926 (ggc_set_mart_rtx): New function.
19927 (ggc_set_mark_rtvec): Likewise.
19928 (ggc_set_mark_tree): Likewise.
19929 (ggc_add_root): Remove.
19930 (ggc_add_rtx_root): Likewise.
19931 (ggc_remove_tree_root): Likewise.
19932 (ggc_add_string_root): Likewise.
19933 (ggc_add_tree_varray_root): Likewise.
19934 (ggc_add_tree_hash_table_root): Likewise.
19935 (ggc_del_root): Likewise.
19936 (ggc_mark_rtx_ptr): Likewise.
19937 (ggc_mark_tree_ptr): Likewise.
19938 (ggc_mark_string_ptr): Likewise.
19939 (ggc_mark_tree_varray_ptr): Likewise.
19940 (ggc_mark_tree_hash_table_ptr): Likewise.
19941 * ggc-common.c: New file.
19942 * Makefile.in (OBJS): Add ggc-common.o.
19943 (ggc-common.o): List dependencies.
19945 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19947 * cppalloc.c (xstrdup): Use memcpy.
19948 * cpperror.c (cpp_print_containing_files): Don't use
19950 * cpplib.c (conditional_skip): Set temp->lineno.
19951 (do_endif): Make error message less obscure.
19952 (if_directive_name): New function.
19953 (cpp_get_token [case EOF]): Unwind the if stack and generate
19954 error messages for each unterminated conditional in this file.
19955 (parse_string): Do not behave differently if -traditional.
19957 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19959 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19960 va_list decomposing to pointer-type.
19961 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19962 (rs6000_va_arg): Likewise.
19964 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19966 * except.c (start_dynamic_handler): Compute size using
19967 STACK_SAVEAREA_MODE.
19969 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19971 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19972 include directory headers. Don't define strrchr. Don't provide
19973 my_* replacement functions. Prefer PTR over `pointer_type'.
19974 Don't prototype system functions. Don't redefine getopt.
19976 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19977 safe_read, safe_write, save_pointers, restore_pointers,
19978 is_id_char, in_system_include_dir, directory_specified_p,
19979 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19980 find_corresponding_lparen, referenced_file_is_newer,
19981 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19982 process_aux_info_file, identify_lineno, check_source,
19983 seek_to_line, forward_to_next_token_char, output_bytes,
19984 output_string, output_up_to, other_variable_style_function,
19985 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19986 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19987 find_static_definition, connect_defs_and_decs, add_local_decl,
19988 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19989 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19990 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19991 scan_for_missed_items, edit_file, string_list_cons): Add static
19993 (standard_exec_prefix, target_machine, target_version,
19994 default_syscalls_dir, string_list, string_list_cons, find_file,
19995 do_cleaning): Constify a char*.
19996 (safe_read, safe_write): Use PTR, not a char*.
19997 (is_id_char): Take an int, not a char.
19998 (main): Add prototype. Call return, not exit.
20000 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20002 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20003 when comparing types.
20005 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20007 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20008 (strength_reduce): Release the varrays from the no-bivs early exit.
20010 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20011 the loop over the registers.
20013 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20015 (restore_tree_status): Check that instead when freeing the obstack.
20017 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20019 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20022 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20024 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20025 operand size modifiers.
20027 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20029 * c-common.c (c_common_nodes_and_builtins): Don't build
20031 * c-common.h (enum c_tree_index and related accesor macros): Remove
20032 everything now declared in tree.h.
20033 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20034 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20035 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20036 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20037 unsigned_type_node, ptr_type_node, va_list_type_node,
20038 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20039 (init_decl_processing): Call build_common_tree_nodes and
20040 build_common_tree_nodes_2 instead of building their nodes here.
20041 Don't add roots for these nodes.
20042 * stor-layout.c (size_zero_node, size_one_node): Delete.
20043 (set_sizetype): Make a new node for bitsizetype each time.
20044 * tree.c (global_trees): New variable.
20045 (init_obstacks): Add a gc root for it.
20046 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20047 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20048 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20049 (build_common_tree_nodes): New function.
20050 (fix_sizetype): New function.
20051 (build_common_tree_nodes_2): New function.
20052 * tree.h (enum tree_index): New.
20053 (global_trees): Declare.
20054 Add accessor macros for all nodes now moved to global_trees.
20055 Delete their declarations.
20057 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20059 * c-decl.c (finish_function): When processing a nested function,
20060 push and pop GC context around rest_of_compilation.
20062 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20064 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20065 Default ix86_arch to PROCESSOR_I386.
20066 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20067 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20068 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20069 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20070 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20071 (EXTRA_SPECS): Remove deleted specs.
20073 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20075 * function.c (assign_stack_local_1): Allocate from
20076 function->x_frame_offset, not frame_offset.
20078 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20080 * ggc.h (lang_cleanup_tree): Remove.
20081 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20082 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20084 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20085 TYPE_LANG_SPECIFIC when garbage collecting.
20086 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20087 (lang_cleanup_tree): Remove.
20089 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20091 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20092 * crtstuff.c: Not here.
20093 * dwarf2out.c: Or here.
20094 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20097 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20099 * function.h (free_after_compilation): Remove decl parameter.
20100 (free_varasm_status0: Likewise.
20101 (free_emit_status): Likewise.
20102 (free_stmt_status): Likewise.
20103 (free_after_compilation): Likewise.
20104 (init_lang_status): New variable.
20105 (free_lang_status): Likewise.
20106 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20107 * function.c (init_lang_status): New variable.
20108 (free_lang_status): Likewise.
20109 (push_function_context_to): Don't set function::decl here.
20110 (free_after_copmilation): Make decl parameter implicit. Call
20111 free_lang_status if defined.
20112 (prepare_function_start): Call init_lang_status if defined.
20113 (init_function_start): Set function::decl here.
20114 * profile.c (output_func_start_profiler): Don't call pushdecl
20115 until we've actually started the function.
20116 * stmt.c (free_stmt_status): Make decl parameter implicit.
20117 * toplev.c (rest_of_compilation): Don't pass decl to
20118 free_after_compilation.
20119 * varasm.c (free_varasm_status): Likewise.
20121 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20123 * except.c (call_get_eh_context): Add root when allocating static
20126 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20128 * arm.c: Include "ggc.h".
20129 (arm_add_gc_roots): New function.
20130 (arm_override_options): Call it.
20131 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20133 * arm.md (define_asm_attributes): Add a pool_range attribute.
20135 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20137 * extend.texi (Volatiles): New node.
20139 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20141 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20142 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20143 (struct ggc_any): Replace `mark' with `magic_mark'.
20144 (ggc_alloc_string): Use memcpy, not bcopy.
20145 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20146 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20147 (ggc_free_any): New.
20148 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20149 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20150 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20151 Use IS_MARKED. Use ggc_free_any.
20153 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20155 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20157 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20159 * toplev.c (main): Always init_ggc.
20161 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20163 * except.c (find_all_handler_type_matches): Free the list if
20164 we found no matches.
20166 * combine.c (SUBST): Break out to a real function do_SUBST.
20167 (SUBST_INT): Likewise.
20168 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20169 (pre_insert): Free `inserted'.
20170 * loop.c (basic_induction_var): Always set `location'.
20172 * function.c (expand_function_end): Add initial_trampoline as a root.
20173 * rtl.h (init_varasm_once): Declare.
20174 * toplev.c (compile_file): Call it.
20175 * ggc-simple.c (ggc_mark_string_ptr): New.
20176 (ggc_add_string_root): New.
20177 (ggc_collect): Disable collection avoidance temporarily.
20178 * ggc.h (ggc_add_string_root): Declare.
20179 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20180 * optabs.c (init_libfuncs): Likewise.
20181 * varasm.c (named_section): Use ggc_alloc_string.
20182 (make_function_rtl): Likewise.
20183 (make_decl_rtl): Likewise.
20184 (assemble_static_space): Likewise.
20185 (assemble_trampoline_template): Likewise.
20186 (output_constant_def): Likewise.
20187 (force_const_mem): Likewise.
20188 (mark_const_hash_entry): New.
20189 (mark_pool_sym_hash_table): New.
20190 (mark_varasm_state): Use it.
20191 (init_varasm_once): New.
20193 * expr.h (init_one_libfunc): Declare.
20194 * optabs.c (init_one_libfunc): New.
20195 (init_optabs): Use it.
20196 * config/gofast.h: Likewise.
20197 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20198 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20200 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20202 * Makefile.in (cppexp.o): Depend on cpphash.h.
20203 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20205 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20206 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20207 redefining poisoned identifiers, etc.
20208 (do_undef): Don't allow poisoned identifiers to be undefined.
20209 (do_pragma): Add #pragma poison.
20210 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20212 * cccp.c: Add T_POISON node type.
20213 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20215 (do_define): Generalise to handle poisoned definitions,
20216 redefining poisoned identifiers, etc.
20217 (do_undef): Don't allow poisoned identifiers to be undefined.
20218 (do_pragma): Add #pragma poison.
20219 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20221 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20222 * c-pragma.h: Add ps_poison state. We now always have generic
20225 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20227 * ggc.h (ggc_alloc): New function.
20228 (ggc_mark): Likewise.
20229 * ggc-simple.c (ggc_any): New structure.
20230 (ggc_status): Add anys.
20231 (n_anys_collected): New variable.
20232 (ggc_alloc): Define.
20233 (ggc_mark): Likewise.
20234 (ggc_collect): Collect the anys.
20236 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20238 * c-decl.c (mark_binding_level): Make static to match prototype.
20240 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20242 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20244 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20246 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20247 will use into account. Expand the max width to 5.
20250 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20252 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20253 for the rtx length.
20255 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20257 * alpha.md (call value patterns): Remove the result predicates.
20259 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20261 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20264 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20266 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20267 changed from extern char *, to extern PTR. Also fix typo in
20268 NEED_DECLARATION_REALLOC test.
20270 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20272 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20274 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20275 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20276 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20277 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20279 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20281 * cccp.c (pcfinclude): Likewise.
20283 * global.c (allocno_compare): Likewise.
20285 * haifa-sched.c (rank_for_schedule): Likewise.
20287 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20289 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20291 * stupid.c (stupid_reg_compare): Likewise.
20293 * tree.c (_obstack_allocated_p): Likewise.
20295 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20297 1999-09-08 Bruce Korb autogen@linuxbox.com
20299 * Makefile.in: Give the hapless gperf user a hint about
20300 why "gperf -F" fails.
20302 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20304 * lists.c: Include ggc.h.
20306 (init_EXPR_INSN_LIST_cache): Install it.
20308 * ggc-simple.c (init_ggc): Absorb the old init.
20309 (ggc_push_context): Use xcalloc.
20310 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20311 (ggc_collect): Add [rvts] tags to the collection stats.
20313 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20315 * cccp.c (main): Fix handling of -include and -imacros options.
20317 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20319 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20321 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20323 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20326 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20328 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20329 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20330 and SET_DEST. Update comment.
20332 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20334 * config/c4x/c4x.c: Include ggc.h.
20335 (c4x_add_gc_roots): New function.
20336 (c4x_override_options): Call c4x_add_gc_roots.
20338 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20340 * defaults.h (TARGET_ESC): Move ...
20341 * system.h: ... here, where Linas had it in the first place. Silly me.
20343 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20345 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20346 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20347 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20348 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20349 * defaults.h (TARGET_ESC): Add default.
20351 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20353 * configure.in: add i370-*-openedition, i370-*-mvs and
20354 i370-*-linux targets
20356 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20358 * dsp16xxx.c: Include ggc.h
20359 (override_options): Mark GC roots.
20360 * mn10200.c: Include ggc.h.
20361 (asm_file_start): Mark GC roots.
20362 * tahoe.c: Include ggc.h.
20363 (extensible_operand): Mark GC roots.
20365 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20367 * README: Add section discussing status of ELF ABI.
20368 * i370.c: Fix misc spelling mistakes.
20369 (i370_label_scan): Updated notes, exception handling.
20370 (i370_function_prolog): Simplify ELF stack handling.
20371 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20372 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20373 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20374 * i370.md: (movdi): Add notes.
20375 (floatsidf2): Use stack not rtca for scratch float area.
20376 (iorsi3): Correct operand constraints.
20377 * x-oe: Restore TAROUTOPTS which are used by pax.
20379 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20381 * rs6000.c: Include ggc.h.
20382 (rs6000_add_gc_roots): New function.
20383 (override_options): Call it.
20385 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20387 * alpha.h (alpha_compare): New.
20388 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20389 * alpha.c: Likewise for the definitions.
20390 (alpha_emit_conditional_branch): Update for alpha_compare.
20391 (alpha_emit_conditional_move): Likewise.
20392 * alpha.md (cmpdf, cmpdi): Likewise.
20393 (setcc patterns): Likewise. Zero alpha_compare after use.
20394 (sne): Optimize (x != 0) into (0U < x).
20396 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20398 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20399 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20400 (INIT_EXPANDERS): Remove.
20401 * alpha.c: Include ggc.h.
20402 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20403 (alpha_init_machine_status, alpha_mark_machine_status): New.
20404 (override_options): Install them.
20405 (struct machine_function): Moved to alpha.h.
20406 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20407 (alpha_init_expanders): Remove.
20408 (alpha_return_addr): Adjust to use current_function->machine.
20409 (alpha_ra_ever_killed): Likewise.
20410 (alpha_expand_epilogue): Likewise.
20411 * alpha.md (eh_epilogue): Likewise.
20413 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20414 Melissa O'Neill <oneill@cs.sfu.ca>
20415 Geoffrey Keating <geoffk@cygnus.com>
20417 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20418 call-used registers (call-saved registers must still be contiguous
20419 and end with r31, of course).
20421 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20423 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20424 (self_promoting_type_p): Delete.
20425 (self_promoting_args_p): Move ...
20426 * c-common.c: ... here.
20427 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20428 (simple_type_promotes_to): New.
20429 * builtins.c (lang_type_promotes_to): New.
20430 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20431 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20432 * c-common.h: ... here.
20433 (self_promoting_args_p, simple_type_promotes_to): Declare.
20434 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20435 (grokdeclarator): Likewise.
20436 * tree.h (lang_type_promotes_to): Declare.
20438 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20440 Add some machine-dependent GC roots.
20441 * sparc.c: Include ggc.h.
20442 (sparc_add_gc_roots): New function.
20443 (mark_ultrasparc_pipeline_state): Likewise.
20444 (override_options): Call sparc_add_gc_roots.
20445 * pa.c: Include ggc.h.
20446 (pa_add_gc_roots): New function.
20447 (mark_deferred_plabels): Likewise.
20448 (override_options): Call pa_add_gc_roots.
20449 * mips.c: Include ggc.h.
20450 (mips_add_gc_roots): New function.
20451 (override_options): Use it.
20453 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20455 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20457 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20458 cpp_parse_expr): Add static prototypes.
20459 (parse_charconst): Don't cast away const-ness.
20460 (token): Constify a char*.
20462 * cppfiles.c (file_name_list, include_hash, find_include_file,
20463 finclude, initialize_input_buffer): Constify a char*.
20464 (file_cleanup, find_position): Add static prototypes.
20466 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20467 collect_expansion): Add static prototypes.
20468 (cpp_install, create_definition, monthnames): Constify a char*.
20470 * cpphash.h (cpp_install): Likewise.
20472 * cppinit.c (known_suffixes, default_include,
20473 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20474 (base_name, dump_special_to_buffer, initialize_dependency_output):
20475 Add static prototypes.
20477 * cpplib.c (my_strerror): Constify a char*.
20478 (null_underflow, null_cleanup, skip_comment, copy_comment,
20479 copy_rest_of_line, handle_directive, pass_thru_directive,
20480 get_directive_token, read_line_number, cpp_print_file_and_line,
20481 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20482 v_cpp_warning_with_line, detect_if_not_defined,
20483 consider_directive_while_skipping): Add static prototypes.
20484 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20485 cpp_pedwarn_with_file_and_line): Constify a char*.
20487 * cpplib.h (cpp_options, include_hash, progname, definition,
20488 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20489 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20490 find_include_file, deps_output, include_hash): Constify a char*.
20492 * cppmain.c (progname): Constify.
20493 (main): Add prototype. Use return, not exit.
20495 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20496 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20497 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20498 check_protection): Add static prototype.
20500 (progname, recognized_macrom, recognized_extern): Constify a char*.
20501 (main): Add prototype.
20503 * gen-protos.c (progname): Constify a char*.
20505 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20507 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20508 (init_emit_once): Add more GC roots.
20509 * except.c (mark_func_eh_entry): New function.
20510 (mark_eh_node): Mark false_label and rethrow_label.
20511 (init_eh): Add more GC roots.
20512 * function.c (free_after_compilation): Take decl as a paramter.
20513 Call free_stmt_status.
20514 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20516 * function.h (free_after_compilation): Change prototype.
20517 (free_varasm_status): Likewise.
20518 (free_emit_status): Likewise.
20519 (free_stmt_status): New function.
20520 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20521 Remove, replacing with ...
20522 (ggc_status): New structure.
20523 (ggc_chain): New variable.
20524 (init_gcc): Define.
20525 (ggc_push_context): New function.
20526 (ggc_pop_context): Likewise.
20527 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20528 (ggc_alloc_rtvec): Likewise.
20529 (ggc_alloc_tree): Likewise.
20530 (ggc_alloc_string): Likewise.
20531 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20532 (ggc_mark_tree): Give language-dependent code a chance to mark
20534 (ggc_mark_tree_varray): Handle empty arrays.
20535 (ggc_collect): Adjust for use of ggc_chain. Clear
20536 bytes_alloced_since_last_gc.
20537 * ggc.h (ggc_pop_context): New function.
20538 (ggc_push_context): Likewise.
20539 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20540 * stmt.c (free_stmt_status): New function.
20541 (init_stmt_for_function): Clear last_expr_value.
20542 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20543 Conditionalize call to ggc_collect.
20544 (main): Call init_ggc.
20545 * tree.c (push_obstacks): Do the push, even when GC'ing.
20546 (push_obstacks_nochange): Likewise.
20547 (pop_obstacks): Liekwise.
20548 * varasm.c (free_varasm_status): Take decl as a parameter.
20550 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20552 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20553 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20554 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20555 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20557 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20559 * pa/x-pa-mpeix: New file for the MPE port.
20561 * pa/quadlib.asm: New file for long double support.
20563 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20564 * configure: Rebuilt.
20566 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20568 * final.c (shorten_branches): Fix last change.
20570 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20572 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20574 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20576 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20579 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20581 * c-aux-info.c (concat): Don't define.
20583 * cccp.c (my_strerror): Likewise. All callers changed to use
20585 (do_include): Call xstrdup, not xmalloc/strcpy.
20586 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20587 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20589 * collect2.c (my_strsignal): Likewise. All callers changed to use
20591 (locatelib): Call xstrdup, not xmalloc/strcpy.
20593 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20595 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20597 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20599 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20601 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20603 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20605 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20607 (find_all_handler_type_matches): Likewise. Don't check return
20609 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20610 xmalloc, not malloc.
20611 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20613 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20614 (init_spec): Call xcalloc, not xmalloc/bzero.
20615 (set_spec): Call xstrdup, not save_string.
20616 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20617 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20618 (process_command): Call xstrdup, not save_string.
20619 (main): Call xcalloc, not xmalloc/bzero.
20621 * gcov.c (xmalloc): Don't define.
20622 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20623 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20624 (output_data): Call xcalloc, not xmalloc/bzero.
20626 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20628 * mips-tdump.c (xmalloc): Don't define.
20629 (print_symbol): Call xmalloc, not malloc.
20630 (read_tfile): Call xcalloc, not calloc.
20632 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20633 Don't define. All callers of xfree/my_strsignal changed to use
20634 free/strsignal instead.
20635 (allocate_cluster): Call xcalloc, not calloc.
20637 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20638 Fix memory leak, free allocated memory.
20640 * prefix.c (translate_name): Call xstrdup, not save_string.
20641 (update_path): Likewise.
20643 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20645 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20646 Don't define. Callers of xfree/savestring2 changed to use
20647 free/concat instead.
20649 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20650 (init_elim_table): Likewise.
20652 * resource.c (init_resource_info): Likewise.
20654 * stupid.c (stupid_life_analysis): Likewise.
20656 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20657 (open_dump_file): Call concat, not xmalloc/strcpy/...
20658 (clean_dump_file): Likewise.
20659 (compile_file): Call xstrdup, not xmalloc/strcpy.
20661 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20663 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20664 * v850.c (v850_va_arg): New.
20666 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20668 * haifa-sched.c: Tidy comments.
20670 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20672 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20673 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20674 $(out_object_file)): Depend on ggc.h.
20675 * c-common.c: Include "ggc.h".
20676 (combine_strings): If doing GC, use ggc_alloc_string.
20677 * c-decl.c: Include "ggc.h".
20678 (ggc_p): Define with value 0.
20679 (mark_binding_level): New function.
20680 (init_decl_processing): Add GC roots.
20681 (mark_c_function_context): New function.
20682 (lang_mark_false_label_stack): New function.
20683 (lang_mark_tree): New function.
20684 (lang_cleanup_tree): New function.
20685 * c-lang.c: Include "ggc.h".
20686 (lang_init): Call c_parse_init.
20687 * c-lex.c: Include "ggc.h".
20688 (check_linenum): If doing GC, don't copy filenames to permanent
20690 * c-parse.in: Include "ggc.h".
20691 (c_parse_init): New function.
20692 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20693 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20695 * except.c (mark_eh_state): Mark more state.
20696 * function.c (mark_function_state): Likewise.
20697 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20698 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20699 * toplev.c (mark_file_stack): New function.
20700 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20701 (main): Add root for input_file_stack.
20703 * i386.c: Include "ggc.h".
20704 (ix86_mark_machine_status): New function.
20705 (override_options): Set mark_machine_status.
20707 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20709 * tree.c (copy_node): Copy node contents also if doing GC.
20711 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20713 * collect2.c (scan_libraries): Fix double-thinko :-).
20715 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20717 * collect2.c (scan_libraries): Fix thinko.
20719 * cse.c (delete_trivially_dead_insns): Do not skip the last
20720 insn if it is a real insn.
20722 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20724 * Makefile.in (ggc-simple.o): Depend on hash.h.
20725 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20726 (ggc_mark_tree_varray): Likewise.
20727 (ggc_mark_tree_hash_table): Likewise.
20728 * ggc-simple.c: Include hash.h.
20729 (ggc_mark_tree_hash_table_ptr): New function.
20730 (ggc_mark_tree_hash_table_entry): Likewise.
20731 (ggc_mark_tree_hash_table): Likewise.
20732 (ggc_add_tree_hash_table_root): Likewise.
20733 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20734 rtx, when defining fields.
20736 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20738 * profile.c (output_func_start_profiler): Remove apparently
20739 nonsensical call to start_sequence.
20741 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20743 * clipper/clipper.c (clipper_va_start): Fix typos.
20745 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20746 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20747 (spur_va_arg): New stub.
20749 * configure.in: Comment out pyramid.
20751 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20753 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20754 don't conflict with the bits that win32, cygwin, and dgux
20757 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20758 Bernd Schmidt <bernds@cygnus.co.uk>
20760 * integrate.c (function_cannot_inline_p): Do not inline
20761 functions with forced labels.
20763 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20764 Bernd Schmidt <bernds@cygnus.co.uk>
20765 Mark Mitchell <mark@codesourcery.com>
20767 * Makefile.in (ggc-simple.o): Depend on varray.h.
20768 (rtl.o): Depend on ggc.h.
20769 (genattrtab.o): Depend on ggc.h.
20770 (print-tree.o): Likewise.
20771 (fold-const.o): Likewise.
20772 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20773 (make_insn_raw): Don't cache insns when GC'ing.
20774 (emit_insn_before): Likewise.
20775 (emit_insn_after): Likewise.
20776 (emit_insn): Likewise.
20777 (start_sequence): Use xmalloc to allocate the sequence_stack.
20778 (end_sequence): Add free to free it.
20779 (gen_sequence): Don't cache insns when GC'ing.
20780 (clear_emit_caches): Don't use sequence_element_free_list.
20781 (init_emit): Use xcalloc, not xmalloc+bzero.
20782 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20783 * function.c (pop_function_context_from): Use free to free the
20784 fixup_var_refs_queue.
20785 (put_reg_into_stack): Allocate it with xmalloc.
20786 * genattrtab.c: Include ggc.h.
20787 (operate_exp): Don't use obstack_free when GC'ing.
20788 (simplify_cond): Likewise.
20789 (simplify_text_exp): Likewise.
20790 (optimize_attrs): Likewise.
20791 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20793 (gencode): Generate a #include for ggc.h.
20794 * ggc-callbacks.c (ggc_p): Define it to zero.
20795 * ggc-none.c (ggc_p): Likewise.
20796 * ggc-simple.c: Include varray.h.
20797 (ggc_mark_tree_varray): New function.
20798 (ggc_add_tree_varray_root): Likewise.
20799 (ggc_mark_tree_varray_ptr): Likewise.
20800 * ggc.h (ggc_p): Declare.
20801 (varray_head_tag): Likewise.
20802 (ggc_add_tree_varray_root): Declare.
20803 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20804 inconsistencies when GC'ing.
20805 * rtl.c: Include ggc.h.
20806 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20807 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20808 (rtx_free): Don't call obstack_free when GC'ing.
20809 * toplev.c (rest_of_compilation): Call ggc_collect after every
20811 * tree.c (push_obstacks): Do nothing, if GC'ing.
20812 (pop_obstacks_nochange): Likewise.
20813 (pop_obstacks): Likewise.
20814 (make_node): Use ggc_alloc_tree when GC'ing.
20815 (copy_node): Likewise.
20816 (get_identifier): Use ggc_alloc_string when GC'ing.
20817 (build_string): Likewise.
20818 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20819 (tree_cons): Likewise.
20820 (build1): Likewise.
20821 (type_hash_canon): Don't call obstack_free when GC'ing.
20823 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20825 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20826 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20828 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20829 Bernd Schmidt <bernds@cygnus.co.uk>
20830 Mark Mitchell <mark@codesourcery.com>
20832 * Makefile.in (stor-layout.o): Depend on ggc.h.
20833 (expr.o): Depend on ggc.h.
20834 (profile.o): Depend on ggc.h.
20835 (stor-layout.o): Depend on ggc.h.
20836 * emit-rtl.c (init_emit_once): Add gc roots.
20837 * expr.c: Include ggc.h.
20838 (emit_block_move): Add gc roots.
20839 (clear_storage): Likewise.
20840 * expr.h (init_stor_layout_once): New function.
20841 * profile.c: Include ggc.h.
20842 (init_arc_profiler): profiler_label is a root.
20843 * scan.c (make_sstring_space): Trust xrealloc to function
20844 correctly with first parameter NULL.
20845 * stor-layout.c: Include ggc.h.
20846 (set_sizetype): Add gc root.
20847 (init_stor_layout_once): New function.
20848 * toplev.c (compile_file): Call it.
20850 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20851 Bernd Schmidt <bernds@cygnus.co.uk>
20852 Mark Mitchell <mark@codesourcery.com>
20854 * Makefile.in (tree.o): Depend on ggc.h.
20855 (varasm.o): Likewise.
20856 (function.o): Likewise.
20857 (stmt.o): Likewise.
20858 (except.o): Likewise.
20859 (optabs.o): Likewise.
20860 (emit-rtl.o): Likewise.
20861 * emit-rtl.c: Include ggc.h.
20862 (sequence_element_free_list): Remove, and all references.
20863 (mark_sequence): New functions.
20864 (mark_emit_state): New function.
20865 * except.c: Include ggc.h.
20866 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20867 (mark_tree_label_node): New functions.
20868 (mark_eh_state): New function.
20869 * function.c: Include ggc.h.
20870 (mark_temp_slot, mark_function_chain): New functions.
20871 (mark_function_state): New function.
20872 (init_function_once): New function.
20873 * function.h (init_function_once): New function.
20874 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20875 * ggc.h (label_node): Declare.
20876 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20877 (lang_mark_false_label_stack): New function.
20878 (mark_temp_slot): Remove declaration.
20879 (mark_function_chain): Likewise.
20880 (mark_eh_state): Adjust prototype.
20881 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20883 * optabs.c: Include ggc.h.
20884 (mark_optab): New function.
20885 (init_optabs): Add gc roots.
20886 * stmt.c: Include ggc.h.
20887 (mark_cond_nesting, mark_loop_nesting): New functions.
20888 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20889 (mark_stmt_state): New function.
20890 * toplev.c (compile_file): Call init_function_once.
20891 * tree.c: Include ggc.h.
20892 (type_hash): Move declaration earlier in file.
20893 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20894 (init_obstacks): Add gc roots.
20895 (mark_type_hash): New function.
20896 * varasm.c: Include ggc.h.
20897 (mark_pool_constant): New function.
20898 (mark_varasm_state): New function.
20900 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20902 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20904 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20906 * c-decl.c (struct language_function): Renamed from struct c_function.
20908 (c_function_chain): Delete.
20909 (push_c_function_context): New arg F. Don't warn about nested
20910 functions here. Fill LANGUAGE elt of F. Delete code to update
20911 c_function_chain. Don't call push_function_context.
20912 (pop_c_function_context): New arg F. Restore from there instead of
20913 from c_function_chain. Don't call pop_function_context. Clear out
20914 LANGUAGE field of F when done.
20915 * c-lang.c: Include "function.h"
20916 (lang_init): Initialize save_lang_status and restore_lang_status.
20917 * c-parse.in (nested_function, nested_function_notype): Warn about
20918 nested functions. Call push_function_context/pop_function_context
20919 instead of the _c_ variants.
20920 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20922 * Makefile.in (c-lang.o): Update dependencies.
20924 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20925 regno_pointer_flag, regno_pointer_align.
20926 (gen_reg_rtx): Use xrealloc to enlarge them.
20927 (free_emit_status): New function.
20928 * function.c (mark_machine_status, mark_lang_status): New variables.
20929 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20930 in some bits from assign_stack_local. All callers changed to use new
20932 (assign_stack_local): Just call assign_stack_local_1.
20933 (free_after_compilation): New function.
20934 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20935 (trampoline_address): Likewise.
20936 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20937 (prepare_function_start): Explicitly clear some more variables.
20938 * function.h (struct function): New elt can_garbage_collect.
20939 (mark_machine_status, mark_lang_status): Declare variables.
20940 (free_after_compilation, free_emit_status, free_varasm_status,
20941 init_varasm_status): Declare functions.
20942 * toplev.c (rest_of_compilation): Call free_after_compilation when
20943 done with the current function.
20944 * varasm.c (free_varasm_status): New function.
20946 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20948 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20949 (EXPAND_BUILTIN_VA_ARG): Define.
20950 * sparc.c (sparc_va_start): New.
20951 (sparc_va_arg): New.
20953 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20955 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20957 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20959 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20961 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20963 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20964 (OBJS): Add $(GGC).
20965 (ggc-callbacks.o): New target.
20966 * ggc-callbacks.c: New file.
20968 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20970 * expr.h: Collapse individual optab and libfunc vars to arrays.
20971 (optab_index, libfunc_index): New enumerations.
20972 (optab_table, libfunc_table): New arrays.
20973 Add accessor macros for both.
20975 * optabs.c (optab_table, libfunc_table): New.
20976 Delete declarations for individual optab and libfunc vars.
20978 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20980 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20982 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20984 * Makefile.in (GGC, GGC_LIB): New.
20985 (HOST_RTL): Include ggc-none.o.
20986 (ggc-simple.o): New target.
20987 (ggc-none.o): Likewise.
20988 * tree.h (tree_common): Add gc_mark.
20989 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20990 (struct rtvec_def): Add gc_mark.
20991 * emit-rtl.c (global_rtl): Update static initializers to contain
20992 enough initializers.
20993 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20994 * toplev.c (gc_time): New variable.
20995 (all_time): New variable.
20996 (compile_file): Print gc time.
20997 (print_time): Calculate percentage of the whole.
20999 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21001 Change obstack memory management and varasm constant pool handling so
21002 that nested functions are treated like any other functions.
21003 * function.c (init_machine_status): New variable.
21004 (push_function_context_to): Set contains_functions for the outer
21005 function. Don't call save_varasm_status.
21006 (pop_function_context_from): Don't call restore_varasm_status. Don't
21007 set current_function_contains_functions.
21008 (prepare_function_start): Call init_varasm_status rather than
21009 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21011 * function.h (struct function) Add field varasm. Delete fields
21012 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21013 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21014 (init_machine_status): Declare.
21015 (save_varasm_status, restore_varasm_status): Delete declarations.
21016 (save_tree_status, restore_tree_status): Delete last argument.
21017 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21018 code. All callers changed.
21019 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21020 save_constants_in_decl_trees, restore_constants, save_constants,
21021 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21023 (inlining): New variable.
21024 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21025 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21027 (save_for_inline_nocopy): Don't save constants.
21028 Don't set inl_emit field in current_function.
21029 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21030 function. Set new variable inlining before
21031 calling copy_rtx_and_substitute.
21032 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21033 constant pool references if inlining is nonzero.
21034 Delete ADDRESS and (most of the) CONST cases.
21035 (output_inline_function): Save and restore current_function/
21036 current_function_decl. Delete restore_constants code. Don't call
21037 init_const_rtx_hash_table.
21038 * output.h (init_const_rtx_hash_table): Don't declare.
21039 * rtl.h (struct function): Declare.
21040 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21041 * toplev.c (rest_of_compilation): Don't treat nested functions or
21042 functions containing them specially. Delete all code to deal with
21043 save_for_inline_copying.
21044 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21045 inline_obstacks): Delete variables.
21046 (save_tree_status): Lose arg CONTEXT. All callers changed.
21047 Simply allocate a new function_maybepermanent_obstack for the new
21048 function, delete all the special cases.
21049 Don't save inline_obstacks.
21050 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21051 Delete special handling for function_maybepermanent_obstack; simply
21053 Don't restore inline_obstacks.
21054 (permanent_allocation): Delete code that frees inline_obstacks.
21055 (print_inline_obstack_statistics): Delete function.
21056 (dump_tree_statistics): Don't call it.
21057 * varasm.c (struct varasm_status): New.
21058 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21059 last_pool, pool_offset, const_double_chain): Delete global
21060 variables, replace with accessor macros.
21061 (immed_double_const): Don't walk const_double_chain outside a
21062 function, but don't treat nested functions specially anymore.
21063 (immed_real_const_1): Likewise.
21064 (clear_const_double_mem): Don't treat nested functions specially.
21065 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21066 (save_varasm_status, restore_varasm_status): Delete functions.
21067 (init_varasm_status): New function.
21068 (force_const_mem): Don't treat nested functions specially.
21069 (find_pool_constant): Accept new arg F, search for constants in
21070 that function's pool rather than the current one. All callers
21072 (get_pool_constant_for_function, get_pool_mode_for_function): New
21075 * i386.c (init_386_machine_status): New function, mostly from
21076 clear_386_stack_locals.
21077 (struct machine_functions): Rename element names to avoid name
21079 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21080 macros, replacing global variables.
21081 (clear_386_stack_locals, save_386_machine_status,
21082 restore_386_machine_status): Delete functions.
21083 (override_options): Initialize init_machine_status.
21084 * i386.h (INIT_EXPANDERS): Delete macro.
21085 (save_386_machine_status, restore_386_machine_status,
21086 clear_386_stack_locals): Delete declarations.
21088 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21090 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21091 (doloop_begin): Simplify pattern and use emit_jump_insn.
21092 (doloop_end): Simplify pattern, switch operand order,
21093 and use emit_jump_insn.
21095 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21097 * function.h (struct function): Add new element LANGUAGE.
21098 (save_lang_status): Declare new variable.
21099 (restore_lang_status): Likewise.
21100 * function.c (save_lang_status): Define.
21101 (restore_lang_status): Likewise.
21102 (push_function_context_to): Call language-specific save function.
21103 (pop_function_context_from): Call language-specific restore function.
21105 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21107 * i386.md (movsf_1): Check REG_P before use of REGNO.
21108 (movdf_1): Likewise.
21109 (movxf_1): Likewise.
21110 (extendsfdf2): Likewise.
21111 (extendsfxf2): Likewise.
21112 (extenddfxf2): Likewise.
21114 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21116 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21117 constants into memory.
21118 (c4x_shiftable_constant): New function.
21119 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21120 (c4x_shiftable_constant): Declare.
21121 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21122 ashlqi3_noclobber): Add new patterns and associated splitters.
21124 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21126 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21127 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21128 * final.c (shorten_branches): Likewise.
21129 * global.c (global_alloc): Likewise.
21130 * haifa-sched.c (build_control_flow): Likewise.
21131 * stmt.c (check_for_full_enumeration_handling): Likewise.
21132 (estimate_case_costs): Likewise.
21134 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21136 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21138 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21140 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21141 (recompute_reg_usage): Likewise.
21142 * rtlanal.c (find_regno_fusage): Likewise.
21144 * rtl.c (rtl_check_failed_code1): New function.
21145 (rtl_check_failed_code2): New.
21146 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21147 (RTL_CHECKC1, RTL_CHECKC2): New.
21148 (XC*): New accessor macros.
21149 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21150 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21151 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21152 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21153 (TRAP_*, RANGE_INFO_*): Likewise.
21155 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21157 * Makefile.in (tlink.o): Don't depend on toplev.h.
21159 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21160 output_file, nm_file_name, ldd_file_name, strip_file_name,
21161 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21162 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21163 fork_execute, maybe_unlink, add_to_list,
21164 extract_init_priority, write_list, dump_list,
21165 dump_prefix_list, write_list_with_asm, write_c_file,
21166 write_c_file_stat, write_c_file_glob, scan_prog_file,
21167 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21168 ignore_library, extract_string, notice, dump_file, target_machine,
21169 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21170 read_file, print_load_command): Constify a char*.
21171 (fdopen, error, fatal, fatal_perror): Don't prototype.
21172 (my_strerror): Remove. All callers use xstrerror instead.
21173 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21174 (main): Add prototype. Constify lots of char* ptrs. Change calls
21175 to xcalloc/strcpy/strcat/... to one call to concat.
21176 (main, scan_prog_file, scan_libraries): Use an intermediate
21177 `const char **' to build an argv array.
21178 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21180 * collect2.h (collect_execute, collect_wait, dump_file,
21181 file_exists): Constify a char*.
21182 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21183 temporary_firstobj, vflag, debug): Add extern declarations.
21184 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21186 * tlink.c: Don't include toplev.h.
21187 (vflag, debug, ldout, c_file_name, temporary_obstack,
21188 permanent_obstack, temporary_firstobj): Don't declare.
21189 (tlink_execute, frob_extension, symbol_hash_lookup,
21190 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21191 recompile_files, read_repo_files, demangle_new_symbols,
21192 scan_linker_output): Constify a char*.
21193 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21194 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21196 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21198 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21199 (relative) rather than jsr (absolute) subroutine call insns.
21200 * config/m68k/m68k-coff.h: Ditto.
21202 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21204 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21205 now rework these too.
21206 (arm_reorg): If an insn can't reach the end of the current pool,
21207 ensure that we emit that pool before the insn.
21209 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21211 * tlink.c (scan_linker_output): Skip the initial underscore in
21212 a mangled name if appropriate.
21214 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21216 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21217 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21218 error_with_ivar, gen_declarator, create_builtin_decl,
21219 my_build_string, generate_descriptor_table, generate_ivars_list,
21220 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21221 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21222 dump_base_name, lang_decode_option, build_encode_expr,
21223 start_class, finish_class, encode_pointer, really_start_method,
21224 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21226 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21227 Add static prototypes.
21228 (build_objc_string_decl, build_selector_reference_decl,
21229 encode_bitfield, build_class_reference_decl): Remove unused
21230 parameter, all callers changed.
21231 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21232 (objc_printable_name): Likewise. Change second parameter to type int.
21233 (init_objc): Use memcpy, not bcopy, to avoid casts.
21235 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21237 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21238 reg notes on a deleted insn.
21239 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21241 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21243 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21245 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21247 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21250 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21252 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21253 * tm.texi (MD_ASM_CLOBBERS): Document it.
21255 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21257 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21258 * except.c (expand_rethrow): Remove unused variable.
21259 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21260 * flow.c (replace_insns): Likewise.
21261 (create_edge_list, verify_edge_list): Likewise.
21262 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21264 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21265 is special code to run.
21266 (main): Don't define operands to emit_operand.
21267 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21269 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21271 * alpha/alpha.h (normal_memory_operand): Declare.
21272 (reg_no_subreg_operand): Declare.
21273 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21275 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21277 * c-parse.in (compstmt_primary_start): New, broken out of first
21278 part of compstmt handling in primary.
21279 (primary): Use it. Add an error clause.
21280 (compstmt_nostart): Renamed from compstmt; remove all
21281 initial invocations of compstmt_start.
21284 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21286 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21289 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21291 * combine.c (simplify_shift_const): Remove extra semicolon.
21292 * dwarf2out.c (remove_AT): Likewise.
21293 * expmed.c (expand_mult): Likewise.
21294 * gcov.c (create_program_flow_graph): Likewise.
21295 * reorg.c (mostly_true_jump): Likewise.
21297 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21299 * fold-const.c (fold_range_test): Do not try to fold the range
21300 test if the rhs or lhs has side effects.
21302 * combine.c (simplify_rtx): Recognize another case of a synthesized
21305 * varasm.c (mark_constant_pool): When marking indirect references,
21306 only look at SYMBOL_REFs.
21308 * except.c (expand_fixup_region_end): Do not peek at
21309 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21311 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21313 * flags.h: New variables align_loops, align_loops_log,
21314 align_jumps, align_jumps_log, align_labels, align_labels_log,
21315 align_functions, align_functions_log.
21316 * toplev.c: Define them.
21317 (f_options): Handle -falign-* when they have no argument.
21318 (main): Add logic to set variables for -falign-functions,
21319 -falign-jumps, -falign-labels, -falign-loops.
21320 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21321 (display_help): Change help to match options.
21322 * final.c (LABEL_ALIGN): Default to align_labels_log.
21323 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21324 (LOOP_ALIGN): Default to align_loops_log.
21325 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21326 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21327 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21328 * varasm.c (assemble_start_function): Handle align_functions.
21330 * config/sparc/sparc.h: Don't declare sparc_align_*.
21331 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21332 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21334 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21336 * config/sparc/sparc.c: Delete sparc_align_loops,
21337 sparc_align_jumps, sparc_align_funcs and the corresponding string
21339 (sparc_override_options): Default align_functions on ultrasparc.
21340 Delete -malign-* handling.
21342 * config/mips/mips.c (override_options): On 64-bit targets,
21343 try to align code to 64-bit boundaries.
21344 (print_operand): New substitution, %~,
21345 which aligns labels to align_labels_log.
21346 * config/mips/mips.md (div_trap_normal): Use %~.
21347 (div_trap_mips16): Likewise.
21349 (absdi2): Likewise.
21350 (ffssi2): Likewise.
21351 (ffsdi2): Likewise.
21352 (ashldi3_internal): Likewise.
21353 (ashrdi3_internal): Likewise.
21354 (lshrdi3_internal): Likewise.
21355 (casesi_internal): Likewise.
21357 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21359 Merge new ia32 backend from the branch!
21361 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21362 See ChangeLog.P2 on new_ia32_branch for details.
21364 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21365 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21366 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21367 * i386/gas.h (ASM_FILE_START): Define.
21368 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21369 for name change of ix86_valid_decl_attribute_p.
21370 (i386_pe_valid_type_attribute_p): Similarly.
21372 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21374 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21375 to step through CC modes.
21377 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21379 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21380 it would end up in the shadow of a live flags regsiter.
21382 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21384 * reload1.c: Fix many indentation problems.
21385 * reload.c: Likewise.
21387 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21389 * alias.c (non_local_reference_p): Constify fmt.
21391 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21393 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21395 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21397 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21398 the internal_arg_pointer.
21400 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21402 Merge peephole2 from new_ia32_branch:
21403 * Makefile.in (STAGESTUFF): Add *.peephole2.
21404 (mostlyclean): Likewise.
21405 (recog.o): Depend on resource.h.
21407 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21408 (final_scan_insn): Likewise for the invocation of peephole.
21409 * genconfig.c (main): Look for peephole and peephole2 patterns.
21410 Emit HAVE_peephole* accordingly.
21411 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21412 * flags.h (flag_peephole2): Declare.
21413 * toplev.c: New pass peephole2. New flag -fpeephole2.
21415 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21416 * gencodes.c (main): Likewise.
21417 * genextract.c (main): Likewise.
21418 * genoutput.c (main): Likewise.
21419 * genemit.c (max_operand_1): Look for the max scratch operand.
21420 (gen_rtx_scratch): New.
21421 (gen_exp): Use it, and pass on new arg subroutine_type.
21422 (gen_expand): Take max scratch into account.
21423 (gen_split): Emit peephole2 functions.
21424 (output_peephole2_scratch): New.
21425 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21426 * genrecog.c (routine_type): Add PEEPHOLE2.
21428 (make_insn_sequence): Match outer parallel for peep2. Discard
21429 top level scratches and dups.
21430 (add_to_sequence): New args insn_type and top. Update all callers.
21431 Handle toplevel peep2 matching insns.
21432 (write_subroutine): Handle peep2.
21433 (write_tree_1): Likewise.
21434 (write_tree): Likewise.
21436 (change_state): New arg afterward. Update all callers.
21437 Handle matching separate insns.
21438 * recog.c (recog_next_insn): New.
21439 (peephole2_optimize): New.
21440 * rtl.def (DEFINE_PEEPHOLE2): New.
21441 * resource.c (find_free_register): New argument last_insn. Use it
21442 to find a register available through the entire span.
21443 * resource.h (find_free_register): Update prototype.
21445 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21447 * i386.c (output_strlen_unroll): Don't write xops[7]
21448 label if it wasn't set.
21450 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21452 * cpplib.c (struct directive): Const-ify name pointer and
21453 function pointer prototype.
21454 (validate_else, do_define, do_line, do_include, do_undef,
21455 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21456 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21457 do_warning): Const-ify second arg.
21458 (directive_table): Mark const. Reorder entries by frequency
21459 of usage, record statistics.
21461 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21463 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21464 bounds- check RTL accesses if --enable-checking.
21465 (RTVEC_ELT): Bounds check if --enable-checking.
21466 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21467 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21468 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21470 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21471 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21473 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21474 (NOTE_SOURCE_FILE): Use X0STR.
21475 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21476 MEM_ALIAS_SET): Use X0INT.
21477 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21478 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21480 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21481 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21482 (rtl_check_failed_bounds, rtl_check_failed_type1,
21483 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21485 (fancy_abort): Fix comment.
21487 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21488 (cse_insn): Decrement LABEL_NUSES for jump target before
21489 deleting jump insn.
21490 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21491 * final.c (alter_subreg): Compute regno before changing x to
21492 REG; set REGNO(x) after changing it.
21493 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21494 notes containing CONST_INTs.
21495 (delete_eh_regions): Use NOTE_EH_HANDLER.
21496 * function.c (put_reg_into_stack): Make reg a MEM before
21498 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21500 (gen_mem_addressof): Make reg a MEM before initializing it.
21501 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21503 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21504 deleting an insn, not after.
21505 (block_alloc): Only look at PATTERN(insn) if we have to, and
21506 only if it's format class 'i'.
21507 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21508 CONST_INT before using its INTVAL.
21509 * print-rtl.c (print_rtx): Use X0STR.
21510 * regmove.c (fixup_match_1): Don't look at PATTERN of
21511 non-class-'i' insn chain elements.
21512 * reload.c (loc_mentioned_in_p): Take address of
21513 in->fld[1].rtx directly.
21514 * reload1.c (reload): Change reg to a MEM before initializing
21516 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21518 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21520 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21522 * config/mips/mips.c (machine_dependent_reorg): Force a
21523 barrier to output the local constant pool if a barrier hasn't
21524 been found at a natural point in the instruction stream.
21526 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21528 * c-parse.in (language_string): Constify.
21530 * dwarf2out.c (language_string): Remove declaration.
21532 * dwarfout.c (language_string): Likewise.
21534 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21536 * tree.h (language_string, init_parse, finish_parse): Declare.
21538 * i386/sun386.h (language_string): Remove declaration.
21540 * mips.h (language_string): Likewise.
21542 * nextstep.h (language_string): Likewise.
21544 * nextstep21.h (language_string): Likewise.
21546 * rs6000.c (language_string): Likewise.
21548 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21550 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21551 (getpwd.o): Remove target.
21553 * getpwd.c: Delete file. Its in libiberty now.
21555 * dbxout.c (getpwd): Don't prototype.
21556 * dwarf2out.c (getpwd): Likewise
21557 * dwarfout.c (getpwd): Likewise
21558 * final.c (getpwd): Likewise.
21559 * protoize.c (getpwd): Likewise.
21561 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21563 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21565 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21567 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21568 mark_set_resources.
21570 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21572 * fixinc/Makefile.in (subdir): New.
21573 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21576 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21578 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21579 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21582 * invoke.texi: Fix typo.
21584 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21585 changed. Handle autoincrement addressing modes.
21587 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21588 just like we would the virtual incoming args register when
21591 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21593 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21594 path, in .file directive.
21596 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21598 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21601 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21603 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21606 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21608 * tree.c (tree_code_name): Constify a char*.
21610 * tree.h (tree_code_name, decl_printable_name): Likewise.
21612 * function.h (struct function): Likewise.
21614 * toplev.c (decl_name, decl_printable_name): Likewise.
21616 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21618 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21619 (init_objc): Remove function pointer cast.
21621 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21623 * pa.md (interspace_jump): New pattern.
21624 (builtin_longjmp): New expander.
21626 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21628 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21629 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21630 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21632 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21634 * jump.c (delete_prior_computation): Also check calls
21635 to constant functions. Don't bother checking for a
21636 REG_UNUSED note before adding it.
21637 (delete_computation): Handle multi-word hard registers
21638 when synthesizing missing REG_DEAD notes for a register
21639 which is both set and used by an insn.
21641 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21643 * loop.c (this_loop_info): New variable.
21644 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21645 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21647 (prescan_loop, strength_reduce): New argument loop_info. All callers
21649 (scan_loop): New variable loop_info, initialise to address of
21651 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21652 Delete variable loop_has_multiple_exit targets and replace with
21653 field in this_loop_info.
21654 (find_and_verify_loops): Rename this_loop to this_loop_num.
21655 (strength_reduce): Delete loop_iteration_info. Replace variable
21656 loop_info with function argument of same name.
21657 (insert_bct): Rework test for loop being completely unrolled.
21659 * loop.h (struct loop_info): New fields num, loops_enclosed,
21660 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21661 has_indirect_jump, and cont. Redefine use of unroll_number.
21662 (loop_unroll_number): Delete.
21664 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21665 field of loop_info.
21666 (loop_iterations): Delete variable vtop and instead use
21667 loop_info->vtop computed in prescan_loop.
21669 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21671 * fix-header.c (main): Do not pass a null pointer to strcmp.
21673 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21675 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21677 * configure: Rebuilt.
21679 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21681 * jump.c (jump_optimize_1): Do not delete assignments to
21682 internal_arg_pointer.
21683 * cse.c (delete_trivially_dead_insns): Always consider a set of
21684 the internal_arg_pointer live.
21686 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21688 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21689 (update_life_info) [REG_WAS_0]: Search the original insns rather
21690 than the new insns for the note. Fix typos finding note_dest.
21691 If no dest found, discard the note rather than abort.
21692 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21693 (replace_insns): Remove the old insn list after update_life_info
21696 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21698 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21699 sched_analyze_insn.
21700 (sched_analyze_1): Let add_dependence care for not adding dups.
21701 (sched_analyze_2): Likewise.
21702 (add_branch_dependences): Likewise.
21704 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21706 * i386/winnt.c (export_list): New type.
21707 (exports_head): Rename to
21708 (export_head): this.
21709 (i386_pe_record_exported_symbol): Add is_data flag.
21710 (i386_pe_asm_file_end): Emit directive for exported variables.
21711 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21713 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21714 (ASM_DECLARE_OBJECT_NAME): Likewise.
21715 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21716 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21718 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21720 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21722 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21725 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21727 * config/openbsd.h: Define SET_ASM_OP.
21728 * tm.texi: cross-reference SET_ASM_OP in the index.
21730 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21732 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21733 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21734 and class_narrowest_mode at compile time. Kill init_rtl.
21735 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21736 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21737 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21739 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21741 * rtl.h: Declare rtx_length and rtx_format as const.
21742 * machmode.def: Define CC(). Use CC() to define CCmode. If
21743 EXTRA_CC_MODES is defined, expand it here.
21744 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21745 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21746 const. Kill all references to EXTRA_CC_MODES.
21748 * toplev.c: Don't prototype or call init_rtl.
21749 * optabs.c: Don't call init_mov_optab.
21750 * genemit.c: Don't generate init_mov_optab. Don't call
21752 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21754 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21755 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21756 genrecog.c: Don't call init_rtl.
21758 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21759 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21760 definition of EXTRA_CC_MODES.
21762 * md.texi: Kill ref to EXTRA_CC_NAMES.
21763 * tm.texi: Document new way to define EXTRA_CC_MODES.
21765 * genrecog.c: Do not look up the name of a define_split.
21766 (Unrelated bugfix.)
21768 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21770 * config/v850/v850.md: Fix typo introduced by previous delta.
21772 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21774 * gcc.c (fatal): Make definition static to match prototype.
21776 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21778 * combine.c (get_last_value): Don't look for earlier sets if the last
21779 known set is somewhere in between the insns being combined.
21781 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21783 * configure.in: Don't use shell ! to negate exit codes
21784 * configure: Regenerate
21786 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21788 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21789 the fact that ALIGN is measured in bits, not bytes.
21791 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21793 * errors.c: New file; defines functions error, warning, and
21794 fatal, variables have_error and progname.
21795 * errors.h: New file; prototypes and decls for stuff in errors.c.
21797 * Makefile: Add rules to build errors.o and
21798 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21799 genopinit, genrecog, genextract, genpeep, genattr, and
21800 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21801 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21802 genpeep.o, genattr.o, and genoutput.o.
21804 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21805 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21806 define or prototype fatal. Set progname at beginning of main.
21807 * genoutput.c: Likewise, and don't define or prototype error
21810 * c-typeck.c (c_expand_start_case): Return immediately if exp
21812 * fold-const.c (operand_equal_p): Return immediately if arg1
21813 or arg0 are ERROR_MARKs.
21814 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21815 fields of type ERROR_MARK when calculating if the record can
21818 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21819 with much help from Jeffrey A Law and Richard Henderson
21821 * i386.md: In the 6 insns which call output_fix_trunc,
21822 earlyclobber operands[0].
21824 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21826 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21827 creating new registers.
21829 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21831 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21832 i386_reg_alloc_order, i386_regparm_string,
21833 i386_align_loops_string, i386_align_jumps_string,
21834 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21835 and i386_branch_cost_string as type "const char *".
21836 * i386.c: Define all above strings as type "const char *".
21838 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21840 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21841 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21843 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21845 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21846 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21848 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21850 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21851 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21852 (dwarf2out_line, dwarf2out_finish): Likewise.
21853 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21855 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21857 * tree.c (lang_unsave_expr_now) : Correct return type.
21858 * tree.h (lang_unsave_expr_now) : Same.
21860 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21862 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21863 instead of duplicating code.
21865 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21867 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21869 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21871 * tree.h: fancy_abort always takes three args.
21872 * resource.c: Move include of system.h before toplev.h.
21874 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21876 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21879 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21881 * system.h: Don't redefine abort or trim_filename.
21882 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21883 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21884 whether or not __FUNCTION__ is available.
21885 * tree.h: Duplicate rtl.h's definition of abort, for files
21886 that don't include rtl.h. Delete all code to perform type
21887 checking with a compiler other than GCC.
21888 * varray.h: Delete all code to perform type checking with a
21889 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21890 its arguments exactly once, using a statement expression.
21891 Adjust the VARRAY_<type> accessor macros to match.
21892 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21893 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21894 caller's location. Define fatal_insn and fatal_insn_not_found
21895 as macros that use _fatal_insn and _fatal_insn_not_found.
21896 (fancy_abort, trim_filename): Kill prototypes.
21898 * rtl.c (trim_filename): Move here from toplev.c.
21899 (fancy_abort): New function.
21900 (DIR_SEPARATOR): Provide default definition.
21901 * tree.c (tree_check_failed, tree_class_check_failed): Go
21902 through fancy_abort.
21903 (tree_check, tree_class_check, cst_or_constructor_check,
21904 expr_check): Delete.
21905 * varray.c (varray_check_failed): New function.
21906 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21907 _fatal_insn and _fatal_insn_not_found. Go through
21909 (trim_filename, fancy_abort): Delete.
21911 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21912 * except.c (start_catch_handler): Report ICE with error/abort
21914 * final.c (output_operand_lossage): Likewise.
21915 * flow.c (verify_flow_info): Likewise.
21917 * gcc.c: Prototype fatal.
21918 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21919 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21920 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21921 Don't define fancy_abort.
21923 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21925 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21928 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21930 * m88k.h (VERSION_INFO2): Kill.
21931 (VERSION_STRING): Kill.
21933 (VERSION_INFO1): Tidy.
21934 (TARGET_VERSION): Update.
21935 * m88k/dgux.h (VERSION_INFO2): Kill.
21936 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21937 * m88k/luna.h (VERSION_INFO1): Tidy.
21938 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21939 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21940 (output_file_start): Adjust for death of VERSION_STRING.
21942 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21944 * cpplib.c (detect_if_not_defined): New function.
21945 (do_if): Use it to detect potential once-only headers.
21947 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21949 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21951 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21953 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21954 anywere in the function only if they are pseudos and set before
21955 being used (not live at the start of the function).
21956 (num_sign_bit_copies) : Same.
21957 (get_last_value_validate) : Same.
21958 (get_last_value) : Same.
21960 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21962 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21963 where N and M are constant and N is an integer multiple of M.
21965 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21967 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21968 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21969 sbitmap_union_of_preds): Add prototypes.
21970 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21971 the intersection of successors with the new flow graph structures.
21972 (sbitmap_intersection_of_preds): New function to compute the
21973 intersection of predecessors with the new flow graph structures.
21974 (sbitmap_union_of_succs): New function to compute the union of
21975 successors with the new flow graph structures.
21976 (sbitmap_union_of_preds): New function to compute the union of
21977 predecessors with the new flow graph structures.
21978 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21979 (expr_reaches_here_p): Use edge and basic_block structures instead
21980 of s_preds and s_succs.
21981 (compute_cprop_avinout): Use new sbitmap routines.
21982 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21983 of s_preds and s_succs.
21984 * flow.c (compute_flow_dominators): Compute dominators using
21985 edges and basic blocks instead of s_preds and s_succs.
21987 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21989 * lists.c (unused_insn_list, unused_expr_list): New file for
21990 maintaining various types of lists. New statics for maintaining a
21991 cache of available INSN_LIST and EXPR_LIST nodes.
21992 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21993 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21994 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21995 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21996 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21997 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21998 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21999 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22000 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22001 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22002 (remove_dependence, free_pending_lists): Use new global routines.
22003 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22004 (sched_analyze, compute_block_backward_dependences): Use new routines.
22005 (sched_analyze_1, sched_analyze_2): Use new routines.
22006 (schedule_insns): Use new global routines.
22007 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22009 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22010 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22012 * toplev.c (rest_of_compilation): Initialize node cache.
22013 * Makefile.in (OBJS): Add lists.o to list of object files.
22014 (lists.o): Add dependancies.
22016 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22018 * config/v850/v850.md: Fix compile time warning messages.
22019 * config/v850/v850.c: Fix compile time warning messages.
22020 * config/v850/v850.h: Fix compile time warning messages.
22022 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22024 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22025 Remove unused prototype for `init_lengths'.
22027 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22029 * calls.c (emit_call_1): Mark parameter `stack_size' with
22031 (expand_call): Initialize variable `insn'.
22032 (emit_library_call): Likewise for variable `high_to_save'.
22033 (emit_library_call_value): Likewise.
22034 (store_one_arg): Likewise for variables `lower_bound' and
22037 * combine.c (try_combine): Likewise for variables `i2_code_number'
22038 and `other_code_number'.
22039 (find_split_point): Likewise for variables `pos', `unsignedp' and
22041 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22042 (simplify_and_const_int): Remove unused variable `width'.
22043 (merge_outer_ops): Likewise.
22045 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22046 HOST_WIDE_INT' when comparing against one.
22047 (simplify_relational_operation): Likewise.
22048 (cse_insn): Initialize variables `src_eqv_volatile',
22049 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22051 * final.c (init_final): Constify parameter `filename'.
22052 (final_start_function): Mark parameter `optimize' with
22054 (profile_function): Likewise for parameters `first' and `optimize'.
22055 (output_source_line): Likewise for parameter `file'.
22057 * integrate.c (subst_constants): Cast a value to `size_t' when
22058 comparing against one.
22059 (mark_stores): Initialize variable `mode'. Cast a value to
22060 `size_t' when comparing against one.
22062 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22064 * loop.c (move_movables): Initialize variable `first'.
22065 (strength_reduce): Likewise for variable `increment'.
22066 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22067 value to `size_t' when comparing against one.
22068 (load_mems): Initialize variable `end_label'.
22070 * output.h (init_final): Constify parameter.
22072 * reload.c (decompose): Initialize variable `base'.
22074 * reload1.c (reload): Likewise for variable `is_scalar'.
22075 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22076 (choose_reload_regs): Initialize variable `mode'.
22077 (emit_reload_insns): Likewise for variable `store_insn'.
22078 (reload_cse_noop_set_p): Mark parameter `insn' with
22080 (reload_combine): Initialize variable `set'.
22082 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22083 (copy_loop_body): Cast a value to `size_t' when comparing against
22086 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22087 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22088 (remove_from_pending_weak_list): Mark parameter `name' with
22091 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22093 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22096 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22098 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22099 (ASM_DECLARE_FUNCTION_NAME): Define.
22100 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22101 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22102 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22103 not already defined.
22105 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22107 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22108 of n_popped when call/call_value are not defined.
22110 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22112 * tm.texi: GNU CC -> GCC conversion.
22113 (CC1_SPEC): Indicate it is used for all language front ends.
22115 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22117 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22118 NOTE_INSN_EH_REGION_END correctly.
22120 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22121 Jeff Law <law@cygnus.com>
22123 * loop.c (strength_reduce): Automatically unroll loops if the
22124 unrolled loop size is smaller than the rolled loop size.
22126 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22127 and delete comment that code should be rewritten.
22129 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22131 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22134 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22136 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22138 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22139 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22140 (LINK_SPEC): Add -u _main when building executables.
22141 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22142 (ASM_FILE_END): Use the default for ix86-pe.
22143 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22145 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22147 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22148 and ASM_CLOSE_PAREN are empty strings.
22150 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22151 Geoffrey Keating <geoffk@cygnus.com>
22153 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22154 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22155 (unprotoize.o): Ditto.
22156 (test-protoize-simple): Don't define STD_PROTO_DIR.
22157 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22158 changes to make 'test-protoize-simple' pass.
22159 (STD_PROTO_DIR): Remove define.
22160 (STANDARD_EXEC_PREFIX): Supply default define.
22161 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22162 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22163 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22164 (GET_ENV_PATH_LIST): New macro.
22165 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22166 (do_processing): Initialize default_syscalls_dir using new
22167 macros. Use it to initialize syscalls_absolute_filename.
22169 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22171 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22172 B into a register before emit_conditional_move.
22174 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22176 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22177 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22178 multiplicand out of (+ (* a b) (* c d)).
22180 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22181 Richard Henderson <rth@cygnus.com>
22183 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22184 (new_insn_dead_notes): Likewise.
22185 (update_n_sets): Likewise.
22186 (update_flow_info): Move to flow.c, renamed to update_life_info;
22187 extend to handle multiple source insns.
22188 * flow.c: Include resource.h
22189 (unlink_insn_chain): New.
22190 (split_hard_reg_notes): New.
22191 (maybe_add_dead_note): New.
22192 (maybe_add_dead_note_use): New.
22193 (find_insn_with_note): New.
22194 (new_insn_dead_notes): New.
22195 (update_n_sets): New.
22196 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22197 (maybe_remove_dead_notes): New.
22198 (update_life_info): New.
22199 (prepend_reg_notes): New.
22200 (replace_insns): New.
22201 * output.h (update_life_info): Declare.
22202 * recog.c (split_block_insns): Use update_life_info.
22203 * resource.c (find_free_register): Use reg_alloc_order, don't use
22204 fixed regs, make sure the mode is supported, don't use new regs.
22206 * rtl.h (replace_insns): Declare.
22208 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22210 * expr.c (expand_expr): Cope with COND_EXPRs with one
22211 non-returning branch.
22213 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22215 * expr.c (store_expr): Always pass down the target, even when not
22218 1999-08-24 Nick Clifton <nickc@cygnus.com>
22220 * configure.in: Define target_cpu_default for v850 targets.
22221 * configure: Regenerate
22223 * config/v850/v850.h (TARGET_CPU_generic): Define.
22224 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22225 addresses are 4 byte aligned.
22227 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22230 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22232 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22233 (main): Add prototypes.
22235 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22236 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22237 (write_attr_get): Emit prototypes along with function definition.
22238 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22239 (write_complex_function): Emit static prototype along with
22240 function definition.
22242 * genemit.c (gen_split): Emit prototypes along with function
22245 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22246 Likewise for predicates and `insn_operand_predicate'.
22247 (process_template): Emit static prototype along with function
22250 * genrecog.c (make_insn_sequence): Constify a char*. Add
22251 prototypes for get_split_*().
22252 (write_subroutine): Emit prototypes along with function
22255 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22257 * gcse.c (find_avail_set): Follow chains of register-register copies.
22258 Use oprs_not_set_p to guarantee that the returned value can be
22260 (cprop_insn): Don't verify the return value of find_avail_set with
22263 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22264 (cprop_cc0_jump): New function.
22265 (cprop_insn): Break out new function cprop_jump and use it.
22266 Also use cprop_cc0_jump for machines with CC0.
22267 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22269 * tree.h (current_function_calls_setjmp,
22270 current_function_calls_longjmp): Delete declarations.
22271 * dsp16xx.c: Include "function.h".
22272 * elxsi.c: Likewise.
22273 * gmicro.c: Likewise.
22274 * h8300.c: Likewise.
22275 * i370.c: Likewise.
22276 * m32r.c: Likewise.
22277 * mn10200.c: Likewise.
22278 * mn10300.c: Likewise.
22279 * ns32k.c: Likewise.
22280 * spur.c: Likewise.
22281 * v850.c: Likewise.
22283 * rtl.h (rtx_equal_function_value_matters): Declare.
22284 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22286 * function.c: Likewise.
22287 * emit-rtl.c: Likewise.
22289 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22291 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22294 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22296 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22299 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22301 * cpp.texi: Add a node documenting macro varargs (copied
22304 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22306 * cppspec.c: Put a null pointer at the end of the new argv.
22308 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22310 * configure.in: Remove code to select/de-select the haifa
22311 scheduler. Every scheduled port gets haifa now.
22312 * configure: Rebuilt.
22313 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22315 * Makefile.in: Corresponding changes.
22317 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22319 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22320 All callers changed.
22321 (prepare_float_lib_cmp): Likewise.
22322 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22323 * expr.h (emit_float_lib_cmp): Delete declaration.
22324 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22325 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22326 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22328 (cmptf): Now conditional on TARGET_HARD_QUAD.
22330 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22332 * resource.c (mark_target_live_regs): Use
22333 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22335 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22337 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22339 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22341 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22343 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22345 * rtl.h (rtx_format): Constify a char*.
22347 * rtl.c (rtx_format): Likewise.
22348 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22349 (init_rtl): Use accessor macro, not `rtx_format'.
22351 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22354 * caller-save.c (mark_referenced_regs): Likewise.
22356 * combine.c (subst, make_compound_operation, known_cond,
22357 gen_rtx_combine, update_table_tick, get_last_value_validate,
22358 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22360 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22361 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22362 count_reg_usage): Likewise.
22364 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22367 * final.c (leaf_renumber_regs_insn): Likewise.
22369 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22370 dump_edge_info, count_reg_references): Likewise.
22372 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22373 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22376 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22377 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22378 add_label_notes): Likewise.
22380 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22381 clear_struct_flag, count_sub_rtxs, count_alternatives,
22382 compares_alternatives_p, contained_in_p, walk_attr_value,
22383 write_expr_attr_cache): Likewise.
22385 * genconfig.c (walk_insn_part): Likewise.
22387 * genemit.c (max_operand_1, gen_exp): Likewise.
22389 * genextract.c (walk_rtx): Likewise.
22391 * genflags.c (num_operands): Likewise.
22393 * genoutput.c (scan_operands): Likewise.
22395 * genpeep.c (match_rtx): Likewise.
22397 * genrecog.c (add_to_sequence): Likewise.
22399 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22402 * integrate.c (save_constants, copy_for_inline,
22403 copy_rtx_and_substitute, subst_constants, restore_constants):
22406 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22407 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22409 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22412 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22413 add_label_notes, replace_call_address, count_nonfixed_reads,
22414 invariant_p, find_single_use_in_loop, find_mem_givs,
22415 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22418 * print-rtl.c (reg_names, print_rtx): Likewise.
22420 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22422 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22423 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22424 print_blocks): Likewise.
22426 * regclass.c (fix_register, record_address_regs,
22427 reg_scan_mark_refs): Likewise.
22429 * regmove.c (stable_but_for_p): Likewise.
22431 * reload.c (loc_mentioned_in_p, operands_match_p,
22432 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22433 copy_replacements, refers_to_regno_for_reload_p,
22434 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22435 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22438 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22439 delete_address_reloads_1, count_occurrences,
22440 reload_cse_mem_conflict_p, reload_combine_note_use,
22441 add_auto_inc_notes): Likewise.
22443 * resource.c (mark_referenced_resources, mark_set_resources):
22446 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22447 reg_mentioned_p, regs_set_between_p, modified_between_p,
22448 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22449 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22450 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22451 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22453 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22455 * stupid.c (stupid_mark_refs): Likewise.
22457 * unroll.c (remap_split_bivs): Likewise.
22459 * varasm.c (mark_constants): Likewise.
22461 * a29k/a29k.c (uses_local_reg_p): Likewise.
22463 * alpha/alpha.c (summarize_insn): Likewise.
22465 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22466 eliminate_lr2ip): Likewise.
22468 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22470 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22471 reg_mentioned_in_mem): Likewise.
22473 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22474 symbolic_reference_mentioned_p): Likewise.
22476 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22478 * sh/sh.c (regs_used, mark_use): Likewise.
22480 * vax/vax.c (vax_rtx_cost): Likewise.
22482 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22484 * machmode.h (mode_name): Constify a char*.
22486 * rtl.c (mode_name): Likewise.
22488 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22490 * optabs.c (init_libfuncs): Constify a char*.
22492 * print-tree.c (mode_name): Remove redundant declaration.
22493 (print_node): Use accessor macro, not `mode_name'.
22495 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22497 (new_spill_reg): Constify a char*.
22499 * tree.c (mode_name): Remove redundant declaration.
22501 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22503 * rtl.c (rtx_name): Constify a char*.
22505 * rtl.h (rtx_name, fix_sched_param): Likewise.
22507 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22508 (mypr): Use accessor macro, not `rtx_name'.
22510 * genemit.c (print_code): Constify a char*.
22512 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22514 * genpeep.c (print_code): Constify a char*.
22516 * genrecog.c (print_code): Likewise.
22518 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22519 end_bb): Add static prototype.
22520 (draw_edge): Constify a char*.
22521 (end_bb): Remove unused parameter.
22523 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22524 print_block_visualization): Constify a char*.
22526 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22528 * c-common.c (c_get_alias_set): Update comment.
22530 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22532 * linux.h (LIB_SPEC): Added.
22534 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22536 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22538 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22540 * tree.c (expr_check): Fix typo in last change.
22542 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22544 * rtl.def (NOTE): Change format to "iuu0n".
22545 (ADDR_DIFF_VEC): Change format to "eEee0".
22546 (ADDRESSOF): Change format to "eit".
22548 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22549 (RTVEC_ELT): Change to match.
22550 (XVECEXP): Use XVEC and RTVEC_ELT.
22551 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22552 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22553 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22554 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22555 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22556 (INTVAL): Use XWINT.
22557 (ADDRESSOF_DECL): Use XTREE.
22558 (SET_ADDRESSOF_DECL): Delete.
22559 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22560 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22561 ifdefed out since 2.6 at least.
22562 (gen_rtvec_vv): Delete prototype.
22564 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22566 (copy_most_rtx): Handle 't' format letter.
22567 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22568 (gen_rtvec_vv): Delete function. All callers changed to use
22569 gen_rtvec_v instead.
22570 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22571 the '0' format letter.
22573 * function.c (gen_mem_addressof): Don't use
22574 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22576 * integrate.c (copy_rtx_and_substitute): Likewise.
22577 Copy 't' slots with XTREE.
22578 (subst_constants): Treat 't' slots like '[swi]' slots.
22579 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22580 * jump.c (rtx_equal_for_thread_p): Likewise.
22581 * rtlanal.c (rtx_equal_p): Likewise.
22582 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22583 only four arguments.
22584 * gengenrtl.c (type_from_format): Provide correct types for
22588 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22589 If a recent gcc is in use (always in stage2 and beyond), use
22590 statement expressions, so we don't make a function call unless
22591 the check fails. Evaluate arguments exactly once.
22592 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22593 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22595 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22596 they evaluate their arguments exactly once, irrespective of
22597 the compiler in use.
22599 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22600 is used by the currently-enabled check macros. This is:
22601 (tree_check_failed, tree_class_check_failed): For gcc.
22602 (tree_check, tree_class_check, cst_or_constructor_check,
22603 expr_check): For other compilers.
22605 * gencheck.c: Do not define any *_CHECK1 macros.
22607 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22608 Mark Mitchell <mark@codesourcery.com>
22610 * c-common.c (c_get_alias_set): Fix support for poitners and
22613 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22615 * alias.c: Include tree.h.
22616 (nonlocal_reference_p, mark_constant_function): New functions.
22617 * flow.c (life_analysis): Call mark_constant_function.
22618 * rtl.h (mark_constant_function): Declare it.
22620 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22622 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22623 unrecognisable switches.
22625 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22627 * loop.c (recombine_givs): Set ix field after sorting.
22628 (recombine_givs): Remove bogus index / giv lockstep looping.
22630 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22632 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22634 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22635 (do_cmp_and_jump): Formatting fixes.
22636 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22637 do_compare_rtx_and_jump instead of compare_from_rtx.
22638 (do_compare_rtx_and_jump): New function; mostly copied from
22640 (do_jump_for_compare): Delete.
22641 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22643 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22644 of compare/do_jump_for_compare pairs.
22645 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22646 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22647 compare_from_rtx/do_jump_for_compare pairs.
22648 (do_jump_by_parts_equality): Likewise.
22649 (do_jump_by_parts_equality_rtx): Likewise.
22650 * expr.h (do_compare_rtx_and_jump): Declare.
22651 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22652 that used to be in emit_cmp_insn.
22653 (cmp_available_p): New function.
22654 (prepare_operand): New function.
22655 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22656 to be in emit_cmp_insn.
22657 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22658 parameters to be pointers; don't emit final compare but modify some of
22659 the values pointed to by the args so the caller can perform the
22660 correct comparison.
22661 (expand_binop): Call emit_store_flag_force with signed forms of
22663 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22664 emit_jump_insn pair.
22665 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22666 emit_cmp_and_jump_insn_1. Call emit_queue.
22667 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22669 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22670 jump sets cc0 before deleting it.
22671 * integrate.c (expand_inline_function): Likewise.
22672 * unroll.c (unroll_loop): Similar changes in several places.
22673 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22674 before deleting it.
22676 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22678 * Makefile.in (insn-recog.o): Update dependencies.
22679 * genrecog.c (main): Make generated file include "function.h".
22681 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22683 * cse.c (cse_insn): Call never_reached_warning when a jump is
22684 changed to be unconditional.
22685 * flags.h: Declare warn_notreached.
22686 * flow.c (delete_block): Call never_reached_warning when
22687 a block is deleted.
22688 * jump.c (delete_barrier_successors): Call never_reached_warning
22689 when we delete everything after a BARRIER.
22690 (never_reached_warning): New function.
22691 * rtl.h: Declare never_reached_warning.
22692 * toplev.c (warn_notreached): New variable.
22693 (lang_independent_options): Set warn_notreached
22694 when -Wunreachable-code.
22695 (compile_file): We need line numbers for -Wunreachable-code.
22697 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22699 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22700 * sched.c (insn_unit): Likewise.
22702 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22704 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22706 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22708 * flow.c (create_edge_list): Use xmalloc, not malloc.
22710 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22712 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22713 C-style comments. Do not lose the character before double slash.
22715 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22717 * basic-block.h (struct edge_list): Stucture to maintain a vector
22719 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22720 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22721 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22722 New function prototypes.
22723 * flow.c (create_edge_list): Function to create an edge list.
22724 (free_edge_list): Discards memory used by an edge list.
22725 (print_edge_list): Debug output showing an edge list.
22726 (verify_edge_list): Internal consistency check for an edge list.
22727 (find_edge_index): Function to find an edge index for a pred and succ.
22729 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22731 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22734 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22736 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22738 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22740 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22742 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22744 * toplev.c (rest_of_compilation): Allow machine dependent
22745 reorganisation pass to place information into the RTL dump
22746 file if it so wishes.
22748 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22750 * explow.c (hard_function_value): Use VOIDmode instead of
22752 * stmt.c (expand_return): Likewise.
22753 * stor-layout.c (get_best_mode): Likewise.
22755 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22756 emit call instead of emit_insn call.
22758 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22760 * configure.in: Handle --disable/enable-win32-registry.
22761 * install.texi: Document --disable/enable-win32-registry.
22762 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22763 (WIN32_REGISTRY_KEY): New macro.
22764 * prefix.c: Use to enable/disable win32-specific code.
22765 (lookup_key): Use versioned key.
22766 * configure: Regenerate.
22767 * config.in: Likewise.
22769 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22771 * cpplib.c (read_line_number): New fn, split out of...
22774 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22776 tree.c (lang_unsave_expr_now) : New.
22777 (unsave_expr_now): Call lang_unsave_expr_now.
22778 tree.h (lang_unsave_expr_now) : New.
22780 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22782 * toplev.c (flag_new_exceptions): On by default.
22784 1999-08-13 Michael Meissner <meissner@cygnus.com>
22786 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22788 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22790 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22791 INTEGER_TYPE with precision==1, it's __java_boolean.
22793 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22795 * global.c (prune_preferences): Move some invariants out of the
22798 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22800 * configure.in (alpha*-dec-osf*): Add osf5.
22802 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22804 * configure.in: Rework handling of ARM GNU/Linux slightly.
22805 (arm*-*-linux-gnuoldld): New target.
22806 * configure: Regenerate.
22807 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22808 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22809 * config/arm/linux-oldld.h: New file.
22810 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22811 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22813 * config/arm/linux-elf.h (ASM_SPEC): Define.
22814 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22815 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22816 for 26-bit APCS and old linker.
22817 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22819 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22820 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22821 don't define `arm' or `arm_elf'.
22822 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22823 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22825 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22827 * rtl.texi: Fix typo.
22829 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22831 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22833 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22835 * extend.texi (C++ Signatures): Remove node.
22836 * invoke.texi: Remove discussion of -fhandle-signatures,
22837 signature, sigof, __signature__, and __sigof__.
22839 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22841 * Makefile.in (JAVAGC): Removed.
22843 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22845 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22847 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22849 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22851 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22853 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22854 a register that is already known to be a pointer.
22856 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22858 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22859 * fixinc/inclhack.sh: Regenerated.
22860 * fixinc/fixincl.sh: Regenerated.
22862 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22864 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22865 Fix documentation of -ansi flag to describe its C++ behavior.
22866 Remove bogus reference to GCC 2.9.
22868 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22870 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22871 note if it is non-NULL.
22873 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22875 * except.h (eh_nesting_info): Add new structure defintion.
22876 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22877 (reachable_handlers, update_rethrow_references): Add function
22879 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22880 a rethrow symbol instead of an integer exception region number.
22881 * flow.c (Make_edges): Use new exception nesting routines to determine
22882 which handlers are reachable from a CALL or asynchronous insn.
22883 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22885 (delete_eh_regions): Update rethrow labels, and don't delete
22886 regions which are the target of a rethrow.
22887 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22888 avoid overloading the SYMBOL_REF_USED flag.
22889 (rethrow_symbol_map): Use new rethrow_ref field.
22890 (rethrow_used): Use new rethrow_ref field.
22891 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22892 of an integer. Fix formatting.
22893 (output_exception_table_entry): Use new rethrow_ref field.
22894 (can_throw): Check for EH_REGION_NOTE before deciding
22895 whether a CALL can throw or not.
22896 (scan_region): Call rethrow_used() instead of accessing data structure.
22897 (update_rethrow_references): New function to make sure only regions
22898 which are still targets of a rethrow are flagged as such.
22899 (process_nestinfo): New static function to initialize a handler
22900 list for a specific region.
22901 (init_eh_nesting_info): New function to allocate and initialize
22902 the list of all EH handlers reachable from all regions.
22903 (reachable_handlers): New function to retrieve the list of handlers
22904 reachable from a specific region and insn.
22905 (free_eh_nesting_info): New function to dispose of a list of
22906 reachable handlers.
22908 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22910 * flow.c (split_edge): Set JUMP_LABEL field.
22911 (commit_one_edge_insertion): Set head correctly for insert_before.
22912 When inserting insns, update insn block numbers if allocated.
22914 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22916 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22917 retry_incomplete_types): Add static prototype.
22918 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22919 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22920 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22921 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22922 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22925 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22926 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22928 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22930 * output.h (assemble_name): Constify a char*.
22932 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22933 assemble_variable, assemble_name): Likewise.
22935 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22937 * arm/pe.c (arm_pe_unique_section): Likewise.
22939 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22941 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22943 * i386/interix.c (i386_pe_unique_section): Likewise.
22945 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22947 * i386/winnt.c (i386_pe_unique_section): Likewise.
22949 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22951 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22953 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22955 * pa/pa.c (output_call): Likewise.
22957 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22959 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22961 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22964 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22967 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22969 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22970 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22972 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22974 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22976 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22978 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22980 * tree.h (lang_identify): Constify a char*.
22981 (print_error_function): Add extern prototype. Constify a char*.
22983 * c-lang.c (lang_identify): Constify a char*.
22985 * objc/objc-act.c (lang_identify): Constify a char*.
22987 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22989 * genpeep.c (main): Make generated file include "function.h".
22990 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22992 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22994 * Makefile.in: Update dependencies.
22995 * alias.c: Include "function.h"
22996 * c-decl.c: Likewise.
22997 * caller-save.c: Likewise.
22998 * calls.c: Likewise.
22999 * combine.c: Likewise.
23001 * explow.c: Likewise.
23002 * final.c: Likewise.
23003 * global.c: Likewise.
23004 * graph.c: Likewise.
23005 * local-alloc.c: Likewise.
23006 * loop.c: Likewise.
23007 * optabs.c: Likewise.
23008 * profile.c: Likewise.
23009 * recog.c: Likewise.
23010 * regclass.c: Likewise.
23011 * regmove.c: Likewise.
23012 * reload.c: Likewise.
23013 * reorg.c: Likewise.
23014 * resource.c: Likewise.
23015 * sched.c: Likewise.
23016 * stupid.c: Likewise.
23017 * config/1750a/1750a.c: Likewise.
23018 * config/a29k/a29k.c: Likewise.
23019 * config/arc/arc.c: Likewise.
23020 * config/arm/arm.c: Likewise.
23021 * config/arm/thumb.c: Likewise.
23022 * config/c4x/c4x.c: Likewise.
23023 * config/clipper/clipper.c: Likewise.
23024 * config/convex/convex.c: Likewise.
23025 * config/fx80/fx80.c: Likewise.
23026 * config/i860/i860.c: Likewise.
23027 * config/m68k/m68k.c: Likewise.
23028 * config/m88k/m88k.c: Likewise.
23029 * config/mips/mips.c: Likewise.
23030 * config/pdp11/pdp11.c: Likewise.
23031 * config/pyr/pyr.c: Likewise.
23032 * config/romp/romp.c: Likewise.
23033 * config/sh/sh.c: Likewise.
23034 * config/tahoe/tahoe.c: Likewise.
23035 * config/vax/vax.c: Likewise.
23036 * config/we32k/we32k.c: Likewise.
23037 * config/sparc/sparc.c: Include "function.h".
23038 (mem_min_alignment): Test current_function rather than
23039 regno_pointer_align.
23040 * config/pa/pa.c: Likewise.
23041 (compute_frame_size): Delete declaration of
23042 current_function_outgoing_args_size.
23043 * config/arc/arc.h (current_function_varargs): Delete declaration.
23044 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23046 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23048 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23049 current_function_uses_pic_offset_table.
23050 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23051 of current_function_returns_pointer.
23052 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23053 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23054 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23055 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23056 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23057 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23058 * config/m88k/m88k.c: Include "function.h"
23059 (call_used_regs, current_function_pretend_args_size,
23060 current_function_outgoing_args_size, frame_pointer_needed): Delete
23062 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23064 * config/mips/mips.h (current_function_calls_alloca): Delete
23066 * config/mn10200/mn10200.h (current_function_needs_context,
23067 rtx_equal_function_value_matters): Delete declarations.
23068 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23069 flag_pic): Delete declarations.
23070 * config/pa/pa.h (current_function_pretend_args_size,
23071 current_function_decl): Delete declarations.
23072 * config/pa/som.h (current_function_varargs): Delete declaration.
23073 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23075 * config/pyr/pyr.h (current_function_pretend_args_size,
23076 current_function_args_size, current_function_calls_alloca): Delete
23078 * config/sh/sh.h (current_function_varargs): Delete declaration.
23079 * config/sparc/sparc.h (current_function_outgoing_args_size,
23080 current_function_calls_alloca, current_function_decl): Delete
23082 * config/spur/spur.h (current_function_pretend_args_size,
23083 current_function_calls_alloca): Delete declarations.
23084 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23086 * config/vax/vms.h (current_function_name): Delete declaration.
23087 * gcse.c: Include "function.h".
23088 (current_function_name, current_function_calls_setjmp): Delete
23090 * haifa-sched.c: Include "function.h".
23091 (forced_labels): Delete declaration.
23092 * jump.c: Likewise.
23093 * reg-stack.c: Likewise.
23094 * reload1.c: Likewise.
23095 * genemit.c (main): Make generated file include function.h.
23096 * genoutput.c (output_prologue): Likewise.
23098 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23099 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23100 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23101 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23102 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23103 macros for some of them.
23104 (emit_filename, emit_lineno): Delete declarations.
23105 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23106 regno_pointer_* variables through current_function.
23107 (gen_inline_header_rtx): Delete function.
23108 (save_emit_status): Delete function.
23109 (set_new_last_label_num): New function.
23110 (clear_emit_caches): New function.
23111 (restore_emit_status): Just clear last_labelnum and call
23113 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23114 through macro seq_stack.
23115 (add_insn_after): Likewise.
23116 (add_insn_before): Likewise.
23117 (remove_insn): Likewise.
23118 (pop_topmost_sequence): Likewise.
23119 (in_sequence_p): Likewise.
23120 (start_sequence_for_rtl_expr): Likewise.
23121 (start_sequence): Likewise, and likewise for
23122 sequence_rtl_expr/seq_rtl_expr.
23123 (push_topmost_sequence): Likewise.
23124 (end_sequence): Likewise.
23125 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23126 All callers changed. Store into that pointer instead of globals.
23127 (init_emit): Allocate emit elt of current_function.
23128 Changes for sequence_rtl_expr/sequence_stack renaming.
23129 Call clear_emit_caches instead of doing it in-line.
23130 Access regno_pointer_* variables through current_function.
23131 (init_emit_once) Don't clear sequence_stack.
23133 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23135 (arg_pointer_save_area): Delete declaration.
23136 (finish_expr_for_function): Renamed from init_queue; no longer static.
23137 (init_expr): Don't call init_queue.
23138 (save_expr_status, restore_expr_status): Delete functions.
23139 (expand_expr): Changes to reflect new layout of struct function.
23140 Don't access current_function_check_memory_usage when current_function
23142 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23143 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23144 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23145 current_function_uses_const_pool, function_call_count,
23146 current_function_uses_pic_offset_table, nonlocal_labels,
23147 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23148 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23149 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23151 (finish_expr_for_function): Declare.
23152 * flags.h (current_function_has_nonlocal_label,
23153 current_function_has_nonlocal_goto, current_function_is_thunk,
23154 current_function_has_computed_jump): Delete declarations.
23155 * flow.c (forced_labels): Delete declaration.
23156 * function.c (current_function_pops_args,
23157 current_function_returns_struct, current_function_returns_pcc_struct,
23158 current_function_needs_context, current_function_calls_setjmp,
23159 current_function_calls_longjmp, current_function_has_nonlocal_label,
23160 current_function_has_nonlocal_goto, current_function_is_thunk,
23161 current_function_has_computed_jump, current_function_calls_alloca,
23162 current_function_contains_functions, current_function_returns_pointer,
23163 current_function_epilogue_delay_list, current_function_args_size,
23164 current_function_pretend_args_size, current_function_arg_offset_rtx,
23165 current_function_outgoing_args_size, current_function_varargs,
23166 current_function_stdarg, current_function_args_info, cleanup_label,
23167 current_function_name, current_function_uses_const_pool,
23168 current_function_instrument_entry_exit, current_function_return_rtx,
23169 current_function_uses_pic_offset_table, nonlocal_labels,
23170 current_function_internal_arg_pointer, current_function_cannot_inline,
23171 current_function_check_memory_usage, function_call_count,
23172 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23173 nonlocal_goto_stack_level, return_label, save_expr_regs,
23174 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23175 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23176 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23177 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23178 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23180 (push_function_context_to): Don't save them. Don't call
23181 save_storage_status, save_emit_status or save_expr_status.
23182 (pop_function_context_from): Don't restore them. Don't call
23183 restore_storage_status or restore_expr_status.
23184 (get_func_frame_size): New function.
23185 (get_frame_size): Use it.
23186 (assign_outer_stack_local): Reflect some member name changes in struct
23188 (put_reg_into_stack): Likewise.
23189 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23191 (fixup_var_refs): Likewise.
23192 (fix_lexical_addr): Likewise.
23193 (trampoline_address): Likewise.
23194 (prepare_function_start): Clear field inlinable of current_function.
23195 (init_function_for_compilation): New function.
23196 (expand_dummy_function_end): New function.
23197 (expand_function_end): Call finish_expr_for_function.
23198 * function.h (struct emit_status): New; fields moved here from struct
23199 function and from global variables. Add accessor macros for some of
23201 (struct expr_status): Likewise.
23202 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23203 (struct function): Add fields expr and emit, inlinable, inl_emit,
23204 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23205 inl_max_label_num. Add many comments.
23206 Add accessor macros for all elts of struct function that no longer
23207 have a global variable.
23208 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23209 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23210 stack_slot_list): Delete declarations.
23211 (get_func_frame_size): Declare.
23212 (save_expr_status, restore_expr_status, save_emit_status,
23213 save_storage_status, restore_storage_status): Delete declarations.
23214 (init_virtual_regs): Declare.
23215 * output.h (current_function_pops_args,
23216 current_function_returns_struct, current_function_returns_pcc_struct,
23217 current_function_needs_context, current_function_calls_setjmp,
23218 current_function_calls_longjmp, current_function_calls_alloca,
23219 current_function_has_nonlocal_label, current_function_varargs,
23220 current_function_has_computed_jump, current_function_returns_pointer,
23221 current_function_contains_functions, current_function_args_size,
23222 current_function_pretend_args_size, current_function_stdarg,
23223 current_function_outgoing_args_size, current_function_args_info,
23224 current_function_name, current_function_return_rtx,
23225 current_function_epilogue_delay_list,
23226 current_function_uses_const_pool, current_function_cannot_inline):
23227 Delete declarations.
23228 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23229 regno_reg_rtx): Delete declaration.
23230 (REGNO_POINTER_FLAG): Delete macro.
23231 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23232 function were renamed.
23233 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23235 * toplev.c: Include "function.h".
23236 (current_function_decl): Delete declaration.
23237 (compile_file): Call init_dummy_function_start and
23238 expand_dummy_function_end around some initializations that need to
23240 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23241 Call init_function_for_compilation.
23242 * unroll.c: Include "function.h"
23243 (unroll_loop): Access regno_pointer_* variables through
23246 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23247 (DECL_SAVED_INSNS): use it.
23248 (expand_dummy_function_end): Declare.
23249 (init_function_for_compilation): Declare.
23250 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23251 that it's no longer an INLINE_HEADER.
23252 (expand_call): Likewise.
23253 * integrate.c (finish_inline): Delete function.
23254 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23255 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23256 args. Don't generate an INLINE_HEADER rtx, just return the arg
23257 vector. All callers changed.
23258 (save_for_inline_copying): Create a duplicate struct emit_status to
23259 hold the emit state for compiling the current function. Use this and
23260 the other new fields in struct function that are for integration
23261 instead of an INLINE_HEADER.
23262 Use memcpy instead of bcopy.
23263 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23264 (save_for_inline_nocopy): Similar changes, except no new emit_status
23266 (expand_inline_function): Get information from function structure,
23267 not from an inline header rtx.
23268 (output_inline_function): Lose code to extract the necessary
23269 information from an inline header; simply put back the function
23270 structure into current_function. Clear its inlinable elt.
23271 * rtl.def (INLINE_HEADER): Delete.
23272 * rtl.h: Delete all accessors for an INLINE_HEADER.
23273 (gen_inline_header_rtx): Delete declaration.
23274 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23275 Delete declarations.
23276 (REGNO_POINTER_ALIGN): Delete.
23277 (clear_emit_caches): Declare.
23278 (set_new_last_label_num): Declare.
23280 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23282 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23284 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23285 * stmt.c (is_eh_region): Make sure current_function is present, too.
23287 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23289 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23290 for 64bit PA targets.
23292 * pa.h (SELECT_SECTION): Define.
23293 * som.h (SELECT_SECTION): Delete.
23295 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23297 * alias.c (init_alias_analysis): Wrap call to
23298 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23300 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23302 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23303 <sys/asm.h> contains an asm comment with an apostrophe
23304 * fixinc/inclhack.sh: regen
23305 * fixinc/fixincl.x: regen
23307 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23309 * function.c (init_function_start): Clear prologue & epilogue.
23310 (prologue_epilogue_contains): New function.
23311 * alias.c (init_alias_analysis): Use it.
23312 * rtl.h (prologue_epilogue_contains): Declare it.
23314 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23316 * jump.c (onlyjump_p): New function.
23317 * rtl.h: Declare it.
23318 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23319 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23321 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23323 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23324 to invert loops. Simplify block scanning.
23326 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23328 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23329 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23331 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23333 * config/sparc/liteelf.h: New file to support sparclite-elf target
23334 * config/sparc/t-sp86x: New file to support sparc86x targets
23335 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23336 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23337 * configure.in: Support above target triplets
23338 * configure: Regenerated
23340 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23342 * fixinc/server.c (server_setup): Do not prefix function used as
23343 parameter with `&'.
23345 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23347 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23348 Remove fp reg alternatives.
23350 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23352 * Makefiin (TAROUTOPTS): Kill.
23353 (install-headers-tar): Use "xpf" for tar headerfile extraction
23354 * i370/x-oe (TAROUTOPTS): Delete.
23355 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23356 * m68k/x-hp320 (TAROUTOPTS): Delete.
23357 * m68k/x-hp320g (TAROUTOPTS): Delete.
23358 * gcc.texi: Update bug reporting text.
23360 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23362 * reg-stack.c (change_stack) Fixed problem with negative array index.
23364 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23366 * extend.texi, install.texi: Fix spelling mistakes.
23368 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23369 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23370 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23371 PREMADE_ATTRTAB_MD.
23372 * mips/t-ecoff: Likewise.
23373 * mips/t-elf: Likewise.
23374 * mips/t-mips: Likewise.
23375 * mips/t-osfrose: Likewise.
23376 * mips/t-r3900: Likewise.
23377 * mips/t-svr3: Likewise.
23378 * mips/t-svr4: Likewise.
23379 * mips/t-ultrix: Likewise.
23381 * gcc.texi: Document recommend means to provide software floating
23382 point libraries in libgcc.a
23384 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23386 * c-lex.c (yylex): We can have a number with no digits.
23388 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23390 * jump.c (delete_prior_computation): New function, broken
23391 out of delete_computation. Check for side effects with
23392 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23393 multi-word hard registers.
23394 (delete_computation): Use it. Check for side effects with
23395 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23396 missing REG_DEAD note for a register which is both set and
23399 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23401 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23402 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23403 (ASM_FILE_START): Import _mcount with the right type.
23404 (ASM_DECLARE_FUNCTION_NAME): Define.
23405 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23406 * pa.c (output_function_prologue): Always emit the function's label
23408 * pa.h (TEXT_SPACE_P): Define.
23409 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23410 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23411 * som.h (TEXT_SPACE_P): Delete.
23412 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23413 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23415 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23417 * expr.c (emit_group_load): Allow src to be a CONCAT.
23419 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23421 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23422 (___mulsi3): Use '!' comment character.
23424 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23426 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23428 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23430 * gcc.c: Update URLs and mail addresses.
23431 * gcc.texi: Likewise.
23433 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23435 * rs6000.c (current_file_function_operand): Return zero for
23437 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23439 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23442 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23444 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23445 allocate space in the stack frame for the PIC register.
23447 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23449 * m68k.md (xordi3, anddi3): These patterns are not available on
23452 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23454 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23455 (PUT_REAL): Likewise.
23457 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23459 * final.c (shorten_branches): Don't add an alignment for loops
23460 that have no label inside.
23462 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23464 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23465 prototypes in macro HAVE_cmpstrsi.
23467 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23469 * emit-rtl.c (operand_subword): Remove unused variable
23472 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23474 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23476 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23478 * cpphash.c (macroexpand): Delete leading whitespace when arg
23479 is concatenated before.
23480 (unsafe_chars): Correct test for whether + and - can extend a
23483 * cppinit.c (cpp_start_read): Do dependencies for
23484 -include/-imacros files also.
23486 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23487 tokenizing non-directive lines.
23488 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23489 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23492 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23494 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23496 * c-lex.c: Sync with C++ frontend.
23497 (linemode): New variable.
23498 (parse_float): imag, conversion_errno, and type are output only.
23499 (yylex): Adjust. Move initial '.' case into main switch.
23501 (handle_generic_pragma): Just deal with tokens.
23502 (readescape): Use ISXDIGIT and ISGRAPH.
23503 * c-parse.in: Add END_OF_LINE token.
23505 * c-lex.c (lang_init): Generalize.
23506 (nextchar): Remove. Replace uses with UNGETC.
23507 (skip_white_space): Handle linemode here. Optimize for cpplib.
23508 (skip_white_space_on_line): Remove.
23509 (extend_token_buffer_to): New fn.
23510 (extend_token_buffer): Use it.
23511 (read_line_number, check_newline): Just deal with tokens.
23512 (token_getch, token_put_back): New fns.
23513 (yylex): Use them. More cpplib optimizations. Simplify.
23515 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23516 Jason Merrill <jason@yorick.cygnus.com>
23518 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23519 (consume_string): Make this smart about USE_CPPLIB.
23520 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23521 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23522 Also, clean up cases where we redundantly set token_buffer[0].
23523 (read_line_number): New fn.
23524 (ignore_escape_flag): New variable.
23526 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23528 * a29k/t-a29kbare: Fix some comments.
23529 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23530 (FPBIT, DPBIT): Define.
23531 * a29k/t-vx29k: Likewise.
23532 * arc/t-arc: Likewise.
23533 * arm/t-arm-elf: Likewise.
23534 * arm/t-bare: Likewise.
23535 * arm/t-pe: Likewise.
23536 * arm/t-pe-thumb: Likewise.
23537 * arm/t-semi: Likewise.
23538 * arm/t-thumb: Likewise.
23539 * arm/t-thumb-elf: Likewise.
23540 * arm/t-thumb-linux: Likewise.
23541 * h8300/t-h8300: Likewise.
23542 * i960/t-i960: Likewise.
23543 * i960/t-vxworks960: Likewise.
23544 * m32r/t-m32r: Likewise.
23545 * mips/t-ecoff: Likewise.
23546 * mips/t-elf: Likewise.
23547 * mips/t-r3900: Likewise.
23548 * pa/t-pro: Likewise.
23549 * rs6000/t-aix43: Likewise.
23550 * rs6000/t-beos: Likewise.
23551 * rs6000/t-newas: Likewise.
23552 * rs6000/t-ppccomm: Likewise.
23553 * rs6000/t-rs6000: Likewise.
23554 * rs6000/t-winnt: Likewise.
23555 * rs6000/t-xnewas: Likewise.
23556 * rs6000/t-xrs6000: Likewise.
23557 * sh/t-sh: Likewise.
23558 * sparc/t-elf: Likewise.
23559 * sparc/t-sparcbare: Likewise.
23560 * sparc/t-sparclite: Likewise.
23561 * sparc/t-splet: Likewise.
23562 * v850/t-v850: Likewise.
23563 * mn10200/t-mn10200: Fix comments.
23564 * mn10300/t-mn10300: Likewise.
23566 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23567 dummy operand. Allocate a new pseudo for the dummy operand.
23568 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23570 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23572 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23574 * configure: Rebuilt.
23575 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23577 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23579 * recog.c (preproces_constraints): Zero recog_op_alt before
23580 processing the constraints.
23582 * arm.c (typedef minipool_node): Renamed from pool_node.
23583 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23584 (add_minipool_constant): New function.
23585 (dump_minipool): New function.
23586 (find_barrier): Remove special case for getting the insn size of
23587 an insn that references the constant pool.
23588 (minipool_fixup): New structure.
23589 (push_minipool_barrier): New function.
23590 (push_minipool_fix): New function.
23591 (note_invalid_constants): New function.
23592 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23593 (arm_reorg): Rewrite code to fix up the constant pool into a
23594 series of mini-pools embedded in the insn stream.
23595 (arm_output_epilogue): New function, made mainly from the body
23596 of output_func_epilogue.
23597 (output_func_epilogue): Move insn generation part of epilogue code
23598 to arm_output_epilogue.
23599 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23600 * arm.md (pool_range): New attribute.
23601 (zero_extendqidi2): Add attribute pool_range.
23602 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23603 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23604 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23605 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23606 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23607 (epilogue): New expand.
23608 (epilogue_insn): New insn. Call arm_output_epilogue.
23610 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23611 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23613 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23615 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23617 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23619 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23621 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23623 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23625 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23627 * global.c: Fix comment.
23629 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23631 * gcc.c (access_check): New static function.
23632 (find_a_file): Use it when searching a directory list.
23633 * collect2.c (find_a_file): Don't accept directories found when
23634 searching a directory list.
23636 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23638 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23639 function parameters with `&'.
23640 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23642 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23644 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23645 or tidy_fallthru_edge if the last insn in the block is not
23646 an unconditional jump or a simple conditional jump.
23648 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23650 * Makefile.in (c-decl.o): Depends on defaults.h.
23652 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23654 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23656 (CLASS_MAX_NREGS): Likewise.
23658 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23660 * cse.c (cse_insn): Fix dumb thinko in last change.
23662 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23664 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23667 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23669 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23670 test for sizes of passed and declared parameter types.
23672 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23674 * fixincludes: Fix the return type of bsearch, char* -> void*.
23676 * fixinc/inclhack.def: Likewise.
23678 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23680 * invoke.texi (-fdump-translation-unit): New option.
23682 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23684 * expr.h (PROMOTE_PROTOTYPES): Move ...
23685 * defaults.h: ... to here.
23686 * c-decl.c: Include defaults.h instead of expr.h.
23687 * c-typeck.c: Include defaults.h.
23689 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23691 * toplev.h (errorcount): Declare.
23692 (warningcount): Likewise.
23693 (sorrycount): Likewise.
23694 * c-lex.c (errorcount): Don't declare.
23695 * dwarf2out.c (errorcount): Don't declare.
23697 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23699 * config/libgloss.h: Add a note discouraging use with ELF.
23700 * configure.in: Don't use libgloss.h for ELF targets.
23701 Always use_collect2 on a.out targets.
23703 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23705 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23706 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23708 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23710 * loop.c (strength_reduce): When doing biv->giv conversion, update
23711 reg note of NEXT->insn.
23713 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23715 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23717 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23719 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23720 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23721 Ensure expr.h is included.
23722 * c-typecheck.c (convert_arguments): Ditto.
23724 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23726 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23727 * config/convex/convex.h: Ditto.
23728 * config/dsp16xx/dsp16xx.h: Ditto.
23729 * config/fx80/fx80.h: Ditto.
23730 * config/gmicro/gmicro.h: Ditto.
23731 * config/i370/i370.h: Ditto.
23732 * config/i386/i386.h: Ditto.
23733 * config/m32r/m32r.h: Ditto.
23734 * config/m68k/m68k.h: Ditto.
23735 * config/m88k/m88k.h: Ditto.
23736 * config/mips/mips.h: Ditto.
23737 * config/pa/pa.h: Ditto.
23738 * config/pyr/pyr.h: Ditto.
23739 * config/tahoe/tahoe.h: Ditto.
23740 * config/we32k/we32k.h: Ditto.
23742 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23743 based on arch size.
23745 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23747 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23750 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23752 1999-08-02 Richard Henderson <rth@cygnus.com>
23754 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23755 for the register spill block.
23756 (m32r_va_arg): New.
23757 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23758 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23760 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23761 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23762 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23764 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23766 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23767 MAX_WCHAR_TYPE defined in sparc.h.
23768 * config/sparc/linuxaout.h: Likewise.
23769 * config/sparc/linux64.h: Likewise.
23770 Also default to -mvis if CPU is UltraSPARC.
23772 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23774 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23775 (RTX_OK_FOR_OLO10): Likewise.
23776 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23777 %lo(), allow it in addresses...
23778 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23779 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23780 does not make sense.
23781 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23782 (sparc_output_scratch_registers): New function.
23783 (output_function_prologue, sparc_flat_output_function_prologue): Use
23785 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23787 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23788 * configure.in: Add check for .register pseudo-op support in as and
23789 check for offsetable %lo().
23790 * acconfig.h: Add templates for the above checks.
23791 * configure: Regenerate.
23793 1999-08-02 Richard Henderson <rth@cygnus.com>
23795 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23796 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23797 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23799 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23801 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23804 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23806 * config/float-sparc.h: New file.
23807 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23808 sparc-*-linux-gnu and sparc64-*-linux*.
23810 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23812 * rs6000.c (rs6000_va_list): Type is an array.
23813 (rs6000_va_start): Don't doubly adjust for varargs.
23814 (rs6000_va_arg): Evaluate long long GPR adjustment.
23816 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23818 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23819 -maix64 and -maix32.
23820 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23821 LINK_SPEC): Change appropriately.
23822 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23823 (u_short_cint_operand): Likewise.
23824 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23826 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23828 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23830 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23832 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23833 for type promotion.
23834 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23835 (non_add_cint_operand): Likewise.
23836 (logical_operand): Likewise.
23837 (non_logical_cint_operand): Likewise.
23838 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23839 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23840 (rs6000_select_rtx_section): Suppress warning.
23841 (small_data_operand): Suppress warning.
23842 (rs6000_got_register): Suppress warning.
23843 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23844 type, so `J' is generally the wrong constraint for a SImode value;
23846 (andsi3_internal2): Likewise.
23847 (andsi3_internal3): Likewise.
23848 (iorsi3_internal1): Likewise.
23849 (xorsi3_internal1): Likewise.
23851 (movsf_softfloat): Likewise.
23852 (scc insns): Likewise.
23853 (movsi+2): Preserve sign bits of SImode constant.
23854 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23855 (movdf+1): Sign-extend properly.
23856 (movdi_32+1): Sign-extend properly.
23857 (scc insns): Sign-extend properly.
23859 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23862 1999-08-02 Richard Henderson <rth@cygnus.com>
23864 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23865 -mcpu parsing code.
23866 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23867 * alpha.md (all fp insns): Likewise.
23869 1999-08-02 Nick Clifton <nickc@cygnus.com>
23871 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23874 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23876 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23877 pic_load_label generator directly.
23878 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23879 No longer a named pattern.
23881 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23883 * explow.c (force_reg): Call force_operand if X does not
23884 satisfy general_operand.
23886 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23888 * fix-header.c (main): When testing for CONTINUED, use string
23889 equality, not pointer equality.
23891 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23893 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23895 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23897 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23898 that has become an unconditional jump.
23900 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23901 (output_function_epilogue): Similarly.
23903 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23905 * tree.h (init_dummy_function_start): Declare.
23907 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23909 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23910 last_expr_type, last_expr_value, block_start_count, block_stack,
23911 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23912 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23913 dynamically in stmt elt of struct function for each function.
23914 (struct nesting): Rename function_call_count elt to n_function_calls,
23915 target_temp_slot_level to block_target_temp_slot_level. All users
23917 (struct stmt_status): New structure definition.
23918 Add many accessor macros for stmt_status elements which previously
23919 were global variables.
23920 (init_stmt_for_function): Allocate stmt elt for current_function.
23921 Reflect that block_start_count was renamed to
23922 current_block_start_count.
23923 (save_stmt_status, restore_stmt_status): Delete functions.
23924 (preserve_subexpressions_p): Don't access loop_stack when outside
23926 (expand_start_bindings): Reflect that block_start_count was renamed to
23927 current_block_start_count.
23928 (expand_fixup): Likewise.
23929 (expand_decl): Don't access block_stack when outside a function.
23930 (expand_decl_cleanup): Likewise.
23931 (expand_dcc_cleanup): Likewise.
23932 (expand_dhc_cleanup): Likewise.
23933 (expand_anon_union_decl): Likewise.
23934 (set_file_and_line_for_stmt): New function.
23935 (in_control_zone_p): New function.
23937 * function.h (struct function): Add new elt stmt.
23938 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23939 case_stack, nesting_stack, nesting_depth, block_start_count,
23940 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23941 emit_lineno, goto_fixup_chain.
23942 (save_eh_status, restore_eh_status, save_stmt_status,
23943 restore_stmt_status): Delete declarations.
23944 * function.c (push_function_context_to): Don't call save_stmt_status.
23945 (pop_function_context_to): Don't call restore_stmt_status.
23946 * tree.h (in_control_zone_p): Declare.
23947 * rtl.h (set_file_and_line_for_stmt): Declare.
23949 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23950 call set_file_and_line_for_stmt.
23952 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23954 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23955 Also update copyright.
23957 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23959 * c-pragma.c: Don't include "except.h".
23960 * emit-rtl.c: Likewise.
23961 * stor-layout.c: Likewise.
23962 * tree.c: Likewise.
23963 * varasm.c: Likewise.
23965 * flow.c: Include "function.h".
23966 * tree.h (init_dummy_function_start): Declare new function.
23968 * except.h (struct eh_status): New structure.
23969 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23971 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23972 catch_clauses, false_label_stack, caught_return_label_stack,
23973 protect_list, current_function_ehc): Add accessor macros for the
23974 corresponding fields in current_function->eh; delete declarations
23975 for all items that used to be declared here.
23976 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23977 catch_clauses, false_label_stack, caught_return_label_stack,
23978 protect_list, current_function_ehc): Delete variables.
23979 (init_eh_for_function): Allocate current_function->eh.
23980 (save_eh_status, restore_eh_status): Delete functions.
23982 * function.h (struct function): Add fields next_global and eh.
23983 Delete all exception handling related fields.
23984 * function.c (current_function): New variable.
23985 (all_functions): New variable.
23986 (push_function_context_to): Don't allocate a struct function,
23987 use current_function instead. Call init_dummy_function_start when
23988 outside a function. Clear current_function before returning.
23989 (pop_function_context_from): Restore current_function.
23990 Don't free the restored struct function.
23991 (prepare_function_start): New function.
23992 (init_dummy_function_start): New function.
23993 (init_function_start): Break out some code into prepare_function_start
23996 * stmt.c (save_stmt_status): Don't call save_eh_status.
23997 (restore_stmt_status): Don't call restore_eh_status.
23999 * Makefile.in: Update dependencies.
24001 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24003 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24004 of depending on a magic constant value. Update comments.
24005 (hppa_expand_prologue): Similarly.
24007 * pa.md (reload_indi, reload_outdi): Allow any register for the
24008 original reload register.
24010 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24012 * cccp.c (print_help): Change marcos to macros.
24014 1999-07-30 Richard Henderson <rth@cygnus.com>
24016 * c-typeck.c (initializer_constant_valid_p): Move ...
24017 * c-common.c (initializer_constant_valid_p): ... here. Use
24018 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24019 of label addresses.
24020 * c-common.h (initializer_constant_valid_p): Declare.
24021 * c-tree.h (initializer_constant_valid_p): Remove.
24023 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24025 * config/i386/sol2-c1.asm: Align the stack.
24026 * config/i386/sol2-gc1.asm: Likewise.
24028 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24030 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24031 -Asparclite for sparc86x.
24032 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24034 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24036 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24038 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24039 the user if using the non-default arch size in BI_ARCH configuration.
24040 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24042 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24043 Fix patterns so that they actually match.
24044 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24045 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24046 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24048 (mulsidi3): Reflect this in the expand.
24049 (smulsi3_highpart): Only on TARGET_ARCH32.
24050 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24051 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24052 (umulsidi3): Reflect this in the expand.
24053 (umulsi3_highpart): Only on TARGET_ARCH32.
24054 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24055 don't require g0 to be zero.
24056 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24057 ({,u}divsi3): New expands.
24058 ({,u}divsi3_sp64): New patterns.
24059 (after lshrdi3_v8plus): Four new patterns to help combiner
24060 optimizing nested mixed mode shifts.
24062 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24063 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24064 speed things up. Don't use them by default on plain v9 in 64bit
24065 mode, according to what SPAMv9 sais.
24067 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24068 top 32 bits of %[og][0-7] in signal handlers.
24069 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24071 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24073 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24074 (ashlsi3): Corresponding changes.
24076 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24078 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24080 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24082 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24084 * arm.h (Hint): Delete macro.
24085 Substitute HOST_WIDE_INT for Hint in some prototypes.
24086 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24088 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24090 * builtins.c (expand_builtin_setjmp): Use force_operand to
24091 make sure that the buffer address is in a suitable form to be
24092 passed to force_reg.
24094 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24096 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24099 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24101 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24102 proper mode in the condition string.
24103 (icacheflush, dcacheflush): Remove modes from match_operands.
24105 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24106 proper mode before using it.
24108 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24111 * pa.c (store_reg): Do not call add_high_const generator directly.
24112 (load_reg, set_reg_plus_d): Likewise.
24113 * pa.md (add_high_const): No longer a named pattern.
24115 * pa.c (legitimize_address): Consistently use Pmode rather than
24116 SImode. Do not call gen_pic2_highpart directly anymore.
24117 * pa.md (pic2_highpart): No longer a named pattern.
24118 (pic2_lo_sum): Similarly. Reformat to make more readable.
24120 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24125 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24127 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24129 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24131 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24132 and tag the spill mems.
24133 (hppa_va_start): New.
24134 (hppa_va_arg): New.
24135 * pa.h (EXPAND_BUILTIN_VA_START): New.
24136 (EXPAND_BUILTIN_VA_ARG): New.
24138 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24140 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24141 and tag the spill mems.
24142 (mn10300_va_start): New.
24143 (mn10300_va_arg): New.
24144 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24145 (EXPAND_BUILTIN_VA_ARG): New.
24147 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24149 * mn10200.c (mn10200_va_arg): New.
24150 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24152 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24154 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24155 rather than play with TREE_INT_CST_LOW.
24157 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24159 * config/arm/telf.h: Include dbxelf.h.
24160 (CPP_PREDEFINES): Only define if not already defined.
24161 (ASM_IDENTIFY_GCC): Likewise.
24162 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24163 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24164 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24166 (DBX_DEBUGGING_INFO): Don't define.
24167 * config/arm/linux-telf.h: New file.
24168 * config/arm/linux-tgas.h: New file.
24169 * config/arm/t-thumb-linux: New file.
24170 * config/arm/uclinux-elf.h: New file.
24171 * config/arm/uclinux-telf.h: New file.
24172 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24173 thumb-*-uclinux): New targets.
24174 * configure: Regenerate.
24176 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24178 * pa.md (post_store, pre_load): New expanders.
24179 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24180 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24181 need to directly generate RTL for them.
24182 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24185 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24187 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24188 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24189 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24190 (secndary_reload_class): Make TARGET_ELF conditional compile.
24191 (print_operand_address): Similar.
24192 (output_toc): Print all values as hex.
24193 (get_issue_rate): Rearrange and add RS64A and PPC630.
24194 * rs6000.h (processor_type): Add RS64A and PPC630.
24195 (PROCESSOR_POWERPC64): New.
24196 (PROMOTE_MODE): Use word_mode.
24197 (RTX_COSTS): Add RS64A and PPC630.
24198 * rs6000.md (scheduling information): Add lmul and ldiv
24199 representing 64-bit integer multiply and divide. Add rs64a and
24200 PPC630 information.
24201 (ashldi3): Add support for "rldic" instruction.
24202 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24204 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24206 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24207 instead of V8 for sparclite86x in cpu_table.
24209 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24211 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24212 output_file_directive.
24214 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24216 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24217 tree for op1, not the rtl.
24219 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24221 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24222 to m88k_va_start, leaving only the register spill.
24223 (m88k_build_va_list): New.
24224 (m88k_va_start): New.
24225 (m88k_va_arg): New.
24226 * m88k.h (BUILD_VA_LIST_TYPE): New.
24227 (EXPAND_BUILTIN_VA_START): New.
24228 (EXPAND_BUILTIN_VA_ARG): New.
24230 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24232 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24233 Rename from expand_builtin_saveregs.
24234 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24236 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24238 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24239 for the register spill block.
24240 (i960_build_va_list): New.
24241 (i960_va_start): New.
24242 (i960_va_arg): New.
24243 * i960.h (BUILD_VA_LIST_TYPE): New.
24244 (EXPAND_BUILTIN_VA_START): New.
24245 (EXPAND_BUILTIN_VA_ARG): New.
24246 * i960.md (store_multiple): Use change_address on individul mems.
24248 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24250 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24252 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24253 (expand_builtin_va_end): Evaluate arg for side effects.
24254 * c-common.c (c_common_nodes_and_builtins): Construct a
24255 va_list_arg_type_node to handle array decomposition to pointer.
24257 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24259 * except.c (st_dynamic_cleanup): Use force_operand on the
24262 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24264 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24265 * c4x.c (c4x_va_arg): New.
24267 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24269 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24270 has manual_pop set.
24272 1999-07-26 Nathan Sidwell <nathan@acm.org>
24274 * eh-common.h (__eh_matcher): Prototype correctly.
24276 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24278 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24279 (TARGET_SINGLE_PIC_BASE): Likewise.
24280 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24282 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24283 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24284 (TARGET_OPTIONS): Add -mpic-register=N.
24285 (OUTPUT_INT_ADDR_CONST): New macro.
24286 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24287 LEGITIMATE_PIC_OPERAND_P): Likewise.
24288 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24289 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24290 output_addr_const directly.
24291 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24293 (thumb_pic_register, thumb_pic_register_string): Declare.
24295 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24297 (label_mentioned_p): New function: Imported from arm.c.
24298 (legitimize_pic_address): New function: Imported from arm.c.
24299 (is_pic):New function: Imported from arm.c.
24300 (thumb_finalize_pic):New function: Imported from arm.c.
24301 (add_constant): Cope with PIC constants.
24302 (fixit): Cope with PIC constants.
24303 (output_return): Do not treat the PIC register as live if
24304 TARGET_SINGLE_PIC_BASE is true.
24305 (thumb_function_prologue): Do not treat the PIC register as live if
24306 TARGET_SINGLE_PIC_BASE is true.
24307 (thumb_expand_prologue): Do not treat the PIC register as live if
24308 TARGET_SINGLE_PIC_BASE is true.
24309 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24310 TARGET_SINGLE_PIC_BASE is true.
24311 (thumb_print_operand): Accept '|'.
24312 (thumb_override_options): Process PIC options.
24314 * config/arm/thumb.md (movsi): Support PIC.
24315 (call_insn): Change "i" constraint to "X".
24316 (call_value_insn): Likewise.
24317 (consttable_4, consttable_8, consttable_end): Set and clear
24318 "making_const_table" as appropriate.
24319 (pic_load_addr, pic_add_dot_plus_four): New insns.
24321 * invoke.texi (Thumb Options): Fix spelling. Document new
24322 options -msingle-pic-base and -mpic-register=.
24324 1999-07-26 Andrew Haley <aph@cygnus.com>
24326 * config/m32r/initfini.c (__init): Use a full word immediate for
24327 __fini: this allows it to be placed in any memory region.
24329 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24330 -mmodel=medium. This is OK for all memory models.
24332 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24334 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24335 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24337 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24339 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24342 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24344 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24346 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24347 (BUILD_VA_LIST_TYPE): New.
24348 (EXPAND_BUILTIN_VA_START): New.
24349 (EXPAND_BUILTIN_VA_ARG): New.
24350 * i860.c (output_delayed_branch): Disable.
24351 (output_delay_insn): Likewise.
24352 (i860_saveregs): New.
24353 (i860_build_va_list): New.
24354 (i860_va_start): New.
24355 (i860_va_arg): New.
24356 * i860.md: Disable all peepholes using output_delayed_branch.
24357 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24359 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24361 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24362 (BUILD_VA_LIST_TYPE): New.
24363 (EXPAND_BUILTIN_VA_START): New.
24364 (EXPAND_BUILTIN_VA_ARG): New.
24365 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24366 Return the address of the save area.
24367 (clipper_build_va_list): New.
24368 (clipper_va_start): New.
24369 (clipper_va_arg): New.
24371 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24373 * arc.h (EXPAND_BUILTIN_VA_START): New.
24374 (EXPAND_BUILTIN_VA_ARG): New.
24375 * arc.c (arc_setup_incoming_varargs): Set alias set of
24377 (arc_va_start): New.
24380 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24382 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24383 (BUILD_VA_LIST_TYPE): New.
24384 (EXPAND_BUILTIN_VA_START): New.
24385 (EXPAND_BUILTIN_VA_ARG): New.
24386 * alpha.c (alpha_builtin_saveregs): Delete.
24387 (alpha_build_va_list): New.
24388 (alpha_va_start): New.
24389 (alpha_va_arg): New.
24391 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24393 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24395 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24396 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24398 * gcc.texi: More changes related to list conversion.
24399 * invoke.texi: Likewise.
24401 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24403 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24404 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24405 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24406 (stabilize_va_list): New function.
24407 (std_expand_builtin_va_start): New function.
24408 (expand_builtin_va_start): New function.
24409 (get_varargs_alias_set): New function.
24410 (std_expand_builtin_va_arg): New function.
24411 (expand_builtin_va_arg): New function.
24412 (expand_builtin_va_end): New function.
24413 (expand_builtin_va_copy): New function.
24414 (expand_builtin): Call them.
24415 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24416 __builtin_{varargs_start,stdarg_start,end,copy}.
24417 (build_va_arg): New function.
24418 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24419 (build_va_arg): Declare.
24420 * c-decl.c (ptr_type_node, va_list_type_node): New.
24421 * c-parse.gperf (__builtin_va_arg): New.
24422 * c-parse.in (VA_ARG): New token.
24423 (unary_expr): Recognize it.
24424 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24425 * expr.h (std_expand_builtin_va_start): Declare.
24426 (std_expand_builtin_va_arg): Declare.
24427 (expand_builtin_va_arg): Declare.
24428 (get_varargs_alias_set): Declare.
24429 * tree.def (VA_ARG_EXPR): New.
24430 * tree.h (BUILT_IN_VARARGS_START): New.
24431 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24432 (ptr_type_node, va_list_type_node): Declare.
24433 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24434 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24435 * m88k.h, m88k.c: Likewise.
24436 * mn10300.h, mn10300.c: Likewise.
24437 * pa.h, pa.c: Likewise.
24438 * rs6000.h, rs6000.c: Likewise.
24439 * sh.h, sh.c: Likewise.
24440 * sparc.h, sparc.c: Likewise.
24442 * emit-rtl.c (operand_subword): Copy alias set.
24443 (change_address): Likewise.
24445 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24447 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24448 not just the first one.
24450 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24452 * config/arm/arm.h (TARGET_SWITCHES): Add
24453 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24454 (TARGET_OPTIONS): Add -mpic-register=.
24455 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24456 (arm_pic_register_string): Declare.
24457 (NEED_PLT_GOT): Delete, replace with ...
24458 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24459 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24460 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24461 * config/arm/arm.c (arm_override_options): Add new option
24463 (arm_pic_register_string): New variable.
24464 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24465 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24466 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24467 (output_return_instruction): Likewise.
24468 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24469 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24470 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24472 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24473 mention of -msched-prolog. Document new options -msingle-pic-base
24474 and -mpic-register=.
24476 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24478 * haifa-sched.c (reemit_notes): Tidy.
24479 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24482 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24484 * explow.c (trunc_int_for_mode): New function.
24485 (plus_constant_wide): Use it.
24486 * combine.c (simplify_and_const_int): Likewise.
24487 (merge_outer_ops): Likewise.
24488 (simplify_shift_const): Likewise.
24489 * cse.c (simplify_unary_operation): Likewise.
24490 (simplify_binary_operation): Likewise.
24491 * emit-rtl.c (operand_subword): Likewise.
24492 * rtl.h: Declare it.
24494 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24496 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24497 (use NUM_REGS instead of NUM_INTS).
24499 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24501 * builtins.c: New file.
24502 * expr.c (saveregs_value, apply_args_value): Delete definition,
24503 moved into builtins.c.
24504 (string_constant): No longer static.
24505 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24506 apply_args_size, apply_result_size, result_vector,
24507 expand_builtin_apply_args, expand_builtin_apply,
24508 expand_builtin_return): Delete functions, moved into builtins.c.
24509 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24510 * expr.h (saveregs_value, apply_args_value): Declare variables.
24511 (expand_builtin, string_constant): Declare functions.
24512 * Makefile.in: Update to build builtin.o.
24514 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24516 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24517 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24518 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24519 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24521 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24524 1999-07-21 Michael Meissner <meissner@cygnus.com>
24526 * print-rtl.c (print_rtx): Print the names of the virtual
24529 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24531 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24532 introduced in previous delta.
24534 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24536 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24537 to avoid name clash.
24539 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24541 * c-lex.c (yylex) : Correct the test for overflow when lexing
24544 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24546 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24547 (adjust_priority): Always call ADJUST_PRIORITY.
24548 (schedule_insn): Only put insns into the ready at cost 0.
24549 (schedule_block): Remove redundant initial sort. Give clock_var
24550 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24552 * tm.texi (MD_SCHED_REORDER): Update docs.
24554 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24555 * sparc.c (ultra_reorder_called_this_block): Delete.
24556 (ultrasparc_sched_init): Don't set it.
24557 (ultrasparc_sched_reorder): Don't check it.
24559 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24561 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24562 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24563 (function_arg_boundary): Align DFmode.
24564 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24565 to get fp reg and stack overflow correct.
24566 (function_arg): Likewise.
24567 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24568 (setup_incoming_varargs): Restructure for ABI_V4; use
24569 function_arg_advance to skip final named argument.
24570 (expand_builtin_saveregs): Properly unskip the last integer arg
24571 when doing varargs. Adjust overflow location calculation.
24573 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24574 explicitly unsigned.
24575 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24576 (__VA_GP_REGSAVE): Similarly.
24577 (__va_longlong_p): Delete.
24578 (__va_arg_type_violation): New declaration.
24579 (va_arg): Restructure. Flag promotion errors. Align double.
24580 TFmode passed by reference.
24582 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24583 in the HOST_BITS_PER_WIDE_INT > 32 case.
24585 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24587 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24589 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24591 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24592 * toplev.c (documented_lang_options): Add -fpreprocessed.
24593 * cpplib.h (struct cpp_buffer): Add preprocessed.
24594 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24595 (cpp_start_read): Don't expand macros or emit an initial #line
24596 directive if -fpreprocessed.
24598 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24600 * cpplib.h (struct cpp_buffer): Added manual_pop for
24601 better C++ tokenization.
24602 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24603 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24604 * c-common.c (cpp_token): Make non-static.
24606 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24608 * c-common.h: New file.
24609 * c-common.c (permanent_obstack): Delete unused declaration.
24610 (c_global_trees): New array.
24611 (c_common_nodes_and_builtins): New function; split off common code
24612 from init_decl_processing in both c-decl.c and cp/decl.c.
24613 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24614 c_global_trees and accessor macros defined in c-common.h.
24615 Include c-common.h.
24616 * c-decl.c: Delete definitions for tree nodes that were replaced by
24618 (init_decl_processing): Build void_list_node.
24619 Call c_common_nodes_and_builtins; delete code to generate the common
24621 * objc/objc-act.c (build_module_descriptor): Rename variable
24622 void_list_node to avoid clash with c-common.h.
24624 * Makefile.in: Update dependencies.
24625 * objc/Make-lang.in: Likewise.
24627 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24629 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24630 (UNIQUE_SECTION_P): Likewise.
24631 (UNIQUE_SECTION): Likewise.
24633 1999-07-19 Linas Vepstas <linas@linas.org>
24635 * config/i370/README: New file.
24636 * config/i370/linux.h: New file.
24637 * config/i370/mvs.h: New file.
24638 * config/i370/oe.h: New file.
24639 * config/i370/t-linux: New file.
24640 * config/i370/t-mvs: New file.
24641 * config/i370/t-oe: New file.
24642 * config/i370/x-oe: New file.
24643 * config/i370/xm-linux.h: New file.
24644 * config/i370/xm-mvs.h: New file.
24645 * config/i370/xm-oe.h: New file.
24647 * i370.c (label_node_t): Add first_ref_page, label_addr,
24648 label_first_ref, label_last_ref members.
24649 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24650 (MAX_MVS_LABEL_SIZE): Define.
24651 (MAX_LONG_LABEL_SIZE): Define.
24652 (alias_node_t, alias_anchor, alias_number): New.
24653 (mvs_function_table): Reorder for EBCDIC.
24654 (ascebc, ebcasc): Unconditionally define.
24655 (i370_branch_dest, i370_branch_length): New functions.
24656 (i370_short_branch, i370_label_scan): New functions.
24657 (mvs_get_label): Renamed from mvs_add_label. Search for
24658 an existing label before creating a new one.
24659 (mvs_add_label): New function.
24660 (mvs_get_label_page): New function.
24661 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24662 over the entire list.
24663 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24664 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24665 (mvs_add_alias, mvs_need_alias): New functions.
24666 (mvs_get_alias, mvs_check_alias): New functions.
24667 (handle_pragma): New function.
24668 (mvs_function_check): New function.
24669 (unsigned_jump_follows_p): Search harder.
24670 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24671 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24672 * i370.h (TARGET_VERSION): Delete.
24673 (CPP_SPEC, CPP_PREDEFINES): Delete.
24674 (mvs_label_emitted): Delete.
24675 (TARGET_EBCDIC): Delete.
24676 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24677 (HANDLE_PRAGMA): Define.
24678 (HARD_REGNO_NREGS): Handle complex modes.
24679 (HARD_REGNO_MODE_OK): Likewise.
24680 (CLASS_MAX_NREGS): Likewise.
24681 (RET_REG): Likewise.
24682 (EXTRA_CONSTRAINT): Define.
24683 (RETURN_IN_MEMORY): True for DImode.
24684 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24685 (FUNCTION_PROFILER): Delete.
24686 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24687 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24688 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24689 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24690 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24691 (ASM_FILE_START): Add "RMODE ANY".
24692 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24693 (ASM_GLOBALIZE_LABEL): Likewise.
24694 (ASM_OUTPUT_LABELREF): Likewise.
24695 (ASM_OUTPUT_COMMON): Likewise.
24696 (PRINT_OPERAND): Handle 'K', 'W', default.
24697 (PRINT_OPERAND_ADDRESS): New.
24698 (Lots of defines): Add support for TARGET_ELF_ABI.
24699 * i370.md (attr length): New. Define for all patterns.
24700 (*): Lots of tweeks to assembly output and constraints.
24702 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24704 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24705 Disable patterns performing SImode comparisons with SImode values
24706 if TARGET_POWERPC64 and instruction does not sign-extend or does
24707 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24708 differ for signed quantities.
24709 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24710 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24711 (decrement_and_branch_on_count): Add 64-bit variant.
24713 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24715 * final.c (output_asm_insn): When searching for the matching string
24716 for a given dialect, don't run past the end of the list of
24717 alternatives if there are fewer alternatives in the template than
24720 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24722 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24723 Removed paragraph about compression of files and size limitation,
24724 duplicated in the FAQ. Use gcc-patches for posting patches.
24725 * gcc.c (main): Updated URL with bug reporting instructions to
24726 gcc.gnu.org. Removed e-mail address.
24727 * system.h (abort): Likewise.
24729 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24731 * Makefile.in (stmp-multilib-sub): Make the files extracted
24732 from $(LIBGCC1) writable.
24734 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24736 * config/arm/aout.h: Reformat for improved readability.
24738 * config/arm/arm.h: Reformat for improved readability.
24739 Replace uses of fprintf with asm_fprintf where appropriate.
24740 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24741 function declaration assembler actions.
24742 (NUM_INTS): New macro: Convert from bytes to words.
24743 (NUM_REGS): New macro: Compute number of registers required to
24744 hold a quanitity of tyep MODE.
24745 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24747 (NUM_ARG_REGS): New macro: The number of argument registers
24749 (ARG_REGISTER): New macro: Compute the register number of the Nth
24751 (LAST_ARG_REGNUM): New macro: The number of the last argument
24753 (SP_REGNUM): New macro: Register number of the stack pointer.
24754 (FP_REGNUM): New macro: Register number of the frame pointer.
24755 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24756 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24757 CUMULATIVE_ARGS so that it counts registers not bytes.
24759 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24761 Replace uses of fprintf with asm_fprintf where appropriate.
24762 (output_ascii_pseudo_op): Replace with version from thumb.c
24764 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24766 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24767 SUBTARGET_CPP_SPEC.
24768 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24769 (ASM_FILE_START): Emit ASM_APP_OFF.
24771 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24773 * pa.c (compute_frame_size): Round frame according to
24774 STACK_BOUNDARY rather than a hardwired value.
24776 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24778 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24780 * configure: Rebuilt.
24782 * configure.in (hppa*-*-linux*): New configuration.
24783 * configure: Rebuilt.
24784 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24785 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24786 * pa/pa-linux.h: New file.
24787 * pa/t-linux: New file.
24788 * pa/xm-linux.h: New file.
24790 * pa.c (hppa_legitimize_address): Change references from SImode to
24791 either Pmode or word_mode as appropriate.
24792 (emit_move_sequence, store_reg, load_reg): Likewise.
24793 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24794 (output_mul_insn): Likewise.
24795 * pa.h (PROMOTE_MODE): Likewise.
24796 (INITIALZE_TRAMPOLINE): Likewise.
24797 (Pmode): Define to word_mode.
24799 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24800 value of 4. Allocate 8 bytes for each FP register save.
24801 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24803 (hppa_expand_prologue): Likewise.
24804 * pa.h (PROMOTE_MODE): Likewise.
24805 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24806 (FUNCTION_ARG_BOUNDARY): Likewise.
24808 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24810 * pa.c (out_of_line_prologue_epilogue): Delete.
24811 (override_options): Remove -mspace related code.
24812 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24813 (compute_frame_size): Only allocate space for register that
24814 actually need to be saved.
24815 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24816 (TARGET_SWITCHES): Remove -mspace, -mno-space
24817 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24818 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24819 * pa/ee.asm, pa/ee_fp.asm: Delete.
24821 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24823 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24824 directive in column zero.
24826 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24828 * m68k.c (output_function_prologue): Fix computation of save mask
24829 when generating PIC code.
24831 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24833 * tree.c (build_type_attribute_variant): Move current_obstack restore
24834 after build_qualified_type call.
24836 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24838 * configure.in: Use t-iris6, even with GNU LD.
24839 * config/mips/iris6gld.h: Fix typo in linker spec.
24840 * config/mips/t-iris6gld: Remove.
24842 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24844 * rs6000.md (insv, extzv): Remove SImode dependence in named
24845 patterns. Explicitly generate DImode RTL if PowerPC64 and
24847 (insvdi): Reverse start and size in instruction template.
24849 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24851 * invoke.texi: Typo fixes.
24853 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24855 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24856 handle at this time instead of silently generating incorrect code.
24857 (gen_imagpart): Likewise.
24859 * reload.c (find_reloads): Emit a USE for a pseudo register without
24860 a hard register if we could not create an optional reload for the
24863 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24865 * c-typeck.c (output_init_element, process_init_element):
24866 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24867 check for nameless bit fields.
24869 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24871 * regclass.c (scan_one_insn): Notice subregs that change the
24872 size of their operand.
24873 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24875 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24877 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24878 * configure: Rebuilt.
24879 * alpha/t-ieee: New file.
24881 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24883 * rs6000.c (find_addr_reg): Do not select r0 as an address
24886 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24888 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24890 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24892 * rs6000.md (movsf): Do not force easy FP constants into memory.
24894 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24895 immed_double_const to ensure they are properly truncated then
24898 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24900 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24901 always unless NO_DEBUG is used. Compile this code
24903 (replace_symbols_in_block): Compile it unconditionally.
24905 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24907 * configure.in (i?86-*-elf*): New target.
24908 * configure: Rebuilt.
24909 * i386/i386elf.h, i386/t-i386elf: New files.
24911 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24913 * toplev.c (main): Don't complain about saying -gdwarf.
24914 (rest_of_compilation): Remove redundant code.
24916 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24918 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24920 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24922 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24923 "Li960R:", to avoid name clash.
24925 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24927 * loop.c (check_dbra_loop): When reversing a loop, delete all
24928 REG_EQUAL notes referencing the reversed biv except those which are
24929 for a giv based on it.
24931 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24933 * version.c: Drop "gcc-" prefix from version #.
24935 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24937 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24938 the label if we're being verbose.
24940 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24942 * m68k.c (output_function_prologue): Add pic register to mask
24943 if live and flag_pic.
24944 (output_function_epilogue): Likewise.
24946 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24948 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24949 directives in column zero.
24951 * pa/elf.h (ASM_FILE_START): Define.
24952 * pa/som.h (ASM_FILE_START): Include .level directives.
24953 * pa/hpux10.h (ASM_FILE_START): Delete.
24954 * pa/hpux11.h (ASM_FILE_START): Delete.
24956 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24958 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24960 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24961 when reload_out equals reload_in.
24963 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24965 * invoke.texi (Spec Files): New node: Describe the contents of
24968 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24970 * invoke.texi (DEC Alpha Options): Put @end table at
24971 beginning of line, to avoid confusing texi2html.
24973 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24975 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24976 introduced in previous delta.
24978 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24980 * reload1.c (gen_reload): When synthesizing a 3 operand add
24981 sequence, improve test for when to reload OP1 into the reload
24982 register instead of OP0.
24984 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24986 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24988 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24990 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24993 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24995 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24996 (va_dcl): Use __builtin_va_alist_t.
24998 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25000 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25001 on the permanent_obstack.
25002 * dwarfout.c (output_type): Likewise.
25004 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25006 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25007 Merged from c-typeck.c and cp/typeck.c.
25008 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25009 Merged into c-common.
25011 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25013 * c-lex.c (errorcount): Declare it.
25014 (finish_parse): Update errorcount when using CPPLIB.
25016 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25018 * fixinc/inclhack.def(end_else_label): Double the backslash so
25019 sed gets a chance to see it.
25020 * fixinc/inclhack.sh: regen
25021 * fixinc/fixincl.x: regen
25023 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25025 Add framework to support armv5 architecture when it becomes
25028 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25029 (arm_arch5): New variable.
25030 (all_architectures): Add armv5 line.
25031 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25032 -march=armv5 is specified on the command line.
25033 (arm_arch5): Export this variable.
25034 * invoke.texi: Document new string accepted by -march= switch for
25037 * config/arm/arm.h: Replace use of constant 12 as a register
25038 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25039 * config/arm/arm.c: Replace use of constant 12 as a register
25040 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25042 * config/arm/elf.h: Tidy up.
25043 * config/arm/coff.h: Tidy up.
25045 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25047 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25048 * gcc/config/mips/t-iris6gld: New file.
25049 * gcc/config/mips/iris6gld.h: Likewise.
25051 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25053 * c-decl.c (widest_integer_literal_type_node,
25054 widest_unsigned_literal_type) : New.
25055 (init_decl_processing): Handle/use the two new types.
25056 * c-common.c (type_for_size,type_for_mode) : Same.
25057 * c-lex.c (yylex) : Same.
25058 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25060 * c-tree.h (widest_integer_literal_type_node,
25061 widest_unsigned_literal_type) : New.
25063 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25065 * dwarfout.c (field_byte_offset): Correctly compute the object's
25066 byte offset for the first bit of a field which crosses an alignment
25067 boundary on a !BYTES_BIG_ENDIAN target.
25069 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25071 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25074 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25075 Jeff Law <law@cygnus.com>
25077 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25080 * except.c: Include intl.h.
25081 (expand_eh_return): Set current_function_cannot_inline.
25082 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25083 * function.h (struct function): Add eh_return_stub_label.
25084 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25085 * Makefile.in (except.o): Depend on intl.h.
25087 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25089 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25090 same as offsettable in cases 1 and 2.
25092 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25094 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25095 (extlh, extwh): Likewise.
25097 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25099 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25101 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25103 * configure.in: Add arm-pe and thumb-pe targets.
25104 * configure: Regenerate.
25106 * thumb.c (arm_naked_function_p): New function: Determines if
25107 a function is naked (has no gcc generated prologue/epilogue).
25108 (is_called_in_ARM_mode): Return true if the func has the
25109 interfacearm attribute.
25110 (output_return): Do not generate a return for naked functions.
25111 (thumb_function_prologue): Do not generate a prologue for
25113 (thumb_expand_prologue): Do not generate a prologue for naked
25115 (thumb_expand_epilogue): Do not generate an epilogue for naked
25117 (arm_valid_machine_decl_attribute): New function, copied from
25118 arm.c: Permit naked and interfacearm attributes.
25120 * config/arm/pe.c: New file: Support code for arm-pe target.
25121 * config/arm/pe.h: New file: Header file for arm-pe target.
25122 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25123 * config/arm/t-thumb-pe: New file: Makefile fragment for
25126 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25128 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25129 -fPIC or -fpic is specified.
25131 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25133 * expr.c (emit_block_move): Use copy_to_mode_reg for
25134 !TARGET_MEM_FUNCTIONS case too.
25136 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25138 * configure: Rebuilt.
25139 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25140 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25141 definitions made redundant by dbxelf.h inclusion. Delete
25142 lots of definitions related to assembly output that are
25143 specific to the SOM object format.
25144 * pa.c (output_function_prologue): Do not emit the function's
25146 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25147 * pa-pro.h: Deleted.
25148 * som.h: New file with SOM specific definitions.
25149 * elf.h: New file with ELF specific definitions.
25151 * elfos.h (const_section): Output a tab before assembler directives.
25152 (ctors_section, dtors_section): Likewise.
25153 (ASM_OUTPUT_SECTION_NAME): Likewise.
25155 * pa/pa1.h: Delete unused file.
25157 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25159 * configure.in (hppa*-hp-hpux11*): New configuration.
25160 * configure: Rebuilt.
25161 * pa/pa-hpux11.h: New file.
25162 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25165 * mips.md (leasi, leadi): New patterns.
25167 * expr.c (emit_block_move): Properly handle case where one of the
25168 block move arguments has a queued increment or decrement.
25169 (clear_storage): Similarly. Fix formatting goof.
25171 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25173 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25174 semicolon from the BSD VA_LIST replacement expression.
25176 * fixinc/inclhack.sh: regen
25177 * fixinc/fixincl.x: regen
25179 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25180 now use the fixincl program.
25182 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25184 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25185 case. Also make the PIC register call_used.
25187 * m68k.h (FINALIZE_PIC): Delete.
25188 * m68k.c (finalize_pic): Delete.
25190 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25192 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25195 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25197 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25199 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25201 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25203 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25205 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25207 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25209 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25211 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25213 * rs6000.c (output_toc): Always use hex values for floating-point
25214 constants. Store single-precision values in upper-half of TOC
25215 entry in 64-bit mode.
25216 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25217 to final constraints.
25218 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25219 (fctiwz): Improve accuracy of RTL for pattern.
25221 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25223 * expr.c (expand_expr): Allow RTL_EXPR's through the
25224 MAX_INTEGER_COMPUTATION_MODE checks.
25226 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25228 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25229 such that MASK_SUPPORT_ARCH is not negative.
25231 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25233 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25234 ADDR_DIFF_VEC insns that appear inside loops.
25236 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25237 Jeff Law <law@cygnus.com>
25239 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25240 Handle LO_SUM the same as offsettable in cases 1 and 2.
25241 * rs6000.c (find_addr_reg): Revert previous patch.
25243 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25245 * system.h (strstr): New external function declaration.
25246 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25247 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25248 * config.in, configure: Rebuilt.
25250 1999-06-24 Tom Tromey <tromey@cygnus.com>
25252 * gcc.c (main): Read user-specified specs files after computing
25253 additional startfile_prefixes.
25255 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25257 Revert these two patches:
25259 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25260 * loop.c (strength_reduce): When doing biv->giv conversion, update
25261 reg note of NEXT->insn.
25263 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25264 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25266 (recombine_givs): Set ix field after sorting.
25268 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25270 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25271 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25273 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25275 *fixinc/inclhack.def: Add fix development commentary
25276 (read_ret_type): reactivate and add selection clause
25277 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25278 *fixinc/{fixincl.x|inclhack.sh}: regen
25280 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25282 * expr.c (expand_expr): STRIP_NOPS before checking against
25283 MAX_INTEGER_COMPUTATION_MODE
25284 (check_max_integer_computation_mode): Likewise.
25286 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25288 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25290 1999-06-22 Jim Wilson <wilson@cygnus.com>
25292 * expr.c (store_expr): When target is a promoted subreg, return a
25293 promoted subreg as a result.
25295 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25297 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25299 (dwarf2out_define): Mark unused parameters appropriately.
25300 (gen_unspecified_parameters_die): Ditto.
25301 (gen_subprogram_die): Fix signed/unsigned warnings.
25302 (gen_variable_die): Ditto.
25304 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25306 * fixinc/inclhack.def(end_else_label): combined else_label
25307 and endif_label and fixed the sed expression.
25308 *fixinc/{fixincl.x|inclhack.sh}: regen
25310 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25312 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25313 'x' when handling non-offsettable addresses
25315 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25317 * final.c (shorten_branches): Don't try to split an insn that has
25320 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25322 * config/mips/mips.c (symbolic_expression_p): New function.
25323 (mips_select_rtx_section): Put symbolic expressions in the
25324 data section, not the read-only data section.
25326 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25328 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25330 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25332 * collect2.c (main): Log frame table count.
25333 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25334 (scan_prog_file) [COFF]: Handle frame tables.
25336 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25337 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25338 * alpha/elf.h: Undef them again.
25339 * alpha/vms.h: Remove their definitions.
25341 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25343 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25344 remove the clobber of r0 and change the REG_UNUSED note to
25347 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25349 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25350 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25351 fits in HOST_WIDE_INT and one uses union to access a long constant
25354 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25356 * sparc.c (sparc_override_options): Don't allow profiling for
25357 code models other than medlow.
25358 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25359 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25360 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25361 (sparc_block_profiler): Likewise.
25362 (sparc_function_block_profiler_exit): Likewise.
25363 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25364 (FUNCTION_BLOCK_PROFILER): Likewise.
25365 (BLOCK_PROFILER): Likewise.
25366 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25367 (MCOUNT_FUNCTION): New.
25368 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25369 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25370 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25371 (MCOUNT_FUNCTION): New.
25372 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25373 (BLOCK_PROFILER): Delete.
25374 (MCOUNT_FUNCTION): New.
25376 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25378 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25380 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25382 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25385 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25388 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25391 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25394 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25396 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25399 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25401 * i386/djgpp.h (LIB_SPEC): New.
25402 (STARTFILE_SPEC): New.
25404 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25406 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25408 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25411 * system.h (WSTOPSIG): New macro.
25413 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25415 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25417 (insert_pack_attributes): Take into account member natural
25420 * i386/winnt.c (exports_head): New static variable.
25421 (i386_pe_record_exported_symbol): New function.
25422 (i386_pe_asm_file_end): Use.
25423 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25424 symbols to be emitted at end of assembly.
25425 (ASM_DECLARE_OBJECT_NAME): Likewise.
25426 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25428 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25431 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25433 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25436 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25438 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25439 zapping reg_last_uses directly.
25440 (sched_analyze_2, sched_analyze_insn): Likewise.
25441 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25443 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25445 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25446 attributes for cases 1 and 2.
25448 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25450 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25453 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25455 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25457 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25459 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25460 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25461 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25462 must be stacked if it is used for PIC accesses.
25463 * arm.c (use_return_insn): Handle PIC register specially.
25464 (output_return_instruction): Likewise.
25465 (output_func_{prologue,epilogue}): Likewise.
25466 (output_expand_prologue): Likewise.
25468 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25469 (*strsi_predec): Renamed from *strqi_predec.
25470 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25471 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25473 * arm.c (arm_override_options): Remove warning about PIC code
25474 not being supported.
25476 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25478 * rs6000.c (find_addr_reg): New function.
25479 * rs6000.h (find_addr_reg): Declare.
25480 (offsettable_addr_operand): Delete.
25481 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25482 from and stores to GPRs.
25484 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25486 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25487 gen_sequence as argument to emit_no_conflict_block.
25489 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25491 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25492 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25493 *fixinc/fixincl.x: regen
25494 *fixinc/inclhack.sh: regen
25496 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25498 * added support for -mpcrel (PC relative addressing for m68k)
25499 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25500 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25501 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25502 (comments for general_src_operand): Add some explanation
25503 about EXTRA_CONSTRAINTS.
25504 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25505 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25506 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25507 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25508 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25509 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25510 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25511 if not already set.
25512 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25513 * m68k.h (TARGET_PCREL): New target flag.
25514 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25515 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25516 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25517 contains a SYMBOL_REF. Relax this constraint during reload, since
25518 we want to use the predicates, not reload's built-in concept of a
25519 valid memory address, to control what insns need reloading.
25520 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25521 operands (essentially 'g', 'm', and 's' under normal circumstances).
25522 * m68k.c (print_operand): Cause printing of pc-relative addresses
25523 to include pc register.
25524 (print_operand_address): Ditto.
25525 (general_src_operand): Accept operands that are not only
25526 general_operands, but are also valid when used as a pc-relative
25528 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25529 (memory_src_operand): Similar, for memory_operands.
25530 (pcrel_address): New predicate to accept the special case of a
25531 pc-relative address.
25532 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25533 QImode insns to accept *_src_operand instead of *_operand where
25534 pc-relative operands can fit. For example, a pc-relative operand
25535 can be used as a memory source operand for addsi3, but not as a
25536 memory destination.
25537 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25539 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25541 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25542 .thumb_set pseudo op to mark aliases of thumb functions.
25544 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25546 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25547 preference to ASM_OUTPUT_DEF, if it is defined.
25549 * tm.texi: Document new, optional target macro
25550 ASM_OUTPUT_DEF_FROM_DECLS.
25552 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25554 * fixincludes: ISCNTL patch
25555 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25556 (dgux_int_varargs): new for DG/UX
25557 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25559 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25561 * invoke.texi (ia32 options): Fix typo.
25563 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25565 * loop.c (strength_reduce): When doing biv->giv conversion, update
25566 reg note of NEXT->insn.
25568 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25570 * loop.c (move_movables): Note issues with replacing REGs with
25572 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25574 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25576 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25578 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25579 the reference to `mcount' was not correct for the ELF on FreeBSD.
25581 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25583 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25586 (recombine_givs): Set ix field after sorting.
25588 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25590 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25591 to safe to extract a subword out of a REG.
25593 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25595 * sh.md (mulsi3): Don't add a no-op move at the end.
25597 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25599 * cse.c (cse_insn): Don't put hard register source into tables for
25600 the last insn of a libcall.
25602 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25604 * loop.c (strength_reduce): Insert sets of derived givs at every
25605 biv increment, even if it's the only one.
25607 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25609 * dwarfout.c (add_incomplete_type): New fn.
25610 (output_type): Call it.
25611 (retry_incomplete_types): New fn.
25612 (dwarfout_finish): Call it.
25614 From Eric Raskin <ehr@listworks.com>:
25615 (output_type): Output types for bases.
25617 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25619 * mips.c (mips_output_conditional_branch): Add `break'
25620 between `default' label and `close braces'.
25622 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25624 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25625 specifications and make it realistic.
25626 (LIB_SPEC): Likewise.
25628 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25630 * config/mips/mips.c (mips_secondary_reload_class): Check for
25631 (PLUS (SP) (REG)) and return appropriate register class.
25632 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25633 Handle (PLUS (SP) (REG)).
25634 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25635 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25636 of emit_insn for tablejump.
25638 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25640 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25641 asm_fprintf format string by itself.
25642 (output_function_profiler): Likewise.
25644 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25646 * combine.c (simplify_logical, case AND): Only call
25647 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25648 or the constant is positive.
25650 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25652 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25653 * configure: Regenerate.
25655 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25657 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25658 require a sub-version #.
25659 * configure: Rebuilt.
25661 1999-06-14 Robert Lipe (robertlipe@usa.net)
25663 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25665 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25667 * c-typeck.c (process_init_element): Detect excess elements in
25668 char array initializer.
25670 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25672 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25674 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25676 * invoke.texi (Option Summary): Add -fpermissive flag.
25678 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25680 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25681 that require PIC code sequences.
25683 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25685 * configure.in: Add new target: thumb-elf.
25686 * configure: Regenerate.
25687 * config/arm/t-thumb-elf: New file: Makefile fragment for
25689 * config/arm/telf.h: New file: Header file for thumb-elf
25692 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25694 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25695 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25696 initializers is some circumstances.
25698 * fixinc/inclhack.def (endif_label): Add additional selector for
25699 more bogus stuff after #endif statements.
25700 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25702 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25704 * i386/cygwin.h (SET_ASM_OP): Define.
25706 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25708 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25710 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25712 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25715 * sh.md (ic_invalidate_line_i): Remove second alternative.
25717 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25719 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25720 test for the presence of valid prototypes. Delete bypass expr.
25721 (ioctl_fix_ctrl): Correct the selection expression.
25722 (no_double_slash): Correct quoting rules
25723 *fixinc/fixincl.x: regen
25724 *fixinc/inclhack.sh: regen
25726 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25728 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25730 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25732 * rs6000.md (movsi_got_internal_mem): Delete.
25733 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25734 (GOT_TOC_REGNUM): Delete.
25735 (PIC_OFFSET_TABLE_REGNUM): Define.
25736 (FINALIZE_PIC): Disable.
25737 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25738 (rs6000_replace_regno): Delete.
25739 (rs6000_finalize_pic): Likewise.
25740 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25742 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25744 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25745 is a note; use <= for the compare; advance P while it is
25748 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25750 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25751 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25753 * varasm.c (remove_from_pending_weak_list): Verify t->name
25754 is non-NULL before passing it to strcmp.
25756 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25758 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25759 the typed arguments are not part of a comment
25760 (ioctl_fix_ctrl): Added a purpose comment
25761 *fixinc/fixincl.x: regenerate
25762 *fixinc/inclhack.sh: regenerate
25764 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25766 * invoke.texi: Add C4x invocation docs.
25768 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25770 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25772 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25774 (c4x_legitimize_reload_address): New function.
25775 * config/c4x/c4x.md: Update docs.
25777 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25779 * fixincludes: Avoid removing '.'.
25780 * fixinc/fixinc.svr4: Likewise.
25781 * fixinc/fixinc.winnt: Likewise.
25782 * fixinc/inclhack.tpl: Likewise.
25783 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25785 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25787 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25789 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25791 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25793 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25796 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25798 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25799 * configure: Regenerate.
25801 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25803 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25806 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25808 * fixinc/inclhack.def (avoid_bool): Also catch
25809 "typedef [unsigned] int bool".
25810 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25812 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25813 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25814 * configure: Rebuilt.
25816 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25818 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25819 such that we can override its definitions if necessary.
25820 (CPP_SPEC): New define. Support processor specific predefines via
25822 (CC1_SPEC): New define. Support processor specific compiler
25823 options via %(cc1_cpu).
25824 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25827 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25829 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25830 between sed's -e flag, and the open-quote following it.
25831 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25833 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25834 Jeffrey A Law (law@cygnus.com)
25836 * varasm.c (assemble_start_function): Remove the function
25837 from the pending weak decls list when we define a function.
25838 (assemble_variable): Similarly for variables.
25839 (weak_finish): Ignore items on the list with a NULL name.
25840 (remove_from_ending_weak_list); New function to "remove" an item
25841 from the pending weak declarations list.
25843 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25845 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25847 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25849 * c-lex.c (GETC): Redefine to call getch.
25850 (UNGETC): Redefine to call put_back.
25851 (putback_buffer): New structure type.
25852 (putback): New static structure.
25853 (getch): New function.
25854 (put_back): New function.
25855 (yylex): Replace unused bytes from bad multibyte character.
25857 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25859 * cpplib.c (do_define): Cast `alloca' return value.
25860 (do_include, do_undef, do_pragma): Likewise.
25861 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25863 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25864 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25866 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25868 * sparc.md (abstf2): This should be an expand.
25869 (split after abstf2_notv9): Fix mode.
25870 (abstf2_hq_v9): New pattern.
25871 (abstf2_v9): Only use when no hard quad.
25872 (absdf2_v9): Fix if target is not the same as source.
25873 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25874 Add correct output constraints.
25876 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25878 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25879 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25881 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25883 * mips.h (mips_output_conditional_branch): New function.
25884 (mips_adjust_insn_length): Likewise.
25885 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25886 (ADJUST_INSN_LENGTH): Likewise.
25887 * mips.c (print_operand): Add `F' and `W' for floating-point
25888 comparison opcodes.
25889 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25891 (mips_adjust_insn_length): New function.
25892 (mips_output_conditional_branch): New function.
25893 * mips.md (length): Adjust attribute definition to handle
25894 conditional branches. Change lengths to bytes, rather than
25895 instructions throughout. Remove length attribute from
25896 instructions whose length is four bytes, and rely on the default
25898 (dslot): Fix typo in comment.
25899 Reword conditional branch patterns to use
25900 mips_output_conditional_branch.
25902 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25904 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25905 (LIB_SPEC): Likewise.
25906 Link with -lprof1_r for -g/-pg.
25908 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25910 * loop.c (check_dbra_loop): Fix change of Jan 19.
25912 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25914 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25915 (STARTFILE_SPEC): Define, override the svr4.h version.
25916 (ENDFILE_SPEC): Likewise.
25918 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25920 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25921 * fixinc/fixincl.x: Regenerated.
25922 * fixinc/inclhack.sh: Regenerated.
25924 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25926 * sh.c (barrier_align): Don't return early for normal branch/barrier
25927 when optimizing for SH2.
25929 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25931 * i386/udk.h (LINK_SPEC): Correct linker search path for
25934 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25936 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25937 (braf_label_ref_operand): Delete.
25938 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25939 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25940 label_ref, and has no predicate.
25941 The patten has a predicate to guard against invalid substitutions.
25942 (dummy_jump): Delete.
25943 (casesi): Update use of casesi_jump_2.
25945 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25947 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25948 *fixinc/fixincl.x: regenerate
25949 *fixinc/inclhack.sh: regenerate
25951 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25953 * dwarf2out.c (add_incomplete_type): New fn.
25954 (gen_struct_or_union_type_die): Call it.
25955 (retry_incomplete_types): New fn.
25956 (dwarf2out_finish): Call it.
25958 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25960 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25961 current block starts with a CODE_LABEL and ends with a CALL and
25962 we can not find all the argument setup instructions for the CALL.
25964 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25966 Revert this change:
25967 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25968 something is a candidate for optimize_bit_field_compare.
25970 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25972 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25974 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25976 * alpha.c (override_options): Thinko in last patch.
25978 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25979 (LIB_SPEC): Recognize -pthread.
25981 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25983 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25984 definition in config/arm/coff.h
25985 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25987 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25989 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25990 fixes that need "file=xxx\n" prepended before invocation
25991 (start_fixer - new): starting the fixer process is complex enough
25992 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25993 (process): uses the new routine; omit usage of putenv()
25994 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25995 * fixinc/fixincl.x: regenerate
25997 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25999 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26000 and version #s (1.1 -> 2.96) as needed.
26001 * README.g77: Kill way out of date file in the toplevel directory.
26003 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26005 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26006 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26007 * configure: Rebuilt.
26008 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26009 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26010 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26011 (SWITCH_TAKES_ARG): Likewise.
26012 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26013 * config/t-freebsd: Moved from config/i386/ so it can used for all
26016 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26018 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26020 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26022 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26023 * configure: Rebuilt.
26025 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26027 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26028 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26029 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26030 (rs6000_output_load_toc_table): Same.
26031 (output_prolog, output_mi_thunk): Same.
26032 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26033 (ASM_GLOBALIZE_LABEL): Use putc.
26035 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26037 * alpha.md (reload_*_help): New patterns and splitters.
26038 (reload_*): Use them.
26039 (mov[qh]i): Likewise.
26041 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26043 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26046 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26048 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26050 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26052 * flow.c (mark_regs_live_at_end, insn_dead_p,
26053 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26054 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26055 hasn't run or the frame pointer is needed.
26056 * haifa-sched.c (attach_deaths): Likewise.
26057 * sched.c (attach_deaths): Likewise.
26059 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26061 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26062 calculate_can_reach_end returns nonzero.
26064 * configure.in (native gas tests): Search for an assembler in the
26065 same manner that the installed compiler will.
26066 * configure: Rebuilt.
26067 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26069 * alias.c (find_base_term): Improve handling of addresses
26070 constructed from binary operations.
26072 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26074 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26076 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26078 * function.h (cleanup_label, frame_offset): Declare.
26079 (tail_recursion_label, tail_recursion_reentry): Likewise.
26080 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26081 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26082 (tail_recursion_label, tail_recursion_reentry): Likewise.
26083 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26085 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26087 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26089 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26090 (MAX_OFILE_ALIGNMENT): Define.
26092 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26094 * fixincl.c: Replace local include scheme with #includes of
26095 gansidecl.h and system.h.
26096 * procopen.c: Likewise.
26097 * server.c: Likewise.
26099 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26101 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26102 (crti.o): Add build rule and dependencies.
26103 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26105 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26107 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26108 (LIB_LINUX_SPEC): Likewise.
26109 (LIB_LINUX_SPEC): Add support for -pthread
26110 (CPP_OS_LINUX_SPEC): Likewise.
26111 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26114 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26116 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26118 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26119 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26120 for IEEE math and CC_FCOMI.
26121 (put_jump_code): No IEEE if CC_FCOMI is set.
26123 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26125 * fold-const.c (fold_truthop): Make the field reference unsigned
26126 when converting a single bit compare.
26128 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26130 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26132 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26134 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26135 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26138 * reload.c (push_reload): Do not call remove_address_replacements
26139 when presented with identical optional reloads.
26141 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26143 * alpha.h (MASK_FIX, TARGET_FIX): New.
26144 (MASK_*): Reorganize constants.
26145 (CPP_AM_FIX_SPEC): New.
26146 (TARGET_SWITCHES): Add FIX.
26147 (EXTRA_SPECS): Likewise.
26148 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26149 (SECONDARY_MEMORY_NEEDED): Likewise.
26150 (REGISTER_MOVE_COST): Likewise.
26151 * alpha.c (override_options): Add FIX support. Always use
26152 ALPHA_TP_PROG for ev6.
26153 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26154 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26155 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26157 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26159 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26160 something is a candidate for optimize_bit_field_compare.
26162 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26164 * gcc.texi (Passes): Document branch-shortening.
26165 * invoke.texi (Debugging Options): Document the fact that `-dp'
26166 outputs length information for instructions.
26168 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26170 * flow.c: Revert previous delta.
26172 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26174 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26175 FRAME_POINTER_REGNUM.
26176 (mark_set_1): Ditto.
26177 (mark_used_regs): Ditto.
26179 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26181 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26182 (GOT_PCREL): New macro. Define to 1 if not already defined.
26183 * arm/elf.h (GOT_PCREL): Define to 0.
26184 * arm.c (arm_finalize_pic): Take into account the setting of
26187 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26189 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26190 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26192 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26193 store elimination candidates.
26195 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26197 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26200 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26202 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26203 Add use of x-aix41-gld.
26205 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26207 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26208 (ASM_OUTPUT_DESTRUCTOR): Define.
26210 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26212 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26213 last CODE_LABEL in a loop if we have previously passed a jump
26214 to the top of the loop.
26216 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26218 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26219 applying Philip's patch.
26221 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26223 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26226 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26228 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26230 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26232 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26233 Also remove a useless comment.
26235 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26237 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26239 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26241 * collect2.c (main): Only generate import or export file and add
26242 to link arguments if non-empty. Use xmalloc not alloca.
26243 (write_{export,import}_file): Delete.
26244 (write_aix_file): New function.
26245 (locatelib): Use xmalloc not malloc.
26246 (GCC_OK_SYMBOL): Do not check type if aix64.
26248 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26250 Based on patch by Scott Bambrough and Pat Beirne:
26251 * config/arm/arm.c (making_const_table): New variable.
26252 * config/arm/arm.h (making_const_table): Declare.
26253 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26255 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26256 Keep track of when we are building the constant table.
26258 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26260 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26263 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26265 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26268 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26270 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26273 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26275 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26277 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26279 * rs6000.c (output_mi_thunk): Enable full support again.
26281 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26283 * sh.h (BRANCH_COST): Define.
26285 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26287 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26289 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26291 * function.c (assign_stack_local): Align stack slot propertly.
26292 (assign_outer_stack_local): Likewise.
26294 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26296 * expr.h (lang_expand_constant): Declare.
26297 * toplev.c (lang_expand_constant): Define it.
26298 * varasm.c (output_constant): Use it.
26300 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26302 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26303 Change function definitions to K&R style.
26305 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26307 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26309 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26311 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26312 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26313 (several places): omit static initialization
26314 (process): use single fd, since only the read fd is used
26315 * fixinc/gnu-regex.c: define 'const' away, if not supported
26316 * fixinc/procopen.c(several places): omit static initialization
26317 * fixinc/server.c: define 'volitile' away, if not supported
26319 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26321 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26322 asm_fprintf and %L to generate the label name.
26323 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26324 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26326 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26328 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26329 insn for a conditional jump can not be found.
26331 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26333 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26334 on variables in specific sections other than .sbss and .sdata.
26336 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26338 * stmt.c (expand_return): Call start_cleanup_deferral and
26339 end_cleanup_deferral around conditional code.
26341 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26343 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26344 filename lists. Utilizes new "krstr" AutoGen function.
26345 * fixinc/fixincl.x: Rebuilt.
26347 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26349 * i386.c (output_float_compare): Avoid GNU-C extensions.
26351 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26353 * version.c: Bump to distinguish mainline tree from the
26356 See ChangeLog.1 for earlier changes.