1 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3 * cpphash.c (trad_stringify): Adjust p after stringification as
6 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
8 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
9 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
11 * cppfiles.c (file_cleanup): Delete.
12 * cpphash.c (macro_cleanup): Delete.
13 (collect_objlike_expansion, collect_funlike_expansion,
14 macarg, scan_arguments): Remove CPP_POP case.
16 * cpplex.c (null_cleanup): Delete.
17 (cpp_pop_buffer): Do the work that was done in the cleanups
18 here. Call _cpp_unwind_if_stack from here.
19 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
20 cpp_scan_buffer): Run until we see CPP_EOF and the top of
21 stack is the buffer _below_ the one we stacked.
22 (cpp_get_token): Always pop an exhausted buffer. Return
23 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
24 * cpplib.c (skip_if_group): Don't call cpp_get_token to
25 increment the line number.
26 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
28 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
29 we see CPP_EOF and the top of stack is the buffer _below_ the
31 * scan-decls.c: Likewise.
33 2000-05-02 Andrew Haley <aph@cygnus.com>
35 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
36 where this function is called for the second time on a decl that
37 has had its section info changed in such a way as to move it out
39 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
41 2000-05-01 Richard Henderson <rth@cygnus.com>
43 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
44 the sequence we're moving, not to merge_bb->head.
46 2000-05-01 Richard Henderson <rth@cygnus.com>
48 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
49 reference to alpha/t-linux.
50 (alpha*-*-linux-gnu*): Likewise.
53 * calls.c (expand_call): Don't emit reg notes for a sibcall.
55 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
58 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
60 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
62 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
65 2000-05-01 Richard Henderson <rth@cygnus.com>
67 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
68 emit_conditional_move.
70 2000-05-01 Jakub Jelinek <jakub@redhat.com>
72 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
73 as the dynamic linker.
75 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
77 * cppfiles.c (open_include_file): Open file in blocking mode.
78 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
79 Only exclude block devices and directories.
81 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
82 static. Allocate the hashnode and its string in the same
84 (del_HASHNODE): Don't free h->name.
85 (_cpp_lookup): If there is no entry for this string, create
87 (_cpp_lookup_slot): Delete.
88 * cpphash.h: Update prototypes.
90 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
92 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
93 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
94 node here, just fill in the value field properly. "Delete"
95 entries by setting the value field to T_VOID. Check for
96 hp->type == T_VOID, not hp == NULL.
98 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
99 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
102 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
104 * config/mn10300/mn10300.c (print_operand_address): Do not add
107 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
108 adjusted by less than 256 bytes, use ret regardless of having any
109 callee-saved register to restore.
111 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
113 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
115 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
117 * config/i386/djgpp.h (INT_ASM_OP): Define.
118 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
119 (ASM_WEAKEN_LABEL): Define.
120 (MASK_BNU210): Define.
121 (SUBTARGET_SWITCHES): Define.
122 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
123 (MAKE_DECL_ONE_ONLY): Define.
124 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
126 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
128 * i386/cygwin.h (INT_ASM_OP): Define.
130 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
132 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
133 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
135 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
137 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
138 __tmp_reg__ and __zero_reg__ initialization.
140 2000-04-30 Richard Henderson <rth@cygnus.com>
142 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
144 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
145 referenced bewteen the condition and the jump. Don't delete
146 anything but the jump.
148 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
150 * bb-reorder.c (scope_def): New struct.
151 (scope_forest_info): New struct.
152 (struct reorder_block_def): New member "scope".
153 (REORDER_BLOCK_SCOPE): New macro.
154 (relate_bbs_with_scopes): New function and prototype.
155 (make_new_scope): Likewise.
156 (build_scope_forest): Likewise.
157 (remove_scope_notes): Likewise.
158 (insert_intra_1): Likewise.
159 (insert_intra_bb_scope_notes): Likewise.
160 (insert_inter_bb_scope_notes): Likewise.
161 (rebuild_scope_notes): Likewise.
162 (free_scope_forest_1): Likewise.
163 (free_scope_forest): Likewise.
164 (dump_scope_forest): Likewise.
165 (dump_scope_forest_1): Likewise.
166 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
167 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
169 (reorder_basic_blocks): Added calls to build_scope_scope_forest
170 and remove_scope_notes before reordering is done. Added calls to
171 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
172 after reordering is done.
174 2000-40-30 Bruce Korb <bkorb@gnu.org>
176 * fixinc/inclhack.def: Added definitions needed by OSR5,
177 removed two stale entries (defined away with OLD_CPP).
178 * fixinc/inclhack.sh: regen
179 * fixinc/fixincl.x: regen
181 2000-04-30 Richard Henderson <rth@cygnus.com>
183 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
184 from the last insn in the sequence.
186 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
188 * cpplex.c (cpp_idcmp): New function.
189 * cpplib.h: Prototype it.
190 * scan_decls.c (scan_decls): Use it to inspect token names.
191 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
192 the file being run through the preprocessor.
193 (check_macro_names): Provide length of token to cpp_defined.
195 * Makefile.in: Remove stale warning message.
197 * cppfiles.c (redundant_include_p): Provide length of token to
199 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
200 values are unsigned int.
201 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
202 (_cpp_lookup_slot): Do not calculate the hash, either.
203 * cpphash.h: Update prototypes.
204 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
205 Hashes are unsigned int. Calculate hash here, pass by value
208 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
210 * simplify-rtx.c (check_value_useless): Delete function.
211 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
213 (cselib_invalidate_regno): Likewise.
214 (cselib_invalidate_mem_1): Likewise.
215 (references_value_p): Recognize useless values by the fact that they
217 (discard_useless_values): Likewise.
218 (cselib_record_set): This may turn a useless value
221 2000-04-30 Richard Henderson <rth@cygnus.com>
223 * config/d30v: New port.
225 * configure.in (d30v-*): Set fp format.
226 * configure: Rebuild.
228 2000-04-30 Richard Henderson <rth@cygnus.com>
231 * Makefile.in (OBJS): Add it.
232 (ifcvt.o): New target.
233 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
234 and conditional arithmetic.
235 (find_insert_position): Remove.
236 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
237 * toplev.c (DFI_ce, DFI_ce2): New.
238 (dump_file): Add ce and ce2 dumps.
239 (rest_of_compilation): Run if_convert a couple o times. Set
240 cse_not_expected after cse2. Don't set no_new_pseudos until
241 after sched1 or recompute_reg_usage.
243 2000-04-30 Richard Henderson <rth@cygnus.com>
245 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
246 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
248 2000-04-30 Richard Henderson <rth@cygnus.com>
250 * flow.c (struct reg_cond_life_info): New.
251 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
252 (init_propagate_block_info): Initialize them.
253 (free_propagate_block_info): Destruct them.
254 (mark_set_1): Consider conditional life before killing a register.
255 (mark_regno_cond_dead): New.
256 (free_reg_cond_life_info): New.
257 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
258 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
259 (mark_used_reg): Record conditional life.
261 * haifa-sched.c (schedule_insns): Disable death counting
262 sanity check for HAVE_conditional_execution.
264 2000-04-30 Richard Henderson <rth@cygnus.com>
266 * Makefile.in (TIMEVAR_H): New.
267 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
268 (timevar.h): Remove rule.
270 2000-04-29 Richard Henderson <rth@cygnus.com>
272 * config/alpha/crtend.asm: Use C comments instead of #.
273 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
275 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
277 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
279 * cpphash.h (enum node_type: Take out T_MCONST.
280 (union hashval): Move into struct hashnode.
281 (struct hashnode): Pack tighter. Remove file, line, col
283 * cpphash.c: Constify most of the macro-definition structures.
284 (struct definition): Replace by struct object_defn
285 and struct funct_defn. Put file, line, column information
286 here. All users updated to match.
287 (_cpp_create_definition, _cpp_macroexpand): Remove special
288 case for #define WORD OTHERWORD.
289 * cpplib.c (do_undef): Remove T_MCONST case.
291 * cpphash.h: Move struct reflist, struct definition, and the
292 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
293 union hashval. _cpp_free_definition takes a HASHNODE pointer.
294 * cpphash.c (_cpp_free_definition): Free data pointed to by
295 MCONST, XCONST, MACRO, and FMACRO nodes properly.
296 (_cpp_create_definition, del_HASHNODE): Just call
297 _cpp_free_definition to clear out a hashnode.
298 * cpplib.c (do_pragma_poison): Likewise.
300 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
302 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
303 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
304 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
305 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
306 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
307 REGNO_AM33_P): Redefine in terms of the new macros.
308 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
309 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
310 STRUCT_VALUE): Likewise.
311 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
312 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
314 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
316 * regmove.c (struct record_stack_memrefs_data): New.
317 (record_stack_memrefs): New function.
318 (combine_stack_adjustments_for_block): Use it.
320 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
322 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
323 use special_function_p to detect alloca.
325 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
327 * gcc.texi: Fixes for makeinfo 4.0 --html.
329 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
331 * pcp.h: Delete file.
333 2000-04-28 Kazu Hirata <kazu@hxi.com>
335 * h8300.c (function_epilogue): Clean up flags when the last insn
336 in a function is a barrier.
338 2000-04-28 Chris Demetriou <cgd@sibyte.com>
340 * configure.in (sparc-hal-solaris2*): protect [] glob from
342 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
343 rather than hard-coded constants in target_cpu_default2.
344 * configure: Regenerate.
346 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
348 * tree.c (get_callee_fndecl): Extract the initial value from
351 2000-04-28 Richard Henderson <rth@cygnus.com>
353 * varasm.c (record_constant_1): Record the CODE_LABEL when
354 taking the address of a LABEL_REF.
356 2000-04-28 Richard Henderson <rth@cygnus.com>
357 Jan Hubicka <jh@suse.cz>
359 * calls.c (combine_pending_stack_adjustment_and_call): Return the
360 adjustment; don't do the stack adjust.
361 (expand_call): Call compute_argument_block_size right before
362 allocating the block; update comment; don't do alignment sanity
363 checking for sibling call; use args_size instead of
364 unadjusted_args_size before args_size is adjusted. Use
365 combine_pending_stack_adjustment_and_call to compute stack adjust
366 for must_preallocate case.
368 * expr.c (push_block): Remove shadow `temp' in inner scope.
370 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
372 * toplev.c (rest_of_compilation): Call
373 note_deferral_of_defined_inline_function even if the function
376 2000-04-28 Scott Bambrough <scottb@netwinder.org>
378 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
380 2000-04-28 Richard Henderson <rth@cygnus.com>
382 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
384 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
386 * timevar.c (init_timevar): DeANSIfy function definition.
388 2000-04-27 Alex Samuel <samuel@codesourcery.com>
390 * Makefile.in (timevar.o): Depend on flags.h.
391 * timevar.c (unused_stack_instances): New variable.
392 (timevar_push): Take a timevar_stack_def from
393 unused_stack_instances if available.
394 (timevar_pop): Push the popped timevar_stack_def onto
395 unused_stack_instances.
396 (TIMEVAR_ENABLE): New macro.
397 (timevar_def): Make standalone a 1-bit field. Add field used.
398 (get_time): Rename parameter to now. Return after clearing it if
400 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
401 (timevar_pop): Likewise.
402 (timevar_stop): Likewise.
403 (timevar_push): Likewise. Mark the timing variable as used.
404 (timevar_start): Likewise.
405 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
406 timevars that were never used.
408 2000-04-27 Mark Mitchell <mark@codesourcery.com>
410 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
411 always TREE_READONLY.
413 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
415 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
416 for call instruction with mode QImode.
418 2000-04-27 Alex Samuel <samuel@codesourcery.com>
420 * Makefile.in (OBJS): Add timevar.o.
421 (toplev.o): Depend on timevar.h.
422 (ggc-simple.o): Likewise.
423 (ggc-page.o): Likewise.
424 (timevar.o): New rule.
425 (timevar.h): New rule.
427 * timevar.h: New file.
428 * timevar.c: Likewise.
429 * timevar.def: Likewise.
431 * toplev.h (gc_time, parse_time, varconst_time): Remove.
432 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
434 (TIMEVAR): Remove macro.
435 (gc_time, parse_time, varconst_time, integration_time, jump_time,
436 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
437 flow_time, combine_time, regmove_time, sched_time,
438 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
439 sched2_time, dbr_sched_time, reorder_blocks_time,
440 rename_registers_time, shorten_branch_time, stack_reg_time,
441 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
443 (compile_file): Don't initialize time variables. Call
444 init_timevar and start TV_TOTAL timer. Call timevar_print instead
445 of many calls to print_time.
446 (rest_of_compilation): Add timing for reload_cse_regs.
447 (get_run_time): Removed to timevar.c.
448 (print_time): Likewise.
449 (get_run_time): Implement using TV_TOTAL time variable.
450 (print_time): Get total run time from get_run_time.
451 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
452 computing elapsed time explicitly.
453 * ggc-simple.c (ggc_collect): Likewise.
454 (gc_time): Remove declaration.
456 2000-04-27 Mark Mitchell <mark@codesourcery.com>
458 * calls.c (combine_pending_stack_adjustment_and_call): New function.
459 (expand_call): Use it.
461 2000-04-27 Jan Hubicka <jh@suse.cz>
463 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
466 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
468 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
471 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
473 * function.c (epilogue_done): Pass whole insn to record_insns.
475 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
477 * cse.c (CSE_ADDRESS_COST): Remove.
478 (find_best_addr): Add new parameter "MODE", use address_cost instead
481 (fold_rtx): Update call of find_best_addr.
482 * rtl.h (address_cost): Declare.
483 * loop.c (general_induction_var): Add new parameter "MODE", use
484 address_cost instead of ADDRESS_COST
485 (init_loop): Use address_cost instead of ADDRESS_COST.
486 (check_insn_for_givs): Update call of general_induction_var.
487 (find_mem_givs): Likewise.
488 (consec_sets_giv): Likewise.
489 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
490 * i386.c (ix86_address_cost): New.
491 * i386-protos.h (ix86_address_cost): Declare.
493 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
495 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
498 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
500 * expr.c (store_expr): Use clear_storage instead of direct memset
503 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
505 * config/mn10300/mn10300.c (mn10300_address_cost): Test
506 ASHIFT, AND and LABEL_REF.
508 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
510 * invoke.texi (-foptimize-sibling-calls): Fix.
512 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
514 * loop.c (load_mems) Don't use hard registers for the hoisting.
516 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
517 calculation; rename const_equiv array in the preconditioning code
518 from loop_unroll to loop_unroll_precondition
520 2000-04-27 Richard Henderson <rth@cygnus.com>
522 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
524 (propagate_one_insn): Clear it. Don't update reg_live here.
525 (init_propagate_block_info): Update for pbi member changes.
526 (free_propagate_block_info): Likewise.
527 (mark_set_1): Know that zero_extract, sign_extract, and
528 strict_low_part don't kill their argument. Alter hard subregs.
529 Update new_set for non-CLOBBER sets. Update reg_live.
530 (find_auto_inc): Update reg_live, not new_dead.
531 (mark_used_reg): Update reg_live, not new_live. Examine new_set
532 to determine if the reg in question was set this insn. Only update
533 reg info with PROP_REG_INFO.
535 2000-04-26 Richard Henderson <rth@cygnus.com>
537 * flow.c (allocate_reg_life_data): Set max_regno here ...
538 (life_analysis): ... not here.
540 * flow.c (calculate_global_regs_live): Force stack pointer
543 2000-04-26 Richard Henderson <rth@cygnus.com>
545 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
546 commit change group changes.
547 (invert_exp_1): Similarly.
548 (redirect_exp, invert_exp): Use them.
549 (redirect_jump_1): New.
550 (invert_jump_1): New.
551 (jump_optimize_1): Remove code subsumed by condexec.c.
552 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
554 2000-04-26 Richard Henderson <rth@cygnus.com>
556 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
558 * genconfig.c (main): Set all HAVE_foo to 1.
560 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
562 2000-04-26 Alex Samuel <samuel@codesourcery.com>
564 * invoke.texi: Document -fssa flag.
566 2000-04-26 Richard Henderson <rth@cygnus.com>
568 * flow.c (count_reg_sets_1): Remove.
569 (count_reg_sets, count_reg_references): Remove.
570 (recompute_reg_usage): Implement with update_life_info.
571 Reallocate life data.
573 2000-04-26 Richard Henderson <rth@cygnus.com>
575 * flow.c (update_life_info): Consider blocks null to mean the
577 (calculate_global_regs_live): Likewise.
578 (life_analysis): Do that instead of collecting all_blocks.
580 2000-04-26 Richard Henderson <rth@cygnus.com>
582 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
583 a still-valid conditional jump.
585 2000-04-26 Richard Henderson <rth@cygnus.com>
587 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
589 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
590 * flow.c (calculate_loop_depth): Remove.
591 * output.h (calculate_loop_depth): Don't declare.
592 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
593 inline; run estimate_probability at the same time.
595 2000-04-26 Neil Booth <NeilB@earthling.net>
597 * cpplib.h: "~=" is not a single pp-token.
598 * cpplex.c: Correct commentary.
600 2000-04-26 Richard Henderson <rth@cygnus.com>
602 * flow.c (mark_set_1): New arguments code and flags; update all
603 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
604 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
605 loop_depth when optimizing for size. Do new_dead update after
606 emitting REG_UNUSED notes. Merge mark_set_reg code.
607 (mark_set_reg): Remove.
608 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
609 arrange to not emit REG_UNUSED notes.
611 2000-04-26 Richard Henderson <rth@cygnus.com>
613 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
614 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
616 2000-04-26 Richard Henderson <rth@cygnus.com>
618 * flow.c (propagate_one_insn): Break out from propagate_block.
619 (init_propagate_block_info): Likewise.
620 (free_propagate_block_info): Likewise.
621 (propagate_block): Use them. Export.
622 * basic-block.h: Declare them all.
624 2000-04-26 Richard Henderson <rth@cygnus.com>
626 * basic-block.h (life_analysis): Declare here ...
627 * output.h: ... not here.
628 * flow.c (life_analysis): Remove nregs parameter; replace
629 remove_dead_code with flags. Remove ssa dead code check.
630 Only init alias analysis if we'll use it.
631 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
632 * ssa.c (convert_to_ssa): Likewise.
633 (convert_from_ssa): Likewise.
634 * toplev.c (rest_of_compilation): Likewise.
636 2000-04-26 Richard Henderson <rth@cygnus.com>
638 * flow.c (flow_delete_block): Rename from delete_block. Export.
639 * basic-block.h (flow_delete_block): Declare.
641 2000-04-26 David S. Miller <davem@redhat.com>
643 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
644 taking a PATTERN of it.
646 2000-04-26 <NeilB@earthling.net>
648 * cpplex.c (spell_other, spell_char): Remove.
650 (token_spelling, trigraph_map): Use unsigned chars.
651 (_cpp_lex_line): Tidy up the switch statement.
652 * cpplib.h: Implement spell_char with spell_string.
655 2000-04-26 <RodneyBrown@pmsc.com>
657 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
658 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
660 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
662 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
663 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
664 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
665 dwarf2out_return_save, dwarf2out_return_reg,
666 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
667 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
668 gen_compile_unit_die, dwarf2out_init): Constify a char*.
670 * dwarf2out.h (dwarf2out_init): Likewise.
672 * dwarfout.c (filename_entry, primary_filename, last_filename,
673 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
675 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
676 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
677 dwarf2out_return_reg): Likewise.
679 2000-04-26 Andreas Jaeger <aj@suse.de>
681 * extend.texi (Function Attributes): Fix description of pure
684 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
686 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
687 before calling rest_of_compilation.
689 2000-04-26 Andreas Jaeger <aj@suse.de>
691 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
694 2000-04-25 Richard Henderson <rth@cygnus.com>
696 * cse.c (cse_insn): Emit barrier after unconditional jump.
698 * calls.c (expand_call): Disable tail call generation once
699 rtx_equal_function_value_matters is false.
701 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
704 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
706 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
708 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
710 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
711 is the primary DIE for a member function.
712 (gen_decl_die): Call set_decl_origin_self here.
713 * dwarfout.c (output_decl): And here.
714 * integrate.c (output_inline_function): Not here.
715 Don't clear DECL_INLINE until after calling rest_of_compilation.
716 (set_decl_origin_self): No longer static.
717 * tree.h: Add prototype.
718 * toplev.c (note_deferral_of_defined_inline_function): Only write
719 out abstract instance for actual inlines.
721 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
723 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
724 EXTENDED_REGS only if TARGET_AM33.
725 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
726 SP_REGS to register allocation and reloading unless absolutely
728 (movsi3): Remove special-case of adding non-constants to SP.
730 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
732 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
733 INCLUDES to search and does not provide any of its own. Also it
734 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
735 parameters. Also it does not call AC_DEFINE.
736 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
737 AC_DEFINE and provides for automatic entries for autoheader.
738 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
740 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
741 so we can pass -I flags and include gansidecl.h/system.h in this
744 * acconfig.h: Delete all NEED_DECLARATION_* entries.
746 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
749 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
750 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
752 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
753 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
754 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
755 for these macros. Clean up spacing and linewraps.
757 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
759 * calls.c (expand_call): Use get_callee_fndecl.
761 * print-tree.c (print_node): Print the chain of an _EXPR.
763 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
764 Jim Wilson <wilson@cygnus.com>
765 Andrew Haley <aph@cygnus.com>
767 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
768 and gp save/restore problems.
769 * config/ia64/crtend.asm: Add IA-64 unwind support.
770 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
771 in fr_pad_size calculation.
772 (save_restore_insns): Move PR save area. Correct uses of
774 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
775 (ia64_expand_epilogue): Add eh_epilogue support.
776 (ia64_function_prologue): Emit .prologue directive.
777 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
778 (ia64_override_options): Set init_machine_status and
780 (rtx_needs_barrier): Handle bsp reads and writes.
781 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
782 New static variables.
783 (process_set, process_for_unwind_directive): New functions.
784 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
785 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
786 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
788 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
789 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
790 (struct machine_function): Define.
791 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
793 2000-04-25 Bruce Korb <bkorb@gnu.org>
795 * fixinc/Makefile.in: make the removal of old programs more
797 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
798 install-bin and install-sh
800 2000-04-25 Nick Clifton <nickc@cygnus.com>
802 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
803 defined, define to return zero.
804 (function_cannot_inline_p): If a function has any target
805 specific attributes, then use the macro
806 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
807 whether it can be inlined. If it cannot, issue a suitable
810 * tm.texi: Add a new node 'Inlining' to document the new macro
811 FUNCTION_ATTRIBUTE_INLINABLE_P.
813 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
815 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
818 2000-04-25 Neil Booth <NeilB@earthling.net>
820 Restore previous patch, plus the following fixes:
822 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
823 flags, not CPP_OPEN_PAREN.
824 * cpplex.c (expand_token_space, init_token_list,
825 cpp_free_token_list): Put the dummy token at list->tokens[-1].
826 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
828 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
830 * config/i386/freebsd.h (INT_ASM_OP): Define.
832 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
834 * loop.c (strength_reduce): Fix typo in the last checkin.
836 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
838 * stor-layout.c (finalize_record_size): Simplify to use existing
840 (compute_record_mode): No longer static.
841 * tree.h (compute_record_mode): New declaration.
843 2000-04-25 Neil Booth <NeilB@earthling.net>
845 * Revert my patch below until cause of build failures
848 2000-04-25 Richard Henderson <rth@cygnus.com>
850 * combine.c (combine_instructions): Add missing argument
853 * toplev.c (rest_of_compilation): Delay sibcall optimization
854 until after emit_eh_context.
856 2000-04-24 Nick Clifton <nickc@redhat.com>
858 * combine.c (combine_instructions): Do not try to combine a
859 sequence of insns when the second insn has been replaced by a
862 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
864 * gcc.c (load_specs): New static function.
865 (read_specs): Use it.
867 * gcc.c (lookup_compiler): Make multiple passes for case
868 insensitive filesystems.
870 2000-04-24 Neil Booth <NeilB@earthling.net>
872 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
873 * cpphash.h (_cpp_check_directive): new.
874 * cpplex.c (handle_newline, cpp_free_token_list,
875 init_trigraph_map, trigraph_ok, trigraph_replace,
876 backslash_start, skip_block_comment, skip_line_comment,
877 skip_whitespace, parse_name, parse_number, parse_string,
878 copy_comment, _cpp_lex_line, spell_char, spell_string,
879 spell_comment, spell_name, spell_other, _cpp_lex_file,
880 _cpp_output_list): new.
881 (expand_name_space): take length argument.
882 (init_token_list): add comment list initialisation.
883 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
884 instead of HSPACE_BEFORE.
886 * cpplib.c (_cpp_check_directive): new
887 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
888 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
889 (HSPACE_BEFORE): delete.
890 (TTYPE_TABLE): rearrange.
891 (struct cpp_toklist): update.
893 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
896 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
897 argument form of AC_DEFINE.
899 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
900 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
901 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
902 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
903 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
905 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
907 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
910 deduced.h): Use -isystem, not -I, for including system headers.
912 2000-04-24 Nick Clifton <nickc@cygnus.com>
914 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
915 the source register is the frame pointer or arg pointer.
916 (addsi3_small_int): Disallow if source register is the frame
917 pointer or arg pointer.
919 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
921 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
922 call to AC_MSG_RESULT.
924 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
926 * invoke.texi: Correct grammatical errors, document
927 -fno-gnu-keywords as identical to -fno-asm for C++.
929 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
931 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
932 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
933 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
934 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
935 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
937 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
938 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
939 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
940 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
943 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
945 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
946 (pop_alignment): Likewise.
947 (handle_pragma_token): Likewise.
949 2000-04-24 Robert Lipe <robertlipe@usa.net>
951 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
953 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
955 * combine.c (try_combine): Update reg_nonzero_bits of
956 newi2pat before newpat.
958 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
960 * loop.c (strength_reduce): Simplify test to INSN_P.
961 (record_giv): Attempt to simplify the add value, use CONSTANT_P
962 expressions instead of CONST_INT.
963 (express_from_1): Likewise.
965 2000-04-24 Mark Mitchell <mark@codesourcery.com>
967 * regs.h (reg_n_max): Don't declare.
968 * flow.c (reg_n_max): Don't define.
969 * regclass.c (renumber): Don't initialize to zero.
970 (regno_allocated): Likewise.
972 (allocate_reg_info): Don't initialize unnecessarily.
974 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
976 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
977 and blockage_p in the newly allocated attribute.
979 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
981 * config/mn10300/mn10300.md (addsi): `inc4' on address
982 registers does not modify cc, but `inc' on an extended
985 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
987 * reload.c (find_equiv_reg): Checks all valueno regs
988 as a reload_reg_p regs.
990 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
992 * cpphash.c (collect_objlike_expansion): Add sanity check.
993 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
994 the buffer is the empty string, return. Mark __DATE__ and
995 __TIME__ as XCONST nodes, not MCONST.
996 (_cpp_macroexpand): Avoid pushing an empty buffer.
997 (funlike_macroexpand): Don't pop token_buffer here.
999 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1001 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1002 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1003 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1004 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1005 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1006 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1007 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1009 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1011 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1014 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1016 * cpphash.h (struct definition): Move file, line, col members...
1017 (struct hashnode): ... here. Also add 'disabled' flag.
1018 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1019 T_IDENTITY. Remove T_DISABLED.
1022 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1023 (collect_expansion): Split into collect_objlike_expansion and
1024 collect_funlike_expansion.
1025 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1026 funlike_macroexpand.
1027 (_cpp_compare_defs): Rename compare_defs, make static.
1028 (_cpp_make_hashnode): Initialize hp->disabled.
1029 (macro_cleanup): Adjust for new token types. Clear
1031 (_cpp_create_definition): Move code here to determine what
1032 sort of macro it is, and code to check for redefinitions, from
1033 do_define. Implement a few simple cases without creating a
1035 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1036 Handle the simple cases.
1037 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1040 * cppinit.c (builtin_array): Change MCONST to XCONST
1042 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1043 fix check for disabled and function-like macros.
1044 * cpplib.c (do_define): Move most logic to
1045 _cpp_create_definition.
1046 (do_undef): Handle new special token types.
1048 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1050 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1051 of CONSTANT_P for mult_val; always use validate_change to update insn.
1053 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1055 * cpphash.c (trad_stringify, add_pat): New functions.
1056 (collect_expansion): Restore support for -traditional syntax.
1057 Use trad_stringify and add_pat.
1058 (_cpp_macroexpand): Restore support for -traditional semantics.
1059 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1060 get a COMMENT token.
1061 (_cpp_lex_token): Provide COMMENT tokens to caller if
1062 traditional and parsing_define_directive.
1063 (skip_comment): Warn about // comments if -Wtraditional.
1064 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1066 (do_undef): Don't warn about undefining EMPTY nodes.
1068 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1070 * loop.c (strength_reduce): Fix biv removal code.
1072 2000-04-22 Richard Henderson <rth@cygnus.com>
1074 * predict.c (estimate_probability): Examine both sides of
1075 a branch for no exits. Use 90% not 50% for predict taken.
1076 Reorg for one copy of note generation code.
1078 2000-04-22 Richard Henderson <rth@cygnus.com>
1080 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1082 2000-04-22 Richard Henderson <rth@cygnus.com>
1084 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1085 (output_clear): Likewise.
1086 (output_printf): Use va_copy.
1087 (vline_wrapper_message_with_location): Likewise.
1088 (v_message_with_decl): Likewise.
1089 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1090 * system.h (va_copy): Provide default implementation.
1092 2000-04-22 Richard Henderson <rth@cygnus.com>
1094 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1095 the collected condition is not a constant.
1097 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1099 * diagnostic.h: New file.
1101 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1103 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1104 various function prototypes.
1105 (diagnostic.h): #include.
1106 (struct output_buffer): Move into diagnostic.h.
1107 (get_output_prefix): Rename to output_get_prefix. Export.
1108 (init_output_buffer): Export. Break out. Ajust intialization.
1109 (output_space_left, output_append): Export.
1110 (output_newline): Rename to output_add_newline. Export.
1111 (output_clear): Nullify additional output_buffer fields.
1112 (output_puts): Rename to output_add_string. Export.
1113 (dump_output): Rename to output_flush_on. Export.
1114 (build_location_prefix): Constify return-type.
1115 (emit_output_prefix): Rename to output_emit_prefix. Export.
1116 (set_real_maximum_length): New function.
1117 (output_set_maximum_length): Ditto
1118 (output_clear): Ditto.
1119 (output_add_character): Ditto.
1120 (output_add_integer): Ditto.
1121 (output_add_space): Ditto.
1122 (output_format): Ditto.
1123 (output_printf): Adjust buffer initialization.
1124 (vline_wrapper_message_with_location): Ditto.
1125 (v_message_with_decl): Ditto. Adjust call to output_puts
1126 and get_output_prefix.
1127 (default_print_error_function): Adjust buffer intialization.
1129 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1131 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1134 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1136 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1139 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1141 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1142 accurate data about SP moves.
1144 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1146 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1147 aliases to AM33 registers.
1149 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1151 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1152 to all EXTENDED bitmaps.
1154 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1156 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1157 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1158 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1160 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1162 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1163 the operand is not constant.
1165 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1167 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1168 as a call-clobbered regs.
1170 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1172 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1174 * rtl.def: Update comment.
1175 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1176 * integrate.c (expand_inline_function): Likewise.
1177 * profile.c (branch_prob): Likewise.
1178 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1179 * print-rtl.c (print_rtx): Likewise.
1180 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1181 (reemit_notes): Likewise; also use enum insn_note.
1183 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1184 (place_field): Properly compute know and actual alignment.
1186 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1189 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1192 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1194 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1195 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1196 (collect_expansion): Rewrite to scan over a token list.
1197 Remove -traditional support.
1198 (collect_formal_parameters): Rename to collect_params; rewrite
1199 to scan over a token list.
1200 (_cpp_create_definition): Adjust to scan a token list.
1201 (_cpp_macroexpand): Remove -traditional support.
1202 (_cpp_compare_defs): Whitespace is now canonicalized.
1203 (comp_def_part): Delete function.
1205 * cpphash.h: Update prototypes.
1206 * cpplex.c (init_token_list): Don't set lineno if there is no
1208 (pedantic_whitespace): New function.
1209 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1210 consume a newline. Use pedantic_whitespace.
1211 (_cpp_lex_token): Remove support for -traditional macros.
1212 (_cpp_get_define_token): Delete.
1213 (_cpp_get_directive_token): Do the real work here. Use
1214 pedantic_whitespace.
1215 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1217 * cpplib.c (get_macro_name): Delete.
1218 (do_define): Read the entire line into pfile->directbuf, then
1219 feed the token list to _cpp_create_definition.
1220 * cpplib.h (HSPACE_BEFORE): new define.
1221 (struct cpp_reader): Add a toklist member, "directbuf".
1223 * predict.c (estimate_probability): New heuristic: if a jump
1224 branches around a block with no successors, predict it taken.
1225 Disentangle control flow.
1227 2000-04-20 Richard Henderson <rth@cygnus.com>
1229 * loop.c (emit_iv_add_mult): Revert last change.
1231 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1233 * cpplib.h (enum cpp_ttype): Add token types for all
1234 punctuators. Distinguish pp-numbers from valid C numbers.
1235 Give some tokens better names. Initialize from macro.
1236 (struct cpp_name, cpp_token, cpp_toklist): New data
1239 * cpplex.c (bump_column, expand_name_space,
1240 expand_token_space, init_token_list, cpp_output_list,
1241 _cpp_scan_line): New functions.
1242 (output_line_command): Add third argument, new line number.
1243 * cpphash.h: Update prototypes.
1244 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1247 2000-04-20 Richard Henderson <rth@cygnus.com>
1249 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1251 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1253 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1256 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1258 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1259 REG_EQUAL note explaining the calculated value.
1261 * calls.c (expand_call): Avoid unnecesary precalculation
1262 and outgoing parameters space guarding for sibling calls.
1263 (store_one_arg): Likewise.
1265 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1267 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1268 (rest_of_compilation): Write sibling dump file and account
1269 for time as jump time.
1270 * invoke.texi: Update documentation on dump flags.
1272 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1274 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1276 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1278 * cpphash.c (special_symbol): Represent an empty macro with
1279 "\r \r " not just "\r ".
1280 (_cpp_macroexpand): Correct condition for the foo ( ) special
1282 (unsafe_chars): Handle EOF as second argument.
1283 (push_macro_expansion): Simplify test for removing escape at
1284 end. Do not trim both escapes if there is no text in between.
1286 2000-04-19 Jim Blandy <jimb@redhat.com>
1288 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1289 of PTR_SIZE, when appropriate.
1291 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1293 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1294 (USE_ENUM_BITFIELDS): Fix typo.
1296 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1298 * stor-layout.c (place_field): Set rli->offset_align properly.
1300 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1302 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1303 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1304 PARM_BOUNDARY): Remove unnecessary casts.
1306 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1308 * calls.c (precompute_arguments): Remove must_preallocate and
1310 (expand_call): Update call of precompute_arguments.
1312 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1313 check_insn_for_givs): Break out from ...
1314 (strength_reduce) ... here; use for_every_insn_in_loop to call
1315 check_insn_for_givs.
1316 * loop.h (for_every_insn_in_loop): Declare.
1317 (loop_insn_callback): New type.
1319 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1321 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1324 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1326 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1329 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1331 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1333 * configure.in: Delete --disable-cpplib option and all
1334 references to cpp_main.
1335 * configure: Regenerate.
1336 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1337 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1338 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1339 cpp$(exeext). Add --no-headers to makeinfo command line when
1340 generating INSTALL. Install and uninstall cpp.1 manpage, not
1342 * install.texi: Delete all references to cexp.y/cexp.c.
1343 Delete ancient instructions for compiling GCC on 3b1.
1344 * INSTALL: Regenerate.
1346 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1347 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1348 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1350 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1351 which is no longer tested anywhere.
1353 * cppinit.c (handle_option): Don't run error message through
1356 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1358 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1359 * cpperror.c (hashtab.h): Now include.
1360 * cppexp.c (hashtab.h): Likewise.
1361 * cpplex.c (hashtab.h): Likewise.
1362 * cppfiles.c (hashtab.h): Likewise.
1363 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1364 to htab_find_slot_with_hash.
1365 * cpphash.c (hashtab.h): Now include.
1366 (_cpp_lookup_slot): INSERT is now enum insert_option.
1367 * cpphash.h (_cpp_lookup_slot): Likewise.
1368 * cppinit.c (hashtab.h): Include earlier.
1369 (initialize_builtins): Pass enum to htab_find_slot.
1370 * cpplib.c (hashtab.h): Now include.
1371 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1372 (do_pragma_poison, do_assert): Likewise.
1373 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1374 htab_find_slot_with_hash.
1375 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1376 * tree.c (type_hash_add): Likewise.
1377 (build1): Minor cleanup.
1379 * ggc-common.c: Add missing blanks.
1380 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1381 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1383 * stmt.c (mark_case_node): New function.
1384 (mark_case_nesting): Call it.
1386 * expmed.c (emit_store_flag): If comparing two-word integer
1387 with zero, can optimize NE, EQ, GE, and LT.
1389 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1390 * conflict.c: Minor cleanups.
1391 * optabs.c: Add blank line
1392 * simplify-rtx.c: Minor cleanups.
1394 2000-04-18 Stan Cox <scox@cygnus.com>
1396 * gengenrtl.c (genlegend): Fix misspelling.
1398 2000-04-18 Robert Lipe <robertlipe@usa.net>
1400 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1401 bitfields of the host compiler are not signed quantities.
1402 * config.in: Regenerate.
1403 * configure: Regenerate.
1404 * system.h (USE_ENUM_BITFIELDS): Added.
1405 (ENUM_BITFIELDS): Added.
1406 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1407 (SHORT_ENUM_BUG): Deleted.
1408 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1410 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1411 (CODE_FIELD_BUG): Likewise.
1412 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1414 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1416 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1418 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1421 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1423 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1424 * cpplib.c (do_include, do_import, do_include_next,
1425 read_line_number, detect_if_not_defined): Likewise.
1426 * cpphash.c (collect_expansion): Likewise.
1427 (special_symbol, _cpp_macroexpand): Check return from
1429 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1430 macros. Delete all uses.
1432 * gcc.dg/cpp-mi.c: Add two more test cases.
1433 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1435 2000-04-17 Richard Henderson <rth@cygnus.com>
1437 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1438 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1440 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1442 * function.c (expand_function_start): Use hard_function_value to
1443 compute the RTL to use for DECL_RESULT.
1445 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1447 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1448 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1449 x86_memory_mismatch_stall): New global variables.
1450 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1451 alloved; fix load penalties for Athlon.
1452 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1453 x86_memory_mismatch_stall): Declare.
1454 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1455 TARGET_MEMORY_MISMATCH_STALL): New.
1456 * i386.md (athlon scheduling parameters): Fix latencies according to
1457 Athlon Optimization Manual.
1458 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1460 (fsqrt instruction patterns): Set athlon_decode to direct.
1461 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1462 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1463 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1464 and TARGET_PARTIAL_REGISTER_STALL machines.
1465 (pushdf_nointeger): New pattern.
1466 (pushdf_integer): Rename from pushdf.
1467 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1468 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1470 2000-04-17 Richard Henderson <rth@cygnus.com>
1472 * loop.c (canonicalize_condition): Add WANT_REG argument.
1473 Stop the search if we match it.
1474 * expr.h (canonicalize_condition): Update decl.
1475 * predict.c (expected_value_to_br_prob): Use it. Track last
1476 expected value note.
1477 (find_expected_value): Remove.
1479 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1481 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1483 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1484 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1486 * configure.in: Call AC_FUNC_MMAP_FILE.
1487 * configure: Regenerate.
1488 * config.in: Regenerate.
1490 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1491 * fixinc/fixincl.c: Likewise.
1493 2000-04-17 Richard Henderson <rth@cygnus.com>
1495 * builtins.c (expand_builtin_expect): New.
1496 (expand_builtin): Call it.
1497 * builtins.def (BUILT_IN_EXPECT): New.
1498 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1499 * extend.texi: Document it.
1501 * predict.c (expected_value_to_br_prob): New.
1502 (find_expected_value): New.
1503 * basic-block.h (expected_value_to_br_prob): Declare.
1504 * toplev.c (rest_of_compilation): Invoke it.
1506 * rtl.h (NOTE_EXPECTED_VALUE): New.
1507 (NOTE_INSN_EXPECTED_VALUE): New.
1508 * rtl.c (note_insn_name): Update.
1509 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1510 cases; handle NOTE_INSN_EXPECTED_VALUE.
1512 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1514 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1515 leaf sibcall delay slot if flag_pic.
1516 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1518 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1520 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1522 * fixproto: If fix-header fails, exit with an error.
1524 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1526 * cse.c (struct check_depdendence_data): New.
1527 (check_dependence): New function.
1528 (invalidate): Use check_depdenence.
1530 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1532 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1533 UNITS_PER_WORD is unsigned.
1535 * tree.h (struct tree_common): Remove misleading comment.
1537 2000-04-16 Dave Pitts <dpitts@cozx.com>
1539 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1540 message in quotes. Otherwise, IBM's make program treats the '#' as the
1541 start of a comment and ignores the remainder of the line.
1543 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1545 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1546 * cexp.y (initialize_random_junk): Likewise.
1547 * cppfiles.c (find_include_file): Cast alloca return value.
1548 * cppinit.c (initialize_standard_includes): Likewise.
1549 * cpplib.c (cpp_define, cpp_undef): Likewise.
1550 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1551 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1552 * fold-const.c (CHARMASK): New.
1553 (real_hex_to_f): Use it.
1554 * real.c (CHARMASK): New.
1555 (etoasc, asctoeg): Use it.
1556 (asctoeg): EBCDIC lower case characters preceed upper case.
1558 * i370.c (mvs_add_label): Change spacing for coding conventions.
1559 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1560 outputing case vectors.
1561 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1562 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1563 since vector in in the data CSECT.
1564 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1565 * i370.md (Many patterns): Put the length in the XL directives.
1566 (movdi): Put back STM and MVC in definition.
1567 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1568 pattern using the TCA.
1569 * oe.h (CPP_SPEC): Added to allow trigraphs.
1570 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1571 not support the "long long" type.
1573 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1575 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1577 (mips_reg_mode_ok_for_base_p): Likewise.
1578 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1579 (REG_OK_FOR_INDEX_P): Define unconditionally.
1580 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1581 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1582 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1583 that GET_MODE_SIZE is unsigned.
1584 (mips_reg_mode_ok_for_base_p): Define.
1585 (mips_legitimate_address_p): Likewise. Adjust now
1586 that GET_MODE_SIZE is unsigned.
1587 (block_move_loop): Make the number of bytes unsigned.
1588 (expand_block_move): Likewise.
1589 (function_arg): Make the loop counter unsigned to match the
1592 2000-04-16 Richard Henderson <rth@cygnus.com>
1594 * rtl.h (enum insn_note): New enumeration. Subsume
1595 NOTE_INSN_DELETED and friends.
1596 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1597 * rtl.c (note_insn_name): Tweak string order.
1599 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1601 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1604 * cpplex.c (output_line_command): Remove debugging prints.
1605 (cpp_output_tokens): Don't write out a zero-length buffer or
1606 try to see if it has a newline in it.
1607 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1608 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1609 the end of the loop. Use memmove. Don't read past the end of
1610 the buffer. Remove trailing newlines from error messages.
1612 2004-04-16 Neil Booth <NeilB@earthling.net>
1614 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1615 * cpplib.c: Add new syntax flags to directive table, and
1618 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1620 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1623 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1625 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1626 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1628 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1630 * Makefile.in (ggc-page.o): Now includes toplev.h.
1631 * ggc-page.c (toplev.h): Now included.
1632 (gc_time): Remove declaration.
1633 (ggc_collect): TIME now long.
1634 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1636 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1638 * toplev.c: Make *_time variable long to reduce chance of overflow.
1639 (TIMEVAR): Likewise for `otime'.
1640 (print_time): Arg is now long; compute percentage in FP and round.
1641 * toplev.h (print_time): Arg is long.
1643 * tree.c: Minor whitespace changes.
1645 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1646 * configure: Rebuilt.
1647 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1648 (__fixunsxfDI): Renamed from __fixunsxfdi.
1649 (__fixunsdfDI): Renamed from __fixunsdfdi.
1650 (__fixunssfDI): Renamed from __fixunssfdi.
1651 (__floatdisf): Use proper type in REP_BIT macro.
1652 (__fixunsxfSI): Renamed from __fixunsxfsi.
1653 (__fixunsdfSI): Renamed from __fixunsdfsi.
1654 (__fixunssfSI): Renamed from __fixunssfsi.
1655 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1656 Change location of macros and upper-case some names as above.
1657 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1658 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1660 * varasm.c (assemble_variable): Add cast to remove warning.
1661 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1663 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1664 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1665 region number to -1.
1667 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1669 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1670 call unshare_all_rtl.
1672 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1674 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1676 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1677 Use .s1 not .s0 for all FP instructions.
1679 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1681 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1683 (safe_fwrite, output_line_command): New static functions.
1684 (cpp_expand_to_buffer): Now private to cpplib.
1685 (cpp_scan_buffer): Take a printer.
1687 * cpphash.h: Update prototypes.
1688 * cpplib.h: Update prototypes.
1690 (cpp_buffer): Remove last_nominal_fname.
1691 (cpp_reader): Remove lineno.
1693 * cppmain.c: Use a cpp_printer.
1694 * fix-header.c: No need to inhibit line commands. Call
1695 cpp_start_read with no printer.
1697 * cpperror.c (cpp_notice_from_errno): Provide default name.
1698 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1699 (find_include_file, cpp_read_file): Use make_IHASH.
1700 (file_cleanup): Set control_macro and clear
1701 input_stack_listing_current here.
1702 (_cpp_execute_include): Don't output entering-file marker.
1703 * cpphash.c (special_symbol): Look for the line number in the
1704 buffer, not the reader.
1705 (_cpp_macroexpand): No need to disable line commands.
1706 (_cpp_dump_definition): No need to generate line commands.
1707 (dump_hash_helper): Remove excess newline from output.
1708 * cppinit.c (dump_special_to_buffer): No need to generate line
1710 (cpp_printer_init): New.
1711 (cpp_start_read): Take a printer, and start it up if it's not
1712 NULL. No need to generate line commands.
1713 (cpp_finish): Expect no buffers stacked at all. Take a
1714 printer argument, and flush the output buffer if it's not
1716 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1717 Don't put two hashes at the beginning of an assertion.
1718 (cpp_get_token): Don't increment pfile->lineno or emit line
1719 commands here. Return EOF if there's no buffer when we get
1721 * cpplib.c (do_define, skip_if_group):
1722 No need to disable line commands.
1723 (_cpp_output_line_command): Delete function.
1724 (do_line): Don't emit line commands here, but set things up so
1725 they will be emitted if necessary. Use _cpp_fake_ihash to
1726 make unique nominal_fnames if necessary.
1727 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1728 with 0 for column, not -1.
1729 (_cpp_handle_eof): Don't set the control macro here. Don't
1730 clear input_stack_listing_current here. Don't emit line
1733 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1735 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1736 always, use the default SVR4 start address.
1738 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1739 (LINK_SHLIB_SPEC): Define.
1740 (LINK_START_DEFAULT_SPEC): Define.
1741 (LINK_OS_DEFAULT_SPEC): Define.
1743 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1745 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1746 __do_global_ctors to handle constructors.
1747 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1748 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1749 (STARTFILE_MVME_SPEC): Likewise.
1750 (STARTFILE_SIM_SPEC): Likewise.
1751 (ENDFILE_ADS_SPEC): Use crtend.
1752 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1753 (ENDFILE_MVME_SPEC): Likewise.
1754 (ENDFILE_SIM_SPEC): Likewise.
1755 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1756 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1757 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1758 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1759 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1760 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1761 (CRTSTUFF_T_CFLAGS_S): Define.
1762 * config/rs6000/eabi-ctors.c: Delete.
1764 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1767 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1771 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1773 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1774 plus mask size is smaller or equal to the mode size.
1776 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1778 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1781 * expr.c (reload.h): Now included.
1782 (emit_block_move): Set volatile_ok when checking for movstr.
1783 (emit_move_1): Check for replacements in addresses in multi-word case.
1784 * Makefile.in (expr.o): Now includes reload.h.
1786 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1787 Never have a LIBCALL end a basic block.
1788 (find_basic_blocks_1): Likewise.
1789 Reorganize CALL_INSN cases.
1791 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1793 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1795 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1796 completers from mov.ret instruction.
1798 2000-04-14 Richard Henderson <rth@cygnus.com>
1800 * fold-const.c (extract_muldiv): Don't distribute and widen
1801 multiply across plus for non-sizetype unsigned types.
1803 2000-04-14 Richard Henderson <rth@cygnus.com>
1805 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1806 If the original source is dead in the incr insn, it's dead now.
1808 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1810 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1811 see if DECL_BIT_FIELD needs to still be set.
1813 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1815 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1816 print_int_cst_octal with something that's not an INTEGER_CST.
1818 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1819 and not a SUBREG to a FLOAT rtl.
1821 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1823 * emit-rtl.c (try_split): Avoid infinite loop if the split
1824 results in a sequence that contains the original insn.
1826 2000-04-13 Andreas Jaeger <aj@suse.de>
1828 * config/mips/mips.c (expand_block_move): Pass alignment
1829 argument to move_by_pieces in bits, not bytes.
1831 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1832 __pic__ for little endian.
1834 2000-04-13 Andreas Jaeger <aj@suse.de>
1836 * config/i386/i386-protos.h: Add prototype for
1837 uno_comparison_operator.
1839 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1841 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1842 * calls.c (ECF_PURE): New flag.
1843 (emit_call_1): Handle ECF_PURE calls.
1844 (initialize_argument_information): Unset ECF_PURE flag too.
1845 (precompute_arguments): Precompute for ECF_PURE too.
1846 (expand_call): Handle ECF_PURE calls too.
1847 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1848 accept value of 2 as pure function.
1849 (emit_library_call_value, emit_library_call): Rename no_queue argument
1851 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1853 * tree.h (DECL_IS_PURE): New macro.
1854 (struct tree_decl): Add pure_flag.
1855 * c-common.c (enum attrs): Add attribute "pure".
1856 (init_attributes): Initialize attribute "pure"
1857 (decl_attributes): Handle attribute "pure".
1858 * extend.texi (Attribute "pure"): Document.
1859 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1861 (flags_from_decl_or_type): Support attribute "pure".
1863 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1865 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1866 the token except for numbers and identifiers.
1868 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1870 * i386.c (ix86_expand_binary_operator,
1871 ix86_expand_unary_operator): Check no_new_pseudos
1872 instead of reload_in_progress and reload_completed.
1873 (ix86_split_ashldi, ix86_split_ashrdi,
1874 ix86_split_lshrdi): Check no_new_pseudos instead
1875 of reload_completed.
1877 2000-04-12 Jeffrey A Law (law@cygnus.com)
1879 * function.c (purge_addressof): Unshare any shared rtl created by
1880 purge_addressof and its children.
1882 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1884 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1887 2000-04-05 Andreas Jaeger <aj@suse.de>
1889 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1890 not compiling PIC code, add flags for mabi=64.
1891 (SUBTARGET_CPP_SIZE_SPEC): New.
1892 (SUBTARGET_CPP_SPEC): New.
1893 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1894 for MIPS/Linux and lots of code needs these defines.
1896 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1898 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1899 trying the "opposite arithmetic" approach.
1901 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1903 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1904 (struct sh_args): Add new field force_mem.
1905 (INIT_CUMULATIVE_ARGS): Initialize it.
1906 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1908 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1910 * calls.c (expand_call): Do not reverse args in "equal from" field.
1911 (emit_library_call_value_1): Emit_libcall_block for const and pure
1914 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1916 * reload1.c (reload_combine): Don't enable optimization for fixed
1917 registers when encountering a BARRIER.
1919 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1921 * builtins.c (expand_builtin_memcmp): Do expansion even with
1922 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1924 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1925 stack is propertly aligned; add sanity checking for aligned
1927 (expand_library_call_value_1): Add sanity checking for aligned
1930 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1932 * calls.c (emit_library_call_value_1): Change 3rd arg to
1933 locate_and_pad_parm to disregard the setting of partial.
1935 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1937 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1939 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1940 CALL_INSN from the normal case.
1942 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1944 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1945 New global variables.
1946 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1948 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1950 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1951 TARGET_ADD_ESP_8): New macros.
1952 * i386.md: Add peep2s to convert esp adjustments to push and pop
1954 (pushsi_prologue, popsi_epilogue): New patterns.
1956 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1958 * real.c (toe64): Remove stale #endif from the last change.
1960 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1962 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1963 * real.c (toe64): Revert previous change.
1965 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1967 * objc/objc-act.c: Include ggc.h.
1968 (objc_tree_index, objc_global_trees): Convert most of the
1969 static tree variables into a static array with previous names
1971 (objc_ellipsis_node): New variable.
1972 (lang_init): Call objc_act_parse_init and c_parse_init.
1973 Create objc_ellipsis_node.
1974 (build_selector_translation_table): Use objc_ellipsis_node instead
1976 (hack_method_prototype): Likewise.
1977 (get_arg_type_list): Likewise.
1978 (start_method_def): Likewise.
1979 (continue_method_def): Likewise.
1980 (gen_method_decl): Likewise.
1981 (ggc_mark_imp_list): New function.
1982 (ggc_mark_hash_table): New function.
1983 (objc_act_parse_init): New function.
1984 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1985 * c-parse.in (c_parse_init): For objc add roots of objc specific
1986 local tree variables.
1987 * objc/objc-parse.y: Rebuilt.
1988 * objc/objc-parse.c: Rebuilt.
1989 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1991 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1993 * cse.c (delete_trivially_dead_insns): Also delete insns
1994 that copy a register to itself where the destination is
1997 2000-04-11 Richard Henderson <rth@cygnus.com>
1999 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2000 (propagate_block): Initialize them. Use them in parallel instead
2001 of one tmp variable, ie revert much of the 0408 and 0407 functional
2002 changes, but keep the structural changes.
2003 (mark_set_regs): Take new_dead from propagate_block_info instead.
2004 (mark_set_1, mark_set_reg): Likewise.
2005 (mark_used_regs): Likewise with new_live.
2006 (mark_used_reg): Likewise. Revert 0408 change.
2008 2000-04-11 Nick Clifton <nickc@cygnus.com>
2010 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2012 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2014 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2016 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2017 const section to output a CONSTRUCTOR based on the same conditions
2020 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2022 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2023 * pa/pa-protos.h (output_call): Add additional argument indicating
2024 if the call is a sibling/tail call.
2025 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2026 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2027 (function_arg, function_arg_partial_nregs): Likewise
2028 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2029 (emit_move_sequence): Zero extend certain constants as needed
2031 (compute_zdepdi_operands, output_64bit_and): New functions.
2032 (output_64bit_ior, function_arg): Likewise.
2033 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2034 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2035 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2036 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2037 (output_bvb): Likewise.
2038 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2039 (output_call): New argument 'sibcall'. Generate sibcall sequences
2041 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2042 (ouput_arg_descriptor): Do not emit argument descriptors for
2044 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2046 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2047 (FUNCTION_OK_FOR_SIBALL): Define.
2048 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2049 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2050 (CPP_SPEC): Use new spec infrastructure.
2051 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2052 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2053 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2054 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2055 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2056 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2057 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2058 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2059 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2060 (FUNCTION_ARG); Call out to C code.
2061 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2062 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2063 (MIN_UNITS_PER_WORD): Likewise.
2064 * pa/pa.md (cmpdi): New expander.
2065 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2066 (64bit conditional arithmetic): New patterns.
2067 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2068 (movsicc): Not available if modes on all the operands to not match.
2069 (movdicc): New expander and associated patterns.
2070 (64bit branches): New patterns.
2071 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2072 (pre_ldd, post_std): New patterns.
2073 (64bit addil, load low part): New patterns.
2074 (special movsf constant): Not available for TARGET_64BIT.
2075 (movsf, movdf expanders): Force constants into memory.
2076 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2077 (64bit movdf/movdi patterns): New patterns.
2078 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2080 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2081 (adddi3 expander): Allow "arith_operand" for second input.
2082 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2083 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2084 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2085 (muldi3): New expander for TARGET_64BIT.
2086 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2088 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2089 patterns for TARGET_64BIT.
2090 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2091 patterns for TARGET_64BIT.
2092 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2093 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2094 (sibcall_epilogue): New expander.
2095 (casesi): Tweak for TARGET_64BIT.
2096 (call expanders): Set & use the outgoing argument pointer. Use the
2097 64bit call patterns as needed. Add additional arg to output_call.
2098 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2099 (sibcall, sibcall_internal_symref): New expanders.
2100 (sibcall_value, sibcall_value_internal_symref
2101 (interspace_jump): Turn into an expander + matching patterns.
2102 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2103 * pa/pa64-regs.h: Eliminate trigraph sequences.
2104 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2106 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2108 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2109 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2110 cpp_token with cpp_ttype everywhere.
2111 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2112 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2113 CPP_BUF_COL. Line and column numbers are unsigned int, not
2115 * cpplex.c (cpp_buf_line_and_col): Delete.
2116 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2117 'long lineno' to 'unsigned int lineno'.
2118 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2120 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2122 * extend.texi: ISO C99 is not a draft anymore.
2123 * invoke.texi: ISO C++ is not a draft anymore.
2124 * cpp.texi: __cplusplus is required by the ISO standard.
2126 * extend.texi (-fthis-is-variable): Undocument.
2127 * flags.h (warn_template_debugging): Remove declaration.
2128 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2129 -Wenum-clash, -Wtemplate-debugging): Undocument.
2131 2000-04-10 Nick Clifton <nickc@cygnus.com>
2133 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2135 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2137 (ARM_SIGN_EXTEND): Use HOST_UINT.
2138 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2139 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2140 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2141 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2143 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2144 (arm_gen_constant): Use HOST_UINT.
2145 (arm_canonicalize_constant): Use HOST_UINT.
2146 (arm_reload_in_hi): Use HOST_UINT.
2147 (arm_reload_out_hi): Use HOST_UINT.
2148 (output_multi_immediate): Use HOST_UINT.
2149 (int_log2): Use HOST_UINT.
2150 (arm_poke_function_name): Use HOST_UINT.
2151 (arm_output_epilogue): Use arm_volatile_func().
2152 (output_thumb_prologue): Use arm_strip_name_encoding().
2154 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2156 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2157 of sequence point problems.
2159 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2161 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2163 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2165 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2167 * sbitmap.h: Whitespace changes and use upper-case macro args.
2168 (struct simple_bitmap_def): All sizes now unsigned.
2169 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2170 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2171 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2172 (sbitmap_zero): Cast bzero arg to PTR.
2173 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2174 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2175 loop to make structure clearer.
2176 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2177 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2178 (sbitmap_a_and_b_or_c): Likewise.
2179 (sbitmap_intersection_of_succs): Minor cleanups.
2180 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2181 (sbitmap_union_of_preds): Likewise.
2182 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2183 (debug_sbitmap): New function.
2185 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2186 * c-typeck.c (convert_for_assignment): Likewise.
2188 * expmed.c (init_expmed): Don't free objects we make.
2189 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2191 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2192 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2194 * gcse.c (expr_hash_table_size): Now unsigned.
2195 (compute_ae_gen): Local variable `i' now unsigned.
2196 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2197 (compute_transout, hoist_code): Likewise.
2198 (compute_local_properties): Likewise, also hash_table_size.
2199 (alloc_expr_hash_table): N_INSNS now unsigned.
2200 (delete_null_pointer_checks): Mark arg F as unused.
2202 * regrename.c: Minor cleanups, including chang some variables
2205 2000-04-10 Neil Booth <NeilB@earthling.net>
2207 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2209 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2211 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2213 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2214 __classof__, and __headof__ from the list of gnu keywords.
2215 (-ansi): Remove -foperator-names from list of implied options.
2216 Do not call it ANSI C++.
2217 (-foperator-names): Document as -fno-operator-names.
2219 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2221 * cpphash.c (timestamp): Delete.
2222 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2223 (special_symbol): Remove unnecessary braces. Remove
2224 T_VERSION. Treat T_STDC like T_CONST unless
2225 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2226 when one is encountered, then convert them into T_MCONST
2228 * cppinit.c (builtin_array): version_string is T_MCONST.
2229 __STDC__ has a "1" in its cpval. Don't have a terminator
2230 entry. Clean up which entries are dumped.
2231 (initialize_builtins): Only __STDC__ gets the special
2232 -traditional treatment. Count the length of builtin_array.
2233 Render version_string here.
2234 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2235 * cpplib.h (struct cpp_reader): Remove timebuf.
2237 2000-04-09 Richard Henderson <rth@cygnus.com>
2239 * genrecog.c (pred): Update comparison_operator for the unordered
2242 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2244 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2245 (uno_comparison_operator): New.
2246 (put_condition_code): Handle UNORDERED/ORDERED.
2247 (unsigned_comparison): Likewise.
2248 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2249 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2250 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2251 update all callers. Handle all 8 unordered operators.
2252 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2253 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2254 * config/i386/i386.h (PREDICATE_CODES): Update.
2255 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2256 (ix86_expand_branch, ix86_expand_setcc): Update.
2257 * config/i386/i386.md (sunordered, sordered): New.
2258 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2259 (bunordered, bordered): New.
2260 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2261 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2262 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2264 2000-04-09 Philip Blundell <philb@gnu.org>
2266 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2268 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2270 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2271 fix_truncxfhi2): New patterns.
2272 * i386.c (output_fix_trunc): Handle converting to HImode.
2274 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2276 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2278 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2279 (for_each_successor_phi): Change parameter to basic_block.
2280 (coalesce_regs_in_successor_phi_nodes): Likewise.
2281 (coalesce_regs_in_copies): Likewise.
2282 (compute_coalesced_reg_partition): Use basic_block instead of index.
2283 * rtl.h (convert_to_ssa): Delete.
2284 (convert_from_ssa): Likewise.
2285 (successor_phi_fn): Likewise.
2286 (for_each_successor_phi): Likewise.
2287 (in_ssa_form): Likewise.
2288 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2289 (convert_from_ssa): Likewise.
2290 (successor_phi_fn): Likewise.
2291 (in_ssa_form): Likewise.
2292 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2293 * flow.c (calculate_global_regs_live): Pass a basic_block to
2294 for_each_successor_phi.
2296 2000-04-08 Richard Henderson <rth@cygnus.com>
2298 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2299 was modified in the current insn.
2301 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2303 * arm/thumb.md: Delete.
2304 * arm/thumb-protos.h: Delete.
2306 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2308 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2310 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2312 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2315 * arm.md (nop): Use the standard RTL expression. Don't code as a
2317 (*arm_nop, *thumb_nop): Delete.
2319 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2320 constants. Use casts instead.
2321 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2322 output_multi_immediate, arm_poke_function_name): Likewise.
2323 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2324 MASK_RETURN_ADDDR): Likewise.
2326 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2328 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2331 * arm.md (eh_epilogue): New function.
2332 * arm.h (struct machine_function): Move to here ...
2333 * arm.c: ... from here.
2334 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2335 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2336 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2338 2000-03-30 Nick Clifton <nickc@cygnus.com>
2340 * config/arm/semi.h (ASM_SPEC): Restore definition.
2341 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2343 * config/arm/elf.h (ASM_SPEC): Restore definition.
2344 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2346 * config/arm/arm.h (ASM_SPEC): Remove definition.
2347 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2349 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2351 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2353 2000-03-24 Nick Clifton <nickc@cygnus.com>
2355 Various formating tidyups, elimination of compile time
2356 warnings and synchronisation with internal sources:
2358 * config/arm/arm-protos.h (assemble_align): Add prototype.
2359 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2360 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2361 (arm_return_addr_rtx): Rename to arm_return_addr.
2363 * config/arm/arm.c: Include except.h.
2364 Define shorter typenames for strict minipool_node and struct
2366 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2368 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2369 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2371 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2373 (ASM_SPEC): Define if not already defined.
2374 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2376 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2377 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2378 arm_gen_compare_reg.
2379 (indirect_jump): Only accept register operands.
2380 (load_indirect_jump): Keep this pattern since combine can generate
2383 * config/arm/coff.h: Include aout.h.
2384 (MULTILIB_DEFAULTS): Only define if not already defined.
2386 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2387 into arm.h (so that COFF ports can support thumb based aliases).
2388 (ASM_SPEC): Move definition into arm.h
2390 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2391 redundant apcs spec.
2392 (ASM_SPEC): Move definition to arm.h
2394 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2396 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2397 for entries in the .bss section
2399 2000-03-23 Nick Clifton <nickc@cygnus.com>
2401 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2402 to thumb_far_jump_used_p.
2404 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2405 single integer parameter.
2407 * config/arm/arm.c (struct machine_function): Add two new
2408 fields, 'far_jump_used' and 'arg_pointer_live'.
2409 (thumb_far_jump_used_p): Once the decision has been made that
2410 far jumps might be used, always return true.
2411 If being called from the initial elimination offset macro then
2412 do not bother to perform the test if the arg pointer is not
2414 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2415 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2417 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2419 * arm.c (output_return_instruction): Handle more cases where we can
2420 return from a function with an ldr instruction.
2421 (arm_output_epilogue): Likewise.
2423 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2424 if we need to push a large stack frame and there are no callee-saved
2427 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2428 in ARM code if the frame pointer has been eliminated.
2430 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2431 unspec_volatile arguments to avoid duplicates.
2432 (consttable_1, consttable_2): Fixes for big-endian mode.
2434 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2437 Re-write constant pool code.
2438 * arm.c (minipool_node, minipool_fix): New types.
2439 (minifix): Delete type.
2440 (arm_add_minipool_constant): Delete.
2441 (arm_compute_minipool_offsets, arm_find_barrier,
2442 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2443 (get_jump_table_size): Now returns HOST_WIDE_INT.
2444 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2446 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2447 (assign_minipool_offsets, arm_print_value): Likewise.
2448 (dump_minipool): Rewrite.
2449 (arm_barrier_cost): New function.
2450 (create_fix_barrier): New function.
2451 (push_minipool_barrier): New function.
2452 (push_minipool_fix): Record additional information about the fixup
2454 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2455 check the mode of what needs fixing.
2456 (arm_reorg): Rewrite.
2458 2000-03-08 Nick Clifton <nickc@cygnus.com>
2460 * config/arm/arm.md (indirect_jump): Force constant addresses into
2463 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2465 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2467 2000-02-24 Nick Clifton <nickc@cygnus.com>
2469 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2470 adjust is word aligned.
2471 (thumb_expand_epilogue): Make sure that stack adjust is word
2474 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2476 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2478 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2479 pointer relative addresses.
2481 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2483 * arm.c (find_barrier): Find the last barrier within the allowed
2486 2000-02-09 Nick Clifton <nickc@cygnus.com>
2488 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2490 2000-02-09 Nick Clifton <nickc@cygnus.com>
2492 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2493 ARM_FUNCTION_PROFILER.
2495 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2496 ARM_FUNCTION_PROFILER.
2498 * config/arm/linux-oldld.h: Imported from mainline sources.
2500 2000-02-07 Nick Clifton <nickc@cygnus.com>
2502 * config/arm/lib1funcs.asm: Merge in thumb functions from
2505 * config/arm/lib1thumb.asm: Delete.
2507 2000-02-04 Nick Clifton <nickc@cygnus.com>
2509 * config/arm/arm.c: Sychronised with current Red hat local
2511 * config/arm/arm.h: Ditto.
2512 * config/arm/arm-protos.h: Ditto.
2514 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2516 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2518 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2521 2000-02-02 Nick Clifton <nickc@cygnus.com>
2523 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2525 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2526 (return) was emited using an emit_insn() call.
2528 2000-01-31 Nick Clifton <nickc@cygnus.com>
2530 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2532 (thumb_exit): Move frame pointer back into hard frame pointer
2533 register if backtracing is being used.
2535 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2537 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2540 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2542 * config/arm/arm.md (neg_pool_offset): Provide default for new
2544 (arm_movsi_insn): Add neg_pool_offset attribute.
2545 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2546 rtx for the insn that starts the scan and an unsigned long for its
2547 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2548 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2549 instructions in *PINSERTED.
2550 (struct minipool_fixup): Add MIN_ADDRESS elt.
2551 (sort_fixups): Compute it.
2552 (arm_reorg): Changes to support inserting pools before the insn to be
2555 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2557 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2558 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2559 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2561 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2563 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2565 (TARGET_DEFAULT): Do not define if already defined.
2567 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2569 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2570 (iordi3): Allow disjoint source operands.
2571 (xordi3): Allow disjoint source operands.
2572 (negdi2): Permit construction for ARM and Thumb.
2573 (arm_negdi2): Renamed version of old negdi2 pattern.
2574 (thumb_negdi2): New pattern: Only permit non-overlapping
2575 source and destination.
2577 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2579 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2580 scratch low register so that it will not be deleted.
2582 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2584 * config/arm/pe.h (ARM_PE): Define.
2586 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2587 interfacearm attribute if this is a PE toolchain.
2588 (output_return_instruction): Do not emit anything if the function
2589 has the naked attribute set.
2590 (is_called_in_ARM_mode): If the function has the interfacearm
2591 attribute then return true.
2592 (thumb_expand_prologue): Do not generate a prologue for naked
2594 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2596 (output_thumb_prologue): Do not bother if the function is naked.
2597 Strip PE encoding from function name before emitting.
2599 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2601 * arm.md (pic_load_addr): Fix constraints.
2603 * arm.md (casesi_insn): Fix mis-applied patch.
2605 * arm.md ("core" function unit): Add rules for single- and
2607 (All TARGET_THUMB patterns): Add "type" attribute information
2609 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2610 the following insn is a CALL.
2612 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2614 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2615 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2616 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2618 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2620 * config/arm/linux-gas.h: oops - this file was missed out when the
2621 branch was created...
2623 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2625 * thumb.c: Deleted. Move contents to ...
2627 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2629 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2632 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2633 declare a prototype for asm_output_align();
2635 * arm.c (thumb_condition_code): Delete.
2636 (arm_print_operand): Always use arm_condition_code array.
2638 * arm.c (thumb_return_addr_rtx): Delete.
2639 (arm_save_machine_status, arm_restore_machine_status): Delete.
2640 (arm_init_machine_status, arm_mark_machine_status): New functions.
2641 (arm_init_expanders): Update accordingly.
2642 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2643 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2644 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2646 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2648 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2650 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2653 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2655 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2656 stack backtrace structure.
2658 * config/arm/arm-protos.h: Add prototypes for functions defined in
2661 * config/arm/arm.c (arm_override_options): Fix selection of
2662 attributes of default processor.
2664 * config/arm/coff.h: Delete needless #include.
2666 * config/arm/pe.c: Delete unused code.
2668 * config/arm/pe.h (CPP_DEFINES): Delete
2669 (SUBTARGET_CPP_SPEC): Define.
2670 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2672 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2674 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2676 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2678 (CAN_DEBUG_WITHOUT_FP): Define.
2679 (FIXED_REGISTERS): Make r11 call-saved.
2680 (CALL_USED_REGISTERS): Likewise.
2681 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2682 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2683 frame-pointer is required.
2684 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2685 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2686 if the target normally needs a stack frame in non-leaf functions.
2687 (use_return_insn): Correct logic for determining when a return
2688 instruction can be used.
2689 (output_return_instruction): Handle the frame-pointer register as
2690 a normal register when not TARGET_APCS_FRAME.
2691 (arm_output_prologue): Likewise.
2692 (arm_output_epilogue): Likewise.
2693 (output_func_epilogue): Likewise.
2694 (arm_expand_prologue): Likewise.
2695 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2697 * arm.c (use_return_insn): No need to check floating point regs if
2699 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2700 the code of value stored in the minipool array.
2701 (arm_add_minipool_constant): Likewise.
2703 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2705 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2707 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2709 * tree.c (tree_expr_nonnegative_p): New function.
2711 * tree.h (tree_expr_nonnegative_p): Declare.
2713 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2714 elide some sign_compare warnings.
2715 (build_conditional_expr): Likewise.
2717 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2719 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2721 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2722 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2723 operand. Abort if a 387 operand has an unsupported size.
2725 2000-04-08 Neil Booth <NeilB@earthling.net>
2727 * cppexp.c (parse_charconst): Null does not end character
2729 * cppinit.c (ISTABLE): Null character handled as whitespace.
2730 * cpplex.c (null_warning): new function.
2731 (skip_string): Emit warning if nulls encountered.
2732 (_cpp_skip_hspace): Emit warning if nulls encountered.
2733 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2737 2000-04-07 Richard Henderson <rth@cygnus.com>
2739 * flow.c (loop_depth): Remove.
2740 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2741 (struct propagate_block_info): New.
2742 (life_analysis): Don't allocate reg_next_use.
2743 (propagate_block_delete_insn): Break out of propagate_block.
2744 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2745 (propagate_block_delete_libcall): Likewise.
2746 (propagate_block): Create a propagate_block_info struct to pass
2747 to subroutines. Allocate one not two temporary regsets. Don't
2748 clobber memory for const calls. Look for clobbers in
2749 CALL_INSN_FUNCTION_USAGE.
2750 (mark_set_regs): Recognize COND_EXEC.
2751 (mark_set_reg): Break out of mark_set_1.
2752 (mark_used_reg): Break out of mark_used_regs.
2753 (mark_used_regs): Recognize COND_EXEC.
2754 (insn_dead_p): Use propagate_block_info struct.
2755 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2756 (find_auto_inc, try_pre_increment_1): Likewise.
2757 (print_rtl_with_bb): Dump regs live at end too.
2758 (count_reg_sets_1): Pass in loop_depth.
2759 (count_reg_sets, count_reg_references): Likewise.
2760 (recompute_reg_usage): Provide it.
2762 2000-04-07 Richard Henderson <rth@cygnus.com>
2764 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2767 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2769 * cpplib.c (do_elif): Skip the rest of the line if we're
2770 not going to bother evaluating it.
2771 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2772 to avoid pointless calls to the lexer.
2774 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2776 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2778 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2780 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2782 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2784 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2786 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2788 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2789 crtend so they can be multilibbed.
2790 (STAGESTUFF): Remove s-crt and s-crtS.
2792 2000-04-07 Richard Henderson <rth@cygnus.com>
2794 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2795 if we discover we need a pseudo and no_new_pseudos is true.
2796 * config/alpha/alpha.md (ne:DI insn): New.
2797 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2799 2000-04-07 Richard Henderson <rth@cygnus.com>
2801 * rtl.def (COND_EXEC): New.
2802 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2803 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2805 * genconfig.c (have_cond_arith_flag): Remove.
2806 (have_cond_exec_flag): New.
2807 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2808 (main): Print HAVE_conditional_execution.
2810 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2811 (sched_analyze_insn, print_pattern): Likewise.
2812 * reload.c (find_equiv_reg): Likewise.
2813 * rtlanal.c (reg_referenced_p): Likewise.
2814 (note_stores, dead_or_set_regno_p): Likewise.
2815 (reg_overlap_mentioned_p): Rewrite to use a switch.
2817 * ggc.h (struct rtx_def): Forward declare.
2819 * print-rtl.c (debug_rtx_range): New.
2820 * rtl.h (debug_rtx_range): Declare.
2822 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2824 * gcse.c (gcse_main): Don't rebuild the CFG here.
2825 (delete_null_pointer_checks): Likewise.
2826 * ssa.c (convert_to_ssa): Likewise.
2827 * toplev.c (rest_of_compilation): Do it here instead. Combine
2828 sequential calls to TIMEVAR. Consistently use `insns' instead of
2829 `get_insns()'. Always split insns after reload when optimizing.
2831 * basic-block.h (merge_blocks_nomove): Declare.
2832 (tidy_fallthru_edge): Declare.
2833 * flow.c (merge_blocks_nomove): Document as merging into previous
2834 blocks. Remove cruft from between blocks; remove all edges out of A.
2835 (tidy_fallthru_edge): Export.
2837 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2839 * ssa.c (compute_conservative_reg_partition): Declare with
2841 * toplev.c (clean_dump_file): Remove previously-deleted function
2842 inadvertantly merged back in.
2843 * conflict.c (conflict_graph_add): Use a single call to
2844 htab_find_slot to look up and insert.
2846 2000-04-06 Richard Henderson <rth@cygnus.com>
2848 * genrecog.c (*): Rename _last_insn to last_insn.
2849 (make_insn_sequence): Set the position of the peephole2 C test
2850 to be at the last insn.
2852 2000-04-06 Richard Henderson <rth@cygnus.com>
2854 * flow.c (compute_flow_dominators): Free worklist.
2856 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2858 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2860 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2862 * rtl.h (INSN_P): New macro.
2863 (successor_phi_fn): New typedef.
2864 (for_each_successor_phi): New prototype.
2865 (in_ssa_form): New variable.
2866 (PHI_NODE_P): Likewise.
2867 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2868 phi nodes in successors.
2869 (mark_used_regs): Add PHI case.
2870 (set_phi_alternative_reg): New function.
2871 (life_analysis): Assert that dead code elimination is not selected
2873 * toplev.c (to_ssa_time): New variable.
2874 (from_ssa_time): Likewise.
2875 (compile_file): Zero to_ssa_time and from_ssa_time.
2876 Print time to convert to and from SSA.
2877 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2878 (print_time): Compute percent fraction as integer.
2879 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2880 (convert_to_ssa): Check if we're already in SSA.
2881 Don't eliminate dead code in life_analysis.
2882 Rerun flow and life analysis at bottom.
2883 (eliminate_phi): Use canonical regnos when adding nodes.
2884 (mark_reg_in_phi): New function.
2885 (mark_phi_and_copy_regs): Likewise.
2886 (convert_from_ssa): Rerun life analysis at top.
2887 Use coalesced partition.
2888 Check for removing a phi node at the end of the block.
2889 (compute_coalesced_reg_partition): New function.
2890 (coalesce_regs_in_copies): Likewise.
2891 (coalesce_reg_in_phi): Likewise.
2892 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2893 (for_each_successor_phi): Likewise.
2894 (rename_context): New struct.
2895 (rename_block): Use a rename_context with rename_insn_1. When
2896 renaming sets of a subreg, emit a copy of the entire reg first.
2897 (rename_insn_1): Treat data as a rename_context *. Save current
2899 (rename_set_data): Add field set_insn.
2900 * Makefile.in (HASHTAB_H): Move up in file.
2901 (OBSTACK_H): New macro.
2902 (collect2.o): Use OBSTACK_H in dependencies.
2903 (sdbout.o): Likewise.
2904 (emit-rtl.o): Likewise.
2905 (simplify-rtx.o): Likewise.
2906 (fix-header.o): Likewise.
2907 (OBJS): Add conflict.o.
2908 (conflict.o): New rule.
2909 * basic-block.h: Include partition.h.
2910 (conflict_graph): New typedef.
2911 (conflict_graph_enum_fn): Likewise.
2912 (conflict_graph_new): New prototype.
2913 (conflict_graph_delete): Likewise.
2914 (conflict_graph_add): Likewise.
2915 (conflict_graph_conflict_p): Likewise.
2916 (conflict_graph_enum): Likewise.
2917 (conflict_graph_merge_regs): Likewise.
2918 (conflict_graph_print): Likewise.
2919 (conflict_graph_compute): Likewise.
2920 * conflict.c: New file.
2922 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2924 * tlink.c (read_repo_files): Don't look for .rpo info for
2927 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2929 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2931 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2933 * config/sh/lib1funcs.asm (___udivsi3_i4):
2934 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2935 only depends on FMOVD_WORKS.
2937 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2939 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2940 make double constant 8-byte aligned.
2942 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2944 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2945 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2946 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2947 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2948 Accept storing GENERAL_REGS into offsetable memory.
2949 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2950 building a TFmode constant other than 0.0L into GENERAL_REGS.
2952 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2954 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2956 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2958 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2959 (macro_cleanup): No need to cast pbuf->macro.
2960 (collect_expansion): Use _cpp_get_define_token. Goto done if
2961 it returns VSPACE. Remove check for trailing space after
2963 (_cpp_create_definition): Don't diddle flags here. Return
2965 (unsafe_chars): Handle c1 being EOF.
2966 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2967 checks. Don't push the buffer till after we're done with
2969 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2970 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2971 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2973 (_cpp_parse_assertion): Don't NUL terminate.
2974 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2975 hspace before calling _cpp_parse_assertion. Remove all sets
2976 of only_seen_white. Treat '\f' as hspace. Don't do anything
2977 special with '\n' here.
2978 (maybe_macroexpand): Handle T_EMPTY hash entries without
2979 pushing a buffer at all.
2980 (cpp_get_token): Handle clearing only_seen_white here. Handle
2981 incrementing the line number here. Clear
2982 potential_control_macro as well as only_seen_white, if
2984 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2985 (_cpp_get_define_token): New function, basically like
2986 _cpp_get_directive_token was but doesn't eat horizontal space.
2987 Don't do anything with only_seen_white here.
2988 (_cpp_get_directive_token): Just call _cpp_get_define_token
2989 repeatedly till it returns non-hspace.
2991 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2992 (conditional_skip, skip_if_group): Return int.
2993 (DIRECTIVE_TABLE): Change origin of all conditional directives
2995 (TRAD_DIRECT_P): New macro.
2996 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2997 an error for a bogus directive, unless -lang-asm. Use
2998 TRAD_DIRECT_P. Loop calling handler functions till one returns
3000 (get_macro_name): Don't diddle flags here.
3001 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3002 Create T_EMPTY nodes for #define macro /* nothing */.
3003 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3004 Use hp->name when calling pass_thru_directive.
3005 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3006 Return the result of conditional_skip and/or skip_if_group.
3007 Don't call _cpp_output_line_command.
3008 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3009 Issue -Wtraditional warnings as appropriate. Don't complain
3010 about unrecognized directives. If we are to stop skipping,
3011 return the number of the directive that ended the skip.
3012 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3013 expansion and line commands while skipping. Return the result
3014 of consider_directive_while_skipping, if nonzero.
3015 (do_endif): Just set potential_control_macro here.
3016 (validate_else): Use _cpp_get_directive_token.
3017 (do_assert, do_unassert): Don't save pointers into the
3018 token_buffer across calls to the lexer. Use
3019 _cpp_get_directive_token.
3021 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3022 pointer, not an offset. Replace 'data', which was a generic
3023 pointer, with 'macro', which points to a struct hashnode.
3024 (cpp_reader): Add 'potential_control_macro' pointer.
3025 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3026 (CPP_BUF_GET, CPP_FORWARD): Delete.
3027 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3028 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3029 ACTIVE_MARK_P): Update.
3030 (_cpp_get_define_token): New internal function.
3031 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3033 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3035 * configure.in: And here.
3036 * configure: Regenerate.
3037 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3038 --enable-libstdcxx-v3 is passed at configure time.
3039 * config.h.in: Regenerate.
3041 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3043 * final.c (final): Use xcalloc to allocate line_note_exists.
3044 * function.c (free_after_compilation): Free the temp_slots.
3045 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3046 (combine_temp_slot): Free temp_slots when they get combined.
3047 (purge_addressof): Fix typo in comment.
3048 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3049 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3051 * ggc.h: Include varray.h.
3052 (ggc_pending_trees): Declare.
3053 (ggc_mark_tree_children): Remove declaration.
3054 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3055 * ggc-common.c (ggc_pending_trees): New variable.
3056 (ggc_mark_roots): Call ggc_mark_trees.
3057 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3058 the ggc_pending_trees.
3059 * Makefile.in (GGC_H): New variable. Use it throughout in place
3062 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3064 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3067 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3069 * sh.c (sh_insn_length_adjustment): New function.
3070 * sh-protos.h (sh_insn_length_adjustment): Declare.
3071 * sh.h (ADJUST_INSN_LENGTH): Use it.
3073 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3075 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3076 from the insn where REG_RETVAL is added.
3077 (emit_no_conflict_block): Ditto.
3079 * md.texi (Standard Names): Clarify when movX is needed.
3081 * combine.c (simplify_comparison) [MINUS]: Do not replace
3082 all (op (minus A B) 0) with (op A B).
3084 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3085 J"orn Rennecke <amylaar@cygnus.co.uk>
3087 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3088 (block_lump_real): Likewise.
3090 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3092 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3093 remaining non-zero debugging masks.
3095 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3097 * basic-block.h (verify_flow_info): Declare.
3098 (flow_loop_outside_edge_p): Declare.
3099 * flow.c (verify_flow_info): Remove declaration.
3100 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3102 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3104 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3107 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3109 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3110 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3111 seqdi_zero_trunc+1): Allow splits only if registers are
3114 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3116 * acconfig.h: Add HAVE_GAS_HIDDEN.
3117 * config.in: Regenerated.
3118 * configure.in: Add test for .hidden pseudo-op in gas.
3119 * configure: Regenerated.
3120 * crtstuff.c: Include auto-host.h.
3121 Emit additional .hidden pseudo-op for __dso_handle if the
3122 assembler knows about it.
3124 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3126 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3127 before freeing argnames.
3128 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3130 2000-04-05 Michael Meissner <meissner@redhat.com>
3132 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3133 Walton <jonboy@gordian.com> to make memory references with update
3134 work wtih -mregnames.
3136 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3138 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3139 (regrename_optimize): Rename variables `def_uses' and
3140 `ext_basic_blocks' to avoid conflicts with similarly named
3141 typedefs in traditional C.
3143 * calls.c (initialize_argument_information): Fix typo in previous
3146 2000-04-04 Richard Henderson <rth@cygnus.com>
3148 * regrename.c (consider_available): Test fixed_regs not
3149 PIC_OFFSET_TABLE_REGNUM.
3151 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3153 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3155 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3156 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3157 (ENDFILE_LINUX_SPEC): Always use crtend.
3158 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3159 (powerpc-*-linux-gnu): Likewise.
3160 * configure: Regenerate.
3162 * config/rs6000/eabi.h: Don't include sysv4.h.
3163 (MULTILIB_DEFAULTS): Don't define.
3164 * config/rs6000/eabiaix.h: Don't include eabi.h.
3165 * config/rs6000/eabile.h: Delete.
3166 * config/rs6000/eabilesim.h: Delete.
3167 * config/rs6000/eabisim.h: Don't include eabi.h.
3168 * config/rs6000/linux.h: Don't include sysv4.h.
3169 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3170 (MULTILIB_DEFAULTS): Don't redefine.
3171 * config/rs6000/rtems.h: Don't include eabi.h.
3172 * config/rs6000/sol2.h: Don't include sysv4le.h.
3173 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3174 * config/rs6000/t-ppc: Delete.
3175 * config/rs6000/t-ppcgas: Correct comment.
3176 * config/rs6000/t-ppcos: Correct comment. Don't build
3177 multilibs for -fPIC, rather use -fPIC -mstrict-align
3179 * config/rs6000/t-ppc: Delete.
3180 * config/rs6000/vxppc.h: Don't include sysv4.h.
3181 * config/rs6000/vxppcle.h: Delete.
3182 * configure.in: Use multiple header files for p2pc ELF targets
3183 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3184 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3185 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3186 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3187 always available for these platforms.
3189 2000-04-04 Richard Henderson <rth@cygnus.com>
3191 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3193 2000-04-04 Stan Cox <scox@cygnus.com>
3195 * Makefile.in: Add rules for regrename.o
3196 * regrename.c: New file.
3197 * rtl.h (regrename_optimize): Add prototype.
3198 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3199 (compile_file, decode_d_option): Add support for -frename-registers.
3200 (rest_of_compilation): Call regrename_optimize.
3201 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3204 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3206 * Makefile (gccbug): New target.
3207 (doc): Depend on it.
3208 * gcc.texi (Bugs): Link subnodes.
3210 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3211 Document severities, priorities, and classes in bug form.
3213 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3215 * cpplex.c (trigraph_map, speccase): Combine into single
3217 (NORMAL, NONTRI): New macros.
3218 (_cpp_read_and_prescan): Change to use unified table. Use
3219 is_hspace to test for whitespace.
3221 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3222 definition that doesn't provoke the "empty body in an
3223 if-statement" warning.
3225 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3227 * builtins.c (expand_builtin_strlen): Force the source to
3228 be a memory address.
3230 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3232 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3234 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3236 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3237 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3238 (ECF_IS_CONST): Rename to ECF_CONST.
3239 (special_function_p): Make static, change interface.
3240 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3241 (expand_call) ... here; convert number of variables to flags.
3242 (emit_library_call_vlue_1): Likewise.
3243 (setjmp_call_p): New function.
3244 (initialize_argument_information): Accepts flags as argument;
3246 (precompute_arguments): Likewise.
3247 * tree.h (special_function_p): Remove.
3248 (setjmp_call_p): Add prototype.
3250 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3252 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3253 so that addresses are offsetable by up to 16 bytes.
3254 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3255 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3258 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3259 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3260 (movsf): Don't force any constant to memory if target is integer
3262 Move fp_zero_operand check below the const0_rtx check.
3263 (movtf): Likewise. Also allow fp_zero_operand for stores into
3265 (movdf): Likewise. Also allow fp_zero_operand for stores into
3266 memory and into integer hard registers.
3267 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3268 movdf_const_intreg_sp64): Remove.
3269 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3271 (movdf_no_e_insn_v9_sp32): New pattern.
3272 (movdf_insn_v9only): Remove.
3273 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3274 (movdf_insn_sp64): Remove.
3275 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3276 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3277 (following splits): Rewrite conditions. Add two new splits
3278 for storing 0.0 into memory and registers.
3279 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3280 (movtf_insn_sp32): Redo constraints and conditions.
3281 (movtf_insn_vis_sp32): New pattern.
3282 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3283 (movtf_insn_hq_sp64): Likewise.
3284 (movtf_insn_hq_vis_sp64): New pattern.
3285 (movtf_insn_sp64): Redo constraints and conditions.
3286 (movtf_insn_vis_sp64): New pattern.
3287 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3288 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3290 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3291 -mvis or -m64 to take down the number of various reload patterns.
3293 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3295 * pa/pa-64.h: New file.
3296 * pa/pa64-regs.h: New file.
3297 * pa/pa64-start.h: New file.
3298 * pa/t-pa64: New file.
3299 * pa/xm-pa64hpux.h: New file.
3301 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3303 * sparc.c (output_restore_regs): Prototype.
3304 (sparc_emit_float_lib_cmp): Constification.
3306 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3308 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3311 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3312 (get_value_hash, hash_rtx): Likewise.
3314 * ssa.c (compute_conservative_reg_partition): Prototype.
3316 * tree.c (mark_hash_entry): Prototype.
3318 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3320 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3321 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3322 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3324 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3325 * objc/lang-specs.h: Likewise.
3327 2000-04-03 Neil Booth <NeilB@earthling.net>
3329 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3330 and SYNTAX_ERROR2. Replace `' in messages with ''.
3331 (op_to_str): Make re-entrant.
3332 (_cpp_parse_expr): Implement new error macros. Use | rather
3333 than || to logically or 2 boolean integers. Simply expression
3334 checking we have a left operand iff needed.
3336 2000-04-03 Nick Clifton <nickc@cygnus.com>
3338 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3340 2000-04-03 Philip Blundell <philb@gnu.org>
3342 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3344 2000-04-03 Felix Lee <flee@cygnus.com>
3346 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3347 (run_shell): Use it.
3349 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3351 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3352 (stmp-fixproto): ...rather than here.
3354 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3356 * pa.c (print_operand): Compute 'base' only inside the code paths
3359 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3361 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3364 2000-04-03 Philipp Thomas <pthomas@suse.de>
3366 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3368 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3370 * Makefile.in (alias.o): Depend on $(TREE_H).
3372 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3374 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3376 * cpplib.c (_cpp_handle_directive): Improve warnings for
3377 traditional C and indented directives.
3379 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3380 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3381 fixinc/inclhack.def: Indent the # of #include_next one space.
3382 * cp/rtti.c: Un-indent #if and #endif.
3384 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3385 syntax error, but an error has already been printed.
3386 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3387 message when called with nothing remaining on the line.
3388 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3389 OTHER token, not an ASSERTION.
3390 * cpplib.c (do_assert): When we create a 'base' node, clear
3391 its aschain pointer.
3393 2000-04-02 Neil Booth <NeilB@earthling.net>
3395 * cppexp.c: New typedef op_t. struct operation and struct
3396 token updated to use it.
3397 (op_to_str): New function.
3398 (_cpp_parse_expr): Error messages modified to use op_to_str.
3400 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3402 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3403 before checking MUST_PASS_IN_STACK.
3405 2000-04-02 Neil Booth <NeilB@earthling.net>
3407 * cppexp.c: New FINISHED dummy token. Combine operator initial
3408 flags and initial priority into a single constant. New
3409 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3410 (_parse_cpp_expr): Implement new constants. Take left operand
3411 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3412 parse indicated by reducing FINISHED token. Remove new lines
3413 from cpp_error messages.
3415 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3417 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3420 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3422 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3423 directive. Add origin values to DIRECTIVE_TABLE. Generate
3424 the strings and function names on the fly. Take the #sccs
3425 entry out of the table if SCCS_DIRECTIVE is not defined.
3426 (_cpp_handle_directive): Decide if the # was at the beginning
3427 of the line here. Issue -pedantic warnings for extended
3428 directives here. Warn about K+R directives with the #
3429 indented, and C89/extended directives with the # not indented,
3431 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3432 do_assert, do_unassert): Don't issue pedantic warning here.
3434 * cpphash.h: Add CPP_WTRADITIONAL macro.
3435 * cpplib.h (struct cpp_options): Rename warn_stringify to
3436 warn_traditional; update comments.
3437 * cppinit.c (handle_option): Set warn_traditional not
3439 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3440 CPP_WTRADITIONAL (pfile).
3441 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3442 be ignored in -traditional mode here.
3444 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3445 to initialize speccase[] and trigraph_map[]. Delete all
3446 references to pfile->input_speccase. Always treat '?' as a
3447 special character. Remove table-initialization code from
3448 _cpp_init_input_buffer.
3450 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3451 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3453 2000-04-01 Richard Henderson <rth@cygnus.com>
3455 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3456 (mostlyclean): Likewise.
3458 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3459 (struct dump_file_info, enum dump_file_index, dump_file): New.
3460 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3461 not a string. Clean out file if we havn't yet done so. Do nothing
3462 if the dump isn't enabled.
3463 (close_dump_file): Do nothing if the dump isn't open. Dump
3464 graph data if requested.
3465 (dump_rtl, clean_dump_file): Remove.
3466 (compile_file): Don't clean the dump files. Only finalize .bp dump
3467 if flag_test_coverage or flag_branch_probabilities. Only finalize
3468 .combine dump if optimizing. Iterate over dump_file to finalize the
3470 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3471 Convert all uses of dump_rtl.
3472 (decode_d_option): Iterate over dump_file to implement 'a' and to
3473 locate pass-specific dumps.
3475 2000-04-01 Neil Booth <NeilB@earthling.net>
3477 * cppexp.c: Redefine priority constants.
3478 (_cpp_parse_expr): Replace left and right priority scheme with
3479 single priority logic. Move LOGICAL to same place as COMPARE.
3480 Remove bogus check for multiple unary +/- operators.
3482 2000-04-01 Neil Booth <NeilB@earthling.net>
3484 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3485 within the switch statement. Binary operations break out of
3486 the switch naturally. '(' tokens handled by forcing
3487 immediate shift. ')' handled by forcing immediate reduce to
3488 the previous '('. New error messages.
3490 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3492 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3493 part', it's already in use. Use %K instead. Add a return at the
3494 end of what is now %K.
3495 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3497 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3499 * builtins.c (expand_builtin_apply): Pass proper parameters to
3500 allocate_dynamic_stack_space.
3501 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3502 update stack_pointer_delta; do not update arg_size_so_far.
3503 (compute_argument_block_size): Use stack_delta instead of
3504 stack_pointer_pending and arg_size_so_far.
3505 (expand_call): Add sanity checking for stack_pointer_delta;
3506 save and restore stack_pointer_delta for SIB, use
3507 stack_pointer_delta for alignment; do not update arg_space_so_far.
3508 (emit_library_call_value): Use stack_pointer_delta for alignment.
3509 (store_one_arg): Do not update arg_space_so_far.
3510 * explow.c (adjust_stack, anti_adjust_stack): Update
3511 stack_pointer_delta.
3512 (allocate_dynamic_stack_space): Add sanity checking for
3513 stack_pointer_delta.
3514 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3515 stack_pointer_delta.
3516 (emit_push_insn): Update stack_pointer_delta.
3517 * function.h (struct expr_status): Add x_stack_pointer_delta;
3518 remove x_arg_space_so_far.
3519 (arg_space_so_far): Remove.
3520 (stack_pointer_delta): New macro.
3522 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3524 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3525 Reorder struct cpp_options and struct cpp_reader for better
3526 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3527 takes two args. Change all 'char' flags to 'unsigned char'.
3528 Move show_column flag into struct cpp_options. Don't
3529 prototype cpp_options_init.
3530 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3531 cppinit.c, cpplex.c, cpplib.c:
3532 Replace CPP_OPTIONS (pfile)->whatever with
3533 CPP_OPTION (pfile, whatever), and likewise for
3534 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3536 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3537 Extract CPP_OPTION (pfile, pending) and work with that
3539 (cpp_options_init): Delete.
3540 (cpp_reader_init): Turn on on-by-default options here.
3541 Allocate the pending structure here.
3542 (cl_options, enum opt_code): Define these from the same table,
3543 kept in a large macro. Add -fshow-column and -fno-show-column
3546 * cpperror.c (v_message): If show_column is off, don't print
3549 * cppmain.c: Update for new interface.
3550 * fix-header.c: Likewise.
3552 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3554 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3556 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3557 are passed to any invocation of AR_FOR_TARGET.
3558 (AR_CREATE_FOR_TARGET): New macro.
3559 (AR_EXTRACT_FOR_TARGET): New macro.
3560 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3561 AR_EXTRACT_FOR_TARGET.
3562 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3563 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3564 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3565 AR_EXTRACT_FOR_TARGET to sub-makes.
3567 2000-03-31 Neil Booth <NeilB@earthling.net>
3569 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3571 (_cpp_parse_expr): Check for multiple unary +/- operators.
3572 Correct priorities of ':' and '?'. Treat ')' as having a
3573 value. Ensure conditional expression is not void.
3575 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3577 * alias.c (canon_rtx): Make it global.
3578 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3580 * cse.c (struct table_elt): Add canon_exp.
3582 (invalidate): Canonicalize expressions only once.
3583 * rtl.h (canon_rtx): Declare.
3585 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3587 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3588 * alias.c (reg_known_value): Add comments.
3589 (init_alias_analysis): Likewise.
3590 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3592 (cse_basic_block): Fix typo in comment.
3593 * emit-rtl.c: Include hashtab.h.
3594 (const_int_htab): New variable.
3595 (const_int_htab_hash): New function.
3596 (const_int_htab_eq): Likewise.
3597 (rtx_htab_mark_1): Likewise.
3598 (rtx_htab_mark): Likewise.
3599 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3600 (unshare_all_rtx): Fix formatting.
3601 (init_emit_once): Initialize const_int_htab.
3602 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3604 * rtl.texi: Document the fact that all CONST_INTs with the same
3607 2000-03-30 Richard Henderson <rth@cygnus.com>
3609 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3611 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3613 * configure.in: Comment out --enable-c-cpplib stanza.
3614 * configure: Regenerate.
3616 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3618 * expr.c (store_constructor): Properly compute displacement and
3619 alignment when offset is variable.
3621 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3622 cases of alignment in bytes.
3624 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3626 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3627 since it is used to generate c-parse.y.
3628 * objc-parse.c, objc-parse.y: Regenerated.
3630 * function.c (expand_function_end): Pass alignment argument to
3631 emit_block_move in bits, not bytes.
3633 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3635 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3638 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3640 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3641 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3642 * function.c (assign_parms): Likewise.
3643 * integrate.c (expand_inline_function): Likewise.
3644 * stmt.c (expand_decl): Likewise.
3645 (copy_rtx_and_substitute): Likewise.
3646 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3647 (clear_by_pieces): Fix error in last change.
3648 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3649 * function.h (regno_pointer_align): Now unsigned.
3650 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3652 * config/i386/i386.c (aligned_operand): Likewise.
3653 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3654 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3655 (unaligned_memory_operand): Likewise.
3656 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3657 Also make alignments and sizes unsigned and some whitespace cleanup.
3658 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3660 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3661 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3662 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3663 (expand_builtin_memset): Likewise, but to clear_storage.
3664 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3665 (restore_fixed_argument_area): Likewise.
3666 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3667 (load_register_parameters): Likewise, to emit_group_load.
3668 (expand_call): Likewise, to emit_group_store and emit_block_move.
3669 (emit_library_call_value_1): Likewise, to emit_block_move.
3670 (store_one_arg): Likewise, and to emit_push_insn.
3671 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3672 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3673 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3674 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3675 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3676 (expand_assigment, store_expr, store_constructor_field): Likewise.
3677 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3678 (store_constructor, store_field, get_inner_reference): Likewise.
3679 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3680 (expand_expr, case COMPONENT_REF): Likewise.
3681 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3682 and positions; reindent code.
3683 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3684 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3685 (assign_parms): Likewise to emit_group_store.
3686 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3687 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3688 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3689 (expand_return): Likewise to {extract,store}_bit_field.
3690 * stor-layout.c (get_mode_alignment): Minor cleanup.
3691 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3692 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3694 2000-03-29 Nick Clifton <nickc@cygnus.com>
3696 * config/arm/arm.h: Undo effects of previous delta:
3697 (ASM_SPEC): Do not define.
3698 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3700 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3703 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3705 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3706 only after reading in the primary source file.
3708 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3710 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3711 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3712 or a reference to a va_list.
3713 * builtins.c (stabilize_va_list): Simplify now we don't have to
3714 work around C array address decay.
3715 * c-typeck.c (convert_for_assignment): Handle assignment to
3716 a reference parameter by taking the address of the RHS.
3717 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3718 (va_copy): Likewise.
3719 (__va_copy): Likewise.
3720 * ginclude/varargs.h (va_start): Likewise.
3721 (__va_copy): Likewise.
3723 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3725 * i386/djgpp.h: Remove extraneous "+".
3727 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3729 * calls.c (expand_call): Fix typo in last change.
3731 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3733 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3736 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3738 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3739 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3740 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3741 * tree.c (bit_position, byte_position): Likewise.
3742 * tree.h: Declare new functions.
3744 2000-03-29 Nick Clifton <nickc@cygnus.com>
3746 * config/arm/arm.c: Minor formatting changes/
3747 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3749 (ASM_SPEC): Define if not already defined.
3751 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3753 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3756 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3758 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3759 value, don't output it as unsigned.
3761 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3763 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3765 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3767 * c-common.c (c_common_nodes_and_builtins): Don't special case
3768 cplus_mode when declaring builtin bzero/bcmp, always avoid
3769 prototype arguments.
3771 2000-03-29 Bruce Korb <bkorb@gnu.org>
3773 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3776 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3778 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3779 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3780 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3781 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3782 (save_fixed_argument_area, restore_fixed_argument_area):
3783 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3784 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3785 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3786 (precompute_register_parameters): Avoid #ifdefs on
3787 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3788 (stire_one_args): Likewise.
3789 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3790 (emit_library_call_value_1): Likewise.
3791 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3792 ACCUMULATE_OUTGOING_ARGS.
3793 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3795 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3796 (use_crosses_set_p): Likewise.
3797 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3798 #define ACCUMULATE_OUTGOING_ARGS 1.
3799 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3801 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3803 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3804 (TARGET_SWITCHES): Add push-args, no-push-args,
3805 accumulate-outgoing-args and no-accumulate-outgoing-args.
3806 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3807 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3808 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3810 (emit_push_insn): Likewise.
3811 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3812 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3813 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3814 (STACK_DYNAMIC_OFFSET): Define correctly for both
3815 ACCUMULATE_OUTGOING_ARGS and normal mode.
3816 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3817 * tm.texi (PUSH_ARGS): Document.
3818 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3820 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3822 * flags.h (flag_optimize_sibling_calls): Declare.
3823 * calls.c (expand_call): Fail sibcall when
3824 !flag_optimize_sibling_calls
3825 * invoke.texi (flag_optimize_sibling_calls): Document.
3826 * toplev.c (flag_optimize_sibling_calls): New global variable.
3827 (f_options): Add flag_optimize_sibling_calls.
3828 (rest_of_compilation): Conditionize
3829 optimize_sibling_and_tail_recursive_calls by
3830 flag_optimize_sibling_calls.
3831 (main): Set flag_optimize_sibling_calls for -O2.
3832 * stmt.c (expand_return): Conditionize tail recursion by
3833 flag_optimize_sibling_calls.
3835 2000-03-29 Richard Henderson <rth@cygnus.com>
3837 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3838 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3840 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3842 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3844 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3846 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3848 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3849 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3850 * config/rs6000/aix.h: then modified likewise.
3852 2000-03-28 Richard Henderson <rth@cygnus.com>
3854 * rtl.h: Redistribute enum reg_note documentation.
3855 Kill trailing whitespace.
3856 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3857 Kill trailing whitespace.
3859 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3861 * cppfiles.c (hash_IHASH): Just return i->hash.
3862 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3863 htab_find_with_hash.
3864 (cpp_read_file): Likewise.
3865 (find_include_file): Likewise. Properly initialize
3866 ih->nshort. Share ih->name and ih->nshort if possible.
3867 * cpphash.c (_cpp_calc_hash): New function.
3868 (hash_HASHNODE): Just return h->hash.
3869 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3870 htab_find_with_hash.
3871 * cpphash.h: Prototype _cpp_calc_hash.
3872 * cppinit.c (initialize_builtins): Provide a valid hash
3873 to _cpp_make_hashnode, using _cpp_calc_hash.
3875 * cpphash.c (collect_expansion): # is not a special character
3876 in object-like macros. In -traditional mode, /**/ is not
3877 token paste at the beginning or end of the line.
3878 * cpplib.c (do_include, do_import, do_include_next): If
3879 parse_include fails, return immediately.
3881 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3883 * config/arm/arm.md (return peepholes): Update to reflect the new
3885 * config/arm/arm.c (arm_volatile_func): Also check
3886 current_function_nothrow.
3887 (output_return_instruction, output_func_prologue): Use it.
3888 (arm_output_epilogue, arm_expand_prologue): Likewise.
3890 2000-03-27 Tom Tromey <tromey@cygnus.com>
3892 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3895 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3897 * expr.c (store_constructor): SIZE now signed.
3898 For EXPR_SIZE, don't evaluate size; just needed if constant.
3899 * fold-const.c (fold): Fix a number of cases when folded tree is
3901 * function.c (flush_addressof): Reenable.
3902 * tree.h (flush_addressof): Likewise.
3903 * toplev.c (independent_decode_option): Look at strings_processed.
3904 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3906 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3908 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3909 Allow stack adjustment after function call.
3911 * regmove.c (struct csa_memlist): Make mem field rtx *.
3912 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3913 (try_apply_stack_adjustment): Replace whole MEM rtx.
3914 (combine_stack_adjustments_for_block): Update calls
3915 to record_one_stack_ref.
3917 2000-03-28 Neil Booth <NeilB@earthling.net>
3919 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3920 '\\' rather than a null character, so nulls are not special. Fix
3921 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3922 speed trigraph conversion.
3923 (_cpp_init_input_buffer): Initialize trigraph map.
3925 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3927 * config/i386/i386.c (output_387_binary_op): Correct intel
3928 mode assembly output, and add spaces after commas in AT&T
3929 output. Correct Unixware assembler comment. Document input
3930 constraints. Comment fp operations. Reduce profligate buffer
3931 size. Remove extraneous abort. Localize temp var.
3932 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3933 (output_fix_trunc): Add spaces after commas in assembly output.
3935 2000-03-27 Richard Henderson <rth@cygnus.com>
3937 * i386-protos.h (ix86_match_ccmode): Declare.
3938 * i386.c (ix86_match_ccmode): New.
3939 (ix86_expand_fp_compare): Update for pattern renames.
3940 (ix86_expand_strlensi_unroll_1): Likewise.
3941 * i386.h (EXTRA_CC_MODES): Add CCZ.
3942 (SELECT_CC_MODE): Use it for EQ/NE zero.
3943 * i386.md (cmpsi_ccz_1): New.
3945 (*testsi_ccz_1): New.
3946 (testqi_ccz_1): New.
3947 (cmpsi_ccno_1): Rename from cmpsi_0.
3948 (testsi_ccno_1): Rename from testsi_1.
3949 (testqi_ccno_1): Rename from testqi_1.
3950 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3951 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3952 (*cmphi_0): Use ix86_match_ccmode.
3953 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3954 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3955 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3956 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3957 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3958 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3959 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3960 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3961 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3962 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3963 (appropriate peepholes): Likewise.
3964 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3965 (*subsi_3, *subhi_3, *subqi_3): Remove.
3966 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3967 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3968 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3969 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3970 (x86_shift_adj_1): Use CCZ.
3971 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3973 2000-03-27 Stan Cox <scox@cygnus.com>
3975 * resource.h (mark_resource_type): New.
3976 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3977 find_free_register): Use mark_resource_type.
3978 (mark_set_resources): Change include_delayed_effects
3979 to mark_resource_type.
3980 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3981 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3982 Use mark_resource_type.
3984 2000-03-27 Richard Henderson <rth@cygnus.com>
3986 * i386.md (call_pop_0, call_value_pop_0): New.
3987 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3988 (call_value_pop_1): Likewise.
3989 (call_0, call_value_0): New.
3990 (call_1, call_value_1): Remove constraint from unused arg.
3992 2000-03-27 Nick Clifton <nickc@cygnus.com>
3994 * invoke.texi (Spec Files): Document new spec % command created by
3995 Tom Tromey's recent patch.
3997 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3999 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4002 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4004 * expr.c (expand_assignment): Fix typo in last change.
4006 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4008 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4010 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4011 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4012 and DECL_INLINE if FUNCTION_DECL.
4013 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4014 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4015 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4016 (combine_parm_decls): Likewise.
4017 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4018 * print-tree.c (print_node): Likewise.
4019 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4020 DECL_TRANSPARENT_UNION on proper decl types.
4021 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4022 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4023 DECL_BIT_FIELD of FIELD_DECL.
4024 * tree.h (DECL_RESULT_FLD): New macro.
4026 * expr.c (expand_assignment): Add code to handle variable-sized
4029 2000-03-26 Richard Henderson <rth@cygnus.com>
4031 * calls.c (expand_call): Pass parms not original exp to
4032 optimize_tail_recursion. Mind return value instead of looking
4034 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4035 call_expr. Move checks for call_expr and current_function_decl ...
4036 (expand_return): ... here.
4038 2000-03-26 Tom Tromey <tromey@cygnus.com>
4040 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4041 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4043 (process_command): Use them.
4044 (check_live_switch): Likewise.
4045 (give_switch): Skip ignored switches.
4047 2000-03-26 Jan Hubicka <jh@suse.cz>
4049 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4050 for minimal jump pass test.
4052 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4054 * integrate.c (function_cannot_inline_p): Do inline functions that
4057 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4059 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4060 now a list of TREE_LIST entries, not types.
4061 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4063 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4064 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4066 * config/mips/mips.c (function_arg): Likewise; also remove cast
4067 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4068 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4069 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4070 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4071 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4072 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4073 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4074 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4075 num_adjusts now unsigned.
4076 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4077 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4079 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4080 as is BITPOS variable; use host_integerp and int_bit_position.
4081 (function_arg_record_value_2): Likewise.
4082 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4083 Variable REGNO now unsigned.
4084 (function_arg_record_value): NREGS now unsigned.
4086 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4088 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4090 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4092 * Rework fields used to describe positions of bitfields and
4093 modify sizes to be unsigned and use HOST_WIDE_INT.
4094 * alias.c (reg_known_value_size): Now unsigned.
4095 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4096 (really_start_incremental_init): Use bitsize_zero_node.
4097 (push_init_level, pop_init_level, output_init_element): Likewise.
4098 Use bitsize_unit_node and bitsize_one_node.
4099 (output_pending_init_elements, process_init_element): Likewise.
4100 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4101 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4102 HOST_WIDE_INT, respectively.
4103 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4104 (num_sign_bit_copies): Returns unsigned.
4105 BITWIDTH now unsigned; rework arithmetic.
4106 Remove recursive call from arg to MAX.
4107 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4108 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4110 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4111 (find_split_point, expand_compound_operation, make_extraction): LEN
4112 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4113 (make_field_assignment): Likewise.
4114 (combine_simplify_rtx): Add cast.
4115 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4116 (force_to_mode): WIDTH now unsigned; add cast.
4117 (if_then_else_cond): SIZE now unsigned.
4118 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4119 (extended_count): Now returns unsigned.
4120 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4121 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4122 (simplify_comparison): MODE_WIDTH now unsigned.
4123 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4124 (mark_used_regs_combine): Likewise; rework arithmetic.
4125 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4126 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4127 (record_promoted_value): REGNO now unsigned.
4128 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4129 (get_last_value): REGNO now unsigned.
4130 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4131 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4132 (remove_death): Arg REGNO now unsigned.
4133 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4134 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4136 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4137 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4138 (struct cse_reg_info): REGNO now unsigned.
4139 (cached_regno): Now unsigned.
4140 (REGNO_QTY_VALID_P): Add cast.
4141 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4142 (remove_invalid_regs): Likewise.
4143 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4144 as are variables END and I.
4145 (get_cse_reg_info, insert): Likewise.
4146 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4147 (canon_hash): Likewise.
4148 (insert_regs, lookup_for_remove): REGNO now unsigned.
4149 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4151 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4152 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4153 * emit-rtl.c (subreg_realpart_p): Add cast.
4154 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4155 (operand_subword_force): Arg I is now unsigned.
4156 * except.c (eh_regs): Variable I is now unsigned.
4157 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4158 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4159 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4160 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4161 (extract_split_bit_field, store_bit_field, extract_bit_field):
4163 * expr.c (store_constructor_fields, store_constructor, store_field):
4164 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4165 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4166 (do_jump): Likewise.
4167 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4168 MAX_SIZE is now unsigned.
4169 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4170 (emit_group_store): Likewise.
4171 (emit_move_insn): I now unsigned.
4172 (store_constructor): Use host_integerp, tree_low_cst, and
4174 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4175 Rework all calculations to use trees and new fields.
4176 * expr.h (promoted_input_arg): Regno now unsigned.
4177 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4178 (mark_seen_cases): Arg is HOST_WIDE_INT.
4179 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4180 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4181 precisions and alignments are unsigned.
4182 (optimize_bit_field_compare, fold_truthop): Likewise.
4183 (int_const_binop): Adjust threshold for size_int_type_wide call.
4184 (fold_convert): Likewise.
4185 (size_int_type_wide): Make table larger and fix thinko that only
4186 had half of table used.
4187 (all_ones_mask_p, fold): Precisions are unsigned.
4188 * function.c (put_reg_info_stack): REGNO is unsigned.
4189 (instantiate_decl): Size is HOST_WIDE_INT.
4190 (instantiate_virtual_regs): I is unsigned.
4191 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4192 (promoted_input_arg): REGNO is unsigned.
4193 * function.h (struct function): x_max_parm_reg is now unsigned.
4194 * gcse.c (max_gcse_regno): Now unsigned.
4195 (struct null_pointer_info): min_reg and max_reg now unsigned.
4196 (lookup_set, next_set): REGNO arg now unsigned.
4197 (compute_hash_table): REGNO and I now unsigned.
4198 (handle_avail_expr): regnum_for_replacing now unsigned.
4199 (cprop_insn): REGNO now unsigned.
4200 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4201 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4202 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4203 * hard-reg-set.h (reg_class_size): Now unsigned.
4204 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4205 * jump.c (mark_modified_reg): I now unsigned; add cast.
4206 (rtx_equal_for_thread_p): Add cast.
4207 * loop.c (max_reg_before_loop): Now unsigned.
4208 (struct_movable): REGNO now unsigned.
4209 (try_copy_prop): REGNO arg unsigned.
4210 (regs_match_p): XN and YN now unsigned.
4211 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4212 (strength_reduce): Likewise; NREGS also unsigned.
4213 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4214 * loop.h (struct iv_class): REGNO now unsigned.
4215 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4217 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4218 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4219 * optabs.c (expand_binop): I and NWORDS now unsigned.
4220 (expand_unop): I now unsigned.
4221 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4222 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4223 * real.c (significand_size): Now returns unsigned.
4224 * real.h (significand_size): Likewise.
4225 * regclass.c (reg_class_size): Now unsigned.
4226 (choose_hard_reg_mode): Both operands now unsigned.
4227 (record_reg_classes): REGNO and NR now unsigned.
4228 (reg_scan): NREGS now unsigned.
4229 (reg_scan_update): old_max_regno now unsigned.
4230 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4231 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4232 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4233 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4234 Likewise for variable R.
4235 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4236 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4237 (find_equiv_reg): Add casts.
4238 (regno_clobbered_p): Arg REGNO now unsigned.
4239 * reload.h (struct reload): NREGS now unsigned.
4240 (refers_to_regno_for_reload_p): Regno args are unsigned.
4241 (regno_clobbered_p): Likewise.
4242 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4243 (compute_use_by_pseudos): REGNO now unsigned.
4244 (find_reg): I and J now unsigned, new variable K, and change loop
4245 variables accordingly; THIS_NREGS now unsigned.
4246 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4247 (spill_hard_reg): REGNO arg now unsigned; add casts.
4248 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4249 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4250 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4251 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4252 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4253 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4254 (emit_reload_insns): REGNO now unsigned.
4255 (reload_cse_move2add): Add cast.
4256 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4258 * resource.c (mark_referenced_resources, mark_set_resources): New
4259 variable R; REGNO and LAST_REGNO now unsigned.
4260 (mark_target_live_regs): J and REGNO now unsigned.
4261 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4262 * rtl.h (union rtunion_def): New field rtuint.
4263 (XCUINT): New macro.
4264 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4265 (operand_subword, operand_subword_force): Word number is unsigned.
4266 (choose_hard_reg_mode): Operands are unsigned.
4267 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4268 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4269 (regno_use_in, combine_instructions, remove_death): Likewise.
4270 (reg_scan, reg_scan_update): Likewise.
4271 (extended_count): Return is unsigned.
4272 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4273 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4274 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4275 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4276 (reg_reg_last_1): FIRS and LAST now unsigned.
4277 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4278 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4280 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4281 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4282 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4283 (replace_regs): Arg NREGS now unsigned.
4284 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4285 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4286 (simplify_binary_operation): Likewise.
4287 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4288 THIS_LAST now unsigned.
4289 (cselib_record_set): Add cast.
4290 * ssa.c (ssa_max_reg_num): Now unsigned.
4291 (rename_block): REGNO now unsigned.
4292 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4294 (all_cases_count): Just return -1 not -2.
4295 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4296 Rework tests to use trees whenever possible.
4297 Use host_integerp and tree_low_cst.
4298 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4299 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4300 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4301 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4302 (smallest_mode_for_size): Likewise.
4303 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4304 KNOWN_ALIGN is now an alignment, so simplify code.
4305 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4306 (start_record_layout): Renamed from new_record_layout_info.
4307 Update to new fields.
4308 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4310 (place_union_field): Renamed from layout_union_field.
4311 Update to use new fields in rli.
4312 (place_field): Renamed from layout_field.
4313 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4314 (finalize_record_size): Rework to use new fields in rli and handle
4316 (compute_record_mode): Rework to simplify and to use new DECL fields.
4317 (finalize_type_size): Make rounding more consistent.
4318 (finish_union_layout): Deleted.
4319 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4320 (layout_type, case RECORD_TYPE): Call new function names.
4321 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4322 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4323 (get_best_mode): UNIT is now unsigned; remove casts.
4324 * tree.c (bit_position): Compute from new fields.
4325 (byte_position, int_byte_position): New functions.
4326 (print_type_hash_statistics): Cast to remove warning.
4327 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4328 (build_index_type): Likewise; make subtype of sizetype.
4329 (build_index_2_type): Pass sizetype to build_range_type.
4330 (build_common_tree_nodes): Use size_int and bitsize_int to
4331 initialize nodes; add bitsize_{zero,one,unit}_node.
4332 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4333 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4334 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4335 (DECL_FIELD_BITPOS): Deleted.
4336 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4337 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4338 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4339 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4340 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4341 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4342 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4343 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4344 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4345 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4346 (DECL_ALIGN): Adjust to new field in union.
4347 (DECL_OFFSET_ALIGN): New field.
4348 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4349 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4350 (union tree_decl): Add struct for both aligns.
4351 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4352 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4353 (struct record_layout_info): Rework fields to have offset
4354 alignment and byte and bit position.
4355 (start_record_layout, place_field): Renamed from old names.
4356 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4357 (byte_position, int_byte_position): Likewise.
4358 (get_inner_reference): Change types of position and length.
4359 * unroll.c (unroll_loop): New variable R; use for some loops.
4360 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4361 (calculate_giv_inc): Arg REGNO now unsigned.
4362 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4363 * varasm.c (assemble_variable): Clean up handling of size using
4364 host_integerp and tree_low_cst.
4365 (decode_addr_const): Use byte, not bit, position.
4366 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4367 use tree_low_cst and int_bit_position.
4368 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4370 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4372 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4373 (reorder_block_def): New members eff_head and eff_end.
4374 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4375 (verify_insn_chain): New function.
4376 (skip_insns_between_block): Add code to skip deleted insns.
4377 Check for note before using.
4378 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4379 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4380 Check for note before using.
4381 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4382 (fixup_reorder_chain): Restructure, clean up, defect removal.
4383 (reorder_basic_blocks): Remove last_insn and references to it.
4384 Moved insn chain verification code into a new function (see above).
4385 Delete defective code that sets last insn.
4386 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4389 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4391 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4393 2000-03-24 Richard Henderson <rth@cygnus.com>
4395 * tree.c (lang_safe_for_unsave): Remove.
4396 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4397 allowing for two levels of unsafeness. Remove lang hook.
4398 * tree.h: Update declarations.
4399 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4400 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4401 Always fail sibcalls when there are pending cleanups.
4403 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4405 * flow.c (propagate_block): When we delete an ADDR_VEC,
4406 also delete the BARRIER following it if there is one.
4408 2000-03-24 Richard Henderson <rth@cygnus.com>
4410 * builtins.c (expand_builtin_bzero): Convert `length' argument
4413 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4415 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4416 comparison if regno's are equal.
4417 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4418 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4419 (expand_call): Update caller.
4420 Avoid making a sibling call if argument size of the callee is larger
4421 than argument size of the caller.
4422 Call hard_function_value with outgoing set if in sibcall pass.
4423 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4425 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4426 Change LEAF_REGISTERS from an array initializer to actual array
4427 identifier. Move static global variable into the function.
4428 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4429 sequences for leaf functions.
4430 * global.c (global_alloc): Likewise.
4431 * tm.texi (LEAF_REGISTERS): Update documentation.
4433 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4434 TARGET_FLAT leaf disabling hack.
4435 (LEAF_REGISTERS): Changed from an array initializer to actual array
4436 identifier to avoid duplication and remove the above hack.
4437 (FUNCTION_OK_FOR_SIBCALL): Define.
4438 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4439 always like call attribute.
4440 (eligible_for_sibcall_delay): New attribute.
4441 (sibcall): New delay type.
4442 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4443 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4444 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4445 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4446 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4448 (output_function_epilogue): Move part of the code into
4449 output_restore_regs.
4450 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4452 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4455 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4456 until infrastructure is finished.
4458 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4460 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4461 (save_parm_insns): Not here.
4463 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4465 * builtins.c (expand_builtin_bzero): New function.
4466 (expand_builtin): Handle bzero.
4468 * builtins.def: Add BUILT_IN_BZERO.
4470 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4471 prototype & function for bzero.
4473 2000-03-23 Michael Meissner <meissner@redhat.com>
4475 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4476 change adding TARGET_FP to the TF floating point insns, except for
4477 trunctfsf2, which generates direct calls to truncdfsf2.
4479 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4481 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4482 try to protect against middle-end changes that break binary
4484 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4486 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4488 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4490 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4492 * calls.c (expand_call): If TARGET is passed by reference and
4493 is readonly, write a CLOBBER.
4495 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4497 * builtins.c (expand_builtin): Handle bcmp.
4499 * builtins.def: Add BUILT_IN_BCMP.
4501 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4502 prototype & function for bcmp.
4504 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4506 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4507 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4508 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4510 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4512 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4513 alternative when using -fp64 -gp32.
4515 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4517 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4518 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4519 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4521 * frame.h (frame_state): Revert last change.
4522 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4523 * libgcc2.c (throw_helper): Revert last change.
4525 2000-03-22 Richard Henderson <rth@cygnus.com>
4527 * stmt.c (expand_asm_operands): Don't promote the temporary.
4529 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4531 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4532 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4533 c_get_alias_set): Likewise.
4534 * c-decl.c (duplicate_decls): Likewise.
4535 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4536 * calls.c (initialize_argument_information): Likewise.
4537 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4539 * dwarfout.c (decl_class_context,output_type): Likewise.
4540 * expr.c (get_inner_reference): Likewise.
4541 * fold-const.c (simple_operand_p,fold): Likewise.
4542 * function.c (aggregate_value_p): Likewise.
4543 * stmt.c (expand_asm_operands): Likewise.
4544 * varasm.c (named_section): Likewise.
4546 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4548 Implement dwarf2 exception handling for the ARM.
4549 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4550 (DWARF_FRAME_RETURN_COLUMN): Define.
4551 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4552 REG_FRAME_RELATED_EXPR note.
4553 (emit_sfm): Likewise.
4554 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4555 * dwarf2out.c (reg_save): Handle saving a register to itself.
4556 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4557 * except.c (eh_regs): Don't use the static chain reg if it's
4559 * frame.h (frame_state): Add cfa_saved field.
4560 * frame.c (execute_cfa_insn): Set it.
4561 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4563 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4565 (instantiate_virtual_regs): Adjust.
4567 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4568 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4569 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4571 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4572 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4574 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4576 * builtins.def: New file.
4578 * Makefile.in (TREE_H): Depend on builtins.def.
4580 * builtins.c (built_in_names): Use builtins.def.
4582 * tree.h (built_in_function): Likewise.
4584 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4586 * tree.c (size_in_bytes): Return size_zero_node, not
4589 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4591 * config/fp-bit.c (pack_d): Correct the case when a denormal
4592 is rounded up and stops being denormal.
4594 2000-03-21 Richard Henderson <rth@cygnus.com>
4596 * config/alpha/alpha.c (function_arg): Check for void_type_node
4597 before using MUST_PASS_IN_STACK.
4599 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4601 * regmove.c (combine_stack_adjustments_for_block): Check that
4602 the stack pointer is a valid memory address.
4604 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4606 * calls.c: re-install Mar 16 emit_library_call merge.
4608 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4610 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4611 we cannot be sure that if reload_completed base register will
4612 be properly aligned.
4614 2000-03-21 Richard Henderson <rth@cygnus.com>
4616 * flow.c (delete_block): Fix typo last change.
4618 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4620 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4621 not COMPLETE_TYPE_P, to check the type of the expression.
4623 2000-03-21 Michael Meissner <meissner@redhat.com>
4625 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4626 all floating point insns that just tested the macro
4627 TARGET_HAS_XFLOATING_LIBS.
4628 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4629 used to only use the gprs.
4631 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4633 * tree.h (COMPLETE_TYPE_P): New macro.
4634 (COMPLETE_OR_VOID_TYPE_P): New macro.
4635 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4636 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4637 * c-aux-info.c (gen_type): Use them.
4638 * c-common.c (c_expand_expr_stmt): Likewise.
4639 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4640 grokdeclarator, grokparms, finish_struct, start_function,
4641 store_parm_decls, combine_parm_decls): Likewise.
4642 * c-parse.y (cast_expr): Likewise.
4643 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4644 c_size_in_bytes, c_alignof, build_component_ref,
4645 build_indirect_ref, build_array_ref, convert_arguments,
4646 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4647 * calls.c (initialize_argument_information): Likewise.
4648 * convert.c (convert_to_integer): Likewise.
4649 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4650 * dwarfout.c (location_or_const_value_attribute,
4651 output_enumeration_type_die, output_structure_type_die,
4652 output_union_type_die, output_type): Likewise.
4653 * expr.c (safe_from_p, expand_expr): Likewise.
4654 * function.c (assign_parms): Likewise.
4655 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4656 * tree.c (build_array_type, build_function_type,
4657 build_method_type, build_offset_type, build_complex_type): Likewise.
4658 * c-parse.c, c-parse.h: Regenerated.
4660 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4662 * config/c4x/rtems.h: Include config/rtems.h.
4664 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4666 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4667 decl is a FUNCTION_DECL
4669 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4671 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4672 function uses output registers. Don't save RP for leaf functions.
4673 Do save RP even if no epilogue.
4674 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4675 (CALL_USED_REGISTERS): Unmark in registers.
4676 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4679 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4681 * config/rs6000/rs6000.md (bunordered): New expander.
4682 (bordered): New expander.
4683 (buneq): New expander.
4684 (bunge): New expander.
4685 (bungt): New expander.
4686 (bunle): New expander.
4687 (bunlt): New expander.
4688 (bltgt): New expander.
4690 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4691 (ccr_bit_negated_p): New function.
4692 (print_operand): For %C, generate appropriate cror for UNEQ,
4693 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4695 2000-03-20 Andreas Jaeger <aj@suse.de>
4697 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4700 * tree.h (safe_for_unsave): Prototype.
4702 2000-03-20 Richard Henderson <rth@cygnus.com>
4704 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4705 (combine_stack_adjustments_for_block): Don't allow sp references
4706 in the side of a set we're not fixing up.
4707 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4708 after life_analysis.
4710 2000-03-20 Richard Henderson <rth@cygnus.com>
4712 * calls.c (expand_call): Don't bother generating tail call
4713 sequences if there are pending cleanups. Use
4714 expand_start_target_temps/expand_end_target_temps to elide
4715 cleanups created during sibcall expansion.
4717 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4719 * configure.in: Set $IFS to a value if it doesn't already have one
4720 in the --enable-checking handling.
4721 * configure: Regenerate.
4723 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4725 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4726 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4729 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4731 * jump.c (delete_noop_moves): Remove code attempting to
4732 combine stack adjustments.
4734 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4736 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4737 * except.c (emit_cleanup_handler): Use them.
4738 (expand_end_all_catch): Likewise.
4739 * function.c (fixup_var_refs): Likewise.
4740 (expand_function_end): Clear catch_clauses_last.
4741 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4742 * except.h (struct eh_status): New field x_catch_clauses_last.
4743 (catch_clauses_last): New define.
4745 * Makefile.in (tree.o): Depend on HASHTAB_H.
4746 * tree.c: Include hashtab.h.
4747 (struct type_hash): Remove next field.
4748 (TYPE_HASH_SIZE): Remove.
4749 (TYPE_HASH_INITIAL_SIZE): New define.
4750 (type_hash_table): Change type to htab_t.
4751 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4752 mark_hash_entry): New functions.
4753 (init_obstacks): Allocate type hash.
4754 (type_hash_lookup): Use htab functions.
4755 (type_hash_add, mark_type_hash): Likewise.
4756 (dump_tree_statistics): Call print_type_hash_statistics.
4758 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4760 * rs6000/t-aix41: New file.
4762 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4764 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4766 * tm.texi (Driver): Fix typos and tweak entry for
4768 Move misplaced STRUCT_FORCE_BLK entry ...
4769 (Storage Layout): ... to here.
4770 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4772 2000-03-19 Richard Henderson <rth@cygnus.com>
4774 * flow.c (delete_block): Delete the addr_vec along with the block.
4775 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4778 * fold-const.c (extract_muldiv): Apply type check for defined
4779 overflow to multiply as well as divide.
4781 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4783 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4785 * emit-rtl.c (remove_unncessary_notes): Check that all
4786 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4787 associated NOTE_BLOCK.
4788 * function.h (identify_blocks): Update comments.
4789 (reorder_blocks): Declare.
4790 * function.c (identify_blocks): Don't take paramters.
4791 (reorder_blocks): Don't take parameters.
4792 * loop.h (find_loop_tree_blocks): Remove.
4793 (unroll_block_trees): Likewise.
4794 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4795 reorder_blocks instead of unroll_block_trees.h
4796 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4797 * stmt.c (find_loop_tree_blocks): Remove.
4798 (unroll_block_trees): Likewise.
4799 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4800 in whole-function mode.
4801 * tree.h (reorder_blocks): Remove declaration.
4803 * expr.c: Include intl.h.
4804 * Makefile.in (expr.o): Depend on intl.h.
4806 2000-03-18 Richard Henderson <rth@cygnus.com>
4808 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4810 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4812 * tree.h (tree_index): Remove enumerals for integer types.
4813 (integer_type_kind): New type.
4814 (integer_types): New variable.
4815 (char_type_node): Adjust.
4816 (signed_char_type_node): Likewise.
4817 (unsigned_char_type_node): Likewise.
4818 (short_integer_type_node): Likewise.
4819 (short_unsigned_type_node): Likewise.
4820 (integer_type_node): Likewise.
4821 (unsigned_type_node): Likewise.
4822 (long_integer_type_node): Likewise.
4823 (long_unsigned_type_node): Likewise.
4824 (long_long_integer_type_node): Likewise.
4825 (long_long_unsigned_type_node): Likewise.
4826 * tree.c (integer_types): New variable.
4827 (init_obstacks): Register it as a root.
4829 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4831 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4832 NEXT_INSN. Update last insn in chain.
4834 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4836 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4837 with TYPE_DECL_SUPPRESS_DEBUG set.
4839 2000-03-18 Richard Henderson <rth@cygnus.com>
4841 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4843 2000-03-18 Richard Henderson <rth@cygnus.com>
4845 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4846 care for HALF_PIC_P.
4847 (expander_call_insn_operand): Remove.
4848 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4849 * i386.h (PREDICATE_CODES): Update.
4850 * i386.md (all call expanders): Remove predicates, remove special
4851 handling for half-pic.
4852 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4853 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4854 (sibcall_epilogue): New.
4856 2000-03-17 Richard Henderson <rth@cygnus.com>
4858 * rtlanal.c (single_set): Reject if the parallel has anything
4859 except SET or USE or CLOBBER.
4861 2000-03-17 Jeff Law <law@cygnus.com>
4862 Richard Henderson <rth@cygnus.com>
4864 * Makefile.in (OBJS): Add sibcall.o.
4866 * sibcall.c: New file.
4867 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4868 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4869 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4870 Emit sibcall patterns when requested. Update all callers.
4871 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4872 elimination seems feasable.
4873 * final.c (leaf_function_p): Sibling calls don't discount being
4875 * flow.c (HAVE_sibcall_epilogue): Provide default.
4876 (find_basic_blocks_1): Sibling calls don't throw.
4877 (make_edges): Make edge from sibling call to EXIT.
4878 (propagate_block): Don't remove sibcall_epilogue insns.
4879 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4880 (sibcall_epilogue): New.
4881 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4882 (identify_blocks_1): Likewise. Break out from ...
4883 (identify_blocks): ... here.
4884 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4885 (reorder_blocks): ... here.
4886 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4887 (record_insns): Extend a varray instead of mallocing new memory.
4888 (contains): Read a varray not array of ints.
4889 (sibcall_epilogue_contains): New.
4890 (thread_prologue_and_epilogue_insns): Emit and record
4891 sibcall_epilogue patterns.
4892 (init_function_once): Allocate prologue/epilogue varrays.
4893 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4894 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4896 (save_for_inline_nocopy): ... here.
4897 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4899 (expand_inline_function): ... here.
4900 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4901 (subst_constants): Handle 'n' formats.
4902 * jump.c (jump_optimize_minimal): New.
4903 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4904 optimizations if it's set.
4905 * rtl.c (copy_rtx): Do copy jump & call for insns.
4906 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4907 (SIBLING_CALL_P): New.
4908 (sibcall_use_t): New.
4909 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4910 Invoke optimize_sibling_and_tail_recursive_calls.
4911 * tree.c (lang_safe_for_unsave): New.
4912 (safe_for_unsave): New.
4913 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4915 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4916 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4917 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4919 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4921 * objc/objc-act.c (encode_method_prototype): Pass types, not
4922 PARM_DECLs, to int_size_in_bytes.
4924 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4926 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4928 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4929 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4931 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4933 * Clean up usages of TREE_INT_CST_LOW.
4934 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4935 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4937 * c-tree.h (min_precision): Move declaration to here.
4938 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4939 (build_unary_op, add_pending_init): Use bit_position.
4940 (pending_init_member, process_init_element): Likewise.
4941 (really_start_incremental_init, push_init_level, pop_init_level):
4942 Don't make copies of nodes or modify them in place, use consistent
4943 types when tracking positions, and use tree routines computations.
4944 (set_init_index, output_init_element): Likewise.
4945 (output_pending_init_elements, process_init_element): Likewise.
4946 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4947 tree_low_cst and int_bit_position; also minor cleanup.
4948 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4949 (print_cst_octal): Precision is unsigned.
4950 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4951 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4952 (simple_type_align_in_bits): Result is unsigned int.
4953 Use tree_int_low_cst and host_integerp.
4954 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4955 (field_byte_offset): Result is HOST_WIDE_INT.
4956 Change types of internal variables so alignments are unsigned int,
4957 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4958 Use host_integerp, tree_low_cst, and int_bit_position.
4959 (add_bit_offset_attribute): Likewise.
4960 (add_data_member_location_attribute): Use tree_cst_low.
4961 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4962 (add_bit_size_attribute): Use tree_low_cst.
4963 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4964 * dwarfout.c: Similar changes to dwarf2out.c.
4965 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4966 * genoutput.c (n_occurences): Return -1 for null string.
4967 (strip_whitespace): Accept null string and make into function.
4968 (scan_operands): Reflect above changes.
4969 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4970 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4971 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4972 * tree.c (int_size_in_bytes): Check for too big to represent.
4973 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4974 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4976 (min_precision): Delete from here.
4977 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4978 and int_bit_position.
4979 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4980 (encode_method_def): Likewise.
4981 (build_ivar_list_initializer): Use int_bit_position.
4982 (generate_shared_structures): Convert size.
4983 (encode_type, encode_complete_bitfield): Use integer_zerop.
4984 (encode_bitfield): Use tree_low_cst and int_bit_position.
4986 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4988 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4990 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4992 * call.c (special_function_p): It is only malloc if it returns
4995 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4997 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4998 (C33_FLAG, TARGET_C3X): Add macros.
4999 (TARGET_SWITCHES): Add -m33 option.
5000 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5002 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5004 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5005 (PARALLEL_PACK_FLAG): Delete.
5006 (TARGET_SWITCHES): Update.
5007 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5009 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5011 * fold-const.c (fold): Fix a few cases when the returned result
5012 is not of the same type as the input.
5014 2000-03-16 Nick Clifton <nickc@cygnus.com>
5016 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5019 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5021 * libgcc2.h: Move prototypes above macros with the same name.
5022 Wrap some function prototypes in the conditional which indicates
5023 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5025 2000-03-16 Richard Henderson <rth@cygnus.com>
5027 * calls.c: Revert last two changes.
5029 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5031 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5032 has exponent 0 is a zero.
5034 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5035 HASH may already be nonzero. Add code/mode into hash value
5036 immediately after repeat label.
5037 (cselib_lookup): Don't leave the hash table in an inconsistent
5038 state before a hash lookup operation.
5040 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5042 * i386.md (all HI and QI mode non-move patterns): Conditionize
5043 by TARGET_[HQ]IMODE_MATH.
5044 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5045 x86_promote_qi_regs): Declare.
5046 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5047 TARGET_PROMOTE_QI_REGS): New macros.
5048 (PROMOTE_MODE): New macro.
5049 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5050 x86_promote_qi_regs): New global variables.
5052 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5054 * calls.c (emit_library_call_value_1): Break out from ...; handle
5055 VOIDmode function calls too.
5056 (emit_library_call_value): ... here.
5057 (emit_library_call): Implement by calling emit_library_call_value_1.
5059 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5061 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5062 Update arg_space_so_far on stack adjustments.
5063 (emit_library_call, emit_library_call_value): Likewise; take into
5064 account arg_space_so_far and pending_stack_adjust when calculcating
5067 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5069 * flow.c: Move all basic block reordering code into its own file.
5070 (create_basic_block): Externalize.
5071 * bb-reorder.c: New file. Copy all basic block reordering code from
5072 flow.c to this file.
5073 (reorder_basic_blocks): Fix fencepost error in for-loop.
5074 (reorder_basic_blocks): Remove braces from single statement for-loops.
5075 * basic-block.h: Add declaration for create_basic_block.
5076 * Makefile.in: Add rules for bb-reorder.o.
5078 2000-03-16 Neil Booth <NeilB@earthling.net>
5080 * cppinit.c (handle_option): Implement #unassert directive
5081 as -A- command line option.
5082 (print_help): Update.
5083 * cpptexi.c: Update.
5085 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5087 * md.texi (Standard Names): Document `jump'.
5089 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5091 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5094 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5096 Merge changes from newppc-branch onto trunk.
5098 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5100 * rs6000.c (toc_hash_table): Update for new hash table functions.
5101 (toc_hash_function): Likewise.
5102 (toc_hash_eq): Likewise.
5103 (toc_hash_mark_entry): Likewise.
5104 (toc_hash_mark_table): Likewise.
5105 (output_toc): Likewise.
5106 (rs6000_add_gc_roots): Likewise.
5108 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5110 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5111 (AR_FLAGS_FOR_TARGET): here. New macro.
5113 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5115 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5116 fpmem_operand) Delete.
5118 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5119 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5120 (rs6000_save_machine_status, rs6000_restore_machine_status,
5121 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5122 references to above variables.
5123 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5124 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5125 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5126 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5127 (XER_REGNO_P, XER_REGNO): New.
5128 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5129 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5130 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5132 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5133 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5134 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5136 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5138 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5139 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5140 * rs6000.h: from here.
5142 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5143 (rs6000_select_rtx_section): Likewise.
5144 (rs6000_encode_section_info): Likewise.
5145 (sdata_section): Likewise.
5146 (sdata2_section): Likewise.
5147 (sbss_section): Likewise.
5148 * sysv4.h (rs6000_select_section): Delete prototype.
5149 (rs6000_select_rtx_section): Likewise.
5150 (rs6000_encode_section_info): Likewise.
5151 (sdata_section): Likewise.
5152 (sdata2_section): Likewise.
5153 (sbss_section): Likewise.
5154 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5156 * sysv4.h: Delete various unnecessary #undef's and put a comment
5157 on the remaining ones.
5158 Change various comments according to coding standard.
5160 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5162 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5163 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5164 (CR0_REGNO_P) Remove.
5165 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5166 setup_incoming_varargs, mtcrf_operation, print_operand,
5167 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5168 Use the above macros.
5170 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5172 * config/rs6000/rs6000.md: Added a new alternative for each
5173 pattern that had a 'x' alternative but no 'y' alternative.
5174 Added a new split for each of the above patterns.
5176 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5178 * aix41.h (ASM_CPU_SPEC): Delete.
5179 (CPP_CPU_SPEC): Delete.
5181 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5182 (ASM_OUTPUT_LABEL): Define.
5183 (ASM_GLOBALIZE_LABEL): Define.
5184 (STRIP_NAME_ENCODING): Define.
5185 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5186 (STRIP_NAME_ENCODING): Don't define.
5187 (ASM_OUTPUT_LABEL): Don't define.
5188 (ASM_GLOBALIZE_LABEL): Don't define.
5189 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5190 names, and ASM_OUTPUT_LABEL to output labels, rather than
5192 (ASM_OUTPUT_LABEL): Define.
5193 (ASM_OUTPUT_INT): Use assemble_name.
5194 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5195 (STRIP_NAME_ENCODING): Don't undefine first.
5196 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5198 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5199 specified with 'asm' even with -fleading-underscore.
5200 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5201 (output_epilog): Likewise.
5202 (output_toc): Likewise.
5203 * tramp.asm: Handle -fleading-underscore correctly.
5205 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5207 (nonlocal_goto_receiver): Delete.
5208 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5210 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5211 (SET_ASM_OP): Define.
5212 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5214 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5217 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5218 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5220 * rs6000.h: Add 'u' to more constants.
5222 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5224 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5226 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5228 * rs6000.c (reg_or_u_cint_operand): New function.
5229 (logical_operand): Handle 64-bit hosts.
5230 (logical_u_operand): New function.
5231 (non_logical_cint_operand): Handle 64-bit hosts.
5232 (non_logical_u_cint_operand): New function.
5233 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5234 (PREDICATE_CODES): Define new functions.
5235 * rs6000-protos.h: Declare new functions.
5236 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5237 (movdi_64): Bracket code intended for 64-bit hosts. Create
5238 CONST_DOUBLE for 32-bit values.
5239 (scc insns): Generate DImode compares.
5240 (mfcr insns): Create DImode versions.
5241 (sge matchers): New patterns.
5243 2000-02-15 Gabriel Paubert <paubert@iram.es>
5245 * rs6000.md: Correct instructions length attributes and
5246 constraints on unsigned compare instructions.
5247 (*ne0): Disable for PowerPC64.
5249 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5251 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5252 quantity, fix profile1.C test failure under -fPIC.
5254 * rs6000.c: Add 'u' to many constants to suppress warnings.
5255 (constant_pool_expr_1): Make static.
5256 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5257 * rs6000.h: Add 'u' to many constants to suppress warnings.
5259 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5260 for the start of the TOC, instead of LCTOC..0.
5261 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5263 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5264 (load_toc_aix_di): Use LCTOC..1.
5266 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5267 * rs6000.c (rs6000_legitimize_address): New function from
5268 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5269 symbols in the constant pool that really are TOC references.
5270 (print_operand_address): For ELF, write TOC offsets under
5271 -fPIC as subtractions in the insn.
5272 (output_toc): For ELF, define symbols in TOC as normal labels,
5274 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5275 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5276 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5277 * rs6000.md (movsi): Only use create_TOC_reference on
5278 symbols in the constant pool that really are TOC references.
5280 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5281 * rs6000.c (rs6000_reorg): Delete.
5282 * rs6000-protos.h (rs6000_reorg): Delete.
5284 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5286 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5288 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5289 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5290 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5291 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5292 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5293 rs6000_aix_emit_builtin_unwind_init.
5294 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5295 rs6000_emit_eh_toc_restore on AIX.
5296 (return_eh_si): Use r2.
5297 (return_eh_di): Use r2.
5299 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5300 since we're breaking binary compatibility anyway.
5302 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5304 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5305 constant_pool_expr_p): Declare them.
5306 (constant_pool_expr_p): Declare it.
5307 * config/rs6000/rs6000.c (toc_label_name): Define.
5308 (rs6000_override_options): Set toc_label_name.
5309 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5310 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5311 uses_TOC): New functions.
5312 (print_operand): Delete old '*' case.
5313 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5314 and strip off rtl for TOC before calling output_addr_const.
5315 (rs6000_emit_load_toc_table): Use toc_label_name.
5316 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5318 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5319 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5320 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5321 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5322 into explicit TOC_REGISTER offsets.
5323 (TOC_REGISTER): New macro.
5324 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5325 TARGET_TOC to reference TOC_REGISTER.
5326 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5327 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5328 uses_TOC before emitting label references.
5330 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5332 * rs6000.md (stack_tie): Fix warning.
5334 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5335 to handle -fleading-underscore.
5336 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5337 (USER_LABEL_PREFIX): New macro.
5338 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5339 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5340 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5341 call-linux can use the same multilibs.
5342 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5343 and call-linux multilibs. Do multilib with -fleading-underscore.
5344 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5345 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5348 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5349 have MASK_SOFT_FLOAT set.
5350 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5351 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5352 CPP_FLOAT_DEFAULT_SPEC.
5354 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5355 * rs6000.md: Whitespace change.
5356 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5357 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5359 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5361 * rs6000.md (eh_epilogue): New expander.
5362 (eh_reg_restore): New expand/split/insn combination.
5363 (return_eh_si): New insn.
5364 (return_eh_di): New insn.
5366 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5367 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5368 * eabi-ctors.c (__do_global_ctors): Register this object's
5369 frame. Clean up. Call atexit() after the constructors.
5370 (__do_global_dtors): Deregister this object's frame. Clean up.
5371 Allow for recursive calls to exit().
5372 * rs6000.c (fixuplabelno): New variable.
5373 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5374 TARGET_RELOCATABLE, it slows down exec() under linux.
5375 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5377 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5378 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5379 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5380 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5381 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5382 (ASM_OUTPUT_DWARF_ADDR): New macro.
5383 (ASM_OUTPUT_DWARF_DATA4): New macro.
5384 (ASM_OUTPUT_DWARF_DATA2): New macro.
5385 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5386 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5387 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5389 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5391 * rs6000.c (rs6000_sr_alias_set): New variable.
5392 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5393 (rs6000_emit_stack_tie): New function.
5394 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5395 in a way that dwarf2out can understand.
5396 (rs6000_frame_related): New function.
5397 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5398 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5399 Use rs6000_emit_stack_tie when needed.
5400 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5401 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5402 * rs6000.md (stack_tie): New insn.
5403 (return_internal_si): Allow return value to be in the count
5405 (return_internal_di): Likewise.
5407 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5409 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5411 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5413 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5415 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5417 * rs6000.md (stmw): Use the right POWER opcode.
5420 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5422 * rs6000-protos.h: New file.
5424 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5426 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5429 * sysv4.h: Likewise.
5431 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5433 * ../../configure.in: Delete powerpcle-*-winnt*
5434 and powerpcle-*-pe|powerpcle-*-cygwin*.
5435 * ../../configure: Regenerated.
5437 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5438 (TARGET_WINDOWS_NT): Delete.
5440 (CALL_NT_DLLIMPORT): Delete.
5441 Delete NT-specific code.
5442 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5445 * nt-ci.asm: Delete.
5446 * nt-cn.asm: Delete.
5447 * ntstack.asm: Delete.
5449 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5451 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5452 (ASM_FILE_START): Likewise.
5453 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5454 (ASM_OUTPUT_LABELREF): Likewise.
5455 (ASM_OUTPUT_SKIP): Likewise.
5456 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5457 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5458 (ASM_OUTPUT_CASE_LABEL): Likewise.
5459 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5460 (ASM_OUTPUT_ASCII): Likewise.
5462 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5464 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5465 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5466 increment rs6000_pic_labelno here.
5467 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5468 and increment rs6000_pic_labelno here.
5470 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5472 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5473 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5474 allocation knows (reg) is dead before the insn.
5476 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5478 * rs6000.md (movsi_to_cr): Correct typo in output template.
5480 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5482 * rs6000.c (rs6000_pic_labelno): Always define.
5483 (rs6000_pic_func_labelno): Delete.
5484 (lmw_operation): Check for a zero base register,
5485 which doesn't mean what we want.
5486 (stmw_operation): New function.
5487 (print_operand): Define new 'l' modifier.
5488 (rs6000_stack_info): We must save all 64 bits of the registers
5489 if TARGET_POWERPC64.
5490 (rs6000_output_load_toc_table): Delete.
5491 (rs6000_emit_load_toc_table): New function.
5492 (rs6000_allocate_stack_space): Delete.
5493 (rs6000_emit_allocate_stack): New function.
5494 (rs6000_emit_prologue): New function.
5495 (output_prolog): Use rs6000_emit_prologue.
5496 (rs6000_emit_epilogue): Change a few variable names to be
5497 more accurate. Restore all 64 bits of the registers if
5498 TARGET_POWERPC64. Only restore the FP registers which were used
5499 if they are being saved/restored one-at-a-time.
5500 (output_mi_thunk): Delete inefficient code generation.
5501 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5502 * rs6000.h: Declare rs6000_emit_load_toc_table,
5503 rs6000_allocate_stack_space, stmw_operation. Don't declare
5504 rs6000_output_load_toc_table.
5505 * rs6000.md (elf_high): Allow register 0, but discourage it
5507 (elf_low): Support loading into register 0.
5508 (load_toc_aix_si): New pattern.
5509 (load_toc_aix_di): New pattern.
5510 (load_toc_v4_pic_si): New pattern.
5511 (load_toc_v4_pic_di): New pattern.
5512 (load_toc_v4_PIC_1): New pattern.
5513 (load_toc_v4_PIC_1b): New pattern.
5514 (load_toc_v4_PIC_2): New pattern.
5515 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5516 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5517 (prologue): New expander.
5518 (movesi_from_cr): New pattern.
5519 (stmw): New pattern.
5520 (save_fpregs_si): New pattern.
5521 (save_fpregs_di): New pattern.
5523 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5525 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5530 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5532 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5534 (movsi_got_internal): Likewise.
5535 (movsi_got_internal+1): Likewise.
5536 (set_sp): 'unspec 7' does a SImode clobber.
5538 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5540 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5541 allocate a stack temporary.
5542 (floatsidf2_internal): Likewise.
5543 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5545 (floatunssidf2): Don't use the fpmem "register", just
5546 allocate a stack temporary.
5547 (floatunssidf2_internal): Likewise.
5548 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5550 (floatsidf2_loadaddr): Delete.
5551 (floatsidf2_store1): Delete.
5552 (floatsidf2_store2): Delete.
5553 (floatsidf2_load): Delete.
5554 (fix_truncdfsi2): Don't use the fpmem "register", just
5555 allocate a stack temporary.
5556 (fix_truncdfsi2_internal_si): Delete.
5557 (fix_truncdfsi2_internal_di): Delete.
5558 (fix_truncdfsi2_internal): New insn.
5559 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5560 (fix_truncdfsi2_store): Delete.
5561 (fix_truncdfsi2_load): Delete.
5562 (fctiwz): Produce gen_fctiwz.
5564 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5566 * eabi.h (INVOKE__main): Define.
5567 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5569 (rs6000_emit_prologue): Likewise.
5570 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5571 this is the main program.
5573 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5575 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5577 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5579 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5580 goes after the argument.
5582 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5584 * rs6000.md: Document 'unspec' values used.
5585 (epilogue): New expander.
5586 (movesi_to_cr_one): New expander.
5587 (movesi_to_cr and following): New pattern.
5589 (return_internal_si): New pattern.
5590 (return_internal_di): New pattern.
5591 (return_and_restore_fpregs_si): New pattern.
5592 (return_and_restore_fpregs_di): New pattern.
5593 * rs6000.h: Declare new functions.
5594 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5595 rather than rs6000_calls_p.
5596 (rs6000_makes_calls): Delete.
5597 (lmw_operation): New function.
5598 (mtcrf_operation): New function.
5599 (rs6000_emit_epilogue): New function.
5600 (output_epilog): Call rs6000_emit_epilogue and final if
5601 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5603 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5605 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5606 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5607 * aix.h (SUBTARGET_SWITCHES): Document switches.
5608 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5609 sched-prolog and sched-epilog the same. Document all the
5611 (TARGET_OPTIONS): No longer allow -mdebug-.
5613 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5615 * rs6000.h (ASM_FILE_END): Move to aix.h.
5616 (EXTRA_SECTIONS): Move to aix.h.
5617 (READONLY_DATA_SECTION): Move to aix.h.
5618 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5619 (SELECT_SECTION): Move to aix.h.
5620 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5621 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5622 (LINK_REGISTER_REGNUM): New definition.
5623 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5624 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5626 * sysv4.h: Delete the code between the inclusion of rs6000.h
5628 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5629 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5630 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5631 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5632 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5633 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5634 (fix_truncdfsi2_internal_di): New pattern.
5635 (fix_truncdfsi2_store): The second arg here is Pmode too.
5636 (fix_truncdfsi2_load): The second arg here is Pmode too.
5637 (tablejumpdi): Now that switch tables hold only SImode values,
5638 gcc needs to know how to add them to the pc which is DImode.
5639 * rs6000.c (rs6000_stack_info): Use symbolic name for
5640 LINK_REGISTER_REGNUM.
5641 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5642 (output_toc): Delete unused variables s1 and s2.
5643 (output_ascii): Use fputs not fprintf on a variable string.
5645 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5647 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5648 * aix43.h: Revert Aug 2 change.
5649 (HAS_INIT_SECTION): Define, not visible yet.
5650 (LD_INIT_SWITCH): Define, not visible yet.
5651 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5653 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5655 * config/rs6000/rtems.h: Include config/rtems.h.
5657 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5659 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5660 (SLOW_UNALIGNED_ACCESS): Define.
5661 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5662 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5663 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5664 (toc_section): Likewise and .toc pseudo-op.
5665 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5667 (TEXT_SECTION_ASM_OP): Likewise.
5668 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5671 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5673 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5674 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5677 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5679 * rs6000.h: Move more stuff from here...
5681 * sysv4.h: Cleanup accordingly.
5682 * netware.h: Likewise
5684 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5686 * rs6000.h: Continue cleanup.
5689 * netware.h: Likewise.
5691 * sysv4.h: Likewise.
5692 * win-nt.h: Likewise.
5694 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5695 (TARGET_OPTIONS): Likewise.
5697 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5698 (SUBTARGET_OPTIONS): Likewise.
5700 * rs6000.md: Fix compile time warnings.
5702 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5704 vxworks patches from the Cygnus tree originally by
5705 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5706 <vmakarov@cygnus.com>.
5707 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5708 (ENDFILE_SPEC): Likewise.
5709 (LIB_VXWORKS_SPEC): New macro.
5710 (STARTFILE_VXWORKS_SPEC): New macro.
5711 (ENDFILE_VXWORKS_SPEC): New macro.
5712 (LINK_START_VXWORKS_SPEC): New macro.
5713 (LINK_OS_VXWORKS_SPEC): New macro.
5714 (CPP_OS_VXWORKS_SPEC): New macro.
5715 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5716 * vxppc.h: Rewrite to use proper configuration method.
5717 * vxppcle.h: New file.
5718 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5719 * ../../configure: Rebuilt.
5721 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5723 Lots of changes to rs6000.h, sysv4.h, aix.h,
5724 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5725 with the aim that rs6000.h is the first header
5726 included and the others override it.
5729 * x-aix41-gld: Remove.
5731 * x-aix41: Remove target-specific switches, and don't specify
5732 -Wl,-bbigtoc as we don't need it any more.
5733 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5734 Use t-aix43 for AIX 4.3 and above.
5735 * ../../configure: Regenerated.
5737 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5738 options, that don't do anything yet.
5739 (MASK_SCHED_PROLOG): New macro.
5740 (MASK_SCHED_EPILOG): New macro.
5741 (TARGET_SCHED_PROLOG): New macro.
5742 (TARGET_SCHED_EPILOG): New macro.
5744 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5746 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5747 one per translation unit, not one per function.
5748 (output_toc): Also do duplicate constant elimination
5749 for per-translation-unit TOCs.
5751 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5752 a comment explaining _exactly_ when this pattern gets used.
5753 (builtin_setjmp_receiver): New pattern for better clarity.
5754 (init_v4_pic): Move it into a section dealing with TOC registers.
5756 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5758 * rs6000.c (toc_hash_table): New variable.
5759 (rs6000_hash_constant): New function.
5760 (toc_hash_function): New function.
5761 (toc_hash_eq): New function.
5762 (toc_hash_mark_entry): New function.
5763 (toc_hash_mark_table): New function.
5764 (output_toc): Don't output duplicate TOC entries in
5766 (rs6000_add_gc_roots): Add the hash table as a GC root.
5767 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5768 where they clearly shouldn't be. This may need to be fixed
5769 later when there is a GNU ar for AIX.
5770 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5771 Don't define BOOT_LDFLAGS as it is now not necessary.
5773 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5775 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5776 for va_list on AIX. Use unsigned_char_type_node rather than
5777 constructing our own version on svr4.
5779 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5781 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5782 since patently it's not.
5784 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5786 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5787 define_expand/define_insn pair, and handle restore of the
5788 SVR4 -fpic register.
5790 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5792 * acconfig.h (HAVE_GAS_WEAK): New define.
5793 * configure.in (assembler weak support): Check for .weak support.
5794 * config.in, configure: Rebuilt.
5795 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5796 HAVE_GAS_WEAK is defined.
5798 2000-03-15 Nick Clifton <nickc@cygnus.com>
5800 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5803 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5805 * cppfiles.c (open_include_file): New function.
5806 (find_include_file, cpp_read_file): Use it.
5808 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5810 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5812 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5814 * flow.c (verify_flow_info): Check for unconditional return.
5816 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5818 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5819 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5820 (__ia64_restore_stack_nonlocal): New.
5821 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5823 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5825 * cpphash.c (collect_formal_parameters): Do not complain about
5826 parameter names that just start with `__VA_ARGS__'.
5828 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5830 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5831 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5832 * i386.c (pentiumpro_cost): Set mul cost to 4.
5833 (x86_use_movx): Set for PPro.
5835 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5837 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5838 STACK_BOUNDARY for empty frames now.
5840 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5842 * stor-layout.c (layout_union): Remove.
5843 (layout_union_field): New function, split out from layout_union.
5844 (finish_union_layout): Likewise.
5845 (layout_field): Handle unions by calling layout_union_field.
5846 (finish_record_layout): Handle unions.
5847 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5848 QUAL_UNION_TYPE handling.
5850 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5852 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5853 end of basic block is jump_insn, not barrier; use create_basic_block
5854 instead of creating basic block by hand.
5856 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5858 * flow.c (reorder_basic_blocks): Account for barriers when writing
5859 over NEXT_INSN (last_bb->end).
5860 (verify_flow_info): Add check for missing barriers.
5862 2000-03-14 Greg McGary <gkm@gnu.org>
5864 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5865 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5866 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5867 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5868 __unbounded, __unbounded__): New keywords.
5869 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5870 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5871 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5873 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5875 * cselib.h: New file.
5876 * alias.c: Include "cselib.h".
5877 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5878 MEMs as two new arguments.
5879 (get_addr): New static function.
5880 (find_base_term): Handle VALUEs.
5881 (memrefs_conflict_p): Likewise.
5882 (true_dependence): Call get_addr on the addresses.
5883 Call fixed_scalar_and_varying_struct_p with addresses that have been
5884 passed through get_addr and canon_rtx.
5885 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5886 with true_dependence.
5887 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5888 * loop.c: Include "cselib.h".
5889 (load_mems): Process extended basic block that enters the loop with
5890 cselib. Use that information to change initialization of the shadow
5891 register so that a constant equivalence is seen by later passes.
5892 * reload1.c: Include "cselib.h".
5893 (reload_cse_invalidate_regno): Delete function.
5894 (reload_cse_mem_conflict_p): Likewise.
5895 (reload_cse_invalidate_mem): Likewise.
5896 (reload_cse_invalidate_rtx): Likewise.
5897 (reload_cse_regno_equal_p): Likewise.
5898 (reload_cse_check_clobber): Likewise.
5899 (reload_cse_record_set): Likewise.
5900 (reg_values): Delete static variable.
5901 (invalidate_regno_rtx): Likewise.
5902 (reload_cse_delete_noop_set): New static function.
5903 (reload_cse_simplify): New static function, broken out of
5905 (reload_cse_noop_set_p): Delete unused argument INSN.
5906 Just call rtx_equal_for_cselib_p on set source and destination.
5907 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5908 reload_cse_delete_noop_set. Delete code to keep track of values; use
5909 cselib functions instead. Delete code to push/pop obstacks.
5910 (reload_cse_simplify_set): Use cselib to find equivalent values.
5911 Delete code to push/pop obstacks.
5912 (reload_cse_simplify_operands): Likewise.
5913 * rtl.def (VALUE): New rtx code.
5914 * rtl.h (union rtunion_def): New elt rt_cselib.
5915 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5916 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5917 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5918 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5919 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5920 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5921 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5922 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5923 cselib_record_set, cselib_record_sets): New static functions.
5924 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5925 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5926 references_value_p): New functions.
5927 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5928 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5929 n_useless_values, reg_values, callmem, cselib_obstack,
5930 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5931 New static variables.
5932 * varray.h (union varray_data_tag): New elt te.
5933 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5934 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5937 2000-03-14 Nick Clifton <nickc@cygnus.com>
5939 * gcc.c (do_spec_1): Catch the case where %* is used in a
5940 substitution pattern, but it has not been initialised.
5941 Issue a meaningful error message if an unrecognised operator
5942 is encountered in a spec string.
5944 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5946 * function.c (prepare_function_start): Correctly initialize
5947 cfun->stack_alignment_needed.
5949 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5951 * cppfiles.c (find_include_file): Don't assume nshort is a
5954 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5956 * configure.in (hppa configurations): Add pa32-regs.h to the
5957 list of tm files as appropriate.
5958 * configure: Rebuilt.
5959 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5961 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5962 (fmpyaddoperands, fmpysuboperands): Likewise.
5963 * pa.h: Remove various definitions which depend on knowing
5964 how registers are numbered.
5965 * pa32-regs.h: New file with PA32 register numbering specific
5968 2000-03-14 Richard Henderson <rth@cygnus.com>
5970 * regmove.c (combine_stack_adjustments): New.
5971 (stack_memref_p, single_set_for_csa): New.
5972 (free_csa_memlist, record_one_stack_memref): New.
5973 (try_apply_stack_adjustment): New.
5974 (combine_stack_adjustments_for_block): New.
5975 * rtl.h (combine_stack_adjustments): Declare.
5976 * toplev.c (rest_of_compilation): Call it.
5978 * i386.md: Revert 2000-01-16 change.
5980 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5982 * gccbug.in: Add web category, gcc specific classes.
5984 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5986 * stor-layout.c (finalize_record_size): Fix typo.
5988 2000-03-14 Stan Shebs <shebs@apple.com>
5990 * c-typeck.c (c_alignof): Error on incomplete types.
5991 * extend.texi (Alignment): Document this.
5993 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5995 * cppfiles.c: Include mkdeps.h.
5996 (find_include_file, read_include_file): Remove _cpp_ prefix
5997 from name, make static.
5998 (_cpp_execute_include): New function, broken out of
6001 * cpplib.c: Don't include mkdeps.h.
6002 (struct directive): Remove type field. Reorder entries. The
6003 function takes only one argument.
6004 (struct if_stack): Make type field an int.
6005 (directive_table): Rename to dtable. Generate it, the
6006 prototypes of the directive handlers, and the enum for the
6007 directive numbers, from a template macro.
6008 (do_ifndef, do_include_next, do_import): New functions.
6009 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6010 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6011 do_ident, do_assert, do_unassert, do_sccs): Take only one
6013 (do_sccs): Define always, but alter behavior based on
6015 (_cpp_handle_directive, consider_directive_while_skipping):
6016 Restructure for new directive table layout.
6018 (pass_thru_directive): Take a directive number, not a pointer
6019 to a struct directive.
6020 (parse_include): New function, broken out of do_include.
6021 (do_include, do_import, do_include_next): Use parse_include
6022 and _cpp_execute_include.
6023 (do_elif, do_else): Test for T_ELSE specifically when checking
6024 for #elif/#else after #else.
6025 (parse_ifdef): New function, broken out of do_ifdef.
6026 (validate_else): Expect a name arg without a leading #.
6027 (if_directive_name): Delete.
6028 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6029 directive handlers with only one argument.
6031 * cpphash.h: Update prototypes.
6032 (enum node_type): Remove entries for directives.
6033 * Makefile.in: Update dependencies.
6035 * cpphash.c (dump_hash_helper): Only dump nodes of type
6036 T_MACRO. Emit a newline after each definition.
6038 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6040 * gccbug.in: New file.
6041 * configure.in (all_outputs): Add gccbug.
6042 * Makefile.in (install-common): Install gccbug.
6043 (GCCBUG_INSTALL_NAME): New variable.
6044 * configure: Rebuilt.
6046 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6048 * function.c (put_var_into_stack): Use type_for_mode to calculate
6049 part_type. Use MEM_SET_IN_STRUCT_P.
6050 * expr.c (store_field): Handle CONCAT.
6051 (store_constructor): Use fields_length.
6052 * tree.c (fields_length): New fn.
6053 * tree.h: Declare it.
6055 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6057 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6058 (cpplex.o): New target.
6059 * po/POTFILES.in: Add cpplex.c.
6061 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6062 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6063 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6064 skip_block_comment, skip_line_comment, skip_comment,
6065 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6066 _cpp_parse_name, skip_string, parse_string,
6067 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6068 _cpp_get_directive_token, find_position,
6069 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6070 (maybe_macroexpand, _cpp_lex_token): New functions.
6072 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6073 parse_goto_mark): Delete.
6074 (_cpp_handle_eof): New function.
6075 (_cpp_handle_directive): Rename from handle_directive.
6076 (_cpp_output_line_command): Rename from output_line_command.
6077 (do_if, do_elif): Call _cpp_parse_expr directly.
6078 * cppfiles.c (_cpp_read_include_file): Don't call
6079 init_input_buffer here.
6080 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6081 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6082 here; pop the token_buffer and skip the rest of the line here.
6083 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6086 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6088 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6089 CPP_GOTO_MARK): New macros.
6090 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6091 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6092 _cpp_read_and_prescan, _cpp_init_input_buffer,
6093 _cpp_grow_token_buffer, _cpp_get_directive_token,
6094 _cpp_handle_directive, _cpp_handle_eof,
6095 _cpp_output_line_command): Prototype them here.
6096 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6097 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6098 quote_string, output_line_command): Remove.
6100 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6102 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6103 whether it is too large we must also verify that it isn't negative.
6105 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6107 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6108 (movsi_zero_liveg0): Remove.
6109 (movsf_insn_novis_liveg0): Remove.
6111 (negsi2_not_liveg0): Rename to negsi2.
6112 (one_cmplsi2): Remove.
6113 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6114 (one_cmplsi2_liveg0): Remove.
6115 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6116 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6117 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6118 (PREDICATE_CODES): Remove zero_operand.
6119 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6120 TARGET_BROKEN_SAVERESTORE.
6121 (zero_operand): Remove.
6122 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6123 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6125 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6126 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6127 TARGET_BROKEN_SAVERESTORE): Remove.
6128 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6130 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6132 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6135 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6137 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6139 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6140 truncating a string. Don't assume tokens are nul terminated.
6141 Problem noted by Andreas Jaeger <aj@suse.de>
6143 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6145 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6146 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6147 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6149 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6151 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6152 STRUCTURE_SIZE_BOUNDARY.
6154 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6156 * tree.h (record_layout_info_s): New structure.
6157 (record_layout_info): New type.
6158 (new_record_layout_info): New function.
6159 (layout_field): Likewise.
6160 (finish_record_layout): Likewise.
6161 * stor-layout.c (layout_record): Remove.
6162 (new_record_layout_info): New function.
6163 (layout_field): New function, broken out from layout_record.
6164 (finalize_record_size): Likewise.
6165 (compute_record_mode): Likewise.
6166 (finalize_type_size): New function, broken out from layout_type.
6167 (finish_record_layout): Likewise.
6168 (layout_type): Use them.
6170 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6172 * cpphash.c: Don't include version.h.
6173 (special_symbol) [case T_VERSION]: Look for the string in
6174 hp->value.cpval; don't use version_string.
6175 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6176 __VERSION__ to version_string.
6177 * Makefile.in (cpphash.o): Update deps.
6179 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6181 Convert cpplib to use libiberty/hashtab.c.
6183 * cpplib.h (struct cpp_reader): Make hashtab and
6184 all_include_files of type 'struct htab *'. Delete HASHSIZE
6185 and ALL_INCLUDE_HASHSIZE macros.
6187 * cpphash.h: Update prototypes.
6188 (struct hashnode): Remove next, prev, and bucket_hdr members.
6189 Make length a size_t. Add hash member.
6190 (struct ihash): Remove next member. Add hash member. Make
6191 name a flexible array member.
6193 * cppfiles.c: Include hashtab.h.
6194 (include_hash): Delete.
6195 (IHASHSIZE): New macro.
6196 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6197 (cpp_included): Do the hash lookup here.
6198 (_cpp_find_include_file): Rewrite.
6199 (cpp_read_file): Put the "fake" hash entry into the hash
6200 table. Honor the control_macro, if it turns out we've seen
6201 the file before. Don't push the buffer here.
6202 (_cpp_read_include_file): Push the buffer here.
6203 (OMODES): New macro. Use it whenever we call open(2).
6205 * cpphash.c: Include hashtab.h.
6206 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6207 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6208 _cpp_lookup_slot): New functions.
6209 (HASHSIZE): new macro.
6210 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6211 (_cpp_lookup): Use hashtab.h routines.
6213 * cppinit.c: Include hashtab.h.
6214 (cpp_reader_init): Call _cpp_init_macro_hash and
6215 _cpp_init_include_hash. Don't allocate hashtab directly.
6216 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6217 pfile->all_include_files.
6218 (initialize_builtins): Use _cpp_make_hashnode and
6219 htab_find_slot to add hash entries.
6220 (cpp_finish): Just call _cpp_dump_macro_hash.
6221 * cpplib.c: Include hashtab.h.
6222 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6223 create hash entries.
6224 (do_pragma_poison, do_assert): Likewise.
6225 (do_include): Don't push the buffer here. Don't increment
6226 system_include_depth unless _cpp_read_include_file succeeds.
6227 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6229 (do_pragma_implementation): Use alloca to create copy.
6231 * Makefile.in: Update dependencies.
6233 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6235 * cppinit.c (cl_directive_handler): More K&R fixing.
6237 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6239 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6241 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6243 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6245 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6246 Change from char[] to macros.
6248 2000-03-12 Neil Booth <NeilB@earthling.net>
6250 * cppinit.c (cpp_start_read): Update indirect function
6253 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6255 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6258 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6259 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6261 2000-03-11 Neil Booth <NeilB@earthling.net>
6263 * cppinit.c (struct pending option): Replace undef with a
6264 pointer to a directive handling routine.
6265 (struct cpp_pending): Replace separate assert_ and define_
6266 lists with one directive_ list.
6267 (new_pending_define): Rename new_pending_directive. Extra
6268 argument is the directive's handling routine.
6269 (handle_option): Update to use new_pending_directive.
6271 2000-03-11 Neil Booth <NeilB@earthling.net>
6273 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6274 remap_filename, _cpp_read_include_file, actual_directory,
6275 hack_vms_include_specification): Replace bcopy(), index() etc
6276 calls. Add casts to some allocations. Make some variables
6277 pointers to const [unsigned] char.
6278 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6279 collect_formal_parameters): Similarly.
6280 * cppinit.c (struct pending_option, append_include_chain,
6281 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6282 cpp_start_read, new_pending_define, handle_option): Similarly.
6283 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6284 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6285 do_pragma_implementation, detect_if_not_defined,
6286 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6287 do_assert, do_unassert): Similarly.
6288 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6289 function prototypes.
6290 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6292 2000-03-10 Richard Henderson <rth@cygnus.com>
6294 * builtins.c (expand_builtin_strlen): Revert last change.
6295 Use emit_insn_before if we're at the beginning of a sequence.
6297 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6299 * builtins.c (expand_builtin_strlen): Make sure that we have something
6300 at the beginning of the sequence.
6302 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6305 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6307 2000-03-10 Richard Henderson <rth@cygnus.com>
6309 * except.c (can_throw): Use INTVAL on a CONST_INT.
6310 (reachable_handlers): Likewise.
6311 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6313 2000-03-10 Andreas Jaeger <aj@suse.de>
6315 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6316 MD_STARTFILE_PREFIX since those are not needed on linux.
6317 (ASM_FILE_START): New, from mips/gnu.h.
6319 2000-03-09 Richard Henderson <rth@cygnus.com>
6320 Alex Samuel <samuel@codesourcery.com> and others
6322 * Makefile.in (ssa.o): New rule.
6324 (STAGESTUFF): Add *.ssa and *.ussa.
6325 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6326 * rtl.def (PHI): New RTL expression.
6327 * rtl.h (clear_log_links): New declaration.
6328 (convert_to_ssa): Likewise.
6329 (convert_from_ssa): Likewise.
6330 * flow.c (split_edge): If the entry node falls through to the
6331 split edge's source block, split the entry edge.
6332 (clear_log_links): New function.
6333 * toplev.c (ssa_dump): New variable.
6334 (flag_ssa): Likewise.
6335 (f_options): Add "ssa".
6336 (compile_file): Create SSA dump files.
6337 (rest_of_compilation): Go to and from SSA if enabled.
6338 (decide_d_option): Handle -de for SSA dump files.
6341 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6343 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6346 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6348 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6350 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6352 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6353 (MD_STARTFILE_PREFIX_1): New macro.
6355 2000-03-09 Robert Lipe <robertl@sco.com>
6357 * config/ia64/ia64.c: Include system.h.
6359 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6361 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6362 (init_eh_nesting_info): Likewise.
6364 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6365 (TREE_NOTHROW): Rename from TREE_RAISES.
6366 * toplev.c (rest_of_compilation): Set it.
6367 * print-tree.c (print_node): Adjust.
6368 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6369 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6370 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6371 REG_EH_REGION note as appropriate.
6372 (libfunc_nothrow): New fn.
6373 (emit_library_call, emit_library_call_value): Use it.
6374 (expand_call): Check TREE_NOTHROW.
6376 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6377 DECL_ASSEMBLER_NAME.
6379 2000-03-09 Andreas Jaeger <aj@suse.de>
6381 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6382 (TARGET_MEM_FUNCTIONS): Define.
6384 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6386 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6388 * except.c (can_throw): See through a SEQUENCE.
6389 (nothrow_function_p): New fn.
6390 * except.h: Declare it.
6391 * function.c (current_function_nothrow): New var.
6392 (prepare_function_start): Initialize it.
6393 * output.h: Declare it.
6394 * toplev.c (rest_of_compilation): Set it.
6395 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6397 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6399 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6400 match. (cpp_compare_defs): Count the nul separator when
6401 advancing over argument names.
6403 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6405 * recog.c (preprocess_constraints): Matching constraints affect
6406 same alternative/different operand, not same operand/different
6409 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6410 register and a constant specially.
6412 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6414 * libgcc2.h: New file.
6415 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6417 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6419 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6420 * configure: Regenerate.
6423 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6425 * Makefile.in (LIBCPP_DEPS): New macro.
6426 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6428 * cpperror.c: Include cpphash.h.
6429 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6431 (lex): Don't use CPP_WARN_UNDEF.
6432 (_cpp_parse_expr): Return an int, the truth value.
6433 * cppfiles.c: Include cpphash.h.
6434 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6435 * cppinit.c (include_defaults_array): Disentangle.
6436 (cpp_cleanup): Don't free the if stack here.
6437 (cpp_finish): Pop off all buffers, not just one.
6438 * cpplib.c (eval_if_expr): Return int.
6439 (do_xifdef): Rename do_ifdef.
6440 (handle_directive): Don't use CPP_PREPROCESSED.
6441 (cpp_get_token): Don't use CPP_C89.
6442 * fix-header.c: Don't use CPP_OPTIONS.
6444 * cpplib.h: Move U_CHAR, enum node_type, struct
6445 file_name_list, struct ihash, is_idchar, is_idstart,
6446 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6447 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6448 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6449 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6450 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6451 of _cpp_simplify_pathname, _cpp_find_include_file,
6452 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6453 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6455 Change all uses of U_CHAR to be unsigned char instead.
6456 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6458 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6460 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6461 (dwarf2out_begin_prologue): Set it.
6462 (output_call_frame_info): Don't emit EH unwind info for leaves.
6464 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6465 can occur outside of an EH region.
6466 * except.c: Correct comments about rethrow behavior.
6467 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6469 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6471 * flow.c (make_edges): Always call make_eh_edge for calls.
6473 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6475 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6476 (struct cpp_buffer): Remove fname and underflow fields.
6477 (struct cpp_reader): Remove get_token field.
6478 (struct include_hash): Rename to struct ihash. Add typedef to
6480 (struct if_stack): Remove fname field.
6481 (IF_STACK_FRAME): Rename to IF_STACK.
6483 * cpperror.c (print_containing_files): Trust that there are no
6484 macro buffers below the top file buffer.
6485 * cppfiles.c: Replace all references to 'struct include_hash'
6486 with 'IHASH'. Rename initialize_input_buffer to
6487 init_input_buffer. Don't set or reference cpp_buffer->fname,
6488 use buffer->ihash->name instead.
6489 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6490 not CPP_NULL_BUFFER.
6491 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6492 IF_STACK_FRAME, IHASH not struct include_hash.
6493 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6494 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6495 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6496 references to cpp_buffer->fname (delete entirely, or use
6497 ->ihash->name instead) and IF_STACK->fname.
6498 (cpp_push_buffer): Don't set new->underflow.
6499 (do_include): Use cpp_file_buffer.
6501 * cpphash.c (collect_formal_parameters): Remove duplicate
6502 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6503 used as a macro argument name. Don't append "..." to namebuf
6504 for varargs macros. After we're done scanning, go through
6505 namebuf and make it NUL separated, not comma separated.
6506 (_cpp_compare_defs): Remove register tag from variables.
6507 Expect defn->argnames to be NUL separated.
6508 (_cpp_dump_definition): Expect defn->argnames to be NUL
6509 separated and in forward order.
6510 * cpphash.h: Update documentation of argnames field.
6512 2000-03-08 Richard Henderson <rth@cygnus.com>
6514 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6515 to fail. Don't pre-expand the source operand.
6517 * i386.md (strlensi): Initialize eoschar and align before use.
6519 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6521 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6522 CONSTRUCTOR element.
6524 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6526 * mips.c (mips_expand_prologue): If the last
6527 named argument is the vararg marker "va_list", treat it as
6528 an unnamed argument.
6530 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6532 * dbxout.c (dbxout_parms): When correcting for promoted
6533 big-endian parameters, use the mode of the DECL_RTL rather
6534 than UNITS_PER_WORD.
6536 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6538 * c-common.h (make_fname_decl): Declare.
6539 * c-common.c (make_fname_decl): Define.
6540 (declare_hidden_char_array): Remove.
6541 (declare_function_name): Use make_fname_decl.
6542 * c-decl.c (c_make_fname_decl): New function.
6543 (init_decl_processing): Set make_fname_decl.
6545 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6547 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6549 2000-03-07 Philipp Thomas <pthomas@suse.de>
6551 * po/POTFILES.in: Remove cppalloc.c from file list.
6553 2000-03-07 Steve Chamberlain <sac@pobox.com>
6555 * pj.c (pj_expand_prologue): current_function->args_info is
6556 now current_function_args_info.
6558 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6559 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6560 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6562 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6564 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6565 output as hexadecimal rather than the default octal.
6567 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6569 * cpphash.c (special_symbol): Fix thinko in previous commit.
6571 2000-03-07 Neil Booth <NeilB@earthling.net>
6573 * cppexp.c (struct operation, left_shift, right_shift,
6574 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6575 "int"s to "unsigned int"s.
6576 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6578 * cpplib.h: Update for above.
6579 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6580 returned from allocations.
6582 * cppinit.c (opt_comp, parse_options): New functions.
6583 (handle_option): Use parse_option to parse a single command
6584 line option, that possibly takes an argument.
6585 (cpp_handle_options): Sort the array of command line options on
6586 first invocation (non-ASCII hosts only).
6587 (print_help): Update.
6589 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6591 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6592 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6594 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6596 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6598 * cpperror.c (cpp_print_containing_files,
6599 cpp_print_file_and_line, v_cpp_message): Rename to
6600 print_containing_files, print_file_and_line, and v_message.
6601 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6602 to _cpp_parse_expr, parse_escape, and lex.
6603 (parse_charconst): Remove broken multibyte support.
6604 * cppfiles.c (include_hash): Make static.
6605 (cpp_included): New function.
6606 (merge_include_chains, find_include_file, finclude,
6607 simplify_pathname): Rename to _cpp_merge_include_chains,
6608 _cpp_find_include_file, _cpp_read_include_file, and
6609 _cpp_simplify_pathname.
6610 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6611 cpp_install, create_definition, macroexpand, compare_defs,
6612 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6613 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6614 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6615 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6617 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6619 * cpphash.h: Update prototypes.
6620 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6622 2000-03-07 Andrew Haley <aph@cygnus.com>
6624 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6625 PTRDIFF_TYPE should be based solely on Pmode.
6628 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6630 * rtl.h (rtunion_def): Constify member `rtstr'.
6631 (emit_line_note_after, emit_line_note, emit_line_note_force,
6632 emit_note, decode_asm_operands): Constify.
6634 * cse.c (canon_hash): Likewise.
6636 * dbxout.c (dbxout_block): Likewise.
6638 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6639 v_warning_for_asm): Likewise.
6641 * dwarfout.c (function_start_label): Likewise.
6643 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6644 emit_line_note_force): Likewise.
6646 * final.c (last_filename, asm_insn_count, final_scan_insn,
6647 output_source_line): Likewise.
6649 * function.h (struct emit_status): Likewise.
6651 * gcse.c (hash_expr_1): Likewise.
6653 * genattr.c (gen_attr, main): Likewise.
6655 * genattrtab.c (struct function_unit, current_alternative_string,
6656 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6657 attr_numeral, check_attr_test, check_attr_value,
6658 convert_set_attr_alternative, convert_set_attr,
6659 compute_alternative_mask, simplify_by_exploding, gen_attr,
6660 gen_unit): Likewise.
6662 * genflags.c (gen_insn): Likewise.
6664 * gengenrtl.c (type_from_format): Likewise.
6666 * genopinit.c (gen_insn): Likewise.
6668 * genoutput.c (n_occurrences, process_template, process_template):
6671 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6674 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6677 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6678 ggc_set_mark, ggc_get_size): Likewise.
6680 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6682 * optabs.c (init_one_libfunc): Likewise.
6684 * output.h (assemble_start_function): Likewise.
6686 * recog.c (decode_asm_operands): Likewise.
6688 * toplev.c (rest_of_compilation): Likewise.
6690 * tree.h (emit_line_note_after, emit_line_note,
6691 emit_line_note_force): Likewise.
6693 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6694 asm_emit_uninitialised, assemble_start_function,
6695 assemble_variable, const_hash, compare_constant_1,
6696 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6698 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6700 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6702 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6704 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6706 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6707 arm_dllimport_name_p): Likewise.
6709 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6712 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6714 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6716 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6717 arm_mark_dllexport, arm_mark_dllimport,
6718 arm_pe_encode_section_info): Likewise.
6720 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6721 ASM_FINISH_DECLARE_OBJECT): Likewise.
6723 * arm/thumb.c (thumb_function_prologue): Likewise.
6725 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6727 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6729 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6731 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6733 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6735 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6737 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6738 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6740 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6742 * i386/i386.c (asm_output_function_prefix): Likewise.
6744 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6746 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6748 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6750 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6751 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6752 ASM_OUTPUT_SECTION_NAME): Likewise.
6754 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6756 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6758 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6760 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6762 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6764 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6766 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6768 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6770 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6772 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6774 * mips/mips.md (movdi, movsi): Likewise.
6776 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6778 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6780 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6782 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6783 ASM_OUTPUT_ASCII): Likewise.
6785 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6786 output_mi_thunk, output_toc): Likewise.
6788 * rs6000/rs6000.md (movsi): Likewise.
6790 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6792 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6794 * v850/v850.c (print_operand, print_operand_address,
6795 v850_encode_data_area): Likewise.
6797 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6799 * config/mips/mips.md (zero_extendsidi2): Always force operand
6800 one to memory for mips16.
6802 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6804 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6805 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6806 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6807 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6808 (min_precision): Result is unsigned.
6809 (add_double, neg_double, mul_double): Low word is unsigned.
6810 (lshift_double, rshift_double, lrotate_double): Likewise.
6811 (rrotate_double, div_and_round_double): Likewise.
6812 (tree_floor_log2, compare_tree_int): New functions.
6813 (preserve_rtl_expr_temps): New declaration.
6814 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6815 (decl_attributes): Use tree_log2 to find alignment.
6816 Check for TREE_INT_CST_HIGH for format args.
6817 (min_precision): Now unsigned.
6818 Use tree_floor_log2.
6819 (truthvalue_conversion): Delete long-disabled code.
6820 * c-decl.c (finish_struct): Clean up tests on field width.
6821 (finish_function): Use compare_tree_int.
6822 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6823 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6824 (default_conversion, digest_init): Use compare_tree_int.
6825 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6826 Fix type errors in forming masks.
6827 * calls.c (initialize_argument_information): Use compare_tree_int.
6828 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6829 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6830 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6831 (store_field): Use compare_tree_int.
6832 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6833 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6834 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6835 (do_store_flag): Use compare_tree_int.
6836 * fold-const.c (encode, decode): Low part is always unsigned.
6837 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6838 (lshift_double, rshift_double, lrotate_double): Likewise.
6839 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6840 (fold_convert): Use compare_tree_int.
6841 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6842 (invert_truthvalue, case INTEGER_CST): Likewise.
6843 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6844 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6845 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6846 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6848 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6849 (expand_end_case): Use compare_tree_int.
6850 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6851 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6852 (layout_decl): Likewise.
6853 (layout_record, layout_union): Make sizes unsigned.
6854 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6855 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6856 * tree.c (struct type_hash): hashcode is unsigned.
6857 (build_type_attribute_variant, type_hash_list): Likewise.
6858 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6859 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6860 (build_complex_type): Likewise.
6861 (real_value_from_int_cst): Remove unneeded casts.
6862 (integer_all_onesp): Add casts.
6863 (tree_floor_log2, compare_tree_int): New functions.
6864 (build_index_type): Use tree_int_cst_sgn.
6865 * varasm.c (assemble_variable): Use compare_tree_int.
6867 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6869 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6871 * varasm.c (make_decl_rtl): Don't add a number to members of
6873 (make_function_rtl): Likewise.
6875 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6877 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6878 patch from 2000-01-28.
6880 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6882 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6883 filled with an insn from the jump target.
6885 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6887 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6888 (c4x_external_ref): Likewise.
6889 * config/c4x/c4x.c (struct name_list): Likewise.
6891 1999-12-16 Ben Collins <bcollins@debian.org>
6893 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6894 argument to genmultilib.
6895 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6896 the contents into the multilib.h header.
6897 * gcc.c: Declare multilib_exclusions for the specs file.
6898 (set_multilib_dir): Use it.
6899 (print_multilib_info): Likewise.
6900 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6901 to pass to genmultilib.
6903 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6905 * builtins.c (built_in_class_names, built_in_names): Constify a
6908 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6910 (_mcleanup): Ensure value matches format specifier in sprintf.
6912 * cpphash.c (special_symbol): Don't needlessly cast away
6915 * cppinit.c (base_name): Delete unused prototype.
6917 * mkdeps.c (deps_init): Make definition K&R safe.
6919 * tree.h (built_in_class_names, built_in_names): Constify a
6922 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6924 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6925 floating point instructions for epilogue delay.
6927 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6928 to gas if it supports .register pseudo.
6930 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6931 LONG_DOUBLE_TYPE_SIZE if not defined.
6932 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6933 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6935 * gengenrtl.c: Likewise.
6936 * print-rtl.c: Likewise.
6938 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6939 MASK_LONG_DOUBLE_128.
6940 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6941 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6942 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6943 (SUBTARGET_SWITCHES): Define.
6944 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6945 with -mlong-double-128.
6946 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6947 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6948 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6949 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6950 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6951 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6952 with -mlong-double-128.
6953 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6954 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6955 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6956 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6957 TARGET_LONG_DOUBLE_128): Define.
6958 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6959 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6960 long double on TARGET_ARCH64.
6962 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6964 * function.c (free_temps_for_rtl_expr): Don't free slots
6965 that have been pushed into a higher level.
6968 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6970 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6972 * basic-block.h (ALLOCA_REG_SET): Remove.
6973 (INITIALIZE_REG_SET): New macro.
6974 * flow.c (update_life_info): Use it.
6975 (calculate_global_regs_live): Likewise.
6976 (propagate_block): Likewise.
6977 * global.c (build_insn_chain): Likewise.
6978 * haifa-sched.c (schedule_region): Likewise.
6980 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6982 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6983 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6984 (DWARF_ARANGES_PAD_SIZE): New define.
6985 (output_aranges): Use it to pad the address range header.
6986 (DWARF_ROUND): Fix for non power of 2 rounding.
6988 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6990 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6992 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6994 * tree.def (RTL_EXPR): Update documentation.
6995 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6996 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6997 * function.c (preserve_rtl_expr_temp): New function.
6998 (preserve_rtl_expr_temps): Likewise.
6999 (preserve_rtl_expr_result): Use it.
7002 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7004 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7006 * regmove.c (copy_src_to_dest) Do not create src->dest move
7007 for unchanging destination.
7009 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7011 * function.h (struct sequence_stack): Remove rtl_expr.
7012 (struct emit_staus): Likewise.
7013 (seq_rtl_expr): Remove.
7014 * tree.h (free_temps_for_rtl_expr): Don't declare.
7015 (start_sequence_for_rtl_expr): Likewise.
7016 * rtl.h (preserve_rtl_expr_result): Likewise.
7017 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7018 (start_sequence_for_rtl_expr): Remove.
7019 (push_topmost_sequence): Don't save sequence_rtl_expr.
7020 (pop_topmost_sequence): Remove comment about not restoring it.
7021 (end_sequence): Don't set seq_rtl_expr.
7022 (init_emit): Don't initialize it.
7023 (mark_sequence_stack): Don't mark it.
7024 (mark_emit_status): Likewise.
7025 * except.c (protect_with_terminate): Use
7026 start_sequence_for_rtl_expr, not start_sequence.
7027 * expr.c (expand_expr, case RTL_EXPR): Don't call
7028 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7029 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7030 (preserve_rtl_expr_result): Remove.
7031 (free_temps_for_rtl_expr): Likewise.
7032 (pop_temp_slots): Likewise.
7033 (mark_temp_slot): Don't mark the rtl_expr.
7034 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7035 start_sequence_for_rtl_expr.
7037 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7039 * mkdeps.c, mkdeps.h: New files.
7040 * po/POTFILES.in: Add them.
7041 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7042 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7043 (mkdeps.o): New target.
7045 * cppfiles.c: Delete deps_output.
7046 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7047 OBJECT_SUFFIX, and base_name.
7048 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7050 (initialize_dependency_output): Use deps_init,
7051 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7052 all the unnecessary string bashing.
7053 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7055 * cpplib.c (do_include): Use deps_add_dep.
7056 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7057 deps_allocated_size, deps_size, deps_column members with
7058 single pointer to a struct deps. Delete prototype of
7061 * cppinit.c: Fix thinko in previous patch.
7063 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7065 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7066 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7067 (mode_for_size_tree): New function.
7068 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7069 * tree.h (mode_for_size_tree): New declaration.
7071 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7073 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7075 * stmt.c (is_body_block): Move...
7076 * dwarfout.c, dwarf2out.c: ...from here.
7077 * tree.h: Declare it.
7078 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7079 * final.c (final_start_function): Do call remove_unnecessary_notes
7082 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7084 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7086 * cpplib.h (_dollar_ok): New macro.
7087 (is_idchar, is_idstart): Use it.
7088 (IStable): Rename to _cpp_IStable. Declare it const if
7089 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7090 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7091 is_space): Update for renamed IStable.
7093 * cppinit.c: Delete all references to FAKE_CONST and CAT
7094 macros. Define init_IStable as empty macro if gcc >=2.7 or
7095 C99. Change TABLE() to ISTABLE and hardcode name of table.
7096 (cpp_start_read): Don't change the IStable based on
7099 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7100 changed. Handle '$' for char1 correctly.
7101 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7103 * cppexp.c (tokentab2): Make const.
7104 (cpp_lex): Make toktab const.
7105 * cppinit.c (include_defaults_array): Make const.
7106 (initialize_standard_includes): Make default_include const.
7108 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7110 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7111 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7112 (gen_decl_die): Likewise.
7113 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7114 (output_decl): Likewise.
7116 * varasm.c (make_function_rtl): If we change the name used in the
7117 rtl, update DECL_ASSEMBLER_NAME accordingly.
7118 (make_decl_rtl): Likewise.
7120 * toplev.c (rest_of_compilation): Tweak formatting.
7122 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7123 remove_unnecessary_notes.
7124 (debug_ignore_block): New fn.
7125 * toplev.h: Declare it.
7126 * emit-rtl.c (remove_unncessary_notes): Call it.
7127 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7128 * dwarf2out.h: Declare it.
7129 * final.c (final_start_function): Don't call remove_unnecessary_notes
7130 if we did insn scheduling.
7132 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7134 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7135 * cpplib.h: Delete SET_CPP_PEDANTIC.
7137 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7139 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7140 result is a RECORD_TYPE.
7142 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7144 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7146 2000-03-03 Richard Henderson <rth@cygnus.com>
7148 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7149 addition over compliments over shifts.
7151 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7153 * reload1.c (reload_combine_note_use): Handle return register USEs.
7154 REG case: Handle multi-hard-register hard regs.
7156 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7158 * md.texi: Document use of '*' in insn pattern name.
7160 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7162 * calls.c (special_function_p): operator new may not be malloc-like.
7164 * gcse.c (dump_hash_table): Really fix error in last change.
7166 2000-03-02 Denis Chertykov <denisc@overta.ru>
7168 * avr.c (print_operand): Use print_operand_address instead of
7170 * avr/libgcc.S: Cleanup code.
7172 2000-03-02 Richard Henderson <rth@cygnus.com>
7174 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7176 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7178 * tree.h (TYPE_ALIGN_UNIT): New macro.
7180 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7182 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7184 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7186 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7188 (SET_CPP_PEDANTIC): New macro.
7189 * cpplib.c (do_include): Don't bother checking system_header_p.
7190 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7191 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7193 * function.h (struct expr_status): Add x_arg_space_so_far.
7194 (arg_space_so_far): New macro.
7195 * expr.c (init_expr): Initialize it.
7196 * calls.c (emit_call_1): Reset it.
7197 (compute_argument_block_size, expand_call): Use it.
7198 (expand_call, store_one_arg): Increment it.
7200 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7202 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7205 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7207 * cppfiles.c (cpp_read_file): New function.
7209 * cpphash.c (collect_expansion): Make sure to reset last_token
7210 to NORM when we hit a string. Handle trailing whitespace
7211 properly when the expansion is empty.
7212 (create_definition): Disable line commands while parsing the
7214 (dump_definition): If pfile->lineno == 0, output a line
7215 command ahead of the dump, and add a trailing newline.
7217 * cppinit.c (append_include_chain): Add fifth argument, which
7218 indicates whether or not system headers are C++ aware.
7219 (initialize_standard_includes): New function,
7220 broken out of read_and_prescan. Pass 'cxx_aware' value from
7221 the include_defaults_array on to append_include_chain.
7222 (dump_special_to_buffer): Const-ify char array.
7223 (builtin_array): Don't dump __BASE_FILE__.
7224 (cpp_start_read): Use cpp_read_file. Reorder code for
7225 clarity. Don't output line commands here for -D/-A/-U
7226 switches. Don't call deps_output for files included with
7227 -include or -imacros.
7229 * cpplib.c (do_define): Don't pay any attention to the second
7231 (cpp_expand_to_buffer): Disable line commands while scanning.
7232 (output_line_command): Work in the file buffer.
7233 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7234 Fix formatting of comments. Prototype cpp_read_file.
7236 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7238 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7239 reference the language-equivalent of sizetype.
7240 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7241 * fold-const.c (size_binop, size_diffop): Put back checks.
7242 * gcse.c (dump_hash_table): Fix minor error in last change.
7243 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7244 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7247 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7249 * calls.c (expand_call) Do not attempt to combine stack adjustments
7250 with inhibit_defer_pop set.
7252 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7254 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7255 the DECL_SIZE for a FIELD_DECL.
7257 2000-03-01 Bruce Korb <bkorb@gnu.org>
7259 * fixinc/inclhack.tpl: remove unused symlinks
7260 * fixinc/README: GCC Maintainer info
7261 * fixinc/inclhack.sh: regen
7262 * fixinc/fixincl.sh: regen
7264 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7266 * cpphash.c (collect_expansion): Trim trailing white space
7267 from macro definitions, but don't go past the last insertion
7270 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7272 * i386.md (mulqi3): New pattern.
7274 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7276 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7278 (struct cpp_reader): Add parsing_if_directive and
7279 parsing_define_directive flags.
7280 (struct cpp_options): Remove output_conditionals flag.
7281 (check_macro_name): Delete prototype.
7283 * cpphash.h (struct macrodef): Delete.
7284 (struct reflist): Separate from struct definition.
7285 (struct definition): Remove unused fields. Add column number.
7286 (create_definition): Returns a DEFINITION *. Takes a
7287 cpp_reader * and an int.
7289 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7290 (PEEKC): Copy defn from cpplib.c.
7291 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7293 (struct arglist): Simplify.
7294 (collect_expansion): Rewrite. Get tokens by calling
7295 cpp_get_token. Add more error checking.
7296 (collect_formal_parameters): New function, broken out of
7297 create_definition and reworked to use get_directive_token.
7298 (create_definition): All real work is now in collect_expansion
7299 and collect_formal_parameters. do_define handles finding the
7300 macro name. Return a DEFINITION, not a MACRODEF.
7301 (macroexpand): Replace bcopy with memcpy throughout. Replace
7302 character-at-a-time copy loop with memcpy and pointer increments.
7303 (compare-defs): d1->argnames / d2->argnames might be null.
7305 * cpplib.c (copy_rest_of_line): Delete function.
7306 (skip_rest_of_line): Do all the work ourselves.
7307 (skip_string): New function.
7308 (parse_string): Use skip_string.
7309 (get_macro_name): New function.
7310 (check_macro_name): Delete.
7311 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7312 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7313 (handle_directive): ICE if we're called on a macro buffer.
7314 (do_define): Determine macro name and type (funlike/objlike)
7315 here. Expunge all uses of MACRODEF.
7316 (cpp_push_buffer): Set line_base to NULL.
7317 (do_undef, read_line_number): Don't worry about getting a POP token.
7318 (eval_if_expression): Set/reset parsing_if_directive around
7319 cpp_parse_expr. Don't clear only_seen_white.
7320 (skip_if_group): Remove output_conditionals logic. Use
7322 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7323 tokens under appropriate conditions.
7324 (cpp_unassert): Call do_unassert not do_assert. Oops.
7326 * cppexp.c (parse_defined): New function, break out of
7328 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7329 ourselves, with cpp_defined.
7330 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7332 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7333 * gcc.dg/strpaste-2.c: New.
7335 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7337 * fold-const.c (size_binop): Don't asert inputs are the same and
7338 have TYPE_IS_SIZETYPE set.
7339 (size_diffop): Likewise.
7341 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7343 * dwarfout.c (output_block): Output abstract blocks even if they
7344 don't have TREE_ASM_WRITTEN set.
7346 * calls.c (emit_library_call): Check for null REG.
7348 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7350 * c-decl.c (current_function_decl): Move to toplev.c.
7351 (init_decl_processing): Don't add current_function_decl as a ggc
7353 * dbxout.c (dbxout_symbol): Change return type to int.
7354 (dbxout_symbol_location, dbxout_syms): Likewise.
7355 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7356 any locals. Use current_function_func_begin_label if set.
7357 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7358 * dwarf2out.c (dwarf2out_begin_prologue): Set
7359 current_function_func_begin_label.
7360 * final.c (final_start_function): Reset it.
7361 * toplev.c (current_function_decl): Define it here.
7362 (current_function_func_begin_label): New variable.
7363 (main): Add both as ggc roots.
7364 * tree.h (current_function_func_begin_label): Declare.
7366 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7368 * gcse.c: Cleanups throughout: mostly white-space, but also
7369 some minor rearrangement of code.
7371 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7373 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7374 returns a PARALLEL. Use emit_group_load and use_group_regs
7376 (emit_library_call_value): Similarly.
7378 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7379 * pa/quadlib.asm: Remove.
7380 * pa/quadlib.c: New file.
7382 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7383 * configure: Rebuilt.
7385 2000-02-29 Philip Blundell <pb@futuretv.com>
7387 * config/arm/conix-elf.h: New file.
7388 * configure.in (arm*-*-conix*): New configuration.
7389 * configure: Regenerate.
7391 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7393 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7394 don't have TREE_ASM_WRITTEN set.
7396 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7398 * Eliminate DECL_FIELD_SIZE.
7399 * builtins.c (built_in_class_names, built_in_names): New variables.
7400 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7401 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7402 DECL_SIZE, not DECL_FIELD_SIZE.
7403 * print-tree.c (print_node): Remove code that prints extra blank
7404 lines in some cases.
7405 Properly handle inline and builtin function cases.
7406 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7407 * tree.h (built_in_class_named, built_in_names): New declarations.
7408 (union tree_decl): Rename internal unions to u1 and u2 and change
7409 some of their components.
7410 Add new field built_in_class.
7411 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7412 Reflect above changes.
7413 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7414 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7415 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7416 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7418 2000-02-28 Dmitri Makarov <dim@windriver.com>
7420 * extend.texi: Document ARM's support for long/short calls.
7422 * invoke.texi: Document ARM's -mlong-calls command line switch.
7424 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7425 (arm_encode_call_attribute): Add prototype.
7426 (arm_set_default_type_attribute): Add prototype.
7427 (arm_strip_name_encoding): Add prototype.
7429 * config/arm/arm.c (arm_init_cumulative_args): replace
7430 initialisation og 'long_calls' field with initialisation of
7431 'call_cookie' field.
7432 (enum arm_pragma_enum): New enum.
7433 (arm_pragma_long_calls): New static variable.
7434 (arm_process_pragma): Also process "#pragma long_calls_off".
7435 (arm_valid_type_attribute_p): Accept short_call attribute.
7436 (arm_comp_type_attributes): Check long/short call attributes.
7437 (arm_encode_call_attribute): New function: Encode long_call
7438 or short_call attribute in function name.
7439 (arm_set_default_type_attributes): New function: Assign
7440 default attributes to newly defined type.
7441 (current_file_function_operand): New function: Return true if
7442 the symbol is a function which has already been compiled.
7443 (arm_is_longcall_p): New function: Return true if the
7444 indicated function should be called via a long call.
7445 (arm_get_strip_length): New function. Returns number of
7446 prefix characters to be stripped from a function's name.
7447 (arm_strip_name_encoding): New function. Strip prefix characters
7448 from a function's name.
7450 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7452 (SHORT_CALL_FAG_CHAR): Define.
7453 (LONG_CALL_FAG_CHAR): Define.
7454 (ENCODED_SHORT_CALL_ATTR_P): Define.
7455 (ENCODED_LONG_CALL_ATTR_P): Define.
7456 (ARM_NAME_ENCODING_LENGTHS): Define.
7457 (STRIP_NAME_ENCODING): Define.
7458 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7459 (ARM_ENCODE_CALL_TYPE): Define.
7460 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7461 (ARM_DECLARE_FUNCTION_SIZE): Define.
7462 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7464 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7465 if a long call is needed.
7466 (call_value): Ditto.
7467 (call_symbol): Ditto.
7469 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7470 ARM_DECLARE_FUNCTION_SIZE.
7472 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7473 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7474 (ARM_STRIP_NAME_ENCODING): Undefine.
7475 (STRIP_NAME_ENCODING): Undefine.
7476 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7477 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7478 (ASM_OUTPUT_COMMON): Ditto.
7479 (ASM_DECLARE_OBJECT_NAME): Ditto.
7481 * config/arm/pe.c (arm_dllexport_name_p): Check for
7483 (arm_dllimport_name_p): Ditto.
7484 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7485 (arm_mark_dllimport): Ditto.
7487 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7489 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7491 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7493 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7495 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7497 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7498 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7499 NO_BUILTIN_WCHAR_TYPE is not defined.
7500 (CPP_WCHAR_TYPE): Delete.
7501 * cccp.c (main): Don't change wchar_type if cplusplus.
7502 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7504 2000-02-28 Nick Clifton <nickc@cygnus.com>
7506 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7508 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7510 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7511 (ASM_WEAKEN_LABEL): Define.
7513 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7515 * expr.c (store_constructor): Do not emit USE.
7516 * rtl.h (stupid_life_analysis): Remove.
7518 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7520 * function.c (number_blocks): Reset next_block_index based on
7521 what debugging format is used, not what is defined.
7523 * lcm.c: Minor reformatting throughout.
7524 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7526 * toplev.c (rest_of_compilation): Account for time in
7527 optimize_mode_switching.
7529 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7530 if only marking labels.
7532 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7534 * calls.c (expand_call): Attempt to combine stack adjustments with
7535 pending stack adjustments.
7537 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7539 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7540 to the end of the function.
7542 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7544 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7546 * final.c (next_block_index): Remove.
7547 (max_block_depth): Likewise.
7548 (pending_blocks): Likewise.
7549 (init_final): Don't initialize them.
7550 (final_start_function): Don't set next_block_index. Set up
7552 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7553 * function.h (number_blocks): New function.
7554 * function.c (get_block_vector): New function.
7555 (identify_blocks): Use it.
7556 (reorder_blocks): Set NOTE_BLOCK.
7557 (number_blocks): New function.
7558 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7559 * tree.h (BLOCK_NUMBER): New macro.
7560 (tree_block): Add block_num field.
7561 * dbxout.c (next_block_number): Remove.
7562 (dbxout_init): Don't set it.
7563 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7564 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7566 * toplev.c (rest_of_compilation): Always call
7567 find_loop_tree_blocks. Fix indentation.
7568 * dwarf2out.c (next_block_number): Remove.
7569 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7570 to determine block numbers.
7571 (gen_inlined_subroutine_die): Likewise.
7572 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7573 (decls_for_scope): Don't increment next_block_number.
7574 * dwarfout.c (next_block_number): Remove.
7575 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7576 to determine block numbers.
7577 (output_inlined_subroutine_die): Likewise.
7578 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7579 (output_decls_for_scope): Don't increment next_block_number.
7580 * sdbout.c (next_block_number): Remove.
7581 (sdbout_block): Use BLOCK_NUMBER.
7582 (sdbout_begin_block): Simplify.
7583 * xcoffout.c (next_block_number): Remove.
7584 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7585 (xcoffout_begin_block): Don't set next_block_number.
7586 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7589 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7591 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7592 (expand_builtin_strcpy): Pass correct type to size_binop.
7593 (expand_builtin_strcmp): Likewise.
7594 Clean up conditional structure.
7595 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7596 (complete_array_type): Don't use size_binop for MAXINDEX.
7597 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7598 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7599 (c_alignof): Use size_one_node.
7600 (build_unary_op): Pass arg of proper type to size_binop.
7601 (really_start_incremental_init, push_init_level): Use sizetype for
7602 constructor{,_bit,_unfilled}_index.
7603 (pop_init_label, output_init_element): Likewise.
7604 (output_pending_init_elements, process_init_element): Likewise.
7605 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7606 * expr.c (store_expr): Use size_int.
7607 (store_constructor): Use proper types for size_binop args.
7608 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7609 (expand_expr_unaligned): Likewise.
7610 (string_contant): Return object of sizetype.
7611 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7612 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7613 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7614 * fold-const.c (int_const_binop): Refine when size_int is called.
7615 (fold_convert): Likewise.
7616 (size_int_wide): Rework to take KIND as arg, only take low order
7617 bits, handle new sizetype_tab datatype, and chain entries in
7619 (size_int_type_wide): New function.
7620 (size_binop): Validate types of arguments.
7621 (ssize_binop): Deleted.
7622 (size_diffop): New function.
7623 (extract_muldiv): Only fold division into multiplication for sizetypes.
7624 * function.c (assign_parms): Use size_diffop and make sure
7625 VAR field is of ssizetype; also pass proper type to size_binop.
7626 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7627 (round_down): Deleted from here.
7628 * store-layout.c (sizetype_tab): Now an array.
7629 (sizetype_set, early_root_list): New variables.
7630 (variable_size): Use size_one_node.
7631 (round_up): Pass proper type to size_binop.
7632 (round_down): Moved to here and corrected as above.
7633 (layout_record): Pass proper arg types to size_binop.
7634 (layout_type): Likewise.
7635 If sizetype_set is zero, record the type just laid out.
7636 (make_unsigned_type): Don't call set_sizetype;
7637 (make_signed_type): Likewise; also, call fixup_signed_type.
7638 (initialize_sizetypes): New function.
7639 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7640 set name of bitsizetype to "bit_size_type".
7641 Fix up type of sizes of all types made before call.
7642 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7643 * tree.c (fix_sizetype): Deleted.
7644 (build_common_tree_nodes): Call initialize_sizetypes.
7645 (build_common_tree_nodes_2): Don't call fix_sizetype.
7646 * tree.h (TYPE_IS_SIZETYPE): New macro.
7647 (initialize_sizetype): New declaration.
7648 (enum size_type_kind): New type.
7649 (struct sizetype_tab): Deleted.
7650 (sizetype_tab): Now array; adjust sizetype macros.
7651 (size_diffop, size_int_type_wide): New functions.
7652 (size_int_wide): Change number of args and type; access macros changed.
7653 (ssize_int, sbitsize_int): New macros.
7654 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7655 (ROUND_TYPE_SIZE_UNIT): New macro.
7657 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7659 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7661 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7663 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7664 Mark as possibly unused.
7666 * cse.c (cse_insn): Delete dead code involving tablejump.
7667 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7669 * Makefile.in (libcpp.a): Start by deleting it.
7671 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7673 * cpplib.h (enum file_change_code): Added rename_file.
7674 * cpplib.c (do_line): If a filename is given, set file_change to
7676 (output_line_command): If file_change is rename_file, always
7677 output a # directive with the file name.
7679 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7681 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7683 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7684 when copying a PARM_DECL or RESULT_DECL.
7686 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7688 * fix-header.c (recognized_function): Also fix prototypes for
7689 functions taking "void".
7691 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7693 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7694 looking at reg_reloaded_contents.
7696 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7698 * Makefile.in (STMP_FIXINC): New toggle.
7699 (LIBGCC2_DEPS): Delete all references.
7700 (stmp-headers): Delete target. All references either deleted
7701 or changed to stmp-int-headers.
7702 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7703 (LIBCPP_OBJS): Take out cppalloc.o.
7704 (cppalloc.o): Delete target.
7705 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7706 (gen-protos, fix-header): Link with libiberty.a.
7707 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7710 * configure.in: Remove refs to strerror.
7711 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7712 * system.h: Take out strerror stanza.
7714 * cpperror.c (my_strerror): Delete function.
7715 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7716 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7717 * cppalloc.c: Delete file.
7718 * gen-protos.c: Don't provide xrealloc.
7720 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7721 xstrerror throughout.
7723 2000-02-26 Bruce Korb <bkorb@gnu.org>
7725 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7726 match for DOS headers, too.
7727 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7729 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7731 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7732 is right for most ELF targets.
7733 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7734 Let the default file use %U properly.
7735 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7738 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7741 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7743 * toplev.c (documented_lang_options): Correct spelling error.
7744 (decode_d_option, decode_f_option, main): Likewise.
7746 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7748 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7749 to tell assembler it is permitted to expand large constants.
7751 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7753 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7754 (aux_info_suffix): Use.
7755 (SAVE_SUFFIX): New macro.
7757 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7758 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7759 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7761 * invoke.texi (Running Protoize): Update documentation.
7763 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7765 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7767 2000-02-25 John Wehle (john@feith.com)
7769 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7771 2000-02-25 Anthony Green <green@cygnus.com>
7773 * toplev.c (rest_of_compilation): Rebuild jump labels if
7774 combine_instructions has created a new direct jump.
7775 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7777 (combine_instructions): Call try_combine with new argument.
7778 Return non-null value when new direct jump instruction is created.
7779 * rtl.h: combine_instructions returns an int.
7781 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7783 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7784 jump when changing a computed jump into a jump to a known
7787 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7789 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7790 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7792 * i386.md (define_expand "clrstrsi"): Fix typo.
7794 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7796 * rtl.texi: Fix typo.
7798 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7800 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7801 UNITS_PER_WORD. Change caller initial_elimination_offset.
7802 (rounded_frame_size): Take into account that argument pushed has
7803 changed. Fix TARGET_ALIGN_DOUBLE problem.
7805 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7807 * haifa-sched.c (schedule_block): Explain the real reason
7808 we delete REG_SAVE_NOTEs on the first insn of a block.
7809 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7811 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7813 * input.h (push_srcloc): New function.
7814 (pop_srcloc): Likewise.
7815 * toplev.c (push_srcloc): Define it.
7816 (pop_srcloc): Likewise.
7818 2000-02-24 Richard Henderson <rth@cygnus.com>
7820 * flow.c (life_analysis): When collecting reg info, clear
7823 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7825 Fix bug exposed by reload.c no longer rounding the frame
7826 size to BIGGEST_ALIGNMENT:
7827 * sh.c (rounded_frame_size): New function.
7828 (sh_expand_prologue, sh_expand_epilogue): Use it.
7829 (initial_elimination_offset): Likewise.
7831 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7833 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7834 * sh-protos.h (sh_need_epilogue): Declare.
7835 * sh.c (sh_need_epilogue_known): New static variable.
7836 (sh_need_epilogue): New function.
7837 (function_epilogue): Clear need_epilogue_known.
7838 * sh.md (return): Split into expander / insn pattern.
7839 Make the expander conditional on ! sh_need_epilogue ().
7841 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7843 * machmode.h (get_mode_alignment): Declare.
7844 (GET_MODE_ALIGNMENT): Call it.
7845 * stor-layout.c (get_mode_alignment): New function. Make
7846 sure alignment is always power of 2.
7848 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7850 * i386.h: Remove useless definition of "I386" and misleading
7853 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7855 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7856 under which TREE_PERMANENT will be set.
7857 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7858 build1): Use TREE_SET_PERMANENT.
7859 * print-tree.c (print_node): Don't report value of
7860 TREE_PERMANENT if ggc_p is true.
7862 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7863 decide whether to give a type a new alias set.
7864 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7865 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7866 of value of 'obstack'.
7869 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7871 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7873 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7875 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7876 * cpplib.c (cpp_get_token): Produce them.
7877 * cppexp.c (cpp_lex): Handle them.
7879 2000-02-23 Nick Clifton <nickc@cygnus.com>
7881 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7882 comment tests on type attributes.
7884 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7886 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7887 conform to documentation.
7888 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7889 to check for special cases.
7890 * sh-protos.h (sh_loop_align): Declare.
7891 * sh.c (sh_loop_align): Define.
7893 2000-02-22 Andrew Haley <aph@cygnus.com>
7895 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7896 (SIZE_TYPE): Is 32 bits when using -mgp32.
7897 (PTRDIFF_TYPE): Ditto.
7899 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7901 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7903 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7905 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7906 BIGGEST_FIELD_ALIGNMENT a constant.
7908 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7910 * dwarf2out.c (output_line_info): Put the marker for the end of
7911 the line number info at the actual end.
7912 (gen_struct_or_union_type_die): Use decl_function_context
7913 to check for local classes.
7914 * dwarfout.c (output_type): Likewise.
7916 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7918 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7919 for arguments with a mode, but no type.
7920 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7921 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7922 * pa/long_double.h: New file.
7923 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7924 both have 128bit wide long doubles.
7925 * configure: Rebuilt.
7927 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7929 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7931 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7932 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7933 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7935 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7937 * integrate.c (compare_blocks, find_block): Likewise.
7939 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7941 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7943 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7944 expand_asm_operands): Likewise.
7946 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7948 * predict.c (estimate_probability): Added the pointer heuristic to
7949 the collection of static branch predictors.
7951 2000-02-21 Catherine Moore <clm@cygnus.com>
7953 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7954 * invoke.texi (-mfix7000): Document.
7956 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7958 * diagnostic.c (init_output_buffer): Make it possible to output at
7959 least 32 characters if we're given a too long prefix.
7961 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7963 * varasm.c (initializer_constant_valid_p): Call
7964 lang_expand_constant to simplify the constant.
7966 2000-02-20 Bruce Korb <bkorb@gnu.org>
7968 * fixinc/inclhack.def(stdio_va_list):
7969 typedef needs to be disabled.
7970 * fixinc/inclhack.sh: regen
7971 * fixinc/fixincl.x: regen
7973 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7975 * print-rtl.c (print_rtx): Don't print addresses when
7976 flag_dump_unnumbered.
7978 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7980 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7982 (sparc_va_arg, sparc_flat_output_function_prologue,
7983 sparc_flat_output_function_epilogue): Cast value to unsigned in
7985 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7987 * sparc.md: Add default case in switch.
7989 2000-02-19 Richard Henderson <rth@cygnus.com>
7991 * c-typeck.c (add_pending_init): Don't abort for multiple
7992 fields at the same offset.
7993 (pending_init_member): Test the correct member.
7995 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7997 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7999 (start_catch_handler) : Same.
8001 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8003 * Makefile.in: Have flow.o depend on $(EXPR_H)
8005 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8007 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8008 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8009 (finish_decl): Remove -Wlarger-than code from here.
8010 * flags.h (id_clash_len): Now int.
8011 (larger_than_size): Now HOST_WIDE_INT.
8012 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8013 Clean up checking to see if in table.
8014 (make_bit_field_ref): Remove extra parm to bitsize_int.
8015 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8016 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8017 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8018 and for computing size of decl.
8019 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8020 Move -Wlarger-than code to here.
8021 (layout_record): Remove extra arg to bitsize_int.
8022 Set TYPE_BINFO_SIZE_UNIT.
8023 (layout_union): Remove extra arg to bitsize_int.
8024 Use proper type for size of QUAL_UNION.
8025 (layout_type): Remove extra arg to bitsize_int.
8026 * toplev.c (id_clash_len): Now int.
8027 (larger_than_size): Now HOST_WIDE_INT.
8028 (decode_W_option): Clean up id-clash and larger-than- cases.
8029 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8030 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8031 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8032 (struct tree_decl): New field size_unit.
8033 (size_int_wide): No HIGH operand; NUMBER is now signed.
8034 (size_int_2): Deleted.
8035 (size_int, bitsize_int): Don't use it and rework args.
8036 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8038 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8040 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8042 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8044 * invoke.texi (Warning Options): Add an explanation of why
8045 you might want the -Wfloat-equal flag.
8047 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8049 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8050 * cppinit.c (new_pending_define): Add cast to avoid warning.
8051 * expmed.c (extract_bit_field): Likewise.
8052 * flow.c (enum reorder_skip_type): New type.
8053 (skip_insns_between_blcok): New it.
8054 Rework to avoid warning about possibly undefined variable.
8055 * function.c (assign_parms): Make thisparm_boundary unsigned.
8056 * genrecog.c (write_switch): Cast XWINT result to int.
8057 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8058 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8059 one for MIPS and one for Alpha.
8060 (get_tag, copy_object): Add casts to avoid warnings.
8061 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8062 * reload.c (find_reloads): Make TYPE enum reload_type.
8063 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8064 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8065 * varasm.c (compare_constant_1): Add cast to avoid warning.
8066 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8068 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8069 Cast switch operand of size to int.
8070 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8071 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8074 2000-02-18 Nick Clifton <nickc@cygnus.com>
8076 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8077 anything for an alignment of zero.
8079 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8080 anything for an alignment of zero.
8082 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8084 * gcc.texi (Bug Reporting): Refer to bugs.html.
8085 (Bug Lists): Likewise.
8086 * system.h (GCCBUGURL): New preprocessor define.
8087 * rtl.c (fancy_abort): Use it.
8088 * gcc.c (main): Likewise.
8090 2000-02-18 Richard Henderson <rth@cygnus.com>
8092 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8093 (life_analysis_1): Subsume into ...
8094 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8095 Use update_life_info for the relaxation.
8096 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8097 entry and regs_live_at_setjmp.
8098 (set_noop_p): Simplify.
8099 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8100 (record_volatile_insns): Split into ...
8101 (delete_noop_moves): ... here,
8102 (notice_stack_pointer_modification): ... here,
8103 (insn_dead_p): ... and here.
8104 (propagate_block): Don't query INSN_VOLATILE.
8105 (mark_used_regs): Mind !PROP_REG_INFO.
8106 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8107 not in life_analysis.
8109 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8111 * loop.c (canonicalize_condition): New function,
8112 broken out of get_condition.
8113 (get_condition): Use it.
8114 * expr.h (canonicalize_condition): Prototype it.
8116 * tree.h (tree_int_cst_msb): Declare.
8117 * tree.c (tree_int_cst_msb): New function.
8119 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8121 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8124 * invoke.texi (-fmessage-length=n): Document.
8126 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8128 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8130 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8132 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8135 2000-02-17 Nick Clifton <nickc@cygnus.com>
8137 * config/arm/thumb.c: Replace includes of system headers with
8138 #include "system.h".
8140 2000-02-16 Richard Henderson <rth@cygnus.com>
8142 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8143 Add crtbeginS.o and crtendS.o.
8144 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8145 (ENDFILE_SPEC): Use crtendS.o.
8146 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8148 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8149 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8151 (__dso_handle): New variable.
8152 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8153 bias to __CTOR_END__.
8155 2000-02-16 Richard Henderson <rth@cygnus.com>
8157 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8159 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8161 * longlong.h (__clz_tab): Declare as static to match definition.
8163 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8164 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8165 (XREF_FILE_NAME): Define.
8167 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8168 (EH_FRAME_SECTION_ASM_OP): Define.
8169 (IDENT_ASM_OP): Define.
8170 (TEXT_SECTION_ASM_OP): Define.
8172 (CTORS_SECTION_ASM_OP): Define.
8173 (CTOR_SECTION_FUNCTION): Use it.
8174 (DTORS_SECTION_ASM_OP): Define.
8175 (DTOR_SECTION_FUNCTION): Use it.
8177 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8179 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8182 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8183 debug_bb_n): New functions.
8184 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8185 * basic-block.h: Prototype new functions.
8187 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8189 * configure.in: Add support for avr target.
8190 * configure: Rebuilt.
8192 * invoke.texi: Add AVR invocation docs.
8193 * install.texi: Add information about AVR.
8194 * md.texi: Add AVR constraint letters description.
8195 * extend.texi: Add description for AVR specific attributes.
8197 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8199 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8201 2000-02-16 Nick Clifton <nickc@cygnus.com>
8203 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8204 (make_insn_raw): Move RTL check here.
8206 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8208 * version.c: Include gansidecl.h and version.h.
8210 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8212 * configure.in (gcc_version): When setting, narrow search to
8213 lines containing `version_string'.
8215 * Makefile.in (mainversion): Likewise.
8216 (GCC_H): New variable.
8217 (gcc.h): Delete target.
8218 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8219 (version.o): Depend on version.h.
8220 (dbxout.o): Don't depend on gcc.h.
8222 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8223 Michael Meissner <meissner@cygnus.com>
8225 * md.texi (Simple Constraints): Add item about whitespace.
8226 * genoutput.c (strip_whitespace): New.
8227 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8228 strip_whitespace for constraints.
8229 Test pointer using NULL, not 0.
8231 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8233 * cpplib.c (do_line): Pedwarn for #line > 32767.
8235 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8237 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8239 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8240 to default cpp spec.
8241 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8242 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8245 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8248 2000-02-15 Denis Chertykov <denisc@overta.ru>
8250 * configure.in: Add support for avr target.
8252 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8254 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8255 (sh_addr_diff_vec_mode): Don't declare.
8256 * sh.c (sh_addr_diff_vec_mode): Delete.
8258 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8260 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8262 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8264 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8265 (smulsi3_highpart_i): Name.
8266 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8267 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8268 (smulsi3_highpart, umulsi3_highpart): Likewise.
8270 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8271 correctly independent of endianness.
8272 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8273 confuse the optimizers.
8274 (mulsidi3+1, umulsidi3+1): New define_split.
8276 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8278 * config/sh/sh.md: Guard insn splits against illegal registers.
8279 * config/sh/sh.h: Correct comment about macros.
8281 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8282 Andrew MacLeod <amacleod@cygnus.com>
8284 * Makefile.in (lcm.o): Depend on insn-attr.h.
8285 * basic-block.h (optimize_mode_switching): Declare.
8286 * lcm.c (tm_p.h, insn-attr.h): #include.
8287 (seginfo, bb_info): New structs.
8288 (antic, transp, comp, delete, insert) : New file-scope static variables.
8289 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8290 (reg_becomes_live, optimize_mode_switching): Likewise.
8291 * tm.texi: Add description of mode switching macros.
8292 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8294 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8295 (fldi_ok, fpscr_set_from_mem): New prototypes.
8296 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8297 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8298 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8299 (sh_flag_remove_dead_before_cse): Remove declaration.
8300 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8301 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8302 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8303 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8304 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8305 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8306 (fldi_ok): New function.
8307 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8308 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8309 (emit_df_insn): Likewise.
8310 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8311 (sh_flag_remove_dead_before_cse): Delete.
8312 (get_free_reg, fpscr_set_from_mem): New functions.
8313 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8314 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8316 2000-02-15 Loren Rittle <ljrittle@acm.org>
8318 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8320 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8322 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8323 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8325 * cccp.c: Include version.h and/or don't declare `version_string'.
8326 * collect2.c: Likewise.
8327 * alpha.c: Likewise.
8328 * arm/aof.h: Likewise.
8329 * arm/coff.h: Likewise.
8330 * arm/elf.h: Likewise.
8331 * arm/pe.h: Likewise.
8332 * arm/tcoff.h: Likewise.
8333 * arm/telf.h: Likewise.
8334 * arm/tpe.h: Likewise.
8335 * arm/vxarm.h: Likewise.
8336 * convex/convex.c: Likewise.
8337 * i386/dgux.c: Likewise.
8338 * i386/sun386.h: Likewise.
8339 * m88k/m88k.c: Likewise.
8340 * mcore/mcore-pe.h: Likewise.
8341 * mips/mips.h: Likewise.
8342 * romp/romp.h: Likewise.
8343 * sh/sh.c: Likewise.
8344 * cpphash.c: Likewise.
8345 * cppinit.c: Likewise.
8346 * dwarf2out.c: Likewise.
8347 * dwarfout.c: Likewise.
8350 * mips-tfile.c: Likewise.
8351 * protoize.c: Likewise.
8352 * toplev.c: Likewise.
8355 * version.c (version_string): Constify a char*.
8357 * version.h: New file.
8359 2000-02-14 Nick Clifton <nickc@cygnus.com>
8361 * configure.in: Add mcore-elf and mcore-pe targets.
8362 * configure: Regenerate.
8364 * NEWS: Add note that MCore port has been contributed.
8366 * invoke.texi: Document command line switches for MCore port.
8367 * install.texi: Add MCore to list of supported targets.
8369 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8371 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8372 then we will need to import the frame handling functions.
8373 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8374 to import the frames themselves.
8376 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8377 Jason Eckhardt <jle@cygnus.com>
8379 * basic_block.h: Added prototype for reorder_basic_blocks.
8380 * toplev.c: Changes to add -freorder-blocks and graph dump after
8381 block reordering is done.
8382 * flow.c (reorder_block_def): New structure for use during block
8384 (REORDER_BLOCK_*): New macros to access members of above structure.
8385 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8386 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8387 functions for block reordering.
8389 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8391 * gcc.texi (Passes): Fix typo.
8392 * md.texi (Standard Names): Ditto.
8393 * tm.texi (Storage Layout): Ditto.
8395 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8397 * cpplib.c (do_define): Only free the old definition if it
8400 2000-02-13 Neil Booth <NeilB@earthling.net>
8402 * cppfiles.c (read_and_prescan): When emitting deferred
8403 newlines, test speccase[] again instead of checking each
8404 possible whitespace character in turn. When we encounter \r,
8405 look behind for \n first, then ahead.
8407 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8409 * cse.c (cse_altered): New internal flag.
8410 (cse_insn): Set it if we changed an insn.
8411 (cse_main): Clear cse_altered before each basic block.
8412 Only garbage collect if cse_altered is true afterward.
8414 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8416 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8418 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8420 * combine.c (simplify_comparison): Fix typo.
8422 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8424 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8427 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8429 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8430 previously inserted node instead of root node. Caller changed.
8432 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8434 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8436 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8438 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8439 __dereg_frame_dtor): Add prototype argument.
8441 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8443 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8445 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8447 * gthr-vxworks.h (__gthread_once): Likewise.
8449 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8451 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8453 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8454 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8455 stack pointer in functions w/o saved registers, output LEAVE more often
8456 on TARGET_USE_LEAVE machines.
8458 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8460 * config/arm/arm.c (arm_init_cumulative_args); New function:
8461 Initlaise the CUMULATIE_ARGS strcuture for a function
8463 (arm_function_arg): New function: Determine where to place a
8464 function's argument. Also handles deciding the function's
8466 (current_file_function_operand): New function: Return true if
8467 the symbol is a function which has already been compiled.
8468 (arm_is_long_call_p): New function: Return true if the
8469 indicated function should be called via a long call.
8470 (arm_valid_type_attribute_p): New function: Return true if the
8471 attribute is a valid, arm specific, attribute.
8472 (arm_comp_type_attribute): New function: Return true if the
8473 two types have compatable, arm specific, attributes.
8475 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8477 (FUNCTION_ARG): Redefine to call arm_function_arg.
8478 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8480 (INIT_CUMULATIVE_ARGS): Redefine to call
8481 arm_init_cumulative_args.
8482 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8484 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8486 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8488 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8489 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8490 (COMP_TYPE_ATTRIBUTES): Define.
8492 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8493 if a long call is needed.
8494 (call_value): Call arm_is_long_call_p to decide if a long call
8496 (call_symbol): Call arm_is_long_call_p to decide if a long call
8499 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8501 2000-02-11 Denis Chertykov <denisc@overta.ru>
8503 * README.AVR: New file with information about the avr ports.
8504 * config/avr: New directory with avr port files.
8506 2000-02-11 Andreas Jaeger <aj@suse.de>
8508 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8510 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8512 * cpphash.c: Fix formatting, update commentary.
8513 (dump_definition): Take three separate arguments instead of a
8514 MACRODEF structure argument.
8515 * cpphash.h: Update prototype of dump_definition.
8516 * cppinit.c (cpp_finish): Update call of dump_definition.
8518 * cpplib.c (do_define): Always create new hash entry with
8519 T_MACRO type. Remove redundant check for redefinition of
8520 poisoned identifier. Update call of dump_definition.
8521 (do_undef): Don't call check_macro_name. Rename sym_length to
8523 (do_error, do_warning): Don't use copy_rest_of_line or
8525 (do_warning): Don't use pedwarn for the actual warning,
8526 only the notice about its not being in the standard. (Fixes
8527 bug with #warning in system headers.)
8528 (do_ident): Stricter argument checking - accept only a single
8529 string after #ident. Also, macro-expand the line.
8530 (do_xifdef): Use cpp_defined. De-obfuscate.
8532 (do_pragma): Split out specific pragma handling to separate
8533 functions. Use get_directive_token. Update commentary. Do
8534 not pass on #pragma once or #pragma poison to the front end.
8535 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8536 do_pragma_default): New.
8538 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8540 * jump.c (jump_optimize_1): The first operand in a relational
8542 * optabs.c (emit_conditional_move): Handle relationals which
8543 have a known true/false result.
8545 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8547 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8548 a RETURN insn into a block which already ends with a jump.
8550 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8552 * haifa-sched.c (BUF_LEN): Increase a lot.
8554 2000-02-11 Nick Clifton <nickc@cygnus.com>
8556 * configure.in: Add tm_p_file specification for thumb targets.
8557 * configure: Regenerate.
8559 * config/arm/thumb-protos.h: New file: Prototypes for exported
8560 functions defined in thumb.c.
8562 2000-02-11 Robert Lipe <robertl@sco.com>
8564 * Makefile.in (bootstrap-lean): Remove additional files.
8565 (bootstrap2-lean): Likewise.
8566 (VOL_FILES): List of files for above.
8568 2000-02-11 Nathan Sidwell <nathan@acm.org>
8570 * cpphash.c (special_symbol): Remove spurious argument to
8573 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8575 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8577 * configure: Rebuilt.
8579 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8581 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8583 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8585 * pa.c, pa.h: Remove trigraph sequences within comments.
8587 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8589 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8591 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8593 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8595 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8597 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8599 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8601 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8602 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8603 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8604 (ASM_FILE_END): Use c4x_file_end.
8605 * config/c4x/c4x.c (c4x_global_label): New function.
8606 (c4x_external_ref, c4x_file_end): Likewise.
8608 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8609 (c4x_external_ref, c4x_end_file): Likewise.
8611 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8613 * cppexp.c: Don't include cpphash.h.
8614 (parse_charconst, cpp_lex): Use cpp_defined.
8615 (cpp_lex): Use get_directive_token throughout. Remove
8616 unnecessary cases from switch. Move assertion-handling code
8618 (cpp_parse_expr): If we see '+' or '-', check the context to
8619 determine if they are unary or binary operators. Streamline
8620 the jumps a bit. Do not call skip_rest_of_line.
8622 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8623 static. Export get_directive_token. Update commentary.
8624 (cpp_defined): New function.
8625 (do_define): Remove reference to T_PCSTRING. Call
8626 free_definition to release memory for old definition, when
8628 (eval_if_expression): Set only_seen_white to 0 before calling
8629 cpp_parse_expr. Call skip_rest_of_line after it returns.
8630 (cpp_read_check_assertion): Don't preserve a pointer into the
8631 token buffer across a call to cpp_get_token.
8633 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8634 * cppfiles.c (redundant_include_p): Use cpp_defined.
8635 * cpphash.c (free_definition): New function.
8636 (delete_macro): Use it. Update commentary.
8637 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8639 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8640 from enum node_type. Prototype cpp_defined and get_directive_token.
8641 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8643 * fix-header.c (check_macro_names): Use cpp_defined.
8644 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8645 the options structure.
8647 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8649 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8651 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8653 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8654 rather than die->die_tag.
8656 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8658 * combine.c (make_extraction, force_to_mode): Avoid warning on
8659 mixed-signedness conditionals.
8660 (make_field_assignment, nonzero_bits): Likewise.
8661 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8662 (store_split_bit_field, extract_split_bit_field): Likewise.
8663 (extract_fixed_bit_field, store_bit_field,
8664 * expr.c: Change alignment to be unsigned everywhere.
8665 (move_by_pieces, store_constructor_field, store_constructor):
8666 Alignment parm is unsigned.
8667 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8668 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8669 (do_compare_rtx_and_jump): Likewise.
8670 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8671 Compare align with GET_MODE_ALIGNMENT.
8672 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8673 (get_inner_reference): Likewise.
8674 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8675 (expand_assignment): Local vars for alignment now unsigned.
8676 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8677 (do_compare_and_jump): Likewise.
8678 (store_field): Call new function expr_align.
8679 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8680 Alignment arg now unsigned.
8681 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8682 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8683 (extract_bit_field): Likewise.
8684 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8685 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8686 (get_best_mode): Alignment arg is unsigned.
8687 * rtl.h (move_by_pieces): Likewise.
8688 * store-layout.c (maximum_field_alignment, set_alignment):
8690 (layout_decl): Alignment arg is now unsigned.
8691 Remove unneeded casts.
8692 (layout_record, layout_union, layout_type): Remove unneeded casts.
8693 Local alignment variables now unsigned.
8694 (get_best_mode): Alignment arg now unsigned.
8695 * tree.c (expr_align): New function.
8696 * tree.h (expr_align): Likewise.
8697 (maximum_field_alignment, set_alignment): Now unsigned.
8698 (get_inner_reference): Alignment argument is now pointer to unsigned.
8699 * varasm.c (assemble_variable): Add cast to eliminate warning.
8701 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8703 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8704 then store directly into op0.
8706 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8707 the CALL_INSN, and emit the note immediately after it.
8709 2000-02-10 Nick Clifton <nickc@cygnus.com>
8711 * config/arm/thumb.md (epilogue): Include a (return) in the
8712 generated insn, and emit it using emit_jump_insn not
8715 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8717 * function.c (assign_temp): Change zero-sized arrays to size 1.
8718 * integrate.c (expand_inline_function): Do not update
8719 stack_alignment_needed
8720 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8721 add some sanity checking, remove optimization for function with
8724 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8726 * flow.c (mark_regs_live_at_end): Delete unused variables.
8728 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8730 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8731 in macro FRAME_GROWS_DOWNWARD.
8733 * stmt.c (expand_end_bindings): Delete unused variable.
8735 * unroll.c (iteration_info): Mark parameter `loop' with
8738 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8740 * fixinc/server.c (load_data): Return NULL if the marker line is
8742 (run_shell): If load_data returns NULL, retry the command once, in
8745 * configure: Rebuilt.
8747 2000-02-09 Bruce Korb <bkorb@gnu.org>
8749 * gcc/fixincludes: ** DELETED **
8750 * gcc/fixcpp: ** DELETED **
8751 * gcc/fixinc-nt.sed: ** DELETED **
8752 * gcc/just-fixinc: ** DELETED **
8753 * gcc/Makefile.in: Removed out-dated commentary
8754 * gcc/configure.in: Removed fast-fixincludes disablement.
8755 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8757 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8758 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8761 2000-02-09 Richard Henderson <rth@cygnus.com>
8763 * jump.c (delete_insn): Don't delete user labels at -O0.
8765 2000-02-09 Robert Lipe <robertl@sco.com>
8767 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8768 Don't link with HOST_LIBS.
8770 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8772 * configure.in: Correct --help text for --with-dwarf2.
8773 Put tm-dwarf2.h after other tm files, if it's requested.
8774 * configure: Regenerate.
8775 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8778 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8780 * cpplib.h: Provide HASHNODE typedef and forward decl of
8781 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8782 DEFINITION, struct hashnode, struct macrodef, struct
8783 definition, scan_decls prototype, default defn of
8784 INCLUDE_LEN_FUDGE moved elsewhere.
8786 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8787 definition, and struct hashnode moved here. Remove the unused
8788 'predefined' field from struct definition. Replace the 'args'
8789 union with its sole member. All users updated (cpphash.c).
8790 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8791 multiple include guard.
8793 * cpphash.c (hashf): Make static; use better algorithm; drop
8794 HASHSIZE parameter; return an unsigned int.
8795 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8796 used. Calculate HASHSIZE modulus here.
8797 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8799 (create_definition): Drop PREDEFINITION parameter.
8800 * cpplib.c (do_define): Don't calculate a hash value here.
8801 Don't pass (keyword == NULL) to create_definition.
8803 * scan.h: Prototype scan_decls here.
8804 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8805 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8806 callers of cpp_lookup and cpp_install updated.
8808 * cpphash.c (macarg): Hoist all the flag diddling out of the
8810 (macroexpand): ... and out of the loop that calls macarg.
8811 Skip over the initial paren before macro arguments with
8812 cpp_get_non_space_token; point may be some distance before
8813 that paren. Abort if it's not there.
8815 * cpplib.c (parse_clear_mark): Delete function.
8816 (parse_set_mark, parse_goto_mark): Make static.
8817 (ACTIVE_MARK_P): New macro.
8818 (skip_block_comment, skip_line_comment): Do not bump the line
8819 if ACTIVE_MARK_P is true.
8820 (cpp_pop_buffer): The buffer to be popped may not have an
8822 (cpp_get_token): When looking for the initial paren before
8823 macro arguments, only set a mark in a file buffer, Always
8824 return to that mark before proceeding to call macroexpand or
8825 return a NAME token.
8827 * cpplib.h: Remove prototypes of parse_set_mark,
8828 parse_clear_mark, parse_goto_mark.
8829 (struct cpp_options): Rename 'put_out_comments' to
8830 'discard_comments' and invert its sense.
8831 * cppinit.c, cpphash.c, cpplib.c: All users of
8832 put_out_comments changed to use discard_comments, with
8835 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8837 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8838 the edge from a block that both jumps and falls through to the
8841 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8843 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8844 constant source address is legitimate.
8846 2000-02-09 Philip Blundell <pb@futuretv.com>
8848 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8851 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8853 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8855 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8857 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8858 ends with a newline and a NUL. Don't be so clever manipulating
8861 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8863 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8864 not to BIGGEST_ALIGNMENT.
8866 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8868 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8869 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8870 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8871 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8872 * frame.c (execute_cfa_insn): Handle
8873 DW_CFA_GNU_negative_offset_extended.
8875 2000-02-08 Richard Henderson <rth@cygnus.com>
8877 * flow.c (tidy_fallthru_edges): Split out from ...
8878 (delete_unreachable_blocks): ... here.
8879 (find_basic_blocks): Use it.
8881 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8883 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8885 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8887 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8888 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8889 (fix-header.o): Don't depend on cpphash.h.
8891 * scan.c (hashstr): New function.
8892 * scan.h: Prototype it.
8893 * fix-header.c: Don't include cpphash.h. Use hashstr.
8894 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8895 hashstr. Report hash table statistics. Add private
8896 definition of xrealloc.
8898 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8900 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8902 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8904 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8905 jumps with returns unless they are jumps to the fallthru block.
8907 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8909 * i386.md (addqi3_cc): Fix contraints.
8911 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8913 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8915 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8917 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8918 carriage return after a macro name.
8920 2000-02-07 Fred Fish <fnf@be.com>
8922 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8923 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8925 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8927 * cppfiles.c (deps_output): Count spacers in deps_column.
8929 2000-02-07 Neil Booth <NeilB@earthling.net>
8931 * cppinit.c (initialize_dependency_output): If there is no
8932 suffix, don't try to look for known suffixes. Use strrchr.
8933 (cpp_start_read): Remove duplicate initialization.
8935 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8937 * calls.c (compute_argument_block_size): New argument
8938 preferred_stack_boundary.
8939 (expand_call): update cfun->preferred_stack_boundary, update call of
8940 compute_argument_block_size
8941 (emit_library_call): Increate cfun->preferred_stack_boundary
8942 to PREFERRED_STACK_BOUNDARY
8943 (emit_library_call_value): Likewise.
8944 * explow.c (allocate_dynamic_stack_spave): Likewise.
8945 * function.c (prepare_function_start): Set
8946 cfun->preferred_stack_boundary
8947 * function.h (struct function): Add preferred_stack_boundary field.
8948 * integrate.c (expand_inline_function): Update
8949 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8950 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8951 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8953 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8955 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8956 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8957 cpp_pedwarn, cpp_pedwarn_with_line,
8958 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8959 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8960 v_cpp_error_with_line, v_cpp_warning_with_line,
8961 cpp_message_from_errno, cpp_perror_with_name): Delete.
8963 * cpperror.c (cpp_print_containing_files): Take starting
8965 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8966 (v_cpp_message): Now called directly by all entry points.
8968 (cpp_pfatal_with_name, cpp_message): Delete.
8969 (cpp_notice_from_errno, cpp_ice): New functions.
8970 (cpp_notice): Is now for reporting error conditions, just
8971 without an associated file.
8972 (cpp_error, cpp_error_with_line): Don't do anything if
8973 opts->inhibit_errors is on.
8974 (cpp_pedwarn_with_file_and_line): Take column argument also.
8976 * cpplib.h: Update prototypes of exported functions.
8977 (struct cpp_options): Add inhibit_errors.
8979 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8980 non-error messages. Include intl.h.
8982 * cppinit.c, cppmain.c: Likewise. Also, use
8983 cpp_notice_from_errno instead of cpp_perror_with_name or
8984 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8986 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8987 report internal errors.
8989 * cpplib.c (do_define): Switch bcopy to memcpy.
8990 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8992 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8993 bail out early if we hit a line comment.
8995 2000-02-06 Richard Henderson <rth@cygnus.com>
8997 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8998 * basic-block.h: Declare them.
8999 * emit-rtl.h (active_insn_p): New.
9000 (next_active_insn, prev_active_insn): Use it.
9001 * rtl.h: Declare it.
9002 * function.c (emit_return_into_block): New.
9003 (thread_prologue_and_epilogue_insns): Insert return insns instead
9004 of epilogues when possible.
9005 * jump.c (jump_optimize_1): Remove code to insert a return insn
9006 on the fallthru to the exit block.
9008 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9009 and for non-empty stack frames.
9010 * i386.md (return): Expand to return-pop as needed.
9012 2000-02-06 Richard Henderson <rth@cygnus.com>
9014 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9015 constant to op1 for testing.
9017 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9019 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9020 (fixuns_truncqfqi2): Use it.
9022 2000-02-06 Richard Henderson <rth@cygnus.com>
9024 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9027 * i386.md (widening and peepholes): Mask the constant instead of
9030 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9032 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9033 input pointer before possibly branching off to the backslash
9035 * cpphash.c (macroexpand): Correctly delete \r escapes when
9036 stringifying parameters.
9037 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9038 if we can; bail out early if we hit a line comment.
9039 (handle_directive): Treat '# 123' in an .S file just like
9040 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9041 Return 1 for '# not_a_directive'.
9042 (get_directive_token): Pop macro buffers here, so that
9043 cpp_get_token can't sneakily move past a newline.
9045 (cpp_get_token): goto randomchar if handle_directive returns 0.
9047 * cppalloc.c: Update copyright.
9048 * cpplib.c: Merge all the static function prototypes into one
9050 * cpplib.h: Remove #if 0 block.
9052 * cpperror.c: Remove #ifdef EMACS block.
9053 * cppmain.c: Likewise.
9054 * cpphash.c: Remove #if 0 blocks.
9055 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9056 * cpplib.c: Remove #if 0 blocks and code referencing
9057 pcp_inside_if or for_lint. Remove duplicate error message.
9058 Fix error messages for #else after #else or #elif. Reformat.
9059 Remove archaic TODO list.
9060 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9062 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9064 * i386/osf1elf.h: Add missing backslash to multiline string.
9066 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9068 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9070 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9072 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9074 * c-common.c: Include expr.h.
9076 * c-pragma.c (mark_align_stack): Add prototype.
9078 * caller-save.c (add_stored_regs): Likewise.
9080 * combine.c (record_promoted_value): Likewise.
9082 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9085 * cppinit.c (new_pending_define): Likewise.
9087 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9089 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9090 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9091 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9092 class_scope_p): Likewise.
9094 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9095 dwarf2out_add_library_unit_info): Likewise.
9097 * ggc.h (ggc_page_print_statistics): Likewise.
9099 * haifa-sched.c (propagate_deps): Likewise.
9101 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9103 * rtl.h (set_stack_check_libfunc): Likewise.
9105 * toplev.h (set_fatal_function): Likewise.
9107 * toplev.c (set_fatal_function): Delete prototype.
9109 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9111 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9113 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9114 (FUNC_END): Likewise.
9116 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9118 * caller-save.c: Include tm_p.h.
9120 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9122 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9124 2000-02-04 Neil Booth <NeilB@earthling.net>
9126 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9129 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9131 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9132 * genflags.c: Use the max_operand_1 logic from genemit.c to
9133 calculate how many arguments gen_insn prototypes have. Remove
9134 NO_MD_PROTOTYPES ifdefs from the generated file.
9135 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9136 file. Cast gen_insn initializers to insn_gen_fn.
9137 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9138 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9140 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9142 * fixinc/Makefile.in (HDR): Add machname.h.
9145 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9147 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9148 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9149 (c4x_cpu_version): Ditto.
9150 * config/c4x/c4x-protos.h: ... here.
9152 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9154 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9155 gen_abstract_function on our context if we're a nested function.
9157 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9159 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9160 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9162 2000-02-04 Bruce Korb <bkorb@gnu.org>
9164 * fixinc/genfixes(machname.h):
9165 Move the functionality from gen-machine.h into this file.
9166 UNdef MN_NAME_PAT if there are no names to change.
9167 Also, be a little kinder when AutoGen is not present.
9169 * fixinc/Makefile.in(machname.h):
9170 Change the generation rule to use genfixes.
9172 * fixinc/fixfixes.c(machine_name):
9173 machine_name_fix's functionality now dependent upon whether
9174 MN_NAME_PAT is defined.
9176 * fixinc/fixtests.c(machine_name):
9179 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9182 * fixinc/fixlib.h(mn_get_regexps):
9185 * fixinc/gen-machine.h: DELETED
9187 2000-02-04 Jan Hubicka <jh@suse.cz>
9188 Richard Henderson <rth@cygnus.com>
9190 * i386.c (SAVE_REGS_FIRST): Remove.
9191 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9192 (ix86_compute_frame_size): Likewise.
9193 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9194 (ix86_emit_restore_regs): Remove.
9195 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9196 when a frame pointer is in use.
9197 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9198 instead of pop to restore a register when profitable; emit leave
9200 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9202 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9203 * i386.md (prologue_allocate_stack): Remove.
9204 (epilogue_deallocate_stack): Remove.
9205 (pro_epilogue_adjust_stack): New.
9207 2000-02-04 Richard Henderson <rth@cygnus.com>
9209 * function.c (diddle_return_value): Rework to use a callback function.
9210 Use current_function_return_rtx if it's been set up.
9211 (do_clobber_return_reg, clobber_return_register): New.
9212 (do_use_return_reg, use_return_register): New.
9213 (expand_function_end): Use them.
9214 * stmt.c (expand_null_return): Likewise.
9215 * function.h: Declare them.
9216 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9217 (mark_reg): Change arguments as appropriate for callback.
9218 * integrate.c (expand_inline_function): Revert 19 Jan change.
9220 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9222 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9223 (Misc): Say the scheduler, not the Haifa scheduler.
9225 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9227 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9228 when in_mem is set. Update all callers.
9230 2000-02-04 Richard Henderson <rth@cygnus.com>
9232 * i386/openbsd.h (INT_ASM_OP): Define.
9234 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9236 * tm.texi: Fix various typos.
9238 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9240 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9241 (MD_STARTFILE_PREFIX_1): New macro.
9243 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9245 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9246 destination when needed.
9247 (strmovsi, strsetsi): New expander.
9248 (strmovsi_1, strsetsi_1): New pattern.
9249 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9250 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9251 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9252 * invoke.texi (align-stringops, inline-all-stringops): Document.
9254 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9256 * i386/netbsd.h (INT_ASM_OP): Define.
9258 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9260 * cpplib.h (cpp_reader): Add new flag, no_directives.
9261 * cpphash.c (macarg): Set it.
9262 * cpplib.c (handle_directive): If no_directives is on and we
9263 find a directive, issue an error and discard the line.
9265 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9267 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9268 FP constants. Add ! TARGET_FPU check for FP constants.
9270 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9272 * flow.c (find_basic_blocks): Don't kill label_value_list
9274 (cleanup_cfg): Kill it here.
9276 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9278 * expr.c (store_field): Ensure ALIGN is no stricter than the
9281 2000-02-02 Richard Henderson <rth@cygnus.com>
9283 * jump.c (delete_insn): Partially revert 19 Jan change;
9284 don't convert unused code labels to notes at -O0.
9286 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9288 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9289 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9291 2000-02-01 Richard Henderson <rth@cygnus.com>
9293 * i386.c (general_no_elim_operand): New.
9294 (nonmemory_no_elim_operand): New.
9295 (ix86_expand_move): Copy eliminable operands before a push.
9296 * i386-protos.h: Declare new functions.
9297 * i386.h (CAN_ELIMINATE): Simplify.
9298 (PREDICATE_CODES): Update.
9299 * i386.md (push insns): Don't allow eliminable register operands.
9301 2000-02-01 Richard Henderson <rth@cygnus.com>
9303 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9304 replace BLKmode with DECL_RTL's mode.
9306 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9308 * frame.c (find_fde): Convert for loop to do-while so compiler
9309 sees it's always executed at least once.
9310 * libgcc2.c (BBINBUFSIZE): Kill.
9311 (__bb_init_prg): Use fgets.
9312 (__bb_exit_trace_func): Don't paste strings.
9313 * unroll.c (unroll_loop): Initialize unroll_type, not
9314 unroll_number, and tweak logic to match.
9316 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9318 (ix86_flags_dependant): Likewise. Disentangle control flow.
9319 (ix86_sched_reorder): Break guts out to
9320 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9321 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9324 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9325 use string concatenation. Don't save and restore esi.
9327 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9328 (machname.h): Remove script to separate file. Use two-step
9329 sequence so target is not created if script fails.
9330 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9331 identifiers are defined.
9332 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9333 an empty string, machine_name doesn't need to do anything at
9335 (is_cxx_header): Add more cases to regexp.
9336 * fixinc/fixlib.h: Update prototype.
9337 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9339 * fixinc/fixincl.c: Define NO_BOGOSITY.
9341 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9342 (hp_sysfile): Add missing comma.
9343 (math_exception): Put the wrapper ifdefs at the beginning and
9344 the end of the file.
9345 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9347 2000-02-01 Richard Henderson <rth@cygnus.com>
9349 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9350 Use CONST0_RTX. Update all callers.
9351 * sparc.h, sparc-protos.h: Update accordingly.
9352 * sparc.md (fp mov insns): Use fp_zero_operand directly
9355 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9357 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9360 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9362 * Makefile.in (specs.ready): New target.
9363 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9365 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9367 * fixinc.irix: Use unique filenames for writing into /tmp,
9368 * fixinc.ptx: Likewise.
9369 * fixinc.sco: Likewise.
9370 * fixinc.svr4: Likewise.
9371 * fixinc.winnt: Likewise.
9373 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9375 * tsystem.h: New file.
9377 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9378 s-crtS): Depend on tsystem.h.
9380 * crtstuff.c: Include tsystem.h.
9381 * frame.c: Likewise.
9382 * libgcc2.c: Likewise.
9384 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9386 * builtins.c (expand_builtin_memset): Expand for variable sized
9389 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9391 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9394 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9396 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9398 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9400 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9402 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9403 case 3->2 combining (combining with splitting) in which 2 is CC0
9404 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9405 checked at the begining of the function with the aid of calling
9406 function 'can_combine_p'.
9408 2000-01-31 Dave Brolley <brolley@redhat.com>
9410 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9412 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9414 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9417 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9419 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9421 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9424 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9426 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9427 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9428 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9429 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9430 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9431 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9432 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9433 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9434 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9435 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9437 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9438 Add %(cpp_cpu) to CPP_SPEC.
9440 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9441 Add %(cc1_cpu) to CC1_SPEC.
9443 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9445 * c-decl.c (c_decode_option): Accept optional numeric argument to
9446 -Wformat and set warn_format.
9447 * c-common.c: Don't emit warning about non-constant printf format
9448 string unless warn_format > 1.
9450 2000-01-30 Richard Henderson <rth@cygnus.com>
9452 * alpha.md (return_internal): Allow after reload only.
9454 2000-01-30 Richard Henderson <rth@cygnus.com>
9456 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9457 local frame size is zero.
9459 2000-01-30 Richard Henderson <rth@cygnus.com>
9461 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9462 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9463 * alpha.md (return): Turn into an expander.
9464 (return_internal): Don't use $26.
9465 (epilogue): Emit the return insn.
9467 2000-01-30 Richard Henderson <rth@cygnus.com>
9469 * alpha.md (negtf2, abstf2): Fix word order thinko.
9471 (trunctfsf2): Avoid intermediate rounding errors.
9473 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9475 * cppfiles.c (find_position): Drop 'colp' argument, return the
9477 (read_and_prescan): Adjust to match. Don't ever manipulate
9478 line or line_base except via find_position.
9480 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9482 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9483 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9486 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9488 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9489 just print "<command line>". If 'filename' is null or an
9490 empty string, print "<stdin>" for the filename.
9491 * cpplib.c (do_define): Don't print the 'location of the
9492 previous definition' message if we're still parsing the
9494 (cpp_pedwarn_with_file_and_line): Always call
9495 cpp_file_line_for_message.
9497 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9499 * flow.c (mark_regs_live_at_end): Fix typo.
9501 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9503 * c-common.c: Adjust variable names, comments, help strings to c99.
9504 * c-lex.c: Likewise.
9505 * c-parse.y: Likewise.
9506 * c-tree.h: Likewise.
9508 * cpplib.h: Likewise.
9509 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9510 * cppinit.c: Likewise.
9512 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9514 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9515 * c4x.c: Define the optab rtx values.
9516 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9517 (c4x_emit_libcall): Use new optab rtx values.
9518 (c4x_emit_libcall3): Likewise.
9519 (c4x_emit_libcall_mulhi): Likewise.
9520 * c4x-protos.h: Add prototypes for optab rtx values and change
9521 prototypes for above c4x_emit_libcall functions.
9523 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9525 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9527 (c4x_function_prologue): Use regnames intead of float_reg_names when
9529 (c4x_function_epilogue): Likewise.
9530 (c4x_print_operand): Likewise.
9531 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9532 * c4x.md (set_high): Disable for TARGET_TI.
9534 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9536 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9537 of framepointer + constant to ADDR_REGS class.
9538 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9539 * c4x.c (std_or_reg_operand): New function.
9540 * c4x-protos.h (std_or_reg_operand): Prototype it.
9542 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9544 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9545 object names as libgcc2.c.
9546 * libgcc.S: Use newly defined names.
9548 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9549 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9551 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9552 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9553 (FLOW_LOOP_LAST_BLOCK): Likewise.
9555 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9557 * basic-block.h (struct loop): New fields 'first' and 'last'.
9558 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9559 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9560 and loop->last to check for NOTE_INSN_LOOP_END.
9562 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9564 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9565 of the loop descriptor rather than HEADER and LATCH. Also added
9566 missing break statements as well making some coding style modifications
9567 as suggested by Michael Hayes.
9569 2000-01-28 Richard Henderson <rth@cygnus.com>
9571 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9572 Break out that code ...
9573 (cleanup_cfg): ... here.
9574 (commit_one_edge_insertion): Detect a return instruction being
9575 emitted to an edge. Emit a barrier following; clear fallthru.
9576 (commit_edge_insertions): Verify CFG consistency.
9577 * function.c (expand_function_start): Kill unused variable.
9578 (expand_function_end): Likewise.
9579 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9580 to insert the epilogue.
9582 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9583 (delete_null_pointer_checks): Likewise.
9584 * output.h: Likewise.
9585 * reg-stack.c (reg_to_stack): Likewise.
9586 * toplev.c (rest_of_compilation): Likewise. Run
9587 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9589 2000-01-28 Richard Henderson <rth@cygnus.com>
9591 * Makefile.in (flow.o): Revert 24 Jan change.
9592 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9593 FUNCTION_VALUE result to DECL_RESULT's mode.
9595 * haifa-sched.c (schedule_insns): Don't recompute reg info
9598 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9600 * configure.in: Make --enable-cpplib the default.
9601 * configure: Regenerate.
9602 * gcc.dg/990119-1.c: No longer expected to fail.
9604 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9606 * jump.c (jump_optimize_1): Delete an optimization that is also done
9607 by merge_blocks in flow.
9609 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9611 * diagnostic.c (build_message_string, output_printf,
9612 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9613 (build_location_prefix): Fix non-literal format string.
9615 2000-01-27 Richard Henderson <rth@cygnus.com>
9617 * alpha.md (trunctfsf2): New.
9619 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9621 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9623 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9625 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9627 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9629 (skip_comment) ... here. Permit C++ comments in system
9630 headers always. Warn about C++ comments in user code under
9631 -std=gnu89 -pedantic.
9632 (copy_comment): Use skip_comment.
9633 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9635 (consider_directive_while_skipping, do_else, do_endif): Call
9636 validate_else unconditionally.
9637 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9638 text after the conditional in a system header.
9639 * cpplib.h (struct cpp_buffer): Add flag
9640 warned_cplusplus_comments.
9642 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9644 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9645 Use unshare_all_rtl_1.
9646 (unshare_all_rtl_again): New function.
9647 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9649 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9650 rather than resetting the 'used' flags ourself.
9652 * toplev.c (rest_of_compilation): Add current_function_decl
9653 to the unshare_all_rtl call.
9654 * tree.h: Prototype unshare_all_rtl.
9655 * rtl.h: Prototype unshare_all_rtl_again here.
9657 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9659 * genoutput.c (output_prologue): Include ggc.h in generated
9661 * Makefile.in (insn-output.o): Depends on ggc.h.
9663 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9664 Hans-Peter Nilsson <hp@bitrange.com>
9666 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9667 Remove redundant include of xm-ns32k.h.
9668 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9669 Remove redundant include of xm-ns32k.h.
9670 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9671 Remove redundant include of xm-ns32k.h.
9672 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9674 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9675 (TARGET_SWITCHES): Add documentation strings.
9676 (DWARF_FRAME_REGNUM): Override default definition.
9677 (REG_CLASS_CONTENTS): Add comments.
9678 (SUBSET_P): Format to reduce line length.
9679 (SMALL_REGISTER_CLASSES): Make a run time option.
9680 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9681 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9682 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9683 (regclass_map): fix typo in comment.
9684 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9685 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9686 (trace, reg_or_mem_operand): Delete, unused function.
9687 (calc_address_cost): Small offsets are cheaper than large ones.
9688 (expand_block_move): Generate more efficient code when bytes is a
9689 known at compile time.
9690 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9691 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9692 instead of reg_or_mem_operand.
9694 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9695 not general_operand. Similarly use "=rm" or stricter, not "=g".
9696 For input operands, use stricter constraints than "g" if not
9697 general_operand. Similarly use stricter predicate than
9698 "general_operand" when stricter constraints than "g" are present,
9699 except for matching constraints.
9700 (movstrsi): Use "memory_operand" for operands 0 and 1.
9701 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9702 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9703 not reg_or_mem_operand.
9704 (udivmoddisi4): Ditto.
9705 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9706 Use nonimmediate_operand for operand 3, not register_operand.
9707 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9710 2000-01-27 Fred Fish <fnf@be.com>
9712 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9713 * gthr-single.h: Likewise.
9714 * gthr-solaris.h: Likewise.
9715 * gthr-vxworks.h: Likewise.
9716 * gthr-win32.h: Likewise.
9719 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9721 * cppinit.c: Add " (cpplib)" to end of string printed by
9724 2000-01-27 Richard Henderson <rth@cygnus.com>
9726 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9727 testing for a signed comparison.
9728 (alpha_emit_floatuns): New.
9729 * alpha-protos.h: Declare it.
9730 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9731 (extendsfdf2): Tidy.
9733 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9735 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9736 no -g option specifying debugging format, default to -gstabs+.
9738 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9740 * calls.c (special_function_p): New argument fork_or_exec.
9741 (expand_call): When profile_arc_flag is set and the function
9742 is in the fork_or_exec group, call __bb_fork_func first.
9743 * libgcc2.c, _bb module (__bb_fork_func): New function.
9744 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9746 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9747 * tree.h (special_function_p): Update prototype.
9749 2000-01-26 Richard Henderson <rth@cygnus.com>
9751 * alpha.c (alpha_split_tfmode_pair): New.
9752 * alpha-protos.h: Declare it.
9753 * alpha.md (abstf2, negtf2): New.
9754 (movtf insn): Add input G constraint.
9755 (movtf splitter): Use alpha_split_tfmode_pair.
9757 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9759 * i386/cygwin.h: PROTO -> PARAMS.
9761 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9763 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9764 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9765 using _Qp_cmp/_Q_cmp and testing the return value.
9766 (print_operand): Call reverse_condition_maybe_unordered if
9767 we are handling CCFPmode or CCFPEmode.
9768 Handle ORDERED, UN* and LTGT comparisons.
9769 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9770 if not TARGET_HARD_QUAD.
9771 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9772 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9773 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9774 Adjust gen_b* calls so that they reflect return comparison of
9775 sparc_emit_float_lib_cmp.
9777 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9779 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9780 incoming operands array is large enough for one more operand.
9781 (alpha_emit_xfloating_arith): Likewise.
9783 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9785 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9786 file with one line and no trailing newline.
9787 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9788 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9789 checking if the match is on the line.
9790 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9792 2000-01-25 Richard Henderson <rth@cygnus.com>
9794 * sparc.c (output_cbranch): Fix accidental squashing of the
9795 fp branch pre-delay nop.
9797 2000-01-25 Richard Henderson <rth@cygnus.com>
9799 * tree.def (UNNE_EXPR): Remove.
9800 * c-typeck.c (build_binary_op): Don't handle it.
9801 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9803 * rtl.def (UNNE): Remove.
9805 * jump.c (reverse_condition): Update accordingly.
9806 (swap_condition): Likewise.
9807 (comparison_dominates_p): Handle unordered comparisons.
9808 (reverse_condition_maybe_unordered): New.
9809 * rtl.h (reverse_condition_maybe_unordered): Declare.
9811 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9812 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9813 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9814 * sparc.md (bltgt): New.
9816 2000-01-25 Nick Clifton <nickc@redhat.com>
9818 * emit-rtl.c (emit_insn): Only check machine class insns for
9819 improper emission of a RETURN.
9821 2000-01-25 Richard Henderson <rth@cygnus.com>
9823 * Makefile.in (flow.o): Depend on $(EXPR_H).
9824 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9825 duplicate the structure of diddle_return_value for keeping regs live.
9827 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9829 * loop.c (current_loop_info): Delete.
9830 (consec_sets_invariant_p): Add loop argument, update callers.
9831 (get_condition_for_loop): Likewise.
9832 (count_nonfixed_reads, update_giv_derive): Likewise.
9833 (simplify_giv_expr, general_induction_var): Likewise.
9834 (consec_sets_giv, recombine_givs): Likewise.
9835 (move_movables): Delete loop_start and loop_end arguments,
9836 add loop argument, and update callers.
9837 (find_mem_givs, check_final_value): Likewise.
9838 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9839 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9841 (basic_induction_var): Add loop argument, delete loop_level argument,
9843 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9844 add loop argument, and update callers.
9845 (find_splittable_regs, find_splittable_givs): Likewise.
9846 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9847 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9848 (biv_total_increment): Delete loop_start and loop_end arguments;
9850 (precondition_loop_p): Delete loop_start and loop_info arguments;
9852 * loop.h (get_condition_for_loop): Add loop argument.
9853 (biv_total_increment): Delete loop_start and loop_end arguments.
9854 (precondition_loop_p): Delete loop_start and loop_info arguments;
9856 (final_biv_value): Delete loop_start and loop_end arguments;
9858 (final_giv_value, back_branch_in_range_p): Likewise.
9860 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9862 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9864 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9866 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9867 point to the new "generated_files" doc.
9869 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9871 * config/fp-bit.c (_unord_f2): Fix typo.
9873 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9875 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9876 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9877 functions obsoleted by GC, such as push_obstacks_nochange,
9878 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9879 and code which existed only to decide whether or not to call
9880 them. Remove now-unused NESTED argument from start_function;
9881 all callers changed. Do not change behavior based on ggc_p.
9882 The use of the ixp_obstack in c-iterate.c and the util_obstack
9883 in objc/objc-act.c remain; these are not obsoleted by garbage
9885 * c-tree.h: Update prototype for start_function.
9887 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9889 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9891 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9894 2000-01-25 Richard Henderson <rth@cygnus.com>
9896 * sparc-protos.h (select_cc_mode): Declare.
9897 * sparc.c (select_cc_mode): New. Handle unordered compares.
9898 (output_cbranch): Always reverse via code change. Handle
9899 unordered compares. Factor tests and string updates.
9900 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9901 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9902 * sparc.md (bunordered, bordered): New.
9903 (bungt, bunlt, buneq, bunge, bunle): New.
9905 2000-01-25 Richard Henderson <rth@cygnus.com>
9907 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9908 * ggc-common.c (ggc_add_rtx_varray_root): New.
9909 (ggc_mark_rtx_varray): New.
9910 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9911 functions down below ggc_mark_foo.
9912 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9914 2000-01-25 Richard Henderson <rth@cygnus.com>
9916 * alpha.c (secondary_reload_class): Don't allocate a secondary
9917 for integral mode memories into FLOAT_REGS. Rearrange the more
9918 complicated memory expression inward.
9920 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9922 * inclhack.def: Fixes to play nicer with FreeBSD, and
9923 corrections to comments.
9924 (cxx_unready): Add select expression.
9925 (irix_sockaddr): Add bypass expression.
9926 (machine_ansi_h_va_list): New fix.
9927 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9928 Split out addition of "#include <stdarg.h>" to...
9929 (stdio_stdarg_h): ... here.
9930 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9931 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9932 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9934 (ultrix_ifdef): Tighten up select expression.
9936 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9937 re_ct and max_mach to avoid use of shell. Make printed names
9938 match names in inclhack.def. Use static copyright date.
9939 Don't count c_test and test expressions as requiring regex_t
9940 slots. Add some commentary.
9941 * inclhack.tpl: Do not include the 'This script contains N
9942 fixup scripts' line if PROGRAM is defined. Use static
9945 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9947 * dwarf2out.c: include "varray.h", not dyn-string.h.
9948 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9949 (addr_const_to_string, addr_to_string): Lose.
9950 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9951 (struct dw_val_struct): val_addr is now an rtx.
9952 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9953 (used_rtx_varray): New varray.
9954 (dwarf2out_init): Initialize it.
9956 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9958 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9959 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9960 * Makefile.in (dwarf2out.o): Update dependencies.
9962 2000-01-24 Richard Henderson <rth@cygnus.com>
9964 * i386.c (i386_dwarf_output_addr_const): New.
9965 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9967 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9969 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9970 * i386.c (i386_simplify_dwarf_addr): New.
9971 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9973 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9975 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9976 TYPE_STUB_DECL is NULL.
9978 2000-01-24 Richard Henderson <rth@cygnus.com>
9980 * builtins.c (expand_tree_builtin): Move ...
9981 * c-common.c (expand_tree_builtin): ... here.
9983 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9985 * loop.h (LOOP_INFO): New accessor macro.
9986 * basic-block.h (struct loop): Rename field `info' to `aux'.
9987 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9988 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9989 * unroll.c (loop_iterations, unroll_loop): Likewise.
9991 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9993 * config/i386/t-cygwin: Accomodate new winsup directory layout
9994 when searching for include files.
9996 2000-01-24 Richard Henderson <rth@cygnus.com>
9998 * rtl.def: Add unordered fp comparisions.
9999 * tree.def: Likewise.
10000 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10002 * builtins.c (expand_tree_builtin): New function.
10003 * c-typeck.c (build_function_call): Use it.
10004 (build_binary_op): Support unordered compares.
10005 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10007 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10008 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10009 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10010 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10011 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10013 (swap_condition): Handle unordered compares.
10014 (thread_jumps): Check can_reverse before reversing.
10015 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10018 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10019 setcc is present before acking for cmp_optab. Update all callers.
10020 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10021 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10022 * expr.c (expand_expr): Likewise. Support unordered compares.
10023 (do_jump, do_store_flag): Likewise.
10024 * expr.h (enum libfunc_index): Add unordered compares.
10026 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10027 (DPBIT_FUNCS): Add _unord_df.
10028 * config/fp-bit.c (_unord_f2): New.
10029 * fp-test.c (main): Try unordered compare builtins.
10031 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10032 * alpha.c (alpha_comparison_operator): Check mode properly.
10033 (alpha_swapped_comparison_operator): Likewise.
10034 (signed_comparison_operator): Likewise.
10035 (alpha_fp_comparison_operator): New.
10036 (alpha_emit_conditional_branch): Handle unordered compares.
10037 * alpha.h (PREDICATE_CODES): Update.
10038 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10039 (bunordered, bordered): New.
10041 2000-01-24 Richard Henderson <rth@cygnus.com>
10043 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10044 * alpha.md (movtf): New expander, insn, and splitter.
10046 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10048 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10051 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10053 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10054 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10055 REG_ALLOC_ORDER): Add frame pointer
10056 (FRAME_POINTER_REGNUM): Set to 20
10057 (HARD_FRAME_POINTER_REGNUM): New macro.
10058 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10059 to HARD_FRAME_POINTER.
10060 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10061 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10062 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10063 (HI_REGISTER_NAMES): Add "frame".
10064 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10065 (debug_reg): Handle FRAME_POINTER_REGNUM.
10066 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10067 GENERAL_REGS and INDEX_REGS.
10068 * i386.c (SAVED_REGS_FIRST): new macro.
10069 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10070 (ix86_decompose_address, memory_address_length): Likewise.
10071 (regclass_map): Add frame pointer.
10072 (call_insn_operand): Handle frame_pointer_rtx.
10073 (reg_no_sp_operand): Likewise.
10074 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10075 (print_operand, legitimize_pic_address): Fix formating.
10076 (ix86_compute_frame_size): Make static, update prototype, new
10077 parameters padding1, padding2, use ix86_nsaved_regs, use
10078 stack_alignment_needed.
10079 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10080 to HARD_FRAME_POINTER_REGNUM conversions.
10081 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10082 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10083 (print_reg): Abort on FRAME_POINTER_REGNUM
10085 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10087 * i386.h (PREDICATE_CODES): Add aligned_operand.
10088 * i386.c (aligned_operand): New function.
10089 (ix86_aligned_p): Kill.
10090 * i386.md (movhi_1): Emit mov for aligned operands.
10091 (promoting peep2s): Use aligned_operand.
10093 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10095 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10096 expression to allow underscores in macro names.
10097 (fix_char_macro_defines): Increment scanning pointer.
10099 2000-01-23 Richard Henderson <rth@cygnus.com>
10101 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10102 * alpha/osf5.h: New file.
10103 * configure.in (alpha-*-osf5): Add it to tm_file.
10105 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10107 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10108 (alpha_emit_xfloating_cvt, function_arg): Declare.
10109 * alpha.c (alpha_emit_conditional_branch): Call
10110 alpha_emit_xfloating_compare for TFmode compares.
10111 (alpha_lookup_xfloating_lib_func): New.
10112 (alpha_compute_xfloating_mode_arg): New.
10113 (alpha_emit_xfloating_libcall): New.
10114 (alpha_emit_xfloating_arith): New.
10115 (alpha_emit_xfloating_compare): New.
10116 (alpha_emit_xfloating_cvt): New.
10117 (print_operand): Add default abort case.
10118 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10119 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10120 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10121 (RETURN_IN_MEMORY): True for TF/TCmode.
10122 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10123 (FUNCTION_ARG): Move to function_arg.
10124 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10125 (ASM_OUTPUT_LONG_DOUBLE): New.
10126 (ASM_OUTPUT_DOUBLE): Always output bits.
10127 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10128 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10129 (extenddftf2, trunctfdf2): New.
10131 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10133 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10134 * config/sparc/sol2.h: ... here.
10136 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10138 * basic-block.h (struct loops): New field `levels'.
10139 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10140 (flow_loop_level_compute): Initialise level to 1.
10141 (flow_loops_find): Set loops->levels.
10142 (flow_loops_dump): Print loops->levels.
10144 2000-01-23 Richard Henderson <rth@cygnus.com>
10146 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10147 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10149 2000-01-23 Richard Henderson <rth@cygnus.com>
10151 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10152 * i386.h (DBX_REGISTER_NUMBER): Use them.
10153 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10154 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10155 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10156 * i386/sequent.h: Kill incorrect comment.
10158 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10160 * ggc-page.c (struct page_entry): Make `context_depth' an
10162 (struct globals): Likewise.
10164 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10166 * loop.c (check_dbra_loop): When checking a loop for
10167 reversability, check the source of any stores to ensure
10168 they don't depend on an initial value.
10170 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10172 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10174 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10176 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10177 'pz_scan' into scope of entire function. Only affects
10178 compiles with -DDEBUG.
10180 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10182 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10183 section naming to that prior to 2000-01-07 patch.
10184 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10185 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10186 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10187 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10188 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10190 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10192 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10195 2000-01-21 Jim Wilson <wilson@cygnus.com>
10197 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10198 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10200 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10202 * cpphash.c (change_newlines): Delete function.
10203 (struct argdata): Delete 'newlines' and 'use_count' fields.
10204 (macroexpand): Remove code referencing those fields.
10206 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10208 * loop.c (loops_info): New variable.
10209 (loop_optimize): Allocate loops->array and free it on exit.
10210 Allocate memory for loops_info and assign to each loop,
10212 (find_and_verify_loops): Do not allocate loops->array.
10214 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10216 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10218 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10220 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10221 pseudos if expanded after first flow.
10222 (movdi_pic_label_ref): Likewise.
10224 2000-01-20 Richard Henderson <rth@cygnus.com>
10226 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10228 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10230 * Makefile.in (fixinc.sh): Depend on specs.
10231 * fixinc/Makefile.in: Add rule to create machname.h.
10232 (fixlib.o): Depend on machname.h.
10233 * fixinc/fixtests.c (machine_name): New test.
10234 * fixinc/fixfixes.c (machine_name): New fix.
10235 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10236 the machine_name test and fix.
10237 * fixinc/fixlib.h: Prototype it.
10238 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10239 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10241 * gcc.c (do_spec_1) [case P]: Take care not to create
10242 identifiers with three leading or trailing underscores.
10244 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10245 (fixincl): Don't specify libraries twice on link line.
10246 (gnu-regex.o): Remove special rule.
10247 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10248 defined by config.h. Do not define _REGEX_RE_COMP.
10249 (regcomp): Allocate and initialize a fastmap.
10250 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10252 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10254 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10256 2000-01-19 Richard Henderson <rth@cygnus.com>
10258 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10259 arguments with BB. Update all callers. Tidy line wrapping.
10261 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10263 * emit-rtl.c (try_split): Return last_insn if we split the
10266 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10268 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10269 (ix86_initial_elimination_offset): Declare.
10270 * i386.c (ix86_nsaved_regs): Break out from ...
10271 (ix86_can_use_return_insn_p): ... here.
10272 (ix86_emit_save_regs): Break out from ...
10273 (ix86_expand_prologue): ... here.
10274 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10276 (ix86_expand_epilogue): ... here.
10277 (ix86_compute_frame_size): Make static, add prototype.
10278 (ix86_initial_elimination_offset): Break out from ...
10279 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10281 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10283 * recog.h (OUT_FCN): Delete.
10285 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10287 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10289 * cppalloc.c: PROTO -> PARAMS.
10290 * cpperror.c: Likewise.
10291 * cppfiles.c: Likewise.
10292 * cpplib.c: Likewise.
10293 * cpplib.h: Likewise.
10295 * config/arm/arm-protos.h: PROTO -> PARAMS.
10296 * config/arm/arm.c: Likewise.
10297 * config/c4x/c4x.c: Likewise.
10298 * config/fr30/fr30-protos.h: Likewise.
10299 * config/nextstep.c: Likewise.
10300 * config/pa/pa.c: Likewise.
10301 * config/pj/pj.c: Likewise.
10302 * config/rs6000/rs6000.c: Likewise.
10303 * config/v850/v850-protos.h: Likewise.
10304 * config/v850/v850.c: Likewise.
10306 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10308 * i370-protos.h: New file.
10310 * i370.c: Include tm_p.h. Fix compile time warnings.
10312 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10315 * i370.md: Likewise.
10317 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10319 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10320 (target_isinf, target_isnan, eisnan): Mark parameter with
10322 (eiisinf): Wrap in INFINITY.
10323 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10324 (ibmtoe): Remove unused variable `rndsav'.
10326 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10328 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10329 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10331 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10333 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10334 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10335 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10337 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10338 Recognize Emacs mode markers also.
10339 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10340 C++ comments in C++ headers. Call is_cxx_header only if
10343 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10344 bypass for ncurses.
10345 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10346 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10347 ... these, which use the new C fixes.
10348 (math_exception): Escape literal '+' in bypass expression.
10350 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10353 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10355 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10358 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10360 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10361 prior to calling scan_loop.
10363 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10365 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10366 (split_branches, calc_live_regs): Likewise.
10368 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10370 * sh.md (fpu_single, fp_mode): New attributes.
10372 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10374 * loop.c (current_loop_info): Renamed from loop_info_data
10375 and changed to a pointer.
10376 (loop_optimize): Allocate loop_info structure for each loop
10377 and initialise to zero.
10378 (scan_loop): Set current_loop_info.
10380 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10383 2000-01-19 Richard Henderson <rth@cygnus.com>
10385 * stupid.c: Die die die.
10386 * Makefile.in (OBJS): Remove stupid.o.
10387 (stupid.o): Likewise.
10389 * except.c (emit_eh_context): Don't emit USEs for stupid.
10390 * explow.c (probe_stack_range): Likewise.
10391 * flags.h (obey_regdecls): Remove.
10392 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10393 when not optimizing.
10394 (life_analysis): Limit data collection when not optimizing.
10395 (mark_regs_live_at_end): Always mark the return value registers.
10396 (mark_used_regs): Remove dummy RETURN case.
10397 (print_rtl_with_bb): Don't consult obey_regdecls.
10398 * function.c (use_variable, use_variable_after): Remove.
10399 (assign_parms): Consult optimize not obey_regdecls.
10400 (expand_function_start): Don't emit USEs for stupid.
10401 (expand_function_end): Likewise.
10402 * global.c (build_insn_chain): Export.
10403 * integrate.c (expand_inline_function): Kill return-value USE
10405 * jump.c (jump_optimize_1): Do simple jump optimizations and
10406 dead code elimination.
10407 (calculate_can_reach_end): Remove check_deleted argument.
10408 (delete_insn): Patch out insns even when not optimizing.
10409 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10410 * rtl.h (use_variable, use_variable_after): Remove declarations.
10411 (build_insn_chain): Declare.
10412 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10413 (expand_end_bindings): Likewise.
10414 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10415 * toplev.c (obey_regdecls): Remove.
10416 (rest_of_compilation): Don't set it. Kill stupid in favour of
10417 flow1, local-alloc, and reload.
10418 (main): Don't set obey_regdecls.
10420 * config/nextstep.c (handle_pragma): Likewise.
10422 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10424 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10426 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10428 * alpha-protos.h: PROTO -> PARAMS.
10429 * alpha.c: Likewise.
10431 * h8300.c: Likewise.
10432 * i386-protos.h: Likewise.
10433 * i386.c: Likewise.
10434 * m32r-protos.h: Likewise.
10435 * m32r.c: Likewise.
10436 * mips.c: Likewise.
10437 * mips.md: Likewise.
10438 * gmon-sol2.c: Likewise.
10439 * sparc.c: Likewise.
10441 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10443 * ns32k-protos.h: New file.
10445 * ns32k.c: Fix compile time warnings.
10447 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10450 * ns32k.md: Likewise.
10452 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10454 * vax-protos.h: New file.
10456 * vax.c: Fix compile time warnings.
10458 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10461 * vax.md: Likewise.
10463 * vaxv.md: Likewise.
10465 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10467 * romp-protos.h: New file.
10469 * romp.c: Fix compile time warnings.
10471 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10474 * romp.md: Likewise.
10476 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10478 * we32k-protos.h: New file.
10480 * we32k.c: Fix compile time warnings.
10482 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10485 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10487 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10489 * except.c (eh_regs): Likewise.
10491 * final.c (output_operand): Likewise.
10493 * fold-const.c (target_isinf, target_isnan): Likewise.
10495 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10497 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10498 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10500 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10501 when optimize_size.
10502 (clrstrsi): Rewrite.
10503 (strsethi, strsetqi): New expanders.
10504 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10505 (cmpstrsi): Emit compare insn before cmpstrsi_1
10506 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10507 (strlensi_1): Likewise.
10508 (cmpstrsi_1): Likewise; do not output compare.
10509 (strlen expander): Do not unroll when optimizing for size.
10510 (*subsi3_carry): Rename to subsi3_carry
10511 (addqi3_cc): New pattern.
10512 * i386.h (processor_costs): Add move_ratio field.
10513 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10514 * i386.c (*_cost): Set move_ratio.
10515 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10516 (x86_expand_strlensi_1): Rewrite the main loop.
10518 2000-01-17 Richard Henderson <rth@cygnus.com>
10520 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10521 * cse.c (find_comparison_args, fold_rtx): Likewise.
10522 * integrate.c (subst_constants): Likewise.
10523 * loop.c (get_condition): Likewise.
10525 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10527 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10529 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10531 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10532 (RESTORE_WARN_FLAGS): Unpack it.
10533 Change semantic type of extension to ttype.
10534 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10535 * c-parse.y, c-parse.c, objc/objc-parse.y,
10536 objc/objc-parse.c: Regenerate.
10538 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10540 * fixinc/fixlib.c: Add copyright notice.
10541 (compile_re): New function.
10542 * fixinc/fixlib.h: Prototype compile_re.
10544 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10545 Use compile_re to compile regular expressions.
10547 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10548 where the pattern matched.
10550 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10552 (ultrix_ansi_compat): Likewise.
10553 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10555 (interactv_add2, interactv_add3): Delete.
10556 (x11_sprintf): Don't use filename glob.
10557 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10560 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10562 * print-rtl.c: PROTO -> PARAMS.
10563 * real.c: Likewise.
10564 * reg-stack.c: Likewise.
10565 * resource.c: Likewise.
10566 * sdbout.h: Likewise.
10567 * simplify-rtx.c: Likewise.
10568 * stor-layout.c: Likewise.
10569 * stupid.c: Likewise.
10570 * xcoffout.c: Likewise.
10571 * xcoffout.h: Likewise.
10573 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10575 * toplev.c: PROTO -> PARAMS.
10576 * toplev.h: Likewise.
10577 * tree.c: Likewise.
10578 * tree.h: Likewise.
10579 * unroll.c: Likewise.
10580 * varasm.c: Likewise.
10581 * varray.c: Likewise.
10582 * varray.h: Likewise.
10584 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10586 * reload.c: PROTO -> PARAMS.
10587 * reload.h: Likewise.
10588 * reload1.c: Likewise.
10589 * reorg.c: Likewise.
10590 * resource.h: Likewise.
10593 * rtlanal.c: Likewise.
10594 * sbitmap.h: Likewise.
10595 * sdbout.c: Likewise.
10596 * stack.h: Likewise.
10597 * stmt.c: Likewise.
10598 * system.h: Likewise.
10600 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10602 * machmode.h: PROTO -> PARAMS.
10603 * mbchar.h: Likewise.
10604 * mips-tdump.c: Likewise.
10605 * mips-tfile.c: Likewise.
10606 * optabs.c: Likewise.
10607 * output.h: Likewise.
10608 * prefix.c: Likewise.
10609 * profile.c: Likewise.
10610 * protoize.c: Likewise.
10611 * real.h: Likewise.
10612 * recog.c: Likewise.
10613 * recog.h: Likewise.
10614 * regclass.c: Likewise.
10615 * regmove.c: Likewise.
10616 * regs.h: Likewise.
10618 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10620 * ggc-common.c: PROTO -> PARAMS.
10621 * ggc-page.c: Likewise.
10622 * ggc-simple.c: Likewise.
10624 * global.c: Likewise.
10625 * graph.c: Likewise.
10626 * gthr-win32.h: Likewise.
10627 * haifa-sched.c: Likewise.
10628 * halfpic.h: Likewise.
10629 * integrate.c: Likewise.
10630 * integrate.h: Likewise.
10631 * jump.c: Likewise.
10633 * local-alloc.c: Likewise.
10634 * loop.c: Likewise.
10635 * loop.h: Likewise.
10637 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10639 * genattr.c: PROTO -> PARAMS.
10640 * genattrtab.c: Likewise.
10641 * gencheck.c: Likewise.
10642 * gencodes.c: Likewise.
10643 * genconfig.c: Likewise.
10644 * genemit.c: Likewise.
10645 * genextract.c: Likewise.
10646 * genflags.c: Likewise.
10647 * gengenrtl.c: Likewise.
10648 * genopinit.c: Likewise.
10649 * genoutput.c: Likewise.
10650 * genpeep.c: Likewise.
10651 * genrecog.c: Likewise.
10653 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10655 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10657 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10659 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10660 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10661 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10662 * configure, config.in: Rebuilt.
10664 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10666 * config/i386/i386.md: Add peephole to merge successive stack
10669 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10671 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10672 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10673 when walking backwards to find all the parameter loads when
10674 the basic block ends in a call.
10676 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10678 * loop.c (this_loop_info): Delete.
10679 (uid_loop): Add in place of uid_loop_num. All uses updated.
10680 (loop_number_exit_count): Delete and replace with entry in loop
10681 structure. All uses updated.
10682 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10683 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10684 (loop_outer_loop): Likewise.
10685 (loop_invalid, loop_number_exit_labels): Likewise.
10686 (loop_used_count_register): Delete and replace with entry in
10687 loop_info structure.
10688 (find_and_verify_loops): Add loops argument.
10689 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10690 loop_end, etc. arguments with loop structure pointer. All callers
10692 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10693 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10694 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10695 (insert_bct): Likewise.
10696 (basic_induction_var): New argument level.
10697 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10698 vtop, and cont. Add used_count_register.
10699 (uid_loop): Delete declaration.
10700 (loop_number_exit_count): Likewise.
10701 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10702 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10703 (loop_outer_loop, loop_used_count_register): Likewise.
10704 (loop_invalid, loop_number_exit_labels): Likewise.
10705 (unroll_loop): Replace loop_start and loop_end arguments
10706 with loop structure pointer.
10707 (loop_precondition_p, loop_iterations): Likewise.
10708 Include basic-block.h.
10709 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10710 with loop structure pointer.
10711 (loop_precondition_p, loop_iterations): Likewise.
10712 * basic-block.h (struct loop): New entries vtop, cont,
10713 cont_dominator, start, end, top, scan_start, exit_labels,
10715 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10717 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10719 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10721 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10723 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10725 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10727 * pdp11-protos.h: New file.
10729 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10732 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10735 * pdp11.md: Likewise.
10737 * 2bsd.h: Likewise.
10739 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10741 * mn10300-protos.h: New file.
10743 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10746 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10749 * mn10300.md: Likewise.
10751 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10753 * mn10200-protos.h: New file.
10755 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10758 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10761 * mn10200.md: Likewise.
10763 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10765 * h8300-protos.h: New file.
10767 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10770 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10773 * h8300.md: Likewise.
10775 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10777 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10778 (asm_emit_uninitialised): Likewise.
10780 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10782 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10783 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10785 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10787 * config/mips/mips.c (override_options): Don't turn on extra
10788 alignment for mips16.
10790 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10792 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10793 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10796 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10798 * builtins.c (PAD_VARARGS_DOWN): Define.
10799 (std_expand_builtin_va_arg): Use the above macro.
10800 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10801 * tm.texi (Register Arguments): Document the above macro.
10803 2000-01-14 Nick Clifton <nickc@cygnus.com>
10805 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10806 that this function has not been used to emit a jump
10809 * jump.c (return_jump_1): Cope with being passed a null rtx.
10811 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10813 * eh-common.h: PROTO -> PARAMS.
10814 * emit-rtl.c: Likewise.
10815 * errors.c: Likewise.
10816 * errors.h: Likewise.
10817 * except.c: Likewise.
10818 * except.h: Likewise.
10819 * explow.c: Likewise.
10820 * expmed.c: Likewise.
10821 * expr.c: Likewise.
10822 * expr.h: Likewise.
10823 * final.c: Likewise.
10824 * fix-header.c: Likewise.
10825 * flow.c: Likewise.
10826 * fold-const.c: Likewise.
10827 * function.c: Likewise.
10828 * function.h: Likewise.
10830 * gcov-io.h: Likewise.
10831 * gcov.c: Likewise.
10832 * gcse.c: Likewise.
10834 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10836 * sh-protos.h: New file.
10838 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10839 Add static prototypes. Fix compile time warnings.
10841 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10845 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10847 * arc-protos.h: New file.
10849 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10852 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10855 * arc.md: Likewise.
10857 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10859 * dsp16xx-protos.h: New file.
10861 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10864 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10867 * dsp16xx.md: Likewise.
10869 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10871 * convex-protos.h: New file.
10873 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10876 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10879 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10881 * elxsi-protos.h: New file.
10883 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10886 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10889 * elxsi.md: Likewise.
10891 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10893 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10894 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10895 match the comment for MIPS16.
10897 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10899 * flow.c (split_edge): Do not call set_block_for_insn if we
10900 do not have a basic_block_for_insn structure.
10902 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10903 and destination functions are 32bit aligned within the trampoline.
10904 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10905 (TRAMPOLINE_ALIGNMENT): Define.
10907 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10908 (set (pc) (label_ref)), verify the change creates a valid insn.
10910 * fr30.c (call_operand): Tighten and rework to match rules for
10911 call RTL expressions.
10912 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10913 * fr30.md (call patterns): Improve constraints.
10915 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10917 * fr30.c (fr30_expand_epilogue): Revert last change.
10918 Use emit_jump_insn for the return insn.
10920 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10921 Stan Cox <scox@cygnus.com>
10923 * predict.c: New file. Preliminary infrastructure work for static
10924 branch prediction and basic block reordering.
10925 * basic-block.h: Add prototype for estimate_probability.
10926 * Makefile.in: Add rules for predict.o.
10928 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10930 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10931 * fixinc/*: Likewise.
10933 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10935 * cccp.c: PROTO -> PARAMS.
10936 * cexp.y: Likewise.
10937 * collect2.c: Likewise.
10938 * combine.c: Likewise.
10939 * convert.h: Likewise.
10941 * dbxout.c: Likewise.
10942 * dbxout.h: Likewise.
10943 * diagnostic.c: Likewise.
10944 * doprint.c: Likewise.
10945 * dwarf2out.c: Likewise.
10946 * dwarf2out.h: Likewise.
10947 * dwarfout.c: Likewise.
10948 * dwarfout.h: Likewise.
10949 * dyn-string.h: Likewise.
10951 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10953 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10954 macro conditionals guarding use.
10956 * dwarf2out.c: Include "tm_p.h".
10958 * function.c (locate_and_pad_parm): Mark parameter with
10960 (expand_function_end): Likewise for variable `context'.
10962 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10964 2000-01-13 Nick Clifton <nickc@cygnus.com>
10966 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10967 register to prevent compile time warnings.
10969 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10971 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10972 to avoid -Wtraditional warning.
10974 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10976 * 1750a-protos.h: New file.
10978 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10981 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10984 * 1750a.md: Likewise.
10986 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10988 * a29k-protos.h: New file.
10990 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10993 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10996 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10998 * clipper-protos.h: New file.
11000 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11003 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11006 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11008 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11010 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11012 * configure.in (--enable-new-gxx-abi): New option.
11013 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11014 * Makefile.in (GXX_ABI_FLAG): New variable.
11015 * configure: Regenerate.
11017 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11019 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11020 * tm.texi (FORCE_STRUCT_BLK): Document.
11021 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11023 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11025 * config/ns32k/ns32k.md: Revert Jan 9 change.
11027 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11028 to a mode-test, if the predicate is address_operand.
11030 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11032 * combine.c (if_then_else_cond): Be careful about what kinds
11033 of RTL expressions are passed to operand_subword.
11035 * flow.c (split_edge): If we have to insert a new jump, make
11036 sure to associate it with a basic block.
11038 * flow.c (commit_one_edge_insertion): A block with one successor
11039 can end in a JUMP_INSN that is not a simplejump.
11041 2000-01-12 Robert Lipe <robertl@sco.com>
11043 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11044 (BUILD_VA_LIST_TYPE): Define.
11045 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11048 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11050 * cccp.c (do_pragma): Add cast to (char *).
11052 2000-01-12 Richard Henderson <rth@cygnus.com>
11053 Fred Fish <fnf@be.com>
11054 Jason Merrill <jason@cygnus.com>
11056 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11057 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11058 * i386/beos-elf.h, i386/beos-pe.h: New files.
11060 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11061 * cross-make (SYSTEM_HEADER_DIR): Define using
11062 CROSS_SYSTEM_HEADER_DIR.
11064 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11065 (process_command): Use it.
11066 (main): Likewise. Kill trailing = from env vars.
11067 (build_search_list): Put it back.
11068 * collect2.c (main): Use LIBRARY_PATH_ENV.
11070 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11071 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11073 * tm.texi (Frame Layout): Document SMALL_STACK.
11074 * c-common.c (c_common_nodes_and_builtins): Check it.
11076 * system.h: Undef alloca after including glibc's <stdlib.h>,
11077 if USE_C_ALLOCA is defined.
11079 * gcc.c (set_input): New fn.
11080 (main): After all input files are compiled, reset the input file
11083 * aclocal.m4 (rindex, index): If already defined, don't attempt
11086 * ginclude/varargs.h: (__va_list__): Define ifndef.
11087 * ginclude/stdarg.h: Likewise.
11089 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11090 instead of unsigned char.
11092 * hash.h (true, false, boolean): Undef before enum.
11094 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11095 proper type of "HOST_WIDE_INT *", rather than their natural type of
11096 "unsigned HOST_WIDE_INT *".
11098 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11100 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11102 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11104 * regclass.c (choose_hard_reg_mode): Likewise.
11106 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11108 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11110 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11112 * c-common.c: PROTO -> PARAMS.
11113 * c-common.h: Likewise.
11114 * c-decl.c: Likewise.
11115 * c-iterate.c: Likewise.
11116 * c-lang.c: Likewise.
11117 * c-lex.c: Likewise.
11118 * c-lex.h: Likewise.
11119 * c-parse.in: Likewise.
11120 * c-pragma.c: Likewise.
11121 * c-pragma.h: Likewise.
11122 * c-tree.h: Likewise.
11123 * c-typeck.c: Likewise.
11124 * objc/objc-act.c: Likewise.
11125 * objc/objc-act.h: Likewise.
11127 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11129 * m88k-protos.h: New file.
11131 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11134 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11136 * m88k.md: Likewise.
11138 * tekXD88.h: Likewise.
11140 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11142 * m68k-protos.h: New file.
11144 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11147 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11149 * mot3300.h: Likewise.
11151 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11153 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11155 (extract_bitlist): Declare bitlen.
11157 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11159 * cccp.c: Accept and ignore -lang-fortran.
11161 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11162 qualifiers don't match at any level of pointerness.
11164 2000-01-12 Robert Lipe <robertl@sco.com>
11166 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11168 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11170 * reload1.c (reload_reg_unavailable): New static variable.
11171 (reload_reg_free_p): Test it.
11172 (reload_reg_free_for_value_p): Test it instead of
11174 (choose_reload_regs_init): Compute it.
11176 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11178 * reorg.c (fill_slots_from_thread): Check modified_in_p
11181 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11183 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11184 these nodes even if INTERNALS is not set.
11186 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11188 * gcse.c (delete_null_pointer_checks_1): Cope when
11189 get_condition cannot determine the condition.
11191 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11193 * toplev.h (set_message_length): Declare.
11195 * diagnostic.c (obstack_chunk_alloc): Define macro.
11196 (obstack_chunk_free): Likewise.
11197 (struct output_buffer): New data structure.
11198 (vmessage): Remove.
11199 (output_maximum_width): New variable.
11200 (doing_line_wrapping, set_message_length, init_output_buffer,
11201 get_output_prefix, output_space_left, emit_output_prefix,
11202 output_newline, output_append, output_puts, dump_output,
11203 vbuild_message_string, build_message_string, build_location_prefix,
11204 voutput_notice, output_printf, line_wrapper_printf,
11205 vline_wrapper_message_with_location): New functions. Implement
11206 automatic line wrapping.
11207 (v_message_with_decl): Make it handle automatic line wrapping.
11208 (v_error_with_file_and_line): Likewise.
11209 (v_warning_with_file_and_line): Likewise.
11210 (announce_function): Likewise.
11211 (default_print_error_function): Likewise.
11213 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11215 * cpplib.h (struct cpp_options): Change lang_asm to char.
11217 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11218 done in cpp_handle_option now.
11219 (initialize_builtins): Take out special case code used only by
11221 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11222 if -traditional. Recognize -lang-fortran and set
11223 lang_fortran, also turn off cplusplus_comments.
11224 (print_help): Document -lang-fortran.
11225 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11226 lang_asm. Ignore all directives other than `# 123 "file"' if
11228 (cpp_get_token): If -traditional, don't recognize directives
11229 unless the # is in column 1.
11230 (parse_string): If lang_fortran or lang_asm, silently
11231 terminate strings ('' or "") at end of line.
11232 Remove unnecessary braces.
11234 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11235 Richard Henderson <rth@cygnus.com>
11237 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11239 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11240 strict_low_part when possible.
11242 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11244 * alias.c: PROTO -> PARAMS.
11245 * basic-block.h: Likewise.
11246 * bitmap.c: Likewise.
11247 * bitmap.h: Likewise.
11248 * builtins.c: Likewise.
11249 * c-aux-info.c: Likewise.
11250 * caller-save.c: Likewise.
11251 * calls.c: Likewise.
11253 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11255 * Makefile.in (toplev.o): Depend on regs.h.
11257 * output.h (tdesc_section): Prototype.
11259 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11261 * sdbout.c: Include "tm_p.h".
11263 * toplev.c: Include "regs.h".
11265 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11267 * unroll.c (unroll_loop): Add EH support.
11269 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11271 * pa-protos.h: New file.
11273 * pa.c: Include recog.h and tm_p.h.
11274 (compute_zdepwi_operands, compute_movstrsi_length,
11275 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11276 find_addr_reg, import_milli): Add static prototypes.
11277 (pa_cpu_string, pa_arch_string): Constify a char*.
11278 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11279 (read_only_operand): Add argument `mode'.
11280 (singlemove_string, output_move_double, output_fp_move_double,
11281 output_block_move, output_and, output_ior, output_ascii,
11282 remove_useless_addtr_insns, milli_names, output_mul_insn,
11283 output_div_insn, output_mod_insn, output_arg_descriptor,
11284 output_cbranch, output_bb, output_bvb, output_dbra, ,
11285 output_millicode_call, output_call, hppa_encode_label,
11286 output_parallel_movb, output_parallel_addb): Constify a char*.
11287 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11288 (output_parallel_addb): Remove extra arg to `constrain_operands'
11290 * pa.h: Move all prototypes to pa-protos.h.
11291 (pa_cpu_string, pa_arch_string): Constify a char*.
11292 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11294 * pa.md: Call `function_label_operand' with mode argument.
11295 Likewise for `read_only_operand'.
11296 Fix nesting of parens in call to `symbolic_operand'.
11298 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11300 * i860-protos.h: New file.
11302 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11305 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11307 * i860.md: Likewise.
11309 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11311 * i386.md (movstrsi expander): Rewrite.
11312 (movstrsi_1 insn): Deleted.
11313 (strmovhi, strmovqi expander): New expanders.
11314 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11315 * i386.c (x86_single_stringop): New global variable.
11316 * i386.h (x86_single_stringop): Declare.
11317 (TARGET_SINGLE_STRINGOP): New macro.
11319 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11321 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11322 integer vararg POSTINCREMENT before the destination of the jump
11323 for the hard fp case.
11324 (function_arg_pass_by_reference): Pass a copy of CUM to
11327 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11328 for CONSTANT_ADDRESS_P above while loop for subreg.
11330 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11332 * flow.c (propagate_block): When a prologue/epilogue insn
11333 is marked dead, unconditionally clear libcall_is_dead and
11334 insn_is_dead, and only dump rtl if warnings aren't being
11337 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11339 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11340 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11341 (FIXED_REGISTERS): Set dirflag as fixed.
11342 (CALL_USED_REGISTERS): Set dirflag as used.
11343 (REG_ALLOC_ORDER): Set dirflag as last one.
11344 (DIRFLAG_REG): New macro.
11345 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11346 (HI_REGISTER_NAMES): Add dirflag.
11347 (DEBUF_PRINT_REG): Handle dirflag.
11348 * i386.md (type attribute): New cld and str types.
11349 (length_opcode attribute): Set cld and str to 1.
11350 (memory attribute): Set str to unknown - it is not clear from the
11352 (pent_np function unit): Prefixed string operations takes 12 cycles
11353 minimally; cld takes 2 cycles.
11354 (ppro_uops attribute): Str is "many" and cld is "few".
11355 (ppro_p0 unit): Handle cld here.
11356 (k6_alux unit): Handle cld and str types.
11357 (k6_load unit): It is ocupied by str opcodes.
11358 (k6_store unit): It is ocupied by str opcodes.
11359 (athlon_decode): Str is vector decoded.
11360 (athlon_ieu): Handle str and cld.
11361 (cld pattern): New.
11362 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11363 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11364 cmpstrsi_nz_1 insn): Do not output cld instruction
11366 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11368 * gcc.texi (G++ and GCC): Add Java and Chill.
11369 (Bug Critera): Don't list languages.
11371 * gcc.texi (Incompatibilities): No longer claim most C compilers
11374 * gcc.texi (G++ and GCC): Update other front-ends list.
11376 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11378 * i386.c (ix86_expand_setcc): Fix typo.
11379 (ix86_expand_movcc): Similarly.
11381 * Band-aid until haifa's bitset implementation is nuked.
11382 * haifa-sched.c (extract_bitlst): New parameter for size of the
11383 bitset in bits. All callers changed. Avoid looking at undefined
11384 bits in the bitset.
11385 (edgeset_bitsize): New variable.
11386 (schedule_region): Initialize edgeset_bitsize.
11388 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11390 * Makefile.in (optabs.o): Depend on real.h
11391 (resource.o): Depend on insn-attr.h
11393 * builtins.c (result_vector): Wrap prototype in macro conditions
11394 governing definition and use.
11396 * c-common.c: Include tm_p.h.
11398 * c-lex.c: Likewise.
11400 * elfos.h: Constify a char*.
11402 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11403 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11404 parameter with ATTRIBUTE_UNUSED.
11406 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11409 * haifa-sched.c (schedule_insns): Mark parameter with
11412 * optabs.c: Include real.h.
11414 * real.h (ereal_atof): Add prototype arguments.
11416 * resource.c: Include insn-attr.h.
11418 * sdbout.c (sdbout_queue_anonymous_type,
11419 sdbout_dequeue_anonymous_types): Wrap in macro
11420 SDB_ALLOW_FORWARD_REFERENCES.
11421 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11424 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11426 * stupid.c: Include tm_p.h.
11428 * tree.c (real_value_from_int_cst): Mark parameter with
11431 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11433 * i960-protos.h: New file.
11435 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11438 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11440 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11442 * combine.c (expand_field_assignment): Do not discard SUBREGs
11443 while computing nonzero_bits.
11445 2000-01-09 Nick Clifton <nickc@cygnus.com>
11447 * config/arm/arm.c: Fix compile time warnings about signed vs
11448 unsigned constants.
11449 * config/arm/arm.h: Fix compile time warnings about signed vs
11450 unsigned constants.
11452 2000-01-09 Philip Blundell <philb@gnu.org>
11454 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11455 than `ldm' with only one register.
11456 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11459 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11462 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11464 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11467 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11469 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11470 assignment used as truth value.
11472 * function.c (assign_temp): Mark parameter `dont_promote' with
11473 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11474 PROMOTE_FOR_CALL_ONLY.
11476 * genrecog.c (write_subroutine): Mark variable `operands' with
11479 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11482 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11483 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11485 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11488 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11490 * config/c4x.h: Tidy up comments.
11491 * config/c4x.c: Likewise.
11493 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11495 * fold-const.c (lshift_double, rshift_double): Handle
11496 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11498 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11500 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11501 in prepare_function_start().
11503 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11505 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11506 longer allocate extra stack for function calls.
11508 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11510 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11512 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11514 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11516 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11518 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11519 * aix43.h: Revert Aug 2 change.
11520 (HAS_INIT_SECTION): Define, not visible yet.
11521 (LD_INIT_SWITCH): Define, not visible yet.
11522 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11524 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11526 * collect2.c (main): Expand ld2 size further.
11527 (export_object_lst): Cast assignment to avoid warning.
11528 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11529 (scan_prog_file, COFF): Do not collect initialization or
11530 finalization functions generated for entire shared object if
11531 init/fini support present.
11533 2000-01-07 Nick Clifton <nickc@cygnus.com>
11535 * config/elfos.h: Tidy up formatting of marcos. Make sure
11536 that .section directives are always prefixed by a tab.
11538 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11541 2000-01-07 Matt Austern <austern@sgi.com>
11543 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11546 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11548 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11550 (crtbegin.o, s-crtS): Likewise.
11552 2000-01-06 Richard Henderson <rth@cygnus.com>
11554 * alpha.md (adddi_2+1): Limit offset such that it will be
11555 loadable with a single ldah+lda pair.
11556 (adddi_2+2): Explicitly fail split if we can't make it work.
11558 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11560 * protoize.c: Conditionally include unistd.h.
11561 (IS_SAME_PATH_CHAR): New macro.
11562 (IS_SAME_PATH): New macro.
11563 (CPLUS_FILE_SUFFIX): New macro.
11564 (cplus_suffix): New static variable.
11565 (is_abspath): New static function.
11566 (in_system_include_dir): Handle DOS style pathnames.
11567 (file_could_be_converted): Likewise.
11568 (file_normally_convertible): Likewise.
11569 (directory_specified_p): Likewise.
11570 (file_excluded_p): Likewise.
11571 (abspath): Likewise.
11572 (shortpath): Likewise.
11573 (referenced_file_is_newer): Likewise.
11574 (save_def_or_dec): Likewise.
11575 (do_processing): Likewise.
11577 (edit_file): Likewise. Use rename instead of link.
11578 (rename_c_file): Likewise. Don't rename syscalls file.
11579 (munge_compile_params): Define null device for DOS based systems.
11580 (process_aux_info_file): Use binary mode if appliable.
11581 (edit_file): Likewise.
11582 * invoke.texi (Running Protoize): Document C++ suffixes used.
11584 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11585 IS_DIR_SEPARATOR macros.
11586 * collect2.c: Likewise.
11587 * cppinit.c: Likewise.
11588 * dwarf2out.c: Likewise.
11590 * gcov.c: Likewise.
11591 * prefix.c: Likewise.
11593 * toplev.c: Likewise.
11594 * system.h: And move to here.
11596 * prefix.c (update_path): Fix typo in variable name.
11598 2000-01-06 Richard Henderson <rth@cygnus.com>
11600 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11601 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11602 (count_reg_sets_1, count_reg_references): Likewise.
11603 (flow_loops_level_compute): Start counting actual loop depth at 1.
11604 (flow_loops_find): Likewise.
11605 * local-alloc.c (update_equiv_regs): Likewise.
11606 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11608 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11610 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11611 FIRST_PSEUDO_REGISTER
11612 * dwarf2out.c: Don't include frame.h
11613 * dwarfout.c: Likewise
11614 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11617 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11619 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11622 * i386.c (movsf splitter): Fix typo in my last checkin.
11624 2000-01-05 Nick Clifton <nickc@cygnus.com>
11626 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11627 own definition of this macro.
11628 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11629 flag_data_sections or UNIQUE_SECTION_P are true.
11631 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11632 unitialised data decls.
11634 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11635 being called for uninitialised data.
11637 * config/i386/interix.c (i386_pe_unique_section): Cope with
11638 being called for uninitialised data.
11640 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11641 for uninitialised data.
11643 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11644 for uninitialised data.
11646 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11647 for uninitialised data.
11649 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11650 (UNIQUE_SECTION_P): Always generate a unique section if
11651 flag_data_sections is true.
11652 (UNIQUE_SECTION): Also generate unique sections for
11653 uninitialised data.
11654 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11655 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11658 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11660 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11663 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11665 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11666 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11667 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11668 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11669 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11671 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11673 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11675 * c-decl.c (finish_enum): Simplify code to determine minimum and
11676 maximum values of the enum, and calculate the type. Remove check
11677 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11678 the DECL_INITIAL of each enumeration constant with a copy converted
11679 to the enumeration type. When updating variant types, don't bother
11680 updating the type itself.
11682 * c-typeck.c (build_binary_op): Simplify conditional expressions
11683 when weeding out spurious signed-unsigned warnings. Add new
11684 spurious warning category: if the unsigned quantity is an enum
11685 and its maximum value fits in signed_type(result_type). Update
11687 (build_conditional_expr): Warn here if one alternative is signed
11688 and the other is unsigned.
11690 2000-01-05 Nick Clifton <nickc@cygnus.com>
11692 * config/fr30/fr30.h: Remove extraneous comments.
11694 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11696 * reload1.c (choose_reload_regs): When disabling a reload, also
11697 set reload_spill_index to -1.
11699 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11701 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11703 (m68*-*-rtemself*): New target.
11704 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11705 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11706 (sparc*-*-rtemself*): New target.
11707 (sparc*-*-rtems*): Now elf not a.out.
11708 * config/i386/rtems.h: Include config/rtems.h.
11709 * config/i386/rtemself.h: Include config/rtems.h.
11710 * config/i960/rtems.h: Include config/rtems.h.
11711 * config/m68k/rtems.h: Include config/rtems.h.
11712 * config/m68k/rtemself.h: Include config/rtems.h.
11713 * config/mips/rtems64.h: Include config/rtems.h.
11714 * config/pa/rtems.h: Include config/rtems.h.
11715 * config/rs6000/rtems.h: Include config/rtems.h.
11716 * config/sh/rtems.h: Include config/rtems.h.
11717 * config/sh/rtemself.h: Include config/rtems.h.
11718 * config/sparc/rtems.h: Include config/rtems.h.
11719 * config/sparc/rtemself.h: Include config/rtems.h
11721 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11723 * final.c (shorten_branches): Correctly compute length of
11724 asms without operands.
11726 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11728 * configure.in: Add pj target.
11729 * configure: Regenerate.
11730 * config/pj: New directory.
11731 * config/pj/lib1funcs.S: New file.
11732 * config/pj/linux.h: New file.
11733 * config/pj/pj.c: New file.
11734 * config/pj/pj.md: New file.
11735 * config/pj/pjl.h: New file.
11736 * config/pj/t-pj: New file.
11737 * config/pj/xm-pj.h: New file
11739 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11741 * toplev.c (rest_of_compilation): Run shorten-branches before
11744 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11746 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11747 macros so that they're consistent with their names.
11748 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11749 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11751 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11753 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11754 modified inadvertently.
11756 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11758 * configure.in (v850*-*-rtems*): New target.
11759 * configure: Regenerate.
11760 * config/v850/rtems.h: New file.
11762 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11764 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11765 (__gthread_key_create): Likewise.
11766 (__gthread_key_dtor): Likewise.
11767 (__gthread_once): Fix logic.
11768 (__gthread_key_delete): Cast away constness.
11770 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11771 * invoke.texi: Document.
11772 * i386/mingw32.h (CPP_SPEC): Use.
11773 (LIBGCC_SPEC): Likewise.
11774 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11776 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11778 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11779 (HANDLE_PRAGMA_PACK): Undefine.
11780 (SLOW_UNALIGNED_ACCESS): Define.
11782 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11784 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11785 to default definition.
11786 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11787 (store_fixed_bit_field): Call macro with word_mode and alignment.
11788 (extract_bit_field): Call macro with relevant mode and alignment.
11789 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11790 to default definition.
11791 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11793 (move_by_pieces_ninsns): Likewise.
11794 (clear_by_pieces): Likewise.
11795 (emit_push_insn): Likewise.
11796 (store_field): Call macro with relevant mode and alignment.
11797 (expand_expr): Likewise.
11798 (expand_expr_unaligned): Likewise.
11800 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11801 (SLOW_UNALIGNED_ACCESS): Define.
11802 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11803 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11804 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11805 (toc_section): Likewise and .toc pseudo-op.
11806 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11808 (TEXT_SECTION_ASM_OP): Likewise.
11809 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11812 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11813 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11814 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11815 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11816 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11818 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11820 * regclass.c: Revert my Jan 4 change to loop cost computation.
11822 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11824 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11827 2000-01-04 Stan Cox <scox@cygnus.com>
11829 * haifa-sched.c (build_control_flow): Change unreachable simple
11830 loop test to check if current block has only one predecessor.
11831 (find_rgns): Initialize degree. Use dest as degree index, not src.
11833 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11835 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11837 * calls.c (expand_call): Likewise for
11838 `old_stack_arg_under_construction'.
11840 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11842 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11845 * gcc.c (execute): Likewise for `ut' and `st'.
11847 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11849 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11851 * jump.c (jump_optimize_1): Likewise for `temp2'.
11853 * local-alloc.c (block_alloc): Likewise for `r1'.
11855 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11857 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11858 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11860 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11863 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11864 and `goal_earlyclobber'.
11866 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11868 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11870 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11872 * unroll.c (copy_loop_body): Likewise for `copy'.
11874 * varasm.c (output_constructor): Likewise for `byte'.
11876 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11878 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11879 all FP constants for constant->reg moves.
11880 (ix86_split_to_parts): Try to convert memory address into immediate
11881 when available in the constant pool.
11882 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11884 (LEGITIMATE_CONSTANT_P): Return 1.
11885 * i386.md (pushsf): New splitter to convert constant pool memory
11886 reference to immediate.
11887 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11890 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11892 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11893 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11894 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11895 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11896 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11898 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11900 * ginclude/stdbool.h: Support compilation as C++.
11902 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11904 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11906 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11908 * regclass.c (regclass): Properly compute loop_cost. Adjust
11911 * regclass.c: Fix minor whitespace problems.
11913 2000-01-03 Anthony Green <green@cygnus.com>
11915 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11916 Restore the pic register if required.
11918 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11920 * c-common.c (format_char_info): Update comment.
11921 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11922 was recognized. Emit warning for formats new in ISO C99 only
11923 if flag_isoc9x is not set.
11925 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11927 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11929 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11931 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11932 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11933 (make_compound_operation): Choose cheaper alternative between
11934 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11936 * regclass.c (op_costs): Remove global variable.
11937 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11938 (record_operand_costs): Break out from ...
11939 (scan_one_insn): ... here.
11940 (dump_regclass): Make dumps nicer.
11941 (regclass): Dump preferrences choosed and changes done during passes.
11943 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11945 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11947 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11949 * config/sparc/sparc.c (gen_df_reg): New function.
11950 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11951 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11952 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11953 movtf_cc_reg_sp64+1): Use it.
11955 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11957 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11958 copied LABEL_DECLs.
11960 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11962 * config/i386/i386.c (ix86_expand_unary_operator): Function
11963 definition made void.
11964 (ix86_expand_binary_operator): Update outdated preceding comment.
11965 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11968 * config/i386/i386.c (override_options): Fix option-name typo.
11970 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11972 * system.h (CEIL): Define.
11973 * builtins.c (CEIL): Remove.
11974 * expmed.c (CEIL): Likewise.
11975 * expr.c (CEIL): Likewise.
11976 * stor-layout.c (CEIL): Likewise.
11978 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11980 * expr.c (store_constructor_field): Fix typo introduced with last
11983 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11985 * tree.h (BINFO_N_BASETYPES): New macro.
11987 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11989 * expmed.c (emit_store_flag): Prevent losing a pending stack
11990 adjust the same way we prevent losing queued increments.
11992 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11994 * function.c (update_temp_slot_address): Handle case where sum of
11995 temporary address plus offset in register is a valid address.
11997 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11999 * genrecog.c (change_state) Corrected typo.
12001 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12003 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12004 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12005 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12007 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12009 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12010 case, expand GT comparisons correctly. Fix a comment before this
12013 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12015 * dwarfout.c: Include "frame.h"
12016 * dwarf2out.c: Likewise.
12017 * Makefile.in (dwarfout.o): Depend on frame.h
12018 (dwarf2out.o): Likewise.
12020 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12022 Restore i386 binary compatibility in Dwarf EH info.
12023 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12024 value of FIRST_PSEUDO_REGISTER.
12025 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12026 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12027 * dwarfout.c (output_reg_number): Ditto.
12028 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12029 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12031 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12033 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12034 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12035 (<hack>_RE_CT): not needed
12036 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12037 rewritten to scan the file text once only
12038 "template<..." test added
12039 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12040 (is_cxx_header): declaration added
12041 * fixinc/fixtests.c(is_cxx_header): removed
12042 (apply_fix_p_t): removed
12043 (double_slash_test): is_cxx_header is only called once now
12044 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12045 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12046 within the templates.
12047 The borken spelling of "broken" was fixed.
12048 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12049 The default level depends on FIXINC_DEBUG.
12051 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12053 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12054 Otherwise provide a declaration for atexit.
12055 (init_dummy): Make sure dummy call to atexit is nevertheless
12056 called with correct number of args.
12058 * frame.c: Update comments referring to other files.
12060 * libgcc2.c: Likewise.
12062 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12064 * cse.c (free_element, get_element): Remove unused prototypes.
12066 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12069 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12072 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12074 * configure.in,configure: case arm for mn10200-*-* now sets
12075 float_format=i32 so that float.h will correctly claim "double"
12076 to be 32 bits. Ran autoconf to generate configure from .in file.
12078 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12080 * pa.md (conditional zero): If op1 is a register, force it into
12081 the same register as op0.
12083 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12085 * tree.h (BINFO_BASETYPES): Improve documentation.
12087 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12089 * configure.in (--enable-checking): Use a more portable `for'
12092 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12094 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12095 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12097 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12100 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12101 Delete descriptions.
12103 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12104 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12105 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12106 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12107 xm-svr4.h: Remove all instances of sys_siglist handling.
12109 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12111 * config/sparc/sparc.md (cmp_zero_qi,
12112 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12113 cmp_zero_extendqidi2_andcc_set): New patterns.
12115 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12117 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12118 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12119 (fpgnulib.c, xfgnulib.c): Add rules.
12120 * m68k/t-mot3300-gas: Likewise.
12122 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12124 * configure.in: Avoid [[ by using test and changequote. Add
12125 changequote required by 1999-12-14 change.
12126 * configure: Rebuild.
12128 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12130 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12132 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12134 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12135 * flow.c (find_use_as_address): Likewise.
12136 * function.c (fixup_var_refs_1): Likewise.
12137 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12138 * jump.c (invert_exp, redirect_exp): Likewise.
12139 * loop.c (replace_call_address): Likewise.
12140 (count_nonfixed_reads): Likewise.
12141 * rtlanal.c (modified_between_p): Likewise.
12142 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12143 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12144 * unroll.c (remap_split_bivs): Likewise.
12146 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12148 * diagnostic.c (v_message_with_decl): Use .* format specifier
12149 instead of building the format specifier width manually.
12151 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12152 determining whether to provide a prototype. Remove the
12153 sys_siglist clause in the conditional.
12155 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12157 * fold-const.c (operand_equal_p): Use memcmp to compare string
12159 Suggested by D. J. Bernstein
12161 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12163 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12164 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12166 * config/mips/mips.h (TARGET_64BIT): Likewise.
12167 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12168 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12169 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12170 dsps. Give routines proper names if SI/DI modes are not used.
12171 * longlong.h: Use DWunion instead of DIunion.
12173 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12175 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12176 GC_CHECKING, GC_ALWAYS_COLLECT.
12177 * configure.in: Allow --enable-checking with an argument
12178 listing check modes to enable.
12179 * config.in, configure: Rebuilt.
12180 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12181 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12182 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12183 ENABLE_GC_ALWAYS_COLLECT.
12184 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12186 * tree.h, tree.c: Change ENABLE_CHECKING to
12187 ENABLE_TREE_CHECKING throughout.
12189 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12191 * fold-const.c (fold_truthop): Properly check for FP RHS.
12193 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12195 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12196 * toplev.c (note_deferral_of_defined_inline_function): New
12197 function, split out from ...
12198 (rest_of_compilation): ... here. Use it.
12200 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12202 * expr.c (store_constructor): Don't call clear_storage if size is
12205 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12207 * Makefile.in (toplev.o): Depend on loop.h.
12209 * dwarfout.c: Include tm_p.h.
12211 * emit-rtl.c (restore_emit_status): Mark parameter with
12214 * final.c (final_scan_insn): Likewise.
12216 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12217 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12218 flow_depth_first_order_compute, flow_loop_pre_header_find,
12219 flow_loop_tree_node_add, flow_loops_tree_build,
12220 flow_loop_level_compute, flow_loops_level_compute,
12221 flow_loop_outside_edge_p): Add prototypes.
12222 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12224 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12225 Mark with ATTRIBUTE_NORETURN.
12227 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12229 * local-alloc.c (no_conflict_p): Likewise.
12231 * loop.c (insert_bct): Hide definitions of variables with hidden
12233 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12235 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12236 with ATTRIBUTE_UNUSED.
12237 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12238 (reg_scan): Likewise.
12240 * reload.c (find_reloads): Remove unused variables `changed'.
12242 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12244 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12245 Remove unused variable `insn'.
12247 * toplev.c: Include loop.h.
12248 (report_file_and_line): Remove unnecessary prototype.
12250 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12252 * unroll.c (biv_total_increment): Likewise.
12254 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12256 * reload1.c (emit_input_reload_insns): Restore old behaviour
12257 wrt. 'special' reloads.
12259 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12261 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12262 hash.h. (cse.c): Don't depend on hashtab.h.
12264 * cse.c: Don't include hashtab.h.
12265 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12267 * ggc-simple.c: Don't include hash.h.
12269 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12271 * dwarf2out.c (add_abstract_origin_attribute): Call
12272 gen_abstract_function on our function context.
12274 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12276 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12278 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12280 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12283 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12285 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12286 constraints to "a!r".
12288 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12290 * Makefile.in (calls.o): Depend on function.h.
12291 (alias.o): Likewise.
12293 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12295 * reload1.c (emit_reload_insns): Break out code and variables into...
12296 (input_reload_insns, other_input_address_reload_insns,
12297 other_input_reload_insns, input_address_reload_insns,
12298 inpaddr_address_reload_insns, output_reload_insns,
12299 output_address_reload_insns, outaddr_address_reload_insns,
12300 operand_reload_insns, other_operand_reload_insns,
12301 other_output_reload_insns): ... new static variables, and...
12302 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12303 do_output_reload): ... new functions.
12305 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12307 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12309 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12311 * md.texi: Add c4x constraints documentation.
12313 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12315 * config/i386/dgux.c (struct option): Rename to
12316 lang_independent_option.
12317 (struct m_options): Add description field.
12318 (output_options): Rename option type, add sep declaration, output
12319 ix86_cpu_string and ix86_arch_string only if set.
12320 (output_file_start): Rename option type.
12322 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12324 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12326 (libgcc2.a): Similarly.
12328 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12330 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12331 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12332 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12334 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12336 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12337 Remove redundant initialization of "frexpon" and "expon".
12339 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12341 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12343 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12344 (store_constructor_field, expand_expr): Pass new arg.
12346 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12348 * Makefile.in (explow.o): Depend on function.h.
12350 * stor-layout.c (set_sizetype): Fix typo.
12352 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12354 * function.c (cfun): Renamed from current_function. All users
12356 * function.h (cfun): Rename declaration as well.
12358 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12359 to be of type regset_head, not regset. All users changed by adding
12361 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12363 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12365 * config/c4x/rtems.h: New file.
12367 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12369 * reload1.c (spill_failure): Take class of failed reload as argument
12370 and print it. Caller changed.
12372 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12374 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12375 (TARGET_SWITCHES): Allow subtargets to default switches.
12376 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12378 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12380 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12383 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12385 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12386 * cppinit.c (cpp_handle_option): Likewise.
12388 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12389 determine when to define.
12391 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12393 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12394 cmove with mismatched test and data modes.
12396 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12398 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12401 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12403 * alias.c: Minor reformatting.
12404 * flow.c: Likewise.
12405 * regs.h: Likewise.
12406 * stor-layout.c: Likewise.
12407 * fold-const.c: Likewise.
12408 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12409 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12411 (size_int_wide): Cache nodes even if garbage collecting.
12412 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12413 of SAVE_EXPR has no side effects.
12414 * cse.c: Move a comment.
12415 * tree.c: Minor reformatting.
12416 (int_size_in_bytes): Return -1 if constant overflows.
12418 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12420 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12422 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12424 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12425 after any change to c-parse.in, even if objc-parse.y didn't
12428 1999-12-18 David S. Miller <davem@redhat.com>
12430 * toplev.c (rest_of_compilation): Restore BLOCK tree
12431 reconstruction and branch shortening changes lost in
12432 December 18th change.
12434 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12436 * config/arm/linux-elf.h: Change all instances of
12437 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12438 * config/arm/uclinux-elf.h: Likewise.
12440 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12442 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12443 v_message_with_decl, file_and_line_for_asm,
12444 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12445 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12446 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12447 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12448 pfatal_with_name, fatal_io_error, need_error_newline,
12449 last_error_function, last_error_tick, announce_function,
12450 default_print_error_function, print_error_function,
12451 report_error_function, fnotice, error_with_file_and_line,
12452 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12453 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12454 warning_with_decl, warning_for_asm, warning, pedwarn,
12455 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12457 (compile_file): Use fnotice instead of notice. Adjust call.
12459 * diagnostic.c: New file.
12461 * Makefile.in (OBJS): Include diagnostic.o
12462 (diagnostic.o): Define dependence.
12464 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12466 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12469 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12471 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12473 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12475 * fixtests.c (is_cxx_header): New fn, split out of
12477 (else_endif_label): Allow "#endif // comment" in C++ headers,
12478 as determined by is_cxx_header.
12479 * fixfixes.c (else_endif_label_fix): Update comment.
12480 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12482 * genfixes: Correct double thinko in commandline parsing.
12483 * hackshell.tpl: Generate correct sh syntax for bypass
12486 * inclhack.def (all): Whenever an inserted preprocessor
12487 conditional is split over multiple lines, use double
12488 backslashes in this file so the fixed header will be readable.
12490 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12491 and add bypass entry for correct version of this header.
12492 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12493 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12495 (hpux8_bogus_inlines): New fix, split from...
12496 (ultrix_atof_param) ... here.
12497 (math_expression): Add bypass entry keyed to glibc comment
12498 indicating the problem has been dealt with; disable
12499 unnecessary sed operations; update commentary.
12500 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12501 add select and bypass entries, simplify shell operation.
12502 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12504 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12505 ultrix_atof_param): Add select entry.
12506 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12507 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12508 comments with the fixes they describe.
12510 * c-parse.in (string action): Do not warn about ANSI string
12511 concatenation in system headers. Affects C parser only.
12512 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12514 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12516 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12517 compiling libgcc2 the macro depends always on arch cpp defines.
12519 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12521 * loop.c (insert_loop_mem): Don't record MEMs from inside
12524 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12526 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12528 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12529 notes too, create one when replacement failed, attempt to simplify
12531 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12532 or REG_EQUIV notes.
12534 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12536 * crtstuff.c (__dso_handle): Declare.
12537 (__cxa_finalize): Likewise.
12538 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12541 * invoke.texi: Document -fuse-cxa-atexit.
12543 * tree.h (ptr_type_node): Document.
12544 (const_ptr_type_node): Likewise.
12546 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12548 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12549 (optimize_reg_copy_2): Likewise.
12550 (optimize_reg_copy_3): Likewise.
12551 (fixup_match_2): Likewise.
12552 (regmove_optimize): Likewise.
12553 (fixup_match_1): Liekwise.
12555 * i386.md (HI to SImode promoting splitters): Rewrite.
12556 (pushsf mem peep2): New.
12557 (testhi to andhi peep2): Remove.
12558 * i386.h (x86_promote_QImode): New.
12559 (TARGET_PROMOTE_QImode): New.
12560 (PREDICATE_CODES): Add promotable_binary_operator.
12561 * i386.c (x86_promote_QImode0: New.
12562 (promotable_binary_operator): New.
12563 * i386-protos.h (promotable_binary_operator): New.
12565 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12567 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12569 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12571 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12572 * function.c (insert_block_after_note): Remove.
12573 (retrofit_block): Likewise.
12574 (identify_blocks): Fix indentation.
12575 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12576 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12577 * function.h (insert_block_after_note): Remove prototype.
12578 (retrofit_block): Likewise.
12579 * integrate.c (expand_inline_function): Don't call
12580 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12581 just expand_start_bindings. Use the block_map to remap old
12582 NOTE_BLOCKs to new ones.
12583 (integrate_decl_tree): Keep track of remapped blocks.
12584 * integrate.h (struct inline_remap): Add block_map.
12585 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12586 NOTE_BLOCK on the notes.
12587 (expand_start_bindings): Rename to ...
12588 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12589 (expand_end_bindings): Set NOTE_BLOCK.
12590 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12591 reconstruct the BLOCK tree.
12592 * tree.h (expand_start_bindings): Macroize. Call ...
12593 (expand_start_bindings_and_block): New function.
12595 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12597 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12598 to match the format.
12600 1999-12-16 David S. Miller <davem@redhat.com>
12602 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12603 the outputs is a SUBREG.
12604 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12607 * config/sparc/sparc.c (epilogue_renumber): Add default case
12610 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12612 * toplev.c (rest_of_compilation): Run branch shortening after
12615 * regclass.c (loop_depth): Remove
12616 (scan_one_insn): Do not handle LOOP_NOTE insns.
12617 (regclass): Go through basic blocks and set loop_cost
12619 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12621 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12623 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12625 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12626 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12627 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12629 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12631 * loop.c (insert_loop_mem): Ignore memory clobbers.
12633 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12636 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12638 * profile.c: Remove redundant #include "output.h".
12640 * h8300.md (HImode preinc peephole): Fix typo.
12642 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12644 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12645 (insert_block_after_note): Abort if we don't have a previous block.
12646 Remove FN parameter.
12647 * function.h: Adjust.
12649 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12651 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12652 argument more than once.
12654 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12656 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12658 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12660 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12662 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12664 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12665 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12666 update stack_alignment_needed.
12667 (prepare_function_start): Initialize stack_alignment_needed
12668 * function.h (struct function): Add field stack_alignment_needed.
12670 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12672 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12673 Handle live_throughout / dead_or_set instead of live_before /
12675 (save_call_clobbered_regs): Get register livenessinformation from
12676 chain->live_throughout.
12677 (add_stored_regs): New function.
12678 (insert_restore, insert_save): Add restored / saved registers to
12680 * global.c (reg_dies): New parameter chain.
12681 (reg_becomes_live): Third parameter is regs_set now.
12682 Changed all callers.
12683 (reg_dies): New parameter chain. Changed all callers.
12684 (build_insn_chain): Set live_throughout instead of
12685 live_before / live_after.
12686 * reload.h (struct insn_chain): Replace members live_before /
12687 live_after with live_throughout / dead_or_set.
12688 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12689 instead of live_before / live_after.
12690 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12691 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12692 (choose_reload_regs_init): Likewise.
12693 * stupid.c (current_chain, find_clobbered_regs): Delete.
12694 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12695 instead of chain->live_before / chain->live_after.
12696 (mark_hard_ref): New function.
12697 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12699 1999-12-15 David S. Miller <davem@redhat.com>
12701 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12703 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12705 * flow.c (calculate_loop_depth): Make global, remove prototype,
12706 rewrite to use new loop infrastructure.
12707 (find_basic_block): Remove calculate_loop_depth call.
12708 * toplev.c (rest_of_compilation): Call find_basic_block.
12709 * output.h (calculate_loop_depth): Declare.
12711 * flow.c (dump_flow_info): Dump loop_depth.
12712 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12714 (flow_loops_find): Initialize the loop_depth for each basic block.
12716 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12718 * tree.c (decl_function_context): Handle virtual functions.
12720 * tlink.c (scan_linker_output): Don't look in demangled name when
12721 looking for linker output keywords.
12723 * dwarfout.c (output_type): We can defer namespace-scope classes.
12725 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12727 * regclass.c (record_reg_classes): Update comment for merging
12728 register class preferences in reg->reg copies. Tighten conditions
12729 for merging register class preferences in reg->reg copies.
12731 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12733 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12735 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12737 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12738 (INIT_SECTION_ASM_OP): Delete.
12739 (FINI_SECTION_ASM_OP): Delete.
12740 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12742 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12744 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12745 the abstract origin wasn't emitted.
12747 * dwarf2out.c (class_scope_p): New fn.
12748 (gen_subprogram_die): Use it.
12749 (gen_variable_die): Use it. Tweak logic.
12750 (gen_struct_or_union_type_die): Check context_die to determine
12751 if we're function-local.
12752 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12754 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12756 * loop.c (check_dbra_loop): Can't reverse a biv that has
12757 maybe_multiple set.
12759 1999-12-14 Nick Clifton <nickc@cygnus.com>
12761 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12764 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12766 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12767 for givs made from biv increments.
12769 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12771 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12772 * alpha.c (override_options): Recognize -mcpu=ev67.
12773 * alpha.h (CPP_CPU_EV67_SPEC): New.
12774 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12775 (EXTRA_SPECS): Update.
12777 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12779 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12780 appropriate for -lang-c89 and -std=*.
12781 * cppinit.c (cpp_handle_option): Likewise.
12782 (new_pending_define): New, split out from cpp_handle_option.
12783 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12784 or enable trigraphs for -ansi/-std=*.
12786 * ginclude/stdarg.h (__va_copy): New.
12787 (va_copy): Don't define for C89.
12789 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12791 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12792 for long long multiply-accumulate.
12794 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12796 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12797 optimizing for size.
12799 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12801 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12802 if something changed. Back out that part of yesterday's changes.
12804 * loop.c (loop_max_reg): New static variable.
12805 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12807 (scan_loop): Call reg_scan_update whenever we may have added new
12808 registers, and update loop_max_reg.
12810 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12812 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12813 when source does not die.
12815 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12817 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12819 * config/sparc/linux64.h (TARGET_LIVE_G0,
12820 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12822 * config/sparc/linux.h (TARGET_LIVE_G0,
12823 TARGET_BROKEN_SAVERESTORE): Likewise.
12824 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12825 TARGET_BROKEN_SAVERESTORE): Likewise.
12827 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12828 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12830 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12831 as sparc64 block profiling register.
12832 * config/sparc/sparc.c (sparc_override_options): Allow block
12833 profiling with -m32.
12834 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12835 profiling register.
12836 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12837 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12838 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12840 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12842 * config/sparc/sparc.h: Likewise.
12843 * config/sparc/xm-sysv4-64.h: Likewise.
12844 * config/float-sparc.h: Likewise.
12845 * glimits.h: Likewise.
12846 * longlong.h: Likewise.
12848 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12849 (ASM_IDENTIFY_GCC): Remove.
12851 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12853 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12854 (simplify_logical): Likewise.
12856 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12858 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12859 * cppfiles.c (INO_T_EQ): Likewise.
12861 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12863 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12864 * i386/mingw32.h (LIB_SPEC): Likewise.
12865 (STARTFILE_SPEC): Likewise.
12866 * i386/uwin.h (LIB_SPEC): Likewise.
12867 (STARTFILE_SPEC): Likewise.
12869 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12870 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12872 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12874 * combine.c (combine_simplify_rtx): Fix order of checks for
12875 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12877 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12879 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12880 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12882 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12884 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12886 * regclass.c (inv_reg_alloc_order): New array.
12887 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12889 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12890 counted_for_groups, counted_for_nongroups. Add fields rld and
12892 * reload.c (push_secondary_reload): Don't set nongroup field of
12894 (push_reload): Likewise.
12895 (find_reloads): Delete code to compute nongroup fields.
12896 * reload1.c (reload_insn_firstobj): New static variable.
12897 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12899 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12900 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12901 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12903 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12905 (struct hard_reg_n_uses): Deleted.
12906 (potential_reload_regs): Deleted.
12907 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12908 (reload): Don't try to allocate reload registers if we already know
12909 we have to make another pass. Call select_reload_regs. Free memory
12910 starting with reload_firstobj when starting another pass.
12911 Don't allocate spilled_pseudos.
12912 (calculate_needs_all_insns): Call copy_reloads for an insn that
12913 needs reloads; don't call calculate_needs.
12914 (spill_cost): New static array.
12915 (used_spill_regs_local): New static variable.
12916 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12917 to compute potential_reload_regs.
12918 (find_reload_regs): Completely rewritten to use find_reg.
12919 (allocate_reload_reg): Don't test counted_for_groups or
12920 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12921 all cllers changed.
12922 (choose_reload_regs): Add fallback code that uses the existing
12923 register allocation from find_reload_regs.
12925 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12927 * flow.c (create_edge_list): Cast xmalloc return value.
12929 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12931 * doprnt.c: Remove incorrect comment closure.
12933 * cse.c: Fix a few minor whitespace goofs.
12935 1999-12-13 Don Bowman <don@pixstream.com>
12937 * mips/vxworks.h: Fix problem with comment termination.
12938 (EXTRA_SECTIONS): Add in_sbss.
12939 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12941 1999-12-12 David S. Miller <davem@redhat.com>
12943 * cse.c (struct cse_reg_info): Add hash_next member,
12944 reorder rest of struct for better packing on 64-bit
12946 (cse_reg_info_tree): Kill.
12947 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12948 REGHASH_FN): New custom pow2 hash mechanism.
12950 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12951 use a pow2 hash table.
12952 (get_cse_reg_info): Rework to use new REGHASH.
12953 (new_basic_block): Likewise, use HASH_SIZE, and inline
12955 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12956 and inline free_element call.
12957 (lookup_as_function, insert, flush_hash_table, invalidate,
12958 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12959 invalidate_for_call, use_related_value, find_comparison_args,
12960 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12961 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12962 get_element): Kill.
12964 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12966 * cse.c (cse_basic_block): Free qty_table consistently.
12968 1999-12-12 David S. Miller <davem@redhat.com>
12969 Jakub Jelinek <jakub@redhat.com>
12971 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12972 SUBREGs by hand, gen the appropriate hard reg directly.
12973 (movtf reg/mem split): Likewise and alter_subreg on destination
12975 (movtf mem/reg split): Similarly.
12976 (movdf_cc_sp64): Rename from hidden pattern.
12977 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12978 (movtf_cc_sp64, following split): New pattern and splitter.
12979 (movdf_cc_reg_sp64): Rename from hidden pattern.
12980 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12982 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12984 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12986 * loop.c (load_mems): Don't hoist written floating point mem
12989 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12991 * except.h (struct eh_queue): Add `next' pointer.
12992 (struct eh_status): Make x_ehqueue a pointer.
12993 (push_ehqueue): Declare.
12994 (pop_ehqueue): Likewise.
12995 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12997 (expand_fixup_region_end): Likewise.
12998 (expand_leftover_cleanups): Likewise.
12999 (push_ehqueue): Define.
13000 (pop_ehqueue): Likewise.
13001 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13002 than doing it inline.
13003 (expand_start_all_catch): Adjust now that ehqueue is a
13005 (mark_eh_queue): Mark all level of the queue.
13006 (mark_eh_status): Adjust now that ehqueue is a
13008 (init_eh_for_function): Allocate ehqueue.
13009 (free_eh_status): Free it.
13010 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13011 expansion for a fixup.
13013 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13015 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13017 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13018 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13019 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13020 function_ptr, getpagesize, __enable_execute_stack,
13021 __enable_execute_stack, __clear_insn_cache,
13022 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13023 _cleanup, _exit, __default_terminate, __terminate_func,
13024 __terminate, __empty, __throw, new_eh_context,
13025 eh_context_initialize, eh_context_static, eh_context_specific,
13026 get_eh_context, __get_eh_context, __get_eh_info,
13027 init_reg_size_table, eh_threads_initialize,
13028 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13029 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13030 __pure_virtual): Add prototype arguments.
13031 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13032 Cast a signed value to unsigned long when comparing against one.
13033 (new_eh_context): Wrap in _GTHREADS macro.
13034 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13036 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13037 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13039 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13041 * combine.c (record_promoted_value): Remove unused variable
13044 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13046 * global.c (record_conflicts): Likewise for `j'.
13048 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13051 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13053 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13054 output_fp_compare): Constify a char*.
13056 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13058 (override_options, ix86_comp_type_attributes, print_operand,
13059 output_387_binary_op, output_fix_trunc, output_fp_compare):
13061 (ix86_sched_reorder): Mark parameter `clock_var' with
13064 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13066 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13068 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13069 operand, for use in the Java front-end.
13071 1999-12-10 Ben Collins <bcollins@debian.org>
13073 * configure.in: Fix typo for "-64" in 64bit as check.
13074 * configure: Rebuilt.
13076 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13078 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13081 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13083 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13084 concatenation is utilized.
13086 * invoke.texi (-Wtraditional): Document it.
13088 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13090 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13091 Cast a ptrdiff_t to long and pass it to printf with %ld.
13093 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13095 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13096 68881, we have no 68881 registers at all.
13097 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13098 value in a 68881 register if it is available.
13100 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13102 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13103 for long long multiply-accumulate.
13105 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13107 * loop.c (insert_loop_mem): Undo last change.
13109 1999-12-10 David S. Miller <davem@redhat.com>
13111 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13113 * config/sparc/sparc-protos.h: Add them.
13114 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13115 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13116 constraints which use those helpers.
13117 (EXTRA_CONSTRAINT): Use this new macro.
13118 * md.texi: Update sparc target constraints documentation.
13119 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13120 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13121 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13122 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13123 (movsf high/lo_sum split): Rework for new patterns.
13124 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13126 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13128 * c-common.c (c_common_nodes_and_builtins):
13129 Create __builtin_ptrdiff_t and __builtin_size_t.
13131 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13133 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13135 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13137 * regclass.c (globalize_reg): Re-instate test that allows
13138 fixed registers to be declared as a variable even after functions
13141 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13143 * i386.md (cpu attribute): Add "athlon".
13144 (athlon_decode): New attribute.
13145 (Athlon scheduling units definitions): New.
13146 (fcmp and shld patterns): Set athlon_decode to "vector".
13147 * i386.c (athlon_cost): New.
13149 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13150 x86_use_sahf): Set for Athlon.
13151 (x86_use_fiop): Unset for Athlon.
13152 (override_options): Define Athlon alignments and "athlon" name.
13153 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13154 * i386.h (TARGET_ATHLON): New.
13155 (enum processor_type): Add PROCESSOR_ATHLON.
13156 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13158 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13160 1999-12-09 Andreas Jaeger <aj@suse.de>
13162 * loop.c (record_biv): Declare parameter as int.
13164 * config/i386/i386-protos.h: Declare long_memory_operand.
13166 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13168 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13169 EXPR_WITH_FILE_LOCATION.
13171 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13173 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13176 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13178 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13181 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13183 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13184 default on linux64 again.
13185 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13186 models for multilibing.
13187 * genmultilib: Accept | as alternative separator within a set in
13190 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13192 * calls.c (precompute_arguments): Make sure initial_value contains
13193 value pseudo which CSE expects.
13194 * cse.c (struct set): New entry orig_src.
13195 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13198 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13200 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13202 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13204 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13206 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13208 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13209 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13211 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13214 * longlong.h: Merge in changes from glibc.
13215 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13216 -mno-app-regs libgcc can be compiled.
13217 * libgcc2.c: Add defines so that the updated longlong.h
13218 can be used in libgcc2.a. Also, make sure on most architectures
13219 (at least on all which have optimized code in longlong.h defined
13220 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13222 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13224 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13225 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13226 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13228 * configure: Rebuilt.
13230 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13232 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13233 outputs require a register.
13235 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13237 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13238 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13239 functions like dptoul will be resolved.
13240 (libgcc2.a): Make sure that the object files from DPBIT are named
13241 differently (prefix `_dp') from those that would be coming from
13244 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13246 * configure.in: When target is sparc* and tm_file contains 64,
13247 test for 64bit support in assembler. If not supported, remove
13248 sparc/t-sol2-64 from target-dependent Makefile fragments.
13249 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13250 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13251 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13252 * acconfig.h (AS_SPARC64_FLAG): Added.
13253 * configure, config.in: Rebuilt.
13254 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13255 support. Use AS_SPARC64_FLAG.
13257 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13259 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13260 suitable for holding OFmode values so that gcc works with complex
13262 (hard_64bit_mode_classes): Likewise.
13264 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13265 so that it is actually matched.
13266 (sethi_di_medlow): Likewise.
13268 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13269 as legitimate constant if -mvis.
13270 * config/sparc/sparc.md (movtf): Likewise.
13271 (clear_sf): Use const_double_operand.
13272 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13274 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13275 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13276 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13277 routines, _Qp_* cannot be handled like that now.
13278 (INIT_TARGET_OPTABS): Likewise.
13279 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13280 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13281 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13282 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13283 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13284 divtf3, sqrttf3): New expanders.
13285 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13286 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13287 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13290 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13291 * configure: Rebuilt.
13292 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13293 -mcpu is given and we're doing 64bit compiles.
13295 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13297 * loop.h (struct induction): Add multi_insn_incr.
13298 * loop.c (basic_induction_var): New multi_insn_incr argument.
13299 Set it if we search back through previous insns for the biv.
13300 (record_biv): New multi_insn_incr argument; fill in struct induction.
13301 (strength_reduce): Discard an iv with multiple bivs, any of
13302 which require multiple insns to increment.
13304 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13306 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13309 1999-12-06 David S. Miller <davem@redhat.com>
13311 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13312 PROMOTE_FUNCTION_RETURN.
13314 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13316 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13317 and handle REG_UNUSED note on insn.
13319 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13320 inner_mask instead of mask.
13322 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13324 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13325 zero if there was an error.
13327 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13329 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13332 * longlong.h: Fix clobbers in SPARC asm statements.
13334 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13335 valid sethi operations when TARGET_ARCH64.
13337 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13338 always use move_by_pieces to avoid infinite recursion.
13339 (restore_fixed_argument_area): Likewise.
13341 * combine.c (check_promoted_subreg, record_promoted_value): New
13343 (combine_instructions): Use them to retain nonzero and sign bit
13344 information after SUBREGs are eliminated by optimizations in
13345 this pass if PROMOTE_FUNCTION_RETURN.
13347 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13348 .register declaration. Don't use variables with __ prefixes.
13350 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13352 * fold-const.c (optimize_bit_field_compare): Only use one mode
13353 for both RHS and LHS in non-constant case.
13355 1999-12-06 Nathan Sidwell <nathan@acm.org>
13357 * frame.c (start_fde_sort): Only allocate erratic array, if
13358 linear one was allocated. Return allocated flag.
13359 (fde_insert): Only insert, if there's a valid array.
13360 (fde_end_sort): Split, sort and merge if linear and erratic
13361 arrays exist, else just sort linear one.
13362 (search_fdes): New function. Linear search through original fde
13364 (frame_init): Permit multiple initializations. Cope with
13366 (find_fde): Fallback on linear search, if failed to sort array.
13367 (__deregister_frame_info): Only free sorted array, if we
13370 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13372 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13374 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13376 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13378 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13380 * tree.h (special_function_p): Declare.
13381 * calls.c (special_function_p): Make it global. Don't take `name'
13382 as a parameter. Fix typo in 1999-11-28 change.
13383 (expand_cal): Adjust.
13385 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13387 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13388 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13389 EXPR_WFL_FILENAME_NODE.
13390 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13392 * print-tree.c (print_note): Print TREE_PRIVATE and
13395 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13396 the original die cannot be found.
13398 * varray.h (varray_head_tag): Add elements_used.
13399 (VARRAY_PUSH): New macro.
13400 (VARRAY_POP): Likewise.
13401 (VARRAY_TOP): Likewise.
13402 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13404 * varray.c (varray_init): Initialize elements_used.
13405 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13406 (INTEGRATE_H): New variable.
13407 (integrate.o): Depend on INTEGRATE_H.
13408 (unroll.o): Likewise.
13410 * function.h (insert_block_after_note): Declare.
13411 * function.c (insert_block_after_note): Split out from ...
13412 (retrofit_block): ... here.
13414 * stmt.c (expand_fixup): Fix typo in comment.
13416 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13418 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13419 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13420 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13421 (regmove_optimize, fixup_match_1): Likewise.
13423 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13425 * flow.c (flow_loops_dump): Add missing argument when calling
13426 flow_loop_nested_p.
13428 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13429 Greg McGary <gkm@gnu.org>
13431 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13432 (init_attributes): Add A_NO_LIMIT_STACK.
13433 (decl_attributes): Handle A_NO_LIMIT_STACK.
13434 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13435 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13436 Handle stack bounds checking.
13437 * flags.h (flag_stack_check): Use the word 'probe' rather than
13438 'check', because the flag doesn't actually cause any checking to
13440 * function.c (expand_function_start): Set
13441 current_function_limit_stack.
13442 * function.h (struct function): Add limit_stack.
13443 (current_function_limit_stack): Define.
13444 * invoke.texi (Code Gen Options): Document new options.
13445 * rtl.h: Declare stack_limit_rtx.
13446 * toplev.c (stack_limit_rtx): New variable.
13447 (decode_f_option): Handle new options -fstack-limit-register=REG,
13448 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13449 (main): Add stack_limit_rtx as GC root.
13450 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13451 (struct tree_decl): New member no_limit_stack.
13453 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13455 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13456 (conditional_trap+1): Get new mnemonic correct.
13457 (conditional_trap+2): New pattern for DImode traps.
13459 * config/m68k/m68k.c (output_function_prologue): Handle
13461 * config/m68k/m68k.md (trap): New insn.
13462 (conditional_trap): New insn.
13463 * md.texi (Standard Names): Document `trap' and
13464 `conditional_trap'.
13465 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13466 so a cc0 setter doesn't get emitted at some random place in the
13469 * config/i960/i960.md (trap): New insn.
13470 (conditional_trap): New expander.
13471 (conditional_trap+1, conditional_trap+2): New insns for signed
13472 and unsigned cases.
13473 * config/i960/i960.c (i960_function_prologue): Use
13474 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13476 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13477 Geoffrey Keating <geoffk@cygnus.com>
13479 * flags.h (warn_padded, warn_packed): Add global var decls.
13480 * toplev.c (warn_padded, warn_packed): Add global var defns.
13481 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13482 * stor-layout.c (layout_record): Add local variable `type'
13483 to hold often-used TREE_TYPE (field). Add local variable
13484 `unpacked_align' to hold alignment that would be in force
13485 if no `packed' attribute were present. Warn if `packed' attribute
13486 is unnecessary, or even harmful. Warn when gcc inserts padding
13487 to satisfy alignment requirements of members. Use NULL_TREE
13488 when checking whether var_size is set.
13489 * invoke.texi: Document new flags.
13491 1999-12-03 Nathan Sidwell <nathan@acm.org>
13493 * frame.c (fde_split): Reimplement to avoid variable sized array.
13495 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13497 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13498 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13500 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13502 * invoke.texi: Document the mips option -mno-crt0
13504 1999-12-02 Mike Karr <mkarr@mathworks.com>
13506 * cccp.c (argdata): Added free_ptr member.
13507 (macroexpand): Initialize free_ptr of each argument. When an
13508 argument's buffers are freed, if the argument's free_ptr corresponds
13509 to a buffer on the input stack, then return the free_ptr to that stack
13510 frame, otherwise, free it.
13511 (macarg): If an argument begins and ends on the same input stack level,
13512 then transfer the free_ptr of that buffer to the argument in case
13513 the stack is popped during the processing of a subsequent argument.
13515 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13517 * loop.c (note_reg_stored): New function.
13518 (struct note_reg_stored_arg): New structure.
13519 (try_copy_prop): Change to be more conservative; only replace within
13520 one extended basic block and stop replacing if a store to the
13521 replacement reg is seen.
13523 1999-12-02 Nick Clifton <nickc@cygnus.com>
13525 * config/fp-bit.c: Initialise all fields of the NAN
13528 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13531 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13533 * i386.md (extend?f?f2): Force the input into a register, not
13536 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13538 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13540 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13541 alternative because setting up 64bit constant is usually costly,
13542 especially when reload is in progress or completed.
13543 (movdf_const_intreg_sp64): Likewise.
13544 (movdf_const_intreg split): Fix building up constants when
13545 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13547 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13549 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13550 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13553 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13554 (asm_file_start): Emit .am33 into assembly file when compiling for
13556 (print_operand_address): Handle POST_INC addresses.
13557 (can_use_return_insn, initial_offset): Check AM33 registers too.
13558 (expand_prologue): Check & save AM33 registers too.
13559 (expand_epilogue): Similarly.
13560 (secondary_reload_class): Handle AM33 specific secondary reloads.
13561 (output_tst): Emit efficient code for the AM33 too.
13562 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13563 (TARGET_SWITCHES): Add -mam33 switch.
13564 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13565 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13566 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13567 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13568 (enum reg_class, REG_CLASS_NAMES): Likewise.
13569 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13570 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13571 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13572 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13573 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13574 (HAVE_POST_INCREMENT): Define.
13575 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13576 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13577 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13578 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13579 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13580 (zero_extend to SI from QI/HI): Likewise.
13581 (sign_extend to SI from QI/HI): Likewise.
13582 (mulsidi3, umulsidi3): New patterns for the AM33.
13583 (tstsi with zero extension from QI/HI): Add AM33 variants.
13584 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13585 (return_internal_regs, store_movm): Handle new AM33 registers.
13586 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13587 (LIBGCC, INSTALL_LIBGCC): Likewise.
13588 * invoke.texi: Document new flags.
13590 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13592 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13593 (addsi3_carry): Likewise.
13594 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13595 (sbbsi3_carry): Likewise.
13596 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13597 (mulhi3): Likewise.
13598 (test?i_1): Ensure that only one operand is memory.
13599 (conditional move patterns): likewise.
13600 (shift and rotate patterns): Rewrite to expander, add
13601 "binary_operator_ok" to the condition.
13603 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13604 * i386.h (procesor_costs): Add movzbl_load field.
13605 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13606 non-Q registers, accept DImode registers anywhere.
13608 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13609 * i386.c (*_cost): Set value for movxbl_load field.
13611 * (addsi): New add to lea splitter.
13612 (ashlsi): Likewise.
13613 (lea to add/shift peep2): New.
13615 1999-12-01 Mark Salter <msalter@cygnus.com>
13617 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13618 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13619 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13621 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13623 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13624 * i386.md (movsi_xor): New.
13626 (movsi_1, movhi_1, movqi_1): Remove.
13627 (movsi_2): Rename to movsi_1.
13628 (movhi_2): Rename to movhi_1.
13629 (movqi_2): Rename to movqi_1.
13630 (movdi_1): Remove; remove splitter.
13631 (movdi_2): Rename to movdi_1.
13632 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13633 (long move peep2): Do not create QI or HI mode mov0s
13634 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13636 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13639 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13640 (abs?f2_if): Likewise.
13642 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13644 * ggc.h (ggc_test_and_set_mark): New macro.
13645 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13646 (ggc_mark_tree): Likewise.
13647 (ggc_mark_rtvec): Likewise.
13648 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13650 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13652 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13654 (decl_scope_table): Just an array of trees now.
13655 (push_decl_scope): Simplify.
13656 (dwarf2out_init): Adjust.
13657 (local_scope_p): New fn.
13658 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13659 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13660 (gen_typedef_die): Likewise.
13661 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13662 (gen_inlined_subroutine_die): Likewise.
13663 (gen_abstract_function): Set current_function_decl temporarily.
13664 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13665 Handle block extern declarations. Don't call push/pop_decl_scope.
13666 (gen_decl_die): Fix logic for block externs.
13668 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13670 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13671 to the list of functions which have attribute malloc by default.
13673 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13675 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13676 integer constant does not match the traditional type, limit the
13677 warnings to cases where the base of the type is ten.
13679 * invoke.texi (-Wtraditional): Document it.
13681 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13683 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13684 * rs6000.md: Only access a CONST_INT with INTVAL
13686 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13688 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13689 (compute_nearerout): Likewise.
13690 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13691 size_t to unsigned long for formatting.
13693 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13695 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13696 Allow the user to override call-used/fixed state of %g2-5
13697 registers from the command line (with the exception of %g4 for
13699 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13700 there is a higher chance of having a leaf function.
13701 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13702 for ARCH64 which has %ccr register.
13703 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13705 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13706 insn accept into delay slot any insn which does not use %[ol]
13707 registers. Accept some LO_SUM and shift left by 1 for the normal
13709 (output_function_epilogue): Likewise.
13710 (epilogue_renumber): Added argument which inhibits any renumbering
13711 and just tests if the rtx does not use any %[ol] registers.
13712 (output_return): Reflect above change.
13714 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13716 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13717 aggregate passing for sizes <= 16 bytes.
13719 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13721 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13722 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13723 * reload.c (find_dummy_reload): Likewise.
13724 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13725 * reload1.c (reload_as_needed): Likewise.
13726 * stupid.c (stupid_find_reg): Likewise.
13727 * tm.texi (Obsolete Register Macros): Delete section.
13728 * gmicro.h: Remove all traces of the two macros.
13729 * i386.h: Likewise.
13730 * m88k.h: Likewise.
13731 * mips.h: Likewise.
13733 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13735 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13736 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13737 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13738 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13739 units for the sparclite86x chip.
13740 (flush): Revert October 14th change; add SImode specifically.
13741 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13742 * invoke.texi: Document it.
13744 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13746 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13747 psimode_truncation_operand.
13749 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13750 function. Return true if the operand is either a MEM valid
13751 for a PSImode address or not a MEM at all.
13753 * config/mn10200/mn10200.md (truncsipsi2): Use
13754 psimode_truncation_operand.
13756 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13758 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13759 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13760 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13761 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13762 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13763 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13764 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13765 * basic-block.h: Protect from multiple inclusion.
13766 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13767 (struct loops, struct loop): Define structures.
13768 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13769 * sbitmap.h: Protect from multiple inclusion.
13770 (sbitmap_a_subset_b_p): Add prototype.
13771 * Makefile.in (LOOP_H): New macro.
13772 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13774 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13776 * cppinit.c (CAT): The argument list of this macro may not contain
13779 1999-11-29 David S. Miller <davem@redhat.com>
13781 Move quantity tables and register equivalence chains into
13782 per-qty and per-register structure arrays respectively.
13783 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13784 qty_const_insn, qty_comparison_code, qty_comparison_const,
13785 qty_comparison_qty): Delete, replace with...
13786 (qty_table): this structure table.
13787 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13788 (reg_eqv_table): this structure table.
13789 (make_new_qty): Add argument MODE. Caller updated.
13790 Update to use qty_table and reg_eqv_table.
13791 (make_regs_eqv, delete_reg_equiv, insert_regs,
13792 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13793 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13794 cse_process_notes, cse_main, cse_basic_block): Likewise.
13796 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13798 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13799 operation if C is negative.
13800 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13801 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13802 law for some divisions if constant is negative and change other
13803 divisions to the opposite rounding.
13805 * expr.c (store_constructor_field): If bit position is not multiple
13806 of alignment of TARGET's mode, use BLKmode.
13808 * expr.c (expand_expr_unaligned): Add more code from full case
13809 that is needed when OP0 is in a register.
13811 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13813 * dwarfout.c (field_byte_offset): Size can be zero if there was
13816 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13818 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13819 (associate_trees): Delete unused var TEM.
13820 (extract_muldiv): Delete unused var CANCEL_P.
13822 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13823 (target_isinf, target_isnan, target_negative): Add return types to
13824 function definitions.
13826 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13828 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13829 * fixinc/hackshell.tpl: ditto
13830 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13831 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13833 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13835 * reload.c (push_reload): When looking for a register to put into
13836 reg_rtx, make sure all hard regs in a multi-reg register are in the
13837 right class and nonfixed.
13839 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13840 pending_read_insns, pending_write_insns, pending_read_mems,
13841 pending_write_mems, pending_list_length, last_pending_memory_flush,
13842 last_function_call, sched_before_next_call): Move static variables
13844 (bb_ prefixed versions): Replace with single array bb_deps.
13845 (struct deps): New structure.
13846 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13847 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13848 argument of type "struct deps *"; use that instead of global
13849 variables. All callers changed.
13850 (init_rgn_data_dependencies): Delete function.
13851 (init_rtx_vector): Delete function.
13852 (init_deps): New function.
13854 (free_pending_lists): Simplify, we always use the bb_deps array even
13855 if only one basic block.
13856 (compute_block_backward_dependences): Likewise.
13857 (schedule_region): Likewise.
13859 (propagate_deps): New function, broken out of
13860 compute_block_backward_dependences.
13861 (compute_block_backward_dependences): Use it.
13863 * alpha.md: Delete useless patterns that tried to work around
13864 register elimination problems.
13866 * unroll.c (loop_iterations): Don't abort if iteration variable
13869 From Joern Rennecke:
13870 * reload1.c (reloads_conflict): Reverse test comparing operand
13871 numbers when testing for conflict between output/outaddr reloads.
13873 1999-11-29 David S. Miller <davem@redhat.com>
13875 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13877 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13879 1999-11-28 Robert Lipe <robertl@cygnus.com>
13881 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13882 table from .fini into .dtor.
13884 1999-11-28 Anthony Green <green@cygnus.com>
13886 * tree.h (struct tree_decl): Add malloc_flag.
13887 (DECL_IS_MALLOC): Define.
13888 * c-common.c (attrs): Add A_MALLOC attribute.
13889 (init_attributes): Add this attribute to the table.
13890 (decl_attributes): Handle malloc attribute.
13891 * calls.c (special_function_p): Check for the malloc attribute.
13892 * extend.texi (Function Attributes): Document malloc attribute.
13894 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13896 * pa.md (reload shift-add patterns): Remove.
13898 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13900 * reorg.c (dbr_schedule) Print more statistics. Corrected
13901 problem when printing info when 3 delay slots are filled.
13903 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13905 * combine.c (setup_incoming_promotions): Pass an outgoing
13906 regno to FUNCTION_ARG_REGNO_P which it expects.
13908 1999-11-28 Andreas Jaeger <aj@suse.de>
13910 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13912 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13914 * cccp.c (do_include): Avoid initialization of automatic variable.
13916 * integrate.c (mark_stores): Function definition made void, to match
13917 previous declaration.
13918 * regclass.c (dump_regclass): Ditto.
13919 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13921 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13923 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13924 known to be multiple of divisor.
13926 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13928 * combine.c (try_combine): Add code to try to merge a set of a
13929 two-word pseudo to a constant with a setting of one of those words
13932 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13933 (split_tree): Completely rework to make more general.
13934 (make_range, fold): Call negate_expr.
13935 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13936 (fold, associate): Call new split_tree and associate_trees.
13937 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13939 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13941 * loop.c (try_copy_prop): Avoid GNU C extension.
13943 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13945 * except.c (init_eh_for_function): Still zero eh_return_context,
13946 eh_return_stack_adjust, and eh_return_handler.
13948 * except.h (eh_status): Adjust documentation for x_protect_list.
13949 (begin_protect_partials): New function.
13950 * except.c (enqueue_eh_entry): Fix formatting.
13951 (get_first_handler): Add consistency check.
13952 (add_partial_entry): Adjust usage of protect_list.
13953 (emit_cleanup_handler): Save and restore ehqueue.
13954 (expand_start_all_catch): Add comment.
13955 (begin_protect_partials): New function.
13956 (end_protect_partials): Adjust usage of protect_list.
13957 (init_eh_for_function): Use xcalloc.
13959 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13961 * c-common.c (check_format_info): Don't call a variadic function
13962 with a non-literal format string.
13964 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13966 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13967 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13970 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13973 * collect2.c (collect_wait): Likewise.
13975 * dbxout.c (dbxout_type): Likewise.
13977 * gcc.c (do_spec_1): Likewise.
13979 * genemit.c (gen_insn, gen_expand): Likewise.
13981 * genrecog.c (write_switch, write_subroutine): Likewise.
13983 * mips-tfile.c (catch_signal, botch): Likewise.
13985 * print-rtl.c (print_rtx): Likewise.
13987 * toplev.c (default_print_error_function, report_error_function,
13988 _fatal_insn): Likewise.
13990 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13992 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13994 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13996 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13997 operations when needed.
13998 * i386.md (fop_?f_comm): New.
13999 (fop_?f_1): Do not accept commutative operands.
14001 1999-11-25 Andreas Jaeger <aj@suse.de>
14003 * config/mips/mips.md (casesi_internal): Add missing brace.
14005 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14007 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14008 (splice_child_die): Handle moving a child DIE from the declaration
14009 DIE of a class to its specification.
14010 (gen_struct_or_union_type_die): Use 'complete' consistently.
14011 (gen_decl_die): Generate the virtual context DIE first.
14012 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14014 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14016 * config/mips/mips.md (call_value_multiple_interanal1): New.
14018 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14020 * dwarf2out.c (free_AT, free_die): New fns.
14021 (remove_children): Call them.
14022 (output_line_info): Disable removal of duplicate notes.
14024 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14025 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14026 means pretend the type isn't defined.
14027 Don't defer emitting types.
14028 (gen_type_die_for_member): New fn.
14029 (gen_decl_die): Call it.
14030 (splice_child_die): New fn.
14031 (gen_member_die): Call it rather than generate duplicate dies.
14033 Defer emitting information for the abstract instance of an inline
14034 until we either inline it or emit an out-of-line copy.
14035 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14036 from output_inline_function if DECL_ABSTRACT is also set.
14037 (block_ultimate_origin): Likewise.
14038 (gen_abstract_function): New fn.
14039 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14040 (gen_subprogram_die): An abstract instance is not a declaration
14041 just because it doesn't match current_function_decl. Don't abort
14042 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14043 has an abstract origin.
14044 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14045 abstract instance here.
14047 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14049 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14050 where we need to reload fpul from a system register.
14052 1999-11-24 Andreas Jaeger <aj@suse.de>
14054 * config/mips/linux.h (CPP_PREDEFINES): Added.
14055 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14057 1999-11-24 Andreas Jaeger <aj@suse.de>
14059 * config/mips/linux.h (TARGET_VERSION): Added.
14060 (HANDLE_SYSV_PRAGMA): Added.
14061 (DEFAULT_VTABLE_THUNKS): Added.
14063 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14065 * local-alloc.c (qty): New structure and static variable.
14066 (qty_phys_reg): Remove, all references changed to qty.
14067 (qty_n_refs): Likewise.
14068 (qty_min_class): Likewise.
14069 (qty_birth): Likewise.
14070 (qty_death): Likewise.
14071 (qty_size): Likewise.
14072 (qty_mode): Likewise.
14073 (qty_n_calls_crossed): Likewise.
14074 (qty_alternate_class): Likewise.
14075 (qty_changes_size): Likewise.
14076 (qty_first_reg): Likewise.
14077 (alloc_qty): Rename variable QTY to QTYNO.
14078 (finf_free_reg): Likewise.
14079 (local_alloc): Allocate qty, do not allocate the removed variables.
14081 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14083 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14084 when -membedded-pic is passed.
14086 * config/mips/mips.md (casesi): Handle 64-bit case too.
14087 (casesi_internal_di): New insn.
14089 * config/mips/mips.c (embedded_pic_offset): Always make the
14090 embedded-pic subtractions relative to the name of the current
14091 function by use of the magic string "..CURRENT_FUNCTION".
14092 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14094 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14096 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14097 of (const_int 0), when what we really care about is
14098 whether it's a zero constant anyway.
14099 (div_trap_mips16): Likewise.
14101 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14103 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14104 unroll_block_trees when generating debuggable code.
14106 * tree.h (unsave_expr_1): New function.
14107 (lang_unsave): New variable.
14108 (get_callee_fndecl): New function.
14109 * tree.c (unsave_expr_now_r): New function.
14110 (lang_unsave): Define.
14111 (unsave_expr_1): Likewise.
14112 (unsave_expr_now_r): Split out from unsave_expr_now.
14113 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14114 call unsave_expr_now_r.
14115 (get_callee_fndecl): Define.
14117 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14118 (gencheck.o): Do depend on lang_tree_files.
14120 * integrate.h (copy_decl_for_inlining): New declaration.
14121 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14122 (copy_decl_for_inlining): New function.
14123 (integrate_parm_decls): Use it.
14124 (integrate_decl_tree): Likewise.
14126 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14128 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14129 the second two from the first.
14130 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14131 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14132 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14134 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14135 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14138 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14140 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14141 needed on the address operand.
14142 * pa.c (call_operand_address): Check for the correct mode.
14144 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14146 * loop.c: Include "basic-block.h".
14147 (try_copy_prop, replace_loop_reg): New functions.
14148 (load_mems): Detect registers that just hold copies of the hoisted
14149 mem, and call try_copy_prop to eliminate them.
14150 * Makefile.in (loop.o): Update dependencies.
14152 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14154 * Makefile.in (gencheck.o): Depend on gencheck.h.
14155 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14156 (insn-peep.o): Depend on except.h and function.h.
14157 (insn-attrtab.o): Depend on RECOG_H.
14158 (insn-output.o): Depend on toplev.h and flags.h.
14159 (gengenrtl.o): Depend on real.h.
14160 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14161 Unify all dependencies to be on RECOG_H rather than recog.h.
14163 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14165 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14166 * configure.in: Try building a bi-arch 32/64-bit compiler on
14167 sparc-*-solaris2.7 and higher.
14168 * configure: Rebuild.
14170 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14172 * config/freebsd.h: New, FreeBSD architecture independent file.
14173 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14174 independent pieces.
14175 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14176 directly by i386/freebsd.h.
14177 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14178 independent configuration file.
14179 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14180 directly by i386/freebsd.h.
14181 * configure: Rebuilt.
14183 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14184 which is in the user's namespace.
14185 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14186 `i386' which is not in our namespace.
14188 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14190 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14192 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14194 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14195 (add_dwarf_attr, add_child_die): Just push onto the front.
14196 (reverse_die_lists): New fn.
14197 (add_sibling_attributes): Use it.
14198 (push_decl_scope): Reorganize.
14199 (add_name_and_src_coords_attributes): Don't set file and line for
14200 an artificial decl.
14201 (gen_subprogram_die): An artificial function doesn't need to match
14203 (gen_compile_unit_die): Return the generated die. Only add
14204 AT_comp_dir if the filename is relative.
14205 (remove_AT): Simplify loop. Also free string values.
14206 (output_die): A DIE ref can't be null.
14207 (output_value_format, value_format): Take a dw_attr_ref.
14208 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14209 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14210 AT_addr, AT_lbl): New fns.
14211 (various): Use them.
14212 (various): Constify.
14214 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14216 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14217 take SUBREG_WORD into account.
14218 (if_then_else_cond): Likewise.
14220 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14222 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14223 clause from BSD license, pursuant with
14225 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14227 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14229 * loop.c (load_mems): Reformat slightly.
14230 * basic-block.h (regset_head): New typedef.
14231 (INIT_REG_SET): New macro.
14233 1999-11-22 Bruce Korb <autogen@linuxbox.com
14235 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14236 (mips-dec-bsd*): non-functional code
14237 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14239 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14240 added three replacement fixes
14241 (no_double_slash): removed comments that are not (any longer) pertinent
14242 (bad_lval): this fix currently runs against many files.
14243 The comment seems to indicate that we should select for files
14244 containing 'pragma extern_prefix'.
14246 * fixinc/fixinc.x86-linux-gnu: deleted
14247 * fixinc/inclhack.sh: regen
14248 * fixinc/fixincl.x: regen
14249 * fixinc/fixincl.sh: regen
14251 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14253 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14254 its code is INSN and it has no notes.
14256 1999-11-22 Andrew Haley <aph@cygnus.com>
14258 * varasm.c (function_defined): Remove.
14259 (make_function_rtl): Don't set function_defined.
14260 (make_decl_rtl): Remove global register warning.
14261 * regclass.c (no_global_reg_vars): New variable.
14262 (globalize_reg): Warn if function has already been defined.
14263 (regclass_init): Set no_global_reg_vars.
14265 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14267 * regclass.c (reg_pref): New structure and static variable
14268 (prefclass): Delete.
14269 (altclass): Delete.
14270 (all uses of prefclass and altclass): Use reg_pref instead.
14272 1999-11-21 Nick Clifton <nickc@cygnus.com>
14274 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14276 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14277 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14278 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14280 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14282 * varasm.c (output_constructor): Solve problem with long long
14283 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14285 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14287 * global.c (allocno): New structure and static variable.
14288 (allocno_reg): Remove, all references replaced by allocno.
14289 (allocno_size): Likewise.
14290 (hard_reg_conflicts): Likewise.
14291 (hard_reg_preferences): Likewise.
14292 (hard_reg_copy_preferences): Likewise.
14293 (hard_reg_full_preferences): Likewise.
14294 (regs_someone_prefers): Likewise.
14295 (allocno_calls_crossed): Likewise.
14296 (allocno_n_refs): Likewise.
14297 (allocno_live_length): Likewise.
14298 (find_reg): Rename ALLOCNO to NUM.
14300 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14301 references updated.
14302 (may_move_out_cost): New variable.
14303 (init_reg_sets_1): Initialize may_move_out_cost.
14304 (record_reg_classes): Use may_move_out_cost.
14306 * regclass.c (dump_regclass): New function.
14307 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14308 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14309 pass rtl_dump_file to regclass.
14310 * rtl.h (regclass): Update prototype.
14312 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14314 * i386.md (neg, not and abs patterns): Revmap to use
14315 ix86_expand_unary_operator and ix86_unary_operator_ok.
14316 (add?f and sub?f expanders): Force operand 1 to register.
14317 * i386.c (ix86_expand_unary_operator): Rewrite.
14318 (ix86_unary_operator_ok): Ensure that memory operands
14320 (ix86_binary_operator_ok): Do not allow operand 1 to
14321 come into memory and operand 0 not.
14322 (ix86_expand_binary_operator): Ensure that
14323 src1 is not non-matching memory.
14325 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14326 to support integer registers and memory.
14327 (abss?2_integer): Likewise.
14329 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14330 (REG_CLASS_NAMES): Likewise.
14331 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14333 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14334 (movsf): Likewise; unify 4th and 5th alternative.
14335 (pushdf): Likewise.
14336 (movdf_1): Likewise; rename to movdf_integer.
14337 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14338 remove redundant splitter.
14339 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14340 (movdf_nointeger): New.
14341 (movxf_nointeger): New.
14342 (pushxf_nointeger): New.
14344 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14345 memory operands in patterns.
14346 (fop*): Refuse two memory operands.
14348 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14349 on !TARGET_USE_CLTD CPUs.
14351 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14353 * extend.texi: Document C++ restricted pointers and references.
14355 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14357 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14358 (invalidate_skipped_set): Call it unconditionally.
14359 (cse_set_around_loop): Likewise.
14361 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14363 * rtl.texi (mem): Add documentation for alias-set argument
14366 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14368 * i386.h (struct_processor_costs): New fields int_load, int_store,
14369 fp_move, fp_load and fp_store
14370 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14372 (MEMORY_MOVE_COST): New macro.
14373 * i386.c (386_cost): Define new fields.
14374 (i486_cost): Likewise.
14375 (pentium_cost): Likewise.
14376 (pentiumpro_cost): Likewise.
14377 (k6_cost): Likewise.
14379 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14380 Geoffrey Keating <geoffk@cygnus.com>
14382 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14384 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14387 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14388 (TARGET_STRICT_ALIGNMENT): New macro.
14389 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14390 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14391 * invoke.texi (M680x0 Options): Document -mstrict-align.
14393 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14394 Richard Henderson <rth@cygnus.com>
14396 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14397 (ix86_split_long_move): Declare.
14398 * i386.c (split_xf, ix86_split_movdi): Remove.
14399 (ix86_split_to_parts, ix86_split_long_move): New.
14400 * i386.md (dimode move splitters): Use ix86_split_long_move.
14401 (dfmode move splitters): Likewise.
14402 (xfmode move splitters): Likewise.
14403 (movsf_1): Allow F->r.
14404 (movdf_1, movxf_1): Allow F->ro.
14406 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14408 * except.h (struct eh_entry): Add goto_entry_p.
14409 (eh_region_from_symbol): Remove prototype.
14410 * except.c (find_func_region_from_symbol): New function.
14411 (emit_cleanup_handler): Likewise.
14412 (eh_region_from_symbol): Make it static.
14413 (add_new_handler): Verify the argument.
14414 (find_func_region): Update comment.
14415 (expand_eh_region_end): Expand handlers here, rater than waiting
14416 until expand_leftover_cleanups or start_all_catch.
14417 (expand_leftover_cleanups): Don't expand here.
14418 (expand_start_all_catch): Or here.
14419 (expand_rethrow): Check the return value from find_func_region.
14420 * function.c (expand_function_end): Emit the catch_clauses.
14422 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14424 * integrate.c (expand_inline_function): Add necessary check for NULL.
14426 1999-11-18 Nick Clifton <nickc@cygnus.com>
14428 * toplev.c (main): Correctly detect an unrecognised option.
14430 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14431 a -f option if it has not been recognised.
14433 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14435 * basic-block.h (update_life_extent): Remove trailing comma on
14436 enumeration type list.
14438 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14440 * varasm.c (output_constructor) Solved problem with long long
14441 bitfields. Corrected calculating this_time and shift. Also
14442 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14444 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14446 * flow.c (split_edge): Take looping structure into account when
14447 determining where to put the new block note.
14449 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14451 * Makefile.in (ggc-none.o): Provide host specific version if
14454 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14456 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14457 containing subregs too.
14459 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14461 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14462 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14463 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14464 (text_section): Add switches -munint-const-in-rodata and
14465 -mno-uninit-const-in-rodata.
14466 (ASM_OUTPUT_COMMON): Remove.
14467 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14468 const objects should be placed in read-only data. Otherwise declare
14471 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14473 * jump.c (jump_optimize_1): Revert last change.
14475 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14477 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14478 test if optimizing for size.
14480 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14482 * Makefile.in (toplev.o): Depend on except.h.
14483 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14485 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14487 * i386.md (divmodsi4): Rewrite to expander.
14488 (*divmodsi4_nocltd): New.
14489 (*divmodsi4_cltd): New.
14490 (divmodsi4 splitter): Handle the case when input comes in edx.
14491 (udivmodhi4): Do not use constraints in exander.
14492 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14494 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14496 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14497 for the common case.
14499 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14501 * explow.c (hard_function_value): Add outgoing argument.
14502 * expr.h (hard_function_value): Declare it.
14503 * calls.c (expand_call, emit_library_call_value): Update callers.
14504 * function.c (aggregate_value_p): Ditto.
14505 (diddle_return_value): Must look at the outgoing registers
14506 on archs with register windows.
14508 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14510 * alpha.c (alpha_build_va_list): Use make_lang_type and
14511 initialize TYPE_NAME for the va_list record.
14513 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14515 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14517 * ggc.h (struct ggc_statistics): Rearrange elements for better
14518 packing on 64-bit hosts.
14519 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14520 (compute_nearerout): Likewise.
14522 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14524 * config/rs6000/rs6000.c (first_reg_to_save): Save
14525 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14527 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14529 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14530 notion of nesting to find the DIE for a type or function.
14531 DIEs can go in limbo even if we got a context_die.
14532 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14533 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14535 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14536 (gen_type_die): Writing out the context doesn't cause member class
14537 template instantiations to be written out as well.
14539 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14541 * rs6000.h (ASM_OUTPUT_DEF): New.
14542 Based on proposed addition from David Edelsohn.
14544 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14545 Bruce Korb <autogen@linuxbox.com>
14547 * fixinc/inclhack.def
14548 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14549 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14551 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14552 (svr4_endian): enabled with SVR5
14553 (svr4_mkdev): simplified syntax and enabled with SVR5
14555 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14557 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14558 * configure: Rebuilt.
14559 * config/t-freebsd-thread: New file.
14561 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14563 * i386.c (ix86_decompose_address): Verify the base is a REG
14564 before trying to examine its register number.
14566 * basic-block.h: Remove all #defines and prototypes related to
14568 (free_bb_mem, compute_preds_succs): Remove prototype.
14569 * rtl.h (free_bb_mem): Remove prototype.
14570 * flow.c (alloc_int_list_node); Remove function.
14571 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14572 (compute_preds_succs, free_bb_mem): Likewise.
14573 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14574 * toplev.c (rest_of_compilation): Likewise.
14575 * haifa-sched.c (build_control_flow): Use flow generated edge
14576 list to build the haifa specific edge list.
14577 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14578 (schedule_insns): Do not build pred/succ lists anymore. Instead
14579 build the edge table.
14581 * basic-block.h (dump_bb_data): Remove declaration.
14582 * flow.c (dump_bb_data): Remove function.
14583 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14584 (sbitmap_union_of_predsucc): Likewise.
14586 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14587 argument. All callers changed.
14588 (delete_null_pointer_checks_1): No longer need to compute the
14591 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14592 All callers changed.
14593 (pre_expr_reaches_here_p_work): Likewise.
14594 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14595 * lcm.c (compute_laterin): Fix initialization of LATER.
14596 (compute_nearerout): Similarly for NEARER.
14598 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14600 * cse.c (set_nonvarying_address_components): Delete unused function.
14601 (refers_to_p): Likewise.
14603 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14605 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14608 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14610 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14611 definition in do while (0).
14613 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14615 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14617 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14619 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14621 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14623 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14624 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14625 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14626 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14628 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14629 saved on the stack. Output more accurate stack frame statistics
14630 into assembler file.
14632 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14634 * genextract.c (record_insn_name): New function.
14635 (get_insn_name): No longer a stub.
14636 (main): Call record_insn_name for each insn. After each label
14637 written, print the insn name in a comment.
14639 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14641 * output.h (const_section, init_section, fini_section): Add
14644 * alpha/elf.h (const_section): Delete declaration.
14646 * svr4.h (const_section): Likewise.
14648 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14650 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14651 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14652 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14654 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14655 variable-sized array bounds.
14657 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14659 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14662 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14664 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14665 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14667 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14669 * cse.c (hash_arg_in_struct): Delete.
14670 (struct table_elt): Delete elt in_struct.
14671 (struct set): Delete elt src_in_struct.
14672 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14673 the corresponding in_struct elts.
14674 (canon_hash): Likewise.
14675 (safe_hash): Likewise.
14676 (find_best_addr): Likewise.
14677 (record_jump_cond): Likewise.
14678 (cse_insn): Likewise.
14680 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14682 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14684 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14687 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14689 * function.c (diddle_return_value): Put back check that the DECL_RTL
14690 for the function is a register.
14692 * function.c (diddle_return_value): Use hard_function_value to
14693 get an rtx suitable for use in the USE/CLOBBER insn.
14695 * global.c (global_conflicts): Update comments.
14696 (record_conflicts): No need to record conflicts between pseudos here.
14698 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14700 * fixinc/fixincl.c: Added verbose levels for status messages
14702 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14704 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14705 operand as argument to expand_and or expand_binop.
14707 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14709 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14710 gcc_add_string_root.
14712 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14714 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14716 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14718 * flow.c (compute_flow_dominators): Initially put all blocks on
14720 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14721 * gcse.c (compute_cprop_avinout): Remove.
14722 (compute_cprop_data): Use compute_available.
14723 (delete_null_pointer_checks_1): Use compute_available.
14725 * basic-block.h (compute_available): Returns a void now.
14726 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14727 to return a value anymore.
14728 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14729 worklists. Fix boundary cases. Compute maximal solutions.
14730 (compute_laterin, compute_nearerout): Similarly.
14732 * dwarf2out.c (add_AT_location_description): Allow
14733 (mem (plus (pseudo) (...)) too.
14735 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14737 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14739 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14740 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14742 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14744 * gansidecl.h: Likewise.
14750 * toplev.h: Likewise.
14752 * tree.c: Likewise.
14754 * tree.h: Likewise.
14756 * varray.c: Likewise.
14758 * varray.h: Likewise.
14760 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14762 * gcov.c (struct arcdata): Add hits and total, remove prob.
14763 (output_branch_counts): New.
14764 (process_args): Set output_branch_counts if -c.
14765 (calculate_branch_probs): Store hits and total instead of
14767 (output_data): Emit counts if output_branch_counts is true.
14768 * gcov.texi (Invoking Gcov): Document -c switch..
14770 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14772 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14773 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14775 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14777 * invoke.texi (C Dialect Options): Add missing builtins from
14778 c-common.c to list.
14779 * extend.texi (Other Builtins): Copy to this list.
14781 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14783 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14784 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14785 redundant bitmap.h.
14787 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14789 * flow.c (compute_flow_dominators): No longer treat basic block 0
14790 or (n_basic_blocks - 1) specially. Clear the AUX field before
14791 starting computation of doms/pdoms. Fix initial state for pdoms.
14793 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14795 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14796 match rtl.o's: added ggc.h and toplev.h
14797 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14798 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14799 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14801 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14803 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14804 from HAVE_DOS_BASED_FILESYSTEM.
14805 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14806 HAVE_DOS_BASED_FILESYSTEM.
14808 (split_directories): Only special-case DOS file names if
14809 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14810 instead of explicit tests. Conditionalize on !VMS.
14811 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14812 tests. Conditionalize on !VMS.
14813 (process_command): Only use make_relative_prefix if !VMS.
14814 (free_split_directories): Conditionalize on !VMS.
14815 (DIR_UP): Conditionalize on !VMS.
14817 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14819 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14821 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14823 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14826 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14828 * invoke.texi (Environment Variables): Document relative path
14830 * gcc.c (DIR_UP): If not defined, define as "..".
14831 (standard_bindir_prefix): New static, holds target location to
14833 (split_directories): New function to split a filename into
14834 component directories.
14835 (free_split_directories): New function, release memory allocated
14836 by split_directories.
14837 (make_relative_prefix): New function, make a relative pathname if
14838 the compiler is not in the expected location.
14839 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14840 can figure out an appropriate prefix from argv[0].
14841 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14842 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14843 STANDARD_BINDIR_PREFIX.
14845 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14847 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14849 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14850 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14851 c4x_secondary_memory_needed) Delete.
14852 (fp_zero_operand): Add mode argument.
14854 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14856 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14857 that is in reload_reg_used.
14859 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14861 * config/arm/arm-protos.h: New file: Prototypes for functions
14862 defined in arm.c and pe.c.
14863 * config/arm/arm.h: Fix compile time warnings.
14864 * config/arm/arm.c: Fix compile time warnings.
14865 * config/arm/pe.h: Fix compile time warnings.
14866 * config/arm/aout.h: Fix compile time warnings.
14868 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14870 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14873 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14874 Add support for subtargets.
14875 Add prototypes for new predicates.
14876 Add scheduling macros.
14878 * config/m32r/m32r.c: Fix compile time warnings.
14879 (int8_operand): New predicate function.
14880 (reg_or_cmp_int16_operand): New predicate function.
14881 (extend_operand): New predicate function.
14882 (m32r_adjust_code): New scheduling function.
14883 (m32r_adjust_priorty): New scheduling function.
14884 (m32r_sched_init): New scheduling function.
14885 (m32r_sched_reorder): New scheduling function.
14886 (m32r_sched_variable_issue): New scheduling function.
14887 (direct_return): New codegen function.
14888 (m32r_not_same_reg): New rtl testsing function.
14890 * config/m32r/m32r.md: Fix compile time warnings.
14891 Add support for pre decrement and post increment memory
14893 Add S<cc> patterns.
14896 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14898 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14899 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14900 (find_reg): Likewise.
14902 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14904 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14905 to avoid assembler errors.
14907 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14909 * config/v850/v850-protos.h: New file: Prototypes for functions
14911 * config/v850/v850.h: Move prototypes to v850-protos.h
14912 * config/v850/v850.c: Move prototypes to v850-protos.h
14913 * config/v850/v850.md: Fix compile time warnings.
14915 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14917 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14918 * config/fr30/fr30.c: Fix compile time warnings.
14919 * config/fr30/fr30.md: Fix compile time warnings.
14921 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14923 * tree.h (get_containing_scope): Declare it.
14924 * tree.c (get_containing_scope): New fucntion.
14925 (decl_function_context): Use it.
14926 * toplev.c (rest_of_compilation): Use get_containing_scope.
14928 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14930 * Makefile.in (rtl.o): Depend on toplev.h.
14932 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14934 * cse.c (delete_trivially_dead_insns): Replace alloca with
14936 * except.c (update_rethrow_references): Likewise.
14937 (init_eh_nesting_info): Likewise.
14938 * function.c (identify_blocks): Likewise.
14939 * gcse.c (dump_hash_table): Likewise.
14940 * graph.c (print_rtl_graph_with_bb): Likewise.
14941 * loop.c (combine_movables): Likewise.
14942 (move_movables): Likewise.
14943 (count_loop_regs_set): Likewise.
14944 (strength_reduce): Likewise.
14945 * profile.c (compute_branch_probabilities): New function, split
14947 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14948 * regclass.c (regclass): Likewise.
14949 * regmove.c (regmove_optimize): Likewise.
14950 * toplev.c (compile_file): Likewise.
14951 (main): Don't mess with the stack rlimit.
14953 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14955 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14956 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14958 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14960 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14962 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14964 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14965 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14968 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14970 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14972 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14974 * gcse.c (post_dominators): Kill.
14975 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14976 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14977 pass in a pdom array since we do not need pdoms.
14978 * haifa-sched.c (schedule_insns): Similarly.
14979 * flow.c (compute_dominators): Remove dead function.
14980 (compute_flow_dominators): Do not compute doms or pdoms if the
14981 caller does not request them. Split up loop to build doms and
14982 pdoms. Use a worklist to compute doms and pdoms.
14983 * basic-block.h (compute_dominators): Remove prototype.
14985 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14987 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14988 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14989 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14990 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14991 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14992 (schedule_region): Remove unused variable.
14993 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14995 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14997 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14998 (update_equiv_regs): Likewise.
14999 (block_alloc): Likewise.
15000 * reg-stack.c (reg_to_stack): Likewise.
15001 (convert_regs_2): Likewise.
15002 * reload1.c (reload_as_needed): Likewise.
15004 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15006 * Makefile.in (dbxout.o): Depend on ggc.h.
15007 (dwarf2out.o): Likewise.
15008 (xcoffout.o): Likewise.
15009 * dbxout.c: Include ggc.h.
15010 (dbxout_init): Register lastfile as a root.
15011 * dwarf2out.c: Include ggc.h.
15012 (dwarf2out_line): Register lastfile as a root.
15013 * xcoffout.c: Include ggc.h.
15014 (xcoffout_source_line): Register xcoff_lastfile as a root.
15016 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15018 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15020 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15022 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15024 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15026 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15028 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15029 (EXECUTE_IF_CONFLICT): Likewise.
15030 (ALLOCNO_LIVE_P): Avoid signed division.
15031 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15032 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15033 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15035 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15037 * haifa-sched.c (schedule_block): Don't crash if there's no
15038 next insn for an interblock movement.
15039 (add_branch_dependences): Don't allow clobber insns to move either.
15041 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15043 * i386.c (split_xf): New.
15044 * i386-protos.h: Declare it.
15045 * i386.md (movxf_1): Add general regs alternatives.
15046 (movxf_1+1): New splitter for same.
15048 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15050 * function.c (purge_addressof_1): Add missing return values.
15052 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15054 * function.c (is_addressof): New function. Returns true if
15055 the given piece of RTL is an ADDRESSOF.
15056 (purge_addressof_1): Make boolean. Return false if the
15057 ADDRESSOFs could not be purged.
15058 (purge_addressof): If ADDRESSOFs could not be purged from the
15059 notes attached to an insn, remove the offending note(s),
15060 unless they are attached to a libcall.
15062 1999-11-05 Andreas Jaeger <aj@suse.de>
15064 * genoutput.c (null_operand =): Initialize all fields.
15066 * errors.h: Add extern to prototypes.
15068 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15070 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15071 * configure: Rebuilt.
15073 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15075 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15076 (mirror_conflicts): New function.
15077 (global_alloc): Call it.
15078 (expand_preferences): Remove redundant CONFLICTP test.
15079 (find_reg, dump_conflicts): Likewise.
15080 (prune_preferences): Process conflicts one word at a time.
15082 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15084 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15085 instead of an explicit loop.
15087 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15089 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15090 if REG_RETVAL check succeeds, then put classp in src_elt.
15092 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15094 * function.c (pad_to_arg_alignment): Only update argument_pad
15095 if the argument's alignment is greater than STACK_BOUNDARY.
15097 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15099 * bitmap.h (BITMAP_XFREE): New.
15100 * flow.c (life_analysis): Use it.
15101 (life_analysis_1): Free blocks.
15103 * combine.c (undo_commit): New.
15104 (try_combine): Use it. Don't zap undobuf.undos.
15105 (combine_instructions): Don't zap undobuf.undos; free the
15106 undobuf.frees list.
15108 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15110 * stmt.c (cost_table_): New.
15111 (estimate_case_costs): Use it instead of xmalloc.
15113 * toplev.c (compile_file): Reuse dumpname memory instead
15116 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15118 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15119 after verifying an EH edge.
15121 * haifa-sched.c (init_rgn_data_dependences): Correctly
15122 size bb_pending_lists_length when zeroing.
15124 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15126 * function.c (diddle_return_value): New.
15127 (expand_function_end): Use it.
15128 * stmt.c (expand_null_return): Likewise.
15129 (expand_value_return): Likewise.
15131 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15133 * reload1.c (reload): Don't remove return value clobbers.
15135 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15137 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15139 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15141 * cse.c (cse_main): Use xmalloc, not alloca.
15142 (cse_basic_block): Likewise.
15143 * local-alloc.c (local_alloc): Likewise.
15145 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15146 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15148 * rtl.c: Include toplev.h.
15149 (fatal): Remove declaration.
15151 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15153 * haifa-sched.c (schedule_block): Fix thinko.
15155 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15157 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15158 S_IR* defined values
15160 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15162 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15163 call `malloc' instead.
15165 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15167 * flags.h (flag_renumber_insns): Declare.
15168 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15170 * rtl.h (renumber_insns): Change prototype.
15171 * toplev.c (flag_renumber_insns): Define.
15172 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15174 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15176 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15177 and fpsqrtd. Use them and create fdiv function unit to more
15178 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15179 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15181 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15183 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15185 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15186 insn into ready list, do not use just a raw swap.
15188 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15190 * rtl.h (renumber_insns): New function.
15191 (remove_unnecessary_notes): Likewise.
15192 * emit-rtl.c (renumber_insns): Define.
15193 (remove_unncessary_notes): Likewise.
15194 * toplev.c (rest_of_compilation): Remove dead code.
15195 Use renumber_insns and remove_unncessary_notes.
15197 * gcse.c (struct null_pointer_info): New type.
15198 (get_bitmap_width): New function.
15199 (current_block): Remove.
15200 (nonnull_local): Likewise.
15201 (nonnull_killed): Likewise.
15202 (invalidate_nonnull_info): Take a null_pointer_info as input.
15203 (delete_null_pointer_checks_1): New function.
15204 (delete_null_pointer_checks): Use it.
15206 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15207 (split_edges): Likewise.
15208 (schedule_block): Likewise.
15209 (compute_block_backward_dependencies): Likewise.
15210 (schedule_region): Likewise.
15211 (schedule_insns): Likewise.
15213 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15215 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15216 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15217 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15218 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15219 * jump.c (delete_unreferenced_labels): Don't delete if
15220 LABEL_ALTERNATE_NAME is set.
15221 * print-rtl.c (print_rtx): Dump alternate name.
15222 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15223 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15224 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15225 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15227 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15229 * fix-header.c (recognized_extern, recognized_function): Constify
15232 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15233 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15234 (compute_available): Remove unused variable `last'.
15235 (compute_nearerout): Remove unused variable `temp_bitmap'.
15236 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15237 Remove unused variable `x'.
15239 * scan.h (recognized_function, recognized_extern): Constify a
15242 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15244 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15246 * varasm.c (decode_rtx_const): Use XSTR to access the string
15249 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15251 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15253 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15255 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15257 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15259 * pa.c (ireg_operand): New function.
15260 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15261 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15262 Fix out of date comment.
15264 * pa.md (negdi2): Turn into expander + anonymous pattern.
15266 * reload.c (find_reloads): Fix typos in recent change.
15268 * dwarf2out.c: Do not include ctype.h.
15270 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15272 * regclass.c (record_reg_classes): Always use may_move_cost when
15273 seeing how operand fits with various register classes.
15275 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15277 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15278 * toplev.c: Revert Nov 1 13:22 change.
15280 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15282 * config/pa/pa.md (height reduction patterns): Add checks for
15283 overlapping operands to avoid semantic-destroying splits for
15284 height reduction patterns.
15286 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15288 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15289 have been an hyphen, fixed.
15290 * configure: Rebuilt.
15292 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15294 * config/arm/tpe.h: Add prototypes for exported functions.
15295 * config/arm/pe.c: Fix compile time warnings.
15296 * config/arm/semi.h: Fix compile time warnings.
15297 * config/arm/arm.c: Fix compile time warnings.
15298 * config/arm/arm.h: Fix compile time warnings.
15299 * config/arm/arm.md: Fix compile time warnings.
15300 * config/arm/thumb.c: Fix compile time warnings.
15301 * config/arm/thumb.h: Fix compile time warnings.
15302 * config/arm/thumb.md: Fix compile time warnings.
15304 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15306 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15309 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15310 completely unrolled.
15312 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15314 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15316 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15318 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15319 * rtl.h (rtx_equal_p): Move prototype.
15320 * rtl.c (rtx_equal_function_value_matters): Move from
15322 (rtx_equal_p): Likewise.
15323 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15324 (rtx_equal_p): Likewise.
15326 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15328 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15329 ! HAS_INIT_SECTION.
15331 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15333 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15335 * pa.h (ADDR_VEC_ALIGN): Define.
15337 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15338 notes when presented with "if (foo) break; end_of_loop" and
15339 the break sequence gets moved out of the loop.
15341 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15342 Remove explicit zero initializations of entries within MAP.
15344 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15346 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15348 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15350 * bitmap.h (BITMAP_XMALLOC): New macro.
15351 * flow.c (CLEAN_ALLOCA): Remove.
15352 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15353 (life_analysis): Likewise.
15354 (update_life_info): Don't use CLEAN_ALLOCA.
15355 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15356 (calculate_global_regs_live): Likewise.
15357 (print_rtl_with_bb): Likewise.
15358 (verify_flow_info): Likewise.
15359 * global.c (global_alloc): Likewise.
15360 (global_conflicts): Likewise.
15361 * integrate.c (save_for_inline_nocopy): Likewise.
15362 (expand_inline_function): Likewise.
15363 * jump.c (jump_optimize_1): Likewise.
15364 (duplicate_loop_exit_test): Likewise.
15365 (thread_jumps): Likewise.
15366 * loop.c (loop_optimize): Likewise.
15367 (combine_givs): Likewise.
15368 (recombine_givs): Likewise.
15369 * reorg.c (dbr_schedule): Likewise.
15370 * unroll.c (unroll_loop): Likewise.
15372 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15374 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15376 * toplev.c (rest_of_compilation): Don't optimize the CFG
15377 when rebuilding, just before dbr.
15379 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15381 * output.h (assemble_end_function, assemble_destructor,
15382 assemble_constructor, assemble_gc_entry, assemble_global,
15383 assemble_label, output_constant_pool) Constify a char*.
15385 * varasm.c (assemble_destructor, assemble_constructor,
15386 assemble_gc_entry, assemble_end_function, assemble_global,
15387 assemble_label, output_constant_pool): Likewise.
15389 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15391 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15392 explaining what is goin on in this function.
15394 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15396 * regclass.c (record_reg_classes): In matching case, recompute
15397 costs since the direction of movement is different.
15399 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15401 * resource.c (mark_target_live_regs): For unconditional branches,
15402 the resources found at the branch target should be added to the
15403 resources found so far, not intersected.
15405 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15407 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15409 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15410 (sys/mman.h): Include this file only if #HAVE_MMAP.
15411 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15412 with automatically concatenated ANSI strings.
15414 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15416 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15417 (DIV_ROUND_UP): Robustify.
15418 (ggc_recalculate_in_use_p): New function.
15419 (release_pages): Don't inline it.
15420 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15422 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15423 (clear_marks): Always save in_use_p.
15424 (sweep_pages): Use ggc_recalculate_in_use_p.
15425 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15426 Release pages before counting statistics.
15428 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15430 * toplev.c (rest_of_compilation): Fix thinko in this change:
15432 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15434 (rest_of_compilation): If inside an inlined external function,
15435 pretend we are just being declared.
15437 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15439 * flow.c (calculate_global_regs_live): Fix thinko.
15441 * integrate.c (expand_inline_function): Fix bugs in previous
15442 change from Oct 28, 1999.
15444 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15446 * stmt.c (expand_value_return): Fix typo in this change:
15448 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15449 (expand_value_return): Correctly convert VAL when promoting function
15450 return; support RETURN_REG being a PARALLEL.
15452 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15454 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15456 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15458 * hard-reg-set.h (reg_names): Constify a char*.
15460 * regclass.c (reg_names): Likewise.
15462 * regs.h (reg_names): Likewise
15464 * a29k/a29k.c (reg_names): Delete declaration.
15466 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15468 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15469 arc_output_function_epilogue): Likewise.
15471 * elxsi/elxsi.c (reg_names): Likewise.
15473 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15475 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15478 * m88k/m88k.c (output_function_profiler): Likewise.
15480 * sparc/sparc.c (sparc_flat_output_function_prologue,
15481 sparc_flat_output_function_epilogue): Likewise.
15483 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15485 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15486 warning from -Wuninitialized and put it under -W.
15487 * function.c (uninitialized_vars_warning): Warn only when the
15488 corresponding flag is set.
15490 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15492 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15493 is nonzero and the single set does not have an elt, then assign
15496 * simplify-rtx.c: New file.
15497 * Makefile.in (OBJS): Add simplify-rtx.o
15498 (simplify-rtx.o): Add dependencies.
15499 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15500 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15501 (cse_gen_binary, simplify_unary_operation): Delete.
15502 (simplify_binary_operation, simplify_plus_minus): Likewise.
15503 (check_fold_consts, simplify_relation_operation): Likewise.
15504 (simplify_ternary_operation): Likewise.
15505 (delete_trivially_dead_insns): Simplify the contents of the
15506 REG_EQUAL note before trying to substitute it into the source
15507 of the reg-reg copy at the end of a libcall sequence.
15509 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15510 references/callers changed.
15512 * mn10200.c (mn10200_va_arg): Force the return value into a
15515 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15517 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15520 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15522 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15524 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15526 * fold-const.c (fold): Fix thinko when optimizing comparisons
15529 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15531 * gcc.texi (Passes): Update front-end files to their current
15534 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15536 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15537 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15538 (PREDICATE_CODES): Add addition_operation.
15539 * alpha-protos.h (addition_operation): Declare.
15540 (secondary_reload_class): Likewise.
15541 * alpha.c (addition_operation): New.
15542 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15543 * alpha.md (adddi3): Turn into expander.
15544 (*lda, *adddi_2): New.
15545 (movsf, movdf patterns): Don't preference integer regs.
15546 (movsi, movdi patterns): Don't preference fp regs.
15548 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15550 * genrecog.c (write_switch): Check for duplicate CODE cases.
15552 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15554 * ggc-common.c: Update pre-function commentary.
15555 * ggc-page.c: Likewise.
15557 (poison_pages): Use memset directly.
15558 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15559 (ggc_collect): Poison before sweeping.
15560 * ggc-simple.c: Update pre-function commentary.
15561 (ggc_alloc_obj): Poison non-zeroed memory.
15563 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15565 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15566 match format string, even on 64-bit hosts.
15567 * gcc-page.c (ggc_page_print_statistics): Likewise.
15569 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15571 * config/i386/i386.c (ix86_cpu): Revert last patch.
15572 * config/i386/i386.h (ix86_cpu): Ditto.
15574 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15576 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15577 TYPE_SIZE, convert type of result to sizetype.
15579 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15581 * flow.c (count_or_remove_death_notes): Equate NULL with the
15584 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15585 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15588 * i386.c (pic_label_no): Delete.
15589 (ix86_attr_length_default): Don't use single_set to peek
15592 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15593 the first insn after bb->end.
15594 * i386.md (push mem peeps): Scratch is live after evaluation
15596 (cmp mem peep): Similarly.
15598 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15600 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15601 * function.c (pad_to_arg_alignment): Add missing braces.
15603 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15605 * alpha/alpha-protos.h (literal_section): Add prototype.
15606 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15609 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15611 (alpha_start_function, alpha_end_function, float_strings,
15612 alpha_need_linkage): Constify a char*
15614 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15616 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15618 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15620 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15622 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15624 * flow.c (debug_flow_info): Add prototype.
15626 * gcc.c (main): Likewise.
15628 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15631 * reload1.c (failed_reload, set_reload_reg): Likewise.
15633 * mips-tfile.c (main): Likewise.
15634 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15635 with ATTRIBUTE_NORETURN.
15637 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15639 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15640 DECL is not a memory ref.
15642 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15644 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15645 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15647 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15649 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15650 * config/mips/elf64.h: ditto.
15652 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15654 * expr.c (emit_push_insn): New argument alignment_pad.
15655 Update all callers. Adjust stack pointer based on alignment pad.
15656 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15657 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15658 (locate_and_pad_parm): New argument alignment_pad. Update all
15660 * expr.h (emit_push_insn): Update prototype.
15661 (locate_and_pad_parm): Update prototype.
15662 * calls.c (arg_data): Add new field alignment_pad.
15663 (initialize_argument_information): Initialize alignment_pad.
15665 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15667 * except.c (free_eh_nesting_info): Free the info itself.
15668 * function.c (free_after_compilation): Don't free NULL.
15669 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15670 (pre_edge_insert): Free inserted.
15671 * stmt.c (free_stmt_status): Don't free NULL.
15673 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15675 * gcov.c (DIR_SEPARATOR): Provide default.
15676 (output_data): Add test for MS-DOS format absolute filename.
15677 (fancy_abort): Correct program name.
15678 (open_files): Open all files in binary mode.
15679 * libgcc2.c (__bb_exit_func): Likewise.
15681 * profile.c (init_branch_prob): Specify binary when opening files.
15683 * flags.h (flag_unwind_tables): New decl.
15684 * toplev.c (flag_unwind_table): New definition.
15685 (f_options): Add -funwind-tables.
15686 (decode_g_option): Clarify warning when unknown -g option is given.
15687 (rest_of_compilation): If inside an inlined external function,
15688 pretend we are just being declared.
15690 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15691 (dwarf2out_frame_finish): Likewise.
15693 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15695 * fold-const.c (merge_ranges): If not in0, but in1, handle
15696 upper bounds equal like subset case.
15698 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15700 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15701 passed in a register but moved to the stack.
15703 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15705 * gcc.c (pass_exit_codes, greatest_status): New variables.
15706 (struct option_map): Add entry for "--pass-exit-codes".
15707 (execute): Update greatest_status if error.
15708 (display_help): Add documentation for -pass-exit-codes.
15709 (process_command): Handle -pass-exit-codes.
15710 (main): Look at pass_exit_codes and greatest_status on call to exit.
15712 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15714 * reload.c (find_reloads): Refine test for no input reload
15715 case to not includes reloads emitted after insn.
15717 * function.c (find_temp_slots_from_address): Handle sum involving
15718 a register that points to a temp slot.
15719 (update_temp_slot_address): Make recursive call if both old and
15720 new are PLUS with a common operand.
15721 * calls.c (expand_call): Mark temp slot for result as having
15724 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15726 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15727 component as well as "BINUTILS".
15729 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15730 * integrate.c (copy_rtx_and_substitute): Likewise.
15731 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15732 All callers changed.
15733 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15735 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15736 gdb extensions, write size of type; also be more consistent
15737 in using references when this is a subtype.
15739 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15740 that is out of range.
15742 * loop.c (unknown_constant_address_altered): New variable.
15743 (prescan_loop): Initialize it.
15744 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15745 (invariant_p, case MEM): Remove handling for volatile and readonly;
15746 check new variable if readonly.
15747 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15749 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15750 (addr_affects_sp_p): Removed from note_mem_written and only
15751 define #ifdef AUTO_INC_DEC.
15753 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15755 * regclass.c (record_reg_classes): Properly handle register move
15758 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15759 Don't think valid if both operands are invalid.
15760 (struct constant_descriptor): New field RTL.
15761 (mark_const_hash_entry): Mark it.
15762 (record_constant{,_rtx}): Initialize it.
15763 (output_constant_def): Allocate RTL in permanent obstack and
15765 ({record,compare}_constant_1): Modes must match for
15766 CONSTRUCTOR of ARRAY_TYPE.
15768 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15769 * output.h (initializer_constant_valid_p): Move decl to here.
15770 * c-common.c (initializer_constant_valid_p): Delete function from here.
15771 * varasm.c (initializer_constant_valid_p): Move function to here.
15773 * tree.h (STRIP_SIGN_NOPS): New macro.
15774 * fold-const.c (optimize_minmax_comparison): New function.
15775 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15776 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15777 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15778 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15779 widening conversions.
15780 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15781 to look at size of mode, not precision of type; also add missing cases.
15782 (optimize_bit_field_compare, decode_field_reference): Don't try to
15783 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15785 * dwarf2out.c (ctype.h): Include.
15786 (dwarf2out_set_demangle_name_func): New function.
15787 (size_of_line_info): Deleted.
15788 (output_line_info): Compute size of line info table from difference
15790 (base_type_die, add_name_attribute): Call demangle function, if any.
15791 (field_byte_offset): Use bits per word for variable length fields.
15792 (gen_array_type_die): Add array name.
15793 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15794 (dwarf2out_add_library_unit_info): New function.
15796 * explow.c (set_stack_check_libfunc): New function.
15797 (stack_check_libfunc): New static variable.
15798 (probe_stack_range): Allow front-end to set up a libfunc to call.
15800 * combine.c (simplify_comparison): When making comparison in wider
15801 mode, check for having commuted an AND and a SUBREG.
15802 (contains_muldiv): New function.
15803 (try_combine): Call it when dividing a PARALLEL.
15804 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15805 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15807 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15808 use one of the CLOBBERs instead.
15809 (if_then_else_cond): If comparing against zero, just return thing
15812 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15813 Don't generate shifts and subtract if have conditional arithmetic.
15815 * rtl.h (delete_barrier): New declaration.
15816 * jump.c (jump_optimize): Set up to handle conditional call.
15817 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15818 (delete_barrier): New function.
15820 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15822 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15824 * tree.c (build_type_attribute_variant): Push to obstack of
15825 ttype around type_hash_canon call.
15827 * expr.c (placeholder_list): Move decl to file scope.
15828 (expand_expr): Don't force access to volatile just because its
15830 If ignoring reference operations, just expand the operands.
15831 (expand_expr, case COMPONENT_REF): Propagate
15832 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15833 Refine test for using bitfield operations vs pointer punning.
15834 (expand_expr, case CONVERT_EXPR): If converting to
15835 BLKmode UNION_TYPE from BLKmode, just return inner object.
15836 Use proper mode in store_field call.
15837 Properly set sizes of object to store and total size in store_field
15838 call for convert to union.
15839 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15840 memory (like for ADDR_EXPR). Also, don't put constant in register if
15841 we'll want it in memory.
15842 (readonly_fields_p): New function.
15843 (expand_expr, case INDIRECT_REF): Call it if LHS.
15844 (expand_assignment): Handle a RESULT_DECL where
15845 DECL_RTL is a PARALLEL.
15846 (do_jump, case WITH_RECORD_EXPR): New case.
15847 (get_inner_reference): Always go inside a CONVERT_EXPR
15848 and NOP_EXPR if both modes are the same.
15849 (store_field): Use bitfield operations if size of bitsize is not same
15850 as size of RHS's type.
15851 Check for bitpos not a multiple of alignment in BLKmode case.
15852 Do block move in largest possible alignment.
15853 (store_constructor): Set BITSIZE to -1 for variable size and properly
15854 in case of array of BLKmode.
15855 (expand_expr_unaligned): New function.
15856 (do_compare_and_jump): Call it.
15858 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15859 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15860 does not include 'o'.
15862 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15863 both SET_DEST and SET_SRC reference a virtual register.
15864 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15866 * integrate.c (expand_inline_function): Handle case of setting
15867 virtual stack vars register (from built in setjmp); when parameter
15868 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15869 (subst_constant): Add new parm, MEMONLY.
15870 (expand_inline_function, integrate_parm_decls): Pass new parm.
15871 (integrate_decl_tree): Likewise.
15872 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15873 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15874 (copy_rtx_and_substitute, case SET): Add explicit calls to
15875 copy_rtx_and_substitute for both sides.
15877 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15879 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15880 within INDEX_TYPE, instead of before.
15881 (fixup_gotos): Use f->target_rtl, not the next insn,
15882 since latter may be from a later fixup.
15883 (expand_value_return): Correctly convert VAL when promoting function
15884 return; support RETURN_REG being a PARALLEL.
15885 (expand_return): When checking for result in regs and having
15886 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15888 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15890 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15891 last_nominal_fname): Mark const.
15892 (struct include_hash: name, nshort, control_macro): Mark
15894 (struct macrodef: symnam): Mark const.
15895 (struct if_stack: fname): Mark const.
15896 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15897 (IStable): New character-syntax array which encompasses all
15898 the old is_foo arrays.
15899 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15900 is_space): New macros for interrogating IStable.
15901 (check_macro_name): Kill last argument. All callers changed.
15903 * cppinit.c (initialize_char_syntax): Delete.
15904 (is_idchar, is_idstart, is_hor_space, is_space,
15905 trigraph_table): Delete.
15906 (IStable): New. Initialize with clever macros to avoid
15907 information duplication.
15908 (builtin_array): Table of builtins to get rid of explicit list
15909 in initialize_builtins.
15910 (initialize_builtins): Use builtins_array.
15911 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15912 opts->dollars_in_ident.
15914 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15916 (cpp_parse_expr): Avoid 'format string is not constant'
15917 warning. Use ISGRAPH to identify printable chars.
15918 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15920 (read_and_prescan): Map trigraphs to chars with open-coded
15921 if-else-if-... sequence, not a lookup table.
15922 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15924 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15925 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15926 (check_macro_name): Remove ability to report an invalid
15927 assertion name, which is never used.
15928 (do_line): Constify a couple of char *'s.
15929 * cppmain.c (main): Call cpp_cleanup before returning.
15931 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15933 * ggc.h (struct ggc_statistics): New type.
15934 (ggc_get_size): New function.
15935 (ggc_print_statistics): Likewise.
15936 * ggc-common.c (ggc_stats): New variable.
15937 (ggc_mark_rtx_children): Keep statistics.
15938 (ggc_mark_tree_children): Likewise.
15939 (ggc_print_statistics): New function.
15940 * ggc-page.c (struct globals): Add bytes_mapped field.
15941 (alloc_anon): Update it.
15942 (release_pages): Likewise.
15943 (ggc_get_size): New function.
15944 (ggc_page_print_statistics): New function.
15945 * ggc-simple.c (ggc_get_size): New function.
15947 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15949 * flow.c (propagate_block): When the last reference to a label
15950 before an ADDR_VEC is deleted because the reference is a dead
15951 store, delete the ADDR_VEC.
15953 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15955 * resource.c (find_free_register): Don't use the frame pointer
15956 if frame_pointer_needed.
15958 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15960 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15961 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15963 * config/i960/i960.c (i960_va_start): New locals base, num.
15964 Use INDIRECT_REF instead of ARRAY_REF on valist.
15965 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15967 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15969 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15971 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15973 * tree.def (PLACEHOLDER_EXPR): Update comments.
15975 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15977 * c-common.c (check_format_info): Avoid non-literal format string
15978 warnings when `first_arg_num' is zero.
15980 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15982 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15984 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15986 * arm.md (casesi_insn): Add a clobber of the condition code
15989 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15991 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15992 used by both cc1 and cc1plus.
15994 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15996 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15997 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15998 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15999 to the value 32 if it has not already been defined.
16000 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16001 Override definition in arm.h with a value of 8.
16003 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16005 * c-pragma.c (push_alignment): Don't check the return value
16008 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16010 * sparc.h (ADJUST_COST): Fix thinko.
16012 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16014 * cccp.c (rescan): Fixed obp pointer handling around call to
16015 check_expand subroutine.
16017 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16019 * gcse.c (delete_null_pointer_checks): Only record non-null info
16020 for pseudos when examining stores.
16022 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16023 splitters for these patterns. Use "#" for output templates.
16024 (addsi3_carryin_shift): New pattern.
16026 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16028 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16029 of the function return register into a plain REG until
16030 after function inlining is done.
16032 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16034 * jump.c (jump_optimize_1): If we did cross-jumping, and
16035 the data will matter, rebuild the CFG.
16036 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16037 not optimizing. Don't run shorten_branches.
16038 * toplev.c (rest_of_compilation): Run shorten_branches after
16041 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16043 * rtl.h (note_stores): Add additional paramter.
16044 * rtlanal.c (reg_set_p_1): Take additional paramter.
16045 (reg_set_last_1): Likewise.
16046 (reg_set_p): Adjust call to note_stores.
16047 (reg_set_last): Likewise.
16048 (note_stores): Pass data parameter to worker function.
16049 * alias.c (record_set): Take additional parameter.
16050 (init_alias_analysis): Pass it.
16051 * caller-save.c (mark_set_regs): Take additional parameter.
16052 (save_call_clobbered_regs): Pass NULL to note_stores.
16053 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16055 (record_dead_and_set_regs_1): Likewise.
16056 (reg_dead_at_p_1): Likewise.
16057 (combine_instructions): Adjust calls to note_stores.
16058 (try_combine): Likewise.
16059 (record_dead_insn): Remove.
16060 (record_dead_and_set_regs): Adjust calls to note_stores.
16061 (reg_dead_at_p): Likewise.
16062 * cse.c (invalidate_skipped_set): Take additional parameter.
16063 (cse_check_loop_start): Likewise.
16064 (cse_check_loop_start_value): Remove.
16065 (cse_set_around_loop): Adjust calls to note_stores.
16066 * flow.c (notice_stack_pointer_modification): Take additional
16067 parameter. Remove duplicate declaration.
16068 (record_volatile_insns): Adjust calls to note_stores.
16069 * gcse.c (record_set_info): Take additional parameter.
16070 (record_last_set_info): Likewise.
16071 (invalidate_nonnull_info): Likewise.
16072 (record_set_insn): Remove.
16073 (compute_sets): Adjust calls to note_stores.
16074 (last_set_insn): Remove.
16075 (compute_hash_table): Adjust calls to note_stores.
16076 (insert_insn_end_bb): Likewise.
16077 (delete_null_pointer_checks): Likewise.
16078 * global.c (mark_reg_store): Take additional parameter.
16079 (mark_reg_clobber): Likewise.
16080 (reg_becomes_live): Likewise.
16081 (global_conflicts): Adjust calls to note_stores.
16082 (build_insn_chain): Likewise.
16083 * integrate.c (note_modified_parmregs): Take additional parameter.
16084 (mark_stores): Likewise. Make it static.
16085 (save_for_inline_nocopy): Adjust calls to note_stores.
16086 (try_constants): Likewise.
16087 * integrate.h (mark_stores): Remove declaration.
16088 * jump.c (mark_modified_reg): Take additional parameter.
16089 (thread_jumps): Adjust calls to note_stores.
16090 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16092 (no_equiv): Likewise.
16093 (reg_is_set): Likewise.
16094 (validate_equiv_mem): Adjust calls to note_stores.
16095 (update_equiv_regs): Likewise.
16096 (block_alloc): Likewise.
16097 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16098 (note_addr_stored): Take additional parameter.
16099 (note_set_pseudo_multiple_uses): Likewise.
16100 (record_initial): Likewise.
16101 (prescan_loop): Adjust calls to note_stores.
16102 (strength_reduce): Likewise.
16103 (check_dbra_loop): Likewise.
16104 * regmove.c (flags_set_1): Take additional paramter.
16105 (mark_flags_life_zones): Adjust calls to note_stores.
16106 * reload1.c (mark_not_eliminable): Take additional parameter.
16107 (forget_old_reloads_1): Likewise.
16108 (reload_cse_invalidate_rtx): Likewise.
16109 (reload_cse_check_clobber): Likewise.
16110 (reload_combine_note_store): Likewise.
16111 (move2add_note_store): Likewise.
16112 (reload): Adjust calls to note_stores.
16113 (reload_as_needed): Likewise.
16114 (emit_reload_insns): Likewise.
16115 (reload_cse_regs_1): Likewise.
16116 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16117 (reload_combine): Adjust calls to note_stores.
16118 * resource.c (update_live_status): Take additional paramter.
16119 (mark_target_live_regs): Adjust calls to note_stores.
16120 * stupid.c (find_clobbered_regs): Take additional parameter.
16121 (stupid_life_analysis): Adjust calls to note_stores.
16123 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16125 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16128 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16131 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16132 of the variable arm_structure_size_boundary.
16134 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16136 * alias.c (init_alias_analysis): Allocate reg_known_value and
16137 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16139 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16140 * cse.c (cse_main): Call end_alias_analysis.
16141 * haifa-sched.c (schedule_insns): Likewise.
16142 * local-alloc. (update_equiv_regs): Likewise.
16143 * reload1.c (reload_cse_regs): Likewise.
16145 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16147 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16148 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16149 mapping from MASK_FPU.
16151 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16153 * sparc.md (call): Don't bound structure return size to 0xfff.
16155 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16157 * resource.c (mark_target_live_regs): Check that the target
16158 insn wasn't created after compute_bb_for_insn.
16160 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16162 * ggc-page.c (poison_pages): Don't be overzealous.
16164 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16166 * alias.c: Update comments for ADDRESS.
16167 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16168 it is a local memory reference.
16170 * c-typeck.c (build_function_call): Check that the built-in
16171 function is of class BUILT_IN_NORMAL before trying to recongize
16172 it as BUILT_IN_ABS.
16173 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16174 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16176 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16178 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16180 (pre_gcse): Likewise.
16181 (hoist_expr_reaches_here_p): Likewise.
16182 (hoist_code): Likewise.
16183 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16185 (pre_expr_reaches_here_p_work): ... here.
16186 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16188 (expr_reaches_here_p_work): ... here.
16190 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16192 * resource.c (find_basic_block): Delete.
16193 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16194 (init_resource_info): Call compute_bb_for_insn.
16196 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16198 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16199 with already adjacent blocks, but no fallthru.
16200 (merge_blocks_move_successor_nojumps): Simplify.
16201 (debug_flow_info): New.
16203 * toplev.c (rest_of_compilation): Open jump1 dump file before
16204 jump and close after, as opposed to just using dump_rtl.
16206 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16208 * reload.h (earlyclobber_operand_p): Declare.
16209 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16210 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16211 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16212 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16214 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16215 Richard Henderson <rth@cygnus.com>
16217 * emit-rtl.c (emit_block_insn_before): New.
16218 (emit_block_insn_after): New.
16219 * basic-block.h: Declare them.
16221 * bitmap.h: Protect from multiple inclusion.
16223 * recog.c (scratch_operand): Handle VOIDmode correctly.
16225 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16227 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16228 * function.c (assign_parms): Likewise.
16229 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16231 * reg-stack.c (max_uid): Remove.
16232 (blocks, block_begin, block_end, block_drops_in): Remove.
16233 (block_stack_in, block_out_reg_set, block_number): Remove.
16234 (struct block_info_def, BLOCK_INFO): New.
16235 (enum emit_where): New.
16236 (current_block): New.
16237 (BLOCK_NUM): Remove.
16238 (mark_regs_pat, record_label_references): Remove.
16239 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16241 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16242 (reg_to_stack): Simplified test for existance of fp code. Use
16243 flow.c code. Call shorten_branches after cross-jump opt.
16244 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16245 Return false if the asm doesn't use stack regs. Don't do life
16246 analysis on the asm.
16247 (emit_pop_insn): Replace function pointer arg `when' with
16248 enum `where'. Update all callers.
16249 (change_stack): Likewise. Update basic block end.
16250 (emit_swap_insn): Use current_block->head to limit reverse search
16251 for start of block. Use emit_block_insn_after.
16252 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16253 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16254 structure assignment instead of bcopy.
16255 (print_stack): New.
16256 (convert_regs_entry, convert_regs_exit): New.
16257 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16258 Work on basic blocks and the CFG.
16259 (convert_regs): Use them.
16261 * i386.c (output_fix_trunc): Remove code for DImode input operand
16262 not at top-of-stack.
16263 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16265 (fix_truncdi_1): Allow any mode scratch.
16267 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16269 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16270 * linux.h, netbsd.h, vms.h: Not here.
16272 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16274 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16275 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16276 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16277 CONDITIONAL_REGISTER_USEAGE): Use them.
16278 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16279 gen_conditional_branch,override_options) : Use them.
16280 * config/mips/mips.md : Use them.
16282 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16284 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16286 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16288 * integrate.c (function_cannot_inline_p): Don't allow inlining
16291 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16293 * c-parse.in (cast_expr): Constify.
16295 * cccp.c (special_symbol): Likewise.
16297 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16299 * dwarf2out.c (base_type_die): Likewise.
16301 * global.c (allocno_compare): Likewise.
16303 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16305 * regclass.c (fix_register): Likewise.
16307 * rtl.h (fix_register): Likewise.
16309 * stupid.c (stupid_reg_compare): Likewise.
16311 * toplev.c (decode_f_option): Likewise.
16313 * tree.c (build_complex_type): Likewise.
16315 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16317 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16319 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16321 * reload.c (find_reloads): Compute mode and nregs fields of all
16323 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16324 (calculate_needs): Use precomputed mode/nregs values.
16325 (allocate_reload_reg): Likewise.
16327 (failed_reload, set_reload_reg): ... new functions.
16328 (choose_reload_regs_init): New function, mostly broken out from...
16329 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16330 Also lose one #if 0 block.
16332 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16334 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16337 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16339 * tree.h (BLOCK_TYPE_TAGS): Remove.
16340 (BLOCK_END_NOTE): Likewise.
16341 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16342 (BLOCK_LIVE_RANGE_START): Likewise.
16343 (BLOCK_LIVE_RANGE_END): Likewise.
16344 (tree_block): Remove live_range_flag, live_range_var_flag, and
16345 type_tags. Remove end_note, live_range_start, and live_range_end.
16346 (remember_end_note): Remove prototype.
16347 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16348 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16350 * ggc-common.c (ggc_mark_tree_children): Don't mark
16351 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16352 * integrate.c (adjust_copied_decl_tree): Remove.
16353 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16354 * stmt.c (last_block_end_note): Remove.
16355 (init_stmt): Don't add a GC root for it.
16356 (expand_fixup): Don't set it.
16357 (remember_end_note): Remove.
16358 (expand_end_bindings): Don't set last_block_end_note.
16360 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16362 * reload1.c (reload_reg_free_for_value_p): Show
16363 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16366 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16368 * expmed.c (extract_bit_field): Allow for the case of non-integer
16369 objects that are smaller than a word (like SFmode on a 64-bit
16372 * loop.c (basic_induction_var): A non-integer variable which is
16373 being set by a paradoxical subreg is probably not a biv.
16375 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16377 * prefix.c (translate_name) Check for empty prefix string.
16379 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16381 * Makefile.in (CPP_CROSS_NAME): New variable.
16382 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16384 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16385 names of the files to be uninstalled.
16387 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16389 * collect2.c (IS_DIR_SEPARATOR): Define.
16390 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16392 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16395 * haifa-sched.c (add_dependence): Update the true dependency
16396 cache the first time we add a true dependence to the LOG_LINKS chain.
16398 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16400 * fold-const.c (fold): Fix comment.
16402 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16404 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16405 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16406 dbxout_start_new_source_file, dbxout_source_file,
16407 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16408 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16410 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16411 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16412 (dbxout_block): Initialize variable `blocknum'.
16414 * dbxout.h (dbxout_init, dbxout_finish,
16415 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16416 dbxout_args, dbxout_source_line): Constify a char*.
16418 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16419 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16420 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16421 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16422 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16423 src_info_attribute, mac_info_attribute, producer_attribute,
16424 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16425 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16426 dwarfout_undef): Constify a char*.
16427 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16429 * dwarfout.h (dwarfout_define, dwarfout_undef,
16430 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16432 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16434 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16435 (MULTILIB_ISA_DEFAULT): New.
16436 (MULTILIB_DEFAULTS): Use it.
16437 * config/mips/mips.c (): Remove the now unnecessary definition
16438 of MIPS_ISA_DEFAULT.
16439 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16440 unnecessary definition.
16442 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16444 * arm.md (pic_load_addr): Add constraints to operand 1.
16446 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16448 * fixinc/genfixes: Provide a means for specifying -D options to
16451 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16453 * arm.c (arm_override_options): Correct initialization of
16454 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16455 arm_is_strong, and arm_is_6_or_7.
16457 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16458 (note_set_pseudo_multiple_uses): New function.
16459 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16460 if a pseudo set in the loop exit is used elsewhere.
16462 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16464 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16466 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16468 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16469 a single load-address pattern.
16471 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16473 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16474 depending on whether or not line-number notes are present.
16476 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16478 * cccp.c (progname, file_buf, default_include, include_file,
16479 macrodef, definition, hashval, wchar_type, user_label_prefix,
16480 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16481 expand_to_temp_buffer, is_system_include, base_name,
16482 absolute_filename, read_name_map, open_include_file,
16483 record_control_macro, check_precompiled, check_preconditions,
16484 pcfinclude, pass_thru_directive, create_definition,
16485 check_macro_name, comp_def_part, collect_expansion,
16486 check_assertion, read_token_list, assertion_install,
16487 assertion_lookup, eval_if_expression, conditional_skip,
16488 validate_else, skip_quoted_string, quote_string, macarg1,
16489 error_from_errno, install, lookup, hashf, dump_defn_1,
16490 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16491 check_white_space, rescan, handle_directive, monthnames,
16492 special_symbol, do_include, remap_include_file, write_output,
16493 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16494 do_ident, do_sccs, do_xifdef, skip_if_group,
16495 output_line_directive, macroexpand, macarg, change_newlines,
16496 initialize_builtins, make_definition): Constify a char*.
16498 * pcp.h (stringdef): Likewise.
16500 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16502 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16505 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16506 Richard Henderson <rth@cygnus.com>
16508 * alias.c: Include ggc.h.
16509 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16510 (record_set): Verify enough room in reg_base_value.
16511 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16512 Register it as a GC root.
16513 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16514 * Makefile.in (alias.o): Depend on ggc.h.
16516 * unroll.c (unroll_loop): Verify the insn before a barrier
16517 is a JUMP_INSN before checking JUMP_LABEL.
16519 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16521 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16522 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16523 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16524 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16525 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16526 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16528 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16530 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16532 * alpha/alpha-interix.h (text_section): Delete prototype.
16533 * alpha/elf.h (text_section): Likewise.
16534 * arm/linux-elf.h (text_section): Likewise.
16535 * arm/linux-telf.h (text_section): Likewise.
16536 * c4x/c4x.h (text_section): Likewise.
16537 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16538 * elfos.h (text_section): Likewise.
16539 * i386/aix386ng.h (text_section): Likewise.
16540 * i386/i386-interix.h (text_section): Likewise.
16541 * i386/sco5.h (text_section): Likewise.
16542 * i386/svr3gas.h (text_section): Likewise.
16543 * nextstep.h (text_section): Likewise.
16544 * psos.h (text_section): Likewise.
16545 * ptx4.h (text_section): Likewise.
16546 * svr3.h (text_section): Likewise.
16547 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16549 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16551 * final.c (peephole): Delete prototype.
16553 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16554 (pre_insert_copies): Remove unused variable `bb'.
16556 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16559 * output.h (peephole): Add prototype.
16561 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16563 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16566 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16568 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16569 for inlined declarations.
16571 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16573 * arm.c (logical_binary_operator): New fucntion.
16574 * arm.h (logical_binary_operator): Declare it.
16575 (PREDICATE_CODES): Handle logical_binary_operator.
16576 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16577 output constraints. Add appropriate splitters.
16578 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16579 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16580 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16582 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16584 * genoutput.c (struct operand_data): New elt eliminable.
16585 (output_operand_data): Write it.
16586 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16587 (compare_operands): Take it into account.
16588 * recog.h (struct insn_operand_data): New elt eliminable.
16589 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16591 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16592 (eliminate_regs): Move code that detects changes to elimination
16593 target regs into new function elimination_effects.
16594 Delete one #if 0 block.
16595 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16596 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16597 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16598 Only call eliminate_regs for real operands of the insn, not for parts
16599 of its structure or parts matched by things like match_operator.
16600 Use elimination_effects and check_eliminable_occurrences. Use
16601 copy_insn to duplicate the pattern when not in the final pass.
16603 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16605 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16608 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16610 * fixinc/README: document the "mach" machine matching test
16611 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16612 * fixinc/fixtests.c: Implement the #else/#endif label test
16613 * fixinc/inclhack.def: utilize these tests and fixes
16614 * fixinc/inclhack.sh: regen
16615 * fixinc/fixincl.x: regen
16616 * fixinc/fixincl.sh: regen
16618 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16620 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16623 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16625 * gcc.1: Document exit codes.
16627 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16629 * calls.c: Include tm_p.h later, so everything we need is defined.
16630 * expr.c: Likewise.
16631 * function.c: Likewise.
16633 * except.c: Include tm_p.h.
16635 * sparc.c: Likewise.
16636 (dwarf2out_cfi_label): Don't prototype.
16637 (check_return_regs, epilogue_renumber,
16638 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16639 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16640 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16641 ultra_schedule_insn): Add static prototype.
16642 (data_segment_operand, text_segment_operand): Call itself with the
16643 proper number of arguments.
16644 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16646 * sparc.h: Move all declarations to sparc-protos.h.
16647 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16650 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16652 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16654 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16655 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16656 ASM_OUTPUT_ASCII): Constify a char*.
16658 * sparc-protos.h: New file for sparc prototypes.
16660 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16662 * function.c (record_insns, contains): Always declare and define.
16663 (record_insns): Mark with ATTRIBUTE_UNUSED.
16665 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16667 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16668 to .section when outputting a .bss section to deal with multiple
16669 .bss input sections (as happens with -fdata-sections)
16670 Also output %progbits, not @progbits so the assembler doesn't treat as
16672 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16674 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16675 thumb parts even when building with non-thumb CPUs, by forcing
16678 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16680 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16681 (movdf_const_intreg_sp64): Similarly.
16683 * local-alloc.c (update_equiv_regs): Check the correct insn
16684 for pre-existing REG_EQUIV notes.
16686 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16688 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16689 block reached by a branch if we're not going to actually process
16692 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16694 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16695 a local extern function declaration.
16697 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16699 * i386.c (ix86_expand_prologue): Properly wrap USE around
16700 reg for CALL_INSN_FUNCTION_USAGE.
16702 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16704 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16705 move between GP_REGs.
16707 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16709 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16710 the mode size when finding out if an offset is legal.
16712 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16714 * basic-block.h (PROP_*): Move constants from ...
16715 * flow.c: ... here.
16716 (compute_bb_for_insn): Free the array before reallocating.
16717 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16718 (allocate_reg_life_data): Reset all reg variables collected by
16720 (get_block_head_tail): Don't convert from bb to block.
16721 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16722 (find_insn_reg_weight): Take block not bb.
16723 (schedule_block): Don't set block num for moved insns.
16724 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16725 (schedule_insns): Do it here instead.
16726 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16727 before update_life_info.
16728 * recog.c (split_all_insns, peephole2_optimize): Update for
16729 new arg to update_life_info.
16730 * rtlanal.c (remove_note): Cope with NULL note.
16731 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16734 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16736 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16738 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16739 block records so that merge_blocks_nomove will clean up correctly.
16740 (split_edge): Handle casesi insns.
16742 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16744 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16746 * pa.md (call, call_value): Do not emit a blockage after restoring
16749 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16751 * c-typeck.c (c_expand_asm_operands): Fix typo.
16753 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16755 * arm.c (fpu_rhs_operand): Verify modes.
16756 (fpu_add_operand): Likewise.
16757 (di_operand): Likewise.
16758 (soft_df_operand): Likewise.
16760 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16762 * arm.c (arm_return_in_memory): APCS rules state that the elements
16763 of a structure returned in a register must be 'integer-like'.
16765 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16767 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16768 in the source tree when the generated targets are out of date
16769 * fixinc/genfixes: Alter it to run individual fixes for make.
16770 * fixinc/README: rewrite
16771 * fixinc/inclhack.def: moved initial comments to README
16773 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16775 * toplev.c (main): Do not generate an error message if an
16776 unrecognised command line switch is recognisable by another
16777 language. If extra_warnings are enabled, then generate a
16778 warning message instead.
16780 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16782 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16783 (insert_pack_attributes): Delete prototype.
16785 * c-pragma.c (default_alignment): New static variable.
16786 (push_alignment): Initialize to current effective alignment.
16787 (pop_alignment): Use to set new alignment.
16788 (insert_pack_attributes): Delete function.
16789 (handle_pragma_token): Set default_alignment as well each time
16790 a #pragma pack(<n>) is encountered.
16792 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16794 * reg-stack.c (stack_result): Aggregates are not returned in
16797 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16799 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16801 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16803 * basic-block.h (set_block_num): Declare.
16804 * flow.c (update_life_info): Don't call compute_bb_for_insn
16805 or free_basic_block_vars.
16806 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16807 (insn_orig_block): Remove.
16808 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16809 (schedule_block): Keep BLOCK_NUM up-to-date.
16810 (schedule_insns): Use compute_bb_for_insn.
16811 * recog.c (split_all_insns): Likewise.
16812 (peephole2_optimize): Likewise.
16814 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16816 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16817 if the pic register is used.
16819 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16821 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16822 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16823 if that tests TREE_PERMANENT.
16825 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16827 * cse.c (invalidate_for_call): Do not remove memory references from
16828 the table here. It's handled elsewhere.
16830 * haifa-sched.c (add_dependence): Protect references to the
16831 true dependency cache with #ifdef INSN_SCHEDULING.
16832 (remove_dependence): Similarly.
16834 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16835 to the cfg code that this is a return instruction.
16836 * mn10300.md (return_internal): Similarly.
16838 * combine.c (get_last_value): If the last set of a register
16839 is after subst_low_cuid, then we can not use it to determine
16840 the register's last value.
16842 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16844 * Makefile.in: Back out previous change.
16846 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16848 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16850 * haifa-sched.c (add_dependence): Only check/update the cache
16852 (remove_dependence): Likewise.
16853 (schedule_insns): Only create the true_dependency_cache if the
16854 average number of instructions in a basic block is very large.
16856 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16858 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16859 (ggc-simple.o): Likewise.
16860 (ggc-page.o): Likewise.
16862 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16864 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16865 Prototype for exported functions.
16866 (pre_lcm, pre_rev_lcm): Remove prototypes.
16867 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16868 (compute_available): Move to lcm.c, and change parameter order.
16869 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16870 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16871 (gcse_main): No longer call compute_preds_succs. Rebuild the
16872 set table after reach pre pass.
16873 (pre_insert_map, pre_delete_map, edge_list): New.
16874 (alloc_pre_mem): Allocate edge vectors.
16875 (free_pre_mem): Delete edge vectors.
16876 (compute_pre_data): Call new edge based lcm routines.
16877 (process_insert_insn): New function.
16878 (insert_insn_end_bb): Use it.
16879 (pre_edge_insert): New function.
16880 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16882 (pre_insert_copies): Revamp using new edge based lcm outputs.
16883 (pre_delete): Likewise.
16884 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16886 (compute_code_hoist_vbeinout): New new edge based routines.
16887 * lcm.c: Remove all the old LCM functions. Replace with new ones
16888 that work with the new cfg datastructures and work with edges
16891 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16893 * reload.h (struct reload): Add new fields "mode" and "nregs".
16894 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16895 to reference the "mode" and "nregs" field within struct reload.
16897 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16899 * haifa-sched.c (true_dependency_cache): New.
16900 (add_dependence): Use the true dependency cache to avoid expensive
16901 walks down the LOG_LINKS dependency list. Add entries to the
16902 cache as necessary.
16903 (remove_dependence): Remove entries from the true dependency cache
16905 (schedule_insns): Allocate and initialize and free the true
16908 * haifa-sched.c (schedule_insns): Do not remove inter-block
16909 dependencies anymore.
16911 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16913 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16914 * i386/t-winnt: Likewise.
16916 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16918 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16920 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16922 * Makefile.in (LANGUAGES): Omit "proto".
16923 (clean): Remove stale comment about removing unprotoize.c.
16925 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16927 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16928 using arithmetic on void pointers.
16930 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16932 * haifa-sched.c (compute_block_forward_dependencies): Only check
16933 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16935 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16937 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16938 (expr_equiv_p): Reject memories with different alias sets.
16940 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16942 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16943 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16944 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16945 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16946 (lang_init): Set default for flag_bounds_check if still "unspecified".
16948 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16950 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16952 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16954 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16957 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16959 * config/c4x/c4x.md (*db_noclobber,
16960 *decrement_and_branch_until_zero_noclobber): New patterns and
16961 associated splitters.
16963 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16965 * config/c4x/c4x.md (parallel instruction patterns): Rework
16966 constraints to keep reload happy.
16968 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16970 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16971 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16972 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16973 Add new patterns and associated post-reload splitters.
16975 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16977 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16979 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16981 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16983 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16985 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16987 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16990 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16992 * pa.c (move_operand): Rely on memory_address_p to determine the
16993 validity of non-indexed memory addresses.
16994 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16995 operand in DFmode and SFmode when generating PA2.0 code.
16997 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16999 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17001 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17003 * mips.c (function_prologue): Fix argument types.
17004 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17005 (casesi_internal): Write to the scratch register.
17007 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17009 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17011 (parse_charconst): Delete unnecessary cast when calling
17013 (cpplib.h): Kill prototype of cpp_parse_escape.
17015 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17017 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17018 * unroll.c (unroll_loop): Cast return value of alloca.
17019 * i370/i370.c: Include function.h and toplev.h.
17020 (i370_label_scan): Remove c++ commented abort.
17021 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17022 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17023 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17024 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17026 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17028 * config/t-freebsd: Do not override USER_H.
17029 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17031 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17032 Mumit Khan <khan@xraylith.wisc.edu>
17034 * c-parse.in (component_decl): Support anonymous struct/union.
17036 * c-parse.y: Regenerate.
17037 * c-parse.c: Likewise.
17038 * objc/objc-parse.y: Likewise.
17039 * objc/objc-parse.c: Likewise.
17040 * c-decl.c (finish_struct): Don't sort the fields.
17041 (field_decl_cmp): Delete unused function.
17043 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17045 * sparc.md (movsf_const_intreg): Revert last constraint change.
17046 (movdf_const_intreg_sp32): Likewise.
17048 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17050 * cse.c: Include hashtab.h instead of splay-tree.h
17051 (struct cse_reg_info): No longer use variant union. Add new
17052 field "regno". All references changed to avoid union.
17053 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17054 (free_cse_reg_info): Remove.
17055 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17056 (get_cse_reg_info): Revamp to use expandable hash tables instead
17057 of splay trees. Initialize new fields in cse_reg_info structure.
17058 (new_basic_block): Similarly.
17060 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17062 * genrecog.c (message_with_line): Prototype.
17063 (validate_pattern): Pass along the set for the dest, not a flag.
17064 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17065 Check for PC/CC0 as sources.
17066 (nodes_identical): Check for children position match before
17067 allowing the combination.
17069 * rtl.c (read_rtx): Track line number across \\\n.
17071 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17073 * mips.h (SPECIAL_MODE_PREDICATES): New.
17074 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17075 (movdi+1, movsi+1): Add output reload constraint.
17076 (casesi_internal): Likewise. Fix commentary.
17077 (return_internal): Use pmode_register_operand.
17079 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17081 * 1750a.md (movstrqi): Add missing output reload constraint.
17082 (call_value): Likewise.
17083 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17084 (jmpfdec): Add missing inout reload constraint.
17085 * elxsi.md (addsi patterns): Add missing output reload constraint.
17086 (move from sp): Use @ alternates.
17087 (call_value): No constraint on output.
17088 * fr30.md (movsi_pop): Add missing output reload constraint.
17089 (movsf_constant_store): Likewise.
17090 (splits): Remove constraints.
17091 (subsi3): Add missing mode.
17092 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17093 (call_value): Likewise.
17094 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17095 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17096 * m32r.md (movsicc_internal): Add output reload constraint.
17097 (movstrsi_internal): Add inout reload constraints.
17098 * m88k.h (reg_names): Don't declare.
17099 (SPECIAL_MODE_PREDICATES): New.
17100 * m88k.md (*): Use register_operand not reg_or_0_operand
17102 * mn10200.h (PREDICATE_CODES): New.
17103 * ns32k.md (ffs pattern): Add output reload constraint.
17104 * pdp11.md (sob pattern): Add inout reload constraint.
17105 * sh.md (splits): Remove constraints.
17106 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17107 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17108 * vax.md (jgequ pattern): Add inout reload constraint.
17110 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17112 * configure.in (djgpp): Revert previous patch.
17113 * configure: Rebuit.
17114 * config/i386/djgpp.h: Revert previous patch.
17116 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17118 * fixinc/inclhack.def: Restore patch lost during last merge of
17119 "no_bogosity" branch.
17120 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17122 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17124 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17125 * fixinc/inclhack.def: Same.
17126 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17128 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17130 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17131 as the base of a PLUS.
17133 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17135 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17136 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17138 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17140 * pa.md (post_stw+1): Use pmode_register_operand.
17141 (dcacheflush, icacheflush): Likewise.
17143 * i386.md (movstricthi_1): Allow r/r.
17145 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17147 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17148 to (not (and (arg0) (arg1))). Similary for and.
17150 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17151 fallthrough to associate code.
17152 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17155 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17156 no bits in common; remove XOR to ROTATE conversion.
17158 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17160 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17162 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17164 * config/c4x/c4x.c (dst_operand): New.
17165 (PREDICATE_CODES): Update.
17166 * config/c4x/c4x.h (dst_operand): Declare it.
17167 * config/c4x/c4x.md: Define mode for each unspec usage.
17168 (move patterns): Use dst_operand predicate instead of src_operand.
17169 (movqi_update, movqf_update): Delete.
17171 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17173 * recog.c (pmode_register_operand): New.
17174 * recog.h: Declare it.
17175 * genrecog.c (pred_codes): Likewise.
17176 (special_mode_pred_table): Likewise.
17177 (validate_pattern): Don't warn no mode for address_operand.
17179 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17180 if the operand is not insn-like.
17182 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17183 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17185 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17187 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17189 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17190 instead of general_operand in a SET_DEST. Use const_double_operand
17191 instead of an explicit test against CONST_DOUBLE.
17192 (movsf_const_lo): Add missing register mode.
17193 (goto_handler_and_restore): Add auxiliary test for Pmode.
17194 (flush): Adjust to use address_operand.
17195 (return_sf_no_fpu): Add missing output constraint.
17197 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17199 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17200 for call return value.
17201 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17203 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17205 * toplev.c (main): Only warn about options for other languages.
17206 * collect2.c (main): Pass -w to sub-gcc.
17208 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17210 * flow.c (propagate_block): Add call-clobbered registers to
17213 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17214 zapping mem_set_list.
17215 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17216 (mark_set_1, mark_used_regs): Likewise.
17218 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17220 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17222 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17224 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17225 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17226 options. Also add a new item "C-only Warning Options" to the
17229 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17231 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17232 from multiple calls.
17234 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17236 * i386.md (call value patterns): Move to the end of the file.
17237 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17239 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17241 * configure.in (djgpp configuration): Define extra_objects..
17242 * configure: Rebuilt.
17243 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17244 (DTORS_SECTION_ASM_OP): Define.
17245 (INIT_SECTION_ASM_OP): Define.
17246 (FINI_SECTION_ASM_OP): Define.
17247 (DATA_SECTION_ASM_OP): Define.
17248 (TEXT_SECTION_ASM_OP): Define.
17249 (EH_FRAME_SECTION_ASM_OP): Define.
17250 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17251 (STARTFILE_SPEC): Add crtbegin.o.
17252 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17253 to here from LINK_COMMAND_SPEC.
17254 (DO_GLOBAL_CTORS_BODY): Define.
17255 (CRTSTUFF_USE_FINI_SECTION): Define
17256 (HAS_INIT_SECTION): Delete.
17258 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17260 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17262 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17264 * pa.h (PREDICATE_CODES): New.
17266 * genrecog.c (validate_pattern): Condense the destination
17267 non-lvalue message.
17269 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17271 * alpha.md (call-1): Supply missing mode for operator.
17272 (*): Add missing output reload constraints. Remove constraints
17273 from define_splits.
17275 * i386.h (SPECIAL_MODE_PREDICATES): New.
17276 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17277 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17278 (addsi_lea_3): Add missing mode for op 3.
17279 (prologue_set_got, prologue_get_pc): Add missing modes.
17280 (*) Add missing output reload constraints.
17282 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17284 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17285 check for member bit-size overflow and use var_size if it occurs.
17286 (layout_record): Use bitsize_int() to define the type size in bits.
17287 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17288 (layout_decl): Likewise when assigning to DECL_SIZE.
17290 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17292 * genrecog.c (validate_pattern): Typo last change. Verify
17293 that output operands have output reloads.
17295 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17297 * genrecog.c (special_mode_pred_table): New.
17298 (NUM_SPECIAL_MODE_PREDS): New.
17299 (find_operand): New.
17300 (validate_pattern): New argument `insn'. Warn for assignment to
17301 any predicate accepting non-lvalues. Conditionaly warn for
17302 match_operand without a mode. Try much harder to match source
17303 and destination modes on a set.
17304 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17306 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17308 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17310 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17312 * combine.c (simplify_logical): Recognize xor pattern that encodes
17315 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17317 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17320 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17322 * ggc-page.c (MAP_FAILED): Provide default.
17324 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17326 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17327 * sparc.h (PREDICATE_CODES): Update.
17329 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17331 * alpha.c (some_ni_operand): New.
17332 * alpha-protos.h: Declare it.
17333 * alpha.h (PREDICATE_CODES): Update.
17334 * alpha.md (sXaddq reload insns): Use some_ni_operand
17335 for SET_DEST instead of some_operand.
17337 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17338 Jim Wilson <wilson@cygnus.com>
17340 * genrecog.c (maybe_both_true_2): Don't compare modes of
17342 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17343 after find_afterward.
17344 (debug_decision_1): Dump next and afterward codes.
17346 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17348 * rtl.c (dump_and_abort): Remove.
17349 (fatal_with_file_and_line): New.
17350 (fatal_expected_char): New.
17351 (read_rtx_lineno, read_rtx_filename): New.
17352 (read_skip_spaces): Track line number.
17353 (read_name): Use fatal_with_file_and_line.
17354 (read_rtx): Use fatal_expected_char. Track line number.
17355 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17357 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17358 if it isn't a CODE_LABEL.
17360 * genattr.c (main): Set read_rtx_filename.
17361 * genattrtab.c (main): Likewise.
17362 * gencodes.c (main): Likewise.
17363 * genconfig.c (main): Likewise.
17364 * genemit.c (main): Likewise.
17365 * genextract.c (main): Likewise.
17366 * genflags.c (main): Likewise.
17367 * genopinit.c (main): Likewise.
17368 * genoutput.c (main): Likewise.
17369 * genpeep.c (main): Likewise.
17371 * genrecog.c (decision_test.u.insn): Add `lineno'.
17372 (pattern_lineno, error_count): New variables.
17373 (message_with_line): New.
17374 (add_to_sequence): Break out checking code to ...
17375 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17376 (merge_insn): Use message_with_line.
17377 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17378 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17380 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17382 * expr.c (store_constructor): Clear union if constructor is empty.
17384 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17386 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17387 Add !endian checks. Change %{...} to %(...).
17389 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17391 * i386.md (*addsi3_cc): Renamed from addcsi3.
17392 (*addsi3_carry): Renamed from addxsi3.
17393 (*subsi3_cc): Renamed from subcsi3.
17394 (*subsi3_carry): Renamed from subxsi3.
17395 (*xorqi_cc_1): Renamed from xorcqi_1.
17396 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17397 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17399 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17401 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17402 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17404 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17406 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17407 climb up the chain of insns.
17409 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17411 * genrecog.c (write_subroutine): Careful for null trees.
17412 (process_tree): Don't elide empty functions.
17414 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17416 * Makefile.in (genrtl.o): Depend on ggc.h.
17417 * configure.in (valloc): Probe for it.
17418 (with-gc): Use ggc-page if valloc present.
17419 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17420 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17421 (ggc_alloc_string): Moved from ggc-page.c.
17422 * ggc-none.c (ggc_alloc_obj): New.
17423 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17424 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17425 (struct globals): Likewise for dev_zero_fd.
17426 (init_ggc): Likewise for it's initialization.
17427 (ggc_allocated_p): Move careful dereference from ...
17428 (ggc_lookup_page_table): ... here. Delete.
17429 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17430 (alloc_anon): Use valloc if no mmap.
17431 (release_pages): Use free if using valloc.
17432 (ggc_alloc_obj): Renamed from alloc_obj.
17433 (ggc_set_mark): Renamed from mark_obj.
17434 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17435 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17436 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17437 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17438 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17439 (ggc_collect): Use fp printing instead of our own rounding.
17440 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17441 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17442 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17443 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17444 (struct ggc_string, struct ggc_any): Delete.
17445 (offsetof): Provide default definition.
17446 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17448 (struct ggc_mem): New, from corpse of ggc_any.
17449 (struct ggc_status): Delete.
17450 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17451 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17452 (n_strings_collected, n_anys_collected): Delete.
17453 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17454 (ggc_alloc_string, ggc_alloc): Delete.
17455 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17456 (ggc_free_string, ggc_free_any): Delete.
17457 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17458 (ggc_compare_addresses, ggc_mark_string): Delete.
17459 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17460 (search_data): Delete.
17461 (struct globals): New.
17462 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17463 (tree_insert, tree_lookup): New.
17464 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17465 (clear_marks, sweep_objs): New.
17466 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17467 (init_ggc): Set allocated_last_gc.
17468 (ggc_push_context): Gut. Use G.context.
17469 (ggc_pop_context): Likewise.
17470 (ggc_pop_context_1): New.
17471 (debug_ggc_tree): New.
17472 (debug_ggc_balance, tally_leaves): New.
17473 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17474 (ggc_mark_string_if_gcable): Remove decl.
17475 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17476 (ggc_mark_rtvec_children): New.
17477 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17478 (ggc_mark_if_gcable): New decl.
17479 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17480 (ggc_alloc_tree, ggc_alloc): Likewise.
17481 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17482 (ggc_alloc_obj): New decl.
17483 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17484 (ggc_alloc_tree, ggc_alloc): Likewise.
17485 (ggc_set_mark): New decl.
17486 * rtl.h (struct rtx_def): Remove gc_mark.
17487 (struct rtvec_def): Likewise.
17488 * tree.h (struct tree_common): Likewise.
17490 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17492 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17493 float_format and thread_file definitions.
17494 * configure: Rebuilt.
17496 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17498 * extend.texi (Function Names): Document types of function names.
17500 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17502 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17503 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17505 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17507 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17509 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17511 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17513 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17515 * collect2.c (main): Do prelimnary link on AIX if rflag.
17517 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17519 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17520 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17522 (__do_global_dtors): similarly for __DTOR_LIST__.
17524 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17525 Diego Novillo <dnovillo@cygnus.com>
17527 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17530 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17532 * fixincl/*: Merged "no_bogosity" branch
17533 * fixincl/fixlib.h: protect against doubly defining t_bool
17534 * fixincl/server.h: protect against doubly defining t_bool
17536 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17538 * genoutput.c: Include toplev.h.
17540 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17542 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17544 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17545 * configure: Regenerate.
17547 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17549 * gcse.c (delete_null_pointer_checks): Returns void.
17551 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17553 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17554 * emit-rtl.c (copy_insn_1): Likewise.
17556 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17558 * config/mips/mips.c (mips_build_va_list): Correct
17559 TREE_CHAIN setting when hard-float.
17560 (mips_va_start): Use corrected setting.
17561 (mips_va_arg): Likewise. Also pass a tree to build of
17562 POSTINCREMENT_EXPR rather than a naked 'int'.
17564 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17566 * ggc.h (ggc_push_context): Fix comment.
17567 (ggc_pop_context): Likewise.
17568 (mark_string_if_gcable): Likewise.
17569 * ggc-common.c (ggc_mark_rtx_children): Use
17570 ggc_mark_string_if_gcable.
17571 * ggc-page.c (ggc_lookup_page_table): New function.
17572 (ggc_allocated_p): Likewise.
17573 (mark_obj): Fix formatting.
17574 (ggc_mark_string_if_gcable): New function.
17575 * ggc-simple.c (ggc_allocated_strings): New variable.
17576 (ggc_strings_used): Likewise.
17577 (ggc_compare_addresses): New function.
17578 (ggc_pop_context): Pop the `any' memory too.
17579 (ggc_mark_string_if_gcable): New function.
17580 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17582 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17584 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17585 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17586 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17589 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17591 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17592 (sched_reg_live_length, sched_reg_basic_block): Delete.
17593 (current_block_num, bb_live_regs, old_live_regs): Delete.
17594 (dead_notes, struct sometimes): Delete.
17595 (sched_note_set, birthing_insn_p): Delete.
17596 (adjust_priority): Gut useless reg lifetime code.
17597 (create_reg_dead_note, attach_deaths): Delete.
17598 (attach_deaths_insn, new_sometimes_live): Delete.
17599 (finish_sometimes_live): Delete.
17600 (find_pre_sched_live, find_post_sched_live): Delete.
17601 (update_reg_usage): Delete.
17602 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17603 (schedule_insns): Delete reg lifetime code.
17604 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17605 (unlink_other_notes): Adjust REG_NOTE commentary.
17606 (reemit_notes): Use REG_SAVE_NOTE.
17607 (schedule_block): Likewise.
17608 (schedule_region): Allocate bitmap of blocks in region. Use
17609 count_or_remove_death_notes. Use update_life_info.
17611 * rtl.h (REG_SAVE_NOTE): New.
17612 * rtl.c (reg_note_name): Update.
17614 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17616 * combine.c (refresh_blocks, need_refresh): New.
17617 (combine_instructions): Allocate refresh_blocks. Invoke
17618 update_life_info if needed.
17619 (distribute_notes): Mark refresh_blocks instead of installing
17621 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17622 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17624 * Makefile.in (recog.o): Depend on basic-block.h.
17626 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17628 * genrecog.c (add_to_sequence): Thinko last change: delete
17629 shadowing allow_const_int variable.
17631 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17633 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17634 __GNUC__ and __GNUC_MINOR__.
17636 * gansidecl.h: Likewise.
17642 * toplev.h: Likewise.
17644 * tree.c: Likewise.
17646 * tree.h: Likewise.
17648 * varray.c: Likewise.
17650 * varray.h: Likewise.
17652 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17654 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17655 use one before a jump table.
17657 * rtl.def (ADDRESS): Change documentation to match reality.
17658 * md.texi: Don't document it.
17659 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17662 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17664 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17666 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17667 known predicate block; default allow_const_int true.
17668 (debug_decision_list): New.
17670 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17672 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17674 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17676 * gcse.c (gcse_main): Avoid global optimizations if we have a
17677 large number of basic blocks and the ratio of edges to blocks
17679 (delete_null_pointer_checks): Likewise.
17681 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17683 * c-common.c (check_format_info): Warn if format string isn't a
17686 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17688 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17689 * configure: regenerate
17691 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17693 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17694 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17695 (peepholes): Re-enable.
17697 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17699 * Makefile.in (flow.o): Depend on TREE_H.
17700 * basic-block.h (REG_SET_EQUAL_P): New.
17701 (XOR_REG_SET): New.
17702 (n_edges): Declare.
17703 (free_regset_vector): Remove declaration.
17704 (flow_delete_insn_chain): Declare.
17705 (enum update_life_extent): New.
17706 (update_life_info, count_or_remove_death_notes): Declare.
17707 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17708 Verify register live at bb->global_live_at_start before adding USE.
17709 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17710 (CLEAN_ALLOCA): New.
17712 (PROP_*): New flags.
17713 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17714 (clear_edges): Zero n_edges.
17715 (make_edge): Increment n_edges.
17716 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17717 (flow_delete_insn_chain): Export.
17718 (delete_block): Decrement n_edges.
17719 (merge_blocks_nomove): Likewise.
17720 (life_analysis): Give life_analysis_1 PROP flags.
17721 (verify_wide_reg_1, verify_wide_reg): New.
17722 (verify_local_live_at_start): New.
17723 (update_life_info): Rewrite to call into propogate_block.
17725 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17726 always mark stack pointer. Conditionally mark PIC register.
17727 After reload, mark call-saved registers, return regsiters.
17728 (life_analysis_1): Accept PROP flags not remove_dead_code.
17729 Call mark_regs_live_at_end before zeroing regs_ever_live.
17730 Use calculate_global_regs_live. Copy global_live_at_end before
17731 calling final propagate_block. Zero reg_next_use on exit.
17732 (calculate_global_regs_live): New.
17733 (allocate_bb_life_data): Don't allocate bb->local_set.
17734 (init_regset_vector, free_regset_vector): Remove.
17735 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17736 Test flags before every operation. Warn if prologue/epilogue insn
17737 would have been deleted.
17738 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17739 Use alloc_EXPR_LIST.
17740 (mark_used_regs): Accept and use FLAGS, not FINAL.
17741 Remove special handling for RETURN.
17742 (try_pre_increment): Use alloc_EXPR_LIST.
17743 (dump_flow_info): Dump n_edges.
17744 (unlink_insn_chain, split_hard_reg_notes): Remove.
17745 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17746 (find_insn_with_note, new_insn_dead_notes): Remove.
17747 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17748 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17749 (replace_insns): Remove.
17750 (count_or_remove_death_notes): New.
17751 (verify_flow_info): Abort on error after all checks.
17752 (remove_edge): Decrement n_edges.
17753 (remove_fake_edges): Tweak format.
17754 * haifa-sched.c (schedule_insns): Use split_all_insns.
17755 * output.h (update_life_info): Remove declaration.
17756 * recog.c (split_all_insns): From the corpse of split_block_insns,
17757 do the whole function block by block. Use update_life_info.
17758 (recog_last_allowed_insn): New.
17759 (recog_next_insn): Mind it.
17760 (peephole2_optimize): Set it. Walk backwards through blocks.
17761 Use update_life_info.
17762 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17763 (split_all_insns): Declare.
17764 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17765 Use split_all_insns.
17767 * i386.md (or -1 peep2s): Disable.
17769 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17771 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17772 a single pattern. Scrap the 'd' versions as unnecessary.
17774 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17775 tablejump_mips162,tablejump_internal4): The operands to a
17776 label_ref must be VOIDmode.
17778 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17780 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17782 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17784 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17786 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17788 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17789 cache every function if ggc_p.
17791 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17793 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17794 instead of copy_rtx. Accept sequences that contain asm statements.
17795 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17796 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17797 orig_asm_operands_vector, copy_asm_operands_vector,
17798 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17800 * rtl.h (copy_insn, copy_insn_1): Declare.
17802 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17804 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17806 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17807 arguments to `current_file_function_operand'.
17809 * genrecog.c: Include hard-reg-set.h and resource.h in the
17810 generated output file.
17812 * real.c: Include tm_p.h.
17814 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17816 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17819 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17821 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17822 before the fctiwz insn.
17824 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17825 Mark Mitchell <mark@codesourcery.com>
17827 * tree.c (make_lang_type_fn): New funtion pointer.
17828 (make_lang_type): Call it.
17829 * tree.h (make_lang_type): Declare.
17830 (make_lang_type_fn): Likewise.
17831 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17833 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17835 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17836 make sure that HIGH instructions are copied into BASE_REGS.
17838 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17840 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17842 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17844 * c-decl.c (finish_struct): Use simpler method of
17845 removing elements of a singly-linked list.
17847 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17849 * alpha.md (peephole2's): Comment out peephole2's that generate
17852 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17854 * genrecog.c (add_to_sequence): Disable mode check for
17857 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17859 * ggc-simple.c (init_ggc): Set empty_string.
17861 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17863 * configure.in: Detect mmap. Add --with-gc=foo to select
17864 garbage collector; default to page if mmap available.
17865 * Makefile.in (GGC): Substitute.
17867 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17869 * c-decl.c (ggc_p): Enable.
17871 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17873 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17875 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17877 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17878 string for little-endian-data.
17880 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17882 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17883 case somebody tries to compile --enable-checking code with gcc
17886 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17888 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17891 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17893 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17894 * jump.c (jump_optimize_1): Document why.
17896 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17898 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17899 pointers and casts for `int_handler' and `quit_handler'.
17901 * flow.c (verify_flow_info, split_hard_reg_notes,
17902 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17903 remove_edge, remove_fake_successors): Add static prototypes.
17904 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17905 (mark_set_1): Initialize variable `regno'.
17906 (unlink_insn_chain): Likewise for variable `curr'.
17907 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17909 * loop.c (strength_reduce): Initialize variable
17910 `unrolled_insn_copies'.
17911 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17912 prototypes. Change these functions to take const PTR parameters
17913 to avoid prototype conflict when used as the comparson argument
17915 (check_dbra_loop): Initialize variable `comparison_val'.
17917 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17918 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17919 (find_valid_class): Initialize variable `best_class'.
17920 (find_reloads): Call memcpy, not bcopy.
17922 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17923 (hard_reg_use_compare): Don't needlessly cast away const.
17924 (reload_reg_class_lower): Likewise.
17925 (choose_reload_regs): Initialize variable `regno'.
17927 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17929 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17931 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17933 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17934 ({,d}discard): Add forward declarations. Declare parameter as
17936 (main_without_main): Explicitly declare return type to be int.
17937 (memcpy): Properly declare.
17939 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17940 building the trampoline support, declare malloc, free, and
17942 (__clear_cache): Mark arguments as potentially unused.
17944 * frame.c (toplevel): If inhibit_libc is defined, declare
17947 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17949 * flow.c (make_edge): Accept an optional 2D bitmap in which
17950 to cache edge existence. Update all callers.
17951 (make_label_edge, make_eh_edge): Pass through the edge cache.
17952 (make_edges): Provide the cache.
17954 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17956 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17958 (local_mbtowc): Change the type of variable `i' from int to size_t.
17960 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17961 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17963 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17965 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17966 after other includes that define the appropriate types. Include
17967 tm_p.h for getting user prototypes.
17968 * ggc-callbacks.c (toplevel): Ditto.
17969 * ggc-none.c (toplevel): Ditto.
17970 * gcc-page.c (toplevel): Ditto.
17971 * ggc-simple.c (toplevel): Ditto.
17973 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17974 Jonathan Larmour <jlarmour@cygnus.co.uk>
17976 * config/mips/mips.c (mips_move_2words): Split doubles if
17977 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17979 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17981 * genrecog.c (struct decision_test): New.
17982 (struct decision): Remove test-related members, sort the rest by size.
17983 (IS_SPLIT): Simplify.
17984 (new_decision, new_decision_test): New.
17985 (add_to_sequence): Use them. No special handling for args of
17987 (maybe_both_true): Renamed from not_both_true; return sense changed.
17988 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17989 of maybe_both_true and adjusted for decision_test.
17990 (position_merit): Remove.
17991 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17992 (merge_accept_insn): New, broken out of merge_trees.
17993 (merge_trees): Use them. No special case for c_test; no node
17994 splitting; use test type instead of position_merit.
17995 (factor_tests): New.
17996 (simplify_tests): New.
17997 (break_out_subroutines): Don't write code now.
17998 (find_afterward): New.
17999 (write_afterward, write_switch, write_cond): New.
18000 (write_action, is_unconditional): New.
18001 (write_node): New. Use them.
18002 (write_tree_1): Rewrite. Use the new functions above.
18003 (write_tree): Remove afterward processing.
18004 (write_subroutine): Simplify function variant emission.
18005 (write_subroutines): New.
18006 (same_codes, clear_codes): Remove.
18007 (same_modes, clear_modes): Remove.
18008 (write_header): New, broken out of main.
18009 (make_insn_sequence): Use new_decision and new_decision_test.
18010 (process_tree): New, broken out of main.
18011 (main): Adjust for merge_trees interface change.
18012 Don't #define operands in the output file.
18013 (record_insn_name): New, broken out of make_insn_sequence.
18014 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18015 (debug_decision): New.
18017 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18019 * resource.c (find_free_register): Mark class_str argument const.
18020 * resource.h: Update prototype to match.
18022 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18023 * i386.md: Give all anonymous insns names.
18025 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18027 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18030 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18032 * toplev.c (dbr_sched_time): Unconditional.
18033 (peephole2_time): New.
18034 (compile_file): Add pass numbers to all of the dump file suffixes.
18035 Dump peephole2_time. Don't dump times for non-applicable passes.
18036 (rest_of_compilation): Add pass numbers to dump file suffixes.
18037 Conditionalize calls to the scheduler.
18038 * invoke.texi: Update.
18040 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18042 * flow.c (make_edges): Fix insn iteration.
18043 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18044 (find_basic_blocks_1): Fix spelling mistake.
18046 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18048 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18049 always have side-effects. Use memset not bzero.
18050 (make_node): Likewise.
18052 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18054 * stmt.c (expand_anon_union_decl): When any of the elements of the
18055 union is addressable, so is the entire union.
18057 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18059 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18061 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18062 * bitmap.c (bitmap_operation): Return true iff TO changed.
18063 (bitmap_equal_p): New.
18064 (bitmap_bit_p): Tidy arithmetic.
18065 (debug_bitmap_file): Likewise.
18067 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18069 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18070 before cse2 instead of after.
18072 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18074 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18077 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18079 * cppinit.c (is_idchar initializer): Loosen tests to accept
18082 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18084 * mips.md: Define conditional move patterns for floating point
18085 operands and DI mode conditions.
18087 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18089 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18090 always have side-effects.
18092 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18094 * mn10200.c (asm_file_start): Fix typo.
18096 * cppinit.c (is_idchar initializer): Tighten tests for when
18097 to put the table into initialized memory.
18099 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18100 not an array of rtunion.
18101 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18102 * gcc-simple (ggc_free_rtvec): Similarly.
18104 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18107 * mbchar.h: Add missing #endif.
18109 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18110 (FPBIT, DPBIT): Define.
18112 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18114 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18116 * profile.c (instrument_arcs, output_gcov_string,
18117 tablejump_entry_p): Add static prototypes.
18118 (output_gcov_string): Constify a char*.
18120 * regmove.c (replacement_quality, fixup_match_2): Add static
18123 * resource.h (reg_dead_p): Add extern prototype.
18125 * rtl.c (trim_filename): Add static prototype.
18127 * scan-decls.c (skip_to_closing_brace): Likewise.
18129 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18130 (expand_end_case): Initialize variable `range'.
18131 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18133 * varasm.c (asm_emit_uninitialised): Add static prototype.
18134 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18137 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18139 * cpplib.c (if_directive_nameo): Add static prototype.
18141 * cse.c (cse_insn): Remove unused variable `p'.
18143 * except.c (create_rethrow_ref, push_entry,
18144 receive_exception_label, new_eh_region_entry, find_func_region,
18145 clear_function_eh_region, process_nestinfo): Add static prototypes.
18146 (get_reg_for_handler): Hide definition.
18147 (process_nestinfo): Initialize variable `extra_handlers'.
18149 * expr.h (expand_builtin_longjmp): Add extern prototype.
18151 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18153 * function.c (prepare_function_start): Likewise.
18154 (pop_function_context_from): Mark parameter `context' with
18156 (push_temp_slots_for_block, flush_addressof): Hide definition.
18158 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18159 solve_program_flow_graph, calculate_branch_probs,
18160 function_summary, main, fancy_abort): Add prototypes.
18162 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18163 (add_hash): Constify a char*.
18165 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18166 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18167 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18169 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18171 * lists.c (free_list, zap_lists): Likewise.
18173 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18175 * alias.c (nonlocal_reference_p): Add static prototype.
18177 * bitmap.c (bitmap_element_allocate): Prototype args in function
18180 * builtins.c (stabilize_va_list): Add static prototype.
18181 (expand_builtin_va_arg): Constify a char*.
18183 * c-lex.c (getch, put_back, extend_token_buffer_to,
18184 read_line_number, token_getch, token_put_back): Add static
18187 * c-parse.gperf (hash, is_reserved_word): Likewise.
18189 * cccp.c (is_dir_separator): Likewise.
18191 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18193 * graph.h: New file to prototype functions exported by graph.c.
18195 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18197 * graph.c: Include graph.h.
18199 * toplev.c: Likewise. Remove redundant prototypes.
18201 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18203 * invoke.texi: Removed duplicated description for -Q.
18205 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18207 * extend.texi: Grammar fix in __extension__ text.
18209 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18211 * md.texi (define_peephole2): New section.
18213 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18215 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18216 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18219 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18221 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18223 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18225 * i386.md (ffs expander): Emit Pentium friendly code for
18228 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18230 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18232 (build1): Likewise.
18234 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18236 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18238 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18240 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18241 register is in use.
18243 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18245 * md.texi (No Constraints): Delete section.
18246 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18247 * final.c (final_scan_insn): We always have register constraints.
18248 * genattrtab.c: Don't include "insn-config.h".
18249 (write_attr_case): We always have register constraints.
18250 * genconfig.c (register_constraint_flag): Delete.
18251 (walk_insn_part): Don't check whether we have register constraints.
18252 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18253 * genoutput.c (have_constraints): Delete.
18254 (main): Don't set it.
18255 (output_operand_data): We always have constraints.
18256 (scan_operands): Likewise.
18257 (compare_operands): Likewise.
18258 * local-alloc.c (block_alloc): We always have constraints.
18259 (requires_inout): Always compile this function.
18260 * recog.c (extract_insn): We always have constraints.
18261 (constrain_operands, reg_fits_class_p): Always compile these
18263 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18265 (struct insn_operand_data): Likewise.
18266 * regclass.c (regclass): We always have constraints.
18267 (record_reg_classes, copy_cost, record_address_regs,
18268 auto_inc_dec_reg_p): Always compile these functions.
18269 * regmove.c (regmove_optimize): We always have constraints.
18270 * reload.c (find_reloads): Likewise.
18271 * reload1.c (reload): Likewise.
18272 (reload_cse_simplify_operands): Likewise.
18273 * i860.c (output_delay_insn): Likewise.
18275 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18277 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18279 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18281 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18282 for the va_list record.
18284 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18286 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18289 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18291 * alias.c: Include insn-flags.h.
18292 * Makefile.in (alias.o): Update.
18294 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18296 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18297 to LTU and GEU. Handle more cases using sbb.
18299 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18301 * i386.md (truncatexfdf splitters): Do not use subreg.
18302 (fop XFmode patterns): Fix mode in operand testing.
18304 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18306 * jump.c (jump_optimize_1): Amend last change to test only the
18307 form of the operand, not the insn.
18309 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18310 not register_operand to determine when B may need preloading.
18312 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18314 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18315 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18316 (call-value patterns): Move to end of file.
18317 (*): Remove mode from label_ref in (pc) context.
18318 (movstrqi): Use memory not general_operand for BLKmode operands.
18319 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18320 to register_operand operands.
18321 (peep2 patterns): Convert from commented-out peephole patterns.
18323 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18325 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18326 to BUILT_IN_INIT_DWARF_REG_SIZES.
18327 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18328 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18329 expand_builtin_init_dwarf_reg_sizes.
18330 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18331 with __builtin_init_dwarf_reg_size_table.
18332 * dwarf2out.c (struct reg_size_range): Delete.
18333 (expand_builtin_init_dwarf_reg_sizes): New function.
18334 (expand_builtin_dwarf_reg_size): Delete.
18335 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18336 (expand_builtin_dwarf_reg_size): Don't declare.
18337 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18338 (dwarf_reg_size_table): New.
18339 (init_reg_size_table): New function.
18340 (copy_reg): Use dwarf_reg_size_table.
18341 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18344 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18346 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18347 Correctly build argument list to constructor and destructor functions.
18349 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18351 * c-tree.h (warn_float_equal): Declare.
18352 * c-decl.c (warn_float_equal): Define.
18353 (c_decode_option): Recognize -W[no-]float-equal.
18354 * c-typeck.c (build_binary_op): Conditionally warn
18355 about equality tests of floating point types.
18356 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18357 * invoke.texi: Add docs for -Wfloat-equal warning.
18359 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18361 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18362 generating RTL directly.
18363 * mips.h (INIT_TARGET_OPTABS): Likewise.
18364 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18366 * expr.h (init_mov_optab): Delete declaration
18368 * h8300.c (WORD_REG_USED): Update to avoid useless register
18369 saves in interrupt functions and functions which never return.
18371 * cse.c (struct set): Delete inner_dest_loc field.
18372 (cse_insn): Remove assignments to inner_dest_loc field.
18374 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18376 * ggc-page.c: Don't include <unistd.h> etc taken care of
18377 by "system.h". Include <sys/mman.h> afterward.
18379 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18381 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18384 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18386 * xcoffout.c (xcoffout_declare_function): Add documentation.
18387 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18388 TARGET_64BIT. Compare constant to -1, not bit pattern.
18389 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18390 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18393 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18395 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18396 origin_die is NULL.
18397 (gen_inlined_enumeration_type_die): Do not abort if the type has
18398 not been writeen out.
18399 (gen_inlined_structure_type_die): Do not abort if the type has
18400 not been writeen out.
18401 (gen_inlined_union_type_die): Do not abort if the type has
18402 not been writeen out.
18403 (gen_tagged_type_instantiation_die): Do not abort if the type
18404 has not been written out.
18406 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18408 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18410 * reg-stack.c (straighten_stack): Copy hard reg set with
18413 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18415 * builtins.c (stabilize_va_list): Stabilize array type va_list
18416 to a pointer type, not the base record type.
18417 (expand_builtin_va_copy): Dereference the pointers explicitly;
18418 use the correct size for the copy.
18420 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18421 (rs6000_va_arg): Likewise.
18423 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18425 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18427 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18429 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18431 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18433 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18435 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18436 (init_ggc): Use it instead of a constant.
18437 (ggc_collect): Bound allocated_last_gc by it.
18439 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18441 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18444 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18446 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18447 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18448 * configure: Regen.
18449 * config/mips/openbsd.h: New, OpenBSD little endian target.
18450 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18451 * config/mips/xm-openbsd.h: New, OpenBSD host.
18453 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18455 * config/m68k/m68k.c (output_function_prologue,
18456 output_function_epilogue): Use
18457 current_function_uses_pic_offset_table instead of regs_ever_live
18458 to decide whether to save/restore pic register.
18459 (legitimize_pic_address): Don't modify regs_ever_live any more.
18461 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18463 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18464 * stor-layout.c (variable_size): Don't add sizes to the pending
18465 sizes list if x_dont_save_pending_sizes_p is set.
18467 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18469 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18470 for symbolic_operand().
18471 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18473 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18475 * combine.c (gen_rtx_combine): Add missing call to va_end().
18477 * final.c (asm_fprintf): Likewise.
18479 * genattrtab.c (attr_rtx): Likewise.
18481 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18483 * cse.c: Update comments.
18484 (cse_insn): When converting a conditional/computed jump into
18485 an unconditional jump, always make sure a BARRIER immediately
18486 follows the converted jump. Do not delete unreachable code.
18487 (cse_basic_block): Do not delete unreachable code.
18488 * toplev.c (rest_of_compilation): Move call to
18489 delete_trivially_dead_insns after the conditional call to
18492 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18494 * collect2.c (make_temp_file): Don't prototype.
18496 * gcc.c (make_temp_file): Likewise.
18498 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18500 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18502 * varasm.c (asm_emit_uninitialised): New function: Generate
18503 the assembler statements necessary to declare an uninitialised
18505 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18507 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18508 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18510 (assemble_variable): Use asm_emit_uninitialised to emit an
18511 uninitialised variable.
18513 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18515 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18516 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18517 <geoffk@cygnus.com>.
18519 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18521 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18522 * c-common.h (builtin_function): Don't declare.
18524 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18526 (pushdecl): Likewise.
18527 (finish_decl): Likewise.
18528 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18529 int. All callers changed.
18530 Set the builtin's DECL_BUILT_IN_CLASS.
18531 * tree.h (enum built_in_class): New.
18532 (enum built_in_function): Delete NOT_BUILT_IN.
18533 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18535 (DECL_SET_FUNCTION_CODE): Likewise.
18536 (DECL_BUILT_IN_CLASS): New macro.
18537 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18538 (struct tree_decl): Split builtin function code field into a
18540 (builtin_function): Declare.
18542 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18544 * optabs.c (init_traps): Fix typo in last change.
18546 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18548 * toplev.c (rest_of_decl_compilation): Update comment.
18550 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18552 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18553 in .sbss if appropriate.
18554 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18555 (SBSS_SECTION_ASM_OP): New macro.
18556 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18557 (EXTRA_SECTIONS): Add in_sbss.
18558 * config/mips/mips.h: Prototype sbss_section.
18560 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18562 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18565 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18567 * optabs.c (init_traps): Register trap_rtx as a GC root.
18569 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18571 * config/mips/mips.c (function_arg_pass_by_reference): Define
18572 unconditionally, since it's called unconditionally.
18574 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18576 * toplev.c (documented_lang_options): Add -fshort-wchar.
18577 * c-decl.c (c_decode_option): Likewise.
18578 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18580 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18581 * gcc.c (default_compilers): If -fshort-wchar,
18582 override __WCHAR_TYPE__.
18583 * tm.texi (C Dialect Options): Add -fshort-wchar.
18585 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18586 symbol for a variable.
18588 * cpplib.h (CPP_PREPROCESSED): New macro.
18589 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18590 we're seeing this input for a second time.
18592 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18594 * emit-rtl.c (init_emit_once): Initialize modes first.
18596 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18598 * config/i386/i386.c (pic_label_name): Change to char pointer.
18599 (global_offset_table): New variable.
18600 (load_pic_register): Fill global_offset_table if it hasn't
18601 already been done. Allocate pic_label_name dynamically.
18602 * ggc.h (empty_string): New variable.
18603 * ggc-simple.c (empty_string): Likewise.
18604 (init_ggc): Allocate empty_string and add as root.
18605 * stmt.c (digit_strings): New variable.
18606 (init_stmt): Add last_block_end_note as root. Allocate and
18607 initialize digit_strings.
18608 (expand_asm_operands): Use empty_string instead of string
18609 constant. Use digit_strings instead of string constants.
18610 * profile.c (init_arc_profiler): Allocate string with
18611 ggc_alloc_string instead of xmalloc.
18612 (output_func_start_profiler): Likewise.
18613 * c-typeck.c (digest_init): Check if init is error_mark_node.
18615 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18616 Richard Henderson <rth@cygnus.com>
18618 * ggc-page.c: New file.
18619 * Makefile.in (ggc-page.o): New.
18621 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18623 * invoke.texi: Document -fdelete-null-pointer-checks
18624 * toplev.c (flag_delete_null_pointer_checks): New.
18625 (f_options): Add entry for -fdelete-null-pointer-checks.
18626 (rest_of_compilation): Conditionalize null pointer check
18627 elimination on flag_delete_null_pointer_checks.
18628 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18630 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18632 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18633 copyright notice and special exception to GPL.
18635 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18637 * abi64.h (mips_function_value): Add prototype arguments.
18639 * mips-protos.h: New file with mips prototypes.
18641 * mips.c: Include "tm_p.h".
18642 (mktemp, lookup_name): Add prototype arguments.
18643 (extern_list, string_constant, mips_fill_delay_slot,
18644 mips_output_external, mips_output_external_libcall,
18645 mips_output_filename, mips_declare_object, function_prologue,
18646 mips_expand_prologue, function_epilogue, mips16_constant,
18647 build_mips16_function_stub, mips_output_conditional_branch):
18649 (mips_va_start): Remove unused variable `u'.
18650 (mips_va_arg): Cast value to unsigned when comparing against one.
18652 (save_restore_insns, mips_expand_prologue): Add missing arg in
18653 call to `large_int'.
18655 * mips.h: Move prototypes to mips-protos.h.
18656 (data_section, memory_address_p, rdata_section,
18657 readonly_data_section, simple_epilogue_p, text_section): Delete
18658 prototypes delcared elsewhere.
18659 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18661 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18663 * mips.md: Delete extra args in call to `mips_move_2words'.
18665 * xm-iris6.h (alloca): Add prototype argument.
18667 * genpeep.c: Include "tm_p.h" in generated output file.
18669 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18671 * basic-block.h (find_edge_index): Change parameters.
18672 * flow.c (verify_edge_list): Pass basic_block parameters to
18673 find_edge_index instead of integers.
18675 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18677 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18680 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18682 * gcc.1: Fix a formatting error.
18684 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18686 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18687 i786, mn10200, mn10300, pdp11, v850.
18689 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18691 * libgcc2.c (num_digits): Add prototype with
18692 __attribute__((const)).
18693 (__terminate): Add prototype.
18695 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18697 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18699 * alpha/alpha.c (print_operand): Fix type of `code'.
18700 (alpha_output_filename): Constify.
18701 * alpha/alpha.h: Move all function declarations ...
18702 * alpha/alpha-protos.h: ... here. New file.
18703 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18704 (SECTION_FUNCTION_TEMPLATE): Likewise.
18706 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18708 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18709 * expr.c (expand_expr): Likewise.
18710 (do_jump): Likewise.
18711 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18712 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18714 (enum can_compare_purpose): New.
18715 (can_compare_p): Adjust prototype.
18716 (prepare_cmp_insn, prepare_operand): Declare.
18717 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18718 * optabs.c (cmp_available_p): Deleted.
18719 (expand_abs): Pass ccp_jump to can_compare_p.
18720 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18721 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18722 Call can_compare_p rather than cmp_available_p.
18723 (prepare_operand): No longer static.
18724 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18725 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18726 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18727 sequence to use emit_cmp_and_jump_insns.
18728 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18730 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18732 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18733 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18734 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18735 (plus (reg) (const_int 0))
18736 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18738 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18740 * rs6000.c (expand_block_move): DImode loads and stores require
18741 word-aligned displacements. Increment address registers with
18742 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18744 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18746 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18747 is no name for the base type, rather than segfault. If we are
18748 writing out a complex integer type, use DW_ATE_lo_user.
18750 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18751 in one word or less (complex char, complex short, or on 64 bit
18752 systems complex float) to/from a hard register, copy it through
18753 memory instead of dying in gen_{real,imag}part. If we have a
18754 short complex type, prevent inlining since it allocates stack
18757 * tree.c (build_complex_type): If we are writing dwarf2 output,
18758 generate a name for complex integer types.
18760 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18762 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18763 * flow.c (remove_edge): Remove extra whitespace.
18764 (remove_fake_edges): Fix comment.
18765 (add_noreturn_fake_exit_edges): Use the correct name.
18767 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18769 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18770 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18771 (clean): Depend on INTL_CLEAN.
18772 (maintainer-clean): Adjust.
18774 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18776 * configure.in (AC_PREREQ): Bump to 2.13.
18777 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18779 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18781 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18783 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18785 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18786 (HAVE_STRINGIZE): Define.
18788 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18790 * c-parse.in: save and restore warn_pointer_arith on __extension__
18791 along with pedantic.
18792 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18793 Set the type of extension to itype rather than $<itype>1 kludge.
18794 * extend.texi (Alternate Keywords): Adjust documentation.
18795 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18797 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18799 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18800 most assembler templates.
18802 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18803 FP loads and stores.
18804 (following_call): Always return zero for the PA8000.
18805 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18806 FP loads and stores.
18807 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18809 * pa.h (BRANCH_COST): Define.
18811 * pa.md (return, return_internal): Use bve for PA2.0.
18813 * pa.md (fused multiply): Add variants which reduce height for the
18814 fused multiply, but which still generate 2 insns.
18815 (fnegabs): Similarly.
18817 * pa.md (subsi3): Turn into an expander. Create two anonymous
18818 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18819 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18821 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18823 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18825 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18826 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18828 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18831 * flow.c (record_active_eh_regions): Terminate loop after finding
18832 the last insn in the last basic block.
18834 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18836 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18838 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18840 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18842 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18844 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18845 splitting to not use output template.
18847 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18849 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18850 * config/c4x/c4x.c (c4x_va_start): New function.
18852 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18854 * genrecog.c (not_both_true): Handle correctly cases when called for
18855 tests with different positions in the insn.
18857 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18859 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18861 * system.h (HOST_PTR_PRINTF): ... to here.
18863 * mips-tfile.c: Don't include machmode.h.
18865 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18866 (mips-tfile.o): Don't depend on machmode.h.
18868 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18870 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18871 avoid conflicts with typedef struct `region' at the top level scope.
18873 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18875 * basic-block.h (basic_block): Add eh_beg, eh_end.
18876 * flow.c (entry_exit_blocks): Update.
18877 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18878 Call new functions.
18879 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18880 lists.c functions to allocate insn lists.
18881 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18883 (make_eh_edge): ... here. New.
18884 (move_stray_eh_region_notes): New.
18885 (record_active_eh_regions): New.
18886 (delete_unreachable_blocks): Split out block merging ...
18887 (try_merge_blocks): ... here. New.
18888 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18889 Dump debugging data.
18890 (merge_blocks_move_successor_nojumps): Likewise.
18891 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18893 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18895 * extend.texi (Bound member functions): Document unbound pmf
18898 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18900 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18901 has the EXIT_BLOCK as a dest.
18903 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18905 * flow.c (remove_edge): New function to remove an edge from the
18907 (remove_fake_successors): New function to remove fake successor edges.
18908 (remove_fake_edges): New function to remove all fake edges from the
18910 (add_fake_exit_edges): New function to add fake edges from all blocks
18911 with no successors to the exit block.
18912 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18913 prototypes for new functions.
18915 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18917 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18918 Use Pmode to determine whether to output .dword or .word.
18920 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18922 * tree.c (built_in_filename): New variable.
18923 (BUILT_IN_FILENAME): New macro.
18924 (init_tree_codes): Allocate built_in_filename.
18925 (make_node): Use built_in_filename instead of string constant.
18927 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18929 * configure.in: Add fr30 target.
18930 * configure: Regenerate.
18931 * config/fr30: New directory.
18932 * config/fr30/crti.asm: New file.
18933 * config/fr30/fr30.c: New file.
18934 * config/fr30/crtn.asm: New file.
18935 * config/fr30/fr30.h: New file.
18936 * config/fr30/fr30.md: New file.
18937 * config/fr30/lib1funcs.asm: New file.
18938 * config/fr30/t-fr30: New file.
18939 * config/fr30/xm-fr30.h: New file.
18941 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18943 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18944 BARRIER at the end of the successor, not the BARRIER before
18947 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18949 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18951 * stmt.c (any_pending_cleanups): Don't crash when
18952 current_function->stmt is unset.
18954 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18956 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18957 other initializations that may use it for relative offsets.
18959 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18961 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18962 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18963 * config/i386/sol2dbg.h: Removed.
18964 * config/i386/sol2gas.h: New file, to enable gas work-around.
18965 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18966 Don't use sol2dbg.h.
18967 * configure: Rebuilt.
18969 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18971 * invoke.texi (-fthis-is-variable): Remove documentation.
18973 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18975 * basic-block.h (compute_bb_for_insn): Declare.
18976 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18977 to use; set size of basic_block_for_insn directly.
18978 (find_basic_blocks): Update.
18980 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18982 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18984 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18986 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18987 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18989 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18991 * c-decl.c (c_decode_option): Extend comment.
18993 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18995 * toplev.c (progname): Make 'const char *'
18996 (flag_print_mem): Move out of main.
18997 (version_flag): Move out of main.
18998 (filename): Move out of main.
18999 (debug_args): Remove g prefix from options.
19000 (documented_lang_options): Remove cpplib specific options.
19001 (display_help): Add g prefix to debug options.
19002 (check_lang_option): Delete this function.
19003 (decode_d_option): New function: Decode -d... option.
19004 (decode_f_option): New function: Decode -f... option.
19005 (decode_W_option): New function: Decode -W... option.
19006 (decode_g_option): New function: Decode -g... option.
19007 (independent_decode_option): New function: Decode a language
19008 independent command line option.
19009 (main): Invoke lang_decode_option and then
19010 independent_decode_option on each command line option in
19013 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19015 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19016 * fold-const.c (fold_range_test): Do not try to fold the range
19017 test if the rhs or lhs has side effects.
19019 * basic-block.h (compute_flow_dominators): Declare.
19021 * gcse.c (alloc_code_hoist_mem): New function.
19022 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19023 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19024 (hoist_code, one_code_hoisting_pass): Likewise.
19025 (gcse_main): If optimizing for size, then hoist expressions
19026 computed in multiple dominated basic blocks.
19028 * gcse.c (invalid_nonnull_info): New function.
19029 (delete_null_pointer_checks): Likewise.
19030 * rtl.h (delete_null_pointer_checks): Declare.
19031 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19033 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19034 (merge-blocks_move_successor_nojumps): Likewise.
19035 (merge_blocks): Allow merging of some blocks, even if it requires
19036 physical movement of the blocks, but not if it requires new jumps.
19038 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19039 Callers and prototype changed.
19040 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19042 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19044 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19045 -YP when both -p and -pg are present. From i386/sol2.h.
19047 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19049 * Makefile.in (distclean): Delete tm_p.h.
19050 * configure.in: Create a new file, "tm_p.h", from a list in
19051 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19052 "i386/i386-protos.h".
19054 * alias.c: Include "tm_p.h".
19055 * c-typeck.c: Likewise.
19056 * calls.c: Likewise.
19058 * emit-rtl.c: Likewise.
19059 * explow.c: Likewise.
19060 * expmed.c: Likewise.
19061 * expr.c: Likewise.
19062 * final.c: Likewise.
19063 * flow.c: Likewise.
19064 * fold-const.c: Likewise.
19065 * function.c: Likewise.
19066 * gcse.c: Likewise.
19067 * global.c: Likewise.
19068 * haifa-sched.c: Likewise.
19069 * integrate.c: Likewise.
19070 * jump.c: Likewise.
19071 * local-alloc.c: Likewise.
19072 * loop.c: Likewise.
19073 * optabs.c: Likewise.
19074 * recog.c: Likewise.
19075 * reg-stack.c: Likewise.
19076 * regclass.c: Likewise.
19077 * regmove.c: Likewise.
19078 * reload.c: Likewise.
19079 * reload1.c: Likewise.
19080 * reorg.c: Likewise.
19081 * resource.c: Likewise.
19082 * stmt.c: Likewise.
19083 * stor-layout.c: Likewise.
19084 * toplev.c: Likewise.
19085 * tree.c: Likewise.
19086 * unroll.c: Likewise.
19087 * genattrtab.c (main): Make generated file include "tm_p.h".
19088 * genemit.c (main): Likewise.
19089 * genoutput.c (main): Likewise.
19090 * genrecog.c (main): Likewise.
19092 * i386.h: Delete all prototypes.
19093 * i386.c: Include "tm_p.h".
19094 (ix86_attr_length_default): Call constant_call_address_operand
19095 with correct number of arguments.
19096 * i386-protos.h: New file.
19097 * i386.md (unnamed patterns): Call constant_call_address_operand
19098 with correct number of arguments.
19099 (exception_receiver): Call load_pic_register with correct number
19102 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19104 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19106 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19108 * rtl.h (insns_safe_to_move_p): New function.
19109 * loop.c (find_and_verify_loops): Use it.
19110 * rtlanal.c (insns_safe_to_move_p): Define it.
19112 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19114 * c-pragma.c: Include ggc.h.
19115 * Makefile.in (c-pragma.o): Update.
19117 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19119 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19120 (LIB_SPEC): Likewise.
19121 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19122 Reindent -YP/-p/-pg.
19123 Copied from config/sparc/sol2.h.
19125 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19127 * c-pragma.c (mark_align_stack): New.
19128 (init_pragma): New.
19129 * c-pragma.h (init_pragma): Declare it.
19130 * c-lex.c (init_parse): Call it.
19132 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19134 * configure.in: Pick up thread library on Solaris/x86 just
19135 like on Solaris/sparc.
19136 * configure: Rebuilt.
19138 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19140 * rtl.h (global_rtx_index): New enum.
19141 (global_rtl): Change to array of rtx.
19142 (pc_rtx, cc0_rtx): Redefine accordingly.
19143 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19144 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19145 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19146 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19147 (const_int_rtx): Change to array of rtx.
19148 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19150 * emit-rtl.c (global_rtl): Change to array of rtx.
19151 (const_int_rtx): Change to aray of rtx.
19152 (gen_rtx_CONST_INT): Redefine accordingly.
19153 (init_emit_once): Allocate and initialize global_rtl. Likewise
19154 for const_int_rtx. Add both as GC roots.
19155 * genattrtab.c (global_rtl): Update declaration.
19157 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19159 * Makefile (USER_H): Add iso646.h back.
19161 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19163 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19164 zapping the LOG_LINKS of sched_before_next_call.
19166 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19167 * pa.c (insn_refs_are_delayed): Renamed from
19168 insn_sets_and_refs_are_delayed.
19170 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19172 * functiion.h (struct function): Add x_whole_function_mode_p.
19173 (retrofit_block): Declare.
19174 * function.c (retrofit_block): New function.
19175 (identify_blocks): Add assertions. Allow an incomplete set of
19176 block notes if we're still generating code for the function.
19177 * integrate.c: Include loop.h.
19178 (expand_inline_function): Call find_loop_tree_blocks to map block
19179 notes to blocks when in whole-function mode. Use retrofit_block
19180 to insert new BLOCKs for the inlined function, rather than
19182 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19183 * Makefile.in (integrate.o): Depend on loop.h.
19185 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19187 * tree.h (warn_about_unused_variables): Declare.
19188 * stmt.c (warn_about_unused_variables): New function, split out
19190 (expand_end_bindings): Here.
19192 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19194 * stmt.c (preserve_subexpressions_p): Don't crash when
19195 current_function->stmt is unset.
19197 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19199 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19200 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19201 (expand_start_target_temps): Use it.
19202 * except.c (expand_eh_region_start_for_decl): Likewise.
19203 * expr.c (expand_expr): Likewise.
19205 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19207 * fold-const.c (operand_equal_p): Pay attention to side effects.
19209 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19211 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19212 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19214 * tlink.c (scan_linker_output): Look for keywords before accepting
19215 a mangled name in quotes.
19217 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19219 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19220 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19222 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19224 * alpha.md: Revert Thu Nov 26 change that came in through the
19225 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19226 Avoid earlyclobber when possible.
19228 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19230 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19232 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19233 Define HAVE_ON_EXIT.
19235 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19237 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19238 CTYPE_CONV in all ctype macros.
19240 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19243 * cexp.y (initialize_random_junk): Likewise.
19245 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19247 * i370.c (handle_pragma): Likewise.
19249 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19251 * v850.c (override_options): Likewise.
19253 * doprint.c (_doprnt): Likewise.
19255 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19258 * fixinc/server.c (load_data): Likewise.
19260 * fold-const.c (real_hex_to_f): Likewise.
19262 * genattr.c (write_upcase, gen_attr): Likewise.
19264 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19265 write_upcase): Likewise.
19267 * genemit.c (print_code): Likewise.
19269 * genopinit.c (gen_insn): Likewise.
19271 * genpeep.c (print_code): Likewise.
19273 * genrecog.c (print_code): Likewise.
19275 * optabs.c (init_libfuncs): Likewise.
19277 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19279 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19281 (reemit_notes): Likewise.
19283 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19285 * ggc.h (ggc_root): Move to ggc-common.c.
19287 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19288 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19289 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19290 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19291 * ggc-common.c (ggc_root): Move from ggc.h.
19292 (roots): Declare, static.
19293 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19294 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19295 null or check/set mark bit.
19296 (ggc_mark_roots): New.
19297 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19299 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19301 * m32r.c: Include toplev.h.
19302 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19303 (gen_compare): Rename swap_p to must_swap to match uses.
19304 Add default abort case.
19305 (m32r_output_function_epilogue): Remove unused variables.
19306 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19307 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19308 define to empty parameter list. Update all uses.
19309 (predicate decls): Use enum machine_mode not int.
19310 * m32r.md (movsi): Call abort, not fatal_insn.
19311 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19313 1999-09-14 Andrew Haley <aph@cygnus.com>
19315 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19316 use $0 instead of 0.
19318 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19320 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19321 computation out of loop over hard regs.
19323 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19325 * function.c (identify_blocks): Don't shadow a variable in an
19327 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19328 pushdecl, or poplevel to build up the new BLOCK tree.
19329 (expand_inline_function): Likewise.
19330 (integrate_parm_decls): Likewise.
19332 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19334 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19336 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19338 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19339 * invoke.texi: Document this change.
19341 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19343 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19345 (mark_emit_status): Renamed from mark_emit_state.
19346 * except.c (mark_eh_status): Renamed from mark_eh_state.
19347 Check not null before marking.
19348 (free_eh_status): New.
19349 * expr.c (mark_expr_status, free_expr_status): New.
19350 * function.c (free_machine_status): New.
19351 (free_after_parsing): New.
19352 (free_after_compilation): Move bits to free_after_parsing; call
19353 free_eh_status, free_expr_status; zero the marked members of the
19355 (prepare_function_start): No can_garbage_collect.
19356 Call init_eh_for_function.
19357 (expand_dummy_function_end): Free up current_function state.
19358 (mark_function_status): Renamed from mark_function_state.
19359 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19360 * function.h (struct function): No can_garbage_collect.
19361 (free_machine_status, free_after_parsing): Declare.
19362 (free_eh_status, free_expr_status): Declare.
19363 * ggc.h (mark_expr_status): Declare.
19364 * stmt.c (free_stmt_status): Free the struct.
19365 (mark_stmt_status): Renamed from mark_stmt_state.
19366 (init_stmt): Don't call init_eh.
19367 (init_stmt_for_function): Don't call init_eh_for_function.
19368 * toplev.c (compile_file): Call init_eh.
19369 (rest_of_compilation): Free basic block info before ggc_collect.
19370 Call free_after_parsing; conditionally call free_after_compilation.
19371 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19372 Check not null before marking.
19373 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19375 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19377 * c-lex.c (yylex): Initialize warn.
19379 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19381 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19382 register when performing secondary reloads for the SAR register.
19384 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19386 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19387 (NOTE_BLOCK): New macro.
19388 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19389 * function.h (identify_blocks): Change prototype.
19390 * function.c (identify_blocks): Simplify.
19391 (reorder_blocks): Likewise.
19392 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19393 NOTE_INSN_BLOCK_{BEG,END}.
19394 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19395 the list of saved notes if the note isn't a
19396 NOTE_INSN_BLOCK_{BEG,END}.
19397 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19399 (reemit_notes): Adjust recreation of notes to reflect new saved
19401 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19402 printing a block note.
19403 * stmt.c (block_vector): Remove.
19404 (find_loop_tree_blocks): Simplify.
19405 (unroll_block_trees): Likewise.
19406 * tree.h (reorder_block): Change prototype.
19408 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19410 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19411 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19412 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19413 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19414 (atexit, exit): Simplify.
19415 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19416 * config/lots: Remove defns of HAVE_ATEXIT.
19418 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19420 * calls.c (precompute_arguments): Fix typo in comment.
19421 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19424 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19426 * dsp16xx.c (override_options): Fix typos in GC root registration.
19428 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19430 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19431 from config/svr4.h.
19432 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19433 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19434 (CC1_SPEC): Likewise.
19436 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19438 * genattr.c (main): Add extern prototype. Call return, not exit.
19439 * genattrtab.c (main): Likewise.
19440 * gencheck.c (main): Likewise.
19441 * gencodes.c (main): Likewise.
19442 * genconfig.c (main): Likewise.
19443 * genemit.c (main): Likewise.
19444 * genextract.c (main): Likewise.
19445 * genflags.c (main): Likewise.
19446 * gengenrtl.c (main): Likewise.
19447 * genopinit.c (main): Likewise.
19448 * genoutput.c (main): Likewise.
19449 * genpeep.c (main): Likewise.
19450 * genrecog.c (main): Likewise.
19452 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19453 * genattrtab.c (get_insn_name): Likewise.
19454 * gencodes.c (get_insn_name): Likewise.
19455 * genconfig.c (get_insn_name): Likewise.
19456 * genemit.c (get_insn_name): Likewise.
19457 * genextract.c (get_insn_name): Likewise.
19458 * genflags.c (get_insn_name): Likewise.
19459 * genopinit.c (get_insn_name): Likewise.
19460 * genpeep.c (get_insn_name): Likewise.
19462 * gencheck.c (usage): Add static prototype.
19463 * genextract.c (print_path): Constify a char*.
19464 * genopinit.c (optabs): Likewise.
19465 * genoutput.c (operand_data, data, output_predicate_decls,
19466 compare_operands): Likewise.
19467 * genrecog.c (write_tree): Add default case in switch.
19469 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19471 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19473 * print-rtl.c (get_insn_name): Remove prototype.
19475 * toplev.h (progname): Declare const.
19477 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19478 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19479 dump_sched_info, dump_local_alloc, regset_release_memory,
19480 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19481 error_with_file_and_line, error_with_decl, error_for_asm, error,
19482 fatal, warning_with_file_and_line, warning_with_decl, warning,
19483 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19484 Remove redundant prototypes.
19486 (notice, check_lang_option, report_file_and_line, vnotice,
19487 mark_file_stack): Add static prototype.
19488 (set_fatal_function): Add prototype.
19489 (vnotice, report_file_and_line, set_fatal_function,
19490 check_lang_option): Constify a char*.
19491 (main): Prototype. Call return, not exit.
19493 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19495 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19497 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19499 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19501 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19503 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19505 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19506 behave as if it's zero in all cases.
19507 (expand_function_start): Adjust call to assign_parms.
19508 * tree.h (assign_parms): Adjust prototype.
19509 * objc/objc-act.c (hack_method_prototype): Adjust call to
19512 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19514 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19515 arg_pointer_rtx fixed if the argument pointer register is
19517 (NONZERO_BASE_PLUS_P): Likewise.
19519 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19521 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19522 match_insn2 to match_insn.
19523 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19525 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19527 * Makefile.in (USER_H): Remove va-foo.h.
19529 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19530 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19531 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19532 va-spur.h,va-v850.h}: Remove.
19534 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19536 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19537 (in_return_delay): Use it instead of match_insn.
19539 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19541 * config/alpha/va_list.h (va-alpha.h): Do not include.
19542 (__gnuc_va_list): Typedef as in varargs.h.
19544 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19546 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19547 DECL_LIVE_RANGE_RTL.
19549 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19551 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19552 not NOTE_BLOCK_NUMBER.
19553 (expand_eh_region_end): Likewise.
19554 (find_exception_handler_labels): Likewise.
19555 (scan_region): Likewise.
19556 (exception_optimize): Likewise.
19557 (update_rethrow_references): Likewise.
19558 (set_insn_eh_region): Likewise.
19559 * final.c (final_scan_insn): Likewise.
19560 * flow.c (make_edges): Likewise.
19561 * integrate.c (expand_inline_function): Likewise.
19562 * print-rtl.c (print_rtx): Likewise.
19564 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19566 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19567 terms of builtin functions and types.
19569 * mips.c (mips_build_va_list): New.
19570 (mips_va_start, mips_va_arg): New.
19571 * mips.h (BUILD_VA_LIST_TYPE): New.
19572 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19574 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19575 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19576 * sh.h (BUILD_VA_LIST_TYPE): New.
19577 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19579 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19581 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19582 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19583 (struct insn_data): Likewise with n_operands, n_dups,
19584 n_alternatives, output_format.
19585 * regclass.c (scan_one_insn): Cast n_operands to int before
19586 arithmetic inside comparison.
19588 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19590 * toplev.c (compile_function): Unconditionally emit nop.
19592 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19594 * haifa-sched.c (actual_hazard): Move declaration of variable
19595 `this_cost' into the scope where it is used.
19597 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19599 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19600 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19601 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19603 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19605 * jump.c (find_insert_position): Don't declare or define unless
19606 !HAVE_conditional_arithmetic.
19607 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19609 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19611 * recog.c (offsettable_address_p): Prototype function pointer.
19612 (preprocess_constraints): Call memset, not bzero.
19614 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19615 (gcc_obstack_init): Don't declare.
19616 (fix_sizetype): Add static prototype.
19617 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19618 (tree_cons): Call memset, not bzero.
19620 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19621 definition in macro ASM_WEAKEN_LABEL.
19622 (mark_const_hash_entry): Add static prototype.
19624 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19626 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19628 * unroll.c (find_common_reg_term, subtract_reg_term,
19629 loop_find_equiv_value): Add static prototypes.
19630 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19631 (copy_loop_body): Remove unreachable break statement.
19633 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19635 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19637 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19639 Undo some changes from the gcc2 merge:
19640 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19641 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19645 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19646 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19647 initialized float-int union if the value is a NaN.
19649 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19651 * gthr-win32.h: New file.
19653 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19654 shared as a valid attribute.
19655 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19656 * extend.texi: Document `shared' variable attribute.
19658 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19660 * configure.in: Handle --enable-threads on FreeBSD.
19661 * configure: Rebuit.
19663 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19665 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19667 * configure: Rebuilt.
19669 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19670 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19671 Rosimildo DaSilva <rdasilva@connecttel.com>
19673 * configure.in (m68k-*-rtemscoff*): Added.
19674 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19675 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19676 sparc-rtems configuration.
19677 * configure.in (sparc-*-rtemself*): Added.
19678 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19679 * config/i386/rtems.h: Added comment.
19680 * config/sparc/rtemself.h: New file.
19682 * configure.in (m68k-rtemself): Added.
19683 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19684 and DWARF_DEBUGGING_INFO.
19685 * config/m68k/crti.s: New file.
19686 * config/m68k/crtn.s: New file.
19687 * config/m68k/t-crtstuff: New file.
19688 * config/m68k/rtemself.h: New file.
19690 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19691 global ctor/dtor and C++ exception handling.
19692 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19693 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19695 * config/i386/t-rtems-i386: New File.
19697 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19699 * stmt.c (expand_end_case): Return right away if the case stack is
19702 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19704 * Makefile.in (version.c): Remove rule incorrectly brought in from
19707 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19709 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19710 * msdos/top.sed: Take into account a prepended $(SHELL) to
19712 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19714 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19716 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19718 * regmove.c (fixup_match_1): Don't change an unchanging register.
19719 (stable_but_for_p): Renamed to:
19720 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19721 Changed all callers.
19723 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19725 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19726 insn from BL2 is after the insn from BL.
19728 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19730 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19731 (struct insn_data): Merge `template' and `outfun' into `output'.
19732 Add `output_format'.
19733 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19734 (struct data): Remove `outfun'; add `output_format'.
19735 (name_for_index): Remove declaration.
19736 (output_insn_data): Handle output formats.
19737 (process_template): Emit the bare array for @.
19738 (gen_expand, gen_split): Set output_format to NONE.
19739 * output.h (get_insn_template): Declare.
19740 * final.c (get_insn_template): New.
19741 (final_scan_insn): Use it.
19742 * toplev.c (compile_file): Likewise.
19744 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19745 * i860/i860.c (output_delayed_branch): Likewise.
19746 (output_delay_insn): Likewise.
19748 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19750 * rtl.c (obstack_alloc_rtx): Removed.
19752 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19754 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19756 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19758 * i386.c (call_insn_operand): Reject const_int.
19759 (expander_call_insn_operand): Use call_insn_operand.
19761 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19763 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19765 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19767 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19768 Use DImode operation.
19770 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19772 * gcc.c: Include sys/resource.h.
19773 (report_times): New flag.
19774 (execute): If report_times is set, calculate and report the
19775 CPU time consumed by each subprocess.
19777 (rus, prus): New globals.
19778 (option_map): Add --time.
19779 (display_help): Document -time.
19780 (process_command): Set report_times if -time is given.
19781 Turn off -pipe if -time is given.
19783 * invoke.texi: Document new option -time.
19785 * configure.in: Check for getrusage. Check if we have to
19786 prototype getrusage.
19787 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19788 * configure: Regenerate.
19789 * config.in: Regenerate.
19791 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19793 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19796 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19798 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19799 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19800 (nan): Return _thenan_sf or _thenan_df as appropriate.
19801 (L_thenan_sf): Define _thenan_sf.
19802 (L_thenan_df): Define _thenan_df.
19804 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19805 (DPBIT_FUNCS): Add _thenan_df.
19807 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19809 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19812 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19814 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19817 (lang_specific_driver): Don't take a function pointer parameter.
19818 All callers changed.
19820 * gcc.c: Include gcc.h.
19821 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19822 lang_specific_extra_outfiles, fatal): Don't declare.
19823 (multilib_defaults_raw): Constify.
19824 (read_specs): Call memset, rather than bzero.
19825 (main): Call return, not exit.
19826 (lookup_compiler): Call memcpy, not bcopy.
19827 (fatal): Make extern.
19829 * cppspec.c: Include gcc.h.
19830 (lang_specific_driver): Initialize variable `quote'. Constify a
19831 char*. All calls to the function pointer parameter now
19832 explicitly call `fatal'.
19834 * gccspec.c (lang_specific_driver): Include gcc.h.
19836 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19838 * arm.c (note_invalid_constants): Use recog_data.operand_type
19841 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19843 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19846 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19847 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19848 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19849 reload_secondary_in_reload, reload_secondary_out_reload,
19850 reload_secondary_in_icode, reload_secondary_out_icode,
19851 reload_reg_rtx, reload_when_needed): Delete declarations.
19852 (struct reload): New structure.
19853 (rld): Declare new array.
19854 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19855 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19856 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19857 reload_secondary_in_reload, reload_secondary_out_reload,
19858 reload_secondary_in_icode, reload_secondary_out_icode,
19859 reload_reg_rtx, reload_when_needed): Delete definitions.
19861 (whole file): Replace uses of the deleted arrays with uses of rld.
19862 * reload1.c (whole file): Replace uses of the deleted arrays with
19864 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19865 explicit loops, not with bcopy.
19867 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19869 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19870 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19871 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19872 insn_name): Delete and consolidate into new structures.
19873 (insn_operand_predicate_fn): New.
19874 (insn_output_fn): New.
19875 (insn_gen_fn): New.
19876 (struct insn_operand_data): New.
19877 (struct insn_data): New.
19879 (OUT_FCN): Update for insn_data change.
19880 * builtins.c (expand_builtin_strlen): Likewise.
19881 (expand_builtin_memcmp): Likewise.
19882 * combine.c (make_extraction, simplify_comparison): Likewise.
19883 * cse.c (canon_reg, cse_insn): Likewise.
19884 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19885 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19886 (emit_store_flag): Likewise.
19887 * expr.c (convert_move, emit_block_move): Likewise.
19888 (clear_storage, emit_push_insn, expand_increment): Likewise.
19889 (do_store_flag): Likewise.
19890 * expr.h (GEN_FCN): Likewise.
19891 (insn_gen_function): Die.
19892 * final.c (final_scan_insn): Update for insn_data change.
19893 (output_asm_name): Likewise.
19894 * function.c (fixup_var_refs_1): Likewise.
19895 * loop.c (check_dbra_loop): Likewise.
19896 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19897 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19898 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19899 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19900 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19901 * regmove.c (gen_add3_insn): Likewise.
19902 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19903 (find_reloads, find_reloads_address_1): Likewise.
19904 (debug_reload_to_stream): Likewise.
19905 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19906 * stmt.c (expand_end_case): Likewise.
19907 * toplev.c (compile_file): Likewise.
19909 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19910 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19912 * print-rtl.c (insn_name_ptr): Remove declaration.
19913 (get_insn_name): Declare.
19914 (print_rtx): Use it.
19915 * genoutput.c (insn_name_ptr): Remove.
19916 (next_operand_number): New.
19917 (struct operand_data): New.
19918 (null_operand, odata, odata_end): New.
19919 (struct data): Use struct operand_data.
19920 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19921 (get_insn_name): Renamed from name_for_index.
19922 (output_prologue): Define NO_MD_PROTOTYPES.
19923 (output_predicate_decls): Break out from output_epilogue.
19924 Iterate over the operands list.
19925 (output_operand_data): Break out from output_epilogue. Emit
19926 just the operands list.
19927 (output_insn_data): Break out from output_epilogue. Emit just
19929 (output_epilogue): Remove.
19930 (output_get_insn_name): New.
19931 (constraints, op_n_alternatives, predicates, address_p): Die.
19932 (modes, strict_low, seen): Die.
19933 (scan_operands): Take new param `d' instead of writing to
19934 seven global variables.
19935 (compare_operands): New.
19936 (place_operands): New.
19937 (validate_insn_alternatives): Update for struct data change.
19938 (gen_insn): Don't zero or copy 7 global arrays. Update for
19939 scan_operands; call place_operands.
19940 (gen_peephole, gen_expand, gen_split): Likewise.
19941 (main): Update for new output routines.
19943 * genattr.c (insn_name_ptr): Remove.
19944 (get_insn_name): New function.
19945 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19946 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19947 * genrecog.c: Likewise.
19949 * alpha.md (adddi3): Make `pattern' array static.
19951 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19953 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19954 c4x_cpu_version_string): Constify char *.
19955 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19956 c4x_cpu_version_string): Likewise.
19958 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19960 * tree.c (save_tree_status): Revert 10 Sep change.
19961 (restore_tree_status): Likewise. Call obstack_free with NULL
19962 before freeing the obstack proper.
19964 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19966 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19968 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19969 surrounding context.
19971 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19973 * tree.c (type_hash_canon): Put all types in the hash-table, when
19976 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19978 * recog.h (struct recog_data, recog_data): New.
19979 (recog_foo variables): Kill.
19980 * recog.c (recog_operand, recog_operand_loc): Kill.
19981 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19982 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19983 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19984 (recog_data): Define.
19985 (extract_insn): Update all recog_foo references to use recog_data.
19986 (preprocess_constraints, constrain_operands): Likewise.
19987 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19988 * genattrtab.c (main): Likewise.
19989 * genextract.c (main): Likewise.
19990 * genoutput.c: Likewise.
19991 * genrecog.c (write_subroutine, main): Likewise.
19992 * local-alloc.c (block_alloc): Likewise.
19993 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19994 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19995 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19996 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19997 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19998 (reload_cse_simplify_operands): Likewise.
20000 * arc/arc.c (arc_final_prescan_insn): Likewise.
20001 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20002 * h8300/h8300.c (notice_update_cc): Likewise.
20003 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20004 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20005 * mn10200/mn10200.c (notice_update_cc): Likewise.
20006 * mn10300/mn10300.c (notice_update_cc): Likewise.
20007 * romp/romp.c (update_cc): Likewise.
20008 * sparc/sparc.c (check_pic): Likewise.
20009 * v850/v850.c (notice_update_cc): Likewise.
20011 * genemit.c (main): Don't declare recog_operand.
20013 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20015 * ggc.h (rtvec_def): Forward declare.
20016 (tree_node): Likewise.
20017 (ggc_root): Define.
20019 (ggc_set_mark_rtx): Add prototype.
20020 (ggc_set_mark_rtvec): Likewise.
20021 (ggc_set_mark_tree): Likewise.
20022 * ggc-simple.c (ggc_root): Don't define.
20023 (roots): Don't declare.
20024 (ggc_mark_rtx): Remove.
20025 (ggc_mark_rtvec): Likewise.
20026 (ggc_mark_tree): Likewise.
20027 (ggc_mark_varray): Likewise.
20028 (ggc_mark_tree_hash_table_entry): Likewise.
20029 (ggc_mark_tree_hash_table): Likewise.
20030 (ggc_set_mart_rtx): New function.
20031 (ggc_set_mark_rtvec): Likewise.
20032 (ggc_set_mark_tree): Likewise.
20033 (ggc_add_root): Remove.
20034 (ggc_add_rtx_root): Likewise.
20035 (ggc_remove_tree_root): Likewise.
20036 (ggc_add_string_root): Likewise.
20037 (ggc_add_tree_varray_root): Likewise.
20038 (ggc_add_tree_hash_table_root): Likewise.
20039 (ggc_del_root): Likewise.
20040 (ggc_mark_rtx_ptr): Likewise.
20041 (ggc_mark_tree_ptr): Likewise.
20042 (ggc_mark_string_ptr): Likewise.
20043 (ggc_mark_tree_varray_ptr): Likewise.
20044 (ggc_mark_tree_hash_table_ptr): Likewise.
20045 * ggc-common.c: New file.
20046 * Makefile.in (OBJS): Add ggc-common.o.
20047 (ggc-common.o): List dependencies.
20049 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20051 * cppalloc.c (xstrdup): Use memcpy.
20052 * cpperror.c (cpp_print_containing_files): Don't use
20054 * cpplib.c (conditional_skip): Set temp->lineno.
20055 (do_endif): Make error message less obscure.
20056 (if_directive_name): New function.
20057 (cpp_get_token [case EOF]): Unwind the if stack and generate
20058 error messages for each unterminated conditional in this file.
20059 (parse_string): Do not behave differently if -traditional.
20061 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20063 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20064 va_list decomposing to pointer-type.
20065 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20066 (rs6000_va_arg): Likewise.
20068 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20070 * except.c (start_dynamic_handler): Compute size using
20071 STACK_SAVEAREA_MODE.
20073 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20075 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20076 include directory headers. Don't define strrchr. Don't provide
20077 my_* replacement functions. Prefer PTR over `pointer_type'.
20078 Don't prototype system functions. Don't redefine getopt.
20080 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20081 safe_read, safe_write, save_pointers, restore_pointers,
20082 is_id_char, in_system_include_dir, directory_specified_p,
20083 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20084 find_corresponding_lparen, referenced_file_is_newer,
20085 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20086 process_aux_info_file, identify_lineno, check_source,
20087 seek_to_line, forward_to_next_token_char, output_bytes,
20088 output_string, output_up_to, other_variable_style_function,
20089 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20090 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20091 find_static_definition, connect_defs_and_decs, add_local_decl,
20092 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20093 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20094 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20095 scan_for_missed_items, edit_file, string_list_cons): Add static
20097 (standard_exec_prefix, target_machine, target_version,
20098 default_syscalls_dir, string_list, string_list_cons, find_file,
20099 do_cleaning): Constify a char*.
20100 (safe_read, safe_write): Use PTR, not a char*.
20101 (is_id_char): Take an int, not a char.
20102 (main): Add prototype. Call return, not exit.
20104 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20106 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20107 when comparing types.
20109 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20111 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20112 (strength_reduce): Release the varrays from the no-bivs early exit.
20114 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20115 the loop over the registers.
20117 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20119 (restore_tree_status): Check that instead when freeing the obstack.
20121 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20123 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20126 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20128 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20129 operand size modifiers.
20131 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20133 * c-common.c (c_common_nodes_and_builtins): Don't build
20135 * c-common.h (enum c_tree_index and related accesor macros): Remove
20136 everything now declared in tree.h.
20137 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20138 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20139 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20140 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20141 unsigned_type_node, ptr_type_node, va_list_type_node,
20142 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20143 (init_decl_processing): Call build_common_tree_nodes and
20144 build_common_tree_nodes_2 instead of building their nodes here.
20145 Don't add roots for these nodes.
20146 * stor-layout.c (size_zero_node, size_one_node): Delete.
20147 (set_sizetype): Make a new node for bitsizetype each time.
20148 * tree.c (global_trees): New variable.
20149 (init_obstacks): Add a gc root for it.
20150 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20151 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20152 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20153 (build_common_tree_nodes): New function.
20154 (fix_sizetype): New function.
20155 (build_common_tree_nodes_2): New function.
20156 * tree.h (enum tree_index): New.
20157 (global_trees): Declare.
20158 Add accessor macros for all nodes now moved to global_trees.
20159 Delete their declarations.
20161 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20163 * c-decl.c (finish_function): When processing a nested function,
20164 push and pop GC context around rest_of_compilation.
20166 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20168 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20169 Default ix86_arch to PROCESSOR_I386.
20170 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20171 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20172 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20173 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20174 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20175 (EXTRA_SPECS): Remove deleted specs.
20177 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20179 * function.c (assign_stack_local_1): Allocate from
20180 function->x_frame_offset, not frame_offset.
20182 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20184 * ggc.h (lang_cleanup_tree): Remove.
20185 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20186 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20188 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20189 TYPE_LANG_SPECIFIC when garbage collecting.
20190 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20191 (lang_cleanup_tree): Remove.
20193 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20195 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20196 * crtstuff.c: Not here.
20197 * dwarf2out.c: Or here.
20198 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20201 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20203 * function.h (free_after_compilation): Remove decl parameter.
20204 (free_varasm_status0: Likewise.
20205 (free_emit_status): Likewise.
20206 (free_stmt_status): Likewise.
20207 (free_after_compilation): Likewise.
20208 (init_lang_status): New variable.
20209 (free_lang_status): Likewise.
20210 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20211 * function.c (init_lang_status): New variable.
20212 (free_lang_status): Likewise.
20213 (push_function_context_to): Don't set function::decl here.
20214 (free_after_copmilation): Make decl parameter implicit. Call
20215 free_lang_status if defined.
20216 (prepare_function_start): Call init_lang_status if defined.
20217 (init_function_start): Set function::decl here.
20218 * profile.c (output_func_start_profiler): Don't call pushdecl
20219 until we've actually started the function.
20220 * stmt.c (free_stmt_status): Make decl parameter implicit.
20221 * toplev.c (rest_of_compilation): Don't pass decl to
20222 free_after_compilation.
20223 * varasm.c (free_varasm_status): Likewise.
20225 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20227 * except.c (call_get_eh_context): Add root when allocating static
20230 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20232 * arm.c: Include "ggc.h".
20233 (arm_add_gc_roots): New function.
20234 (arm_override_options): Call it.
20235 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20237 * arm.md (define_asm_attributes): Add a pool_range attribute.
20239 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20241 * extend.texi (Volatiles): New node.
20243 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20245 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20246 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20247 (struct ggc_any): Replace `mark' with `magic_mark'.
20248 (ggc_alloc_string): Use memcpy, not bcopy.
20249 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20250 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20251 (ggc_free_any): New.
20252 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20253 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20254 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20255 Use IS_MARKED. Use ggc_free_any.
20257 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20259 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20261 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20263 * toplev.c (main): Always init_ggc.
20265 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20267 * except.c (find_all_handler_type_matches): Free the list if
20268 we found no matches.
20270 * combine.c (SUBST): Break out to a real function do_SUBST.
20271 (SUBST_INT): Likewise.
20272 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20273 (pre_insert): Free `inserted'.
20274 * loop.c (basic_induction_var): Always set `location'.
20276 * function.c (expand_function_end): Add initial_trampoline as a root.
20277 * rtl.h (init_varasm_once): Declare.
20278 * toplev.c (compile_file): Call it.
20279 * ggc-simple.c (ggc_mark_string_ptr): New.
20280 (ggc_add_string_root): New.
20281 (ggc_collect): Disable collection avoidance temporarily.
20282 * ggc.h (ggc_add_string_root): Declare.
20283 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20284 * optabs.c (init_libfuncs): Likewise.
20285 * varasm.c (named_section): Use ggc_alloc_string.
20286 (make_function_rtl): Likewise.
20287 (make_decl_rtl): Likewise.
20288 (assemble_static_space): Likewise.
20289 (assemble_trampoline_template): Likewise.
20290 (output_constant_def): Likewise.
20291 (force_const_mem): Likewise.
20292 (mark_const_hash_entry): New.
20293 (mark_pool_sym_hash_table): New.
20294 (mark_varasm_state): Use it.
20295 (init_varasm_once): New.
20297 * expr.h (init_one_libfunc): Declare.
20298 * optabs.c (init_one_libfunc): New.
20299 (init_optabs): Use it.
20300 * config/gofast.h: Likewise.
20301 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20302 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20304 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20306 * Makefile.in (cppexp.o): Depend on cpphash.h.
20307 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20309 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20310 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20311 redefining poisoned identifiers, etc.
20312 (do_undef): Don't allow poisoned identifiers to be undefined.
20313 (do_pragma): Add #pragma poison.
20314 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20316 * cccp.c: Add T_POISON node type.
20317 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20319 (do_define): Generalise to handle poisoned definitions,
20320 redefining poisoned identifiers, etc.
20321 (do_undef): Don't allow poisoned identifiers to be undefined.
20322 (do_pragma): Add #pragma poison.
20323 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20325 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20326 * c-pragma.h: Add ps_poison state. We now always have generic
20329 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20331 * ggc.h (ggc_alloc): New function.
20332 (ggc_mark): Likewise.
20333 * ggc-simple.c (ggc_any): New structure.
20334 (ggc_status): Add anys.
20335 (n_anys_collected): New variable.
20336 (ggc_alloc): Define.
20337 (ggc_mark): Likewise.
20338 (ggc_collect): Collect the anys.
20340 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20342 * c-decl.c (mark_binding_level): Make static to match prototype.
20344 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20346 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20348 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20350 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20351 will use into account. Expand the max width to 5.
20354 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20356 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20357 for the rtx length.
20359 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20361 * alpha.md (call value patterns): Remove the result predicates.
20363 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20365 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20368 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20370 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20371 changed from extern char *, to extern PTR. Also fix typo in
20372 NEED_DECLARATION_REALLOC test.
20374 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20376 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20378 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20379 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20380 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20381 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20383 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20385 * cccp.c (pcfinclude): Likewise.
20387 * global.c (allocno_compare): Likewise.
20389 * haifa-sched.c (rank_for_schedule): Likewise.
20391 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20393 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20395 * stupid.c (stupid_reg_compare): Likewise.
20397 * tree.c (_obstack_allocated_p): Likewise.
20399 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20401 1999-09-08 Bruce Korb autogen@linuxbox.com
20403 * Makefile.in: Give the hapless gperf user a hint about
20404 why "gperf -F" fails.
20406 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20408 * lists.c: Include ggc.h.
20410 (init_EXPR_INSN_LIST_cache): Install it.
20412 * ggc-simple.c (init_ggc): Absorb the old init.
20413 (ggc_push_context): Use xcalloc.
20414 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20415 (ggc_collect): Add [rvts] tags to the collection stats.
20417 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20419 * cccp.c (main): Fix handling of -include and -imacros options.
20421 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20423 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20425 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20427 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20430 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20432 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20433 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20434 and SET_DEST. Update comment.
20436 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20438 * config/c4x/c4x.c: Include ggc.h.
20439 (c4x_add_gc_roots): New function.
20440 (c4x_override_options): Call c4x_add_gc_roots.
20442 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20444 * defaults.h (TARGET_ESC): Move ...
20445 * system.h: ... here, where Linas had it in the first place. Silly me.
20447 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20449 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20450 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20451 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20452 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20453 * defaults.h (TARGET_ESC): Add default.
20455 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20457 * configure.in: add i370-*-openedition, i370-*-mvs and
20458 i370-*-linux targets
20460 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20462 * dsp16xxx.c: Include ggc.h
20463 (override_options): Mark GC roots.
20464 * mn10200.c: Include ggc.h.
20465 (asm_file_start): Mark GC roots.
20466 * tahoe.c: Include ggc.h.
20467 (extensible_operand): Mark GC roots.
20469 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20471 * README: Add section discussing status of ELF ABI.
20472 * i370.c: Fix misc spelling mistakes.
20473 (i370_label_scan): Updated notes, exception handling.
20474 (i370_function_prolog): Simplify ELF stack handling.
20475 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20476 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20477 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20478 * i370.md: (movdi): Add notes.
20479 (floatsidf2): Use stack not rtca for scratch float area.
20480 (iorsi3): Correct operand constraints.
20481 * x-oe: Restore TAROUTOPTS which are used by pax.
20483 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20485 * rs6000.c: Include ggc.h.
20486 (rs6000_add_gc_roots): New function.
20487 (override_options): Call it.
20489 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20491 * alpha.h (alpha_compare): New.
20492 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20493 * alpha.c: Likewise for the definitions.
20494 (alpha_emit_conditional_branch): Update for alpha_compare.
20495 (alpha_emit_conditional_move): Likewise.
20496 * alpha.md (cmpdf, cmpdi): Likewise.
20497 (setcc patterns): Likewise. Zero alpha_compare after use.
20498 (sne): Optimize (x != 0) into (0U < x).
20500 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20502 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20503 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20504 (INIT_EXPANDERS): Remove.
20505 * alpha.c: Include ggc.h.
20506 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20507 (alpha_init_machine_status, alpha_mark_machine_status): New.
20508 (override_options): Install them.
20509 (struct machine_function): Moved to alpha.h.
20510 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20511 (alpha_init_expanders): Remove.
20512 (alpha_return_addr): Adjust to use current_function->machine.
20513 (alpha_ra_ever_killed): Likewise.
20514 (alpha_expand_epilogue): Likewise.
20515 * alpha.md (eh_epilogue): Likewise.
20517 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20518 Melissa O'Neill <oneill@cs.sfu.ca>
20519 Geoffrey Keating <geoffk@cygnus.com>
20521 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20522 call-used registers (call-saved registers must still be contiguous
20523 and end with r31, of course).
20525 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20527 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20528 (self_promoting_type_p): Delete.
20529 (self_promoting_args_p): Move ...
20530 * c-common.c: ... here.
20531 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20532 (simple_type_promotes_to): New.
20533 * builtins.c (lang_type_promotes_to): New.
20534 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20535 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20536 * c-common.h: ... here.
20537 (self_promoting_args_p, simple_type_promotes_to): Declare.
20538 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20539 (grokdeclarator): Likewise.
20540 * tree.h (lang_type_promotes_to): Declare.
20542 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20544 Add some machine-dependent GC roots.
20545 * sparc.c: Include ggc.h.
20546 (sparc_add_gc_roots): New function.
20547 (mark_ultrasparc_pipeline_state): Likewise.
20548 (override_options): Call sparc_add_gc_roots.
20549 * pa.c: Include ggc.h.
20550 (pa_add_gc_roots): New function.
20551 (mark_deferred_plabels): Likewise.
20552 (override_options): Call pa_add_gc_roots.
20553 * mips.c: Include ggc.h.
20554 (mips_add_gc_roots): New function.
20555 (override_options): Use it.
20557 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20559 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20561 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20562 cpp_parse_expr): Add static prototypes.
20563 (parse_charconst): Don't cast away const-ness.
20564 (token): Constify a char*.
20566 * cppfiles.c (file_name_list, include_hash, find_include_file,
20567 finclude, initialize_input_buffer): Constify a char*.
20568 (file_cleanup, find_position): Add static prototypes.
20570 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20571 collect_expansion): Add static prototypes.
20572 (cpp_install, create_definition, monthnames): Constify a char*.
20574 * cpphash.h (cpp_install): Likewise.
20576 * cppinit.c (known_suffixes, default_include,
20577 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20578 (base_name, dump_special_to_buffer, initialize_dependency_output):
20579 Add static prototypes.
20581 * cpplib.c (my_strerror): Constify a char*.
20582 (null_underflow, null_cleanup, skip_comment, copy_comment,
20583 copy_rest_of_line, handle_directive, pass_thru_directive,
20584 get_directive_token, read_line_number, cpp_print_file_and_line,
20585 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20586 v_cpp_warning_with_line, detect_if_not_defined,
20587 consider_directive_while_skipping): Add static prototypes.
20588 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20589 cpp_pedwarn_with_file_and_line): Constify a char*.
20591 * cpplib.h (cpp_options, include_hash, progname, definition,
20592 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20593 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20594 find_include_file, deps_output, include_hash): Constify a char*.
20596 * cppmain.c (progname): Constify.
20597 (main): Add prototype. Use return, not exit.
20599 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20600 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20601 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20602 check_protection): Add static prototype.
20604 (progname, recognized_macrom, recognized_extern): Constify a char*.
20605 (main): Add prototype.
20607 * gen-protos.c (progname): Constify a char*.
20609 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20611 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20612 (init_emit_once): Add more GC roots.
20613 * except.c (mark_func_eh_entry): New function.
20614 (mark_eh_node): Mark false_label and rethrow_label.
20615 (init_eh): Add more GC roots.
20616 * function.c (free_after_compilation): Take decl as a paramter.
20617 Call free_stmt_status.
20618 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20620 * function.h (free_after_compilation): Change prototype.
20621 (free_varasm_status): Likewise.
20622 (free_emit_status): Likewise.
20623 (free_stmt_status): New function.
20624 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20625 Remove, replacing with ...
20626 (ggc_status): New structure.
20627 (ggc_chain): New variable.
20628 (init_gcc): Define.
20629 (ggc_push_context): New function.
20630 (ggc_pop_context): Likewise.
20631 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20632 (ggc_alloc_rtvec): Likewise.
20633 (ggc_alloc_tree): Likewise.
20634 (ggc_alloc_string): Likewise.
20635 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20636 (ggc_mark_tree): Give language-dependent code a chance to mark
20638 (ggc_mark_tree_varray): Handle empty arrays.
20639 (ggc_collect): Adjust for use of ggc_chain. Clear
20640 bytes_alloced_since_last_gc.
20641 * ggc.h (ggc_pop_context): New function.
20642 (ggc_push_context): Likewise.
20643 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20644 * stmt.c (free_stmt_status): New function.
20645 (init_stmt_for_function): Clear last_expr_value.
20646 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20647 Conditionalize call to ggc_collect.
20648 (main): Call init_ggc.
20649 * tree.c (push_obstacks): Do the push, even when GC'ing.
20650 (push_obstacks_nochange): Likewise.
20651 (pop_obstacks): Liekwise.
20652 * varasm.c (free_varasm_status): Take decl as a parameter.
20654 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20656 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20657 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20658 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20659 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20661 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20663 * pa/x-pa-mpeix: New file for the MPE port.
20665 * pa/quadlib.asm: New file for long double support.
20667 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20668 * configure: Rebuilt.
20670 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20672 * final.c (shorten_branches): Fix last change.
20674 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20676 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20678 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20680 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20683 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20685 * c-aux-info.c (concat): Don't define.
20687 * cccp.c (my_strerror): Likewise. All callers changed to use
20689 (do_include): Call xstrdup, not xmalloc/strcpy.
20690 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20691 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20693 * collect2.c (my_strsignal): Likewise. All callers changed to use
20695 (locatelib): Call xstrdup, not xmalloc/strcpy.
20697 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20699 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20701 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20703 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20705 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20707 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20709 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20711 (find_all_handler_type_matches): Likewise. Don't check return
20713 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20714 xmalloc, not malloc.
20715 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20717 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20718 (init_spec): Call xcalloc, not xmalloc/bzero.
20719 (set_spec): Call xstrdup, not save_string.
20720 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20721 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20722 (process_command): Call xstrdup, not save_string.
20723 (main): Call xcalloc, not xmalloc/bzero.
20725 * gcov.c (xmalloc): Don't define.
20726 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20727 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20728 (output_data): Call xcalloc, not xmalloc/bzero.
20730 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20732 * mips-tdump.c (xmalloc): Don't define.
20733 (print_symbol): Call xmalloc, not malloc.
20734 (read_tfile): Call xcalloc, not calloc.
20736 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20737 Don't define. All callers of xfree/my_strsignal changed to use
20738 free/strsignal instead.
20739 (allocate_cluster): Call xcalloc, not calloc.
20741 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20742 Fix memory leak, free allocated memory.
20744 * prefix.c (translate_name): Call xstrdup, not save_string.
20745 (update_path): Likewise.
20747 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20749 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20750 Don't define. Callers of xfree/savestring2 changed to use
20751 free/concat instead.
20753 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20754 (init_elim_table): Likewise.
20756 * resource.c (init_resource_info): Likewise.
20758 * stupid.c (stupid_life_analysis): Likewise.
20760 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20761 (open_dump_file): Call concat, not xmalloc/strcpy/...
20762 (clean_dump_file): Likewise.
20763 (compile_file): Call xstrdup, not xmalloc/strcpy.
20765 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20767 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20768 * v850.c (v850_va_arg): New.
20770 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20772 * haifa-sched.c: Tidy comments.
20774 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20776 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20777 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20778 $(out_object_file)): Depend on ggc.h.
20779 * c-common.c: Include "ggc.h".
20780 (combine_strings): If doing GC, use ggc_alloc_string.
20781 * c-decl.c: Include "ggc.h".
20782 (ggc_p): Define with value 0.
20783 (mark_binding_level): New function.
20784 (init_decl_processing): Add GC roots.
20785 (mark_c_function_context): New function.
20786 (lang_mark_false_label_stack): New function.
20787 (lang_mark_tree): New function.
20788 (lang_cleanup_tree): New function.
20789 * c-lang.c: Include "ggc.h".
20790 (lang_init): Call c_parse_init.
20791 * c-lex.c: Include "ggc.h".
20792 (check_linenum): If doing GC, don't copy filenames to permanent
20794 * c-parse.in: Include "ggc.h".
20795 (c_parse_init): New function.
20796 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20797 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20799 * except.c (mark_eh_state): Mark more state.
20800 * function.c (mark_function_state): Likewise.
20801 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20802 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20803 * toplev.c (mark_file_stack): New function.
20804 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20805 (main): Add root for input_file_stack.
20807 * i386.c: Include "ggc.h".
20808 (ix86_mark_machine_status): New function.
20809 (override_options): Set mark_machine_status.
20811 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20813 * tree.c (copy_node): Copy node contents also if doing GC.
20815 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20817 * collect2.c (scan_libraries): Fix double-thinko :-).
20819 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20821 * collect2.c (scan_libraries): Fix thinko.
20823 * cse.c (delete_trivially_dead_insns): Do not skip the last
20824 insn if it is a real insn.
20826 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20828 * Makefile.in (ggc-simple.o): Depend on hash.h.
20829 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20830 (ggc_mark_tree_varray): Likewise.
20831 (ggc_mark_tree_hash_table): Likewise.
20832 * ggc-simple.c: Include hash.h.
20833 (ggc_mark_tree_hash_table_ptr): New function.
20834 (ggc_mark_tree_hash_table_entry): Likewise.
20835 (ggc_mark_tree_hash_table): Likewise.
20836 (ggc_add_tree_hash_table_root): Likewise.
20837 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20838 rtx, when defining fields.
20840 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20842 * profile.c (output_func_start_profiler): Remove apparently
20843 nonsensical call to start_sequence.
20845 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20847 * clipper/clipper.c (clipper_va_start): Fix typos.
20849 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20850 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20851 (spur_va_arg): New stub.
20853 * configure.in: Comment out pyramid.
20855 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20857 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20858 don't conflict with the bits that win32, cygwin, and dgux
20861 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20862 Bernd Schmidt <bernds@cygnus.co.uk>
20864 * integrate.c (function_cannot_inline_p): Do not inline
20865 functions with forced labels.
20867 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20868 Bernd Schmidt <bernds@cygnus.co.uk>
20869 Mark Mitchell <mark@codesourcery.com>
20871 * Makefile.in (ggc-simple.o): Depend on varray.h.
20872 (rtl.o): Depend on ggc.h.
20873 (genattrtab.o): Depend on ggc.h.
20874 (print-tree.o): Likewise.
20875 (fold-const.o): Likewise.
20876 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20877 (make_insn_raw): Don't cache insns when GC'ing.
20878 (emit_insn_before): Likewise.
20879 (emit_insn_after): Likewise.
20880 (emit_insn): Likewise.
20881 (start_sequence): Use xmalloc to allocate the sequence_stack.
20882 (end_sequence): Add free to free it.
20883 (gen_sequence): Don't cache insns when GC'ing.
20884 (clear_emit_caches): Don't use sequence_element_free_list.
20885 (init_emit): Use xcalloc, not xmalloc+bzero.
20886 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20887 * function.c (pop_function_context_from): Use free to free the
20888 fixup_var_refs_queue.
20889 (put_reg_into_stack): Allocate it with xmalloc.
20890 * genattrtab.c: Include ggc.h.
20891 (operate_exp): Don't use obstack_free when GC'ing.
20892 (simplify_cond): Likewise.
20893 (simplify_text_exp): Likewise.
20894 (optimize_attrs): Likewise.
20895 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20897 (gencode): Generate a #include for ggc.h.
20898 * ggc-callbacks.c (ggc_p): Define it to zero.
20899 * ggc-none.c (ggc_p): Likewise.
20900 * ggc-simple.c: Include varray.h.
20901 (ggc_mark_tree_varray): New function.
20902 (ggc_add_tree_varray_root): Likewise.
20903 (ggc_mark_tree_varray_ptr): Likewise.
20904 * ggc.h (ggc_p): Declare.
20905 (varray_head_tag): Likewise.
20906 (ggc_add_tree_varray_root): Declare.
20907 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20908 inconsistencies when GC'ing.
20909 * rtl.c: Include ggc.h.
20910 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20911 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20912 (rtx_free): Don't call obstack_free when GC'ing.
20913 * toplev.c (rest_of_compilation): Call ggc_collect after every
20915 * tree.c (push_obstacks): Do nothing, if GC'ing.
20916 (pop_obstacks_nochange): Likewise.
20917 (pop_obstacks): Likewise.
20918 (make_node): Use ggc_alloc_tree when GC'ing.
20919 (copy_node): Likewise.
20920 (get_identifier): Use ggc_alloc_string when GC'ing.
20921 (build_string): Likewise.
20922 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20923 (tree_cons): Likewise.
20924 (build1): Likewise.
20925 (type_hash_canon): Don't call obstack_free when GC'ing.
20927 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20929 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20930 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20932 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20933 Bernd Schmidt <bernds@cygnus.co.uk>
20934 Mark Mitchell <mark@codesourcery.com>
20936 * Makefile.in (stor-layout.o): Depend on ggc.h.
20937 (expr.o): Depend on ggc.h.
20938 (profile.o): Depend on ggc.h.
20939 (stor-layout.o): Depend on ggc.h.
20940 * emit-rtl.c (init_emit_once): Add gc roots.
20941 * expr.c: Include ggc.h.
20942 (emit_block_move): Add gc roots.
20943 (clear_storage): Likewise.
20944 * expr.h (init_stor_layout_once): New function.
20945 * profile.c: Include ggc.h.
20946 (init_arc_profiler): profiler_label is a root.
20947 * scan.c (make_sstring_space): Trust xrealloc to function
20948 correctly with first parameter NULL.
20949 * stor-layout.c: Include ggc.h.
20950 (set_sizetype): Add gc root.
20951 (init_stor_layout_once): New function.
20952 * toplev.c (compile_file): Call it.
20954 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20955 Bernd Schmidt <bernds@cygnus.co.uk>
20956 Mark Mitchell <mark@codesourcery.com>
20958 * Makefile.in (tree.o): Depend on ggc.h.
20959 (varasm.o): Likewise.
20960 (function.o): Likewise.
20961 (stmt.o): Likewise.
20962 (except.o): Likewise.
20963 (optabs.o): Likewise.
20964 (emit-rtl.o): Likewise.
20965 * emit-rtl.c: Include ggc.h.
20966 (sequence_element_free_list): Remove, and all references.
20967 (mark_sequence): New functions.
20968 (mark_emit_state): New function.
20969 * except.c: Include ggc.h.
20970 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20971 (mark_tree_label_node): New functions.
20972 (mark_eh_state): New function.
20973 * function.c: Include ggc.h.
20974 (mark_temp_slot, mark_function_chain): New functions.
20975 (mark_function_state): New function.
20976 (init_function_once): New function.
20977 * function.h (init_function_once): New function.
20978 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20979 * ggc.h (label_node): Declare.
20980 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20981 (lang_mark_false_label_stack): New function.
20982 (mark_temp_slot): Remove declaration.
20983 (mark_function_chain): Likewise.
20984 (mark_eh_state): Adjust prototype.
20985 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20987 * optabs.c: Include ggc.h.
20988 (mark_optab): New function.
20989 (init_optabs): Add gc roots.
20990 * stmt.c: Include ggc.h.
20991 (mark_cond_nesting, mark_loop_nesting): New functions.
20992 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20993 (mark_stmt_state): New function.
20994 * toplev.c (compile_file): Call init_function_once.
20995 * tree.c: Include ggc.h.
20996 (type_hash): Move declaration earlier in file.
20997 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20998 (init_obstacks): Add gc roots.
20999 (mark_type_hash): New function.
21000 * varasm.c: Include ggc.h.
21001 (mark_pool_constant): New function.
21002 (mark_varasm_state): New function.
21004 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21006 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21008 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21010 * c-decl.c (struct language_function): Renamed from struct c_function.
21012 (c_function_chain): Delete.
21013 (push_c_function_context): New arg F. Don't warn about nested
21014 functions here. Fill LANGUAGE elt of F. Delete code to update
21015 c_function_chain. Don't call push_function_context.
21016 (pop_c_function_context): New arg F. Restore from there instead of
21017 from c_function_chain. Don't call pop_function_context. Clear out
21018 LANGUAGE field of F when done.
21019 * c-lang.c: Include "function.h"
21020 (lang_init): Initialize save_lang_status and restore_lang_status.
21021 * c-parse.in (nested_function, nested_function_notype): Warn about
21022 nested functions. Call push_function_context/pop_function_context
21023 instead of the _c_ variants.
21024 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21026 * Makefile.in (c-lang.o): Update dependencies.
21028 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21029 regno_pointer_flag, regno_pointer_align.
21030 (gen_reg_rtx): Use xrealloc to enlarge them.
21031 (free_emit_status): New function.
21032 * function.c (mark_machine_status, mark_lang_status): New variables.
21033 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21034 in some bits from assign_stack_local. All callers changed to use new
21036 (assign_stack_local): Just call assign_stack_local_1.
21037 (free_after_compilation): New function.
21038 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21039 (trampoline_address): Likewise.
21040 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21041 (prepare_function_start): Explicitly clear some more variables.
21042 * function.h (struct function): New elt can_garbage_collect.
21043 (mark_machine_status, mark_lang_status): Declare variables.
21044 (free_after_compilation, free_emit_status, free_varasm_status,
21045 init_varasm_status): Declare functions.
21046 * toplev.c (rest_of_compilation): Call free_after_compilation when
21047 done with the current function.
21048 * varasm.c (free_varasm_status): New function.
21050 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21052 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21053 (EXPAND_BUILTIN_VA_ARG): Define.
21054 * sparc.c (sparc_va_start): New.
21055 (sparc_va_arg): New.
21057 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21059 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21061 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21063 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21065 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21067 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21068 (OBJS): Add $(GGC).
21069 (ggc-callbacks.o): New target.
21070 * ggc-callbacks.c: New file.
21072 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21074 * expr.h: Collapse individual optab and libfunc vars to arrays.
21075 (optab_index, libfunc_index): New enumerations.
21076 (optab_table, libfunc_table): New arrays.
21077 Add accessor macros for both.
21079 * optabs.c (optab_table, libfunc_table): New.
21080 Delete declarations for individual optab and libfunc vars.
21082 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21084 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21086 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21088 * Makefile.in (GGC, GGC_LIB): New.
21089 (HOST_RTL): Include ggc-none.o.
21090 (ggc-simple.o): New target.
21091 (ggc-none.o): Likewise.
21092 * tree.h (tree_common): Add gc_mark.
21093 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21094 (struct rtvec_def): Add gc_mark.
21095 * emit-rtl.c (global_rtl): Update static initializers to contain
21096 enough initializers.
21097 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21098 * toplev.c (gc_time): New variable.
21099 (all_time): New variable.
21100 (compile_file): Print gc time.
21101 (print_time): Calculate percentage of the whole.
21103 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21105 Change obstack memory management and varasm constant pool handling so
21106 that nested functions are treated like any other functions.
21107 * function.c (init_machine_status): New variable.
21108 (push_function_context_to): Set contains_functions for the outer
21109 function. Don't call save_varasm_status.
21110 (pop_function_context_from): Don't call restore_varasm_status. Don't
21111 set current_function_contains_functions.
21112 (prepare_function_start): Call init_varasm_status rather than
21113 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21115 * function.h (struct function) Add field varasm. Delete fields
21116 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21117 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21118 (init_machine_status): Declare.
21119 (save_varasm_status, restore_varasm_status): Delete declarations.
21120 (save_tree_status, restore_tree_status): Delete last argument.
21121 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21122 code. All callers changed.
21123 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21124 save_constants_in_decl_trees, restore_constants, save_constants,
21125 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21127 (inlining): New variable.
21128 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21129 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21131 (save_for_inline_nocopy): Don't save constants.
21132 Don't set inl_emit field in current_function.
21133 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21134 function. Set new variable inlining before
21135 calling copy_rtx_and_substitute.
21136 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21137 constant pool references if inlining is nonzero.
21138 Delete ADDRESS and (most of the) CONST cases.
21139 (output_inline_function): Save and restore current_function/
21140 current_function_decl. Delete restore_constants code. Don't call
21141 init_const_rtx_hash_table.
21142 * output.h (init_const_rtx_hash_table): Don't declare.
21143 * rtl.h (struct function): Declare.
21144 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21145 * toplev.c (rest_of_compilation): Don't treat nested functions or
21146 functions containing them specially. Delete all code to deal with
21147 save_for_inline_copying.
21148 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21149 inline_obstacks): Delete variables.
21150 (save_tree_status): Lose arg CONTEXT. All callers changed.
21151 Simply allocate a new function_maybepermanent_obstack for the new
21152 function, delete all the special cases.
21153 Don't save inline_obstacks.
21154 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21155 Delete special handling for function_maybepermanent_obstack; simply
21157 Don't restore inline_obstacks.
21158 (permanent_allocation): Delete code that frees inline_obstacks.
21159 (print_inline_obstack_statistics): Delete function.
21160 (dump_tree_statistics): Don't call it.
21161 * varasm.c (struct varasm_status): New.
21162 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21163 last_pool, pool_offset, const_double_chain): Delete global
21164 variables, replace with accessor macros.
21165 (immed_double_const): Don't walk const_double_chain outside a
21166 function, but don't treat nested functions specially anymore.
21167 (immed_real_const_1): Likewise.
21168 (clear_const_double_mem): Don't treat nested functions specially.
21169 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21170 (save_varasm_status, restore_varasm_status): Delete functions.
21171 (init_varasm_status): New function.
21172 (force_const_mem): Don't treat nested functions specially.
21173 (find_pool_constant): Accept new arg F, search for constants in
21174 that function's pool rather than the current one. All callers
21176 (get_pool_constant_for_function, get_pool_mode_for_function): New
21179 * i386.c (init_386_machine_status): New function, mostly from
21180 clear_386_stack_locals.
21181 (struct machine_functions): Rename element names to avoid name
21183 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21184 macros, replacing global variables.
21185 (clear_386_stack_locals, save_386_machine_status,
21186 restore_386_machine_status): Delete functions.
21187 (override_options): Initialize init_machine_status.
21188 * i386.h (INIT_EXPANDERS): Delete macro.
21189 (save_386_machine_status, restore_386_machine_status,
21190 clear_386_stack_locals): Delete declarations.
21192 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21194 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21195 (doloop_begin): Simplify pattern and use emit_jump_insn.
21196 (doloop_end): Simplify pattern, switch operand order,
21197 and use emit_jump_insn.
21199 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21201 * function.h (struct function): Add new element LANGUAGE.
21202 (save_lang_status): Declare new variable.
21203 (restore_lang_status): Likewise.
21204 * function.c (save_lang_status): Define.
21205 (restore_lang_status): Likewise.
21206 (push_function_context_to): Call language-specific save function.
21207 (pop_function_context_from): Call language-specific restore function.
21209 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21211 * i386.md (movsf_1): Check REG_P before use of REGNO.
21212 (movdf_1): Likewise.
21213 (movxf_1): Likewise.
21214 (extendsfdf2): Likewise.
21215 (extendsfxf2): Likewise.
21216 (extenddfxf2): Likewise.
21218 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21220 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21221 constants into memory.
21222 (c4x_shiftable_constant): New function.
21223 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21224 (c4x_shiftable_constant): Declare.
21225 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21226 ashlqi3_noclobber): Add new patterns and associated splitters.
21228 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21230 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21231 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21232 * final.c (shorten_branches): Likewise.
21233 * global.c (global_alloc): Likewise.
21234 * haifa-sched.c (build_control_flow): Likewise.
21235 * stmt.c (check_for_full_enumeration_handling): Likewise.
21236 (estimate_case_costs): Likewise.
21238 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21240 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21242 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21244 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21245 (recompute_reg_usage): Likewise.
21246 * rtlanal.c (find_regno_fusage): Likewise.
21248 * rtl.c (rtl_check_failed_code1): New function.
21249 (rtl_check_failed_code2): New.
21250 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21251 (RTL_CHECKC1, RTL_CHECKC2): New.
21252 (XC*): New accessor macros.
21253 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21254 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21255 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21256 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21257 (TRAP_*, RANGE_INFO_*): Likewise.
21259 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21261 * Makefile.in (tlink.o): Don't depend on toplev.h.
21263 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21264 output_file, nm_file_name, ldd_file_name, strip_file_name,
21265 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21266 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21267 fork_execute, maybe_unlink, add_to_list,
21268 extract_init_priority, write_list, dump_list,
21269 dump_prefix_list, write_list_with_asm, write_c_file,
21270 write_c_file_stat, write_c_file_glob, scan_prog_file,
21271 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21272 ignore_library, extract_string, notice, dump_file, target_machine,
21273 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21274 read_file, print_load_command): Constify a char*.
21275 (fdopen, error, fatal, fatal_perror): Don't prototype.
21276 (my_strerror): Remove. All callers use xstrerror instead.
21277 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21278 (main): Add prototype. Constify lots of char* ptrs. Change calls
21279 to xcalloc/strcpy/strcat/... to one call to concat.
21280 (main, scan_prog_file, scan_libraries): Use an intermediate
21281 `const char **' to build an argv array.
21282 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21284 * collect2.h (collect_execute, collect_wait, dump_file,
21285 file_exists): Constify a char*.
21286 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21287 temporary_firstobj, vflag, debug): Add extern declarations.
21288 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21290 * tlink.c: Don't include toplev.h.
21291 (vflag, debug, ldout, c_file_name, temporary_obstack,
21292 permanent_obstack, temporary_firstobj): Don't declare.
21293 (tlink_execute, frob_extension, symbol_hash_lookup,
21294 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21295 recompile_files, read_repo_files, demangle_new_symbols,
21296 scan_linker_output): Constify a char*.
21297 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21298 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21300 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21302 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21303 (relative) rather than jsr (absolute) subroutine call insns.
21304 * config/m68k/m68k-coff.h: Ditto.
21306 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21308 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21309 now rework these too.
21310 (arm_reorg): If an insn can't reach the end of the current pool,
21311 ensure that we emit that pool before the insn.
21313 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21315 * tlink.c (scan_linker_output): Skip the initial underscore in
21316 a mangled name if appropriate.
21318 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21320 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21321 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21322 error_with_ivar, gen_declarator, create_builtin_decl,
21323 my_build_string, generate_descriptor_table, generate_ivars_list,
21324 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21325 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21326 dump_base_name, lang_decode_option, build_encode_expr,
21327 start_class, finish_class, encode_pointer, really_start_method,
21328 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21330 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21331 Add static prototypes.
21332 (build_objc_string_decl, build_selector_reference_decl,
21333 encode_bitfield, build_class_reference_decl): Remove unused
21334 parameter, all callers changed.
21335 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21336 (objc_printable_name): Likewise. Change second parameter to type int.
21337 (init_objc): Use memcpy, not bcopy, to avoid casts.
21339 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21341 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21342 reg notes on a deleted insn.
21343 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21345 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21347 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21349 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21351 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21354 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21356 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21357 * tm.texi (MD_ASM_CLOBBERS): Document it.
21359 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21361 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21362 * except.c (expand_rethrow): Remove unused variable.
21363 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21364 * flow.c (replace_insns): Likewise.
21365 (create_edge_list, verify_edge_list): Likewise.
21366 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21368 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21369 is special code to run.
21370 (main): Don't define operands to emit_operand.
21371 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21373 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21375 * alpha/alpha.h (normal_memory_operand): Declare.
21376 (reg_no_subreg_operand): Declare.
21377 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21379 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21381 * c-parse.in (compstmt_primary_start): New, broken out of first
21382 part of compstmt handling in primary.
21383 (primary): Use it. Add an error clause.
21384 (compstmt_nostart): Renamed from compstmt; remove all
21385 initial invocations of compstmt_start.
21388 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21390 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21393 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21395 * combine.c (simplify_shift_const): Remove extra semicolon.
21396 * dwarf2out.c (remove_AT): Likewise.
21397 * expmed.c (expand_mult): Likewise.
21398 * gcov.c (create_program_flow_graph): Likewise.
21399 * reorg.c (mostly_true_jump): Likewise.
21401 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21403 * fold-const.c (fold_range_test): Do not try to fold the range
21404 test if the rhs or lhs has side effects.
21406 * combine.c (simplify_rtx): Recognize another case of a synthesized
21409 * varasm.c (mark_constant_pool): When marking indirect references,
21410 only look at SYMBOL_REFs.
21412 * except.c (expand_fixup_region_end): Do not peek at
21413 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21415 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21417 * flags.h: New variables align_loops, align_loops_log,
21418 align_jumps, align_jumps_log, align_labels, align_labels_log,
21419 align_functions, align_functions_log.
21420 * toplev.c: Define them.
21421 (f_options): Handle -falign-* when they have no argument.
21422 (main): Add logic to set variables for -falign-functions,
21423 -falign-jumps, -falign-labels, -falign-loops.
21424 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21425 (display_help): Change help to match options.
21426 * final.c (LABEL_ALIGN): Default to align_labels_log.
21427 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21428 (LOOP_ALIGN): Default to align_loops_log.
21429 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21430 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21431 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21432 * varasm.c (assemble_start_function): Handle align_functions.
21434 * config/sparc/sparc.h: Don't declare sparc_align_*.
21435 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21436 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21438 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21440 * config/sparc/sparc.c: Delete sparc_align_loops,
21441 sparc_align_jumps, sparc_align_funcs and the corresponding string
21443 (sparc_override_options): Default align_functions on ultrasparc.
21444 Delete -malign-* handling.
21446 * config/mips/mips.c (override_options): On 64-bit targets,
21447 try to align code to 64-bit boundaries.
21448 (print_operand): New substitution, %~,
21449 which aligns labels to align_labels_log.
21450 * config/mips/mips.md (div_trap_normal): Use %~.
21451 (div_trap_mips16): Likewise.
21453 (absdi2): Likewise.
21454 (ffssi2): Likewise.
21455 (ffsdi2): Likewise.
21456 (ashldi3_internal): Likewise.
21457 (ashrdi3_internal): Likewise.
21458 (lshrdi3_internal): Likewise.
21459 (casesi_internal): Likewise.
21461 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21463 Merge new ia32 backend from the branch!
21465 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21466 See ChangeLog.P2 on new_ia32_branch for details.
21468 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21469 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21470 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21471 * i386/gas.h (ASM_FILE_START): Define.
21472 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21473 for name change of ix86_valid_decl_attribute_p.
21474 (i386_pe_valid_type_attribute_p): Similarly.
21476 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21478 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21479 to step through CC modes.
21481 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21483 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21484 it would end up in the shadow of a live flags regsiter.
21486 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21488 * reload1.c: Fix many indentation problems.
21489 * reload.c: Likewise.
21491 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21493 * alias.c (non_local_reference_p): Constify fmt.
21495 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21497 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21499 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21501 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21502 the internal_arg_pointer.
21504 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21506 Merge peephole2 from new_ia32_branch:
21507 * Makefile.in (STAGESTUFF): Add *.peephole2.
21508 (mostlyclean): Likewise.
21509 (recog.o): Depend on resource.h.
21511 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21512 (final_scan_insn): Likewise for the invocation of peephole.
21513 * genconfig.c (main): Look for peephole and peephole2 patterns.
21514 Emit HAVE_peephole* accordingly.
21515 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21516 * flags.h (flag_peephole2): Declare.
21517 * toplev.c: New pass peephole2. New flag -fpeephole2.
21519 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21520 * gencodes.c (main): Likewise.
21521 * genextract.c (main): Likewise.
21522 * genoutput.c (main): Likewise.
21523 * genemit.c (max_operand_1): Look for the max scratch operand.
21524 (gen_rtx_scratch): New.
21525 (gen_exp): Use it, and pass on new arg subroutine_type.
21526 (gen_expand): Take max scratch into account.
21527 (gen_split): Emit peephole2 functions.
21528 (output_peephole2_scratch): New.
21529 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21530 * genrecog.c (routine_type): Add PEEPHOLE2.
21532 (make_insn_sequence): Match outer parallel for peep2. Discard
21533 top level scratches and dups.
21534 (add_to_sequence): New args insn_type and top. Update all callers.
21535 Handle toplevel peep2 matching insns.
21536 (write_subroutine): Handle peep2.
21537 (write_tree_1): Likewise.
21538 (write_tree): Likewise.
21540 (change_state): New arg afterward. Update all callers.
21541 Handle matching separate insns.
21542 * recog.c (recog_next_insn): New.
21543 (peephole2_optimize): New.
21544 * rtl.def (DEFINE_PEEPHOLE2): New.
21545 * resource.c (find_free_register): New argument last_insn. Use it
21546 to find a register available through the entire span.
21547 * resource.h (find_free_register): Update prototype.
21549 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21551 * i386.c (output_strlen_unroll): Don't write xops[7]
21552 label if it wasn't set.
21554 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21556 * cpplib.c (struct directive): Const-ify name pointer and
21557 function pointer prototype.
21558 (validate_else, do_define, do_line, do_include, do_undef,
21559 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21560 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21561 do_warning): Const-ify second arg.
21562 (directive_table): Mark const. Reorder entries by frequency
21563 of usage, record statistics.
21565 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21567 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21568 bounds- check RTL accesses if --enable-checking.
21569 (RTVEC_ELT): Bounds check if --enable-checking.
21570 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21571 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21572 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21574 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21575 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21577 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21578 (NOTE_SOURCE_FILE): Use X0STR.
21579 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21580 MEM_ALIAS_SET): Use X0INT.
21581 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21582 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21584 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21585 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21586 (rtl_check_failed_bounds, rtl_check_failed_type1,
21587 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21589 (fancy_abort): Fix comment.
21591 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21592 (cse_insn): Decrement LABEL_NUSES for jump target before
21593 deleting jump insn.
21594 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21595 * final.c (alter_subreg): Compute regno before changing x to
21596 REG; set REGNO(x) after changing it.
21597 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21598 notes containing CONST_INTs.
21599 (delete_eh_regions): Use NOTE_EH_HANDLER.
21600 * function.c (put_reg_into_stack): Make reg a MEM before
21602 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21604 (gen_mem_addressof): Make reg a MEM before initializing it.
21605 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21607 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21608 deleting an insn, not after.
21609 (block_alloc): Only look at PATTERN(insn) if we have to, and
21610 only if it's format class 'i'.
21611 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21612 CONST_INT before using its INTVAL.
21613 * print-rtl.c (print_rtx): Use X0STR.
21614 * regmove.c (fixup_match_1): Don't look at PATTERN of
21615 non-class-'i' insn chain elements.
21616 * reload.c (loc_mentioned_in_p): Take address of
21617 in->fld[1].rtx directly.
21618 * reload1.c (reload): Change reg to a MEM before initializing
21620 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21622 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21624 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21626 * config/mips/mips.c (machine_dependent_reorg): Force a
21627 barrier to output the local constant pool if a barrier hasn't
21628 been found at a natural point in the instruction stream.
21630 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21632 * c-parse.in (language_string): Constify.
21634 * dwarf2out.c (language_string): Remove declaration.
21636 * dwarfout.c (language_string): Likewise.
21638 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21640 * tree.h (language_string, init_parse, finish_parse): Declare.
21642 * i386/sun386.h (language_string): Remove declaration.
21644 * mips.h (language_string): Likewise.
21646 * nextstep.h (language_string): Likewise.
21648 * nextstep21.h (language_string): Likewise.
21650 * rs6000.c (language_string): Likewise.
21652 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21654 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21655 (getpwd.o): Remove target.
21657 * getpwd.c: Delete file. Its in libiberty now.
21659 * dbxout.c (getpwd): Don't prototype.
21660 * dwarf2out.c (getpwd): Likewise
21661 * dwarfout.c (getpwd): Likewise
21662 * final.c (getpwd): Likewise.
21663 * protoize.c (getpwd): Likewise.
21665 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21667 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21669 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21671 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21672 mark_set_resources.
21674 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21676 * fixinc/Makefile.in (subdir): New.
21677 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21680 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21682 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21683 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21686 * invoke.texi: Fix typo.
21688 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21689 changed. Handle autoincrement addressing modes.
21691 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21692 just like we would the virtual incoming args register when
21695 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21697 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21698 path, in .file directive.
21700 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21702 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21705 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21707 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21710 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21712 * tree.c (tree_code_name): Constify a char*.
21714 * tree.h (tree_code_name, decl_printable_name): Likewise.
21716 * function.h (struct function): Likewise.
21718 * toplev.c (decl_name, decl_printable_name): Likewise.
21720 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21722 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21723 (init_objc): Remove function pointer cast.
21725 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21727 * pa.md (interspace_jump): New pattern.
21728 (builtin_longjmp): New expander.
21730 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21732 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21733 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21734 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21736 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21738 * jump.c (delete_prior_computation): Also check calls
21739 to constant functions. Don't bother checking for a
21740 REG_UNUSED note before adding it.
21741 (delete_computation): Handle multi-word hard registers
21742 when synthesizing missing REG_DEAD notes for a register
21743 which is both set and used by an insn.
21745 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21747 * loop.c (this_loop_info): New variable.
21748 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21749 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21751 (prescan_loop, strength_reduce): New argument loop_info. All callers
21753 (scan_loop): New variable loop_info, initialise to address of
21755 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21756 Delete variable loop_has_multiple_exit targets and replace with
21757 field in this_loop_info.
21758 (find_and_verify_loops): Rename this_loop to this_loop_num.
21759 (strength_reduce): Delete loop_iteration_info. Replace variable
21760 loop_info with function argument of same name.
21761 (insert_bct): Rework test for loop being completely unrolled.
21763 * loop.h (struct loop_info): New fields num, loops_enclosed,
21764 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21765 has_indirect_jump, and cont. Redefine use of unroll_number.
21766 (loop_unroll_number): Delete.
21768 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21769 field of loop_info.
21770 (loop_iterations): Delete variable vtop and instead use
21771 loop_info->vtop computed in prescan_loop.
21773 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21775 * fix-header.c (main): Do not pass a null pointer to strcmp.
21777 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21779 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21781 * configure: Rebuilt.
21783 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21785 * jump.c (jump_optimize_1): Do not delete assignments to
21786 internal_arg_pointer.
21787 * cse.c (delete_trivially_dead_insns): Always consider a set of
21788 the internal_arg_pointer live.
21790 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21792 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21793 (update_life_info) [REG_WAS_0]: Search the original insns rather
21794 than the new insns for the note. Fix typos finding note_dest.
21795 If no dest found, discard the note rather than abort.
21796 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21797 (replace_insns): Remove the old insn list after update_life_info
21800 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21802 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21803 sched_analyze_insn.
21804 (sched_analyze_1): Let add_dependence care for not adding dups.
21805 (sched_analyze_2): Likewise.
21806 (add_branch_dependences): Likewise.
21808 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21810 * i386/winnt.c (export_list): New type.
21811 (exports_head): Rename to
21812 (export_head): this.
21813 (i386_pe_record_exported_symbol): Add is_data flag.
21814 (i386_pe_asm_file_end): Emit directive for exported variables.
21815 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21817 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21818 (ASM_DECLARE_OBJECT_NAME): Likewise.
21819 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21820 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21822 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21824 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21826 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21829 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21831 * config/openbsd.h: Define SET_ASM_OP.
21832 * tm.texi: cross-reference SET_ASM_OP in the index.
21834 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21836 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21837 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21838 and class_narrowest_mode at compile time. Kill init_rtl.
21839 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21840 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21841 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21843 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21845 * rtl.h: Declare rtx_length and rtx_format as const.
21846 * machmode.def: Define CC(). Use CC() to define CCmode. If
21847 EXTRA_CC_MODES is defined, expand it here.
21848 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21849 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21850 const. Kill all references to EXTRA_CC_MODES.
21852 * toplev.c: Don't prototype or call init_rtl.
21853 * optabs.c: Don't call init_mov_optab.
21854 * genemit.c: Don't generate init_mov_optab. Don't call
21856 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21858 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21859 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21860 genrecog.c: Don't call init_rtl.
21862 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21863 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21864 definition of EXTRA_CC_MODES.
21866 * md.texi: Kill ref to EXTRA_CC_NAMES.
21867 * tm.texi: Document new way to define EXTRA_CC_MODES.
21869 * genrecog.c: Do not look up the name of a define_split.
21870 (Unrelated bugfix.)
21872 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21874 * config/v850/v850.md: Fix typo introduced by previous delta.
21876 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21878 * gcc.c (fatal): Make definition static to match prototype.
21880 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21882 * combine.c (get_last_value): Don't look for earlier sets if the last
21883 known set is somewhere in between the insns being combined.
21885 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21887 * configure.in: Don't use shell ! to negate exit codes
21888 * configure: Regenerate
21890 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21892 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21893 the fact that ALIGN is measured in bits, not bytes.
21895 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21897 * errors.c: New file; defines functions error, warning, and
21898 fatal, variables have_error and progname.
21899 * errors.h: New file; prototypes and decls for stuff in errors.c.
21901 * Makefile: Add rules to build errors.o and
21902 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21903 genopinit, genrecog, genextract, genpeep, genattr, and
21904 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21905 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21906 genpeep.o, genattr.o, and genoutput.o.
21908 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21909 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21910 define or prototype fatal. Set progname at beginning of main.
21911 * genoutput.c: Likewise, and don't define or prototype error
21914 * c-typeck.c (c_expand_start_case): Return immediately if exp
21916 * fold-const.c (operand_equal_p): Return immediately if arg1
21917 or arg0 are ERROR_MARKs.
21918 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21919 fields of type ERROR_MARK when calculating if the record can
21922 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21923 with much help from Jeffrey A Law and Richard Henderson
21925 * i386.md: In the 6 insns which call output_fix_trunc,
21926 earlyclobber operands[0].
21928 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21930 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21931 creating new registers.
21933 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21935 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21936 i386_reg_alloc_order, i386_regparm_string,
21937 i386_align_loops_string, i386_align_jumps_string,
21938 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21939 and i386_branch_cost_string as type "const char *".
21940 * i386.c: Define all above strings as type "const char *".
21942 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21944 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21945 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21947 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21949 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21950 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21952 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21954 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21955 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21956 (dwarf2out_line, dwarf2out_finish): Likewise.
21957 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21959 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21961 * tree.c (lang_unsave_expr_now) : Correct return type.
21962 * tree.h (lang_unsave_expr_now) : Same.
21964 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21966 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21967 instead of duplicating code.
21969 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21971 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21973 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21975 * tree.h: fancy_abort always takes three args.
21976 * resource.c: Move include of system.h before toplev.h.
21978 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21980 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21983 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21985 * system.h: Don't redefine abort or trim_filename.
21986 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21987 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21988 whether or not __FUNCTION__ is available.
21989 * tree.h: Duplicate rtl.h's definition of abort, for files
21990 that don't include rtl.h. Delete all code to perform type
21991 checking with a compiler other than GCC.
21992 * varray.h: Delete all code to perform type checking with a
21993 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21994 its arguments exactly once, using a statement expression.
21995 Adjust the VARRAY_<type> accessor macros to match.
21996 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21997 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21998 caller's location. Define fatal_insn and fatal_insn_not_found
21999 as macros that use _fatal_insn and _fatal_insn_not_found.
22000 (fancy_abort, trim_filename): Kill prototypes.
22002 * rtl.c (trim_filename): Move here from toplev.c.
22003 (fancy_abort): New function.
22004 (DIR_SEPARATOR): Provide default definition.
22005 * tree.c (tree_check_failed, tree_class_check_failed): Go
22006 through fancy_abort.
22007 (tree_check, tree_class_check, cst_or_constructor_check,
22008 expr_check): Delete.
22009 * varray.c (varray_check_failed): New function.
22010 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22011 _fatal_insn and _fatal_insn_not_found. Go through
22013 (trim_filename, fancy_abort): Delete.
22015 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22016 * except.c (start_catch_handler): Report ICE with error/abort
22018 * final.c (output_operand_lossage): Likewise.
22019 * flow.c (verify_flow_info): Likewise.
22021 * gcc.c: Prototype fatal.
22022 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22023 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22024 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22025 Don't define fancy_abort.
22027 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22029 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22032 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22034 * m88k.h (VERSION_INFO2): Kill.
22035 (VERSION_STRING): Kill.
22037 (VERSION_INFO1): Tidy.
22038 (TARGET_VERSION): Update.
22039 * m88k/dgux.h (VERSION_INFO2): Kill.
22040 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22041 * m88k/luna.h (VERSION_INFO1): Tidy.
22042 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22043 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22044 (output_file_start): Adjust for death of VERSION_STRING.
22046 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22048 * cpplib.c (detect_if_not_defined): New function.
22049 (do_if): Use it to detect potential once-only headers.
22051 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22053 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22055 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22057 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22058 anywere in the function only if they are pseudos and set before
22059 being used (not live at the start of the function).
22060 (num_sign_bit_copies) : Same.
22061 (get_last_value_validate) : Same.
22062 (get_last_value) : Same.
22064 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22066 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22067 where N and M are constant and N is an integer multiple of M.
22069 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22071 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22072 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22073 sbitmap_union_of_preds): Add prototypes.
22074 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22075 the intersection of successors with the new flow graph structures.
22076 (sbitmap_intersection_of_preds): New function to compute the
22077 intersection of predecessors with the new flow graph structures.
22078 (sbitmap_union_of_succs): New function to compute the union of
22079 successors with the new flow graph structures.
22080 (sbitmap_union_of_preds): New function to compute the union of
22081 predecessors with the new flow graph structures.
22082 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22083 (expr_reaches_here_p): Use edge and basic_block structures instead
22084 of s_preds and s_succs.
22085 (compute_cprop_avinout): Use new sbitmap routines.
22086 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22087 of s_preds and s_succs.
22088 * flow.c (compute_flow_dominators): Compute dominators using
22089 edges and basic blocks instead of s_preds and s_succs.
22091 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22093 * lists.c (unused_insn_list, unused_expr_list): New file for
22094 maintaining various types of lists. New statics for maintaining a
22095 cache of available INSN_LIST and EXPR_LIST nodes.
22096 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22097 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22098 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22099 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22100 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22101 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22102 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22103 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22104 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22105 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22106 (remove_dependence, free_pending_lists): Use new global routines.
22107 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22108 (sched_analyze, compute_block_backward_dependences): Use new routines.
22109 (sched_analyze_1, sched_analyze_2): Use new routines.
22110 (schedule_insns): Use new global routines.
22111 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22113 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22114 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22116 * toplev.c (rest_of_compilation): Initialize node cache.
22117 * Makefile.in (OBJS): Add lists.o to list of object files.
22118 (lists.o): Add dependancies.
22120 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22122 * config/v850/v850.md: Fix compile time warning messages.
22123 * config/v850/v850.c: Fix compile time warning messages.
22124 * config/v850/v850.h: Fix compile time warning messages.
22126 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22128 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22129 Remove unused prototype for `init_lengths'.
22131 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22133 * calls.c (emit_call_1): Mark parameter `stack_size' with
22135 (expand_call): Initialize variable `insn'.
22136 (emit_library_call): Likewise for variable `high_to_save'.
22137 (emit_library_call_value): Likewise.
22138 (store_one_arg): Likewise for variables `lower_bound' and
22141 * combine.c (try_combine): Likewise for variables `i2_code_number'
22142 and `other_code_number'.
22143 (find_split_point): Likewise for variables `pos', `unsignedp' and
22145 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22146 (simplify_and_const_int): Remove unused variable `width'.
22147 (merge_outer_ops): Likewise.
22149 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22150 HOST_WIDE_INT' when comparing against one.
22151 (simplify_relational_operation): Likewise.
22152 (cse_insn): Initialize variables `src_eqv_volatile',
22153 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22155 * final.c (init_final): Constify parameter `filename'.
22156 (final_start_function): Mark parameter `optimize' with
22158 (profile_function): Likewise for parameters `first' and `optimize'.
22159 (output_source_line): Likewise for parameter `file'.
22161 * integrate.c (subst_constants): Cast a value to `size_t' when
22162 comparing against one.
22163 (mark_stores): Initialize variable `mode'. Cast a value to
22164 `size_t' when comparing against one.
22166 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22168 * loop.c (move_movables): Initialize variable `first'.
22169 (strength_reduce): Likewise for variable `increment'.
22170 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22171 value to `size_t' when comparing against one.
22172 (load_mems): Initialize variable `end_label'.
22174 * output.h (init_final): Constify parameter.
22176 * reload.c (decompose): Initialize variable `base'.
22178 * reload1.c (reload): Likewise for variable `is_scalar'.
22179 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22180 (choose_reload_regs): Initialize variable `mode'.
22181 (emit_reload_insns): Likewise for variable `store_insn'.
22182 (reload_cse_noop_set_p): Mark parameter `insn' with
22184 (reload_combine): Initialize variable `set'.
22186 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22187 (copy_loop_body): Cast a value to `size_t' when comparing against
22190 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22191 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22192 (remove_from_pending_weak_list): Mark parameter `name' with
22195 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22197 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22200 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22202 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22203 (ASM_DECLARE_FUNCTION_NAME): Define.
22204 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22205 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22206 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22207 not already defined.
22209 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22211 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22212 of n_popped when call/call_value are not defined.
22214 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22216 * tm.texi: GNU CC -> GCC conversion.
22217 (CC1_SPEC): Indicate it is used for all language front ends.
22219 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22221 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22222 NOTE_INSN_EH_REGION_END correctly.
22224 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22225 Jeff Law <law@cygnus.com>
22227 * loop.c (strength_reduce): Automatically unroll loops if the
22228 unrolled loop size is smaller than the rolled loop size.
22230 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22231 and delete comment that code should be rewritten.
22233 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22235 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22238 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22240 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22242 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22243 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22244 (LINK_SPEC): Add -u _main when building executables.
22245 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22246 (ASM_FILE_END): Use the default for ix86-pe.
22247 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22249 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22251 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22252 and ASM_CLOSE_PAREN are empty strings.
22254 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22255 Geoffrey Keating <geoffk@cygnus.com>
22257 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22258 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22259 (unprotoize.o): Ditto.
22260 (test-protoize-simple): Don't define STD_PROTO_DIR.
22261 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22262 changes to make 'test-protoize-simple' pass.
22263 (STD_PROTO_DIR): Remove define.
22264 (STANDARD_EXEC_PREFIX): Supply default define.
22265 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22266 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22267 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22268 (GET_ENV_PATH_LIST): New macro.
22269 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22270 (do_processing): Initialize default_syscalls_dir using new
22271 macros. Use it to initialize syscalls_absolute_filename.
22273 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22275 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22276 B into a register before emit_conditional_move.
22278 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22280 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22281 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22282 multiplicand out of (+ (* a b) (* c d)).
22284 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22285 Richard Henderson <rth@cygnus.com>
22287 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22288 (new_insn_dead_notes): Likewise.
22289 (update_n_sets): Likewise.
22290 (update_flow_info): Move to flow.c, renamed to update_life_info;
22291 extend to handle multiple source insns.
22292 * flow.c: Include resource.h
22293 (unlink_insn_chain): New.
22294 (split_hard_reg_notes): New.
22295 (maybe_add_dead_note): New.
22296 (maybe_add_dead_note_use): New.
22297 (find_insn_with_note): New.
22298 (new_insn_dead_notes): New.
22299 (update_n_sets): New.
22300 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22301 (maybe_remove_dead_notes): New.
22302 (update_life_info): New.
22303 (prepend_reg_notes): New.
22304 (replace_insns): New.
22305 * output.h (update_life_info): Declare.
22306 * recog.c (split_block_insns): Use update_life_info.
22307 * resource.c (find_free_register): Use reg_alloc_order, don't use
22308 fixed regs, make sure the mode is supported, don't use new regs.
22310 * rtl.h (replace_insns): Declare.
22312 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22314 * expr.c (expand_expr): Cope with COND_EXPRs with one
22315 non-returning branch.
22317 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22319 * expr.c (store_expr): Always pass down the target, even when not
22322 1999-08-24 Nick Clifton <nickc@cygnus.com>
22324 * configure.in: Define target_cpu_default for v850 targets.
22325 * configure: Regenerate
22327 * config/v850/v850.h (TARGET_CPU_generic): Define.
22328 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22329 addresses are 4 byte aligned.
22331 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22334 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22336 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22337 (main): Add prototypes.
22339 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22340 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22341 (write_attr_get): Emit prototypes along with function definition.
22342 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22343 (write_complex_function): Emit static prototype along with
22344 function definition.
22346 * genemit.c (gen_split): Emit prototypes along with function
22349 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22350 Likewise for predicates and `insn_operand_predicate'.
22351 (process_template): Emit static prototype along with function
22354 * genrecog.c (make_insn_sequence): Constify a char*. Add
22355 prototypes for get_split_*().
22356 (write_subroutine): Emit prototypes along with function
22359 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22361 * gcse.c (find_avail_set): Follow chains of register-register copies.
22362 Use oprs_not_set_p to guarantee that the returned value can be
22364 (cprop_insn): Don't verify the return value of find_avail_set with
22367 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22368 (cprop_cc0_jump): New function.
22369 (cprop_insn): Break out new function cprop_jump and use it.
22370 Also use cprop_cc0_jump for machines with CC0.
22371 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22373 * tree.h (current_function_calls_setjmp,
22374 current_function_calls_longjmp): Delete declarations.
22375 * dsp16xx.c: Include "function.h".
22376 * elxsi.c: Likewise.
22377 * gmicro.c: Likewise.
22378 * h8300.c: Likewise.
22379 * i370.c: Likewise.
22380 * m32r.c: Likewise.
22381 * mn10200.c: Likewise.
22382 * mn10300.c: Likewise.
22383 * ns32k.c: Likewise.
22384 * spur.c: Likewise.
22385 * v850.c: Likewise.
22387 * rtl.h (rtx_equal_function_value_matters): Declare.
22388 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22390 * function.c: Likewise.
22391 * emit-rtl.c: Likewise.
22393 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22395 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22398 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22400 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22403 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22405 * cpp.texi: Add a node documenting macro varargs (copied
22408 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22410 * cppspec.c: Put a null pointer at the end of the new argv.
22412 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22414 * configure.in: Remove code to select/de-select the haifa
22415 scheduler. Every scheduled port gets haifa now.
22416 * configure: Rebuilt.
22417 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22419 * Makefile.in: Corresponding changes.
22421 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22423 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22424 All callers changed.
22425 (prepare_float_lib_cmp): Likewise.
22426 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22427 * expr.h (emit_float_lib_cmp): Delete declaration.
22428 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22429 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22430 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22432 (cmptf): Now conditional on TARGET_HARD_QUAD.
22434 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22436 * resource.c (mark_target_live_regs): Use
22437 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22439 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22441 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22443 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22445 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22447 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22449 * rtl.h (rtx_format): Constify a char*.
22451 * rtl.c (rtx_format): Likewise.
22452 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22453 (init_rtl): Use accessor macro, not `rtx_format'.
22455 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22458 * caller-save.c (mark_referenced_regs): Likewise.
22460 * combine.c (subst, make_compound_operation, known_cond,
22461 gen_rtx_combine, update_table_tick, get_last_value_validate,
22462 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22464 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22465 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22466 count_reg_usage): Likewise.
22468 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22471 * final.c (leaf_renumber_regs_insn): Likewise.
22473 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22474 dump_edge_info, count_reg_references): Likewise.
22476 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22477 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22480 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22481 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22482 add_label_notes): Likewise.
22484 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22485 clear_struct_flag, count_sub_rtxs, count_alternatives,
22486 compares_alternatives_p, contained_in_p, walk_attr_value,
22487 write_expr_attr_cache): Likewise.
22489 * genconfig.c (walk_insn_part): Likewise.
22491 * genemit.c (max_operand_1, gen_exp): Likewise.
22493 * genextract.c (walk_rtx): Likewise.
22495 * genflags.c (num_operands): Likewise.
22497 * genoutput.c (scan_operands): Likewise.
22499 * genpeep.c (match_rtx): Likewise.
22501 * genrecog.c (add_to_sequence): Likewise.
22503 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22506 * integrate.c (save_constants, copy_for_inline,
22507 copy_rtx_and_substitute, subst_constants, restore_constants):
22510 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22511 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22513 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22516 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22517 add_label_notes, replace_call_address, count_nonfixed_reads,
22518 invariant_p, find_single_use_in_loop, find_mem_givs,
22519 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22522 * print-rtl.c (reg_names, print_rtx): Likewise.
22524 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22526 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22527 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22528 print_blocks): Likewise.
22530 * regclass.c (fix_register, record_address_regs,
22531 reg_scan_mark_refs): Likewise.
22533 * regmove.c (stable_but_for_p): Likewise.
22535 * reload.c (loc_mentioned_in_p, operands_match_p,
22536 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22537 copy_replacements, refers_to_regno_for_reload_p,
22538 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22539 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22542 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22543 delete_address_reloads_1, count_occurrences,
22544 reload_cse_mem_conflict_p, reload_combine_note_use,
22545 add_auto_inc_notes): Likewise.
22547 * resource.c (mark_referenced_resources, mark_set_resources):
22550 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22551 reg_mentioned_p, regs_set_between_p, modified_between_p,
22552 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22553 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22554 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22555 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22557 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22559 * stupid.c (stupid_mark_refs): Likewise.
22561 * unroll.c (remap_split_bivs): Likewise.
22563 * varasm.c (mark_constants): Likewise.
22565 * a29k/a29k.c (uses_local_reg_p): Likewise.
22567 * alpha/alpha.c (summarize_insn): Likewise.
22569 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22570 eliminate_lr2ip): Likewise.
22572 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22574 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22575 reg_mentioned_in_mem): Likewise.
22577 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22578 symbolic_reference_mentioned_p): Likewise.
22580 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22582 * sh/sh.c (regs_used, mark_use): Likewise.
22584 * vax/vax.c (vax_rtx_cost): Likewise.
22586 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22588 * machmode.h (mode_name): Constify a char*.
22590 * rtl.c (mode_name): Likewise.
22592 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22594 * optabs.c (init_libfuncs): Constify a char*.
22596 * print-tree.c (mode_name): Remove redundant declaration.
22597 (print_node): Use accessor macro, not `mode_name'.
22599 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22601 (new_spill_reg): Constify a char*.
22603 * tree.c (mode_name): Remove redundant declaration.
22605 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22607 * rtl.c (rtx_name): Constify a char*.
22609 * rtl.h (rtx_name, fix_sched_param): Likewise.
22611 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22612 (mypr): Use accessor macro, not `rtx_name'.
22614 * genemit.c (print_code): Constify a char*.
22616 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22618 * genpeep.c (print_code): Constify a char*.
22620 * genrecog.c (print_code): Likewise.
22622 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22623 end_bb): Add static prototype.
22624 (draw_edge): Constify a char*.
22625 (end_bb): Remove unused parameter.
22627 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22628 print_block_visualization): Constify a char*.
22630 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22632 * c-common.c (c_get_alias_set): Update comment.
22634 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22636 * linux.h (LIB_SPEC): Added.
22638 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22640 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22642 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22644 * tree.c (expr_check): Fix typo in last change.
22646 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22648 * rtl.def (NOTE): Change format to "iuu0n".
22649 (ADDR_DIFF_VEC): Change format to "eEee0".
22650 (ADDRESSOF): Change format to "eit".
22652 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22653 (RTVEC_ELT): Change to match.
22654 (XVECEXP): Use XVEC and RTVEC_ELT.
22655 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22656 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22657 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22658 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22659 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22660 (INTVAL): Use XWINT.
22661 (ADDRESSOF_DECL): Use XTREE.
22662 (SET_ADDRESSOF_DECL): Delete.
22663 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22664 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22665 ifdefed out since 2.6 at least.
22666 (gen_rtvec_vv): Delete prototype.
22668 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22670 (copy_most_rtx): Handle 't' format letter.
22671 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22672 (gen_rtvec_vv): Delete function. All callers changed to use
22673 gen_rtvec_v instead.
22674 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22675 the '0' format letter.
22677 * function.c (gen_mem_addressof): Don't use
22678 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22680 * integrate.c (copy_rtx_and_substitute): Likewise.
22681 Copy 't' slots with XTREE.
22682 (subst_constants): Treat 't' slots like '[swi]' slots.
22683 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22684 * jump.c (rtx_equal_for_thread_p): Likewise.
22685 * rtlanal.c (rtx_equal_p): Likewise.
22686 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22687 only four arguments.
22688 * gengenrtl.c (type_from_format): Provide correct types for
22692 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22693 If a recent gcc is in use (always in stage2 and beyond), use
22694 statement expressions, so we don't make a function call unless
22695 the check fails. Evaluate arguments exactly once.
22696 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22697 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22699 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22700 they evaluate their arguments exactly once, irrespective of
22701 the compiler in use.
22703 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22704 is used by the currently-enabled check macros. This is:
22705 (tree_check_failed, tree_class_check_failed): For gcc.
22706 (tree_check, tree_class_check, cst_or_constructor_check,
22707 expr_check): For other compilers.
22709 * gencheck.c: Do not define any *_CHECK1 macros.
22711 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22712 Mark Mitchell <mark@codesourcery.com>
22714 * c-common.c (c_get_alias_set): Fix support for poitners and
22717 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22719 * alias.c: Include tree.h.
22720 (nonlocal_reference_p, mark_constant_function): New functions.
22721 * flow.c (life_analysis): Call mark_constant_function.
22722 * rtl.h (mark_constant_function): Declare it.
22724 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22726 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22727 unrecognisable switches.
22729 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22731 * loop.c (recombine_givs): Set ix field after sorting.
22732 (recombine_givs): Remove bogus index / giv lockstep looping.
22734 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22736 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22738 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22739 (do_cmp_and_jump): Formatting fixes.
22740 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22741 do_compare_rtx_and_jump instead of compare_from_rtx.
22742 (do_compare_rtx_and_jump): New function; mostly copied from
22744 (do_jump_for_compare): Delete.
22745 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22747 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22748 of compare/do_jump_for_compare pairs.
22749 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22750 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22751 compare_from_rtx/do_jump_for_compare pairs.
22752 (do_jump_by_parts_equality): Likewise.
22753 (do_jump_by_parts_equality_rtx): Likewise.
22754 * expr.h (do_compare_rtx_and_jump): Declare.
22755 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22756 that used to be in emit_cmp_insn.
22757 (cmp_available_p): New function.
22758 (prepare_operand): New function.
22759 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22760 to be in emit_cmp_insn.
22761 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22762 parameters to be pointers; don't emit final compare but modify some of
22763 the values pointed to by the args so the caller can perform the
22764 correct comparison.
22765 (expand_binop): Call emit_store_flag_force with signed forms of
22767 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22768 emit_jump_insn pair.
22769 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22770 emit_cmp_and_jump_insn_1. Call emit_queue.
22771 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22773 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22774 jump sets cc0 before deleting it.
22775 * integrate.c (expand_inline_function): Likewise.
22776 * unroll.c (unroll_loop): Similar changes in several places.
22777 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22778 before deleting it.
22780 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22782 * Makefile.in (insn-recog.o): Update dependencies.
22783 * genrecog.c (main): Make generated file include "function.h".
22785 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22787 * cse.c (cse_insn): Call never_reached_warning when a jump is
22788 changed to be unconditional.
22789 * flags.h: Declare warn_notreached.
22790 * flow.c (delete_block): Call never_reached_warning when
22791 a block is deleted.
22792 * jump.c (delete_barrier_successors): Call never_reached_warning
22793 when we delete everything after a BARRIER.
22794 (never_reached_warning): New function.
22795 * rtl.h: Declare never_reached_warning.
22796 * toplev.c (warn_notreached): New variable.
22797 (lang_independent_options): Set warn_notreached
22798 when -Wunreachable-code.
22799 (compile_file): We need line numbers for -Wunreachable-code.
22801 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22803 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22804 * sched.c (insn_unit): Likewise.
22806 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22808 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22810 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22812 * flow.c (create_edge_list): Use xmalloc, not malloc.
22814 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22816 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22817 C-style comments. Do not lose the character before double slash.
22819 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22821 * basic-block.h (struct edge_list): Stucture to maintain a vector
22823 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22824 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22825 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22826 New function prototypes.
22827 * flow.c (create_edge_list): Function to create an edge list.
22828 (free_edge_list): Discards memory used by an edge list.
22829 (print_edge_list): Debug output showing an edge list.
22830 (verify_edge_list): Internal consistency check for an edge list.
22831 (find_edge_index): Function to find an edge index for a pred and succ.
22833 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22835 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22838 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22840 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22842 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22844 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22846 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22848 * toplev.c (rest_of_compilation): Allow machine dependent
22849 reorganisation pass to place information into the RTL dump
22850 file if it so wishes.
22852 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22854 * explow.c (hard_function_value): Use VOIDmode instead of
22856 * stmt.c (expand_return): Likewise.
22857 * stor-layout.c (get_best_mode): Likewise.
22859 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22860 emit call instead of emit_insn call.
22862 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22864 * configure.in: Handle --disable/enable-win32-registry.
22865 * install.texi: Document --disable/enable-win32-registry.
22866 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22867 (WIN32_REGISTRY_KEY): New macro.
22868 * prefix.c: Use to enable/disable win32-specific code.
22869 (lookup_key): Use versioned key.
22870 * configure: Regenerate.
22871 * config.in: Likewise.
22873 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22875 * cpplib.c (read_line_number): New fn, split out of...
22878 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22880 tree.c (lang_unsave_expr_now) : New.
22881 (unsave_expr_now): Call lang_unsave_expr_now.
22882 tree.h (lang_unsave_expr_now) : New.
22884 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22886 * toplev.c (flag_new_exceptions): On by default.
22888 1999-08-13 Michael Meissner <meissner@cygnus.com>
22890 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22892 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22894 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22895 INTEGER_TYPE with precision==1, it's __java_boolean.
22897 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22899 * global.c (prune_preferences): Move some invariants out of the
22902 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22904 * configure.in (alpha*-dec-osf*): Add osf5.
22906 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22908 * configure.in: Rework handling of ARM GNU/Linux slightly.
22909 (arm*-*-linux-gnuoldld): New target.
22910 * configure: Regenerate.
22911 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22912 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22913 * config/arm/linux-oldld.h: New file.
22914 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22915 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22917 * config/arm/linux-elf.h (ASM_SPEC): Define.
22918 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22919 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22920 for 26-bit APCS and old linker.
22921 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22923 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22924 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22925 don't define `arm' or `arm_elf'.
22926 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22927 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22929 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22931 * rtl.texi: Fix typo.
22933 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22935 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22937 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22939 * extend.texi (C++ Signatures): Remove node.
22940 * invoke.texi: Remove discussion of -fhandle-signatures,
22941 signature, sigof, __signature__, and __sigof__.
22943 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22945 * Makefile.in (JAVAGC): Removed.
22947 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22949 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22951 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22953 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22955 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22957 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22958 a register that is already known to be a pointer.
22960 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22962 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22963 * fixinc/inclhack.sh: Regenerated.
22964 * fixinc/fixincl.sh: Regenerated.
22966 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22968 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22969 Fix documentation of -ansi flag to describe its C++ behavior.
22970 Remove bogus reference to GCC 2.9.
22972 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22974 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22975 note if it is non-NULL.
22977 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22979 * except.h (eh_nesting_info): Add new structure defintion.
22980 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22981 (reachable_handlers, update_rethrow_references): Add function
22983 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22984 a rethrow symbol instead of an integer exception region number.
22985 * flow.c (Make_edges): Use new exception nesting routines to determine
22986 which handlers are reachable from a CALL or asynchronous insn.
22987 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22989 (delete_eh_regions): Update rethrow labels, and don't delete
22990 regions which are the target of a rethrow.
22991 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22992 avoid overloading the SYMBOL_REF_USED flag.
22993 (rethrow_symbol_map): Use new rethrow_ref field.
22994 (rethrow_used): Use new rethrow_ref field.
22995 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22996 of an integer. Fix formatting.
22997 (output_exception_table_entry): Use new rethrow_ref field.
22998 (can_throw): Check for EH_REGION_NOTE before deciding
22999 whether a CALL can throw or not.
23000 (scan_region): Call rethrow_used() instead of accessing data structure.
23001 (update_rethrow_references): New function to make sure only regions
23002 which are still targets of a rethrow are flagged as such.
23003 (process_nestinfo): New static function to initialize a handler
23004 list for a specific region.
23005 (init_eh_nesting_info): New function to allocate and initialize
23006 the list of all EH handlers reachable from all regions.
23007 (reachable_handlers): New function to retrieve the list of handlers
23008 reachable from a specific region and insn.
23009 (free_eh_nesting_info): New function to dispose of a list of
23010 reachable handlers.
23012 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23014 * flow.c (split_edge): Set JUMP_LABEL field.
23015 (commit_one_edge_insertion): Set head correctly for insert_before.
23016 When inserting insns, update insn block numbers if allocated.
23018 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23020 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23021 retry_incomplete_types): Add static prototype.
23022 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23023 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23024 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23025 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23026 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23029 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23030 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23032 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23034 * output.h (assemble_name): Constify a char*.
23036 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23037 assemble_variable, assemble_name): Likewise.
23039 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23041 * arm/pe.c (arm_pe_unique_section): Likewise.
23043 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23045 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23047 * i386/interix.c (i386_pe_unique_section): Likewise.
23049 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23051 * i386/winnt.c (i386_pe_unique_section): Likewise.
23053 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23055 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23057 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23059 * pa/pa.c (output_call): Likewise.
23061 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23063 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23065 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23068 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23071 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23073 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23074 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23076 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23078 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23080 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23082 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23084 * tree.h (lang_identify): Constify a char*.
23085 (print_error_function): Add extern prototype. Constify a char*.
23087 * c-lang.c (lang_identify): Constify a char*.
23089 * objc/objc-act.c (lang_identify): Constify a char*.
23091 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23093 * genpeep.c (main): Make generated file include "function.h".
23094 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23096 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23098 * Makefile.in: Update dependencies.
23099 * alias.c: Include "function.h"
23100 * c-decl.c: Likewise.
23101 * caller-save.c: Likewise.
23102 * calls.c: Likewise.
23103 * combine.c: Likewise.
23105 * explow.c: Likewise.
23106 * final.c: Likewise.
23107 * global.c: Likewise.
23108 * graph.c: Likewise.
23109 * local-alloc.c: Likewise.
23110 * loop.c: Likewise.
23111 * optabs.c: Likewise.
23112 * profile.c: Likewise.
23113 * recog.c: Likewise.
23114 * regclass.c: Likewise.
23115 * regmove.c: Likewise.
23116 * reload.c: Likewise.
23117 * reorg.c: Likewise.
23118 * resource.c: Likewise.
23119 * sched.c: Likewise.
23120 * stupid.c: Likewise.
23121 * config/1750a/1750a.c: Likewise.
23122 * config/a29k/a29k.c: Likewise.
23123 * config/arc/arc.c: Likewise.
23124 * config/arm/arm.c: Likewise.
23125 * config/arm/thumb.c: Likewise.
23126 * config/c4x/c4x.c: Likewise.
23127 * config/clipper/clipper.c: Likewise.
23128 * config/convex/convex.c: Likewise.
23129 * config/fx80/fx80.c: Likewise.
23130 * config/i860/i860.c: Likewise.
23131 * config/m68k/m68k.c: Likewise.
23132 * config/m88k/m88k.c: Likewise.
23133 * config/mips/mips.c: Likewise.
23134 * config/pdp11/pdp11.c: Likewise.
23135 * config/pyr/pyr.c: Likewise.
23136 * config/romp/romp.c: Likewise.
23137 * config/sh/sh.c: Likewise.
23138 * config/tahoe/tahoe.c: Likewise.
23139 * config/vax/vax.c: Likewise.
23140 * config/we32k/we32k.c: Likewise.
23141 * config/sparc/sparc.c: Include "function.h".
23142 (mem_min_alignment): Test current_function rather than
23143 regno_pointer_align.
23144 * config/pa/pa.c: Likewise.
23145 (compute_frame_size): Delete declaration of
23146 current_function_outgoing_args_size.
23147 * config/arc/arc.h (current_function_varargs): Delete declaration.
23148 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23150 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23152 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23153 current_function_uses_pic_offset_table.
23154 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23155 of current_function_returns_pointer.
23156 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23157 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23158 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23159 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23160 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23161 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23162 * config/m88k/m88k.c: Include "function.h"
23163 (call_used_regs, current_function_pretend_args_size,
23164 current_function_outgoing_args_size, frame_pointer_needed): Delete
23166 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23168 * config/mips/mips.h (current_function_calls_alloca): Delete
23170 * config/mn10200/mn10200.h (current_function_needs_context,
23171 rtx_equal_function_value_matters): Delete declarations.
23172 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23173 flag_pic): Delete declarations.
23174 * config/pa/pa.h (current_function_pretend_args_size,
23175 current_function_decl): Delete declarations.
23176 * config/pa/som.h (current_function_varargs): Delete declaration.
23177 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23179 * config/pyr/pyr.h (current_function_pretend_args_size,
23180 current_function_args_size, current_function_calls_alloca): Delete
23182 * config/sh/sh.h (current_function_varargs): Delete declaration.
23183 * config/sparc/sparc.h (current_function_outgoing_args_size,
23184 current_function_calls_alloca, current_function_decl): Delete
23186 * config/spur/spur.h (current_function_pretend_args_size,
23187 current_function_calls_alloca): Delete declarations.
23188 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23190 * config/vax/vms.h (current_function_name): Delete declaration.
23191 * gcse.c: Include "function.h".
23192 (current_function_name, current_function_calls_setjmp): Delete
23194 * haifa-sched.c: Include "function.h".
23195 (forced_labels): Delete declaration.
23196 * jump.c: Likewise.
23197 * reg-stack.c: Likewise.
23198 * reload1.c: Likewise.
23199 * genemit.c (main): Make generated file include function.h.
23200 * genoutput.c (output_prologue): Likewise.
23202 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23203 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23204 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23205 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23206 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23207 macros for some of them.
23208 (emit_filename, emit_lineno): Delete declarations.
23209 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23210 regno_pointer_* variables through current_function.
23211 (gen_inline_header_rtx): Delete function.
23212 (save_emit_status): Delete function.
23213 (set_new_last_label_num): New function.
23214 (clear_emit_caches): New function.
23215 (restore_emit_status): Just clear last_labelnum and call
23217 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23218 through macro seq_stack.
23219 (add_insn_after): Likewise.
23220 (add_insn_before): Likewise.
23221 (remove_insn): Likewise.
23222 (pop_topmost_sequence): Likewise.
23223 (in_sequence_p): Likewise.
23224 (start_sequence_for_rtl_expr): Likewise.
23225 (start_sequence): Likewise, and likewise for
23226 sequence_rtl_expr/seq_rtl_expr.
23227 (push_topmost_sequence): Likewise.
23228 (end_sequence): Likewise.
23229 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23230 All callers changed. Store into that pointer instead of globals.
23231 (init_emit): Allocate emit elt of current_function.
23232 Changes for sequence_rtl_expr/sequence_stack renaming.
23233 Call clear_emit_caches instead of doing it in-line.
23234 Access regno_pointer_* variables through current_function.
23235 (init_emit_once) Don't clear sequence_stack.
23237 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23239 (arg_pointer_save_area): Delete declaration.
23240 (finish_expr_for_function): Renamed from init_queue; no longer static.
23241 (init_expr): Don't call init_queue.
23242 (save_expr_status, restore_expr_status): Delete functions.
23243 (expand_expr): Changes to reflect new layout of struct function.
23244 Don't access current_function_check_memory_usage when current_function
23246 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23247 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23248 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23249 current_function_uses_const_pool, function_call_count,
23250 current_function_uses_pic_offset_table, nonlocal_labels,
23251 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23252 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23253 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23255 (finish_expr_for_function): Declare.
23256 * flags.h (current_function_has_nonlocal_label,
23257 current_function_has_nonlocal_goto, current_function_is_thunk,
23258 current_function_has_computed_jump): Delete declarations.
23259 * flow.c (forced_labels): Delete declaration.
23260 * function.c (current_function_pops_args,
23261 current_function_returns_struct, current_function_returns_pcc_struct,
23262 current_function_needs_context, current_function_calls_setjmp,
23263 current_function_calls_longjmp, current_function_has_nonlocal_label,
23264 current_function_has_nonlocal_goto, current_function_is_thunk,
23265 current_function_has_computed_jump, current_function_calls_alloca,
23266 current_function_contains_functions, current_function_returns_pointer,
23267 current_function_epilogue_delay_list, current_function_args_size,
23268 current_function_pretend_args_size, current_function_arg_offset_rtx,
23269 current_function_outgoing_args_size, current_function_varargs,
23270 current_function_stdarg, current_function_args_info, cleanup_label,
23271 current_function_name, current_function_uses_const_pool,
23272 current_function_instrument_entry_exit, current_function_return_rtx,
23273 current_function_uses_pic_offset_table, nonlocal_labels,
23274 current_function_internal_arg_pointer, current_function_cannot_inline,
23275 current_function_check_memory_usage, function_call_count,
23276 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23277 nonlocal_goto_stack_level, return_label, save_expr_regs,
23278 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23279 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23280 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23281 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23282 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23284 (push_function_context_to): Don't save them. Don't call
23285 save_storage_status, save_emit_status or save_expr_status.
23286 (pop_function_context_from): Don't restore them. Don't call
23287 restore_storage_status or restore_expr_status.
23288 (get_func_frame_size): New function.
23289 (get_frame_size): Use it.
23290 (assign_outer_stack_local): Reflect some member name changes in struct
23292 (put_reg_into_stack): Likewise.
23293 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23295 (fixup_var_refs): Likewise.
23296 (fix_lexical_addr): Likewise.
23297 (trampoline_address): Likewise.
23298 (prepare_function_start): Clear field inlinable of current_function.
23299 (init_function_for_compilation): New function.
23300 (expand_dummy_function_end): New function.
23301 (expand_function_end): Call finish_expr_for_function.
23302 * function.h (struct emit_status): New; fields moved here from struct
23303 function and from global variables. Add accessor macros for some of
23305 (struct expr_status): Likewise.
23306 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23307 (struct function): Add fields expr and emit, inlinable, inl_emit,
23308 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23309 inl_max_label_num. Add many comments.
23310 Add accessor macros for all elts of struct function that no longer
23311 have a global variable.
23312 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23313 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23314 stack_slot_list): Delete declarations.
23315 (get_func_frame_size): Declare.
23316 (save_expr_status, restore_expr_status, save_emit_status,
23317 save_storage_status, restore_storage_status): Delete declarations.
23318 (init_virtual_regs): Declare.
23319 * output.h (current_function_pops_args,
23320 current_function_returns_struct, current_function_returns_pcc_struct,
23321 current_function_needs_context, current_function_calls_setjmp,
23322 current_function_calls_longjmp, current_function_calls_alloca,
23323 current_function_has_nonlocal_label, current_function_varargs,
23324 current_function_has_computed_jump, current_function_returns_pointer,
23325 current_function_contains_functions, current_function_args_size,
23326 current_function_pretend_args_size, current_function_stdarg,
23327 current_function_outgoing_args_size, current_function_args_info,
23328 current_function_name, current_function_return_rtx,
23329 current_function_epilogue_delay_list,
23330 current_function_uses_const_pool, current_function_cannot_inline):
23331 Delete declarations.
23332 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23333 regno_reg_rtx): Delete declaration.
23334 (REGNO_POINTER_FLAG): Delete macro.
23335 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23336 function were renamed.
23337 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23339 * toplev.c: Include "function.h".
23340 (current_function_decl): Delete declaration.
23341 (compile_file): Call init_dummy_function_start and
23342 expand_dummy_function_end around some initializations that need to
23344 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23345 Call init_function_for_compilation.
23346 * unroll.c: Include "function.h"
23347 (unroll_loop): Access regno_pointer_* variables through
23350 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23351 (DECL_SAVED_INSNS): use it.
23352 (expand_dummy_function_end): Declare.
23353 (init_function_for_compilation): Declare.
23354 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23355 that it's no longer an INLINE_HEADER.
23356 (expand_call): Likewise.
23357 * integrate.c (finish_inline): Delete function.
23358 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23359 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23360 args. Don't generate an INLINE_HEADER rtx, just return the arg
23361 vector. All callers changed.
23362 (save_for_inline_copying): Create a duplicate struct emit_status to
23363 hold the emit state for compiling the current function. Use this and
23364 the other new fields in struct function that are for integration
23365 instead of an INLINE_HEADER.
23366 Use memcpy instead of bcopy.
23367 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23368 (save_for_inline_nocopy): Similar changes, except no new emit_status
23370 (expand_inline_function): Get information from function structure,
23371 not from an inline header rtx.
23372 (output_inline_function): Lose code to extract the necessary
23373 information from an inline header; simply put back the function
23374 structure into current_function. Clear its inlinable elt.
23375 * rtl.def (INLINE_HEADER): Delete.
23376 * rtl.h: Delete all accessors for an INLINE_HEADER.
23377 (gen_inline_header_rtx): Delete declaration.
23378 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23379 Delete declarations.
23380 (REGNO_POINTER_ALIGN): Delete.
23381 (clear_emit_caches): Declare.
23382 (set_new_last_label_num): Declare.
23384 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23386 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23388 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23389 * stmt.c (is_eh_region): Make sure current_function is present, too.
23391 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23393 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23394 for 64bit PA targets.
23396 * pa.h (SELECT_SECTION): Define.
23397 * som.h (SELECT_SECTION): Delete.
23399 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23401 * alias.c (init_alias_analysis): Wrap call to
23402 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23404 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23406 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23407 <sys/asm.h> contains an asm comment with an apostrophe
23408 * fixinc/inclhack.sh: regen
23409 * fixinc/fixincl.x: regen
23411 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23413 * function.c (init_function_start): Clear prologue & epilogue.
23414 (prologue_epilogue_contains): New function.
23415 * alias.c (init_alias_analysis): Use it.
23416 * rtl.h (prologue_epilogue_contains): Declare it.
23418 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23420 * jump.c (onlyjump_p): New function.
23421 * rtl.h: Declare it.
23422 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23423 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23425 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23427 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23428 to invert loops. Simplify block scanning.
23430 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23432 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23433 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23435 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23437 * config/sparc/liteelf.h: New file to support sparclite-elf target
23438 * config/sparc/t-sp86x: New file to support sparc86x targets
23439 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23440 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23441 * configure.in: Support above target triplets
23442 * configure: Regenerated
23444 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23446 * fixinc/server.c (server_setup): Do not prefix function used as
23447 parameter with `&'.
23449 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23451 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23452 Remove fp reg alternatives.
23454 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23456 * Makefiin (TAROUTOPTS): Kill.
23457 (install-headers-tar): Use "xpf" for tar headerfile extraction
23458 * i370/x-oe (TAROUTOPTS): Delete.
23459 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23460 * m68k/x-hp320 (TAROUTOPTS): Delete.
23461 * m68k/x-hp320g (TAROUTOPTS): Delete.
23462 * gcc.texi: Update bug reporting text.
23464 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23466 * reg-stack.c (change_stack) Fixed problem with negative array index.
23468 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23470 * extend.texi, install.texi: Fix spelling mistakes.
23472 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23473 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23474 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23475 PREMADE_ATTRTAB_MD.
23476 * mips/t-ecoff: Likewise.
23477 * mips/t-elf: Likewise.
23478 * mips/t-mips: Likewise.
23479 * mips/t-osfrose: Likewise.
23480 * mips/t-r3900: Likewise.
23481 * mips/t-svr3: Likewise.
23482 * mips/t-svr4: Likewise.
23483 * mips/t-ultrix: Likewise.
23485 * gcc.texi: Document recommend means to provide software floating
23486 point libraries in libgcc.a
23488 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23490 * c-lex.c (yylex): We can have a number with no digits.
23492 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23494 * jump.c (delete_prior_computation): New function, broken
23495 out of delete_computation. Check for side effects with
23496 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23497 multi-word hard registers.
23498 (delete_computation): Use it. Check for side effects with
23499 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23500 missing REG_DEAD note for a register which is both set and
23503 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23505 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23506 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23507 (ASM_FILE_START): Import _mcount with the right type.
23508 (ASM_DECLARE_FUNCTION_NAME): Define.
23509 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23510 * pa.c (output_function_prologue): Always emit the function's label
23512 * pa.h (TEXT_SPACE_P): Define.
23513 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23514 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23515 * som.h (TEXT_SPACE_P): Delete.
23516 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23517 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23519 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23521 * expr.c (emit_group_load): Allow src to be a CONCAT.
23523 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23525 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23526 (___mulsi3): Use '!' comment character.
23528 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23530 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23532 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23534 * gcc.c: Update URLs and mail addresses.
23535 * gcc.texi: Likewise.
23537 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23539 * rs6000.c (current_file_function_operand): Return zero for
23541 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23543 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23546 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23548 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23549 allocate space in the stack frame for the PIC register.
23551 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23553 * m68k.md (xordi3, anddi3): These patterns are not available on
23556 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23558 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23559 (PUT_REAL): Likewise.
23561 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23563 * final.c (shorten_branches): Don't add an alignment for loops
23564 that have no label inside.
23566 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23568 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23569 prototypes in macro HAVE_cmpstrsi.
23571 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23573 * emit-rtl.c (operand_subword): Remove unused variable
23576 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23578 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23580 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23582 * cpphash.c (macroexpand): Delete leading whitespace when arg
23583 is concatenated before.
23584 (unsafe_chars): Correct test for whether + and - can extend a
23587 * cppinit.c (cpp_start_read): Do dependencies for
23588 -include/-imacros files also.
23590 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23591 tokenizing non-directive lines.
23592 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23593 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23596 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23598 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23600 * c-lex.c: Sync with C++ frontend.
23601 (linemode): New variable.
23602 (parse_float): imag, conversion_errno, and type are output only.
23603 (yylex): Adjust. Move initial '.' case into main switch.
23605 (handle_generic_pragma): Just deal with tokens.
23606 (readescape): Use ISXDIGIT and ISGRAPH.
23607 * c-parse.in: Add END_OF_LINE token.
23609 * c-lex.c (lang_init): Generalize.
23610 (nextchar): Remove. Replace uses with UNGETC.
23611 (skip_white_space): Handle linemode here. Optimize for cpplib.
23612 (skip_white_space_on_line): Remove.
23613 (extend_token_buffer_to): New fn.
23614 (extend_token_buffer): Use it.
23615 (read_line_number, check_newline): Just deal with tokens.
23616 (token_getch, token_put_back): New fns.
23617 (yylex): Use them. More cpplib optimizations. Simplify.
23619 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23620 Jason Merrill <jason@yorick.cygnus.com>
23622 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23623 (consume_string): Make this smart about USE_CPPLIB.
23624 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23625 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23626 Also, clean up cases where we redundantly set token_buffer[0].
23627 (read_line_number): New fn.
23628 (ignore_escape_flag): New variable.
23630 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23632 * a29k/t-a29kbare: Fix some comments.
23633 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23634 (FPBIT, DPBIT): Define.
23635 * a29k/t-vx29k: Likewise.
23636 * arc/t-arc: Likewise.
23637 * arm/t-arm-elf: Likewise.
23638 * arm/t-bare: Likewise.
23639 * arm/t-pe: Likewise.
23640 * arm/t-pe-thumb: Likewise.
23641 * arm/t-semi: Likewise.
23642 * arm/t-thumb: Likewise.
23643 * arm/t-thumb-elf: Likewise.
23644 * arm/t-thumb-linux: Likewise.
23645 * h8300/t-h8300: Likewise.
23646 * i960/t-i960: Likewise.
23647 * i960/t-vxworks960: Likewise.
23648 * m32r/t-m32r: Likewise.
23649 * mips/t-ecoff: Likewise.
23650 * mips/t-elf: Likewise.
23651 * mips/t-r3900: Likewise.
23652 * pa/t-pro: Likewise.
23653 * rs6000/t-aix43: Likewise.
23654 * rs6000/t-beos: Likewise.
23655 * rs6000/t-newas: Likewise.
23656 * rs6000/t-ppccomm: Likewise.
23657 * rs6000/t-rs6000: Likewise.
23658 * rs6000/t-winnt: Likewise.
23659 * rs6000/t-xnewas: Likewise.
23660 * rs6000/t-xrs6000: Likewise.
23661 * sh/t-sh: Likewise.
23662 * sparc/t-elf: Likewise.
23663 * sparc/t-sparcbare: Likewise.
23664 * sparc/t-sparclite: Likewise.
23665 * sparc/t-splet: Likewise.
23666 * v850/t-v850: Likewise.
23667 * mn10200/t-mn10200: Fix comments.
23668 * mn10300/t-mn10300: Likewise.
23670 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23671 dummy operand. Allocate a new pseudo for the dummy operand.
23672 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23674 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23676 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23678 * configure: Rebuilt.
23679 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23681 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23683 * recog.c (preproces_constraints): Zero recog_op_alt before
23684 processing the constraints.
23686 * arm.c (typedef minipool_node): Renamed from pool_node.
23687 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23688 (add_minipool_constant): New function.
23689 (dump_minipool): New function.
23690 (find_barrier): Remove special case for getting the insn size of
23691 an insn that references the constant pool.
23692 (minipool_fixup): New structure.
23693 (push_minipool_barrier): New function.
23694 (push_minipool_fix): New function.
23695 (note_invalid_constants): New function.
23696 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23697 (arm_reorg): Rewrite code to fix up the constant pool into a
23698 series of mini-pools embedded in the insn stream.
23699 (arm_output_epilogue): New function, made mainly from the body
23700 of output_func_epilogue.
23701 (output_func_epilogue): Move insn generation part of epilogue code
23702 to arm_output_epilogue.
23703 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23704 * arm.md (pool_range): New attribute.
23705 (zero_extendqidi2): Add attribute pool_range.
23706 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23707 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23708 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23709 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23710 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23711 (epilogue): New expand.
23712 (epilogue_insn): New insn. Call arm_output_epilogue.
23714 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23715 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23717 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23719 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23721 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23723 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23725 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23727 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23729 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23731 * global.c: Fix comment.
23733 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23735 * gcc.c (access_check): New static function.
23736 (find_a_file): Use it when searching a directory list.
23737 * collect2.c (find_a_file): Don't accept directories found when
23738 searching a directory list.
23740 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23742 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23743 function parameters with `&'.
23744 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23746 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23748 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23749 or tidy_fallthru_edge if the last insn in the block is not
23750 an unconditional jump or a simple conditional jump.
23752 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23754 * Makefile.in (c-decl.o): Depends on defaults.h.
23756 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23758 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23760 (CLASS_MAX_NREGS): Likewise.
23762 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23764 * cse.c (cse_insn): Fix dumb thinko in last change.
23766 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23768 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23771 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23773 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23774 test for sizes of passed and declared parameter types.
23776 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23778 * fixincludes: Fix the return type of bsearch, char* -> void*.
23780 * fixinc/inclhack.def: Likewise.
23782 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23784 * invoke.texi (-fdump-translation-unit): New option.
23786 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23788 * expr.h (PROMOTE_PROTOTYPES): Move ...
23789 * defaults.h: ... to here.
23790 * c-decl.c: Include defaults.h instead of expr.h.
23791 * c-typeck.c: Include defaults.h.
23793 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23795 * toplev.h (errorcount): Declare.
23796 (warningcount): Likewise.
23797 (sorrycount): Likewise.
23798 * c-lex.c (errorcount): Don't declare.
23799 * dwarf2out.c (errorcount): Don't declare.
23801 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23803 * config/libgloss.h: Add a note discouraging use with ELF.
23804 * configure.in: Don't use libgloss.h for ELF targets.
23805 Always use_collect2 on a.out targets.
23807 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23809 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23810 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23812 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23814 * loop.c (strength_reduce): When doing biv->giv conversion, update
23815 reg note of NEXT->insn.
23817 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23819 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23821 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23823 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23824 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23825 Ensure expr.h is included.
23826 * c-typecheck.c (convert_arguments): Ditto.
23828 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23830 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23831 * config/convex/convex.h: Ditto.
23832 * config/dsp16xx/dsp16xx.h: Ditto.
23833 * config/fx80/fx80.h: Ditto.
23834 * config/gmicro/gmicro.h: Ditto.
23835 * config/i370/i370.h: Ditto.
23836 * config/i386/i386.h: Ditto.
23837 * config/m32r/m32r.h: Ditto.
23838 * config/m68k/m68k.h: Ditto.
23839 * config/m88k/m88k.h: Ditto.
23840 * config/mips/mips.h: Ditto.
23841 * config/pa/pa.h: Ditto.
23842 * config/pyr/pyr.h: Ditto.
23843 * config/tahoe/tahoe.h: Ditto.
23844 * config/we32k/we32k.h: Ditto.
23846 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23847 based on arch size.
23849 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23851 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23854 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23856 1999-08-02 Richard Henderson <rth@cygnus.com>
23858 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23859 for the register spill block.
23860 (m32r_va_arg): New.
23861 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23862 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23864 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23865 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23866 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23868 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23870 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23871 MAX_WCHAR_TYPE defined in sparc.h.
23872 * config/sparc/linuxaout.h: Likewise.
23873 * config/sparc/linux64.h: Likewise.
23874 Also default to -mvis if CPU is UltraSPARC.
23876 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23878 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23879 (RTX_OK_FOR_OLO10): Likewise.
23880 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23881 %lo(), allow it in addresses...
23882 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23883 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23884 does not make sense.
23885 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23886 (sparc_output_scratch_registers): New function.
23887 (output_function_prologue, sparc_flat_output_function_prologue): Use
23889 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23891 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23892 * configure.in: Add check for .register pseudo-op support in as and
23893 check for offsetable %lo().
23894 * acconfig.h: Add templates for the above checks.
23895 * configure: Regenerate.
23897 1999-08-02 Richard Henderson <rth@cygnus.com>
23899 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23900 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23901 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23903 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23905 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23908 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23910 * config/float-sparc.h: New file.
23911 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23912 sparc-*-linux-gnu and sparc64-*-linux*.
23914 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23916 * rs6000.c (rs6000_va_list): Type is an array.
23917 (rs6000_va_start): Don't doubly adjust for varargs.
23918 (rs6000_va_arg): Evaluate long long GPR adjustment.
23920 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23922 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23923 -maix64 and -maix32.
23924 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23925 LINK_SPEC): Change appropriately.
23926 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23927 (u_short_cint_operand): Likewise.
23928 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23930 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23932 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23934 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23936 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23937 for type promotion.
23938 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23939 (non_add_cint_operand): Likewise.
23940 (logical_operand): Likewise.
23941 (non_logical_cint_operand): Likewise.
23942 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23943 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23944 (rs6000_select_rtx_section): Suppress warning.
23945 (small_data_operand): Suppress warning.
23946 (rs6000_got_register): Suppress warning.
23947 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23948 type, so `J' is generally the wrong constraint for a SImode value;
23950 (andsi3_internal2): Likewise.
23951 (andsi3_internal3): Likewise.
23952 (iorsi3_internal1): Likewise.
23953 (xorsi3_internal1): Likewise.
23955 (movsf_softfloat): Likewise.
23956 (scc insns): Likewise.
23957 (movsi+2): Preserve sign bits of SImode constant.
23958 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23959 (movdf+1): Sign-extend properly.
23960 (movdi_32+1): Sign-extend properly.
23961 (scc insns): Sign-extend properly.
23963 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23966 1999-08-02 Richard Henderson <rth@cygnus.com>
23968 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23969 -mcpu parsing code.
23970 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23971 * alpha.md (all fp insns): Likewise.
23973 1999-08-02 Nick Clifton <nickc@cygnus.com>
23975 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23978 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23980 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23981 pic_load_label generator directly.
23982 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23983 No longer a named pattern.
23985 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23987 * explow.c (force_reg): Call force_operand if X does not
23988 satisfy general_operand.
23990 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23992 * fix-header.c (main): When testing for CONTINUED, use string
23993 equality, not pointer equality.
23995 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23997 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23999 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24001 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24002 that has become an unconditional jump.
24004 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24005 (output_function_epilogue): Similarly.
24007 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24009 * tree.h (init_dummy_function_start): Declare.
24011 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24013 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24014 last_expr_type, last_expr_value, block_start_count, block_stack,
24015 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24016 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24017 dynamically in stmt elt of struct function for each function.
24018 (struct nesting): Rename function_call_count elt to n_function_calls,
24019 target_temp_slot_level to block_target_temp_slot_level. All users
24021 (struct stmt_status): New structure definition.
24022 Add many accessor macros for stmt_status elements which previously
24023 were global variables.
24024 (init_stmt_for_function): Allocate stmt elt for current_function.
24025 Reflect that block_start_count was renamed to
24026 current_block_start_count.
24027 (save_stmt_status, restore_stmt_status): Delete functions.
24028 (preserve_subexpressions_p): Don't access loop_stack when outside
24030 (expand_start_bindings): Reflect that block_start_count was renamed to
24031 current_block_start_count.
24032 (expand_fixup): Likewise.
24033 (expand_decl): Don't access block_stack when outside a function.
24034 (expand_decl_cleanup): Likewise.
24035 (expand_dcc_cleanup): Likewise.
24036 (expand_dhc_cleanup): Likewise.
24037 (expand_anon_union_decl): Likewise.
24038 (set_file_and_line_for_stmt): New function.
24039 (in_control_zone_p): New function.
24041 * function.h (struct function): Add new elt stmt.
24042 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24043 case_stack, nesting_stack, nesting_depth, block_start_count,
24044 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24045 emit_lineno, goto_fixup_chain.
24046 (save_eh_status, restore_eh_status, save_stmt_status,
24047 restore_stmt_status): Delete declarations.
24048 * function.c (push_function_context_to): Don't call save_stmt_status.
24049 (pop_function_context_to): Don't call restore_stmt_status.
24050 * tree.h (in_control_zone_p): Declare.
24051 * rtl.h (set_file_and_line_for_stmt): Declare.
24053 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24054 call set_file_and_line_for_stmt.
24056 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24058 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24059 Also update copyright.
24061 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24063 * c-pragma.c: Don't include "except.h".
24064 * emit-rtl.c: Likewise.
24065 * stor-layout.c: Likewise.
24066 * tree.c: Likewise.
24067 * varasm.c: Likewise.
24069 * flow.c: Include "function.h".
24070 * tree.h (init_dummy_function_start): Declare new function.
24072 * except.h (struct eh_status): New structure.
24073 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24075 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24076 catch_clauses, false_label_stack, caught_return_label_stack,
24077 protect_list, current_function_ehc): Add accessor macros for the
24078 corresponding fields in current_function->eh; delete declarations
24079 for all items that used to be declared here.
24080 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24081 catch_clauses, false_label_stack, caught_return_label_stack,
24082 protect_list, current_function_ehc): Delete variables.
24083 (init_eh_for_function): Allocate current_function->eh.
24084 (save_eh_status, restore_eh_status): Delete functions.
24086 * function.h (struct function): Add fields next_global and eh.
24087 Delete all exception handling related fields.
24088 * function.c (current_function): New variable.
24089 (all_functions): New variable.
24090 (push_function_context_to): Don't allocate a struct function,
24091 use current_function instead. Call init_dummy_function_start when
24092 outside a function. Clear current_function before returning.
24093 (pop_function_context_from): Restore current_function.
24094 Don't free the restored struct function.
24095 (prepare_function_start): New function.
24096 (init_dummy_function_start): New function.
24097 (init_function_start): Break out some code into prepare_function_start
24100 * stmt.c (save_stmt_status): Don't call save_eh_status.
24101 (restore_stmt_status): Don't call restore_eh_status.
24103 * Makefile.in: Update dependencies.
24105 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24107 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24108 of depending on a magic constant value. Update comments.
24109 (hppa_expand_prologue): Similarly.
24111 * pa.md (reload_indi, reload_outdi): Allow any register for the
24112 original reload register.
24114 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24116 * cccp.c (print_help): Change marcos to macros.
24118 1999-07-30 Richard Henderson <rth@cygnus.com>
24120 * c-typeck.c (initializer_constant_valid_p): Move ...
24121 * c-common.c (initializer_constant_valid_p): ... here. Use
24122 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24123 of label addresses.
24124 * c-common.h (initializer_constant_valid_p): Declare.
24125 * c-tree.h (initializer_constant_valid_p): Remove.
24127 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24129 * config/i386/sol2-c1.asm: Align the stack.
24130 * config/i386/sol2-gc1.asm: Likewise.
24132 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24134 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24135 -Asparclite for sparc86x.
24136 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24138 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24140 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24142 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24143 the user if using the non-default arch size in BI_ARCH configuration.
24144 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24146 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24147 Fix patterns so that they actually match.
24148 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24149 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24150 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24152 (mulsidi3): Reflect this in the expand.
24153 (smulsi3_highpart): Only on TARGET_ARCH32.
24154 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24155 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24156 (umulsidi3): Reflect this in the expand.
24157 (umulsi3_highpart): Only on TARGET_ARCH32.
24158 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24159 don't require g0 to be zero.
24160 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24161 ({,u}divsi3): New expands.
24162 ({,u}divsi3_sp64): New patterns.
24163 (after lshrdi3_v8plus): Four new patterns to help combiner
24164 optimizing nested mixed mode shifts.
24166 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24167 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24168 speed things up. Don't use them by default on plain v9 in 64bit
24169 mode, according to what SPAMv9 sais.
24171 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24172 top 32 bits of %[og][0-7] in signal handlers.
24173 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24175 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24177 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24178 (ashlsi3): Corresponding changes.
24180 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24182 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24184 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24186 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24188 * arm.h (Hint): Delete macro.
24189 Substitute HOST_WIDE_INT for Hint in some prototypes.
24190 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24192 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24194 * builtins.c (expand_builtin_setjmp): Use force_operand to
24195 make sure that the buffer address is in a suitable form to be
24196 passed to force_reg.
24198 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24200 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24203 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24205 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24206 proper mode in the condition string.
24207 (icacheflush, dcacheflush): Remove modes from match_operands.
24209 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24210 proper mode before using it.
24212 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24215 * pa.c (store_reg): Do not call add_high_const generator directly.
24216 (load_reg, set_reg_plus_d): Likewise.
24217 * pa.md (add_high_const): No longer a named pattern.
24219 * pa.c (legitimize_address): Consistently use Pmode rather than
24220 SImode. Do not call gen_pic2_highpart directly anymore.
24221 * pa.md (pic2_highpart): No longer a named pattern.
24222 (pic2_lo_sum): Similarly. Reformat to make more readable.
24224 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24229 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24231 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24233 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24235 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24236 and tag the spill mems.
24237 (hppa_va_start): New.
24238 (hppa_va_arg): New.
24239 * pa.h (EXPAND_BUILTIN_VA_START): New.
24240 (EXPAND_BUILTIN_VA_ARG): New.
24242 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24244 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24245 and tag the spill mems.
24246 (mn10300_va_start): New.
24247 (mn10300_va_arg): New.
24248 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24249 (EXPAND_BUILTIN_VA_ARG): New.
24251 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24253 * mn10200.c (mn10200_va_arg): New.
24254 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24256 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24258 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24259 rather than play with TREE_INT_CST_LOW.
24261 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24263 * config/arm/telf.h: Include dbxelf.h.
24264 (CPP_PREDEFINES): Only define if not already defined.
24265 (ASM_IDENTIFY_GCC): Likewise.
24266 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24267 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24268 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24270 (DBX_DEBUGGING_INFO): Don't define.
24271 * config/arm/linux-telf.h: New file.
24272 * config/arm/linux-tgas.h: New file.
24273 * config/arm/t-thumb-linux: New file.
24274 * config/arm/uclinux-elf.h: New file.
24275 * config/arm/uclinux-telf.h: New file.
24276 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24277 thumb-*-uclinux): New targets.
24278 * configure: Regenerate.
24280 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24282 * pa.md (post_store, pre_load): New expanders.
24283 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24284 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24285 need to directly generate RTL for them.
24286 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24289 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24291 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24292 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24293 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24294 (secndary_reload_class): Make TARGET_ELF conditional compile.
24295 (print_operand_address): Similar.
24296 (output_toc): Print all values as hex.
24297 (get_issue_rate): Rearrange and add RS64A and PPC630.
24298 * rs6000.h (processor_type): Add RS64A and PPC630.
24299 (PROCESSOR_POWERPC64): New.
24300 (PROMOTE_MODE): Use word_mode.
24301 (RTX_COSTS): Add RS64A and PPC630.
24302 * rs6000.md (scheduling information): Add lmul and ldiv
24303 representing 64-bit integer multiply and divide. Add rs64a and
24304 PPC630 information.
24305 (ashldi3): Add support for "rldic" instruction.
24306 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24308 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24310 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24311 instead of V8 for sparclite86x in cpu_table.
24313 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24315 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24316 output_file_directive.
24318 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24320 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24321 tree for op1, not the rtl.
24323 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24325 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24326 to m88k_va_start, leaving only the register spill.
24327 (m88k_build_va_list): New.
24328 (m88k_va_start): New.
24329 (m88k_va_arg): New.
24330 * m88k.h (BUILD_VA_LIST_TYPE): New.
24331 (EXPAND_BUILTIN_VA_START): New.
24332 (EXPAND_BUILTIN_VA_ARG): New.
24334 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24336 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24337 Rename from expand_builtin_saveregs.
24338 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24340 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24342 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24343 for the register spill block.
24344 (i960_build_va_list): New.
24345 (i960_va_start): New.
24346 (i960_va_arg): New.
24347 * i960.h (BUILD_VA_LIST_TYPE): New.
24348 (EXPAND_BUILTIN_VA_START): New.
24349 (EXPAND_BUILTIN_VA_ARG): New.
24350 * i960.md (store_multiple): Use change_address on individul mems.
24352 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24354 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24356 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24357 (expand_builtin_va_end): Evaluate arg for side effects.
24358 * c-common.c (c_common_nodes_and_builtins): Construct a
24359 va_list_arg_type_node to handle array decomposition to pointer.
24361 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24363 * except.c (st_dynamic_cleanup): Use force_operand on the
24366 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24368 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24369 * c4x.c (c4x_va_arg): New.
24371 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24373 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24374 has manual_pop set.
24376 1999-07-26 Nathan Sidwell <nathan@acm.org>
24378 * eh-common.h (__eh_matcher): Prototype correctly.
24380 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24382 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24383 (TARGET_SINGLE_PIC_BASE): Likewise.
24384 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24386 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24387 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24388 (TARGET_OPTIONS): Add -mpic-register=N.
24389 (OUTPUT_INT_ADDR_CONST): New macro.
24390 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24391 LEGITIMATE_PIC_OPERAND_P): Likewise.
24392 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24393 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24394 output_addr_const directly.
24395 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24397 (thumb_pic_register, thumb_pic_register_string): Declare.
24399 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24401 (label_mentioned_p): New function: Imported from arm.c.
24402 (legitimize_pic_address): New function: Imported from arm.c.
24403 (is_pic):New function: Imported from arm.c.
24404 (thumb_finalize_pic):New function: Imported from arm.c.
24405 (add_constant): Cope with PIC constants.
24406 (fixit): Cope with PIC constants.
24407 (output_return): Do not treat the PIC register as live if
24408 TARGET_SINGLE_PIC_BASE is true.
24409 (thumb_function_prologue): Do not treat the PIC register as live if
24410 TARGET_SINGLE_PIC_BASE is true.
24411 (thumb_expand_prologue): Do not treat the PIC register as live if
24412 TARGET_SINGLE_PIC_BASE is true.
24413 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24414 TARGET_SINGLE_PIC_BASE is true.
24415 (thumb_print_operand): Accept '|'.
24416 (thumb_override_options): Process PIC options.
24418 * config/arm/thumb.md (movsi): Support PIC.
24419 (call_insn): Change "i" constraint to "X".
24420 (call_value_insn): Likewise.
24421 (consttable_4, consttable_8, consttable_end): Set and clear
24422 "making_const_table" as appropriate.
24423 (pic_load_addr, pic_add_dot_plus_four): New insns.
24425 * invoke.texi (Thumb Options): Fix spelling. Document new
24426 options -msingle-pic-base and -mpic-register=.
24428 1999-07-26 Andrew Haley <aph@cygnus.com>
24430 * config/m32r/initfini.c (__init): Use a full word immediate for
24431 __fini: this allows it to be placed in any memory region.
24433 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24434 -mmodel=medium. This is OK for all memory models.
24436 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24438 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24439 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24441 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24443 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24446 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24448 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24450 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24451 (BUILD_VA_LIST_TYPE): New.
24452 (EXPAND_BUILTIN_VA_START): New.
24453 (EXPAND_BUILTIN_VA_ARG): New.
24454 * i860.c (output_delayed_branch): Disable.
24455 (output_delay_insn): Likewise.
24456 (i860_saveregs): New.
24457 (i860_build_va_list): New.
24458 (i860_va_start): New.
24459 (i860_va_arg): New.
24460 * i860.md: Disable all peepholes using output_delayed_branch.
24461 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24463 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24465 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24466 (BUILD_VA_LIST_TYPE): New.
24467 (EXPAND_BUILTIN_VA_START): New.
24468 (EXPAND_BUILTIN_VA_ARG): New.
24469 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24470 Return the address of the save area.
24471 (clipper_build_va_list): New.
24472 (clipper_va_start): New.
24473 (clipper_va_arg): New.
24475 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24477 * arc.h (EXPAND_BUILTIN_VA_START): New.
24478 (EXPAND_BUILTIN_VA_ARG): New.
24479 * arc.c (arc_setup_incoming_varargs): Set alias set of
24481 (arc_va_start): New.
24484 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24486 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24487 (BUILD_VA_LIST_TYPE): New.
24488 (EXPAND_BUILTIN_VA_START): New.
24489 (EXPAND_BUILTIN_VA_ARG): New.
24490 * alpha.c (alpha_builtin_saveregs): Delete.
24491 (alpha_build_va_list): New.
24492 (alpha_va_start): New.
24493 (alpha_va_arg): New.
24495 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24497 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24499 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24500 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24502 * gcc.texi: More changes related to list conversion.
24503 * invoke.texi: Likewise.
24505 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24507 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24508 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24509 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24510 (stabilize_va_list): New function.
24511 (std_expand_builtin_va_start): New function.
24512 (expand_builtin_va_start): New function.
24513 (get_varargs_alias_set): New function.
24514 (std_expand_builtin_va_arg): New function.
24515 (expand_builtin_va_arg): New function.
24516 (expand_builtin_va_end): New function.
24517 (expand_builtin_va_copy): New function.
24518 (expand_builtin): Call them.
24519 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24520 __builtin_{varargs_start,stdarg_start,end,copy}.
24521 (build_va_arg): New function.
24522 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24523 (build_va_arg): Declare.
24524 * c-decl.c (ptr_type_node, va_list_type_node): New.
24525 * c-parse.gperf (__builtin_va_arg): New.
24526 * c-parse.in (VA_ARG): New token.
24527 (unary_expr): Recognize it.
24528 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24529 * expr.h (std_expand_builtin_va_start): Declare.
24530 (std_expand_builtin_va_arg): Declare.
24531 (expand_builtin_va_arg): Declare.
24532 (get_varargs_alias_set): Declare.
24533 * tree.def (VA_ARG_EXPR): New.
24534 * tree.h (BUILT_IN_VARARGS_START): New.
24535 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24536 (ptr_type_node, va_list_type_node): Declare.
24537 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24538 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24539 * m88k.h, m88k.c: Likewise.
24540 * mn10300.h, mn10300.c: Likewise.
24541 * pa.h, pa.c: Likewise.
24542 * rs6000.h, rs6000.c: Likewise.
24543 * sh.h, sh.c: Likewise.
24544 * sparc.h, sparc.c: Likewise.
24546 * emit-rtl.c (operand_subword): Copy alias set.
24547 (change_address): Likewise.
24549 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24551 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24552 not just the first one.
24554 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24556 * config/arm/arm.h (TARGET_SWITCHES): Add
24557 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24558 (TARGET_OPTIONS): Add -mpic-register=.
24559 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24560 (arm_pic_register_string): Declare.
24561 (NEED_PLT_GOT): Delete, replace with ...
24562 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24563 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24564 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24565 * config/arm/arm.c (arm_override_options): Add new option
24567 (arm_pic_register_string): New variable.
24568 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24569 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24570 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24571 (output_return_instruction): Likewise.
24572 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24573 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24574 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24576 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24577 mention of -msched-prolog. Document new options -msingle-pic-base
24578 and -mpic-register=.
24580 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24582 * haifa-sched.c (reemit_notes): Tidy.
24583 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24586 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24588 * explow.c (trunc_int_for_mode): New function.
24589 (plus_constant_wide): Use it.
24590 * combine.c (simplify_and_const_int): Likewise.
24591 (merge_outer_ops): Likewise.
24592 (simplify_shift_const): Likewise.
24593 * cse.c (simplify_unary_operation): Likewise.
24594 (simplify_binary_operation): Likewise.
24595 * emit-rtl.c (operand_subword): Likewise.
24596 * rtl.h: Declare it.
24598 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24600 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24601 (use NUM_REGS instead of NUM_INTS).
24603 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24605 * builtins.c: New file.
24606 * expr.c (saveregs_value, apply_args_value): Delete definition,
24607 moved into builtins.c.
24608 (string_constant): No longer static.
24609 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24610 apply_args_size, apply_result_size, result_vector,
24611 expand_builtin_apply_args, expand_builtin_apply,
24612 expand_builtin_return): Delete functions, moved into builtins.c.
24613 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24614 * expr.h (saveregs_value, apply_args_value): Declare variables.
24615 (expand_builtin, string_constant): Declare functions.
24616 * Makefile.in: Update to build builtin.o.
24618 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24620 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24621 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24622 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24623 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24625 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24628 1999-07-21 Michael Meissner <meissner@cygnus.com>
24630 * print-rtl.c (print_rtx): Print the names of the virtual
24633 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24635 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24636 introduced in previous delta.
24638 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24640 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24641 to avoid name clash.
24643 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24645 * c-lex.c (yylex) : Correct the test for overflow when lexing
24648 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24650 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24651 (adjust_priority): Always call ADJUST_PRIORITY.
24652 (schedule_insn): Only put insns into the ready at cost 0.
24653 (schedule_block): Remove redundant initial sort. Give clock_var
24654 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24656 * tm.texi (MD_SCHED_REORDER): Update docs.
24658 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24659 * sparc.c (ultra_reorder_called_this_block): Delete.
24660 (ultrasparc_sched_init): Don't set it.
24661 (ultrasparc_sched_reorder): Don't check it.
24663 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24665 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24666 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24667 (function_arg_boundary): Align DFmode.
24668 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24669 to get fp reg and stack overflow correct.
24670 (function_arg): Likewise.
24671 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24672 (setup_incoming_varargs): Restructure for ABI_V4; use
24673 function_arg_advance to skip final named argument.
24674 (expand_builtin_saveregs): Properly unskip the last integer arg
24675 when doing varargs. Adjust overflow location calculation.
24677 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24678 explicitly unsigned.
24679 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24680 (__VA_GP_REGSAVE): Similarly.
24681 (__va_longlong_p): Delete.
24682 (__va_arg_type_violation): New declaration.
24683 (va_arg): Restructure. Flag promotion errors. Align double.
24684 TFmode passed by reference.
24686 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24687 in the HOST_BITS_PER_WIDE_INT > 32 case.
24689 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24691 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24693 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24695 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24696 * toplev.c (documented_lang_options): Add -fpreprocessed.
24697 * cpplib.h (struct cpp_buffer): Add preprocessed.
24698 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24699 (cpp_start_read): Don't expand macros or emit an initial #line
24700 directive if -fpreprocessed.
24702 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24704 * cpplib.h (struct cpp_buffer): Added manual_pop for
24705 better C++ tokenization.
24706 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24707 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24708 * c-common.c (cpp_token): Make non-static.
24710 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24712 * c-common.h: New file.
24713 * c-common.c (permanent_obstack): Delete unused declaration.
24714 (c_global_trees): New array.
24715 (c_common_nodes_and_builtins): New function; split off common code
24716 from init_decl_processing in both c-decl.c and cp/decl.c.
24717 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24718 c_global_trees and accessor macros defined in c-common.h.
24719 Include c-common.h.
24720 * c-decl.c: Delete definitions for tree nodes that were replaced by
24722 (init_decl_processing): Build void_list_node.
24723 Call c_common_nodes_and_builtins; delete code to generate the common
24725 * objc/objc-act.c (build_module_descriptor): Rename variable
24726 void_list_node to avoid clash with c-common.h.
24728 * Makefile.in: Update dependencies.
24729 * objc/Make-lang.in: Likewise.
24731 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24733 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24734 (UNIQUE_SECTION_P): Likewise.
24735 (UNIQUE_SECTION): Likewise.
24737 1999-07-19 Linas Vepstas <linas@linas.org>
24739 * config/i370/README: New file.
24740 * config/i370/linux.h: New file.
24741 * config/i370/mvs.h: New file.
24742 * config/i370/oe.h: New file.
24743 * config/i370/t-linux: New file.
24744 * config/i370/t-mvs: New file.
24745 * config/i370/t-oe: New file.
24746 * config/i370/x-oe: New file.
24747 * config/i370/xm-linux.h: New file.
24748 * config/i370/xm-mvs.h: New file.
24749 * config/i370/xm-oe.h: New file.
24751 * i370.c (label_node_t): Add first_ref_page, label_addr,
24752 label_first_ref, label_last_ref members.
24753 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24754 (MAX_MVS_LABEL_SIZE): Define.
24755 (MAX_LONG_LABEL_SIZE): Define.
24756 (alias_node_t, alias_anchor, alias_number): New.
24757 (mvs_function_table): Reorder for EBCDIC.
24758 (ascebc, ebcasc): Unconditionally define.
24759 (i370_branch_dest, i370_branch_length): New functions.
24760 (i370_short_branch, i370_label_scan): New functions.
24761 (mvs_get_label): Renamed from mvs_add_label. Search for
24762 an existing label before creating a new one.
24763 (mvs_add_label): New function.
24764 (mvs_get_label_page): New function.
24765 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24766 over the entire list.
24767 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24768 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24769 (mvs_add_alias, mvs_need_alias): New functions.
24770 (mvs_get_alias, mvs_check_alias): New functions.
24771 (handle_pragma): New function.
24772 (mvs_function_check): New function.
24773 (unsigned_jump_follows_p): Search harder.
24774 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24775 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24776 * i370.h (TARGET_VERSION): Delete.
24777 (CPP_SPEC, CPP_PREDEFINES): Delete.
24778 (mvs_label_emitted): Delete.
24779 (TARGET_EBCDIC): Delete.
24780 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24781 (HANDLE_PRAGMA): Define.
24782 (HARD_REGNO_NREGS): Handle complex modes.
24783 (HARD_REGNO_MODE_OK): Likewise.
24784 (CLASS_MAX_NREGS): Likewise.
24785 (RET_REG): Likewise.
24786 (EXTRA_CONSTRAINT): Define.
24787 (RETURN_IN_MEMORY): True for DImode.
24788 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24789 (FUNCTION_PROFILER): Delete.
24790 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24791 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24792 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24793 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24794 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24795 (ASM_FILE_START): Add "RMODE ANY".
24796 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24797 (ASM_GLOBALIZE_LABEL): Likewise.
24798 (ASM_OUTPUT_LABELREF): Likewise.
24799 (ASM_OUTPUT_COMMON): Likewise.
24800 (PRINT_OPERAND): Handle 'K', 'W', default.
24801 (PRINT_OPERAND_ADDRESS): New.
24802 (Lots of defines): Add support for TARGET_ELF_ABI.
24803 * i370.md (attr length): New. Define for all patterns.
24804 (*): Lots of tweeks to assembly output and constraints.
24806 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24808 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24809 Disable patterns performing SImode comparisons with SImode values
24810 if TARGET_POWERPC64 and instruction does not sign-extend or does
24811 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24812 differ for signed quantities.
24813 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24814 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24815 (decrement_and_branch_on_count): Add 64-bit variant.
24817 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24819 * final.c (output_asm_insn): When searching for the matching string
24820 for a given dialect, don't run past the end of the list of
24821 alternatives if there are fewer alternatives in the template than
24824 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24826 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24827 Removed paragraph about compression of files and size limitation,
24828 duplicated in the FAQ. Use gcc-patches for posting patches.
24829 * gcc.c (main): Updated URL with bug reporting instructions to
24830 gcc.gnu.org. Removed e-mail address.
24831 * system.h (abort): Likewise.
24833 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24835 * Makefile.in (stmp-multilib-sub): Make the files extracted
24836 from $(LIBGCC1) writable.
24838 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24840 * config/arm/aout.h: Reformat for improved readability.
24842 * config/arm/arm.h: Reformat for improved readability.
24843 Replace uses of fprintf with asm_fprintf where appropriate.
24844 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24845 function declaration assembler actions.
24846 (NUM_INTS): New macro: Convert from bytes to words.
24847 (NUM_REGS): New macro: Compute number of registers required to
24848 hold a quanitity of tyep MODE.
24849 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24851 (NUM_ARG_REGS): New macro: The number of argument registers
24853 (ARG_REGISTER): New macro: Compute the register number of the Nth
24855 (LAST_ARG_REGNUM): New macro: The number of the last argument
24857 (SP_REGNUM): New macro: Register number of the stack pointer.
24858 (FP_REGNUM): New macro: Register number of the frame pointer.
24859 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24860 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24861 CUMULATIVE_ARGS so that it counts registers not bytes.
24863 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24865 Replace uses of fprintf with asm_fprintf where appropriate.
24866 (output_ascii_pseudo_op): Replace with version from thumb.c
24868 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24870 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24871 SUBTARGET_CPP_SPEC.
24872 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24873 (ASM_FILE_START): Emit ASM_APP_OFF.
24875 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24877 * pa.c (compute_frame_size): Round frame according to
24878 STACK_BOUNDARY rather than a hardwired value.
24880 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24882 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24884 * configure: Rebuilt.
24886 * configure.in (hppa*-*-linux*): New configuration.
24887 * configure: Rebuilt.
24888 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24889 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24890 * pa/pa-linux.h: New file.
24891 * pa/t-linux: New file.
24892 * pa/xm-linux.h: New file.
24894 * pa.c (hppa_legitimize_address): Change references from SImode to
24895 either Pmode or word_mode as appropriate.
24896 (emit_move_sequence, store_reg, load_reg): Likewise.
24897 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24898 (output_mul_insn): Likewise.
24899 * pa.h (PROMOTE_MODE): Likewise.
24900 (INITIALZE_TRAMPOLINE): Likewise.
24901 (Pmode): Define to word_mode.
24903 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24904 value of 4. Allocate 8 bytes for each FP register save.
24905 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24907 (hppa_expand_prologue): Likewise.
24908 * pa.h (PROMOTE_MODE): Likewise.
24909 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24910 (FUNCTION_ARG_BOUNDARY): Likewise.
24912 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24914 * pa.c (out_of_line_prologue_epilogue): Delete.
24915 (override_options): Remove -mspace related code.
24916 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24917 (compute_frame_size): Only allocate space for register that
24918 actually need to be saved.
24919 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24920 (TARGET_SWITCHES): Remove -mspace, -mno-space
24921 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24922 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24923 * pa/ee.asm, pa/ee_fp.asm: Delete.
24925 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24927 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24928 directive in column zero.
24930 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24932 * m68k.c (output_function_prologue): Fix computation of save mask
24933 when generating PIC code.
24935 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24937 * tree.c (build_type_attribute_variant): Move current_obstack restore
24938 after build_qualified_type call.
24940 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24942 * configure.in: Use t-iris6, even with GNU LD.
24943 * config/mips/iris6gld.h: Fix typo in linker spec.
24944 * config/mips/t-iris6gld: Remove.
24946 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24948 * rs6000.md (insv, extzv): Remove SImode dependence in named
24949 patterns. Explicitly generate DImode RTL if PowerPC64 and
24951 (insvdi): Reverse start and size in instruction template.
24953 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24955 * invoke.texi: Typo fixes.
24957 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24959 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24960 handle at this time instead of silently generating incorrect code.
24961 (gen_imagpart): Likewise.
24963 * reload.c (find_reloads): Emit a USE for a pseudo register without
24964 a hard register if we could not create an optional reload for the
24967 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24969 * c-typeck.c (output_init_element, process_init_element):
24970 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24971 check for nameless bit fields.
24973 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24975 * regclass.c (scan_one_insn): Notice subregs that change the
24976 size of their operand.
24977 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24979 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24981 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24982 * configure: Rebuilt.
24983 * alpha/t-ieee: New file.
24985 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24987 * rs6000.c (find_addr_reg): Do not select r0 as an address
24990 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24992 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24994 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24996 * rs6000.md (movsf): Do not force easy FP constants into memory.
24998 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24999 immed_double_const to ensure they are properly truncated then
25002 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25004 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25005 always unless NO_DEBUG is used. Compile this code
25007 (replace_symbols_in_block): Compile it unconditionally.
25009 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25011 * configure.in (i?86-*-elf*): New target.
25012 * configure: Rebuilt.
25013 * i386/i386elf.h, i386/t-i386elf: New files.
25015 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25017 * toplev.c (main): Don't complain about saying -gdwarf.
25018 (rest_of_compilation): Remove redundant code.
25020 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25022 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25024 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25026 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25027 "Li960R:", to avoid name clash.
25029 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25031 * loop.c (check_dbra_loop): When reversing a loop, delete all
25032 REG_EQUAL notes referencing the reversed biv except those which are
25033 for a giv based on it.
25035 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25037 * version.c: Drop "gcc-" prefix from version #.
25039 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25041 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25042 the label if we're being verbose.
25044 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25046 * m68k.c (output_function_prologue): Add pic register to mask
25047 if live and flag_pic.
25048 (output_function_epilogue): Likewise.
25050 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25052 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25053 directives in column zero.
25055 * pa/elf.h (ASM_FILE_START): Define.
25056 * pa/som.h (ASM_FILE_START): Include .level directives.
25057 * pa/hpux10.h (ASM_FILE_START): Delete.
25058 * pa/hpux11.h (ASM_FILE_START): Delete.
25060 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25062 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25064 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25065 when reload_out equals reload_in.
25067 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25069 * invoke.texi (Spec Files): New node: Describe the contents of
25072 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25074 * invoke.texi (DEC Alpha Options): Put @end table at
25075 beginning of line, to avoid confusing texi2html.
25077 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25079 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25080 introduced in previous delta.
25082 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25084 * reload1.c (gen_reload): When synthesizing a 3 operand add
25085 sequence, improve test for when to reload OP1 into the reload
25086 register instead of OP0.
25088 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25090 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25092 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25094 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25097 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25099 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25100 (va_dcl): Use __builtin_va_alist_t.
25102 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25104 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25105 on the permanent_obstack.
25106 * dwarfout.c (output_type): Likewise.
25108 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25110 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25111 Merged from c-typeck.c and cp/typeck.c.
25112 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25113 Merged into c-common.
25115 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25117 * c-lex.c (errorcount): Declare it.
25118 (finish_parse): Update errorcount when using CPPLIB.
25120 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25122 * fixinc/inclhack.def(end_else_label): Double the backslash so
25123 sed gets a chance to see it.
25124 * fixinc/inclhack.sh: regen
25125 * fixinc/fixincl.x: regen
25127 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25129 Add framework to support armv5 architecture when it becomes
25132 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25133 (arm_arch5): New variable.
25134 (all_architectures): Add armv5 line.
25135 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25136 -march=armv5 is specified on the command line.
25137 (arm_arch5): Export this variable.
25138 * invoke.texi: Document new string accepted by -march= switch for
25141 * config/arm/arm.h: Replace use of constant 12 as a register
25142 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25143 * config/arm/arm.c: Replace use of constant 12 as a register
25144 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25146 * config/arm/elf.h: Tidy up.
25147 * config/arm/coff.h: Tidy up.
25149 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25151 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25152 * gcc/config/mips/t-iris6gld: New file.
25153 * gcc/config/mips/iris6gld.h: Likewise.
25155 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25157 * c-decl.c (widest_integer_literal_type_node,
25158 widest_unsigned_literal_type) : New.
25159 (init_decl_processing): Handle/use the two new types.
25160 * c-common.c (type_for_size,type_for_mode) : Same.
25161 * c-lex.c (yylex) : Same.
25162 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25164 * c-tree.h (widest_integer_literal_type_node,
25165 widest_unsigned_literal_type) : New.
25167 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25169 * dwarfout.c (field_byte_offset): Correctly compute the object's
25170 byte offset for the first bit of a field which crosses an alignment
25171 boundary on a !BYTES_BIG_ENDIAN target.
25173 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25175 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25178 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25179 Jeff Law <law@cygnus.com>
25181 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25184 * except.c: Include intl.h.
25185 (expand_eh_return): Set current_function_cannot_inline.
25186 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25187 * function.h (struct function): Add eh_return_stub_label.
25188 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25189 * Makefile.in (except.o): Depend on intl.h.
25191 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25193 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25194 same as offsettable in cases 1 and 2.
25196 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25198 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25199 (extlh, extwh): Likewise.
25201 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25203 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25205 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25207 * configure.in: Add arm-pe and thumb-pe targets.
25208 * configure: Regenerate.
25210 * thumb.c (arm_naked_function_p): New function: Determines if
25211 a function is naked (has no gcc generated prologue/epilogue).
25212 (is_called_in_ARM_mode): Return true if the func has the
25213 interfacearm attribute.
25214 (output_return): Do not generate a return for naked functions.
25215 (thumb_function_prologue): Do not generate a prologue for
25217 (thumb_expand_prologue): Do not generate a prologue for naked
25219 (thumb_expand_epilogue): Do not generate an epilogue for naked
25221 (arm_valid_machine_decl_attribute): New function, copied from
25222 arm.c: Permit naked and interfacearm attributes.
25224 * config/arm/pe.c: New file: Support code for arm-pe target.
25225 * config/arm/pe.h: New file: Header file for arm-pe target.
25226 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25227 * config/arm/t-thumb-pe: New file: Makefile fragment for
25230 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25232 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25233 -fPIC or -fpic is specified.
25235 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25237 * expr.c (emit_block_move): Use copy_to_mode_reg for
25238 !TARGET_MEM_FUNCTIONS case too.
25240 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25242 * configure: Rebuilt.
25243 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25244 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25245 definitions made redundant by dbxelf.h inclusion. Delete
25246 lots of definitions related to assembly output that are
25247 specific to the SOM object format.
25248 * pa.c (output_function_prologue): Do not emit the function's
25250 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25251 * pa-pro.h: Deleted.
25252 * som.h: New file with SOM specific definitions.
25253 * elf.h: New file with ELF specific definitions.
25255 * elfos.h (const_section): Output a tab before assembler directives.
25256 (ctors_section, dtors_section): Likewise.
25257 (ASM_OUTPUT_SECTION_NAME): Likewise.
25259 * pa/pa1.h: Delete unused file.
25261 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25263 * configure.in (hppa*-hp-hpux11*): New configuration.
25264 * configure: Rebuilt.
25265 * pa/pa-hpux11.h: New file.
25266 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25269 * mips.md (leasi, leadi): New patterns.
25271 * expr.c (emit_block_move): Properly handle case where one of the
25272 block move arguments has a queued increment or decrement.
25273 (clear_storage): Similarly. Fix formatting goof.
25275 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25277 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25278 semicolon from the BSD VA_LIST replacement expression.
25280 * fixinc/inclhack.sh: regen
25281 * fixinc/fixincl.x: regen
25283 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25284 now use the fixincl program.
25286 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25288 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25289 case. Also make the PIC register call_used.
25291 * m68k.h (FINALIZE_PIC): Delete.
25292 * m68k.c (finalize_pic): Delete.
25294 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25296 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25299 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25301 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25303 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25305 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25307 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25309 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25311 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25313 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25315 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25317 * rs6000.c (output_toc): Always use hex values for floating-point
25318 constants. Store single-precision values in upper-half of TOC
25319 entry in 64-bit mode.
25320 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25321 to final constraints.
25322 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25323 (fctiwz): Improve accuracy of RTL for pattern.
25325 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25327 * expr.c (expand_expr): Allow RTL_EXPR's through the
25328 MAX_INTEGER_COMPUTATION_MODE checks.
25330 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25332 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25333 such that MASK_SUPPORT_ARCH is not negative.
25335 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25337 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25338 ADDR_DIFF_VEC insns that appear inside loops.
25340 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25341 Jeff Law <law@cygnus.com>
25343 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25344 Handle LO_SUM the same as offsettable in cases 1 and 2.
25345 * rs6000.c (find_addr_reg): Revert previous patch.
25347 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25349 * system.h (strstr): New external function declaration.
25350 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25351 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25352 * config.in, configure: Rebuilt.
25354 1999-06-24 Tom Tromey <tromey@cygnus.com>
25356 * gcc.c (main): Read user-specified specs files after computing
25357 additional startfile_prefixes.
25359 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25361 Revert these two patches:
25363 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25364 * loop.c (strength_reduce): When doing biv->giv conversion, update
25365 reg note of NEXT->insn.
25367 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25368 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25370 (recombine_givs): Set ix field after sorting.
25372 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25374 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25375 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25377 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25379 *fixinc/inclhack.def: Add fix development commentary
25380 (read_ret_type): reactivate and add selection clause
25381 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25382 *fixinc/{fixincl.x|inclhack.sh}: regen
25384 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25386 * expr.c (expand_expr): STRIP_NOPS before checking against
25387 MAX_INTEGER_COMPUTATION_MODE
25388 (check_max_integer_computation_mode): Likewise.
25390 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25392 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25394 1999-06-22 Jim Wilson <wilson@cygnus.com>
25396 * expr.c (store_expr): When target is a promoted subreg, return a
25397 promoted subreg as a result.
25399 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25401 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25403 (dwarf2out_define): Mark unused parameters appropriately.
25404 (gen_unspecified_parameters_die): Ditto.
25405 (gen_subprogram_die): Fix signed/unsigned warnings.
25406 (gen_variable_die): Ditto.
25408 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25410 * fixinc/inclhack.def(end_else_label): combined else_label
25411 and endif_label and fixed the sed expression.
25412 *fixinc/{fixincl.x|inclhack.sh}: regen
25414 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25416 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25417 'x' when handling non-offsettable addresses
25419 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25421 * final.c (shorten_branches): Don't try to split an insn that has
25424 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25426 * config/mips/mips.c (symbolic_expression_p): New function.
25427 (mips_select_rtx_section): Put symbolic expressions in the
25428 data section, not the read-only data section.
25430 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25432 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25434 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25436 * collect2.c (main): Log frame table count.
25437 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25438 (scan_prog_file) [COFF]: Handle frame tables.
25440 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25441 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25442 * alpha/elf.h: Undef them again.
25443 * alpha/vms.h: Remove their definitions.
25445 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25447 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25448 remove the clobber of r0 and change the REG_UNUSED note to
25451 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25453 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25454 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25455 fits in HOST_WIDE_INT and one uses union to access a long constant
25458 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25460 * sparc.c (sparc_override_options): Don't allow profiling for
25461 code models other than medlow.
25462 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25463 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25464 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25465 (sparc_block_profiler): Likewise.
25466 (sparc_function_block_profiler_exit): Likewise.
25467 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25468 (FUNCTION_BLOCK_PROFILER): Likewise.
25469 (BLOCK_PROFILER): Likewise.
25470 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25471 (MCOUNT_FUNCTION): New.
25472 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25473 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25474 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25475 (MCOUNT_FUNCTION): New.
25476 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25477 (BLOCK_PROFILER): Delete.
25478 (MCOUNT_FUNCTION): New.
25480 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25482 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25484 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25486 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25489 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25492 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25495 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25498 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25500 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25503 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25505 * i386/djgpp.h (LIB_SPEC): New.
25506 (STARTFILE_SPEC): New.
25508 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25510 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25512 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25515 * system.h (WSTOPSIG): New macro.
25517 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25519 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25521 (insert_pack_attributes): Take into account member natural
25524 * i386/winnt.c (exports_head): New static variable.
25525 (i386_pe_record_exported_symbol): New function.
25526 (i386_pe_asm_file_end): Use.
25527 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25528 symbols to be emitted at end of assembly.
25529 (ASM_DECLARE_OBJECT_NAME): Likewise.
25530 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25532 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25535 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25537 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25540 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25542 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25543 zapping reg_last_uses directly.
25544 (sched_analyze_2, sched_analyze_insn): Likewise.
25545 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25547 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25549 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25550 attributes for cases 1 and 2.
25552 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25554 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25557 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25559 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25561 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25563 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25564 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25565 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25566 must be stacked if it is used for PIC accesses.
25567 * arm.c (use_return_insn): Handle PIC register specially.
25568 (output_return_instruction): Likewise.
25569 (output_func_{prologue,epilogue}): Likewise.
25570 (output_expand_prologue): Likewise.
25572 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25573 (*strsi_predec): Renamed from *strqi_predec.
25574 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25575 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25577 * arm.c (arm_override_options): Remove warning about PIC code
25578 not being supported.
25580 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25582 * rs6000.c (find_addr_reg): New function.
25583 * rs6000.h (find_addr_reg): Declare.
25584 (offsettable_addr_operand): Delete.
25585 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25586 from and stores to GPRs.
25588 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25590 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25591 gen_sequence as argument to emit_no_conflict_block.
25593 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25595 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25596 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25597 *fixinc/fixincl.x: regen
25598 *fixinc/inclhack.sh: regen
25600 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25602 * added support for -mpcrel (PC relative addressing for m68k)
25603 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25604 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25605 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25606 (comments for general_src_operand): Add some explanation
25607 about EXTRA_CONSTRAINTS.
25608 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25609 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25610 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25611 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25612 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25613 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25614 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25615 if not already set.
25616 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25617 * m68k.h (TARGET_PCREL): New target flag.
25618 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25619 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25620 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25621 contains a SYMBOL_REF. Relax this constraint during reload, since
25622 we want to use the predicates, not reload's built-in concept of a
25623 valid memory address, to control what insns need reloading.
25624 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25625 operands (essentially 'g', 'm', and 's' under normal circumstances).
25626 * m68k.c (print_operand): Cause printing of pc-relative addresses
25627 to include pc register.
25628 (print_operand_address): Ditto.
25629 (general_src_operand): Accept operands that are not only
25630 general_operands, but are also valid when used as a pc-relative
25632 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25633 (memory_src_operand): Similar, for memory_operands.
25634 (pcrel_address): New predicate to accept the special case of a
25635 pc-relative address.
25636 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25637 QImode insns to accept *_src_operand instead of *_operand where
25638 pc-relative operands can fit. For example, a pc-relative operand
25639 can be used as a memory source operand for addsi3, but not as a
25640 memory destination.
25641 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25643 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25645 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25646 .thumb_set pseudo op to mark aliases of thumb functions.
25648 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25650 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25651 preference to ASM_OUTPUT_DEF, if it is defined.
25653 * tm.texi: Document new, optional target macro
25654 ASM_OUTPUT_DEF_FROM_DECLS.
25656 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25658 * fixincludes: ISCNTL patch
25659 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25660 (dgux_int_varargs): new for DG/UX
25661 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25663 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25665 * invoke.texi (ia32 options): Fix typo.
25667 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25669 * loop.c (strength_reduce): When doing biv->giv conversion, update
25670 reg note of NEXT->insn.
25672 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25674 * loop.c (move_movables): Note issues with replacing REGs with
25676 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25678 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25680 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25682 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25683 the reference to `mcount' was not correct for the ELF on FreeBSD.
25685 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25687 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25690 (recombine_givs): Set ix field after sorting.
25692 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25694 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25695 to safe to extract a subword out of a REG.
25697 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25699 * sh.md (mulsi3): Don't add a no-op move at the end.
25701 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25703 * cse.c (cse_insn): Don't put hard register source into tables for
25704 the last insn of a libcall.
25706 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25708 * loop.c (strength_reduce): Insert sets of derived givs at every
25709 biv increment, even if it's the only one.
25711 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25713 * dwarfout.c (add_incomplete_type): New fn.
25714 (output_type): Call it.
25715 (retry_incomplete_types): New fn.
25716 (dwarfout_finish): Call it.
25718 From Eric Raskin <ehr@listworks.com>:
25719 (output_type): Output types for bases.
25721 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25723 * mips.c (mips_output_conditional_branch): Add `break'
25724 between `default' label and `close braces'.
25726 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25728 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25729 specifications and make it realistic.
25730 (LIB_SPEC): Likewise.
25732 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25734 * config/mips/mips.c (mips_secondary_reload_class): Check for
25735 (PLUS (SP) (REG)) and return appropriate register class.
25736 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25737 Handle (PLUS (SP) (REG)).
25738 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25739 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25740 of emit_insn for tablejump.
25742 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25744 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25745 asm_fprintf format string by itself.
25746 (output_function_profiler): Likewise.
25748 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25750 * combine.c (simplify_logical, case AND): Only call
25751 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25752 or the constant is positive.
25754 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25756 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25757 * configure: Regenerate.
25759 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25761 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25762 require a sub-version #.
25763 * configure: Rebuilt.
25765 1999-06-14 Robert Lipe (robertlipe@usa.net)
25767 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25769 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25771 * c-typeck.c (process_init_element): Detect excess elements in
25772 char array initializer.
25774 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25776 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25778 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25780 * invoke.texi (Option Summary): Add -fpermissive flag.
25782 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25784 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25785 that require PIC code sequences.
25787 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25789 * configure.in: Add new target: thumb-elf.
25790 * configure: Regenerate.
25791 * config/arm/t-thumb-elf: New file: Makefile fragment for
25793 * config/arm/telf.h: New file: Header file for thumb-elf
25796 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25798 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25799 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25800 initializers is some circumstances.
25802 * fixinc/inclhack.def (endif_label): Add additional selector for
25803 more bogus stuff after #endif statements.
25804 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25806 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25808 * i386/cygwin.h (SET_ASM_OP): Define.
25810 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25812 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25814 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25816 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25819 * sh.md (ic_invalidate_line_i): Remove second alternative.
25821 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25823 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25824 test for the presence of valid prototypes. Delete bypass expr.
25825 (ioctl_fix_ctrl): Correct the selection expression.
25826 (no_double_slash): Correct quoting rules
25827 *fixinc/fixincl.x: regen
25828 *fixinc/inclhack.sh: regen
25830 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25832 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25834 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25836 * rs6000.md (movsi_got_internal_mem): Delete.
25837 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25838 (GOT_TOC_REGNUM): Delete.
25839 (PIC_OFFSET_TABLE_REGNUM): Define.
25840 (FINALIZE_PIC): Disable.
25841 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25842 (rs6000_replace_regno): Delete.
25843 (rs6000_finalize_pic): Likewise.
25844 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25846 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25848 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25849 is a note; use <= for the compare; advance P while it is
25852 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25854 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25855 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25857 * varasm.c (remove_from_pending_weak_list): Verify t->name
25858 is non-NULL before passing it to strcmp.
25860 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25862 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25863 the typed arguments are not part of a comment
25864 (ioctl_fix_ctrl): Added a purpose comment
25865 *fixinc/fixincl.x: regenerate
25866 *fixinc/inclhack.sh: regenerate
25868 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25870 * invoke.texi: Add C4x invocation docs.
25872 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25874 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25876 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25878 (c4x_legitimize_reload_address): New function.
25879 * config/c4x/c4x.md: Update docs.
25881 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25883 * fixincludes: Avoid removing '.'.
25884 * fixinc/fixinc.svr4: Likewise.
25885 * fixinc/fixinc.winnt: Likewise.
25886 * fixinc/inclhack.tpl: Likewise.
25887 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25889 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25891 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25893 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25895 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25897 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25900 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25902 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25903 * configure: Regenerate.
25905 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25907 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25910 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25912 * fixinc/inclhack.def (avoid_bool): Also catch
25913 "typedef [unsigned] int bool".
25914 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25916 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25917 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25918 * configure: Rebuilt.
25920 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25922 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25923 such that we can override its definitions if necessary.
25924 (CPP_SPEC): New define. Support processor specific predefines via
25926 (CC1_SPEC): New define. Support processor specific compiler
25927 options via %(cc1_cpu).
25928 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25931 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25933 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25934 between sed's -e flag, and the open-quote following it.
25935 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25937 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25938 Jeffrey A Law (law@cygnus.com)
25940 * varasm.c (assemble_start_function): Remove the function
25941 from the pending weak decls list when we define a function.
25942 (assemble_variable): Similarly for variables.
25943 (weak_finish): Ignore items on the list with a NULL name.
25944 (remove_from_ending_weak_list); New function to "remove" an item
25945 from the pending weak declarations list.
25947 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25949 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25951 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25953 * c-lex.c (GETC): Redefine to call getch.
25954 (UNGETC): Redefine to call put_back.
25955 (putback_buffer): New structure type.
25956 (putback): New static structure.
25957 (getch): New function.
25958 (put_back): New function.
25959 (yylex): Replace unused bytes from bad multibyte character.
25961 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25963 * cpplib.c (do_define): Cast `alloca' return value.
25964 (do_include, do_undef, do_pragma): Likewise.
25965 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25967 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25968 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25970 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25972 * sparc.md (abstf2): This should be an expand.
25973 (split after abstf2_notv9): Fix mode.
25974 (abstf2_hq_v9): New pattern.
25975 (abstf2_v9): Only use when no hard quad.
25976 (absdf2_v9): Fix if target is not the same as source.
25977 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25978 Add correct output constraints.
25980 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25982 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25983 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25985 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25987 * mips.h (mips_output_conditional_branch): New function.
25988 (mips_adjust_insn_length): Likewise.
25989 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25990 (ADJUST_INSN_LENGTH): Likewise.
25991 * mips.c (print_operand): Add `F' and `W' for floating-point
25992 comparison opcodes.
25993 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25995 (mips_adjust_insn_length): New function.
25996 (mips_output_conditional_branch): New function.
25997 * mips.md (length): Adjust attribute definition to handle
25998 conditional branches. Change lengths to bytes, rather than
25999 instructions throughout. Remove length attribute from
26000 instructions whose length is four bytes, and rely on the default
26002 (dslot): Fix typo in comment.
26003 Reword conditional branch patterns to use
26004 mips_output_conditional_branch.
26006 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26008 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26009 (LIB_SPEC): Likewise.
26010 Link with -lprof1_r for -g/-pg.
26012 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26014 * loop.c (check_dbra_loop): Fix change of Jan 19.
26016 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26018 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26019 (STARTFILE_SPEC): Define, override the svr4.h version.
26020 (ENDFILE_SPEC): Likewise.
26022 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26024 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26025 * fixinc/fixincl.x: Regenerated.
26026 * fixinc/inclhack.sh: Regenerated.
26028 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26030 * sh.c (barrier_align): Don't return early for normal branch/barrier
26031 when optimizing for SH2.
26033 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26035 * i386/udk.h (LINK_SPEC): Correct linker search path for
26038 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26040 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26041 (braf_label_ref_operand): Delete.
26042 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26043 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26044 label_ref, and has no predicate.
26045 The patten has a predicate to guard against invalid substitutions.
26046 (dummy_jump): Delete.
26047 (casesi): Update use of casesi_jump_2.
26049 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26051 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26052 *fixinc/fixincl.x: regenerate
26053 *fixinc/inclhack.sh: regenerate
26055 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26057 * dwarf2out.c (add_incomplete_type): New fn.
26058 (gen_struct_or_union_type_die): Call it.
26059 (retry_incomplete_types): New fn.
26060 (dwarf2out_finish): Call it.
26062 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26064 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26065 current block starts with a CODE_LABEL and ends with a CALL and
26066 we can not find all the argument setup instructions for the CALL.
26068 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26070 Revert this change:
26071 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26072 something is a candidate for optimize_bit_field_compare.
26074 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26076 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26078 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26080 * alpha.c (override_options): Thinko in last patch.
26082 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26083 (LIB_SPEC): Recognize -pthread.
26085 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26087 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26088 definition in config/arm/coff.h
26089 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26091 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26093 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26094 fixes that need "file=xxx\n" prepended before invocation
26095 (start_fixer - new): starting the fixer process is complex enough
26096 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26097 (process): uses the new routine; omit usage of putenv()
26098 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26099 * fixinc/fixincl.x: regenerate
26101 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26103 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26104 and version #s (1.1 -> 2.96) as needed.
26105 * README.g77: Kill way out of date file in the toplevel directory.
26107 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26109 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26110 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26111 * configure: Rebuilt.
26112 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26113 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26114 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26115 (SWITCH_TAKES_ARG): Likewise.
26116 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26117 * config/t-freebsd: Moved from config/i386/ so it can used for all
26120 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26122 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26124 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26126 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26127 * configure: Rebuilt.
26129 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26131 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26132 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26133 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26134 (rs6000_output_load_toc_table): Same.
26135 (output_prolog, output_mi_thunk): Same.
26136 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26137 (ASM_GLOBALIZE_LABEL): Use putc.
26139 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26141 * alpha.md (reload_*_help): New patterns and splitters.
26142 (reload_*): Use them.
26143 (mov[qh]i): Likewise.
26145 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26147 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26150 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26152 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26154 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26156 * flow.c (mark_regs_live_at_end, insn_dead_p,
26157 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26158 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26159 hasn't run or the frame pointer is needed.
26160 * haifa-sched.c (attach_deaths): Likewise.
26161 * sched.c (attach_deaths): Likewise.
26163 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26165 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26166 calculate_can_reach_end returns nonzero.
26168 * configure.in (native gas tests): Search for an assembler in the
26169 same manner that the installed compiler will.
26170 * configure: Rebuilt.
26171 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26173 * alias.c (find_base_term): Improve handling of addresses
26174 constructed from binary operations.
26176 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26178 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26180 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26182 * function.h (cleanup_label, frame_offset): Declare.
26183 (tail_recursion_label, tail_recursion_reentry): Likewise.
26184 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26185 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26186 (tail_recursion_label, tail_recursion_reentry): Likewise.
26187 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26189 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26191 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26193 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26194 (MAX_OFILE_ALIGNMENT): Define.
26196 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26198 * fixincl.c: Replace local include scheme with #includes of
26199 gansidecl.h and system.h.
26200 * procopen.c: Likewise.
26201 * server.c: Likewise.
26203 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26205 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26206 (crti.o): Add build rule and dependencies.
26207 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26209 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26211 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26212 (LIB_LINUX_SPEC): Likewise.
26213 (LIB_LINUX_SPEC): Add support for -pthread
26214 (CPP_OS_LINUX_SPEC): Likewise.
26215 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26218 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26220 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26222 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26223 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26224 for IEEE math and CC_FCOMI.
26225 (put_jump_code): No IEEE if CC_FCOMI is set.
26227 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26229 * fold-const.c (fold_truthop): Make the field reference unsigned
26230 when converting a single bit compare.
26232 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26234 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26236 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26238 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26239 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26242 * reload.c (push_reload): Do not call remove_address_replacements
26243 when presented with identical optional reloads.
26245 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26247 * alpha.h (MASK_FIX, TARGET_FIX): New.
26248 (MASK_*): Reorganize constants.
26249 (CPP_AM_FIX_SPEC): New.
26250 (TARGET_SWITCHES): Add FIX.
26251 (EXTRA_SPECS): Likewise.
26252 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26253 (SECONDARY_MEMORY_NEEDED): Likewise.
26254 (REGISTER_MOVE_COST): Likewise.
26255 * alpha.c (override_options): Add FIX support. Always use
26256 ALPHA_TP_PROG for ev6.
26257 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26258 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26259 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26261 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26263 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26264 something is a candidate for optimize_bit_field_compare.
26266 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26268 * gcc.texi (Passes): Document branch-shortening.
26269 * invoke.texi (Debugging Options): Document the fact that `-dp'
26270 outputs length information for instructions.
26272 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26274 * flow.c: Revert previous delta.
26276 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26278 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26279 FRAME_POINTER_REGNUM.
26280 (mark_set_1): Ditto.
26281 (mark_used_regs): Ditto.
26283 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26285 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26286 (GOT_PCREL): New macro. Define to 1 if not already defined.
26287 * arm/elf.h (GOT_PCREL): Define to 0.
26288 * arm.c (arm_finalize_pic): Take into account the setting of
26291 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26293 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26294 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26296 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26297 store elimination candidates.
26299 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26301 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26304 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26306 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26307 Add use of x-aix41-gld.
26309 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26311 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26312 (ASM_OUTPUT_DESTRUCTOR): Define.
26314 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26316 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26317 last CODE_LABEL in a loop if we have previously passed a jump
26318 to the top of the loop.
26320 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26322 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26323 applying Philip's patch.
26325 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26327 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26330 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26332 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26334 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26336 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26337 Also remove a useless comment.
26339 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26341 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26343 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26345 * collect2.c (main): Only generate import or export file and add
26346 to link arguments if non-empty. Use xmalloc not alloca.
26347 (write_{export,import}_file): Delete.
26348 (write_aix_file): New function.
26349 (locatelib): Use xmalloc not malloc.
26350 (GCC_OK_SYMBOL): Do not check type if aix64.
26352 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26354 Based on patch by Scott Bambrough and Pat Beirne:
26355 * config/arm/arm.c (making_const_table): New variable.
26356 * config/arm/arm.h (making_const_table): Declare.
26357 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26359 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26360 Keep track of when we are building the constant table.
26362 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26364 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26367 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26369 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26372 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26374 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26377 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26379 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26381 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26383 * rs6000.c (output_mi_thunk): Enable full support again.
26385 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26387 * sh.h (BRANCH_COST): Define.
26389 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26391 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26393 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26395 * function.c (assign_stack_local): Align stack slot propertly.
26396 (assign_outer_stack_local): Likewise.
26398 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26400 * expr.h (lang_expand_constant): Declare.
26401 * toplev.c (lang_expand_constant): Define it.
26402 * varasm.c (output_constant): Use it.
26404 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26406 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26407 Change function definitions to K&R style.
26409 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26411 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26413 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26415 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26416 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26417 (several places): omit static initialization
26418 (process): use single fd, since only the read fd is used
26419 * fixinc/gnu-regex.c: define 'const' away, if not supported
26420 * fixinc/procopen.c(several places): omit static initialization
26421 * fixinc/server.c: define 'volitile' away, if not supported
26423 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26425 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26426 asm_fprintf and %L to generate the label name.
26427 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26428 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26430 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26432 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26433 insn for a conditional jump can not be found.
26435 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26437 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26438 on variables in specific sections other than .sbss and .sdata.
26440 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26442 * stmt.c (expand_return): Call start_cleanup_deferral and
26443 end_cleanup_deferral around conditional code.
26445 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26447 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26448 filename lists. Utilizes new "krstr" AutoGen function.
26449 * fixinc/fixincl.x: Rebuilt.
26451 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26453 * i386.c (output_float_compare): Avoid GNU-C extensions.
26455 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26457 * version.c: Bump to distinguish mainline tree from the
26460 See ChangeLog.1 for earlier changes.