1 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6 * cppfiles.c (file_cleanup): Delete.
7 * cpphash.c (macro_cleanup): Delete.
8 (collect_objlike_expansion, collect_funlike_expansion,
9 macarg, scan_arguments): Remove CPP_POP case.
11 * cpplex.c (null_cleanup): Delete.
12 (cpp_pop_buffer): Do the work that was done in the cleanups
13 here. Call _cpp_unwind_if_stack from here.
14 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
15 cpp_scan_buffer): Run until we see CPP_EOF and the top of
16 stack is the buffer _below_ the one we stacked.
17 (cpp_get_token): Always pop an exhausted buffer. Return
18 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
19 * cpplib.c (skip_if_group): Don't call cpp_get_token to
20 increment the line number.
21 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
23 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
24 we see CPP_EOF and the top of stack is the buffer _below_ the
26 * scan-decls.c: Likewise.
28 2000-05-02 Andrew Haley <aph@cygnus.com>
30 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
31 where this function is called for the second time on a decl that
32 has had its section info changed in such a way as to move it out
34 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
36 2000-05-01 Richard Henderson <rth@cygnus.com>
38 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
39 the sequence we're moving, not to merge_bb->head.
41 2000-05-01 Richard Henderson <rth@cygnus.com>
43 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
44 reference to alpha/t-linux.
45 (alpha*-*-linux-gnu*): Likewise.
48 * calls.c (expand_call): Don't emit reg notes for a sibcall.
50 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
53 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
55 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
57 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
60 2000-05-01 Richard Henderson <rth@cygnus.com>
62 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
63 emit_conditional_move.
65 2000-05-01 Jakub Jelinek <jakub@redhat.com>
67 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
68 as the dynamic linker.
70 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
72 * cppfiles.c (open_include_file): Open file in blocking mode.
73 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
74 Only exclude block devices and directories.
76 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
77 static. Allocate the hashnode and its string in the same
79 (del_HASHNODE): Don't free h->name.
80 (_cpp_lookup): If there is no entry for this string, create
82 (_cpp_lookup_slot): Delete.
83 * cpphash.h: Update prototypes.
85 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
87 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
88 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
89 node here, just fill in the value field properly. "Delete"
90 entries by setting the value field to T_VOID. Check for
91 hp->type == T_VOID, not hp == NULL.
93 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
94 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
97 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
99 * config/mn10300/mn10300.c (print_operand_address): Do not add
102 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
103 adjusted by less than 256 bytes, use ret regardless of having any
104 callee-saved register to restore.
106 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
108 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
110 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
112 * config/i386/djgpp.h (INT_ASM_OP): Define.
113 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
114 (ASM_WEAKEN_LABEL): Define.
115 (MASK_BNU210): Define.
116 (SUBTARGET_SWITCHES): Define.
117 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
118 (MAKE_DECL_ONE_ONLY): Define.
119 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
121 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
123 * i386/cygwin.h (INT_ASM_OP): Define.
125 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
127 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
128 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
130 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
132 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
133 __tmp_reg__ and __zero_reg__ initialization.
135 2000-04-30 Richard Henderson <rth@cygnus.com>
137 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
139 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
140 referenced bewteen the condition and the jump. Don't delete
141 anything but the jump.
143 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
145 * bb-reorder.c (scope_def): New struct.
146 (scope_forest_info): New struct.
147 (struct reorder_block_def): New member "scope".
148 (REORDER_BLOCK_SCOPE): New macro.
149 (relate_bbs_with_scopes): New function and prototype.
150 (make_new_scope): Likewise.
151 (build_scope_forest): Likewise.
152 (remove_scope_notes): Likewise.
153 (insert_intra_1): Likewise.
154 (insert_intra_bb_scope_notes): Likewise.
155 (insert_inter_bb_scope_notes): Likewise.
156 (rebuild_scope_notes): Likewise.
157 (free_scope_forest_1): Likewise.
158 (free_scope_forest): Likewise.
159 (dump_scope_forest): Likewise.
160 (dump_scope_forest_1): Likewise.
161 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
162 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
164 (reorder_basic_blocks): Added calls to build_scope_scope_forest
165 and remove_scope_notes before reordering is done. Added calls to
166 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
167 after reordering is done.
169 2000-40-30 Bruce Korb <bkorb@gnu.org>
171 * fixinc/inclhack.def: Added definitions needed by OSR5,
172 removed two stale entries (defined away with OLD_CPP).
173 * fixinc/inclhack.sh: regen
174 * fixinc/fixincl.x: regen
176 2000-04-30 Richard Henderson <rth@cygnus.com>
178 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
179 from the last insn in the sequence.
181 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
183 * cpplex.c (cpp_idcmp): New function.
184 * cpplib.h: Prototype it.
185 * scan_decls.c (scan_decls): Use it to inspect token names.
186 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
187 the file being run through the preprocessor.
188 (check_macro_names): Provide length of token to cpp_defined.
190 * Makefile.in: Remove stale warning message.
192 * cppfiles.c (redundant_include_p): Provide length of token to
194 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
195 values are unsigned int.
196 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
197 (_cpp_lookup_slot): Do not calculate the hash, either.
198 * cpphash.h: Update prototypes.
199 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
200 Hashes are unsigned int. Calculate hash here, pass by value
203 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
205 * simplify-rtx.c (check_value_useless): Delete function.
206 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
208 (cselib_invalidate_regno): Likewise.
209 (cselib_invalidate_mem_1): Likewise.
210 (references_value_p): Recognize useless values by the fact that they
212 (discard_useless_values): Likewise.
213 (cselib_record_set): This may turn a useless value
216 2000-04-30 Richard Henderson <rth@cygnus.com>
218 * config/d30v: New port.
220 * configure.in (d30v-*): Set fp format.
221 * configure: Rebuild.
223 2000-04-30 Richard Henderson <rth@cygnus.com>
226 * Makefile.in (OBJS): Add it.
227 (ifcvt.o): New target.
228 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
229 and conditional arithmetic.
230 (find_insert_position): Remove.
231 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
232 * toplev.c (DFI_ce, DFI_ce2): New.
233 (dump_file): Add ce and ce2 dumps.
234 (rest_of_compilation): Run if_convert a couple o times. Set
235 cse_not_expected after cse2. Don't set no_new_pseudos until
236 after sched1 or recompute_reg_usage.
238 2000-04-30 Richard Henderson <rth@cygnus.com>
240 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
241 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
243 2000-04-30 Richard Henderson <rth@cygnus.com>
245 * flow.c (struct reg_cond_life_info): New.
246 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
247 (init_propagate_block_info): Initialize them.
248 (free_propagate_block_info): Destruct them.
249 (mark_set_1): Consider conditional life before killing a register.
250 (mark_regno_cond_dead): New.
251 (free_reg_cond_life_info): New.
252 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
253 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
254 (mark_used_reg): Record conditional life.
256 * haifa-sched.c (schedule_insns): Disable death counting
257 sanity check for HAVE_conditional_execution.
259 2000-04-30 Richard Henderson <rth@cygnus.com>
261 * Makefile.in (TIMEVAR_H): New.
262 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
263 (timevar.h): Remove rule.
265 2000-04-29 Richard Henderson <rth@cygnus.com>
267 * config/alpha/crtend.asm: Use C comments instead of #.
268 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
270 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
272 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
274 * cpphash.h (enum node_type: Take out T_MCONST.
275 (union hashval): Move into struct hashnode.
276 (struct hashnode): Pack tighter. Remove file, line, col
278 * cpphash.c: Constify most of the macro-definition structures.
279 (struct definition): Replace by struct object_defn
280 and struct funct_defn. Put file, line, column information
281 here. All users updated to match.
282 (_cpp_create_definition, _cpp_macroexpand): Remove special
283 case for #define WORD OTHERWORD.
284 * cpplib.c (do_undef): Remove T_MCONST case.
286 * cpphash.h: Move struct reflist, struct definition, and the
287 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
288 union hashval. _cpp_free_definition takes a HASHNODE pointer.
289 * cpphash.c (_cpp_free_definition): Free data pointed to by
290 MCONST, XCONST, MACRO, and FMACRO nodes properly.
291 (_cpp_create_definition, del_HASHNODE): Just call
292 _cpp_free_definition to clear out a hashnode.
293 * cpplib.c (do_pragma_poison): Likewise.
295 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
297 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
298 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
299 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
300 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
301 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
302 REGNO_AM33_P): Redefine in terms of the new macros.
303 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
304 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
305 STRUCT_VALUE): Likewise.
306 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
307 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
309 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
311 * regmove.c (struct record_stack_memrefs_data): New.
312 (record_stack_memrefs): New function.
313 (combine_stack_adjustments_for_block): Use it.
315 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
317 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
318 use special_function_p to detect alloca.
320 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
322 * gcc.texi: Fixes for makeinfo 4.0 --html.
324 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
326 * pcp.h: Delete file.
328 2000-04-28 Kazu Hirata <kazu@hxi.com>
330 * h8300.c (function_epilogue): Clean up flags when the last insn
331 in a function is a barrier.
333 2000-04-28 Chris Demetriou <cgd@sibyte.com>
335 * configure.in (sparc-hal-solaris2*): protect [] glob from
337 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
338 rather than hard-coded constants in target_cpu_default2.
339 * configure: Regenerate.
341 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
343 * tree.c (get_callee_fndecl): Extract the initial value from
346 2000-04-28 Richard Henderson <rth@cygnus.com>
348 * varasm.c (record_constant_1): Record the CODE_LABEL when
349 taking the address of a LABEL_REF.
351 2000-04-28 Richard Henderson <rth@cygnus.com>
352 Jan Hubicka <jh@suse.cz>
354 * calls.c (combine_pending_stack_adjustment_and_call): Return the
355 adjustment; don't do the stack adjust.
356 (expand_call): Call compute_argument_block_size right before
357 allocating the block; update comment; don't do alignment sanity
358 checking for sibling call; use args_size instead of
359 unadjusted_args_size before args_size is adjusted. Use
360 combine_pending_stack_adjustment_and_call to compute stack adjust
361 for must_preallocate case.
363 * expr.c (push_block): Remove shadow `temp' in inner scope.
365 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
367 * toplev.c (rest_of_compilation): Call
368 note_deferral_of_defined_inline_function even if the function
371 2000-04-28 Scott Bambrough <scottb@netwinder.org>
373 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
375 2000-04-28 Richard Henderson <rth@cygnus.com>
377 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
379 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * timevar.c (init_timevar): DeANSIfy function definition.
383 2000-04-27 Alex Samuel <samuel@codesourcery.com>
385 * Makefile.in (timevar.o): Depend on flags.h.
386 * timevar.c (unused_stack_instances): New variable.
387 (timevar_push): Take a timevar_stack_def from
388 unused_stack_instances if available.
389 (timevar_pop): Push the popped timevar_stack_def onto
390 unused_stack_instances.
391 (TIMEVAR_ENABLE): New macro.
392 (timevar_def): Make standalone a 1-bit field. Add field used.
393 (get_time): Rename parameter to now. Return after clearing it if
395 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
396 (timevar_pop): Likewise.
397 (timevar_stop): Likewise.
398 (timevar_push): Likewise. Mark the timing variable as used.
399 (timevar_start): Likewise.
400 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
401 timevars that were never used.
403 2000-04-27 Mark Mitchell <mark@codesourcery.com>
405 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
406 always TREE_READONLY.
408 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
410 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
411 for call instruction with mode QImode.
413 2000-04-27 Alex Samuel <samuel@codesourcery.com>
415 * Makefile.in (OBJS): Add timevar.o.
416 (toplev.o): Depend on timevar.h.
417 (ggc-simple.o): Likewise.
418 (ggc-page.o): Likewise.
419 (timevar.o): New rule.
420 (timevar.h): New rule.
422 * timevar.h: New file.
423 * timevar.c: Likewise.
424 * timevar.def: Likewise.
426 * toplev.h (gc_time, parse_time, varconst_time): Remove.
427 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
429 (TIMEVAR): Remove macro.
430 (gc_time, parse_time, varconst_time, integration_time, jump_time,
431 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
432 flow_time, combine_time, regmove_time, sched_time,
433 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
434 sched2_time, dbr_sched_time, reorder_blocks_time,
435 rename_registers_time, shorten_branch_time, stack_reg_time,
436 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
438 (compile_file): Don't initialize time variables. Call
439 init_timevar and start TV_TOTAL timer. Call timevar_print instead
440 of many calls to print_time.
441 (rest_of_compilation): Add timing for reload_cse_regs.
442 (get_run_time): Removed to timevar.c.
443 (print_time): Likewise.
444 (get_run_time): Implement using TV_TOTAL time variable.
445 (print_time): Get total run time from get_run_time.
446 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
447 computing elapsed time explicitly.
448 * ggc-simple.c (ggc_collect): Likewise.
449 (gc_time): Remove declaration.
451 2000-04-27 Mark Mitchell <mark@codesourcery.com>
453 * calls.c (combine_pending_stack_adjustment_and_call): New function.
454 (expand_call): Use it.
456 2000-04-27 Jan Hubicka <jh@suse.cz>
458 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
461 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
463 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
466 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
468 * function.c (epilogue_done): Pass whole insn to record_insns.
470 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
472 * cse.c (CSE_ADDRESS_COST): Remove.
473 (find_best_addr): Add new parameter "MODE", use address_cost instead
476 (fold_rtx): Update call of find_best_addr.
477 * rtl.h (address_cost): Declare.
478 * loop.c (general_induction_var): Add new parameter "MODE", use
479 address_cost instead of ADDRESS_COST
480 (init_loop): Use address_cost instead of ADDRESS_COST.
481 (check_insn_for_givs): Update call of general_induction_var.
482 (find_mem_givs): Likewise.
483 (consec_sets_giv): Likewise.
484 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
485 * i386.c (ix86_address_cost): New.
486 * i386-protos.h (ix86_address_cost): Declare.
488 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
490 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
493 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
495 * expr.c (store_expr): Use clear_storage instead of direct memset
498 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
500 * config/mn10300/mn10300.c (mn10300_address_cost): Test
501 ASHIFT, AND and LABEL_REF.
503 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
505 * invoke.texi (-foptimize-sibling-calls): Fix.
507 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
509 * loop.c (load_mems) Don't use hard registers for the hoisting.
511 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
512 calculation; rename const_equiv array in the preconditioning code
513 from loop_unroll to loop_unroll_precondition
515 2000-04-27 Richard Henderson <rth@cygnus.com>
517 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
519 (propagate_one_insn): Clear it. Don't update reg_live here.
520 (init_propagate_block_info): Update for pbi member changes.
521 (free_propagate_block_info): Likewise.
522 (mark_set_1): Know that zero_extract, sign_extract, and
523 strict_low_part don't kill their argument. Alter hard subregs.
524 Update new_set for non-CLOBBER sets. Update reg_live.
525 (find_auto_inc): Update reg_live, not new_dead.
526 (mark_used_reg): Update reg_live, not new_live. Examine new_set
527 to determine if the reg in question was set this insn. Only update
528 reg info with PROP_REG_INFO.
530 2000-04-26 Richard Henderson <rth@cygnus.com>
532 * flow.c (allocate_reg_life_data): Set max_regno here ...
533 (life_analysis): ... not here.
535 * flow.c (calculate_global_regs_live): Force stack pointer
538 2000-04-26 Richard Henderson <rth@cygnus.com>
540 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
541 commit change group changes.
542 (invert_exp_1): Similarly.
543 (redirect_exp, invert_exp): Use them.
544 (redirect_jump_1): New.
545 (invert_jump_1): New.
546 (jump_optimize_1): Remove code subsumed by condexec.c.
547 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
549 2000-04-26 Richard Henderson <rth@cygnus.com>
551 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
553 * genconfig.c (main): Set all HAVE_foo to 1.
555 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
557 2000-04-26 Alex Samuel <samuel@codesourcery.com>
559 * invoke.texi: Document -fssa flag.
561 2000-04-26 Richard Henderson <rth@cygnus.com>
563 * flow.c (count_reg_sets_1): Remove.
564 (count_reg_sets, count_reg_references): Remove.
565 (recompute_reg_usage): Implement with update_life_info.
566 Reallocate life data.
568 2000-04-26 Richard Henderson <rth@cygnus.com>
570 * flow.c (update_life_info): Consider blocks null to mean the
572 (calculate_global_regs_live): Likewise.
573 (life_analysis): Do that instead of collecting all_blocks.
575 2000-04-26 Richard Henderson <rth@cygnus.com>
577 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
578 a still-valid conditional jump.
580 2000-04-26 Richard Henderson <rth@cygnus.com>
582 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
584 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
585 * flow.c (calculate_loop_depth): Remove.
586 * output.h (calculate_loop_depth): Don't declare.
587 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
588 inline; run estimate_probability at the same time.
590 2000-04-26 Neil Booth <NeilB@earthling.net>
592 * cpplib.h: "~=" is not a single pp-token.
593 * cpplex.c: Correct commentary.
595 2000-04-26 Richard Henderson <rth@cygnus.com>
597 * flow.c (mark_set_1): New arguments code and flags; update all
598 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
599 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
600 loop_depth when optimizing for size. Do new_dead update after
601 emitting REG_UNUSED notes. Merge mark_set_reg code.
602 (mark_set_reg): Remove.
603 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
604 arrange to not emit REG_UNUSED notes.
606 2000-04-26 Richard Henderson <rth@cygnus.com>
608 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
609 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
611 2000-04-26 Richard Henderson <rth@cygnus.com>
613 * flow.c (propagate_one_insn): Break out from propagate_block.
614 (init_propagate_block_info): Likewise.
615 (free_propagate_block_info): Likewise.
616 (propagate_block): Use them. Export.
617 * basic-block.h: Declare them all.
619 2000-04-26 Richard Henderson <rth@cygnus.com>
621 * basic-block.h (life_analysis): Declare here ...
622 * output.h: ... not here.
623 * flow.c (life_analysis): Remove nregs parameter; replace
624 remove_dead_code with flags. Remove ssa dead code check.
625 Only init alias analysis if we'll use it.
626 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
627 * ssa.c (convert_to_ssa): Likewise.
628 (convert_from_ssa): Likewise.
629 * toplev.c (rest_of_compilation): Likewise.
631 2000-04-26 Richard Henderson <rth@cygnus.com>
633 * flow.c (flow_delete_block): Rename from delete_block. Export.
634 * basic-block.h (flow_delete_block): Declare.
636 2000-04-26 David S. Miller <davem@redhat.com>
638 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
639 taking a PATTERN of it.
641 2000-04-26 <NeilB@earthling.net>
643 * cpplex.c (spell_other, spell_char): Remove.
645 (token_spelling, trigraph_map): Use unsigned chars.
646 (_cpp_lex_line): Tidy up the switch statement.
647 * cpplib.h: Implement spell_char with spell_string.
650 2000-04-26 <RodneyBrown@pmsc.com>
652 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
653 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
655 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
657 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
658 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
659 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
660 dwarf2out_return_save, dwarf2out_return_reg,
661 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
662 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
663 gen_compile_unit_die, dwarf2out_init): Constify a char*.
665 * dwarf2out.h (dwarf2out_init): Likewise.
667 * dwarfout.c (filename_entry, primary_filename, last_filename,
668 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
670 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
671 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
672 dwarf2out_return_reg): Likewise.
674 2000-04-26 Andreas Jaeger <aj@suse.de>
676 * extend.texi (Function Attributes): Fix description of pure
679 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
681 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
682 before calling rest_of_compilation.
684 2000-04-26 Andreas Jaeger <aj@suse.de>
686 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
689 2000-04-25 Richard Henderson <rth@cygnus.com>
691 * cse.c (cse_insn): Emit barrier after unconditional jump.
693 * calls.c (expand_call): Disable tail call generation once
694 rtx_equal_function_value_matters is false.
696 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
699 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
701 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
703 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
705 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
706 is the primary DIE for a member function.
707 (gen_decl_die): Call set_decl_origin_self here.
708 * dwarfout.c (output_decl): And here.
709 * integrate.c (output_inline_function): Not here.
710 Don't clear DECL_INLINE until after calling rest_of_compilation.
711 (set_decl_origin_self): No longer static.
712 * tree.h: Add prototype.
713 * toplev.c (note_deferral_of_defined_inline_function): Only write
714 out abstract instance for actual inlines.
716 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
718 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
719 EXTENDED_REGS only if TARGET_AM33.
720 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
721 SP_REGS to register allocation and reloading unless absolutely
723 (movsi3): Remove special-case of adding non-constants to SP.
725 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
727 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
728 INCLUDES to search and does not provide any of its own. Also it
729 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
730 parameters. Also it does not call AC_DEFINE.
731 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
732 AC_DEFINE and provides for automatic entries for autoheader.
733 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
735 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
736 so we can pass -I flags and include gansidecl.h/system.h in this
739 * acconfig.h: Delete all NEED_DECLARATION_* entries.
741 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
743 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
744 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
745 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
747 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
748 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
749 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
750 for these macros. Clean up spacing and linewraps.
752 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
754 * calls.c (expand_call): Use get_callee_fndecl.
756 * print-tree.c (print_node): Print the chain of an _EXPR.
758 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
759 Jim Wilson <wilson@cygnus.com>
760 Andrew Haley <aph@cygnus.com>
762 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
763 and gp save/restore problems.
764 * config/ia64/crtend.asm: Add IA-64 unwind support.
765 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
766 in fr_pad_size calculation.
767 (save_restore_insns): Move PR save area. Correct uses of
769 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
770 (ia64_expand_epilogue): Add eh_epilogue support.
771 (ia64_function_prologue): Emit .prologue directive.
772 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
773 (ia64_override_options): Set init_machine_status and
775 (rtx_needs_barrier): Handle bsp reads and writes.
776 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
777 New static variables.
778 (process_set, process_for_unwind_directive): New functions.
779 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
780 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
781 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
783 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
784 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
785 (struct machine_function): Define.
786 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
788 2000-04-25 Bruce Korb <bkorb@gnu.org>
790 * fixinc/Makefile.in: make the removal of old programs more
792 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
793 install-bin and install-sh
795 2000-04-25 Nick Clifton <nickc@cygnus.com>
797 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
798 defined, define to return zero.
799 (function_cannot_inline_p): If a function has any target
800 specific attributes, then use the macro
801 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
802 whether it can be inlined. If it cannot, issue a suitable
805 * tm.texi: Add a new node 'Inlining' to document the new macro
806 FUNCTION_ATTRIBUTE_INLINABLE_P.
808 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
810 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
813 2000-04-25 Neil Booth <NeilB@earthling.net>
815 Restore previous patch, plus the following fixes:
817 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
818 flags, not CPP_OPEN_PAREN.
819 * cpplex.c (expand_token_space, init_token_list,
820 cpp_free_token_list): Put the dummy token at list->tokens[-1].
821 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
823 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
825 * config/i386/freebsd.h (INT_ASM_OP): Define.
827 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
829 * loop.c (strength_reduce): Fix typo in the last checkin.
831 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
833 * stor-layout.c (finalize_record_size): Simplify to use existing
835 (compute_record_mode): No longer static.
836 * tree.h (compute_record_mode): New declaration.
838 2000-04-25 Neil Booth <NeilB@earthling.net>
840 * Revert my patch below until cause of build failures
843 2000-04-25 Richard Henderson <rth@cygnus.com>
845 * combine.c (combine_instructions): Add missing argument
848 * toplev.c (rest_of_compilation): Delay sibcall optimization
849 until after emit_eh_context.
851 2000-04-24 Nick Clifton <nickc@redhat.com>
853 * combine.c (combine_instructions): Do not try to combine a
854 sequence of insns when the second insn has been replaced by a
857 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
859 * gcc.c (load_specs): New static function.
860 (read_specs): Use it.
862 * gcc.c (lookup_compiler): Make multiple passes for case
863 insensitive filesystems.
865 2000-04-24 Neil Booth <NeilB@earthling.net>
867 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
868 * cpphash.h (_cpp_check_directive): new.
869 * cpplex.c (handle_newline, cpp_free_token_list,
870 init_trigraph_map, trigraph_ok, trigraph_replace,
871 backslash_start, skip_block_comment, skip_line_comment,
872 skip_whitespace, parse_name, parse_number, parse_string,
873 copy_comment, _cpp_lex_line, spell_char, spell_string,
874 spell_comment, spell_name, spell_other, _cpp_lex_file,
875 _cpp_output_list): new.
876 (expand_name_space): take length argument.
877 (init_token_list): add comment list initialisation.
878 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
879 instead of HSPACE_BEFORE.
881 * cpplib.c (_cpp_check_directive): new
882 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
883 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
884 (HSPACE_BEFORE): delete.
885 (TTYPE_TABLE): rearrange.
886 (struct cpp_toklist): update.
888 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
890 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
891 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
892 argument form of AC_DEFINE.
894 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
895 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
896 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
897 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
898 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
900 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
902 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
905 deduced.h): Use -isystem, not -I, for including system headers.
907 2000-04-24 Nick Clifton <nickc@cygnus.com>
909 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
910 the source register is the frame pointer or arg pointer.
911 (addsi3_small_int): Disallow if source register is the frame
912 pointer or arg pointer.
914 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
916 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
917 call to AC_MSG_RESULT.
919 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
921 * invoke.texi: Correct grammatical errors, document
922 -fno-gnu-keywords as identical to -fno-asm for C++.
924 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
926 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
927 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
928 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
929 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
930 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
932 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
933 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
934 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
935 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
938 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
940 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
941 (pop_alignment): Likewise.
942 (handle_pragma_token): Likewise.
944 2000-04-24 Robert Lipe <robertlipe@usa.net>
946 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
948 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
950 * combine.c (try_combine): Update reg_nonzero_bits of
951 newi2pat before newpat.
953 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
955 * loop.c (strength_reduce): Simplify test to INSN_P.
956 (record_giv): Attempt to simplify the add value, use CONSTANT_P
957 expressions instead of CONST_INT.
958 (express_from_1): Likewise.
960 2000-04-24 Mark Mitchell <mark@codesourcery.com>
962 * regs.h (reg_n_max): Don't declare.
963 * flow.c (reg_n_max): Don't define.
964 * regclass.c (renumber): Don't initialize to zero.
965 (regno_allocated): Likewise.
967 (allocate_reg_info): Don't initialize unnecessarily.
969 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
971 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
972 and blockage_p in the newly allocated attribute.
974 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
976 * config/mn10300/mn10300.md (addsi): `inc4' on address
977 registers does not modify cc, but `inc' on an extended
980 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
982 * reload.c (find_equiv_reg): Checks all valueno regs
983 as a reload_reg_p regs.
985 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
987 * cpphash.c (collect_objlike_expansion): Add sanity check.
988 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
989 the buffer is the empty string, return. Mark __DATE__ and
990 __TIME__ as XCONST nodes, not MCONST.
991 (_cpp_macroexpand): Avoid pushing an empty buffer.
992 (funlike_macroexpand): Don't pop token_buffer here.
994 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
996 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
997 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
998 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
999 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1000 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1001 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1002 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1004 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1006 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1009 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1011 * cpphash.h (struct definition): Move file, line, col members...
1012 (struct hashnode): ... here. Also add 'disabled' flag.
1013 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1014 T_IDENTITY. Remove T_DISABLED.
1017 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1018 (collect_expansion): Split into collect_objlike_expansion and
1019 collect_funlike_expansion.
1020 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1021 funlike_macroexpand.
1022 (_cpp_compare_defs): Rename compare_defs, make static.
1023 (_cpp_make_hashnode): Initialize hp->disabled.
1024 (macro_cleanup): Adjust for new token types. Clear
1026 (_cpp_create_definition): Move code here to determine what
1027 sort of macro it is, and code to check for redefinitions, from
1028 do_define. Implement a few simple cases without creating a
1030 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1031 Handle the simple cases.
1032 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1035 * cppinit.c (builtin_array): Change MCONST to XCONST
1037 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1038 fix check for disabled and function-like macros.
1039 * cpplib.c (do_define): Move most logic to
1040 _cpp_create_definition.
1041 (do_undef): Handle new special token types.
1043 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1045 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1046 of CONSTANT_P for mult_val; always use validate_change to update insn.
1048 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1050 * cpphash.c (trad_stringify, add_pat): New functions.
1051 (collect_expansion): Restore support for -traditional syntax.
1052 Use trad_stringify and add_pat.
1053 (_cpp_macroexpand): Restore support for -traditional semantics.
1054 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1055 get a COMMENT token.
1056 (_cpp_lex_token): Provide COMMENT tokens to caller if
1057 traditional and parsing_define_directive.
1058 (skip_comment): Warn about // comments if -Wtraditional.
1059 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1061 (do_undef): Don't warn about undefining EMPTY nodes.
1063 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1065 * loop.c (strength_reduce): Fix biv removal code.
1067 2000-04-22 Richard Henderson <rth@cygnus.com>
1069 * predict.c (estimate_probability): Examine both sides of
1070 a branch for no exits. Use 90% not 50% for predict taken.
1071 Reorg for one copy of note generation code.
1073 2000-04-22 Richard Henderson <rth@cygnus.com>
1075 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1077 2000-04-22 Richard Henderson <rth@cygnus.com>
1079 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1080 (output_clear): Likewise.
1081 (output_printf): Use va_copy.
1082 (vline_wrapper_message_with_location): Likewise.
1083 (v_message_with_decl): Likewise.
1084 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1085 * system.h (va_copy): Provide default implementation.
1087 2000-04-22 Richard Henderson <rth@cygnus.com>
1089 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1090 the collected condition is not a constant.
1092 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1094 * diagnostic.h: New file.
1096 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1098 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1099 various function prototypes.
1100 (diagnostic.h): #include.
1101 (struct output_buffer): Move into diagnostic.h.
1102 (get_output_prefix): Rename to output_get_prefix. Export.
1103 (init_output_buffer): Export. Break out. Ajust intialization.
1104 (output_space_left, output_append): Export.
1105 (output_newline): Rename to output_add_newline. Export.
1106 (output_clear): Nullify additional output_buffer fields.
1107 (output_puts): Rename to output_add_string. Export.
1108 (dump_output): Rename to output_flush_on. Export.
1109 (build_location_prefix): Constify return-type.
1110 (emit_output_prefix): Rename to output_emit_prefix. Export.
1111 (set_real_maximum_length): New function.
1112 (output_set_maximum_length): Ditto
1113 (output_clear): Ditto.
1114 (output_add_character): Ditto.
1115 (output_add_integer): Ditto.
1116 (output_add_space): Ditto.
1117 (output_format): Ditto.
1118 (output_printf): Adjust buffer initialization.
1119 (vline_wrapper_message_with_location): Ditto.
1120 (v_message_with_decl): Ditto. Adjust call to output_puts
1121 and get_output_prefix.
1122 (default_print_error_function): Adjust buffer intialization.
1124 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1126 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1129 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1131 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1134 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1136 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1137 accurate data about SP moves.
1139 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1141 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1142 aliases to AM33 registers.
1144 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1146 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1147 to all EXTENDED bitmaps.
1149 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1151 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1152 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1153 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1155 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1157 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1158 the operand is not constant.
1160 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1162 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1163 as a call-clobbered regs.
1165 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1167 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1169 * rtl.def: Update comment.
1170 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1171 * integrate.c (expand_inline_function): Likewise.
1172 * profile.c (branch_prob): Likewise.
1173 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1174 * print-rtl.c (print_rtx): Likewise.
1175 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1176 (reemit_notes): Likewise; also use enum insn_note.
1178 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1179 (place_field): Properly compute know and actual alignment.
1181 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1184 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1187 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1189 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1190 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1191 (collect_expansion): Rewrite to scan over a token list.
1192 Remove -traditional support.
1193 (collect_formal_parameters): Rename to collect_params; rewrite
1194 to scan over a token list.
1195 (_cpp_create_definition): Adjust to scan a token list.
1196 (_cpp_macroexpand): Remove -traditional support.
1197 (_cpp_compare_defs): Whitespace is now canonicalized.
1198 (comp_def_part): Delete function.
1200 * cpphash.h: Update prototypes.
1201 * cpplex.c (init_token_list): Don't set lineno if there is no
1203 (pedantic_whitespace): New function.
1204 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1205 consume a newline. Use pedantic_whitespace.
1206 (_cpp_lex_token): Remove support for -traditional macros.
1207 (_cpp_get_define_token): Delete.
1208 (_cpp_get_directive_token): Do the real work here. Use
1209 pedantic_whitespace.
1210 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1212 * cpplib.c (get_macro_name): Delete.
1213 (do_define): Read the entire line into pfile->directbuf, then
1214 feed the token list to _cpp_create_definition.
1215 * cpplib.h (HSPACE_BEFORE): new define.
1216 (struct cpp_reader): Add a toklist member, "directbuf".
1218 * predict.c (estimate_probability): New heuristic: if a jump
1219 branches around a block with no successors, predict it taken.
1220 Disentangle control flow.
1222 2000-04-20 Richard Henderson <rth@cygnus.com>
1224 * loop.c (emit_iv_add_mult): Revert last change.
1226 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1228 * cpplib.h (enum cpp_ttype): Add token types for all
1229 punctuators. Distinguish pp-numbers from valid C numbers.
1230 Give some tokens better names. Initialize from macro.
1231 (struct cpp_name, cpp_token, cpp_toklist): New data
1234 * cpplex.c (bump_column, expand_name_space,
1235 expand_token_space, init_token_list, cpp_output_list,
1236 _cpp_scan_line): New functions.
1237 (output_line_command): Add third argument, new line number.
1238 * cpphash.h: Update prototypes.
1239 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1242 2000-04-20 Richard Henderson <rth@cygnus.com>
1244 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1246 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1248 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1251 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1253 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1254 REG_EQUAL note explaining the calculated value.
1256 * calls.c (expand_call): Avoid unnecesary precalculation
1257 and outgoing parameters space guarding for sibling calls.
1258 (store_one_arg): Likewise.
1260 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1262 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1263 (rest_of_compilation): Write sibling dump file and account
1264 for time as jump time.
1265 * invoke.texi: Update documentation on dump flags.
1267 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1269 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1271 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1273 * cpphash.c (special_symbol): Represent an empty macro with
1274 "\r \r " not just "\r ".
1275 (_cpp_macroexpand): Correct condition for the foo ( ) special
1277 (unsafe_chars): Handle EOF as second argument.
1278 (push_macro_expansion): Simplify test for removing escape at
1279 end. Do not trim both escapes if there is no text in between.
1281 2000-04-19 Jim Blandy <jimb@redhat.com>
1283 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1284 of PTR_SIZE, when appropriate.
1286 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1288 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1289 (USE_ENUM_BITFIELDS): Fix typo.
1291 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1293 * stor-layout.c (place_field): Set rli->offset_align properly.
1295 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1297 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1298 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1299 PARM_BOUNDARY): Remove unnecessary casts.
1301 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1303 * calls.c (precompute_arguments): Remove must_preallocate and
1305 (expand_call): Update call of precompute_arguments.
1307 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1308 check_insn_for_givs): Break out from ...
1309 (strength_reduce) ... here; use for_every_insn_in_loop to call
1310 check_insn_for_givs.
1311 * loop.h (for_every_insn_in_loop): Declare.
1312 (loop_insn_callback): New type.
1314 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1316 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1319 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1321 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1324 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1326 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1328 * configure.in: Delete --disable-cpplib option and all
1329 references to cpp_main.
1330 * configure: Regenerate.
1331 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1332 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1333 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1334 cpp$(exeext). Add --no-headers to makeinfo command line when
1335 generating INSTALL. Install and uninstall cpp.1 manpage, not
1337 * install.texi: Delete all references to cexp.y/cexp.c.
1338 Delete ancient instructions for compiling GCC on 3b1.
1339 * INSTALL: Regenerate.
1341 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1342 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1343 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1345 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1346 which is no longer tested anywhere.
1348 * cppinit.c (handle_option): Don't run error message through
1351 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1353 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1354 * cpperror.c (hashtab.h): Now include.
1355 * cppexp.c (hashtab.h): Likewise.
1356 * cpplex.c (hashtab.h): Likewise.
1357 * cppfiles.c (hashtab.h): Likewise.
1358 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1359 to htab_find_slot_with_hash.
1360 * cpphash.c (hashtab.h): Now include.
1361 (_cpp_lookup_slot): INSERT is now enum insert_option.
1362 * cpphash.h (_cpp_lookup_slot): Likewise.
1363 * cppinit.c (hashtab.h): Include earlier.
1364 (initialize_builtins): Pass enum to htab_find_slot.
1365 * cpplib.c (hashtab.h): Now include.
1366 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1367 (do_pragma_poison, do_assert): Likewise.
1368 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1369 htab_find_slot_with_hash.
1370 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1371 * tree.c (type_hash_add): Likewise.
1372 (build1): Minor cleanup.
1374 * ggc-common.c: Add missing blanks.
1375 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1376 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1378 * stmt.c (mark_case_node): New function.
1379 (mark_case_nesting): Call it.
1381 * expmed.c (emit_store_flag): If comparing two-word integer
1382 with zero, can optimize NE, EQ, GE, and LT.
1384 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1385 * conflict.c: Minor cleanups.
1386 * optabs.c: Add blank line
1387 * simplify-rtx.c: Minor cleanups.
1389 2000-04-18 Stan Cox <scox@cygnus.com>
1391 * gengenrtl.c (genlegend): Fix misspelling.
1393 2000-04-18 Robert Lipe <robertlipe@usa.net>
1395 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1396 bitfields of the host compiler are not signed quantities.
1397 * config.in: Regenerate.
1398 * configure: Regenerate.
1399 * system.h (USE_ENUM_BITFIELDS): Added.
1400 (ENUM_BITFIELDS): Added.
1401 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1402 (SHORT_ENUM_BUG): Deleted.
1403 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1405 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1406 (CODE_FIELD_BUG): Likewise.
1407 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1409 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1411 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1413 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1416 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1418 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1419 * cpplib.c (do_include, do_import, do_include_next,
1420 read_line_number, detect_if_not_defined): Likewise.
1421 * cpphash.c (collect_expansion): Likewise.
1422 (special_symbol, _cpp_macroexpand): Check return from
1424 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1425 macros. Delete all uses.
1427 * gcc.dg/cpp-mi.c: Add two more test cases.
1428 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1430 2000-04-17 Richard Henderson <rth@cygnus.com>
1432 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1433 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1435 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1437 * function.c (expand_function_start): Use hard_function_value to
1438 compute the RTL to use for DECL_RESULT.
1440 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1442 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1443 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1444 x86_memory_mismatch_stall): New global variables.
1445 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1446 alloved; fix load penalties for Athlon.
1447 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1448 x86_memory_mismatch_stall): Declare.
1449 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1450 TARGET_MEMORY_MISMATCH_STALL): New.
1451 * i386.md (athlon scheduling parameters): Fix latencies according to
1452 Athlon Optimization Manual.
1453 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1455 (fsqrt instruction patterns): Set athlon_decode to direct.
1456 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1457 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1458 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1459 and TARGET_PARTIAL_REGISTER_STALL machines.
1460 (pushdf_nointeger): New pattern.
1461 (pushdf_integer): Rename from pushdf.
1462 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1463 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1465 2000-04-17 Richard Henderson <rth@cygnus.com>
1467 * loop.c (canonicalize_condition): Add WANT_REG argument.
1468 Stop the search if we match it.
1469 * expr.h (canonicalize_condition): Update decl.
1470 * predict.c (expected_value_to_br_prob): Use it. Track last
1471 expected value note.
1472 (find_expected_value): Remove.
1474 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1476 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1478 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1479 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1481 * configure.in: Call AC_FUNC_MMAP_FILE.
1482 * configure: Regenerate.
1483 * config.in: Regenerate.
1485 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1486 * fixinc/fixincl.c: Likewise.
1488 2000-04-17 Richard Henderson <rth@cygnus.com>
1490 * builtins.c (expand_builtin_expect): New.
1491 (expand_builtin): Call it.
1492 * builtins.def (BUILT_IN_EXPECT): New.
1493 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1494 * extend.texi: Document it.
1496 * predict.c (expected_value_to_br_prob): New.
1497 (find_expected_value): New.
1498 * basic-block.h (expected_value_to_br_prob): Declare.
1499 * toplev.c (rest_of_compilation): Invoke it.
1501 * rtl.h (NOTE_EXPECTED_VALUE): New.
1502 (NOTE_INSN_EXPECTED_VALUE): New.
1503 * rtl.c (note_insn_name): Update.
1504 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1505 cases; handle NOTE_INSN_EXPECTED_VALUE.
1507 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1509 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1510 leaf sibcall delay slot if flag_pic.
1511 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1513 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1517 * fixproto: If fix-header fails, exit with an error.
1519 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1521 * cse.c (struct check_depdendence_data): New.
1522 (check_dependence): New function.
1523 (invalidate): Use check_depdenence.
1525 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1527 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1528 UNITS_PER_WORD is unsigned.
1530 * tree.h (struct tree_common): Remove misleading comment.
1532 2000-04-16 Dave Pitts <dpitts@cozx.com>
1534 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1535 message in quotes. Otherwise, IBM's make program treats the '#' as the
1536 start of a comment and ignores the remainder of the line.
1538 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1540 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1541 * cexp.y (initialize_random_junk): Likewise.
1542 * cppfiles.c (find_include_file): Cast alloca return value.
1543 * cppinit.c (initialize_standard_includes): Likewise.
1544 * cpplib.c (cpp_define, cpp_undef): Likewise.
1545 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1546 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1547 * fold-const.c (CHARMASK): New.
1548 (real_hex_to_f): Use it.
1549 * real.c (CHARMASK): New.
1550 (etoasc, asctoeg): Use it.
1551 (asctoeg): EBCDIC lower case characters preceed upper case.
1553 * i370.c (mvs_add_label): Change spacing for coding conventions.
1554 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1555 outputing case vectors.
1556 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1557 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1558 since vector in in the data CSECT.
1559 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1560 * i370.md (Many patterns): Put the length in the XL directives.
1561 (movdi): Put back STM and MVC in definition.
1562 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1563 pattern using the TCA.
1564 * oe.h (CPP_SPEC): Added to allow trigraphs.
1565 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1566 not support the "long long" type.
1568 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1570 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1572 (mips_reg_mode_ok_for_base_p): Likewise.
1573 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1574 (REG_OK_FOR_INDEX_P): Define unconditionally.
1575 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1576 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1577 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1578 that GET_MODE_SIZE is unsigned.
1579 (mips_reg_mode_ok_for_base_p): Define.
1580 (mips_legitimate_address_p): Likewise. Adjust now
1581 that GET_MODE_SIZE is unsigned.
1582 (block_move_loop): Make the number of bytes unsigned.
1583 (expand_block_move): Likewise.
1584 (function_arg): Make the loop counter unsigned to match the
1587 2000-04-16 Richard Henderson <rth@cygnus.com>
1589 * rtl.h (enum insn_note): New enumeration. Subsume
1590 NOTE_INSN_DELETED and friends.
1591 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1592 * rtl.c (note_insn_name): Tweak string order.
1594 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1596 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1599 * cpplex.c (output_line_command): Remove debugging prints.
1600 (cpp_output_tokens): Don't write out a zero-length buffer or
1601 try to see if it has a newline in it.
1602 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1603 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1604 the end of the loop. Use memmove. Don't read past the end of
1605 the buffer. Remove trailing newlines from error messages.
1607 2004-04-16 Neil Booth <NeilB@earthling.net>
1609 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1610 * cpplib.c: Add new syntax flags to directive table, and
1613 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1615 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1618 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1620 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1621 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1623 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1625 * Makefile.in (ggc-page.o): Now includes toplev.h.
1626 * ggc-page.c (toplev.h): Now included.
1627 (gc_time): Remove declaration.
1628 (ggc_collect): TIME now long.
1629 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1631 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1633 * toplev.c: Make *_time variable long to reduce chance of overflow.
1634 (TIMEVAR): Likewise for `otime'.
1635 (print_time): Arg is now long; compute percentage in FP and round.
1636 * toplev.h (print_time): Arg is long.
1638 * tree.c: Minor whitespace changes.
1640 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1641 * configure: Rebuilt.
1642 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1643 (__fixunsxfDI): Renamed from __fixunsxfdi.
1644 (__fixunsdfDI): Renamed from __fixunsdfdi.
1645 (__fixunssfDI): Renamed from __fixunssfdi.
1646 (__floatdisf): Use proper type in REP_BIT macro.
1647 (__fixunsxfSI): Renamed from __fixunsxfsi.
1648 (__fixunsdfSI): Renamed from __fixunsdfsi.
1649 (__fixunssfSI): Renamed from __fixunssfsi.
1650 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1651 Change location of macros and upper-case some names as above.
1652 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1653 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1655 * varasm.c (assemble_variable): Add cast to remove warning.
1656 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1658 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1659 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1660 region number to -1.
1662 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1664 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1665 call unshare_all_rtl.
1667 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1669 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1671 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1672 Use .s1 not .s0 for all FP instructions.
1674 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1676 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1678 (safe_fwrite, output_line_command): New static functions.
1679 (cpp_expand_to_buffer): Now private to cpplib.
1680 (cpp_scan_buffer): Take a printer.
1682 * cpphash.h: Update prototypes.
1683 * cpplib.h: Update prototypes.
1685 (cpp_buffer): Remove last_nominal_fname.
1686 (cpp_reader): Remove lineno.
1688 * cppmain.c: Use a cpp_printer.
1689 * fix-header.c: No need to inhibit line commands. Call
1690 cpp_start_read with no printer.
1692 * cpperror.c (cpp_notice_from_errno): Provide default name.
1693 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1694 (find_include_file, cpp_read_file): Use make_IHASH.
1695 (file_cleanup): Set control_macro and clear
1696 input_stack_listing_current here.
1697 (_cpp_execute_include): Don't output entering-file marker.
1698 * cpphash.c (special_symbol): Look for the line number in the
1699 buffer, not the reader.
1700 (_cpp_macroexpand): No need to disable line commands.
1701 (_cpp_dump_definition): No need to generate line commands.
1702 (dump_hash_helper): Remove excess newline from output.
1703 * cppinit.c (dump_special_to_buffer): No need to generate line
1705 (cpp_printer_init): New.
1706 (cpp_start_read): Take a printer, and start it up if it's not
1707 NULL. No need to generate line commands.
1708 (cpp_finish): Expect no buffers stacked at all. Take a
1709 printer argument, and flush the output buffer if it's not
1711 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1712 Don't put two hashes at the beginning of an assertion.
1713 (cpp_get_token): Don't increment pfile->lineno or emit line
1714 commands here. Return EOF if there's no buffer when we get
1716 * cpplib.c (do_define, skip_if_group):
1717 No need to disable line commands.
1718 (_cpp_output_line_command): Delete function.
1719 (do_line): Don't emit line commands here, but set things up so
1720 they will be emitted if necessary. Use _cpp_fake_ihash to
1721 make unique nominal_fnames if necessary.
1722 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1723 with 0 for column, not -1.
1724 (_cpp_handle_eof): Don't set the control macro here. Don't
1725 clear input_stack_listing_current here. Don't emit line
1728 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1730 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1731 always, use the default SVR4 start address.
1733 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1734 (LINK_SHLIB_SPEC): Define.
1735 (LINK_START_DEFAULT_SPEC): Define.
1736 (LINK_OS_DEFAULT_SPEC): Define.
1738 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1740 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1741 __do_global_ctors to handle constructors.
1742 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1743 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1744 (STARTFILE_MVME_SPEC): Likewise.
1745 (STARTFILE_SIM_SPEC): Likewise.
1746 (ENDFILE_ADS_SPEC): Use crtend.
1747 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1748 (ENDFILE_MVME_SPEC): Likewise.
1749 (ENDFILE_SIM_SPEC): Likewise.
1750 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1751 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1752 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1753 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1754 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1755 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1756 (CRTSTUFF_T_CFLAGS_S): Define.
1757 * config/rs6000/eabi-ctors.c: Delete.
1759 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1762 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1766 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1768 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1769 plus mask size is smaller or equal to the mode size.
1771 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1773 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1776 * expr.c (reload.h): Now included.
1777 (emit_block_move): Set volatile_ok when checking for movstr.
1778 (emit_move_1): Check for replacements in addresses in multi-word case.
1779 * Makefile.in (expr.o): Now includes reload.h.
1781 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1782 Never have a LIBCALL end a basic block.
1783 (find_basic_blocks_1): Likewise.
1784 Reorganize CALL_INSN cases.
1786 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1788 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1790 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1791 completers from mov.ret instruction.
1793 2000-04-14 Richard Henderson <rth@cygnus.com>
1795 * fold-const.c (extract_muldiv): Don't distribute and widen
1796 multiply across plus for non-sizetype unsigned types.
1798 2000-04-14 Richard Henderson <rth@cygnus.com>
1800 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1801 If the original source is dead in the incr insn, it's dead now.
1803 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1805 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1806 see if DECL_BIT_FIELD needs to still be set.
1808 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1810 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1811 print_int_cst_octal with something that's not an INTEGER_CST.
1813 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1814 and not a SUBREG to a FLOAT rtl.
1816 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1818 * emit-rtl.c (try_split): Avoid infinite loop if the split
1819 results in a sequence that contains the original insn.
1821 2000-04-13 Andreas Jaeger <aj@suse.de>
1823 * config/mips/mips.c (expand_block_move): Pass alignment
1824 argument to move_by_pieces in bits, not bytes.
1826 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1827 __pic__ for little endian.
1829 2000-04-13 Andreas Jaeger <aj@suse.de>
1831 * config/i386/i386-protos.h: Add prototype for
1832 uno_comparison_operator.
1834 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1836 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1837 * calls.c (ECF_PURE): New flag.
1838 (emit_call_1): Handle ECF_PURE calls.
1839 (initialize_argument_information): Unset ECF_PURE flag too.
1840 (precompute_arguments): Precompute for ECF_PURE too.
1841 (expand_call): Handle ECF_PURE calls too.
1842 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1843 accept value of 2 as pure function.
1844 (emit_library_call_value, emit_library_call): Rename no_queue argument
1846 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1848 * tree.h (DECL_IS_PURE): New macro.
1849 (struct tree_decl): Add pure_flag.
1850 * c-common.c (enum attrs): Add attribute "pure".
1851 (init_attributes): Initialize attribute "pure"
1852 (decl_attributes): Handle attribute "pure".
1853 * extend.texi (Attribute "pure"): Document.
1854 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1856 (flags_from_decl_or_type): Support attribute "pure".
1858 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1860 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1861 the token except for numbers and identifiers.
1863 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1865 * i386.c (ix86_expand_binary_operator,
1866 ix86_expand_unary_operator): Check no_new_pseudos
1867 instead of reload_in_progress and reload_completed.
1868 (ix86_split_ashldi, ix86_split_ashrdi,
1869 ix86_split_lshrdi): Check no_new_pseudos instead
1870 of reload_completed.
1872 2000-04-12 Jeffrey A Law (law@cygnus.com)
1874 * function.c (purge_addressof): Unshare any shared rtl created by
1875 purge_addressof and its children.
1877 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1879 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1882 2000-04-05 Andreas Jaeger <aj@suse.de>
1884 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1885 not compiling PIC code, add flags for mabi=64.
1886 (SUBTARGET_CPP_SIZE_SPEC): New.
1887 (SUBTARGET_CPP_SPEC): New.
1888 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1889 for MIPS/Linux and lots of code needs these defines.
1891 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1893 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1894 trying the "opposite arithmetic" approach.
1896 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1898 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1899 (struct sh_args): Add new field force_mem.
1900 (INIT_CUMULATIVE_ARGS): Initialize it.
1901 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1903 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1905 * calls.c (expand_call): Do not reverse args in "equal from" field.
1906 (emit_library_call_value_1): Emit_libcall_block for const and pure
1909 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1911 * reload1.c (reload_combine): Don't enable optimization for fixed
1912 registers when encountering a BARRIER.
1914 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1916 * builtins.c (expand_builtin_memcmp): Do expansion even with
1917 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1919 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1920 stack is propertly aligned; add sanity checking for aligned
1922 (expand_library_call_value_1): Add sanity checking for aligned
1925 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1927 * calls.c (emit_library_call_value_1): Change 3rd arg to
1928 locate_and_pad_parm to disregard the setting of partial.
1930 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1932 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1934 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1935 CALL_INSN from the normal case.
1937 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1939 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1940 New global variables.
1941 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1943 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1945 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1946 TARGET_ADD_ESP_8): New macros.
1947 * i386.md: Add peep2s to convert esp adjustments to push and pop
1949 (pushsi_prologue, popsi_epilogue): New patterns.
1951 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1953 * real.c (toe64): Remove stale #endif from the last change.
1955 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1957 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1958 * real.c (toe64): Revert previous change.
1960 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1962 * objc/objc-act.c: Include ggc.h.
1963 (objc_tree_index, objc_global_trees): Convert most of the
1964 static tree variables into a static array with previous names
1966 (objc_ellipsis_node): New variable.
1967 (lang_init): Call objc_act_parse_init and c_parse_init.
1968 Create objc_ellipsis_node.
1969 (build_selector_translation_table): Use objc_ellipsis_node instead
1971 (hack_method_prototype): Likewise.
1972 (get_arg_type_list): Likewise.
1973 (start_method_def): Likewise.
1974 (continue_method_def): Likewise.
1975 (gen_method_decl): Likewise.
1976 (ggc_mark_imp_list): New function.
1977 (ggc_mark_hash_table): New function.
1978 (objc_act_parse_init): New function.
1979 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1980 * c-parse.in (c_parse_init): For objc add roots of objc specific
1981 local tree variables.
1982 * objc/objc-parse.y: Rebuilt.
1983 * objc/objc-parse.c: Rebuilt.
1984 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1986 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1988 * cse.c (delete_trivially_dead_insns): Also delete insns
1989 that copy a register to itself where the destination is
1992 2000-04-11 Richard Henderson <rth@cygnus.com>
1994 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1995 (propagate_block): Initialize them. Use them in parallel instead
1996 of one tmp variable, ie revert much of the 0408 and 0407 functional
1997 changes, but keep the structural changes.
1998 (mark_set_regs): Take new_dead from propagate_block_info instead.
1999 (mark_set_1, mark_set_reg): Likewise.
2000 (mark_used_regs): Likewise with new_live.
2001 (mark_used_reg): Likewise. Revert 0408 change.
2003 2000-04-11 Nick Clifton <nickc@cygnus.com>
2005 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2007 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2009 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2011 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2012 const section to output a CONSTRUCTOR based on the same conditions
2015 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2017 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2018 * pa/pa-protos.h (output_call): Add additional argument indicating
2019 if the call is a sibling/tail call.
2020 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2021 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2022 (function_arg, function_arg_partial_nregs): Likewise
2023 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2024 (emit_move_sequence): Zero extend certain constants as needed
2026 (compute_zdepdi_operands, output_64bit_and): New functions.
2027 (output_64bit_ior, function_arg): Likewise.
2028 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2029 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2030 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2031 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2032 (output_bvb): Likewise.
2033 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2034 (output_call): New argument 'sibcall'. Generate sibcall sequences
2036 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2037 (ouput_arg_descriptor): Do not emit argument descriptors for
2039 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2041 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2042 (FUNCTION_OK_FOR_SIBALL): Define.
2043 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2044 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2045 (CPP_SPEC): Use new spec infrastructure.
2046 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2047 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2048 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2049 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2050 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2051 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2052 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2053 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2054 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2055 (FUNCTION_ARG); Call out to C code.
2056 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2057 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2058 (MIN_UNITS_PER_WORD): Likewise.
2059 * pa/pa.md (cmpdi): New expander.
2060 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2061 (64bit conditional arithmetic): New patterns.
2062 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2063 (movsicc): Not available if modes on all the operands to not match.
2064 (movdicc): New expander and associated patterns.
2065 (64bit branches): New patterns.
2066 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2067 (pre_ldd, post_std): New patterns.
2068 (64bit addil, load low part): New patterns.
2069 (special movsf constant): Not available for TARGET_64BIT.
2070 (movsf, movdf expanders): Force constants into memory.
2071 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2072 (64bit movdf/movdi patterns): New patterns.
2073 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2075 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2076 (adddi3 expander): Allow "arith_operand" for second input.
2077 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2078 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2079 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2080 (muldi3): New expander for TARGET_64BIT.
2081 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2083 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2084 patterns for TARGET_64BIT.
2085 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2086 patterns for TARGET_64BIT.
2087 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2088 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2089 (sibcall_epilogue): New expander.
2090 (casesi): Tweak for TARGET_64BIT.
2091 (call expanders): Set & use the outgoing argument pointer. Use the
2092 64bit call patterns as needed. Add additional arg to output_call.
2093 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2094 (sibcall, sibcall_internal_symref): New expanders.
2095 (sibcall_value, sibcall_value_internal_symref
2096 (interspace_jump): Turn into an expander + matching patterns.
2097 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2098 * pa/pa64-regs.h: Eliminate trigraph sequences.
2099 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2101 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2103 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2104 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2105 cpp_token with cpp_ttype everywhere.
2106 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2107 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2108 CPP_BUF_COL. Line and column numbers are unsigned int, not
2110 * cpplex.c (cpp_buf_line_and_col): Delete.
2111 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2112 'long lineno' to 'unsigned int lineno'.
2113 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2115 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2117 * extend.texi: ISO C99 is not a draft anymore.
2118 * invoke.texi: ISO C++ is not a draft anymore.
2119 * cpp.texi: __cplusplus is required by the ISO standard.
2121 * extend.texi (-fthis-is-variable): Undocument.
2122 * flags.h (warn_template_debugging): Remove declaration.
2123 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2124 -Wenum-clash, -Wtemplate-debugging): Undocument.
2126 2000-04-10 Nick Clifton <nickc@cygnus.com>
2128 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2130 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2132 (ARM_SIGN_EXTEND): Use HOST_UINT.
2133 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2134 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2135 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2136 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2138 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2139 (arm_gen_constant): Use HOST_UINT.
2140 (arm_canonicalize_constant): Use HOST_UINT.
2141 (arm_reload_in_hi): Use HOST_UINT.
2142 (arm_reload_out_hi): Use HOST_UINT.
2143 (output_multi_immediate): Use HOST_UINT.
2144 (int_log2): Use HOST_UINT.
2145 (arm_poke_function_name): Use HOST_UINT.
2146 (arm_output_epilogue): Use arm_volatile_func().
2147 (output_thumb_prologue): Use arm_strip_name_encoding().
2149 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2151 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2152 of sequence point problems.
2154 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2156 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2158 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2160 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2162 * sbitmap.h: Whitespace changes and use upper-case macro args.
2163 (struct simple_bitmap_def): All sizes now unsigned.
2164 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2165 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2166 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2167 (sbitmap_zero): Cast bzero arg to PTR.
2168 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2169 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2170 loop to make structure clearer.
2171 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2172 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2173 (sbitmap_a_and_b_or_c): Likewise.
2174 (sbitmap_intersection_of_succs): Minor cleanups.
2175 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2176 (sbitmap_union_of_preds): Likewise.
2177 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2178 (debug_sbitmap): New function.
2180 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2181 * c-typeck.c (convert_for_assignment): Likewise.
2183 * expmed.c (init_expmed): Don't free objects we make.
2184 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2186 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2187 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2189 * gcse.c (expr_hash_table_size): Now unsigned.
2190 (compute_ae_gen): Local variable `i' now unsigned.
2191 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2192 (compute_transout, hoist_code): Likewise.
2193 (compute_local_properties): Likewise, also hash_table_size.
2194 (alloc_expr_hash_table): N_INSNS now unsigned.
2195 (delete_null_pointer_checks): Mark arg F as unused.
2197 * regrename.c: Minor cleanups, including chang some variables
2200 2000-04-10 Neil Booth <NeilB@earthling.net>
2202 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2204 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2206 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2208 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2209 __classof__, and __headof__ from the list of gnu keywords.
2210 (-ansi): Remove -foperator-names from list of implied options.
2211 Do not call it ANSI C++.
2212 (-foperator-names): Document as -fno-operator-names.
2214 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2216 * cpphash.c (timestamp): Delete.
2217 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2218 (special_symbol): Remove unnecessary braces. Remove
2219 T_VERSION. Treat T_STDC like T_CONST unless
2220 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2221 when one is encountered, then convert them into T_MCONST
2223 * cppinit.c (builtin_array): version_string is T_MCONST.
2224 __STDC__ has a "1" in its cpval. Don't have a terminator
2225 entry. Clean up which entries are dumped.
2226 (initialize_builtins): Only __STDC__ gets the special
2227 -traditional treatment. Count the length of builtin_array.
2228 Render version_string here.
2229 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2230 * cpplib.h (struct cpp_reader): Remove timebuf.
2232 2000-04-09 Richard Henderson <rth@cygnus.com>
2234 * genrecog.c (pred): Update comparison_operator for the unordered
2237 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2239 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2240 (uno_comparison_operator): New.
2241 (put_condition_code): Handle UNORDERED/ORDERED.
2242 (unsigned_comparison): Likewise.
2243 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2244 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2245 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2246 update all callers. Handle all 8 unordered operators.
2247 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2248 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2249 * config/i386/i386.h (PREDICATE_CODES): Update.
2250 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2251 (ix86_expand_branch, ix86_expand_setcc): Update.
2252 * config/i386/i386.md (sunordered, sordered): New.
2253 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2254 (bunordered, bordered): New.
2255 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2256 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2257 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2259 2000-04-09 Philip Blundell <philb@gnu.org>
2261 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2263 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2265 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2266 fix_truncxfhi2): New patterns.
2267 * i386.c (output_fix_trunc): Handle converting to HImode.
2269 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2271 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2273 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2274 (for_each_successor_phi): Change parameter to basic_block.
2275 (coalesce_regs_in_successor_phi_nodes): Likewise.
2276 (coalesce_regs_in_copies): Likewise.
2277 (compute_coalesced_reg_partition): Use basic_block instead of index.
2278 * rtl.h (convert_to_ssa): Delete.
2279 (convert_from_ssa): Likewise.
2280 (successor_phi_fn): Likewise.
2281 (for_each_successor_phi): Likewise.
2282 (in_ssa_form): Likewise.
2283 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2284 (convert_from_ssa): Likewise.
2285 (successor_phi_fn): Likewise.
2286 (in_ssa_form): Likewise.
2287 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2288 * flow.c (calculate_global_regs_live): Pass a basic_block to
2289 for_each_successor_phi.
2291 2000-04-08 Richard Henderson <rth@cygnus.com>
2293 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2294 was modified in the current insn.
2296 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2298 * arm/thumb.md: Delete.
2299 * arm/thumb-protos.h: Delete.
2301 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2303 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2305 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2307 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2310 * arm.md (nop): Use the standard RTL expression. Don't code as a
2312 (*arm_nop, *thumb_nop): Delete.
2314 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2315 constants. Use casts instead.
2316 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2317 output_multi_immediate, arm_poke_function_name): Likewise.
2318 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2319 MASK_RETURN_ADDDR): Likewise.
2321 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2323 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2326 * arm.md (eh_epilogue): New function.
2327 * arm.h (struct machine_function): Move to here ...
2328 * arm.c: ... from here.
2329 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2330 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2331 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2333 2000-03-30 Nick Clifton <nickc@cygnus.com>
2335 * config/arm/semi.h (ASM_SPEC): Restore definition.
2336 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2338 * config/arm/elf.h (ASM_SPEC): Restore definition.
2339 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2341 * config/arm/arm.h (ASM_SPEC): Remove definition.
2342 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2344 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2346 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2348 2000-03-24 Nick Clifton <nickc@cygnus.com>
2350 Various formating tidyups, elimination of compile time
2351 warnings and synchronisation with internal sources:
2353 * config/arm/arm-protos.h (assemble_align): Add prototype.
2354 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2355 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2356 (arm_return_addr_rtx): Rename to arm_return_addr.
2358 * config/arm/arm.c: Include except.h.
2359 Define shorter typenames for strict minipool_node and struct
2361 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2363 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2364 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2366 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2368 (ASM_SPEC): Define if not already defined.
2369 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2371 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2372 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2373 arm_gen_compare_reg.
2374 (indirect_jump): Only accept register operands.
2375 (load_indirect_jump): Keep this pattern since combine can generate
2378 * config/arm/coff.h: Include aout.h.
2379 (MULTILIB_DEFAULTS): Only define if not already defined.
2381 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2382 into arm.h (so that COFF ports can support thumb based aliases).
2383 (ASM_SPEC): Move definition into arm.h
2385 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2386 redundant apcs spec.
2387 (ASM_SPEC): Move definition to arm.h
2389 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2391 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2392 for entries in the .bss section
2394 2000-03-23 Nick Clifton <nickc@cygnus.com>
2396 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2397 to thumb_far_jump_used_p.
2399 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2400 single integer parameter.
2402 * config/arm/arm.c (struct machine_function): Add two new
2403 fields, 'far_jump_used' and 'arg_pointer_live'.
2404 (thumb_far_jump_used_p): Once the decision has been made that
2405 far jumps might be used, always return true.
2406 If being called from the initial elimination offset macro then
2407 do not bother to perform the test if the arg pointer is not
2409 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2410 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2412 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2414 * arm.c (output_return_instruction): Handle more cases where we can
2415 return from a function with an ldr instruction.
2416 (arm_output_epilogue): Likewise.
2418 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2419 if we need to push a large stack frame and there are no callee-saved
2422 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2423 in ARM code if the frame pointer has been eliminated.
2425 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2426 unspec_volatile arguments to avoid duplicates.
2427 (consttable_1, consttable_2): Fixes for big-endian mode.
2429 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2432 Re-write constant pool code.
2433 * arm.c (minipool_node, minipool_fix): New types.
2434 (minifix): Delete type.
2435 (arm_add_minipool_constant): Delete.
2436 (arm_compute_minipool_offsets, arm_find_barrier,
2437 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2438 (get_jump_table_size): Now returns HOST_WIDE_INT.
2439 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2441 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2442 (assign_minipool_offsets, arm_print_value): Likewise.
2443 (dump_minipool): Rewrite.
2444 (arm_barrier_cost): New function.
2445 (create_fix_barrier): New function.
2446 (push_minipool_barrier): New function.
2447 (push_minipool_fix): Record additional information about the fixup
2449 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2450 check the mode of what needs fixing.
2451 (arm_reorg): Rewrite.
2453 2000-03-08 Nick Clifton <nickc@cygnus.com>
2455 * config/arm/arm.md (indirect_jump): Force constant addresses into
2458 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2460 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2462 2000-02-24 Nick Clifton <nickc@cygnus.com>
2464 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2465 adjust is word aligned.
2466 (thumb_expand_epilogue): Make sure that stack adjust is word
2469 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2471 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2473 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2474 pointer relative addresses.
2476 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2478 * arm.c (find_barrier): Find the last barrier within the allowed
2481 2000-02-09 Nick Clifton <nickc@cygnus.com>
2483 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2485 2000-02-09 Nick Clifton <nickc@cygnus.com>
2487 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2488 ARM_FUNCTION_PROFILER.
2490 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2491 ARM_FUNCTION_PROFILER.
2493 * config/arm/linux-oldld.h: Imported from mainline sources.
2495 2000-02-07 Nick Clifton <nickc@cygnus.com>
2497 * config/arm/lib1funcs.asm: Merge in thumb functions from
2500 * config/arm/lib1thumb.asm: Delete.
2502 2000-02-04 Nick Clifton <nickc@cygnus.com>
2504 * config/arm/arm.c: Sychronised with current Red hat local
2506 * config/arm/arm.h: Ditto.
2507 * config/arm/arm-protos.h: Ditto.
2509 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2511 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2513 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2516 2000-02-02 Nick Clifton <nickc@cygnus.com>
2518 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2520 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2521 (return) was emited using an emit_insn() call.
2523 2000-01-31 Nick Clifton <nickc@cygnus.com>
2525 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2527 (thumb_exit): Move frame pointer back into hard frame pointer
2528 register if backtracing is being used.
2530 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2532 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2535 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2537 * config/arm/arm.md (neg_pool_offset): Provide default for new
2539 (arm_movsi_insn): Add neg_pool_offset attribute.
2540 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2541 rtx for the insn that starts the scan and an unsigned long for its
2542 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2543 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2544 instructions in *PINSERTED.
2545 (struct minipool_fixup): Add MIN_ADDRESS elt.
2546 (sort_fixups): Compute it.
2547 (arm_reorg): Changes to support inserting pools before the insn to be
2550 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2552 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2553 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2554 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2556 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2558 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2560 (TARGET_DEFAULT): Do not define if already defined.
2562 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2564 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2565 (iordi3): Allow disjoint source operands.
2566 (xordi3): Allow disjoint source operands.
2567 (negdi2): Permit construction for ARM and Thumb.
2568 (arm_negdi2): Renamed version of old negdi2 pattern.
2569 (thumb_negdi2): New pattern: Only permit non-overlapping
2570 source and destination.
2572 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2574 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2575 scratch low register so that it will not be deleted.
2577 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2579 * config/arm/pe.h (ARM_PE): Define.
2581 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2582 interfacearm attribute if this is a PE toolchain.
2583 (output_return_instruction): Do not emit anything if the function
2584 has the naked attribute set.
2585 (is_called_in_ARM_mode): If the function has the interfacearm
2586 attribute then return true.
2587 (thumb_expand_prologue): Do not generate a prologue for naked
2589 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2591 (output_thumb_prologue): Do not bother if the function is naked.
2592 Strip PE encoding from function name before emitting.
2594 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2596 * arm.md (pic_load_addr): Fix constraints.
2598 * arm.md (casesi_insn): Fix mis-applied patch.
2600 * arm.md ("core" function unit): Add rules for single- and
2602 (All TARGET_THUMB patterns): Add "type" attribute information
2604 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2605 the following insn is a CALL.
2607 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2609 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2610 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2611 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2613 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2615 * config/arm/linux-gas.h: oops - this file was missed out when the
2616 branch was created...
2618 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2620 * thumb.c: Deleted. Move contents to ...
2622 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2624 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2627 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2628 declare a prototype for asm_output_align();
2630 * arm.c (thumb_condition_code): Delete.
2631 (arm_print_operand): Always use arm_condition_code array.
2633 * arm.c (thumb_return_addr_rtx): Delete.
2634 (arm_save_machine_status, arm_restore_machine_status): Delete.
2635 (arm_init_machine_status, arm_mark_machine_status): New functions.
2636 (arm_init_expanders): Update accordingly.
2637 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2638 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2639 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2641 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2643 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2645 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2648 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2650 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2651 stack backtrace structure.
2653 * config/arm/arm-protos.h: Add prototypes for functions defined in
2656 * config/arm/arm.c (arm_override_options): Fix selection of
2657 attributes of default processor.
2659 * config/arm/coff.h: Delete needless #include.
2661 * config/arm/pe.c: Delete unused code.
2663 * config/arm/pe.h (CPP_DEFINES): Delete
2664 (SUBTARGET_CPP_SPEC): Define.
2665 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2667 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2669 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2671 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2673 (CAN_DEBUG_WITHOUT_FP): Define.
2674 (FIXED_REGISTERS): Make r11 call-saved.
2675 (CALL_USED_REGISTERS): Likewise.
2676 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2677 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2678 frame-pointer is required.
2679 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2680 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2681 if the target normally needs a stack frame in non-leaf functions.
2682 (use_return_insn): Correct logic for determining when a return
2683 instruction can be used.
2684 (output_return_instruction): Handle the frame-pointer register as
2685 a normal register when not TARGET_APCS_FRAME.
2686 (arm_output_prologue): Likewise.
2687 (arm_output_epilogue): Likewise.
2688 (output_func_epilogue): Likewise.
2689 (arm_expand_prologue): Likewise.
2690 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2692 * arm.c (use_return_insn): No need to check floating point regs if
2694 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2695 the code of value stored in the minipool array.
2696 (arm_add_minipool_constant): Likewise.
2698 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2700 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2702 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2704 * tree.c (tree_expr_nonnegative_p): New function.
2706 * tree.h (tree_expr_nonnegative_p): Declare.
2708 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2709 elide some sign_compare warnings.
2710 (build_conditional_expr): Likewise.
2712 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2714 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2716 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2717 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2718 operand. Abort if a 387 operand has an unsupported size.
2720 2000-04-08 Neil Booth <NeilB@earthling.net>
2722 * cppexp.c (parse_charconst): Null does not end character
2724 * cppinit.c (ISTABLE): Null character handled as whitespace.
2725 * cpplex.c (null_warning): new function.
2726 (skip_string): Emit warning if nulls encountered.
2727 (_cpp_skip_hspace): Emit warning if nulls encountered.
2728 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2732 2000-04-07 Richard Henderson <rth@cygnus.com>
2734 * flow.c (loop_depth): Remove.
2735 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2736 (struct propagate_block_info): New.
2737 (life_analysis): Don't allocate reg_next_use.
2738 (propagate_block_delete_insn): Break out of propagate_block.
2739 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2740 (propagate_block_delete_libcall): Likewise.
2741 (propagate_block): Create a propagate_block_info struct to pass
2742 to subroutines. Allocate one not two temporary regsets. Don't
2743 clobber memory for const calls. Look for clobbers in
2744 CALL_INSN_FUNCTION_USAGE.
2745 (mark_set_regs): Recognize COND_EXEC.
2746 (mark_set_reg): Break out of mark_set_1.
2747 (mark_used_reg): Break out of mark_used_regs.
2748 (mark_used_regs): Recognize COND_EXEC.
2749 (insn_dead_p): Use propagate_block_info struct.
2750 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2751 (find_auto_inc, try_pre_increment_1): Likewise.
2752 (print_rtl_with_bb): Dump regs live at end too.
2753 (count_reg_sets_1): Pass in loop_depth.
2754 (count_reg_sets, count_reg_references): Likewise.
2755 (recompute_reg_usage): Provide it.
2757 2000-04-07 Richard Henderson <rth@cygnus.com>
2759 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2762 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2764 * cpplib.c (do_elif): Skip the rest of the line if we're
2765 not going to bother evaluating it.
2766 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2767 to avoid pointless calls to the lexer.
2769 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2771 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2773 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2775 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2777 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2779 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2781 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2783 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2784 crtend so they can be multilibbed.
2785 (STAGESTUFF): Remove s-crt and s-crtS.
2787 2000-04-07 Richard Henderson <rth@cygnus.com>
2789 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2790 if we discover we need a pseudo and no_new_pseudos is true.
2791 * config/alpha/alpha.md (ne:DI insn): New.
2792 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2794 2000-04-07 Richard Henderson <rth@cygnus.com>
2796 * rtl.def (COND_EXEC): New.
2797 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2798 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2800 * genconfig.c (have_cond_arith_flag): Remove.
2801 (have_cond_exec_flag): New.
2802 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2803 (main): Print HAVE_conditional_execution.
2805 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2806 (sched_analyze_insn, print_pattern): Likewise.
2807 * reload.c (find_equiv_reg): Likewise.
2808 * rtlanal.c (reg_referenced_p): Likewise.
2809 (note_stores, dead_or_set_regno_p): Likewise.
2810 (reg_overlap_mentioned_p): Rewrite to use a switch.
2812 * ggc.h (struct rtx_def): Forward declare.
2814 * print-rtl.c (debug_rtx_range): New.
2815 * rtl.h (debug_rtx_range): Declare.
2817 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2819 * gcse.c (gcse_main): Don't rebuild the CFG here.
2820 (delete_null_pointer_checks): Likewise.
2821 * ssa.c (convert_to_ssa): Likewise.
2822 * toplev.c (rest_of_compilation): Do it here instead. Combine
2823 sequential calls to TIMEVAR. Consistently use `insns' instead of
2824 `get_insns()'. Always split insns after reload when optimizing.
2826 * basic-block.h (merge_blocks_nomove): Declare.
2827 (tidy_fallthru_edge): Declare.
2828 * flow.c (merge_blocks_nomove): Document as merging into previous
2829 blocks. Remove cruft from between blocks; remove all edges out of A.
2830 (tidy_fallthru_edge): Export.
2832 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2834 * ssa.c (compute_conservative_reg_partition): Declare with
2836 * toplev.c (clean_dump_file): Remove previously-deleted function
2837 inadvertantly merged back in.
2838 * conflict.c (conflict_graph_add): Use a single call to
2839 htab_find_slot to look up and insert.
2841 2000-04-06 Richard Henderson <rth@cygnus.com>
2843 * genrecog.c (*): Rename _last_insn to last_insn.
2844 (make_insn_sequence): Set the position of the peephole2 C test
2845 to be at the last insn.
2847 2000-04-06 Richard Henderson <rth@cygnus.com>
2849 * flow.c (compute_flow_dominators): Free worklist.
2851 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2853 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2855 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2857 * rtl.h (INSN_P): New macro.
2858 (successor_phi_fn): New typedef.
2859 (for_each_successor_phi): New prototype.
2860 (in_ssa_form): New variable.
2861 (PHI_NODE_P): Likewise.
2862 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2863 phi nodes in successors.
2864 (mark_used_regs): Add PHI case.
2865 (set_phi_alternative_reg): New function.
2866 (life_analysis): Assert that dead code elimination is not selected
2868 * toplev.c (to_ssa_time): New variable.
2869 (from_ssa_time): Likewise.
2870 (compile_file): Zero to_ssa_time and from_ssa_time.
2871 Print time to convert to and from SSA.
2872 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2873 (print_time): Compute percent fraction as integer.
2874 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2875 (convert_to_ssa): Check if we're already in SSA.
2876 Don't eliminate dead code in life_analysis.
2877 Rerun flow and life analysis at bottom.
2878 (eliminate_phi): Use canonical regnos when adding nodes.
2879 (mark_reg_in_phi): New function.
2880 (mark_phi_and_copy_regs): Likewise.
2881 (convert_from_ssa): Rerun life analysis at top.
2882 Use coalesced partition.
2883 Check for removing a phi node at the end of the block.
2884 (compute_coalesced_reg_partition): New function.
2885 (coalesce_regs_in_copies): Likewise.
2886 (coalesce_reg_in_phi): Likewise.
2887 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2888 (for_each_successor_phi): Likewise.
2889 (rename_context): New struct.
2890 (rename_block): Use a rename_context with rename_insn_1. When
2891 renaming sets of a subreg, emit a copy of the entire reg first.
2892 (rename_insn_1): Treat data as a rename_context *. Save current
2894 (rename_set_data): Add field set_insn.
2895 * Makefile.in (HASHTAB_H): Move up in file.
2896 (OBSTACK_H): New macro.
2897 (collect2.o): Use OBSTACK_H in dependencies.
2898 (sdbout.o): Likewise.
2899 (emit-rtl.o): Likewise.
2900 (simplify-rtx.o): Likewise.
2901 (fix-header.o): Likewise.
2902 (OBJS): Add conflict.o.
2903 (conflict.o): New rule.
2904 * basic-block.h: Include partition.h.
2905 (conflict_graph): New typedef.
2906 (conflict_graph_enum_fn): Likewise.
2907 (conflict_graph_new): New prototype.
2908 (conflict_graph_delete): Likewise.
2909 (conflict_graph_add): Likewise.
2910 (conflict_graph_conflict_p): Likewise.
2911 (conflict_graph_enum): Likewise.
2912 (conflict_graph_merge_regs): Likewise.
2913 (conflict_graph_print): Likewise.
2914 (conflict_graph_compute): Likewise.
2915 * conflict.c: New file.
2917 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2919 * tlink.c (read_repo_files): Don't look for .rpo info for
2922 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2924 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2926 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2928 * config/sh/lib1funcs.asm (___udivsi3_i4):
2929 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2930 only depends on FMOVD_WORKS.
2932 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2934 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2935 make double constant 8-byte aligned.
2937 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2939 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2940 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2941 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2942 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2943 Accept storing GENERAL_REGS into offsetable memory.
2944 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2945 building a TFmode constant other than 0.0L into GENERAL_REGS.
2947 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2949 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2951 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2953 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2954 (macro_cleanup): No need to cast pbuf->macro.
2955 (collect_expansion): Use _cpp_get_define_token. Goto done if
2956 it returns VSPACE. Remove check for trailing space after
2958 (_cpp_create_definition): Don't diddle flags here. Return
2960 (unsafe_chars): Handle c1 being EOF.
2961 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2962 checks. Don't push the buffer till after we're done with
2964 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2965 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2966 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2968 (_cpp_parse_assertion): Don't NUL terminate.
2969 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2970 hspace before calling _cpp_parse_assertion. Remove all sets
2971 of only_seen_white. Treat '\f' as hspace. Don't do anything
2972 special with '\n' here.
2973 (maybe_macroexpand): Handle T_EMPTY hash entries without
2974 pushing a buffer at all.
2975 (cpp_get_token): Handle clearing only_seen_white here. Handle
2976 incrementing the line number here. Clear
2977 potential_control_macro as well as only_seen_white, if
2979 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2980 (_cpp_get_define_token): New function, basically like
2981 _cpp_get_directive_token was but doesn't eat horizontal space.
2982 Don't do anything with only_seen_white here.
2983 (_cpp_get_directive_token): Just call _cpp_get_define_token
2984 repeatedly till it returns non-hspace.
2986 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2987 (conditional_skip, skip_if_group): Return int.
2988 (DIRECTIVE_TABLE): Change origin of all conditional directives
2990 (TRAD_DIRECT_P): New macro.
2991 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2992 an error for a bogus directive, unless -lang-asm. Use
2993 TRAD_DIRECT_P. Loop calling handler functions till one returns
2995 (get_macro_name): Don't diddle flags here.
2996 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2997 Create T_EMPTY nodes for #define macro /* nothing */.
2998 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2999 Use hp->name when calling pass_thru_directive.
3000 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3001 Return the result of conditional_skip and/or skip_if_group.
3002 Don't call _cpp_output_line_command.
3003 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3004 Issue -Wtraditional warnings as appropriate. Don't complain
3005 about unrecognized directives. If we are to stop skipping,
3006 return the number of the directive that ended the skip.
3007 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3008 expansion and line commands while skipping. Return the result
3009 of consider_directive_while_skipping, if nonzero.
3010 (do_endif): Just set potential_control_macro here.
3011 (validate_else): Use _cpp_get_directive_token.
3012 (do_assert, do_unassert): Don't save pointers into the
3013 token_buffer across calls to the lexer. Use
3014 _cpp_get_directive_token.
3016 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3017 pointer, not an offset. Replace 'data', which was a generic
3018 pointer, with 'macro', which points to a struct hashnode.
3019 (cpp_reader): Add 'potential_control_macro' pointer.
3020 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3021 (CPP_BUF_GET, CPP_FORWARD): Delete.
3022 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3023 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3024 ACTIVE_MARK_P): Update.
3025 (_cpp_get_define_token): New internal function.
3026 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3028 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3030 * configure.in: And here.
3031 * configure: Regenerate.
3032 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3033 --enable-libstdcxx-v3 is passed at configure time.
3034 * config.h.in: Regenerate.
3036 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3038 * final.c (final): Use xcalloc to allocate line_note_exists.
3039 * function.c (free_after_compilation): Free the temp_slots.
3040 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3041 (combine_temp_slot): Free temp_slots when they get combined.
3042 (purge_addressof): Fix typo in comment.
3043 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3044 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3046 * ggc.h: Include varray.h.
3047 (ggc_pending_trees): Declare.
3048 (ggc_mark_tree_children): Remove declaration.
3049 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3050 * ggc-common.c (ggc_pending_trees): New variable.
3051 (ggc_mark_roots): Call ggc_mark_trees.
3052 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3053 the ggc_pending_trees.
3054 * Makefile.in (GGC_H): New variable. Use it throughout in place
3057 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3059 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3062 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3064 * sh.c (sh_insn_length_adjustment): New function.
3065 * sh-protos.h (sh_insn_length_adjustment): Declare.
3066 * sh.h (ADJUST_INSN_LENGTH): Use it.
3068 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3070 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3071 from the insn where REG_RETVAL is added.
3072 (emit_no_conflict_block): Ditto.
3074 * md.texi (Standard Names): Clarify when movX is needed.
3076 * combine.c (simplify_comparison) [MINUS]: Do not replace
3077 all (op (minus A B) 0) with (op A B).
3079 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3080 J"orn Rennecke <amylaar@cygnus.co.uk>
3082 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3083 (block_lump_real): Likewise.
3085 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3087 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3088 remaining non-zero debugging masks.
3090 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3092 * basic-block.h (verify_flow_info): Declare.
3093 (flow_loop_outside_edge_p): Declare.
3094 * flow.c (verify_flow_info): Remove declaration.
3095 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3097 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3099 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3102 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3104 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3105 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3106 seqdi_zero_trunc+1): Allow splits only if registers are
3109 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3111 * acconfig.h: Add HAVE_GAS_HIDDEN.
3112 * config.in: Regenerated.
3113 * configure.in: Add test for .hidden pseudo-op in gas.
3114 * configure: Regenerated.
3115 * crtstuff.c: Include auto-host.h.
3116 Emit additional .hidden pseudo-op for __dso_handle if the
3117 assembler knows about it.
3119 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3121 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3122 before freeing argnames.
3123 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3125 2000-04-05 Michael Meissner <meissner@redhat.com>
3127 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3128 Walton <jonboy@gordian.com> to make memory references with update
3129 work wtih -mregnames.
3131 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3133 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3134 (regrename_optimize): Rename variables `def_uses' and
3135 `ext_basic_blocks' to avoid conflicts with similarly named
3136 typedefs in traditional C.
3138 * calls.c (initialize_argument_information): Fix typo in previous
3141 2000-04-04 Richard Henderson <rth@cygnus.com>
3143 * regrename.c (consider_available): Test fixed_regs not
3144 PIC_OFFSET_TABLE_REGNUM.
3146 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3148 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3150 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3151 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3152 (ENDFILE_LINUX_SPEC): Always use crtend.
3153 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3154 (powerpc-*-linux-gnu): Likewise.
3155 * configure: Regenerate.
3157 * config/rs6000/eabi.h: Don't include sysv4.h.
3158 (MULTILIB_DEFAULTS): Don't define.
3159 * config/rs6000/eabiaix.h: Don't include eabi.h.
3160 * config/rs6000/eabile.h: Delete.
3161 * config/rs6000/eabilesim.h: Delete.
3162 * config/rs6000/eabisim.h: Don't include eabi.h.
3163 * config/rs6000/linux.h: Don't include sysv4.h.
3164 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3165 (MULTILIB_DEFAULTS): Don't redefine.
3166 * config/rs6000/rtems.h: Don't include eabi.h.
3167 * config/rs6000/sol2.h: Don't include sysv4le.h.
3168 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3169 * config/rs6000/t-ppc: Delete.
3170 * config/rs6000/t-ppcgas: Correct comment.
3171 * config/rs6000/t-ppcos: Correct comment. Don't build
3172 multilibs for -fPIC, rather use -fPIC -mstrict-align
3174 * config/rs6000/t-ppc: Delete.
3175 * config/rs6000/vxppc.h: Don't include sysv4.h.
3176 * config/rs6000/vxppcle.h: Delete.
3177 * configure.in: Use multiple header files for p2pc ELF targets
3178 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3179 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3180 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3181 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3182 always available for these platforms.
3184 2000-04-04 Richard Henderson <rth@cygnus.com>
3186 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3188 2000-04-04 Stan Cox <scox@cygnus.com>
3190 * Makefile.in: Add rules for regrename.o
3191 * regrename.c: New file.
3192 * rtl.h (regrename_optimize): Add prototype.
3193 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3194 (compile_file, decode_d_option): Add support for -frename-registers.
3195 (rest_of_compilation): Call regrename_optimize.
3196 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3199 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3201 * Makefile (gccbug): New target.
3202 (doc): Depend on it.
3203 * gcc.texi (Bugs): Link subnodes.
3205 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3206 Document severities, priorities, and classes in bug form.
3208 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3210 * cpplex.c (trigraph_map, speccase): Combine into single
3212 (NORMAL, NONTRI): New macros.
3213 (_cpp_read_and_prescan): Change to use unified table. Use
3214 is_hspace to test for whitespace.
3216 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3217 definition that doesn't provoke the "empty body in an
3218 if-statement" warning.
3220 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3222 * builtins.c (expand_builtin_strlen): Force the source to
3223 be a memory address.
3225 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3227 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3229 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3231 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3232 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3233 (ECF_IS_CONST): Rename to ECF_CONST.
3234 (special_function_p): Make static, change interface.
3235 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3236 (expand_call) ... here; convert number of variables to flags.
3237 (emit_library_call_vlue_1): Likewise.
3238 (setjmp_call_p): New function.
3239 (initialize_argument_information): Accepts flags as argument;
3241 (precompute_arguments): Likewise.
3242 * tree.h (special_function_p): Remove.
3243 (setjmp_call_p): Add prototype.
3245 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3247 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3248 so that addresses are offsetable by up to 16 bytes.
3249 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3250 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3253 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3254 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3255 (movsf): Don't force any constant to memory if target is integer
3257 Move fp_zero_operand check below the const0_rtx check.
3258 (movtf): Likewise. Also allow fp_zero_operand for stores into
3260 (movdf): Likewise. Also allow fp_zero_operand for stores into
3261 memory and into integer hard registers.
3262 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3263 movdf_const_intreg_sp64): Remove.
3264 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3266 (movdf_no_e_insn_v9_sp32): New pattern.
3267 (movdf_insn_v9only): Remove.
3268 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3269 (movdf_insn_sp64): Remove.
3270 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3271 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3272 (following splits): Rewrite conditions. Add two new splits
3273 for storing 0.0 into memory and registers.
3274 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3275 (movtf_insn_sp32): Redo constraints and conditions.
3276 (movtf_insn_vis_sp32): New pattern.
3277 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3278 (movtf_insn_hq_sp64): Likewise.
3279 (movtf_insn_hq_vis_sp64): New pattern.
3280 (movtf_insn_sp64): Redo constraints and conditions.
3281 (movtf_insn_vis_sp64): New pattern.
3282 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3283 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3285 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3286 -mvis or -m64 to take down the number of various reload patterns.
3288 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3290 * pa/pa-64.h: New file.
3291 * pa/pa64-regs.h: New file.
3292 * pa/pa64-start.h: New file.
3293 * pa/t-pa64: New file.
3294 * pa/xm-pa64hpux.h: New file.
3296 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3298 * sparc.c (output_restore_regs): Prototype.
3299 (sparc_emit_float_lib_cmp): Constification.
3301 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3303 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3306 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3307 (get_value_hash, hash_rtx): Likewise.
3309 * ssa.c (compute_conservative_reg_partition): Prototype.
3311 * tree.c (mark_hash_entry): Prototype.
3313 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3315 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3316 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3317 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3319 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3320 * objc/lang-specs.h: Likewise.
3322 2000-04-03 Neil Booth <NeilB@earthling.net>
3324 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3325 and SYNTAX_ERROR2. Replace `' in messages with ''.
3326 (op_to_str): Make re-entrant.
3327 (_cpp_parse_expr): Implement new error macros. Use | rather
3328 than || to logically or 2 boolean integers. Simply expression
3329 checking we have a left operand iff needed.
3331 2000-04-03 Nick Clifton <nickc@cygnus.com>
3333 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3335 2000-04-03 Philip Blundell <philb@gnu.org>
3337 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3339 2000-04-03 Felix Lee <flee@cygnus.com>
3341 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3342 (run_shell): Use it.
3344 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3346 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3347 (stmp-fixproto): ...rather than here.
3349 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3351 * pa.c (print_operand): Compute 'base' only inside the code paths
3354 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3356 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3359 2000-04-03 Philipp Thomas <pthomas@suse.de>
3361 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3363 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3365 * Makefile.in (alias.o): Depend on $(TREE_H).
3367 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3369 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3371 * cpplib.c (_cpp_handle_directive): Improve warnings for
3372 traditional C and indented directives.
3374 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3375 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3376 fixinc/inclhack.def: Indent the # of #include_next one space.
3377 * cp/rtti.c: Un-indent #if and #endif.
3379 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3380 syntax error, but an error has already been printed.
3381 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3382 message when called with nothing remaining on the line.
3383 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3384 OTHER token, not an ASSERTION.
3385 * cpplib.c (do_assert): When we create a 'base' node, clear
3386 its aschain pointer.
3388 2000-04-02 Neil Booth <NeilB@earthling.net>
3390 * cppexp.c: New typedef op_t. struct operation and struct
3391 token updated to use it.
3392 (op_to_str): New function.
3393 (_cpp_parse_expr): Error messages modified to use op_to_str.
3395 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3397 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3398 before checking MUST_PASS_IN_STACK.
3400 2000-04-02 Neil Booth <NeilB@earthling.net>
3402 * cppexp.c: New FINISHED dummy token. Combine operator initial
3403 flags and initial priority into a single constant. New
3404 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3405 (_parse_cpp_expr): Implement new constants. Take left operand
3406 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3407 parse indicated by reducing FINISHED token. Remove new lines
3408 from cpp_error messages.
3410 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3412 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3415 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3417 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3418 directive. Add origin values to DIRECTIVE_TABLE. Generate
3419 the strings and function names on the fly. Take the #sccs
3420 entry out of the table if SCCS_DIRECTIVE is not defined.
3421 (_cpp_handle_directive): Decide if the # was at the beginning
3422 of the line here. Issue -pedantic warnings for extended
3423 directives here. Warn about K+R directives with the #
3424 indented, and C89/extended directives with the # not indented,
3426 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3427 do_assert, do_unassert): Don't issue pedantic warning here.
3429 * cpphash.h: Add CPP_WTRADITIONAL macro.
3430 * cpplib.h (struct cpp_options): Rename warn_stringify to
3431 warn_traditional; update comments.
3432 * cppinit.c (handle_option): Set warn_traditional not
3434 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3435 CPP_WTRADITIONAL (pfile).
3436 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3437 be ignored in -traditional mode here.
3439 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3440 to initialize speccase[] and trigraph_map[]. Delete all
3441 references to pfile->input_speccase. Always treat '?' as a
3442 special character. Remove table-initialization code from
3443 _cpp_init_input_buffer.
3445 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3446 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3448 2000-04-01 Richard Henderson <rth@cygnus.com>
3450 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3451 (mostlyclean): Likewise.
3453 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3454 (struct dump_file_info, enum dump_file_index, dump_file): New.
3455 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3456 not a string. Clean out file if we havn't yet done so. Do nothing
3457 if the dump isn't enabled.
3458 (close_dump_file): Do nothing if the dump isn't open. Dump
3459 graph data if requested.
3460 (dump_rtl, clean_dump_file): Remove.
3461 (compile_file): Don't clean the dump files. Only finalize .bp dump
3462 if flag_test_coverage or flag_branch_probabilities. Only finalize
3463 .combine dump if optimizing. Iterate over dump_file to finalize the
3465 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3466 Convert all uses of dump_rtl.
3467 (decode_d_option): Iterate over dump_file to implement 'a' and to
3468 locate pass-specific dumps.
3470 2000-04-01 Neil Booth <NeilB@earthling.net>
3472 * cppexp.c: Redefine priority constants.
3473 (_cpp_parse_expr): Replace left and right priority scheme with
3474 single priority logic. Move LOGICAL to same place as COMPARE.
3475 Remove bogus check for multiple unary +/- operators.
3477 2000-04-01 Neil Booth <NeilB@earthling.net>
3479 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3480 within the switch statement. Binary operations break out of
3481 the switch naturally. '(' tokens handled by forcing
3482 immediate shift. ')' handled by forcing immediate reduce to
3483 the previous '('. New error messages.
3485 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3487 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3488 part', it's already in use. Use %K instead. Add a return at the
3489 end of what is now %K.
3490 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3492 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3494 * builtins.c (expand_builtin_apply): Pass proper parameters to
3495 allocate_dynamic_stack_space.
3496 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3497 update stack_pointer_delta; do not update arg_size_so_far.
3498 (compute_argument_block_size): Use stack_delta instead of
3499 stack_pointer_pending and arg_size_so_far.
3500 (expand_call): Add sanity checking for stack_pointer_delta;
3501 save and restore stack_pointer_delta for SIB, use
3502 stack_pointer_delta for alignment; do not update arg_space_so_far.
3503 (emit_library_call_value): Use stack_pointer_delta for alignment.
3504 (store_one_arg): Do not update arg_space_so_far.
3505 * explow.c (adjust_stack, anti_adjust_stack): Update
3506 stack_pointer_delta.
3507 (allocate_dynamic_stack_space): Add sanity checking for
3508 stack_pointer_delta.
3509 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3510 stack_pointer_delta.
3511 (emit_push_insn): Update stack_pointer_delta.
3512 * function.h (struct expr_status): Add x_stack_pointer_delta;
3513 remove x_arg_space_so_far.
3514 (arg_space_so_far): Remove.
3515 (stack_pointer_delta): New macro.
3517 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3519 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3520 Reorder struct cpp_options and struct cpp_reader for better
3521 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3522 takes two args. Change all 'char' flags to 'unsigned char'.
3523 Move show_column flag into struct cpp_options. Don't
3524 prototype cpp_options_init.
3525 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3526 cppinit.c, cpplex.c, cpplib.c:
3527 Replace CPP_OPTIONS (pfile)->whatever with
3528 CPP_OPTION (pfile, whatever), and likewise for
3529 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3531 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3532 Extract CPP_OPTION (pfile, pending) and work with that
3534 (cpp_options_init): Delete.
3535 (cpp_reader_init): Turn on on-by-default options here.
3536 Allocate the pending structure here.
3537 (cl_options, enum opt_code): Define these from the same table,
3538 kept in a large macro. Add -fshow-column and -fno-show-column
3541 * cpperror.c (v_message): If show_column is off, don't print
3544 * cppmain.c: Update for new interface.
3545 * fix-header.c: Likewise.
3547 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3549 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3551 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3552 are passed to any invocation of AR_FOR_TARGET.
3553 (AR_CREATE_FOR_TARGET): New macro.
3554 (AR_EXTRACT_FOR_TARGET): New macro.
3555 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3556 AR_EXTRACT_FOR_TARGET.
3557 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3558 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3559 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3560 AR_EXTRACT_FOR_TARGET to sub-makes.
3562 2000-03-31 Neil Booth <NeilB@earthling.net>
3564 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3566 (_cpp_parse_expr): Check for multiple unary +/- operators.
3567 Correct priorities of ':' and '?'. Treat ')' as having a
3568 value. Ensure conditional expression is not void.
3570 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3572 * alias.c (canon_rtx): Make it global.
3573 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3575 * cse.c (struct table_elt): Add canon_exp.
3577 (invalidate): Canonicalize expressions only once.
3578 * rtl.h (canon_rtx): Declare.
3580 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3582 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3583 * alias.c (reg_known_value): Add comments.
3584 (init_alias_analysis): Likewise.
3585 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3587 (cse_basic_block): Fix typo in comment.
3588 * emit-rtl.c: Include hashtab.h.
3589 (const_int_htab): New variable.
3590 (const_int_htab_hash): New function.
3591 (const_int_htab_eq): Likewise.
3592 (rtx_htab_mark_1): Likewise.
3593 (rtx_htab_mark): Likewise.
3594 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3595 (unshare_all_rtx): Fix formatting.
3596 (init_emit_once): Initialize const_int_htab.
3597 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3599 * rtl.texi: Document the fact that all CONST_INTs with the same
3602 2000-03-30 Richard Henderson <rth@cygnus.com>
3604 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3606 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3608 * configure.in: Comment out --enable-c-cpplib stanza.
3609 * configure: Regenerate.
3611 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3613 * expr.c (store_constructor): Properly compute displacement and
3614 alignment when offset is variable.
3616 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3617 cases of alignment in bytes.
3619 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3621 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3622 since it is used to generate c-parse.y.
3623 * objc-parse.c, objc-parse.y: Regenerated.
3625 * function.c (expand_function_end): Pass alignment argument to
3626 emit_block_move in bits, not bytes.
3628 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3630 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3633 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3635 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3636 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3637 * function.c (assign_parms): Likewise.
3638 * integrate.c (expand_inline_function): Likewise.
3639 * stmt.c (expand_decl): Likewise.
3640 (copy_rtx_and_substitute): Likewise.
3641 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3642 (clear_by_pieces): Fix error in last change.
3643 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3644 * function.h (regno_pointer_align): Now unsigned.
3645 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3647 * config/i386/i386.c (aligned_operand): Likewise.
3648 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3649 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3650 (unaligned_memory_operand): Likewise.
3651 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3652 Also make alignments and sizes unsigned and some whitespace cleanup.
3653 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3655 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3656 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3657 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3658 (expand_builtin_memset): Likewise, but to clear_storage.
3659 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3660 (restore_fixed_argument_area): Likewise.
3661 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3662 (load_register_parameters): Likewise, to emit_group_load.
3663 (expand_call): Likewise, to emit_group_store and emit_block_move.
3664 (emit_library_call_value_1): Likewise, to emit_block_move.
3665 (store_one_arg): Likewise, and to emit_push_insn.
3666 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3667 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3668 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3669 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3670 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3671 (expand_assigment, store_expr, store_constructor_field): Likewise.
3672 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3673 (store_constructor, store_field, get_inner_reference): Likewise.
3674 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3675 (expand_expr, case COMPONENT_REF): Likewise.
3676 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3677 and positions; reindent code.
3678 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3679 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3680 (assign_parms): Likewise to emit_group_store.
3681 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3682 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3683 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3684 (expand_return): Likewise to {extract,store}_bit_field.
3685 * stor-layout.c (get_mode_alignment): Minor cleanup.
3686 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3687 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3689 2000-03-29 Nick Clifton <nickc@cygnus.com>
3691 * config/arm/arm.h: Undo effects of previous delta:
3692 (ASM_SPEC): Do not define.
3693 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3695 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3698 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3700 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3701 only after reading in the primary source file.
3703 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3705 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3706 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3707 or a reference to a va_list.
3708 * builtins.c (stabilize_va_list): Simplify now we don't have to
3709 work around C array address decay.
3710 * c-typeck.c (convert_for_assignment): Handle assignment to
3711 a reference parameter by taking the address of the RHS.
3712 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3713 (va_copy): Likewise.
3714 (__va_copy): Likewise.
3715 * ginclude/varargs.h (va_start): Likewise.
3716 (__va_copy): Likewise.
3718 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3720 * i386/djgpp.h: Remove extraneous "+".
3722 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3724 * calls.c (expand_call): Fix typo in last change.
3726 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3728 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3731 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3733 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3734 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3735 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3736 * tree.c (bit_position, byte_position): Likewise.
3737 * tree.h: Declare new functions.
3739 2000-03-29 Nick Clifton <nickc@cygnus.com>
3741 * config/arm/arm.c: Minor formatting changes/
3742 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3744 (ASM_SPEC): Define if not already defined.
3746 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3748 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3751 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3753 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3754 value, don't output it as unsigned.
3756 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3758 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3760 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3762 * c-common.c (c_common_nodes_and_builtins): Don't special case
3763 cplus_mode when declaring builtin bzero/bcmp, always avoid
3764 prototype arguments.
3766 2000-03-29 Bruce Korb <bkorb@gnu.org>
3768 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3771 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3773 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3774 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3775 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3776 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3777 (save_fixed_argument_area, restore_fixed_argument_area):
3778 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3779 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3780 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3781 (precompute_register_parameters): Avoid #ifdefs on
3782 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3783 (stire_one_args): Likewise.
3784 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3785 (emit_library_call_value_1): Likewise.
3786 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3787 ACCUMULATE_OUTGOING_ARGS.
3788 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3790 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3791 (use_crosses_set_p): Likewise.
3792 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3793 #define ACCUMULATE_OUTGOING_ARGS 1.
3794 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3796 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3798 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3799 (TARGET_SWITCHES): Add push-args, no-push-args,
3800 accumulate-outgoing-args and no-accumulate-outgoing-args.
3801 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3802 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3803 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3805 (emit_push_insn): Likewise.
3806 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3807 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3808 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3809 (STACK_DYNAMIC_OFFSET): Define correctly for both
3810 ACCUMULATE_OUTGOING_ARGS and normal mode.
3811 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3812 * tm.texi (PUSH_ARGS): Document.
3813 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3815 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3817 * flags.h (flag_optimize_sibling_calls): Declare.
3818 * calls.c (expand_call): Fail sibcall when
3819 !flag_optimize_sibling_calls
3820 * invoke.texi (flag_optimize_sibling_calls): Document.
3821 * toplev.c (flag_optimize_sibling_calls): New global variable.
3822 (f_options): Add flag_optimize_sibling_calls.
3823 (rest_of_compilation): Conditionize
3824 optimize_sibling_and_tail_recursive_calls by
3825 flag_optimize_sibling_calls.
3826 (main): Set flag_optimize_sibling_calls for -O2.
3827 * stmt.c (expand_return): Conditionize tail recursion by
3828 flag_optimize_sibling_calls.
3830 2000-03-29 Richard Henderson <rth@cygnus.com>
3832 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3833 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3835 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3837 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3839 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3841 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3843 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3844 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3845 * config/rs6000/aix.h: then modified likewise.
3847 2000-03-28 Richard Henderson <rth@cygnus.com>
3849 * rtl.h: Redistribute enum reg_note documentation.
3850 Kill trailing whitespace.
3851 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3852 Kill trailing whitespace.
3854 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3856 * cppfiles.c (hash_IHASH): Just return i->hash.
3857 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3858 htab_find_with_hash.
3859 (cpp_read_file): Likewise.
3860 (find_include_file): Likewise. Properly initialize
3861 ih->nshort. Share ih->name and ih->nshort if possible.
3862 * cpphash.c (_cpp_calc_hash): New function.
3863 (hash_HASHNODE): Just return h->hash.
3864 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3865 htab_find_with_hash.
3866 * cpphash.h: Prototype _cpp_calc_hash.
3867 * cppinit.c (initialize_builtins): Provide a valid hash
3868 to _cpp_make_hashnode, using _cpp_calc_hash.
3870 * cpphash.c (collect_expansion): # is not a special character
3871 in object-like macros. In -traditional mode, /**/ is not
3872 token paste at the beginning or end of the line.
3873 * cpplib.c (do_include, do_import, do_include_next): If
3874 parse_include fails, return immediately.
3876 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3878 * config/arm/arm.md (return peepholes): Update to reflect the new
3880 * config/arm/arm.c (arm_volatile_func): Also check
3881 current_function_nothrow.
3882 (output_return_instruction, output_func_prologue): Use it.
3883 (arm_output_epilogue, arm_expand_prologue): Likewise.
3885 2000-03-27 Tom Tromey <tromey@cygnus.com>
3887 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3890 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3892 * expr.c (store_constructor): SIZE now signed.
3893 For EXPR_SIZE, don't evaluate size; just needed if constant.
3894 * fold-const.c (fold): Fix a number of cases when folded tree is
3896 * function.c (flush_addressof): Reenable.
3897 * tree.h (flush_addressof): Likewise.
3898 * toplev.c (independent_decode_option): Look at strings_processed.
3899 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3901 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3903 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3904 Allow stack adjustment after function call.
3906 * regmove.c (struct csa_memlist): Make mem field rtx *.
3907 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3908 (try_apply_stack_adjustment): Replace whole MEM rtx.
3909 (combine_stack_adjustments_for_block): Update calls
3910 to record_one_stack_ref.
3912 2000-03-28 Neil Booth <NeilB@earthling.net>
3914 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3915 '\\' rather than a null character, so nulls are not special. Fix
3916 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3917 speed trigraph conversion.
3918 (_cpp_init_input_buffer): Initialize trigraph map.
3920 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3922 * config/i386/i386.c (output_387_binary_op): Correct intel
3923 mode assembly output, and add spaces after commas in AT&T
3924 output. Correct Unixware assembler comment. Document input
3925 constraints. Comment fp operations. Reduce profligate buffer
3926 size. Remove extraneous abort. Localize temp var.
3927 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3928 (output_fix_trunc): Add spaces after commas in assembly output.
3930 2000-03-27 Richard Henderson <rth@cygnus.com>
3932 * i386-protos.h (ix86_match_ccmode): Declare.
3933 * i386.c (ix86_match_ccmode): New.
3934 (ix86_expand_fp_compare): Update for pattern renames.
3935 (ix86_expand_strlensi_unroll_1): Likewise.
3936 * i386.h (EXTRA_CC_MODES): Add CCZ.
3937 (SELECT_CC_MODE): Use it for EQ/NE zero.
3938 * i386.md (cmpsi_ccz_1): New.
3940 (*testsi_ccz_1): New.
3941 (testqi_ccz_1): New.
3942 (cmpsi_ccno_1): Rename from cmpsi_0.
3943 (testsi_ccno_1): Rename from testsi_1.
3944 (testqi_ccno_1): Rename from testqi_1.
3945 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3946 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3947 (*cmphi_0): Use ix86_match_ccmode.
3948 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3949 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3950 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3951 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3952 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3953 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3954 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3955 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3956 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3957 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3958 (appropriate peepholes): Likewise.
3959 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3960 (*subsi_3, *subhi_3, *subqi_3): Remove.
3961 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3962 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3963 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3964 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3965 (x86_shift_adj_1): Use CCZ.
3966 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3968 2000-03-27 Stan Cox <scox@cygnus.com>
3970 * resource.h (mark_resource_type): New.
3971 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3972 find_free_register): Use mark_resource_type.
3973 (mark_set_resources): Change include_delayed_effects
3974 to mark_resource_type.
3975 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3976 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3977 Use mark_resource_type.
3979 2000-03-27 Richard Henderson <rth@cygnus.com>
3981 * i386.md (call_pop_0, call_value_pop_0): New.
3982 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3983 (call_value_pop_1): Likewise.
3984 (call_0, call_value_0): New.
3985 (call_1, call_value_1): Remove constraint from unused arg.
3987 2000-03-27 Nick Clifton <nickc@cygnus.com>
3989 * invoke.texi (Spec Files): Document new spec % command created by
3990 Tom Tromey's recent patch.
3992 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3994 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3997 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3999 * expr.c (expand_assignment): Fix typo in last change.
4001 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4003 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4005 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4006 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4007 and DECL_INLINE if FUNCTION_DECL.
4008 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4009 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4010 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4011 (combine_parm_decls): Likewise.
4012 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4013 * print-tree.c (print_node): Likewise.
4014 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4015 DECL_TRANSPARENT_UNION on proper decl types.
4016 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4017 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4018 DECL_BIT_FIELD of FIELD_DECL.
4019 * tree.h (DECL_RESULT_FLD): New macro.
4021 * expr.c (expand_assignment): Add code to handle variable-sized
4024 2000-03-26 Richard Henderson <rth@cygnus.com>
4026 * calls.c (expand_call): Pass parms not original exp to
4027 optimize_tail_recursion. Mind return value instead of looking
4029 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4030 call_expr. Move checks for call_expr and current_function_decl ...
4031 (expand_return): ... here.
4033 2000-03-26 Tom Tromey <tromey@cygnus.com>
4035 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4036 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4038 (process_command): Use them.
4039 (check_live_switch): Likewise.
4040 (give_switch): Skip ignored switches.
4042 2000-03-26 Jan Hubicka <jh@suse.cz>
4044 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4045 for minimal jump pass test.
4047 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4049 * integrate.c (function_cannot_inline_p): Do inline functions that
4052 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4054 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4055 now a list of TREE_LIST entries, not types.
4056 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4058 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4059 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4061 * config/mips/mips.c (function_arg): Likewise; also remove cast
4062 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4063 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4064 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4065 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4066 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4067 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4068 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4069 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4070 num_adjusts now unsigned.
4071 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4072 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4074 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4075 as is BITPOS variable; use host_integerp and int_bit_position.
4076 (function_arg_record_value_2): Likewise.
4077 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4078 Variable REGNO now unsigned.
4079 (function_arg_record_value): NREGS now unsigned.
4081 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4083 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4085 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4087 * Rework fields used to describe positions of bitfields and
4088 modify sizes to be unsigned and use HOST_WIDE_INT.
4089 * alias.c (reg_known_value_size): Now unsigned.
4090 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4091 (really_start_incremental_init): Use bitsize_zero_node.
4092 (push_init_level, pop_init_level, output_init_element): Likewise.
4093 Use bitsize_unit_node and bitsize_one_node.
4094 (output_pending_init_elements, process_init_element): Likewise.
4095 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4096 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4097 HOST_WIDE_INT, respectively.
4098 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4099 (num_sign_bit_copies): Returns unsigned.
4100 BITWIDTH now unsigned; rework arithmetic.
4101 Remove recursive call from arg to MAX.
4102 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4103 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4105 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4106 (find_split_point, expand_compound_operation, make_extraction): LEN
4107 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4108 (make_field_assignment): Likewise.
4109 (combine_simplify_rtx): Add cast.
4110 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4111 (force_to_mode): WIDTH now unsigned; add cast.
4112 (if_then_else_cond): SIZE now unsigned.
4113 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4114 (extended_count): Now returns unsigned.
4115 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4116 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4117 (simplify_comparison): MODE_WIDTH now unsigned.
4118 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4119 (mark_used_regs_combine): Likewise; rework arithmetic.
4120 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4121 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4122 (record_promoted_value): REGNO now unsigned.
4123 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4124 (get_last_value): REGNO now unsigned.
4125 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4126 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4127 (remove_death): Arg REGNO now unsigned.
4128 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4129 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4131 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4132 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4133 (struct cse_reg_info): REGNO now unsigned.
4134 (cached_regno): Now unsigned.
4135 (REGNO_QTY_VALID_P): Add cast.
4136 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4137 (remove_invalid_regs): Likewise.
4138 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4139 as are variables END and I.
4140 (get_cse_reg_info, insert): Likewise.
4141 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4142 (canon_hash): Likewise.
4143 (insert_regs, lookup_for_remove): REGNO now unsigned.
4144 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4146 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4147 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4148 * emit-rtl.c (subreg_realpart_p): Add cast.
4149 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4150 (operand_subword_force): Arg I is now unsigned.
4151 * except.c (eh_regs): Variable I is now unsigned.
4152 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4153 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4154 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4155 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4156 (extract_split_bit_field, store_bit_field, extract_bit_field):
4158 * expr.c (store_constructor_fields, store_constructor, store_field):
4159 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4160 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4161 (do_jump): Likewise.
4162 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4163 MAX_SIZE is now unsigned.
4164 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4165 (emit_group_store): Likewise.
4166 (emit_move_insn): I now unsigned.
4167 (store_constructor): Use host_integerp, tree_low_cst, and
4169 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4170 Rework all calculations to use trees and new fields.
4171 * expr.h (promoted_input_arg): Regno now unsigned.
4172 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4173 (mark_seen_cases): Arg is HOST_WIDE_INT.
4174 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4175 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4176 precisions and alignments are unsigned.
4177 (optimize_bit_field_compare, fold_truthop): Likewise.
4178 (int_const_binop): Adjust threshold for size_int_type_wide call.
4179 (fold_convert): Likewise.
4180 (size_int_type_wide): Make table larger and fix thinko that only
4181 had half of table used.
4182 (all_ones_mask_p, fold): Precisions are unsigned.
4183 * function.c (put_reg_info_stack): REGNO is unsigned.
4184 (instantiate_decl): Size is HOST_WIDE_INT.
4185 (instantiate_virtual_regs): I is unsigned.
4186 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4187 (promoted_input_arg): REGNO is unsigned.
4188 * function.h (struct function): x_max_parm_reg is now unsigned.
4189 * gcse.c (max_gcse_regno): Now unsigned.
4190 (struct null_pointer_info): min_reg and max_reg now unsigned.
4191 (lookup_set, next_set): REGNO arg now unsigned.
4192 (compute_hash_table): REGNO and I now unsigned.
4193 (handle_avail_expr): regnum_for_replacing now unsigned.
4194 (cprop_insn): REGNO now unsigned.
4195 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4196 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4197 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4198 * hard-reg-set.h (reg_class_size): Now unsigned.
4199 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4200 * jump.c (mark_modified_reg): I now unsigned; add cast.
4201 (rtx_equal_for_thread_p): Add cast.
4202 * loop.c (max_reg_before_loop): Now unsigned.
4203 (struct_movable): REGNO now unsigned.
4204 (try_copy_prop): REGNO arg unsigned.
4205 (regs_match_p): XN and YN now unsigned.
4206 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4207 (strength_reduce): Likewise; NREGS also unsigned.
4208 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4209 * loop.h (struct iv_class): REGNO now unsigned.
4210 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4212 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4213 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4214 * optabs.c (expand_binop): I and NWORDS now unsigned.
4215 (expand_unop): I now unsigned.
4216 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4217 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4218 * real.c (significand_size): Now returns unsigned.
4219 * real.h (significand_size): Likewise.
4220 * regclass.c (reg_class_size): Now unsigned.
4221 (choose_hard_reg_mode): Both operands now unsigned.
4222 (record_reg_classes): REGNO and NR now unsigned.
4223 (reg_scan): NREGS now unsigned.
4224 (reg_scan_update): old_max_regno now unsigned.
4225 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4226 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4227 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4228 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4229 Likewise for variable R.
4230 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4231 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4232 (find_equiv_reg): Add casts.
4233 (regno_clobbered_p): Arg REGNO now unsigned.
4234 * reload.h (struct reload): NREGS now unsigned.
4235 (refers_to_regno_for_reload_p): Regno args are unsigned.
4236 (regno_clobbered_p): Likewise.
4237 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4238 (compute_use_by_pseudos): REGNO now unsigned.
4239 (find_reg): I and J now unsigned, new variable K, and change loop
4240 variables accordingly; THIS_NREGS now unsigned.
4241 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4242 (spill_hard_reg): REGNO arg now unsigned; add casts.
4243 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4244 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4245 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4246 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4247 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4248 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4249 (emit_reload_insns): REGNO now unsigned.
4250 (reload_cse_move2add): Add cast.
4251 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4253 * resource.c (mark_referenced_resources, mark_set_resources): New
4254 variable R; REGNO and LAST_REGNO now unsigned.
4255 (mark_target_live_regs): J and REGNO now unsigned.
4256 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4257 * rtl.h (union rtunion_def): New field rtuint.
4258 (XCUINT): New macro.
4259 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4260 (operand_subword, operand_subword_force): Word number is unsigned.
4261 (choose_hard_reg_mode): Operands are unsigned.
4262 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4263 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4264 (regno_use_in, combine_instructions, remove_death): Likewise.
4265 (reg_scan, reg_scan_update): Likewise.
4266 (extended_count): Return is unsigned.
4267 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4268 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4269 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4270 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4271 (reg_reg_last_1): FIRS and LAST now unsigned.
4272 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4273 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4275 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4276 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4277 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4278 (replace_regs): Arg NREGS now unsigned.
4279 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4280 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4281 (simplify_binary_operation): Likewise.
4282 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4283 THIS_LAST now unsigned.
4284 (cselib_record_set): Add cast.
4285 * ssa.c (ssa_max_reg_num): Now unsigned.
4286 (rename_block): REGNO now unsigned.
4287 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4289 (all_cases_count): Just return -1 not -2.
4290 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4291 Rework tests to use trees whenever possible.
4292 Use host_integerp and tree_low_cst.
4293 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4294 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4295 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4296 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4297 (smallest_mode_for_size): Likewise.
4298 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4299 KNOWN_ALIGN is now an alignment, so simplify code.
4300 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4301 (start_record_layout): Renamed from new_record_layout_info.
4302 Update to new fields.
4303 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4305 (place_union_field): Renamed from layout_union_field.
4306 Update to use new fields in rli.
4307 (place_field): Renamed from layout_field.
4308 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4309 (finalize_record_size): Rework to use new fields in rli and handle
4311 (compute_record_mode): Rework to simplify and to use new DECL fields.
4312 (finalize_type_size): Make rounding more consistent.
4313 (finish_union_layout): Deleted.
4314 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4315 (layout_type, case RECORD_TYPE): Call new function names.
4316 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4317 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4318 (get_best_mode): UNIT is now unsigned; remove casts.
4319 * tree.c (bit_position): Compute from new fields.
4320 (byte_position, int_byte_position): New functions.
4321 (print_type_hash_statistics): Cast to remove warning.
4322 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4323 (build_index_type): Likewise; make subtype of sizetype.
4324 (build_index_2_type): Pass sizetype to build_range_type.
4325 (build_common_tree_nodes): Use size_int and bitsize_int to
4326 initialize nodes; add bitsize_{zero,one,unit}_node.
4327 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4328 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4329 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4330 (DECL_FIELD_BITPOS): Deleted.
4331 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4332 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4333 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4334 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4335 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4336 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4337 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4338 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4339 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4340 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4341 (DECL_ALIGN): Adjust to new field in union.
4342 (DECL_OFFSET_ALIGN): New field.
4343 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4344 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4345 (union tree_decl): Add struct for both aligns.
4346 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4347 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4348 (struct record_layout_info): Rework fields to have offset
4349 alignment and byte and bit position.
4350 (start_record_layout, place_field): Renamed from old names.
4351 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4352 (byte_position, int_byte_position): Likewise.
4353 (get_inner_reference): Change types of position and length.
4354 * unroll.c (unroll_loop): New variable R; use for some loops.
4355 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4356 (calculate_giv_inc): Arg REGNO now unsigned.
4357 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4358 * varasm.c (assemble_variable): Clean up handling of size using
4359 host_integerp and tree_low_cst.
4360 (decode_addr_const): Use byte, not bit, position.
4361 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4362 use tree_low_cst and int_bit_position.
4363 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4365 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4367 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4368 (reorder_block_def): New members eff_head and eff_end.
4369 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4370 (verify_insn_chain): New function.
4371 (skip_insns_between_block): Add code to skip deleted insns.
4372 Check for note before using.
4373 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4374 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4375 Check for note before using.
4376 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4377 (fixup_reorder_chain): Restructure, clean up, defect removal.
4378 (reorder_basic_blocks): Remove last_insn and references to it.
4379 Moved insn chain verification code into a new function (see above).
4380 Delete defective code that sets last insn.
4381 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4384 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4386 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4388 2000-03-24 Richard Henderson <rth@cygnus.com>
4390 * tree.c (lang_safe_for_unsave): Remove.
4391 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4392 allowing for two levels of unsafeness. Remove lang hook.
4393 * tree.h: Update declarations.
4394 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4395 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4396 Always fail sibcalls when there are pending cleanups.
4398 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4400 * flow.c (propagate_block): When we delete an ADDR_VEC,
4401 also delete the BARRIER following it if there is one.
4403 2000-03-24 Richard Henderson <rth@cygnus.com>
4405 * builtins.c (expand_builtin_bzero): Convert `length' argument
4408 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4410 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4411 comparison if regno's are equal.
4412 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4413 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4414 (expand_call): Update caller.
4415 Avoid making a sibling call if argument size of the callee is larger
4416 than argument size of the caller.
4417 Call hard_function_value with outgoing set if in sibcall pass.
4418 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4420 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4421 Change LEAF_REGISTERS from an array initializer to actual array
4422 identifier. Move static global variable into the function.
4423 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4424 sequences for leaf functions.
4425 * global.c (global_alloc): Likewise.
4426 * tm.texi (LEAF_REGISTERS): Update documentation.
4428 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4429 TARGET_FLAT leaf disabling hack.
4430 (LEAF_REGISTERS): Changed from an array initializer to actual array
4431 identifier to avoid duplication and remove the above hack.
4432 (FUNCTION_OK_FOR_SIBCALL): Define.
4433 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4434 always like call attribute.
4435 (eligible_for_sibcall_delay): New attribute.
4436 (sibcall): New delay type.
4437 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4438 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4439 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4440 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4441 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4443 (output_function_epilogue): Move part of the code into
4444 output_restore_regs.
4445 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4447 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4450 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4451 until infrastructure is finished.
4453 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4455 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4456 (save_parm_insns): Not here.
4458 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4460 * builtins.c (expand_builtin_bzero): New function.
4461 (expand_builtin): Handle bzero.
4463 * builtins.def: Add BUILT_IN_BZERO.
4465 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4466 prototype & function for bzero.
4468 2000-03-23 Michael Meissner <meissner@redhat.com>
4470 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4471 change adding TARGET_FP to the TF floating point insns, except for
4472 trunctfsf2, which generates direct calls to truncdfsf2.
4474 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4476 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4477 try to protect against middle-end changes that break binary
4479 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4481 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4483 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4485 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4487 * calls.c (expand_call): If TARGET is passed by reference and
4488 is readonly, write a CLOBBER.
4490 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 * builtins.c (expand_builtin): Handle bcmp.
4494 * builtins.def: Add BUILT_IN_BCMP.
4496 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4497 prototype & function for bcmp.
4499 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4501 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4502 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4503 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4505 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4507 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4508 alternative when using -fp64 -gp32.
4510 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4512 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4513 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4514 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4516 * frame.h (frame_state): Revert last change.
4517 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4518 * libgcc2.c (throw_helper): Revert last change.
4520 2000-03-22 Richard Henderson <rth@cygnus.com>
4522 * stmt.c (expand_asm_operands): Don't promote the temporary.
4524 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4526 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4527 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4528 c_get_alias_set): Likewise.
4529 * c-decl.c (duplicate_decls): Likewise.
4530 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4531 * calls.c (initialize_argument_information): Likewise.
4532 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4534 * dwarfout.c (decl_class_context,output_type): Likewise.
4535 * expr.c (get_inner_reference): Likewise.
4536 * fold-const.c (simple_operand_p,fold): Likewise.
4537 * function.c (aggregate_value_p): Likewise.
4538 * stmt.c (expand_asm_operands): Likewise.
4539 * varasm.c (named_section): Likewise.
4541 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4543 Implement dwarf2 exception handling for the ARM.
4544 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4545 (DWARF_FRAME_RETURN_COLUMN): Define.
4546 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4547 REG_FRAME_RELATED_EXPR note.
4548 (emit_sfm): Likewise.
4549 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4550 * dwarf2out.c (reg_save): Handle saving a register to itself.
4551 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4552 * except.c (eh_regs): Don't use the static chain reg if it's
4554 * frame.h (frame_state): Add cfa_saved field.
4555 * frame.c (execute_cfa_insn): Set it.
4556 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4558 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4560 (instantiate_virtual_regs): Adjust.
4562 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4563 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4564 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4566 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4567 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4569 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4571 * builtins.def: New file.
4573 * Makefile.in (TREE_H): Depend on builtins.def.
4575 * builtins.c (built_in_names): Use builtins.def.
4577 * tree.h (built_in_function): Likewise.
4579 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4581 * tree.c (size_in_bytes): Return size_zero_node, not
4584 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4586 * config/fp-bit.c (pack_d): Correct the case when a denormal
4587 is rounded up and stops being denormal.
4589 2000-03-21 Richard Henderson <rth@cygnus.com>
4591 * config/alpha/alpha.c (function_arg): Check for void_type_node
4592 before using MUST_PASS_IN_STACK.
4594 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4596 * regmove.c (combine_stack_adjustments_for_block): Check that
4597 the stack pointer is a valid memory address.
4599 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4601 * calls.c: re-install Mar 16 emit_library_call merge.
4603 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4605 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4606 we cannot be sure that if reload_completed base register will
4607 be properly aligned.
4609 2000-03-21 Richard Henderson <rth@cygnus.com>
4611 * flow.c (delete_block): Fix typo last change.
4613 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4615 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4616 not COMPLETE_TYPE_P, to check the type of the expression.
4618 2000-03-21 Michael Meissner <meissner@redhat.com>
4620 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4621 all floating point insns that just tested the macro
4622 TARGET_HAS_XFLOATING_LIBS.
4623 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4624 used to only use the gprs.
4626 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4628 * tree.h (COMPLETE_TYPE_P): New macro.
4629 (COMPLETE_OR_VOID_TYPE_P): New macro.
4630 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4631 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4632 * c-aux-info.c (gen_type): Use them.
4633 * c-common.c (c_expand_expr_stmt): Likewise.
4634 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4635 grokdeclarator, grokparms, finish_struct, start_function,
4636 store_parm_decls, combine_parm_decls): Likewise.
4637 * c-parse.y (cast_expr): Likewise.
4638 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4639 c_size_in_bytes, c_alignof, build_component_ref,
4640 build_indirect_ref, build_array_ref, convert_arguments,
4641 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4642 * calls.c (initialize_argument_information): Likewise.
4643 * convert.c (convert_to_integer): Likewise.
4644 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4645 * dwarfout.c (location_or_const_value_attribute,
4646 output_enumeration_type_die, output_structure_type_die,
4647 output_union_type_die, output_type): Likewise.
4648 * expr.c (safe_from_p, expand_expr): Likewise.
4649 * function.c (assign_parms): Likewise.
4650 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4651 * tree.c (build_array_type, build_function_type,
4652 build_method_type, build_offset_type, build_complex_type): Likewise.
4653 * c-parse.c, c-parse.h: Regenerated.
4655 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4657 * config/c4x/rtems.h: Include config/rtems.h.
4659 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4661 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4662 decl is a FUNCTION_DECL
4664 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4666 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4667 function uses output registers. Don't save RP for leaf functions.
4668 Do save RP even if no epilogue.
4669 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4670 (CALL_USED_REGISTERS): Unmark in registers.
4671 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4674 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4676 * config/rs6000/rs6000.md (bunordered): New expander.
4677 (bordered): New expander.
4678 (buneq): New expander.
4679 (bunge): New expander.
4680 (bungt): New expander.
4681 (bunle): New expander.
4682 (bunlt): New expander.
4683 (bltgt): New expander.
4685 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4686 (ccr_bit_negated_p): New function.
4687 (print_operand): For %C, generate appropriate cror for UNEQ,
4688 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4690 2000-03-20 Andreas Jaeger <aj@suse.de>
4692 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4695 * tree.h (safe_for_unsave): Prototype.
4697 2000-03-20 Richard Henderson <rth@cygnus.com>
4699 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4700 (combine_stack_adjustments_for_block): Don't allow sp references
4701 in the side of a set we're not fixing up.
4702 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4703 after life_analysis.
4705 2000-03-20 Richard Henderson <rth@cygnus.com>
4707 * calls.c (expand_call): Don't bother generating tail call
4708 sequences if there are pending cleanups. Use
4709 expand_start_target_temps/expand_end_target_temps to elide
4710 cleanups created during sibcall expansion.
4712 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4714 * configure.in: Set $IFS to a value if it doesn't already have one
4715 in the --enable-checking handling.
4716 * configure: Regenerate.
4718 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4720 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4721 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4724 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4726 * jump.c (delete_noop_moves): Remove code attempting to
4727 combine stack adjustments.
4729 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4731 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4732 * except.c (emit_cleanup_handler): Use them.
4733 (expand_end_all_catch): Likewise.
4734 * function.c (fixup_var_refs): Likewise.
4735 (expand_function_end): Clear catch_clauses_last.
4736 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4737 * except.h (struct eh_status): New field x_catch_clauses_last.
4738 (catch_clauses_last): New define.
4740 * Makefile.in (tree.o): Depend on HASHTAB_H.
4741 * tree.c: Include hashtab.h.
4742 (struct type_hash): Remove next field.
4743 (TYPE_HASH_SIZE): Remove.
4744 (TYPE_HASH_INITIAL_SIZE): New define.
4745 (type_hash_table): Change type to htab_t.
4746 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4747 mark_hash_entry): New functions.
4748 (init_obstacks): Allocate type hash.
4749 (type_hash_lookup): Use htab functions.
4750 (type_hash_add, mark_type_hash): Likewise.
4751 (dump_tree_statistics): Call print_type_hash_statistics.
4753 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4755 * rs6000/t-aix41: New file.
4757 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4759 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4761 * tm.texi (Driver): Fix typos and tweak entry for
4763 Move misplaced STRUCT_FORCE_BLK entry ...
4764 (Storage Layout): ... to here.
4765 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4767 2000-03-19 Richard Henderson <rth@cygnus.com>
4769 * flow.c (delete_block): Delete the addr_vec along with the block.
4770 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4773 * fold-const.c (extract_muldiv): Apply type check for defined
4774 overflow to multiply as well as divide.
4776 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4778 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4780 * emit-rtl.c (remove_unncessary_notes): Check that all
4781 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4782 associated NOTE_BLOCK.
4783 * function.h (identify_blocks): Update comments.
4784 (reorder_blocks): Declare.
4785 * function.c (identify_blocks): Don't take paramters.
4786 (reorder_blocks): Don't take parameters.
4787 * loop.h (find_loop_tree_blocks): Remove.
4788 (unroll_block_trees): Likewise.
4789 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4790 reorder_blocks instead of unroll_block_trees.h
4791 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4792 * stmt.c (find_loop_tree_blocks): Remove.
4793 (unroll_block_trees): Likewise.
4794 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4795 in whole-function mode.
4796 * tree.h (reorder_blocks): Remove declaration.
4798 * expr.c: Include intl.h.
4799 * Makefile.in (expr.o): Depend on intl.h.
4801 2000-03-18 Richard Henderson <rth@cygnus.com>
4803 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4805 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4807 * tree.h (tree_index): Remove enumerals for integer types.
4808 (integer_type_kind): New type.
4809 (integer_types): New variable.
4810 (char_type_node): Adjust.
4811 (signed_char_type_node): Likewise.
4812 (unsigned_char_type_node): Likewise.
4813 (short_integer_type_node): Likewise.
4814 (short_unsigned_type_node): Likewise.
4815 (integer_type_node): Likewise.
4816 (unsigned_type_node): Likewise.
4817 (long_integer_type_node): Likewise.
4818 (long_unsigned_type_node): Likewise.
4819 (long_long_integer_type_node): Likewise.
4820 (long_long_unsigned_type_node): Likewise.
4821 * tree.c (integer_types): New variable.
4822 (init_obstacks): Register it as a root.
4824 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4826 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4827 NEXT_INSN. Update last insn in chain.
4829 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4831 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4832 with TYPE_DECL_SUPPRESS_DEBUG set.
4834 2000-03-18 Richard Henderson <rth@cygnus.com>
4836 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4838 2000-03-18 Richard Henderson <rth@cygnus.com>
4840 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4841 care for HALF_PIC_P.
4842 (expander_call_insn_operand): Remove.
4843 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4844 * i386.h (PREDICATE_CODES): Update.
4845 * i386.md (all call expanders): Remove predicates, remove special
4846 handling for half-pic.
4847 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4848 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4849 (sibcall_epilogue): New.
4851 2000-03-17 Richard Henderson <rth@cygnus.com>
4853 * rtlanal.c (single_set): Reject if the parallel has anything
4854 except SET or USE or CLOBBER.
4856 2000-03-17 Jeff Law <law@cygnus.com>
4857 Richard Henderson <rth@cygnus.com>
4859 * Makefile.in (OBJS): Add sibcall.o.
4861 * sibcall.c: New file.
4862 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4863 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4864 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4865 Emit sibcall patterns when requested. Update all callers.
4866 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4867 elimination seems feasable.
4868 * final.c (leaf_function_p): Sibling calls don't discount being
4870 * flow.c (HAVE_sibcall_epilogue): Provide default.
4871 (find_basic_blocks_1): Sibling calls don't throw.
4872 (make_edges): Make edge from sibling call to EXIT.
4873 (propagate_block): Don't remove sibcall_epilogue insns.
4874 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4875 (sibcall_epilogue): New.
4876 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4877 (identify_blocks_1): Likewise. Break out from ...
4878 (identify_blocks): ... here.
4879 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4880 (reorder_blocks): ... here.
4881 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4882 (record_insns): Extend a varray instead of mallocing new memory.
4883 (contains): Read a varray not array of ints.
4884 (sibcall_epilogue_contains): New.
4885 (thread_prologue_and_epilogue_insns): Emit and record
4886 sibcall_epilogue patterns.
4887 (init_function_once): Allocate prologue/epilogue varrays.
4888 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4889 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4891 (save_for_inline_nocopy): ... here.
4892 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4894 (expand_inline_function): ... here.
4895 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4896 (subst_constants): Handle 'n' formats.
4897 * jump.c (jump_optimize_minimal): New.
4898 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4899 optimizations if it's set.
4900 * rtl.c (copy_rtx): Do copy jump & call for insns.
4901 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4902 (SIBLING_CALL_P): New.
4903 (sibcall_use_t): New.
4904 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4905 Invoke optimize_sibling_and_tail_recursive_calls.
4906 * tree.c (lang_safe_for_unsave): New.
4907 (safe_for_unsave): New.
4908 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4910 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4911 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4912 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4914 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4916 * objc/objc-act.c (encode_method_prototype): Pass types, not
4917 PARM_DECLs, to int_size_in_bytes.
4919 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4921 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4923 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4924 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4926 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4928 * Clean up usages of TREE_INT_CST_LOW.
4929 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4930 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4932 * c-tree.h (min_precision): Move declaration to here.
4933 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4934 (build_unary_op, add_pending_init): Use bit_position.
4935 (pending_init_member, process_init_element): Likewise.
4936 (really_start_incremental_init, push_init_level, pop_init_level):
4937 Don't make copies of nodes or modify them in place, use consistent
4938 types when tracking positions, and use tree routines computations.
4939 (set_init_index, output_init_element): Likewise.
4940 (output_pending_init_elements, process_init_element): Likewise.
4941 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4942 tree_low_cst and int_bit_position; also minor cleanup.
4943 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4944 (print_cst_octal): Precision is unsigned.
4945 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4946 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4947 (simple_type_align_in_bits): Result is unsigned int.
4948 Use tree_int_low_cst and host_integerp.
4949 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4950 (field_byte_offset): Result is HOST_WIDE_INT.
4951 Change types of internal variables so alignments are unsigned int,
4952 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4953 Use host_integerp, tree_low_cst, and int_bit_position.
4954 (add_bit_offset_attribute): Likewise.
4955 (add_data_member_location_attribute): Use tree_cst_low.
4956 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4957 (add_bit_size_attribute): Use tree_low_cst.
4958 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4959 * dwarfout.c: Similar changes to dwarf2out.c.
4960 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4961 * genoutput.c (n_occurences): Return -1 for null string.
4962 (strip_whitespace): Accept null string and make into function.
4963 (scan_operands): Reflect above changes.
4964 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4965 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4966 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4967 * tree.c (int_size_in_bytes): Check for too big to represent.
4968 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4969 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4971 (min_precision): Delete from here.
4972 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4973 and int_bit_position.
4974 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4975 (encode_method_def): Likewise.
4976 (build_ivar_list_initializer): Use int_bit_position.
4977 (generate_shared_structures): Convert size.
4978 (encode_type, encode_complete_bitfield): Use integer_zerop.
4979 (encode_bitfield): Use tree_low_cst and int_bit_position.
4981 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4983 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4985 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4987 * call.c (special_function_p): It is only malloc if it returns
4990 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4992 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4993 (C33_FLAG, TARGET_C3X): Add macros.
4994 (TARGET_SWITCHES): Add -m33 option.
4995 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4997 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4999 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5000 (PARALLEL_PACK_FLAG): Delete.
5001 (TARGET_SWITCHES): Update.
5002 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5004 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5006 * fold-const.c (fold): Fix a few cases when the returned result
5007 is not of the same type as the input.
5009 2000-03-16 Nick Clifton <nickc@cygnus.com>
5011 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5014 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5016 * libgcc2.h: Move prototypes above macros with the same name.
5017 Wrap some function prototypes in the conditional which indicates
5018 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5020 2000-03-16 Richard Henderson <rth@cygnus.com>
5022 * calls.c: Revert last two changes.
5024 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5026 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5027 has exponent 0 is a zero.
5029 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5030 HASH may already be nonzero. Add code/mode into hash value
5031 immediately after repeat label.
5032 (cselib_lookup): Don't leave the hash table in an inconsistent
5033 state before a hash lookup operation.
5035 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5037 * i386.md (all HI and QI mode non-move patterns): Conditionize
5038 by TARGET_[HQ]IMODE_MATH.
5039 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5040 x86_promote_qi_regs): Declare.
5041 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5042 TARGET_PROMOTE_QI_REGS): New macros.
5043 (PROMOTE_MODE): New macro.
5044 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5045 x86_promote_qi_regs): New global variables.
5047 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5049 * calls.c (emit_library_call_value_1): Break out from ...; handle
5050 VOIDmode function calls too.
5051 (emit_library_call_value): ... here.
5052 (emit_library_call): Implement by calling emit_library_call_value_1.
5054 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5056 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5057 Update arg_space_so_far on stack adjustments.
5058 (emit_library_call, emit_library_call_value): Likewise; take into
5059 account arg_space_so_far and pending_stack_adjust when calculcating
5062 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5064 * flow.c: Move all basic block reordering code into its own file.
5065 (create_basic_block): Externalize.
5066 * bb-reorder.c: New file. Copy all basic block reordering code from
5067 flow.c to this file.
5068 (reorder_basic_blocks): Fix fencepost error in for-loop.
5069 (reorder_basic_blocks): Remove braces from single statement for-loops.
5070 * basic-block.h: Add declaration for create_basic_block.
5071 * Makefile.in: Add rules for bb-reorder.o.
5073 2000-03-16 Neil Booth <NeilB@earthling.net>
5075 * cppinit.c (handle_option): Implement #unassert directive
5076 as -A- command line option.
5077 (print_help): Update.
5078 * cpptexi.c: Update.
5080 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5082 * md.texi (Standard Names): Document `jump'.
5084 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5086 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5089 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5091 Merge changes from newppc-branch onto trunk.
5093 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5095 * rs6000.c (toc_hash_table): Update for new hash table functions.
5096 (toc_hash_function): Likewise.
5097 (toc_hash_eq): Likewise.
5098 (toc_hash_mark_entry): Likewise.
5099 (toc_hash_mark_table): Likewise.
5100 (output_toc): Likewise.
5101 (rs6000_add_gc_roots): Likewise.
5103 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5105 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5106 (AR_FLAGS_FOR_TARGET): here. New macro.
5108 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5110 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5111 fpmem_operand) Delete.
5113 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5114 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5115 (rs6000_save_machine_status, rs6000_restore_machine_status,
5116 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5117 references to above variables.
5118 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5119 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5120 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5121 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5122 (XER_REGNO_P, XER_REGNO): New.
5123 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5124 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5125 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5127 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5128 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5129 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5131 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5133 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5134 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5135 * rs6000.h: from here.
5137 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5138 (rs6000_select_rtx_section): Likewise.
5139 (rs6000_encode_section_info): Likewise.
5140 (sdata_section): Likewise.
5141 (sdata2_section): Likewise.
5142 (sbss_section): Likewise.
5143 * sysv4.h (rs6000_select_section): Delete prototype.
5144 (rs6000_select_rtx_section): Likewise.
5145 (rs6000_encode_section_info): Likewise.
5146 (sdata_section): Likewise.
5147 (sdata2_section): Likewise.
5148 (sbss_section): Likewise.
5149 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5151 * sysv4.h: Delete various unnecessary #undef's and put a comment
5152 on the remaining ones.
5153 Change various comments according to coding standard.
5155 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5157 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5158 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5159 (CR0_REGNO_P) Remove.
5160 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5161 setup_incoming_varargs, mtcrf_operation, print_operand,
5162 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5163 Use the above macros.
5165 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5167 * config/rs6000/rs6000.md: Added a new alternative for each
5168 pattern that had a 'x' alternative but no 'y' alternative.
5169 Added a new split for each of the above patterns.
5171 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5173 * aix41.h (ASM_CPU_SPEC): Delete.
5174 (CPP_CPU_SPEC): Delete.
5176 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5177 (ASM_OUTPUT_LABEL): Define.
5178 (ASM_GLOBALIZE_LABEL): Define.
5179 (STRIP_NAME_ENCODING): Define.
5180 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5181 (STRIP_NAME_ENCODING): Don't define.
5182 (ASM_OUTPUT_LABEL): Don't define.
5183 (ASM_GLOBALIZE_LABEL): Don't define.
5184 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5185 names, and ASM_OUTPUT_LABEL to output labels, rather than
5187 (ASM_OUTPUT_LABEL): Define.
5188 (ASM_OUTPUT_INT): Use assemble_name.
5189 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5190 (STRIP_NAME_ENCODING): Don't undefine first.
5191 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5193 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5194 specified with 'asm' even with -fleading-underscore.
5195 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5196 (output_epilog): Likewise.
5197 (output_toc): Likewise.
5198 * tramp.asm: Handle -fleading-underscore correctly.
5200 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5202 (nonlocal_goto_receiver): Delete.
5203 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5205 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5206 (SET_ASM_OP): Define.
5207 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5209 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5212 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5213 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5215 * rs6000.h: Add 'u' to more constants.
5217 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5219 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5221 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5223 * rs6000.c (reg_or_u_cint_operand): New function.
5224 (logical_operand): Handle 64-bit hosts.
5225 (logical_u_operand): New function.
5226 (non_logical_cint_operand): Handle 64-bit hosts.
5227 (non_logical_u_cint_operand): New function.
5228 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5229 (PREDICATE_CODES): Define new functions.
5230 * rs6000-protos.h: Declare new functions.
5231 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5232 (movdi_64): Bracket code intended for 64-bit hosts. Create
5233 CONST_DOUBLE for 32-bit values.
5234 (scc insns): Generate DImode compares.
5235 (mfcr insns): Create DImode versions.
5236 (sge matchers): New patterns.
5238 2000-02-15 Gabriel Paubert <paubert@iram.es>
5240 * rs6000.md: Correct instructions length attributes and
5241 constraints on unsigned compare instructions.
5242 (*ne0): Disable for PowerPC64.
5244 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5246 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5247 quantity, fix profile1.C test failure under -fPIC.
5249 * rs6000.c: Add 'u' to many constants to suppress warnings.
5250 (constant_pool_expr_1): Make static.
5251 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5252 * rs6000.h: Add 'u' to many constants to suppress warnings.
5254 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5255 for the start of the TOC, instead of LCTOC..0.
5256 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5258 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5259 (load_toc_aix_di): Use LCTOC..1.
5261 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5262 * rs6000.c (rs6000_legitimize_address): New function from
5263 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5264 symbols in the constant pool that really are TOC references.
5265 (print_operand_address): For ELF, write TOC offsets under
5266 -fPIC as subtractions in the insn.
5267 (output_toc): For ELF, define symbols in TOC as normal labels,
5269 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5270 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5271 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5272 * rs6000.md (movsi): Only use create_TOC_reference on
5273 symbols in the constant pool that really are TOC references.
5275 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5276 * rs6000.c (rs6000_reorg): Delete.
5277 * rs6000-protos.h (rs6000_reorg): Delete.
5279 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5281 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5283 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5284 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5285 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5286 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5287 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5288 rs6000_aix_emit_builtin_unwind_init.
5289 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5290 rs6000_emit_eh_toc_restore on AIX.
5291 (return_eh_si): Use r2.
5292 (return_eh_di): Use r2.
5294 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5295 since we're breaking binary compatibility anyway.
5297 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5299 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5300 constant_pool_expr_p): Declare them.
5301 (constant_pool_expr_p): Declare it.
5302 * config/rs6000/rs6000.c (toc_label_name): Define.
5303 (rs6000_override_options): Set toc_label_name.
5304 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5305 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5306 uses_TOC): New functions.
5307 (print_operand): Delete old '*' case.
5308 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5309 and strip off rtl for TOC before calling output_addr_const.
5310 (rs6000_emit_load_toc_table): Use toc_label_name.
5311 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5313 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5314 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5315 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5316 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5317 into explicit TOC_REGISTER offsets.
5318 (TOC_REGISTER): New macro.
5319 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5320 TARGET_TOC to reference TOC_REGISTER.
5321 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5322 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5323 uses_TOC before emitting label references.
5325 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5327 * rs6000.md (stack_tie): Fix warning.
5329 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5330 to handle -fleading-underscore.
5331 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5332 (USER_LABEL_PREFIX): New macro.
5333 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5334 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5335 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5336 call-linux can use the same multilibs.
5337 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5338 and call-linux multilibs. Do multilib with -fleading-underscore.
5339 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5340 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5343 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5344 have MASK_SOFT_FLOAT set.
5345 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5346 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5347 CPP_FLOAT_DEFAULT_SPEC.
5349 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5350 * rs6000.md: Whitespace change.
5351 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5352 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5354 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5356 * rs6000.md (eh_epilogue): New expander.
5357 (eh_reg_restore): New expand/split/insn combination.
5358 (return_eh_si): New insn.
5359 (return_eh_di): New insn.
5361 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5362 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5363 * eabi-ctors.c (__do_global_ctors): Register this object's
5364 frame. Clean up. Call atexit() after the constructors.
5365 (__do_global_dtors): Deregister this object's frame. Clean up.
5366 Allow for recursive calls to exit().
5367 * rs6000.c (fixuplabelno): New variable.
5368 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5369 TARGET_RELOCATABLE, it slows down exec() under linux.
5370 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5372 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5373 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5374 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5375 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5376 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5377 (ASM_OUTPUT_DWARF_ADDR): New macro.
5378 (ASM_OUTPUT_DWARF_DATA4): New macro.
5379 (ASM_OUTPUT_DWARF_DATA2): New macro.
5380 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5381 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5382 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5384 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5386 * rs6000.c (rs6000_sr_alias_set): New variable.
5387 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5388 (rs6000_emit_stack_tie): New function.
5389 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5390 in a way that dwarf2out can understand.
5391 (rs6000_frame_related): New function.
5392 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5393 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5394 Use rs6000_emit_stack_tie when needed.
5395 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5396 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5397 * rs6000.md (stack_tie): New insn.
5398 (return_internal_si): Allow return value to be in the count
5400 (return_internal_di): Likewise.
5402 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5404 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5406 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5408 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5410 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5412 * rs6000.md (stmw): Use the right POWER opcode.
5415 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5417 * rs6000-protos.h: New file.
5419 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5421 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5424 * sysv4.h: Likewise.
5426 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5428 * ../../configure.in: Delete powerpcle-*-winnt*
5429 and powerpcle-*-pe|powerpcle-*-cygwin*.
5430 * ../../configure: Regenerated.
5432 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5433 (TARGET_WINDOWS_NT): Delete.
5435 (CALL_NT_DLLIMPORT): Delete.
5436 Delete NT-specific code.
5437 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5440 * nt-ci.asm: Delete.
5441 * nt-cn.asm: Delete.
5442 * ntstack.asm: Delete.
5444 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5446 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5447 (ASM_FILE_START): Likewise.
5448 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5449 (ASM_OUTPUT_LABELREF): Likewise.
5450 (ASM_OUTPUT_SKIP): Likewise.
5451 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5452 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5453 (ASM_OUTPUT_CASE_LABEL): Likewise.
5454 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5455 (ASM_OUTPUT_ASCII): Likewise.
5457 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5459 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5460 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5461 increment rs6000_pic_labelno here.
5462 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5463 and increment rs6000_pic_labelno here.
5465 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5467 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5468 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5469 allocation knows (reg) is dead before the insn.
5471 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5473 * rs6000.md (movsi_to_cr): Correct typo in output template.
5475 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5477 * rs6000.c (rs6000_pic_labelno): Always define.
5478 (rs6000_pic_func_labelno): Delete.
5479 (lmw_operation): Check for a zero base register,
5480 which doesn't mean what we want.
5481 (stmw_operation): New function.
5482 (print_operand): Define new 'l' modifier.
5483 (rs6000_stack_info): We must save all 64 bits of the registers
5484 if TARGET_POWERPC64.
5485 (rs6000_output_load_toc_table): Delete.
5486 (rs6000_emit_load_toc_table): New function.
5487 (rs6000_allocate_stack_space): Delete.
5488 (rs6000_emit_allocate_stack): New function.
5489 (rs6000_emit_prologue): New function.
5490 (output_prolog): Use rs6000_emit_prologue.
5491 (rs6000_emit_epilogue): Change a few variable names to be
5492 more accurate. Restore all 64 bits of the registers if
5493 TARGET_POWERPC64. Only restore the FP registers which were used
5494 if they are being saved/restored one-at-a-time.
5495 (output_mi_thunk): Delete inefficient code generation.
5496 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5497 * rs6000.h: Declare rs6000_emit_load_toc_table,
5498 rs6000_allocate_stack_space, stmw_operation. Don't declare
5499 rs6000_output_load_toc_table.
5500 * rs6000.md (elf_high): Allow register 0, but discourage it
5502 (elf_low): Support loading into register 0.
5503 (load_toc_aix_si): New pattern.
5504 (load_toc_aix_di): New pattern.
5505 (load_toc_v4_pic_si): New pattern.
5506 (load_toc_v4_pic_di): New pattern.
5507 (load_toc_v4_PIC_1): New pattern.
5508 (load_toc_v4_PIC_1b): New pattern.
5509 (load_toc_v4_PIC_2): New pattern.
5510 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5511 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5512 (prologue): New expander.
5513 (movesi_from_cr): New pattern.
5514 (stmw): New pattern.
5515 (save_fpregs_si): New pattern.
5516 (save_fpregs_di): New pattern.
5518 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5520 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5525 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5527 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5529 (movsi_got_internal): Likewise.
5530 (movsi_got_internal+1): Likewise.
5531 (set_sp): 'unspec 7' does a SImode clobber.
5533 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5535 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5536 allocate a stack temporary.
5537 (floatsidf2_internal): Likewise.
5538 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5540 (floatunssidf2): Don't use the fpmem "register", just
5541 allocate a stack temporary.
5542 (floatunssidf2_internal): Likewise.
5543 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5545 (floatsidf2_loadaddr): Delete.
5546 (floatsidf2_store1): Delete.
5547 (floatsidf2_store2): Delete.
5548 (floatsidf2_load): Delete.
5549 (fix_truncdfsi2): Don't use the fpmem "register", just
5550 allocate a stack temporary.
5551 (fix_truncdfsi2_internal_si): Delete.
5552 (fix_truncdfsi2_internal_di): Delete.
5553 (fix_truncdfsi2_internal): New insn.
5554 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5555 (fix_truncdfsi2_store): Delete.
5556 (fix_truncdfsi2_load): Delete.
5557 (fctiwz): Produce gen_fctiwz.
5559 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5561 * eabi.h (INVOKE__main): Define.
5562 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5564 (rs6000_emit_prologue): Likewise.
5565 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5566 this is the main program.
5568 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5570 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5572 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5574 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5575 goes after the argument.
5577 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5579 * rs6000.md: Document 'unspec' values used.
5580 (epilogue): New expander.
5581 (movesi_to_cr_one): New expander.
5582 (movesi_to_cr and following): New pattern.
5584 (return_internal_si): New pattern.
5585 (return_internal_di): New pattern.
5586 (return_and_restore_fpregs_si): New pattern.
5587 (return_and_restore_fpregs_di): New pattern.
5588 * rs6000.h: Declare new functions.
5589 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5590 rather than rs6000_calls_p.
5591 (rs6000_makes_calls): Delete.
5592 (lmw_operation): New function.
5593 (mtcrf_operation): New function.
5594 (rs6000_emit_epilogue): New function.
5595 (output_epilog): Call rs6000_emit_epilogue and final if
5596 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5598 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5600 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5601 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5602 * aix.h (SUBTARGET_SWITCHES): Document switches.
5603 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5604 sched-prolog and sched-epilog the same. Document all the
5606 (TARGET_OPTIONS): No longer allow -mdebug-.
5608 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5610 * rs6000.h (ASM_FILE_END): Move to aix.h.
5611 (EXTRA_SECTIONS): Move to aix.h.
5612 (READONLY_DATA_SECTION): Move to aix.h.
5613 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5614 (SELECT_SECTION): Move to aix.h.
5615 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5616 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5617 (LINK_REGISTER_REGNUM): New definition.
5618 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5619 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5621 * sysv4.h: Delete the code between the inclusion of rs6000.h
5623 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5624 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5625 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5626 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5627 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5628 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5629 (fix_truncdfsi2_internal_di): New pattern.
5630 (fix_truncdfsi2_store): The second arg here is Pmode too.
5631 (fix_truncdfsi2_load): The second arg here is Pmode too.
5632 (tablejumpdi): Now that switch tables hold only SImode values,
5633 gcc needs to know how to add them to the pc which is DImode.
5634 * rs6000.c (rs6000_stack_info): Use symbolic name for
5635 LINK_REGISTER_REGNUM.
5636 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5637 (output_toc): Delete unused variables s1 and s2.
5638 (output_ascii): Use fputs not fprintf on a variable string.
5640 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5642 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5643 * aix43.h: Revert Aug 2 change.
5644 (HAS_INIT_SECTION): Define, not visible yet.
5645 (LD_INIT_SWITCH): Define, not visible yet.
5646 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5648 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5650 * config/rs6000/rtems.h: Include config/rtems.h.
5652 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5654 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5655 (SLOW_UNALIGNED_ACCESS): Define.
5656 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5657 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5658 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5659 (toc_section): Likewise and .toc pseudo-op.
5660 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5662 (TEXT_SECTION_ASM_OP): Likewise.
5663 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5666 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5668 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5669 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5672 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5674 * rs6000.h: Move more stuff from here...
5676 * sysv4.h: Cleanup accordingly.
5677 * netware.h: Likewise
5679 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5681 * rs6000.h: Continue cleanup.
5684 * netware.h: Likewise.
5686 * sysv4.h: Likewise.
5687 * win-nt.h: Likewise.
5689 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5690 (TARGET_OPTIONS): Likewise.
5692 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5693 (SUBTARGET_OPTIONS): Likewise.
5695 * rs6000.md: Fix compile time warnings.
5697 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5699 vxworks patches from the Cygnus tree originally by
5700 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5701 <vmakarov@cygnus.com>.
5702 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5703 (ENDFILE_SPEC): Likewise.
5704 (LIB_VXWORKS_SPEC): New macro.
5705 (STARTFILE_VXWORKS_SPEC): New macro.
5706 (ENDFILE_VXWORKS_SPEC): New macro.
5707 (LINK_START_VXWORKS_SPEC): New macro.
5708 (LINK_OS_VXWORKS_SPEC): New macro.
5709 (CPP_OS_VXWORKS_SPEC): New macro.
5710 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5711 * vxppc.h: Rewrite to use proper configuration method.
5712 * vxppcle.h: New file.
5713 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5714 * ../../configure: Rebuilt.
5716 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5718 Lots of changes to rs6000.h, sysv4.h, aix.h,
5719 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5720 with the aim that rs6000.h is the first header
5721 included and the others override it.
5724 * x-aix41-gld: Remove.
5726 * x-aix41: Remove target-specific switches, and don't specify
5727 -Wl,-bbigtoc as we don't need it any more.
5728 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5729 Use t-aix43 for AIX 4.3 and above.
5730 * ../../configure: Regenerated.
5732 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5733 options, that don't do anything yet.
5734 (MASK_SCHED_PROLOG): New macro.
5735 (MASK_SCHED_EPILOG): New macro.
5736 (TARGET_SCHED_PROLOG): New macro.
5737 (TARGET_SCHED_EPILOG): New macro.
5739 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5741 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5742 one per translation unit, not one per function.
5743 (output_toc): Also do duplicate constant elimination
5744 for per-translation-unit TOCs.
5746 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5747 a comment explaining _exactly_ when this pattern gets used.
5748 (builtin_setjmp_receiver): New pattern for better clarity.
5749 (init_v4_pic): Move it into a section dealing with TOC registers.
5751 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5753 * rs6000.c (toc_hash_table): New variable.
5754 (rs6000_hash_constant): New function.
5755 (toc_hash_function): New function.
5756 (toc_hash_eq): New function.
5757 (toc_hash_mark_entry): New function.
5758 (toc_hash_mark_table): New function.
5759 (output_toc): Don't output duplicate TOC entries in
5761 (rs6000_add_gc_roots): Add the hash table as a GC root.
5762 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5763 where they clearly shouldn't be. This may need to be fixed
5764 later when there is a GNU ar for AIX.
5765 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5766 Don't define BOOT_LDFLAGS as it is now not necessary.
5768 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5770 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5771 for va_list on AIX. Use unsigned_char_type_node rather than
5772 constructing our own version on svr4.
5774 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5776 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5777 since patently it's not.
5779 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5781 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5782 define_expand/define_insn pair, and handle restore of the
5783 SVR4 -fpic register.
5785 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5787 * acconfig.h (HAVE_GAS_WEAK): New define.
5788 * configure.in (assembler weak support): Check for .weak support.
5789 * config.in, configure: Rebuilt.
5790 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5791 HAVE_GAS_WEAK is defined.
5793 2000-03-15 Nick Clifton <nickc@cygnus.com>
5795 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5798 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5800 * cppfiles.c (open_include_file): New function.
5801 (find_include_file, cpp_read_file): Use it.
5803 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5805 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5807 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5809 * flow.c (verify_flow_info): Check for unconditional return.
5811 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5813 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5814 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5815 (__ia64_restore_stack_nonlocal): New.
5816 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5818 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5820 * cpphash.c (collect_formal_parameters): Do not complain about
5821 parameter names that just start with `__VA_ARGS__'.
5823 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5825 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5826 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5827 * i386.c (pentiumpro_cost): Set mul cost to 4.
5828 (x86_use_movx): Set for PPro.
5830 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5832 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5833 STACK_BOUNDARY for empty frames now.
5835 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5837 * stor-layout.c (layout_union): Remove.
5838 (layout_union_field): New function, split out from layout_union.
5839 (finish_union_layout): Likewise.
5840 (layout_field): Handle unions by calling layout_union_field.
5841 (finish_record_layout): Handle unions.
5842 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5843 QUAL_UNION_TYPE handling.
5845 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5847 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5848 end of basic block is jump_insn, not barrier; use create_basic_block
5849 instead of creating basic block by hand.
5851 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5853 * flow.c (reorder_basic_blocks): Account for barriers when writing
5854 over NEXT_INSN (last_bb->end).
5855 (verify_flow_info): Add check for missing barriers.
5857 2000-03-14 Greg McGary <gkm@gnu.org>
5859 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5860 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5861 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5862 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5863 __unbounded, __unbounded__): New keywords.
5864 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5865 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5866 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5868 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5870 * cselib.h: New file.
5871 * alias.c: Include "cselib.h".
5872 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5873 MEMs as two new arguments.
5874 (get_addr): New static function.
5875 (find_base_term): Handle VALUEs.
5876 (memrefs_conflict_p): Likewise.
5877 (true_dependence): Call get_addr on the addresses.
5878 Call fixed_scalar_and_varying_struct_p with addresses that have been
5879 passed through get_addr and canon_rtx.
5880 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5881 with true_dependence.
5882 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5883 * loop.c: Include "cselib.h".
5884 (load_mems): Process extended basic block that enters the loop with
5885 cselib. Use that information to change initialization of the shadow
5886 register so that a constant equivalence is seen by later passes.
5887 * reload1.c: Include "cselib.h".
5888 (reload_cse_invalidate_regno): Delete function.
5889 (reload_cse_mem_conflict_p): Likewise.
5890 (reload_cse_invalidate_mem): Likewise.
5891 (reload_cse_invalidate_rtx): Likewise.
5892 (reload_cse_regno_equal_p): Likewise.
5893 (reload_cse_check_clobber): Likewise.
5894 (reload_cse_record_set): Likewise.
5895 (reg_values): Delete static variable.
5896 (invalidate_regno_rtx): Likewise.
5897 (reload_cse_delete_noop_set): New static function.
5898 (reload_cse_simplify): New static function, broken out of
5900 (reload_cse_noop_set_p): Delete unused argument INSN.
5901 Just call rtx_equal_for_cselib_p on set source and destination.
5902 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5903 reload_cse_delete_noop_set. Delete code to keep track of values; use
5904 cselib functions instead. Delete code to push/pop obstacks.
5905 (reload_cse_simplify_set): Use cselib to find equivalent values.
5906 Delete code to push/pop obstacks.
5907 (reload_cse_simplify_operands): Likewise.
5908 * rtl.def (VALUE): New rtx code.
5909 * rtl.h (union rtunion_def): New elt rt_cselib.
5910 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5911 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5912 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5913 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5914 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5915 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5916 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5917 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5918 cselib_record_set, cselib_record_sets): New static functions.
5919 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5920 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5921 references_value_p): New functions.
5922 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5923 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5924 n_useless_values, reg_values, callmem, cselib_obstack,
5925 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5926 New static variables.
5927 * varray.h (union varray_data_tag): New elt te.
5928 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5929 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5932 2000-03-14 Nick Clifton <nickc@cygnus.com>
5934 * gcc.c (do_spec_1): Catch the case where %* is used in a
5935 substitution pattern, but it has not been initialised.
5936 Issue a meaningful error message if an unrecognised operator
5937 is encountered in a spec string.
5939 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5941 * function.c (prepare_function_start): Correctly initialize
5942 cfun->stack_alignment_needed.
5944 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5946 * cppfiles.c (find_include_file): Don't assume nshort is a
5949 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5951 * configure.in (hppa configurations): Add pa32-regs.h to the
5952 list of tm files as appropriate.
5953 * configure: Rebuilt.
5954 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5956 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5957 (fmpyaddoperands, fmpysuboperands): Likewise.
5958 * pa.h: Remove various definitions which depend on knowing
5959 how registers are numbered.
5960 * pa32-regs.h: New file with PA32 register numbering specific
5963 2000-03-14 Richard Henderson <rth@cygnus.com>
5965 * regmove.c (combine_stack_adjustments): New.
5966 (stack_memref_p, single_set_for_csa): New.
5967 (free_csa_memlist, record_one_stack_memref): New.
5968 (try_apply_stack_adjustment): New.
5969 (combine_stack_adjustments_for_block): New.
5970 * rtl.h (combine_stack_adjustments): Declare.
5971 * toplev.c (rest_of_compilation): Call it.
5973 * i386.md: Revert 2000-01-16 change.
5975 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5977 * gccbug.in: Add web category, gcc specific classes.
5979 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5981 * stor-layout.c (finalize_record_size): Fix typo.
5983 2000-03-14 Stan Shebs <shebs@apple.com>
5985 * c-typeck.c (c_alignof): Error on incomplete types.
5986 * extend.texi (Alignment): Document this.
5988 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5990 * cppfiles.c: Include mkdeps.h.
5991 (find_include_file, read_include_file): Remove _cpp_ prefix
5992 from name, make static.
5993 (_cpp_execute_include): New function, broken out of
5996 * cpplib.c: Don't include mkdeps.h.
5997 (struct directive): Remove type field. Reorder entries. The
5998 function takes only one argument.
5999 (struct if_stack): Make type field an int.
6000 (directive_table): Rename to dtable. Generate it, the
6001 prototypes of the directive handlers, and the enum for the
6002 directive numbers, from a template macro.
6003 (do_ifndef, do_include_next, do_import): New functions.
6004 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6005 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6006 do_ident, do_assert, do_unassert, do_sccs): Take only one
6008 (do_sccs): Define always, but alter behavior based on
6010 (_cpp_handle_directive, consider_directive_while_skipping):
6011 Restructure for new directive table layout.
6013 (pass_thru_directive): Take a directive number, not a pointer
6014 to a struct directive.
6015 (parse_include): New function, broken out of do_include.
6016 (do_include, do_import, do_include_next): Use parse_include
6017 and _cpp_execute_include.
6018 (do_elif, do_else): Test for T_ELSE specifically when checking
6019 for #elif/#else after #else.
6020 (parse_ifdef): New function, broken out of do_ifdef.
6021 (validate_else): Expect a name arg without a leading #.
6022 (if_directive_name): Delete.
6023 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6024 directive handlers with only one argument.
6026 * cpphash.h: Update prototypes.
6027 (enum node_type): Remove entries for directives.
6028 * Makefile.in: Update dependencies.
6030 * cpphash.c (dump_hash_helper): Only dump nodes of type
6031 T_MACRO. Emit a newline after each definition.
6033 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6035 * gccbug.in: New file.
6036 * configure.in (all_outputs): Add gccbug.
6037 * Makefile.in (install-common): Install gccbug.
6038 (GCCBUG_INSTALL_NAME): New variable.
6039 * configure: Rebuilt.
6041 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6043 * function.c (put_var_into_stack): Use type_for_mode to calculate
6044 part_type. Use MEM_SET_IN_STRUCT_P.
6045 * expr.c (store_field): Handle CONCAT.
6046 (store_constructor): Use fields_length.
6047 * tree.c (fields_length): New fn.
6048 * tree.h: Declare it.
6050 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6052 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6053 (cpplex.o): New target.
6054 * po/POTFILES.in: Add cpplex.c.
6056 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6057 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6058 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6059 skip_block_comment, skip_line_comment, skip_comment,
6060 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6061 _cpp_parse_name, skip_string, parse_string,
6062 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6063 _cpp_get_directive_token, find_position,
6064 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6065 (maybe_macroexpand, _cpp_lex_token): New functions.
6067 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6068 parse_goto_mark): Delete.
6069 (_cpp_handle_eof): New function.
6070 (_cpp_handle_directive): Rename from handle_directive.
6071 (_cpp_output_line_command): Rename from output_line_command.
6072 (do_if, do_elif): Call _cpp_parse_expr directly.
6073 * cppfiles.c (_cpp_read_include_file): Don't call
6074 init_input_buffer here.
6075 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6076 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6077 here; pop the token_buffer and skip the rest of the line here.
6078 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6081 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6083 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6084 CPP_GOTO_MARK): New macros.
6085 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6086 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6087 _cpp_read_and_prescan, _cpp_init_input_buffer,
6088 _cpp_grow_token_buffer, _cpp_get_directive_token,
6089 _cpp_handle_directive, _cpp_handle_eof,
6090 _cpp_output_line_command): Prototype them here.
6091 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6092 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6093 quote_string, output_line_command): Remove.
6095 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6097 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6098 whether it is too large we must also verify that it isn't negative.
6100 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6102 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6103 (movsi_zero_liveg0): Remove.
6104 (movsf_insn_novis_liveg0): Remove.
6106 (negsi2_not_liveg0): Rename to negsi2.
6107 (one_cmplsi2): Remove.
6108 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6109 (one_cmplsi2_liveg0): Remove.
6110 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6111 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6112 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6113 (PREDICATE_CODES): Remove zero_operand.
6114 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6115 TARGET_BROKEN_SAVERESTORE.
6116 (zero_operand): Remove.
6117 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6118 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6120 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6121 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6122 TARGET_BROKEN_SAVERESTORE): Remove.
6123 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6125 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6127 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6130 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6132 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6134 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6135 truncating a string. Don't assume tokens are nul terminated.
6136 Problem noted by Andreas Jaeger <aj@suse.de>
6138 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6140 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6141 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6142 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6144 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6146 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6147 STRUCTURE_SIZE_BOUNDARY.
6149 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6151 * tree.h (record_layout_info_s): New structure.
6152 (record_layout_info): New type.
6153 (new_record_layout_info): New function.
6154 (layout_field): Likewise.
6155 (finish_record_layout): Likewise.
6156 * stor-layout.c (layout_record): Remove.
6157 (new_record_layout_info): New function.
6158 (layout_field): New function, broken out from layout_record.
6159 (finalize_record_size): Likewise.
6160 (compute_record_mode): Likewise.
6161 (finalize_type_size): New function, broken out from layout_type.
6162 (finish_record_layout): Likewise.
6163 (layout_type): Use them.
6165 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6167 * cpphash.c: Don't include version.h.
6168 (special_symbol) [case T_VERSION]: Look for the string in
6169 hp->value.cpval; don't use version_string.
6170 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6171 __VERSION__ to version_string.
6172 * Makefile.in (cpphash.o): Update deps.
6174 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6176 Convert cpplib to use libiberty/hashtab.c.
6178 * cpplib.h (struct cpp_reader): Make hashtab and
6179 all_include_files of type 'struct htab *'. Delete HASHSIZE
6180 and ALL_INCLUDE_HASHSIZE macros.
6182 * cpphash.h: Update prototypes.
6183 (struct hashnode): Remove next, prev, and bucket_hdr members.
6184 Make length a size_t. Add hash member.
6185 (struct ihash): Remove next member. Add hash member. Make
6186 name a flexible array member.
6188 * cppfiles.c: Include hashtab.h.
6189 (include_hash): Delete.
6190 (IHASHSIZE): New macro.
6191 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6192 (cpp_included): Do the hash lookup here.
6193 (_cpp_find_include_file): Rewrite.
6194 (cpp_read_file): Put the "fake" hash entry into the hash
6195 table. Honor the control_macro, if it turns out we've seen
6196 the file before. Don't push the buffer here.
6197 (_cpp_read_include_file): Push the buffer here.
6198 (OMODES): New macro. Use it whenever we call open(2).
6200 * cpphash.c: Include hashtab.h.
6201 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6202 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6203 _cpp_lookup_slot): New functions.
6204 (HASHSIZE): new macro.
6205 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6206 (_cpp_lookup): Use hashtab.h routines.
6208 * cppinit.c: Include hashtab.h.
6209 (cpp_reader_init): Call _cpp_init_macro_hash and
6210 _cpp_init_include_hash. Don't allocate hashtab directly.
6211 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6212 pfile->all_include_files.
6213 (initialize_builtins): Use _cpp_make_hashnode and
6214 htab_find_slot to add hash entries.
6215 (cpp_finish): Just call _cpp_dump_macro_hash.
6216 * cpplib.c: Include hashtab.h.
6217 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6218 create hash entries.
6219 (do_pragma_poison, do_assert): Likewise.
6220 (do_include): Don't push the buffer here. Don't increment
6221 system_include_depth unless _cpp_read_include_file succeeds.
6222 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6224 (do_pragma_implementation): Use alloca to create copy.
6226 * Makefile.in: Update dependencies.
6228 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6230 * cppinit.c (cl_directive_handler): More K&R fixing.
6232 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6234 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6236 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6238 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6240 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6241 Change from char[] to macros.
6243 2000-03-12 Neil Booth <NeilB@earthling.net>
6245 * cppinit.c (cpp_start_read): Update indirect function
6248 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6250 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6253 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6254 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6256 2000-03-11 Neil Booth <NeilB@earthling.net>
6258 * cppinit.c (struct pending option): Replace undef with a
6259 pointer to a directive handling routine.
6260 (struct cpp_pending): Replace separate assert_ and define_
6261 lists with one directive_ list.
6262 (new_pending_define): Rename new_pending_directive. Extra
6263 argument is the directive's handling routine.
6264 (handle_option): Update to use new_pending_directive.
6266 2000-03-11 Neil Booth <NeilB@earthling.net>
6268 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6269 remap_filename, _cpp_read_include_file, actual_directory,
6270 hack_vms_include_specification): Replace bcopy(), index() etc
6271 calls. Add casts to some allocations. Make some variables
6272 pointers to const [unsigned] char.
6273 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6274 collect_formal_parameters): Similarly.
6275 * cppinit.c (struct pending_option, append_include_chain,
6276 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6277 cpp_start_read, new_pending_define, handle_option): Similarly.
6278 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6279 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6280 do_pragma_implementation, detect_if_not_defined,
6281 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6282 do_assert, do_unassert): Similarly.
6283 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6284 function prototypes.
6285 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6287 2000-03-10 Richard Henderson <rth@cygnus.com>
6289 * builtins.c (expand_builtin_strlen): Revert last change.
6290 Use emit_insn_before if we're at the beginning of a sequence.
6292 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6294 * builtins.c (expand_builtin_strlen): Make sure that we have something
6295 at the beginning of the sequence.
6297 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6300 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6302 2000-03-10 Richard Henderson <rth@cygnus.com>
6304 * except.c (can_throw): Use INTVAL on a CONST_INT.
6305 (reachable_handlers): Likewise.
6306 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6308 2000-03-10 Andreas Jaeger <aj@suse.de>
6310 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6311 MD_STARTFILE_PREFIX since those are not needed on linux.
6312 (ASM_FILE_START): New, from mips/gnu.h.
6314 2000-03-09 Richard Henderson <rth@cygnus.com>
6315 Alex Samuel <samuel@codesourcery.com> and others
6317 * Makefile.in (ssa.o): New rule.
6319 (STAGESTUFF): Add *.ssa and *.ussa.
6320 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6321 * rtl.def (PHI): New RTL expression.
6322 * rtl.h (clear_log_links): New declaration.
6323 (convert_to_ssa): Likewise.
6324 (convert_from_ssa): Likewise.
6325 * flow.c (split_edge): If the entry node falls through to the
6326 split edge's source block, split the entry edge.
6327 (clear_log_links): New function.
6328 * toplev.c (ssa_dump): New variable.
6329 (flag_ssa): Likewise.
6330 (f_options): Add "ssa".
6331 (compile_file): Create SSA dump files.
6332 (rest_of_compilation): Go to and from SSA if enabled.
6333 (decide_d_option): Handle -de for SSA dump files.
6336 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6338 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6341 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6343 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6345 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6347 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6348 (MD_STARTFILE_PREFIX_1): New macro.
6350 2000-03-09 Robert Lipe <robertl@sco.com>
6352 * config/ia64/ia64.c: Include system.h.
6354 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6356 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6357 (init_eh_nesting_info): Likewise.
6359 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6360 (TREE_NOTHROW): Rename from TREE_RAISES.
6361 * toplev.c (rest_of_compilation): Set it.
6362 * print-tree.c (print_node): Adjust.
6363 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6364 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6365 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6366 REG_EH_REGION note as appropriate.
6367 (libfunc_nothrow): New fn.
6368 (emit_library_call, emit_library_call_value): Use it.
6369 (expand_call): Check TREE_NOTHROW.
6371 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6372 DECL_ASSEMBLER_NAME.
6374 2000-03-09 Andreas Jaeger <aj@suse.de>
6376 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6377 (TARGET_MEM_FUNCTIONS): Define.
6379 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6381 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6383 * except.c (can_throw): See through a SEQUENCE.
6384 (nothrow_function_p): New fn.
6385 * except.h: Declare it.
6386 * function.c (current_function_nothrow): New var.
6387 (prepare_function_start): Initialize it.
6388 * output.h: Declare it.
6389 * toplev.c (rest_of_compilation): Set it.
6390 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6392 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6394 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6395 match. (cpp_compare_defs): Count the nul separator when
6396 advancing over argument names.
6398 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6400 * recog.c (preprocess_constraints): Matching constraints affect
6401 same alternative/different operand, not same operand/different
6404 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6405 register and a constant specially.
6407 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6409 * libgcc2.h: New file.
6410 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6412 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6414 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6415 * configure: Regenerate.
6418 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6420 * Makefile.in (LIBCPP_DEPS): New macro.
6421 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6423 * cpperror.c: Include cpphash.h.
6424 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6426 (lex): Don't use CPP_WARN_UNDEF.
6427 (_cpp_parse_expr): Return an int, the truth value.
6428 * cppfiles.c: Include cpphash.h.
6429 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6430 * cppinit.c (include_defaults_array): Disentangle.
6431 (cpp_cleanup): Don't free the if stack here.
6432 (cpp_finish): Pop off all buffers, not just one.
6433 * cpplib.c (eval_if_expr): Return int.
6434 (do_xifdef): Rename do_ifdef.
6435 (handle_directive): Don't use CPP_PREPROCESSED.
6436 (cpp_get_token): Don't use CPP_C89.
6437 * fix-header.c: Don't use CPP_OPTIONS.
6439 * cpplib.h: Move U_CHAR, enum node_type, struct
6440 file_name_list, struct ihash, is_idchar, is_idstart,
6441 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6442 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6443 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6444 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6445 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6446 of _cpp_simplify_pathname, _cpp_find_include_file,
6447 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6448 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6450 Change all uses of U_CHAR to be unsigned char instead.
6451 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6453 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6455 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6456 (dwarf2out_begin_prologue): Set it.
6457 (output_call_frame_info): Don't emit EH unwind info for leaves.
6459 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6460 can occur outside of an EH region.
6461 * except.c: Correct comments about rethrow behavior.
6462 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6464 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6466 * flow.c (make_edges): Always call make_eh_edge for calls.
6468 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6470 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6471 (struct cpp_buffer): Remove fname and underflow fields.
6472 (struct cpp_reader): Remove get_token field.
6473 (struct include_hash): Rename to struct ihash. Add typedef to
6475 (struct if_stack): Remove fname field.
6476 (IF_STACK_FRAME): Rename to IF_STACK.
6478 * cpperror.c (print_containing_files): Trust that there are no
6479 macro buffers below the top file buffer.
6480 * cppfiles.c: Replace all references to 'struct include_hash'
6481 with 'IHASH'. Rename initialize_input_buffer to
6482 init_input_buffer. Don't set or reference cpp_buffer->fname,
6483 use buffer->ihash->name instead.
6484 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6485 not CPP_NULL_BUFFER.
6486 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6487 IF_STACK_FRAME, IHASH not struct include_hash.
6488 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6489 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6490 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6491 references to cpp_buffer->fname (delete entirely, or use
6492 ->ihash->name instead) and IF_STACK->fname.
6493 (cpp_push_buffer): Don't set new->underflow.
6494 (do_include): Use cpp_file_buffer.
6496 * cpphash.c (collect_formal_parameters): Remove duplicate
6497 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6498 used as a macro argument name. Don't append "..." to namebuf
6499 for varargs macros. After we're done scanning, go through
6500 namebuf and make it NUL separated, not comma separated.
6501 (_cpp_compare_defs): Remove register tag from variables.
6502 Expect defn->argnames to be NUL separated.
6503 (_cpp_dump_definition): Expect defn->argnames to be NUL
6504 separated and in forward order.
6505 * cpphash.h: Update documentation of argnames field.
6507 2000-03-08 Richard Henderson <rth@cygnus.com>
6509 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6510 to fail. Don't pre-expand the source operand.
6512 * i386.md (strlensi): Initialize eoschar and align before use.
6514 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6516 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6517 CONSTRUCTOR element.
6519 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6521 * mips.c (mips_expand_prologue): If the last
6522 named argument is the vararg marker "va_list", treat it as
6523 an unnamed argument.
6525 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6527 * dbxout.c (dbxout_parms): When correcting for promoted
6528 big-endian parameters, use the mode of the DECL_RTL rather
6529 than UNITS_PER_WORD.
6531 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6533 * c-common.h (make_fname_decl): Declare.
6534 * c-common.c (make_fname_decl): Define.
6535 (declare_hidden_char_array): Remove.
6536 (declare_function_name): Use make_fname_decl.
6537 * c-decl.c (c_make_fname_decl): New function.
6538 (init_decl_processing): Set make_fname_decl.
6540 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6542 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6544 2000-03-07 Philipp Thomas <pthomas@suse.de>
6546 * po/POTFILES.in: Remove cppalloc.c from file list.
6548 2000-03-07 Steve Chamberlain <sac@pobox.com>
6550 * pj.c (pj_expand_prologue): current_function->args_info is
6551 now current_function_args_info.
6553 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6554 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6555 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6557 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6559 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6560 output as hexadecimal rather than the default octal.
6562 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6564 * cpphash.c (special_symbol): Fix thinko in previous commit.
6566 2000-03-07 Neil Booth <NeilB@earthling.net>
6568 * cppexp.c (struct operation, left_shift, right_shift,
6569 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6570 "int"s to "unsigned int"s.
6571 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6573 * cpplib.h: Update for above.
6574 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6575 returned from allocations.
6577 * cppinit.c (opt_comp, parse_options): New functions.
6578 (handle_option): Use parse_option to parse a single command
6579 line option, that possibly takes an argument.
6580 (cpp_handle_options): Sort the array of command line options on
6581 first invocation (non-ASCII hosts only).
6582 (print_help): Update.
6584 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6586 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6587 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6589 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6591 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6593 * cpperror.c (cpp_print_containing_files,
6594 cpp_print_file_and_line, v_cpp_message): Rename to
6595 print_containing_files, print_file_and_line, and v_message.
6596 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6597 to _cpp_parse_expr, parse_escape, and lex.
6598 (parse_charconst): Remove broken multibyte support.
6599 * cppfiles.c (include_hash): Make static.
6600 (cpp_included): New function.
6601 (merge_include_chains, find_include_file, finclude,
6602 simplify_pathname): Rename to _cpp_merge_include_chains,
6603 _cpp_find_include_file, _cpp_read_include_file, and
6604 _cpp_simplify_pathname.
6605 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6606 cpp_install, create_definition, macroexpand, compare_defs,
6607 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6608 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6609 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6610 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6612 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6614 * cpphash.h: Update prototypes.
6615 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6617 2000-03-07 Andrew Haley <aph@cygnus.com>
6619 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6620 PTRDIFF_TYPE should be based solely on Pmode.
6623 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6625 * rtl.h (rtunion_def): Constify member `rtstr'.
6626 (emit_line_note_after, emit_line_note, emit_line_note_force,
6627 emit_note, decode_asm_operands): Constify.
6629 * cse.c (canon_hash): Likewise.
6631 * dbxout.c (dbxout_block): Likewise.
6633 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6634 v_warning_for_asm): Likewise.
6636 * dwarfout.c (function_start_label): Likewise.
6638 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6639 emit_line_note_force): Likewise.
6641 * final.c (last_filename, asm_insn_count, final_scan_insn,
6642 output_source_line): Likewise.
6644 * function.h (struct emit_status): Likewise.
6646 * gcse.c (hash_expr_1): Likewise.
6648 * genattr.c (gen_attr, main): Likewise.
6650 * genattrtab.c (struct function_unit, current_alternative_string,
6651 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6652 attr_numeral, check_attr_test, check_attr_value,
6653 convert_set_attr_alternative, convert_set_attr,
6654 compute_alternative_mask, simplify_by_exploding, gen_attr,
6655 gen_unit): Likewise.
6657 * genflags.c (gen_insn): Likewise.
6659 * gengenrtl.c (type_from_format): Likewise.
6661 * genopinit.c (gen_insn): Likewise.
6663 * genoutput.c (n_occurrences, process_template, process_template):
6666 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6669 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6672 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6673 ggc_set_mark, ggc_get_size): Likewise.
6675 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6677 * optabs.c (init_one_libfunc): Likewise.
6679 * output.h (assemble_start_function): Likewise.
6681 * recog.c (decode_asm_operands): Likewise.
6683 * toplev.c (rest_of_compilation): Likewise.
6685 * tree.h (emit_line_note_after, emit_line_note,
6686 emit_line_note_force): Likewise.
6688 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6689 asm_emit_uninitialised, assemble_start_function,
6690 assemble_variable, const_hash, compare_constant_1,
6691 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6693 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6695 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6697 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6699 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6701 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6702 arm_dllimport_name_p): Likewise.
6704 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6707 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6709 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6711 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6712 arm_mark_dllexport, arm_mark_dllimport,
6713 arm_pe_encode_section_info): Likewise.
6715 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6716 ASM_FINISH_DECLARE_OBJECT): Likewise.
6718 * arm/thumb.c (thumb_function_prologue): Likewise.
6720 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6722 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6724 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6726 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6728 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6730 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6732 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6733 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6735 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6737 * i386/i386.c (asm_output_function_prefix): Likewise.
6739 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6741 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6743 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6745 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6746 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6747 ASM_OUTPUT_SECTION_NAME): Likewise.
6749 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6751 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6753 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6755 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6757 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6759 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6761 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6763 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6765 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6767 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6769 * mips/mips.md (movdi, movsi): Likewise.
6771 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6773 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6775 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6777 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6778 ASM_OUTPUT_ASCII): Likewise.
6780 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6781 output_mi_thunk, output_toc): Likewise.
6783 * rs6000/rs6000.md (movsi): Likewise.
6785 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6787 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6789 * v850/v850.c (print_operand, print_operand_address,
6790 v850_encode_data_area): Likewise.
6792 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6794 * config/mips/mips.md (zero_extendsidi2): Always force operand
6795 one to memory for mips16.
6797 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6799 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6800 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6801 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6802 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6803 (min_precision): Result is unsigned.
6804 (add_double, neg_double, mul_double): Low word is unsigned.
6805 (lshift_double, rshift_double, lrotate_double): Likewise.
6806 (rrotate_double, div_and_round_double): Likewise.
6807 (tree_floor_log2, compare_tree_int): New functions.
6808 (preserve_rtl_expr_temps): New declaration.
6809 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6810 (decl_attributes): Use tree_log2 to find alignment.
6811 Check for TREE_INT_CST_HIGH for format args.
6812 (min_precision): Now unsigned.
6813 Use tree_floor_log2.
6814 (truthvalue_conversion): Delete long-disabled code.
6815 * c-decl.c (finish_struct): Clean up tests on field width.
6816 (finish_function): Use compare_tree_int.
6817 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6818 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6819 (default_conversion, digest_init): Use compare_tree_int.
6820 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6821 Fix type errors in forming masks.
6822 * calls.c (initialize_argument_information): Use compare_tree_int.
6823 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6824 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6825 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6826 (store_field): Use compare_tree_int.
6827 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6828 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6829 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6830 (do_store_flag): Use compare_tree_int.
6831 * fold-const.c (encode, decode): Low part is always unsigned.
6832 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6833 (lshift_double, rshift_double, lrotate_double): Likewise.
6834 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6835 (fold_convert): Use compare_tree_int.
6836 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6837 (invert_truthvalue, case INTEGER_CST): Likewise.
6838 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6839 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6840 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6841 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6843 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6844 (expand_end_case): Use compare_tree_int.
6845 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6846 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6847 (layout_decl): Likewise.
6848 (layout_record, layout_union): Make sizes unsigned.
6849 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6850 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6851 * tree.c (struct type_hash): hashcode is unsigned.
6852 (build_type_attribute_variant, type_hash_list): Likewise.
6853 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6854 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6855 (build_complex_type): Likewise.
6856 (real_value_from_int_cst): Remove unneeded casts.
6857 (integer_all_onesp): Add casts.
6858 (tree_floor_log2, compare_tree_int): New functions.
6859 (build_index_type): Use tree_int_cst_sgn.
6860 * varasm.c (assemble_variable): Use compare_tree_int.
6862 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6864 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6866 * varasm.c (make_decl_rtl): Don't add a number to members of
6868 (make_function_rtl): Likewise.
6870 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6872 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6873 patch from 2000-01-28.
6875 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6877 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6878 filled with an insn from the jump target.
6880 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6882 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6883 (c4x_external_ref): Likewise.
6884 * config/c4x/c4x.c (struct name_list): Likewise.
6886 1999-12-16 Ben Collins <bcollins@debian.org>
6888 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6889 argument to genmultilib.
6890 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6891 the contents into the multilib.h header.
6892 * gcc.c: Declare multilib_exclusions for the specs file.
6893 (set_multilib_dir): Use it.
6894 (print_multilib_info): Likewise.
6895 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6896 to pass to genmultilib.
6898 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6900 * builtins.c (built_in_class_names, built_in_names): Constify a
6903 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6905 (_mcleanup): Ensure value matches format specifier in sprintf.
6907 * cpphash.c (special_symbol): Don't needlessly cast away
6910 * cppinit.c (base_name): Delete unused prototype.
6912 * mkdeps.c (deps_init): Make definition K&R safe.
6914 * tree.h (built_in_class_names, built_in_names): Constify a
6917 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6919 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6920 floating point instructions for epilogue delay.
6922 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6923 to gas if it supports .register pseudo.
6925 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6926 LONG_DOUBLE_TYPE_SIZE if not defined.
6927 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6928 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6930 * gengenrtl.c: Likewise.
6931 * print-rtl.c: Likewise.
6933 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6934 MASK_LONG_DOUBLE_128.
6935 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6936 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6937 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6938 (SUBTARGET_SWITCHES): Define.
6939 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6940 with -mlong-double-128.
6941 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6942 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6943 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6944 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6945 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6946 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6947 with -mlong-double-128.
6948 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6949 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6950 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6951 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6952 TARGET_LONG_DOUBLE_128): Define.
6953 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6954 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6955 long double on TARGET_ARCH64.
6957 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6959 * function.c (free_temps_for_rtl_expr): Don't free slots
6960 that have been pushed into a higher level.
6963 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6965 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6967 * basic-block.h (ALLOCA_REG_SET): Remove.
6968 (INITIALIZE_REG_SET): New macro.
6969 * flow.c (update_life_info): Use it.
6970 (calculate_global_regs_live): Likewise.
6971 (propagate_block): Likewise.
6972 * global.c (build_insn_chain): Likewise.
6973 * haifa-sched.c (schedule_region): Likewise.
6975 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6977 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6978 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6979 (DWARF_ARANGES_PAD_SIZE): New define.
6980 (output_aranges): Use it to pad the address range header.
6981 (DWARF_ROUND): Fix for non power of 2 rounding.
6983 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6985 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6987 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6989 * tree.def (RTL_EXPR): Update documentation.
6990 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6991 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6992 * function.c (preserve_rtl_expr_temp): New function.
6993 (preserve_rtl_expr_temps): Likewise.
6994 (preserve_rtl_expr_result): Use it.
6997 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6999 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7001 * regmove.c (copy_src_to_dest) Do not create src->dest move
7002 for unchanging destination.
7004 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7006 * function.h (struct sequence_stack): Remove rtl_expr.
7007 (struct emit_staus): Likewise.
7008 (seq_rtl_expr): Remove.
7009 * tree.h (free_temps_for_rtl_expr): Don't declare.
7010 (start_sequence_for_rtl_expr): Likewise.
7011 * rtl.h (preserve_rtl_expr_result): Likewise.
7012 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7013 (start_sequence_for_rtl_expr): Remove.
7014 (push_topmost_sequence): Don't save sequence_rtl_expr.
7015 (pop_topmost_sequence): Remove comment about not restoring it.
7016 (end_sequence): Don't set seq_rtl_expr.
7017 (init_emit): Don't initialize it.
7018 (mark_sequence_stack): Don't mark it.
7019 (mark_emit_status): Likewise.
7020 * except.c (protect_with_terminate): Use
7021 start_sequence_for_rtl_expr, not start_sequence.
7022 * expr.c (expand_expr, case RTL_EXPR): Don't call
7023 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7024 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7025 (preserve_rtl_expr_result): Remove.
7026 (free_temps_for_rtl_expr): Likewise.
7027 (pop_temp_slots): Likewise.
7028 (mark_temp_slot): Don't mark the rtl_expr.
7029 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7030 start_sequence_for_rtl_expr.
7032 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7034 * mkdeps.c, mkdeps.h: New files.
7035 * po/POTFILES.in: Add them.
7036 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7037 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7038 (mkdeps.o): New target.
7040 * cppfiles.c: Delete deps_output.
7041 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7042 OBJECT_SUFFIX, and base_name.
7043 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7045 (initialize_dependency_output): Use deps_init,
7046 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7047 all the unnecessary string bashing.
7048 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7050 * cpplib.c (do_include): Use deps_add_dep.
7051 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7052 deps_allocated_size, deps_size, deps_column members with
7053 single pointer to a struct deps. Delete prototype of
7056 * cppinit.c: Fix thinko in previous patch.
7058 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7060 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7061 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7062 (mode_for_size_tree): New function.
7063 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7064 * tree.h (mode_for_size_tree): New declaration.
7066 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7068 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7070 * stmt.c (is_body_block): Move...
7071 * dwarfout.c, dwarf2out.c: ...from here.
7072 * tree.h: Declare it.
7073 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7074 * final.c (final_start_function): Do call remove_unnecessary_notes
7077 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7079 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7081 * cpplib.h (_dollar_ok): New macro.
7082 (is_idchar, is_idstart): Use it.
7083 (IStable): Rename to _cpp_IStable. Declare it const if
7084 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7085 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7086 is_space): Update for renamed IStable.
7088 * cppinit.c: Delete all references to FAKE_CONST and CAT
7089 macros. Define init_IStable as empty macro if gcc >=2.7 or
7090 C99. Change TABLE() to ISTABLE and hardcode name of table.
7091 (cpp_start_read): Don't change the IStable based on
7094 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7095 changed. Handle '$' for char1 correctly.
7096 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7098 * cppexp.c (tokentab2): Make const.
7099 (cpp_lex): Make toktab const.
7100 * cppinit.c (include_defaults_array): Make const.
7101 (initialize_standard_includes): Make default_include const.
7103 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7105 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7106 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7107 (gen_decl_die): Likewise.
7108 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7109 (output_decl): Likewise.
7111 * varasm.c (make_function_rtl): If we change the name used in the
7112 rtl, update DECL_ASSEMBLER_NAME accordingly.
7113 (make_decl_rtl): Likewise.
7115 * toplev.c (rest_of_compilation): Tweak formatting.
7117 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7118 remove_unnecessary_notes.
7119 (debug_ignore_block): New fn.
7120 * toplev.h: Declare it.
7121 * emit-rtl.c (remove_unncessary_notes): Call it.
7122 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7123 * dwarf2out.h: Declare it.
7124 * final.c (final_start_function): Don't call remove_unnecessary_notes
7125 if we did insn scheduling.
7127 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7129 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7130 * cpplib.h: Delete SET_CPP_PEDANTIC.
7132 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7134 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7135 result is a RECORD_TYPE.
7137 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7139 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7141 2000-03-03 Richard Henderson <rth@cygnus.com>
7143 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7144 addition over compliments over shifts.
7146 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7148 * reload1.c (reload_combine_note_use): Handle return register USEs.
7149 REG case: Handle multi-hard-register hard regs.
7151 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7153 * md.texi: Document use of '*' in insn pattern name.
7155 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7157 * calls.c (special_function_p): operator new may not be malloc-like.
7159 * gcse.c (dump_hash_table): Really fix error in last change.
7161 2000-03-02 Denis Chertykov <denisc@overta.ru>
7163 * avr.c (print_operand): Use print_operand_address instead of
7165 * avr/libgcc.S: Cleanup code.
7167 2000-03-02 Richard Henderson <rth@cygnus.com>
7169 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7171 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7173 * tree.h (TYPE_ALIGN_UNIT): New macro.
7175 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7177 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7179 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7181 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7183 (SET_CPP_PEDANTIC): New macro.
7184 * cpplib.c (do_include): Don't bother checking system_header_p.
7185 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7186 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7188 * function.h (struct expr_status): Add x_arg_space_so_far.
7189 (arg_space_so_far): New macro.
7190 * expr.c (init_expr): Initialize it.
7191 * calls.c (emit_call_1): Reset it.
7192 (compute_argument_block_size, expand_call): Use it.
7193 (expand_call, store_one_arg): Increment it.
7195 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7197 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7200 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7202 * cppfiles.c (cpp_read_file): New function.
7204 * cpphash.c (collect_expansion): Make sure to reset last_token
7205 to NORM when we hit a string. Handle trailing whitespace
7206 properly when the expansion is empty.
7207 (create_definition): Disable line commands while parsing the
7209 (dump_definition): If pfile->lineno == 0, output a line
7210 command ahead of the dump, and add a trailing newline.
7212 * cppinit.c (append_include_chain): Add fifth argument, which
7213 indicates whether or not system headers are C++ aware.
7214 (initialize_standard_includes): New function,
7215 broken out of read_and_prescan. Pass 'cxx_aware' value from
7216 the include_defaults_array on to append_include_chain.
7217 (dump_special_to_buffer): Const-ify char array.
7218 (builtin_array): Don't dump __BASE_FILE__.
7219 (cpp_start_read): Use cpp_read_file. Reorder code for
7220 clarity. Don't output line commands here for -D/-A/-U
7221 switches. Don't call deps_output for files included with
7222 -include or -imacros.
7224 * cpplib.c (do_define): Don't pay any attention to the second
7226 (cpp_expand_to_buffer): Disable line commands while scanning.
7227 (output_line_command): Work in the file buffer.
7228 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7229 Fix formatting of comments. Prototype cpp_read_file.
7231 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7233 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7234 reference the language-equivalent of sizetype.
7235 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7236 * fold-const.c (size_binop, size_diffop): Put back checks.
7237 * gcse.c (dump_hash_table): Fix minor error in last change.
7238 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7239 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7242 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7244 * calls.c (expand_call) Do not attempt to combine stack adjustments
7245 with inhibit_defer_pop set.
7247 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7249 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7250 the DECL_SIZE for a FIELD_DECL.
7252 2000-03-01 Bruce Korb <bkorb@gnu.org>
7254 * fixinc/inclhack.tpl: remove unused symlinks
7255 * fixinc/README: GCC Maintainer info
7256 * fixinc/inclhack.sh: regen
7257 * fixinc/fixincl.sh: regen
7259 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7261 * cpphash.c (collect_expansion): Trim trailing white space
7262 from macro definitions, but don't go past the last insertion
7265 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7267 * i386.md (mulqi3): New pattern.
7269 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7271 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7273 (struct cpp_reader): Add parsing_if_directive and
7274 parsing_define_directive flags.
7275 (struct cpp_options): Remove output_conditionals flag.
7276 (check_macro_name): Delete prototype.
7278 * cpphash.h (struct macrodef): Delete.
7279 (struct reflist): Separate from struct definition.
7280 (struct definition): Remove unused fields. Add column number.
7281 (create_definition): Returns a DEFINITION *. Takes a
7282 cpp_reader * and an int.
7284 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7285 (PEEKC): Copy defn from cpplib.c.
7286 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7288 (struct arglist): Simplify.
7289 (collect_expansion): Rewrite. Get tokens by calling
7290 cpp_get_token. Add more error checking.
7291 (collect_formal_parameters): New function, broken out of
7292 create_definition and reworked to use get_directive_token.
7293 (create_definition): All real work is now in collect_expansion
7294 and collect_formal_parameters. do_define handles finding the
7295 macro name. Return a DEFINITION, not a MACRODEF.
7296 (macroexpand): Replace bcopy with memcpy throughout. Replace
7297 character-at-a-time copy loop with memcpy and pointer increments.
7298 (compare-defs): d1->argnames / d2->argnames might be null.
7300 * cpplib.c (copy_rest_of_line): Delete function.
7301 (skip_rest_of_line): Do all the work ourselves.
7302 (skip_string): New function.
7303 (parse_string): Use skip_string.
7304 (get_macro_name): New function.
7305 (check_macro_name): Delete.
7306 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7307 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7308 (handle_directive): ICE if we're called on a macro buffer.
7309 (do_define): Determine macro name and type (funlike/objlike)
7310 here. Expunge all uses of MACRODEF.
7311 (cpp_push_buffer): Set line_base to NULL.
7312 (do_undef, read_line_number): Don't worry about getting a POP token.
7313 (eval_if_expression): Set/reset parsing_if_directive around
7314 cpp_parse_expr. Don't clear only_seen_white.
7315 (skip_if_group): Remove output_conditionals logic. Use
7317 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7318 tokens under appropriate conditions.
7319 (cpp_unassert): Call do_unassert not do_assert. Oops.
7321 * cppexp.c (parse_defined): New function, break out of
7323 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7324 ourselves, with cpp_defined.
7325 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7327 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7328 * gcc.dg/strpaste-2.c: New.
7330 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7332 * fold-const.c (size_binop): Don't asert inputs are the same and
7333 have TYPE_IS_SIZETYPE set.
7334 (size_diffop): Likewise.
7336 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7338 * dwarfout.c (output_block): Output abstract blocks even if they
7339 don't have TREE_ASM_WRITTEN set.
7341 * calls.c (emit_library_call): Check for null REG.
7343 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7345 * c-decl.c (current_function_decl): Move to toplev.c.
7346 (init_decl_processing): Don't add current_function_decl as a ggc
7348 * dbxout.c (dbxout_symbol): Change return type to int.
7349 (dbxout_symbol_location, dbxout_syms): Likewise.
7350 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7351 any locals. Use current_function_func_begin_label if set.
7352 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7353 * dwarf2out.c (dwarf2out_begin_prologue): Set
7354 current_function_func_begin_label.
7355 * final.c (final_start_function): Reset it.
7356 * toplev.c (current_function_decl): Define it here.
7357 (current_function_func_begin_label): New variable.
7358 (main): Add both as ggc roots.
7359 * tree.h (current_function_func_begin_label): Declare.
7361 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7363 * gcse.c: Cleanups throughout: mostly white-space, but also
7364 some minor rearrangement of code.
7366 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7368 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7369 returns a PARALLEL. Use emit_group_load and use_group_regs
7371 (emit_library_call_value): Similarly.
7373 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7374 * pa/quadlib.asm: Remove.
7375 * pa/quadlib.c: New file.
7377 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7378 * configure: Rebuilt.
7380 2000-02-29 Philip Blundell <pb@futuretv.com>
7382 * config/arm/conix-elf.h: New file.
7383 * configure.in (arm*-*-conix*): New configuration.
7384 * configure: Regenerate.
7386 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7388 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7389 don't have TREE_ASM_WRITTEN set.
7391 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7393 * Eliminate DECL_FIELD_SIZE.
7394 * builtins.c (built_in_class_names, built_in_names): New variables.
7395 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7396 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7397 DECL_SIZE, not DECL_FIELD_SIZE.
7398 * print-tree.c (print_node): Remove code that prints extra blank
7399 lines in some cases.
7400 Properly handle inline and builtin function cases.
7401 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7402 * tree.h (built_in_class_named, built_in_names): New declarations.
7403 (union tree_decl): Rename internal unions to u1 and u2 and change
7404 some of their components.
7405 Add new field built_in_class.
7406 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7407 Reflect above changes.
7408 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7409 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7410 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7411 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7413 2000-02-28 Dmitri Makarov <dim@windriver.com>
7415 * extend.texi: Document ARM's support for long/short calls.
7417 * invoke.texi: Document ARM's -mlong-calls command line switch.
7419 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7420 (arm_encode_call_attribute): Add prototype.
7421 (arm_set_default_type_attribute): Add prototype.
7422 (arm_strip_name_encoding): Add prototype.
7424 * config/arm/arm.c (arm_init_cumulative_args): replace
7425 initialisation og 'long_calls' field with initialisation of
7426 'call_cookie' field.
7427 (enum arm_pragma_enum): New enum.
7428 (arm_pragma_long_calls): New static variable.
7429 (arm_process_pragma): Also process "#pragma long_calls_off".
7430 (arm_valid_type_attribute_p): Accept short_call attribute.
7431 (arm_comp_type_attributes): Check long/short call attributes.
7432 (arm_encode_call_attribute): New function: Encode long_call
7433 or short_call attribute in function name.
7434 (arm_set_default_type_attributes): New function: Assign
7435 default attributes to newly defined type.
7436 (current_file_function_operand): New function: Return true if
7437 the symbol is a function which has already been compiled.
7438 (arm_is_longcall_p): New function: Return true if the
7439 indicated function should be called via a long call.
7440 (arm_get_strip_length): New function. Returns number of
7441 prefix characters to be stripped from a function's name.
7442 (arm_strip_name_encoding): New function. Strip prefix characters
7443 from a function's name.
7445 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7447 (SHORT_CALL_FAG_CHAR): Define.
7448 (LONG_CALL_FAG_CHAR): Define.
7449 (ENCODED_SHORT_CALL_ATTR_P): Define.
7450 (ENCODED_LONG_CALL_ATTR_P): Define.
7451 (ARM_NAME_ENCODING_LENGTHS): Define.
7452 (STRIP_NAME_ENCODING): Define.
7453 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7454 (ARM_ENCODE_CALL_TYPE): Define.
7455 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7456 (ARM_DECLARE_FUNCTION_SIZE): Define.
7457 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7459 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7460 if a long call is needed.
7461 (call_value): Ditto.
7462 (call_symbol): Ditto.
7464 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7465 ARM_DECLARE_FUNCTION_SIZE.
7467 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7468 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7469 (ARM_STRIP_NAME_ENCODING): Undefine.
7470 (STRIP_NAME_ENCODING): Undefine.
7471 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7472 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7473 (ASM_OUTPUT_COMMON): Ditto.
7474 (ASM_DECLARE_OBJECT_NAME): Ditto.
7476 * config/arm/pe.c (arm_dllexport_name_p): Check for
7478 (arm_dllimport_name_p): Ditto.
7479 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7480 (arm_mark_dllimport): Ditto.
7482 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7484 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7486 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7488 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7490 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7492 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7493 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7494 NO_BUILTIN_WCHAR_TYPE is not defined.
7495 (CPP_WCHAR_TYPE): Delete.
7496 * cccp.c (main): Don't change wchar_type if cplusplus.
7497 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7499 2000-02-28 Nick Clifton <nickc@cygnus.com>
7501 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7503 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7505 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7506 (ASM_WEAKEN_LABEL): Define.
7508 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7510 * expr.c (store_constructor): Do not emit USE.
7511 * rtl.h (stupid_life_analysis): Remove.
7513 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7515 * function.c (number_blocks): Reset next_block_index based on
7516 what debugging format is used, not what is defined.
7518 * lcm.c: Minor reformatting throughout.
7519 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7521 * toplev.c (rest_of_compilation): Account for time in
7522 optimize_mode_switching.
7524 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7525 if only marking labels.
7527 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7529 * calls.c (expand_call): Attempt to combine stack adjustments with
7530 pending stack adjustments.
7532 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7534 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7535 to the end of the function.
7537 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7539 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7541 * final.c (next_block_index): Remove.
7542 (max_block_depth): Likewise.
7543 (pending_blocks): Likewise.
7544 (init_final): Don't initialize them.
7545 (final_start_function): Don't set next_block_index. Set up
7547 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7548 * function.h (number_blocks): New function.
7549 * function.c (get_block_vector): New function.
7550 (identify_blocks): Use it.
7551 (reorder_blocks): Set NOTE_BLOCK.
7552 (number_blocks): New function.
7553 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7554 * tree.h (BLOCK_NUMBER): New macro.
7555 (tree_block): Add block_num field.
7556 * dbxout.c (next_block_number): Remove.
7557 (dbxout_init): Don't set it.
7558 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7559 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7561 * toplev.c (rest_of_compilation): Always call
7562 find_loop_tree_blocks. Fix indentation.
7563 * dwarf2out.c (next_block_number): Remove.
7564 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7565 to determine block numbers.
7566 (gen_inlined_subroutine_die): Likewise.
7567 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7568 (decls_for_scope): Don't increment next_block_number.
7569 * dwarfout.c (next_block_number): Remove.
7570 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7571 to determine block numbers.
7572 (output_inlined_subroutine_die): Likewise.
7573 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7574 (output_decls_for_scope): Don't increment next_block_number.
7575 * sdbout.c (next_block_number): Remove.
7576 (sdbout_block): Use BLOCK_NUMBER.
7577 (sdbout_begin_block): Simplify.
7578 * xcoffout.c (next_block_number): Remove.
7579 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7580 (xcoffout_begin_block): Don't set next_block_number.
7581 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7584 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7586 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7587 (expand_builtin_strcpy): Pass correct type to size_binop.
7588 (expand_builtin_strcmp): Likewise.
7589 Clean up conditional structure.
7590 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7591 (complete_array_type): Don't use size_binop for MAXINDEX.
7592 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7593 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7594 (c_alignof): Use size_one_node.
7595 (build_unary_op): Pass arg of proper type to size_binop.
7596 (really_start_incremental_init, push_init_level): Use sizetype for
7597 constructor{,_bit,_unfilled}_index.
7598 (pop_init_label, output_init_element): Likewise.
7599 (output_pending_init_elements, process_init_element): Likewise.
7600 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7601 * expr.c (store_expr): Use size_int.
7602 (store_constructor): Use proper types for size_binop args.
7603 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7604 (expand_expr_unaligned): Likewise.
7605 (string_contant): Return object of sizetype.
7606 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7607 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7608 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7609 * fold-const.c (int_const_binop): Refine when size_int is called.
7610 (fold_convert): Likewise.
7611 (size_int_wide): Rework to take KIND as arg, only take low order
7612 bits, handle new sizetype_tab datatype, and chain entries in
7614 (size_int_type_wide): New function.
7615 (size_binop): Validate types of arguments.
7616 (ssize_binop): Deleted.
7617 (size_diffop): New function.
7618 (extract_muldiv): Only fold division into multiplication for sizetypes.
7619 * function.c (assign_parms): Use size_diffop and make sure
7620 VAR field is of ssizetype; also pass proper type to size_binop.
7621 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7622 (round_down): Deleted from here.
7623 * store-layout.c (sizetype_tab): Now an array.
7624 (sizetype_set, early_root_list): New variables.
7625 (variable_size): Use size_one_node.
7626 (round_up): Pass proper type to size_binop.
7627 (round_down): Moved to here and corrected as above.
7628 (layout_record): Pass proper arg types to size_binop.
7629 (layout_type): Likewise.
7630 If sizetype_set is zero, record the type just laid out.
7631 (make_unsigned_type): Don't call set_sizetype;
7632 (make_signed_type): Likewise; also, call fixup_signed_type.
7633 (initialize_sizetypes): New function.
7634 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7635 set name of bitsizetype to "bit_size_type".
7636 Fix up type of sizes of all types made before call.
7637 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7638 * tree.c (fix_sizetype): Deleted.
7639 (build_common_tree_nodes): Call initialize_sizetypes.
7640 (build_common_tree_nodes_2): Don't call fix_sizetype.
7641 * tree.h (TYPE_IS_SIZETYPE): New macro.
7642 (initialize_sizetype): New declaration.
7643 (enum size_type_kind): New type.
7644 (struct sizetype_tab): Deleted.
7645 (sizetype_tab): Now array; adjust sizetype macros.
7646 (size_diffop, size_int_type_wide): New functions.
7647 (size_int_wide): Change number of args and type; access macros changed.
7648 (ssize_int, sbitsize_int): New macros.
7649 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7650 (ROUND_TYPE_SIZE_UNIT): New macro.
7652 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7654 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7656 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7658 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7659 Mark as possibly unused.
7661 * cse.c (cse_insn): Delete dead code involving tablejump.
7662 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7664 * Makefile.in (libcpp.a): Start by deleting it.
7666 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7668 * cpplib.h (enum file_change_code): Added rename_file.
7669 * cpplib.c (do_line): If a filename is given, set file_change to
7671 (output_line_command): If file_change is rename_file, always
7672 output a # directive with the file name.
7674 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7676 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7678 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7679 when copying a PARM_DECL or RESULT_DECL.
7681 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7683 * fix-header.c (recognized_function): Also fix prototypes for
7684 functions taking "void".
7686 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7688 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7689 looking at reg_reloaded_contents.
7691 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7693 * Makefile.in (STMP_FIXINC): New toggle.
7694 (LIBGCC2_DEPS): Delete all references.
7695 (stmp-headers): Delete target. All references either deleted
7696 or changed to stmp-int-headers.
7697 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7698 (LIBCPP_OBJS): Take out cppalloc.o.
7699 (cppalloc.o): Delete target.
7700 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7701 (gen-protos, fix-header): Link with libiberty.a.
7702 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7705 * configure.in: Remove refs to strerror.
7706 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7707 * system.h: Take out strerror stanza.
7709 * cpperror.c (my_strerror): Delete function.
7710 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7711 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7712 * cppalloc.c: Delete file.
7713 * gen-protos.c: Don't provide xrealloc.
7715 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7716 xstrerror throughout.
7718 2000-02-26 Bruce Korb <bkorb@gnu.org>
7720 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7721 match for DOS headers, too.
7722 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7724 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7726 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7727 is right for most ELF targets.
7728 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7729 Let the default file use %U properly.
7730 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7733 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7736 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7738 * toplev.c (documented_lang_options): Correct spelling error.
7739 (decode_d_option, decode_f_option, main): Likewise.
7741 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7743 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7744 to tell assembler it is permitted to expand large constants.
7746 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7748 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7749 (aux_info_suffix): Use.
7750 (SAVE_SUFFIX): New macro.
7752 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7753 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7754 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7756 * invoke.texi (Running Protoize): Update documentation.
7758 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7760 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7762 2000-02-25 John Wehle (john@feith.com)
7764 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7766 2000-02-25 Anthony Green <green@cygnus.com>
7768 * toplev.c (rest_of_compilation): Rebuild jump labels if
7769 combine_instructions has created a new direct jump.
7770 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7772 (combine_instructions): Call try_combine with new argument.
7773 Return non-null value when new direct jump instruction is created.
7774 * rtl.h: combine_instructions returns an int.
7776 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7778 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7779 jump when changing a computed jump into a jump to a known
7782 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7784 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7785 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7787 * i386.md (define_expand "clrstrsi"): Fix typo.
7789 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7791 * rtl.texi: Fix typo.
7793 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7795 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7796 UNITS_PER_WORD. Change caller initial_elimination_offset.
7797 (rounded_frame_size): Take into account that argument pushed has
7798 changed. Fix TARGET_ALIGN_DOUBLE problem.
7800 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7802 * haifa-sched.c (schedule_block): Explain the real reason
7803 we delete REG_SAVE_NOTEs on the first insn of a block.
7804 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7806 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7808 * input.h (push_srcloc): New function.
7809 (pop_srcloc): Likewise.
7810 * toplev.c (push_srcloc): Define it.
7811 (pop_srcloc): Likewise.
7813 2000-02-24 Richard Henderson <rth@cygnus.com>
7815 * flow.c (life_analysis): When collecting reg info, clear
7818 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7820 Fix bug exposed by reload.c no longer rounding the frame
7821 size to BIGGEST_ALIGNMENT:
7822 * sh.c (rounded_frame_size): New function.
7823 (sh_expand_prologue, sh_expand_epilogue): Use it.
7824 (initial_elimination_offset): Likewise.
7826 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7828 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7829 * sh-protos.h (sh_need_epilogue): Declare.
7830 * sh.c (sh_need_epilogue_known): New static variable.
7831 (sh_need_epilogue): New function.
7832 (function_epilogue): Clear need_epilogue_known.
7833 * sh.md (return): Split into expander / insn pattern.
7834 Make the expander conditional on ! sh_need_epilogue ().
7836 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7838 * machmode.h (get_mode_alignment): Declare.
7839 (GET_MODE_ALIGNMENT): Call it.
7840 * stor-layout.c (get_mode_alignment): New function. Make
7841 sure alignment is always power of 2.
7843 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7845 * i386.h: Remove useless definition of "I386" and misleading
7848 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7850 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7851 under which TREE_PERMANENT will be set.
7852 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7853 build1): Use TREE_SET_PERMANENT.
7854 * print-tree.c (print_node): Don't report value of
7855 TREE_PERMANENT if ggc_p is true.
7857 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7858 decide whether to give a type a new alias set.
7859 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7860 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7861 of value of 'obstack'.
7864 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7866 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7868 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7870 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7871 * cpplib.c (cpp_get_token): Produce them.
7872 * cppexp.c (cpp_lex): Handle them.
7874 2000-02-23 Nick Clifton <nickc@cygnus.com>
7876 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7877 comment tests on type attributes.
7879 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7881 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7882 conform to documentation.
7883 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7884 to check for special cases.
7885 * sh-protos.h (sh_loop_align): Declare.
7886 * sh.c (sh_loop_align): Define.
7888 2000-02-22 Andrew Haley <aph@cygnus.com>
7890 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7891 (SIZE_TYPE): Is 32 bits when using -mgp32.
7892 (PTRDIFF_TYPE): Ditto.
7894 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7896 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7898 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7900 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7901 BIGGEST_FIELD_ALIGNMENT a constant.
7903 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7905 * dwarf2out.c (output_line_info): Put the marker for the end of
7906 the line number info at the actual end.
7907 (gen_struct_or_union_type_die): Use decl_function_context
7908 to check for local classes.
7909 * dwarfout.c (output_type): Likewise.
7911 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7913 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7914 for arguments with a mode, but no type.
7915 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7916 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7917 * pa/long_double.h: New file.
7918 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7919 both have 128bit wide long doubles.
7920 * configure: Rebuilt.
7922 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7924 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7926 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7927 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7928 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7930 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7932 * integrate.c (compare_blocks, find_block): Likewise.
7934 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7936 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7938 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7939 expand_asm_operands): Likewise.
7941 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7943 * predict.c (estimate_probability): Added the pointer heuristic to
7944 the collection of static branch predictors.
7946 2000-02-21 Catherine Moore <clm@cygnus.com>
7948 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7949 * invoke.texi (-mfix7000): Document.
7951 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7953 * diagnostic.c (init_output_buffer): Make it possible to output at
7954 least 32 characters if we're given a too long prefix.
7956 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7958 * varasm.c (initializer_constant_valid_p): Call
7959 lang_expand_constant to simplify the constant.
7961 2000-02-20 Bruce Korb <bkorb@gnu.org>
7963 * fixinc/inclhack.def(stdio_va_list):
7964 typedef needs to be disabled.
7965 * fixinc/inclhack.sh: regen
7966 * fixinc/fixincl.x: regen
7968 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7970 * print-rtl.c (print_rtx): Don't print addresses when
7971 flag_dump_unnumbered.
7973 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7975 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7977 (sparc_va_arg, sparc_flat_output_function_prologue,
7978 sparc_flat_output_function_epilogue): Cast value to unsigned in
7980 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7982 * sparc.md: Add default case in switch.
7984 2000-02-19 Richard Henderson <rth@cygnus.com>
7986 * c-typeck.c (add_pending_init): Don't abort for multiple
7987 fields at the same offset.
7988 (pending_init_member): Test the correct member.
7990 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7992 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7994 (start_catch_handler) : Same.
7996 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7998 * Makefile.in: Have flow.o depend on $(EXPR_H)
8000 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8002 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8003 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8004 (finish_decl): Remove -Wlarger-than code from here.
8005 * flags.h (id_clash_len): Now int.
8006 (larger_than_size): Now HOST_WIDE_INT.
8007 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8008 Clean up checking to see if in table.
8009 (make_bit_field_ref): Remove extra parm to bitsize_int.
8010 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8011 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8012 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8013 and for computing size of decl.
8014 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8015 Move -Wlarger-than code to here.
8016 (layout_record): Remove extra arg to bitsize_int.
8017 Set TYPE_BINFO_SIZE_UNIT.
8018 (layout_union): Remove extra arg to bitsize_int.
8019 Use proper type for size of QUAL_UNION.
8020 (layout_type): Remove extra arg to bitsize_int.
8021 * toplev.c (id_clash_len): Now int.
8022 (larger_than_size): Now HOST_WIDE_INT.
8023 (decode_W_option): Clean up id-clash and larger-than- cases.
8024 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8025 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8026 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8027 (struct tree_decl): New field size_unit.
8028 (size_int_wide): No HIGH operand; NUMBER is now signed.
8029 (size_int_2): Deleted.
8030 (size_int, bitsize_int): Don't use it and rework args.
8031 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8033 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8035 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8037 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8039 * invoke.texi (Warning Options): Add an explanation of why
8040 you might want the -Wfloat-equal flag.
8042 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8044 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8045 * cppinit.c (new_pending_define): Add cast to avoid warning.
8046 * expmed.c (extract_bit_field): Likewise.
8047 * flow.c (enum reorder_skip_type): New type.
8048 (skip_insns_between_blcok): New it.
8049 Rework to avoid warning about possibly undefined variable.
8050 * function.c (assign_parms): Make thisparm_boundary unsigned.
8051 * genrecog.c (write_switch): Cast XWINT result to int.
8052 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8053 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8054 one for MIPS and one for Alpha.
8055 (get_tag, copy_object): Add casts to avoid warnings.
8056 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8057 * reload.c (find_reloads): Make TYPE enum reload_type.
8058 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8059 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8060 * varasm.c (compare_constant_1): Add cast to avoid warning.
8061 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8063 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8064 Cast switch operand of size to int.
8065 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8066 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8069 2000-02-18 Nick Clifton <nickc@cygnus.com>
8071 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8072 anything for an alignment of zero.
8074 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8075 anything for an alignment of zero.
8077 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8079 * gcc.texi (Bug Reporting): Refer to bugs.html.
8080 (Bug Lists): Likewise.
8081 * system.h (GCCBUGURL): New preprocessor define.
8082 * rtl.c (fancy_abort): Use it.
8083 * gcc.c (main): Likewise.
8085 2000-02-18 Richard Henderson <rth@cygnus.com>
8087 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8088 (life_analysis_1): Subsume into ...
8089 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8090 Use update_life_info for the relaxation.
8091 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8092 entry and regs_live_at_setjmp.
8093 (set_noop_p): Simplify.
8094 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8095 (record_volatile_insns): Split into ...
8096 (delete_noop_moves): ... here,
8097 (notice_stack_pointer_modification): ... here,
8098 (insn_dead_p): ... and here.
8099 (propagate_block): Don't query INSN_VOLATILE.
8100 (mark_used_regs): Mind !PROP_REG_INFO.
8101 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8102 not in life_analysis.
8104 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8106 * loop.c (canonicalize_condition): New function,
8107 broken out of get_condition.
8108 (get_condition): Use it.
8109 * expr.h (canonicalize_condition): Prototype it.
8111 * tree.h (tree_int_cst_msb): Declare.
8112 * tree.c (tree_int_cst_msb): New function.
8114 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8116 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8119 * invoke.texi (-fmessage-length=n): Document.
8121 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8123 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8125 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8127 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8130 2000-02-17 Nick Clifton <nickc@cygnus.com>
8132 * config/arm/thumb.c: Replace includes of system headers with
8133 #include "system.h".
8135 2000-02-16 Richard Henderson <rth@cygnus.com>
8137 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8138 Add crtbeginS.o and crtendS.o.
8139 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8140 (ENDFILE_SPEC): Use crtendS.o.
8141 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8143 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8144 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8146 (__dso_handle): New variable.
8147 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8148 bias to __CTOR_END__.
8150 2000-02-16 Richard Henderson <rth@cygnus.com>
8152 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8154 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8156 * longlong.h (__clz_tab): Declare as static to match definition.
8158 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8159 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8160 (XREF_FILE_NAME): Define.
8162 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8163 (EH_FRAME_SECTION_ASM_OP): Define.
8164 (IDENT_ASM_OP): Define.
8165 (TEXT_SECTION_ASM_OP): Define.
8167 (CTORS_SECTION_ASM_OP): Define.
8168 (CTOR_SECTION_FUNCTION): Use it.
8169 (DTORS_SECTION_ASM_OP): Define.
8170 (DTOR_SECTION_FUNCTION): Use it.
8172 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8174 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8177 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8178 debug_bb_n): New functions.
8179 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8180 * basic-block.h: Prototype new functions.
8182 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8184 * configure.in: Add support for avr target.
8185 * configure: Rebuilt.
8187 * invoke.texi: Add AVR invocation docs.
8188 * install.texi: Add information about AVR.
8189 * md.texi: Add AVR constraint letters description.
8190 * extend.texi: Add description for AVR specific attributes.
8192 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8194 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8196 2000-02-16 Nick Clifton <nickc@cygnus.com>
8198 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8199 (make_insn_raw): Move RTL check here.
8201 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8203 * version.c: Include gansidecl.h and version.h.
8205 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8207 * configure.in (gcc_version): When setting, narrow search to
8208 lines containing `version_string'.
8210 * Makefile.in (mainversion): Likewise.
8211 (GCC_H): New variable.
8212 (gcc.h): Delete target.
8213 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8214 (version.o): Depend on version.h.
8215 (dbxout.o): Don't depend on gcc.h.
8217 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8218 Michael Meissner <meissner@cygnus.com>
8220 * md.texi (Simple Constraints): Add item about whitespace.
8221 * genoutput.c (strip_whitespace): New.
8222 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8223 strip_whitespace for constraints.
8224 Test pointer using NULL, not 0.
8226 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8228 * cpplib.c (do_line): Pedwarn for #line > 32767.
8230 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8232 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8234 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8235 to default cpp spec.
8236 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8237 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8240 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8243 2000-02-15 Denis Chertykov <denisc@overta.ru>
8245 * configure.in: Add support for avr target.
8247 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8249 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8250 (sh_addr_diff_vec_mode): Don't declare.
8251 * sh.c (sh_addr_diff_vec_mode): Delete.
8253 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8255 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8257 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8259 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8260 (smulsi3_highpart_i): Name.
8261 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8262 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8263 (smulsi3_highpart, umulsi3_highpart): Likewise.
8265 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8266 correctly independent of endianness.
8267 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8268 confuse the optimizers.
8269 (mulsidi3+1, umulsidi3+1): New define_split.
8271 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8273 * config/sh/sh.md: Guard insn splits against illegal registers.
8274 * config/sh/sh.h: Correct comment about macros.
8276 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8277 Andrew MacLeod <amacleod@cygnus.com>
8279 * Makefile.in (lcm.o): Depend on insn-attr.h.
8280 * basic-block.h (optimize_mode_switching): Declare.
8281 * lcm.c (tm_p.h, insn-attr.h): #include.
8282 (seginfo, bb_info): New structs.
8283 (antic, transp, comp, delete, insert) : New file-scope static variables.
8284 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8285 (reg_becomes_live, optimize_mode_switching): Likewise.
8286 * tm.texi: Add description of mode switching macros.
8287 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8289 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8290 (fldi_ok, fpscr_set_from_mem): New prototypes.
8291 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8292 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8293 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8294 (sh_flag_remove_dead_before_cse): Remove declaration.
8295 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8296 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8297 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8298 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8299 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8300 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8301 (fldi_ok): New function.
8302 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8303 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8304 (emit_df_insn): Likewise.
8305 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8306 (sh_flag_remove_dead_before_cse): Delete.
8307 (get_free_reg, fpscr_set_from_mem): New functions.
8308 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8309 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8311 2000-02-15 Loren Rittle <ljrittle@acm.org>
8313 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8315 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8317 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8318 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8320 * cccp.c: Include version.h and/or don't declare `version_string'.
8321 * collect2.c: Likewise.
8322 * alpha.c: Likewise.
8323 * arm/aof.h: Likewise.
8324 * arm/coff.h: Likewise.
8325 * arm/elf.h: Likewise.
8326 * arm/pe.h: Likewise.
8327 * arm/tcoff.h: Likewise.
8328 * arm/telf.h: Likewise.
8329 * arm/tpe.h: Likewise.
8330 * arm/vxarm.h: Likewise.
8331 * convex/convex.c: Likewise.
8332 * i386/dgux.c: Likewise.
8333 * i386/sun386.h: Likewise.
8334 * m88k/m88k.c: Likewise.
8335 * mcore/mcore-pe.h: Likewise.
8336 * mips/mips.h: Likewise.
8337 * romp/romp.h: Likewise.
8338 * sh/sh.c: Likewise.
8339 * cpphash.c: Likewise.
8340 * cppinit.c: Likewise.
8341 * dwarf2out.c: Likewise.
8342 * dwarfout.c: Likewise.
8345 * mips-tfile.c: Likewise.
8346 * protoize.c: Likewise.
8347 * toplev.c: Likewise.
8350 * version.c (version_string): Constify a char*.
8352 * version.h: New file.
8354 2000-02-14 Nick Clifton <nickc@cygnus.com>
8356 * configure.in: Add mcore-elf and mcore-pe targets.
8357 * configure: Regenerate.
8359 * NEWS: Add note that MCore port has been contributed.
8361 * invoke.texi: Document command line switches for MCore port.
8362 * install.texi: Add MCore to list of supported targets.
8364 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8366 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8367 then we will need to import the frame handling functions.
8368 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8369 to import the frames themselves.
8371 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8372 Jason Eckhardt <jle@cygnus.com>
8374 * basic_block.h: Added prototype for reorder_basic_blocks.
8375 * toplev.c: Changes to add -freorder-blocks and graph dump after
8376 block reordering is done.
8377 * flow.c (reorder_block_def): New structure for use during block
8379 (REORDER_BLOCK_*): New macros to access members of above structure.
8380 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8381 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8382 functions for block reordering.
8384 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8386 * gcc.texi (Passes): Fix typo.
8387 * md.texi (Standard Names): Ditto.
8388 * tm.texi (Storage Layout): Ditto.
8390 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8392 * cpplib.c (do_define): Only free the old definition if it
8395 2000-02-13 Neil Booth <NeilB@earthling.net>
8397 * cppfiles.c (read_and_prescan): When emitting deferred
8398 newlines, test speccase[] again instead of checking each
8399 possible whitespace character in turn. When we encounter \r,
8400 look behind for \n first, then ahead.
8402 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8404 * cse.c (cse_altered): New internal flag.
8405 (cse_insn): Set it if we changed an insn.
8406 (cse_main): Clear cse_altered before each basic block.
8407 Only garbage collect if cse_altered is true afterward.
8409 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8411 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8413 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8415 * combine.c (simplify_comparison): Fix typo.
8417 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8419 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8422 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8424 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8425 previously inserted node instead of root node. Caller changed.
8427 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8429 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8431 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8433 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8434 __dereg_frame_dtor): Add prototype argument.
8436 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8438 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8440 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8442 * gthr-vxworks.h (__gthread_once): Likewise.
8444 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8446 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8448 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8449 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8450 stack pointer in functions w/o saved registers, output LEAVE more often
8451 on TARGET_USE_LEAVE machines.
8453 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8455 * config/arm/arm.c (arm_init_cumulative_args); New function:
8456 Initlaise the CUMULATIE_ARGS strcuture for a function
8458 (arm_function_arg): New function: Determine where to place a
8459 function's argument. Also handles deciding the function's
8461 (current_file_function_operand): New function: Return true if
8462 the symbol is a function which has already been compiled.
8463 (arm_is_long_call_p): New function: Return true if the
8464 indicated function should be called via a long call.
8465 (arm_valid_type_attribute_p): New function: Return true if the
8466 attribute is a valid, arm specific, attribute.
8467 (arm_comp_type_attribute): New function: Return true if the
8468 two types have compatable, arm specific, attributes.
8470 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8472 (FUNCTION_ARG): Redefine to call arm_function_arg.
8473 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8475 (INIT_CUMULATIVE_ARGS): Redefine to call
8476 arm_init_cumulative_args.
8477 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8479 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8481 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8483 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8484 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8485 (COMP_TYPE_ATTRIBUTES): Define.
8487 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8488 if a long call is needed.
8489 (call_value): Call arm_is_long_call_p to decide if a long call
8491 (call_symbol): Call arm_is_long_call_p to decide if a long call
8494 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8496 2000-02-11 Denis Chertykov <denisc@overta.ru>
8498 * README.AVR: New file with information about the avr ports.
8499 * config/avr: New directory with avr port files.
8501 2000-02-11 Andreas Jaeger <aj@suse.de>
8503 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8505 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8507 * cpphash.c: Fix formatting, update commentary.
8508 (dump_definition): Take three separate arguments instead of a
8509 MACRODEF structure argument.
8510 * cpphash.h: Update prototype of dump_definition.
8511 * cppinit.c (cpp_finish): Update call of dump_definition.
8513 * cpplib.c (do_define): Always create new hash entry with
8514 T_MACRO type. Remove redundant check for redefinition of
8515 poisoned identifier. Update call of dump_definition.
8516 (do_undef): Don't call check_macro_name. Rename sym_length to
8518 (do_error, do_warning): Don't use copy_rest_of_line or
8520 (do_warning): Don't use pedwarn for the actual warning,
8521 only the notice about its not being in the standard. (Fixes
8522 bug with #warning in system headers.)
8523 (do_ident): Stricter argument checking - accept only a single
8524 string after #ident. Also, macro-expand the line.
8525 (do_xifdef): Use cpp_defined. De-obfuscate.
8527 (do_pragma): Split out specific pragma handling to separate
8528 functions. Use get_directive_token. Update commentary. Do
8529 not pass on #pragma once or #pragma poison to the front end.
8530 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8531 do_pragma_default): New.
8533 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8535 * jump.c (jump_optimize_1): The first operand in a relational
8537 * optabs.c (emit_conditional_move): Handle relationals which
8538 have a known true/false result.
8540 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8542 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8543 a RETURN insn into a block which already ends with a jump.
8545 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8547 * haifa-sched.c (BUF_LEN): Increase a lot.
8549 2000-02-11 Nick Clifton <nickc@cygnus.com>
8551 * configure.in: Add tm_p_file specification for thumb targets.
8552 * configure: Regenerate.
8554 * config/arm/thumb-protos.h: New file: Prototypes for exported
8555 functions defined in thumb.c.
8557 2000-02-11 Robert Lipe <robertl@sco.com>
8559 * Makefile.in (bootstrap-lean): Remove additional files.
8560 (bootstrap2-lean): Likewise.
8561 (VOL_FILES): List of files for above.
8563 2000-02-11 Nathan Sidwell <nathan@acm.org>
8565 * cpphash.c (special_symbol): Remove spurious argument to
8568 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8570 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8572 * configure: Rebuilt.
8574 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8576 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8578 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8580 * pa.c, pa.h: Remove trigraph sequences within comments.
8582 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8584 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8586 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8588 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8590 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8592 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8594 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8596 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8597 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8598 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8599 (ASM_FILE_END): Use c4x_file_end.
8600 * config/c4x/c4x.c (c4x_global_label): New function.
8601 (c4x_external_ref, c4x_file_end): Likewise.
8603 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8604 (c4x_external_ref, c4x_end_file): Likewise.
8606 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8608 * cppexp.c: Don't include cpphash.h.
8609 (parse_charconst, cpp_lex): Use cpp_defined.
8610 (cpp_lex): Use get_directive_token throughout. Remove
8611 unnecessary cases from switch. Move assertion-handling code
8613 (cpp_parse_expr): If we see '+' or '-', check the context to
8614 determine if they are unary or binary operators. Streamline
8615 the jumps a bit. Do not call skip_rest_of_line.
8617 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8618 static. Export get_directive_token. Update commentary.
8619 (cpp_defined): New function.
8620 (do_define): Remove reference to T_PCSTRING. Call
8621 free_definition to release memory for old definition, when
8623 (eval_if_expression): Set only_seen_white to 0 before calling
8624 cpp_parse_expr. Call skip_rest_of_line after it returns.
8625 (cpp_read_check_assertion): Don't preserve a pointer into the
8626 token buffer across a call to cpp_get_token.
8628 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8629 * cppfiles.c (redundant_include_p): Use cpp_defined.
8630 * cpphash.c (free_definition): New function.
8631 (delete_macro): Use it. Update commentary.
8632 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8634 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8635 from enum node_type. Prototype cpp_defined and get_directive_token.
8636 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8638 * fix-header.c (check_macro_names): Use cpp_defined.
8639 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8640 the options structure.
8642 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8644 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8646 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8648 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8649 rather than die->die_tag.
8651 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8653 * combine.c (make_extraction, force_to_mode): Avoid warning on
8654 mixed-signedness conditionals.
8655 (make_field_assignment, nonzero_bits): Likewise.
8656 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8657 (store_split_bit_field, extract_split_bit_field): Likewise.
8658 (extract_fixed_bit_field, store_bit_field,
8659 * expr.c: Change alignment to be unsigned everywhere.
8660 (move_by_pieces, store_constructor_field, store_constructor):
8661 Alignment parm is unsigned.
8662 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8663 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8664 (do_compare_rtx_and_jump): Likewise.
8665 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8666 Compare align with GET_MODE_ALIGNMENT.
8667 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8668 (get_inner_reference): Likewise.
8669 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8670 (expand_assignment): Local vars for alignment now unsigned.
8671 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8672 (do_compare_and_jump): Likewise.
8673 (store_field): Call new function expr_align.
8674 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8675 Alignment arg now unsigned.
8676 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8677 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8678 (extract_bit_field): Likewise.
8679 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8680 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8681 (get_best_mode): Alignment arg is unsigned.
8682 * rtl.h (move_by_pieces): Likewise.
8683 * store-layout.c (maximum_field_alignment, set_alignment):
8685 (layout_decl): Alignment arg is now unsigned.
8686 Remove unneeded casts.
8687 (layout_record, layout_union, layout_type): Remove unneeded casts.
8688 Local alignment variables now unsigned.
8689 (get_best_mode): Alignment arg now unsigned.
8690 * tree.c (expr_align): New function.
8691 * tree.h (expr_align): Likewise.
8692 (maximum_field_alignment, set_alignment): Now unsigned.
8693 (get_inner_reference): Alignment argument is now pointer to unsigned.
8694 * varasm.c (assemble_variable): Add cast to eliminate warning.
8696 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8698 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8699 then store directly into op0.
8701 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8702 the CALL_INSN, and emit the note immediately after it.
8704 2000-02-10 Nick Clifton <nickc@cygnus.com>
8706 * config/arm/thumb.md (epilogue): Include a (return) in the
8707 generated insn, and emit it using emit_jump_insn not
8710 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8712 * function.c (assign_temp): Change zero-sized arrays to size 1.
8713 * integrate.c (expand_inline_function): Do not update
8714 stack_alignment_needed
8715 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8716 add some sanity checking, remove optimization for function with
8719 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8721 * flow.c (mark_regs_live_at_end): Delete unused variables.
8723 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8725 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8726 in macro FRAME_GROWS_DOWNWARD.
8728 * stmt.c (expand_end_bindings): Delete unused variable.
8730 * unroll.c (iteration_info): Mark parameter `loop' with
8733 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8735 * fixinc/server.c (load_data): Return NULL if the marker line is
8737 (run_shell): If load_data returns NULL, retry the command once, in
8740 * configure: Rebuilt.
8742 2000-02-09 Bruce Korb <bkorb@gnu.org>
8744 * gcc/fixincludes: ** DELETED **
8745 * gcc/fixcpp: ** DELETED **
8746 * gcc/fixinc-nt.sed: ** DELETED **
8747 * gcc/just-fixinc: ** DELETED **
8748 * gcc/Makefile.in: Removed out-dated commentary
8749 * gcc/configure.in: Removed fast-fixincludes disablement.
8750 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8752 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8753 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8756 2000-02-09 Richard Henderson <rth@cygnus.com>
8758 * jump.c (delete_insn): Don't delete user labels at -O0.
8760 2000-02-09 Robert Lipe <robertl@sco.com>
8762 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8763 Don't link with HOST_LIBS.
8765 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8767 * configure.in: Correct --help text for --with-dwarf2.
8768 Put tm-dwarf2.h after other tm files, if it's requested.
8769 * configure: Regenerate.
8770 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8773 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8775 * cpplib.h: Provide HASHNODE typedef and forward decl of
8776 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8777 DEFINITION, struct hashnode, struct macrodef, struct
8778 definition, scan_decls prototype, default defn of
8779 INCLUDE_LEN_FUDGE moved elsewhere.
8781 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8782 definition, and struct hashnode moved here. Remove the unused
8783 'predefined' field from struct definition. Replace the 'args'
8784 union with its sole member. All users updated (cpphash.c).
8785 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8786 multiple include guard.
8788 * cpphash.c (hashf): Make static; use better algorithm; drop
8789 HASHSIZE parameter; return an unsigned int.
8790 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8791 used. Calculate HASHSIZE modulus here.
8792 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8794 (create_definition): Drop PREDEFINITION parameter.
8795 * cpplib.c (do_define): Don't calculate a hash value here.
8796 Don't pass (keyword == NULL) to create_definition.
8798 * scan.h: Prototype scan_decls here.
8799 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8800 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8801 callers of cpp_lookup and cpp_install updated.
8803 * cpphash.c (macarg): Hoist all the flag diddling out of the
8805 (macroexpand): ... and out of the loop that calls macarg.
8806 Skip over the initial paren before macro arguments with
8807 cpp_get_non_space_token; point may be some distance before
8808 that paren. Abort if it's not there.
8810 * cpplib.c (parse_clear_mark): Delete function.
8811 (parse_set_mark, parse_goto_mark): Make static.
8812 (ACTIVE_MARK_P): New macro.
8813 (skip_block_comment, skip_line_comment): Do not bump the line
8814 if ACTIVE_MARK_P is true.
8815 (cpp_pop_buffer): The buffer to be popped may not have an
8817 (cpp_get_token): When looking for the initial paren before
8818 macro arguments, only set a mark in a file buffer, Always
8819 return to that mark before proceeding to call macroexpand or
8820 return a NAME token.
8822 * cpplib.h: Remove prototypes of parse_set_mark,
8823 parse_clear_mark, parse_goto_mark.
8824 (struct cpp_options): Rename 'put_out_comments' to
8825 'discard_comments' and invert its sense.
8826 * cppinit.c, cpphash.c, cpplib.c: All users of
8827 put_out_comments changed to use discard_comments, with
8830 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8832 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8833 the edge from a block that both jumps and falls through to the
8836 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8838 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8839 constant source address is legitimate.
8841 2000-02-09 Philip Blundell <pb@futuretv.com>
8843 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8846 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8848 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8850 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8852 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8853 ends with a newline and a NUL. Don't be so clever manipulating
8856 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8858 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8859 not to BIGGEST_ALIGNMENT.
8861 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8863 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8864 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8865 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8866 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8867 * frame.c (execute_cfa_insn): Handle
8868 DW_CFA_GNU_negative_offset_extended.
8870 2000-02-08 Richard Henderson <rth@cygnus.com>
8872 * flow.c (tidy_fallthru_edges): Split out from ...
8873 (delete_unreachable_blocks): ... here.
8874 (find_basic_blocks): Use it.
8876 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8878 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8880 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8882 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8883 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8884 (fix-header.o): Don't depend on cpphash.h.
8886 * scan.c (hashstr): New function.
8887 * scan.h: Prototype it.
8888 * fix-header.c: Don't include cpphash.h. Use hashstr.
8889 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8890 hashstr. Report hash table statistics. Add private
8891 definition of xrealloc.
8893 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8895 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8897 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8899 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8900 jumps with returns unless they are jumps to the fallthru block.
8902 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8904 * i386.md (addqi3_cc): Fix contraints.
8906 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8908 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8910 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8912 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8913 carriage return after a macro name.
8915 2000-02-07 Fred Fish <fnf@be.com>
8917 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8918 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8920 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8922 * cppfiles.c (deps_output): Count spacers in deps_column.
8924 2000-02-07 Neil Booth <NeilB@earthling.net>
8926 * cppinit.c (initialize_dependency_output): If there is no
8927 suffix, don't try to look for known suffixes. Use strrchr.
8928 (cpp_start_read): Remove duplicate initialization.
8930 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8932 * calls.c (compute_argument_block_size): New argument
8933 preferred_stack_boundary.
8934 (expand_call): update cfun->preferred_stack_boundary, update call of
8935 compute_argument_block_size
8936 (emit_library_call): Increate cfun->preferred_stack_boundary
8937 to PREFERRED_STACK_BOUNDARY
8938 (emit_library_call_value): Likewise.
8939 * explow.c (allocate_dynamic_stack_spave): Likewise.
8940 * function.c (prepare_function_start): Set
8941 cfun->preferred_stack_boundary
8942 * function.h (struct function): Add preferred_stack_boundary field.
8943 * integrate.c (expand_inline_function): Update
8944 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8945 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8946 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8948 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8950 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8951 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8952 cpp_pedwarn, cpp_pedwarn_with_line,
8953 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8954 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8955 v_cpp_error_with_line, v_cpp_warning_with_line,
8956 cpp_message_from_errno, cpp_perror_with_name): Delete.
8958 * cpperror.c (cpp_print_containing_files): Take starting
8960 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8961 (v_cpp_message): Now called directly by all entry points.
8963 (cpp_pfatal_with_name, cpp_message): Delete.
8964 (cpp_notice_from_errno, cpp_ice): New functions.
8965 (cpp_notice): Is now for reporting error conditions, just
8966 without an associated file.
8967 (cpp_error, cpp_error_with_line): Don't do anything if
8968 opts->inhibit_errors is on.
8969 (cpp_pedwarn_with_file_and_line): Take column argument also.
8971 * cpplib.h: Update prototypes of exported functions.
8972 (struct cpp_options): Add inhibit_errors.
8974 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8975 non-error messages. Include intl.h.
8977 * cppinit.c, cppmain.c: Likewise. Also, use
8978 cpp_notice_from_errno instead of cpp_perror_with_name or
8979 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8981 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8982 report internal errors.
8984 * cpplib.c (do_define): Switch bcopy to memcpy.
8985 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8987 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8988 bail out early if we hit a line comment.
8990 2000-02-06 Richard Henderson <rth@cygnus.com>
8992 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8993 * basic-block.h: Declare them.
8994 * emit-rtl.h (active_insn_p): New.
8995 (next_active_insn, prev_active_insn): Use it.
8996 * rtl.h: Declare it.
8997 * function.c (emit_return_into_block): New.
8998 (thread_prologue_and_epilogue_insns): Insert return insns instead
8999 of epilogues when possible.
9000 * jump.c (jump_optimize_1): Remove code to insert a return insn
9001 on the fallthru to the exit block.
9003 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9004 and for non-empty stack frames.
9005 * i386.md (return): Expand to return-pop as needed.
9007 2000-02-06 Richard Henderson <rth@cygnus.com>
9009 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9010 constant to op1 for testing.
9012 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9014 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9015 (fixuns_truncqfqi2): Use it.
9017 2000-02-06 Richard Henderson <rth@cygnus.com>
9019 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9022 * i386.md (widening and peepholes): Mask the constant instead of
9025 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9027 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9028 input pointer before possibly branching off to the backslash
9030 * cpphash.c (macroexpand): Correctly delete \r escapes when
9031 stringifying parameters.
9032 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9033 if we can; bail out early if we hit a line comment.
9034 (handle_directive): Treat '# 123' in an .S file just like
9035 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9036 Return 1 for '# not_a_directive'.
9037 (get_directive_token): Pop macro buffers here, so that
9038 cpp_get_token can't sneakily move past a newline.
9040 (cpp_get_token): goto randomchar if handle_directive returns 0.
9042 * cppalloc.c: Update copyright.
9043 * cpplib.c: Merge all the static function prototypes into one
9045 * cpplib.h: Remove #if 0 block.
9047 * cpperror.c: Remove #ifdef EMACS block.
9048 * cppmain.c: Likewise.
9049 * cpphash.c: Remove #if 0 blocks.
9050 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9051 * cpplib.c: Remove #if 0 blocks and code referencing
9052 pcp_inside_if or for_lint. Remove duplicate error message.
9053 Fix error messages for #else after #else or #elif. Reformat.
9054 Remove archaic TODO list.
9055 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9057 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9059 * i386/osf1elf.h: Add missing backslash to multiline string.
9061 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9063 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9065 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9067 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9069 * c-common.c: Include expr.h.
9071 * c-pragma.c (mark_align_stack): Add prototype.
9073 * caller-save.c (add_stored_regs): Likewise.
9075 * combine.c (record_promoted_value): Likewise.
9077 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9080 * cppinit.c (new_pending_define): Likewise.
9082 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9084 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9085 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9086 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9087 class_scope_p): Likewise.
9089 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9090 dwarf2out_add_library_unit_info): Likewise.
9092 * ggc.h (ggc_page_print_statistics): Likewise.
9094 * haifa-sched.c (propagate_deps): Likewise.
9096 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9098 * rtl.h (set_stack_check_libfunc): Likewise.
9100 * toplev.h (set_fatal_function): Likewise.
9102 * toplev.c (set_fatal_function): Delete prototype.
9104 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9106 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9108 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9109 (FUNC_END): Likewise.
9111 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9113 * caller-save.c: Include tm_p.h.
9115 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9117 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9119 2000-02-04 Neil Booth <NeilB@earthling.net>
9121 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9124 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9126 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9127 * genflags.c: Use the max_operand_1 logic from genemit.c to
9128 calculate how many arguments gen_insn prototypes have. Remove
9129 NO_MD_PROTOTYPES ifdefs from the generated file.
9130 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9131 file. Cast gen_insn initializers to insn_gen_fn.
9132 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9133 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9135 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9137 * fixinc/Makefile.in (HDR): Add machname.h.
9140 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9142 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9143 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9144 (c4x_cpu_version): Ditto.
9145 * config/c4x/c4x-protos.h: ... here.
9147 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9149 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9150 gen_abstract_function on our context if we're a nested function.
9152 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9154 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9155 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9157 2000-02-04 Bruce Korb <bkorb@gnu.org>
9159 * fixinc/genfixes(machname.h):
9160 Move the functionality from gen-machine.h into this file.
9161 UNdef MN_NAME_PAT if there are no names to change.
9162 Also, be a little kinder when AutoGen is not present.
9164 * fixinc/Makefile.in(machname.h):
9165 Change the generation rule to use genfixes.
9167 * fixinc/fixfixes.c(machine_name):
9168 machine_name_fix's functionality now dependent upon whether
9169 MN_NAME_PAT is defined.
9171 * fixinc/fixtests.c(machine_name):
9174 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9177 * fixinc/fixlib.h(mn_get_regexps):
9180 * fixinc/gen-machine.h: DELETED
9182 2000-02-04 Jan Hubicka <jh@suse.cz>
9183 Richard Henderson <rth@cygnus.com>
9185 * i386.c (SAVE_REGS_FIRST): Remove.
9186 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9187 (ix86_compute_frame_size): Likewise.
9188 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9189 (ix86_emit_restore_regs): Remove.
9190 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9191 when a frame pointer is in use.
9192 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9193 instead of pop to restore a register when profitable; emit leave
9195 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9197 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9198 * i386.md (prologue_allocate_stack): Remove.
9199 (epilogue_deallocate_stack): Remove.
9200 (pro_epilogue_adjust_stack): New.
9202 2000-02-04 Richard Henderson <rth@cygnus.com>
9204 * function.c (diddle_return_value): Rework to use a callback function.
9205 Use current_function_return_rtx if it's been set up.
9206 (do_clobber_return_reg, clobber_return_register): New.
9207 (do_use_return_reg, use_return_register): New.
9208 (expand_function_end): Use them.
9209 * stmt.c (expand_null_return): Likewise.
9210 * function.h: Declare them.
9211 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9212 (mark_reg): Change arguments as appropriate for callback.
9213 * integrate.c (expand_inline_function): Revert 19 Jan change.
9215 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9217 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9218 (Misc): Say the scheduler, not the Haifa scheduler.
9220 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9222 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9223 when in_mem is set. Update all callers.
9225 2000-02-04 Richard Henderson <rth@cygnus.com>
9227 * i386/openbsd.h (INT_ASM_OP): Define.
9229 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9231 * tm.texi: Fix various typos.
9233 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9235 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9236 (MD_STARTFILE_PREFIX_1): New macro.
9238 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9240 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9241 destination when needed.
9242 (strmovsi, strsetsi): New expander.
9243 (strmovsi_1, strsetsi_1): New pattern.
9244 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9245 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9246 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9247 * invoke.texi (align-stringops, inline-all-stringops): Document.
9249 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9251 * i386/netbsd.h (INT_ASM_OP): Define.
9253 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9255 * cpplib.h (cpp_reader): Add new flag, no_directives.
9256 * cpphash.c (macarg): Set it.
9257 * cpplib.c (handle_directive): If no_directives is on and we
9258 find a directive, issue an error and discard the line.
9260 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9262 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9263 FP constants. Add ! TARGET_FPU check for FP constants.
9265 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9267 * flow.c (find_basic_blocks): Don't kill label_value_list
9269 (cleanup_cfg): Kill it here.
9271 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9273 * expr.c (store_field): Ensure ALIGN is no stricter than the
9276 2000-02-02 Richard Henderson <rth@cygnus.com>
9278 * jump.c (delete_insn): Partially revert 19 Jan change;
9279 don't convert unused code labels to notes at -O0.
9281 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9283 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9284 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9286 2000-02-01 Richard Henderson <rth@cygnus.com>
9288 * i386.c (general_no_elim_operand): New.
9289 (nonmemory_no_elim_operand): New.
9290 (ix86_expand_move): Copy eliminable operands before a push.
9291 * i386-protos.h: Declare new functions.
9292 * i386.h (CAN_ELIMINATE): Simplify.
9293 (PREDICATE_CODES): Update.
9294 * i386.md (push insns): Don't allow eliminable register operands.
9296 2000-02-01 Richard Henderson <rth@cygnus.com>
9298 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9299 replace BLKmode with DECL_RTL's mode.
9301 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9303 * frame.c (find_fde): Convert for loop to do-while so compiler
9304 sees it's always executed at least once.
9305 * libgcc2.c (BBINBUFSIZE): Kill.
9306 (__bb_init_prg): Use fgets.
9307 (__bb_exit_trace_func): Don't paste strings.
9308 * unroll.c (unroll_loop): Initialize unroll_type, not
9309 unroll_number, and tweak logic to match.
9311 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9313 (ix86_flags_dependant): Likewise. Disentangle control flow.
9314 (ix86_sched_reorder): Break guts out to
9315 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9316 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9319 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9320 use string concatenation. Don't save and restore esi.
9322 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9323 (machname.h): Remove script to separate file. Use two-step
9324 sequence so target is not created if script fails.
9325 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9326 identifiers are defined.
9327 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9328 an empty string, machine_name doesn't need to do anything at
9330 (is_cxx_header): Add more cases to regexp.
9331 * fixinc/fixlib.h: Update prototype.
9332 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9334 * fixinc/fixincl.c: Define NO_BOGOSITY.
9336 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9337 (hp_sysfile): Add missing comma.
9338 (math_exception): Put the wrapper ifdefs at the beginning and
9339 the end of the file.
9340 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9342 2000-02-01 Richard Henderson <rth@cygnus.com>
9344 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9345 Use CONST0_RTX. Update all callers.
9346 * sparc.h, sparc-protos.h: Update accordingly.
9347 * sparc.md (fp mov insns): Use fp_zero_operand directly
9350 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9352 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9355 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9357 * Makefile.in (specs.ready): New target.
9358 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9360 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9362 * fixinc.irix: Use unique filenames for writing into /tmp,
9363 * fixinc.ptx: Likewise.
9364 * fixinc.sco: Likewise.
9365 * fixinc.svr4: Likewise.
9366 * fixinc.winnt: Likewise.
9368 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9370 * tsystem.h: New file.
9372 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9373 s-crtS): Depend on tsystem.h.
9375 * crtstuff.c: Include tsystem.h.
9376 * frame.c: Likewise.
9377 * libgcc2.c: Likewise.
9379 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9381 * builtins.c (expand_builtin_memset): Expand for variable sized
9384 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9386 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9389 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9391 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9393 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9395 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9397 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9398 case 3->2 combining (combining with splitting) in which 2 is CC0
9399 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9400 checked at the begining of the function with the aid of calling
9401 function 'can_combine_p'.
9403 2000-01-31 Dave Brolley <brolley@redhat.com>
9405 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9407 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9409 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9412 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9414 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9416 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9419 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9421 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9422 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9423 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9424 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9425 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9426 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9427 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9428 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9429 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9430 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9432 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9433 Add %(cpp_cpu) to CPP_SPEC.
9435 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9436 Add %(cc1_cpu) to CC1_SPEC.
9438 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9440 * c-decl.c (c_decode_option): Accept optional numeric argument to
9441 -Wformat and set warn_format.
9442 * c-common.c: Don't emit warning about non-constant printf format
9443 string unless warn_format > 1.
9445 2000-01-30 Richard Henderson <rth@cygnus.com>
9447 * alpha.md (return_internal): Allow after reload only.
9449 2000-01-30 Richard Henderson <rth@cygnus.com>
9451 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9452 local frame size is zero.
9454 2000-01-30 Richard Henderson <rth@cygnus.com>
9456 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9457 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9458 * alpha.md (return): Turn into an expander.
9459 (return_internal): Don't use $26.
9460 (epilogue): Emit the return insn.
9462 2000-01-30 Richard Henderson <rth@cygnus.com>
9464 * alpha.md (negtf2, abstf2): Fix word order thinko.
9466 (trunctfsf2): Avoid intermediate rounding errors.
9468 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9470 * cppfiles.c (find_position): Drop 'colp' argument, return the
9472 (read_and_prescan): Adjust to match. Don't ever manipulate
9473 line or line_base except via find_position.
9475 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9477 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9478 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9481 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9483 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9484 just print "<command line>". If 'filename' is null or an
9485 empty string, print "<stdin>" for the filename.
9486 * cpplib.c (do_define): Don't print the 'location of the
9487 previous definition' message if we're still parsing the
9489 (cpp_pedwarn_with_file_and_line): Always call
9490 cpp_file_line_for_message.
9492 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9494 * flow.c (mark_regs_live_at_end): Fix typo.
9496 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9498 * c-common.c: Adjust variable names, comments, help strings to c99.
9499 * c-lex.c: Likewise.
9500 * c-parse.y: Likewise.
9501 * c-tree.h: Likewise.
9503 * cpplib.h: Likewise.
9504 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9505 * cppinit.c: Likewise.
9507 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9509 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9510 * c4x.c: Define the optab rtx values.
9511 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9512 (c4x_emit_libcall): Use new optab rtx values.
9513 (c4x_emit_libcall3): Likewise.
9514 (c4x_emit_libcall_mulhi): Likewise.
9515 * c4x-protos.h: Add prototypes for optab rtx values and change
9516 prototypes for above c4x_emit_libcall functions.
9518 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9520 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9522 (c4x_function_prologue): Use regnames intead of float_reg_names when
9524 (c4x_function_epilogue): Likewise.
9525 (c4x_print_operand): Likewise.
9526 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9527 * c4x.md (set_high): Disable for TARGET_TI.
9529 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9531 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9532 of framepointer + constant to ADDR_REGS class.
9533 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9534 * c4x.c (std_or_reg_operand): New function.
9535 * c4x-protos.h (std_or_reg_operand): Prototype it.
9537 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9539 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9540 object names as libgcc2.c.
9541 * libgcc.S: Use newly defined names.
9543 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9544 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9546 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9547 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9548 (FLOW_LOOP_LAST_BLOCK): Likewise.
9550 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9552 * basic-block.h (struct loop): New fields 'first' and 'last'.
9553 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9554 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9555 and loop->last to check for NOTE_INSN_LOOP_END.
9557 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9559 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9560 of the loop descriptor rather than HEADER and LATCH. Also added
9561 missing break statements as well making some coding style modifications
9562 as suggested by Michael Hayes.
9564 2000-01-28 Richard Henderson <rth@cygnus.com>
9566 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9567 Break out that code ...
9568 (cleanup_cfg): ... here.
9569 (commit_one_edge_insertion): Detect a return instruction being
9570 emitted to an edge. Emit a barrier following; clear fallthru.
9571 (commit_edge_insertions): Verify CFG consistency.
9572 * function.c (expand_function_start): Kill unused variable.
9573 (expand_function_end): Likewise.
9574 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9575 to insert the epilogue.
9577 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9578 (delete_null_pointer_checks): Likewise.
9579 * output.h: Likewise.
9580 * reg-stack.c (reg_to_stack): Likewise.
9581 * toplev.c (rest_of_compilation): Likewise. Run
9582 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9584 2000-01-28 Richard Henderson <rth@cygnus.com>
9586 * Makefile.in (flow.o): Revert 24 Jan change.
9587 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9588 FUNCTION_VALUE result to DECL_RESULT's mode.
9590 * haifa-sched.c (schedule_insns): Don't recompute reg info
9593 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9595 * configure.in: Make --enable-cpplib the default.
9596 * configure: Regenerate.
9597 * gcc.dg/990119-1.c: No longer expected to fail.
9599 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9601 * jump.c (jump_optimize_1): Delete an optimization that is also done
9602 by merge_blocks in flow.
9604 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9606 * diagnostic.c (build_message_string, output_printf,
9607 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9608 (build_location_prefix): Fix non-literal format string.
9610 2000-01-27 Richard Henderson <rth@cygnus.com>
9612 * alpha.md (trunctfsf2): New.
9614 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9616 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9618 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9620 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9622 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9624 (skip_comment) ... here. Permit C++ comments in system
9625 headers always. Warn about C++ comments in user code under
9626 -std=gnu89 -pedantic.
9627 (copy_comment): Use skip_comment.
9628 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9630 (consider_directive_while_skipping, do_else, do_endif): Call
9631 validate_else unconditionally.
9632 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9633 text after the conditional in a system header.
9634 * cpplib.h (struct cpp_buffer): Add flag
9635 warned_cplusplus_comments.
9637 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9639 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9640 Use unshare_all_rtl_1.
9641 (unshare_all_rtl_again): New function.
9642 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9644 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9645 rather than resetting the 'used' flags ourself.
9647 * toplev.c (rest_of_compilation): Add current_function_decl
9648 to the unshare_all_rtl call.
9649 * tree.h: Prototype unshare_all_rtl.
9650 * rtl.h: Prototype unshare_all_rtl_again here.
9652 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9654 * genoutput.c (output_prologue): Include ggc.h in generated
9656 * Makefile.in (insn-output.o): Depends on ggc.h.
9658 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9659 Hans-Peter Nilsson <hp@bitrange.com>
9661 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9662 Remove redundant include of xm-ns32k.h.
9663 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9664 Remove redundant include of xm-ns32k.h.
9665 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9666 Remove redundant include of xm-ns32k.h.
9667 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9669 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9670 (TARGET_SWITCHES): Add documentation strings.
9671 (DWARF_FRAME_REGNUM): Override default definition.
9672 (REG_CLASS_CONTENTS): Add comments.
9673 (SUBSET_P): Format to reduce line length.
9674 (SMALL_REGISTER_CLASSES): Make a run time option.
9675 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9676 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9677 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9678 (regclass_map): fix typo in comment.
9679 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9680 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9681 (trace, reg_or_mem_operand): Delete, unused function.
9682 (calc_address_cost): Small offsets are cheaper than large ones.
9683 (expand_block_move): Generate more efficient code when bytes is a
9684 known at compile time.
9685 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9686 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9687 instead of reg_or_mem_operand.
9689 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9690 not general_operand. Similarly use "=rm" or stricter, not "=g".
9691 For input operands, use stricter constraints than "g" if not
9692 general_operand. Similarly use stricter predicate than
9693 "general_operand" when stricter constraints than "g" are present,
9694 except for matching constraints.
9695 (movstrsi): Use "memory_operand" for operands 0 and 1.
9696 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9697 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9698 not reg_or_mem_operand.
9699 (udivmoddisi4): Ditto.
9700 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9701 Use nonimmediate_operand for operand 3, not register_operand.
9702 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9705 2000-01-27 Fred Fish <fnf@be.com>
9707 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9708 * gthr-single.h: Likewise.
9709 * gthr-solaris.h: Likewise.
9710 * gthr-vxworks.h: Likewise.
9711 * gthr-win32.h: Likewise.
9714 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9716 * cppinit.c: Add " (cpplib)" to end of string printed by
9719 2000-01-27 Richard Henderson <rth@cygnus.com>
9721 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9722 testing for a signed comparison.
9723 (alpha_emit_floatuns): New.
9724 * alpha-protos.h: Declare it.
9725 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9726 (extendsfdf2): Tidy.
9728 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9730 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9731 no -g option specifying debugging format, default to -gstabs+.
9733 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9735 * calls.c (special_function_p): New argument fork_or_exec.
9736 (expand_call): When profile_arc_flag is set and the function
9737 is in the fork_or_exec group, call __bb_fork_func first.
9738 * libgcc2.c, _bb module (__bb_fork_func): New function.
9739 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9741 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9742 * tree.h (special_function_p): Update prototype.
9744 2000-01-26 Richard Henderson <rth@cygnus.com>
9746 * alpha.c (alpha_split_tfmode_pair): New.
9747 * alpha-protos.h: Declare it.
9748 * alpha.md (abstf2, negtf2): New.
9749 (movtf insn): Add input G constraint.
9750 (movtf splitter): Use alpha_split_tfmode_pair.
9752 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9754 * i386/cygwin.h: PROTO -> PARAMS.
9756 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9758 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9759 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9760 using _Qp_cmp/_Q_cmp and testing the return value.
9761 (print_operand): Call reverse_condition_maybe_unordered if
9762 we are handling CCFPmode or CCFPEmode.
9763 Handle ORDERED, UN* and LTGT comparisons.
9764 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9765 if not TARGET_HARD_QUAD.
9766 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9767 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9768 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9769 Adjust gen_b* calls so that they reflect return comparison of
9770 sparc_emit_float_lib_cmp.
9772 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9774 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9775 incoming operands array is large enough for one more operand.
9776 (alpha_emit_xfloating_arith): Likewise.
9778 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9780 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9781 file with one line and no trailing newline.
9782 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9783 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9784 checking if the match is on the line.
9785 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9787 2000-01-25 Richard Henderson <rth@cygnus.com>
9789 * sparc.c (output_cbranch): Fix accidental squashing of the
9790 fp branch pre-delay nop.
9792 2000-01-25 Richard Henderson <rth@cygnus.com>
9794 * tree.def (UNNE_EXPR): Remove.
9795 * c-typeck.c (build_binary_op): Don't handle it.
9796 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9798 * rtl.def (UNNE): Remove.
9800 * jump.c (reverse_condition): Update accordingly.
9801 (swap_condition): Likewise.
9802 (comparison_dominates_p): Handle unordered comparisons.
9803 (reverse_condition_maybe_unordered): New.
9804 * rtl.h (reverse_condition_maybe_unordered): Declare.
9806 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9807 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9808 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9809 * sparc.md (bltgt): New.
9811 2000-01-25 Nick Clifton <nickc@redhat.com>
9813 * emit-rtl.c (emit_insn): Only check machine class insns for
9814 improper emission of a RETURN.
9816 2000-01-25 Richard Henderson <rth@cygnus.com>
9818 * Makefile.in (flow.o): Depend on $(EXPR_H).
9819 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9820 duplicate the structure of diddle_return_value for keeping regs live.
9822 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9824 * loop.c (current_loop_info): Delete.
9825 (consec_sets_invariant_p): Add loop argument, update callers.
9826 (get_condition_for_loop): Likewise.
9827 (count_nonfixed_reads, update_giv_derive): Likewise.
9828 (simplify_giv_expr, general_induction_var): Likewise.
9829 (consec_sets_giv, recombine_givs): Likewise.
9830 (move_movables): Delete loop_start and loop_end arguments,
9831 add loop argument, and update callers.
9832 (find_mem_givs, check_final_value): Likewise.
9833 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9834 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9836 (basic_induction_var): Add loop argument, delete loop_level argument,
9838 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9839 add loop argument, and update callers.
9840 (find_splittable_regs, find_splittable_givs): Likewise.
9841 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9842 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9843 (biv_total_increment): Delete loop_start and loop_end arguments;
9845 (precondition_loop_p): Delete loop_start and loop_info arguments;
9847 * loop.h (get_condition_for_loop): Add loop argument.
9848 (biv_total_increment): Delete loop_start and loop_end arguments.
9849 (precondition_loop_p): Delete loop_start and loop_info arguments;
9851 (final_biv_value): Delete loop_start and loop_end arguments;
9853 (final_giv_value, back_branch_in_range_p): Likewise.
9855 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9857 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9859 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9861 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9862 point to the new "generated_files" doc.
9864 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9866 * config/fp-bit.c (_unord_f2): Fix typo.
9868 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9870 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9871 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9872 functions obsoleted by GC, such as push_obstacks_nochange,
9873 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9874 and code which existed only to decide whether or not to call
9875 them. Remove now-unused NESTED argument from start_function;
9876 all callers changed. Do not change behavior based on ggc_p.
9877 The use of the ixp_obstack in c-iterate.c and the util_obstack
9878 in objc/objc-act.c remain; these are not obsoleted by garbage
9880 * c-tree.h: Update prototype for start_function.
9882 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9884 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9886 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9889 2000-01-25 Richard Henderson <rth@cygnus.com>
9891 * sparc-protos.h (select_cc_mode): Declare.
9892 * sparc.c (select_cc_mode): New. Handle unordered compares.
9893 (output_cbranch): Always reverse via code change. Handle
9894 unordered compares. Factor tests and string updates.
9895 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9896 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9897 * sparc.md (bunordered, bordered): New.
9898 (bungt, bunlt, buneq, bunge, bunle): New.
9900 2000-01-25 Richard Henderson <rth@cygnus.com>
9902 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9903 * ggc-common.c (ggc_add_rtx_varray_root): New.
9904 (ggc_mark_rtx_varray): New.
9905 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9906 functions down below ggc_mark_foo.
9907 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9909 2000-01-25 Richard Henderson <rth@cygnus.com>
9911 * alpha.c (secondary_reload_class): Don't allocate a secondary
9912 for integral mode memories into FLOAT_REGS. Rearrange the more
9913 complicated memory expression inward.
9915 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9917 * inclhack.def: Fixes to play nicer with FreeBSD, and
9918 corrections to comments.
9919 (cxx_unready): Add select expression.
9920 (irix_sockaddr): Add bypass expression.
9921 (machine_ansi_h_va_list): New fix.
9922 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9923 Split out addition of "#include <stdarg.h>" to...
9924 (stdio_stdarg_h): ... here.
9925 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9926 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9927 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9929 (ultrix_ifdef): Tighten up select expression.
9931 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9932 re_ct and max_mach to avoid use of shell. Make printed names
9933 match names in inclhack.def. Use static copyright date.
9934 Don't count c_test and test expressions as requiring regex_t
9935 slots. Add some commentary.
9936 * inclhack.tpl: Do not include the 'This script contains N
9937 fixup scripts' line if PROGRAM is defined. Use static
9940 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9942 * dwarf2out.c: include "varray.h", not dyn-string.h.
9943 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9944 (addr_const_to_string, addr_to_string): Lose.
9945 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9946 (struct dw_val_struct): val_addr is now an rtx.
9947 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9948 (used_rtx_varray): New varray.
9949 (dwarf2out_init): Initialize it.
9951 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9953 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9954 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9955 * Makefile.in (dwarf2out.o): Update dependencies.
9957 2000-01-24 Richard Henderson <rth@cygnus.com>
9959 * i386.c (i386_dwarf_output_addr_const): New.
9960 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9962 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9964 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9965 * i386.c (i386_simplify_dwarf_addr): New.
9966 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9968 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9970 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9971 TYPE_STUB_DECL is NULL.
9973 2000-01-24 Richard Henderson <rth@cygnus.com>
9975 * builtins.c (expand_tree_builtin): Move ...
9976 * c-common.c (expand_tree_builtin): ... here.
9978 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9980 * loop.h (LOOP_INFO): New accessor macro.
9981 * basic-block.h (struct loop): Rename field `info' to `aux'.
9982 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9983 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9984 * unroll.c (loop_iterations, unroll_loop): Likewise.
9986 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9988 * config/i386/t-cygwin: Accomodate new winsup directory layout
9989 when searching for include files.
9991 2000-01-24 Richard Henderson <rth@cygnus.com>
9993 * rtl.def: Add unordered fp comparisions.
9994 * tree.def: Likewise.
9995 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9997 * builtins.c (expand_tree_builtin): New function.
9998 * c-typeck.c (build_function_call): Use it.
9999 (build_binary_op): Support unordered compares.
10000 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10002 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10003 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10004 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10005 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10006 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10008 (swap_condition): Handle unordered compares.
10009 (thread_jumps): Check can_reverse before reversing.
10010 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10013 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10014 setcc is present before acking for cmp_optab. Update all callers.
10015 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10016 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10017 * expr.c (expand_expr): Likewise. Support unordered compares.
10018 (do_jump, do_store_flag): Likewise.
10019 * expr.h (enum libfunc_index): Add unordered compares.
10021 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10022 (DPBIT_FUNCS): Add _unord_df.
10023 * config/fp-bit.c (_unord_f2): New.
10024 * fp-test.c (main): Try unordered compare builtins.
10026 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10027 * alpha.c (alpha_comparison_operator): Check mode properly.
10028 (alpha_swapped_comparison_operator): Likewise.
10029 (signed_comparison_operator): Likewise.
10030 (alpha_fp_comparison_operator): New.
10031 (alpha_emit_conditional_branch): Handle unordered compares.
10032 * alpha.h (PREDICATE_CODES): Update.
10033 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10034 (bunordered, bordered): New.
10036 2000-01-24 Richard Henderson <rth@cygnus.com>
10038 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10039 * alpha.md (movtf): New expander, insn, and splitter.
10041 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10043 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10046 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10048 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10049 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10050 REG_ALLOC_ORDER): Add frame pointer
10051 (FRAME_POINTER_REGNUM): Set to 20
10052 (HARD_FRAME_POINTER_REGNUM): New macro.
10053 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10054 to HARD_FRAME_POINTER.
10055 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10056 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10057 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10058 (HI_REGISTER_NAMES): Add "frame".
10059 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10060 (debug_reg): Handle FRAME_POINTER_REGNUM.
10061 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10062 GENERAL_REGS and INDEX_REGS.
10063 * i386.c (SAVED_REGS_FIRST): new macro.
10064 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10065 (ix86_decompose_address, memory_address_length): Likewise.
10066 (regclass_map): Add frame pointer.
10067 (call_insn_operand): Handle frame_pointer_rtx.
10068 (reg_no_sp_operand): Likewise.
10069 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10070 (print_operand, legitimize_pic_address): Fix formating.
10071 (ix86_compute_frame_size): Make static, update prototype, new
10072 parameters padding1, padding2, use ix86_nsaved_regs, use
10073 stack_alignment_needed.
10074 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10075 to HARD_FRAME_POINTER_REGNUM conversions.
10076 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10077 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10078 (print_reg): Abort on FRAME_POINTER_REGNUM
10080 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10082 * i386.h (PREDICATE_CODES): Add aligned_operand.
10083 * i386.c (aligned_operand): New function.
10084 (ix86_aligned_p): Kill.
10085 * i386.md (movhi_1): Emit mov for aligned operands.
10086 (promoting peep2s): Use aligned_operand.
10088 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10090 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10091 expression to allow underscores in macro names.
10092 (fix_char_macro_defines): Increment scanning pointer.
10094 2000-01-23 Richard Henderson <rth@cygnus.com>
10096 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10097 * alpha/osf5.h: New file.
10098 * configure.in (alpha-*-osf5): Add it to tm_file.
10100 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10102 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10103 (alpha_emit_xfloating_cvt, function_arg): Declare.
10104 * alpha.c (alpha_emit_conditional_branch): Call
10105 alpha_emit_xfloating_compare for TFmode compares.
10106 (alpha_lookup_xfloating_lib_func): New.
10107 (alpha_compute_xfloating_mode_arg): New.
10108 (alpha_emit_xfloating_libcall): New.
10109 (alpha_emit_xfloating_arith): New.
10110 (alpha_emit_xfloating_compare): New.
10111 (alpha_emit_xfloating_cvt): New.
10112 (print_operand): Add default abort case.
10113 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10114 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10115 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10116 (RETURN_IN_MEMORY): True for TF/TCmode.
10117 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10118 (FUNCTION_ARG): Move to function_arg.
10119 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10120 (ASM_OUTPUT_LONG_DOUBLE): New.
10121 (ASM_OUTPUT_DOUBLE): Always output bits.
10122 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10123 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10124 (extenddftf2, trunctfdf2): New.
10126 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10128 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10129 * config/sparc/sol2.h: ... here.
10131 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10133 * basic-block.h (struct loops): New field `levels'.
10134 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10135 (flow_loop_level_compute): Initialise level to 1.
10136 (flow_loops_find): Set loops->levels.
10137 (flow_loops_dump): Print loops->levels.
10139 2000-01-23 Richard Henderson <rth@cygnus.com>
10141 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10142 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10144 2000-01-23 Richard Henderson <rth@cygnus.com>
10146 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10147 * i386.h (DBX_REGISTER_NUMBER): Use them.
10148 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10149 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10150 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10151 * i386/sequent.h: Kill incorrect comment.
10153 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10155 * ggc-page.c (struct page_entry): Make `context_depth' an
10157 (struct globals): Likewise.
10159 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10161 * loop.c (check_dbra_loop): When checking a loop for
10162 reversability, check the source of any stores to ensure
10163 they don't depend on an initial value.
10165 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10167 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10169 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10171 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10172 'pz_scan' into scope of entire function. Only affects
10173 compiles with -DDEBUG.
10175 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10177 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10178 section naming to that prior to 2000-01-07 patch.
10179 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10180 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10181 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10182 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10183 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10185 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10187 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10190 2000-01-21 Jim Wilson <wilson@cygnus.com>
10192 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10193 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10195 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10197 * cpphash.c (change_newlines): Delete function.
10198 (struct argdata): Delete 'newlines' and 'use_count' fields.
10199 (macroexpand): Remove code referencing those fields.
10201 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10203 * loop.c (loops_info): New variable.
10204 (loop_optimize): Allocate loops->array and free it on exit.
10205 Allocate memory for loops_info and assign to each loop,
10207 (find_and_verify_loops): Do not allocate loops->array.
10209 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10211 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10213 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10215 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10216 pseudos if expanded after first flow.
10217 (movdi_pic_label_ref): Likewise.
10219 2000-01-20 Richard Henderson <rth@cygnus.com>
10221 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10223 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10225 * Makefile.in (fixinc.sh): Depend on specs.
10226 * fixinc/Makefile.in: Add rule to create machname.h.
10227 (fixlib.o): Depend on machname.h.
10228 * fixinc/fixtests.c (machine_name): New test.
10229 * fixinc/fixfixes.c (machine_name): New fix.
10230 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10231 the machine_name test and fix.
10232 * fixinc/fixlib.h: Prototype it.
10233 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10234 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10236 * gcc.c (do_spec_1) [case P]: Take care not to create
10237 identifiers with three leading or trailing underscores.
10239 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10240 (fixincl): Don't specify libraries twice on link line.
10241 (gnu-regex.o): Remove special rule.
10242 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10243 defined by config.h. Do not define _REGEX_RE_COMP.
10244 (regcomp): Allocate and initialize a fastmap.
10245 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10247 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10249 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10251 2000-01-19 Richard Henderson <rth@cygnus.com>
10253 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10254 arguments with BB. Update all callers. Tidy line wrapping.
10256 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10258 * emit-rtl.c (try_split): Return last_insn if we split the
10261 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10263 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10264 (ix86_initial_elimination_offset): Declare.
10265 * i386.c (ix86_nsaved_regs): Break out from ...
10266 (ix86_can_use_return_insn_p): ... here.
10267 (ix86_emit_save_regs): Break out from ...
10268 (ix86_expand_prologue): ... here.
10269 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10271 (ix86_expand_epilogue): ... here.
10272 (ix86_compute_frame_size): Make static, add prototype.
10273 (ix86_initial_elimination_offset): Break out from ...
10274 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10276 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10278 * recog.h (OUT_FCN): Delete.
10280 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10282 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10284 * cppalloc.c: PROTO -> PARAMS.
10285 * cpperror.c: Likewise.
10286 * cppfiles.c: Likewise.
10287 * cpplib.c: Likewise.
10288 * cpplib.h: Likewise.
10290 * config/arm/arm-protos.h: PROTO -> PARAMS.
10291 * config/arm/arm.c: Likewise.
10292 * config/c4x/c4x.c: Likewise.
10293 * config/fr30/fr30-protos.h: Likewise.
10294 * config/nextstep.c: Likewise.
10295 * config/pa/pa.c: Likewise.
10296 * config/pj/pj.c: Likewise.
10297 * config/rs6000/rs6000.c: Likewise.
10298 * config/v850/v850-protos.h: Likewise.
10299 * config/v850/v850.c: Likewise.
10301 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10303 * i370-protos.h: New file.
10305 * i370.c: Include tm_p.h. Fix compile time warnings.
10307 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10310 * i370.md: Likewise.
10312 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10314 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10315 (target_isinf, target_isnan, eisnan): Mark parameter with
10317 (eiisinf): Wrap in INFINITY.
10318 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10319 (ibmtoe): Remove unused variable `rndsav'.
10321 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10323 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10324 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10326 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10328 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10329 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10330 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10332 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10333 Recognize Emacs mode markers also.
10334 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10335 C++ comments in C++ headers. Call is_cxx_header only if
10338 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10339 bypass for ncurses.
10340 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10341 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10342 ... these, which use the new C fixes.
10343 (math_exception): Escape literal '+' in bypass expression.
10345 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10348 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10350 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10353 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10355 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10356 prior to calling scan_loop.
10358 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10360 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10361 (split_branches, calc_live_regs): Likewise.
10363 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10365 * sh.md (fpu_single, fp_mode): New attributes.
10367 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10369 * loop.c (current_loop_info): Renamed from loop_info_data
10370 and changed to a pointer.
10371 (loop_optimize): Allocate loop_info structure for each loop
10372 and initialise to zero.
10373 (scan_loop): Set current_loop_info.
10375 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10378 2000-01-19 Richard Henderson <rth@cygnus.com>
10380 * stupid.c: Die die die.
10381 * Makefile.in (OBJS): Remove stupid.o.
10382 (stupid.o): Likewise.
10384 * except.c (emit_eh_context): Don't emit USEs for stupid.
10385 * explow.c (probe_stack_range): Likewise.
10386 * flags.h (obey_regdecls): Remove.
10387 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10388 when not optimizing.
10389 (life_analysis): Limit data collection when not optimizing.
10390 (mark_regs_live_at_end): Always mark the return value registers.
10391 (mark_used_regs): Remove dummy RETURN case.
10392 (print_rtl_with_bb): Don't consult obey_regdecls.
10393 * function.c (use_variable, use_variable_after): Remove.
10394 (assign_parms): Consult optimize not obey_regdecls.
10395 (expand_function_start): Don't emit USEs for stupid.
10396 (expand_function_end): Likewise.
10397 * global.c (build_insn_chain): Export.
10398 * integrate.c (expand_inline_function): Kill return-value USE
10400 * jump.c (jump_optimize_1): Do simple jump optimizations and
10401 dead code elimination.
10402 (calculate_can_reach_end): Remove check_deleted argument.
10403 (delete_insn): Patch out insns even when not optimizing.
10404 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10405 * rtl.h (use_variable, use_variable_after): Remove declarations.
10406 (build_insn_chain): Declare.
10407 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10408 (expand_end_bindings): Likewise.
10409 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10410 * toplev.c (obey_regdecls): Remove.
10411 (rest_of_compilation): Don't set it. Kill stupid in favour of
10412 flow1, local-alloc, and reload.
10413 (main): Don't set obey_regdecls.
10415 * config/nextstep.c (handle_pragma): Likewise.
10417 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10419 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10421 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10423 * alpha-protos.h: PROTO -> PARAMS.
10424 * alpha.c: Likewise.
10426 * h8300.c: Likewise.
10427 * i386-protos.h: Likewise.
10428 * i386.c: Likewise.
10429 * m32r-protos.h: Likewise.
10430 * m32r.c: Likewise.
10431 * mips.c: Likewise.
10432 * mips.md: Likewise.
10433 * gmon-sol2.c: Likewise.
10434 * sparc.c: Likewise.
10436 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10438 * ns32k-protos.h: New file.
10440 * ns32k.c: Fix compile time warnings.
10442 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10445 * ns32k.md: Likewise.
10447 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10449 * vax-protos.h: New file.
10451 * vax.c: Fix compile time warnings.
10453 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10456 * vax.md: Likewise.
10458 * vaxv.md: Likewise.
10460 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10462 * romp-protos.h: New file.
10464 * romp.c: Fix compile time warnings.
10466 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10469 * romp.md: Likewise.
10471 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10473 * we32k-protos.h: New file.
10475 * we32k.c: Fix compile time warnings.
10477 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10480 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10482 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10484 * except.c (eh_regs): Likewise.
10486 * final.c (output_operand): Likewise.
10488 * fold-const.c (target_isinf, target_isnan): Likewise.
10490 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10492 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10493 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10495 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10496 when optimize_size.
10497 (clrstrsi): Rewrite.
10498 (strsethi, strsetqi): New expanders.
10499 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10500 (cmpstrsi): Emit compare insn before cmpstrsi_1
10501 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10502 (strlensi_1): Likewise.
10503 (cmpstrsi_1): Likewise; do not output compare.
10504 (strlen expander): Do not unroll when optimizing for size.
10505 (*subsi3_carry): Rename to subsi3_carry
10506 (addqi3_cc): New pattern.
10507 * i386.h (processor_costs): Add move_ratio field.
10508 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10509 * i386.c (*_cost): Set move_ratio.
10510 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10511 (x86_expand_strlensi_1): Rewrite the main loop.
10513 2000-01-17 Richard Henderson <rth@cygnus.com>
10515 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10516 * cse.c (find_comparison_args, fold_rtx): Likewise.
10517 * integrate.c (subst_constants): Likewise.
10518 * loop.c (get_condition): Likewise.
10520 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10522 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10524 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10526 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10527 (RESTORE_WARN_FLAGS): Unpack it.
10528 Change semantic type of extension to ttype.
10529 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10530 * c-parse.y, c-parse.c, objc/objc-parse.y,
10531 objc/objc-parse.c: Regenerate.
10533 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10535 * fixinc/fixlib.c: Add copyright notice.
10536 (compile_re): New function.
10537 * fixinc/fixlib.h: Prototype compile_re.
10539 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10540 Use compile_re to compile regular expressions.
10542 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10543 where the pattern matched.
10545 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10547 (ultrix_ansi_compat): Likewise.
10548 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10550 (interactv_add2, interactv_add3): Delete.
10551 (x11_sprintf): Don't use filename glob.
10552 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10555 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10557 * print-rtl.c: PROTO -> PARAMS.
10558 * real.c: Likewise.
10559 * reg-stack.c: Likewise.
10560 * resource.c: Likewise.
10561 * sdbout.h: Likewise.
10562 * simplify-rtx.c: Likewise.
10563 * stor-layout.c: Likewise.
10564 * stupid.c: Likewise.
10565 * xcoffout.c: Likewise.
10566 * xcoffout.h: Likewise.
10568 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10570 * toplev.c: PROTO -> PARAMS.
10571 * toplev.h: Likewise.
10572 * tree.c: Likewise.
10573 * tree.h: Likewise.
10574 * unroll.c: Likewise.
10575 * varasm.c: Likewise.
10576 * varray.c: Likewise.
10577 * varray.h: Likewise.
10579 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10581 * reload.c: PROTO -> PARAMS.
10582 * reload.h: Likewise.
10583 * reload1.c: Likewise.
10584 * reorg.c: Likewise.
10585 * resource.h: Likewise.
10588 * rtlanal.c: Likewise.
10589 * sbitmap.h: Likewise.
10590 * sdbout.c: Likewise.
10591 * stack.h: Likewise.
10592 * stmt.c: Likewise.
10593 * system.h: Likewise.
10595 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10597 * machmode.h: PROTO -> PARAMS.
10598 * mbchar.h: Likewise.
10599 * mips-tdump.c: Likewise.
10600 * mips-tfile.c: Likewise.
10601 * optabs.c: Likewise.
10602 * output.h: Likewise.
10603 * prefix.c: Likewise.
10604 * profile.c: Likewise.
10605 * protoize.c: Likewise.
10606 * real.h: Likewise.
10607 * recog.c: Likewise.
10608 * recog.h: Likewise.
10609 * regclass.c: Likewise.
10610 * regmove.c: Likewise.
10611 * regs.h: Likewise.
10613 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10615 * ggc-common.c: PROTO -> PARAMS.
10616 * ggc-page.c: Likewise.
10617 * ggc-simple.c: Likewise.
10619 * global.c: Likewise.
10620 * graph.c: Likewise.
10621 * gthr-win32.h: Likewise.
10622 * haifa-sched.c: Likewise.
10623 * halfpic.h: Likewise.
10624 * integrate.c: Likewise.
10625 * integrate.h: Likewise.
10626 * jump.c: Likewise.
10628 * local-alloc.c: Likewise.
10629 * loop.c: Likewise.
10630 * loop.h: Likewise.
10632 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10634 * genattr.c: PROTO -> PARAMS.
10635 * genattrtab.c: Likewise.
10636 * gencheck.c: Likewise.
10637 * gencodes.c: Likewise.
10638 * genconfig.c: Likewise.
10639 * genemit.c: Likewise.
10640 * genextract.c: Likewise.
10641 * genflags.c: Likewise.
10642 * gengenrtl.c: Likewise.
10643 * genopinit.c: Likewise.
10644 * genoutput.c: Likewise.
10645 * genpeep.c: Likewise.
10646 * genrecog.c: Likewise.
10648 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10650 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10652 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10654 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10655 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10656 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10657 * configure, config.in: Rebuilt.
10659 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10661 * config/i386/i386.md: Add peephole to merge successive stack
10664 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10666 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10667 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10668 when walking backwards to find all the parameter loads when
10669 the basic block ends in a call.
10671 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10673 * loop.c (this_loop_info): Delete.
10674 (uid_loop): Add in place of uid_loop_num. All uses updated.
10675 (loop_number_exit_count): Delete and replace with entry in loop
10676 structure. All uses updated.
10677 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10678 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10679 (loop_outer_loop): Likewise.
10680 (loop_invalid, loop_number_exit_labels): Likewise.
10681 (loop_used_count_register): Delete and replace with entry in
10682 loop_info structure.
10683 (find_and_verify_loops): Add loops argument.
10684 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10685 loop_end, etc. arguments with loop structure pointer. All callers
10687 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10688 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10689 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10690 (insert_bct): Likewise.
10691 (basic_induction_var): New argument level.
10692 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10693 vtop, and cont. Add used_count_register.
10694 (uid_loop): Delete declaration.
10695 (loop_number_exit_count): Likewise.
10696 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10697 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10698 (loop_outer_loop, loop_used_count_register): Likewise.
10699 (loop_invalid, loop_number_exit_labels): Likewise.
10700 (unroll_loop): Replace loop_start and loop_end arguments
10701 with loop structure pointer.
10702 (loop_precondition_p, loop_iterations): Likewise.
10703 Include basic-block.h.
10704 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10705 with loop structure pointer.
10706 (loop_precondition_p, loop_iterations): Likewise.
10707 * basic-block.h (struct loop): New entries vtop, cont,
10708 cont_dominator, start, end, top, scan_start, exit_labels,
10710 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10712 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10714 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10716 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10718 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10720 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10722 * pdp11-protos.h: New file.
10724 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10727 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10730 * pdp11.md: Likewise.
10732 * 2bsd.h: Likewise.
10734 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10736 * mn10300-protos.h: New file.
10738 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10741 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10744 * mn10300.md: Likewise.
10746 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10748 * mn10200-protos.h: New file.
10750 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10753 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10756 * mn10200.md: Likewise.
10758 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10760 * h8300-protos.h: New file.
10762 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10765 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10768 * h8300.md: Likewise.
10770 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10772 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10773 (asm_emit_uninitialised): Likewise.
10775 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10777 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10778 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10780 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10782 * config/mips/mips.c (override_options): Don't turn on extra
10783 alignment for mips16.
10785 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10787 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10788 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10791 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10793 * builtins.c (PAD_VARARGS_DOWN): Define.
10794 (std_expand_builtin_va_arg): Use the above macro.
10795 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10796 * tm.texi (Register Arguments): Document the above macro.
10798 2000-01-14 Nick Clifton <nickc@cygnus.com>
10800 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10801 that this function has not been used to emit a jump
10804 * jump.c (return_jump_1): Cope with being passed a null rtx.
10806 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10808 * eh-common.h: PROTO -> PARAMS.
10809 * emit-rtl.c: Likewise.
10810 * errors.c: Likewise.
10811 * errors.h: Likewise.
10812 * except.c: Likewise.
10813 * except.h: Likewise.
10814 * explow.c: Likewise.
10815 * expmed.c: Likewise.
10816 * expr.c: Likewise.
10817 * expr.h: Likewise.
10818 * final.c: Likewise.
10819 * fix-header.c: Likewise.
10820 * flow.c: Likewise.
10821 * fold-const.c: Likewise.
10822 * function.c: Likewise.
10823 * function.h: Likewise.
10825 * gcov-io.h: Likewise.
10826 * gcov.c: Likewise.
10827 * gcse.c: Likewise.
10829 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10831 * sh-protos.h: New file.
10833 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10834 Add static prototypes. Fix compile time warnings.
10836 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10840 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10842 * arc-protos.h: New file.
10844 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10847 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10850 * arc.md: Likewise.
10852 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10854 * dsp16xx-protos.h: New file.
10856 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10859 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10862 * dsp16xx.md: Likewise.
10864 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10866 * convex-protos.h: New file.
10868 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10871 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10874 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10876 * elxsi-protos.h: New file.
10878 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10881 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10884 * elxsi.md: Likewise.
10886 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10888 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10889 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10890 match the comment for MIPS16.
10892 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10894 * flow.c (split_edge): Do not call set_block_for_insn if we
10895 do not have a basic_block_for_insn structure.
10897 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10898 and destination functions are 32bit aligned within the trampoline.
10899 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10900 (TRAMPOLINE_ALIGNMENT): Define.
10902 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10903 (set (pc) (label_ref)), verify the change creates a valid insn.
10905 * fr30.c (call_operand): Tighten and rework to match rules for
10906 call RTL expressions.
10907 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10908 * fr30.md (call patterns): Improve constraints.
10910 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10912 * fr30.c (fr30_expand_epilogue): Revert last change.
10913 Use emit_jump_insn for the return insn.
10915 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10916 Stan Cox <scox@cygnus.com>
10918 * predict.c: New file. Preliminary infrastructure work for static
10919 branch prediction and basic block reordering.
10920 * basic-block.h: Add prototype for estimate_probability.
10921 * Makefile.in: Add rules for predict.o.
10923 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10925 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10926 * fixinc/*: Likewise.
10928 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10930 * cccp.c: PROTO -> PARAMS.
10931 * cexp.y: Likewise.
10932 * collect2.c: Likewise.
10933 * combine.c: Likewise.
10934 * convert.h: Likewise.
10936 * dbxout.c: Likewise.
10937 * dbxout.h: Likewise.
10938 * diagnostic.c: Likewise.
10939 * doprint.c: Likewise.
10940 * dwarf2out.c: Likewise.
10941 * dwarf2out.h: Likewise.
10942 * dwarfout.c: Likewise.
10943 * dwarfout.h: Likewise.
10944 * dyn-string.h: Likewise.
10946 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10948 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10949 macro conditionals guarding use.
10951 * dwarf2out.c: Include "tm_p.h".
10953 * function.c (locate_and_pad_parm): Mark parameter with
10955 (expand_function_end): Likewise for variable `context'.
10957 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10959 2000-01-13 Nick Clifton <nickc@cygnus.com>
10961 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10962 register to prevent compile time warnings.
10964 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10966 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10967 to avoid -Wtraditional warning.
10969 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10971 * 1750a-protos.h: New file.
10973 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10976 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10979 * 1750a.md: Likewise.
10981 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10983 * a29k-protos.h: New file.
10985 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10988 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10991 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10993 * clipper-protos.h: New file.
10995 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10998 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11001 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11003 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11005 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11007 * configure.in (--enable-new-gxx-abi): New option.
11008 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11009 * Makefile.in (GXX_ABI_FLAG): New variable.
11010 * configure: Regenerate.
11012 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11014 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11015 * tm.texi (FORCE_STRUCT_BLK): Document.
11016 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11018 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11020 * config/ns32k/ns32k.md: Revert Jan 9 change.
11022 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11023 to a mode-test, if the predicate is address_operand.
11025 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11027 * combine.c (if_then_else_cond): Be careful about what kinds
11028 of RTL expressions are passed to operand_subword.
11030 * flow.c (split_edge): If we have to insert a new jump, make
11031 sure to associate it with a basic block.
11033 * flow.c (commit_one_edge_insertion): A block with one successor
11034 can end in a JUMP_INSN that is not a simplejump.
11036 2000-01-12 Robert Lipe <robertl@sco.com>
11038 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11039 (BUILD_VA_LIST_TYPE): Define.
11040 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11043 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11045 * cccp.c (do_pragma): Add cast to (char *).
11047 2000-01-12 Richard Henderson <rth@cygnus.com>
11048 Fred Fish <fnf@be.com>
11049 Jason Merrill <jason@cygnus.com>
11051 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11052 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11053 * i386/beos-elf.h, i386/beos-pe.h: New files.
11055 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11056 * cross-make (SYSTEM_HEADER_DIR): Define using
11057 CROSS_SYSTEM_HEADER_DIR.
11059 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11060 (process_command): Use it.
11061 (main): Likewise. Kill trailing = from env vars.
11062 (build_search_list): Put it back.
11063 * collect2.c (main): Use LIBRARY_PATH_ENV.
11065 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11066 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11068 * tm.texi (Frame Layout): Document SMALL_STACK.
11069 * c-common.c (c_common_nodes_and_builtins): Check it.
11071 * system.h: Undef alloca after including glibc's <stdlib.h>,
11072 if USE_C_ALLOCA is defined.
11074 * gcc.c (set_input): New fn.
11075 (main): After all input files are compiled, reset the input file
11078 * aclocal.m4 (rindex, index): If already defined, don't attempt
11081 * ginclude/varargs.h: (__va_list__): Define ifndef.
11082 * ginclude/stdarg.h: Likewise.
11084 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11085 instead of unsigned char.
11087 * hash.h (true, false, boolean): Undef before enum.
11089 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11090 proper type of "HOST_WIDE_INT *", rather than their natural type of
11091 "unsigned HOST_WIDE_INT *".
11093 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11095 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11097 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11099 * regclass.c (choose_hard_reg_mode): Likewise.
11101 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11103 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11105 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11107 * c-common.c: PROTO -> PARAMS.
11108 * c-common.h: Likewise.
11109 * c-decl.c: Likewise.
11110 * c-iterate.c: Likewise.
11111 * c-lang.c: Likewise.
11112 * c-lex.c: Likewise.
11113 * c-lex.h: Likewise.
11114 * c-parse.in: Likewise.
11115 * c-pragma.c: Likewise.
11116 * c-pragma.h: Likewise.
11117 * c-tree.h: Likewise.
11118 * c-typeck.c: Likewise.
11119 * objc/objc-act.c: Likewise.
11120 * objc/objc-act.h: Likewise.
11122 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11124 * m88k-protos.h: New file.
11126 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11129 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11131 * m88k.md: Likewise.
11133 * tekXD88.h: Likewise.
11135 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11137 * m68k-protos.h: New file.
11139 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11142 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11144 * mot3300.h: Likewise.
11146 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11148 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11150 (extract_bitlist): Declare bitlen.
11152 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11154 * cccp.c: Accept and ignore -lang-fortran.
11156 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11157 qualifiers don't match at any level of pointerness.
11159 2000-01-12 Robert Lipe <robertl@sco.com>
11161 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11163 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11165 * reload1.c (reload_reg_unavailable): New static variable.
11166 (reload_reg_free_p): Test it.
11167 (reload_reg_free_for_value_p): Test it instead of
11169 (choose_reload_regs_init): Compute it.
11171 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11173 * reorg.c (fill_slots_from_thread): Check modified_in_p
11176 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11178 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11179 these nodes even if INTERNALS is not set.
11181 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11183 * gcse.c (delete_null_pointer_checks_1): Cope when
11184 get_condition cannot determine the condition.
11186 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11188 * toplev.h (set_message_length): Declare.
11190 * diagnostic.c (obstack_chunk_alloc): Define macro.
11191 (obstack_chunk_free): Likewise.
11192 (struct output_buffer): New data structure.
11193 (vmessage): Remove.
11194 (output_maximum_width): New variable.
11195 (doing_line_wrapping, set_message_length, init_output_buffer,
11196 get_output_prefix, output_space_left, emit_output_prefix,
11197 output_newline, output_append, output_puts, dump_output,
11198 vbuild_message_string, build_message_string, build_location_prefix,
11199 voutput_notice, output_printf, line_wrapper_printf,
11200 vline_wrapper_message_with_location): New functions. Implement
11201 automatic line wrapping.
11202 (v_message_with_decl): Make it handle automatic line wrapping.
11203 (v_error_with_file_and_line): Likewise.
11204 (v_warning_with_file_and_line): Likewise.
11205 (announce_function): Likewise.
11206 (default_print_error_function): Likewise.
11208 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11210 * cpplib.h (struct cpp_options): Change lang_asm to char.
11212 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11213 done in cpp_handle_option now.
11214 (initialize_builtins): Take out special case code used only by
11216 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11217 if -traditional. Recognize -lang-fortran and set
11218 lang_fortran, also turn off cplusplus_comments.
11219 (print_help): Document -lang-fortran.
11220 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11221 lang_asm. Ignore all directives other than `# 123 "file"' if
11223 (cpp_get_token): If -traditional, don't recognize directives
11224 unless the # is in column 1.
11225 (parse_string): If lang_fortran or lang_asm, silently
11226 terminate strings ('' or "") at end of line.
11227 Remove unnecessary braces.
11229 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11230 Richard Henderson <rth@cygnus.com>
11232 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11234 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11235 strict_low_part when possible.
11237 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11239 * alias.c: PROTO -> PARAMS.
11240 * basic-block.h: Likewise.
11241 * bitmap.c: Likewise.
11242 * bitmap.h: Likewise.
11243 * builtins.c: Likewise.
11244 * c-aux-info.c: Likewise.
11245 * caller-save.c: Likewise.
11246 * calls.c: Likewise.
11248 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11250 * Makefile.in (toplev.o): Depend on regs.h.
11252 * output.h (tdesc_section): Prototype.
11254 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11256 * sdbout.c: Include "tm_p.h".
11258 * toplev.c: Include "regs.h".
11260 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11262 * unroll.c (unroll_loop): Add EH support.
11264 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11266 * pa-protos.h: New file.
11268 * pa.c: Include recog.h and tm_p.h.
11269 (compute_zdepwi_operands, compute_movstrsi_length,
11270 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11271 find_addr_reg, import_milli): Add static prototypes.
11272 (pa_cpu_string, pa_arch_string): Constify a char*.
11273 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11274 (read_only_operand): Add argument `mode'.
11275 (singlemove_string, output_move_double, output_fp_move_double,
11276 output_block_move, output_and, output_ior, output_ascii,
11277 remove_useless_addtr_insns, milli_names, output_mul_insn,
11278 output_div_insn, output_mod_insn, output_arg_descriptor,
11279 output_cbranch, output_bb, output_bvb, output_dbra, ,
11280 output_millicode_call, output_call, hppa_encode_label,
11281 output_parallel_movb, output_parallel_addb): Constify a char*.
11282 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11283 (output_parallel_addb): Remove extra arg to `constrain_operands'
11285 * pa.h: Move all prototypes to pa-protos.h.
11286 (pa_cpu_string, pa_arch_string): Constify a char*.
11287 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11289 * pa.md: Call `function_label_operand' with mode argument.
11290 Likewise for `read_only_operand'.
11291 Fix nesting of parens in call to `symbolic_operand'.
11293 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11295 * i860-protos.h: New file.
11297 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11300 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11302 * i860.md: Likewise.
11304 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11306 * i386.md (movstrsi expander): Rewrite.
11307 (movstrsi_1 insn): Deleted.
11308 (strmovhi, strmovqi expander): New expanders.
11309 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11310 * i386.c (x86_single_stringop): New global variable.
11311 * i386.h (x86_single_stringop): Declare.
11312 (TARGET_SINGLE_STRINGOP): New macro.
11314 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11316 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11317 integer vararg POSTINCREMENT before the destination of the jump
11318 for the hard fp case.
11319 (function_arg_pass_by_reference): Pass a copy of CUM to
11322 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11323 for CONSTANT_ADDRESS_P above while loop for subreg.
11325 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11327 * flow.c (propagate_block): When a prologue/epilogue insn
11328 is marked dead, unconditionally clear libcall_is_dead and
11329 insn_is_dead, and only dump rtl if warnings aren't being
11332 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11334 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11335 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11336 (FIXED_REGISTERS): Set dirflag as fixed.
11337 (CALL_USED_REGISTERS): Set dirflag as used.
11338 (REG_ALLOC_ORDER): Set dirflag as last one.
11339 (DIRFLAG_REG): New macro.
11340 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11341 (HI_REGISTER_NAMES): Add dirflag.
11342 (DEBUF_PRINT_REG): Handle dirflag.
11343 * i386.md (type attribute): New cld and str types.
11344 (length_opcode attribute): Set cld and str to 1.
11345 (memory attribute): Set str to unknown - it is not clear from the
11347 (pent_np function unit): Prefixed string operations takes 12 cycles
11348 minimally; cld takes 2 cycles.
11349 (ppro_uops attribute): Str is "many" and cld is "few".
11350 (ppro_p0 unit): Handle cld here.
11351 (k6_alux unit): Handle cld and str types.
11352 (k6_load unit): It is ocupied by str opcodes.
11353 (k6_store unit): It is ocupied by str opcodes.
11354 (athlon_decode): Str is vector decoded.
11355 (athlon_ieu): Handle str and cld.
11356 (cld pattern): New.
11357 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11358 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11359 cmpstrsi_nz_1 insn): Do not output cld instruction
11361 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11363 * gcc.texi (G++ and GCC): Add Java and Chill.
11364 (Bug Critera): Don't list languages.
11366 * gcc.texi (Incompatibilities): No longer claim most C compilers
11369 * gcc.texi (G++ and GCC): Update other front-ends list.
11371 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11373 * i386.c (ix86_expand_setcc): Fix typo.
11374 (ix86_expand_movcc): Similarly.
11376 * Band-aid until haifa's bitset implementation is nuked.
11377 * haifa-sched.c (extract_bitlst): New parameter for size of the
11378 bitset in bits. All callers changed. Avoid looking at undefined
11379 bits in the bitset.
11380 (edgeset_bitsize): New variable.
11381 (schedule_region): Initialize edgeset_bitsize.
11383 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11385 * Makefile.in (optabs.o): Depend on real.h
11386 (resource.o): Depend on insn-attr.h
11388 * builtins.c (result_vector): Wrap prototype in macro conditions
11389 governing definition and use.
11391 * c-common.c: Include tm_p.h.
11393 * c-lex.c: Likewise.
11395 * elfos.h: Constify a char*.
11397 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11398 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11399 parameter with ATTRIBUTE_UNUSED.
11401 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11404 * haifa-sched.c (schedule_insns): Mark parameter with
11407 * optabs.c: Include real.h.
11409 * real.h (ereal_atof): Add prototype arguments.
11411 * resource.c: Include insn-attr.h.
11413 * sdbout.c (sdbout_queue_anonymous_type,
11414 sdbout_dequeue_anonymous_types): Wrap in macro
11415 SDB_ALLOW_FORWARD_REFERENCES.
11416 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11419 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11421 * stupid.c: Include tm_p.h.
11423 * tree.c (real_value_from_int_cst): Mark parameter with
11426 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11428 * i960-protos.h: New file.
11430 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11433 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11435 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11437 * combine.c (expand_field_assignment): Do not discard SUBREGs
11438 while computing nonzero_bits.
11440 2000-01-09 Nick Clifton <nickc@cygnus.com>
11442 * config/arm/arm.c: Fix compile time warnings about signed vs
11443 unsigned constants.
11444 * config/arm/arm.h: Fix compile time warnings about signed vs
11445 unsigned constants.
11447 2000-01-09 Philip Blundell <philb@gnu.org>
11449 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11450 than `ldm' with only one register.
11451 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11454 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11457 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11459 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11462 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11464 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11465 assignment used as truth value.
11467 * function.c (assign_temp): Mark parameter `dont_promote' with
11468 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11469 PROMOTE_FOR_CALL_ONLY.
11471 * genrecog.c (write_subroutine): Mark variable `operands' with
11474 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11477 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11478 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11480 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11483 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11485 * config/c4x.h: Tidy up comments.
11486 * config/c4x.c: Likewise.
11488 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11490 * fold-const.c (lshift_double, rshift_double): Handle
11491 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11493 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11495 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11496 in prepare_function_start().
11498 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11500 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11501 longer allocate extra stack for function calls.
11503 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11505 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11507 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11509 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11511 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11513 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11514 * aix43.h: Revert Aug 2 change.
11515 (HAS_INIT_SECTION): Define, not visible yet.
11516 (LD_INIT_SWITCH): Define, not visible yet.
11517 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11519 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11521 * collect2.c (main): Expand ld2 size further.
11522 (export_object_lst): Cast assignment to avoid warning.
11523 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11524 (scan_prog_file, COFF): Do not collect initialization or
11525 finalization functions generated for entire shared object if
11526 init/fini support present.
11528 2000-01-07 Nick Clifton <nickc@cygnus.com>
11530 * config/elfos.h: Tidy up formatting of marcos. Make sure
11531 that .section directives are always prefixed by a tab.
11533 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11536 2000-01-07 Matt Austern <austern@sgi.com>
11538 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11541 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11543 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11545 (crtbegin.o, s-crtS): Likewise.
11547 2000-01-06 Richard Henderson <rth@cygnus.com>
11549 * alpha.md (adddi_2+1): Limit offset such that it will be
11550 loadable with a single ldah+lda pair.
11551 (adddi_2+2): Explicitly fail split if we can't make it work.
11553 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11555 * protoize.c: Conditionally include unistd.h.
11556 (IS_SAME_PATH_CHAR): New macro.
11557 (IS_SAME_PATH): New macro.
11558 (CPLUS_FILE_SUFFIX): New macro.
11559 (cplus_suffix): New static variable.
11560 (is_abspath): New static function.
11561 (in_system_include_dir): Handle DOS style pathnames.
11562 (file_could_be_converted): Likewise.
11563 (file_normally_convertible): Likewise.
11564 (directory_specified_p): Likewise.
11565 (file_excluded_p): Likewise.
11566 (abspath): Likewise.
11567 (shortpath): Likewise.
11568 (referenced_file_is_newer): Likewise.
11569 (save_def_or_dec): Likewise.
11570 (do_processing): Likewise.
11572 (edit_file): Likewise. Use rename instead of link.
11573 (rename_c_file): Likewise. Don't rename syscalls file.
11574 (munge_compile_params): Define null device for DOS based systems.
11575 (process_aux_info_file): Use binary mode if appliable.
11576 (edit_file): Likewise.
11577 * invoke.texi (Running Protoize): Document C++ suffixes used.
11579 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11580 IS_DIR_SEPARATOR macros.
11581 * collect2.c: Likewise.
11582 * cppinit.c: Likewise.
11583 * dwarf2out.c: Likewise.
11585 * gcov.c: Likewise.
11586 * prefix.c: Likewise.
11588 * toplev.c: Likewise.
11589 * system.h: And move to here.
11591 * prefix.c (update_path): Fix typo in variable name.
11593 2000-01-06 Richard Henderson <rth@cygnus.com>
11595 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11596 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11597 (count_reg_sets_1, count_reg_references): Likewise.
11598 (flow_loops_level_compute): Start counting actual loop depth at 1.
11599 (flow_loops_find): Likewise.
11600 * local-alloc.c (update_equiv_regs): Likewise.
11601 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11603 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11605 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11606 FIRST_PSEUDO_REGISTER
11607 * dwarf2out.c: Don't include frame.h
11608 * dwarfout.c: Likewise
11609 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11612 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11614 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11617 * i386.c (movsf splitter): Fix typo in my last checkin.
11619 2000-01-05 Nick Clifton <nickc@cygnus.com>
11621 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11622 own definition of this macro.
11623 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11624 flag_data_sections or UNIQUE_SECTION_P are true.
11626 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11627 unitialised data decls.
11629 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11630 being called for uninitialised data.
11632 * config/i386/interix.c (i386_pe_unique_section): Cope with
11633 being called for uninitialised data.
11635 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11636 for uninitialised data.
11638 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11639 for uninitialised data.
11641 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11642 for uninitialised data.
11644 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11645 (UNIQUE_SECTION_P): Always generate a unique section if
11646 flag_data_sections is true.
11647 (UNIQUE_SECTION): Also generate unique sections for
11648 uninitialised data.
11649 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11650 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11653 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11655 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11658 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11660 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11661 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11662 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11663 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11664 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11666 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11668 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11670 * c-decl.c (finish_enum): Simplify code to determine minimum and
11671 maximum values of the enum, and calculate the type. Remove check
11672 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11673 the DECL_INITIAL of each enumeration constant with a copy converted
11674 to the enumeration type. When updating variant types, don't bother
11675 updating the type itself.
11677 * c-typeck.c (build_binary_op): Simplify conditional expressions
11678 when weeding out spurious signed-unsigned warnings. Add new
11679 spurious warning category: if the unsigned quantity is an enum
11680 and its maximum value fits in signed_type(result_type). Update
11682 (build_conditional_expr): Warn here if one alternative is signed
11683 and the other is unsigned.
11685 2000-01-05 Nick Clifton <nickc@cygnus.com>
11687 * config/fr30/fr30.h: Remove extraneous comments.
11689 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11691 * reload1.c (choose_reload_regs): When disabling a reload, also
11692 set reload_spill_index to -1.
11694 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11696 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11698 (m68*-*-rtemself*): New target.
11699 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11700 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11701 (sparc*-*-rtemself*): New target.
11702 (sparc*-*-rtems*): Now elf not a.out.
11703 * config/i386/rtems.h: Include config/rtems.h.
11704 * config/i386/rtemself.h: Include config/rtems.h.
11705 * config/i960/rtems.h: Include config/rtems.h.
11706 * config/m68k/rtems.h: Include config/rtems.h.
11707 * config/m68k/rtemself.h: Include config/rtems.h.
11708 * config/mips/rtems64.h: Include config/rtems.h.
11709 * config/pa/rtems.h: Include config/rtems.h.
11710 * config/rs6000/rtems.h: Include config/rtems.h.
11711 * config/sh/rtems.h: Include config/rtems.h.
11712 * config/sh/rtemself.h: Include config/rtems.h.
11713 * config/sparc/rtems.h: Include config/rtems.h.
11714 * config/sparc/rtemself.h: Include config/rtems.h
11716 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11718 * final.c (shorten_branches): Correctly compute length of
11719 asms without operands.
11721 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11723 * configure.in: Add pj target.
11724 * configure: Regenerate.
11725 * config/pj: New directory.
11726 * config/pj/lib1funcs.S: New file.
11727 * config/pj/linux.h: New file.
11728 * config/pj/pj.c: New file.
11729 * config/pj/pj.md: New file.
11730 * config/pj/pjl.h: New file.
11731 * config/pj/t-pj: New file.
11732 * config/pj/xm-pj.h: New file
11734 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11736 * toplev.c (rest_of_compilation): Run shorten-branches before
11739 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11741 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11742 macros so that they're consistent with their names.
11743 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11744 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11746 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11748 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11749 modified inadvertently.
11751 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11753 * configure.in (v850*-*-rtems*): New target.
11754 * configure: Regenerate.
11755 * config/v850/rtems.h: New file.
11757 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11759 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11760 (__gthread_key_create): Likewise.
11761 (__gthread_key_dtor): Likewise.
11762 (__gthread_once): Fix logic.
11763 (__gthread_key_delete): Cast away constness.
11765 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11766 * invoke.texi: Document.
11767 * i386/mingw32.h (CPP_SPEC): Use.
11768 (LIBGCC_SPEC): Likewise.
11769 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11771 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11773 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11774 (HANDLE_PRAGMA_PACK): Undefine.
11775 (SLOW_UNALIGNED_ACCESS): Define.
11777 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11779 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11780 to default definition.
11781 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11782 (store_fixed_bit_field): Call macro with word_mode and alignment.
11783 (extract_bit_field): Call macro with relevant mode and alignment.
11784 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11785 to default definition.
11786 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11788 (move_by_pieces_ninsns): Likewise.
11789 (clear_by_pieces): Likewise.
11790 (emit_push_insn): Likewise.
11791 (store_field): Call macro with relevant mode and alignment.
11792 (expand_expr): Likewise.
11793 (expand_expr_unaligned): Likewise.
11795 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11796 (SLOW_UNALIGNED_ACCESS): Define.
11797 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11798 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11799 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11800 (toc_section): Likewise and .toc pseudo-op.
11801 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11803 (TEXT_SECTION_ASM_OP): Likewise.
11804 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11807 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11808 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11809 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11810 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11811 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11813 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11815 * regclass.c: Revert my Jan 4 change to loop cost computation.
11817 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11819 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11822 2000-01-04 Stan Cox <scox@cygnus.com>
11824 * haifa-sched.c (build_control_flow): Change unreachable simple
11825 loop test to check if current block has only one predecessor.
11826 (find_rgns): Initialize degree. Use dest as degree index, not src.
11828 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11830 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11832 * calls.c (expand_call): Likewise for
11833 `old_stack_arg_under_construction'.
11835 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11837 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11840 * gcc.c (execute): Likewise for `ut' and `st'.
11842 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11844 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11846 * jump.c (jump_optimize_1): Likewise for `temp2'.
11848 * local-alloc.c (block_alloc): Likewise for `r1'.
11850 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11852 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11853 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11855 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11858 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11859 and `goal_earlyclobber'.
11861 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11863 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11865 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11867 * unroll.c (copy_loop_body): Likewise for `copy'.
11869 * varasm.c (output_constructor): Likewise for `byte'.
11871 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11873 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11874 all FP constants for constant->reg moves.
11875 (ix86_split_to_parts): Try to convert memory address into immediate
11876 when available in the constant pool.
11877 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11879 (LEGITIMATE_CONSTANT_P): Return 1.
11880 * i386.md (pushsf): New splitter to convert constant pool memory
11881 reference to immediate.
11882 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11885 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11887 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11888 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11889 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11890 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11891 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11893 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11895 * ginclude/stdbool.h: Support compilation as C++.
11897 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11899 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11901 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11903 * regclass.c (regclass): Properly compute loop_cost. Adjust
11906 * regclass.c: Fix minor whitespace problems.
11908 2000-01-03 Anthony Green <green@cygnus.com>
11910 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11911 Restore the pic register if required.
11913 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11915 * c-common.c (format_char_info): Update comment.
11916 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11917 was recognized. Emit warning for formats new in ISO C99 only
11918 if flag_isoc9x is not set.
11920 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11922 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11924 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11926 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11927 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11928 (make_compound_operation): Choose cheaper alternative between
11929 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11931 * regclass.c (op_costs): Remove global variable.
11932 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11933 (record_operand_costs): Break out from ...
11934 (scan_one_insn): ... here.
11935 (dump_regclass): Make dumps nicer.
11936 (regclass): Dump preferrences choosed and changes done during passes.
11938 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11940 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11942 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11944 * config/sparc/sparc.c (gen_df_reg): New function.
11945 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11946 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11947 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11948 movtf_cc_reg_sp64+1): Use it.
11950 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11952 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11953 copied LABEL_DECLs.
11955 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11957 * config/i386/i386.c (ix86_expand_unary_operator): Function
11958 definition made void.
11959 (ix86_expand_binary_operator): Update outdated preceding comment.
11960 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11963 * config/i386/i386.c (override_options): Fix option-name typo.
11965 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11967 * system.h (CEIL): Define.
11968 * builtins.c (CEIL): Remove.
11969 * expmed.c (CEIL): Likewise.
11970 * expr.c (CEIL): Likewise.
11971 * stor-layout.c (CEIL): Likewise.
11973 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11975 * expr.c (store_constructor_field): Fix typo introduced with last
11978 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11980 * tree.h (BINFO_N_BASETYPES): New macro.
11982 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11984 * expmed.c (emit_store_flag): Prevent losing a pending stack
11985 adjust the same way we prevent losing queued increments.
11987 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11989 * function.c (update_temp_slot_address): Handle case where sum of
11990 temporary address plus offset in register is a valid address.
11992 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11994 * genrecog.c (change_state) Corrected typo.
11996 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11998 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11999 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12000 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12002 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12004 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12005 case, expand GT comparisons correctly. Fix a comment before this
12008 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12010 * dwarfout.c: Include "frame.h"
12011 * dwarf2out.c: Likewise.
12012 * Makefile.in (dwarfout.o): Depend on frame.h
12013 (dwarf2out.o): Likewise.
12015 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12017 Restore i386 binary compatibility in Dwarf EH info.
12018 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12019 value of FIRST_PSEUDO_REGISTER.
12020 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12021 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12022 * dwarfout.c (output_reg_number): Ditto.
12023 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12024 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12026 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12028 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12029 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12030 (<hack>_RE_CT): not needed
12031 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12032 rewritten to scan the file text once only
12033 "template<..." test added
12034 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12035 (is_cxx_header): declaration added
12036 * fixinc/fixtests.c(is_cxx_header): removed
12037 (apply_fix_p_t): removed
12038 (double_slash_test): is_cxx_header is only called once now
12039 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12040 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12041 within the templates.
12042 The borken spelling of "broken" was fixed.
12043 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12044 The default level depends on FIXINC_DEBUG.
12046 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12048 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12049 Otherwise provide a declaration for atexit.
12050 (init_dummy): Make sure dummy call to atexit is nevertheless
12051 called with correct number of args.
12053 * frame.c: Update comments referring to other files.
12055 * libgcc2.c: Likewise.
12057 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12059 * cse.c (free_element, get_element): Remove unused prototypes.
12061 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12064 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12067 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12069 * configure.in,configure: case arm for mn10200-*-* now sets
12070 float_format=i32 so that float.h will correctly claim "double"
12071 to be 32 bits. Ran autoconf to generate configure from .in file.
12073 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12075 * pa.md (conditional zero): If op1 is a register, force it into
12076 the same register as op0.
12078 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12080 * tree.h (BINFO_BASETYPES): Improve documentation.
12082 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12084 * configure.in (--enable-checking): Use a more portable `for'
12087 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12089 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12090 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12092 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12095 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12096 Delete descriptions.
12098 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12099 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12100 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12101 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12102 xm-svr4.h: Remove all instances of sys_siglist handling.
12104 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12106 * config/sparc/sparc.md (cmp_zero_qi,
12107 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12108 cmp_zero_extendqidi2_andcc_set): New patterns.
12110 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12112 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12113 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12114 (fpgnulib.c, xfgnulib.c): Add rules.
12115 * m68k/t-mot3300-gas: Likewise.
12117 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12119 * configure.in: Avoid [[ by using test and changequote. Add
12120 changequote required by 1999-12-14 change.
12121 * configure: Rebuild.
12123 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12125 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12127 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12129 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12130 * flow.c (find_use_as_address): Likewise.
12131 * function.c (fixup_var_refs_1): Likewise.
12132 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12133 * jump.c (invert_exp, redirect_exp): Likewise.
12134 * loop.c (replace_call_address): Likewise.
12135 (count_nonfixed_reads): Likewise.
12136 * rtlanal.c (modified_between_p): Likewise.
12137 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12138 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12139 * unroll.c (remap_split_bivs): Likewise.
12141 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12143 * diagnostic.c (v_message_with_decl): Use .* format specifier
12144 instead of building the format specifier width manually.
12146 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12147 determining whether to provide a prototype. Remove the
12148 sys_siglist clause in the conditional.
12150 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12152 * fold-const.c (operand_equal_p): Use memcmp to compare string
12154 Suggested by D. J. Bernstein
12156 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12158 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12159 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12161 * config/mips/mips.h (TARGET_64BIT): Likewise.
12162 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12163 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12164 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12165 dsps. Give routines proper names if SI/DI modes are not used.
12166 * longlong.h: Use DWunion instead of DIunion.
12168 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12170 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12171 GC_CHECKING, GC_ALWAYS_COLLECT.
12172 * configure.in: Allow --enable-checking with an argument
12173 listing check modes to enable.
12174 * config.in, configure: Rebuilt.
12175 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12176 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12177 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12178 ENABLE_GC_ALWAYS_COLLECT.
12179 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12181 * tree.h, tree.c: Change ENABLE_CHECKING to
12182 ENABLE_TREE_CHECKING throughout.
12184 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12186 * fold-const.c (fold_truthop): Properly check for FP RHS.
12188 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12190 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12191 * toplev.c (note_deferral_of_defined_inline_function): New
12192 function, split out from ...
12193 (rest_of_compilation): ... here. Use it.
12195 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12197 * expr.c (store_constructor): Don't call clear_storage if size is
12200 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12202 * Makefile.in (toplev.o): Depend on loop.h.
12204 * dwarfout.c: Include tm_p.h.
12206 * emit-rtl.c (restore_emit_status): Mark parameter with
12209 * final.c (final_scan_insn): Likewise.
12211 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12212 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12213 flow_depth_first_order_compute, flow_loop_pre_header_find,
12214 flow_loop_tree_node_add, flow_loops_tree_build,
12215 flow_loop_level_compute, flow_loops_level_compute,
12216 flow_loop_outside_edge_p): Add prototypes.
12217 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12219 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12220 Mark with ATTRIBUTE_NORETURN.
12222 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12224 * local-alloc.c (no_conflict_p): Likewise.
12226 * loop.c (insert_bct): Hide definitions of variables with hidden
12228 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12230 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12231 with ATTRIBUTE_UNUSED.
12232 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12233 (reg_scan): Likewise.
12235 * reload.c (find_reloads): Remove unused variables `changed'.
12237 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12239 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12240 Remove unused variable `insn'.
12242 * toplev.c: Include loop.h.
12243 (report_file_and_line): Remove unnecessary prototype.
12245 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12247 * unroll.c (biv_total_increment): Likewise.
12249 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12251 * reload1.c (emit_input_reload_insns): Restore old behaviour
12252 wrt. 'special' reloads.
12254 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12256 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12257 hash.h. (cse.c): Don't depend on hashtab.h.
12259 * cse.c: Don't include hashtab.h.
12260 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12262 * ggc-simple.c: Don't include hash.h.
12264 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12266 * dwarf2out.c (add_abstract_origin_attribute): Call
12267 gen_abstract_function on our function context.
12269 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12271 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12273 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12275 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12278 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12280 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12281 constraints to "a!r".
12283 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12285 * Makefile.in (calls.o): Depend on function.h.
12286 (alias.o): Likewise.
12288 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12290 * reload1.c (emit_reload_insns): Break out code and variables into...
12291 (input_reload_insns, other_input_address_reload_insns,
12292 other_input_reload_insns, input_address_reload_insns,
12293 inpaddr_address_reload_insns, output_reload_insns,
12294 output_address_reload_insns, outaddr_address_reload_insns,
12295 operand_reload_insns, other_operand_reload_insns,
12296 other_output_reload_insns): ... new static variables, and...
12297 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12298 do_output_reload): ... new functions.
12300 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12302 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12304 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12306 * md.texi: Add c4x constraints documentation.
12308 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12310 * config/i386/dgux.c (struct option): Rename to
12311 lang_independent_option.
12312 (struct m_options): Add description field.
12313 (output_options): Rename option type, add sep declaration, output
12314 ix86_cpu_string and ix86_arch_string only if set.
12315 (output_file_start): Rename option type.
12317 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12319 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12321 (libgcc2.a): Similarly.
12323 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12325 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12326 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12327 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12329 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12331 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12332 Remove redundant initialization of "frexpon" and "expon".
12334 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12336 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12338 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12339 (store_constructor_field, expand_expr): Pass new arg.
12341 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12343 * Makefile.in (explow.o): Depend on function.h.
12345 * stor-layout.c (set_sizetype): Fix typo.
12347 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12349 * function.c (cfun): Renamed from current_function. All users
12351 * function.h (cfun): Rename declaration as well.
12353 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12354 to be of type regset_head, not regset. All users changed by adding
12356 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12358 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12360 * config/c4x/rtems.h: New file.
12362 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12364 * reload1.c (spill_failure): Take class of failed reload as argument
12365 and print it. Caller changed.
12367 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12369 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12370 (TARGET_SWITCHES): Allow subtargets to default switches.
12371 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12373 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12375 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12378 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12380 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12381 * cppinit.c (cpp_handle_option): Likewise.
12383 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12384 determine when to define.
12386 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12388 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12389 cmove with mismatched test and data modes.
12391 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12393 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12396 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12398 * alias.c: Minor reformatting.
12399 * flow.c: Likewise.
12400 * regs.h: Likewise.
12401 * stor-layout.c: Likewise.
12402 * fold-const.c: Likewise.
12403 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12404 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12406 (size_int_wide): Cache nodes even if garbage collecting.
12407 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12408 of SAVE_EXPR has no side effects.
12409 * cse.c: Move a comment.
12410 * tree.c: Minor reformatting.
12411 (int_size_in_bytes): Return -1 if constant overflows.
12413 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12415 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12417 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12419 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12420 after any change to c-parse.in, even if objc-parse.y didn't
12423 1999-12-18 David S. Miller <davem@redhat.com>
12425 * toplev.c (rest_of_compilation): Restore BLOCK tree
12426 reconstruction and branch shortening changes lost in
12427 December 18th change.
12429 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12431 * config/arm/linux-elf.h: Change all instances of
12432 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12433 * config/arm/uclinux-elf.h: Likewise.
12435 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12437 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12438 v_message_with_decl, file_and_line_for_asm,
12439 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12440 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12441 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12442 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12443 pfatal_with_name, fatal_io_error, need_error_newline,
12444 last_error_function, last_error_tick, announce_function,
12445 default_print_error_function, print_error_function,
12446 report_error_function, fnotice, error_with_file_and_line,
12447 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12448 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12449 warning_with_decl, warning_for_asm, warning, pedwarn,
12450 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12452 (compile_file): Use fnotice instead of notice. Adjust call.
12454 * diagnostic.c: New file.
12456 * Makefile.in (OBJS): Include diagnostic.o
12457 (diagnostic.o): Define dependence.
12459 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12461 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12464 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12466 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12468 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12470 * fixtests.c (is_cxx_header): New fn, split out of
12472 (else_endif_label): Allow "#endif // comment" in C++ headers,
12473 as determined by is_cxx_header.
12474 * fixfixes.c (else_endif_label_fix): Update comment.
12475 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12477 * genfixes: Correct double thinko in commandline parsing.
12478 * hackshell.tpl: Generate correct sh syntax for bypass
12481 * inclhack.def (all): Whenever an inserted preprocessor
12482 conditional is split over multiple lines, use double
12483 backslashes in this file so the fixed header will be readable.
12485 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12486 and add bypass entry for correct version of this header.
12487 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12488 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12490 (hpux8_bogus_inlines): New fix, split from...
12491 (ultrix_atof_param) ... here.
12492 (math_expression): Add bypass entry keyed to glibc comment
12493 indicating the problem has been dealt with; disable
12494 unnecessary sed operations; update commentary.
12495 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12496 add select and bypass entries, simplify shell operation.
12497 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12499 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12500 ultrix_atof_param): Add select entry.
12501 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12502 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12503 comments with the fixes they describe.
12505 * c-parse.in (string action): Do not warn about ANSI string
12506 concatenation in system headers. Affects C parser only.
12507 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12509 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12511 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12512 compiling libgcc2 the macro depends always on arch cpp defines.
12514 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12516 * loop.c (insert_loop_mem): Don't record MEMs from inside
12519 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12521 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12523 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12524 notes too, create one when replacement failed, attempt to simplify
12526 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12527 or REG_EQUIV notes.
12529 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12531 * crtstuff.c (__dso_handle): Declare.
12532 (__cxa_finalize): Likewise.
12533 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12536 * invoke.texi: Document -fuse-cxa-atexit.
12538 * tree.h (ptr_type_node): Document.
12539 (const_ptr_type_node): Likewise.
12541 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12543 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12544 (optimize_reg_copy_2): Likewise.
12545 (optimize_reg_copy_3): Likewise.
12546 (fixup_match_2): Likewise.
12547 (regmove_optimize): Likewise.
12548 (fixup_match_1): Liekwise.
12550 * i386.md (HI to SImode promoting splitters): Rewrite.
12551 (pushsf mem peep2): New.
12552 (testhi to andhi peep2): Remove.
12553 * i386.h (x86_promote_QImode): New.
12554 (TARGET_PROMOTE_QImode): New.
12555 (PREDICATE_CODES): Add promotable_binary_operator.
12556 * i386.c (x86_promote_QImode0: New.
12557 (promotable_binary_operator): New.
12558 * i386-protos.h (promotable_binary_operator): New.
12560 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12562 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12564 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12566 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12567 * function.c (insert_block_after_note): Remove.
12568 (retrofit_block): Likewise.
12569 (identify_blocks): Fix indentation.
12570 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12571 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12572 * function.h (insert_block_after_note): Remove prototype.
12573 (retrofit_block): Likewise.
12574 * integrate.c (expand_inline_function): Don't call
12575 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12576 just expand_start_bindings. Use the block_map to remap old
12577 NOTE_BLOCKs to new ones.
12578 (integrate_decl_tree): Keep track of remapped blocks.
12579 * integrate.h (struct inline_remap): Add block_map.
12580 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12581 NOTE_BLOCK on the notes.
12582 (expand_start_bindings): Rename to ...
12583 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12584 (expand_end_bindings): Set NOTE_BLOCK.
12585 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12586 reconstruct the BLOCK tree.
12587 * tree.h (expand_start_bindings): Macroize. Call ...
12588 (expand_start_bindings_and_block): New function.
12590 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12592 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12593 to match the format.
12595 1999-12-16 David S. Miller <davem@redhat.com>
12597 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12598 the outputs is a SUBREG.
12599 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12602 * config/sparc/sparc.c (epilogue_renumber): Add default case
12605 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12607 * toplev.c (rest_of_compilation): Run branch shortening after
12610 * regclass.c (loop_depth): Remove
12611 (scan_one_insn): Do not handle LOOP_NOTE insns.
12612 (regclass): Go through basic blocks and set loop_cost
12614 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12616 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12618 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12620 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12621 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12622 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12624 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12626 * loop.c (insert_loop_mem): Ignore memory clobbers.
12628 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12631 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12633 * profile.c: Remove redundant #include "output.h".
12635 * h8300.md (HImode preinc peephole): Fix typo.
12637 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12639 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12640 (insert_block_after_note): Abort if we don't have a previous block.
12641 Remove FN parameter.
12642 * function.h: Adjust.
12644 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12646 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12647 argument more than once.
12649 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12651 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12653 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12655 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12657 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12659 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12660 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12661 update stack_alignment_needed.
12662 (prepare_function_start): Initialize stack_alignment_needed
12663 * function.h (struct function): Add field stack_alignment_needed.
12665 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12667 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12668 Handle live_throughout / dead_or_set instead of live_before /
12670 (save_call_clobbered_regs): Get register livenessinformation from
12671 chain->live_throughout.
12672 (add_stored_regs): New function.
12673 (insert_restore, insert_save): Add restored / saved registers to
12675 * global.c (reg_dies): New parameter chain.
12676 (reg_becomes_live): Third parameter is regs_set now.
12677 Changed all callers.
12678 (reg_dies): New parameter chain. Changed all callers.
12679 (build_insn_chain): Set live_throughout instead of
12680 live_before / live_after.
12681 * reload.h (struct insn_chain): Replace members live_before /
12682 live_after with live_throughout / dead_or_set.
12683 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12684 instead of live_before / live_after.
12685 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12686 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12687 (choose_reload_regs_init): Likewise.
12688 * stupid.c (current_chain, find_clobbered_regs): Delete.
12689 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12690 instead of chain->live_before / chain->live_after.
12691 (mark_hard_ref): New function.
12692 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12694 1999-12-15 David S. Miller <davem@redhat.com>
12696 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12698 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12700 * flow.c (calculate_loop_depth): Make global, remove prototype,
12701 rewrite to use new loop infrastructure.
12702 (find_basic_block): Remove calculate_loop_depth call.
12703 * toplev.c (rest_of_compilation): Call find_basic_block.
12704 * output.h (calculate_loop_depth): Declare.
12706 * flow.c (dump_flow_info): Dump loop_depth.
12707 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12709 (flow_loops_find): Initialize the loop_depth for each basic block.
12711 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12713 * tree.c (decl_function_context): Handle virtual functions.
12715 * tlink.c (scan_linker_output): Don't look in demangled name when
12716 looking for linker output keywords.
12718 * dwarfout.c (output_type): We can defer namespace-scope classes.
12720 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12722 * regclass.c (record_reg_classes): Update comment for merging
12723 register class preferences in reg->reg copies. Tighten conditions
12724 for merging register class preferences in reg->reg copies.
12726 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12728 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12730 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12732 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12733 (INIT_SECTION_ASM_OP): Delete.
12734 (FINI_SECTION_ASM_OP): Delete.
12735 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12737 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12739 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12740 the abstract origin wasn't emitted.
12742 * dwarf2out.c (class_scope_p): New fn.
12743 (gen_subprogram_die): Use it.
12744 (gen_variable_die): Use it. Tweak logic.
12745 (gen_struct_or_union_type_die): Check context_die to determine
12746 if we're function-local.
12747 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12749 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12751 * loop.c (check_dbra_loop): Can't reverse a biv that has
12752 maybe_multiple set.
12754 1999-12-14 Nick Clifton <nickc@cygnus.com>
12756 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12759 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12761 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12762 for givs made from biv increments.
12764 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12766 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12767 * alpha.c (override_options): Recognize -mcpu=ev67.
12768 * alpha.h (CPP_CPU_EV67_SPEC): New.
12769 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12770 (EXTRA_SPECS): Update.
12772 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12774 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12775 appropriate for -lang-c89 and -std=*.
12776 * cppinit.c (cpp_handle_option): Likewise.
12777 (new_pending_define): New, split out from cpp_handle_option.
12778 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12779 or enable trigraphs for -ansi/-std=*.
12781 * ginclude/stdarg.h (__va_copy): New.
12782 (va_copy): Don't define for C89.
12784 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12786 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12787 for long long multiply-accumulate.
12789 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12791 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12792 optimizing for size.
12794 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12796 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12797 if something changed. Back out that part of yesterday's changes.
12799 * loop.c (loop_max_reg): New static variable.
12800 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12802 (scan_loop): Call reg_scan_update whenever we may have added new
12803 registers, and update loop_max_reg.
12805 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12807 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12808 when source does not die.
12810 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12812 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12814 * config/sparc/linux64.h (TARGET_LIVE_G0,
12815 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12817 * config/sparc/linux.h (TARGET_LIVE_G0,
12818 TARGET_BROKEN_SAVERESTORE): Likewise.
12819 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12820 TARGET_BROKEN_SAVERESTORE): Likewise.
12822 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12823 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12825 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12826 as sparc64 block profiling register.
12827 * config/sparc/sparc.c (sparc_override_options): Allow block
12828 profiling with -m32.
12829 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12830 profiling register.
12831 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12832 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12833 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12835 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12837 * config/sparc/sparc.h: Likewise.
12838 * config/sparc/xm-sysv4-64.h: Likewise.
12839 * config/float-sparc.h: Likewise.
12840 * glimits.h: Likewise.
12841 * longlong.h: Likewise.
12843 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12844 (ASM_IDENTIFY_GCC): Remove.
12846 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12848 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12849 (simplify_logical): Likewise.
12851 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12853 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12854 * cppfiles.c (INO_T_EQ): Likewise.
12856 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12858 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12859 * i386/mingw32.h (LIB_SPEC): Likewise.
12860 (STARTFILE_SPEC): Likewise.
12861 * i386/uwin.h (LIB_SPEC): Likewise.
12862 (STARTFILE_SPEC): Likewise.
12864 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12865 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12867 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12869 * combine.c (combine_simplify_rtx): Fix order of checks for
12870 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12872 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12874 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12875 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12877 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12879 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12881 * regclass.c (inv_reg_alloc_order): New array.
12882 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12884 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12885 counted_for_groups, counted_for_nongroups. Add fields rld and
12887 * reload.c (push_secondary_reload): Don't set nongroup field of
12889 (push_reload): Likewise.
12890 (find_reloads): Delete code to compute nongroup fields.
12891 * reload1.c (reload_insn_firstobj): New static variable.
12892 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12894 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12895 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12896 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12898 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12900 (struct hard_reg_n_uses): Deleted.
12901 (potential_reload_regs): Deleted.
12902 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12903 (reload): Don't try to allocate reload registers if we already know
12904 we have to make another pass. Call select_reload_regs. Free memory
12905 starting with reload_firstobj when starting another pass.
12906 Don't allocate spilled_pseudos.
12907 (calculate_needs_all_insns): Call copy_reloads for an insn that
12908 needs reloads; don't call calculate_needs.
12909 (spill_cost): New static array.
12910 (used_spill_regs_local): New static variable.
12911 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12912 to compute potential_reload_regs.
12913 (find_reload_regs): Completely rewritten to use find_reg.
12914 (allocate_reload_reg): Don't test counted_for_groups or
12915 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12916 all cllers changed.
12917 (choose_reload_regs): Add fallback code that uses the existing
12918 register allocation from find_reload_regs.
12920 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12922 * flow.c (create_edge_list): Cast xmalloc return value.
12924 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12926 * doprnt.c: Remove incorrect comment closure.
12928 * cse.c: Fix a few minor whitespace goofs.
12930 1999-12-13 Don Bowman <don@pixstream.com>
12932 * mips/vxworks.h: Fix problem with comment termination.
12933 (EXTRA_SECTIONS): Add in_sbss.
12934 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12936 1999-12-12 David S. Miller <davem@redhat.com>
12938 * cse.c (struct cse_reg_info): Add hash_next member,
12939 reorder rest of struct for better packing on 64-bit
12941 (cse_reg_info_tree): Kill.
12942 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12943 REGHASH_FN): New custom pow2 hash mechanism.
12945 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12946 use a pow2 hash table.
12947 (get_cse_reg_info): Rework to use new REGHASH.
12948 (new_basic_block): Likewise, use HASH_SIZE, and inline
12950 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12951 and inline free_element call.
12952 (lookup_as_function, insert, flush_hash_table, invalidate,
12953 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12954 invalidate_for_call, use_related_value, find_comparison_args,
12955 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12956 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12957 get_element): Kill.
12959 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12961 * cse.c (cse_basic_block): Free qty_table consistently.
12963 1999-12-12 David S. Miller <davem@redhat.com>
12964 Jakub Jelinek <jakub@redhat.com>
12966 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12967 SUBREGs by hand, gen the appropriate hard reg directly.
12968 (movtf reg/mem split): Likewise and alter_subreg on destination
12970 (movtf mem/reg split): Similarly.
12971 (movdf_cc_sp64): Rename from hidden pattern.
12972 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12973 (movtf_cc_sp64, following split): New pattern and splitter.
12974 (movdf_cc_reg_sp64): Rename from hidden pattern.
12975 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12977 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12979 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12981 * loop.c (load_mems): Don't hoist written floating point mem
12984 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12986 * except.h (struct eh_queue): Add `next' pointer.
12987 (struct eh_status): Make x_ehqueue a pointer.
12988 (push_ehqueue): Declare.
12989 (pop_ehqueue): Likewise.
12990 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12992 (expand_fixup_region_end): Likewise.
12993 (expand_leftover_cleanups): Likewise.
12994 (push_ehqueue): Define.
12995 (pop_ehqueue): Likewise.
12996 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12997 than doing it inline.
12998 (expand_start_all_catch): Adjust now that ehqueue is a
13000 (mark_eh_queue): Mark all level of the queue.
13001 (mark_eh_status): Adjust now that ehqueue is a
13003 (init_eh_for_function): Allocate ehqueue.
13004 (free_eh_status): Free it.
13005 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13006 expansion for a fixup.
13008 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13010 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13012 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13013 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13014 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13015 function_ptr, getpagesize, __enable_execute_stack,
13016 __enable_execute_stack, __clear_insn_cache,
13017 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13018 _cleanup, _exit, __default_terminate, __terminate_func,
13019 __terminate, __empty, __throw, new_eh_context,
13020 eh_context_initialize, eh_context_static, eh_context_specific,
13021 get_eh_context, __get_eh_context, __get_eh_info,
13022 init_reg_size_table, eh_threads_initialize,
13023 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13024 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13025 __pure_virtual): Add prototype arguments.
13026 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13027 Cast a signed value to unsigned long when comparing against one.
13028 (new_eh_context): Wrap in _GTHREADS macro.
13029 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13031 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13032 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13034 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13036 * combine.c (record_promoted_value): Remove unused variable
13039 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13041 * global.c (record_conflicts): Likewise for `j'.
13043 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13046 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13048 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13049 output_fp_compare): Constify a char*.
13051 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13053 (override_options, ix86_comp_type_attributes, print_operand,
13054 output_387_binary_op, output_fix_trunc, output_fp_compare):
13056 (ix86_sched_reorder): Mark parameter `clock_var' with
13059 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13061 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13063 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13064 operand, for use in the Java front-end.
13066 1999-12-10 Ben Collins <bcollins@debian.org>
13068 * configure.in: Fix typo for "-64" in 64bit as check.
13069 * configure: Rebuilt.
13071 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13073 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13076 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13078 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13079 concatenation is utilized.
13081 * invoke.texi (-Wtraditional): Document it.
13083 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13085 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13086 Cast a ptrdiff_t to long and pass it to printf with %ld.
13088 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13090 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13091 68881, we have no 68881 registers at all.
13092 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13093 value in a 68881 register if it is available.
13095 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13097 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13098 for long long multiply-accumulate.
13100 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13102 * loop.c (insert_loop_mem): Undo last change.
13104 1999-12-10 David S. Miller <davem@redhat.com>
13106 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13108 * config/sparc/sparc-protos.h: Add them.
13109 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13110 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13111 constraints which use those helpers.
13112 (EXTRA_CONSTRAINT): Use this new macro.
13113 * md.texi: Update sparc target constraints documentation.
13114 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13115 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13116 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13117 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13118 (movsf high/lo_sum split): Rework for new patterns.
13119 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13121 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13123 * c-common.c (c_common_nodes_and_builtins):
13124 Create __builtin_ptrdiff_t and __builtin_size_t.
13126 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13128 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13130 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13132 * regclass.c (globalize_reg): Re-instate test that allows
13133 fixed registers to be declared as a variable even after functions
13136 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13138 * i386.md (cpu attribute): Add "athlon".
13139 (athlon_decode): New attribute.
13140 (Athlon scheduling units definitions): New.
13141 (fcmp and shld patterns): Set athlon_decode to "vector".
13142 * i386.c (athlon_cost): New.
13144 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13145 x86_use_sahf): Set for Athlon.
13146 (x86_use_fiop): Unset for Athlon.
13147 (override_options): Define Athlon alignments and "athlon" name.
13148 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13149 * i386.h (TARGET_ATHLON): New.
13150 (enum processor_type): Add PROCESSOR_ATHLON.
13151 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13153 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13155 1999-12-09 Andreas Jaeger <aj@suse.de>
13157 * loop.c (record_biv): Declare parameter as int.
13159 * config/i386/i386-protos.h: Declare long_memory_operand.
13161 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13163 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13164 EXPR_WITH_FILE_LOCATION.
13166 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13168 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13171 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13173 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13176 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13178 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13179 default on linux64 again.
13180 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13181 models for multilibing.
13182 * genmultilib: Accept | as alternative separator within a set in
13185 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13187 * calls.c (precompute_arguments): Make sure initial_value contains
13188 value pseudo which CSE expects.
13189 * cse.c (struct set): New entry orig_src.
13190 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13193 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13195 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13197 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13199 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13201 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13203 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13204 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13206 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13209 * longlong.h: Merge in changes from glibc.
13210 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13211 -mno-app-regs libgcc can be compiled.
13212 * libgcc2.c: Add defines so that the updated longlong.h
13213 can be used in libgcc2.a. Also, make sure on most architectures
13214 (at least on all which have optimized code in longlong.h defined
13215 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13217 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13219 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13220 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13221 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13223 * configure: Rebuilt.
13225 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13227 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13228 outputs require a register.
13230 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13232 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13233 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13234 functions like dptoul will be resolved.
13235 (libgcc2.a): Make sure that the object files from DPBIT are named
13236 differently (prefix `_dp') from those that would be coming from
13239 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13241 * configure.in: When target is sparc* and tm_file contains 64,
13242 test for 64bit support in assembler. If not supported, remove
13243 sparc/t-sol2-64 from target-dependent Makefile fragments.
13244 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13245 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13246 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13247 * acconfig.h (AS_SPARC64_FLAG): Added.
13248 * configure, config.in: Rebuilt.
13249 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13250 support. Use AS_SPARC64_FLAG.
13252 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13254 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13255 suitable for holding OFmode values so that gcc works with complex
13257 (hard_64bit_mode_classes): Likewise.
13259 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13260 so that it is actually matched.
13261 (sethi_di_medlow): Likewise.
13263 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13264 as legitimate constant if -mvis.
13265 * config/sparc/sparc.md (movtf): Likewise.
13266 (clear_sf): Use const_double_operand.
13267 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13269 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13270 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13271 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13272 routines, _Qp_* cannot be handled like that now.
13273 (INIT_TARGET_OPTABS): Likewise.
13274 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13275 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13276 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13277 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13278 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13279 divtf3, sqrttf3): New expanders.
13280 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13281 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13282 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13285 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13286 * configure: Rebuilt.
13287 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13288 -mcpu is given and we're doing 64bit compiles.
13290 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13292 * loop.h (struct induction): Add multi_insn_incr.
13293 * loop.c (basic_induction_var): New multi_insn_incr argument.
13294 Set it if we search back through previous insns for the biv.
13295 (record_biv): New multi_insn_incr argument; fill in struct induction.
13296 (strength_reduce): Discard an iv with multiple bivs, any of
13297 which require multiple insns to increment.
13299 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13301 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13304 1999-12-06 David S. Miller <davem@redhat.com>
13306 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13307 PROMOTE_FUNCTION_RETURN.
13309 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13311 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13312 and handle REG_UNUSED note on insn.
13314 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13315 inner_mask instead of mask.
13317 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13319 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13320 zero if there was an error.
13322 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13324 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13327 * longlong.h: Fix clobbers in SPARC asm statements.
13329 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13330 valid sethi operations when TARGET_ARCH64.
13332 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13333 always use move_by_pieces to avoid infinite recursion.
13334 (restore_fixed_argument_area): Likewise.
13336 * combine.c (check_promoted_subreg, record_promoted_value): New
13338 (combine_instructions): Use them to retain nonzero and sign bit
13339 information after SUBREGs are eliminated by optimizations in
13340 this pass if PROMOTE_FUNCTION_RETURN.
13342 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13343 .register declaration. Don't use variables with __ prefixes.
13345 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13347 * fold-const.c (optimize_bit_field_compare): Only use one mode
13348 for both RHS and LHS in non-constant case.
13350 1999-12-06 Nathan Sidwell <nathan@acm.org>
13352 * frame.c (start_fde_sort): Only allocate erratic array, if
13353 linear one was allocated. Return allocated flag.
13354 (fde_insert): Only insert, if there's a valid array.
13355 (fde_end_sort): Split, sort and merge if linear and erratic
13356 arrays exist, else just sort linear one.
13357 (search_fdes): New function. Linear search through original fde
13359 (frame_init): Permit multiple initializations. Cope with
13361 (find_fde): Fallback on linear search, if failed to sort array.
13362 (__deregister_frame_info): Only free sorted array, if we
13365 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13367 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13369 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13371 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13373 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13375 * tree.h (special_function_p): Declare.
13376 * calls.c (special_function_p): Make it global. Don't take `name'
13377 as a parameter. Fix typo in 1999-11-28 change.
13378 (expand_cal): Adjust.
13380 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13382 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13383 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13384 EXPR_WFL_FILENAME_NODE.
13385 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13387 * print-tree.c (print_note): Print TREE_PRIVATE and
13390 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13391 the original die cannot be found.
13393 * varray.h (varray_head_tag): Add elements_used.
13394 (VARRAY_PUSH): New macro.
13395 (VARRAY_POP): Likewise.
13396 (VARRAY_TOP): Likewise.
13397 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13399 * varray.c (varray_init): Initialize elements_used.
13400 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13401 (INTEGRATE_H): New variable.
13402 (integrate.o): Depend on INTEGRATE_H.
13403 (unroll.o): Likewise.
13405 * function.h (insert_block_after_note): Declare.
13406 * function.c (insert_block_after_note): Split out from ...
13407 (retrofit_block): ... here.
13409 * stmt.c (expand_fixup): Fix typo in comment.
13411 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13413 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13414 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13415 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13416 (regmove_optimize, fixup_match_1): Likewise.
13418 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13420 * flow.c (flow_loops_dump): Add missing argument when calling
13421 flow_loop_nested_p.
13423 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13424 Greg McGary <gkm@gnu.org>
13426 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13427 (init_attributes): Add A_NO_LIMIT_STACK.
13428 (decl_attributes): Handle A_NO_LIMIT_STACK.
13429 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13430 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13431 Handle stack bounds checking.
13432 * flags.h (flag_stack_check): Use the word 'probe' rather than
13433 'check', because the flag doesn't actually cause any checking to
13435 * function.c (expand_function_start): Set
13436 current_function_limit_stack.
13437 * function.h (struct function): Add limit_stack.
13438 (current_function_limit_stack): Define.
13439 * invoke.texi (Code Gen Options): Document new options.
13440 * rtl.h: Declare stack_limit_rtx.
13441 * toplev.c (stack_limit_rtx): New variable.
13442 (decode_f_option): Handle new options -fstack-limit-register=REG,
13443 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13444 (main): Add stack_limit_rtx as GC root.
13445 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13446 (struct tree_decl): New member no_limit_stack.
13448 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13450 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13451 (conditional_trap+1): Get new mnemonic correct.
13452 (conditional_trap+2): New pattern for DImode traps.
13454 * config/m68k/m68k.c (output_function_prologue): Handle
13456 * config/m68k/m68k.md (trap): New insn.
13457 (conditional_trap): New insn.
13458 * md.texi (Standard Names): Document `trap' and
13459 `conditional_trap'.
13460 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13461 so a cc0 setter doesn't get emitted at some random place in the
13464 * config/i960/i960.md (trap): New insn.
13465 (conditional_trap): New expander.
13466 (conditional_trap+1, conditional_trap+2): New insns for signed
13467 and unsigned cases.
13468 * config/i960/i960.c (i960_function_prologue): Use
13469 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13471 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13472 Geoffrey Keating <geoffk@cygnus.com>
13474 * flags.h (warn_padded, warn_packed): Add global var decls.
13475 * toplev.c (warn_padded, warn_packed): Add global var defns.
13476 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13477 * stor-layout.c (layout_record): Add local variable `type'
13478 to hold often-used TREE_TYPE (field). Add local variable
13479 `unpacked_align' to hold alignment that would be in force
13480 if no `packed' attribute were present. Warn if `packed' attribute
13481 is unnecessary, or even harmful. Warn when gcc inserts padding
13482 to satisfy alignment requirements of members. Use NULL_TREE
13483 when checking whether var_size is set.
13484 * invoke.texi: Document new flags.
13486 1999-12-03 Nathan Sidwell <nathan@acm.org>
13488 * frame.c (fde_split): Reimplement to avoid variable sized array.
13490 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13492 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13493 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13495 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13497 * invoke.texi: Document the mips option -mno-crt0
13499 1999-12-02 Mike Karr <mkarr@mathworks.com>
13501 * cccp.c (argdata): Added free_ptr member.
13502 (macroexpand): Initialize free_ptr of each argument. When an
13503 argument's buffers are freed, if the argument's free_ptr corresponds
13504 to a buffer on the input stack, then return the free_ptr to that stack
13505 frame, otherwise, free it.
13506 (macarg): If an argument begins and ends on the same input stack level,
13507 then transfer the free_ptr of that buffer to the argument in case
13508 the stack is popped during the processing of a subsequent argument.
13510 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13512 * loop.c (note_reg_stored): New function.
13513 (struct note_reg_stored_arg): New structure.
13514 (try_copy_prop): Change to be more conservative; only replace within
13515 one extended basic block and stop replacing if a store to the
13516 replacement reg is seen.
13518 1999-12-02 Nick Clifton <nickc@cygnus.com>
13520 * config/fp-bit.c: Initialise all fields of the NAN
13523 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13526 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13528 * i386.md (extend?f?f2): Force the input into a register, not
13531 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13533 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13535 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13536 alternative because setting up 64bit constant is usually costly,
13537 especially when reload is in progress or completed.
13538 (movdf_const_intreg_sp64): Likewise.
13539 (movdf_const_intreg split): Fix building up constants when
13540 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13542 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13544 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13545 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13548 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13549 (asm_file_start): Emit .am33 into assembly file when compiling for
13551 (print_operand_address): Handle POST_INC addresses.
13552 (can_use_return_insn, initial_offset): Check AM33 registers too.
13553 (expand_prologue): Check & save AM33 registers too.
13554 (expand_epilogue): Similarly.
13555 (secondary_reload_class): Handle AM33 specific secondary reloads.
13556 (output_tst): Emit efficient code for the AM33 too.
13557 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13558 (TARGET_SWITCHES): Add -mam33 switch.
13559 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13560 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13561 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13562 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13563 (enum reg_class, REG_CLASS_NAMES): Likewise.
13564 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13565 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13566 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13567 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13568 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13569 (HAVE_POST_INCREMENT): Define.
13570 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13571 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13572 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13573 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13574 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13575 (zero_extend to SI from QI/HI): Likewise.
13576 (sign_extend to SI from QI/HI): Likewise.
13577 (mulsidi3, umulsidi3): New patterns for the AM33.
13578 (tstsi with zero extension from QI/HI): Add AM33 variants.
13579 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13580 (return_internal_regs, store_movm): Handle new AM33 registers.
13581 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13582 (LIBGCC, INSTALL_LIBGCC): Likewise.
13583 * invoke.texi: Document new flags.
13585 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13587 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13588 (addsi3_carry): Likewise.
13589 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13590 (sbbsi3_carry): Likewise.
13591 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13592 (mulhi3): Likewise.
13593 (test?i_1): Ensure that only one operand is memory.
13594 (conditional move patterns): likewise.
13595 (shift and rotate patterns): Rewrite to expander, add
13596 "binary_operator_ok" to the condition.
13598 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13599 * i386.h (procesor_costs): Add movzbl_load field.
13600 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13601 non-Q registers, accept DImode registers anywhere.
13603 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13604 * i386.c (*_cost): Set value for movxbl_load field.
13606 * (addsi): New add to lea splitter.
13607 (ashlsi): Likewise.
13608 (lea to add/shift peep2): New.
13610 1999-12-01 Mark Salter <msalter@cygnus.com>
13612 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13613 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13614 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13616 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13618 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13619 * i386.md (movsi_xor): New.
13621 (movsi_1, movhi_1, movqi_1): Remove.
13622 (movsi_2): Rename to movsi_1.
13623 (movhi_2): Rename to movhi_1.
13624 (movqi_2): Rename to movqi_1.
13625 (movdi_1): Remove; remove splitter.
13626 (movdi_2): Rename to movdi_1.
13627 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13628 (long move peep2): Do not create QI or HI mode mov0s
13629 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13631 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13634 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13635 (abs?f2_if): Likewise.
13637 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13639 * ggc.h (ggc_test_and_set_mark): New macro.
13640 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13641 (ggc_mark_tree): Likewise.
13642 (ggc_mark_rtvec): Likewise.
13643 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13645 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13647 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13649 (decl_scope_table): Just an array of trees now.
13650 (push_decl_scope): Simplify.
13651 (dwarf2out_init): Adjust.
13652 (local_scope_p): New fn.
13653 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13654 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13655 (gen_typedef_die): Likewise.
13656 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13657 (gen_inlined_subroutine_die): Likewise.
13658 (gen_abstract_function): Set current_function_decl temporarily.
13659 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13660 Handle block extern declarations. Don't call push/pop_decl_scope.
13661 (gen_decl_die): Fix logic for block externs.
13663 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13665 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13666 to the list of functions which have attribute malloc by default.
13668 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13670 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13671 integer constant does not match the traditional type, limit the
13672 warnings to cases where the base of the type is ten.
13674 * invoke.texi (-Wtraditional): Document it.
13676 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13678 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13679 * rs6000.md: Only access a CONST_INT with INTVAL
13681 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13683 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13684 (compute_nearerout): Likewise.
13685 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13686 size_t to unsigned long for formatting.
13688 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13690 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13691 Allow the user to override call-used/fixed state of %g2-5
13692 registers from the command line (with the exception of %g4 for
13694 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13695 there is a higher chance of having a leaf function.
13696 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13697 for ARCH64 which has %ccr register.
13698 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13700 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13701 insn accept into delay slot any insn which does not use %[ol]
13702 registers. Accept some LO_SUM and shift left by 1 for the normal
13704 (output_function_epilogue): Likewise.
13705 (epilogue_renumber): Added argument which inhibits any renumbering
13706 and just tests if the rtx does not use any %[ol] registers.
13707 (output_return): Reflect above change.
13709 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13711 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13712 aggregate passing for sizes <= 16 bytes.
13714 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13716 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13717 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13718 * reload.c (find_dummy_reload): Likewise.
13719 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13720 * reload1.c (reload_as_needed): Likewise.
13721 * stupid.c (stupid_find_reg): Likewise.
13722 * tm.texi (Obsolete Register Macros): Delete section.
13723 * gmicro.h: Remove all traces of the two macros.
13724 * i386.h: Likewise.
13725 * m88k.h: Likewise.
13726 * mips.h: Likewise.
13728 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13730 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13731 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13732 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13733 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13734 units for the sparclite86x chip.
13735 (flush): Revert October 14th change; add SImode specifically.
13736 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13737 * invoke.texi: Document it.
13739 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13741 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13742 psimode_truncation_operand.
13744 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13745 function. Return true if the operand is either a MEM valid
13746 for a PSImode address or not a MEM at all.
13748 * config/mn10200/mn10200.md (truncsipsi2): Use
13749 psimode_truncation_operand.
13751 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13753 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13754 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13755 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13756 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13757 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13758 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13759 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13760 * basic-block.h: Protect from multiple inclusion.
13761 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13762 (struct loops, struct loop): Define structures.
13763 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13764 * sbitmap.h: Protect from multiple inclusion.
13765 (sbitmap_a_subset_b_p): Add prototype.
13766 * Makefile.in (LOOP_H): New macro.
13767 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13769 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13771 * cppinit.c (CAT): The argument list of this macro may not contain
13774 1999-11-29 David S. Miller <davem@redhat.com>
13776 Move quantity tables and register equivalence chains into
13777 per-qty and per-register structure arrays respectively.
13778 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13779 qty_const_insn, qty_comparison_code, qty_comparison_const,
13780 qty_comparison_qty): Delete, replace with...
13781 (qty_table): this structure table.
13782 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13783 (reg_eqv_table): this structure table.
13784 (make_new_qty): Add argument MODE. Caller updated.
13785 Update to use qty_table and reg_eqv_table.
13786 (make_regs_eqv, delete_reg_equiv, insert_regs,
13787 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13788 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13789 cse_process_notes, cse_main, cse_basic_block): Likewise.
13791 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13793 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13794 operation if C is negative.
13795 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13796 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13797 law for some divisions if constant is negative and change other
13798 divisions to the opposite rounding.
13800 * expr.c (store_constructor_field): If bit position is not multiple
13801 of alignment of TARGET's mode, use BLKmode.
13803 * expr.c (expand_expr_unaligned): Add more code from full case
13804 that is needed when OP0 is in a register.
13806 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13808 * dwarfout.c (field_byte_offset): Size can be zero if there was
13811 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13813 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13814 (associate_trees): Delete unused var TEM.
13815 (extract_muldiv): Delete unused var CANCEL_P.
13817 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13818 (target_isinf, target_isnan, target_negative): Add return types to
13819 function definitions.
13821 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13823 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13824 * fixinc/hackshell.tpl: ditto
13825 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13826 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13828 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13830 * reload.c (push_reload): When looking for a register to put into
13831 reg_rtx, make sure all hard regs in a multi-reg register are in the
13832 right class and nonfixed.
13834 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13835 pending_read_insns, pending_write_insns, pending_read_mems,
13836 pending_write_mems, pending_list_length, last_pending_memory_flush,
13837 last_function_call, sched_before_next_call): Move static variables
13839 (bb_ prefixed versions): Replace with single array bb_deps.
13840 (struct deps): New structure.
13841 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13842 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13843 argument of type "struct deps *"; use that instead of global
13844 variables. All callers changed.
13845 (init_rgn_data_dependencies): Delete function.
13846 (init_rtx_vector): Delete function.
13847 (init_deps): New function.
13849 (free_pending_lists): Simplify, we always use the bb_deps array even
13850 if only one basic block.
13851 (compute_block_backward_dependences): Likewise.
13852 (schedule_region): Likewise.
13854 (propagate_deps): New function, broken out of
13855 compute_block_backward_dependences.
13856 (compute_block_backward_dependences): Use it.
13858 * alpha.md: Delete useless patterns that tried to work around
13859 register elimination problems.
13861 * unroll.c (loop_iterations): Don't abort if iteration variable
13864 From Joern Rennecke:
13865 * reload1.c (reloads_conflict): Reverse test comparing operand
13866 numbers when testing for conflict between output/outaddr reloads.
13868 1999-11-29 David S. Miller <davem@redhat.com>
13870 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13872 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13874 1999-11-28 Robert Lipe <robertl@cygnus.com>
13876 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13877 table from .fini into .dtor.
13879 1999-11-28 Anthony Green <green@cygnus.com>
13881 * tree.h (struct tree_decl): Add malloc_flag.
13882 (DECL_IS_MALLOC): Define.
13883 * c-common.c (attrs): Add A_MALLOC attribute.
13884 (init_attributes): Add this attribute to the table.
13885 (decl_attributes): Handle malloc attribute.
13886 * calls.c (special_function_p): Check for the malloc attribute.
13887 * extend.texi (Function Attributes): Document malloc attribute.
13889 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13891 * pa.md (reload shift-add patterns): Remove.
13893 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13895 * reorg.c (dbr_schedule) Print more statistics. Corrected
13896 problem when printing info when 3 delay slots are filled.
13898 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13900 * combine.c (setup_incoming_promotions): Pass an outgoing
13901 regno to FUNCTION_ARG_REGNO_P which it expects.
13903 1999-11-28 Andreas Jaeger <aj@suse.de>
13905 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13907 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13909 * cccp.c (do_include): Avoid initialization of automatic variable.
13911 * integrate.c (mark_stores): Function definition made void, to match
13912 previous declaration.
13913 * regclass.c (dump_regclass): Ditto.
13914 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13916 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13918 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13919 known to be multiple of divisor.
13921 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13923 * combine.c (try_combine): Add code to try to merge a set of a
13924 two-word pseudo to a constant with a setting of one of those words
13927 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13928 (split_tree): Completely rework to make more general.
13929 (make_range, fold): Call negate_expr.
13930 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13931 (fold, associate): Call new split_tree and associate_trees.
13932 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13934 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13936 * loop.c (try_copy_prop): Avoid GNU C extension.
13938 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13940 * except.c (init_eh_for_function): Still zero eh_return_context,
13941 eh_return_stack_adjust, and eh_return_handler.
13943 * except.h (eh_status): Adjust documentation for x_protect_list.
13944 (begin_protect_partials): New function.
13945 * except.c (enqueue_eh_entry): Fix formatting.
13946 (get_first_handler): Add consistency check.
13947 (add_partial_entry): Adjust usage of protect_list.
13948 (emit_cleanup_handler): Save and restore ehqueue.
13949 (expand_start_all_catch): Add comment.
13950 (begin_protect_partials): New function.
13951 (end_protect_partials): Adjust usage of protect_list.
13952 (init_eh_for_function): Use xcalloc.
13954 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13956 * c-common.c (check_format_info): Don't call a variadic function
13957 with a non-literal format string.
13959 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13961 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13962 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13965 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13968 * collect2.c (collect_wait): Likewise.
13970 * dbxout.c (dbxout_type): Likewise.
13972 * gcc.c (do_spec_1): Likewise.
13974 * genemit.c (gen_insn, gen_expand): Likewise.
13976 * genrecog.c (write_switch, write_subroutine): Likewise.
13978 * mips-tfile.c (catch_signal, botch): Likewise.
13980 * print-rtl.c (print_rtx): Likewise.
13982 * toplev.c (default_print_error_function, report_error_function,
13983 _fatal_insn): Likewise.
13985 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13987 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13989 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13991 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13992 operations when needed.
13993 * i386.md (fop_?f_comm): New.
13994 (fop_?f_1): Do not accept commutative operands.
13996 1999-11-25 Andreas Jaeger <aj@suse.de>
13998 * config/mips/mips.md (casesi_internal): Add missing brace.
14000 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14002 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14003 (splice_child_die): Handle moving a child DIE from the declaration
14004 DIE of a class to its specification.
14005 (gen_struct_or_union_type_die): Use 'complete' consistently.
14006 (gen_decl_die): Generate the virtual context DIE first.
14007 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14009 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14011 * config/mips/mips.md (call_value_multiple_interanal1): New.
14013 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14015 * dwarf2out.c (free_AT, free_die): New fns.
14016 (remove_children): Call them.
14017 (output_line_info): Disable removal of duplicate notes.
14019 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14020 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14021 means pretend the type isn't defined.
14022 Don't defer emitting types.
14023 (gen_type_die_for_member): New fn.
14024 (gen_decl_die): Call it.
14025 (splice_child_die): New fn.
14026 (gen_member_die): Call it rather than generate duplicate dies.
14028 Defer emitting information for the abstract instance of an inline
14029 until we either inline it or emit an out-of-line copy.
14030 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14031 from output_inline_function if DECL_ABSTRACT is also set.
14032 (block_ultimate_origin): Likewise.
14033 (gen_abstract_function): New fn.
14034 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14035 (gen_subprogram_die): An abstract instance is not a declaration
14036 just because it doesn't match current_function_decl. Don't abort
14037 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14038 has an abstract origin.
14039 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14040 abstract instance here.
14042 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14044 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14045 where we need to reload fpul from a system register.
14047 1999-11-24 Andreas Jaeger <aj@suse.de>
14049 * config/mips/linux.h (CPP_PREDEFINES): Added.
14050 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14052 1999-11-24 Andreas Jaeger <aj@suse.de>
14054 * config/mips/linux.h (TARGET_VERSION): Added.
14055 (HANDLE_SYSV_PRAGMA): Added.
14056 (DEFAULT_VTABLE_THUNKS): Added.
14058 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14060 * local-alloc.c (qty): New structure and static variable.
14061 (qty_phys_reg): Remove, all references changed to qty.
14062 (qty_n_refs): Likewise.
14063 (qty_min_class): Likewise.
14064 (qty_birth): Likewise.
14065 (qty_death): Likewise.
14066 (qty_size): Likewise.
14067 (qty_mode): Likewise.
14068 (qty_n_calls_crossed): Likewise.
14069 (qty_alternate_class): Likewise.
14070 (qty_changes_size): Likewise.
14071 (qty_first_reg): Likewise.
14072 (alloc_qty): Rename variable QTY to QTYNO.
14073 (finf_free_reg): Likewise.
14074 (local_alloc): Allocate qty, do not allocate the removed variables.
14076 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14078 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14079 when -membedded-pic is passed.
14081 * config/mips/mips.md (casesi): Handle 64-bit case too.
14082 (casesi_internal_di): New insn.
14084 * config/mips/mips.c (embedded_pic_offset): Always make the
14085 embedded-pic subtractions relative to the name of the current
14086 function by use of the magic string "..CURRENT_FUNCTION".
14087 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14089 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14091 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14092 of (const_int 0), when what we really care about is
14093 whether it's a zero constant anyway.
14094 (div_trap_mips16): Likewise.
14096 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14098 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14099 unroll_block_trees when generating debuggable code.
14101 * tree.h (unsave_expr_1): New function.
14102 (lang_unsave): New variable.
14103 (get_callee_fndecl): New function.
14104 * tree.c (unsave_expr_now_r): New function.
14105 (lang_unsave): Define.
14106 (unsave_expr_1): Likewise.
14107 (unsave_expr_now_r): Split out from unsave_expr_now.
14108 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14109 call unsave_expr_now_r.
14110 (get_callee_fndecl): Define.
14112 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14113 (gencheck.o): Do depend on lang_tree_files.
14115 * integrate.h (copy_decl_for_inlining): New declaration.
14116 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14117 (copy_decl_for_inlining): New function.
14118 (integrate_parm_decls): Use it.
14119 (integrate_decl_tree): Likewise.
14121 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14123 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14124 the second two from the first.
14125 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14126 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14127 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14129 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14130 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14133 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14135 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14136 needed on the address operand.
14137 * pa.c (call_operand_address): Check for the correct mode.
14139 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14141 * loop.c: Include "basic-block.h".
14142 (try_copy_prop, replace_loop_reg): New functions.
14143 (load_mems): Detect registers that just hold copies of the hoisted
14144 mem, and call try_copy_prop to eliminate them.
14145 * Makefile.in (loop.o): Update dependencies.
14147 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14149 * Makefile.in (gencheck.o): Depend on gencheck.h.
14150 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14151 (insn-peep.o): Depend on except.h and function.h.
14152 (insn-attrtab.o): Depend on RECOG_H.
14153 (insn-output.o): Depend on toplev.h and flags.h.
14154 (gengenrtl.o): Depend on real.h.
14155 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14156 Unify all dependencies to be on RECOG_H rather than recog.h.
14158 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14160 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14161 * configure.in: Try building a bi-arch 32/64-bit compiler on
14162 sparc-*-solaris2.7 and higher.
14163 * configure: Rebuild.
14165 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14167 * config/freebsd.h: New, FreeBSD architecture independent file.
14168 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14169 independent pieces.
14170 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14171 directly by i386/freebsd.h.
14172 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14173 independent configuration file.
14174 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14175 directly by i386/freebsd.h.
14176 * configure: Rebuilt.
14178 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14179 which is in the user's namespace.
14180 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14181 `i386' which is not in our namespace.
14183 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14185 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14187 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14189 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14190 (add_dwarf_attr, add_child_die): Just push onto the front.
14191 (reverse_die_lists): New fn.
14192 (add_sibling_attributes): Use it.
14193 (push_decl_scope): Reorganize.
14194 (add_name_and_src_coords_attributes): Don't set file and line for
14195 an artificial decl.
14196 (gen_subprogram_die): An artificial function doesn't need to match
14198 (gen_compile_unit_die): Return the generated die. Only add
14199 AT_comp_dir if the filename is relative.
14200 (remove_AT): Simplify loop. Also free string values.
14201 (output_die): A DIE ref can't be null.
14202 (output_value_format, value_format): Take a dw_attr_ref.
14203 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14204 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14205 AT_addr, AT_lbl): New fns.
14206 (various): Use them.
14207 (various): Constify.
14209 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14211 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14212 take SUBREG_WORD into account.
14213 (if_then_else_cond): Likewise.
14215 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14217 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14218 clause from BSD license, pursuant with
14220 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14222 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14224 * loop.c (load_mems): Reformat slightly.
14225 * basic-block.h (regset_head): New typedef.
14226 (INIT_REG_SET): New macro.
14228 1999-11-22 Bruce Korb <autogen@linuxbox.com
14230 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14231 (mips-dec-bsd*): non-functional code
14232 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14234 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14235 added three replacement fixes
14236 (no_double_slash): removed comments that are not (any longer) pertinent
14237 (bad_lval): this fix currently runs against many files.
14238 The comment seems to indicate that we should select for files
14239 containing 'pragma extern_prefix'.
14241 * fixinc/fixinc.x86-linux-gnu: deleted
14242 * fixinc/inclhack.sh: regen
14243 * fixinc/fixincl.x: regen
14244 * fixinc/fixincl.sh: regen
14246 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14248 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14249 its code is INSN and it has no notes.
14251 1999-11-22 Andrew Haley <aph@cygnus.com>
14253 * varasm.c (function_defined): Remove.
14254 (make_function_rtl): Don't set function_defined.
14255 (make_decl_rtl): Remove global register warning.
14256 * regclass.c (no_global_reg_vars): New variable.
14257 (globalize_reg): Warn if function has already been defined.
14258 (regclass_init): Set no_global_reg_vars.
14260 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14262 * regclass.c (reg_pref): New structure and static variable
14263 (prefclass): Delete.
14264 (altclass): Delete.
14265 (all uses of prefclass and altclass): Use reg_pref instead.
14267 1999-11-21 Nick Clifton <nickc@cygnus.com>
14269 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14271 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14272 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14273 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14275 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14277 * varasm.c (output_constructor): Solve problem with long long
14278 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14280 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14282 * global.c (allocno): New structure and static variable.
14283 (allocno_reg): Remove, all references replaced by allocno.
14284 (allocno_size): Likewise.
14285 (hard_reg_conflicts): Likewise.
14286 (hard_reg_preferences): Likewise.
14287 (hard_reg_copy_preferences): Likewise.
14288 (hard_reg_full_preferences): Likewise.
14289 (regs_someone_prefers): Likewise.
14290 (allocno_calls_crossed): Likewise.
14291 (allocno_n_refs): Likewise.
14292 (allocno_live_length): Likewise.
14293 (find_reg): Rename ALLOCNO to NUM.
14295 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14296 references updated.
14297 (may_move_out_cost): New variable.
14298 (init_reg_sets_1): Initialize may_move_out_cost.
14299 (record_reg_classes): Use may_move_out_cost.
14301 * regclass.c (dump_regclass): New function.
14302 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14303 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14304 pass rtl_dump_file to regclass.
14305 * rtl.h (regclass): Update prototype.
14307 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14309 * i386.md (neg, not and abs patterns): Revmap to use
14310 ix86_expand_unary_operator and ix86_unary_operator_ok.
14311 (add?f and sub?f expanders): Force operand 1 to register.
14312 * i386.c (ix86_expand_unary_operator): Rewrite.
14313 (ix86_unary_operator_ok): Ensure that memory operands
14315 (ix86_binary_operator_ok): Do not allow operand 1 to
14316 come into memory and operand 0 not.
14317 (ix86_expand_binary_operator): Ensure that
14318 src1 is not non-matching memory.
14320 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14321 to support integer registers and memory.
14322 (abss?2_integer): Likewise.
14324 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14325 (REG_CLASS_NAMES): Likewise.
14326 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14328 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14329 (movsf): Likewise; unify 4th and 5th alternative.
14330 (pushdf): Likewise.
14331 (movdf_1): Likewise; rename to movdf_integer.
14332 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14333 remove redundant splitter.
14334 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14335 (movdf_nointeger): New.
14336 (movxf_nointeger): New.
14337 (pushxf_nointeger): New.
14339 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14340 memory operands in patterns.
14341 (fop*): Refuse two memory operands.
14343 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14344 on !TARGET_USE_CLTD CPUs.
14346 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14348 * extend.texi: Document C++ restricted pointers and references.
14350 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14352 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14353 (invalidate_skipped_set): Call it unconditionally.
14354 (cse_set_around_loop): Likewise.
14356 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14358 * rtl.texi (mem): Add documentation for alias-set argument
14361 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14363 * i386.h (struct_processor_costs): New fields int_load, int_store,
14364 fp_move, fp_load and fp_store
14365 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14367 (MEMORY_MOVE_COST): New macro.
14368 * i386.c (386_cost): Define new fields.
14369 (i486_cost): Likewise.
14370 (pentium_cost): Likewise.
14371 (pentiumpro_cost): Likewise.
14372 (k6_cost): Likewise.
14374 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14375 Geoffrey Keating <geoffk@cygnus.com>
14377 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14379 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14382 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14383 (TARGET_STRICT_ALIGNMENT): New macro.
14384 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14385 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14386 * invoke.texi (M680x0 Options): Document -mstrict-align.
14388 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14389 Richard Henderson <rth@cygnus.com>
14391 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14392 (ix86_split_long_move): Declare.
14393 * i386.c (split_xf, ix86_split_movdi): Remove.
14394 (ix86_split_to_parts, ix86_split_long_move): New.
14395 * i386.md (dimode move splitters): Use ix86_split_long_move.
14396 (dfmode move splitters): Likewise.
14397 (xfmode move splitters): Likewise.
14398 (movsf_1): Allow F->r.
14399 (movdf_1, movxf_1): Allow F->ro.
14401 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14403 * except.h (struct eh_entry): Add goto_entry_p.
14404 (eh_region_from_symbol): Remove prototype.
14405 * except.c (find_func_region_from_symbol): New function.
14406 (emit_cleanup_handler): Likewise.
14407 (eh_region_from_symbol): Make it static.
14408 (add_new_handler): Verify the argument.
14409 (find_func_region): Update comment.
14410 (expand_eh_region_end): Expand handlers here, rater than waiting
14411 until expand_leftover_cleanups or start_all_catch.
14412 (expand_leftover_cleanups): Don't expand here.
14413 (expand_start_all_catch): Or here.
14414 (expand_rethrow): Check the return value from find_func_region.
14415 * function.c (expand_function_end): Emit the catch_clauses.
14417 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14419 * integrate.c (expand_inline_function): Add necessary check for NULL.
14421 1999-11-18 Nick Clifton <nickc@cygnus.com>
14423 * toplev.c (main): Correctly detect an unrecognised option.
14425 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14426 a -f option if it has not been recognised.
14428 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14430 * basic-block.h (update_life_extent): Remove trailing comma on
14431 enumeration type list.
14433 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14435 * varasm.c (output_constructor) Solved problem with long long
14436 bitfields. Corrected calculating this_time and shift. Also
14437 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14439 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14441 * flow.c (split_edge): Take looping structure into account when
14442 determining where to put the new block note.
14444 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14446 * Makefile.in (ggc-none.o): Provide host specific version if
14449 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14451 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14452 containing subregs too.
14454 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14456 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14457 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14458 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14459 (text_section): Add switches -munint-const-in-rodata and
14460 -mno-uninit-const-in-rodata.
14461 (ASM_OUTPUT_COMMON): Remove.
14462 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14463 const objects should be placed in read-only data. Otherwise declare
14466 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14468 * jump.c (jump_optimize_1): Revert last change.
14470 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14472 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14473 test if optimizing for size.
14475 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14477 * Makefile.in (toplev.o): Depend on except.h.
14478 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14480 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14482 * i386.md (divmodsi4): Rewrite to expander.
14483 (*divmodsi4_nocltd): New.
14484 (*divmodsi4_cltd): New.
14485 (divmodsi4 splitter): Handle the case when input comes in edx.
14486 (udivmodhi4): Do not use constraints in exander.
14487 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14489 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14491 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14492 for the common case.
14494 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14496 * explow.c (hard_function_value): Add outgoing argument.
14497 * expr.h (hard_function_value): Declare it.
14498 * calls.c (expand_call, emit_library_call_value): Update callers.
14499 * function.c (aggregate_value_p): Ditto.
14500 (diddle_return_value): Must look at the outgoing registers
14501 on archs with register windows.
14503 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14505 * alpha.c (alpha_build_va_list): Use make_lang_type and
14506 initialize TYPE_NAME for the va_list record.
14508 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14510 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14512 * ggc.h (struct ggc_statistics): Rearrange elements for better
14513 packing on 64-bit hosts.
14514 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14515 (compute_nearerout): Likewise.
14517 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14519 * config/rs6000/rs6000.c (first_reg_to_save): Save
14520 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14522 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14524 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14525 notion of nesting to find the DIE for a type or function.
14526 DIEs can go in limbo even if we got a context_die.
14527 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14528 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14530 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14531 (gen_type_die): Writing out the context doesn't cause member class
14532 template instantiations to be written out as well.
14534 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14536 * rs6000.h (ASM_OUTPUT_DEF): New.
14537 Based on proposed addition from David Edelsohn.
14539 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14540 Bruce Korb <autogen@linuxbox.com>
14542 * fixinc/inclhack.def
14543 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14544 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14546 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14547 (svr4_endian): enabled with SVR5
14548 (svr4_mkdev): simplified syntax and enabled with SVR5
14550 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14552 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14553 * configure: Rebuilt.
14554 * config/t-freebsd-thread: New file.
14556 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14558 * i386.c (ix86_decompose_address): Verify the base is a REG
14559 before trying to examine its register number.
14561 * basic-block.h: Remove all #defines and prototypes related to
14563 (free_bb_mem, compute_preds_succs): Remove prototype.
14564 * rtl.h (free_bb_mem): Remove prototype.
14565 * flow.c (alloc_int_list_node); Remove function.
14566 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14567 (compute_preds_succs, free_bb_mem): Likewise.
14568 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14569 * toplev.c (rest_of_compilation): Likewise.
14570 * haifa-sched.c (build_control_flow): Use flow generated edge
14571 list to build the haifa specific edge list.
14572 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14573 (schedule_insns): Do not build pred/succ lists anymore. Instead
14574 build the edge table.
14576 * basic-block.h (dump_bb_data): Remove declaration.
14577 * flow.c (dump_bb_data): Remove function.
14578 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14579 (sbitmap_union_of_predsucc): Likewise.
14581 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14582 argument. All callers changed.
14583 (delete_null_pointer_checks_1): No longer need to compute the
14586 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14587 All callers changed.
14588 (pre_expr_reaches_here_p_work): Likewise.
14589 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14590 * lcm.c (compute_laterin): Fix initialization of LATER.
14591 (compute_nearerout): Similarly for NEARER.
14593 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14595 * cse.c (set_nonvarying_address_components): Delete unused function.
14596 (refers_to_p): Likewise.
14598 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14600 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14603 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14605 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14606 definition in do while (0).
14608 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14610 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14612 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14614 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14616 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14618 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14619 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14620 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14621 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14623 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14624 saved on the stack. Output more accurate stack frame statistics
14625 into assembler file.
14627 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14629 * genextract.c (record_insn_name): New function.
14630 (get_insn_name): No longer a stub.
14631 (main): Call record_insn_name for each insn. After each label
14632 written, print the insn name in a comment.
14634 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14636 * output.h (const_section, init_section, fini_section): Add
14639 * alpha/elf.h (const_section): Delete declaration.
14641 * svr4.h (const_section): Likewise.
14643 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14645 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14646 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14647 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14649 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14650 variable-sized array bounds.
14652 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14654 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14657 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14659 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14660 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14662 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14664 * cse.c (hash_arg_in_struct): Delete.
14665 (struct table_elt): Delete elt in_struct.
14666 (struct set): Delete elt src_in_struct.
14667 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14668 the corresponding in_struct elts.
14669 (canon_hash): Likewise.
14670 (safe_hash): Likewise.
14671 (find_best_addr): Likewise.
14672 (record_jump_cond): Likewise.
14673 (cse_insn): Likewise.
14675 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14677 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14679 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14682 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14684 * function.c (diddle_return_value): Put back check that the DECL_RTL
14685 for the function is a register.
14687 * function.c (diddle_return_value): Use hard_function_value to
14688 get an rtx suitable for use in the USE/CLOBBER insn.
14690 * global.c (global_conflicts): Update comments.
14691 (record_conflicts): No need to record conflicts between pseudos here.
14693 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14695 * fixinc/fixincl.c: Added verbose levels for status messages
14697 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14699 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14700 operand as argument to expand_and or expand_binop.
14702 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14704 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14705 gcc_add_string_root.
14707 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14709 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14711 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14713 * flow.c (compute_flow_dominators): Initially put all blocks on
14715 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14716 * gcse.c (compute_cprop_avinout): Remove.
14717 (compute_cprop_data): Use compute_available.
14718 (delete_null_pointer_checks_1): Use compute_available.
14720 * basic-block.h (compute_available): Returns a void now.
14721 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14722 to return a value anymore.
14723 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14724 worklists. Fix boundary cases. Compute maximal solutions.
14725 (compute_laterin, compute_nearerout): Similarly.
14727 * dwarf2out.c (add_AT_location_description): Allow
14728 (mem (plus (pseudo) (...)) too.
14730 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14732 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14734 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14735 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14737 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14739 * gansidecl.h: Likewise.
14745 * toplev.h: Likewise.
14747 * tree.c: Likewise.
14749 * tree.h: Likewise.
14751 * varray.c: Likewise.
14753 * varray.h: Likewise.
14755 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14757 * gcov.c (struct arcdata): Add hits and total, remove prob.
14758 (output_branch_counts): New.
14759 (process_args): Set output_branch_counts if -c.
14760 (calculate_branch_probs): Store hits and total instead of
14762 (output_data): Emit counts if output_branch_counts is true.
14763 * gcov.texi (Invoking Gcov): Document -c switch..
14765 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14767 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14768 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14770 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14772 * invoke.texi (C Dialect Options): Add missing builtins from
14773 c-common.c to list.
14774 * extend.texi (Other Builtins): Copy to this list.
14776 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14778 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14779 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14780 redundant bitmap.h.
14782 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14784 * flow.c (compute_flow_dominators): No longer treat basic block 0
14785 or (n_basic_blocks - 1) specially. Clear the AUX field before
14786 starting computation of doms/pdoms. Fix initial state for pdoms.
14788 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14790 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14791 match rtl.o's: added ggc.h and toplev.h
14792 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14793 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14794 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14796 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14798 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14799 from HAVE_DOS_BASED_FILESYSTEM.
14800 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14801 HAVE_DOS_BASED_FILESYSTEM.
14803 (split_directories): Only special-case DOS file names if
14804 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14805 instead of explicit tests. Conditionalize on !VMS.
14806 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14807 tests. Conditionalize on !VMS.
14808 (process_command): Only use make_relative_prefix if !VMS.
14809 (free_split_directories): Conditionalize on !VMS.
14810 (DIR_UP): Conditionalize on !VMS.
14812 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14814 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14816 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14818 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14821 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14823 * invoke.texi (Environment Variables): Document relative path
14825 * gcc.c (DIR_UP): If not defined, define as "..".
14826 (standard_bindir_prefix): New static, holds target location to
14828 (split_directories): New function to split a filename into
14829 component directories.
14830 (free_split_directories): New function, release memory allocated
14831 by split_directories.
14832 (make_relative_prefix): New function, make a relative pathname if
14833 the compiler is not in the expected location.
14834 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14835 can figure out an appropriate prefix from argv[0].
14836 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14837 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14838 STANDARD_BINDIR_PREFIX.
14840 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14842 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14844 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14845 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14846 c4x_secondary_memory_needed) Delete.
14847 (fp_zero_operand): Add mode argument.
14849 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14851 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14852 that is in reload_reg_used.
14854 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14856 * config/arm/arm-protos.h: New file: Prototypes for functions
14857 defined in arm.c and pe.c.
14858 * config/arm/arm.h: Fix compile time warnings.
14859 * config/arm/arm.c: Fix compile time warnings.
14860 * config/arm/pe.h: Fix compile time warnings.
14861 * config/arm/aout.h: Fix compile time warnings.
14863 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14865 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14868 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14869 Add support for subtargets.
14870 Add prototypes for new predicates.
14871 Add scheduling macros.
14873 * config/m32r/m32r.c: Fix compile time warnings.
14874 (int8_operand): New predicate function.
14875 (reg_or_cmp_int16_operand): New predicate function.
14876 (extend_operand): New predicate function.
14877 (m32r_adjust_code): New scheduling function.
14878 (m32r_adjust_priorty): New scheduling function.
14879 (m32r_sched_init): New scheduling function.
14880 (m32r_sched_reorder): New scheduling function.
14881 (m32r_sched_variable_issue): New scheduling function.
14882 (direct_return): New codegen function.
14883 (m32r_not_same_reg): New rtl testsing function.
14885 * config/m32r/m32r.md: Fix compile time warnings.
14886 Add support for pre decrement and post increment memory
14888 Add S<cc> patterns.
14891 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14893 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14894 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14895 (find_reg): Likewise.
14897 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14899 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14900 to avoid assembler errors.
14902 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14904 * config/v850/v850-protos.h: New file: Prototypes for functions
14906 * config/v850/v850.h: Move prototypes to v850-protos.h
14907 * config/v850/v850.c: Move prototypes to v850-protos.h
14908 * config/v850/v850.md: Fix compile time warnings.
14910 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14912 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14913 * config/fr30/fr30.c: Fix compile time warnings.
14914 * config/fr30/fr30.md: Fix compile time warnings.
14916 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14918 * tree.h (get_containing_scope): Declare it.
14919 * tree.c (get_containing_scope): New fucntion.
14920 (decl_function_context): Use it.
14921 * toplev.c (rest_of_compilation): Use get_containing_scope.
14923 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14925 * Makefile.in (rtl.o): Depend on toplev.h.
14927 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14929 * cse.c (delete_trivially_dead_insns): Replace alloca with
14931 * except.c (update_rethrow_references): Likewise.
14932 (init_eh_nesting_info): Likewise.
14933 * function.c (identify_blocks): Likewise.
14934 * gcse.c (dump_hash_table): Likewise.
14935 * graph.c (print_rtl_graph_with_bb): Likewise.
14936 * loop.c (combine_movables): Likewise.
14937 (move_movables): Likewise.
14938 (count_loop_regs_set): Likewise.
14939 (strength_reduce): Likewise.
14940 * profile.c (compute_branch_probabilities): New function, split
14942 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14943 * regclass.c (regclass): Likewise.
14944 * regmove.c (regmove_optimize): Likewise.
14945 * toplev.c (compile_file): Likewise.
14946 (main): Don't mess with the stack rlimit.
14948 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14950 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14951 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14953 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14955 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14957 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14959 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14960 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14963 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14965 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14967 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14969 * gcse.c (post_dominators): Kill.
14970 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14971 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14972 pass in a pdom array since we do not need pdoms.
14973 * haifa-sched.c (schedule_insns): Similarly.
14974 * flow.c (compute_dominators): Remove dead function.
14975 (compute_flow_dominators): Do not compute doms or pdoms if the
14976 caller does not request them. Split up loop to build doms and
14977 pdoms. Use a worklist to compute doms and pdoms.
14978 * basic-block.h (compute_dominators): Remove prototype.
14980 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14982 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14983 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14984 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14985 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14986 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14987 (schedule_region): Remove unused variable.
14988 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14990 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14992 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14993 (update_equiv_regs): Likewise.
14994 (block_alloc): Likewise.
14995 * reg-stack.c (reg_to_stack): Likewise.
14996 (convert_regs_2): Likewise.
14997 * reload1.c (reload_as_needed): Likewise.
14999 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15001 * Makefile.in (dbxout.o): Depend on ggc.h.
15002 (dwarf2out.o): Likewise.
15003 (xcoffout.o): Likewise.
15004 * dbxout.c: Include ggc.h.
15005 (dbxout_init): Register lastfile as a root.
15006 * dwarf2out.c: Include ggc.h.
15007 (dwarf2out_line): Register lastfile as a root.
15008 * xcoffout.c: Include ggc.h.
15009 (xcoffout_source_line): Register xcoff_lastfile as a root.
15011 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15013 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15015 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15017 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15019 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15021 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15023 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15024 (EXECUTE_IF_CONFLICT): Likewise.
15025 (ALLOCNO_LIVE_P): Avoid signed division.
15026 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15027 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15028 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15030 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15032 * haifa-sched.c (schedule_block): Don't crash if there's no
15033 next insn for an interblock movement.
15034 (add_branch_dependences): Don't allow clobber insns to move either.
15036 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15038 * i386.c (split_xf): New.
15039 * i386-protos.h: Declare it.
15040 * i386.md (movxf_1): Add general regs alternatives.
15041 (movxf_1+1): New splitter for same.
15043 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15045 * function.c (purge_addressof_1): Add missing return values.
15047 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15049 * function.c (is_addressof): New function. Returns true if
15050 the given piece of RTL is an ADDRESSOF.
15051 (purge_addressof_1): Make boolean. Return false if the
15052 ADDRESSOFs could not be purged.
15053 (purge_addressof): If ADDRESSOFs could not be purged from the
15054 notes attached to an insn, remove the offending note(s),
15055 unless they are attached to a libcall.
15057 1999-11-05 Andreas Jaeger <aj@suse.de>
15059 * genoutput.c (null_operand =): Initialize all fields.
15061 * errors.h: Add extern to prototypes.
15063 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15065 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15066 * configure: Rebuilt.
15068 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15070 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15071 (mirror_conflicts): New function.
15072 (global_alloc): Call it.
15073 (expand_preferences): Remove redundant CONFLICTP test.
15074 (find_reg, dump_conflicts): Likewise.
15075 (prune_preferences): Process conflicts one word at a time.
15077 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15079 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15080 instead of an explicit loop.
15082 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15084 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15085 if REG_RETVAL check succeeds, then put classp in src_elt.
15087 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15089 * function.c (pad_to_arg_alignment): Only update argument_pad
15090 if the argument's alignment is greater than STACK_BOUNDARY.
15092 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15094 * bitmap.h (BITMAP_XFREE): New.
15095 * flow.c (life_analysis): Use it.
15096 (life_analysis_1): Free blocks.
15098 * combine.c (undo_commit): New.
15099 (try_combine): Use it. Don't zap undobuf.undos.
15100 (combine_instructions): Don't zap undobuf.undos; free the
15101 undobuf.frees list.
15103 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15105 * stmt.c (cost_table_): New.
15106 (estimate_case_costs): Use it instead of xmalloc.
15108 * toplev.c (compile_file): Reuse dumpname memory instead
15111 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15113 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15114 after verifying an EH edge.
15116 * haifa-sched.c (init_rgn_data_dependences): Correctly
15117 size bb_pending_lists_length when zeroing.
15119 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15121 * function.c (diddle_return_value): New.
15122 (expand_function_end): Use it.
15123 * stmt.c (expand_null_return): Likewise.
15124 (expand_value_return): Likewise.
15126 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15128 * reload1.c (reload): Don't remove return value clobbers.
15130 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15132 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15134 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15136 * cse.c (cse_main): Use xmalloc, not alloca.
15137 (cse_basic_block): Likewise.
15138 * local-alloc.c (local_alloc): Likewise.
15140 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15141 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15143 * rtl.c: Include toplev.h.
15144 (fatal): Remove declaration.
15146 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15148 * haifa-sched.c (schedule_block): Fix thinko.
15150 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15152 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15153 S_IR* defined values
15155 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15157 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15158 call `malloc' instead.
15160 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15162 * flags.h (flag_renumber_insns): Declare.
15163 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15165 * rtl.h (renumber_insns): Change prototype.
15166 * toplev.c (flag_renumber_insns): Define.
15167 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15169 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15171 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15172 and fpsqrtd. Use them and create fdiv function unit to more
15173 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15174 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15176 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15178 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15180 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15181 insn into ready list, do not use just a raw swap.
15183 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15185 * rtl.h (renumber_insns): New function.
15186 (remove_unnecessary_notes): Likewise.
15187 * emit-rtl.c (renumber_insns): Define.
15188 (remove_unncessary_notes): Likewise.
15189 * toplev.c (rest_of_compilation): Remove dead code.
15190 Use renumber_insns and remove_unncessary_notes.
15192 * gcse.c (struct null_pointer_info): New type.
15193 (get_bitmap_width): New function.
15194 (current_block): Remove.
15195 (nonnull_local): Likewise.
15196 (nonnull_killed): Likewise.
15197 (invalidate_nonnull_info): Take a null_pointer_info as input.
15198 (delete_null_pointer_checks_1): New function.
15199 (delete_null_pointer_checks): Use it.
15201 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15202 (split_edges): Likewise.
15203 (schedule_block): Likewise.
15204 (compute_block_backward_dependencies): Likewise.
15205 (schedule_region): Likewise.
15206 (schedule_insns): Likewise.
15208 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15210 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15211 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15212 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15213 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15214 * jump.c (delete_unreferenced_labels): Don't delete if
15215 LABEL_ALTERNATE_NAME is set.
15216 * print-rtl.c (print_rtx): Dump alternate name.
15217 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15218 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15219 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15220 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15222 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15224 * fix-header.c (recognized_extern, recognized_function): Constify
15227 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15228 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15229 (compute_available): Remove unused variable `last'.
15230 (compute_nearerout): Remove unused variable `temp_bitmap'.
15231 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15232 Remove unused variable `x'.
15234 * scan.h (recognized_function, recognized_extern): Constify a
15237 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15239 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15241 * varasm.c (decode_rtx_const): Use XSTR to access the string
15244 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15246 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15248 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15250 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15252 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15254 * pa.c (ireg_operand): New function.
15255 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15256 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15257 Fix out of date comment.
15259 * pa.md (negdi2): Turn into expander + anonymous pattern.
15261 * reload.c (find_reloads): Fix typos in recent change.
15263 * dwarf2out.c: Do not include ctype.h.
15265 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15267 * regclass.c (record_reg_classes): Always use may_move_cost when
15268 seeing how operand fits with various register classes.
15270 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15272 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15273 * toplev.c: Revert Nov 1 13:22 change.
15275 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15277 * config/pa/pa.md (height reduction patterns): Add checks for
15278 overlapping operands to avoid semantic-destroying splits for
15279 height reduction patterns.
15281 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15283 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15284 have been an hyphen, fixed.
15285 * configure: Rebuilt.
15287 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15289 * config/arm/tpe.h: Add prototypes for exported functions.
15290 * config/arm/pe.c: Fix compile time warnings.
15291 * config/arm/semi.h: Fix compile time warnings.
15292 * config/arm/arm.c: Fix compile time warnings.
15293 * config/arm/arm.h: Fix compile time warnings.
15294 * config/arm/arm.md: Fix compile time warnings.
15295 * config/arm/thumb.c: Fix compile time warnings.
15296 * config/arm/thumb.h: Fix compile time warnings.
15297 * config/arm/thumb.md: Fix compile time warnings.
15299 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15301 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15304 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15305 completely unrolled.
15307 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15309 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15311 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15313 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15314 * rtl.h (rtx_equal_p): Move prototype.
15315 * rtl.c (rtx_equal_function_value_matters): Move from
15317 (rtx_equal_p): Likewise.
15318 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15319 (rtx_equal_p): Likewise.
15321 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15323 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15324 ! HAS_INIT_SECTION.
15326 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15328 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15330 * pa.h (ADDR_VEC_ALIGN): Define.
15332 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15333 notes when presented with "if (foo) break; end_of_loop" and
15334 the break sequence gets moved out of the loop.
15336 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15337 Remove explicit zero initializations of entries within MAP.
15339 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15341 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15343 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15345 * bitmap.h (BITMAP_XMALLOC): New macro.
15346 * flow.c (CLEAN_ALLOCA): Remove.
15347 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15348 (life_analysis): Likewise.
15349 (update_life_info): Don't use CLEAN_ALLOCA.
15350 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15351 (calculate_global_regs_live): Likewise.
15352 (print_rtl_with_bb): Likewise.
15353 (verify_flow_info): Likewise.
15354 * global.c (global_alloc): Likewise.
15355 (global_conflicts): Likewise.
15356 * integrate.c (save_for_inline_nocopy): Likewise.
15357 (expand_inline_function): Likewise.
15358 * jump.c (jump_optimize_1): Likewise.
15359 (duplicate_loop_exit_test): Likewise.
15360 (thread_jumps): Likewise.
15361 * loop.c (loop_optimize): Likewise.
15362 (combine_givs): Likewise.
15363 (recombine_givs): Likewise.
15364 * reorg.c (dbr_schedule): Likewise.
15365 * unroll.c (unroll_loop): Likewise.
15367 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15369 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15371 * toplev.c (rest_of_compilation): Don't optimize the CFG
15372 when rebuilding, just before dbr.
15374 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15376 * output.h (assemble_end_function, assemble_destructor,
15377 assemble_constructor, assemble_gc_entry, assemble_global,
15378 assemble_label, output_constant_pool) Constify a char*.
15380 * varasm.c (assemble_destructor, assemble_constructor,
15381 assemble_gc_entry, assemble_end_function, assemble_global,
15382 assemble_label, output_constant_pool): Likewise.
15384 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15386 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15387 explaining what is goin on in this function.
15389 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15391 * regclass.c (record_reg_classes): In matching case, recompute
15392 costs since the direction of movement is different.
15394 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15396 * resource.c (mark_target_live_regs): For unconditional branches,
15397 the resources found at the branch target should be added to the
15398 resources found so far, not intersected.
15400 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15402 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15404 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15405 (sys/mman.h): Include this file only if #HAVE_MMAP.
15406 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15407 with automatically concatenated ANSI strings.
15409 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15411 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15412 (DIV_ROUND_UP): Robustify.
15413 (ggc_recalculate_in_use_p): New function.
15414 (release_pages): Don't inline it.
15415 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15417 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15418 (clear_marks): Always save in_use_p.
15419 (sweep_pages): Use ggc_recalculate_in_use_p.
15420 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15421 Release pages before counting statistics.
15423 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15425 * toplev.c (rest_of_compilation): Fix thinko in this change:
15427 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15429 (rest_of_compilation): If inside an inlined external function,
15430 pretend we are just being declared.
15432 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15434 * flow.c (calculate_global_regs_live): Fix thinko.
15436 * integrate.c (expand_inline_function): Fix bugs in previous
15437 change from Oct 28, 1999.
15439 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15441 * stmt.c (expand_value_return): Fix typo in this change:
15443 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15444 (expand_value_return): Correctly convert VAL when promoting function
15445 return; support RETURN_REG being a PARALLEL.
15447 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15449 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15451 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15453 * hard-reg-set.h (reg_names): Constify a char*.
15455 * regclass.c (reg_names): Likewise.
15457 * regs.h (reg_names): Likewise
15459 * a29k/a29k.c (reg_names): Delete declaration.
15461 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15463 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15464 arc_output_function_epilogue): Likewise.
15466 * elxsi/elxsi.c (reg_names): Likewise.
15468 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15470 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15473 * m88k/m88k.c (output_function_profiler): Likewise.
15475 * sparc/sparc.c (sparc_flat_output_function_prologue,
15476 sparc_flat_output_function_epilogue): Likewise.
15478 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15480 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15481 warning from -Wuninitialized and put it under -W.
15482 * function.c (uninitialized_vars_warning): Warn only when the
15483 corresponding flag is set.
15485 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15487 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15488 is nonzero and the single set does not have an elt, then assign
15491 * simplify-rtx.c: New file.
15492 * Makefile.in (OBJS): Add simplify-rtx.o
15493 (simplify-rtx.o): Add dependencies.
15494 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15495 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15496 (cse_gen_binary, simplify_unary_operation): Delete.
15497 (simplify_binary_operation, simplify_plus_minus): Likewise.
15498 (check_fold_consts, simplify_relation_operation): Likewise.
15499 (simplify_ternary_operation): Likewise.
15500 (delete_trivially_dead_insns): Simplify the contents of the
15501 REG_EQUAL note before trying to substitute it into the source
15502 of the reg-reg copy at the end of a libcall sequence.
15504 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15505 references/callers changed.
15507 * mn10200.c (mn10200_va_arg): Force the return value into a
15510 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15512 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15515 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15517 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15519 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15521 * fold-const.c (fold): Fix thinko when optimizing comparisons
15524 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15526 * gcc.texi (Passes): Update front-end files to their current
15529 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15531 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15532 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15533 (PREDICATE_CODES): Add addition_operation.
15534 * alpha-protos.h (addition_operation): Declare.
15535 (secondary_reload_class): Likewise.
15536 * alpha.c (addition_operation): New.
15537 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15538 * alpha.md (adddi3): Turn into expander.
15539 (*lda, *adddi_2): New.
15540 (movsf, movdf patterns): Don't preference integer regs.
15541 (movsi, movdi patterns): Don't preference fp regs.
15543 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15545 * genrecog.c (write_switch): Check for duplicate CODE cases.
15547 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15549 * ggc-common.c: Update pre-function commentary.
15550 * ggc-page.c: Likewise.
15552 (poison_pages): Use memset directly.
15553 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15554 (ggc_collect): Poison before sweeping.
15555 * ggc-simple.c: Update pre-function commentary.
15556 (ggc_alloc_obj): Poison non-zeroed memory.
15558 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15560 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15561 match format string, even on 64-bit hosts.
15562 * gcc-page.c (ggc_page_print_statistics): Likewise.
15564 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15566 * config/i386/i386.c (ix86_cpu): Revert last patch.
15567 * config/i386/i386.h (ix86_cpu): Ditto.
15569 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15571 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15572 TYPE_SIZE, convert type of result to sizetype.
15574 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15576 * flow.c (count_or_remove_death_notes): Equate NULL with the
15579 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15580 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15583 * i386.c (pic_label_no): Delete.
15584 (ix86_attr_length_default): Don't use single_set to peek
15587 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15588 the first insn after bb->end.
15589 * i386.md (push mem peeps): Scratch is live after evaluation
15591 (cmp mem peep): Similarly.
15593 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15595 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15596 * function.c (pad_to_arg_alignment): Add missing braces.
15598 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15600 * alpha/alpha-protos.h (literal_section): Add prototype.
15601 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15604 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15606 (alpha_start_function, alpha_end_function, float_strings,
15607 alpha_need_linkage): Constify a char*
15609 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15611 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15613 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15615 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15617 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15619 * flow.c (debug_flow_info): Add prototype.
15621 * gcc.c (main): Likewise.
15623 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15626 * reload1.c (failed_reload, set_reload_reg): Likewise.
15628 * mips-tfile.c (main): Likewise.
15629 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15630 with ATTRIBUTE_NORETURN.
15632 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15634 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15635 DECL is not a memory ref.
15637 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15639 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15640 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15642 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15644 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15645 * config/mips/elf64.h: ditto.
15647 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15649 * expr.c (emit_push_insn): New argument alignment_pad.
15650 Update all callers. Adjust stack pointer based on alignment pad.
15651 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15652 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15653 (locate_and_pad_parm): New argument alignment_pad. Update all
15655 * expr.h (emit_push_insn): Update prototype.
15656 (locate_and_pad_parm): Update prototype.
15657 * calls.c (arg_data): Add new field alignment_pad.
15658 (initialize_argument_information): Initialize alignment_pad.
15660 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15662 * except.c (free_eh_nesting_info): Free the info itself.
15663 * function.c (free_after_compilation): Don't free NULL.
15664 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15665 (pre_edge_insert): Free inserted.
15666 * stmt.c (free_stmt_status): Don't free NULL.
15668 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15670 * gcov.c (DIR_SEPARATOR): Provide default.
15671 (output_data): Add test for MS-DOS format absolute filename.
15672 (fancy_abort): Correct program name.
15673 (open_files): Open all files in binary mode.
15674 * libgcc2.c (__bb_exit_func): Likewise.
15676 * profile.c (init_branch_prob): Specify binary when opening files.
15678 * flags.h (flag_unwind_tables): New decl.
15679 * toplev.c (flag_unwind_table): New definition.
15680 (f_options): Add -funwind-tables.
15681 (decode_g_option): Clarify warning when unknown -g option is given.
15682 (rest_of_compilation): If inside an inlined external function,
15683 pretend we are just being declared.
15685 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15686 (dwarf2out_frame_finish): Likewise.
15688 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15690 * fold-const.c (merge_ranges): If not in0, but in1, handle
15691 upper bounds equal like subset case.
15693 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15695 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15696 passed in a register but moved to the stack.
15698 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15700 * gcc.c (pass_exit_codes, greatest_status): New variables.
15701 (struct option_map): Add entry for "--pass-exit-codes".
15702 (execute): Update greatest_status if error.
15703 (display_help): Add documentation for -pass-exit-codes.
15704 (process_command): Handle -pass-exit-codes.
15705 (main): Look at pass_exit_codes and greatest_status on call to exit.
15707 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15709 * reload.c (find_reloads): Refine test for no input reload
15710 case to not includes reloads emitted after insn.
15712 * function.c (find_temp_slots_from_address): Handle sum involving
15713 a register that points to a temp slot.
15714 (update_temp_slot_address): Make recursive call if both old and
15715 new are PLUS with a common operand.
15716 * calls.c (expand_call): Mark temp slot for result as having
15719 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15721 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15722 component as well as "BINUTILS".
15724 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15725 * integrate.c (copy_rtx_and_substitute): Likewise.
15726 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15727 All callers changed.
15728 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15730 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15731 gdb extensions, write size of type; also be more consistent
15732 in using references when this is a subtype.
15734 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15735 that is out of range.
15737 * loop.c (unknown_constant_address_altered): New variable.
15738 (prescan_loop): Initialize it.
15739 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15740 (invariant_p, case MEM): Remove handling for volatile and readonly;
15741 check new variable if readonly.
15742 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15744 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15745 (addr_affects_sp_p): Removed from note_mem_written and only
15746 define #ifdef AUTO_INC_DEC.
15748 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15750 * regclass.c (record_reg_classes): Properly handle register move
15753 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15754 Don't think valid if both operands are invalid.
15755 (struct constant_descriptor): New field RTL.
15756 (mark_const_hash_entry): Mark it.
15757 (record_constant{,_rtx}): Initialize it.
15758 (output_constant_def): Allocate RTL in permanent obstack and
15760 ({record,compare}_constant_1): Modes must match for
15761 CONSTRUCTOR of ARRAY_TYPE.
15763 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15764 * output.h (initializer_constant_valid_p): Move decl to here.
15765 * c-common.c (initializer_constant_valid_p): Delete function from here.
15766 * varasm.c (initializer_constant_valid_p): Move function to here.
15768 * tree.h (STRIP_SIGN_NOPS): New macro.
15769 * fold-const.c (optimize_minmax_comparison): New function.
15770 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15771 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15772 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15773 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15774 widening conversions.
15775 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15776 to look at size of mode, not precision of type; also add missing cases.
15777 (optimize_bit_field_compare, decode_field_reference): Don't try to
15778 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15780 * dwarf2out.c (ctype.h): Include.
15781 (dwarf2out_set_demangle_name_func): New function.
15782 (size_of_line_info): Deleted.
15783 (output_line_info): Compute size of line info table from difference
15785 (base_type_die, add_name_attribute): Call demangle function, if any.
15786 (field_byte_offset): Use bits per word for variable length fields.
15787 (gen_array_type_die): Add array name.
15788 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15789 (dwarf2out_add_library_unit_info): New function.
15791 * explow.c (set_stack_check_libfunc): New function.
15792 (stack_check_libfunc): New static variable.
15793 (probe_stack_range): Allow front-end to set up a libfunc to call.
15795 * combine.c (simplify_comparison): When making comparison in wider
15796 mode, check for having commuted an AND and a SUBREG.
15797 (contains_muldiv): New function.
15798 (try_combine): Call it when dividing a PARALLEL.
15799 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15800 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15802 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15803 use one of the CLOBBERs instead.
15804 (if_then_else_cond): If comparing against zero, just return thing
15807 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15808 Don't generate shifts and subtract if have conditional arithmetic.
15810 * rtl.h (delete_barrier): New declaration.
15811 * jump.c (jump_optimize): Set up to handle conditional call.
15812 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15813 (delete_barrier): New function.
15815 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15817 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15819 * tree.c (build_type_attribute_variant): Push to obstack of
15820 ttype around type_hash_canon call.
15822 * expr.c (placeholder_list): Move decl to file scope.
15823 (expand_expr): Don't force access to volatile just because its
15825 If ignoring reference operations, just expand the operands.
15826 (expand_expr, case COMPONENT_REF): Propagate
15827 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15828 Refine test for using bitfield operations vs pointer punning.
15829 (expand_expr, case CONVERT_EXPR): If converting to
15830 BLKmode UNION_TYPE from BLKmode, just return inner object.
15831 Use proper mode in store_field call.
15832 Properly set sizes of object to store and total size in store_field
15833 call for convert to union.
15834 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15835 memory (like for ADDR_EXPR). Also, don't put constant in register if
15836 we'll want it in memory.
15837 (readonly_fields_p): New function.
15838 (expand_expr, case INDIRECT_REF): Call it if LHS.
15839 (expand_assignment): Handle a RESULT_DECL where
15840 DECL_RTL is a PARALLEL.
15841 (do_jump, case WITH_RECORD_EXPR): New case.
15842 (get_inner_reference): Always go inside a CONVERT_EXPR
15843 and NOP_EXPR if both modes are the same.
15844 (store_field): Use bitfield operations if size of bitsize is not same
15845 as size of RHS's type.
15846 Check for bitpos not a multiple of alignment in BLKmode case.
15847 Do block move in largest possible alignment.
15848 (store_constructor): Set BITSIZE to -1 for variable size and properly
15849 in case of array of BLKmode.
15850 (expand_expr_unaligned): New function.
15851 (do_compare_and_jump): Call it.
15853 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15854 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15855 does not include 'o'.
15857 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15858 both SET_DEST and SET_SRC reference a virtual register.
15859 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15861 * integrate.c (expand_inline_function): Handle case of setting
15862 virtual stack vars register (from built in setjmp); when parameter
15863 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15864 (subst_constant): Add new parm, MEMONLY.
15865 (expand_inline_function, integrate_parm_decls): Pass new parm.
15866 (integrate_decl_tree): Likewise.
15867 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15868 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15869 (copy_rtx_and_substitute, case SET): Add explicit calls to
15870 copy_rtx_and_substitute for both sides.
15872 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15874 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15875 within INDEX_TYPE, instead of before.
15876 (fixup_gotos): Use f->target_rtl, not the next insn,
15877 since latter may be from a later fixup.
15878 (expand_value_return): Correctly convert VAL when promoting function
15879 return; support RETURN_REG being a PARALLEL.
15880 (expand_return): When checking for result in regs and having
15881 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15883 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15885 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15886 last_nominal_fname): Mark const.
15887 (struct include_hash: name, nshort, control_macro): Mark
15889 (struct macrodef: symnam): Mark const.
15890 (struct if_stack: fname): Mark const.
15891 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15892 (IStable): New character-syntax array which encompasses all
15893 the old is_foo arrays.
15894 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15895 is_space): New macros for interrogating IStable.
15896 (check_macro_name): Kill last argument. All callers changed.
15898 * cppinit.c (initialize_char_syntax): Delete.
15899 (is_idchar, is_idstart, is_hor_space, is_space,
15900 trigraph_table): Delete.
15901 (IStable): New. Initialize with clever macros to avoid
15902 information duplication.
15903 (builtin_array): Table of builtins to get rid of explicit list
15904 in initialize_builtins.
15905 (initialize_builtins): Use builtins_array.
15906 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15907 opts->dollars_in_ident.
15909 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15911 (cpp_parse_expr): Avoid 'format string is not constant'
15912 warning. Use ISGRAPH to identify printable chars.
15913 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15915 (read_and_prescan): Map trigraphs to chars with open-coded
15916 if-else-if-... sequence, not a lookup table.
15917 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15919 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15920 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15921 (check_macro_name): Remove ability to report an invalid
15922 assertion name, which is never used.
15923 (do_line): Constify a couple of char *'s.
15924 * cppmain.c (main): Call cpp_cleanup before returning.
15926 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15928 * ggc.h (struct ggc_statistics): New type.
15929 (ggc_get_size): New function.
15930 (ggc_print_statistics): Likewise.
15931 * ggc-common.c (ggc_stats): New variable.
15932 (ggc_mark_rtx_children): Keep statistics.
15933 (ggc_mark_tree_children): Likewise.
15934 (ggc_print_statistics): New function.
15935 * ggc-page.c (struct globals): Add bytes_mapped field.
15936 (alloc_anon): Update it.
15937 (release_pages): Likewise.
15938 (ggc_get_size): New function.
15939 (ggc_page_print_statistics): New function.
15940 * ggc-simple.c (ggc_get_size): New function.
15942 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15944 * flow.c (propagate_block): When the last reference to a label
15945 before an ADDR_VEC is deleted because the reference is a dead
15946 store, delete the ADDR_VEC.
15948 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15950 * resource.c (find_free_register): Don't use the frame pointer
15951 if frame_pointer_needed.
15953 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15955 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15956 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15958 * config/i960/i960.c (i960_va_start): New locals base, num.
15959 Use INDIRECT_REF instead of ARRAY_REF on valist.
15960 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15962 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15964 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15966 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15968 * tree.def (PLACEHOLDER_EXPR): Update comments.
15970 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15972 * c-common.c (check_format_info): Avoid non-literal format string
15973 warnings when `first_arg_num' is zero.
15975 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15977 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15979 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15981 * arm.md (casesi_insn): Add a clobber of the condition code
15984 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15986 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15987 used by both cc1 and cc1plus.
15989 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15991 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15992 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15993 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15994 to the value 32 if it has not already been defined.
15995 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15996 Override definition in arm.h with a value of 8.
15998 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16000 * c-pragma.c (push_alignment): Don't check the return value
16003 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16005 * sparc.h (ADJUST_COST): Fix thinko.
16007 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16009 * cccp.c (rescan): Fixed obp pointer handling around call to
16010 check_expand subroutine.
16012 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16014 * gcse.c (delete_null_pointer_checks): Only record non-null info
16015 for pseudos when examining stores.
16017 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16018 splitters for these patterns. Use "#" for output templates.
16019 (addsi3_carryin_shift): New pattern.
16021 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16023 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16024 of the function return register into a plain REG until
16025 after function inlining is done.
16027 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16029 * jump.c (jump_optimize_1): If we did cross-jumping, and
16030 the data will matter, rebuild the CFG.
16031 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16032 not optimizing. Don't run shorten_branches.
16033 * toplev.c (rest_of_compilation): Run shorten_branches after
16036 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16038 * rtl.h (note_stores): Add additional paramter.
16039 * rtlanal.c (reg_set_p_1): Take additional paramter.
16040 (reg_set_last_1): Likewise.
16041 (reg_set_p): Adjust call to note_stores.
16042 (reg_set_last): Likewise.
16043 (note_stores): Pass data parameter to worker function.
16044 * alias.c (record_set): Take additional parameter.
16045 (init_alias_analysis): Pass it.
16046 * caller-save.c (mark_set_regs): Take additional parameter.
16047 (save_call_clobbered_regs): Pass NULL to note_stores.
16048 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16050 (record_dead_and_set_regs_1): Likewise.
16051 (reg_dead_at_p_1): Likewise.
16052 (combine_instructions): Adjust calls to note_stores.
16053 (try_combine): Likewise.
16054 (record_dead_insn): Remove.
16055 (record_dead_and_set_regs): Adjust calls to note_stores.
16056 (reg_dead_at_p): Likewise.
16057 * cse.c (invalidate_skipped_set): Take additional parameter.
16058 (cse_check_loop_start): Likewise.
16059 (cse_check_loop_start_value): Remove.
16060 (cse_set_around_loop): Adjust calls to note_stores.
16061 * flow.c (notice_stack_pointer_modification): Take additional
16062 parameter. Remove duplicate declaration.
16063 (record_volatile_insns): Adjust calls to note_stores.
16064 * gcse.c (record_set_info): Take additional parameter.
16065 (record_last_set_info): Likewise.
16066 (invalidate_nonnull_info): Likewise.
16067 (record_set_insn): Remove.
16068 (compute_sets): Adjust calls to note_stores.
16069 (last_set_insn): Remove.
16070 (compute_hash_table): Adjust calls to note_stores.
16071 (insert_insn_end_bb): Likewise.
16072 (delete_null_pointer_checks): Likewise.
16073 * global.c (mark_reg_store): Take additional parameter.
16074 (mark_reg_clobber): Likewise.
16075 (reg_becomes_live): Likewise.
16076 (global_conflicts): Adjust calls to note_stores.
16077 (build_insn_chain): Likewise.
16078 * integrate.c (note_modified_parmregs): Take additional parameter.
16079 (mark_stores): Likewise. Make it static.
16080 (save_for_inline_nocopy): Adjust calls to note_stores.
16081 (try_constants): Likewise.
16082 * integrate.h (mark_stores): Remove declaration.
16083 * jump.c (mark_modified_reg): Take additional parameter.
16084 (thread_jumps): Adjust calls to note_stores.
16085 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16087 (no_equiv): Likewise.
16088 (reg_is_set): Likewise.
16089 (validate_equiv_mem): Adjust calls to note_stores.
16090 (update_equiv_regs): Likewise.
16091 (block_alloc): Likewise.
16092 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16093 (note_addr_stored): Take additional parameter.
16094 (note_set_pseudo_multiple_uses): Likewise.
16095 (record_initial): Likewise.
16096 (prescan_loop): Adjust calls to note_stores.
16097 (strength_reduce): Likewise.
16098 (check_dbra_loop): Likewise.
16099 * regmove.c (flags_set_1): Take additional paramter.
16100 (mark_flags_life_zones): Adjust calls to note_stores.
16101 * reload1.c (mark_not_eliminable): Take additional parameter.
16102 (forget_old_reloads_1): Likewise.
16103 (reload_cse_invalidate_rtx): Likewise.
16104 (reload_cse_check_clobber): Likewise.
16105 (reload_combine_note_store): Likewise.
16106 (move2add_note_store): Likewise.
16107 (reload): Adjust calls to note_stores.
16108 (reload_as_needed): Likewise.
16109 (emit_reload_insns): Likewise.
16110 (reload_cse_regs_1): Likewise.
16111 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16112 (reload_combine): Adjust calls to note_stores.
16113 * resource.c (update_live_status): Take additional paramter.
16114 (mark_target_live_regs): Adjust calls to note_stores.
16115 * stupid.c (find_clobbered_regs): Take additional parameter.
16116 (stupid_life_analysis): Adjust calls to note_stores.
16118 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16120 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16123 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16126 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16127 of the variable arm_structure_size_boundary.
16129 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16131 * alias.c (init_alias_analysis): Allocate reg_known_value and
16132 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16134 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16135 * cse.c (cse_main): Call end_alias_analysis.
16136 * haifa-sched.c (schedule_insns): Likewise.
16137 * local-alloc. (update_equiv_regs): Likewise.
16138 * reload1.c (reload_cse_regs): Likewise.
16140 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16142 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16143 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16144 mapping from MASK_FPU.
16146 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16148 * sparc.md (call): Don't bound structure return size to 0xfff.
16150 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16152 * resource.c (mark_target_live_regs): Check that the target
16153 insn wasn't created after compute_bb_for_insn.
16155 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16157 * ggc-page.c (poison_pages): Don't be overzealous.
16159 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16161 * alias.c: Update comments for ADDRESS.
16162 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16163 it is a local memory reference.
16165 * c-typeck.c (build_function_call): Check that the built-in
16166 function is of class BUILT_IN_NORMAL before trying to recongize
16167 it as BUILT_IN_ABS.
16168 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16169 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16171 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16173 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16175 (pre_gcse): Likewise.
16176 (hoist_expr_reaches_here_p): Likewise.
16177 (hoist_code): Likewise.
16178 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16180 (pre_expr_reaches_here_p_work): ... here.
16181 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16183 (expr_reaches_here_p_work): ... here.
16185 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16187 * resource.c (find_basic_block): Delete.
16188 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16189 (init_resource_info): Call compute_bb_for_insn.
16191 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16193 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16194 with already adjacent blocks, but no fallthru.
16195 (merge_blocks_move_successor_nojumps): Simplify.
16196 (debug_flow_info): New.
16198 * toplev.c (rest_of_compilation): Open jump1 dump file before
16199 jump and close after, as opposed to just using dump_rtl.
16201 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16203 * reload.h (earlyclobber_operand_p): Declare.
16204 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16205 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16206 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16207 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16209 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16210 Richard Henderson <rth@cygnus.com>
16212 * emit-rtl.c (emit_block_insn_before): New.
16213 (emit_block_insn_after): New.
16214 * basic-block.h: Declare them.
16216 * bitmap.h: Protect from multiple inclusion.
16218 * recog.c (scratch_operand): Handle VOIDmode correctly.
16220 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16222 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16223 * function.c (assign_parms): Likewise.
16224 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16226 * reg-stack.c (max_uid): Remove.
16227 (blocks, block_begin, block_end, block_drops_in): Remove.
16228 (block_stack_in, block_out_reg_set, block_number): Remove.
16229 (struct block_info_def, BLOCK_INFO): New.
16230 (enum emit_where): New.
16231 (current_block): New.
16232 (BLOCK_NUM): Remove.
16233 (mark_regs_pat, record_label_references): Remove.
16234 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16236 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16237 (reg_to_stack): Simplified test for existance of fp code. Use
16238 flow.c code. Call shorten_branches after cross-jump opt.
16239 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16240 Return false if the asm doesn't use stack regs. Don't do life
16241 analysis on the asm.
16242 (emit_pop_insn): Replace function pointer arg `when' with
16243 enum `where'. Update all callers.
16244 (change_stack): Likewise. Update basic block end.
16245 (emit_swap_insn): Use current_block->head to limit reverse search
16246 for start of block. Use emit_block_insn_after.
16247 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16248 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16249 structure assignment instead of bcopy.
16250 (print_stack): New.
16251 (convert_regs_entry, convert_regs_exit): New.
16252 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16253 Work on basic blocks and the CFG.
16254 (convert_regs): Use them.
16256 * i386.c (output_fix_trunc): Remove code for DImode input operand
16257 not at top-of-stack.
16258 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16260 (fix_truncdi_1): Allow any mode scratch.
16262 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16264 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16265 * linux.h, netbsd.h, vms.h: Not here.
16267 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16269 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16270 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16271 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16272 CONDITIONAL_REGISTER_USEAGE): Use them.
16273 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16274 gen_conditional_branch,override_options) : Use them.
16275 * config/mips/mips.md : Use them.
16277 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16279 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16281 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16283 * integrate.c (function_cannot_inline_p): Don't allow inlining
16286 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16288 * c-parse.in (cast_expr): Constify.
16290 * cccp.c (special_symbol): Likewise.
16292 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16294 * dwarf2out.c (base_type_die): Likewise.
16296 * global.c (allocno_compare): Likewise.
16298 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16300 * regclass.c (fix_register): Likewise.
16302 * rtl.h (fix_register): Likewise.
16304 * stupid.c (stupid_reg_compare): Likewise.
16306 * toplev.c (decode_f_option): Likewise.
16308 * tree.c (build_complex_type): Likewise.
16310 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16312 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16314 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16316 * reload.c (find_reloads): Compute mode and nregs fields of all
16318 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16319 (calculate_needs): Use precomputed mode/nregs values.
16320 (allocate_reload_reg): Likewise.
16322 (failed_reload, set_reload_reg): ... new functions.
16323 (choose_reload_regs_init): New function, mostly broken out from...
16324 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16325 Also lose one #if 0 block.
16327 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16329 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16332 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16334 * tree.h (BLOCK_TYPE_TAGS): Remove.
16335 (BLOCK_END_NOTE): Likewise.
16336 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16337 (BLOCK_LIVE_RANGE_START): Likewise.
16338 (BLOCK_LIVE_RANGE_END): Likewise.
16339 (tree_block): Remove live_range_flag, live_range_var_flag, and
16340 type_tags. Remove end_note, live_range_start, and live_range_end.
16341 (remember_end_note): Remove prototype.
16342 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16343 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16345 * ggc-common.c (ggc_mark_tree_children): Don't mark
16346 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16347 * integrate.c (adjust_copied_decl_tree): Remove.
16348 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16349 * stmt.c (last_block_end_note): Remove.
16350 (init_stmt): Don't add a GC root for it.
16351 (expand_fixup): Don't set it.
16352 (remember_end_note): Remove.
16353 (expand_end_bindings): Don't set last_block_end_note.
16355 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16357 * reload1.c (reload_reg_free_for_value_p): Show
16358 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16361 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16363 * expmed.c (extract_bit_field): Allow for the case of non-integer
16364 objects that are smaller than a word (like SFmode on a 64-bit
16367 * loop.c (basic_induction_var): A non-integer variable which is
16368 being set by a paradoxical subreg is probably not a biv.
16370 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16372 * prefix.c (translate_name) Check for empty prefix string.
16374 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16376 * Makefile.in (CPP_CROSS_NAME): New variable.
16377 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16379 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16380 names of the files to be uninstalled.
16382 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16384 * collect2.c (IS_DIR_SEPARATOR): Define.
16385 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16387 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16390 * haifa-sched.c (add_dependence): Update the true dependency
16391 cache the first time we add a true dependence to the LOG_LINKS chain.
16393 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16395 * fold-const.c (fold): Fix comment.
16397 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16399 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16400 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16401 dbxout_start_new_source_file, dbxout_source_file,
16402 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16403 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16405 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16406 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16407 (dbxout_block): Initialize variable `blocknum'.
16409 * dbxout.h (dbxout_init, dbxout_finish,
16410 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16411 dbxout_args, dbxout_source_line): Constify a char*.
16413 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16414 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16415 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16416 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16417 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16418 src_info_attribute, mac_info_attribute, producer_attribute,
16419 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16420 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16421 dwarfout_undef): Constify a char*.
16422 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16424 * dwarfout.h (dwarfout_define, dwarfout_undef,
16425 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16427 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16429 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16430 (MULTILIB_ISA_DEFAULT): New.
16431 (MULTILIB_DEFAULTS): Use it.
16432 * config/mips/mips.c (): Remove the now unnecessary definition
16433 of MIPS_ISA_DEFAULT.
16434 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16435 unnecessary definition.
16437 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16439 * arm.md (pic_load_addr): Add constraints to operand 1.
16441 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16443 * fixinc/genfixes: Provide a means for specifying -D options to
16446 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16448 * arm.c (arm_override_options): Correct initialization of
16449 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16450 arm_is_strong, and arm_is_6_or_7.
16452 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16453 (note_set_pseudo_multiple_uses): New function.
16454 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16455 if a pseudo set in the loop exit is used elsewhere.
16457 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16459 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16461 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16463 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16464 a single load-address pattern.
16466 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16468 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16469 depending on whether or not line-number notes are present.
16471 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16473 * cccp.c (progname, file_buf, default_include, include_file,
16474 macrodef, definition, hashval, wchar_type, user_label_prefix,
16475 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16476 expand_to_temp_buffer, is_system_include, base_name,
16477 absolute_filename, read_name_map, open_include_file,
16478 record_control_macro, check_precompiled, check_preconditions,
16479 pcfinclude, pass_thru_directive, create_definition,
16480 check_macro_name, comp_def_part, collect_expansion,
16481 check_assertion, read_token_list, assertion_install,
16482 assertion_lookup, eval_if_expression, conditional_skip,
16483 validate_else, skip_quoted_string, quote_string, macarg1,
16484 error_from_errno, install, lookup, hashf, dump_defn_1,
16485 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16486 check_white_space, rescan, handle_directive, monthnames,
16487 special_symbol, do_include, remap_include_file, write_output,
16488 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16489 do_ident, do_sccs, do_xifdef, skip_if_group,
16490 output_line_directive, macroexpand, macarg, change_newlines,
16491 initialize_builtins, make_definition): Constify a char*.
16493 * pcp.h (stringdef): Likewise.
16495 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16497 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16500 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16501 Richard Henderson <rth@cygnus.com>
16503 * alias.c: Include ggc.h.
16504 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16505 (record_set): Verify enough room in reg_base_value.
16506 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16507 Register it as a GC root.
16508 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16509 * Makefile.in (alias.o): Depend on ggc.h.
16511 * unroll.c (unroll_loop): Verify the insn before a barrier
16512 is a JUMP_INSN before checking JUMP_LABEL.
16514 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16516 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16517 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16518 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16519 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16520 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16521 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16523 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16525 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16527 * alpha/alpha-interix.h (text_section): Delete prototype.
16528 * alpha/elf.h (text_section): Likewise.
16529 * arm/linux-elf.h (text_section): Likewise.
16530 * arm/linux-telf.h (text_section): Likewise.
16531 * c4x/c4x.h (text_section): Likewise.
16532 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16533 * elfos.h (text_section): Likewise.
16534 * i386/aix386ng.h (text_section): Likewise.
16535 * i386/i386-interix.h (text_section): Likewise.
16536 * i386/sco5.h (text_section): Likewise.
16537 * i386/svr3gas.h (text_section): Likewise.
16538 * nextstep.h (text_section): Likewise.
16539 * psos.h (text_section): Likewise.
16540 * ptx4.h (text_section): Likewise.
16541 * svr3.h (text_section): Likewise.
16542 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16544 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16546 * final.c (peephole): Delete prototype.
16548 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16549 (pre_insert_copies): Remove unused variable `bb'.
16551 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16554 * output.h (peephole): Add prototype.
16556 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16558 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16561 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16563 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16564 for inlined declarations.
16566 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16568 * arm.c (logical_binary_operator): New fucntion.
16569 * arm.h (logical_binary_operator): Declare it.
16570 (PREDICATE_CODES): Handle logical_binary_operator.
16571 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16572 output constraints. Add appropriate splitters.
16573 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16574 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16575 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16577 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16579 * genoutput.c (struct operand_data): New elt eliminable.
16580 (output_operand_data): Write it.
16581 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16582 (compare_operands): Take it into account.
16583 * recog.h (struct insn_operand_data): New elt eliminable.
16584 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16586 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16587 (eliminate_regs): Move code that detects changes to elimination
16588 target regs into new function elimination_effects.
16589 Delete one #if 0 block.
16590 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16591 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16592 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16593 Only call eliminate_regs for real operands of the insn, not for parts
16594 of its structure or parts matched by things like match_operator.
16595 Use elimination_effects and check_eliminable_occurrences. Use
16596 copy_insn to duplicate the pattern when not in the final pass.
16598 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16600 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16603 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16605 * fixinc/README: document the "mach" machine matching test
16606 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16607 * fixinc/fixtests.c: Implement the #else/#endif label test
16608 * fixinc/inclhack.def: utilize these tests and fixes
16609 * fixinc/inclhack.sh: regen
16610 * fixinc/fixincl.x: regen
16611 * fixinc/fixincl.sh: regen
16613 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16615 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16618 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16620 * gcc.1: Document exit codes.
16622 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16624 * calls.c: Include tm_p.h later, so everything we need is defined.
16625 * expr.c: Likewise.
16626 * function.c: Likewise.
16628 * except.c: Include tm_p.h.
16630 * sparc.c: Likewise.
16631 (dwarf2out_cfi_label): Don't prototype.
16632 (check_return_regs, epilogue_renumber,
16633 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16634 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16635 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16636 ultra_schedule_insn): Add static prototype.
16637 (data_segment_operand, text_segment_operand): Call itself with the
16638 proper number of arguments.
16639 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16641 * sparc.h: Move all declarations to sparc-protos.h.
16642 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16645 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16647 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16649 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16650 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16651 ASM_OUTPUT_ASCII): Constify a char*.
16653 * sparc-protos.h: New file for sparc prototypes.
16655 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16657 * function.c (record_insns, contains): Always declare and define.
16658 (record_insns): Mark with ATTRIBUTE_UNUSED.
16660 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16662 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16663 to .section when outputting a .bss section to deal with multiple
16664 .bss input sections (as happens with -fdata-sections)
16665 Also output %progbits, not @progbits so the assembler doesn't treat as
16667 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16669 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16670 thumb parts even when building with non-thumb CPUs, by forcing
16673 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16675 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16676 (movdf_const_intreg_sp64): Similarly.
16678 * local-alloc.c (update_equiv_regs): Check the correct insn
16679 for pre-existing REG_EQUIV notes.
16681 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16683 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16684 block reached by a branch if we're not going to actually process
16687 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16689 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16690 a local extern function declaration.
16692 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16694 * i386.c (ix86_expand_prologue): Properly wrap USE around
16695 reg for CALL_INSN_FUNCTION_USAGE.
16697 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16699 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16700 move between GP_REGs.
16702 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16704 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16705 the mode size when finding out if an offset is legal.
16707 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16709 * basic-block.h (PROP_*): Move constants from ...
16710 * flow.c: ... here.
16711 (compute_bb_for_insn): Free the array before reallocating.
16712 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16713 (allocate_reg_life_data): Reset all reg variables collected by
16715 (get_block_head_tail): Don't convert from bb to block.
16716 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16717 (find_insn_reg_weight): Take block not bb.
16718 (schedule_block): Don't set block num for moved insns.
16719 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16720 (schedule_insns): Do it here instead.
16721 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16722 before update_life_info.
16723 * recog.c (split_all_insns, peephole2_optimize): Update for
16724 new arg to update_life_info.
16725 * rtlanal.c (remove_note): Cope with NULL note.
16726 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16729 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16731 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16733 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16734 block records so that merge_blocks_nomove will clean up correctly.
16735 (split_edge): Handle casesi insns.
16737 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16739 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16741 * pa.md (call, call_value): Do not emit a blockage after restoring
16744 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16746 * c-typeck.c (c_expand_asm_operands): Fix typo.
16748 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16750 * arm.c (fpu_rhs_operand): Verify modes.
16751 (fpu_add_operand): Likewise.
16752 (di_operand): Likewise.
16753 (soft_df_operand): Likewise.
16755 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16757 * arm.c (arm_return_in_memory): APCS rules state that the elements
16758 of a structure returned in a register must be 'integer-like'.
16760 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16762 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16763 in the source tree when the generated targets are out of date
16764 * fixinc/genfixes: Alter it to run individual fixes for make.
16765 * fixinc/README: rewrite
16766 * fixinc/inclhack.def: moved initial comments to README
16768 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16770 * toplev.c (main): Do not generate an error message if an
16771 unrecognised command line switch is recognisable by another
16772 language. If extra_warnings are enabled, then generate a
16773 warning message instead.
16775 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16777 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16778 (insert_pack_attributes): Delete prototype.
16780 * c-pragma.c (default_alignment): New static variable.
16781 (push_alignment): Initialize to current effective alignment.
16782 (pop_alignment): Use to set new alignment.
16783 (insert_pack_attributes): Delete function.
16784 (handle_pragma_token): Set default_alignment as well each time
16785 a #pragma pack(<n>) is encountered.
16787 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16789 * reg-stack.c (stack_result): Aggregates are not returned in
16792 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16794 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16796 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16798 * basic-block.h (set_block_num): Declare.
16799 * flow.c (update_life_info): Don't call compute_bb_for_insn
16800 or free_basic_block_vars.
16801 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16802 (insn_orig_block): Remove.
16803 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16804 (schedule_block): Keep BLOCK_NUM up-to-date.
16805 (schedule_insns): Use compute_bb_for_insn.
16806 * recog.c (split_all_insns): Likewise.
16807 (peephole2_optimize): Likewise.
16809 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16811 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16812 if the pic register is used.
16814 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16816 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16817 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16818 if that tests TREE_PERMANENT.
16820 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16822 * cse.c (invalidate_for_call): Do not remove memory references from
16823 the table here. It's handled elsewhere.
16825 * haifa-sched.c (add_dependence): Protect references to the
16826 true dependency cache with #ifdef INSN_SCHEDULING.
16827 (remove_dependence): Similarly.
16829 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16830 to the cfg code that this is a return instruction.
16831 * mn10300.md (return_internal): Similarly.
16833 * combine.c (get_last_value): If the last set of a register
16834 is after subst_low_cuid, then we can not use it to determine
16835 the register's last value.
16837 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16839 * Makefile.in: Back out previous change.
16841 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16843 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16845 * haifa-sched.c (add_dependence): Only check/update the cache
16847 (remove_dependence): Likewise.
16848 (schedule_insns): Only create the true_dependency_cache if the
16849 average number of instructions in a basic block is very large.
16851 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16853 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16854 (ggc-simple.o): Likewise.
16855 (ggc-page.o): Likewise.
16857 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16859 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16860 Prototype for exported functions.
16861 (pre_lcm, pre_rev_lcm): Remove prototypes.
16862 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16863 (compute_available): Move to lcm.c, and change parameter order.
16864 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16865 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16866 (gcse_main): No longer call compute_preds_succs. Rebuild the
16867 set table after reach pre pass.
16868 (pre_insert_map, pre_delete_map, edge_list): New.
16869 (alloc_pre_mem): Allocate edge vectors.
16870 (free_pre_mem): Delete edge vectors.
16871 (compute_pre_data): Call new edge based lcm routines.
16872 (process_insert_insn): New function.
16873 (insert_insn_end_bb): Use it.
16874 (pre_edge_insert): New function.
16875 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16877 (pre_insert_copies): Revamp using new edge based lcm outputs.
16878 (pre_delete): Likewise.
16879 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16881 (compute_code_hoist_vbeinout): New new edge based routines.
16882 * lcm.c: Remove all the old LCM functions. Replace with new ones
16883 that work with the new cfg datastructures and work with edges
16886 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16888 * reload.h (struct reload): Add new fields "mode" and "nregs".
16889 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16890 to reference the "mode" and "nregs" field within struct reload.
16892 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16894 * haifa-sched.c (true_dependency_cache): New.
16895 (add_dependence): Use the true dependency cache to avoid expensive
16896 walks down the LOG_LINKS dependency list. Add entries to the
16897 cache as necessary.
16898 (remove_dependence): Remove entries from the true dependency cache
16900 (schedule_insns): Allocate and initialize and free the true
16903 * haifa-sched.c (schedule_insns): Do not remove inter-block
16904 dependencies anymore.
16906 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16908 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16909 * i386/t-winnt: Likewise.
16911 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16913 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16915 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16917 * Makefile.in (LANGUAGES): Omit "proto".
16918 (clean): Remove stale comment about removing unprotoize.c.
16920 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16922 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16923 using arithmetic on void pointers.
16925 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16927 * haifa-sched.c (compute_block_forward_dependencies): Only check
16928 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16930 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16932 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16933 (expr_equiv_p): Reject memories with different alias sets.
16935 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16937 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16938 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16939 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16940 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16941 (lang_init): Set default for flag_bounds_check if still "unspecified".
16943 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16945 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16947 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16949 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16952 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16954 * config/c4x/c4x.md (*db_noclobber,
16955 *decrement_and_branch_until_zero_noclobber): New patterns and
16956 associated splitters.
16958 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16960 * config/c4x/c4x.md (parallel instruction patterns): Rework
16961 constraints to keep reload happy.
16963 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16965 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16966 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16967 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16968 Add new patterns and associated post-reload splitters.
16970 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16972 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16974 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16976 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16978 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16980 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16982 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16985 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16987 * pa.c (move_operand): Rely on memory_address_p to determine the
16988 validity of non-indexed memory addresses.
16989 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16990 operand in DFmode and SFmode when generating PA2.0 code.
16992 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16994 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16996 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16998 * mips.c (function_prologue): Fix argument types.
16999 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17000 (casesi_internal): Write to the scratch register.
17002 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17004 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17006 (parse_charconst): Delete unnecessary cast when calling
17008 (cpplib.h): Kill prototype of cpp_parse_escape.
17010 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17012 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17013 * unroll.c (unroll_loop): Cast return value of alloca.
17014 * i370/i370.c: Include function.h and toplev.h.
17015 (i370_label_scan): Remove c++ commented abort.
17016 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17017 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17018 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17019 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17021 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17023 * config/t-freebsd: Do not override USER_H.
17024 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17026 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17027 Mumit Khan <khan@xraylith.wisc.edu>
17029 * c-parse.in (component_decl): Support anonymous struct/union.
17031 * c-parse.y: Regenerate.
17032 * c-parse.c: Likewise.
17033 * objc/objc-parse.y: Likewise.
17034 * objc/objc-parse.c: Likewise.
17035 * c-decl.c (finish_struct): Don't sort the fields.
17036 (field_decl_cmp): Delete unused function.
17038 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17040 * sparc.md (movsf_const_intreg): Revert last constraint change.
17041 (movdf_const_intreg_sp32): Likewise.
17043 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17045 * cse.c: Include hashtab.h instead of splay-tree.h
17046 (struct cse_reg_info): No longer use variant union. Add new
17047 field "regno". All references changed to avoid union.
17048 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17049 (free_cse_reg_info): Remove.
17050 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17051 (get_cse_reg_info): Revamp to use expandable hash tables instead
17052 of splay trees. Initialize new fields in cse_reg_info structure.
17053 (new_basic_block): Similarly.
17055 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17057 * genrecog.c (message_with_line): Prototype.
17058 (validate_pattern): Pass along the set for the dest, not a flag.
17059 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17060 Check for PC/CC0 as sources.
17061 (nodes_identical): Check for children position match before
17062 allowing the combination.
17064 * rtl.c (read_rtx): Track line number across \\\n.
17066 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17068 * mips.h (SPECIAL_MODE_PREDICATES): New.
17069 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17070 (movdi+1, movsi+1): Add output reload constraint.
17071 (casesi_internal): Likewise. Fix commentary.
17072 (return_internal): Use pmode_register_operand.
17074 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17076 * 1750a.md (movstrqi): Add missing output reload constraint.
17077 (call_value): Likewise.
17078 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17079 (jmpfdec): Add missing inout reload constraint.
17080 * elxsi.md (addsi patterns): Add missing output reload constraint.
17081 (move from sp): Use @ alternates.
17082 (call_value): No constraint on output.
17083 * fr30.md (movsi_pop): Add missing output reload constraint.
17084 (movsf_constant_store): Likewise.
17085 (splits): Remove constraints.
17086 (subsi3): Add missing mode.
17087 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17088 (call_value): Likewise.
17089 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17090 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17091 * m32r.md (movsicc_internal): Add output reload constraint.
17092 (movstrsi_internal): Add inout reload constraints.
17093 * m88k.h (reg_names): Don't declare.
17094 (SPECIAL_MODE_PREDICATES): New.
17095 * m88k.md (*): Use register_operand not reg_or_0_operand
17097 * mn10200.h (PREDICATE_CODES): New.
17098 * ns32k.md (ffs pattern): Add output reload constraint.
17099 * pdp11.md (sob pattern): Add inout reload constraint.
17100 * sh.md (splits): Remove constraints.
17101 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17102 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17103 * vax.md (jgequ pattern): Add inout reload constraint.
17105 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17107 * configure.in (djgpp): Revert previous patch.
17108 * configure: Rebuit.
17109 * config/i386/djgpp.h: Revert previous patch.
17111 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17113 * fixinc/inclhack.def: Restore patch lost during last merge of
17114 "no_bogosity" branch.
17115 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17117 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17119 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17120 * fixinc/inclhack.def: Same.
17121 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17123 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17125 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17126 as the base of a PLUS.
17128 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17130 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17131 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17133 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17135 * pa.md (post_stw+1): Use pmode_register_operand.
17136 (dcacheflush, icacheflush): Likewise.
17138 * i386.md (movstricthi_1): Allow r/r.
17140 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17142 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17143 to (not (and (arg0) (arg1))). Similary for and.
17145 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17146 fallthrough to associate code.
17147 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17150 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17151 no bits in common; remove XOR to ROTATE conversion.
17153 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17155 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17157 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17159 * config/c4x/c4x.c (dst_operand): New.
17160 (PREDICATE_CODES): Update.
17161 * config/c4x/c4x.h (dst_operand): Declare it.
17162 * config/c4x/c4x.md: Define mode for each unspec usage.
17163 (move patterns): Use dst_operand predicate instead of src_operand.
17164 (movqi_update, movqf_update): Delete.
17166 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17168 * recog.c (pmode_register_operand): New.
17169 * recog.h: Declare it.
17170 * genrecog.c (pred_codes): Likewise.
17171 (special_mode_pred_table): Likewise.
17172 (validate_pattern): Don't warn no mode for address_operand.
17174 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17175 if the operand is not insn-like.
17177 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17178 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17180 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17182 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17184 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17185 instead of general_operand in a SET_DEST. Use const_double_operand
17186 instead of an explicit test against CONST_DOUBLE.
17187 (movsf_const_lo): Add missing register mode.
17188 (goto_handler_and_restore): Add auxiliary test for Pmode.
17189 (flush): Adjust to use address_operand.
17190 (return_sf_no_fpu): Add missing output constraint.
17192 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17194 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17195 for call return value.
17196 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17198 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17200 * toplev.c (main): Only warn about options for other languages.
17201 * collect2.c (main): Pass -w to sub-gcc.
17203 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17205 * flow.c (propagate_block): Add call-clobbered registers to
17208 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17209 zapping mem_set_list.
17210 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17211 (mark_set_1, mark_used_regs): Likewise.
17213 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17215 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17217 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17219 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17220 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17221 options. Also add a new item "C-only Warning Options" to the
17224 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17226 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17227 from multiple calls.
17229 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17231 * i386.md (call value patterns): Move to the end of the file.
17232 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17234 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17236 * configure.in (djgpp configuration): Define extra_objects..
17237 * configure: Rebuilt.
17238 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17239 (DTORS_SECTION_ASM_OP): Define.
17240 (INIT_SECTION_ASM_OP): Define.
17241 (FINI_SECTION_ASM_OP): Define.
17242 (DATA_SECTION_ASM_OP): Define.
17243 (TEXT_SECTION_ASM_OP): Define.
17244 (EH_FRAME_SECTION_ASM_OP): Define.
17245 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17246 (STARTFILE_SPEC): Add crtbegin.o.
17247 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17248 to here from LINK_COMMAND_SPEC.
17249 (DO_GLOBAL_CTORS_BODY): Define.
17250 (CRTSTUFF_USE_FINI_SECTION): Define
17251 (HAS_INIT_SECTION): Delete.
17253 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17255 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17257 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17259 * pa.h (PREDICATE_CODES): New.
17261 * genrecog.c (validate_pattern): Condense the destination
17262 non-lvalue message.
17264 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17266 * alpha.md (call-1): Supply missing mode for operator.
17267 (*): Add missing output reload constraints. Remove constraints
17268 from define_splits.
17270 * i386.h (SPECIAL_MODE_PREDICATES): New.
17271 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17272 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17273 (addsi_lea_3): Add missing mode for op 3.
17274 (prologue_set_got, prologue_get_pc): Add missing modes.
17275 (*) Add missing output reload constraints.
17277 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17279 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17280 check for member bit-size overflow and use var_size if it occurs.
17281 (layout_record): Use bitsize_int() to define the type size in bits.
17282 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17283 (layout_decl): Likewise when assigning to DECL_SIZE.
17285 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17287 * genrecog.c (validate_pattern): Typo last change. Verify
17288 that output operands have output reloads.
17290 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17292 * genrecog.c (special_mode_pred_table): New.
17293 (NUM_SPECIAL_MODE_PREDS): New.
17294 (find_operand): New.
17295 (validate_pattern): New argument `insn'. Warn for assignment to
17296 any predicate accepting non-lvalues. Conditionaly warn for
17297 match_operand without a mode. Try much harder to match source
17298 and destination modes on a set.
17299 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17301 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17303 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17305 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17307 * combine.c (simplify_logical): Recognize xor pattern that encodes
17310 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17312 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17315 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17317 * ggc-page.c (MAP_FAILED): Provide default.
17319 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17321 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17322 * sparc.h (PREDICATE_CODES): Update.
17324 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17326 * alpha.c (some_ni_operand): New.
17327 * alpha-protos.h: Declare it.
17328 * alpha.h (PREDICATE_CODES): Update.
17329 * alpha.md (sXaddq reload insns): Use some_ni_operand
17330 for SET_DEST instead of some_operand.
17332 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17333 Jim Wilson <wilson@cygnus.com>
17335 * genrecog.c (maybe_both_true_2): Don't compare modes of
17337 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17338 after find_afterward.
17339 (debug_decision_1): Dump next and afterward codes.
17341 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17343 * rtl.c (dump_and_abort): Remove.
17344 (fatal_with_file_and_line): New.
17345 (fatal_expected_char): New.
17346 (read_rtx_lineno, read_rtx_filename): New.
17347 (read_skip_spaces): Track line number.
17348 (read_name): Use fatal_with_file_and_line.
17349 (read_rtx): Use fatal_expected_char. Track line number.
17350 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17352 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17353 if it isn't a CODE_LABEL.
17355 * genattr.c (main): Set read_rtx_filename.
17356 * genattrtab.c (main): Likewise.
17357 * gencodes.c (main): Likewise.
17358 * genconfig.c (main): Likewise.
17359 * genemit.c (main): Likewise.
17360 * genextract.c (main): Likewise.
17361 * genflags.c (main): Likewise.
17362 * genopinit.c (main): Likewise.
17363 * genoutput.c (main): Likewise.
17364 * genpeep.c (main): Likewise.
17366 * genrecog.c (decision_test.u.insn): Add `lineno'.
17367 (pattern_lineno, error_count): New variables.
17368 (message_with_line): New.
17369 (add_to_sequence): Break out checking code to ...
17370 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17371 (merge_insn): Use message_with_line.
17372 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17373 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17375 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17377 * expr.c (store_constructor): Clear union if constructor is empty.
17379 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17381 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17382 Add !endian checks. Change %{...} to %(...).
17384 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17386 * i386.md (*addsi3_cc): Renamed from addcsi3.
17387 (*addsi3_carry): Renamed from addxsi3.
17388 (*subsi3_cc): Renamed from subcsi3.
17389 (*subsi3_carry): Renamed from subxsi3.
17390 (*xorqi_cc_1): Renamed from xorcqi_1.
17391 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17392 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17394 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17396 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17397 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17399 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17401 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17402 climb up the chain of insns.
17404 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17406 * genrecog.c (write_subroutine): Careful for null trees.
17407 (process_tree): Don't elide empty functions.
17409 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17411 * Makefile.in (genrtl.o): Depend on ggc.h.
17412 * configure.in (valloc): Probe for it.
17413 (with-gc): Use ggc-page if valloc present.
17414 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17415 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17416 (ggc_alloc_string): Moved from ggc-page.c.
17417 * ggc-none.c (ggc_alloc_obj): New.
17418 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17419 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17420 (struct globals): Likewise for dev_zero_fd.
17421 (init_ggc): Likewise for it's initialization.
17422 (ggc_allocated_p): Move careful dereference from ...
17423 (ggc_lookup_page_table): ... here. Delete.
17424 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17425 (alloc_anon): Use valloc if no mmap.
17426 (release_pages): Use free if using valloc.
17427 (ggc_alloc_obj): Renamed from alloc_obj.
17428 (ggc_set_mark): Renamed from mark_obj.
17429 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17430 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17431 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17432 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17433 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17434 (ggc_collect): Use fp printing instead of our own rounding.
17435 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17436 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17437 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17438 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17439 (struct ggc_string, struct ggc_any): Delete.
17440 (offsetof): Provide default definition.
17441 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17443 (struct ggc_mem): New, from corpse of ggc_any.
17444 (struct ggc_status): Delete.
17445 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17446 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17447 (n_strings_collected, n_anys_collected): Delete.
17448 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17449 (ggc_alloc_string, ggc_alloc): Delete.
17450 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17451 (ggc_free_string, ggc_free_any): Delete.
17452 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17453 (ggc_compare_addresses, ggc_mark_string): Delete.
17454 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17455 (search_data): Delete.
17456 (struct globals): New.
17457 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17458 (tree_insert, tree_lookup): New.
17459 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17460 (clear_marks, sweep_objs): New.
17461 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17462 (init_ggc): Set allocated_last_gc.
17463 (ggc_push_context): Gut. Use G.context.
17464 (ggc_pop_context): Likewise.
17465 (ggc_pop_context_1): New.
17466 (debug_ggc_tree): New.
17467 (debug_ggc_balance, tally_leaves): New.
17468 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17469 (ggc_mark_string_if_gcable): Remove decl.
17470 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17471 (ggc_mark_rtvec_children): New.
17472 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17473 (ggc_mark_if_gcable): New decl.
17474 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17475 (ggc_alloc_tree, ggc_alloc): Likewise.
17476 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17477 (ggc_alloc_obj): New decl.
17478 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17479 (ggc_alloc_tree, ggc_alloc): Likewise.
17480 (ggc_set_mark): New decl.
17481 * rtl.h (struct rtx_def): Remove gc_mark.
17482 (struct rtvec_def): Likewise.
17483 * tree.h (struct tree_common): Likewise.
17485 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17487 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17488 float_format and thread_file definitions.
17489 * configure: Rebuilt.
17491 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17493 * extend.texi (Function Names): Document types of function names.
17495 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17497 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17498 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17500 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17502 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17504 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17506 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17508 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17510 * collect2.c (main): Do prelimnary link on AIX if rflag.
17512 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17514 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17515 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17517 (__do_global_dtors): similarly for __DTOR_LIST__.
17519 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17520 Diego Novillo <dnovillo@cygnus.com>
17522 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17525 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17527 * fixincl/*: Merged "no_bogosity" branch
17528 * fixincl/fixlib.h: protect against doubly defining t_bool
17529 * fixincl/server.h: protect against doubly defining t_bool
17531 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17533 * genoutput.c: Include toplev.h.
17535 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17537 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17539 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17540 * configure: Regenerate.
17542 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17544 * gcse.c (delete_null_pointer_checks): Returns void.
17546 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17548 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17549 * emit-rtl.c (copy_insn_1): Likewise.
17551 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17553 * config/mips/mips.c (mips_build_va_list): Correct
17554 TREE_CHAIN setting when hard-float.
17555 (mips_va_start): Use corrected setting.
17556 (mips_va_arg): Likewise. Also pass a tree to build of
17557 POSTINCREMENT_EXPR rather than a naked 'int'.
17559 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17561 * ggc.h (ggc_push_context): Fix comment.
17562 (ggc_pop_context): Likewise.
17563 (mark_string_if_gcable): Likewise.
17564 * ggc-common.c (ggc_mark_rtx_children): Use
17565 ggc_mark_string_if_gcable.
17566 * ggc-page.c (ggc_lookup_page_table): New function.
17567 (ggc_allocated_p): Likewise.
17568 (mark_obj): Fix formatting.
17569 (ggc_mark_string_if_gcable): New function.
17570 * ggc-simple.c (ggc_allocated_strings): New variable.
17571 (ggc_strings_used): Likewise.
17572 (ggc_compare_addresses): New function.
17573 (ggc_pop_context): Pop the `any' memory too.
17574 (ggc_mark_string_if_gcable): New function.
17575 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17577 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17579 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17580 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17581 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17584 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17586 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17587 (sched_reg_live_length, sched_reg_basic_block): Delete.
17588 (current_block_num, bb_live_regs, old_live_regs): Delete.
17589 (dead_notes, struct sometimes): Delete.
17590 (sched_note_set, birthing_insn_p): Delete.
17591 (adjust_priority): Gut useless reg lifetime code.
17592 (create_reg_dead_note, attach_deaths): Delete.
17593 (attach_deaths_insn, new_sometimes_live): Delete.
17594 (finish_sometimes_live): Delete.
17595 (find_pre_sched_live, find_post_sched_live): Delete.
17596 (update_reg_usage): Delete.
17597 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17598 (schedule_insns): Delete reg lifetime code.
17599 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17600 (unlink_other_notes): Adjust REG_NOTE commentary.
17601 (reemit_notes): Use REG_SAVE_NOTE.
17602 (schedule_block): Likewise.
17603 (schedule_region): Allocate bitmap of blocks in region. Use
17604 count_or_remove_death_notes. Use update_life_info.
17606 * rtl.h (REG_SAVE_NOTE): New.
17607 * rtl.c (reg_note_name): Update.
17609 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17611 * combine.c (refresh_blocks, need_refresh): New.
17612 (combine_instructions): Allocate refresh_blocks. Invoke
17613 update_life_info if needed.
17614 (distribute_notes): Mark refresh_blocks instead of installing
17616 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17617 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17619 * Makefile.in (recog.o): Depend on basic-block.h.
17621 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17623 * genrecog.c (add_to_sequence): Thinko last change: delete
17624 shadowing allow_const_int variable.
17626 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17628 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17629 __GNUC__ and __GNUC_MINOR__.
17631 * gansidecl.h: Likewise.
17637 * toplev.h: Likewise.
17639 * tree.c: Likewise.
17641 * tree.h: Likewise.
17643 * varray.c: Likewise.
17645 * varray.h: Likewise.
17647 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17649 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17650 use one before a jump table.
17652 * rtl.def (ADDRESS): Change documentation to match reality.
17653 * md.texi: Don't document it.
17654 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17657 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17659 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17661 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17662 known predicate block; default allow_const_int true.
17663 (debug_decision_list): New.
17665 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17667 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17669 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17671 * gcse.c (gcse_main): Avoid global optimizations if we have a
17672 large number of basic blocks and the ratio of edges to blocks
17674 (delete_null_pointer_checks): Likewise.
17676 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17678 * c-common.c (check_format_info): Warn if format string isn't a
17681 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17683 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17684 * configure: regenerate
17686 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17688 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17689 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17690 (peepholes): Re-enable.
17692 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17694 * Makefile.in (flow.o): Depend on TREE_H.
17695 * basic-block.h (REG_SET_EQUAL_P): New.
17696 (XOR_REG_SET): New.
17697 (n_edges): Declare.
17698 (free_regset_vector): Remove declaration.
17699 (flow_delete_insn_chain): Declare.
17700 (enum update_life_extent): New.
17701 (update_life_info, count_or_remove_death_notes): Declare.
17702 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17703 Verify register live at bb->global_live_at_start before adding USE.
17704 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17705 (CLEAN_ALLOCA): New.
17707 (PROP_*): New flags.
17708 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17709 (clear_edges): Zero n_edges.
17710 (make_edge): Increment n_edges.
17711 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17712 (flow_delete_insn_chain): Export.
17713 (delete_block): Decrement n_edges.
17714 (merge_blocks_nomove): Likewise.
17715 (life_analysis): Give life_analysis_1 PROP flags.
17716 (verify_wide_reg_1, verify_wide_reg): New.
17717 (verify_local_live_at_start): New.
17718 (update_life_info): Rewrite to call into propogate_block.
17720 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17721 always mark stack pointer. Conditionally mark PIC register.
17722 After reload, mark call-saved registers, return regsiters.
17723 (life_analysis_1): Accept PROP flags not remove_dead_code.
17724 Call mark_regs_live_at_end before zeroing regs_ever_live.
17725 Use calculate_global_regs_live. Copy global_live_at_end before
17726 calling final propagate_block. Zero reg_next_use on exit.
17727 (calculate_global_regs_live): New.
17728 (allocate_bb_life_data): Don't allocate bb->local_set.
17729 (init_regset_vector, free_regset_vector): Remove.
17730 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17731 Test flags before every operation. Warn if prologue/epilogue insn
17732 would have been deleted.
17733 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17734 Use alloc_EXPR_LIST.
17735 (mark_used_regs): Accept and use FLAGS, not FINAL.
17736 Remove special handling for RETURN.
17737 (try_pre_increment): Use alloc_EXPR_LIST.
17738 (dump_flow_info): Dump n_edges.
17739 (unlink_insn_chain, split_hard_reg_notes): Remove.
17740 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17741 (find_insn_with_note, new_insn_dead_notes): Remove.
17742 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17743 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17744 (replace_insns): Remove.
17745 (count_or_remove_death_notes): New.
17746 (verify_flow_info): Abort on error after all checks.
17747 (remove_edge): Decrement n_edges.
17748 (remove_fake_edges): Tweak format.
17749 * haifa-sched.c (schedule_insns): Use split_all_insns.
17750 * output.h (update_life_info): Remove declaration.
17751 * recog.c (split_all_insns): From the corpse of split_block_insns,
17752 do the whole function block by block. Use update_life_info.
17753 (recog_last_allowed_insn): New.
17754 (recog_next_insn): Mind it.
17755 (peephole2_optimize): Set it. Walk backwards through blocks.
17756 Use update_life_info.
17757 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17758 (split_all_insns): Declare.
17759 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17760 Use split_all_insns.
17762 * i386.md (or -1 peep2s): Disable.
17764 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17766 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17767 a single pattern. Scrap the 'd' versions as unnecessary.
17769 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17770 tablejump_mips162,tablejump_internal4): The operands to a
17771 label_ref must be VOIDmode.
17773 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17775 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17777 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17779 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17781 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17783 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17784 cache every function if ggc_p.
17786 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17788 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17789 instead of copy_rtx. Accept sequences that contain asm statements.
17790 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17791 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17792 orig_asm_operands_vector, copy_asm_operands_vector,
17793 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17795 * rtl.h (copy_insn, copy_insn_1): Declare.
17797 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17799 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17801 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17802 arguments to `current_file_function_operand'.
17804 * genrecog.c: Include hard-reg-set.h and resource.h in the
17805 generated output file.
17807 * real.c: Include tm_p.h.
17809 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17811 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17814 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17816 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17817 before the fctiwz insn.
17819 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17820 Mark Mitchell <mark@codesourcery.com>
17822 * tree.c (make_lang_type_fn): New funtion pointer.
17823 (make_lang_type): Call it.
17824 * tree.h (make_lang_type): Declare.
17825 (make_lang_type_fn): Likewise.
17826 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17828 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17830 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17831 make sure that HIGH instructions are copied into BASE_REGS.
17833 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17835 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17837 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17839 * c-decl.c (finish_struct): Use simpler method of
17840 removing elements of a singly-linked list.
17842 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17844 * alpha.md (peephole2's): Comment out peephole2's that generate
17847 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17849 * genrecog.c (add_to_sequence): Disable mode check for
17852 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17854 * ggc-simple.c (init_ggc): Set empty_string.
17856 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17858 * configure.in: Detect mmap. Add --with-gc=foo to select
17859 garbage collector; default to page if mmap available.
17860 * Makefile.in (GGC): Substitute.
17862 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17864 * c-decl.c (ggc_p): Enable.
17866 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17868 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17870 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17872 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17873 string for little-endian-data.
17875 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17877 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17878 case somebody tries to compile --enable-checking code with gcc
17881 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17883 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17886 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17888 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17889 * jump.c (jump_optimize_1): Document why.
17891 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17893 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17894 pointers and casts for `int_handler' and `quit_handler'.
17896 * flow.c (verify_flow_info, split_hard_reg_notes,
17897 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17898 remove_edge, remove_fake_successors): Add static prototypes.
17899 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17900 (mark_set_1): Initialize variable `regno'.
17901 (unlink_insn_chain): Likewise for variable `curr'.
17902 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17904 * loop.c (strength_reduce): Initialize variable
17905 `unrolled_insn_copies'.
17906 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17907 prototypes. Change these functions to take const PTR parameters
17908 to avoid prototype conflict when used as the comparson argument
17910 (check_dbra_loop): Initialize variable `comparison_val'.
17912 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17913 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17914 (find_valid_class): Initialize variable `best_class'.
17915 (find_reloads): Call memcpy, not bcopy.
17917 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17918 (hard_reg_use_compare): Don't needlessly cast away const.
17919 (reload_reg_class_lower): Likewise.
17920 (choose_reload_regs): Initialize variable `regno'.
17922 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17924 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17926 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17928 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17929 ({,d}discard): Add forward declarations. Declare parameter as
17931 (main_without_main): Explicitly declare return type to be int.
17932 (memcpy): Properly declare.
17934 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17935 building the trampoline support, declare malloc, free, and
17937 (__clear_cache): Mark arguments as potentially unused.
17939 * frame.c (toplevel): If inhibit_libc is defined, declare
17942 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17944 * flow.c (make_edge): Accept an optional 2D bitmap in which
17945 to cache edge existence. Update all callers.
17946 (make_label_edge, make_eh_edge): Pass through the edge cache.
17947 (make_edges): Provide the cache.
17949 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17951 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17953 (local_mbtowc): Change the type of variable `i' from int to size_t.
17955 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17956 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17958 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17960 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17961 after other includes that define the appropriate types. Include
17962 tm_p.h for getting user prototypes.
17963 * ggc-callbacks.c (toplevel): Ditto.
17964 * ggc-none.c (toplevel): Ditto.
17965 * gcc-page.c (toplevel): Ditto.
17966 * ggc-simple.c (toplevel): Ditto.
17968 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17969 Jonathan Larmour <jlarmour@cygnus.co.uk>
17971 * config/mips/mips.c (mips_move_2words): Split doubles if
17972 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17974 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17976 * genrecog.c (struct decision_test): New.
17977 (struct decision): Remove test-related members, sort the rest by size.
17978 (IS_SPLIT): Simplify.
17979 (new_decision, new_decision_test): New.
17980 (add_to_sequence): Use them. No special handling for args of
17982 (maybe_both_true): Renamed from not_both_true; return sense changed.
17983 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17984 of maybe_both_true and adjusted for decision_test.
17985 (position_merit): Remove.
17986 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17987 (merge_accept_insn): New, broken out of merge_trees.
17988 (merge_trees): Use them. No special case for c_test; no node
17989 splitting; use test type instead of position_merit.
17990 (factor_tests): New.
17991 (simplify_tests): New.
17992 (break_out_subroutines): Don't write code now.
17993 (find_afterward): New.
17994 (write_afterward, write_switch, write_cond): New.
17995 (write_action, is_unconditional): New.
17996 (write_node): New. Use them.
17997 (write_tree_1): Rewrite. Use the new functions above.
17998 (write_tree): Remove afterward processing.
17999 (write_subroutine): Simplify function variant emission.
18000 (write_subroutines): New.
18001 (same_codes, clear_codes): Remove.
18002 (same_modes, clear_modes): Remove.
18003 (write_header): New, broken out of main.
18004 (make_insn_sequence): Use new_decision and new_decision_test.
18005 (process_tree): New, broken out of main.
18006 (main): Adjust for merge_trees interface change.
18007 Don't #define operands in the output file.
18008 (record_insn_name): New, broken out of make_insn_sequence.
18009 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18010 (debug_decision): New.
18012 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18014 * resource.c (find_free_register): Mark class_str argument const.
18015 * resource.h: Update prototype to match.
18017 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18018 * i386.md: Give all anonymous insns names.
18020 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18022 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18025 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18027 * toplev.c (dbr_sched_time): Unconditional.
18028 (peephole2_time): New.
18029 (compile_file): Add pass numbers to all of the dump file suffixes.
18030 Dump peephole2_time. Don't dump times for non-applicable passes.
18031 (rest_of_compilation): Add pass numbers to dump file suffixes.
18032 Conditionalize calls to the scheduler.
18033 * invoke.texi: Update.
18035 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18037 * flow.c (make_edges): Fix insn iteration.
18038 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18039 (find_basic_blocks_1): Fix spelling mistake.
18041 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18043 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18044 always have side-effects. Use memset not bzero.
18045 (make_node): Likewise.
18047 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18049 * stmt.c (expand_anon_union_decl): When any of the elements of the
18050 union is addressable, so is the entire union.
18052 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18054 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18056 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18057 * bitmap.c (bitmap_operation): Return true iff TO changed.
18058 (bitmap_equal_p): New.
18059 (bitmap_bit_p): Tidy arithmetic.
18060 (debug_bitmap_file): Likewise.
18062 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18064 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18065 before cse2 instead of after.
18067 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18069 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18072 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18074 * cppinit.c (is_idchar initializer): Loosen tests to accept
18077 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18079 * mips.md: Define conditional move patterns for floating point
18080 operands and DI mode conditions.
18082 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18084 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18085 always have side-effects.
18087 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18089 * mn10200.c (asm_file_start): Fix typo.
18091 * cppinit.c (is_idchar initializer): Tighten tests for when
18092 to put the table into initialized memory.
18094 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18095 not an array of rtunion.
18096 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18097 * gcc-simple (ggc_free_rtvec): Similarly.
18099 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18102 * mbchar.h: Add missing #endif.
18104 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18105 (FPBIT, DPBIT): Define.
18107 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18109 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18111 * profile.c (instrument_arcs, output_gcov_string,
18112 tablejump_entry_p): Add static prototypes.
18113 (output_gcov_string): Constify a char*.
18115 * regmove.c (replacement_quality, fixup_match_2): Add static
18118 * resource.h (reg_dead_p): Add extern prototype.
18120 * rtl.c (trim_filename): Add static prototype.
18122 * scan-decls.c (skip_to_closing_brace): Likewise.
18124 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18125 (expand_end_case): Initialize variable `range'.
18126 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18128 * varasm.c (asm_emit_uninitialised): Add static prototype.
18129 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18132 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18134 * cpplib.c (if_directive_nameo): Add static prototype.
18136 * cse.c (cse_insn): Remove unused variable `p'.
18138 * except.c (create_rethrow_ref, push_entry,
18139 receive_exception_label, new_eh_region_entry, find_func_region,
18140 clear_function_eh_region, process_nestinfo): Add static prototypes.
18141 (get_reg_for_handler): Hide definition.
18142 (process_nestinfo): Initialize variable `extra_handlers'.
18144 * expr.h (expand_builtin_longjmp): Add extern prototype.
18146 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18148 * function.c (prepare_function_start): Likewise.
18149 (pop_function_context_from): Mark parameter `context' with
18151 (push_temp_slots_for_block, flush_addressof): Hide definition.
18153 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18154 solve_program_flow_graph, calculate_branch_probs,
18155 function_summary, main, fancy_abort): Add prototypes.
18157 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18158 (add_hash): Constify a char*.
18160 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18161 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18162 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18164 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18166 * lists.c (free_list, zap_lists): Likewise.
18168 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18170 * alias.c (nonlocal_reference_p): Add static prototype.
18172 * bitmap.c (bitmap_element_allocate): Prototype args in function
18175 * builtins.c (stabilize_va_list): Add static prototype.
18176 (expand_builtin_va_arg): Constify a char*.
18178 * c-lex.c (getch, put_back, extend_token_buffer_to,
18179 read_line_number, token_getch, token_put_back): Add static
18182 * c-parse.gperf (hash, is_reserved_word): Likewise.
18184 * cccp.c (is_dir_separator): Likewise.
18186 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18188 * graph.h: New file to prototype functions exported by graph.c.
18190 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18192 * graph.c: Include graph.h.
18194 * toplev.c: Likewise. Remove redundant prototypes.
18196 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18198 * invoke.texi: Removed duplicated description for -Q.
18200 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18202 * extend.texi: Grammar fix in __extension__ text.
18204 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18206 * md.texi (define_peephole2): New section.
18208 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18210 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18211 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18214 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18216 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18218 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18220 * i386.md (ffs expander): Emit Pentium friendly code for
18223 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18225 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18227 (build1): Likewise.
18229 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18231 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18233 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18235 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18236 register is in use.
18238 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18240 * md.texi (No Constraints): Delete section.
18241 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18242 * final.c (final_scan_insn): We always have register constraints.
18243 * genattrtab.c: Don't include "insn-config.h".
18244 (write_attr_case): We always have register constraints.
18245 * genconfig.c (register_constraint_flag): Delete.
18246 (walk_insn_part): Don't check whether we have register constraints.
18247 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18248 * genoutput.c (have_constraints): Delete.
18249 (main): Don't set it.
18250 (output_operand_data): We always have constraints.
18251 (scan_operands): Likewise.
18252 (compare_operands): Likewise.
18253 * local-alloc.c (block_alloc): We always have constraints.
18254 (requires_inout): Always compile this function.
18255 * recog.c (extract_insn): We always have constraints.
18256 (constrain_operands, reg_fits_class_p): Always compile these
18258 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18260 (struct insn_operand_data): Likewise.
18261 * regclass.c (regclass): We always have constraints.
18262 (record_reg_classes, copy_cost, record_address_regs,
18263 auto_inc_dec_reg_p): Always compile these functions.
18264 * regmove.c (regmove_optimize): We always have constraints.
18265 * reload.c (find_reloads): Likewise.
18266 * reload1.c (reload): Likewise.
18267 (reload_cse_simplify_operands): Likewise.
18268 * i860.c (output_delay_insn): Likewise.
18270 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18272 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18274 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18276 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18277 for the va_list record.
18279 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18281 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18284 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18286 * alias.c: Include insn-flags.h.
18287 * Makefile.in (alias.o): Update.
18289 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18291 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18292 to LTU and GEU. Handle more cases using sbb.
18294 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18296 * i386.md (truncatexfdf splitters): Do not use subreg.
18297 (fop XFmode patterns): Fix mode in operand testing.
18299 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18301 * jump.c (jump_optimize_1): Amend last change to test only the
18302 form of the operand, not the insn.
18304 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18305 not register_operand to determine when B may need preloading.
18307 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18309 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18310 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18311 (call-value patterns): Move to end of file.
18312 (*): Remove mode from label_ref in (pc) context.
18313 (movstrqi): Use memory not general_operand for BLKmode operands.
18314 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18315 to register_operand operands.
18316 (peep2 patterns): Convert from commented-out peephole patterns.
18318 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18320 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18321 to BUILT_IN_INIT_DWARF_REG_SIZES.
18322 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18323 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18324 expand_builtin_init_dwarf_reg_sizes.
18325 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18326 with __builtin_init_dwarf_reg_size_table.
18327 * dwarf2out.c (struct reg_size_range): Delete.
18328 (expand_builtin_init_dwarf_reg_sizes): New function.
18329 (expand_builtin_dwarf_reg_size): Delete.
18330 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18331 (expand_builtin_dwarf_reg_size): Don't declare.
18332 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18333 (dwarf_reg_size_table): New.
18334 (init_reg_size_table): New function.
18335 (copy_reg): Use dwarf_reg_size_table.
18336 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18339 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18341 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18342 Correctly build argument list to constructor and destructor functions.
18344 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18346 * c-tree.h (warn_float_equal): Declare.
18347 * c-decl.c (warn_float_equal): Define.
18348 (c_decode_option): Recognize -W[no-]float-equal.
18349 * c-typeck.c (build_binary_op): Conditionally warn
18350 about equality tests of floating point types.
18351 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18352 * invoke.texi: Add docs for -Wfloat-equal warning.
18354 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18356 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18357 generating RTL directly.
18358 * mips.h (INIT_TARGET_OPTABS): Likewise.
18359 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18361 * expr.h (init_mov_optab): Delete declaration
18363 * h8300.c (WORD_REG_USED): Update to avoid useless register
18364 saves in interrupt functions and functions which never return.
18366 * cse.c (struct set): Delete inner_dest_loc field.
18367 (cse_insn): Remove assignments to inner_dest_loc field.
18369 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18371 * ggc-page.c: Don't include <unistd.h> etc taken care of
18372 by "system.h". Include <sys/mman.h> afterward.
18374 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18376 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18379 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18381 * xcoffout.c (xcoffout_declare_function): Add documentation.
18382 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18383 TARGET_64BIT. Compare constant to -1, not bit pattern.
18384 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18385 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18388 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18390 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18391 origin_die is NULL.
18392 (gen_inlined_enumeration_type_die): Do not abort if the type has
18393 not been writeen out.
18394 (gen_inlined_structure_type_die): Do not abort if the type has
18395 not been writeen out.
18396 (gen_inlined_union_type_die): Do not abort if the type has
18397 not been writeen out.
18398 (gen_tagged_type_instantiation_die): Do not abort if the type
18399 has not been written out.
18401 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18403 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18405 * reg-stack.c (straighten_stack): Copy hard reg set with
18408 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18410 * builtins.c (stabilize_va_list): Stabilize array type va_list
18411 to a pointer type, not the base record type.
18412 (expand_builtin_va_copy): Dereference the pointers explicitly;
18413 use the correct size for the copy.
18415 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18416 (rs6000_va_arg): Likewise.
18418 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18420 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18422 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18424 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18426 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18428 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18430 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18431 (init_ggc): Use it instead of a constant.
18432 (ggc_collect): Bound allocated_last_gc by it.
18434 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18436 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18439 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18441 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18442 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18443 * configure: Regen.
18444 * config/mips/openbsd.h: New, OpenBSD little endian target.
18445 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18446 * config/mips/xm-openbsd.h: New, OpenBSD host.
18448 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18450 * config/m68k/m68k.c (output_function_prologue,
18451 output_function_epilogue): Use
18452 current_function_uses_pic_offset_table instead of regs_ever_live
18453 to decide whether to save/restore pic register.
18454 (legitimize_pic_address): Don't modify regs_ever_live any more.
18456 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18458 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18459 * stor-layout.c (variable_size): Don't add sizes to the pending
18460 sizes list if x_dont_save_pending_sizes_p is set.
18462 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18464 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18465 for symbolic_operand().
18466 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18468 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18470 * combine.c (gen_rtx_combine): Add missing call to va_end().
18472 * final.c (asm_fprintf): Likewise.
18474 * genattrtab.c (attr_rtx): Likewise.
18476 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18478 * cse.c: Update comments.
18479 (cse_insn): When converting a conditional/computed jump into
18480 an unconditional jump, always make sure a BARRIER immediately
18481 follows the converted jump. Do not delete unreachable code.
18482 (cse_basic_block): Do not delete unreachable code.
18483 * toplev.c (rest_of_compilation): Move call to
18484 delete_trivially_dead_insns after the conditional call to
18487 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18489 * collect2.c (make_temp_file): Don't prototype.
18491 * gcc.c (make_temp_file): Likewise.
18493 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18495 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18497 * varasm.c (asm_emit_uninitialised): New function: Generate
18498 the assembler statements necessary to declare an uninitialised
18500 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18502 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18503 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18505 (assemble_variable): Use asm_emit_uninitialised to emit an
18506 uninitialised variable.
18508 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18510 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18511 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18512 <geoffk@cygnus.com>.
18514 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18516 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18517 * c-common.h (builtin_function): Don't declare.
18519 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18521 (pushdecl): Likewise.
18522 (finish_decl): Likewise.
18523 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18524 int. All callers changed.
18525 Set the builtin's DECL_BUILT_IN_CLASS.
18526 * tree.h (enum built_in_class): New.
18527 (enum built_in_function): Delete NOT_BUILT_IN.
18528 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18530 (DECL_SET_FUNCTION_CODE): Likewise.
18531 (DECL_BUILT_IN_CLASS): New macro.
18532 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18533 (struct tree_decl): Split builtin function code field into a
18535 (builtin_function): Declare.
18537 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18539 * optabs.c (init_traps): Fix typo in last change.
18541 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18543 * toplev.c (rest_of_decl_compilation): Update comment.
18545 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18547 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18548 in .sbss if appropriate.
18549 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18550 (SBSS_SECTION_ASM_OP): New macro.
18551 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18552 (EXTRA_SECTIONS): Add in_sbss.
18553 * config/mips/mips.h: Prototype sbss_section.
18555 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18557 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18560 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18562 * optabs.c (init_traps): Register trap_rtx as a GC root.
18564 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18566 * config/mips/mips.c (function_arg_pass_by_reference): Define
18567 unconditionally, since it's called unconditionally.
18569 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18571 * toplev.c (documented_lang_options): Add -fshort-wchar.
18572 * c-decl.c (c_decode_option): Likewise.
18573 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18575 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18576 * gcc.c (default_compilers): If -fshort-wchar,
18577 override __WCHAR_TYPE__.
18578 * tm.texi (C Dialect Options): Add -fshort-wchar.
18580 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18581 symbol for a variable.
18583 * cpplib.h (CPP_PREPROCESSED): New macro.
18584 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18585 we're seeing this input for a second time.
18587 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18589 * emit-rtl.c (init_emit_once): Initialize modes first.
18591 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18593 * config/i386/i386.c (pic_label_name): Change to char pointer.
18594 (global_offset_table): New variable.
18595 (load_pic_register): Fill global_offset_table if it hasn't
18596 already been done. Allocate pic_label_name dynamically.
18597 * ggc.h (empty_string): New variable.
18598 * ggc-simple.c (empty_string): Likewise.
18599 (init_ggc): Allocate empty_string and add as root.
18600 * stmt.c (digit_strings): New variable.
18601 (init_stmt): Add last_block_end_note as root. Allocate and
18602 initialize digit_strings.
18603 (expand_asm_operands): Use empty_string instead of string
18604 constant. Use digit_strings instead of string constants.
18605 * profile.c (init_arc_profiler): Allocate string with
18606 ggc_alloc_string instead of xmalloc.
18607 (output_func_start_profiler): Likewise.
18608 * c-typeck.c (digest_init): Check if init is error_mark_node.
18610 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18611 Richard Henderson <rth@cygnus.com>
18613 * ggc-page.c: New file.
18614 * Makefile.in (ggc-page.o): New.
18616 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18618 * invoke.texi: Document -fdelete-null-pointer-checks
18619 * toplev.c (flag_delete_null_pointer_checks): New.
18620 (f_options): Add entry for -fdelete-null-pointer-checks.
18621 (rest_of_compilation): Conditionalize null pointer check
18622 elimination on flag_delete_null_pointer_checks.
18623 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18625 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18627 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18628 copyright notice and special exception to GPL.
18630 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18632 * abi64.h (mips_function_value): Add prototype arguments.
18634 * mips-protos.h: New file with mips prototypes.
18636 * mips.c: Include "tm_p.h".
18637 (mktemp, lookup_name): Add prototype arguments.
18638 (extern_list, string_constant, mips_fill_delay_slot,
18639 mips_output_external, mips_output_external_libcall,
18640 mips_output_filename, mips_declare_object, function_prologue,
18641 mips_expand_prologue, function_epilogue, mips16_constant,
18642 build_mips16_function_stub, mips_output_conditional_branch):
18644 (mips_va_start): Remove unused variable `u'.
18645 (mips_va_arg): Cast value to unsigned when comparing against one.
18647 (save_restore_insns, mips_expand_prologue): Add missing arg in
18648 call to `large_int'.
18650 * mips.h: Move prototypes to mips-protos.h.
18651 (data_section, memory_address_p, rdata_section,
18652 readonly_data_section, simple_epilogue_p, text_section): Delete
18653 prototypes delcared elsewhere.
18654 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18656 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18658 * mips.md: Delete extra args in call to `mips_move_2words'.
18660 * xm-iris6.h (alloca): Add prototype argument.
18662 * genpeep.c: Include "tm_p.h" in generated output file.
18664 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18666 * basic-block.h (find_edge_index): Change parameters.
18667 * flow.c (verify_edge_list): Pass basic_block parameters to
18668 find_edge_index instead of integers.
18670 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18672 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18675 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18677 * gcc.1: Fix a formatting error.
18679 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18681 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18682 i786, mn10200, mn10300, pdp11, v850.
18684 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18686 * libgcc2.c (num_digits): Add prototype with
18687 __attribute__((const)).
18688 (__terminate): Add prototype.
18690 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18692 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18694 * alpha/alpha.c (print_operand): Fix type of `code'.
18695 (alpha_output_filename): Constify.
18696 * alpha/alpha.h: Move all function declarations ...
18697 * alpha/alpha-protos.h: ... here. New file.
18698 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18699 (SECTION_FUNCTION_TEMPLATE): Likewise.
18701 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18703 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18704 * expr.c (expand_expr): Likewise.
18705 (do_jump): Likewise.
18706 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18707 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18709 (enum can_compare_purpose): New.
18710 (can_compare_p): Adjust prototype.
18711 (prepare_cmp_insn, prepare_operand): Declare.
18712 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18713 * optabs.c (cmp_available_p): Deleted.
18714 (expand_abs): Pass ccp_jump to can_compare_p.
18715 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18716 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18717 Call can_compare_p rather than cmp_available_p.
18718 (prepare_operand): No longer static.
18719 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18720 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18721 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18722 sequence to use emit_cmp_and_jump_insns.
18723 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18725 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18727 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18728 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18729 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18730 (plus (reg) (const_int 0))
18731 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18733 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18735 * rs6000.c (expand_block_move): DImode loads and stores require
18736 word-aligned displacements. Increment address registers with
18737 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18739 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18741 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18742 is no name for the base type, rather than segfault. If we are
18743 writing out a complex integer type, use DW_ATE_lo_user.
18745 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18746 in one word or less (complex char, complex short, or on 64 bit
18747 systems complex float) to/from a hard register, copy it through
18748 memory instead of dying in gen_{real,imag}part. If we have a
18749 short complex type, prevent inlining since it allocates stack
18752 * tree.c (build_complex_type): If we are writing dwarf2 output,
18753 generate a name for complex integer types.
18755 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18757 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18758 * flow.c (remove_edge): Remove extra whitespace.
18759 (remove_fake_edges): Fix comment.
18760 (add_noreturn_fake_exit_edges): Use the correct name.
18762 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18764 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18765 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18766 (clean): Depend on INTL_CLEAN.
18767 (maintainer-clean): Adjust.
18769 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18771 * configure.in (AC_PREREQ): Bump to 2.13.
18772 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18774 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18776 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18778 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18780 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18781 (HAVE_STRINGIZE): Define.
18783 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18785 * c-parse.in: save and restore warn_pointer_arith on __extension__
18786 along with pedantic.
18787 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18788 Set the type of extension to itype rather than $<itype>1 kludge.
18789 * extend.texi (Alternate Keywords): Adjust documentation.
18790 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18792 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18794 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18795 most assembler templates.
18797 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18798 FP loads and stores.
18799 (following_call): Always return zero for the PA8000.
18800 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18801 FP loads and stores.
18802 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18804 * pa.h (BRANCH_COST): Define.
18806 * pa.md (return, return_internal): Use bve for PA2.0.
18808 * pa.md (fused multiply): Add variants which reduce height for the
18809 fused multiply, but which still generate 2 insns.
18810 (fnegabs): Similarly.
18812 * pa.md (subsi3): Turn into an expander. Create two anonymous
18813 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18814 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18816 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18818 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18820 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18821 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18823 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18826 * flow.c (record_active_eh_regions): Terminate loop after finding
18827 the last insn in the last basic block.
18829 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18831 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18833 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18835 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18837 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18839 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18840 splitting to not use output template.
18842 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18844 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18845 * config/c4x/c4x.c (c4x_va_start): New function.
18847 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18849 * genrecog.c (not_both_true): Handle correctly cases when called for
18850 tests with different positions in the insn.
18852 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18854 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18856 * system.h (HOST_PTR_PRINTF): ... to here.
18858 * mips-tfile.c: Don't include machmode.h.
18860 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18861 (mips-tfile.o): Don't depend on machmode.h.
18863 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18865 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18866 avoid conflicts with typedef struct `region' at the top level scope.
18868 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18870 * basic-block.h (basic_block): Add eh_beg, eh_end.
18871 * flow.c (entry_exit_blocks): Update.
18872 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18873 Call new functions.
18874 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18875 lists.c functions to allocate insn lists.
18876 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18878 (make_eh_edge): ... here. New.
18879 (move_stray_eh_region_notes): New.
18880 (record_active_eh_regions): New.
18881 (delete_unreachable_blocks): Split out block merging ...
18882 (try_merge_blocks): ... here. New.
18883 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18884 Dump debugging data.
18885 (merge_blocks_move_successor_nojumps): Likewise.
18886 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18888 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18890 * extend.texi (Bound member functions): Document unbound pmf
18893 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18895 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18896 has the EXIT_BLOCK as a dest.
18898 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18900 * flow.c (remove_edge): New function to remove an edge from the
18902 (remove_fake_successors): New function to remove fake successor edges.
18903 (remove_fake_edges): New function to remove all fake edges from the
18905 (add_fake_exit_edges): New function to add fake edges from all blocks
18906 with no successors to the exit block.
18907 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18908 prototypes for new functions.
18910 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18912 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18913 Use Pmode to determine whether to output .dword or .word.
18915 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18917 * tree.c (built_in_filename): New variable.
18918 (BUILT_IN_FILENAME): New macro.
18919 (init_tree_codes): Allocate built_in_filename.
18920 (make_node): Use built_in_filename instead of string constant.
18922 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18924 * configure.in: Add fr30 target.
18925 * configure: Regenerate.
18926 * config/fr30: New directory.
18927 * config/fr30/crti.asm: New file.
18928 * config/fr30/fr30.c: New file.
18929 * config/fr30/crtn.asm: New file.
18930 * config/fr30/fr30.h: New file.
18931 * config/fr30/fr30.md: New file.
18932 * config/fr30/lib1funcs.asm: New file.
18933 * config/fr30/t-fr30: New file.
18934 * config/fr30/xm-fr30.h: New file.
18936 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18938 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18939 BARRIER at the end of the successor, not the BARRIER before
18942 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18944 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18946 * stmt.c (any_pending_cleanups): Don't crash when
18947 current_function->stmt is unset.
18949 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18951 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18952 other initializations that may use it for relative offsets.
18954 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18956 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18957 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18958 * config/i386/sol2dbg.h: Removed.
18959 * config/i386/sol2gas.h: New file, to enable gas work-around.
18960 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18961 Don't use sol2dbg.h.
18962 * configure: Rebuilt.
18964 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18966 * invoke.texi (-fthis-is-variable): Remove documentation.
18968 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18970 * basic-block.h (compute_bb_for_insn): Declare.
18971 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18972 to use; set size of basic_block_for_insn directly.
18973 (find_basic_blocks): Update.
18975 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18977 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18979 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18981 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18982 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18984 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18986 * c-decl.c (c_decode_option): Extend comment.
18988 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18990 * toplev.c (progname): Make 'const char *'
18991 (flag_print_mem): Move out of main.
18992 (version_flag): Move out of main.
18993 (filename): Move out of main.
18994 (debug_args): Remove g prefix from options.
18995 (documented_lang_options): Remove cpplib specific options.
18996 (display_help): Add g prefix to debug options.
18997 (check_lang_option): Delete this function.
18998 (decode_d_option): New function: Decode -d... option.
18999 (decode_f_option): New function: Decode -f... option.
19000 (decode_W_option): New function: Decode -W... option.
19001 (decode_g_option): New function: Decode -g... option.
19002 (independent_decode_option): New function: Decode a language
19003 independent command line option.
19004 (main): Invoke lang_decode_option and then
19005 independent_decode_option on each command line option in
19008 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19010 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19011 * fold-const.c (fold_range_test): Do not try to fold the range
19012 test if the rhs or lhs has side effects.
19014 * basic-block.h (compute_flow_dominators): Declare.
19016 * gcse.c (alloc_code_hoist_mem): New function.
19017 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19018 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19019 (hoist_code, one_code_hoisting_pass): Likewise.
19020 (gcse_main): If optimizing for size, then hoist expressions
19021 computed in multiple dominated basic blocks.
19023 * gcse.c (invalid_nonnull_info): New function.
19024 (delete_null_pointer_checks): Likewise.
19025 * rtl.h (delete_null_pointer_checks): Declare.
19026 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19028 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19029 (merge-blocks_move_successor_nojumps): Likewise.
19030 (merge_blocks): Allow merging of some blocks, even if it requires
19031 physical movement of the blocks, but not if it requires new jumps.
19033 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19034 Callers and prototype changed.
19035 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19037 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19039 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19040 -YP when both -p and -pg are present. From i386/sol2.h.
19042 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19044 * Makefile.in (distclean): Delete tm_p.h.
19045 * configure.in: Create a new file, "tm_p.h", from a list in
19046 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19047 "i386/i386-protos.h".
19049 * alias.c: Include "tm_p.h".
19050 * c-typeck.c: Likewise.
19051 * calls.c: Likewise.
19053 * emit-rtl.c: Likewise.
19054 * explow.c: Likewise.
19055 * expmed.c: Likewise.
19056 * expr.c: Likewise.
19057 * final.c: Likewise.
19058 * flow.c: Likewise.
19059 * fold-const.c: Likewise.
19060 * function.c: Likewise.
19061 * gcse.c: Likewise.
19062 * global.c: Likewise.
19063 * haifa-sched.c: Likewise.
19064 * integrate.c: Likewise.
19065 * jump.c: Likewise.
19066 * local-alloc.c: Likewise.
19067 * loop.c: Likewise.
19068 * optabs.c: Likewise.
19069 * recog.c: Likewise.
19070 * reg-stack.c: Likewise.
19071 * regclass.c: Likewise.
19072 * regmove.c: Likewise.
19073 * reload.c: Likewise.
19074 * reload1.c: Likewise.
19075 * reorg.c: Likewise.
19076 * resource.c: Likewise.
19077 * stmt.c: Likewise.
19078 * stor-layout.c: Likewise.
19079 * toplev.c: Likewise.
19080 * tree.c: Likewise.
19081 * unroll.c: Likewise.
19082 * genattrtab.c (main): Make generated file include "tm_p.h".
19083 * genemit.c (main): Likewise.
19084 * genoutput.c (main): Likewise.
19085 * genrecog.c (main): Likewise.
19087 * i386.h: Delete all prototypes.
19088 * i386.c: Include "tm_p.h".
19089 (ix86_attr_length_default): Call constant_call_address_operand
19090 with correct number of arguments.
19091 * i386-protos.h: New file.
19092 * i386.md (unnamed patterns): Call constant_call_address_operand
19093 with correct number of arguments.
19094 (exception_receiver): Call load_pic_register with correct number
19097 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19099 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19101 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19103 * rtl.h (insns_safe_to_move_p): New function.
19104 * loop.c (find_and_verify_loops): Use it.
19105 * rtlanal.c (insns_safe_to_move_p): Define it.
19107 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19109 * c-pragma.c: Include ggc.h.
19110 * Makefile.in (c-pragma.o): Update.
19112 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19114 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19115 (LIB_SPEC): Likewise.
19116 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19117 Reindent -YP/-p/-pg.
19118 Copied from config/sparc/sol2.h.
19120 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19122 * c-pragma.c (mark_align_stack): New.
19123 (init_pragma): New.
19124 * c-pragma.h (init_pragma): Declare it.
19125 * c-lex.c (init_parse): Call it.
19127 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19129 * configure.in: Pick up thread library on Solaris/x86 just
19130 like on Solaris/sparc.
19131 * configure: Rebuilt.
19133 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19135 * rtl.h (global_rtx_index): New enum.
19136 (global_rtl): Change to array of rtx.
19137 (pc_rtx, cc0_rtx): Redefine accordingly.
19138 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19139 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19140 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19141 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19142 (const_int_rtx): Change to array of rtx.
19143 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19145 * emit-rtl.c (global_rtl): Change to array of rtx.
19146 (const_int_rtx): Change to aray of rtx.
19147 (gen_rtx_CONST_INT): Redefine accordingly.
19148 (init_emit_once): Allocate and initialize global_rtl. Likewise
19149 for const_int_rtx. Add both as GC roots.
19150 * genattrtab.c (global_rtl): Update declaration.
19152 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19154 * Makefile (USER_H): Add iso646.h back.
19156 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19158 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19159 zapping the LOG_LINKS of sched_before_next_call.
19161 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19162 * pa.c (insn_refs_are_delayed): Renamed from
19163 insn_sets_and_refs_are_delayed.
19165 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19167 * functiion.h (struct function): Add x_whole_function_mode_p.
19168 (retrofit_block): Declare.
19169 * function.c (retrofit_block): New function.
19170 (identify_blocks): Add assertions. Allow an incomplete set of
19171 block notes if we're still generating code for the function.
19172 * integrate.c: Include loop.h.
19173 (expand_inline_function): Call find_loop_tree_blocks to map block
19174 notes to blocks when in whole-function mode. Use retrofit_block
19175 to insert new BLOCKs for the inlined function, rather than
19177 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19178 * Makefile.in (integrate.o): Depend on loop.h.
19180 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19182 * tree.h (warn_about_unused_variables): Declare.
19183 * stmt.c (warn_about_unused_variables): New function, split out
19185 (expand_end_bindings): Here.
19187 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19189 * stmt.c (preserve_subexpressions_p): Don't crash when
19190 current_function->stmt is unset.
19192 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19194 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19195 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19196 (expand_start_target_temps): Use it.
19197 * except.c (expand_eh_region_start_for_decl): Likewise.
19198 * expr.c (expand_expr): Likewise.
19200 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19202 * fold-const.c (operand_equal_p): Pay attention to side effects.
19204 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19206 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19207 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19209 * tlink.c (scan_linker_output): Look for keywords before accepting
19210 a mangled name in quotes.
19212 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19214 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19215 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19217 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19219 * alpha.md: Revert Thu Nov 26 change that came in through the
19220 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19221 Avoid earlyclobber when possible.
19223 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19225 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19227 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19228 Define HAVE_ON_EXIT.
19230 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19232 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19233 CTYPE_CONV in all ctype macros.
19235 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19238 * cexp.y (initialize_random_junk): Likewise.
19240 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19242 * i370.c (handle_pragma): Likewise.
19244 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19246 * v850.c (override_options): Likewise.
19248 * doprint.c (_doprnt): Likewise.
19250 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19253 * fixinc/server.c (load_data): Likewise.
19255 * fold-const.c (real_hex_to_f): Likewise.
19257 * genattr.c (write_upcase, gen_attr): Likewise.
19259 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19260 write_upcase): Likewise.
19262 * genemit.c (print_code): Likewise.
19264 * genopinit.c (gen_insn): Likewise.
19266 * genpeep.c (print_code): Likewise.
19268 * genrecog.c (print_code): Likewise.
19270 * optabs.c (init_libfuncs): Likewise.
19272 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19274 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19276 (reemit_notes): Likewise.
19278 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19280 * ggc.h (ggc_root): Move to ggc-common.c.
19282 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19283 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19284 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19285 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19286 * ggc-common.c (ggc_root): Move from ggc.h.
19287 (roots): Declare, static.
19288 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19289 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19290 null or check/set mark bit.
19291 (ggc_mark_roots): New.
19292 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19294 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19296 * m32r.c: Include toplev.h.
19297 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19298 (gen_compare): Rename swap_p to must_swap to match uses.
19299 Add default abort case.
19300 (m32r_output_function_epilogue): Remove unused variables.
19301 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19302 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19303 define to empty parameter list. Update all uses.
19304 (predicate decls): Use enum machine_mode not int.
19305 * m32r.md (movsi): Call abort, not fatal_insn.
19306 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19308 1999-09-14 Andrew Haley <aph@cygnus.com>
19310 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19311 use $0 instead of 0.
19313 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19315 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19316 computation out of loop over hard regs.
19318 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19320 * function.c (identify_blocks): Don't shadow a variable in an
19322 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19323 pushdecl, or poplevel to build up the new BLOCK tree.
19324 (expand_inline_function): Likewise.
19325 (integrate_parm_decls): Likewise.
19327 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19329 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19331 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19333 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19334 * invoke.texi: Document this change.
19336 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19338 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19340 (mark_emit_status): Renamed from mark_emit_state.
19341 * except.c (mark_eh_status): Renamed from mark_eh_state.
19342 Check not null before marking.
19343 (free_eh_status): New.
19344 * expr.c (mark_expr_status, free_expr_status): New.
19345 * function.c (free_machine_status): New.
19346 (free_after_parsing): New.
19347 (free_after_compilation): Move bits to free_after_parsing; call
19348 free_eh_status, free_expr_status; zero the marked members of the
19350 (prepare_function_start): No can_garbage_collect.
19351 Call init_eh_for_function.
19352 (expand_dummy_function_end): Free up current_function state.
19353 (mark_function_status): Renamed from mark_function_state.
19354 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19355 * function.h (struct function): No can_garbage_collect.
19356 (free_machine_status, free_after_parsing): Declare.
19357 (free_eh_status, free_expr_status): Declare.
19358 * ggc.h (mark_expr_status): Declare.
19359 * stmt.c (free_stmt_status): Free the struct.
19360 (mark_stmt_status): Renamed from mark_stmt_state.
19361 (init_stmt): Don't call init_eh.
19362 (init_stmt_for_function): Don't call init_eh_for_function.
19363 * toplev.c (compile_file): Call init_eh.
19364 (rest_of_compilation): Free basic block info before ggc_collect.
19365 Call free_after_parsing; conditionally call free_after_compilation.
19366 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19367 Check not null before marking.
19368 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19370 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19372 * c-lex.c (yylex): Initialize warn.
19374 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19376 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19377 register when performing secondary reloads for the SAR register.
19379 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19381 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19382 (NOTE_BLOCK): New macro.
19383 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19384 * function.h (identify_blocks): Change prototype.
19385 * function.c (identify_blocks): Simplify.
19386 (reorder_blocks): Likewise.
19387 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19388 NOTE_INSN_BLOCK_{BEG,END}.
19389 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19390 the list of saved notes if the note isn't a
19391 NOTE_INSN_BLOCK_{BEG,END}.
19392 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19394 (reemit_notes): Adjust recreation of notes to reflect new saved
19396 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19397 printing a block note.
19398 * stmt.c (block_vector): Remove.
19399 (find_loop_tree_blocks): Simplify.
19400 (unroll_block_trees): Likewise.
19401 * tree.h (reorder_block): Change prototype.
19403 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19405 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19406 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19407 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19408 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19409 (atexit, exit): Simplify.
19410 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19411 * config/lots: Remove defns of HAVE_ATEXIT.
19413 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19415 * calls.c (precompute_arguments): Fix typo in comment.
19416 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19419 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19421 * dsp16xx.c (override_options): Fix typos in GC root registration.
19423 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19425 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19426 from config/svr4.h.
19427 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19428 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19429 (CC1_SPEC): Likewise.
19431 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19433 * genattr.c (main): Add extern prototype. Call return, not exit.
19434 * genattrtab.c (main): Likewise.
19435 * gencheck.c (main): Likewise.
19436 * gencodes.c (main): Likewise.
19437 * genconfig.c (main): Likewise.
19438 * genemit.c (main): Likewise.
19439 * genextract.c (main): Likewise.
19440 * genflags.c (main): Likewise.
19441 * gengenrtl.c (main): Likewise.
19442 * genopinit.c (main): Likewise.
19443 * genoutput.c (main): Likewise.
19444 * genpeep.c (main): Likewise.
19445 * genrecog.c (main): Likewise.
19447 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19448 * genattrtab.c (get_insn_name): Likewise.
19449 * gencodes.c (get_insn_name): Likewise.
19450 * genconfig.c (get_insn_name): Likewise.
19451 * genemit.c (get_insn_name): Likewise.
19452 * genextract.c (get_insn_name): Likewise.
19453 * genflags.c (get_insn_name): Likewise.
19454 * genopinit.c (get_insn_name): Likewise.
19455 * genpeep.c (get_insn_name): Likewise.
19457 * gencheck.c (usage): Add static prototype.
19458 * genextract.c (print_path): Constify a char*.
19459 * genopinit.c (optabs): Likewise.
19460 * genoutput.c (operand_data, data, output_predicate_decls,
19461 compare_operands): Likewise.
19462 * genrecog.c (write_tree): Add default case in switch.
19464 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19466 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19468 * print-rtl.c (get_insn_name): Remove prototype.
19470 * toplev.h (progname): Declare const.
19472 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19473 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19474 dump_sched_info, dump_local_alloc, regset_release_memory,
19475 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19476 error_with_file_and_line, error_with_decl, error_for_asm, error,
19477 fatal, warning_with_file_and_line, warning_with_decl, warning,
19478 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19479 Remove redundant prototypes.
19481 (notice, check_lang_option, report_file_and_line, vnotice,
19482 mark_file_stack): Add static prototype.
19483 (set_fatal_function): Add prototype.
19484 (vnotice, report_file_and_line, set_fatal_function,
19485 check_lang_option): Constify a char*.
19486 (main): Prototype. Call return, not exit.
19488 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19490 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19492 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19494 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19496 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19498 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19500 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19501 behave as if it's zero in all cases.
19502 (expand_function_start): Adjust call to assign_parms.
19503 * tree.h (assign_parms): Adjust prototype.
19504 * objc/objc-act.c (hack_method_prototype): Adjust call to
19507 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19509 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19510 arg_pointer_rtx fixed if the argument pointer register is
19512 (NONZERO_BASE_PLUS_P): Likewise.
19514 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19516 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19517 match_insn2 to match_insn.
19518 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19520 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19522 * Makefile.in (USER_H): Remove va-foo.h.
19524 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19525 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19526 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19527 va-spur.h,va-v850.h}: Remove.
19529 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19531 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19532 (in_return_delay): Use it instead of match_insn.
19534 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19536 * config/alpha/va_list.h (va-alpha.h): Do not include.
19537 (__gnuc_va_list): Typedef as in varargs.h.
19539 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19541 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19542 DECL_LIVE_RANGE_RTL.
19544 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19546 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19547 not NOTE_BLOCK_NUMBER.
19548 (expand_eh_region_end): Likewise.
19549 (find_exception_handler_labels): Likewise.
19550 (scan_region): Likewise.
19551 (exception_optimize): Likewise.
19552 (update_rethrow_references): Likewise.
19553 (set_insn_eh_region): Likewise.
19554 * final.c (final_scan_insn): Likewise.
19555 * flow.c (make_edges): Likewise.
19556 * integrate.c (expand_inline_function): Likewise.
19557 * print-rtl.c (print_rtx): Likewise.
19559 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19561 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19562 terms of builtin functions and types.
19564 * mips.c (mips_build_va_list): New.
19565 (mips_va_start, mips_va_arg): New.
19566 * mips.h (BUILD_VA_LIST_TYPE): New.
19567 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19569 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19570 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19571 * sh.h (BUILD_VA_LIST_TYPE): New.
19572 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19574 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19576 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19577 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19578 (struct insn_data): Likewise with n_operands, n_dups,
19579 n_alternatives, output_format.
19580 * regclass.c (scan_one_insn): Cast n_operands to int before
19581 arithmetic inside comparison.
19583 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19585 * toplev.c (compile_function): Unconditionally emit nop.
19587 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19589 * haifa-sched.c (actual_hazard): Move declaration of variable
19590 `this_cost' into the scope where it is used.
19592 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19594 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19595 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19596 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19598 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19600 * jump.c (find_insert_position): Don't declare or define unless
19601 !HAVE_conditional_arithmetic.
19602 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19604 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19606 * recog.c (offsettable_address_p): Prototype function pointer.
19607 (preprocess_constraints): Call memset, not bzero.
19609 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19610 (gcc_obstack_init): Don't declare.
19611 (fix_sizetype): Add static prototype.
19612 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19613 (tree_cons): Call memset, not bzero.
19615 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19616 definition in macro ASM_WEAKEN_LABEL.
19617 (mark_const_hash_entry): Add static prototype.
19619 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19621 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19623 * unroll.c (find_common_reg_term, subtract_reg_term,
19624 loop_find_equiv_value): Add static prototypes.
19625 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19626 (copy_loop_body): Remove unreachable break statement.
19628 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19630 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19632 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19634 Undo some changes from the gcc2 merge:
19635 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19636 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19640 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19641 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19642 initialized float-int union if the value is a NaN.
19644 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19646 * gthr-win32.h: New file.
19648 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19649 shared as a valid attribute.
19650 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19651 * extend.texi: Document `shared' variable attribute.
19653 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19655 * configure.in: Handle --enable-threads on FreeBSD.
19656 * configure: Rebuit.
19658 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19660 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19662 * configure: Rebuilt.
19664 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19665 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19666 Rosimildo DaSilva <rdasilva@connecttel.com>
19668 * configure.in (m68k-*-rtemscoff*): Added.
19669 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19670 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19671 sparc-rtems configuration.
19672 * configure.in (sparc-*-rtemself*): Added.
19673 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19674 * config/i386/rtems.h: Added comment.
19675 * config/sparc/rtemself.h: New file.
19677 * configure.in (m68k-rtemself): Added.
19678 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19679 and DWARF_DEBUGGING_INFO.
19680 * config/m68k/crti.s: New file.
19681 * config/m68k/crtn.s: New file.
19682 * config/m68k/t-crtstuff: New file.
19683 * config/m68k/rtemself.h: New file.
19685 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19686 global ctor/dtor and C++ exception handling.
19687 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19688 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19690 * config/i386/t-rtems-i386: New File.
19692 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19694 * stmt.c (expand_end_case): Return right away if the case stack is
19697 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19699 * Makefile.in (version.c): Remove rule incorrectly brought in from
19702 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19704 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19705 * msdos/top.sed: Take into account a prepended $(SHELL) to
19707 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19709 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19711 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19713 * regmove.c (fixup_match_1): Don't change an unchanging register.
19714 (stable_but_for_p): Renamed to:
19715 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19716 Changed all callers.
19718 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19720 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19721 insn from BL2 is after the insn from BL.
19723 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19725 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19726 (struct insn_data): Merge `template' and `outfun' into `output'.
19727 Add `output_format'.
19728 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19729 (struct data): Remove `outfun'; add `output_format'.
19730 (name_for_index): Remove declaration.
19731 (output_insn_data): Handle output formats.
19732 (process_template): Emit the bare array for @.
19733 (gen_expand, gen_split): Set output_format to NONE.
19734 * output.h (get_insn_template): Declare.
19735 * final.c (get_insn_template): New.
19736 (final_scan_insn): Use it.
19737 * toplev.c (compile_file): Likewise.
19739 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19740 * i860/i860.c (output_delayed_branch): Likewise.
19741 (output_delay_insn): Likewise.
19743 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19745 * rtl.c (obstack_alloc_rtx): Removed.
19747 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19749 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19751 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19753 * i386.c (call_insn_operand): Reject const_int.
19754 (expander_call_insn_operand): Use call_insn_operand.
19756 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19758 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19760 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19762 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19763 Use DImode operation.
19765 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19767 * gcc.c: Include sys/resource.h.
19768 (report_times): New flag.
19769 (execute): If report_times is set, calculate and report the
19770 CPU time consumed by each subprocess.
19772 (rus, prus): New globals.
19773 (option_map): Add --time.
19774 (display_help): Document -time.
19775 (process_command): Set report_times if -time is given.
19776 Turn off -pipe if -time is given.
19778 * invoke.texi: Document new option -time.
19780 * configure.in: Check for getrusage. Check if we have to
19781 prototype getrusage.
19782 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19783 * configure: Regenerate.
19784 * config.in: Regenerate.
19786 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19788 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19791 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19793 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19794 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19795 (nan): Return _thenan_sf or _thenan_df as appropriate.
19796 (L_thenan_sf): Define _thenan_sf.
19797 (L_thenan_df): Define _thenan_df.
19799 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19800 (DPBIT_FUNCS): Add _thenan_df.
19802 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19804 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19807 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19809 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19812 (lang_specific_driver): Don't take a function pointer parameter.
19813 All callers changed.
19815 * gcc.c: Include gcc.h.
19816 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19817 lang_specific_extra_outfiles, fatal): Don't declare.
19818 (multilib_defaults_raw): Constify.
19819 (read_specs): Call memset, rather than bzero.
19820 (main): Call return, not exit.
19821 (lookup_compiler): Call memcpy, not bcopy.
19822 (fatal): Make extern.
19824 * cppspec.c: Include gcc.h.
19825 (lang_specific_driver): Initialize variable `quote'. Constify a
19826 char*. All calls to the function pointer parameter now
19827 explicitly call `fatal'.
19829 * gccspec.c (lang_specific_driver): Include gcc.h.
19831 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19833 * arm.c (note_invalid_constants): Use recog_data.operand_type
19836 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19838 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19841 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19842 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19843 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19844 reload_secondary_in_reload, reload_secondary_out_reload,
19845 reload_secondary_in_icode, reload_secondary_out_icode,
19846 reload_reg_rtx, reload_when_needed): Delete declarations.
19847 (struct reload): New structure.
19848 (rld): Declare new array.
19849 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19850 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19851 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19852 reload_secondary_in_reload, reload_secondary_out_reload,
19853 reload_secondary_in_icode, reload_secondary_out_icode,
19854 reload_reg_rtx, reload_when_needed): Delete definitions.
19856 (whole file): Replace uses of the deleted arrays with uses of rld.
19857 * reload1.c (whole file): Replace uses of the deleted arrays with
19859 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19860 explicit loops, not with bcopy.
19862 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19864 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19865 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19866 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19867 insn_name): Delete and consolidate into new structures.
19868 (insn_operand_predicate_fn): New.
19869 (insn_output_fn): New.
19870 (insn_gen_fn): New.
19871 (struct insn_operand_data): New.
19872 (struct insn_data): New.
19874 (OUT_FCN): Update for insn_data change.
19875 * builtins.c (expand_builtin_strlen): Likewise.
19876 (expand_builtin_memcmp): Likewise.
19877 * combine.c (make_extraction, simplify_comparison): Likewise.
19878 * cse.c (canon_reg, cse_insn): Likewise.
19879 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19880 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19881 (emit_store_flag): Likewise.
19882 * expr.c (convert_move, emit_block_move): Likewise.
19883 (clear_storage, emit_push_insn, expand_increment): Likewise.
19884 (do_store_flag): Likewise.
19885 * expr.h (GEN_FCN): Likewise.
19886 (insn_gen_function): Die.
19887 * final.c (final_scan_insn): Update for insn_data change.
19888 (output_asm_name): Likewise.
19889 * function.c (fixup_var_refs_1): Likewise.
19890 * loop.c (check_dbra_loop): Likewise.
19891 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19892 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19893 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19894 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19895 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19896 * regmove.c (gen_add3_insn): Likewise.
19897 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19898 (find_reloads, find_reloads_address_1): Likewise.
19899 (debug_reload_to_stream): Likewise.
19900 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19901 * stmt.c (expand_end_case): Likewise.
19902 * toplev.c (compile_file): Likewise.
19904 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19905 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19907 * print-rtl.c (insn_name_ptr): Remove declaration.
19908 (get_insn_name): Declare.
19909 (print_rtx): Use it.
19910 * genoutput.c (insn_name_ptr): Remove.
19911 (next_operand_number): New.
19912 (struct operand_data): New.
19913 (null_operand, odata, odata_end): New.
19914 (struct data): Use struct operand_data.
19915 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19916 (get_insn_name): Renamed from name_for_index.
19917 (output_prologue): Define NO_MD_PROTOTYPES.
19918 (output_predicate_decls): Break out from output_epilogue.
19919 Iterate over the operands list.
19920 (output_operand_data): Break out from output_epilogue. Emit
19921 just the operands list.
19922 (output_insn_data): Break out from output_epilogue. Emit just
19924 (output_epilogue): Remove.
19925 (output_get_insn_name): New.
19926 (constraints, op_n_alternatives, predicates, address_p): Die.
19927 (modes, strict_low, seen): Die.
19928 (scan_operands): Take new param `d' instead of writing to
19929 seven global variables.
19930 (compare_operands): New.
19931 (place_operands): New.
19932 (validate_insn_alternatives): Update for struct data change.
19933 (gen_insn): Don't zero or copy 7 global arrays. Update for
19934 scan_operands; call place_operands.
19935 (gen_peephole, gen_expand, gen_split): Likewise.
19936 (main): Update for new output routines.
19938 * genattr.c (insn_name_ptr): Remove.
19939 (get_insn_name): New function.
19940 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19941 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19942 * genrecog.c: Likewise.
19944 * alpha.md (adddi3): Make `pattern' array static.
19946 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19948 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19949 c4x_cpu_version_string): Constify char *.
19950 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19951 c4x_cpu_version_string): Likewise.
19953 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19955 * tree.c (save_tree_status): Revert 10 Sep change.
19956 (restore_tree_status): Likewise. Call obstack_free with NULL
19957 before freeing the obstack proper.
19959 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19961 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19963 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19964 surrounding context.
19966 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19968 * tree.c (type_hash_canon): Put all types in the hash-table, when
19971 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19973 * recog.h (struct recog_data, recog_data): New.
19974 (recog_foo variables): Kill.
19975 * recog.c (recog_operand, recog_operand_loc): Kill.
19976 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19977 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19978 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19979 (recog_data): Define.
19980 (extract_insn): Update all recog_foo references to use recog_data.
19981 (preprocess_constraints, constrain_operands): Likewise.
19982 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19983 * genattrtab.c (main): Likewise.
19984 * genextract.c (main): Likewise.
19985 * genoutput.c: Likewise.
19986 * genrecog.c (write_subroutine, main): Likewise.
19987 * local-alloc.c (block_alloc): Likewise.
19988 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19989 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19990 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19991 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19992 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19993 (reload_cse_simplify_operands): Likewise.
19995 * arc/arc.c (arc_final_prescan_insn): Likewise.
19996 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19997 * h8300/h8300.c (notice_update_cc): Likewise.
19998 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19999 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20000 * mn10200/mn10200.c (notice_update_cc): Likewise.
20001 * mn10300/mn10300.c (notice_update_cc): Likewise.
20002 * romp/romp.c (update_cc): Likewise.
20003 * sparc/sparc.c (check_pic): Likewise.
20004 * v850/v850.c (notice_update_cc): Likewise.
20006 * genemit.c (main): Don't declare recog_operand.
20008 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20010 * ggc.h (rtvec_def): Forward declare.
20011 (tree_node): Likewise.
20012 (ggc_root): Define.
20014 (ggc_set_mark_rtx): Add prototype.
20015 (ggc_set_mark_rtvec): Likewise.
20016 (ggc_set_mark_tree): Likewise.
20017 * ggc-simple.c (ggc_root): Don't define.
20018 (roots): Don't declare.
20019 (ggc_mark_rtx): Remove.
20020 (ggc_mark_rtvec): Likewise.
20021 (ggc_mark_tree): Likewise.
20022 (ggc_mark_varray): Likewise.
20023 (ggc_mark_tree_hash_table_entry): Likewise.
20024 (ggc_mark_tree_hash_table): Likewise.
20025 (ggc_set_mart_rtx): New function.
20026 (ggc_set_mark_rtvec): Likewise.
20027 (ggc_set_mark_tree): Likewise.
20028 (ggc_add_root): Remove.
20029 (ggc_add_rtx_root): Likewise.
20030 (ggc_remove_tree_root): Likewise.
20031 (ggc_add_string_root): Likewise.
20032 (ggc_add_tree_varray_root): Likewise.
20033 (ggc_add_tree_hash_table_root): Likewise.
20034 (ggc_del_root): Likewise.
20035 (ggc_mark_rtx_ptr): Likewise.
20036 (ggc_mark_tree_ptr): Likewise.
20037 (ggc_mark_string_ptr): Likewise.
20038 (ggc_mark_tree_varray_ptr): Likewise.
20039 (ggc_mark_tree_hash_table_ptr): Likewise.
20040 * ggc-common.c: New file.
20041 * Makefile.in (OBJS): Add ggc-common.o.
20042 (ggc-common.o): List dependencies.
20044 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20046 * cppalloc.c (xstrdup): Use memcpy.
20047 * cpperror.c (cpp_print_containing_files): Don't use
20049 * cpplib.c (conditional_skip): Set temp->lineno.
20050 (do_endif): Make error message less obscure.
20051 (if_directive_name): New function.
20052 (cpp_get_token [case EOF]): Unwind the if stack and generate
20053 error messages for each unterminated conditional in this file.
20054 (parse_string): Do not behave differently if -traditional.
20056 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20058 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20059 va_list decomposing to pointer-type.
20060 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20061 (rs6000_va_arg): Likewise.
20063 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20065 * except.c (start_dynamic_handler): Compute size using
20066 STACK_SAVEAREA_MODE.
20068 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20070 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20071 include directory headers. Don't define strrchr. Don't provide
20072 my_* replacement functions. Prefer PTR over `pointer_type'.
20073 Don't prototype system functions. Don't redefine getopt.
20075 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20076 safe_read, safe_write, save_pointers, restore_pointers,
20077 is_id_char, in_system_include_dir, directory_specified_p,
20078 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20079 find_corresponding_lparen, referenced_file_is_newer,
20080 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20081 process_aux_info_file, identify_lineno, check_source,
20082 seek_to_line, forward_to_next_token_char, output_bytes,
20083 output_string, output_up_to, other_variable_style_function,
20084 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20085 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20086 find_static_definition, connect_defs_and_decs, add_local_decl,
20087 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20088 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20089 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20090 scan_for_missed_items, edit_file, string_list_cons): Add static
20092 (standard_exec_prefix, target_machine, target_version,
20093 default_syscalls_dir, string_list, string_list_cons, find_file,
20094 do_cleaning): Constify a char*.
20095 (safe_read, safe_write): Use PTR, not a char*.
20096 (is_id_char): Take an int, not a char.
20097 (main): Add prototype. Call return, not exit.
20099 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20101 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20102 when comparing types.
20104 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20106 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20107 (strength_reduce): Release the varrays from the no-bivs early exit.
20109 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20110 the loop over the registers.
20112 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20114 (restore_tree_status): Check that instead when freeing the obstack.
20116 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20118 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20121 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20123 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20124 operand size modifiers.
20126 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20128 * c-common.c (c_common_nodes_and_builtins): Don't build
20130 * c-common.h (enum c_tree_index and related accesor macros): Remove
20131 everything now declared in tree.h.
20132 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20133 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20134 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20135 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20136 unsigned_type_node, ptr_type_node, va_list_type_node,
20137 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20138 (init_decl_processing): Call build_common_tree_nodes and
20139 build_common_tree_nodes_2 instead of building their nodes here.
20140 Don't add roots for these nodes.
20141 * stor-layout.c (size_zero_node, size_one_node): Delete.
20142 (set_sizetype): Make a new node for bitsizetype each time.
20143 * tree.c (global_trees): New variable.
20144 (init_obstacks): Add a gc root for it.
20145 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20146 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20147 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20148 (build_common_tree_nodes): New function.
20149 (fix_sizetype): New function.
20150 (build_common_tree_nodes_2): New function.
20151 * tree.h (enum tree_index): New.
20152 (global_trees): Declare.
20153 Add accessor macros for all nodes now moved to global_trees.
20154 Delete their declarations.
20156 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20158 * c-decl.c (finish_function): When processing a nested function,
20159 push and pop GC context around rest_of_compilation.
20161 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20163 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20164 Default ix86_arch to PROCESSOR_I386.
20165 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20166 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20167 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20168 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20169 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20170 (EXTRA_SPECS): Remove deleted specs.
20172 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20174 * function.c (assign_stack_local_1): Allocate from
20175 function->x_frame_offset, not frame_offset.
20177 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20179 * ggc.h (lang_cleanup_tree): Remove.
20180 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20181 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20183 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20184 TYPE_LANG_SPECIFIC when garbage collecting.
20185 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20186 (lang_cleanup_tree): Remove.
20188 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20190 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20191 * crtstuff.c: Not here.
20192 * dwarf2out.c: Or here.
20193 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20196 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20198 * function.h (free_after_compilation): Remove decl parameter.
20199 (free_varasm_status0: Likewise.
20200 (free_emit_status): Likewise.
20201 (free_stmt_status): Likewise.
20202 (free_after_compilation): Likewise.
20203 (init_lang_status): New variable.
20204 (free_lang_status): Likewise.
20205 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20206 * function.c (init_lang_status): New variable.
20207 (free_lang_status): Likewise.
20208 (push_function_context_to): Don't set function::decl here.
20209 (free_after_copmilation): Make decl parameter implicit. Call
20210 free_lang_status if defined.
20211 (prepare_function_start): Call init_lang_status if defined.
20212 (init_function_start): Set function::decl here.
20213 * profile.c (output_func_start_profiler): Don't call pushdecl
20214 until we've actually started the function.
20215 * stmt.c (free_stmt_status): Make decl parameter implicit.
20216 * toplev.c (rest_of_compilation): Don't pass decl to
20217 free_after_compilation.
20218 * varasm.c (free_varasm_status): Likewise.
20220 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20222 * except.c (call_get_eh_context): Add root when allocating static
20225 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20227 * arm.c: Include "ggc.h".
20228 (arm_add_gc_roots): New function.
20229 (arm_override_options): Call it.
20230 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20232 * arm.md (define_asm_attributes): Add a pool_range attribute.
20234 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20236 * extend.texi (Volatiles): New node.
20238 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20240 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20241 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20242 (struct ggc_any): Replace `mark' with `magic_mark'.
20243 (ggc_alloc_string): Use memcpy, not bcopy.
20244 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20245 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20246 (ggc_free_any): New.
20247 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20248 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20249 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20250 Use IS_MARKED. Use ggc_free_any.
20252 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20254 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20256 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20258 * toplev.c (main): Always init_ggc.
20260 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20262 * except.c (find_all_handler_type_matches): Free the list if
20263 we found no matches.
20265 * combine.c (SUBST): Break out to a real function do_SUBST.
20266 (SUBST_INT): Likewise.
20267 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20268 (pre_insert): Free `inserted'.
20269 * loop.c (basic_induction_var): Always set `location'.
20271 * function.c (expand_function_end): Add initial_trampoline as a root.
20272 * rtl.h (init_varasm_once): Declare.
20273 * toplev.c (compile_file): Call it.
20274 * ggc-simple.c (ggc_mark_string_ptr): New.
20275 (ggc_add_string_root): New.
20276 (ggc_collect): Disable collection avoidance temporarily.
20277 * ggc.h (ggc_add_string_root): Declare.
20278 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20279 * optabs.c (init_libfuncs): Likewise.
20280 * varasm.c (named_section): Use ggc_alloc_string.
20281 (make_function_rtl): Likewise.
20282 (make_decl_rtl): Likewise.
20283 (assemble_static_space): Likewise.
20284 (assemble_trampoline_template): Likewise.
20285 (output_constant_def): Likewise.
20286 (force_const_mem): Likewise.
20287 (mark_const_hash_entry): New.
20288 (mark_pool_sym_hash_table): New.
20289 (mark_varasm_state): Use it.
20290 (init_varasm_once): New.
20292 * expr.h (init_one_libfunc): Declare.
20293 * optabs.c (init_one_libfunc): New.
20294 (init_optabs): Use it.
20295 * config/gofast.h: Likewise.
20296 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20297 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20299 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20301 * Makefile.in (cppexp.o): Depend on cpphash.h.
20302 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20304 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20305 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20306 redefining poisoned identifiers, etc.
20307 (do_undef): Don't allow poisoned identifiers to be undefined.
20308 (do_pragma): Add #pragma poison.
20309 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20311 * cccp.c: Add T_POISON node type.
20312 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20314 (do_define): Generalise to handle poisoned definitions,
20315 redefining poisoned identifiers, etc.
20316 (do_undef): Don't allow poisoned identifiers to be undefined.
20317 (do_pragma): Add #pragma poison.
20318 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20320 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20321 * c-pragma.h: Add ps_poison state. We now always have generic
20324 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20326 * ggc.h (ggc_alloc): New function.
20327 (ggc_mark): Likewise.
20328 * ggc-simple.c (ggc_any): New structure.
20329 (ggc_status): Add anys.
20330 (n_anys_collected): New variable.
20331 (ggc_alloc): Define.
20332 (ggc_mark): Likewise.
20333 (ggc_collect): Collect the anys.
20335 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20337 * c-decl.c (mark_binding_level): Make static to match prototype.
20339 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20341 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20343 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20345 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20346 will use into account. Expand the max width to 5.
20349 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20351 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20352 for the rtx length.
20354 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20356 * alpha.md (call value patterns): Remove the result predicates.
20358 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20360 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20363 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20365 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20366 changed from extern char *, to extern PTR. Also fix typo in
20367 NEED_DECLARATION_REALLOC test.
20369 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20371 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20373 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20374 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20375 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20376 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20378 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20380 * cccp.c (pcfinclude): Likewise.
20382 * global.c (allocno_compare): Likewise.
20384 * haifa-sched.c (rank_for_schedule): Likewise.
20386 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20388 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20390 * stupid.c (stupid_reg_compare): Likewise.
20392 * tree.c (_obstack_allocated_p): Likewise.
20394 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20396 1999-09-08 Bruce Korb autogen@linuxbox.com
20398 * Makefile.in: Give the hapless gperf user a hint about
20399 why "gperf -F" fails.
20401 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20403 * lists.c: Include ggc.h.
20405 (init_EXPR_INSN_LIST_cache): Install it.
20407 * ggc-simple.c (init_ggc): Absorb the old init.
20408 (ggc_push_context): Use xcalloc.
20409 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20410 (ggc_collect): Add [rvts] tags to the collection stats.
20412 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20414 * cccp.c (main): Fix handling of -include and -imacros options.
20416 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20418 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20420 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20422 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20425 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20427 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20428 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20429 and SET_DEST. Update comment.
20431 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20433 * config/c4x/c4x.c: Include ggc.h.
20434 (c4x_add_gc_roots): New function.
20435 (c4x_override_options): Call c4x_add_gc_roots.
20437 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20439 * defaults.h (TARGET_ESC): Move ...
20440 * system.h: ... here, where Linas had it in the first place. Silly me.
20442 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20444 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20445 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20446 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20447 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20448 * defaults.h (TARGET_ESC): Add default.
20450 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20452 * configure.in: add i370-*-openedition, i370-*-mvs and
20453 i370-*-linux targets
20455 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20457 * dsp16xxx.c: Include ggc.h
20458 (override_options): Mark GC roots.
20459 * mn10200.c: Include ggc.h.
20460 (asm_file_start): Mark GC roots.
20461 * tahoe.c: Include ggc.h.
20462 (extensible_operand): Mark GC roots.
20464 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20466 * README: Add section discussing status of ELF ABI.
20467 * i370.c: Fix misc spelling mistakes.
20468 (i370_label_scan): Updated notes, exception handling.
20469 (i370_function_prolog): Simplify ELF stack handling.
20470 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20471 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20472 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20473 * i370.md: (movdi): Add notes.
20474 (floatsidf2): Use stack not rtca for scratch float area.
20475 (iorsi3): Correct operand constraints.
20476 * x-oe: Restore TAROUTOPTS which are used by pax.
20478 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20480 * rs6000.c: Include ggc.h.
20481 (rs6000_add_gc_roots): New function.
20482 (override_options): Call it.
20484 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20486 * alpha.h (alpha_compare): New.
20487 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20488 * alpha.c: Likewise for the definitions.
20489 (alpha_emit_conditional_branch): Update for alpha_compare.
20490 (alpha_emit_conditional_move): Likewise.
20491 * alpha.md (cmpdf, cmpdi): Likewise.
20492 (setcc patterns): Likewise. Zero alpha_compare after use.
20493 (sne): Optimize (x != 0) into (0U < x).
20495 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20497 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20498 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20499 (INIT_EXPANDERS): Remove.
20500 * alpha.c: Include ggc.h.
20501 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20502 (alpha_init_machine_status, alpha_mark_machine_status): New.
20503 (override_options): Install them.
20504 (struct machine_function): Moved to alpha.h.
20505 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20506 (alpha_init_expanders): Remove.
20507 (alpha_return_addr): Adjust to use current_function->machine.
20508 (alpha_ra_ever_killed): Likewise.
20509 (alpha_expand_epilogue): Likewise.
20510 * alpha.md (eh_epilogue): Likewise.
20512 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20513 Melissa O'Neill <oneill@cs.sfu.ca>
20514 Geoffrey Keating <geoffk@cygnus.com>
20516 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20517 call-used registers (call-saved registers must still be contiguous
20518 and end with r31, of course).
20520 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20522 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20523 (self_promoting_type_p): Delete.
20524 (self_promoting_args_p): Move ...
20525 * c-common.c: ... here.
20526 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20527 (simple_type_promotes_to): New.
20528 * builtins.c (lang_type_promotes_to): New.
20529 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20530 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20531 * c-common.h: ... here.
20532 (self_promoting_args_p, simple_type_promotes_to): Declare.
20533 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20534 (grokdeclarator): Likewise.
20535 * tree.h (lang_type_promotes_to): Declare.
20537 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20539 Add some machine-dependent GC roots.
20540 * sparc.c: Include ggc.h.
20541 (sparc_add_gc_roots): New function.
20542 (mark_ultrasparc_pipeline_state): Likewise.
20543 (override_options): Call sparc_add_gc_roots.
20544 * pa.c: Include ggc.h.
20545 (pa_add_gc_roots): New function.
20546 (mark_deferred_plabels): Likewise.
20547 (override_options): Call pa_add_gc_roots.
20548 * mips.c: Include ggc.h.
20549 (mips_add_gc_roots): New function.
20550 (override_options): Use it.
20552 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20554 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20556 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20557 cpp_parse_expr): Add static prototypes.
20558 (parse_charconst): Don't cast away const-ness.
20559 (token): Constify a char*.
20561 * cppfiles.c (file_name_list, include_hash, find_include_file,
20562 finclude, initialize_input_buffer): Constify a char*.
20563 (file_cleanup, find_position): Add static prototypes.
20565 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20566 collect_expansion): Add static prototypes.
20567 (cpp_install, create_definition, monthnames): Constify a char*.
20569 * cpphash.h (cpp_install): Likewise.
20571 * cppinit.c (known_suffixes, default_include,
20572 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20573 (base_name, dump_special_to_buffer, initialize_dependency_output):
20574 Add static prototypes.
20576 * cpplib.c (my_strerror): Constify a char*.
20577 (null_underflow, null_cleanup, skip_comment, copy_comment,
20578 copy_rest_of_line, handle_directive, pass_thru_directive,
20579 get_directive_token, read_line_number, cpp_print_file_and_line,
20580 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20581 v_cpp_warning_with_line, detect_if_not_defined,
20582 consider_directive_while_skipping): Add static prototypes.
20583 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20584 cpp_pedwarn_with_file_and_line): Constify a char*.
20586 * cpplib.h (cpp_options, include_hash, progname, definition,
20587 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20588 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20589 find_include_file, deps_output, include_hash): Constify a char*.
20591 * cppmain.c (progname): Constify.
20592 (main): Add prototype. Use return, not exit.
20594 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20595 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20596 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20597 check_protection): Add static prototype.
20599 (progname, recognized_macrom, recognized_extern): Constify a char*.
20600 (main): Add prototype.
20602 * gen-protos.c (progname): Constify a char*.
20604 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20606 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20607 (init_emit_once): Add more GC roots.
20608 * except.c (mark_func_eh_entry): New function.
20609 (mark_eh_node): Mark false_label and rethrow_label.
20610 (init_eh): Add more GC roots.
20611 * function.c (free_after_compilation): Take decl as a paramter.
20612 Call free_stmt_status.
20613 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20615 * function.h (free_after_compilation): Change prototype.
20616 (free_varasm_status): Likewise.
20617 (free_emit_status): Likewise.
20618 (free_stmt_status): New function.
20619 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20620 Remove, replacing with ...
20621 (ggc_status): New structure.
20622 (ggc_chain): New variable.
20623 (init_gcc): Define.
20624 (ggc_push_context): New function.
20625 (ggc_pop_context): Likewise.
20626 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20627 (ggc_alloc_rtvec): Likewise.
20628 (ggc_alloc_tree): Likewise.
20629 (ggc_alloc_string): Likewise.
20630 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20631 (ggc_mark_tree): Give language-dependent code a chance to mark
20633 (ggc_mark_tree_varray): Handle empty arrays.
20634 (ggc_collect): Adjust for use of ggc_chain. Clear
20635 bytes_alloced_since_last_gc.
20636 * ggc.h (ggc_pop_context): New function.
20637 (ggc_push_context): Likewise.
20638 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20639 * stmt.c (free_stmt_status): New function.
20640 (init_stmt_for_function): Clear last_expr_value.
20641 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20642 Conditionalize call to ggc_collect.
20643 (main): Call init_ggc.
20644 * tree.c (push_obstacks): Do the push, even when GC'ing.
20645 (push_obstacks_nochange): Likewise.
20646 (pop_obstacks): Liekwise.
20647 * varasm.c (free_varasm_status): Take decl as a parameter.
20649 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20651 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20652 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20653 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20654 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20656 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20658 * pa/x-pa-mpeix: New file for the MPE port.
20660 * pa/quadlib.asm: New file for long double support.
20662 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20663 * configure: Rebuilt.
20665 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20667 * final.c (shorten_branches): Fix last change.
20669 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20671 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20673 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20675 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20678 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20680 * c-aux-info.c (concat): Don't define.
20682 * cccp.c (my_strerror): Likewise. All callers changed to use
20684 (do_include): Call xstrdup, not xmalloc/strcpy.
20685 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20686 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20688 * collect2.c (my_strsignal): Likewise. All callers changed to use
20690 (locatelib): Call xstrdup, not xmalloc/strcpy.
20692 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20694 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20696 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20698 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20700 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20702 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20704 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20706 (find_all_handler_type_matches): Likewise. Don't check return
20708 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20709 xmalloc, not malloc.
20710 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20712 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20713 (init_spec): Call xcalloc, not xmalloc/bzero.
20714 (set_spec): Call xstrdup, not save_string.
20715 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20716 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20717 (process_command): Call xstrdup, not save_string.
20718 (main): Call xcalloc, not xmalloc/bzero.
20720 * gcov.c (xmalloc): Don't define.
20721 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20722 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20723 (output_data): Call xcalloc, not xmalloc/bzero.
20725 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20727 * mips-tdump.c (xmalloc): Don't define.
20728 (print_symbol): Call xmalloc, not malloc.
20729 (read_tfile): Call xcalloc, not calloc.
20731 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20732 Don't define. All callers of xfree/my_strsignal changed to use
20733 free/strsignal instead.
20734 (allocate_cluster): Call xcalloc, not calloc.
20736 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20737 Fix memory leak, free allocated memory.
20739 * prefix.c (translate_name): Call xstrdup, not save_string.
20740 (update_path): Likewise.
20742 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20744 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20745 Don't define. Callers of xfree/savestring2 changed to use
20746 free/concat instead.
20748 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20749 (init_elim_table): Likewise.
20751 * resource.c (init_resource_info): Likewise.
20753 * stupid.c (stupid_life_analysis): Likewise.
20755 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20756 (open_dump_file): Call concat, not xmalloc/strcpy/...
20757 (clean_dump_file): Likewise.
20758 (compile_file): Call xstrdup, not xmalloc/strcpy.
20760 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20762 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20763 * v850.c (v850_va_arg): New.
20765 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20767 * haifa-sched.c: Tidy comments.
20769 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20771 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20772 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20773 $(out_object_file)): Depend on ggc.h.
20774 * c-common.c: Include "ggc.h".
20775 (combine_strings): If doing GC, use ggc_alloc_string.
20776 * c-decl.c: Include "ggc.h".
20777 (ggc_p): Define with value 0.
20778 (mark_binding_level): New function.
20779 (init_decl_processing): Add GC roots.
20780 (mark_c_function_context): New function.
20781 (lang_mark_false_label_stack): New function.
20782 (lang_mark_tree): New function.
20783 (lang_cleanup_tree): New function.
20784 * c-lang.c: Include "ggc.h".
20785 (lang_init): Call c_parse_init.
20786 * c-lex.c: Include "ggc.h".
20787 (check_linenum): If doing GC, don't copy filenames to permanent
20789 * c-parse.in: Include "ggc.h".
20790 (c_parse_init): New function.
20791 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20792 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20794 * except.c (mark_eh_state): Mark more state.
20795 * function.c (mark_function_state): Likewise.
20796 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20797 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20798 * toplev.c (mark_file_stack): New function.
20799 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20800 (main): Add root for input_file_stack.
20802 * i386.c: Include "ggc.h".
20803 (ix86_mark_machine_status): New function.
20804 (override_options): Set mark_machine_status.
20806 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20808 * tree.c (copy_node): Copy node contents also if doing GC.
20810 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20812 * collect2.c (scan_libraries): Fix double-thinko :-).
20814 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20816 * collect2.c (scan_libraries): Fix thinko.
20818 * cse.c (delete_trivially_dead_insns): Do not skip the last
20819 insn if it is a real insn.
20821 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20823 * Makefile.in (ggc-simple.o): Depend on hash.h.
20824 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20825 (ggc_mark_tree_varray): Likewise.
20826 (ggc_mark_tree_hash_table): Likewise.
20827 * ggc-simple.c: Include hash.h.
20828 (ggc_mark_tree_hash_table_ptr): New function.
20829 (ggc_mark_tree_hash_table_entry): Likewise.
20830 (ggc_mark_tree_hash_table): Likewise.
20831 (ggc_add_tree_hash_table_root): Likewise.
20832 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20833 rtx, when defining fields.
20835 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20837 * profile.c (output_func_start_profiler): Remove apparently
20838 nonsensical call to start_sequence.
20840 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20842 * clipper/clipper.c (clipper_va_start): Fix typos.
20844 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20845 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20846 (spur_va_arg): New stub.
20848 * configure.in: Comment out pyramid.
20850 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20852 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20853 don't conflict with the bits that win32, cygwin, and dgux
20856 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20857 Bernd Schmidt <bernds@cygnus.co.uk>
20859 * integrate.c (function_cannot_inline_p): Do not inline
20860 functions with forced labels.
20862 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20863 Bernd Schmidt <bernds@cygnus.co.uk>
20864 Mark Mitchell <mark@codesourcery.com>
20866 * Makefile.in (ggc-simple.o): Depend on varray.h.
20867 (rtl.o): Depend on ggc.h.
20868 (genattrtab.o): Depend on ggc.h.
20869 (print-tree.o): Likewise.
20870 (fold-const.o): Likewise.
20871 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20872 (make_insn_raw): Don't cache insns when GC'ing.
20873 (emit_insn_before): Likewise.
20874 (emit_insn_after): Likewise.
20875 (emit_insn): Likewise.
20876 (start_sequence): Use xmalloc to allocate the sequence_stack.
20877 (end_sequence): Add free to free it.
20878 (gen_sequence): Don't cache insns when GC'ing.
20879 (clear_emit_caches): Don't use sequence_element_free_list.
20880 (init_emit): Use xcalloc, not xmalloc+bzero.
20881 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20882 * function.c (pop_function_context_from): Use free to free the
20883 fixup_var_refs_queue.
20884 (put_reg_into_stack): Allocate it with xmalloc.
20885 * genattrtab.c: Include ggc.h.
20886 (operate_exp): Don't use obstack_free when GC'ing.
20887 (simplify_cond): Likewise.
20888 (simplify_text_exp): Likewise.
20889 (optimize_attrs): Likewise.
20890 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20892 (gencode): Generate a #include for ggc.h.
20893 * ggc-callbacks.c (ggc_p): Define it to zero.
20894 * ggc-none.c (ggc_p): Likewise.
20895 * ggc-simple.c: Include varray.h.
20896 (ggc_mark_tree_varray): New function.
20897 (ggc_add_tree_varray_root): Likewise.
20898 (ggc_mark_tree_varray_ptr): Likewise.
20899 * ggc.h (ggc_p): Declare.
20900 (varray_head_tag): Likewise.
20901 (ggc_add_tree_varray_root): Declare.
20902 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20903 inconsistencies when GC'ing.
20904 * rtl.c: Include ggc.h.
20905 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20906 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20907 (rtx_free): Don't call obstack_free when GC'ing.
20908 * toplev.c (rest_of_compilation): Call ggc_collect after every
20910 * tree.c (push_obstacks): Do nothing, if GC'ing.
20911 (pop_obstacks_nochange): Likewise.
20912 (pop_obstacks): Likewise.
20913 (make_node): Use ggc_alloc_tree when GC'ing.
20914 (copy_node): Likewise.
20915 (get_identifier): Use ggc_alloc_string when GC'ing.
20916 (build_string): Likewise.
20917 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20918 (tree_cons): Likewise.
20919 (build1): Likewise.
20920 (type_hash_canon): Don't call obstack_free when GC'ing.
20922 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20924 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20925 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20927 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20928 Bernd Schmidt <bernds@cygnus.co.uk>
20929 Mark Mitchell <mark@codesourcery.com>
20931 * Makefile.in (stor-layout.o): Depend on ggc.h.
20932 (expr.o): Depend on ggc.h.
20933 (profile.o): Depend on ggc.h.
20934 (stor-layout.o): Depend on ggc.h.
20935 * emit-rtl.c (init_emit_once): Add gc roots.
20936 * expr.c: Include ggc.h.
20937 (emit_block_move): Add gc roots.
20938 (clear_storage): Likewise.
20939 * expr.h (init_stor_layout_once): New function.
20940 * profile.c: Include ggc.h.
20941 (init_arc_profiler): profiler_label is a root.
20942 * scan.c (make_sstring_space): Trust xrealloc to function
20943 correctly with first parameter NULL.
20944 * stor-layout.c: Include ggc.h.
20945 (set_sizetype): Add gc root.
20946 (init_stor_layout_once): New function.
20947 * toplev.c (compile_file): Call it.
20949 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20950 Bernd Schmidt <bernds@cygnus.co.uk>
20951 Mark Mitchell <mark@codesourcery.com>
20953 * Makefile.in (tree.o): Depend on ggc.h.
20954 (varasm.o): Likewise.
20955 (function.o): Likewise.
20956 (stmt.o): Likewise.
20957 (except.o): Likewise.
20958 (optabs.o): Likewise.
20959 (emit-rtl.o): Likewise.
20960 * emit-rtl.c: Include ggc.h.
20961 (sequence_element_free_list): Remove, and all references.
20962 (mark_sequence): New functions.
20963 (mark_emit_state): New function.
20964 * except.c: Include ggc.h.
20965 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20966 (mark_tree_label_node): New functions.
20967 (mark_eh_state): New function.
20968 * function.c: Include ggc.h.
20969 (mark_temp_slot, mark_function_chain): New functions.
20970 (mark_function_state): New function.
20971 (init_function_once): New function.
20972 * function.h (init_function_once): New function.
20973 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20974 * ggc.h (label_node): Declare.
20975 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20976 (lang_mark_false_label_stack): New function.
20977 (mark_temp_slot): Remove declaration.
20978 (mark_function_chain): Likewise.
20979 (mark_eh_state): Adjust prototype.
20980 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20982 * optabs.c: Include ggc.h.
20983 (mark_optab): New function.
20984 (init_optabs): Add gc roots.
20985 * stmt.c: Include ggc.h.
20986 (mark_cond_nesting, mark_loop_nesting): New functions.
20987 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20988 (mark_stmt_state): New function.
20989 * toplev.c (compile_file): Call init_function_once.
20990 * tree.c: Include ggc.h.
20991 (type_hash): Move declaration earlier in file.
20992 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20993 (init_obstacks): Add gc roots.
20994 (mark_type_hash): New function.
20995 * varasm.c: Include ggc.h.
20996 (mark_pool_constant): New function.
20997 (mark_varasm_state): New function.
20999 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21001 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21003 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21005 * c-decl.c (struct language_function): Renamed from struct c_function.
21007 (c_function_chain): Delete.
21008 (push_c_function_context): New arg F. Don't warn about nested
21009 functions here. Fill LANGUAGE elt of F. Delete code to update
21010 c_function_chain. Don't call push_function_context.
21011 (pop_c_function_context): New arg F. Restore from there instead of
21012 from c_function_chain. Don't call pop_function_context. Clear out
21013 LANGUAGE field of F when done.
21014 * c-lang.c: Include "function.h"
21015 (lang_init): Initialize save_lang_status and restore_lang_status.
21016 * c-parse.in (nested_function, nested_function_notype): Warn about
21017 nested functions. Call push_function_context/pop_function_context
21018 instead of the _c_ variants.
21019 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21021 * Makefile.in (c-lang.o): Update dependencies.
21023 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21024 regno_pointer_flag, regno_pointer_align.
21025 (gen_reg_rtx): Use xrealloc to enlarge them.
21026 (free_emit_status): New function.
21027 * function.c (mark_machine_status, mark_lang_status): New variables.
21028 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21029 in some bits from assign_stack_local. All callers changed to use new
21031 (assign_stack_local): Just call assign_stack_local_1.
21032 (free_after_compilation): New function.
21033 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21034 (trampoline_address): Likewise.
21035 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21036 (prepare_function_start): Explicitly clear some more variables.
21037 * function.h (struct function): New elt can_garbage_collect.
21038 (mark_machine_status, mark_lang_status): Declare variables.
21039 (free_after_compilation, free_emit_status, free_varasm_status,
21040 init_varasm_status): Declare functions.
21041 * toplev.c (rest_of_compilation): Call free_after_compilation when
21042 done with the current function.
21043 * varasm.c (free_varasm_status): New function.
21045 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21047 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21048 (EXPAND_BUILTIN_VA_ARG): Define.
21049 * sparc.c (sparc_va_start): New.
21050 (sparc_va_arg): New.
21052 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21054 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21056 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21058 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21060 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21062 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21063 (OBJS): Add $(GGC).
21064 (ggc-callbacks.o): New target.
21065 * ggc-callbacks.c: New file.
21067 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21069 * expr.h: Collapse individual optab and libfunc vars to arrays.
21070 (optab_index, libfunc_index): New enumerations.
21071 (optab_table, libfunc_table): New arrays.
21072 Add accessor macros for both.
21074 * optabs.c (optab_table, libfunc_table): New.
21075 Delete declarations for individual optab and libfunc vars.
21077 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21079 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21081 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21083 * Makefile.in (GGC, GGC_LIB): New.
21084 (HOST_RTL): Include ggc-none.o.
21085 (ggc-simple.o): New target.
21086 (ggc-none.o): Likewise.
21087 * tree.h (tree_common): Add gc_mark.
21088 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21089 (struct rtvec_def): Add gc_mark.
21090 * emit-rtl.c (global_rtl): Update static initializers to contain
21091 enough initializers.
21092 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21093 * toplev.c (gc_time): New variable.
21094 (all_time): New variable.
21095 (compile_file): Print gc time.
21096 (print_time): Calculate percentage of the whole.
21098 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21100 Change obstack memory management and varasm constant pool handling so
21101 that nested functions are treated like any other functions.
21102 * function.c (init_machine_status): New variable.
21103 (push_function_context_to): Set contains_functions for the outer
21104 function. Don't call save_varasm_status.
21105 (pop_function_context_from): Don't call restore_varasm_status. Don't
21106 set current_function_contains_functions.
21107 (prepare_function_start): Call init_varasm_status rather than
21108 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21110 * function.h (struct function) Add field varasm. Delete fields
21111 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21112 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21113 (init_machine_status): Declare.
21114 (save_varasm_status, restore_varasm_status): Delete declarations.
21115 (save_tree_status, restore_tree_status): Delete last argument.
21116 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21117 code. All callers changed.
21118 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21119 save_constants_in_decl_trees, restore_constants, save_constants,
21120 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21122 (inlining): New variable.
21123 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21124 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21126 (save_for_inline_nocopy): Don't save constants.
21127 Don't set inl_emit field in current_function.
21128 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21129 function. Set new variable inlining before
21130 calling copy_rtx_and_substitute.
21131 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21132 constant pool references if inlining is nonzero.
21133 Delete ADDRESS and (most of the) CONST cases.
21134 (output_inline_function): Save and restore current_function/
21135 current_function_decl. Delete restore_constants code. Don't call
21136 init_const_rtx_hash_table.
21137 * output.h (init_const_rtx_hash_table): Don't declare.
21138 * rtl.h (struct function): Declare.
21139 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21140 * toplev.c (rest_of_compilation): Don't treat nested functions or
21141 functions containing them specially. Delete all code to deal with
21142 save_for_inline_copying.
21143 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21144 inline_obstacks): Delete variables.
21145 (save_tree_status): Lose arg CONTEXT. All callers changed.
21146 Simply allocate a new function_maybepermanent_obstack for the new
21147 function, delete all the special cases.
21148 Don't save inline_obstacks.
21149 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21150 Delete special handling for function_maybepermanent_obstack; simply
21152 Don't restore inline_obstacks.
21153 (permanent_allocation): Delete code that frees inline_obstacks.
21154 (print_inline_obstack_statistics): Delete function.
21155 (dump_tree_statistics): Don't call it.
21156 * varasm.c (struct varasm_status): New.
21157 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21158 last_pool, pool_offset, const_double_chain): Delete global
21159 variables, replace with accessor macros.
21160 (immed_double_const): Don't walk const_double_chain outside a
21161 function, but don't treat nested functions specially anymore.
21162 (immed_real_const_1): Likewise.
21163 (clear_const_double_mem): Don't treat nested functions specially.
21164 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21165 (save_varasm_status, restore_varasm_status): Delete functions.
21166 (init_varasm_status): New function.
21167 (force_const_mem): Don't treat nested functions specially.
21168 (find_pool_constant): Accept new arg F, search for constants in
21169 that function's pool rather than the current one. All callers
21171 (get_pool_constant_for_function, get_pool_mode_for_function): New
21174 * i386.c (init_386_machine_status): New function, mostly from
21175 clear_386_stack_locals.
21176 (struct machine_functions): Rename element names to avoid name
21178 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21179 macros, replacing global variables.
21180 (clear_386_stack_locals, save_386_machine_status,
21181 restore_386_machine_status): Delete functions.
21182 (override_options): Initialize init_machine_status.
21183 * i386.h (INIT_EXPANDERS): Delete macro.
21184 (save_386_machine_status, restore_386_machine_status,
21185 clear_386_stack_locals): Delete declarations.
21187 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21189 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21190 (doloop_begin): Simplify pattern and use emit_jump_insn.
21191 (doloop_end): Simplify pattern, switch operand order,
21192 and use emit_jump_insn.
21194 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21196 * function.h (struct function): Add new element LANGUAGE.
21197 (save_lang_status): Declare new variable.
21198 (restore_lang_status): Likewise.
21199 * function.c (save_lang_status): Define.
21200 (restore_lang_status): Likewise.
21201 (push_function_context_to): Call language-specific save function.
21202 (pop_function_context_from): Call language-specific restore function.
21204 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21206 * i386.md (movsf_1): Check REG_P before use of REGNO.
21207 (movdf_1): Likewise.
21208 (movxf_1): Likewise.
21209 (extendsfdf2): Likewise.
21210 (extendsfxf2): Likewise.
21211 (extenddfxf2): Likewise.
21213 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21215 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21216 constants into memory.
21217 (c4x_shiftable_constant): New function.
21218 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21219 (c4x_shiftable_constant): Declare.
21220 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21221 ashlqi3_noclobber): Add new patterns and associated splitters.
21223 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21225 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21226 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21227 * final.c (shorten_branches): Likewise.
21228 * global.c (global_alloc): Likewise.
21229 * haifa-sched.c (build_control_flow): Likewise.
21230 * stmt.c (check_for_full_enumeration_handling): Likewise.
21231 (estimate_case_costs): Likewise.
21233 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21235 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21237 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21239 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21240 (recompute_reg_usage): Likewise.
21241 * rtlanal.c (find_regno_fusage): Likewise.
21243 * rtl.c (rtl_check_failed_code1): New function.
21244 (rtl_check_failed_code2): New.
21245 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21246 (RTL_CHECKC1, RTL_CHECKC2): New.
21247 (XC*): New accessor macros.
21248 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21249 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21250 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21251 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21252 (TRAP_*, RANGE_INFO_*): Likewise.
21254 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21256 * Makefile.in (tlink.o): Don't depend on toplev.h.
21258 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21259 output_file, nm_file_name, ldd_file_name, strip_file_name,
21260 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21261 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21262 fork_execute, maybe_unlink, add_to_list,
21263 extract_init_priority, write_list, dump_list,
21264 dump_prefix_list, write_list_with_asm, write_c_file,
21265 write_c_file_stat, write_c_file_glob, scan_prog_file,
21266 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21267 ignore_library, extract_string, notice, dump_file, target_machine,
21268 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21269 read_file, print_load_command): Constify a char*.
21270 (fdopen, error, fatal, fatal_perror): Don't prototype.
21271 (my_strerror): Remove. All callers use xstrerror instead.
21272 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21273 (main): Add prototype. Constify lots of char* ptrs. Change calls
21274 to xcalloc/strcpy/strcat/... to one call to concat.
21275 (main, scan_prog_file, scan_libraries): Use an intermediate
21276 `const char **' to build an argv array.
21277 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21279 * collect2.h (collect_execute, collect_wait, dump_file,
21280 file_exists): Constify a char*.
21281 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21282 temporary_firstobj, vflag, debug): Add extern declarations.
21283 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21285 * tlink.c: Don't include toplev.h.
21286 (vflag, debug, ldout, c_file_name, temporary_obstack,
21287 permanent_obstack, temporary_firstobj): Don't declare.
21288 (tlink_execute, frob_extension, symbol_hash_lookup,
21289 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21290 recompile_files, read_repo_files, demangle_new_symbols,
21291 scan_linker_output): Constify a char*.
21292 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21293 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21295 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21297 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21298 (relative) rather than jsr (absolute) subroutine call insns.
21299 * config/m68k/m68k-coff.h: Ditto.
21301 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21303 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21304 now rework these too.
21305 (arm_reorg): If an insn can't reach the end of the current pool,
21306 ensure that we emit that pool before the insn.
21308 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21310 * tlink.c (scan_linker_output): Skip the initial underscore in
21311 a mangled name if appropriate.
21313 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21315 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21316 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21317 error_with_ivar, gen_declarator, create_builtin_decl,
21318 my_build_string, generate_descriptor_table, generate_ivars_list,
21319 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21320 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21321 dump_base_name, lang_decode_option, build_encode_expr,
21322 start_class, finish_class, encode_pointer, really_start_method,
21323 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21325 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21326 Add static prototypes.
21327 (build_objc_string_decl, build_selector_reference_decl,
21328 encode_bitfield, build_class_reference_decl): Remove unused
21329 parameter, all callers changed.
21330 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21331 (objc_printable_name): Likewise. Change second parameter to type int.
21332 (init_objc): Use memcpy, not bcopy, to avoid casts.
21334 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21336 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21337 reg notes on a deleted insn.
21338 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21340 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21342 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21344 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21346 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21349 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21351 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21352 * tm.texi (MD_ASM_CLOBBERS): Document it.
21354 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21356 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21357 * except.c (expand_rethrow): Remove unused variable.
21358 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21359 * flow.c (replace_insns): Likewise.
21360 (create_edge_list, verify_edge_list): Likewise.
21361 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21363 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21364 is special code to run.
21365 (main): Don't define operands to emit_operand.
21366 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21368 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21370 * alpha/alpha.h (normal_memory_operand): Declare.
21371 (reg_no_subreg_operand): Declare.
21372 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21374 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21376 * c-parse.in (compstmt_primary_start): New, broken out of first
21377 part of compstmt handling in primary.
21378 (primary): Use it. Add an error clause.
21379 (compstmt_nostart): Renamed from compstmt; remove all
21380 initial invocations of compstmt_start.
21383 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21385 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21388 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21390 * combine.c (simplify_shift_const): Remove extra semicolon.
21391 * dwarf2out.c (remove_AT): Likewise.
21392 * expmed.c (expand_mult): Likewise.
21393 * gcov.c (create_program_flow_graph): Likewise.
21394 * reorg.c (mostly_true_jump): Likewise.
21396 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21398 * fold-const.c (fold_range_test): Do not try to fold the range
21399 test if the rhs or lhs has side effects.
21401 * combine.c (simplify_rtx): Recognize another case of a synthesized
21404 * varasm.c (mark_constant_pool): When marking indirect references,
21405 only look at SYMBOL_REFs.
21407 * except.c (expand_fixup_region_end): Do not peek at
21408 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21410 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21412 * flags.h: New variables align_loops, align_loops_log,
21413 align_jumps, align_jumps_log, align_labels, align_labels_log,
21414 align_functions, align_functions_log.
21415 * toplev.c: Define them.
21416 (f_options): Handle -falign-* when they have no argument.
21417 (main): Add logic to set variables for -falign-functions,
21418 -falign-jumps, -falign-labels, -falign-loops.
21419 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21420 (display_help): Change help to match options.
21421 * final.c (LABEL_ALIGN): Default to align_labels_log.
21422 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21423 (LOOP_ALIGN): Default to align_loops_log.
21424 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21425 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21426 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21427 * varasm.c (assemble_start_function): Handle align_functions.
21429 * config/sparc/sparc.h: Don't declare sparc_align_*.
21430 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21431 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21433 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21435 * config/sparc/sparc.c: Delete sparc_align_loops,
21436 sparc_align_jumps, sparc_align_funcs and the corresponding string
21438 (sparc_override_options): Default align_functions on ultrasparc.
21439 Delete -malign-* handling.
21441 * config/mips/mips.c (override_options): On 64-bit targets,
21442 try to align code to 64-bit boundaries.
21443 (print_operand): New substitution, %~,
21444 which aligns labels to align_labels_log.
21445 * config/mips/mips.md (div_trap_normal): Use %~.
21446 (div_trap_mips16): Likewise.
21448 (absdi2): Likewise.
21449 (ffssi2): Likewise.
21450 (ffsdi2): Likewise.
21451 (ashldi3_internal): Likewise.
21452 (ashrdi3_internal): Likewise.
21453 (lshrdi3_internal): Likewise.
21454 (casesi_internal): Likewise.
21456 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21458 Merge new ia32 backend from the branch!
21460 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21461 See ChangeLog.P2 on new_ia32_branch for details.
21463 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21464 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21465 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21466 * i386/gas.h (ASM_FILE_START): Define.
21467 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21468 for name change of ix86_valid_decl_attribute_p.
21469 (i386_pe_valid_type_attribute_p): Similarly.
21471 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21473 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21474 to step through CC modes.
21476 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21478 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21479 it would end up in the shadow of a live flags regsiter.
21481 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21483 * reload1.c: Fix many indentation problems.
21484 * reload.c: Likewise.
21486 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21488 * alias.c (non_local_reference_p): Constify fmt.
21490 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21492 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21494 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21496 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21497 the internal_arg_pointer.
21499 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21501 Merge peephole2 from new_ia32_branch:
21502 * Makefile.in (STAGESTUFF): Add *.peephole2.
21503 (mostlyclean): Likewise.
21504 (recog.o): Depend on resource.h.
21506 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21507 (final_scan_insn): Likewise for the invocation of peephole.
21508 * genconfig.c (main): Look for peephole and peephole2 patterns.
21509 Emit HAVE_peephole* accordingly.
21510 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21511 * flags.h (flag_peephole2): Declare.
21512 * toplev.c: New pass peephole2. New flag -fpeephole2.
21514 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21515 * gencodes.c (main): Likewise.
21516 * genextract.c (main): Likewise.
21517 * genoutput.c (main): Likewise.
21518 * genemit.c (max_operand_1): Look for the max scratch operand.
21519 (gen_rtx_scratch): New.
21520 (gen_exp): Use it, and pass on new arg subroutine_type.
21521 (gen_expand): Take max scratch into account.
21522 (gen_split): Emit peephole2 functions.
21523 (output_peephole2_scratch): New.
21524 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21525 * genrecog.c (routine_type): Add PEEPHOLE2.
21527 (make_insn_sequence): Match outer parallel for peep2. Discard
21528 top level scratches and dups.
21529 (add_to_sequence): New args insn_type and top. Update all callers.
21530 Handle toplevel peep2 matching insns.
21531 (write_subroutine): Handle peep2.
21532 (write_tree_1): Likewise.
21533 (write_tree): Likewise.
21535 (change_state): New arg afterward. Update all callers.
21536 Handle matching separate insns.
21537 * recog.c (recog_next_insn): New.
21538 (peephole2_optimize): New.
21539 * rtl.def (DEFINE_PEEPHOLE2): New.
21540 * resource.c (find_free_register): New argument last_insn. Use it
21541 to find a register available through the entire span.
21542 * resource.h (find_free_register): Update prototype.
21544 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21546 * i386.c (output_strlen_unroll): Don't write xops[7]
21547 label if it wasn't set.
21549 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21551 * cpplib.c (struct directive): Const-ify name pointer and
21552 function pointer prototype.
21553 (validate_else, do_define, do_line, do_include, do_undef,
21554 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21555 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21556 do_warning): Const-ify second arg.
21557 (directive_table): Mark const. Reorder entries by frequency
21558 of usage, record statistics.
21560 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21562 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21563 bounds- check RTL accesses if --enable-checking.
21564 (RTVEC_ELT): Bounds check if --enable-checking.
21565 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21566 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21567 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21569 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21570 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21572 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21573 (NOTE_SOURCE_FILE): Use X0STR.
21574 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21575 MEM_ALIAS_SET): Use X0INT.
21576 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21577 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21579 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21580 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21581 (rtl_check_failed_bounds, rtl_check_failed_type1,
21582 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21584 (fancy_abort): Fix comment.
21586 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21587 (cse_insn): Decrement LABEL_NUSES for jump target before
21588 deleting jump insn.
21589 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21590 * final.c (alter_subreg): Compute regno before changing x to
21591 REG; set REGNO(x) after changing it.
21592 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21593 notes containing CONST_INTs.
21594 (delete_eh_regions): Use NOTE_EH_HANDLER.
21595 * function.c (put_reg_into_stack): Make reg a MEM before
21597 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21599 (gen_mem_addressof): Make reg a MEM before initializing it.
21600 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21602 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21603 deleting an insn, not after.
21604 (block_alloc): Only look at PATTERN(insn) if we have to, and
21605 only if it's format class 'i'.
21606 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21607 CONST_INT before using its INTVAL.
21608 * print-rtl.c (print_rtx): Use X0STR.
21609 * regmove.c (fixup_match_1): Don't look at PATTERN of
21610 non-class-'i' insn chain elements.
21611 * reload.c (loc_mentioned_in_p): Take address of
21612 in->fld[1].rtx directly.
21613 * reload1.c (reload): Change reg to a MEM before initializing
21615 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21617 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21619 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21621 * config/mips/mips.c (machine_dependent_reorg): Force a
21622 barrier to output the local constant pool if a barrier hasn't
21623 been found at a natural point in the instruction stream.
21625 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21627 * c-parse.in (language_string): Constify.
21629 * dwarf2out.c (language_string): Remove declaration.
21631 * dwarfout.c (language_string): Likewise.
21633 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21635 * tree.h (language_string, init_parse, finish_parse): Declare.
21637 * i386/sun386.h (language_string): Remove declaration.
21639 * mips.h (language_string): Likewise.
21641 * nextstep.h (language_string): Likewise.
21643 * nextstep21.h (language_string): Likewise.
21645 * rs6000.c (language_string): Likewise.
21647 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21649 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21650 (getpwd.o): Remove target.
21652 * getpwd.c: Delete file. Its in libiberty now.
21654 * dbxout.c (getpwd): Don't prototype.
21655 * dwarf2out.c (getpwd): Likewise
21656 * dwarfout.c (getpwd): Likewise
21657 * final.c (getpwd): Likewise.
21658 * protoize.c (getpwd): Likewise.
21660 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21662 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21664 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21666 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21667 mark_set_resources.
21669 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21671 * fixinc/Makefile.in (subdir): New.
21672 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21675 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21677 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21678 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21681 * invoke.texi: Fix typo.
21683 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21684 changed. Handle autoincrement addressing modes.
21686 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21687 just like we would the virtual incoming args register when
21690 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21692 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21693 path, in .file directive.
21695 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21697 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21700 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21702 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21705 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21707 * tree.c (tree_code_name): Constify a char*.
21709 * tree.h (tree_code_name, decl_printable_name): Likewise.
21711 * function.h (struct function): Likewise.
21713 * toplev.c (decl_name, decl_printable_name): Likewise.
21715 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21717 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21718 (init_objc): Remove function pointer cast.
21720 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21722 * pa.md (interspace_jump): New pattern.
21723 (builtin_longjmp): New expander.
21725 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21727 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21728 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21729 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21731 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21733 * jump.c (delete_prior_computation): Also check calls
21734 to constant functions. Don't bother checking for a
21735 REG_UNUSED note before adding it.
21736 (delete_computation): Handle multi-word hard registers
21737 when synthesizing missing REG_DEAD notes for a register
21738 which is both set and used by an insn.
21740 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21742 * loop.c (this_loop_info): New variable.
21743 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21744 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21746 (prescan_loop, strength_reduce): New argument loop_info. All callers
21748 (scan_loop): New variable loop_info, initialise to address of
21750 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21751 Delete variable loop_has_multiple_exit targets and replace with
21752 field in this_loop_info.
21753 (find_and_verify_loops): Rename this_loop to this_loop_num.
21754 (strength_reduce): Delete loop_iteration_info. Replace variable
21755 loop_info with function argument of same name.
21756 (insert_bct): Rework test for loop being completely unrolled.
21758 * loop.h (struct loop_info): New fields num, loops_enclosed,
21759 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21760 has_indirect_jump, and cont. Redefine use of unroll_number.
21761 (loop_unroll_number): Delete.
21763 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21764 field of loop_info.
21765 (loop_iterations): Delete variable vtop and instead use
21766 loop_info->vtop computed in prescan_loop.
21768 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21770 * fix-header.c (main): Do not pass a null pointer to strcmp.
21772 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21774 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21776 * configure: Rebuilt.
21778 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21780 * jump.c (jump_optimize_1): Do not delete assignments to
21781 internal_arg_pointer.
21782 * cse.c (delete_trivially_dead_insns): Always consider a set of
21783 the internal_arg_pointer live.
21785 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21787 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21788 (update_life_info) [REG_WAS_0]: Search the original insns rather
21789 than the new insns for the note. Fix typos finding note_dest.
21790 If no dest found, discard the note rather than abort.
21791 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21792 (replace_insns): Remove the old insn list after update_life_info
21795 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21797 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21798 sched_analyze_insn.
21799 (sched_analyze_1): Let add_dependence care for not adding dups.
21800 (sched_analyze_2): Likewise.
21801 (add_branch_dependences): Likewise.
21803 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21805 * i386/winnt.c (export_list): New type.
21806 (exports_head): Rename to
21807 (export_head): this.
21808 (i386_pe_record_exported_symbol): Add is_data flag.
21809 (i386_pe_asm_file_end): Emit directive for exported variables.
21810 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21812 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21813 (ASM_DECLARE_OBJECT_NAME): Likewise.
21814 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21815 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21817 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21819 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21821 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21824 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21826 * config/openbsd.h: Define SET_ASM_OP.
21827 * tm.texi: cross-reference SET_ASM_OP in the index.
21829 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21831 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21832 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21833 and class_narrowest_mode at compile time. Kill init_rtl.
21834 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21835 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21836 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21838 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21840 * rtl.h: Declare rtx_length and rtx_format as const.
21841 * machmode.def: Define CC(). Use CC() to define CCmode. If
21842 EXTRA_CC_MODES is defined, expand it here.
21843 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21844 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21845 const. Kill all references to EXTRA_CC_MODES.
21847 * toplev.c: Don't prototype or call init_rtl.
21848 * optabs.c: Don't call init_mov_optab.
21849 * genemit.c: Don't generate init_mov_optab. Don't call
21851 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21853 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21854 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21855 genrecog.c: Don't call init_rtl.
21857 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21858 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21859 definition of EXTRA_CC_MODES.
21861 * md.texi: Kill ref to EXTRA_CC_NAMES.
21862 * tm.texi: Document new way to define EXTRA_CC_MODES.
21864 * genrecog.c: Do not look up the name of a define_split.
21865 (Unrelated bugfix.)
21867 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21869 * config/v850/v850.md: Fix typo introduced by previous delta.
21871 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21873 * gcc.c (fatal): Make definition static to match prototype.
21875 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21877 * combine.c (get_last_value): Don't look for earlier sets if the last
21878 known set is somewhere in between the insns being combined.
21880 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21882 * configure.in: Don't use shell ! to negate exit codes
21883 * configure: Regenerate
21885 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21887 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21888 the fact that ALIGN is measured in bits, not bytes.
21890 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21892 * errors.c: New file; defines functions error, warning, and
21893 fatal, variables have_error and progname.
21894 * errors.h: New file; prototypes and decls for stuff in errors.c.
21896 * Makefile: Add rules to build errors.o and
21897 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21898 genopinit, genrecog, genextract, genpeep, genattr, and
21899 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21900 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21901 genpeep.o, genattr.o, and genoutput.o.
21903 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21904 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21905 define or prototype fatal. Set progname at beginning of main.
21906 * genoutput.c: Likewise, and don't define or prototype error
21909 * c-typeck.c (c_expand_start_case): Return immediately if exp
21911 * fold-const.c (operand_equal_p): Return immediately if arg1
21912 or arg0 are ERROR_MARKs.
21913 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21914 fields of type ERROR_MARK when calculating if the record can
21917 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21918 with much help from Jeffrey A Law and Richard Henderson
21920 * i386.md: In the 6 insns which call output_fix_trunc,
21921 earlyclobber operands[0].
21923 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21925 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21926 creating new registers.
21928 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21930 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21931 i386_reg_alloc_order, i386_regparm_string,
21932 i386_align_loops_string, i386_align_jumps_string,
21933 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21934 and i386_branch_cost_string as type "const char *".
21935 * i386.c: Define all above strings as type "const char *".
21937 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21939 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21940 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21942 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21944 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21945 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21947 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21949 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21950 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21951 (dwarf2out_line, dwarf2out_finish): Likewise.
21952 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21954 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21956 * tree.c (lang_unsave_expr_now) : Correct return type.
21957 * tree.h (lang_unsave_expr_now) : Same.
21959 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21961 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21962 instead of duplicating code.
21964 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21966 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21968 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21970 * tree.h: fancy_abort always takes three args.
21971 * resource.c: Move include of system.h before toplev.h.
21973 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21975 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21978 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21980 * system.h: Don't redefine abort or trim_filename.
21981 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21982 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21983 whether or not __FUNCTION__ is available.
21984 * tree.h: Duplicate rtl.h's definition of abort, for files
21985 that don't include rtl.h. Delete all code to perform type
21986 checking with a compiler other than GCC.
21987 * varray.h: Delete all code to perform type checking with a
21988 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21989 its arguments exactly once, using a statement expression.
21990 Adjust the VARRAY_<type> accessor macros to match.
21991 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21992 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21993 caller's location. Define fatal_insn and fatal_insn_not_found
21994 as macros that use _fatal_insn and _fatal_insn_not_found.
21995 (fancy_abort, trim_filename): Kill prototypes.
21997 * rtl.c (trim_filename): Move here from toplev.c.
21998 (fancy_abort): New function.
21999 (DIR_SEPARATOR): Provide default definition.
22000 * tree.c (tree_check_failed, tree_class_check_failed): Go
22001 through fancy_abort.
22002 (tree_check, tree_class_check, cst_or_constructor_check,
22003 expr_check): Delete.
22004 * varray.c (varray_check_failed): New function.
22005 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22006 _fatal_insn and _fatal_insn_not_found. Go through
22008 (trim_filename, fancy_abort): Delete.
22010 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22011 * except.c (start_catch_handler): Report ICE with error/abort
22013 * final.c (output_operand_lossage): Likewise.
22014 * flow.c (verify_flow_info): Likewise.
22016 * gcc.c: Prototype fatal.
22017 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22018 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22019 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22020 Don't define fancy_abort.
22022 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22024 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22027 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22029 * m88k.h (VERSION_INFO2): Kill.
22030 (VERSION_STRING): Kill.
22032 (VERSION_INFO1): Tidy.
22033 (TARGET_VERSION): Update.
22034 * m88k/dgux.h (VERSION_INFO2): Kill.
22035 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22036 * m88k/luna.h (VERSION_INFO1): Tidy.
22037 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22038 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22039 (output_file_start): Adjust for death of VERSION_STRING.
22041 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22043 * cpplib.c (detect_if_not_defined): New function.
22044 (do_if): Use it to detect potential once-only headers.
22046 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22048 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22050 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22052 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22053 anywere in the function only if they are pseudos and set before
22054 being used (not live at the start of the function).
22055 (num_sign_bit_copies) : Same.
22056 (get_last_value_validate) : Same.
22057 (get_last_value) : Same.
22059 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22061 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22062 where N and M are constant and N is an integer multiple of M.
22064 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22066 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22067 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22068 sbitmap_union_of_preds): Add prototypes.
22069 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22070 the intersection of successors with the new flow graph structures.
22071 (sbitmap_intersection_of_preds): New function to compute the
22072 intersection of predecessors with the new flow graph structures.
22073 (sbitmap_union_of_succs): New function to compute the union of
22074 successors with the new flow graph structures.
22075 (sbitmap_union_of_preds): New function to compute the union of
22076 predecessors with the new flow graph structures.
22077 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22078 (expr_reaches_here_p): Use edge and basic_block structures instead
22079 of s_preds and s_succs.
22080 (compute_cprop_avinout): Use new sbitmap routines.
22081 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22082 of s_preds and s_succs.
22083 * flow.c (compute_flow_dominators): Compute dominators using
22084 edges and basic blocks instead of s_preds and s_succs.
22086 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22088 * lists.c (unused_insn_list, unused_expr_list): New file for
22089 maintaining various types of lists. New statics for maintaining a
22090 cache of available INSN_LIST and EXPR_LIST nodes.
22091 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22092 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22093 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22094 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22095 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22096 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22097 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22098 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22099 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22100 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22101 (remove_dependence, free_pending_lists): Use new global routines.
22102 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22103 (sched_analyze, compute_block_backward_dependences): Use new routines.
22104 (sched_analyze_1, sched_analyze_2): Use new routines.
22105 (schedule_insns): Use new global routines.
22106 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22108 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22109 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22111 * toplev.c (rest_of_compilation): Initialize node cache.
22112 * Makefile.in (OBJS): Add lists.o to list of object files.
22113 (lists.o): Add dependancies.
22115 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22117 * config/v850/v850.md: Fix compile time warning messages.
22118 * config/v850/v850.c: Fix compile time warning messages.
22119 * config/v850/v850.h: Fix compile time warning messages.
22121 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22123 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22124 Remove unused prototype for `init_lengths'.
22126 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22128 * calls.c (emit_call_1): Mark parameter `stack_size' with
22130 (expand_call): Initialize variable `insn'.
22131 (emit_library_call): Likewise for variable `high_to_save'.
22132 (emit_library_call_value): Likewise.
22133 (store_one_arg): Likewise for variables `lower_bound' and
22136 * combine.c (try_combine): Likewise for variables `i2_code_number'
22137 and `other_code_number'.
22138 (find_split_point): Likewise for variables `pos', `unsignedp' and
22140 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22141 (simplify_and_const_int): Remove unused variable `width'.
22142 (merge_outer_ops): Likewise.
22144 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22145 HOST_WIDE_INT' when comparing against one.
22146 (simplify_relational_operation): Likewise.
22147 (cse_insn): Initialize variables `src_eqv_volatile',
22148 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22150 * final.c (init_final): Constify parameter `filename'.
22151 (final_start_function): Mark parameter `optimize' with
22153 (profile_function): Likewise for parameters `first' and `optimize'.
22154 (output_source_line): Likewise for parameter `file'.
22156 * integrate.c (subst_constants): Cast a value to `size_t' when
22157 comparing against one.
22158 (mark_stores): Initialize variable `mode'. Cast a value to
22159 `size_t' when comparing against one.
22161 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22163 * loop.c (move_movables): Initialize variable `first'.
22164 (strength_reduce): Likewise for variable `increment'.
22165 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22166 value to `size_t' when comparing against one.
22167 (load_mems): Initialize variable `end_label'.
22169 * output.h (init_final): Constify parameter.
22171 * reload.c (decompose): Initialize variable `base'.
22173 * reload1.c (reload): Likewise for variable `is_scalar'.
22174 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22175 (choose_reload_regs): Initialize variable `mode'.
22176 (emit_reload_insns): Likewise for variable `store_insn'.
22177 (reload_cse_noop_set_p): Mark parameter `insn' with
22179 (reload_combine): Initialize variable `set'.
22181 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22182 (copy_loop_body): Cast a value to `size_t' when comparing against
22185 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22186 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22187 (remove_from_pending_weak_list): Mark parameter `name' with
22190 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22192 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22195 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22197 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22198 (ASM_DECLARE_FUNCTION_NAME): Define.
22199 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22200 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22201 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22202 not already defined.
22204 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22206 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22207 of n_popped when call/call_value are not defined.
22209 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22211 * tm.texi: GNU CC -> GCC conversion.
22212 (CC1_SPEC): Indicate it is used for all language front ends.
22214 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22216 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22217 NOTE_INSN_EH_REGION_END correctly.
22219 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22220 Jeff Law <law@cygnus.com>
22222 * loop.c (strength_reduce): Automatically unroll loops if the
22223 unrolled loop size is smaller than the rolled loop size.
22225 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22226 and delete comment that code should be rewritten.
22228 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22230 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22233 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22235 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22237 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22238 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22239 (LINK_SPEC): Add -u _main when building executables.
22240 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22241 (ASM_FILE_END): Use the default for ix86-pe.
22242 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22244 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22246 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22247 and ASM_CLOSE_PAREN are empty strings.
22249 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22250 Geoffrey Keating <geoffk@cygnus.com>
22252 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22253 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22254 (unprotoize.o): Ditto.
22255 (test-protoize-simple): Don't define STD_PROTO_DIR.
22256 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22257 changes to make 'test-protoize-simple' pass.
22258 (STD_PROTO_DIR): Remove define.
22259 (STANDARD_EXEC_PREFIX): Supply default define.
22260 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22261 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22262 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22263 (GET_ENV_PATH_LIST): New macro.
22264 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22265 (do_processing): Initialize default_syscalls_dir using new
22266 macros. Use it to initialize syscalls_absolute_filename.
22268 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22270 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22271 B into a register before emit_conditional_move.
22273 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22275 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22276 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22277 multiplicand out of (+ (* a b) (* c d)).
22279 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22280 Richard Henderson <rth@cygnus.com>
22282 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22283 (new_insn_dead_notes): Likewise.
22284 (update_n_sets): Likewise.
22285 (update_flow_info): Move to flow.c, renamed to update_life_info;
22286 extend to handle multiple source insns.
22287 * flow.c: Include resource.h
22288 (unlink_insn_chain): New.
22289 (split_hard_reg_notes): New.
22290 (maybe_add_dead_note): New.
22291 (maybe_add_dead_note_use): New.
22292 (find_insn_with_note): New.
22293 (new_insn_dead_notes): New.
22294 (update_n_sets): New.
22295 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22296 (maybe_remove_dead_notes): New.
22297 (update_life_info): New.
22298 (prepend_reg_notes): New.
22299 (replace_insns): New.
22300 * output.h (update_life_info): Declare.
22301 * recog.c (split_block_insns): Use update_life_info.
22302 * resource.c (find_free_register): Use reg_alloc_order, don't use
22303 fixed regs, make sure the mode is supported, don't use new regs.
22305 * rtl.h (replace_insns): Declare.
22307 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22309 * expr.c (expand_expr): Cope with COND_EXPRs with one
22310 non-returning branch.
22312 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22314 * expr.c (store_expr): Always pass down the target, even when not
22317 1999-08-24 Nick Clifton <nickc@cygnus.com>
22319 * configure.in: Define target_cpu_default for v850 targets.
22320 * configure: Regenerate
22322 * config/v850/v850.h (TARGET_CPU_generic): Define.
22323 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22324 addresses are 4 byte aligned.
22326 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22329 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22331 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22332 (main): Add prototypes.
22334 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22335 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22336 (write_attr_get): Emit prototypes along with function definition.
22337 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22338 (write_complex_function): Emit static prototype along with
22339 function definition.
22341 * genemit.c (gen_split): Emit prototypes along with function
22344 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22345 Likewise for predicates and `insn_operand_predicate'.
22346 (process_template): Emit static prototype along with function
22349 * genrecog.c (make_insn_sequence): Constify a char*. Add
22350 prototypes for get_split_*().
22351 (write_subroutine): Emit prototypes along with function
22354 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22356 * gcse.c (find_avail_set): Follow chains of register-register copies.
22357 Use oprs_not_set_p to guarantee that the returned value can be
22359 (cprop_insn): Don't verify the return value of find_avail_set with
22362 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22363 (cprop_cc0_jump): New function.
22364 (cprop_insn): Break out new function cprop_jump and use it.
22365 Also use cprop_cc0_jump for machines with CC0.
22366 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22368 * tree.h (current_function_calls_setjmp,
22369 current_function_calls_longjmp): Delete declarations.
22370 * dsp16xx.c: Include "function.h".
22371 * elxsi.c: Likewise.
22372 * gmicro.c: Likewise.
22373 * h8300.c: Likewise.
22374 * i370.c: Likewise.
22375 * m32r.c: Likewise.
22376 * mn10200.c: Likewise.
22377 * mn10300.c: Likewise.
22378 * ns32k.c: Likewise.
22379 * spur.c: Likewise.
22380 * v850.c: Likewise.
22382 * rtl.h (rtx_equal_function_value_matters): Declare.
22383 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22385 * function.c: Likewise.
22386 * emit-rtl.c: Likewise.
22388 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22390 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22393 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22395 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22398 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22400 * cpp.texi: Add a node documenting macro varargs (copied
22403 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22405 * cppspec.c: Put a null pointer at the end of the new argv.
22407 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22409 * configure.in: Remove code to select/de-select the haifa
22410 scheduler. Every scheduled port gets haifa now.
22411 * configure: Rebuilt.
22412 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22414 * Makefile.in: Corresponding changes.
22416 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22418 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22419 All callers changed.
22420 (prepare_float_lib_cmp): Likewise.
22421 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22422 * expr.h (emit_float_lib_cmp): Delete declaration.
22423 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22424 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22425 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22427 (cmptf): Now conditional on TARGET_HARD_QUAD.
22429 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22431 * resource.c (mark_target_live_regs): Use
22432 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22434 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22436 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22438 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22440 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22442 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22444 * rtl.h (rtx_format): Constify a char*.
22446 * rtl.c (rtx_format): Likewise.
22447 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22448 (init_rtl): Use accessor macro, not `rtx_format'.
22450 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22453 * caller-save.c (mark_referenced_regs): Likewise.
22455 * combine.c (subst, make_compound_operation, known_cond,
22456 gen_rtx_combine, update_table_tick, get_last_value_validate,
22457 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22459 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22460 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22461 count_reg_usage): Likewise.
22463 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22466 * final.c (leaf_renumber_regs_insn): Likewise.
22468 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22469 dump_edge_info, count_reg_references): Likewise.
22471 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22472 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22475 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22476 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22477 add_label_notes): Likewise.
22479 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22480 clear_struct_flag, count_sub_rtxs, count_alternatives,
22481 compares_alternatives_p, contained_in_p, walk_attr_value,
22482 write_expr_attr_cache): Likewise.
22484 * genconfig.c (walk_insn_part): Likewise.
22486 * genemit.c (max_operand_1, gen_exp): Likewise.
22488 * genextract.c (walk_rtx): Likewise.
22490 * genflags.c (num_operands): Likewise.
22492 * genoutput.c (scan_operands): Likewise.
22494 * genpeep.c (match_rtx): Likewise.
22496 * genrecog.c (add_to_sequence): Likewise.
22498 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22501 * integrate.c (save_constants, copy_for_inline,
22502 copy_rtx_and_substitute, subst_constants, restore_constants):
22505 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22506 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22508 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22511 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22512 add_label_notes, replace_call_address, count_nonfixed_reads,
22513 invariant_p, find_single_use_in_loop, find_mem_givs,
22514 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22517 * print-rtl.c (reg_names, print_rtx): Likewise.
22519 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22521 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22522 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22523 print_blocks): Likewise.
22525 * regclass.c (fix_register, record_address_regs,
22526 reg_scan_mark_refs): Likewise.
22528 * regmove.c (stable_but_for_p): Likewise.
22530 * reload.c (loc_mentioned_in_p, operands_match_p,
22531 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22532 copy_replacements, refers_to_regno_for_reload_p,
22533 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22534 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22537 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22538 delete_address_reloads_1, count_occurrences,
22539 reload_cse_mem_conflict_p, reload_combine_note_use,
22540 add_auto_inc_notes): Likewise.
22542 * resource.c (mark_referenced_resources, mark_set_resources):
22545 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22546 reg_mentioned_p, regs_set_between_p, modified_between_p,
22547 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22548 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22549 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22550 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22552 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22554 * stupid.c (stupid_mark_refs): Likewise.
22556 * unroll.c (remap_split_bivs): Likewise.
22558 * varasm.c (mark_constants): Likewise.
22560 * a29k/a29k.c (uses_local_reg_p): Likewise.
22562 * alpha/alpha.c (summarize_insn): Likewise.
22564 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22565 eliminate_lr2ip): Likewise.
22567 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22569 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22570 reg_mentioned_in_mem): Likewise.
22572 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22573 symbolic_reference_mentioned_p): Likewise.
22575 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22577 * sh/sh.c (regs_used, mark_use): Likewise.
22579 * vax/vax.c (vax_rtx_cost): Likewise.
22581 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22583 * machmode.h (mode_name): Constify a char*.
22585 * rtl.c (mode_name): Likewise.
22587 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22589 * optabs.c (init_libfuncs): Constify a char*.
22591 * print-tree.c (mode_name): Remove redundant declaration.
22592 (print_node): Use accessor macro, not `mode_name'.
22594 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22596 (new_spill_reg): Constify a char*.
22598 * tree.c (mode_name): Remove redundant declaration.
22600 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22602 * rtl.c (rtx_name): Constify a char*.
22604 * rtl.h (rtx_name, fix_sched_param): Likewise.
22606 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22607 (mypr): Use accessor macro, not `rtx_name'.
22609 * genemit.c (print_code): Constify a char*.
22611 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22613 * genpeep.c (print_code): Constify a char*.
22615 * genrecog.c (print_code): Likewise.
22617 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22618 end_bb): Add static prototype.
22619 (draw_edge): Constify a char*.
22620 (end_bb): Remove unused parameter.
22622 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22623 print_block_visualization): Constify a char*.
22625 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22627 * c-common.c (c_get_alias_set): Update comment.
22629 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22631 * linux.h (LIB_SPEC): Added.
22633 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22635 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22637 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22639 * tree.c (expr_check): Fix typo in last change.
22641 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22643 * rtl.def (NOTE): Change format to "iuu0n".
22644 (ADDR_DIFF_VEC): Change format to "eEee0".
22645 (ADDRESSOF): Change format to "eit".
22647 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22648 (RTVEC_ELT): Change to match.
22649 (XVECEXP): Use XVEC and RTVEC_ELT.
22650 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22651 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22652 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22653 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22654 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22655 (INTVAL): Use XWINT.
22656 (ADDRESSOF_DECL): Use XTREE.
22657 (SET_ADDRESSOF_DECL): Delete.
22658 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22659 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22660 ifdefed out since 2.6 at least.
22661 (gen_rtvec_vv): Delete prototype.
22663 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22665 (copy_most_rtx): Handle 't' format letter.
22666 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22667 (gen_rtvec_vv): Delete function. All callers changed to use
22668 gen_rtvec_v instead.
22669 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22670 the '0' format letter.
22672 * function.c (gen_mem_addressof): Don't use
22673 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22675 * integrate.c (copy_rtx_and_substitute): Likewise.
22676 Copy 't' slots with XTREE.
22677 (subst_constants): Treat 't' slots like '[swi]' slots.
22678 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22679 * jump.c (rtx_equal_for_thread_p): Likewise.
22680 * rtlanal.c (rtx_equal_p): Likewise.
22681 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22682 only four arguments.
22683 * gengenrtl.c (type_from_format): Provide correct types for
22687 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22688 If a recent gcc is in use (always in stage2 and beyond), use
22689 statement expressions, so we don't make a function call unless
22690 the check fails. Evaluate arguments exactly once.
22691 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22692 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22694 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22695 they evaluate their arguments exactly once, irrespective of
22696 the compiler in use.
22698 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22699 is used by the currently-enabled check macros. This is:
22700 (tree_check_failed, tree_class_check_failed): For gcc.
22701 (tree_check, tree_class_check, cst_or_constructor_check,
22702 expr_check): For other compilers.
22704 * gencheck.c: Do not define any *_CHECK1 macros.
22706 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22707 Mark Mitchell <mark@codesourcery.com>
22709 * c-common.c (c_get_alias_set): Fix support for poitners and
22712 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22714 * alias.c: Include tree.h.
22715 (nonlocal_reference_p, mark_constant_function): New functions.
22716 * flow.c (life_analysis): Call mark_constant_function.
22717 * rtl.h (mark_constant_function): Declare it.
22719 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22721 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22722 unrecognisable switches.
22724 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22726 * loop.c (recombine_givs): Set ix field after sorting.
22727 (recombine_givs): Remove bogus index / giv lockstep looping.
22729 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22731 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22733 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22734 (do_cmp_and_jump): Formatting fixes.
22735 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22736 do_compare_rtx_and_jump instead of compare_from_rtx.
22737 (do_compare_rtx_and_jump): New function; mostly copied from
22739 (do_jump_for_compare): Delete.
22740 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22742 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22743 of compare/do_jump_for_compare pairs.
22744 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22745 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22746 compare_from_rtx/do_jump_for_compare pairs.
22747 (do_jump_by_parts_equality): Likewise.
22748 (do_jump_by_parts_equality_rtx): Likewise.
22749 * expr.h (do_compare_rtx_and_jump): Declare.
22750 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22751 that used to be in emit_cmp_insn.
22752 (cmp_available_p): New function.
22753 (prepare_operand): New function.
22754 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22755 to be in emit_cmp_insn.
22756 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22757 parameters to be pointers; don't emit final compare but modify some of
22758 the values pointed to by the args so the caller can perform the
22759 correct comparison.
22760 (expand_binop): Call emit_store_flag_force with signed forms of
22762 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22763 emit_jump_insn pair.
22764 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22765 emit_cmp_and_jump_insn_1. Call emit_queue.
22766 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22768 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22769 jump sets cc0 before deleting it.
22770 * integrate.c (expand_inline_function): Likewise.
22771 * unroll.c (unroll_loop): Similar changes in several places.
22772 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22773 before deleting it.
22775 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22777 * Makefile.in (insn-recog.o): Update dependencies.
22778 * genrecog.c (main): Make generated file include "function.h".
22780 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22782 * cse.c (cse_insn): Call never_reached_warning when a jump is
22783 changed to be unconditional.
22784 * flags.h: Declare warn_notreached.
22785 * flow.c (delete_block): Call never_reached_warning when
22786 a block is deleted.
22787 * jump.c (delete_barrier_successors): Call never_reached_warning
22788 when we delete everything after a BARRIER.
22789 (never_reached_warning): New function.
22790 * rtl.h: Declare never_reached_warning.
22791 * toplev.c (warn_notreached): New variable.
22792 (lang_independent_options): Set warn_notreached
22793 when -Wunreachable-code.
22794 (compile_file): We need line numbers for -Wunreachable-code.
22796 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22798 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22799 * sched.c (insn_unit): Likewise.
22801 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22803 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22805 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22807 * flow.c (create_edge_list): Use xmalloc, not malloc.
22809 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22811 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22812 C-style comments. Do not lose the character before double slash.
22814 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22816 * basic-block.h (struct edge_list): Stucture to maintain a vector
22818 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22819 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22820 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22821 New function prototypes.
22822 * flow.c (create_edge_list): Function to create an edge list.
22823 (free_edge_list): Discards memory used by an edge list.
22824 (print_edge_list): Debug output showing an edge list.
22825 (verify_edge_list): Internal consistency check for an edge list.
22826 (find_edge_index): Function to find an edge index for a pred and succ.
22828 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22830 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22833 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22835 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22837 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22839 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22841 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22843 * toplev.c (rest_of_compilation): Allow machine dependent
22844 reorganisation pass to place information into the RTL dump
22845 file if it so wishes.
22847 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22849 * explow.c (hard_function_value): Use VOIDmode instead of
22851 * stmt.c (expand_return): Likewise.
22852 * stor-layout.c (get_best_mode): Likewise.
22854 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22855 emit call instead of emit_insn call.
22857 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22859 * configure.in: Handle --disable/enable-win32-registry.
22860 * install.texi: Document --disable/enable-win32-registry.
22861 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22862 (WIN32_REGISTRY_KEY): New macro.
22863 * prefix.c: Use to enable/disable win32-specific code.
22864 (lookup_key): Use versioned key.
22865 * configure: Regenerate.
22866 * config.in: Likewise.
22868 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22870 * cpplib.c (read_line_number): New fn, split out of...
22873 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22875 tree.c (lang_unsave_expr_now) : New.
22876 (unsave_expr_now): Call lang_unsave_expr_now.
22877 tree.h (lang_unsave_expr_now) : New.
22879 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22881 * toplev.c (flag_new_exceptions): On by default.
22883 1999-08-13 Michael Meissner <meissner@cygnus.com>
22885 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22887 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22889 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22890 INTEGER_TYPE with precision==1, it's __java_boolean.
22892 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22894 * global.c (prune_preferences): Move some invariants out of the
22897 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22899 * configure.in (alpha*-dec-osf*): Add osf5.
22901 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22903 * configure.in: Rework handling of ARM GNU/Linux slightly.
22904 (arm*-*-linux-gnuoldld): New target.
22905 * configure: Regenerate.
22906 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22907 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22908 * config/arm/linux-oldld.h: New file.
22909 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22910 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22912 * config/arm/linux-elf.h (ASM_SPEC): Define.
22913 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22914 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22915 for 26-bit APCS and old linker.
22916 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22918 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22919 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22920 don't define `arm' or `arm_elf'.
22921 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22922 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22924 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22926 * rtl.texi: Fix typo.
22928 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22930 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22932 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22934 * extend.texi (C++ Signatures): Remove node.
22935 * invoke.texi: Remove discussion of -fhandle-signatures,
22936 signature, sigof, __signature__, and __sigof__.
22938 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22940 * Makefile.in (JAVAGC): Removed.
22942 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22944 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22946 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22948 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22950 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22952 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22953 a register that is already known to be a pointer.
22955 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22957 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22958 * fixinc/inclhack.sh: Regenerated.
22959 * fixinc/fixincl.sh: Regenerated.
22961 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22963 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22964 Fix documentation of -ansi flag to describe its C++ behavior.
22965 Remove bogus reference to GCC 2.9.
22967 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22969 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22970 note if it is non-NULL.
22972 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22974 * except.h (eh_nesting_info): Add new structure defintion.
22975 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22976 (reachable_handlers, update_rethrow_references): Add function
22978 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22979 a rethrow symbol instead of an integer exception region number.
22980 * flow.c (Make_edges): Use new exception nesting routines to determine
22981 which handlers are reachable from a CALL or asynchronous insn.
22982 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22984 (delete_eh_regions): Update rethrow labels, and don't delete
22985 regions which are the target of a rethrow.
22986 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22987 avoid overloading the SYMBOL_REF_USED flag.
22988 (rethrow_symbol_map): Use new rethrow_ref field.
22989 (rethrow_used): Use new rethrow_ref field.
22990 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22991 of an integer. Fix formatting.
22992 (output_exception_table_entry): Use new rethrow_ref field.
22993 (can_throw): Check for EH_REGION_NOTE before deciding
22994 whether a CALL can throw or not.
22995 (scan_region): Call rethrow_used() instead of accessing data structure.
22996 (update_rethrow_references): New function to make sure only regions
22997 which are still targets of a rethrow are flagged as such.
22998 (process_nestinfo): New static function to initialize a handler
22999 list for a specific region.
23000 (init_eh_nesting_info): New function to allocate and initialize
23001 the list of all EH handlers reachable from all regions.
23002 (reachable_handlers): New function to retrieve the list of handlers
23003 reachable from a specific region and insn.
23004 (free_eh_nesting_info): New function to dispose of a list of
23005 reachable handlers.
23007 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23009 * flow.c (split_edge): Set JUMP_LABEL field.
23010 (commit_one_edge_insertion): Set head correctly for insert_before.
23011 When inserting insns, update insn block numbers if allocated.
23013 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23015 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23016 retry_incomplete_types): Add static prototype.
23017 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23018 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23019 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23020 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23021 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23024 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23025 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23027 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23029 * output.h (assemble_name): Constify a char*.
23031 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23032 assemble_variable, assemble_name): Likewise.
23034 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23036 * arm/pe.c (arm_pe_unique_section): Likewise.
23038 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23040 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23042 * i386/interix.c (i386_pe_unique_section): Likewise.
23044 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23046 * i386/winnt.c (i386_pe_unique_section): Likewise.
23048 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23050 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23052 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23054 * pa/pa.c (output_call): Likewise.
23056 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23058 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23060 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23063 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23066 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23068 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23069 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23071 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23073 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23075 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23077 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23079 * tree.h (lang_identify): Constify a char*.
23080 (print_error_function): Add extern prototype. Constify a char*.
23082 * c-lang.c (lang_identify): Constify a char*.
23084 * objc/objc-act.c (lang_identify): Constify a char*.
23086 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23088 * genpeep.c (main): Make generated file include "function.h".
23089 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23091 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23093 * Makefile.in: Update dependencies.
23094 * alias.c: Include "function.h"
23095 * c-decl.c: Likewise.
23096 * caller-save.c: Likewise.
23097 * calls.c: Likewise.
23098 * combine.c: Likewise.
23100 * explow.c: Likewise.
23101 * final.c: Likewise.
23102 * global.c: Likewise.
23103 * graph.c: Likewise.
23104 * local-alloc.c: Likewise.
23105 * loop.c: Likewise.
23106 * optabs.c: Likewise.
23107 * profile.c: Likewise.
23108 * recog.c: Likewise.
23109 * regclass.c: Likewise.
23110 * regmove.c: Likewise.
23111 * reload.c: Likewise.
23112 * reorg.c: Likewise.
23113 * resource.c: Likewise.
23114 * sched.c: Likewise.
23115 * stupid.c: Likewise.
23116 * config/1750a/1750a.c: Likewise.
23117 * config/a29k/a29k.c: Likewise.
23118 * config/arc/arc.c: Likewise.
23119 * config/arm/arm.c: Likewise.
23120 * config/arm/thumb.c: Likewise.
23121 * config/c4x/c4x.c: Likewise.
23122 * config/clipper/clipper.c: Likewise.
23123 * config/convex/convex.c: Likewise.
23124 * config/fx80/fx80.c: Likewise.
23125 * config/i860/i860.c: Likewise.
23126 * config/m68k/m68k.c: Likewise.
23127 * config/m88k/m88k.c: Likewise.
23128 * config/mips/mips.c: Likewise.
23129 * config/pdp11/pdp11.c: Likewise.
23130 * config/pyr/pyr.c: Likewise.
23131 * config/romp/romp.c: Likewise.
23132 * config/sh/sh.c: Likewise.
23133 * config/tahoe/tahoe.c: Likewise.
23134 * config/vax/vax.c: Likewise.
23135 * config/we32k/we32k.c: Likewise.
23136 * config/sparc/sparc.c: Include "function.h".
23137 (mem_min_alignment): Test current_function rather than
23138 regno_pointer_align.
23139 * config/pa/pa.c: Likewise.
23140 (compute_frame_size): Delete declaration of
23141 current_function_outgoing_args_size.
23142 * config/arc/arc.h (current_function_varargs): Delete declaration.
23143 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23145 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23147 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23148 current_function_uses_pic_offset_table.
23149 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23150 of current_function_returns_pointer.
23151 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23152 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23153 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23154 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23155 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23156 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23157 * config/m88k/m88k.c: Include "function.h"
23158 (call_used_regs, current_function_pretend_args_size,
23159 current_function_outgoing_args_size, frame_pointer_needed): Delete
23161 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23163 * config/mips/mips.h (current_function_calls_alloca): Delete
23165 * config/mn10200/mn10200.h (current_function_needs_context,
23166 rtx_equal_function_value_matters): Delete declarations.
23167 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23168 flag_pic): Delete declarations.
23169 * config/pa/pa.h (current_function_pretend_args_size,
23170 current_function_decl): Delete declarations.
23171 * config/pa/som.h (current_function_varargs): Delete declaration.
23172 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23174 * config/pyr/pyr.h (current_function_pretend_args_size,
23175 current_function_args_size, current_function_calls_alloca): Delete
23177 * config/sh/sh.h (current_function_varargs): Delete declaration.
23178 * config/sparc/sparc.h (current_function_outgoing_args_size,
23179 current_function_calls_alloca, current_function_decl): Delete
23181 * config/spur/spur.h (current_function_pretend_args_size,
23182 current_function_calls_alloca): Delete declarations.
23183 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23185 * config/vax/vms.h (current_function_name): Delete declaration.
23186 * gcse.c: Include "function.h".
23187 (current_function_name, current_function_calls_setjmp): Delete
23189 * haifa-sched.c: Include "function.h".
23190 (forced_labels): Delete declaration.
23191 * jump.c: Likewise.
23192 * reg-stack.c: Likewise.
23193 * reload1.c: Likewise.
23194 * genemit.c (main): Make generated file include function.h.
23195 * genoutput.c (output_prologue): Likewise.
23197 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23198 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23199 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23200 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23201 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23202 macros for some of them.
23203 (emit_filename, emit_lineno): Delete declarations.
23204 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23205 regno_pointer_* variables through current_function.
23206 (gen_inline_header_rtx): Delete function.
23207 (save_emit_status): Delete function.
23208 (set_new_last_label_num): New function.
23209 (clear_emit_caches): New function.
23210 (restore_emit_status): Just clear last_labelnum and call
23212 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23213 through macro seq_stack.
23214 (add_insn_after): Likewise.
23215 (add_insn_before): Likewise.
23216 (remove_insn): Likewise.
23217 (pop_topmost_sequence): Likewise.
23218 (in_sequence_p): Likewise.
23219 (start_sequence_for_rtl_expr): Likewise.
23220 (start_sequence): Likewise, and likewise for
23221 sequence_rtl_expr/seq_rtl_expr.
23222 (push_topmost_sequence): Likewise.
23223 (end_sequence): Likewise.
23224 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23225 All callers changed. Store into that pointer instead of globals.
23226 (init_emit): Allocate emit elt of current_function.
23227 Changes for sequence_rtl_expr/sequence_stack renaming.
23228 Call clear_emit_caches instead of doing it in-line.
23229 Access regno_pointer_* variables through current_function.
23230 (init_emit_once) Don't clear sequence_stack.
23232 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23234 (arg_pointer_save_area): Delete declaration.
23235 (finish_expr_for_function): Renamed from init_queue; no longer static.
23236 (init_expr): Don't call init_queue.
23237 (save_expr_status, restore_expr_status): Delete functions.
23238 (expand_expr): Changes to reflect new layout of struct function.
23239 Don't access current_function_check_memory_usage when current_function
23241 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23242 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23243 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23244 current_function_uses_const_pool, function_call_count,
23245 current_function_uses_pic_offset_table, nonlocal_labels,
23246 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23247 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23248 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23250 (finish_expr_for_function): Declare.
23251 * flags.h (current_function_has_nonlocal_label,
23252 current_function_has_nonlocal_goto, current_function_is_thunk,
23253 current_function_has_computed_jump): Delete declarations.
23254 * flow.c (forced_labels): Delete declaration.
23255 * function.c (current_function_pops_args,
23256 current_function_returns_struct, current_function_returns_pcc_struct,
23257 current_function_needs_context, current_function_calls_setjmp,
23258 current_function_calls_longjmp, current_function_has_nonlocal_label,
23259 current_function_has_nonlocal_goto, current_function_is_thunk,
23260 current_function_has_computed_jump, current_function_calls_alloca,
23261 current_function_contains_functions, current_function_returns_pointer,
23262 current_function_epilogue_delay_list, current_function_args_size,
23263 current_function_pretend_args_size, current_function_arg_offset_rtx,
23264 current_function_outgoing_args_size, current_function_varargs,
23265 current_function_stdarg, current_function_args_info, cleanup_label,
23266 current_function_name, current_function_uses_const_pool,
23267 current_function_instrument_entry_exit, current_function_return_rtx,
23268 current_function_uses_pic_offset_table, nonlocal_labels,
23269 current_function_internal_arg_pointer, current_function_cannot_inline,
23270 current_function_check_memory_usage, function_call_count,
23271 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23272 nonlocal_goto_stack_level, return_label, save_expr_regs,
23273 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23274 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23275 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23276 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23277 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23279 (push_function_context_to): Don't save them. Don't call
23280 save_storage_status, save_emit_status or save_expr_status.
23281 (pop_function_context_from): Don't restore them. Don't call
23282 restore_storage_status or restore_expr_status.
23283 (get_func_frame_size): New function.
23284 (get_frame_size): Use it.
23285 (assign_outer_stack_local): Reflect some member name changes in struct
23287 (put_reg_into_stack): Likewise.
23288 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23290 (fixup_var_refs): Likewise.
23291 (fix_lexical_addr): Likewise.
23292 (trampoline_address): Likewise.
23293 (prepare_function_start): Clear field inlinable of current_function.
23294 (init_function_for_compilation): New function.
23295 (expand_dummy_function_end): New function.
23296 (expand_function_end): Call finish_expr_for_function.
23297 * function.h (struct emit_status): New; fields moved here from struct
23298 function and from global variables. Add accessor macros for some of
23300 (struct expr_status): Likewise.
23301 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23302 (struct function): Add fields expr and emit, inlinable, inl_emit,
23303 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23304 inl_max_label_num. Add many comments.
23305 Add accessor macros for all elts of struct function that no longer
23306 have a global variable.
23307 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23308 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23309 stack_slot_list): Delete declarations.
23310 (get_func_frame_size): Declare.
23311 (save_expr_status, restore_expr_status, save_emit_status,
23312 save_storage_status, restore_storage_status): Delete declarations.
23313 (init_virtual_regs): Declare.
23314 * output.h (current_function_pops_args,
23315 current_function_returns_struct, current_function_returns_pcc_struct,
23316 current_function_needs_context, current_function_calls_setjmp,
23317 current_function_calls_longjmp, current_function_calls_alloca,
23318 current_function_has_nonlocal_label, current_function_varargs,
23319 current_function_has_computed_jump, current_function_returns_pointer,
23320 current_function_contains_functions, current_function_args_size,
23321 current_function_pretend_args_size, current_function_stdarg,
23322 current_function_outgoing_args_size, current_function_args_info,
23323 current_function_name, current_function_return_rtx,
23324 current_function_epilogue_delay_list,
23325 current_function_uses_const_pool, current_function_cannot_inline):
23326 Delete declarations.
23327 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23328 regno_reg_rtx): Delete declaration.
23329 (REGNO_POINTER_FLAG): Delete macro.
23330 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23331 function were renamed.
23332 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23334 * toplev.c: Include "function.h".
23335 (current_function_decl): Delete declaration.
23336 (compile_file): Call init_dummy_function_start and
23337 expand_dummy_function_end around some initializations that need to
23339 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23340 Call init_function_for_compilation.
23341 * unroll.c: Include "function.h"
23342 (unroll_loop): Access regno_pointer_* variables through
23345 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23346 (DECL_SAVED_INSNS): use it.
23347 (expand_dummy_function_end): Declare.
23348 (init_function_for_compilation): Declare.
23349 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23350 that it's no longer an INLINE_HEADER.
23351 (expand_call): Likewise.
23352 * integrate.c (finish_inline): Delete function.
23353 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23354 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23355 args. Don't generate an INLINE_HEADER rtx, just return the arg
23356 vector. All callers changed.
23357 (save_for_inline_copying): Create a duplicate struct emit_status to
23358 hold the emit state for compiling the current function. Use this and
23359 the other new fields in struct function that are for integration
23360 instead of an INLINE_HEADER.
23361 Use memcpy instead of bcopy.
23362 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23363 (save_for_inline_nocopy): Similar changes, except no new emit_status
23365 (expand_inline_function): Get information from function structure,
23366 not from an inline header rtx.
23367 (output_inline_function): Lose code to extract the necessary
23368 information from an inline header; simply put back the function
23369 structure into current_function. Clear its inlinable elt.
23370 * rtl.def (INLINE_HEADER): Delete.
23371 * rtl.h: Delete all accessors for an INLINE_HEADER.
23372 (gen_inline_header_rtx): Delete declaration.
23373 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23374 Delete declarations.
23375 (REGNO_POINTER_ALIGN): Delete.
23376 (clear_emit_caches): Declare.
23377 (set_new_last_label_num): Declare.
23379 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23381 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23383 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23384 * stmt.c (is_eh_region): Make sure current_function is present, too.
23386 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23388 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23389 for 64bit PA targets.
23391 * pa.h (SELECT_SECTION): Define.
23392 * som.h (SELECT_SECTION): Delete.
23394 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23396 * alias.c (init_alias_analysis): Wrap call to
23397 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23399 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23401 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23402 <sys/asm.h> contains an asm comment with an apostrophe
23403 * fixinc/inclhack.sh: regen
23404 * fixinc/fixincl.x: regen
23406 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23408 * function.c (init_function_start): Clear prologue & epilogue.
23409 (prologue_epilogue_contains): New function.
23410 * alias.c (init_alias_analysis): Use it.
23411 * rtl.h (prologue_epilogue_contains): Declare it.
23413 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23415 * jump.c (onlyjump_p): New function.
23416 * rtl.h: Declare it.
23417 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23418 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23420 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23422 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23423 to invert loops. Simplify block scanning.
23425 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23427 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23428 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23430 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23432 * config/sparc/liteelf.h: New file to support sparclite-elf target
23433 * config/sparc/t-sp86x: New file to support sparc86x targets
23434 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23435 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23436 * configure.in: Support above target triplets
23437 * configure: Regenerated
23439 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23441 * fixinc/server.c (server_setup): Do not prefix function used as
23442 parameter with `&'.
23444 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23446 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23447 Remove fp reg alternatives.
23449 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23451 * Makefiin (TAROUTOPTS): Kill.
23452 (install-headers-tar): Use "xpf" for tar headerfile extraction
23453 * i370/x-oe (TAROUTOPTS): Delete.
23454 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23455 * m68k/x-hp320 (TAROUTOPTS): Delete.
23456 * m68k/x-hp320g (TAROUTOPTS): Delete.
23457 * gcc.texi: Update bug reporting text.
23459 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23461 * reg-stack.c (change_stack) Fixed problem with negative array index.
23463 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23465 * extend.texi, install.texi: Fix spelling mistakes.
23467 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23468 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23469 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23470 PREMADE_ATTRTAB_MD.
23471 * mips/t-ecoff: Likewise.
23472 * mips/t-elf: Likewise.
23473 * mips/t-mips: Likewise.
23474 * mips/t-osfrose: Likewise.
23475 * mips/t-r3900: Likewise.
23476 * mips/t-svr3: Likewise.
23477 * mips/t-svr4: Likewise.
23478 * mips/t-ultrix: Likewise.
23480 * gcc.texi: Document recommend means to provide software floating
23481 point libraries in libgcc.a
23483 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23485 * c-lex.c (yylex): We can have a number with no digits.
23487 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23489 * jump.c (delete_prior_computation): New function, broken
23490 out of delete_computation. Check for side effects with
23491 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23492 multi-word hard registers.
23493 (delete_computation): Use it. Check for side effects with
23494 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23495 missing REG_DEAD note for a register which is both set and
23498 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23500 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23501 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23502 (ASM_FILE_START): Import _mcount with the right type.
23503 (ASM_DECLARE_FUNCTION_NAME): Define.
23504 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23505 * pa.c (output_function_prologue): Always emit the function's label
23507 * pa.h (TEXT_SPACE_P): Define.
23508 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23509 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23510 * som.h (TEXT_SPACE_P): Delete.
23511 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23512 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23514 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23516 * expr.c (emit_group_load): Allow src to be a CONCAT.
23518 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23520 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23521 (___mulsi3): Use '!' comment character.
23523 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23525 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23527 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23529 * gcc.c: Update URLs and mail addresses.
23530 * gcc.texi: Likewise.
23532 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23534 * rs6000.c (current_file_function_operand): Return zero for
23536 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23538 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23541 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23543 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23544 allocate space in the stack frame for the PIC register.
23546 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23548 * m68k.md (xordi3, anddi3): These patterns are not available on
23551 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23553 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23554 (PUT_REAL): Likewise.
23556 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23558 * final.c (shorten_branches): Don't add an alignment for loops
23559 that have no label inside.
23561 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23563 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23564 prototypes in macro HAVE_cmpstrsi.
23566 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23568 * emit-rtl.c (operand_subword): Remove unused variable
23571 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23573 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23575 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23577 * cpphash.c (macroexpand): Delete leading whitespace when arg
23578 is concatenated before.
23579 (unsafe_chars): Correct test for whether + and - can extend a
23582 * cppinit.c (cpp_start_read): Do dependencies for
23583 -include/-imacros files also.
23585 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23586 tokenizing non-directive lines.
23587 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23588 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23591 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23593 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23595 * c-lex.c: Sync with C++ frontend.
23596 (linemode): New variable.
23597 (parse_float): imag, conversion_errno, and type are output only.
23598 (yylex): Adjust. Move initial '.' case into main switch.
23600 (handle_generic_pragma): Just deal with tokens.
23601 (readescape): Use ISXDIGIT and ISGRAPH.
23602 * c-parse.in: Add END_OF_LINE token.
23604 * c-lex.c (lang_init): Generalize.
23605 (nextchar): Remove. Replace uses with UNGETC.
23606 (skip_white_space): Handle linemode here. Optimize for cpplib.
23607 (skip_white_space_on_line): Remove.
23608 (extend_token_buffer_to): New fn.
23609 (extend_token_buffer): Use it.
23610 (read_line_number, check_newline): Just deal with tokens.
23611 (token_getch, token_put_back): New fns.
23612 (yylex): Use them. More cpplib optimizations. Simplify.
23614 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23615 Jason Merrill <jason@yorick.cygnus.com>
23617 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23618 (consume_string): Make this smart about USE_CPPLIB.
23619 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23620 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23621 Also, clean up cases where we redundantly set token_buffer[0].
23622 (read_line_number): New fn.
23623 (ignore_escape_flag): New variable.
23625 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23627 * a29k/t-a29kbare: Fix some comments.
23628 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23629 (FPBIT, DPBIT): Define.
23630 * a29k/t-vx29k: Likewise.
23631 * arc/t-arc: Likewise.
23632 * arm/t-arm-elf: Likewise.
23633 * arm/t-bare: Likewise.
23634 * arm/t-pe: Likewise.
23635 * arm/t-pe-thumb: Likewise.
23636 * arm/t-semi: Likewise.
23637 * arm/t-thumb: Likewise.
23638 * arm/t-thumb-elf: Likewise.
23639 * arm/t-thumb-linux: Likewise.
23640 * h8300/t-h8300: Likewise.
23641 * i960/t-i960: Likewise.
23642 * i960/t-vxworks960: Likewise.
23643 * m32r/t-m32r: Likewise.
23644 * mips/t-ecoff: Likewise.
23645 * mips/t-elf: Likewise.
23646 * mips/t-r3900: Likewise.
23647 * pa/t-pro: Likewise.
23648 * rs6000/t-aix43: Likewise.
23649 * rs6000/t-beos: Likewise.
23650 * rs6000/t-newas: Likewise.
23651 * rs6000/t-ppccomm: Likewise.
23652 * rs6000/t-rs6000: Likewise.
23653 * rs6000/t-winnt: Likewise.
23654 * rs6000/t-xnewas: Likewise.
23655 * rs6000/t-xrs6000: Likewise.
23656 * sh/t-sh: Likewise.
23657 * sparc/t-elf: Likewise.
23658 * sparc/t-sparcbare: Likewise.
23659 * sparc/t-sparclite: Likewise.
23660 * sparc/t-splet: Likewise.
23661 * v850/t-v850: Likewise.
23662 * mn10200/t-mn10200: Fix comments.
23663 * mn10300/t-mn10300: Likewise.
23665 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23666 dummy operand. Allocate a new pseudo for the dummy operand.
23667 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23669 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23671 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23673 * configure: Rebuilt.
23674 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23676 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23678 * recog.c (preproces_constraints): Zero recog_op_alt before
23679 processing the constraints.
23681 * arm.c (typedef minipool_node): Renamed from pool_node.
23682 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23683 (add_minipool_constant): New function.
23684 (dump_minipool): New function.
23685 (find_barrier): Remove special case for getting the insn size of
23686 an insn that references the constant pool.
23687 (minipool_fixup): New structure.
23688 (push_minipool_barrier): New function.
23689 (push_minipool_fix): New function.
23690 (note_invalid_constants): New function.
23691 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23692 (arm_reorg): Rewrite code to fix up the constant pool into a
23693 series of mini-pools embedded in the insn stream.
23694 (arm_output_epilogue): New function, made mainly from the body
23695 of output_func_epilogue.
23696 (output_func_epilogue): Move insn generation part of epilogue code
23697 to arm_output_epilogue.
23698 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23699 * arm.md (pool_range): New attribute.
23700 (zero_extendqidi2): Add attribute pool_range.
23701 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23702 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23703 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23704 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23705 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23706 (epilogue): New expand.
23707 (epilogue_insn): New insn. Call arm_output_epilogue.
23709 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23710 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23712 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23714 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23716 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23718 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23720 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23722 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23724 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23726 * global.c: Fix comment.
23728 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23730 * gcc.c (access_check): New static function.
23731 (find_a_file): Use it when searching a directory list.
23732 * collect2.c (find_a_file): Don't accept directories found when
23733 searching a directory list.
23735 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23737 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23738 function parameters with `&'.
23739 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23741 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23743 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23744 or tidy_fallthru_edge if the last insn in the block is not
23745 an unconditional jump or a simple conditional jump.
23747 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23749 * Makefile.in (c-decl.o): Depends on defaults.h.
23751 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23753 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23755 (CLASS_MAX_NREGS): Likewise.
23757 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23759 * cse.c (cse_insn): Fix dumb thinko in last change.
23761 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23763 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23766 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23768 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23769 test for sizes of passed and declared parameter types.
23771 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23773 * fixincludes: Fix the return type of bsearch, char* -> void*.
23775 * fixinc/inclhack.def: Likewise.
23777 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23779 * invoke.texi (-fdump-translation-unit): New option.
23781 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23783 * expr.h (PROMOTE_PROTOTYPES): Move ...
23784 * defaults.h: ... to here.
23785 * c-decl.c: Include defaults.h instead of expr.h.
23786 * c-typeck.c: Include defaults.h.
23788 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23790 * toplev.h (errorcount): Declare.
23791 (warningcount): Likewise.
23792 (sorrycount): Likewise.
23793 * c-lex.c (errorcount): Don't declare.
23794 * dwarf2out.c (errorcount): Don't declare.
23796 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23798 * config/libgloss.h: Add a note discouraging use with ELF.
23799 * configure.in: Don't use libgloss.h for ELF targets.
23800 Always use_collect2 on a.out targets.
23802 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23804 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23805 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23807 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23809 * loop.c (strength_reduce): When doing biv->giv conversion, update
23810 reg note of NEXT->insn.
23812 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23814 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23816 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23818 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23819 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23820 Ensure expr.h is included.
23821 * c-typecheck.c (convert_arguments): Ditto.
23823 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23825 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23826 * config/convex/convex.h: Ditto.
23827 * config/dsp16xx/dsp16xx.h: Ditto.
23828 * config/fx80/fx80.h: Ditto.
23829 * config/gmicro/gmicro.h: Ditto.
23830 * config/i370/i370.h: Ditto.
23831 * config/i386/i386.h: Ditto.
23832 * config/m32r/m32r.h: Ditto.
23833 * config/m68k/m68k.h: Ditto.
23834 * config/m88k/m88k.h: Ditto.
23835 * config/mips/mips.h: Ditto.
23836 * config/pa/pa.h: Ditto.
23837 * config/pyr/pyr.h: Ditto.
23838 * config/tahoe/tahoe.h: Ditto.
23839 * config/we32k/we32k.h: Ditto.
23841 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23842 based on arch size.
23844 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23846 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23849 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23851 1999-08-02 Richard Henderson <rth@cygnus.com>
23853 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23854 for the register spill block.
23855 (m32r_va_arg): New.
23856 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23857 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23859 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23860 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23861 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23863 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23865 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23866 MAX_WCHAR_TYPE defined in sparc.h.
23867 * config/sparc/linuxaout.h: Likewise.
23868 * config/sparc/linux64.h: Likewise.
23869 Also default to -mvis if CPU is UltraSPARC.
23871 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23873 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23874 (RTX_OK_FOR_OLO10): Likewise.
23875 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23876 %lo(), allow it in addresses...
23877 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23878 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23879 does not make sense.
23880 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23881 (sparc_output_scratch_registers): New function.
23882 (output_function_prologue, sparc_flat_output_function_prologue): Use
23884 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23886 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23887 * configure.in: Add check for .register pseudo-op support in as and
23888 check for offsetable %lo().
23889 * acconfig.h: Add templates for the above checks.
23890 * configure: Regenerate.
23892 1999-08-02 Richard Henderson <rth@cygnus.com>
23894 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23895 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23896 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23898 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23900 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23903 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23905 * config/float-sparc.h: New file.
23906 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23907 sparc-*-linux-gnu and sparc64-*-linux*.
23909 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23911 * rs6000.c (rs6000_va_list): Type is an array.
23912 (rs6000_va_start): Don't doubly adjust for varargs.
23913 (rs6000_va_arg): Evaluate long long GPR adjustment.
23915 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23917 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23918 -maix64 and -maix32.
23919 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23920 LINK_SPEC): Change appropriately.
23921 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23922 (u_short_cint_operand): Likewise.
23923 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23925 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23927 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23929 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23931 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23932 for type promotion.
23933 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23934 (non_add_cint_operand): Likewise.
23935 (logical_operand): Likewise.
23936 (non_logical_cint_operand): Likewise.
23937 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23938 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23939 (rs6000_select_rtx_section): Suppress warning.
23940 (small_data_operand): Suppress warning.
23941 (rs6000_got_register): Suppress warning.
23942 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23943 type, so `J' is generally the wrong constraint for a SImode value;
23945 (andsi3_internal2): Likewise.
23946 (andsi3_internal3): Likewise.
23947 (iorsi3_internal1): Likewise.
23948 (xorsi3_internal1): Likewise.
23950 (movsf_softfloat): Likewise.
23951 (scc insns): Likewise.
23952 (movsi+2): Preserve sign bits of SImode constant.
23953 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23954 (movdf+1): Sign-extend properly.
23955 (movdi_32+1): Sign-extend properly.
23956 (scc insns): Sign-extend properly.
23958 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23961 1999-08-02 Richard Henderson <rth@cygnus.com>
23963 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23964 -mcpu parsing code.
23965 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23966 * alpha.md (all fp insns): Likewise.
23968 1999-08-02 Nick Clifton <nickc@cygnus.com>
23970 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23973 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23975 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23976 pic_load_label generator directly.
23977 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23978 No longer a named pattern.
23980 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23982 * explow.c (force_reg): Call force_operand if X does not
23983 satisfy general_operand.
23985 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23987 * fix-header.c (main): When testing for CONTINUED, use string
23988 equality, not pointer equality.
23990 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23992 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23994 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23996 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23997 that has become an unconditional jump.
23999 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24000 (output_function_epilogue): Similarly.
24002 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24004 * tree.h (init_dummy_function_start): Declare.
24006 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24008 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24009 last_expr_type, last_expr_value, block_start_count, block_stack,
24010 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24011 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24012 dynamically in stmt elt of struct function for each function.
24013 (struct nesting): Rename function_call_count elt to n_function_calls,
24014 target_temp_slot_level to block_target_temp_slot_level. All users
24016 (struct stmt_status): New structure definition.
24017 Add many accessor macros for stmt_status elements which previously
24018 were global variables.
24019 (init_stmt_for_function): Allocate stmt elt for current_function.
24020 Reflect that block_start_count was renamed to
24021 current_block_start_count.
24022 (save_stmt_status, restore_stmt_status): Delete functions.
24023 (preserve_subexpressions_p): Don't access loop_stack when outside
24025 (expand_start_bindings): Reflect that block_start_count was renamed to
24026 current_block_start_count.
24027 (expand_fixup): Likewise.
24028 (expand_decl): Don't access block_stack when outside a function.
24029 (expand_decl_cleanup): Likewise.
24030 (expand_dcc_cleanup): Likewise.
24031 (expand_dhc_cleanup): Likewise.
24032 (expand_anon_union_decl): Likewise.
24033 (set_file_and_line_for_stmt): New function.
24034 (in_control_zone_p): New function.
24036 * function.h (struct function): Add new elt stmt.
24037 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24038 case_stack, nesting_stack, nesting_depth, block_start_count,
24039 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24040 emit_lineno, goto_fixup_chain.
24041 (save_eh_status, restore_eh_status, save_stmt_status,
24042 restore_stmt_status): Delete declarations.
24043 * function.c (push_function_context_to): Don't call save_stmt_status.
24044 (pop_function_context_to): Don't call restore_stmt_status.
24045 * tree.h (in_control_zone_p): Declare.
24046 * rtl.h (set_file_and_line_for_stmt): Declare.
24048 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24049 call set_file_and_line_for_stmt.
24051 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24053 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24054 Also update copyright.
24056 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24058 * c-pragma.c: Don't include "except.h".
24059 * emit-rtl.c: Likewise.
24060 * stor-layout.c: Likewise.
24061 * tree.c: Likewise.
24062 * varasm.c: Likewise.
24064 * flow.c: Include "function.h".
24065 * tree.h (init_dummy_function_start): Declare new function.
24067 * except.h (struct eh_status): New structure.
24068 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24070 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24071 catch_clauses, false_label_stack, caught_return_label_stack,
24072 protect_list, current_function_ehc): Add accessor macros for the
24073 corresponding fields in current_function->eh; delete declarations
24074 for all items that used to be declared here.
24075 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24076 catch_clauses, false_label_stack, caught_return_label_stack,
24077 protect_list, current_function_ehc): Delete variables.
24078 (init_eh_for_function): Allocate current_function->eh.
24079 (save_eh_status, restore_eh_status): Delete functions.
24081 * function.h (struct function): Add fields next_global and eh.
24082 Delete all exception handling related fields.
24083 * function.c (current_function): New variable.
24084 (all_functions): New variable.
24085 (push_function_context_to): Don't allocate a struct function,
24086 use current_function instead. Call init_dummy_function_start when
24087 outside a function. Clear current_function before returning.
24088 (pop_function_context_from): Restore current_function.
24089 Don't free the restored struct function.
24090 (prepare_function_start): New function.
24091 (init_dummy_function_start): New function.
24092 (init_function_start): Break out some code into prepare_function_start
24095 * stmt.c (save_stmt_status): Don't call save_eh_status.
24096 (restore_stmt_status): Don't call restore_eh_status.
24098 * Makefile.in: Update dependencies.
24100 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24102 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24103 of depending on a magic constant value. Update comments.
24104 (hppa_expand_prologue): Similarly.
24106 * pa.md (reload_indi, reload_outdi): Allow any register for the
24107 original reload register.
24109 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24111 * cccp.c (print_help): Change marcos to macros.
24113 1999-07-30 Richard Henderson <rth@cygnus.com>
24115 * c-typeck.c (initializer_constant_valid_p): Move ...
24116 * c-common.c (initializer_constant_valid_p): ... here. Use
24117 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24118 of label addresses.
24119 * c-common.h (initializer_constant_valid_p): Declare.
24120 * c-tree.h (initializer_constant_valid_p): Remove.
24122 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24124 * config/i386/sol2-c1.asm: Align the stack.
24125 * config/i386/sol2-gc1.asm: Likewise.
24127 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24129 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24130 -Asparclite for sparc86x.
24131 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24133 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24135 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24137 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24138 the user if using the non-default arch size in BI_ARCH configuration.
24139 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24141 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24142 Fix patterns so that they actually match.
24143 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24144 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24145 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24147 (mulsidi3): Reflect this in the expand.
24148 (smulsi3_highpart): Only on TARGET_ARCH32.
24149 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24150 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24151 (umulsidi3): Reflect this in the expand.
24152 (umulsi3_highpart): Only on TARGET_ARCH32.
24153 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24154 don't require g0 to be zero.
24155 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24156 ({,u}divsi3): New expands.
24157 ({,u}divsi3_sp64): New patterns.
24158 (after lshrdi3_v8plus): Four new patterns to help combiner
24159 optimizing nested mixed mode shifts.
24161 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24162 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24163 speed things up. Don't use them by default on plain v9 in 64bit
24164 mode, according to what SPAMv9 sais.
24166 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24167 top 32 bits of %[og][0-7] in signal handlers.
24168 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24170 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24172 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24173 (ashlsi3): Corresponding changes.
24175 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24177 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24179 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24181 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24183 * arm.h (Hint): Delete macro.
24184 Substitute HOST_WIDE_INT for Hint in some prototypes.
24185 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24187 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24189 * builtins.c (expand_builtin_setjmp): Use force_operand to
24190 make sure that the buffer address is in a suitable form to be
24191 passed to force_reg.
24193 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24195 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24198 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24200 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24201 proper mode in the condition string.
24202 (icacheflush, dcacheflush): Remove modes from match_operands.
24204 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24205 proper mode before using it.
24207 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24210 * pa.c (store_reg): Do not call add_high_const generator directly.
24211 (load_reg, set_reg_plus_d): Likewise.
24212 * pa.md (add_high_const): No longer a named pattern.
24214 * pa.c (legitimize_address): Consistently use Pmode rather than
24215 SImode. Do not call gen_pic2_highpart directly anymore.
24216 * pa.md (pic2_highpart): No longer a named pattern.
24217 (pic2_lo_sum): Similarly. Reformat to make more readable.
24219 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24224 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24226 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24228 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24230 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24231 and tag the spill mems.
24232 (hppa_va_start): New.
24233 (hppa_va_arg): New.
24234 * pa.h (EXPAND_BUILTIN_VA_START): New.
24235 (EXPAND_BUILTIN_VA_ARG): New.
24237 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24239 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24240 and tag the spill mems.
24241 (mn10300_va_start): New.
24242 (mn10300_va_arg): New.
24243 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24244 (EXPAND_BUILTIN_VA_ARG): New.
24246 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24248 * mn10200.c (mn10200_va_arg): New.
24249 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24251 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24253 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24254 rather than play with TREE_INT_CST_LOW.
24256 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24258 * config/arm/telf.h: Include dbxelf.h.
24259 (CPP_PREDEFINES): Only define if not already defined.
24260 (ASM_IDENTIFY_GCC): Likewise.
24261 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24262 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24263 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24265 (DBX_DEBUGGING_INFO): Don't define.
24266 * config/arm/linux-telf.h: New file.
24267 * config/arm/linux-tgas.h: New file.
24268 * config/arm/t-thumb-linux: New file.
24269 * config/arm/uclinux-elf.h: New file.
24270 * config/arm/uclinux-telf.h: New file.
24271 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24272 thumb-*-uclinux): New targets.
24273 * configure: Regenerate.
24275 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24277 * pa.md (post_store, pre_load): New expanders.
24278 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24279 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24280 need to directly generate RTL for them.
24281 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24284 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24286 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24287 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24288 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24289 (secndary_reload_class): Make TARGET_ELF conditional compile.
24290 (print_operand_address): Similar.
24291 (output_toc): Print all values as hex.
24292 (get_issue_rate): Rearrange and add RS64A and PPC630.
24293 * rs6000.h (processor_type): Add RS64A and PPC630.
24294 (PROCESSOR_POWERPC64): New.
24295 (PROMOTE_MODE): Use word_mode.
24296 (RTX_COSTS): Add RS64A and PPC630.
24297 * rs6000.md (scheduling information): Add lmul and ldiv
24298 representing 64-bit integer multiply and divide. Add rs64a and
24299 PPC630 information.
24300 (ashldi3): Add support for "rldic" instruction.
24301 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24303 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24305 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24306 instead of V8 for sparclite86x in cpu_table.
24308 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24310 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24311 output_file_directive.
24313 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24315 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24316 tree for op1, not the rtl.
24318 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24320 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24321 to m88k_va_start, leaving only the register spill.
24322 (m88k_build_va_list): New.
24323 (m88k_va_start): New.
24324 (m88k_va_arg): New.
24325 * m88k.h (BUILD_VA_LIST_TYPE): New.
24326 (EXPAND_BUILTIN_VA_START): New.
24327 (EXPAND_BUILTIN_VA_ARG): New.
24329 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24331 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24332 Rename from expand_builtin_saveregs.
24333 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24335 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24337 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24338 for the register spill block.
24339 (i960_build_va_list): New.
24340 (i960_va_start): New.
24341 (i960_va_arg): New.
24342 * i960.h (BUILD_VA_LIST_TYPE): New.
24343 (EXPAND_BUILTIN_VA_START): New.
24344 (EXPAND_BUILTIN_VA_ARG): New.
24345 * i960.md (store_multiple): Use change_address on individul mems.
24347 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24349 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24351 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24352 (expand_builtin_va_end): Evaluate arg for side effects.
24353 * c-common.c (c_common_nodes_and_builtins): Construct a
24354 va_list_arg_type_node to handle array decomposition to pointer.
24356 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24358 * except.c (st_dynamic_cleanup): Use force_operand on the
24361 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24363 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24364 * c4x.c (c4x_va_arg): New.
24366 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24368 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24369 has manual_pop set.
24371 1999-07-26 Nathan Sidwell <nathan@acm.org>
24373 * eh-common.h (__eh_matcher): Prototype correctly.
24375 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24377 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24378 (TARGET_SINGLE_PIC_BASE): Likewise.
24379 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24381 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24382 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24383 (TARGET_OPTIONS): Add -mpic-register=N.
24384 (OUTPUT_INT_ADDR_CONST): New macro.
24385 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24386 LEGITIMATE_PIC_OPERAND_P): Likewise.
24387 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24388 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24389 output_addr_const directly.
24390 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24392 (thumb_pic_register, thumb_pic_register_string): Declare.
24394 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24396 (label_mentioned_p): New function: Imported from arm.c.
24397 (legitimize_pic_address): New function: Imported from arm.c.
24398 (is_pic):New function: Imported from arm.c.
24399 (thumb_finalize_pic):New function: Imported from arm.c.
24400 (add_constant): Cope with PIC constants.
24401 (fixit): Cope with PIC constants.
24402 (output_return): Do not treat the PIC register as live if
24403 TARGET_SINGLE_PIC_BASE is true.
24404 (thumb_function_prologue): Do not treat the PIC register as live if
24405 TARGET_SINGLE_PIC_BASE is true.
24406 (thumb_expand_prologue): Do not treat the PIC register as live if
24407 TARGET_SINGLE_PIC_BASE is true.
24408 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24409 TARGET_SINGLE_PIC_BASE is true.
24410 (thumb_print_operand): Accept '|'.
24411 (thumb_override_options): Process PIC options.
24413 * config/arm/thumb.md (movsi): Support PIC.
24414 (call_insn): Change "i" constraint to "X".
24415 (call_value_insn): Likewise.
24416 (consttable_4, consttable_8, consttable_end): Set and clear
24417 "making_const_table" as appropriate.
24418 (pic_load_addr, pic_add_dot_plus_four): New insns.
24420 * invoke.texi (Thumb Options): Fix spelling. Document new
24421 options -msingle-pic-base and -mpic-register=.
24423 1999-07-26 Andrew Haley <aph@cygnus.com>
24425 * config/m32r/initfini.c (__init): Use a full word immediate for
24426 __fini: this allows it to be placed in any memory region.
24428 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24429 -mmodel=medium. This is OK for all memory models.
24431 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24433 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24434 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24436 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24438 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24441 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24443 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24445 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24446 (BUILD_VA_LIST_TYPE): New.
24447 (EXPAND_BUILTIN_VA_START): New.
24448 (EXPAND_BUILTIN_VA_ARG): New.
24449 * i860.c (output_delayed_branch): Disable.
24450 (output_delay_insn): Likewise.
24451 (i860_saveregs): New.
24452 (i860_build_va_list): New.
24453 (i860_va_start): New.
24454 (i860_va_arg): New.
24455 * i860.md: Disable all peepholes using output_delayed_branch.
24456 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24458 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24460 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24461 (BUILD_VA_LIST_TYPE): New.
24462 (EXPAND_BUILTIN_VA_START): New.
24463 (EXPAND_BUILTIN_VA_ARG): New.
24464 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24465 Return the address of the save area.
24466 (clipper_build_va_list): New.
24467 (clipper_va_start): New.
24468 (clipper_va_arg): New.
24470 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24472 * arc.h (EXPAND_BUILTIN_VA_START): New.
24473 (EXPAND_BUILTIN_VA_ARG): New.
24474 * arc.c (arc_setup_incoming_varargs): Set alias set of
24476 (arc_va_start): New.
24479 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24481 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24482 (BUILD_VA_LIST_TYPE): New.
24483 (EXPAND_BUILTIN_VA_START): New.
24484 (EXPAND_BUILTIN_VA_ARG): New.
24485 * alpha.c (alpha_builtin_saveregs): Delete.
24486 (alpha_build_va_list): New.
24487 (alpha_va_start): New.
24488 (alpha_va_arg): New.
24490 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24492 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24494 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24495 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24497 * gcc.texi: More changes related to list conversion.
24498 * invoke.texi: Likewise.
24500 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24502 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24503 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24504 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24505 (stabilize_va_list): New function.
24506 (std_expand_builtin_va_start): New function.
24507 (expand_builtin_va_start): New function.
24508 (get_varargs_alias_set): New function.
24509 (std_expand_builtin_va_arg): New function.
24510 (expand_builtin_va_arg): New function.
24511 (expand_builtin_va_end): New function.
24512 (expand_builtin_va_copy): New function.
24513 (expand_builtin): Call them.
24514 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24515 __builtin_{varargs_start,stdarg_start,end,copy}.
24516 (build_va_arg): New function.
24517 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24518 (build_va_arg): Declare.
24519 * c-decl.c (ptr_type_node, va_list_type_node): New.
24520 * c-parse.gperf (__builtin_va_arg): New.
24521 * c-parse.in (VA_ARG): New token.
24522 (unary_expr): Recognize it.
24523 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24524 * expr.h (std_expand_builtin_va_start): Declare.
24525 (std_expand_builtin_va_arg): Declare.
24526 (expand_builtin_va_arg): Declare.
24527 (get_varargs_alias_set): Declare.
24528 * tree.def (VA_ARG_EXPR): New.
24529 * tree.h (BUILT_IN_VARARGS_START): New.
24530 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24531 (ptr_type_node, va_list_type_node): Declare.
24532 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24533 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24534 * m88k.h, m88k.c: Likewise.
24535 * mn10300.h, mn10300.c: Likewise.
24536 * pa.h, pa.c: Likewise.
24537 * rs6000.h, rs6000.c: Likewise.
24538 * sh.h, sh.c: Likewise.
24539 * sparc.h, sparc.c: Likewise.
24541 * emit-rtl.c (operand_subword): Copy alias set.
24542 (change_address): Likewise.
24544 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24546 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24547 not just the first one.
24549 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24551 * config/arm/arm.h (TARGET_SWITCHES): Add
24552 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24553 (TARGET_OPTIONS): Add -mpic-register=.
24554 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24555 (arm_pic_register_string): Declare.
24556 (NEED_PLT_GOT): Delete, replace with ...
24557 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24558 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24559 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24560 * config/arm/arm.c (arm_override_options): Add new option
24562 (arm_pic_register_string): New variable.
24563 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24564 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24565 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24566 (output_return_instruction): Likewise.
24567 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24568 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24569 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24571 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24572 mention of -msched-prolog. Document new options -msingle-pic-base
24573 and -mpic-register=.
24575 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24577 * haifa-sched.c (reemit_notes): Tidy.
24578 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24581 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24583 * explow.c (trunc_int_for_mode): New function.
24584 (plus_constant_wide): Use it.
24585 * combine.c (simplify_and_const_int): Likewise.
24586 (merge_outer_ops): Likewise.
24587 (simplify_shift_const): Likewise.
24588 * cse.c (simplify_unary_operation): Likewise.
24589 (simplify_binary_operation): Likewise.
24590 * emit-rtl.c (operand_subword): Likewise.
24591 * rtl.h: Declare it.
24593 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24595 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24596 (use NUM_REGS instead of NUM_INTS).
24598 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24600 * builtins.c: New file.
24601 * expr.c (saveregs_value, apply_args_value): Delete definition,
24602 moved into builtins.c.
24603 (string_constant): No longer static.
24604 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24605 apply_args_size, apply_result_size, result_vector,
24606 expand_builtin_apply_args, expand_builtin_apply,
24607 expand_builtin_return): Delete functions, moved into builtins.c.
24608 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24609 * expr.h (saveregs_value, apply_args_value): Declare variables.
24610 (expand_builtin, string_constant): Declare functions.
24611 * Makefile.in: Update to build builtin.o.
24613 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24615 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24616 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24617 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24618 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24620 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24623 1999-07-21 Michael Meissner <meissner@cygnus.com>
24625 * print-rtl.c (print_rtx): Print the names of the virtual
24628 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24630 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24631 introduced in previous delta.
24633 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24635 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24636 to avoid name clash.
24638 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24640 * c-lex.c (yylex) : Correct the test for overflow when lexing
24643 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24645 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24646 (adjust_priority): Always call ADJUST_PRIORITY.
24647 (schedule_insn): Only put insns into the ready at cost 0.
24648 (schedule_block): Remove redundant initial sort. Give clock_var
24649 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24651 * tm.texi (MD_SCHED_REORDER): Update docs.
24653 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24654 * sparc.c (ultra_reorder_called_this_block): Delete.
24655 (ultrasparc_sched_init): Don't set it.
24656 (ultrasparc_sched_reorder): Don't check it.
24658 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24660 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24661 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24662 (function_arg_boundary): Align DFmode.
24663 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24664 to get fp reg and stack overflow correct.
24665 (function_arg): Likewise.
24666 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24667 (setup_incoming_varargs): Restructure for ABI_V4; use
24668 function_arg_advance to skip final named argument.
24669 (expand_builtin_saveregs): Properly unskip the last integer arg
24670 when doing varargs. Adjust overflow location calculation.
24672 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24673 explicitly unsigned.
24674 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24675 (__VA_GP_REGSAVE): Similarly.
24676 (__va_longlong_p): Delete.
24677 (__va_arg_type_violation): New declaration.
24678 (va_arg): Restructure. Flag promotion errors. Align double.
24679 TFmode passed by reference.
24681 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24682 in the HOST_BITS_PER_WIDE_INT > 32 case.
24684 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24686 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24688 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24690 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24691 * toplev.c (documented_lang_options): Add -fpreprocessed.
24692 * cpplib.h (struct cpp_buffer): Add preprocessed.
24693 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24694 (cpp_start_read): Don't expand macros or emit an initial #line
24695 directive if -fpreprocessed.
24697 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24699 * cpplib.h (struct cpp_buffer): Added manual_pop for
24700 better C++ tokenization.
24701 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24702 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24703 * c-common.c (cpp_token): Make non-static.
24705 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24707 * c-common.h: New file.
24708 * c-common.c (permanent_obstack): Delete unused declaration.
24709 (c_global_trees): New array.
24710 (c_common_nodes_and_builtins): New function; split off common code
24711 from init_decl_processing in both c-decl.c and cp/decl.c.
24712 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24713 c_global_trees and accessor macros defined in c-common.h.
24714 Include c-common.h.
24715 * c-decl.c: Delete definitions for tree nodes that were replaced by
24717 (init_decl_processing): Build void_list_node.
24718 Call c_common_nodes_and_builtins; delete code to generate the common
24720 * objc/objc-act.c (build_module_descriptor): Rename variable
24721 void_list_node to avoid clash with c-common.h.
24723 * Makefile.in: Update dependencies.
24724 * objc/Make-lang.in: Likewise.
24726 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24728 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24729 (UNIQUE_SECTION_P): Likewise.
24730 (UNIQUE_SECTION): Likewise.
24732 1999-07-19 Linas Vepstas <linas@linas.org>
24734 * config/i370/README: New file.
24735 * config/i370/linux.h: New file.
24736 * config/i370/mvs.h: New file.
24737 * config/i370/oe.h: New file.
24738 * config/i370/t-linux: New file.
24739 * config/i370/t-mvs: New file.
24740 * config/i370/t-oe: New file.
24741 * config/i370/x-oe: New file.
24742 * config/i370/xm-linux.h: New file.
24743 * config/i370/xm-mvs.h: New file.
24744 * config/i370/xm-oe.h: New file.
24746 * i370.c (label_node_t): Add first_ref_page, label_addr,
24747 label_first_ref, label_last_ref members.
24748 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24749 (MAX_MVS_LABEL_SIZE): Define.
24750 (MAX_LONG_LABEL_SIZE): Define.
24751 (alias_node_t, alias_anchor, alias_number): New.
24752 (mvs_function_table): Reorder for EBCDIC.
24753 (ascebc, ebcasc): Unconditionally define.
24754 (i370_branch_dest, i370_branch_length): New functions.
24755 (i370_short_branch, i370_label_scan): New functions.
24756 (mvs_get_label): Renamed from mvs_add_label. Search for
24757 an existing label before creating a new one.
24758 (mvs_add_label): New function.
24759 (mvs_get_label_page): New function.
24760 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24761 over the entire list.
24762 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24763 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24764 (mvs_add_alias, mvs_need_alias): New functions.
24765 (mvs_get_alias, mvs_check_alias): New functions.
24766 (handle_pragma): New function.
24767 (mvs_function_check): New function.
24768 (unsigned_jump_follows_p): Search harder.
24769 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24770 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24771 * i370.h (TARGET_VERSION): Delete.
24772 (CPP_SPEC, CPP_PREDEFINES): Delete.
24773 (mvs_label_emitted): Delete.
24774 (TARGET_EBCDIC): Delete.
24775 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24776 (HANDLE_PRAGMA): Define.
24777 (HARD_REGNO_NREGS): Handle complex modes.
24778 (HARD_REGNO_MODE_OK): Likewise.
24779 (CLASS_MAX_NREGS): Likewise.
24780 (RET_REG): Likewise.
24781 (EXTRA_CONSTRAINT): Define.
24782 (RETURN_IN_MEMORY): True for DImode.
24783 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24784 (FUNCTION_PROFILER): Delete.
24785 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24786 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24787 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24788 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24789 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24790 (ASM_FILE_START): Add "RMODE ANY".
24791 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24792 (ASM_GLOBALIZE_LABEL): Likewise.
24793 (ASM_OUTPUT_LABELREF): Likewise.
24794 (ASM_OUTPUT_COMMON): Likewise.
24795 (PRINT_OPERAND): Handle 'K', 'W', default.
24796 (PRINT_OPERAND_ADDRESS): New.
24797 (Lots of defines): Add support for TARGET_ELF_ABI.
24798 * i370.md (attr length): New. Define for all patterns.
24799 (*): Lots of tweeks to assembly output and constraints.
24801 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24803 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24804 Disable patterns performing SImode comparisons with SImode values
24805 if TARGET_POWERPC64 and instruction does not sign-extend or does
24806 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24807 differ for signed quantities.
24808 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24809 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24810 (decrement_and_branch_on_count): Add 64-bit variant.
24812 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24814 * final.c (output_asm_insn): When searching for the matching string
24815 for a given dialect, don't run past the end of the list of
24816 alternatives if there are fewer alternatives in the template than
24819 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24821 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24822 Removed paragraph about compression of files and size limitation,
24823 duplicated in the FAQ. Use gcc-patches for posting patches.
24824 * gcc.c (main): Updated URL with bug reporting instructions to
24825 gcc.gnu.org. Removed e-mail address.
24826 * system.h (abort): Likewise.
24828 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24830 * Makefile.in (stmp-multilib-sub): Make the files extracted
24831 from $(LIBGCC1) writable.
24833 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24835 * config/arm/aout.h: Reformat for improved readability.
24837 * config/arm/arm.h: Reformat for improved readability.
24838 Replace uses of fprintf with asm_fprintf where appropriate.
24839 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24840 function declaration assembler actions.
24841 (NUM_INTS): New macro: Convert from bytes to words.
24842 (NUM_REGS): New macro: Compute number of registers required to
24843 hold a quanitity of tyep MODE.
24844 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24846 (NUM_ARG_REGS): New macro: The number of argument registers
24848 (ARG_REGISTER): New macro: Compute the register number of the Nth
24850 (LAST_ARG_REGNUM): New macro: The number of the last argument
24852 (SP_REGNUM): New macro: Register number of the stack pointer.
24853 (FP_REGNUM): New macro: Register number of the frame pointer.
24854 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24855 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24856 CUMULATIVE_ARGS so that it counts registers not bytes.
24858 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24860 Replace uses of fprintf with asm_fprintf where appropriate.
24861 (output_ascii_pseudo_op): Replace with version from thumb.c
24863 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24865 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24866 SUBTARGET_CPP_SPEC.
24867 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24868 (ASM_FILE_START): Emit ASM_APP_OFF.
24870 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24872 * pa.c (compute_frame_size): Round frame according to
24873 STACK_BOUNDARY rather than a hardwired value.
24875 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24877 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24879 * configure: Rebuilt.
24881 * configure.in (hppa*-*-linux*): New configuration.
24882 * configure: Rebuilt.
24883 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24884 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24885 * pa/pa-linux.h: New file.
24886 * pa/t-linux: New file.
24887 * pa/xm-linux.h: New file.
24889 * pa.c (hppa_legitimize_address): Change references from SImode to
24890 either Pmode or word_mode as appropriate.
24891 (emit_move_sequence, store_reg, load_reg): Likewise.
24892 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24893 (output_mul_insn): Likewise.
24894 * pa.h (PROMOTE_MODE): Likewise.
24895 (INITIALZE_TRAMPOLINE): Likewise.
24896 (Pmode): Define to word_mode.
24898 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24899 value of 4. Allocate 8 bytes for each FP register save.
24900 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24902 (hppa_expand_prologue): Likewise.
24903 * pa.h (PROMOTE_MODE): Likewise.
24904 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24905 (FUNCTION_ARG_BOUNDARY): Likewise.
24907 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24909 * pa.c (out_of_line_prologue_epilogue): Delete.
24910 (override_options): Remove -mspace related code.
24911 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24912 (compute_frame_size): Only allocate space for register that
24913 actually need to be saved.
24914 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24915 (TARGET_SWITCHES): Remove -mspace, -mno-space
24916 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24917 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24918 * pa/ee.asm, pa/ee_fp.asm: Delete.
24920 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24922 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24923 directive in column zero.
24925 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24927 * m68k.c (output_function_prologue): Fix computation of save mask
24928 when generating PIC code.
24930 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24932 * tree.c (build_type_attribute_variant): Move current_obstack restore
24933 after build_qualified_type call.
24935 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24937 * configure.in: Use t-iris6, even with GNU LD.
24938 * config/mips/iris6gld.h: Fix typo in linker spec.
24939 * config/mips/t-iris6gld: Remove.
24941 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24943 * rs6000.md (insv, extzv): Remove SImode dependence in named
24944 patterns. Explicitly generate DImode RTL if PowerPC64 and
24946 (insvdi): Reverse start and size in instruction template.
24948 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24950 * invoke.texi: Typo fixes.
24952 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24954 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24955 handle at this time instead of silently generating incorrect code.
24956 (gen_imagpart): Likewise.
24958 * reload.c (find_reloads): Emit a USE for a pseudo register without
24959 a hard register if we could not create an optional reload for the
24962 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24964 * c-typeck.c (output_init_element, process_init_element):
24965 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24966 check for nameless bit fields.
24968 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24970 * regclass.c (scan_one_insn): Notice subregs that change the
24971 size of their operand.
24972 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24974 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24976 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24977 * configure: Rebuilt.
24978 * alpha/t-ieee: New file.
24980 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24982 * rs6000.c (find_addr_reg): Do not select r0 as an address
24985 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24987 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24989 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24991 * rs6000.md (movsf): Do not force easy FP constants into memory.
24993 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24994 immed_double_const to ensure they are properly truncated then
24997 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24999 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25000 always unless NO_DEBUG is used. Compile this code
25002 (replace_symbols_in_block): Compile it unconditionally.
25004 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25006 * configure.in (i?86-*-elf*): New target.
25007 * configure: Rebuilt.
25008 * i386/i386elf.h, i386/t-i386elf: New files.
25010 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25012 * toplev.c (main): Don't complain about saying -gdwarf.
25013 (rest_of_compilation): Remove redundant code.
25015 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25017 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25019 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25021 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25022 "Li960R:", to avoid name clash.
25024 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25026 * loop.c (check_dbra_loop): When reversing a loop, delete all
25027 REG_EQUAL notes referencing the reversed biv except those which are
25028 for a giv based on it.
25030 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25032 * version.c: Drop "gcc-" prefix from version #.
25034 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25036 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25037 the label if we're being verbose.
25039 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25041 * m68k.c (output_function_prologue): Add pic register to mask
25042 if live and flag_pic.
25043 (output_function_epilogue): Likewise.
25045 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25047 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25048 directives in column zero.
25050 * pa/elf.h (ASM_FILE_START): Define.
25051 * pa/som.h (ASM_FILE_START): Include .level directives.
25052 * pa/hpux10.h (ASM_FILE_START): Delete.
25053 * pa/hpux11.h (ASM_FILE_START): Delete.
25055 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25057 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25059 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25060 when reload_out equals reload_in.
25062 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25064 * invoke.texi (Spec Files): New node: Describe the contents of
25067 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25069 * invoke.texi (DEC Alpha Options): Put @end table at
25070 beginning of line, to avoid confusing texi2html.
25072 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25074 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25075 introduced in previous delta.
25077 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25079 * reload1.c (gen_reload): When synthesizing a 3 operand add
25080 sequence, improve test for when to reload OP1 into the reload
25081 register instead of OP0.
25083 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25085 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25087 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25089 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25092 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25094 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25095 (va_dcl): Use __builtin_va_alist_t.
25097 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25099 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25100 on the permanent_obstack.
25101 * dwarfout.c (output_type): Likewise.
25103 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25105 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25106 Merged from c-typeck.c and cp/typeck.c.
25107 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25108 Merged into c-common.
25110 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25112 * c-lex.c (errorcount): Declare it.
25113 (finish_parse): Update errorcount when using CPPLIB.
25115 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25117 * fixinc/inclhack.def(end_else_label): Double the backslash so
25118 sed gets a chance to see it.
25119 * fixinc/inclhack.sh: regen
25120 * fixinc/fixincl.x: regen
25122 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25124 Add framework to support armv5 architecture when it becomes
25127 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25128 (arm_arch5): New variable.
25129 (all_architectures): Add armv5 line.
25130 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25131 -march=armv5 is specified on the command line.
25132 (arm_arch5): Export this variable.
25133 * invoke.texi: Document new string accepted by -march= switch for
25136 * config/arm/arm.h: Replace use of constant 12 as a register
25137 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25138 * config/arm/arm.c: Replace use of constant 12 as a register
25139 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25141 * config/arm/elf.h: Tidy up.
25142 * config/arm/coff.h: Tidy up.
25144 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25146 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25147 * gcc/config/mips/t-iris6gld: New file.
25148 * gcc/config/mips/iris6gld.h: Likewise.
25150 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25152 * c-decl.c (widest_integer_literal_type_node,
25153 widest_unsigned_literal_type) : New.
25154 (init_decl_processing): Handle/use the two new types.
25155 * c-common.c (type_for_size,type_for_mode) : Same.
25156 * c-lex.c (yylex) : Same.
25157 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25159 * c-tree.h (widest_integer_literal_type_node,
25160 widest_unsigned_literal_type) : New.
25162 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25164 * dwarfout.c (field_byte_offset): Correctly compute the object's
25165 byte offset for the first bit of a field which crosses an alignment
25166 boundary on a !BYTES_BIG_ENDIAN target.
25168 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25170 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25173 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25174 Jeff Law <law@cygnus.com>
25176 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25179 * except.c: Include intl.h.
25180 (expand_eh_return): Set current_function_cannot_inline.
25181 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25182 * function.h (struct function): Add eh_return_stub_label.
25183 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25184 * Makefile.in (except.o): Depend on intl.h.
25186 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25188 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25189 same as offsettable in cases 1 and 2.
25191 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25193 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25194 (extlh, extwh): Likewise.
25196 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25198 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25200 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25202 * configure.in: Add arm-pe and thumb-pe targets.
25203 * configure: Regenerate.
25205 * thumb.c (arm_naked_function_p): New function: Determines if
25206 a function is naked (has no gcc generated prologue/epilogue).
25207 (is_called_in_ARM_mode): Return true if the func has the
25208 interfacearm attribute.
25209 (output_return): Do not generate a return for naked functions.
25210 (thumb_function_prologue): Do not generate a prologue for
25212 (thumb_expand_prologue): Do not generate a prologue for naked
25214 (thumb_expand_epilogue): Do not generate an epilogue for naked
25216 (arm_valid_machine_decl_attribute): New function, copied from
25217 arm.c: Permit naked and interfacearm attributes.
25219 * config/arm/pe.c: New file: Support code for arm-pe target.
25220 * config/arm/pe.h: New file: Header file for arm-pe target.
25221 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25222 * config/arm/t-thumb-pe: New file: Makefile fragment for
25225 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25227 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25228 -fPIC or -fpic is specified.
25230 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25232 * expr.c (emit_block_move): Use copy_to_mode_reg for
25233 !TARGET_MEM_FUNCTIONS case too.
25235 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25237 * configure: Rebuilt.
25238 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25239 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25240 definitions made redundant by dbxelf.h inclusion. Delete
25241 lots of definitions related to assembly output that are
25242 specific to the SOM object format.
25243 * pa.c (output_function_prologue): Do not emit the function's
25245 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25246 * pa-pro.h: Deleted.
25247 * som.h: New file with SOM specific definitions.
25248 * elf.h: New file with ELF specific definitions.
25250 * elfos.h (const_section): Output a tab before assembler directives.
25251 (ctors_section, dtors_section): Likewise.
25252 (ASM_OUTPUT_SECTION_NAME): Likewise.
25254 * pa/pa1.h: Delete unused file.
25256 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25258 * configure.in (hppa*-hp-hpux11*): New configuration.
25259 * configure: Rebuilt.
25260 * pa/pa-hpux11.h: New file.
25261 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25264 * mips.md (leasi, leadi): New patterns.
25266 * expr.c (emit_block_move): Properly handle case where one of the
25267 block move arguments has a queued increment or decrement.
25268 (clear_storage): Similarly. Fix formatting goof.
25270 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25272 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25273 semicolon from the BSD VA_LIST replacement expression.
25275 * fixinc/inclhack.sh: regen
25276 * fixinc/fixincl.x: regen
25278 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25279 now use the fixincl program.
25281 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25283 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25284 case. Also make the PIC register call_used.
25286 * m68k.h (FINALIZE_PIC): Delete.
25287 * m68k.c (finalize_pic): Delete.
25289 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25291 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25294 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25296 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25298 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25300 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25302 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25304 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25306 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25308 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25310 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25312 * rs6000.c (output_toc): Always use hex values for floating-point
25313 constants. Store single-precision values in upper-half of TOC
25314 entry in 64-bit mode.
25315 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25316 to final constraints.
25317 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25318 (fctiwz): Improve accuracy of RTL for pattern.
25320 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25322 * expr.c (expand_expr): Allow RTL_EXPR's through the
25323 MAX_INTEGER_COMPUTATION_MODE checks.
25325 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25327 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25328 such that MASK_SUPPORT_ARCH is not negative.
25330 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25332 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25333 ADDR_DIFF_VEC insns that appear inside loops.
25335 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25336 Jeff Law <law@cygnus.com>
25338 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25339 Handle LO_SUM the same as offsettable in cases 1 and 2.
25340 * rs6000.c (find_addr_reg): Revert previous patch.
25342 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25344 * system.h (strstr): New external function declaration.
25345 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25346 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25347 * config.in, configure: Rebuilt.
25349 1999-06-24 Tom Tromey <tromey@cygnus.com>
25351 * gcc.c (main): Read user-specified specs files after computing
25352 additional startfile_prefixes.
25354 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25356 Revert these two patches:
25358 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25359 * loop.c (strength_reduce): When doing biv->giv conversion, update
25360 reg note of NEXT->insn.
25362 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25363 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25365 (recombine_givs): Set ix field after sorting.
25367 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25369 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25370 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25372 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25374 *fixinc/inclhack.def: Add fix development commentary
25375 (read_ret_type): reactivate and add selection clause
25376 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25377 *fixinc/{fixincl.x|inclhack.sh}: regen
25379 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25381 * expr.c (expand_expr): STRIP_NOPS before checking against
25382 MAX_INTEGER_COMPUTATION_MODE
25383 (check_max_integer_computation_mode): Likewise.
25385 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25387 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25389 1999-06-22 Jim Wilson <wilson@cygnus.com>
25391 * expr.c (store_expr): When target is a promoted subreg, return a
25392 promoted subreg as a result.
25394 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25396 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25398 (dwarf2out_define): Mark unused parameters appropriately.
25399 (gen_unspecified_parameters_die): Ditto.
25400 (gen_subprogram_die): Fix signed/unsigned warnings.
25401 (gen_variable_die): Ditto.
25403 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25405 * fixinc/inclhack.def(end_else_label): combined else_label
25406 and endif_label and fixed the sed expression.
25407 *fixinc/{fixincl.x|inclhack.sh}: regen
25409 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25411 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25412 'x' when handling non-offsettable addresses
25414 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25416 * final.c (shorten_branches): Don't try to split an insn that has
25419 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25421 * config/mips/mips.c (symbolic_expression_p): New function.
25422 (mips_select_rtx_section): Put symbolic expressions in the
25423 data section, not the read-only data section.
25425 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25427 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25429 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25431 * collect2.c (main): Log frame table count.
25432 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25433 (scan_prog_file) [COFF]: Handle frame tables.
25435 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25436 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25437 * alpha/elf.h: Undef them again.
25438 * alpha/vms.h: Remove their definitions.
25440 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25442 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25443 remove the clobber of r0 and change the REG_UNUSED note to
25446 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25448 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25449 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25450 fits in HOST_WIDE_INT and one uses union to access a long constant
25453 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25455 * sparc.c (sparc_override_options): Don't allow profiling for
25456 code models other than medlow.
25457 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25458 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25459 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25460 (sparc_block_profiler): Likewise.
25461 (sparc_function_block_profiler_exit): Likewise.
25462 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25463 (FUNCTION_BLOCK_PROFILER): Likewise.
25464 (BLOCK_PROFILER): Likewise.
25465 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25466 (MCOUNT_FUNCTION): New.
25467 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25468 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25469 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25470 (MCOUNT_FUNCTION): New.
25471 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25472 (BLOCK_PROFILER): Delete.
25473 (MCOUNT_FUNCTION): New.
25475 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25477 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25479 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25481 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25484 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25487 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25490 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25493 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25495 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25498 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25500 * i386/djgpp.h (LIB_SPEC): New.
25501 (STARTFILE_SPEC): New.
25503 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25505 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25507 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25510 * system.h (WSTOPSIG): New macro.
25512 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25514 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25516 (insert_pack_attributes): Take into account member natural
25519 * i386/winnt.c (exports_head): New static variable.
25520 (i386_pe_record_exported_symbol): New function.
25521 (i386_pe_asm_file_end): Use.
25522 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25523 symbols to be emitted at end of assembly.
25524 (ASM_DECLARE_OBJECT_NAME): Likewise.
25525 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25527 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25530 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25532 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25535 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25537 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25538 zapping reg_last_uses directly.
25539 (sched_analyze_2, sched_analyze_insn): Likewise.
25540 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25542 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25544 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25545 attributes for cases 1 and 2.
25547 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25549 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25552 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25554 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25556 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25558 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25559 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25560 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25561 must be stacked if it is used for PIC accesses.
25562 * arm.c (use_return_insn): Handle PIC register specially.
25563 (output_return_instruction): Likewise.
25564 (output_func_{prologue,epilogue}): Likewise.
25565 (output_expand_prologue): Likewise.
25567 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25568 (*strsi_predec): Renamed from *strqi_predec.
25569 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25570 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25572 * arm.c (arm_override_options): Remove warning about PIC code
25573 not being supported.
25575 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25577 * rs6000.c (find_addr_reg): New function.
25578 * rs6000.h (find_addr_reg): Declare.
25579 (offsettable_addr_operand): Delete.
25580 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25581 from and stores to GPRs.
25583 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25585 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25586 gen_sequence as argument to emit_no_conflict_block.
25588 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25590 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25591 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25592 *fixinc/fixincl.x: regen
25593 *fixinc/inclhack.sh: regen
25595 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25597 * added support for -mpcrel (PC relative addressing for m68k)
25598 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25599 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25600 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25601 (comments for general_src_operand): Add some explanation
25602 about EXTRA_CONSTRAINTS.
25603 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25604 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25605 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25606 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25607 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25608 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25609 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25610 if not already set.
25611 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25612 * m68k.h (TARGET_PCREL): New target flag.
25613 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25614 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25615 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25616 contains a SYMBOL_REF. Relax this constraint during reload, since
25617 we want to use the predicates, not reload's built-in concept of a
25618 valid memory address, to control what insns need reloading.
25619 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25620 operands (essentially 'g', 'm', and 's' under normal circumstances).
25621 * m68k.c (print_operand): Cause printing of pc-relative addresses
25622 to include pc register.
25623 (print_operand_address): Ditto.
25624 (general_src_operand): Accept operands that are not only
25625 general_operands, but are also valid when used as a pc-relative
25627 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25628 (memory_src_operand): Similar, for memory_operands.
25629 (pcrel_address): New predicate to accept the special case of a
25630 pc-relative address.
25631 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25632 QImode insns to accept *_src_operand instead of *_operand where
25633 pc-relative operands can fit. For example, a pc-relative operand
25634 can be used as a memory source operand for addsi3, but not as a
25635 memory destination.
25636 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25638 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25640 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25641 .thumb_set pseudo op to mark aliases of thumb functions.
25643 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25645 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25646 preference to ASM_OUTPUT_DEF, if it is defined.
25648 * tm.texi: Document new, optional target macro
25649 ASM_OUTPUT_DEF_FROM_DECLS.
25651 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25653 * fixincludes: ISCNTL patch
25654 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25655 (dgux_int_varargs): new for DG/UX
25656 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25658 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25660 * invoke.texi (ia32 options): Fix typo.
25662 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25664 * loop.c (strength_reduce): When doing biv->giv conversion, update
25665 reg note of NEXT->insn.
25667 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25669 * loop.c (move_movables): Note issues with replacing REGs with
25671 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25673 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25675 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25677 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25678 the reference to `mcount' was not correct for the ELF on FreeBSD.
25680 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25682 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25685 (recombine_givs): Set ix field after sorting.
25687 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25689 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25690 to safe to extract a subword out of a REG.
25692 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25694 * sh.md (mulsi3): Don't add a no-op move at the end.
25696 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25698 * cse.c (cse_insn): Don't put hard register source into tables for
25699 the last insn of a libcall.
25701 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25703 * loop.c (strength_reduce): Insert sets of derived givs at every
25704 biv increment, even if it's the only one.
25706 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25708 * dwarfout.c (add_incomplete_type): New fn.
25709 (output_type): Call it.
25710 (retry_incomplete_types): New fn.
25711 (dwarfout_finish): Call it.
25713 From Eric Raskin <ehr@listworks.com>:
25714 (output_type): Output types for bases.
25716 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25718 * mips.c (mips_output_conditional_branch): Add `break'
25719 between `default' label and `close braces'.
25721 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25723 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25724 specifications and make it realistic.
25725 (LIB_SPEC): Likewise.
25727 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25729 * config/mips/mips.c (mips_secondary_reload_class): Check for
25730 (PLUS (SP) (REG)) and return appropriate register class.
25731 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25732 Handle (PLUS (SP) (REG)).
25733 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25734 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25735 of emit_insn for tablejump.
25737 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25739 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25740 asm_fprintf format string by itself.
25741 (output_function_profiler): Likewise.
25743 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25745 * combine.c (simplify_logical, case AND): Only call
25746 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25747 or the constant is positive.
25749 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25751 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25752 * configure: Regenerate.
25754 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25756 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25757 require a sub-version #.
25758 * configure: Rebuilt.
25760 1999-06-14 Robert Lipe (robertlipe@usa.net)
25762 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25764 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25766 * c-typeck.c (process_init_element): Detect excess elements in
25767 char array initializer.
25769 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25771 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25773 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25775 * invoke.texi (Option Summary): Add -fpermissive flag.
25777 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25779 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25780 that require PIC code sequences.
25782 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25784 * configure.in: Add new target: thumb-elf.
25785 * configure: Regenerate.
25786 * config/arm/t-thumb-elf: New file: Makefile fragment for
25788 * config/arm/telf.h: New file: Header file for thumb-elf
25791 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25793 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25794 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25795 initializers is some circumstances.
25797 * fixinc/inclhack.def (endif_label): Add additional selector for
25798 more bogus stuff after #endif statements.
25799 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25801 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25803 * i386/cygwin.h (SET_ASM_OP): Define.
25805 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25807 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25809 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25811 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25814 * sh.md (ic_invalidate_line_i): Remove second alternative.
25816 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25818 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25819 test for the presence of valid prototypes. Delete bypass expr.
25820 (ioctl_fix_ctrl): Correct the selection expression.
25821 (no_double_slash): Correct quoting rules
25822 *fixinc/fixincl.x: regen
25823 *fixinc/inclhack.sh: regen
25825 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25827 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25829 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25831 * rs6000.md (movsi_got_internal_mem): Delete.
25832 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25833 (GOT_TOC_REGNUM): Delete.
25834 (PIC_OFFSET_TABLE_REGNUM): Define.
25835 (FINALIZE_PIC): Disable.
25836 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25837 (rs6000_replace_regno): Delete.
25838 (rs6000_finalize_pic): Likewise.
25839 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25841 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25843 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25844 is a note; use <= for the compare; advance P while it is
25847 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25849 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25850 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25852 * varasm.c (remove_from_pending_weak_list): Verify t->name
25853 is non-NULL before passing it to strcmp.
25855 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25857 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25858 the typed arguments are not part of a comment
25859 (ioctl_fix_ctrl): Added a purpose comment
25860 *fixinc/fixincl.x: regenerate
25861 *fixinc/inclhack.sh: regenerate
25863 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25865 * invoke.texi: Add C4x invocation docs.
25867 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25869 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25871 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25873 (c4x_legitimize_reload_address): New function.
25874 * config/c4x/c4x.md: Update docs.
25876 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25878 * fixincludes: Avoid removing '.'.
25879 * fixinc/fixinc.svr4: Likewise.
25880 * fixinc/fixinc.winnt: Likewise.
25881 * fixinc/inclhack.tpl: Likewise.
25882 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25884 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25886 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25888 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25890 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25892 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25895 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25897 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25898 * configure: Regenerate.
25900 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25902 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25905 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25907 * fixinc/inclhack.def (avoid_bool): Also catch
25908 "typedef [unsigned] int bool".
25909 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25911 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25912 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25913 * configure: Rebuilt.
25915 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25917 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25918 such that we can override its definitions if necessary.
25919 (CPP_SPEC): New define. Support processor specific predefines via
25921 (CC1_SPEC): New define. Support processor specific compiler
25922 options via %(cc1_cpu).
25923 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25926 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25928 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25929 between sed's -e flag, and the open-quote following it.
25930 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25932 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25933 Jeffrey A Law (law@cygnus.com)
25935 * varasm.c (assemble_start_function): Remove the function
25936 from the pending weak decls list when we define a function.
25937 (assemble_variable): Similarly for variables.
25938 (weak_finish): Ignore items on the list with a NULL name.
25939 (remove_from_ending_weak_list); New function to "remove" an item
25940 from the pending weak declarations list.
25942 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25944 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25946 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25948 * c-lex.c (GETC): Redefine to call getch.
25949 (UNGETC): Redefine to call put_back.
25950 (putback_buffer): New structure type.
25951 (putback): New static structure.
25952 (getch): New function.
25953 (put_back): New function.
25954 (yylex): Replace unused bytes from bad multibyte character.
25956 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25958 * cpplib.c (do_define): Cast `alloca' return value.
25959 (do_include, do_undef, do_pragma): Likewise.
25960 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25962 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25963 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25965 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25967 * sparc.md (abstf2): This should be an expand.
25968 (split after abstf2_notv9): Fix mode.
25969 (abstf2_hq_v9): New pattern.
25970 (abstf2_v9): Only use when no hard quad.
25971 (absdf2_v9): Fix if target is not the same as source.
25972 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25973 Add correct output constraints.
25975 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25977 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25978 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25980 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25982 * mips.h (mips_output_conditional_branch): New function.
25983 (mips_adjust_insn_length): Likewise.
25984 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25985 (ADJUST_INSN_LENGTH): Likewise.
25986 * mips.c (print_operand): Add `F' and `W' for floating-point
25987 comparison opcodes.
25988 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25990 (mips_adjust_insn_length): New function.
25991 (mips_output_conditional_branch): New function.
25992 * mips.md (length): Adjust attribute definition to handle
25993 conditional branches. Change lengths to bytes, rather than
25994 instructions throughout. Remove length attribute from
25995 instructions whose length is four bytes, and rely on the default
25997 (dslot): Fix typo in comment.
25998 Reword conditional branch patterns to use
25999 mips_output_conditional_branch.
26001 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26003 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26004 (LIB_SPEC): Likewise.
26005 Link with -lprof1_r for -g/-pg.
26007 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26009 * loop.c (check_dbra_loop): Fix change of Jan 19.
26011 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26013 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26014 (STARTFILE_SPEC): Define, override the svr4.h version.
26015 (ENDFILE_SPEC): Likewise.
26017 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26019 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26020 * fixinc/fixincl.x: Regenerated.
26021 * fixinc/inclhack.sh: Regenerated.
26023 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26025 * sh.c (barrier_align): Don't return early for normal branch/barrier
26026 when optimizing for SH2.
26028 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26030 * i386/udk.h (LINK_SPEC): Correct linker search path for
26033 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26035 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26036 (braf_label_ref_operand): Delete.
26037 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26038 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26039 label_ref, and has no predicate.
26040 The patten has a predicate to guard against invalid substitutions.
26041 (dummy_jump): Delete.
26042 (casesi): Update use of casesi_jump_2.
26044 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26046 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26047 *fixinc/fixincl.x: regenerate
26048 *fixinc/inclhack.sh: regenerate
26050 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26052 * dwarf2out.c (add_incomplete_type): New fn.
26053 (gen_struct_or_union_type_die): Call it.
26054 (retry_incomplete_types): New fn.
26055 (dwarf2out_finish): Call it.
26057 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26059 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26060 current block starts with a CODE_LABEL and ends with a CALL and
26061 we can not find all the argument setup instructions for the CALL.
26063 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26065 Revert this change:
26066 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26067 something is a candidate for optimize_bit_field_compare.
26069 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26071 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26073 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26075 * alpha.c (override_options): Thinko in last patch.
26077 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26078 (LIB_SPEC): Recognize -pthread.
26080 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26082 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26083 definition in config/arm/coff.h
26084 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26086 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26088 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26089 fixes that need "file=xxx\n" prepended before invocation
26090 (start_fixer - new): starting the fixer process is complex enough
26091 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26092 (process): uses the new routine; omit usage of putenv()
26093 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26094 * fixinc/fixincl.x: regenerate
26096 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26098 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26099 and version #s (1.1 -> 2.96) as needed.
26100 * README.g77: Kill way out of date file in the toplevel directory.
26102 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26104 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26105 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26106 * configure: Rebuilt.
26107 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26108 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26109 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26110 (SWITCH_TAKES_ARG): Likewise.
26111 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26112 * config/t-freebsd: Moved from config/i386/ so it can used for all
26115 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26117 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26119 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26121 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26122 * configure: Rebuilt.
26124 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26126 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26127 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26128 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26129 (rs6000_output_load_toc_table): Same.
26130 (output_prolog, output_mi_thunk): Same.
26131 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26132 (ASM_GLOBALIZE_LABEL): Use putc.
26134 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26136 * alpha.md (reload_*_help): New patterns and splitters.
26137 (reload_*): Use them.
26138 (mov[qh]i): Likewise.
26140 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26142 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26145 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26147 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26149 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26151 * flow.c (mark_regs_live_at_end, insn_dead_p,
26152 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26153 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26154 hasn't run or the frame pointer is needed.
26155 * haifa-sched.c (attach_deaths): Likewise.
26156 * sched.c (attach_deaths): Likewise.
26158 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26160 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26161 calculate_can_reach_end returns nonzero.
26163 * configure.in (native gas tests): Search for an assembler in the
26164 same manner that the installed compiler will.
26165 * configure: Rebuilt.
26166 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26168 * alias.c (find_base_term): Improve handling of addresses
26169 constructed from binary operations.
26171 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26173 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26175 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26177 * function.h (cleanup_label, frame_offset): Declare.
26178 (tail_recursion_label, tail_recursion_reentry): Likewise.
26179 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26180 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26181 (tail_recursion_label, tail_recursion_reentry): Likewise.
26182 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26184 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26186 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26188 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26189 (MAX_OFILE_ALIGNMENT): Define.
26191 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26193 * fixincl.c: Replace local include scheme with #includes of
26194 gansidecl.h and system.h.
26195 * procopen.c: Likewise.
26196 * server.c: Likewise.
26198 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26200 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26201 (crti.o): Add build rule and dependencies.
26202 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26204 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26206 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26207 (LIB_LINUX_SPEC): Likewise.
26208 (LIB_LINUX_SPEC): Add support for -pthread
26209 (CPP_OS_LINUX_SPEC): Likewise.
26210 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26213 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26215 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26217 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26218 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26219 for IEEE math and CC_FCOMI.
26220 (put_jump_code): No IEEE if CC_FCOMI is set.
26222 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26224 * fold-const.c (fold_truthop): Make the field reference unsigned
26225 when converting a single bit compare.
26227 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26229 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26231 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26233 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26234 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26237 * reload.c (push_reload): Do not call remove_address_replacements
26238 when presented with identical optional reloads.
26240 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26242 * alpha.h (MASK_FIX, TARGET_FIX): New.
26243 (MASK_*): Reorganize constants.
26244 (CPP_AM_FIX_SPEC): New.
26245 (TARGET_SWITCHES): Add FIX.
26246 (EXTRA_SPECS): Likewise.
26247 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26248 (SECONDARY_MEMORY_NEEDED): Likewise.
26249 (REGISTER_MOVE_COST): Likewise.
26250 * alpha.c (override_options): Add FIX support. Always use
26251 ALPHA_TP_PROG for ev6.
26252 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26253 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26254 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26256 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26258 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26259 something is a candidate for optimize_bit_field_compare.
26261 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26263 * gcc.texi (Passes): Document branch-shortening.
26264 * invoke.texi (Debugging Options): Document the fact that `-dp'
26265 outputs length information for instructions.
26267 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26269 * flow.c: Revert previous delta.
26271 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26273 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26274 FRAME_POINTER_REGNUM.
26275 (mark_set_1): Ditto.
26276 (mark_used_regs): Ditto.
26278 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26280 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26281 (GOT_PCREL): New macro. Define to 1 if not already defined.
26282 * arm/elf.h (GOT_PCREL): Define to 0.
26283 * arm.c (arm_finalize_pic): Take into account the setting of
26286 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26288 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26289 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26291 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26292 store elimination candidates.
26294 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26296 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26299 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26301 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26302 Add use of x-aix41-gld.
26304 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26306 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26307 (ASM_OUTPUT_DESTRUCTOR): Define.
26309 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26311 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26312 last CODE_LABEL in a loop if we have previously passed a jump
26313 to the top of the loop.
26315 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26317 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26318 applying Philip's patch.
26320 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26322 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26325 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26327 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26329 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26331 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26332 Also remove a useless comment.
26334 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26336 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26338 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26340 * collect2.c (main): Only generate import or export file and add
26341 to link arguments if non-empty. Use xmalloc not alloca.
26342 (write_{export,import}_file): Delete.
26343 (write_aix_file): New function.
26344 (locatelib): Use xmalloc not malloc.
26345 (GCC_OK_SYMBOL): Do not check type if aix64.
26347 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26349 Based on patch by Scott Bambrough and Pat Beirne:
26350 * config/arm/arm.c (making_const_table): New variable.
26351 * config/arm/arm.h (making_const_table): Declare.
26352 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26354 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26355 Keep track of when we are building the constant table.
26357 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26359 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26362 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26364 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26367 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26369 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26372 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26374 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26376 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26378 * rs6000.c (output_mi_thunk): Enable full support again.
26380 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26382 * sh.h (BRANCH_COST): Define.
26384 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26386 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26388 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26390 * function.c (assign_stack_local): Align stack slot propertly.
26391 (assign_outer_stack_local): Likewise.
26393 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26395 * expr.h (lang_expand_constant): Declare.
26396 * toplev.c (lang_expand_constant): Define it.
26397 * varasm.c (output_constant): Use it.
26399 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26401 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26402 Change function definitions to K&R style.
26404 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26406 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26408 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26410 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26411 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26412 (several places): omit static initialization
26413 (process): use single fd, since only the read fd is used
26414 * fixinc/gnu-regex.c: define 'const' away, if not supported
26415 * fixinc/procopen.c(several places): omit static initialization
26416 * fixinc/server.c: define 'volitile' away, if not supported
26418 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26420 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26421 asm_fprintf and %L to generate the label name.
26422 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26423 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26425 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26427 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26428 insn for a conditional jump can not be found.
26430 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26432 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26433 on variables in specific sections other than .sbss and .sdata.
26435 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26437 * stmt.c (expand_return): Call start_cleanup_deferral and
26438 end_cleanup_deferral around conditional code.
26440 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26442 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26443 filename lists. Utilizes new "krstr" AutoGen function.
26444 * fixinc/fixincl.x: Rebuilt.
26446 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26448 * i386.c (output_float_compare): Avoid GNU-C extensions.
26450 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26452 * version.c: Bump to distinguish mainline tree from the
26455 See ChangeLog.1 for earlier changes.